CN108869268A - High pressure liquid housing structure and Vertical Combination valve group - Google Patents
High pressure liquid housing structure and Vertical Combination valve group Download PDFInfo
- Publication number
- CN108869268A CN108869268A CN201810688897.XA CN201810688897A CN108869268A CN 108869268 A CN108869268 A CN 108869268A CN 201810688897 A CN201810688897 A CN 201810688897A CN 108869268 A CN108869268 A CN 108869268A
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- Prior art keywords
- valve
- discharge
- hole
- installation space
- sucking
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Classifications
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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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Abstract
High pressure liquid housing structure and Vertical Combination valve group.The present invention provides a kind of high pressure liquid housing structures comprising:Cylinder body is equipped with installation space equipped with the access road for being located at side vertically in the middle part of cylinder body, and access road is connected with installation space;Suction valve structure, it is removably mounted in installation space and close to access road, suction valve structure includes inlet opening, drainage hole, the sucking valve road hole for being connected to inlet opening and drainage hole, inlet opening and inlet passage, it is movably installed with inhalation valve at sucking valve road hole, can disconnect or be connected to sucking valve road hole and drainage hole after inhalation valve movement;Valve arrangement is discharged, it is removably mounted in installation space and is located above suction valve structure, it includes the discharge valve road hole being connected to drainage hole that valve arrangement, which is discharged, export pipeline is connected at discharge valve road hole exits, it is movably installed with discharge spool at discharge valve road hole, can disconnect or be connected to discharge valve road hole and export pipeline after discharge spool movement.This high pressure liquid housing structure has the advantages that easy making process, convenient for disassembly and assembly.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of high pressure liquid housing structure and Vertical Combination valve group, especially one
Kind high pressure liquid housing structure and the Vertical Combination valve group with above-mentioned high pressure liquid housing structure.
Background technique
Reciprocating pump is to provide the conveying machinery of energy to liquid directly in the form of pressure energy by the reciprocating motion of piston,
Including the combination valve group with liquid cylinder structure, it is adapted to all kinds of media and pressure, current combination valve group is mostly horizontal knot
Structure, the region for bearing alternating load are contacted with cylinder body, and liquid cylinder is easy cracking, and current pump can not directly judge in cylinder
Sealing situation, need from other path estimating processing, and dismount it is more complicated, process it is more inconvenient.In this regard, of the invention
It designs a kind of easy making process, high pressure liquid housing structure convenient for disassembly and assembly, applied widely and cylinder body is easy to crack, sealing performance
Vertical Combination valve group that is good, can directly finding sealing situation in cylinder.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, propose a kind of easy making process, it is convenient for disassembly and assembly,
High pressure liquid housing structure applied widely.
Object of the invention can be realized by the following technical scheme:A kind of high pressure liquid housing structure, including:
Cylinder body is equipped with installation space equipped with the access road for being located at side vertically in the middle part of the cylinder body, and the entrance is logical
Road is connected with the installation space;
Suction valve structure is removably mounted in the installation space and close to the access road, the inlet valve knot
Structure include inlet opening, drainage hole, be connected to the inlet opening and the drainage hole sucking valve road hole, the inlet opening and it is described enter
The connection of mouth channel is movably installed with inhalation valve at the sucking valve road hole, can disconnect or connect after the inhalation valve movement
Lead to the sucking valve road hole and the drainage hole;
Valve arrangement is discharged, be removably mounted in the installation space and is located above the suction valve structure, the row
Valve arrangement includes the discharge valve road hole being connected to the drainage hole out, is connected with export pipeline at the discharge valve road hole exits,
It is movably installed with discharge spool at the discharge valve road hole, can disconnect or be connected to the dump valve after the discharge spool movement
Road hole and the export pipeline.
As a further improvement of the present invention, the suction valve structure includes the sucking being removably mounted in installation space
Valve seat, the inlet opening, drainage hole, sucking valve road hole are set on sucking valve seat, and the inhalation valve is movably arranged on inlet valve
On seat and partial insertion sucks valve road hole, the feed liquor spring resetted after inhalation valve exposed portion is arranged with for its movement.
As a further improvement of the present invention, the inlet opening is staggered with drainage hole and the two is not connected to mutually.
As a further improvement of the present invention, it is also equipped in installation space close-connected with sucking valve seat lower end
Feed liquor valve pocket, the inhalation valve exposes the part of sucking valve seat and feed liquor spring is respectively positioned in the feed liquor valve pocket ring of encirclement.
As a further improvement of the present invention, the discharge valve arrangement includes the discharge being removably mounted in installation space
Valve seat, the discharge valve seat lower end and sucking valve seat upper end closely connect, and the discharge valve road hole is set on discharge valve seat, described
Discharge spool is movably arranged on discharge valve seat and partial insertion discharge valve road hole, is arranged with and is used in discharge spool exposed portion
Its drain spring resetted after acting, the export pipeline are located above discharge valve road hole.
As a further improvement of the present invention, it is also equipped in installation space close-connected with discharge valve seat upper end
Drain valve pocket, the part of the discharge spool exposing discharge valve seat, drain spring, export pipeline are respectively positioned on the drain valve pocket ring of encirclement
It is interior.
As a further improvement of the present invention, it is closely provided in installation space upper end and connects with tapping valve set upper side
Chock plug, the chock plug outer wall, discharge valve seat outer wall are provided with sealing element between installation space inner wall respectively.
As a further improvement of the present invention, the downward formal dress of dump valve structural vertical is in installation space, the suction
Enter valve arrangement to be inverted in installation space.
As a further improvement of the present invention, sucking valve seat/discharge valve seat valve face is and inhalation valve/dump valve
Core is connected and is used to control the joint face structure of on-off, the valve face can be made into the conical surface, spherical surface, plane it is therein any one.
A kind of Vertical Combination valve group, including sealed letter body structure, secondary sealing letter structure and above-mentioned high pressure liquid housing structure,
The secondary sealing letter structure setting closely connects in cylinder body and with feed liquor valve pocket lower end, the sealed letter body structure division insertion
Cylinder body and and the docking of secondary sealing letter structure, cylinder body side and lower end be respectively equipped with close secondary sealing letter structure first passage,
Second channel.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect:This high pressure liquid cylinder knot
Structure integral structure layout is compact, reasonable, the suction valve structure and discharge valve arrangement cooperated using close connection, and the two and cylinder body
It is completely embedded, so that easy making process, convenient for disassembly and assembly, inlet valve and inlet opening cooperation are close, guarantee intake performance;This high pressure fluid cylinder
Body structure adapts to all kinds of media and pressure when with reciprocating pump flow matches, applied widely, and reciprocating pump passes through piston (column
Plug) reciprocating motion in liquid cylinder working chamber makes the working chamber internal volume generate cyclically-varying, by pump valve (inlet valve and
Dump valve) and pipeline connection or closure, achieve the purpose that convey liquid (medium), the mechanical energy of prime mover is directly translated into through pump
Convey the pressure energy of liquid (medium).When piston (plunger) is moved to preset direction, space becomes larger in liquid cylinder, pressure drop
Low, inlet valve is opened at this time, and medium flows to inlet opening, sucking valve road hole from access road, then into space in liquid cylinder;Work as work
When filling in the opposite direction movement of (plunger) toward preset direction, space becomes smaller in liquid cylinder, and under normal circumstances, liquid medium can not press
Contracting, pressure rise, suction valve closure, dump valve are opened, in liquid cylinder the medium in space through space drainage hole, discharge valve road hole,
It is arrived in liquid cylinder export pipeline again.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, wherein:
Fig. 1 is the cross-sectional view of vertical combination valve group in a preferred embodiment of the present invention.
In figure, 100, cylinder body;110, access road;120, first passage;130, second channel;200, suction valve structure;
210, valve seat is sucked;211, inlet opening;212, drainage hole;213, valve road hole is sucked;220, inhalation valve;230, feed liquor spring;
240, feed liquor valve pocket;250, valve face;300, valve arrangement is discharged;310, valve seat is discharged;311, valve road hole is discharged;320, dump valve
Core;330, drain spring;340, drain valve pocket;400, export pipeline;510, gasket;520, sealing element;600, chock plug;700,
Sealed letter body structure;800, secondary sealing letter structure.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Technical solution provided by the invention is illustrated in more detail below with reference to Fig. 1.
As shown in Figure 1, this high pressure liquid housing structure includes:
Cylinder body 100 is equipped with installation space at 100 middle part of cylinder body equipped with the access road 110 for being located at side vertically,
The access road 110 is connected with the installation space;
Suction valve structure 200 is removably mounted in the installation space and close to the access road 110, the suction
Enter the sucking valve road that valve arrangement 200 includes inlet opening 211, drainage hole 212, the connection inlet opening 211 and the drainage hole 212
Hole 213, the inlet opening 211 are connected to the access road 110, are movably installed with sucking at the sucking valve road hole 213
Spool 220, the inhalation valve 220 can disconnect or be connected to the sucking valve road hole 213 and the drainage hole 212 after acting;
Valve arrangement 300 is discharged, is removably mounted in the installation space and is located at 200 top of suction valve structure,
The discharge valve arrangement 300 includes the discharge valve road hole 311 being connected to the drainage hole 212, and the discharge valve road hole 311 exports
Place is connected with export pipeline 400, and discharge spool 320, the discharge spool are movably installed at the discharge valve road hole 311
The discharge valve road hole 311 and the export pipeline 400 can be disconnected or are connected to after 320 movements.
The present invention protects a kind of high pressure liquid housing structure, and integral structure layout is compact, reasonable, using close connection cooperation
Suction valve structure 200 and discharge valve arrangement 300, and the two is completely embedded with cylinder body 100, so that easy making process, convenient for disassembly and assembly, is inhaled
Enter valve and inlet opening 211 cooperates closely, guarantees intake performance;This high pressure liquid housing structure is when with reciprocating pump flow matches, energy
All kinds of media and pressure are adapted to, applied widely, reciprocating pump passes through the reciprocal fortune of piston (plunger) in 100 working chamber of liquid cylinder
It moves to make working chamber internal volume generate cyclically-varying and be reached by pump valve (inlet valve and dump valve) and pipeline connection or closure
To the purpose of conveying liquid (medium), the mechanical energy of prime mover is directly translated into the pressure energy of conveying liquid (medium) through pumping.When
When piston (plunger) is moved to preset direction, space becomes larger in liquid cylinder 100, pressure reduction, at this time inlet valve open, medium from
Access road 110 flows to inlet opening 211, sucking valve road hole 213, then in liquid cylinder 100 in space;When piston (plunger) is toward in advance
When the opposite direction movement of set direction, space becomes smaller in liquid cylinder 100, and under normal circumstances, liquid medium is incompressible, pressure liter
Height, suction valve closure, dump valve are opened, in liquid cylinder 100 medium in space through space drainage hole 212, discharge valve road hole 311,
It is arrived in 100 export pipeline 400 of liquid cylinder again.
To make the setting of suction valve structure 200 more reasonable, even closer, guarantee sucking effect is cooperated with 100 structure of cylinder body
Fruit;Preferably, suction valve structure 200 includes the sucking valve seat 210 that is removably mounted in installation space, the inlet opening 211,
Drainage hole 212, sucking valve road hole 213 are set on sucking valve seat 210, and the inhalation valve 220 is movably arranged on sucking valve seat 210
Upper and partial insertion sucks valve road hole 213, the feed liquor bullet resetted after 220 exposed portion of inhalation valve is arranged with for its movement
Spring 230.
Further, it is also equipped in installation space and sucks the close-connected feed liquor valve pocket 240 in 210 lower end of valve seat,
The inhalation valve 220 exposes the part of sucking valve seat 210 and feed liquor spring 230 is respectively positioned in 240 ring of encirclement of feed liquor valve pocket, excellent
It selects feed liquor valve pocket 240 and sucking 210 lower end gluing, sealing of valve seat and gasket 510 is provided therebetween.
It is preferred that inlet opening 211 is staggered with drainage hole 212 and the two is not connected to mutually.It is preferred that sucking 210 excircle of valve seat
There is one group of hole in direction, is inlet opening 211;There is one group of hole in sucking 210 lower end surface of valve seat, is drainage hole 212, and inlet opening 211
It is staggered and is not connected to drainage hole 212, avoid interference with influence, guarantee inhalant effect.
Similarly, more reasonable to be discharged the setting of valve arrangement 300, with both 100 structure of cylinder body, suction valve structure 200
Cooperate even closer, guarantee discharge effect;Preferably, discharge valve arrangement 300 includes the row being removably mounted in installation space
Valve seat 310 out, 310 lower end of discharge valve seat and sucking 210 upper end of valve seat closely connect, and the discharge valve road hole 311 is set to
It being discharged on valve seat 310, the discharge spool 320 is movably arranged on discharge valve seat 310 and partial insertion discharge valve road hole 311,
The drain spring 330 resetted after discharge 320 exposed portion of spool is arranged with for its movement, the export pipeline 400 are located at
311 top of valve road hole is discharged.
It is also equipped in installation space and the discharge close-connected drain valve pocket 340 in 310 upper end of valve seat, the dump valve
The part of the exposing discharge valve seat 310 of core 320, drain spring 330, export pipeline 400 are respectively positioned in 340 ring of encirclement of drain valve pocket.
Preferably, the chock plug 600 connected with 340 upper end of drain valve pocket, the plug are closely provided in installation space upper end
First 600 outer wall, discharge 310 outer wall of valve seat are provided with sealing element 520 between installation space inner wall respectively.
In the present case, formal dress is in installation space straight down for preferably discharge valve structure 300, the suction valve structure 200
It is inverted in installation space.Sucking valve seat 210/ and the valve face 250 of valve seat 310 is discharged is that spool 320 is discharged with inhalation valve 220/
Be connected and be used to control the joint face structure of on-off, the valve face 250 can be made into the conical surface, spherical surface, plane it is therein any one.
I.e.:Inlet valve is upside-down mounting, and dump valve is to install downward vertically;Valve seat valve face 250 can be according to medium and performance need
The conical surface, spherical surface or plane is made, mating cone valve, rubber valve, semisphere valve, flap type use, so that valve block structure is compact, adapt to
Property is strong, can be used for hyperbaric environment.
The present invention also protects the Vertical Combination valve group with above-mentioned high pressure liquid housing structure comprising sealed letter body structure
700, secondary sealing letter structure 800 and above-mentioned high pressure liquid housing structure, the secondary sealing letter structure 800 are arranged in cylinder body 100
And it is closely connected with 240 lower end of feed liquor valve pocket, the 700 partial insertion cylinder body 100 of sealed letter body structure and and secondary sealing letter knot
Structure 800 docks, logical in the first passage 120, second that 100 side of cylinder body and lower end are respectively equipped with close secondary sealing letter structure 800
Road 130 is equipped with the rod iron insert port that can be docked with first passage 120 preferably on 800 side wall of secondary sealing letter structure, makes its position
It can be twisted by rod iron insert port and be adjusted to correct position.
This Vertical Combination valve group good seal performance can directly find to seal situation in cylinder.Concretely, valve block structure is tight
It gathers, using vertical installation, valve return is timely, good seal performance, and volumetric efficiency is high;Valve arrangement mixes high pressure liquid cylinder, sealing again
Part, sealed letter body structure 700, secondary sealing letter structure 800 form fluid power end pieces;Using sucking valve seat 210, valve seat 310 is discharged,
Process it is portable, it is convenient for disassembly and assembly;For inlet valve in 211 lower part of inlet opening, intake performance is good;The part for bearing alternating load is sealed letter
Body structure 700, secondary sealing letter structure 800, secondary sealing letter structure 800 is the component that this Vertical Combination valve group adds, so that bearing
The region of alternating load is not contacted with cylinder body, and liquid cylinder is not subject to alternating load, and liquid cylinder is not easy to crack, can be used for 20MPa with
Upper high pressure occasion;The structure fluid end is applied widely, and pump efficiency is high.
Currently, conventional pump can not directly judge the sealing situation in cylinder, need to like from the processing of other path estimating.And this
Invention can directly be found.In the case where assembling that unreasonable, gasket does not install, from 100 first passage 120 of liquid cylinder, the
It can be found at two channels 130;If having liquid outflow at liquid cylinder first passage 120, second channel 130, illustrate to seal
Pad does not install or is not mounted to position, needs to readjust;Pump operation for a period of time after, can also from the two place judge it is close
Packing whether sealed reliable.Transparent pipeline water clock or sewage draining exit can be connect at liquid cylinder second channel 130;At second channel 130
There is liquid outflow, illustrates that gasket in the cylinder there are poorly sealed, need termination of pumping, replaces sealing element, avoid that gasket is answered to lose
Effect is not replaced, and highly pressurised liquid is caused to leak, and damages liquid cylinder sealing surface, serious to scrap entire liquid cylinder.
In conclusion the present invention, which relates to, discloses a kind of Vertical Combination valve group and its high pressure liquid housing structure, sucking valve seat 210 has
Inlet opening 211, valve road hole, drainage hole 212, medium by inlet opening 211 to valve road hole, then arrive drainage hole 212, inlet opening 211 with
The intersection of drainage hole 212 is not connected to;Discharge valve seat has valve road hole;According to dielectric property, valve seat 210 and discharge 310 valve of valve seat are sucked
Face 250 uses the conical surface, spherical surface, plane etc., can be used cooperatively with cone valve, rubber cone valve, semisphere valve, flap type etc..
Secondary sealing letter structure 800 is fitted into cylinder body, after sealed letter body structure 700 loads onto sealing element, is packed into fluid cylinder from the left side
Body, end face and 800 gluing, sealing of secondary sealing letter structure, position can be inserted into hole twisting adjustment secondary sealing letter structure by rod iron
800 arrive correct position, are reloaded into gasket, feed liquor valve pocket 240, feed liquor spring 230, inhalation valve 220;Sealing cushion cover is being inhaled
Enter and is packed into liquid cylinder on valve seat 210;Discharge valve seat 310 loads onto sealing element, is fitted into liquid cylinder, then be sequentially loaded into discharge spool
320, upper flange is pressed on drain spring 330, drain valve pocket 340, sealing ring and chock plug 600,600 top of chock plug, is twisted by fastener
Tightly.
Fluid end bears the space of alternating load by sealed letter body structure 700, secondary sealing letter structure 800, feed liquor valve pocket 240
Composition;It sucks valve seat 210 and feed liquor valve pocket 240 to seal by gasket, has completely cut off liquid cylinder at this and contacted with high-pressure medium;Into
Liquid valve pocket 240 and secondary sealing letter structure 800 are sealed by sealing ring, have been completely cut off liquid cylinder at this and have been contacted with high-pressure medium;Sealing
Letter body structure 700 and secondary sealing letter structure 800 are sealed by sealing ring, have been completely cut off high-pressure medium at this and have been contacted with liquid cylinder.Institute
It is not contacted with bearing the region of alternating load with cylinder body, liquid cylinder is not easy to crack, which is suitable for the high-voltage field of 20Mpa or more
It closes;Medium is contacted with liquid cylinder to be solved reciprocating pump high-voltage field and properly uses vertical valve group, and the technical tasks such as liquid cylinder cracking are prevented.
In reciprocating pump flow matches, this valve group and its all kinds of media of liquid cylinder Structure adaptation and pressure, use scope
Extensively.Reciprocating pump is periodically become by reciprocating motion of the piston (plunger) in liquid cylinder working chamber generate working chamber internal volume
Change, links up or be closed by pump valve (inlet valve and dump valve) and pipeline, achieve the purpose that convey liquid;The mechanical energy of prime mover
The pressure energy of conveying liquid is directly translated into through pumping.When piston (plunger) moves downward, liquid cylinder inner space becomes larger, pressure
It reduces, feed liquor medium overcomes the resistance of feed liquor spring 230 under the action of pressure difference, and inlet valve is opened, and medium is from access road
110 flow to inlet opening 211, sucking valve road hole 213, then into space in liquid cylinder;When piston (plunger), which is turned right, to be moved, fluid cylinder
Body inner space becomes smaller, and under normal circumstances, liquid medium is incompressible, pressure rise, suction valve closure, and dump valve is opened, liquid
The medium in space is through space drainage hole 212, discharge valve road hole 311 in cylinder body, then arrives in liquid cylinder export pipeline 400.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of high pressure liquid housing structure, it is characterised in that:Including:
Cylinder body, equipped be located at side access road, in the middle part of the cylinder body vertically be equipped with installation space, the access road with
The installation space is connected;
Suction valve structure is removably mounted in the installation space and close to the access road, the suction valve structure packet
Inlet opening, drainage hole, the sucking valve road hole for being connected to the inlet opening and the drainage hole are included, the inlet opening and the entrance are logical
Road connection is movably installed with inhalation valve at the sucking valve road hole, can disconnect or be connected to institute after the inhalation valve movement
State sucking valve road hole and the drainage hole;
Valve arrangement is discharged, be removably mounted in the installation space and is located above the suction valve structure, the dump valve
Structure includes the discharge valve road hole being connected to the drainage hole, export pipeline is connected at the discharge valve road hole exits, in institute
It states and is movably installed with discharge spool at discharge valve road hole, can disconnect or be connected to the discharge valve road hole after the discharge spool movement
With the export pipeline.
2. high pressure liquid housing structure according to claim 1, it is characterised in that:The suction valve structure includes detachable peace
Sucking valve seat in installation space, the inlet opening, drainage hole, sucking valve road hole are set on sucking valve seat, the sucking
Spool is movably arranged on sucking valve seat and partial insertion sucking valve road hole, is arranged in inhalation valve exposed portion dynamic for it
The feed liquor spring resetted after work.
3. high pressure liquid housing structure according to claim 2, it is characterised in that:The inlet opening and drainage hole are staggered
And the two is not connected to mutually.
4. high pressure liquid housing structure according to claim 2, it is characterised in that:It is also equipped with and sucks in installation space
The close-connected feed liquor valve pocket in valve seat lower end, the inhalation valve exposes the part of sucking valve seat and feed liquor spring is respectively positioned on feed liquor
In the valve pocket ring of encirclement.
5. high pressure liquid housing structure according to claim 2, it is characterised in that:The discharge valve arrangement includes detachable peace
Discharge valve seat in installation space, the discharge valve seat lower end and sucking valve seat upper end closely connect, the discharge valve road
Hole is set on discharge valve seat, and the discharge spool is movably arranged on discharge valve seat and partial insertion discharge valve road hole, is being discharged
Spool exposed portion is arranged with the drain spring for resetting after its movement, and the export pipeline is located above discharge valve road hole.
6. high pressure liquid housing structure according to claim 5, it is characterised in that:It is also equipped with and is discharged in installation space
The close-connected drain valve pocket in valve seat upper end, the part of the discharge spool exposing discharge valve seat, drain spring, export pipeline are equal
In the drain valve pocket ring of encirclement.
7. high pressure liquid housing structure according to claim 6, it is characterised in that:Closely be provided in installation space upper end and
The chock plug of tapping valve set upper side connection, the chock plug outer wall, discharge valve seat outer wall are provided between installation space inner wall respectively
Sealing element.
8. high pressure liquid housing structure according to claim 1, it is characterised in that:The downward formal dress of dump valve structural vertical
In installation space, the suction valve structure is inverted in installation space.
9. high pressure liquid housing structure according to claim 5, it is characterised in that:Sucking valve seat/discharge valve seat valve
Face is the joint face structure for being connected and be used to control on-off with inhalation valve/discharge spool, the valve face can be made into the conical surface, spherical surface,
Plane it is therein any one.
10. a kind of Vertical Combination valve group, it is characterised in that:Including sealed letter body structure, secondary sealing letter structure and claim 4
The high pressure liquid housing structure, the secondary sealing letter structure setting closely connect in cylinder body and with feed liquor valve pocket lower end, institute
It states sealed letter body structure division insertion cylinder body and is docked with secondary sealing letter structure, is respectively equipped in cylinder body side and lower end close to pair
First passage, the second channel of sealed letter structure.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810688897.XA CN108869268A (en) | 2018-06-28 | 2018-06-28 | High pressure liquid housing structure and Vertical Combination valve group |
PCT/CN2018/101979 WO2020000617A1 (en) | 2018-06-28 | 2018-08-23 | High pressure liquid cylinder structure and vertical type combination valve group |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810688897.XA CN108869268A (en) | 2018-06-28 | 2018-06-28 | High pressure liquid housing structure and Vertical Combination valve group |
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Publication Number | Publication Date |
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CN108869268A true CN108869268A (en) | 2018-11-23 |
Family
ID=64296516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810688897.XA Pending CN108869268A (en) | 2018-06-28 | 2018-06-28 | High pressure liquid housing structure and Vertical Combination valve group |
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CN (1) | CN108869268A (en) |
WO (1) | WO2020000617A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1242851A (en) * | 1967-08-24 | 1971-08-18 | Fletcher Sutcliffe Wild Ltd Fo | Hydraulic pumps |
CN2200706Y (en) * | 1994-01-11 | 1995-06-14 | 孙新民 | Hydraulic terminal device of reciprocating plunger pump |
CN2787877Y (en) * | 2005-04-15 | 2006-06-14 | 大连工业泵厂 | Leakless polymer injection pump |
CN102454598A (en) * | 2010-11-03 | 2012-05-16 | 四川宏华石油设备有限公司 | Drilling pump and hydraulic cylinder thereof |
CN202326173U (en) * | 2011-11-30 | 2012-07-11 | 重庆水泵厂有限责任公司 | Sealing and compressing structure of positive-displacement pump valve bank |
CN206957913U (en) * | 2017-05-05 | 2018-02-02 | 宁波钱湖石油设备有限公司 | A kind of valve group module, reciprocating pump hydraulic-end structure |
CN208416914U (en) * | 2018-06-28 | 2019-01-22 | 宁波钱湖石油设备有限公司 | High pressure liquid housing structure and Vertical Combination valve group |
-
2018
- 2018-06-28 CN CN201810688897.XA patent/CN108869268A/en active Pending
- 2018-08-23 WO PCT/CN2018/101979 patent/WO2020000617A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1242851A (en) * | 1967-08-24 | 1971-08-18 | Fletcher Sutcliffe Wild Ltd Fo | Hydraulic pumps |
CN2200706Y (en) * | 1994-01-11 | 1995-06-14 | 孙新民 | Hydraulic terminal device of reciprocating plunger pump |
CN2787877Y (en) * | 2005-04-15 | 2006-06-14 | 大连工业泵厂 | Leakless polymer injection pump |
CN102454598A (en) * | 2010-11-03 | 2012-05-16 | 四川宏华石油设备有限公司 | Drilling pump and hydraulic cylinder thereof |
CN202326173U (en) * | 2011-11-30 | 2012-07-11 | 重庆水泵厂有限责任公司 | Sealing and compressing structure of positive-displacement pump valve bank |
CN206957913U (en) * | 2017-05-05 | 2018-02-02 | 宁波钱湖石油设备有限公司 | A kind of valve group module, reciprocating pump hydraulic-end structure |
CN208416914U (en) * | 2018-06-28 | 2019-01-22 | 宁波钱湖石油设备有限公司 | High pressure liquid housing structure and Vertical Combination valve group |
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Publication number | Publication date |
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WO2020000617A1 (en) | 2020-01-02 |
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