CN208858564U - A kind of sliding vane rotary vacuum pump - Google Patents
A kind of sliding vane rotary vacuum pump Download PDFInfo
- Publication number
- CN208858564U CN208858564U CN201821694414.9U CN201821694414U CN208858564U CN 208858564 U CN208858564 U CN 208858564U CN 201821694414 U CN201821694414 U CN 201821694414U CN 208858564 U CN208858564 U CN 208858564U
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Abstract
The utility model discloses a kind of sliding vane rotary vacuum pump, including the pump housing, pump housing bottom is equipped with bottom cover, is equipped with middle partition in the pump housing, the high vacuum chamber and low vacuum chamber communicated will be divided into the pump housing；Pump housing both ends are separately installed with drive end bearing bracket and rear end cap；Drive end bearing bracket is equipped with high rotor, and front axle is stretched out in high rotor front end, and rear axle is stretched out in rear end, and front axle stretches out outside drive end bearing bracket to be connect with pump belt wheel, and rear axle protrudes into low vacuum chamber installation low rotor；High blade and low blade are separately installed on high rotor and low rotor；The high vacuum chamber of pump body and the side wall of low vacuum chamber are connected with up/down oil baffle by studs, cap assembly and air inlet assembly are equipped at the top of the pump housing, cap assembly is equipped with exhaust cap, and air inlet assembly is equipped with air-inlet cover；The pump housing other side is equipped with water jacket plug, and water jacket plug is equipped with water nozzle.The utility model compared with prior art the advantages of be: the vacuum degree of the utility model is high, low in energy consumption, and pumping efficiency is high.
Description
Technical field
The utility model relates to vacuum pump more particularly to a kind of sliding vane rotary vacuum pumps.
Background technique
Sliding vane rotary vacuum pump can be divided into oil-sealed pump and dry pump.According to required vacuum degree, single-stage pump and twin-stage can be used
Pump, wherein more universal with two-stage pump application.But the vacuum degree of existing sliding vane rotary vacuum pump is lower, power consumption is high, pumping efficiency
It is low.
Summary of the invention
The utility model is to provide a kind of sliding vane rotary vacuum pump to solve above-mentioned deficiency.
The above-mentioned purpose of the utility model is realized by technical solution below: a kind of sliding vane rotary vacuum pump, including the pump housing,
Pump housing bottom is equipped with bottom cover, is equipped with middle partition in the pump housing, the high vacuum chamber and low vacuum chamber communicated will be divided into the pump housing；The pump
Body both ends are separately installed with drive end bearing bracket and rear end cap；
The drive end bearing bracket is equipped with high rotor, and front axle is stretched out in high rotor front end, and rear axle is stretched out in rear end, and front axle passes through drive end bearing bracket
The bearing support of installation, and pass through the outside framework oil seal of drive end bearing bracket installation and stretch out outside drive end bearing bracket and connect with pump belt wheel, rear axle passes through
The bearing support being mounted on partition, and low vacuum chamber is protruded into, low rotor is installed in low vacuum chamber；The high rotor and low
High blade and low blade are separately installed on rotor；
One side lower part of the pump housing is equipped with gas ballasting valve module, hexagonal cock and drain cock, and the pump housing side wall is equipped with outer
Opening, and it is equipped with cover board, cover board is equipped with oil ga(u)ge, and the oil ga(u)ge be transparent cover of display level height, in the outward opening
The high vacuum chamber side wall of side is equipped with inner opening, at inner opening by bolt be sequentially installed with high/low valve block, low valve steel disc and
High/low baffle, and the bearing of high/low valve block is equipped with valve block washer, and oily zoarium is equipped at the outward opening；
The high vacuum chamber of the pump body and the side wall of low vacuum chamber are connected with up/down gear oil by studs
Plate, pump housing top are equipped with cap assembly and air inlet assembly, and cap assembly is equipped with exhaust cap, and air inlet assembly is equipped with air inlet
Lid；
The pump housing other side is equipped with water jacket plug, and water jacket plug is equipped with water nozzle.
Further, the high blade and low blade are " T " shape.
Further, O-ring is equipped between the drive end bearing bracket, rear end cap and the pump housing.
Working principle of the utility model is: gas enters high vacuum chamber, initially High Voltage, high low vacuum chamber by suction nozzle
It is filled with atmosphere, two high/low valve blocks all open exhaust.With the progress of pumping, air pressure declines (i.e. vacuum degree raising), Gao Zhen
For empty room insufficient pressure to push high/low valve block open, the transseptal plate of gas enters low vacuum chamber, at this time pressure also deficiency push open it is high/low
Valve block, but low vacuum chamber enters a certain amount of oil, and high/low valve block is pushed in help open, and gas is also discharged therewith.The gas inclusions of discharge
Elaioleucite, through leakproof oil net filter and make oily separation, only outside gas discharge pump.
The utility model compared with prior art the advantages of be: the vacuum degree of the utility model is high, low in energy consumption, pumping efficiency
It is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the sectional view in Fig. 1 at A-A, B-B.
Specific embodiment
The utility model is described in further detail below with reference to embodiment.
As shown in Figure 1 and Figure 2, a kind of sliding vane rotary vacuum pump, including the pump housing 1,1 bottom of the pump housing are equipped with bottom cover 2, are equipped in the pump housing 1
Middle partition 3 will be divided into the high vacuum chamber 4 and low vacuum chamber 5 communicated in the pump housing 1；1 both ends of the pump housing are separately installed with drive end bearing bracket
6 and rear end cap 7；
The drive end bearing bracket 6 is equipped with high rotor 8, and front axle 9 is stretched out in 8 front end of high rotor, and rear axle 10 is stretched out in rear end, and front axle 9 is logical
It crosses the bearing support of the installation of drive end bearing bracket 6, and is stretched out outside drive end bearing bracket 6 and pump belt wheel 11 by outside framework oil seal that drive end bearing bracket 6 is installed
Connection, rear axle 10 protrude into low vacuum chamber 5 by the bearing support that is mounted on middle partition 3, install in low vacuum chamber 5 low
Rotor 12；High blade 13 and low blade 14 are separately installed on the high rotor 8 and low rotor 12；
1 one side lower part of the pump housing is equipped with gas ballasting valve module 15, hexagonal cock 16 and drain cock 17,1 side of the pump housing
Wall is equipped with outward opening 18, and is equipped with cover board 19, and cover board 19 is equipped with oil ga(u)ge 20, and the oil ga(u)ge 20 is the transparent of display level height
4 side wall of high vacuum chamber of lid, 18 inside of outward opening is equipped with inner opening 21, is successively pacified at inner opening 21 by bolt 22
Equipped with high/low valve block 23, low valve steel disc 24 and high/low baffle 25, and the bearing of high/low valve block 23 is equipped with valve block washer 26,
Oily zoarium 27 is installed at the outward opening 18；
The side wall of high vacuum chamber 4 and low vacuum chamber 5 inside the pump housing 1 is connected with up/down by studs 28
Oil baffle 29, cap assembly 30 and air inlet assembly 31 are equipped at the top of the pump housing 1, and cap assembly 30 is equipped with exhaust cap 32, air inlet
Mouth component 31 is equipped with air-inlet cover 33；
1 other side of the pump housing is equipped with water jacket plug 34, and water jacket plug 34 is equipped with water nozzle 35.
Further, the high blade 13 and low blade 14 are " T " shape.
Further, O-ring is equipped between the drive end bearing bracket 6, rear end cap 7 and the pump housing 1.
Working principle of the utility model is: gas enters high vacuum chamber, initially High Voltage, high low vacuum chamber by suction nozzle
It is filled with atmosphere, two high/low valve blocks all open exhaust.With the progress of pumping, air pressure declines (i.e. vacuum degree raising), Gao Zhen
For empty room insufficient pressure to push high/low valve block open, the transseptal plate of gas enters low vacuum chamber, at this time pressure also deficiency push open it is high/low
Valve block, but low vacuum chamber, into there is a certain amount of oil, high/low valve block is pushed in help open, and gas is also discharged therewith.The gas inclusions of discharge
Elaioleucite, through leakproof oil net filter and make oily separation, only outside gas discharge pump.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model specification and embodiment content, directly or indirectly use
In other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (3)
1. a kind of sliding vane rotary vacuum pump, it is characterised in that: including the pump housing, pump housing bottom is equipped with bottom cover, is equipped with middle partition in the pump housing, will
It is divided into the high vacuum chamber and low vacuum chamber communicated in the pump housing；The pump housing both ends are separately installed with drive end bearing bracket and rear end cap；
The drive end bearing bracket is equipped with high rotor, and front axle is stretched out in high rotor front end, and rear axle is stretched out in rear end, and front axle is installed by drive end bearing bracket
Bearing support, and by drive end bearing bracket installation outside framework oil seal and stretch out outside drive end bearing bracket and connect with pump belt wheel, rear axle passes through installation
Bearing support on middle partition, and low vacuum chamber is protruded into, low rotor is installed in low vacuum chamber；The high rotor and low rotor
On be separately installed with high blade and low blade；
One side lower part of the pump housing is equipped with gas ballasting valve module, hexagonal cock and drain cock, and the pump housing side wall is equipped with outward opening,
And it is equipped with cover board, cover board is equipped with oil ga(u)ge, and the oil ga(u)ge is the transparent cover for showing level height, the height on the inside of the outward opening
Vacuum chamber side wall is equipped with inner opening, is sequentially installed with high/low valve block, low valve steel disc and high/low gear by bolt at inner opening
Plate, and the bearing of high/low valve block is equipped with valve block washer, and oily zoarium is equipped at the outward opening；
The high vacuum chamber of the pump body and the side wall of low vacuum chamber are connected with up/down oil baffle by studs, pump
Cap assembly and air inlet assembly are equipped at the top of body, cap assembly is equipped with exhaust cap, and air inlet assembly is equipped with air-inlet cover；
The pump housing other side is equipped with water jacket plug, and water jacket plug is equipped with water nozzle.
2. sliding vane rotary vacuum pump according to claim 1, it is characterised in that: the high blade and low blade are " T " shape.
3. sliding vane rotary vacuum pump according to claim 1, it is characterised in that: set between the drive end bearing bracket, rear end cap and the pump housing
There is O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694414.9U CN208858564U (en) | 2018-10-19 | 2018-10-19 | A kind of sliding vane rotary vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694414.9U CN208858564U (en) | 2018-10-19 | 2018-10-19 | A kind of sliding vane rotary vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858564U true CN208858564U (en) | 2019-05-14 |
Family
ID=66421235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821694414.9U Active CN208858564U (en) | 2018-10-19 | 2018-10-19 | A kind of sliding vane rotary vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858564U (en) |
-
2018
- 2018-10-19 CN CN201821694414.9U patent/CN208858564U/en active Active
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| GR01 | Patent grant |