CN113339221A - Ultrahigh-pressure miniature swash plate plunger pump and using method thereof - Google Patents
Ultrahigh-pressure miniature swash plate plunger pump and using method thereof Download PDFInfo
- Publication number
- CN113339221A CN113339221A CN202110794845.2A CN202110794845A CN113339221A CN 113339221 A CN113339221 A CN 113339221A CN 202110794845 A CN202110794845 A CN 202110794845A CN 113339221 A CN113339221 A CN 113339221A
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- ball
- temporary storage
- plate
- swash plate
- swash
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/128—Driving means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses an ultrahigh pressure micro swash plate plunger pump and a using method thereof, belonging to the field of plunger pumps. Support the sloping cam plate through the ball to sliding friction of sloping cam plate and other parts changes rolling friction into through the ball, accomplishes and to support the sloping cam plate and can reduce frictional force again, becomes looks protection sloping cam plate, and the cooperation between first notch and ball and the second notch can also reduce the pressure that sloping cam plate and rear end cap received, thereby is adapted to the high pressure environment in the superhigh pressure plunger pump.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of plunger pumps, in particular to an ultrahigh-pressure miniature swash plate plunger pump and a using method thereof.
[ background of the invention ]
With the development of times, the swash plate plunger pump is widely applied to the hydraulic related industrial field, and the axial swash plate plunger pump has small radial size and compact structure when the power and the rotating speed are the same, so that the axial swash plate plunger pump has smaller inertia moment and consumes less metal in unit power; the rotating speed is high, the pressure is high, and the efficiency is high; the radial acting force of the pump is small, and the variable adjustment is convenient; however, in the swash plate of the swash plate plunger pump at the present stage, due to the contact between the swash plate and other parts, abrasion is caused by friction during rotation, the swash plate is not in contact with other parts, and the swash plate cannot rotate stably due to insufficient supporting force, so that a structure capable of reducing the abrasion of the swash plate and providing the supporting force is required to be designed.
[ summary of the invention ]
Aiming at the defects of the prior art, the invention provides an ultrahigh-pressure miniature swash plate plunger pump and a using method thereof, and solves the problems in the background technology.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a miniature sloping cam plate plunger pump of superhigh pressure, includes cylinder body, rear end cap and front end housing, the rear end cap and the front end housing connect respectively in the both sides opening part of cylinder body, just be equipped with the sap cavity in the cylinder body, be equipped with the pivoted axis of rotation on the rear end cap, the axis of rotation stretches into the sap cavity, just be equipped with the sloping cam plate in the axis of rotation, the sloping cam plate with be equipped with the protection architecture of reducible sloping cam plate wearing and tearing between the rear end cap. The protection structure can reduce the abrasion of the swash plate, thereby protecting the swash plate and prolonging the service life of the swash plate.
Preferably, the wear structure includes an annular plate disposed on the rear end cap, the annular plate being connected to a movable ball, the ball contacting the swash plate and the rear end cap. The balls change the friction between the swash plate and the rear end cover into rolling friction, so that the loss of the friction to the swash plate is reduced.
Preferably, a first notch is formed in the swash plate, a second notch is formed in the rear end cover, and the ball extends into the first notch and the second notch. The design of the first notch and the second notch increases the contact area of the balls with the swash plate and the rear end cover, so that the pressure intensity is reduced, and the load on the swash plate and the rear end cover is reduced.
Preferably, an arc gasket is arranged in the first notch, and the arc gasket is attached to the ball. Arc gasket and sloping cam plate fixed connection, and arc gasket and ball contact, rolling friction originally is replaced by the arc gasket and is born the loss of sloping cam plate to further protect the sloping cam plate, be favorable to the job stabilization nature of plunger pump.
Preferably, fixing rods are annularly distributed on the annular plate, and the fixing rods extend into the middle positions corresponding to the balls. The fixed rod extends into the ball, so that the ball rotates around the fixed rod, the moving range of the ball is limited, and the possibility of translation of the ball due to the fact that the ball is clamped between the ball and the swash plate is reduced.
Preferably, the fixing rod is provided with a limiting ball, and the diameter of the limiting ball is larger than the width of the fixing rod. The limiting ball is larger than the fixing rod in diameter, so that the limiting ball cannot be separated from the ball, the possibility of accidents is reduced, and the stability of the plunger pump is improved.
Preferably, the cylinder body is provided with an oil inlet connected with the liquid cavity, the front end cover is provided with a fixed block tightly attached to the inner wall of the cylinder body, a temporary storage cavity communicated with a pipeline for conveying hydraulic fluid is annularly distributed in the fixed block, a sliding plunger rod is arranged in the temporary storage cavity, the plunger rod is connected with a sliding plate connected with a swash plate, the plunger rod is hinged with the sliding plate, the sliding plate is connected with the swash plate in a sliding manner, the swash plate limits the sliding plate to be perpendicular to the movement of the swash plate, and the plunger rod is internally provided with a plunger cavity communicated with the temporary storage cavity and the liquid cavity. The plunger rod can only move along the inner wall of the temporary storage cavity due to the limitation of the temporary storage cavity to the plunger rod, and the swash plate can only drive the plunger rod to reciprocate along the temporary storage cavity due to the sliding connection of the sliding plate and the swash plate, so that the continuous output of hydraulic fluid is realized.
Preferably, a fastener tightly attached to the inner wall of the temporary storage cavity is arranged on the temporary storage cavity, a first reduced opening communicated with the temporary storage cavity and having a width smaller than that of the temporary storage cavity is arranged in the fastener, a movable jacking ball is arranged in the fastener, and a first jacking spring for jacking the jacking ball to close the first reduced opening is connected to the jacking ball. Through the cooperation of the first top pressure spring, the top pressure ball and the first reducing opening, the hydraulic fluid can only flow out of the first reducing opening to the outside and cannot flow into the hydraulic fluid from the outside, so that the backflow of the hydraulic fluid is prevented.
Preferably, the temporary storage cavity is internally provided with a second reducing opening with a width smaller than that of the temporary storage cavity, the inner wall of the temporary storage cavity is provided with a fixed net rack positioned on one side of the first reducing opening close to the second reducing opening, the fixed net rack is provided with a sealing ball between the second reducing opening, and the fixed net rack is provided with a second jacking spring connected with the sealing ball and used for jacking the sealing ball to seal the second reducing opening. Through the cooperation of second roof pressure spring, closing ball and second reducing mouth, make hydraulic fluid can only reduce the mouth through the second and enter into to the intracavity of keeping in, can't flow back to the liquid chamber from keeping in the chamber, prevent unexpected the emergence.
Preferably, the using method comprises the following steps:
when the temporary storage cavity is used, firstly, the rotating shaft is driven to rotate by an external driving force, the rotating shaft drives the swash plate to rotate, and the swash plate rotates to drive the plunger rod to move along the inner wall of the temporary storage cavity as the plunger rod is limited by the temporary storage cavity;
when the plunger rod moves towards one side of the liquid cavity, the hydraulic pressure in the temporary storage cavity is reduced, the first jacking spring can jack the jacking ball to close the first reducing opening, the hydraulic pressure in the temporary storage cavity is reduced, so that hydraulic fluid jacks the sealing ball, the sealing ball is pressed to one side of the fixed net rack to move, the second jacking spring is pressed to contract, and the hydraulic fluid can enter the plunger cavity from the liquid cavity and finally enter the temporary storage cavity to be temporarily stored;
when the plunger rod moves away from the liquid cavity, the sealing ball is not pressed by the hydraulic fluid any more, the contracted second pressing spring presses the sealing ball to seal the second reducing opening, the hydraulic fluid in the temporary storage cavity is extruded, the hydraulic pressure is enhanced to press the pressing ball, the pressing ball is pressed to not seal the first reducing opening any more, the first pressing spring is compressed to contract, and the hydraulic fluid in the temporary storage cavity can flow into a pipeline for outputting the hydraulic fluid along the first reducing opening;
repeating the two steps, namely continuously pumping the hydraulic fluid in the liquid cavity;
when the swash plate rotates, one part of the ball is positioned in the first notch and the second notch, the ball is contacted with the arc-shaped gasket in the first notch, and the swash plate rotates to drive the ball to rotate circumferentially around the fixed rod.
Has the advantages that:
compared with the traditional swash plate plunger pump, the ultrahigh pressure miniature swash plate plunger pump has the advantages that the swash plate is supported by the balls, sliding friction between the swash plate and other parts is converted into rolling friction through the balls, so that the swash plate can be supported, the friction force can be reduced, the swash plate is protected in a phase-changing manner, the first notch and the balls are matched with the second notch, the pressure born by the swash plate and the rear end cover can be reduced, and the ultrahigh pressure miniature swash plate plunger pump is suitable for the high-pressure environment in the ultrahigh pressure plunger pump.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
fig. 4 is an enlarged schematic view of fig. 1 at B.
Reference numerals:
11. the hydraulic support comprises a cylinder body, 12, a rotating shaft, 17, a swash plate, 18, a rear end cover, 19, an annular plate, 20, a fixed rod, 21, a limiting ball, 22, a ball, 23, an arc-shaped gasket, 24, a front end cover, 25, a liquid cavity, 26, a first notch, 27, a second notch, 30, a sliding plate, 31, a plunger rod, 32, a plunger cavity, 33, a temporary storage cavity, 34, a fastener, 35, a first reducing opening, 36, a jacking ball, 37, a first jacking spring, 38, a fixed block, 40, an oil inlet, 41, a closed ball, 42, a second jacking spring, 43, a fixed net frame, 44 and a second reducing opening.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
The novel ultrahigh pressure miniature swash plate plunger pump has small volume, light weight, stable flow and high pressure, and is suitable for various portable and shoulder-back miniature ultrahigh pressure hydraulic stations.
Example (b):
referring to fig. 1 to 3, the present novel ultrahigh pressure micro swash plate plunger pump includes a cylinder 11, a rear end cap 18 and a front end cap 24, the rear end cap 18 and the front end cap 24 are respectively connected to openings at two sides of the cylinder 11, a liquid chamber 25 is arranged in the cylinder 11, a rotating shaft 12 is arranged on the rear end cap 18, the rotating shaft 12 extends into the liquid chamber 25, a swash plate 17 is arranged on the rotating shaft 12, a protection structure capable of reducing wear of the swash plate 17 is arranged between the swash plate 17 and the rear end cap 18, the wear structure includes an annular plate 19 arranged on the rear end cap 18, a movable ball 22 is connected to the annular plate 19, the ball 22 contacts with the swash plate 17 and the rear end cap 18, a first notch 26 is arranged on the swash plate 17, a second notch 27 is arranged on the rear end cap 18, the ball 22 extends into the first notch 26 and the second notch 27, be equipped with arc gasket 23 in the first notch 26, arc gasket 23 with ball 22 laminating, it is equipped with dead lever 20 to be annular distribution on the annular plate 19, dead lever 20 corresponds the intermediate position of ball 22 stretches into, just be equipped with restriction ball 21 on the dead lever 20, restriction ball 21 diameter is greater than the width of dead lever 20.
Referring to fig. 1 to 4, an oil inlet 40 connected to the liquid chamber 25 is disposed on the cylinder 11, a fixed block 38 tightly attached to the inner wall of the cylinder 11 is disposed on the front end cover 24, temporary storage chambers 33 communicated with a pipeline for conveying hydraulic fluid are annularly disposed in the fixed block 38, a sliding plunger rod 31 is disposed in the temporary storage chamber 33, a sliding plate 30 connected to the swash plate 17 is connected to the plunger rod 31, the plunger rod 31 is hinged to the sliding plate 30, the sliding plate 30 is slidably connected to the swash plate 17, the swash plate 17 limits the movement of the sliding plate 30 perpendicular to the swash plate 17, a plunger chamber 32 is disposed in the plunger rod 31 and is in temporary storage communication with the liquid chamber 33 and the liquid chamber 25, a fastening member 34 tightly attached to the inner wall of the temporary storage chamber 33 is disposed in the temporary storage chamber 33, a first reducing opening 35 communicated with the temporary storage chamber 33 and having a width smaller than the width of the temporary storage chamber 33 is disposed in the fastening member 34, the movable jacking ball 36 is arranged in the 24, the jacking ball 36 is connected with a first jacking spring 37 for jacking the jacking ball 36 to seal the first reduced opening 35, a second reduced opening 44 with the width smaller than that of the temporary storage cavity 33 is arranged in the temporary storage cavity 33, a fixed net rack 43 positioned on one side of the second reduced opening 44 close to the first reduced opening 35 is arranged on the inner wall of the temporary storage cavity 33, a sealing ball 41 is arranged between the fixed net rack 43 and the second reduced opening 44, and a second jacking spring 42 connected with the sealing ball 41 and jacking the sealing ball 41 to seal the second reduced opening 44 is arranged on the fixed net rack 43.
The using method of the invention comprises the following steps:
when the plunger rod mechanism works, firstly, the rotating shaft 12 is driven to rotate by an external driving force, the rotating shaft 12 drives the swash plate 17 to rotate, and the piston rod 31 is limited by the temporary storage cavity 33, so that the swash plate 17 rotates to drive the piston rod 31 to move along the inner wall of the temporary storage cavity 33;
when the plunger rod 31 moves towards one side of the liquid cavity 25, the hydraulic pressure in the temporary storage cavity 33 is reduced, the first jacking spring 37 can jack the jacking ball 36 to close the first reducing opening 35, the hydraulic pressure in the temporary storage cavity 33 is reduced, so that the hydraulic fluid jacks the closing ball 41, the closing ball 41 is pressed to move towards one side of the fixed net rack 43, the second jacking spring 42 is pressed to contract, and the hydraulic fluid can enter the plunger cavity 32 from the liquid cavity 25 and finally enter the temporary storage cavity 33 to be temporarily stored;
when the plunger rod 31 moves away from the liquid cavity 25, the closing ball 41 is not pressed by the hydraulic fluid any more, the contracted second pressing spring 42 presses the closing ball 41 to close the second reduced opening 44, the hydraulic fluid in the temporary storage cavity 33 is pressed, the hydraulic pressure is enhanced, the pressing ball 36 is pressed, the pressing ball 36 is not closed by the first reduced opening 35 any more, the first pressing spring 37 is compressed and contracted, and the hydraulic fluid in the temporary storage cavity 33 can flow into a pipeline for outputting the hydraulic fluid along the first reduced opening 35;
repeating the above two steps, the hydraulic fluid in the liquid cavity 25 can be continuously pumped out;
when the swash plate 17 rotates, a part of the balls 22 is located in the first recess 26 and the second recess 27, and the balls 22 contact the arc-shaped pads 23 in the first recess 26, so that the swash plate 17 rotates to drive the balls 22 to rotate circumferentially around the fixed rod 20.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
In the description of the present specification, the terms "connect", "mount", "fix", "set", and the like are used in a broad sense, for example, the "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as such, for a person skilled in the art, the specific meaning of the above terms in the present invention or the invention can be understood according to specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a miniature swash plate plunger pump of superhigh pressure, includes cylinder body (11), rear end cap (18) and front end cap (24), its characterized in that: rear end cap (18) and front end housing (24) connect respectively in the both sides opening part of cylinder block (11), just be equipped with sap cavity (25) in cylinder block (11), be equipped with pivoted axis of rotation (12) on rear end cap (18), axis of rotation (12) stretch into in sap cavity (25), just be equipped with sloping cam plate (17) on axis of rotation (12), sloping cam plate (17) with be equipped with the protection architecture of reducible sloping cam plate (17) wearing and tearing between rear end cap (18).
2. The ultra-high pressure micro swash-plate plunger pump according to claim 1, wherein the protection structure comprises an annular plate (19) on the back end cap (18), movable balls (22) are connected to the annular plate (19), and the balls (22) are in contact with the swash plate (17) and the back end cap (18).
3. The ultra-high pressure micro swash-plate plunger pump according to claim 2, wherein the swash plate (17) is provided with a first recess (26), the rear end cap (18) is provided with a second recess (27), and the balls (22) are inserted into the first recess (26) and the second recess (27).
4. The ultra-high pressure micro swash-plate plunger pump according to claim 3, wherein an arc gasket (23) is provided in the first recess (26), and the arc gasket (23) is engaged with the balls (22).
5. The ultra-high pressure micro swash plate plunger pump as claimed in claim 2, wherein the ring plate (19) is provided with fixing rods (20) in a ring shape, and the fixing rods (20) are inserted corresponding to the middle positions of the balls (22).
6. The ultra-high pressure micro swash-plate plunger pump as claimed in claim 5, wherein the fixing rod (20) is provided with a limiting ball (21), and the diameter of the limiting ball (21) is larger than the width of the fixing rod (20).
7. The ultra-high pressure micro swash-plate plunger pump according to claim 1, wherein the cylinder block (11) is provided with an oil inlet (40) connected to the liquid chamber (25), the front end cover (24) is provided with a fixed block (38) which is tightly attached to the inner wall of the cylinder body (11), temporary storage cavities (33) communicated with a pipeline for conveying hydraulic fluid are distributed in the fixed block (38) in an annular manner, a sliding plunger rod (31) is arranged in the temporary storage cavity (33), a sliding plate (30) connected with the swash plate (17) is connected onto the plunger rod (31), the plunger rod (31) is hinged with the sliding plate (30), the sliding plate (30) is connected with the swash plate (17) in a sliding way, and the swash plate (17) limits the movement of the slide plate (30) perpendicular to the swash plate (17), and a plunger cavity (32) communicated with the temporary storage cavity (33) and the liquid cavity (25) is arranged in the plunger rod (31).
8. The ultra-high pressure micro swash plate plunger pump according to claim 7, wherein the temporary storage chamber (33) is provided with a fastening member (34) tightly attached to the inner wall of the temporary storage chamber (33), the fastening member (34) is provided with a first reducing opening (35) communicated with the temporary storage chamber (33) and having a width smaller than the width of the temporary storage chamber (33), the pressing ball (24) is provided with a movable pressing ball (36), and the pressing ball (36) is connected with a first pressing spring (37) for pressing the pressing ball (36) to close the first reducing opening (35).
9. The ultra-high pressure micro swash-plate plunger pump according to claim 8, wherein a second reducing opening (44) with a width smaller than that of the temporary storage chamber (33) is arranged in the temporary storage chamber (33), a fixed net rack (43) is arranged on the inner wall of the temporary storage chamber (33) and located on one side, close to the first reducing opening (35), of the second reducing opening (44), a sealing ball (41) is arranged between the fixed net rack (43) and the second reducing opening (44), and a second pressing spring (42) which is connected with the sealing ball (41) and presses against the sealing ball (41) to seal the second reducing opening (44) is arranged on the fixed net rack (43).
10. The method of using an ultrahigh-pressure micro swash-plate plunger pump according to any one of claims 1 to 9, wherein the method of using the present invention comprises:
the rotating shaft (12) is driven to rotate by an external driving force, the rotating shaft (12) drives the swash plate (17) to rotate, and the piston rod (31) is limited by the temporary storage cavity (33), so that the swash plate (17) rotates to drive the piston rod (31) to move along the inner wall of the temporary storage cavity (33);
when the plunger rod (31) moves towards one side of the liquid cavity (25), hydraulic pressure in the temporary storage cavity (33) is reduced, the first jacking spring (37) can jack the jacking ball (36) to close the first reducing opening (35), the hydraulic pressure in the temporary storage cavity (33) is reduced, hydraulic fluid jacks the sealing ball (41), the sealing ball (41) is pressed to move towards one side of the fixed net rack (43), the second jacking spring (42) is pressed to contract, and the hydraulic fluid can enter the plunger cavity (32) from the liquid cavity (25) and finally enter the temporary storage cavity (33) for temporary storage;
when the plunger rod (31) moves away from the liquid cavity (25), the sealing ball (41) is not pressed by the hydraulic fluid any more, the contracted second pressing spring (42) presses the sealing ball (41) to seal the second reducing opening (44), the hydraulic fluid in the temporary storage cavity (33) is extruded and is enhanced, so that the pressing ball (36) is pressed, the first reducing opening (35) is not closed by the pressing ball (36), the first pressing spring (37) is compressed and contracted, and the hydraulic fluid in the temporary storage cavity (33) can flow into a pipeline for outputting the hydraulic fluid along the first reducing opening (35);
repeating the two and three steps to continuously pump out the hydraulic fluid in the liquid cavity (25);
when the swash plate (17) rotates, a part of the ball (22) is positioned in the first notch (26) and the second notch (27), and the ball (22) is contacted with the arc-shaped gasket (23) in the first notch (26), so that the swash plate (17) rotates to drive the ball (22) to rotate circumferentially around the fixed rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794845.2A CN113339221A (en) | 2021-07-14 | 2021-07-14 | Ultrahigh-pressure miniature swash plate plunger pump and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794845.2A CN113339221A (en) | 2021-07-14 | 2021-07-14 | Ultrahigh-pressure miniature swash plate plunger pump and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113339221A true CN113339221A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110794845.2A Pending CN113339221A (en) | 2021-07-14 | 2021-07-14 | Ultrahigh-pressure miniature swash plate plunger pump and using method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113339221A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1174972A (en) * | 1966-12-05 | 1969-12-17 | Applied Power Ind Inc | Improvements in or relating to Fluid Pumps or Motors |
| CN2486742Y (en) * | 2001-06-15 | 2002-04-17 | 于雷海 | Single-way valve type plunger pump |
| DE102004056019A1 (en) * | 2004-11-16 | 2006-05-24 | Alfred Kärcher Gmbh & Co. Kg | wobble drive |
| DE102005023449A1 (en) * | 2005-05-20 | 2006-12-14 | Schaeffler Kg | Swash plate mechanism |
| DE102005058071A1 (en) * | 2005-12-06 | 2007-06-14 | Schaeffler Kg | Swash plate mechanism |
| DE102007051623A1 (en) * | 2007-10-26 | 2009-04-30 | Schaeffler Kg | Swash-plate mechanism for axial-piston pump, has retainer with cylindrical shaped board that radially surrounds swash plate and thrust washer, and antifriction bearing with rolling body that is guided into retainer |
| DE102012222950A1 (en) * | 2012-12-12 | 2014-06-12 | Robert Bosch Gmbh | Swash plate machine for use as axial piston pump and axial piston motor for powertrain of motor car, has cradle bearing that is designed as roller bearing which is provided with rolling element |
| CN104405604A (en) * | 2014-10-20 | 2015-03-11 | 浙江大学 | Ultrahigh-pressure axial plunger pump |
-
2021
- 2021-07-14 CN CN202110794845.2A patent/CN113339221A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1174972A (en) * | 1966-12-05 | 1969-12-17 | Applied Power Ind Inc | Improvements in or relating to Fluid Pumps or Motors |
| CN2486742Y (en) * | 2001-06-15 | 2002-04-17 | 于雷海 | Single-way valve type plunger pump |
| DE102004056019A1 (en) * | 2004-11-16 | 2006-05-24 | Alfred Kärcher Gmbh & Co. Kg | wobble drive |
| DE102005023449A1 (en) * | 2005-05-20 | 2006-12-14 | Schaeffler Kg | Swash plate mechanism |
| DE102005058071A1 (en) * | 2005-12-06 | 2007-06-14 | Schaeffler Kg | Swash plate mechanism |
| DE102007051623A1 (en) * | 2007-10-26 | 2009-04-30 | Schaeffler Kg | Swash-plate mechanism for axial-piston pump, has retainer with cylindrical shaped board that radially surrounds swash plate and thrust washer, and antifriction bearing with rolling body that is guided into retainer |
| DE102012222950A1 (en) * | 2012-12-12 | 2014-06-12 | Robert Bosch Gmbh | Swash plate machine for use as axial piston pump and axial piston motor for powertrain of motor car, has cradle bearing that is designed as roller bearing which is provided with rolling element |
| CN104405604A (en) * | 2014-10-20 | 2015-03-11 | 浙江大学 | Ultrahigh-pressure axial plunger pump |
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