WO2012055130A1

WO2012055130A1 - Connector and connecting structure for flexible flat cable

Info

Publication number: WO2012055130A1
Application number: PCT/CN2010/079542
Authority: WO
Inventors: 贺成明; 张彦学
Original assignee: 深圳市华星光电技术有限公司
Priority date: 2010-10-25
Filing date: 2010-12-08
Publication date: 2012-05-03
Also published as: CN102035088B; DE112010005960B4; DE112010005960T5; CN102035088A

Abstract

A connector and a connecting structure for a flexible flat cable (FFC) comprise a body (10), conductive terminals (20) and a cover plate (30). The body (10) has a side wall (11) and a boss (13) between which a groove (12) is formed. The conductive terminals (20) are in the shape of bending. One end of the conductive terminals are located on the boss (13). The cover plate (30) has a cover part (31) and a clamp part (32). The cover part (31) covers the boss (13) and the clamp part (32) is inserted into the groove (12) of the body (10). The conductive terminals (20) are partly located between the boss (13) and cover plate (30). By providing a groove (12) in the body (10) and inserting the cover plate (30) into the groove (12) to fix the FFC connected to the connector, the connector and connecting structure for a FFC solve the problem of assembly loosening of the FFC and connector and increase the assembly reliability.

Description

Connector, flexible flat cable connection structure

Technical field

The present invention relates to the field of liquid crystal display manufacturing, and in particular to a connector, a flexible flat cable connection structure.

Background technique

Current mass production for connecting flexible flat cables (flexible flat Cable, FFC) connector structure can be divided into two categories: one is a common connector without special clamping design, such connectors are easy to loose when used, resulting in product anomalies; the other is The mounting ears are designed on both sides of the FFC, and the mounting brackets on the connector are combined to form the mounting ears. Although this kind of method solves the problem of looseness, there are three problems: 1. FFC design lugs need to open the mold, and the manufacturing precision of FFC is relatively high, this part will cause this increase; 2. In FFC When the ears are opened on both sides, the width of the FFC is increased, which causes waste of materials and leads to an increase in product cost. 3. When using, the operator must ensure that the mounting ears of the FFC have been loaded into the bosses. Caution, the FFC mounting ears are only loosely coupled to the boss, which will result in poor signal transmission, which greatly affects the assembly reliability.

technical problem

The invention provides a connection structure of a connector and a flexible flat cable, which can solve the problem that the flexible flat cable and the connector are loosely assembled, improve the yield of the part, and reduce the production cost.

Technical solution

In order to solve the above problems, the present invention provides a connector including a body, a conductive terminal and a cover plate; the body has a side wall and a boss, and a recess is formed between the side wall and the boss; The conductive terminal is bent, and one end of the conductive terminal is disposed on the body; the cover has a cover portion and a holding portion, the cover portion is covered on the boss, and the latch portion is inserted into the groove of the body .

As an optional technical solution, the conductive terminal portion is disposed on the boss and located between the boss and the cover.

As an alternative technical solution, the height of the side wall is greater than the height of the boss.

As an alternative technical solution, the cover plate has an L shape.

As an alternative technical solution, the end of the catch portion of the cover has an arc-shaped guide angle.

As an optional technical solution, the body further includes a bottom wall, and the boss is formed at a middle portion of the bottom wall.

As an optional technical solution, the conductive terminal is disposed on the bottom wall and penetrates the boss.

The present invention further provides a connection structure of a flexible flat cable, the connection structure of the flexible flat cable comprising: a connector, the connector comprising a body, a conductive terminal and a cover, the body having a side wall and a boss, a recess is formed between the sidewall and the boss, the conductive terminal is bent, and one end of the conductive terminal is disposed on the boss, the cover has a cover portion and a latch portion; a flat cable, one end of the flexible flat cable abuts on a portion of the conductive terminal disposed on the boss and is electrically connected thereto; the reinforcing plate has an L shape, and the reinforcing plate has a cover portion and a reinforcing portion. The covering portion is covered on the flexible flat cable, and the reinforcing portion is inserted into the groove; the cover portion of the cover plate is covered on the covering portion of the reinforcing plate, and the holding portion is inserted into the groove to be reinforced The reinforcing portion of the plate is located between the boss and the holding portion; the length of the reinforcing portion of the reinforcing plate is greater than the combined thickness of the flexible flat cable and the conductive terminal.

The invention further provides a connection structure of a flexible flat cable, comprising a connector and a flexible flat cable; the connector comprises a body, a conductive terminal and a cover, the body having a side wall and a boss Forming a groove between the sidewall and the boss, the conductive terminal is bent, one end of the conductive terminal is disposed on the body, the cover has a cover portion and a holding portion; the flexible flat cable and The conductive terminals are electrically connected; the latching portion of the cover plate is inserted into the recess, the cover portion covers the flexible flat cable, and the conductive terminal is disposed between the body and the flexible flat cable.

As an optional technical solution, one end of the flexible flat cable is bent, and a bent portion of the flexible flat cable is inserted into the groove.

As an optional technical solution, the conductive terminal portion is disposed on the boss and located between the boss and the cover, and the flexible flat cable portion is located between the conductive terminal and the cover.

As an optional technical solution, the bent portion of the flexible flat cable is located between the latching portion of the cover plate and the conductive terminal.

As an optional technical solution, the connection structure of the flexible flat cable further includes a reinforcing plate, the reinforcing plate has an L shape, and the reinforcing plate has a covering portion and a reinforcing portion, and the covering portion covers the flexible flat cable. The reinforcing portion is inserted into the recessed portion; the cover portion of the cover plate is covered on the covering portion of the reinforcing plate, the engaging portion is inserted into the recess, and the reinforcing portion of the reinforcing plate is located at the boss and the holding portion between.

As an optional technical solution, the length of the reinforcing portion of the reinforcing plate is greater than the combined thickness of the flexible flat cable and the conductive terminal.

As an optional technical solution, the body further has a bottom wall, and the boss is formed at a middle portion of the bottom wall.

As an optional technical solution, the height of the boss is less than or equal to the height of the combination of the flexible flat cable and the conductive terminal.

Beneficial effect

According to the present invention, by providing a recess in the body, the cover plate is inserted into the recess to fix the flexible flat cable that is inserted into the connector, and the flexible flat cable is clamped by the cover and the boss to prevent the flexible flat cable. Slip outward, which solves the problem of loose assembly of flexible flat cables and connectors to increase assembly reliability.

DRAWINGS

1 is a schematic exploded view of the connector in a specific embodiment of the connector according to the first embodiment of the present invention.

2 is a schematic structural view of a flexible flat cable according to a first embodiment of the present invention.

3 is a combined schematic view of a connection structure of a flexible flat cable according to a first embodiment of the present invention.

4 is an exploded perspective view showing a connection structure of a flexible flat cable according to a second embodiment of the present invention.

FIG. 5 is a combined schematic view of a connection structure of a flexible flat cable according to a second embodiment of the present invention.

Fig. 6 is an exploded perspective view showing the connection structure of a flexible flat cable according to a third embodiment of the present invention.

7 is a combined schematic view of a connection structure of a flexible flat cable according to a third embodiment of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

The specific implementation manner of the connection structure of the connector and the flexible flat cable provided by the present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, features and advantages of the present invention more obvious, the detailed description of the preferred embodiments and the accompanying drawings, The present specification provides various embodiments to illustrate the technical features of various embodiments of the present invention. The configuration of the components in the embodiments is for the purpose of clearly illustrating the disclosure and is not intended to limit the invention. The portions of the drawings in the different embodiments are repeated for the purpose of simplifying the description and are not intended to relate to the different embodiments.

Embodiment 1

1 is a schematic exploded view of a connector according to a first embodiment of the present invention. The connector includes a body 10, a plurality of conductive terminals 20, and a cover plate 30.

The body 10 has a side wall 11 and a boss 13 and a groove 12 formed between the side wall 11 and the boss 13 . The height of the side wall 11 is greater than the height of the boss 13 . The body 10 also has a terminal slot 14 that extends through the sidewall 11 and that communicates with the recess 12.

The conductive terminals 20 are bent to abut against the upper surface of the boss 13 , the sidewall of the recess 12 , and the bottom surface of the recess 13 , and extend through the terminal slot 14 to extend the body 10 .

The cover plate 30 has an L shape and has a cover portion 31 and a catch portion 32 connected to the cover portion 31. As a preferred embodiment, the length of the catch portion 32 should be such that the cover plate 30 is covered behind the recess 12, and the retaining portion 32 can be embedded in the recess 12.

2 is a schematic structural view of a flexible flat cable according to a first embodiment of the present invention. The flexible flat cable 19 includes an insulating wrap layer 191 and a plurality of parallelly arranged cable wires 192, and cable wires 192. They are separated from each other by an insulating material, and one end of the flexible flat cable 19 is bent, and the cable lead 192 of the bent portion is exposed.

FIG. 3 is a schematic structural view of the connector shown in FIG. 1 after being inserted into the flexible flat cable 19 of FIG. 2 . The bent portion of the flexible flat cable 19 is inserted into the recess 12 and electrically connected to the conductive terminal 20 . The other portion of the flexible flat cable 19 is covered on the boss 13, and the conductive terminal 20 is located between the boss 13 and the flexible flat cable 19.

The cover portion 31 of the cover plate 30 covers the flexible flat cable 19, and the latch portion 32 is inserted into the recess 12, and the distance between the cover plate 30 and the top end of the recess 12 should be the thickness of the flexible flat cable 19 and The sum of the thicknesses of the conductive terminals 20, and therefore the length of the catch portion 32 should be substantially greater than the sum of the thickness of the flexible flat cable 19 and the thickness of the conductive terminals 20. The end portion of the catch portion 32 of the cover plate 30 has an arcuate guide angle, which is advantageous in that the catch portion 32 can be smoothly inserted into the gap between the flexible flat cable 19 and the recess 12 during assembly. Inside.

The spacing between the latching portion 32 of the cover plate 30 and the conductive terminal 20 in the recess 12 is smaller than the thickness of the flexible flat cable 19 in the recess 12, and specifically, should be slightly It is smaller than the thickness of the flexible flat cable 19. Since the flexible flat cable 19 is flexible, the spacing between the latch 32 and the conductive terminal 20 is smaller than the thickness of the flexible flat cable 19, meaning that the flexible flat cable 19 is inserted after the recess 12 is inserted into the recess 12 When the portion 32 is inserted into the recess 12, the catch portion 32 can be pressed against the conductive terminal 20 of the side wall of the recess and press the flexible flat cable 19 to better secure the flexible flat cable 19 within the connector.

In this embodiment, the boss 13 of the body 10 resists the bent portion of the flexible flat cable 19 and the latch portion 32 of the cover 30, and the latch portion 32 holds the flexible flat cable 19, thereby The flexible flat cable 19 is effectively prevented from coming off the connector.

Embodiment 2

FIG. 4 is a schematic exploded view showing the connection structure of a flexible flat cable according to a second embodiment of the present invention. In this embodiment, the structural structure of the connector is the same as that of the connector in the first embodiment. In this embodiment, the connection structure of the flexible flat cable is different from the connection structure of the flexible flat cable of the first embodiment in that the cable lead 192' at one end of the flexible flat cable 19' is exposed; the flexible flat The cable connection structure further has a reinforcing plate 40 having an L shape and having a covering portion 41 and a reinforcing portion 42 connected to the covering portion 41.

Figure 5 is a combined schematic view showing a connection structure of a flexible flat cable according to a second embodiment of the present invention, and a cable lead 192' of the flexible flat cable 19' The exposed end is abutted on a portion of the conductive terminal 20' which is disposed on the boss 13', and is electrically connected to the conductive terminal 20'.

The cover portion 41 of the reinforcing plate 40 is covered on the flexible flat cable 19', and the reinforcing portion 42 of the reinforcing plate 40 is inserted into the recess 12'. The length of the reinforcing portion 42 of the reinforcing plate 40 is greater than the thickness of the combination of the flexible flat cable 19' and the conductive terminal 20', so that the reinforcing portion 42 of the reinforcing plate 40 can hold the boss 13'.

The cover portion 31' of the cover 30' is capped on the cover portion 41 of the reinforcing plate 40, and the catch portion 32' is held between the reinforcing portion 42 of the reinforcing plate 40 and the side wall 11' of the body 10'.

In the present embodiment, the flexible flat cable 19' is held by the covering portion 41 of the reinforcing plate 40, the reinforcing portion 42 and the holding portion 32' of the cover 30', thereby effectively preventing the flexible flat cable 19' from being disconnected from the connector. Falling off.

Embodiment 3

FIG. 6 is a schematic exploded view showing the connection structure of a flexible flat cable according to a third embodiment of the present invention. In the present embodiment, the flexible flat cable 19" and the reinforcing plate 40" have the same structure as the flexible flat cable 19' and the reinforcing plate 40 in the second embodiment. In this embodiment, the body 10" has a side wall 11" and a bottom wall 15, and a central portion of the bottom wall 15 is parallel to the side wall 11" to form a boss 13", the boss 13" and the side wall 11" A recess 12" is formed therebetween, and a terminal slot 16 extends through the boss 13". One end of the conductive terminal 20" penetrates the terminal slot 14" and protrudes from the body 10", and the other end is disposed through the terminal slot 16 on the bottom wall 15 of the body 10".

FIG. 7 is a schematic diagram showing the combination of a connection structure of a flexible flat cable according to a third embodiment of the present invention. The flexible flat cable 19" is abutted at one end of the bottom wall 15 and electrically connected to the conductive terminal 20". The cover portion 41" of the reinforcing plate 40" covers the flexible On the flat cable 19" and the boss 13", the reinforcing portion 42" of the reinforcing plate 40" is inserted into the recess 12". The cover portion 31" of the cover plate 30" is covered on the cover portion 41" of the reinforcing plate 40", and the latching portion 32" of the cover plate 30" is held by the reinforcing portion 42" of the reinforcing plate 40"" Between the side wall 11" of the body 10".

The cover portion 41" of the reinforcing plate 40" covers the flexible flat cable 19" and the boss 13" for the reinforcing portion 40 "The flexible flat cable 19" can be effectively held, and the height of the boss 13" should be less than or equal to the height of the combination of the conductive terminal 20" and the flexible flat cable 19".

In this embodiment, the reinforcing plate 40" is held by the boss 13" and the groove 12", so that the reinforcing plate 40" clamps the flexible flat cable 19", thereby effectively preventing the flexible flat cable 19" from falling off the connector. .

The above is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and refinements without departing from the principles of the present invention. These improvements and retouchings should also be regarded as The scope of protection of the invention.

Embodiments of the invention

Industrial applicability

Sequence table free content

Claims

A connector comprising a body, a conductive terminal and a cover; wherein:

The body has a side wall and a boss, and a recess is formed between the side wall and the boss;

The conductive terminal is bent, and one end of the conductive terminal is disposed on the body;

The cover has a cover portion and a latching portion, the cover portion is covered on the boss, and the latch portion is inserted into the recess of the body.
The connector according to claim 1, wherein said conductive terminal portion is disposed on the boss and located between said boss and the cover.
The connector of claim 1 wherein said sidewall has a height greater than a height of said boss.
The connector of claim 1 wherein said cover is L-shaped.
The connector of claim 1 wherein the end of the catch portion of the cover has an arcuate lead angle.
The connector according to claim 1, wherein said body further comprises a bottom wall, said boss being formed in a middle portion of said bottom wall.
The connector of claim 6 wherein said electrically conductive terminal is disposed on the bottom wall and extends through said boss.
A connection structure of a flexible flat cable, characterized in that the connection structure of the flexible flat cable comprises:

a connector, the connector includes a body, a conductive terminal and a cover, the body has a side wall and a boss, a recess is formed between the sidewall and the boss, and the conductive terminal is bent One end of the conductive terminal is disposed on the boss, and the cover has a cover portion and a latching portion;

a flexible flat cable, one end of the flexible flat cable abuts on a portion of the conductive terminal disposed on the boss and is electrically connected thereto;

a reinforcing plate having an L-shape, the reinforcing plate having a covering portion and a reinforcing portion, the covering portion covering the flexible flat cable, the reinforcing portion being inserted into the groove;

The cover portion of the cover plate is closed on the cover portion of the reinforcing plate, and the retaining portion is inserted into the groove, and the reinforcing portion of the reinforcing plate is located between the boss and the holding portion;

The length of the reinforcing portion of the reinforcing plate is greater than the combined thickness of the flexible flat cable and the conductive terminal.
The connection structure of a flexible flat cable according to claim 8, wherein the height of the side wall is greater than the height of the boss.
The connection structure of a flexible flat cable according to claim 8, wherein the cover plate has an L shape, and an end portion of the holding portion has an arc-shaped guide angle.
A connection structure of a flexible flat cable, comprising a connector and a flexible flat cable; wherein the connector comprises a body, a conductive terminal and a cover, the body having a side wall and a boss, Forming a groove between the side wall and the boss, the conductive terminal is bent, one end of the conductive terminal is disposed on the body, the cover plate has a cover portion and a holding portion;

The flexible flat cable is electrically connected to the conductive terminal;

The retaining portion of the cover plate is inserted into the recess, the cover portion covers the flexible flat cable, and the conductive terminal is disposed between the body and the flexible flat cable.
The connection structure of a flexible flat cable according to claim 11, wherein one end of the flexible flat cable is bent, and a bent portion of the flexible flat cable is inserted into the recess.
The connection structure of a flexible flat cable according to claim 12, wherein the conductive terminal portion is disposed on the boss and located between the boss and the cover, and the flexible flat cable portion is located at the conductive Between the terminal and the cover.
The connection structure of the flexible flat cable according to claim 11, wherein the bent portion of the flexible flat cable is located between the latching portion of the cover plate and the conductive terminal.
The connection structure of the flexible flat cable according to claim 11, wherein the connection structure of the flexible flat cable further comprises a reinforcing plate, the reinforcing plate has an L shape, and the reinforcing plate has a covering portion and a reinforcing portion. The covering portion is covered on the flexible flat cable, and the reinforcing portion is inserted into the groove; the cover portion of the cover plate is covered on the covering portion of the reinforcing plate, and the holding portion is inserted into the groove, The reinforcing portion of the reinforcing plate is located between the boss and the holding portion.
The connection structure of the flexible flat cable according to claim 15, wherein the length of the reinforcing portion of the reinforcing plate is greater than the combined thickness of the flexible flat cable and the conductive terminal.
The connection structure of a flexible flat cable according to claim 11, wherein the body further has a bottom wall, and the boss is formed at a middle portion of the bottom wall.
The connection structure of a flexible flat cable according to claim 17, wherein the conductive terminal is disposed on the bottom wall and penetrates the boss.
The connection structure of the flexible flat cable according to claim 11, wherein the height of the boss is less than or equal to the height of the combination of the flexible flat cable and the conductive terminal.
The connection structure of a flexible flat cable according to claim 11, wherein the height of the side wall is greater than the height of the boss.