Stable printed circuit board

Through the design of the connecting columns and bolts between the protective device and the fixing device, the bolt wear problem caused by vibration of the printed circuit board is solved, and the stable installation and dust protection effect is achieved, which improves the working stability of the circuit board.

CN223274368UActive Publication Date: 2025-08-26GRANDWORK ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422442265.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-08-26
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

When installing components, existing printed circuit boards are prone to wear of bolts due to vibration, affecting the internal circuits of the circuit board and reducing working stability.

Method used

The protective device and the fixing device are removably connected through connecting columns and bolts, combining the sliding body and fixing groove design to provide stable installation and dustproofing.

Benefits of technology

It improves the working stability and fixing reliability of the circuit board, prevents the sliding body from wear due to vibration, and extends the service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223274368U_ABST
    Figure CN223274368U_ABST
Patent Text Reader

Abstract

The utility model provides a stable printed circuit board, and relates to the field of printed circuit boards, the stable printed circuit board comprises a circuit board main body, a protection device and two groups of fixing devices, fixing bodies on the two groups of fixing devices are adjusted to proper fixing positions, and the two groups of fixing devices are pushed towards the direction of the circuit board main body, so that the circuit board main body is fixed. When the fixing device is in contact with the circuit board main body, the protection device is pushed towards the direction of the circuit board main body, the protection device and the fixing device are fixed by using a plurality of bolts at the same time, and then the connecting column penetrates through the surface of the protection device to be connected with the internal sliding body. The protection device is matched with the connecting columns to provide a good dustproof effect and a good fixing effect on the circuit board so that the circuit board main body can be stably installed, the fixing device provides adjustable physical stable support for the circuit board main body, and the working stability of the circuit mainboard is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of printed circuit boards, in particular to a stable printed circuit board. Background Art

[0002] Printed circuit boards, or PCBs for short, are a crucial component of electronic devices. They provide a platform for mounting and connecting electronic components, allowing them to be combined according to the designed circuit layout. In a computer motherboard, various chips, resistors, capacitors, and other components are mounted on the PCB, communicating with each other through their circuits, achieving electrical connections in the circuits and ensuring accurate and stable transmission of current and signals.

[0003] Nowadays, most of the mounting components of printed circuit boards use fixed mounting frames and bolts to install and fix the circuit boards. Vibrations often occur during the production process. The bolt connections are prone to wear after a long time, and may even damage the circuits inside the circuit board, reducing the working stability of the circuit board.

[0004] Therefore, it is necessary to provide a new stable printed circuit board to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a stable printed circuit board.

[0006] The utility model provides a stable printed circuit board comprising: a circuit board body, a protective device, and two sets of fixing devices, wherein the protective device and the two sets of fixing devices are detachably connected via two connecting columns and a plurality of bolts, the two sets of fixing devices are arranged opposite to each other, the circuit board body is located between the two sets of fixing devices, and a fixing groove is formed on one side surface of each set of fixing devices, and the two ends of the circuit board body are respectively located inside the fixing grooves;

[0007] The fixing device includes a fixing component and a sliding body. A sliding groove is provided inside the fixing component for the sliding body to move. The sliding body is located inside the sliding groove and slides along the inner wall of the sliding groove. A connecting groove matching the thickness of the circuit board body is provided on one side surface of the sliding body, and one end of the circuit board body is located inside the connecting groove.

[0008] Preferably, the fixing component includes a slide rail and two fixed blocks, both ends of the slide rail are fixedly connected to one side of the two fixed blocks, the slide groove is located on the surface of the slide rail, and one end of the sliding body is located inside the slide groove, the fixed grooves are located on the surfaces of the two fixed blocks, and one side of the circuit board body is located inside the fixed groove.

[0009] Preferably, a connection hole matching the cross section of the connection column is opened on one side surface of the sliding body.

[0010] Preferably, a plurality of heat dissipation holes having the same size as the connection holes are equidistantly provided on both side surfaces of the protective device, and a plurality of wire combing openings are provided on both sides of the protective device.

[0011] Preferably, the connecting column passes through the surface of the protective device and extends into the interior of the protective device, and one end of the connecting column is detachably connected to the sliding body, and the cross section of one end of the connecting column fits with the inner wall of the connecting hole.

[0012] Preferably, a through-slot connecting piece is fixedly provided on one side of the fixing block.

[0013] Compared with the related art, the stability of the printed circuit board provided by the present invention has the following advantages:

[0014] Beneficial effects:

[0015] When stably installing the circuit board, first adjust the fixing bodies on the two sets of fixing devices to appropriate fixing positions, push the two sets of fixing devices toward the circuit board body, and when the fixing devices are in contact with the circuit board body, push the protective device toward the circuit board body, and use multiple bolts to fix the protective device and the fixing device at the same time, and then pass the connecting column through the surface of the protective device to connect with the internal sliding body. Through the linkage between the above components, the protective device cooperates with the connecting column to provide good dustproof and fixing effects for the circuit board, thereby completing the stable installation of the circuit board body. The fixing device provides adjustable physical and stable support for the circuit board body, thereby improving the working stability of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the overall structure of a stable printed circuit board provided by the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the circuit board body and the fixing device provided by the utility model;

[0018] Figure 3 A schematic diagram of the overall structure of the protective device and the fixing device provided by the utility model;

[0019] Figure 4 A schematic diagram of the overall structure of the protective device and the fixing device provided by the utility model from another perspective;

[0020] Figure 5 A schematic diagram of the overall structure of the fixing device provided by the utility model;

[0021] Figure 6This is a schematic diagram of the overall structure of the fixing device provided by the utility model from another perspective;

[0022] Figure 7 This is a schematic diagram of the overall structure of the sliding body and connecting column provided by the utility model.

[0023] Numbers in the figure: 1. Circuit board body; 2. Protective device; 3. Fixing device; 4. Bolt; 5. Fixing groove; 6. Fixing member; 7. Sliding body; 8. Slide groove; 9. Connecting groove; 10. Slide rail; 11. Fixing block; 12. Connecting hole; 13. Heat dissipation hole; 14. Wire combing port; 15. Connecting column; 16. Through-slot connecting piece. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 as well as Figure 7 ,in, Figure 1 A schematic diagram of the overall structure of a stable printed circuit board provided by the utility model; Figure 2 This is a schematic diagram of the overall structure of the circuit board body and the fixing device provided by the utility model; Figure 3 A schematic diagram of the overall structure of the protective device and the fixing device provided by the utility model; Figure 4 A schematic diagram of the overall structure of the protective device and the fixing device provided by the utility model from another perspective; Figure 5 A schematic diagram of the overall structure of the fixing device provided by the utility model; Figure 6 This is a schematic diagram of the overall structure of the fixing device provided by the utility model from another perspective; Figure 7 This is a schematic diagram of the overall structure of the sliding body and connecting column provided by the utility model.

[0026] In the specific implementation process, Figure 1-Figure 7 As shown, the present invention provides a stable printed circuit board, including a circuit board body 1, a protective device 2 and two sets of fixing devices 3. The protective device 2 and the two sets of fixing devices 3 are detachably connected by two connecting columns 15 and a plurality of bolts 4. The two sets of fixing devices 3 are arranged opposite each other, and the circuit board body 1 is located between the two sets of fixing devices 3. A fixing groove 5 is formed on one side surface of each set of fixing devices 3, and the two ends of the circuit board body 1 are respectively located inside the fixing groove 5.

[0027] The fixing device 3 includes a fixing member 6 and a sliding body 7. The fixing member 6 has a sliding groove 8 for the sliding body 7 to move. The sliding body 7 is located in the sliding groove 8 and slides along the inner wall of the sliding groove 8. A connecting groove 9 that matches the thickness of the circuit board body 1 is formed on one side of the sliding body 7. One end of the circuit board body 1 is located in the connecting groove 9.

[0028] It should be noted that the fixing groove 5 and the connecting groove 9 have the same size and can both be engaged and fixed with the surface of the circuit board body 1 .

[0029] The fixing component 6 includes a slide rail 10 and two fixed blocks 11. The two ends of the slide rail 10 are fixedly connected to one side of the two fixed blocks 11 respectively. The slide groove 8 is located on the surface of the slide rail 10, and one end of the sliding body 7 is located inside the slide groove 8. The fixed grooves 5 are respectively located on the surfaces of the two fixed blocks 11, and one side of the circuit board body 1 is located inside the fixed groove 5.

[0030] A connecting hole 12 is provided on one side of the sliding body 7 to match the cross section of the connecting column 15;

[0031] It should be noted that the connecting hole 12 is used to connect and install with the connecting column 15 to prevent the sliding body 7 from moving due to vibration generated during operation, and to prevent the sliding body 7 from contacting the electronic components on the circuit board body 1, causing wear and reducing the service life of the circuit board body 1.

[0032] Multiple heat dissipation holes 13 of the same size as the connection holes 12 are equidistantly provided on both sides of the protective device 2, and multiple wire combing openings 14 are provided on both sides of the protective device 2;

[0033] It should be noted that the connection hole 12 and the heat dissipation hole 13 have the same size and both can allow the connection column 15 to pass through and be detachably connected to the connection hole 12 .

[0034] The connecting post 15 passes through the surface of the protective device 2 and extends into the interior of the protective device 2. One end of the connecting post 15 is detachably connected to the sliding body 7. The cross section of one end of the connecting post 15 fits with the inner wall of the connecting hole 12.

[0035] It should be noted that the detachable connection between the protective device 2 and the sliding body 7 is a bolt 4 connection.

[0036] A through-slot connecting piece 16 is fixedly provided on one side of the fixing block 11;

[0037] It should be noted that the through-slot connecting piece 16 can be easily adapted to different installation environments, so that the circuit board body 1 can be installed in different installation positions and installation media.

[0038] The working principle provided by the utility model is as follows:

[0039] When stably installing the circuit board, first slide the sliding bodies 7 on the two sets of fixing devices 3 inside the slide grooves 8 and adjust them to suitable fixed positions, push the two sets of fixing devices 3 toward the circuit board main body 1, and when the circuit board main body 1 contacts the connecting grooves 9 and the fixing grooves 5, push the fixing devices 3 toward the circuit board main body 1. When the fixing devices 3 are flush with the bottom of the protective device 2, use multiple bolts 4 to fix the protective device 2 and the fixing devices 3, and at the same time use the connecting columns 15 to pass through the heat dissipation holes 13 and the connecting holes 12 opened on the surface of the sliding body 7 to connect with the bolts 4, thereby completing the stable installation of the circuit board main body 1.

[0040] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A stable printed circuit board, characterized in that: include: A circuit board body (1), a protective device (2) and two groups of fixing devices (3), wherein the protective device (2) and the two groups of fixing devices (3) are detachably connected via two connecting columns (15) and a plurality of bolts (4), the two groups of fixing devices (3) are arranged opposite to each other, the circuit board body (1) is located between the two groups of fixing devices (3), a fixing groove (5) is provided on one side surface of the two groups of fixing devices (3), and both ends of the circuit board body (1) are respectively located inside the fixing groove (5); The fixing device (3) includes a fixing component (6) and a sliding body (7); a sliding groove (8) is provided inside the fixing component (6) for the sliding body (7) to move; the sliding body (7) is located inside the sliding groove (8) and slides along the inner wall of the sliding groove (8); a connecting groove (9) matching the thickness of the circuit board body (1) is provided on one side surface of the sliding body (7); and one end of the circuit board body (1) is located inside the connecting groove (9).

2. The stable printed circuit board according to claim 1, characterized in that: The fixing member (6) includes a slide rail (10) and two fixing blocks (11), the two ends of the slide rail (10) are fixedly connected to one side of the two fixing blocks (11), the slide groove (8) is located on the surface of the slide rail (10), and one end of the sliding body (7) is located inside the slide groove (8), the fixing groove (5) is located on the surface of the two fixing blocks (11), and one side of the circuit board body (1) is located inside the fixing groove (5).

3. The stable printed circuit board according to claim 2, characterized in that: A connection hole (12) matching the cross section of the connection column (15) is provided on one side surface of the sliding body (7).

4. The stable printed circuit board according to claim 3, characterized in that: Multiple heat dissipation holes (13) with the same size as the connection holes (12) are equidistantly provided on both sides of the protective device (2), and multiple wire combing openings (14) are provided on both sides of the protective device (2).

5. The stable printed circuit board according to claim 4, characterized in that: The connecting column (15) passes through the surface of the protective device (2) and extends into the interior of the protective device (2), and one end of the connecting column (15) is detachably connected to the sliding body (7), and the cross section of one end of the connecting column (15) is in contact with the inner wall of the connecting hole (12).

6. The stable printed circuit board according to claim 5, characterized in that: A through-slot connecting piece (16) is fixedly provided on one side of the fixing block (11).