CN2324319Y - Pressure regulating centrifugal injection pump - Google Patents
Pressure regulating centrifugal injection pump Download PDFInfo
- Publication number
- CN2324319Y CN2324319Y CN 97205404 CN97205404U CN2324319Y CN 2324319 Y CN2324319 Y CN 2324319Y CN 97205404 CN97205404 CN 97205404 CN 97205404 U CN97205404 U CN 97205404U CN 2324319 Y CN2324319 Y CN 2324319Y
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- CN
- China
- Prior art keywords
- valve
- pump
- pressure
- centrifugal pump
- centrifugal
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- 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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Abstract
The utility model relates to a pressure regulating centrifugal injection pump which is suitable for conveying liquid medium. A valve which is respectively communicated with a pressure water chamber and a water inlet chamber and can be adjusted and closed at will as needed is arranged between the pressure water chamber of the centrifugal pump of the pump casing of the existing centrifugal injection pump and the water inlet chamber of the injection pump as a pressure regulating valve. The on-off state of the valve is changed, and the flow quantity from the pressure water chamber to the water inlet chamber can be adjusted to change the output pressure of the injection centrifugal pump to make the aim of pressure regulation realized.
Description
The utility model relates to a kind of conveying liquid medium that is applicable to, carries medium pressure liquid to require the pressure regulating type centrifugaljetpump of adjustment arbitrarily with delivery pressure.
At present, known centrifugaljetpump is to be combined by centrifugal pump and jet pump to form, and it is suitable for carrying more high-lift liquid.But,, thereby under the situation that requires to change at working pressure, use very inconvenient owing to discharge pressure can not be adjusted to direct convenience on pump with the need.
The purpose of this utility model provides a kind of pressure regulating type centrifugaljetpump, and it not only has the high-lift performance characteristic that former centrifugaljetpump has, and can adjust the working pressure of pump again easily with the need.
The purpose of this utility model is achieved in that being provided with one between the intake chamber of the pumping chamber of the centrifugal pump of centrifugaljetpump and jet pump communicates with pumping chamber and intake chamber respectively, and the valve that can regulate arbitrarily with the need and close is as pressure regulator valve.As pressure regulator valve can be throttle valve, stop valve, gate valve, ball valve, stopcock, butterfly valve, membrane valve etc., be fit to the valve regulate arbitrarily and close.When pressure regulator valve is throttle valve, it is by the pressure regulation valve body (4) that links with pump case, the pressuring adjusting valve base (8) that links with valve body, with the valve rod (5) that can when valve seat (8) is gone up rotation, move up and down, the adjusting pressuring valve core (9) that moves along with valve rod (5), and the sealing gasket (7) on the valve seat (8) and compress the gland nut compositions such as (6) of sealing gasket (7).There are outlet (3) and import (10) to link with jet pump intake chamber (2) and centrifugal pump pumping chamber (12) respectively on the pressure regulation valve body (8), handle on the adjustable valve bar (5) changes the switching and the opening state of valve, make the flow of a part of pump, enter the intake chamber of jet pump from the centrifugal pump pumping chamber by pressure regulator valve, and shunt, thereby changed the operating point of the output liquid of centrifugaljetpump, and reached the purpose that changes its delivery pressure.Can reach the purpose of stepless voltage regulation by the different opening that changes pressure regulator valve.
Owing to adopted such scheme, it can change the delivery pressure of pump arbitrarily with the need in centrifugaljetpump maximum pressure scope, and remains on stable operation under this pressure state.This has just increased the Applicable scope of centrifugaljetpump; Avoided in the system of the conveying liquid that can not bear excess pressure the danger that damages because of overpressure simultaneously.
Optimum scheme of the present utility model is to make washing machine with high-lift, but the pressure regulation centrifugaljetpump.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a longitudinal section of the present utility model tectonic maps of making pressure regulator valve with throttle valve.
(1) pump intake among the figure, (2) jet pump intake chamber, the outlet of (3) pressure regulator valve, (4) adjusting pressuring valve core, (5) pressure regulation valve rod, (6) gland nut, (7) sealing gasket, (8) pressuring adjusting valve base, (9) pressure regulation valve chamber, (10) pressure regulator valve inlet, (11) pump case, (12) centrifugal pump pumping chamber, (13) centrifugal pump front shroud, (14) centrifugal pump guiding gutter, (15) centrifugal pump impeller, (16) pump postoperculum, (17) jet pump trunnion, (18) jet pump nozzle, (19) pump discharge, (20) pressure regulator valve.
Fig. 1 is the utility model is made pressure regulator valve with throttle valve a structural drawing.Its pressure regulating type centrifugaljetpump, it has a centrifugal pump impeller (15) that is contained in the rotating shaft, front and rear cover plate (13), (16) of centrifugal pump are installed before and after the impeller (15), its centrifugal pump guiding gutter (14) with the impeller periphery is fixed on the pump case (11), centrifugal pump front shroud (13) links with jet pump trunnion (17), its outlet communicates with impeller (15) import, pump case (11) is divided into centrifugal pump pumping chamber (12) and jet pump intake chamber (2), and it has pump import and export (1) and (19) to communicate with the pump case place.Between the intake chamber (2) of the pumping chamber (12) of centrifugal pump and jet pump, be provided with the valve (20) that to regulate arbitrarily with the need and to close as pressure regulator valve.It has outlet (3) and import (10) links with pump jet pump intake chamber (2) and centrifugal pump pumping chamber (12) respectively.It is by the pressure regulation valve body (4) that links with pump case (11) when pressure regulator valve is throttle valve, the pressuring adjusting valve base (8) that links with valve body, the adjusting pressuring valve core (9) that is contained on the pressuring adjusting valve base valve rod (5) that can when rotating, move up and down and moves along with valve rod (5), and sealing gasket (7) and gland nut compositions such as (6) on the valve seat, pressure regulation valve body (4) have import (11) and the outlet (3) respectively with pump case on centrifugal pump pumping chamber (12) and jet pump intake chamber (2) link, lifting by regulating valve stem (5), adjust the unlatching size of valve and close, adjust the size of return flow, thereby adjust delivery side of pump pressure.
Claims (2)
1. one kind is applicable to the pressure regulating type centrifugaljetpump of carrying liquid medium, it has a centrifugal pump impeller that is contained in the rotating shaft, the centrifugal pump front and rear cover plate is installed before and after the impeller, its centrifugal pump guiding gutter with the impeller periphery is fixed on the pump case, centrifugal pump front shroud and jet pump trunnion link, its outlet communicates with impeller inlet, the import of trunnion and jet pump nozzle coaxial line are fixed, pump case is divided into centrifugal pump pumping chamber and jet pump intake chamber, and there are the pump import and export to be interlinked to the outside with pump case, it is characterized in that: be provided with one and communicate with pumping chamber and intake chamber respectively between the intake chamber of the pumping chamber of centrifugal pump and jet pump, the valve that can regulate arbitrarily with the need and close is as pressure regulator valve.
2. pressure regulating type centrifugaljetpump according to claim 1, it is characterized in that: pressure regulator valve is a throttle valve, it is by the pressure regulation valve body that links with pump case, with pressure regulation the valve body pressuring adjusting valve base that links and valve rod and the adjusting pressuring valve core that moves with valve rod and the compositions such as sealing gasket on the valve seat and gland nut that can when rotating, move up and down, the pressure regulation valve body have import and the outlet respectively with pump case on the jet pump intake chamber and the pumping chamber of centrifugal pump link, simultaneously by adjusting the switching of valve, communicate or close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97205404 CN2324319Y (en) | 1997-11-10 | 1997-11-10 | Pressure regulating centrifugal injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97205404 CN2324319Y (en) | 1997-11-10 | 1997-11-10 | Pressure regulating centrifugal injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2324319Y true CN2324319Y (en) | 1999-06-16 |
Family
ID=33925635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97205404 Expired - Fee Related CN2324319Y (en) | 1997-11-10 | 1997-11-10 | Pressure regulating centrifugal injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2324319Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383375C (en) * | 2001-06-02 | 2008-04-23 | 彭光斌 | Electric control high-pressure fuel injection pump |
| CN101846102A (en) * | 2010-06-03 | 2010-09-29 | 浙江利欧股份有限公司 | Frost crack prevention water pump |
| CN102971221A (en) * | 2010-06-02 | 2013-03-13 | 喜力供应链有限公司 | Dispensing unit and method for dispensing a liquid under pressure |
| CN106351848A (en) * | 2016-10-21 | 2017-01-25 | 杭州激湍流体科技有限公司 | Low-noise injection pump |
-
1997
- 1997-11-10 CN CN 97205404 patent/CN2324319Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383375C (en) * | 2001-06-02 | 2008-04-23 | 彭光斌 | Electric control high-pressure fuel injection pump |
| CN102971221A (en) * | 2010-06-02 | 2013-03-13 | 喜力供应链有限公司 | Dispensing unit and method for dispensing a liquid under pressure |
| CN101846102A (en) * | 2010-06-03 | 2010-09-29 | 浙江利欧股份有限公司 | Frost crack prevention water pump |
| CN101846102B (en) * | 2010-06-03 | 2012-07-25 | 浙江利欧股份有限公司 | Frost crack prevention water pump |
| CN106351848A (en) * | 2016-10-21 | 2017-01-25 | 杭州激湍流体科技有限公司 | Low-noise injection pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |