CN107044411A - A kind of opposed type plunger pump of plunger pump valve group and the application valve group - Google Patents
A kind of opposed type plunger pump of plunger pump valve group and the application valve group Download PDFInfo
- Publication number
- CN107044411A CN107044411A CN201710216231.XA CN201710216231A CN107044411A CN 107044411 A CN107044411 A CN 107044411A CN 201710216231 A CN201710216231 A CN 201710216231A CN 107044411 A CN107044411 A CN 107044411A
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- chamber
- valve
- excessively stream
- plunger pump
- synchronizing shaft
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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
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses the opposed type plunger pump of a kind of plunger pump valve group and the application valve group, including valve chamber and opening/closing component, it is characterized in that：The opening/closing component is included provided with passway and the synchronizing shaft for being fixedly connected on the valve plate of valve chamber inwall, being arranged in valve plate and be rotationally connected with valve chamber, radially fixed in synchronizing shaft and sealing is matched with the rotary valve of valve plate, and the rotary valve drives rotation to realize sealing or conducting to passway by synchronizing shaft.The invention provides driving rotary valve to be turned on or sealed using synchronizing shaft, reduce the shock in opening-closing process, the opposed type plunger pump of a kind of plunger pump valve group increased the service life and the application valve group.
Description
Technical field
The present invention relates to plunger pump part field, the opposed type of more particularly to a kind of plunger pump valve group and the application valve group
Plunger pump.
Background technology
Plunger pump is typically all made up of power end and fluid end, and wherein power end using belt drives bent axle to revolve by motor
Turn, then drive plunger reciprocating by bent axle；And turnover valve group is configured with fluid end, valve group is generally comprised to be coordinated in sealing
Valve seat and valve element, wherein valve element liquid body pressure, which is realized, opens, then makes valve element again by the pressure of self gravitation or spring
Fall after rise to valve seat.
China Patent Publication No. CN103615365A patent document discloses a kind of integrated valve type gas drive liquid plunger pump, bag
Include low-pressure cylinder barrel, charged piston, drive end bearing bracket, rear end cap, pile-up valve, flow guiding head, airway tube, high pressure cylinder barrel, check valve, plunger with
And pilot valve；Drive end bearing bracket, rear end cap are respectively arranged at low-pressure cylinder barrel two ends；Charged piston is contained in low-pressure cylinder barrel, its two ends
It is separately installed with the plunger；Pile-up valve is arranged on drive end bearing bracket, and it is connected by airway tube with the flow guiding head on rear end cap；It is high
Cylinder pressure cylinder is separately positioned on the end of drive end bearing bracket, rear end cap, each high pressure cylinder barrel equipped with two check valves.In above-mentioned technical proposal
Check valve coordinate valve seat to realize that conducting or sealing, in the course of the work, spherical valve core to liquid can not by spherical valve core
Disconnectedly valve seat is caused to hit, after some time, consolidating in the contact sealing surface meeting stockpiling liquid between valve seat and valve element
Body impurity, and be damaged because of long-term hit, and causing sealing property to be between the two deteriorated, service life is short.
The content of the invention
It is an object of the invention to provide a kind of plunger pump valve group, rotary valve is driven to rotate and then realization pair using synchronizing shaft
Passway on valve plate is turned on or sealed, and is reduced the shock in opening-closing process, is extended service life.
The present invention above-mentioned technical purpose technical scheme is that：A kind of plunger pump valve group, including
Valve chamber and opening/closing component, the opening/closing component include provided with passway and are fixedly connected on the valve plate of valve chamber inwall, wear
In valve plate and it is rotationally connected with the synchronizing shaft, radially fixed in synchronizing shaft and sealing is matched with the rotary valve of valve plate, institute of valve chamber
State rotary valve drives rotation to realize sealing or conducting to passway by synchronizing shaft.
By using above-mentioned technical proposal, synchronizing shaft is rotated, synchronizing shaft can just drive the rotation with its radially fixed connection
Valve is rotated on valve plate, when rotary valve turn to passway and it is coupled logical when, just realize conducting, when rotary valve rotate
During to sealing passway, then the flowing of liquid is cut off, make use of the rotation between rotary valve and valve plate to enter in opening-closing process
Row matches somebody with somebody liquid, it is to avoid valve element constantly can cause to hit to valve seat in the course of the work, reduce noise in the course of work and
Wear extent between valve element and valve seat, when the impurity in liquid is stayed in valve plate surface, meeting will be miscellaneous in rotation process for rotary valve
Matter is struck off, and the sealing surface between valve plate and rotary valve is not accumulated impurity particle, it is to avoid impurity product of the prior art
The problem of staying at sealing surface.
The present invention is further arranged to：The rotary valve include integrally formed moving valve plate and sleeve, the moving valve plate with
Valve plate blind-mate, the moving valve plate is provided with the breach being connected with passway, and the sleeve lining is in synchronizing shaft outer wall
It is radially fixed.
By using above-mentioned technical proposal, when the breach of moving valve plate is connected with passway, it is achieved that to liquid
Conducting, and when the face seal of moving valve plate is in passway, then the flowing of liquid has been cut off, and moving valve plate is connected with sleeve
Connect, so that moving valve plate can be driven around the center rotating of synchronizing shaft by synchronizing shaft.
The present invention is further arranged to：The sleeve lining is provided with the keyway being set in parallel with its axial direction, described same
Step axle outer wall is provided with the connecting key for being embedded at keyway.
By using above-mentioned technical proposal, by the cooperation of keyway and connecting key, the footpath of sleeve and synchronizing shaft can be realized
To fixation, so that when synchronizing shaft is rotated, sleeve can just make the rotation around synchronizing shaft axial direction, in the course of the work, sleeve
It will not be rotated by the thrust of liquid, it is ensured that the sealing of moving valve plate and valve plate coordinates in the course of the work.
The present invention is further arranged to：The notch side wall is provided with cutting edge with passway side wall.
By using above-mentioned technical proposal, notch side wall is set to be formed in moving valve plate rotation process with passway side wall
One shearing force, and then shear action can be played to the fibrous material and impurity in liquid, it is to avoid impurity is accumulated in valve
Plate surface, improves the sealing property between moving valve plate and valve plate, reduces abrasion between the two.
The present invention is further arranged to：Described synchronizing shaft one end is arranged in valve chamber end face and is connected with positioning shaft coupling,
The positioning shaft coupling inwall is provided with spline.
, can be by synchronizing shaft and plunger pump using the spline for positioning shaft coupling and its inside by using above-mentioned technical proposal
The bent axle of middle power end is connected, and makes bent axle during driving plunger is reciprocating while driving synchronizing shaft to rotate, makes
Plunger pump is taken out to press through journey and can preferably coordinate in the opening-closing process of passway and allows the liquid to normally carry out to liquid
Flowing, it is to avoid the rotation of rotary valve can mismatch with the reciprocating motion of plunger pump and cause liquid not to be pumped out.
The present invention is further arranged to：The rotary valve, which deviates from, is provided with spring, the bullet between valve plate side and valve chamber
Spring is in be coaxially disposed with rotary valve center.
By using above-mentioned technical proposal, one power towards valve plate is applied to rotary valve using spring, makes rotary valve
The surface of valve plate can be closely fitted in, makes to realize that better seal coordinates between valve plate and rotary valve, and in synchronization
In the rotation process of axle, rotary valve is set successfully to be rotated on valve plate surface, it is to avoid both are closely fit with and caused
Rotary valve can not be rotated on valve plate, make that certain displacement can be produced between rotary valve and valve plate.
The present invention is further arranged to：The opening/closing component is provided with two groups and two synchronizing shafts are in coaxially connected, two groups of institutes
State first chamber, second chamber and the 3rd chamber that opening/closing component is arranged in order with the formation of valve chamber inwall along valve chamber length direction
The sealing for coordinating and being formed the first excessively stream chamber and the second excessively stream chamber with valve chamber inner wall sealing is provided with room, the second chamber
Part；The first chamber is communicated with suction side body positioned at the first excessively stream chamber side, and the first excessively stream chamber is provided with and suction side body
The first excessively stream end body being connected；3rd chamber is communicated with outlet side body, second mistake positioned at the second excessively stream chamber side
Stream chamber is provided with the second excessively stream end body connected with outlet side body phase；The suction side body is opened with the second excessively stream end body by one of them
Close component realization to be communicated or sealed, the outlet side body is realized by another opening/closing component with the first excessively stream end body and connected or close
Envelope；Each valve plate is equipped with a passway positioned at first, second excessively stream chamber side.
By using above-mentioned technical proposal, coordinate first, second excessively stream chamber using two sets of opening/closing components and realize free of discontinuities
Ground imbibition and two processes of discharge opeing, when synchronizing shaft drives the rotary valve in opening/closing component to rotate, suction side body and the second excessively stream
End body phase connection carries out imbibition to liquid and stored, and at the same time the first excessively stream end body connects to enable liquid with outlet side body phase
It is enough to be discharged from the first excessively stream chamber；Again when synchronizing shaft driving rotary valve turns over 180 degree, passway of the rotary valve to side
Seal and the passway of opposite side opened, suction side body and the first excessively stream end body phase connection is carried out imbibition to liquid and is stored,
At the same time the second excessively stream end body connects to allow the liquid to be discharged from the second excessively stream chamber with outlet side body phase, Jin Er
In 360 degree of rotation processes of synchronizing shaft, liquid can continue to be sucked and discharged, and improve operating efficiency.
The present invention is further arranged to：O-ring seals are provided between synchronizing shaft and the valve chamber inwall.
By using above-mentioned technical proposal, the sealing property between synchronizing shaft and valve chamber is lifted using O-ring seals,
Synchronizing shaft is set not leak liquid in rotation process.
It is a further object of the present invention to provide a kind of opposed type plunger pump, using same bent axle come to two groups of keying valve groups
It is controlled simultaneously, and coordinates two plungers driven by bent axle to produce pressure change to realize to two excessively stream cavitys respectively
Continue imbibition and discharge opeing.
The present invention above-mentioned technical purpose technical scheme is that：A kind of opposed type plunger pump, bag
Plunger pump valve group and power end are included, the plunger pump valve group includes valve chamber and opening/closing component, and the opening/closing component includes being provided with
Passway and the valve plate of valve chamber inwall is fixedly connected on, valve plate is arranged in and is rotationally connected with the synchronizing shaft of valve chamber, radial direction
It is fixed on synchronizing shaft and sealing is matched with the rotary valve of valve plate, the rotary valve drives rotation to realize to passway by synchronizing shaft
Sealing is turned on；The opening/closing component is provided with two groups and two synchronizing shafts are in coaxially connected, opening/closing component and valve pocket described in two groups
First chamber, second chamber and the 3rd chamber that internal wall formation is arranged in order along valve chamber length direction, the second chamber
It is interior to be provided with the seal for coordinating and being formed the first excessively stream chamber and the second excessively stream chamber with valve chamber inner wall sealing；The first chamber position
Suction side body is communicated with the first excessively stream chamber side, the first excessively stream chamber is provided with the first excessively stream end connected with suction side body phase
Body；3rd chamber is communicated with outlet side body positioned at the second excessively stream chamber side, and the second excessively stream chamber is provided with and outlet side body
The second excessively stream end body being connected；The suction side body is realized by one of opening/closing component with the second excessively stream end body and connected or close
Envelope, the outlet side body is realized by another opening/closing component with the first excessively stream end body and is communicated or sealed；Each valve plate is located at
First, second excessively stream chamber side is equipped with a passway；The power end includes coaxially connected bent axle in synchronizing shaft, driving
The motor of crank rotation, by bent axle drive it is reciprocating and in be coaxially disposed two plungers, with plunger correspond and supply
The excessively stream cavity that plunger is worn, two excessively stream cavitys are connected with the first excessively stream end body, the second excessively stream end body phase respectively.
By using above-mentioned technical proposal, when motor driven crankshafts rotation, in the rotation process of bent axle, it will drive it
In a plunger moved toward in its corresponding excessively stream cavity, and can also drive synchronizing shaft to rotate, so as to realize two excessively stream ends
Body and outlet side body, the conversion of suction side body connected relation；Plunger can make one of excessively stream cavity produce a pressure, by liquid
Body is neutralized from the excessively stream cavity via it is discharged in excessively stream end body of outlet side body phase connection, and at the same time, suction side is known from experience
Liquid is pumped into another excessively stream cavity by the excessively stream end body communicated therewith, so as to be produced to the plunger in the excessively stream cavity
A raw thrust, and then the effect of supercharging is realized, meanwhile, also achieve continuously imbibition and discharge opeing.
In summary, the invention has the advantages that：
One：With reference to the cutting edge on the moving valve plate that can be rotated, and moving valve plate notch side wall and the cutting knife of passway side wall
Piece, synchronizing shaft driving in the presence of, moving valve plate when realizing on and off to passway, can using two cutting edges come
A shearing force is formed, and then dissection is played to the fiber impurity in liquid, it is to avoid the impurity in liquid is accumulated in valve
Plate, improves the sealing property between valve plate surface and moving valve plate, while extending the sealing surface between moving valve plate and valve plate
Service life；
Secondly：With reference to two groups of keying valve groups and two plungers, two excessively stream cavitys, continuously imbibition and row are realized
Liquid.
Brief description of the drawings
Fig. 1 is the schematic diagram of the suction side body of the present embodiment one and the second excessively stream end body phase conducting；
Fig. 2 is the schematic diagram of the suction side body of the present embodiment one and the first excessively stream end body phase conducting；
Fig. 3 is the top view of the power end of the present embodiment two and fluid end connection；
Fig. 4 is the side view of the present embodiment two；
Fig. 5 is the front view of the present embodiment two；
Fig. 6 is the partial sectional view of the power end of the present embodiment two；
Fig. 7 is the sectional view of the excessively stream inside cavity of the present embodiment two.
Reference：1st, valve chamber；11st, first chamber；12nd, second chamber；13rd, the 3rd chamber；2nd, opening/closing component；21、
Valve plate；211st, passway；22nd, synchronizing shaft；23rd, rotary valve；231st, moving valve plate；2311st, breach；232nd, sleeve；3rd, connecting key；
31st, keyway；4th, cutting edge；5th, shaft coupling is positioned；51st, spline；6th, spring；7th, seal；71st, the first excessively stream chamber；711st, first
Excessively stream end body；72nd, the second excessively stream chamber；721st, the second excessively stream end body；8th, suction side body；9th, outlet side body；10th, O-ring seals；
14th, ring flange；15th, end cap；16th, bearing；17th, power end；18th, fluid end；19th, the port of export；20th, entrance point；24th, bent axle；25、
Motor；26th, plunger；27th, excessively stream cavity；28th, bellows barrier film；29th, limited post；291st, communication port；30th, fluid port.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment one：
A kind of plunger pump valve group, shown in reference picture 1, including one be in hollow setting cuboid valve chamber 1；Grown in valve chamber 1
The one end in degree direction is fixedly connected with a ring flange 14 for being used to connect power end of plunger pump；Deviate from ring flange in valve chamber 1
14 one end have been bolted an end cap 15.
The center of valve chamber 1 is equipped with the synchronizing shaft 22 that an axial direction is set in parallel with the length direction of valve chamber 1, synchronous
Realized and be rotatably assorted by bearing 16 with ring flange 14 and end cap 15 in the two ends of axle 22；The He of end cap 15 is inserted into synchronizing shaft 22
The end outer wall of ring flange 14 is embedded with O-ring seals 10；One end of synchronizing shaft 22 is arranged in ring flange 14 and coaxially connected
There is one to be used to connect bent axle in power end of plunger pump（Do not indicated in figure）Positioning shaft coupling 5, positioning shaft coupling 5 inwall
Provided with for realizing radially fixed spline 51 with bent axle, bent axle is set to be driven during driving plunger is reciprocating same
Step axle 22 is rotated.
It is located in synchronizing shaft 22 in valve chamber 1 and is equipped with opening/closing component respectively close to one end of end cap 15 and ring flange 14
2, opening/closing component 2 includes one piece of valve plate 21 for being fixedly connected with the inwall of valve chamber 1, be provided with valve plate 21 in symmetrically and through
Two passways 211 of the both ends of the surface of valve plate 21；It is respectively facing on the end face of ring flange 14 and end cap 15 and sets in two pieces of valve plates 21
There is one to be arranged in synchronizing shaft 22 and moving valve plate 231 in disk form, moving valve plate 231 is provided with a breach for running through its both ends of the surface
2311, breach 2311 can be connected with passway 211；The side wall of breach 2311 and the side wall of passway 211 are equipped with a cutting knife；
A sleeve 232 for being arranged in synchronizing shaft 22 is formed in the central integral of moving valve plate 231, one is provided with the inwall of sleeve 232
Individual 22 keyway 31 being axially set in parallel with synchronizing shaft, is provided with the outer wall of synchronizing shaft 22 and is embedded at keyway 31 and realizes and cover
232 radially fixed connecting keys 3 of cylinder；The inwall of sleeve 232 coordinates with the outer wall of synchronizing shaft 22 in sealing；Sleeve 232 is away from dynamic
One end of valve block 231 is embedded at the side wall of valve chamber 1 and coordinated between the two in sealing；One is arranged with the outer wall of sleeve 232
Individual axial direction is with synchronizing shaft 22 in the spring 6 being coaxially disposed, and the two ends of spring 6 are connected to the end face and valve pocket of moving valve plate 231
The inwall of body 1.
The synchronizing shaft 22 of two groups of opening/closing components 2 is coaxially connected and will be separated into inside whole valve chamber 1 from ring flange 14
The first chamber 11 that is set gradually to end cap 15, the chamber 13 of second chamber 12 and the 3rd；It is located at second chamber 12 in synchronizing shaft 22
Interior one section is provided with a seal 7, and seal 7 is sheathed on the outer wall of synchronizing shaft 22 and axial two ends are axial along synchronizing shaft 22
Extend respectively to realize sealing in two valve plates 21, while the outer wall of seal 7 extends to the inwall of valve chamber 1 and and valve chamber
1 inwall coordinates in sealing；Second chamber 12 has been separated into the first excessively stream chamber 71 and the second excessively stream chamber 72 by seal 7；In valve pocket
The side of body 1 is provided with a first excessively stream end body 711 being connected with the first excessively stream chamber 71, is provided with the opposite side of valve chamber 1
One the second excessively stream end body 721 for being connected with the second excessively stream chamber 72；Set in first chamber 11 positioned at the side of the first excessively stream chamber 71
There is a suction side body 8 that can be connected using passway 211 with the first excessively stream end body 711；It is located at the in the 3rd chamber 13
The side of two excessively stream chamber 72 is provided with an outlet side body 9 that can be connected using passway 211 with the second excessively stream end body 721；On
State after setting, the mistake of suction side body 8 and second can be realized using the passway 211 on the valve plate 21 of the side of ring flange 14
Stream end body 721 is connected；Outlet side body 9 and the can be realized using the passway 211 on the valve plate 21 of the side of end cap 15
One excessively stream end body 711 is connected.
The operation principle of the present embodiment is：As shown in Fig. 2 first chamber 11 is located at the right side of the 3rd chamber 13, the second mistake
Flow the upside that chamber 72 is located at the first excessively stream chamber 71；Existing original state is set as that the passway 211 of the right side upper end of valve plate 21 is closed, under
The passway 211 at end is opened, then suction side body 8 is connected with the first excessively stream end body 711, and liquid is passed through successively at suction side body 8
Cross first chamber 11, the first excessively stream chamber 71 and be flowed into the first excessively stream end body 711 and stored；Meanwhile, the upper end of left side valve plate 21
Passway 211 open, the passway 211 of lower end is closed, then the second excessively stream end body 721 is connected with outlet side body 9, liquid from
Second excessively stream end body 721 flows to outlet side body 9 and discharged by second chamber 12, the 3rd chamber 13.
As shown in figure 1, when the bent axle in power end of plunger pump（Do not indicated in figure）Synchronizing shaft 22 is driven to turn from above-mentioned state
When crossing 180 degree, synchronizing shaft 22 will drive the moving valve plate 231 of the left and right sides to rotate together, the passway of the upper end of right side valve plate 21
211, which connect realization with breach 2311, is opened, and the passway 211 of lower end is closed, now, and liquid passes through first from suction side body 8
Chamber 11, the second excessively stream chamber 72 are flowed to be stored in the second excessively stream end body 721；At the same time, left side valve plate 21 lower end
The realization that is connected with breach 2311 of passway 211 is opened, and the passway 211 of upper end closes, now, and liquid is from the first excessively stream end body
711 flow to outlet side body 9 and are discharged by the first excessively stream chamber 71, the 3rd chamber 13；In the lasting rotation of synchronizing shaft 22
Cheng Zhong, will realize continuous imbibition and discharge opeing.
Embodiment two：
A kind of opposed type plunger pump, shown in reference picture 2-4, including the power end 17 and fluid end 18 being connected, plunger pump valve group
It is arranged in fluid end 18；One outlet end 19 and entrance point 20 have been respectively communicated with two side walls up and down of fluid end 18, has been gone out
Mouth end 19 is connected with outlet side body 9, and entrance point 20 is connected with suction side body 8.
With reference to shown in Fig. 4, a central axial and synchronizing shaft 22 is equipped with inside power end 17 in the bent axle being coaxially disposed
24, the one end of bent axle 24 is arranged in power end 17 towards the side wall of fluid end 18 and realized with positioning shaft coupling 5 by spline 51
It is radially fixed；Bent axle 24 is arranged in the opposite side wall of fluid end 18 and connected by belt transmission away from one end of fluid end 18
There is a motor 25；It is in be coaxially disposed and driven by bent axle 24 to be connected with two along the sliding of its length direction in power end 17
Plunger 26, two plungers 26 are divided into the two ends of power end 17；An excessively stream chamber has been respectively communicated with the two ends of power end 17
Body 27, excessively stream cavity 27 is moved back and forth for plunger 26, and is realized by the plunger 26 moved back and forth inside excessively stream cavity 27
Changed between pressure needed for vacuum and work.
With reference to shown in Fig. 7, it is fixedly connected with what an axial direction was set in parallel with plunger 26 in the inside of excessively stream cavity 27
Hollow limited post 29, some communication ports 291 with being connected inside excessively stream cavity 27 are provided with the side wall of limited post 29；Spacing
The outer cover of post 29 is provided with a bellows barrier film 28, and bellows barrier film 28 is in capsule shape；Bellows barrier film 28 is made up of nitrile rubber；Capsule
Formula barrier film 28, which realizes the hydraulic oil in the liquid working medium in excessively stream cavity 27 and limited post 29, to be separated, and plunger 26 can be
Moved back and forth in limited post 29, and then realize that excessively stream cavity 27 changes between pressure needed for vacuum and work；Two mistakes
Stream cavity 27 is respectively equipped with a fluid port 30 connected with one of excessively stream end body phase.Two fluid ports 30 pass through pipeline point
Not be connected in the first excessively stream end body 711, the second excessively stream end body 721.
The operation principle of the present embodiment is：Shown in reference picture 3-7, excessively stream cavity A is located at excessively stream cavity B left side；Work as song
When axle 24 drives plunger 26 from the right side toward left movement, meanwhile, bent axle 24 drives synchronizing shaft 22 to rotate, after rotation, the He of suction side body 8
Second excessively stream end body 721 is connected, and outlet side body 9 is connected with the first excessively stream end body 711；Plunger 26 is in excessively stream cavity A
Bellows barrier film 28, which applies in an expansionary force, excessively stream cavity A, reaches an operating pressure, flows through the liquid in excessively stream cavity A
First excessively stream end body 711, outlet side body 9, the port of export 19 are expelled to outside, at the same time, and excessively stream cavity B transfers shift to vacuum shape
Liquid is pumped into excessively stream cavity B by state, suction side body 8 by entrance point 20 by the second excessively stream end body 721, utilizes excessively stream cavity
B realizes that liquid storage is acted on, and simultaneously produces a convergent force to the bellows barrier film 28 at the end, and then to the plunger 26 of the other end
To the effect of a supercharging.
When bent axle 24 drives plunger 26 by moving from left to right, meanwhile, bent axle 24 drives synchronizing shaft 22 to rotate, and is turning
After dynamic, suction side body 8 is connected with the first excessively stream end body 711, and outlet side body 9 is connected with the second excessively stream end body 721；Plunger 26
Bellows barrier film 28 in excessively stream cavity B is applied in an expansionary force, excessively stream cavity B and reaches an operating pressure, makes excessively stream chamber
Liquid in body B flows through the second excessively stream end body 721, outlet side body 9, the port of export 19 and is expelled to outside, at the same time, excessively stream cavity
A transfers shift to vacuum state, and liquid is pumped into excessively stream cavity A by suction side body 8 by entrance point 20 by the first excessively stream end body 711
In, realize that liquid storage is acted on using excessively stream cavity A, and a convergent force is produced to the bellows barrier film 28 at the end simultaneously, so that it is right
The plunger 26 of the other end plays the effect of a supercharging.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (9)
1. a kind of plunger pump valve group, including valve chamber（1）And opening/closing component（2）, it is characterized in that：The opening/closing component（2）Including
Provided with passway（211）And it is fixedly connected on valve chamber（1）The valve plate of inwall（21）, be arranged in valve plate（21）And be rotationally connected with
Valve chamber（1）Synchronizing shaft（22）, it is radially fixed in synchronizing shaft（22）And sealing is matched with valve plate（21）Rotary valve（23）, institute
State rotary valve（23）By synchronizing shaft（22）Rotation is driven to realize to passway（211）Sealing or conducting.
2. a kind of plunger pump valve group according to claim 1, it is characterized in that：The rotary valve（23）Including integrally formed
Moving valve plate（231）And sleeve（232）, the moving valve plate（231）With valve plate（21）Blind-mate, the moving valve plate（231）If
Have and passway（211）The breach being connected（2311）, the sleeve（232）Inwall and synchronizing shaft（22）Outer wall is radially solid
It is fixed.
3. a kind of plunger pump valve group according to claim 2, it is characterized in that：The sleeve（232）Inwall is provided with and it
The keyway being axially set in parallel（31）, the synchronizing shaft（22）Outer wall is provided with and is embedded at keyway（31）Connecting key（3）.
4. a kind of plunger pump valve group according to claim 2, it is characterized in that：The breach（2311）Side wall and passway
（211）Side wall is provided with cutting edge（4）.
5. a kind of plunger pump valve group according to claim 1, it is characterized in that：The synchronizing shaft（22）One end is arranged in valve pocket
Body（1）End face and it is connected with positioning shaft coupling（5）, the positioning shaft coupling（5）Inwall is provided with spline（51）.
6. a kind of plunger pump valve group according to claim 1 or 2, it is characterized in that：The rotary valve（23）Away from valve plate
（21）Side and valve chamber（1）Between be provided with spring（6）, the spring（6）With rotary valve（23）Center is in be coaxially disposed.
7. a kind of plunger pump valve group according to claim 1, it is characterized in that：The opening/closing component（2）Provided with two groups and two
Root synchronizing shaft（22）In coaxially connected, opening/closing component described in two groups（2）With valve chamber（1）Inwall is formed along valve chamber（1）Length
The first chamber that direction is arranged in order（11）, second chamber（12）With the 3rd chamber（13）, the second chamber（12）Inside it is provided with
With valve chamber（1）Inner wall sealing coordinates and forms the first excessively stream chamber（71）With the second excessively stream chamber（72）Seal（7）；Described
One chamber（11）Positioned at the first excessively stream chamber（71）Side is communicated with suction side body（8）, the first excessively stream chamber（71）Provided with suction
Enter to hold body（8）The first excessively stream end body being connected（711）；3rd chamber（13）Positioned at the second excessively stream chamber（72）Side is connected
There is outlet side body（9）, the second excessively stream chamber（72）Provided with outlet side body（9）The second excessively stream end body being connected（721）；Institute
State suction side body（8）With the second excessively stream end body（721）By one of opening/closing component（2）Realization is communicated or sealed, the discharge
Hold body（9）With the first excessively stream end body（711）By another opening/closing component（2）Realization is communicated or sealed；Each valve plate（21）
Positioned at first, second excessively stream chamber（71,72）Side is equipped with a passway（211）.
8. a kind of plunger pump valve group according to claim 1, it is characterized in that：The synchronizing shaft（22）With valve chamber（1）It is interior
O-ring seals are provided between wall（10）.
9. a kind of opposed type plunger pump, it is characterized in that：Including plunger pump valve group and power end, the plunger pump valve group includes valve pocket
Body（1）And opening/closing component（2）, the opening/closing component（2）Including provided with passway（211）And it is fixedly connected on valve chamber（1）It is interior
The valve plate of wall（21）, be arranged in valve plate（21）And it is rotationally connected with valve chamber（1）Synchronizing shaft（22）, it is radially fixed in synchronizing shaft
（22）And sealing is matched with valve plate（21）Rotary valve（23）, the rotary valve（23）By synchronizing shaft（22）Drive rotation realization pair
Passway（211）Sealing or conducting；The opening/closing component（2）Provided with two groups and two synchronizing shafts（22）In coaxially connected, two
The group opening/closing component（2）With valve chamber（1）Inwall is formed along valve chamber（1）The first chamber that length direction is arranged in order
（11）, second chamber（12）With the 3rd chamber（13）, the second chamber（12）Inside it is provided with and valve chamber（1）Inner wall sealing coordinates
And form the first excessively stream chamber（71）With the second excessively stream chamber（72）Seal（7）；The first chamber（11）Positioned at the first excessively stream
Chamber（71）Side is communicated with suction side body（8）, the first excessively stream chamber（71）Provided with suction side body（8）The first mistake being connected
Flow end body（711）；3rd chamber（13）Positioned at the second excessively stream chamber（72）Side is communicated with outlet side body（9）, described second
Excessively stream chamber（72）Provided with outlet side body（9）The second excessively stream end body being connected（721）；The suction side body（8）With the second mistake
Flow end body（721）By one of opening/closing component（2）Realization is communicated or sealed, the outlet side body（9）With the first excessively stream end body
（711）By another opening/closing component（2）Realization is communicated or sealed；Each valve plate（21）Positioned at first, second excessively stream chamber
（71,72）Side is equipped with a passway（211）；The power end（17）Including coaxially connected in synchronizing shaft（22）Bent axle
（24）, driving bent axle（24）The motor of rotation（25）, by bent axle（24）Drive is reciprocating and in two posts being coaxially disposed
Plug（26）With plunger（26）Correspond and supply plunger（26）The excessively stream cavity worn（27）, two excessively stream cavitys（27）
Respectively with the first excessively stream end body（711）, the second excessively stream end body（721）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216231.XA CN107044411B (en) | 2017-04-05 | 2017-04-05 | A kind of plunger pump valve group and the opposed type plunger pump using the valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216231.XA CN107044411B (en) | 2017-04-05 | 2017-04-05 | A kind of plunger pump valve group and the opposed type plunger pump using the valve group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107044411A true CN107044411A (en) | 2017-08-15 |
| CN107044411B CN107044411B (en) | 2019-09-10 |
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ID=59545210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216231.XA Active CN107044411B (en) | 2017-04-05 | 2017-04-05 | A kind of plunger pump valve group and the opposed type plunger pump using the valve group |
Country Status (1)
| Country | Link |
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| CN (1) | CN107044411B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799035A (en) * | 2018-07-05 | 2018-11-13 | 武汉华喜特种液压设备有限公司 | A kind of synchronous rotary flow Small Plunger Pump |
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| CN1083570A (en) * | 1992-09-02 | 1994-03-09 | 程文玉 | Oriented multiple-way rotary plate valve |
| CN2446344Y (en) * | 2000-09-01 | 2001-09-05 | 赵向龙 | Timingly changing room temp auto-regulating temp control valve |
| CN101581378A (en) * | 2009-06-25 | 2009-11-18 | 天津阿瑞斯加热设备有限公司 | Heat-accumulation combustion reversing valve |
| CN201448205U (en) * | 2009-07-07 | 2010-05-05 | 朱昶昊 | 10-plunger large-displacement opposed high-pressure plunger pump |
| CN206785614U (en) * | 2017-04-05 | 2017-12-22 | 上海申贝泵业制造有限公司 | A kind of opposed type plunger pump of plunger pump valve group and the application valve group |
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2017
- 2017-04-05 CN CN201710216231.XA patent/CN107044411B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0417461A1 (en) * | 1989-09-09 | 1991-03-20 | Friedrich Grohe Aktiengesellschaft | Shut-off and regulator valve |
| CN1083570A (en) * | 1992-09-02 | 1994-03-09 | 程文玉 | Oriented multiple-way rotary plate valve |
| CN2446344Y (en) * | 2000-09-01 | 2001-09-05 | 赵向龙 | Timingly changing room temp auto-regulating temp control valve |
| CN101581378A (en) * | 2009-06-25 | 2009-11-18 | 天津阿瑞斯加热设备有限公司 | Heat-accumulation combustion reversing valve |
| CN201448205U (en) * | 2009-07-07 | 2010-05-05 | 朱昶昊 | 10-plunger large-displacement opposed high-pressure plunger pump |
| CN206785614U (en) * | 2017-04-05 | 2017-12-22 | 上海申贝泵业制造有限公司 | A kind of opposed type plunger pump of plunger pump valve group and the application valve group |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799035A (en) * | 2018-07-05 | 2018-11-13 | 武汉华喜特种液压设备有限公司 | A kind of synchronous rotary flow Small Plunger Pump |
| CN108799035B (en) * | 2018-07-05 | 2024-01-09 | 武汉华喜特种液压设备有限公司 | Synchronous rotation flow distribution miniature plunger pump |
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| Publication number | Publication date |
|---|---|
| CN107044411B (en) | 2019-09-10 |
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