CN209523733U - A kind of storm valve - Google Patents
A kind of storm valve Download PDFInfo
- Publication number
- CN209523733U CN209523733U CN201920238257.9U CN201920238257U CN209523733U CN 209523733 U CN209523733 U CN 209523733U CN 201920238257 U CN201920238257 U CN 201920238257U CN 209523733 U CN209523733 U CN 209523733U
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- CN
- China
- Prior art keywords
- valve plate
- main valve
- central tube
- triangle
- fixing sleeve
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of storm valve, top connection is connected with transition joint, and the other end of the transition joint is connected with lower contact;Main valve plate fixing sleeve housing is on central tube and is embedded in the top of transition joint;The outside of central tube is simultaneously embedded with the internal sleeve of transition joint equipped with ring on spring;Spring pocket is mounted in the outside of central tube;The lower part of central tube and the position for being embedded in lower contact are set with lower snap ring, the interior bottom nesting of lower contact is equipped with triangle valve plate fixing sleeve, the bottom of piston is matched with triangle valve plate fixing sleeve, and main valve plate is mounted on main valve plate fixing sleeve, and triangle valve plate is connected with piston.The safety valve structure is simple, and sealing effect is good, when oil pumping, pumping efficiency can be improved in triangle valve plate, and main valve plate will not be contacted with oil liquid, increases the service life of safety valve, when stopping oil pumping, backflow can then be effectively realized by triangle valve plate and main valve plate, prevent blowout.
Description
Technical field
The utility model relates to a kind of storm valves, belong to oil-gas mining technical field.
Background technique
Currently, when encountering emergency case, generally requiring installation underground peace in the oil and natural gas exploitation of oil/gas well
Full valve closes fluid channel in time, prevents blowout or overflow.Single valve structure in existing storm valve, not can guarantee
It is automatically closed when safe defective valve;If double valve plates structure then needs to select ball valve, but it can using double valve plates structure
It is poor by property, when safe defective valve carries out well workover, it is difficult to be opened the safety-valve by pump pressure;Even if the double valve plates structure of selection,
Often because shortening the service life of safety valve when valve plate is opened to the impact of tube wall.
Utility model content
The purpose of this utility model is to provide one kind to have backflow, prevents blowout, while structure is simple, sealing effect
Well, guarantee the storm valve and application method of tar productivity.
In order to realize above-mentioned technical characteristic, purpose of the utility model is realized as follows: a kind of storm valve, packet
Top connection, transition joint, spring, central tube, triangle valve plate, lower contact, piston and main valve plate are included, the top connection is indirect in
Head is connected, and the other end of the transition joint is connected with lower contact;In the safety that top connection, transition joint and lower contact are constituted
Installation center pipe inside valve chamber;Main valve plate fixing sleeve housing is on central tube and is embedded in the top of transition joint;In described
The outside of heart pipe is simultaneously embedded with the internal sleeve of transition joint equipped with ring on spring;The spring pocket is mounted in the outside of central tube,
Top contacts limit with ring on spring;The lower part of the central tube and the position for being embedded in lower contact are set with lower snap ring, described
The interior bottom nesting of lower contact is equipped with triangle valve plate fixing sleeve, and the bottom of the piston is matched with triangle valve plate fixing sleeve,
The main valve plate is mounted on main valve plate fixing sleeve, and the triangle valve plate is connected with piston.
It is respectively adopted between the top connection and transition joint and all and is threadedly coupled between transition joint and lower contact;Institute
It states triangle valve plate fixing sleeve and the lower contact inner chamber body constitutes sliding connection.
The central tube includes connected the first central tube and the second central tube of docking, and setting is useful at the top of the central tube
It is described in the central tube boss for being provided with the ring position in limited spring on the groove of mounting O-shaped rings, first central tube
Second central tube lower part is provided with guide groove, and second central tube lower part is provided with flowing hole.
It is connected through a screw thread between the main valve plate fixing sleeve and transition joint, is provided with peace on the main valve plate fixing sleeve
The shoulder of main valve plate is filled, is machined with rectangular channel on the shoulder, the main valve plate is mounted on inside rectangular channel by main valve plate pin;
The inside of the main valve plate fixing sleeve is machined with main valve plate fixing sleeve O-ring groove, in the main valve plate fixing sleeve O-ring groove
Portion is equipped with main valve plate fixing sleeve O-ring.
The outer diameter of the main valve plate is less than the outer of main valve plate fixing sleeve in the internal diameter for being greater than the main valve plate fixing sleeve simultaneously
Diameter, and when main valve plate is opened, will not can not fully open because outer diameter is excessive;The internal diameter of the main valve plate is then less than institute
The internal diameter of main valve plate fixing sleeve is stated, main valve plate torsional spring is provided on the main valve plate.
The lower snap ring is connected through a screw thread the top for being mounted on lower contact, and the upper inside wall processing of the lower snap ring is useful
In the mounting groove for installing lower snap ring O-ring;The bottom end of the spring and the upper surface of lower snap ring are engaged.
Be connected through a screw thread between the piston and the inner cavity of triangle valve plate fixing sleeve, be machined on the piston for and
The guide ledges that the guide groove of central tube matches, the inside cavity of the piston be provided with multiple groups it is uniformly distributed for installing pin
Piston land, the through-hole of installation pin is machined in the piston land.
Annular space chamber is constituted between the inner wall of the piston and the lower part outer wall of central tube, the annular space chamber is located at lower snap ring
Lower section, the bottom of the central tube are provided with central tube bottom groove, the piston platform on the central tube bottom groove and piston
Shoulder matches, and make triangle valve plate close when, can effectively block triangle valve plate prevents blowout;The outside of the upper piston area
Piston O-ring for matching with lower contact is installed.
The triangle valve plate is connected by triangle valve plate pin with the piston, and the triangle valve plate is sector structure, described
It is provided with triangle valve plate torsional spring on triangle valve plate, and the triangle valve plate when stopping exploitation being automatically closed.
The utility model has the advantages that:
1, the safety valve of the utility model, structure is simple, and sealing effect is good;When oil pumping, pumping is can be improved in triangle valve plate
Oily efficiency, main valve plate will not be contacted with oil liquid, increase the service life of safety valve, when stopping oil pumping, pass through triangle valve plate
Backflow can be then effectively realized with main valve plate, prevents blowout.
2, main valve plate outer diameter is less than the outer diameter of main valve plate fixing sleeve in the internal diameter for being greater than main valve plate fixing sleeve simultaneously, ensure that
It will not lead to not fully open because outer diameter is excessive when main valve plate is opened
3, piston inner wall and the center pipe outer wall and the lower snap ring bottom constitute an annular space chamber, the central tube
Bottom is provided with the central tube bottom groove matched with the piston land, when triangle valve plate is closed, the center bottom of the tube
Groove can effectively block triangle valve plate, prevent blowout.
4, the triangle valve plate is connected by pin with the piston, and the triangle valve plate is sector design, is being reached in this way
It can also guarantee that the triangle valve plate can fully open while to seal request, improve working efficiency, the triangle valve plate
On be provided with torsional spring, ensure that stopping exploitation when triangle valve plate can be automatically closed.
5, when working properly, triangle valve plate and main valve plate are in the open state, while main valve plate and fluid pass through center
Pipe separates, and can slow down erosion of the fluid to main valve plate, extends the service life of main valve plate, piston and triangle valve plate fixing sleeve
It is metal threaded to connect the leakproofness that safety valve has then been effectively ensured.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is storm valve cross-sectional view.
Fig. 2 is A-A cross-sectional view in Fig. 1.
Fig. 3 is B-B cross-sectional view in Fig. 1.
Fig. 4 is main valve plate fixing sleeve structural schematic diagram.
Fig. 5 is piston cross-sectional view.
Fig. 6 is center bottom of the tube enlarged drawing.
Fig. 7 is center bottom of the tube enlarged drawing cross-sectional view.
In figure: top connection 1, main valve plate fixing sleeve O-ring 2, central tube boss 3, ring 4, transition joint 5, spring on spring
6, lower snap ring O-ring 7, central tube 8, triangle valve plate 9, triangle valve plate fixing sleeve 10, lower contact 11, piston 12, triangle valve plate pin
13, triangle valve plate torsional spring 14, piston O-ring 15, lower snap ring 16, main valve plate fixing sleeve 17, main valve plate pin 18, main valve plate 19, master
Valve plate torsional spring 20, guide ledges 21, flowing hole 22, guide groove 23, annular space chamber 24, the first central tube 25, the second central tube 26, in
Heart bottom of the tube groove 27, rectangular channel 28, piston land 29, main valve plate fixing sleeve O-ring groove 30.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
Embodiment 1:
Please refer to Fig. 1-7, a kind of storm valve, including top connection 1, transition joint 5, spring 6, central tube 8, triangle vavle
Plate 9, lower contact 11, piston 12 and main valve plate 19, the top connection 1 are connected with transition joint 5, the transition joint 5 it is another
End is connected with lower contact 11;In the safety valve inside cavity installation center that top connection 1, transition joint 5 and lower contact 11 are constituted
Pipe 8;17 housing of main valve plate fixing sleeve is on central tube 8 and is embedded in the top of transition joint 5;The outside of the central tube 8 is simultaneously
The embedded internal sleeve with transition joint 5 is equipped with ring 4 on spring;The spring 6 is sleeved on the outside of central tube 8, top and bullet
The contact of ring 4 limit on spring;The lower part of the central tube 8 and the position for being embedded in lower contact 11 are set with lower snap ring 16, under described
The interior bottom nesting of connector 11 is equipped with triangle valve plate fixing sleeve 10, bottom and 10 phase of triangle valve plate fixing sleeve of the piston 12
Cooperation, the main valve plate 19 are mounted on main valve plate fixing sleeve 17, and the triangle valve plate 9 is connected with piston 12.Using above-mentioned knot
The safety valve of structure, structure is simple, and sealing effect is good, and when oil pumping, triangle valve plate can be improved pumping efficiency, and main valve plate will not be with
Oil liquid contact, increases the service life of safety valve, then can be effectively real by triangle valve plate and main valve plate when stopping oil pumping
Existing backflow, prevents blowout.
Further, all distinguish between the top connection 1 and transition joint 5 and between transition joint 5 and lower contact 11
Using threaded connection;The triangle valve plate fixing sleeve 10 and 11 inner chamber body of the lower contact constitute sliding connection.By adopting
The mode being threadedly coupled facilitates adjacent two connectors directly quick assembly and disassembly, and then improves assembly efficiency,
By using the mode being slidably matched, ensure that can easily slide between the two.
Further, the central tube 8 includes connected the first central tube 25 and the second central tube 26 of docking, the center
It is provided with the groove for mounting O-shaped rings at the top of pipe 8,4, ring in limited spring are provided on first central tube 25
The central tube boss 3 set, 26 lower part of the second central tube are provided with guide groove 23.By using the above-mentioned center assembled
Pipe 8 facilitates its assembling process, and convenient for its processing.
Further, it is connected through a screw thread between the main valve plate fixing sleeve 17 and transition joint 5, the main valve plate is fixed
It is provided with the shoulder of installation main valve plate on set 17, is machined with rectangular channel 28 on the shoulder, the main valve plate 19 passes through main valve plate
Pin 18 is mounted on inside rectangular channel 28;The inside of the main valve plate fixing sleeve 17 is machined with main valve plate fixing sleeve O-ring groove 30,
Main valve plate fixing sleeve O-ring 2 is installed inside the main valve plate fixing sleeve O-ring groove 30.It is fixed by the main valve plate
Set O-ring 2 plays the role of sealing, ensure that sealing effect.
Further, the outer diameter of the main valve plate 19 is less than main valve in the internal diameter for being greater than the main valve plate fixing sleeve 17 simultaneously
The outer diameter of plate fixing sleeve 17, and main valve plate 19 will not can not be fully opened when opening because outer diameter is excessive;The main valve
The internal diameter of plate 19 is then less than the internal diameter of the main valve plate fixing sleeve 17, is provided with main valve plate torsional spring 20 on the main valve plate 19.
Further, the lower snap ring 16 is connected through a screw thread the top for being mounted on lower contact 11, the lower snap ring 16
Upper inside wall is machined with the mounting groove for installing lower snap ring O-ring 7;The upper surface of the bottom end of the spring 6 and lower snap ring 16
It is engaged.
Further, it is connected through a screw thread between the piston 12 and the inner cavity of triangle valve plate fixing sleeve 10, the piston
The guide ledges 21 matched for the guide groove 23 with central tube 8, the inside cavity setting of the piston 12 are machined on 12
There is the piston land 29 for being used to install pin that multiple groups are uniformly distributed, the through-hole of installation pin is machined in the piston land 29.It is logical
Above-mentioned flowing hole 22 is crossed, ensure that when stopping working, central tube passes through 4 compressed spring of ring on spring under oil liquid effect
6, and moved downward along the guide groove of piston, oil liquid enters annular space chamber by flowing hole.
Further, annular space chamber 24, the annular space are constituted between the inner wall of the piston 12 and the lower part outer wall of central tube 8
Chamber 24 is located at the lower section of lower snap ring 16, and the bottom of the central tube 8 is provided with central tube bottom groove 27, the center bottom of the tube
Groove 27 is matched with the piston land 29 on piston 12, and make triangle valve plate 9 close when, can effectively block triangle valve plate
9 prevent blowout;The upper external of the piston 12 is equipped with the piston O-ring 15 for matching with lower contact 11.
Further, the triangle valve plate 9 is connected by triangle valve plate pin 13 and the piston 12, the triangle valve plate 9
It for sector structure, can also guarantee that triangle valve plate can fully open while reaching seal request in this way, improve work effect
Rate is provided with triangle valve plate torsional spring 14 on the triangle valve plate 9, and the triangle valve plate 9 when stopping exploitation being automatically closed.
Embodiment 2:
The application method of storm valve described in any one:
When normal work, triangle valve plate 9 and main valve plate 19 are in the open state, while main valve plate 19 and fluid pass through center
Pipe 8 separates, and slows down erosion of the fluid to main valve plate 19;
When stopping working, central tube 8 is under oil liquid effect, by 4 compressed spring 6 of ring on spring, and along piston 12
Guide groove 23 moves downward, and oil liquid enters annular space chamber 24 by flowing hole 22, is further ensured that central tube 8 moves downward, meanwhile,
With moving downward for central tube 8, main valve plate 19 slowly moves down under the effect of main valve plate torsional spring 20, and last and main valve plate is solid
Surely the fitting of 17 tops is covered, safety valve top oil liquid is separated;As upper layer oil liquid is closed, triangle valve plate 9 starts in triangle valve plate
The active force of oil liquid is overcome to move downward under the action of torsional spring 14, central tube 8 is under annular space chamber oil liquid and self gravitation effect
Continue to move downward, after 9 close passage of triangle valve plate, central tube 8 moves to bottommost, and central tube bottom groove 27 blocks three
Angle valve plate 9 is kept closed triangle valve plate 9, prevents blowout;
When restarting work, as 19 top oil liquid of main valve plate is extracted, central tube 8 jacks up under the effect of spring 6
Main valve plate 19 moves upwards, meanwhile, the limitation of triangle valve plate 9 is released from, and is slowly opened under the internal and external pressure difference of oil liquid effect, oil
Liquid enters central tube 8, and central tube 8 continues up under the action of oil liquid and spring, and triangle valve plate 9 fully opens, simultaneously
Main valve plate 19 is fully opened also with moving upwards for central tube, and fluid channel restores normal unimpeded state.
Above-described embodiment is used to illustrate the utility model, rather than limits the utility model, practical at this
In novel spirit and scope of protection of the claims, to any modifications and changes that the utility model is made, this reality is both fallen within
With novel protection scope.
Claims (9)
1. a kind of storm valve, including top connection (1), transition joint (5), spring (6), central tube (8), triangle valve plate (9),
Lower contact (11), piston (12) and main valve plate (19), it is characterised in that: the top connection (1) is connected with transition joint (5), institute
The other end for stating transition joint (5) is connected with lower contact (11);In top connection (1), transition joint (5) and lower contact (11) institute structure
At safety valve inside cavity installation center pipe (8);Main valve plate fixing sleeve (17) housing is on central tube (8) and is embedded in centre
The top of connector (5);The outside of the central tube (8) is simultaneously embedded with the internal sleeve of transition joint (5) equipped with ring (4) on spring;
The spring (6) is sleeved on the outside of central tube (8), and top contacts limit with ring on spring (4);The central tube (8)
Lower part and the position for being embedded in lower contact (11) are set with lower snap ring (16), and the interior bottom nesting of the lower contact (11) is equipped with
The bottom of triangle valve plate fixing sleeve (10), the piston (12) is matched with triangle valve plate fixing sleeve (10), the main valve plate
(19) it is mounted on main valve plate fixing sleeve (17), the triangle valve plate (9) is connected with piston (12).
2. a kind of storm valve according to claim 1, it is characterised in that: the top connection (1) and transition joint (5)
Between and transition joint (5) and lower contact (11) between be all respectively adopted and be threadedly coupled;The triangle valve plate fixing sleeve (10)
It constitutes and is slidably connected with the lower contact (11) inner chamber body.
3. a kind of storm valve according to claim 1, it is characterised in that: the central tube (8) includes that docking is connected
The first central tube (25) and the second central tube (26), the groove for mounting O-shaped rings is provided at the top of the central tube (8),
The central tube boss (3) of ring (4) position in limited spring, second center are provided on first central tube (25)
Pipe (26) lower part is provided with guide groove (23), and the second central tube (26) lower part is provided with flowing hole (22).
4. a kind of storm valve according to claim 1, it is characterised in that: the main valve plate fixing sleeve (17) and centre
Connector is connected through a screw thread between (5), and the shoulder of installation main valve plate, the shoulder are provided on the main valve plate fixing sleeve (17)
On be machined with rectangular channel (28), it is internal that the main valve plate (19) by main valve plate pin (18) is mounted on rectangular channel (28);The master
The inside of valve plate fixing sleeve (17) is machined with main valve plate fixing sleeve O-ring groove (30), the main valve plate fixing sleeve O-ring groove
(30) internal that main valve plate fixing sleeve O-ring (2) is installed.
5. a kind of storm valve according to claim 1 or 4, it is characterised in that: the outer diameter of the main valve plate (19) exists
Internal diameter greater than the main valve plate fixing sleeve (17) is less than the outer diameter of main valve plate fixing sleeve (17) simultaneously, and makes main valve plate (19)
It will not can not be fully opened because outer diameter is excessive when opening;The internal diameter of the main valve plate (19), which is then less than the main valve plate, to be fixed
The internal diameter of (17) is covered, is provided with main valve plate torsional spring (20) on the main valve plate (19).
6. a kind of storm valve according to claim 1, it is characterised in that: the lower snap ring (16) is connected through a screw thread
It is mounted on the top of lower contact (11), the upper inside wall of the lower snap ring (16) is machined with for installing lower snap ring O-ring (7)
Mounting groove;The bottom end of the spring (6) and the upper surface of lower snap ring (16) are engaged.
7. a kind of storm valve according to claim 1, it is characterised in that: the piston (12) and triangle valve plate are fixed
It covers and is connected through a screw thread between the inner cavity of (10), is machined on the piston (12) for the guide groove (23) with central tube (8)
The guide ledges (21) matched, the inside cavity of the piston (12) are provided with the uniformly distributed piston for being used to install pin of multiple groups
Shoulder (29) is machined with the through-hole of installation pin on the piston land (29).
8. a kind of storm valve according to claim 1 or claim 7, it is characterised in that: the inner wall of the piston (12) is in
Constitute annular space chamber (24) between the lower part outer wall of heart pipe (8), the annular space chamber (24) is located at the lower section of lower snap ring (16), it is described in
The bottom of heart pipe (8) is provided with central tube bottom groove (27), the work on the central tube bottom groove (27) and piston (12)
When filling in shoulder (29) to match, and triangle valve plate (9) being closed, can effectively block triangle valve plate (9) prevents blowout;It is described
The outside on piston (12) top is equipped with the piston O-ring (15) for matching with lower contact (11).
9. a kind of storm valve according to claim 8, it is characterised in that: the triangle valve plate (9) passes through triangle vavle
Plate pin (13) and the piston (12) connection, the triangle valve plate (9) are sector structure, are provided on the triangle valve plate (9)
Triangle valve plate torsional spring (14), and the triangle valve plate (9) when stopping exploitation being automatically closed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920238257.9U CN209523733U (en) | 2019-02-26 | 2019-02-26 | A kind of storm valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920238257.9U CN209523733U (en) | 2019-02-26 | 2019-02-26 | A kind of storm valve |
Publications (1)
Publication Number | Publication Date |
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CN209523733U true CN209523733U (en) | 2019-10-22 |
Family
ID=68231644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920238257.9U Expired - Fee Related CN209523733U (en) | 2019-02-26 | 2019-02-26 | A kind of storm valve |
Country Status (1)
Country | Link |
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CN (1) | CN209523733U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109695435A (en) * | 2019-02-26 | 2019-04-30 | 长江大学 | A kind of storm valve and application method |
-
2019
- 2019-02-26 CN CN201920238257.9U patent/CN209523733U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109695435A (en) * | 2019-02-26 | 2019-04-30 | 长江大学 | A kind of storm valve and application method |
CN109695435B (en) * | 2019-02-26 | 2023-08-22 | 长江大学 | Underground safety valve and use method thereof |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 |
|
CF01 | Termination of patent right due to non-payment of annual fee |