CN206738220U - A kind of impeller lock tightening seal device - Google Patents
A kind of impeller lock tightening seal device Download PDFInfo
- Publication number
- CN206738220U CN206738220U CN201720453178.0U CN201720453178U CN206738220U CN 206738220 U CN206738220 U CN 206738220U CN 201720453178 U CN201720453178 U CN 201720453178U CN 206738220 U CN206738220 U CN 206738220U
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- China
- Prior art keywords
- impeller
- nut
- seal device
- tightening seal
- lock tightening
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Abstract
A kind of impeller lock tightening seal device, including it is connected to the tight nut of spelling being bonded on pump shaft with impeller nut and the sealing device coordinated with impeller；Annular seal space is formed between described sealing device and impeller nut, the tight nut of spelling and impeller；Stop washer is provided between described impeller nut and the tight nut of spelling；Sealing gasket is provided between described sealing device and impeller；Ensure that impeller nut is not in loosen, good seal performance, and attractive in appearance.
Description
Technical field
Impeller of pump end construction is the utility model is related to, it is good in particular to a kind of good seal performance, structural stability
Impeller lock tightening seal device.
Background technology
Impeller is a building block of water pump, and its performance has a great influence to whole water pump, traditional water pump structure, leaf
Wheel by impeller nut is fixed on pump shaft one end, during due to actual use, in fact it could happen that powers off suddenly and causes medium back flow, draws
The reversion of impeller has been played, impeller nut loosening has easily occurred, medium enters impeller and pump shaft junction, if medium has corrosion
Property, pump shaft will be corroded, together with causing impeller stuck with pump shaft, it is difficult to be dismantled, it is therefore desirable to a kind of sealing
The impeller lock tightening seal device that energy is good, structural stability is good.
The content of the invention
The utility model purpose is to provide the good impeller lock tightening seal device of a kind of good seal performance, structural stability, solution
The above of having determined technical problem.
In order to realize above-mentioned technical purpose, reach above-mentioned technical requirements, technical scheme is used by the utility model：
A kind of impeller lock tightening seal device, it is characterized in that：Including being connected to the tight nut of spelling and and leaf that are bonded on pump shaft with impeller nut
Take turns the sealing device coordinated；Annular seal space is formed between described sealing device and impeller nut, the tight nut of spelling and impeller.
As preferable technical scheme：Stop washer is provided between described impeller nut and the tight nut of spelling.
As preferable technical scheme：Described sealing device includes the first sealing shroud；The first described sealing shroud and leaf
The first sealing gasket is provided between wheel.
As preferable technical scheme：The first described sealing shroud includes arc shell；Described arc shell end is set
It is equipped with the projection for being positioned with impeller.
As preferable technical scheme：Connected mode between the first described sealing shroud and impeller is bolt connection.
As preferable technical scheme：Described sealing device include the second sealing shroud and for connect the second sealing shroud and
The hold-doun nut of impeller.
As preferable technical scheme：Connected mode between described hold-doun nut and the second sealing shroud and impeller is spiral shell
Line connects.
As preferable technical scheme：The second sealing gasket is provided between the second described sealing shroud and impeller.
The beneficial effects of the utility model are：A kind of impeller lock tightening seal device, compared with traditional structure：It is tight to be provided with spelling
Nut, with impeller nut collective effect, ensure that impeller nut is not in loosen；Sealing device is provided with, and forms sealing
Chamber, Global Macros is carried out to spelling tight nut, impeller nut and pump shaft, protect the part in annular seal space, good seal performance, and
It is attractive in appearance.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model first embodiment structural representation；
Fig. 3 is the utility model Fig. 2A to partial enlarged view；
Fig. 4 is the utility model the first sealing shroud sectional view；
Fig. 5 is the utility model second embodiment structural representation；
Fig. 6 is the utility model Fig. 5 B to partial enlarged view；
In figure：1. tight nut, 3. impellers, 4/41. sealing device, 5. annular seal spaces, 6. stop pads are spelled in impeller nut, 2.
Circle, 7. first sealing gaskets, 8. second sealing gaskets, the sealing shrouds of 4-1. first, 4-2. arc shells, 4-3. projections, 41-1. second are close
Big envelope, 41-2. hold-doun nuts.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings；
In the accompanying drawings：A kind of impeller lock tightening seal device, including it is connected to the tight spiral shell of the spelling being bonded on pump shaft with impeller nut 1
Mother 2 and the sealing device 4,41 coordinated with impeller 3；Stop washer 6 is provided between described impeller nut 1 and the tight nut 2 of spelling；
The tight nut 2 of described spelling and the collective effect of impeller nut 1, ensure that impeller nut 1 is not in loosen；Described sealing device
4th, annular seal space 5 is formed between 41 and impeller nut 1, the tight nut 2 of spelling and impeller 3；Described sealing device 4,41 and annular seal space 5,
Global Macros is carried out to spelling tight nut 2, impeller nut 1 and pump shaft, protects the part in annular seal space 5, good seal performance, and
It is attractive in appearance.
In Fig. 2, Fig. 3：Described sealing device 4 includes the first sealing shroud 4-1；The first described sealing shroud 4-1 and leaf
The first sealing gasket 7 is provided between wheel 3；Connected mode between the first described sealing shroud 4-1 and impeller 3 is bolt connection；
The first described sealing gasket 7 ensure that the sealing property between sealing device 4 and impeller 3.
In Fig. 4：The first described sealing shroud 4-1 includes arc shell 4-2；Described arc shell 4-2 end sets
There is the projection 4-3 for being positioned with impeller 3；Described projection 4-3 ensure that the positioning precision between impeller 3.
In Fig. 5, Fig. 6：Described sealing device 41 includes the second sealing shroud 41-1 and for connecting the second sealing shroud 41-
The 1 and hold-doun nut 41-2 of impeller 3；The second sealing gasket 8 is provided between the second described sealing shroud 41-1 and impeller 3, is ensured
Sealing property between sealing device 41 and impeller 3；Described hold-doun nut 41-2 and the second sealing shroud 41-1 and impeller 3 it
Between connected mode be threaded connection, during actual installation, first hold-doun nut 41-2 is threadedly coupled on impeller 3, then by second
Sealing shroud 41-1 is threaded on hold-doun nut 41-2.
Above-described embodiment is only intended to clearly illustrate the description that the utility model is made, and not to the limit of embodiment
It is fixed, to those of ordinary skill in the art, other various forms of changes can also be made on the basis of the above description
Or change, there is no necessity and possibility to exhaust all the enbodiments, and the obvious change thus amplified out
Or among changing still in the scope of protection of the utility model.
Claims (8)
1. a kind of impeller lock tightening seal device, it is characterized in that：Including being connected on pump shaft and impeller nut（1）The tight spiral shell of spelling of fitting
It is female（2）With with impeller（3）The sealing device of cooperation（4、41）；Described sealing device（4、41）With impeller nut（1）, spell tight spiral shell
It is female（2）And impeller（3）Between form annular seal space（5）.
2. a kind of impeller lock tightening seal device according to claim 1, it is characterized in that：Described impeller nut（1）And spelling
Tight nut（2）Between be provided with stop washer（6）.
3. a kind of impeller lock tightening seal device according to claim 1, it is characterized in that：Described sealing device（4）Including
First sealing shroud（4-1）；The first described sealing shroud（4-1）With impeller（3）Between be provided with the first sealing gasket（7）.
4. a kind of impeller lock tightening seal device according to claim 3, it is characterized in that：The first described sealing shroud（4-1）
Including arc shell（4-2）；Described arc shell（4-2）End set, which has, to be used for and impeller（3）The projection of positioning（4-3）.
5. a kind of impeller lock tightening seal device according to claim 3, it is characterized in that：The first described sealing shroud（4-1）
With impeller（3）Between connected mode be bolt connection.
6. a kind of impeller lock tightening seal device according to claim 1, it is characterized in that：Described sealing device（41）Including
Second sealing shroud（41-1）With for connecting the second sealing shroud（41-1）And impeller（3）Hold-doun nut（41-2）.
7. a kind of impeller lock tightening seal device according to claim 6, it is characterized in that：Described hold-doun nut（41-2）With
Second sealing shroud（41-1）And impeller（3）Between connected mode for threaded connection.
8. a kind of impeller lock tightening seal device according to claim 6, it is characterized in that：The second described sealing shroud（41-1）
And impeller（3）Between be provided with the second sealing gasket（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720453178.0U CN206738220U (en) | 2017-04-27 | 2017-04-27 | A kind of impeller lock tightening seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720453178.0U CN206738220U (en) | 2017-04-27 | 2017-04-27 | A kind of impeller lock tightening seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738220U true CN206738220U (en) | 2017-12-12 |
Family
ID=60562323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720453178.0U Active CN206738220U (en) | 2017-04-27 | 2017-04-27 | A kind of impeller lock tightening seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056533A (en) * | 2019-05-21 | 2019-07-26 | 安徽卧龙泵阀股份有限公司 | A kind of impeller of chemical centrifugal pump locking device |
| CN113280001A (en) * | 2021-06-24 | 2021-08-20 | 襄阳五二五泵业有限公司 | Axial flow pump impeller locking device |
-
2017
- 2017-04-27 CN CN201720453178.0U patent/CN206738220U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056533A (en) * | 2019-05-21 | 2019-07-26 | 安徽卧龙泵阀股份有限公司 | A kind of impeller of chemical centrifugal pump locking device |
| CN110056533B (en) * | 2019-05-21 | 2024-04-09 | 安徽卧龙泵阀股份有限公司 | Chemical pump impeller locking device |
| CN113280001A (en) * | 2021-06-24 | 2021-08-20 | 襄阳五二五泵业有限公司 | Axial flow pump impeller locking device |
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| GR01 | Patent grant |