CN219827150U - Screw vacuum pump and water cooling structure thereof - Google Patents
Screw vacuum pump and water cooling structure thereof Download PDFInfo
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- CN219827150U CN219827150U CN202321085825.9U CN202321085825U CN219827150U CN 219827150 U CN219827150 U CN 219827150U CN 202321085825 U CN202321085825 U CN 202321085825U CN 219827150 U CN219827150 U CN 219827150U
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- water
- cooling
- pump body
- shell
- exhaust end
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- 238000001816 cooling Methods 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000011229 interlayer Substances 0.000 claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model provides a water cooling structure for a screw vacuum pump, which is characterized by comprising a pump body shell, wherein the pump body shell comprises a circular cooling shell at one side close to an exhaust end and a heat dissipation shell at one side far away from the exhaust end; a water-cooling interlayer is formed in the shell wall of the pump body shell, and the water-cooling interlayer at the annular cooling shell is arranged around the central line of the pump body; the water inlet of the water-cooling interlayer is positioned at one side close to the exhaust end, and the water outlet of the water-cooling interlayer is positioned at one side far away from the exhaust end; the outer surface of the heat dissipation shell is provided with heat dissipation fins. The heat dissipation can be realized in a targeted manner according to the temperature difference between the exhaust end and the air inlet end of the screw vacuum pump.
Description
Technical Field
The utility model relates to the field of screw vacuum pumps, in particular to a screw vacuum pump and a water cooling structure thereof.
Background
The screw vacuum pump (also called screw pump or vacuum pump) is an air extracting device which uses a pair of screws to make synchronous high-speed reverse rotation in pump shell to produce air suction and air exhaust action, and can extract air containing large quantity of water vapor and small quantity of dust.
In many applications, such as, for example, semiconductors, high temperature chemical processes, etc., the gas pumped by the screw vacuum pump is often in a high temperature state. High-temperature gas enters the pump body through the gas inlet channel and is finally discharged through the gas outlet of the pump. The high-temperature gas can transfer partial heat to the pump body, and simultaneously, a large amount of heat is generated because the pump body is continuously compressed by the pump body, and finally, the temperature of the pump body exceeds the load, so that the parts inside the pump body are possibly deformed due to the high temperature, and the life of the pump body and the safety of personnel are threatened. Therefore, the protection of the pump itself and the safety of the user by cooling the pump body is a highly-needed problem.
Generally, the closer to the exhaust port, the more intense the gas compression, the higher the temperature and the greater the cooling intensity required; meanwhile, the gas pumped by the vacuum pump is usually required to be recycled, so that the cooling strength of the screw vacuum pump is required to be on the premise of not influencing the recycling temperature.
Disclosure of Invention
The utility model mainly aims to provide a screw pump and a wax melting and burning preventing system thereof, so as to solve the technical problems.
In order to achieve the above object, the water cooling structure for the screw vacuum pump provided by the utility model comprises a pump body shell, wherein the pump body shell comprises a ring cooling shell at one side close to an exhaust end and a heat dissipation shell at one side far away from the exhaust end; a water-cooling interlayer is formed in the shell wall of the pump body shell, and the water-cooling interlayer at the annular cooling shell is arranged around the central line of the pump body; the water inlet of the water-cooling interlayer is positioned at one side close to the exhaust end, and the water outlet of the water-cooling interlayer is positioned at one side far away from the exhaust end; the outer surface of the heat dissipation shell is provided with heat dissipation fins.
Preferably, the water-cooling interlayer at the heat dissipation shell is positioned in the shell wall of the upper half part of the pump body shell.
Preferably, a water outlet is arranged at the bottom of the annular cooling shell, and a detachable water outlet cover is arranged on the water outlet.
Preferably, the top of the annular cooling shell is provided with a water inlet, and a detachable water inlet and outlet cover is arranged on the water inlet.
Preferably, the water inlet is arranged at the top of one side of the pump body shell, which is close to the exhaust end, and the water outlet is arranged at the top of one side of the pump body shell, which is far away from the exhaust end.
Preferably, the pump body shell is integrally formed, and a plurality of support columns extending along the radial direction of the pump body are further arranged in the water-cooling interlayer so as to be connected with two side walls of the water-cooling interlayer.
The utility model also provides a screw vacuum pump, which comprises a pump body shell, a screw, a motor, an air inlet pipe and an air outlet pipe, and is characterized by further comprising the water cooling structure for the screw vacuum pump.
The screw vacuum pump and the water cooling structure thereof comprise a pump body shell, wherein the pump body shell comprises a ring cooling shell at one side close to an exhaust end and a heat dissipation shell at one side far away from the exhaust end; a water-cooling interlayer is formed in the shell wall of the pump body shell, and the water-cooling interlayer at the annular cooling shell is arranged around the central line of the pump body; the water inlet of the water-cooling interlayer is positioned at one side close to the exhaust end, and the water outlet of the water-cooling interlayer is positioned at one side far away from the exhaust end; the outer surface of the heat dissipation shell is provided with heat dissipation fins. Through setting up the water-cooling intermediate layer to water is intake from one side of exhaust end, can dispel the heat to the exhaust end that the temperature is higher fast, simultaneously, the water-cooling intermediate layer of ring cold casing department sets up around the central line of the pump body, 360 degrees dispels the heat; meanwhile, the outer surface of the heat dissipation shell is provided with heat dissipation fins, so that the heat dissipation performance is further improved. According to the technical scheme, the heat dissipation can be realized in a targeted manner according to the temperature difference from the exhaust end to the air inlet end of the screw vacuum pump.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a screw vacuum pump according to an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of a pump body housing for a cold structure of a screw pump in an embodiment of the present utility model.
Fig. 3 is a left side view of the pump body housing of fig. 2.
Fig. 4 is a schematic cross-sectional view of the pump body housing of fig. 3 taken along A-A.
Fig. 5 is a schematic cross-sectional view of the pump body housing of fig. 3 taken along B-B.
Fig. 6 is a schematic cross-sectional view of the pump body housing of fig. 4 taken along D-D.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Description of the embodiments
The technical solutions in this embodiment will be clearly and completely described below with reference to the drawings in this embodiment. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in this embodiment are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In the present utility model, the terms "coupled," "fixed," and the like are to be construed broadly unless otherwise specifically indicated and defined. For example, "fixed" may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-6, a screw vacuum pump 100 and a water cooling structure for the vacuum pump 100 are provided in an embodiment of the utility model.
The screw vacuum pump 100 includes a motor 1, a connection cap 2, a pump body (not shown), a rear end cap 5, an air inlet pipe (not shown), and an air outlet pipe (not shown). The pump body comprises a screw 41 and a pump body housing 4.
The water cooling structure for the vacuum pump 100 includes a pump body case 4, the pump body case 4 including a side annular cooling case 41 near an exhaust end and a side cooling case 42 far from the exhaust end; a water-cooling interlayer 401 is formed inside the shell wall of the pump body shell 4, and the water-cooling interlayer 401 at the annular cooling shell 41 is arranged around the central line of the pump body; the water inlet 411 of the water-cooled interlayer 401 is positioned at one side close to the exhaust end, and the water outlet 421 of the water-cooled interlayer 401 is positioned at one side far away from the exhaust end; the outer surface of the heat dissipation housing 42 is provided with heat dissipation fins 43.
Through setting up water-cooling intermediate layer 401 to from the one side water inlet of exhaust end, can dispel the heat to the exhaust end that the temperature is higher fast, simultaneously, the cold casing 41 department of ring water-cooling intermediate layer 401 encircles the central line setting of the pump body, 360 degrees dispel the heat. Meanwhile, the heat dissipation fins 43 are disposed on the outer surface of the heat dissipation housing 42, and at this time, the heat dissipation performance of the heat dissipation fins 43 can be further improved due to the increase of the water temperature. According to the technical scheme, the heat dissipation can be realized in a targeted manner according to the temperature difference from the exhaust end to the air inlet end of the screw vacuum pump.
Preferably, the water-cooling interlayer 401 at the heat dissipation housing 42 is located in the housing wall of the upper half of the pump body housing 4. The water-cooling sandwich mold is complex in design, and the reduction of part of the water-cooling sandwich structure is beneficial to the cost reduction.
Preferably, a water drain opening 410 is provided at the bottom of the annular cooling housing 41, and a detachable water drain cover (not numbered) is mounted on the water drain opening 410. Preferably, a water inlet 414 is provided at the top of the annular cooling housing 41, and a detachable water inlet cover (not numbered) is mounted on the water inlet 414. In normal use, the upper water gap 414 is closed by the upper water cap, the lower water gap 410 is closed by the lower water cap, and the sealing of the water-cooling interlayer 401 is ensured; when the machine is stopped and water is required to be discharged, the water inlet 414 and the water outlet 410 can be opened, and the cooling water in the water-cooling interlayer 401 can be discharged completely.
Preferably, the water inlet is arranged at the top of one side of the pump body housing 4 close to the exhaust end, and the water outlet is arranged at the top of one side of the pump body housing 4 far away from the exhaust end. The water inlet and outlet above the water inlet and outlet device is easier to install and overhaul.
Preferably, the pump body housing 4 is integrally formed; a plurality of support columns 402 extending along the radial direction of the pump body are further arranged in the water-cooling interlayer 401 so as to be connected with two side walls of the water-cooling interlayer 401. In the process of manufacturing the water-cooling interlayer, the connecting column 402 is designed based on the design requirement of the mold; while the connecting post 402 housing enhances the shear and compression resistance of the pump body housing 4 as a whole.
The screw vacuum pump and the water cooling structure thereof comprise a pump body shell, wherein the pump body shell comprises a ring cooling shell at one side close to an exhaust end and a heat dissipation shell at one side far away from the exhaust end; a water-cooling interlayer is formed in the shell wall of the pump body shell, and the water-cooling interlayer at the annular cooling shell is arranged around the central line of the pump body; the water inlet of the water-cooling interlayer is positioned at one side close to the exhaust end, and the water outlet of the water-cooling interlayer is positioned at one side far away from the exhaust end; the outer surface of the heat dissipation shell is provided with heat dissipation fins. Through setting up the water-cooling intermediate layer to water is intake from one side of exhaust end, can dispel the heat to the exhaust end that the temperature is higher fast, simultaneously, the water-cooling intermediate layer of ring cold casing department sets up around the central line of the pump body, 360 degrees dispels the heat; meanwhile, the outer surface of the heat dissipation shell is provided with heat dissipation fins, so that the heat dissipation performance is further improved. According to the technical scheme, the heat dissipation can be realized in a targeted manner according to the temperature difference from the exhaust end to the air inlet end of the screw vacuum pump.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The water cooling structure for the screw vacuum pump is characterized by comprising a pump body shell, wherein the pump body shell comprises a circular cooling shell at one side close to an exhaust end and a heat dissipation shell at one side far away from the exhaust end; a water-cooling interlayer is formed in the shell wall of the pump body shell, and the water-cooling interlayer at the annular cooling shell is arranged around the central line of the pump body; the water inlet of the water-cooling interlayer is positioned at one side close to the exhaust end, and the water outlet of the water-cooling interlayer is positioned at one side far away from the exhaust end; the outer surface of the heat dissipation shell is provided with heat dissipation fins.
2. The water cooling structure for a screw vacuum pump according to claim 1, wherein the water cooling interlayer at the heat dissipation case is located in a case wall of an upper half of the pump body case.
3. The water cooling structure for the screw vacuum pump according to claim 1, wherein a water drain port is provided at the bottom of the annular cooling housing, and a detachable water drain cover is installed on the water drain port.
4. The water cooling structure for the screw vacuum pump according to claim 3, wherein the top of the annular cooling shell is provided with a water inlet, and a detachable water inlet and water outlet cover is arranged on the water inlet.
5. The water cooling structure for a screw vacuum pump according to claim 1, wherein the water inlet is provided at a top of a side of the pump body housing close to the exhaust end, and the water outlet is provided at a top of a side of the pump body housing away from the exhaust end.
6. The water cooling structure for a screw vacuum pump according to claim 1, wherein the pump body housing is integrally formed, and a plurality of support columns extending in a radial direction of the pump body are further provided in the water cooling interlayer so as to connect both side walls of the water cooling interlayer.
7. A screw vacuum pump comprising a pump body housing, a screw, a motor, an air intake pipe, and an air exhaust pipe, characterized by further comprising the water cooling structure for a screw vacuum pump according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321085825.9U CN219827150U (en) | 2023-05-08 | 2023-05-08 | Screw vacuum pump and water cooling structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321085825.9U CN219827150U (en) | 2023-05-08 | 2023-05-08 | Screw vacuum pump and water cooling structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827150U true CN219827150U (en) | 2023-10-13 |
Family
ID=88250365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321085825.9U Active CN219827150U (en) | 2023-05-08 | 2023-05-08 | Screw vacuum pump and water cooling structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827150U (en) |
-
2023
- 2023-05-08 CN CN202321085825.9U patent/CN219827150U/en active Active
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