Circuit board with high flexural strength
By installing and fixing strip reinforcing plates of anti-flexural material on the underside of the circuit board body, combined with rectangular frame and edge protection, the problem of insufficient anti-flexural strength of the circuit board is solved, achieving high anti-flexural strength and protection effect.
Patent Information
- Application Number
- CN202423244015.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing circuit boards are made of acrylic sheet material, which has low flexural strength, making them prone to bending and breakage during installation and use.
Multiple strip-shaped grooves are set on the lower side of the circuit board body to fix and install strip reinforcing plates. These plates are made of anti-flexural material and are fixedly connected by an adhesive layer. Rectangular frames and protective edges are fitted around the four side walls for protection.
It improves the flexural strength of the circuit board, avoids bending and breakage, protects the four sides from impact damage, and has a simple structure and is easy to manufacture.
Smart Images

Figure CN223744967U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical devices, specifically to a circuit board with high flexural strength. Background Technology
[0002] Circuit boards are named as follows: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed circuit board (copper etching technology), etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout.
[0003] Currently, circuit boards are generally made of acrylic sheet material during production, which has low flexural strength. As a result, they are prone to bending and breaking during installation and use. Therefore, a circuit board with high flexural strength is proposed. Utility Model Content
[0004] In view of the problems existing in the above-mentioned circuit boards, this utility model is proposed.
[0005] Therefore, the purpose of this utility model is to provide a circuit board with high flexural strength, which solves the problem that circuit boards are generally made of acrylic sheet material, which has low flexural strength, and thus are prone to bending and breaking during installation and use.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A high flexural strength circuit board includes a circuit board body, and a plurality of strip grooves are formed on the lower side of the circuit board body. A strip reinforcing plate is fixedly installed in each strip groove, and the strip reinforcing plate is made of flexural strength material.
[0008] Preferably, each of the strip reinforcing plates is wavy, and the end face width of each strip reinforcing plate is 0.8-1cm, and the thickness of each strip reinforcing plate is 0.2-0.3cm.
[0009] Preferably, each of the strip reinforcing plates is arranged in a zigzag shape, and the end face width of each strip reinforcing plate is 0.8-1cm, and the thickness of each strip reinforcing plate is 0.2-0.3cm.
[0010] Preferably, each of the strip grooves has an adhesive layer at its bottom, and the circuit board body is fixedly connected to the strip reinforcing plate through multiple adhesive layers.
[0011] Preferably, each of the strip reinforcing plates has a plurality of evenly distributed circular holes on its surface, and the diameter of each circular hole is 0.5 cm.
[0012] Preferably, the circuit board body has a rectangular frame fitted around its four sides. The rectangular frame is composed of four guards connected end to end. Each guard has a slot on its inner side, and the edge of the circuit board body can be inserted into the guard through the slot.
[0013] Preferably, the edge protector is made of rubber material, and the width of the slot is an interference fit with the thickness of the circuit board body.
[0014] The technical effects and advantages provided by this utility model in the above technical solution are as follows:
[0015] 1. This utility model strengthens the flexural strength of the circuit board body by setting multiple strip reinforcing plates, preventing the circuit board body from bending and breaking. In addition, the protective edges protect the four side plates of the circuit board body, preventing the four sides of the circuit board body from being damaged by collision. The structure is simple, easy to manufacture, and convenient for people to use. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0017] Figure 1 This is a side cross-sectional view of the present invention.
[0018] Figure 2 This is a schematic diagram of the rear structure of Embodiment 1 of this utility model;
[0019] Figure 3 This is a schematic diagram of the back structure of Embodiment 2 of this utility model.
[0020] Explanation of reference numerals in the attached figures:
[0021] 1. Circuit board body; 2. Strip reinforcement plate; 3. Adhesive layer; 4. Round hole; 5. Edge protection. Detailed Implementation
[0022] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0023] This utility model provides, for example Figure 1-3The circuit board shown includes a circuit board body 1, with multiple strip grooves on the lower side of the circuit board body 1. Each strip groove has a strip reinforcing plate 2 fixedly installed in it. The strip reinforcing plate 2 is made of a flexurally resistant material.
[0024] Example 1
[0025] like Figure 1 As shown, each strip reinforcing plate 2 is wavy, and the end face width of each strip reinforcing plate 2 is 0.8cm, and the thickness of each strip reinforcing plate 2 is 0.3cm. The flexural strength of the circuit board body 1 can be improved by using multiple wavy strip reinforcing plates 2.
[0026] Example 2
[0027] like Figure 2 As shown, each strip reinforcing plate 2 is arranged in a zigzag shape, and the end face width of each strip reinforcing plate 2 is 1cm, and the thickness of each strip reinforcing plate 2 is 0.2cm. The flexural strength of the circuit board body 1 can be improved by using multiple strip reinforcing plates 2 arranged in a zigzag shape.
[0028] like Figure 3 As shown, each strip groove has an adhesive layer 3 at its bottom. The circuit board body 1 is fixedly connected to the strip reinforcing plate 2 through multiple adhesive layers 3, which facilitates the fixed installation of the strip reinforcing plate 2 in the strip groove on the circuit board body 1, thereby achieving the effect of strengthening the flexural strength of the circuit board body 1.
[0029] Meanwhile, each strip reinforcing plate 2 has multiple evenly distributed circular holes 4 on its surface, each with a diameter of 0.5 cm, which can reduce the stress on the strip reinforcing plate 2 and improve its flexural strength.
[0030] like Figure 1 and Figure 2 As shown, the circuit board body 1 has rectangular frames fitted around its four sides. The rectangular frames are composed of four protective edges 5 connected end to end. Each protective edge 5 has a slot on its inner side. The edge of the circuit board body 1 can be inserted into the protective edge 5 through the slot. The protective edges 5 can protect the four sides of the circuit board body 1 and prevent the four sides of the circuit board body 1 from being damaged by collision.
[0031] In addition, the edge protector 5 is made of rubber material, and the width of the slot is interference-fitted with the thickness of the circuit board body 1, so that the four sides of the circuit board body 1 can be tightly inserted into the four edge protectors 5 respectively.
[0032] This utility model strengthens the flexural strength of the circuit board body 1 by setting multiple strip reinforcing plates 2, preventing the circuit board body 1 from bending and breaking. In addition, the protective edges 5 protect the four side plates of the circuit board body 1, preventing the four sides of the circuit board body 1 from being damaged by collision. The structure is simple, easy to manufacture, and convenient for people to use.
[0033] The above description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A circuit board having high flexural strength, comprising a circuit board main body (1), characterized by: The circuit board body (1) is provided with a plurality of strip-shaped grooves on the lower side, and each strip-shaped groove is fixedly provided with a strip-shaped reinforcing plate (2), wherein the strip-shaped reinforcing plate (2) is made of a bending-resistant material.
2. The high-flexural-strength wiring board according to claim 1, wherein: Each strip-shaped reinforcing plate (2) is in a wave shape, and the end face width of each strip-shaped reinforcing plate (2) is 0.8-1cm, and the thickness of each strip-shaped reinforcing plate (2) is 0.2-0.3cm.
3. The high-flexural strength wiring board according to claim 1, wherein: Each strip-shaped reinforcing plate (2) is in a wave shape, and the end face width of each strip-shaped reinforcing plate (2) is 0.8-1cm, and the thickness of each strip-shaped reinforcing plate (2) is 0.2-0.3cm.
4. The high-flexural strength wiring board according to claim 1, wherein: The bottom of each strip-shaped groove is provided with an adhesive layer (3), and the circuit board body (1) is fixedly connected with the strip-shaped reinforcing plate (2) through the adhesive layers (3).
5. The high-flexural strength wiring board according to claim 1, wherein: The surface of each strip-shaped reinforcing plate (2) is provided with a plurality of uniformly distributed circular holes (4), and the diameter of each circular hole (4) is 0.5cm.
6. The high-flexural strength wiring board according to claim 1, wherein: The circuit board body (1) is provided with a rectangular frame around the side wall, the rectangular frame is composed of four edge guards (5) connected end to end, the inner side of each edge guard (5) is provided with a slot, and the edge of the circuit board body (1) can be inserted into the edge guard (5) through the slot.
7. The high-flexural strength wiring board according to claim 6, wherein: The edge guard (5) is made of rubber material, and the width of the slot and the thickness of the circuit board body (1) are in interference fit.