A flexible circuit board with a structurally adjustable shock-absorbing bracket

Abstract

The present invention relates to the technical field of circuit boards, and in particular to a flexible circuit board with a structurally adjustable shock-absorbing bracket, including a flexible circuit board body. The flexible circuit board with a structurally adjustable shock-absorbing bracket of the present invention is provided with a rectangular assembly opening for an internally encapsulated metal assembly plate, and an elastic metal sheet is assembled through the metal assembly plate, and then the external assembly and fixation are performed using the adjustable assembly bolts on the elastic metal sheet, so that the assembly method is more diverse and the application range is wider; the spacing between the flexible circuit board and the assembly surface is adjustable, and the adjustment operation is very simple and convenient; the adjustment range is larger, and elastic reset is convenient, and loading and unloading are convenient, and the later use cost is reduced; loading and unloading and adjustment can be conveniently controlled, and the operation and use are more convenient, and the shock-absorbing performance is also more excellent.

Description

Technical Field

[0001] The invention relates to the technical field of circuit boards, in particular to a flexible circuit board with a structurally adjustable shock-absorbing bracket. Background Art

[0002] Flexible circuit boards, also known as soft circuit boards and flexible circuit boards, are highly favored for their excellent properties such as light weight, thin thickness, and free bending and folding. With the rapid development of the electronics industry, circuit board design is becoming more and more high-precision and high-density. Traditional manual detection methods can no longer meet production needs, and automated detection of FPC defects has become an inevitable trend in industrial development.

[0003] Flexible circuit is a technology developed for the development of space rocket technology. It is a printed circuit with high reliability and excellent flexibility made of polyester film or polyimide as the substrate. By embedding the circuit design on the bendable thin plastic sheet, a large number of precision components can be stacked in a narrow and limited space to form a bendable flexible circuit. This kind of circuit can be bent and folded at will, with light weight, small size, good heat dissipation, and easy installation, breaking through the traditional interconnection technology. In the structure of the flexible circuit, the materials are insulating film, conductor and adhesive.

[0004] The current flexible circuit boards have a simple structure and are mostly installed and fixed by gluing. The installation method is single and mainly relies on external base surfaces for assembly. The scope of application is limited and the impact resistance is poor. Summary of the invention

[0005] The technical problem to be solved by the present invention is: in order to solve the problems existing in the above-mentioned background technology, an improved flexible circuit board with a structurally adjustable shock-absorbing bracket is provided to solve the problems that the current flexible circuit board has a simple structure, a single installation method, is mainly assembled with the help of an external base surface, has a limited scope of application, and has poor impact resistance.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a flexible circuit board with a structurally adjustable shock-absorbing bracket, including a flexible circuit board body, a first rectangular assembly opening, a second rectangular assembly opening and a third rectangular assembly opening are opened inside the flexible circuit board body, and metal assembly plates are encapsulated inside the first rectangular assembly opening, the second rectangular assembly opening and the third rectangular assembly opening, and the lower ends of the metal assembly plates inside the second rectangular assembly opening and the third rectangular assembly opening are opened with strip-shaped installation openings with built-in middle limit frames, the lower end of the metal assembly plate inside the first rectangular assembly opening is fixedly connected with an elastic first metal sheet, the lower end of the elastic first metal sheet is movably assembled with an elastic second metal sheet, and the center position of the elastic second metal sheet has an integrated structural assembly inner screw tube with built-in adjustment assembly bolts.

[0007] The two ends of the elastic second metal sheet have an integral second assembly plate, the top of the second assembly plate has an integral second limiting plate, the two sides of the elastic second metal sheet are inserted into the middle limiting frame through the second assembly plates and movably assembled with the metal assembly plates inside the second rectangular assembly opening and the third rectangular assembly opening, and strip lateral connecting openings are symmetrically opened on both sides of the elastic second metal sheet.

[0008] The top ends of both sides of the elastic first metal sheet are provided with top first limiting plates, and the elastic first metal sheet passes through the strip-shaped lateral connecting opening through the top first limiting plates and is movably connected with the elastic second metal sheet.

[0009] The adjusting assembly bolt comprises an external threaded adjusting rod threadedly inserted into the assembly inner screw tube, a bolt head fixed to the top of the external threaded adjusting rod and a locking nut threadedly sleeved on the outside of the external threaded adjusting rod. The bolt head and locking nut are respectively installed on both sides of the assembly inner screw tube.

[0010] A top adjusting groove with a built-in telescopic elastic extrusion frame is provided at the top of the bolt head, and lateral limiting tooth grooves are provided on the inner walls on both sides of the top adjusting groove.

[0011] The telescopic elastic extrusion frame is provided with a notch at the upper end, and the upper end of the telescopic elastic extrusion frame has upwardly protruding arc-shaped extrusion protrusions located on both sides of the notch, and the telescopic elastic extrusion frame has toothed meshing sections on both sides with the lateral limiting tooth grooves. The telescopic elastic extrusion frame is inserted into the lateral limiting tooth grooves through the toothed meshing sections on both sides and is fixed to the top adjustment groove.

[0012] An arc-shaped limiting slot is provided inside the arc-shaped extrusion protrusion, and an arc-shaped limiting strip matching the arc-shaped limiting slot is provided at the lower end of the elastic first metal sheet.

[0013] A circular assembly through hole is provided inside the elastic first metal sheet, and the lower end of the metal assembly plate inside the first rectangular assembly opening is inserted into the circular assembly through hole through a rivet and is clamped and fixed to the elastic first metal sheet.

[0014] The inner side wall of the assembled inner spiral tube is provided with annular extrusion grooves with built-in extrusion springs at both end openings.

[0015] An annular groove matched with the extrusion spring is provided on the inner side wall of the inner screw tube near the assembly of the bolt head and the locking nut.

[0016] The beneficial effects of the present invention are:

[0017] (1) The flexible circuit board with a structurally adjustable shock-absorbing bracket of the present invention has a rectangular assembly opening for encapsulating a metal assembly plate inside, assembling the elastic metal sheet through the metal assembly plate, and then using the adjustable assembly bolts on the elastic metal sheet for external assembly and fixing, so that the assembly method is more diverse and the application range is wider;

[0018] (2) By changing the connection structure between the adjusting assembly bolt and the assembly inner screw tube, the distance between the elastic first metal sheet and the elastic second metal sheet can be freely changed, so that the distance between the flexible circuit board and the assembly surface can be adjusted, and the adjustment operation is very simple and convenient;

[0019] (3) The metal assembly plate is inserted through the second limiting plates at both ends of the elastic second metal sheet, and the top first limiting plates on both sides of the elastic first metal sheet are passed through the strip-shaped lateral connection port for active assembly, so that the adjustment range is larger, the elastic reset is convenient, and the loading and unloading is convenient, which reduces the later use cost;

[0020] (4) A top adjustment groove with a built-in telescopic elastic extrusion frame is provided at the top of the bolt head. The telescopic elastic extrusion frame is used to elastically support and limit the lower end of the elastic first metal sheet, thereby improving shock absorption and impact resistance. At the same time, the toothed meshing sections on both sides of the telescopic elastic extrusion frame are inserted into the lateral limit tooth grooves to install the limit, thereby improving assembly stability and firmness. There are upwardly protruding arc-shaped extrusion protrusions on both sides of the notch on the telescopic elastic extrusion frame, which can facilitate control of loading and unloading and adjustment, making operation more convenient and having better shock absorption performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 It is a structural schematic diagram of the present invention.

[0023] Figure 2 It is an internal cross-sectional view of the present invention.

[0024] Figure 3 It is a partial cross-sectional view of the contact end of the bolt head in the present invention. DETAILED DESCRIPTION

[0025] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Figure 1 , Figure 2 and Figure 3 A flexible circuit board with a structurally adjustable shock-absorbing bracket is shown, comprising a flexible circuit board body 1, wherein a first rectangular assembly opening 2, a second rectangular assembly opening 3 and a third rectangular assembly opening 4 are provided inside the flexible circuit board body 1, wherein metal assembly plates 5 are encapsulated inside the first rectangular assembly opening 2, the second rectangular assembly opening 3 and the third rectangular assembly opening 4, wherein the lower ends of the metal assembly plates 5 inside the second rectangular assembly opening 3 and the third rectangular assembly opening 4 are provided with strip-shaped installation openings with built-in middle limit frames 6, wherein the lower ends of the metal assembly plates 5 inside the first rectangular assembly opening 2 are fixedly connected with an elastic first metal sheet 7, wherein the lower ends of the elastic first metal sheet 7 are movably equipped with an elastic second metal sheet 8, wherein the elastic second metal sheet 8 has an integrated structural assembly inner screw tube 9 with built-in adjustment assembly bolts at the center position thereof.

[0028] By rotating the adjusting assembly bolt inside the assembly inner screw tube 9, the bending of both sides of the elastic first metal sheet 7 and the elastic second metal sheet 8 can be controlled. By adjusting the distance between the elastic first metal sheet 7 and the elastic second metal sheet 8, a rugby-shaped gap is formed, thereby changing the distance between the flexible circuit board and the connecting bracket. At the same time, the elastic metal sheet can be used to improve the supporting strength and elastic shock absorption performance, and can also improve the impact resistance.

[0029] Furthermore, in order to cooperate with the active assembly, the two ends of the elastic second metal sheet 8 have an integral second assembly plate 10, and the top of the second assembly plate 10 has an integral second limiting plate 11. The two sides of the elastic second metal sheet 8 are inserted into the middle limiting frame 6 through the second assembly plates 10 and are actively assembled with the metal assembly plates 5 inside the second rectangular assembly port 3 and the third rectangular assembly port 4. Strip lateral connecting ports 12 are symmetrically opened on both sides of the elastic second metal sheet 8.

[0030] Furthermore, in order to cooperate with lateral assembly, the top ends of both sides of the elastic first metal sheet 7 have top first limiting plates 13, and the elastic first metal sheet 7 passes through the strip lateral connecting port 12 through the top first limiting plates 13 to be movably connected with the elastic second metal sheet 8.

[0031] Furthermore, in order to cooperate with the thread adjustment control, the adjusting assembly bolt includes an externally threaded adjusting rod 14 threadedly inserted into the assembly inner screw tube 9, a bolt head 15 fixed to the top of the externally threaded adjusting rod 14 and a locking nut 16 threadedly sleeved on the outside of the externally threaded adjusting rod 14, and the bolt head 15 and the locking nut 16 are respectively installed on both sides of the assembly inner screw tube 9.

[0032] Furthermore, in order to cooperate with internal storage and lateral clamping, a top adjustment groove 18 with a built-in telescopic elastic extrusion frame 17 is opened at the top of the bolt head 15, and lateral limiting tooth grooves 19 are opened on the inner walls on both sides of the top adjustment groove 18.

[0033] Furthermore, in order to facilitate external adjustment and lateral limiting, a notch is provided at the upper end of the telescopic elastic extrusion frame 17, and the upper end of the telescopic elastic extrusion frame 17 is provided with upwardly protruding arc-shaped extrusion protrusions 20 located on both sides of the notch, and the telescopic elastic extrusion frame 17 has toothed meshing sections 21 on both sides of the lateral limiting tooth groove 19. The telescopic elastic extrusion frame 17 is inserted into the lateral limiting tooth groove 19 through the toothed meshing sections 21 on both sides and is clamped and fixed to the top adjustment groove 18.

[0034] People control the arc-shaped extrusion protrusion 20 to be squeezed inward from the outside, so as to reduce the gap. At this time, the toothed meshing section 21 is separated from the lateral limiting tooth groove 19. At this time, the telescopic elastic extrusion frame 17 can be internally telescopically adjusted and then released. At this time, the toothed meshing section 21 is controlled to be inserted into the lateral limiting tooth groove 19 for fixation due to the elastic extrusion.

[0035] Furthermore, in order to achieve the purpose of lateral limitation without affecting the rotation adjustment, an arc-shaped limiting groove 22 is opened inside the arc-shaped extrusion protrusion 20, and the lower end of the elastic first metal sheet 7 has an arc-shaped limiting strip 23 that matches the arc-shaped limiting groove 22.

[0036] Furthermore, in order to facilitate installation and fixation, a circular assembly through hole is opened inside the elastic first metal sheet 7, and the lower end of the metal assembly plate 5 inside the first rectangular assembly opening 2 is inserted into the circular assembly through hole through a rivet and fixed to the elastic first metal sheet 7.

[0037] Furthermore, in order to improve the elastic shock absorption and internal elastic extrusion force of the assembly adjustment end, annular extrusion grooves with built-in extrusion springs 24 are provided at the opening positions at both ends of the inner wall of the assembly inner spiral tube 9.

[0038] Furthermore, in order to cooperate with the inner limiting capacity and facilitate internal storage, an annular groove 25 cooperating with the extrusion spring 24 is opened on the inner wall of the inner screw tube near the bolt head 15 and the locking nut 16.

[0039] The flexible circuit board with a structurally adjustable shock-absorbing bracket of the present invention is provided with a rectangular assembly opening inside which an internally encapsulated metal assembly plate 5 is opened, and the elastic metal sheet is assembled through the metal assembly plate 5, and then the external assembly and fixation are performed using the adjusting assembly bolts on the elastic metal sheet, so that the assembly method is more diverse and the scope of application is wider; by changing the connection structure of the adjusting assembly bolts and the assembly inner screw tube 9, the distance between the elastic first metal sheet 7 and the elastic second metal sheet 8 can be freely changed, so that the distance between the flexible circuit board and the assembly surface is adjustable, and the adjustment operation is very simple and convenient; the second limiting plates 11 at both ends of the elastic second metal sheet 8 are inserted into the metal assembly plate 5, and the top first limiting plates on both sides of the elastic first metal sheet 7 are used. 13 is movably assembled through the strip lateral connecting port 12, so that the adjustment range is larger, which is convenient for elastic reset, and is convenient for loading and unloading, reducing the cost of later use; a top adjustment groove with a built-in telescopic elastic extrusion frame 17 is opened at the top of the bolt head 15, and the telescopic elastic extrusion frame 17 is used to elastically support and limit the lower end of the elastic first metal sheet 7, thereby improving shock absorption and impact resistance. At the same time, the toothed meshing sections 21 on both sides of the telescopic elastic extrusion frame 17 are inserted into the lateral limiting tooth grooves 19 to install the limit, which can improve the assembly stability and firmness. There are upwardly protruding arc-shaped extrusion protrusions 20 on both sides of the notch on the telescopic elastic extrusion frame 17, which can facilitate control of loading and unloading and adjustment, make operation more convenient, and have better shock absorption performance.

[0040] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A flexible circuit board with a structurally adjustable shock-absorbing bracket, comprising a flexible circuit board body (1), Its characteristics are: The flexible circuit board body (1) is provided with a first rectangular assembly opening (2), a second rectangular assembly opening (3) and a third rectangular assembly opening (4); the first rectangular assembly opening (2), the second rectangular assembly opening (3) and the third rectangular assembly opening (4) are each encapsulated with a metal assembly plate (5); the lower ends of the metal assembly plates (5) inside the second rectangular assembly opening (3) and the third rectangular assembly opening (4) are each provided with a strip-shaped installation opening with a built-in middle limit frame (6); the lower end of the metal assembly plate (5) inside the first rectangular assembly opening (2) is fixedly connected with an elastic first metal sheet (7); the lower end of the elastic first metal sheet (7) is movably provided with an elastic second metal sheet (8); the elastic second metal sheet (8) has an integrated structural assembly inner screw tube (9) with a built-in adjustment assembly bolt at the center position; The adjusting assembly bolt comprises an externally threaded adjusting rod (14) threadedly inserted into the assembly inner screw tube (9), a bolt head (15) fixed to the top of the externally threaded adjusting rod (14) and a locking nut (16) threadedly sleeved on the outside of the externally threaded adjusting rod (14), wherein the bolt head (15) and the locking nut (16) are respectively mounted on both sides of the assembly inner screw tube (9); The top of the bolt head (15) is provided with a top adjustment groove (18) with a built-in telescopic elastic extrusion frame (17), and the inner walls on both sides of the top adjustment groove (18) are provided with lateral limit tooth grooves (19); The telescopic elastic extrusion frame (17) is provided with a notch at the upper end, and the upper end of the telescopic elastic extrusion frame (17) is provided with arc-shaped extrusion protrusions (20) protruding upwards on both sides of the notch. The telescopic elastic extrusion frame (17) has toothed meshing sections (21) on both sides that are connected to the side limit tooth grooves (19). The telescopic elastic extrusion frame (17) is inserted into the inside of the side limit tooth grooves (19) through the toothed meshing sections (21) on both sides to be clamped and fixed to the top adjustment groove (18).

2. A flexible circuit board with a structurally adjustable shock-absorbing bracket according to claim 1, Its characteristics are: The two ends of the elastic second metal sheet (8) are provided with an integral second assembly plate (10), the top of the second assembly plate (10) is provided with an integral second limiting plate (11), the two sides of the elastic second metal sheet (8) are inserted into the interior of the middle limiting frame (6) through the second assembly plates (10) and are movably assembled with the metal assembly plates (5) inside the second rectangular assembly opening (3) and the third rectangular assembly opening (4), and strip-shaped lateral connection openings (12) are symmetrically provided on both sides of the interior of the elastic second metal sheet (8).

3. A flexible circuit board with a structurally adjustable shock-absorbing bracket according to claim 2, Its characteristics are: The top ends of both sides of the elastic first metal sheet (7) are provided with top first limiting plates (13), and the elastic first metal sheet (7) passes through the interior of the strip-shaped lateral connection opening (12) via the top first limiting plates (13) to be movably connected to the elastic second metal sheet (8).

4. A flexible circuit board with a structurally adjustable shock-absorbing bracket according to claim 1, Its characteristics are: The arc-shaped extrusion protrusion (20) is provided with an arc-shaped limit slot (22) inside, and the lower end of the elastic first metal sheet (7) is provided with an arc-shaped limit strip (23) matching the arc-shaped limit slot (22).

5. A flexible circuit board with a structurally adjustable shock-absorbing bracket according to claim 1, Its characteristics are: A circular assembly through hole is provided inside the elastic first metal sheet (7), and the lower end of the metal assembly plate (5) inside the first rectangular assembly opening (2) is inserted into the circular assembly through hole through a rivet and is clamped and fixed to the elastic first metal sheet (7).

6. A flexible circuit board with a structurally adjustable shock-absorbing bracket according to claim 1, Its characteristics are: The inner side wall of the assembly inner spiral tube (9) is provided with an annular extrusion groove with a built-in extrusion spring (24) at both end openings.

7. A flexible circuit board with a structurally adjustable shock-absorbing bracket according to claim 6, Its characteristics are: The bolt head (15) and the locking nut (16) are assembled near the inner wall of the inner screw tube (9) and an annular groove (25) is provided to match the extrusion spring (24).

Images