CN110306949A - Well-mouth theft-prevention sampler - Google Patents
Well-mouth theft-prevention sampler Download PDFInfo
- Publication number
- CN110306949A CN110306949A CN201910584055.4A CN201910584055A CN110306949A CN 110306949 A CN110306949 A CN 110306949A CN 201910584055 A CN201910584055 A CN 201910584055A CN 110306949 A CN110306949 A CN 110306949A
- Authority
- CN
- China
- Prior art keywords
- lock core
- valve rod
- briquetting
- fixing sleeve
- valve
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
- B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/086—Withdrawing samples at the surface
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The present invention relates to a kind of well-mouth theft-prevention samplers, including probe tube, threeway plug valve is fixed in probe tube, threeway plug valve includes valve body, spherical valve core and the valve rod for controlling spherical valve core, the periphery of valve rod is equipped with sheath, the inner termination of sheath is connect with valve seal, the external end head of sheath stretches out the external end head for outside probe tube and exceeding valve rod, the external end head of valve rod is equipped with valve rod square tenon, the middle section of sheath is equipped with fixing sleeve, fixing sleeve and sheath coaxial line, valve rod are pierced by from the bottom wall central of fixing sleeve, and the inner cavity of fixing sleeve is equipped with valve rod control mechanism.Valve rod control mechanism includes the lock core with fixing sleeve coaxial line, the T-shaped section of lock core, and the big end of lock core is rotationally embedded in the inner cavity of fixing sleeve, and the small end of lock core is rotationally embedded in the inner cavity of sheath, and the center of lock core is fixedly connected with valve rod；It is equipped with multiple lock chambers in lock core, locks the locking mechanism that is equipped with and lock core and fixing sleeve can be locked or unlocked in chamber.The well-mouth theft-prevention sampler is easy to operate, and anti-theft performance is good.
Description
Technical field
The present invention relates to a kind of sampling valve more particularly to a kind of well-mouth theft-prevention samplers, belong to well mouth of oil well sampling valve
Technical field.
Background technique
Well mouth of oil well sample cock is mounted on the vertical pipeline of well head at present, live sample cock anyone can
Enough handwheels or spanner are opened, and stealer easily can steal crude oil by opening sampling valve, make enterprise by unnecessary
Economic loss, be also easy to cause the environmental pollution at scene.
The Chinese invention patent application of Publication No. CN 104179500A discloses a kind of built-in sampler, including
Probe tube, the both ends of probe tube are separately connected hoop, and threeway plug valve is fixed in probe tube, and threeway plug valve includes valve
Body, spherical valve core and valve rod, be provided on the valve body horizontal inlet, with the Horizontal Exit of horizontal inlet on the same line
And the vertical outlet vertical with horizontal inlet, the horizontal import and export and probe tube coaxial line of threeway plug valve, threeway plug valve
Vertical output mouth be connected with sampling pipe nipple, sample the protruding probe tube of pipe nipple.The threeway plug valve is had using built-in
Preferable heat insulation effect, sampling pipe nipple is vertically arranged, and after the completion of sampling, is sampled and is left no residue in pipe nipple, avoid the hair of frozen block
It is raw.
Since oil recovery factory many places are in remote districts, although the valve rod of the sampling valve is built in sheath, but stealer is adopted
Valve rod still can be easily gone to simple tool, crude oil is stolen, national assets is made to sustain a loss, improves the guard against theft oil of sampling valve
Performance is a big project of oil recovery factory.
Summary of the invention
It is an object of the present invention to overcome problems of the prior art, a kind of well-mouth theft-prevention sampler is provided, is had
There are anti-frozen block and anti-theft performance, and samples convenient and efficient.
In order to solve the above technical problems, a kind of well-mouth theft-prevention sampler of the invention, including probe tube, the probe tube
In be fixed with threeway plug valve, the threeway plug valve includes valve body, spherical valve core and the valve rod for controlling spherical valve core, the valve
The periphery of bar is equipped with sheath, and the inner termination of the sheath is fixed on valve body, the external end head of the sheath stretch out probe tube it is outer and
External end head beyond valve rod, the external end head of the valve rod are equipped with valve rod square tenon, and the middle section of the sheath is equipped with fixing sleeve, described solid
Fixed set and sheath coaxial line, the valve rod are pierced by from the bottom wall central of the fixing sleeve, and the inner cavity of the fixing sleeve is equipped with valve rod
Control mechanism.
Compared with the existing technology, the present invention achieves following the utility model has the advantages that threeway plug valve includes being located at probe tube axis
On axial entrance and axial outlet, radial delivery outlet is perpendicular to probe tube axis.Under non-sampling state, the axis of threeway plug valve
It connects to entrance and axial outlet；When sampling, by valve rod rotation spherical spool, make axial entrance and radial delivery outlet phase
Logical, crude oil is flowed out from sampling pipe nipple.Valve rod is located at the inner cavity of sheath, avoids frozen block；Since valve rod square tenon is located at the inner cavity of sheath,
Capping must be laid down, operative employee can be inserted into sheath lumen by means of special tool, by valve rod square tenon rotation valve rod, smoothly
It is sampled.Valve rod square tenon is built-in to be used as first of guard against theft oil measure, and fixing sleeve and valve rod control mechanism are antitheft as second
Oily measure even if stealer entangles valve rod square tenon using self-made tool, but still can not manipulate valve rod control mechanism, because without
It is able to rotate valve rod, anti-theft performance is more preferable.
As an improvement of the present invention, the valve rod control mechanism includes the lock core with fixing sleeve coaxial line, and the lock core is in T
Tee section, the big end of the lock core are rotationally embedded in the inner cavity of the fixing sleeve, and the small end of the lock core is rotationally embedded in
The center of the inner cavity of the sheath, the lock core is fixedly connected with valve rod；Multiple cylinder lock chambers, the lock are equipped in the lock core
The locking mechanism that lock core and fixing sleeve can be locked or unlocked is equipped in core lock chamber.The lock core of T section is automatically in fixing sleeve
Axially position is obtained, only after locking mechanism unlocks, lock core can generate rotation in fixing sleeve, since lock core and valve rod are solid
Fixed connection, therefore valve rod can be manipulated rotating.When locking mechanism does not unlock, lock core is fixed in fixing sleeve, even if valve rod
By torsion, still cannot be rotated.
As a further improvement of the present invention, each cylinder lock chamber respectively includes interconnected the first lock core cavity and the second lock
Core cavity, first lock core cavity is along the axially extending of lock core small end, the second lock core cavity radially extending along lock core big end；Institute
Stating locking mechanism includes briquetting, connecting rod and jacking block, and each briquetting is located in corresponding first lock core cavity and can be along the first lock core
Chamber slides axially, matched jacking block be located in corresponding second lock core cavity and can radially sliding along the second lock core cavity, it is described
One end of connecting rod and the inner face of briquetting are hinged, and the other end of connecting rod and the inner face of corresponding jacking block are hinged；It is described
Multiple fixation lock set chambers radially extended along fixing sleeve are equipped in fixing sleeve, each fixed lock set chamber is locked with corresponding second respectively
Core cavity coaxial line and smooth perforation, it is one of to fix in lock set chamber the closing piece that is equipped with and slide along fixed lock set chamber, the closing piece
Front lean with corresponding jacking block, and the back side of the closing piece by closing piece spring supporting fixation lock set chamber bottom；Each pressure
It is respectively equipped with briquetting spring between the inner face of block and the bottom wall of the lock core, each briquetting spring is close to valve rod, and briquetting spring
Axis be parallel to the axis of valve rod.Fixation lock set chamber equipped with closing piece is true lock chamber, remaining is false lock chamber；It is corresponding with closing piece
Briquetting by external force squeeze when, along the first lock core cavity to the big extreme direction of lock core slide, and by connecting rod promotion jacking block edge
Second lock core cavity is slided to the direction far from valve rod, extruding of the closing piece by jacking block, to far from stem shaft in fixed lock set chamber
The direction of line retracts, and when closing piece is just fully retracted in fixed lock set chamber, the contact surface of closing piece and jacking block is placed exactly in lock core
On the interface of fixing sleeve, i.e., closing piece is no longer crossed between lock core and the interface of fixing sleeve, and the closing piece is at this time
Unlocked state.Any one briquetting corresponding with vacation lock chamber, if also squeezed by external force, the empty fixation of corresponding jacking block insertion
In lock set chamber, i.e., jacking block locks lock core on the interface in lock core and fixing sleeve.The closing piece of only very lock chamber is in solution
Lock status, while remaining each false lock chamber cannot have jacking block insertion, lock core could be unlocked, lock core in the unlocked state, valve rod
It can just rotate.When briquetting is by outer surface pressure, briquetting spring is by compressed energy-storage；When the pressure that briquetting is subject to disappears, briquetting
Tension force of spring pushes briquetting to automatically reset；Closing piece tension force of spring releases closing piece, and closing piece is returned to across lock core and fixing sleeve
The state of interface relocks lock core.Stealer faces four elastic press, be difficult to expect be there are three briquetting cannot be by
Pressure, if any briquetting matched with vacation lock chamber is pressed, make in the false lock chamber of jacking block insertion, then lock core is i.e. locked.With
The true matched briquetting of chamber of locking must be pressed into accurate depth, and pressing is not in place, and closing piece does not unlock, presses excessive then jacking block and inserts
Enter to lock in chamber and again lock lock core, therefore anti-theft performance is more excellent.
As a further improvement of the present invention, the inner face of the briquetting, which is fixedly connected with, is inserted in inserting in briquetting spring
Pipe, the free end inner cavity of the intubation are plugged with the inserted link with intubation coaxial line, and the root of the inserted link is fixedly connected on described
On the bottom wall of lock core.When briquetting compression compresses briquetting spring, the depth of inserted link free end insertion intubation is deepened；Work as briquetting
It is pressurized and disappears, when briquetting spring pushes briquetting to reset, inserting depth of the inserted link in intubation shoals；In the effect of intubation and inserted link
Under, briquetting spring is compressed or is extended along own axes always, and skew failure phenomenon will not occur.
As a further improvement of the present invention, the periphery of the valve rod is equipped with the valve rod groove axially extending along valve rod, each to press
Block is embedded in corresponding valve rod groove respectively with the side that valve rod is in contact.Valve rod groove plays guiding role to the sliding of briquetting, together
When valve rod groove external end head step to briquetting formed limit, avoid briquetting from continuing to slide out, form the external limit position of briquetting.
As a further improvement of the present invention, the locking mechanism is configured with special spanner, and the special spanner includes pulling
Hand ontology, the center of the wrench body are equipped with the driving hole for being adapted and penetrating through with the valve rod square tenon, the wrench body
Outer end face be connected with hand handle, the circumference of the wrench body inner face is equipped with a spanner compression bar；When spanner compression bar will be with
When the corresponding briquetting of closing piece is advanced to bottom, the front of closing piece is concordant to core side ports with fixed lock set chamber.Operative employee holds
Hand handle inwardly squeezes spanner compression bar alignment briquetting corresponding with true lock chamber, and during briquetting is forced to retrogressing, driving hole covers
In valve rod square tenon and continue to promote to the root of valve rod square tenon, when driving hole is advanced to bottom, briquetting is advanced into interior by spanner compression bar
Extreme position, jacking block is advancing to the position by briquetting by connecting rod at this time, and each closing piece is positive and fixation lock set chamber to core at this time
Side ports are concordant, i.e., lock core is in the unlocked position, and rotation hand handle can turn valve rod square tenon and lock core, make valve rod by spherical valve core
Turn to the fuel-displaced position of sampling.
As a further improvement of the present invention, the front of the closing piece is equipped with the low closing piece mushroom head of intermediate high surrounding, with
The external end head for the jacking block that closing piece matches is equipped with the low jacking block mushroom head of intermediate high surrounding.Jacking block mushroom head and closing piece mushroom head were both
Guarantee well contacting between jacking block and closing piece, and the position of closing piece is allowed to have reasonable error, the i.e. vertex of closing piece and fixation
If lock set chamber is absolutely not concordant to core side ports, but there are small error, the external port of the second lock core cavity is contacted
To the cambered surface of closing piece mushroom head, closing piece can be fully advanced in fixed lock set chamber, lock core is enable to rotate.Similarly if jacking block
Mushroom head slightly protrudes into fixed lock set chamber, and when lock core rotates, the cambered surface of jacking block mushroom head scrapes the port of fixed lock set chamber,
It can be topped back in the second lock core cavity；It avoids causing operative employee to be also difficult to open threeway plug valve progress because cooperation precision is too high
Sampling.
As a further improvement of the present invention, the shape size of each briquetting and initial position are identical, the length of each connecting rod
Identical, the outer end face of the jacking block of not mating closing piece is plane and concordant with the external port of corresponding second lock core cavity.At the beginning of each briquetting
Beginning state is identical, more has fascination, and special spanner is correctly oriented in use, must assure that, keeps spanner compression bar right
Quasi- accurate briquetting is possible to solution lock pin.Due to three jacking blocks setting butt end matched with vacation lock chamber and it is in critical potential
It sets, length is longer than the jacking block being bonded with closing piece, as long as slightly being pressed, the jacking block of butt end is inserted into false lock chamber, will
Lock core firmly locks, and anti-theft performance is more preferable.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, attached drawing only provide with reference to
Illustrate to use, it is non-to limit the present invention.
Fig. 1 is the structural schematic diagram of well-mouth theft-prevention sampler of the present invention.
Fig. 2 is the enlarged drawing at the position A in Fig. 1.
Fig. 3 is the enlarged drawing at lock core position in Fig. 2.
Fig. 4 is the port view of sheath after laying down capping in Fig. 1.
Fig. 5 is the main view of special spanner.
Fig. 6 is the right view of wrench body in Fig. 5.
In figure: 1. probe tubes；2. threeway plug valve；2a. valve body；2b. spherical valve core；2c. valve rod；2c1. valve rod square tenon；
2c2. valve rod groove；3. sampling pipe nipple；4. sheath；5. fixing sleeve；5a. fixes lock set chamber；6. lock core；The first lock core cavity of 6a.；6b.
Second lock core cavity；7. briquetting；8. connecting rod；9. jacking block；9a. jacking block mushroom head；10. briquetting spring；10a. intubation；10b. is inserted
Bar；11. closing piece；11a. closing piece mushroom head；12. closing piece spring；13. capping；14a. wrench body；14b. driving hole；14c. is pulled
Hand compression bar；14d. hand handle.
Specific embodiment
As shown in Figures 1 to 4, well-mouth theft-prevention sampler of the invention, including probe tube 1 are fixed with three in probe tube 1
Logical plug valve, threeway plug valve 2 include valve body 2a, spherical valve core 2b and the valve rod 2c for controlling spherical valve core 2b, threeway plug valve 2
Radial delivery outlet in be equipped with sampling pipe nipple 3, sample pipe nipple 3 external end head extending radially out outside probe tube 1 along probe tube 1,
The periphery of valve rod 2c is equipped with sheath 4, and the inner termination of sheath 4 is fixed on valve body 2a, and the external end head of sheath 4 stretches out outside probe tube 1
And exceeding the external end head of valve rod 2c, the external end head of valve rod 2c is equipped with valve rod square tenon 2c1, and the external port of sheath 4 is screwed with capping 13.
The middle section of sheath 4 is equipped with fixing sleeve 5, fixing sleeve 5 and 4 coaxial line of sheath, and valve rod 2c is pierced by from the bottom wall central of fixing sleeve 5, Gu
Surely the inner cavity of set 5 is equipped with valve rod control mechanism.
Threeway plug valve 2 includes axial entrance and axial outlet on the probe tube axis, radial delivery outlet perpendicular to
Probe tube axis.Under non-sampling state, the axial entrance of threeway plug valve 2 and axial outlet connect；When sampling, pass through valve rod
2c rotation spherical spool 2b communicates axial entrance with radial delivery outlet, and crude oil is flowed out from sampling pipe nipple 3.Valve rod 2c is located at shield
The inner cavity of set 4, avoids frozen block；Since valve rod square tenon 2c1 is located at the inner cavity of sheath 4, it is necessary to lay down capping 13, operative employee can borrow
Help special tool insertion sheath lumen smoothly to be sampled by valve rod square tenon 2c1 rotation valve rod 2c.Valve rod square tenon 2c1
Built-in to be used as first of guard against theft oil measure, fixing sleeve 5 and valve rod control mechanism are as second guard against theft oil measure, even if stealer
Valve rod square tenon 2c1 is entangled using self-made tool, but still can not manipulate valve rod control mechanism, thus is unable to rotation valve rod 2c,
Anti-theft performance is more preferable.
Valve rod control mechanism includes the lock core 6 with 5 coaxial line of fixing sleeve, the T-shaped section of lock core 6, and the big end of lock core 6 can turn
It is embedded in the inner cavity of fixing sleeve 5 dynamicly, the small end of lock core 6 is rotationally embedded in the inner cavity of sheath 4, the center of lock core 6 and valve rod 2c
It is fixedly connected；Multiple cylinder lock chambers are equipped in lock core 6, lock core 6 and fixing sleeve 5 can be locked or unlocked by being equipped in cylinder lock chamber
Locking mechanism.The lock core 6 of T section obtains axially position in fixing sleeve 5 automatically, only after locking mechanism unlocks, lock core 6
Rotation can be generated in fixing sleeve 5, since lock core 6 is fixedly connected with valve rod 2c, valve rod 2c can be manipulated rotating.Lock
When determining mechanism and not unlocking, lock core 6 is fixed in fixing sleeve 5, even if valve rod 2c by torsion, still cannot be rotated.
Each cylinder lock chamber respectively includes interconnected the first lock core cavity 6a and the second lock core cavity 6b, the first edge lock core cavity 6a
Axially extending, the second lock core cavity 6b radially extending along lock core big end of lock core small end；Locking mechanism includes briquetting 7, connecting rod 8
With jacking block 9, each briquetting 7 be located in corresponding first lock core cavity 6a and can sliding axially along the first lock core cavity 6a, it is matched
Jacking block 9 be located in corresponding second lock core cavity 6b and can radially sliding along the second lock core cavity 6b, one end of connecting rod 8 and briquetting
7 inner face is hinged, and the other end of connecting rod 8 and the inner face of corresponding jacking block 9 are hinged；Multiple edges are equipped in fixing sleeve 5
The fixation lock set chamber 5a, each fixed lock set chamber 5a that radially extend of fixing sleeve 5 respectively with corresponding second lock core cavity 6b coaxial line
And smooth perforation, it is one of to fix in lock set chamber 5a the closing piece 11 that is equipped with and slide along fixed lock set chamber 5a, the closing piece 11
It is positive to lean with corresponding jacking block 9, and the back side of the closing piece 11 is supported on the bottom of fixed lock set chamber 5a by closing piece spring 12；
Briquetting spring 10 is respectively equipped between the inner face of each briquetting 7 and the bottom wall of lock core 6, each briquetting spring 10 close to valve rod 2c, and
The axis of briquetting spring 10 is parallel to the axis of valve rod 2c.
Fixation lock set chamber 5a equipped with closing piece 11 is true lock chamber, remaining is false lock chamber；Briquetting 7 corresponding with closing piece 11 by
When being squeezed to external force, slided along the first lock core cavity 6a to the big extreme direction of lock core 6, and push jacking block 9 along second by connecting rod 8
Lock core cavity 6b is slided to the direction far from valve rod 2c, extruding of the closing piece 11 by jacking block 9, to far from valve in fixed lock set chamber 5a
The direction of rod axis retracts, and when closing piece 11 is just fully retracted in fixed lock set chamber 5a, the contact surface of closing piece 11 and jacking block 9 is just
Being located at well on the interface of lock core 6 and fixing sleeve 5, i.e., closing piece 11 is no longer crossed between lock core 6 and the interface of fixing sleeve 5,
The closing piece 11 is i.e. in the unlocked state at this time.
Any one briquetting 7 corresponding with vacation lock chamber, if also squeezed by external force, corresponding jacking block 9 is inserted into empty
In fixed lock set chamber 5a, i.e., jacking block 9 locks lock core 6 on the interface in lock core 6 and fixing sleeve 5.Only really lock chamber
Closing piece 11 is in the unlocked state, while remaining each false lock chamber cannot have the insertion of jacking block 9, and lock core 6 could be unlocked, and lock core 6 exists
Under unlocked state, valve rod 2c can just be rotated.
When briquetting 7 is by outer surface pressure, briquetting spring 10 is by compressed energy-storage；When the pressure that briquetting 7 is subject to disappears, briquetting
The tension of spring 10 pushes briquetting 7 to automatically reset；The tension of closing piece spring 12 releases closing piece 11, and closing piece 11 is returned to across lock core
6 relock lock core 6 with the state of 5 interface of fixing sleeve.
Stealer faces four elastic press 7, is difficult to expect to press there are three briquetting, matched with vacation lock chamber
If any briquetting is pressed, it is inserted into jacking block 9 in false lock chamber, then lock core 6 is i.e. locked.Briquetting matched with true lock chamber must
It must be pressed into accurate depth, pressing is not in place, and closing piece 11 does not unlock, presses in the excessive insertion of then jacking block 9 lock chamber again by lock core
6 lockings, therefore anti-theft performance is more excellent.
The inner face of briquetting 7 is fixedly connected with the intubation 10a being inserted in briquetting spring 10, is intubated in the free end of 10a
Chamber is plugged with the inserted link 10b with intubation 10a coaxial line, and the root of inserted link 10b is fixedly connected on the bottom wall of lock core 6.When briquetting 7
When compression compresses briquetting spring 10, the depth of the free end inserted link 10b insertion intubation 10a is deepened；It disappears when briquetting 7 is pressurized,
When briquetting spring 10 pushes briquetting 7 to reset, inserting depth of the inserted link 10b in intubation 10a shoals；In intubation 10a and inserted link 10b
Under the action of, briquetting spring 10 is compressed or is extended along own axes always, and skew failure phenomenon will not occur.
The periphery of valve rod 2c is equipped with the valve rod groove 2c2 axially extending along valve rod, the side that each briquetting 7 is in contact with valve rod 2c
Respectively in corresponding valve rod groove 2c2.Valve rod groove 2c2 plays guiding role to the sliding of briquetting 7, while outside valve rod groove 2c2
The step of end forms briquetting 7 and limits, and briquetting 7 is avoided to continue to slide out, and forms the external limit position of briquetting 7.
The front of closing piece 11 is equipped with the low closing piece mushroom head 11a of intermediate high surrounding, the jacking block 9 matched with closing piece 11 it is outer
End is equipped with the low jacking block mushroom head 9a of intermediate high surrounding.Jacking block mushroom head 9a and closing piece mushroom head 11a had both guaranteed jacking block 9 and lock
Good contact between block 11, and the position of closing piece 11 is allowed to have reasonable error, the i.e. vertex of closing piece 11 and fixed lock set chamber
If 5a's is absolutely not concordant to core side ports, but there are small error, the external port of the second lock core cavity 6b is touched
Closing piece 11 can be fully advanced in fixed lock set chamber 5a, lock core 6 is enable to rotate by the cambered surface of closing piece mushroom head 11a.Similarly such as
Fruit jacking block mushroom head 9a is slightly protruded into fixed lock set chamber 5a, and when lock core 6 rotates, the cambered surface of jacking block mushroom head 9a scrapes fixation
The port of lock set chamber 5a can be topped back in the second lock core cavity 6b；It avoids causing operative employee to be also difficult to beat because cooperation precision is too high
Threeway plug valve 2 is opened to be sampled.
The shape size and initial position of each briquetting 7 are identical, and the length of each connecting rod 8 is identical, the top of not mating closing piece 11
The outer end face of block 9 is plane and concordant with the external port of corresponding second lock core cavity 6b.The original state of each briquetting 7 is identical, more
With fascination, special spanner is correctly oriented in use, must assure that, makes spanner compression bar 14c that must be directed at accurate briquetting
7, be possible to solution lock pin 6.Due to three jacking blocks setting butt end matched with vacation lock chamber and it is in critical localisation, length is longer than
The jacking block 9 being bonded with closing piece 11, as long as slightly being pressed, the jacking block 9 of butt end is inserted into false lock chamber, by 6 jail of lock core
Jail locking, anti-theft performance are more preferable.
As shown in Figure 5, Figure 6, locking mechanism is configured with special spanner, and special spanner includes wrench body 14a, wrench body
The center of 14a is equipped with the driving hole 14b for being adapted and penetrating through with valve rod square tenon 2c1, and the outer end face of wrench body 14a is connected with hand
14d.The circumference of wrench body 14a inner face is equipped with a spanner compression bar 14c；When spanner compression bar 14c will be with 11 phase of closing piece
When corresponding briquetting 7 is advanced to bottom, the front of closing piece 11 is concordant to core side ports with fixed lock set chamber 5a's.
Operative employee holds hand handle 14d, spanner compression bar 14c alignment briquetting 7 corresponding with true lock chamber is inwardly squeezed, briquetting 7
During being forced to retrogressing, driving hole 14b covers on valve rod square tenon 2c1 and continues to promote to the root of valve rod square tenon 2c1, spanner
When hole 14b is advanced to bottom, briquetting 7 is advanced into internal limit position by spanner compression bar 14c, and briquetting 7 passes through connecting rod 8 for jacking block at this time
9 are advancing to the position, and each closing piece 11 is positive concordant to core side ports with fixed lock set chamber 5a at this time, i.e., lock core 6 is in solution lock-bit
It sets, rotation hand handle 14d can turn valve rod square tenon 2c1 and lock core 6, turn to valve rod 2c by spherical valve core 2b and sample out oil level
It sets.
The foregoing is merely the preferable possible embodiments of the present invention, non-therefore limitation patent protection model of the invention
It encloses.In addition to the implementation, the present invention can also have other embodiments.All skills formed using equivalent substitution or equivalent transformation
Art scheme, is all fallen within the protection domain of application claims.Technical characteristic of the present invention without description can be by or using now
There is technology realization, details are not described herein.
Claims (8)
1. a kind of well-mouth theft-prevention sampler, including probe tube, threeway plug valve, the threeway rotation are fixed in the probe tube
Plug valve includes valve body, spherical valve core and the valve rod for controlling spherical valve core, it is characterised in that: and the periphery of the valve rod is equipped with sheath,
The inner termination of the sheath is fixed on valve body, and the external end head of the sheath stretches out the external end head for outside probe tube and exceeding valve rod,
The external end head of the valve rod is equipped with valve rod square tenon, and the middle section of the sheath is equipped with fixing sleeve, the fixing sleeve and sheath coaxial line,
The valve rod is pierced by from the bottom wall central of the fixing sleeve, and the inner cavity of the fixing sleeve is equipped with valve rod control mechanism.
2. well-mouth theft-prevention sampler according to claim 1, it is characterised in that: the valve rod control mechanism includes and consolidates
Surely the lock core of coaxial line, the T-shaped section of lock core are covered, the big end of the lock core is rotationally embedded in the interior of the fixing sleeve
Chamber, the small end of the lock core are rotationally embedded in the inner cavity of the sheath, and the center of the lock core is fixedly connected with valve rod；It is described
It is equipped with multiple cylinder lock chambers in lock core, the locking machine that lock core and fixing sleeve can be locked or unlocked is equipped in the cylinder lock chamber
Structure.
3. well-mouth theft-prevention sampler according to claim 2, it is characterised in that: each cylinder lock chamber respectively includes mutually interconnecting
Logical the first lock core cavity and the second lock core cavity, first lock core cavity is along the axially extending of lock core small end, second lock core cavity
Along radially extending for lock core big end；The locking mechanism includes briquetting, connecting rod and jacking block, and each briquetting is located at corresponding first
In lock core cavity and can sliding axially along the first lock core cavity, matched jacking block is located in corresponding second lock core cavity and can be along second
Lock core cavity radially slides, and one end of the connecting rod and the inner face of briquetting are hinged, the other end and respective top of connecting rod
The inner face of block is hinged；Multiple fixation lock set chambers radially extended along fixing sleeve, each fixing sleeve are equipped in the fixing sleeve
Chamber is locked respectively with corresponding second lock core cavity coaxial line and smooth perforation, and being equipped in one of fixed lock set chamber can be along fixing sleeve
The closing piece of chamber sliding is locked, the front of the closing piece leans with corresponding jacking block, and the back side of the closing piece is existed by closing piece spring supporting
The bottom of fixed lock set chamber；Briquetting spring, each briquetting bullet are respectively equipped between the inner face of each briquetting and the bottom wall of the lock core
Spring is close to valve rod, and the axis of briquetting spring is parallel to the axis of valve rod.
4. well-mouth theft-prevention sampler according to claim 3, it is characterised in that: the inner face of the briquetting is fixedly connected
There is the intubation being inserted in briquetting spring, the free end inner cavity of the intubation is plugged with the inserted link with intubation coaxial line, described to insert
The root of bar is fixedly connected on the bottom wall of the lock core.
5. well-mouth theft-prevention sampler according to claim 3, it is characterised in that: the periphery of the valve rod is equipped with along valve rod
Axially extending valve rod groove, each briquetting are embedded in corresponding valve rod groove respectively with the side that valve rod is in contact.
6. well-mouth theft-prevention sampler according to claim 3, it is characterised in that: the locking mechanism is configured with Special pull
Hand, the special spanner include wrench body, and the center of the wrench body, which is equipped with, to be adapted and penetrate through with the valve rod square tenon
Driving hole, the outer end face of the wrench body is connected with hand handle, and the circumference of the wrench body inner face is equipped with one and pulls
Hand compression bar, when spanner compression bar will briquetting corresponding with closing piece be advanced to bottom when, the front of closing piece and fixed lock set chamber to core
Side ports are concordant.
7. well-mouth theft-prevention sampler according to any one of claim 3 to 6, it is characterised in that: the closing piece is just
Face is equipped with the low closing piece mushroom head of intermediate high surrounding, and the external end head of the jacking block matched with closing piece is equipped with the low top of intermediate high surrounding
Block mushroom head.
8. well-mouth theft-prevention sampler according to any one of claim 3 to 6, it is characterised in that: the shape of each briquetting
Size and initial position are identical, and the length of each connecting rod is identical, the outer end face of the jacking block of not mating closing piece be plane and with it is corresponding
The external port of second lock core cavity is concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584055.4A CN110306949B (en) | 2019-07-01 | 2019-07-01 | Well head anti-theft sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584055.4A CN110306949B (en) | 2019-07-01 | 2019-07-01 | Well head anti-theft sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110306949A true CN110306949A (en) | 2019-10-08 |
| CN110306949B CN110306949B (en) | 2023-06-16 |
Family
ID=68078738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910584055.4A Active CN110306949B (en) | 2019-07-01 | 2019-07-01 | Well head anti-theft sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110306949B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153217A (en) * | 2021-05-24 | 2021-07-23 | 重庆新泰机械有限责任公司 | Remote control-based oil testing and oil and gas production wellhead device |
| CN116255106A (en) * | 2022-12-12 | 2023-06-13 | 江苏金石机械集团有限公司 | Anti-theft integrated oil extraction gas wellhead device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865652A (en) * | 2005-05-16 | 2006-11-22 | 盐城市三正机械有限公司 | Anti-theft sampling valve |
| CN201031695Y (en) * | 2007-01-20 | 2008-03-05 | 张雪明 | Anti-theft enclosed sample valve |
| EP2204529A2 (en) * | 2009-01-06 | 2010-07-07 | Vetco Gray Inc. | Mechanically operated hydraulic valve actuator |
| CN103266866A (en) * | 2013-03-01 | 2013-08-28 | 中国石油天然气股份有限公司 | Key needle tube type anti-theft anti-freezing sampling valve |
| CN203239280U (en) * | 2013-03-01 | 2013-10-16 | 中国石油天然气股份有限公司 | Anti-theft anti-freezing sampling valve |
| CN104179500A (en) * | 2014-07-25 | 2014-12-03 | 中国石油化工股份有限公司 | Built-in type sampling device |
| CN104453885A (en) * | 2013-09-18 | 2015-03-25 | 中国石油天然气股份有限公司 | Antifreezing, antitheft and emptying-free oil well sampling device |
| GB201620972D0 (en) * | 2015-12-17 | 2017-01-25 | Schlumberger Technology Bv | Double rod lock system |
-
2019
- 2019-07-01 CN CN201910584055.4A patent/CN110306949B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865652A (en) * | 2005-05-16 | 2006-11-22 | 盐城市三正机械有限公司 | Anti-theft sampling valve |
| CN201031695Y (en) * | 2007-01-20 | 2008-03-05 | 张雪明 | Anti-theft enclosed sample valve |
| EP2204529A2 (en) * | 2009-01-06 | 2010-07-07 | Vetco Gray Inc. | Mechanically operated hydraulic valve actuator |
| CN103266866A (en) * | 2013-03-01 | 2013-08-28 | 中国石油天然气股份有限公司 | Key needle tube type anti-theft anti-freezing sampling valve |
| CN203239280U (en) * | 2013-03-01 | 2013-10-16 | 中国石油天然气股份有限公司 | Anti-theft anti-freezing sampling valve |
| CN104453885A (en) * | 2013-09-18 | 2015-03-25 | 中国石油天然气股份有限公司 | Antifreezing, antitheft and emptying-free oil well sampling device |
| CN104179500A (en) * | 2014-07-25 | 2014-12-03 | 中国石油化工股份有限公司 | Built-in type sampling device |
| GB201620972D0 (en) * | 2015-12-17 | 2017-01-25 | Schlumberger Technology Bv | Double rod lock system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153217A (en) * | 2021-05-24 | 2021-07-23 | 重庆新泰机械有限责任公司 | Remote control-based oil testing and oil and gas production wellhead device |
| CN113153217B (en) * | 2021-05-24 | 2022-08-26 | 重庆新泰机械有限责任公司 | Remote control-based oil testing and oil and gas production wellhead device |
| CN116255106A (en) * | 2022-12-12 | 2023-06-13 | 江苏金石机械集团有限公司 | Anti-theft integrated oil extraction gas wellhead device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110306949B (en) | 2023-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110306949A (en) | Well-mouth theft-prevention sampler | |
| CN106941220A (en) | A kind of information equipment | |
| CN110220013A (en) | A kind of built-in type anti-theft valve | |
| CN208123501U (en) | Magnetic locking valve | |
| CN109209061A (en) | A kind of lockset of character wheel group rotation driving | |
| CN201165786Y (en) | Lock with lock core capable of idle rotating | |
| CN210510483U (en) | Valve rod built-in anti-theft opening mechanism | |
| CN203487874U (en) | Mechanical lock cylinder and lock employing same | |
| CN203175217U (en) | Difunctional horseshoe lock | |
| CN2799765Y (en) | Double-key-unlocked lock | |
| CN201360743Y (en) | Drawer pull with locking function | |
| CN203412410U (en) | Blocking device of electrical equipment box | |
| CN105909086A (en) | Combination of anti-theft padlock and key | |
| US2428401A (en) | Lock construction for door structures and the like | |
| CN105715122B (en) | A kind of Refrigerator lock that anti-foreign matter is unlocked | |
| CN210509156U (en) | Anti-theft anti-freezing sampling valve | |
| CN206956943U (en) | A kind of soil rams wall wall ferropexy bolt | |
| CN206190030U (en) | Vane type lock | |
| CN216921679U (en) | Coreless side-fastening pushing switch door lock | |
| CN201087629Y (en) | Spring rod type refrigerator lock | |
| CN203978013U (en) | Interlocking double key theftproof lock | |
| CN205663976U (en) | Antitheft device for valve | |
| CN110219509B (en) | Rotating ring internal dislocation prevention device of idle lock cylinder | |
| CN103334637B (en) | Mechanical lock core and lock adopting lock core | |
| CN203528649U (en) | Disc brake lock |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |