Quickly-installed anti-interference driving circuit board

Abstract

The utility model discloses a fast installation anti-interference driving circuit board, comprising an assembling groove and corner blocks, the top end and the bottom end of the assembling groove are respectively welded with a group of corner blocks, a PCB integration is transversely inserted in the assembling groove, and the corner blocks are provided with fast installation structures used for fast installing and fixing the position of the PCB integration. The quick-mounting structure comprises two groups of flanges which are respectively hinged to the corner blocks, mounting clamping strips are welded on the surfaces of the flanges, two groups of clamping holes are formed in the surfaces of the mounting clamping strips, and positioning blocks are welded at four corners of the front surface and the back surface of the PCB integrated frame. According to the anti-interference driving circuit board capable of being rapidly installed, through the arrangement of the rapid installation structure, rapid assembly of the PCB integration is achieved, the edge of the PCB integration is protected, damage caused by collision of the edge of the PCB integration is avoided, the PCB integration can be taken down under the condition that the assembly groove is not disassembled even if disassembly and maintenance are needed after installation, and the anti-interference driving circuit board capable of being rapidly installed is convenient to use. The overall maintenance efficiency of the circuit board is greatly improved, and the problem that the circuit board cannot be quickly disassembled and assembled is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drive circuit boards, in particular to a fast-installed anti-interference drive circuit board. Background Art

[0002] The driver circuit board is one of the core components in electronic devices, which is mainly used to control and drive the work of various electronic components, modules or systems. The driver circuit board ensures that the electronic device can respond to user commands or automatically perform specific tasks by providing appropriate current and voltage.

[0003] Most of the circuit board installations on the market rely on screw fixing. Although this fixing method is simple and economical, it has a series of defects. First, the use of screw fixing will increase the time cost of assembly and maintenance, especially each disassembly and repair requires tools, and the operation is cumbersome. Secondly, long-term disassembly and assembly may cause wear of the screw holes, reducing the stability and safety of the fixation. In addition, screw fixing may cause physical stress on the circuit board, increasing the risk of circuit board damage. These problems not only affect the efficiency of maintenance and upgrading, but may also increase the failure rate of the circuit board during use, increasing the cost of production and maintenance.

[0004] Therefore, there is an urgent need for a quickly installed anti-interference driving circuit board to solve the technical defects proposed in the above technology. Utility Model Content

[0005] The utility model aims to provide a quickly installed anti-interference driving circuit board to solve the problem that the installation of the circuit board proposed in the above background technology mostly relies on screw fixing, which increases the time cost of assembly and maintenance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-installed anti-interference driving circuit board, comprising an assembly slot and a corner block, a group of corner blocks are respectively welded at the top and bottom of the assembly slot, a PCB integration is horizontally inserted in the assembly slot, and a quick-install structure for quickly installing and fixing the PCB integration position is provided at the corner block, the quick-install structure comprises two groups of retaining edges respectively hinged at the corner blocks, the retaining edge surface is welded with an installation clip, the surface of the installation clip is provided with two groups of clip holes, positioning blocks are welded at the four corners of the front and back sides of the PCB integration frame, the clip holes are corresponding to the positioning blocks in a one-to-one buckle connection, a hollow groove is provided in the installation clip, a metal strip is processed on the outer edge of the PCB integration, and the hollow groove is embedded and fixed with the metal strip.

[0007] Preferably, the positioning block is a round block, and the clamping hole is semicircular.

[0008] Preferably, the length of the retaining edge matches the PCB integration, and both sides of the hollow groove extend to the edges of both sides of the mounting clip.

[0009] Preferably, the installation clips are provided in a group above and below the assembly slot, and the two groups of installation clips are symmetrically distributed about the horizontal center line of the assembly slot. The expandable angle of the retaining edge is 0-90°.

[0010] Preferably, a metal shielding cover is fixed at the corner block, two corners of the metal shielding cover are respectively inserted into the corner block and fixedly connected to the corner block by fixing screws, and a filter circuit is arranged inside the PCB integration.

[0011] Preferably, the metal shielding cover is mounted on the front side of the PCB integrated circuit, and the metal shielding cover does not contact the PCB integrated circuit.

[0012] Preferably, two groups of limiting structures for limiting and preventing the PCB integration from falling off are arranged in the assembly groove, the limiting structure includes a buckle groove opened at the assembly groove, a buckle is processed on the side where the PCB integration is plugged into the assembly groove, the buckle is buckled at the buckle groove, a pin hole is processed on the buckle surface, a side groove is opened on the inner wall of the buckle groove away from the buckle, the side groove is processed to the surface of the assembly groove, a rotating pin is fixed on the outside of the assembly groove, a pressure block is movably hinged on the outside of the rotating pin, a pin rod is welded on one side of the rotating pin, the pin rod passes through the side groove and the buckle groove, is inserted into the pin hole and engages with the buckle.

[0013] Preferably, a spring is fixed between the pressing block and the assembly groove, and the pressing block is in a "Z" shape.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the fast-installed anti-interference driving circuit board not only realizes the fast assembly of PCB integration, but also protects the edges of PCB integration, realizes fast installation and disassembly without using screws, reduces the cost of accessories, reduces the difficulty of disassembly and assembly, and realizes dual anti-interference from the frequency and physical levels;

[0015] (1) By providing a quick-install structure, during installation, the left side of the PCB assembly is aligned with the assembly slot and inserted so that the two corners of the PCB assembly are located in the corner block. At this time, the retaining edge at the corner block is flipped downward so that the installation card strip is inserted into the metal strip at the edge of the PCB assembly. The hollow slot and the metal strip are tightly fitted, and the card holes are all buckled into the positioning block. The PCB assembly is clamped from all directions and quickly assembled in the assembly slot, so that the PCB assembly is installed inside the drive dock of the electrical appliance. This structure not only realizes the quick assembly of the PCB assembly, but also protects the edge of the PCB assembly to avoid damage caused by collision of the edge of the PCB assembly. Even if it needs to be disassembled for maintenance after installation, the PCB assembly can be removed without removing the assembly slot, which greatly improves the overall maintenance efficiency of the circuit board;

[0016] (2) By setting a limited position structure, when installing the PCB integration, the "Z"-shaped pressure block is pressed to squeeze the spring, the pressure block flips, the pin rod comes out of the buckle groove, and then the PCB integration is plugged in. After the PCB integration is plugged into the assembly slot, the pressure block is released. Under the action of the spring rebound, the pin rod re-enters the buckle groove from the side groove and is inserted into the pin hole opened on the buckle surface, completing the limit of the PCB integration. The limit is added on the basis of the quick-install structure, and it will not fall off. Quick installation and disassembly can be completed without using screws, reducing the cost of accessories and the difficulty of disassembly and assembly;

[0017] (3) By providing a metal shielding cover and a corner block, a group of metal shielding covers are provided at each of the two groups of corner blocks. During installation, the metal shielding covers are inserted into the two groups of corner blocks, and the two corners of the metal shielding covers are fixed by fixing screws. The metal shielding covers can be fixed on the front of the PCB integration without being released from the metal shielding covers, leaving heat dissipation space and covering the key parts of the PCB integration to reduce the impact of external EMI. In the PCB integration, by adding a filtering circuit, a low-pass filter is formed by combining inductors and capacitors to filter out high-frequency interference, thereby achieving dual anti-interference from the frequency and physical levels, and having better anti-interference performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the installation structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the mounting clip of the utility model;

[0020] Figure 3 For the utility model Figure 1 A partial cross-section at the center is an enlarged structural diagram;

[0021] Figure 4 This is a schematic diagram of the front view structure of the metal shielding cover of the utility model;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the assembly groove of the utility model.

[0023] In the figure: 1. PCB integration; 2. Positioning block; 3. Metal strip; 4. Card hole; 5. Mounting card strip; 6. Side retaining edge; 7. Corner block; 8. Fixing screw; 9. Assembly slot; 10. Filter circuit; 11. Metal shielding cover; 12. Hollow slot; 13. Buckle; 14. Pin hole; 15. Spring; 16. Rotating pin; 17. Press block; 18. Pin rod; 19. Side slot; 20. Buckle slot. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1: Please refer to Figure 1-5 A quick-install anti-interference driving circuit board includes an assembly slot 9 and a corner block 7. A group of corner blocks 7 are welded at the top and bottom of the assembly slot 9 respectively. A PCB integration 1 is laterally inserted in the assembly slot 9. A quick-install structure for quickly installing and fixing the position of the PCB integration 1 is provided at the corner block 7. The quick-install structure includes two groups of retaining edges 6 respectively hinged at the corner block 7. The surface of the retaining edge 6 is welded with an installation card strip 5. The surface of the installation card strip 5 is provided with two groups of card holes 4. Positioning blocks 2 are welded at the four corners of the front and back sides of the frame of the PCB integration 1. The card hole 4 is buckled with the positioning block 2 one by one, a hollow groove 12 is opened in the installation card strip 5, a metal strip 3 is processed on the outer edge of the PCB integration 1, the hollow groove 12 is fixedly engaged with the metal strip 3, the positioning block 2 is a round block, the card hole 4 is semicircular, the length of the retaining edge 6 matches the PCB integration 1, both sides of the hollow groove 12 extend to the edges of both sides of the installation card strip 5, and the installation card strip 5 is provided with a group above and below the assembly slot 9, and the two groups of installation card strips 5 are symmetrically distributed about the horizontal center line of the assembly slot 9, and the expandable angle of the retaining edge 6 is 0-90°;

[0026] Specifically, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, during installation, align the left side of the PCB integration 1 with the assembly slot 9 and insert it so that the two corners of the PCB integration 1 are located in the corner block 7. At this time, the retaining edge 6 at the corner block 7 is flipped downward so that the installation clip 5 is inserted into the metal strip 3 at the edge of the PCB integration 1. The hollow groove 12 is tightly fitted with the metal strip 3, and the clip hole 4 is completely buckled into the positioning block 2. The PCB integration 1 is clamped from all directions, and the PCB integration 1 is quickly assembled in the assembly slot 9, so that the PCB integration 1 is installed inside the drive dock of the electrical appliance.

[0027] Embodiment 2: Two groups of limiting structures for limiting and preventing the PCB integration 1 from falling off are arranged in the assembly groove 9, and the limiting structure includes a buckle groove 20 opened at the assembly groove 9, and a buckle 13 is processed on the side where the PCB integration 1 is plugged into the assembly groove 9, and the buckle 13 is buckled at the buckle groove 20, and a pin hole 14 is processed on the surface of the buckle 13. A side groove 19 is opened on the inner wall of the buckle groove 20 away from the buckle 13, and the side groove 19 is processed to the surface of the assembly groove 9. A rotating pin 16 is fixed to the outside of the assembly groove 9, and a pressure block 17 is movably hinged on the outside of the rotating pin 16. A pin rod 18 is welded on one side of the rotating pin 16, and the pin rod 18 passes through the side groove 19 and the buckle groove 20 and is plugged into the pin hole 14 and engaged with the buckle 13. A spring 15 is fixed between the pressure block 17 and the assembly groove 9, and the pressure block 17 is in a "Z" shape;

[0028] Specifically, Figure 1 , Figure 3 and Figure 5 As shown, when installing the PCB integration 1, press the "Z"-shaped pressure block 17 to squeeze the spring 15, flip the pressure block 17, and the pin rod 18 comes out of the buckle groove 20, and then the PCB integration 1 is plugged in. After the PCB integration 1 is plugged into the assembly groove 9, release the pressure block 17. Under the action of the rebound of the spring 15, the pin rod 18 re-enters the buckle groove 20 from the side groove 19 and is inserted into the pin hole 14 opened on the surface of the buckle 13, completing the limiting of the PCB integration 1.

[0029] Embodiment 3: A metal shielding cover 11 is fixed at the corner block 7, and two corners of the metal shielding cover 11 are respectively inserted into the corner block 7 and fixedly connected to the corner block 7 by fixing screws 8. A filter circuit 10 is provided in the PCB integration 1, and the metal shielding cover 11 is assembled on the front side of the PCB integration 1 circuit, and the metal shielding cover 11 does not contact the PCB integration 1;

[0030] Specifically, Figure 1 , Figure 4 and Figure 5 As shown, a group of metal shielding covers 11 are respectively arranged at the two groups of corner blocks 7. During installation, the metal shielding covers 11 are inserted into the two groups of corner blocks 7, and the two corners of the metal shielding covers 11 are fixed by fixing screws 8. The metal shielding covers 11 can be fixed on the front of the PCB integration 1 without contacting the metal shielding covers 11, leaving heat dissipation space, and covering the key parts of the PCB integration 1 to reduce the impact of external EMI. In the PCB integration 1, by adding a filtering circuit 10, a low-pass filter is formed by combining inductance and capacitance to filter out high-frequency interference.

[0031] Working principle: During installation, align the left side of PCB integration 1 with the assembly slot 9 and insert it so that the two corners of PCB integration 1 are located in the corner block 7. At this time, flip the retaining edge 6 at the corner block 7 downward, so that the installation card strip 5 is inserted into the metal strip 3 at the edge of PCB integration 1, and the hollow groove 12 is tightly fitted with the metal strip 3. The card hole 4 is completely buckled into the positioning block 2, and the PCB integration 1 is clamped from all directions. The PCB integration 1 is quickly assembled in the assembly slot 9, so that the PCB integration 1 is installed inside the drive dock of the electrical appliance, and the "Z"-shaped pressing block 17 is pressed to squeeze the spring 15. The pressing block 17 is flipped, and the pin rod 18 is disengaged from the buckle slot 20. Then the PCB integration 1 is plugged in. When the PCB integration 1 and After the assembly slot 9 is plugged in, the pressure block 17 is released. Under the action of the spring 15, the pin rod 18 re-enters the buckle slot 20 from the side slot 19 and is inserted into the pin hole 14 opened on the surface of the buckle 13, completing the limiting of the PCB integration 1. The metal shielding cover 11 is inserted into the two sets of corner blocks 7, and the two corners of the metal shielding cover 11 are fixed by fixing screws 8. The metal shielding cover 11 can be fixed on the front side of the PCB integration 1 without being released from the metal shielding cover 11, leaving space for heat dissipation, and covering the key parts of the PCB integration 1 to reduce the impact of external EMI. In the PCB integration 1, by adding a filtering circuit 10, a low-pass filter is formed by combining inductors and capacitors to filter out high-frequency interference.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A quick-install anti-interference driving circuit board, comprising a mounting groove (9) and a corner block (7), Features: A group of corner blocks (7) are respectively welded to the top and bottom of the assembly groove (9), a PCB assembly (1) is transversely inserted into the assembly groove (9), and a quick-installation structure for quickly installing and fixing the position of the PCB assembly (1) is provided at the corner block (7); The quick-install structure comprises two groups of retaining edges (6) respectively hinged at the corner blocks (7); the surface of the retaining edges (6) is welded with a mounting clip (5); the surface of the mounting clip (5) is provided with two groups of clip holes (4); the four corners of the front and back sides of the frame of the PCB integration (1) are welded with positioning blocks (2); the clip holes (4) correspond to the positioning blocks (2) in a one-to-one buckling manner; a hollow groove (12) is provided in the mounting clip (5); the outer edge of the PCB integration (1) is processed with a metal strip (3); the hollow groove (12) is fixedly engaged with the metal strip (3).

2. A quick-install anti-interference driving circuit board according to claim 1, Features: The positioning block (2) is a round block, and the clamping hole (4) is a semicircular shape.

3. A quick-install anti-interference driving circuit board according to claim 1, Features: The length of the retaining edge (6) matches that of the PCB assembly (1), and the two sides of the hollow groove (12) extend to the two side edges of the mounting clip (5).

4. A quick-install anti-interference driving circuit board according to claim 1, Features: The installation clips (5) are arranged in groups above and below the assembly groove (9), and the two groups of installation clips (5) are symmetrically distributed about the horizontal center line of the assembly groove (9). The expandable angle of the retaining edge (6) is 0-90 degrees.

5. A quick-install anti-interference driving circuit board according to claim 1, Features: A metal shielding cover (11) is fixed to the corner block (7), two corners of the metal shielding cover (11) are respectively inserted into the interior of the corner block (7) and fixedly connected to the corner block (7) via fixing screws (8), and a filter circuit (10) is provided in the PCB assembly (1).

6. A quick-install anti-interference driving circuit board according to claim 5, Features: The metal shielding cover (11) is mounted on the front side of the PCB integrated circuit (1), and the metal shielding cover (11) does not contact the PCB integrated circuit (1).

7. A quick-install anti-interference driving circuit board according to claim 1, Features: Two groups of limiting structures for limiting and preventing the PCB assembly (1) from falling off are arranged in the assembly groove (9), the limiting structure comprises a buckle groove (20) opened at the assembly groove (9), a buckle (13) is processed on the side of the PCB assembly (1) plugged into the assembly groove (9), the buckle (13) is buckled at the buckle groove (20), a pin hole (14) is processed on the surface of the buckle (13), a side groove (19) is opened on the inner wall of the buckle groove (20) away from the buckle (13), the side groove (19) is processed to the surface of the assembly groove (9), a rotating pin (16) is fixed on the outside of the assembly groove (9), a pressure block (17) is movably hinged on the outside of the rotating pin (16), a pin rod (18) is welded on one side of the rotating pin (16), the pin rod (18) passes through the side groove (19) and the buckle groove (20), is plugged into the pin hole (14), and is engaged with the buckle (13).

8. A quick-install anti-interference driving circuit board according to claim 7, Features: A spring (15) is fixed between the pressing block (17) and the assembly groove (9), and the pressing block (17) is in a "Z" shape.

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