CN103470493A - High-pressure pump head - Google Patents
High-pressure pump head Download PDFInfo
- Publication number
- CN103470493A CN103470493A CN2013104134458A CN201310413445A CN103470493A CN 103470493 A CN103470493 A CN 103470493A CN 2013104134458 A CN2013104134458 A CN 2013104134458A CN 201310413445 A CN201310413445 A CN 201310413445A CN 103470493 A CN103470493 A CN 103470493A
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- water
- valve
- pump head
- chamber
- high pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The invention provides a high-pressure pump head, and belongs to the technical field of high-pressure pump heads. Problems that the pressure adjusting structure design of a high-pressure pump head at present has defects and a water outlet of a pump body can not be used selectively are solved. The high-pressure pump head comprises a cylinder block group, a water inlet chamber and a water outlet chamber, wherein plungers which are driven to move by driving mechanisms in a reciprocating manner are arranged in a plurality of cylinder blocks of the cylinder block group; each cylinder block is provided with a water inlet hole and a water outlet hole which are communicated with the inner cavity of the cylinder block; the water inlet holes are communicated with the water inlet chamber; the water outlet holes are connected to the water outlet chamber; each water inlet hole is provided with a one-way valve; each water outlet hole is also provided with a one-way valve; and the pump head is provided with a pressure adjusting back-water valve which is used for leading water in the water outlet chamber to flow back to the water inlet chamber or a low-pressure water source when the pressure of water in the water outlet chamber is in an overload state. The high-pressure pump head has the advantages that the water can automatically return to relieve pressure, the water outlet holes can be used selectively, the structure is simple, and the like.
Description
Technical field
The invention belongs to high pressure pump head technical field, refer in particular to a kind of high pressure pump head.
Background technique
The application of jetting machine is very extensive, and as the cleaning in family, garden and garage, wherein the key position of jetting machine is its pump head, and the structural design of pump head has directly had influence on delivery pressure, working life of washing machine etc.
In order to prevent that pump head from producing the pressure overload and damaging fuel engine or pump head self; in pump head, operated by rotary motion has pressure adjusting structure; the Security of using with the protection high-pressure service pump; at present; pump head with pressure adjusting structure is of all kinds; for example pressure adjusting structure is a kind of ball-and-spring valve, but that ball-and-spring valve easily produces the ball valve core is stuck in valve pocket, and the specific design of pressure adjusting structure has directly had influence on again the simple and easy degree of processing and the cost of production of pump head.
Summary of the invention
The purpose of this invention is to provide a kind of high pressure pump head, the pressure after the high pressure water that it discharges several cylinder bodies converges is regulated by the pressure regulation back-water valve (BWV), and the hydraulic pressure overload is about to high pressure water and drains into into the release of water place, has effectively protected pump head and combustion engine.
The object of the present invention is achieved like this:
A kind of high pressure pump head, comprise the cylinder body group that forms pump head, intake chamber and water-supplying chamber, all be equipped with in several cylinder bodies of cylinder body group by driving mechanism and drive the plunger moved back and forth, it is characterized in that: all offer water inlet and the osculum be communicated with inner chamber of cylinder block on described several cylinder bodies, several water inlets all are connected with intake chamber, several osculums all connect water-supplying chamber, be equipped with one-way valve on water inlet and osculum, be provided with the pressure regulation back-water valve (BWV) that the water in water-supplying chamber is back to after hydraulic pressure in water-supplying chamber overload to intake chamber or low pressure water source on described pump head.
In above-mentioned a kind of high pressure pump head, described water inlet is positioned at the front side of cylinder body, is provided with the spring valve that can open under the cylinder inner suction in water inlet.
In above-mentioned a kind of high pressure pump head, described osculum is positioned at the upside of cylinder body, is fixed with the spring valve that can open under the effect of cylinder inner high voltage water in osculum.
In above-mentioned a kind of high pressure pump head, described water-supplying chamber is connected with a plurality of ball valve joints, and a plurality of ball valve joints can open and use simultaneously or select part to open and use.
In above-mentioned a kind of high pressure pump head, the concrete structure of described pressure regulation back-water valve (BWV) is: offer groove on the cylinder body group and form valve pocket, be provided with the valve rod that can slide in valve pocket within it and be arranged on the valve seat at valve pocket inwall middle part, be provided with spool on the valve rod of valve seat upside, the piston that the lower end of valve rod arranges contacts with the valve pocket inner wall sealing, upper end is provided with the adjusting knob be fixed on water-supplying chamber's housing, be provided with spring between the upper end of spool and adjusting knob, the bottom of valve pocket is provided with the pressure-sensitive chamber be communicated with water-supplying chamber, offer backwater hole on the valve pocket inwall of valve seat downside, the high pressure water of water-supplying chamber promotes shipper pole movable valve plug on valve rod and breaks away from valve seat, make the high pressure water of water-supplying chamber enter backwater hole from valve seat.
In above-mentioned a kind of high pressure pump head, described intake chamber is bolted on a side of cylinder body.
In above-mentioned a kind of high pressure pump head, described water-supplying chamber is bolted on the upside of cylinder body.
The present invention's outstanding and useful technique effect compared to existing technology is:
1, the pressure regulation back-water valve (BWV) of setting of the present invention can manually be set the overload pressure value, realizes closing the automatic deloading of rifle pump head, and pump head is not shut down, and shooting is resumed work rapidly.
2, pump head of the present invention is provided with several independently water outlets, when all water outlets are closed, realizes the pump head automatic water-returning, has avoided the pressure overload to cause driving mechanism to burn.
3, on water inlet of the present invention and osculum, one-way valve all is set, prevents that the flow backwards phenomenon from producing.
4, structural design of the present invention is simple, novel, is applicable on the various pumps header structures such as triplex pump.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is B-B sectional drawing in Fig. 2.
Fig. 4 is C-C sectional drawing in Fig. 2.
Fig. 5 is D-D sectional drawing in Fig. 2.
Fig. 6 is A-A sectional drawing in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the invention will be further described, referring to Fig. 1-6:
A kind of high pressure pump head, comprise the cylinder body group 1 that forms pump head, intake chamber 2 and water-supplying chamber 3, all be equipped with in several cylinder bodies of cylinder body group by driving mechanism and drive the plunger moved back and forth, all offer the water inlet 4 and the osculum 5 that are communicated with inner chamber of cylinder block on described several cylinder bodies, several water inlets all are connected with intake chamber, several osculums all connect water-supplying chamber, be equipped with one-way valve on water inlet and osculum, be provided with the pressure regulation back-water valve (BWV) 6 that the water in water-supplying chamber is back to after hydraulic pressure in water-supplying chamber overload to intake chamber or low pressure water source on described pump head.
Working principle of the present invention is: be to offer flow channel (also claiming the pressure-sensitive passage) in the cylinder body group, this flow channel is interconnected and is formed by horizontal pipeline 15 and vertical pipeline 16, wherein 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, current are opened pressure regulation back-water valve (BWV) 6 by flow channel, make the water in water-supplying chamber flow to intake chamber or water source by pressure regulation back-water valve (BWV) 6.
Above-mentioned water inlet is positioned at the front side of cylinder body, is provided with the spring valve 7 that can open under the cylinder inner suction in water inlet.
Above-mentioned osculum is positioned at the upside of cylinder body, is fixed with the spring valve 7 that can open under the effect of cylinder inner high voltage water in osculum.Water-supplying chamber is communicated with transmission of pressure to pressure regulation back-water valve (BWV) 6 with flow channel, the high pressure water of getting in several osculums all converges in water-supplying chamber, be connected with a plurality of ball valve joints in water-supplying chamber, a plurality of ball valve joints can open and use simultaneously or select part to open and use, all can connect the spraying structures such as spray gun on each ball valve joint, if only need use a bar spray gun, close remaining ball valve joint to get final product, when the spray gun used all cuts out, in pump, form backwater.
In the present invention, 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 a plurality of plunger cases all are communicated with water-supplying chamber; The water output connector of a plurality of connection spraying structures is set in water-supplying chamber; The alternative water output connector that uses different numbers is more than Structural design idea of the present invention place.
The concrete structure of above-mentioned pressure regulation back-water valve (BWV) is: offer groove on the cylinder body group and form valve pocket 9, be provided with the valve rod 10 that can slide in valve pocket within it and be arranged on the valve seat 110 at valve pocket inwall middle part, be provided with spool 100 on the valve rod of valve seat upside, the piston 11 that the lower end of valve rod arranges contacts with the valve pocket inner wall sealing, upper end is provided with the adjusting knob 12 be fixed on water-supplying chamber's housing, be provided with spring 13 between the upper end of spool and adjusting knob, the bottom of valve pocket is provided with the pressure-sensitive chamber 90 be communicated with water-supplying chamber, offer backwater hole 14 on the valve pocket inwall of valve seat downside, the high pressure water of water-supplying chamber promotes shipper pole movable valve plug on valve rod and breaks away from valve seat, make the high pressure water of water-supplying chamber enter backwater hole from valve seat.
The pressure of return water of pressure regulation back-water valve (BWV) is set the compression degree that depends on its spring, the compression of spring is larger, and the hydraulic pressure of the high pressure water moved on required promotion valve rod is just larger, and the highest hydraulic pressure in water-supplying chamber increases, regulate the hydraulic pressure that pumps water, reached the effect of pressure regulation.
Above-mentioned intake chamber is bolted on a side of cylinder body.
Above-mentioned water-supplying chamber is bolted on the upside of cylinder body.
Above-described embodiment is only preferred embodiment of the present invention, not limits the scope of the invention according to this, therefore: all equivalences of doing according to structure of the present invention, shape, principle change, within all should being covered by protection scope of the present invention.
Claims (7)
1. a high pressure pump head, comprise the cylinder body group (1) that forms pump head, intake chamber (2) and water-supplying chamber (3), all be equipped with in several cylinder bodies of cylinder body group by driving mechanism and drive the plunger moved back and forth, it is characterized in that: all offer the water inlet (4) and the osculum (5) that are communicated with inner chamber of cylinder block on described several cylinder bodies, several water inlets all are connected with intake chamber, several osculums all connect water-supplying chamber, be equipped with one-way valve on water inlet and osculum, be provided with the pressure regulation back-water valve (BWV) (6) that the water in water-supplying chamber is back to after hydraulic pressure in water-supplying chamber overload to intake chamber or low pressure water source on described pump head.
2. a kind of high pressure pump head according to claim 1, it is characterized in that: described water inlet is positioned at the front side of cylinder body, is provided with the spring valve (7) that can open under the cylinder inner suction in water inlet.
3. a kind of high pressure pump head according to claim 1, it is characterized in that: described osculum is positioned at the upside of cylinder body, is fixed with the spring valve (7) that can open under the effect of cylinder inner high voltage water in osculum.
4. a kind of high pressure pump head according to claim 1, it is characterized in that: described water-supplying chamber is connected with a plurality of ball valve joints (8), and a plurality of ball valve joints can open and use simultaneously or select part to open and use.
5. a kind of high pressure pump head according to claim 1, it is characterized in that: the concrete structure of described pressure regulation back-water valve (BWV) is: offer groove on the cylinder body group and form valve pocket (9), be provided with the valve rod (10) that can slide in valve pocket within it and be arranged on the valve seat (110) at valve pocket inwall middle part, be provided with spool (100) on the valve rod of valve seat upside, the piston (11) that the lower end of valve rod arranges contacts with the valve pocket inner wall sealing, upper end is provided with the adjusting knob (12) be fixed on water-supplying chamber's housing, be provided with spring (13) between the upper end of spool and adjusting knob, the bottom of valve pocket is provided with the pressure-sensitive chamber (90) be communicated with water-supplying chamber, offer backwater hole (14) on the valve pocket inwall of valve seat downside, the high pressure water of water-supplying chamber promotes shipper pole movable valve plug on valve rod and breaks away from valve seat, make the high pressure water of water-supplying chamber enter backwater hole from valve seat.
6. a kind of high pressure pump head according to claim 1, it is characterized in that: described intake chamber is bolted on a side of cylinder body.
7. a kind of high pressure pump head according to claim 1, it is characterized in that: described water-supplying chamber is bolted on 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 true CN103470493A (en) | 2013-12-25 |
| CN103470493B CN103470493B (en) | 2016-09-07 |
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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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179225A (en) * | 2015-09-24 | 2015-12-23 | 上海亿力电器有限公司 | Water outlet cavity structure of high-pressure pump |
| CN108358254A (en) * | 2018-03-26 | 2018-08-03 | 上海瀑润科技发展有限公司 | A kind of modified water and its method of modifying, application |
| CN111188683A (en) * | 2020-03-16 | 2020-05-22 | 浙江优佳农业机械科技有限公司 | High-pressure pump |
| WO2023050437A1 (en) * | 2021-09-30 | 2023-04-06 | 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179225A (en) * | 2015-09-24 | 2015-12-23 | 上海亿力电器有限公司 | Water outlet cavity structure of high-pressure pump |
| CN108358254A (en) * | 2018-03-26 | 2018-08-03 | 上海瀑润科技发展有限公司 | A kind of modified water and its method of modifying, application |
| 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 |
| CN111188683A (en) * | 2020-03-16 | 2020-05-22 | 浙江优佳农业机械科技有限公司 | High-pressure pump |
| WO2023050437A1 (en) * | 2021-09-30 | 2023-04-06 | 添可智能科技有限公司 | Cleaning device and pump structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470493B (en) | 2016-09-07 |
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| 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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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 |