CN103133401A - Novel non-leakage single-stage impeller - Google Patents
Novel non-leakage single-stage impeller Download PDFInfo
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- CN103133401A CN103133401A CN 201110373535 CN201110373535A CN103133401A CN 103133401 A CN103133401 A CN 103133401A CN 201110373535 CN201110373535 CN 201110373535 CN 201110373535 A CN201110373535 A CN 201110373535A CN 103133401 A CN103133401 A CN 103133401A
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- impeller
- ring
- pump housing
- front shroud
- stage
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Abstract
The invention relates to a novel non-leakage single-stage impeller which comprises an impeller front cover plate, blades, an impeller back cover plate, an impeller hub and a pump body. The novel non-leakage single-stage 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 front cover plate, a spring, a rotating body which is fixed on the impeller front cover plate are arranged between the impeller front cover plate and the pump body in sequence along the axial direction, 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 single-stage 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 single-stage 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 single-stage impeller.
Background technique
At present, existing single-stage impeller as Fig. 1, mainly is comprised of front shroud of impeller 1, blade 2, back shroud of impeller 3, impeller hub 4.Because the mode that stops leak of liquid between front shroud of impeller 1 and the pump housing 5 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 single-stage impeller.
The present invention is achieved in that a kind of Leakless single-stage impeller, comprise: front shroud of impeller, blade, back shroud of impeller, 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 front shroud of impeller, to be fixed on the solid of rotation on front shroud of impeller vertically successively between described front shroud of impeller 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 front shroud of impeller.
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 front shroud of impeller is provided with the circular groove for described impeller sealing ring installing.
Preferably, described solid of rotation by screw fastening on front shroud of impeller.
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 single-stage single suction 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 single-stage impeller, comprise: front shroud of impeller 1, blade 2, back shroud of impeller 3, impeller hub 4, the pump housing 5, it is characterized in that: be that stationary ring 7(offers the seam of placing for stationary ring vertically successively between described front shroud of impeller and the pump housing on the pump housing, stationary ring is embedded in this seam), rotating ring 8(moving ring sleeve is located at the front portion of front shroud of impeller, the internal diameter of rotating ring is slightly larger than the external diameter of front shroud of impeller), spring 10(does not contact with front shroud of impeller), be fixed on the solid of rotation 12 on front shroud of impeller, 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 6 between stationary ring and the pump housing, be provided with impeller sealing ring 9 between rotating ring and front shroud of impeller.
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 front shroud of impeller is provided with the circular groove for described impeller sealing ring installing.
Described solid of rotation is fastened on front shroud of impeller by screw 11.
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 front shroud of impeller 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 single-stage impeller, comprise: front shroud of impeller, blade, back shroud of impeller, 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 front shroud of impeller, to be fixed on the solid of rotation on front shroud of impeller vertically successively between described front shroud of impeller 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 front shroud of impeller.
2. a kind of Leakless single-stage 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 single-stage impeller according to claim 1 is characterized in that: the end face that described rotating ring is relative with front shroud of impeller is provided with the circular groove for described impeller sealing ring installing.
4. a kind of Leakless single-stage impeller according to claim 1 is characterized in that: described solid of rotation by screw fastening on front shroud of impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373535 CN103133401A (en) | 2011-11-22 | 2011-11-22 | Novel non-leakage single-stage impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373535 CN103133401A (en) | 2011-11-22 | 2011-11-22 | Novel non-leakage single-stage impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103133401A true CN103133401A (en) | 2013-06-05 |
Family
ID=48493690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110373535 Pending CN103133401A (en) | 2011-11-22 | 2011-11-22 | Novel non-leakage single-stage impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103133401A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322269A (en) * | 2019-12-31 | 2020-06-23 | 洛阳虹瑞节能科技有限公司 | Mechanical seal mouth ring for lubricating grease of centrifugal pump |
| CN114738311A (en) * | 2022-05-27 | 2022-07-12 | 江苏大学 | Non-leakage centrifugal pump |
-
2011
- 2011-11-22 CN CN 201110373535 patent/CN103133401A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322269A (en) * | 2019-12-31 | 2020-06-23 | 洛阳虹瑞节能科技有限公司 | Mechanical seal mouth ring for lubricating grease of centrifugal pump |
| 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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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |