CN218509711U

CN218509711U - Oil-free screw vacuum pump

Info

Publication number: CN218509711U
Application number: CN202222515876.2U
Authority: CN
Inventors: 冯朝志; 冯朝霞
Original assignee: Dongyuan Energy Saving Technology Suzhou Co ltd
Current assignee: Dongyuan Energy Saving Technology Suzhou Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-02-21
Anticipated expiration: 2032-09-22

Abstract

The application provides an oilless screw vacuum pump belongs to screw vacuum pump technical field. The oil-free screw vacuum pump comprises a supporting base and a screw vacuum pump. In the implementation process, and then blow into inside a plurality of second ventiduces with wind through a plurality of first ventiduces, the inside wind of a plurality of second ventiduces can be blown on the one hand on the lower surface of screw vacuum pump, on the other hand can cool down the heat dissipation to radiating fin, and the both ends of a plurality of second ventiduces are with external direct intercommunication, the inside wind of a plurality of second ventiduces can carry the heat and directly get into in the environment on every side from the both ends in second ventiduces, can dispel the heat to the screw vacuum pump, can drive screw vacuum pump and fixed frame, gas between first backup pad and the second backup pad flows, and then can reduce the radiating influence of support base to the screw vacuum pump, be favorable to the heat dissipation of screw vacuum pump.

Description

Oil-free screw vacuum pump

Technical Field

The application relates to the field of screw vacuum pumps, in particular to an oil-free screw vacuum pump.

Background

The screw vacuum pump is an air extraction device which utilizes a pair of screws to synchronously rotate in a high speed and reverse direction in a pump shell to generate air suction and exhaust functions, is a renewal product of an oil seal type vacuum pump, and has a renewal situation of vacuum obtaining products along with the increasing of the market demand of dry vacuum pumps in recent years, and a large number of oil-containing vacuum systems are replaced by oil-free clean vacuum systems.

The bottom that does not have oily screw vacuum pump generally all sets the support base and supports, and do not have oily screw vacuum pump in the course of the work, its inside temperature can be continuous risees, therefore need cool down the heat dissipation in not having oily screw vacuum pump work, and in the oily screw vacuum pump technique of relevance, the support base that does not have oily screw vacuum pump bottom does not lack heat radiation structure yet, it is relatively poor not have oily screw vacuum pump and the mobility of air that supports between the base, it can cause the influence to the heat dissipation that does not have oily screw vacuum pump to support the base, be unfavorable for the heat dissipation that does not have oily screw vacuum pump.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, this application provides an oilless screw vacuum pump, aims at improving and supports the base and can lead to the fact the influence to oilless screw vacuum pump's heat dissipation, is unfavorable for the radiating problem of oilless screw vacuum pump.

The embodiment of the application provides an oilless screw vacuum pump, including supporting base and screw vacuum pump.

The supporting base comprises supporting legs, a fixed frame, a first supporting plate, a second supporting plate, radiating fins and fans, wherein the supporting legs are connected to the lower surface of the fixed frame, the first supporting plate is provided with a plurality of blocks which are fixedly connected to the inside of the fixed frame and are adjacent to the first supporting plate, a first ventilation channel is reserved between the first supporting plate, the second supporting plate is provided with a plurality of blocks which are fixedly connected to the lower surface of the second supporting plate and are uniformly distributed on the upper surface of the first supporting plate, and the second supporting plate is provided with a plurality of adjacent blocks which are fixedly connected to the lower surface of the second supporting plate and are adjacent to the second supporting plate, a plurality of channels are arranged between the second supporting plate, the second ventilation channel is communicated with the first ventilation channel, and the two ends of the second ventilation channel are directly communicated with the outside, the radiating fins are provided with a plurality of blocks which are fixedly connected to the bottom surfaces of the radiating fins, the fans are connected to the inside of the fixed frame, and the fans are located below the first ventilation channel.

The lower surface of the screw vacuum pump is fixedly connected to the upper surfaces of the plurality of second supporting plates, and the lower surface of the screw vacuum pump is fixedly connected with the upper surfaces of the plurality of radiating fins.

In the implementation process, when the screw vacuum pump works, the heat inside the screw vacuum pump can be transferred to the inside of the plurality of second air channels and the radiating fins in a heat transfer mode, the fan can blow air upwards, and then the air is blown into the inside of the plurality of second air channels through the plurality of first air channels, the air entering the inside of the plurality of second air channels can blow on the lower surface of the screw vacuum pump on the one hand, and then the screw vacuum pump is radiated, on the other hand, the radiating fins can be cooled and radiated, the two ends of the plurality of second air channels are directly communicated with the outside, the air entering the inside of the plurality of second air channels can carry heat to directly enter the surrounding environment from the two ends of the second air channels, the screw vacuum pump can be radiated, the air between the screw vacuum pump and the fixed frame and between the first supporting plate and the second supporting plate can be driven to flow, and then the influence of the supporting base on the radiation of the screw vacuum pump can be reduced, and the radiation of the screw vacuum pump is facilitated.

In a specific embodiment, the number of the supporting legs is four, and the top ends of the four supporting legs are respectively and fixedly connected with four corners of the lower surface of the fixing frame in a one-to-one correspondence mode.

In a specific embodiment, a plurality of the heat dissipation fins are respectively and correspondingly fixedly connected to the insides of a plurality of the second supporting plates.

In a specific implementation scheme, first through holes are formed in two sides of the plurality of second supporting plates, second through holes are formed in sheet bodies of the plurality of radiating fins, and two ends of each second through hole are communicated with the corresponding first through hole respectively.

In a specific implementation scheme, a plurality of the first through holes on two sides of the second supporting plate are respectively provided with a plurality of the second through holes on the radiating fin body, and two ends of the second through holes are respectively communicated with the first through holes.

In a specific embodiment, a plurality of the second through holes are uniformly distributed, and the plurality of the second through holes are communicated with the second ventilation channel through the first through holes.

In a specific embodiment, a connecting rod is fixedly connected to the side wall of the fan, and one end, far away from the fan, of the connecting rod is fixedly connected with the inner wall of the fixing frame.

In a specific embodiment, the connecting rod is provided with a plurality of roots, a plurality of connecting rods evenly distributed, a plurality of connecting rods are kept away from the fan one end all with the inner wall fixed connection of fixed frame.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of an oil-free screw vacuum pump provided in an embodiment of the present application;

FIG. 2 is a schematic view of a support base structure provided in an embodiment of the present application;

fig. 3 is a schematic top structural view of a fixing frame and a first support plate provided in an embodiment of the present application;

fig. 4 is a schematic top structural view of a fixing frame, a first supporting plate and a second supporting plate provided in an embodiment of the present application.

In the figure: 100-a support base; 110-support legs; 120-a fixed frame; 130-a first support plate; 140-a second support plate; 141-a first via; 150-heat dissipation fins; 151-second via; 160-a fan; 161-connecting rod; 170-a first air duct; 180-a second ventilation channel; 200-screw vacuum pump.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1, the present application provides an oil-free screw vacuum pump, which includes a support base 100 and a screw vacuum pump 200.

Referring to fig. 1 to 4, the support base 100 includes support legs 110, a fixing frame 120, four first support plates 130, second support plates 140, heat dissipation fins 150 and fans 160, the support legs 110 are connected to a lower surface of the fixing frame 120, the support legs 110 are four, the top ends of the four support legs 110 are respectively fixedly connected to four corners of the lower surface of the fixing frame 120 in a one-to-one correspondence, the first support plates 130 are provided with a plurality of blocks, the plurality of first support plates 130 are uniformly and fixedly connected to the inside of the fixing frame 120, first air channels 170 are respectively reserved between two adjacent first support plates 130, the second support plates 140 are provided with a plurality of blocks, the lower surfaces of the plurality of second support plates 140 are fixedly connected to upper surfaces of the plurality of first support plates 130, the plurality of second support plates 140 are uniformly distributed, second air channels 180 are respectively provided between two adjacent second support plates 140, and the plurality of second air channels 180 are communicated with the plurality of first air channels 170.

In this application, radiating fin 150 is provided with a plurality of, a plurality of radiating fin 150's bottom surface all with a plurality of first backup pad 130 fixed connection, a plurality of radiating fin 150 respectively one-to-one's fixed connection in a plurality of second backup pad 140's inside, first through-hole 141 has all been seted up to a plurality of second backup pad 140's both sides, second through-hole 151 has all been seted up to a plurality of radiating fin 150's lamellar body, the both ends of second through-hole 151 are equallyd divide and are do not linked together with first through-hole 141, a plurality of has all been seted up to the first through-hole 141 at a plurality of second backup pad 140 both sides, a plurality of has all been seted up to second through-hole 151 on a plurality of radiating fin 150 lamellar body, the both ends of a plurality of second through-hole 151 are equallyd divide and do not communicate first through-hole 141, a plurality of second through-hole 151 evenly distributed, a plurality of second through-hole 151 all is linked together with second through-hole 180 through first through-hole 141.

In this embodiment, the fan 160 is connected inside the fixed frame 120, the fan 160 is located below the plurality of first air ducts 170, the side wall of the fan 160 is fixedly connected with the connecting rod 161, one end of the connecting rod 161 away from the fan 160 is fixedly connected with the inner wall of the fixed frame 120, the connecting rod 161 is provided with a plurality of connecting rods 161 which are uniformly distributed, and one end of each connecting rod 161 away from the fan 160 is fixedly connected with the inner wall of the fixed frame 120.

Referring to fig. 1 and 2, the lower surface of the screw vacuum pump 200 is fixedly connected to the upper surfaces of the second support plates 140, and the lower surface of the screw vacuum pump 200 is fixedly connected to the upper surfaces of the heat dissipation fins 150.

Specifically, the working principle of the oil-free screw vacuum pump is as follows: when the screw vacuum pump 200 works, heat inside the screw vacuum pump 200 can be transferred to the inside of the plurality of second air channels 180 and the heat dissipation fins 150 through a heat transfer mode, the fan 160 is turned on, when the fan 160 works, the fan 160 blows air upwards, and then blows air into the inside of the plurality of second air channels 180 through the plurality of first air channels 170, the air entering the inside of the plurality of second air channels 180 can be blown onto the lower surface of the screw vacuum pump 200, and then the screw vacuum pump 200 is cooled, and the air entering the inside of the plurality of second air channels 180 can pass through the second through holes 151, and then the heat dissipation fins 150 are cooled and dissipated, and two ends of the plurality of second air channels 180 are directly communicated with the outside, the air entering the inside of the plurality of second air channels 180 can carry heat to directly enter the surrounding environment from two ends of the second air channels 180, and can dissipate heat of the screw vacuum pump 200, and the gas between the first supporting plate 130 and the second supporting plate 140 can be driven to flow, and the influence of the screw vacuum pump 200 on heat dissipation is reduced, and the heat dissipation of the screw vacuum pump 200 is beneficial for the screw vacuum pump 200.

It should be noted that the specific model specification of the fan 160 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the fan 160 and its principle will be clear to those skilled in the art and will not be described in detail here.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An oil-free screw vacuum pump is characterized by comprising

A support base (100), the support base (100) comprising support legs (110), a fixing frame (120), a first support plate (130), a second support plate (140), heat dissipation fins (150) and a fan (160), the support legs (110) are connected to a lower surface of the fixing frame (120), the first supporting plates (130) are provided with a plurality of blocks, the first supporting plates (130) are uniformly and fixedly connected inside the fixing frame (120), a first air duct (170) is reserved between every two adjacent first supporting plates (130), the second supporting plate (140) is provided with a plurality of blocks, the lower surfaces of the plurality of second supporting plates (140) are fixedly connected with the upper surfaces of the plurality of first supporting plates (130), the plurality of second supporting plates (140) are uniformly distributed, a second air channel (180) is arranged between every two adjacent second supporting plates (140), the plurality of second air channels (180) are communicated with the plurality of first air channels (170), a plurality of radiating fins (150) are arranged, the bottom surfaces of the radiating fins (150) are fixedly connected with the first supporting plates (130), the fan (160) is connected to the inside of the fixing frame (120), the fan (160) is positioned below the first air channels (170);

the lower surface of the screw vacuum pump (200) is fixedly connected to the upper surfaces of the plurality of second supporting plates (140), and the lower surface of the screw vacuum pump (200) is fixedly connected with the upper surfaces of the plurality of radiating fins (150).

2. An oil-free screw vacuum pump as claimed in claim 1, wherein the number of the supporting legs (110) is four, and the top ends of the four supporting legs (110) are respectively fixedly connected with the four corners of the lower surface of the fixing frame (120) in a one-to-one correspondence manner.

3. An oil-free screw vacuum pump as claimed in claim 1, wherein a plurality of the heat dissipating fins (150) are fixedly connected to the inside of a plurality of the second supporting plates (140) in a one-to-one correspondence.

4. An oil-free screw vacuum pump as claimed in claim 3, wherein the second support plates (140) are provided with first through holes (141) on both sides thereof, the fins of the heat dissipation fins (150) are provided with second through holes (151), and both ends of the second through holes (151) are respectively communicated with the first through holes (141).

5. An oil-free screw vacuum pump as claimed in claim 4, wherein the first through holes (141) on two sides of the second support plate (140) are opened with a plurality of numbers, the second through holes (151) on the body of the heat dissipation fins (150) are opened with a plurality of numbers, and two ends of the second through holes (151) are respectively communicated with the first through holes (141).

6. An oil-free screw vacuum pump according to claim 5, wherein a plurality of the second through holes (151) are uniformly distributed, and a plurality of the second through holes (151) are communicated with the second ventilation channel (180) through the first through holes (141).

7. An oil-free screw vacuum pump as claimed in claim 1, wherein a connecting rod (161) is fixedly connected to a side wall of the fan (160), and one end of the connecting rod (161) far away from the fan (160) is fixedly connected to an inner wall of the fixed frame (120).

8. An oil-free screw vacuum pump as claimed in claim 7, wherein the connecting rods (161) are provided with a plurality of connecting rods (161), the plurality of connecting rods (161) are uniformly distributed, and one ends of the plurality of connecting rods (161) far away from the fan (160) are fixedly connected with the inner wall of the fixed frame (120).