CN203717271U - Ball type plunger of plunger pump - Google Patents

Ball type plunger of plunger pump Download PDF

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Publication number
CN203717271U
CN203717271U CN201420086605.2U CN201420086605U CN203717271U CN 203717271 U CN203717271 U CN 203717271U CN 201420086605 U CN201420086605 U CN 201420086605U CN 203717271 U CN203717271 U CN 203717271U
Authority
CN
China
Prior art keywords
plunger
spring
steel ball
pump
cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420086605.2U
Other languages
Chinese (zh)
Inventor
吕建强
吕宸
何峰
冯秀清
卜云峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaiyin Institute of Technology
Original Assignee
Huaiyin Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaiyin Institute of Technology filed Critical Huaiyin Institute of Technology
Priority to CN201420086605.2U priority Critical patent/CN203717271U/en
Application granted granted Critical
Publication of CN203717271U publication Critical patent/CN203717271U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a ball type plunger of a plunger pump. The ball type plunger consists of a left end cover, an inclined disk, a rotary steel ball, a spring seat, a backspring, a plunger body, a spring, a steel ball, a plug, a cylinder body, a right end cover, an auxiliary gear pump, a main shaft and an oil discharging opening. The utility model provides a plunger pump ball type plunger structure matched with an axial plunger pump, so that sliding friction between the plunger in working and the inclined disk is changed into rolling friction, and abrasion to a contact position of the top end of the plunger and the inclined disk is reduced.

Description

Plunger pump ball type plunger
Technical field
The utility model relates to the pressure of liquid to be carried, and is specifically related to plunger pump structure.
Background technique
At present, on market, the plunger pump of extensive use has two kinds of radial plunger pump and axial piston pumps.Wherein, in axial plunger pump work, swash plate contacts with plunger end, and swash plate promotes plunger to-and-fro motion, carries out the work of oil suction force feed.In work, plunger produces relative slip with swash plate, becomes sliding friction, and the wearing and tearing of plunger top and swash plate contacting point are larger, affect plunger pump quality and life-span.
Summary of the invention
The purpose of this utility model is: the plunger pump ball type piston structure that provides a kind of and axial piston pump to adapt, makes plunger in work become rolling friction with the sliding friction of swash plate, the wearing and tearing of minimizing plunger top and swash plate contacting point.
Technical solution of the present utility model is: the utility model plunger pump ball type plunger, and by left end cap, swash plate, rotation steel ball, spring seat, retracting spring, plunger, spring, steel ball, obstruction, cylinder body, right end cap, auxiliary gear pump, main shaft, rush down hydraulic fluid port and form.Left end cap, cylinder body, right end cap are linked to be plunges pump body by bolt, and main shaft is connected with equipment gear pump shaft by a pair of radial ball bearing and is fixed in the middle of plunges pump body, and swash plate is connected with main shaft by flat key, and swash plate contacts with left end cap by a thrust-bearing simultaneously.Swash plate contacts with 6 rotation steel balls, and 6 rotation steel balls are set in respectively in 6 plungers, and 6 plungers are inserted in cylinder body respectively.Spring seat is connected to plunger flange place, and retracting spring contacts with spring seat, cylinder body, and retracting spring makes plunger inlay rotation steel ball and swash plate keeps contact condition all the time.Obstruction is fixed on plunger right-hand member with screw thread, and steel ball contacts with obstruction, and spring contacts with steel ball with plunger, it is upper that spring makes steel ball be pressed in obstruction, and steel ball makes the aperture sealing of stopping up, during plunger force feed, when oil pressure reaches certain value, promote steel ball, flow into a certain amount of oil rotation steel ball is lubricated.Rush down hydraulic fluid port and be positioned at left end cap lower end, oil in left end cap chamber is gushed, in order to avoid affect working efficiency.
The utlity model has following advantage:
1, make the sliding friction of plunger and swash plate in plunger pump work become rolling friction, reduce the wearing and tearing of plunger top and swash plate contacting point.
2, plunger adopts hollow structure, is easy to processing with the logical lubricant oil aperture of rotation steel ball contacting point.
3, plunger, with stopping up plunger hollow article and the isolation of plunger pump active chamber, improves the oil pressure of plunger force feed operating time, stops up to have gone up aperture and can be and rotate steel ball a certain amount of lubricant oil is provided simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, left end cap, 2, swash plate, 3, rotation steel ball, 4, spring seat, 5, retracting spring, 6, plunger, 7, spring, 8, steel ball, 9, stop up, 10, cylinder body, 11, right end cap, 12, auxiliary gear pump, 13, main shaft, 14, rush down hydraulic fluid port.
Embodiment
As shown in Figure 1, the plunger pump ball type piston structure that the utility model provides a kind of and axial piston pump to adapt, plunger pump ball type plunger by left end cap 1, swash plate 2, rotation steel ball 3, spring seat 4, retracting spring 5, plunger 6, spring 7, steel ball 8, stop up 9, cylinder body 10, right end cap 11, auxiliary gear pump 12, main shaft 13, rush down hydraulic fluid port 14 and form.Left end cap 1, cylinder body 10, right end cap 11 are linked to be plunges pump body by bolt, main shaft 13 is connected with auxiliary gear pump 12 axles by a pair of radial ball bearing and is fixed in the middle of plunges pump body, swash plate 2 is connected with main shaft 13 by flat key, and swash plate 2 contacts with left end cap 1 by a thrust-bearing simultaneously.Swash plate 2 contacts with 6 rotation steel balls 3, and 6 rotation steel balls 3 are set in respectively in 6 plungers 6, and 6 plungers 6 are inserted in respectively in cylinder body 10.Spring seat 4 is connected to plunger 6 flange places, and retracting spring 5 contacts with spring seat 4, cylinder body 10, and retracting spring 5 makes plunger 6 inlay rotation steel ball 3 and swash plate 2 keeps contact condition all the time.Stop up 9 use screw threads and be fixed on plunger 6 right-hand members, steel ball 8 contacts with obstruction 9, spring 7 contacts with steel ball 8 with plunger 6, spring 7 is pressed in obstruction 9 steel ball 8, steel ball 8 makes to stop up 9 aperture sealing, during plunger 6 force feed, when oil pressure reaches certain value, promote steel ball 8, flow into a certain amount of oil rotation steel ball 3 is lubricated.Rush down hydraulic fluid port 14 and be positioned at left end cap 1 lower end, oil in left end cap 1 chamber is gushed, in order to avoid affect working efficiency.

Claims (1)

1. plunger pump ball type plunger, comprise left end cap (1), swash plate (2), rotation steel ball (3), spring seat (4), retracting spring (5), plunger (6), spring (7), steel ball (8), stop up (9), cylinder body (10), right end cap (11), auxiliary gear pump (12), main shaft (13), rush down hydraulic fluid port (14), it is characterized in that: left end cap (1), cylinder body (10), right end cap (11) is linked to be plunges pump body by bolt, main shaft (13) is connected with auxiliary gear pump (12) axle by a pair of radial ball bearing and is fixed in the middle of plunges pump body, swash plate (2) is connected with main shaft (13) by flat key, swash plate (2) contacts with left end cap (1) by a thrust-bearing simultaneously, swash plate (2) contacts with 6 rotation steel balls (3), 6 rotation steel balls (3) are set in respectively in 6 plungers (6), 6 plungers (6) are inserted in respectively in cylinder body (10), spring seat (4) is connected to plunger (6) flange place, retracting spring (5) contacts with spring seat (4), cylinder body 10, and retracting spring (5) makes plunger (6) inlay rotation steel ball (3) and swash plate (2) keeps contact condition all the time, stop up (9) and be fixed on plunger (6) right-hand member with screw thread, steel ball (8) contacts with obstruction (9), spring (7) contacts with steel ball (8) with plunger (6), it is upper that spring (7) makes steel ball (8) be pressed in obstruction (9), rushes down hydraulic fluid port (14) and be positioned at left end cap (1) lower end.
CN201420086605.2U 2014-02-24 2014-02-24 Ball type plunger of plunger pump Expired - Fee Related CN203717271U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420086605.2U CN203717271U (en) 2014-02-24 2014-02-24 Ball type plunger of plunger pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420086605.2U CN203717271U (en) 2014-02-24 2014-02-24 Ball type plunger of plunger pump

Publications (1)

Publication Number Publication Date
CN203717271U true CN203717271U (en) 2014-07-16

Family

ID=51156431

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420086605.2U Expired - Fee Related CN203717271U (en) 2014-02-24 2014-02-24 Ball type plunger of plunger pump

Country Status (1)

Country Link
CN (1) CN203717271U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626506A (en) * 2016-02-20 2016-06-01 杭州佳巨机械配件有限公司 Connector of plunger pump
CN107956871A (en) * 2017-10-18 2018-04-24 潍柴动力股份有限公司 There is the plunger of wear-resistant warping resistance and plunger pump or piston motor
CN108894940A (en) * 2018-06-28 2018-11-27 西安交通大学 A kind of aircraft steering engine sloping tray axial electric-motor pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626506A (en) * 2016-02-20 2016-06-01 杭州佳巨机械配件有限公司 Connector of plunger pump
CN107956871A (en) * 2017-10-18 2018-04-24 潍柴动力股份有限公司 There is the plunger of wear-resistant warping resistance and plunger pump or piston motor
CN108894940A (en) * 2018-06-28 2018-11-27 西安交通大学 A kind of aircraft steering engine sloping tray axial electric-motor pump

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140716

Termination date: 20150224

EXPY Termination of patent right or utility model