KR20160132696A - Micro USB connector plug - Google Patents

Abstract

The present invention relates to a micro USB connector plug. The micro USB connector plug includes: a plug mold (110); a metal shell (140) formed to penetrate a coupling hole (146); an upper and lower support frame (120, 130); an upper plug connection terminal unit (150); a lower plug connection terminal unit (170); a latch unit (160); and an installation substrate (180). Accordingly, the present invention can stably prevent error generation due to electrical shock of a device.

Description

Micro USB connector plug < RTI ID = 0.0 >

The present invention relates to a micro USB connector plug, and more particularly to a micro USB connector plug, in which a ground plate of a latch unit to which a rear end of a latch is connected is disposed at both sides of a ground plate, And a lower plug connection terminal unit formed integrally with the lower connection mold so that the lower plug connection terminal protrudes forward and backward are coupled and fixed so that the upper and lower connection molds are vertically spaced apart from each other And a micro USB connector for preventing a short-circuit phenomenon between the upper plug connection terminal and the lower plug connection terminal that are separated and disposed from the connector plug, About the plug .

Generally, the USB connector plug is used in connection with a USB connector socket, which is a communication port provided for inputting / outputting data to / from a terminal, such as a computer.

On the other hand, portable terminals such as mobile phones are also performing data input / output using USB communication.

As described above, the USB connector socket used in a portable terminal such as a mobile phone is used by applying a micro USB connector socket having a small size because of the small size of the portable terminal.

Micro USB connector plugs have been developed for use in connection with such micro USB connector sockets.

1 is a view illustrating an example of a conventional micro USB connector plug.

As shown in FIG. 1, the micro USB connector plug according to the related art includes a connector mold 21 having a plug portion 21a protruded, a housing 22 coupled with the plug portion 21a, And a mounting board 25 on which a mounting terminal 24 protruding rearward of the connector mold 21 is mounted and five connection pins 23 are formed on the plug portion 21a.

However, the above-described conventional micro USB connector plug is formed of only a 5-pin type in which the plug portion 21a has five connecting pins 23, and its use is limited to the connection with the USB terminal of the computer, There is a problem in that it can not be used for data transfer which is required.

Further, since only the mounting terminals 24 are soldered to the mounting board 25, the bonding force is weak.

In addition, the conventional micro USB connector plug as described above has a structure in which the front end portion of the mounting board 25 is inserted into the mounting terminal 24 through a space between the mounting terminals 24 separated from each other at regular intervals, 24 are mounted on the front and rear surfaces of the mounting board 25, respectively.

Therefore, there is a problem that a short circuit phenomenon occurs between the mounting terminals 24 disposed up and down, and there is a problem that a short circuit phenomenon occurs and a device connected to the connector plug fails.

In order to solve the above problems, a micro USB connector plug as shown in Patent Document 1 (Registered Utility Model No. 451271, Registered on Nov. 30, 2010, Korea Register) has been developed and used.

However, the micro-USB connector plug as shown in the improved patent document 1 (Registered Utility Model No. 451271, Nov. 30, 2010, registered in Korea Register) still has the mounting terminals separated from each other in the upper and lower positions, And the end portions of the mounting terminals are mounted on the front and rear surfaces of the mounting substrate, respectively, with the front end portion being inserted into a certain length.

That is, there is a problem that a short circuit phenomenon still occurs between the mounting terminals that are vertically and separately arranged even in the improved conventional micro USB connector plug.

In addition, there has been a problem that a short phenomenon occurs and a device connected to the connector plug fails.

Therefore, there is a need for a research and development of a micro USB connector that can prevent a short circuit phenomenon between mounting terminals and plug-in terminals that are separated and arranged at regular intervals, to be.

Registered Utility Model No. 451271 Registered on November 30, 2010.

In order to solve the above problems, according to the present invention, a ground plate of a latch unit, to which a rear end of a latch is connected, is provided at both sides of a ground plate, and an upper plug connection terminal protrudes from a top and a bottom, The upper plug connection terminal unit to be molded and the lower plug connection terminal unit to be integrally formed with the lower connection mold are integrally fixed so that the lower plug connection terminal and the lower plug connection terminal protrude forward and backward, And it is an object of the present invention to provide a micro USB connector plug capable of preventing short-circuiting between an upper plug connection terminal and a lower plug connection terminal.

In addition, according to the present invention, the upper plug connection terminal and the lower plug connection terminal, which are separated and arranged at regular intervals by the upper connection mold and the lower connection mold, And an object of the present invention is to stably prevent an error caused by an impact.

The present invention for achieving the above-mentioned objects is as follows. That is, the micro USB connector plug according to the present invention is provided in a portable terminal such as a mobile phone, and a socket connector of a micro USB connector socket is selectively connected and connected to the micro USB connector plug, which is connected and connected to input / A plug mold in which a plug connection portion to which a socket connection portion of the micro USB connector socket is selectively connected and connected is protruded forward of a mold body portion and a plurality of coupling protrusions are protrudingly formed on a rear upper surface and a lower surface; A metal shell coupled with the plug connection of the plug mold, the metal shell protruding from a lower end of the plug, the coupling hole corresponding to the coupling protrusion being formed through the plug; Upper and lower support frames assembled from the upper and lower sides of the front portion of the plug connection portion and closely attached to the inner surface of the metal shell; A plurality of upper plug connection terminals disposed at an inner upper portion of the plug connection portion of the plug mold by a predetermined length of the front end portion are integrally formed with the upper connection mold so as to protrude forward and backward, ; A plurality of lower plug connection terminals arranged at a lower inner side of the plug connection portion of the plug mold by a predetermined length of the front end portion are integrally formed with the lower connection mold so as to protrude forward and backward, ; A ground plate disposed between the upper plug connection terminal unit and the lower plug connection terminal unit, the ground plate interposed between the upper and lower connection molds in a vertically central portion of the upper plug connection terminal unit, A latch unit composed of latches connected to the latch unit; And a mounting board coupled to the mold body so that a front end thereof is inserted into a predetermined length from the rear of the plug mold, wherein a rear end of the upper plug connection terminal and a rear end of the lower plug connection terminal are mounted and fixed on the front and rear surfaces, .

Here, the upper connection mold of the upper plug connection terminal unit and the lower connection mold of the lower plug connection terminal unit are provided of a non-conductive material, and are inserted and fixed from the rear of the plug mold, Thereby preventing a short circuit between the upper plug connection terminal and the lower plug connection terminal.

The upper plug connection terminal unit is formed integrally with the upper connection mold so that the upper plug connection terminals protrude forward and backward by a plurality of upper plug connection terminals, and the lower plug connection terminal unit is integrally formed by injection molding, It is preferable that the terminals are molded integrally with the lower connection mold so as to protrude forward and backward by a plurality of terminals but integrally formed by double injection molding.

And a through hole is formed in an edge portion of the ground plate so that the ground plate is interposed between the upper connection mold and the lower connection mold from above and below so that the upper connection mold and the lower connection mold can be engaged and fixed, The upper plug connection terminal unit has a pair of upper coupling protrusions and upper coupling grooves formed on the bottom surface of the upper connection mold so as to correspond to the through holes of the ground plate and staggered when viewed from the bottom, The lower surface of the connection mold is formed with a pair of lower engagement grooves and lower engagement protrusions which are staggered from each other when viewed from a plane corresponding to the through holes of the ground plate, The projection and the lower engaging groove and the lower engaging projection and the upper engaging groove are engaged and fixed. Do.

The upper plug connection terminal unit is inserted into the plug mold from the rear of the plug mold so that the upper plug connection terminal unit can be fastened and fixed to the center of the upper surface of the rear end of the mold body of the plug mold. And a fastening hole through which the fastening protrusion is selectively fastened and fixed is formed at a center of a rear upper end surface of the mold body of the plug mold.

The upper support frame is formed on both sides of the rear lower surface so as to correspond to the binding holes so that the upper binding projections are formed to protrude from the upper supporting frames. On the other hand, the plug connection portions of the plug molds And the lower support frame is formed on both sides of the rear upper surface so as to correspond to the binding hole and the lower binding stone protrudes from the lower support frame.

Further, an assembly hole is formed on both sides of the plug connection portion of the plug mold so that the upper and lower support frames can be assembled and fixed to the front portion of the plug connection portion from the upper and lower sides, And the lower support frame is formed by upwardly bending the upper and lower assembled members, which are selectively assembled and fixed from the lower side of the assembly hole, from both sides of the front side.

The upper support frame may have a predetermined gap at the front end of the upper support frame so as to be in close contact with the upper and lower surfaces of the socket connection part when the socket connection part is connected to the plug connection part, The lower support frame is formed to be bent in a shape of a letter 'U', and the lower support frame is bent at a predetermined interval in front of the upper support piece, The upper support piece and the lower support piece are inserted and installed so as to protrude to the inside of the plug connection part through a through hole formed at a predetermined distance from the upper surface and the lower surface of the front end of the plug connection part.

In addition, the upper and lower support frames are closely attached to the front portion of the plug connection portion so as to be in close contact with the inner surface of the metal shell, so that the contact with the inner surface of the metal shell can be contacted in a multi- A plurality of upper contact pieces are bent at an interval in the rear end of the lower support frame so as to be inclined to the upper side of the rear side in the width direction and a plurality of lower contact pieces are bent at an interval Do.

Effects of the micro USB connector plug according to the present invention are as follows.

First, an upper plug connection terminal unit and a lower plug connection terminal unit are integrally formed with the upper connection mold so that the ground plate of the latch unit to which the rear end of the latch is connected is disposed at both sides of the ground plate, A lower plug connection terminal unit formed integrally with the lower connection mold so as to project the connection terminals forward and backward is coupled and fixed so that the upper plug connection terminal and the lower plug connection terminal, It is possible to prevent a short-circuit phenomenon.

Second, since the upper plug connection terminal and the lower plug connection terminal, which are separated and arranged at regular intervals by the upper connection mold and the lower connection mold, are prevented from being short-circuited, the occurrence of errors due to electrical shocks of the devices connected to the connector plug It can be prevented stably.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an illustration showing a conventional micro USB connector plug; FIG.
2 is a perspective view illustrating a micro USB connector plug according to an embodiment of the present invention.
3 is a perspective view illustrating a micro USB connector plug according to an embodiment of the present invention.
4 is a side cross-sectional view illustrating the internal structure of a micro USB connector plug according to the present invention.
FIG. 5 is a perspective view showing a main part separated perspective view showing an upper plug connection terminal unit, a latch unit and a lower plug connection terminal unit, which are main parts of a micro USB USB connector plug according to the present invention;
6 is a perspective view showing the main part separated from the plug mold and the upper and lower support frames, which is a substantial part of the micro USB connector plug according to the present invention.

Hereinafter, preferred embodiments of the micro USB connector plug according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view illustrating a micro USB connector plug according to the present invention, and FIG. 3 is a perspective view illustrating a micro USB connector plug according to the present invention.

FIG. 4 is a side cross-sectional view showing an internal structure of a micro USB connector plug according to the present invention. FIG. 5 is a side view of the micro USB connector plug according to the present invention, And FIG. 6 is a perspective view illustrating a coupling structure between a plug mold and an upper and a lower support frame, which are essential parts of a micro USB connector plug according to the present invention.

2 to 6, a micro USB connector plug 100 according to a preferred embodiment of the present invention is provided in a portable terminal such as a cellular phone, and a socket connector (not shown) of a micro USB connector socket (not shown) And connected and connected for input / output or charging of a micro USB connector socket (not shown).

Although not shown in the drawings, the micro USB connector sockets (not shown) may be provided with a socket connection terminal (not shown) in an ordinary socket housing (not shown) provided in a portable terminal such as a mobile phone (Not shown).

The micro USB connector plug 100 according to the present invention, which is used to selectively connect and connect socket connectors (not shown) of a conventional micro USB connector socket (not shown), can be roughly divided into a plug mold 110, A metal shell 140, upper and lower support frames 120 and 130, an upper plug connection terminal unit 150, a lower plug connection terminal unit 170, a latch unit 160 and a mounting board 180 .

Here, the plug mold 110 is configured such that the plug connecting portion 111, to which the socket connecting portion of the micro USB connector socket is selectively connected, is protruded forward of the mold body portion 115.

It is preferable that the plug mold 110 is formed with a plurality of coupling projections 116 protruding from the rear upper and lower surfaces.

The metal shell 140 is coupled to the plug mold 110 while covering the plug connection 111. The metal shell 140 protrudes from the lower side of the rear end of the metal shell 140, 146 are formed.

That is, the metal shell 140 is coupled with the coupling hole 146 of the plug mold 110 to be coupled with the plug shell 110, As shown in Fig.

The upper and lower support frames 120 and 130 are assembled from the upper and lower sides of the front portion of the plug connection portion 111 and closely attached to the inner surface of the metal shell 140.

The upper and lower support frames 120 and 130 are closely attached to the front portion of the plug connection portion 111 so as to be in close contact with the inner surface of the metal shell 140, It is important to be able to make contact in a contact manner.

Therefore, it is preferable that the upper support frame 120 is formed by bending a plurality of upper contact pieces 123 in the width direction at a predetermined distance in the rear end and inclined to the backward upper side, and the lower support frame 130 has a constant It is preferable that a plurality of lower contact pieces 133 are bent in an inclined manner toward the rearward side in the width direction with an interval.

The upper plug connection terminal unit 150 has a plurality of upper plug connection terminals 151 disposed at an upper portion inside the plug connection portion 111 of the plug mold 110 by a predetermined length of the front end portion, And is molded integrally with the mold 153.

The upper plug connection terminal unit 150 is inserted and installed from the rear of the plug mold 110.

Particularly, the upper plug connection terminal unit 150 as described above is formed integrally with the upper connection mold 153 so that the upper plug connection terminals 151 protrude forward and backward in a plurality of directions, desirable.

The lower plug connection terminal unit 170 has a plurality of lower plug connection terminals 171 disposed at a lower portion inside the plug connection portion 111 of the plug mold 110 by a predetermined length of the front end portion, And is molded integrally with the mold 173.

The lower plug connection terminal unit 170 is inserted from the rear of the plug mold 110.

The lower plug connection terminal unit 170 may be integrally formed with the lower connection mold 173 so that the lower plug connection terminals 171 protrude forward and backward in the same manner as the upper plug connection terminal 150. [ But it is preferably formed integrally by double injection molding.

The upper connection mold 153 of the upper plug connection terminal unit 150 and the lower connection mold 173 of the lower plug connection terminal unit 170 are provided from a nonconductive material as described above, It is possible to prevent a short between the upper plug connection terminal 151 and the lower plug connection terminal 171 which are inserted and fixed from the rear of the mold 110 and arranged on the inside and the lower side of the plug mold 110.

The latch unit 160 is disposed between the upper plug connection terminal unit 150 and the lower plug connection terminal unit 170 and is disposed at a central portion in the vertical direction to connect the upper connection mold 153 A ground plate 161 to which the lower connection mold 173 is engaged and fixed and a latch 165 to which the rear ends are connected to both sides of the ground plate 161.

The mounting board 180 is coupled to the mold body 115 such that a front end thereof is inserted into the mold body 110 from a rear side of the plug mold 110, And the rear end of the lower plug connection terminal 171 are mounted and fixed.

The micro USB connector plug 100 according to the present invention as described above is constructed such that the ground plate 161 is interposed between the upper connection mold 153 and the lower connection mold 173 from above and below, 153 and the lower connection mold 173 can be engaged and fixed.

Therefore, in the latch unit 160, a through hole 161a is formed at a corner portion of the ground plate 161. [

The upper plug connection terminal unit 150 is connected to the through hole 161a of the ground plate 161 on the bottom surface of the upper connection mold 153 so as to be staggered when seen from the bottom, 154 and an upper engaging groove 155 are formed.

The lower plug connection terminal unit 170 is connected to the through hole 161a of the ground plate 161 on the lower surface of the lower connection mold 173 so as to be staggered in a plane, 174 and a lower engaging projection 175 are formed.

That is, the upper coupling protrusion 154 and the lower coupling groove 174, the lower coupling protrusion 175, and the upper coupling groove 155 are formed through the through hole 161a with the ground plate 161 interposed therebetween, As shown in FIG.

In other words, the upper connection mold 153, the through-hole 161a, the upper coupling protrusion 154 and the lower coupling groove 174, the lower coupling protrusion 175 and the upper coupling groove 155, The ground plate 161 is interposed between the lower connection mold 173 and the lower connection mold 173 so that the upper connection mold 153 and the lower connection mold 173 can be stably fixed.

The micro USB connector plug 100 according to the present invention as described above is constructed such that the upper plug connection terminal unit 150 is inserted from the rear of the plug mold 110 and is inserted into the mold body 110 of the plug mold 110, And can be fastened and fixed to the center of the upper surface of the rear end of the upper plate 115.

The upper connection mold 153 of the upper plug connection terminal unit 150 has a fastening protrusion 157 protruding from the center of the upper end of the upper end of the upper plug connection terminal unit 150, A fastening hole 117 through which the fastening protrusion 157 is selectively fastened is formed.

The lower plug connection terminal unit 170 is inserted from the rear of the plug mold 110 and can be fastened and fixed to the center of the rear end of the mold body 115 of the plug mold 110.

The lower connection mold 173 of the lower plug connection terminal unit 170 is formed with a fastening protrusion 177 protruding from the center of the lower end of the lower plug connection terminal unit 170. The rear end of the mold body 115 of the plug mold 110, It is preferable that a fastening hole 117 through which the fastening protrusion 177 is selectively fastened is formed.

In the micro USB connector plug 100 according to the present invention as described above, in particular, the plug connector 111 of the plug mold 110 is formed with a binding hole 112 through both sides of the central portion of the upper surface thereof, The upper support frame 120 is formed on both sides of the rear bottom surface with an upper coupling protrusion 122 protruding from the coupling hole 112.

Therefore, the coupling hole 112 and the upper coupling protrusion 122 can stably bind to the upper surface of the plug connection part 111 with respect to the upper support frame 120.

A coupling hole (not shown) is formed on both sides of a central part of the lower surface of the plug connection part 111 of the plug mold 110. The lower support frame 130 is connected to the coupling hole (not shown) The lower binding projecting portion 132 is protruded.

Although not shown in the drawing, the binding hole (not shown) is formed so as to be opposed to the binding hole 112 and penetrate both sides of the lower center portion of the plug connecting portion 111.

In the micro USB connector plug 100 according to the present invention as described above, the upper and lower support frames 120 and 130 can be assembled and fixed from the upper and lower sides of the front portion of the plug connection portion 111 will be.

To this end, the plug connector 111 of the plug mold 110 is formed with an assembly hole 119 on both sides of the front side thereof.

The upper support frame 120 is bent downward from the front sides of the upper assembly piece 129, which is selectively assembled and fixed from above the assembly hole 119.

In addition, the lower support frame 130 is bent upward from both sides of the lower assembly piece 139, which is selectively fixedly assembled from the lower side of the assembly hole 119.

In other words, the upper and lower support frames 120 and 130 are formed on the front portion of the plug connection portion 111 through the configuration of the assembly hole 119, the upper assembly piece 129 and the lower assembly piece 139, , And can be stably assembled and fixed from the lower side.

Further, the micro USB connector plug 100 according to the present invention as described above is closely attached to the upper and lower surfaces of the plug connection portion 111 when the socket connection portion is connected, so that the socket connection portion can be constrained in the vertical direction It is important.

Therefore, the upper support frame 120 is bent at a predetermined interval in the front end thereof so as to have a 'C' shape inclined downward and rearward.

In addition, the lower support frame 130 is bent at a predetermined interval in the front end thereof so as to be opposed to the upper support piece 121 and tilted upward in the backward direction.

The upper support piece 121 and the lower support piece 131 as described above are inserted through the through hole 113 formed at the upper surface and the lower surface of the front end of the plug connection part 111 at regular intervals, So as to protrude toward the inside of the housing.

In the micro USB connector plug 100 according to the present invention as described above, the latch 165, the rear end of which is connected to both sides of the ground plate 161 of the latch unit 160, It is important to prevent shorts when connecting connections.

Therefore, the ground plate 161 connected to both sides of the rear end of the latch 165 is disposed between the upper connection mold 153 and the lower connection mold 173 provided with a nonconductive material, will be.

When a short circuit phenomenon occurs on the side of the latch 165 during the connection of the socket connection unit (not shown), the current through the latch 165 is transmitted through the ground plate 161 to the upper and lower connection And the molds 153 and 173 are grounded, so that the current due to the short-circuiting phenomenon can be extinguished.

According to the micro USB connector plug 100 of the present invention as described above, the ground plate 161 of the latch unit 160, to which the rear end of the latch 165 is connected to both sides of the ground plate 161, An upper plug connection terminal unit 150 and a lower plug connection terminal 171 are integrally formed with the upper connection mold 153 so that the upper plug connection terminal 151 protrudes forward and backward from above and below, The upper plug connection terminal 151 and the lower plug connection terminal 151 are integrally formed with the upper plug connection terminal 173 and are separated and arranged by the upper connection mold 153 and the lower connection mold 173 at regular intervals, And the lower plug connection terminal 171 can be prevented from being short-circuited.

The upper plug connection terminal 151 and the lower plug connection terminal 171 are prevented from being short-circuited by the upper connection mold 153 and the lower connection mold 173, It is possible to stably prevent the occurrence of an error due to the electrical impact of the device connected to the device.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, the invention is not limited thereto. Various modifications may be made by those skilled in the art. Are included in the scope of the present invention.

100: Micro USB connector plug
110: plug mold
111: Plug connection 112:
113: through hole 115: mold body portion
116: coupling projections 117: fastening holes
119: Assembly
120: upper support frame
121: upper supporting piece 122: upper binding piece
123: upper contact piece 129: upper assembly piece
130: Lower support frame
131: lower supporting piece 132: lower binding piece
133: lower contact piece 139: lower assembly piece
140: metal shell 146: engaging hole
150: upper plug connection terminal unit
151: upper plug connection terminal 153: upper connection mold
154: upper engaging projection 155: upper engaging groove
157: fastening projection
160: latch unit
161: ground plate 161a: through hole
165: latch
170: Lower plug connection terminal unit
171: Lower plug connection terminal 173: Lower connection mold
174: lower coupling groove 175: lower coupling projection
177: fastening projection
180: mounting substrate

Claims (9)

A micro USB connector plug (100), which is provided in a portable terminal such as a mobile phone and is connected and connected to a socket connector of a micro USB connector socket for selectively inputting / outputting or charging a micro USB connector socket,
A plug connecting portion 111 to which the socket connecting portion of the micro USB connector socket is selectively connected and connected is protruded forward of the mold body portion 115 and a plurality of coupling protrusions 116 are protrudingly formed on the lower, A mold 110;
A metal shell 140 which is coupled while wrapping the plug connection portion 111 of the plug mold 110 and is protruded from the lower end of the rear end portion and is formed with a coupling hole 146 corresponding to the coupling protrusion 116, ;
Upper and lower support frames (120, 130) assembled from the upper and lower sides of the front portion of the plug connection portion (111) and closely attached to the inner surface of the metal shell (140);
An upper plug connection terminal 151 disposed at an upper portion inside the plug connection portion 111 of the plug mold 110 by a predetermined length of the front end portion is integrally molded with the upper connection mold 153 so as to protrude forward and backward, An upper plug connection terminal unit 150 inserted from behind the mold 110;
The lower plug connecting terminals 171 disposed at the lower inside of the plug connecting portion 111 of the plug mold 110 by a predetermined length of the front end portion are integrally molded with the lower connecting mold 173 so as to protrude forward and backward, A lower plug connection terminal unit 170 inserted and installed from the rear of the mold 110;
The lower plug connection terminal unit 150 is disposed between the upper plug connection terminal unit 150 and the lower plug connection terminal unit 170. The upper connection mold 153 and the lower connection mold 173 are interposed between the upper plug connection terminal unit 150 and the lower plug connection terminal unit 170, A latch unit 160 formed of a ground plate 161 and a latch 165 connected to both ends of the ground plate 161; And
A rear end of the upper plug connection terminal 1510 and a lower end of the lower plug connection terminal 171 are connected to the mold body 115 so that a front end portion of the plug mold 110 is inserted from a rear side of the plug mold 110 by a predetermined length, And a mounting board 180 on which a rear end of the mounting board 180 is mounted.
The method according to claim 1,
The upper connection mold 153 of the upper plug connection terminal unit 150 and the lower connection mold 173 of the lower plug connection terminal unit 170 are provided from a nonconductive material, And the upper plug connection terminal (151) and the lower plug connection terminal (171) disposed on the inner side and the lower side of the plug mold (110) are prevented from being shorted.
The method according to claim 1,
The upper plug connection terminal unit 150 is molded integrally with the upper connection mold 153 by injection molding, while the upper plug connection terminal 151 is formed integrally with the upper connection mold 153 so that the upper plug connection terminals 151 protrude forward and backward,
The lower plug connection terminal unit 170 is formed integrally with the lower connection mold 173 so as to protrude forward and backward by a plurality of lower plug connection terminals 171 but integrally formed by injection molding. Connector plug.
The method according to claim 1,
The ground plate 161 is interposed between the upper connection mold 153 and the lower connection mold 173 from above and below so that the upper connection mold 153 and the lower connection mold 173 can be engaged and fixed,
In the latch unit 160, a through hole 161a is formed at a corner of the ground plate 161,
The upper plug connection terminal unit 150 is connected to the through hole 161a of the ground plate 161 on the bottom surface of the upper connection mold 153 and has a pair of upper coupling protrusions 154 staggered from the bottom, And an upper coupling groove 155 are formed,
The lower plug connection terminal unit 170 is formed on the lower surface of the lower connection mold 173 so as to correspond to the through hole 161a of the ground plate 161, And the lower engaging projection 175 are formed,
The upper engaging projection 154 and the lower engaging groove 174 and the lower engaging projection 175 and the upper engaging groove 155 are engaged with each other through the through hole 161a with the ground plate 161 interposed therebetween. The microUSB connector plug is characterized by being fixed.
The method according to claim 1,
The upper plug connection terminal unit 150 is inserted from the rear of the plug mold 110 so that the upper plug connection terminal unit 150 can be fastened and fixed to the center of the rear upper end surface of the mold body 115 of the plug mold 110,
The upper connection mold 153 of the upper plug connection terminal unit 150 is formed with a fastening protrusion 157 protruding from the center of the upper end of the upper end of the upper connection mold 153,
Wherein a coupling hole (117) for selectively fastening the fastening protrusion (157) is formed through the center of the upper surface of the rear end of the mold body (115) of the plug mold (110).
The method according to claim 1,
The upper support frame 120 is formed on both sides of the rear bottom surface in correspondence with the binding holes 112 so as to be connected to the upper The coupling protrusion 122 is protruded,
The lower support frame 130 is formed on both sides of the rear upper surface so as to correspond to the binding holes and the lower binding projections 132 are formed to protrude therefrom. Micro USB connector plug.
7. The method according to claim 1 or 6,
In order that the upper and lower support frames 120 and 130 can be assembled and fixed from the upper and lower sides of the front portion of the plug connection portion 111,
The plug connector 111 of the plug mold 110 has through holes 119 formed on both sides of the plug connector 111,
The upper support frame 120 has an upper assembly piece 129 selectively bent and fixed from the upper side of the assembly hole 119,
Wherein the lower support frame (130) is formed by upwardly bending a lower assembled piece (139) selectively fixed from the lower side of the assembling hole (119).
The method according to claim 1,
The plug connection portion 111 is provided in the plug connection portion 111 so as to be in close contact with the upper and lower surfaces of the socket connection portion when the socket connection portion is connected thereto,
The upper support frame 120 is bent at an upper end of the upper support frame 121 at a predetermined interval in a downwardly inclined ' 121, the lower support piece 131 is bent at a predetermined interval in the front end thereof in a 'C' shape inclined upward toward the rear,
The upper support piece 121 and the lower support piece 131 protrude inward of the plug connection part 111 through the through hole 113 formed at a predetermined distance from the upper surface and the lower surface of the front end of the plug connection part 111, And a micro USB connector plug.
The method according to claim 1 or 8,
The upper and lower support frames 120 and 130 are closely attached to the front portion of the plug connection portion 111 so as to be in close contact with the inner surface of the metal shell 140, In order to be contacted in a contact manner,
The upper support frame 120 is formed by bending a plurality of upper contact pieces 123 in a width direction at predetermined intervals in the rear end and inclining the upper contact piece 123 to the upper side of the rear support frame 130. The lower support frame 130 has a predetermined width And a plurality of lower contact pieces (133) are formed to be inclined rearwardly downward.

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