Double-sided board with surface anti-abrasion structure

Abstract

The utility model provides a double-sided board with a surface anti-wear structure, which comprises a first protective shell, the inner wall of the first protective shell is fixedly connected with a limiting plate, the inner wall of the limiting plate is slidably connected with a circuit board body, the inner wall of the first protective shell is provided with an adjusting device, and a driving gear is driven to rotate by rotating an adjusting rotating rod so as to adjust the surface of the circuit board body. A driven gear meshed with gear teeth of a driving gear is utilized, the driving gear rotates and drives the driven gear to rotate at the same time, a lead screw is driven to rotate, and then a first moving plate in threaded connection with the outer edge of the lead screw is utilized, so that the lead screw rotates and drives the first moving plate to move in the inner wall of a first protective shell at the same time; the length of the device is adjusted by arranging the first protective shell and extending out of the inner wall of the first protective shell, and then the width of the device is adjusted by using the adjusting device arranged on the inner wall of the second protective shell through the operation, so that circuit board bodies with different sizes can be fixed conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a double-sided board with a surface anti-wear structure. Background Art

[0002] With the development of high technology, people need electronic products with high performance, small size and multiple functions, which has prompted the manufacturing of printed circuit boards to develop towards light, thin, short and small. In order to achieve more functions in limited space, the wiring density has become larger and the aperture is smaller, the use of double-sided circuit boards has become a trend. Double-sided circuit boards not only reduce the volume of use, but also optimize the circuits, and are widely used.

[0003] The existing double-sided circuit board can refer to the Chinese utility model patent with the authorization announcement number CN220139800U, which discloses an anti-wear double-sided circuit board, "including a circuit board body, the circuit board body is surrounded by a protective component, the protective component includes a left movable frame and a right movable frame, the inner walls of the left movable frame and the right movable frame are provided with grooves, the two ends of the left movable frame are provided with docking ports, the two ends of the left movable frame are internally installed with springs, the inner ring of the spring is sleeved with a movable pin, the outer walls of the two ends of the left movable frame are installed with protrusions, the surface of the protrusion is rotatably connected with a stopper, the two ends of the right movable frame are connected with docking blocks, and the outer walls of the two ends of the right movable frame are installed with placement blocks; the utility model uses the protective component to allow a certain gap between the two double-sided circuit boards after stacking, so that the circuits on the surfaces of the two double-sided circuit boards will not cause friction and wear between the electronic components, thereby playing an anti-wear role, and further will not affect the service life of the double-sided circuit board. "

[0004] When the above device is in use, it uses the protection component to allow a certain gap between two double-sided circuit boards after stacking, so as to prevent the circuits on the surfaces of the two double-sided circuit boards from rubbing against the electronic components and causing wear, thereby playing an anti-wear role. However, the above device is not convenient for protecting circuit boards of different sizes, resulting in the need to produce protection devices of different sizes, which in turn reduces the scope of application of the device and increases the production cost. In addition, the fixing effect of the above device is poor, which will cause the device to separate, reducing the practicality of the device. Summary of the invention

[0005] In order to solve the above problems, the present invention proposes a double-sided board with a surface anti-wear structure to more accurately solve the problems raised in the above background technology.

[0006] The utility model is realized by the following technical solutions:

[0007] The utility model provides a double-sided board with a surface anti-wear structure, comprising a first protective shell, the inner wall of the first protective shell is fixedly connected to a limit plate, the inner wall of the limit plate is slidably connected to a circuit board body, the inner wall of the first protective shell is provided with an adjustment device, the inner wall of one end of the adjustment device is clamped with a second movable plate, the outer wall of the second movable plate is slidably connected to a second protective shell, and the inner wall of the second movable plate is provided with a fixing device;

[0008] The adjusting device comprises an adjusting rotating rod and a first movable plate. When the adjusting rotating rod rotates, the first movable plate is driven to extend from the inner wall of the first protective shell to adjust the length of the device. The inner wall of the second protective shell is also provided with an adjusting device.

[0009] The fixing device comprises a telescopic rod and a clamping block, and the clamping block enters into the inner wall of the first movable plate to fix the second movable plate and the first movable plate together.

[0010] Furthermore, a sliding groove is provided at a position where the inner wall of the limiting plate is connected to the circuit board body, and the inner wall of the second protective shell is also fixedly connected to the limiting plate.

[0011] Furthermore, one end of the adjusting rotating rod is inserted into the inner wall of the first protective shell and is rotatably connected to the inner wall of the first protective shell, one end of the adjusting rotating rod located in the inner cavity of the first protective shell is fixedly connected to a driving gear, the gear teeth of the driving gear are meshed with a driven gear, one end of the driven gear is fixedly connected to a screw rod, and the outer edge of the screw rod is threadedly connected to the first movable plate.

[0012] Furthermore, a limited position circular block is provided on the top of the adjusting rotating rod, the screw rod is rotatably connected to the inner wall of the first protective shell, a square groove is opened at the position where the inner wall of the first protective shell is connected to the first movable plate, and the inner wall of the square groove is slidably connected to the outer wall of the first movable plate.

[0013] Furthermore, a mounting groove is formed at one end of the first movable plate, and an inner wall of the mounting groove is slidably connected to an outer wall of the second movable plate.

[0014] Furthermore, a return spring is slidably sleeved on the outer wall of the telescopic rod, a clamping block is fixedly connected to the top of the telescopic rod, and a fixed limiting plate is welded to one end of the clamping block located in the inner wall of the second movable plate.

[0015] Furthermore, a slot is provided at a position of the inner wall of the first movable plate corresponding to the block, and the inner wall of the slot is slidably connected to the outer wall of the block.

[0016] Furthermore, a push rod is provided on the top of the first movable plate, and one end of the push rod is inserted into the first movable plate and corresponds to the position of the block.

[0017] Beneficial effects of the utility model:

[0018] The utility model provides a double-sided board with a surface anti-wear structure. By rotating an adjusting rotating rod, a driving gear is driven to rotate. A driven gear meshing with the gear teeth of the driving gear is used to make the driving gear rotate while driving the driven gear to rotate, and drive the lead screw to rotate. Then, a first movable plate connected to the outer edge of the lead screw by a thread is used to make the lead screw rotate while driving the first movable plate to move in the inner wall of the first protective shell and extend from the inner wall of the first protective shell, so as to adjust the length of the device. Then, an adjusting device arranged on the inner wall of the second protective shell is used to adjust the width of the device through the above operation, so as to facilitate fixing circuit board bodies of different sizes.

[0019] By inserting one end of the second movable plate into the inner wall of the first movable plate, the inner wall of the first movable plate squeezes the card block, and the card block is forced to shrink into the inner wall of the second movable plate, and compresses the telescopic rod and the return spring, so that the elastic potential energy of the return spring increases. When the position of the card block corresponds to the position of the card slot opened on the inner wall of the first movable plate, the elastic potential energy of the return spring is used to push the card block into the card slot, thereby realizing the fixed connection between the second movable plate and the first movable plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the fixed structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the regulating device of the utility model;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 5 For this utility model Figure 4 Schematic diagram at point A in the middle.

[0025] The reference numerals are as follows:

[0026] 1. First protective shell; 2. Limiting plate; 3. Circuit board body; 4. Adjusting device; 401. Adjusting rotating rod; 402. Driving gear; 403. Driven gear; 404. Screw rod; 405. First moving plate; 5. Second protective shell; 6. Second moving plate; 7. Fixing device; 701. Telescopic rod; 702. Return spring; 703. Block; 704. Push rod. DETAILED DESCRIPTION

[0027] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0028] Please refer to Figure 1 - Figure 5 The utility model proposes a double-sided board with a surface anti-wear structure, comprising a first protective shell 1, the inner wall of the first protective shell 1 is fixedly connected to a limit plate 2, the inner wall of the limit plate 2 is slidably connected to a circuit board body 3, the inner wall of the first protective shell 1 is provided with an adjustment device 4, the inner wall of one end of the adjustment device 4 is clamped with a second movable plate 6, the outer wall of the second movable plate 6 is slidably connected to a second protective shell 5, and the inner wall of the second movable plate 6 is provided with a fixing device 7;

[0029] The adjusting device 4 includes an adjusting rotating rod 401 and a first movable plate 405. When the adjusting rotating rod 401 rotates, the first movable plate 405 is driven to extend from the inner wall of the first protective shell 1 to adjust the length of the device. The inner wall of the second protective shell 5 is also provided with an adjusting device 4. One end of the adjusting rotating rod 401 is inserted into the inner wall of the first protective shell 1 and is rotatably connected to the inner wall of the first protective shell 1. One end of the adjusting rotating rod 401 located in the inner cavity of the first protective shell 1 is fixedly connected to a driving gear 402. The gear teeth of the driving gear 402 are meshed with a driven gear 403. One end of the driven gear 403 is fixedly connected to a screw rod 404. The outer edge of the screw rod 404 is threadedly connected to the first movable plate 405. A limited position circular block is provided on the top of the adjusting rotating rod 401. The screw rod 404 is rotatably connected to the inner wall of the first protective shell 1. The inner wall of the first protective shell 1 is connected to the second protective shell 5. A square groove is provided at the position where a movable plate 405 is connected, and the inner wall of the square groove is slidably connected to the outer wall of the first movable plate 405. The adjusting rotating rod 401 is rotated to drive the driving gear 402 to rotate. The driven gear 403 meshing with the gear teeth of the driving gear 402 is used to make the driving gear 402 rotate while driving the driven gear 403 to rotate, and drive the screw rod 404 to rotate. Then, the first movable plate 405 threadedly connected to the outer edge of the screw rod 404 is used to make the screw rod 404 rotate while driving the first movable plate 405 to move in the inner wall of the first protective shell 1 and extend from the inner wall of the first protective shell 1, so as to adjust the length of the device. Then, the adjusting device 4 arranged on the inner wall of the second protective shell 5 is used to adjust the width of the device through the above operation, so as to facilitate the fixing of circuit board bodies 3 of different sizes.

[0030] The fixing device 7 includes a telescopic rod 701 and a block 703. The block 703 enters the inner wall of the first movable plate 405 to fix the second movable plate 6 and the first movable plate 405 together. The outer wall of the telescopic rod 701 is slidably sleeved with a return spring 702. The top of the telescopic rod 701 is fixedly connected with a block 703, and one end of the block 703 located in the inner wall of the second movable plate 6 is welded with a fixed limit block. A slot is opened at a position corresponding to the inner wall of the first movable plate 405 and the block 703, and the inner wall of the slot is slidably connected to the outer wall of the block 703 to fix the second movable plate 6 and the first movable plate 405. One end of the second movable plate 6 is inserted into the inner wall of the first movable plate 405, so that the inner wall of the first movable plate 405 squeezes the block 703, and the block 703 is forced to shrink into the inner wall of the second movable plate 6, and compresses the telescopic rod 701 and the return spring 702, so that the elastic potential energy of the return spring 702 increases. When the position of the block 703 corresponds to the position of the slot opened on the inner wall of the first movable plate 405, the elastic potential energy of the return spring 702 is used to push the block 703 into the slot, thereby realizing the fixed connection between the second movable plate 6 and the first movable plate 405.

[0031] An installation groove is provided at one end of the first movable plate 405, and the inner wall of the installation groove is slidably connected to the outer wall of the second movable plate 6. A push rod 704 is provided on the top of the first movable plate 405, and one end of the push rod 704 is inserted into the first movable plate 405 and corresponds to the position of the block 703. When the device needs to be disassembled, the push rod 704 is pressed to push the block 703 out of the inner wall of the first movable plate 405, so that the second movable plate 6 and the first movable plate 405 are separated from each other, which facilitates the disassembly of the device.

[0032] A sliding groove is provided at the position where the inner wall of the limiting plate 2 is connected to the circuit board body 3 , and the inner wall of the second protective shell 5 is also fixedly connected to the limiting plate 2 , so as to facilitate the limiting and fixing of the circuit board body 3 .

[0033] In this embodiment, when the above device is in use, the driving gear 402 is driven to rotate by rotating the adjusting rotating rod 401, and the driven gear 403 meshing with the gear teeth of the driving gear 402 is used to make the driving gear 402 rotate while driving the driven gear 403 to rotate, and drive the screw rod 404 to rotate, and then use the first movable plate 405 threadedly connected to the outer edge of the screw rod 404 to make the screw rod 404 rotate while driving the first movable plate 405 to move in the inner wall of the first protective shell 1 and extend from the inner wall of the first protective shell 1, so as to adjust the length of the device, and then use the adjusting device 4 provided on the inner wall of the second protective shell 5 through the above operation to adjust the width of the device, so as to facilitate the fixation of circuit board bodies 3 of different sizes, and by One end of the second movable plate 6 is inserted into the inner wall of the first movable plate 405, so that the inner wall of the first movable plate 405 squeezes the block 703, and the block 703 is forced to shrink into the inner wall of the second movable plate 6, and compresses the telescopic rod 701 and the return spring 702, so that the elastic potential energy of the return spring 702 increases. When the position of the block 703 corresponds to the position of the slot opened on the inner wall of the first movable plate 405, the elastic potential energy of the return spring 702 is used to push the block 703 into the slot, thereby realizing the fixed connection between the second movable plate 6 and the first movable plate 405. When the device needs to be disassembled, the push rod 704 is pressed to push the block 703 out of the inner wall of the first movable plate 405, so that the second movable plate 6 and the first movable plate 405 are separated from each other, which facilitates the disassembly of the device.

[0034] Of course, the present utility model may have many other implementations. Based on the present implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present utility model.

Claims

1. A double-sided board with a surface anti-wear structure, characterized in that: It includes a first protective shell, the inner wall of the first protective shell is fixedly connected to a limit plate, the inner wall of the limit plate is slidably connected to a circuit board body, the inner wall of the first protective shell is provided with an adjusting device, the inner wall of one end of the adjusting device is clamped with a second movable plate, the outer wall of the second movable plate is slidably connected to the second protective shell, and the inner wall of the second movable plate is provided with a fixing device; the adjusting device includes an adjusting rotating rod and a first movable plate, when the adjusting rotating rod rotates, the first movable plate is driven to extend from the inner wall of the first protective shell to adjust the length of the device, and the inner wall of the second protective shell is also provided with an adjusting device; the fixing device includes a telescopic rod and a card block, and the card block enters the inner wall of the first movable plate to fix the second movable plate and the first movable plate together.

2. The double-sided board with a surface anti-wear structure according to claim 1, characterized in that: A sliding groove is provided at a position where the inner wall of the limiting plate is connected to the circuit board body, and the inner wall of the second protective shell is also fixedly connected to the limiting plate.

3. The double-sided board with a surface anti-wear structure according to claim 1, characterized in that: One end of the adjusting rotating rod is inserted into the inner wall of the first protective shell and is rotatably connected to the inner wall of the first protective shell. One end of the adjusting rotating rod located in the inner cavity of the first protective shell is fixedly connected to a driving gear, and the gear teeth of the driving gear are meshed with a driven gear. One end of the driven gear is fixedly connected to a screw rod, and the outer edge of the screw rod is threadedly connected to the first movable plate.

4. The double-sided board with a surface anti-wear structure according to claim 3, characterized in that: A limited position circular block is arranged on the top of the adjusting rotating rod, the screw rod is rotatably connected to the inner wall of the first protective shell, a square groove is provided at the position where the inner wall of the first protective shell is connected to the first movable plate, and the inner wall of the square groove is slidably connected to the outer wall of the first movable plate.

5. The double-sided board with a surface anti-wear structure according to claim 1, characterized in that: A mounting groove is formed at one end of the first movable plate, and an inner wall of the mounting groove is slidably connected to an outer wall of the second movable plate.

6. The double-sided board with a surface anti-wear structure according to claim 1, characterized in that: The outer wall of the telescopic rod is slidably sleeved with a return spring, the top of the telescopic rod is fixedly connected with a clamping block, and one end of the clamping block located in the inner wall of the second movable plate is welded with a fixed limiting plate.

7. The double-sided board with a surface anti-wear structure according to claim 3, characterized in that: A clamping groove is provided at a position of the inner wall of the first movable plate corresponding to the clamping block, and the inner wall of the clamping groove is slidably connected to the outer wall of the clamping block.

8. The double-sided board with a surface anti-wear structure according to claim 3, characterized in that: A push rod is arranged on the top of the first movable plate, and one end of the push rod is inserted into the first movable plate and corresponds to the position of the block.

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