CN201246328Y - Double-sucking centrifugal pump - Google Patents
Double-sucking centrifugal pump Download PDFInfo
- Publication number
- CN201246328Y CN201246328Y CNU2008201856989U CN200820185698U CN201246328Y CN 201246328 Y CN201246328 Y CN 201246328Y CN U2008201856989 U CNU2008201856989 U CN U2008201856989U CN 200820185698 U CN200820185698 U CN 200820185698U CN 201246328 Y CN201246328 Y CN 201246328Y
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- CN
- China
- Prior art keywords
- pump
- impeller
- double
- pump cover
- cover
- 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)
Abstract
The utility model relates to the technical field of pumps, in particular to a double-suction centrifugal pump with good sealing performance. The double-suction centrifugal pump comprises a pump body, a pump cover, an impeller and a sealing body, wherein the impeller is arranged in a pump casing consisting of the pump body and the pump cover; the sealing body is arranged in the matching positions of the pump body, the pump cover and the impeller; the sealing body includes a filling cup and a fill-type sealer; a sealing cavity is arranged at the connection joint of the pump body, the pump cover and the impeller; the fill-type sealer is arranged in the sealing cavity; and the filling cup communicated with the fill-type sealer is arranged on the pump cover for compensating for the fill-type sealer at any time. The double-suction centrifugal pump has the advantages of no leakage, no abrasion and improved pump efficiency.
Description
Technical field
The utility model relates to the technical field of pump, especially a kind of double-suction centrifugal pump of good airproof performance.
Background technique
The conventional at present sealing of double-suction centrifugal pump in the cooperation place of the pump housing and pump cover is the form that adopts seal ring, its shortcoming is owing to have the gap between impeller and the seal ring, liquid is revealed to low pressure area from the zone of high pressure, the liquid of Gao Shu produces wearing and tearing to impeller and seal ring simultaneously, impeller and seal ring are easily damaged parts, need often to change.Leak owing to exist, so the decrease in efficiency of pump, wearing and tearing also can cause the gap progressively to be strengthened, and efficient is more and more lower.Overhaul life is short, poor reliability, and must shut down after the bad seals and repair.
The model utility content
The technical problems to be solved in the utility model is: for the double-suction centrifugal pump that overcomes present routine exists above-mentioned shortcoming with not enough, the utility model provides a kind of simple in structure, easy care, nothing to leak, do not have the double-suction centrifugal pump of wearing and tearing, no seal ring.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of double-suction centrifugal pump, have the pump housing, pump cover, impeller and seal, impeller is installed in the pump case of the pump housing and pump cover composition, the cooperation place of the pump housing and pump cover and impeller is provided with seal, seal comprises fills cup and filled type sealing, the joint of the pump housing and pump cover and impeller is provided with Seal cage, the filled type sealing is housed in the Seal cage, the filling cup that is communicated with the filled type sealing is housed on the pump cover, can replenish the filled type sealing at any time, make it not have leakage, not have wearing and tearing, the efficient of pump is provided.
The beneficial effects of the utility model are, double-suction centrifugal pump of the present utility model, and wearing and tearing are leaked, do not had to simple in structure, easy care, nothing, improved the efficient of pump, the physical life of the impeller of prolongation, no easily damaged parts seal ring, prolong the overhaul life of pump, improved reliability.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the overall structure schematic representation of the utility model double-suction centrifugal pump.
1. pump housings among the figure, cup, 4. pump cover, 5. impeller are 3. filled in 2. filled type sealing.
Embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now.These accompanying drawings are structural representation of the present utility model, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
The double-suction centrifugal pump of best real-time mode as shown in Figure 1, have the pump housing 1, pump cover 4, impeller 5 and seal, impeller 5 is installed in the pump case of the pump housing 1 and pump cover 4 compositions, the pump housing 1 and pump cover 4 are provided with seal with the cooperation place of impeller 5, seal comprises fills cup 3 and filled type sealing 2, the pump housing 1 and pump cover 4 are provided with Seal cage with the joint of impeller 5, filled type sealing 2 is housed in the Seal cage, be equipped with on the pump cover 4 and the filled type sealing 2 filling cups 3 that are communicated with, can replenish filled type sealing 2 at any time, make it not have leakage, not have wearing and tearing, the efficient of pump is provided.
When the utility model was implemented, liquid entered in the pump case, through impeller 5, impeller 5 rotates the pressure that has strengthened liquid, from pump, flow out then, liquid in pump the time because filled type sealing 2 makes it not have leaks, when the sealing of filled type sealing 2 is not compact, can inwardly fill by filling cup 3, just make sealing compact, improve the efficient of pump, prolonged the working life of impeller, owing to no easily damaged parts seal ring, prolonged the overhaul life of pump, improved its reliability.
Above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this model utility technological thought.The technical scope of this model utility is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (1)
1. double-suction centrifugal pump, have the pump housing (1), pump cover (4), impeller (5) and seal, impeller (5) is installed in the pump case of the pump housing (1) and pump cover (4) composition, the pump housing (1) and pump cover (4) are provided with seal with the cooperation place of impeller (5), it is characterized in that: seal comprises fills cup (3) and filled type sealing (2), the pump housing (1) and pump cover (4) are provided with Seal cage with the joint of impeller (5), the filled type sealing is housed in the Seal cage, the filling cup (3) that is communicated with filled type sealing (2) is housed on the pump cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201856989U CN201246328Y (en) | 2008-09-12 | 2008-09-12 | Double-sucking centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201856989U CN201246328Y (en) | 2008-09-12 | 2008-09-12 | Double-sucking centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246328Y true CN201246328Y (en) | 2009-05-27 |
Family
ID=40730150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201856989U Expired - Fee Related CN201246328Y (en) | 2008-09-12 | 2008-09-12 | Double-sucking centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246328Y (en) |
-
2008
- 2008-09-12 CN CNU2008201856989U patent/CN201246328Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20120912 |