CN219678778U - Multilayer circuit board with safeguard function - Google Patents

Abstract

The utility model belongs to the field of multilayer circuit boards, and particularly relates to a multilayer circuit board with a protection function, which comprises a shell, wherein four cushion blocks are adhered to the shell, the four cushion blocks are uniformly distributed at the lower end of the shell, an upright post is fixedly connected in the shell, the upright post is contacted with the circuit board, a fan is fixedly arranged in the shell, and a protection mechanism is arranged in the shell. According to the utility model, through the structures of the support, the filter screen, the limiting pin, the supporting shaft, the fan blades, the connecting shaft, the stop lever, the torsion spring and the like, the fan is used for feeding air into the shell, so that the circuit board can be cooled and radiated, the circuit board is protected from being damaged at a high temperature, and meanwhile, dust is prevented from accumulating on the circuit board to generate dust collection and cause short circuit damage of the circuit board through the filter screen.

Description

Multilayer circuit board with safeguard function

Technical Field

The utility model relates to the technical field of multilayer circuit boards, in particular to a multilayer circuit board with a protection function.

Background

Patent grant bulletin number CN 216451600U discloses a multilayer circuit board with safeguard function, which comprises a substrate, base plate top both sides outer wall all has the mount pad through the bolt fastening, two spout has all been seted up to mount pad one side outer wall, two equal sliding connection of spout inner wall has the connecting block, two connecting block one side outer wall fixedly connected with is the same circuit board body, two mount pad one side outer wall all has the limiting plate through the bolt fastening, two equal fixedly connected with insulation board of limiting plate one side outer wall, two the insulation board all contacts with circuit board body one side outer wall, base plate top outer wall fixedly connected with rubber slab. According to the utility model, through the limiting plate and the insulating plate, the limiting effect on the movement of the circuit board body can be achieved, and the insulating plate can provide a protection effect for the circuit board body, so that the phenomenon of scratch damage to the circuit board body caused by contact with a hard object is avoided. However, after the circuit board is used for a long time, the circuit board generates high temperature, and the natural heat dissipation efficiency is low, so that the service life of the circuit board is reduced. Accordingly, improvements in the art are needed.

Disclosure of Invention

The utility model aims to provide a multilayer circuit board with a protection function, which solves the problem that the service life of the circuit board is reduced due to low natural heat dissipation efficiency caused by high temperature generated by the circuit board after the circuit board is used for a long time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multilayer circuit board with safeguard function, includes the casing, it has four cushion to bond on the casing, four cushion evenly distributed is in the lower extreme of casing, fixedly connected with stand in the casing, the contact has the circuit board on the stand, fixed mounting has the fan in the casing, be provided with protection machanism in the casing.

Preferably, a fixing pin is slidably connected to the circuit board, and the fixing pin and the upright post are connected through threads. Through setting up the fixed pin, fix the circuit board.

Preferably, the protection machanism includes support, filter screen, spacer pin, back shaft, flabellum, connecting axle, pin, torsional spring, support and casing fixed connection, the outside sliding connection of support has the filter screen, install the back shaft through the bearing in the filter screen, fixedly connected with flabellum on the back shaft, the welding has the connecting axle on the support, the pin is installed through the bearing in the outside of connecting axle, the outside of connecting axle is provided with the torsional spring. Through setting up protection machanism, avoid the circuit board high temperature to damage.

Preferably, the filter screen is slidably connected with a limiting pin, and the limiting pin is connected with the support through threads. Through setting up the spacer pin, it is spacing to the filter screen.

Preferably, the stop lever is made of rubber, and the stop lever is contacted with the fan blade. By arranging the stop lever, the filter screen can vibrate.

Preferably, one end of the torsion spring is welded with the support, and the other end of the torsion spring is welded with the stop lever. Through setting up the torsional spring for the pin is convenient for reset.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the structures of the support, the filter screen, the limiting pin, the supporting shaft, the fan blades, the connecting shaft, the stop lever, the torsion spring and the like, the fan is used for feeding air into the shell, so that the circuit board can be cooled and radiated, the circuit board is protected from being damaged at a high temperature, and meanwhile, dust is prevented from accumulating on the circuit board to generate dust collection and cause short circuit damage of the circuit board through the filter screen.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 3 is an enlarged view of the utility model at a in fig. 2.

In the figure: 1. a housing; 2. a cushion block; 3. a column; 4. a circuit board; 5. a fixing pin; 6. a blower; 7. a protective mechanism; 71. a support; 72. a filter screen; 73. a limiting pin; 74. a support shaft; 75. a fan blade; 76. a connecting shaft; 77. a stop lever; 78. and (3) a torsion spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Please refer to fig. 1, 2, a multilayer circuit board with safeguard function, including casing 1, the bonding has four cushion 2 on the casing 1, four cushion 2 evenly distributed are in the lower extreme of casing 1, fixedly connected with stand 3 in the casing 1, the contact has circuit board 4 on the stand 3, sliding connection has fixed pin 5 in circuit board 4, fixed pin 5 and stand 3 pass through threaded connection, through setting up fixed pin 5, fix circuit board 4, fixed mounting has fan 6 in the casing 1, be provided with protection machanism 7 in the casing 1.

Referring to fig. 2 and 3, the protection mechanism 7 includes a support 71, a filter screen 72, a limiting pin 73, a supporting shaft 74, a fan blade 75, a connecting shaft 76, a blocking rod 77, and a torsion spring 78, wherein the support 71 and the housing 1 are fixedly connected, the outer side of the support 71 is slidably connected with the filter screen 72, the limiting pin 73 and the support 71 are in threaded connection, the filter screen 72 is limited by arranging the limiting pin 73, the supporting shaft 74 is arranged in the filter screen 72 through a bearing, the fan blade 75 is fixedly connected with the supporting shaft 74, the connecting shaft 76 is welded on the support 71, the blocking rod 77 is arranged on the outer side of the connecting shaft 76 through a bearing, the blocking rod 77 is made of rubber material, the blocking rod 77 is in contact with the fan blade 75, the filter screen 72 can vibrate, one end of the torsion spring 78 is welded with the support 71, the other end of the torsion spring 78 is welded with the blocking rod 77, the torsion spring 78 is convenient to reset through arranging the torsion spring 78, and the blocking rod 77 is prevented from being damaged by arranging the protection mechanism 7 at high temperature.

The specific implementation process of the utility model is as follows: during the use, place circuit board 4 on stand 3, fix through fixed pin 5, then start fan 6, fan 6 starts to blow to circuit board 4, cool down the cooling to circuit board 4, at this in-process, the air filters the dust, avoid the dust to pile up on circuit board 4 and produce the dust collection, lead to circuit board 4 short circuit damage, air current drive flabellum 75 rotates, flabellum 75 rotates and the collision of pin 77, and then make pin 77 rotate and filter screen 72 collide, make filter screen 72 vibrations, and then make the dust on the filter screen 72 break away from by vibrations, avoid filter screen 72 to block up, ensure fan 6 air inlet efficiency.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a multilayer circuit board with safeguard function, includes casing (1), its characterized in that: four cushion blocks (2) are adhered to the shell (1), the four cushion blocks (2) are uniformly distributed at the lower end of the shell (1), an upright post (3) is fixedly connected to the shell (1), a circuit board (4) is contacted to the upright post (3), a fan (6) is fixedly installed in the shell (1), and a protection mechanism (7) is arranged in the shell (1).

2. The multilayer circuit board with protective function according to claim 1, wherein: the circuit board (4) is connected with a fixing pin (5) in a sliding mode, and the fixing pin (5) is connected with the upright post (3) through threads.

3. The multilayer circuit board with protective function according to claim 1, wherein: protection machanism (7) are including support (71), filter screen (72), spacer pin (73), back shaft (74), flabellum (75), connecting axle (76), pin (77), torsional spring (78), support (71) and casing (1) fixed connection, the outside sliding connection of support (71) has filter screen (72), install back shaft (74) through the bearing in filter screen (72), fixedly connected with flabellum (75) on back shaft (74), the welding has connecting axle (76) on support (71), pin (77) are installed through the bearing in the outside of connecting axle (76), the outside of connecting axle (76) is provided with torsional spring (78).

4. A multilayer wiring board having a protective function according to claim 3, wherein: the filter screen (72) is connected with a limiting pin (73) in a sliding mode, and the limiting pin (73) is connected with the support (71) through threads.

5. A multilayer wiring board having a protective function according to claim 3, wherein: the stop lever (77) is made of rubber, and the stop lever (77) is in contact with the fan blade (75).

6. A multilayer wiring board having a protective function according to claim 3, wherein: one end of the torsion spring (78) is welded with the support (71), and the other end of the torsion spring (78) is welded with the stop lever (77).