CN2533289Y - High pressure cleaning pump - Google Patents
High pressure cleaning pump Download PDFInfo
- Publication number
- CN2533289Y CN2533289Y CN 02219022 CN02219022U CN2533289Y CN 2533289 Y CN2533289 Y CN 2533289Y CN 02219022 CN02219022 CN 02219022 CN 02219022 U CN02219022 U CN 02219022U CN 2533289 Y CN2533289 Y CN 2533289Y
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- China
- Prior art keywords
- plunger
- water
- valve
- water inlet
- high pressure
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- Expired - Fee Related
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Abstract
The utility model relates to a high pressure cleaning pump mainly used in the high pressure cleaning machines for cleaning household appliances, gardens and garages. The high pressure cleaning pump is provided with a plunger, a sloping plate, a water inlet, a water outlet and a water returning access; wherein, a water inlet access is provided with a water inlet valve; a water outlet access is provided with a water outlet valve; the water returning access is provided with an unloading valve. The utility model is characterized in that: the plunger is provided with a plunger hole to from one part of the water inlet access; the connecting part between the water inlet and the plunger hole is provided with a pressing sleeve; the opening degree of the pressing sleeve is within the movement scope of the plunger hole; the water inlet valve is arranged inside the plunger. The plunger is axially provided with two water tights and an oil tight. Due to the structure of the technical proposal, the problems in that the water inlet valve and the plunger in the traditional pump structure are not inside the same cavity as well as high pressure exists on the sealing end surface between the parts on an upper cover and a medium cover; furthermore, the disadvantages of easy leakage on the combining part between the upper cover and the medium cover is overcome. The utility model has a simple structure and is beneficial for production and utilization.
Description
Technical field
The utility model relates to a kind of water pump, particularly a kind of high-pressure wash pump.
Background technique
In family, garden and garage, a large amount of cleanings is arranged, after using jetting machine,, can save 80% water compared with traditional cleaning way, can save a large amount of time simultaneously, and cleaning performance is very good.Two kinds of pumps of main use in jetting machine: a kind of is inclined disc type, and a kind of is axial.The application only relates to inclined disc type.With reference to Fig. 1: inclined disc type high-pressure wash pump structure is: be provided with swash plate, motor is by transmission shaft (adopt spline to be connected with swash plate or with swash plate be one) drive swash plate rotation, under the effect of swash plate, plunger 1 is done straight reciprocating motion, be provided with water intake 2, water outlet 3 simultaneously, be provided with one-way valve (being inlet valve 4 in the intake tunnel, is outlet valve 5 in the exhalant canal) in water inlet and the exhalant canal, unloading valve 6 is installed in the backwater channel of opposite side, carries out pressure and regulate.In traditional oblique tray type plunger pump structure, inlet valve and plunger be not in same cavity, there is end face seal 7 in plunger pump in the junction of loam cake and middle cover assembly, there is high pressure at this end face, pressure just because of this end face is very high, sealing effect is bad, and seal ring is aging easily, and the water capacity is face leakage from then on easily.
For fear of above defective of the prior art, the application will provide a kind of new oblique tray type plunger pump structure, change inlet valve and the not design in same cavity of plunger, and the leakage factor of high pressure is arranged at the seal face of loam cake and middle cover assembly, the more important thing is the leakage disadvantage of eliminating loam cake and middle cover junction plane.
The scheme that realizes the foregoing invention purpose is: the high-pressure wash pump, be provided with plunger, swash plate, water intake, water outlet, backwater channel is equipped with inlet valve in the intake tunnel, outlet valve is installed in the exhalant canal, unloading valve is installed in the backwater channel, it is characterized in that: be provided with plunger hole on plunger, plunger hole constitutes the part of intake pipe, and the binding site of water intake and plunger hole is provided with gland, the openings of sizes of gland is in the stroke range of plunger hole, and inlet valve is installed in plunger inside.After the water inlet of loam cake water intake, flow into by gland in the hole of plunger, inlet valve is installed plunger inside, forms an one-way valve by a seal ring, and valve spring is contained in the plug of loam cake.The application's optimized project is: plunger axially on, be provided with the twice water seal with oil sealing.In order to guarantee to assemble the motion guide needs with plunger, also be provided with loam cake, middle cover and base on the structure.The rotation of pump is mainly driven by diesel engine or other power, and motor drives swash plate by transmission shaft and rotates, and plunger is under the effect of swash plate, and is upper and lower mobile, and swash plate needle bearing and ball bearing up and down adopts oil lubrication.Plunger when plunger moves down, forms negative pressure by the guiding of the pilot hole in the middle cover in the cavity of loam cake, open inlet valve, and water enters in the cavity; When piston moves up, carry out the water in the extrusion chamber, produce high pressure, close inlet valve, open drain valve, carry out draining.Plunger axis in the upper cover body is the twice water seal of setting upwards, and improved the sealability of water pump: no matter intake or draining, water seal can not flow in the oil of base the water on top, and uppermost water-stop prevents the aqueous reflux of mo(u)ld top half cavity, produces the situation of release.The pressure of water outlet is regulated by unloading valve, when the overpressure of water outlet, opens unloading valve, produces off-load, and the pressure of water outlet is reduced.Too high when the inside temperature of water pump, water is washed heat protector open, lowers the temperature.
Because the structure characteristic of the technical program, inlet valve and plunger have been eliminated in traditional pump structure not in same cavity, and the seal face of loam cake and middle cover assembly has the leakage factor of high pressure, the more important thing is and eliminated the disadvantage of leaking easily in the junction of loam cake and middle cover.Simple in structure helping of this programme produces and uses.
Description of drawings
Fig. 1 is the structure and the fundamental diagram of traditional swash plate plunger pump;
Fig. 2 is the structure and the fundamental diagram of this patent; It has shown the whole process of advancing draining, has also shown the annexation of plunger and inlet valve and the sealing configuration of twice water-stop simultaneously.
Embodiment
Embodiment 1, with reference to Fig. 2: the high-pressure wash pump, be provided with swash plate, plunger 1, water intake 2, water outlet 3, one-way valve all is installed in water inlet, water outlet and the backwater channel, and (in the intake tunnel is inlet valve 4, in the exhalant canal is outlet valve 5, in the backwater channel is unloading valve 6), it is characterized in that: on plunger 1, be provided with plunger hole 8, plunger hole constitutes the part of intake pipe, the binding site of water intake and plunger hole is provided with gland 9, the openings of sizes of gland is in the stroke range of plunger hole, and inlet valve 4 is installed in plunger inside.After the water intake water inlet of loam cake 10, flow into by gland in the hole of plunger, inlet valve is placed on plunger inside, forms an one-way valve by a seal ring, and valve spring is contained in the plug of loam cake.Plunger axially on, be provided with twice water seal 11 simultaneously with oil sealing, avoid high pressure water and low pressure oil to leak mutually.Unloading valve 6 is in order to regulate the pressure of water outlet.The rotation of pump is mainly driven by diesel engine or other power, and motor drives swash plate and rotates, and plunger is under the effect of swash plate, and upper and lower moving advanced water, draining.Swash plate needle bearing and ball bearing up and down adopts oil lubrication.
Claims (6)
1, a kind of high-pressure wash pump, be provided with plunger, swash plate, water intake, water outlet, backwater channel is provided with inlet valve in the intake tunnel, be provided with outlet valve 5 in the exhalant canal, unloading valve 6 is housed in the backwater channel, it is characterized in that: be provided with plunger hole on plunger, plunger hole constitutes the part of intake pipe, and the binding site of water intake and plunger hole is provided with gland, the openings of sizes of gland is in the stroke range of plunger hole, and inlet valve is installed in plunger inside.
2, according to the described high-pressure wash pump of claim 1, it is characterized in that: plunger axis to sealing adopt the twice water seal with oil sealing simultaneously.
3, according to claim 1 or 2 described high-pressure wash pumps, it is characterized in that: also be provided with loam cake, middle cover and base on the structure.
4, according to the described high-pressure wash pump of claim 3, it is characterized in that: inlet valve is to form one-way valve by seal ring, and valve spring is contained in the plug of loam cake.
5, according to the described high-pressure wash pump of claim 3, it is characterized in that: plunger is led by the pilot hole in the middle cover.
6, according to the described high-pressure wash pump of claim 4, it is characterized in that: plunger is led by the pilot hole in the middle cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02219022 CN2533289Y (en) | 2002-02-25 | 2002-02-25 | High pressure cleaning pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02219022 CN2533289Y (en) | 2002-02-25 | 2002-02-25 | High pressure cleaning pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2533289Y true CN2533289Y (en) | 2003-01-29 |
Family
ID=33697578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02219022 Expired - Fee Related CN2533289Y (en) | 2002-02-25 | 2002-02-25 | High pressure cleaning pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2533289Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340766C (en) * | 2004-04-16 | 2007-10-03 | 胡松海 | Plunger pump of high pressure cleaner |
-
2002
- 2002-02-25 CN CN 02219022 patent/CN2533289Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340766C (en) * | 2004-04-16 | 2007-10-03 | 胡松海 | Plunger pump of high pressure cleaner |
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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: 20030129 Termination date: 20110225 |