CN221053920U

CN221053920U - Dry-type screw vacuum pump cavity heat sink

Info

Publication number: CN221053920U
Application number: CN202322929421.XU
Authority: CN
Inventors: 胡艳辉; 南国栋; 李华; 白坤; 张村; 蔚永婧
Original assignee: Northwest Sales Lanzhou Branch Of China National Petroleum Corp
Current assignee: Northwest Sales Lanzhou Branch Of China National Petroleum Corp
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-05-31
Anticipated expiration: 2033-10-30

Abstract

The utility model discloses a cooling device for a cavity of a dry screw vacuum pump, which belongs to the technical field of vacuum pump equipment and comprises a bottom plate, a vacuum pump assembly and cooling devices, wherein the vacuum pump assembly is arranged on the upper end surface of the bottom plate, the cooling devices are symmetrically arranged at the left end and the right end of the vacuum pump assembly, the vacuum pump assembly comprises a pump body, and the left wall and the right wall of the pump body are semicircular; the cooling device comprises a rectangular shell, a heat conduction cavity is arranged in the rectangular shell, a plurality of evenly distributed heat conduction fins are arranged between the inner bottom surface and the inner top surface of the heat conduction cavity, a plurality of copper heat conduction pipes penetrating from right to left are arranged between the plurality of heat conduction fins, and one sides, close to the left wall and the right wall of the pump body, of the plurality of copper heat conduction pipes are spliced with heat conduction attaching pieces. The equipment has the advantages of simple structure and convenient operation, realizes the cooling function of the vacuum pump by arranging the cooling device, the copper heat-conducting pipe, the heat-conducting attaching piece and other part structures, and avoids overhigh temperature in the use process, so that the service life is shortened.

Description

Dry-type screw vacuum pump cavity heat sink

Technical Field

The utility model relates to the technical field of vacuum pump equipment, in particular to a cooling device for a cavity of a dry screw vacuum pump.

Background

The vacuum pump is the basic part of the vacuum apparatus. With the progress of society and the development of economy, the requirements on working environment and the performance requirements of vacuum pumps are higher and higher due to the gradual submission of the living standard of people. The screw vacuum pump is an ideal dry pump in the 90 th century of the 20 th century, has a wide application prospect and development potential, and plays an important role in the vacuum pump market. The dry screw vacuum pump uses a pair of screws that are rotated in a pump housing in a synchronous, high speed, reverse direction to create suction and discharge. ;

CN213419363U, which comprises a placing table, wherein the four corners of the bottom of the placing table are fixedly provided with a bracket, the top of the placing table is provided with a transverse table, the top side of the transverse table is provided with three first small holes at equal intervals along the vertical direction, the buffer fixing rods are movably installed in the three first small holes, the top ends of the buffer fixing rods extend to the upper parts of the first small holes, the bottom of the buffer fixing rods is fixedly installed on the placing table, and the top side of the transverse table is fixedly provided with a plurality of straight rods at equal intervals.

The above mentioned devices lack a cooling mechanism, and there is no way to cool the pump body during use, because the high temperature generated during use greatly shortens the service life of the vacuum pump.

Disclosure of utility model

The utility model aims to provide a dry type screw vacuum pump cavity cooling device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the cooling device comprises a bottom plate, a vacuum pump assembly and a cooling device, wherein the vacuum pump assembly is arranged on the upper end surface of the bottom plate, the cooling device is symmetrically arranged at the left end and the right end of the vacuum pump assembly, the vacuum pump assembly comprises a pump body, and the left wall and the right wall of the pump body are semicircular;

The cooling device comprises a rectangular shell, a heat conducting cavity is arranged in the rectangular shell, a plurality of evenly distributed heat conducting fins are arranged between the inner bottom surface and the inner top surface of the heat conducting cavity, a plurality of copper heat conducting pipes penetrating from right to left are arranged between the plurality of heat conducting fins, a plurality of heat conducting attaching pieces are inserted to one sides, close to the left wall and the right wall of the pump body, of the copper heat conducting pipes, and the heat conducting attaching pieces are attached to the left wall and the right wall of the pump body.

As a preferable implementation mode of the cooling device for the cavity of the dry screw vacuum pump, provided by the utility model, the following one is adopted: the cooling device further comprises a ring pipe arranged on the inner wall of the rectangular shell, fixing rods are symmetrically arranged on the inner wall of the ring pipe, a motor is fixed between the fixing rods and symmetrically arranged, and radiating fins are arranged at the output end of the motor.

As a preferable implementation mode of the cooling device for the cavity of the dry screw vacuum pump, provided by the utility model, the following one is adopted: the vacuum pump assembly further comprises a motor arranged on the upper end face of the bottom plate, the motor is located at the rear end of the pump body, and the motor is used for driving the pump body to work.

As a preferable implementation mode of the cooling device for the cavity of the dry screw vacuum pump, provided by the utility model, the following one is adopted: the lower terminal surface of motor is equipped with the fixing base, the fixing base is installed the up end of bottom plate and with the outer wall laminating of motor.

As a preferable implementation mode of the cooling device for the cavity of the dry screw vacuum pump, provided by the utility model, the following one is adopted: the upper end face of the motor is provided with a lifting hook safety buckle, and the lifting hook safety buckle is used for hoisting the motor.

As a preferable implementation mode of the cooling device for the cavity of the dry screw vacuum pump, provided by the utility model, the following one is adopted: the front end face of the pump body is provided with a flange inlet end, and the upper end face of the pump body is provided with a flange outlet end.

As a preferable implementation mode of the cooling device for the cavity of the dry screw vacuum pump, provided by the utility model, the following one is adopted: and one end of the rectangular shell, which is arranged in bilateral symmetry and is far away from each other, is provided with an exhaust grid communicated with the inside of the heat conduction cavity.

As a preferable implementation mode of the cooling device for the cavity of the dry screw vacuum pump, provided by the utility model, the following one is adopted: the lower end face of the bottom plate is symmetrically provided with heightening isolation seats.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the cooling function of the vacuum pump is realized through the structures of the parts such as the cooling device, the rectangular shell, the heat conducting cavity, the heat conducting sheet, the copper heat conducting pipe, the heat conducting attaching piece and the like, the pump body heats in the use process, the heat is conducted to the copper heat conducting pipe through the heat conducting attaching piece, then the heat is conveyed to the heat conducting sheet through the copper heat conducting pipe to be evacuated to the heat conducting cavity, and the motor is started to drive the heat radiating fin to operate so as to dissipate the heat in the heat conducting cavity.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

fig. 4 is an enlarged view of the utility model at B.

In the figure: 1. a vacuum pump assembly; 11. a pump body; 12. a motor; 13. a fixing seat; 14. the lifting hook is a safety buckle; 15. a flange inlet end; 16. a flange outlet end; 2. a cooling device; 21. a rectangular housing; 211. a thermally conductive cavity; 212. a heat conductive sheet; 213. copper heat conduction pipe; 214. a heat-conducting attaching member; 22. a grommet; 23. a fixed rod; 24. a motor; 25. a heat radiation fin; 26. an exhaust grill; 3. a bottom plate; 4. and (5) heightening the isolation seat.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a dry-type screw vacuum pump cavity heat sink, includes bottom plate 3, vacuum pump subassembly 1, heat sink 2, vacuum pump subassembly 1 installs the up end of bottom plate 3, heat sink 2 symmetry installs the left and right sides of vacuum pump subassembly 1, vacuum pump subassembly 1 includes pump body 11, and the left and right sides wall of this pump body 11 is semicircle arc;

The cooling device 2 comprises a rectangular shell 21, a heat conducting cavity 211 is arranged in the rectangular shell 21, a plurality of evenly distributed heat conducting fins 212 are arranged between the inner bottom surface and the inner top surface of the heat conducting cavity 211, a plurality of copper heat conducting pipes 213 penetrating from right to left are arranged between the plurality of heat conducting fins 212, a plurality of heat conducting attaching pieces 214 are inserted into one sides, close to the left wall and the right wall of the pump body 11, of the copper heat conducting pipes 213, and the heat conducting attaching pieces 214 are attached to the left wall and the right wall of the pump body 11.

As a preferred solution, the cooling device 2 further includes a collar 22 mounted on the inner wall of the rectangular housing 21, fixing rods 23 are symmetrically disposed on the inner wall of the collar 22, a motor 24 is fixed between the symmetrically disposed fixing rods 23, and a heat dissipating fin 25 is disposed at the output end of the motor 24, and in particular, the design can play a role in evacuating heat in the heat conducting cavity 211.

As a preferred solution, the vacuum pump assembly 1 further includes a motor 12 mounted on the upper end surface of the bottom plate 3, the motor 12 is located at the rear end of the pump body 11, the motor 12 is used for driving the pump body 11 to work, specifically, the motor 12 operates to drive the parts in the dry screw vacuum pump to work, so as to achieve the effects of air suction and air exhaust.

As a preferred solution, the lower end surface of the motor 12 is provided with a fixing seat 13, the fixing seat 13 is mounted on the upper end surface of the bottom plate 3 and is attached to the outer wall of the motor 12, and specifically, the fixing seat 13 plays a role in preventing the motor 12 from being damaged due to random movement.

As a preferred scheme, still further, the up end of motor 12 is equipped with lifting hook safety knot 14, and lifting hook safety knot 14 is used for hoist and mount motor 12, and specifically, lifting hook safety knot 14 plays and separates shelves and guard action, can effectually prevent that the heavy object from taking place to fall.

As a preferred solution, the front end surface of the pump body 11 is provided with a flange inlet end 15, and the upper end surface of the pump body 11 is provided with a flange outlet end 16, which specifically plays a role in connecting corresponding working pipelines.

Preferably, the end of the rectangular housing 21 that is far from each other and symmetrically arranged is provided with an exhaust grille 26 that is communicated with the inside of the heat conducting cavity 211, and specifically, the exhaust grille 26 plays a role of exhausting the hot air in the heat conducting cavity 211.

As a preferable scheme, further, the lower end face of the bottom plate 3 is symmetrically provided with heightening isolation seats 4, and specifically, the heightening isolation seats 4 have the function of increasing the height and preventing moisture.

All electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric parts, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted.

The utility model provides a dry type screw vacuum pump cavity cooling device, which is used as follows: the equipment is arranged at a required position, the flange inlet end 15 and the flange outlet end 16 are connected with corresponding pipelines, a power supply is connected, the starting motor 12 drives all parts in the pump body 11 to start working, during working, the parts in the pump body 11 generate a large amount of heat, the heat is conducted to the copper heat conducting pipe 213 through the heat conducting attaching piece 214, then the heat is conveyed to the heat conducting sheet 212 through the copper heat conducting pipe 213 to be evacuated to the heat conducting cavity 211, meanwhile, the motor 24 is started to drive the heat radiating fin 25 to operate to generate air flow exhausted to the outside, the heat in the heat conducting cavity 211 is dissipated through the exhaust grille 26, the temperature of the pump body 11 is maintained to reach an equilibrium state, and the situation that the equipment cannot operate due to overhigh temperature in the use process is avoided, so that the service life of the equipment is shortened.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation; meanwhile, unless explicitly specified and limited otherwise, the terms "engaged", "coupled", "plugged", "welded", "mounted", "provided" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

1. The utility model provides a dry-type screw vacuum pump cavity heat sink, includes bottom plate (3), vacuum pump subassembly (1), heat sink (2), vacuum pump subassembly (1) are installed the up end of bottom plate (3), heat sink (2) symmetry are installed both ends, its characterized in that about vacuum pump subassembly (1): the vacuum pump assembly (1) comprises a pump body (11), wherein the left wall and the right wall of the pump body (11) are semicircular;

The cooling device (2) comprises a rectangular shell (21), a heat conducting cavity (211) is formed in the rectangular shell (21), a plurality of evenly distributed heat conducting fins (212) are arranged between the inner bottom surface and the inner top surface of the heat conducting cavity (211), a plurality of copper heat conducting pipes (213) penetrating from right to left are arranged between the heat conducting fins (212), a plurality of copper heat conducting pipes (213) are close to one sides of the left wall and the right wall of the pump body (11), heat conducting attaching pieces (214) are inserted into one sides of the left wall and the right wall of the pump body (11), and the heat conducting attaching pieces (214) are attached to the left wall and the right wall of the pump body (11).

2. The dry screw vacuum pump chamber cooling device of claim 1, wherein: the cooling device (2) further comprises a ring pipe (22) arranged on the inner wall of the rectangular shell (21), fixing rods (23) are symmetrically arranged on the inner wall of the ring pipe (22), a motor (24) is fixed between the symmetrically arranged fixing rods (23), and radiating fins (25) are arranged at the output end of the motor (24).

3. The dry screw vacuum pump chamber cooling device of claim 2, wherein: the vacuum pump assembly (1) further comprises a motor (12) arranged on the upper end face of the bottom plate (3), the motor (12) is located at the rear end of the pump body (11), and the motor (12) is used for driving the pump body (11) to work.

4. A dry screw vacuum pump chamber cooling device according to claim 3, wherein: the lower end face of the motor (12) is provided with a fixed seat (13), and the fixed seat (13) is installed on the upper end face of the bottom plate (3) and is attached to the outer wall of the motor (12).

5. The cooling device for a cavity of a dry screw vacuum pump according to claim 4, wherein: the lifting hook safety buckle (14) is arranged on the upper end face of the motor (12), and the lifting hook safety buckle (14) is used for hoisting the motor (12).

6. The cooling device for a cavity of a dry screw vacuum pump according to claim 5, wherein: the front end face of the pump body (11) is provided with a flange inlet end (15), and the upper end face of the pump body (11) is provided with a flange outlet end (16).

7. The dry screw vacuum pump chamber cooling device of claim 1, wherein: and one end, far away from each other, of the rectangular shell (21) which is arranged in a bilateral symmetry manner is provided with an exhaust grid (26) communicated with the inside of the heat conducting cavity (211).

8. The dry screw vacuum pump chamber cooling device of claim 1, wherein: the lower end face of the bottom plate (3) is symmetrically provided with heightening isolation seats (4).