CN212250473U - Roots vacuum pump with good heat dissipation performance - Google Patents

Abstract

The utility model discloses a roots vacuum pump that heat dispersion is good, including the roots vacuum pump body and heat dissipation case, the roots vacuum pump body sets up at the heat dissipation incasement, equal fixed mounting has heat conduction silica gel on pump body shell's the lateral wall, heat conduction silica gel's fixed surface installs first fin, pump body shell's top is equipped with the second fin, the second fin includes heat absorption portion and radiating part, heat absorption portion is located pump body shell inner chamber, radiating part is located pump body shell's top and its middle part and has seted up the heat dissipation ventilation hole, the roof upper surface of heat dissipation case is equipped with a plurality of protruding circles, the roof of heat dissipation case is located the inside louvre that is equipped with of protruding circle, protruding circle top is equipped with waterproof cover plate, install radiator fan on the lateral wall about the heat dissipation incasement chamber, the beneficial effects of the utility model are that: can come out the inside heat transfer of roots vacuum pump fast, the radiating effect is better, improves roots vacuum pump's safety in utilization performance.

Description

Roots vacuum pump with good heat dissipation performance

Technical Field

The utility model belongs to the technical field of the vacuum pump, especially, relate to a roots vacuum pump that heat dispersion is good.

Background

The Roots vacuum pump is a variable displacement vacuum pump which is internally provided with two blade-shaped rotors which synchronously rotate in opposite directions, wherein small gaps are formed between the rotors and the inner wall of a pump shell, and the rotors and the inner wall of the pump shell are not in contact with each other.

Roots vacuum pump can produce a large amount of heats in service, can set up a lot of fin on roots vacuum pump's surface usually and be used for dispelling the heat to roots vacuum pump, but roots vacuum pump's inside heat transfer is for the speed of fin slower, leads to the radiating efficiency not high, if sets up the louvre and dispel the heat, outside dust and moisture can get into roots vacuum pump inside, cause the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Not enough to the aforesaid, the utility model provides a roots vacuum pump that heat dispersion is good can come out the inside heat transfer of roots vacuum pump fast, and the radiating effect is better, improves roots vacuum pump's safety in utilization performance.

The utility model discloses a realize through following technical scheme: a Roots vacuum pump with good heat dissipation performance comprises a Roots vacuum pump body and a heat dissipation box, wherein the Roots vacuum pump body is arranged in the heat dissipation box and comprises a pump body shell and a leaf-shaped rotor arranged in the pump body shell, the bottom of the pump body shell is fixedly connected with a base through a damping device, the bottom of the base is fixedly connected with the heat dissipation box, heat-conducting silica gel is fixedly arranged on the outer side wall of the pump body shell, a first heat dissipation sheet is fixedly arranged on the surface of the heat-conducting silica gel, a second heat dissipation sheet is arranged at the top of the pump body shell and comprises a heat absorption part and a heat dissipation part, the heat absorption part is arranged in an inner cavity of the pump body shell, the heat dissipation part is arranged above the pump body shell, a heat dissipation vent is formed in the middle of the heat dissipation sheet, a plurality of convex rings are arranged on the upper surface of a, the waterproof structure comprises a convex ring and is characterized in that a waterproof cover plate is arranged at the top of the convex ring, the waterproof cover plate comprises a waterproof top plate and a waterproof side plate, a dustproof frame is arranged between the convex ring and the waterproof side plate, the top of the dustproof frame is fixedly connected with the lower surface of the waterproof top plate, the bottom of the dustproof frame is connected with the upper surface of the top plate of a heat dissipation box, a first heat dissipation channel is arranged between the convex ring and the waterproof top plate, a second heat dissipation channel is arranged between the upper surfaces of the top plates of the waterproof side plate and the heat dissipation box, and heat dissipation fans are installed on the.

As a preferred technical scheme of the utility model, be equipped with the controller on the heat dissipation incasement wall, be equipped with temperature sensor on the heat dissipation incasement wall, temperature sensor, radiator fan all with controller electric connection.

As a preferred technical scheme of the utility model, damping device establishes the telescopic cylinder in support section of thick bamboo top including supporting a section of thick bamboo and cover, has seted up smooth chamber in the section of thick bamboo wall of stating the telescopic cylinder, the top setting of supporting a section of thick bamboo is in smooth intracavity, be equipped with elastic mechanism between supporting a section of thick bamboo and the telescopic cylinder, the top of telescopic cylinder and pump body shell's bottom fixed connection, the bottom of supporting a section of thick bamboo and the top fixed connection of base.

As a preferred technical scheme of the utility model, elastic mechanism is including setting up the solid fixed cylinder in the support section of thick bamboo and setting up the telescopic link in a telescopic cylinder, gu fixed cylinder sets up in the inside bottom of a support section of thick bamboo, the top of telescopic link and the inner chamber top fixed connection of a telescopic cylinder, the bottom setting of telescopic link is in gu fixed cylinder and fixedly connected with compression plate, be equipped with the shock attenuation gasbag between the inner chamber bottom of compression plate and solid fixed cylinder, gu fixed cylinder and telescopic link go up the cover and be equipped with damping spring.

As an optimal technical solution of the present invention, the heat dissipation fan and the heat dissipation vent hole are at the same level.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the heat dissipation box, the heat conduction silica gel, the first heat dissipation fin, the second heat dissipation fin, the heat dissipation holes and the heat dissipation fan, heat generated by the Roots vacuum pump body is quickly dissipated, and the damage of the Roots vacuum pump body caused by overhigh temperature due to heat accumulation is avoided;

(2) set up waterproof apron and dustproof frame on the louvre, can prevent that moisture and dust that can avoid the external world from entering into the heat dissipation case through the louvre, and then it is internal to enter into roots vacuum pump, when improving roots vacuum pump body heat dispersion, compromise waterproof dustproof effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a side view of a second fin of the present invention;

fig. 4 is a schematic view of the internal structure of the middle damping device of the present invention.

List of reference numerals: 1. a Roots vacuum pump body; 2. a heat dissipation box; 3. a pump body housing; 4. a lobed rotor; 5. a damping device; 6. a base; 7. heat conducting silica gel; 8. a first heat sink; 9. a second heat sink; 9-1, a heat absorption part; 9-2, a heat dissipation part; 9-3, heat dissipation vent holes; 10. a convex ring; 11. heat dissipation holes; 12. a waterproof cover plate; 13. a waterproof top plate; 14. a waterproof side plate; 15. a dust-proof frame; 16. a first heat dissipation channel; 17. a second heat dissipation channel; 18. a heat radiation fan; 19. a temperature sensor; 20. a support cylinder; 21. a telescopic cylinder; 22. a slide chamber; 23. a fixed cylinder; 24. a telescopic rod; 25. a compression plate; 26. a shock-absorbing air bag; 27. a shock absorbing spring.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, 2 and 3, a roots vacuum pump with good heat dissipation performance comprises a roots vacuum pump body 1 and a heat dissipation box 2, wherein the roots vacuum pump body 1 is arranged in the heat dissipation box 2, the roots vacuum pump body 1 comprises a pump body shell 3 and a lobed rotor 4 arranged in the pump body shell 3, the bottom of the pump body shell 3 is fixedly connected with a base 6 through a damping device 5, the bottom of the base 6 is fixedly connected with the heat dissipation box 2, the outer side wall of the pump body shell 3 is fixedly provided with a heat-conducting silica gel 7, the surface of the heat-conducting silica gel 7 is fixedly provided with a first heat dissipation fin 8, the top of the pump body shell is provided with a second heat dissipation fin 9, the second heat dissipation fin comprises a heat dissipation part 9-1 and a heat dissipation part 9-2, the heat absorption part 9-1 is arranged in the inner cavity of the pump body shell 3, the heat dissipation part 9-2 is arranged above the pump body shell, the roof upper surface of heat dissipation case 2 is equipped with a plurality of protruding circles 10, the roof of heat dissipation case 2 is located the inside louvre 11 that is equipped with of protruding circle 10, protruding circle 10 top is equipped with waterproof apron 12, waterproof apron 12 includes waterproof roof 13 and waterproof curb plate 14, be equipped with dustproof frame 15 between protruding circle 10 and the waterproof curb plate 14, the top of dustproof frame 15 and the lower fixed surface of waterproof roof 13 are connected, the bottom of dustproof frame 15 and the roof upper surface of heat dissipation case 2 are connected, be equipped with first heat dissipation channel 16 between protruding circle 10 and the waterproof roof 13, be equipped with second heat dissipation channel 17 between the roof upper surface of waterproof curb plate 14 and heat dissipation case 2, install radiator fan 18 on the lateral wall about heat dissipation case 2 inner chamber.

As an embodiment of the utility model, be equipped with the controller on the 2 outer walls of heat dissipation case, be equipped with temperature sensor 19 on the 2 inner walls of heat dissipation case, temperature sensor 19, radiator fan 18 all with controller electric connection.

As an embodiment of the present invention, as shown in fig. 4, the damping device 5 includes a supporting cylinder 20 and a telescopic cylinder 21 which is arranged above the supporting cylinder 20, a sliding cavity 22 is formed in the cylinder wall of the telescopic cylinder 21, the top of the supporting cylinder 20 is arranged in the sliding cavity 22, an elastic mechanism is arranged between the supporting cylinder 20 and the telescopic cylinder 21, the top of the telescopic cylinder 21 is fixedly connected with the bottom of the pump body housing 3, and the bottom of the supporting cylinder 20 is fixedly connected with the top of the base 6.

As an embodiment of the present invention, the elastic mechanism comprises a fixed cylinder 23 disposed in the supporting cylinder 20 and a telescopic rod 24 disposed in the telescopic cylinder 21, the fixed cylinder 23 is arranged at the bottom inside the supporting cylinder 20, the top end of the telescopic rod 24 is fixedly connected with the top of the inner cavity of the telescopic cylinder 21, the bottom end of the telescopic rod 24 is arranged in the fixed cylinder 23 and is fixedly connected with a compression plate 25, a damping air bag 26 is arranged between the compression plate 25 and the bottom of the inner cavity of the fixed cylinder 23, a damping spring 27 is sleeved on the fixed cylinder 23 and the telescopic rod 24, when the roots vacuum pump body 1 vibrates, the telescopic cylinder 24 moves downwards to compress the damping spring 27, meanwhile, the telescopic rod 24 drives the compression plate 25 to compress the damping air bag 26, double damping is achieved, the damping effect is good, vibration generated by the Roots vacuum pump body 1 is absorbed, and vibration of the Roots vacuum pump body 1 is reduced.

As an embodiment of the present invention, the heat dissipation fan 18 and the heat dissipation vent 9-3 are at the same level, so as to accelerate the dissipation of heat from the heat dissipation vent 9-3 and improve the overall heat dissipation efficiency.

When the utility model works, a large amount of heat can be generated in the Roots vacuum pump body 1, one part of the heat is transmitted to the heat-conducting silica gel 7 through the pump body shell 8 and then transmitted to the second heat dissipation fins 9, the other part is absorbed by the heat absorption part 9-1 and transmitted to the heat dissipation part 9-2, and then dissipated through the heat dissipation vent hole 9-3, and finally discharged out of the heat dissipation box 2 through the heat dissipation hole 11, the first heat dissipation channel 16 and the second heat dissipation channel 17, the controller is a single chip microcomputer chip, the highest temperature can be set through the controller, when the temperature sensor 19 detects that the highest temperature is reached in the heat dissipation box 2, the controller can start the heat dissipation electric fan 18 to accelerate the dissipation of the heat in the heat dissipation box 2, through the waterproof cover plate 12 and the dustproof frame 15, the external moisture and dust can be prevented from entering the heat dissipation box 2 through, improve roots vacuum pump body 1 heat dispersion's performance simultaneously, compromise waterproof dustproof effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a roots vacuum pump that heat dispersion is good which characterized in that: the roots vacuum pump body is arranged in the heat dissipation box and comprises a pump body shell and a blade-shaped rotor arranged in the pump body shell, the bottom of the pump body shell is fixedly connected with a base through a damping device, the bottom of the base is fixedly connected with the heat dissipation box, heat-conducting silica gel is fixedly arranged on the outer side wall of the pump body shell, first radiating fins are fixedly arranged on the surface of the heat-conducting silica gel, second radiating fins are arranged at the top of the pump body shell and comprise heat absorbing parts and radiating parts, the heat absorbing parts are arranged in an inner cavity of the pump body shell, the radiating parts are arranged above the pump body shell, radiating holes are formed in the middle of the radiating parts, a plurality of convex rings are arranged on the upper surface of a top plate of the heat dissipation box, radiating holes are formed in the convex rings, and waterproof cover plates are arranged at the tops of the convex rings, the waterproof cover plate comprises a waterproof top plate and a waterproof side plate, a dustproof frame is arranged between the convex ring and the waterproof side plate, the top of the dustproof frame is fixedly connected with the lower surface of the waterproof top plate, the bottom of the dustproof frame is connected with the upper surface of the top plate of the heat dissipation box, a first heat dissipation channel is arranged between the convex ring and the waterproof top plate, a second heat dissipation channel is arranged between the upper surfaces of the top plates of the waterproof side plate and the heat dissipation box, and heat dissipation fans are installed on the left side wall and the right side wall of the inner cavity of the heat dissipation box.

2. The roots vacuum pump as claimed in claim 1, wherein: the heat dissipation box is characterized in that a controller is arranged on the outer wall of the heat dissipation box, a temperature sensor is arranged on the inner wall of the heat dissipation box, and the temperature sensor and the heat dissipation fan are electrically connected with the controller.

3. The roots vacuum pump as claimed in claim 1, wherein: the damping device comprises a supporting cylinder and a telescopic cylinder which is sleeved above the supporting cylinder, a sliding cavity is formed in the wall of the telescopic cylinder, the top of the supporting cylinder is arranged in the sliding cavity, an elastic mechanism is arranged between the supporting cylinder and the telescopic cylinder, the top of the telescopic cylinder is fixedly connected with the bottom of the pump body shell, and the bottom of the supporting cylinder is fixedly connected with the top of the base.

4. A roots vacuum pump as claimed in claim 3, which is characterized in that: elastic mechanism is including setting up the solid fixed cylinder in a support section of thick bamboo and setting up the telescopic link in a telescopic cylinder, gu fixed cylinder sets up in the inside bottom of a support section of thick bamboo, the top of telescopic link and the inner chamber top fixed connection of a telescopic cylinder, the bottom setting of telescopic link is in gu fixed cylinder and fixedly connected with compression plate, be equipped with the shock attenuation gasbag between the inner chamber bottom of compression plate and solid fixed cylinder, gu fixed cylinder and telescopic link go up the cover and be equipped with damping spring.

5. The roots vacuum pump as claimed in claim 1, wherein: the heat radiation fan and the heat radiation ventilation hole are at the same horizontal height.

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