CN206054302U - A kind of rotary-vane vaccum pump - Google Patents
A kind of rotary-vane vaccum pump Download PDFInfo
- Publication number
- CN206054302U CN206054302U CN201621005121.6U CN201621005121U CN206054302U CN 206054302 U CN206054302 U CN 206054302U CN 201621005121 U CN201621005121 U CN 201621005121U CN 206054302 U CN206054302 U CN 206054302U
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- pump
- main body
- fuel tank
- pump main
- hole
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- Rotary Pumps (AREA)
Abstract
The utility model discloses a kind of rotary-vane vaccum pump, it is desirable to provide a kind of machining of the pump housing for being easy to the pump housing, and the machining accuracy and fineness of the pump housing for being conducive to improving the pump housing, so as to improve the rotary-vane vaccum pump of the service life of vacuum pump.It includes the pump housing, the pump rotor being arranged in the pump housing and the motor for driving pump rotor to rotate, the pump housing includes pump main body, is arranged in pump main body and the column pump housing through the left and right two ends of pump main body, is arranged on the left end cover of pump main body left end and is arranged on the right end cover of pump main body right-hand member, it is bolted between the left end cover and pump main body, it is bolted between right end cover and pump main body, the pump rotor is arranged in column pump chamber body.
Description
Technical field
This utility model is related to a kind of pump, and in particular to a kind of rotary-vane vaccum pump.
Background technology
Rotary-vane vaccum pump is one of most basic pumping equipment in vacuum technique.Rotary-vane vaccum pump is mainly by pump
Body, rotor, blade etc. are constituted, and prejudicially install a rotor in the intracavity of sliding vane rotary pump, and rotor slot is built with blade.During rotation,
Blade top is made to keep contacting with the inwall of pump chamber by centrifugal force, rotor rotarily drives blade and slides along pump chamber inwall.
Pump housing in the pump housing of current rotary-vane vaccum pump is usually the column blind hole of one end closing, although this
It is easy to the making of pump housing shell, but as pump housing is the column blind hole of one end closing, is but unfavorable for that the machine of pump housing adds
Work, often affects inner surface machining accuracy and fineness of pump housing etc., so as to affect the service life of vacuum pump.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of pump chamber for being easy to the pump housing
The machining of body, and the machining accuracy and fineness of the pump housing for being conducive to improving the pump housing, so as to improve the use longevity of vacuum pump
The rotary-vane vaccum pump of life.
The technical solution of the utility model is：
A kind of rotary-vane vaccum pump, including the pump housing, the pump rotor being arranged in the pump housing and for drive pump rotor rotation
Motor, the pump housing includes pump main body, the column pump housing at the left and right two ends that are arranged in pump main body and run through pump main body,
The left end cover for being arranged on pump main body left end and the right end cover for being arranged on pump main body right-hand member, the left end cover and pump
It is bolted between main body, is bolted between right end cover and pump main body, the pump rotor is arranged on column
In pump chamber body.
As the pump housing of this programme includes pump main body and right-left seal end cap, and the column pump housing of pump main body runs through pump master
The left and right two ends of body, not only can so be easy to the machining of column pump housing, can also improve the processing essence of column pump housing
Degree and fineness, so as to improve the service life of vacuum pump, and reduce the caloric value during vacuum pump use.On the other hand,
The split production of the pump housing simultaneously passes through bolts assemblies, this also have the advantage that the radiating effect for improving the pump housing itself.
Preferably, also including fuel tank, the lateral surface of the fuel tank is provided with fuel tank connection end and fuel tank air vent, described
The end face of fuel tank connection end is provided with the oil supplying hole and fuel tank air inlet being connected with fuel tank inner chamber, the lateral surface of the pump main body
Pump main body connection end and pump main body air inlet are provided with, the end face of the pump main body connection end is provided with and is connected with column pump housing
Logical oil-through hole and pump main body bleeder, the fuel tank connection end are connected with pump main body connection end, the oil supplying hole with it is excessively oily
Hole is tightly connected, and the pump main body bleeder is tightly connected with fuel tank air inlet.
In the rotary-vane vaccum pump course of work of this programme, air-flow enters column pump housing by pump main body air inlet, then
Enter in fuel tank with fuel tank air inlet through pump main body bleeder, and discharged by fuel tank air vent.On the other hand, it is true in rotary vane type
During empty pump work, fuel tank is column pump housing fuel feeding by oil supplying hole and oil-through hole.
Preferably, dividing plate is provided with fuel tank, fuel tank inner chamber is separated into upper cavity and lower chamber, the cavity of resorption by the dividing plate
Noise reduction web plate is provided with vivo, the oil supplying hole and fuel tank air inlet are connected with lower chamber, the fuel tank air vent and upper cavity
It is connected, the bulkhead through-hole of upper cavity and lower chamber is communicated with the dividing plate, in the epicoele body, oil mist filter is provided with,
And the filtering air inlet of oil mist filter is tightly connected with bulkhead through-hole.
Then the air-flow that fuel tank is flowed through in this programme will be discharged by fuel tank air vent again through oil mist filter；And air-flow
To realize that when oil mist filter mist of oil is separated, and the fluid isolated will be will accumulate in epicoele body, recycle.
Preferably, the tank drainback hole connected with the bottom of upper cavity on the end face of fuel tank connection end, is additionally provided with, it is described
It is additionally provided with epicoele body for controlling the float switch that tank drainback hole is opened/closed, the end face of the pump main body connection end is provided with
The pump main body spill port being connected with column pump housing, and pump main body spill port is tightly connected with tank drainback hole.
When oil mist filter isolate and the fluid that is gathered in epicoele body reach a certain amount of when, float switch will be automatic
Tank drainback hole is opened, the fluid being gathered in epicoele body will flow back to column pump chamber by pump main body spill port and tank drainback hole
In vivo, it is circulated utilization.
Preferably, the bottom surface of upper cavity is provided with oil drain tank, the float switch is located in oil drain tank, and the fuel tank is returned
Oilhole is located on the side wall of oil drain tank.The setting of this programme oil drain tank causes fluid concentration to be gathered in oil drain tank, so as to favourable
The fluid isolated in oil mist filter is recycled.
Preferably, the lateral surface of fuel tank is provided with the installing port being connected with upper cavity, the lateral surface of fuel tank is provided with
Envelope hides the cover plate of the installing port, and cover plate is bolted with fuel tank, and the fuel tank air vent is arranged on the cover board；The dividing plate
Through hole is oppositely arranged with installing port, and the oil mist filter includes column filter element, is arranged on the end cap at column filter element or so two ends,
The end cap of column filter element left end is provided with stop collar, and the filtering air inlet is arranged in stop collar, and the stop collar is plugged in
In bulkhead through-hole, end cap seal circle is arranged with stop collar, and end cap seal circle is located at the end cap of dividing plate and column filter element left end
Between；The end cap of the column filter element right-hand member is provided with the guide rod parallel with column filter element axis, the cover plate be provided with
The guide pin bushing that guide rod coordinates, guide rod are plugged in guide pin bushing, and pretension compression spring is also arranged with the guide rod.This programme can protected
While card filtering air inlet is tightly connected with bulkhead through-hole, it is easy to the actual installation practice of oil mist filter.
Preferably, the cross section of fuel tank is rectangle, the fuel tank air inlet near one end of fuel tank length direction, every
The other end of the plate through hole near fuel tank length direction.This programme structure is conducive to extending air-flow by fuel tank air inlet to bulkhead through-hole
Between airflow path length, so as to improve mist of oil of the air-flow in nowel body free settling, separate, so as to extend mist of oil
The service life of filter.
Preferably, the end face of pump main body connection end is provided with the valve block corresponding with pump main body bleeder and valve block is spacing
Plate, the valve block and valve block limiting plate are bolted on the end face of pump main body connection end, and valve block is arranged positioned at pump main body
Between pore and valve block limiting plate.The valve block limiting plate of this programme angle of bend for limiting valve block, it is to avoid the angle of bend of valve block
Spend big and produce permanent deformation and fail.
Preferably, being provided with check valve in pump main body air inlet.
Preferably, being equipped with some fin on left end cover and the lateral surface of end cover.This programme structure has
Beneficial to the radiating effect for improving the pump housing.
The beneficial effects of the utility model are：It is easy to the machining of the pump housing of the pump housing, and is conducive to improving the pump of the pump housing
The machining accuracy and fineness of cavity, so as to improve the service life of vacuum pump.
Description of the drawings
Fig. 1 is the front view of rotary-vane vaccum pump of the present utility model.
Fig. 2 is the top view of rotary-vane vaccum pump of the present utility model.
Fig. 3 is a kind of explosive view of the pump housing of the present utility model.
Fig. 4 is the cross-sectional view in Fig. 2 at A-A.
Fig. 5 is the cross-sectional view in Fig. 2 at B-B.
In figure：Fuel tank 1, noise reduction web plate 11, dividing plate 12, lower chamber 13, fuel tank air inlet 14, fuel tank connection end 15, fuel tank
Spill port 16, upper cavity 17, oil drain tank 18, bulkhead through-hole 19, motor 2, the pump housing 3, left end cover 31, pump main body 32,
Right end cover 33, pump main body air inlet 34, column pump housing 35, pump rotor 36, pump main body connection end 37, pump main body bleeder
38th, oil-through hole 39, valve block 310, valve block limiting plate 311, pump main body spill port 312, oil mist filter 4, end cap 41, stop collar
42, float switch 5, pretension compression spring 6, cover plate 7.
Specific embodiment
This utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of rotary-vane vaccum pump includes the pump housing 3, fuel tank 1, is arranged in the pump housing
Pump rotor 36 and the motor 2 for driving pump rotor to rotate.The pump housing includes pump main body 32, is arranged in pump main body and runs through
The column pump housing 35 at the left and right two ends of pump main body, the left end cover 31 for being arranged on pump main body left end and to be arranged on pump main body right
The right end cover 33 at end.Some fin are equipped with left end cover and the lateral surface of end cover.Left end cover with
It is bolted between pump main body, is bolted between right end cover and pump main body.Pump rotor is arranged on column pump
In cavity, pump rotor is provided with blade.Motor is connected with left end cover by bolt, and the rotating shaft of motor is passed through
Left end cover is connected with pump rotor.
The lateral surface of pump main body is provided with pump main body connection end 37 and pump main body air inlet 34.It is provided with pump main body air inlet
Check valve.The end face of pump main body connection end be provided be connected with column pump housing oil-through hole 39, pump main body bleeder 38 and
Pump main body spill port 312, and oil-through hole is located at the lower section of pump main body bleeder, pump main body spill port is located at pump main body bleeder
Top.The valve block 310 corresponding with pump main body bleeder and valve block limiting plate 311 are additionally provided with the end face of pump main body connection end.
Valve block is resisted against on the end face of pump main body connection end.Valve block and valve block limiting plate are bolted on the end of pump main body connection end
On face, and valve block is located between pump main body bleeder and valve block limiting plate.Outer skew back of the valve block limiting plate toward pump main body connection end
Extend downwardly.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, the cross section of fuel tank 1 is rectangle（Cross section in the horizontal direction of fuel tank
It is rectangle）.Dividing plate 12 is provided with fuel tank, fuel tank inner chamber is separated into upper cavity 17 and lower chamber 13 by the dividing plate.Dividing plate is in L
Shape, dividing plate are made up of with vertical clapboard horizontal baffle, and vertical clapboard is located above horizontal baffle.Silencing net is provided with cavity of resorption body
Plate 11.
The lateral surface of fuel tank is provided with fuel tank connection end 15 and fuel tank air vent.The end face of fuel tank connection end is provided with and oil
Oil supplying hole, fuel tank air inlet 14 and tank drainback hole 16 that box cavity is connected.Oil supplying hole is located at the lower section of fuel tank air inlet, oil
Tank drainback hole position is in the top of fuel tank air inlet.Oil supplying hole and fuel tank air inlet are located at below dividing plate, and oil supplying hole and fuel tank enter
QI KOU is connected with lower chamber.Fuel tank connection end is connected with pump main body connection end.Oil supplying hole is tightly connected with oil-through hole.Pump master
Body steam vent is tightly connected with fuel tank air inlet.Valve block and valve block limiting plate are located in fuel tank air inlet.
Tank drainback hole is connected with the bottom of upper cavity.It is additionally provided with epicoele body for controlling what tank drainback hole was opened/closed
Float switch 5.A certain amount of fluid is stored in the cavity of resorption body of fuel tank.The bottom surface of upper cavity is provided with oil drain tank 18.Ball float is opened
Off-position is in oil drain tank.Tank drainback hole position is on the side wall of oil drain tank.Pump main body spill port is tightly connected with tank drainback hole.
The lateral surface of fuel tank is provided with the installing port being connected with upper cavity.The lateral surface of fuel tank is provided with envelope and hides the installation
The cover plate 7 of mouth.Cover plate is bolted with fuel tank.Fuel tank air vent is arranged on the cover board, fuel tank air vent and epicoele body phase
Connection.
The bulkhead through-hole 19 of upper cavity and lower chamber is communicated with dividing plate.Bulkhead through-hole is arranged on vertical clapboard.Every
Plate through hole is oppositely arranged with installing port., near one end of fuel tank length direction, bulkhead through-hole is near fuel tank length for fuel tank air inlet
The other end in direction.
Oil mist filter 4 is provided with epicoele body.Oil mist filter includes column filter element, is arranged on column filter element or so two ends
End cap 41.The end cap of column filter element left end is provided with stop collar 42.The filter communicated with column filter element is provided with stop collar
Air inlet.The filtering air inlet of oil mist filter is tightly connected with bulkhead through-hole, and specifically, stop collar is plugged in dividing plate and leads to
In hole, end cap seal circle on stop collar, is arranged with, and end cap seal circle is located between dividing plate and the end cap of column filter element left end.Post
The end cap of shape filter element right-hand member is provided with the guide rod parallel with column filter element axis.Cover plate is provided with the guide pin bushing coordinated with guide rod.
Guide rod is plugged in guide pin bushing.Pretension compression spring 6 is arranged with guide rod also, pretension compression spring one end is resisted against cover plate, another
End is resisted against on the end cap of column filter element right-hand member.
In the rotary-vane vaccum pump course of work of this programme of the present embodiment：Air-flow enters column pump by pump main body air inlet
Cavity, is then passed through pump main body bleeder and is entered in the cavity of resorption body of fuel tank, followed by air-flow is through mist of oil mistake with fuel tank air inlet
Filter carries out mist of oil separation, is finally discharged by fuel tank air vent.
In the rotary-vane vaccum pump course of work：Fluid in the cavity of resorption body of fuel tank under vacuum, will be by fuel feeding
Hole is column pump housing fuel feeding with oil-through hole.
Air-flow when oil mist filter it is separated go out fluid be gathered in the oil drain tank of upper cavity, when in oil drain tank
When fluid reaches a certain amount of, float switch would automatically turn on tank drainback hole, make the fluid will be by pump main body spill port and fuel tank
Spill port is flowed back in column pump chamber body, is circulated utilization.
Claims (10)
1. a kind of rotary-vane vaccum pump, including the pump housing, the pump rotor being arranged in the pump housing and the drive for driving pump rotor to rotate
Galvanic electricity machine, is characterized in that, the pump housing includes pump main body, the column at left and right two ends that is arranged in pump main body and runs through pump main body
Pump housing, the left end cover for being arranged on pump main body left end and the right end cover of pump main body right-hand member is arranged on, the left sealing
It is bolted between end cap and pump main body, is bolted between right end cover and pump main body, the pump rotor sets
Put in column pump chamber body.
2. a kind of rotary-vane vaccum pump according to claim 1, is characterized in that, also including fuel tank, the outside of the fuel tank
Face is provided with fuel tank connection end and fuel tank air vent, and the end face of the fuel tank connection end is provided with the confession being connected with fuel tank inner chamber
Oilhole and fuel tank air inlet, the lateral surface of the pump main body are provided with pump main body connection end and pump main body air inlet, the pump master
The end face of body connection end is provided with the oil-through hole and pump main body bleeder being connected with column pump housing, the fuel tank connection end with
Pump main body connection end is connected, and the oil supplying hole is tightly connected with oil-through hole, and the pump main body bleeder is close with fuel tank air inlet
Envelope connection.
3. a kind of rotary-vane vaccum pump according to claim 2, is characterized in that, be provided with dividing plate in the fuel tank, the dividing plate
Fuel tank inner chamber is separated into into upper cavity and lower chamber, noise reduction web plate, the oil supplying hole and fuel tank air inlet in the cavity of resorption body, is provided with
Mouth is connected with lower chamber, and the fuel tank air vent is connected with upper cavity, and upper cavity and cavity of resorption are communicated with the dividing plate
The bulkhead through-hole of body, is provided with oil mist filter, and the filtering air inlet and bulkhead through-hole of oil mist filter in the epicoele body
It is tightly connected.
4. a kind of rotary-vane vaccum pump according to claim 3, is characterized in that, also set on the end face of the fuel tank connection end
There is the tank drainback hole connected with the bottom of upper cavity, be additionally provided with the epicoele body for controlling what tank drainback hole was opened/closed
Float switch, the end face of the pump main body connection end are provided with the pump main body spill port being connected with column pump housing, and pump master
Body spill port is tightly connected with tank drainback hole.
5. a kind of rotary-vane vaccum pump according to claim 4, is characterized in that, the bottom surface of the upper cavity is provided with poly- oil
Groove, the float switch are located in oil drain tank, and the tank drainback hole position is on the side wall of oil drain tank.
6. a kind of rotary-vane vaccum pump according to claim 3 or 4 or 5, is characterized in that, set on the lateral surface of the fuel tank
There is the installing port being connected with upper cavity, the lateral surface of fuel tank is provided with the cover plate that envelope hides the installing port, and cover plate is passed through with fuel tank
Bolt connection, the fuel tank air vent are arranged on the cover board；
The bulkhead through-hole is oppositely arranged with installing port, and the oil mist filter includes column filter element, is arranged on a column filter element left side
The end cap at right two ends, the end cap of column filter element left end are provided with stop collar, and the filtering air inlet is arranged in stop collar, described
Stop collar is plugged in bulkhead through-hole, and end cap seal circle is arranged with stop collar, and end cap seal circle is located at dividing plate and is filtered with column
Between the end cap of core left end；
The end cap of the column filter element right-hand member is provided with the guide rod parallel with column filter element axis, and the cover plate is provided with and leads
The guide pin bushing that bar coordinates, guide rod are plugged in guide pin bushing, and pretension compression spring is also arranged with the guide rod.
7. a kind of rotary-vane vaccum pump according to claim 3 or 4 or 5, is characterized in that, the cross section of the fuel tank is in length
Square, the fuel tank air inlet is near one end of fuel tank length direction, the other end of the bulkhead through-hole near fuel tank length direction.
8. a kind of rotary-vane vaccum pump according to Claims 2 or 3 or 4 or 5, is characterized in that, the pump main body connection end
End face be provided with the valve block corresponding with pump main body bleeder and valve block limiting plate, the valve block and valve block limiting plate pass through spiral shell
Bolt is fixed on the end face of pump main body connection end, and valve block is located between pump main body bleeder and valve block limiting plate.
9. a kind of rotary-vane vaccum pump according to Claims 2 or 3 or 4 or 5, is characterized in that, the pump main body air inlet
Check valve is provided with inside.
10. a kind of rotary-vane vaccum pump according to claim 1 or 2 or 3 or 4 or 5, is characterized in that, the left sealed end
Some fin are equipped with lid and the lateral surface of end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005121.6U CN206054302U (en) | 2016-08-31 | 2016-08-31 | A kind of rotary-vane vaccum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005121.6U CN206054302U (en) | 2016-08-31 | 2016-08-31 | A kind of rotary-vane vaccum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054302U true CN206054302U (en) | 2017-03-29 |
Family
ID=58378291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621005121.6U Expired - Fee Related CN206054302U (en) | 2016-08-31 | 2016-08-31 | A kind of rotary-vane vaccum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206054302U (en) |
-
2016
- 2016-08-31 CN CN201621005121.6U patent/CN206054302U/en not_active Expired - Fee Related
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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: 20170329 Termination date: 20190831 |