CN102338054A - Novel flow-adjustable axial plunger pump - Google Patents
Novel flow-adjustable axial plunger pump Download PDFInfo
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- CN102338054A CN102338054A CN2010102386268A CN201010238626A CN102338054A CN 102338054 A CN102338054 A CN 102338054A CN 2010102386268 A CN2010102386268 A CN 2010102386268A CN 201010238626 A CN201010238626 A CN 201010238626A CN 102338054 A CN102338054 A CN 102338054A
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Abstract
The invention discloses a novel flow-adjustable axial plunger pump. The right end of a pump shell is provided with a ball bearing, an oil seal seat and a circlip for hole, an oil distribution disc is arranged at the bottom of the left end of the pump shell, a drive shaft drives a cylinder to rotate by virtue of a spline, seven plunders are arranged in the cylinder, piston shoes are locked on the ball heads of the plungers in a wrapping manner and are pressed on a spherical variable head through a central spring, an inner sleeve, a steel ball and a retainer plate, the plungers reciprocate with the rotation of the cylinder so as to complete oil suction and discharge actions. If the displacement of the pump needs be to changed, a locking nut at the left end of the variable adjustment rod is loosen, a hand wheel at the left end of the variable adjustment rod is rotated so that the variable adjustment rod pulls the spherical variable head to swing, thus the aim of variable displacement is achieved. The variable mode of the variable mechanism is changed, weight is decreased, raw materials are saved, production cost is reduced, the novel flow-adjustable axial plunger pump is convenient to install and is worth popularizing.
Description
Technical field
The present invention relates to a kind of axial piston pump.
Background technique
Existing C Y14-1B axial piston pump was produced till now from the seventies always, and the wall thickness of foundry goods is not more corrected one's mistakes, and foundry goods is heavy, the waste raw material, and present relatively casting level is backward relatively; And in the main body in be stuck in the overcoat when being enclosed within the process of pump work, cause that inner body breaks.Variable partly adopts handwheel to rotate adjusting screw rod and drives the variable piston motion; Bearing pin drives the swash plate swing with the upper and lower motion of variable piston; The angle that has changed between swash plate and thrust plate and the transmission shaft realizes that the flow of pump changes, and whole stroking mechanism volume is big, cost is high.Thereby existing manual variable displacement pump stroking mechanism designed again, and the part in the main body is added and improves.
Summary of the invention
The object of the present invention is to provide a kind of simple in structurely, volume is little, new type of adjustable amount of restriction axial piston pump in light weight, that cost is low.
Technical solution of the present invention is:
New type of adjustable amount of restriction axial piston pump solves respectively from main body mechanism and manual stroking mechanism two great institutions.
Shank is employed between right end chamber and the transmission shaft 23 of pump case 19 ball bearing 20, oil sealing base 21 and circlip for hole 22 is housed; In the left end cavity of pump case 19; Oil distribution casing 17 usefulness locating studs 18 are contained in pump case 19 bottom; Cylinder body 16 usefulness splines connect with transmission shaft 23, and being distributed in has seven plungers 15 in the seven apertures in the human head on the cylinder body 16, at the ball head bag keyed piston shoes 14 of plunger 15; The end face of cylinder body 16 is equipped with overcoat, and central spring 12 acts on the overcoat 11, through interior cover 10, steel ball 9, backhaul dish 8 piston shoes 14 is pressed on the sphere variable head 2.
The mode that variable partly adopts the variable adjustable lever directly to change sphere variable head angle of swing changes pump delivery.Comprise pump cover 1 and 8 screw attachment of shank pump case 19 usefulness, regulate pole socket 5 and link with pump cover 1 usefulness screw thread, in the variable adjustable lever is arranged, a part of with regulate pole socket 5 Spielpassung, another partly links with adjusting pole socket 5 screw threads; The part that variable adjustable lever 4 stretches out is equipped with locking nut 6 and handwheel 7.Sphere variable head 2 is contained in the ball-and-socket of pump cover 1, on the ball-and-socket locating stud 3 is housed in the pump cover 1, and locating stud 3 is stuck in the variable groove of sphere variable head 2.There is the ball of a protrusion end of variable adjustable lever 4, snaps in the variable groove circular hole of sphere variable head 2 piston shoes 14 plane contact of sphere variable head 2 planar ends and main body.
The present invention is rational in infrastructure, can explain from the following aspects:
1, shank adopts pump case, the pump case of two parts of script to change present integrated pump case into; Eight screws and an O-ring seals have been reduced than originally; The wall thickness of foundry goods is not influencing corresponding attenuate on the intensity based, and the kidney slot of pump case is directly cast, and need not process;
2, the ball-and-socket end face of interior cover increases a step, and cover can be because of not being pressed into the stuck phenomenon that overcoat causes in making;
3, adopt a ball bearing in the right chamber of pump case, so just deduct a ball bearing and a cover inside and outside ring, use round flange and four screws instead oil sealing base and circlip for hole, reduced the cost of production of pump;
4, designed brand-new manual stroking mechanism, made script variable variable shell profile partly change inside into and be the pump cover of sphere, can find out from Fig. 3; Changed variable variable mode partly, reduced the boundary dimension of pump, size has been howed than traditional can regulate flow pump is little; Raw material are saved in weight reduction, have reduced cost of production; Easy for installation, and be convenient to the maintenance and the replacing of pump.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is the can regulate flow axial piston pump structural representation of existing technology.
Fig. 2 is the structural representation of one embodiment of the invention.
Fig. 3 is that the manual axial variable displacement plunger pump variable part profile of new type of adjustable amount of restriction axial piston pump and existing technology compares schematic representation.
Accompanying drawing 2 description of symbols: pump cover 1, sphere variable head 2, locating stud 3, variable adjustable lever 4, adjusting pole socket 5, locking nut 6, handwheel 7, steel ball 8, backhaul dish 9, interior cover 10, overcoat 11, central spring 12, bearing 13, piston shoes 14, plunger 15, cylinder body 16, oil distribution casing 17, locating stud 18, pump case 19, ball bearing 20, oil sealing base 21, circlip for hole 22, transmission shaft 23.
Embodiment:
New type of adjustable amount of restriction axial piston pump comprises main body and manual stroking mechanism two most compositions.
The shank situation is equipped with ball bearing 20, oil sealing base 21 and circlip for hole 22 between pump case 19 right-hand members and the transmission shaft 23, in the left end cavity of pump case 19; Oil distribution casing is contained in pump case 19 left bottom with locating stud 18, and transmission shaft 23 is used splined with cylinder body 16, drives cylinder body 16 rotations; Seven plungers 15 that are distributed on the cylinder body 16 are rotated around the center line of transmission shaft 23; Piston shoes 14 bags are locked in the ball head of plunger 15, and along with the rotation of cylinder body 16 is also freely rotated, central spring 12 acts on the overcoat 11; Through interior cover 10, steel ball 8, backhaul dish 9 with piston shoes 14 be pressed in the angled sphere variable head 2 of axis on; When cylinder body 16 rotated, seven plungers 15 were simultaneously reciprocating, accomplished the action of suction oil.
Manually variable partly when needs change this pump delivery, unclamps the locking nut 6 of variable adjustable lever 4 left ends earlier; Rotate variable adjustable lever 4 left end handwheels 7, make variable adjustable lever 4 or move left to the right, when this pump delivery of needs becomes big; Clockwise adjusting handle 7; Variable adjustable lever 4 moves right, and sphere variable head 2 strengthens with the tilt angle of center line, and it is big that the flow of pump also becomes thereupon; When this pump delivery of needs diminishes, counterclockwise adjusting handle 7, variable adjustable lever 4 moves left, and sphere variable head 2 reduces with the tilt angle of center line, and the flow of pump diminishes thereupon.When reaching needed discharge capacity, tighten the locking nut 6 on variable adjustable lever 4 left sides, utilize the principle of double nut locking, make variable adjustable lever 4 fixed.When in use requiring to change this pump delivery again, above-mentioned adjustment process can be repeated, manual variable can be realized.
Claims (6)
1. a new type of adjustable amount of restriction axial piston pump comprises shank and manual variable part; Shank is employed between right end chamber and the transmission shaft of pump case ball bearing, oil sealing base and circlip for hole is housed, and in the left end cavity of pump case, oil distribution casing is contained in the pump case bottom with locating stud; Cylinder body is with spline and propeller shaft couplings; Being distributed in has seven plungers in the seven apertures in the human head on the cylinder body, at the ball head bag keyed piston shoes of plunger, the end face of cylinder body is equipped with overcoat; The central spring effect is pressed in piston shoes on the sphere variable head through interior cover, steel ball, backhaul dish on the coat; Variable partly adopts pump cover and shank pump case with 8 screw attachment, regulate pole socket and link with screw thread with pump cover, in the variable adjustable lever is arranged, a part of with regulate the pole socket Spielpassung, another part links with adjusting pole socket screw thread; The part that the variable adjustable lever stretches out is equipped with locking nut and handwheel.Sphere variable head is contained in the ball-and-socket of pump cover, on the ball-and-socket locating stud is housed in the pump cover, and locating stud is stuck in the variable groove of sphere variable head.There is the ball of a protrusion end of variable adjustable lever, snaps in the variable slotted eye of sphere variable head the piston shoes plane contact of sphere variable head plane end and main body.
2. by the described new type of adjustable amount of restriction of claim 1 axial piston pump, it is characterized in that the pump housing is integrated, the corresponding attenuate of casting section thickness, the kidney slot of the pump housing is directly cast, and need not process.
3. by the described new type of adjustable amount of restriction of claim 1 axial piston pump, the ball-and-socket end face of cover increases a limited step in it is characterized in that.
4. by the described new type of adjustable amount of restriction of claim 1 axial piston pump, it is characterized in that adopting oil sealing base and circlip for hole at the right-hand member of pump.
5. by the described new type of adjustable amount of restriction of claim 1 axial piston pump, the intermediate portion that it is characterized in that the variable adjustable lever have one with regulate pole socket and regulate spacing cylindrical section.
6. by the described new type of adjustable amount of restriction of claim 1 axial piston pump, it is characterized in that pump cover and sphere variable head are with the contacted mode variable of sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102386268A CN102338054A (en) | 2010-07-28 | 2010-07-28 | Novel flow-adjustable axial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102386268A CN102338054A (en) | 2010-07-28 | 2010-07-28 | Novel flow-adjustable axial plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102338054A true CN102338054A (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102386268A Pending CN102338054A (en) | 2010-07-28 | 2010-07-28 | Novel flow-adjustable axial plunger pump |
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| CN (1) | CN102338054A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267003A (en) * | 2013-04-16 | 2013-08-28 | 意宁液压股份有限公司 | Manual variable double-piston pump |
| CN104863813A (en) * | 2015-06-01 | 2015-08-26 | 安徽理工大学 | Swash plate type axial plunger pump or motor pressing device |
| CN108361165A (en) * | 2018-04-09 | 2018-08-03 | 李涌权 | Volume adjustable fluid pump |
| CN113339222A (en) * | 2021-07-20 | 2021-09-03 | 安徽理工大学 | Double-row axial plunger pump based on digital variable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695672Y (en) * | 2004-01-08 | 2005-04-27 | 启东高压油泵有限公司 | Small displacement manual variable axial plunger pump |
| CN201284726Y (en) * | 2008-10-15 | 2009-08-05 | 徐绳武 | Improved axial plunger pump |
-
2010
- 2010-07-28 CN CN2010102386268A patent/CN102338054A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695672Y (en) * | 2004-01-08 | 2005-04-27 | 启东高压油泵有限公司 | Small displacement manual variable axial plunger pump |
| CN201284726Y (en) * | 2008-10-15 | 2009-08-05 | 徐绳武 | Improved axial plunger pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267003A (en) * | 2013-04-16 | 2013-08-28 | 意宁液压股份有限公司 | Manual variable double-piston pump |
| CN103267003B (en) * | 2013-04-16 | 2015-08-12 | 意宁液压股份有限公司 | Manual variable double-piston pump |
| CN104863813A (en) * | 2015-06-01 | 2015-08-26 | 安徽理工大学 | Swash plate type axial plunger pump or motor pressing device |
| CN104863813B (en) * | 2015-06-01 | 2017-01-25 | 安徽理工大学 | Swash plate type axial plunger pump or motor pressing device |
| CN108361165A (en) * | 2018-04-09 | 2018-08-03 | 李涌权 | Volume adjustable fluid pump |
| CN113339222A (en) * | 2021-07-20 | 2021-09-03 | 安徽理工大学 | Double-row axial plunger pump based on digital variable |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120201 |