KR200356307Y1 - Connector for electric contacting - Google Patents

Abstract

The present invention provides a shutter sliding in accordance with the insertion and departure of the external device connector connecting terminal portion in the shell forming the appearance of the connector so that the connection terminal of the housing and the connecting terminal of the external device connector can be electrically connected through the shutter. A connector for electrical connection, comprising: a hollow shell having front and rear openings; a housing having a plurality of connection terminal portions provided in the shell and engaged with the connection terminal portions of an external device connector; On the other hand, a coupling hole through which the connection terminal portion of the housing penetrates is formed, and when the connection terminal portion of the external device connector enters the shell, the coupling terminal slides by being pushed to the connection terminal portion of the external device connector and is connected to the housing through the coupling hole. Shutter protruding terminal, one end fixed to the shutter and the other end A coil spring supported by the shell through the housing and exerting a restoring force on the shutter, and an entrance port through which the external device connector enters and is installed at an end of the shell to slide the shutter by the restoring force of the coil spring. It comprises a cover to block the sliding so that the shutter within a certain range.

Description

Connector for electric contacting

The present invention relates to a connector, and more particularly, a shutter sliding in accordance with insertion and detachment of an external device connector connection terminal part in a shell forming an external appearance of the connector, and the connection terminal part of the housing and the external device connector through the shutter. The present invention relates to a connector for electrical connection that allows the connection terminal of to be electrically connected.

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

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

1 is a perspective view of a connector for electrical connection according to the prior art, and FIG. 2 is a view showing an electrical connection state of the connector for electrical connection according to the prior art.

The conventional connector 1 shown is inserted into the lower end of the mobile phone 11 and is electrically connected to the connector 70 of the external device through the connection port, consisting of a shell 10 and a 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 downwardly round the front side is formed do.

On the side of the shell 10 is formed a locking hole 22 which penetrates laterally, the locking hole 22 is a fastening protrusion 79 of the external device connector 70 to be described later is removed when the electrical coupling To prevent.

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 pressed onto the housing 50 such 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 connector 70 of the external device is connected to the cable 80 to supply data transmission or power to the connector 1 installed in the mobile phone 11, the body 71 in front of the mobile phone 11 The connection terminal portion 75 which is electrically coupled with the connection terminal portion 52 of the connector 1 installed in the) 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 both sides of the leaf spring 77 end. The fastening protrusion 79 is formed to protrude. An inclined surface is formed in the direction side part to which this fastening protrusion 79 is connected.

Referring to a state in which the connector 70 installed on the mobile phone 11 and the connector 70 of the external device are electrically connected to each other, first, the connection plug 60 protecting the connector 1 of the mobile phone 11 is first described. Disconnect from the port.

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, when releasing the coupling by pressing the button 73 so that the leaf spring 77 is pushed inward so that the fastening protrusion 79 is separated from the engaging hole 22.

That is, in the above-described process, the connector 1 should be disconnected from the connector for connecting the mobile phone 11 and the external device. In this way, it was inconvenient to separate the small connector plug. In addition, since there is no separate storage place easily lost, in this case, foreign matter or moisture easily flows 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, by installing a shutter sliding in accordance with the insertion and detachment of the external device connector connection terminal portion in the shell forming the external appearance of the connector through the shutter terminal and the external of the housing It is an object of the present invention to provide a connector for electrical connection in which a connection terminal of an appliance connector can be electrically connected.

Another object of the present invention is to slide a certain distance along the shutter is connected to the external device to ensure that the combination is stable to prepare for external impact, and also to reduce the inflow of foreign matters inside the connector to eliminate the cause of the failure have.

In addition, there is no need for a plug for protecting the connection terminal inside the connector to be able to conveniently connect and use.

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 view showing an installation state of the connector for electrical connection according to an embodiment of the present invention.

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

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

Figure 6 is a bottom view of the connector for electrical connection according to an embodiment of the present invention.

7 is a bottom view showing an exploded state of the connector for electrical connection according to an embodiment of the present invention.

8 is a rear view of the connector for electrical connection according to an embodiment of the present invention.

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

100: connector 110: shell

111: guide portion 119: grounding terminal

123: coupling protrusion 130: receiving portion

140: shutter 141: locking groove

143: coupling guide 145: coil spring fixing protrusion

160: coil spring 170: housing

171 connection terminal 173 through-hole

180: cover 182: entrance

183: Stopper

The present invention devised to achieve the above object is as follows. That is, the connector for electrical connection of the present invention is a hollow shell having an open front and rear, a housing having a plurality of connection terminals installed in the shell and coupled with the connection terminal portion of an external device connector, which is slidable inside the shell. On the other hand, a coupling hole through which the connection terminal portion of the housing penetrates is formed, and when the connection terminal portion of the external device connector enters the shell, the coupling hole is pushed into the connection terminal portion of the external device connector and slides. A shutter protruding from the connection terminal part, a coil spring having one end fixed to the shutter and the other end supported by the shell through the housing and exerting a restoring force on the shutter, and an entrance port through which the external device connector is formed may be formed. The shutter is installed at an end and slides by the restoring force of the coil spring. To comprise the cover to allow the shutter to be slid within a certain range.

Here, the cover is formed of a synthetic resin, and has a stopper protruding inward to block the shutter.

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

3 is a view showing an installation state of the electrical connection connector according to an embodiment of the present invention, Figure 4 is a perspective view of the electrical connection connector according to an embodiment of the present invention, Figure 5 is an embodiment of the present invention 6 is an exploded perspective view of the connector for electrical connection, Figure 6 is a bottom view of the connector for electrical connection according to an embodiment of the present invention, Figure 7 is a bottom view showing an exploded state of the connector for electrical connection according to an embodiment of the present invention. 8 is a rear view of the connector for electrical connection according to the embodiment of the present invention.

As shown in FIG. 3, the electrical connection connector 100 of the present invention has been described with an example of being installed in the mobile phone 11, but the electrical connection connector 100 according to the present invention is a mobile phone 11. The present invention is not limited to the above) and may be used in various electronic devices such as a computer, audio, and the like.

As shown, the connector 100 for electrical connection according to the present invention, as shown in Figures 3 and 4, the shell 110 and the shutter 140, the coil spring 160, the housing 170, And a cover 180.

In this case, the shell 110 is coupled to the housing 170 through press-pressing, and a shutter 140 is installed therein. The shutter 140 corresponds to the coupling and disengagement of the external device connector 70. 110) It slides forward and backward a certain distance inside. That is, when the shutter 140 slides backward by being pushed by the connection terminal portion 75 of the external device connector 70, the connection terminal part 171 of the housing 170 protrudes through the shutter 140 and accordingly the external device connector The connection terminal portion 75 of the 70 and the connection terminal portion 171 of the housing 170 are coupled to each other.

In particular, the coil spring 160 interposed between the shutter 140 and the housing 170 exerts a restoring force on the shutter 140 so that a predetermined force must be exerted upon the coupling so that the shutter 140 can slide backwards. And, upon release, the shutter 140 is returned to the original position in front of the shell 110 so that the shutter 140 is fixed to the cover 180.

In this case, the cover 180 has an interference fit at the end of the shell 110, and when the shutter 140 is returned to the shutter 140 by the coil spring 160, the shutter 140 is fitted into the inlet 182 of FIG. 5. On the other hand, it is formed of a synthetic resin that is easy to control the appearance and color can be improved in the overall product design with the shell 110 is made of metal.

Hereinafter, the structures of the shell 110, the shutter 140, the housing 170, and the cover 180, and their coupling relationship will be described in detail.

Shell 110 is formed of a metal material as shown in Figure 5, the front and rear is formed in a hollow cylindrical shape, the shutter 140 and the housing 170 to accommodate the inside to be coupled to Receiving portion 130 is formed to be.

As shown in FIGS. 5 to 7, a lower portion of the shell 110 is formed with a guide part 111 cut in the forward and backward directions by the sliding distance of the shutter 140. The guide protrusion 147 protruding below the shutter 140 moves along the guide part 174, thereby allowing the shutter 140 to be stably slid.

In addition, fasteners 127 vertically penetrated are formed at both sides of the guide part 111, and the fastening protrusions 179 of the housing 170 described later are fitted into the fasteners 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 a coil spring 160 in a state in which the fastening protrusion 79 of the external device connector 70 shown in FIG. 2 is engaged when the connector 100 and the external device connector 70 according to the present invention are coupled. As the restoring force of) acts, stable electrical connection is made unless the user arbitrarily disengages it.

In addition, a ground terminal 119 bent downward is formed behind the shell 110. The ground terminal 119 is bent downward from both sides to be compressed to the side of the housing 170 to prevent the shell 110 from flowing by the external impact from the housing 170 with the grounding function. This will be described together with the separation prevention jaw 175 of the housing 170.

Finally, the coupling protrusion 123 is formed at both sides of the rear of the shell 110 to be bent downward and pressed to the rear surface of the housing 170. As shown in FIG. 8, the coupling protrusion 123 is pressed against the rear surface of the housing 170, and the shell 110 does not flow from an external impact from the housing 170 while supporting the coil spring 160. Do not This will be described together with the separation prevention jaw 175 of the housing 170.

As shown in FIGS. 4 to 7, the shutter 140 has a coupling hole 150 penetrating front and rear to penetrate the connection terminal portion 171 of the housing 170. When the shutter 140 is pushed by the connection terminal 75 of the external device connector 70 and slides backward when the connection terminal 75 of the external device connector 70 and the connection terminal part 171 of the housing 170 are coupled to each other. The connection terminal portion 171 of the housing 170 protrudes through the coupling hole 150 formed in the shutter 140, and the connection terminal portions 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 143 is coated with a fluorescent material to facilitate the user. To be recognized. In particular, the coupling guide portion 143 performs weight loss to prevent the shutter 140 from contracting.

In addition, the locking groove 141 is formed at the upper front of the shutter 140. As shown in FIG. 4, when the shutter 140 slides forward by the restoring force of the coil spring 160, the locking groove 141 is positioned on the stopper 183 of the cover 180, thereby providing a shutter ( 140 does not escape through the entrance 182 of the cover 180.

A coil spring fixing protrusion 145 is formed on the rear surface of the shutter 140 to protrude in the coupling direction of the external device connector 70 to fix the position of the coil spring 160 at the center of the coil spring 160.

As shown in FIGS. 5 and 7, the coil spring 160 is preferably located at one side of the coil spring fixing protrusion 145 and the other side of the shell 110 through the through hole 173 of the housing 170. When the shutter 140 is located in the engaging protrusion 123 of the sliding door 123, the restoring force is applied to the shutter 140 so that the shutter 140 can be returned to its original 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 the magnetic field that may occur due to the coil structure to the ground. This can prevent distortion of the required signal.

As shown in FIGS. 5 to 7, 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. The front terminal 171 is formed to be connected to the external device connector 70.

On both sides of the connection terminal portion 171, a through hole 173 in which the coil spring 160 is located therein 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.

In addition, the separation prevention jaw 175 is formed at both rear of the housing 170, the departure prevention jaw 175 is preferably protruded by the thickness of the shell 110 at both rear of the housing 170, the two sides The ground terminal 119 and the coupling protrusion 123 of each of the shells 110 are compressed to support the housing 170 to be fixed to the shell 110.

Cover 180 is formed of a synthetic resin, while the interference fit at the end of the shell 110 to prevent the shutter 140 from being separated from the shell 110 and to further enhance the appearance, the horizontal in the center Entry through holes 182 through which the connection terminal portion 75 of the external device connector 70 enters are formed, and stoppers protruding toward the center of the entry holes 182 at both upper corner portions forming the entry ports 182. 183 is formed. The stopper 183 is a locking groove 143 of the shutter 140 when the shutter 140 is slid by the restoring force of the coil spring 160 by disengaging the connection terminal 75 of the external device connector 70. Since the shutter 140 is stopped as shown in FIG. 4, the shutter 140 can be slid only within a predetermined range.

In particular, as described above, the cover 180 is formed of a synthetic resin can easily match the color and appearance to the shell 110 of the metallic material can further improve the overall design of the product.

The following describes a process of coupling the connector 100 and the external device connector 70 of the present invention.

First, in a state in which the shutter 140 is stopped by the cover 180 due to the restoring force of the coil spring 160, first, the connection terminal 75 of the external device connector 70 is the entrance 182 of the cover 180. When the shutter 140 is pushed while entering through the shutter 140, the shutter 140 slides backward so that the connection terminal 171 of the housing 170 penetrates the coupling hole 150 of the shutter 140. At the same time, the coil spring 160 is compressed. In particular, since the guide protrusion 147 moves along the guide portion 111 formed under the shell 110, sliding of the shutter 140 is made stable. In addition, the fastening protrusions 79 provided on both sides of the external device connector 70 are interviewed with the side of the shell 110, the plate spring 77 is pushed inward.

Subsequently, if the external device connector 70 continues to enter the receiving portion 130 of the shell 110, the shutter 140 slides completely backward to interview the front surface of the housing 170, and together with the housing 170. The connection terminal portion 171 of the through and protrudes through the coupling hole 150 formed in the center of the shutter 140, the connection terminal portion 75 of the external device connector 70 and the connection terminal portion 171 of the housing 170 is electrically Will be combined.

In addition, at this time, since the shutter 140 is slid rearward, the coil spring 160 is maximally compressed in the through hole 173, and the fastening protrusions 79 of the external device connector 70 are at the same time. Is caught by the fastening hole 115 formed at the side of the shell 110 by the restoring force of the leaf spring 77 prevents the coil spring 160 from being separated from each other with the restoring force. do.

On the other hand, if you want to disconnect the external device connector 70 and the connector 100 of the present invention, as described with reference to Figure 2, by pressing the button 73 of the external device connector 70 plate spring 77 Push inward to allow the fastening protrusion 79 to be separated from the fastening hole 115.

Accordingly, the connection terminal portion 75 of the external device connector 70 and the connection terminal portion 171 of the housing 170 are disengaged, and the shutter 140 slides forward by the restoring force of the coil spring 160 to return. As a result, the external device connector 70 is moved forward by being pushed by the shutter 140. As a result, the locking groove 141 of the shutter 140 is caught by the stopper 183 of the cover 180 and the shutter 140 is stopped by the cover 180.

On the other hand, as the shutter 140 slides backward, the connection terminal portion 171 of the housing 170 is separated from the coupling hole 150 formed in the center of the shutter 140.

The present invention is not limited to the above-described embodiment and can be implemented in various modifications within the range allowed by the technical idea of the present invention.

According to the present invention configured as described above, the external device is connected by sliding a certain distance along the shutter to ensure that the combination is stable to prepare for an external impact, and also to prevent the inflow of foreign matters inside the easy Can be greatly reduced.

In addition, since the plug for the protection of the internal terminal is not necessary, it can be conveniently connected and used, and it can be used for a long time without a trouble because the problem caused by the loss of the plug does not occur.

The cover installed at the end of the shell may be formed of a synthetic resin to arbitrarily represent a color that can be matched and harmonized with the color of the product appearance, and may be variously formed according to an order according to the shape of the product.

Claims (3)

Hollow shell with open front and rear sides; A housing installed in the shell and having a plurality of connection terminal portions coupled to the connection terminal portion of an external device connector; The coupling hole is slidably installed in the shell, and a coupling hole through which the connection terminal portion of the housing penetrates is formed, and when the connection terminal portion of the external device connector enters the shell, the coupling terminal slides to the connection terminal portion of the external device connector. A shutter through which a connection terminal of the housing protrudes through a ball; A coil spring having one end fixed to the shutter and the other end supported by the shell through the housing to apply a restoring force to the shutter; And And a cover formed at an end of the shell to access the external device connector to block the shutter sliding by the restoring force of the coil spring to allow the shutter to slide within a predetermined range. An electrical connector. The method of claim 1, The cover is an electrical connection connector, characterized in that the synthetic resin material. The method according to claim 1 or 2, And the cover includes a stopper protruding inward to block the shutter.