TW201320476A - Connector for flat cable - Google Patents

Abstract

The invention provides a connector for a flat cable, which can simply and reliably connect to a flat cable, such as FPC, and accomplish a low profile. The connector for a flat cable has: a housing 3, on a top side of which a groove-shaped cable joint 2, into which a cable terminal 6 is inserted, is disposed; and a plurality of contacts 5, 5, ..., each of which has an elastic contact portion 4; wherein the housing 3 has uplift prevention pieces 36, 36, extending upwards and inwards from the upper edges of two internal surfaces of the cable joint 2 in the width direction of the connector, and elastic disengagement prevention members 20, 20, which are disposed on the near side of the depth direction of the connector of the uplift prevention pieces 36, 36. The elastic disengagement prevention member 20 has an elastic engaging piece 23, the elastic engaging piece 23 protruding toward the inside of the cable joint 2 in a manner capable of entering and exiting, and restraining an engaged portion 7 from moving toward the near side of the depth direction of the connector. The elastic engaging piece 23 can be pushed to a bottom plate, so that the elastic engaging piece 23 can move in a direction backing toward the cable joint.

Description

Flat cable connector

The present invention relates to a connector for a flat cable for connecting a flat cable such as an FPC (Flexible Printed Circuit) to a connection substrate.

In the related art, a connector for a flat cable having an upper end insertion type is known. The connector for a flat cable includes a housing having a groove-like wire fitting portion on a top surface side, and a plurality of contacts having a plurality of contacts. An elastic contact portion that elastically protrudes from the bottom surface portion of the casing toward the wire fitting portion; wherein the wire terminal portion disposed at the end of the flat cable is fitted into the wire fitting portion from the top surface side, and the wire terminal portion is removed from the wire Each of the signal wiring terminals exposed on the lower side is in elastic contact with the elastic contact portion, thereby electrically connecting the flat cable and the connection substrate (for example, Patent Document 1).

The connector for the cable is provided with an engaging member that protrudes inward in the connector width direction from both inner upper edge portions of the wire fitting portion, and is engaged with the top surface of the flat cable by the engaging member. In order to prevent the ridge of the flat cable.

The engaging member is formed in a shape in which the front end side is bent downward inward and outward in the width direction of the connector, and is elastically deformed in a direction retracted from the inside of the wire fitting portion when the flat cable is fitted from the top surface side and pressed by the lower surface of the flat cable. And elastically recovering after the flat cable is embedded in the accommodating portion, and engaging with the top surface of the flat cable.

[Practical Technical Literature] [Patent Literature]

Patent Document 1: Japanese Unexamined Patent Publication No. Hei 5-97077

However, in the prior art as described above, the engaging member having the following configuration is disposed on the inner top surface portion of the wire fitting portion: when the flat cable is fitted from the top surface side, it is elastically deformed in a direction retracted from the wire fitting portion. After the elastic recovery, it is engaged with the top surface of the cable; therefore, the thickness of the connector is increased, so that it is difficult to achieve a thinner overall connector.

In addition, the flat cable is held by the contact pressure of the contacts in the depth direction of the connector, and therefore, loosening may occur due to vibration or dropping.

Therefore, in view of such a conventional problem, it is an object of the present invention to provide a connector for a flat cable which can easily and reliably connect a flat cable such as an FPC and which can be made thinner.

In order to solve the above-described conventional problems and achieve the desired object, the connector for a flat cable according to the first aspect of the present invention includes a casing, and a groove-shaped wire fitting portion is disposed on a top surface side. a cable terminal portion formed by inserting a flat flat cable into the cable fitting portion; and a plurality of contacts each having an elastic contact portion projecting from the bottom surface side into the wire fitting portion; The cable terminal portion is fitted in the wire fitting portion, and the elastic contact portion and the signal wiring terminal exposed from one side of the wire terminal portion are elastically contacted with each other; and the connector for a flat cable is characterized in that The housing includes: an anti-lifting piece that protrudes inward in the connector width direction from both inner side edge portions of the wire fitting portion, thereby restricting movement of the wire terminal portion in the bulging direction; a blocking portion disposed on the inner side in the depth direction of the connector of the anti-lifting piece, thereby stopping the inner side edge of the connector in the depth direction of the engaged portion formed on the side portion of the wire terminal portion; and the elastic retaining member In the anti-lifting sheet Connector depth direction of the front side; the resilient retaining member having a resilient locking pieces, the resilient locking piece can be out of the cable to the fitting projecting portion, and the restriction is connected to the engagement portion The movement in the depth direction of the connector is moved toward the front side, and the elastic locking piece is pressed to the bottom plate side to move in a direction retracted from the wire fitting portion.

A connector for a flat cable according to a second aspect of the present invention, characterized in that, in addition to the structure of the first aspect, the elastic locking piece has a guide piece whose one end is supported by the case, and is disposed at the other end of the guide piece a locking portion that is engaged with the front side edge of the engaged portion in the depth direction of the connector, and the guide piece is formed in a shape in which the locking portion side is inclined inward and downward in the connector width direction. .

A connector for a flat cable according to a third aspect of the present invention, characterized in that, in addition to the structure of the first or second aspect, the elastic retaining member or the housing is closer to the connector in the depth direction of the elastic locking piece The front side is provided with a deformation preventing guide piece in an arrangement that faces the side edge of the elastic locking piece.

A connector for a flat cable according to a fourth aspect of the present invention, characterized in that, in addition to the structure of the first or second or third aspect, the elastic retaining member has a double strand formed to be parallel to the elastic locking piece The elastic push-up piece of the shape is disposed on the inner side in the depth direction of the connector of the elastic locking piece.

As described above, the connector for a flat cable according to the present invention includes a casing, and a groove-shaped wire fitting portion is disposed on the top surface side, and the flat wire fitting portion is fitted in a flat flat cable. a wire terminal portion formed; and a plurality of contacts each having an elastic contact portion projecting from the bottom surface side into the wire fitting portion; wherein the wire terminal portion is fitted in the wire fitting portion The elastic contact portion and the signal wiring terminal exposed from one side of the wiring terminal portion are elastically contacted with each other; and the connector for a flat cable includes: an anti-lifting piece from which the cable is removed The inner side edge portions of the fitting portion project inward in the connector width direction to restrict the movement of the wire terminal portion in the swell direction; the stopper portion is disposed on the inner side in the connector depth direction of the ridge preventing piece, And stopping the engaged portion formed on the side portion of the wire terminal portion An inner side edge of the connector in the depth direction; and an elastic retaining member disposed on the front side of the connector in the depth direction of the anti-lifting piece; the elastic retaining member has an elastic locking piece, and the elastic locking piece can enter and exit the row The wire fitting portion protrudes and restricts the movement of the engaged portion toward the front side in the depth direction of the connector, and the elastic locking piece is pressed to the bottom plate side to move in a direction retracted from the wire fitting portion. Thereby, a flat cable such as an FPC can be easily and surely connected to the substrate.

Further, in the present invention, the elastic locking piece has a guide piece whose one end is supported by the case, and is disposed on the other end side of the guide piece and is engaged with the front side edge of the connector in the depth direction of the engaged portion. a locking portion formed in a shape in which the locking portion side is inclined inward and downward in the connector width direction, whereby when the flat cable is pressed from the top surface side, the locking member can be The flat cable is guided to the correct position in the width direction of the connector and simply connected.

Further, in the present invention, the elastic retaining member or the casing is provided with a deformation preventing guide piece disposed on the front side in the depth direction of the connector of the elastic locking piece so as to face the side edge of the elastic locking piece. Thereby, deformation of the elastic locking piece can be prevented, and a reliable fitting state can be maintained.

Further, in the present invention, the elastic retaining member is provided with a double-stranded elastic push-up piece formed parallel to the elastic locking piece, and the elastic push-up piece is disposed in the connector depth direction of the elastic locking piece On the inner side, the flat cable can be simply and surely connected to the ground pattern or the like formed on the connection substrate via the elastic retaining member.

[Best Mode for Carrying Out the Invention]

Next, an embodiment of the connector for a flat cable of the present invention will be described with reference to the embodiments shown in Figs. 1 to 7 . In addition, the mark 1 in the figure is a connector for a flat cable, B is a connection substrate, and C is a flat cable such as FPC.

As shown in FIG. 1 and FIG. 2, the connector 1 for a flat cable includes a casing 3 having a groove-like wire fitting portion 2 on the top surface side, and a cable line from the bottom surface portion of the casing 3, respectively. The plurality of contacts 5, 5, ... of the elastic contact portion 4 projecting elastically in the fitting portion 2 are fitted into the wire fitting portion 2 by the wire terminal portion 6 formed at the end portion of the flat cable C, and Each of the signal wiring terminals S, S, ... exposed from the one-side side of the wiring terminal portion 6 is elastically contacted with each of the elastic contact portions 4, 4, ..., and the flat cable C and the connection substrate B are electrically connected.

As shown in FIG. 3, the flat cable C is formed of a flexible material into an elongated plate shape, and a wire terminal portion 6 is formed at one end portion thereof, and the wire terminal portion 6 is provided with a plurality of signal wiring terminals on one side. S, S, ... are exposed at intervals in the width direction of the wiring.

The wire terminal portion 6 has the engaged portions 7, 7 projecting outward from the both side portions, and the end portion of the flat cable C is formed in a wide width in the width direction of the wire.

A thin plate-shaped reinforcing plate 8 is adhered to the side opposite to the wiring terminals S, S, ... of the wiring terminal portion 6, and the reinforcing plate 8 is made of a conductive metal material and has a shielding effect against external noise.

As shown in FIG. 4, the casing 3 is integrally formed of a molded member 10 made of an insulating resin and a holding member 11 made of a conductive metal material, and has a groove-like wire fitting portion penetrating through the depth direction of the connector on the top surface side. 2. The wire terminal portion 6 is fitted into the wire fitting portion 2, and the flat cable C can extend from either side in the depth direction of the connector.

The molded member 10 includes a plate-shaped bottom plate portion 12 and side wall portions 13 and 13 that rise upward from both side edges of the bottom plate portion 12 in the connector width direction, and a wire fitting portion 2 is formed between the side wall portions 13 and 13 .

The bottom plate portion 12 is formed in a rectangular shape that is long in the width direction of the connector, and a central opening portion 14 that penetrates the thickness direction is formed in the center portion.

Further, in the bottom plate portion 12, a part of each of the contacts 5, 5 is embedded in the front side portion of the central opening portion 14 in the depth direction of the connector, and the contacts 5, 5 are assembled to be elastic. The contact portion 4 side is disposed in parallel to the inner side in the depth direction of the connector with a space interposed therebetween in the width direction of the connector.

Each of the contacts 5, 5, ... is formed by punching and bending a conductive metal material, and includes a base portion 15 having an elongated plate shape and a shape bent upward from one end portion of the base portion 15. The elastic contact portion 4 has a connecting portion 16 that is inclined downward from the other end portion of the base portion 15 and a board connecting portion 17 that is bent in the horizontal direction from the connecting portion 16.

In the contact 5, a part of the base portion 15 and the joint portion 16 are embedded in the molded member 10, and the elastic contact portion 4 is supported by the base portion 15 so as to be elastically deformable in the vertical direction. Further, the elastic contact portions 4, 4, ... are disposed on the lower side of the central opening portion 14 to avoid interference with the bottom plate portion 12 during elastic deformation.

On the other hand, the board connecting portion 17 extends from the one end of the connecting portion 16 toward the front side in the connector depth direction, and is exposed from the bottom surface of the casing 3, and is soldered to the terminal patterns P, P formed on the connecting substrate B... on.

Further, in the bottom plate portion 12 of the molded member 10, the slit portions 18 and 18 are formed on both sides of the front side in the depth direction of the connector, and the elastic retaining member 20 is integrally assembled to the notched portion 18 by insert molding.

As shown in FIG. 5, the elastic retaining member 20 is integrally formed by punching and bending a conductive metal plate, and includes a flat plate-shaped fixing plate portion 21 that is vertically folded upward from the side edge of the fixed plate portion 21. a curved shape of the support portion 22, and the support portion 22 The elastic locking piece 23 supported by the upper edge.

The fixing plate portion 21 is formed of a rectangular main body 21a and a fixing projection piece 21b disposed at one corner portion of the main body 21a, and the main body 21a and the fixing protruding piece 21b are on the bottom surface side along the edge portion of the molding member 10 side. Step portions 24, 24, ... are formed.

By providing the step portions 24 on the main body 21a and the fixing projecting piece 21b, respectively, the insulating resin enters the step portions 24 and 24 at the time of insert molding, whereby the elastic retaining member 20 can make the fixing plate portion 21 The molded member 10 is fixed in a state where the bottom surface of the casing 3 is exposed.

Further, the deformation preventing guide piece portion 25 is formed on the fixed plate portion main body 21a so as to be orthogonal to the support portion 22.

The deformation preventing guide piece portion 25 is formed in a shape that is bent upward from the edge portion of the fixing plate portion main body 21a, and is adjacent to the front side of the elastic locking piece 23 in the connector depth direction and opposite to the side edge of the elastic locking piece 23. The arrangement is formed to prevent deformation of the elastic locking piece 23.

On the other hand, the support portion 22 is formed to be exposed from the side surface of the casing 3 when assembled to the molded member 10.

In addition, the elastic locking piece 23 includes a guide piece portion 26 that is inclined downward from the upper edge of the support portion 22 toward the inner side in the connector width direction, and a locking portion 27 that is disposed on the inner side in the connector width direction of the guide piece portion 26, Therefore, it is possible to elastically deform in the vertical direction with reference to the end portion on the side of the support portion 22.

The guide piece portion 26 is formed such that the distal end thereof is at substantially the same position as the inner side surface of the wire fitting portion 2 in the connector width direction and is substantially the same height as the inner bottom surface, and is used as a positioning guide block when the flat cable C is mounted. Features.

The locking portion 27 is formed in an arc shape that is bent upward from the front end portion of the guide piece, and is protruded toward the front side portion of the side portion of the wire fitting portion 2 in the connector depth direction. When the locking portion 27 is pressed from above, the elastic locking piece 23 is elastically deformed and moved in a direction retracted from the inside of the wire fitting portion 2, and elastically recovers when the pressing force is released, and protrudes into the wire fitting portion 2.

As shown in FIG. 6 , the holding member 11 is integrally formed by punching and bending a conductive metal plate, and includes an elongated plate-shaped frame portion 30 that is long in the connector width direction and the frame portion 30 . The stopper portions 31, 31 of the shape in which the both side portions are bent upward, the upper plate piece 32 which is disposed outwardly bent from the stopper portion 31 in the horizontal direction, and the lower edge from the side edge of the upper plate piece 32 are bent downward. The side plate piece 33 of the shape and the substrate connecting piece 34 of a shape bent inward from the lower edge of the side plate piece 33.

Further, on the holding member 11, the upper plate piece 32, the side plate piece 33, and the substrate connecting piece 34 form a fixing portion 35 having a U-shaped cross section, and this fixing portion 35 is fitted into the outer side surface portion of the side wall portion 13, thereby making the molded member 10 and the holding member 11 are integrated.

In the frame portion 30, a concave portion 30a that engages with the bottom edge portion of the molded member 10 is formed at the inner edge portion in the depth direction of the connector, and the concave portion 30a is engaged with the bottom edge portion 12a of the molded member 10 to restrict The movement of the retaining member 11 relative to the molded member 10 in the depth direction of the connector.

The stopper portion 31 is disposed on the inner side portion of the wire fitting portion 2 and the inner side in the depth direction of the connector by assembling the holding member 11 and the molding member 10, thereby forming a stopper portion, and fitting the flat cable C into the wire fitting portion At 2 o'clock, the inner side edge of the engaged portion 7 in the depth direction of the connector is stopped by the stopper portions 31, 31.

The upper plate piece 32 is formed in a rectangular shape in which the width in the width direction of the connector is longer than the wall thickness of the side wall portion 13 and extends from the stopper portion 31 toward the front side in the depth direction of the connector. When the holding member 11 and the molding member 10 are integrated, the inner edge portion protrudes inward from the upper edge of the side wall portion 13, and the inner wire edge fitting portion 2 is the inner side in the connector depth direction of the wire fitting portion 2 from the wire fitting portion 2 The thin-plate-shaped anti-lifting piece 36 that protrudes inward in the connector width direction of the inner side surface portion functions.

The substrate connecting piece 34 is exposed from the bottom surface of the casing 3 and is fixed to the fixing pattern formed on the connecting substrate B by soldering, whereby the casing 3 as a whole is connected to the connecting substrate B.

As shown in FIGS. 7(a) to 7(b), in the connector 1 for a flat cable having the above configuration, the cable terminal portion 6 is laterally directed from the top surface of the casing 3 toward the front side in the depth direction of the wire fitting portion 2. The bottom plate side is press-fitted, and as shown in FIGS. 7(b) to 7(c), the flat cable C is embedded in the cable line by sliding the wire terminal portion 6 inward in the connector depth direction in this state. The joint portion 2 elastically contacts the elastic contact portions 4 of the respective contacts 5, 5, ... and the signal wiring terminals S, S, ... of the flat cable C.

When the wire terminal portion 6 is press-fitted from the top surface side of the casing 3 toward the bottom plate side, the guide piece portions 26 and 26 are inclined toward the inner side in the connector width direction. Therefore, even the connector width direction position of the wire terminal portion 6 is obtained. It is detached from the position of the wire fitting portion 2, and can be guided to the center side of the casing by the guide piece portions 26, 26.

Further, the elastic locking piece 23 is pressed to the bottom plate side by the lower surface of the engaged portions 7 and 7 of the flat cable C, and is elastically deformed in a direction retracted from the wire fitting portion 2, and the wire terminal is made When the portion 6 is horizontally slidably moved to the wire fitting portion 2, the movement of the portion 6 is not hindered.

On the other hand, when the wire terminal portion 6 is slidably moved, the engaged portion 7 is inserted under the ridge preventing pieces 36 and 36, and the inner edge of the engaged portion 7 in the connector depth direction is blocked by the stopper portion 31, 31 stops and the wire terminal portion 6 is fitted into the wire fitting portion 2; the position of the engaged portion 7 is from the elastic locking piece 23 in accordance with the movement of the wire terminal portion 6. When moving upward, the elastic locking pieces 23 and 23 are released from the pressed state and elastically restored, thereby restricting the movement of the engaged portion 7 toward the front side in the connector depth direction.

As described above, in the connector 1 for a flat cable, the flat cable C can be easily inserted into the cable fitting portion 2, and the movement of the flat cable C in the bulging direction can be restricted by the anti-lifting sheets 36 and 36, and the card will be stuck at the same time. The joint portion 7 is sandwiched between the stopper portion 31 and the elastic locking piece 23, thereby restricting the movement of the connector in the depth direction, and therefore, the mounting becomes reliable, and the flat cable C can be prevented from being removed from the casing 3 due to vibration or dropping. Get rid of.

Further, the wire terminal portion 6 is urged upward by the elastic contact portions 4, 4, ..., and the reinforcing plate 8 is crimped to the bulging preventing pieces 36, 36. Therefore, the reinforcing plate 8 is shielded by the grounding connection of the holding member 11 The cover features.

Further, in the connector for a flat cable of the present invention, as shown in Figs. 8 to 10, the elastic retaining members 40, 40 may be used instead of the elastic retaining member 20 described in the above embodiment. In the drawing, the reference numeral 41 is a connector for a flat cable using the elastic retaining member 40, and the reference C2 is a flat cable such as an FPC. The same portions as those in the above-described embodiment are designated by the same reference numerals and will not be described.

As shown in Fig. 9, the flat cable C2 includes grounding wiring terminals G and G at both ends of the wiring terminal portion 6, and a plurality of signal wiring terminals S and S are disposed between the two grounding wiring terminals G and G. . . .

On the other hand, the elastic retaining member 40 is integrally formed by punching and bending a conductive metal plate, and has a flat fixing plate portion 21 and a side from the fixing plate portion 21 as in the above-described embodiment. The support portion 22 having a shape that is bent vertically upward.

Further, the fixing plate portion 21 is welded to the ground pattern GP formed on the connection substrate B.

Further, the elastic retaining member 40 is formed in a mutually parallel double-strand shape supported by the upper edge portion of the support portion 22, and has an elastic locking piece 42 and an elastic push-up piece 43, and the elastic push-up piece 43 is disposed at The connector of the elastic locking piece 42 is inward in the depth direction.

Further, the elastic locking piece 42 and the elastic push-up piece 43 have guide piece portions 42a and 43a which are formed in the same shape and are inclined downward from the upper edge of the support portion 22 toward the inner side in the connector width direction, and the guide piece portion 42a and 43a are respectively provided with the locking portion 42b and the contact portion 43b on the inner side in the connector width direction, and are elastically deformable in the vertical direction with respect to the end portion on the side of the support portion 22.

The leading ends of the two guide piece portions 42a and 43a are formed at substantially the same position as the inner side surface of the wire fitting portion 2 in the connector width direction and substantially at the same height as the inner bottom surface, thereby serving as a positioning guide for mounting the flat cable C2. The block functions.

The locking portion 42b and the contact portion 43b are formed in an arc shape that is bent upward from the front end portion of the guide piece, and is closer to the front side in the connector depth direction of the side portion of the wire fitting portion 2 When the locking portion 42b and the contact portion 43b are pressed from above, the elastic locking piece 42 and the elastic pushing piece 43 are elastically deformed and moved in a direction retracted from the inside of the wire fitting portion 2, and are released. When the pressure is restored, the elasticity is restored and protrudes into the wire fitting portion 2.

In the connector 41 for a flat cable configured as described above, when the flat cable C2 is fitted into the cable fitting portion 2, the elastic locking piece 42 and the elastic push-up piece 43 are engaged by the engaging portions 7, 7 of the flat cable C2. The lower surface is pressed to the bottom plate side, and is elastically deformed in a direction retracted from the wire fitting portion 2, so that the movement of the wire terminal portion 6 to the wire fitting portion 2 is prevented from being hindered.

On the other hand, when the wire terminal portion 6 is slidably moved, the engaged portion 7 is inserted under the ridge preventing pieces 36, 36 while the connector depth directions of the engaging portions 7, 7 are The inner edge is stopped by the stopper portions 31 and 31, and the wire terminal portion 6 is fitted into the wire fitting portion 2, and the positions of the engaged portions 7 and 7 are elastically locked with the movement of the wire terminal portion 6. When the sheets 42 and 42 are moved upward, the elastic locking pieces 42, 42 are released from the pressed state and elastically restored. As shown in Fig. 9, the elastic locking pieces 42, 42 are deeper into the connector portions of the engaged portions 7, 7. The direction is closer to the front side and the movement of the flat cable C2 is restricted. On the other hand, the elastic push-up sheets 43 and 43 are in elastic contact with the ground wiring terminals G and G exposed from the single-sided side of the flat cable C2.

Thereby, the grounding wiring terminals G and G of the flat cable C2 are grounded by the elastic detachment preventing members 40 and 40 to exhibit a masking effect, and the external noise of the signal wirings S, S can be masked. .

Further, in the above embodiment, the holding member 11 and the elastic retaining member 20 (40) are respectively described as independent members, but the holding member and the elastic retaining member may be integrally formed using the same mold.

B‧‧‧Connecting substrate

C, C2‧‧‧ flat cable

G‧‧‧Terminal wiring terminal

GP‧‧‧ grounding pattern

P‧‧‧ terminal pattern

S‧‧‧ Signal wiring terminal

1‧‧‧Connector for flat cable

2‧‧‧Cable fittings

3‧‧‧Shell

4‧‧‧Flexible contact

5‧‧‧Contacts

6‧‧‧Wire terminal

7‧‧‧Becamped

8‧‧‧ Strengthening board

10‧‧‧Molded components

11‧‧‧Retaining components

12‧‧‧Bottom plate

13‧‧‧ Sidewall

14‧‧‧Central opening

15‧‧‧ base

16‧‧‧Connecting Department

17‧‧‧Substrate connection

18‧‧‧cut section

20‧‧‧Flexible anti-offset components

21‧‧‧ Fixed plate department

21a‧‧‧ Subject

21b‧‧‧Fixed projections

22‧‧‧Support

23‧‧‧Flexible card

24‧‧‧Steps

25‧‧‧Anti-deformation guide piece

26‧‧‧Leading film

27‧‧‧Cards

30‧‧‧Framework

30a‧‧‧ recess

31‧‧‧stop

32‧‧‧Upper board

33‧‧‧ side panels

34‧‧‧Slab connection piece

35‧‧‧ fixed department

36‧‧‧Anti-lifting film

40‧‧‧Flexible anti-offset components

41‧‧‧Connector for flat cable

42‧‧‧Flexible card

42a, 43a‧‧‧ Guides

42b‧‧‧ card stop

43‧‧‧Flexible push-up

43b‧‧‧Contacts

Fig. 1 is a perspective view showing an example of a connector for a flat cable of the present invention.

Fig. 2 is a perspective view showing an example of changing the mounting direction of the flat cable.

Fig. 3 is a bottom view showing an example of the flat cable of Fig. 1.

Fig. 4 (a) is a perspective view of the casing portion of Fig. 1 as viewed from the upper side, and Fig. 4 (b) is a perspective view as seen from the bottom surface side thereof.

Fig. 5 (a) is a plan view showing an example of the elastic retaining member of Fig. 4, (b) is a front view thereof, and (c) is a bottom view thereof.

Fig. 6(a) is a perspective view showing the holding member of Fig. 4, and Fig. 6(b) is a perspective view as seen from the bottom surface side thereof.

7(a) to 7(c) are perspective views for explaining a process of attaching a flat cable to a casing.

Fig. 8 is a perspective view showing another example of the connector for a flat cable of the present invention. Figure.

Fig. 9 is a bottom view showing the flat cable of Fig. 8.

Fig. 10 is a perspective view showing the casing of Fig. 8.

B‧‧‧Connecting substrate

C‧‧‧flat cable

P‧‧‧ terminal pattern

1‧‧‧Connector for flat cable

2‧‧‧Cable fittings

3‧‧‧Shell

5‧‧‧Contacts

6‧‧‧Wire terminal

8‧‧‧ Strengthening board

10‧‧‧Molded components

11‧‧‧Retaining components

17‧‧‧Substrate connection

20‧‧‧Flexible anti-offset components

23‧‧‧Flexible card

31‧‧‧stop

36‧‧‧Anti-lifting film

Claims (4)

A connector for a flat cable includes a casing, and a groove-shaped wire fitting portion is disposed on a top surface side, and a wire terminal portion formed on a flat flat cable is fitted in the wire fitting portion And a plurality of contacts each having an elastic contact portion projecting from the bottom surface side into the wire fitting portion; wherein the elastic contact portion is formed by embedding the wire terminal portion in the wire fitting portion The terminal for signal wiring exposed from one side of the wiring terminal portion is in elastic contact with each other, and the connector for a flat cable includes: an anti-lifting piece from both inner sides of the wire fitting portion The upper edge portion protrudes inward in the width direction of the connector, thereby restricting the movement of the wire terminal portion in the swell direction; the stopper portion is disposed on the inner side in the depth direction of the connector of the ridge preventing piece, thereby stopping the row The engaged portion formed on the side portion of the wire terminal portion has a connector in the depth direction inner edge; and the elastic retaining member is disposed on the front side in the connector depth direction of the anti-lifting piece; the elastic retaining member has an elastic locking Sheet, the elastic lock The protruding portion protrudes into the wire fitting portion, and restricts the movement of the engaged portion toward the front side in the depth direction of the connector, and presses the elastic locking piece to the bottom plate side to be inserted from the wire. The direction of the joint retreat moves. The connector for a flat cable according to the first aspect of the invention, wherein the elastic locking piece has a guide piece whose one end is supported by the case, and a other end side of the guide piece and is engaged with the engaged portion A locking portion that is engaged with the front side edge in the depth direction of the connector, and the guide piece is formed in a shape in which the locking portion side is inclined inward and downward in the connector width direction. The connector for a flat cable according to claim 1 or 2, wherein the elastic retaining member or the housing is closer to the front side in the depth direction of the connector of the elastic locking piece, and the elastic locking piece The side edge is disposed opposite to each other with a guide piece for preventing deformation. The connector for a flat cable according to the first, second or third aspect of the invention, wherein the elastic retaining member has a double-strand elastic push-up piece formed parallel to the elastic locking piece, the elastic upper The pusher is disposed on the inner side in the depth direction of the connector of the elastic locking piece.