CN2791306Y - Screw-rod pump with pressure regulation valve - Google Patents
Screw-rod pump with pressure regulation valve Download PDFInfo
- Publication number
- CN2791306Y CN2791306Y CN 200520009143 CN200520009143U CN2791306Y CN 2791306 Y CN2791306 Y CN 2791306Y CN 200520009143 CN200520009143 CN 200520009143 CN 200520009143 U CN200520009143 U CN 200520009143U CN 2791306 Y CN2791306 Y CN 2791306Y
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- water
- screw
- pressure regulator
- regulator valve
- pump
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- Expired - Fee Related
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Abstract
The utility model relates to a screw pump with a pressure regulating valve, which is composed of a screw assembly, a pressure regulating valve, a machine body and a driving machine, wherein the screws of the screw assembly are connected together with a main shaft of the driving machine and a pump block is fixed in the machine body. The water inlet of the pressure regulating valve and the water outlet end of the machine body are connected; the driving machine drives the screws to rotate so as to continuously extrude water from a suction chamber into a discharge chamber, and the water is discharged from a water delivery pipe; the tail end of the water delivery pipe can be provided with a water gun which can turn off water flow at real time. When the water gun is turned off, the pressure regulating valve opens automatically, and the pressure in the pump can be kept in a set value; the pressure can be decided according to the caliber and the length of the water delivery pipe. The utility model is suitable for occasions, such as cleaning work, garden irrigation, etc.
Description
The utility model relates to a kind of water supply installation that is used for cleaning process or gardens pouring.
At present, people just progressively adopt screw pump to provide the setting-out source when pouring flowers and trees, flushing ground, cleaning vehicle.It can provide big hydraulic pressure, is fit to remote transmission.But the common screw pump that is provided on the current market can not have the hydraulic giant of real-time shutoff current in the terminal installation of conduit pipe, otherwise in case close current, air horsepower can sharply increase, and the aggravation pump block weares and teares.In the production practices activity,, conduit pipe cause the accident of burn-down of electric motor to happen occasionally because of blocking (as extruding, winding etc.).Therefore it is subjected to certain limitation on using and promoting.
The purpose of this utility model is exactly to provide a kind of screw pump that has pressure regulator valve simple in structure, easy to use at above deficiency.
The utility model is achieved in that a kind of screw pump that has pressure regulator valve, is made up of screw arbor assembly, pressure regulator valve, body and driving machine.The screw rod of screw arbor assembly and the main shaft of driving machine are linked together.The pump block of screw arbor assembly is fixed in the body, and body is separated into suction chamber and discharges the chamber.Driving machine drives the screw rod rotation, the water of suction chamber is squeezed into discharges the chamber, and discharge via the waterexit end.The water intake of pressure regulator valve and the waterexit end of body link.When conduit pipe is closed, discharge indoor hydraulic pressure and continue to raise, and open pressure regulator valve automatically, make pressure remain on setting value.
The accompanying drawing picture is described as follows:
Fig. 1 is the structural representation of the utility model embodiment A.
Fig. 2 is the structural representation of the utility model embodiment A pressure regulator valve.
Fig. 3 is the structural representation of the utility model Embodiment B.
Each label declaration is as follows among the figure:
The 1-waterexit end, the 2-pressure regulator valve, the 3-pump block, the 4-screw rod, the 5-main shaft, the 6-water inlet, the 7-electric wire, the 8-motor, the 9-suction chamber, the 10-body, 11-discharges the chamber; The 12-valve gap, 13-O RunddichtringO, 14-spool, 15-flowing hole, 16-water outlet, 17-valve seat, 18-water intake, 19-seal ring, 20-piston, 21-spring, 22-adjustable lever; The 23-support, 24-pressure regulator valve B; The 25-reflow pipe, the 26-threeway, 27-body B, the 28-power switch, 29-motor B, 30-main shaft B, 31-suction chamber B, 32-screw rod B, 33-pump block B, 34-discharges chamber B, 35-suction sleeve, 36-pond.
In conjunction with the accompanying drawings the utility model is described in detail.
Referring to Fig. 1, this is the structural representation of the utility model embodiment A.It is made up of four big parts such as screw arbor assembly, pressure regulator valve 2, body 10 and motor 8, and wherein screw arbor assembly is made of pump block 3 and screw rod 4.Screw rod 4 is linked together with the main shaft 5 of motor 8.Pump block 3 is fixed in the middle of the body 10, and body 10 is separated into suction chamber 9 and discharges 11 two parts in chamber.The front end of discharging chamber 11 is to be used for the waterexit end 1 that connects with conduit pipe.Pressure regulator valve 2 is installed on the waterexit end 1.The water intake 18 of pressure regulator valve 2 links with the waterexit end 1 of body 10.Conduit pipe is installed in the port of waterexit end 1.
Referring to Fig. 2, pressure regulator valve is made up of valve body, seal ring 19, piston 20, spring 21 and adjustable lever 22, and wherein valve body is made of valve seat 17, spool 14 and valve gap 12.Seal ring 19, piston 20, spring 21 and adjustable lever 22 are installed in the spool 14 of valve body.Flowing hole 15 on water intake 18 on the valve seat 17, the endoporus of seal ring 19, the spool 14 and the water outlet on the valve seat 17 16 are formed a flow channel.For anti-sealing leaks, also be provided with O RunddichtringO 13.
During use, electric wire 7 is linked to each other with switch, it is put into water, water enters in the suction chamber 9 through water inlet 6.Open switch, motor 8 drives screw rod 4 rotations.Screw rod 4 meshes while rotating in pump block 3, and water is just driven by the spiral chute on the screw rod, discharges vertically, promptly the source, water source constantly is squeezed into from suction chamber 9 and discharges in the chamber 11.Discharge in the chamber 11 and be full of water, and transfer out, clean or water operation by the conduit pipe that links with waterexit end 1 with certain pressure.When conduit pipe close or conduit pipe because of extruding, twine when being obstructed, discharge that hydraulic pressure continue to raise in the chamber 11, the piston 20 of pressure regulator valve is moved up, open flow channel, make the hydraulic pressure of discharging in the chamber 11 be limited to certain value.Rotation adjustable lever 22 can be according to conduit pipe bore and its working pressure of length setting.If conduit pipe open once more or got rid of block after, the hydraulic pressure of discharging in the chamber 11 descend, piston 20 resets under the effect of spring 21, has closed flow channel, allows machine be in optimum Working.
Referring to Fig. 3, this is the structural representation of the utility model Embodiment B.It is made up of parts such as screw arbor assembly B, pressure regulator valve B24, body B27 and motor B29, and wherein screw arbor assembly B is made of pump block B33 and screw rod B32.The main shaft B30 of screw rod B32 and motor B29 is linked together.Pump block B33 is fixed in the middle of the body B27, and body B27 is separated into suction chamber B31 and discharges two parts of chamber B34.Suction chamber B31 communicates with threeway 26.One end of threeway 26 is installed on the body B27, and an end and suction sleeve 35 link.Discharging chamber B34 is outward a support 23 of being made up of pipeline, constitutes the waterexit end B of body B27.Pressure regulator valve B24 is installed on the B of waterexit end.The waterexit end B of the water intake of pressure regulator valve B24 and body B27 links.The water outlet of pressure regulator valve B24 links by the water intake (end of threeway 26) of reflow pipe 25 with body B27.Conduit pipe is installed in the port of waterexit end B.
Pressure regulator valve B24 is identical with pressure regulator valve 2, and its working principle is the same with embodiment A with debug process.During use, suction sleeve 35 is put into pond 36, and be full of water for body B27, turn on the power switch 28, just can carry out operation.
Driving machine of the present utility model comprises motor or internal-combustion engine.Generally adopt motor as power.But, can drive with small diesel engine or petrol engine in some occasion.
Main parts size of the present utility model adopts metal or rubber to make, and design work pressure is between 0.8-1.2MPa.
Above content only is to have provided two instantiations of the present utility model, do not constitute any qualification of the present utility model, concerning those skilled in the art, obviously can pay under the situation of claims limited range, its certain change of structural type realization not breaking away from.
In conjunction with above embodiment as can be seen, the utility model compared with prior art has the following advantages:
1, it can realize turn-offing in real time current at terminal mounted valve of conduit pipe or hydraulic giant, is beneficial to using water wisely.
2, it can regulate working pressure according to conduit pipe bore and length, allows machine be in optimum Working, simultaneously, has effectively avoided sharply increasing the possibility of generation accident because of some unexpected factors cause air horsepower.
3, it is simple in structure, and is safe and reliable, cheap, and this just is the promotion and application condition of providing convenience.It both can be used as water pump and is used for irrigating, watering flowers, and also can be used for the needs occasion of shutoff current in real time, as cleaning objects, car detailing etc.
Claims (3)
1, a kind of screw pump that has pressure regulator valve, form by screw arbor assembly, pressure regulator valve, body and driving machine, it is characterized in that the screw rod of described screw arbor assembly and the main shaft of driving machine are linked together, the pump block of screw arbor assembly is fixed in the body, and the water intake of pressure regulator valve and the waterexit end of body link.
2, the screw pump that has pressure regulator valve according to claim 1 is characterized in that described pressure regulator valve is made up of valve body, seal ring, piston, spring and adjustable lever, and seal ring, piston, spring and adjustable lever are installed in the spool of valve body.
3, the screw pump that has pressure regulator valve according to claim 1 is characterized in that described driving machine comprises motor or internal-combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009143 CN2791306Y (en) | 2005-04-13 | 2005-04-13 | Screw-rod pump with pressure regulation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009143 CN2791306Y (en) | 2005-04-13 | 2005-04-13 | Screw-rod pump with pressure regulation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791306Y true CN2791306Y (en) | 2006-06-28 |
Family
ID=36807377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520009143 Expired - Fee Related CN2791306Y (en) | 2005-04-13 | 2005-04-13 | Screw-rod pump with pressure regulation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791306Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536794A (en) * | 2011-12-31 | 2012-07-04 | 重庆明珠机电有限公司 | Self-lubricating single-screw pump |
| CN103026069A (en) * | 2009-11-28 | 2013-04-03 | 罗伯特·博世有限公司 | Screw pump having an integrated pressure limiting valve |
| CN115076116A (en) * | 2022-06-29 | 2022-09-20 | 歌尔股份有限公司 | Pressure maintaining pump, pressure maintaining device and processing equipment |
-
2005
- 2005-04-13 CN CN 200520009143 patent/CN2791306Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103026069A (en) * | 2009-11-28 | 2013-04-03 | 罗伯特·博世有限公司 | Screw pump having an integrated pressure limiting valve |
| CN103026069B (en) * | 2009-11-28 | 2016-08-03 | 罗伯特·博世有限公司 | There is the screw pump of integrated pressure limiting valve |
| CN102536794A (en) * | 2011-12-31 | 2012-07-04 | 重庆明珠机电有限公司 | Self-lubricating single-screw pump |
| CN102536794B (en) * | 2011-12-31 | 2015-01-14 | 重庆明珠机电有限公司 | Self-lubricating single-screw pump |
| CN115076116A (en) * | 2022-06-29 | 2022-09-20 | 歌尔股份有限公司 | Pressure maintaining pump, pressure maintaining device and processing equipment |
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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: 20060628 |