CN204371201U - A kind of anti-theft plugging device - Google Patents
A kind of anti-theft plugging device Download PDFInfo
- Publication number
- CN204371201U CN204371201U CN201520007294.0U CN201520007294U CN204371201U CN 204371201 U CN204371201 U CN 204371201U CN 201520007294 U CN201520007294 U CN 201520007294U CN 204371201 U CN204371201 U CN 204371201U
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- Prior art keywords
- plugging device
- valve
- theft
- lock
- mechanical lock
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Abstract
The utility model provides a kind of anti-theft plugging device, comprise resistance valve, plugging device, sampler, mechanical lock, described resistance valve, plugging device, mechanical lock is linked in sequence, described sampler is after mechanical lock is separated with plugging device, sampler is connected with plugging device, the utility model structure is simple, reasonable in design and result of use good, slips connecting bolt cover is enclosed in the cell body of slips guard shield, stolen molecule cannot be screwed or sawing slips connecting bolt, plugging device front end is in the liquid of production wellhead flowing all the time, avoid production wellhead four-way Nei Ningyou district, need not re-use when making oil recovery workman get pumpingh well oil sample in the winter time baked wheaten cake or hot water water method sampling, the fire that violation operation occurs is avoided while reducing operator's labour intensity, the security incidents such as blast, after lock housing and mechanical lock lock, protection is implemented to plugging device, avoid the generation of safety and environmental protection accident and huge economic loss.
Description
Technical field
The utility model relates to oil field technical field of sealing technology, especially relates to a kind of anti-theft plugging device produced for oilfield safety.
Background technology
Oil field is positioned on the production equipment of oil well mouth, be positioned at the tubing head on well mouth of oil well, casing head, water injection well emptying valve export, the positions such as single tank sewage draining valve, oil discharging valve outlet, often there is the valve of people by oil well of theft crude oil, carrying out stealing putting crude oil, obtain sudden huge profits or sabotaging production phenomenon makes the economy in oil field while suffering a loss, also bring severe safety environmental protection hidden danger, or even great Environment pollution accident.
Utility model content
For above-mentioned defect and the problem of prior art, technical problem to be solved in the utility model is to provide a kind of anti-theft plugging device, and its structure is simple, reasonable in design and result of use is good, solves the problem of oil security protection.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of anti-theft plugging device, comprise resistance valve, plugging device, sampler, mechanical lock, described resistance valve, plugging device, mechanical lock are linked in sequence, and described sampler is after mechanical lock is separated with plugging device, and sampler is connected with plugging device.
In technique scheme, also comprise slips guard shield, described slips guard shield is fixedly mounted on wellhead collar clamp head by mechanical lock.
In technique scheme, described resistance valve is hollow section, and hollow section inside arranges valve seat stand, and valve seat is arranged on valve seat stand front, overflow gland by valve ball, hold out against spring order be arranged in hollow section, the valve seat stand back side for interlock push rod.
In technique scheme, described overflow gland arranges inlet opening.
In technique scheme, described plugging device is the centrum of hollow, and centrum arranges plate hole.
In technique scheme, described mechanical lock is made up of servo-actuated lock housing and mechanical lock, and it is inner that mechanical lock is positioned at servo-actuated lock housing.
In technique scheme, described plugging device is connected with servo-actuated lock housing.
In technique scheme, described sampler is by tube connector, and valve rod, valve body, pressure cap, handwheel forms, and after tube connector, valve body pressure cap are linked in sequence, middle part forms pipe path, and valve rod is through pipe path.
In technique scheme, arrange sampling fluid passage in the middle part of described valve rod, valve rod is connected with handwheel.
In technique scheme, the sampling fluid passage of described valve rod liquid outlet position is bent angle.
In technique scheme, also comprise screwing device, described screwing device one end is six prismatics, and identical with plugging device end face indent hexagonal plate hole dimension, the other end is righting disc, and righting disc external diameter is identical with lock housing internal diameter, righting disc arranged outside six prismatic plate body.
The utility model structure is simple, reasonable in design and result of use good, slips guard shield adopts steel plate to make, slips connecting bolt cover is enclosed in the cell body of slips guard shield, stolen molecule cannot be screwed or sawing slips connecting bolt, the valve ball of plugging device front end, valve seat is in the liquid of production wellhead flowing all the time, avoid production wellhead four-way Nei Ningyou district, need not re-use when making oil recovery workman take oil well oil sample in the winter time baked wheaten cake or hot water water method sampling, the fire that violation operation occurs is avoided while reducing operator's labour intensity, the security incidents such as blast, after lock housing and mechanical lock lock, protection is implemented to plugging device, constrain stolen molecule and cannot sabotage and steal the behavior of putting crude oil, avoid the generation of safety and environmental protection accident and huge economic loss, reduce the workload that employee brings because of cleaning greasy dirt, reduce operative employee's labour intensity.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model resistance valve, plugging device, mechanical lock syndeton schematic diagram.
Fig. 2 is sampler structure schematic diagram.
Fig. 3 is slips shield structure schematic diagram.
Fig. 4 is screwing device structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, be clearly and completely described the technical solution of the utility model, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As a kind of anti-theft plugging device shown in embodiment, comprise resistance valve, plugging device, sampler, mechanical lock, described resistance valve, plugging device, mechanical lock are linked in sequence, and described sampler is after mechanical lock is separated with plugging device, and sampler is connected with plugging device.
According to Fig. 1, wherein: resistance valve housing 1, interlock push rod 2, connecting thread 3, flow-guiding channel 4, valve seat 5, valve ball 6, holds out against spring 7, overflow gland 8, inlet opening 9.Resistance valve by the push rod that links, valve seat, valve ball, hold out against spring, overflow gland, housing forms, and inlet opening is arranged on overflow gland, choked flow valve housing is hollow section, hollow section one end arranges internal thread, and hollow section inside arranges valve seat stand, and the valve seat stand back side is interlock push rod, valve seat, valve ball, hold out against spring load valve seat stand front, screw overflow gland and will be encapsulated in hollow section.The hollow section other end arranges connecting thread, is screwed to connect with the silk head internal thread rotation of plugging device.Interlock push rod inside arranges flow-guiding channel.
According to Fig. 1, wherein: silk head internal thread 10, plugging device 11, silk head external screw thread 12, trapezoidal internal thread 13.Plugging device is the centrum of hollow, and plugging device arranges silk head internal thread, silk head external screw thread, and the tapering of plugging device, diameter and thread size are identical with wellhead collar clamp head internal diameter tapering and thread size.Silk head internal thread and the resistance valve connecting thread of plugging device are spirally connected and realize plugging device and be connected with resistance valve.Plugging device other end has indent hexagon plate hole, arrange through hole bottom plate hole, through-hole wall arranges trapezoidal internal thread, and the flow-guiding channel of through hole and resistance valve is through.
According to Fig. 1, wherein: servo-actuated lock housing 14, housing pressure cap 15, housing fin B16, housing fin A17, location card column 18, lock core rotor 19, digital calibration dish 20, limit spring 21, spacing steel ball 22, wheel disc to chip A 23, stagnating bit cushion rubber 24, wheel disc is to chip B25, wheel disc finger 26, lattice pad 27, wheel disc is to chip C 28, fixing lock pin 29, lock core righting disc 30, jump ring 31.
Mechanical lock is made up of servo-actuated lock housing and mechanical lock, and it is inner that mechanical lock is positioned at servo-actuated lock housing.Plugging device is connected with the housing pressure cap of servo-actuated lock housing by disposed thread, and tautness makes servo-actuated lock housing be in the servo-actuated lock case sidewalls of servo-actuated state all the time and is provided with the effect that at least 2 road housing fins play solid mechanical lock core.Location card column plays the effect of fixing digital dial.
The lock core structure that mechanical lock can adopt the safety cabinet of prior art to use, the lock core that the utility model uses adopts three grades of cipher mode, namely use mechanical lock wheel disc to chip A, wheel disc to chip B, wheel disc to the breach on chip C, whether housing fin A, the housing fin B of corresponding and servo-actuated lock housing stagger, coordinate the structure such as wheel disc lock pin and fixing lock pin, realize lock core and servo-actuated lock housing locks, opens, realize open and close function.
Mechanical lock is positioned at groove digital calibration dish cylindrical axial plane had slightly larger than locator card column diameter, mutual meshing locator digital dial.During locking, lock core rotor and wheel disc are interfixed by fixing lock pin to chip C, mechanical lock wheel disc to chip A, wheel disc to chip B, wheel disc to the breach on chip C, stagger, with servo-actuated case lock with housing fin A, the housing fin B of servo-actuated lock housing.When taking out mechanical lock, screw lock core rotor clockwise, lock core rotor and wheel disc have fixing lock pin to interfix to chip C, during rotational lock core rotor, wheel disc is servo-actuated to chip C, the wheel disc finger of wheel disc to chip C stirs wheel disc to the wheel disc finger on chip B, and wheel disc stirs wheel disc to chip A mono-week to the wheel disc finger on chip B then, makes wheel disc to the breach corresponding housing fin B of chip A by the number (this code is first order password) of setting; Screw lock core rotor counterclockwise, wheel disc oppositely stirs wheel disc finger to the finger of chip C, wheel disc rotates counterclockwise one week to chip B, by the number (this code is second level password) of setting, wheel disc is overlapped with the breach of wheel disc to chip A to the breach of chip B, corresponding housing fin B; And then rotate clockwise lock core rotor, make wheel disc to the breach corresponding housing fin A on chip C by setting digital (this code is third level password), namely take off mechanical lock.Lock core righting disc plays the effect of centralising mechanical lock core.Whether the scale on digital calibration dish, can indicate each wheel disc correct to the gap position on chip.Digital calibration dish is embedded with limit spring and holds out against spacing steel ball, plays the effect of stagnating bit wheel disc to chip A.Stagnating bit cushion rubber plays the effect of stagnating bit wheel disc to chip B.Lattice pave isolation wheel disc to chip B and wheel disc to the effect of chip C.Jump ring plays the effect of location lock core righting disc.
According to Fig. 2, wherein: tube connector 32, trapezoidal external screw thread 33, aprons slot 34 valve rod 35, valve body screw thread 36, valve body 37, pressure cap external screw thread 38, valve body pressure cap 39, threaded stem 40, handwheel 41, pressure cap internal thread 42, valve rod cushion rubber 43, valve body screw thread 44, outlet screw thread 45, liquid outlet 46, tube connector screw thread 47, sampling fluid passage 48.
Sampler is by tube connector, and valve rod, valve body, pressure cap, handwheel forms, and after tube connector, valve body pressure cap are linked in sequence, middle part forms pipe path, and valve rod is through pipe path.
Sampler tube connector one end arranges trapezoidal external screw thread, and tube connector outer wall arranges aprons slot, and the tube connector other end arranges tube connector screw thread, and valve body two ends arrange valve body screw thread, and tube connector, by being spirally connected, is connected with valve body by tube connector screw thread and valve body screw thread.Valve body pressure cap is connected with the valve body screw thread of valve body by pressure cap external screw thread, fixing valve rod.Arrange sampling fluid passage in the middle part of valve rod, valve rod is connected with handwheel, and handwheel rotates advance and retreat together with valve rod, and open and close resistance valve, liquid outlet position sample fluid passage is 90 degree of right angles.
The utility model in use, need sampling, pressure, when building the pressure, take off mechanical lock, sampler is connected with plugging device, after tube connector one end of sampler is inserted be spirally connected in the trapezoidal internal thread of plugging device with trapezoidal external screw thread place, screw handwheel clockwise, handwheel band ovable valve stem pushes the interlock push rod in resistance valve, interlock push rod makes valve ball be separated valve seat, liquid is entered from sampler fluid passage by flow-guiding channel, then flow out from liquid outlet, the object reaching sampling, pressure or build the pressure.During closedown, screw handwheel counterclockwise, band ovable valve stem moves backward, and the valve ball in resistance valve, under the effect holding out against spring and borehole pressure, settingly to realize on valve seat, stops crude oil in oil well to be released.
According to Fig. 3, wherein: slips guard shield 49, guard shield fin 50, righting tube connector 51.Slips guard shield is arranged on oil well hoop, and slips guard shield is rectangle cell body, cell body both sides inwall horizontally set guard shield fin, and cell body bottom center has and the righting tube connector of internal diameter slightly larger than wellhead collar clamp head external diameter.The external diameter of righting tube connector is identical with lock housing external diameter, and the righting tube connector of slips guard shield is sleeved on wellhead collar clamp head, and after plugging device is connected with hoop by silk head external screw thread, slips guard shield is fixedly mounted on wellhead collar clamp head by mechanical lock.
During the utility model application; resistance valve inserts oil well pipeline; plugging device is connected with hoop; upper and lower slip sleeve is contained in slips guard shield in the hoop side of well mouth of oil well by slips guard shield; guard shield fin is stuck between the card ear outside upper and lower slips connecting bolt; righting tube connector is enclosed within hoop, and slips guard shield protection slips connecting bolt is not arbitrarily screwed and destroy.
According to Fig. 4, screwing device holds 52 by screwing device A, righting disc 53, and screwing device B holds 54 compositions.Screwing device is dismounting instrument of the present utility model, and screwing device A end is six prismatics, and identical with plugging device end face indent hexagonal plate hole dimension, the other end is righting disc, and righting disc external diameter is identical with lock housing internal diameter, has hexagonal screwing device B to hold outside righting disc.In the screwing device A end insertion plugging device that in plugging device, hexagonal plate hole dimension is identical, hexagon plate hole is meshing screws, and namely can realize dismounting.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (10)
1. an anti-theft plugging device, it is characterized in that: comprise resistance valve, plugging device, sampler, mechanical lock, described resistance valve, plugging device, mechanical lock are linked in sequence, and described sampler is after mechanical lock is separated with plugging device, and sampler is connected with plugging device.
2. a kind of anti-theft plugging device according to claim 1, is characterized in that: also comprise slips guard shield, and described slips guard shield is fixedly mounted on wellhead collar clamp head by mechanical lock.
3. a kind of anti-theft plugging device according to claim 1 and 2, it is characterized in that: also comprise screwing device, described screwing device one end is six prismatics, identical with plugging device end face indent hexagonal plate hole dimension, the other end is righting disc, righting disc external diameter is identical with lock housing internal diameter, righting disc arranged outside six prismatic plate body.
4. a kind of anti-theft plugging device according to claim 3, it is characterized in that: described resistance valve is hollow section, hollow section inside arranges valve seat stand, valve seat is arranged on valve seat stand front, overflow gland by valve ball, hold out against spring order be arranged in hollow section, the valve seat stand back side for interlock push rod.
5. a kind of anti-theft plugging device according to claim 4, is characterized in that: described overflow gland arranges inlet opening.
6. a kind of anti-theft plugging device according to claim 3, is characterized in that: described plugging device is the centrum of hollow, and centrum arranges plate hole.
7. a kind of anti-theft plugging device according to claim 3, it is characterized in that: described mechanical lock is made up of lock housing and lock core, lock core is positioned at lock housing inside, and described plugging device is connected with servo-actuated lock housing.
8. a kind of anti-theft plugging device according to claim 3, is characterized in that: described sampler is by tube connector, and valve rod, valve body, pressure cap, handwheel forms, and after tube connector, valve body pressure cap are linked in sequence, middle part forms pipe path, and valve rod is through pipe path.
9. a kind of anti-theft plugging device according to claim 8, is characterized in that: arrange sampling fluid passage in the middle part of described valve rod, valve rod is connected with handwheel.
10. a kind of anti-theft plugging device according to claim 9, is characterized in that: the sampling fluid passage of described valve rod liquid outlet position is bent angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007294.0U CN204371201U (en) | 2015-01-07 | 2015-01-07 | A kind of anti-theft plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007294.0U CN204371201U (en) | 2015-01-07 | 2015-01-07 | A kind of anti-theft plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371201U true CN204371201U (en) | 2015-06-03 |
Family
ID=53327430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520007294.0U Expired - Fee Related CN204371201U (en) | 2015-01-07 | 2015-01-07 | A kind of anti-theft plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204371201U (en) |
-
2015
- 2015-01-07 CN CN201520007294.0U patent/CN204371201U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20170107 |