CN201982293U - Impeller-type sea water pump with elastic rubber impeller - Google Patents
Impeller-type sea water pump with elastic rubber impeller Download PDFInfo
- Publication number
- CN201982293U CN201982293U CN2011200519299U CN201120051929U CN201982293U CN 201982293 U CN201982293 U CN 201982293U CN 2011200519299 U CN2011200519299 U CN 2011200519299U CN 201120051929 U CN201120051929 U CN 201120051929U CN 201982293 U CN201982293 U CN 201982293U
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- impeller
- water
- pump housing
- pump body
- rubber impeller
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Abstract
The utility model provides an impeller-type sea water pump with an elastic rubber impeller, which comprises a pump body, a drive shaft, a crescent ring and the rubber impeller. The pump body is a copper component; the drive shaft is arranged at the centerline of the pump body; two bearings for supporting the drive shaft are arranged in a drive cavity at the front end of the pump body; a working cavity at the rear end of the pump body is separated from the drive cavity by using water seal; the rubber impeller with a plurality of blades is arranged in a cylindrical working cavity at the rear end of the pump body; the rubber impeller and the drive shaft are fixed on the drive shaft in a fit way by a flat key and can rotate together with the drive shaft; the plurality of rhombic blades of the rubber impeller are in a radial shape; a water inlet and a water outlet communicated with the working cavity are respectively arranged at one side of the working cavity; and the crescent ring is fixed on the inner wall of the working cavity at one side of the water inlet and the water outlet. Through an impeller-type structure adopting the rubber impeller and the copper pump body, the marine sea water pump fulfills the purposes of reducing volume, lightening weight, decreasing cost, improving sea water corrosion resistance capacity and prolonging service life.
Description
Technical field
The utility model relates to a kind of water pump, specifically is meant to be used for extracting seawater the impeller type sea water pump of a kind of elastic caoutchouc impeller of cooling marine diesel engine.
Background technique
Sea water pump is a kind of water pump of extracting seawater cooling marine diesel engine, the sea water pump of prior art is the Centrifugal water pump of the copper centrifugal wheel of a kind of rigidity, cast iron matter pump body structure, this Centrifugal water pump exists that volume is big, Heavy Weight, cost height, the problems and shortcomings that cast iron matter pump housing seawater corrosion resistance is poor, working life is short.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the utility model adopts radially, the rubber impeller of the how stupefied shape of cylinder, spring leaf is contained in the active chamber of copper pump housing cylinder tube shape, side at the work internal chamber wall of pump housing cylinder tube shape fixedly installs a crescent moon ring, it is oblate that the work inner chamber of making is, during rubber impeller rotary work, when crescent moon ring one side is left in the blade rotation of impeller, blade is stretched out, volume increases between the blade, produce negative pressure, water sucks active chamber from the water inlet; When the blade of impeller rotates into crescent moon ring one side, bending blade, volume reduces between the blade, produce malleation, the technological scheme that water is extruded from active chamber, a kind of impeller type sea water pump of elastic caoutchouc impeller is provided, is intended to make sea water pump peculiar to vessel reach the purpose that reduces volume, weight reduction, reduces cost, improves the seawater corrosion resistance ability, increases the service life by adopting the impeller type structure of rubber impeller, the copper pump housing.
The purpose of this utility model is achieved in that a kind of impeller type sea water pump of elastic caoutchouc impeller, comprise the pump housing, transmission shaft, the crescent moon ring, the rubber impeller, the described pump housing is copper member, transmission shaft places the centerline of the pump housing, be provided with two bearings that are used for supporting drive shaft in the pump housing front end drive cavity, the active chamber of pump housing rear end and the packing of drive cavity water are opened, to prevent that the water in the active chamber from spilling, a rubber impeller that has several blades is arranged in the cylindrical active chamber in pump housing rear end, the rubber impeller cooperates by flat key with transmission shaft and is fixed on the transmission shaft, can rotate with transmission shaft, the stupefied shape blade of several of rubber impeller radially; Active chamber one side respectively is provided with a water intake and water outlet that communicates with active chamber; On the active chamber inwall of water intake and water outlet one side, be fixed with a crescent moon ring;
Working principle
When the rubber impeller rotates in the active chamber of the pump housing, because active chamber is fixed with a crescent moon ring on the inwall of water intake and water outlet one side, the rotation of rubber impeller, when crescent moon ring one side is left in the blade rotation, blade is stretched out, volume increases between the blade, and pressure reduces to produce negative pressure, and water sucks active chamber from the water inlet; When blade rotates into crescent moon ring one side, bending blade, volume reduces between the blade, produces malleation, and water is extruded from active chamber; In rubber impeller rotary course, each blade is stretched out successively and is crooked, finishes the pump water conservancy project with this and does.
Above-mentioned, the utility model adopts radially, the rubber impeller of the how stupefied shape of cylinder, spring leaf is contained in the work inner chamber of copper pump housing cylinder tube shape, side at the active chamber inwall of pump housing cylinder tube shape fixedly installs a crescent moon ring, makes active chamber be oblate; During rubber impeller rotary work, when crescent moon ring one side was left in the blade rotation of impeller, blade was stretched out, and volume increases between the blade, produces negative pressure, and water sucks active chamber from the water inlet; When the blade of impeller rotates into crescent moon ring one side, bending blade, volume reduces between the blade, produce malleation, the technological scheme that water is extruded from active chamber, having overcome the prior art Centrifugal water pump exists volume big, Heavy Weight, the cost height, cast iron matter pump housing seawater corrosion resistance is poor, the problems and shortcomings that working life is short, the impeller type sea water pump of a kind of elastic caoutchouc impeller that is provided, by adopting the rubber impeller, the impeller type structure of the copper pump housing has reached sea water pump peculiar to vessel and reduces volume, weight reduction, reduce cost, improve the seawater corrosion resistance ability, the purpose that increases the service life.
Description of drawings
Fig. 1 is the impeller type seawater pump structure cross-sectional schematic of a kind of elastic caoutchouc impeller of the present utility model;
Fig. 2 is the working principle schematic representation of the impeller type sea water pump of a kind of elastic caoutchouc impeller of the present utility model;
Fig. 3 is the left view of Fig. 1.
Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
Among the figure: nut 1, second compression spring 2, second flat gasket 3, woodruff key 4, transmission shaft 5, pad 6, second bolt 7, first compression spring 8, the 3rd flat gasket 9, water seal 10, the pump housing 11, adjust pad 12, rubber impeller 13, flat key 14, water pipe pad 15, second O-ring seals 16, the 3rd bolt 17, impeller bonnet 18, back shroud 19, lubricating cup 20, crescent moon ring 21, first O-ring seals 22, first flat gasket 23, first bolt 24, shaft block ring 25, pump housing backing plate 26, straight pin 27, single-row ball-bearing 28, lining 29, two-row ball bearing 30, water intake 31, water outlet 32, spillway hole 33, active chamber 01, drive cavity 02.
Embodiment
Consult Fig. 1～Fig. 3, the impeller type sea water pump of a kind of elastic caoutchouc impeller of the present utility model, comprise the pump housing 11, transmission shaft 5, crescent moon ring 21, rubber impeller 13, the described pump housing 11 is copper member, the front end of the pump housing 11 is provided with two bearings that are used for supporting drive shaft 5, one is single-row ball-bearing 28, and another is a two-row ball bearing 30, is provided with lining 29 therebetween; Separate with water seal 10 between the active chamber of the pump housing 11 rear ends and the drive cavity, spill, also be provided with a spillway hole 33 simultaneously to prevent the water in the active chamber 01, if water seal damages or little leakage phenomenon is arranged, water just from then on the hole spill; One and transmission shaft 5 are arranged in the active chamber 01 of the pump housing 11 rear ends, cooperate by flat key 14 to be fixed on the transmission shaft 5, can be with the rubber impeller 13 that has 12 blades of transmission shaft 5 rotations, the blade of rubber impeller 13 is radially; Active chamber 01 1 sides respectively are provided with a water intake 31 and, the water outlet 32 that communicates with active chamber; On the inwall of active chamber 01, be fixed with a copper crescent moon ring 21 of fixing by first bolt 24, first flat gasket, 23, the first O-ring seals 22; Back shroud 19 usefulness, second O-ring seals 16 of pump and flanged surface the 3rd bolt 17 are fixed and are compressed, and the impeller rear end covers with impeller bonnet 18; For working power machinery drives the utility model, the front end that stretches out the pump housing 11 at transmission shaft 5 is provided with keyway and can cooperates fixed gear or belt pulleys by woodruff key 4, and uses nut, and pad is fixed.
In addition, 8, four the 3rd flat gaskets 9 of 7, four first compression springs of 6, four second bolts of a pad are used to install and fix this rubber impeller sea water pump.For water intake 31 is connected with intake pipe, and water outlet 32 is connected with outlet pipe, is used for water intake and be provided with 15, one on two water pipe pads, and one is used for water outlet.
In addition, the utility model also is provided with one and adjusts pad 12, lubricating cup 20, shaft block ring 25, pump housing backing plate 26, straight pin 27, and the part that is used to be installed on prime mover has nut 1, the second compression spring 2, the second flat gaskets 3, woodruff key 4.
Working principle
When rubber impeller 13 rotates in the active chamber 01 of the pump housing 11, because active chamber 01 is fixed with a crescent moon ring 21 on the inwall of water intake 31 and water outlet 32 1 sides, 13 rotations of rubber impeller, when crescent moon ring 21 1 sides are left in the blade rotation, blade is stretched out, volume increases between the blade, and pressure reduces to produce negative pressure, and water sucks active chamber 01 from water intake 31;
When blade rotates into crescent moon ring 21 1 sides, bending blade, volume reduces between the blade, produces malleation, and water is extruded from active chamber 01; In rubber impeller 13 rotary courses, each blade is stretched out successively and is crooked, finishes the pump water conservancy project with this and does.
Claims (1)
1. the impeller type sea water pump of an elastic caoutchouc impeller, it is characterized in that: comprise the pump housing, transmission shaft, crescent moon ring, rubber impeller, the described pump housing is copper member, transmission shaft places the centerline of the pump housing, be provided with two bearings that are used for supporting drive shaft in the pump housing front end drive cavity, the active chamber of pump housing rear end and the packing of drive cavity water are opened; A rubber impeller that has several blades is arranged in the cylindrical active chamber in pump housing rear end, and the rubber impeller is fixed on the transmission shaft, can rotates with transmission shaft by the flat key cooperation with transmission shaft, and the stupefied shape blade of several of rubber impeller radially; Active chamber one side respectively is provided with a water intake and water outlet that communicates with active chamber; On the active chamber inwall of water intake and water outlet one side, be fixed with a crescent moon ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200519299U CN201982293U (en) | 2011-02-22 | 2011-02-22 | Impeller-type sea water pump with elastic rubber impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200519299U CN201982293U (en) | 2011-02-22 | 2011-02-22 | Impeller-type sea water pump with elastic rubber impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982293U true CN201982293U (en) | 2011-09-21 |
Family
ID=44609755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200519299U Expired - Fee Related CN201982293U (en) | 2011-02-22 | 2011-02-22 | Impeller-type sea water pump with elastic rubber impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982293U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062120A (en) * | 2013-02-07 | 2013-04-24 | 江苏科技大学 | Sea water pump with elastic body impeller |
| CN103591018A (en) * | 2013-11-27 | 2014-02-19 | 芜湖德威汽车电机有限公司 | Liquid feeding pump used for seawater desalination |
| CN104295491A (en) * | 2014-09-01 | 2015-01-21 | 浙江维新汽车配件有限公司 | Rubber impeller type water pump for ship engines |
| CN105422274A (en) * | 2014-09-18 | 2016-03-23 | 苏州金鼎机械制造有限公司 | Silent type generator set |
| CN105485058A (en) * | 2014-09-18 | 2016-04-13 | 苏州金鼎机械制造有限公司 | Cooling water pump for air cooling engine |
| CN115614804A (en) * | 2022-11-11 | 2023-01-17 | 珠海格力电器股份有限公司 | Electric oil heater capable of rapidly heating |
-
2011
- 2011-02-22 CN CN2011200519299U patent/CN201982293U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062120A (en) * | 2013-02-07 | 2013-04-24 | 江苏科技大学 | Sea water pump with elastic body impeller |
| CN103062120B (en) * | 2013-02-07 | 2015-04-29 | 江苏科技大学 | Sea water pump with elastic body impeller |
| CN103591018A (en) * | 2013-11-27 | 2014-02-19 | 芜湖德威汽车电机有限公司 | Liquid feeding pump used for seawater desalination |
| CN104295491A (en) * | 2014-09-01 | 2015-01-21 | 浙江维新汽车配件有限公司 | Rubber impeller type water pump for ship engines |
| CN104295491B (en) * | 2014-09-01 | 2017-07-07 | 浙江维新汽车配件有限公司 | A kind of engine of boat and ship rubber impeller formula water pump |
| CN105422274A (en) * | 2014-09-18 | 2016-03-23 | 苏州金鼎机械制造有限公司 | Silent type generator set |
| CN105485058A (en) * | 2014-09-18 | 2016-04-13 | 苏州金鼎机械制造有限公司 | Cooling water pump for air cooling engine |
| CN105422274B (en) * | 2014-09-18 | 2018-06-26 | 苏州金鼎机械制造有限公司 | Squelch type generating set |
| CN115614804A (en) * | 2022-11-11 | 2023-01-17 | 珠海格力电器股份有限公司 | Electric oil heater capable of rapidly heating |
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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 |
Granted publication date: 20110921 Termination date: 20180222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |