CN110285049A - Forcibly close inlet valve and slant hole pump - Google Patents
Forcibly close inlet valve and slant hole pump Download PDFInfo
- Publication number
- CN110285049A CN110285049A CN201910724922.XA CN201910724922A CN110285049A CN 110285049 A CN110285049 A CN 110285049A CN 201910724922 A CN201910724922 A CN 201910724922A CN 110285049 A CN110285049 A CN 110285049A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve ball
- moving spring
- bonnet
- ball
- 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.)
- Pending
Links
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 3
- 239000003129 oil well Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 5
- 210000003660 reticulum Anatomy 0.000 description 71
- 239000003921 oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- 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
- F04B53/1002—Ball valves
-
- 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
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
- F04B53/125—Reciprocating valves
- F04B53/126—Ball valves
-
- 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
- F04B53/14—Pistons, piston-rods or piston-rod connections
Abstract
The present invention provides a kind of positive closing inlet valve and slant hole pumps, are related to the technical field of oil exploration equipment, including the first valve bonnet, first back-moving spring, the first valve ball and the first valve seat；Using the forced resetting structure of no pin shaft, can be abutted respectively with valve ball limited step or the first valve seat by the first valve ball；Valve ball limited step has righting effect to the first valve ball and limit is reliable for accommodating the first valve ball, and by the high jump of cascaded surface the first valve ball of limitation；First back-moving spring, which has, enables elastic trend of first valve ball close to the first valve seat, first back-moving spring will not generate excessive skew in upper and lower compression movement, will not abrasion first back-moving spring outer ring, the case where rubbing failure can effectively be avoided, it good can solve the problems, such as that valve pair is easily shut off in slant hole pump, the pumping efficiency of slant hole pump can be significantly improved, oilwell produced fluid amount is improved, effectively increases the overall work service life.
Description
Technical field
The present invention relates to oil exploration equipment technical fields, more particularly, to a kind of positive closing inlet valve and deflecting well oil withdrawal
Pump.
Background technique
In recent years, with the increase of oil mining difficulty, inclined shaft, high angle hole application increase, inclined shaft deep-well oil pump
Demand also increases therewith.
Forced Valve inside slant hole pump in the prior art generallys use active pin shaft and pin shaft hole adds spring to force
The structure of reset.
But the Forced Valve of slant hole pump in the prior art loses limit there are pin shaft and easy to wear become larger of pin shaft hole
Bit function, can be there is a situation where compressing and fractureing so as to cause reset spring, so that the service life of Forced Valve is short, Forced Valve exists
The case where just failing in a short time happens occasionally, and causes production process to be interrupted, influences working efficiency, causes biggish economic damage
It loses.
Summary of the invention
It is existing in the prior art to alleviate the purpose of the present invention is to provide positive closing inlet valve and slant hole pump
The technical issues of Forced Valve service life is short, influences working efficiency, causes economic loss.
A kind of positive closing inlet valve provided by the invention, comprising: the first valve bonnet, first back-moving spring, the first valve ball and
First valve seat；
First valve seat is set in first valve bonnet, and is abutted with first valve bonnet, and first valve seat
The first accommodating space is formed between first valve bonnet, the first back-moving spring and first valve ball are respectively positioned on described
In one accommodating space, valve ball limited step is provided in first valve bonnet, first valve ball can be limited along the valve ball
Channel between position step and first valve seat is mobile, and first valve ball can respectively with the valve ball limited step or
First valve seat abuts；
The first back-moving spring is between first valve bonnet and first valve ball, and the first back-moving spring
Both ends abutted respectively with the inner wall of first valve bonnet and first valve ball, the first back-moving spring, which has, enables described the
Elastic trend of one valve ball close to first valve seat.
In preferred embodiments of the present invention, first valve bonnet is provided with accommodating far from one end of first valve seat
Hole, one end of the first back-moving spring are set in the accommodating hole, and the first back-moving spring is remote with the accommodating hole
End abutment from first valve seat.
In preferred embodiments of the present invention, the accommodating hole, which is internally provided with, sets the first back-moving spring for card
Stepped groove.
In preferred embodiments of the present invention, the valve ball limited step in first valve bonnet is inclined to set, so that institute
State the first valve ball position described in righting after valve ball limited step is abutted with first valve ball.
In preferred embodiments of the present invention, first valve bonnet inner cavity is provided with liquid-passing hole, and the liquid-passing hole can be with
The valve ball limited step forms the first arcuation flow-conveying groove, and the first arcuation flow-conveying groove is for buffering in first valve bonnet
Hydraulic oil, the side of the first arcuation flow-conveying groove form the first righting rib for limiting first valve ball position.
It further include the first wedge connector in preferred embodiments of the present invention；
The first wedge connector is abutted with first valve seat away from one end of first valve bonnet, and first pressure
Seated connection head is inserted in first valve bonnet, and is connect with first valve bonnet.
A kind of slant hole pump provided by the invention, comprising: pump barrel assembly, assembly for plunger and the positive closing sucking
Valve；
The assembly for plunger and the positive closing inlet valve are respectively positioned on inside the pump barrel assembly, and the assembly for plunger
It is connect with the positive closing inlet valve；
The assembly for plunger includes plunger body and positive closing dump valve；There are two the positive closing dump valve settings,
Two both ends for forcibly closing dump valve and being respectively arranged at the plunger body, and two positive closing dump valve difference
It is connect with the plunger body.
In preferred embodiments of the present invention, the positive closing dump valve includes positioning pin, the second valve bonnet, the second reset
Spring, the second valve ball and the second valve seat；
Second valve seat is abutted with one end of second valve bonnet, and between second valve seat and second valve bonnet
The second accommodating space is formed, the positioning pin, the second back-moving spring and second valve ball are respectively positioned on second accommodating
In space, and the positioning pin is fixedly connected with the inside of second valve bonnet, and second valve ball can be along the positioning
Sell mobile the channel between second valve seat, and second valve ball can respectively with the positioning pin and second valve
Seat abuts；
The second back-moving spring is sheathed on the outside of the positioning pin, and the both ends of the second back-moving spring respectively with
The positioning pin and second valve ball abut, and the second back-moving spring, which has, enables second valve ball close to second valve
The elastic trend of seat.
In preferred embodiments of the present invention, the cross sectional shape of the positioning pin is in T font；And the positioning of T font
It sells the one end abutted with the second back-moving spring and is provided with the ladder platform for setting the second back-moving spring for card.
In preferred embodiments of the present invention, the inner cavity milling of second valve bonnet has the second arcuation flow-conveying groove, and described
Two arcuation flow-conveying grooves are used to buffer the hydraulic oil in second valve bonnet, and the side of the second arcuation flow-conveying groove is formed for limiting
Second righting rib of fixed second valve ball position.
It further include the second wedge connector in preferred embodiments of the present invention；
The second wedge connector is abutted with second valve seat away from one end of second valve bonnet, and second pressure
Seated connection head is inserted in second valve bonnet, and is connect with second valve bonnet.
A kind of positive closing inlet valve provided by the invention, comprising: the first valve bonnet, first back-moving spring, the first valve ball and
First valve seat；Using the forced resetting structure of no pin shaft, specifically, by being provided with valve ball limited step in the first valve bonnet, when
Forcibly closing inlet valve internal hydraulic pressure oil drives the first valve ball when being moved, the first valve ball can along valve ball limited step and
Channel between first valve seat is mobile, and the first valve ball can be abutted with valve ball limited step or the first valve seat respectively；Wherein, valve
The ball limited step greatest limit position mobile as the first valve ball, valve ball limited step pass through for limiting the first valve ball
Cascaded surface limits the high jump of the first valve ball, has righting effect to the first valve ball, and limit reliable；The two of first back-moving spring
End is abutted with the inner wall of the first valve bonnet and the first valve ball respectively, and first back-moving spring, which has, enables the first valve ball close to the first valve seat
Elastic trend；Since first back-moving spring is constantly in compressive state between the first valve bonnet and the first valve ball, first is multiple
Position spring excessive skew will not be generated in upper and lower compression movement, will not abrasion first back-moving spring outer ring, can effectively keep away
Exempt from the case where rubbing failure, it is short to alleviate Forced Valve service life existing in the prior art, influences working efficiency, causes economic damage
The technical issues of mistake；It good can solve the problems, such as that valve pair is easily shut off in slant hole pump, can significantly improve inclined shaft
The pumping efficiency of oil well pump improves oilwell produced fluid amount, effectively increases the overall work service life of inclined shaft (deep-well) oil well pump, substantially
Extend pump detection period, saves inspection pump expense.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram when positive closing inlet valve provided in an embodiment of the present invention is in down stroke；
Fig. 2 is structural schematic diagram when positive closing inlet valve provided in an embodiment of the present invention is in upstroke；
Fig. 3 is the overall structure diagram of slant hole pump provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the assembly for plunger of slant hole pump provided in an embodiment of the present invention；
Fig. 5 is structural schematic diagram when positive closing dump valve provided in an embodiment of the present invention is in down stroke；
Fig. 6 is structural schematic diagram when positive closing dump valve provided in an embodiment of the present invention is in upstroke；
Fig. 7 is the structural schematic diagram of the positioning pin provided in an embodiment of the present invention for forcibly closing dump valve.
Icon: 100- forcibly closes inlet valve；The first valve bonnet of 200-；300- first back-moving spring；The first valve ball of 400-；
The first valve seat of 500-；600- valve ball limited step；700- accommodating hole；800- stepped groove；900- liquid-passing hole；The first righting of 110-
Muscle；120- the first wedge connector；130- pump barrel assembly；140- assembly for plunger；150- forcibly closes dump valve；151- positioning pin；
The second valve bonnet of 152-；153- second back-moving spring；The second valve ball of 154-；The second valve seat of 155-；156- ladder platform；The second arc of 157-
Shape flow-conveying groove；The second righting rib of 158-；159- the second wedge connector；160- plunger body.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
As Figure 1-Figure 2, a kind of positive closing inlet valve 100 provided in this embodiment, comprising: the first valve bonnet 200,
One reset spring 300, the first valve ball 400 and the first valve seat 500；First valve seat 500 is set in the first valve bonnet 200, and with
One end of one valve bonnet 200 abuts, and the first accommodating space is formed between the first valve seat 500 and the first valve bonnet 200, and first resets bullet
Spring 300 and the first valve ball 400 are respectively positioned in the first accommodating space, and valve ball limited step 600 is provided in the first valve bonnet 200, the
One valve ball 400 can be moved along the channel between valve ball limited step 600 and the first valve seat 500, and the first valve ball 400 can
It is abutted respectively with valve ball limited step 600 or the first valve seat 500；First back-moving spring 300 is located at the first valve bonnet 200 and the first valve
Between ball 400, and the both ends of first back-moving spring 300 are abutted with the inner wall of the first valve bonnet 200 and the first valve ball 400 respectively, the
One reset spring 300, which has, enables the first valve ball 400 close to the elastic trend of the first valve seat 500.
Wherein, the present embodiment provides forcibly closing inlet valve 100 to use the forced resetting structure without pin shaft, by first
First back-moving spring 300 is installed inside valve bonnet 200, and is provided with valve ball limited step 600, valve in the first valve bonnet 200
The accommodating hole 700 of ball limited step 600 being internally provided with for placing first back-moving spring 300, and first back-moving spring
It 300 stretching accommodating holes 700 and extends beyond valve ball limited step 600 and is abutted with the first valve ball 400, optionally, valve ball
The internal diameter of limited step 600 is greater than the diameter of first back-moving spring 300, less than the diameter of the first valve ball 400, so that
Valve ball limited step 600 can accommodate the first valve ball 400, and can limit the first valve ball 400 by valve ball limited step 600
High jump, that is, limit moving distance of first valve ball 400 in upstroke, limit can be realized by valve ball limited step 600
The effect of effect and the first valve ball of righting 400, so as to guarantee that the first valve ball 400, will not excessive condensation in upstroke
First back-moving spring 300, and first back-moving spring 300 is caused to fracture.
Optionally, one end of the abutting of first back-moving spring 300 and the first valve ball 400, can be with the circle of the first valve ball 400
Cambered surface is bonded completely, thereby may be ensured that first back-moving spring 300 in the stability to pump.
Positive closing inlet valve 100 provided in this embodiment can be applied to series and forcibly close slant hole pump, force
Anti-corrosion slant hole pump is closed, is also used as serial double plunger mechanical valve type oil well pump, three plunger mechanical valve type inclined shafts pump
Fixed valve carry out using.
It should be noted that since the application scenarios provided in this embodiment for forcibly closing inlet valve 100 are above-mentioned a variety of
Oil well pump, therefore the control that in the valve chamber for forcibly closing inlet valve 100 there is the hydraulic oil of flowing to carry out the first valve ball 400,
Specific control mode belongs to the prior art, and details are not described herein.
A kind of positive closing inlet valve 100 provided in this embodiment, comprising: the first valve bonnet 200, first back-moving spring 300,
First valve ball 400 and the first valve seat 500；Using the forced resetting structure of no pin shaft, specifically, by being set in the first valve bonnet 200
It is equipped with valve ball limited step 600, when positive closing inlet valve internal hydraulic pressure oil drives the first valve ball 400 to be moved, first
Valve ball 400 can be moved along the channel between valve ball limited step 600 and the first valve seat 500, and the first valve ball 400 can divide
It is not abutted with valve ball limited step 600 and the first valve seat 500；Wherein, valve ball limited step 600 is mobile as the first valve ball 400
Greatest limit position, valve ball limited step 600 for accommodate the first valve ball 400, and by cascaded surface limitation the first valve ball 400
High jump, there is righting effect to the first valve ball 400, and limit reliable；The both ends of first back-moving spring 300 are respectively with first
The inner wall of valve bonnet 200 and the first valve ball 400 abut, and first back-moving spring 300, which has, enables the first valve ball 400 close to the first valve seat
500 elastic trend；Since first back-moving spring 300 is constantly in compression shape between the first valve bonnet 200 and the first valve ball 400
State, therefore first back-moving spring 300 will not generate excessive skew in upper and lower compression movement, it will not abrasion first back-moving spring
300 outer ring can effectively avoid the case where rubbing failure, and it is short to alleviate Forced Valve service life existing in the prior art, shadow
The technical issues of ringing working efficiency, causing economic loss；It good can solve asking of being easily shut off of valve pair in slant hole pump
Topic can significantly improve the pumping efficiency of slant hole pump, improve oilwell produced fluid amount, effectively increase inclined shaft (deep-well) oil pumping
In the overall work service life of pump, substantially extend pump detection period, saves inspection pump expense.
On the basis of the above embodiments, further, in preferred embodiments of the present invention, the first valve bonnet 200 is separate
One end of first valve seat 500 is provided with accommodating hole 700, and one end of first back-moving spring 300 is set in accommodating hole 700, and the
One reset spring 300 and end abutment of the accommodating hole 700 far from first valve seat 500.
Preferably due to which the diameter less than the first valve ball 400 need to be met by being provided with accommodating hole 700 in the first valve bonnet 200
, therefore accommodating hole 700 can accommodate compared with the resetting structure of existing structure, the nominal diameter that changes the outfit is bigger and pitch is smaller
First back-moving spring 300 improved service life so as to improve 300 fatigue crack-resistant ability of first back-moving spring.
In preferred embodiments of the present invention, accommodating hole 700 is internally provided with the rank that first back-moving spring 300 is set for card
Terraced slot 800；Preferably, by processing the stepped groove limited to first back-moving spring 300 at the top of accommodating hole 700
800, and by the other end of the arc surface of the first valve ball 400 limitation first back-moving spring 300, the first reset bullet can be made
Spring 300 will not generate excessive skew in upper and lower compression movement, reduce 300 outer ring of abrasion first back-moving spring, can be effective
Avoid the case where rubbing failure.
In preferred embodiments of the present invention, the valve ball limited step 600 in the first valve bonnet 200 is inclined to set, so that
400 position of the first valve ball of righting after valve ball limited step 600 is abutted with the first valve ball 400.
Preferably, by the way that valve ball limited step 600 is inclined to set, so as to when valve ball limited step 600 incline
Inclined-plane is more preferably bonded with the first valve ball 400, thus when the first valve ball 400 is contacted with valve ball limited step 600, for the
One valve ball 400 has righting effect, so that design is more reasonable.
In preferred embodiments of the present invention, 200 inner cavity of the first valve bonnet is provided with liquid-passing hole 900, and liquid-passing hole 900 can be with
Valve ball limited step 600 forms the first arcuation flow-conveying groove, and the first arcuation flow-conveying groove is hydraulic in the first valve bonnet 200 for buffering
Oil, the side of the first arcuation flow-conveying groove form the first righting rib 110 for limiting 400 position of the first valve ball.
Wherein, liquid-passing hole 900 can be set multiple, when each liquid-passing hole 900 extends to valve ball limited step 600,
Each liquid-passing hole 900 is in hatch frame at this time, that is, forms multiple first arcuation flow-conveying grooves, each first arcuation flow-conveying groove
Can be when the first valve ball 400 carry out upstroke movement, the hydraulic oil of buffering cavity internal flow, and each first arc
The two sides side of shape flow-conveying groove forms the first righting rib 110, passes through multiple first arcuation flow-conveying grooves and multiple first rightings
Muscle 110 can guarantee that 400 operating position of the first valve ball is relatively placed in the middle, when the first valve ball 400 is turned on or off, enable to
It forcibly closes inlet valve 100 to shake small and be swift in motion, flexibly, and then improves the erosion resistance of the first valve bonnet 200.
It further include the first wedge connector 120 in preferred embodiments of the present invention；First wedge connector 120 and the first valve
Seat 500 is abutted away from one end of first valve bonnet 200, and the first wedge connector 120 is inserted in the first valve bonnet 200, and with
The connection of first valve bonnet 200.
In order to guarantee that the first valve seat 500 is capable of fixing in the first valve bonnet 200, pass through the first wedge connector 120 and first
Valve seat 500 abuts, and the connection type of the first wedge connector 120 and the first valve bonnet 200 can be a variety of, such as: screw thread connects
It connects, be interference fitted, by pin connection etc., it is preferable that the connection type of the first wedge connector 120 and the first valve bonnet 200 is screw thread
Connection.
Specific work process: as shown in Figure 1, when upstroke, the first valve ball 400 moves upwards out under pump intake pressure effect
It opens, liquid stream enters into and through liquid-passing hole 900 by lower end and enters the first 400 or more valve ball, and the high jump of the first valve ball 400 is by valve ball
Limited step 600 is limited, will not excessive condensation first back-moving spring 300 make its mechanical failure；First back-moving spring simultaneously
300 lateral positions are relatively fixed, will not generate excessive skew, avoid friction stepped hole and wear and rupture, improve service life.
As shown in Fig. 2, the first valve ball 400 is pushed by first back-moving spring 300 when down stroke, move downward rapidly, into
And close and block liquid stream, the operation is stable is realized, it is reliable high-efficient, the pumping effect of inclined shaft deep-well oil pump can be greatly improved
Rate improves oilwell produced fluid amount.
As shown in Fig. 1-Fig. 7, a kind of slant hole pump provided in this embodiment, comprising: pump barrel assembly 130, assembly for plunger
140 and the positive closing inlet valve 100；Assembly for plunger 140 and positive closing inlet valve 100 are respectively positioned on pump barrel assembly 130
Inside, and assembly for plunger 140 is connect with inlet valve 100 is forcibly closed；Assembly for plunger 140 includes plunger body 160 and forcibly closes
Dump valve 150；It forcibly closes there are two the settings of dump valve 150, two positive closing dump valves 150 are respectively arranged at plunger body
160 both ends, and two positive closing dump valves 150 are connect with plunger body 160 respectively.
Wherein, the assembly for plunger 140 of slant hole pump provided in this embodiment is using pair knot of positive closing dump valves 150
Structure, two positive closing dump valves 150 are installed on the both ends of plunger body 160 respectively, which can be such that two pressures up and down close
It is consistent general to close dump valve 150, processing economy is more preferable.
In preferred embodiments of the present invention, forcibly closing dump valve 150 includes positioning pin 151, the second valve bonnet 152, the
Two reset springs 153, the second valve ball 154 and the second valve seat 155；Second valve seat 155 is abutted with one end of the second valve bonnet 152, and
The second accommodating space, positioning pin 151, second back-moving spring 153 and second are formed between second valve seat 155 and the second valve bonnet 152
Valve ball 154 is respectively positioned in the second accommodating space, and positioning pin 151 is fixedly connected with the inside of the second valve bonnet 152, the second valve ball
154 can move along the channel between positioning pin 151 and the second valve seat 155, and the second valve ball 154 can respectively with positioning pin
151 and second valve seat 155 abut；Second back-moving spring 153 is sheathed on the outside of positioning pin 151, and second back-moving spring 153
Both ends are abutted with positioning pin 151 and the second valve ball 154 respectively, and second back-moving spring 153, which has, enables the second valve ball 154 close to second
The elastic trend of valve seat 155.
Wherein, lose for the movable pin shaft of slant hole pump commonly used in the prior art and easy to wear become larger of pin shaft hole
The defect of limit function is lost, positive closing dump valve 150 provided in this embodiment is by using fixed positioning for positioning pin 151
Pin 151.
Optionally, one end of the abutting of second back-moving spring 153 and the second valve ball 154, can be with the circle of the second valve ball 154
Cambered surface is bonded completely, thereby may be ensured that second back-moving spring 153 in the stability to pump.
It should be noted that since the application scenarios provided in this embodiment for forcibly closing dump valve 150 are above-mentioned inclined shaft
Oil well pump, therefore the control that in the valve chamber for forcibly closing dump valve 150 there is the hydraulic oil of flowing to carry out the second valve ball 154,
Specific control mode belongs to the prior art, and details are not described herein.
Optionally, positioning pin 151 is spun in the second valve bonnet 152 by screw thread first, and passes through spot welding in junction
Fixed, when operating, the second valve ball 154 is moved, and positioning pin 151 is motionless, and the high jump of the second valve ball 154 is by positioning pin 151
Lower end surface limited, and then the problems such as be able to solve bayonet lock, disconnected spring.
As shown in fig. 7, the cross sectional shape of positioning pin 151 is in T font in preferred embodiments of the present invention；And T font
One end that positioning pin 151 is abutted with second back-moving spring 153 is provided with the ladder platform 156 that second back-moving spring 153 is set for card.
Optionally, positioning pin 151 uses the corrosion-resistant resistance to erosion of stainless steel material, and is reduced and cut using T font chamfered edge structure
Area processes 156 rank of positioning ladder platform of second back-moving spring 153 to increase area of passage on positioning pin 151, to determine the
The installation site of two reset springs 153 and the inner ring that abrasion second back-moving spring 153 can be prevented.
Preferably, by processing the ladder platform limited to second back-moving spring 153 at the top of positioning pin 151
156, and by the other end of the arc surface of the second valve ball 154 limitation second back-moving spring 153, the second reset bullet can be made
Spring 153 will not generate excessive skew in upper and lower compression movement, reduce 153 inner ring of abrasion second back-moving spring, can be effective
Avoid the case where rubbing failure.
The present embodiment provides forcibly close dump valve 150 using the forced resetting structure of fixed locating stud 151, by the
Positioning pin 151 is fixedly installed with inside two valve bonnets 152, second back-moving spring 153 can be sheathed on the outside of positioning pin 151, and
And second back-moving spring 153 stretch out positioning pin 151 abutted with the second valve ball 154, optionally, T font positioning pin 151 it is big
The diameter of head end is greater than the diameter of second back-moving spring 153, and the diameter of the small head end of T font positioning pin 151 is resetted less than second
The diameter of spring 153, the end face of the small head end of T font positioning pin 151 can limit the high jump of the second valve ball 154, that is, limit the
Moving distance of two valve balls 154 in upstroke, so as to guarantee that the second valve ball 154, will not excessive condensation in upstroke
Second back-moving spring 153, and second back-moving spring 153 is caused to fracture.
In preferred embodiments of the present invention, the inner cavity milling of the second valve bonnet 152 has the second arcuation flow-conveying groove 157, and second
Arcuation flow-conveying groove 157 is used to buffer the hydraulic oil in the second valve bonnet 152, and the side of the second arcuation flow-conveying groove 157 is formed for limiting
Second righting rib 158 of fixed second valve ball, 154 position.
Wherein, the second arcuation flow-conveying groove 157 can be set multiple, each second arcuation flow-conveying groove 157 can be
When second valve ball 154 carries out upstroke movement, the hydraulic oil of buffering cavity internal flow, and each second arcuation flow-conveying groove
157 two sides side forms the second righting rib 158, passes through multiple second arcuation flow-conveying grooves 157 and multiple second righting ribs
158 can guarantee that 154 operating position of the second valve ball is relatively placed in the middle, can more rapidly when the second valve ball 154 is turned on or off
It is more flexible, improve delivery connection and 152 erosion resistance of the second valve bonnet.
It further include the second wedge connector 159 in preferred embodiments of the present invention；Second wedge connector 159 and the second valve
Seat 155 is abutted away from one end of the second valve bonnet 152, and the second wedge connector 159 is inserted in the second valve bonnet 152, and with second
Valve bonnet 152 connects.
In order to guarantee that the second valve seat 155 is capable of fixing in the second valve bonnet 152, pass through the second wedge connector 159 and second
Valve seat 155 abuts, and the connection type of the second wedge connector 159 and the second valve bonnet 152 can be a variety of, such as: screw thread connects
It connects, be interference fitted, by pin connection etc., it is preferable that the connection type of the second wedge connector 159 and the second valve bonnet 152 is screw thread
Connection.
Specific work process: as shown in Fig. 5-Fig. 6, fixed positioning pin 151 is threadably secured in the second valve bonnet 152
Upper end, and by spot welding anti-back, the limit ladder platform 156 on positioning pin 151 is fixed in the upper end of second back-moving spring 153
On, the lower end of second back-moving spring 153 resists the second valve ball 154, and 152 inner hole of the second valve bonnet is machined with to be helped for the second of guiding
Positive muscle 158, so as to the movement of more convenient second valve ball 154.
As shown in figure 5, second back-moving spring 153, which pushes the second valve ball 154 to move downward, makes valve pair close liquid when upstroke
Stream cut-off；As shown in fig. 6, when down stroke, liquid stream is entered from lower end by pump intake pressure effect and pushes the second valve ball 154 to moving up
Dynamic, liquid stream enters 154 upper space of the second valve ball, the second valve by the second arcuation flow-conveying groove 157 around the second valve ball 154
The Lift of ball 154 is limited by the lower end surface of positioning pin 151.
A kind of slant hole pump provided in this embodiment, it is stable and reliable in work, it can be in good solution slant hole pump
The problem of valve pair is easily shut off can significantly improve the pumping efficiency of slant hole pump, improve oilwell produced fluid amount, effectively improve
Overall work service life of inclined shaft (deep-well) oil well pump, substantially extends pump detection period, saved inspection pump expense.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of positive closing inlet valve characterized by comprising the first valve bonnet, first back-moving spring, the first valve ball and first
Valve seat；
First valve seat is set in first valve bonnet, and is abutted with first valve bonnet, and first valve seat and institute
It states and forms the first accommodating space between the first valve bonnet, the first back-moving spring and first valve ball are respectively positioned on described first and hold
In emptying, valve ball limited step is provided in first valve bonnet, first valve ball can be along the valve ball limiting stand
Channel between rank and first valve seat is mobile, and first valve ball can be with the valve ball limited step or described first
Valve seat abuts；
The first back-moving spring is between first valve bonnet and first valve ball, and the two of the first back-moving spring
End is abutted with the inner wall of first valve bonnet and first valve ball respectively, and the first back-moving spring, which has, enables first valve
Elastic trend of the ball close to first valve seat.
2. positive closing inlet valve according to claim 1, which is characterized in that first valve bonnet is far from first valve
One end of seat is provided with accommodating hole, and one end of the first back-moving spring is set in the accommodating hole, and described first resets
The end abutment far from first valve seat of spring and the accommodating hole；
The accommodating hole is internally provided with the stepped groove that the first back-moving spring is set for card.
3. positive closing inlet valve according to claim 1, which is characterized in that the valve ball limiting stand in first valve bonnet
Rank is inclined to set so that the valve ball limited step abutted with first valve ball after the first valve ball position described in righting.
4. positive closing inlet valve according to claim 1, which is characterized in that first valve bonnet inner cavity is provided with logical liquid
Hole, the liquid-passing hole and the valve ball limited step form the first arcuation flow-conveying groove, and the first arcuation flow-conveying groove is for buffering
The side of hydraulic oil in first valve bonnet, the first arcuation flow-conveying groove is formed for limiting first valve ball position
First righting rib.
5. positive closing inlet valve according to claim 1-4, which is characterized in that further include that the first wedge connects
Head；
The first wedge connector is abutted with first valve seat away from one end of first valve bonnet, and first wedge connects
Head is inserted in first valve bonnet, and is connect with first valve bonnet.
6. a kind of slant hole pump characterized by comprising pump barrel assembly, assembly for plunger and such as any one of claim 1-5 institute
The positive closing inlet valve stated；
The assembly for plunger and the positive closing inlet valve are respectively positioned on inside the pump barrel assembly, and the assembly for plunger and institute
It states and forcibly closes inlet valve connection；
The assembly for plunger includes plunger body and positive closing dump valve；There are two the positive closing dump valve settings, and two
The dump valve that forcibly closes is respectively arranged at the both ends of the plunger body, and two positive closing dump valves respectively with institute
State plunger body connection.
7. slant hole pump according to claim 6, which is characterized in that the positive closing dump valve include positioning pin,
Second valve bonnet, second back-moving spring, the second valve ball and the second valve seat；
Second valve seat is abutted with one end of second valve bonnet, and is formed between second valve seat and second valve bonnet
Second accommodating space, the positioning pin, the second back-moving spring and second valve ball are respectively positioned on second accommodating space
It is interior, and the positioning pin is fixedly connected with the inside of second valve bonnet, second valve ball can along the positioning pin and
Channel between second valve seat is mobile, and second valve ball can be supported with the positioning pin and second valve seat respectively
It connects；
The second back-moving spring is sheathed on the outside of the positioning pin, and the both ends of the second back-moving spring respectively with it is described
Positioning pin and second valve ball abut, and the second back-moving spring, which has, enables second valve ball close to second valve seat
Elastic trend.
8. slant hole pump according to claim 7, which is characterized in that the cross sectional shape of the positioning pin is in T font；And
One end that the positioning pin of T font is abutted with the second back-moving spring, which is provided with, sets the second back-moving spring for card
Ladder platform.
9. slant hole pump according to claim 7, which is characterized in that the inner cavity milling of second valve bonnet has the second arc
Shape flow-conveying groove, the second arcuation flow-conveying groove are used to buffer the hydraulic oil in second valve bonnet, the second arcuation flow-conveying groove
Side form the second righting rib for limiting second valve ball position.
10. according to the described in any item slant hole pumps of claim 7-9, which is characterized in that further include the second wedge connector；
The second wedge connector is abutted with second valve seat away from one end of second valve bonnet, and second wedge connects
Head is inserted in second valve bonnet, and is connect with second valve bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724922.XA CN110285049A (en) | 2019-08-05 | 2019-08-05 | Forcibly close inlet valve and slant hole pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724922.XA CN110285049A (en) | 2019-08-05 | 2019-08-05 | Forcibly close inlet valve and slant hole pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110285049A true CN110285049A (en) | 2019-09-27 |
Family
ID=68024830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910724922.XA Pending CN110285049A (en) | 2019-08-05 | 2019-08-05 | Forcibly close inlet valve and slant hole pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110285049A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024057047A1 (en) * | 2022-09-16 | 2024-03-21 | Mol Magyar Olaj- És Gázipari Nyrt. | Piston for sucker-rod pumps |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413060Y (en) * | 2000-05-08 | 2001-01-03 | 徐明林 | Directional hard closing oil well pump |
| US6276909B1 (en) * | 1997-07-30 | 2001-08-21 | Robert Bosch Gmbh | Piston pump for a hydraulic brake system of a vehicle |
| CN2482595Y (en) * | 2001-07-02 | 2002-03-20 | 莱州晨莱石油机械有限公司 | Large-passageway efficient oil-well pump |
| CN2672323Y (en) * | 2003-12-29 | 2005-01-19 | 大庆油田有限责任公司 | Spring reset inclined well oil pump fixed valve |
| CN2818845Y (en) * | 2004-04-27 | 2006-09-20 | 卞振川 | Sandproofing big-sprue beam-pumping unit of spiral injection |
| US20100098568A1 (en) * | 2008-10-16 | 2010-04-22 | Adrian Marica | Mud pump systems for wellbore operations |
| CN101769248A (en) * | 2010-01-05 | 2010-07-07 | 于海涛 | Equant oil pump plunger assembly |
| CN201651528U (en) * | 2010-05-17 | 2010-11-24 | 吴登传 | Safety valve of steam cleaner |
| CN102287358A (en) * | 2011-08-30 | 2011-12-21 | 中国石油大学(华东) | Long-plunger type dual-barrel coal-dust resistant discharging and extracting pump |
| DE102012104517A1 (en) * | 2012-05-25 | 2013-11-28 | Tsubakimoto Chain Co. | Tensioner for imposing voltage to circulating cam chain for driving camshafts in engine, has locking element release mechanism for releasing engagement of locking teeth of locking element, where locking element has tool engagement area |
| CN203756301U (en) * | 2013-12-17 | 2014-08-06 | 绵阳富临精工机械股份有限公司 | Piston cooling nozzle |
| CN203822592U (en) * | 2014-04-03 | 2014-09-10 | 胜利油田高原石油装备有限责任公司 | Eccentric type scale prevention and sand burying prevention oil-well pump |
| CN204900231U (en) * | 2015-09-10 | 2015-12-23 | 任勇 | Redundant formula oil -well pump standing valve |
| CN208885489U (en) * | 2018-09-14 | 2019-05-21 | 天津大港油田石油工程研究院钻采技术开发有限公司 | A kind of anti-jetting oil pump |
| CN210239975U (en) * | 2019-08-05 | 2020-04-03 | 胜利油田胜机石油装备有限公司 | Forced closing suction valve and inclined shaft oil pump |
-
2019
- 2019-08-05 CN CN201910724922.XA patent/CN110285049A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6276909B1 (en) * | 1997-07-30 | 2001-08-21 | Robert Bosch Gmbh | Piston pump for a hydraulic brake system of a vehicle |
| CN2413060Y (en) * | 2000-05-08 | 2001-01-03 | 徐明林 | Directional hard closing oil well pump |
| CN2482595Y (en) * | 2001-07-02 | 2002-03-20 | 莱州晨莱石油机械有限公司 | Large-passageway efficient oil-well pump |
| CN2672323Y (en) * | 2003-12-29 | 2005-01-19 | 大庆油田有限责任公司 | Spring reset inclined well oil pump fixed valve |
| CN2818845Y (en) * | 2004-04-27 | 2006-09-20 | 卞振川 | Sandproofing big-sprue beam-pumping unit of spiral injection |
| US20100098568A1 (en) * | 2008-10-16 | 2010-04-22 | Adrian Marica | Mud pump systems for wellbore operations |
| CN101769248A (en) * | 2010-01-05 | 2010-07-07 | 于海涛 | Equant oil pump plunger assembly |
| CN201651528U (en) * | 2010-05-17 | 2010-11-24 | 吴登传 | Safety valve of steam cleaner |
| CN102287358A (en) * | 2011-08-30 | 2011-12-21 | 中国石油大学(华东) | Long-plunger type dual-barrel coal-dust resistant discharging and extracting pump |
| DE102012104517A1 (en) * | 2012-05-25 | 2013-11-28 | Tsubakimoto Chain Co. | Tensioner for imposing voltage to circulating cam chain for driving camshafts in engine, has locking element release mechanism for releasing engagement of locking teeth of locking element, where locking element has tool engagement area |
| CN203756301U (en) * | 2013-12-17 | 2014-08-06 | 绵阳富临精工机械股份有限公司 | Piston cooling nozzle |
| CN203822592U (en) * | 2014-04-03 | 2014-09-10 | 胜利油田高原石油装备有限责任公司 | Eccentric type scale prevention and sand burying prevention oil-well pump |
| CN204900231U (en) * | 2015-09-10 | 2015-12-23 | 任勇 | Redundant formula oil -well pump standing valve |
| CN208885489U (en) * | 2018-09-14 | 2019-05-21 | 天津大港油田石油工程研究院钻采技术开发有限公司 | A kind of anti-jetting oil pump |
| CN210239975U (en) * | 2019-08-05 | 2020-04-03 | 胜利油田胜机石油装备有限公司 | Forced closing suction valve and inclined shaft oil pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024057047A1 (en) * | 2022-09-16 | 2024-03-21 | Mol Magyar Olaj- És Gázipari Nyrt. | Piston for sucker-rod pumps |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11828282B2 (en) | Suction cover assembly for reciprocating pumps | |
| US9284953B2 (en) | Multiple port discharge manifold fluid end | |
| US9500195B2 (en) | Integrated design fluid end suction manifold | |
| CN110285049A (en) | Forcibly close inlet valve and slant hole pump | |
| CN210239975U (en) | Forced closing suction valve and inclined shaft oil pump | |
| CN110360095A (en) | Plunger assembly and plunger pump with the component | |
| US6659741B2 (en) | Travelling valve assembly for a fluid pump | |
| CN207093351U (en) | A kind of spherical valve seat mechanical closed-open type oil well pump | |
| CN107630853A (en) | A kind of high and low speed switching device and running motor | |
| CN204212964U (en) | A kind of floating type oil of joining for Variable plunger pump is secondary | |
| CA2864569C (en) | Mechanically actuated traveling valve | |
| CN103452834A (en) | Mechanical forced-twisting plunger rotator | |
| RU181157U1 (en) | Valve with seal for pump | |
| RU174522U1 (en) | Valve assembly for pump | |
| CN207406560U (en) | A kind of high and low speed switching device and running motor | |
| CN220037472U (en) | Bypass needle valve for spherical valve of pumped storage hydropower station | |
| CN101319731A (en) | Ultra-high pressure sea water safety valve | |
| CN111852844A (en) | Flexible metal oil well pump device in horizontal well and resetting device of fixed valve ball | |
| CN206111738U (en) | Overflow valve device is cut -off to high frequency | |
| RU214251U1 (en) | BALL CHECK VALVE DYNAMIC SEALING SYSTEM SHELL WITH V11-250 VALVE PAIR | |
| RU214279U1 (en) | BALL CHECK VALVE DYNAMIC SEALING SYSTEM SHELL WITH V11-225 VALVE PAIR | |
| KR102369111B1 (en) | Actuator having a air elimination valve | |
| RU215159U1 (en) | BALL CHECK VALVE WITH V11-150 VALVE PAIR | |
| CN209483579U (en) | Oil well pump | |
| CN215927625U (en) | Durable efficient plunger component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |