Plug-in type flexible circuit board

Abstract

The utility model discloses a plug-in type flexible circuit board, which relates to the field of circuit boards, and comprises a flexible circuit board main body, two joints, a circular plate and a wrapping post, the two joints are respectively and fixedly connected with the left end and the right end of the flexible circuit board main body, the circumferential side wall of the wrapping post is provided with a strip-shaped opening, and the circular plate is fixedly connected with the wrapping post. The flexible circuit board body penetrates through the wrapping post through the strip-shaped opening and is in sliding connection with the wrapping post, the front end and the rear end of the wrapping post are rotationally connected with the two circular plates through rotating shafts correspondingly, two guide mechanisms capable of guiding the flexible circuit board body are arranged between the two circular plates, and the two guide mechanisms are connected with the left side and the right side of the wrapping post correspondingly. The front end of the front side rotating shaft extends forwards, and a clamping mechanism capable of movably clamping the rotating shaft is arranged on the front side of the front side circular plate. According to the flexible circuit board winding device, in the installation and use process of the flexible circuit board, the redundant length of the flexible circuit board can be wound, the flexible circuit board is prevented from being bent and folded at will, internal circuit arrangement of equipment is facilitated, and people can use the flexible circuit board conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit boards, in particular to a plug-in type flexible circuit board. Background Art

[0002] Flexible circuit boards, also known as "soft boards", are printed circuits made of flexible insulating substrates. Flexible circuits provide excellent electrical properties, can meet the design needs of smaller and higher density installations, and also help reduce assembly processes and enhance reliability. Flexible circuit boards are the only solution to meet the miniaturization and mobility requirements of electronic products. They can be bent, wound, and folded freely, and can withstand millions of dynamic bends without damaging the wires. They can be arranged arbitrarily according to spatial layout requirements, and can be moved and stretched arbitrarily in three-dimensional space, thereby achieving the integration of component assembly and wire connection; flexible circuit boards can greatly reduce the size and weight of electronic products, and are suitable for the development of electronic products towards high density, miniaturization, and high reliability.

[0003] At present, the length of flexible circuit boards is fixed after production. Although they can be bent arbitrarily during installation, if the overly long flexible circuit board is bent arbitrarily and placed in the device, it will still affect the internal layout of the device. Therefore, a plug-in flexible circuit board is proposed. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a plug-in flexible circuit board, which effectively solves the problem that the length of the current flexible circuit board is fixed after production and manufacturing. Although it can be bent arbitrarily during installation, the excessively long flexible circuit board can still affect the internal layout of the equipment if it is bent arbitrarily and placed in the equipment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plug-in flexible circuit board, comprising a flexible circuit board body and two connectors, the two connectors are respectively fixedly connected to the left and right ends of the flexible circuit board body, and also comprises a circular plate and a winding post, the circumferential side wall of the winding post is provided with a strip opening, the flexible circuit board body passes through the winding post through the strip opening and is slidably connected to the winding post, the front and rear ends of the winding post are respectively rotatably connected to the two circular plates through a rotating shaft, two groups of guide mechanisms that can guide the flexible circuit board body are arranged between the two circular plates, the two groups of guide mechanisms are respectively connected to the left and right sides of the winding post, the front end of the rotating shaft on the front side is extended forward, and the front side of the front circular plate on the front side is provided with a clamping mechanism that can movably clamp the rotating shaft.

[0006] Preferably, the clamping mechanism includes a cylinder, a spur gear, a spring and an inner gear ring, a circular groove is opened in the middle of the rear side of the spur gear, the front end of the rotating shaft extends into the circular groove and is slidably connected with the spur gear, the spring is also located in the circular groove, and the two ends of the spring are respectively fixedly connected to the front end of the rotating shaft and the bottom of the circular groove, a limiting sliding assembly is arranged inside the circular groove to make the spur gear and the rotating shaft rotate synchronously, the cylinder is fixedly arranged on the front side, the front side of the circular plate is movably sleeved on the outside of the spur gear, the inner gear ring is fixedly arranged at the front end of the inner circular side wall of the cylinder, and the spur gear can be meshed and connected with the inner gear ring.

[0007] Preferably, the limiting sliding assembly includes a plurality of guide slide blocks, the circumferential side wall of the circular groove is provided with a plurality of longitudinally arranged guide slide grooves, the plurality of guide slide blocks are respectively slidably arranged in the plurality of guide slide grooves, and the plurality of guide slide blocks are all fixedly connected to the shaft wall of the rotating shaft on the front side.

[0008] Preferably, the number of the guide sliding blocks and the number of the guide sliding grooves are both set to four, and the four guide sliding grooves are evenly distributed in a ring shape.

[0009] Preferably, a rotating block is fixedly provided at the front end of the spur gear.

[0010] Preferably, each group of the guide mechanisms includes two round rods, each group of two round rods are longitudinally arranged and symmetrically distributed up and down, and the two ends of each round rod are respectively fixedly connected to two circular plates, and the flexible circuit board passes between the two round rods and is slidably connected to the two round rods.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model, through the two circular plates, the winding post and the clamping mechanism, when the connectors at both ends of the flexible circuit board body are connected in the device, the spur gear can be pressed to separate the spur gear from the inner gear ring, so that the winding post can be rotated, and the excess flexible circuit board body can be wound. After the winding is completed, the spur gear is released, and under the elastic force of the spring, the spur gear slides outward until the spur gear and the inner gear ring are meshed with each other, so that the spur gear is clamped, and then the spur gear, the rotating shaft and the winding post cannot be rotated. Through the above device, during the installation and use of the flexible circuit board, the excess length of the flexible circuit board can be wound to avoid the flexible circuit board from bending and folding at will, which is convenient for the internal circuit arrangement of the equipment and convenient for people to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the front cross-sectional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0017] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure of part A;

[0018] Figure 5 It is a schematic diagram of the top view of the rotating shaft and the spur gear of the utility model.

[0019] In the figure: 1. Flexible circuit board body; 2. Connector; 3. Round plate; 4. Winding column; 5. Rotating shaft; 6. Cylinder; 7. Spur gear; 8. Spring; 9. Internal gear ring; 10. Guide slider; 11. Rotating block; 12. Round rod. DETAILED DESCRIPTION

[0020] The utility model provides Figure 1-5 A plug-in flexible circuit board is shown, comprising a flexible circuit board body 1 and two connectors 2, the two connectors 2 are respectively fixedly connected to the left and right ends of the flexible circuit board body 1, and also comprises a circular plate 3 and a winding post 4, the circumferential side wall of the winding post 4 is provided with a strip opening, the flexible circuit board body 1 passes through the winding post 4 through the strip opening and is slidably connected to the winding post 4, the front and rear ends of the winding post 4 are respectively rotatably connected to the two circular plates 3 through a rotating shaft 5, two groups of guide mechanisms for guiding the flexible circuit board body 1 are arranged between the two circular plates 3, the two groups of guide mechanisms are respectively connected to the left and right sides of the winding post 4, the front end of the front rotating shaft 5 is extended forward, and the front side of the front circular plate 3 is provided with a clamping mechanism for movably clamping the rotating shaft 5.

[0021] like Figure 2-Figure 4 The clamping mechanism includes a cylinder 6, a spur gear 7, a spring 8 and an inner gear ring 9. A circular groove is provided in the middle of the rear side of the spur gear 7. The front end of the rotating shaft 5 extends into the circular groove and is slidably connected with the spur gear 7. The spring 8 is also located in the circular groove, and the two ends of the spring 8 are respectively fixedly connected with the front end of the rotating shaft 5 and the bottom of the circular groove. A limited sliding assembly is provided inside the circular groove to make the spur gear 7 and the rotating shaft 5 rotate synchronously. The cylinder 6 is fixedly arranged on the front side of the front circular plate 3 and movably sleeved on the outside of the spur gear 7. The inner gear ring 9 is fixedly arranged on the front end of the inner circular side wall of the cylinder 6, and the spur gear 7 can be meshed and connected with the inner gear ring 9.

[0022] like Figure 4 and Figure 5As shown, the limiting sliding assembly includes a plurality of guide sliders 10, the circumferential side wall of the circular groove is provided with a plurality of longitudinally arranged guide slots, the plurality of guide sliders 10 are respectively slidably arranged in the plurality of guide slots, and the plurality of guide sliders 10 are all fixedly connected to the shaft wall of the front rotating shaft 5.

[0023] like Figure 5 As shown, the number of the guide slider 10 and the number of the guide slots are both set to four, and the four guide slots are evenly distributed in a ring shape, which further improves the stability of the spur gear 7 when sliding on the rotating shaft 5.

[0024] like Figure 2 and Figure 4 As shown, a rotating block 11 is fixedly provided at the front end of the spur gear 7, so that people can drive the rotating shaft 5 and the winding column 4 to rotate by holding the rotating block 11.

[0025] like Figure 1-Figure 3 As shown, each set of guiding mechanisms includes two round rods 12, and each set of two round rods 12 are longitudinally arranged and symmetrically distributed up and down, and the two ends of each round rod 12 are respectively fixedly connected to the two round plates 3. The flexible circuit board passes through between the two round rods 12 and is slidably connected to the two round rods 12. When the winding column 4 rolls up the flexible circuit board body 1, the flexible circuit board body 1 can be guided to prevent the flexible circuit board body 1 from being loose.

[0026] The working principle of the utility model is as follows: through the two circular plates 3, the winding post 4 and the clamping mechanism, when the connectors 2 at both ends of the flexible circuit board body 1 are connected in the device, the spur gear 7 can be pressed to separate the spur gear 7 from the inner gear ring 9, so that the winding post 4 can be rotated, and the excess flexible circuit board body 1 can be wound. After the winding is completed, the spur gear 7 is released, and under the elastic force of the spring 8, the spur gear 7 slides outward until the spur gear 7 and the inner gear ring 9 are meshed with each other, thereby clamping the spur gear 7, and then making the spur gear 7, the rotating shaft 5 and the winding post 4 unable to rotate. Through the upper device, the flexible circuit board of excess length can be wound during the installation and use of the flexible circuit board, so as to avoid the flexible circuit board from bending and folding at will, which is convenient for the internal circuit arrangement of the equipment and for people to use.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plug-in flexible circuit board, characterized in that: The invention comprises a flexible circuit board body (1) and two connectors (2), wherein the two connectors (2) are respectively fixedly connected to the left and right ends of the flexible circuit board body (1), and further comprises a circular plate (3) and a winding post (4), wherein the circumferential side wall of the winding post (4) is provided with a strip opening, wherein the flexible circuit board body (1) passes through the winding post (4) through the strip opening and is slidably connected to the winding post (4), wherein the front and rear ends of the winding post (4) are respectively rotatably connected to the two circular plates (3) via a rotating shaft (5), wherein two groups of guide mechanisms capable of guiding the flexible circuit board body (1) are arranged between the two circular plates (3), wherein the two groups of guide mechanisms are respectively connected to the left and right sides of the winding post (4), wherein the front end of the rotating shaft (5) on the front side extends forward, and a clamping mechanism capable of movably clamping the rotating shaft (5) is arranged on the front side of the circular plate (3) on the front side.

2. A plug-in flexible circuit board according to claim 1, characterized in that: The clamping mechanism comprises a cylinder (6), a spur gear (7), a spring (8) and an inner gear ring (9). A circular groove is provided in the middle of the rear side of the spur gear (7). The front end of the rotating shaft (5) extends into the circular groove and is slidably connected to the spur gear (7). The spring (8) is also located in the circular groove, and the two ends of the spring (8) are respectively fixedly connected to the front end of the rotating shaft (5) and the bottom of the circular groove. A limit sliding assembly is arranged inside the circular groove to enable the spur gear (7) and the rotating shaft (5) to rotate synchronously. The cylinder (6) is fixedly arranged on the front side of the circular plate (3). The front side of the spur gear (7) is movably sleeved on the outside of the spur gear (7). The inner gear ring (9) is fixedly arranged on the front end of the inner circular side wall of the cylinder (6). The spur gear (7) can be meshed and connected with the inner gear ring (9).

3. A plug-in flexible circuit board according to claim 2, characterized in that: The limit sliding assembly comprises a plurality of guide slide blocks (10), the circumferential side wall of the circular groove is provided with a plurality of longitudinally arranged guide slide grooves, the plurality of guide slide blocks (10) are respectively slidably arranged in the plurality of guide slide grooves, and the plurality of guide slide blocks (10) are all fixedly connected to the shaft wall of the rotating shaft (5) on the front side.

4. A plug-in flexible circuit board according to claim 3, characterized in that: The number of the guide sliding blocks (10) and the number of the guide sliding grooves are both set to four, and the four guide sliding grooves are evenly distributed in a ring shape.

5. A plug-in flexible circuit board according to claim 4, characterized in that: A rotating block (11) is fixedly arranged at the front end of the spur gear (7).

6. A plug-in flexible circuit board according to claim 5, characterized in that: Each group of the guide mechanisms comprises two round rods (12), each group of the two round rods (12) are longitudinally arranged and symmetrically distributed up and down, and the two ends of each round rod (12) are respectively fixedly connected to the two circular plates (3), and the flexible circuit board passes between the two round rods (12) and is slidably connected to the two round rods (12).

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