CN111711029B

CN111711029B - Electronic device with a connection structure for dual-sided electrical connection

Info

Publication number: CN111711029B
Application number: CN202010575968.2A
Authority: CN
Inventors: 蔡周贤
Original assignee: Jie Li Intellectual Property Co ltd
Current assignee: Heyang Zhicai Co.,Ltd.
Priority date: 2011-04-01
Filing date: 2011-08-30
Publication date: 2022-12-30
Anticipated expiration: 2031-08-30
Also published as: CN107482338A; CN111682340A; CN113889786A; CN102738620A; CN111711029A; CN107482337A; CN107482336B; CN107482338B; CN107482336A; CN107482337B; CN202405449U; CN102738620B

Abstract

The present invention provides an electronic device with a dual-sided electrical connection structure adapter having a locking structure, which comprises: a switching circuit; at least a first double-sided electrical connection structure, which is provided with a butt-joint structure, the butt-joint structure is provided with an insulator, the insulator is provided with a connection part, the connection part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connection interface, the butt-joint structure can butt-joint and position a butt-joint electrical connector in the shape of a front surface and a back surface, and the two connection interfaces are electrically connected with the adapter circuit; and a locking structure, which is a locking concave part or a spring piece made of metal material, and the locking structure is arranged at the left and right sides of the connecting part; and at least one second electrical connection structure having a connection structure, the connection structure having an insulator, the insulator having a connection portion, the connection portion having a board, the board having a connection interface, the connection interface being electrically connected to the adapter circuit and to two connection interfaces of the at least one first dual-sided electrical connection structure.

Description

Electronic device with a connection structure for dual-sided electrical connection

The application is a divisional application of an invention patent application with the application date of 2011, 08 and 30 months, and the application number of 201710542880.9, and the invention name of the invention is 'electronic device for double-sided electric connection switching and double-sided electric connection'.

Technical Field

The present invention relates to an electrical connector, and more particularly to an electronic device with a dual-sided electrical connection structure having a locking structure.

Background

The most popular signal transmission specification of the present computer equipment is the Universal Serial Bus (USB), and the connector socket and transmission line manufactured by the specification can make the peripheral equipment such as mouse, keyboard, and portable disk, which is externally connected to the computer, be measured by the computer in real time and used immediately.

At present, the USB female socket and the USB connector are all in one-way electric connection, in order to ensure that the USB connector can be electrically connected when being inserted into the USB female socket, the USB female socket and the USB connector are in butt joint, the USB female socket and the USB connector have foolproof design, namely, the USB connector cannot be inserted when being reversely inserted, a user can replace the USB connector to insert in another direction, the USB connector can be inserted in the correct direction, and thus, the USB female socket and the USB connector can be electrically connected after being inserted.

Referring to fig. 1 and 2, a disc body 1 with a plate-type connector and a USB specification of 2.0 is provided, which includes a plastic base 10 and a circuit board 15, wherein a rear portion of the circuit board 15 is covered by the plastic base 10, only one surface of a front portion of the circuit board 15 is exposed out of the plastic base 10, and the surface of the circuit board 15 is provided with a row of four contacts 16.

Referring to fig. 3, there is provided a conventional USB2.0 standard female connector 20, which includes a metal shell 25 and a tongue 22, wherein a connecting slot 21 is formed in the metal shell 25, the tongue 22 is located at an upper position of the connecting slot, a row of 4 contacts 23 is disposed below the tongue, and two elastic pieces 24 are stamped and protruded from the top and bottom of the metal shell 25.

Referring to fig. 4, in use, the flash drive 1 needs to insert the connection point 16 upward into the connection slot 21 to electrically connect with a row of connection points 23 under the tongue piece 22, and the four elastic pieces 24 tightly contact the flash drive 1; if the disc body 1 is inserted into the connecting slot 21 on the reverse side, it cannot be electrically connected, and the user usually inserts randomly, so the probability of inserting is 1/2, and it is often inserted twice, which causes inconvenience in use.

In order to facilitate the use, the applicant has to use both front and back sides for electrical connection, so as to meet the requirement, so the applicant has developed an electronic device with a front and back double-sided connector having double-sided electrical connection function, in order to match the double-sided electrical connection function, the connector must be designed with two rows of contacts, however, in use, the spring sheet 24 of the electrical connection female socket is connected to the contact of the other board surface to cause short circuit, so it is necessary to overcome the problem.

The applicant of the present invention is interested in studying the double-sided insertion design of the above products, and finally proposes an improved structure of the product that overcomes the above potential problems.

Disclosure of Invention

The main object of the present invention is to provide an electronic device with a dual-sided electrical connection structure adapter having a locking structure, which is convenient for use by the dual-sided electrical connection adapter and has a good locking structure to stably lock the mating electrical connector.

To achieve the above object, the present invention provides an electronic device with a dual-sided electrical connection structure having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt joint structure, the butt joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface with different structures, the rear section plate surface of any one of the upper plate surface and the lower plate surface protrudes a height than the front section plate surface, the upper plate surface and the lower plate surface respectively comprise a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts with different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt joint structure, at least one pair of same circuits and the contacts aligned up and down are electrically connected to form a same circuit, the connecting part of the butt joint structure is shaped to butt joint a butt joint part of a pair of electric connectors on the front and back sides, the butt joint part of the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are electrically connected with the electronic contacts of the connecting part of the connecting unit, and the two connecting interface is electrically connected to connect the electronic circuit board; and a locking structure, which is a locking concave part or a spring piece made of metal, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be locked with one locking structure of the butt joint electric connector, so as to prevent the butt joint electric connector from being separated from the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal and is fixedly arranged at the left and right sides of the connecting plate, and the locking concave part is provided with a concave bottom surface and a locking surface made of metal; and

at least one second electrical connection structure having a connection structure, the connection structure having an insulator, the insulator having a connection portion, the connection portion having a board, the board having a connection interface, the connection interface having at least one row of contacts, the at least one row of contacts being formed on at least one row of terminals, the at least one row of terminals being positioned on the insulator of the connection structure, the connection interface being electrically connected to the adapter circuit and electrically connected to two connection interfaces of the at least one first double-sided electrical connection structure.

The present invention further provides an electronic device with a dual-sided electrical connection structure, which comprises:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; and a butt joint structure, the butt joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface respectively comprise a connecting interface, the two connecting interfaces are respectively provided with at least one row of 5 contacts which are not lower than the upper plate surface and the lower plate surface, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt joint structure, at least one pair of same circuits and contacts aligned up and down are mutually and electrically connected to form a same circuit, the shape of the connecting part of the butt joint structure can be used for positioning a butt joint part of a pair of electric connectors in a forward and reverse bidirectional butt joint mode, the butt joint part is provided with the upper plate surface and the lower plate surface, the two connecting interfaces of the butt joint part are respectively electrically connected with the two connecting interfaces of the connecting part, the at least two rows of terminals are respectively abutted or welded to a plurality of electric contacts of the circuit board to be electrically connected with the electronic unit, and the two connecting interface of the connecting part is electrically connected with the electric circuit; a locking structure, which is a locking concave part or a spring piece made of metal, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be locked with one locking structure of the butt joint part, so as to prevent the butt joint electric connector from being separated from the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal and is fixed at the left and right sides of the connecting plate, the locking concave part is provided with a concave bottom surface and a locking surface made of metal; and a metal spacer positioned between the insulators, the metal spacer separating the at least two rows of terminals or the two connection interfaces and thereby enhancing the strength of the insulators; and

a switching circuit;

at least one first double-sided electrical connection structure provided with; a circuit board, which is provided with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt-joint structure, which is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of a plurality of contacts which are not lower than the upper plate surface and the lower plate surface, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are flat-contact contacts and only are flat-contact with the two front section plate surfaces, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the at least two rows of terminals are respectively abutted against or welded on a plurality of conductive contacts of the circuit board so as to be electrically connected with the electronic unit, the two connecting interfaces of the connecting plate are electrically connected into the same circuit, the connecting groove of the connecting plate is shaped to be capable of bidirectional butt-joint positioning one connecting groove of a connecting connector in a positive and negative direction, the connecting groove is provided with an insulated top surface and a bottom surface, the connecting groove is provided with one of the connecting plate, the connecting interface, the connecting plate, and the connecting plate; a sealing compound body, which is arranged on the connecting plate of the butt joint structure, and the sealing compound body is embedded into the connecting plate and combined with the at least two rows of terminals in a sealing compound way to form the connecting plate; a reinforcement structure, which is provided with a butt metal shell, the butt metal shell is sleeved and covered on the upper and lower surfaces and the left and right sides of the periphery of the rear section of the connecting plate to form an annular covering and abutting connection, and the height of the butt metal shell is higher than the height of the at least two rows of contacts; and a locking structure, which is a locking concave part made of metal material, the locking structure is fixed on the left and right sides of the connection board, the locking concave part is provided with a concave bottom surface and a locking surface made of metal material, when the butt joint structure and the butt joint electric connector are mutually butted, the locking surface of the locking structure can be mutually locked with the locking structure of the butt joint electric connector, and the butt joint electric connector is prevented from being separated from the butt joint direction; and

at least one second electrical connection structure having a connection structure, the connection structure having an insulator, the insulator having a connection portion, the connection portion having a board surface, the board surface having a connection interface, the connection interface having at least one row of contacts, the at least one row of contacts being formed on at least one row of terminals, the at least one row of terminals being positioned on the insulator of the connection structure, the connection interface being electrically connected to the adapting circuit and electrically connected to two connection interfaces of the at least one first dual electrical connection structure.

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt-joint structure, which is provided with an insulator, the insulator is provided with a connection part, the connection part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connection interface, the two connection interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the two connection interfaces are electrically connected to form a same circuit, the shape of the connection part of the butt-joint structure can be butt-jointed and positioned on a butt-joint part of a butt-joint electric connector in a positive and negative double-side manner, the butt-joint part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connection interface, the two connection interfaces of the butt-joint part are electrically connected with the two connection interfaces of the connection part, the at least two rows of terminals are respectively abutted against or welded with a plurality of electric contacts of the circuit board so as to electrically connect with the electronic unit, the circuit board is electrically connected with the two connection interfaces of the connection part; a detection structure, which is provided with at least one detection terminal, wherein the at least one detection terminal is at least one terminal of the two connection interfaces of the connection portion, the at least one detection terminal is electrically connected to the circuit board, and the detection function is completed by the electrical conduction of the at least one detection terminal, so that the control circuit can selectively adopt the forward and reverse corresponding circuit transmission, or the control circuit can make the proper circuit safety protection, or the control circuit can make the switching of different corresponding circuits; and a locking structure, which is a locking concave part or a spring piece made of metal, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be locked with one locking structure of the butt joint part, so as to prevent the butt joint electric connector from being separated from the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal and is fixedly arranged at the left and right sides of the connecting plate, and the locking concave part is provided with a concave bottom surface and a locking surface made of metal; and

a switching circuit;

at least one first double-sided electrical connection structure, which is provided with a circuit board, wherein the circuit board is provided with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt joint structure, the butt joint structure having an insulator, the insulator having a connection portion, the connection portion being a connection board, the connection board having an upper board surface and a lower board surface, the upper board surface and the lower board surface each including a connection interface, the two connection interfaces each having two rows of contacts, each of the two rows of contacts of the two connection interfaces being a row of first contacts and a row of second contacts, the row of second contacts being arranged between the row of first contacts, the row of first contacts being flatly attached to the upper board surface and the lower board surface and extending to the front of the row of second contacts, the upper board surface and the lower board surface each having at least one row of concave surfaces, the row of first contacts being flatly attached to the row of concave surfaces of the upper board surface and the lower board surface, the four rows of contacts being formed on four rows of terminals, the four rows of terminals being positioned on the insulator of the butt joint structure, at least one pair of contacts of the same circuit being electrically connected to form the same circuit in the two connection interfaces, the connection board being shaped to be positioned on a connection groove of a positive-negative electrical connector, the top surface and a bottom surface being provided with an insulation layer, the connection interface and a connection board being electrically connected to the two electrical contacts, the two electrical connectors, the connection interface being electrically connected to connect to a plurality of the circuit board, the two electrical connector, the connection interface, the connection unit being connected to connect the connection interface, the connection unit, the connection interface, and the connection unit; and a metal partition plate positioned in the middle of the connection plate, the metal partition plate separating the two connection interfaces and thereby enhancing the strength of the connection plate; and a locking structure, which is a locking concave part made of metal material, the locking structure is fixed on the left and right sides of the connection board, the locking concave part is provided with a concave bottom surface and a locking surface made of metal material, when the butt joint structure and the butt joint electric connector are mutually butted, the locking surface of the locking structure can be mutually locked with the locking structure of the butt joint electric connector, and the butt joint electric connector is prevented from being separated from the butt joint direction; and

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt-joint structure, which is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the insulating system of the butt-joint structure is provided with an upper insulating base body and a lower insulating base body, the at least two rows of terminals are respectively embedded in a plastic injection molding and positioned on the upper insulating base body and the lower insulating base body, the two connecting interfaces of the connecting part are electrically connected with at least one pair of contacts of the same circuit to form a same circuit, the at least two rows of terminals are respectively abutted against or welded on a plurality of conductive contacts of the circuit board to be electrically connected with the electronic unit, the connecting part of the butt-joint structure is shaped to be positioned on a butt-joint part of a butt-joint connector with the front and back surfaces and the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interface of the connecting part; and a locking structure, which is a locking concave part or a spring piece made of metal, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be locked with one locking structure of the butt joint part, so as to prevent the butt joint electric connector from being separated from the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal and is fixedly arranged at the left and right sides of the connecting plate, and the locking concave part is provided with a concave bottom surface and a locking surface made of metal; and

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt-joint structure, the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of connecting points, the at least two rows of connecting points are respectively provided with at least two connecting points of different circuits, the at least two rows of connecting points are formed on at least two rows of terminals, the at least two rows of terminals are provided with at least one row of pins, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the two connecting interfaces of the connecting part are electrically connected with at least one pair of connecting points of the same circuit to form the same circuit, the shape of the connecting part of the butt-joint structure can be butt-jointed and positioned on one butt-joint part of a butt-joint electric connector in a positive and negative double-sides, the butt-joint part is provided with an upper plate surface and a connecting interface, and the two connecting interfaces of the butt-joint part are electrically connected with the two connecting interfaces of the connecting part; a sleeving groove, which is arranged at the rear section of the insulator, wherein the front section of the circuit board is sleeved and clamped in the sleeving groove, the sleeving groove covers and abuts against the left side surface, the right side surface, the upper surface and the lower surface of the front section of the circuit board, the at least one row of pins respectively abuts against or is welded on a plurality of electric conduction points of the circuit board so as to be electrically connected with the electronic unit, and the circuit board is electrically connected with the two connection interfaces of the connecting part and the switching circuit; and a locking structure, which is a locking concave part or a spring piece made of metal, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be locked with one locking structure of the butt joint part, so as to prevent the butt joint electric connector from being separated from the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal and is fixedly arranged at the left and right sides of the connecting plate, and the locking concave part is provided with a concave bottom surface and a locking surface made of metal; and

a switching circuit;

at least one first double-sided electrical connection structure, which is provided with a circuit board, wherein the circuit board is provided with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; and a butt joint structure, the butt joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are flat-pasted contacts only on the two front section plate surfaces of the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt joint structure, the two connecting interfaces of the connecting plate are electrically connected to form a same circuit, the connecting plate of the butt joint structure can be positioned on a connecting groove of a butt joint electric connector in a positive and negative double sides in a shape, the connecting groove is provided with an insulated top surface and a bottom surface, the top surface and the bottom surface are respectively provided with a connecting interface, the two connecting interfaces of the connecting plate are electrically connected to the connecting plate, the two connecting interface of the connecting plate, the two connecting interface of the connecting plate is electrically connected to connect with the two connecting plate, the two connecting plate; a metal partition plate positioned in the middle of the connection plate, the metal partition plate separating the two connection interfaces and enhancing the strength of the connection plate; and a locking structure, which is a locking concave part made of metal material, the locking structure is fixed on the left and right sides of the connection board, the locking concave part is provided with a concave bottom surface made of metal material and a locking surface, when the butt joint structure and the butt joint electric connector are mutually butted, the locking surface of the locking structure can be mutually locked with the locking structure of the butt joint electric connector, and the butt joint electric connector is prevented from being separated from the butt joint direction; and

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt-joint structure, the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, at least one pair of the same circuits in the two connecting interfaces of the connecting part and the contacts aligned up and down are electrically connected to form the same circuit, the shape of the connecting part of the butt-joint structure can be butt-jointed and positioned in a positive and negative direction to a butt-joint part of a butt-joint electric connector, the butt-joint part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces of the butt-joint part are electrically connected with the two connecting interfaces of the connecting part, the at least two rows of the terminals are respectively abutted or welded to a plurality of electric contacts of the circuit board to be electrically connected with the electronic unit; a metal spacer positioned between the insulators, the metal spacer separating the two rows of terminals or the two connecting interfaces and thereby enhancing the strength of the insulators; and a locking structure, which is a locking concave part or a spring piece made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butted with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated in the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate, and the locking concave part is provided with a concave bottom surface and a locking surface made of metal material; and

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt joint structure, the butt joint structure having an insulator, the insulator having a connection portion, the connection portion being a connection board, the connection board having an upper board surface and a lower board surface, the upper board surface and the lower board surface each having a front board surface and a rear board surface, the upper board surface and the lower board surface each having a connection interface, the two connection interfaces each having at least one row of contacts, the two rows of contacts each having at least two different circuit contacts, the two rows of contacts being flat-contact contacts only flatly attached to the two front board surfaces of the upper board surface and the lower board surface of the connection board, the two rows of contacts being formed on at least two rows of terminals, the insulation body of the butt joint structure having an upper insulation seat and a lower insulation seat embedded in plastic injection molding and positioned on the upper insulation seat and the lower insulation seat body of the butt joint structure, the two connection interfaces of the connection board having at least one pair of the same circuit electrically connected to form a same circuit, the connection board having a shape capable of bidirectionally positioning one of the pair of electrical connectors, the connection grooves having a top surface and a bottom surface and a connection interface welded to the two connection interfaces, the two connection terminals electrically connected to the electronic interface unit, the connection board, the two rows of the connection interface being electrically connected to connect the two electrical contacts, the connection board, the two connection interface, the two connection unit being connected to connect to the two rows of the connection board; a reinforcing structure, which is at least provided with two metal plates to cover and abut against the left and right sides of the connecting plate, so as to enhance the strength of the connecting plate; and a locking structure, which is a locking concave part made of metal, the locking structure is integrally arranged on the two metal plate bodies, the locking concave part is provided with a concave bottom surface and a locking surface made of metal, when the butting structure and the butting electric connector are butted, the locking surface of the locking structure can be mutually locked with one locking structure of the butting electric connector, so as to prevent the butting electric connector from being separated from the butting direction; and

a switching circuit;

at least one first double-sided electrical connection structure, which is provided with a circuit board, wherein the circuit board is provided with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt-joint structure, wherein the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface which are insulated, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the rear section plate surface of any one of the upper plate surface and the lower plate surface protrudes out of the front section plate surface by a height which is a first difference with the front section plate surface, the upper plate surface and the lower plate surface respectively comprise a connecting interface, the two connecting interfaces are respectively provided with at least one row of contact points, the at least one row of contact points are provided with at least two contact points of different circuits, the at least two rows of contact points are flat contact points which are only flat contacted with the two front section plate surfaces of the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contact points are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt joint structure, at least one pair of contacts of the same circuit in the two connecting interfaces of the connecting board are electrically connected to form the same circuit, the shape of the connecting board of the butt joint structure can be butt-jointed and positioned on the front and back sides of a connecting groove of a butt joint electric connector, the connecting groove is provided with an insulated top surface and a bottom surface, the top surface and the bottom surface are respectively provided with a connecting interface, the two connecting interfaces of the connecting groove are electrically connected with the two connecting interfaces of the connecting board, the at least two rows of terminals are respectively abutted against or welded on a plurality of electric contacts of the circuit board so as to be electrically connected with the electronic unit, and the two connecting interfaces of the connecting board are electrically connected with the adapting circuit; a locking structure, which is a locking concave part made of metal material, the locking structure is fixed on the left and right sides of the connecting plate, the locking concave part is provided with a concave bottom surface and a locking surface made of metal material, when the butt joint structure and the butt joint electric connector are mutually butted, the locking surface of the locking concave part can be mutually locked with the butt joint electric connector, and the butt joint electric connector is prevented from being separated from the butt joint direction; and

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; an electronic unit, including a control circuit, electrically connected to the circuit board and electrically connected to the plurality of conductive contacts; a butt joint structure, the butt joint structure having an insulator, the insulator having a connection portion, the connection portion having an upper plate and a lower plate, the upper plate and the lower plate each having a front plate and a rear plate, the upper plate and the lower plate each having a connection interface, the two connection interfaces each having at least one row of contacts, the two rows of contacts each having at least two different circuit contacts, the two rows of contacts being formed on at least two rows of terminals, the two rows of terminals being positioned on the insulator of the butt joint structure, the two connection interfaces wherein at least one pair of contacts of the same circuit are electrically connected to the connection portion to form the same circuit, the connection portion of the butt joint structure having a shape capable of being butt-jointed to position a butt joint portion of a butt joint connector in both directions, the butt joint portion having an upper plate and a lower plate, the upper plate and the lower plate each having a connection interface, the two connection interfaces of the butt joint portion being electrically connected to the two connection interfaces of the connection portion, the two rows of terminals being respectively abutted or soldered to multiple conductors of the circuit board to electrically connect to the electronic unit, the two connection interfaces of the connection portion electrically connected to the circuit; and a locking structure, which is a locking concave part or a spring piece made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butted with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated in the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate, and the locking concave part is provided with a concave bottom surface and a locking surface made of metal material; and

The convenience of use is achieved by the connection of the double-sided electrical connection, and a good clamping structure is provided to stably clamp the butt-joint electrical connector.

The above and other objects, advantages and features of the present invention will become more apparent from the detailed description of the preferred embodiments when taken in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a perspective view of a conventional personal disk.

Fig. 2 is a front sectional view of a conventional personal drive.

Fig. 3 is a front view of a conventional female electrical connector.

Fig. 4 is a front view of a conventional flash drive inserted into an electrical connection female socket.

Fig. 5 is an exploded perspective view of the first embodiment of the present invention.

Fig. 6 is a perspective combination view of the first embodiment of the present invention.

Fig. 7 is a front sectional view of the first embodiment of the present invention.

Fig. 8 is a schematic diagram of a series connection of two rows of first contacts according to the first embodiment of the present invention.

Fig. 9 is a state diagram of the use of the first embodiment of the present invention.

Fig. 10 is a perspective combination view of the second embodiment of the present invention.

Fig. 11 is a front sectional view of a second embodiment of the present invention.

Fig. 12 is a perspective combination view of a third embodiment of the present invention.

Fig. 13 is a schematic diagram of a series connection of two rows of first contacts according to a third embodiment of the present invention.

Fig. 14 is a side sectional view of a fourth embodiment of the present invention.

Fig. 15 is a front view of a fourth embodiment of the present invention.

Fig. 16 is a perspective combination view of the fifth embodiment of the present invention.

Fig. 17 is an exploded perspective view of a sixth embodiment of the present invention.

Fig. 18 is a perspective combination view of the sixth embodiment of the present invention.

Fig. 19 is a perspective combination view of the seventh embodiment of the present invention.

Fig. 20 is a front perspective combination view of the eighth embodiment of the present invention.

Fig. 21 is a perspective assembly view of the reverse of the eighth embodiment of the present invention.

Fig. 22 is a side sectional view of a ninth embodiment of the invention.

Fig. 23 is a side sectional view of a tenth embodiment of the invention.

Fig. 24 is a side sectional view of an eleventh embodiment of the invention.

Fig. 25 is a perspective combination view of the twelfth embodiment of the present invention.

Fig. 26 is a front sectional view of a twelfth embodiment of the invention.

Fig. 27 is a side sectional view of a twelfth embodiment of the invention.

Fig. 28 is a schematic diagram of a change-over switch device and a control circuit according to a twelfth embodiment of the invention.

Fig. 29 is a schematic diagram of a change-over switch device and a control circuit according to a twelfth embodiment of the invention.

Fig. 30 is a schematic diagram of a change-over switch device and a control circuit according to a twelfth embodiment of the invention.

Fig. 31 is a schematic diagram of a change-over switch device and a control circuit according to a thirteenth embodiment of the invention.

Fig. 32 is a schematic diagram of a change-over switch device and a control circuit according to a fourteenth embodiment of the invention.

Fig. 33 is a front plan view of a fifteenth embodiment of the present invention.

Fig. 34 is a reverse plan view of a fifteenth embodiment of the invention.

Fig. 35 is a front sectional view of a sixteenth embodiment of the invention.

Fig. 36 is a front plan view of a seventeenth embodiment of the invention.

Fig. 37 is a reverse plan view of a seventeenth embodiment of the invention.

Fig. 38 is a top view of an eighteenth embodiment of the invention.

Fig. 39 is a side sectional view of an eighteenth embodiment of the invention.

Fig. 39A is a front sectional view of an eighteenth embodiment of the invention.

Fig. 40 is a perspective combination view of a nineteenth embodiment of the invention.

Fig. 41 is a side sectional view of a nineteenth embodiment of the invention.

Fig. 42 is a side sectional view of a twentieth embodiment of the invention.

Fig. 43 is a side sectional view of a twenty-first embodiment of the invention.

Fig. 44 is a front sectional view of a twenty-first embodiment of the invention.

Fig. 45 is a side sectional view of a twenty-second embodiment of the invention.

Fig. 46 is a front view of a twenty-second embodiment of the invention.

Fig. 47 is a side sectional view of a twenty-third embodiment of the invention.

Fig. 48 is a perspective view of a connecting plate of a twenty-third embodiment of the invention.

Fig. 49 is a perspective combination view of a twenty-fourth embodiment of the invention.

Fig. 50 is a perspective combination view of a twenty-fifth embodiment of the invention.

Fig. 51 is a perspective combination view of a twenty-sixth embodiment of the invention.

Fig. 52 is a side sectional view of a twenty-seventh embodiment of the invention.

Fig. 53 is a side sectional view of a twenty-eighth embodiment of the invention.

Fig. 54 is a side cross-sectional view of a twenty-ninth embodiment of the invention.

Fig. 55 is a side sectional view of the thirtieth embodiment of the present invention.

Fig. 56 is a perspective combination view of the thirty-first embodiment of the invention.

Fig. 57 is a front sectional view of a thirty-first embodiment of the invention.

Fig. 58 is a perspective combination view of a thirty-second embodiment of the invention.

Fig. 59 is a perspective combination view of a thirty-third embodiment of the invention.

Fig. 60 is a top view of a thirty-fourth embodiment of the invention.

Fig. 61 is a side sectional view of a thirty-fourth embodiment of the invention.

Fig. 62 is a front sectional view of a thirty-fourth embodiment of the invention.

Fig. 63 is a perspective view of a thirty-fourth embodiment of the present invention.

Fig. 63A is another perspective view of a thirty-fourth embodiment of the present invention.

Fig. 64 is a perspective view of a thirty-fifth embodiment of the invention.

Fig. 65 is a side sectional view of a thirty-sixth embodiment of the invention.

Fig. 66 is a side sectional view of a thirty-seventh embodiment of the invention.

Fig. 67 is a side sectional view of a thirty-eighth embodiment of the invention.

Fig. 68 is a front sectional view of a thirty-eighth embodiment of the invention.

Fig. 69 is a top view of a thirty-ninth embodiment of the invention.

Fig. 70 is a side sectional view of a thirty-ninth embodiment of the invention.

Fig. 71 is a front sectional view of a thirty-ninth embodiment of the invention.

Fig. 72 is a top view of a fortieth embodiment of the present invention.

Fig. 73 is a side sectional view of a fortieth embodiment of the present invention.

Fig. 74 is a front sectional view of a fortieth embodiment of the present invention.

Fig. 75 is a top view of a forty-first embodiment of the invention.

Fig. 76 is a side sectional view of a forty-first embodiment of the invention.

Fig. 77 is a front view of a forty-first embodiment of the invention.

Fig. 78 is a side sectional view of a forty-second embodiment of the present invention.

Fig. 79 is a side sectional view of a forty-third embodiment of the invention.

Fig. 80 is a side sectional view of a forty-fourth embodiment of the present invention.

Fig. 81 is a top view of a forty-fifth embodiment of the present invention.

Fig. 82 is a side sectional view of a forty-fifth embodiment of the present invention.

Fig. 83 is a front sectional view of a forty-fifth embodiment of the present invention.

Fig. 84 is a perspective view of a forty-sixth embodiment of the present invention (with the outer cover removed).

Fig. 85 is a perspective view of a forty-sixth embodiment of the present invention.

Fig. 86 is a side sectional view of a forty-seventh embodiment of the present invention.

Fig. 87 is a perspective view of a forty-eighth embodiment of the present invention.

Fig. 88 is a side sectional view of a forty-eighth embodiment of the present invention.

Fig. 89 is a side sectional view of a forty-ninth embodiment of the present invention.

Fig. 90 is a rear sectional view of a forty-ninth embodiment of the invention.

Fig. 91 is a rear view of a fifty-fifth embodiment of the invention.

Fig. 92 is a rear view of a fifty-first embodiment of the invention.

Fig. 93 is a rear view of a fifty-second embodiment of the invention.

FIG. 94 is a side sectional view of a fifty-third embodiment of the invention.

Fig. 95 is a rear view of a fifty-third embodiment of the invention.

FIG. 96 is a side sectional view of a fifty-fourth embodiment of the invention.

Fig. 97 is a rear view of a fifty-fourth embodiment of the invention.

Fig. 98 is a side sectional view of a fifteenth embodiment of the present invention.

Fig. 99 is a rear view of the fifteenth embodiment of the invention.

Fig. 100 is a rear view of a fifty-sixth embodiment of the invention.

Fig. 101 is a rear view of a fifty-seventh embodiment of the invention.

Fig. 102 is a rear view of a fifty-eighth embodiment of the invention.

Fig. 103 is a rear view of a fifty-ninth embodiment of the invention.

Fig. 104 is a side sectional view of a sixteenth embodiment of the invention.

Fig. 105 is a front cross-sectional view of a sixteenth embodiment of the invention.

Fig. 106 is a perspective combination view of a sixty-sixth embodiment of the present invention.

Fig. 107 is a bottom perspective view of a sixteenth embodiment of the invention.

Fig. 108 is a perspective combination view of a sixty-first embodiment of the invention.

Fig. 109 is a perspective combination view of a sixty-second embodiment of the invention.

Fig. 110 is an exploded perspective view of a sixty-third embodiment of the invention.

Fig. 111 is a front exploded perspective view of a sixty-fourth embodiment of the present invention.

Fig. 112 is a reverse exploded perspective view of a sixty-fourth embodiment of the invention.

FIG. 113 is an exploded perspective view of a sixty-fourth embodiment of the present invention shown in front of a package.

FIG. 114 is a front perspective assembly view of a sixty-fourth embodiment of the present invention after being encapsulated.

FIG. 115 is an exploded front view of a sixteenth embodiment of the present invention after being molded.

FIG. 116 is a front perspective assembly view of a sixteenth embodiment of the present invention after being encapsulated.

Detailed Description

Referring to fig. 5, fig. 6, and fig. 7, a USB2.0 flash drive according to a first embodiment of the present invention is a USB2.0 flash drive, which is electrically connected to an electrical female connector on both sides, and includes an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4, and a limiting structure 50, wherein:

the outer covering body 30 is made of plastic material and has a lower base 31 and an upper cover 32, wherein the lower base 31 has a chamber 33.

The circuit board 40 is placed in the containing chamber 33 of the outer covering body 30, the rear section of the circuit board 40 is covered by the outer covering body 30, the front section of the circuit board 40 is exposed outside the outer covering body 30, that is, the connecting plate 55, so the connecting plate 55 is directly contacted and fixed to the outer covering body 30, two plate surfaces (upper and lower plate surfaces) of the connecting plate 55 are respectively provided with a row of first contacts 41, the two rows of first contacts 41 are circuit contacts formed on the circuit board 40, the two rows of first contacts 41 are 4, and can respectively transmit circuits such as 1.vcc (power), 2.usb D- (signal), 3.usb D + (signal) and 4.gnd (ground), the two rows of first contacts 41 are the same connecting interface and the circuit numbers are arranged in opposite directions, as shown in fig. 7, the circuit numbers of the row of first contacts 41 on the upper plate surface of the connecting plate 55 are a1, a2, a3, a4, the circuit numbers of the row of first contacts 41 on the lower plate surface of the connecting plate 55 are from right to left, and are a1, a2, a4, a2, b, a2 b, b and b. In addition, the connecting board 55 has a front and back symmetrical shape, so that the front and back sides can be butt-jointed and positioned on an electrical connection female socket.

The outer cover 30 and the connecting plate 55 are combined to form a butt structure, and the outer cover 30 and the connecting plate 55 are combined to form a butt structure in the second to sixteenth embodiments, that is, the connecting plate 55 is a part of the butt structure.

Referring to fig. 8, the two rows of first contacts 41 are electrically connected in series with the same circuit number to form a group, i.e. a1 is electrically connected to b1, a2 is electrically connected to b2, a3 is electrically connected to b3, and a4 is electrically connected to b4, wherein a1 and b1 are power contacts, which can never cause short circuit, so a1 and b1 are electrically connected to each other through a schottky diode 46, and the function of the schottky diode 46 is mainly to prevent the reverse current, thereby achieving the effect of preventing short circuit.

The aforementioned schottky diode short-circuit prevention is one of the electronic circuit safety protection methods for preventing reverse current or short circuit, but there are also various methods such as installing an electronic device for preventing reverse current or short circuit, or a circuit safety protection device or a safety circuit installation method, so as to achieve the circuit safety protection effect.

The electronic unit 4 is a storage unit electrically connected to the circuit board 40 and covered by the outer covering body 30, and includes a memory 43 and a control circuit 45, the memory 43 can be but not limited to a flash memory (flash memory) or a Read Only Memory (ROM), the capacity of the memory 43 is not limited, the control circuit 45 controls the operation of the memory 43 of the electronic unit, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

The position-limiting structure 50 and the outer covering body 30 are integrally formed, four front and rear protruding ribs are respectively formed on the two plate surfaces of the connecting plate 55 of the position-limiting structure 50, the position-limiting structure 50 protrudes out of the first contacts 41 of the two plate surfaces of the connecting plate 55 to protect the two rows of first contacts 41 and prevent short circuit, and two through holes 42 are formed on the connecting plate 55 to match with the two protruding ribs in the middle of the position-limiting structure 50.

Referring to fig. 9, with the above structure, when the flash drive 3 of the present embodiment is inserted into an electrical connection female socket 20, since the shape of the connection board is capable of being butt-positioned on both sides of the electrical connection female socket 20, and two board surfaces of the connection board are provided with the same connection interface and two rows of first contacts 41 with circuit numbers arranged in opposite directions, a user can position and electrically connect by inserting any board surface into the connection slot 21 of the electrical connection female socket 20, as shown in the figure, when one row of first contacts a1, a2, a3, a4 is electrically connected with one row of contacts 23 of the electrical connection female socket 20, the elastic sheet 24 of the electrical connection female socket 20 is abutted against the limit structure 50 of the other board surface without touching the first contacts b1, b4 to cause short circuit. Furthermore, since the first contact b1 is electrically connected to the Schottky diode 46, the current will not flow back to the first contact b1, so as to ensure that the power contact, i.e. the first contact b1, will not be short-circuited.

In addition, the present embodiment may further include a control means combined with the USB2.0 USB drive for performing a data storage and control procedure on the storage unit.

The cover 30 of the above embodiment is a plastic housing, the electronic unit 4 is soldered to the circuit Board, the cover 30 covers the circuit Board 40 and the electronic unit 4, however, in order to make the entire flash disk lighter and thinner, the memory and the control circuit of the electronic unit 4 can be packaged On the circuit Board 40 by a Chip On Board (COB) method, so that the electronic unit 4 is also electrically connected to the circuit Board and is covered by a cover, and the COB method still belongs to the scope of the present invention.

Referring to fig. 10 and 11, a second embodiment of the present invention is substantially the same as the first embodiment, and the difference is that the limiting structure 50 of the present embodiment is a metal layer plated on two sides of two plate surfaces of the connecting plate 55 by electroplating.

Referring to fig. 12 and 13, a third embodiment of the present invention is substantially the same as the second embodiment, except that the two plate surfaces of the connection plate 55 of the present embodiment are not provided with any limiting structure, and in order to ensure no short circuit, a row of first contacts a1, a2, a3, a4 and a row of first contacts b1, b2, b3, b4 are electrically connected to a schottky diode 46 respectively, so as to prevent the reverse current and achieve the effect of preventing short circuit.

Referring to fig. 14 and 15, a fourth embodiment of the present invention is substantially the same as the first embodiment, and the fourth embodiment is also provided with an outer covering body 30, a circuit board 40, a connecting board 55, an electronic unit and a position limiting structure 50, and the difference lies in that the connecting board 55 and the outer covering body 30 are integrally formed, and the fourth embodiment is provided with a row of four first terminals 60 and a detecting structure 80, each first terminal 60 is provided with first contacts 62, 63 respectively flatly attached to two board surfaces of the connecting board 55, the detecting structure 80 is fixed on the outer covering body 30 and is provided with two movable terminals 81, 82 and a fixed terminal 83, the two movable terminals 81, 82 are located above and below the fixed terminal 83 and are provided with a protruding point 85 respectively protruding from the upper and lower board surfaces of the connecting board 55, when the front of the portable disc of the present embodiment is inserted into the electrical connection female base, if the row of first contacts 62 is electrically connected to the electrical connection female base, the movable terminal 81 is pressed to complete detection, and the control circuit can know that the row of first contacts 62 is electrically connected to the electrical signal transmission circuit; on the contrary, when the reverse side of the flash disk is inserted into the electrical connection female socket for electrical connection, and the row of first contacts 63 is electrically connected to the electrical connection female socket, the movable terminal 82 is pressed to be conducted with the fixed terminal 83 to complete detection, so that the control circuit can know that the row of first contacts 63 is electrically connected to perform signal transmission with the reverse circuit.

Please refer to fig. 16, which is a fifth embodiment of the present invention, which is a USB 3.0-sized flash drive, and is substantially the same as the first embodiment, the present embodiment is also provided with an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit and a position-limiting structure 50, and the difference is that the present embodiment is additionally provided with two rows of five second terminals 70, the second terminals 70 are provided with a flexible extending portion 71, one end of the extending portion 71 extends to the connecting board 55 and is provided with a protruding second contact 72, the other end of the extending portion is provided with a pin soldered to the circuit board 40 and electrically connected to the electronic unit, the two rows of second contacts 72 respectively protrude from two board surfaces of the connecting board 55 and are located behind the two rows of first contacts 41, and the second contact 72 can be flexible up and down along with the extending portion 71.

Referring to fig. 17 and 18, a sixth embodiment of the present invention is a USB 3.0-sized flash drive, which is electrically connected to an electrical connection female socket on both sides, and includes an outer cover 30, a circuit board 40, a connection board 55, an electronic unit 4, two rows of first terminals 60 and two rows of second terminals 70, wherein:

The circuit board 40 is disposed in the accommodating chamber 33 of the outer cover 30, and the circuit board 40 is covered by the outer cover 30

The connecting plate 55 is integrally formed at the front end of the outer covering body 30, the connecting plate 55 is shaped to be positioned on the female electrical connection seat in a front-back double-sided butt joint manner, four concave surfaces 57 are formed on the upper and lower plate surfaces of the connecting plate 55, and a row of 5 through holes 56 is formed behind the concave surfaces 57.

The electronic unit 4 is a storage unit electrically connected to the circuit board 40 and covered by the outer cover 30, and includes a memory 43 and a control circuit 45, the capacity of the memory 43 is not limited, and the control circuit 45 controls the operation of the memory 43 of the electronic unit.

The number of the first terminals 60 in the two rows is 4, the first terminals 60 are provided with extending portions 61 that cannot be bounced, one end of each extending portion 61 extends to the connecting plate 55 and is provided with a first contact 62 flatly attached to the concave surface 57, two sides of each first contact 62 in the two rows are longer, the first contacts 62 in the two rows are flatly attached to two front-section plate surfaces of the upper plate surface and the lower plate surface of the connecting plate 55, the other end of each extending portion 61 is provided with a pin which is welded to the circuit board 40 and electrically connected to the electronic unit 4, and the first contacts 62 in the two rows are flatly attached to the concave surfaces 57 of the two plate surfaces of the connecting plate 55.

The number of the second row of terminals 70 is 5, the second terminal 70 has an extending portion 71 capable of springing, one end of the extending portion extends to the connecting plate 55 and has a protruding second contact 72, the other end of the extending portion has a pin soldered to the circuit board 40 and electrically connected to the electronic unit 4, the second row of second contacts 72 respectively protrude from two plate surfaces of the connecting plate 55 and are located behind the second row of first contacts 62, and the second contact 72 can be sprung up and down along with the extending portion 71.

The USB3.0 connection interface according to the USB Association standard is the front row of 4 first contacts, which are respectively the circuits of 1.VBUS (power source), 2.USB D- (signal), 3.USB D + (signal) and 4.GND (ground), and the rear row of 5 second contacts, which are respectively the circuits of 5.RX- (signal), 6.RX + (signal), 7.GND (ground), 8.TX- (signal), 9.TX + (signal), and the like, and this is the supplement of the USB Association standard.

In the present embodiment, the two rows of first contacts 62 and the two rows of second contacts 72 are all the same connecting interface and the serial numbers of the circuits are arranged in opposite directions, wherein a7 and b7 are the same circuits and are aligned up and down, although the present embodiment is not provided with the limiting structure, one way of the electronic anti-reverse-flow or anti-short circuit safety protection means can be provided, but there are also various ways such as providing a schottky diode or an anti-reverse-flow electronic element or an anti-short circuit electronic element or a circuit safety protection element or a safety circuit arrangement means, so as to achieve the circuit safety protection effect.

Please refer to fig. 19, which is a seventh embodiment of the present invention, and is substantially the same as the sixth embodiment, and the difference is that the present embodiment is provided with a limiting structure 50 protruding from two plate surfaces of the connecting plate 55.

Please refer to fig. 20 and fig. 21, which are the eighth embodiment of the present invention, which is substantially the same as the fifth embodiment, and the difference is that the electronic unit of the present embodiment further has a memory 44, the connection interface of one board of the connection board 55 is electrically connected to the memory 43, which is the same interface as the fifth embodiment, and is all the connection interface of USB3.0, and the other board of the connection board 55 is provided with a row of 9 first contacts 41, which is the connection interface of miCard, and the row of 9 first contacts 41 is electrically connected to the memory 44.

Please refer to fig. 22, which is a ninth embodiment of the present invention, which is a USB 3.0-sized portable disc, and is substantially the same as the seventh embodiment, the present embodiment is also provided with an outer cover 30, a circuit board 40, a connecting board 55 and an electronic unit 4, two rows of first terminals 60 and two rows of second terminals 70, and a limiting structure, the difference is that the present embodiment is additionally provided with a detecting structure, the detecting structure includes two movable terminals and two contacts, the two movable terminals are respectively one terminal of the two rows of second terminals 70, the two contacts are respectively contacts 417 and 418 disposed on two board surfaces of the circuit board 40, the contacts 417 and 418 are electrically connected to the control circuit 45, the control circuit 45 of the electronic unit 4 includes a safety circuit setting means, in use, when the front surface of the portable disc is inserted into the electrically connected mother board, when the row of first terminals 60 and the first row of first terminals 70 on the board surface of the connecting board 55 are electrically connected to the mother board, one of the first terminals 70 and the first row of first terminals 60 on the connecting board 55 are electrically connected to the mother board 70, and the next row of first terminals 70 is electrically connected to the connecting board 55 to prevent a short circuit from being properly used as a short circuit protection board for protecting the next end of the first row of the first terminal 70; on the contrary, when the electrical connection female socket is inserted into the reverse side of the flash drive, and when the row of first terminals 60 and the row of second terminals 70 on the lower board surface of the connection board 55 are electrically connected to the electrical connection female socket, one of the second terminals 70 is electrically connected to the contact 418 to complete the detection, so that the control circuit 45 can know that the row of first terminals 60 and the row of second terminals 70 on the lower board surface of the connection board 55 are electrically connected to the electrical connection female socket, and can perform proper circuit safety protection to prevent the row of first terminals 60 and the row of second terminals 70 on the upper board surface of the connection board 55 from causing short circuit.

Please refer to fig. 23, which is a tenth embodiment of the present invention, which is a USB 3.0-standard flash drive, and is substantially the same as the ninth embodiment, but the difference is that only one row of first terminals 60 is provided, and each first terminal 60 is provided with

first contacts

62, 63 respectively flatly attached to two board surfaces of the connecting board 55.

Please refer to fig. 24, which is an eleventh embodiment of the present invention, which is a USB 3.0-standard drive, and is substantially the same as the ninth embodiment, the difference is that the electronic unit 4 of the present embodiment further includes another memory 44 in addition to a memory 43 and a control circuit 45, the first contacts of the row of first terminals 60 and the second contacts of the row of second terminals 70 on one surface of the connecting plate 55 are electrically connected to the memory 43, and the first contacts of the row of first terminals 60 and the second contacts of the row of second terminals 70 on the other surface of the connecting plate are electrically connected to the memory 44.

Referring to fig. 25, fig. 26 and fig. 27, a twelfth embodiment of the present invention is a USB2.0 flash drive, which is substantially the same as the first and second embodiments, and the difference is that the electronic unit 4 of the present embodiment further includes another memory 44 (B) in addition to a memory 43 (a) and a control circuit 45, and a switch device 90 is further provided, the switch device 90 is provided with a sliding button 91 and a sliding slot 92 on the outer cover 30, the sliding button 91 can slide in the sliding slot 92 to switch a, B and C, as shown in fig. 28, two rows of conducting parts 93 are provided on the inner surface of the sliding button 91, the two rows of conducting parts 93 are four in number, the control circuit 45 is provided with an IC control chip 47, the two rows of first contacts 41 are the same connecting interface and the circuit numbers are arranged in opposite directions, the two rows of same circuit numbers are electrically connected in series to form a group and then electrically connected to the IC control chip 47, the IC control chip 47 is electrically connected to the four memory circuit 49 in series by the four rows of the memory circuit 49, the four memory circuit 48 a and the four memory circuit 48B of the single row of the memory 48 a, the four memory 48B of the sliding button 48 is electrically connected to the single row of the sliding button 48, the four memory 48 a, the four memory 48B of the sliding button 48 is electrically connected to the single row of the sliding button 48, the single memory 48B, and the single row of the single memory 48B of the sliding button 48.

Referring to fig. 28, when the sliding button 91 is switched to the position a, the row of conductive parts 93 of the sliding button 91 is connected to the 4 pairs of contacts 48 of the four circuits electrically connected to the memory a, so that the memory a can be electrically connected on both sides, the control circuit 45 operates only on the memory a, and the memory B is in the open circuit state and can be protected from reading and writing; referring to fig. 29, when the sliding button 91 is switched to the position B, the row of conducting parts 93 of the sliding button 91 is used to conduct the four pairs of contacts 48 of the 4 pairs of circuits electrically connected to the memory B, so that the memory B can be electrically connected on both sides, the control circuit 45 only operates on the memory B, and the memory a is in the open circuit state to prevent reading and writing; referring to fig. 30, when the sliding button 91 is switched to the position C, the two rows of conductive portions 93 of the sliding button 91 are simultaneously connected to the 4 pairs of contacts 48 of the four circuits electrically connected to the memory a and the 4 pairs of contacts 48 of the four circuits electrically connected to the memory B, and at this time, the memories a and B are electrically connected on both sides, and the control circuit 45 operates on the memories a and B simultaneously.

Please refer to fig. 31, which is a thirteenth embodiment of the present invention, which is a USB 2.0-standard drive, and is substantially the same as the twelfth embodiment, the difference is that the control circuit 45 of the present embodiment is provided with two IC control chips 47, one IC control chip 47 is electrically connected to the memory a and a row of first contacts a1, a2, a3, a4, and the other IC control chip 47 is electrically connected to the memory B and a row of first contacts B1, B2, B3, B4.

Please refer to fig. 32, which shows a fourteenth embodiment of the present invention, which is a USB 2.0-standard drive, and is substantially the same as the twelfth embodiment, wherein the control circuit 45 of the present embodiment has two IC control chips 47, one IC control chip 47 is electrically connected to the memory a, and the other IC control chip 47 is electrically connected to the memory B.

Please refer to fig. 33 and fig. 34, which are a fifteenth embodiment of the present invention, which is a Secure Digital Card (SDC), capable of electrically connecting an electrical female socket on both sides, and includes an outer cover 30, a circuit board 40, a connecting board 55, a limiting structure 50 and an electronic unit 4, wherein:

the outer covering body 30 is made of plastic material.

The connecting plate 55 is integrally formed at the front end of the outer covering body 30, and the shape of the connecting plate 55 is symmetrical, so that the connecting plate can be positioned on the female electrical connection seat in a front-back double-sided butt joint manner.

The circuit board 40 is wrapped by the outer covering body 30, the front section of the circuit board 40 extends to the connecting plate 55, two plate surfaces of the front section of the circuit board 40 are respectively provided with a row of first contacts 41, the two rows of first contacts 41 are exposed out of the two plate surfaces of the connecting plate 55, the two rows of first contacts 41 are all 9 same connecting interfaces, the circuit serial numbers are arranged in reverse directions, the two rows of first contacts 41 are provided with a plurality of longer flat-contact points and a plurality of shorter flat-contact points, in addition, the connecting plate 55 is in a front-back symmetrical shape, so that the front side and the back side can be butted and positioned on an electric connecting female seat.

The electronic unit 4 is a storage unit electrically connected to the circuit board 40 and covered by the outer cover 30, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

The position limiting structure 50 is also integrally formed with the outer covering body 30 and the connecting plate 55, and the position limiting structure 50 is disposed on two plate surfaces of the connecting plate 55 and is protruded from the two rows of the first contacts 41, so as to prevent the two rows of the first contacts 41 from being scratched and short-circuited.

By the structure, the front and back surfaces of the SDC can be inserted into a connecting groove of an electric connecting female seat to be positioned and electrically connected.

In addition, the MiCard, micro SDC, mini SDC, memory Stick Card (MSC for Memory Stick Card), memory Stick Card (MS-Dou C for Memory Stick Card) \ 8230can be implemented as the fifteenth embodiment.

Please refer to fig. 35, which is a sixteenth embodiment of the present invention, which is substantially the same as the seventh embodiment, and the difference is that the two rows of the first contacts 62 on the two plate surfaces of the connecting plate 55 of the present embodiment are different connection interfaces, and the position-limiting structures 50 on the two plate surfaces of the connecting plate 55 are also staggered up and down.

Please refer to fig. 36 and 37, which are a seventeenth embodiment of the present invention, which is an IC chip card (abbreviated as smart card) having a front side and a back side electrically connected to an electrical connection female socket, and including an outer covering body, a connection board and an electronic unit 4, wherein:

the outer covering body and the connecting plate are integrally formed into a plate-shaped butt joint structure 58 made of plastic materials, the front section of the butt joint structure 58 is a connecting plate 55, the shape of the butt joint structure can be positioned on an electric connection female seat in a front-back double-side butt joint mode, two plate surfaces of the connecting plate 55 are respectively and flatly attached with a row of first connecting points 62 and a row of second connecting points 72, the first connecting points 62 and the second connecting points are arranged on the same connecting interface, circuit serial numbers are arranged in a reverse direction, and the second connecting points 72 are positioned behind the first connecting points 62.

The electronic unit 4 is an IC chip that is disposed in the docking structure 58, and the two rows of first contacts 62 and the two rows of second contacts 72 are electrically connected to the electronic unit 4.

By the above structure, the IC chip card can be positioned and electrically connected by inserting the front and back surfaces into the connecting groove of the electrical connection female socket.

Please refer to fig. 38, 39 and 39A, which are eighteenth embodiment of the present invention, which is an electrical connection wire of USB2.0 standard, capable of electrically connecting an electrical female socket on both sides, and including an outer covering body 30, an electronic unit 4, a connection board 55, two rows of first terminals 60 and an electronic unit 4, wherein:

the outer covering 30 is made of plastic material.

The connecting plate 55 is integrally formed at the front end of the outer cover 30.

The electronic unit 4 is a set of 4 wires 419, which are covered by the outer cover 30.

The two rows of first terminals 60 are fixed to the outer cover 30, the two rows of first terminals 60 are 4, and can respectively transmit signals such as VCC, USB D-, USB D +, GND, etc., the first terminal 60 is provided with an inelastic extension portion, one end of the extension portion extends to the connection plate 55 and is provided with a first contact 62 flatly attached to one plate surface of the connection plate 55, the other end of the extension portion is electrically connected to an electric wire of the electronic unit 4, the two rows of first contacts 62 are flatly attached to two plate surfaces of the connection plate 55, the two rows of first contacts 62 are the same connection interface and circuit serial numbers are arranged in opposite directions, as shown in fig. 39A, the circuit serial number of the front side is 1,2,3,4 from right to left, the circuit serial number of the back side is 4,3,2,1 from right to left, and the circuit serial number of the two rows of first contacts 62 is the same circuit serial number and is electrically connected to the same electric wire of the electronic unit 4.

By the above structure, the front and back sides of the electrical connection wire can be inserted into the connection groove of the electrical connection female socket to be positioned and electrically connected, and the other end of the electrical connection wire can be electrically connected with various electronic devices such as a keyboard, a mouse, an LED lamp, a fan, an adapter 8230and the like.

Please refer to fig. 40 and fig. 41, which are a nineteenth embodiment of the present invention, which is a USB 2.0-standard wireless transceiver device, wherein the front and back sides of the wireless transceiver device can be electrically connected to an electrical connection female socket, and the wireless transceiver device includes an outer covering body 30, a circuit board 40, an electronic unit 4, a connection board 55, and a limiting structure 50, wherein:

the outer covering 30 is made of plastic material.

The rear section of the circuit board 40 is covered by the outer covering body 30, the front section of the circuit board 40 is exposed out of the outer covering body 30, i.e. the connecting plate 55, two rows of first contacts 41 are arranged on two plate surfaces of the connecting plate 55, the two rows of first contacts 41 are circuit contacts formed on the circuit board 40, the two rows of first contacts 41 are all 4 same connecting interfaces, and the circuit numbers are arranged in reverse.

The electronic unit 4 is a wireless transceiver module electrically connected to the circuit board 40 and covered by the outer covering 30, and is capable of wirelessly transceiving electronic signals, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

The position-limiting structure 50 is a metal layer plated on two sides of two surfaces of the connecting board 55 by electroplating, and the position-limiting structure 50 protects the two rows of first contacts 41 on the connecting board 55 from being scratched.

By the above structure, the front and back sides of the wireless transceiver can be inserted into a connecting groove of an electric connecting female seat to be positioned and electrically connected.

The wireless transceiver of the embodiment can be a wireless network card, a bluetooth receiver, a 2.4G wireless transmission receiver (such as a transceiver of a wireless mouse) \ 8230, and other electronic devices.

Please refer to fig. 42, which is a twentieth embodiment of the present invention, which is an adapting electrical connector of USB3.0 specification, capable of electrically connecting an electrical connection female socket on both sides, and includes an outer covering body 30, an electronic unit 4, a connection board 55, a circuit board 40, two rows of first terminals 60 and two rows of second terminals 60, wherein:

the outer covering body 30 is made of plastic material.

The connecting plate 55 is a plastic plate, and is fixed to the front end of the outer covering body 30, and a fixing seat 59 is integrally formed at the rear end of the connecting plate and fixed in the outer covering body 30, and the connecting plate 55 is exposed out of the outer covering body 30.

The circuit board 40 is disposed in the outer cover 30.

The electronic unit 4 is a USB3.0 standard male connector and a switching circuit, and is partially covered by the covering body 30, which is electrically connected to the circuit board 40.

The two rows of first terminals 60 are fixed to the outer covering body 30, the number of the two rows of first terminals 60 is 4, the first terminals 60 are provided with non-elastic extension portions, one end of each extension portion extends to the connecting plate 55 and is provided with a first contact 62 flatly attached to one plate surface of the connecting plate 55, the other end of each extension portion is welded to the circuit board 40 and is electrically connected to the electronic unit 4, and the two rows of first contact 62 flatly attached to two plate surfaces of the connecting plate 55 respectively.

The number of the second rows of second terminals 70 is 5 respectively, the second terminals 70 are provided with an extending portion capable of springing, one end of the extending portion extends to the connecting plate 55 and is provided with a protruding second contact 72, the other end of the extending portion is soldered to the circuit board 40 and electrically connected to the electronic unit 4, the two rows of second contacts 72 respectively protrude from two plate surfaces of the connecting plate 55 and are located behind the two rows of first contacts 62, and the second contacts 72 can be sprung up and down along with the extending portion 71.

The two rows of first contacts 62 and the two rows of second contacts 72 of this embodiment are all the same connecting interface and the serial numbers of the circuits are arranged in reverse.

With the above structure, the adapter connector can be positioned and electrically connected by inserting the connecting plate 55 into the connecting slot of an electrical connection female socket on both sides.

Referring to fig. 43 and fig. 44, a twenty-first embodiment of the present invention is an electrical adapter connector with dual connection interfaces, which includes an outer housing 30, a circuit board 40, a connection board 55, an electronic unit 4 and a position-limiting structure 50, wherein:

the outer covering body 30 is made of plastic material.

The rear section of the circuit board 40 is fixed in the outer covering body 30, the front section of the circuit board 40 is exposed out of the outer covering body 30, i.e. the connecting plate 55, two rows of first contacts 41 are arranged on two plate surfaces of the connecting plate 55, the two rows of first contacts 41 are circuit contacts formed on the circuit board 40, and the two rows of first contacts 41 are different connecting interfaces. In addition, the connecting plate 55 has a front and back symmetrical shape, so that the front and back sides can be butt-jointed and positioned on an electrical connection female socket.

The electronic unit 4 is an electrical female socket with USB2.0 specification and a switching circuit, which is disposed in the outer cover 30 and electrically connected to the circuit board 40, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

With the above structure, the adapter connector is electrically connected by inserting the connecting slots of the electrical connection female socket with different connection interfaces into the front and back surfaces of the connecting board 55.

Please refer to fig. 45 and 46, which are a twenty-second embodiment of the present invention, which is a USB2.0 adapter connector, and is substantially the same as the twenty-first embodiment, the difference is that the two rows of first contacts 41 of this embodiment are all 4 identical connection interfaces and the serial numbers of the circuits are arranged in opposite directions, the electronic unit 4 is an electrical connection female socket and an adapter circuit with a double connection interface, as shown in fig. 46, two plate surfaces of the tongue piece 413 of the electronic unit 4 are respectively provided with a row of first contacts 411, the two rows of first contacts 411 are different connection interfaces, the electronic unit 4 is disposed in the outer cover 30 and electrically connected to the circuit board 40, and the two rows of first contacts 41 are electrically connected to the electronic unit 4.

Please refer to fig. 47 and fig. 48, which are a twenty-third embodiment of the present invention, which is a USB3.0 compliant adaptor electrical connector, and is substantially the same as the twentieth embodiment, wherein two sides of the adaptor electrical connector are a first and a second electrical connection structures, respectively, the difference is that the electronic unit 4 of this embodiment is a male electrical connector and a switching circuit, the top and bottom surfaces of the connection slot 410 of the electronic unit 4 are both provided with a row of first contacts 411 and a row of second contacts 412, the row of first contacts 411 and the row of second contacts 412 on the top surface and the row of first contacts 411 and the row of second contacts 412 on the bottom surface are the same connection interfaces and the circuit numbers are arranged in opposite directions, the two connection interfaces of the electrical connection structure are electrically connected to the adaptor circuit, the front end of the electrical connection slot 410 is an insertion slot, the rear sections of the top surface and the bottom surface are thicker than the front section, and the second contact 412 is higher than the first contact 411, and the docking structure of the electrical connection structure is provided with an outer shell covering an insulator; in addition, the upper and lower plate surfaces of the connecting plate 55 are provided with protruding limiting structures 50.

The shape of the butt-joint structure of the electrical connection structure of the electronic unit 4 can be butt-jointed and positioned on an electrical connection female seat from both sides, the structure of the electrical connection female seat is substantially the same as the electrical connection female seat shown in fig. 45, at least one row of contacts (411) is respectively arranged on the upper and lower plate surfaces of the tongue piece of the electrical connection female seat, and at least one row of contacts on the upper and lower plate surfaces of the tongue piece is electrically connected with the two connection interfaces of the electrical connection structure of the electronic unit 4.

In addition, the connection board 55 of the right electrical connection structure in FIG. 47 can be butt-jointed and positioned in both directions to the connection slot 410 of an electrical connection structure similar to the left electrical connection structure, and the two rows of contacts on the top and bottom of the connection slot 410 are electrically connected to the two rows of contacts on the upper and lower plate surfaces of the connection board, respectively.

Please refer to fig. 49, which is a twenty-fourth embodiment of the present invention, and is a USB 2.0-standard flash drive, and is substantially the same as the first embodiment, the difference is that the connection board 55 and the position-limiting structure 50 of the present embodiment are integrally formed by plastic, each of the upper and lower board surfaces of the connection board 55 is flatly attached with a row of 4 first contacts 62, the two rows of first contacts 62 are formed on the two rows of first terminals 60, the two rows of first contacts 62 are the same connection interface and have the circuit numbers arranged in opposite directions, the outer cover 30 is a metal shell, the outer cover 30 covers the periphery of the connection board 55, only the upper and lower board surfaces are exposed, the outer cover 30 at both sides of the connection board 55 is provided with a positioning groove 35, the positioning groove 35 is provided with a concave bottom surface 351 and a locking surface 352 made of metal material, and when the flash drive is inserted into a female base, the flash drive can be locked with the female base by the locking surface 352 of the positioning groove 35.

Wherein the two rows of first terminals 60 can be embedded in the connecting plate 55 by plastic injection molding or can be assembled to the connecting plate 55.

The metal shell is integrally provided with a butt metal shell 38 and an insulator metal shell 310, the butt metal shell 38 is sleeved and covered on the front side, the left and right sides and the rear section of the periphery of the connecting plate, the insulator metal shell 310 only covers the butt structure at the rear end of the connecting plate and is sleeved and covered on the upper and lower faces and the left and right sides of the insulator at the rear end of the connecting plate.

Please refer to fig. 50, which shows a twenty-fifth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the twenty-fourth embodiment, except that the positioning groove 35 is slightly different.

Please refer to fig. 51, which shows a twenty-sixth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the twenty-fourth embodiment, but the difference is that the outer covering body 30 at both sides of the connection plate 55 of this embodiment is provided with a positioning elastic sheet 36, and when the flash drive is inserted into a female socket, the flash drive can be locked with the female socket by the positioning elastic sheet 36.

Please refer to fig. 52, which is a twenty-seventh embodiment of the present invention, which is a USB 2.0-standard flash drive, and includes an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4 and a limiting structure 50, and is substantially the same as the first embodiment, the difference is that the connecting board 55 and the limiting structure 50 are integrally formed by plastic, the circuit board 40 is thinner, a socket 52 is disposed at the rear end of the connecting board 55 for inserting and locking one end of the circuit board 40, a row of 4 first contacts 62 are flatly attached to the upper and lower board surfaces of the connecting board 55, the two rows of first contacts 62 are formed on two rows of first terminals 60, the two rows of first contacts 62 are the same connecting interface and have circuit numbers arranged in opposite directions, the two rows of first contacts 62 are all electrically connected to the circuit board 40, the electronic unit 4 is a storage unit, and is electrically connected to the circuit board 40 and covered by the outer cover 30, and includes a memory 43 and a control circuit 45, the control circuit 45 controls the operation of the memory 43 of the electronic unit, and the second contact 62 is electrically connected to the electronic unit 4.

With the above structure, the circuit board 40 can be made of a thinner plate, and when the thickness of the outer cover 30 is substantially the same as that of the connection plate 55, there is enough space on the circuit board 40 inside the outer cover 30 to dispose the electronic unit 4.

Please refer to fig. 53, which is a twenty-eighth embodiment of the present invention, which is a USB 2.0-sized flash drive, and includes an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4 and a limiting structure 50, which are substantially the same as the first embodiment, the difference is that the circuit board 40 of this embodiment is thinner, the upper and lower board surfaces of the front section of the circuit board 40 are respectively stacked to form an upper and lower circuit boards 422 and 423, the stacked upper circuit board 422, circuit board 40 and lower circuit board 422 extend out of the front end of the outer cover 30 to form the connecting board 55, the upper and lower circuit boards 422 and 423 are respectively provided with a row of 4 first contacts 41, the two rows of first contacts 41 are the same connecting interface and are arranged in opposite directions, the two rows of first contacts 41 are electrically connected to the circuit board 40 by conductive parts 420 penetrating through the connecting board 55, the conductive parts 420 are formed by drilling and then filling, the electronic unit 4 is a storage unit, which is electrically connected to the circuit board 40 and is covered by the outer cover 30, which includes a memory 43 and a memory control circuit 45, and the electronic unit 41 is electrically connected to control the memory unit 43.

Referring to fig. 54, a twenty-ninth embodiment of the present invention is a USB 2.0-sized flash drive, which is substantially the same as the twenty-eighth embodiment, and the difference is that a plastic board 37 and a lower circuit board 423 are stacked on the lower board of the front section of the circuit board 40, the stacked circuit board 40, plastic board 37 and lower circuit board 422 extend out of the front end of the outer cover 30 to form the connection board 55, and the conductive portion 420 is formed by drilling and then inserting a terminal for soldering.

Please refer to fig. 55, which is a thirty-first embodiment of the present invention, and is a portable disc with a dual interface, which is substantially the same as the twenty-ninth embodiment, and the difference is that the present embodiment is provided with two circuit boards 40 and an electronic unit 4, a plastic board 37 is laminated on the front section of the two circuit boards 40 and extends out of the front end of the outer cover 30 to form the connecting board 55, the upper and lower board surfaces of the connecting board 55 are respectively provided with a row of first contacts 41, the two rows of first contacts 41 are different connecting interfaces, the electronic unit is a storage unit and is covered by the outer cover 30, the electronic unit 4 includes a memory 43, a memory 44 and two control circuits 45, the two control circuits 45 respectively control the operations of the memories 43 and 44, wherein one circuit board 40 is provided with the memory 43 and one control circuit 45, the memory 43 and one control circuit 45 are electrically connected to the first row of contacts 41, the other circuit board 40 is provided with the memory 44 and the other control circuit 45, and the memory 44 and the other control circuit 45 are electrically connected to the first row of contacts 41.

Please refer to fig. 56 and 57, which are a thirty-first embodiment of the present invention, which is an electrical connection wire of USB2.0 standard, and is substantially the same as the eighteenth embodiment, and the difference is that two board surfaces of the connection board 55 are integrally formed with a protruding position-limiting structure 50 to prevent the first contact 62 from short-circuiting, and the first contacts 62 with circuit number 1 (VCC for transmission) of the two board surfaces of the connection board 55 are electrically connected to a schottky diode 46 respectively and then electrically connected to an electrical wire of the electrical connection wire, so that the current backflow can be prevented by the schottky diode 46 to ensure that the first contact 62 for VCC transmission is not short-circuited, except for using the schottky diode to prevent short-circuiting, other backflow-preventing electronic devices or short-circuit-preventing electronic devices or circuit safety protection devices or safety circuit arrangement means can be used to achieve the circuit safety protection effect.

In the embodiment, the front side, the left and right sides, the two sides of the front upper and lower sides, and the rear section of the connecting plate 55 are sleeved with a butt metal shell 38, the butt metal shell 38 is only sleeved with the upper and lower sides and the left and right sides of the rear section of the connecting plate to form an annular wrapping abutment, only the middle parts of the two front section plate surfaces of the upper and lower plate surfaces and the two rows of first contacts 62 are exposed, the height of the butt metal shell 38 is higher than the height of the two rows of first contacts 62, two sides of the butt metal shell 38 are respectively provided with a positioning groove 35, the positioning groove 35 is provided with a concave bottom surface 351 and a clamping surface 352 made of metal, and when the electrical connection wire is inserted into a female socket, the clamping surface 352 of the positioning groove 35 can clamp with the female socket.

Thus, the rear section of the upper and lower plate surfaces of the connecting plate 55 is higher than the high surface 551, the front section of the connecting plate is provided with a lower surface 552, the lower surface 552 is different from the high surface 551, the rear section of any one of the upper and lower plate surfaces protrudes a height from the front section of the connecting plate, and the rear section of any one of the upper and lower plate surfaces is different from the front section of the connecting plate, so that the upper and lower plate surfaces form a height difference.

Please refer to fig. 58, which is a thirty-second embodiment of the present invention, which is an electrical connection wire of USB2.0 standard, and is substantially the same as the thirty-first embodiment, but the difference is that a metal reinforcing plate 59 is further disposed in the connection plate 55 of this embodiment, and the metal reinforcing plate 59 is a metal partition plate for separating the two rows of first terminals 60 and the two rows of first contacts 62.

Please refer to fig. 59, which is a thirty-third embodiment of the present invention, and is an electrical connection wire of USB2.0 standard, which is substantially the same as the thirty-second embodiment, and a metal reinforcing plate 59 is also disposed in the connecting plate 55, the difference is that the embodiment does not have a metal shell, the rear plate of the upper and lower plate surfaces of the connecting plate 55 is a higher high surface 551, the front plate surface is a lower low surface 552, the low surface 552 is a step different from the high surface 551, the rear plate of any one of the upper and lower plate surfaces protrudes a height higher than the front plate surface, and the rear plate of the any one of the upper and lower plate surfaces is a step different from the front plate surface, so that the upper and lower plate surfaces form a step difference.

The connection board of the present invention is directly contacted and fixed on the outer cover body, and is different from the electronic element packaged on the display card which is fixed on the circuit board through the pins, and the difference is particularly stated herein.

Referring to fig. 60, 61, 62 and 63, a thirty-fourth embodiment of the present invention is a USB 2.0-standard flash drive, which is electrically connected to an electrical female connector on both sides, and includes an outer cover 30, a circuit board 40, a connecting board 55, an electronic unit 4, a position-limiting structure 50 and a row of first terminals 60, wherein:

the front section of the circuit board 40 is provided with an insulating base 34 to form the connecting board 55, the connecting board 55 of this embodiment is a butt-joint structure, the insulating base 34 is provided with the row of 4 first terminals 60, each first terminal 60 is provided with a first contact 62 flatly attached to the upper surface of the connecting board 55 and extends to form a pin 64 to be welded with the circuit board 55, the pin 64 is bent from the front end of the connecting board 55 to the upper surface of the circuit board 40 in an SMT mode to be welded, so that the upper area of the rear section of the circuit board 40 is not occupied, which is beneficial for the utilization of the upper surface of the rear section of the circuit board 40, the lower surface of the front section of the circuit board 40 is provided with a row of first contacts 41 with four gold fingers, the row of first contacts 41 forms a connecting interface of the lower surface of the connecting board 55, the section of the insulating base 34 is in an inverted U shape, so that a space 39 is formed between the insulating base 34 and the front section of the circuit board 40, so that the electronic component 430 can still be configured on the front section of the circuit board 40, the circuit board 40 is a thin board, which is about 0.3mm to 0.5mm.

The two rows of

first contacts

62, 41 are USB2.0 connection interfaces, which can transmit VCC, USB D-, USB D + and GND signals, respectively, the two rows of first contacts 41 are the same connection interfaces and the circuit numbers are arranged in opposite directions, as shown in fig. 62, the circuit numbers of the row of first contacts 62 on the upper board surface of the connection board 55 are a1, a2, a3 and a4 from right to left, and the circuit numbers of the row of first contacts 41 on the lower board surface of the connection board 55 are b4, b3, b2 and b1 from right to left. In addition, the connecting plate 55 has a front and back symmetrical shape, so that the front and back sides can be butt-jointed and positioned on an electrical connection female socket.

The two rows of

first contacts

62, 41 with the same circuit serial number are electrically connected in series to form a group, i.e. a1 is electrically connected with b1, a2 is electrically connected with b2, a3 is electrically connected with b3, a4 is electrically connected with b4, wherein a1 and b1 are power contacts, which can never cause short circuit, so a1 and b1 are both electrically connected with each other through a Schottky diode 46, and the Schottky diode 46 mainly prevents current from flowing backwards, thereby achieving the effect of preventing short circuit.

The outer cover 30 and the connecting plate 55 are combined to form a butt joint structure, the outer cover 30 and the insulating base 34 are integrally formed by plastic injection molding, the outer cover 30 covers the rear section of the circuit board 40, the cross section of the outer cover 30 is also n-shaped, so that a space 39 is also formed between the outer cover 30 and the rear section of the circuit board 40.

The electronic unit 4 is a storage unit electrically connected to the rear section of the circuit board 40 and covered by the outer cover 30, and includes a memory and a control circuit, the memory can be but not limited to a flash memory (flash memory) or a Read Only Memory (ROM), the capacity of the memory is not limited, the control circuit controls the operation of the memory of the electronic unit, and the two rows of

first contacts

62, 41 are electrically connected to the electronic unit 4.

The position-limiting structure 50 is integrally formed with the insulating base 34, the position-limiting structure 50 forms a front-back rib on each of two sides of the two board surfaces of the connecting board 55, and the position-limiting structure 50 protrudes beyond the

first contacts

62, 41 of the two board surfaces of the connecting board 55 to protect the two rows of first contacts 41.

The reinforcing plate 59 is made of metal and has a cross section of a shape of '1255252', and is disposed on two sides of the insulating base 34, the reinforcing plate 59 extends from the connecting plate 55 to the rear section of the circuit board 40 and is provided with a soldering plate 591 for soldering with the circuit board 40.

In addition, the insulating base 34 can also be directly provided with a plurality of small-area soldering boards, so that the soldering board can be soldered to the circuit board to achieve the reinforcement effect.

With the above structure, the present embodiment has the following advantages:

1. the space 39 formed in the connecting plate 55 allows the electronic components 430 to be still disposed on the front section of the circuit board 40.

2. The cover 30 and the insulating base 34 are integrally formed by injection molding, so that the manufacturing is very simple.

3. Meanwhile, the electrical short-circuit-proof Schottky diode 46 and the mechanical anti-scratch and short-circuit-proof limiting structure 50 are designed to ensure the safety of the double-sided plug-in circuit.

The manufacturing method of the present embodiment includes the steps of:

1. providing a circuit board, wherein one side of the circuit board is provided with 2 groups of series circuits of sequentially reversely arranged USB2.0 connection interfaces, a group of contacts of the USB2.0 connection interfaces, circuits and contacts of an anti-reflux or anti-short circuit or other electronic circuit safety protection devices, circuits and contacts of an electronic unit and a welding area of a reinforcing plate, the 2 groups of series circuits of sequentially reversely arranged connection interfaces are electrically connected with the circuits of the electronic unit, and the other side of the circuit board is provided with a group of USB2.0 connection interfaces which are golden fingers;

2. providing an insulating base body, wherein the insulating base body is a plastic base body and is provided with a USB2.0 connection interface of a group of terminal structures, the terminals are provided with pins, a space is formed between the lower part of the insulating base body and the circuit board, electronic elements can be arranged by the space, the insulating base body is provided with a reinforcing plate, the insulating base body integrally extends the length of the base body to form an outer covering body, the insulating base body and the circuit are in front and back flush, so that the area of the circuit board on which the electronic elements are arranged is completely covered;

3. providing a safety protection device for anti-reverse-current electronic device or anti-short-circuit electronic device or Schottky diode or other electronic circuit;

4. providing an electronic unit which is a storage unit and comprises a memory and a control circuit;

5. providing welding materials to be coated on the contact of the circuit board and the welding area of the reinforcing plate;

6. arranging and sticking the anti-reflux electronic element or anti-short circuit electronic element or Schottky diode or other electronic circuit safety protection device, electronic unit and insulating seat body on the contact of the circuit board respectively, wherein the insulating seat body completely covers the region on the circuit board where the electronic elements are arranged; and

7. and performing reflow soldering on the components respectively attached to the circuit board to complete the processing procedure of the simple board type double-sided connection interface electronic device.

In the above manufacturing method, the circuit board has 2 sets of USB2,0 serial circuits, in which the circuit of circuit number 1 is electrically connected to the anti-reverse-current electronic element or anti-short circuit electronic element or Schottky diode or other electronic circuit safety protection device, and the insulation base has a limit structure for preventing short circuit from protruding out of two sets of USB2.0 connection interfaces.

In addition, the electronic unit may be a wireless transceiver unit to form a wireless transceiver, or may be a connection wire to form an electrical connection male plug, or may be a switching circuit and an electrical connector to form a switching electrical connector, or may be an expansion circuit and a set of electrical connection sockets to form an expansion socket, or may be a control unit to form an IC controller.

The related manufacturing method of the invention is also disclosed and described in other embodiments.

Referring to fig. 63A, the top and two sides of the exterior body 30 and two sides of the insulating base 34 of the thirty-fourth embodiment can be provided with through holes 301, so that air convection is provided when the exterior body 30 and the insulating base 34 are heat sealed on the circuit board 40 or the reflow soldering board, and a better heat sealing effect or a better reflow soldering board processing is provided.

Please refer to fig. 64, which shows a thirty-fifth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the thirty-fourth embodiment, except that the circuit board 40 of the present embodiment is thicker, about 0.8mm to 1.1mm.

Please refer to fig. 65, which shows a thirty-sixth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the thirty-fourth embodiment, wherein a row of pins 64 of the first terminals 60 of the embodiment are bent from the rear end of the connecting board 55 to the upper surface of the rear section of the circuit board for being soldered in an SMT manner.

Please refer to fig. 66, which is a thirty-seventh embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the thirty-sixth embodiment, but the difference is that a row of pins 64 of the first terminal 60 of the present embodiment is soldered through the circuit board, and the outer cover 30 is an encapsulant covering the circuit board 40 by an encapsulant, and simultaneously filling the space between the insulating base of the connection board 55 and the circuit board 40 to increase the strength, which is also a way of a reinforcement means.

Please refer to fig. 67 and fig. 68, which are thirty-eighth embodiments of the present invention, which are substantially the same as the thirty-seventh embodiment, and the difference is that a second circuit board 422 is stacked on the front section of the circuit board 40 of the present embodiment to form the connecting board 55, a row of first contacts 41 on the upper board surface of the connecting board is formed on the second circuit board and is a row of gold fingers, a row of first contacts 41 on the lower board surface of the connecting board is formed under the front section of the circuit board 40 and is a row of gold fingers, and the position-limiting structure 50 is two insulating base bodies respectively protruding from the upper and lower surfaces of the connecting board 55 and between

circuit numbers

1,2 and 3,4 of the two rows of first contacts.

Please refer to fig. 69, 70 and 71, which are thirty-ninth embodiments of the present invention, which are substantially the same as the thirty-seventh embodiment, and the difference is that the insulating base of the connection board 55 and the outer cover 30 of the present embodiment are both sealing compounds, which cover the upper surface of the circuit board 40 in a sealing compound manner, the front and rear ends of the row of first terminals 60 are both bent downward to the pins 64 on the circuit board to be soldered in an SMT manner, in addition, the position of the position limiting structure 50 is directly formed during the sealing compound, and the position of the position limiting structure 50 is the same as that of the thirty-eighth embodiment.

Please refer to fig. 72, 73 and 74, which are fortieth embodiments of the present invention, which is a USB 2.0-sized personal disk, and is substantially the same as the thirty-seventh embodiment, except that the circuit board 40 of the present embodiment is a thick plate with a thickness of about 1.0mm, and there is no space between the insulating base 37 of the connecting plate 55 and the front section of the circuit board 40.

Please refer to fig. 75, fig. 76 and fig. 77, which are forty-first embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the twenty-seventh embodiment, and the difference is that the two rows of first terminals 60 are embedded in the connecting board 55 for injection molding, the outer cover 30 is an encapsulant covering the upper surface of the circuit board 40 by an encapsulant, in addition, two sides of the connecting board 55 are respectively provided with a reinforcing plate 59, the reinforcing plate 59 is made of metal and has a concave cross section, the reinforcing plate 59 extends from the connecting board 55 to the circuit board 40, and the reinforcing plate 59 is clamped and fixed with the circuit board 40.

Please refer to fig. 78, which is a forty-second embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the forty-first embodiment, except that the two rows of pins 64 of the first terminal 60 are all soldered on the circuit board 40.

Please refer to fig. 79, which shows a forty-third embodiment of the present invention, which is a USB2.0 flash drive, and is substantially the same as the forty-first embodiment, except that the connection board of the present embodiment is not provided with a slot for locking the circuit board 40.

Referring to fig. 80, a forty-fourth embodiment of the present invention is a USB 2.0-standard flash drive, which is substantially the same as the forty-second embodiment, and the difference is that the pins 64 of the two rows of first terminals 60 of the present embodiment are all soldered on the bottom of the circuit board 40.

Please refer to fig. 81, 82 and 83, which are a forty-fifth embodiment of the present invention, which is a USB 2.0-sized flash drive, and is substantially the same as the thirty-fourth embodiment, and the difference is that two sides of the front section of the circuit board 40 of this embodiment are respectively provided with a plastic block 312, the two plastic blocks 312 are further stacked with a second circuit board 424 to form the connection board 55, a space is formed between the second circuit board 424 and the circuit board 40, and the two are aligned front and back, a row of first contacts 41 on one board surface of the connection board 55 is formed outside the second circuit board 424 and is a row of golden fingers, and a row of first contacts 41 on the other board surface of the connection board 55 is formed outside the front section of the circuit board 40 and is a row of golden fingers.

The second circuit board 424 and the circuit board 40 are fixed to the two plastic blocks 312 by pins 425, the limiting structure 50 is integrally formed on the two plastic blocks 312, and the outer covering body 30 is a sealing compound covering the inner surfaces of the circuit board 40 and the second circuit board 425 in a sealing compound manner.

Please refer to fig. 84 and 85, which are a forty-sixth embodiment of the present invention, which is an electronic device with USB2.0 standard, and is substantially the same as the thirty-sixth embodiment, except that the external cover 30 of the present embodiment is a plastic box with a height greater than that of the connection board 55, such that the circuit board 40 is located in the middle of the external cover 30, and both sides of the circuit board 40 and the external cover 30 have enough space for disposing related electronic components.

Please refer to fig. 86, which is a forty-seventh embodiment of the present invention, and is an electronic device with USB2.0 standard, which is substantially the same as the thirty-first embodiment, wherein the difference is that the outer cover 30 of the present embodiment is a plastic box with a height greater than that of the connection board 55, and the two circuit boards 40 are both thin boards with a thickness of about 0.3mm, so that the two circuit boards 40 are located in the middle of the outer cover 30, and two sides of the two circuit boards 40 have enough space for disposing related electronic components, thereby shortening the length of the whole electronic device.

Please refer to fig. 87 and fig. 88, which are a forty-eighth embodiment of the present invention, and are substantially the same as the thirty-fourth embodiment, the difference is that the connection board 55 of the present embodiment is a butt-joint structure, the butt-joint structure is a circuit board 40 combined below an insulation base 34 made of plastic material, the insulation base is provided with a row of first terminals 60, a row of first contacts 62 of one board surface of the butt-joint structure is formed on the row of first terminals 60, the row of first terminals 60 is electrically connected to the circuit board 40 by extending pins, a row of first contacts 41 of the other board surface of the butt-joint structure is formed below the circuit board 40 and is a row of gold fingers, a space is formed between the insulation base 34 and the circuit board 40, and the electronic unit 4 is disposed in the connection board 55 and is electrically connected to the circuit board 40.

The electronic unit 4 in the thirty-fourth to forty-eighth embodiments may be a storage unit to form a portable disk, or may be a wireless transceiver unit to form a wireless transceiver, or may be a connection wire to form an electrical connection male plug, or may be a switching circuit and an electrical connector to form a switching connector, or may be an expansion circuit and a set of electrical connection sockets to form an expansion socket, or may be a control unit to form an IC controller.

In the manufacturing method described in the thirty-fourth embodiment, another 2 sets of serial circuits and pads of sequentially and reversely arranged connection interfaces are further disposed behind the 2 sets of serial circuits and contacts of sequentially and reversely arranged USB2.0 connection interfaces of the circuit board; the insulation base is provided with another 2 groups of USB3.0 connection interfaces of the springing terminal structure, the springing terminal is provided with a pin, and the USB3.0 connection interface is behind the USB2.0 connection interface; the circuit board is provided with a through slot for the elastic terminal connecting interface to be elastically moved; thus, an electronic product with USB3.0 specification can be manufactured.

In addition, the insulating base body can also be directly provided with a plurality of small-area welding plates in the manufacturing process, the welding plates can also achieve the reinforcing effect by welding with the circuit board, and the insulating base body can also separately extend the length of the base body to form an outer covering body which completely covers the area of the electronic elements arranged on the circuit board.

Please refer to fig. 89 and fig. 90, which are a forty-ninth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the forty-first embodiment, in this embodiment, the connection board 55 and the two rows of first terminals 60 are formed by plastic injection molding in an embedded manner, two sides of the connection board 55 are respectively provided with a reinforcement board 59, the reinforcement boards 59 are made of metal material and have cross sections of the same shape as that of the connection board 55

The difference of this embodiment is that no sealant is temporarily disposed to cover the top of the circuit board 40 and the electronic unit 4.

In addition, the two rows of

first contacts

62 and 41 are both USB2.0 connection interfaces, which can transmit signals of VCC, USB D-, USB D +, and GND, respectively, the two rows of first contacts 41 are the same connection interfaces and the circuit numbers are arranged in opposite directions, as shown in fig. 62, the circuit numbers of the row of first contacts 62 on the upper board surface of the connection board 55 are a1, a2, a3, and a4 from right to left, and the circuit numbers of the row of first contacts 41 on the lower board surface of the connection board 55 are b4, b3, b2, and b1 from right to left. In addition, the connecting plate 55 has a front and back symmetrical shape, so that the front and back sides can be butt-jointed and positioned on an electrical connection female socket.

The two rows of

first contacts

The use of Schottky diode to prevent short circuit is one way of an electronic anti-reverse-current or anti-short circuit safety protection means, but there are also many ways to install anti-reverse-current electronic device or anti-short circuit electronic device or circuit safety protection device or safety circuit installation means, so as to achieve the circuit safety protection effect.

Referring to fig. 91, a fifty-fourth embodiment of the present invention is substantially the same as the forty-ninth embodiment, but the cross section of the reinforcing plate 59 is substantially the same

And (4) shaping.

Referring to fig. 92, a fifty-first embodiment of the present invention is substantially the same as that of the forty-ninth embodiment, except that the cross section of the reinforcing plate 59 of the present embodiment is in the shape of a rectangle

And (4) shaping.

Referring to fig. 93, a fifty-second embodiment of the present invention is substantially the same as the forty-ninth embodiment, except that the cross-section of the stiffening plate 59 of the present embodiment is also substantially the same

However, the circuit board 40 is not engaged.

Please refer to fig. 94 and 95, which are fifty-third embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the forty-ninth embodiment, the difference in this embodiment is that the reinforcing plate 59 and the connecting plate 55 are integrally formed of plastic, the reinforcing plate 59 is integrally connected to two sides of the rear end of the connecting plate 55 and extends backwards, and the cross section of the reinforcing plate 59 is also in a shape of a Chinese character 'ao' and is sleeved on two sides of the circuit board 40.

In addition, the cross section of the reinforcing plate 59 may have other shapes to fit, engage or adhere to the two sides of the circuit board.

Please refer to fig. 96 and 97, which are a fifty-fourth embodiment of the present invention, which is a USB2.0 flash drive, and is substantially the same as the forty-ninth embodiment, the difference in the present embodiment is that the reinforcing structure is a socket groove 52 disposed on the connecting plate 55, the front section of the circuit board 40 is fixed to the socket groove 52 in a socket manner, the socket groove 52 is located in the middle of the thickness of the connecting plate 55, and the socket groove 52 covers and abuts the left and right side surfaces and the top and bottom surfaces of the front section of the circuit board 40.

Please refer to fig. 98 and 99, which are fifty-fifth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the fortieth embodiment and the forty-ninth embodiment, in this embodiment, the connection board 55 includes an insulating base 34 and a front section of the circuit board 40, the insulating base 34 is disposed on the front section of the circuit board 40, the row of first contacts 62 is disposed on the insulating base 34, the row of first contacts 62 on the insulating base is formed on a row of first terminals 60, the first terminals 60 are provided with pins 64 for electrically connecting or welding with the circuit board 40, the row of first contacts 41 is disposed under the front section of the circuit board 40, the row of first contacts 41 of the circuit board is a circuit contact, a reinforcing board 59 is disposed on each of two sides of the insulating base 34, the reinforcing board 59 and the row of first terminals 60 are embedded in the insulating base 34 by injection molding, the reinforcing board 59 is made of metal, and has a cross section of a section of metal material that is formed by injection molding

The difference between the embodiment in which the reinforcing plate 59 extends to the rear section of the circuit board 40 and is soldered to the circuit board 40 is that no sealant is temporarily disposed to cover the circuit board 40 and the electronic unit 4.

Referring to fig. 100, a fifty-sixth embodiment of the present invention is substantially the same as the fifty-fifth embodiment, except that the cross-section of the reinforcing plate 59 of the present embodiment is the same as that of the fifty-sixth embodiment

And (4) shaping.

Referring to fig. 101, a fifty-seventh embodiment of the present invention is substantially the same as the fifty-fifth embodiment, except that the cross section of the reinforcing plate 59 of the present embodiment is the same as

And (4) shaping.

Referring to fig. 102, a fifty-eighth embodiment of the present invention is substantially the same as the fifty-fifth embodiment, except that the cross section of the reinforcing plate 59 of the present embodiment is the same as

And (4) shaping.

Referring to fig. 103, a fifty-ninth embodiment of the present invention is substantially the same as the fifty-fifth embodiment, except that the cross-section of the reinforcing plate 59 of the present embodiment is the same as

And (4) shaping.

Referring to fig. 104, 105, 106 and 107, a sixteenth embodiment of the present invention is a USB2.0 flash drive, which is substantially the same as the thirty-ninth embodiment, and the difference of the present invention is that a circuit board 40 and a second circuit board 424 are provided, a row of four first contacts 41 are provided on the front section of the lower surface of the circuit board 40, an electronic unit 4 is first soldered on the circuit board 40, two reinforcing plates 59 extending back and forth are soldered on both sides, and four conductive sheets 593 in the shape of an opening 12552125are soldered on the front section, then an outer covering body 30 is formed by molding to cover the upper surface of the circuit board 40 and the electronic unit 4, and the upper ends of the two reinforcing plates 59 and the four conductive sheets 593 are exposed, as shown in fig. 107, a row of four first contacts 41 are provided on the upper surface of the second circuit board 424, a row of four first contacts 41 corresponding to the two reinforcing plates 59 and the four conductive sheets 593 are provided on the lower surface, a row of four first contacts 41 on the upper surface is reversely arranged by a conductive part 420, and electrically connected to the lower surface of the two reinforcing plates 59 and four conductive sheets 593, and a row of connecting plates 55 are sequentially arranged to form a reverse connecting plate 55, and a row of the upper end of the circuit board, so as shown in the same order, and a serial number of the second circuit board 424 are sequentially arranged on the outer covering body 30, and the upper end of the connecting plate 55, and the connecting plate 55, and the circuit board.

The manufacturing method of the embodiment comprises the following steps:

1. providing a circuit board 40, wherein the circuit board 40 is provided with 2 groups of conductive contacts, a series circuit of the 2 groups of conductive contacts which are arranged in sequence in a reverse direction, a circuit and contacts of a backflow prevention or short circuit prevention or other electronic circuit safety protection devices, a circuit and contacts of an electronic unit 4, and contacts of a reinforcing plate 59, the series circuit of the 2 groups of conductive contacts which are arranged in sequence in a reverse direction is electrically connected with the circuit of the electronic unit 4, the 2 groups of conductive contacts are respectively arranged on different surfaces of the circuit board, and the front section of the circuit board 40 is a group of connecting interfaces relative to 1 group of conductive contacts on the other surface of the other surface provided with the contacts of the electronic unit 4, namely 4 first contacts 41 in a row, which are connecting interfaces of USB 2.0;

2. providing an insulator, which is a second circuit board 424 on which the other set of connection interfaces, i.e. a row of first contacts 41, which are the connection interfaces of USB2.0, are disposed;

3. providing a reverse-current-proof electronic device or a short-circuit-proof electronic device or a Schottky diode 46 or other electronic circuit safety protection devices;

4. providing an electronic unit 4, an additional set of conductive contacts and a reinforcing plate 59, wherein the additional set of conductive contacts is a set of conductive sheets 593;

5. providing a welding material to be coated on the contact of the circuit board 40;

6. the anti-reverse-flow electronic component or anti-short circuit electronic component or Schottky diode or other electronic circuit safety protection device, the electronic unit 4 and the two reinforcing plates 59 are respectively arranged and pasted on the corresponding contact points of the circuit board 40, and the group of conducting strips 593 are pasted on the group of conducting contact points on the surface of the circuit board;

7. performing reflow soldering on the components respectively attached to the circuit board 40;

8. packaging one side of the circuit board 40 welded with the above elements to form an outer covering body 30, combining the circuit board 40 and the outer covering body 30 into a packaging body, exposing the group of conducting strips 593 and the two reinforcing plates 59 on the upper surface of the outer covering body 30, and exposing a group of connecting interfaces, namely a row of 4 first contacts 41, on the other side of the circuit board on one side of the circuit board of the packaging body;

9. providing a group of conducting strips 593 and a reinforcing plate 59 which are coated with welding materials on the upper surface of the outer covering body; and

10. the second circuit board 424 is stacked on the front section of the upper surface of the outer covering body 30, the welding points of a set of connection interfaces of the second circuit board 424 are connected to the set of conductive sheets 593, the second circuit board 424 is provided with welding points to be connected to the two reinforcing plates 59, and finally, the reflow soldering process is performed.

The reinforcement structure is a reinforcement plate 59, or a solder plate, and the second circuit board 424 can be bonded to the outer cover 30 by ultrasonic or high frequency.

Referring to fig. 108, a sixty-first embodiment of the present invention is substantially the same as the sixty-second embodiment, and the difference is that the outer covering body 30 of the present embodiment further covers two side surfaces of the circuit board 40.

Referring to fig. 109, a sixty-second embodiment of the present invention is substantially the same as the sixty-second embodiment, and the difference is that an insulating base 34 is laminated on the outer covering 30, the insulating base 34 is provided with the row of first contacts 62, the row of first contacts 62 is formed on a row of first terminals 60, the insulating base 34 and the row of first terminals 60 are formed by embedding plastic injection molding, the first terminals 60 are provided with pins welded to the upper ends of four conductive sheets on the front section of the outer covering 30, and the insulating base 34 can be bonded to the outer covering 30 by ultrasonic or high frequency wave.

Referring to fig. 110, a sixty-third embodiment of the present invention is substantially the same as the thirty-fourth embodiment, and the difference is that the outer cover 30 and the insulation base 34 of the present embodiment are separately formed and not integrally formed, and the outer cover 30 and the insulation base 34 can be combined on the circuit board 40 by ultrasonic or high frequency.

Please refer to fig. 111, 112, 113 and 114, which are sixty-fourth embodiment of the present invention, which is a USB 2.0-standard drive, and is substantially the same as the thirty-fourth embodiment, the present embodiment includes a circuit board 40, two insulating base bodies 34, 34', an electronic unit 4 and an outer cover 30, wherein:

a set of conductive contacts 430 is disposed on the upper and lower surfaces of the circuit board 40, two bonding pads 432 are disposed on the front end of the circuit board, and a bonding pad 434 extending forward and backward is disposed on each of the two lower sides of the circuit board 40.

The two insulating base bodies 34, 34 'are upper and lower insulating base bodies, a group of conductive contacts are respectively disposed on the two insulating base bodies 34, 34', the group of conductive contacts is a row of four first contacts 62, which is a USB2.0 connection interface, the two rows of first contacts 62 are formed on the two rows of first terminals 60, the two insulating base bodies 34, 34 'and the two rows of first terminals 60 are respectively formed by plastic injection molding, the two rows of first terminals 60 are provided with pins 64 respectively welded to a group of conductive contacts 430 on the upper and lower surfaces of the circuit board 40, the front ends 66 of the two rows of first terminals 60 are welded to the welding areas 432 on the upper and lower surfaces of the circuit board 40, the front ends of the two insulating base bodies 34, 34' are respectively provided with two notches 342 corresponding to the welding areas 432, the notches 342 can be repaired and welded, in addition, the insulating base bodies 34 are larger, two side edges thereof are approximately flush with the circuit board 40, two side base bodies are respectively provided with a reinforcing plate 59 extending forward and backward, and the reinforcing plate 59 is welded to the welding areas 434.

The electronic unit 4 is a storage unit, which includes related electronic components and control circuits, and the electronic unit 4 is electrically connected to the circuit board 40.

The outer cover 30 is an insulating sealant, which is used to seal and cover the side of the circuit board 40 welded with the electronic unit 4 and the insulating base 34', so that only one row of first contacts 62 on the insulating base 34' is exposed out of the upper surface of the outer cover 30.

With the above structure, the upper and lower surfaces of the front section of the circuit board 40 are respectively provided with an insulating base to form the connection board 55, and two sides of the connection board 55 are respectively provided with a set of connection interfaces, i.e. the row of first contacts 62.

The manufacturing method of the embodiment comprises the following steps:

1. providing a circuit board 40, wherein the circuit board is provided with 2 groups of conductive contacts 430, a series circuit of the 2 groups of conductive contacts arranged in reverse order, a circuit and contacts of an anti-reflux or anti-short circuit or other electronic circuit safety protection device, a circuit and contacts of an electronic unit, and a welding area 434 of a reinforcing plate 59, the series circuit is electrically connected with the circuit of the electronic unit, and the 2 groups of conductive contacts 430 are respectively arranged on different surfaces of the circuit board 40;

2. providing an insulator, which is an insulating base 34, on which a set of USB2.0 connection interface and a reinforcing plate 59 are disposed, and which is a row of 4 first contacts 62, wherein the row of first contacts 62 is formed on a row of first terminals 60, and the insulating base 34' and the row of first terminals 60 are formed by embedding plastic injection molding;

4. providing an electronic unit 4 and an additional set of conductive contacts, wherein the additional set of conductive contacts is arranged on an insulating base 34', is a set of USB2.0 connection interface, and is a row of 4 first contacts 62, the row of first contacts 62 is formed on a row of first terminals 60, and the insulating base 34' and the row of first terminals 60 are formed by embedding plastic injection molding;

5. providing a solder material to coat the contacts and lands 432 on one side of the circuit board 40;

6. the anti-reverse-flow electronic component or anti-short circuit electronic component or Schottky diode or other electronic circuit safety protection device and electronic unit 4 are respectively arranged and attached to the corresponding contacts on the circuit board 40, the additional set of conductive contacts, i.e. the pins 64 of the row of first terminals 60 of the insulating base 34', are attached to the set of conductive contacts 430 on the surface of the circuit board, wherein the front ends 66 of the two first terminals 60 are connected to the welding area 432;

8. packaging one side of the circuit board welded with the elements to form an outer cover body 30, combining the circuit board 40 and the outer cover body 30 into a package body, and exposing the outer group of conductive contacts, namely the first contacts 62 of the row of first terminals 60 on the upper surface of the outer cover body 30 of the package body, and exposing the other side of the circuit board of the package body;

9. providing a set of conductive contacts 430, a bonding pad 432 and a bonding pad 434 of the stiffener plate with solder material coated on one side of the circuit board; and

10. the insulating base 34 is stacked on the front section of the circuit board 40 of the package, the pins 64 of the row of first terminals 60 of the insulating base 34 are connected to the set of conductive contacts 430 coated with the solder material, wherein the front ends 66 of the two first terminals 60 are connected to the soldering area 432, the reinforcing board 59 is connected to the soldering area 434, and a reflow process is performed.

The insulation seat body on the front section of the circuit board 40 of the present embodiment is formed by combining a smaller insulation seat body 34' with a sealing compound to form an insulation seat body flush with both sides of the circuit board 40, the sealing compound is embedded in the insulation seat body 34' and forms the circuit board, the insulation seat body 34' is mainly used to combine the row of first terminals 60 to achieve the purpose of simple manufacturing, however, the row of first terminals 60 can also be directly soldered on the circuit board 40 and then sealed to form an insulation seat body directly.

The reinforcing structure is a reinforcing plate 59, or a soldering plate, and the insulating base 34 can be bonded to the circuit board 40 by ultrasonic or high frequency.

Please refer to fig. 115 and 116, which are a sixty-fifth embodiment of the present invention, which is a USB 2.0-standard flash drive, and is substantially the same as the sixty-fourth embodiment, and the difference is that the two sides of the insulating base 34 of this embodiment are integrally provided with a limiting structure 50 protruding from the set of connection interfaces and a set of conductive contacts corresponding to the set of connection interfaces, that is, the limiting structure 50 protrudes from a row of first contacts 62 on both sides of the connecting board 55.

The electronic unit 4 in the forty-ninth embodiment to the sixteenth embodiment may be a storage unit to form a portable disk, or may be a wireless transceiver to form a wireless transceiver, or may be a connection wire to form an electrical connection male plug, or may be a connection circuit and an electrical connector to form a connection adapter, or may be an expansion circuit and a set of electrical connection sockets to form an expansion socket, or may be a control unit to form an IC controller.

The specific embodiments set forth in the detailed description of the preferred embodiments are merely illustrative of the technical disclosure of the present invention, rather than limiting the invention to the embodiments in a narrow sense, and various modifications can be made without departing from the spirit of the present invention and the scope of the following claims.

List of primary symbol names

Flash drive 1 and flash drive 3

Plastic base 10, circuit board 15 and contact 16

Electrical connection female socket 20 connecting slot 21 tongue piece 22

Contact 23 metal shell 25 spring piece 24

Upper cover 32 of lower seat 31 of outer cover 30

Positioning groove 35 of insulating base 34 of chamber 33

Positioning spring piece 36 plastic plate 37 metal shell 38

Space 39 plastic block 312 through hole 301

First contact 41 of circuit board 40 of electronic unit 4

Through-hole 42 memory 43

Control circuit 45 of memory 44 with Schottky diode 46

IC control chip 47, contact 48 and circuit 49

Connecting the slot 410, the first contact 411 and the second contact 412

Tongue 413 contact 417 contact 418

Circuit board 422 on conductive part 420 of electric wire 419

Lower circuit board 423 second circuit board 424 pins 425

Conductive contact 430 land 432 land 434

Card slot 52 limiting structure 50 connecting plate 55

Through hole 56 concave surface 57 butt joint structure 58

Conducting strip 593 of welding plate 591 of reinforcing plate 59

First terminal 60, extension 61 and first contact 62

Front end 66 of pin 64 of first contact 63

Extension 71 and second contact 72 of second terminal 70

Movable terminal 82 of movable terminal 81 of detection structure 80

Fixed terminal 83 bump 85 changeover switch device 90

Sliding button 91 and sliding groove 92 conductive part 93

Claims

1. An electronic device with a dual-sided electrical connection structure having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt joint structure, the butt joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the rear section plate surface of any one of the upper plate surface and the lower plate surface protrudes a height compared with the front section plate surface, the upper plate surface and the lower plate surface respectively present a step difference, the upper plate surface and the lower plate surface respectively comprise a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt joint structure, the contacts of at least one pair of the same circuits are electrically connected to form a same circuit, the connecting part of the butt joint structure can be in a shape of the front-back-face butt joint positioning one butt joint part of the electric contacts of the butt joint connector, the at least two rows of the contacts are respectively abutted against or welded on a plurality of electric conductors of the circuit board, and the two connecting interfaces are electrically connected to the switching circuit; and a locking structure, which is a locking recess or spring made of metal material, the locking structure is disposed on the left and right sides of the connecting portion, when the connecting portion of the butt-joint structure and the butt-joint portion of the butt-joint electrical connector are butt-jointed, the locking structure can be locked with a locking structure of the butt-joint electrical connector to prevent the butt-joint electrical connector from being separated in the opposite butt-joint direction, and one of the connecting portion and the butt-joint portion is a connecting plate, the locking structure disposed on the connecting plate is a locking recess made of metal material and is fixed on the left and right sides of the connecting plate; and

2. The electronic device with the engagement structure for adapting to the double-sided electrical connection structure of claim 1, wherein the connection portion of the first double-sided electrical connection structure is the connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, and the top surface and the bottom surface are the upper and lower surfaces of the mating portion.

3. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 1, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the upper and lower plate surfaces of the connection portion, the mating portion of the mating electrical connector is the connection plate, the upper and lower surfaces of the connection plate are the upper and lower plate surfaces of the mating portion, and the connection slot is shaped to be mated and positioned on the connection plate in a front-to-back dual-sided manner.

4. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt joint structure, the butt joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface respectively comprise a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt joint structure, at least one pair of contacts which are same in circuit and are aligned up and down are mutually and electrically connected to form the same circuit, the shape of the connecting part of the butt joint structure can be used for butt joint positioning a butt joint part of a butt joint connector in a forward and reverse direction, the at least two rows of terminals are respectively abutted against or welded on a plurality of conductive contacts of the circuit board, and the two connecting interfaces are electrically connected with the switching circuit; and a locking structure, which is a locking concave part or a spring sheet made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated in the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate; and a reinforcement structure, which is provided with a butt metal shell, the butt metal shell is sleeved with upper and lower surfaces and left and right sides of the joint part; and

5. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 4, wherein the connection portion of the first dual-sided electrical connection structure is a connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface.

6. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 4, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom surfaces of the connection portion, the engagement portion of the mating electrical connector is the connection board, and the connection slot is shaped to be engaged with and positioned on the connection board in a front-to-back dual-sided manner.

7. The electronic device with the adaptor of claim 4, wherein the mating portion has an upper plate and a lower plate, the upper plate and the lower plate each having a connection interface, the two connection interfaces of the mating portion are electrically connected to the two connection interfaces of the connection portion, and a metal partition is disposed between the insulators or the metal partition separates the at least two rows of terminals or the two connection interfaces, so as to enhance the strength of the insulators.

8. The electronic device with the engagement structure for adapting to the double-sided electrical connection structure of claim 7, wherein the connection portion of the first double-sided electrical connection structure is the connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, and the top surface and the bottom surface are the upper and lower surfaces of the mating portion.

9. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 7, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and is provided with a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom plate surfaces of the connection portion, the engagement portion of the mating electrical connector is the connection plate, the top and bottom surfaces of the connection plate are the top and bottom plate surfaces of the engagement portion, and the connection slot is shaped to be able to be engaged with and positioned on the connection plate in a front-back dual-sided manner.

10. An electronic device with a dual-sided electrical connection structure having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt-joint structure, which is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of a plurality of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are flat-contact contacts and only are flat-contact with the two front section plate surfaces, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the at least two rows of terminals are respectively abutted against or welded on a plurality of conductive contacts of the circuit board, at least one pair of contacts of the same circuit of the two connecting interfaces are electrically connected to form the same circuit, the connecting plate of the butt-joint structure can be shaped to be positioned in a connecting groove in a forward and backward bidirectional butt-joint mode, the connecting groove is provided with a top surface and a bottom surface, at least one of the connecting interface of the connecting plate is electrically connected with at least one connecting interface of the connecting plate; a sealing compound body, which is arranged on the connecting plate of the butt joint structure, and the sealing compound body is embedded into the connecting plate and combined with the at least two rows of terminals in a sealing compound way to form the connecting plate; a reinforcement structure, which is provided with a butt metal shell, the butt metal shell is sleeved and covered on the upper and lower surfaces and the left and right sides of the periphery of the rear section of the connecting plate to form an annular covering and abutting connection, and the butt metal shell protrudes a height than the at least two rows of contacts; and a locking structure, which is a locking concave part made of metal material, the locking structure is fixed on the left and right sides of the connection board, when the butt joint structure is butted with the butt joint electric connector, the locking structure can be mutually locked with a locking structure of the butt joint electric connector, and the butt joint electric connector is prevented from being separated from the butt joint direction; and

11. The electronic device with the engagement structure adapted to connect with the dual-sided electrical connection structure of claim 10, wherein the top surface and the bottom surface of the connection slot are each provided with a connection interface, and the two connection interfaces of the connection slot are electrically connected with the two connection interfaces of the connection board.

12. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure, which is provided with a circuit board, wherein the circuit board is provided with a plurality of conductive contacts; a butt-joint structure, which is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the contacts of at least one pair of the same circuits in the two connecting interfaces are electrically connected to form the same circuit, the shape of the connecting part of the butt-joint structure can be butt-jointed and positioned on a butt-joint part of a butt-joint electric connector in a positive and negative double-surface mode, the at least two rows of terminals are respectively butt-jointed or welded on a plurality of conductive contacts of the circuit board, and the two connecting interfaces of the connecting part are electrically connected with the switching circuit; and a locking structure, which is a locking concave part or a spring sheet made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated in the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate; and

13. The electronic device with the engagement structure for adapting to the double-sided electrical connection structure of claim 12, wherein the connection portion of the first double-sided electrical connection structure is the connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, and the top surface and the bottom surface are the upper and lower surfaces of the mating portion.

14. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure of claim 12, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom surfaces of the connection portion, the engagement portion of the mating electrical connector is the connection board, the top and bottom surfaces of the connection board are the top and bottom surfaces of the engagement portion, and the connection slot is shaped to be engaged with the connection board in a front-to-back dual-sided manner.

15. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt-joint structure, which is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the contacts of at least one pair of the same circuits in the two connecting interfaces are electrically connected to form the same circuit, the shape of the connecting part of the butt-joint structure can be butt-jointed and positioned on a butt-joint part of a butt-joint electric connector in a positive and negative double-surface mode, the at least two rows of terminals are respectively butt-jointed or welded on a plurality of conductive contacts of the circuit board, and the two connecting interfaces of the connecting part are electrically connected with the switching circuit; a detecting structure, which is provided with at least one detecting terminal, wherein the at least one detecting terminal is at least one terminal of the two connecting interfaces of the connecting portion, and the at least one detecting terminal is electrically connected to the circuit board; and a locking structure, which is a locking concave part or a spring piece made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated from the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate; and

16. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 15, wherein the connection portion of the first dual-sided electrical connection structure is the connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, and the top surface and the bottom surface are the upper and lower surfaces of the mating portion.

17. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 15, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the upper and lower plate surfaces of the connection portion, the mating portion of the mating electrical connector is the connection plate, the upper and lower surfaces of the connection plate are the upper and lower plate surfaces of the mating portion, and the connection slot is shaped to be mated and positioned on the connection plate in a front-to-back dual-sided manner.

18. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt-joint structure, the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface respectively comprise a connecting interface, the two connecting interfaces are respectively provided with two rows of contacts, each two rows of contacts of the two connecting interfaces are a row of first contacts and a row of second contacts, the row of second contacts are arranged between the row of first contacts, the row of first contacts are flatly attached to the upper plate surface and the lower plate surface and extend to the front of the row of second contacts, the four rows of contacts are formed on four rows of terminals, the four rows of terminals are positioned on the insulator of the butt-joint structure, at least one pair of contacts of the same circuit of the two connecting interfaces are electrically connected to form the same circuit, the shape of the connecting plate of the butt-joint structure can be butt-jointed to a butt-joint electric connector in a positive and negative direction, the four rows of terminals are respectively butt-jointed to or welded to a plurality of electric contacts of the circuit board so as to be electrically connected with the electronic unit, and the two connecting interfaces of the connecting plate are electrically connected with the switching circuit; and a locking structure, which is a locking concave part made of metal material, the locking structure is fixed on the left and right sides of the connection board, when the butt joint structure is butted with the butt joint electric connector, the locking structure can be mutually locked with a locking structure of the butt joint electric connector, and the butt joint electric connector is prevented from being separated from the butt joint direction; and

19. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt-joint structure, wherein the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the insulating system of the butt-joint structure is provided with an upper insulating base body and a lower insulating base body, the at least two rows of terminals are respectively embedded into a plastic injection molding and positioned on the upper insulating base body and the lower insulating base body, the contacts of at least one pair of the same circuits in the two connecting interfaces are electrically connected to form a same circuit, the shape of the connecting part of the butt-joint structure can be butt-jointed and positioned on a butt-joint part of a butt-joint electric connector in a forward and backward direction, the at least two rows of terminals are respectively abutted against or welded on a plurality of conductive contacts of the circuit board, and the two connecting interfaces are electrically connected to the switching circuit; and a locking structure, which is a locking concave part or a spring piece made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated from the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate; and

20. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 19, wherein the connection portion of the first dual-sided electrical connection structure is a connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface.

21. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure of claim 19, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom surfaces of the connection portion, the engagement portion of the mating electrical connector is the connection board, and the connection slot is shaped to be engaged with the connection board in a double-sided manner.

22. The electronic device with the adaptor of claim 19, wherein the mating portion has an upper plate and a lower plate, the upper plate and the lower plate each having a connection interface, and the two connection interfaces of the mating portion are electrically connected to the two connection interfaces of the connection portion.

23. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 22, wherein the connection portion of the first dual-sided electrical connection structure is the connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the upper and lower surfaces of the mating portion.

24. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure of claim 22, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom surfaces of the connection portion, the engagement portion of the mating electrical connector is the connection board, the top and bottom surfaces of the connection board are the top and bottom surfaces of the engagement portion, and the connection slot is shaped to be engaged with the connection board in a front-to-back dual-sided manner.

25. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure, which is provided with a circuit board, wherein the circuit board is provided with a plurality of conductive contacts; a butt-joint structure, wherein the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of connecting points, the at least two rows of connecting points are respectively provided with at least two connecting points of different circuits, the at least two rows of connecting points are formed on at least two rows of terminals, the at least two rows of terminals are provided with at least one row of pins, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the connecting points of at least one pair of the same circuits in the two connecting interfaces are electrically connected to form a same circuit, and the shape of the connecting part of the butt-joint structure can be butt-jointed and positioned on a butt-joint part of a butt-joint electric connector in a positive and negative double-sides; a sleeving groove, which is arranged at the rear section of the insulator, the front section of the circuit board is sleeved and clamped in the sleeving groove, the sleeving groove is abutted against the upper surface and the lower surface of the front section of the circuit board or the sleeving groove is abutted against the left side surface, the right side surface and the upper surface and the lower surface of the front section of the circuit board, the at least one row of pins are respectively abutted against or welded on a plurality of conductive contacts of the circuit board, and the circuit board is electrically connected with the two connecting interfaces and the adapting circuit; and a locking structure, which is a locking concave part or a spring piece made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated from the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate; and

26. The electronic device with the engagement structure for adapting to the dual-sided electrical connection structure of claim 25, wherein the connection portion of the first dual-sided electrical connection structure is a connection board, the top and bottom surfaces of the connection board are the top and bottom surfaces of the connection portion, the engagement portion of the electrical connector is a connection slot, the connection board is shaped to be engaged with the connection slot in a front-to-back dual-sided manner, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface.

27. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure of claim 25, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom surfaces of the connection portion, the engagement portion of the mating electrical connector is the connection board, and the connection slot is shaped to be engaged with the connection board in a double-sided manner.

28. The electronic device adapted to the double-sided electrical connection structure with locking structure as claimed in claim 25, wherein the mating portion has an upper plate and a lower plate, the upper plate and the lower plate each having a connection interface, the two connection interfaces of the mating portion being electrically connected to the two connection interfaces of the connection portion.

29. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 28, wherein the connection portion of the first dual-sided electrical connection structure is the connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the upper and lower surfaces of the mating portion.

30. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 28, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the upper and lower plate surfaces of the connection portion, the mating portion of the mating electrical connector is the connection plate, the upper and lower surfaces of the connection plate are the upper and lower plate surfaces of the mating portion, and the connection slot is shaped to be mated and positioned on the connection plate in a front-to-back dual-sided manner.

31. An electronic device with a dual-sided electrical connection structure having a locking structure, comprising:

a switching circuit;

at least one first double-sided electric connection structure, which is provided with a circuit board, wherein the circuit board is provided with two groups of conductive contacts which are respectively arranged on different sides of the circuit board; a butt-joint structure, wherein the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least one contact of a power circuit and at least one contact of a grounding circuit, the at least two rows of contacts are flat-pasted contacts only on the two front section plate surfaces of the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least two rows of terminals, the insulation system of the butt joint structure is provided with an upper insulation seat body and a lower insulation seat body, the at least two rows of terminals are respectively embedded into the upper insulation seat body and the lower insulation seat body of the butt joint structure, the upper insulation seat body and the lower insulation seat body are respectively superposed on the upper surface and the lower surface of the front section of the circuit board, at least one pair of contacts of the same circuit in the two connection interfaces are electrically connected to form the same circuit, the shape of the connecting plate of the butt joint structure can be butt-jointed and positioned on a pair of electric connectors in a front-back double-surface mode, the at least two rows of terminals are respectively abutted against or welded on two groups of electric contacts of the circuit board, and the circuit board is electrically connected with the two connection interfaces of the connecting plate and the adapting circuit; a sealing compound, which is formed by sealing at least one of the upper and lower surfaces of the circuit board with a sealing compound, and the at least two rows of contacts are exposed out of the upper and lower surfaces of the connecting board, respectively, the sealing compound is embedded into at least one of the upper and lower insulating base bodies and combined with the circuit board, so as to enhance the strength of the connecting board; and a locking structure, which is a locking concave part made of metal material, the locking structure is fixed on the left and right sides of the connection board, when the butt joint structure is butted with the butt joint electric connector, the locking structure can be mutually locked with a locking structure of the butt joint electric connector, and the butt joint electric connector is prevented from being separated from the butt joint direction; and

32. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt joint structure, the butt joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are flat-pasted contacts only on the two front section plate surfaces of the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt joint structure, the contacts of at least one pair of same circuits in the two connecting interfaces of the connecting plate are electrically connected to form a same circuit, the connecting plate of the butt joint structure can be positioned on a butt joint connector in a positive and negative double surfaces, the at least two rows of terminals are respectively abutted against or welded on two groups of electric contacts of the circuit board, and the circuit board is electrically connected with the two connecting interfaces of the connecting plate and the switching circuit; a metal partition plate positioned in the middle of the connection plate or separating the two connection interfaces, so as to enhance the strength of the connection plate; and a locking structure, which is a locking concave part made of metal material, the locking structure is fixed on the left and right sides of the connecting plate, when the butt joint structure and the butt joint electric connector are mutually butted, the locking structure can be mutually locked with a locking structure of the butt joint electric connector, and the butt joint electric connector is prevented from being separated from the butt joint direction; and

33. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt-joint structure, wherein the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with two contacts of different circuits, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, at least one pair of contacts of the same circuit in the two connecting interfaces are electrically connected to form a same circuit, the shape of the connecting part of the butt-joint structure can be used for butt-joint positioning a butt-joint part of a pair of electric connectors in a forward and reverse direction, the at least two rows of terminals are respectively abutted against or welded on a plurality of electric contacts of the circuit board, and the two connecting interfaces of the connecting part are electrically connected with the adapter circuit; a metal spacer positioned in the middle of the insulator or separating the two rows of terminals or the two connection interfaces; and a locking structure, which is a locking concave part or a spring sheet made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated in the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate; and

34. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 33, wherein the connection portion of the first dual-sided electrical connection structure is the connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the upper and lower surfaces of the mating portion.

35. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 33, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the upper and lower plate surfaces of the connection portion, the mating portion of the mating electrical connector is the connection plate, the upper and lower surfaces of the connection plate are the upper and lower plate surfaces of the mating portion, and the connection slot is shaped to be mated and positioned on the connection plate in a front-to-back dual-sided manner.

36. An electronic device with a dual-sided electrical connection structure having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure, which is provided with a circuit board, wherein the circuit board is provided with two groups of conductive contacts, and the two groups of conductive contacts are respectively arranged on different surfaces of the circuit board; a butt-joint structure, which is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least one contact of a power circuit and at least one contact of a grounding circuit, the at least two rows of contacts are flat-pasted contacts which are only pasted on the two front section plate surfaces of the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least two rows of terminals, the insulator of the butt-joint structure is provided with an upper insulating base body and a lower insulating base body, the at least two rows of terminals are respectively embedded into a plastic injection molding and positioned on the upper insulating base body and the lower insulating base body of the butt-joint structure, the two rows of contacts of the same circuit are electrically connected to form a same circuit, the shape of the connecting plate can be in a forward and backward butt-joint positioning butt-joint connector, the two rows of the two groups of contacts are electrically connected to the connecting plate; a reinforcement structure, which is provided with a butt metal shell, and is disposed on the butt structure, the butt metal shell is sleeved with the front side, the upper and lower surfaces, and the left and right sides of the joint plate periphery for covering and abutting, so as to enhance the strength of the butt structure, and the butt metal shell is annularly covered and abutted on the rear section of the joint plate, so that only the two front section plate surfaces and the two rows of contacts of the upper and lower plate surfaces are exposed; and a locking structure, which is a locking concave part made of metal material, the locking structure is integrally arranged at the left and right sides of the butt metal shell, when the butt structure is mutually butted with the butt electric connector, the locking structure can be mutually locked with one locking structure of the butt electric connector, and the butt electric connector is prevented from being separated from the butt direction; and

37. An electronic device with a dual-sided electrical connection structure having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt-joint structure, wherein the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is a connecting plate, the connecting plate is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are respectively provided with at least two contacts of different circuits, the at least two rows of contacts are flatly attached to the upper plate surface and the lower plate surface of the connecting plate, the at least two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the two connecting interfaces of the connecting plate are electrically connected with at least one pair of contacts of the same circuit to form the same circuit, the shape of the connecting plate of the butt-joint structure can be butt-jointed with a pair of connectors in a forward and backward direction, the at least two rows of terminals are respectively abutted against or welded on a plurality of conductive contacts of the circuit board, and the two connecting interfaces of the connecting plate are electrically connected with the adapting circuit; a reinforcing structure, which is at least provided with two metal plates abutting against the left and right sides of the connecting plate to enhance the strength of the connecting plate; and a locking structure, which is a locking concave part made of metal material, the locking structure is integrally arranged on the two metal plate bodies, when the butting structure and the butting electric connector are butted, the locking structure can be mutually locked with a locking structure of the butting electric connector, and the butting electric connector is prevented from being separated from the butting direction; and

38. The electronic device with the adaptor of claim 37, wherein the two metal plates are each provided with two upper and lower metal plates, and the two upper and lower metal plates are not recessed in the two upper and lower metal plates of the connecting plate.

39. The electronic device with the locking structure adapted to the double-sided electrical connection structure of claim 37, wherein the reinforcing structure is a metal shell, the left and right side plates of the metal shell are two metal plates, the metal shell is sleeved on the upper and lower surfaces and the left and right sides of the rear section of the connecting plate to form a ring-shaped covering and abutting, and the height of the metal shell is higher than the height of the at least two rows of contacts.

40. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure, which is provided with a circuit board, wherein the circuit board is provided with a plurality of conductive contacts; a butt joint structure, the butt joint structure having an insulator, the insulator having a connection portion, the connection portion having an upper plate and a lower plate, at least one of the upper and lower plates having a connection interface, the connection interface having at least one row of a plurality of different circuits and no lower than the contacts of the upper and lower plates, the at least one row of contacts having at least one contact of a grounding circuit and at least one pair of contacts of a signal circuit, the at least one row of contacts being spring contacts protruding from the upper plate or the lower plate, the at least one row of contacts being formed on the at least one row of terminals, the at least one row of terminals being positioned on the insulator of the butt joint structure, the at least one row of terminals being respectively abutted against or soldered to the plurality of conductive contacts of the circuit board, the connection interface being electrically connected to the connection circuit, the connection portion of the butt joint structure having a shape capable of being abutted against and positioned against one of the electrical connectors in both directions, the butt joint portion having two upper and lower rows of contacts, the upper and lower two rows of contacts being electrically connected to the same electrical connector, the two rows of contacts being electrically connected to the at least one of the two connection interfaces, the two rows of the upper and the two rows of contacts being electrically connected to the same electrical connector; a locking structure, which is a locking concave part or a spring piece made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butted with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated in the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate; and a detecting structure, which is provided with at least one detecting terminal, and the at least one detecting terminal is electrically connected to the circuit board; and at least one second electrical connection structure having a connection structure, the connection structure having an insulator, the insulator having a connection portion, the connection portion having a board, the board having a connection interface, the connection interface having at least one row of contacts, the at least one row of contacts being formed on at least one row of terminals, the at least one row of terminals being positioned on the insulator of the connection structure, the connection interface being electrically connected to the adapter circuit and electrically connected to two connection interfaces of the at least one first dual-sided electrical connection structure.

41. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure of claim 40, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and is provided with a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom plate surfaces of the connection portion, the mating portion of the mating electrical connector is the connection plate, the top and bottom surfaces of the connection plate are the top and bottom plate surfaces of the mating portion, and the connection slot is shaped to be positioned on the connection plate of the mating electrical connector in a front-to-back dual-sided mating manner.

42. The electronic device adapted with the engagement structure of the double-sided electrical connection structure of claim 41, wherein the top and bottom surfaces of the connection slot are respectively provided with the connection interface, at least one pair of contacts of the same circuit in the two connection interfaces is electrically connected, the at least two rows of contacts protrude from the top and bottom surfaces and can be sprung, the at least two rows of contacts are formed on at least two rows of terminals, and the two connection interfaces of the connection board are electrically connected to the two connection interfaces of the connection slot.

43. The electronic device with the engagement structure for adapting to a dual-sided electrical connection structure as claimed in claim 41, wherein the connection board of the first dual-sided electrical connection structure has a metal shell, the metal shell is sleeved on the front side of the connection board, the two sides of the upper and lower surfaces and the two sides of the left and right sides, the metal shell is annularly wrapped on the rear section of the connection board, the middle parts of the front sections of the upper and lower surfaces and the two rows of contacts are exposed, and the two sides of the metal shell have an engagement recess; or wherein the connection board of the pair of electrical connectors of the first double-sided electrical connection structure is provided with an insulator metal shell, the insulator metal shell only covers the insulator at the rear end of the connection board and is sleeved and abutted against the upper and lower surfaces and the left and right sides of the insulator, and the front section of the insulator metal shell is in contact connection with the rear section of the pair of metal shells.

44. The electronic device adapted to be connected to a double-sided electrical connector with a locking structure as claimed in any one of claims 40-43, wherein at least one pair of contacts aligned up and down of the two connecting interfaces of the mating electrical connector of the first double-sided electrical connector are electrically connected to each other, and a detecting structure is provided to detect the direction of the electrical connection; or wherein the first double-sided electrical connection structure of the butt electrical connector further has a detection structure, an electronic unit and a circuit board, the two connection interfaces of the butt electrical connector and the electronic unit are all electrically connected to the circuit board, the electronic unit includes a control circuit, the detection structure has at least one detection terminal, the at least one detection terminal is at least one terminal of the two connection interfaces, the at least one detection terminal is electrically connected to the circuit board, the detection function is completed by the electrical conduction of the at least one detection terminal, the detection structure makes the control circuit select to adopt the forward and reverse corresponding circuit transmission, or makes the control circuit perform the appropriate circuit safety protection, or makes the control circuit perform the switching of different corresponding circuits.

45. The electronic device adapted with the engagement structure of any one of claims 40-43, wherein the two connection interfaces of the mating electrical connector of the first dual-sided electrical connection structure are contacts of the same circuit; or the contacts of the same circuit in the two connection interfaces of the pair of electrical connectors of the first dual-face electrical connection structure are arranged in opposite directions; or the contacts of the same circuit in the two connection interfaces of the two opposite electrical connectors of the first dual-face electrical connection structure are electrically connected to form the same set of circuit.

46. The electronic device adapted to the double-sided electrical connection structure with locking structure of claim 15, 16 or 17, wherein the number of the at least one detection terminal is at least two, and the at least two detection terminals are at least one terminal of the two connection interfaces of the first double-sided electrical connection structure, respectively.

47. An electronic device with a dual-sided electrical connection structure adapter having a locking structure, comprising:

a switching circuit;

at least one first double-sided electrical connection structure having a circuit board with a plurality of conductive contacts; a butt-joint structure, the butt-joint structure is provided with an insulator, the insulator is provided with a connecting part, the connecting part is provided with an upper plate surface and a lower plate surface, the upper plate surface and the lower plate surface are respectively provided with a front section plate surface and a rear section plate surface, the upper plate surface and the lower plate surface are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the two rows of contacts are respectively provided with at least two contacts of different circuits, the two rows of contacts are formed on at least two rows of terminals, the at least two rows of terminals are positioned on the insulator of the butt-joint structure, the two connecting interfaces are electrically connected with at least one pair of contacts of the same circuit to form the same circuit, the shape of the connecting part of the butt-joint structure can be used for butt-joint positioning one butt-joint part of a pair of electric connectors in a forward and backward direction, the at least two rows of terminals are respectively abutted against or welded on a plurality of electric conduction contacts of the circuit board, and the two connecting interfaces are electrically connected with the switching circuit; and a locking structure, which is a locking concave part or a spring sheet made of metal material, the locking structure is arranged at the left and right sides of the connecting part, when the connecting part of the butt joint structure is butt jointed with the butt joint part of the butt joint electric connector, the locking structure can be mutually locked with one locking structure of the butt joint part to prevent the butt joint electric connector from being separated in the opposite butt joint direction, one of the connecting part and the butt joint part is a connecting plate, the locking structure arranged on the connecting plate is a locking concave part made of metal material and is fixedly arranged at the left and right sides of the connecting plate; and

48. The electronic device with the adaptor of claim 47, wherein the connecting portion of the first double-sided electrical connecting structure is a connecting plate, the upper and lower surfaces of the connecting plate are the upper and lower surfaces of the connecting portion, the adaptor of the electric connector is a connecting slot, the connecting plate is shaped to be positioned in the connecting slot by two-sided and opposing, the front end of the connecting slot is an insertion opening and has a top surface and a bottom surface.

49. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 47, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom surfaces of the connection portion, the engagement portion of the mating electrical connector is the connection board, and the connection slot is shaped to be engaged with and positioned on the connection board in a front-to-back dual-sided manner.

50. The electronic device adapted to connect with the double-sided electrical connection structure with locking structure as claimed in claim 47, wherein the docking portion has an upper plate and a lower plate, the upper plate and the lower plate each having a connection interface, the two connection interfaces of the docking portion are electrically connected to the two connection interfaces of the connection portion.

51. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure as claimed in claim 50, wherein the connection portion of the first dual-sided electrical connection structure is the connection board, the upper and lower surfaces of the connection board are the upper and lower surfaces of the connection portion, the mating portion of the mating electrical connector is a connection slot, the connection board is shaped to be positioned in the connection slot by two-sided mating, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the upper and lower surfaces of the mating portion.

52. The electronic device with the engagement structure for adapting a dual-sided electrical connection structure of claim 50, wherein the connection portion of the first dual-sided electrical connection structure is a connection slot, the front end of the connection slot is an insertion opening and has a top surface and a bottom surface, the top surface and the bottom surface are the top and bottom surfaces of the connection portion, the engagement portion of the mating electrical connector is the connection board, the top and bottom surfaces of the connection board are the top and bottom surfaces of the engagement portion, and the connection slot is shaped to be engaged with the connection board in a front-to-back dual-sided manner.

53. The electronic device with the adaptor structure of any one of claims 1-43 and 47-52, wherein the at least one second electrical connection structure is at least one second electrical connection structure, the second electrical connection structure is provided with a mating structure, the mating structure is provided with an insulator, the insulator is provided with a connecting portion, the connecting portion is provided with an upper plate and a lower plate, the upper plate and the lower plate are respectively provided with a connecting interface, the two connecting interfaces are respectively provided with at least one row of contacts, the at least two rows of contacts are formed on at least one row of terminals, the at least one row of terminals are located on the insulator of the mating structure, at least one pair of contacts of the same circuit in the two connecting interfaces are electrically connected to form a same circuit, the mating structure is shaped to enable bidirectional mating positioning of a mating connector, and the two connecting interfaces are electrically connected to the adaptor circuit and are electrically connected to two connecting interfaces of the at least one first electrical connection structure.

54. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein at least one pair or at least two pairs or at least four pairs of contacts of the same circuit in the two connection interfaces of the first double-sided electrical connection structure are arranged in opposite directions; or wherein the two connection interfaces of the first dual-side electrical connection structure are respectively provided with a contact of a grounding circuit and a contact of a power circuit, and the contacts of the same grounding circuit and the contacts of the same power circuit in the two connection interfaces are arranged in opposite directions; or wherein the contacts of the same circuit in the two connection interfaces of the first double-sided electrical connection structure are arranged in opposite directions; or wherein the contacts of the same circuit in the two connection interfaces of the first double-sided electrical connection structure are arranged in reverse order; or wherein the contacts of the same circuit in the two connection interfaces of the first double-sided electrical connection structure are arranged in reverse order; or wherein the two connection interfaces of the first double-sided electrical connection structure are the contacts of the same circuit and are arranged in reverse order.

55. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the two connection interfaces of the first double-sided electrical connection structure are respectively provided with a contact of a ground circuit and a contact of a power circuit, and the two connection interfaces are electrically connected to the contact of the same ground circuit and the contact of the same power circuit; or wherein the contacts of at least two pairs of the same signal circuits of the two connection interfaces of the first double-sided electrical connection structure are electrically connected; or wherein the contacts of the same circuit in the two connection interfaces of the first double-sided electrical connection structure are electrically connected; or the two connection interfaces of the first double-sided electrical connection structure are the contacts of the same circuit and the contacts of the same circuit are electrically connected in series to form a set.

56. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the first double-sided electrical connection structure is provided with an electronic unit, the electronic unit includes a control circuit, the electronic unit is electrically connected to the circuit board and electrically connected to the plurality of conductive contacts.

57. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein at least two pairs or at least four pairs of contacts aligned up and down of the two connection interfaces of the first double-sided electrical connection structure are electrically connected to each other; or at least one pair of contacts of the same circuit in the two connection interfaces of the first double-sided electrical connection structure are electrically connected and at least one pair of contacts aligned up and down are electrically connected; or at least one pair of the same circuit and the contacts aligned up and down of the two connection interfaces of the first double-sided electrical connection structure are electrically connected.

58. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the two connection interfaces of the first double-sided electrical connection structure are electrically connected to the connection portion by at least one pair or at least two pairs or at least four pairs of contacts of the same circuit; or wherein the contacts of the same circuit in the two connection interfaces of the first double-sided electrical connection structure are electrically connected with the docking structure; or wherein the contacts of the same circuit or the same ground circuit and the contacts of the same power circuit of the two connection interfaces of the first double-sided electrical connection structure are electrically connected in series to form a set of circuit respectively in the docking structure.

59. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the two connection interfaces of the first double-sided electrical connection structure have the contacts of the same circuit electrically connected to the front section of the connection portion; or wherein at least one pair or at least two pairs or at least four pairs of contacts of the same circuit of the two connection interfaces of the first double-sided electrical connection structure are electrically connected with the front section of the connection part; or the two connection interfaces of the first double-sided electrical connection structure have the contacts of the same circuit or the same grounding circuit and the contacts of the same power circuit electrically connected in series to form a set of circuit at the front section of the connection part.

60. The electronic device adapted to the dual-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the upper and lower board surfaces of the first dual-sided electrical connection structure are respectively provided with a front-low and rear-high abutting portion disposed front and rear, the front-low and rear-high abutting portions of the upper and lower board surfaces respectively comprise the connection interface, and each is provided with only one row of pins; or wherein the upper and lower board surfaces of the first double-sided electrical connection structure are respectively provided with a front-low back-high butt joint portion arranged in front and back, the front-low back-high butt joint portions of the upper and lower board surfaces respectively comprise the connection interface and are respectively provided with only one row of pins, and the front-low back-high butt joint portions are high and low contacts; or wherein the upper and lower board surfaces of the first dual-side electrical connection structure are respectively provided with contacts arranged in front and back, the contacts arranged in front and back of the upper and lower board surfaces respectively include the connection interface and are respectively provided with only one row of pins; or wherein the upper and lower board surfaces of the first double-sided electrical connection structure are respectively provided with two rows of contacts arranged in a front-back manner, the two rows of contacts arranged in the front-back manner of the upper and lower board surfaces respectively comprise the connection interface and are respectively provided with only one row of pins; or wherein the upper and lower board surfaces of the first double-sided electrical connection structure are respectively provided with a front section board surface and a rear section board surface, the front section board surface has a thinner maximum thickness and the rear section board surface has a thicker maximum thickness, the connection part is shaped to be positioned in a butt-joint portion of the butt-joint electrical connector in a forward and reverse two-way butt-joint manner, the butt-joint portion is provided with an upper board surface and a lower board surface, the upper and lower board surfaces are respectively provided with at least one row of contacts, and the upper and lower board surfaces of the butt-joint portion are respectively electrically connected with the two connection interfaces in at least one row of contacts.

61. The electronic device adapted to the dual-sided electrical connection structure with locking structure of claim 3, 6, 9, 14, 17, 21, 24, 27, 30, 35, 41, 42, 43, 49, 52, wherein the upper and lower board surfaces of the first dual-sided electrical connection structure are respectively provided with a front-low back-high abutting portion disposed in front and back, the front-low back-high abutting portions of the upper and lower board surfaces respectively comprise the connection interface, the abutting electrical connector is an electrical connection female socket, and a tongue piece of the electrical connection female socket is the abutting portion; or wherein the upper and lower board surfaces of the first double-sided electrical connection structure are respectively provided with a front-back contact, the front-back contacts of the upper and lower board surfaces respectively comprise the connection interface, the mating electrical connector is an electrical connection female socket, and a tongue piece of the electrical connection female socket is the mating part; or wherein the upper and lower plate surfaces of the first double-sided electrical connection structure are respectively provided with two rows of contacts arranged in a front-back manner, the two rows of contacts arranged in the front-back manner include the connection interface, the butt-joint electrical connector is an electrical connection female socket, and the tongue piece of the electrical connection female socket is the butt-joint part; or, the upper and lower plate surfaces of the first double-sided electrical connection structure are respectively provided with a front section plate surface and a rear section plate surface, the front section plate surface has a smaller maximum thickness and the rear section plate surface has a larger maximum thickness, the butt electrical connector is an electrical connection female socket, and the tongue piece of the electrical connection female socket is the butt joint portion.

62. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein at least two rows of contacts of the first double-sided electrical connection structure are provided with at least one row of horizontal pins; or wherein two connection interfaces of the first double-sided electrical connection structure are respectively provided with at least one row of a plurality of contacts not lower than the upper and lower plate surfaces; or wherein two connection interfaces of the first double-sided electrical connection structure are respectively provided with at least one row of multiple contacts which are flush with or protrude from the upper and lower plate surfaces in the same height; or wherein the upper and lower plate surfaces of the first double-sided electrical connection structure are respectively provided with at least two grounding contacts arranged in front and at back; or wherein the upper and lower board surfaces of the first double-sided electrical connection structure are respectively provided with at least two grounding contacts arranged in front and at back and only one row of pins.

63. The electronic device adapted to the dual-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the upper and lower board surfaces of the first dual-sided electrical connection structure are respectively provided with contacts disposed in front and at the back, and the rear contacts are a row of resilient contacts, the two rows of contacts respectively protrude from the upper and lower board surfaces and can be resiliently moved up and down; or wherein the upper and lower plate surfaces of the first double-sided electrical connection structure are respectively provided with a front and a rear contact, the front contact is a row of flat contact, and the two rows of contacts are respectively flat contact with the upper and lower plate surfaces and cannot be bounced.

64. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the second electrical connection structure further comprises a circuit board and an electronic unit, the circuit board has a plurality of conductive contacts, the at least one row of terminals or the at least two rows of terminals respectively abut against or are soldered to the plurality of conductive contacts of the circuit board, the circuit board is electrically connected to the adapting circuit, the electronic unit includes a control circuit, the electronic unit is electrically connected to the circuit board and is electrically connected to the plurality of conductive contacts.

65. The electronic device adapted to any of claims 1-43 and 47-52, wherein the plurality of conductive contacts of the circuit board of the first double-sided electrical connection structure are two sets of conductive contacts, the two sets of conductive contacts are respectively disposed on different sides of the circuit board, and the at least two rows of terminals are respectively abutted or soldered to the two sets of conductive contacts of the circuit board; or wherein the first double-sided electrical connection structure comprises a safety circuit arrangement means provided with at least one circuit safety protection component.

66. The electronic device adapting to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein at least two rows of contacts of the first double-sided electrical connection structure are electrically connected to form the same circuit; or wherein at least two rows of contacts of the first dual-side electrical connection structure are electrically connected to form the same circuit by at least two pairs of contacts of the same signal circuit through multiple conductive contacts of the circuit board; or wherein at least one or two pairs of the plurality of conductive contacts of the first double-sided electrical connection structure are electrically connected with a single signal transmission circuit; or wherein at least two rows of contacts of the first double-sided electrical connection structure are used to transmit at least two or four pairs of independent signal circuits; or at least two rows of contacts of the first double-sided electrical connection structure are respectively used for transmitting at least one pair or two pairs of independent signal circuits on the upper and lower plate surfaces; or wherein the rear end of the insulator of the first double-sided electrical connection structure is provided with at least one row of bonding pads, and the two connection interfaces are electrically connected to the at least one row of bonding pads; or wherein the circuit board of the first double-sided electrical connection structure has at least one row of pads; or wherein two connection interfaces of the first double-sided electrical connection structure are electrically connected to at least two pairs of independent signal transmission circuits; or wherein two connection interfaces of the first double-sided electrical connection structure are electrically connected to at least one pair of independent signal transmission circuits respectively; or wherein two connection interfaces of the first double-sided electrical connection structure are electrically connected to at least two pairs of independent signal transmission circuits respectively.

67. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the upper and lower board surfaces of the first double-sided electrical connection structure are respectively provided with contacts disposed in front and at back, the contacts behind the upper and lower board surfaces are two rows of contacts of the two connection interfaces, respectively, the two rows of contacts protrude from the upper and lower board surfaces and can be sprung up and down; or wherein the upper and lower plates of the first dual-face electrical connection structure are respectively provided with contacts arranged in the front and back direction, the front contacts of the upper and lower plates are two rows of contacts of the two connection interfaces, the two rows of contacts are planar contacts which cannot be bounced and have longer sides.

68. The electronic device with the adaptor of the double-sided electrical connection structure with the card structure as claimed in any one of claims 1-43 and 47-52, wherein the two connection interfaces of the first double-sided electrical connection structure are USB signal connection interface, USB2.0 signal connection interface, or USB3.0 signal connection interface; or wherein two connection interfaces of the first double-sided electrical connection structure are USB signal connection interfaces or USB2.0 signal connection interfaces or USB3.0 signal connection interfaces; or wherein two connection interfaces of the first double-sided electrical connection structure are both electrically connected to the double-connection interfaces of the butt electrical connector, and the two connection interfaces are USB signal connection interfaces or USB2.0 signal connection interfaces or USB3.0 signal connection interfaces; or wherein two connection interfaces of the first double-sided electrical connection structure are both electrically connected to the double-connection interfaces of the butt electrical connector, and the two connection interfaces are both USB signal connection interfaces or USB2.0 signal connection interfaces or USB3.0 signal connection interfaces.

69. The electronic device with the adaptor of the double-sided electrical connection structure with the locking structure as claimed in any one of claims 1-3, 12-17, and 33-35, wherein the docking portion has upper and lower plates, each of the upper and lower plates has a connection interface, and two connection interfaces of the docking portion are electrically connected to the two connection interfaces of the connection portion.

70. The electronic device adapted to the double-sided electrical connection structure with locking structure of claim 56, wherein the first double-sided electrical connection structure has a detection structure with at least one detection terminal, the at least one detection terminal is at least one terminal of the two connection interfaces, and the at least one detection terminal is electrically connected to the circuit board.

71. The electronic device adapted with the engagement structure of the electrical connection structure of any one of claims 18, 31-32, 36-39, wherein the mating electrical connector has a connection slot, the connection slot has an insulative top surface and a bottom surface, each of the top surface and the bottom surface has a connection interface, and the two connection interfaces of the connection slot are electrically connected to the two connection interfaces of the connection board.

72. The electronic device adapted with the locking structure of the double-sided electrical connection structure of any one of claims 1-43 and 47-52, wherein the first double-sided electrical connection structure is provided with a reinforcement structure, which is provided on the docking structure to enhance the strength of the docking structure, the reinforcement structure is provided with a metal shell, a reinforcement plate, a solder plate, a socket, a sealant, or a combination of at least two of the foregoing; or wherein the first double-sided electrical connection structure is provided with a reinforcement structure, the reinforcement structure is arranged on the connection part, so as to enhance the strength of the connection part; or the first double-sided electric connection structure is provided with a reinforcing structure, wherein the reinforcing structure is arranged on the connecting part or the circuit board, and the strength of the connecting part is enhanced by combining the connecting part and the circuit board through the reinforcing structure.

73. The electronic device adapted to be connected to a double-sided electrical connection structure with a locking structure as claimed in any one of claims 1-43 and 47-52, wherein the first double-sided electrical connection structure is provided with a reinforcing structure, the reinforcing structure is provided with an insulator metal shell, the insulator metal shell covers only the insulator at the rear end of the connection portion and is sleeved and abutted against the upper and lower surfaces and two side edges of the insulator to form an annular covering and abutting; or wherein the first double-sided electrical connection structure is provided with a reinforcement structure, the reinforcement structure is provided with a butt metal shell, the butt metal shell is sleeved and abutted against the upper and lower surfaces and the left and right sides of the connection part, the reinforcement structure is further provided with an insulator metal shell, the insulator metal shell only wraps an insulator at the rear end of the connection part and is sleeved and abutted against the upper and lower surfaces and the left and right sides of the insulator, and the front section of the insulator metal shell is in contact connection with the rear section of the butt metal shell.

74. The electronic device adapted to be connected to a dual-sided electrical connection structure with a locking structure as claimed in any one of claims 1-43 and 47-52, wherein the first dual-sided electrical connection structure is provided with a reinforcement structure, the reinforcement structure is provided with a metal shell, and the metal shell is sleeved on and covers the upper and lower surfaces and the left and right sides of the periphery of the connection structure; or wherein the first double-sided electrical connection structure is provided with a reinforcement structure, the reinforcement structure is provided with a butt metal shell, and the butt metal shell is sleeved and covered on the upper and lower surfaces and the left and right sides of the periphery of the connection part; or the first double-sided electric connection structure is provided with a reinforcing structure, the reinforcing structure is provided with a butt metal shell, the butt metal shell is sleeved and covered on the upper surface, the lower surface, the left side and the right side of the periphery of the connecting part in a covering and abutting mode, the butt metal shell is sleeved and covered on the front surface, the upper surface, the lower surface, the left side and the right side of the periphery of the connecting part in a covering and abutting mode, and the butt metal shell is annularly covered and abutted on the rear section of the connecting part in a covering and abutting mode.

75. The electronic device adapted with the double-sided electrical connection structure with locking structure of claim 2, 5, 8, 10, 11, 13, 16, 18, 20, 23, 26, 29, 31, 32, 34, 36, 37, 38, 39, 48, 51, wherein the first double-sided electrical connection structure is provided with a reinforcement structure, the reinforcement structure is provided with a butt metal shell, the butt metal shell only covers and covers the upper and lower surfaces of the rear section of the connection board, and the butt metal shell protrudes a height higher than the at least two rows of contacts.

76. The electronic device adapted with the double-sided electrical connection structure with locking structure according to claim 2, 5, 8, 10, 11, 13, 16, 18, 20, 23, 26, 29, 31, 32, 34, 36, 37, 38, 39, 48, 51, wherein the first double-sided electrical connection structure is provided with a reinforcement structure, the reinforcement structure is provided with a butt-joint metal shell, and the butt-joint metal shell is sleeved and covered on the upper and lower surfaces of the periphery of the connection board; or a reinforcing structure is provided therein, the reinforcing structure is provided with a butt metal shell, and the butt metal shell is sleeved on the upper and lower faces and the left and right sides of the periphery of the butt joint plate in a covering manner.

77. The electronic device adapted to be connected to a double-sided electrical connection structure with a locking structure as claimed in claim 76, wherein the metal shell is annularly wrapped around the rear section of the connection board, and the middle parts of the front sections of the upper and lower boards and the two rows of contacts are exposed, and the locking recesses are integrally formed on the left and right sides of the metal shell; or wherein the butt metal shell protrudes a height above the at least two rows of contacts; or wherein the butt metal shell is at least sleeved and covered and abutted against the upper and lower faces and the left and right side edges of the periphery of the rear section of the connecting plate to form annular covering and abutting; or wherein the butt metal shell is only sleeved and covered on the upper and lower surfaces and the left and right side edges of the periphery of the rear section of the connecting plate; or wherein the height of the butt metal shell is equal to the height of the most convex surface of the connecting plate; or wherein the height of the butt metal shell is equal to and flush with the height of the most convex surface of the connecting plate, and the two rows of contacts are recessed in the most convex surface of the connecting plate; or wherein the upper and lower plate surfaces of the connecting plate are flush with the two rows of contacts at the same height; or wherein the two rows of contacts protrude out of the upper and lower plate surfaces of the connecting plate; or the two rows of contacts are flat contacts with longer two sides, and the butt metal shell protrudes a height than the two rows of contacts.

78. The electronic device with the adaptor of any one of claims 1-6, 10-31, 36-43, and 47-52, wherein the first double-sided electrical connection structure is provided with a metal spacer, the metal spacer is disposed in the middle of the thickness of the insulator or the metal spacer separates at least two rows of terminals of the two connection interfaces.

79. The electronic device adapted with the double-sided electrical connection structure with locking structure of claim 2, 5, 10, 11, 13, 16, 18, 20, 23, 26, 29, 31, 36, 37, 38, 39, 48, 51, wherein the first double-sided electrical connection structure is provided with a metal partition plate, the metal partition plate is located in the middle of the connection plate or the metal partition plate separates the two connection interfaces.

80. The electronic device with the adaptor of any one of claims 1-24, 31-43, and 47-52, wherein the rear section of the insulator of the first double-sided electrical connection structure is provided with a socket slot, and the front section of the circuit board is engaged with the socket slot, wherein the socket slot abuts against the top and bottom surfaces of the front section of the circuit board or the socket slot abuts against the left and right side surfaces and the top and bottom surfaces of the front section of the circuit board.

81. The electronic device for adapting a dual-sided electrical connection structure with an engaging structure according to claim 2, 5, 8, 10, 11, 13, 16, 18, 20, 23, 26, 29, 31, 32, 34, 36, 37, 38, 39, 48, 51, wherein the rear section of the connecting board of the first dual-sided electrical connection structure is provided with a engaging slot, the front section of the circuit board is engaged with the engaging slot, and the engaging slot abuts against the upper and lower surfaces of the front section of the circuit board or the engaging slot abuts against the left and right side surfaces and the upper and lower surfaces of the front section of the circuit board.

82. The electronic device adapted with the double-sided electrical connection structure having the locking structure of claim 81, wherein the depth of the engaging slot engaging with the circuit board is not less than half of the length of the connection board.

83. The electronic device adapted with the connection structure of two-sided electrical connection structure with locking structure as claimed in claim 2, 5, 8, 13, 16, 18, 20, 23, 26, 29, 31, 32, 34, 36, 37, 38, 39, 48, 51, wherein the first two-sided electrical connection structure is provided with an encapsulant, the encapsulant is disposed on the connection board of the connection structure, the encapsulant is embedded in the connection board and combined with the at least two rows of terminals in an encapsulant manner to form the connection board.

84. The electronic device adapted to the connection of the double-sided electrical connection structure with locking structure as claimed in claim 2, 5, 8, 10, 11, 13, 16, 18, 20, 23, 26, 29, 31, 32, 34, 36, 37, 38, 39, 48, 51, wherein the first double-sided electrical connection structure is provided with an encapsulant, the encapsulant is encapsulated on both sides of the circuit board to form the connection board, the encapsulant is embedded in the two rows of terminals and combined with the circuit board, so as to enhance the strength of the connection board; or, the first dual-face electrical connection structure is provided with a reinforcing plate, and the reinforcing plate and the two rows of terminals are embedded into the connection plate for integral injection molding, so as to enhance the strength of the connection plate.

85. The electronic device with the adapting structure of double-sided electrical connection structure with locking structure as claimed in any one of claims 1-43 and 47-52, wherein the first double-sided electrical connection structure is provided with a molding compound, the molding compound covers and combines the rear section of the circuit board and the space of the electronic unit with a molding compound to form a molding compound insulator, so as to enhance the strength of the interfacing structure; or wherein the first double-sided electrical connection structure is provided with a sealant, and the sealant covers and fills the space between the insulator and the circuit board by means of sealant to form a sealant insulator, so as to enhance the strength of the butt joint structure; or the first double-sided electrical connection structure is provided with a reinforcing plate, and the reinforcing plate and the at least two rows of terminals are embedded and injected to be positioned at the connecting part or the insulator, so as to enhance the strength of the connecting part or the insulator.

86. The electronic device adapted with the locking structure of the double-sided electrical connection structure of any one of claims 1-43 and 47-52, wherein the insulation body of the mating structure of the first double-sided electrical connection structure is provided with an upper insulation seat and a lower insulation seat, and the at least two rows of terminals are embedded and injected into and positioned on the upper insulation seat and the lower insulation seat, respectively.

87. The electronic device with the adaptor of claim 86, wherein the upper insulating base is integrally formed with the upper section of the connecting portion to form the upper board surface, and the lower insulating base is integrally formed with the lower section of the connecting portion to form the lower board surface; or wherein the first double-sided electrical connection structure is provided with a reinforcing plate, the reinforcing plate and one of the two rows of terminals are embedded, injected and positioned on one of the upper and lower insulation base bodies, so as to enhance the strength of the butt joint structure; or wherein the upper insulating base is integrally formed with the upper section of the connecting portion to form the upper board surface, the lower insulating base is integrally formed with the lower section of the connecting portion to form the lower board surface, the first dual-surface electrical connection structure is provided with a reinforcing board, and the reinforcing board and one of the two rows of terminals are embedded and injected to be positioned on one of the upper and lower sections of the connecting portion, so as to enhance the strength of the connecting portion.

88. The electronic device adapted with the double-sided electrical connection structure of locking structure according to claim 2, 5, 8, 10, 11, 13, 16, 18, 20, 23, 26, 29, 31, 32, 34, 36, 37, 38, 39, 48, 51, wherein the insulation body of the mating structure of the first double-sided electrical connection structure is provided with an upper insulation seat and a lower insulation seat, the at least two rows of terminals are embedded and positioned on the upper insulation seat and the lower insulation seat respectively, the upper insulation seat and the lower insulation seat are respectively provided on the upper surface and the lower surface of the circuit board to form the connection board, the upper insulation seat is provided with the upper board surface, and the lower insulation seat is provided with the lower board surface; or wherein the insulation system of the butt-joint structure of the first double-sided electrical connection structure is provided with an upper insulation base body and a lower insulation base body, the at least two rows of terminals are respectively embedded and positioned in the upper insulation base body and the lower insulation base body, the upper insulation base body and the lower insulation base body are respectively arranged on the upper surface and the lower surface of the circuit board, and the upper insulation base body and the lower insulation base body are respectively provided with a sealing glue body, and the sealing glue body covers and fully combines the spaces of the upper insulation base body and the lower insulation base body and the two surfaces of the circuit board respectively in a sealing glue way to form the connecting board.

89. The electronic device adapted with the double-sided electrical connection structure of claim 1-43 and 47-52, wherein the mating electrical connector of the first double-sided electrical connection structure is a female socket, and the two connection interfaces are electrically connected to only one row of contacts of the female socket; or wherein the at least two rows of terminals of the first double-sided electrical connection structure are provided with at least two rows of horizontal pins exposed out of the insulator and respectively connected with or soldered to the plurality of conductive contacts of the circuit board.

90. The electronic device adapted to the connection of two-sided electrical connection structure with locking structure of any one of claims 4-43 and 47-52, wherein the upper and lower board surfaces of the first two-sided electrical connection structure are respectively provided with a front board surface and a rear board surface of different structures, the rear board surface of any one of the upper and lower board surfaces protrudes a height higher than the front board surface and has a step difference therebetween.

91. The electronic device with the adaptor of claim 56, wherein the first double-sided electrical connection structure is provided with a switching device electrically connecting the two connection interfaces and the control circuit, the switching device selects the control circuit to transmit corresponding circuit contacts electrically connected to the front and back sides, or to transmit corresponding circuit contacts to the front and back sides, or to make the control circuit perform proper circuit safety protection, or to switch the switching device.

92. The electronic device adapted to the double-sided electrical connection structure with locking structure of claim 70, wherein the detection function is completed by the electrical conduction of the at least one detection terminal.

93. The electronic device adapted to be connected to a double-sided electrical connection structure with an engagement structure as claimed in claim 92, wherein the number of the at least one detection terminal is at least two, and the at least two detection terminals are at least one terminal of the two connection interfaces of the first double-sided electrical connection structure, respectively.

94. The electronic device adapted to the double-sided electrical connection structure with locking structure of any one of claims 1-43 and 47-52, wherein the locking recess provided in the connection board has a metal recessed bottom surface and a locking surface.

95. The electronic device adapted to the double-sided electrical connection structure with locking structure as claimed in any one of claims 15-17, wherein the detection function is accomplished by the electrical conduction of the at least one detection terminal.

96. The electronic device adapted with the double-sided electrical connection structure of claim 40-43, wherein the at least one detection terminal is at least one terminal of the at least one connection interface, and the detection function is completed by the electrical conduction of the at least one detection terminal.

97. The electronic device with the adaptor of the double-sided electrical connection structure with locking structure as claimed in any one of claims 4-11 and 36-39, wherein the first double-sided electrical connection structure is provided with a sealant, and the sealant covers the space between the insulator and the reinforcing structure by means of sealant to fully combine the insulator and the reinforcing structure, thereby enhancing the strength of the abutting structure.

98. The electronic device adapted to the double-sided electrical connection structure with locking structure as claimed in claim 70, wherein the detection function is accomplished by the electrical conduction of the at least one detection terminal.