CN202690411U - High-pressure plunger pump for washing machine - Google Patents
High-pressure plunger pump for washing machine Download PDFInfo
- Publication number
- CN202690411U CN202690411U CN 201220258109 CN201220258109U CN202690411U CN 202690411 U CN202690411 U CN 202690411U CN 201220258109 CN201220258109 CN 201220258109 CN 201220258109 U CN201220258109 U CN 201220258109U CN 202690411 U CN202690411 U CN 202690411U
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- way valve
- water
- pressure
- plunger
- pressure chamber
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Abstract
The utility model belongs to the technical field of plunger pumps, in particular to a high-pressure plunger pump for a washing machine. The high-pressure plunger pump comprises a cylinder body component and a crankcase. More than two connecting rods are sleeved on a crankshaft in the crankcase. A plunger is hinged with each connecting rod. The front end of each plunger is extended into a corresponding plunger hole in a cylinder body of the cylinder body component. The crankshaft rotates to drive the plungers to reciprocally move in the plunger holes. The front part of each plunger hole is communicated with a corresponding pressure cavity. An opening is formed on the upper part of each pressure cavity. All openings are sealed by a pressure plate. An outlet check valve is arranged above an inlet check valve in each pressure cavity. Water inlets of the inlet check valves are communicated with water inlet pipelines on the lower parts of corresponding pressure cavities, and water outlets of the outlet check valves are communicated with water outlet pipelines on the upper parts of the pressure cavities. Water inlets of the inlet check valves and water inlets of the outlet check valves are communicated with the pressure cavities. The inlet and outlet check valves form a laminated structure, so that the high-pressure plunger pump is high in stability, and the service life of the high-pressure plunger pump is multiplied; and the high-pressure plunger pump is applied to various washing machines.
Description
Technical field:
The utility model belongs to the plunger pump technique field, refers in particular to a kind of washing machine high-pressure plunger pump.
Background technique:
Jetting machine is centered by water-jet technology, and it is multidisciplinary to integrate pump, valve, sealing, hydraulic pressure, material, automation control etc.It is a new and high technology that develops rapidly abroad the beginning of the seventies in last century, in recent years, development along with maximization, intellectuality, customizations equipment, the jetting machine technological penetration is to each application: from cleaning to take pipeline, tube bank, container as main industry cleaning link of common mechanical part, building, eliminate rust to boats and ships except glue from airfield runway, cut to the curved surface shape cutting from metal, nonmetal plate, from hydraulic coal mining to the exploitation rock, from spraying slip casting to broken road surface, from the water screen film small cymbals of performing the operation without cutter, numerous, vigorous.Its principle is to get high pressure water with high-pressure service pump, and to nozzle, the water that nozzle then forces down flow velocity to height changes into the water jet of low pressure high flow rate, high-energy-density through pipeline, forward or tangential impact surface to be cleaned, thus foulant is peeled off, finish cleaning process.
The present jetting machine in market market also is in the initial stage of market growth at home, use to jetting machine is not general, but the raising along with living standards of the people, particularly automobile progressively popularizes and live the progressively improvement of environment of the people, and we are with the increase of the personnel of developed country contacts, external life style is also increasing our impact, and domestic jetting machine market is also in rapid expansion, and the market demand increases sharply.This new technology of development of coming by recent two decades is applied to the operations such as cleaning, rust cleaning, cutting, fragmentation of each industrial department in China.In conjunction with the China's national situation newspaper, developed high-pressure cleaning device with Chinese characteristics and the core technology with independent intellectual property right simultaneously, the research and development of jetting machine have also had significant progress, have shortened and external gap, basically can satisfy domestic demand.
" high temperature, leak, leakage of oil " phenomenon in use often can appear in jetting machine, and this phenomenon directly becomes the key that affects the washing machine life-span, thereby even directly causes lubricant oil to lose efficacy or oil starvation can not operate bent axle garland locking.At present, generally its three groups of water inlet and outlet one-way valves of washing machine plunger pump commonly used are separately, and are mutually 90 degree, are fixed by six one-way valve pressure caps again, and this structure exists that six one-way valve pressure caps are loosening, the defective in many ways such as seal leakage and insufficient strength; Other has the bearing of domestic general common washing machine plunger pump all to adopt deep groove ball bearing or needle bearing or the composite structure of the two, and this structure can not be regulated bearing clearance, easily causes the situations such as pump inner engine oil temperature is high, pump efficiency is low.
Summary of the invention:
The purpose of this utility model provides the washing machine high-pressure plunger pump of a kind of good stability, long service life, the existing temperature of reduction, high working efficiency.
The utility model is achieved in that
The washing machine high-pressure plunger pump, include housing assembly and crankcase, be set with the connecting rod more than two on the bent axle in the described crankcase, be hinged with plunger on the every connecting rod, the front end of every plunger stretches into respectively on the cylinder body of housing assembly in the corresponding plunger hole, bent axle rotates the drive plunger and moves back and forth in plunger hole, the place ahead of each plunger hole is communicated with corresponding pressure chamber respectively, the top of described each pressure chamber is provided with opening, all openings share a block pressur plate shutoff, water feeding one-way valve top in each pressure chamber is provided with out water one-way valve, the water intake of water feeding one-way valve is communicated with the inlet pipeline of pressure chamber bottom, the water outlet that goes out water one-way valve is communicated with the water outlet of water feeding one-way valve with the rising pipe on pressure chamber top, the water intake that goes out water one-way valve is communicated with pressure chamber.
The concrete structure that water feeding one-way valve top in each above-mentioned pressure chamber is provided with out water one-way valve is: each pressure chamber is disposed with water feeding one-way valve installation position and interior pressure cap installation position from the bottom to top, water feeding one-way valve is arranged on the water feeding one-way valve installation position, interior pressure cap is installed on the interior pressure cap installation position, the top of described interior pressure cap is provided with out the water one-way valve installation position, be provided with on the interior pressure cap and be communicated with water feeding one-way valve and the passage that goes out water one-way valve, be provided with the through hole that is communicated with plunger hole on the sidewall of interior pressure cap, go out water one-way valve and be arranged on going out on the water one-way valve installation position on the interior pressure cap, be provided with upper pressing cap on the top that goes out water one-way valve, described water feeding one-way valve, interior pressure cap, go out water one-way valve, upper pressing cap is pressed in the pressure chamber by pressing plate.
Be provided with seal ring between the water feeding one-way valve installation position of above-mentioned pressure chamber and the water feeding one-way valve.
Be disposed with from the bottom to top back-up ring and seal ring between the outer wall of above-mentioned interior pressure cap and the inwall of pressure chamber.
Above-mentioned interior pressure cap and go out to be provided with seal ring between the water one-way valve.
Be disposed with from the bottom to top seal ring and back-up ring between above-mentioned upper pressing cap and the pressure chamber.
Above-mentioned pressing plate is fixed by screws on the cylinder body of pressure chamber opening.
The advantage that the utility model is given prominence to compared to existing technology is:
1, the utility model makes two groups or above water-in and water-out one-way valve into stepped construction, be that water feeding one-way valve is built-in, going out water one-way valve is arranged on the water feeding one-way valve, every group of one-way valve shares a pressing plate and fixes, done comprehensive integration from structure, product stability is significantly improved, and the life-span promotes at double;
2, the utility model compact structure, easy for installation, using effect is good;
3, the utility model is applicable to various washing machines.
Description of drawings:
Fig. 1 is water feeding one-way valve of the present utility model and goes out the stacked exploded perspective view that is arranged in each pressure chamber of water one-way valve;
Fig. 2 is water feeding one-way valve of the present utility model and goes out the stacked sectional view that is arranged in each pressure chamber of water one-way valve;
Fig. 3 is schematic perspective view of the present utility model;
Fig. 4 is schematic diagram of the present utility model.
Embodiment:
The below is further described the utility model with specific embodiment, referring to Fig. 1-4:
The washing machine high-pressure plunger pump, include housing assembly 1 and crankcase 2, be set with three connecting rod 4 on the bent axle 3 in the described crankcase 2, be hinged with plunger 5 on the every connecting rod 4, the front end of every plunger 5 stretches into respectively on the cylinder body 6 of housing assembly 1 in the corresponding plunger hole 7, bent axle 3 rotates drive plunger 5 and moves back and forth in plunger hole 7, the place ahead of each plunger hole 7 is communicated with corresponding pressure chamber 8 respectively, the top of described each pressure chamber 8 is provided with opening, all openings share a block pressur plate 9 shutoff, water feeding one-way valve 10 tops in each pressure chamber 8 are provided with out water one-way valve 11, the water intake of water feeding one-way valve 10 is communicated with the inlet pipeline 12 of pressure chamber 8 bottoms, the water outlet that goes out water one-way valve 11 is communicated with the water outlet of water feeding one-way valve 10 with the rising pipe 13 on pressure chamber 8 tops, the water intake that goes out water one-way valve 11 is communicated with pressure chamber 8.
The concrete structure that water feeding one-way valve 10 tops in above-mentioned each pressure chamber 8 are provided with out water one-way valve 11 is: each pressure chamber 8(is in the cylinder body 6) be disposed with from the bottom to top water feeding one-way valve installation position 14 and interior pressure cap installation position 15, water feeding one-way valve 10 is arranged on the water feeding one-way valve installation position 14, interior pressure cap 16 is installed on the interior pressure cap installation position 15, the top of described interior pressure cap 16 is provided with out water one-way valve installation position 32, be provided with on the interior pressure cap 16 and be communicated with water feeding one-way valve 10 and the passage 17 that goes out water one-way valve 11, be provided with the through hole 18 that is communicated with plunger hole 7 on the sidewall of interior pressure cap 16, go out water one-way valve 11 and be arranged on going out on the water one-way valve installation position 32 on the interior pressure cap 16, be provided with upper pressing cap 19 on the top that goes out water one-way valve 11, described water feeding one-way valve 10, interior pressure cap 16, go out water one-way valve 11, upper pressing cap 19 is pressed in the pressure chamber 8 by pressing plate 9.
Water feeding one-way valve 10 of the present utility model and the structure that goes out water one-way valve 11 are: be fixed with unidirectional valve bonnet 21 at valve seat 20, the top of unidirectional valve bonnet 21 inner chambers is provided with guide rod 22, spring 23 is sleeved on outside the guide rod 22, the top of the valve seat 20 in unidirectional valve bonnet 21 is set is provided with valve block 24, top, the other end that one end of spring 23 holds out against at unidirectional valve bonnet 21 inner chambers hold out against on valve block 24, and described valve block 24 is connected with valve seat 20 elasticity by spring 23.When hydraulic pressure during greater than spring force, valve block 24 separates with valve seat 20, at this moment, water feeding one-way valve 10 or go out water one-way valve 11 and be in open mode, when pressure during less than spring force, valve block 24 and valve seat 20 closures, at this moment, water feeding one-way valve 10 or go out water one-way valve 11 and be in closed condition.
Be provided with seal ring 25 between the water feeding one-way valve installation position 14 of above-mentioned pressure chamber 8 and the water feeding one-way valve 10.
Be disposed with from the bottom to top back-up ring 26 and seal ring 27 between the outer wall of above-mentioned interior pressure cap 16 and the inwall of pressure chamber 8.
Above-mentioned interior pressure cap 16 and go out to be provided with seal ring 28 between the water one-way valve 11.
Be disposed with from the bottom to top seal ring 29 and back-up ring 30 between above-mentioned upper pressing cap 19 and the pressure chamber 8.
Above-mentioned pressing plate 9 is fixed on the cylinder body 6 of pressure chamber 8 openings by screw 31.
Working principle of the present utility model:
Power band dynamic crankshaft 3 High Rotation Speeds, bent axle 3 drives plunger 5 and moves reciprocatingly, and makes water feeding one-way valve 10 and go out water one-way valve 11 periodically to open suction and the process of spraying of realizing of closing.
Above-described embodiment only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (7)
1. washing machine high-pressure plunger pump, include housing assembly and crankcase, connecting rod more than two is housed on the bent axle in the described crankcase, be hinged with plunger on the every connecting rod, the front end of each plunger stretches into respectively on the cylinder body of housing assembly in the corresponding plunger hole, bent axle rotates the drive plunger and moves back and forth in plunger hole, the place ahead of each plunger hole is communicated with corresponding pressure chamber respectively, it is characterized in that: the top of described each pressure chamber is provided with opening, all openings share a block pressur plate shutoff, water feeding one-way valve top in each pressure chamber is provided with out water one-way valve, the water intake of water feeding one-way valve is communicated with the inlet pipeline of pressure chamber bottom, the water outlet that goes out water one-way valve is communicated with the water outlet of water feeding one-way valve with the rising pipe on pressure chamber top, the water intake that goes out water one-way valve is communicated with pressure chamber.
2. washing machine high-pressure plunger pump according to claim 1, it is characterized in that: the concrete structure that the water feeding one-way valve top in described each pressure chamber is provided with out water one-way valve is: each pressure chamber is disposed with water feeding one-way valve and interior pressure cap installation position from the bottom to top, water feeding one-way valve is arranged on the water feeding one-way valve installation position, interior pressure cap is installed in interior pressure cap installation position, the top of described interior pressure cap is provided with out the water one-way valve installation position, be provided with on the interior pressure cap and be communicated with water feeding one-way valve and the passage that goes out water one-way valve, be provided with the through hole that is communicated with plunger hole on the sidewall of interior pressure cap, going out water one-way valve is arranged on and goes out the water one-way valve installation position on the interior pressure cap, be provided with upper pressing cap on the top that goes out water one-way valve, described water feeding one-way valve, interior pressure cap, go out water one-way valve, upper pressing cap is pressed in the pressure chamber by pressing plate.
3. washing machine high-pressure plunger pump according to claim 1 and 2 is characterized in that: be provided with seal ring between the water feeding one-way valve installation position of described pressure chamber and the water feeding one-way valve.
4. washing machine high-pressure plunger pump according to claim 2 is characterized in that: be disposed with from the bottom to top back-up ring and seal ring between the outer wall of described interior pressure cap and the inwall of pressure chamber.
5. washing machine high-pressure plunger pump according to claim 2 is characterized in that: described interior pressure cap and go out to be provided with seal ring between the water one-way valve.
6. washing machine high-pressure plunger pump according to claim 2 is characterized in that: be disposed with from the bottom to top seal ring and back-up ring between described upper pressing cap and the pressure chamber.
7. washing machine high-pressure plunger pump according to claim 1 and 2, it is characterized in that: described pressing plate is fixed by screws on the cylinder body of pressure chamber opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258109 CN202690411U (en) | 2012-05-30 | 2012-05-30 | High-pressure plunger pump for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258109 CN202690411U (en) | 2012-05-30 | 2012-05-30 | High-pressure plunger pump for washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690411U true CN202690411U (en) | 2013-01-23 |
Family
ID=47546037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220258109 Expired - Lifetime CN202690411U (en) | 2012-05-30 | 2012-05-30 | High-pressure plunger pump for washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202690411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070462A (en) * | 2013-03-30 | 2014-10-01 | 河源鹏翔超高压水切割机械有限公司 | Direct-drive type ultrahigh-pressure water generator |
| CN107061213A (en) * | 2015-11-20 | 2017-08-18 | 苏州宝时得电动工具有限公司 | Pump unit and Handheld high-voltage cleaning machine |
-
2012
- 2012-05-30 CN CN 201220258109 patent/CN202690411U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070462A (en) * | 2013-03-30 | 2014-10-01 | 河源鹏翔超高压水切割机械有限公司 | Direct-drive type ultrahigh-pressure water generator |
| CN107061213A (en) * | 2015-11-20 | 2017-08-18 | 苏州宝时得电动工具有限公司 | Pump unit and Handheld high-voltage cleaning machine |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |