CN203856755U - Submersible sewage pump - Google Patents
Submersible sewage pump Download PDFInfo
- Publication number
- CN203856755U CN203856755U CN201420308702.1U CN201420308702U CN203856755U CN 203856755 U CN203856755 U CN 203856755U CN 201420308702 U CN201420308702 U CN 201420308702U CN 203856755 U CN203856755 U CN 203856755U
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- CN
- China
- Prior art keywords
- pump
- impeller
- shaft
- fixedly connected
- bearing
- 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 mechanical engineering pumps, in particular to a submersible sewage pump which comprises a pump body, an impeller, a motor, a pump shaft, a rear pump cover, a side board, a connecting seat, a bearing gland, a bearing, a mechanical seal and a horn pipe, wherein the impeller is arranged in the inner cavity of the pump body; the lower end of the pump body is fixedly connected with the horn pipe; the upper end of the pump body is fixedly connected with the rear pump cover; the lower end of the connecting seat is fixedly connected with the rear pump cover; the upper end of the connecting seat is fixedly connected with the motor; the output end of the motor shaft is connected with the pump shaft; the pump shaft penetrates through the connecting seat and the rear pump cover along the bearing gland, the bearing and the mechanical seal and is fixedly connected with the impeller in the inner cavity of the pump body. The submersible sewage pump is characterized in that the impeller mounting shaft segment of the pump shaft is a tapered shaft segment; the inner hole of the impeller is a tapered through hole; as the tapered through hole of the impeller and the tapered shaft segment of the pump shaft are in tight fit and fixedly connected through buttons, the clearance between the impeller and the pump shaft is effectively eliminated; the submersible sewage pump has the advantages that the structure is reasonable, the manufacturing, disassembly and maintenance are convenient and the impeller is prevented from deflecting and the like.
Description
Technical field
The utility model relates to mechanical engineering pump technical field, specifically a kind of proof submersible sand discharging pump.
Background technique
As everyone knows, proof submersible sand discharging pump is by the pump housing, impeller, motor, pump shaft, rear pump cover, side plate, connecting base, bearing gland, bearing, mechanical seal and oviduct composition, be provided with impeller in the inner chamber of the pump housing, and pump housing lower end is fixedly connected with oviduct, upper end is fixedly connected with rear pump cover, and connecting base lower end is fixedly connected with rear pump cover, and upper end is fixedly connected with motor, motor shaft output terminal connects pump shaft, and pump shaft is through bearing gland, bearing and mechanical seal are through connecting base, rear pump cover is fixedly connected with the impeller of pump housing inner chamber with side plate, so that pump shaft impeller rotation, the linkage structure of this pump shaft and impeller is the cylindrical shaft part of pump shaft shaft part normally, the cylindrical through hole of endoporus of impeller, make impeller set on pump shaft shaft part, it is Spielpassung that impeller is installed coordinating of shaft part with pump shaft impeller, be fixedly connected with through key again, for convenience detach, its deficiency is: because this cooperation itself is a kind of Spielpassung, add manufacture deviation, in the time that pump shaft impeller is rotated, easily there is beat phenomenon in impeller, thereby has influence on the vibration of unit, produces noise.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and a kind of rational in infrastructure, easy to make, convenient disassembly, easy to maintenance, the proof submersible sand discharging pump that prevents impeller beat are provided.
The utility model solves the technological scheme that its technical problem adopts:
A kind of proof submersible sand discharging pump, be provided with the pump housing, impeller, motor, pump shaft, rear pump cover, side plate, connecting base, bearing gland, bearing, mechanical seal and oviduct, in the inner chamber of the pump housing, be provided with impeller, pump housing lower end is fixedly connected with oviduct, upper end is fixedly connected with rear pump cover, connecting base lower end is fixedly connected with rear pump cover, upper end is fixedly connected with motor, motor shaft output terminal connects pump shaft, pump shaft is through bearing gland, bearing and mechanical seal are through connecting base, rear pump cover is fixedly connected with the impeller of pump housing inner chamber with side plate, the impeller installation shaft part that it is characterized in that described pump shaft is taper shaft part, the endoporus of described impeller is conical through-hole, the taper shaft part drive fit of the conical through-hole of impeller and pump shaft, and be fixedly connected with through key, effectively eliminate the gap between impeller and pump shaft, prevent that impeller from producing beat phenomenon, thereby effectively reduce the vibration of water pump assembly.And then reduced the rate of fault of unit, and easy to maintenance, effectively reduce maintenance cost.
The utility model is owing to adopting said structure, have rational in infrastructure, easy to make, convenient disassembly, easy to maintenance, prevent the advantages such as impeller beat.
brief description of the drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present utility model.
Reference character: the pump housing 1, impeller 2, rear pump cover 3, side plate 4, connecting base 5, bearing gland 6, bearing 7, mechanical seal 8, oviduct 9, pump shaft 10, taper shaft part 11, conical through-hole 12.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in drawings, a kind of proof submersible sand discharging pump, is provided with the pump housing 1, impeller 2, motor, pump shaft 10, rear pump cover 3, side plate 4, connecting base 5, bearing gland 6, bearing 7, mechanical seal 8 and oviduct 9, in the inner chamber of the pump housing 1, be provided with impeller 2, the pump housing 1 lower end is fixedly connected with oviduct 9, upper end is fixedly connected with rear pump cover 3, connecting base 5 lower ends are fixedly connected with rear pump cover 3, upper end is fixedly connected with motor, and motor shaft output terminal connects pump shaft 10, and pump shaft 10 is through bearing gland 6, bearing 7 and mechanical seal 8 are through connecting base 5, rear pump cover 3 is fixedly connected with the impeller 2 of the pump housing 1 inner chamber with side plate 4, the impeller installation shaft part that it is characterized in that described pump shaft 10 is taper shaft part 11, the endoporus of described impeller 2 is conical through-hole 12, the conical through-hole 12 of impeller 2 and taper shaft part 11 drive fits of pump shaft 10, and be fixedly connected with through key, effectively eliminate the gap between impeller 2 and pump shaft 10, prevent that impeller 2 from producing beat phenomenon, thereby effectively reduce the vibration of water pump assembly, and then reduced the rate of fault of unit, and easy to maintenance, effectively reduce maintenance cost, the utility model, owing to adopting said structure, has rational in infrastructure, easy to make, convenient disassembly, easy to maintenance, prevent the advantages such as impeller beat.
Claims (1)
1. a proof submersible sand discharging pump, be provided with the pump housing, impeller, motor, pump shaft, rear pump cover, side plate, connecting base, bearing gland, bearing, mechanical seal and oviduct, in the inner chamber of the pump housing, be provided with impeller, pump housing lower end is fixedly connected with oviduct, upper end is fixedly connected with rear pump cover, connecting base lower end is fixedly connected with rear pump cover, upper end is fixedly connected with motor, motor shaft output terminal connects pump shaft, pump shaft is through bearing gland, bearing and mechanical seal are through connecting base, rear pump cover is fixedly connected with the impeller of pump housing inner chamber with side plate, the impeller installation shaft part that it is characterized in that described pump shaft is taper shaft part, the endoporus of described impeller is conical through-hole, the taper shaft part drive fit of the conical through-hole of impeller and pump shaft, and be fixedly connected with through key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308702.1U CN203856755U (en) | 2014-06-11 | 2014-06-11 | Submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308702.1U CN203856755U (en) | 2014-06-11 | 2014-06-11 | Submersible sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856755U true CN203856755U (en) | 2014-10-01 |
Family
ID=51606609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308702.1U Expired - Fee Related CN203856755U (en) | 2014-06-11 | 2014-06-11 | Submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644122A (en) * | 2018-04-11 | 2018-10-12 | 曹珠明 | Novel sewage pump |
| WO2018214184A1 (en) * | 2017-05-23 | 2018-11-29 | 苏州优德通力科技有限公司 | Cooling oil-free anti-blocking light sewage pump |
-
2014
- 2014-06-11 CN CN201420308702.1U patent/CN203856755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214184A1 (en) * | 2017-05-23 | 2018-11-29 | 苏州优德通力科技有限公司 | Cooling oil-free anti-blocking light sewage pump |
| CN108644122A (en) * | 2018-04-11 | 2018-10-12 | 曹珠明 | Novel sewage pump |
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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: 20141001 Termination date: 20180611 |