CN203685708U - Centrifugal pump capable of adjusting gap between impeller and pump cover - Google Patents
Centrifugal pump capable of adjusting gap between impeller and pump cover Download PDFInfo
- Publication number
- CN203685708U CN203685708U CN201320805401.5U CN201320805401U CN203685708U CN 203685708 U CN203685708 U CN 203685708U CN 201320805401 U CN201320805401 U CN 201320805401U CN 203685708 U CN203685708 U CN 203685708U
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- China
- Prior art keywords
- pump
- impeller
- pump cover
- cover
- bracket
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- Expired - Fee Related
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Abstract
The utility model relates to a centrifugal pump capable of adjusting a gap between an impeller and a pump cover. The centrifugal pump comprises a pump body, wherein the impeller is mounted in the pump body; a water inlet is formed in one end of the pump body, and the pump cover is arranged at the other end of the pump body; a supporting bracket is mounted on the outer side of the pump cover; intermediate bearings are arranged in the supporting bracket; a bearing pedestal is mounted at the end part of the supporting bracket; end bearings are arranged in the bearing pedestal; a pump shaft is mounted in the supporting bracket through the intermediate bearings and the end bearings, penetrates through the pump cover and is connected with the impeller; the centrifugal pump is characterized in that the bearing pedestal is connected with the supporting bracket through connecting bolts; adjusting bolts are arranged on the bearing pedestal, and are used for propping up the supporting bracket; a filler cavity is formed between the pump cover and the pump shaft; an external flushing channel is formed in the pump cover, one end of the external flushing channel is communicated with the filler cavity, and the other end thereof is communicated with the outside. The centrifugal pump can realize the adjustment of the distance between the impeller and the pump cover, and ensures smooth passing of sundries in the pump body, so as to enable the performance to be stable; the problem about wear of the pump shaft caused by utilizing a medium of the pump body is solved.
Description
Technical field
The utility model relates to a kind of centrifugal pump, and especially a kind of centrifugal pump that can regulate impeller and pump cover gap, belongs to mechanical structure technical field.
Background technique
In prior art, centrifugal pump structure generally as shown in Figure 1, comprises pump housing 1a, pump cover 2a, impeller 3a and pump shaft 4a, and impeller 3a is connected with pump shaft 4a, and impeller 3a is arranged in pump housing 1a.There are following two defects in existing centrifugal pump: the gap between (1) impeller 3a and pump housing 1a is generally fixed, while having in actual applications foreign material to enter in pump housing 1a, if the gap between impeller 3a and pump housing 1a is too little, foreign material cannot be by the gap between impeller 3a and pump housing 1a; (2) the pump cover 2a of centrifugal pump generally adopts from flushing mechanism, as shown in Figure 2, on pump cover 2a, arranges from flushing pipe 5a, is communicated with the inner chamber of pump housing 1a from one end of flushing pipe 5a, and the other end is communicated with packing cavity 6a; Adopting this is that self medium rinses filler 6a from flushing mechanism utilization, because pump housing 1a self medium exists the feature such as particle, viscosity, pump shaft 4a and filler 6a wearing and tearing compare very fast, easily cause the wearing and tearing of pump shaft 4a, reduce the working life of water pump.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of centrifugal pump that can regulate impeller and pump cover gap is provided, solve the adjusting problem in gap between impeller and pump cover, and reduced the wearing and tearing of pump shaft and filler, extended the working life of water pump.
The technological scheme providing according to the utility model, the described centrifugal pump that can regulate impeller and pump cover gap, comprises the pump housing, and impeller is installed in the pump housing, one end of the pump housing is water intake, the other end of the pump housing arranges pump cover, and mounting bracket outside pump cover, arranges intermediate bearing in bracket, the end installation shaft bearing of bracket, end bearing is set in bearing support, in bracket, by intermediate bearing and end bearing, pump shaft is installed, pump shaft is connected with impeller through pump cover; It is characterized in that: described bearing support is connected by connecting bolt with bracket, adjusting bolt is set on bearing support, and adjusting bolt is withstood bracket; Between described pump cover and pump shaft, packing cavity is set, outer irrigation channel is set on pump cover, one end of outer irrigation channel is communicated with packing cavity, and the other end of outer irrigation channel is communicated with outside.
The utility model can be realized the distance between impeller and pump cover, ensures passing through smoothly of foreign material in the pump housing, makes the stable performance of centrifugal pump; And the utility model has avoided utilizing the problem of the pump shaft wearing and tearing that the pump housing self medium causes, extend the working life of water pump.
Brief description of the drawings
Fig. 1 is the structural representation of centrifugal pump in prior art.
Fig. 2 is the structural representation of centrifugal pump cover in prior art.
Fig. 3 is structural representation of the present utility model.
Embodiment
Below in conjunction with concrete accompanying drawing, the utility model is described in further detail.
As shown in Figure 3: the described centrifugal pump that can regulate impeller and pump cover gap comprises the pump housing 1, impeller 2, water intake 3, pump cover 4, bracket 5, intermediate bearing 6, bearing support 7, end bearing 8, pump shaft 9, connecting bolt 10, adjusting bolt 11, packing cavity 12, outer irrigation channel 13 etc.
As shown in Figure 3, the utility model comprises the pump housing 1, impeller 2 is installed in the pump housing 1, and one end of the pump housing 1 is water intake 3, and the other end of the pump housing 1 is provided with pump cover 4, pump cover 4 outside mounting brackets 5, intermediate bearing 6 is set in bracket 5, and the end installation shaft bearing 7 of bracket 5, arranges end bearing 8 in bearing support 7, in bracket 5, by intermediate bearing 6 and end bearing 8, pump shaft 9 is installed, pump shaft 9 is connected with impeller 2 through pump cover 4;
Described bearing support 7 is connected by connecting bolt 10 with bracket 5, and adjusting bolt 11 is set on bearing support 7, and adjusting bolt 11 is withstood bracket 5; In use, can be by tightening or unscrewing adjusting bolt 11, thus the distance between the relative pump cover 4 of adjusting axle bearing 7, thus drive pump shaft 9 end impellers 2 to regulate the distance between impeller 2 and pump cover 4;
Between described pump cover 1 and pump shaft 9, packing cavity 12 is set, outer irrigation channel 13 is set on pump cover 1, one end of outer irrigation channel 13 is communicated with packing cavity 12, and the other end of outer irrigation channel 13 is communicated with outside.
The utility model in use, by tightening or unscrewing adjusting bolt 11, the distance between can the relative pump cover 4 of adjusting axle bearing 7, thereby drive pump shaft 9 end impellers 2 to regulate the distance between impeller 2 and pump cover 4.The outer end of the outer irrigation channel 13 on described pump cover 4 is connected with external adapter, by external sparge water, filler is rinsed.The utility model can be realized the distance between impeller 2 and pump cover 4, ensures passing through smoothly of foreign material in the pump housing, makes the stable performance of centrifugal pump; And the utility model has avoided utilizing the problem of the pump shaft wearing and tearing that the pump housing self medium causes, extend the working life of water pump.
Claims (1)
1. one kind can regulate the centrifugal pump in impeller and pump cover gap, comprise the pump housing (1), impeller (2) is installed in the pump housing (1), one end of the pump housing (1) is water intake (3), the other end of the pump housing (1) arranges pump cover (4), pump cover (4) outside mounting bracket (5), intermediate bearing (6) is set in bracket (5), the end installation shaft bearing (7) of bracket (5), end bearing (8) is set in bearing support (7), in bracket (5), by intermediate bearing (6) and end bearing (8), pump shaft (9) is installed, pump shaft (9) is connected with impeller (2) through pump cover (4), it is characterized in that: described bearing support (7) is connected by connecting bolt (10) with bracket (5), and adjusting bolt (11) is set on bearing support (7), and adjusting bolt (11) is withstood bracket (5), between described pump cover (1) and pump shaft (9), packing cavity (12) is set, outer irrigation channel (13) is set on pump cover (1), one end of outer irrigation channel (13) is communicated with packing cavity (12), and the other end of outer irrigation channel (13) is communicated with outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805401.5U CN203685708U (en) | 2013-12-09 | 2013-12-09 | Centrifugal pump capable of adjusting gap between impeller and pump cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805401.5U CN203685708U (en) | 2013-12-09 | 2013-12-09 | Centrifugal pump capable of adjusting gap between impeller and pump cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685708U true CN203685708U (en) | 2014-07-02 |
Family
ID=51007616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805401.5U Expired - Fee Related CN203685708U (en) | 2013-12-09 | 2013-12-09 | Centrifugal pump capable of adjusting gap between impeller and pump cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671287A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Centrifugal pump capable of adjusting gap between impeller and pump cover |
-
2013
- 2013-12-09 CN CN201320805401.5U patent/CN203685708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671287A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Centrifugal pump capable of adjusting gap between impeller and pump cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20211209 |