CN202811527U - Suction-type centrifugal pump - Google Patents
Suction-type centrifugal pump Download PDFInfo
- Publication number
- CN202811527U CN202811527U CN 201220464143 CN201220464143U CN202811527U CN 202811527 U CN202811527 U CN 202811527U CN 201220464143 CN201220464143 CN 201220464143 CN 201220464143 U CN201220464143 U CN 201220464143U CN 202811527 U CN202811527 U CN 202811527U
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- pump
- bearing
- pump shaft
- bearing support
- type centrifugal
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- Expired - Fee Related
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Abstract
The utility model discloses a suction-type centrifugal pump, which comprises a pump body, an impeller, a pump shaft and a bearing body, wherein two sides of the pump shaft are provided with bearings; the bearings are pressed into the bearing body; the bearing body is connected with a bearing gland; the impeller is arranged on the pump shaft; the pump body is sheathed on the bearing body; the pump shaft is provided with a mechanical sealing in a penetrating mode; one end of the pump shaft is provided with a belt pulley; the belt pulley is connected with a cushioning and pressing plate; the pump body is connected with a pump cover; the pump cover is arranged on the bearing body; and a seal ring is arranged in the pump cover. The suction-type centrifugal pump has the advantages of simple structure, convenience in assembling, disassembling and repairing, stability in operation during working, high efficiency and long service life and is suitable for various fields, such as the ship and the construction.
Description
Technical field
The present invention relates to machinery confession, drainage equipment field, relate in particular to a kind of inhalation type centrifugal pump.
Background technique
Centrifugal pump is applicable to the usefulness of boats and ships, building, fire-fighting, chemical industry, pipeline supercharging and gardens sprinkling irrigation, and Applicable scope and of many uses mainly plays the effect of centrifugal suction.A kind of centrifugal pump is disclosed such as Chinese application number CN201120426725.9, comprise the pump housing, pump cover, live axle, Sealing, pump cover is installed on the pump housing, between pump cover and the live axle connecting base is set, Sealing is arranged between centrifugal pump live axle and the described connecting base, when centrifugal pump just can be installed different Sealings by at same pump cover different connecting bases being set during for delivery of different fluid, and the cost of production of connecting base is significantly less than the cost of pump cover, simultaneously because the minimizing of the kind of pump cover, the corresponding also reduction mould corresponding with pump cover, stock's cost, thereby the cost of production of saving centrifugal pump.But operation not steadily when work, vibrations are large, maintenance is inconvenient for this centrifugal pump, and working life is shorter, is difficult for promoting the use of.
Summary of the invention
Technical problem to be solved by this invention provides a kind of inhalation type centrifugal pump little, that loading and unloading are easy to maintenance, the life-span is long that operates steadily, shakes.
In order to realize purpose of the present invention, a kind of inhalation type centrifugal pump provided by the invention, comprise the pump housing, impeller, pump shaft, bearing support, bearing is equipped with in described pump shaft both sides, described bearing is pressed in the bearing support, described bearing support is connected with bearing gland, described impeller is loaded on the pump shaft, the described pump housing is set on the bearing support, be installed with mechanical seal on the described pump shaft, described pump shaft one end is equipped with belt pulley, and described belt pulley is connected with the pad pressing plate, the described pump housing is connected with pump cover, and described pump cover is loaded on the bearing support and seal ring is housed in the pump cover.
According to a kind of preferred implementation of foregoing invention, the described pump housing closely is connected on the bearing support by the welding positioning compression.
A kind of preferred implementation according to foregoing invention is equipped with outside framework oil seal in the described bearing gland, and described outside framework oil seal is contained in the both sides of pump shaft.
According to a kind of preferred implementation of foregoing invention, described mechanical seal design is for being through at the both sides of pump shaft without axle sleeve single end face type.
Beneficial effect of the present invention is: solved the professional technique difficult problem that diesel engine is revealed easily to flow, lift and high pressure water sealing in the water cooling pump work, effectively reduce the air horsepower loss, the vibrations and the noise that have produced when having alleviated the pump running, simple in structure, loading and unloading are overhauled conveniently, operate steadily during work, efficient is high, long service life is applicable to a plurality of fields such as boats and ships, buildings.
Description of drawings
Fig. 1 is the structural representation of a kind of inhalation type centrifugal pump of the present invention;
Fig. 2 is the enlarged diagram of the a-quadrant of Fig. 1.
Wherein: the 1-pump housing, 2-impeller, 3-pump shaft, 4-bearing support, 5-bearing, 6-bearing gland, 7-mechanical seal, 8-belt pulley, 9-pad pressing plate, 10-pump cover, 11-seal ring, 12-outside framework oil seal.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further details.
Referring to Fig. 1, a kind of inhalation type centrifugal pump, comprise the pump housing 1, impeller 2, pump shaft 3, bearing support 4, bearing 5 is equipped with in pump shaft 3 both sides, bearing 5 is pressed in the bearing support 4, bearing support 4 is connected with bearing gland 6, impeller 2 is loaded on the pump shaft 3, and the pump housing 1 is set on the bearing support 4, is installed with mechanical seal 8 on the pump shaft 3, pump shaft 3 one ends are equipped with belt pulley 9, belt pulley 9 is connected with pad pressing plate 10, and the pump housing 1 is connected with pump cover 11, and pump cover 11 is loaded on the bearing support 4 and seal ring 12 is housed in the pump cover 11, adopt this pump cover design, simple in structure, loading and unloading are overhauled conveniently, and end spaces reduces behind the impeller, and water seal characteristic is good, improve working environment in the mechanical seal chamber, improved the working life of mechanical seal.
The pump housing 1 closely is connected on the bearing support 4 by the welding positioning compression, adopts this integral structure design, has shortened the length of pump shaft, has effectively controlled radial force and axial force and has increased, and has effectively controlled air horsepower and has increased and loss, has reduced the pump working load.
Outside framework oil seal 13 is housed in the bearing gland 6, described outside framework oil seal fills 13 both sides at pump shaft 3, this more compact structure, succinct, the requirement that is more suitable for the quick maintenance of diesel engine and working environment, solved the professional technique difficult problem that diesel engine is revealed easily to flow, lift and high pressure water sealing in the water cooling pump work, effectively reduce the air horsepower loss, the vibrations and the noise that have produced when having alleviated the pump running.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All within the scope of the present invention or the change within being equal to scope of the present invention all be included in the invention.
Claims (4)
1. inhalation type centrifugal pump, comprise the pump housing, impeller, pump shaft, bearing support, bearing is equipped with in described pump shaft both sides, described bearing is pressed in the bearing support, described bearing support is connected with bearing gland, described impeller is loaded on the pump shaft, the described pump housing is set on the bearing support, be installed with mechanical seal on the described pump shaft, described pump shaft one end is equipped with belt pulley, described belt pulley is connected with the pad pressing plate, described it is characterized in that: the described pump housing is connected with pump cover, and described pump cover is loaded on the bearing support and seal ring is housed in the pump cover.
2. a kind of inhalation type centrifugal pump according to claim 1 is characterized in that: the described pump housing closely is connected on the bearing support by the welding positioning compression.
3. a kind of inhalation type centrifugal pump according to claim 1, it is characterized in that: in the described bearing gland outside framework oil seal is housed, described outside framework oil seal is contained in the both sides of pump shaft.
4. according to claim 1 to described each a kind of inhalation type centrifugal pump of 3, it is characterized in that: described mechanical seal design is for being through at the both sides of pump shaft without axle sleeve single end face type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464143 CN202811527U (en) | 2012-09-13 | 2012-09-13 | Suction-type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464143 CN202811527U (en) | 2012-09-13 | 2012-09-13 | Suction-type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811527U true CN202811527U (en) | 2013-03-20 |
Family
ID=47870409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220464143 Expired - Fee Related CN202811527U (en) | 2012-09-13 | 2012-09-13 | Suction-type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811527U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527492A (en) * | 2013-05-08 | 2014-01-22 | 江苏大学 | Novel two-stage impeller ceramic pump |
| CN105201895A (en) * | 2015-09-06 | 2015-12-30 | 广德玉龙泵业有限公司 | Centrifugal pump |
| CN105240285A (en) * | 2015-11-13 | 2016-01-13 | 青岛丰燕微型电机水泵厂 | Liquid pump of leakproof structure |
| CN106352030A (en) * | 2016-09-23 | 2017-01-25 | 浙江远邦流体科技有限公司 | Centrifugal pump accelerating device and system |
-
2012
- 2012-09-13 CN CN 201220464143 patent/CN202811527U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527492A (en) * | 2013-05-08 | 2014-01-22 | 江苏大学 | Novel two-stage impeller ceramic pump |
| CN105201895A (en) * | 2015-09-06 | 2015-12-30 | 广德玉龙泵业有限公司 | Centrifugal pump |
| CN105240285A (en) * | 2015-11-13 | 2016-01-13 | 青岛丰燕微型电机水泵厂 | Liquid pump of leakproof structure |
| CN105240285B (en) * | 2015-11-13 | 2017-08-29 | 青岛丰燕微型电机水泵厂 | A kind of liquid pump of sealing structure |
| CN106352030A (en) * | 2016-09-23 | 2017-01-25 | 浙江远邦流体科技有限公司 | Centrifugal pump accelerating device and system |
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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: 20130320 Termination date: 20150913 |
|
| EXPY | Termination of patent right or utility model |