CN103470493B - A kind of pump head - Google Patents
A kind of pump head Download PDFInfo
- Publication number
- CN103470493B CN103470493B CN201310413445.8A CN201310413445A CN103470493B CN 103470493 B CN103470493 B CN 103470493B CN 201310413445 A CN201310413445 A CN 201310413445A CN 103470493 B CN103470493 B CN 103470493B
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- Prior art keywords
- water
- valve
- pump head
- supplying chamber
- chamber
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The invention provides a kind of pump head, belong to pump head technical field.It solving the pressure adjusting structure design existing defects of current pump head, pump housing delivery port cannot the selective problem such as use.This pump head, cylinder body group, intake chamber and water-supplying chamber including composition pump head, it is mounted in several cylinder bodies of cylinder body group being driven, by drive mechanism, the plunger moved back and forth, the inlet opening and apopore connected with inner chamber of cylinder block is all offered on several described cylinder bodies, several inlet openings are all connected with intake chamber, several apopores are all connected with water-supplying chamber, it is equipped with check valve on inlet opening and apopore, described pump head is provided with the pressure regulation back-water valve (BWV) that the water in water-supplying chamber is back to after the hydraulic pressure in water-supplying chamber transships intake chamber or low pressure water source.The present invention has automatic water-returning release, multiple delivery port selectively uses, advantages of simple structure and simple.
Description
Technical field
The invention belongs to pump head technical field, refer in particular to a kind of pump head.
Background technology
The application of jetting machine is quite varied, and such as the cleaning in family, garden and garage, wherein the key position of jetting machine is its pump head, and the structure design of pump head has directly influenced the output pressure of cleaning machine, service life etc..
Fuel engines or pump head self is damaged in order to prevent pump head from producing pressure overload; pressure adjusting structure it is typically provided with in pump head; the security used with protection high-pressure pump; at present; the pump head with pressure adjusting structure is of all kinds; such as pressure adjusting structure is a kind of ball-and-spring valve, but ball-and-spring valve easily produces ball spool jam in valve pocket, and the specific design of pressure adjusting structure has directly influenced again processing ease and the production cost of pump head.
Summary of the invention
It is an object of the invention to provide a kind of pump head, the pressure after the water under high pressure that several cylinder bodies are discharged by it converges is adjusted by pressure regulation back-water valve (BWV), and hydraulic pressure overload will drain into release at water by water under high pressure, is effectively protected pump head and combustion engine.
The object of the present invention is achieved like this:
A kind of pump head, cylinder body group including composition pump head, intake chamber and water-supplying chamber, it is mounted in several cylinder bodies of cylinder body group being driven, by drive mechanism, the plunger moved back and forth, it is characterized in that: on several described cylinder bodies, all offer the inlet opening and apopore connected with inner chamber of cylinder block, several inlet openings are all connected with intake chamber, several apopores are all connected with water-supplying chamber, it is equipped with check valve on inlet opening and apopore, the pressure regulation back-water valve (BWV) that after the hydraulic pressure in water-supplying chamber transships, the water in water-supplying chamber is back to intake chamber or low pressure water source it is provided with on described pump head.
In above-mentioned a kind of pump head, described inlet opening is positioned at the front side of cylinder body, is provided with the spring valve can opened under cylinder inner suction in inlet opening.
In above-mentioned a kind of pump head, described apopore is positioned at the upside of cylinder body, is fixed with the spring valve can opened under cylinder inner high voltage water effect in apopore.
In above-mentioned a kind of pump head, described water-supplying chamber connects multiple ball valve joint, and multiple ball valve joints can open and use simultaneously or select to partially open use.
In above-mentioned a kind of pump head, the concrete structure of described pressure regulation back-water valve (BWV) is: offers groove in cylinder body group and forms valve pocket, it is provided with the valve rod that can within it slide in valve pocket and is arranged on the valve seat in the middle part of valve pocket inwall, it is provided with spool on valve rod on the upside of valve seat, the piston that the lower end of valve rod is arranged contacts with valve pocket inner wall sealing, upper end is provided with the adjusting knob being fixed on water-supplying chamber's housing, it is provided with spring between upper end and the adjusting knob of spool, the bottom of valve pocket is provided with the pressure-sensitive room connected with water-supplying chamber, backwater hole is offered on valve pocket inwall on the downside of valve seat, the water under high pressure of water-supplying chamber promotes shipper pole movable valve plug on valve rod to depart from valve seat, the water under high pressure making water-supplying chamber enters backwater hole at valve seat.
In above-mentioned a kind of pump head, described intake chamber is bolted on the side of cylinder body.
In above-mentioned a kind of pump head, described water-supplying chamber is bolted on the upside of cylinder body.
The present invention highlights and useful having the technical effect that compared to existing technology
1, the pressure regulation back-water valve (BWV) that the present invention is arranged can manually set overload pressure value, it is achieved closes rifle pump head automatic deloading, and pump head is not shut down, and shooting is resumed work rapidly.
2, the pump head of the present invention is provided with the delivery port that several are independent, when all delivery ports are closed, it is achieved pump head automatic water-returning, it is to avoid pressure overload causes drive mechanism to be burnt.
3, it is respectively provided with check valve on the inlet opening of the present invention and apopore, prevents flow backwards phenomenon from producing.
4, the structure design of the present invention is simple, novel, it is adaptable on the various pumps header structures such as three cylinder pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is B-B profile in Fig. 2.
Fig. 4 is C-C profile in Fig. 2.
Fig. 5 is D-D profile in Fig. 2.
Fig. 6 is A-A profile in Fig. 1.
Detailed description of the invention
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings, sees Fig. 16:
A kind of pump head, including the composition cylinder body group 1 of pump head, intake chamber 2 and water-supplying chamber 3, it is mounted in several cylinder bodies of cylinder body group being driven, by drive mechanism, the plunger moved back and forth, the inlet opening 4 connected with inner chamber of cylinder block and apopore 5 is all offered on several described cylinder bodies, several inlet openings are all connected with intake chamber, several apopores are all connected with water-supplying chamber, it is equipped with check valve on inlet opening and apopore, described pump head is provided with the pressure regulation back-water valve (BWV) 6 that the water in water-supplying chamber is back to after the hydraulic pressure in water-supplying chamber transships intake chamber or low pressure water source.
The operation principle of the present invention is: be to offer water stream channel (also referred to as pressure sensing passageway) in cylinder body group, this water stream channel is interconnected is formed by horizontal pipeline 15 and vertical pipeline 16, the most vertical pipeline 16 is connected with the valve pocket bottom of pressure regulation back-water valve (BWV) 6, when the hydraulic pressure in water-supplying chamber transships, pressure regulation back-water valve (BWV) 6 is opened by current by water stream channel so that the water in water-supplying chamber flow to intake chamber or water source by pressure regulation back-water valve (BWV) 6.
Above-mentioned inlet opening is positioned at the front side of cylinder body, is provided with the spring valve 7 can opened under cylinder inner suction in inlet opening.
Above-mentioned apopore is positioned at the upside of cylinder body, is fixed with the spring valve 7 can opened under cylinder inner high voltage water effect in apopore.Water-supplying chamber connects transmission pressure to pressure regulation back-water valve (BWV) 6 with water stream channel, the water under high pressure got in several apopores all converges in water-supplying chamber, connect in water-supplying chamber and have multiple ball valve joint 8, multiple ball valve joints can open and use simultaneously or select to partially open use, all can connect the injection structures such as spray gun on each ball valve joint, if a bar spray gun only need to be used, then close remaining ball valve joint, when the spray gun used is turned off, then form backwater in pump.
In the present invention, by high-visible in Fig. 1, above-mentioned ball valve joint is three, but the present invention is not limited to the change of ball valve joint number, and multiple plunger cases all connect water-supplying chamber；The water out adapter of multiple connection injection structure is set in water-supplying chamber；The different number of water out adapter of alternative use, above for present configuration design concept place.
The concrete structure of above-mentioned pressure regulation back-water valve (BWV) is: offers groove in cylinder body group and forms valve pocket 9, it is provided with the valve rod 10 that can within it slide in valve pocket and is arranged on the valve seat 110 in the middle part of valve pocket inwall, spool 100 it is provided with on valve rod on the upside of valve seat, the piston 11 that the lower end of valve rod is arranged contacts with valve pocket inner wall sealing, upper end is provided with the adjusting knob 12 being fixed on water-supplying chamber's housing, it is provided with spring 13 between upper end and the adjusting knob of spool, the bottom of valve pocket is provided with the pressure-sensitive room 90 connected with water-supplying chamber, backwater hole 14 is offered on valve pocket inwall on the downside of valve seat, the water under high pressure of water-supplying chamber promotes shipper pole movable valve plug on valve rod to depart from valve seat, the water under high pressure making water-supplying chamber enters backwater hole at valve seat.
The pressure of return water of pressure regulation back-water valve (BWV) sets the compression degree depending on its spring, and the compression of spring is the biggest, and the hydraulic pressure of the water under high pressure that required promotion valve rod moves is the biggest, i.e. the highest hydraulic pressure in water-supplying chamber increases, and have adjusted the hydraulic pressure pumping out water, has reached the effect of pressure regulation.
Above-mentioned intake chamber is bolted on the side of cylinder body.
Above-mentioned water-supplying chamber is bolted on the upside of cylinder body.
Above-described embodiment is only presently preferred embodiments of the present invention, limits the scope of the invention the most according to this, therefore: the equivalence change that all structures under this invention, shape, principle are done, within protection scope of the present invention all should being covered by.
Claims (6)
1. a pump head, including the composition cylinder body group (1) of pump head, intake chamber (2) and water-supplying chamber (3),
It is mounted in several cylinder bodies of cylinder body group being driven, by drive mechanism, the plunger moved back and forth, it is characterised in that:
The inlet opening (4) and apopore (5) connected with inner chamber of cylinder block is all offered on several described cylinder bodies, if
A dry inlet opening is all connected with intake chamber, and several apopores are all connected with water-supplying chamber, inlet opening and apopore
On be equipped with check valve, described pump head is provided with when in water-supplying chamber hydraulic pressure transship after by water-supplying chamber
Water is back to the pressure regulation back-water valve (BWV) (6) at intake chamber or low pressure water source；The concrete structure of described pressure regulation back-water valve (BWV)
It is: offer groove in cylinder body group and form valve pocket (9), in valve pocket, be provided with the valve rod (10) that can within it slide
And it is arranged on the valve seat (110) in the middle part of valve pocket inwall, the valve rod on the upside of valve seat is provided with spool (100),
The lower end of valve rod is provided with the piston (11) that contacts with valve pocket inner wall sealing, upper end is provided with and is fixed on water-supplying chamber
Adjusting knob (12) on housing, is provided with spring (13), valve pocket between upper end and the adjusting knob of spool
Bottom be provided with the pressure-sensitive room (90) connected with water-supplying chamber, the valve pocket inwall on the downside of valve seat offers back
Water hole (14), the water under high pressure of water-supplying chamber promotes shipper pole movable valve plug on valve rod to depart from valve seat, makes the height of water-supplying chamber
Setting-out enters backwater hole at valve seat.
A kind of pump head the most according to claim 1, it is characterised in that: described inlet opening is positioned at
The front side of cylinder body, is provided with the spring valve (7) can opened under cylinder inner suction in inlet opening.
A kind of pump head the most according to claim 1, it is characterised in that: described apopore is positioned at
The upside of cylinder body, is fixed with the spring valve (7) can opened under cylinder inner high voltage water effect in apopore.
A kind of pump head the most according to claim 1, it is characterised in that: described water-supplying chamber connects
Having multiple ball valve joint (8), multiple ball valve joints can open and use simultaneously or select to partially open use.
A kind of pump head the most according to claim 1, it is characterised in that: described intake chamber passes through
It is bolted to the side of cylinder body.
A kind of pump head the most according to claim 1, it is characterised in that: described water-supplying chamber passes through
It is bolted to the upside of cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413445.8A CN103470493B (en) | 2013-09-11 | 2013-09-11 | A kind of pump head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413445.8A CN103470493B (en) | 2013-09-11 | 2013-09-11 | A kind of pump head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470493A CN103470493A (en) | 2013-12-25 |
| CN103470493B true CN103470493B (en) | 2016-09-07 |
Family
ID=49795487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310413445.8A Expired - Fee Related CN103470493B (en) | 2013-09-11 | 2013-09-11 | A kind of pump head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103470493B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179225B (en) * | 2015-09-24 | 2019-01-18 | 上海亿力电器有限公司 | A kind of water outlet cavity configuration of high-pressure pump |
| CN108358254B (en) * | 2018-03-26 | 2021-03-30 | 上海瀑润科技发展有限公司 | Modified water, and modification method and application thereof |
| CN111188683B (en) * | 2020-03-16 | 2020-12-01 | 浙江优佳农业机械科技有限公司 | High-pressure pump |
| CN117999130A (en) * | 2021-09-30 | 2024-05-07 | 添可智能科技有限公司 | Cleaning device and pump structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5564469A (en) * | 1994-03-23 | 1996-10-15 | Flow International Corporation | Erosion resistant high pressure relief valve |
| CN2902486Y (en) * | 2005-07-20 | 2007-05-23 | 浙江大农机械有限公司 | Cylinder structure of inclined disc type high pressure cleaning machine |
| CN101463811A (en) * | 2008-09-11 | 2009-06-24 | 浙江大农实业有限公司 | Pressure-regulating spilling system of plunger type high-pressure water pump |
| CN202301000U (en) * | 2011-08-31 | 2012-07-04 | 宁波蓝达实业有限公司 | Self-sucking pump used in high pressure washer |
| CN203570572U (en) * | 2013-09-11 | 2014-04-30 | 浙江大农实业有限公司 | High pressure pump head |
-
2013
- 2013-09-11 CN CN201310413445.8A patent/CN103470493B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5564469A (en) * | 1994-03-23 | 1996-10-15 | Flow International Corporation | Erosion resistant high pressure relief valve |
| CN2902486Y (en) * | 2005-07-20 | 2007-05-23 | 浙江大农机械有限公司 | Cylinder structure of inclined disc type high pressure cleaning machine |
| CN101463811A (en) * | 2008-09-11 | 2009-06-24 | 浙江大农实业有限公司 | Pressure-regulating spilling system of plunger type high-pressure water pump |
| CN202301000U (en) * | 2011-08-31 | 2012-07-04 | 宁波蓝达实业有限公司 | Self-sucking pump used in high pressure washer |
| CN203570572U (en) * | 2013-09-11 | 2014-04-30 | 浙江大农实业有限公司 | High pressure pump head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470493A (en) | 2013-12-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 318050, Zhejiang Province, Luqiao District, Taizhou Province town of clouds under the side street Applicant after: ZHEJIANG DANAU INDUSTRIES Co.,Ltd. Address before: 318050, Zhejiang Province, Luqiao District, Taizhou Province town of clouds under the side street Applicant before: ZHEJIANG DANAU MACHINERY Co.,Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG DANONG INDUSTRIAL CO., LTD. TO: ZHEJIANG DANAU INDUSTRIES CO., LTD. |
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| 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: 20160907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |