CN206845521U - Corrosion-resistant single-stage list pump chamber water ring vacuum pump - Google Patents
Corrosion-resistant single-stage list pump chamber water ring vacuum pump Download PDFInfo
- Publication number
- CN206845521U CN206845521U CN201720700914.8U CN201720700914U CN206845521U CN 206845521 U CN206845521 U CN 206845521U CN 201720700914 U CN201720700914 U CN 201720700914U CN 206845521 U CN206845521 U CN 206845521U
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- China
- Prior art keywords
- axle sleeve
- pump
- corrosion
- pump chamber
- rotating shaft
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- Withdrawn - After Issue
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Abstract
The utility model belongs to Water-ring vacuum pump technical field, more particularly to a kind of corrosion-resistant single-stage list pump chamber water ring vacuum pump, and storage tank is provided with the wheel hub of impeller, gland is provided with storage tank, threaded connector is provided between gland and the end of rotating shaft；Axle sleeve is provided with rotating shaft, its first end is arranged in pump chamber, the second end is arranged on outside pump chamber, and the first sealing gasket is provided between the first end of axle sleeve and the wheel hub of impeller, clamp nut is provided with the second end of axle sleeve；The mechanical seal for being enclosed on axle sleeve and being connected with the pump housing is externally provided with pump chamber；The pump housing, pump cover are that the preserving timber bed of material is made up or served as a contrast on its medial surface of anti-corrosion material, and disk, impeller and axle sleeve are the parcel preserving timber bed of materials made of anti-corrosion material or on the outside of disk, impeller, axle sleeve.Solve the problems, such as that rotating shaft, mechanical seal anticorrosion effect difference and production cost are high, can strengthen corrosion resistance reduces production cost, is easy to safeguard mechanical seal, maintains.
Description
Technical field
The utility model belongs to Water-ring vacuum pump technical field, more particularly to a kind of corrosion-resistant single-stage list pump chamber Water-ring vacuum
Pump.
Background technology
In fields such as chemical industry, pharmacy often aspirate some corrosive gas with water ring vacuum pump, serious curtailment water
In the life-span of ring vacuum pump, higher is required to the corrosion resistance of water ring vacuum pump.At present, the big portion of the rotating shaft of water ring vacuum pump
Point, mechanical seal be all provided in the pump housing, rotating shaft, mechanical seal and corrosive gas or working media are direct during work
Contact, higher on the one hand is required to the corrosion resistance of mechanical seal, rotating shaft, causes production cost to increase, on the other hand to machinery
Sealing is overhauled and needs to disassemble water ring vacuum pump when being changed, and is wasted time and energy, is influenceed production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of corrosion-resistant single-stage list pump chamber water ring vacuum pump, it is intended to solves existing list
The problem of rotating shaft of the single pump chamber water ring vacuum pump of level, mechanical seal anticorrosion effect difference cause production cost high, can increase comprehensively
The corrosion resistance of strong single-stage list pump chamber water ring vacuum pump reduces production cost, and is easy to safeguard mechanical seal and protected
Support.
The utility model is achieved in that a kind of corrosion-resistant single-stage list pump chamber water ring vacuum pump, including links together
The pump housing and pump cover, be arranged on the pump housing and the pump cover surrounds disk in pump chamber, impeller and through the pump housing
The rotating shaft inserted in pump chamber, the impeller are arranged in the rotating shaft；The impeller wheel hub close to one end of the disk
Storage tank is provided with, gland is provided with the storage tank, screw thread is provided between the end of the gland and the rotating shaft and is connected
Fitting；Axle sleeve is provided with the rotating shaft, the first end of the axle sleeve is arranged in pump chamber, and the second end of the axle sleeve is arranged on
Outside pump chamber, the first sealing being set in the rotating shaft is provided between the first end of the axle sleeve and the wheel hub of the impeller
Pad, the clamp nut being connected with the shaft thread is provided with the second end of the axle sleeve；It is externally provided with and is enclosed in the pump chamber
The mechanical seal being connected on the axle sleeve and with the pump housing；The pump housing, the pump cover be made of anti-corrosion material or
The pump housing, the pump cover medial surface on serve as a contrast the preserving timber bed of material, the disk, the impeller and the axle sleeve are by anti-corrosion
The preserving timber bed of material is wrapped up made of material or in the outside of the disk, the impeller, the axle sleeve.
As an improvement the mechanical seal is single mechanical end face seal, the stationary ring of the mechanical seal is set in institute
State on axle sleeve and be fixedly connected with the pump housing, the spring socket sleeve of the mechanical seal is located on the axle sleeve and the company of being secured to
Connect, the rotating ring of the mechanical seal is set on the axle sleeve and is arranged between the stationary ring and the spring base.
As an improvement the mechanical seal is double mechanical seal, in the outside of the double mechanical seal
Provided with the seal box being tightly connected with the pump housing, water inlet and delivery port are provided with the seal box；The Double End machine
The stationary ring of tool sealing side is set on the axle sleeve and is connected with the pump housing, the stationary ring of opposite side is set on the axle sleeve
And be fixedly connected with the seal box, spring base is set between two stationary rings and is fixedly connected with the axle sleeve, rotating ring is set respectively
Between spring base and the stationary ring of respective side.
As an improvement the seal box includes box body, the box being fastened on the box body Single port of both ends open
Lid, the box body are set on the axle sleeve, and the box body another port is tightly connected with the pump housing, is set on the lid
There is the through hole passed through for the axle sleeve；The stationary ring being fixedly connected with the seal box be arranged on the through hole and the axle sleeve it
Between.
As an improvement the threaded connector is screw rod, one end of the screw rod is fixedly connected with the gland；
The end of the rotating shaft is provided with screwed hole, and the other end of the screw rod is connected with the screwed hole.
As an improvement the gland and the screw rod are integral type structure, the gland is made up of anti-corrosion material.
As an improvement the second sealing gasket is provided between the gland and the storage tank.
As an improvement the corrosion-resistant single-stage list pump chamber water ring vacuum pump also includes motor, in the motor and institute
State and be provided with support between the pump housing, shaft coupling is provided between the output end and the roller end of the motor, in the support
Bearing is connected between the rotating shaft.
As an improvement the clamp nut is provided with two.
As an improvement wrap up the preserving timber bed of material in the outside of the rotating shaft.
By adopting the above-described technical solution, corrosion-resistant single-stage list pump chamber water ring vacuum pump of the present utility model includes connection
The pump housing and pump cover together, it is arranged on the pump housing and pump cover surrounds disk in pump chamber, impeller and inserts pump through the pump housing
The rotating shaft of intracavitary, impeller are arranged in the rotating shaft；Storage tank is provided with one end close to disk of wheel hub of impeller, accommodating
Gland is provided with groove, threaded connector is provided between gland and the end of rotating shaft；It is provided with axle sleeve in rotating shaft, the first of axle sleeve
End is arranged in pump chamber, the second end is arranged on outside pump chamber, is provided with to be set between the first end of axle sleeve and the wheel hub of impeller and is turned
The first sealing gasket on axle, the clamp nut being connected with shaft thread is provided with the second end of axle sleeve；Set is externally provided with pump chamber
The mechanical seal being connected on axle sleeve and with the pump housing；The pump housing, pump cover are made of anti-corrosion material or in the pump housing, pump cover
Serve as a contrast the preserving timber bed of material on side, disk, impeller and axle sleeve be made of anti-corrosion material or disk, impeller, axle sleeve it is outer
Wrap up the preserving timber bed of material in side.Because an end portion being located in rotating shaft in pump chamber is provided with axle sleeve, in axle provided with gland, in rotating shaft
The first sealing gasket is provided between set and the wheel hub of impeller, sets clamp nut at the second end of axle sleeve, by turning in pump chamber
Shaft portion and working media and suction it is gas-insulated, can prevent rotating shaft from corroding；Mechanical seal is arranged on outside pump chamber, machinery
Sealing only has section components to be contacted with working media, and the corrosion resistance of mechanical seal is required to reduce, so as to reduce production cost,
Mechanical seal, which is arranged on the outside of the pump housing, to be easy to carry out maintenance to mechanical seal；The corrosion-resistant list of the utility model embodiment
The single pump chamber water ring vacuum pump of level solves the rotating shaft of existing single-stage list pump chamber water ring vacuum pump, mechanical seal anticorrosion effect difference is made
Into production cost it is high the problem of, can strengthen comprehensively single-stage list pump chamber water ring vacuum pump corrosion resistance reduce production cost, and
And it is easy to carry out maintenance to mechanical seal.
Brief description of the drawings
Fig. 1 is the structural representation of the corrosion-resistant single-stage list pump chamber water ring vacuum pump of the utility model first embodiment；
Fig. 2 is the structural representation of the corrosion-resistant single-stage list pump chamber water ring vacuum pump of the utility model second embodiment；
Wherein, 11, the pump housing, 12, pump cover, 13, disk, 14, impeller, 141, storage tank, 15, rotating shaft, 16, gland, 17, axle
Set, the 18, first sealing gasket, 19, single mechanical end face seal, 20, clamp nut, 21, motor, 22, support, 23, shaft coupling, 24,
Double mechanical seal, 25, seal box.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
First embodiment
As shown in Figure 1, the corrosion-resistant single-stage list pump chamber water ring vacuum pump include being connected to the integral pump housing 11 and pump cover 12,
It is arranged on the pump housing 11 and pump cover 12 surrounds disk 13 in pump chamber, impeller 14 and inserted through the pump housing 11 in pump chamber and turned
Axle 15, impeller 14 are arranged in rotating shaft 15；Storage tank 141 is provided with one end of disk 13 in the wheel hub of impeller 14, is being held
Put in groove 141 and be provided with gland 16, threaded connector is provided between the end of gland 16 and rotating shaft 15；Axle is provided with rotating shaft 15
Set 17, the first end of the axle sleeve 17 is arranged in pump chamber, is provided with and is arranged between the first end of axle sleeve 17 and the wheel hub of impeller 14
The first sealing gasket 18 in rotating shaft 15, the second end of the axle sleeve 17 are arranged on outside pump chamber, are provided with the second end of axle sleeve 17
The clamp nut 20 being threadedly coupled with rotating shaft 15, in the present embodiment, will in order to prevent that clamp nut 20 unclamps in rotation process
Clamp nut 20 is arranged to two；The mechanical seal for being enclosed on axle sleeve 17 and being connected with the pump housing 11 is externally provided with pump chamber；The pump housing 11,
Pump cover 12 be made of the anti-corrosion material or the pump housing 11, pump cover 12 medial surface on serve as a contrast the preserving timber bed of material, disk 13, impeller
14 be to wrap up the preserving timber bed of material made of anti-corrosion material or in the outside of disk 13, impeller 14 and axle sleeve 17.
Because an end portion being located in rotating shaft 15 in pump chamber is provided with axle sleeve 17, in axle provided with gland 16, in rotating shaft 15
The first sealing gasket 18 is provided between the first end of set 17 and the wheel hub of impeller 14, sets clamp nut at the second end of axle sleeve 17
20, by the gas-insulated of the spindle portion in pump chamber and working media and suction, it can prevent rotating shaft from corroding；Machinery is close
Envelope is arranged on outside pump chamber, and mechanical seal only has section components to be contacted with working media, and drop is required to the corrosion resistance of mechanical seal
Low, so as to reduce production cost, mechanical seal, which is arranged on the outside of the pump housing, to be easy to carry out maintenance to mechanical seal；This practicality
The corrosion-resistant single-stage list pump chamber water ring vacuum pump of new embodiment solves the rotating shaft of existing single-stage list pump chamber water ring vacuum pump, machine
The problem of tool sealing anticorrosion effect difference causes production cost high, the corrosion resistant of single-stage list pump chamber water ring vacuum pump can be strengthened comprehensively
Corrosion reduces production cost, and is easy to carry out maintenance to mechanical seal.
In the present embodiment, mechanical seal is single mechanical end face seal 19, and the mechanical seal includes being set on axle sleeve 17
And be fixedly connected with the pump housing 11 stationary ring, be set on axle sleeve 17 and be secured to be connected spring base, be set on axle sleeve 17
And the rotating ring between stationary ring and spring base is arranged on, spring is provided between spring base and rotating ring.
In the present embodiment, corrosion-resistant single-stage list pump chamber water ring vacuum pump also includes motor 21, in motor 21 and the pump housing 11
Between be provided with support 22, shaft coupling 23 is provided between the output end of motor 21 and the end of rotating shaft 15, in support 22 and rotating shaft 15
Between be connected with bearing.
In the present embodiment, threaded connector is screw rod, one end of screw rod and gland 16；Spiral shell is provided with the end of rotating shaft 15
Pit, the other end of screw rod are connected with screwed hole.Specifically, gland 16 and screw rod can be welding, or integral type
Structure, in order to further enhance sealing effectiveness, the second sealing gasket is provided between gland 16 and storage tank 141.
In the present embodiment, the pump housing 11, pump cover 12 are typically by phenolaldehyde moulding compound, polyphenylene sulfide fibre reinforced plastics, benzene
Made of the anti-corrosion materials such as ether fibre reinforced plastics, naturally it is also possible to carried out in the medial surface Fluorine-lined plastics of the pump housing 11, pump cover 12
Anti-corrosion；Disk 13, impeller 14 and axle sleeve 17 are typically by phenolaldehyde moulding compound, polyphenylene sulfide fibre reinforced plastics, polyphenylether fibre
Made of the anti-corrosion materials such as reinforced plastics, fluoroplastics or disk 13, impeller 14, the outside of axle sleeve 17 parcel phenolaldehyde moulding compound,
The materials such as polyphenylene sulfide fibre reinforced plastics, polyphenylether fibre reinforced plastics, fluoroplastics.
In the present embodiment, prevent rotating shaft 15 from corroding to further strengthen corrosion resistance, wrapped in the outside of rotating shaft 15
Wrap up in the preserving timber bed of material.
Second embodiment
As shown in Figure 2, the present embodiment and first embodiment are essentially identical, and its difference is：
Mechanical seal is double mechanical seal 24, is provided with the outside of double mechanical seal 24 and seals company with the pump housing 11
The seal box 25 connect, water inlet and delivery port are provided with seal box 25；The stationary ring of the side of double mechanical seal 24 is arranged
Be fixedly connected on axle sleeve 17 and with the pump housing 11, the stationary ring of opposite side is set on axle sleeve 17 and be fixedly connected with seal box 25,
Spring base sets between two stationary rings and is fixedly connected with axle sleeve 17, rotating ring is separately positioned on spring base and the stationary ring of respective side it
Between, it is respectively equipped with spring between spring base and the rotating ring of respective side.
Cooling water is flowed into by water inlet, is flowed out by delivery port, and double mechanical seal 24 can be cooled down；Double End
The side of mechanical seal 24 can prevent working media from leaking, opposite side can to the pump housing 11 with being sealed at axle sleeve 17
, with being sealed at axle sleeve 17, to prevent cooling water leakage to seal box 25.
In the present embodiment, seal box 25 includes box body, the lid being fastened on box body Single port of both ends open, the box
Body is set on axle sleeve 17, and the box body another port is tightly connected with the pump housing 11, is provided with lid and is led to for what axle sleeve 17 passed through
Hole；The stationary ring being fixedly connected with seal box 25 is arranged between through hole and axle sleeve 17.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. corrosion-resistant single-stage list pump chamber water ring vacuum pump, including link together the pump housing and pump cover, be arranged on the pump housing and
The pump cover surrounds disk, impeller and the rotating shaft inserted through the pump housing in pump chamber in pump chamber, the impeller installation
In the rotating shaft；Characterized in that, the wheel hub in the impeller is provided with storage tank on one end of the disk, described
Gland is provided with storage tank, threaded connector is provided between the end of the gland and the rotating shaft；Set in the rotating shaft
There is axle sleeve, the first end of the axle sleeve is arranged in pump chamber, and the second end of the axle sleeve is arranged on outside pump chamber, in the axle sleeve
The first sealing gasket being set in the rotating shaft is provided between the wheel hub of first end and the impeller, at the second end of the axle sleeve
Place is provided with the clamp nut being connected with the shaft thread；The pump chamber be externally provided be enclosed on the axle sleeve and with the pump housing
The mechanical seal of connection；The pump housing, the pump cover are made of anti-corrosion material or in the pump housing, the pump cover
The preserving timber bed of material is served as a contrast on side, the disk, the impeller and the axle sleeve are made of anti-corrosion material or in the circle
Disk, the impeller, the axle sleeve outside parcel preserving timber bed of material.
2. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that the mechanical seal is
Single mechanical end face seal, the stationary ring of the mechanical seal are set on the axle sleeve and are fixedly connected with the pump housing, the machine
The spring socket sleeve of tool sealing is located on the axle sleeve and is secured to connection, the rotating ring of the mechanical seal is set in the axle sleeve
Above and it is arranged between the stationary ring and the spring base.
3. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that the mechanical seal is
Double mechanical seal, the seal box being tightly connected with the pump housing is provided with the outside of the double mechanical seal, in institute
State seal box and be provided with water inlet and delivery port；The stationary ring of the double mechanical seal side be set on the axle sleeve and with
The pump housing connection, the stationary ring of opposite side are set on the axle sleeve and are fixedly connected with the seal box, spring base sets two
It is fixedly connected between stationary ring and with the axle sleeve, rotating ring is separately positioned on spring base between the stationary ring of respective side.
4. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 3, it is characterised in that the seal box includes
The box body of both ends open, the lid being fastened on the box body Single port, the box body are set on the axle sleeve, the box body
Another port is tightly connected with the pump housing, and the through hole passed through for the axle sleeve is provided with the lid；With the seal box
The stationary ring being fixedly connected is arranged between the through hole and the axle sleeve.
5. the corrosion-resistant single-stage list pump chamber water ring vacuum pump according to any one of Claims 1-4, it is characterised in that described
Threaded connector is screw rod, and one end of the screw rod is fixedly connected with the gland；Screwed hole is provided with the end of the rotating shaft,
The other end of the screw rod is connected with the screwed hole.
6. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 5, it is characterised in that the gland with it is described
Screw rod is integral type structure, and the gland is made up of anti-corrosion material.
7. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 5, it is characterised in that in the gland and institute
State and be provided with the second sealing gasket between storage tank.
8. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that the corrosion-resistant single-stage
Single pump chamber water ring vacuum pump also includes motor, support is provided between the motor and the pump housing, in the output of the motor
Shaft coupling is provided between end and the roller end, bearing is connected between the support and the rotating shaft.
9. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that the clamp nut is set
It is equipped with two.
10. corrosion-resistant single-stage list pump chamber water ring vacuum pump according to claim 1, it is characterised in that in the rotating shaft
Wrap up the preserving timber bed of material in outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720700914.8U CN206845521U (en) | 2017-06-15 | 2017-06-15 | Corrosion-resistant single-stage list pump chamber water ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720700914.8U CN206845521U (en) | 2017-06-15 | 2017-06-15 | Corrosion-resistant single-stage list pump chamber water ring vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845521U true CN206845521U (en) | 2018-01-05 |
Family
ID=60800630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720700914.8U Withdrawn - After Issue CN206845521U (en) | 2017-06-15 | 2017-06-15 | Corrosion-resistant single-stage list pump chamber water ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288919A (en) * | 2017-06-15 | 2017-10-24 | 淄博联帮泵业有限公司 | Corrosion-resistant single-stage list pump chamber water ring vacuum pump |
-
2017
- 2017-06-15 CN CN201720700914.8U patent/CN206845521U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288919A (en) * | 2017-06-15 | 2017-10-24 | 淄博联帮泵业有限公司 | Corrosion-resistant single-stage list pump chamber water ring vacuum pump |
| CN107288919B (en) * | 2017-06-15 | 2023-06-27 | 山东联帮泵业科技有限公司 | Corrosion-resistant single-stage single-pump cavity water ring vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180105 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180105 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |