KR100566493B1 - Shutter structure of connector for electric contacting - Google Patents

Abstract

The present invention relates to a shutter structure of an electrical connection connector which is slid so as to be electrically connected to an insertion and removal of an external device in a shell forming an external appearance of a connector, and the connection terminal portion of the external device connector can enter therein. In the connector for electrical connection consisting of a hollow shell having a front open so that the front, and a housing having a plurality of connection terminals on the front side and the connection terminal portion for electrically coupling with the connection terminal portion of the external device connector In addition, the inner side of the shell is slidably installed, and a coupling hole through which the connection terminal part of the housing penetrates is formed, and the connection terminal part of the housing protrudes through the coupling hole while sliding backward when the connection terminal part of the external device connector enters to connect the external device connector. Shutters for electrical coupling with the terminals, One end is fixed to the shutter action of the restoring force to the shutter when the connection terminal portions of the housing are disengaged and comprises a coil spring to return to its original position.

Mobile Phone, Digital Camera, MP3, Camcorder, Connector, Terminal, Shutter

Description

Shutter structure of connector for electric contacting}

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 a bottom view of the connector for electrical connection according to the present invention;

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

Figure 7 is an exploded perspective view of the connector for electrical connection according to the present invention from another angle.

8A is a perspective view of a shell of the connector for electrical connection according to the present invention;

8B is a bottom view of the shell of the connector for electrical connection according to the present invention.

9A is a perspective view of a shutter of the connector for electrical connection according to the present invention;

9B is a rear view of the shutter of the connector for electrical connection according to the present invention;

10A is a bottom perspective view of a housing of the connector for electrical connection according to the present invention.

10B is a front view of a housing of the connector for electrical connection according to the present invention.

FIG. 11 is a cross sectional view taken along section AA ′ of FIG. 3; FIG.

12 is a sectional view of section B-B 'of FIG.

Figure 13a, 13b, 13c, 13d is a view showing a coupling process 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

The present invention relates to an electrical connection connector, and more particularly, to a shutter structure of an electrical connection connector that is slid so as to be electrically connected to an insertion and removal of an external device in a shell forming an external appearance of the connector.

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 and receive data or to charge a battery. .

For example, the connector for electrical connection of the cellular phone of FIG. 1 showing a connector according to the prior art is installed at the lower end of the cellular phone to perform data communication with an external device or to charge a battery.

Hereinafter, the problem with the structure of the conventional connector through the connector mounted on the mobile phone will be described in detail.

1 and 2, the conventional connector 1 is inserted into the lower end of the mobile phone 11 is 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 locking projections 14 protruding downward downward in the front upper end Is formed.

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 accommodating portion 16 of the shell 10 and electrically coupled to the external device connector 70, the connecting terminal portion 52 having a plurality of connecting terminals in the front side is It is formed to be located inside the receiving portion 16, the engaging jaw 54 and the projection 56 is formed on both sides of the housing 50, respectively, so that the above-mentioned locking projection 12 is the locking jaw 54 and the projection ( 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 A connection terminal portion 75 electrically connected to the connection terminal portion 52 of the connector 1 to be installed 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 portions. 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 the state in which the connector 70 installed in the mobile 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 mobile 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, 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 conventional connector 1 must separate the connector plug 60 from the connector in order to connect the mobile phone 11 and the external device, which is not only inconvenient to separate the plug connector. There is no separate storage place, so it is easily lost. In this case, foreign matters are easily introduced from the outside, which causes 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.

The present invention has been made in view of the above-mentioned problems, to provide a shutter structure of the connector for the electrical connection sliding to be electrically connected to the insertion and removal of the external device inside the shell forming the external appearance of the connector. There is this.

The present invention is to be sliding in accordance with the insertion and detachment of the external device connector, and to be able to conveniently connect without the need for a separate plug.

The configuration of the present invention devised to achieve the above object is as follows. The present invention provides a hollow shell having a front open to allow the connection terminal of the external device connector to enter the inside, and a plurality of connection terminals are provided at the rear of the shell and electrically connected to the connection terminal of the external device connector. In the connector for electrical connection consisting of a housing formed with a connecting terminal portion to be coupled, the coupling hole is formed to be slidable inside the shell, and a coupling hole through which the connecting terminal portion of the housing penetrates is formed so as to slide backward when entering the connecting terminal portion of the external device connector. The shutter protrudes through the ball to allow the connection terminal of the housing to be electrically coupled to the connection terminal of the external device connector, and once the connection terminal of the housing is fixed to the shutter to release the connection terminal of the housing, the restoring force acts on the shutter to return to the original position. Characterized in that it comprises a coil spring It shall be.

The shutter is formed on the front surface of the shutter and a fluorescent material is coated to indicate a coupling direction of the external device connector, and a coupling guide part is formed to prevent shrinkage of the shutter.

In addition, through-holes penetrating forward and backward are formed at both sides of the connection terminal part of the housing, and the coil spring is interviewed with the shell, and a coil spring fixing protrusion is formed at the rear of the shutter to protrude rearward to fix the coil spring.

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

Figure 3 is a perspective view of the connector for electrical connection according to the invention, Figure 4 is a bottom perspective view of the connector for electrical connection according to the invention, Figure 5 is a bottom view of the connector for electrical connection according to the invention, Figure 6 An exploded perspective view of the connector for electrical connection according to the present invention, Figure 7 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 connector of the present invention is not limited to the mobile phone, but may be variously employed in various electronic devices such as a computer, audio, and the like.

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 to slide back and forth a predetermined distance in the shell 110 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 170 exerts a restoring force on the shutter 140 when coupled with the external device connector 70, so that the coil spring 160 may The restoring force causes the shutter 140 to return to the original position in front of the shell 110.

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

Figure 8a is a perspective view of a shell of the connector for electrical connection according to the invention, Figure 8b is a bottom view of the shell of the connector for electrical connection according to the invention, Figure 9a is a perspective view of a shutter of the connector for electrical connection according to the invention 9B is a rear view of the shutter of the connector for electrical connection according to the present invention, FIG. 10A is a bottom perspective view of a housing of the connector for electrical connection according to the present invention, and FIG. 10B is a view of the connector for electrical connection according to the present invention. 11 is a sectional view of the section A-A 'of FIG. 7, and FIG. 12 is a sectional view of the section B-B' of FIG. 7.

As illustrated in FIGS. 8A and 8B, the shell 110 is formed in a hollow rectangular cylindrical shape in which the front and the rear are open. The shell 110 may accommodate the shutter 140 and the housing 170 therein and may be coupled thereto. The receiving unit 130 is formed.

A plurality of stoppers 113 protruding downward from the top of the shell 110 are formed. As shown in FIG. 3, 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. ) 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 of the external device connector 70 when the external device connector 70 is coupled with the external device connector 70. do.

4, 5, 8a, and 8b, the lower portion of the shell 110, there is formed a guide portion 111 cut in the forward and backward by the sliding distance of the shutter 140, this guide portion 111 By guiding the guide protrusion 147 protruding below the shutter 140 when the shutter 140 slides, 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 shown in FIG. To be done. 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 pressed against the housing 170, and the coupling protrusion 123 is bent to be rounded downward. 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 170 to be described later, the The compression protrusion 120, the coupling protrusion 123, and the protrusion 125 allow the housing 170 to be coupled without being separated from the shell 110.

As shown in FIGS. 9A and 9B, the shutter 140 has a coupling hole 150 penetrating forward and rearward to allow the connection terminal 171 of the housing 170 to penetrate. 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. As shown in the side, that is, as shown in Figure 10a, the connection terminal portion 171 of the housing 170 passes through. 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 143 is coated with a fluorescent material to facilitate the user. To be recognized. In particular, the coupling guide 143 is to perform a weight loss to prevent the 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. When the shutter 140 slides forward by the restoring force of the coil spring 160 in the locking groove 141, the stopper 113 of the shell 110 is positioned, 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.

As shown in FIG. 11, the coil spring 160 is preferably coupled to the shell 110 through one side of the coil spring fixing protrusion 145 and the other side through the through hole 173 of the housing 170. When the shutter 140 is located in the protrusion 123 and slides backward, the restoring force is applied to the shutter 140, thereby allowing the shutter 140 to return to its original position when the coupling is released.

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.

Lastly, as shown in FIGS. 10A and 10B, the housing 170 is installed at the rear end of the accommodating part 130 of the shell 110 to be electrically connected to the external device connector 70 through the connection terminal part 171. As it is connected, the ground terminal portion 171 connected to the external device connector 70 is formed in the front.

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.

The upper surface of the housing 170 is formed in the fastening protrusion 177 protruding upward, the fastening protrusion 177 is fitted to the fastener 127 formed in the lower portion of the shell 110 as described above, the housing ( 170 to support the combination of the shell (110). 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 corresponding to the outer shape of the ground terminal 119 of the shell 110 is formed at the side of the housing 170, so that the shell 110 is shown in FIGS. 3 and 4. The ground terminal seating groove 181 in which the ground terminal 119 of the shell 110 is located is formed so that the housing 170 may be compressed.

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

13A, 13B, 13C, and 13D are views illustrating a process of coupling the connector for electrical connection according to the present invention.

First, FIG. 13A illustrates a state before the connector 100 and the external device connector 70 of the present invention are coupled to each other. The external device connector 70 includes leaf springs 77 provided at both sides of the connection terminal unit 75. While fully open to both sides, the connector 100 of the present invention shows a state before the shutter 140 slides backward.

That is, the shutter 140 is pushed forward by the coil spring 160 installed at the rear and is blocked and fixed to the stopper 113 formed at the front end of the shell 110.

In addition, unlike the conventional connector 1 shown in Figs. 1 and 2, the connector can be coupled to the connector without having to remove the connector plug 60.

FIG. 13B is a view illustrating a state in which the front surface of the shutter 140 and the cross section of the connection terminal 75 are interviewed with each other by the coupling according to the instruction of the coupling guide 143 formed on the front surface of the shutter 140. The shutter 140 is not sliding backward.

FIG. 13C is a view illustrating a state in which the external device connector 70 moves in a coupling direction, and thus the connection terminal 75 of the external device connector 70 enters into the receiving part 130 of the shell 110.

In this state, the connection terminal portion 75 of the external device connector 70 enters the accommodation portion 130 of the shell 110, and the shutter 140 slides backward, thereby compressing the coil spring 160. . In addition, the shutter 140 is guided as the guide protrusion 147 formed at the lower portion thereof moves along the guide portion 111 formed at the lower portion of the shell 110.

In addition, the fastening protrusions 79 provided on both sides of the external device connector 70 are in contact with the side of the shell 110, the plate spring 77 is pushed inward.

13D is a view showing a state in which the external device connector 70 and the connector 100 of the present invention are completely coupled.

In this state, the external device connector 70 and the connector 100 of the present invention are completely electrically coupled, and the shutter 140 slides completely to the rear to interview the front surface of the housing 170, and together with the housing ( The connection terminal portion 171 of the 170 penetrates and protrudes through the coupling hole 150 formed at the center of the shutter 140 to be electrically connected to the connection terminal portion 75 of the external device connector 70.

In addition, since the shutter 140 is slid rearward, the coil spring fixing protrusion 145 formed in the shutter 140 penetrates the through hole 173 of the housing 170 and together with the coil spring 160. In this through hole 173, the state is compressed to the maximum.

In addition, the guide protrusion 147 under the shutter 140 is positioned in the guide protrusion seating groove 179 formed in the lower housing 170.

On the other hand, the fastening protrusions 79 of the external device connector 70 is projected to the fastening hole 115 formed on the side of the shell 110 by the restoring force of the leaf spring 77 in the fully coupled state coil spring 160 This restoring force prevents the two connection terminal portions 171 and 75 from being separated from each other.

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 The fastening protrusion 79 is separated from the fastening hole 115 by being pushed inwardly.

Accordingly, the shutter 140 slides forward by the restoring force of the coil spring 160 to return to the state of FIG. 13A and is released.

This is the same as the conventional connector disengagement process.

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

For example, although the embodiment of the present invention has been described through the connector installed in the mobile phone, it can be employed in various electronic devices such as a computer as described above.

 According to the present invention configured as described above, it is possible to slide according to the insertion and detachment of the external device connector, and also can be conveniently connected without the need for a separate connector.

The shutter is moved forward and backward as the external device connector is inserted or removed, thereby preventing foreign substances or water from entering the connector.

Claims (4)

A hollow shell having a front open to allow the connection terminal of the external device connector to enter the inside, and a plurality of connection terminals are provided at the rear of the shell and electrically coupled with the connection terminal of the external device connector. A housing in which a connection terminal part is formed, and a coupling hole slidably installed in the shell and penetrating through the connection terminal part of the housing are formed so as to slide backward when the connection terminal part of the external device connector enters to connect the housing through the coupling hole. A shutter for protruding the terminal portion to be electrically coupled to the connection terminal portion of the external device connector, and a coil for returning to the original position by applying a restoring force to the shutter when one end is fixed to the shutter and the connection terminal portion of the housing is released. Electrical connection beaker including spring In the batter, A front surface of the shutter is dug in a predetermined direction and a fluorescent material is coated to indicate a coupling direction of the connector of the external device and to prevent the shrinkage of the shutter. On both sides of the connecting terminal portion of the housing are formed through holes through the connecting terminal portion to the front and rear through the coil spring through the coil spring is interviewed with the shell through the through hole, The shutter structure of the connector for electrical connection, characterized in that the rear of the shutter is formed with a coil spring fixing protrusion for fixing the coil spring protruding rearward. delete delete delete

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