Fixed multilayer circuit board

Abstract

The utility model discloses a fixed multilayer circuit board, which comprises a left protective plate, a right protective plate, a back plate and a front fixing plate, the back plate is connected with the rear ends of the left protective plate and the right protective plate, the front fixing plate is fixed between the front ends of the left protective plate and the right protective plate through bolts, the left protective plate and the right protective plate are U-shaped, and partition plates are fixedly arranged in the left protective plate and the right protective plate. The inner space of the left protection plate and the inner space of the right protection plate are divided into a plurality of containing cavities through the partition plates, the upper bottom face and the lower bottom face in each containing cavity are each provided with an elastic fastening mechanism, a circuit board is movably arranged between the elastic fastening mechanisms in each containing cavity, the circuit board adopts the U-shaped left protection plate and the U-shaped right protection plate, and the partition plates are arranged in the U-shaped left protection plate and the U-shaped right protection plate. And the internal space is divided into a plurality of accommodating cavities. An elastic fastening mechanism is arranged in each containing cavity so as to enhance the damping and buffering capacity of the circuit board, and a silica gel pad is further fixedly arranged on the inner side of the front fixing plate so as to further enhance the shock resistance of the circuit board.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board devices, in particular to a fixed multilayer circuit board. Background Art

[0002] In the field of electronic equipment manufacturing, circuit boards are a core component used to support and connect electronic components and transmit electrical signals. Traditional circuit boards are usually rigid, and fixed multilayer circuit boards are a common type. They are composed of components such as left guard plates, right guard plates, back plates, and front fixed plates. These circuit boards are usually fixed in mechanical structures to provide support and connection functions for electronic components.

[0003] However, traditional fixed multilayer circuit boards have some defects. First, they usually use a rigid connection method, which means that when facing external impact or vibration, the circuit board's shock absorption and buffering capacity is insufficient, which can easily cause damage or failure of electronic components. Utility Model Content

[0004] The utility model provides a fixed multi-layer circuit board to solve the above-mentioned problems.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a fixed multi-layer circuit board, including a left guard plate, a right guard plate, a back plate and a front fixed plate, the back plate connects the rear ends of the left guard plate and the right guard plate, the front fixed plate is fixed between the front ends of the left guard plate and the right guard plate by bolts, the left guard plate and the right guard plate are both U-shaped and are fixedly provided with partitions inside, the partitions divide the internal space of the left guard plate and the right guard plate into a plurality of accommodating cavities, each accommodating cavity is provided with an elastic fastening mechanism on the upper and lower bottom surfaces, and a circuit board is movably provided between the elastic fastening mechanisms inside each accommodating cavity.

[0006] Furthermore, the elastic fastening mechanism includes a spring mechanism fixedly arranged on the upper and lower bottom surfaces inside the accommodating cavity, and an arc-shaped plate is fixedly arranged on the upper end of the spring mechanism.

[0007] Furthermore, the spring mechanism includes a cavity fixedly arranged on the upper and lower bottom surfaces inside the accommodating cavity, an insertion rod is movably connected to the other end of the cavity, a limit plate is fixedly arranged on one end of the insertion rod extending into the cavity, a spring is arranged between the limit plate and the bottom surface inside the cavity, and the other end of the insertion rod is fixedly connected to the arc plate.

[0008] Furthermore, a silicone pad is fixedly provided on the inner side surface of the front fixing plate.

[0009] Furthermore, a threading hole is provided on the back plate at a position corresponding to each circuit board.

[0010] Compared with the prior art, the utility model has the following advantages: the circuit board adopts U-shaped left and right guard plates, and a partition is arranged inside the U-shaped guard plates to divide the internal space into multiple accommodating chambers. An elastic fastening mechanism is arranged inside each accommodating chamber to enhance the shock absorption and buffering ability of the circuit board. In addition, a threading hole is arranged on the back plate to facilitate the wiring and connection of the circuit board. In addition, a silicone pad is fixed on the inner side of the front fixing plate to further enhance the shock resistance of the circuit board. Compared with the traditional design, this new fixed multi-layer circuit board has higher shock resistance and shock absorption and buffering performance, can effectively protect electronic components, extend the service life of electronic equipment, and improve the stability and reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a three-dimensional structure diagram of a fixed multi-layer circuit board of the utility model. Figure 1 .

[0012] Figure 2 This is a three-dimensional structure diagram of a fixed multi-layer circuit board of the utility model. Figure 2 .

[0013] Figure 3 This is a three-dimensional structure diagram of a fixed multi-layer circuit board of the utility model. Figure 3 .

[0014] Figure 4 The utility model is a main structural schematic diagram of a fixed multi-layer circuit board.

[0015] Figure 5 The utility model is a schematic diagram of the cross-sectional structure of a fixed multi-layer circuit board.

[0016] Figure 6 The utility model is a structural schematic diagram of a front fixing plate of a fixed multi-layer circuit board.

[0017] Figure 7 The utility model is a schematic diagram of the cross-sectional structure of a spring mechanism of a fixed multi-layer circuit board.

[0018] As shown in the figure: 1. Left guard plate; 2. Right guard plate; 3. Back plate; 4. Front fixing plate; 5. Partition plate; 6. Accommodating cavity; 7. Spring mechanism; 8. Arc plate; 9. Cavity; 10. Insert rod; 11. Limit plate; 12. Spring; 13. Circuit board; 14. Silicone pad; 15. Threading hole. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", "center", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction structure and operation. Therefore, they should not be understood as limitations on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "provided with", "installed", "connected", "connected" and the like 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, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Combined with Figure 1 To Attachment Figure 7 A fixed multilayer circuit board includes a left guard plate 1, a right guard plate 2, a back plate 3 and a front fixed plate 4. The back plate 3 connects the rear ends of the left guard plate 1 and the right guard plate 2. The front fixed plate 4 is fixed between the front ends of the left guard plate 1 and the right guard plate 2 by bolts. The left guard plate 1 and the right guard plate 2 are both U-shaped and are fixed with partitions 5 inside. The partitions 5 divide the internal space of the left guard plate 1 and the right guard plate 2 into a plurality of accommodating cavities 6. The upper and lower bottom surfaces of each accommodating cavity 6 are provided with elastic fastening mechanisms. A circuit board 13 is movably arranged between the elastic fastening mechanisms inside each accommodating cavity 6. A silicone pad 14 is fixedly arranged on the inner side of the front fixed plate 4. A threading hole 15 is provided on the back plate 3 at a position corresponding to each circuit board 13.

[0023] The elastic fastening mechanism includes a spring mechanism 7 fixedly arranged on the upper and lower bottom surfaces of the accommodating cavity 6, and an arc plate 8 is fixedly arranged on the upper end of the spring mechanism 7. The spring mechanism 7 includes a cavity 9 fixedly arranged on the upper and lower bottom surfaces of the accommodating cavity 6, and an insertion rod 10 is inserted and connected at the other end of the cavity 9, and a limit plate 11 is fixedly arranged at one end of the insertion rod 10 extending into the cavity 9, and a spring 12 is arranged between the limit plate 11 and the bottom surface of the cavity 9, and the other end of the insertion rod 10 is fixedly connected to the arc plate 8.

[0024] Specific implementation manner of the utility model: Before use, the circuit board 13 is inserted into the accommodating cavity 6 in sequence, and the circuit board 13 is inserted between the two arc-shaped plates 8. Under the action of the spring mechanism, the two arc-shaped plates 8 are close to each other and press the circuit board 13, and then the front fixing plate 4 is fixed between the front ends of the left guard plate 1 and the right guard plate 2 by bolts, and the silicone pad 14 squeezes the edge of the circuit board 13 to firmly fix the circuit board 13, and the line connection between the circuit board and the external device is carried out through the threading hole 15. When impacted, the elastic fastening mechanism and the silicone pad both play a buffering and shock-absorbing role to protect the circuit board.

[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A fixed multilayer circuit board, comprising a left guard plate (1), a right guard plate (2), a back plate (3) and a front fixing plate (4), wherein the back plate (3) connects the rear ends of the left guard plate (1) and the right guard plate (2), and the front fixing plate (4) is fixed between the front ends of the left guard plate (1) and the right guard plate (2) by bolts. Features: The left guard plate (1) and the right guard plate (2) are both U-shaped and are both fixedly provided with a partition plate (5) inside. The partition plate (5) divides the internal space of the left guard plate (1) and the right guard plate (2) into a plurality of accommodating chambers (6). The upper and lower bottom surfaces inside each accommodating chamber (6) are provided with elastic fastening mechanisms. A circuit board (13) is movably provided between the elastic fastening mechanisms inside each accommodating chamber (6).

2. A fixed multilayer circuit board according to claim 1, Features: The elastic fastening mechanism comprises a spring mechanism (7) fixedly arranged on the upper and lower bottom surfaces inside the accommodating cavity (6), and an arc-shaped plate (8) is fixedly arranged on the upper end of the spring mechanism (7).

3. A fixed multilayer circuit board according to claim 2, Features: The spring mechanism (7) comprises a cavity (9) fixedly arranged on the upper and lower bottom surfaces inside the accommodating cavity (6); an insertion rod (10) is movably connected to the other end of the cavity (9); a limit plate (11) is fixedly arranged on one end of the insertion rod (10) extending into the cavity (9); a spring (12) is arranged between the limit plate (11) and the bottom surface inside the cavity (9); and the other end of the insertion rod (10) is fixedly connected to the arc plate (8).

4. A fixed multilayer circuit board according to claim 1, Features: A silicone pad (14) is fixedly provided on the inner side surface of the front fixing plate (4).

5. A fixed multilayer circuit board according to claim 1, Features: The back plate (3) is provided with a threading hole (15) at a position corresponding to each circuit board (13).

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