Circuit board convenient to combine and install

Abstract

The utility model provides a circuit board convenient to combine and install, which belongs to the technical field of circuit boards, and comprises a substrate, the upper surface of which is provided with at least one pasting groove; the shape of the side wall of the detachable function plate is in clearance fit with the inner contour of the pasting groove, and the detachable function plate can be inserted into or pulled out of the pasting groove in the vertical direction; each group of elastic locking assemblies comprises a clamping groove formed in the side wall of the detachable function plate; the mounting cavity is formed in the side wall of the pasting groove, and a fixing block capable of horizontally sliding is arranged in the mounting cavity; the compression spring is connected with the fixing block and the bottom wall of the mounting cavity and pushes the fixing block to partially protrude out of the inner wall of the attaching groove in a normal state; the moving groove penetrates through the upper surface of the base plate, and the push block connected with the top of the fixing block is exposed out of the moving groove. A traditional welding mode is replaced by the elastic locking assembly, the fixing efficiency of the dismounting plate is improved, and the situation that sparks fall to the dismounting plate during welding, and consequently the dismounting plate is damaged is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circuit board technical field, concretely relates to a circuit board convenient to combine installation. BACKGROUND

[0002] As the core component of electronic equipment, the design and manufacturing technology of circuit board are also constantly progressing. However, the existing circuit board still has some problems in installation and disassembly, which limits the maintenance and upgrade efficiency of electronic equipment.

[0003] The installation mode of the circuit board is mostly fixed by welding, which needs high-temperature disassembly for maintenance, and is easy to damage the surrounding components. According to statistics, the return repair damage rate is as high as 23%. Moreover, this fixing mode makes the modularization degree of the circuit board lower, and often needs to redesign the whole circuit board when expanding the function, which prolongs the development cycle

[0004] In view of the above problems, the patent proposes a circuit board structure convenient to install and disassemble, which makes the installation and disassembly of the circuit board more convenient through modular design. CONTENT OF UTILITY MODEL

[0005] The utility model discloses a kind of circuit boards convenient to combine installation, to solve the problem that the positioning and fixed of component in the installation of disassembly board in prior art is more troublesome by welding installation, affects the installation efficiency of disassembly board.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of circuit board convenient to combine installation, comprising:

[0008] Substrate, at least one pasting groove is opened in its upper surface;

[0009] Detachable function board, the clearance fit is formed between the shape of its side wall and the inner profile of the pasting groove, and the detachable function board can be inserted or pulled out of the pasting groove in vertical direction;

[0010] Two groups of symmetrically arranged elastic locking components, each group includes:

[0011] Clamping groove opened in the side wall of detachable function board;

[0012] Installation cavity provided in the side wall of pasting groove, with horizontally slidable fixing block in its interior;

[0013] Compression spring connecting fixing block and the bottom wall of installation cavity, pushing fixing block part to protrude from the inner wall of pasting groove in normal state;

[0014] The moving groove is arranged through the upper surface of the substrate, and the exposed push block at the top of the fixed block is exposed to the moving groove; when the detachable functional plate is completely inserted into the sticking groove, the fixed block is embedded into the clamping groove under the action of the spring to form mechanical interlocking.

[0015] As a preferred scheme of the utility model, the side inner wall of the moving groove is provided with a sealing groove, and the side end of the push block is fixedly connected with a sealing plate, and the sealing plate slides in the sealing groove.

[0016] As a preferred scheme of the utility model, the side inner wall of the sticking groove is fixedly connected with a sealing pad, and the contact pressure generated when the compression deformation amount of the sealing pad is 15-25% is 5-8 N / cm 2 .

[0017] As a preferred scheme of the utility model, the lower inner wall of the sticking groove is provided with a pad groove, and the lower inner wall of the pad groove is fixedly connected with a plurality of gaskets.

[0018] As a preferred scheme of the utility model, the two side ends of the dismounting plate are respectively fixedly connected with a grabbing block, and the surface of the grabbing block is provided with an anti-skid pattern, and the pattern depth is 0.2-0.5 mm.

[0019] As a preferred scheme of the utility model, the side inner wall of the pad groove is provided with a plurality of inclined heat dissipation holes, the hole axis and the horizontal plane form an included angle of 30-45°, and the hole diameter is 1.5-2.5 mm.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] 1、In the scheme, the inner wall of the mounting cavity is matched with the fixed block through the device, so that the fixed block does not shake after being clamped into the clamping groove, the stability of the dismounting plate is ensured, the elastic locking assembly is used to replace the traditional welding mode, the efficiency of fixing the dismounting plate is improved, the maintenance personnel can quickly complete the dismounting and replacement of the faulty circuit board without complex tools, the replacement module time is greatly shortened, and the maintenance cost and time loss are greatly reduced.

[0022] 2、In the scheme, the device is used, the dismounting plate is padded by the gasket to avoid excessive force caused by extrusion of the dismounting plate, when the dismounting plate needs to be dismounted, the dismounting plate is slightly popped out of the sticking groove by the gasket that is previously extruded, and the dismounting plate is convenient to take out. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model. In the drawings:

[0024] Figure 1 It is the structure perspective view of the utility model.

[0025] Figure 2 It is the first structure section view explosion map in the utility model;

[0026] Figure 3 It is the second structure section view explosion map in the utility model;

[0027] Figure 4 It is the second structure section view explosion map in the utility model; Figure 3 It is the second structure section view explosion map in the utility model;

[0028] In the figure: 1, base plate; 2, sticking groove; 3, detachable plate; 4, clamping groove; 5, installation cavity; 6, fixed block; 7, spring; 8, moving groove; 9, push block; 10, sealing groove; 11, sealing plate; 12, sealing gasket; 14, gasket; 15, grabbing block; 16, inclined heat dissipation hole; 17, pad groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] EMBODIMENT

[0031] Please refer to Figures 1-4 The utility model provides the following technical schemes:

[0032] A circuit board convenient to combine and install, comprising:

[0033] The base plate 1 is provided with at least one sticking groove 2 on the upper surface;

[0034] The detachable functional plate 3 is provided with a clamping groove 4 on the side wall, and the installation cavity 5 is arranged on the side wall of the sticking groove 2, wherein the installation cavity 5 is internally provided with a horizontally-slidable fixed block 6;

[0035] Two groups of symmetrical elastic locking assemblies, each group comprising:

[0036] The clamping groove 4 is arranged on the side wall of the detachable functional plate 3;

[0037] The installation cavity 5 is arranged on the side wall of the sticking groove 2, wherein the installation cavity 5 is internally provided with a horizontally-slidable fixed block 6;

[0038] The compression spring 7 is connected between the fixed block 6 and the bottom wall of the installation cavity 5, and normally pushes the part of the fixed block 6 protruding out of the inner wall of the sticking groove 2;

[0039] The moving groove 8 is arranged through the upper surface of the substrate 1, and the push block 9 connected to the top of the fixed block 6 is exposed to the moving groove; when the detachable functional plate 3 is completely inserted into the sticking groove 2, the fixed block 6 is embedded into the clamping groove 4 under the action of the spring 7, thereby forming mechanical interlocking.

[0040] In the embodiment of the utility model, the sticking groove 2 is arranged in the substrate 1 for mounting the detachable plate 3, and the detachable plate 3 is matched with the shape of the sticking groove 2 to make the detachable plate 3 more firm after being mounted in the sticking groove 2; when the detachable plate 3 needs to be mounted, the detachable plate 3 is aligned with the upper end of the sticking groove 2 and then pressed down, at this time, the detachable plate 3 extrudes the upper end of the fixed block 6, the contact surface of the fixed block 6 and the detachable plate 3 is a circumferential surface, the fixed block 6 is pushed to slide into the mounting cavity 5 when the detachable plate 3 extrudes the fixed block 6 to make the detachable plate 3 continue to move downward, the fixed block 6 extrudes the plurality of springs 7 when sliding to contract, after the detachable plate 3 is completely clamped into the sticking groove 2, the clamping groove 4 also slides to the fixed block 6, the fixed block 6 is pushed to slide back to the original position by the spring 7 extruded to contract to push the fixed block 6 into the clamping groove 4 to fix the detachable plate 3, the fixed block 6 is matched with the inner wall of the mounting cavity 5, so that the fixed block 6 will not shake after being clamped into the clamping groove 4 to ensure the stability of the detachable plate 3, when the detachable plate 3 needs to be dismounted, the fixed block 6 is pulled out of the clamping groove 4 by pulling the push block 9 to the both sides to release the fixing of the detachable plate 3, and then the detachable plate 3 is taken out from the sticking groove 2, the elastic locking assembly is used to replace the traditional welding mode, the efficiency of fixing the detachable plate 3 is improved, and the damage of the detachable plate 3 caused by sparks falling on the detachable plate 3 during welding is avoided.

[0041] For details, see Figures 1-4 One side inner wall of the moving groove 8 is provided with a sealing groove 10, one side end of the push block 9 is fixedly connected with a sealing plate 11, and the sealing plate 11 slides in the sealing groove 10.

[0042] In the embodiment, the sealing plate 11 fixed to the side end of the push block 9 slides in the sealing groove 10 to limit the sliding of the push block 9, so that the moving groove 8 will not deviate, and the upper opening of the moving groove 8 is sealed by the sealing plate 11 to avoid dust falling into the mounting cavity 5 and the sticking groove 2, and causing poor contact of the detachable plate 3.

[0043] For details, see Figures 1-4 The side inner wall of the sticking groove 2 is fixedly connected with a sealing gasket 12.

[0044] In the embodiment, the sealing gasket 12 is arranged around the sticking groove 2, and after the detachable plate 3 is completely inserted into the sticking groove 2, the sealing gasket 12 contacts the detachable plate 3 to seal the gap between the sticking groove 2 and the detachable plate 3, so that external dust or water vapor cannot fall into the sticking groove 2.

[0045] For details, see Figures 1-4The lower inner wall of the sticking groove 2 is provided with a gasket groove 17, and the lower inner wall of the gasket groove 17 is fixedly connected with a plurality of gaskets 14.

[0046] In the embodiment, the gasket groove 17 is arranged in the sticking groove 2, the upper end of the gasket 14 slightly exposes the gasket groove 17, when the dismounting plate 3 is inserted into the sticking groove 2, the dismounting plate 3 extrudes the gasket 14 to be contracted, and the dismounting plate 3 is supported by the gasket 14 to avoid the dismounting plate 3 from being damaged due to excessive extrusion, when the dismounting plate 3 needs to be dismounted, the gasket 14 previously extruded slightly pops out the dismounting plate 3 from the sticking groove 2, and the dismounting plate 3 is conveniently taken out.

[0047] For details, please refer to Figures 1-4 The two side ends of the dismounting plate 3 are fixedly connected with grabbing blocks 15.

[0048] In the embodiment, the grabbing blocks 15 are arranged on the two sides of the dismounting plate 3, when the dismounting plate 3 needs to be fixed, the grabbing blocks 15 can be extruded to insert the dismounting plate 3 into the sticking groove 2, so that the dismounting plate 3 is not directly extruded to cause the damage of elements in the dismounting plate 3, and when the dismounting plate 3 needs to be taken out, the two grabbing blocks 15 can be buckled to take out the dismounting plate 3.

[0049] For details, please refer to Figures 1-4 The side inner wall of the gasket groove 17 is provided with a plurality of inclined heat dissipation holes 16.

[0050] In the embodiment, the inclined heat dissipation holes 16 are arranged in the gasket groove 17 and communicate with the outside of the base plate 1, and the gasket groove 17 forms a ventilation space at the lower end of the dismounting plate 3 to dissipate heat when the dismounting plate 3 operates.

[0051] When the dismounting plate 3 needs to be installed, the dismounting plate 3 is aligned with the upper end of the sticking groove 2 and then the dismounting plate 3 is pressed down, at this time, the dismounting plate 3 extrudes the upper end of the fixing block 6, the contact surface between the fixing block 6 and the dismounting plate 3 is a circumferential surface, the dismounting plate 3 pushes the fixing block 6 to slide into the mounting cavity 5 to make the dismounting plate 3 continue to move downward when the dismounting plate 3 extrudes the upper end of the fixing block 6, the fixing block 6 extrudes a plurality of springs 7 to be contracted when the fixing block 6 slides, after the dismounting plate 3 is completely clamped into the sticking groove 2, the clamping groove 4 also slides to the fixing block 6, the fixing block 6 is pushed back to the original position by the extruded and contracted spring 7 to push the fixing block 6 into the clamping groove 4 to fix the dismounting plate 3, the fixing block 6 is attached to the inner wall of the mounting cavity 5, so that the fixing block 6 does not shake after being clamped into the clamping groove 4 to ensure the stability of the dismounting plate 3, when the dismounting plate 3 needs to be dismounted, the fixing block 6 is pulled out of the clamping groove 4 by pulling the pushing block 9 to the two sides to release the fixing of the dismounting plate 3, and then the dismounting plate 3 is taken out from the sticking groove 2, the elastic locking assembly is used to replace the traditional welding mode, the efficiency of fixing the dismounting plate 3 is improved, and the damage of the dismounting plate 3 caused by sparks falling on the dismounting plate 3 during welding is avoided.

[0052] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A circuit board facilitating combined installation, characterized by: The utility model relates to a detachable functional board, which comprises a substrate (1) with at least one adhesive groove (2) on its upper surface, a detachable functional board (3) with a side wall shape that matches the inner contour of the adhesive groove (2) and can be inserted or pulled out of the adhesive groove (2) in a vertical direction, two sets of symmetrically arranged elastic locking components, each set comprising a clamping groove (4) on the side wall of the detachable functional board (3), a mounting cavity (5) on the side wall of the adhesive groove (2) with a horizontally slidable fixing block (6) inside, a compression spring (7) connecting the fixing block (6) and the bottom wall of the mounting cavity (5) and pushing the fixing block (6) partially out of the inner wall of the adhesive groove (2) in a normal state, a moving groove (8) through the upper surface of the substrate (1) with a push block (9) on the top of the fixing block (6) exposed to the moving groove, and the fixing block (6) embedded in the clamping groove (4) to form mechanical interlocking when the detachable functional board (3) is completely inserted into the adhesive groove (2) under the action of the spring (7). One side of the inner wall of the moving groove (8) is provided with a sealing groove (10), one side of the push block (9) is fixedly connected with a sealing plate (11), and the sealing plate (11) slides in the sealing groove (10). The side inner wall of the adhesive groove (2) is fixedly connected with a sealing gasket (12), which generates a contact pressure of 5-8 N / cm2 when the compression deformation amount is 15-25%. The lower inner wall of the adhesive groove (2) is provided with a gasket groove (17), and the lower inner wall of the gasket groove (17) is fixedly connected with a plurality of gaskets (14). The two side ends of the detachable functional board (3) are respectively fixedly connected with a grabbing block (15), and the surface of the grabbing block (15) is provided with anti-skid lines with a depth of 0.2-0.5 mm. The side inner wall of the gasket groove (17) is provided with a plurality of inclined heat dissipation holes (16) with a hole axis and a horizontal plane at an angle of 30-45° and a hole diameter of 1.5-2.5 mm. ​ ​ 2. The circuit board of claim 1, wherein: ​ 3. The circuit board of claim 2, wherein: ​ 4. The circuit board of claim 3, wherein: ​ 5. The circuit board of claim 4, wherein: ​ 6. The circuit board of claim 5, wherein: ​

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