Case convenient for fixing circuit board

Abstract

The utility model discloses a case convenient for fixing a circuit board, which comprises a case body, clamping plates, fixing plates, cantilevers and supporting blocks, the fixing plates are oppositely arranged on the two sides of the inner wall of the case body, the cantilevers are distributed below the fixing plates at intervals, the outer ends of the cantilevers horizontally extend to the outer sides of the fixing plates, and the supporting blocks are arranged on the clamping plates. The fixing plate is provided with a positioning pin penetrating through the inner end of the cantilever downwards, the clamping plate is arranged below the fixing plate and the cantilever, the fixing plate is provided with a first screw connected with the clamping plate, the supporting block is arranged on the cantilever, and the circuit board is arranged on the supporting block. And a second screw connected with the supporting block is arranged on the circuit board. According to the case convenient for fixing the circuit board, the cantilevers and the clamping plates are specially designed, the cantilevers can swing, the positions of the supporting blocks can be changed so as to adapt to mounting hole sites in the circuit board, the cantilevers are fixed after swing adjustment through the clamping plates, and operation simplicity and convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chassis, in particular to a chassis which is convenient for fixing a circuit board. Background Art

[0002] In order to protect the circuit board, it is necessary to install the circuit board in a corresponding chassis to protect it from rain and dust to improve safety in use.

[0003] In the chassis, fixed mounting holes are usually designed, and only the corresponding circuit boards can be installed. If the mounting holes on the circuit board are misaligned with the mounting holes in the chassis, the circuit board cannot be installed smoothly. The chassis needs to be replaced or mounting holes need to be added. The operation is cumbersome and needs to be improved. Utility Model Content

[0004] The utility model aims to provide a chassis which is convenient for fixing a circuit board, so as to install the circuit board and improve the adaptability to the installation holes on the circuit board.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A chassis for fixing a circuit board, comprising: a box body, a clamping plate, a fixing plate, a cantilever and a support block, wherein the fixing plates are relatively arranged on both sides of the inner wall of the box body, the cantilevers are spaced below the fixing plates, and the outer ends of the cantilevers extend horizontally to the outside of the fixing plates, the fixing plates are provided with locating pins that penetrate downwardly through the inner ends of the cantilevers, the clamping plate is arranged below the fixing plate and the cantilever, the fixing plate is provided with a first screw connected to the clamping plate, the support block is arranged on the cantilever, the circuit board is arranged on the support block, and the circuit board is provided with a second screw connected to the support block.

[0007] Wherein, the fixing plate is an L-shaped bent plate.

[0008] Wherein, the clamping plate is provided with a first threaded hole corresponding to the first screw, and the supporting block is provided with a second threaded hole corresponding to the second screw.

[0009] Wherein, a third screw connected to the support block is arranged at the bottom of the cantilever.

[0010] Wherein, the cantilever is provided with a waist hole corresponding to the third screw and extending along the length direction of the cantilever.

[0011] Wherein, a third threaded hole corresponding to the third screw is arranged at the bottom of the support block.

[0012] Wherein, the positioning pin adopts a stepped shaft structure.

[0013] The beneficial effects of the utility model are as follows: a chassis which is convenient for fixing a circuit board, with specially designed cantilevers and clamps, the cantilever can be swung, the position of the support block can be changed to adapt to the installation hole position on the circuit board, and the clamp can be used to fix the cantilever after multiple swing adjustments, thereby improving the ease of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 yes Figure 1 Top view of the fixing plate, cantilever and support block. DETAILED DESCRIPTION

[0016] Combine the following Figure 1~Figure 2 The technical solution of the utility model is further illustrated by specific embodiments.

[0017] like Figure 1 The chassis shown in the figure is convenient for fixing the circuit board and is used for installing the circuit board 10, and includes: a box body 1, a clamping plate 6, a fixing plate 2, a cantilever 9 and a support block 8. The fixing plates 2 are relatively arranged on both sides of the inner wall of the box body 1. In this embodiment, the fixing plates 2 are L-shaped bent plates, which can be welded or fixed to the inner wall of the box body 1 by screws.

[0018] The cantilevers 9 are spaced apart below the fixed plate 2, and the outer ends of the cantilevers 9 extend horizontally to the outside of the fixed plate 2. The fixed plate 2 is provided with positioning pins 3 that penetrate downward through the inner ends of the cantilevers 9. In the present embodiment, the positioning pins 3 adopt a stepped shaft structure, which can prevent the positioning pins 3 from moving downward and falling off, and facilitates assembly.

[0019] The clamping plate 6 is arranged below the fixing plate 2 and the cantilever 9. The fixing plate 2 is provided with a first screw 4 connected to the clamping plate 6. In the present embodiment, the clamping plate 6 is provided with a first threaded hole corresponding to the first screw 4, which is convenient for installation. Moreover, the clamping plate 6 can be used to clamp and fix multiple cantilevers 9 after swinging and adjustment, thereby improving the ease of operation.

[0020] The support block 8 is arranged on the cantilever 9, the circuit board 10 is arranged on the support block 9, and the circuit board 10 is provided with a second screw 5 connected with the support block 8 to fix the circuit board 10. Figure 2 As shown, the support block 8 is provided with a second threaded hole 12 corresponding to the second screw 5, which facilitates assembly.

[0021] In order to fix the support block 8, a third screw 7 connected to the support block 8 is provided at the bottom of the cantilever 9. In this embodiment, a third threaded hole corresponding to the third screw 7 is provided at the bottom of the support block 8 for easy disassembly.

[0022] like Figure 2 As shown, a waist hole 11 corresponding to the third screw 7 and extending along the length direction of the cantilever 9 is provided on the cantilever 9, so as to facilitate the adjustment of the third screw 7 and the support block 8 along the length direction of the cantilever 9 and the fixation after adjustment, and the swing adjustment of the cantilever 9 to adapt to the installation hole position of the second screw 5 on the circuit board 10.

[0023] In addition, 1 to 3 cantilevers 9 can be arranged under each fixed plate 2. By swinging the cantilever 9, the position of the support block 8 can be adjusted to adapt to multiple installation holes on different circuit boards, and the application range is wide.

[0024] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A chassis that facilitates the fixing of a circuit board, used for installing the circuit board, characterized in that: include: A box body, a splint, a fixing plate, a cantilever and a support block, wherein the fixing plates are relatively arranged on both sides of the inner wall of the box body, the cantilevers are spaced below the fixing plates, and the outer ends of the cantilevers extend horizontally to the outside of the fixing plates, the fixing plates are provided with positioning pins that penetrate downwardly through the inner ends of the cantilevers, the splint is arranged below the fixing plate and the cantilever, the fixing plate is provided with a first screw connected to the splint, the support block is arranged on the cantilever, the circuit board is arranged on the support block, and the circuit board is provided with a second screw connected to the support block.

2. The chassis for facilitating fixing of a circuit board according to claim 1, characterized in that: The fixing plate is an L-shaped bent plate.

3. The chassis for facilitating fixing of a circuit board according to claim 1, characterized in that: The clamping plate is provided with a first threaded hole corresponding to the first screw, and the supporting block is provided with a second threaded hole corresponding to the second screw.

4. The chassis for facilitating fixing of a circuit board according to claim 1, characterized in that: A third screw connected to the support block is arranged at the bottom of the cantilever.

5. The chassis for facilitating fixing of a circuit board according to claim 4, characterized in that: The cantilever is provided with a waist hole corresponding to the third screw and extending along the length direction of the cantilever.

6. The chassis for facilitating fixing of a circuit board according to claim 4, characterized in that: The bottom of the support block is provided with a third threaded hole corresponding to the third screw.

7. The chassis for facilitating fixing of a circuit board according to claim 1, characterized in that: The positioning pin adopts a stepped shaft structure.

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