KR102266627B1 - Connector for Flat Cable - Google Patents

Abstract

The present invention includes a plurality of contacts connected to the flat cable for electrical connection between a flat cable and a substrate, a housing to which the contacts are spaced apart from each other along a first axial direction and coupled to each other, and a fixing part coupled to the housing, The fixing part includes a mounting mechanism for mounting on the board and a connection mechanism connected to the flat cable for electrical connection between the flat cable and the board, wherein the connection mechanism is connected to the flat cable from an upper side of the flat cable It relates to a connector for a flat cable comprising a first connecting member for becoming a second connecting member for being connected to the flat cable from a lower side of the flat cable.

Description

Connector for Flat Cable

The present invention relates to a connector for a flat cable for electrically connecting the flat cable to a substrate.

A connector is installed in an electronic device such as a mobile phone, a computer, a display device, a tablet computer, etc., and is used to electrically connect various parts installed in the electronic device to each other. A connector for a flat cable is a connector that electrically connects a flat cable such as a flexible flat cable (FFC) or a flexible printed circuit (FPC) to a board.

1 is a schematic perspective view of a connector for a flat cable according to the prior art.

Referring to FIG. 1 , a connector 10 for a flat cable according to the prior art includes a contact 11 for connecting to the flat cable, a housing 12 to which a plurality of contacts 11 are coupled, and the housing 12 . and a fixing part 13 for fixing to the substrate.

The contact 11 is coupled to the housing 12 so that one side is located inside the housing 12 . One side of the contact 11 is connected to a flat cable inserted into the housing 12 . The contact 11 is coupled to the housing 12 so that the other side is located outside the housing 12 . The other side of the contact 11 is mounted on the substrate. Accordingly, the contact 11 electrically connects the flat cable inserted into the housing 12 and the substrate.

A plurality of the contacts 11 are coupled to the housing 12 . The contacts 11 are coupled to the housing 12 to be spaced apart from each other at a predetermined distance along a first axial direction (X-axis direction).

The fixing part 13 is coupled to the housing 12 so as to be located outside the housing 12 . The fixing part 13 is mounted on the substrate, thereby fixing the housing 12 to the substrate.

An electronic device in which the connector 10 for a flat cable is installed has recently been required to be miniaturized while having high performance. As a part of it, there are cases in which application of a high current to the connector 10 for flat cables is required depending on the applied electronic device.

However, since the connector 10 for a flat cable according to the prior art is implemented to apply current using only the contacts 11, the temperature rises when the current applied to each of the contacts 11 increases according to the application of a high current. This causes a heat problem. In the case of increasing the allowable current by increasing the number of the contacts 11 in order to solve the heat problem, the connector 10 for a flat cable according to the prior art is the first axial direction as the number of the contacts 11 is increased. Since the length 10L is increased in the (X-axis direction), there is a problem in that it is difficult to implement downsizing of the electronic device.
The technology underlying the present invention is disclosed in Japanese Patent Application Laid-Open No. 2011-040246 (February 24, 2011) and Japanese Patent Application Laid-Open No. 2015-141796 (Aug. 3, 2015).

The present invention has been devised to solve the above-described problems, and to provide a connector for a flat cable that can increase the allowable current while reducing the length increase.

In order to achieve the above object, the present invention may include the following configuration.

A connector for a flat cable according to the present invention includes a plurality of contacts connected to the flat cable for electrical connection between the flat cable and a board; a housing in which the contacts are spaced apart from each other in a first axial direction and coupled to each other; and a fixing part coupled to the housing. The fixing part may include a mounting mechanism for being mounted on the board, and a connection mechanism connected to the flat cable for electrical connection between the flat cable and the board. The connecting mechanism may include a first connecting member for connecting to the flat cable from an upper side of the flat cable, and a second connecting member for connecting to the flat cable from a lower side of the flat cable.

According to the present invention, the following effects can be achieved.

The present invention is implemented so that the fixing part has both a fixing function for the housing and a energizing function for the flat cable, so that the fixing part having a larger volume than the conventional contact can take charge of all of the high current application can do it

The present invention can be implemented to increase the total allowable current without increasing the number of contacts through the fixing part, so that it can be implemented in a compact structure and can improve applicability to miniaturized electronic devices.

The present invention can reduce the number of contacts according to the size of the total allowable current required by the electronic device, thereby reducing manufacturing cost and enhancing product competitiveness.

1 is a schematic perspective view of a connector for a flat cable according to the prior art;
2 is a schematic perspective view of a connector for a flat cable according to the present invention;
3 is a schematic exploded perspective view of a connector for a flat cable according to the present invention;
Figure 4 is a side cross-sectional view showing the connector for a flat cable according to the present invention based on the II line of Figure 2;
5 is a schematic side view of a contact in a connector for a flat cable according to the present invention;
6 is a partial plan view of a connector for a flat cable according to the present invention;
7 is a schematic perspective view of a fixing part in the connector for a flat cable according to the present invention;
8 is a schematic side cross-sectional view showing the fixing part of the connector for a flat cable according to the present invention along the line II-II of FIG. 7;
9 is a schematic plan view of a fixing part in the connector for a flat cable according to the present invention;
10 is a schematic side view of a fixing part in the connector for a flat cable according to the present invention;
11 is a schematic perspective view of a fixing part according to a modified embodiment in the connector for a flat cable according to the present invention;
12 is a schematic plan view of a connector for a flat cable according to the present invention;
13 is a schematic perspective view showing a state in which the cover is rotated to a closed position in the connector for a flat cable according to the present invention;

Hereinafter, an embodiment of a connector for a flat cable according to the present invention will be described in detail with reference to the accompanying drawings.

2 to 4 , the connector 1 for a flat cable according to the present invention is installed in an electronic device to electrically connect the flat cable 100 (shown in FIG. 2 ) and the substrate 200 (shown in FIG. 4 ). used to connect to The flat cable 100 may be a flexible flat cable (FFC), a flexible printed circuit (FPC), or the like. The substrate 200 may be a printed circuit board (PCB).

In the connector 1 for a flat cable according to the present invention, a plurality of contacts 2 for electrical connection between the flat cable 100 and the board 200, the contacts 2 are arranged in a first axial direction (X-axis direction). ) and a housing 3 that is spaced apart from each other and coupled, and a fixing part 4 coupled to the housing 3 .

The contacts 2 are for connection to the flat cable 100 . The housing 3 is for supporting the contacts 2 and the fixing part 4 . The fixing part 4 is for fixing the housing 3 to the substrate 200 . The fixing part 4 includes a mounting mechanism 41 for being mounted on the board 200 , and a connection mechanism 42 for electrical connection between the flat cable 100 and the board 200 .

The mounting mechanism 41 is mounted on the substrate 200 to implement a fixing function of fixing the housing 3 to the substrate. The connection mechanism 42 is connected to the flat cable 100 to implement a energization function for electrically connecting the flat cable 100 and the substrate 200 . Accordingly, the fixing part 4 implements the fixing function and the energizing function.

The connecting mechanism 42 includes a first connecting member 421 (shown in FIG. 4 ) for connecting to the flat cable 100 from an upper side of the flat cable 100 , and a lower side of the flat cable 100 . and a second connecting member 422 (shown in FIG. 4 ) for connecting to the flat cable 100 . Accordingly, the fixing part 4 is implemented to be connected to both the upper and lower surfaces of the flat cable 100 .

Accordingly, the connector 1 for a flat cable according to the present invention can achieve the following effects.

First, in the connector 1 for a flat cable according to the present invention, both the contacts 2 and the fixing part 4 are connected to the flat cable 100, so that the flat cable 100 and the board 200 are ) to be electrically connected. That is, the fixing part 4 has a fixing function of fixing the housing 3 to the substrate 200 and a energizing function of electrically connecting the flat cable 100 and the substrate 200 . Accordingly, the connector (1) for a flat cable according to the present invention is implemented to increase the total allowable current without increasing the number of the contacts (2), thereby reducing the heat problem caused by the application of high current and at the same time An increase in length in the first axial direction (X-axis direction) can be reduced. Therefore, since the connector 1 for a flat cable according to the present invention is implemented to apply a high current in a compact structure, it can contribute to further improving the performance of the electronic device and to further miniaturizing the electronic device.

Second, the connector 1 for a flat cable according to the present invention is implemented to be connected to both the upper and lower surfaces of the flat cable 100 using the first connecting member 421 and the second connecting member 422 . . Therefore, the connector 1 for a flat cable according to the present invention can improve the connection reliability between the fixing part 4 and the flat cable 100 as well as the flat cable 100 and the board 200 It is possible to improve the stability of the electrical connection between the.

Hereinafter, the contact 2, the housing 3, and the fixing part 4 will be described in detail with reference to the accompanying drawings.

2 to 6 , the contact 2 is for electrically connecting the flat cable 100 to the substrate 200 . The contact 2 is connected to the flat cable 100 inserted into the housing 3 for electrical connection between the flat cable 100 and the substrate 200 . Accordingly, the contact 2 may be electrically connected to the flat cable 100 . The contact 2 is mounted on the board 200 from the outside of the housing 3 for electrical connection between the flat cable 100 and the board 200 . Accordingly, the contact 2 may be electrically connected to the substrate 200 . The contact 2 may be mounted on the substrate using a surface mounting technology (SMT). The contact 2 may be formed of a material having conductivity.

The contact 2 has one side (shown in FIG. 5 ) positioned inside the housing 3 and the other side ( 2b , shown in FIG. 5 ) protruding outside the housing 3 . (3) is combined. The other side 2b of the contact 2 is mounted on the substrate 200 to be electrically connected to the substrate 200 . One side (2a) of the contact (2) is connected to the lower surface of the flat cable (100) as the flat cable (100) is inserted into the housing (3), thereby electrically connecting the flat cable (100). can be connected to Accordingly, the contact 2 may electrically connect the flat cable 100 connected to one side 2a and the board 200 on which the other side 2b is mounted.

5 shows a contact 2 having a structure in which one side 2a of the contact 2 is connected to the lower surface of the flat cable 100, but the present invention is not limited thereto. It may be implemented in a structure connected to the upper surface of the flat cable 100 . The contact 2 may be implemented in a structure in which one side 2 is connected to both the upper and lower surfaces of the flat cable 100 . In this case, the flat cable 100 may be connected to the contact 2 by being inserted between one side 2 of the contact 2 .

A plurality of the contacts 2 are coupled to the housing 3 . The contacts 2 may be coupled to the housing 3 by being spaced apart from each other in the first axial direction (X-axis direction). Accordingly, the contacts 2 may be connected to different positions of the flat cable 100 with respect to the first axial direction (X-axis direction) and mounted at different positions of the substrate 200 . .

2 to 6 , the housing 3 supports the contacts 2 and the fixing part 4 . The contacts 2 and the fixing part 4 may be supported by the housing 3 by being coupled to the housing 3 , respectively. The housing 3 may be formed in a rectangular parallelepiped shape as a whole, but is not limited thereto, and may be formed in another shape as long as it can support the contacts 2 and the fixing part 4 .

The housing 3 may include a connection groove 30 (shown in FIG. 2 ). The flat cable 100 may be positioned inside the housing 3 by being inserted into the connection groove 30 . Each of the contacts 2 may be coupled to the housing 3 so that one side 2a is positioned in the connection groove 30 . The fixing part 4 may be coupled to the housing 3 so that the connection mechanism 42 is located in the connection groove 30 . Accordingly, the flat cable 100 can be connected to each of the contacts 2 and the fixing part 4 by being inserted into the connection groove 30 . The flat cable 100 may be inserted into the connection groove 30 and spaced apart from the connection groove 30 by moving in the second axial direction (Y-axis direction). The second axial direction (Y-axis direction) is a direction perpendicular to the first axial direction (X-axis direction).

The housing 3 may include a plurality of coupling grooves 31 (shown in FIG. 6 ). The coupling grooves 31 are formed to be spaced apart from each other in the first axial direction (X-axis direction). The coupling grooves 31 may be formed in a portion of the housing 3 in which the connection groove 30 is formed. Each of the contacts 2 may be coupled to the housing 3 so as to be inserted into the coupling groove 31 . One side 2a of the contact 2 may be inserted into the coupling groove 31 . The coupling groove 31 may not be formed in a portion of the housing 3 where the connection mechanism 42 is located. In this case, the fixing part 4 may be coupled to the housing 3 so that the connection mechanism 42 is positioned inside the housing 3 without being inserted into the coupling groove 31 . Although not shown, the fixing part 4 may be coupled to the housing 3 so that the connection mechanism 42 is inserted into the coupling groove 31 . A part of the connection mechanism 42 may be inserted into the coupling groove 31 . The coupling groove 31 into which the connection mechanism 42 is inserted has a longer length in the first axial direction (X-axis direction) than the coupling groove 31 into which the one side 2a of the contact 2 is inserted. can be formed with

2 to 8 , the fixing part 4 is configured to fix the housing 3 to the substrate 200 and electrically connect the flat cable 100 to the substrate 200 at the same time. will be. The fixing part 4 is coupled to the housing 3 . A part of the fixing part 4 is located inside the housing 3 and connected to the flat cable 100 , and a part of the fixing part 4 is located outside the housing 3 and mounted on the board 200 . It may be coupled to the housing 3 . The fixing part 4 may be mounted on the substrate 200 using a surface mounting technique. The fixing part 4 may be formed of a conductive material.

The fixing part 4 includes the mounting mechanism 41 and the connection mechanism 42 .

The mounting mechanism 41 is for mounting on the substrate 200 . The mounting mechanism 41 is mounted on the board 200 , thereby having a fixing function of fixing the housing 3 to the board 200 and electrically connecting the flat cable 100 to the board 200 . It is possible to implement the energization function. The fixing part 4 may be coupled to the housing 3 so that the mounting mechanism 41 is located outside the housing 3 .

The connecting mechanism 42 is for connecting to the flat cable 100 . The flat cable 100 is inserted into the housing 3 and connected to the connection mechanism 42 , so that the flat cable 100 is electrically connected to the board 200 through the connection mechanism 42 and the mounting mechanism 41 . can be connected The fixing part 4 may be coupled to the housing 3 so that the connection mechanism 42 is located inside the housing 3 . The connection mechanism 42 may be located in the connection groove 30 to be connected to the flat cable 100 inserted into the connection groove 30 .

The connection mechanism 42 may be formed to have a longer length than each of the contacts 2 based on the first axial direction (X-axis direction). Accordingly, the connection mechanism 42 is implemented to have a larger allowable current than each of the contacts 2 . Accordingly, the connector 1 for a flat cable according to the present invention can achieve the following effects.

First, the connector 1 for a flat cable according to the present invention is implemented to further increase the allowable current of the fixing part 4, so that it is possible to further reduce the heat problem caused by the high current application and at the same time apply a high current It can be implemented so that it can contribute to further improving the performance of electronic devices.

Second, since the connector 1 for a flat cable according to the present invention can further increase the total allowable current without increasing the number of the contacts 2 through the fixing part 4, the first axial direction (X-axis) direction) can be implemented in a compact structure by further reducing the length increase in the direction. Therefore, the connector 1 for a flat cable according to the present invention can contribute to further miniaturization of electronic devices, and can improve applicability to miniaturized electronic devices.

Third, the connector 1 for a flat cable according to the present invention increases the allowable current of the fixing part 4, thereby reducing the number of the contacts 2 according to the size of the total allowable current required in the electronic device. It is possible. In this case, the connector 1 for a flat cable according to the present invention can be implemented in a more compact structure by reducing the length in the first axial direction (X-axis direction) through a reduction in the number of the contacts 2 . . In addition, since the connector 1 for a flat cable according to the present invention can reduce manufacturing costs by reducing the number of the contacts 2 , product competitiveness can be strengthened.

Here, the fixing part 4 may be implemented to have a larger volume than each of the contacts 2 . Accordingly, the fixing part 4 is implemented to have a larger allowable current than each of the contacts 2 . In this case, the connector 1 for a flat cable according to the present invention may be implemented so that the fixing part 4 applies a larger current by the current applied by each of the contacts 2 . That is, the fixing part 4 may take charge of a function of applying a higher current compared to each of the contacts 2 . Each of the contacts 2 may serve to apply a lower current compared to the fixing part 4 .

For example, in the connector 1 for a flat cable according to the present invention, the fixing part 4 is responsible for applying a current of 7A (Ampere) or more and 10A or less, and each of the contacts 2 has a current of 0.5A It may be implemented to take charge of the function of authorizing . In this case, in the connector 1 for a flat cable according to the present invention, the fixing part 4 is used to apply power, and each of the contacts 2 can be used to apply a signal (Sinal). . In the connector 1 for a flat cable according to the present invention, the fixing part 4 is used to apply a signal, and some of the contacts 2 among the contacts 2 may be used to apply power.

2 to 8 , the connection mechanism 42 includes the first connection member 421 (shown in FIG. 8 ) and the second connection member 422 (shown in FIG. 8 ).

The first connecting member 421 is to be connected to the flat cable 100 from the upper side of the flat cable 100 . The first connecting member 421 may be disposed at a position spaced apart from the second connecting member 422 in the upper direction (UD arrow direction). The flat cable 100 may be inserted between the first connecting member 421 and the second connecting member 422 by moving in an insertion direction (ID arrow direction). Accordingly, the first connecting member 421 may be electrically connected to the flat cable 100 by being connected to the upper surface of the flat cable 100 from the upper side of the flat cable 100 . In this case, the first connection member 421 may be connected to a first connection terminal (not shown) located on the upper surface of the flat cable 100 .

The first connection member 421 may be formed to have a longer length than each of the contacts 2 based on the first axial direction (X-axis direction). Accordingly, the connection mechanism 42 may be implemented to have a larger allowable current than each of the contacts 2 through the first connection member 421 . Accordingly, the connector 1 for a flat cable according to the present invention can further reduce the heat problem caused by the application of high current and, at the same time, can be implemented to apply high current, thereby contributing to further improving the performance of electronic devices. In addition, since the connector 1 for a flat cable according to the present invention can further increase the total allowable current without increasing the number of the contacts 2, it can contribute to further miniaturization of the electronic device as well as the miniaturized electronic device. applicability can be improved.

The second connection member 422 is to be connected to the flat cable 100 from the lower side of the flat cable 100 . The second connection member 422 may be disposed at a position spaced apart from the first connection member 421 in a downward direction (a DD arrow direction). When the flat cable 100 moves in the insertion direction (ID arrow direction) and is inserted between the first connecting member 421 and the second connecting member 422 , the second connecting member 422 is It may be connected to the lower surface of the flat cable 100 from the lower side of the flat cable 100 . Accordingly, the second connection member 422 may be electrically connected to the flat cable 100 . In this case, the second connection member 422 may be connected to a second connection terminal (not shown) located on the lower surface of the flat cable 100 .

The second connection member 422 may be formed to have a longer length than each of the contacts 2 based on the first axial direction (X-axis direction). Accordingly, the connection mechanism 42 may be implemented to have a larger allowable current than each of the contacts 2 through the second connection member 422 . Accordingly, the connector 1 for a flat cable according to the present invention can further reduce the heat problem caused by the application of high current and, at the same time, can be implemented to apply high current, thereby contributing to further improving the performance of electronic devices. In addition, since the connector 1 for a flat cable according to the present invention can further increase the total allowable current without increasing the number of the contacts 2, it can contribute to further miniaturization of the electronic device as well as the miniaturized electronic device. applicability can be improved.

The second connection member 422 and the first connection member 421 may be formed to have the same length in the first axial direction (X-axis direction). The second connecting member 422 and the first connecting member 421 may be formed to have different lengths based on the first axial direction (X-axis direction).

2 to 8 , the connection mechanism 42 may include an elastic connection member 423 (shown in FIG. 8 ).

The elastic connection member 423 is for connecting the first connection member 421 and the second connection member 422 . The elastic connecting member 423 includes the first connecting member 421 and the second connecting member 422 so that the first connecting member 421 moves elastically depending on whether the flat cable 100 is connected or not. ) can be connected.

Accordingly, when the flat cable 100 moves in the insertion direction (ID arrow direction) and is inserted between the first connecting member 421 and the second connecting member 422, the first connecting member 421 may be pressed by the flat cable 100 to move in the upward direction (UD arrow direction). In this case, the elastic connecting member 423 has a restoring force as the first connecting member 421 moves in the upward direction (UD arrow direction). Accordingly, the first connecting member 421 may press the flat cable 100 by using the restoring force provided from the elastic connecting member 423 . By the pressing force applied to the flat cable 100 , the flat cable 100 presses the second connection member 422 . Accordingly, the connector 1 for a flat cable according to the present invention increases the connecting force of the first connecting member 421 and the second connecting member 422 to the flat cable 100 by increasing the flat cable 100 . Connection stability to the cable 100 can be improved.

When the flat cable 100 moves in the separation direction (SD arrow direction) and separates from between the first connection member 421 and the second connection member 422 , the first connection member 421 is It can move in the downward direction (DD arrow direction) by the restoring force provided from the elastic connection member 423 . The separation direction (SD arrow direction) is opposite to the insertion direction (ID arrow direction).

The elastic connection member 423 may be disposed to be positioned in the insertion direction (ID arrow direction) with respect to the first connection member 421 and the second connection member 422 . The elastic connection member 423 , the first connection member 421 , and the second connection member 422 may be integrally formed. In this case, the elastic connecting member 423 , the first connecting member 421 , and the second connecting member 422 may be formed by bending a plate material.

The elastic connection member 423 may be formed to form a curved surface. Accordingly, the connector 1 for a flat cable according to the present invention can further increase the length of the connection mechanism 42 through the elastic connection member 423 . Accordingly, the connector 1 for a flat cable according to the present invention can achieve the following effects.

First, the connector 1 for a flat cable according to the present invention increases the length of the connection mechanism 42 , so that the first connection member 421 elastically according to whether or not the connection to the flat cable 100 is connected. It is possible to increase the elastic force and restoring force for moving. Accordingly, the connector 1 for a flat cable according to the present invention can increase the connection force between the connection mechanism 42 and the flat cable 100 .

Second, the connector 1 for a flat cable according to the present invention increases the elastic displacement of the first connection member 421 by increasing the length of the connection mechanism 42 through the elastic connection member 423. Not only that, it is possible to reduce plastic deformation occurring in the first connecting member 421 . Accordingly, in the connector 1 for a flat cable according to the present invention, the connecting force between the connection mechanism 42 and the flat cable 100 can be further increased by increasing the elasticity, and at the same time, through the reduction of plastic deformation, the It is possible to extend the service life for the fixing part (4).

Third, in the connector 1 for a flat cable according to the present invention, the volume of the fixing part 4 can be further increased by increasing the length of the connection mechanism 42 through the elastic connection member 423 . . Accordingly, the connector for a flat cable according to the present invention (1) can further increase the allowable current of the fixing part (4). Accordingly, the connector 1 for a flat cable according to the present invention can further reduce the heat problem caused by the application of a high current, and is implemented in a compact structure to further improve applicability to miniaturized electronic devices.

The elastic connection member 423 may be bent so that the center of curvature is located in the separation direction (SD arrow direction). An elastic groove 420 (shown in FIG. 8 ) may be positioned between the first connecting member 421 and the second connecting member 422 . The first connecting member 421 may move elastically depending on whether or not it is connected to the flat cable 100 through the elastic groove 420 .

The elastic connecting member 423 may be coupled to each of the first connecting member 421 and the second connecting member 422 , thereby connecting the first connecting member 421 and the second connecting member 422 . have. The first connecting member 421 may be formed to be inclined so as to decrease in height from one side connected to the elastic connecting member 423 toward the other side opposite to the one side. That is, the first connecting member 421 may be formed to be inclined in the downward direction (DD arrow direction) so that the height of the first connection member 421 decreases in the separation direction (SD arrow direction). Accordingly, the connector 1 for a flat cable according to the present invention can achieve the following operational effects.

First, the connector 1 for a flat cable according to the present invention can further increase the length of the connection mechanism 42 by increasing the length of the first connection member 421 . Accordingly, the connector 1 for a flat cable according to the present invention can further increase the elastic displacement of the first connecting member 421 as well as plastic deformation occurring in the first connecting member 421. can be reduced Accordingly, the connector 1 for a flat cable according to the present invention can further increase the connection force between the connection mechanism 42 and the flat cable 100 through an increase in elastic displacement, and at the same time, through a reduction in plastic deformation, the It is possible to further extend the service life for the fixing part (4).

Second, the connector 1 for a flat cable according to the present invention can further increase the volume of the fixing part 4 by increasing the length of the first connecting member 421 . Accordingly, the connector for a flat cable according to the present invention (1) can further increase the allowable current of the fixing part (4). Accordingly, the connector 1 for a flat cable according to the present invention can further reduce the heat problem caused by the application of a high current, and is implemented in a compact structure to further improve applicability to miniaturized electronic devices.

The inclination angle IA (shown in FIG. 8 ) at which the first connection member 421 is inclined in the downward direction (the direction of the arrow DD) may be an acute angle. Accordingly, the connector 1 for a flat cable according to the present invention allows the flat cable 100 to be easily inserted between the first connection member 421 and the second connection member 422 while the connection It is possible to increase the connection force between the device 42 and the flat cable 100 . When the inclination angle IA is a right angle or an obtuse angle, as the flat cable 100 is inserted between the first connection member 421 and the second connection member 422 , the first This is because the connecting member 421 is difficult to elastically move.

2 to 8 , the connection mechanism 42 may include a joint member 424 (shown in FIG. 8 ).

The joint member 424 is to be supported by the housing 3 . The joint member 424 may be coupled to the second connection member 422 . One side of the second connection member 422 may be coupled to the elastic connection member 423 , and the other side may be coupled to the joint member 424 . That is, the second connection member 422 is positioned between the elastic connection member 423 and the joint member 424 . The fixing part 4 may be coupled to the housing 3 by being inserted into the housing 3 until the joint member 424 is supported on the housing 3 . In this case, the joint member 424 may function as a stopper that limits the distance at which the fixing part 4 is inserted into the housing 3 . Accordingly, in the connector 1 for a flat cable according to the present invention, as the fixing part 4 is inserted into the housing 2 at an excessive distance during the assembly process using the joint member 424, the fixing part ( 4) can be prevented from being damaged or broken. Accordingly, the connector 1 for a flat cable according to the present invention can improve the easiness and accuracy of the operation of coupling the fixing part 4 to the housing 3 . The fixing part 4 may be inserted into and coupled to the housing 3 by moving in the insertion direction (ID arrow direction).

The joint member 424 may be formed to form a curved surface. Accordingly, the connector 1 for a flat cable according to the present invention can further increase the length of the connection mechanism 42 through the joint member 424 . Accordingly, the connector 1 for a flat cable according to the present invention can further increase the allowable current of the fixing part 4 by further increasing the volume of the fixing part 4 . Accordingly, the connector 1 for a flat cable according to the present invention can further reduce the heat problem caused by the application of a high current, and it is implemented with a compact structure to further improve applicability to miniaturized electronic devices. .

The joint member 424 may be formed to form a curved surface curved in a direction opposite to the elastic connection member 423 . In this case, the joint member 424 may be bent so that the center of curvature is located in the insertion direction (ID arrow direction) from the lower side of the second connection member 422 . Accordingly, the joint member 424 is configured such that the flat cable 100 moves in the insertion direction (ID arrow direction) and is inserted between the first connection member 421 and the second connection member 422 . The movement of the flat cable 100 may be guided. For example, when the flat cable 100 moves in the insertion direction (ID arrow direction) from a lower position than the joint member 424 , the flat cable 100 is in contact with the joint member 424 . Afterward, the joint member 424 may be guided to be inserted between the first connecting member 421 and the second connecting member 422 by moving in the upper direction (in the direction of the UD arrow) along the curved surface formed by the joint member 424 . Therefore, in the connector 1 for a flat cable according to the present invention, the flat cable 100 is inserted between the first connecting member 421 and the second connecting member 422 to be connected to the connecting mechanism 42 . It can improve the easiness and accuracy of the task.

2 to 8 , the connection mechanism 42 may include a first connection protrusion 425 (shown in FIG. 8 ).

The first connecting protrusion 425 is for connecting to the flat cable 100 . The first connecting protrusion 425 may be coupled to the first connecting member 421 . Accordingly, the flat cable 100 may be electrically connected to the first connecting member 421 through the first connecting protrusion 425 by being connected to the first connecting protrusion 425 . The first connecting protrusion 425 may be formed by bending a portion of the first connecting member 421 .

The first connection protrusion 425 may be formed to protrude from the first connection member 421 in the downward direction (direction of the DD arrow). The first connecting protrusion 425 may be formed such that a surface facing the downward direction (the DD arrow direction) forms a curved surface. Accordingly, in the connector 1 for a flat cable according to the present invention, as the flat cable 100 is inserted between the first connecting member 421 and the second connecting member 422 , the first connecting protrusion 425 is ), the flat cable 100 and the first connecting protrusion 425 can be prevented from being damaged or damaged by a collision, as well as the flat cable 100 and the first connecting protrusion. It is possible to reduce the degree of wear on the (425). The first connection protrusion 425 may be formed in a dome shape. The first connecting protrusion 425 may be formed in a trapezoidal shape.

2 to 8 , the connection mechanism 42 may include a second connection protrusion 426 (shown in FIG. 8 ).

The second connecting protrusion 426 is for connecting to the flat cable 100 . The second connection protrusion 426 may be coupled to the second connection member 422 . Accordingly, the flat cable 100 may be electrically connected to the second connecting member 422 through the second connecting protrusion 426 by being connected to the second connecting protrusion 426 . The second connecting protrusion 426 may be formed by bending a portion of the second connecting member 422 .

The second connection protrusion 426 may be formed to protrude upward from the second connection member 422 (in the direction of the UD arrow). The second connection protrusion 426 may be formed such that a surface facing the upward direction (UD arrow direction) forms a curved surface. Accordingly, in the connector 1 for a flat cable according to the present invention, as the flat cable 100 is inserted between the first connecting member 421 and the second connecting member 422 , the second connecting protrusion 426 is ), the flat cable 100 and the second connecting protrusion 426 can be prevented from being damaged or damaged by a collision, as well as the flat cable 100 and the second connecting protrusion. It is possible to reduce the degree of wear on the (426). The second connection protrusion 426 may be formed in a dome shape. The second connection protrusion 426 may be formed in a trapezoidal shape.

The second connection protrusion 426 is configured such that one side 2a of the contacts 2 is connected to the flat cable 100 at the same height as compared to a connection position where one side 2a of the contacts 2 is connected to the flat cable 100 . It may be formed to protrude from the connecting member 422 in the upward direction (UD arrow direction). Accordingly, the connector 1 for a flat cable according to the present invention is implemented such that the contacts 2 and the fixing part 4 are connected to the flat cable 100 at a connection position of the same height, so that the flat cable Stability of the electrical connection between 100 and the substrate 200 may be further improved. In addition, in the connector 1 for a flat cable according to the present invention, the contacts 2 and the fixing part 4 are connected to the flat at the same height without increasing the thickness of the second connection member 422 . It may be implemented to be connected to the cable 100 . This is because the connection position can be increased by increasing the height at which the second connection protrusion 426 protrudes in the upward direction (in the direction of the UD arrow). Therefore, the connector 1 for a flat cable according to the present invention can reduce the manufacturing cost by reducing the material cost for manufacturing the fixing part 4 .

2 to 8 , the connection mechanism 42 may include a guide member 427 (shown in FIG. 8 ).

The guide member 427 is for guiding the movement of the flat cable 100 . The guide member 427 is coupled to the first connection member 421 to be positioned in the separation direction (SD arrow direction). The guide member 427 may be inclined so as to increase in height toward the separation direction (SD arrow direction). Accordingly, the guide member 427 moves the flat cable 100 in the insertion direction (ID arrow direction) to insert the flat cable 100 between the first connection member 421 and the second connection member 422 . The movement of the cable 100 may be guided.

For example, when the flat cable 100 moves in the insertion direction (ID arrow direction) from a higher position than the first connection member 421 , the flat cable 100 is attached to the guide member 427 . After being in contact, the guide member 427 may be guided to be inserted between the first and second connection members 421 and 422 by moving in the downward direction (in the direction of the DD arrow) along the inclined surface formed by the guide member 427 . . Therefore, in the connector 1 for a flat cable according to the present invention, the flat cable 100 is inserted between the first connecting member 421 and the second connecting member 422 to be connected to the connecting mechanism 42 . It can improve the easiness and accuracy of the task. Although not shown, the surface of the guide member 427 toward the separation direction (SD arrow direction) may be formed to form a curved surface.

2 to 9 , the fixing part 4 may include a connection mechanism 43 (shown in FIG. 9 ).

The connection mechanism 43 is for connecting the mounting mechanism 41 and the connection mechanism 42 . The connection mechanism 43 is coupled to each of the mounting mechanism 41 and the connection mechanism 42 . The connection mechanism 43 connects the mounting mechanism 41 located outside the housing 3 and the connection mechanism 42 located inside the housing 3 . Accordingly, the mounting mechanism 41 can be mounted on the board 200 from the outside of the housing 3 , and the connection mechanism 42 is connected to the flat cable 100 from the inside of the housing 3 . can be connected to The connection mechanism 43 may be positioned between the mounting mechanism 41 and the connection mechanism 42 in the first axial direction (X-axis direction). In this case, the mounting mechanism 41 and the connection mechanism 42 may be disposed to be spaced apart from each other in the first axial direction (X-axis direction). The connection mechanism 43 , the mounting mechanism 41 , and the connection mechanism 42 may be integrally formed.

The connecting mechanism 43 may be coupled to the joint member 424 . The joint member 424 may be coupled to each of the second connection member 422 and the connection mechanism 43 to connect the second connection member 422 and the connection mechanism 43 . A fixing groove 40 (shown in FIG. 8 ) may be positioned between the connection mechanism 43 and the second connection member 422 . A support member 32 (shown in FIG. 4 ) of the housing 3 may be inserted into the fixing groove 40 . The support member 32 is a portion corresponding to the bottom surface of the housing 3 . The fixing part 4 may be coupled to the housing 3 so that the support member 32 is inserted into the fixing groove 40 . In this case, the support member 32 may be inserted into the fixing groove 40 to support the fixing part 4 . Accordingly, in the connector 1 for a flat cable according to the present invention, by increasing the coupling force between the fixing part 4 and the housing 3 , the fixing force for fixing the housing 3 to the board 200 is increased. can do it

The fixing groove 40 and the support member 32 may be formed to have substantially the same size and shape. In this case, since the support member 32 is fitted into the fixing groove 40 in an interference fit manner, the coupling force between the fixing part 4 and the housing 3 may be further increased.

2 to 10 , the fixing part 4 may include a fixing mechanism 44 (shown in FIG. 10 ) and a wedge mechanism 45 (shown in FIG. 10 ).

The fixing mechanism 44 is coupled to the connecting mechanism 43 . The fixing mechanism 44 may be coupled to the connection mechanism 43 so as to protrude from the connection mechanism 43 in the second axial direction (Y-axis direction). The fixing mechanism 44 may be coupled to the connection mechanism 43 so as to protrude from the connection mechanism 43 in the insertion direction (ID arrow direction). When the mounting mechanism 41 , the connection mechanism 42 , and the connection mechanism 43 are arranged to be laid down in a horizontal direction, the fixing mechanism 44 may be arranged to stand upright in a vertical direction.

The wedge mechanism 45 is formed to protrude from the fixing mechanism 44 . The wedge mechanism 45 may be inserted into the housing 3 to fix the fixing part 4 to the housing 3 . Accordingly, the connector 1 for a flat cable according to the present invention further increases the coupling force between the fixing part 4 and the housing 3, so that the fixing part 4 attaches the housing 3 to the board ( 200) can further increase the fixing force. In addition, the connector 1 for a flat cable according to the present invention is implemented such that the fixing part 4 is firmly fixed to the housing 3 , so that the connection between the connection mechanism 42 and the flat cable 100 is stable. can be further improved. The fixing part 4 may be coupled to the housing 3 so that the fixing mechanism 44 and the wedge mechanism 45 are inserted into the housing 3 .

The wedge mechanism 45 may be formed to protrude upward from the fixing mechanism 44 (in the direction of the UD arrow). The wedge mechanism 45 may be formed to form a sharp tip while decreasing in size as it protrudes in the upward direction (in the direction of the UD arrow). Accordingly, when the fixing mechanism 44 and the wedge mechanism 45 are inserted into the housing 3, the wedge mechanism 45 is embedded in the housing 3 so that the fixing part 4 is inserted into the housing ( 3) can be prevented from being separated from The wedge mechanism 45 , the fixing mechanism 44 , and the connection mechanism 43 may be integrally formed.

2 to 10 , the fixing part 4 may include a fixing hole 46 (shown in FIG. 8 ).

The fixing hole 46 is for restricting movement of the fixing part 4 coupled to the housing 3 . The fixing hole 46 may be formed through the second connection member 422 . A fixing protrusion 33 (shown in FIG. 4 ) of the housing 3 may be inserted into the fixing hole 46 . The fixing protrusion 33 may be formed to be located inside the housing 3 . The fixing protrusion 33 may be formed to protrude from the upper surface of the support member 22 in the upward direction (UD arrow direction). The fixing part 4 may be inserted into and coupled to the housing 3 so that the fixing protrusion 33 is inserted into the fixing hole 46 . The fixing protrusion 33 may be inserted into the fixing hole 46 to support the second connection member 422 . Accordingly, the fixing protrusion 33 may limit the movement of the fixing part 4 . Therefore, the connector 1 for a flat cable according to the present invention prevents the position of the fixing part 4 from being changed arbitrarily due to vibration, shaking, etc., so that between the flat cable 100 and the fixing part 4 Connection stability can be improved.

The fixing hole 46 may be formed in a rectangular plate shape as a whole, but is not limited thereto, and may be formed in a different shape if the fixing protrusion 33 is inserted to support the second connection member 22 . may be

The fixing protrusion 33 may be formed to decrease in size as it protrudes in the upward direction (UD arrow direction). The fixing protrusion 33 may have an inclined surface that faces the separation direction (SD arrow direction). Accordingly, in the connector 1 for a flat cable according to the present invention, the fixing protrusion 33 moves in the insertion direction (ID arrow direction) and the fixing protrusion 33 is inserted in the housing 3 By reducing the degree of interference, the fixing part 4 may be smoothly inserted into the housing 3 . The fixing protrusion 33 may have a vertical surface that faces the insertion direction (ID arrow direction). Accordingly, when the fixing protrusion 33 is inserted into the fixing hole 46 , the fixing part 4 is supported on the vertical surface to prevent separation from the housing 3 . Accordingly, the connector 1 for a flat cable according to the present invention can prevent the fixing part 4 from being arbitrarily separated from the housing 3 by vibration, shaking, or the like.

2 to 11 , the connector 1 for a flat cable according to the present invention may include a plurality of fixing parts 4 .

The fixing parts 4 may be coupled to the housing 3 at positions spaced apart from each other in the first axial direction (X-axis direction). The fixing parts 4 may be coupled to the housing 3 so as to be positioned at both ends of the housing 3 with respect to the first axial direction (X-axis direction). In this case, the fixing parts 4 may be implemented in a form symmetrical to each other with respect to the connection mechanism 43 . The fixing part 4 coupled to the right side of the housing 3 with reference to FIG. 2 may be implemented as shown in FIG. 7 , and the fixing part 4 coupled to the left side of the housing 3 is shown in FIG. 11 may be implemented.

Referring to FIG. 12 , the connector 1 for a flat cable according to the present invention may include a first fixing part 4a and a second fixing part 4b.

The first fixing part 4a is coupled to the right side of the housing 3 . The second fixing part 4b is coupled to the left side of the housing 3 . The flat cable 100 may be inserted into the housing 3 to be connected to each of the first fixing part 4a and the second fixing part 4b.

The first fixing part 4a may function as an input terminal, and the second fixing part 4b may function as an output terminal. In this case, the power or signal output from the flat cable 100 is the first fixing part 4a, the first fixing part 4a and the second fixing part 4b. It may be input to the flat cable 100 again through the mounted board 200 and the second fixing part 4b.

Although not shown, the first fixing part 4a may function as an output terminal, and the second fixing part 4b may function as an input terminal. In this case, the power or signal output from the flat cable 100 is the second fixing part 4b, the second fixing part 4b and the first fixing part 4a. It may be input to the flat cable 100 again through the mounted board 200 and the first fixing part 4a.

2 to 13 , the connector 1 for a flat cable according to the present invention may include a cover 5 (shown in FIG. 13 ).

The cover 5 is rotatably coupled to the housing 3 . Both ends of the cover 5 are hinge-coupled to the housing 3 in the first axial direction (X-axis direction), so that the cover 5 may be rotatably coupled to the housing 3 . The cover 5 may be rotatably coupled to the housing 3 by being hinged by being inserted into a locking member 2c (shown in FIG. 5 ) of each of the contacts 2 . When the operation of inserting the flat cable 100 into the connection groove 30 is made, the cover 5 is rotated to be positioned at an open position for opening the connection groove 30 as shown in FIG. can When the flat cable 100 is inserted into the connection groove 30 , the cover 5 may rotate to be positioned in a closed position covering the connection groove 30 as shown in FIG. 13 . When the cover 5 is positioned in the closed position, the flat cable 100 can be fixed by pressing the flat cable 100 inserted into the connection groove 30 .

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the technical field to which the present invention pertains that various substitutions, modifications, and changes are possible without departing from the technical spirit of the present invention. It will be clear to those who have the knowledge of

1: Connector for flat cable 2: Contact
3: housing 4: fixed part
5: cover 30: connection groove
31: coupling groove 32: support member
33: fixing protrusion 40: fixing groove
41: mounting mechanism 42: connection mechanism
43: connection mechanism 44: fixing mechanism
45: wedge mechanism 46: fixed hole
421: first connection member 422: second connection member
423: elastic connection member 424: joint member
425: first connection projection 426: second connection projection
427: guide member 100: flat cable

Claims (12)

a plurality of contacts connected to the flat cable for electrical connection between the flat cable and the substrate;
a housing in which the contacts are spaced apart from each other in a first axial direction and coupled to each other; and
and a fixing part coupled to the housing;
The fixing part includes a mounting mechanism for mounting on the board, and a connection mechanism connected to the flat cable for electrical connection between the flat cable and the board,
The connecting mechanism includes a first connecting member for connecting to the flat cable from an upper side of the flat cable, and a second connecting member for connecting to the flat cable from a lower side of the flat cable,
The connecting mechanism includes an elastic groove positioned between the first connecting member and the second connecting member,
The first connecting member is a connector for a flat cable, characterized in that it moves elastically according to whether the flat cable is connected through the elastic groove. According to claim 1,
wherein the connecting mechanism includes an elastic connecting member connecting the first connecting member and the second connecting member so that the first connecting member moves elastically depending on whether the flat cable is connected to the flat cable. connector for. 3. The method of claim 2,
The connector for a flat cable, characterized in that the elastic connection member is formed to form a curved surface. 3. The method of claim 2,
The first connecting member is a connector for a flat cable, characterized in that formed to be inclined so that the height is lowered from one side coupled to the elastic connecting member toward the other side opposite to the one side. 4. The method of claim 3,
The fixing part includes a connection mechanism coupled to each of the mounting mechanism and the connection mechanism,
The connection mechanism includes a joint member coupled to each of the second connection member and the connection mechanism,
The connector for a flat cable, characterized in that the joint member is formed to form a curved surface curved in a direction opposite to the elastic connection member. According to claim 1,
The housing includes a support member for supporting the fixing part,
The fixing part includes a connection mechanism coupled to each of the mounting mechanism and the connection mechanism, and a fixing groove positioned between the connection mechanism and the second connection member, and is disposed in the housing such that the support member is inserted into the fixing groove. A connector for a flat cable, characterized in that it is coupled. According to claim 1,
The connecting mechanism includes a first connecting protrusion formed to protrude downward from the first connecting member,
The flat cable connector, characterized in that the first connection protrusion is formed such that the downwardly facing surface forms a curved surface. According to claim 1,
The connecting mechanism includes a second connecting protrusion formed to protrude upwardly from the second connecting member,
The second connection protrusion is a connector for a flat cable, characterized in that the upwardly facing surface is formed to form a curved surface. delete According to claim 1,
The connection mechanism includes a fixing hole formed through the second connection member,
The housing includes a fixing protrusion for being inserted into the fixing hole,
The fixing protrusion is inserted into the fixing hole so that the movement of the fixing part is limited to support the second connecting member. According to claim 1,
The connection mechanism includes a guide member for guiding the movement of the flat cable so that the flat cable moves in an insertion direction and is inserted between the first connection member and the second connection member,
The guide member is coupled to the first connection member so as to be located in the separation direction opposite to the insertion direction, and is inclined so as to increase in height from the first connection member toward the separation direction. connector. According to claim 1,
Flat cable, characterized in that the first connecting member and the second connecting member are respectively formed to have a longer length than each of the contacts in the first axial direction so as to have a larger allowable current compared to each of the contacts. connector for.

Images