CN207161330U - A kind of modified water ring vacuum pump - Google Patents
A kind of modified water ring vacuum pump Download PDFInfo
- Publication number
- CN207161330U CN207161330U CN201720693335.5U CN201720693335U CN207161330U CN 207161330 U CN207161330 U CN 207161330U CN 201720693335 U CN201720693335 U CN 201720693335U CN 207161330 U CN207161330 U CN 207161330U
- Authority
- CN
- China
- Prior art keywords
- pump housing
- long
- short
- air inlet
- impeller
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a kind of modified water ring vacuum pump, including the long pump housing and the short pump housing；The first midfeather and the second midfeather are provided between the long pump housing and the short pump housing, steam vent is opened up on first midfeather, suction hole is opened up on second midfeather, long impeller and short impeller, long impeller and the eccentric connection transmission long axis of short impeller are respectively arranged with the long pump housing and the short pump housing；Air inlet disk is sealedly connected with the right side of the long pump housing inner chamber, exhaust disk is sealedly connected with the left of short pump housing inner chamber；The outer ring of the air inlet disk and exhaust disk offers annular groove, is provided with elastic sealing element in annular groove, elastic sealing element is located at sealed connection；The right-hand member connection front end-plate of the long pump housing, the left end connection end plate of the short pump housing；The top connection air inlet pipe of front end-plate, the top connection blast pipe of end plate.The utility model improves the final vacuum of vavuum pump suction gas；Simultaneously also damping noise reduction the advantages of.
Description
Technical field
A kind of water ring vacuum pump is the utility model is related to, specifically a kind of modified water ring vacuum pump.
Background technology
Water (liquid) is thrown to stator wall, water (liquid) shape by water ring vacuum pump built with the eccentric rotor with fixed blade
Into the pendular ring concentric with stator, pendular ring forms a kind of rotary volume-variable product vavuum pump of variable volume together with rotor blade.
Existing water ring vacuum pump is designed using single pump type mostly, and the final vacuum for sucking gas is smaller；While by
Rigid connection is used in suction disk, exhaust disk and the pump housing, caused vibrations and noise are larger in the process of running.
Utility model content
The purpose of this utility model is to provide a kind of modified water ring vacuum pump, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：
A kind of modified water ring vacuum pump, including the long pump housing and the short pump housing；The is provided between the long pump housing and the short pump housing
One midfeather and the second midfeather, steam vent is opened up on the first midfeather, open up suction hole on the second midfeather, the long pump housing and short
Long impeller and short impeller, long impeller and the eccentric connection transmission long axis of short impeller are respectively arranged with the pump housing；The long pump housing inner chamber
Right side is sealedly connected with air inlet disk, and air inlet is offered on air inlet disk, exhaust disk is sealedly connected with the left of short pump housing inner chamber, is vented
Exhaust outlet is offered on disk；The outer ring of the air inlet disk and exhaust disk offers annular groove, and elastic packing is provided with annular groove
Part, elastic sealing element are located at sealed connection；The right-hand member connection front end-plate of the long pump housing, the left end connection rear end of the short pump housing
Plate, front and rear end plate are provided with axle sleeve with transmission long axis junction, hold-down grid are provided with the outside of axle sleeve；Connect at the top of front end-plate
Tap into tracheae, the top connection blast pipe of end plate；Front axle pressure cap and rear axle are respectively fixed with the outside of the front and rear end plate
Pressure cap.
As further program of the utility model：The long impeller and short impeller are fixed by flat key and transmission long axis
Connection.
As the utility model further scheme：The elastic sealing element is made up of quality of rubber materials.
As the utility model further scheme：The end of the inlet tube and blast pipe is mounted on covering.
As the utility model further scheme：The outline of the long pump housing and the short pump housing is formed in one formula knot
Structure.
Compared with prior art, the beneficial effects of the utility model are：
In the utility model, the long pump housing and the short pump housing are provided with, the gas discharged through the long pump housing is sucked by the short pump housing, leads to
The too short pump housing reduces the drain pressure of long pump housing inner chamber to the compression of gas, so as to improve long pump housing suction gas
Final vacuum；Pass through the setting of air inlet disk and exhaust disk outer ring elastic sealing element simultaneously so that air inlet disk and exhaust disk and pump
Become to be flexibly connected by being rigidly connected between body, so as to serve the effect of damping noise reduction.
Brief description of the drawings
Fig. 1 is the structural representation of modified water ring vacuum pump.
Fig. 2 is the mplifying structure schematic diagram of A in Fig. 1.
In figure：The long pump housings of 1-, the long impellers of 11-, the midfeathers of 12- first, the short pump housings of 2-, the short impellers of 21-, among 22- second
After wall, 3- front end-plates, 31- air inlet pipe, 4- end plates, 41- blast pipes, 5- axle sleeves, 51- hold-down grids, 6- front axles pressure cap, 7-
Bearing gland, 8- air inlet disks, 9- exhausts disk, 91- annular grooves, 92- elastic sealing elements.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~2, in the utility model embodiment, a kind of modified water ring vacuum pump, including the long pump housing 1 and short
The pump housing 2；The first midfeather 12 and the second midfeather 22 are provided between the long pump housing 1 and the short pump housing 2, on the first midfeather 12
Steam vent is opened up, suction hole is opened up on the second midfeather 22, long impeller 11 and short is respectively arranged with the long pump housing 1 and the short pump housing 2
Impeller 21, long impeller 11 and the eccentric connection transmission long axis of short impeller 21；Air inlet disk is sealedly connected with the right side of the inner chamber of the long pump housing 1
8, air inlet is offered on air inlet disk 8, exhaust disk 9 is sealedly connected with the left of the short inner chamber of the pump housing 2, is vented on disk 9 and offers exhaust
Mouthful, from air inlet pipe 31 suck air via air inlet disk 8 enter the long pump housing 1, then by the first midfeather 12 and second among
Wall 22 enters the short pump housing 2, then through being discharged by exhaust disk 9 from blast pipe 41 after the compression of the too short pump housing 2, through too short pump
The gas that body 2 acts on reduces the drain pressure of the long pump housing 1, so as to improve the final vacuum that the long pump housing 1 sucks gas, enters
And improve the final vacuum of whole vavuum pump suction gas；The outer ring of the air inlet disk 8 and exhaust disk 9 offers annular
Groove 91, annular groove 91 is interior to be provided with elastic sealing element 92, and elastic sealing element 92 is located at sealed connection, so that the He of air inlet disk 8
Flexible contact become by rigid contact between the long pump housing 1 and between exhaust disk 9 and the short pump housing 2, so as to reached damping and
The effect of noise reduction；The long pump housing 1 right-hand member connection front end-plate 3, the short pump housing 2 left end connection end plate 4, front and rear end plate with
Transmission long axis junction is provided with axle sleeve 5, and the outside of axle sleeve 5 is provided with hold-down grid 51；The top connection air inlet pipe of front end-plate 3
31, the top connection blast pipe 41 of end plate 4；Front axle pressure cap 6 and rear bearing are respectively fixed with the outside of the front and rear end plate
Gland 7；
The long impeller 11 and short impeller 21 are fixedly connected by flat key with transmission long axis, so as to realize synchronous axial system；
The elastic sealing element 92 is made up of quality of rubber materials；
The end of the air inlet pipe 31 and blast pipe 41 is mounted on covering (being not drawn into figure)；
The outline of the long pump housing 1 and the short pump housing 2 is formed in one formula structure.
Operation principle of the present utility model is：
The utility model enters the long pump housing 1, Ran Houjing at work, from the air that air inlet pipe 31 sucks via air inlet disk 8
Cross the first midfeather 12 and the second midfeather 22 enters the short pump housing 2, then passed through after the compression of the too short pump housing 2 by exhaust disk 9
Discharged from blast pipe 41, the gas acted on through the too short pump housing 2 reduces the drain pressure of the long pump housing 1, so as to improve the long pump housing 1
The final vacuum of gas is sucked, and then improves the final vacuum of whole vavuum pump suction gas；Simultaneously because air inlet disk 8
Outer ring with being vented disk 9 offers annular groove 91, elastic sealing element 92 is set in annular groove, elastic sealing element 92 is positioned at sealing
Junction, so that becoming soft between air inlet disk 8 and the long pump housing 1 and between exhaust disk 9 and the short pump housing 2 by rigid contact
Property contact, so as to reach the effect of damping and noise reduction.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of modified water ring vacuum pump, including the long pump housing (1) and the short pump housing (2)；Characterized in that, the long pump housing (1)
The first midfeather (12) and the second midfeather (22) are provided between the short pump housing (2), the first midfeather opens up steam vent on (12),
Suction hole is opened up on second midfeather (22), long impeller (11) and short impeller are respectively arranged with the long pump housing (1) and the short pump housing (2)
(21), long impeller (11) and the eccentric connection major axis of short impeller (21)；Air inlet disk is sealedly connected with the right side of the long pump housing (1) inner chamber
(8) air inlet, is offered on air inlet disk (8), exhaust disk (9) is sealedly connected with the left of the short pump housing (2) inner chamber, is vented on disk (9)
Offer exhaust outlet；The outer ring of the air inlet disk (8) and exhaust disk (9) offers annular groove (91), is set in annular groove (91)
Flexible seal (92), elastic sealing element (92) are located at sealed connection；The right-hand member connection front end-plate of the long pump housing (1)
(3), the left end connection end plate (4) of the short pump housing (2), front and rear end plate at drive connection with being provided with axle sleeve (5), axle sleeve (5)
Outside is provided with hold-down grid (51)；The top connection air inlet pipe (31) of front end-plate (3), the top connection exhaust of end plate (4)
Manage (41)；Front axle pressure cap (6) and rear bearing gland (7) are respectively fixed with the outside of the front and rear end plate.
2. modified water ring vacuum pump according to claim 1, it is characterised in that the long impeller (11) and short impeller
(21) it is fixedly connected by flat key with transmission long axis.
3. modified water ring vacuum pump according to claim 1, it is characterised in that the elastic sealing element (92) is by rubber
Material is made.
4. modified water ring vacuum pump according to claim 1, it is characterised in that the air inlet pipe (31) and blast pipe
(41) end is mounted on covering.
5. modified water ring vacuum pump according to claim 1, it is characterised in that the long pump housing (1) and the short pump housing (2)
Outline be formed in one formula structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693335.5U CN207161330U (en) | 2017-06-15 | 2017-06-15 | A kind of modified water ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693335.5U CN207161330U (en) | 2017-06-15 | 2017-06-15 | A kind of modified water ring vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161330U true CN207161330U (en) | 2018-03-30 |
Family
ID=61711803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720693335.5U Expired - Fee Related CN207161330U (en) | 2017-06-15 | 2017-06-15 | A kind of modified water ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161330U (en) |
-
2017
- 2017-06-15 CN CN201720693335.5U patent/CN207161330U/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 |
Granted publication date: 20180330 Termination date: 20190615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |