Adjustable circuit board based on LTD circuit

Abstract

The utility model discloses an adjustable circuit board based on an LTD circuit, which belongs to the technical field of circuit boards and comprises a bottom plate, vertical plates are fixedly mounted on the left side and the right side of the top of the bottom plate, a base is rotatably connected to the right side of the vertical plate on the left side, and the right side of the base extends to an inner cavity of the vertical plate on the right side and is fixedly connected with a worm gear. A worm matched with the worm gear is rotationally connected to the rear side of the inner cavity of the vertical plate on the right side, mounting bases are fixedly mounted on the left side and the right side of the top of the base correspondingly, cross rods are fixedly connected to the interiors of the mounting bases, and pressing plates movably sleeve the outer sides of the cross rods. According to the device, the limiting effect on the circuit board body is improved, the circuit board body is prevented from falling off due to collision in the moving process, the practicability of the device is improved, the installation angle of the circuit board body can be rapidly adjusted, the structure is simple, operation of workers is facilitated, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to an adjustable circuit board based on an LTD circuit. Background Art

[0002] Circuit boards are divided into circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCB boards, ultra-thin circuit boards, ultra-thin circuit boards, printed circuit boards, etc. Circuit boards miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. When installing the circuit board, it is necessary to adjust the installation angle between the circuit board and the housing to make the circuit board and the housing fit better.

[0003] The patent document with publication number CN207399616U discloses an adjustable circuit board, including a bracket, a circuit board mainboard placed in the bracket, one end of the bracket wraps around the side wall of the circuit board mainboard, a connecting plate is arranged outside the bracket, and an adjusting bolt is arranged at both ends of the connecting plate; the connecting plate is adjustably installed in a rotating cavity in the middle of a connecting bracket, the adjusting bolt passes through the through hole on the connecting bracket and extends to the outside, and a locking nut is installed on the adjusting bolt at its telescopic end; a movable shaft is arranged at the bottom of the connecting bracket, a connecting piece is arranged at the bottom of the movable shaft, a rotating sleeve is movably mounted on the upper end of the connecting piece, a support sheet is rotatably arranged at one end of the rotating sleeve, and a connecting bolt is arranged at the bottom of the connecting piece. The utility model can adjust the installation angle of the circuit board at will according to the on-site installation requirements to obtain the best installation position, and the installed circuit mainboard has a very good buffering capacity, and the heat dissipation performance will also be greatly increased.

[0004] The device in the above technical solution has a poor limiting effect on the circuit board body, which can easily cause the circuit board to fall and cause damage to the circuit board. In addition, the angle of the circuit board relative to the connecting bracket is adjusted by loosening the locking nut and rotating the angle of the adjusting bolt, and then the locking nut must be reset. The operation is very troublesome and reduces the installation efficiency. Therefore, we propose an adjustable circuit board based on the LTD circuit to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable circuit board based on an LTD circuit to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An adjustable circuit board based on an LTD circuit comprises a bottom plate, vertical plates are fixedly installed on the left and right sides of the top of the bottom plate, the right side of the vertical plate on the left side is rotatably connected to a base, the right side of the base extends to the inner cavity of the vertical plate on the right side and is fixedly connected to a worm gear, the rear side of the inner cavity of the vertical plate on the right side is rotatably connected to a worm gear matched with the worm gear, mounting seats are fixedly installed on the left and right sides of the top of the base, a cross bar is fixedly connected to the inside of the mounting seat, a pressure plate is provided on the outer movable sleeve of the cross bar, limiting rods are fixedly connected to the front and rear sides of the left and right sides of the inner cavity of the mounting seat, a movable sleeve on the outer side of the limiting rod is provided with a movable plate, and positioning rods are fixedly installed on the front and rear sides of the right side of the movable plate.

[0008] Preferably, both the front and rear sides of the pressure plate extend to the interior of the mounting seat, a rectangular groove compatible with the pressure plate is opened on the right side of the top of the mounting seat, the right side of the positioning rod passes through the mounting seat and extends to the interior of the pressure plate, the top of the movable plate is fixedly connected with a push plate, the top of the push plate passes through the mounting seat, and the top of the mounting seat is opened with a sliding hole compatible with the push plate.

[0009] Preferably, both front and rear sides of the left side of the movable plate are fixedly connected with a first spring, the left side of the first spring is fixedly connected to the left side of the inner cavity of the mounting seat, and the first spring is sleeved on the outside of the limiting rod.

[0010] Preferably, an elastic pad is fixedly installed in the middle of the bottom of the pressing plate, and second springs are fixedly installed on both the front and rear sides of the bottom of the pressing plate.

[0011] Preferably, the front side of the worm screw passes through the right vertical plate and is fixedly connected to a rotating disk, and a handle is fixedly installed on the front side of the rotating disk.

[0012] Preferably, a circuit board body is placed on the top of the base.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the push plates on the left and right sides are pulled away from each other, and the push plates drive the positioning rods to move away from each other, and at the same time compress the first spring. When the positioning rod is away from the pressure plate, the pressure plate is bounced open by the elastic force of the second spring, and then the circuit board body is placed on the top of the base, and the pressure plate is rotated to reset it and compress the second spring, and then the push plate is released, and the elastic force of the first spring is used to reset the positioning rod, so that the positioning rod extends to the inside of the pressure plate, thereby improving the limiting effect of the circuit board body, avoiding the circuit board body from falling off due to collision during movement, and improving the practicability of the device.

[0015] 2. In the utility model, the handle is rotated forward, the handle drives the rotating disk to rotate, the rotating disk drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm drives the base to rotate, so that the installation angle of the circuit board body can be quickly adjusted. The structure is simple, which is convenient for staff to operate and improves the convenience of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of an adjustable circuit board based on an LTD circuit proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of an adjustable circuit board based on an LTD circuit proposed in the utility model;

[0018] Figure 3 A schematic cross-sectional view of the adjustable circuit board based on the LTD circuit proposed by the utility model from another perspective;

[0019] Figure 4 for Figure 2 A partial enlarged view of part A.

[0020] In the figure: 1, bottom plate; 2, vertical plate; 3, base; 4, mounting seat; 5, pressure plate; 6, worm gear; 7, worm; 8, cross bar; 9, circuit board body; 10, limit rod; 11, moving plate; 12, first spring; 13, positioning rod; 14, second spring; 15, elastic pad; 16, push plate; 17, rotating disk. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-4 , an adjustable circuit board based on LTD circuit, including a bottom plate 1, vertical plates 2 are fixedly installed on the left and right sides of the top of the bottom plate 1, the right side of the left vertical plate 2 is rotatably connected to a base 3, the right side of the base 3 extends to the inner cavity of the right vertical plate 2 and is fixedly connected to a worm gear 6, the rear side of the inner cavity of the right vertical plate 2 is rotatably connected to a worm 7 adapted to the worm gear 6, mounting seats 4 are fixedly installed on the left and right sides of the top of the base 3, a cross bar 8 is fixedly connected inside the mounting seat 4, a pressure plate 5 is provided on the outer movable sleeve of the cross bar 8, and limit rods 10 are fixedly connected to the front and rear sides of the left and right sides of the inner cavity of the mounting seat 4, a movable sleeve on the outer side of the limit rod 10 is provided with a movable plate 11, and positioning rods 13 are fixedly installed on the front and rear sides of the right side of the movable plate 11.

[0023] In this embodiment, the front and rear sides of the pressure plate 5 extend to the interior of the mounting seat 4, and a rectangular groove compatible with the pressure plate 5 is provided on the right side of the top of the mounting seat 4. The right side of the positioning rod 13 passes through the mounting seat 4 and extends to the interior of the pressure plate 5. The top of the movable plate 11 is fixedly connected with a push plate 16, and the top of the push plate 16 passes through the mounting seat 4. A sliding hole compatible with the push plate 16 is provided on the top of the mounting seat 4. The front and rear sides of the left side of the movable plate 11 are fixedly connected with a first spring 12, and the left side of the first spring 12 is fixedly connected to the left side of the inner cavity of the mounting seat 4. The first spring 12 is sleeved on the outside of the limit rod 10. The limit rod 10 can limit the movable plate 11, thereby improving the stability of the left and right movement of the movable plate 11.

[0024] In this embodiment, an elastic pad 15 is fixedly installed in the middle of the bottom of the pressing plate 5, and a second spring 14 is fixedly installed on the front and rear sides of the bottom of the pressing plate 5. The front side of the worm 7 passes through the vertical plate 2 on the right and is fixedly connected to a rotating disk 17. A handle is fixedly installed on the front side of the rotating disk 17. A circuit board body 9 is placed on the top of the base 3. The elastic pad 15 can protect the circuit board body 9, thereby preventing the pressing plate 5 from causing damage to the circuit board body 9 when limiting the circuit board body 9.

[0025] In this embodiment, when in use, by pulling the push plates 16 on the left and right sides away from each other, the push plates 16 drive the positioning rods 13 to move away from each other, and at the same time compress the first spring 12. When the positioning rod 13 is away from the pressure plate 5, the pressure plate 5 will be bounced open by the elastic force of the second spring 14, and then the circuit board body 9 is placed on the top of the base 3, and then the pressure plate 5 is rotated to reset it and compress the second spring 14, and then the push plate 16 is released, and the positioning rod 13 is reset by the elastic force of the first spring 12, so that the positioning rod 13 extends to the inside of the pressure plate 5, thereby improving the limiting effect on the circuit board body 9. When the angle needs to be adjusted, the handle is rotated forward, the handle drives the rotating disk 17 to rotate, the rotating disk 17 drives the worm 7 to rotate, the worm 7 drives the worm wheel 6 to rotate, and the worm 7 drives the base 3 to rotate, so that the installation angle of the circuit board body 9 can be quickly adjusted.

[0026] The above is a detailed introduction to an adjustable circuit board based on an LTD circuit provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An adjustable circuit board based on an LTD circuit, comprising a base plate (1), characterized in that: Vertical plates (2) are fixedly mounted on both left and right sides of the top of the bottom plate (1); the right side of the vertical plate (2) on the left side is rotatably connected to a base (3); the right side of the base (3) extends to the inner cavity of the vertical plate (2) on the right side and is fixedly connected to a worm gear (6); the rear side of the inner cavity of the vertical plate (2) on the right side is rotatably connected to a worm (7) matched with the worm gear (6); the left and right sides of the top of the base (3) are fixedly mounted with mounting seats (4); the interior of the mounting seat (4) is fixedly connected to a cross bar (8); a pressure plate (5) is provided on the outer movable sleeve of the cross bar (8); the front and rear sides of the left and right sides of the inner cavity of the mounting seat (4) are fixedly connected to limit rods (10); the outer movable sleeve of the limit rod (10) is provided with a movable plate (11); and the front and rear sides of the right side of the movable plate (11) are fixedly mounted with positioning rods (13).

2. The adjustable circuit board based on the LTD circuit according to claim 1, characterized in that: The front and rear sides of the pressure plate (5) extend to the interior of the mounting seat (4); a rectangular groove matching the pressure plate (5) is provided on the right side of the top of the mounting seat (4); the right side of the positioning rod (13) passes through the mounting seat (4) and extends to the interior of the pressure plate (5); a push plate (16) is fixedly connected to the top of the movable plate (11); the top of the push plate (16) passes through the mounting seat (4); and a sliding hole matching the push plate (16) is provided on the top of the mounting seat (4).

3. The adjustable circuit board based on the LTD circuit according to claim 1, characterized in that: The front and rear sides of the left side of the movable plate (11) are both fixedly connected with a first spring (12), the left side of the first spring (12) is fixedly connected to the left side of the inner cavity of the mounting seat (4), and the first spring (12) is sleeved on the outside of the limiting rod (10).

4. The adjustable circuit board based on the LTD circuit according to claim 1, characterized in that: An elastic pad (15) is fixedly mounted in the middle of the bottom of the pressing plate (5), and second springs (14) are fixedly mounted on both the front and rear sides of the bottom of the pressing plate (5).

5. The adjustable circuit board based on LTD circuit according to claim 1, characterized in that: The front side of the worm (7) passes through the right vertical plate (2) and is fixedly connected to a rotating disk (17), and a handle is fixedly mounted on the front side of the rotating disk (17).

6. The adjustable circuit board based on LTD circuit according to claim 1, characterized in that: A circuit board body (9) is placed on the top of the base (3).

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