CN205025701U - No profit pump of rotatory four plungers of curved surface variable high pressure - Google Patents

No profit pump of rotatory four plungers of curved surface variable high pressure Download PDF

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Publication number
CN205025701U
CN205025701U CN201520584703.3U CN201520584703U CN205025701U CN 205025701 U CN205025701 U CN 205025701U CN 201520584703 U CN201520584703 U CN 201520584703U CN 205025701 U CN205025701 U CN 205025701U
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China
Prior art keywords
piston
curved
water pump
dish
pump
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CN201520584703.3U
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Chinese (zh)
Inventor
严晓平
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Zhuhai Seama Technology Co Ltd
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Zhuhai Seama Technology Co Ltd
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Priority to CN201520584703.3U priority Critical patent/CN205025701U/en
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Abstract

The utility model relates to a no profit pump of rotatory four plungers of curved surface variable high pressure, including the pump body, piston, transmission case and transmission system, transmission system including the water pump drive spindle that is located the transmission case and with the curved surface dish of water pump drive spindle hub connection, the piston extends to the hydraulic pressure intracavity of the pump body, curved surface dish space that piston did reciprocating motion compression hydraulic pressure chamber is driven with the piston interlock and after the curved surface dish rotates, the section of curved surface dish have two sinusoidal variables for sinusoidal curved surface and this sine curved surface, the piston have four and equally divide and drop on on the curved surface dish. Its difference of height that utilizes curved surface dish quotation height to be the sinusoidal variable comes drive RAM, and output power realizes the reciprocating motion of piston, and the output that effectively improves the water pump is raised the efficiency, has practiced thrift the energy consumption, and in addition because curved surface dish quotation is two sinusoidal variables, so its difference in height is flexible the change for the speed of output is faster and soft more steady, thereby makes the hydraulic pressure in the hydraulic pressure cavity steady, friction, noiselessness.

Description

A kind of surface of revolution variable four-piston high voltage oil-free water pump
[technical field]
The utility model relates to a kind of plunger pump, refers 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.
[model utility content]
The purpose of this utility model is 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 utility model adopts following technical proposals:
A kind of surface of revolution variable four-piston high voltage oil-free water pump, 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.
In the improvement project to above-mentioned a kind of surface of revolution variable four-piston high voltage oil-free water pump, on the 2 high points that four described pistons drop on curved discs sine surface under normal conditions and two low spots.
In the improvement project to above-mentioned a kind of surface of revolution variable four-piston high voltage oil-free water pump, be provided with ball in the end of described piston and curved discs joint.
In the improvement project to above-mentioned a kind of surface of revolution variable four-piston high voltage oil-free water pump, the described pump housing is provided with Decompression valves.
In the improvement project to above-mentioned a kind of surface of revolution variable four-piston high voltage oil-free water pump, 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.
Compared with prior art, the beneficial effects of the utility model are: the utility model 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 utility model is described in further detail:
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view one of the utility model embodiment;
Fig. 2 is the schematic perspective view two (transmission case dismounting state) of the utility model embodiment;
Fig. 3 is the assembling schematic perspective view of the utility model embodiment middle pump body and piston;
Fig. 4 is the sectional view of Fig. 3;
Fig. 5 is the explosive view of the utility model embodiment;
Fig. 6 is the connection diagram of the utility model embodiment 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 utility model is a kind of surface of revolution variable four-piston high voltage oil-free water pump, 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 utility model 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 utility model 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 embodiment of the present utility model, 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 embodiment of the present utility model, 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 utility model 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 utility model and the scope of described claim restriction, can make a variety of changes the utility model or revise.Therefore, the detailed description of disclosure embodiment is only used for explaining, instead of is used for limiting the utility model, but is defined by the subject-matter of the claims the scope of protection.

Claims (5)

1. a surface of revolution variable four-piston high voltage oil-free water pump, 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 surface of revolution variable four-piston high voltage oil-free water pump according to claim 1, 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 surface of revolution variable four-piston high voltage oil-free water pump according to claim 1, is characterized in that, be provided with ball in the end of described piston and curved discs joint.
4. a kind of surface of revolution variable four-piston high voltage oil-free water pump according to claim 1, is characterized in that, the described pump housing is provided with Decompression valves.
5. a kind of surface of revolution variable four-piston high voltage oil-free water pump according to claim 1, 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.
CN201520584703.3U 2015-08-06 2015-08-06 No profit pump of rotatory four plungers of curved surface variable high pressure Active CN205025701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520584703.3U CN205025701U (en) 2015-08-06 2015-08-06 No profit pump of rotatory four plungers of curved surface variable high pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520584703.3U CN205025701U (en) 2015-08-06 2015-08-06 No profit pump of rotatory four plungers of curved surface variable high pressure

Publications (1)

Publication Number Publication Date
CN205025701U true CN205025701U (en) 2016-02-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520584703.3U Active CN205025701U (en) 2015-08-06 2015-08-06 No profit pump of rotatory four plungers of curved surface variable high pressure

Country Status (1)

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CN (1) CN205025701U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105041595A (en) * 2015-08-06 2015-11-11 珠海市世马科技有限公司 Four-plunger high-pressure oil-free water pump with variables of rotating surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105041595A (en) * 2015-08-06 2015-11-11 珠海市世马科技有限公司 Four-plunger high-pressure oil-free water pump with variables of rotating surface

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