CN203584784U - High pressure spray pump - Google Patents
High pressure spray pump Download PDFInfo
- Publication number
- CN203584784U CN203584784U CN201320741708.3U CN201320741708U CN203584784U CN 203584784 U CN203584784 U CN 203584784U CN 201320741708 U CN201320741708 U CN 201320741708U CN 203584784 U CN203584784 U CN 203584784U
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- water
- water outlet
- plunger
- hole
- pressure
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Abstract
The utility model provides a high pressure spray pump, and belongs to the technical field of high pressure pumps. The high pressure spray pump solves the problems that an existing three-cylinder plunger is usually high in manufacturing cost and large in size. The high pressure spray pump comprises a pump body, the left side of the pump body and the right side of the pump body are respectively fixedly connected with a pump cover, and high pressure water cavities are formed between the pump covers and the pump body. A water inlet channel, a water outlet channel and a plunger hole which transversely penetrate through the pump body are formed in the pump body. The two ends of the water inlet channel, the two ends of the water outlet channel and the two ends of the plunger hole are all communicated with the high pressure water cavity in the left side and the high pressure water cavity in the right side, a water inlet port and a water outlet port are formed in the middle of a water inlet through hole and the middle of a water outlet through hole respectively, both the water inlet port and the water outlet port are connected with a pressure regulating return valve, and a water inlet communicated with the water inlet port and a water outlet communicated with the water outlet port are formed in the pressure regulating return valve. The high pressure spray pump has the advantages of being high in working pressure, wide in application range, low in manufacturing cost, light in structure and the like.
Description
Technical field
The utility model belongs to high-pressure service pump technical field, refers in particular to a kind of high-pressure spray pump for agricultural, urban afforestation.
Background technique
The defects such as existing high-pressure spray pump is all to adopt three-cylinder plunger pump, and the pump housing of three-cylinder plunger pump all adopts metallic material to make, and exists cost high, bulky.
At present, claimant is at a kind of duplex plunger pump of patent of first to file, notice of authorization CN200964928Y, comprise the pump housing and and left and right end cap and water intake, water outlet, it is characterized in that pump housing inner chamber is oil pocket, the cylinder body that two cross through hole of concentric of the pump housing form communicates with oil pocket, the two ends of plunger and above-mentioned cylinder body are slidably matched, two cylinder body outer ends each with end channel connection, end passage two ends are respectively communicated with intake tunnel and exhalant canal respectively by one-way valve, the middle part of plunger has breach and is positioned at oil pocket, the eccentric wheel being solidly set on motor shaft overlaps bearing admittedly, this bearing is positioned at above-mentioned breach, eccentric rotation forms rolling friction drive plunger two ends back and forth operation in two cylinder bodies by bearing and breach two side.What above-mentioned duplex plunger pump structure adopted is that direct current generator drives, and the working pressure that can reach is limited, and there is narrow limitation in the field of application.
Summary of the invention
The purpose of this utility model is to provide a kind of high-pressure spray pump, and it,, for the defect existing in said structure, has adopted internal combustion engine drive, working pressure is high, be provided with pressure regulation back-water valve (BWV) and avoided pressure overload to damage machine, complete machine adopts plastic materials to make, simple in structure, cost is low.
The purpose of this utility model is achieved in that
A kind of high-pressure spray pump, comprise the pump housing, a left side for the described pump housing, right both sides are all fixedly connected with pump cover, between pump cover and the pump housing, all form high-pressure water chamber, on the described pump housing, offer the intake tunnel that laterally runs through the pump housing, exhalant canal and plunger hole, described intake tunnel, the two ends of exhalant canal and plunger hole are all with left, right both sides high-pressure water chamber is connected, in plunger hole, be provided with and pass through plunger, described plunger drives to-and-fro motion to make to form negative pressure in high-pressure water chamber by driving mechanism and sucks current, described water inlet through hole and the two ends of water outlet through hole are respectively equipped with water feeding one-way valve and go out water one-way valve, it is characterized in that: described water inlet through hole, the middle part of water outlet through hole is respectively arranged with into water interface, water outlet mouthpiece, described water inlet interface, water outlet mouthpiece is all connected with pressure regulation back-water valve (BWV), on pressure regulation back-water valve (BWV), offer the water intake that is communicated with water inlet interface and the water outlet that is communicated with water outlet mouthpiece.
In above-mentioned high-pressure spray pump, the concrete structure of described pressure regulation back-water valve (BWV) is: comprise valve body in a tubular form, the upper end of valve body is provided with air chamber, lower end is provided with adjusting pressuring knob; One side of valve body is provided with the attachment hole of corresponding water inlet interface, water outlet mouthpiece setting; The top of opposite side is provided with that pressure gauge, middle part are provided with water outlet, bottom is provided with water intake, the inwall of valve body is provided with the step that is positioned at water outlet downside, in valve body, be provided with the valve ball that withstands on step place, valve ball rear side is provided with valve seat, adjusting pressuring knob is connected with spiral pressure regulation bar, between spiral pressure regulation bar and valve seat, is provided with Returnning spring.
In above-mentioned high-pressure spray pump, the described pump housing is connected with internal-combustion engine by land.
In above-mentioned high-pressure spray pump, the concrete structure of described driving mechanism is: the middle part of plunger offers groove, capacity eccentric bearing is connected in the groove of plunger, internal combustion engine output shaft and capacity eccentric bearing are fixed and are with it to rotate, and the cell wall of capacity eccentric bearing and groove forms rolling friction drive plunger axially reciprocating.
The utility model compared to existing technology outstanding and useful technique effect is:
1, of the present utility model simple in structure, by plunger to-and-fro motion of internal combustion engine drive, realize two hyperbaric chambers and suck in turn, send current, working pressure is high.
2, overall structure of the present utility model is adopted made of plasticly, and cost of production is low compared to prior art, and structure is light and handy.
3, the utility model is for the pesticide spraying of agricultural, urban afforestation.
Accompanying drawing explanation
Fig. 1 is that schematic diagram cuts open in structure of the present utility model office.
Fig. 2 is A-A cross section view in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 1-2:
A kind of high-pressure spray pump, comprise the pump housing 1, a left side for the described pump housing, right both sides are all fixedly connected with pump cover 2, between pump cover and the pump housing, all form high-pressure water chamber 3, on the described pump housing, offer the intake tunnel 4 that laterally runs through the pump housing, exhalant canal 5 and plunger hole 6, described intake tunnel, the two ends of exhalant canal and plunger hole are all with left, right both sides high-pressure water chamber is connected, in plunger hole, be provided with by plunger 26, described plunger drives to-and-fro motion to make to form negative pressure in high-pressure water chamber by driving mechanism and sucks current, described water inlet through hole and the two ends of water outlet through hole are respectively equipped with water feeding one-way valve 7 and go out water one-way valve 8, it is characterized in that: described water inlet through hole, the middle part of water outlet through hole is respectively arranged with into water interface 9, water outlet mouthpiece 10, described water inlet interface, water outlet mouthpiece is all connected with pressure regulation back-water valve (BWV) 11, on pressure regulation back-water valve (BWV), offer the water intake 12 that is communicated with water inlet interface and the water outlet 13 that is communicated with water outlet mouthpiece.
The concrete structure of described pressure regulation back-water valve (BWV) is: comprise valve body 14 in a tubular form, the upper end of valve body is provided with air chamber 15, lower end is provided with adjusting pressuring knob 16; One side of valve body is provided with the attachment hole 17 of corresponding water inlet interface, water outlet mouthpiece setting; The top of opposite side is provided with that pressure gauge 18, middle part are provided with water outlet, bottom is provided with water intake, the inwall of valve body is provided with the step 19 that is positioned at water outlet downside, in valve body, be provided with the valve ball 20 that withstands on step place, valve ball rear side is provided with valve seat 25, adjusting pressuring knob is connected with spiral pressure regulation bar 21, is provided with Returnning spring 22 between spiral pressure regulation bar and valve seat.
The described pump housing is connected with internal-combustion engine by land 24.
The concrete structure of described driving mechanism is: the middle part of plunger 26 offers groove, capacity eccentric bearing 23 is connected in the groove of plunger, internal combustion engine output shaft and capacity eccentric bearing are fixed and are with it to rotate, and the cell wall of capacity eccentric bearing and groove forms rolling friction drive plunger axially reciprocating.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (4)
1. a high-pressure spray pump, comprise the pump housing (1), a left side for the described pump housing, right both sides are all fixedly connected with pump cover (2), between pump cover and the pump housing, all form high-pressure water chamber (3), on the described pump housing, offer the intake tunnel (4) that laterally runs through the pump housing, exhalant canal (5) and plunger hole (6), described intake tunnel, the two ends of exhalant canal and plunger hole are all with left, right both sides high-pressure water chamber is connected, in plunger hole, be provided with by plunger (26), described plunger drives to-and-fro motion to make to form negative pressure in high-pressure water chamber by driving mechanism and sucks current, described water inlet through hole and the two ends of water outlet through hole are respectively equipped with water feeding one-way valve (7) and go out water one-way valve (8), it is characterized in that: described water inlet through hole, the middle part of water outlet through hole is respectively arranged with into water interface (9), water outlet mouthpiece (10), described water inlet interface, water outlet mouthpiece is all connected with pressure regulation back-water valve (BWV) (11), on pressure regulation back-water valve (BWV), offer the water intake (12) that is communicated with water inlet interface and the water outlet (13) that is communicated with water outlet mouthpiece.
2. a kind of high-pressure spray pump according to claim 1, it is characterized in that: the concrete structure of described pressure regulation back-water valve (BWV) is: comprise valve body (14) in a tubular form, the upper end of valve body is provided with air chamber (15), lower end is provided with adjusting pressuring knob (16); One side of valve body is provided with the attachment hole (17) of corresponding water inlet interface, water outlet mouthpiece setting; The top of opposite side is provided with that pressure gauge (18), middle part are provided with water outlet, bottom is provided with water intake, the inwall of valve body is provided with the step (19) that is positioned at water outlet downside, in valve body, be provided with the valve ball (20) that withstands on step place, valve ball rear side is provided with valve seat (25), adjusting pressuring knob is connected with spiral pressure regulation bar (21), is provided with Returnning spring (22) between spiral pressure regulation bar and valve seat.
3. a kind of high-pressure spray pump according to claim 1, is characterized in that: the described pump housing is connected with internal-combustion engine by land (24).
4. a kind of high-pressure spray pump according to claim 1, it is characterized in that: the concrete structure of described driving mechanism is: the middle part of plunger (26) offers groove, capacity eccentric bearing (23) is connected in the groove of plunger, internal combustion engine output shaft and capacity eccentric bearing are fixed and are with it to rotate, and the cell wall of capacity eccentric bearing and groove forms rolling friction drive plunger axially reciprocating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320741708.3U CN203584784U (en) | 2013-11-08 | 2013-11-08 | High pressure spray pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320741708.3U CN203584784U (en) | 2013-11-08 | 2013-11-08 | High pressure spray pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584784U true CN203584784U (en) | 2014-05-07 |
Family
ID=50582716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320741708.3U Expired - Fee Related CN203584784U (en) | 2013-11-08 | 2013-11-08 | High pressure spray pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203584784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105433886A (en) * | 2016-01-22 | 2016-03-30 | 宁波德润堂智能科技有限公司 | Water feeding mechanism of water spraying mop |
| US10968899B2 (en) | 2015-11-20 | 2021-04-06 | Positec Power Tools (Suzhou) Co., Ltd. | Pump unit and handheld high pressure washer |
-
2013
- 2013-11-08 CN CN201320741708.3U patent/CN203584784U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10968899B2 (en) | 2015-11-20 | 2021-04-06 | Positec Power Tools (Suzhou) Co., Ltd. | Pump unit and handheld high pressure washer |
| USRE49589E1 (en) | 2015-11-20 | 2023-07-25 | Positec Power Tools (Suzhou) Co., Ltd | Pump unit and handheld high pressure washer |
| CN105433886A (en) * | 2016-01-22 | 2016-03-30 | 宁波德润堂智能科技有限公司 | Water feeding mechanism of water spraying mop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140507 Termination date: 20171108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |