Flexible circuit board carrier

Abstract

The utility model discloses a flexible circuit board carrier which comprises a bearing frame, a cantilever mechanism is installed on the bearing frame, the cantilever mechanism comprises a damping rotating shaft, the damping rotating shaft is rotatably installed in a through hole formed in the inner wall of the bottom of the bearing frame, one end of the damping rotating shaft is fixedly connected with an adjusting worm, and the adjusting worm is in meshed connection with linkage worm gears on the two sides at the same time. Each linkage worm gear is fixedly arranged on the connecting shaft on the corresponding side in a sleeving mode, the two connecting shafts are rotationally installed between the inner walls of the two sides of the bearing frame, the outer wall of each connecting shaft is fixedly connected with one end of a cantilever rod, the other end of each cantilever rod is integrally provided with an installation shaft, each installation shaft is rotationally connected with a clamping mechanism, and the clamping mechanisms are arranged on the clamping mechanisms. The flexible circuit boards with different sizes, shapes and specifications can be borne through the cantilever mechanism, and the flexible circuit boards can be leveled or have certain tensioning allowance according to needs, so that the limitation in the using process is reduced.

Description

Technical Field

[0001] The utility model relates to the field of flexible printed circuit boards, and more specifically, to a carrier for flexible printed circuit boards. Background Art

[0002] A flexible printed circuit board, also known as a "flexible board", is a printed circuit made of a flexible insulating substrate. Flexible circuits provide excellent electrical performance, can meet the design requirements of smaller and higher density installations, and also help to reduce the assembly process and enhance reliability. Flexible printed circuit boards are a reliable solution to meet the miniaturization and mobility requirements of electronic products. Flexible printed circuit boards can be freely bent, wound, and folded, can withstand millions of dynamic bends without damaging the wires, can be arranged arbitrarily according to the spatial layout requirements, and can move and stretch arbitrarily in three-dimensional space, so as to achieve the integration of component assembly and wire connection. In addition, flexible printed circuit boards can greatly reduce the volume and weight of electronic products, and are suitable for the development needs of electronic products towards high density, miniaturization, and high reliability. During the production and processing of flexible printed circuit boards, due to the softness and low mechanical strength of the flexible printed circuit boards themselves, it is difficult to fix their positions. Usually, the flexible printed circuit boards are fixed on the carriers for flexible printed circuit boards to achieve precise positioning and transfer of the flexible printed circuit boards during the production process. Currently, high-temperature adhesive tapes or silica gels are usually used to fix the flexible printed circuit boards on the carriers for flexible printed circuit boards. However, the use of high-temperature adhesive tapes or silica gels has high costs, low reusability, inconvenient use, and is prone to damage the flexible printed circuit boards. For this reason, the application number: CN201520876421.0 provides a carrier for flexible printed circuit boards. The carrier for flexible printed circuit boards includes a magnetic carrier plate and a steel sheet. The steel sheet is attached to the magnetic carrier plate. The magnetic carrier plate includes a plate placement groove, a limiting groove, and a carrier plate positioning hole. Both the plate placement groove and the limiting groove are recessed from the surface of the magnetic carrier plate towards its bottom surface. The carrier plate positioning hole penetrates the magnetic carrier plate. The carrier plate positioning hole and the limiting groove are annularly arranged around the plate placement groove. The steel sheet includes an avoidance area, a steel sheet positioning hole, and a limiting block. The avoidance area is arranged opposite to the plate placement groove. The steel sheet positioning hole penetrates the steel sheet and is arranged opposite to the carrier plate positioning hole. The limiting block is clamped in the limiting groove. Compared with the related technology, the carrier for flexible printed circuit boards of this utility model improves the positioning reliability, and at the same time has the characteristics of high temperature resistance and reusability, thus reducing the production cost.

[0003] However, the above solution still has certain defects. The inventor has found through research that the plate placement groove for placing the flexible printed circuit board in the above solution is a recess with a fixed structure and cannot be adjusted flexibly, resulting in the inability to adapt to flexible printed circuit boards of various sizes, shapes, and specifications. The poor adaptability causes certain limitations in use.

[0004] How to invent a carrier for flexible printed circuit boards to improve these problems has become an urgent problem for those skilled in the art to solve. Summary of the Utility Model

[0005] To make up for the above deficiencies, the present utility model provides a flexible circuit board carrier, aiming to improve the problem that the plate placement groove for placing the flexible circuit board in the prior art is a fixed-structured depression, which cannot be flexibly adjusted, resulting in the inability to adapt to flexible circuit boards of various sizes, shapes and specifications, and the poor adaptability causes certain limitations in use.

[0006] The present utility model is implemented as follows: A flexible circuit board carrier includes a carrier frame, and a cantilever mechanism is installed on the carrier frame. The cantilever mechanism includes a damping rotating shaft, and the damping rotating shaft is rotatably installed in a through hole opened in the inner wall of the bottom of the carrier frame. One end of the damping rotating shaft is fixedly connected with an adjusting worm, and the adjusting worm is meshed and connected with two side linkage worm wheels at the same time. Each linkage worm wheel is fixedly sleeved on a connecting shaft on the corresponding side. The two connecting shafts are rotatably installed between the inner walls on both sides of the carrier frame. One end of each cantilever rod is fixedly connected to the outer wall of each connecting shaft, and an installation shaft is integrally provided at the other end of each cantilever rod. A clamping mechanism is rotatably connected to each installation shaft.

[0007] In a preferred technical solution of the present utility model, each clamping mechanism includes a mounting frame, and the mounting frame is rotatably installed on the corresponding installation shaft. A chute is opened on one side surface of the mounting frame, and a mounting plate is integrally provided on one inner wall of the chute. Two sliders are slidably connected in the chute on both sides of the mounting plate. One end of each slider is fixedly connected with a clamping plate. A connection hole is opened in the middle of the mounting plate, and a bidirectional threaded rod is rotatably installed in the connection hole. A threaded hole is opened on one side surface of each slider, and the two sliders are respectively threadedly connected to both ends of the bidirectional threaded rod through the threaded holes. One end of the bidirectional threaded rod extends to the outside of the chute through a through hole and is fixedly connected with an adjusting knob.

[0008] In a preferred technical solution of the present utility model, protective rubber pads are provided on the opposite side surfaces of the two clamping plates.

[0009] In a preferred technical solution of the present utility model, a plurality of positioning pins are provided at both ends of one side surface of the carrier frame, and a plurality of positioning holes are opened at the positions corresponding to each positioning pin on the other side surface of the carrier frame.

[0010] In a preferred technical solution of the present utility model, a calibration jack is opened on one side surface of each cantilever rod, and a calibration rod is inserted into the calibration jack.

[0011] In a preferred technical solution of the present utility model, extension mounting parts are integrally provided at both ends of the carrier frame, and a plurality of mounting holes are opened through the upper surfaces of each extension mounting part.

[0012] In a preferred technical solution of the present utility model, an anti-slip rubber pad is provided on the bottom surface of each of the extension mounting parts.

[0013] The beneficial effects of the present utility model are as follows: A flexible circuit board carrier obtained by the above design of the present utility model, when in use, can carry flexible circuit boards of different sizes, shapes and specifications through the cantilever mechanism, and can choose to flatten the flexible circuit board or make it have a certain amount of tension margin according to needs, thereby reducing the limitations in the use process and further improving the adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0015] Figure 1 is a schematic three-dimensional view of the overall connection structure with the flexible circuit board provided by the embodiment of the present utility model;

[0016] Figure 2 is a schematic three-dimensional view of the overall structure provided by the embodiment of the present utility model;

[0017] Figure 3 is a schematic three-dimensional view of the overall structure on the other side provided by the embodiment of the present utility model;

[0018] Figure 4 is a schematic three-dimensional view of the overall cross-sectional structure provided by the embodiment of the present utility model;

[0019] Figure 5 is a schematic three-dimensional view of the overall cross-sectional structure of the clamping mechanism provided by the embodiment of the present utility model.

[0020] In the figure: 1 - carrier frame; 2 - cantilever mechanism; 3 - clamping mechanism; 4 - calibration rod; 5 - flexible circuit board; 101 - extension mounting part; 102 - mounting hole; 103 - positioning pin; 104 - positioning hole; 201 - damping rotating shaft; 202 - adjusting worm; 203 - linkage worm gear; 204 - connecting shaft; 205 - cantilever rod; 206 - mounting shaft; 207 - calibration jack; 301 - mounting frame; 302 - chute; 303 - mounting plate; 304 - slider; 305 - clamping plate; 306 - bidirectional threaded rod; 307 - adjusting knob. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1 to 5 , the present utility model provides a technical solution: a flexible printed circuit board carrier, including a carrier frame 1, on which a cantilever mechanism 2 is installed. The cantilever mechanism 2 includes a damping rotating shaft 201, which is rotatably installed in a through hole opened in the inner wall of the bottom of the carrier frame 1. One end of the damping rotating shaft 201 is fixedly connected to an adjusting worm 202, and the adjusting worm 202 is meshed and connected to the linkage worm wheels 203 on both sides at the same time. Each linkage worm wheel 203 is fixedly sleeved on a connecting shaft 204 on the corresponding side. The two connecting shafts 204 are rotatably installed between the inner walls on both sides of the carrier frame 1. One end of a cantilever rod 205 is fixedly connected to the outer wall of each connecting shaft 204. An installation shaft 206 is integrally provided at the other end of each cantilever rod 205. A clamping mechanism 3 is rotatably connected to each installation shaft 206.

[0023] It should be noted that the damping rotating shaft 201 is an adjusting part with a damping structure, which can, to a certain extent, prevent itself from rotating due to external forces and ensure stability during use.

[0024] Please refer to Figure 5 , each clamping mechanism 3 includes an installation frame 301, which is rotatably installed on the corresponding installation shaft 206. A chute 302 is opened on one side surface of the installation frame 301. An installation plate 303 is integrally provided on one inner wall of the chute 302. Two sliders 304 are slidably connected in the chute 302 on both sides of the installation plate 303. One end of each slider 304 is fixedly connected to a clamping plate 305. A connection hole is opened in the middle of the installation plate 303, and a bidirectional threaded rod 306 is rotatably installed in the connection hole. A threaded hole is opened on one side surface of each slider 304, and the two sliders 304 are respectively threadedly connected to both ends of the bidirectional threaded rod 306 through the threaded holes. One end of the bidirectional threaded rod 306 extends to the outside of the chute 302 through a through hole and is fixedly connected to an adjusting knob 307.

[0025] Both clamping plates 305 are slidably connected to the chute 302 through corresponding sliders 304, and are also threadedly connected to both ends of the bidirectional threaded rod 306 through the sliders 304. When the bidirectional threaded rod 306 is rotated by adjusting the knob 307, the two sliders 304 will slide synchronously in opposite directions, thereby driving the two clamping plates 305 to move towards or away from each other, and the edge of the flexible circuit board 5 can be clamped. After the clamping mechanisms 3 on both sides clamp the two ends of the flexible circuit board 5 at the same time, the tension of the flexible circuit board 5 can be adjusted through the cantilever mechanism 2 according to the needs of production and processing, so as to adapt to more usage scenarios.

[0026] Furthermore, protective rubber pads are provided on the surfaces of the two clamping plates 305 facing each other.

[0027] By providing the protective rubber pads, while protecting the flexible circuit board 5, the friction between the clamping plates 305 and the flexible circuit board 5 can also be increased, ensuring the stability during the clamping process.

[0028] Please refer to Figures 1 to Figure 3 At both ends of one side surface of the carrier 1, a plurality of positioning pins 103 are provided, and a plurality of positioning holes 104 are provided at positions corresponding to each positioning pin 103 on the other side surface of the carrier 1.

[0029] During use, several carriers 1 can be spliced according to the actual size and specifications of the flexible circuit board 5. Through the cooperation of the positioning pins 103 and the positioning holes 104, several carriers 1 can be arranged and spliced in sequence, and accurately positioned to avoid dislocation.

[0030] Furthermore, calibration jacks 207 are provided on one side surface of each cantilever rod 205, and calibration rods 4 are inserted into the calibration jacks 207.

[0031] When several units are spliced and used, through the damping rotating shaft 201, the opening angles of all the cantilever mechanisms 2 are made the same. Calibration can be carried out by inserting the calibration rods 4 into all the calibration jacks 207 on the same side. If dislocation occurs during the insertion of the calibration rods 4, it means that the opening angles of several cantilever mechanisms 2 are inconsistent and need to be adjusted. At the same time, when spliced and used, the calibration rods 4 can further limit all the cantilever mechanisms 2 to maintain the stability during use.

[0032] Furthermore, extension mounting parts 101 are integrally provided at both ends of the carrier 1, and a plurality of mounting holes 102 are provided through the upper surfaces of each extension mounting part 101.

[0033] Through the extension mounting parts 101 and the mounting holes 102, the whole can be connected and installed on the production and processing equipment to achieve fixation, ensuring the stability during the loading process.

[0034] Furthermore, an anti-slip rubber pad is provided on the bottom surface of each extension mounting portion 101.

[0035] Providing an anti-slip rubber pad at the bottom of the extension mounting portion 101 can improve the friction between the whole and the processing and production equipment. At the same time, it can also absorb the vibration generated during the operation of the equipment to a certain extent and maintain stability during use.

[0036] Working principle: Select a single one or multiple ones for overall splicing according to the actual size, shape and specifications of the flexible circuit board 5. Clamp both ends of the flexible circuit board 5 through the clamping mechanisms 3 on both sides. Drive the adjusting worm 202 to rotate through the damping rotating shaft 201. Since the two linkage worm wheels 203 are simultaneously meshed with the adjusting worm 202 and are located on both sides of the adjusting worm 202, when the adjusting worm 202 rotates, the two linkage worm wheels 203 will rotate synchronously and in opposite directions, thereby driving the two cantilever rods 205 to rotate and adjust synchronously. The overall tension of the flexible circuit board 5 can be adjusted according to actual needs to meet the requirements of production and processing. In certain specific situations, the linkage worm wheel 203 and the adjusting worm 202 also have a self-locking effect. The adjusting worm 202 can limit the linkage worm wheel 203, and cooperate with the damping rotating shaft 201 to achieve high stability and reduce the situation that the cantilever rod 205 rotates during use. Through the cantilever mechanism 2, the flexible circuit board 5 with different sizes, shapes and specifications can be carried, and it can be selected to flatten the flexible circuit board 5 or make it have a certain amount of tension margin according to needs, thereby reducing the limitations during use.

[0037] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A flexible printed circuit board carrier, characterized in that, It includes a carrier (1), on which a cantilever mechanism (2) is installed. The cantilever mechanism (2) includes a damping rotating shaft (201), which is rotatably installed in a through hole opened on the inner wall of the bottom of the carrier (1). One end of the damping rotating shaft (201) is fixedly connected with an adjusting worm (202), and the adjusting worm (202) is meshed and connected with two side linkage worms (203) at the same time. Each linkage worm (203) is fixedly sleeved on a connecting shaft (204) on the corresponding side. The two connecting shafts (204) are rotatably installed between the inner walls on both sides of the carrier (1). One end of each cantilever rod (205) is fixedly connected to the outer wall of each connecting shaft (204). An installation shaft (206) is integrally provided at the other end of each cantilever rod (205). A clamping mechanism (3) is rotatably connected to each installation shaft (206).

2. The flexible circuit board carrier according to claim 1, wherein: Each clamping mechanism includes an installation frame (301), which is rotatably installed on the corresponding installation shaft (206). A chute (302) is opened on one side surface of the installation frame (301). An installation plate (303) is integrally provided on one inner wall of the chute (302). Two sliders (304) are slidably connected in the chute (302) on both sides of the installation plate (303). One end of each slider (304) is fixedly connected with a clamping plate (305). A connection hole is opened in the middle of the installation plate (303), and a bidirectional threaded rod (306) is rotatably installed in the connection hole. A threaded hole is opened on one side surface of each slider (304), and the two sliders (304) are respectively threadedly connected to both ends of the bidirectional threaded rod (306) through the threaded holes. One end of the bidirectional threaded rod (306) extends to the outside of the chute (302) through a through hole and is fixedly connected with an adjusting knob (307).

3. The flexible circuit board carrier according to claim 2, wherein: Protective rubber pads are provided on the opposite side surfaces of the two clamping plates (305).

4. The flexible circuit board carrier according to claim 1, wherein: A number of positioning pins (103) are provided at both ends of one side surface of the carrier (1), and a number of positioning holes (104) are opened at the positions corresponding to each positioning pin (103) on the other side surface of the carrier (1).

5. The flexible circuit board carrier according to claim 1, wherein: A calibration jack (207) is opened on one side surface of each cantilever rod (205), and a calibration rod (4) is inserted into the calibration jack (207).

6. The flexible circuit board carrier according to claim 1, wherein: Extension installation parts (101) are integrally provided at both ends of the carrier (1), and a number of installation holes (102) are penetrated through the upper surfaces of each extension installation part (101).

7. The flexible circuit board carrier according to claim 6, wherein: Anti-slip rubber pads are provided on the bottom surfaces of each extension installation part (101).

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