KR20220000641U - Connector for flexible cable - Google Patents

Abstract

A connector for a flexible cable having improved product reliability is provided. A housing including a cable arrangement part on which the flexible cable is disposed, a contact insertion part on the back side, and metal fitting insertion grooves on both sides of the front side, a plurality of contacts inserted into the contact insertion part, and a rotating protrusion on both sides of the rear side and a driving unit including a pressing unit at the front that rotates around the rotating protrusion to electrically contact the flexible cable and a plurality of contacts, and a body part inserted into the metal fitting insertion groove, and a first extending from the body part to the upper surface of the housing 1 cover part, a second cover part extending from the body part to the lower surface of the housing, a press-in part extending rearward from the body part to support the rotating protrusion, and a first cover part extending rearward to support the rotating protrusion A metal fitting including a support is included, and the metal fitting includes a fastening groove capable of being fastened to the driving unit at the front.

Description

Connector for flexible cable

The present invention relates to a connector for a flexible cable.

A flexible cable is a flat cable and can be divided into a flexible printed cable (FPC) type and a flexible flat cable (FFC) type. The flexible cable has the flexibility to be bent freely, and the electric wires are arranged in parallel on the inside so that it has a wide width and can be connected to the opposite terminal.

Such a flexible cable electrically connects electronic components or circuits to each other using a flexible cable connector. In a general structure of a connector for a flexible cable, a plurality of metal terminals are inserted and coupled to an insulating case made of synthetic resin and a plurality of terminal insertion grooves formed inside the insulating case. And, the metal terminal connects the flexible cable inserted into the insulating case, and the insulating case has a slider that presses the flexible cable to connect it to the metal terminal, and the metal terminal inside the insulating case is attached to the circuit board by soldering, and is flexible It has a structure for electrically connecting the cable to the circuit board.

Such a connector for a flexible cable needs to have a firm binding structure that prevents the flexible cable inserted into the flexible cable connector from being easily pulled out for stable coupling between the flexible cable and the metal terminal.

Korean Patent Application Laid-Open No. 2010-0131849 discloses a connector for a flexible cable including a configuration capable of fixing the flexible cable inserted into the flexible cable connector.

The problem to be solved by the present invention is to provide a connector for a flexible cable having improved product reliability.

Another problem to be solved by the present invention is to provide a connector for a flexible cable including a metal fitting capable of stably maintaining the position of the driving unit.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to solve the above problems, a connector for a flexible cable according to some embodiments of the technical idea of the present invention includes a cable arrangement part on which the flexible cable is disposed on the front side, a contact insertion part on the back side, and a metal fitting insertion groove A housing included on both sides of the front side, a plurality of contacts inserted into the contact insertion unit, and a rotating protrusion on both rear side surfaces, and a pressing unit that rotates around the rotating protrusion to electrically contact the flexible cable and the plurality of contacts at the front The driving unit and the body portion inserted into the metal fitting insertion groove, the first cover portion extending from the body portion to the upper surface of the housing, the second cover portion extending from the body portion to the lower surface of the housing, and extending rearward from the body portion and a metal fitting including a press-fitting part for supporting the rotating protrusion and a support extending rearward from the first cover part to support the rotating protrusion, and the metal fitting includes a fastening groove engageable with the driving unit at the front.

In some embodiments, the driving unit includes a fastening protrusion protruding from both sides of the pressing part, and the fastening protrusion is fastened to the fastening groove to maintain a closed state of the driving unit.

In some embodiments, the fastening groove includes a first fastening surface and a second fastening surface that are opposed to each other, and when the driving unit is in a closed state, at least one of the first fastening surface and the second fastening surface is It is in direct contact with the fastening protrusion.

In some embodiments, the first fastening surface supports an upper surface of the fastening protrusion, and the second fastening surface supports a lower surface of the fastening protrusion.

In some embodiments, the fastening groove is formed in a space between the body part and the first cover part.

In some embodiments, the first cover part and the second cover part extend in a direction opposite to a direction in which the driving part is disposed from the body part.

In some embodiments, a length in which the first cover part extends from the body part is shorter than a length in which the second cover part extends from the body part.

In some embodiments, the press-in portion supports the upper surface of the rotating protrusion, and the support supports the lower surface of the rotating protrusion.

In some embodiments, the cross-section of the rotating protrusion is polygonal.

Other specific details of the present invention are included in the detailed description and drawings.

The connector for a flexible cable according to the present invention can stably maintain the position of the driving unit by using a metal fitting including a fastening groove. Accordingly, it is possible to maintain a stable connection between the flexible cable and the metal contact included in the flexible cable connector.

Therefore, connectors for flexible cables according to embodiments of the present invention may have improved product reliability.

1 is an exploded perspective view of a connector for a flexible cable according to an embodiment of the present invention.
2 is a perspective view of a connector for a flexible cable according to an embodiment of the present invention.
3 is a cross-sectional view taken along line AA of FIG. 2 .
FIG. 4 is a cross-sectional view taken along line BB of FIG. 2 .
FIG. 5 is a cross-sectional view taken along line CC of FIG. 2 .
6 is a perspective view of a metal fitting included in a connector for a flexible cable according to an embodiment of the present invention.
7 to 9 are partial perspective views of a connector for a flexible cable in accordance with an embodiment of the present invention viewed from different directions.
10 is a cross-sectional view showing step-by-step driving of a connector for a flexible cable according to an embodiment of the present invention.
11 is a cross-sectional view for explaining the effect of the metal fitting included in the connector for a flexible cable according to the present invention.
12 to 15 are cross-sectional views illustrating a step-by-step assembly process of a connector for a flexible cable according to an embodiment of the present invention.
16 is a cross-sectional view for explaining a cable catching jaw included in a connector for a flexible cable according to an embodiment of the present invention.
17 is a cross-sectional view of a connector for a flexible cable according to another embodiment of the present invention.
18 is a cross-sectional view of a connector for a flexible cable according to another embodiment of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

When one component is referred to as “connected to” or “coupled to” with another component, it means that it is directly connected or coupled to another component or intervening another component. including all cases. On the other hand, when one component is referred to as “directly connected to” or “directly coupled to” with another component, it indicates that another component is not interposed therebetween. “and/or” includes each and every combination of one or more of the recited items.

When a component is referred to as “on” or “on” another component, it includes all cases in which another component is interposed in the middle as well as directly above the other component. On the other hand, when a component is referred to as “directly on” or “directly above” another component, it indicates that other components are not interposed therebetween.

Spatially relative terms "below", "beneath", "lower", "above", "upper", etc. It can be used to easily describe the correlation between components and other components. The spatially relative terms should be understood as terms including different orientations of the device during use or operation in addition to the orientation shown in the drawings. For example, when an element shown in the drawings is turned over, a component described as "beneath" or "beneath" of another element may be placed "above" the other element. . Accordingly, the exemplary term “below” may include both directions below and above. Components may also be oriented in other orientations, and thus spatially relative terms may be interpreted according to orientation.

The terminology used herein is for the purpose of describing the embodiments and is not intended to limit the present invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and/or “comprising” refers to the presence of one or more other components, steps, operations, and/or elements mentioned. or addition is not excluded.

Although the first, second, etc. are used to describe various elements, these elements are not limited by these terms, of course. These terms are only used to distinguish one component from another. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical spirit of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used herein may be used with the meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in a commonly used dictionary are not to be interpreted ideally or excessively unless clearly defined in particular.

Hereinafter, a flexible cable connector according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5 .

1 is an exploded perspective view of a connector for a flexible cable according to an embodiment of the present invention. 2 is a perspective view of a connector for a flexible cable according to an embodiment of the present invention. 3 is a cross-sectional view taken along line A-A of FIG. 2 . 4 is a cross-sectional view taken along line B-B of FIG. 2 . FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2 .

Figure 1 is a perspective view for explaining the components included in the connector for a flexible cable according to an embodiment of the present invention, Figures 2 to 5 are components included in the connector for a flexible cable according to an embodiment of the present invention It is a perspective view and a cross-sectional view for explaining the coupling relationship between them.

1 to 5 are schematic views for explaining a connector for a flexible cable according to an embodiment of the present invention. Accordingly, the volume, length, and ratio of each of the components included in the flexible cable connector are not limited to those shown in the drawings.

Referring to FIG. 1 , a connector 1 for a flexible cable according to an embodiment of the present invention includes a housing 110 , a first contact 200 , a second contact 300 , a driving unit 400 , and a metal fitting 500 . ) is included.

The housing 110 may include a metal fitting insertion groove 111 , a cable fixing groove 113 , a contact insertion part 115 , a cable locking protrusion 117 , and a cable arrangement part 119 . The first contact 200 may include a first extension portion 210 , a concave portion 211 , a third extension portion 220 , a first contact portion 221 , and a first mounting portion 230 . The second contact 300 may include a second extension part 310 , a ring part 311 , a fourth extension part 320 , a second contact part 321 , and a second mounting part 330 . The driving unit 400 may include a rotating protrusion 410 , a supporting shaft 420 , a supporting ring 430 , a fastening protrusion 440 , and a pressing unit 450 . The metal fitting 500 may include a body part 510 , a fastening groove 515 , a first cover part 520 , a support 521 , a second cover part 530 , and a press-fitting part 540 .

The housing 110 may have a shape extending in the Y1 direction, and although not shown, a flexible cable may be inserted into the flexible cable connector 1 in the -X1 direction from the X1 direction. In this embodiment, in each of the components included in the flexible cable connector 1, it is assumed that the area or surface facing the direction in which the flexible cable is inserted is the front area, the front or the front, and the area opposite to this It is assumed that the surface is a rear region, a rear or a rear surface. However, the technical idea of the present invention is not limited thereto.

The metal fitting insertion groove 111 may be disposed on both sides of the front surface of the housing 110 . The metal fitting 500 may be inserted into the metal fitting insertion groove 111 . The depth of the groove in the -X1 direction of the metal fitting insertion groove 111 may be determined according to the length of the metal fitting 500 to be inserted.

The cable fixing groove 113 may be disposed on both sides of the front of the cable placement unit 119 . The cable fixing groove 113 supports the fixing jaws on both sides of the flexible cable, so that the flexible cable inserted into the flexible cable connector 1 can be prevented from detaching. This will be described later.

The contact insertion part 115 may be included in the rear surface of the housing 110 . Although the rear surface of the housing 110 is not shown in FIG. 1 , the first and second contact portions 221 and 321 of the first and second contacts 200 and 300 may be exposed on the cable arrangement portion 119 . , a contact insertion part 115 may be formed from the rear surface of the housing 110 to an area adjacent to the cable placement part 119 .

In addition, a cable arrangement unit 119 may be disposed on the front surface of the housing 110 . If the upper surface of the cable arrangement unit 119 can be exposed, the upper surface can be covered with the driving unit 400 . Since the first and second contact portions 221 and 321 are disposed on the upper surface of the cable placement unit 119, through this, it is possible to electrically contact the lower surface of the flexible cable.

The first contact 200 includes a first extension 210 having a concave portion 211 formed at one end in the upper region, and a third extension portion 210 having a first contact portion 221 at one end in the lower region ( 220), and a first mounting part 230 may be included at the other end opposite to the one side of the lower region. The first contact 200 may be mounted on the printed circuit board through the first mounting unit 230 . The first contact 200 may have an overall U-shape, but is not limited thereto.

The second contact 300 includes a second extension 310 having a ring portion 311 formed at one end in the upper region, and a fourth extension portion having a second contact portion 321 at one end in the lower region ( 320 , and a second mounting part 330 may be included at the other end of the lower region opposite to the one side. The second contact 300 may be mounted on the printed circuit board through the second mounting unit 330 . The second contact 300 may have an overall U-shape, but is not limited thereto.

The first contact 200 and the second contact 300 may be alternately inserted into the contact insertion unit 115 , but the present invention is not limited thereto. The first and second contacts 200 and 300 may be formed of a metallic material capable of transmitting an electrical signal.

The driving unit 400 includes a rotating protrusion 410 on both sides of the rear, and a support shaft 420 corresponding to the concave portion 211 and a support ring 430 corresponding to the ring portion 311 at the rear. can The rotation protrusion 410 , the support shaft 420 , and the support ring 430 may be arranged in a line to form a rotation shaft of the driving unit 400 . The driving unit 400 may include a pressing unit 450 in the front. The driving unit 400 rotates about the rotation shaft and presses the flexible cable through the pressing unit 450 , and the first and second contact units 221 and 321 and the flexible cable arranged on the cable arrangement unit 119 . can be electrically contacted. In addition, the driving unit 400 may include fastening protrusions 440 on both front side surfaces, and may be fastened to the fastening grooves 515 through the fastening protrusions 440 . That is, the driving unit 400 can maintain a closed state when the fastening protrusion 440 and the fastening groove 515 are fastened, and can maintain an open state when the fastening protrusion 440 and the fastening groove 515 are not fastened. there is.

Next, a coupling relationship between the components included in the flexible cable connector 1 according to an embodiment of the present invention will be described in detail with reference to FIGS. 2 to 5 .

2 to 5 are illustrated on the premise that the flexible cable connector 1 is in the closed state described above, but this is for explanation only, and it does not mean that the flexible cable connector according to the present invention always maintains a closed state .

1 to 3 , a cross-sectional view including the second contact 300 cut along the line A-A is shown.

The second contact 300 may be inserted into the contact insertion portion 115 of the housing 110 in the X1 direction, so that the ring portion 311 and the support ring 430 may be engaged. Specifically, the ring portion 311 extending upward (Z1 direction in FIG. 1) and the support ring 430 extending downward are alternately arranged, and can physically support each other. On the other hand, since the driving unit 400 can rotate around the support ring 430 , the ring part 311 is the support ring 430 on the lower surface of the support ring 430 during the rotational movement of the driving unit 400 . ) can be structurally supported.

1, 2 and 4 , a cross-sectional view including the first contact 200 cut along the line B-B is shown.

The first contact 200 may be inserted into the contact insertion portion 115 of the housing 110 in the X1 direction so that the concave portion 211 and the support shaft 420 may be engaged. Specifically, the concave portion 211 may physically support each other through a shape surrounding the upper region of the support shaft 420 . On the other hand, since the driving unit 400 can rotate around the supporting shaft 420 , the concave part 211 is formed on the supporting shaft 420 on the upper surface of the supporting shaft 420 during the rotational movement of the driving unit 400 . ) can be structurally supported.

That is, in the present embodiment, the driving unit 400 may rotate about the support shaft 420 and the support ring 430 , and the concave portion of the first contact 200 is on the support shaft 420 . At 211 , under the support ring 430 , the ring portion 311 of the second contact 300 may structurally support the driving unit 400 . Therefore, the flexible cable connector according to the present embodiment is capable of stable rotational movement.

1, 2 and 5 , a cross-sectional view including the metal fitting 500 cut along the line C-C is shown.

Unlike the first and second contacts 200 and 300 , the metal fitting 500 may be inserted into the metal fitting insertion groove 111 of the housing 110 in the -X1 direction. The metal fitting 500 may be inserted into the metal fitting insertion groove 111 with the body 510 as a center. The metal fitting 500 may include a fastening groove 515 in the front, and a fastening protrusion 440 may be disposed in the fastening groove 515 . Specifically, the fastening groove 515 may include a first fastening surface 511 and a second fastening surface 513 in the groove, and at least of the first fastening surface 511 and the second fastening surface 513 . One may contact the fastening protrusion 440 . Through this, the fastening protrusion 440 may be caught in the fastening groove 515 , and the driving unit 400 may maintain a closed state.

On the other hand, in this embodiment, the fastening protrusion 440 disposed in the fastening groove 515 is shown to be fastened in such a way as to contact the first fastening surface 511, but the technical idea of the present invention is limited thereto not. Accordingly, the fastening protrusion 440 may have a size capable of contacting the first and second fastening surfaces 511 and 513 at the same time, or alternatively, may only contact the second fastening surfaces 513 .

The metal fitting 500 may include a first cover part 520 extending upwardly of the body part 510 , a second cover part 530 extending downward, and a press-fitting part 540 extending rearward. , a support 521 may be included in the rear end region of the first cover part 520 .

The support 521 and the press-fitting part 540 may support the upper and lower surfaces of the rotating protrusion 410 , respectively. That is, when the driving unit 400 rotates around the rotating protrusion 410 , the support 521 and the press-in unit 540 may physically support it. Meanwhile, the cross-section of the rotating protrusion 410 may be polygonal rather than circular, as shown. Since the cross-section of the rotating protrusion 410 has a polygonal cross-section, the closed or open state of the driving unit 400 can be more stably maintained as compared to the case where the cross-section is circular. That is, when the plane included in the cross-section of the rotating protrusion 410 is in contact with the support 521 , the rotational movement of the rotating protrusion 410 is inhibited compared to the case in which the plane is a curved surface.

Although the press-fitting part 540 is shown to extend longer than the support 521 to the rear of the metal fitting 500 , the present invention is not limited thereto.

3 to 5, the connector 1 for a flexible cable according to the present invention includes a concave portion 211, a ring portion 311 and a support 521 for the rotational movement of the driving unit 400. can be structurally supported. In addition, each of the closed state and the open state of the driving unit 400 may be stably maintained through the fastening of the fastening protrusion 440 of the driving unit 400 and the fastening groove 515 of the metal fitting 500 .

Next, the coupling between the fastening protrusion 440 of the driving unit 400 and the fastening groove 515 of the metal fitting 500 in the closed state of the driving unit 400 will be described in more detail through a perspective view.

6 is a perspective view of a metal fitting included in a connector for a flexible cable according to an embodiment of the present invention. 7 to 9 are partial perspective views of a connector for a flexible cable, viewed from different directions, according to an embodiment of the present invention.

5 to 9, the function of the metal fitting included in the connector for a flexible cable according to an embodiment of the present invention and the relationship between other components will be described in detail. The connector for a flexible cable according to this embodiment is substantially the same as the connector for a flexible cable of FIGS. 1 to 4 described above. Accordingly, the same reference numerals refer to the same components, and overlapping descriptions of the same components may be omitted. On the other hand, the description according to the present embodiment will be described in detail with respect to points not described above with reference to FIGS. 1 to 4 .

6 is a perspective view of a metal fitting 500 included in a connector for a flexible cable according to an embodiment of the present invention. The first cover part 520 and the second cover part 530 may cover the upper and lower surfaces of the housing 110 , respectively. In addition, the fastening groove 515 may prevent separation of the fastening protrusion 440 of the driving unit 400 disposed in the fastening groove 515 . Meanwhile, the second cover part 530 may be disposed on the lower surface of the housing 110 to serve to be mounted on a printed circuit board.

7 to 9 are partial perspective views showing the metal fitting 500 included in the connector for a flexible cable according to an embodiment of the present invention. 7 is a perspective view viewed from a plane, FIG. 8 is a perspective view seen from the front, and FIG. 9 is a perspective view viewed from the drive unit 400 in an open state.

7 and 8 , it can be seen that the fastening protrusion 440 of the driving unit 400 is disposed in the fastening groove 515 of the metal fitting 500 , and the driving unit 400 maintains a closed state. Referring back to FIG. 8 , the fastening protrusion 440 is shown to have a triangular shape when viewed from the front, but is not limited thereto. Therefore, the fastening protrusion 440 is disposed in the fastening groove 515, and can be applied without limitation as long as it has a shape that can physically block movement. On the other hand, although the upper surface of the fastening protrusion 440 and the first fastening surface 511 of the fastening groove 515 are in contact and are shown to be physically supported, as described above, the present invention is not limited thereto. Also, the fastening protrusion 440 may not contact the housing 110 . That is, the fastening protrusion 440 may be disposed only in the fastening groove 515 of the metal fitting 500 . Therefore, the connector for flexible cable according to the present invention is one component corresponding to the fastening protrusion 440 in the open state and the closed state of the driving unit 400 , specifically, the fastening groove 515 of the metal fitting 500 . can be controlled through Therefore, such control can be performed more quickly and simply.

Meanwhile, the first cover part 520 of the metal fitting 500 may contact the upper surface of the adjacent housing 110 , and the second cover part 530 may contact the lower surface of the adjacent housing 110 . That is, more specifically, the metal fitting 500 inserted into the metal fitting insertion groove 111 uses each of the first cover part 520 and the second cover part 530 opposite to each other, and the housing 110 ) can be in direct contact with the upper and lower surfaces. Through this, the metal fitting 500 according to the present invention may be physically more firmly fixed in the housing 110 .

Referring to FIG. 9 , the shape of the metal fitting 500 when the driving unit 400 is maintained in an open state can be confirmed. On the other hand, the cable fixing groove 113 may be disposed to alternate with the fixing jaws 613 formed on the side of the inserted flexible cable 600 , and through this, it is possible to prevent the inserted flexible cable 600 from being separated.

10 is a cross-sectional view showing step-by-step driving of a connector for a flexible cable according to an embodiment of the present invention. 10A is a cross-sectional view illustrating a step in which the flexible cable 600 is inserted into the housing 110 in a state in which the driving unit 400 of the flexible cable connector is fully opened. Figure 10 (b) is a cross-sectional view showing a step in which the driving unit 400 of the flexible cable connector proceeds from an open state to a closed state. Figure 10 (c) is a cross-sectional view showing a state in which the driving unit 400 of the flexible cable connector is completely closed.

Referring to FIG. 10 , the rotation shaft of the driving unit 400 (the support shaft 420 in FIG. 10 ) is supported by the concave portion 210 of the first contact 200 and the ring portion 311 of the second contact 300 . In this state, it can be seen that the driving unit 400 is driven from the open state (a) to the closed state (c) by rotating about the rotation shaft. In the closed state (c), the driving unit 400 may press the flexible cable 600 to make electrical contact with the lower surface of the flexible cable 600 and the first and second contact parts 221 and 321 .

On the other hand, since the fastening groove 515 of the metal fitting 500 included in the connector for a flexible cable according to the present invention includes the first fastening surface 511 and the second fastening surface 513, the driving unit in the closed state ( 400) can be stably maintained. These effects will be described in detail with reference to FIG. 11 .

11 is a cross-sectional view for explaining the effect of the metal fitting included in the connector for a flexible cable according to the present invention. 11 is a case in which a connector for a flexible cable does not include a metal fitting is illustrated.

11 (a) is a cross-sectional view illustrating a case in which the first and second contact parts 211 and 321 are located in front of the support shaft 420, which is a rotation shaft, in a state in which the driving unit 400 is closed. b) is a cross-sectional view illustrating a case in which the first and second contact parts 211 and 321 are positioned rearward than the support shaft 420, which is a rotation shaft, in a state in which the driving part 400 is closed.

Referring to FIG. 11 , when the first and second contact portions 211 and 321 are located in front of the support shaft 420 that is the rotation shaft (a), the flexible cable 600 may be bent upward, so the driving unit A phenomenon in which the 400 is lifted upward from the normal position may occur. In comparison with this, when the first and second contact parts 211 and 321 are located at the rear of the support shaft 420, which is the rotation shaft (b), since the flexible cable 600 may be bent downward, the driving unit ( 400) may be bent downward from the normal position.

That is, in the connector for flexible cables, according to the positional relationship between the first and second contact parts 211 and 321 and the rotation shaft (the support shaft 420 in FIG. 11 ), the driving unit 400 is moved to the normal position (the driving unit in FIG. 10 ). (refer to the position of 400) may occur.

However, the fastening groove 515 of the metal fitting 500 included in the flexible cable connector according to the present invention may include first and second fastening surfaces 511 and 513 facing each other as described above. Accordingly, when the first and second contact portions 211 and 321 are located in front of the support shaft 420 that is the rotation shaft (a), the first fastening surface 511 in the fastening groove 515 is the driving part 400 . By preventing the fastening protrusion 440 from rising, it is possible to prevent a phenomenon in which the driving unit 400 is lifted upward from a normal state. Conversely, when the first and second contact parts 211 and 321 are located at the rear of the support shaft 420 serving as the rotation shaft (b), the second fastening surface 513 in the fastening groove 515 is the By blocking the descent of the fastening protrusion 440 , it is possible to prevent a phenomenon in which the driving unit 400 sags downward from a normal state.

12 to 15 are cross-sectional views illustrating a step-by-step assembly process of a connector for a flexible cable according to an embodiment of the present invention. 12 is a cross-sectional view illustrating a step in which the first contact 200 is assembled with the housing 110 , and FIG. 13 is a step in which the driving unit 400 is supported by the first contact 200 and assembled with the housing 110 . 14 is a cross-sectional view illustrating a step in which the second contact 300 is inserted into the housing 110 and assembled in engagement with the driving unit 400, and FIG. 15 is a metal fitting 500 in the housing ( 110) is inserted into, and is a cross-sectional view showing the step of assembling with the driving unit 400.

12 , the first contact 200 may be inserted into the prepared housing 110 . Referring back to FIGS. 1 and 12 , the first contact 200 may be inserted into the contact insertion part 115 formed at the rear of the housing 110 according to the arrow direction of FIG. 12A .

Referring to FIG. 13 , the housing 110 into which the first contact 200 is inserted and the driving unit 400 may be assembled. 1 and 13 together, the driving unit 400 may be disposed inside the housing 110 in the Z1 direction, and the support shaft 420 is a lower portion of the concave portion 211 of the first contact 200 . can be placed in Through this, as described above, during the rotational movement of the driving unit 400 , the upper surface of the support shaft 420 may be physically supported through the concave surface of the concave portion 211 .

Referring to FIG. 14 , as shown in FIG. 14A , as the second contact 300 is inserted in the direction of the arrow, the driving unit 400 may be in a fully opened state due to the ring unit 311 . . Then, the ring part 311 may be inserted into the housing 110 by elastically riding on the upper surfaces of the driving part 400 and the support ring 430 , and the second contact 300 may be inserted into the housing 110 . As shown in (b) of FIG. 14 , the inserted second contact 300 and the driving unit 400, the downwardly extending support ring 430 and the upwardly extending ring portion 311 are alternately arranged Through this, it is possible to physically support each other.

Referring to FIG. 15A , the metal fitting 500 may be inserted into the housing 110 according to the direction of the arrow. Subsequently, referring to FIG. 15B , the driving part 400 in the open state may be switched to a closed state by fastening the fastening protrusion 440 into the fastening groove 515 of the metal fitting 500 .

16 is a cross-sectional view for explaining a cable engaging jaw included in a connector for a flexible cable according to an embodiment of the present invention.

Referring to FIG. 16 , the flexible cable 600 may include a cover film 614 , a contact pad 613 , a base film 612 , and a reinforcing plate 611 that are sequentially stacked.

The cover film 614 may protect the lower surface of the contact pad 613 , the base film 612 may protect the upper surface of the contact pad 613 , and the reinforcing plate 611 is the flexible cable 600 . Physical strength can be improved.

In this embodiment, a portion of the lower surface of the contact pad 613 may be exposed through removal of a portion of the cover film 614 . A portion of the exposed lower surface of the contact pad 613 may be in electrical contact with the second contact portion 321 (or, although not shown, the first contact portion 221 ). Looking at the circle a formed by the dotted line, it can be seen that the cut surface of the cover film 614 and the jaw surface of the cable locking jaw 117 are in contact with each other.

That is, in the connector for flexible cables according to this embodiment, the cover film 614 is disposed up to the cable engaging projection 117 in the housing 110 , and the cut surface of the cover film 614 and the jaw surface of the cable engaging projection 117 are separated. By matching, the contact of the contact pad 613 with the outside can be reduced as much as possible. In addition, through this structure, even if a foreign material penetrates between the lower surface of the flexible cable 600 and the upper surface of the cable engaging projection 117 of the housing 110, it is possible to prevent a short circuit caused by the foreign material.

17 is a cross-sectional view of a connector for a flexible cable according to another embodiment of the present invention. The connector for a flexible cable according to this embodiment is substantially the same as the connector for a flexible cable according to the above-described embodiment, except for the shapes of the first and second contact portions included in the first contact and the second contact. . Accordingly, the same reference numerals as in the above-described embodiment refer to the same components, and overlapping descriptions of the same components will be omitted.

Referring to FIG. 17 , the second contact 300 may include a multi-contact portion 322 in the lower region. The multi-contact portion 322 may include a first protrusion 322a and a second protrusion 322b. The first protrusion 322a may have a relatively large size compared to the second protrusion 322b. That is, when the flexible cable is inserted, the first protrusion 322a may be disposed relatively adjacent to the flexible cable as compared to the second protrusion 322b. However, the present invention is not limited thereto. Accordingly, the second protrusion 322b may have the same size as the first protrusion 322a or may have a relatively large size.

18 is a cross-sectional view of a connector for a flexible cable according to another embodiment of the present invention. The connector for a flexible cable according to this embodiment is substantially the same as the connector for a flexible cable according to the above-described embodiment, except for the shape of the fastening groove 515 of the metal fitting 500 . Accordingly, the same reference numerals as in the above-described embodiment refer to the same components, and overlapping descriptions of the same components will be omitted.

Referring to FIG. 18 , the fastening groove 515 may include a first fastening surface 511 , a second fastening surface 513 , a third fastening surface 517 , and a fourth fastening surface 519 .

Since the fastening groove 515 of the metal fitting 500 according to this embodiment includes four fastening surfaces 511 , 513 , 517 , 519 connected to each other, the fastening protrusion 440 disposed in the fastening groove 515 . Fastening surfaces 511 , 513 , 517 , and 519 may be disposed on all of the slopes. In addition, although, the fastening groove 515 is shown to include a spaced apart from the fastening protrusion 440, it is not limited thereto. The size of the fastening groove 515 may be determined in consideration of the size of the fastening protrusion 440 to be fastened. Accordingly, the fastening surfaces 511 , 513 , 517 and 519 including the fastening groove 515 are all fastened. The size of the fastening groove 515 may be determined to be in contact with the protrusion 440 . In this case, since all the slopes of the fastening protrusion 440 of the driving unit 400 are supported by the fastening grooves 515 , it is possible to maintain a more firmly closed state.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those of ordinary skill in the art to which the present invention pertains can realize that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. you will be able to understand Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

110: housing
200: first contact
300: second contact
400: driving unit
500: metal fittings
600: flexible cable

Claims (9)

a housing including a cable disposing unit on a front side where a flexible cable is disposed, a contact insertion unit at a rear side, and metal fitting insertion grooves on both sides of the front side;
a plurality of contacts inserted into the contact insertion unit;
A driving unit including a rotating protrusion on both sides of the rear side, a pressing part rotating around the rotating protrusion to electrically contact the flexible cable and the plurality of contacts in the front, and a fastening protrusion protruding from both sides of the pressing unit ; and
a press-fitting part inserted into the metal fitting insertion groove and supporting the rotating protrusion; a body part extending forwardly from the press-fitting part; a first cover part extending from the body part to an upper surface of the housing; A second cover portion extending from the lower surface of the housing, a support extending rearwardly from the first cover portion to support the rotating protrusion, and a fastening groove formed in front of the body portion to be fastened to the fastening protrusion Connectors for flexible cables with metal fittings. The method of claim 1,
The fastening protrusion is fastened to the fastening groove to maintain a closed state of the driving part. 3. The method of claim 2,
The fastening groove includes a first fastening surface and a second fastening surface facing each other,
When the driving unit is in a closed state, at least one of the first fastening surface and the second fastening surface is in direct contact with the fastening protrusion. 4. The method of claim 3,
The first fastening surface supports the upper surface of the fastening protrusion,
The second fastening surface is a connector for a flexible cable that supports a lower surface of the fastening protrusion. The method of claim 1,
The fastening groove is a connector for a flexible cable formed in a space between the front of the body portion and the front of the first cover portion. The method of claim 1,
The first cover part and the second cover part may extend in a direction opposite to a direction in which the driving part is disposed from the body part for a flexible cable connector. The method of claim 1,
A connector for a flexible cable in which the length of the first cover part extending from the body part is shorter than the length of the second cover part extending from the body part. The method of claim 1,
The press-fitting part supports the lower surface of the rotating protrusion,
The support is a connector for a flexible cable that supports the upper surface of the rotating projection. The method of claim 1,
A connector for a flexible cable having a polygonal cross-section of the rotating protrusion.

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