Bending-resistant circuit board

Abstract

The utility model discloses a bending-resistant circuit board, and aims to provide a bending-resistant circuit board which is easy to disassemble and install. The circuit board comprises a circuit board, an edge wrapping frame, a sealing strip and an upper cover plate, the cross section of the edge wrapping frame is in a U shape, the edge wrapping frame corresponds to the side face of the circuit board, the sealing strip corresponds to one side face of the circuit board, the two ends of the sealing strip are detachably connected with the two ends of the edge wrapping frame, and the upper cover plate is arranged on the edge wrapping frame. And the upper cover plate is arranged on the sealing strip and is rotationally connected with the sealing strip. The utility model has the beneficial effects of easy disassembly and installation, convenient connection with the circuit board, convenient installation of the sealing strip, convenient fixation of the sealing strip, convenient protection of the side surface of the circuit board, and facilitation of heat dissipation of the circuit board.

Description

Technical Field

[0001] The utility model relates to the technical field related to circuit boards, in particular to a circuit board that is resistant to bending. Background Art

[0002] Circuit boards are mainly composed of pads, vias, mounting holes, wires, components, connectors, filling, electrical boundaries, 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. Existing circuit boards basically have a certain degree of anti-bending performance, but existing circuit boards still have a certain risk of being broken in some extreme cases. Most existing circuit boards are welded with ribs during production to improve the anti-bending performance. This anti-bending method is easy to damage the circuit board and is not easy to disassemble.

[0003] China Patent Authorization Announcement No.: CN218483016U, Authorization Announcement Date: February 14, 2023, discloses a bending-resistant double-sided circuit board, including a circuit board body, characterized in that: the surface of the circuit board body is provided with an anti-bending structure, the anti-bending structure includes two hard plates, the vertical cross-section of the hard plate is "U"-shaped, the inner wall of the hard plate is slidably connected to the circuit board body, the hard plate is a stainless steel plate, the upper surface of the hard plate is fixedly connected to two fixed plates, the fixed plate is rotatably connected with a clamping ring, the circuit board body is fixedly connected with a rectangular plate relative to the position of the clamping ring, the clamping ring is slidably connected to both sides of the rectangular plate, and the two hard plates are fixedly connected to one side close to the fixed plate with two cylindrical blocks, the four cylindrical blocks are grouped in pairs, and the arc surfaces of the two groups of cylindrical blocks are slidably connected with a connecting plate. The disadvantage of this utility model is that the protective component of the circuit board is fixed on the protective plate, which is easy to damage the circuit board, and it is not easy to disassemble for scenes that do not require protection. Utility Model Content

[0004] The utility model aims to overcome the defect in the prior art that the protective component is fixed on the circuit board and is not easy to disassemble, and provides a bending-resistant circuit board which is easy to disassemble and install.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A bending-resistant circuit board comprises a circuit board, a frame, a closing strip and an upper cover plate, wherein the cross-section of the frame is U-shaped, the frame corresponds to the side of the circuit board, the closing strip corresponds to one side of the circuit board, the two ends of the closing strip are detachably connected to the two ends of the frame, and the upper cover plate is mounted on the closing strip and rotatably connected to the closing strip.

[0007] Three sides of the circuit board correspond to the frame, and the three sides of the circuit board are wrapped for protection. The other side is closed by a closing strip, and the closing strip is detachably connected to the frame. This connection method facilitates the removal of the frame and the closing strip, which ensures protection for the circuit board while being easy to disassemble and install. It is also beneficial to the inspection and other actions of the circuit board. At the same time, the upper cover plates are installed on both sides to protect the two sides of the circuit board, which can better protect the circuit board and achieve the purpose of easy disassembly and installation.

[0008] Preferably, the frame includes a bottom edge and a side edge, two side edges are provided and are respectively installed on both sides of the bottom edge, a first fitting groove is provided on the inner side of the frame, the first fitting groove corresponds to the circuit board, the two ends of the closing strip are detachably connected to one end of the side edge, a second fitting groove is provided on the closing strip, the second fitting groove corresponds to the circuit board. The side edge of the frame and the bottom plate correspond to one side edge of the circuit board respectively, a first fitting groove is provided on the inner side of the frame, the first fitting groove corresponds to the circuit board, the side edge of the circuit board is placed in the first fitting groove, the frame is used to protect the circuit board and the bending resistance of the circuit board can be improved, the other side edge of the circuit board is placed in the second fitting groove of the closing strip and protected by the closing strip, and the two ends of the closing strip are detachably connected to one end of the side edge of the frame, protecting all four sides of the circuit board, and such a design is convenient for connection with the circuit board.

[0009] Preferably, a slot is provided at one end of the side away from the bottom, and blocks are provided at both ends of the closing strip. One end of the block is connected to the closing strip, and the other end of the block is placed in the slot and corresponds to the slot. A slot is installed on one end of the side, and the slot is used to place the block on the closing plate. The block is placed in the slot and connected to the frame, which can limit the closing strip and facilitate the insertion and removal of the closing strip. Such a design facilitates the installation of the closing strip.

[0010] Preferably, both sides of the closing strip are provided with fixing plates, one end of the fixing plate is connected to the closing strip, and the other end of the fixing plate is fitted with the side of the frame, and the fixing plate is provided with screws, and the screw tops penetrate the fixing plate and are connected with the side threads of the frame. The connection between the closing strip and the frame is achieved by the screws on the fixing plate, and the screws penetrate the fixing plate and are connected with the side threads, thereby fixing the closing strip, and better fixing the circuit board. Such a design facilitates the fixing of the closing strip.

[0011] Preferably, the upper cover is provided with two and is respectively placed on both sides of the closing strip, one side of the upper cover is rotatably connected with the closing strip, both sides of the bottom edge of the frame are provided with fixing blocks, the bottom end of the fixing block is provided with a fixing groove facing the side of the closing strip, the fixing groove corresponds to one side of the upper cover, the other side of the upper cover is placed in the fixing groove, and the upper end of the fixing block facing the side of the closing strip is provided with a guide groove. One end of the upper cover is rotatably connected with the closing strip, the closing strip can rotate around the closing plate, the other end of the closing plate is fitted with the bottom edge of the frame, and the closing and opening of the side of the circuit board can be completed by the rotation of the closing plate, the circuit board can be inspected when opened, and the circuit board can be protected when closed, the end of the upper cover that is fitted with the bottom surface of the frame is placed in the fixing groove of the fixing block, the upper cover is fixed by the fixing block, and at the same time, a guide surface slope is provided on the upper end of the fixing block, and the guide piece of the slope can better guide one end of the upper cover to enter the fixing groove, which is convenient for pressing, and such a design is convenient for protecting the side of the circuit board.

[0012] Preferably, the upper cover is provided with a plurality of heat dissipation holes which are evenly distributed. The upper cover for protecting the circuit board is provided with a plurality of heat dissipation holes, and the opening of the heat dissipation holes facilitates the heat dissipation of the circuit board. Such a design is conducive to the heat dissipation of the circuit board.

[0013] The beneficial effects of the utility model are: easy disassembly and installation, easy connection with the circuit board, easy installation of the closing strip, easy fixing of the closing strip, easy protection of the side of the circuit board, and conducive to the heat dissipation of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 yes Figure 1 A schematic diagram of the structure of the middle package frame;

[0016] Figure 3 yes Figure 2 The structural diagram at A in the middle;

[0017] Figure 4 yes Figure 1 Schematic diagram of the structure of the middle closing strip.

[0018] In the figure: 1, circuit board; 2, frame; 21, bottom edge; 22, side edge; 23, fitting groove 1; 24, card slot; 25, fixing block; 26, fixing groove; 27, guide surface; 3, closing strip; 31, fitting groove 2; 32, card block; 33, fixing plate; 34, screw; 4, upper cover; 41, heat dissipation hole; DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0020] like Figure 1 In the embodiment, a bending-resistant circuit board includes a circuit board 1, a frame 2, a closing strip 3 and an upper cover plate 4, wherein the cross-sectional shape of the frame 2 is U-shaped, the frame 2 corresponds to a side surface of the circuit board 1, the closing strip 3 corresponds to a side surface of the circuit board 1, two ends of the closing strip 3 are detachably connected to two ends of the frame 2, and the upper cover plate 4 is installed on the closing strip 3 and is rotatably connected to the closing strip 3.

[0021] like Figure 2 , Figure 4 As shown, the frame 2 includes a bottom edge 21 and a side edge 22, two side edges 22 are provided and are respectively installed on both sides of the bottom edge 21, a fitting groove 23 is provided on the inner side surface of the frame 2, and the fitting groove 23 corresponds to the circuit board 1, and both ends of the closing strip 3 are detachably connected to one end of the side edge 22, and a fitting groove 2 31 is provided on the closing strip 3, and the fitting groove 2 31 corresponds to the circuit board 1.

[0022] A slot 24 is provided at one end of the side edge 22 away from the bottom edge 21 , and blocks 32 are provided at both ends of the closing strip 3 . One end of the block 32 is connected to the closing strip 3 , and the other end of the block 32 is placed in and corresponds to the slot 24 .

[0023] A fixing plate 33 is provided on both sides of the closing strip 3, one end of the fixing plate 33 is connected to the closing strip 3, and the other end of the fixing plate 33 is in contact with the side of the frame 2. A screw 34 is provided on the fixing plate 33, and the screw 34 passes through the fixing plate 33 and is threadedly connected to the side 22 of the frame 2.

[0024] like Figure 3 As shown, two upper cover plates 4 are provided and are respectively placed on both sides of the closing strip 3, one side of the upper cover plate 4 is rotatably connected to the closing strip 3, and both sides of the bottom edge 21 of the frame 2 are provided with fixing blocks 25, and the bottom end of the fixing block 25 is provided with a fixing groove 26 on the side facing the closing strip 3, and the fixing groove 26 corresponds to one side of the upper cover plate 4, and the other side of the upper cover plate 4 is placed in the fixing groove 26, and the upper end of the fixing block 25 on the side facing the closing strip 3 is provided with a guide surface 27. The upper cover plate 4 is provided with a plurality of heat dissipation holes 41, and the plurality of heat dissipation holes 41 are evenly distributed.

[0025] When in use, the fitting groove 23 on the side 22 of the frame 2 is inserted into the side 22 of the circuit board, and the fitting groove 23 of the bottom 21 is also fitted to one side of the circuit board 1. After the frame 2 is installed, the closing strip 3 is connected to the frame 2 through the cooperation of the clamp block 32 and the clamp groove 24. After the connection, the closing strip 3 protects one side of the circuit board 1. After the closing strip 3 and the frame 2 are installed, the closing strip 3 and the frame 2 are fixedly connected by screws 34. After the connection, the upper cover plate 4 is rotated to press one end of the upper cover plate 4 into the fixing groove 26 of the fixing block 25 to complete the fixing of the upper cover plate 4. The fixing with the circuit board 1 is achieved to improve the anti-bending performance of the circuit board.

Claims

1. A circuit board with anti-bending properties, characterized in that: The invention comprises a circuit board (1), a frame (2), a closing strip (3) and an upper cover plate (4); the frame (2) has a U-shaped cross section; the frame (2) corresponds to a side surface of the circuit board (1); the closing strip (3) corresponds to a side surface of the circuit board (1); two ends of the closing strip (3) are detachably connected to two ends of the frame (2); and the upper cover plate (4) is mounted on the closing strip (3) and is rotatably connected to the closing strip (3).

2. The anti-bending circuit board according to claim 1, characterized in that: The frame (2) comprises a bottom edge (21) and a side edge (22), two side edges (22) are provided and are respectively mounted on both sides of the bottom edge (21), a first fitting groove (23) is provided on the inner side surface of the frame (2), the first fitting groove (23) corresponds to the circuit board (1), the two ends of the closing strip (3) are detachably connected to one end of the side edge (22), and a second fitting groove (31) is provided on the closing strip (3), the second fitting groove (31) corresponds to the circuit board (1).

3. The anti-bending circuit board according to claim 2, characterized in that: A slot (24) is provided at one end of the side edge (22) away from the bottom edge (21), and blocks (32) are provided at both ends of the closing strip (3), one end of the block (32) is connected to the closing strip (3), and the other end of the block (32) is placed in the slot (24) and corresponds to the slot (24).

4. The anti-bending circuit board according to claim 2, characterized in that: A fixing plate (33) is provided on both sides of the closing strip (3), one end of the fixing plate (33) is connected to the closing strip (3), and the other end of the fixing plate (33) is in contact with the side surface of the frame (2). A screw (34) is provided on the fixing plate (33), and the screw (34) passes through the fixing plate (33) and is threadedly connected to the side edge (22) of the frame (2).

5. The anti-bending circuit board according to claim 2, characterized in that: Two upper cover plates (4) are provided and are respectively placed on both sides of the closing strip (3); one side of the upper cover plate (4) is rotatably connected to the closing strip (3); both sides of the bottom edge (21) of the frame (2) are provided with fixing blocks (25); a fixing groove (26) is provided at the bottom end of the fixing block (25) facing the closing strip (3); the fixing groove (26) corresponds to one side of the upper cover plate (4); the other side of the upper cover plate (4) is placed in the fixing groove (26); and a guide surface (27) is provided at the upper end of the fixing block (25) facing the closing strip (3).

6. The anti-bending circuit board according to claim 5, characterized in that: The upper cover plate (4) is provided with a plurality of heat dissipation holes (41), and the plurality of heat dissipation holes (41) are evenly distributed.

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