CN206016769U - A kind of double-purpose valve - Google Patents
A kind of double-purpose valve Download PDFInfo
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- CN206016769U CN206016769U CN201620935154.4U CN201620935154U CN206016769U CN 206016769 U CN206016769 U CN 206016769U CN 201620935154 U CN201620935154 U CN 201620935154U CN 206016769 U CN206016769 U CN 206016769U
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Abstract
The utility model discloses a kind of double-purpose valve, belongs to oil equipment field.The double-purpose valve includes valve body, valve ball and sealing piston, valve body includes the first cylinder being integrated, second cylinder and ball seat, first cylinder, second cylinder and ball seat are coaxially arranged, ball seat is located between the first cylinder and the second cylinder, internal diameter of the internal diameter on the top of ball seat more than the bottom of ball seat, and the internal diameter on the top of ball seat is equal with the internal diameter of the first cylinder, the internal diameter of the bottom of ball seat is equal with the internal diameter of the second cylinder, sealing piston is co-axially located in the second cylinder, the periphery wall of sealing piston is offseted with the internal perisporium sealing of the second cylinder, shear pin is provided between sealing piston and the second cylinder, the two ends of shear pin are inserted in sealing piston and the second cylinder respectively, valve ball is arranged in the first cylinder, internal diameter of the diameter of valve ball less than the first cylinder, valve ball is offseted with one end for stretching out the second cylinder of sealing piston.This utility model goes for inclined shaft.
Description
Technical field
This utility model belongs to oil equipment field, more particularly to a kind of double-purpose valve.
Background technology
As the exploitation of oil well, formation pressure can be gradually reduced, the production efficiency of oil well is had influence on.Ask to solve this
Topic, generally and then causes oil well that there is stronger drive to water filling in oil reservoir so as to keep or recover formation pressure by water injection well
Power, to ensure the production efficiency of oil well.
In water injection well Operating Pressure dispensing down-hole string, in order to ensure being smoothed out for operation, it is to avoid mine water is from pipe
Spray in post, it is necessary to by the bore seal of tubing string before decentralization tubing string, but in order to realize the one-way sealing of tubing string, so that
Tubing string can carry out anti-flushing well, so after the completion of tubing string decentralization, needing to unseal tubing string again, and throw in valve ball in tubing string.
In order to achieve the above object, typically now double-purpose valve, common double-purpose valve, bag can be installed in the bottom of tubing string
Valve body is included, the bottom of valve body is provided with sealing piston, sealing ring is set in the middle part of the internal perisporium of valve body, one end of sealing piston is stretched out
Sealing ring so that valve ball is can be placed in sealing piston, after the completion of tubing string decentralization, is suppressed into tubing string by cementing truck,
So that sealing piston departs from valve body under the effect of the pressure, valve ball falls on sealing ring therewith and forms sealing with sealing ring and matches somebody with somebody
Close, so as to both meet the bore seal before tubing string decentralization, also meet the one-way sealing after tubing string decentralization.However, due to valve
Ball is shelved in the inner peripheral wall of sealing ring and forms sealing and coordinate, once so water injection well is inclined shaft, then valve ball is easy to
Skid off from the inner peripheral wall of sealing ring, affect the one-way sealing property of tubing string.
Utility model content
In order to solve the problems, such as that existing double-purpose valve is not suitable for inclined shaft, this utility model embodiment provides a kind of double
Application valve.The technical scheme is as follows：
This utility model embodiment provides a kind of double-purpose valve, and the double-purpose valve includes that valve body, valve ball and sealing are lived
Plug, the valve body include the first cylinder, the second cylinder and the ball seat being integrated, first cylinder, described second
Body and the ball seat are coaxially arranged, the ball seat be located between first cylinder and second cylinder, the ball seat interior
Wall is the conical surface, and the internal diameter on the top of the ball seat is more than the internal diameter of the bottom of the ball seat, and the internal diameter on the top of the ball seat
Equal with the internal diameter of first cylinder, the internal diameter of the bottom of the ball seat is equal with the internal diameter of second cylinder, described close
Envelope piston coaxial is arranged in second cylinder, and the periphery wall of the sealing piston is sealed with the internal perisporium of second cylinder
Offset, and the top of the sealing piston is stretched out second cylinder and is located in the ball seat, the sealing piston and described
At least one shear pin is provided between second cylinder, and the two ends of at least one shear pin are inserted into the sealing piston and institute respectively
State on the second cylinder, the valve ball is arranged in first cylinder, the diameter of the valve ball is interior less than first cylinder
Footpath, the valve ball are offseted with one end for stretching out second cylinder of the sealing piston.
In a kind of implementation of the present utility model, the periphery wall of the sealing piston is provided with seal boss, described
On the internal perisporium of the second cylinder, the position of the corresponding seal boss is provided with sealed groove, and the seal boss is recessed with the sealing
Groove matches, and the sealed groove is axially extending by the bottom of second cylinder.
In another kind of implementation of the present utility model, at least one sealing ring on the seal boss, is circumferentially with,
At least one sealing ring is installed between the sealing piston and second cylinder.
In another implementation of the present utility model, the sealing ring is located between the shear pin and the ball seat.
In another implementation of the present utility model, the double-purpose valve also includes baffle plate, and the baffle plate is arranged on
In first cylinder, and the baffle plate is located at the top of the valve ball, and the baffle plate is provided with sets of vias.
In another implementation of the present utility model, the internal perisporium of first cylinder is provided with annular mounting groove,
The baffle plate is installed on the mounting groove, is clamped with jump ring, the jump ring between the side wall of the baffle plate and the mounting groove
It is located at the side of the dorsad described valve ball of the baffle plate.
In another implementation of the present utility model, the sets of vias includes main aperture and multiple auxiliary holes, the main aperture
Be disposed coaxially on the middle part of the baffle plate, the plurality of auxiliary hole centered on the center of circle of the main aperture circumferentially-spaced be arranged in described
On baffle plate.
In another implementation of the present utility model, the internal diameter of the main aperture is 10mm to 28mm, the auxiliary hole
Internal diameter is 6mm-12mm.
In another implementation of the present utility model, the angle between the bus of the conical surface and the conical surface is
15 ° to 45 °.
In another implementation of the present utility model, a diameter of 3mm to 5mm of the shear pin.
The beneficial effect brought of technical scheme that this utility model embodiment is provided is：
When double-purpose valve provided by the utility model is transferred, the internal perisporium of the periphery wall of sealing piston and the second cylinder
Sealing offsets, so that the valve body of double-purpose valve is sealed, it is to avoid mine water is sprayed from the valve body of double-purpose valve,
After the completion of decentralization operation, pressurizeed into double-purpose valve by cementing truck, so that shear pin ruptures under the effect of the pressure, and then
So that sealing piston comes off from the second cylinder, the valve ball in sealing piston is placed on therewith from the first cylinder to ball seat landing,
Due to the diameter of valve ball equal with the internal diameter on the top of the internal diameter and ball seat of the first cylinder, so valve ball will be shelved on the first cylinder
The recess formed between junction and ball seat between, i.e. the first cylinder and the conical surface of ball seat, even so as to by double acting
Valve is transferred to inclined shaft, and valve ball can also be limited in recess, without skidding off ball seat because of the inclination of double-purpose valve, it is ensured that
The one-way sealing of double-purpose valve, and then the double-purpose valve that this utility model embodiment is provided is applied to tiltedly
Well.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the profile of the double-purpose valve that this utility model embodiment is provided；
Fig. 2 is the structural representation of the baffle plate that this utility model embodiment is provided；
In figure, each symbol represents that implication is as follows：
1- valve bodies, the first cylinders of 11-, 111- mounting grooves, the second cylinders of 12-, 121- are open, 13- ball seats, 2- valve balls, 3-
Sealing piston, 31- seal bosses, 32- sealing rings, a- are recessed, 4- baffle plates, 41- main apertures, the auxiliary holes of 42-, 5- jump rings, 6- shear pins.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
Embodiment
This utility model embodiment provides a kind of double-purpose valve, as shown in figure 1, the double-purpose valve includes valve body 1, valve ball
2 and sealing piston 3, valve body 1 includes the first cylinder 11, the second cylinder 12 and the ball seat 13 being integrated, the first cylinder 11,
Second cylinder 12 and ball seat 13 are coaxially arranged, and ball seat 13 is located between the first cylinder 11 and the second cylinder 12, the inwall of ball seat 13
For the conical surface, the internal diameter of the internal diameter on the top of ball seat 13 more than the bottom of ball seat 13, and the internal diameter on the top of ball seat 13 and first
The internal diameter of body 11 is equal, and the internal diameter of the bottom of ball seat 13 is equal with the internal diameter of the second cylinder 12, and sealing piston 3 is co-axially located at
In two cylinders 12, the periphery wall of sealing piston 3 is offseted with the internal perisporium sealing of the second cylinder 12, and the top of sealing piston 3 is stretched
Go out the second cylinder 12 and be located in ball seat 13, between sealing piston 3 and the second cylinder 12, be provided with two shear pins 6, two shear pins 6
Two ends are inserted in sealing piston 3 and the second cylinder 12 respectively, and valve ball 2 is arranged in the first cylinder 11, and the diameter of valve ball 2 is less than
The internal diameter of the first cylinder 11, valve ball 2 are offseted with one end for stretching out the second cylinder 12 of sealing piston 3.
In real work, the total length of the double-purpose valve is 316mm, and 150 DEG C of high temperature resistant is carried in decentralization this utility model
For double-purpose valve when, the internal perisporium sealing of the periphery wall of sealing piston 3 and the second cylinder 12 offsets, so that double-purpose valve
Valve body 1 sealed, it is to avoid mine water is sprayed from the valve body 1 of double-purpose valve, after the completion of decentralization operation, by cement
Car pressurizes into double-purpose valve, so that shear pin 6 ruptures under the effect of the pressure, and then causes sealing piston 3 from second
Comes off in body 12, the valve ball 2 in sealing piston 3 is placed on therewith from the first cylinder 11 to 13 landing of ball seat, straight due to valve ball 2
Footpath is equal with the internal diameter on the top of the internal diameter and ball seat 13 of the first cylinder 11, so valve ball 2 will be shelved on the first cylinder 11 and ball
Junction between seat 13, i.e. at depression a formed between the first cylinder 11 and the conical surface of ball seat 13, even so as to by double cropping
Transferred to inclined shaft with valve, valve ball 2 also will not skid off ball seat 13 because of the inclination of double-purpose valve, it is ensured that the list of double-purpose valve
To sealing, and then the double-purpose valve that this utility model embodiment is provided is applied to inclined shaft.
In the present embodiment, the top internal perisporium of the first cylinder 11 is provided with for the tubing string (not shown) screw thread with water injection well
The female thread of connection, the bottom periphery wall of the second cylinder 12 be provided with for the screen casing (not shown) with water injection well be threadedly coupled outer
Screw thread, so that tubing string and screen casing can be linked together by double-purpose valve.
Specifically, the angle α between the conical surface and the bus of the conical surface is 15 ° to 45 °, so as to ensure that the first cylinder 11 and cone
Depression a formed between face can shelve valve ball 2.Preferably, angle α can be 20 °, it should be noted that the tool of angle α
Body angle can be changed according to the actual requirements, and this utility model is without limitation.
Specifically, a diameter of 3mm to 5mm of shear pin 6, so that shear pin 6 can either ensure sealing piston 3 not in gravity
In the presence of come off from the second cylinder 12, ensure that normal rupture lower from pressure effect in cementing truck again.Preferably, cut
The diameter of nail 6 can be 5mm.
In the present embodiment, the periphery wall of sealing piston 3 is provided with seal boss 31, right on the internal perisporium of the second cylinder 12
The position of seal boss 31 is answered to be provided with sealed groove, seal boss 31 is matched with sealed groove, by the bottom of the second cylinder 12
Axially extending, the opening 121 of sealed groove is arranged towards the bottom of the second cylinder 12.When sealing piston 3 is assembled, can will be close
Envelope piston 3 is inserted from the opening 121 of the sealed groove of the second cylinder 12, until seal boss 31 and sealed groove sealing assembling
Together, then again shear pin 6 is inserted between sealing piston 3 and the second cylinder 12, so as to complete the assembling of sealing piston 3.
When double-purpose valve is transferred, sealing piston 3 has the trend moved upwards in the presence of hydraulic pressure, but is filled due to seal boss 31
Fit in sealed groove, so limiting the motion upwards of sealing piston 3, further ensure that the sealing of sealing piston 3.
Preferably, the angle α between the lateral wall of the conical surface of seal boss 31 and sealing piston 3 can be 45 °, so that
Obtain the cooperation that can be consolidated between seal boss 31 and sealed groove.
Specifically, two sealing rings 32 are circumferentially with seal boss 31, and two sealing rings 32 are installed in 3 He of sealing piston
Between second cylinder 12.Preferably, length direction arranged for interval of two sealing rings 32 along sealing piston 3, so as to further
Improve the sealing of sealing piston 3.It should be noted that, although illustrate only two sealing rings 32 in Fig. 1, but easily manage
Solution, the quantity of sealing ring 32 can be selected according to the actual requirements, and this utility model is without limitation.
Preferably, sealing ring 32 is located between shear pin 6 and ball seat 13, is just affecting shear pin 6 so as to avoid sealing ring 32
Normal off splits, and improves the reliability of double-purpose valve.
Structural representations of the Fig. 2 for baffle plate, in conjunction with Fig. 1 and 2, in the present embodiment, double-purpose valve also includes baffle plate 4, gear
Plate 4 is coaxially mounted in the first cylinder 11, and baffle plate 4 is located at the top of valve ball 2, and baffle plate 4 is provided with sets of vias.In above-mentioned realization
In mode, baffle plate 4 is used for avoiding when backwash well operations are carried out, and valve ball 2 is skidded off from the first cylinder 11, improves double-purpose valve
Reliability.
Specifically, the internal perisporium of the first cylinder 11 is provided with annular mounting groove 111, and baffle plate 4 is installed on mounting groove 111,
Jump ring 5 is clamped between the side wall of baffle plate 4 and mounting groove 111, and jump ring 5 is located at the side of the dorsad valve ball 2 of baffle plate 4.In assembling
During baffle plate 4, first baffle plate 4 is placed on mounting groove 111, then jump ring 5 is compressed by Circlip tongs, then by the card for being compressed
Spring 5 is put in mounting groove 111, and jump ring 5 is offseted with the side of the dorsad valve ball 2 of baffle plate 4, finally unclamps Circlip tongs, card
Spring 5 is installed in mounting groove 111 in the presence of its own resilient, so that jump ring 5 can be played being fixedly mounted on baffle plate 4
Effect in mounting groove 111.
Preferably, in the present embodiment, the external diameter of jump ring 5 can be 71mm, it should be noted that the specification of jump ring 5 can
To be changed according to actual demand, this utility model is without limitation.
Referring to Fig. 2, specifically, sets of vias includes that main aperture 41 and multiple auxiliary holes 42, main aperture 41 are disposed coaxially in baffle plate 4
Portion, multiple auxiliary holes 42 are circumferentially-spaced centered on the center of circle of main aperture 41 to be arranged on baffle plate 4, so that in backwash well operations
When, current can be flowed out from main aperture 41 and auxiliary hole 42 respectively, it is ensured that the normal enforcement of backwash well operations.
Preferably, baffle plate 4 is provided with 8 auxiliary holes 42,42 circumferentially equidistant arranged for interval of each auxiliary hole on baffle plate 4, each auxiliary hole
The line in 42 center of circle forms the circle of a diameter of 44mm.
Specifically, the internal diameter of main aperture 41 is 10mm to 28mm, and the internal diameter in auxiliary hole 42 is 6mm-12mm, it is preferable that main aperture 41
Internal diameter can be 20mm, the internal diameter in auxiliary hole 42 can be 12mm.
Preferred embodiment of the present utility model is the foregoing is only, not in order to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements that is made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of double-purpose valve, the double-purpose valve include valve body, valve ball and sealing piston, it is characterised in that the valve body bag
The first cylinder, the second cylinder and the ball seat being integrated is included, first cylinder, second cylinder and the ball seat are same
Axle arranges that the ball seat is located between first cylinder and second cylinder, and the inwall of the ball seat is the conical surface, the ball
Internal diameter of the internal diameter on the top of seat more than the bottom of the ball seat, and the internal diameter on the top of the ball seat and first cylinder
Internal diameter is equal, and the internal diameter of the bottom of the ball seat is equal with the internal diameter of second cylinder, and the sealing piston is co-axially located at
In second cylinder, the periphery wall of the sealing piston is offseted with the internal perisporium sealing of second cylinder, and the sealing
The top of piston is stretched out second cylinder and is located in the ball seat, is provided between the sealing piston and second cylinder
At least one shear pin, the two ends of at least one shear pin are inserted in the sealing piston and second cylinder respectively, institute
State valve ball to be arranged in first cylinder, the diameter of the valve ball is less than the internal diameter of first cylinder, the valve ball and institute
The one end for stretching out second cylinder for stating sealing piston offsets.
2. double-purpose valve according to claim 1, it is characterised in that it is convex that the periphery wall of the sealing piston is provided with sealing
Platform, on the internal perisporium of second cylinder, the position of the corresponding seal boss is provided with sealed groove, the seal boss and institute
State sealed groove to match, the sealed groove is axially extending by the bottom of second cylinder.
3. double-purpose valve according to claim 2, it is characterised in that be circumferentially with least one on the seal boss close
Seal, at least one sealing ring are installed between the sealing piston and second cylinder.
4. double-purpose valve according to claim 3, it is characterised in that the sealing ring is located at the shear pin and the ball seat
Between.
5. double-purpose valve according to claim 1, it is characterised in that the double-purpose valve also includes baffle plate, the baffle plate
In first cylinder, and the baffle plate is located at the top of the valve ball, and the baffle plate is provided with sets of vias.
6. double-purpose valve according to claim 5, it is characterised in that the internal perisporium of first cylinder is provided with annular peace
Tankage, the baffle plate are installed on the mounting groove, are clamped with jump ring between the side wall of the baffle plate and the mounting groove, described
Jump ring is located at the side of the dorsad described valve ball of the baffle plate.
7. double-purpose valve according to claim 5, it is characterised in that the sets of vias includes main aperture and multiple auxiliary holes, institute
State the middle part that main aperture is disposed coaxially on the baffle plate, the plurality of auxiliary hole circumferentially-spaced arrangement centered on the center of circle of the main aperture
On the baffle plate.
8. double-purpose valve according to claim 7, it is characterised in that the internal diameter of the main aperture is 10mm to 28mm, described
The internal diameter in auxiliary hole is 6mm-12mm.
9. the double-purpose valve according to any one of claim 1-8, it is characterised in that the bus of the conical surface and the conical surface
Between angle be 15 ° to 45 °.
10. the double-purpose valve according to any one of claim 1-8, it is characterised in that a diameter of 3mm of the shear pin is extremely
5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935154.4U CN206016769U (en) | 2016-08-24 | 2016-08-24 | A kind of double-purpose valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935154.4U CN206016769U (en) | 2016-08-24 | 2016-08-24 | A kind of double-purpose valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206016769U true CN206016769U (en) | 2017-03-15 |
Family
ID=58252477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620935154.4U Active CN206016769U (en) | 2016-08-24 | 2016-08-24 | A kind of double-purpose valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206016769U (en) |
-
2016
- 2016-08-24 CN CN201620935154.4U patent/CN206016769U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |