CN220622183U - Air-cooled Roots vacuum pump - Google Patents
Air-cooled Roots vacuum pump Download PDFInfo
- Publication number
- CN220622183U CN220622183U CN202322397512.3U CN202322397512U CN220622183U CN 220622183 U CN220622183 U CN 220622183U CN 202322397512 U CN202322397512 U CN 202322397512U CN 220622183 U CN220622183 U CN 220622183U
- Authority
- CN
- China
- Prior art keywords
- air
- seat
- communicated
- shell
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to the technical field of Roots vacuum pumps, in particular to an air-cooled Roots vacuum pump, which comprises a base, a rotor, a radiator, a connecting pipe, an air guide seat and a refrigerating assembly. The base is provided with a shell, the shell is provided with an air inlet pipe and an air outlet pipe which are communicated with the inside of the shell, and the shell is provided with a rear cover. The rotor rotates and sets up in the casing and with its inner wall clearance fit, and the inboard of two rotors all sets up the hollow shaft, and two hollow shafts pass through the connecting pipe intercommunication, set up the motor that drives two rotors relative rotation in the back lid. The radiator is arranged on the rear cover, and the input end of the radiator faces the inner side of the rear cover. The wind-guiding seat sets up in the back lid, and the wind-guiding seat includes two output and an input, and one of them output opening is towards the motor, and another output and one of them hollow shaft intercommunication. The refrigerating assembly is arranged in the base, and the output end of the refrigerating assembly is communicated with the input end of the air guide seat. The utility model can simultaneously carry out auxiliary heat dissipation on the rotor and the motor, and has high efficiency.
Description
Technical Field
The utility model relates to the technical field of Roots vacuum pumps, in particular to an air-cooled Roots vacuum pump.
Background
The Roots vacuum pump (simply referred to as Roots pump) is a positive displacement vacuum pump in which two vane-shaped rotors which rotate synchronously in opposite directions are arranged in the pump, and fine gaps are arranged between the rotors and the inner wall of a pump shell and are not contacted with each other. The Roots vacuum pump is widely applied, but when the Roots vacuum pump actually works, a large amount of heat is generated, and the Roots vacuum pump needs to be timely radiated.
The Chinese patent with the publication number of CN217950675U discloses a low-noise air-cooled Roots vacuum pump, which comprises a shell, an air inlet pipe, a protective shell, an exhaust pipe, a water tank, a water pipe, a rotating shaft and a protective cover; the inside of the shell is provided with a box body, the rotating shafts are rotationally connected with the box body, two rotating shafts are provided with rotors, the two rotating shafts are respectively provided with a protecting shell connected with the shell, a motor is arranged in the protecting shell, the motor is connected with the rotating shafts, the rotating shafts are provided with gears, and the two gears are in meshed connection, and the protecting cover is connected with the box body; the air inlet pipe passes the casing and communicates in with the box, and the blast pipe passes casing and box intercommunication, is equipped with the baffle in the casing, and air inlet pipe and blast pipe all communicate with the casing, water piping connection water tank, be equipped with the water pump on the water pipe, the water pipe twines to the cooling storehouse from the protecting crust, twines at the protection casing from the cooling storehouse again, passes the baffle and passes casing and water tank intercommunication from another bin. The cooling water pipe is arranged in the shell to fully cool the parts in the device, so that the running noise of equipment is reduced.
However, the device still has the defects that: this equipment lacks structure and the function of carrying out supplementary cooling to the motor, only cools down the equipment casing simultaneously, can't realize cooling down fast to the rotor.
Disclosure of Invention
The utility model aims to solve the problems in the background technology and provides an air-cooled Roots vacuum pump.
The technical scheme of the utility model is as follows: the air-cooled Roots vacuum pump comprises a base, a rotor, a radiator, a connecting pipe, an air guide seat and a refrigerating assembly.
The base is provided with a shell, the input end and the input end of the shell are respectively provided with an air inlet pipe and an air outlet pipe which are communicated with the inside of the shell, and the shell is provided with a rear cover which is in sealing fit with the shell. The rotor rotates and sets up in the casing and with its inner wall clearance fit, and the inboard of two rotors all sets up the hollow shaft, and two hollow shafts pass through the connecting pipe intercommunication, set up the motor that drives two rotors relative rotation in the back lid. The radiator is arranged on the rear cover, and the input end of the radiator faces the inner side of the rear cover.
The wind-guiding seat sets up in the back lid, and the wind-guiding seat includes two output and an input, and one of them output opening is towards the motor, and another output and one of them hollow shaft intercommunication. The refrigerating assembly is arranged in the base, and the output end of the refrigerating assembly is communicated with the input end of the air guide seat.
Preferably, the hollow shafts on two sides are provided with gears A, and the gears A on two sides are in meshed connection. One of the hollow shafts is provided with a gear B, the output end of the motor is provided with a gear C, and the gear C is meshed with the gear B.
Preferably, a fixing seat for fixing the connecting pipe is arranged on the end cover of the shell, and two ends of the connecting pipe are respectively inserted into the corresponding side hollow shafts and are rotationally connected with the corresponding side hollow shafts.
Preferably, a limiting block is arranged in the air guide seat, a through hole communicated with the inside of the air guide seat is formed in the limiting block, a branch pipe is arranged on the air guide seat, and the branch pipe is coated outside the through hole. The end part of the hollow shaft is connected with the air guide seat, the hollow shaft is provided with a side hole communicated with the inside of the hollow shaft, an air flow channel is arranged between the air guide seat and the air guide seat, the cambered surface of the air guide seat is in sealing fit with the limiting block, the air outlet corresponding to the through hole is arranged on the air guide seat, and the output end of the refrigeration assembly is communicated with the inside of the air guide seat.
Preferably, the refrigeration assembly comprises a coiled pipe and a cooling box, a heat exchange box is arranged in the cooling box, the main body of the coiled pipe is positioned in the heat exchange box and below the liquid level, the air inlet end of the coiled pipe is communicated with the outside, and the air outlet end of the coiled pipe is inserted into the split flow seat and is communicated with the inside of the split flow seat.
Preferably, an air inlet is formed in the outer baffle of the cooling box, a dustproof filter screen is arranged in the air inlet, and the air inlet end of the coiled pipe is coated and arranged outside the air inlet.
Preferably, a refrigerator for rapid cooling of the medium is provided in the cooling tank.
Compared with the prior art, the utility model has the following beneficial technical effects:
through setting up the hollow shaft, hollow shaft intercommunication refrigeration module's output, the air conditioning circulates in the hollow shaft, can export and discharge the high heat of rotor itself, and the utility model has set up the wind-guiding seat that is used for carrying out automatic reposition of redundant personnel with the air conditioning, utilize the rotation of hollow shaft to drive reposition of redundant personnel seat rotation, the venthole on the reposition of redundant personnel seat is when with the through-hole intercommunication on the stopper, the branch pipe exports the air conditioning and carries out the cooling of blowing to the motor casing, and when the gas pocket on the reposition of redundant personnel seat breaks away from the sealed restriction of stopper, venthole and hollow shaft intercommunication switch to again and cool down the rotor, utilize a structure to realize the initiative cooling of rotor and motor simultaneously, and is efficient, and stability is high.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a diagram showing the connection of the components in the housing;
FIG. 3 is a schematic diagram showing the connection of the distributed heat dissipation structure in the present utility model.
Reference numerals: 1. a base; 2. a housing; 201. an air inlet pipe; 202. an air outlet pipe; 203. a rear cover; 3. a rotor; 4. a hollow shaft; 401. a side hole; 5. a motor; 6. a heat sink; 7. a connecting pipe; 8. an air guide seat; 9. a branch pipe; 10. a limiting block; 11. a shunt seat; 111. an air outlet hole; 12. a serpentine tube; 13. and a cooling box.
Detailed Description
Example 1
As shown in fig. 1-3, the air-cooled Roots vacuum pump provided by the utility model comprises a base 1, a rotor 3, a radiator 6, a connecting pipe 7, an air guide seat 8 and a refrigerating component.
The base 1 is provided with a casing 2, the input end and the input end of the casing 2 are respectively provided with an air inlet pipe 201 and an air outlet pipe 202 which are communicated with the inside of the casing 2, and the casing 2 is provided with a rear cover 203 which is in sealing fit with the casing 2. The rotor 3 rotates and sets up in casing 2 and with its inner wall clearance fit, and the inboard of two rotors 3 all sets up hollow shaft 4, and two hollow shafts 4 pass through connecting pipe 7 intercommunication, all set up gear A on the hollow shaft 4 of both sides, and both sides gear A meshing is connected. One of the hollow shafts 4 is provided with a gear B, the output end of the motor 5 is provided with a gear C, and the gear C is meshed with the gear B. The end cover of the casing 2 is provided with a fixing seat for fixing the connecting pipe 7, and two ends of the connecting pipe 7 are respectively inserted into the corresponding side hollow shafts 4 and are rotationally connected with the corresponding side hollow shafts. A motor 5 for driving the two rotors 3 to rotate relatively is provided in the rear cover 203. The heat sink 6 is provided on the rear cover 203, with an input end of the heat sink 6 facing the inside of the rear cover 203.
The wind-guiding seat 8 is arranged in the rear cover 203, the limiting block 10 is arranged in the wind-guiding seat 8, the limiting block 10 is provided with a through hole communicated with the inside of the wind-guiding seat 8, the wind-guiding seat 8 is provided with a branch pipe 9, and the branch pipe 9 is coated and arranged outside the through hole. The end part of the hollow shaft 4 communicated with the air guide seat 8 is connected with the split-flow seat 11, the hollow shaft 4 is provided with a side hole 401 communicated with the inside of the hollow shaft, an air flow channel is arranged between the split-flow seat 11 and the air guide seat 8, the cambered surface of the split-flow seat 11 is in sealing fit with the limiting block 10, the split-flow seat 11 is provided with an air outlet hole 111 corresponding to the through hole, and the output end of the refrigeration assembly is communicated with the inside of the split-flow seat 11. The refrigerating assembly is arranged in the base 1, and the output end of the refrigerating assembly is communicated with the input end of the air guide seat 8. The refrigerating assembly comprises a coiled pipe 12 and a cooling box 13, wherein a heat exchange box is arranged in the cooling box 13, the main body of the coiled pipe 12 is positioned in the heat exchange box and below the liquid level, the air inlet end of the coiled pipe 12 is communicated with the outside, and the air outlet end of the coiled pipe 12 is inserted into the split flow seat 11 and is communicated with the inside of the split flow seat. An air inlet is formed in an outer baffle plate of the cooling box 13, a dustproof filter screen is arranged in the air inlet, and an air inlet end of the coiled pipe 12 is coated and arranged outside the air inlet. A refrigerator for rapidly cooling the medium is arranged in the cooling box 13
In this embodiment, the coiled pipe 12 is connected to the split-flow seat 11, when the motor 5 works, the motor 5 drives the two hollow shafts 4 and the rotor 3 to rotate, the vacuum pump works, when the equipment temperature is higher, the radiator 6 starts and pumps hot air from the rear cover 203, at this time, external air passes through the coiled pipe 12 in the cooling box 13 and enters the split-flow seat 11, because the hollow shaft 4 is in a rotating state, the hollow shaft 4 at the side which is connected with the air guide seat 8 drives the split-flow seat 11 to rotate, when the air outlet hole 111 on the split-flow seat 11 is connected with the branch pipe 9, cold air is directly discharged along the branch pipe 9 and blown to the motor 5, the cold air cools the motor, the temperature rises after the cold air exchanges heat, high-temperature air is discharged by the radiator 6, when the air outlet hole 111 is not connected with the branch pipe 9, the air outlet hole 111 flows along the inner wall of the air guide seat 8 and the gap of the outer wall of the split-flow seat 11 into the hollow shaft 4, the cold air flows along the hollow shaft, the flowing cold air rapidly cools the rotor 3, and the hot air after heat exchange is discharged by the radiator 6.
Example two
Compared with the first embodiment, the air-cooled Roots vacuum pump provided by the utility model has the advantages that the serpentine channel is arranged in the rotor, and the air inlet and the return port which are communicated with the serpentine channel and the internal channel of the serpentine channel are arranged on the hollow shaft 4.
In this embodiment, after the cold air enters the hollow shaft 4, the cold air enters the serpentine channel along the air inlet, enters the return port along the output end of the serpentine channel, and finally is discharged from the output end of the hollow shaft 4, so that the length of the heat exchange channel between the cold air and the rotor 3 is increased, and the cooling efficiency of the rotor 3 is improved.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (7)
1. The air-cooled Roots vacuum pump is characterized by comprising a base (1), a rotor (3), a radiator (6), a connecting pipe (7), an air guide seat (8) and a refrigerating assembly;
the base (1) is provided with a shell (2), the input end of the shell (2) and the input end are respectively provided with an air inlet pipe (201) and an air outlet pipe (202) which are communicated with the inside of the shell, and the shell (2) is provided with a rear cover (203) which is in sealing fit with the shell; the rotors (3) are rotatably arranged in the shell (2) and are in clearance fit with the inner walls of the rotors, hollow shafts (4) are arranged on the inner sides of the two rotors (3), the two hollow shafts (4) are communicated through a connecting pipe (7), and a motor (5) for driving the two rotors (3) to rotate relatively is arranged in the rear cover (203); the radiator (6) is arranged on the rear cover (203), and the input end of the radiator (6) faces the inner side of the rear cover (203);
the air guide seat (8) is arranged in the rear cover (203), the air guide seat (8) comprises two output ends and an input end, one of the output ends is opened towards the motor (5), and the other output end is communicated with one of the hollow shafts (4); the refrigerating component is arranged in the base (1), and the output end of the refrigerating component is communicated with the input end of the air guide seat (8).
2. The air-cooled Roots vacuum pump according to claim 1, wherein gears A are arranged on the hollow shafts (4) on both sides, and the gears A on both sides are in meshed connection; one of the hollow shafts (4) is provided with a gear B, the output end of the motor (5) is provided with a gear C, and the gear C is meshed with the gear B.
3. The air-cooled roots vacuum pump according to claim 1, wherein a fixing seat for fixing the connecting pipe (7) is arranged on an end cover of the casing (2), and two ends of the connecting pipe (7) are respectively inserted into the corresponding side hollow shafts (4) and are rotatably connected with the corresponding side hollow shafts.
4. The air-cooled Roots vacuum pump according to claim 1, wherein a limiting block (10) is arranged in the air guide seat (8), a through hole communicated with the inside of the air guide seat (8) is arranged on the limiting block (10), a branch pipe (9) is arranged on the air guide seat (8), and the branch pipe (9) is arranged outside the through hole in a coating manner; the end part of the hollow shaft (4) is connected with the air guide seat (8) to form a split flow seat (11), a side hole (401) communicated with the inside of the hollow shaft is formed in the hollow shaft (4), an air flow channel is formed between the split flow seat (11) and the air guide seat (8), the cambered surface of the split flow seat (11) is in sealing fit with the limiting block (10), an air outlet hole (111) corresponding to the through hole is formed in the split flow seat (11), and the output end of the refrigeration assembly is communicated with the inside of the split flow seat (11).
5. An air-cooled roots vacuum pump according to claim 1, wherein the refrigerating assembly comprises a coiled pipe (12) and a cooling tank (13), a heat exchange tank is arranged in the cooling tank (13), the main body of the coiled pipe (12) is positioned in the heat exchange tank and below the liquid level, the air inlet end of the coiled pipe (12) is communicated with the outside, and the air outlet end of the coiled pipe (12) is inserted into the split-flow seat (11) and is communicated with the inside of the split-flow seat.
6. The air-cooled Roots vacuum pump according to claim 1, wherein an air inlet is arranged on an outer baffle plate of the cooling box (13), a dustproof filter screen is arranged in the air inlet, and an air inlet end of the serpentine pipe (12) is coated and arranged outside the air inlet.
7. An air-cooled roots vacuum pump according to claim 1, characterized in that a refrigerator for rapid cooling of the medium is provided in the cooling tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397512.3U CN220622183U (en) | 2023-09-05 | 2023-09-05 | Air-cooled Roots vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397512.3U CN220622183U (en) | 2023-09-05 | 2023-09-05 | Air-cooled Roots vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622183U true CN220622183U (en) | 2024-03-19 |
Family
ID=90234792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322397512.3U Active CN220622183U (en) | 2023-09-05 | 2023-09-05 | Air-cooled Roots vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622183U (en) |
-
2023
- 2023-09-05 CN CN202322397512.3U patent/CN220622183U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9200848B2 (en) | Air heat exchanger | |
| CN110733334B (en) | Motor rotor cooling system of electric drive assembly | |
| WO2023010947A1 (en) | Cooling and lubrication apparatus of electrical drive assembly, and electrical drive assembly | |
| CN111412118A (en) | Heat dissipation mechanism for gearbox of wind driven generator | |
| CN110657519A (en) | Kitchen air conditioning system | |
| CN220622183U (en) | Air-cooled Roots vacuum pump | |
| CN110808659A (en) | Electric drive assembly | |
| CN112925400A (en) | Immersed heat dissipation system | |
| CN215962397U (en) | Detachable air compressor machine filter equipment for lubricating oil | |
| CN214274434U (en) | Lubricating oil cooling and filtering device for gearbox of extruder | |
| CN212376800U (en) | Heat dissipation mechanism for gearbox of wind driven generator | |
| CN205052051U (en) | Thermal module is mixed to forced air cooling, water -cooling based on semiconductor refrigeration | |
| CN113708567A (en) | Cooler for wind driven generator | |
| CN209838620U (en) | Air compressor capable of cooling and heating in different regions | |
| CN114483925A (en) | Air-cooled heat dissipation system for external wind generating set gear box | |
| CN215447027U (en) | Refrigerating unit of energy-saving freezer | |
| CN220522639U (en) | Aviation turbine cooling device | |
| CN210218038U (en) | Air-cooling heat dissipation mechanism for air compressor | |
| CN215633846U (en) | Double-shaft direct-connection multi-impeller centrifugal compressor structure | |
| CN215284321U (en) | Integrated heat management assembly and automobile heat management system | |
| CN216505109U (en) | CNSS mechanical arm connector with heat dissipation function | |
| CN216866908U (en) | Wind generating set | |
| CN219514523U (en) | Electric automation control cabinet convenient to heat dissipation | |
| CN213811824U (en) | High-temperature cooling tower with high cooling efficiency | |
| CN217170495U (en) | Water pump, thermal management system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |