CN2593393Y - Improved structure of flexible circuit board connector - Google Patents

Abstract

An improved structure of flexible circuit board connector includes a body seat, several first terminals, several second terminals, a movable cover, etc. when the flexible circuit board is inserted into the connector body seat and is electrically contacted with the contact convex card of the contact arm of the first and second terminals, it has the effect of high stability and uneasy release because it is pressed and positioned by the lower end surface of the movable cover and the linkage block in each slot; in addition, when the movable cover is pivoted outwards and opened to insert the flexible circuit board and the movable cover is pivoted reversely, the long edges of the long linkage blocks can prop open the supporting arms of the first terminals and upwards link the contact convex cards of the contact arms of the first terminals to be electrically contacted with the flexible circuit board, and when the movable cover returns to the original position, the flexible circuit board is pressed to be electrically contacted with the contact convex cards of the contact arms of the second terminals through the linkage blocks, so that the flexible circuit board can be in stable electrical contact with the contact convex cards of the first terminals and the second terminals, and the effects of reducing defective products and improving the product yield are relatively achieved.

Description

Improved Structure of Flexible Circuit Board Connector

technical field

The utility model relates to an improved structure of a flexible circuit board connector.

Background technique

The commonly used flexible circuit board connectors are shown in Figures 1 to 2. After investigation, there are the following defects:

1. The terminal 8 embedded in the body seat 7 of the connector is fixed in the embedded groove 71 only by its contact arm 81 and support arm 82, and is stopped by the inner abutting parts 831 and 832 on both sides of the terminal 8 in the embedded groove. The edge surfaces 711 and 712 on both sides of the slot 71 , so the assembly stability of the terminal 8 and the insertion slot 71 is poor.

2. When the flexible circuit board 9 is inserted (refer to Figure 1) and the movable cover 90 returns to its original position downwards, force must be applied directly to squeeze the contact protrusion 811 of the contact arm 81 between the flexible circuit board 9 and the terminal 8, so the operation It is difficult (refer to FIG. 2 ), and the contact between the flexible circuit board 9 and the contact convex card 811 is easy to loosen, resulting in poor touch.

Contents of the invention

The purpose of this utility model is to overcome the defects of the above-mentioned prior art and provide an improved structure of a flexible circuit board connector.

The purpose of this utility model is achieved in that a kind of improved structure of flexible printed circuit board connector comprises:

A body seat is arranged at intervals to provide a plurality of positioning grooves for respectively embedding a plurality of second terminals and first terminals. In addition, the two side walls of the body seat are used for pivoting a movable cover, and the front sides of both sides There is also a slot for inserting and positioning the fixed piece from bottom to top;

The two fixing pieces respectively have an inserting piece and a positioning part, and there is a slot between the inserting piece and the positioning part, through which the inserting piece and the slot are inserted into the slot of the body seat from bottom to top, and Its positioning part is located on the front side of the front end surface of the two side walls of the body seat;

A number of first terminals are embedded in the positioning grooves of the body seat through their support arms and contact arms respectively, and there is a contact protrusion on the inner side of the contact arm, and there is a connecting arm between the contact arm and the support arm. ;

A number of second terminals have a fixed arm and a contact arm on the rear side for being embedded in the front side of each positioning groove of the body seat, and the inner side of the contact arm has a contact convex card;

A movable cover is pivotally arranged between the two side walls of the main body seat, and its rear side is a connecting plate;

It is characterized by:

For the first terminal, a pivoting groove that can be hooked into by the linkage blocks of the grooves of the linkage plate of the movable cover is recessed below the inner side of the support arm, and the upper part of the connecting arm is extended horizontally to the outside. After the length, a fixed arm is vertically extended, and the fixed arm extends horizontally with a positioning arm. The insert extending upward through the positioning arm is inserted into the fixing groove of the body seat. adjoining wall against;

For the second terminal, there is a horizontal slot between the contact arm and the fixed arm, and the horizontal insert block provided at the appropriate part of the body seat is embedded in it;

The movable cover has a hollow space of appropriate size under its front side, and there are notches symmetrically arranged in front of both sides, and a protruding block is formed at the rear of both sides. It has a downwardly protruding deflection arc block, and the linkage plate on the rear side of the movable cover is provided with several grooves, and a long linkage block with an appropriate size and upper and lower arc surfaces is connected between each groove ;

The body seat is further provided with a fixing groove communicating with the lower side of the positioning channel on its rear side, and an insert located in the positioning channel is provided on the lower side of the front side, and the two sides of the body seat are close to the middle part. There are concave parts symmetrically, the bottom surface of each concave part is recessed downward into a concave arc part, and the rear side of each concave arc part forms an inclined surface, while the front side forms a vertical surface;

The movable cover is inserted into the body seat, and each linkage block in each groove of the linkage plate is located in the pivot groove of the support arm of the first terminal provided on the body seat; and the two sides of the movable cover The protruding block is just located in the recesses on both sides of the body seat, and the deflection arc block below the protruding block is also located in the concave arc below the recess of the body seat.

The front side of the slot in front of both sides of the movable cover is adjacent to a front protruding block, and the front protruding block has a lower guide slope and an upper positioning concave part located above, and the two sides of the aforementioned body seat are embedded An arc bending piece is formed above the positioning portion of the fixed piece.

The positive progressive effect of the present utility model is:

1. When the flexible printed circuit board 5 is inserted into the main body seat 1 of the connector and the contact convex cards 221, 311 of the contact arms 22, 31 of the first and second terminals 2, 3 are in electrical contact, due to the lower part of the movable cover 4 The end surface 45 and the interlocking blocks 4111 in the respective slots 411 resist the positioning, so it has the effect of high stability and not easy to loosen.

2. When the movable cover 4 is pivoted outwards and opened, the flexible circuit board 5 is inserted and the movable cover 4 is reversely pivoted, so that the long sides of the elongated moving blocks 4111 can stretch the support arm of the first terminal 2 21 and move upward the contact convex card 221 of its contact arm 22 to electrically contact with the flexible circuit board 5, and when the movable cover 4 returns to its original position, it pushes the flexible circuit board 5 and the flexible circuit board 5 through its linkage blocks 4111. The contact convex card 311 of the contact arm 31 of the second terminal 3 is in electrical contact, so the flexible circuit board 5 can have relatively stable electrical properties with the contact convex cards 221, 311 of the first and second terminals 2, 3 Contact, relatively has the effect of reducing defective products and improving product yield.

3. The first terminal 2 is embedded in the positioning channel 12 of the body seat 1 through its support arm 21 and contact arm 22, and the positioning arm 25 extended upward by its fixed arm 24 is extended upward. It is inserted into the fixing groove 14 of the body seat 1, and the two sides of the bottom end of the insert 251 can be abutted against the adjacent walls 141, 142 on both sides below the fixing groove 14, so that the first terminal 2 has a relatively good positioning effect .

4. When the movable cover 4 is not opened, the rear parts 4421 of the upper positioning recesses 442 on both sides of the movable cover 4 can be caught by the arc bending pieces 1021 of the fixing pieces 10 on both sides of the body seat 1 Buckle, and has the positioning effect that prevents movable cover 4 from loosening.

5. The second terminal 3 is inserted into the horizontal insert 16 of the body seat 1 through its horizontal slot 310, and then when the front side 301 of the fixing arm 30 of each second terminal 3 is accidentally moved from bottom to top by the user, When touched (for example, when the user intends to pivot the movable cover 4 from bottom to top and outwards, the finger touches it accidentally), it has the effect of being stable and not loose.

Description of drawings

Figure 1 is a schematic cross-sectional view of a conventional product where the flexible circuit board has been inserted but the movable cover has not returned to its original position.

Fig. 2 is a schematic cross-sectional view of a conventional product with the flexible circuit board inserted and the movable cover returned to its original position.

Fig. 3 is a perspective view of the body seat in the embodiment of the present invention.

Fig. 4 is a perspective view of the movable cover in the embodiment of the present invention.

FIG. 5A is an enlarged schematic view of the first terminal in the embodiment of the present invention.

FIG. 5B is a schematic enlarged plan view of the second terminal in the embodiment of the present invention.

Fig. 6A is a three-dimensional combined view of the embodiment of the utility model.

Fig. 6B is a schematic enlarged plan view of the fixing piece in the embodiment of the present invention.

Fig. 7 is a combined sectional view of a new embodiment of the utility model.

Fig. 8A is a schematic cross-sectional view of the embodiment of the present invention in which the movable cover is opened and the flexible circuit board is inserted.

Fig. 8B is a perspective view of the embodiment of the present invention in which the movable cover is opened and the flexible circuit board is inserted.

9A is a schematic cross-sectional view of an embodiment of the present invention in which the flexible circuit board is inserted and the movable cover returns to its original position.

Fig. 9B is a perspective view of the embodiment of the present invention in which the flexible circuit board is inserted and the movable cover returns to its original position.

Detailed ways

As shown in Fig. 3 to Fig. 9, the improved structure of a flexible printed circuit board connector of the utility model includes:

A body seat 1 is provided with a plurality of positioning grooves 11 and 12 arranged at intervals for respectively embedding a plurality of second terminals 3 and first terminals 2, and the two side walls 13 of the body seat 1 can be used for pivoting A movable cover 4, and the front sides of both sides are provided with slots 15 for the inserting piece 101 of the fixed piece 10 to be inserted and positioned from bottom to top;

The two fixing pieces 10 respectively have an inserting piece 101 and a positioning portion 102, and there is a slot 103 between the inserting piece 101 and the positioning portion 102 (refer to FIG. 6B ), through which the inserting piece 101 and the slot 103 It can be inserted into the slot 15 of the body seat 1 from bottom to top, and its positioning part 102 is located on the front side of the front end surface 130 of the two side walls 13 of the body seat 1;

A plurality of first terminals 2 are embedded in each positioning groove 12 of the body base 1 through their support arms 21 and contact arms 22 respectively, and a contact protrusion 221 is provided on the inner side of the contact arm 22, and the contact arm 22 and There is a connecting arm 23 between the supporting arms 21;

Several second terminals 3 have fixed arms 30 on the front side and contact arms 31 on the rear side, which can be embedded in the positioning grooves 11 of the body seat 1, and contact protrusions 311 are provided on the inner side of the contact arms 31 ;

A movable cover 4 is pivotally arranged between the two side walls 13 of the main body seat 1, and its rear side is a connecting plate 41. When the movable cover 4 is pivoted outward, the flexible circuit board 5 can be inserted into the The main body seat 1, and when the movable cover 4 pivots back to its original position, its linkage plate 41 can link the flexible circuit board 5 and the contact protrusions 221, 221, 311 electrical contacts;

Its characteristics are:

The first terminal 2 (referring to FIG. 5A ) has a pivot groove 211 recessed on the inner side of the support arm 21, which can be hooked into the linkage blocks 4111 of the grooves 411 of the linkage plate 41 of the movable cover 4. And the top of its connecting arm 23 extends a fixed arm 24 vertically after extending horizontally to the outside for an appropriate length, and the fixed arm 24 also extends a positioning arm 25 horizontally, and the insert 251 extending upwards through the positioning arm 25 can be inserted. In the fixing groove 14 of the body seat 1 (refer to FIG. 7 ), the two sides of the bottom end of the insert 251 can abut against the adjacent walls 141 and 142 on both sides below the fixing groove 14;

The second terminal 3 (refer to FIG. 5B ) has a slot 310 between the contact arm 31 and the fixed arm 30, which can be inserted into the block 16 of the body seat 1, and the slot 310 is horizontal. The card slot can be inserted into the horizontal insert 16 of the body seat 1, and then the front side 301 of the fixed arm 30 of the second terminal 3 has the effect of being stable and not loose when touched from bottom to top;

This movable cover 4 (referring to Fig. 4) has the hollow space 40 of appropriate size under its front side, and its two sides front are symmetrically provided with lacking groove 42, makes the rear of both sides form a protruding piece 43, and this protruding piece 43 has guide slopes 431, 432, and there is a downwardly protruding deflection arc block 430 under its rear side, and the linkage plate 41 on the rear side of the movable cover 4 is provided with several grooves 411, and each groove Between 411 and link with the elongated link block 4111 that has proper size and has arc surface up and down;

The main body seat 1 (refer to FIG. 7 ) is further provided with a fixing groove 14 communicating with the positioning channel 12 on its rear side, and an insert located in its positioning channel 11 is provided on its front side. 16, and the two sides of the body seat 1 near the middle are symmetrically provided with recesses 17, the bottom surface of each recess 17 is recessed downward into a concave arc portion 171, and the rear side of each concave arc portion 171 forms an inclined surface 172, And the front side forms a vertical surface 173;

Through the foregoing description, the movable cover 4 can be inserted into the body base 1 (refer to FIG. 6A and FIG. 7 ), so that the linkage blocks 4111 in the grooves 411 of the linkage plate 41 are located at the first terminals of the body base 1 2, and the protruding blocks 43 on both sides of the movable cover 4 are just located in the recesses 17 on both sides of the body seat 1, and the lower part of the protruding block 43 is deflected by the arc block 430 Also located at the recessed arc 171 below the recess 17 of the body seat 1; so when the flexible circuit board 5 is to be inserted, the movable cover 4 can be pivoted outwards through the deflection arcs 430 of the protruding blocks 43 on both sides thereof, and is always The end faces 433 of the two protruding blocks 43 abut against the inclined surfaces 172 of the recesses 17 on both sides of the body seat 1, so that the short sides on both sides of each elongated interlocking block 4111 of the movable cover are located in the horizontal direction relatively, so that each The interlocking block 4111 and the contact protrusions 221, 311 of the first and second terminals 2, 3 have a relatively large gap for the insertion of the flexible circuit board 5 (refer to Fig. 8A, Fig. 8B ), and then the The movable cover 4 pivots in reverse so that the long sides of the linkage blocks 4111 stretch the support arm 21 of the first terminal 2 and move upward the contact protrusion 221 of the contact arm 22 to make electrical contact with the flexible circuit board 5 , and when the movable cover 4 returns to its original position, the contact protrusion card 311 of the flexible circuit board 5 and the contact arm 31 of the second terminal 3 is electrically contacted by its respective linkage blocks 4111 (refer to Fig. 9A, Fig. 9B ).

Furthermore, the front side of the gap 42 in front of both sides of the movable cover 4 is adjacent to a front protruding block 44, and the front protruding block 44 has a lower guiding slope 441 and an upper positioning recess 442 located above, And above the positioning portion 102 of the fixed piece 10 embedded in the two sides of the aforementioned body seat 1, an arc bending piece 1021 is formed, through which the arc bending piece 1021 can have better elasticity and strength, and then when moving When the cover 4 pivots outwards and opens, the inner side 1022 of the arc bending piece 1021 of the fixed piece 16 can be pushed away by the rear side part 4421 of the upper positioning concave part 442 above the two sides of the front protrusion 44 on both sides of the cover 4 to smoothly move to the side. On the contrary, when the movable cover 4 is pivoted and closed inwardly, it can pass through the circular arc of the fixed piece 10 under the guidance of the lower guide slopes 441 on both sides of the front protruding block 44 on both sides of the movable cover 4 Bending sheet 1021, and just make the rear side portion 4421 of the upper positioning recess 442 on both sides of the movable cover 4 can be buckled by the inner side 1022 of the arc bending sheet 1021, and further achieve the positioning effect of the movable cover 4, There will be no looseness.

Claims (2)

1, a kind of improvement structure of Soft Circuit Board Union is to include:

One noumenal seat, system is spaced the some location conduit that is provided with for being embedded some second terminals and the first terminal respectively respectively, the two side of this noumenal seat is then for the removable cover that is pivoted in addition, and tool can be for the intercalation sheet of the stator slot of intercalation location from lower to upper in addition in the front side of both sides;

Two stators are to have intercalation sheet and location division respectively, then have a short slot between intercalation sheet and location division, by its intercalation sheet and short slot from lower to upper intercalation go into the slot of noumenal seat, and its position point is in the front side of the front end face of the two side of noumenal seat;

Some the first terminals are respectively to locate conduit by what its support arm and contact arm were embedded in noumenal seat respectively, and the inside front of its contact arm then has contact tappet, then has linking arm between contact arm and the support arm;

Some second terminals, cording have for the fixed arm of the front side of respectively locating conduit that is embedded at noumenal seat and the contact arm of rear side, and the inside front of its contact arm then has contact tappet;

One removable cover is to be hubbed between the two side of noumenal seat, and its rear side then is an interlock plate;

It is characterized in that:

This first terminal, side-lower is to be arranged with a pivot groove that can hook for the linked block of each groove of the interlock plate of removable cover in its support arm, and the top of its linking arm is vertical extent one fixed arm behind the horizontal-extending suitable length laterally, this fixed arm and to horizontal-extending one registration arm, be inserted in the holddown groove of noumenal seat by the upwardly extending dummy slider embedding of this registration arm, the wall of these both sides, dummy slider bottom and both sides, holddown groove below adjacency against;

This second terminal has a horizontal direction draw-in groove between its contact arm and the fixed arm, the set horizontal direction abaculus of noumenal seat suitable position is embedded in wherein;

This removable cover, its below, front side hollow space of a size suitable, and its place ahead, both sides is arranged with short slot, the rear of both sides forms one and protrudes piece, this protrusion piece has guiding incline, and side-lower then has the deflection arc piece of downward protrusion thereafter, and the interlock plate of the rear side of this removable cover is to be provided with some grooves, and also links the microscler linked block that has suitable size and have cambered surface up and down between each groove;

This noumenal seat, tie up to its rear side and be provided with and locate the holddown groove that is communicated with below the conduit in addition, its below, front side then is provided with the abaculus that is positioned at its location conduit in addition, and these noumenal seat both sides are to be arranged with recess near the middle part, the bottom surface of each recess also is recessed into a concave-arc part downwards, and the rear side of each concave-arc part forms an inclined plane, and the front side forms a vertical plane;

This removable cover is inserted in this noumenal seat, and each linked block in each groove of this interlock plate is positioned at the pivot groove of the support arm of the set the first terminal of aforementioned noumenal seat; And the recess that piece just is positioned at the noumenal seat both sides is protruded in the both sides of this removable cover, and the below deflection arc piece of this protrusion piece also is positioned at the concave-arc part of the recess below of noumenal seat.

2, the improvement structure of Soft Circuit Board Union according to claim 1, the anterolateral system that it is characterized in that the short slot in this place ahead, removable cover both sides protrudes piece before one, and should precedingly protrude piece is to have following guide ramp and the last location indentations of being located at the top, and the top of the location division of the stator that aforesaid noumenal seat both sides are embedded system formation arc bend tabs.

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