CN201137592Y - Flushing air exhausting structure for water pump machine sealed chamber - Google Patents
Flushing air exhausting structure for water pump machine sealed chamber Download PDFInfo
- Publication number
- CN201137592Y CN201137592Y CNU2007201991581U CN200720199158U CN201137592Y CN 201137592 Y CN201137592 Y CN 201137592Y CN U2007201991581 U CNU2007201991581 U CN U2007201991581U CN 200720199158 U CN200720199158 U CN 200720199158U CN 201137592 Y CN201137592 Y CN 201137592Y
- Authority
- CN
- China
- Prior art keywords
- pump
- pump cover
- impeller
- cover
- water pump
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000011010 flushing procedure Methods 0.000 title claims description 14
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000009834 vaporization Methods 0.000 abstract description 4
- 230000008016 vaporization Effects 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a washing exhaust gas structure for a water pump machine seal chamber, which comprises a pump body, a pump cover and an impeller, wherein the impeller is arranged on a pump shaft and is located between the pump body and the pump cover, a sealing cavity is arranged between the impeller and the pump cover, the pump shaft in the sealing cavity is equipped with mechanical seal, an inner channel is arranged in the pump cover, one end of the inner channel is communicated with the sealing cavity, the other end of the inner channel is communicated with the pump body outside the sealing cavity and gaps between the pump cover and the impeller, an exhaust passage is connected with the inner channel, an outer opening of the exhaust passage is arranged in the outer wall of the pump cover, the outer opening of the exhaust passage is equipped with an exhaust valve, and the external circumference of the machine seal in the sealing cavity is fixedly equipped with a convection plate. An inner recycle washing channel is arranged in the pump cover, the machine seal is effectively washed and cooled by the pressure which is produced by self pressure of the pump when water flow flows through the inner recycle washing channel, simultaneously, a vaporization phenomenon is capable of being prevented from produced through that an exhaust gas valve is arranged.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to pump, particularly a kind of flushing exhaust structure that is used for water pump sealing chamber.
Background technique:
Sealed member is the critical component of water pump.In the prior art, the Seal cage of water pump is the cylindricality cylinder, and the gap of 0.2～1mm is arranged between the choma behind the impeller, and the closed chamber air can't be discharged behind pump startup, and seal face has the possibility of the vaporization of producing; And directly developing result is not good, can not guarantee the continuous flow by closed chamber, has influence on the sealing reliability of mechanical seal.
Summary of the invention:
The purpose of this utility model provides a kind of flushing exhaust structure that is used for water pump sealing chamber, the described this flushing exhaust structure that is used for water pump sealing chamber to solve prior art water pump packing structure can't overcome vaporization phenomenon, directly developing result not good, seal insecure technical problem.
This flushing exhaust structure of water pump sealing chamber that is used for of the present utility model is by the pump housing, pump cover and impeller constitute, described impeller is arranged on the pump shaft, and between the pump housing and pump cover, be provided with Seal cage between impeller and the pump cover, pump shaft in the Seal cage is provided with mechanical seal, wherein, be provided with an inner flow passage in the described pump cover, one end of described inner flow passage is communicated with described Seal cage, the other end of inner flow passage and the pump housing outside the Seal cage, gap between pump cover and the impeller is communicated with, be connected with an air outlet flue on the inner flow passage, the outer end opening of described air outlet flue is in the outer wall of pump cover, the outer end opening of air outlet flue is provided with outlet valve, is set with the convection current plate on the excircle of the mechanical seal in the Seal cage.
Further, described inner flow passage is connected and composed by shaft orientation flowing channel and radial flow path, and an end opening of radial flow path is connected in the end face pump cover and convection current plate.
Further, described convection current plate is provided with groove in itself and being connected of pump cover in the end face, and described groove is communicated with an end opening of radial flow path.
Working principle of the present utility model is: circulation flushing runner in inner flow passage can be used as on the pump cover, and simultaneously also as the air outlet flue of pump startup.Drain gas in the sealing chamber by outlet valve during pump startup, press water directly washes the mechanical seal attrition surface by the convection current plate in the operation process, to mechanical seal rinsing, lubricated, cooling is more direct effectively.
The utility model and prior art contrast, and its effect is actively with tangible.The utility model is arranged at interior circulation flushing runner in the pump cover, and the circulation flushing runner effectively washed mechanical seal and cools off in the pressure flow that produces by pump self was flowed through, and simultaneously, the generation that outlet valve can be avoided vaporization phenomenon was set.
Description of drawings:
Fig. 1 is the structural representation that is used for the flushing exhaust structure of water pump sealing chamber of the present utility model.
Embodiment:
As shown in Figure 1, the flushing exhaust structure of water pump sealing chamber that is used for of the present utility model is by the pump housing 1, pump cover 2, impeller 3 and mechanical seal 4 constitute, described impeller 3 is arranged at pump shaft 5 one ends, in the space 6 of described impeller 3 between the described pump housing 1 and described pump cover 2, on described pump shaft 5, the Seal cage 7 that is arranged in described pump cover 2 is provided with described mechanical seal 4, wherein, in described pump cover 2, be provided with shaft orientation flowing channel 8 and radial flow path 9, described shaft orientation flowing channel 8 one ends are connected with space 6 between the described pump cover 2 and the described pump housing 1, the other end is connected with described radial flow path 9, described radial flow path 9 one ends run through described pump cover 2 walls, the other end is connected with described Seal cage 7, on described pump cover 2, be positioned at described radial flow path 9 outer ends and be provided with outlet valve 10, at described Seal cage 7 one ends, be socketed on described mechanical seal 4 peripheries and be provided with convection current plate 11.
Further, described convection current plate 11 is provided with and described radial flow path 9 corresponding grooves towards described radial flow path 9 one sides.
Claims (3)
1. flushing exhaust structure that is used for water pump sealing chamber, by the pump housing, pump cover and impeller constitute, described impeller is arranged on the pump shaft, and between the pump housing and pump cover, be provided with Seal cage between impeller and the pump cover, pump shaft in the Seal cage is provided with mechanical seal, it is characterized in that: be provided with an inner flow passage in the described pump cover, one end of described inner flow passage is communicated with described Seal cage, the other end of inner flow passage and the pump housing outside the Seal cage, gap between pump cover and the impeller is communicated with, be connected with an air outlet flue on the inner flow passage, the outer end opening of described air outlet flue is in the outer wall of pump cover, the outer end opening of air outlet flue is provided with outlet valve, is set with the convection current plate on the excircle of the mechanical seal in the Seal cage.
2. the flushing exhaust structure that is used for water pump sealing chamber as claimed in claim 1, it is characterized in that: described inner flow passage is connected and composed by shaft orientation flowing channel and radial flow path, and an end opening of radial flow path is connected in the end face pump cover and convection current plate.
3. the flushing exhaust structure that is used for water pump sealing chamber as claimed in claim 1 is characterized in that: described convection current plate is provided with groove in itself and being connected of pump cover in the end face, and described groove is communicated with an end opening of radial flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201991581U CN201137592Y (en) | 2007-12-12 | 2007-12-12 | Flushing air exhausting structure for water pump machine sealed chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201991581U CN201137592Y (en) | 2007-12-12 | 2007-12-12 | Flushing air exhausting structure for water pump machine sealed chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201137592Y true CN201137592Y (en) | 2008-10-22 |
Family
ID=40038279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201991581U Expired - Fee Related CN201137592Y (en) | 2007-12-12 | 2007-12-12 | Flushing air exhausting structure for water pump machine sealed chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201137592Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291604A (en) * | 2013-06-27 | 2013-09-11 | 长沙山水节能研究院有限公司 | Water pump adjustable inner circulation flushing system |
| CN103629164A (en) * | 2012-08-29 | 2014-03-12 | 上海瑞邦机械集团有限公司 | Sealed inner flushing device for double-suction axially split pump |
| CN106762697A (en) * | 2016-12-20 | 2017-05-31 | 江门市地尔汉宇电器股份有限公司 | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise |
| CN107143519A (en) * | 2017-07-06 | 2017-09-08 | 亿德机电科技（福建）有限公司 | High temperature and high speed pump with self-cleaning function |
| CN108361228A (en) * | 2018-01-09 | 2018-08-03 | 中石化上海工程有限公司 | A kind of mechanical seal rinsing system for conveying hydrocarbon medium centrifugal pump of horizontal axis |
| CN108412817A (en) * | 2018-06-08 | 2018-08-17 | 安徽阿莫斯泵业有限公司 | A kind of centrifugal pump cover seal chamber self-cleaning structure |
| CN114320876A (en) * | 2021-12-23 | 2022-04-12 | 四川航天世源科技有限公司 | Water pump and water pump shell structure of automobile engine |
| CN115653909A (en) * | 2022-11-01 | 2023-01-31 | 青岛格林沃特水务有限公司 | Mechanical seal circulating flushing mechanism of submersible sewage pump |
-
2007
- 2007-12-12 CN CNU2007201991581U patent/CN201137592Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629164A (en) * | 2012-08-29 | 2014-03-12 | 上海瑞邦机械集团有限公司 | Sealed inner flushing device for double-suction axially split pump |
| CN103291604A (en) * | 2013-06-27 | 2013-09-11 | 长沙山水节能研究院有限公司 | Water pump adjustable inner circulation flushing system |
| CN106762697A (en) * | 2016-12-20 | 2017-05-31 | 江门市地尔汉宇电器股份有限公司 | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise |
| CN106762697B (en) * | 2016-12-20 | 2023-03-24 | 汉宇集团股份有限公司 | Alternating current permanent magnet synchronous water pump capable of reducing exhaust noise |
| CN107143519A (en) * | 2017-07-06 | 2017-09-08 | 亿德机电科技（福建）有限公司 | High temperature and high speed pump with self-cleaning function |
| CN107143519B (en) * | 2017-07-06 | 2023-10-27 | 福建省福安市力德泵业有限公司 | High-temperature high-speed pump with self-cleaning function |
| CN108361228A (en) * | 2018-01-09 | 2018-08-03 | 中石化上海工程有限公司 | A kind of mechanical seal rinsing system for conveying hydrocarbon medium centrifugal pump of horizontal axis |
| CN108412817A (en) * | 2018-06-08 | 2018-08-17 | 安徽阿莫斯泵业有限公司 | A kind of centrifugal pump cover seal chamber self-cleaning structure |
| CN114320876A (en) * | 2021-12-23 | 2022-04-12 | 四川航天世源科技有限公司 | Water pump and water pump shell structure of automobile engine |
| CN114320876B (en) * | 2021-12-23 | 2024-10-01 | 四川航天世源科技有限公司 | Automobile engine water pump and water pump shell structure |
| CN115653909A (en) * | 2022-11-01 | 2023-01-31 | 青岛格林沃特水务有限公司 | Mechanical seal circulating flushing mechanism of submersible sewage pump |
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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: 20081022 Termination date: 20121212 |