CN103133400A - Novel non-leakage double-suction impeller - Google Patents
Novel non-leakage double-suction impeller Download PDFInfo
- Publication number
- CN103133400A CN103133400A CN2011103735186A CN201110373518A CN103133400A CN 103133400 A CN103133400 A CN 103133400A CN 2011103735186 A CN2011103735186 A CN 2011103735186A CN 201110373518 A CN201110373518 A CN 201110373518A CN 103133400 A CN103133400 A CN 103133400A
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- impeller
- cover plate
- side cover
- ring
- pump housing
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Abstract
The invention relates to a novel non-leakage double-suction impeller which comprises an impeller side cover plate, blades, an impeller hub and a pump body. The novel non-leakage double-suction impeller is characterized in that a fixed ring which is embedded and sleeved in the pump body, a movable ring which is sleeved on the impeller side cover plate, a spring and a rotating body which is fixed on the impeller side cover plate are arranged between the impeller front cover plate and the pump body in sequence, the spring is arranged along the axial direction, and the pump body, the fixed ring, the movable ring and the rotating body are enabled to tightly match with each other, a pump body sealing ring is arranged between the fixed ring and the pump body, and an impeller sealing ring is arranged between the movable ring and the impeller front cover plate. The novel non-leakage double suction impeller has the advantages of enabling leakage loss of an impeller to be zero, enabling volume efficiency of a pump to be 100 percent, greatly improving efficiency of the whole double suction single suction pump and possessing good energy-saving effect.
Description
Technical field
The present invention relates to submersible axial flow pump and submersible mixed-flow pump field, particularly a kind of Leakless double-entry impeller.
Background technique
At present, existing double-entry impeller as Fig. 1, mainly is comprised of impeller side cover plate 2, blade 3, impeller hub 4.Because the mode that stops leak of liquid between impeller side cover plate 2 and the pump housing 1 is to adopt little clearance seal, there is following shortcoming in it: the volumetric loss that causes is larger, according to statistics, because leakage rate is larger, causes the volumetric efficiency of single entry pump to only have 90% left and right.
Summary of the invention
The present invention seeks to overcome many deficiency factors of prior art, proposed a kind of Leakless double-entry impeller.
The present invention is achieved in that a kind of Leakless double-entry impeller, comprise: impeller side cover plate, blade, impeller hub, the pump housing, it is characterized in that: be to be nested in stationary ring in the pump housing, to be sheathed on rotating ring, spring on the impeller side cover plate, to be fixed on the solid of rotation on the impeller side cover plate vertically successively between described impeller side cover plate and the pump housing, this spring shaft is to setting, make the pump housing, stationary ring, rotating ring and solid of rotation become drive fit, be provided with pump housing seal ring between stationary ring and the pump housing, be provided with impeller sealing ring between rotating ring and impeller side cover plate.
Preferably, the end face that described stationary ring is relative with the pump housing is provided with the circular groove for described pump housing seal ring installing.
Preferably, the end face that described rotating ring is relative with the impeller side cover plate is provided with the circular groove for described impeller sealing ring installing.
Preferably, described solid of rotation by screw fastening on the impeller side cover plate.
Advantage of the present invention: the leakage loss that makes impeller is zero, and the volumetric efficiency of pump reaches 100%, greatly improves the efficient of whole double suction single entry pump, plays good energy-saving effect.
Description of drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present invention.
Fig. 3 is enlarged diagram of the present invention.
Below in conjunction with drawings and Examples, the present invention is elaborated.
Embodiment
in figure, a kind of Leakless double-entry impeller, comprise: impeller side cover plate 2, blade 3, impeller hub 4, the pump housing 1, it is characterized in that: be that stationary ring 6(offers the seam of placing for stationary ring vertically successively between described impeller side cover plate and the pump housing 1 on the pump housing, stationary ring is embedded in this seam), rotating ring 7(moving ring sleeve is located at the front portion of impeller side cover plate, the internal diameter of rotating ring is slightly larger than the external diameter of impeller side cover plate), spring 9(does not contact with the impeller side cover plate), be fixed on the solid of rotation 11 on the impeller side cover plate, this spring shaft is to setting, due to the axial force that has spring to two ends, make the pump housing, stationary ring, rotating ring becomes drive fit with solid of rotation, be provided with pump housing seal ring 5 between stationary ring and the pump housing, be provided with impeller sealing ring 8 between rotating ring and impeller side cover plate.
The end face that described stationary ring is relative with the pump housing is provided with the circular groove for described pump housing seal ring installing.
The end face that described rotating ring is relative with the impeller side cover plate is provided with the circular groove for described impeller sealing ring installing.
Described solid of rotation is fastened on the impeller side cover plate by screw 10.
This structure adopts the seal form of contact-type, and pump housing seal ring effectively prevents liquid from the leakage of the pump housing and stationary ring, and impeller sealing ring effectively prevents the leakage at driven torus and impeller side cover plate place.
During use, impeller shaft impeller rotation suction, sealing due to above-mentioned two seal rings, water can only pass through from impeller inside, can not flow out in the gap of impeller and the pump housing, the leakage loss that makes impeller is zero, and the volumetric efficiency of pump reaches 100%, greatly improve the efficient of whole single entry pump, play good energy-saving effect.
Below only expressed embodiments of the present invention, it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (4)
1. Leakless double-entry impeller, comprise: impeller side cover plate, blade, impeller hub, the pump housing, it is characterized in that: be to be nested in stationary ring in the pump housing, to be sheathed on rotating ring, spring on the impeller side cover plate, to be fixed on the solid of rotation on the impeller side cover plate vertically successively between described impeller side cover plate and the pump housing, this spring shaft is to setting, make the pump housing, stationary ring, rotating ring and solid of rotation become drive fit, be provided with pump housing seal ring between stationary ring and the pump housing, be provided with impeller sealing ring between rotating ring and impeller side cover plate.
2. a kind of Leakless double-entry impeller according to claim 1 is characterized in that: the end face that described stationary ring is relative with the pump housing is provided with the circular groove for described pump housing seal ring installing.
3. a kind of Leakless double-entry impeller according to claim 1 is characterized in that: the end face that described rotating ring is relative with the impeller side cover plate is provided with the circular groove for described impeller sealing ring installing.
4. a kind of Leakless double-entry impeller according to claim 1 is characterized in that: described solid of rotation by screw fastening on the impeller side cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103735186A CN103133400A (en) | 2011-11-22 | 2011-11-22 | Novel non-leakage double-suction impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103735186A CN103133400A (en) | 2011-11-22 | 2011-11-22 | Novel non-leakage double-suction impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103133400A true CN103133400A (en) | 2013-06-05 |
Family
ID=48493689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103735186A Pending CN103133400A (en) | 2011-11-22 | 2011-11-22 | Novel non-leakage double-suction impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103133400A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738311A (en) * | 2022-05-27 | 2022-07-12 | 江苏大学 | Non-leakage centrifugal pump |
| CN114738311B (en) * | 2022-05-27 | 2024-06-07 | 江苏大学 | Leakless centrifugal pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201155484Y (en) * | 2007-12-21 | 2008-11-26 | 锦州市劲弓泵业有限责任公司 | Centrifugal-pump impeller and port ring seal device |
| CN101892989A (en) * | 2010-06-13 | 2010-11-24 | 西安航天泵业有限公司 | High-pressure double suction pump |
| CN201896756U (en) * | 2010-11-23 | 2011-07-13 | 安徽省天马泵阀集团有限公司 | Dual-suction centrifugal pump |
-
2011
- 2011-11-22 CN CN2011103735186A patent/CN103133400A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201155484Y (en) * | 2007-12-21 | 2008-11-26 | 锦州市劲弓泵业有限责任公司 | Centrifugal-pump impeller and port ring seal device |
| CN101892989A (en) * | 2010-06-13 | 2010-11-24 | 西安航天泵业有限公司 | High-pressure double suction pump |
| CN201896756U (en) * | 2010-11-23 | 2011-07-13 | 安徽省天马泵阀集团有限公司 | Dual-suction centrifugal pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738311A (en) * | 2022-05-27 | 2022-07-12 | 江苏大学 | Non-leakage centrifugal pump |
| CN114738311B (en) * | 2022-05-27 | 2024-06-07 | 江苏大学 | Leakless centrifugal pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |