CN201025249Y - An ultra-high pressure oil pump - Google Patents
An ultra-high pressure oil pump Download PDFInfo
- Publication number
- CN201025249Y CN201025249Y CNU2006200349761U CN200620034976U CN201025249Y CN 201025249 Y CN201025249 Y CN 201025249Y CN U2006200349761 U CNU2006200349761 U CN U2006200349761U CN 200620034976 U CN200620034976 U CN 200620034976U CN 201025249 Y CN201025249 Y CN 201025249Y
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- Prior art keywords
- oil
- pump
- pressure
- oil pump
- high pressure
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- Expired - Fee Related
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Abstract
The utility model discloses a super-high pressure oil pump, which provides super-high pressure oil pump with big output pressure and comparatively small volume. The utility model comprises a pressure gauge, a rocking handle, a pump body, an oil storing cylinder and an oil pipe tie-in; the pump oil plunger piston at least consists of a big plunger piston and a small plunger piston; the plunger piston group is arranged in the pump body and is provided with a switching valve. The utility model is used for providing super-high pressure power resource for other apparatuses with big output pressure, compact structure and small volume.
Description
Technical field
The utility model relates to the fluid power instrument, particularly a kind of superpressure oil pump.
Background technique
In machine-building, mine metallurgy, petrochemical industry, power engineering, usually need the high voltage power source, in devices such as keyless, the powerful jack of hydraulic pressure, super hard material synthetic press, fluid power shearing, hydraulic nut stretching, all adopting pressure is hundreds of MPas, even goes up the ultrahigh-pressure hydraulic power of gpa.High pressure oil pump is common a kind of high-pressure hydraulic power source with the extremely user's favor of its pressure stability, convenience operation.Portable manual high pressure oil pump has particularly guaranteed carrying out smoothly in the non-place operations such as field of unregulated power supply.The general oil pressure of this class oil pump of the prior art can only reach 60MPa～150MPa, and the pressure fuel pump size shows with pressure gauge usually, because big capacity pressure table dial plate is bigger, causes the oil pump overall volume big, influences the packing of product and carries.
Summary of the invention
The technical problem that the utility model solves is at above-mentioned deficiency of the prior art, to provide a kind of delivery pressure big, the superpressure oil pump that volume is less.
The utility model is to realize like this, superpressure oil pump of the present utility model, comprise pressure gauge, crank, the pump housing, oil storage cylinder, oil connection, the pump oil piston is by greatly in its middle pump body, the plunger group that small plunger is formed constitutes, big plunger is the big oil mass of low pressure, small plunger is the little oil mass of high pressure, this plunger group is to be assemblied in one in the pump housing complete assembly parts of being processed into earlier, the pump housing is provided with a switching valve, and this switching valve is used to control big plunger working state, and station is first with big plunger oiling when work, after reaching certain pressure rapidly, by the big plunger oil pressure of switching valve emptying, continue oiling with small plunger, reach required high pressure.
Pump body is provided with Proportional valve, adopts the Proportional valve technology in oil pressure shows, has realized showing the superelevation oil pressure with little dial plate pressure gauge, and as with 1: 10 Proportional valve, tabular value is that the pressure gauge of tens MPas just can be used for the oil pressure that oil pressure is MPas up to a hundred.
Oil pump be provided with balanced pedal and (or) equalizing orifice, balanced pedal is convenient to the stable of oil pump, inserts equalizing orifice with balancing pole, applies external force and then can tighten the high-pressure oil pipe joint in balancing pole, is convenient to carry out operations.
Oil pump also is provided with extension lever, and extension lever inserts crank can increase the arm of force, and is more laborsaving when making operation.
Also be provided with two fuel-displaced ports and an oil return port on the oil pump, oil pump can be given a station fuel feeding, also can give two station fuel feeding simultaneously, and work finishes and opens the control valve high pressure oil and flow back to oil pump by the oil return port.
During work, lift crank, oil enters in the pump chamber by one-way valve.Press crank, the supercharging of working simultaneously of large and small plunger, oil pressure rises to certain pressure rapidly in the oil pipe, when pressing crank more at need, can open switching valve, the oil pressure of the big plunger of emptying, continue to lift by crank,, reach required high pressure until oil pressure by small plunger work supercharging.Open the oil pressure in the pressure-relief valve removal pump chamber after hours, the pressure oil in the station then flows back to oil storage cylinder by the loop.
Superpressure oil pump of the present utility model boosts rapidly successively by large and small plunger oiling supercharging.
The beneficial effects of the utility model are:
1, delivery pressure is big, under 400 MPa ultrahigh pressure states, and the long-time stable operation of energy;
2, compact structure, volume is little, and is easy to carry;
3, require low, applied widely to operation field.
Description of drawings
Fig. 1 is the utility model hydraulic system schematic representation.
Fig. 2 is an an embodiment's of the present utility model structural representation.
Among the figure, 1 is Proportional valve, and 2 is pressure gauge, and 3 is pressure-relief valve, 4 is switching valve, and 5 is oil storage cylinder, and 6 is small plunger, and 7 is stop valve, 8 is big plunger, and 9 is seal ring, and 10 is scavenger valve, and 11 is crank, 12 is extension lever, and 13 are the oilhole lid, and 14 is oily cylinder base, 15 is the pump housing, and 16 is equalizing orifice, and 17 is oil connection, 18 for switching handwheel, and 19 are hook, and 20 is balanced pedal.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
The beneficial effects of the utility model are: 1, output pressure is big, under 400 MPa super-pressure states, and can be long-time Steady operation; 2, compact conformation, volume is little, and is easy to carry; 3, require low, applied widely to operation field.
Claims (5)
1. a superpressure oil pump comprises pressure gauge, crank, the pump housing, oil storage cylinder, oil connection, it is characterized in that, the pump oil piston is made up of large and small two plungers at least in the pump housing, and described plunger group is the whole parts that is assemblied in the pump housing, and the pump housing is provided with switching valve.
2. superpressure oil pump according to claim 1 is characterized in that the described pump housing also is provided with Proportional valve.
3. superpressure oil pump according to claim 2 is characterized in that described oil pump is provided with balanced pedal and equalizing orifice.
4. superpressure oil pump according to claim 3 is characterized in that described oil pump is provided with extension lever.
5. superpressure oil pump according to claim 4 is characterized in that, described oil pump is provided with two fuel-displaced ports and an oil return port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200349761U CN201025249Y (en) | 2006-07-20 | 2006-07-20 | An ultra-high pressure oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200349761U CN201025249Y (en) | 2006-07-20 | 2006-07-20 | An ultra-high pressure oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201025249Y true CN201025249Y (en) | 2008-02-20 |
Family
ID=39099111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200349761U Expired - Fee Related CN201025249Y (en) | 2006-07-20 | 2006-07-20 | An ultra-high pressure oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201025249Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345597A (en) * | 2011-10-10 | 2012-02-08 | 四川盛堡机电科技有限责任公司 | Ultrahigh-pressure oil pump |
-
2006
- 2006-07-20 CN CNU2006200349761U patent/CN201025249Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345597A (en) * | 2011-10-10 | 2012-02-08 | 四川盛堡机电科技有限责任公司 | Ultrahigh-pressure oil pump |
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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: 20080220 Termination date: 20140720 |
|
| EXPY | Termination of patent right or utility model |