CN109210265A - A kind of petroleum valve with anti-theft function - Google Patents
A kind of petroleum valve with anti-theft function Download PDFInfo
- Publication number
- CN109210265A CN109210265A CN201811312603.XA CN201811312603A CN109210265A CN 109210265 A CN109210265 A CN 109210265A CN 201811312603 A CN201811312603 A CN 201811312603A CN 109210265 A CN109210265 A CN 109210265A
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- China
- Prior art keywords
- valve
- petroleum
- mounting flange
- handwheel
- rod
- 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.)
- Granted
Links
- 239000003208 petroleum Substances 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
- F16K31/602—Pivoting levers, e.g. single-sided
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of petroleum valve with anti-theft function, including valve body, the side of the valve body is equipped with the first valve pipe, the side of first valve pipe is equipped with the first valve flanges disk, the side of the first valve flanges disk is equipped with the first mounting flange, the second fixing bolt is provided between first mounting flange and the first valve flanges disk, the side of first mounting flange is equipped with the first connecting tube, the other side of the valve body is equipped with the second valve pipe, the side of second valve pipe is equipped with the second valve flanges disk, the side of the second valve flanges disk is equipped with the second mounting flange, the side of second mounting flange is equipped with the second connecting tube, the upper end of the valve body is equipped with terminal pad.The present invention solves sealing surface and easily causes erosion and scratch, maintenance difficult, and the problem of prevent the malfeasance of criminal without anti-theft measure.
Description
Technical field
The present invention relates to valve part field, specially a kind of petroleum valve with anti-theft function.
Background technique
Oil field valve refers to the valve that flashboard is moved along the vertical direction of access center line, realizes valve by valve plate
It opens and closes, and the direction of motion of flashboard and flow direction are perpendicular.Oil field valve is as the control during petroleum transportation
Device needs it to have anti-theft performance, because in the production of oil field, often having criminal in well head scene stolen, stealing gas and theft oil
Well produced on-site goods and materials cause economic loss to oil field, destroy and interfere the normal production order in oil field, cause environmental pollution,
Cause major accident or bury accident potential, need reliable, economic, applicable valve for guarding against theft, avoid serious accident, reduces warp
Ji loss, reduces management cost, guarantees safety in production.Because it is by the opening and closing of valve plate realization valve, so valve needs
There is good sealing performance, only internal favorable sealing property, valve plate could block the flowing of petroleum well, reach pass
The effect closed.
Due to its more complex structure, erosion and scratch are easily caused between sealing surface, maintenance is relatively difficult, needs to valve
Structure is improved, and then is improved to situations such as erosion and scratch, and is avoided criminal from opening valve and carried out behavior oily steathily,
Economic loss is avoided, the normal production order in oil field is destroyed and interfere；Therefore market in urgent need is developed a kind of with antitheft function
It is existing that the petroleum of energy helps people to solve the problems, such as with valve.
Summary of the invention
The purpose of the present invention is to provide a kind of petroleum valve with anti-theft function, to solve in above-mentioned background technique
The sealing surface of proposition easily causes erosion and scratch, maintenance difficult, and prevents without anti-theft measure that criminal's is malfeasant
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of petroleum valve with anti-theft function, packet
Valve body is included, the side of the valve body is equipped with the first valve pipe, and the side of first valve pipe is equipped with the first valve
Ring flange, the side of the first valve flanges disk are equipped with the first mounting flange, first mounting flange and first
The second fixing bolt is provided between valve flanges disk, the side of first mounting flange is equipped with the first connecting tube, institute
The other side for stating valve body is equipped with the second valve pipe, and the side of second valve pipe is equipped with the second valve flanges disk,
The side of the second valve flanges disk is equipped with the second mounting flange, and the side of second mounting flange is equipped with
Two connecting tubes are provided with third fixing bolt, the upper end of the valve body between second mounting flange and the second connecting tube
Terminal pad is installed, the first fixing bolt is provided between the terminal pad and valve body, the upper end of the terminal pad is equipped with branch
Dagger, the upper end of the support column are equipped with handwheel, and the upper end of the handwheel is equipped with connecting column.
Preferably, the upper end of the valve inner is equipped with valve rod, and the lower end of the valve rod is equipped with valve plate, the valve plate
The two sides of upper end are provided with the first valve seat, and the two sides of the valve plate lower end are provided with the second valve seat, the two sides of the valve plate
It is provided with flow cavity.
Preferably, the lower end inside the support column is provided with sealing ring, and the upper end of the sealing ring is provided with gland, institute
The upper end for stating gland is provided with fixing seat, and the upper end of the fixing seat is provided with valve stem nut, and the side of the valve stem nut is set
It is equipped with clamp nut and bearing, and the upper end of bearing is arranged in clamp nut.
Preferably, fixed link is installed on the valve rod, screw rod is provided in the fixed link, the upper end of the screw rod is set
It is equipped with fixture nut, the upper end of the fixture nut is provided with lock tube.
Preferably, the middle position of the handwheel is provided with active wheel, and branch is provided between the handwheel and active wheel
Stay, the side of the handwheel upper end are provided with auxiliary and shake hands, and the support bar is connected with handwheel and active wheel respectively by welding
It connects, the active wheel is set as ring structure, and perforative threaded hole is provided on active wheel, and the auxiliary, which is shaken hands, passes through welding
It is connect with handwheel, it is described that the two sides shaken hands is assisted to be set as wave structure.
Preferably, first fixing bolt, the second fixing bolt and third fixing bolt are provided with eight, and described
By being welded to connect between one connecting tube and the first mounting flange, between the first valve flanges disk and the first valve pipe
By being welded to connect, by being welded to connect between second valve pipe and the second valve flanges disk, second connection method
By being welded to connect between blue disk and the second connecting tube, first connecting tube, the first valve pipe, the second valve pipe and the
Two connecting tubes are set as hollow structure, and the first connecting tube, the first valve pipe, the second valve pipe and the second connecting tube it is straight
Diameter is identical.
Preferably, the lower end of the valve rod is set as I-shaped structure, and the valve plate is fixedly connected with valve rod, the valve plate
Thickness is set as ten millimeters, and the valve plate is fitted and connected with the first valve seat and the second valve seat, first valve seat and the second valve seat
There are two being respectively provided with.
Preferably, the sealing ring is set as ring structure, and the overall diameter of sealing ring is identical as the interior diameter of support column,
The fixing seat is fitted and connected with gland, and the bearing extends to the inside of valve rod, the valve stem nut and fixing seat and valve rod
It is fitted and connected, partition protrusion is provided between the valve stem nut and fixing seat, the valve rod runs through support column.
Preferably, screw thread is provided on the screw rod, the diameter of the lock tube is greater than the diameter of screw rod, the fixture nut
Middle position be provided with perforative hole, the interior diameter of the fixture nut and the overall diameter of lock tube are identical, the fixation
Bar runs through valve rod, there are two the lock tube, fixture nut and screw rod are respectively provided with.
Compared with prior art, the beneficial effects of the present invention are:
1, the invention can play the role of driving by the setting of handwheel, and the divertical motion with ovable valve stem passes through work
The setting of wheel is set as ring structure on active wheel and has threaded hole, can install handwheel integral demounting, is carrying out actual behaviour
During work, the installation of the valve rod of different bores is coped with, by the setting for assisting shaking hands, the energy when carrying out the rotation of handwheel
Enough play the role of auxiliary, is more easier the rotation of handwheel.
2, the invention is firmly fixed valve rod by the setting of valve stem nut, clamp nut and fixing seat, and between do not have
There is big gap, avoid getting half the result with twice the effort in practical operation, by the setting of gland, material will be tamped and compressed, avoid tamping material
It leaks out, by the setting of sealing ring, workspace is isolated with actual flow cavity, the substance in flow cavity is avoided to enter work
Make in area, accumulate greasy dirt, the present apparatus can not be normally carried out work, and avoid the leakage of the substance in flow cavity, cause one
Fixed economic loss.
3, the invention is by the setting of fixed link, and and then valve rod is rotated when not in use, does not hinder the normal of the present apparatus
Work realizes that anti-theft performance, screw rod can be screwed into support column, valve rod lockked by the setting of lock tube, fixture nut and screw rod,
Lock tube and fixture nut are disposed as special shape, and lock tube and fixture nut are not needing to make by special device twist-on
Used time removes fixture nut, only can not be back-outed screw rod by lock tube.
Detailed description of the invention
Fig. 1 is a kind of main view of petroleum valve with anti-theft function of the invention；
Fig. 2 is a kind of cross-sectional view of petroleum valve with anti-theft function of the invention；
Fig. 3 is the cross-sectional view of support column of the invention；
Fig. 4 is the stereoscopic schematic diagram of valve rod of the invention；
Fig. 5 is the stereoscopic schematic diagram of handwheel of the invention.
In figure: 1, connecting column；2, handwheel；3, support column；4, the first fixing bolt；5, terminal pad；6, the first connecting tube；7,
First mounting flange；8, the first valve flanges disk；9, the second fixing bolt；10, the first valve pipe；11, valve body；12,
Two valve pipes；13, the second valve flanges disk；14, the second mounting flange；15, the second connecting tube；16, third fixing bolt；
17, valve rod；18, the first valve seat；19, the second valve seat；20, valve plate；21, flow cavity；22, valve stem nut；23, clamp nut；24,
Bearing；25, fixing seat；26, gland；27, sealing ring；28, fixed link；29, lock tube；30, fixture nut；31, screw rod；32, work
It takes turns；33, auxiliary is shaken hands；34, support bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Fig. 1-5 is please referred to, a kind of embodiment provided by the invention: a kind of petroleum valve with anti-theft function, including
Valve body 11, the side of valve body 11 are equipped with the first valve pipe 10, and the side of the first valve pipe 10 is equipped with the first valve method
Blue disk 8, the side of the first valve flanges disk 8 are equipped with the first mounting flange 7, the first mounting flange 7 and the first valve method
The second fixing bolt 9 is provided between blue disk 8, the side of the first mounting flange 7 is equipped with the first connecting tube 6, valve body 11
The other side is equipped with the second valve pipe 12, and the side of the second valve pipe 12 is equipped with the second valve flanges disk 13, the second valve
The side of door ring flange 13 is equipped with the second mounting flange 14, and the side of the second mounting flange 14 is equipped with the second connecting tube
15, third fixing bolt 16 is provided between the second mounting flange 14 and the second connecting tube 15, the upper end of valve body 11 is equipped with
Terminal pad 5 is provided with the first fixing bolt 4, is fixed between terminal pad 5 and valve body 11, wherein terminal pad 5 can make up for it close
The abrasion loss of cover keeps the leakproofness of the present apparatus, and securely and reliably, the upper end of terminal pad 5 is equipped with support column 3, support column 3
Upper end is equipped with handwheel 2, and the upper end of handwheel 2 is equipped with connecting column 1.
Further, the upper end inside valve body 11 is equipped with valve rod 17, plays linkage, and the lower end of valve rod 17 is equipped with valve plate
20, valve plate 20 is blocked, and the two sides of 20 upper end of valve plate are provided with the first valve seat 18, and the two sides of 20 lower end of valve plate are provided with
Second valve seat 19, the two sides of valve plate 20 are provided with flow cavity 21.
Further, the lower end inside support column 3 is provided with sealing ring 27, and the upper end of sealing ring 27 is provided with gland 26, pressure
The upper end of lid 26 is provided with fixing seat 25, and the upper end of fixing seat 25 is provided with valve stem nut 22, the side setting of valve stem nut 22
There are clamp nut 23 and bearing 24, and the upper end of bearing 24 is arranged in clamp nut 23.
Further, fixed link 28 is installed on valve rod 17, screw rod 31 is provided in fixed link 28, locking is can be realized, keeps away
Exempt from the generation of stolen event, the upper end of screw rod 31 is provided with fixture nut 30, and the shape of fixture nut 30 is special, passes through fixation
Screw rod 31 is screwed by nut 30, is removed after being screwed into, and oil stealer can not unscrew screw rod 31, the upper end of fixture nut 30 by lock tube 29
It is provided with lock tube 29.
Further, the middle position of handwheel 2 is provided with active wheel 32, and support is provided between handwheel 2 and active wheel 32
Item 34, the side of 2 upper end of handwheel are provided with auxiliary and shake hands 33, and shake hands 33 outside of auxiliary is wrapped in silica gel, more soft, support
Item 34 is connect with handwheel 2 and active wheel 32 respectively by welding, and active wheel 32 is set as ring structure, is facilitated and is rotated, and
It is provided with perforative threaded hole on active wheel 32, auxiliary, which is shaken hands, 33 to be connect by welding with handwheel 2, is avoided firmly excessive caused
Fall off, shake hands 33 two sides of auxiliary are set as more comfortable when wave structure is rotated, and auxiliary shake hands 33 setting into
It is more laborsaving in the rotation of row handwheel 2.
Further, the first fixing bolt 4, the second fixing bolt 9 and third fixing bolt 16 are provided with eight, and first connects
By being welded to connect between adapter tube 6 and the first mounting flange 7, lead between the first valve flanges disk 8 and the first valve pipe 10
Welded connecting is crossed, by being welded to connect between the second valve pipe 12 and the second valve flanges disk 13, the second mounting flange 14
And second between connecting tube 15 by being welded to connect, welding can be avoided between there is gap, and stronger, service life
More lengthening, the first connecting tube 6, the first valve pipe 10, the second valve pipe 12 and the second connecting tube 15 are set as hollow structure,
Wherein petroleum is flowed wherein, and the first connecting tube 6, the first valve pipe 10, the second valve pipe 12 and the second connection
The caused problem revealed or impact force is larger of the identical difference in height for avoiding pipeline enclosure of the diameter of pipe 15.
Further, the lower end of valve rod 17 is set as I-shaped structure, drives valve plate 20 to move by groove herein, realizes truncation
Function, valve plate 20 is fixedly connected with valve rod 17, and valve plate 20 and valve rod 17 will not be caused to be detached from because stress is excessive when in use, made
The present apparatus loses using effect, and the thickness of valve plate 20 is set as ten millimeters, and valve plate 20 and the first valve seat 18 and the second valve seat 19 paste
Connection is closed, the first valve seat 18 and the second valve seat 19 play the function of blocking, and the first valve seat 18 and the second valve seat 19 are provided with two
It is a.
Further, sealing ring 27 is set as ring structure, avoids the case where leaking during oil transportation, both
Lead to scrapping for the present apparatus, and leak out petroleum, there is certain security risk, and the overall diameter of sealing ring 27 and support column 3
Interior diameter it is identical, firmly block, not there are gap, fixing seat 25 is fitted and connected with gland 26, and bearing 24 extends to valve rod
17 inside, valve stem nut 22 and fixing seat 25 are fitted and connected with valve rod 17, are provided between valve stem nut 22 and fixing seat 25
Partition protrusion, valve rod 17 run through support column 3.
Further, it is provided with screw thread on screw rod 31, can be screwed into support column 3, play the function of fixed valve rod 17, realized
Anti-theft function, the diameter of lock tube 29 are greater than the diameter of screw rod 31, and lock tube 29 can cover on screw rod 31, the interposition of fixture nut 30
The place of setting is provided with perforative hole, and the interior diameter of fixture nut 30 is identical as the overall diameter of lock tube 29, with 29 twist-on of lock tube, uses
After complete, fixture nut 30 to be removed, can not be taken out screw rod 31 by lock tube 29, valve rod 17 just cannot be driven and be rotated,
Fixed link 28 runs through valve rod 17, there are two lock tube 29, fixture nut 30 and screw rod 31 are respectively provided with.
Working principle: in use, by the first connecting tube 6, the first mounting flange 7, the first valve flanges disk 8, the first valve
Door pipeline 10, the second valve pipe 12, the second valve flanges disk 13, the second mounting flange 14 and the second connecting tube 15 successively connect
It connects, rotation hand wheel 2, wherein active wheel 32 is rotated under drive, and the radius of handwheel 2 is big, and the radius of active wheel 32 is small, rotation
It does not need to rotate excessive angle when handwheel 2, assists 33 auxiliary rotations during rotation of shaking hands, saving is exerted oneself, under drive
Valve rod 17 rotates clockwise 90 degree, because valve plate 20 is fixedly connected with valve rod 17, so 20 rotated ninety degrees of valve plate, and valve plate at this time
20 direction is parallel with flow direction, and wherein petroleum is flowed along the flow cavity 21 of composition, when being closed, revolves counterclockwise
Wheel 2 is changed hands, makes 20 opposite direction rotated ninety degrees of valve plate, the direction of valve plate 20 is vertical with flow direction at this time, and valve plate 20 is stuck in stream
The middle position of dynamic chamber 21, blocks the flowing of petroleum, when not using this valve, passes through fixed link 28 using screw rod 31 and is screwed into branch
In the screw hole of 3 upper surface of dagger, fixture nut 30 is removed using instrument, screw rod 31 can not only be back-outed by lock tube 29, it is real
Existing antitheft function is set up fixture nut 30 using instrument when continuing need for the flowing that it controls petroleum, is fixed by rotation
Screw rod 31 is taken out, is detached from lock state at this time by nut 30.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (9)
1. a kind of petroleum valve with anti-theft function, including valve body (11), it is characterised in that: the side of the valve body (11)
It is equipped with the first valve pipe (10), the side of first valve pipe (10) is equipped with the first valve flanges disk (8), described
The side of first valve flanges disk (8) is equipped with the first mounting flange (7), first mounting flange (7) and the first valve
It is provided with the second fixing bolt (9) between door ring flange (8), the side of first mounting flange (7) is equipped with the first company
It takes over (6), the other side of the valve body (11) is equipped with the second valve pipe (12), the side of second valve pipe (12)
Second valve flanges disk (13) is installed, the side of the second valve flanges disk (13) is equipped with the second mounting flange
(14), the side of second mounting flange (14) is equipped with the second connecting tube (15), second mounting flange (14)
And second be provided with third fixing bolt (16) between connecting tube (15), the upper end of the valve body (11) is equipped with terminal pad (5),
It is provided with the first fixing bolt (4) between the terminal pad (5) and valve body (11), the upper end of the terminal pad (5) is equipped with branch
The upper end of dagger (3), the support column (3) is equipped with handwheel (2), and the upper end of the handwheel (2) is equipped with connecting column (1).
2. a kind of petroleum valve with anti-theft function according to claim 1, it is characterised in that: the valve body (11)
Internal upper end is equipped with valve rod (17), and the lower end of the valve rod (17) is equipped with valve plate (20), valve plate (20) upper end
Two sides are provided with the first valve seat (18), and the two sides of valve plate (20) lower end are provided with the second valve seat (19), the valve plate
(20) two sides are provided with flow cavity (21).
3. a kind of petroleum valve with anti-theft function according to claim 1, it is characterised in that: the support column
(3) internal lower end is provided with sealing ring (27), and the upper end of the sealing ring (27) is provided with gland (26), the gland (26)
Upper end be provided with fixing seat (25), the upper end of the fixing seat (25) is provided with valve stem nut (22), the valve stem nut
(22) side is provided with clamp nut (23) and bearing (24), and clamp nut (23) setting is in the upper end of bearing (24).
4. a kind of petroleum valve with anti-theft function according to claim 2, it is characterised in that: the valve rod (17)
On be equipped with fixed link (28), be provided with screw rod (31) on the fixed link (28), the upper end of the screw rod (31) is provided with solid
Determine nut (30), the upper end of the fixture nut (30) is provided with lock tube (29).
5. a kind of petroleum valve with anti-theft function according to claim 1, it is characterised in that: the handwheel (2)
Middle position be provided with active wheel (32), be provided with support bar (34) between the handwheel (2) and active wheel (32), it is described
The side of handwheel (2) upper end is provided with auxiliary and shakes hands (33), the support bar (34) by welding respectively with handwheel (2) and work
(32) connection is taken turns, the active wheel (32) is set as ring structure, and is provided with perforative threaded hole on active wheel (32), described
Auxiliary shake hands (33) connect by welding with handwheel (2), the two sides of (33) of assisting shaking hands are set as wave structure.
6. a kind of petroleum valve with anti-theft function according to claim 1, it is characterised in that: described first is fixed
Bolt (4), the second fixing bolt (9) and third fixing bolt (16) are provided with eight, first connecting tube (6) and first
By being welded to connect between mounting flange (7), pass through between the first valve flanges disk (8) and the first valve pipe (10)
It is welded to connect, by being welded to connect between second valve pipe (12) and the second valve flanges disk (13), described second connects
By being welded to connect between acting flange disk (14) and the second connecting tube (15), first connecting tube (6), the first valve pipe
(10), the second valve pipe (12) and the second connecting tube (15) are set as hollow structure, and the first connecting tube (6), the first valve
Pipeline (10), the second valve pipe (12) are identical with the diameter of the second connecting tube (15).
7. a kind of petroleum valve with anti-theft function according to claim 2, it is characterised in that: the valve rod (17)
Lower end be set as I-shaped structure, the valve plate (20) is fixedly connected with valve rod (17), and the thickness of the valve plate (20) is set as
Ten millimeters, the valve plate (20) is fitted and connected with the first valve seat (18) and the second valve seat (19), first valve seat (18) and the
There are two two valve seats (19) are respectively provided with.
8. a kind of petroleum valve with anti-theft function according to claim 3, it is characterised in that: the sealing ring
(27) it is set as ring structure, and the overall diameter of sealing ring (27) is identical as the interior diameter of support column (3), the fixing seat (25)
It is fitted and connected with gland (26), the bearing (24) extends to the inside of valve rod (17), the valve stem nut (22) and fixing seat
(25) it is fitted and connected with valve rod (17), partition protrusion, the valve is provided between the valve stem nut (22) and fixing seat (25)
Bar (17) runs through support column (3).
9. a kind of petroleum valve with anti-theft function according to claim 4, it is characterised in that: the screw rod (31)
On be provided with screw thread, the diameter of the lock tube (29) is greater than the diameter of screw rod (31), the middle position of the fixture nut (30)
Place is provided with perforative hole, and the interior diameter of the fixture nut (30) is identical as the overall diameter of lock tube (29), the fixed link
(28) run through valve rod (17), there are two the lock tube (29), fixture nut (30) and screw rod (31) are respectively provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312603.XA CN109210265B (en) | 2018-11-06 | Petroleum valve with anti-theft function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312603.XA CN109210265B (en) | 2018-11-06 | Petroleum valve with anti-theft function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109210265A true CN109210265A (en) | 2019-01-15 |
| CN109210265B CN109210265B (en) | 2024-07-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576937A (en) * | 2020-12-02 | 2021-03-30 | 李思男 | Valve opening and closing mechanism for detecting air tightness of valve |
| CN114321474A (en) * | 2021-12-31 | 2022-04-12 | 盐城欧润石化设备制造有限公司 | Petroleum pipeline valve convenient to overhaul |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112576937A (en) * | 2020-12-02 | 2021-03-30 | 李思男 | Valve opening and closing mechanism for detecting air tightness of valve |
| CN114321474A (en) * | 2021-12-31 | 2022-04-12 | 盐城欧润石化设备制造有限公司 | Petroleum pipeline valve convenient to overhaul |
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