CN208330643U - A kind of high-pressure plunger pump of carry potential overflow valve - Google Patents

A kind of high-pressure plunger pump of carry potential overflow valve Download PDF

Info

Publication number
CN208330643U
CN208330643U CN201820896091.5U CN201820896091U CN208330643U CN 208330643 U CN208330643 U CN 208330643U CN 201820896091 U CN201820896091 U CN 201820896091U CN 208330643 U CN208330643 U CN 208330643U
Authority
CN
China
Prior art keywords
valve
pump housing
spool
pocket
overflow valve
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
CN201820896091.5U
Other languages
Chinese (zh)
Inventor
孙伟国
张时琨
董乾清
严锋杰
杨川
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.)
NINGBO FUSLE MECHANICAL MANUFACTURING Co Ltd
Original Assignee
NINGBO FUSLE MECHANICAL MANUFACTURING 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 NINGBO FUSLE MECHANICAL MANUFACTURING Co Ltd filed Critical NINGBO FUSLE MECHANICAL MANUFACTURING Co Ltd
Priority to CN201820896091.5U priority Critical patent/CN208330643U/en
Application granted granted Critical
Publication of CN208330643U publication Critical patent/CN208330643U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Details Of Reciprocating Pumps (AREA)

Abstract

The utility model relates to a kind of high-pressure plunger pump of carry potential overflow valve, including the pump housing, overflow valve is connected on the pump housing, and the overflow valve is located on the conduit wall between the water inlet and water outlet that the pump housing is equipped with;The overflow valve includes off-load bonnet, valve rod, valve pocket, valve seat, spool, valve deck, and the spool is located in the first through hole that valve seat is equipped with, and the valve seat is located in valve pocket, and is limited and fixed by valve deck, which is fixed on valve pocket;Open bottom on one end of the spool and the conduit wall of the pump housing is inconsistent, and the other end of spool passes through the second through-hole that valve deck is equipped with and inconsistent with one end of valve rod;The utility model has the following beneficial effects: by adding overflow valve on the conduit wall between the water inlet and water outlet of the pump housing, when plunger pump stops working, so that the load reduction of driving motor, to also guarantee plunger performance, prolong the service life.

Description

A kind of high-pressure plunger pump of carry potential overflow valve
Technical field
The utility model belongs to plunger pump technique field more particularly to a kind of carry potential overflow valve suitable on jetting machine High-pressure plunger pump.
Background technique
Jetting machine is the machine for making high-pressure plunger pump generation high pressure water to rinse body surface by power device, Plunger pump is the important device of distribution cleaning fluid in jetting machine, is respectively equipped with inlet and outlet on plunger pump, and Plunger by pumping upper side works so that inlet and outlet are connected to or be separated, and the plunger is by transmission device and drives Dynamic motor is connected and reciprocating, very big due to pumping intracorporal pressure when plunger pump stops working, so that driving motor Load can be very big, also will affect the performance of plunger over time.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of high-pressure column of carry potential overflow valve Plug pump, when plunger pump stops working, so that the load reduction of driving motor, to also guarantee that plunger performance, extension use the longevity Life.
The purpose of this utility model is completed by following technical solution, the high-pressure plunger pump packet of this carry potential overflow valve Include the pump housing, be connected with overflow valve on the pump housing, and the overflow valve be located at water inlet that the pump housing is equipped with and water outlet it Between conduit wall on;The overflow valve includes off-load bonnet, valve rod, valve pocket, valve seat, spool, valve deck, and the spool is located at In the first through hole that valve seat is equipped with, the valve seat is located in valve pocket, and is limited and fixed by valve deck, which is fixed on valve pocket On;Open bottom on one end of the spool and the conduit wall of the pump housing is inconsistent, and the other end of spool passes through set by valve deck The second through-hole for having is simultaneously inconsistent with one end of valve rod;It is logical that the other end of the valve rod is located at the third having set by off-load bonnet Kong Shang;It accompanies spring between the off-load bonnet and valve rod, and the spring pocket is on valve rod, and passes through the off-load bonnet Overflow valve is fixed on the pump housing.
Preferably, the valve rod positioned at off-load bonnet end is connected with extraneous controller, and pass through controller Control come driving stem and valve core chamber axial movement.
Preferably, the spring pocket, on valve rod, one end of the spring limits on the end face of valve rod, other end limit Position is on spring pressuring ring, and the spring pressuring ring is fixed on off-load bonnet.
Preferably, being equipped with the first apopore, the first apopore phase with the valve pocket at the valve wall of the valve pocket is radial The second apopore is equipped at the valve wall of corresponding valve seat is radial.
Preferably, the valve pocket is located in the opening on the conduit wall of the pump housing, and valve rod is located at valve pocket and unloading valve In cap.
The utility model has the following beneficial effects: excessive by being added on the conduit wall between the water inlet and water outlet of the pump housing Valve is flowed, when plunger pump stops working, so that the load reduction of driving motor, to also guarantee that plunger performance, extension use the longevity Life.
Detailed description of the invention
Fig. 1 is the whole configuration schematic diagram of the utility model.
Label in attached drawing is respectively as follows: the 1, pump housing;2, overflow valve;11, water inlet;12, water outlet;13, it is open;21, it unloads Lotus bonnet;22, valve rod;23, valve pocket;24, valve seat;25, spool;26, valve deck;27, the first spring;28, spring pressuring ring;211, Three through-holes;231, the first apopore;241, first through hole;242, the second apopore;261, the second through-hole.
Specific embodiment
Do detailed introduction to the utility model below in conjunction with attached drawing: as shown in Fig. 1, the utility model includes the pump housing 1, overflow valve 2 is connected on the pump housing 1, and the overflow valve 2 is located at the water inlet 11 and water outlet 12 that the pump housing 1 is equipped with Between conduit wall on;The overflow valve 2 includes off-load bonnet 21, valve rod 22, valve pocket 23, valve seat 24, spool 25, valve deck 26, the spool 25 is located in the first through hole 241 that valve seat 24 is equipped with, and the valve seat 24 is located in valve pocket 23, and by The limit of valve deck 26 is fixed, which is fixed on valve pocket 23;One end of the spool 25 and opening on the conduit wall of the pump housing 1 13 bottoms of mouth are inconsistent, and the other end of spool 25 passes through the second through-hole 261 that valve deck 26 is equipped with and one end phase with valve rod 22 It contradicts;The other end of the valve rod 22 is located on the third through-hole 211 that off-load bonnet 21 is equipped with;The off-load bonnet 21 Accompany spring 27 between valve rod 22, and 27 sets of the spring is on valve rod 22, and by the off-load bonnet 21 by overflow valve 2 It is fixed on the pump housing 1;The valve rod 22 positioned at 21 end of off-load bonnet is connected with extraneous controller, and passes through controller Control carry out axial movement between driving stem 22 and spool 25.
When the hydraulic balance in the pump housing 1, in the raw, controller is in close state spring 27 at this time, and Promote spool 25 and 13 bottom of opening on the conduit wall of the pump housing 1 inconsistent, and is in state of pressure keeping;Hydraulic pressure in the pump housing 1 It is when excessively high, controller is in the open state, and promote the axial movement of valve rod 22 that spring 27 is made to be in compressive state, valve at this time Spool 25 in seat 24 moves axially, and is flowed out by the second apopore 242 of the first water outlet 231 and valve seat 24 in valve pocket 23 To extraneous water tank, thus to reduce the intracorporal hydraulic pressure of pump, so that the load reduction of driving motor, to also guarantee plunger Can, it prolong the service life.
On valve rod 22, one end of the spring 27 limits on the end face of valve rod 22 described 27 sets of spring, other end limit Position is on spring pressuring ring 28, and the spring pressuring ring 28 is fixed on off-load bonnet 21, makes the stabilization of spring 27 with this configuration Property is more preferable.
The first apopore 231,231 phase of the first apopore with the valve pocket 23 are equipped at the valve wall of the valve pocket 23 is radial The second apopore 242, and first apopore 231 and 242 phase of the second apopore are equipped at the valve wall of corresponding valve seat 24 is radial Alignment;During operating overflow valve 2, the spool 25 in valve seat 24 is moved axially, and water energy at this time is from by valve pocket 23 Second apopore 242 of the first water outlet 231 and valve seat 24 flows out in extraneous water tank, thus to reduce the intracorporal water of pump Pressure.
The valve pocket 23 is located in the opening 13 on the conduit wall of the pump housing 1, and valve rod 22 is located at valve pocket 23 and unloading valve In cap 21.
The utility model is not limited to above embodiment, makees any variation no matter constituting in its shape or material, all It is to be designed using structure provided by the utility model, is all a kind of deformation of the utility model, is considered as practical new at this Within type protection scope.

Claims (5)

1. a kind of high-pressure plunger pump of carry potential overflow valve, including the pump housing (1), it is characterised in that: be connected on the pump housing (1) excessive It flows valve (2), and the overflow valve (2) is located at the conduit wall between the pump housing (1) water inlet (11) being equipped with and water outlet (12) On;The overflow valve (2) includes off-load bonnet (21), valve rod (22), valve pocket (23), valve seat (24), spool (25), valve deck (26), the spool (25) is located in the first through hole (241) that valve seat (24) is equipped with, and the valve seat (24) is located at valve pocket (23) it in, and is limited and is fixed by valve deck (26), which is fixed on valve pocket (23);One end of the spool (25) with Opening (13) bottom on the conduit wall of the pump housing (1) is inconsistent, the other end of spool (25) pass through that valve deck (26) be equipped with the Two through-holes (261) are simultaneously inconsistent with one end of valve rod (22);The other end of the valve rod (22) is located at off-load bonnet (21) institute On the third through-hole (211) being equipped with;It is accompanied spring (27) between the off-load bonnet (21) and valve rod (22), and the spring (27) it covers on valve rod (22), and overflow valve (2) is fixed on the pump housing (1) by the off-load bonnet (21).
2. the high-pressure plunger pump of carry potential overflow valve according to claim 1, it is characterised in that: described is located at off-load bonnet (21) valve rod (22) held is connected with extraneous controller, and by the control of controller come the axis of driving stem and valve core chamber To movement.
3. the high-pressure plunger pump of carry potential overflow valve according to claim 1, it is characterised in that: the spring (27) is covered in valve On bar (22), one end of the spring (27) is limited on the end face of valve rod (22), and the other end limits on spring pressuring ring (28), and The spring pressuring ring (28) is fixed on off-load bonnet (21).
4. the high-pressure plunger pump of carry potential overflow valve according to claim 1, it is characterised in that: the valve wall of the valve pocket (23) The first apopore (231) are equipped at radial, the valve wall of valve seat (24) corresponding with the first apopore (231) of the valve pocket (23) The second apopore (242) are equipped at radial.
5. the high-pressure plunger pump of carry potential overflow valve according to claim 1, it is characterised in that: the valve pocket (23) is located at pump In opening (13) on the conduit wall of body (1), and valve rod (22) is located in valve pocket (23) and off-load bonnet (21).
CN201820896091.5U 2018-06-11 2018-06-11 A kind of high-pressure plunger pump of carry potential overflow valve Active CN208330643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820896091.5U CN208330643U (en) 2018-06-11 2018-06-11 A kind of high-pressure plunger pump of carry potential overflow valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820896091.5U CN208330643U (en) 2018-06-11 2018-06-11 A kind of high-pressure plunger pump of carry potential overflow valve

Publications (1)

Publication Number Publication Date
CN208330643U true CN208330643U (en) 2019-01-04

Family

ID=64773762

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820896091.5U Active CN208330643U (en) 2018-06-11 2018-06-11 A kind of high-pressure plunger pump of carry potential overflow valve

Country Status (1)

Country Link
CN (1) CN208330643U (en)

Similar Documents

Publication Publication Date Title
CN103615270B (en) A kind of single hydraulic prop hydraulic pressure three-purpose valve
CN105570208A (en) Noise-reducing dual-circuit oil pump
CN203718031U (en) Button valve
CN208330643U (en) A kind of high-pressure plunger pump of carry potential overflow valve
CN204738957U (en) Novel combination valve style water injection pump
CN202302081U (en) Double-direction water supply switch valve
CN208330644U (en) A kind of novel high-pressure plunger pump
CN208089479U (en) A kind of fluid end of mashing pump
CN201269320Y (en) Balancing type manual sluice valve
CN207261338U (en) Tandem piggybacking formula multipath hydraulic control device
CN208123568U (en) A kind of valve convenient for safeguarding
CN201257491Y (en) Die forging hammer hydraulic lower ejection device
CN205918904U (en) Mechanical seal washes and uses liquid supplementation device
CN203892638U (en) Multifunctional automatic recirculating pump protection valve
CN205759991U (en) Backwash filter
CN205592447U (en) Shut -down self -closing valve
CN204532798U (en) A kind of oil-well pump oil inlet valve
CN208885963U (en) A kind of blow molding machine energy-saving hydraulic system oil cylinder
CN202203072U (en) Plunger-type dosing pump
CN204327626U (en) A kind of pressure adjustment relief valve
CN209123474U (en) A kind of novel shower filter core
CN203516878U (en) Through flow type check valve for chlorine gas
CN204003734U (en) A kind of large flow ultrahigh pressure direct-acting type proportional overflow valve
CN214093168U (en) Integrated double-arranged check valve
CN203685229U (en) Hydraulic three-way valve for single hydraulic prop

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant