KR101736605B1 - Micro USB connector - Google Patents

Micro USB connector Download PDF

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Publication number
KR101736605B1
KR101736605B1 KR1020150149841A KR20150149841A KR101736605B1 KR 101736605 B1 KR101736605 B1 KR 101736605B1 KR 1020150149841 A KR1020150149841 A KR 1020150149841A KR 20150149841 A KR20150149841 A KR 20150149841A KR 101736605 B1 KR101736605 B1 KR 101736605B1
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KR
South Korea
Prior art keywords
shell
socket
plug
plug shell
connector
Prior art date
Application number
KR1020150149841A
Other languages
Korean (ko)
Other versions
KR20170049015A (en
Inventor
이성건
Original Assignee
이성건
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이성건 filed Critical 이성건
Priority to KR1020150149841A priority Critical patent/KR101736605B1/en
Publication of KR20170049015A publication Critical patent/KR20170049015A/en
Application granted granted Critical
Publication of KR101736605B1 publication Critical patent/KR101736605B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles

Abstract

The present invention relates to a micro USB connector used as a connection terminal for data connection and charging with various external devices in a portable electronic device including a smart phone.
The present invention proposes a plug shell and a socket shell which are integrally formed without a welded joint so as to prevent fraying or loosening due to repeated connection / disconnection of a plug shell and a socket shell, thereby preventing connection (contact) The protrusion of the socket shell and the socket shell can be firmly coupled with each other through the 'V' -shaped protrusion, so that the socket shell can be prevented from being bent or bent by the external pressure through the bending prevention stepped portion formed at the central portion of the plug shell, The stability of the contact portion included in the mold can be excellent.

Description

The integrated micro USB connector {Micro USB connector}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a micro USB connector used as a connection terminal for data connection and charging with various external devices in a portable electronic device including a smart phone, And a connection between the socket connector and the plug connector to be formed is not loosened even when used for a long time and smooth connection can be maintained.

In recent years, a smartphone widely used as a necessity of modern people has a micro USB connector as a terminal for data connection and charging with various external devices.

The micro USB connector is composed of a socket connector provided in a portable electronic device including a smart phone and a plug connector provided in a connection cable, and these are interconnected by female and male connectors.

The conventional plug connector 120 is provided with a metal plug shell 121 at its tip end, a plug shell mold 122 made of injection molded synthetic resin is coupled to the back of the plug shell, and an electrical and electronic connection is made to the plug shell mold Are fixedly formed.

The plug shell 121 has an engaging portion 124 extending rearward to engage with the plug shell mold on the rear side.

The conventional socket connector 110 is provided with a socket shell 111 made of a metal material to be coupled with the plug shell 121 in front and a socket shell mold 112 made of injection- And is coupled with the shell 111.

The socket shell 111 is provided with a pair of coupling vanes 113 symmetrically connected to the socket shell mold 112 at the rear end corner.

However, since the conventional plug shell and the socket shell are manufactured by spot welding at three to four points after both ends of the plate are bent through a bending method in the form of a plate material, When the arm and the socket of the socket shell are connected, more than necessary force is momentarily applied to the solder portion to disconnect the solder portion, or the solder portion is gradually widened due to use for a long time, .

Further, since the conventional plug shell is formed in a flat plate shape separated from the upper and lower sides of the rear side engaging portion for engaging with the plug shell mold, it can be easily bent even with a small external force, Which is the cause of the problem.

In addition, a pair of coupling blades at the center of the rear end of the socket shell are easily bent and loosened even by a small external force since the overall size of the socket shell is small and its length and width are extremely short and narrow. Resulting in failure or poor contact.

Among the above problems, the connection failure with respect to the plug shell constituting the plug connector causes inconvenience that consumers often need to purchase the charging cable from time to time to change frequently, and the connection failure with respect to the socket shell constituting the socket connector It causes the A / S repair of the expensive smart phone or the portable electronic device itself, which eventually lowers the reliability of the smart phone or the portable electronic device as a whole.

In particular, the connection failure of the socket shell is almost impossible to separate and repair the socket shell (or the socket connector) of the currently released smartphone, so that the entire motherboard needs to be replaced, And such problems are continuously occurring.

The present invention has been made in order to solve the problems associated with the conventional micro USB connector as described above. In particular, the plug shell and the socket shell are integrally formed without a soldering portion so that the plug shell and the socket shell are repeatedly connected (Welded) portion due to the contact between the socket shell and the socket shell mold can be prevented from being loosened and the plug shell and the plug shell mold and the socket shell mold can be firmly engaged with each other, Which is the main point of the technical problem.

According to an aspect of the present invention, there is provided a socket for a portable terminal, comprising: a socket shell having a first insertion hole formed inside a socket shell, the plug shell being detachable from a front side of the first insertion hole, The cell mold being insertable and detachable, wherein the entirety of the welded joint is integrally formed by drawing using a progressive die;

And a protrusion coupled to the coupling groove at a rear side of the socket shell, the protrusion being formed of a V-shaped protrusion having a downward slope at a center thereof;

Wherein the plug shell is formed in the shape of a tube having a second insertion hole on the inside thereof and a plug shell mold is inserted from the rear side of the second insertion hole, ;

The plug shell is formed at the center thereof with a bending prevention step, and is formed such that a step is formed entirely outward from the circumference of the plug shell at the front of the bending prevention step.

The present invention proposes a plug shell and a socket shell which are integrally formed without a welded joint so as to prevent fraying or loosening due to repeated connection / disconnection of a plug shell and a socket shell, thereby preventing connection (contact) The protrusion of the socket shell and the socket shell can be firmly coupled with each other through the 'V' -shaped protrusion, so that the socket shell can be prevented from being bent or bent by the external pressure through the bending prevention stepped portion formed at the central portion of the plug shell, The stability of the contact part included in the mold can be excellent and furthermore, the reliability of the product can be improved by solving the complaints of the users due to the defective connection of the micro USB connector and the burden on the repairing cost can be reduced The anticipated effect is indeed an advantageous invention.

1 is a perspective view showing a socket connector according to the present invention;
2 is an exploded perspective view showing a socket connector according to the present invention;
3 is an exploded perspective view showing a plug connector according to the present invention.
4 is a longitudinal sectional view showing a bending prevention round of the socket shell according to the present invention.
5 is a longitudinal sectional view showing a bending prevention round of a plug shell according to the present invention.
6 is a perspective view showing a conventional socket connector;
7 is an exploded perspective view showing a conventional socket connector;
8 is an exploded perspective view showing a conventional plug connector.
Figure 9 is a perspective view of the present invention and a conventional socket shell compared;
10 is a perspective view showing a comparison between the present invention and a conventional plug shell;
11 is a perspective view comparing the present invention and a conventional socket shell to a plug shell.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the invention.

Fig. 1 shows a preferred embodiment of a socket connector according to the invention, and Fig. 2 shows a preferred embodiment of a plug connector according to the invention,

Micro USB connector for charging and data connection,

A socket connector (10) provided in a portable electronic device; And a plug connector (20) connected to the socket connector (10) and provided at one end of a cable for electrical and electronic connection with an external power source and an external device,

The socket connector 10 is composed of a socket shell 11 provided at the front side and a socket shell mold 12 coupled to the rear side of the socket cell,

Wherein the plug connector (20) comprises a plug shell (21) provided on the front side and a plug shell mold (22) coupled to the rear side of the plug shell (21)

The socket shell 11 is formed in a tube shape having a first insertion hole on the inside thereof. The plug shell 21 is detachably coupled to the front side of the first insertion hole, And the entirety of which is integrally formed with no welding part through a drawing process using a progressive metal;

Wherein the socket shell mold is provided with a coupling groove at one side of the socket shell mold and a protruding portion which is engageable with the coupling groove at a rear side of the socket shell, Shaped protrusion 13 having a downward slope at the center thereof;

The plug shell 21 is formed in the shape of a tube having a second insertion hole on the inside thereof, and a plug shell mold 22 is inserted from the rear side of the second insertion hole, and through drawing processing using a progressive mold And the whole is integrally formed without welding part;

The plug shell 21 is formed at the center thereof with a bending prevention step 23 so that a step is formed entirely outward from the peripheral surface of the plug shell 21 in front of the bending prevention step 23, Able to know.

The micro USB connector is configured such that the socket connector 10 and the plug connector 20 can be separated / combined with each other by an arm or a male. The micro USB connector is connected to an external power source to charge a battery mounted on the portable electronic device, And is electrically and electronically connected to enable data transmission.

The socket connector 10 includes a socket shell 11 and a socket shell mold 12. The socket connector 10 is provided in a portable electronic device such as a smart phone and is fixed to one side of a main board.

The socket shell 11 is configured to be detachable / attachable to the plug shell 21. Since the socket shell 11 is manufactured to have a thin thickness due to the characteristics of the product, it is preferable that the socket shell 11 is made of a metal material for strength, durability, The mold 12 is engaged.

It is preferable that the socket shell mold 12 is formed with a coupling groove 14 and the socket shell 11 is stably engaged with the coupling groove 14 for stable coupling between the socket shell 11 and the socket shell mold 12. [ The protrusion 13 is formed in a straight line when viewed from above and a 'V' shape in which the center is depressed downward when viewed from the front.

Compared to the conventional coupling wing, the conventional coupling wing has a configuration in which a part of the corner of the rear end is cut so that the cut end is bent downward, so that it can be easily bent in the forward and backward directions Shaped protrusion 13 according to the present invention is protruded so as to be inclined downward only in the center portion in a state where the both sides are integrally connected to each other so that it can be seen that the V- have.

In addition, the socket shell 11 is manufactured from a plate-like base material through a drawing process using a progressive metal mold without a weld joint 140.

The socket shell mold 12 is provided with a protruding contact portion having a plurality of thin circuit lines extending from the main board for electrical and electronic connection at regular intervals.

The plug connector 20 includes a plug shell 21 and a plug shell mold 22. The plug connector 20 is provided at one end of a connection cable connected to an external device for data transmission or connected to an external power supply for charging.

The plug shell 21 is inserted into the socket shell 11 and is configured to be coupled or detachable. Since the plug shell 21 is manufactured to have a thin thickness due to the characteristics of the product, it is preferable that the plug shell 21 is made of a metal material for strength and durability. The plug shell mold 22 is engaged.

The plug shell 21 is formed to have a length longer than the thin thickness, and the plug shell 21 may be bent or bent when pressed by the external pressure. In order to prevent such a phenomenon, it is necessary to provide a structure that acts as a reinforcing force bar. In the present invention, by forming the bending prevention step portion 23 at the center portion, the lengths of the bending prevention step portions 23 are shortened in both forward and backward directions, It can be secured.

It is preferable that the bending prevention step portion 23 is formed such that a step is formed entirely outwardly from the peripheral surface of the plug shell 21 in front of the bending prevention step portion 23. [ At this time, if the round 30 is formed in the bent portion of the bending prevention stepped portion 23 with a certain curvature, the countermeasure against the warping can be more excellent. The reason for this is as follows: When a thin plate material such as paper, metal, or film is folded and folded back vertically, the folded portion is folded more than the unfolded portion, It can be said.

The rounded portion 30 may be applied to the front end of the socket shell 11 and the plug shell 21 and the socket shell 11 and the plug 12 of the present invention, It can be seen that a bending reinforcing round 30 is formed at a front end of the shell 21 with a certain curvature.

Also, the plug shell 21 is manufactured from a plate-like base material through a drawing process using a progressive metal mold without a weld joint 140.

The plug shell mold 22 is provided with a groove type contact portion having a plurality of thin circuit lines extending from the connection cable for electrical and electronic connection.

The socket shell 11 and the plug shell 21 according to the present invention are processed from the base material in the form of a plate through a drawing process using a progressive die into an integral shape without a weld joint 140, A phenomenon of widening or loosening due to simple repetition of separation / combination can be prevented unless deliberately damaged.

The socket shell 11 and the plug shell 21 according to the present invention can be separated and combined with each other. The cross-sectional shape of the joint portion of the socket shell 11 and the plug shell 21 is generally rectangular, and the inclined portion is formed at one corner, .

The present invention thus constituted is characterized in that the plug shell 21 and the socket shell 11 are formed by a conventional manufacturing process which is manufactured by spot welding the metal plate to the portion where the both ends are brought back to each other through the bending method It is possible to manufacture the welded part integrally with the use of the drawing work method using a progressive die so that the welded part of the plug shell 21 and the socket shell 11, It is possible to prevent defective connection (contact) by preventing a phenomenon of being bent or loosened, and also to prevent the phenomenon of being bent or bent by the external pressure through the bending prevention stepped portion 23 formed at the central portion of the plug shell 21 The connection between the socket shell 11 and the socket shell mold 12 can be made strong through the V-shaped protrusion 13 and the stability of the contact portion included in the socket shell mold 12 can be excellent .

10, 110: socket connector 11, 111: socket shell
12, 112: socket shell mold 13: protrusion
14: Coupling groove
20, 120: plug connector 21, 121: plug shell
22, 122: plug shell mold 23: bending prevention step
30: Round
113: coupling wing 124:
140: welded joint

Claims (3)

Micro USB connector for charging and data connection,
A socket connector (10) provided in a portable electronic device; And a plug connector (20) connected to the socket connector (10) and provided at one end of a cable for electrical and electronic connection with an external power source and an external device,
The socket connector 10 is composed of a socket shell 11 provided at the front side and a socket shell mold 12 coupled to the rear side of the socket cell,
Wherein the plug connector (20) comprises a plug shell (21) provided on the front side and a plug shell mold (22) coupled to the rear side of the plug shell (21)

The socket shell 11 is formed in a tube shape having a first insertion hole on the inside thereof. The plug shell 21 is detachably coupled to the front side of the first insertion hole, And the entirety of which is integrally formed with no welding part through a drawing process using a progressive metal;
Wherein the socket shell mold is provided with a coupling groove at one side of the socket shell mold and a protruding portion which is engageable with the coupling groove at a rear side of the socket shell, Shaped protrusion 13 having a downward slope at the center thereof;
The plug shell 21 is formed in the shape of a tube having a second insertion hole on the inside thereof, and a plug shell mold 22 is inserted from the rear side of the second insertion hole, and through drawing processing using a progressive mold And the whole is integrally formed without welding part;
A step is formed in the central portion of the plug shell 21 such that a step is formed entirely outwardly from the circumference of the plug shell 21 in front of the bending prevention step 23;
A bending reinforcement round 30 is formed at a bent portion of the bending prevention stepped portion 23 at a predetermined curvature;
Wherein the socket shell (11) and the plug shell (21) are formed with a bending reinforcing round (30) at a predetermined curvature on the front or rear end thereof. delete delete
KR1020150149841A 2015-10-28 2015-10-28 Micro USB connector KR101736605B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150149841A KR101736605B1 (en) 2015-10-28 2015-10-28 Micro USB connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150149841A KR101736605B1 (en) 2015-10-28 2015-10-28 Micro USB connector

Publications (2)

Publication Number Publication Date
KR20170049015A KR20170049015A (en) 2017-05-10
KR101736605B1 true KR101736605B1 (en) 2017-05-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150149841A KR101736605B1 (en) 2015-10-28 2015-10-28 Micro USB connector

Country Status (1)

Country Link
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009064676A (en) * 2007-09-06 2009-03-26 Fujikura Ltd Receptacle connector, electronic apparatus, and manufacturing method for receptacle connector
KR101412127B1 (en) * 2013-08-07 2014-06-26 엘에스엠트론 주식회사 Waterproof type receptacle connector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009064676A (en) * 2007-09-06 2009-03-26 Fujikura Ltd Receptacle connector, electronic apparatus, and manufacturing method for receptacle connector
KR101412127B1 (en) * 2013-08-07 2014-06-26 엘에스엠트론 주식회사 Waterproof type receptacle connector

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Publication number Publication date
KR20170049015A (en) 2017-05-10

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