KR102420028B1 - 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, A flat cable comprising a first mounting member for the fixing part to be mounted on the board, a connecting member connected to the flat cable for electrical connection between the flat cable and the board, and an elastic hole formed through the connecting member It's about connectors.

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, and the like, 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.

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 the 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 is a case in which a high current is required to be applied to the connector 10 for a flat cable 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 in 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 realize miniaturization of the electronic device.
On the other hand, the technology that is the background of the present invention is disclosed in Korean Patent Application Laid-Open No. 10-2006-0049350.

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 first mounting member for mounting on the substrate, a connection member connected to the flat cable for electrical connection between the flat cable and the substrate, and an elastic hole formed through the connection member.

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, thereby reducing the heat problem caused by 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 with 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;
4 is a partial front view of a connector for a flat cable according to the present invention;
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 plan view of a fixing part in the connector for a flat cable according to the present invention;
9 is a side view showing the fixing part shown in FIG. 8 as viewed from the left in the connector for a flat cable according to the present invention;
FIG. 10 is a front view showing the fixing part shown in FIG. 8 as viewed from the front in the connector for a flat cable according to the present invention; FIG.
11 is a schematic side view of a connector for a flat cable according to the present invention;
12 is a side view showing the fixing part shown in FIG. 8 as viewed from the right side in the connector for a flat cable according to the present invention;
13 is a schematic plan view showing an enlarged connection member in the connector for a flat cable according to the present invention;
14 is a schematic side view showing an enlarged connection member in the connector for a flat cable according to the present invention;
15 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;
16 is a schematic plan view of a connector for a flat cable according to the present invention;
17 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. 4 ) 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) spaced apart from each other along the coupled, and a fixing portion (4) coupled to the housing (3).

The contacts 2 are for connecting 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 first mounting member 41 for mounting on the board 200 , a connection member 42 for electrical connection between the flat cable 100 and the board 200 , and the connection and an elastic hole 421 (shown in FIG. 3 ) formed through the member 42 .

The first mounting member 41 is mounted on the substrate 200 to implement a fixing function of fixing the housing 3 to the substrate. The connection member 42 is connected to the flat cable 100 to implement a conduction function for electrically connecting the flat cable 100 and the substrate 200 . The elastic hole 421 is for increasing the elastic force and restoring force of the connecting member 42 .

Accordingly, the fixing part 4 is mounted on the board 200 to implement a fixing function of fixing the housing 3 to the board 200, as well as being connected to the flat cable 100. A conduction function for electrically connecting the flat cable 100 and the substrate 200 is implemented. In addition, the fixing part 4 may increase the connection force for being connected to the flat cable 100 by using the elastic hole 421 .

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 ) 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 so that the total allowable current can be increased without increasing the number of the contacts 2 , thereby reducing the heat problem caused by high current application 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 is possible to further improve the performance of the electronic device and contribute to further miniaturization of the electronic device.

Second, the connector 1 for a flat cable according to the present invention increases the connection force to the flat cable 100 by increasing the elastic force and restoring force of the connection member 42 through the elastic hole 421 . can 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 . In addition, since the connector 1 for a flat cable according to the present invention can increase elastic displacement with respect to the connection member 42 through the elastic hole 421, plastic deformation occurring in the connection member 42 is reduced. By reducing it, the service life can be extended.

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 ) located 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 member 42 is positioned 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 by moving in the second axial direction (Y-axis direction) and may be spaced apart from the connection groove 30 . 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. 4 ). The coupling grooves 31 are formed to be spaced apart from each other in the first axial direction (X-axis direction). 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 fixing part 4 may be coupled to the housing 3 so that the connection member 42 is inserted into the coupling groove 31 . A portion of the connection member 42 may be inserted into the coupling groove 31 . The coupling groove 31 into which the connection member 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 The coupling grooves 31 may be formed in a portion of the housing 3 in which the connection groove 30 is formed.

Although not shown, the coupling groove 31 may not be formed in a portion of the housing 3 where the connection member 42 is located. In this case, the fixing part 4 may be coupled to the housing 3 so that the connection member 42 is positioned inside the housing 3 without being inserted into the coupling groove 31 .

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 first mounting member 41 and the connecting member 42 .

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

The connecting member 42 is for connecting to the flat cable 100 . The flat cable 100 is inserted into the housing 3 and connected to the connection member 42 , so that the flat cable 100 is connected to the board 200 through the connection member 42 and the first mounting member 41 . may be electrically connected. The fixing part 4 may be coupled to the housing 3 so that the connecting member 42 is located inside the housing 3 . The connection member 42 may be located in the connection groove 30 to be connected to the flat cable 100 inserted into the connection groove 30 . When the flat cable 100 is inserted into the housing 3 , the fixing part 4 is configured such that the connecting member 42 moves in the downward direction (DD arrow direction, FIG. 4 ) of the flat cable 100 . shown) may be coupled to the housing 3 . Accordingly, the connection member 42 is connected to the lower surface of the flat cable 100 inserted into the housing 3 .

The connection member 42 may be formed to have a longer length (42L, shown in FIG. 8 ) than each of the contacts 2 based on the first axial direction (X-axis direction). Accordingly, the connection member 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 applying a high current 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. Accordingly, 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) by reducing the number of the contacts 2 . . In addition, since the connector 1 for a flat cable according to the present invention can reduce manufacturing cost 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 such 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 high 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, the connector 1 for a flat cable according to the present invention uses the fixing part 4 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 fixing part 4 includes the elastic hole 421 (shown in FIG. 8 ).

The elastic hole 421 is formed to pass through the connection member 42 . Accordingly, the elastic hole 421 may increase the elastic force and restoring force of the connecting member 42 , thereby increasing the connecting force of the connecting member 42 to the flat cable 100 . 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 . The elastic hole 421 is formed to pass through the connection member 42 , thereby increasing elastic displacement with respect to the connection member 42 . Accordingly, the connector 1 for a flat cable according to the present invention can extend the service life of the fixing part 4 by reducing the plastic deformation occurring in the connection member 42 .

The elastic hole 421 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 increase the elastic force, restoring force, and elastic displacement of the connecting member 42 .

2 to 8 , the connection member 42 may include a first branch member 422 (shown in FIG. 8 ) and a second branch member 423 (shown in FIG. 8 ).

The first branching member 422 and the second branching member 423 are disposed to be spaced apart from each other in the first axial direction (X-axis direction). The elastic hole 421 penetrates through the connection member 42 to be positioned between the first branch member 422 and the second branch member 423 in the first axial direction (X-axis direction). can be formed. Accordingly, the connecting member 42 may be implemented such that elastic force and restoring force are increased through the first branching member 422 and the second branching member 423 as well as elastic displacement. In contrast to the case in which the connecting member 42 is not divided into the first branching member 422 and the second branching member 423 , the connecting member 42 is the first branching member 422 . ) and the second branch member 423, because it is formed in a divided form, it can be bent more elastically as well as the length for increasing the elastic displacement is increased. The first branch member 422 and the second branch member 423 may be implemented as the through hole 421 is formed through the connection member 42 .

The first branch member 422 may be formed such that its length with respect to the first axial direction (X-axis direction) decreases as it goes toward the insertion direction (ID arrow direction, shown in FIG. 8 ). The insertion direction (ID arrow direction) is a direction in which the flat cable 100 moves to be inserted into the housing 3 . Accordingly, the first branch member 422 may be embodied to be more elastically bent as the portion positioned toward the insertion direction (ID arrow direction). A portion of the first branch member 422 in the insertion direction (in the direction of the ID arrow) is located on the side of the connection member 42 connected to the flat cable 100 . Accordingly, the first branch member 422 is implemented such that a portion of the connection member 42 connected to the flat cable 100 is more elastically bent, so that the connection force and connection to the flat cable 100 are provided. reliability can be improved.

The first branch member 422 has an outer surface inclined toward the inner surface with respect to the first axial direction (X-axis direction), so that the first axial direction ( X-axis direction) may be formed to be reduced in length. An inner surface of the first branch member 422 is a surface facing the elastic hole 421 . The inner surface of the first branch member 422 may be formed to form a flat surface. The outer surface of the first branch member 422 is a surface located opposite to the inner surface. The outer surface of the first branch member 422 may be formed to form an inclined surface.

Although not shown, the inner surface of the first branch member 422 may be formed to form an inclined surface inclined toward the outer surface, and the outer surface may be formed to form a flat surface. The first branch member 422 may be formed such that the inner surface and the outer surface are inclined toward each other. The first branch member 422 may be formed so that both the inner surface and the outer surface form a plane. In this case, the first branch member 422 may be formed so that the inner surface and the outer surface are parallel to each other.

The second branch member 423 may be formed such that the length with respect to the first axial direction (X-axis direction) decreases as it goes toward the insertion direction (ID arrow direction). Accordingly, the second branch member 423 may be embodied to be more elastically bent as the portion positioned toward the insertion direction (ID arrow direction). A portion of the second branch member 423 located in the insertion direction (in the direction of the ID arrow) is located at a portion connected to the flat cable 100 in the connecting member 42 . Accordingly, the second branch member 423 is implemented such that a portion of the connection member 42 connected to the flat cable 100 is more elastically bent, thereby providing a connection force and connection to the flat cable 100 . reliability can be improved.

The second branch member 423 has an outer surface inclined toward the inner surface with respect to the first axial direction (X-axis direction), so that the first axial direction ( X-axis direction) may be formed to be reduced in length. An inner surface of the second branch member 423 is a surface facing the elastic hole 421 . An inner surface of the second branch member 423 may be formed to be flat. The outer surface of the second branch member 423 is a surface located opposite to the inner surface. The outer surface of the second branch member 423 may be formed to form an inclined surface.

Although not shown, the second branch member 423 may be formed so that the inner surface of the second branch member 423 forms an inclined surface inclined toward the outer surface, and the outer surface of the second branch member 423 forms a flat surface. The second branch member 423 may be formed such that the inner surface and the outer surface are inclined toward each other. The second branch member 423 may be formed so that both the inner surface and the outer surface form a plane. In this case, the second branch member 423 may be formed so that the inner surface and the outer surface are parallel to each other. The second branch member 423 and the first branch member 422 may be formed to be symmetrical to each other based on the elastic hole 421 .

2 to 9 , the connection member 42 may include a joint member 424 (shown in FIG. 8 ).

The joint member 424 is coupled to each of the first branch member 422 and the second branch member 423 . The first branch member 422 and the second branch member 423 may be coupled to the joint member 424 to be spaced apart from each other in the first axial direction (X-axis direction). The joint member 424 supports the first branching member 422 and the second branching member 423, and thus the first branching member 422 and It is possible to prevent deformation of the second branch member 423 from occurring. In addition, the joint member 424 can increase the allowable current of the fixing part 4 by increasing the volume of the fixing part 4 . The joint member 424 may be coupled to an end of each of the first branching member 422 and the second branching member 423 based on the insertion direction (ID arrow direction). The joint member 424 , the first branch member 422 , and the second branch member 423 may be integrally formed.

The joint member 424 may be connected to the flat cable 100 . The flat cable 100 may be electrically connected to the substrate 200 through the fixing part 4 by being connected to the joint member 424 as it is inserted into the housing 3 . The joint member 424 may be connected to the lower surface of the flat cable 100 inserted into the housing 3 . In this case, the first branching member 422 and the second branching member 423 may be formed to be inclined in an upward direction (UD arrow direction, shown in FIG. 9 ), respectively. The upward direction (UD arrow direction) is a direction from the joint member 424 toward the flat cable 100 when the flat cable 100 is inserted into the housing 3 . The first branching member 422 and the second branching member 423 may be inclined so as to increase in height in the upward direction (UD arrow direction) toward the insertion direction (ID arrow direction). Accordingly, when the flat cable 100 is inserted into the housing 3 , the first branching member 422 and the second branching member 423 are pressed by the flat cable 100 in the downward direction. (DD arrow direction) to press the flat cable 100 with a restoring force. Accordingly, the connector 1 for a flat cable according to the present invention can increase the connection force to the flat cable 100 . On the other hand, when the flat cable 100 is separated from the housing 3, the first branching member 422 and the second branching member 423 move in the upward direction (UD arrow direction) by restoring force. .

The joint member 424 is coupled to each of the first branch member 422 and the second branch member 423 , thereby integrating the first branch member 422 and the second branch member 423 . Accordingly, when a partially bent portion occurs in the flat cable 100 , the first branching member 422 and the second branching member 423 integrated through the joint member 424 are connected to the flat cable 100 . ) can be inclined to correspond to the curved part. Therefore, the connector 1 for a flat cable according to the present invention can implement a stable connection to the flat cable 100 even when a partially bent portion occurs in the flat cable 100 . On the other hand, as the joint member 424 is coupled to each of the first branch member 422 and the second branch member 423, the first branch member 422 and the second branch member 423 are Depending on whether the flat cable 100 is connected or not, it can move together in the downward direction (DD arrow direction) and the upward direction (UD arrow direction).

The joint member 424 may be formed such that a connection surface 424a (shown in FIG. 9 ) connected to the flat cable 100 forms a curved surface. Accordingly, the flat cable connector (1) according to the present invention is connected to the joint member (424) while the flat cable (100) is inserted into the housing (3). And it is possible to prevent the fixing part 4 from being damaged, as well as to reduce the degree of abrasion occurring in each of the flat cable 100 and the fixing part 4 . The joint member 424 may be formed such that the connection surface 424a forms a curved surface through bending processing for the plate material.

2 to 9 , the connection member 42 may include a coupling member 425 (shown in FIG. 8 ).

The coupling member 425 is disposed to be spaced apart from the joint member 424 in the second axial direction (Y-axis direction). The elastic hole 421 may be formed through the connection member 42 to be positioned between the joint member 424 and the coupling member 425 with respect to the second axial direction (Y-axis direction). have.

The coupling member 425 is coupled to each of the first branch member 422 and the second branch member 423 . Accordingly, both sides of the first branch member 422 and the second branch member 423 may be coupled to and supported by the joint member 424 and the coupling member 425 , respectively. Accordingly, in the connector 1 for a flat cable according to the present invention, deformation occurs in the first branching member 422 and the second branching member 423 with respect to the first axial direction (X-axis direction). It is possible to increase the preventive power to prevent it. The first branch member 422 and the second branch member 423 may be coupled to the coupling member 245 to protrude from the coupling member 425 in the insertion direction (ID arrow direction).

The coupling member 425 may be formed in a rectangular plate shape as a whole, but is not limited thereto, and may be formed in another shape as long as the first branch member 422 and the second branch member 423 can be coupled to each other. have. The coupling member 425 , the first branch member 422 , the second branch member 423 , and the joint member 424 may be integrally formed. The fixing part 4 is such that the coupling member 425 , the first branch member 422 , the second branch member 423 , and the joint member 424 are positioned inside the housing 3 . It may be coupled to the housing (3).

Here, the elastic hole 421 may be formed to pass through the connection member 42 so as to penetrate each of the joint member 424 and the coupling member 425 . Accordingly, the elastic hole 421 is formed to be longer than the length of each of the first branching member 422 and the second branching member 423 in the second axial direction (Y-axis direction). can be In this case, the elastic hole 421 may be formed to protrude from between the first branching member 422 and the second branching member 423 to both sides along the second axial direction (Y-axis direction). . Accordingly, the elastic hole 421 may be formed to penetrate a portion of the joint member 424 and a portion of the coupling member 425 . Accordingly, in the connector 1 for a flat cable according to the present invention, by increasing the length of the elastic hole 421 in the second axial direction (Y-axis direction), the elastic force and restoring force of the connecting member 42 are , and elastic displacement may be further increased.

2 to 10 , the fixing part 4 may include a connecting member 43 (shown in FIG. 10 ).

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

An insertion groove 431 may be formed in the connection member 43 . The insertion groove 431 may be formed by being depressed to a predetermined depth in the upward direction (UD arrow direction) from the lower surface of the connection member 43 . Accordingly, the connecting member 43 may be formed in the shape of a digwan in which the downward direction (the DD arrow direction) side is opened. The fixing part 4 may be coupled to the housing 3 so that the housing 3 is inserted into the insertion groove 431 . Accordingly, the connector 1 for a flat cable according to the present invention can increase the coupling force of the fixing part 4 to the housing 3 . Accordingly, in the connector 1 for a flat cable according to the present invention, the fixing force of the fixing part 4 to fix the housing 3 to the substrate 200 can be increased, and the fixing part 4 ) and the stability of the connection between the flat cable 100 can be improved. The housing 3 may include a protrusion member 32 (shown in FIG. 4 ) to be inserted into the insertion groove 431 . The protrusion member 32 and the insertion groove 431 may be formed in a complementary shape to each other.

The connecting member 43 may include a first sidewall 432 (shown in FIG. 10) and a second sidewall 433 (shown in FIG. 10) disposed to face each other based on the insertion groove 431. have. When the fixing part 4 is coupled to the housing 3 so that the protruding member 32 is inserted into the insertion groove 431 , the first side wall 432 and the second side wall 433 are each The side walls of the protruding member 32 inserted into the insertion groove 431 may be pressed. Accordingly, the connection member 43 may implement a lifting prevention function for preventing the fixing part 4 from being lifted as the flat cable 100 is connected to the connection member 42 . Looking at this in detail, it is as follows.

First, when the flat cable 100 is inserted into the housing 3 and connected to the connection member 42 , the joint member 424 is pressed in the flat cable 100 in the downward direction DD. in the direction of the arrow). That is, the flat cable 100 presses the joint member 424 in the downward direction (DD arrow direction). Accordingly, the moment (Moment, M) acts in the counterclockwise direction to the fixing part 4 when referenced in FIG. 9 .

In this case, if the first side wall 432 and the second side wall 433 of the connecting member 43 do not press the side walls of the protruding member 32 inserted into the insertion groove 431, the fixing part ( 4) can be heard spaced apart from the substrate 200 by rotating the flat cable 100 in a counterclockwise direction due to a moment M generated when the joint member 424 is pressed.

When the first sidewall 432 and the second sidewall 433 of the connecting member 43 are implemented to press the sidewalls of the protruding member 32 inserted into the insertion groove 431, the connecting member 43 ) of the first sidewall 432 and the second sidewall 433 by implementing a fixing force against the moment M generated as the flat cable 100 presses the joint member 424, the flat cable As (100) is connected to the connection member (42), it is possible to prevent the fixing part (4) from being lifted.

Accordingly, in the connector 1 for a flat cable according to the present invention, when the flat cable 100 is connected to the connection member 42 , the fixing part 4 is connected to the board by using the connection member 43 . It is implemented so as to prevent being separated from the 200. Accordingly, the connector 1 for a flat cable according to the present invention can improve the stability of the electrical connection between the flat cable 100 and the board 200 .

2 to 11 , the fixing part 4 may include a second mounting member 44 (shown in FIG. 9 ).

The second mounting member 44 is to be mounted on the substrate 200 . The fixing part 4 may be mounted at different positions on the substrate 200 through the first mounting member 41 and the second mounting member 44 . Accordingly, in the connector 1 for a flat cable according to the present invention, the mounting area in which the fixing part 4 is mounted on the board 200 is increased, so that the fixing part 4 connects the housing 3 to the housing 3 . A fixing force for fixing to the substrate 200 may be further increased. In addition, the connector 1 for a flat cable according to the present invention further increases the total volume of the fixing part 4 through the second mounting member 44, thereby increasing the allowable current of the fixing part 4 more. can be increased

The second mounting member 44 may be coupled to the connecting member 42 so as to protrude from the connecting member 42 . In the fixing part 4 , the first mounting member 41 and the second mounting member 44 are positioned outside the housing 3 , and the connecting member 42 is positioned inside the housing 3 . It may be coupled to the housing 3 so as to be positioned. As shown in FIG. 11 , in the fixing part 4 , the second mounting member 44 is installed in a direction opposite to the direction in which the other side 2b of the contact 2 protrudes from the housing 3 . It may be coupled to the housing 3 so as to protrude from the housing 3 . Accordingly, the second mounting member 44 and the other side 2b of the contact 2 protrude from the housing 3 in opposite directions with respect to the second axial direction (Y-axis direction). It may be mounted on the substrate 200 . Therefore, the connector 1 for a flat cable according to the present invention can be implemented so that the second mounting member 44 and the other side 2b of the contact 2 do not interfere with each other and are mounted on the board 200. have. The first mounting member 41 may protrude from the housing 3 in the first axial direction (X-axis direction) to be mounted on the substrate 200 .

The second mounting member 44 may be formed to protrude from the coupling member 425 . The second mounting member 44 and the branch members 422 and 423 may be formed to protrude from the coupling member 425 in opposite directions with respect to the second axial direction (Y-axis direction). . The second mounting member 44 may be formed in a rectangular plate shape as a whole, but is not limited thereto, and may be formed in another shape as long as it can be mounted on the substrate 200 . The second mounting member 44 and the connecting member 42 may be integrally formed.

The second mounting member 44 may implement a lifting prevention function for preventing the fixing part 4 from being lifted as the flat cable 100 is connected to the connecting member 42 . Looking at this in detail, it is as follows.

First, when the flat cable 100 is inserted into the housing 3 and connected to the connection member 42 , the joint member 424 is pressed in the flat cable 100 in the downward direction DD. in the direction of the arrow). That is, the flat cable 100 presses the joint member 424 in the downward direction (DD arrow direction). Accordingly, the moment M is applied to the fixing part 4 in a counterclockwise direction with reference to FIG. 9 .

In this case, if there is no second mounting member 44 in the fixing part 4 , the fixing part 4 may have a moment M generated as the flat cable 100 presses the joint member 424 . ) by rotating in a counterclockwise direction, it can be heard spaced apart from the substrate 200 .

When the second mounting member 44 is provided in the fixing part 4 , the second mounting member 44 is the substrate ( 200 ) is fixed to the substrate 200 . Accordingly, the second mounting member 44 implements a fixing force against the moment M generated when the flat cable 100 presses the joint member 424, so that the flat cable 100 is As it is connected to the connection member 42 , it is possible to prevent the fixing part 4 from being lifted.

Accordingly, in the connector 1 for a flat cable according to the present invention, when the flat cable 100 is connected to the connection member 42 , the fixing part 4 is secured by using the second mounting member 44 . It is implemented so as to be spaced apart from the substrate 200 and prevent from being lifted. Accordingly, the connector 1 for a flat cable according to the present invention can improve the stability of the electrical connection between the flat cable 100 and the board 200 .

2 to 12 , the fixing part 4 may include a fixing member 45 (shown in FIG. 12 ) and a wedge member 46 (shown in FIG. 12 ).

The fixing member 45 is coupled to the connecting member 43 . The fixing member 45 may be coupled to the connection member 43 so as to protrude from the connection member 43 in the second axial direction (Y-axis direction). The fixing member 45 may be formed to protrude from the connecting member 43 in the same direction as the branch members 422 and 423 protrude from the coupling member 425 .

The wedge member 46 is formed to protrude from the fixing member 45 . The wedge member 46 may be inserted into the housing 3 to fix the fixing part 4 to the housing 3 . 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 part 4 attaches the housing 3 to the board 200 . ) can further increase the fixing force to fix it. 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 member 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 member 45 and the wedge member 46 are inserted into the housing 3 .

The wedge member 46 may be formed to protrude from the fixing member 45 in the upward direction (UD arrow direction). The wedge member 46 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 member 45 and the wedge member 46 are inserted into the housing 3, the wedge member 46 is embedded in the housing 3 so that the fixing part 4 is connected to the housing ( 3) can be prevented from being separated. The wedge member 46 , the fixing member 45 , and the connecting member 43 may be integrally formed.

12 and 13 , the fixing part 4 may be integrally formed by processing a plate material. In this case, each of the components of the fixing part 4 may be formed to have a longer length based on the first axial direction (X-axis direction) compared to the thickness (T1, shown in FIG. 12) of the plate material. . Looking at this in detail, it is as follows.

First, when the thickness T1 of the plate is defined as T, the length 421L of the first elastic hole 421 based on the first axial direction (X-axis direction) may be formed to be 1.5T or more. . Accordingly, the connector for a flat cable according to the present invention (1) can improve the easiness of processing the plate material to form the first elastic hole (421). When the thickness T1 of the plate is defined as T, the length 421L of the first elastic hole 421 based on the first axial direction (X-axis direction) may be formed to be 1.5T or more and 2.0T or less. have.

Next, when the thickness T1 of the plate is defined as T, the length 422L of the first branch member 422 based on the first axial direction (X-axis direction) may be formed to be 1.5T or more. . Accordingly, the connector 1 for a flat cable according to the present invention can improve the easiness of the processing operation of processing the plate material to form the first branch member 422 . In addition, in the connector 1 for a flat cable according to the present invention, the allowable current of the first branching member 422 can be increased by increasing the volume of the first branching member 422 . When the thickness T1 of the plate is defined as T, the length 422L of the first branch member 422 based on the first axial direction (X-axis direction) may be formed to be 1.5T or more and 2.0T or less. have.

Next, when the thickness T1 of the plate is defined as T, the length 423L of the second branch member 423 based on the first axial direction (X-axis direction) may be formed to be 1.5T or more. . Accordingly, the connector 1 for a flat cable according to the present invention can improve the easiness of the processing operation of processing the plate material to form the second branch member 423 . In addition, in the connector 1 for a flat cable according to the present invention, the allowable current of the second branching member 423 can be increased by increasing the volume of the second branching member 423 . When the thickness T1 of the plate is defined as T, the length 423L of the second branch member 423 based on the first axial direction (X-axis direction) may be formed to be 1.5T or more and 2.0T or less. have.

Next, when the thickness T1 of the plate is defined as T, the first elastic hole 421 , the first branching member 422 and the second branching based on the first axial direction (X-axis direction) The combined length of the member 423 (42L) may be formed to be 4.5T or more. Accordingly, the connector 1 for a flat cable according to the present invention can improve the easiness of a processing operation of forming the connection member 42 by processing a plate material. In addition, the connector 1 for a flat cable according to the present invention can increase the allowable current of the connecting member 42 by increasing the volume of the connecting member 42 . When the thickness T1 of the plate is defined as T, the first elastic hole 421, the first branching member 422 and the second branching member ( 423), the length 42L may be formed to be 4.5T or more and 6.0T or less.

Referring to FIG. 14 , the fixing part 4 may include a connection protrusion 47 .

The connecting protrusion 47 is for connecting to the flat cable 100 (shown in FIG. 4 ). The connection protrusion 47 may be coupled to the joint member 424 . Accordingly, the flat cable 100 (shown in FIG. 4 ) is connected to the connection protrusion 47 , so that it can be electrically connected to the joint member 424 through the connection protrusion 47 . The connection protrusion 47 may be coupled to the joint member 424 . Accordingly, the fixing part 4 may increase the height of the contact position in contact with the flat cable 100 through the connection protrusion 47 . Accordingly, the connector 1 for a flat cable according to the present invention can increase the connecting force between the fixing part 4 and the flat cable 100 .

When the connecting protrusion 47 is provided, the connecting surface 424a may be implemented by the connecting protrusion 47 . The connecting surface 424a may be a surface facing the upper direction (UD arrow direction) from the connecting protrusion 47 . The connection surface 424a may be formed to have a curved surface. Accordingly, the flat cable connector (1) according to the present invention is connected to the connecting protrusion (47) while the flat cable (100) is inserted into the housing (3). And it is possible to prevent the fixing part 4 from being damaged, as well as to reduce the degree of abrasion occurring in each of the flat cable 100 and the fixing part 4 . The connection protrusion 47 may be formed in a dome shape. The connecting protrusion 47 may be formed in a trapezoidal shape.

13 and 14 , the fixing part 4 has an inclination angle 42A at which each of the first branching member 422 and the second branching member 423 is inclined in the upward direction (UD arrow direction). , shown in FIG. 14 ), the height of the contact position in contact with the flat cable 100 may be increased. The inclination angle 42A corresponds to the inclination of each of the first branching member 422 and the second branching member 423 on the basis of an imaginary horizontal line extending from the bottom surface of the coupling member 425 . do. By increasing the inclination angle 42A, the connector 1 for a flat cable according to the present invention can achieve the following effects.

First, in the connector for a flat cable according to the present invention (1), the contact position at which the joint member (424) or the connection protrusion (47) is in contact with the flat cable (100) is higher, so that the fixing part (4) And it is possible to increase the connection force between the flat cable (100).

Second, since the connector 1 for a flat cable according to the present invention can increase the length of each of the first branching member 422 and the second branching member 423, the first branching member 422 and the second branching member 423 are The elastic displacement of the second branching member 423 may be increased, and plastic deformation occurring in the first branching member 422 and the second branching member 423 may be reduced. Therefore, in the connector 1 for a flat cable according to the present invention, the connecting force between the fixing part 4 and the flat cable 100 can be increased through an increase in elastic displacement, and at the same time, it is possible to increase the connection force between the fixing part 4 and the flat cable 100 through a decrease in plastic deformation. It can extend the service life for the government (4).

An inclination angle 42A (shown in FIG. 14 ) at which each of the first branching member 422 and the second branching member 423 is inclined in the upward direction (UD arrow direction) 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 into the housing (3) while the fixing part (4) and the flat cable (100) Connectivity between them can be increased. An inclination angle 42A (shown in FIG. 14 ) at which each of the first branching member 422 and the second branching member 423 is inclined in the upward direction (in the direction of the UD arrow) is a right angle or an obtuse angle ), this is because the flat cable 100 is caught by the first branching member 422 and the second branching member 423 and cannot be inserted into the housing 3 .

2 to 15 , 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 member 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. 15 may be implemented.

Referring to FIG. 16 , 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 17 , the connector 1 for a flat cable according to the present invention may include a cover 5 (shown in FIG. 17 ).

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 rotates so as to be positioned in 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. 17 . 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 .

When the cover 5 is positioned in the closed position, as shown in FIG. 4 , the connection member 43 may support the cover 5 rotated to cover the connection groove 30 . Accordingly, the fixing part 4 may prevent the flat cable 100 from being damaged or damaged as the cover 5 presses the flat cable 100 with excessive force.

A plurality of receiving grooves may be formed in the cover 5 . The receiving grooves may be formed to be spaced apart from each other in the first axial direction (X-axis direction). The receiving grooves may be formed at positions corresponding to each of the coupling grooves 31 formed in the housing 3 . When the cover 5 is positioned in the closed position, one side 2a of the contact 2 and the connection members 42 may be inserted into the receiving groove, respectively.

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 within the scope 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: protruding member
41: first mounting member 42: connecting member
43: connecting member 44: second mounting member
45: fixing member 46: wedge member
47: connection projection 100: flat cable
200: substrate 421: elastic ball
422: first branching member 423: second branching member
424: joint member 425: coupling member
424a: connection surface 431: insertion groove

Claims (13)

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 first mounting member for mounting on the board, a second mounting member for mounting on the board at a different position from the first mounting member, and on the flat cable for electrical connection between the flat cable and the board. It includes a connecting member to be connected, and an elastic hole formed through the connecting member,
The second mounting member is coupled to the connecting member so as to protrude from the connecting member,
The contact is coupled to the housing so that one side is located inside the housing and the other side protrudes to the outside of the housing,
and the fixing part is coupled to the housing so that the second mounting member protrudes from the housing in a direction opposite to a direction in which the other side of the contact protrudes out of the housing. According to claim 1,
The connecting member includes a first branching member and a second branching member disposed to be spaced apart from each other along the first axial direction,
The elastic hole is formed through the connection member to be positioned between the first branching member and the second branching member with respect to the first axial direction. 3. The method of claim 2,
The connection member includes a joint member coupled to each of the first branch member and the second branch member, and a coupling member disposed spaced apart from the joint member along a second axial direction perpendicular to the first axial direction do,
The coupling member is coupled to each of the first branching member and the second branching member,
The elastic hole is a connector for a flat cable, characterized in that formed through the connection member so as to be positioned between the joint member and the coupling member with respect to the second axial direction. 4. The method of claim 3,
The first branching member is a connector for a flat cable, characterized in that the length with respect to the first axial direction decreases as the direction from the coupling member toward the joint member increases. 4. The method of claim 3,
The elastic hole is a connector for a flat cable, characterized in that formed through the connection member so as to penetrate each of the joint member and the coupling member. According to claim 1,
The connector for a flat cable, characterized in that the connecting member is formed to have a longer length than each of the contacts in the first axial direction to have a larger allowable current compared to each of the contacts. 3. The method of claim 2,
The connecting member includes a joint member coupled to each of the first branching member and the second branching member,
The joint member is connected to the lower surface of the flat cable inserted into the housing,
The first branching member and the second branching member are each formed to be inclined upwardly from the joint member toward the flat cable inserted into the housing. delete delete According to claim 1,
The connector for a flat cable, characterized in that the fixing part includes a connecting member for connecting the first mounting member positioned outside the housing and the connecting member positioned inside the housing. 11. The method of claim 10,
The connecting member connects the first mounting member and the connecting member so that the first mounting member and the connecting member are spaced apart from each other in the first axial direction,
The connector for a flat cable, characterized in that the connection member is formed with an insertion groove for inserting the housing. 11. The method of claim 10,
The fixing part includes a fixing member coupled to the connecting member, and a wedge member formed to protrude from the fixing member,
The wedge member is inserted into the housing to fix the fixing part to the housing. 11. The method of claim 10,
a cover rotatably coupled to the housing;
The housing includes a connection groove for inserting the flat cable,
The connector for a flat cable, characterized in that the connection member is formed to protrude from the first mounting member to support the cover rotated to cover the connection groove.

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