CN105041595A - Four-plunger high-pressure oil-free water pump with variables of rotating surface - Google Patents
Four-plunger high-pressure oil-free water pump with variables of rotating surface Download PDFInfo
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- CN105041595A CN105041595A CN201510475632.8A CN201510475632A CN105041595A CN 105041595 A CN105041595 A CN 105041595A CN 201510475632 A CN201510475632 A CN 201510475632A CN 105041595 A CN105041595 A CN 105041595A
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- pistons
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- water pump
- free water
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Abstract
The invention provides a four-plunger high-pressure oil-free water pump adopting constant-speed surface driving. The water pump comprises a pump body, pistons, a transmission case and a transmission system. The transmission system comprises a water pump transmission shaft located in the transmission case and a surface disc in shaft connection with the water pump transmission shaft. The pistons extend to a hydraulic cavity of the pump body, and the surface disc is linked with the pistons and drives the pistons to perform reciprocating movement to compress the space of the hydraulic cavity after rotating. The section of the surface disc is a sine surface which has two sine variables. The four pistons are evenly located on the surface disc. The pistons are driven through the sine variable height difference of the height of the face of the surface disc so as to output power, and reciprocating movement of the pistons is achieved, so that the output of the water pump is effectively improved, efficiency is improved, and energy consumption is reduced; moreover, due to the fact that the face of the surface disc has the two sine variables, the height difference of the surface disc is flexibly changed, so that the output is higher in speed and more flexible and stable, the hydraulic pressure in the hydraulic cavity is stable, and vibration and noise are avoided.
Description
[technical field]
The present invention relates to a kind of plunger pump, refer in particular to a kind of novel four plunger high-pressure water pumps promoted by curved surface.
[background technique]
Plunger pump is an important device of hydraulic system.It relies on plunger to-and-fro motion in cylinder body, makes the volume of seal operation cavity volume change to realize oil suction, force feed.Plunger pump has that rated pressure is high, compact structure, efficiency are high and the advantage such as Flow-rate adjustment is convenient, is widely used in the occasion that high pressure, large discharge and flow need to regulate, in such as hydraulic press, engineering machinery and boats and ships.
Cam-type axial piston pump, we are commonly called as swash plate pump, be exactly the wherein a kind of of plunger pump, utilize the variable on swash plate inclined-plane thus make plunger to-and-fro motion in cylinder body, general most of swash plate plunger pumps on the market all adopt the structure of two plungers, variable when rotating with swash plate is like this comparatively corresponding, and the efficiency of cam-type axial piston pump work is closely bound up with coordinating of plunger with swash plate, how improving swash plate and plunger becomes to optimize plunger pump the direction that swash plate plunger pump studies.
[summary of the invention]
The object of the invention is to be to overcome the deficiencies in the prior art, provide that a kind of efficiency is large, hydraulic pressure steadily, friction, muting surface of revolution variable four-piston high voltage oil-free water pump.
In order to solve the technical problem of above-mentioned existence, the present invention adopts following technical proposals:
A kind of constant speed curved surface promotes four plunger high voltage oil-free water pumps, include the pump housing, piston, transmission case and transmission system, described transmission system includes the water pump transmission shaft being positioned at transmission case and the curved discs be connected with described water pump transmission shaft axle, described piston extends in the hydraulic pressure cavity of the pump housing, and described curved discs and gas piston linkage also drive the space in piston reciprocates compression hydraulic chamber after curved discs is rotated; The section of described curved discs is sine surface and this sine surface has two sinusoidal variables, and described piston has four and divides equally and drops in curved discs.
Above-mentioned a kind of constant speed curved surface is being promoted in the improvement project of four plunger high voltage oil-free water pumps, on the 2 high points that four described pistons drop on curved discs sine surface under normal conditions and two low spots.
Promoting above-mentioned a kind of constant speed curved surface, in the improvement project of four plunger high voltage oil-free water pumps, to be provided with ball in the end of described piston and curved discs joint.
Promoting above-mentioned a kind of constant speed curved surface, in the improvement project of four plunger high voltage oil-free water pumps, the described pump housing to be provided with Decompression valves.
Promoting above-mentioned a kind of constant speed curved surface, in the improvement project of four plunger high voltage oil-free water pumps, in the hydraulic pressure cavity of the described pump housing, to be provided with piston guide dish, described piston guide dish is being provided with the pilot hole that confession four pistons corresponding with four pistons pass.
Compared with prior art, the invention has the beneficial effects as follows: the present invention utilizes curved discs card height to be that the difference of height of sinusoidal variable carrys out driven plunger, outputting power, realize the to-and-fro motion of piston, the output of effective raising water pump, raises the efficiency, and has saved energy consumption, and due to curved discs card be two sinusoidal variables, therefore its height difference is flexible variety, makes the speed that exports sooner and more steadily soft, thus makes the hydraulic pressure in hydraulic chamber steady, friction, noise free.
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view one of the embodiment of the present invention;
Fig. 2 is the schematic perspective view two (transmission case dismounting state) of the embodiment of the present invention;
Fig. 3 is the assembling schematic perspective view of embodiment of the present invention middle pump body and piston;
Fig. 4 is the sectional view of Fig. 3;
Fig. 5 is the explosive view of the embodiment of the present invention;
Fig. 6 is the connection diagram of embodiment of the present invention mean camber dish and water pump transmission shaft;
Fig. 7 is the side view of Fig. 6.
In figure:
The pump housing---10;
Hydraulic pressure cavity---11;
Piston---20;
Ball---21;
Transmission case---30;
Water pump transmission shaft---40;
Curved discs---50;
Decompression valves---60;
Piston guide dish---70;
Pilot hole---71;
Inlet part---80;
Outlet part---90.
[embodiment]
The present invention is that a kind of constant speed curved surface promotes four plunger high voltage oil-free water pumps, as shown in Figures 1 to 7, include the pump housing 10, piston 20, transmission case 30 and transmission system, described transmission system includes the water pump transmission shaft 40 being positioned at transmission case 30 and the curved discs 50 be connected with described water pump transmission shaft 40 axle, described piston 20 extends in the hydraulic pressure cavity 11 of the pump housing 10, and described curved discs 50 is with piston 20 interlock and after curved discs 50 is rotated, drive the space in the reciprocating compression hydraulic chamber 11 of piston 20; The section of described curved discs 50 is sine surface and this sine surface has two sinusoidal variables, and described piston 20 has four and divides equally and drops in curved discs 50.
Working state of the present invention is as follows: this water pump after being powered up, water pump transmission shaft 40 in transmission case 30 starts to rotate under the drive of motor, water pump transmission shaft 40 also drives connected curved discs 50 to move in a circle while rotation, card due to curved discs 50 is sine surface variable, therefore it constantly changes the height with piston 20 contact jaw end face when rotating, thus drive piston 20 to-and-fro motion, the space of hydraulic pressure cavity 11 is changed, realize pump housing water route and enter into hydraulic pressure cavity 11 to the process being discharged to outlet part 90 from hydraulic pressure cavity 11 from inlet part 80.
The present invention utilizes curved discs 50 card height to be that the difference of height of sinusoidal variable carrys out driven plunger 20, outputting power, realizes the to-and-fro motion of piston 20, effectively improves the output of water pump, raise the efficiency, saved energy consumption, and due to curved discs 50 card be two sinusoidal variables, therefore its height difference is flexible variety, make the speed that exports sooner and more steadily soft, thus make the hydraulic pressure in hydraulic chamber 11 steady, friction, noise free.
In an embodiment of the present invention, as shown in Fig. 2, Fig. 5, on the 2 high points that four described pistons 20 drop on curved discs 50 sine surface under normal conditions and two low spots, in this case, piston 20 can reach maximum working efficiency under curved discs 50 interlock.
In order to reduce the friction of piston 20 and curved discs 50 card, in the such as embodiment shown in Fig. 2,3,4,5, ball 21 is provided with in the end of described piston 20 and curved discs 50 joint, make piston 20 be rolling friction with the contact of curved discs 50 card, while reducing frictional force, extend the working life of piston 20 and curved discs 50.
In an embodiment of the present invention, as shown in Figures 1 to 5, the described pump housing 10 is provided with Decompression valves 60, protects the pump housing 10 further, the working life of the pump housing 10 is protected.
In order to make the operation of piston 20 more steady, in the embodiment as shown in fig .5, in the hydraulic pressure cavity 11 of the described pump housing 10, be provided with piston guide dish 70, described piston guide dish 70 is provided with the pilot hole 71 that confession four pistons 20 corresponding with four pistons 20 pass.
Although reference above embodiment describes the present invention in detail, but be it will be apparent to one skilled in the art that by the disclosure, and when not departing from principle of the present invention and the scope of described claim restriction, can make a variety of changes the present invention or revise.Therefore, the detailed description of disclosure embodiment is only used for explaining, instead of is used for limiting the present invention, but is defined by the subject-matter of the claims the scope of protection.
Claims (5)
1. a constant speed curved surface promotes four plunger high voltage oil-free water pumps, include the pump housing, piston, transmission case and transmission system, it is characterized in that, described transmission system includes the water pump transmission shaft being positioned at transmission case and the curved discs be connected with described water pump transmission shaft axle, described piston extends in the hydraulic pressure cavity of the pump housing, and described curved discs and gas piston linkage also drive the space in piston reciprocates compression hydraulic chamber after curved discs is rotated; The section of described curved discs is sine surface and this sine surface has two sinusoidal variables, and described piston has four and divides equally and drops in curved discs.
2. a kind of constant speed curved surface according to claim 1 promotes four plunger high voltage oil-free water pumps, it is characterized in that, on the 2 high points that four described pistons drop on curved discs sine surface under normal conditions and two low spots.
3. a kind of constant speed curved surface according to claim 1 promotes four plunger high voltage oil-free water pumps, it is characterized in that, is provided with ball in the end of described piston and curved discs joint.
4. a kind of constant speed curved surface according to claim 1 promotes four plunger high voltage oil-free water pumps, it is characterized in that, the described pump housing is provided with Decompression valves.
5. a kind of constant speed curved surface according to claim 1 promotes four plunger high voltage oil-free water pumps, it is characterized in that, in the hydraulic pressure cavity of the described pump housing, be provided with piston guide dish, described piston guide dish is provided with the pilot hole that confession four pistons corresponding with four pistons pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475632.8A CN105041595A (en) | 2015-08-06 | 2015-08-06 | Four-plunger high-pressure oil-free water pump with variables of rotating surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475632.8A CN105041595A (en) | 2015-08-06 | 2015-08-06 | Four-plunger high-pressure oil-free water pump with variables of rotating surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105041595A true CN105041595A (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510475632.8A Pending CN105041595A (en) | 2015-08-06 | 2015-08-06 | Four-plunger high-pressure oil-free water pump with variables of rotating surface |
Country Status (1)
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| CN (1) | CN105041595A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5666464A (en) * | 1979-10-31 | 1981-06-04 | Fujitsugu Iida | Apparatus for controlling fluid flow rate to be constant |
| DE3113737A1 (en) * | 1981-04-04 | 1982-10-28 | Eckhard 4512 Wallenhorst Schulz | Feed pump |
| JPH04295183A (en) * | 1991-03-22 | 1992-10-20 | Jidosha Kiki Co Ltd | Axial piston pump |
| JPH11201049A (en) * | 1998-01-12 | 1999-07-27 | Koshin Kogyo:Kk | Pump |
| CN201386633Y (en) * | 2009-02-16 | 2010-01-20 | 柴献 | Axial plunger pump |
| CN103899506A (en) * | 2014-04-11 | 2014-07-02 | 西安交通大学 | Cylinder block and shell integrated axial plunger pump driven by end cam |
| CN103967731A (en) * | 2014-05-09 | 2014-08-06 | 西安交通大学 | End cam driving type axial plunger pump carrying out oil distribution by adopting flow distribution ring |
| CN103982387A (en) * | 2014-05-08 | 2014-08-13 | 西安交通大学 | End cam driving type axial plunger pump adopting rotating window oil distribution |
| CN205025701U (en) * | 2015-08-06 | 2016-02-10 | 珠海市世马科技有限公司 | No profit pump of rotatory four plungers of curved surface variable high pressure |
-
2015
- 2015-08-06 CN CN201510475632.8A patent/CN105041595A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5666464A (en) * | 1979-10-31 | 1981-06-04 | Fujitsugu Iida | Apparatus for controlling fluid flow rate to be constant |
| DE3113737A1 (en) * | 1981-04-04 | 1982-10-28 | Eckhard 4512 Wallenhorst Schulz | Feed pump |
| JPH04295183A (en) * | 1991-03-22 | 1992-10-20 | Jidosha Kiki Co Ltd | Axial piston pump |
| JPH11201049A (en) * | 1998-01-12 | 1999-07-27 | Koshin Kogyo:Kk | Pump |
| CN201386633Y (en) * | 2009-02-16 | 2010-01-20 | 柴献 | Axial plunger pump |
| CN103899506A (en) * | 2014-04-11 | 2014-07-02 | 西安交通大学 | Cylinder block and shell integrated axial plunger pump driven by end cam |
| CN103982387A (en) * | 2014-05-08 | 2014-08-13 | 西安交通大学 | End cam driving type axial plunger pump adopting rotating window oil distribution |
| CN103967731A (en) * | 2014-05-09 | 2014-08-06 | 西安交通大学 | End cam driving type axial plunger pump carrying out oil distribution by adopting flow distribution ring |
| CN205025701U (en) * | 2015-08-06 | 2016-02-10 | 珠海市世马科技有限公司 | No profit pump of rotatory four plungers of curved surface variable high pressure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |
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| RJ01 | Rejection of invention patent application after publication |