KR20160089216A - Improved connector device for connection structure - Google Patents

Abstract

The purpose of the present invention is to provide a connector device having a structure capable of providing the function of a board-to-board connector and the function of an RF connector in an integrated manner. The present invention provides the connector device comprising: a receptacle including a receptacle insulator, a first receptacle contact assembled onto the receptacle insulator with a determined pitch, receptacle hold-downs installed on both ends in the lengthwise direction of the receptacle insulator respectively, and a second receptacle contact arranged to be shielded by being surrounded by the receptacle hold-downs; and a plug including a plug insulator having a body capable of being inserted into the receptacle insulator, a first plug contact assembled onto the plug insulator with a pitch corresponding to the first receptacle contact, plug hold-downs installed on both ends in the lengthwise direction of the plug insulator respectively, and a second plug contact arranged to be shielded by being surrounded by the plug hold-downs. When the receptacle is coupled to the plug, the first receptacle contact comes into one-to-one contact with the first plug contact and simultaneously the second receptacle contact comes into contact with the second plug contact.

Description

[0001] IMPROVED CONNECTOR DEVICE FOR CONNECTION STRUCTURE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector device, and more particularly, to a connector device having a receptacle and a plug each having a hold-down, and having hold-downs engaged with each other when fastened between the receptacle and the plug.

The connector device is used for electrically connecting a circuit board and a circuit board, or a circuit board and an electronic component by using FPCB or the like.

2. Description of the Related Art In recent years, a connector device has been widely applied to a circuit board such as a portable terminal, and thinning has been required to meet the trend of miniaturization of electronic devices. In addition, as the density of electronic elements mounted on the circuit board increases, the number of contacts provided in the connector device increases, and the arrangement pitch between the contacts is also designed to be very narrow.

1, a plurality of receptacle contacts 12 are assembled to a receptacle 10 at a predetermined pitch in a receptacle insulator 11. The receptacle 10 includes a receptacle 10, And a plug contact 22 that is in contact with the receptacle contact 12 in one-to-one contact includes a plug 20 that is assembled at a predetermined pitch in a plug insulator 21.

The connector device is mainly used as a board-to-board connector because the contacts 12 and 22 are formed in a two-row pattern. The receptacle contacts 12 and the plug contacts 22 are connected to the receptacle-side cable and the plug-side cable, respectively, or are mounted on the circuit board. The receptacle side cable and the plug side cable or circuit of the circuit board are electrically connected when the plug 20 is fitted into the receptacle 10 and the receptacle contact 12 and the plug contact 22 are in contact with each other and conducted.

In the connector device having the above-described configuration, it is possible to transmit a circuit-related signal related to board-to-board connection, but it is impossible to transmit an RF signal which is vulnerable to signal interference. In order to transmit an RF signal, RF connectors should be used together. 2, the RF connector includes a receptacle 30 in which a receptacle terminal 32 is assembled to a receptacle insulator 31, and a receptacle terminal 32 which is fitted to the receptacle 30, A plug terminal 42 in contact with the plug insulator 41 includes a plug 40 assembled in a plug insulator 41. [

The receptacle 30 has a receptacle shield 33 which is disposed to surround the receptacle terminal 32 and provides a shielding function and the plug 40 is connected to the plug terminal 42 And a plug shielding portion 43 which is disposed so as to surround and provides a shielding function.

However, in the case of using a separate RF connector as described above, since the board-to-board connector and the RF connector are provided separately and must be separately fastened, not only a lot of work is required but also a problem that the size of the RF connector is small, have.

When an RF signal is to be transmitted using only a board-to-board connector without a separate RF connector, it is necessary to shield the RF signal at the connector connection portion to prevent signal interference. However, in the conventional connector device, There is a vulnerability.

In addition, when the conventional connector device is used for board-to-board connection of a high pin count, the one end in the longitudinal direction of the connector may not be completely fastened during the fastening operation. However, due to the structural limitation, And it is necessary to take measures against it.

It is an object of the present invention to provide a connector device having a structure capable of integrally providing a function of a board-to-board connector and a function of an RF connector.

It is another object of the present invention to provide a connector device capable of reducing the number of parts by shielding an RF signal by utilizing a hold down used for board mounting.

It is still another object of the present invention to provide a connector device having a structure capable of identifying incomplete fastening by using the contact between the receptacle-side contact and the plug-side contact.

It is another object of the present invention to provide a connector device having a structure in which a high-current signal is transmitted or grounded through coupling between a receptacle holddown and a plug hold down.

To achieve the above object, the present invention provides a receptacle comprising: a receptacle insulator; a first receptacle contact assembled at a predetermined pitch in the receptacle insulator; and a second receptacle contact provided at both ends of the receptacle insulator in the longitudinal direction, respectively; And a plug insulator having a body insertable into the receptacle insulator, a first plug contact assembled to the plug insulator at a pitch corresponding to the first receptacle contact, and a second plug contact provided at both ends in the longitudinal direction of the plug insulator, Wherein when the receptacle is coupled with the plug, the first receptacle contact and the first plug contact make a one-to-one contact with each other, and the second receptacle contact and the second plug contact And the connector is brought into contact with each other.

Wherein a circuit signal related to the board-to-board connection is transmitted by the contact between the first receptacle contact and the first plug contact, and the transmission of the RF signal by the contact between the second receptacle contact and the second plug contact Can be achieved.

The receptacle is provided with a receptacle holddown which surrounds the second receptacle contacts at both ends in the lengthwise direction of the receptacle insulator, and the receptacle holddown is provided at the both ends in the longitudinal direction of the plug insulator, A plug hold down may be provided.

The receptacle hold down may include a support plate having a body having a " C " shape in cross section, and a clip unit integrally formed with the support plate and extending perpendicularly from the edge of the support plate and coupled to the receptacle insulator have.

The receptacle hold down may include a clip portion extending from a center portion of the support plate and a clip portion extending from both of the 'C' shape of the support plate.

A terminal receiving groove is formed at a lower edge of the middle portion of the 'U' shape of the receptacle hold down, and the second receptacle contact is inserted into the terminal receiving groove to be spaced apart from the inner bottom surface of the receptacle insulator .

The second receptacle contact includes a bar-shaped support portion passing through the terminal accommodating groove, a contact portion protruding from a front surface of the support portion, and a lead portion connected to a rear end of the support portion and led out to the outside of the receptacle hold down And the contact portion of the second receptacle contact and the contact portion of the second plug contact can be brought into contact with each other at the time of fastening between the receptacle and the plug.

The inner side surface of the middle portion of the 'U' shape of the receptacle hold down may be provided with a grounding protrusion which can contact a part of the plug hold down.

Wherein the plug hold down includes a front shield plate disposed to cover upper surfaces of both ends of the plug insulator in the longitudinal direction, and a vertical shield plate integrally formed with the front shield plate and extending vertically from two edge portions opposed to each other in the longitudinal direction of the receptacle insulator, A pair of first side shield plates coupled to the inner and outer walls at both ends in the longitudinal direction of the plug insulator, and a pair of second side shield plates vertically extending from two edge ends of the plug shield insulator facing each other in the width direction of the plug insulator, And a pair of second side shield plates coupled to the outer wall in the width direction, wherein a part of the front shield plate accommodates the second plug contacts A terminal receiving hole can be formed.

The second plug contact may include a contact portion located in the terminal accommodating hole, a support portion bent and extended from the contact portion, and a lead portion bent and extended from the support portion.

The support portion may be bent and extended from the contact portion toward the bottom surface of the plug insulator, and the lead portion may be bent and extended from the support portion to the outside of the plug hold down.

The locking protrusion is provided on the outer surface of the second side shield plate provided on the plug hold down and the inner surface of the 'U' shape provided on the receptacle hold down, A fastening groove into which the projecting projection can be fastened can be provided.

Wherein the second receptacle contact and the second plug contact are provided so as to maintain a state separate from the receptacle hold down and the plug hold down, respectively, and the second receptacle contact and the second plug contact are provided so that the receptacle hold- It is preferable that the plug hold downs are electrically connected to each other in a state where they are engaged with each other.

At least one of the second receptacle contact and the second plug contact may be resiliently deformed when the second receptacle contact is in contact with the second plug contact.

Any one of the second receptacle contacts provided at both ends in the longitudinal direction of the connector may provide an input terminal of the electrical signal for engagement identification and the other may provide an output terminal of the electrical signal for the engagement identification.

The receptacle hold down and the plug hold down are engaged with each other when the receptacle is fastened with the plug and the receptacle hold down and the plug hold down are electrically connected with each other in the engaged state to provide a high current transfer or ground function have.

Wherein the first receptacle contact and the first plug contact are arranged on both sides in the longitudinal direction of the receptacle insulator and the plug insulator, and the receptacle and the plug are arranged in the height direction of the receptacle insulator and the plug insulator They can be fastened together and formed into one another.

According to the present invention, the connector device has the following effects.

First, by providing additional contacts at both ends of the receptacle insulator and at both ends of the plug insulator, different types of signals can be simultaneously transmitted.

Second, by using the hold down function to provide the shielding function, it is possible to transmit the circuit signal and the RF signal together.

Third, additional electrical connection means other than the contact can be realized by utilizing the hold down which is used for strengthening the mounting strength. It is possible to simplify the structure of the connector because the mechanical locking and the electrical connection can be made simultaneously between the holddowns when the receptacle and the plug are fastened together.

Fourth, a high current transfer or a ground function can be provided by implementing an additional electrical connection means utilizing a holddown having a relatively larger area than a contact.

Fifth, since the second receptacle contact is located in the vicinity of the bottom surface of the receptacle, the receptacle and the plug are sufficiently fastened to make contact between the second receptacle contact and the second plug contact, thereby preventing incomplete fastening and improving connection reliability.

Sixth, it is possible to identify incomplete connection by constructing a loop circuit by using terminals provided at both ends of the connector in the longitudinal direction as an input terminal and an output terminal, respectively.

Seventh, as the strength against the insulator is strengthened by the hold down, there is an advantage that the miniaturization and the lowering design of the connector are free.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given below, serve to further the understanding of the technical idea of the invention. And should not be construed as limiting.
1 is an exploded perspective view showing a configuration of a connector device for a board-to-
2 is an exploded perspective view showing a configuration of a conventional RF connector,
3 is an exploded perspective view showing a configuration of a connector device according to a preferred embodiment of the present invention,
FIG. 4 is a perspective view illustrating the structure of the first receptacle contact in FIG. 3,
FIG. 5 is a perspective view showing the configuration of the receptacle hold-down in FIG. 3 in detail,
Fig. 6 is a perspective view showing the configuration of the second receptacle contact in detail in Fig. 3,
FIG. 7 is a plan view showing the arrangement structure of the receptacle hold-down in FIG. 3,
FIG. 8 is a perspective view showing the configuration of the first plug contact in FIG. 3 in detail;
FIG. 9 is a perspective view showing the configuration of the plug hold down in FIG. 3,
10 is a perspective view showing the configuration of the plug hold down from another angle in Fig. 9,
11 is a perspective view showing the configuration of the second plug contact in detail in FIG. 3,
FIG. 12 is a plan view showing the arrangement structure of the plug hold down in FIG. 3,
13 is a plan view schematically showing a structure for providing a fastening identification function according to the present invention,
14 is a cross-sectional view showing a state in which the receptacle and the plug are fully engaged according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

3 is an exploded perspective view showing a configuration of a connector device according to a preferred embodiment of the present invention.

Referring to FIG. 3, a connector device according to a preferred embodiment of the present invention includes: A receptacle 100 having a first receptacle contact 102 and a second receptacle contact 104 and a first plug contact 202 and a second plug contact 204 fastened to the receptacle 100 And includes a plug 200.

The receptacle 100 includes a receptacle insulator 101 made of an insulating resin, a plurality of first receptacle contacts 102 assembled at a constant pitch along the longitudinal direction of the receptacle insulator 101, The assembled receptacle hold down 103 and the second receptacle contact 104 disposed inside the receptacle hold down 103.

The receptacle insulator 101 has a generally rectangular body. The rectangular body of the receptacle insulator 101 has a predetermined internal space for accommodating the plug 200 inserted in the height direction thereof.

The first receptacle contact 102 is provided by a resilient conductor bent in a form including a substantially U-shaped portion, as shown in Figure 4, so that the first plug contact 202 can be fitted .

The receptacle hold down 103 is provided at both ends in the longitudinal direction of the receptacle insulator 101, respectively. The receptacle hold down 103 is constituted by an elastic conductor which can be electrically connected while engaging with the plug hold down 203 at the time of fastening between the receptacle 100 and the plug 200. [

5, the receptacle hold down 103 includes a support plate 103a having a substantially U-shaped cross-section (see the dotted line in FIG. 7), and a support plate 103a And clip portions 103b to 103d which are integrally extended from the edge portion and are bent outwardly in a " C " shape.

The support plate 103a has a length and a height that can be disposed on the inner side surface of the wall provided at both ends in the longitudinal direction of the receptacle insulator 101 and the inner side wall vertically adjacent thereto.

On the inner surface of the middle portion of the 'D' shape on the support plate 103a, a grounding protrusion 103e having a predetermined shape capable of contacting a part of the outer surface of the plug hold down 203 is provided. In the support plate 103a, a terminal receiving groove 103f is formed at the lower edge of the middle portion of the 'D' shape. The terminal receiving groove 103f preferably has a through hole structure formed by cutting a part of the lower end edge of the support plate 103a so that the second receptacle contact 104 can be drawn inwardly from the outside of the support plate 103a Provide space.

The clip portions 103b to 103d are provided so as to correspond to three surfaces of a 'C' shape and are fixed to the receptacle insulator 101 to thereby substantially fix the receptacle hold down 103 to the receptacle insulator 101. [ It is preferable that the clip portion 103d located at the center of the 'C' shape has a structure divided into pieces having a size smaller than the length of the support plate 103a with respect to the width direction of the connector . According to this configuration, when the plug 200 is inserted, the center portion of the 'D' shape becomes more effectively inward when the force acts in the direction of opening the two portions opposite to each other in the ' So that the fastening force can be increased. The clip portion 103d located at the center of the 'D' shape is disposed integrally with the support plate 103a and covers the upper end of the longitudinally opposite end walls of the receptacle insulator 101. [

The clip portions 103b and 103c, which are respectively located on both sides of the 'D' shape on the support plate 103a, have a body including a substantially U-shaped portion. In addition, the curved portion of the clip portions 103b and 103c, that is, the upper edge portion, is provided with a round surface that can slide while contacting a locking projection 203i of a plug hold down 203 described later. In the support plate 103a, a locking groove 103g corresponding to the locking protrusion 203i is formed on the inner surface of the 'D' shape.

6, the second receptacle contact 104 includes a support portion 104b in the form of a bar preferably made of an elastic conductor, a contact portion 104a protruding from a front surface of the support portion 104b, And a lead portion 104c integrally connected to the rear end of the support portion 104b and led out to the outside of the receptacle hold down 103. [ The second receptacle contact 104 is provided to penetrate the terminal receiving groove 103f of the receptacle hold down 103 and is located in a space between the terminal receiving groove 103f and the inner bottom surface of the receptacle insulator 101, Is disposed close to the inner bottom surface of the receptacle insulator (101). At this time, it is preferable that the second receptacle contact 104 maintains a state of being electrically separated from the receptacle hold down 103.

The second receptacle contact 104 is fixed to the receptacle insulator 101 and is resiliently deformed while being brought into contact with the second plug contact 204 upon engagement between the receptacle 100 and the plug 20. A predetermined clearance must be secured between the second receptacle contact 104 and the inner bottom surface of the receptacle insulator 101 for resilient deformation of the second receptacle contact 104. [

As shown in FIG. 7, the second receptacle contact 104 is disposed so as to be surrounded by the 'C' -shaped support plate 103a of the receptacle hold-down 103, so that substantially three peripheral surfaces are shielded.

The plug 200 is composed of a plug insulator 201 made of an insulating resin and capable of forming a connection with the receptacle insulator 101. The plug insulator 201 is assembled at a constant pitch to the plug insulator 201 to correspond to the pitch of the first receptacle contact 102. [ A plug hold down 203 assembled at both ends of the plug insulator 201 and a second plug contact 204 disposed inside the plug hold down 203 are provided with a plurality of first plug contacts 202, do.

The plug insulator 201 has a body of a shape corresponding thereto so as to be insertable into an internal space provided on one surface of the receptacle insulator 101. [

The first plug contact 202 is provided by a resilient conductor bent in a form including a substantially U-shaped portion, as shown in Figure 8, so that it can be fitted into the first receptacle contact 102 .

The plug hold down 203 is provided at both ends in the longitudinal direction of the plug insulator 201, respectively. The plug hold down 203 is constituted by a resilient conductor which can engage with the receptacle hold down 103 at the time of engagement between the receptacle 100 and the plug 200 and can be electrically connected thereto.

9 and 10, the plug hold down 203 includes a front shield plate 203a and a pair of front shield plates 203a, A pair of first side shield plates 203c and 203d and a pair of second side shield plates 203e and 203e extending vertically from the other two side edges integrally formed with the front shield plate 203a, And mounting portions 203g and 203h bent outwardly from the ends of the second side shield plates 203e and 203f and extending outward.

The front shield plate 203a is a portion covering the upper ends of both ends in the longitudinal direction of the plug insulator 201. [ A terminal accommodating hole 203b is formed in a part of the front shield plate 203a and a part of the second plug contact 204 is positioned in the terminal accommodating hole 203b. The upper surfaces of both ends of the plug insulator 201 in the longitudinal direction are opposite to the bottom surface of the inner space of the receptacle insulator 101 when fastened between the receptacle 100 and the plug 200.

The pair of first side shield plates 203c and 203d are opposed to each other in the longitudinal direction of the receptacle insulator 201 while the plug hold down 203 is assembled to the plug insulator 201. At this time, The first side shield plate 203c is disposed so as to cover the longitudinal outer end surface of the plug insulator 201. [ On the other hand, the pair of second side shield plates 203e and 203f are arranged to face each other in the width direction of the plug insulator 201 and to cover the outer end face in the width direction of the plug insulator 201, respectively.

On the outer surface of the second side shield plates 203e and 203f, a locking protrusion 203i which can be fastened to the coupling groove 103g of the receptacle hold down is provided.

The mounting portions 203g and 203h are electrically connected to a predetermined substrate that protrudes from both sides of the second side shield plates 203e and 203f in the width direction of the connector and is exposed to the outside of the plug insulator 201, .

The second plug contact 204 includes a contact portion 204a having a predetermined shape as shown in FIG. 11, a support portion 204b extending integrally with the contact portion 204a and extending in the height direction of the plug insulator 201, And a lead portion 204c extending vertically from the support portion 204b. The support portion 204b is preferably wider than the contact portion 204a and the lead portion 204c so that the support portion 204b can be stably assembled and fixed to the plug insulator 201. [

12, at least the contact portion 204a of the second plug contact 204 is located in the terminal accommodating hole 203b, and the front shield plate 203a of the plug hold down 203, the pair of first side shields 203a, The terminals 203c and 203d and the pair of second side shield plates 203e and 203f are disposed so as to be surrounded by the terminals 203a and 203b so that the periphery excluding substantially the terminal receiving hole 203b is shielded, Down member 103 is shielded by the support plate 103a of the receptacle hold-down 103 when the receptacle 100 and the plug 200 are completely fastened together. Here, the support portion 204b is fixed to the plug insulator 201 inside the plug hold down 203 and the lead portion 204c is drawn out to the outside through the lower portion of the first side shield plates 203c and 203d. At this time, it is preferable that the second plug contact 204 is kept electrically separated from the plug hold down 203.

13 and 14, when the plug insulator 201 is inserted into the receptacle insulator 101 in the height direction of the connector when the receptacle 100 is fastened to the plug 200, And each first plug contact 202 is in one-to-one contact with the first receptacle contact 102, thereby transferring the circuitry signal that is involved in the board-to-board connection, and at the same time, the second receptacle contact 104, And the second plug contact 204 may be in contact with each other to transmit the RF signal.

In the present invention, whether or not the receptacle 100 and the plug 200 are completely fastened is determined as any one of the second receptacle contacts 104 provided at both ends in the longitudinal direction of the connector device, Is used as the input terminal of the electrical signal for engaging identification and the other is conveniently constituted by a predetermined loop circuit used as the output terminal of the electric signal for engagement identification. 14, when the receptacle 100 and the plug 200 are completely engaged and the receptacle hold-down 103 and the plug hold-down 203 are engaged with each other, the second receptacle contacts 104 And the second plug contact 204 are electrically in close contact with each other (see dotted circles), whereby a complete closed state can be identified.

When the plug 100 is fully engaged with the plug 200 as described above, the locking protrusion 203i of the plug hold down 203 is locked to the locking groove 103g of the corresponding receptacle hold down 103, So that the engagement state between the receptacle hold down 103 and the plug hold down 203 is stably maintained.

As described above, since the connector device according to the present invention is provided with the second receptacle contacts 104 and the second plug contacts 204 which are shielded by the receptacle hold down 103 and the plug hold down 203, 2 receptacle contact 104 and the second plug contact 204 can be used to transmit an RF signal that is vulnerable to signal interference. The structure in which the plug hold down 203 substantially surrounds the both ends of the plug insulator 201 can improve the breakage strength of the connector and improve the fastening force between the receptacle hold down 103 and the plug hold down 203, The foot force can be improved and the function of the high current signal transmission (or ground) can be stably provided by using the contact between the receptacle hold down 103 and the plug hold down 203.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not to be limited to the details thereof and that various changes and modifications will be apparent to those skilled in the art. And various modifications and variations are possible within the scope of the appended claims.

100: Receptacle 101: Receptacle insulator
102: first receptacle contact 103: receptacle hold down
103a, 203a: Support plate 103b, 103c, 103d:
103e: protruding portion for grounding 103f: terminal accommodating groove
104: second receptacle contacts 104a, 204a:
104b, 204b: Support parts 104c, 204c:
200: Plug 201: Plug insulator
202: first plug contact 203: plug hold down
203a: front shield plate 203b: terminal accommodating hole
203c, 203d: first side shield plate 203e, 203f: second side shield plate
203g, 203h: mounting portion 204: second plug contact

Claims (17)

A receptacle having a receptacle insulator, a first receptacle contact assembled at a predetermined pitch in the receptacle insulator, and a second receptacle contact provided at both ends in the longitudinal direction of the receptacle insulator; And
A plug insulator having a body insertable into the receptacle insulator, a first plug contact assembled to the plug insulator at a pitch corresponding to the first receptacle contact, and a second plug contact provided at both ends in the longitudinal direction of the plug insulator, And a plug,
The first receptacle contact and the first plug contact make one-to-one contact when the receptacle and the plug are fastened together, and the second receptacle contact and the second plug contact Wherein the first and second connectors are in contact with each other. The method according to claim 1,
The transfer of a circuit signal related to the board-to-board connection is made by the contact between the first receptacle contact and the first plug contact,
And the RF signal is transmitted by the contact between the second receptacle contact and the second plug contact. The method according to claim 1,
Wherein the receptacle is provided with a receptacle holddown which surrounds the second receptacle contacts at both ends in the longitudinal direction of the receptacle insulator,
Wherein the plug is provided with a plug hold down member which surrounds and shields the second plug contact at both ends in the longitudinal direction of the plug insulator. The method of claim 3, The receptacle hold-
And a clip portion integrally formed with the support plate and extending perpendicularly from an edge of the support plate and coupled to the receptacle insulator. 5. The method of claim 4,
Wherein the receptacle hold down includes a clip portion extending from a center portion of the support plate and a clip portion extending from both of the 'C' shape of the support plate. 6. The method of claim 5,
A terminal receiving groove is formed in the lower edge of the middle portion of the 'U' shape of the receptacle hold down,
And the second receptacle contact is inserted into the terminal receiving groove and arranged to be spaced apart from an inner bottom surface of the receptacle insulator. The connector according to claim 6, wherein the second receptacle contact comprises:
And a lead portion connected to a rear end of the support portion and led out to the outside of the receptacle hold down portion, wherein the lead portion protrudes from the front end surface of the support portion,
And the contact portion of the second receptacle contact and the contact portion of the second plug contact come into contact with each other when the receptacle is fastened to the plug. The method of claim 3,
And a grounding protruding portion capable of contacting a part of the plug hold down is provided on the inner side surface of the middle portion of the 'C' shape of the receptacle hold down. The method of claim 3,
Wherein the plug hold down includes a front shield plate disposed to cover upper surfaces of both ends of the plug insulator in the longitudinal direction, and a vertical shield plate integrally formed with the front shield plate and extending vertically from two edge portions opposed to each other in the longitudinal direction of the receptacle insulator, A pair of first side shield plates coupled to the inner and outer walls at both ends in the longitudinal direction of the plug insulator, and a pair of second side shield plates vertically extending from two edge ends of the plug shield insulator facing each other in the width direction of the plug insulator, And a pair of second side shield plates coupled to the outer wall in the width direction,
Wherein a portion of the front shield plate receives the second plug contact Terminal receptacle formed Wherein the connector is a connector. 10. The plug connector according to claim 9,
A contact portion located in the terminal accommodating hole; a support portion bent and extended from the contact portion; And a lead portion. 11. The method of claim 10,
Wherein the support portion is bent and extended from the contact portion toward the bottom surface of the plug insulator, and the lead portion is bent and extended so as to be drawn out from the support portion to the outside of the plug hold down. The method of claim 3,
The locking protrusion is provided on the outer surface of the second side shield plate provided on the plug hold down and the inner surface of the 'U' shape provided on the receptacle hold down, And a fastening groove is formed in the fastening portion so that the fastening protrusion can be fastened. The method of claim 3,
Wherein the second receptacle contact and the second plug contact are provided so as to maintain a state separate from the receptacle hold down and the plug hold down,
Wherein the second receptacle contact and the second plug contact are electrically connected to each other in a state where the receptacle hold down and the plug hold down are engaged with each other. 14. The method of claim 13,
Wherein at least one of the second receptacle contact and the second plug contact is resiliently deformed when the second receptacle contact is in contact with the second plug contact. 14. The method of claim 13,
Wherein one of the second receptacle contacts provided at both ends of the connector in the longitudinal direction thereof provides an input terminal of the electrical signal for engagement identification and the other provides an output terminal of the electric signal for engagement identification. The method of claim 3,
Wherein when the plug is held between the receptacle and the plug, the receptacle hold down and the plug hold down engage with each other,
Wherein the receptacle hold down and the plug hold down are electrically connected to each other in an engaged state to provide a high current transfer or ground function. The method according to claim 1,
Wherein the first receptacle contact and the first plug contact are arranged in rows along both sides of the receptacle insulator and the plug insulator,
Wherein the receptacle and the plug are fastened to each other in a height direction of the receptacle insulator and the plug insulator to be engaged with each other.

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