Circuit board with anti-bending function
By setting up a multi-layer structure and protective layer at the bottom of the circuit board, the problem of insufficient bending resistance of traditional circuit boards is solved, and higher bending resistance and waterproof and sound insulation performance are achieved.
Patent Information
- Application Number
- CN202421234891.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-03
AI Technical Summary
Traditional circuit boards are prone to collapse and damage due to thin sheets and sharp edges and corners, and lack waterproof structure at the bottom.
A circuit board with anti-bending effect was designed. A protective plate, a compression plate, reinforcement strip, rounded corner sleeve, clamp strip and anti-bending rib were arranged at the bottom of the circuit board body to form a multi-layer structure to enhance bending resistance, and a waterproof layer and a sound insulation layer were provided on the U-shaped plate and the protective plate to provide additional protection.
It effectively improves the bending resistance of the circuit board, reduces the risk of damage during bending, and improves the waterproof and noise isolation performance of the circuit board through waterproof and sound insulation layers.
Smart Images

Figure CN222602663U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit boards, in particular to a circuit board with an anti-bending function. Background Art
[0002] Circuit board, also known as printed circuit board or printed circuit board, is the support of electronic components and the carrier of electrical connection of electronic components. Circuit board plays a vital role in the manufacture of electronic equipment. It makes the circuit miniaturized and intuitive, and plays an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Circuit board is an indispensable and important part of the electronics industry and has a significant impact on the performance and reliability of electronic equipment.
[0003] The structure of traditional circuit boards is relatively thin, and the thin board cannot provide good supporting performance, thereby reducing its anti-bending ability. At the same time, the corners of the circuit boards are relatively sharp, and no additional support is provided at the edges and under the components. The sharp angles are prone to stress concentration when bending. Therefore, after the top of the circuit board is subjected to external force, the circuit board will gradually collapse and be damaged. In addition, there is no waterproof structure at the bottom of the circuit board. Therefore, it is particularly important to design a circuit board with anti-bending function. Utility Model Content
[0004] The utility model aims to provide a circuit board with anti-bending function, so as to solve the problem in the above background technology that no additional support is provided for the edges and the bottom of the components, and sharp angles are prone to stress concentration when bending.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board with anti-bending function, comprising a circuit board body, a protective plate is arranged at the bottom of the circuit board body, two first rounded corner sleeves are arranged on both sides of the protective plate, a U-shaped plate is arranged at the bottom of the protective plate, a pressure-resistant plate is arranged at the bottom of the U-shaped plate, side plates are arranged on both sides of the pressure-resistant plate, two reinforcement plates are arranged at the top ends of the two side plates, a plurality of reinforcement ribs are arranged on the surface of the pressure-resistant plate, a second rounded corner sleeve is arranged at the top of the four first rounded corner sleeves, a clamping strip is arranged at the top of the four second rounded corner sleeves, and the four clamping strips are fixedly connected by two anti-bending ribs.
[0006] As a preferred technical solution of the utility model, surfaces of several reinforcing ribs are respectively fixedly connected to the bottom end of the U-shaped plate, and a plurality of heat dissipation grooves are provided on the surface of the pressure-resistant plate.
[0007] As a preferred technical solution of the utility model, the positions of the plurality of heat dissipation slots are arranged at equal intervals, and the thickness of the pressure-resistant plate is greater than the thickness of the U-shaped plate.
[0008] As a preferred technical solution of the utility model, one side of the four first rounded corner sleeves are respectively fixedly connected to the two sides of the circuit board body, the top of the four second rounded corner sleeves are provided with a clamping hole, and one end of the four clamping strips are respectively clamped and connected with the inside of the four clamping holes.
[0009] As a preferred technical solution of the present utility model, the areas of the four second rounded corner sleeves are all smaller than the areas of the four first rounded corner sleeves.
[0010] As a preferred technical solution of the utility model, the top ends of the four reinforcement plates are respectively fixedly connected to the bottom ends of the four first rounded corner sleeves, the surface of the protective plate is provided with a sound insulation layer, and the surface of the U-shaped plate is provided with a waterproof layer.
[0011] As a preferred technical solution of the utility model, the positions of two adjacent first rounded corner sleeves are corresponding, and the thickness of the protective plate is greater than the thickness of the U-shaped plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model discloses a circuit board with anti-bending function, which comprises a pressure-resistant plate, a reinforcing rib, a first rounded corner sleeve, a second rounded corner sleeve, a clamping strip, a reinforcing plate and anti-bending ribs. One ends of the four clamping strips are respectively embedded in the inside of the clamping holes and clamped therewith, so that the anti-bending ribs can cover the top of the circuit board body. The anti-bending ribs are made of spring steel material. Due to the high tensile strength and elastic modulus, the spring steel can withstand strong bending resistance, so it has an anti-bending effect on the circuit board body. The first rounded corner sleeve and the second rounded corner sleeve are used in combination, and the rounded corner design is adopted to disperse the stress and reduce the risk of damage to the circuit board body when it is bent. The reinforcing plate and the side plate are triangular in shape, which enhances the stability of the first rounded corner sleeve. The reinforcing ribs are evenly spaced on the surface of the pressure-resistant plate and are made of stainless steel, so they have good toughness and hardness, and good bending resistance, so they can enhance the anti-deformation ability of the circuit board body.
[0014] 2. The utility model discloses a circuit board with anti-bending function. By arranging a U-shaped plate, a protective plate, a waterproof layer and a sound insulation layer, the heat dissipation groove can achieve the effect of heat dissipation and ventilation. The U-shaped plate is made of PVC plate, has excellent waterproof, moisture-proof and mildew-proof properties, and can support the bottom of the circuit board body to prevent the bottom surface of the circuit board body from getting damp. The waterproof layer is made of polyvinyl chloride and has a waterproof effect, which strengthens the waterproof performance of the U-shaped plate. The sound insulation layer is made of sound insulation cotton material, has the dual functions of sound absorption and sound insulation, can effectively reduce noise interference, and improves the ease of use of the circuit board body during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1This is a front view structural schematic diagram of the utility model;
[0016] Figure 2 For the utility model Figure 1 The enlarged view of point A in the middle;
[0017] Figure 3 It is a partial exploded view of the utility model;
[0018] Figure 4 It is a partial front view structural schematic diagram of the utility model.
[0019] In the figure: 1. Circuit board body; 2. Pressure-resistant plate; 3. Side plate; 4. Heat dissipation groove; 5. Reinforcement ribs; 6. Reinforcement plate; 7. U-shaped plate; 8. Protective plate; 9. First rounded corner sleeve; 10. Second rounded corner sleeve; 11. Clamp hole; 12. Clamp strip; 13. Anti-bending ribs; 14. Waterproof layer; 15. Sound insulation layer. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4 The utility model provides a technical solution for a circuit board with anti-bending function:
[0022] Embodiment 1:
[0023] like Figure 1-3 As shown, a circuit board with anti-bending function includes a circuit board body 1, a protective plate 8 is arranged at the bottom of the circuit board body 1, two first rounded corner sleeves 9 are arranged on both sides of the protective plate 8, a U-shaped plate 7 is arranged at the bottom of the protective plate 8, a pressure-resistant plate 2 is arranged at the bottom of the U-shaped plate 7, side plates 3 are arranged on both sides of the pressure-resistant plate 2, two reinforcing plates 6 are arranged at the top of the two side plates 3, a plurality of reinforcing ribs 5 are arranged on the surface of the pressure-resistant plate 2, a second rounded corner sleeve 10 is arranged at the top of the four first rounded corner sleeves 9, a clamping strip 12 is arranged at the top of the four second rounded corner sleeves 10, and the four clamping strips 12 are fixedly connected by two anti-bending ribs 13. The anti-bending ribs 13 are made of spring steel material. Due to its high tensile strength and elastic modulus, spring steel can withstand strong bending resistance, so it has an anti-bending effect on the circuit board body 1. The first rounded corner sleeve 9 and the second rounded corner sleeve 10 are used in combination, and the rounded corner design is adopted to disperse stress and reduce the risk of damage to the circuit board body 1 when it is bent.
[0024] Embodiment 2:
[0025] Based on the first embodiment, Figure 1 and Figure 4 As shown, one side of the four first rounded corner sleeves 9 is respectively fixedly connected to the two sides of the circuit board body 1, the tops of the four second rounded corner sleeves 10 are each provided with a clamping hole 11, one end of the four clamping strips 12 is respectively clamped and connected with the inside of the four clamping holes 11, the tops of the four reinforcement plates 6 are respectively fixedly connected to the bottom ends of the four first rounded corner sleeves 9, the surface of the protective plate 8 is provided with a sound insulation layer 15, and the surface of the U-shaped plate 7 is provided with a waterproof layer 14. The utility model provides a circuit board with anti-bending function. By arranging the U-shaped plate 7, the protective plate 8, the waterproof layer 14 and the sound insulation layer 15, the heat dissipation groove 4 can achieve the effect of heat dissipation and ventilation. The U-shaped plate 7 is made of PVC board, has excellent waterproof, moisture-proof and mildew-proof properties, and can support the bottom of the circuit board body 1 to prevent the bottom surface of the circuit board body 1 from getting damp. The waterproof layer 14 is made of polyvinyl chloride.
[0026] Working principle: Circuit board, also known as printed circuit board, is the support body of electronic components and the carrier of electrical connection of electronic components. Circuit board plays a vital role in the manufacture of electronic equipment. It makes the circuit miniaturized and intuitive, and plays an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Circuit board is an indispensable and important part of the electronics industry and has an important impact on the performance and reliability of electronic equipment. One end of the four card strips 12 is respectively embedded in the interior of the card hole 11 and engaged with it, so that the anti-bending ribs 13 can be covered on the top of the circuit board body 1. The anti-bending ribs 13 are made of spring steel material. Due to its high tensile strength and elastic modulus, spring steel can withstand strong bending resistance, so it has an anti-bending effect on the circuit board body 1. The two anti-bending ribs 13 can replace the top of the circuit board body 1 to contact with external force. The anti-bending ribs 13 can provide additional mechanical protection. The first rounded corner sleeve 9 and the second rounded corner sleeve 10 are used in combination to The corners of the circuit board body 1 are wrapped, and the first rounded corner sleeve 9 and the second rounded corner sleeve 10 are both designed with rounded corners, which can disperse stress and reduce the risk of damage to the circuit board body 1 when it is bent. The reinforcing plate 6 and the side plate 3 are triangular in shape, which enhances the stability of the first rounded corner sleeve 9. The reinforcing ribs 5 are evenly distributed on the surface of the pressure-resistant plate 2 and are made of stainless steel. They have good toughness and hardness and good bending resistance, so they can enhance the deformation resistance of the circuit board body 1. The heat dissipation groove 4 can achieve the effect of heat dissipation and ventilation. The U-shaped plate 7 is made of PVC board, which has excellent waterproof, moisture-proof and mildew-proof properties, and can support the bottom of the circuit board body 1 to prevent the bottom surface of the circuit board body 1 from getting damp. The waterproof layer 14 is made of polyvinyl chloride, which has a waterproof effect and enhances the waterproof performance of the U-shaped plate 7. The sound insulation layer 15 is a sound insulation cotton material with the dual functions of sound absorption and sound insulation, which can effectively reduce noise interference and improve the ease of use of the circuit board body 1 during use.
[0027] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0028] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A circuit board with anti-bending function, comprising a circuit board body (1), characterized in that: A protective plate (8) is provided at the bottom of the circuit board body (1), two first rounded corner sleeves (9) are provided on both sides of the protective plate (8), a U-shaped plate (7) is provided at the bottom of the protective plate (8), a pressure-resistant plate (2) is provided at the bottom of the U-shaped plate (7), side plates (3) are provided on both sides of the pressure-resistant plate (2), two reinforcing plates (6) are provided at the top of the two side plates (3), a plurality of reinforcing ribs (5) are provided on the surface of the pressure-resistant plate (2), a second rounded corner sleeve (10) is provided at the top of the four first rounded corner sleeves (9), a clamping strip (12) is provided at the top of the four second rounded corner sleeves (10), and the four clamping strips (12) are fixedly connected by two anti-bending ribs (13).
2. A circuit board with anti-bending function according to claim 1, characterized in that: The surfaces of the plurality of reinforcing ribs (5) are respectively fixedly connected to the bottom ends of the U-shaped plates (7), and the surface of the pressure-resistant plates (2) is provided with a plurality of heat dissipation grooves (4).
3. A circuit board with anti-bending function according to claim 2, characterized in that: The positions where the plurality of heat dissipation slots (4) are arranged are all arranged at equal intervals, and the thickness of the pressure-resistant plate (2) is greater than the thickness of the U-shaped plate (7).
4. The circuit board with anti-bending function according to claim 1, characterized in that: One side of the four first rounded corner sleeves (9) is fixedly connected to the two sides of the circuit board body (1), and the tops of the four second rounded corner sleeves (10) are each provided with a clamping hole (11), and one end of the four clamping strips (12) is respectively clamped and connected to the inside of the four clamping holes (11).
5. A circuit board with anti-bending function according to claim 4, characterized in that: The areas of the four second rounded corner sleeves (10) are all smaller than the areas of the four first rounded corner sleeves (9).
6. The circuit board with anti-bending function according to claim 1, characterized in that: The top ends of the four reinforcing plates (6) are respectively fixedly connected to the bottom ends of the four first rounded corner sleeves (9); the surface of the protective plate (8) is provided with a sound insulation layer (15); and the surface of the U-shaped plate (7) is provided with a waterproof layer (14).
7. A circuit board with anti-bending function according to claim 6, characterized in that: The positions of two adjacent first rounded corner sleeves (9) are corresponding to each other, and the thickness of the protective plate (8) is greater than the thickness of the U-shaped plate (7).