Conversion circuit board installation structure

Abstract

The utility model discloses a conversion circuit board mounting structure, which is characterized in that a plurality of limiting cylinders are arranged on the inner bottom wall of a board shell, a conversion circuit board body is sleeved on the circumferential outer walls of the limiting cylinders, a plurality of second elastic pieces are arranged between the conversion circuit board body and the bottom wall of the board shell, and a board cover is fixedly connected with a plurality of limiting convex discs. A first elastic piece is arranged between the limiting protruding disc and the conversion circuit board body, the limiting protruding disc is fixedly installed on the circumferential outer wall of an insertion rod, one end of the insertion rod is fixedly connected with the board cover, the other end of the insertion rod can be embedded into the limiting cylinder, and the insertion rod is in sliding connection with the limiting cylinder. The second elastic piece is arranged on the circumferential outer wall of the limiting cylinder in a sleeving mode. According to the conversion circuit board mounting structure, the position precision of the circuit board is improved, the vertical displacement of the circuit board can be buffered, the vibration amplitude is greatly reduced, and the reliability of the whole work is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a conversion circuit board installation structure. Background Art

[0002] A conversion circuit board can convert one input signal into another output signal through internal electronic components and circuits, for example, converting the voltage, current or frequency of the input power supply into the required output voltage, current or frequency.

[0003] After searching, the patent publication number CN206674392U discloses "a level signal conversion circuit board fixing structure", which includes a bottom plate, two mutually parallel support plates are arranged at the upper end of the bottom plate, an adjustment device is arranged at the lower end of one of the support plates, first slide grooves are arranged on the opposite sides of the two support plates, first sliders are installed in the first slide grooves, slots are arranged on one side of the two first sliders, a placement plate is arranged in the slots, a fixing device is arranged at the upper end of the support plates, a cover is hinged on one side of the bottom plate, a driving device is arranged on the side wall at one end of the cover, both ends of the driving device are rotatably connected with a rotating rod, and the output shaft of the driving device and the rotating rod are connected by a transmission belt. Stable heat dissipation and protection are achieved, and stable adjustment is possible, which is convenient for various circuit boards and suitable for promotion.

[0004] In the prior art, part of the conversion circuit board is installed inside the device housing, and the device will generate vertical vibration during transfer and use, causing the components on the circuit board to loosen or even fall off, resulting in unstable electrical connection and affecting the normal operation of the circuit board. Utility Model Content

[0005] The main purpose of the utility model is to provide a conversion circuit board installation structure, which can buffer the upward and downward displacement of the circuit board, greatly reducing the loosening and detachment of components on the circuit board, and also reducing the vibration amplitude, thereby ensuring the reliability of the overall operation.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a conversion circuit board installation structure, comprising: a board shell, a board cover closing the board shell, a conversion circuit board body is arranged inside the board shell, a plurality of limiting cylinders are arranged on the inner bottom wall of the board shell, the conversion circuit board body is sleeved on the circumferential outer wall of the limiting cylinder, and a plurality of second elastic members are arranged between the conversion circuit board body and the bottom wall of the board shell;

[0007] The board cover is fixedly connected with a plurality of limiting convex plates, and a first elastic member is arranged between the limiting convex plates and the conversion circuit board body.

[0008] The further improved scheme in the above technical scheme is as follows:

[0009] 1. In the above scheme, the limiting convex disc is fixedly mounted on the circumferential outer wall of an insertion rod, and one end of the insertion rod is fixedly connected to the plate cover, and the other end can be embedded in the interior of the limiting cylinder, and the insertion rod and the limiting cylinder are slidably connected.

[0010] 2. In the above solution, the second elastic member is sleeved on the circumferential outer wall of the limiting cylinder.

[0011] 3. In the above solution, the inner diameter of the first elastic member is 1 to 2 times the inner diameter of the second elastic member.

[0012] 4. In the above solution, the plate shell has a bottom plate and four side walls arranged circumferentially along the top of the bottom plate, and an opening is formed between the four side walls, and the plate cover closes the opening.

[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0014] 1. The utility model provides a conversion circuit board installation structure, in which a plurality of limiting cylinders are arranged on the inner bottom wall of the board shell, the conversion circuit board body is sleeved on the circumferential outer wall of the limiting cylinder, and a plurality of second elastic members are arranged between the conversion circuit board body and the bottom wall of the board shell, the board cover is fixedly connected with a plurality of limiting convex disks, and a first elastic member is arranged between the limiting convex disk and the conversion circuit board body, by sleeved the conversion circuit board body on the limiting cylinder, and arranging the second elastic member between the conversion circuit board body and the bottom wall of the board shell, and arranging the first elastic member between the board cover and the conversion circuit board body, while improving the position accuracy of the conversion circuit board body, the upward and downward displacement of the conversion circuit board body can also be buffered, which greatly reduces the loosening and detachment of components on the circuit board, and also reduces the vibration amplitude, thereby ensuring the reliability of the overall work.

[0015] 2. The utility model has a conversion circuit board installation structure, in which a limiting convex disk is fixedly installed on the circumferential outer wall of a plug rod, and one end of the plug rod is fixedly connected to the board cover, and the other end can be embedded in the interior of the limiting cylinder, and the plug rod and the limiting cylinder are slidably connected. By embedding the plug rod into the interior of the limiting cylinder, the stability of the first elastic member is improved, which is beneficial to maintaining the horizontal state of the conversion circuit board body, avoiding the situation in which the conversion circuit board body and the board shell are stuck due to uneven force on the conversion circuit board body and the overall tilting, thereby improving the smoothness of the up and down movement of the conversion circuit board body. Personnel install the plug rod corresponding to the limiting cylinder, which improves the convenience of personnel operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 It is a structural schematic diagram of the installation structure of the conversion circuit board of the utility model;

[0017] Attached Figure 2 This is a schematic diagram of the internal structure of the installation structure of the conversion circuit board of the utility model;

[0018] Attached Figure 3 It is a partial structural schematic diagram of the installation structure of the conversion circuit board of the utility model;

[0019] Attached Figure 4 This is an enlarged cross-sectional view of the installation structure of the conversion circuit board of the utility model.

[0020] In the above drawings: 1, board shell; 101, bottom plate; 102, side wall; 103, opening; 2, board cover; 3, conversion circuit board body; 4, plug rod; 5, limiting convex disc; 6, first elastic member; 7, second elastic member; 8, limiting cylinder. DETAILED DESCRIPTION

[0021] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0022] Embodiment 1: A conversion circuit board installation structure, comprising: a board shell 1, a board cover 2 that closes the board shell 1, a conversion circuit board body 3 is arranged inside the board shell 1, a plurality of limiting cylinders 8 are arranged on the inner bottom wall of the board shell 1, the conversion circuit board body 3 is sleeved on the circumferential outer wall of the limiting cylinder 8, and a plurality of second elastic members 7 are arranged between the conversion circuit board body 3 and the bottom wall of the board shell 1;

[0023] The second elastic member is sleeved on the outer wall of the limiting cylinder, and the conversion circuit board body is sleeved on the outer side of the limiting cylinder. Then, the first elastic member is sleeved on the outer side of the insertion rod, and the insertion rod is inserted into the inner side of the limiting cylinder, and then the board cover is covered. In this process, the conversion circuit board body can be supported by the second elastic member, and the conversion circuit board body can be pressed by the first elastic member, so that the conversion circuit board body is fixed inside the board shell;

[0024] The board cover 2 is fixedly connected with a plurality of limiting convex plates 5, and a first elastic member 6 is arranged between the limiting convex plates 5 and the conversion circuit board body 3;

[0025] When the board shell vibrates, the second elastic member and the first elastic member can play a role of elastic support for the conversion circuit board body, thereby preventing the conversion circuit board body from colliding with the inner wall of the board shell and the board cover, thereby causing damage to the conversion circuit board body.

[0026] The above-mentioned limiting convex plate 5 is fixedly mounted on the circumferential outer wall of an insertion rod 4, and one end of the insertion rod 4 is fixedly connected to the board cover 2, and the other end can be embedded in the interior of the limiting cylinder 8, and the insertion rod 4 and the limiting cylinder 8 are slidably connected, which is beneficial to improving the stability of the first elastic member, and by arranging the first elastic member above the second elastic member, the synchronization of the first elastic member and the second elastic member on the conversion circuit board body is ensured, and it is also beneficial to maintain the horizontal state of the conversion circuit board body, avoiding the situation where the conversion circuit board body is unevenly stressed and causes the overall tilting of the conversion circuit board body, causing the conversion circuit board body and the board shell to be stuck, thereby improving the smoothness of the up and down movement of the conversion circuit board body, and the personnel install the insertion rod corresponding to the limiting cylinder to improve the convenience of personnel operation.

[0027] The insertion rod 4 and the limiting cylinder 8 are coaxially arranged.

[0028] The first elastic member 6 is sleeved on the circumferential outer wall of the insertion rod 4 .

[0029] The second elastic member 7 is sleeved on the circumferential outer wall of the limiting cylinder 8 .

[0030] The inner diameter of the first elastic member 6 is 1.3 times the inner diameter of the second elastic member 7 .

[0031] The plate cover 2 is fixedly connected to the plate shell 1 by screws.

[0032] Embodiment 2: A circuit board installation structure, comprising: a board shell 1, a board cover 2 that closes the board shell 1, a conversion circuit board body 3 is arranged inside the board shell 1, a plurality of limiting cylinders 8 are arranged on the inner bottom wall of the board shell 1, the conversion circuit board body 3 is sleeved on the circumferential outer wall of the limiting cylinder 8, and a plurality of second elastic members 7 are arranged between the conversion circuit board body 3 and the bottom wall of the board shell 1;

[0033] The board cover 2 is fixedly connected with a plurality of limiting convex plates 5, and a first elastic member 6 is arranged between the limiting convex plates 5 and the conversion circuit board body 3;

[0034] By sleeve-mounting the conversion circuit board body on the limiting cylinder, arranging a second elastic member between the conversion circuit board body and the bottom wall of the board shell, and arranging a first elastic member between the board cover and the conversion circuit board body, the position accuracy of the conversion circuit board body is improved while the upward and downward displacements of the conversion circuit board body can be buffered, which greatly reduces the loosening and detachment of components on the circuit board, reduces the vibration amplitude, and ensures the reliability of the overall operation.

[0035] The above-mentioned limiting convex plate 5 is fixedly mounted on the circumferential outer wall of an insert rod 4, and one end of the insert rod 4 is fixedly connected to the plate cover 2, and the other end can be embedded in the inside of the limiting cylinder 8, and the insert rod 4 and the limiting cylinder 8 are slidably connected;

[0036] When the conversion circuit board body needs to be replaced, open the cover, pull out the plug rod with the first elastic member, then take out the old conversion circuit board body, and then put the new conversion circuit board body on the outside of the limit cylinder, and then insert the plug rod with the first elastic member into the interior of the limit cylinder, and then cover the board cover.

[0037] The above-mentioned limiting cylinders 8 are respectively arranged at the four corners of the circuit board body.

[0038] The inner diameter of the first elastic member 6 is 1.7 times the inner diameter of the second elastic member 7 .

[0039] The plate shell 1 comprises a bottom plate 101 and four side walls 102 arranged circumferentially along the top of the bottom plate 101 , and an opening 103 is formed between the four side walls 102 . The plate cover 2 closes the opening 103 .

[0040] The working principle is:

[0041] When in use, the second elastic member is sleeved on the outer wall of the limiting cylinder, and then the conversion circuit board body is sleeved on the outer side of the limiting cylinder, and then the first elastic member is sleeved on the outer side of the insertion rod, and the insertion rod is inserted into the interior of the limiting cylinder, and then the board cover is covered. In this process, the conversion circuit board body can be supported by the second elastic member, and the conversion circuit board body can be pressed by the first elastic member, so that the conversion circuit board body is fixed inside the board shell. When the board shell vibrates, the second elastic member and the first elastic member can play an elastic supporting role for the conversion circuit board body, so as to avoid the conversion circuit board body from colliding with the inner wall of the board shell and the board cover, thereby causing damage to the conversion circuit board body;

[0042] When the conversion circuit board body needs to be replaced, open the cover, pull out the plug rod with the first elastic member, then take out the old conversion circuit board body, and then put the new conversion circuit board body on the outside of the limit cylinder, and then insert the plug rod with the first elastic member into the interior of the limit cylinder, and then cover the board cover.

[0043] When the above-mentioned circuit board installation structure is adopted, the conversion circuit board body is sleeved on the limiting cylinder, and a second elastic member is arranged between the conversion circuit board body and the bottom wall of the board shell, and a first elastic member is arranged between the board cover and the conversion circuit board body. While improving the position accuracy of the conversion circuit board body, the upward and downward displacement of the conversion circuit board body can also be buffered, which greatly reduces the loosening and detachment of components on the circuit board, reduces the vibration amplitude, and ensures the reliability of the overall operation.

[0044] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A conversion circuit board installation structure, comprising: A board shell (1), and a board cover (2) for closing the board shell (1), wherein a conversion circuit board body (3) is arranged inside the board shell (1), characterized in that: a plurality of limiting cylinders (8) are arranged on the inner bottom wall of the board shell (1), the conversion circuit board body (3) is sleeved on the circumferential outer wall of the limiting cylinder (8), and a plurality of second elastic members (7) are arranged between the conversion circuit board body (3) and the bottom wall of the board shell (1); the board cover (2) is fixedly connected with a plurality of limiting convex disks (5), and a first elastic member (6) is arranged between the limiting convex disks (5) and the conversion circuit board body (3).

2. The conversion circuit board installation structure according to claim 1, characterized in that: The limiting convex disc (5) is fixedly mounted on the circumferential outer wall of an insertion rod (4), one end of the insertion rod (4) is fixedly connected to the plate cover (2), and the other end can be embedded in the interior of the limiting cylinder (8), and the insertion rod (4) and the limiting cylinder (8) are slidably connected.

3. The conversion circuit board installation structure according to claim 1, characterized in that: The second elastic member (7) is sleeved on the circumferential outer wall of the limiting cylinder (8).

4. The conversion circuit board installation structure according to claim 1, characterized in that: The inner diameter of the first elastic member (6) is 1 to 2 times the inner diameter of the second elastic member (7).

5. The conversion circuit board installation structure according to claim 1, characterized in that: The plate shell (1) comprises a bottom plate (101) and four side walls (102) arranged along the top circumference of the bottom plate (101), and an opening (103) is formed between the four side walls (102), and the plate cover (2) closes the opening (103).

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