KR20050080855A - Assembly method of connector for electric contacting - Google Patents

Abstract

The present invention provides a method for assembling an electrical connector that allows the connection terminal of the housing and an external device to be electrically connected by installing a shutter that slides in accordance with insertion and detachment of an external device connector in a shell forming an external appearance of the connector. The present invention relates to a hollow shell having an open front, a housing installed inside the shell and having a connection terminal portion at the front, and slidably installed in the shell, while a coupling hole is formed at the front so that the connection terminal portion of the housing can pass therethrough. Shutter to slide rearwards when entering the connection terminal portion of the external device connector, the connection terminal portion of the housing through the coupling hole to be electrically coupled with the connection terminal portion of the external device connector, and one end is fixed to the shutter and the other end to the shell Is fixed so that when the shutter slides backwards, A method of assembling an electrical connection connector having a coil spring, comprising: a connecting terminal portion forming step of forming a connecting terminal portion by stamping into an upper mold and a lower mold; a housing forming process of forming a housing by overmolding the connecting terminal portion; Cutting process for cutting the rear, Shutter joining process for installing the shutter in the front of the housing, Shell joining process for accommodating the shutter and the housing in the inside of the shell Spring insertion process to be made, characterized in that it comprises a coupling protrusion bending process for supporting the coil spring from the back by bending the coupling protrusion formed in the rear of the shell.

Description

Assembly method of connector for electric contacting}

The present invention relates to a connector for electrical connection, and more particularly, the connection terminal and the external device of the housing are electrically installed by installing a shutter that slides in accordance with the insertion and detachment of the external device connector inside the shell forming the external appearance of the connector. It relates to a method for assembling an electrical connection connector that can be connected.

In general, many connectors are used in electronic devices such as mobile phones, cancoders, MP3 players, digital cameras, computers, and the like. In general, the connectors are electrically connected to an external device to transmit and receive data or to charge a battery. .

Hereinafter, a problem will be described in detail along with the structure using a connector mounted on a cellular phone as a conventional connector.

1 and 2, the conventional connector 1 is inserted into the lower end of the mobile phone 11 and electrically connected to the connector 70 of the external device through the connector, the shell 10 and the housing 50 )

First, the shell 10 is formed of a metal material through a press crimping process on the housing 50. The shell 10 is opened to the front and rear, the receiving portion 16 is formed so that the housing 50 can be installed therein, a plurality of engaging projections 14 protruding downward downward on the front side is a plurality of Is formed.

The side of the shell 10 is formed with a locking hole 22 penetrating sideways, the locking hole 22 is a fastening protrusion 79 of the external device connector 70 to be described later to prevent the separation during electrical coupling do.

Two coupling protrusions 12 protruding from both sides are formed at the rear upper end of the shell 10, and a ground part 18 is formed at the rear lower end of the shell 10 to ground the shell 10.

On the other hand, the housing 50 is accommodated in the receiving portion 16 of the shell 10 and electrically coupled to the external device connector 70, the connection terminal portion 52 having a plurality of connection terminals on the front surface is The locking projections 54 and the projections 56 are formed at both sides of the housing 50, respectively, so that the aforementioned projections 12 are compressed between the locking projections 54 and the projections 56.

Therefore, the shell 10 is attached to the housing 50 so that the engaging projection 12 of the shell 10 is positioned between each engaging jaw 54 and the protrusion 52 of the housing 50, thereby allowing the housing ( The connecting portion 52 of the 50 is located in the receiving portion 16.

On the other hand, the external device connector 70 is connected to the cable 80 to supply data transmission or power to the connector (1) installed in the mobile phone 11, the body 17 is installed on the mobile phone 11 in the front The connection terminal portion 75 electrically connected to the connection terminal portion 52 of the connector 1 is formed. On the other hand, a button 73 is formed on both sides of the body 71, and leaf springs 77 interlocked with the button 73 are installed on both sides of the connection terminal portion 75, and at the ends of the leaf springs 77, respectively. Fastening protrusions 79 protruding from both sides are formed. An inclined surface is formed in the direction side part to which this fastening protrusion 79 is connected.

Referring to the state in which the connector 1 installed in the cellular phone 11 and the connector 70 of the external device are electrically connected to each other, first, a connector plug 60 for protecting the connector 1 of the cellular phone 11 is connected to the connector. Separate.

Next, when the connecting terminal portion 75 of the external device connector 70 is inserted into the receiving portion 16 of the shell 10, the inclined surface of the fastening protrusion 79 is in contact with the side of the shell 10, the leaf spring 77 ) Is pushed inward, the two connection terminals 52 and 75 are fully engaged with each other and the leaf spring 77 is opened again by the restoring force so that the fastening protrusion 79 is formed at the side of the shell 10. It is caught in the ball 22 and completely engaged.

On the other hand, at the time of disengagement, by pressing the button 73, the leaf spring 77 is pushed inward so that the fastening protrusion 79 is separated from the locking hole 22.

That is, in the above-described process, the conventional connector 1 should separate the connector plug 60 from the connector in order to connect the mobile phone 11 and the external device. In this way, the small connector plug 60 can be separated. Not only was it uncomfortable, there is no separate compensation place, so it is easily lost, and in this case, foreign matter or moisture is easily introduced from the outside, causing a failure.

In addition, in the process of separating or coupling the connector plug 60, the internal terminal is frequently damaged due to the inflow of the foreign matter.

In addition, the connection terminal portion 52 protrudes relatively to the outside, so that foreign matters, moisture, etc. are frequently lost, so that the connection terminal portion 52 has insufficient protection.

The present invention has been made to solve the above-described problems, the installation of the shutter sliding in accordance with the insertion and detachment of the external device connector in the shell forming the appearance of the connector to the electrical connection of the connection terminal and the external device of the housing. It is an object of the present invention to provide a method for assembling an electrical connection connector.

The configuration of the present invention devised to achieve the above object is as follows. The present invention is a hollow shell of the front open, the housing is installed in the shell is provided with a connection terminal in the front, while the slide is installed in the shell, while the coupling hole is formed in the front to penetrate the connection terminal of the housing Shutter to slide rearwards when entering the connection terminal portion of the external device connector, the connection terminal portion of the housing through the coupling hole to be electrically coupled with the connection terminal portion of the external device connector, and one end is fixed to the shutter and the other end to the shell In the method of assembling an electrical connector with a coil spring that acts as a restoring force on the shutter when it is fixed and the shutter slides backward, the connecting terminal part forming step of forming the connecting terminal part by stamping the upper and lower molds and over the connecting terminal part Housing forming process of forming housing by molding, Cutting process for cutting the rear, Shutter joining process for installing the shutter in the front of the housing, Shell joining process for accommodating the shutter and the housing inside the shell, Inserting into the through hole penetrated to both sides of the housing to fix one side to the shutter Spring insertion process to be made, characterized in that it comprises a coupling protrusion bending process for supporting the coil spring from the back by bending the coupling protrusion formed in the rear of the shell.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

First, after explaining the structure of the connector for electrical connection according to the present invention, the assembly method will be described.

Figure 3 is a perspective view of the connector for electrical connection according to the invention, Figure 4 is an exploded perspective view of the connector for electrical connection according to the invention, Figure 5 is an exploded perspective view of the connector for electrical connection according to the present invention from another angle. .

For reference, in the detailed description of the present invention, the connector installed in the mobile phone has been described as an example, but the present invention is not limited thereto and may be variously employed in various electronic devices such as a computer and an audio device.

As shown, the electrical connector 100 according to the present invention is largely composed of a shell 110, a shutter 140, a coil spring 160, and a housing 170. Here, the shell 110 is coupled to the shutter 140 and the housing 170 through a press-pressing process, the housing 170 having the connection terminal 171 is coupled to the rear of the shell 110, the shutter 140 Is installed so as to slide in a predetermined range from the inside of the shell 110 to the front and rear in response to the coupling and release of the external device connector 70.

In particular, the coil spring 160 interposed between the shutter 140 and the housing 070 exerts a restoring force on the shutter 140 when engaged with the external device connector 70, and therefore, when the disengagement is performed, the shutter 140 has the restoring force. ) To return to the forward home position of the shell (110).

Hereinafter, the structures and coupling relations of the shell 110, the shutter 140, and the housing 170 will be described.

The shell 110 is formed in a hollow rectangular cylindrical shape in which the front and the rear are open, and the accommodation unit 130 for receiving the shutter 140 and the housing 170 therein is formed.

A plurality of stoppers 113 protruding downward from the upper part of the shell 110 are formed. The stopper 113 is accommodated in the accommodating part 130 to block the shutter 140 sliding forward by the restoring force of the coil spring 160 so that the shutter 140 is separated from the accommodating part 130 of the shell 110. It prevents from being separated, and guides the coupling with the external device connector 70 by being located in a guide groove (not shown) formed on the upper surface of the connection terminal portion of the external device connector 70 in the process of coupling with the external device connector (70). .

The lower part of the cell 110 is formed with a guide portion 111 cut in the forward and backward by the sliding distance of the shutter 140, the guide portion 111 of the shutter 140 in the sliding process of the shutter 140 By guiding the guide protrusion 147 protruding below the shutter 140 during sliding, the shutter 140 is stably slid.

In addition, a fastener 127 vertically penetrated is formed at both sides of the guide part 111, and the fastening protrusion 177 of the housing 170 described later is fitted into the fastener 127 so that the housing 170 and the shell are fitted. Allow 110 to couple stably.

Fastening holes 115 that are horizontally penetrated are formed at both sides of the shell 110. The fastening hole 115 is such that when the connector 100 and the external device connector 70 according to the present invention is engaged, the fastening protrusion 79 of the external device connector 70 is not caught and detached, so that electrical connection is continued. do. In addition, the ground terminal 119 protruding downward from the shell 110 is formed.

Finally, on both sides of the shell 110, the pressing protrusion 120 is formed to protrude laterally and is compressed to the housing 170, and the coupling protrusion 123 is bent to be rounded in the direction. The engaging protrusion 123 is compressed to the rear of the housing 170, the protrusion 125 protruding in the lateral direction of the coupling protrusion 123 is pressed into the pressing groove 175 of the housing, the pressing projection 120 The coupling protrusion 123 and the protrusion 125 may be coupled to each other without being separated from the shell 110 of the housing 170.

The shutter 140 has a coupling hole 150 penetrating forward and rearward so that the connection end bar portion 171 of the housing 170 can penetrate through the shutter 140. When the connection terminal 75 of the external device connector 70 moves in the coupling direction through the receiving unit 130 and the shutter 140 slides backward, the coupling hole 150 is the rear of the shell 110. In other words, the connection terminal portion 171 of the housing 170 penetrates. Therefore, the connection terminal portion 171 of the housing 170 penetrating the coupling hole 150 and the connection terminal portion 75 of the external device connector 70 are electrically coupled to each other.

On both sides of the shutter 140, coupling guides 143 indicating the coupling direction of the external device connector 70 are formed on both sides, respectively, and the coupling guide 142 is coated with a fluorescent material to facilitate the user. To be recognized. In particular, the coupling guide 143 to perform weight loss to prevent shrinkage of the shutter 140.

A plurality of locking grooves 141 recessed inwardly are formed at an upper portion of the front surface of the shutter 140 to correspond to the stopper 113 formed on the shell 110. The stopper 113 of the light shell (110) in which the shutter 140 slides forward by the restoring force of the coil spring (160) is positioned in the locking groove (141), and the shutter (140) is the shell (110). It is not separated from.

A coil spring fixing protrusion 145 is formed at the rear of the shutter 140 to fix the position of the coil spring 160 at the center of the coil spring 160.

Accordingly, the coil spring 160 is located at one side of the coil spring fixing protrusion 145 and the other side of the coil spring 160 at the coupling protrusion 123 of the shell 110 through the through hole 173 of the housing 170. When the 140 is slid rearward, the restoring force is applied to the shutter 140 so that the shutter 140 can return to the win position through the restoring force upon disengagement.

In particular, the coil spring 160 is interviewed with each other through the shell 110 and the coupling protrusion 123 which are grounded through the ground terminal 119, thereby removing the induced current and magnetic field which may be generated by the coil structure to the ground. Prevent distortion of the signal.

Lastly, the housing 170 is installed at the rear end of the accommodating part 130 of the shell 110 and electrically connected to the external device connector 70 through the connection terminal part 171. ) Is connected to the ground terminal portion 171 is formed.

On both sides of the connection terminal portion 171, a through hole 173 in which the coil spring 160 is located is formed through the front and rear of the housing 170. Accordingly, the coil spring 160 passes through the through hole 173 and is interviewed with the inner surface of the coupling protrusion 123 of the shell 110 as described above.

The lower surface of the housing 170 is formed with a fastening protrusion 177 protruding downward, the fastening protrusion 177 is fitted to the fastener 127 is formed in the lower portion of the shell 110 as described above the housing 170 ) And the cell 110 is supported. In addition, the guide protrusion seating groove 179 recessed inwardly is formed between the fastening protrusions 177.

When the shutter 140 slides backward in the guide protrusion seating groove 179 and the connection terminal portion 75 of the external device connector 70 and the connection terminal portion 171 of the housing 170 are coupled to each other, the shutter 140 Guide protrusions 147 formed in the lower portion of the position.

A ground terminal seating recess 181 recessed inwardly is formed on the side of the housing 170 to correspond to the outer shape of the ground terminal 119 of the shell 110 so that the shell 110 is pressed against the housing 170. A ground terminal seating groove 181 in which the ground terminal 119 of 110 is located is formed.

The following describes the assembly process of the connector 100 according to the present invention.

Figure 7 is a block diagram showing the assembly process sequence of the electrical connection connector according to the present invention, Figure 8a, 8b, 8c, 8d, 8e, 8f, 8g, 8h is a flow chart of the assembly process of the electrical connection connector according to the present invention. to be.

The assembly process sequence consists of connecting terminal part forming process, housing forming process, cutting process, shutter joining process, shell joining process, spring inserting process, joining protrusion bending process, and battery terminal joining process.

For reference, although the battery terminal is not described in the above-described embodiment, it will be described here together because it is generally manufactured at the same time in this process.

a) Connection terminal part forming step (S10)

As shown in Figure 8a, by stamping (stamping) in the form of the connection terminal portion 171 through the upper (not shown) and the lower (not shown), it is formed to be applied to the embodiment of the present invention.

b) Housing forming process (S20)

As illustrated in FIG. 8B, the housing 170 and the connection terminal part 171 are coupled to the connection terminal part 171 manufactured by the connection terminal part forming process by over-molding in the form of the housing 170. . In particular, in the housing forming step (S20), the battery terminal insertion portion 190 is formed on both sides of the housing 170 of the present embodiment, and the battery terminal 200 is inserted into the rear of the battery terminal insertion portion 190. Insertion port 192 is formed.

c) cutting process (S30)

As shown in FIG. 8C, the carrier part 171a of FIGS. 8A and 8B formed at the front and the rear of the overmolded connection terminal part 171 are cut out.

d) Shutter combining process (S40)

As shown in FIG. 8D, the connection terminal part 171 penetrates the coupling hole 150 of the shutter 140, and together with the coil spring fixing protrusion 145, the through hole 173 on both sides of the housing 170. Install to be inserted. Therefore, the connection terminal unit 171 protrudes through the coupling hole 150, and the rear surface of the shutter 140 and the front surface of the housing 170 are in an interview state.

e) Shell bonding process (S50)

As shown in FIG. 8E, the engaging protrusion 123 of the shell 110 is inserted into the shutter 140 and the housing 170 from the rear of the shell 110 without being bent and received in the receiving portion 130. do.

f) Spring insertion process (S60)

As shown in FIG. 8F, the coil spring 160 is inserted into the through hole 173 of the housing 170 so that the coil spring fixing protrusion 15 of the shutter 140 is positioned at the center thereof.

g) bonding protrusion bending process (S70)

As shown in FIG. 8G, when the coil spring 160 is fully inserted into the through hole 173, the coil spring 160 is compressed, and then the coupling protrusion 123 behind the shell 110 is vertically bent to back the coil spring 160. Support from Therefore, since the coil spring 160 exerts a restoring force on the shutter 140, the shutter 140 moves until it is stopped by the stopper 113. That is, the shutter 140 is movable forward and rearward within a predetermined range in the receiving portion 130 of the shell 110, and is pushed backward when the external device connector 70 is engaged, and coil spring is released when the external device connector 70 is engaged. It is moved forward by the restoring force of 160 and stopped by the stopper 113.

h) Battery terminal coupling process (S80)

As shown in FIG. 8H, after the battery terminal 200 is coupled to the battery terminal insertion portions 190 at both sides of the housing 170, the rear carrier portion (not shown) is cut to finish the entire assembly process.

The present invention is not limited to the above-described embodiments and can be modified in various ways within the scope of the technical idea of the present invention.

According to the present invention configured as described above, by sliding a certain distance along the shutter is connected to the external device connector, the coupling is stable to prepare for external shock, and also to prevent the inflow of foreign matters in the interior to facilitate the failure Can be greatly reduced.

In addition, since the protection of the internal party does not need a stopper, it can be conveniently connected and used, and there is no problem caused by the loss of the stopper, so that it can be used for a long time without failure.

1 is a perspective view of a connector for electrical connection according to the prior art.

2 is a view showing an electrical connection state of the connector for electrical connection according to the prior art.

3 is a perspective view of the connector for electrical connection according to the present invention;

Figure 4 is a bottom perspective view of the connector for electrical connection according to the present invention.

5 is an exploded perspective view of the connector for electrical connection according to the present invention;

6 is an exploded bottom perspective view of the connector for electrical connection according to the present invention;

7 is a block diagram showing an assembly process sequence of the connector for electrical connection according to the present invention;

8A, 8B, 8C, 8D, 8E, 8F, 8G, and 8H are assembly process flowcharts of the connector for electrical connection according to the present invention.

*** Description of the symbols for the main parts of the drawings ***

100: connector 110: shell

111: guide portion 113: stopper

119: grounding terminal 123: coupling protrusion

140: shutter 141: locking groove

143: coupling guide 145: coil spring fixing protrusion

160: coil spring 170: housing

171 connection terminal 173 through-hole

Claims (1)

A hollow shell having an open front, a housing installed inside the shell and provided with a connecting terminal portion at the front, and slidably installed in the shell, while a coupling hole is formed at the front so that the connecting terminal portion of the housing can pass therethrough. A shutter for sliding to the rear when the connection terminal part of the external device connector enters, the connection terminal part of the housing protrudes through the coupling hole, and a shutter to be electrically coupled to the connection terminal part of the external device connector; In the assembling method of the connector for electrical connection provided with a coil spring that the other end is fixed to the shell to apply a restoring force to the shutter when the shutter is sliding backward, A connecting terminal portion forming step of forming a connecting terminal portion by stamping into an upper mold and a lower mold; A housing forming step of forming a housing by overmolding the connection terminal portion; Cutting process for cutting the front and rear of the connection terminal portion; A shutter coupling step of installing the shutter on the front bar of the housing; A shell coupling step of receiving the shutter and the housing in the shell; A spring insertion step of fixing the one side to the shutter by inserting the through-holes penetrated in both front and rear sides of the housing; And a coupling protrusion bending step for bending the coupling protrusion formed at the rear of the shell to support the coil spring at the rear.