CN213478658U - Novel rotary vane vacuum pump - Google Patents
Novel rotary vane vacuum pump Download PDFInfo
- Publication number
- CN213478658U CN213478658U CN202022370825.6U CN202022370825U CN213478658U CN 213478658 U CN213478658 U CN 213478658U CN 202022370825 U CN202022370825 U CN 202022370825U CN 213478658 U CN213478658 U CN 213478658U
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- filter screen
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Abstract
The utility model discloses a new-type rotary vane vacuum pump, including the pump body and air inlet, the air inlet has been seted up to pump body one end top surface, and installs the suction valve block below the air inlet. Has the advantages that: the utility model discloses a high-pressure gas holder, the outlet duct, the gas outlet, go into pipe and ooff valve, when needs clear up the filter screen, can use the end cap to plug up the gas vent, then start the rotor, produce during gas enters into high-pressure gas holder through the pipe of discharging into, the inside gas of high-pressure gas holder increases gradually and forms the high pressure, then, open the ooff valve, high-pressure gas flows into in the outlet duct, and spout from the gas outlet, carry out the blowback to the filter screen, blow off the impurity on filter screen surface, the air inlet is taken out with impurity to the air current of formation, thereby realized the clearance to the filter screen, high-pressure gas holder, the outlet duct, the gas outlet, the trouble of frequently dismantling the filter screen and clearing up has been saved in the setting of going into pipe and ooff valve, the staff clearance and maintenance.
Description
Technical Field
The utility model relates to a sliding vane rotary vacuum pump technical field particularly, relates to a new-type sliding vane rotary vacuum pump.
Background
The rotary vane vacuum pump is one of the main pumps for obtaining low and medium vacuum pumps, and can be divided into oil seal pump and dry pump, according to the required vacuum degree, it can adopt single-stage pump and double-stage pump, in which the double-stage pump is more commonly used, the rotary vane vacuum pump mainly is formed from pump body (stator) and rotor, in the rotor groove more than two rotary vanes are mounted, and between some rotary vanes a spring is mounted, and the rotor is eccentrically mounted in the pump cavity, and the gap between its outer edge and top surface of pump cavity is 2-3 micrometers, and when the rotor is rotated, under the action of centrifugal force, the rotary vanes can be reciprocated along the groove and can be always contacted with inner wall of pump cavity, and can divide the pump cavity into two or several working chambers with variable volume, and when the rotor is rotated clockwise, the volume of suction cavity communicated with suction port is progressively increased from zero, and the pressure of gas in the cavity is reduced, and the sucked body can be continuously, meanwhile, the volume of the exhaust cavity communicated with the exhaust port is reduced, the gas in the suction cavity is compressed, when the gas pressure is higher than the atmospheric pressure, the exhaust valve is pushed open to exhaust the atmosphere, the rotor continuously rotates, and the pump continuously pumps the gas.
Traditional sliding vane rotary vacuum pump has the filter screen of preventing that impurity from entering into at air inlet internally mounted, but the filter screen uses for a long time and can block up easily, lead to admitting air not smooth, influence the use, traditional way is that the filter screen is torn open and is cleaned, then adorn the filter screen again, the process is comparatively troublesome, it is comparatively troublesome to clear up and maintain, and simultaneously, vibrations are great when traditional sliding vane rotary vacuum pump moves, the noise is also great, in addition, traditional sliding vane rotary vacuum pump quality is heavier, inconvenient removal transport, can also further make the improvement.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a new-type sliding vane rotary vacuum pump possesses the advantage that clearance and maintenance are convenient, shock attenuation and convenient removal, and then solves the problem among the above-mentioned background art.
(II) technical scheme
For the advantage that realizes above-mentioned clearance and maintenance convenience, shock attenuation and convenient removal, the utility model discloses a specific technical scheme as follows:
the utility model provides a new-type rotary vane vacuum pump, includes the pump body and air inlet, the air inlet has been seted up to pump body one end top surface, and installs the suction valve piece below the air inlet to install the filter screen between suction valve piece and the air inlet, pump body internally mounted has the rotor, and rotor fixed surface installs the blade, the gas vent has been seted up to pump body other end top surface, and the gas vent cooperation uses there is the end cap to end cap and gas vent threaded connection, pump body top surface fixed mounting has high-pressure gas holder, and high-pressure gas holder one end through connection has the outlet duct to outlet duct top surface through connection has the gas outlet, the high-pressure gas holder other end is through going into the exhaust box through connection of managing and the pump body, the.
Further, the pump body below is provided with the bearing groove, and the vertical rubber stand that installs of bottom in the bearing groove to rubber stand top surface and pump body fixed connection, universal wheel is installed to bearing groove bottom corner.
Furthermore, the air outlets are arranged in a plurality, and the air outlet direction of the air outlets is vertical and upward.
Furthermore, a one-way valve is arranged on the surface of the discharge pipe, and the ventilation direction of the one-way valve is the direction of gas entering the high-pressure gas storage tank.
Furthermore, the surface of the high-pressure air storage tank is fixedly connected with an air gauge in a penetrating way.
Furthermore, the air outlet pipe and the discharge pipe are both stainless steel round pipes.
(III) advantageous effects
Compared with the prior art, the utility model provides a new-type sliding vane rotary vacuum pump possesses following beneficial effect:
(1) the utility model discloses a high-pressure gas holder, the outlet duct, the gas outlet, go into pipe and ooff valve, when needs clear up the filter screen, can use the end cap to plug up the gas vent, then start the rotor, produce during gas enters into high-pressure gas holder through the pipe of discharging into, the inside gas of high-pressure gas holder increases gradually and forms the high pressure, then, open the ooff valve, high-pressure gas flows in the outlet duct, and spout from the gas outlet, carry out the blowback to the filter screen, blow off the impurity on filter screen surface, the air inlet is taken out with impurity to the air current of formation, thereby realized the clearance to the filter screen, high-pressure gas holder, the outlet duct, the gas outlet, the trouble of frequently dismantling the filter screen and carrying out the clearance has been saved in the setting of pipe and ooff valve of discharging into, the staff clearance and.
(2) The utility model discloses a bearing groove and rubber stand, rubber stand set up the height according to the profile of pump body bottom surface, and rubber stand top surface and pump body bottom surface fixed connection are pump body shock attenuation when fully bearing the pump body, reduce the vibrations of pump body when moving to make the pump body operation more stable and quiet, simultaneously, bearing groove accessible universal wheel removes, and it is more convenient to make this device remove, has further made things convenient for the staff to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a novel rotary vane vacuum pump provided by the present invention;
FIG. 2 is a schematic structural view of the carrying trough of the present invention;
fig. 3 is a top view of the air outlet pipe of the present invention.
In the figure:
1. a pump body; 2. a rotor; 3. a blade; 4. an air suction valve plate; 5. a filter screen; 6. an air inlet; 7. an air outlet pipe; 8. an on-off valve; 9. an air pressure gauge; 10. a high pressure gas storage tank; 11. a discharge pipe; 12. a plug; 13. an exhaust port; 14. a universal wheel; 15. a bearing groove; 16. a rubber upright post; 17. and an air outlet.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a new-type sliding vane rotary vacuum pump.
Referring now to the drawings and the detailed description, as shown in fig. 1-3, a novel rotary vane vacuum pump according to an embodiment of the present invention comprises a pump body 1 and an air inlet 6, wherein the top surface of one end of the pump body 1 is provided with an air inlet 6, an air suction valve plate 4 is installed below the air inlet 6, a filter screen 5 is installed between the air suction valve plate 4 and the air inlet 6, a rotor 2 is installed inside the pump body 1, a vane 3 is fixedly installed on the surface of the rotor 2, an air outlet 13 is installed on the top surface of the other end of the pump body 1, which is a common rotary vane vacuum pump structure, and will not be described herein in detail, and the air outlet 13 is provided with a plug 12 in cooperation with the plug 12, and the plug 12 is in threaded connection with the air outlet 13 for plugging the air outlet 13, so that air enters an exhaust pipe 11, and can also, and one end of the high-pressure gas storage tank 10 is connected with a gas outlet pipe 7 in a through way, the top surface of the gas outlet pipe 7 is connected with a gas outlet 17 in a through way, the other end of the high-pressure gas storage tank 10 is connected with a gas exhaust box of the pump body 1 in a through way through a discharge pipe 11, the gas outlet pipe 7 extends to the lower part of the filter screen 5, a switch valve 8 is arranged on the surface of the gas outlet pipe 7, the gas outlet 17 is positioned under the filter screen 5, when the filter screen 5 needs to be cleaned, a plug 12 can be used for blocking a gas outlet 13, then the rotor 2 is started, the generated gas enters the high-pressure gas storage tank 10 through the discharge pipe 11, the gas in the high-pressure gas storage tank 10 is gradually increased to form high pressure, then, when the switch valve 8 is opened, the high-pressure gas flows into the gas outlet pipe 7 and is sprayed out from the gas outlet, the high-pressure gas storage tank 10, the gas outlet pipe 7, the gas outlet 17, the discharge pipe 11 and the switch valve 8 are arranged, so that the trouble of frequently disassembling the filter screen 5 for cleaning is avoided, the cleaning and the maintenance of workers are facilitated, and the use is more convenient.
In one embodiment, the bearing groove 15 is arranged below the pump body 1, the rubber upright column 16 is vertically arranged on the bottom surface in the bearing groove 15, the top surface of the rubber upright column 16 is fixedly connected with the pump body 1, the universal wheel 14 is arranged at the corner of the bottom surface of the bearing groove 15, the rubber upright column 16 is arranged at a height according to the outline of the bottom surface of the pump body 1, the top surface of the rubber upright column 16 is fixedly connected with the bottom surface of the pump body 1, the pump body 1 is damped when the pump body 1 is fully borne, vibration generated when the pump body 1 operates is reduced, the pump body 1 operates more stably and quietly, meanwhile, the bearing groove 15 can move through the universal wheel 14, the device is more convenient to.
In one embodiment, the air outlets 17 are provided in plural, and the air outlet direction of the air outlets 17 is vertical and upward, so as to facilitate the back flushing of the filter screen 5.
In one embodiment, the discharge pipe 11 is surface-mounted with a check valve, and the ventilation direction of the check valve is the direction of gas entering the high pressure gas tank 10, so as to prevent the gas in the high pressure gas tank 10 from reversely flowing into the pump body 1.
In one embodiment, the high pressure air tank 10 is fixedly connected with a pressure gauge 9 through the surface thereof, so that the pressure change inside the high pressure air tank 10 can be observed conveniently.
In one embodiment, the air outlet pipe 7 and the exhaust pipe 11 are both made of stainless steel round pipes, so that the device is not easy to damage and has strong pressure bearing capacity.
The working principle is as follows:
when the filter screen 5 needs to be cleaned, the air outlet 13 can be blocked by using the plug 12, then the rotor 2 is started, the generated gas enters the high-pressure gas storage tank 10 through the discharge pipe 11, the gas in the high-pressure gas storage tank 10 is gradually increased to form high pressure, then, the switch valve 8 is opened, the high-pressure gas flows into the air outlet pipe 7 and is sprayed out from the air outlet 17 to back blow the filter screen 5, impurities on the surface of the filter screen 5 are blown off, and the formed air flow carries the impurities out of the air inlet 6, so that the cleaning of the filter screen 5 is realized, the high-pressure gas storage tank 10, the air outlet pipe 7, the air outlet 17, the discharge pipe 11 and the switch valve 8 are arranged, the trouble of frequently disassembling the filter screen 5 for cleaning is avoided, the cleaning and maintenance of workers are convenient, the use is more convenient, meanwhile, the height of the rubber upright column 16 is arranged according to the contour of the bottom, for the shock attenuation of the pump body 1 when fully bearing the pump body 1, reduce the vibrations when the pump body 1 moves to make the operation of the pump body 1 more stable and quiet, simultaneously, bearing groove 15 accessible universal wheel 14 removes, makes this device remove more convenient, has further made things convenient for the staff to use.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The novel rotary vane vacuum pump is characterized by comprising a pump body (1) and an air inlet (6), wherein the air inlet (6) is formed in the top surface of one end of the pump body (1), an air suction valve plate (4) is installed below the air inlet (6), a filter screen (5) is installed between the air suction valve plate (4) and the air inlet (6), a rotor (2) is installed inside the pump body (1), blades (3) are fixedly installed on the surface of the rotor (2), an air outlet (13) is formed in the top surface of the other end of the pump body (1), a plug (12) is used in a matched mode in the air outlet (13), the plug (12) is in threaded connection with the air outlet (13), a high-pressure air storage tank (10) is fixedly installed on the top surface of the pump body (1), one end of the high-pressure air storage tank (10) is, the other end of the high-pressure gas storage tank (10) is connected with the exhaust box of the pump body (1) through an exhaust pipe (11), the gas outlet pipe (7) extends to the lower part of the filter screen (5), and the surface of the gas outlet pipe (7) is provided with a switch valve (8).
2. The novel rotary vane vacuum pump is characterized in that a bearing groove (15) is arranged below the pump body (1), a rubber upright post (16) is vertically arranged on the inner bottom surface of the bearing groove (15), the top surface of the rubber upright post (16) is fixedly connected with the pump body (1), and universal wheels (14) are arranged at the corners of the bottom surface of the bearing groove (15).
3. The novel rotary vane vacuum pump as claimed in claim 1, characterized in that the air outlet (17) is provided in plurality, and the air outlet direction of the air outlet (17) is vertical and upward.
4. A new rotary vane vacuum pump as claimed in claim 1, characterized in that the surface of the inlet pipe (11) is equipped with a one-way valve, and the ventilation direction of the one-way valve is the direction of gas entering the high pressure gas storage tank (10).
5. A new rotary vane vacuum pump as claimed in claim 1, characterized in that the high pressure air storage tank (10) is fixedly connected with a pressure gauge (9) through the surface thereof.
6. A new rotary vane vacuum pump as claimed in claim 1, characterized in that the outlet pipe (7) and the discharge pipe (11) are both stainless steel round pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022370825.6U CN213478658U (en) | 2020-10-22 | 2020-10-22 | Novel rotary vane vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022370825.6U CN213478658U (en) | 2020-10-22 | 2020-10-22 | Novel rotary vane vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213478658U true CN213478658U (en) | 2021-06-18 |
Family
ID=76368333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022370825.6U Expired - Fee Related CN213478658U (en) | 2020-10-22 | 2020-10-22 | Novel rotary vane vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213478658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028256A (en) * | 2023-08-17 | 2023-11-10 | 威鹏晟(山东)真空设备有限公司 | Vacuum pump with filter element |
| CN117846961A (en) * | 2024-03-08 | 2024-04-09 | 四川华油中蓝能源有限责任公司 | Variable-capacity mechanical pump for LNG production |
-
2020
- 2020-10-22 CN CN202022370825.6U patent/CN213478658U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028256A (en) * | 2023-08-17 | 2023-11-10 | 威鹏晟(山东)真空设备有限公司 | Vacuum pump with filter element |
| CN117846961A (en) * | 2024-03-08 | 2024-04-09 | 四川华油中蓝能源有限责任公司 | Variable-capacity mechanical pump for LNG production |
| CN117846961B (en) * | 2024-03-08 | 2024-05-17 | 四川华油中蓝能源有限责任公司 | Variable-capacity mechanical pump for LNG production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210618 Termination date: 20211022 |