CN220622182U - Roots pump body for cooling rotor by using external circulation gas circuit - Google Patents
Roots pump body for cooling rotor by using external circulation gas circuit Download PDFInfo
- Publication number
- CN220622182U CN220622182U CN202322386966.0U CN202322386966U CN220622182U CN 220622182 U CN220622182 U CN 220622182U CN 202322386966 U CN202322386966 U CN 202322386966U CN 220622182 U CN220622182 U CN 220622182U
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- Prior art keywords
- cooling
- roots pump
- rotor
- compression
- air
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- 238000001816 cooling Methods 0.000 title claims abstract description 72
- 230000006835 compression Effects 0.000 claims description 39
- 238000007906 compression Methods 0.000 claims description 39
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a Roots pump body for cooling a rotor by using an external circulation gas circuit, and relates to the technical field of Roots pumps. This use extrinsic cycle gas circuit to rotor carries out refrigerated roots pump body, is used for realizing carrying out circulation flow and making the air through the cooling pump to the compressed gas through setting up air duct one and carries out the cooling to the rotor to the circulation flow to the air of cooling chamber realization cooling.
Description
Technical Field
The utility model relates to the technical field of Roots pumps, in particular to a Roots pump body for cooling a rotor by using an external circulation gas circuit.
Background
The Roots vacuum pump is used for exhausting air or other gases in a closed container and a closed system and achieving the purpose of certain vacuum, is widely used in the industries of traditional industry, food industry, light industry and the like, and is influenced by factors such as high temperature rise and thermal expansion of moving parts of the Roots vacuum pump caused by a large amount of heat generated by gas compression, so that the Roots pump is cooled down, and the stable operation of equipment is ensured.
The existing Roots pump is in a low-pressure state, heat absorbed by a rotor is not easy to dissipate, when the pressure of the vacuum pump exceeds a specified value, too high temperature of the rotor can cause too small clearance, so that the vacuum pump cannot work normally, the existing cooling device is used for cooling the surface of the Roots pump through water cooling or exchanging heat with air at normal temperature to realize heat dissipation, the cooling efficiency is low, and the compression efficiency of a pump body is further affected.
Disclosure of Invention
The utility model provides a Roots pump body for cooling a rotor by using an external circulation gas circuit, which has the advantages of simple operation, capability of realizing external circulation cooling of gas, and accelerating the dissipation of rotor heat to realize external circulation cooling, so as to solve the problem that the overall operation stability of the Roots pump is affected by poor cooling effect of a traditional cooling device.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an use extrinsic cycle gas circuit to carry out refrigerated roots pump body of rotor, includes the support, the top fixed mounting of support has the motor cabinet, the top fixed mounting of motor cabinet has compressing motor, compressing motor's one end is provided with the roots pump, roots pump and support fixed connection, the outside of roots pump is provided with cooling module, the inboard fixed mounting of support has the compression pipe, the outside fixed mounting of compression pipe has the air duct one, the top fixed mounting of roots pump has the connector, the outside of connector is provided with the air duct two, the outside of compression pipe is provided with the air duct three, compression chamber has been seted up at the middle part of roots pump, the inner wall of compression chamber is provided with the rotor.
As a preferable technical scheme of the utility model, the cooling assembly comprises a cooling pump, a circulating pipe and a diversion cavity, wherein the circulating pipe is fixedly arranged on the outer side of the Roots pump, the cooling pump is fixedly arranged at one end of the circulating pipe, and the diversion cavity is arranged in the middle of the cooling pump.
As a preferable technical scheme of the utility model, the cooling assembly further comprises a cooling cavity, the cooling cavity is arranged in the middle of the Roots pump, the cooling cavity is in a shape like a Chinese character 'Hui', and the cooling cavity is communicated with the diversion cavity.
As a preferable technical scheme of the utility model, the output end of the compression motor is fixedly connected with one end of the rotor, and the compression motor is electrically connected with an external power supply.
As a preferable technical scheme of the utility model, the number of connectors arranged at the top end of the Roots pump is two groups and symmetrically distributed, the connectors at the top of the Roots pump are air inlet pipes, and the connectors at the bottom of the Roots pump are air outlet pipes.
As a preferable technical scheme of the utility model, the first air guide pipe is communicated with the cooling cavity, connecting pipes are symmetrically arranged at the top of the Roots pump, the top end of the Roots pump is an air inlet pipe, and the bottom end of the Roots pump is an air outlet pipe.
Compared with the prior art, the utility model provides the Roots pump body for cooling the rotor by using the external circulation gas circuit, which has the following beneficial effects:
this use extrinsic cycle gas circuit to rotor carries out refrigerated roots pump body, is used for realizing carrying out circulation flow and making the air through the cooling pump to the compressed gas through setting up air duct one and carries out the cooling to the rotor to the circulation flow to the air of cooling chamber realization cooling.
Drawings
FIG. 1 is a schematic perspective view of a Roots pump body for cooling a rotor using an external circulation air circuit in accordance with the present utility model;
FIG. 2 is a schematic view of a bracket structure according to the present utility model;
FIG. 3 is a schematic view of the Roots pump according to the present utility model;
FIG. 4 is a schematic view of a rotor structure according to the present utility model;
FIG. 5 is a schematic cross-sectional view of the Roots pump according to the present utility model.
In the figure: 1. a bracket; 2. a motor base; 3. a compression motor; 4. compressing the pipe; 5. an air duct I; 6. an air duct II; 7. a connector; 8. roots pump; 9. a cooling pump; 10. an air duct III; 11. a circulation pipe; 12. a compression chamber; 13. a rotor; 14. a diversion cavity; 15. and a cooling chamber.
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. 1-5, the utility model discloses a Roots pump body for cooling a rotor by using an external circulation air circuit, which comprises a bracket 1, wherein a motor seat 2 is fixedly arranged at the top of the bracket 1, a compression motor 3 is fixedly arranged at the top of the motor seat 2, one end of the compression motor 3 is provided with a Roots pump 8, the Roots pump 8 is fixedly connected with the bracket 1, a cooling component is arranged at the outer side of the Roots pump 8, a compression pipe 4 is fixedly arranged at the inner side of the bracket 1, an air duct I5 is fixedly arranged at the outer side of the compression pipe 4, a connector 7 is fixedly arranged at the top of the Roots pump 8, an air duct II 6 is arranged at the outer side of the connector 7, an air duct III 10 is arranged at the outer side of the compression pipe 4, a compression cavity 12 is arranged in the middle of the Roots pump 8, and a rotor 13 is arranged on the inner wall of the compression cavity 12.
Specifically, the cooling assembly comprises a cooling pump 9, a circulating pipe 11 and a diversion cavity 14, wherein the circulating pipe 11 is fixedly arranged on the outer side of the Roots pump 8, the cooling pump 9 is fixedly arranged at one end of the circulating pipe 11, and the diversion cavity 14 is formed in the middle of the cooling pump 9.
In the present embodiment, the cooling means is provided to cool the externally circulated gas, and the circulation pipe 11 is used to convey the gas into the Roots pump 8, thereby cooling the rotor 13 in the compression chamber 12.
Specifically, the cooling assembly further comprises a cooling cavity 15, the cooling cavity 15 is formed in the middle of the Roots pump 8, the cooling cavity 15 is in a shape like a Chinese character 'hui', and the cooling cavity 15 is communicated with the diversion cavity 14.
In this embodiment, the cooling chamber 15 is provided to guide the circulated gas, so that the circulated gas cools the inner wall of the compression chamber 12 and the rotor 13 to dissipate heat.
Specifically, the output end of the compression motor 3 is fixedly connected with one end of the rotor 13, and the compression motor 3 is electrically connected with an external power supply.
In this embodiment, the compression motor 3 is energized to rotate the rotor 13, thereby compressing air.
Specifically, the number of connectors 7 arranged at the top end of the Roots pump 8 is two, the connectors 7 positioned at the top of the Roots pump 8 are symmetrically distributed, the connectors 7 positioned at the bottom of the Roots pump 8 are air inlet pipes, and the connectors 7 positioned at the bottom of the Roots pump 8 are air exhaust pipes.
In the present embodiment, by driving the rotor 13, air is introduced into the compression chamber 12 from the air inlet pipe and compressed and discharged from the air discharge pipe at the bottom end into the compression pipe 4.
Specifically, the first air duct 5 is communicated with the cooling cavity 15, connecting pipes are symmetrically arranged at the top of the Roots pump 8, the top end is an air inlet pipe, and the bottom end is an air outlet pipe.
In this embodiment, the first air duct 5 is provided to circulate compressed air and cool the air by passing the air through the cooling pump 9, so as to cool the rotor 13 by circulating air in the cooling chamber 15.
The working principle and the using flow of the utility model are as follows: when the air compressor is used, the compression motor 3 is electrified to drive the rotor 13 in the Roots pump 8 to rotate so as to compress air, the air enters the compression cavity 12 from the air inlet pipe at one end of the connector 7 arranged at the top of the Roots pump 8 and is discharged to the compression pipe 4 from the exhaust pipe at the bottom through compression, air is circulated to the cooling cavity 15 through the air guide pipe 5, and at the moment, the air in the cooling cavity 15 and the air guide cavity 14 circularly flows, so that the air is cooled to cool the inner wall of the compression cavity 12 and the rotor 13 so as to dissipate heat, and cooling of the rotor 13 is realized.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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. Use outer circulation gas circuit to cool off roots pump body of rotor, including support (1), its characterized in that: the top of the bracket (1) is fixedly provided with a motor seat (2), the top of the motor seat (2) is fixedly provided with a compression motor (3), one end of the compression motor (3) is provided with a Roots pump (8), the Roots pump (8) is fixedly connected with the bracket (1), the outer side of the Roots pump (8) is provided with a cooling component, the inner side of the bracket (1) is fixedly provided with a compression pipe (4), the outside fixed mounting of compression pipe (4) has air duct one (5), the top fixed mounting of roots pump (8) has connector (7), the outside of connector (7) is provided with air duct two (6), the outside of compression pipe (4) is provided with air duct three (10), compression chamber (12) have been seted up at the middle part of roots pump (8), the inner wall of compression chamber (12) is provided with rotor (13).
2. The roots pump body for cooling a rotor using an external circulation air path according to claim 1, wherein: the cooling assembly comprises a cooling pump (9), a circulating pipe (11) and a diversion cavity (14), wherein the circulating pipe (11) is fixedly arranged on the outer side of the Roots pump (8), the cooling pump (9) is fixedly arranged at one end of the circulating pipe (11), and the diversion cavity (14) is formed in the middle of the cooling pump (9).
3. A roots pump body for cooling rotors using an external circulation air circuit according to claim 2 wherein: the cooling assembly further comprises a cooling cavity (15), the cooling cavity (15) is formed in the middle of the Roots pump (8), the cooling cavity (15) is shaped like a Chinese character 'hui', and the cooling cavity (15) is communicated with the flow guiding cavity (14).
4. The roots pump body for cooling a rotor using an external circulation air path according to claim 1, wherein: the output end of the compression motor (3) is fixedly connected with one end of the rotor (13), and the compression motor (3) is electrically connected with an external power supply.
5. The roots pump body for cooling a rotor using an external circulation air path according to claim 1, wherein: the number of the connectors (7) arranged at the top end of the Roots pump (8) is two, the connectors (7) arranged at the top of the Roots pump (8) are symmetrically distributed, the connectors (7) arranged at the bottom of the Roots pump (8) are air inlet pipes, and the connectors (7) arranged at the bottom of the Roots pump (8) are air outlet pipes.
6. The roots pump body for cooling a rotor using an external circulation air path according to claim 1, wherein: the first air duct (5) is communicated with the cooling cavity (15), connecting pipes are symmetrically arranged at the top of the Roots pump (8), the top end of the air duct is an air inlet pipe, and the bottom end of the air duct is an air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322386966.0U CN220622182U (en) | 2023-09-04 | 2023-09-04 | Roots pump body for cooling rotor by using external circulation gas circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322386966.0U CN220622182U (en) | 2023-09-04 | 2023-09-04 | Roots pump body for cooling rotor by using external circulation gas circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622182U true CN220622182U (en) | 2024-03-19 |
Family
ID=90220319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322386966.0U Active CN220622182U (en) | 2023-09-04 | 2023-09-04 | Roots pump body for cooling rotor by using external circulation gas circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622182U (en) |
-
2023
- 2023-09-04 CN CN202322386966.0U patent/CN220622182U/en active Active
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| GR01 | Patent grant |