CN207660825U - A kind of novel rotary vane type vacuum pump - Google Patents
A kind of novel rotary vane type vacuum pump Download PDFInfo
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- CN207660825U CN207660825U CN201721678612.1U CN201721678612U CN207660825U CN 207660825 U CN207660825 U CN 207660825U CN 201721678612 U CN201721678612 U CN 201721678612U CN 207660825 U CN207660825 U CN 207660825U
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- pump
- fuel tank
- oil
- rotor
- pump housing
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Abstract
The utility model provides a kind of novel rotary vane type vacuum pump, belongs to machinery manufacturing technology field.It solves the problems such as existing vacuum pump is restricted by motor drive there are security risk, use environment.The utility model rotary-vane vaccum pump, including the pump housing and it is set to the drive end bearing bracket and rear end cap at pump housing both ends, the pump housing has hollow pump chamber, eccentrically mounted rotor is provided in pump chamber, rotor slot is opened up on rotor, it is mounted on blade in each rotor slot, the air inlet being connected with pump chamber is provided at the top of the pump housing, the side of the pump housing is connected with fuel tank, and fixed frame is connected between fuel tank and the pump housing, fuel tank front end is provided with oil return pipe, side wall is provided with preceding oil inlet pipe and rear oil inlet pipe, oil inlet pipe tail end is provided with cooling pipe afterwards, cooling pipe accesses pump chamber by rear end cap, exhaust filter core and oil strainer are provided in fuel tank, it is provided with gas outlet at fuel tank and exhaust filter core opposite position.The utility model has the advantages that safe and reliable, use occasion is extensive.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, is related to a kind of vacuum pump, more particularly to a kind of novel rotary vane type
Vacuum pump.
Background technology
Vacuum pump is a kind of rotating volume-varying gas transfer pump, and have has larger pumping speed in wider pressure limit
The features such as, it is widely used in the industries such as metallurgy, chemical industry, food, electronics plated film.Rotary-vane vaccum pump is one in vacuum pump
Type, major function is constantly to suck gas to be then exhausted from, so as to reaching pumping purpose, its working principle is that：Rotor is with one
Fixed eccentricity is in the pump case and close with the stationary plane of pump case inner surface, it is built-in in rotor slot there are two（Or it is more than two）
Blade, when the rotor rotates blade radially slot can reciprocatingly slide and be contacted always with pump housing endophragm, this blade is with rotor one
Rotation is played, pump chamber can be divided into several variable volumes, there is compact-sized, small, light-weight, low noise, it is with small vibration etc. excellent
Point.
Vacuum pump on existing market is used cooperatively with motor mostly, could be worked normally under the driving of motor,
Therefore, the use occasion of such vacuum pump receives certain limitation, especially at the scene of some emergency repairs, due to scene
The uncertainty of environment is difficult to use in the case of no power supply, influences the promptness of rescue, meanwhile, many vacuum pumps
Air is extracted by oily medium, when the vacuum pump equipped with motor leaking electricity phenomena such as, it is easy to fire occur, cause not
Appreciable loss.
Invention content
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, provides a kind of the novel of no motor
Rotary-vane vaccum pump has the advantages that safe and reliable, easy to maintain.
The purpose of this utility model can be realized by following technical proposal：A kind of novel rotary vane type vacuum pump, including pump
Body and the drive end bearing bracket and rear end cap for being set to pump housing both ends, which is characterized in that the pump housing has hollow pump chamber, described
Pump chamber in be provided with eccentrically mounted rotor, described rotor one end extends to outside drive end bearing bracket, be used for and external engine machine
Axis is connected, and is connected with bearing between the rotor and drive end bearing bracket, rear end cap, several edges are offered on the rotor
The rotor slot of rotor circumference direction Rotating with Uniform distribution, and the axial length of each rotor slot is consistent with rotor length, often
It is mounted on blade in a rotor slot, the air inlet being connected with pump chamber, the pump are provided at the top of the pump housing
The side of body is connected with fuel tank, and fixed frame is connected between fuel tank and the pump housing, and the fuel tank front end is provided with air inlet
The oil return pipe that mouth is connected with pump body, side wall front side are provided with the preceding oil inlet pipe that drive end bearing bracket is connected with pump chamber,
It is provided with rear oil inlet pipe on rear side of its side wall, the rear oil inlet pipe tail end is provided with the cooling pipe for bending of spiraling, and described is cold
But pipeline accesses pump chamber by rear end cap, and the row of Oil-gas Separation after flowing back for oil return pipe inner fluid is provided in the fuel tank
It is provided with gas outlet at filter element and the oil strainer for filtering fluid, the fuel tank and exhaust filter core opposite position.
The operation principle of the utility model rotary-vane vaccum pump：The vacuum pump works according to rotary vane type principle, and eccentrically mounted turns
Son rotates in the pump housing, rotates the centrifugal force of generation and the blade slided in rotor slot is made to be close to pump chamber inner wall, blade by pump chamber and
Selenodont space between rotor is separated into several working chambers, and when working chamber is connected with air inlet, pumping enters gas, blade
Being rotated further makes gas be compressed and be discharged into fuel tank, and constant pressure official post lubricating oil and pumped gas are discharged into fuel tank together
And make lubricating oil from air-fuel mixture gas by gravity and the centrifugation of oil gas strainer and the centrifugation of exhaust filter core
It is detached, to make lubrication oil circulation use and clean gas is discharged.
In a kind of above-mentioned novel rotary vane type vacuum pump, oil-control panel is provided on the fuel tank front end face, it is described
Oil-control panel on be provided with and the filler plug being connected with fuel tank internal and go out plug cock, the plug cock that goes out is located under filler plug
Portion, and go out between plug cock and filler plug to be provided with the oil mirror of observable fuel tank internal Height of oil at position.Plug cock setting will be gone out
The oil in fuel tank is drained when the easy cleaning of bottom, surplus oil is avoided to repeat the accumulative stability for influencing vacuum pump.
In a kind of above-mentioned novel rotary vane type vacuum pump, gas ballasting pipe is provided on the pump housing rear end face, it is described
Along the pump housing, end cap direction extends gas ballasting pipe forward, and the tail end of gas ballasting pipe is provided with gas ballast valve.Gas ballast valve can be used for adjust into
Tolerance, when rotor goes to a certain position, air just mixes pump chamber to reduce compression ratio by this hole.
In a kind of above-mentioned novel rotary vane type vacuum pump, the shaft rear end has rear turn extended to outside rear end cap
Axis is provided with radiator fan in the rear shaft, and the radiator fan is located on the inside of the cooling pipe for bending of spiraling, described
Cooling pipe outside be provided with protective cover.
In a kind of above-mentioned novel rotary vane type vacuum pump, it is provided between the fixed frame and the side wall of the pump housing shockproof
Piece.The loosening that the vibration influence generated in vacuum pump operation process is connect to vacuum pump with fuel tank is reduced, overall work is improved
Stability.
In a kind of above-mentioned novel rotary vane type vacuum pump, non-return valve is provided in the air inlet.Non-return valve is set
Setting can prevent pump reversion from causing pumping hole oil spout, close admission line after shutdown rapidly and keep vacuum degree in pipeline.
Compared with prior art, the utility model rotary-vane vaccum pump has the following advantages：
1. without design of electrical motor, it can be matched with diesel engine, by belt wheel drive, with traditional gas-distributing motor vacuum pump
Compare, has without electric safety.
2. radiator coil tube built in makes to act in air cooling in pump work state, improves the heat-sinking capability of pump, extends pump
Working time.
3. non-return valve built in prevents pump reversion from causing pumping hole oil spout, closes admission line after shutdown rapidly and keeps true in pipeline
Reciprocal of duty cycle.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model rotary-vane vaccum pump.
Fig. 2 is the overall structure dismounting figure of the utility model rotary-vane vaccum pump.
In figure, 1, the pump housing；2, drive end bearing bracket；3, rear end cap；4, pump chamber；5, rotor；6, bearing；7, rotor slot；8, blade；9、
Air inlet；10, fuel tank；11, fixed frame；12, oil return pipe；13, preceding oil inlet pipe；14, rear oil inlet pipe；15, cooling pipe；16, it arranges
Filter element；17, oil strainer；18, gas outlet；19, oil-control panel；20, filler plug；21, go out plug cock；22, oil mirror；23, gas ballasting
Pipe；24, gas ballast valve；25, rear shaft；26, radiator fan；27, protective cover；28, shockproof sheet；29, non-return valve.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, the utility model rotary-vane vaccum pump, including the pump housing 1 and the drive end bearing bracket for being set to 1 both ends of the pump housing
2 have hollow pump chamber 4, are provided with eccentrically mounted rotor 5 in pump chamber 4,5 one end of rotor extends to rear end cap 3, the pump housing 1
Outside drive end bearing bracket 2, for being connected with external engine crankshaft, 8 formula vacuum pump of the utility model blade is now widely used for emergent rob
Danger water drainage vehicle vacuum aided is made to generate negative pressure in pipeline rapidly by water drainage vehicle diesel engine powers, can be rapid to be drawn water
Into in water pump, so that water pump is done the lost work time and greatly shorten, connected between the rotor 5 in pump chamber 4 and drive end bearing bracket 2, rear end cap 3
There is bearing 6, several rotor slots 7 being distributed along 5 circumferencial direction Rotating with Uniform of rotor, and each rotor slot 7 are offered on rotor 5
Axial length it is consistent with 5 length of rotor, blade 8 is mounted in each rotor slot 7, the top of the pump housing 1 is provided with and pump chamber 4
The side of the air inlet 9 being connected, the pump housing 1 is connected with fuel tank 10, and fixed frame 11 is connected between fuel tank 10 and the pump housing 1, oil
10 front end of case is provided with the oil return pipe 12 being connected inside air inlet 9 and the pump housing 1, and front end is provided on front side of side wall
The preceding oil inlet pipe 13 that lid 2 is connected with pump chamber 4, side wall rear side are provided with rear oil inlet pipe 14, and 14 tail end of rear oil inlet pipe is provided with
Spiral the cooling pipe 15 of bending, and cooling pipe 15 accesses pump chamber 4 by rear end cap 3, is provided with for oil return pipe in fuel tank 10
The oil strainer 17 of the exhaust filter core 16 of Oil-gas Separation and filtering fluid after the reflux of 12 inner fluids, fuel tank 10 and exhaust filter core 16
Gas outlet 18 is provided at opposite position,
In order to avoid surplus oil repeats the accumulative stability for influencing vacuum pump, oil-control panel is provided on 10 front end face of fuel tank
19, it is provided with the filler plug 20 being connected with inside fuel tank 10 on oil-control panel 19 and goes out plug cock 21, goes out plug cock 21 and be located to refuel
The lower part of plug 20, and go out between plug cock 21 and filler plug 20 to be provided with the oil mirror of 10 internal oil height of observable fuel tank at position
22。
In order to reduce compression ratio, it is provided with gas ballasting pipe 23 on 1 rear end face of the pump housing, gas ballasting pipe 23 is along 2 side of end cap forward of the pump housing 1
The tail end of extension, and gas ballasting pipe 23 is provided with gas ballast valve 24.
In order to improve heat dissipation performance, shaft rear end has the rear shaft 25 extended to outside rear end cap 3, is arranged in rear shaft 25
There are radiator fan 26, radiator fan 26 to be located at 15 inside of cooling pipe for bending of spiraling, protective cover is provided with outside cooling pipe 15
27。
In order to improve the stability of overall work, shockproof sheet 28 is provided between fixed frame 11 and the side wall of the pump housing 1.It reduces
The loosening that the vibration influence generated in vacuum pump operation process is connect to vacuum pump with fuel tank 10.
Pump reversion in order to prevent causes pumping hole oil spout, and non-return valve 29 is provided in air inlet 9.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although be used more herein the pump housing 1, drive end bearing bracket 2, rear end cap 3, pump chamber 4, rotor 5, bearing 6, rotor slot 7,
Blade 8, air inlet 9, fuel tank 10, fixed frame 11, oil return pipe 12, preceding oil inlet pipe 13, rear oil inlet pipe 14, cooling pipe 15, exhaust
Filter core 16, gas outlet 18, oil-control panel 19, filler plug 20, goes out plug cock 21, oil mirror 22, gas ballasting pipe 23, gas ballasting at oil strainer 17
The terms such as valve 24, rear shaft 25, radiator fan 26, protective cover 27, shockproof sheet 28, non-return valve 29, but be not precluded using other
The possibility of term.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；Them
It is contrary to the spirit of the present invention to be construed to any one of the additional limitations all.
Claims (6)
1. a kind of novel rotary vane type vacuum pump, including the pump housing（1）And it is set to the pump housing（1）The drive end bearing bracket at both ends（2）With rear end
Lid（3）, which is characterized in that the pump housing（1）With hollow pump chamber（4）, the pump chamber（4）It is inside provided with eccentrically mounted
Rotor（5）, the rotor（5）One end extends to drive end bearing bracket（2）Outside, for being connected with external engine crankshaft, and institute
The rotor stated（5）With drive end bearing bracket（2）, rear end cap（3）Between be connected with bearing（6）, the rotor（5）On offer several
Along rotor（5）The rotor slot of circumferencial direction Rotating with Uniform distribution（7）, and each rotor slot（7）Axial length and rotor
（5）Length is consistent, each rotor slot（7）Inside it is mounted on blade（8）, the pump housing（1）Top be provided with and pump
Chamber（4）The air inlet being connected（9）, the pump housing（1）Side be connected with fuel tank（10）, and fuel tank（10）With the pump housing（1）It
Between be connected with fixed frame（11）, the fuel tank（10）Front end is provided with air inlet（9）With the pump housing（1）What inside was connected
Oil return pipe（12）, side wall front side is provided with drive end bearing bracket（2）With pump chamber（4）The preceding oil inlet pipe being connected（13）, side wall
Rear side is provided with rear oil inlet pipe（14）, the rear oil inlet pipe（14）Tail end is provided with the cooling pipe for bending of spiraling（15）, institute
The cooling pipe stated（15）Pass through rear end cap（3）Access pump chamber（4）, the fuel tank（10）It is inside provided with for oil return pipe（12）
The exhaust filter core of Oil-gas Separation after inner fluid reflux（16）And the oil strainer of filtering fluid（17）, the fuel tank（10）With
Exhaust filter core（16）Gas outlet is provided at opposite position（18）.
2. a kind of novel rotary vane type vacuum pump according to claim 1, which is characterized in that the fuel tank（10）Front end face
On be provided with oil-control panel（19）, the oil-control panel（19）On be provided with and fuel tank（10）The filler plug that inside is connected
（20）With go out plug cock（21）, described goes out plug cock（21）Positioned at filler plug（20）Lower part, and go out plug cock（21）With filler plug
（20）Between be provided with observable fuel tank at position（10）The oil mirror of internal oil height（22）.
3. a kind of novel rotary vane type vacuum pump according to claim 1, which is characterized in that the pump housing（1）Rear end face
On be provided with gas ballasting pipe（23）, the gas ballasting pipe（23）Along the pump housing（1）End cap forward（2）Direction extends, and gas ballasting pipe（23）
Tail end be provided with gas ballast valve（24）.
4. a kind of novel rotary vane type vacuum pump according to claim 1, which is characterized in that the rotor（5）Rear end has
Extend to rear end cap（3）Outer rear shaft（25）, the rear shaft（25）On be provided with radiator fan（26）, described dissipates
Hot-air fan（26）Positioned at the cooling pipe for bending of spiraling（15）Inside, the cooling pipe（15）It is provided with protective cover outside
（27）.
5. a kind of novel rotary vane type vacuum pump according to claim 1, which is characterized in that the fixed frame（11）With pump
Body（1）Side wall between be provided with shockproof sheet（28）.
6. a kind of novel rotary vane type vacuum pump according to claim 1, which is characterized in that the air inlet（9）Inside set
It is equipped with non-return valve（29）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678612.1U CN207660825U (en) | 2017-12-06 | 2017-12-06 | A kind of novel rotary vane type vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678612.1U CN207660825U (en) | 2017-12-06 | 2017-12-06 | A kind of novel rotary vane type vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660825U true CN207660825U (en) | 2018-07-27 |
Family
ID=62940812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721678612.1U Active CN207660825U (en) | 2017-12-06 | 2017-12-06 | A kind of novel rotary vane type vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660825U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842502A (en) * | 2017-12-06 | 2018-03-27 | 温岭市石桥真空机械厂 | A kind of novel rotary vane type vacuum pump |
| CN108869416A (en) * | 2018-09-14 | 2018-11-23 | 江苏政田重工股份有限公司 | A kind of cooling device of ship fuel tank |
| CN109236647A (en) * | 2018-09-27 | 2019-01-18 | 杨静 | A kind of rotary-vane vaccum pump unit |
| CN112032025A (en) * | 2020-09-10 | 2020-12-04 | 河北通嘉宏盛科技有限公司 | Vacuum pump protection box with air circulation filtering and cooling functions |
| CN117605690A (en) * | 2023-12-07 | 2024-02-27 | 东莞市致能机械有限公司 | Vacuum equipment |
-
2017
- 2017-12-06 CN CN201721678612.1U patent/CN207660825U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842502A (en) * | 2017-12-06 | 2018-03-27 | 温岭市石桥真空机械厂 | A kind of novel rotary vane type vacuum pump |
| CN108869416A (en) * | 2018-09-14 | 2018-11-23 | 江苏政田重工股份有限公司 | A kind of cooling device of ship fuel tank |
| CN109236647A (en) * | 2018-09-27 | 2019-01-18 | 杨静 | A kind of rotary-vane vaccum pump unit |
| CN112032025A (en) * | 2020-09-10 | 2020-12-04 | 河北通嘉宏盛科技有限公司 | Vacuum pump protection box with air circulation filtering and cooling functions |
| CN117605690A (en) * | 2023-12-07 | 2024-02-27 | 东莞市致能机械有限公司 | Vacuum equipment |
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