KR20160088689A - Hold down device for flat cable connector and connector for connecting flat cable using thereof - Google Patents

Abstract

Disclosed is a technology related to a hold down device for a flat cable connector. According to the present invention, the hold down device for a flat cable connector includes: a hold down support unit inserted into a body of a connector to be supported; a hold down mounting unit extended from the hold down support unit to be mounted on a substrate and coming in contact with a predetermined ground pattern of the substrate; and a ground pin unit extended from the hold down support unit and coming in contact with a predetermined ground terminal of a plug connected to the connector, thereby simplifying a connector structure and a manufacturing process, and miniaturizing and lightening the connector.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hold-down device for a flat cable connector,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hold-down device for a flat cable connector and a connector for flat cable connection using the same, and more particularly, to a hold-down device for a flat cable connector which simplifies a connector structure and a manufacturing process, And a flat cable connection connector using the same.

A connector is used to electrically connect a circuit board and a circuit board, or a circuit board and an electronic component using a cable. In recent years, various display electronic devices such as laptops, tablet PCs, smart phones, and the like have been required to be miniaturized and lightweight. However, as the density of electronic devices mounted on circuit boards increases, The number of contacts provided in the connector-related device is rather increased.

Particularly, flat cables such as FPC (Flexible Printed Circuit) and FFC (Flexible Flat Cable) are formed by arranging several tens of conductors in the lateral direction in order to perform electrical connection in various electronic devices, The connectors for connection of such flat cables take up considerable area and volume on the circuit boards of electronic devices.

However, as disclosed in Korean Patent Registration No. 10-0879176, conventional techniques use separate stand-by hold down parts for mounting the flat cable connecting connector on the board, And it is difficult to provide a means for making it possible to reduce the weight of the connector.

In addition, as disclosed in Korean Patent Publication No. 2002-0002314 and the like, conventional techniques use flat flips installed in the connector body to rotate the flat cable inserted in the connector only in the vertical direction , There is a problem that it is not possible to sufficiently prevent the cable from being disconnected due to an external force or the connection failure phenomenon.

Accordingly, there is a demand for a technique that simplifies the connector structure and the manufacturing process of the flat cable, and that can eliminate rubbing or connection failure phenomena caused by an external force applied to a substrate or a cable.

It is an object of the present invention to provide a hold-down device for a flat cable connector which can simplify the structure and manufacturing process of the connector, make the connector compact and lightweight, and improve the mounting strength of the connector will be.

Another object of the present invention is to provide a flat cable connecting structure which can simplify the structure and manufacturing process of a connector and make it possible to miniaturize and lighten the connector as well as to prevent cable de- Connector.

According to an aspect of the present invention, there is provided a hold down device for a flat cable connector, comprising: a hold down support part inserted into and supported by a body of a connector; A hold down mounting portion extending from the hold down support portion and mounted on the substrate, the hold down mounting portion contacting with a predetermined ground pattern of the substrate; And a ground fin portion extending from the hold down support portion and contacting the predetermined ground layer of the flat cable connected to the connector.

In one embodiment, the ground pin portion includes: a contact portion contacting the ground layer of the flat cable; And a displacement portion having one end connected to the contact portion and the other end connected to the hold down support portion and contacting the ground portion of the flat cable by displacing the contact portion.

The contact portion may be curved in a direction opposite to a direction in which one end is in contact with the flat cable.

In one embodiment, the hold-down device may further include a hold-down fixing part formed to protrude to prevent detachment of the hold-down device by engaging with a predetermined groove provided in a body of the connector.

According to an aspect of the present invention, there is provided a connector for flat cable connection, comprising: a body portion having a cable receiving portion for receiving a flat cable; And a control unit which is installed on the body portion to hold down the body portion to the substrate and contacts the predetermined ground layer of the flat cable accommodated in the predetermined ground pattern of the substrate and the cable receiving portion, And a hold down portion for electrically connecting the pattern and the ground layer of the received flat cable.

In one embodiment, the hold down portion includes: a hold down support portion inserted into and supported by the body portion; A hold down mounting portion extending from the hold down support portion and mounted on the substrate, the hold down mounting portion contacting the ground pattern of the substrate; And a ground pin portion extending from the hold down support portion and contacting the ground layer of the received flat cable.

In one embodiment, the ground pin portion includes: a contact portion contacting the ground layer of the received flat cable; And a displacement portion connected at one end to the contact portion and connected at the other end to the hold down support portion to bring the contact portion into contact with the ground layer of the accommodated flat cable.

In one embodiment, the hold down portion may further include a hold down lock portion formed to protrude to prevent detachment of the hold down portion by engaging with a predetermined groove provided in the body portion.

In one embodiment, the connector includes: a contact portion provided on the body portion and in contact with a conductor pattern of the accommodated flat cable; And a flip portion rotatably installed on the body portion to open or close the cable receiving portion.

In one embodiment, the contact portion includes: a contact support portion inserted and supported in the body portion; A contact fin portion extending from the contact support portion and contacting the conductor pattern of the received flat cable; And a hinge pin portion extending from the contact support portion and hinged to a predetermined rotation axis of the flip portion.

In one embodiment, the contact portion may further include a contact fixing portion protruded to prevent detachment of the contact portion by engaging with a predetermined groove provided in the body portion.

In one embodiment, the flip portion presses the ground pin portion of the hold down portion when the flip portion is closed, thereby maintaining the contact state between the ground fin portion and the ground layer of the received flat cable.

In one embodiment, the body portion may include a predetermined locking groove, and the flip portion may include a latching protrusion that engages with the latching groove when the flip portion is closed and maintains the closed state of the flip portion.

In one embodiment, the flip portion may include a locking protrusion coupled with a predetermined stepped portion provided on the received flat cable to prevent detachment of the received flat cable when the flip portion is closed.

According to another aspect of the present invention, there is provided a connector for flat cable connection, comprising: a body having a cable receiving portion for receiving a flat cable at a front portion; A contact portion provided at a rear portion of the body portion and in contact with a conductor pattern of the flat cable housed in the cable receiving portion; And a ground layer disposed on the front portion of the body portion to hold down the body portion to the substrate and to contact the ground pattern of the substrate and the ground layer of the received flat cable in contact with a predetermined ground pattern of the substrate and a predetermined ground layer of the received flat cable. Wherein the hold down portion extends laterally of the body portion and is mounted on the substrate, wherein the hold down portion of the hold down portion is electrically connected to the ground of the substrate, wherein the hold down portion includes a hold down portion electrically connected to the contact portion, And a hold-down mounting portion for contacting the pattern.

According to the present invention, since the hold-down device for a flat cable connector performs the function of the ground pin, the structure and manufacturing process of the connector can be simplified, and the connector can be made smaller and lighter.

Further, by implementing the flat cable fixing structure on the flip of the connector, it is possible to prevent the cable from being disconnected due to an external force or the connection failure phenomenon.

Further, by mounting the front portion and the rear portion of the connector together on the board, the mounting strength of the connector can be improved.

It will be apparent to those skilled in the art that various embodiments of the present invention can be accomplished without departing from the spirit and scope of the invention.

1 is a front perspective view showing a connector for flat cable connection according to an embodiment of the present invention;
Fig. 2 is a rear perspective view showing the connector for flat cable connection shown in Fig. 1. Fig.
Fig. 3 is an exploded perspective view showing the connector for flat cable connection shown in Fig. 1. Fig.
4 is a view showing an example of a flat cable connection connector accommodating a flat cable.
5 is a perspective view illustrating a hold-down device for a flat cable connector according to an embodiment of the present invention;
6 is a view showing an operation of opening and closing the flip portion of the connector for flat cable connection according to the embodiment of the present invention.
FIG. 7 is a perspective view showing an example of a contact portion applied to a connector for flat cable connection according to an embodiment of the present invention; FIG.
8 is a view showing a closed state of the flip part;
9 is a partial cross-sectional view showing a closed state of the flip portion;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in order to clarify means for solving the technical problem of the present invention. In the accompanying drawings, the same reference numerals denote the same members. In the following description of the present invention, however, the description of related arts will be omitted if the gist of the present invention becomes obscure. In addition, the terms described below are defined in consideration of the functions of the present invention, and may be changed depending on the intention or custom of the designer, the manufacturer, and the like. Therefore, the definition should be based on the contents throughout this specification.

1 is a front perspective view of a connector for flat cable connection according to an embodiment of the present invention.

Fig. 2 is a rear perspective view of the connector for flat cable connection shown in Fig.

Fig. 3 is an exploded perspective view of the connector for flat cable connection shown in Fig.

1 to 3, a connector 100 for flat cable connection according to the present invention includes a body 110 and a hold-down part 120, and includes a contact part 130 and a flip part 140).

The body 110 corresponds to a body of the connector and may be made of an insulating material. In the front portion of the body 110, a cable receiving portion 112 accommodating a flat cable is provided. The flat cable is manufactured in the form of a flat band by disposing several tens of conductors in the lateral direction in order to perform electrical connection in various electronic apparatuses. The flat cable is made of a flexible printed circuit (FPC) or a flexible flat cable . In such a flat cable, a conductor pattern corresponding to a signal layer is formed on one surface, and a ground layer is formed on the other surface.

The hold down part 120 may be provided on the body part 110 to hold down the body part 110 to the substrate and may include a predetermined ground pattern of the substrate, And contacts a predetermined ground layer of the flat cable accommodated in the ground plane 112 to electrically connect the ground pattern of the substrate and the ground layer of the received flat cable.

Fig. 4 shows an example of a flat cable connection connector accommodating a flat cable.

4, the body 110 receives a flat cable 200 in a cable receiving portion 112 provided at a front portion of the body 110. The hold down part 120 is provided at a front part of the body part 110 and one end of the hold down part 120 is mounted on the substrate 300 to hold down the body part 110 to the substrate 300. In this case, the hold down part 120 is mounted so as to be in contact with the ground pattern 310 of the substrate 300. The hold down part 120 contacts the ground layer 210 of the flat cable 200 accommodated in the cable receiving part 112 to connect the ground pattern 310 of the substrate 300 and the received flat cable 200 are electrically connected to each other. To this end, the hold down unit 120 may be configured as a hold down apparatus for a connector according to the present invention.

5 is a perspective view of a hold-down device for a connector according to an embodiment of the present invention.

5, the hold-down device 120 for a connector according to the present invention includes a hold-down support portion 121, a hold-down mounting portion 122, and a ground pin portion 123. The hold-down device 120 may be manufactured using a conductive material such as metal to form the hold-down support 121, the hold-down mounting part 122, and the ground pin part 123 integrally.

The hold-down support part 121 is inserted and supported in the body of the connector. In this case, the hold-down support part 121 may be inserted in a predetermined slot (114 of FIG. 3) provided in the front part of the body part 110. [

The hold down mounting part 122 extends from the hold down support part 121 and is mounted on the substrate and contacts the ground pattern of the substrate. In this case, the hold-down mounting portion 122 may be mounted on the ground pattern of the substrate.

The ground pin portion 123 extends from the hold down support portion 121 and is in contact with the ground layer of the flat cable. The ground pin portion 123 may include a contact portion 124 contacting the ground layer of the flat cable and a contact portion 124 having one end connected to the contact portion 124 and the other end connected to the hold down support portion 121, And a displaceable portion 125 for displacing the contact portion 124 to contact the ground layer of the flat cable. At this time, the displacement part 125 is displaced by the flip part 140 such that the contact part 124 contacts the ground layer of the flat cable. Details will be described later.

In addition, in one embodiment, the hold-down device 120 includes a hold-down fixing part 126 protruding from the body of the connector to prevent detachment of the hold-down device 120, As shown in FIG.

As described above, since the hold-down device for a connector performs the function of a ground pin, it is possible to eliminate the connector structure and the space for installing a separate ground pin, thereby reducing the manufacturing cost by simplifying the structure and manufacturing process of the connector So that the connector can be made smaller and lighter.

In the present specification, the hold-down device according to the present invention is described as a hold down part applied to a connector for flat cable connection, but the present invention is not limited thereto. The hold-down device according to the present invention includes: It is needless to say that the present invention can be applied to various modified types of connectors connecting with a plug.

Meanwhile, the flat cable connector 100 may include a plurality of contact portions 130. The contact part 130 may be made of a conductive material and is provided on the body part 110 and contacts a predetermined conductor pattern corresponding to a signal layer of the received flat cable 200. The flip part 140 of the flat cable connection connector 100 may be made of an insulating material and is rotatably installed on the body part 110 to open or close the cable receiving part 112 .

Fig. 6 shows the operation of opening and closing the flip portion of the connector for flat cable connection according to the embodiment of the present invention.

As shown in FIG. 6, the flip part 140 is rotatably installed on the body 110 to perform a hinge operation. For this, the flip part 140 may include a predetermined rotation axis (142 in FIG. 3). The flip part 140 may be configured such that the rotation axis 142 of the flip part 140 is hinged to the contact part 130 to perform a hinge operation.

7 is a perspective view of an example of a contact portion applied to a connector for flat cable connection according to an embodiment of the present invention.

7, the contact portion 130 may include a contact support portion 131, a contact fin portion 132, and a hinge pin portion 135. The contact portion 130 may further include a contact mounting portion 137 . The contact portion 130 may be made of a conductive material such as metal to form the contact support portion 131, the contact fin portion 132, the hinge pin portion 135, and the contact mounting portion 137 integrally.

The contact support part 131 is inserted into the body part 110 and supported. In this case, the contact support part 131 can be inserted in a predetermined slot (116 in FIG. 2) provided at the rear part of the body part 110. [

The contact fin portion 132 extends from the contact support portion 131 and contacts the conductor pattern of the flat cable accommodated in the cable receiving portion 112. To this end, the contact fin portion 132 may include a contact protruding portion 133 and an extension portion 134. That is, the contact protruding part 133 directly contacts the conductor pattern of the received flat cable 200, and the extension part 134 is connected to the contact protruding part 132 at one end and the contact supporting part 131 and is supported by the bottom surface of the cable receiving portion 112 to maintain a contact state between the contact protruding portion 133 and the conductor pattern of the received flat cable 200.

The hinge pin portion 135 extends from the contact support portion 131 and is hinged to the rotation shaft 142 of the flip portion 140. To this end, the hinge pin portion 135 may include a hook-shaped coupling portion 136 at one end.

The contact portion 130 may include a contact fixing portion 138 protruding from the body portion 110 to prevent detachment of the contact portion 130 when the contact portion 130 is engaged with a predetermined groove .

The flip part 140 presses the ground pin part 123 of the hold down part 120 to close the ground pin part 123 and the accommodated flat cable 200 when the flip part 140 is closed. The ground layer 210 of the contact layer 210 can be brought into contact with each other and the contact state thereof can be maintained.

8 shows a closed state of the flip portion.

9 is a partial cross-sectional view of the closed state of the flip portion.

8 and 9, when the flip part 140 is closed, the flip part 140 presses the ground fin part 123 of the hold down part 120. As shown in FIG. In this case, the contact portion 124 of the ground pin portion 123 is formed in a flat shape having a flat top surface and a bottom surface so as to be pressed by the flip portion 140 to be in contact with the ground layer 210 of the received flat cable 200 . In the modified embodiment, the contact part 124 of the ground pin part 123 may be curved in a direction opposite to a direction in which one end of the ground pin part 123 contacts the flat cable 200. 5, the contact portion 124 of the ground pin portion 123 is curved upwardly in the direction opposite to the direction in which one end of the ground pin portion 123 contacts the flat cable 200, So that pressurization can be facilitated.

When the flip part 140 presses the ground pin part 123 downward, the contact part 124 of the ground pin part 123 is formed on the upper surface of the flat cable 200 inserted into the cable receiving part 112 Thereby maintaining the contact with the ground layer 210. In this case, the contact portion 130 is kept in contact with the conductor pattern, which is the signal layer 220 formed on the bottom surface of the received flat cable 200.

The body 110 may include a predetermined locking groove 118 and the flip part 140 may be formed in the locking groove 118 when the flip part 140 is closed. And a latching protrusion 146 for holding the flip part 140 in a closed state. 8, when the flip part 140 is closed, a latching protrusion 146 formed on a side surface of the flip part 140 is inserted into a side surface of the cable receiving part 112 of the body part 110 The flap part 140 can be kept in a closed state by engaging with the formed latching groove 118.

The flip part 140 may be formed in a predetermined stepped portion (not shown) of the accommodated flat cable 200 to prevent detachment of the received flat cable 200 when the flip part 140 is closed 4). The locking protrusion 144 may be formed of a metal plate. For example, the protruding portion 230 is provided on both sides of the flat cable portion accommodated in the cable receiving portion 112 so that the flat cable 200 accommodated in the cable receiving portion 112 when the flip portion 140 is closed The protrusion 230 and the locking protrusion 144 of the flip part 140 intersect with each other so that the flat cable 200 accommodated in the cable receiving part 112 can be fixed. As described above, by implementing the flat cable fixing structure in the flip of the connector, it is possible to prevent the cable from being disconnected due to external force or the connection failure phenomenon.

The contact portion 130 of the connector 100 for flat cable connection according to the present invention is provided at the rear portion of the body portion 110 and the contact mounting portion 137 of the contact portion 130 Down portion 120 of the flat cable connection connector 100 is mounted on the front portion of the body portion 110. The hold down portion 120 of the flat cable connection connector 100 is mounted on the front portion of the body portion 110, Down hold part 122 of the hold down part 120 may extend laterally of the body part 110 and may be mounted on the substrate. As described above, the mounting strength of the connector can be improved by mounting the front portion and the rear portion of the connector together on the board, and as a result, the durability of the connector with respect to external force and the like can be improved.

As described above, according to the present invention, since the hold-down device for a connector performs the function of the ground pin, the structure and the manufacturing process of the connector can be simplified, and the connector can be made smaller and lighter. Further, by implementing the flat cable fixing structure on the flip of the connector, it is possible to prevent the cable from being disconnected due to an external force or the connection failure phenomenon. Further, by mounting the front portion and the rear portion of the connector together on the board, the mounting strength of the connector can be improved. Furthermore, it is to be understood that various embodiments in accordance with the present invention may solve many technical problems in the art, as well as those described in the related art.

The present invention has been described with reference to specific embodiments. However, it will be apparent to those skilled in the art that various modifications may be made without departing from the scope of the present invention. Therefore, the above-described embodiments should be considered from an illustrative point of view, not from a limiting viewpoint. That is, the scope of the true technical idea of the present invention is set forth in the appended claims, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

100: Flat cable connection connector 110:
120: Hold down part 121: Hold down support part
122: hold down mounting part 123: ground fin part
126: hold-down fixing part 130: contact part
140: flip part 144: locking protrusion

Claims (15)

A hold down support portion inserted and supported in the body of the connector;
A hold down mounting portion extending from the hold down support portion and mounted on the substrate, the hold down mounting portion contacting with a predetermined ground pattern of the substrate; And
And a ground pin portion extending from the hold down support portion and contacting a predetermined ground layer of the flat cable connected to the connector. The method according to claim 1,
The ground pin portion
A contact portion contacting the ground layer of the flat cable; And
And a displacement part connected to the contact part and connected to the hold down support part at one end and contacting the ground layer of the flat cable by displacing the contact part. 3. The method of claim 2,
Wherein the contact portion is curved in a direction opposite to a direction in which one end is in contact with the flat cable. The method according to claim 1,
Wherein the hold-down device further comprises a hold-down fixing part formed to protrude to prevent detachment of the hold-down device by engaging with a predetermined groove provided in a body of the connector. A body portion having a cable receiving portion for receiving a flat cable; And
A ground pattern of the substrate and a ground pattern of the flat cable accommodated in the cable receiving portion, the ground pattern being formed on the substrate, And a hold down portion that electrically connects the ground layer of the accommodated flat cable to the ground layer of the accommodated flat cable. 6. The method of claim 5,
The hold-
A hold down support portion inserted and supported in the body portion;
A hold down mounting portion extending from the hold down support portion and mounted on the substrate, the hold down mounting portion contacting the ground pattern of the substrate; And
And a ground pin portion extending from the hold down support portion and contacting the ground layer of the received flat cable. The method according to claim 6,
The ground pin portion
A contact portion contacting the ground layer of the received flat cable; And
And a displacement portion connected to the contact portion at one end and connected to the hold down support portion at the other end to contact the ground layer of the accommodated flat cable by displacing the contact portion. The method according to claim 6,
Wherein the hold down part further comprises a hold down fastener coupled to a predetermined groove provided on the body part to protrude to prevent detachment of the hold down part. 9. The method according to any one of claims 6 to 8,
Wherein the connector comprises:
A contact portion installed in the body portion and contacting a conductor pattern of the received flat cable; And
Further comprising: a flip portion that is rotatably installed on the body portion and opens or closes the cable receiving portion. 10. The method of claim 9,
The contact portion includes:
A contact support portion inserted and supported in the body portion;
A contact fin portion extending from the contact support portion and contacting the conductor pattern of the received flat cable; And
And a hinge pin portion extending from the contact supporting portion and hinged to a predetermined rotation axis of the flip portion. 11. The method of claim 10,
Wherein the contact portion further comprises a contact fixing portion protruding from the contact portion to prevent detachment of the contact portion by engaging with a predetermined groove provided in the body portion. 10. The method of claim 9,
Wherein the flip portion presses the ground pin portion of the hold down portion when the flip portion is closed to maintain the contact state between the ground fin portion and the ground layer of the accommodated flat cable. 10. The method of claim 9,
Wherein the body portion includes a predetermined locking groove,
Wherein the flip portion includes a latching protrusion which is engaged with the latching groove to maintain the closed state of the flip portion when the flip portion is closed. 10. The method of claim 9,
Wherein the flip portion includes a locking protrusion which is engaged with a predetermined stepped portion provided on the accommodated flat cable so as to prevent detachment of the received flat cable when the flip portion is closed. A body portion having a cable receiving portion for receiving a flat cable at a front portion thereof;
A contact portion provided at a rear portion of the body portion and in contact with a conductor pattern of the flat cable housed in the cable receiving portion; And
A ground pattern of the substrate and a predetermined ground layer of the received flat cable so that the ground pattern of the substrate and the ground pattern of the received flat cable are held in contact with the ground pattern of the substrate, And a hold down portion for electrically connecting the ground layer of the received flat cable,
And a contact mounting portion extending from the rear of the body portion to be mounted on the substrate, wherein the hold-down portion extends laterally of the body portion to be mounted on the substrate and has a hold down mounting portion contacting the ground pattern of the substrate Connector for cable connection.

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