JP2008235272A - Flexible cable connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve a grounding performance by mounting a grounding cover on an easy mounting slot of a housing. <P>SOLUTION: The flexible cable connector is composed of a housing 2 which is provided with an easy mounting slot 22 where a flexible cable is easily mounted and fixed and is fixed on a printed circuit board, a lot of terminals 4 inserted into the housing from a rear side of the housing and fixed, and an actuator 6 which fixes the flexible cable inserted into a front side of the housing. There is provided a grounding cover 9 on both side faces of which a first supporting means 91 which contacts with a grounding terminal formed on the printed circuit board is formed and on an upper side of which a second supporting means 92 which grounds by contacting with a terminal of the flexible cable 100 and which is connected with an upper portion of the easy mounting slot 22. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention relates to a flexible cable connector, and more particularly to a flexible cable connector that can be firmly coupled to a printed circuit board (PCB) and can improve grounding performance.

Flexible cables are relatively thin film type cables that can be divided into FFC type (Flexible Flat Cable) and FPC type (Flexible Printed Circuit).

Generally, a flexible cable connector is attached to the printed circuit board to electrically connect the flexible cable to the printed circuit board.

Hereinafter, an example of such a flexible cable connector will be briefly described with reference to FIGS. 1a, 1b and 2. FIG.

As shown in the figure, a conventional flexible cable connector 70 is fixed on a printed circuit board and is formed of a synthetic resin material, a plurality of terminals 20 inserted from the rear of the housing 10, and the front of the housing 10. An actuator 30 for fixing the flexible cable inserted into the housing 10 to the housing 10; and an operating piece 40 for raising the actuator 30 and inserting it into the pivot groove 20a of the terminal 20.

At this time, a seating slot 11 in which the FPC / FFC is seated and fixed is formed at the front end portion of the housing 10, and a terminal insertion portion 12 into which the terminal 20 is inserted and fixed is formed in the rear end portion of the housing 10. The fixing arm 13 is formed on both sides of the housing 10, and the fixing groove 13 a to which both ends of the actuator 30 are fixed is formed inside the fixing arm 13.

In addition, fixed projections 31 that are rotatably fixed to the fixed groove 13a are formed on both sides of the rear end portion of the actuator 30, and the actuator 30 is positioned at a closed position on both sides of the front end portion of the actuator 30. At this time, locking protrusions 32 that are locked to both sides of the front portion of the housing 10 and lock the actuator 30 from rotating are formed.

On the other hand, a rotary shaft 33 that is inserted into the pivot groove 20a of the terminal 20 at the time of assembly is formed at the rear end portion of the actuator 30.

In the flexible cable connector described above, the rear end portion of the flexible cable connector is inserted between the fixed arms 13 with the actuator 30 standing vertically, and the fixed protrusions 31 are inserted into the fixed grooves 13a of the housing 10, respectively. Is inserted into the terminal insertion portion 12, the operating piece 40 is inserted into each side of the housing 10, and the rotating shaft 33 of the actuator 30 is inserted into the pivot groove 20 a of the terminal 20 to complete the assembly.

In order to connect the flexible cable to the connector thus assembled, first, the actuator 30 is rotated and positioned at the open position, and the end of the flexible cable is seated in the seating slot 11 of the housing 10. After that, the actuator 30 is finally rotated in the opposite direction to be positioned at the closed position.

However, in the conventional flexible cable connector configured as described above, when the end of the flexible cable is deformed by the pressing force of the actuator 30 when the flexible cable is connected to the housing of the connector, As a result, there was a problem that the grounding was not performed accurately.

In addition, since the conventional flexible cable connector has an assembly structure that is mounted on the printed circuit board only by the terminal 20 portion by soldering or the like, the assembly strength between the connector and the printed circuit board is very low. In some cases, it was damaged by vibration or external force. In order to avoid this, when a separate structure is added on the printed circuit board, the assembly structure and the assembly work may be complicated.

The present invention was made to solve the problems of the prior art as described above, and its purpose is to enhance the grounding performance by attaching a grounding cover to the seating slot of the housing, An object of the present invention is to provide a flexible cable connector that can improve the assembly strength when mounted on a printed circuit board, and can further improve performance.

In order to achieve the above object, a flexible cable connector according to an aspect of the present invention is formed with a seating slot into which a flexible cable is inserted and a terminal insertion portion in which a terminal is installed, on a printed circuit board. A housing to be fixed, a plurality of terminals inserted into a terminal insertion portion of the housing, a top of the seating slot, a lid, and a ground terminal formed on the printed circuit board. And a ground cover including first support means formed on both side surfaces of the lid body and second support means formed on the lid body to contact the terminals of the flexible cable. To do.

Here, the first support means of the ground cover is bent downward from both end portions of the lid.

The first support means of the ground cover is tightly coupled to the outer surface of the housing.

However, the first support means of the ground cover may be fitted and inserted in close contact with a groove formed at the tip of the housing.

Further, the second support means is formed by cutting a cover body of the ground cover, and is bent downward in an “L” shape.

Further, two or more second support means are arranged in parallel.

In addition, an actuator that pressurizes an end of the flexible cable is rotatably coupled to the housing.

The seating slot may be formed on the front surface, and the terminal insertion portion may be formed on the rear side.

Meanwhile, the front end of the ground cover is formed with third support means that is bent downward.

In this case, the third support means is formed by being bent in a two-stage bending shape.

As described above, according to the present invention, the ground performance can be increased by the ground cover, and the bundling state and connection performance of the flexible cable can be made firm.

In addition, the connector can be more firmly attached to the printed circuit board via the first support means of the ground cover.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 3 is a perspective view showing a flexible cable connector according to the present invention, and FIG. 4 is an exploded perspective view showing a flexible cable connector according to the present invention.

As shown in FIGS. 3 and 4, the flexible cable connector A according to the present invention has a seating slot 22 into which a flexible cable is inserted on the front surface, and a terminal insertion portion 24 behind the seating slot 22. Formed on the printed circuit board (not shown), a plurality of terminals 4 inserted behind the housing 2 and inserted into the terminal insertion portion 24, and an end of the flexible cable 100 An actuator 6 that pressurizes and fixes a portion, a fixture 8 that is installed in the housing 2 and supports the actuator 6 to prevent detachment, and a seating slot 22 of the housing 2 are coupled to the printed circuit board. And a ground cover 9 that is in contact with the terminal of the flexible cable 100.

More specifically, the housing 2 is made of a synthetic resin material and has a rectangular shape. A seating slot 22 into which the flexible cable 100 is inserted is formed on the front surface. The terminal insertion portion 24 including a large number of grooves 240 is formed so that upper ribs 42 of the terminal 4 to be described later are fitted.

The seating slot 22 is recessed in the front surface of the housing 2 so that the end of the flexible cable 100 can be inserted, and the upper part thereof is opened.

The flexible cable 100 is formed by continuously arranging a large number of conductive wires, and then melting and melting the synthetic resin to form a plate. The flexible cable 100 is easily bent and stretched. The coating was removed to allow electrical contact.

A terminal insertion portion 26 is formed behind the terminal insertion portion 24. The terminal insertion portion 26 includes a long groove 264 that is aligned with the above-described groove 240 and into which a lower rib 44 of the terminal 4 described later is inserted.

The terminal insertion portion 26 is open at the top so that the actuator 6 is coupled. Pivot grooves 262 into which the rotation shafts 62 of the actuator 6 are inserted are formed on both side walls, and the terminal insertion portion 26 is linearly connected to the pivot groove 262. Incision grooves 266 are formed on the upper surfaces of both side walls.

The terminal 4 is made of a substantially “材” -shaped conductive metal material in which an upper side rib 42 and a lower side rib 44 are formed, and the length of the upper side rib 42 is relatively longer than that of the lower side rib 44. By being formed, the upper rib 42 is inserted into the groove 240 of the terminal insertion portion 24, and the lower rib 44 is inserted into the long groove 264 of the terminal insertion portion 26 and coupled.

The actuator 6 is formed in a rectangular shape so as to be coupled to the terminal insertion portion 26, the rotating shaft 62 inserted into the pivot groove 262 is formed on both sides of the outside, and the terminal of the flexible cable 100 is inserted on the lower surface. A plurality of slits 64 are formed so as to be aligned with the long groove 264.

The fixing tool 8 is inserted into the incision groove 266 of the terminal insertion portion 26, and the tip thereof is positioned above the pivot groove 262 so as to support the rotating shaft 62 of the actuator 6 inserted into the pivot groove 262. Thus, the actuator 6 can be prevented from detaching, and the shape thereof is a metal piece formed in a substantially “⊃” shape.

The ground cover 9 is a conductive metal plate that is coupled to the seating slot 22 of the housing 2, contacts the printed circuit board, and contacts the upper portion of the terminal of the flexible cable 100. 91 and the second support means 92 are formed. The lid 90 has a flat plate shape, but may be bent and formed in a square shape.

Both ends of the lid 90 are formed with first support means 91 that are fitted on the outer surface of the housing 2 and connected to a ground terminal (not shown) of the printed circuit board. The second support means 92 is formed so as to be bent downward and to support the upper portion of the terminal of the flexible cable 100. The second support unit 92 may be formed around the lid 90.

For this purpose, both ends of the rectangular conductive metal plate material are bent downward to form the first support means 91 having elasticity, and the second support means 92 formed by punching the lid 90 is moved downward. What is necessary is just to bend in L-shape and to have elasticity.

In the drawing, the second support means 92 is formed of two pieces, but may be formed of one piece or three or more pieces.

The first support unit 91 contacts a ground terminal formed on the printed circuit board, and the second support unit 92 contacts the end of the flexible cable 100.

The end of the flexible cable 100 from which the coating has been removed comes into contact with the terminal 4 at its tip, and the intermediate portion can be brought into electrical conduction by contacting the second support means 92 described above. become.

Further, the ground cover 9 is elastically inserted into the outer surface of the housing 2 by the first support means 91 having elasticity.

FIG. 5 is a partially cutaway perspective view showing the flexible cable connector according to the present invention in a coupled state.
As shown in the figure, the ground cover 9 is fitted and inserted into the upper part of the seating slot 22 of the housing 2, and the first support means 91 is fitted and fitted to both side surfaces of the housing 2. If comprised in this way, the coupling | bonding of the grounding cover 9 and the housing 2 will become very firm.

After the assembly process, when the connector is mounted on the printed circuit board, the lower end of the first support means 91 is coupled to a ground terminal provided on the printed circuit board. In this case, a general coupling method such as soldering or welding is adopted.

Thereafter, a large number of terminals 4 are inserted into the terminal insertion portion 26 and the terminal insertion portion 24 of the housing 2, and the rotary shaft 62 is inserted into the pivot groove 262 provided in the terminal insertion portion 26 to couple the actuator 6.

Thereafter, the assembly of the flexible cable connector A according to the present invention is completed by coupling the fixture 8 to the incision grooves 266 formed on both sides of the terminal insertion portion 26 of the housing 2 so as to support the rotating shaft 62 of the actuator 6. To do.

6a and 6b are cross-sectional views showing examples of use of the flexible cable connector according to the present invention.
As shown in FIG. 6 a, after the actuator 6 is rotated upward to secure an insertion space, the end of the flexible cable 100 is inserted into the seating slot 22 of the housing 2, and the tip passes through the slit 64. Until it contacts the lower rib 44 of the terminal 4.

If the flexible cable 100 is thus inserted, the second support means 92 of the ground cover 9 can be grounded by contacting the end of the flexible cable 100.

Thereafter, as shown in FIG. 6b, if the actuator 6 is rotated downward, the end of the flexible cable 100 can be pressurized and fixed.

On the other hand, FIGS. 7 to 10 show a flexible cable connector in which the ground cover is configured differently from the above-described embodiment. Since the overall structure is the same as that of the above-described embodiment, the same components are assigned the same reference numerals, and redundant descriptions are omitted.

As shown in the drawing, third support means 95 that is bent downward is formed at the front end of the upper portion of the ground cover 9.

In the drawings, six connectors are formed at equal intervals in the width direction of the connector, but the number is not limited greatly.

Further, since the third support means 95 is formed by being bent in a two-stage bending shape, the guide can be easily made at the initial stage when the cable is inserted.

Similar to the third support unit 95 and the second support unit 92, the third support unit 95 and the second support unit 92 are for grounding, and have the effect of further ensuring the grounding function.

In the grounding cover 9 according to the present embodiment, since the third support means 95 is formed, only two second support means 92 may be formed. However, the number is not greatly limited.

Further, in this embodiment, the first support means 91 of the ground cover 9 is inserted so as to be in close contact with the groove 28 formed at the tip of the housing 2.

In the drawing, after the first support means 91 is inserted into the groove 28, it is bent so as to contact the lower end of the housing 2, thereby preventing the ground cover 9 from being detached from the housing 2 in the vertical direction. Can be done.

Of course, it may be in close contact with the outer surface of the housing 2 as in the above-described embodiment.

Although the present invention has been described in connection with the preferred embodiments referred to above, various modifications and variations obvious to those skilled in the art are possible without departing from the scope of the claims of the present invention.

It is a perspective view which shows an example of the conventional flexible cable connector. FIG. 1b is a partially assembled perspective view of FIG. 1a. FIG. 2 is an exploded perspective view of FIG. 1. It is a perspective view which shows the flexible cable connector which concerns on one Example of this invention. FIG. 4 is an exploded perspective view of FIG. 3. FIG. 4 is a partially cutaway perspective view of FIG. 3. It is sectional drawing which shows the usage example of FIG. It is sectional drawing which shows the usage example of FIG. It is a perspective view which shows the flexible cable connector which concerns on the other Example of this invention. FIG. 8 is a partially cutaway perspective view of FIG. 7. It is sectional drawing of FIG. FIG. 8 is a bottom perspective view showing the structure of the ground cover of FIG. 7.

Explanation of symbols

2 Housing 4 Terminal 6 Actuator 8 Fixing 9 Grounding cover 22 Seating slot 24 Terminal insertion portion 26 Terminal insertion portion 42 Upper side rib 44 Lower side rib 62 Rotating shaft 91 First support means 92 Second support means 95 Third support means

Claims (10)

A seating slot into which the flexible cable is inserted, a terminal insertion part in which the terminal is installed, and a housing fixed on the printed circuit board,
A number of terminals inserted into the terminal insertion portion of the housing;
A first support means coupled to an upper portion of the seating slot and formed on both sides of the lid for contacting a lid and a ground terminal formed on the printed circuit board; and a terminal of the flexible cable. A flexible cable connector comprising: a grounding cover including second support means formed on the lid so as to come into contact with the cable. The flexible cable connector according to claim 1, wherein the first support means of the ground cover is bent downward from both end portions of the lid. The flexible cable connector according to claim 2, wherein the first support means of the ground cover is tightly coupled to the outer surface of the housing. The flexible cable connector according to claim 2, wherein the first support means of the ground cover is fitted into a groove formed at a tip of the housing. 5. The flexible cable connector according to claim 1, wherein the second support means is formed by cutting a lid body of the ground cover and bent downward in an “L” shape. The flexible cable connector according to claim 5, wherein two or more second support means are arranged side by side. The flexible cable connector according to claim 5, wherein an actuator that pressurizes an end of the flexible cable is rotatably coupled to the housing. The flexible cable connector according to claim 7, wherein the seating slot is formed in a front surface, and the terminal insertion portion is formed in a rear side. The flexible cable connector according to claim 8, wherein third support means that is bent downward is formed at a front end of the ground cover. The flexible cable connector according to claim 9, wherein the third support means is formed by being bent in a two-stage bending shape.

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