CN207847863U - A kind of plunger pump - Google Patents

A kind of plunger pump Download PDF

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Publication number
CN207847863U
CN207847863U CN201820238208.0U CN201820238208U CN207847863U CN 207847863 U CN207847863 U CN 207847863U CN 201820238208 U CN201820238208 U CN 201820238208U CN 207847863 U CN207847863 U CN 207847863U
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CN
China
Prior art keywords
plunger
pump
valve
seat
flow divider
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.)
Active
Application number
CN201820238208.0U
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Chinese (zh)
Inventor
陈敏
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.)
Xiamen Ride On Water Equipment Co Ltd
Original Assignee
Xiamen Ride On Water Equipment Co Ltd
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 Xiamen Ride On Water Equipment Co Ltd filed Critical Xiamen Ride On Water Equipment Co Ltd
Priority to CN201820238208.0U priority Critical patent/CN207847863U/en
Application granted granted Critical
Publication of CN207847863U publication Critical patent/CN207847863U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to a kind of plunger pumps, including seat, oil injecting screw hole and installation bolt under connecting shaft, pump upper shell, plunger, flow divider, direction valve, pump, the one end of the connecting shaft connects plunger mat by positioning pin, the plunger mat embeds flow divider, the flow divider connects direction valve by connecting tube, and seat forms shell with pump upper shell under the pump, and there is overflow valve in seat inner cavity under the pump, and seat connects installation bolt under pump, and check valve is connected on the right side of the direction valve.The utility model uses twin columns plug structure, has many advantages, such as that flow-rate adjustment is convenient, compact-sized, efficient.

Description

A kind of plunger pump
Technical field
The utility model is related to pump technical field more particularly to a kind of plunger pumps.
Background technology
Plunger part is the critical component of pluger type hydraulic pump, it and cylinder bore constitute the most basic work of plunger pump and hold Chamber.Plunger part moves back and forth in cylinder body, causes cylinder bore cavity volume size variation, promotes plunger pump oil suction, oil extraction.One Platform plunger pump need to generally use seven sets of plungers, production requirement amount big.Plunger pump oil suction, oil extraction process are all happened at cylinder bore vessel Interior therefore relatively high to the quality requirement of plunger part, the gap between cylinder bore is also very crucial:If gap is too small, Plunger motion will be caused interim card, wear phenomenon occur;If gap excessive the phenomenon that declining it will cause oil leak and efficiency.Cause This, the structure and processing technology of plunger have tremendous influence to plunger pump.
Utility model content
The purpose of this utility model is to provide a kind of plunger pump, to solve the prior art because structure and assembly technology limit, Caused by low production efficiency, the problems such as stopper head hardness is uneven, product quality can not ensure.The utility model research staff couple This has made intensive studies, and after having paid a large amount of creative works, completes the research and development of the utility model.
Technical solution adopted by the utility model to solve its technical problems is:On a kind of plunger pump, including connecting shaft, pump Shell, plunger, flow divider, direction valve, seat, oil injecting screw hole and installation bolt under pump, the one end of the connecting shaft pass through positioning Pin connection plunger mat, the plunger mat embed flow divider, and the flow divider connects direction valve by connecting tube, seat under the pump Shell is formed with pump upper shell, there is overflow valve in seat inner cavity under the pump, and pumps beneath seat and connect installation bolt, the direction valve Right side connects check valve.
In a kind of oil pump described in the utility model, as an improvement, the overflow valve includes:Overflow valve spring, Overflow valve spring retainer, overflow valve hoodle, voltage regulation screw and voltage regulation screw O-ring, by hydraulic fluid port nut locking below the overflow valve.
In a kind of oil pump described in the utility model, as an improvement, the flow divider includes:Flow divider hoodle, Valve spring and shunting valve spring retainer are shunted, the flow divider spring one end connects connecting tube.
In a kind of oil pump described in the utility model, as an improvement, the check valve includes:One-way valve spring Seat, spring, unidirectional valve deck and sealing hoodle, the sealing hoodle abut against direction valve.
In a kind of oil pump described in the utility model, as an improvement, the plunger is located in plunger mat, in plunger Embedded with plunger spring seat and spring, the plunger spring seat is fixed in plunger mat.
In a kind of oil pump described in the utility model, as an improvement, have between the plunger mat and pump lower bottom base Bearing and plane needle bearing.
The utility model has the beneficial effects that:By advanced optimizing and improving to plunger pump structure, optimize part matter Amount improves production efficiency, and then is largely fulfilled cost savings;Plunger body outer margin deformation is effectively avoided, ensures to use Performance, be also equipped with energy saving, service life is long, be simple to manufacture be suitble to large-scale production the advantages that.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model.
In figure:1, connecting shaft, 2, oil injecting screw hole, 3, pump upper shell, 4, flow divider, 5, flow divider hoodle, 6, flow divider Spring, 7, shunting valve spring retainer, 8, connecting tube, 9, sealing ring, 10, bearing, 11, plane needle bearing, 12, seat under pump, 13, One-way valve spring seat, 14, unidirectional valve deck, 15, spring, 16, sealing hoodle, 17, installation bolt, 18, hydraulic fluid port nut, 19, pressure regulation Screw O-ring, 20, direction valve, 21, voltage regulation screw, 22, overflow valve hoodle, 23, overflow valve spring retainer, 24, overflow valve spring, 25, flow divider copper sheathing, 26, rubber cushion sealing ring, 27, plunger spring seat, 28, spring, 29, plunger, 30, plunger mat, 31, positioning Pin.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.But the purposes of these exemplary embodiments Only it is used for enumerating the utility model with purpose, any type of any limit not is constituted to the real protection scope of the utility model It is fixed, it is more non-that the scope of protection of the utility model is confined to this.
As shown, the utility model provides a kind of plunger pump, including connecting shaft 1, pump upper shell 3, plunger 29, shunting The beneath seat 12 of valve 4, direction valve 20, pump, oil injecting screw hole 2 and installation bolt 17,1 bottom end of connecting shaft are located in plunger 29, plunger 29 pump under the drive of connecting shaft 1, and 1 one end of connecting shaft connects plunger mat 30 by positioning pin 31;Plunger mat Also embedded flow divider 4, flow divider 4 connect direction valve 20 by connecting tube 8 in 30, and flow divider 4 includes:Flow divider hoodle 5, shunting Valve spring 6, flow divider copper sheathing 25 and shunting valve spring retainer 7,4 spring one end of flow divider connect connecting tube 8, plunger mat 30 and shunting Valve 4 is connected, and fluid flows to flow divider 4 by plunger mat 30.
Plunger 29 is located in plunger mat 30, and plunger 29 is embedded with plunger spring seat 27 and spring 28, and plunger spring seat 27 is solid Due in plunger mat 30, pump housing pressure pushes plunger 29 to pump, and spring 28 plays the role of replying displacement, plunger 29 When bouncing, plunger 29 even logical flow divider 4, plunger 29 down when, plunger 29 is isolated with flow divider 4.
Seat 12 forms shell with pump upper shell 3 under pump, between be lined with rubber cushion sealing ring 26, pump under 12 inner cavity of seat have it is excessive Valve is flowed, the fluid in pump case can flow into overflow valve, and overflow valve includes:Overflow valve spring 24, overflow valve spring retainer 23, overflow valve Hoodle 22, voltage regulation screw 21 and voltage regulation screw O-ring 19 are locked below overflow valve, 21 basis of voltage regulation screw by hydraulic fluid port nut 18 Pressure size carries out opening and closing action in overflow valve.
And seat 12 connects installation bolt 17 under pump, pump can be fixed on reliable place by installation bolt 17, and direction valve 20 is right Side connects check valve;Direction valve can squeeze to the right check valve according to pressure size in the pump housing, and check valve includes:One-way valve spring Seat 13, spring 15, unidirectional valve deck 14 and sealing hoodle 16, sealing hoodle 16 abut against direction valve 20, and check valve is in the side of direction valve Surface pressure works under pushing.
There are bearing 10 and plane needle bearing 11 between plunger mat 30 and pump lower bottom base 12, when improving 29 displacement of plunger Flexibility.

Claims (6)

1. a kind of plunger pump, which is characterized in that including connecting shaft, pump upper shell, plunger, flow divider, direction valve, seat under pump, Oil injecting screw hole and installation bolt, the one end of the connecting shaft connect plunger mat by positioning pin, and the plunger mat embeds flow divider, The flow divider connects direction valve by connecting tube, and seat and pump upper shell form shell under the pump, under the pump in seat Chamber has overflow valve, and pumps beneath seat and connect installation bolt, and check valve is connected on the right side of the direction valve.
2. a kind of plunger pump according to claim 1, which is characterized in that the overflow valve includes:Overflow valve spring, overflow Valve spring retainer, overflow valve hoodle, voltage regulation screw and voltage regulation screw O-ring, by hydraulic fluid port nut locking below the overflow valve.
3. a kind of plunger pump according to claim 1, which is characterized in that the flow divider includes:Flow divider hoodle, shunting Valve spring and shunting valve spring retainer, the flow divider spring one end connect connecting tube.
4. a kind of plunger pump according to claim 1, which is characterized in that the check valve includes:One-way valve spring seat, bullet Spring, unidirectional valve deck and sealing hoodle, the sealing hoodle abut against direction valve.
5. a kind of plunger pump according to claim 1, which is characterized in that the plunger is located in plunger mat, and plunger is embedded There are plunger spring seat and spring, the plunger spring seat to be fixed in plunger mat.
6. a kind of plunger pump according to claim 1, which is characterized in that have bearing between the plunger mat and pump lower bottom base With plane needle bearing.
CN201820238208.0U 2018-02-10 2018-02-10 A kind of plunger pump Active CN207847863U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820238208.0U CN207847863U (en) 2018-02-10 2018-02-10 A kind of plunger pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820238208.0U CN207847863U (en) 2018-02-10 2018-02-10 A kind of plunger pump

Publications (1)

Publication Number Publication Date
CN207847863U true CN207847863U (en) 2018-09-11

Family

ID=63409485

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820238208.0U Active CN207847863U (en) 2018-02-10 2018-02-10 A kind of plunger pump

Country Status (1)

Country Link
CN (1) CN207847863U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112392719A (en) * 2020-11-20 2021-02-23 四川省机械技术服务中心 High-efficient compact plunger pump plunger device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112392719A (en) * 2020-11-20 2021-02-23 四川省机械技术服务中心 High-efficient compact plunger pump plunger device
CN112392719B (en) * 2020-11-20 2022-04-19 四川省机械技术服务中心有限责任公司 High-efficient compact plunger pump plunger device

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