Spliced circuit board

Abstract

The utility model provides a splicing type circuit board, which comprises a cover plate, a fastening assembly, a first circuit board, a second circuit board and a limiting assembly, a plurality of heat dissipation copper columns are arranged above the cover plate in a penetrating manner, a threaded column is arranged below an abutting plate, a knob is arranged above the abutting plate, and the left side and the right side of the first circuit board are respectively provided with a butt joint protruding part. The left side and the right side of the second circuit board are provided with butt joint grooves respectively, sliding blocks are symmetrically installed on the annular side face of the installation column, a spring is installed at the right end of the installation column, and a telescopic plate is slidably installed in the front side of the adjusting rod. Compared with the prior art, the circuit board heat dissipation structure has the advantages that the structure is reasonable, the practicability is good, the circuit boards can be conveniently and quickly disassembled and assembled, the disassembly and assembly efficiency is improved, the heat dissipation effect on the circuit boards is improved, and the convenience in maintenance is enhanced.

Description

Technical Field

[0001] The utility model relates to a spliced circuit board, belonging to the technical field of circuit boards. Background Art

[0002] Circuit boards are the basis of electronic circuits. After designing the circuit schematic, the electronic circuit board is made, and after debugging, the formal printed circuit board is made. When installing the circuit board, sometimes two or more sets of circuit boards need to be assembled together to form a whole circuit board.

[0003] Patent No.: CN219698006U, mentions a spliced circuit board, which can quickly install and fix the first circuit board and the second circuit board through the combination groove and the combination strip, and can quickly install and fix the upper cover plate and the lower cover plate with the first circuit board and the second circuit board through the fastening knob and the transfer groove. However, when this device is used to split the circuit boards, it is inconvenient to let the limit head disengage from the limit groove, which makes splitting inconvenient, and the heat dissipation is general, and the practicality needs to be improved. Now there is an urgent need for a spliced circuit board to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a spliced circuit board to solve the problems raised in the above-mentioned background technology. The present invention has a reasonable structure and good practicality. It is not only convenient for quick disassembly and assembly between circuit boards, thereby improving the disassembly and assembly efficiency, but also improves the heat dissipation effect of the circuit board and enhances the convenience during maintenance.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a spliced circuit board, including a cover plate, a fastening assembly, a first circuit board, a second circuit board and a limit assembly, a plurality of heat dissipation copper columns are installed through the top of the cover plate, the fastening assembly includes a threaded column, a butt plate and a knob, the threaded column is installed below the butt plate, the knob is installed above the butt plate, the left and right sides of the first circuit board are respectively provided with docking protrusions, the left and right sides of the second circuit board are respectively provided with docking grooves, the limit assembly includes a mounting column, an adjusting rod and a spring, a slider is symmetrically installed on the annular side of the mounting column, the spring is installed on the right end of the mounting column, a telescopic plate is slidably installed inside the front side of the adjusting rod, the adjusting rod is fixedly connected to the mounting column, and a ball bearing is installed in the left groove of the mounting column.

[0006] Furthermore, heat dissipation silicone sheets are respectively installed under the plurality of heat dissipation copper columns, and heat dissipation copper covers are respectively fixedly installed above the plurality of heat dissipation copper columns.

[0007] Further, square grooves are symmetrically formed on the front side of the first circuit board. Second limiting holes are symmetrically formed inside the first circuit board and penetrate through the butt joint protrusion. Slide grooves are respectively formed on the upper and lower sides of the two second limiting holes, and the two second limiting holes are respectively communicated with the two square grooves.

[0008] Further, there are two cover plates, and socket holes are respectively formed through the corners of the two cover plates.

[0009] Further, butt joints are respectively arranged on the left and right sides of the second circuit board. First limiting holes are symmetrically formed inside the second circuit board, and the two first limiting holes respectively penetrate through the two butt joints. Double-layer columns are respectively installed at the front and rear ends of the upper left side of the second circuit board and the front and rear ends of the upper right side of the first circuit board, and threaded holes are respectively formed above the multiple double-layer columns.

[0010] Further, there are multiple fastening components and two limiting components. Two springs are respectively installed on the inner walls of the two second limiting holes. Multiple sliders are respectively slidably connected with the multiple slide grooves. Two adjusting rods are respectively located in the two square grooves, and the protruding parts on the upper and lower sides of the two adjusting rods are respectively slidably connected with the upper and lower inner walls of the two square grooves.

[0011] Advantages of the present utility model: A splicing type circuit board of the present utility model. Due to the addition of a cover plate, a square groove, a heat dissipation copper cover, a heat dissipation copper column, a spring, a ball and a mounting column in the present utility model, through our design improvement and actual use, it shows that the device has a reasonable structure and good practicability. It is not only convenient for quickly disassembling and assembling between circuit boards, improving the disassembly and assembly efficiency, but also improving the heat dissipation effect of the circuit board and enhancing the convenience during maintenance. Description of the Drawings

[0012] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes and advantages of the present utility model will become more obvious:

[0013] Figure 1 It is a three-dimensional schematic diagram of the overall structure of a splicing type circuit board of the present utility model;

[0014] Figure 2 It is a three-dimensional schematic diagram of the cross-sectional structure of the first circuit board of a splicing type circuit board of the present utility model;

[0015] Figure 3 It is a three-dimensional enlarged schematic diagram of the structure at A of a splicing type circuit board of the present utility model; Figure 1 of the present utility model;

[0016] Figure 4 It is a three-dimensional schematic diagram of the fastening component structure of a splicing type circuit board of the present utility model;

[0017] Figure 5 It is a three-dimensional schematic diagram of a cover plate structure of a spliced circuit board of the utility model;

[0018] Figure 6 It is a three-dimensional schematic diagram of the structure of a limit assembly of a spliced circuit board of the utility model;

[0019] Figure 7 It is a three-dimensional schematic diagram of the second circuit board structure of a spliced circuit board of the utility model;

[0020] Figure 8 The utility model is a three-dimensional schematic diagram of a first circuit board structure of a spliced circuit board.

[0021] In the figure: 1-cover plate, 2-fastening assembly, 3-first circuit board, 4-square groove, 5-second circuit board, 6-docking groove, 7-docking protrusion, 8-heat dissipation copper cover, 9-double-layer column, 10-threaded column, 11-butt plate, 12-knob, 13-sleeve hole, 14-heat dissipation copper column, 15-heat dissipation silicone sheet, 16-threaded hole, 17-first limiting hole, 18-limiting assembly, 19-second limiting hole, 20-slide groove, 180-mounting column, 181-adjusting rod, 182-slider, 183-spring, 184-ball, 185-telescopic plate. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figures 1-8 The utility model provides a technical solution: a spliced circuit board, including a cover plate 1, a fastening assembly 2, a first circuit board 3, a second circuit board 5 and a limit assembly 18, a plurality of heat dissipation copper columns 14 are installed on the cover plate 1, the fastening assembly 2 includes a threaded column 10, a plate 11 and a knob 12, the threaded column 10 is installed below the plate 11, the knob 12 is installed above the plate 11, the left and right sides of the first circuit board 3 are respectively provided with docking protrusions 7, the left and right sides of the second circuit board 5 are respectively provided with docking grooves 6, the limit assembly 18 includes The mounting column 180, the adjusting rod 181 and the spring 183, the slider 182 is symmetrically installed on the annular side of the mounting column 180, the spring 183 is installed on the right end of the mounting column 180, the telescopic plate 185 is slidably installed on the front side of the adjusting rod 181, the adjusting rod 181 is fixedly connected to the mounting column 180, and the ball 184 is installed in the groove on the left side of the mounting column 180. This design solves the problem that when the original device is disassembled between circuit boards, it is inconvenient to let the limit head disengage from the limit groove, which makes disassembly inconvenient, and the heat dissipation is average and the practicality needs to be improved.

[0024] As the first embodiment of the present utility model: heat dissipation silica gel sheets 15 are respectively installed below multiple heat dissipation copper columns 14, and heat dissipation copper covers 8 are respectively and fixedly installed above the multiple heat dissipation copper columns 14. By providing the heat dissipation copper covers 8, the heat dissipation copper columns 14 and the heat dissipation silica gel sheets 15, it is convenient to dissipate heat from the first circuit board 3 and the second circuit board 5. Square grooves 4 are symmetrically formed on the front side of the first circuit board 3, and second limiting holes 19 are symmetrically formed inside the first circuit board 3 and penetrate through the docking protrusion 7. Chutes 20 are respectively formed on the upper and lower sides of the two second limiting holes 19, and the two second limiting holes 19 are respectively communicated with the two square grooves 4. By communicating the two second limiting holes 19 with the two square grooves 4 respectively, it is convenient to control the limiting component 18.

[0025] There are two cover plates 1, and socket holes 13 are respectively penetrated through the corners of the two cover plates 1. By providing a plurality of socket holes 13, it is convenient to be socketed with a plurality of double-layer columns 9. Docking grooves 6 are respectively provided on the left and right sides of the second circuit board 5, and first limiting holes 17 are symmetrically formed inside the second circuit board 5, and the two first limiting holes 17 respectively penetrate through the two docking grooves 6. Double-layer columns 9 are respectively installed at the front and rear ends of the upper left side and the front and rear ends of the upper right side of the second circuit board 5 and the first circuit board 3. Threaded holes 16 are respectively formed above the plurality of double-layer columns 9. By providing threaded holes 16 above the plurality of double-layer columns 9 respectively, it is convenient to install the fastening component 2. There are a plurality of fastening components 2 and two limiting components 18. Two springs 183 are respectively installed on the inner walls of the two second limiting holes 19, and a plurality of sliders 182 are respectively slidably connected with the plurality of chutes 20. Two adjusting rods 181 are respectively located in the two square grooves 4, and the protruding parts on the upper and lower sides of the two adjusting rods 181 are respectively slidably connected with the upper and lower inner walls of the two square grooves 4. By slidably connecting the protruding parts on the upper and lower sides of the two adjusting rods 181 with the upper and lower inner walls of the two square grooves 4 respectively, it is convenient to improve the stability of the two adjusting rods 181 when moving.

[0026] As the second embodiment of the present utility model: during use, first align and insert the docking protrusion 7 on the left side of the first circuit board 3 with the docking groove 6 on the right side of the second circuit board 5, then stretch the telescopic plate 185 on the left side of the first circuit board 3 and push it to the right, so that the mounting post 181 moves to the right along the sliding groove 20, and the spring 183 is compressed. After the docking protrusion 7 on the left side of the first circuit board 3 is docked with the docking groove 6 on the right side of the second circuit board 5, release the telescopic plate 185, the spring 183 rebounds and resets, and the mounting post 181 enters the first limiting hole 17, then the first circuit board 3 and the second circuit board 5 can be locked and limited. Then, connect the two cover plates 1 with the multiple double-layer columns 9 through the multiple socket holes 13 and install them on the upper and lower sides of the splicing body of the first circuit board 3 and the second circuit board 5 respectively. The multiple heat dissipation silica gel sheets 15 are in contact with the splicing body of the first circuit board 3 and the second circuit board 5, and then through the cooperation of the heat dissipation copper cover 8 and the heat dissipation copper column 14, heat dissipation is carried out on the first circuit board 3 and the second circuit board 5. Then, turn multiple knobs 12 to screw the multiple threaded columns 10 with the multiple threaded holes 16, so that the multiple pressing plates 11 are in contact with the surfaces of the two cover plates 1 to increase the stability of the two cover plates 1. When it is necessary to disassemble the first circuit board 3 and the second circuit board 5, push the telescopic plate 185 to the right to make the mounting post 181 disengage from the first limiting hole 17, and then separate the docking protrusion 7 from the docking groove 6.

[0027] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0028] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A spliced circuit board, comprising a cover plate (1), a fastening assembly (2), a first circuit board (3), a second circuit board (5) and a limiting assembly (18), characterized in that: Above the cover plate (1), a plurality of heat dissipation copper columns (14) are installed through. The fastening assembly (2) includes a threaded column (10), a pressing plate (11) and a knob (12). The threaded column (10) is installed below the pressing plate (11), and the knob (12) is installed above the pressing plate (11). Docking protrusions (7) are respectively arranged on the left and right sides of the first circuit board (3), and docking grooves (6) are respectively arranged on the left and right sides of the second circuit board (5); The limiting assembly (18) includes a mounting column (180), an adjusting rod (181) and a spring (183). Sliders (182) are symmetrically installed on the circumferential side of the mounting column (180). The spring (183) is installed at the right end of the mounting column (180). A telescopic plate (185) is slidably installed inside the front side of the adjusting rod (181). The adjusting rod (181) is fixedly connected to the mounting column (180). A ball (184) is installed in the left groove of the mounting column (180).

2. The splicing circuit board according to claim 1, wherein: Below each of the plurality of heat dissipation copper columns (14), heat dissipation silica gel sheets (15) are respectively installed, and above each of the plurality of heat dissipation copper columns (14), heat dissipation copper covers (8) are fixedly installed.

3. The spliced circuit board according to claim 1, characterized in that: Square grooves (4) are symmetrically formed in the front side of the first circuit board (3). Second limiting holes (19) are symmetrically formed inside the first circuit board (3) and penetrate through the docking protrusions (7). Chutes (20) are respectively formed on the upper and lower sides of the two second limiting holes (19), and the two second limiting holes (19) are respectively communicated with the two square grooves (4).

4. The spliced circuit board according to claim 1, wherein: There are two cover plates (1), and socket holes (13) are respectively formed through the corners of the two cover plates (1).

5. A spliced circuit board according to claim 1, characterized in that: Docking grooves (6) are respectively arranged on the left and right sides of the second circuit board (5). First limiting holes (17) are symmetrically formed inside the second circuit board (5), and the two first limiting holes (17) respectively penetrate through the two docking grooves (6). Double-layer columns (9) are respectively installed at the front and rear ends of the upper left side and the upper right side of the second circuit board (5) and the first circuit board (3). Threaded holes (16) are respectively formed above the plurality of double-layer columns (9).

6. The spliced circuit board according to claim 1, wherein: A plurality of the fastening assemblies (2) are provided, and two of the limiting assemblies (18) are provided. The two springs (183) are respectively installed on the inner walls of the two second limiting holes (19). The plurality of sliders (182) are respectively slidably connected with the plurality of chutes (20). The two adjusting rods (181) are respectively located in the two square grooves (4), and the protruding parts on the upper and lower sides of the two adjusting rods (181) are respectively slidably connected with the upper and lower inner walls of the two square grooves (4).

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