CN203398475U

CN203398475U - Improved structure of USB electric connector

Info

Publication number: CN203398475U
Application number: CN201320452680.1U
Authority: CN
Inventors: 陈碇祈
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-26
Filing date: 2013-07-26
Publication date: 2014-01-15
Anticipated expiration: 2023-07-26

Abstract

The utility model provides an improved structure of a USB electric connector. An insulating base of the electric connector is provided with a base portion in a connected manner at an abutting portion of a base, for four terminals of a terminal set to pass through. The four terminals are a first differential signal terminal and a second differential signal terminal at the central part, and a power terminal and a ground terminal which are located at the outer sides of the first and second differential signal terminals. Abutting faces of all the terminals are located at the abutting portion. One side of each abutting face is provided in an extending manner with an abutting side in a terminal groove of the base portion, and the other side is provided with a weld side to penetrate to the exterior of the base. The exterior of the insulating base is covered with a shielding housing. The base and the abutting faces of all the terminals are accommodated by the accommodation space inside the shielding housing, wherein the accommodation space satisfies the USB 2.0 specification. The receiving space of the shielding housing is used to receive the base portion and the abutting sides of all the terminals and satisfies the mini USB specification. In this way, the aim of multi-specification application of the electric connector is achieved.

Description

The structure-improved of USB electric connector

Technical field

The utility model provides a kind of structure-improved of USB electric connector, espespecially can be for the electric connector of different size USB application, utilize insulating base frame to wear for terminal group, and form different USB electric connector specifications by the docking section of pedestal from base portion, reach the object of different application pattern electric connector.

Background technology

Along with the progress of electronics technology, many electronics, electric product brings people in work, in life is comfortable and convenient, also causes people more and more to rely on electronics, the use of electric product, by the application of various electronic signals, operation, controls electronics, the running of electric product, carry out, also because various electronics, electric product is constantly improved, creation, various electronics, the use function of electric product, also must constantly upgrade, replace, by the application of electronic signal, control electronics, the running of electric product, executive capability, and the also constantly lifting of the speed of electronic signal transmission, must be by various coffret, electric connectors etc., carry out electronic signal transmission speed between supplied for electronic product, the interface of electronic signal transmission, also constantly improvement, innovation, to promote the interface of signal transmission, the kenel of electric connector and quality, the speed of transmission electronic signal, but the pattern of various electronic signal transmission interface, kind is quite a lot of, various signal transmission interfaces, the dimensions of electric connector also has difference, and the pattern of transmission electronic signal is also different, on electronic product, must install and be permitted eurypalynous coffret, electric connector, carries out the demand of various electronic signal transmission to meet electronic product, thus on various electronic products, must there be enough spaces, just can be for various dissimilar coffret is installed, electric connector.

Yet, along with the volume of various electronic product is all towards light, thin, short, little Model Design, as conventional intelligent mobile phone, flat computer, desktop PC or mobile computer etc., in the space of the utilizable limited bulk size of electronic product, if coordinating the coffret of various types installs, to facilitate, carry out electronic signal transmission, will take electronic product internal circuit arrangement space, also take the peripheral space position of body, cause the circuit layout of electronic product and the space of body not to apply and use.

Therefore, how to solve current electronic product problem and the puzzlement of different types coffret and electric connector must be set when circuit layout, and take the disappearance of the circuit layout of electronic product and body peripheral space etc., be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.

Summary of the invention

Therefore, designer is because above-mentioned problem and disappearance, collect related data, via in many ways assessing and considering, and to engage in the many years of experience of the industry accumulation, via constantly studying and revising, beginning to design this kind can electrically peg graft in conjunction with different types electric connector type, convenience and different types electric connector, and can reduce the structure-improved that takies the circuit layout of electronic product and the USB electric connector in body space.

Main purpose of the present utility model is that the insulating base frame of this electric connector is connected with base portion in the docking section of pedestal, can be for four terminals that wear terminal group, comprise and be positioned at first of central authorities, the second difference signal terminal and be positioned at first, power supply terminal and the earth terminal in the second difference signal terminal two outsides, the interface of each terminal is positioned at docking section, each interface one side is extended respectively the terminal groove that docking side is positioned at base portion, another side is respectively equipped with weld side and extends insulating base frame outside through pedestal, in outside, cover shield shell again, and inside of shield casings accommodation space coordinates the interface of pedestal and each terminal to meet USB2.0 specification, the accommodation space of adjacent accommodation space is for coordinating the docking side of base portion and each terminal to meet micro USB specification, reach the object of the many specification application of electric connector.

Secondary objective of the present utility model is four terminals of this terminal group, from each docking side, toward another side, be provided with upwards the first kink of vertical bending respectively, and be respectively equipped with again towards the interface of horizontal cross bending in the another side of each the first kink, and extended from each interface toward another side, be provided with weld side, by the power supply terminal in two outsides and earth terminal, respectively dock the terminal arm between side and the first kink, stretch out respectively and be provided with the first additional ribs, the second additional ribs, and the parallel power supply terminal that is positioned at respectively, earth terminal outside, again in the first additional ribs, the unsettled side of the second additional ribs is respectively equipped with and is bending, the protruding button of elasticity of elastic heave, and be respectively equipped with in base portion two sides of shield shell the profile groove passing for the protruding button activity of two elasticity.

An object more of the present utility model is the earth terminal of this terminal group, extends to the base portion of insulating base frame to dock side, and the docking side of earth terminal is loop shaped and disconnect formation two contact-making surfaces.

A structure-improved for USB electric connector, comprises insulating base frame, terminal group and shield shell, wherein: this insulating base frame comprises that a side is convexly equipped with the pedestal of docking section, is connected with the base portion of Yu Gai docking section one side tool terminal groove, this terminal group is assembled in pedestal and the base portion of this insulating base frame, comprise the docking section that is arranged in this pedestal, four terminals in the terminal storage tank of base portion, and four terminals comprise the first difference signal terminal that is positioned at central authorities, the second difference signal terminal, lay respectively at the first difference symbol terminal, the second difference signal terminal two is set power supply terminal and the earth terminal in outside relatively, and four terminals are provided with the interface that is positioned at this docking section, by each interface one side, extend respectively the docking side being provided with in the terminal storage tank that is positioned base portion again, relatively respectively dock side in the another side of four terminals, be respectively equipped with the weld side that extends to insulating base frame outside through pedestal, and this shield shell is outside for covering in this insulating base frame, and this inside of shield casings be provided with accommodating pedestal and coordinate the interface of four terminals and meet the accommodation space of USB2.0 specification, adjacent accommodation space is provided with for taking in base portion and coordinating the docking side of four terminals to meet the accommodation space of micro USB specification.

The structure-improved of described USB electric connector, four terminals of this terminal group, from each docking side, toward another side, be provided with the first kink of upwards vertical bending and be respectively equipped with again towards this interface of horizontal cross bending in the another side of this first kink respectively respectively, and being provided with this weld side from this interface respectively toward another side extension.

The structure-improved of described USB electric connector, the power supply terminal in these terminal group two outsides and earth terminal respectively dock the terminal arm between side and the first kink, stretch out respectively and be provided with the first additional ribs, the second additional ribs that is parallel to power supply terminal, earth terminal outside, and be respectively equipped with in the unsettled side of the first additional ribs, the second additional ribs the protruding button of elasticity that is bending, elastic heave, and be respectively equipped with in base portion two sides of shield shell the profile groove passing for the protruding button activity of two elasticity.

The structure-improved of described USB electric connector, the earth terminal of this terminal group extends to the base portion of insulating base frame, is provided with and is loop shaped and disconnects this docking side that forms two contact-making surfaces.

The structure-improved of described USB electric connector, this terminal group is provided with in the relative inner of this first difference signal terminal, power supply terminal the first isolation terminal that noise isolation disturbs, then is provided with in the relative inner of this second difference signal terminal, earth terminal the second isolation terminal that noise isolation disturbs.

The structure-improved of described USB electric connector, it is characterized in that, this the first isolation terminal one side is provided with that the first side of isolation of extending between this first difference signal terminal, power supply terminal, another side are continuous bending and towards square to extending isolation weld side, and the second isolation terminal one side is provided with that the second side of isolation extending between the second difference signal terminal, earth terminal, another side are continuous bending and towards square to extending isolation weld side.

The utility model is for designing mainly for the structure of USB electric connector, utilize insulating base frame with pedestal, the adjacent link moulding of base portion, and can wear respectively for a plurality of terminals of terminal group, and outside with the docking section of the coated pedestal of the body of shield shell, shell block is coated on the outside of base portion, and can reach the electric connector that forms two kinds of predetermined patterns of specification (USB2.0 or Micro USB equal-specification), can electrically peg graft respectively, transmission electronic signal is main key protection point, predetermined pattern electric connector with power-feed connector in conjunction with different specification, usability is more extensive, actual effect fruit is good, use restriction few, only make electric connector there is the advantage of multiple application model, during use, also can avoid taking Tai great space, conveniently be applied in the electronic product with different types electric connector.

Accompanying drawing explanation

Fig. 1 is stereo appearance figure of the present utility model;

Fig. 2 is three-dimensional exploded view of the present utility model;

Fig. 3 is the three-dimensional exploded view of the utility model other direction;

Fig. 4 is the vertical view of the utility model terminal group;

Fig. 5 is the vertical view of the utility model electric connector;

Fig. 6 is the end view of the utility model electric connector;

Fig. 7 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 8 is the side cutaway view of the utility model preferred embodiment.

Description of reference numerals

1-insulating base frame; 11-pedestal; 110-hollow groove; 111-docking section; 112-shaft of rib; 12-base portion; 120-terminal groove; 2-terminal group; 21-terminal; 2101-the first difference signal terminal; 2102-the second difference signal terminal; 2103-power supply terminal; 2104-earth terminal; 2105-accessory power supply terminal; 211-interface; 212-weld side; 213-the first kink; 214-docks side; 2141-contact-making surface; 215-terminal arm; 216-the first additional ribs; The protruding button of 2161-elasticity; 217-the second additional ribs; The protruding button of 2171-elasticity; 22-the first isolation terminal; 221-the first side of isolation; 222-isolates weld side; 23-the second isolation terminal; 231-the second side of isolation; 232-isolates weld side; 3-shield shell; 31-body; 310-accommodation space; 32-shell block; 320-accommodation space; 321-profile groove; 4-electric connector; 40-grafting space; 401-accommodation space.

Embodiment

For reaching above-mentioned purpose and effect, the method for the technological means that the utility model adopts and structure thereof, enforcement etc., hereby drawing illustrates that with regard to preferred embodiment of the present utility model its features and functions is as follows in detail, in order to do profit, understands completely.

Refer to shown in Fig. 1,2,3,4, for the three-dimensional exploded view of stereo appearance figure of the present utility model, three-dimensional exploded view, other direction, the vertical view of terminal group, by knowing and find out shown in figure, electric connector of the present utility model, comprise insulating base frame 1, terminal group 2 and shield shell 3, wherein:

This insulating base frame 1 convexes with docking section 111 in pedestal 11 1 sides, Bing Yu docking section 111 is provided with the hollow groove 110 that is Openworks shape, and inner and two sides are respectively equipped with the shaft of rib 112 of a plurality of formation buffer actions in hollow groove 110, and pedestal 11 1 sides are provided with base portion 12, and are provided with terminal groove 120 in base portion 12.

This terminal group 2 comprises a plurality of terminals 21, and a plurality of terminal 21 1 sides are respectively equipped with interface 211, separately side is provided with weld side 212 towards horizontal direction extension respectively again after being continuous bending, and towards vertical direction bending, be connected with the first kink 213 in the interface 211 of a plurality of terminals 21, and towards horizontal direction, extend and be provided with docking side 214 respectively again by each first kink 213.

This shield shell 3 is for to be provided with the adjacent body being connected with 31, shell block 32, and body 31 inside have accommodation space 310, shell block 32 inside have accommodation space 320.

Above-mentioned each member is when assembling, utilize the pedestal 11 of insulating base frame 1, base portion 12, a plurality of terminals 21 for terminal group 2 wear location respectively, can utilize pedestal 11 docking section 111 to wear for a plurality of terminals 21, and utilize the continuous bending of each terminal 21 to design, strong bonded is in each shaft of rib 112 of docking section 111, and the interface 211 of a plurality of terminals 21 is positioned respectively docking section 111, the another side weld side 212 of a plurality of terminals 21 extends insulating base frame 1 outside through pedestal 11 respectively again, and be coplanar and be arranged in parallel, and the terminal groove 120 in base portion 12 supplies the docking side 214 of a plurality of terminals 21 to wear, and be positioned respectively in terminal groove 120 for each docking side 214, in insulating base frame 1 outside, cover shield shell 3 again, utilize the accommodation space 310 of body 31 to hold

pedestal

11, and 320 of the accommodation spaces of shell block 32 are taken in base portion 12, and utilize the pedestal 11 of insulating base frame 1, each interface 211 of a plurality of terminals 21 of terminal group 2 and the body 31 of shield shell 3, form the electric connector meet predetermined dimension pattern (can be the specification of universal serial bus USB2.0 or relevant pattern etc.), and the base portion 12 with insulating base frame 1, the shell block 32 that respectively docks side 214 and shield shell 3 of a plurality of terminals 21 of terminal group 2, to form the electric connector meet another predetermined dimension pattern (can be the specification of micro universal serial bus Micro USB or relevant pattern etc.), by insulating base frame 1, 3 groups of terminal group 2 and shield shells form USB electric connector structure of the present utility model.

And above-mentioned insulating base frame 1, in pedestal 11Yi Ce docking section, 111 convexes are provided with base portion 12, and the reduced width of base portion 12 be less than the width of pedestal 11, the thickness of base portion 12 also reduces, is less than the thickness of pedestal 11, is connected with the central position of 111 1 side-lowers in docking section for the base portion 12 of reduced width, reduced thickness, the pedestal 11 of relative insulating base frame 1, base portion 12, for the body 31 1 side middle positions in shield shell 3, be provided with reduced width, the shell block 32 of reduced thickness, for body 31, cover pedestal 11 outsides in relative pattern, and a plurality of terminals 21 of abutting end subgroup 2, and can form the electric connector that meets predetermined universal serial bus specification (USB2.0), and covered outside the base portion 12 of relative pattern by shell block 32, to form the electric connector that meets micro universal serial bus specification (Micro USB), form adjacent link design, and the different types electric connector that is different specification.

Separately in 21 of each terminals of terminal group 2, be positioned at the relative inner of the first difference signal terminal 2101 and power supply terminal 2103, for being provided with the first isolation terminal 22, again in the relative inner of the second difference signal terminal 2102 and earth terminal 2104, for being provided with the second isolation terminal 23, and being provided with the first side of isolation 221, the first isolation terminal 22 1 sides extend to the first

difference signal terminal

2101, 2103 of power supply terminals, and the another side of the first isolation terminal 22 is extended isolation weld side 222 towards horizontal direction after being continuous bending again, as for the second isolation terminal 23 1 sides, be provided with the second side of isolation 231 and extend to the second

difference signal terminal

2102, 2104 of earth terminals, and the another side of the second isolation terminal 23 is extended isolation weld side 232 towards horizontal direction after being continuous bending again, can utilize the first isolation terminal 22, second isolation terminal 23 isolation the first difference signal terminal 2101, the power supply terminal 2103 in the second difference signal terminal 2102 and two outsides, earth terminal 2104, and in the first difference signal terminal 2101, when the second difference signal terminal 2102 is carried out electronic signal transmission, the unlikely noise that is subject to two side power supply signals or ground connection, the interference that electromagnetic wave etc. produce, for the first difference signal terminal 2101, the second difference signal terminal 2102 can be stable carry out electronic signal transmission.

And the body 31 of shield shell 3, shell block 32, can one-body moldedly make predetermined dimension pattern, also, after body 31, shell block 32 separately can being manufactured, recycle predetermined processing operation (can be the modes such as welding, high-cycle welding or viscose gummed) and be combined into predetermined dimension pattern.

Refer to Fig. 2, 3, 4, 5, shown in 6, it is three-dimensional exploded view of the present utility model, the three-dimensional exploded view of other direction, the vertical view of terminal group, the vertical view of electric connector, the end view of electric connector, by knowing and find out shown in figure, a plurality of terminals 21 of terminal group 2 of the present utility model, comprise four adjacent terminals 21 side by side, have the first difference signal terminal 2101 that is positioned at central authorities, the second difference signal terminal 2102, lay respectively at the first difference signal terminal 2101, two set power supply terminal 2103 and the earth terminals 2104 in relative outside of the second difference signal terminal 2102, again, power supply terminal 2103 can be connected with accessory power supply terminal 2105 in a side, form the design that increases power supply terminal 2103 contacts area, can supply the larger magnitude of current of load, the docking side 214 of another earth terminal 2104 inner sides in adjacent the second difference signal terminal 2102 sides is the bending of hollow ring round, elastic heave, one side also disconnects formation two contact-making surfaces 2141, can increase the contact area of the docking side 214 of earth terminal 2104, and form for a plurality of terminals 21 specification that meets universal sequential bus interface (USB/OTG) pattern, and can, in the two relative outsides of respectively docking side 214 of a plurality of terminals 21, be positioned at power supply terminal 2103, each terminal arm 215 between earth terminal 2104 and the first kink 213, extends and is provided with the first additional ribs 216 respectively laterally respectively, the second additional ribs 217, then in the first additional ribs 216, the second additional ribs 217, extension is provided with and is bending respectively, the protruding button 2161 of two elasticity of elastic heave shape, 2171, and for the first additional ribs 216, the protruding button 2161 of the second additional ribs 217 and two elasticity, 2171 are respectively and are parallel to the laterally same of a plurality of terminals 21, the shell block 32 in shield shell 3 is provided with two relative type motor profile grooves 321, while coordinating a plurality of terminals 21 outsides to cover shell block 32 for base portion 12, for terminal group 2, respectively dock the protruding button 2161 of side 214 2 side elasticity, 2171, activity passes two profile groove 321 outsides of shell block 32 respectively, and forms the specification that meets micro universal serial bus (Micro USB), and by the first additional ribs 216, the second additional ribs 217, can be for the structural strength of strengthening the base portion 12 of electric connector, and the surge prevention that also can promote electric connector disturbs (EMI) effect, avoids the high electric current of moment because of or thunderbolt unstable for electric current, the interference effect of high voltage etc.

Refer to again Fig. 2, 3, 4, 7, shown in 8, for three-dimensional exploded view of the present utility model, the three-dimensional exploded view of other direction, the vertical view of terminal group, the three-dimensional exploded view of preferred embodiment, the side cutaway view of preferred embodiment, by knowing and find out shown in figure, electric connector of the present utility model is when practical application is implemented, can utilize the pedestal 11 of insulating base frame 1, each interface 211 of a plurality of terminals 21 of abutting end subgroup 2 and the body 31 of shield shell 3, the electric connector that forms predetermined pattern (can be universal serial bus USB2.0 specification, or other electric connector specification etc.), when predetermined pattern electric connector is electrically pegged graft with the electric connector 4 of default relative pattern, for pedestal 11 and outer body 31 are together inserted in the grafting space 40 of default relative pattern electric connector 4, and the base portion 12 that pedestal 11 1 sides that are positioned at insulating base frame 1 are connected with and outside shell block 32, can be entered in inner accommodation space 401 by grafting space 40, base portion 12 and shell block 32 the unlikely relative grafting pattern that affects 4 of pedestal 11 and relative pattern electric connectors, can reach the electronic signal transmission operation of predetermined pattern electric connector (can be USB2.0 etc.).

Also can utilize the base portion 12 of insulating base frame 1, a plurality of terminals 21 of abutting end subgroup 2, the predetermined pattern electric connector that the shell block 32 of shield shell forms (can be micro universal serial bus Micro USB specification, or the electric connector specification of other pattern etc.), can coordinate the electronic product with different electric connectors, and conveniently electrically peg graft with relative pattern electric connector, for transmission electronic signal, for electric connector of the present utility model, there is the electric connector specification in conjunction with two kinds of (or more than two kinds) patterns, by time processing operation, complete the manufacture of the electric connector of two kinds of (or more than two kinds) patterns, can reduce manufacturing cost, and can two kinds of pattern electric connectors of design will be linked during application, select relative pattern electric connector electrically to peg graft, and can reduce the quantity that electric connector arranges, and avoid taking too many locus, and can select suitable electric connector pattern for application, while being electrically connected from different electronic products, by single electric connector, there are two kinds of (or more than two kinds) specifications for the effect of application, applicability is extensive, practical function is better, also can reduce because of electric connector pattern, the condition restriction that kind or specification etc. produce, use more convenient, increase the practicality of electric connector, and when the predetermined pattern electric connector of two types uses, can't produce mutually obstruction, can apply smoothly dissimilar electric connector.

Therefore, the foregoing is only preferred embodiment of the present utility model, non-so limit to the scope of the claims of the present utility model, USB electric connector structure of the present utility model, can be at the pedestal 11 and base portion 12 of insulating base frame 1, a plurality of terminals 21 for terminal group 2 wear respectively, again with the interface 211 of pedestal 11 docking section 111 and a plurality of terminal 21, the body 31 that coordinates shield shell 3, form the electric connector that meets universal serial bus specification (USB2.0), the another docking side 214 by base portion 12 and a plurality of terminal 21, the shell block 32 that coordinates shield shell 3, form the electric connector that meets micro universal serial bus specification (Micro USB), in order to do reaching to utilize, be electrically connected to utensil different types specification electric connector, the object that can mutually electrically peg graft with relative pattern electric connector respectively, the convenient effect with single electric connector with two kinds of different size pattern electric connector application, during application, also unlikely generation hinders each other, be convenient to peg graft with transmission electronic signal, and can avoid multiple types, pattern electric connector is with separately design, assembling produces and takes up room, the trouble of position, and it is extensive to complete electric connector applicability, reduce the function of the constraint of condition restriction while using.

Therefore, the utility model is for designing mainly for the structure of USB electric connector, utilize insulating base frame with pedestal, the adjacent link moulding of base portion, and can wear respectively for a plurality of terminals of terminal group, and outside with the docking section of the coated pedestal of the body of shield shell, shell block is coated on the outside of base portion, and can reach the electric connector that forms two kinds of predetermined patterns of specification (USB2.0 or Micro USB equal-specification), can electrically peg graft respectively, transmission electronic signal is main key protection point, predetermined pattern electric connector with power-feed connector in conjunction with different specification, usability is more extensive, actual effect fruit is good, use restriction few, only make electric connector there is the advantage of multiple application model, during use, also can avoid taking Tai great space, conveniently be applied in the electronic product with different types electric connector.

To description of the present utility model, be illustrative above; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it, but they all will fall in protection range of the present utility model in claim in the spirit limiting and scope.

Claims

1. a structure-improved for USB electric connector, is characterized in that, comprises insulating base frame, terminal group and shield shell, wherein:

This insulating base frame comprises that a side is convexly equipped with the pedestal of docking section, is connected with the base portion of Yu Gai docking section one side tool terminal groove;

This terminal group is assembled in pedestal and the base portion of this insulating base frame, comprise the docking section that is arranged in this pedestal, four terminals in the terminal storage tank of base portion, and four terminals comprise the first difference signal terminal that is positioned at central authorities, the second difference signal terminal, lay respectively at the first difference symbol terminal, the second difference signal terminal two is set power supply terminal and the earth terminal in outside relatively, and four terminals are provided with the interface that is positioned at this docking section, by each interface one side, extend respectively the docking side being provided with in the terminal storage tank that is positioned base portion again, relatively respectively dock side in the another side of four terminals, be respectively equipped with the weld side that extends to insulating base frame outside through pedestal, and

This shield shell is outside for covering in this insulating base frame, and this inside of shield casings be provided with accommodating pedestal and coordinate the interface of four terminals and meet the accommodation space of USB2.0 specification, adjacent accommodation space is provided with for taking in base portion and coordinating the docking side of four terminals to meet the accommodation space of micro USB specification.

2. the structure-improved of USB electric connector as claimed in claim 1, it is characterized in that, four terminals of this terminal group, from each docking side, toward another side, be provided with the first kink of upwards vertical bending and be respectively equipped with again towards this interface of horizontal cross bending in the another side of this first kink respectively respectively, and being provided with this weld side from this interface respectively toward another side extension.

3. the structure-improved of USB electric connector as claimed in claim 1, it is characterized in that, the power supply terminal in these terminal group two outsides and earth terminal respectively dock the terminal arm between side and the first kink, stretch out respectively and be provided with the first additional ribs, the second additional ribs that is parallel to power supply terminal, earth terminal outside, and be respectively equipped with in the unsettled side of the first additional ribs, the second additional ribs the protruding button of elasticity that is bending, elastic heave, and be respectively equipped with in base portion two sides of shield shell the profile groove passing for the protruding button activity of two elasticity.

4. the structure-improved of USB electric connector as claimed in claim 1, is characterized in that, the earth terminal of this terminal group extends to the base portion of insulating base frame, is provided with and is loop shaped and disconnects this docking side that forms two contact-making surfaces.

5. the structure-improved of USB electric connector as claimed in claim 1, it is characterized in that, this terminal group is provided with in the relative inner of this first difference signal terminal, power supply terminal the first isolation terminal that noise isolation disturbs, then is provided with in the relative inner of this second difference signal terminal, earth terminal the second isolation terminal that noise isolation disturbs.

6. the structure-improved of USB electric connector as claimed in claim 5, it is characterized in that, this the first isolation terminal one side is provided with that the first side of isolation of extending between this first difference signal terminal, power supply terminal, another side are continuous bending and towards square to extending isolation weld side, and the second isolation terminal one side is provided with that the second side of isolation extending between the second difference signal terminal, earth terminal, another side are continuous bending and towards square to extending isolation weld side.