Self-locking fastening type FPC flexible circuit board

Abstract

The utility model relates to the field of circuit boards, and discloses a self-locking fastening type FPC flexible circuit board, which comprises a connector and an FPC flexible circuit board, the top of the connector is provided with a first groove, the FPC flexible circuit board is placed in the first groove, the connector is internally provided with a self-locking mechanism and a fastening mechanism, the self-locking mechanism comprises a second groove, the fastening mechanism is arranged in the second groove, and the self-locking mechanism is connected with the second groove. And the second groove is formed in the connector, and a sliding block is slidably connected into the inner wall of the second groove. According to the utility model, after the FPC flexible circuit board is inserted into the first groove of the through groove structure from the side edge, the FPC flexible circuit board is inserted into the tooth seam of the gear in a normal state by virtue of the limiting sliding plate, and the rotating wheel props against the limiting sliding plate to limit the displacement of the limiting sliding plate, so that the gear cannot rotate, and the whole connecting structure is firmly locked; external force influences such as vibration and impact generated in the operation process of equipment can be effectively resisted, displacement or looseness of the FPC flexible circuit board is prevented, and it is ensured that electrical connection is always stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of circuit board especially relates to a self-locking fastening type FPC soft circuit board. BACKGROUND

[0002] The self-locking fastening type FPC soft circuit board as the key component for realizing electrical connection in electronic equipment plays an important role in modern electronic technology field. It connects FPC soft circuit board and connector through unique structure design, ensures the stability of signal transmission and is widely used in various equipment with high reliability requirement for circuit connection.

[0003] The use mode of the self-locking fastening type FPC soft circuit board mainly inserts FPC soft circuit board into the corresponding slot of connector and realizes connection by simple plug-in structure.

[0004] However, when the electronic equipment is subjected to vibration and impact, FPC soft circuit board is easy to be pulled out or loosened from the connector, which causes the interruption of electrical connection and affects the normal operation of the equipment. Therefore, the self-locking fastening type FPC soft circuit board is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a self-locking fastening type FPC soft circuit board, which aims at solving the problem that FPC soft circuit board is easy to be pulled out or loosened from the connector when subjected to vibration and impact in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a self-locking fastening type FPC soft circuit board, comprising a connector and a FPC soft circuit board, a first slot is formed in the top of the connector, the FPC soft circuit board is placed in the inside of the first slot, a self-locking mechanism and a fastening mechanism are arranged in the inside of the connector, the self-locking mechanism comprises a second slot, the second slot is formed in the inside of the connector, a sliding block is slidably connected to the inner wall of the second slot, a compression spring is fixedly connected to the outer wall of the sliding block, one end of the compression spring away from the sliding block is fixedly connected to the inner wall of the second slot, and an inclined plate is fixedly connected to the outer wall of the sliding block.

[0007] As a further description of the above technical scheme: the bottom of the inclined plate is in contact with the top surface of the FPC soft circuit board, a soft pad is fixedly connected in the inside of the first slot, and the outer wall of the soft pad is in contact with the outer wall of the FPC soft circuit board.

[0008] As a further description of the above technical scheme: a limiting block is fixedly connected to the outer wall of the sliding block, and the outer wall of the limiting block is slidably connected with the inner wall of the second slot.

[0009] As a further description of the above technical solution: the fastening mechanism comprises a connecting plate, the bottom of the connecting plate is fixedly connected to the top of the sliding block, a connecting rod is fixedly connected to the outer wall of the connecting plate, and the end of the connecting rod away from the connecting plate is fixedly connected with a sliding gear plate.

[0010] As a further description of the above technical solution: the top of the connector is provided with a third slot, a limiting shaft is rotatably connected to the inner wall of the third slot, a gear is fixedly connected to the outer wall of the limiting shaft, and the bottom of the sliding gear plate is meshingly connected with the outer wall of the gear.

[0011] As a further description of the above technical solution: the inner wall of the third slot is slidably connected with a limiting slide.

[0012] As a further description of the above technical solution: one end of the limiting slide plate is inserted into the gear gap of the gear.

[0013] As a further description of the above technical solution: the top of the connector is provided with a fifth slot, a rotating wheel is rotatably connected to the bottom inner wall of the fifth slot, and the fifth slot is in communication with the fourth slot.

[0014] As a further description of the above technical solution: the outer wall of the rotating wheel is in contact with the outer wall of the limiting slide plate.

[0015] As a further description of the above technical solution: the top of the rotating wheel is fixedly connected with a handle.

[0016] The utility model has the advantages of the following beneficial effects:

[0017] 1. In the utility model, when the FPC flexible circuit board is inserted into the first slot of the slot structure from the side, the limiting slide plate is normally inserted into the gear gap, the rotating wheel abuts against the limiting slide plate to limit the displacement of the limiting slide plate, the gear cannot rotate, the entire connecting structure is firmly locked, the influence of external forces such as vibration and impact generated during equipment operation can be effectively resisted, displacement or looseness of the FPC flexible circuit board is prevented, and electrical connection is always stable and reliable.

[0018] 2. In the utility model, the inclined plate and the soft pad in the first slot are in flexible contact with the FPC flexible circuit board, which avoids damage such as scratching and extrusion of the circuit board during installation, use and disassembly, and prolongs the service life of the circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A front view of a self-locking and fastening type FPC flexible circuit board is provided for the utility model;

[0020] Figure 2 A side view of a self-locking and fastening type FPC flexible circuit board is provided for the utility model;

[0021] Figure 3 A self-locking fastening type FPC soft circuit board limiting block position schematic view is provided for the utility model;

[0022] Figure 4 A self-locking fastening type FPC soft circuit board third slot section view is provided for the utility model.

[0023] Legend:

[0024] 1, connector; 2, FPC soft circuit board; 3, first slot; 4, self-locking mechanism; 401, second slot; 402, compression spring; 403, sliding block; 404, limiting block; 405, inclined plate; 406, soft pad; 5, fastening mechanism; 501, connecting plate; 502, connecting rod; 503, sliding tooth plate; 504, third slot; 505, limiting shaft; 506, gear; 507, limiting sliding plate; 508, rotating wheel; 509, rotating handle; 510, fifth slot. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Reference Figure 1 - Figure 3The utility model provides an embodiment: a self locking fastening type FPC soft circuit board, including connector 1 and FPC soft circuit board 2, the top of connector 1 is equipped with first slot 3, and first slot 3 is used for placing FPC soft circuit board 2, and FPC soft circuit board 2 is placed in the inside of first slot 3, and the inside of connector 1 is provided with self locking mechanism 4 and fastening mechanism 5, and self locking mechanism 4 includes second slot 401, and second slot 401 is equipped in the inside of connector 1, and the inner wall of second slot 401 is slidably connected with sliding block 403, and sliding block 403 slides in the inside of second slot 401, and the outer wall of sliding block 403 is fixedly connected with compression spring 402, and the end, away from sliding block 403, of compression spring 402 is fixedly connected in the inner wall of second slot 401, and the displacement of sliding block 403 will make compression spring 402 further compress, and the outer wall of sliding block 403 is fixedly connected with inclined plate 405, and after placing FPC soft circuit board 2, inclined plate 405 will be extruded, and the displacement of inclined plate 405 is driven by extrusion force, and after FPC soft circuit board 2 is displaced to the below of inclined plate 405, inclined plate 405 loses the force of extrusion, and under the release of the energy storage of compression spring 402, sliding block 403 is reversely displaced, and then makes inclined plate 405 reset, and FPC soft circuit board 2 is locked and positioned.

[0027] Referring to Figure 2 - Figure 4 The bottom of inclined plate 405 is in contact with the top surface of FPC soft circuit board 2, the inside of first slot 3 is fixedly connected with soft pad 406, soft pad 406 achieves flexible contact, avoids damaging FPC soft circuit board 2, the outer wall of soft pad 406 is in contact with the outer wall of FPC soft circuit board 2, the outer wall of sliding block 403 is fixedly connected with limiting block 404, limiting block 404 achieves limiting effect, and the outer wall of limiting block 404 is slidably connected with the inner wall of second slot 401.

[0028] Referring to Figure 1 - Figure 3 Fastening mechanism 5 includes connecting plate 501, the bottom of connecting plate 501 is fixedly connected at the top of sliding block 403, the displacement of sliding block 403 drives connecting plate 501 to displace, the outer wall of connecting plate 501 is fixedly connected with connecting rod 502, the displacement of connecting plate 501 drives connecting rod 502 to displace, the end, away from connecting plate 501, of connecting rod 502 is fixedly connected with sliding toothed plate 503, the displacement of connecting rod 502 drives sliding toothed plate 503 to displace and slide, the top of connector 1 is equipped with third slot 504, limiting shaft 505 is rotatably connected in the inner wall of third slot 504, limiting shaft 505 can stably rotate in the inside of third slot 504, the outer wall of limiting shaft 505 is fixedly connected with gear 506, the displacement of sliding toothed plate 503 drives gear 506 to rotate, and the bottom of sliding toothed plate 503 is meshingly connected with the outer wall of gear 506.

[0029] With reference to Figure 2 Figure 4 The inner wall of the third slot 504 is slidingly connected with a limiting sliding plate 507, one end of the limiting sliding plate 507 is inserted into the tooth gap of the gear 506, the limiting sliding plate 507 is clamped with the gear 506, in the inserted state, the gear 506 cannot rotate, the top of the connector 1 is provided with a fifth slot 510, the bottom inner wall of the fifth slot 510 is rotatably connected with a rotating wheel 508, the rotating wheel 508 can normally abut against the limiting sliding plate 507, so that the limiting sliding plate 507 cannot be displaced, thereby the gear 506 can be stably limited, the fifth slot 510 is in communication with the fourth slot, the outer wall of the rotating wheel 508 is in contact with the outer wall of the limiting sliding plate 507, the top of the rotating wheel 508 is fixedly connected with a handle 509, the rotation of the handle 509 facilitates driving the rotating wheel 508 to rotate, after the rotating wheel 508 rotates, the other side no longer abuts against the limiting sliding plate 507, at this time, the gear 506 cannot be limited any more.

[0030] Working principle: when installing the FPC flexible circuit board 2, align it with one side of the connector 1, and insert it into the inside of the first slot 3 from the side, because the first slot 3 is a through slot structure, the FPC flexible circuit board 2 can be smoothly inserted from the side, when the FPC flexible circuit board 2 is completely inserted into the first slot 3, the preliminary positioning is completed.

[0031] After the FPC flexible circuit board 2 is inserted and positioned, the sliding block 403 drives the connecting plate 501 to displace, thereby making the connecting rod 502 and the sliding tooth plate 503 displace and slide, the sliding tooth plate 503 is engaged with the gear 506, driving the gear 506 to rotate around the limiting shaft 505, in the initial state, one end of the limiting sliding plate 507 is inserted into the tooth gap of the gear 506, and the rotating wheel 508 normally abuts against the limiting sliding plate 507, so that the limiting sliding plate 507 cannot be displaced, thereby stably limiting the gear 506, ensuring that the gear 506 cannot rotate, the whole fastening mechanism 5 is in a locked state, preventing the FPC flexible circuit board 2 after being inserted from being displaced.

[0032] When the equipment is normally running, if the FPC flexible circuit board 2 is subjected to an upward external force and tries to be lifted up, the inclined plate 405 will prevent it from being lifted up by virtue of its contact with the FPC flexible circuit board 2 and the action of the sliding block 403 and the compression spring 402, the compression spring 402 provides downward pressure for the inclined plate 405, so that the inclined plate 405 tightly abuts against the FPC flexible circuit board 2, ensuring the stability of the connection.

[0033] ​When the FPC flexible circuit board 2 needs to be disassembled, the handle 509 is rotated, the handle 509 drives the rotating wheel 508 to rotate, after the rotating wheel 508 rotates, the rotating wheel 508 abuts against one side of the limiting slide plate 507 and leaves the limiting slide plate 507, the limiting slide plate 507 is no longer limited by the rotating wheel 508 and can slide in the fourth groove, at this time, the gear 506 is no longer clamped by the limiting slide plate 507, the sliding gear plate 503 can freely slide, and then the sliding block 403 can move in the second groove 401, the sliding block 403 drives the inclined plate 405 to move away from the FPC flexible circuit board 2, the locking of the FPC flexible circuit board 2 is released, and the FPC flexible circuit board 2 can be smoothly pulled out from the side of the first groove 3.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A self-locking, fastening type FPC flexible circuit board, comprising a connector (1) and an FPC flexible circuit board (2), characterized in that: The connector (1) has a first groove (3) on its top, and the FPC flexible circuit board (2) is placed inside the first groove (3). The connector (1) is provided with a self-locking mechanism (4) and a fastening mechanism (5). The self-locking mechanism (4) includes a second groove (401) which is opened inside the connector (1). A slider (403) is slidably connected in the inner wall of the second groove (401). A compression spring (402) is fixedly connected to the outer wall of the slider (403). One end of the compression spring (402) away from the slider (403) is fixedly connected in the inner wall of the second groove (401). An inclined plate (405) is fixedly connected to the outer wall of the slider (403).

2. The self-locking and fastening type FPC flexible circuit board according to claim 1, characterized in that: The bottom of the inclined plate (405) is in contact with the top surface of the FPC flexible circuit board (2), and a soft pad (406) is fixedly connected inside the first groove (3). The outer wall of the soft pad (406) is in contact with the outer wall of the FPC flexible circuit board (2).

3. The self-locking and fastening type FPC flexible circuit board according to claim 1, characterized in that: A limiting block (404) is fixedly connected to the outer wall of the slider (403), and the outer wall of the limiting block (404) is slidably connected to the inner wall of the second groove (401).

4. The self-locking and fastening type FPC flexible circuit board according to claim 1, characterized in that: The fastening mechanism (5) includes a connecting plate (501), the bottom of which is fixedly connected to the top of the slider (403), a connecting rod (502) is fixedly connected to the outer wall of the connecting plate (501), and a sliding tooth plate (503) is fixedly connected to the end of the connecting rod (502) away from the connecting plate (501).

5. A self-locking, fastening type FPC flexible circuit board according to claim 4, characterized in that: The connector (1) has a third groove (504) at its top. A limiting shaft (505) is rotatably connected to the inner wall of the third groove (504). A gear (506) is fixedly connected to the outer wall of the limiting shaft (505). The bottom of the sliding plate (503) meshes with the outer wall of the gear (506).

6. A self-locking, fastening type FPC flexible circuit board according to claim 5, characterized in that: The inner wall of the third groove (504) is slidably connected to a limiting slide plate (507).

7. A self-locking, fastening type FPC flexible circuit board according to claim 6, characterized in that: One end of the limiting slide plate (507) is inserted into the tooth gap of the gear (506).

8. A self-locking, fastening type FPC flexible circuit board according to claim 1, characterized in that: The connector (1) has a fifth groove (510) at the top, and a rotating wheel (508) is rotatably connected to the bottom inner wall of the fifth groove (510). The fifth groove (510) is connected to the fourth groove.

9. A self-locking, fastening type FPC flexible circuit board according to claim 8, characterized in that: The outer wall of the rotating wheel (508) is in contact with the outer wall of the limiting slide plate (507).

10. A self-locking, fastening type FPC flexible circuit board according to claim 8, characterized in that: A handle (509) is fixedly connected to the top of the wheel (508).

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