FPC flexible circuit board convenient to assemble

Abstract

The utility model discloses a flexible printed circuit (FPC) convenient to assemble, which comprises a fixed box, threaded sleeves are respectively and rotatably arranged at the upper end and the lower end in the fixed box, threaded rods are inserted in the threaded sleeves in a threaded manner, a cross rod is rotatably arranged in the middle position in the fixed box, and the end part of the cross rod penetrates through the fixed box and extends outwards to be fixedly connected with a Z-shaped handle. The transverse rod is fixedly sleeved with a first gear, the two threaded sleeves are fixedly sleeved with second gears respectively, the first gear is meshed with the second gears, an inserting plate is fixedly arranged on one side of the fixing box, an inserting groove is transversely formed in the inserting plate in a penetrating mode, a vertical rod is arranged on one side in the inserting groove, and the threaded rod penetrates through the fixing box and extends outwards. According to the utility model, the problem that in the production and assembly process of the connector and the FPC, the FPC may be broken and damaged due to the fact that the front and back force application directions are inconsistent during manual assembly is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible circuit boards, in particular to an FPC flexible circuit board which is easy to assemble. Background Art

[0002] Flexible circuit board is a kind of printed circuit board with high reliability and excellent flexibility made of polyimide or polyester film as the base material. It is called soft board or FPC for short. It has the characteristics of high wiring density, light weight and thin thickness. It is mainly used in many products such as mobile phones, laptops, PDAs, digital cameras, LCMs, etc.

[0003] During the production and assembly process of connectors and FPCs, manual assembly may cause the FPC to break and be damaged due to inconsistent force application directions. Therefore, the utility model proposes an FPC flexible circuit board that is easy to assemble to solve the above problem. Utility Model Content

[0004] In view of the defects of the above-mentioned prior art, the purpose of the utility model is to provide an FPC flexible circuit board that is easy to assemble.

[0005] To achieve the above-mentioned purpose, the utility model provides an FPC flexible circuit board that is easy to assemble, including a fixed box, wherein the upper and lower ends of the fixed box are respectively rotatably provided with threaded sleeves, a threaded rod is threadedly inserted in the threaded sleeve, a cross bar is rotatably provided at the middle position in the fixed box, the end of the cross bar passes through the fixed box and extends outwardly and is fixedly connected to a Z-shaped handle, a first gear is fixedly sleeved on the cross bar, and second gears are respectively fixedly sleeved on the two threaded sleeves, the first gear is meshed with the second gear, an insertion plate is fixedly provided on one side of the fixed box, a slot is horizontally opened in the insertion plate, a vertical rod is provided on one side of the slot, the threaded rod passes through the fixed box and extends outward, the threaded rod is rotatably connected to the vertical rod through a fourth rotating shaft, and a circuit board is inserted in the other side of the slot.

[0006] Furthermore, the end of the threaded sleeve is rotatably connected to a first rotating shaft, and a side of the first rotating shaft away from the threaded sleeve is fixedly arranged on the inner wall of the fixed box.

[0007] Furthermore, one end of the cross bar away from the Z-shaped handle is rotatably connected to a second rotating shaft, and a side of the second rotating shaft away from the cross bar is fixedly arranged on the inner wall of the fixed box.

[0008] Furthermore, a first sleeve is fixedly provided through one side of the fixed box close to the Z-shaped handle, and the first sleeve is rotatably sleeved on the cross bar.

[0009] Furthermore, a second sleeve is fixedly provided through a side of the fixed box away from the Z-shaped handle, and the second sleeve is rotatably sleeved on the threaded rod.

[0010] Furthermore, L-shaped rods are fixedly provided at the upper and lower ends of the front and rear sides of the plug board respectively, and the L-shaped rods are arranged parallel to the fixing box. One end of the L-shaped rod away from the plug board is fixedly connected to the ring through a support block, and a connector is sleeved between the two rings.

[0011] Furthermore, the outer wall of the ferrule is provided with a plurality of positioning mechanisms, the positioning mechanisms comprising a positioning screw, the positioning screw is threadably matched with the ferrule, the inner end of the positioning screw is rotatably connected to a positioning block via a rotating shaft, and a rubber block is fixedly provided on the inner side of the positioning block.

[0012] Furthermore, a telescopic column is fixedly provided on the inner wall of the threaded sleeve, the telescopic end of the telescopic column is rotatably connected to the threaded rod via a third rotating shaft, and the telescopic length of the telescopic column is smaller than the depth inside the threaded sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Through the threaded sleeve, the first gear, the second gear, the slot, the ring and the positioning screw and other structures, the circuit board is inserted into the slot, the L-shaped rod is fixedly connected to the ring through the support block, and the connector set between the two rings is fixed to the ring by tightening the positioning screw under the action of the rubber block. The Z-shaped handle is rotated by hand, and the Z-shaped handle drives the first gear to rotate, and the first gear drives the second gear to rotate, thereby driving the threaded rod to move, and the threaded rod drives the vertical rod to move to the right, and the vertical rod drives the circuit board to move so that it is assembled with the connector. During the whole process, the force direction of the circuit board is consistent, which solves the problem that the FPC may be broken and damaged due to inconsistent force direction during manual assembly of the connector and FPC;

[0015] 2. By providing structures such as the telescopic column and the third rotating shaft, the telescopic length of the telescopic column is smaller than the depth in the threaded sleeve, and under the action of the telescopic column, the threaded rod is prevented from being separated from the threaded sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments of the utility model. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is the front view provided by the utility model;

[0018] Figure 2 It is a cross-sectional view provided by the utility model;

[0019] Figure 3 It is a cross-sectional view of the threaded sleeve provided by the utility model;

[0020] Figure 4 It is a schematic diagram of the positioning mechanism structure provided by the utility model;

[0021] Description of reference numerals:

[0022] 1. Fixed box; 2. Z-shaped handle; 3. Crossbar; 4. First sleeve; 5. First rotating shaft; 6. Second gear; 7. Threaded sleeve; 8. Second rotating shaft; 9. Second sleeve; 10. Fourth rotating shaft; 11. Threaded rod; 12. Insert plate; 13. Vertical rod; 14. Circuit board; 15. Slot; 16. L-shaped rod; 17. Support block; 18. Ring; 19. Connector; 20. Positioning mechanism; 201. Positioning screw; 202. Rotating shaft; 203. Positioning block; 204. Rubber block; 21. Telescopic column; 22. First gear; 23. Third rotating shaft. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0024] The terms "including" and "having" and any variations thereof in the specification and claims of the present utility model and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present utility model or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order.

[0025] See also Figure 1-4, an FPC flexible circuit board that is easy to assemble, including a fixed box 1, wherein the upper and lower ends of the fixed box 1 are respectively rotatably provided with threaded sleeves 7, a threaded rod 11 is inserted into the threaded sleeve 7, a cross bar 3 is rotatably provided at the middle position of the fixed box 1, the end of the cross bar 3 penetrates the fixed box 1 and extends outwardly and is fixedly connected with a Z-shaped handle 2, a first gear 22 is fixedly sleeved on the cross bar 3, and two threaded sleeves 7 are respectively fixedly sleeved with second gears 6, the first gear 22 is meshed with the second gear 6, a plug plate 12 is fixedly provided on one side of the fixed box 1, a slot 15 is horizontally opened in the plug plate 12, a vertical rod 13 is provided on one side of the slot 15, the threaded rod 11 penetrates the fixed box 1 and extends outward, and the threaded rod 11 passes through The fourth rotating shaft 10 is rotatably connected with the vertical rod 13, and a circuit board 14 is inserted into the other side of the slot 15. L-shaped rods 16 are fixedly arranged at the upper and lower ends of the front and rear sides of the plug board 12, respectively. The L-shaped rod 16 is arranged parallel to the fixed box 1, and the end of the L-shaped rod 16 away from the plug board 12 is fixedly connected with the ring 18 through a support block 17. A connector 19 is sleeved between the two rings 18. A plurality of positioning mechanisms 20 are arranged on the outer wall of the ring 18. The positioning mechanism 20 includes a positioning screw 201, and the positioning screw 201 is threadedly matched with the ring 18. The inner end of the positioning screw 201 is rotatably connected with a positioning block 203 through a rotating shaft 202. A rubber block 204 is fixedly arranged on the inner side of the positioning block 203. The end of the threaded sleeve 7 is rotatably connected A first rotating shaft 5 is provided, and a side of the first rotating shaft 5 away from the threaded sleeve 7 is fixedly arranged on the inner wall of the fixed box 1. An end of the cross bar 3 away from the Z-shaped handle 2 is rotatably connected with a second rotating shaft 8. A side of the second rotating shaft 8 away from the cross bar 3 is fixedly arranged on the inner wall of the fixed box 1. A first sleeve 4 is fixedly arranged on a side of the fixed box 1 close to the Z-shaped handle 2. The first sleeve 4 is rotatably sleeved on the cross bar 3. A second sleeve 9 is fixedly arranged on a side of the fixed box 1 away from the Z-shaped handle 2. The second sleeve 9 is rotatably sleeved on the threaded rod 11. Through the threaded sleeve 7, the first gear 22, the second gear 6, the slot 15, the ring 18 and the positioning screw 201, the circuit board 14 is inserted into the slot 15, and the L-shaped rod 16 is fixedly connected with the ferrule 18 through the support block 17, and the connector 19 is sleeved between the two ferrules 18. Under the action of the rubber block 204, the connector 19 is fixed with the ferrule 18 by tightening the positioning screw 201. The Z-shaped handle 2 is rotated by hand, and the Z-shaped handle 2 drives the first gear 22 to rotate, and the first gear 22 drives the second gear 6 to rotate, thereby driving the threaded rod 11 to move, and the threaded rod 11 drives the vertical rod 13 to move to the right, and the vertical rod 13 drives the circuit board 14 to move so that it is assembled with the connector 19. During the whole process, the force direction applied to the circuit board 14 is consistent, which solves the problem that the FPC may be broken and damaged due to inconsistent force direction during manual assembly of the connector and FPC;

[0026] As an improvement of the above technical solution, a telescopic column 21 is fixedly arranged on the inner wall of the threaded sleeve 7, and the telescopic end of the telescopic column 21 is rotatably connected to the threaded rod 11 through a third rotating shaft 23. The telescopic length of the telescopic column 21 is smaller than the depth inside the threaded sleeve 7. Through the structures such as the telescopic column 21 and the third rotating shaft 23, the telescopic length of the telescopic column 21 is smaller than the depth inside the threaded sleeve 7. Under the action of the telescopic column 21, the threaded rod 11 is prevented from escaping from the threaded sleeve 7.

[0027] Working principle and usage of the utility model:

[0028] When in use, the circuit board 14 is inserted into the slot 15, the L-shaped rod 16 is fixedly connected to the ring 18 through the support block 17, and the connector 19 is sleeved between the two rings 18. Under the action of the rubber block 204, the connector 19 is fixed to the ring 18 by tightening the positioning screw 201. The Z-shaped handle 2 is rotated by hand, and the Z-shaped handle 2 drives the first gear 22 to rotate, and the first gear 22 drives the second gear 6 to rotate, thereby driving the threaded rod 11 to move, and the threaded rod 11 drives the vertical rod 13 to move to the right, and the vertical rod 13 drives the circuit board 14 to move so that it is assembled with the connector 19. During the whole process, the direction of force applied to the circuit board 14 is consistent, and the telescopic length of the telescopic column 21 is less than the depth in the threaded sleeve 7. Under the action of the telescopic column 21, the threaded rod 11 is prevented from detaching from the threaded sleeve 7.

[0029] The above description is only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the utility model, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the utility model.

Claims

1. An FPC flexible circuit board that is easy to assemble, characterized in that: It includes a fixed box, wherein the upper and lower ends of the fixed box are respectively rotatably provided with threaded sleeves, a threaded rod is threadedly inserted in the threaded sleeve, a cross bar is rotatably provided in the middle position of the fixed box, the end of the cross bar passes through the fixed box and extends outwardly to be fixedly connected with a Z-shaped handle, a first gear is fixedly sleeved on the cross bar, and second gears are fixedly sleeved on the two threaded sleeves, the first gear is meshed with the second gear, an insertion plate is fixedly provided on one side of the fixed box, a slot is horizontally opened in the insertion plate, a vertical rod is provided on one side of the slot, the threaded rod passes through the fixed box and extends outward, the threaded rod is rotatably connected to the vertical rod through a fourth rotating shaft, and a circuit board is inserted in the other side of the slot.

2. The FPC flexible circuit board that is easy to assemble according to claim 1 is characterized in that: The end of the threaded sleeve is rotatably connected to a first rotating shaft, and a side of the first rotating shaft away from the threaded sleeve is fixedly arranged on the inner wall of the fixing box.

3. The FPC flexible circuit board that is easy to assemble according to claim 2 is characterized in that: One end of the cross bar away from the Z-shaped handle is rotatably connected to a second rotating shaft, and a side of the second rotating shaft away from the cross bar is fixedly arranged on the inner wall of the fixed box.

4. The FPC flexible circuit board that is easy to assemble according to claim 3 is characterized in that: A first sleeve is fixedly provided through one side of the fixed box close to the Z-shaped handle, and the first sleeve is rotatably sleeved on the cross bar.

5. The FPC flexible circuit board that is easy to assemble according to claim 4 is characterized in that: A second sleeve is fixedly provided through one side of the fixed box away from the Z-shaped handle, and the second sleeve is rotatably sleeved on the threaded rod.

6. The FPC flexible circuit board that is easy to assemble according to claim 5 is characterized in that: L-shaped rods are fixedly arranged at the upper and lower ends of the front and rear sides of the plug board respectively. The L-shaped rods are arranged parallel to the fixing box. One end of the L-shaped rod away from the plug board is fixedly connected to the ring through a support block, and a connector is sleeved between the two rings.

7. The FPC flexible circuit board that is easy to assemble according to claim 6 is characterized in that: The outer wall of the ferrule is provided with a plurality of positioning mechanisms, the positioning mechanisms comprising a positioning screw, the positioning screw is threadably matched with the ferrule, the inner end of the positioning screw is rotatably connected with a positioning block via a rotating shaft, and a rubber block is fixedly provided on the inner side of the positioning block.

8. The FPC flexible circuit board that is easy to assemble according to claim 7 is characterized in that: A telescopic column is fixedly arranged on the inner wall of the threaded sleeve, and the telescopic end of the telescopic column is rotatably connected to the threaded rod via a third rotating shaft, and the telescopic length of the telescopic column is smaller than the depth in the threaded sleeve.

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