Double-sided PCB (printed circuit board) capable of preventing deformation caused by stress

Abstract

A double-sided PCB capable of preventing stress deformation comprises a double-sided PCB and square frames, the left side and the right side of the outer wall of the double-sided PCB are fixedly connected with the inner walls of the square frames respectively, a plurality of round openings are machined in the front sides and the rear sides of the two square frames respectively, and reinforcing structures are connected to the front sides and the rear sides of the outer walls of the two square frames respectively. Four corners of the outer wall of the double-sided PCB are respectively connected with a supporting structure, a right outward internal thread of a bolt penetrates through the square plate to be in threaded connection with a round opening of the outer wall of the square frame, the positions of the square plate and the straight plate are fixed, and at the moment, the inner side of the straight plate is attached to the outer wall of the double-sided PCB; the straight plate is continuously installed at the position where the straight plate does not conflict with the circuit elements on the outer wall of the double-sided PCB, the straight plate is made of copper plate materials, the overall strength of the double-sided PCB is improved, stress deformation is avoided, meanwhile, generated heat can be led out, normal use of the double-sided PCB is guaranteed, and the service life of the double-sided PCB is guaranteed.

Description

Technical Field

[0001] The utility model relates to a double-sided PCB circuit board which can prevent deformation due to force, in particular to a double-sided PCB circuit board which can prevent deformation due to force. Background Art

[0002] Double-sided PCB circuit board It has two sides. Double-sided PCB can accommodate more circuit components in the same board size, which makes it very suitable for circuit design that requires high integration.

[0003] For example, a new type of double-sided PCB circuit board with the authorization announcement number "CN219437210U" has a nozzle inserted at the lower end of the cross bar, and the upper and lower ends of the double-sided PCB board body are both provided with a dust-proof layer. The new type of double-sided PCB circuit board described in the utility model can remove the upper surface of the double-sided PCB board body by setting a micro air pump, a cross bar and a nozzle to cooperate with each other, thereby ensuring the normal heat dissipation of the double-sided PCB board body and reducing the phenomenon of short circuit caused by dust. By setting the dust-proof layer, dust is not easy to adhere to the double-sided PCB board body, so that the dust can be quickly blown off. However, when the double-sided PCB circuit board is used, the circuit components need to be fixed to it by small bolts or soldering, which makes it easy to press the double-sided PCB circuit board during use. The strength of the double-sided PCB circuit board itself is relatively low, and then the double-sided PCB circuit board is easily deformed when it is subjected to pressure, which affects the normal use of the double-sided PCB circuit board and shortens the service life of the double-sided PCB circuit board. Summary of the invention

[0004] The utility model aims to solve the problems existing in the above-mentioned prior art and provide a double-sided PCB circuit board which is resistant to deformation due to force, thereby ensuring the normal use of the double-sided PCB circuit board and guaranteeing the service life of the double-sided PCB circuit board.

[0005] The utility model adopts a technical solution to solve the technical problem: the double-sided PCB circuit board that prevents deformation due to force comprises a double-sided PCB circuit board and a square frame, the left and right sides of the outer wall of the double-sided PCB circuit board are respectively fixedly connected to the inner wall of the square frame, the front and rear sides of the two square frames are respectively processed with a plurality of circular openings, the front and rear sides of the outer walls of the two square frames are respectively connected with reinforcement structures, the four corners of the outer wall of the double-sided PCB circuit board are respectively connected with support structures, and the inner side of the reinforcement structure is in contact with the outer wall of the double-sided PCB circuit board.

[0006] For further improvement, the reinforcement structure includes a square plate and bolts, the inner side of the outer wall of the square plate fits with the outer wall of the square frame, the inner wall of the square plate is threadedly connected to the outer wall of the bolt, and a straight plate is fixed to the inner side of the square plate.

[0007] To further improve, the inner side of the outer wall of the bolt is threadedly connected to the inner wall of the circular opening.

[0008] Further improvement, the inner side of the straight plate is fitted with the outer wall of the double-sided PCB circuit board.

[0009] For further improvement, the upper and lower sides of the rear end surface of the double-sided PCB circuit board are respectively threadedly connected with straight rods.

[0010] Further improvement, the support structure includes a screw and a cylinder, the outer walls of the multiple screws are respectively threadedly connected to the four corners of the outer wall of the double-sided PCB circuit board, the rear end face of the screw is fixedly connected to the front face of the cylinder, and the inner wall of the cylinder is processed with a notch.

[0011] The beneficial effect of the utility model is as follows: the utility model makes the left and right sides of the straight plate respectively fit with the inner sides of the two square frames in the reinforcement structure, at this time the square plates on both sides of the straight plate will fit with the outer walls of the square frames, and then the right outer-inward thread of the bolt passes through the square plate and is threadedly connected with the round mouth of the outer wall of the square frame to complete the position fixing of the square plate and the straight plate, at this time the inner side of the straight plate fits with the outer wall of the double-sided PCB circuit board, and then the straight plate is continued to be installed at a position that does not conflict with the circuit elements of the outer wall of the double-sided PCB circuit board, the straight plate improves the overall strength of the double-sided PCB circuit board through its own copper plate material to avoid deformation due to stress, and at the same time can export the generated heat, ensure the normal use of the double-sided PCB circuit board, and ensure the service life of the double-sided PCB circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 for Figure 1 A schematic diagram of the connection relationship between the middle frame, the square plate and the straight plate;

[0014] Figure 3 for Figure 1 The structural diagram of A in the figure;

[0015] Figure 4 for Figure 1 Schematic diagram of the connection relationship between the screw, the cylinder and the notch;

[0016] Figure 5 for Figure 1 Schematic diagram of the connection structure between the straight rod and the circular plate.

[0017] Explanation of the accompanying drawings: 1. Double-sided PCB circuit board, 2. Reinforcement structure, 201. Square plate, 202. Bolt, 203. Straight plate, 3. Support structure, 301. Screw, 302. Cylinder, 303. Notch, 4. Square frame, 5. Round mouth, 6. Straight rod, 7. Round plate. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Embodiment 1:

[0020] Refer to Appendix: 1-5: In this embodiment, a double-sided PCB circuit board that prevents deformation under force includes a double-sided PCB circuit board 1 and a square frame 4. The left and right sides of the outer wall of the double-sided PCB circuit board 1 are respectively fixedly connected to the inner wall of the square frame 4. The model of the double-sided PCB circuit board 1 is selected according to usage requirements. The front and back sides of the two square frames 4 are respectively processed with multiple circular openings 5. The front and back sides of the outer walls of the two square frames 4 are respectively connected with reinforcement structures 2. The four corners of the outer wall of the double-sided PCB circuit board 1 are respectively connected with support structures 3. The inner side of the reinforcement structure 2 is in contact with the outer wall of the double-sided PCB circuit board 1.

[0021] The reinforcement structure 2 includes a square plate 201 and a bolt 202. The inner side of the outer wall of the square plate 201 is in contact with the outer wall of the square frame 4. The inner wall of the square plate 201 is threadedly connected to the outer wall of the bolt 202. The bolt 202 fixes the square plate 201 and the square frame 4. A straight plate 203 is fixedly connected to the inner side of the square plate 201. The straight plate 203 is made of copper. The inner side of the outer wall of the bolt 202 is threadedly connected to the inner wall of the round opening 5. The inner side of the straight plate 203 is in contact with the outer wall of the double-sided PCB circuit board 1.

[0022] By using the reinforcement structure 2, the left and right sides of the straight plate 203 are respectively fitted with the inner sides of the two square frames 4. At this time, the square plates 201 on both sides of the straight plate 203 will fit with the outer walls of the square frames 4, and then the bolts 202 are threaded from the right outside to the inside through the square plates 201 and are threadedly connected with the round openings 5 ​​on the outer walls of the square frames 4, completing the position fixation of the square plates 201 and the straight plate 203. At this time, the inner side of the straight plate 203 fits with the outer wall of the double-sided PCB circuit board 1, and then the straight plate 203 is continued to be installed at a position that does not conflict with the circuit components on the outer wall of the double-sided PCB circuit board 1. The straight plate 203 improves the overall strength of the double-sided PCB circuit board 1 through its own copper plate material to avoid deformation due to stress, and at the same time can conduct the generated heat to ensure the normal use of the double-sided PCB circuit board and the service life of the double-sided PCB circuit board.

[0023] The rear end surface of the double-sided PCB circuit board 1 is respectively threadedly connected with straight rods 6 on the upper and lower sides. The supporting structure 3 includes a screw 301 and a cylinder 302. The outer walls of the multiple screws 301 are respectively threadedly connected with the four corners of the outer wall of the double-sided PCB circuit board 1. The screw 301 can be rotated backward under force to detach from the outer wall of the double-sided PCB circuit board 1. The rear end surface of the screw 301 is fixedly connected to the front side of the cylinder 302, and the inner wall of the cylinder 302 is processed with a notch 303.

[0024] Working principle:

[0025] Double-sided PCB circuit board anti-deformation reinforcement:

[0026] The left and right sides of the straight plate 203 are respectively fitted with the inner sides of the two square frames 4. At this time, the square plates 201 on both sides of the straight plate 203 will fit with the outer wall of the square frame 4, and then the bolt 202 is threaded from the right outside to the inside through the square plate 201 and is threadedly connected with the round opening 5 on the outer wall of the square frame 4 to complete the position fixing of the square plate 201 and the straight plate 203. At this time, the inner side of the straight plate 203 is fitted with the outer wall of the double-sided PCB circuit board 1, and then the straight plate 203 is continued to be installed at a position that does not conflict with the circuit components on the outer wall of the double-sided PCB circuit board 1. The straight plate 203 improves the overall strength of the double-sided PCB circuit board 1 through its own copper plate material to avoid deformation due to force, and at the same time, the generated heat can be discharged.

[0027] Double-sided PCB circuit board installation:

[0028] Since circuit components will be assembled on both sides of the double-sided PCB circuit board 1, screws 301 are threadedly connected to the four corners of the outer wall of the double-sided PCB circuit board 1 to fix the cylinder 302, and then the rear of the cylinder 302 is fitted with the connection, and then the external bolts pass through the notches 303 on the inner wall of the cylinder 302 and are threadedly fixed to the connection to complete the installation of the double-sided PCB circuit board 1.

[0029] Embodiment 2:

[0030] Refer to Appendix 1-5: In this embodiment, a double-sided PCB circuit board that prevents deformation due to force also includes a circular plate 7, the front surface of the circular plate 7 is fixedly connected to the rear end surface of the straight rod 6

[0031] Working principle:

[0032] When installing the double-sided PCB circuit board 1, the two straight rods 6 are connected with the front threads of the outer wall and the upper and lower threads at the rear of the double-sided PCB circuit board 1. The straight rods 6 cooperate with the circular plate 7 to support the installed double-sided PCB circuit board 1. The circular plate 7 can prevent the ends of the straight rods 6 from scratching the connection through its own rubber material.

[0033] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A double-sided PCB circuit board that prevents deformation under stress, comprising a double-sided PCB circuit board (1) and a square frame (4), characterized in that: The left and right sides of the outer wall of the double-sided PCB circuit board (1) are respectively fixedly connected to the inner wall of the square frame (4); the front and rear sides of the two square frames (4) are respectively processed with a plurality of circular openings (5); the front and rear sides of the outer walls of the two square frames (4) are respectively connected to reinforcement structures (2); the four corners of the outer wall of the double-sided PCB circuit board (1) are respectively connected to support structures (3); the inner side of the reinforcement structure (2) is in contact with the outer wall of the double-sided PCB circuit board (1).

2. The double-sided PCB circuit board that prevents deformation under force according to claim 1 is characterized in that: The reinforcement structure (2) comprises a square plate (201) and a bolt (202); the inner side of the outer wall of the square plate (201) fits the outer wall of the square frame (4); the inner wall of the square plate (201) is threadedly connected to the outer wall of the bolt (202); and a straight plate (203) is fixedly connected to the inner side of the square plate (201).

3. The double-sided PCB circuit board that prevents deformation due to force according to claim 2 is characterized in that: The inner side of the outer wall of the bolt (202) is threadedly connected to the inner wall of the circular opening (5).

4. The double-sided PCB circuit board that prevents deformation due to force according to claim 2 is characterized in that: The inner side of the straight plate (203) is in contact with the outer wall of the double-sided PCB circuit board (1).

5. The double-sided PCB circuit board that prevents deformation due to force according to claim 1 is characterized in that: Straight rods (6) are respectively threadedly connected on the upper and lower sides of the rear end surface of the double-sided PCB circuit board (1).

6. The double-sided PCB circuit board that prevents deformation due to force according to claim 1 is characterized in that: The support structure (3) comprises a screw rod (301) and a cylinder (302); the outer walls of the plurality of screw rods (301) are respectively threadedly connected to the four corners of the outer wall of the double-sided PCB circuit board (1); the rear end face of the screw rod (301) is fixedly connected to the front face of the cylinder (302); and the inner wall of the cylinder (302) is processed with a notch (303).

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