Anti-static printed circuit board
By setting a fixed frame and contact plate on the outside of the circuit board main body, combining rubber strips and springs, the problems of easy damage to the edge of the circuit board and difficult to guide the static electricity are solved, and the dual effects of edge protection and electrostatic guidance are achieved.
Patent Information
- Application Number
- CN202422469983.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-10-12
AI Technical Summary
Existing circuit boards are susceptible to mechanical damage during use and are inconvenient to direct static electricity.
An anti-static printed circuit board is designed, and by providing a fixing frame on the outside of the circuit board main body, connecting the first and second contact plates on the inside, and fitting with rubber strips and springs, protecting the edges and guiding the static electricity.
Effectively protect the edges of the circuit board from mechanical damage, while effectively guiding static electricity to reduce the impact of static electricity on the circuit board.
Smart Images
Figure CN223274379U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit boards, in particular to an anti-static printed circuit board. Background Art
[0002] Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic integrated circuits. The design of printed circuit boards is mainly layout design. Printed circuit boards play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Printed circuit boards are the basis of almost any electronic product. The biggest influence on circuit boards is static electricity. Static electricity has a great impact on the operation of the integrated circuits on the circuit board.
[0003] While implementing this technical solution, at least the following drawbacks remain: while existing circuit boards offer antistatic properties, their edges are susceptible to mechanical damage, such as wear and scratches, during use. Furthermore, it is difficult to channel static electricity generated during use, necessitating urgent improvements. Therefore, we propose an antistatic printed circuit board. Utility Model Content
[0004] The purpose of the utility model is to provide an anti-static printed circuit board, which solves the problem raised in the background art that the edges of the circuit board are easily damaged by mechanical means during use, such as wear and scratches, and it is inconvenient to guide the static electricity generated during the use of the circuit board.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an anti-static printed circuit board, comprising a circuit board body, a fixing frame is provided on the outside of the circuit board body, a first contact plate is integrally connected to the lower end of the inner side of the fixing frame, a second contact plate is integrally connected to the upper end of the inner side of the fixing frame, a fixing block is provided at the lower end of the second contact plate, rubber strips are provided on all four sides of the outer side of the fixing frame, a accommodating cavity is provided on the outer side of the fixing frame, and slide grooves are provided on the upper and lower sides of the inner wall of the accommodating cavity, sliders are fixedly installed at both ends of the rubber strip, a spring is fixedly installed in the inner cavity of the slide groove, and the other end of the spring is fixedly connected to the slider.
[0006] By adopting the above technical solution, the edge of the circuit board body can be surrounded and protected by the fixing frame, and at the same time, the rubber strip on the fixing frame can play a buffering effect, thereby reducing the mechanical damage to the edge of the circuit board during use. The first contact plate and the second contact plate that are in contact with the circuit board body can cooperate to guide the static electricity of the circuit board body, and then guide the static electricity to the fixing frame through the first contact plate and the second contact plate, thereby reducing the impact of the static electricity on the circuit board body.
[0007] Optionally, the fixing blocks are distributed at equal distances, and the lower ends of the fixing blocks are in contact with the upper ends of the circuit board body.
[0008] By adopting the above technical solution and providing the fixing block, static electricity on the surface of the circuit board body can be guided to the second contact plate, thereby reducing the impact of static electricity on the circuit board body.
[0009] Optionally, the width of the first contact plate is greater than the width of the second contact plate, and the upper end of the first contact plate is in contact with the lower end of the circuit board body.
[0010] By adopting the above technical solution, the static electricity guiding effect of the first contact plate and the second contact plate is ensured.
[0011] Optionally, the size of the rubber strip is adapted to the size of the accommodating cavity, and the rubber strip is movably connected to the accommodating cavity.
[0012] By adopting the above technical solution and providing the rubber strip, the fixing frame can be buffered, thereby protecting the edge of the circuit board body.
[0013] Optionally, positioning holes are provided on all four sides of the fixing frame, and the positioning holes are symmetrically arranged.
[0014] By adopting the above technical solution and setting the positioning holes, the circuit board body can be installed and limited.
[0015] Optionally, the size of the slider is adapted to the size of the slide groove, and the slider is slidably connected to the slide groove.
[0016] By adopting the above technical solution, the sliding block cooperates with the sliding groove, thereby ensuring the stability of the movement of the rubber strip.
[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0018] The technical solution of the present application, through the provision of a circuit board main body, a fixed frame, a second contact plate, a fixed block, a accommodating cavity and a spring, can not only surround and protect the edge of the circuit board main body through the fixed frame, but also cooperate with the rubber strip on the fixed frame to achieve a buffering effect, thereby reducing the mechanical damage to the edge of the circuit board during use, but also cooperate with the first contact plate and the second contact plate that are in contact with the circuit board main body to guide the static electricity of the circuit board main body, and then guide the static electricity to the fixed frame through the first contact plate and the second contact plate, thereby reducing the impact of the static electricity on the circuit board main body. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:
[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of an anti-static printed circuit board of the utility model;
[0021] Figure 2 This is a schematic side cross-sectional structural diagram of an anti-static printed circuit board of the present invention;
[0022] Figure 3 This is a schematic diagram of the partially enlarged structure of point A of an anti-static printed circuit board of the present invention.
[0023] In the figure: 1. Circuit board body; 11. Fixing frame; 12. Positioning hole; 13. First contact plate; 14. Second contact plate; 15. Fixing block; 2. Rubber strip; 21. Accommodating cavity; 22. Slide groove; 23. Slider; 3. Spring. DETAILED DESCRIPTION
[0024] See also Figure 1-3 The utility model provides a technical solution: an anti-static printed circuit board, including a circuit board body 1, a fixed frame 11 is provided on the outside of the circuit board body 1, a first contact plate 13 is integrally connected to the lower end of the inner side of the fixed frame 11, a second contact plate 14 is integrally connected to the upper end of the inner side of the fixed frame 11, a fixed block 15 is provided at the lower end of the second contact plate 14, a rubber strip 2 is provided on all sides of the outer side of the fixed frame 11, a receiving cavity 21 is provided on the outer side of the fixed frame 11, a slide groove 22 is provided on the upper and lower sides of the inner wall of the receiving cavity 21, a slider 23 is fixedly installed at both ends of the rubber strip 2, a spring 3 is fixedly installed in the inner cavity of the slide groove 22, and the spring 3 is fixedly connected to the slider 23. The size of the rubber strip 2 is adapted to the size of the accommodating cavity 21, and the rubber strip 2 is movably connected to the accommodating cavity 21. Through the setting of the rubber strip 2, the fixing frame 11 can be buffered, thereby protecting the edge of the circuit board body 1. Positioning holes 12 are provided on all four sides of the fixing frame 11, and the positioning holes 12 are symmetrically arranged. Through the setting of the positioning holes 12, the circuit board body 1 can be installed and limited. The size of the slider 23 is adapted to the size of the slide groove 22, and the slider 23 is slidably connected to the slide groove 22. The slider 23 cooperates with the slide groove 22 to ensure the stability of the movement of the rubber strip 2.
[0025] The fixing blocks 15 are evenly spaced, and the lower ends of the fixing blocks 15 are in contact with the upper ends of the circuit board body 1. By setting the fixing blocks 15, static electricity on the surface of the circuit board body 1 can be guided to the second contact plate 14, thereby reducing the impact of static electricity on the circuit board body 1.
[0026] The width of the first contact plate 13 is greater than that of the second contact plate 14 , and the upper end of the first contact plate 13 is in contact with the lower end of the circuit board body 1 , thereby ensuring the static electricity guiding effect of the first contact plate 13 and the second contact plate 14 .
[0027] During use, the edges of the circuit board body 1 are surrounded and protected by the fixing frame 11, and the rubber strip 2 on the fixing frame 11 has a buffering effect, thereby reducing the mechanical damage to the edges of the circuit board during use. In addition, the first contact plate 13 and the second contact plate 14 that are in contact with the circuit board body 1 can cooperate to guide the static electricity of the circuit board body 1, and then guide the static electricity to the fixing frame 11 through the first contact plate 13 and the second contact plate 14, thereby reducing the impact of the static electricity on the circuit board body 1.
Claims
1. An anti-static printed circuit board, comprising a circuit board body (1), characterized in that: A fixed frame (11) is provided on the outside of the circuit board body (1), a first contact plate (13) is integrally connected to the inner lower end of the fixed frame (11), a second contact plate (14) is integrally connected to the inner upper end of the fixed frame (11), a fixed block (15) is provided at the lower end of the second contact plate (14), a rubber strip (2) is provided on all four sides of the outer side of the fixed frame (11), a receiving cavity (21) is provided on the outer side of the fixed frame (11), a slide groove (22) is provided on the upper and lower sides of the inner wall of the receiving cavity (21), sliders (23) are fixedly installed at both ends of the rubber strip (2), a spring (3) is fixedly installed in the inner cavity of the slide groove (22), and the other end of the spring (3) is fixedly connected to the slider (23).
2. The anti-static printed circuit board according to claim 1, wherein: The fixing blocks (15) are distributed at equal distances, and the lower ends of the fixing blocks (15) are in contact with the upper ends of the circuit board body (1).
3. The anti-static printed circuit board according to claim 1, wherein: The width of the first contact plate (13) is greater than the width of the second contact plate (14), and the upper end of the first contact plate (13) is in contact with the lower end of the circuit board body (1).
4. The anti-static printed circuit board according to claim 1, wherein: The size of the rubber strip (2) is adapted to the size of the accommodating cavity (21), and the rubber strip (2) is movably connected to the accommodating cavity (21).
5. The anti-static printed circuit board according to claim 1, wherein: Positioning holes (12) are provided on all four sides of the fixing frame (11), and the positioning holes (12) are symmetrically arranged.
6. The antistatic printed circuit board according to claim 1, wherein: The size of the slider (23) is adapted to the size of the slide groove (22), and the slider (23) is slidably connected to the slide groove (22).