CN204664593U - A kind of anti-theft device for production tree valve - Google Patents
A kind of anti-theft device for production tree valve Download PDFInfo
- Publication number
- CN204664593U CN204664593U CN201520092551.5U CN201520092551U CN204664593U CN 204664593 U CN204664593 U CN 204664593U CN 201520092551 U CN201520092551 U CN 201520092551U CN 204664593 U CN204664593 U CN 204664593U
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- CN
- China
- Prior art keywords
- lock tube
- valve
- base plate
- locking
- handwheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of anti-theft device for production tree valve, it comprises: interior lock tube, there is interior lock tube base plate, its side has multiple limiting component extended to handwheel direction, containing groove is formed between two adjacent limiting components, connect the cross bar of core wheel and outer rim with accommodating handwheel, at least one of multiple limiting component also offers locking hole; Exterior lock tube, there is exterior lock tube base plate, its side has around its periphery and the wall extended to valve body direction, exterior lock tube base plate and wall form the containing space that has opening, described multiple limiting component is placed in containing space by this opening, the outer surface of wall is arranged in the prominent part of the wheel corresponding with described locking hole position and locks locking part, and wheel lock has the female first passage of band in locking part; Locking bar, outer surface has the outside thread be screwed with described internal thread, can through first passage and locking hole with by interior lock tube and exterior lock tube sealed; And in order to screw the private key of locking bar.
Description
Technical field
The utility model relates to a kind of anti-theft device for valve, particularly relates to a kind of anti-theft device for production tree valve.
Background technique
Production tree is when carrying out test oil gas after oil (gas) well completion, or a kind of control head when flowing well and machine-pumped oil well etc. recover the oil.It is made up of tubing hanger and many valves and threeway or four-way, is directly contained on casing head.Important control valve is wherein primarily of formations such as valve body, flashboard, valve rod and handwheels.
In area under one's jurisdiction there is the frequently stolen phenomenon such as oil production equipment, crude oil in remote unattended well station, oil gas field, and especially production tree valve handle is stolen the most common.Because production tree valve mostly is manual flat valve, and handwheel storage level is limited, once handwheel can not be equipped with after losing in time, this just produces for oil security and brings great risk.Meanwhile, the event stealing crude oil also frequently occurs, and national wealth is sustained a loss.
Therefore, be badly in need of one and both prevented handwheel stolen, prevent again the device that crude oil is stolen, solve the problems referred to above.
In the prior art, publication number is that the model utility of CN203308874U discloses a kind of hand wheel antitheft device, comprises valve rod, upper cover, screw, side screw, steel ball, locking nut, handwheel, strong, Stem Mut, wherein: Stem Mut is enclosed within valve rod, handwheel is arranged on Stem Mut by strong, the lower end of handwheel is blocked by the annular boss structure on Stem Mut, the upper end of handwheel, compressed by locking nut, screw is tightened in locking nut, axially hold out against handwheel, the outer wall of locking nut is with pit, steel ball is embedded in pit, upper cover is enclosed within the outside of locking nut, the inwall of upper cover is with two bowl configurations, for clamping steel ball, a bowl configurations radial direction of upper cover inwall is threaded hole, side screw is arranged in tapped hole, the object of hand wheel anti-theft is reached with this.
In addition, publication number is that the model utility of CN 2534365Y discloses a kind of antitheft eccentric chritsmas tree relating to oil field, be mainly used in preventing crude oil stolen, it is made up of suspension body, big four and valve, wherein, the eccentric suspension body of miniature dimensions connects valve, on the gland of valve, inner chamber sits the through hole having the reeded metal cover of outer wall to make the corresponding gland of the groove of cover, corresponding gland through hole secure shroud makes the push rod precession gland through hole in guard shield and withstands the groove of cover, reaches the object of crude oil theft with this.
But above-mentioned prior art only can reach wherein a kind of object of hand wheel anti-theft or crude oil theft, and structure is more complicated, fabricating cost is high, installation is inconvenient, even need whole valve to remove installation anti-theft device, not only waste of manpower but also lose time.
Therefore, be badly in need of the anti-theft device that a kind of structure is simple, fabricating cost is cheap and easy for installation, solve production tree valve handle and the frequently stolen present situation of crude oil simultaneously.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of anti-theft device for production tree valve, to reach the object that valve handle is antitheft and crude oil is antitheft.
For reaching above-mentioned purpose, the anti-theft device for production tree valve of the present utility model comprises:
Interior lock tube, comprising: central authorities are provided with the interior lock tube base plate of center hole, are arranged between valve body and handwheel, and the valve rod of valve is connected with handwheel through described center hole; The side of described interior lock tube base plate has multiple limiting component extended to handwheel direction; Be formed with containing groove between two adjacent described limiting components, connect the cross bar of core wheel and outer rim with accommodating handwheel; At least one of described multiple limiting component also offers locking hole;
Exterior lock tube, comprising: exterior lock tube base plate; Described exterior lock tube base plate side has around its periphery and the wall extended to valve body direction; Described exterior lock tube base plate and wall form the containing space that has opening; Described multiple limiting component is placed in containing space by described opening; The outer surface of described wall is arranged in the prominent part of the wheel corresponding with described locking hole position and locks locking part, and described wheel in lock locking part has the female first passage of band;
Locking bar, outer surface has the outside thread be screwed with described internal thread, one end of described locking bar has one and screws portion, locking hole described in described channel alignment is inserted locking bar and rotates and screws portion, locking bar is made to pass first passage and locking hole, described interior lock tube and exterior lock tube can be locked in together, handwheel can not arbitrarily be pulled down.
Wherein, described interior lock tube base plate has the extending part extended to outside valve body, described extending part is arranged in the prominent part of perpendicular block of valve locking part, there is in described block of valve locking part the female second channel of band; Described locking bar is inserted described second channel and rotate and screw portion, make its one end contact away from the portion of screwing on valve body, the hand wheel rotating of valve can be prevented.
Wherein, described wall has the extending part extended to outside valve body, described extending part is arranged in the prominent part of perpendicular block of valve locking part, there is in described block of valve locking part the female second channel of band; Described locking bar is inserted described passage and rotate and screw portion, make its one end contact away from the portion of screwing on valve body, the hand wheel rotating of valve can be prevented.
Wherein, described locking bar is at least two, to be arranged at respectively in described first passage and second channel.
Wherein, the cross section screwing portion described in is equilateral triangle.
Wherein, when described one end contact away from the portion of screwing is on valve body or through after locking hole, described in the portion of screwing be arranged in passage.
Wherein, also comprise a key that described locking bar can be driven to rotate, it has: make the holding part that user holds; Aligned portions, described aligned portions is provided with and screws the corresponding groove of portion's shape with described, described in the portion of screwing can be placed in described groove; And connect the joint of institute holding part and aligned portions.
Wherein, described interior lock tube base plate and exterior lock tube base plate are circle.
Wherein, the diameter of described exterior lock tube base plate is greater than the diameter of interior lock tube base plate.
Wherein, described limiting component is along its edge uniform to encircle in column perpendicular to described interior lock tube base plate.
Compared with existing valve or hand wheel antitheft device, advantage of the present utility model is:
1, have the dual functions of hand wheel anti-theft and crude oil theft concurrently and control flexibly.Not only prevented handwheel stolen but also can not affect the normal use of valve when needed by the mode of locking respectively.
2, by triangle or square etc., especially the locking bar portion of screwing of the special shape of equilateral triangle is arranged, and reaches the antitheft object that non-dedicated key can not be opened.
3, the utility model is easy and simple to handle, can set on existing valve carry out theft-prevention applications at oil extraction in oil field.
4, the utility model structure is simple, fabricating cost is low.Its fabricating cost well below the fabricating cost of handwheel, and more lower than the value of crude oil, therefore, it is possible to the real economic loss reducing oil field, produces larger economic benefit.
Accompanying drawing explanation
Fig. 1 a and Fig. 1 b is respectively longitudinal sectional drawing and the transverse cross-sectional view of the anti-theft device for rising stem (RS.) valve described in the utility model.
Fig. 2 a and Fig. 2 b is respectively longitudinal sectional drawing and the transverse cross-sectional view of the anti-theft device for ono-rising-stem valve described in the utility model.
Fig. 3 is the scheme of installation of the anti-theft device for rising stem (RS.) valve described in the utility model.
Fig. 4 is the scheme of installation of the anti-theft device for ono-rising-stem valve described in the utility model.
Fig. 5 is anti-theft device private key stereogram described in the utility model and partial enlarged drawing.
[primary clustering symbol description]
1 locking bar
Lock tube in 2
Lock tube base plate in 21
22 center holes
23 limiting components
24 containing grooves
25 locking holes
3 exterior lock tubes
31 exterior lock tube base plates
32 walls
33 containing spaces
4 extending parts
5 take turns lock locking part
51 first passages
6 block of valve locking parts
62 second channels
7 keys
8 valve bodies
9 handwheels
10 valve rods
11 platforms
Embodiment
For absolutely proving the purpose of this utility model, feature and effect, existing by following specific embodiment, and coordinate accompanying drawing, the utility model is described in detail:
Production tree in oil field valve used is generally divided into rising stem (RS.) valve and ono-rising-stem valve two kinds.As shown in Fig. 1 a, Fig. 1 b, Fig. 3 and Fig. 5, the anti-theft device for rising stem (RS.) valve described in the utility model comprises: interior lock tube 2, exterior lock tube 3, locking bar 1 and key 7.Wherein, interior lock tube 2 has the base plate 21 that central authorities are provided with center hole 22, and described base plate 21 the best is circular.The side of base plate 21 have multiple to same direction vertically extending limiting component 23, this limiting component 23 can be the shape such as tabular, column.In the present embodiment, the limiting component 23 of described multiple curved tabular is uniform and encircle in column, to form a cylindrical chamber along base plate 21 edge.Containing groove 24 is formed between two adjacent limiting components 23.At least one of described multiple limiting component 23 also offers locking hole 25, inserts for locking bar 1.In addition, interior lock tube base plate 21 also has an extending part 4 oppositely extended with limiting component 23, this extending part 4 is arranged in the prominent part of perpendicular block of valve locking part 6, and there is in this block of valve locking part 6 the female second channel 61 of band.
Wherein, exterior lock tube 3 has an exterior lock tube base plate 31, and its shape take circle as the best.The side of described exterior lock tube base plate 31 has the wall 32 vertically extended around its periphery and to same direction.Described wall 32 and exterior lock tube base plate 31 form the containing space 33 that has opening jointly, when exterior lock tube base plate 31 is circle, this exterior lock tube 3 for one end close, the cylinder of the other end opening.The outer surface of described wall 32 is arranged in the prominent part of the wheel corresponding with described locking hole 25 position and locks locking part 5, and this is taken turns in lock locking part 5 and is provided with the first passage 51 that band is female, run through wheel lock locking part 5 and wall 32.
Locking bar 1 is Cylindrical object, and its outer surface has the outside thread be screwed with described internal thread, and its one end also has one in order to what exert a force to locking bar 1 screws portion, and this cross section screwing portion can be square or triangle, is especially good with equilateral triangle.Namely this portion of screwing is square or a triangular bump, is especially good with equilateral triangle projection.
Correspondingly, as shown in Figure 5, can to exert a force to described locking bar 1 and the key 7 driving it to rotate has an aligned portions, this aligned portions is the Cylindrical object that cross section is slightly less than described first passage 51, the side of Cylindrical object has and screws the corresponding groove of portion's shape with described, and this groove can make the portion of screwing in the inner accommodating.The opposite side of described Cylindrical object (aligned portions) is connected with a holding part by a junction.Private key described in the utility model is formed with this.
As shown in Figure 3, the sheath connecting valve rod in use, is first pulled down to unload handwheel 9, interior lock tube 2 is had the side of extending part 4 towards valve body 8, valve rod 10 is passed by center hole 22, enters cylindrical chamber by the above-mentioned anti-theft device for rising stem (RS.) valve.Again handwheel 9 is put back to original position, the cross bar making handwheel 9 connect core wheel and outer rim is placed in containing groove 24.Sheath and valve rod 10 are screwed togather that handwheel 9 is fixed on original place.Now, interior lock tube base plate 21 is between valve body 8 and handwheel 9, and multiple limiting component extends towards handwheel 9 direction and encircles around sheath through the gap of handwheel 9, and the gap that extending part 4 is through handwheel 9 is positioned at and close to outside valve body 8.Then, be nested with by exterior lock tube 3 outside interior lock tube 2, that is, make described multiple limiting component 23 enter in containing space 33 by the opening of exterior lock tube 3, meanwhile, sheath is also enclosed in exterior lock tube 3, and now the wall 32 of exterior lock tube 3 extends towards valve body direction.Rotate exterior lock tube 3, the wheel first passage 51 locked on locking part 5 is made to aim at one of them locking hole 25 on interior lock tube 2 limiting component 23, insert locking bar 1, and the portion of screwing is placed in the cavity volume in key alignment portion, locking bar 1 screws in first passage 51 and makes it run through first passage 51 and locking hole 25 by rotation key, to be locked in together with exterior lock tube 3 by interior lock tube 2, thus reach the object of hand wheel anti-theft.When inside and outside lock tube is sealed, handwheel can not be removed, and does not affect hand wheel rotating again, and valve can be made normally to work output crude oil.When another one locking bar 1 being inserted second channel 61 and screwing, until its one end away from the portion of screwing protrude from block of valve locking part 6 and contact on valve body 8 time, because the concavity and convexity in the shell face of valve body 8 own constructs, make locking bar 1 can prop up valve body 8 better, such as, when being applied in the valve body 8 with platform 11, locking bar 1 can contact at the flat surface of platform 11, its end face is contacted completely, to increase surface friction drag with this flat surface.When for rotating clockwise handwheel, due to locking bar 1 and the larger surface friction drag of platform 11, handwheel can not be rotated, valve cisco unity malfunction, reaches the object of crude oil theft with this.
As shown in Fig. 2 a, Fig. 2 b and Fig. 4, anti-theft device of the present utility model also has a kind of structure being applicable to ono-rising-stem valve, its principle be applicable to the roughly the same of rising stem (RS.) valve, the structure characteristic of inside and outside lock tube be applicable to the also roughly the same of rising stem (RS.) valve.Uniquely unlike: extending part 4 is all arranged on exterior lock tube 3 together with the block of valve locking part 6 on it and second channel 61; Wherein, extending part 4 is the outsides being arranged at wall 32, and it is identical with the bearing of trend of wall 32, and when exterior lock tube 3 is nested with when interior lock tube 2 is outer, this extending part 4 is positioned at and close to the outside of valve body 8.Wherein, the structure characteristic of block of valve locking part 6 and second channel 61 and position and rising stem (RS.) anti-theft device is identical.
The usage mode of above-mentioned dark bar anti-theft device is also roughly the same with rising stem (RS.) anti-theft device.As shown in Figure 4, first the handwheel pin connecting valve rod is pulled down to unload handwheel 9, interior lock tube 2 is not had the side of limiting component 23 towards valve body 8, valve rod 10 is passed by center hole 22, enters cylindrical chamber.Again handwheel 9 is put back to original position, the cross bar making handwheel 9 connect core wheel and outer rim is placed in containing groove 24.The through hole of handwheel pin along valve rod 10 radial direction is inserted so that handwheel 9 is fixed on original place.Now, interior lock tube base plate 21 is between valve body 8 and handwheel 9, and multiple limiting component is that the gap towards the extension of handwheel direction and through handwheel 9 encircles around valve rod 10.Then, exterior lock tube 3 is nested with outside interior lock tube 2, namely, described multiple limiting component 23 is made to enter in containing space 33 by the opening of exterior lock tube 3, simultaneously, handwheel pin is also enclosed in exterior lock tube 3, now the wall 32 of exterior lock tube 3 extends towards valve body direction, and the gap that the extending part 4 on wall 32 is through handwheel 9 is positioned at and close to outside valve body 8.Rotate exterior lock tube 3, the wheel first passage 51 locked on locking part 5 is made to aim at one of them locking hole 25 on interior lock tube 2 limiting component 23, insert locking bar 1, and the portion of screwing is placed in the cavity volume in key alignment portion, locking bar 1 screws in first passage 51 and makes it run through first passage 51 and locking hole 25 by rotation key, to be locked in together with exterior lock tube 3 by interior lock tube 2, thus reach the object of hand wheel anti-theft.When inside and outside lock tube is sealed, handwheel can not be removed, and does not affect hand wheel rotating again, and valve can be made normally to work output crude oil.When another one locking bar 1 being inserted second channel 61 and screwing, until its one end away from the portion of screwing protrude from block of valve locking part 6 and contact on valve body 8 time, because the concavity and convexity in the shell face of valve body 8 own constructs, make locking bar 1 can prop up valve body 8 better, such as, when being applied in the valve body 8 with platform 11, locking bar 1 can contact at the flat surface of platform 11, make its circular end face and this flat surface Full connected, to increase surface friction drag.When for rotating clockwise handwheel, due to locking bar 1 and the larger surface friction drag of platform 11, handwheel can not be rotated, valve cisco unity malfunction, reaches the object of crude oil theft with this.
Be understood that, above embodiment is only preferred forms, can not be interpreted as restriction of the present utility model, wherein, the shape of limiting component 23 and number are not all subject to the restriction of the present embodiment and accompanying drawing, as long as can reach spacing for the cross bar of the handwheel dismounting not affecting again handwheel sheath or pin in containing groove 24 simultaneously.And the portion that screws of locking bar 1 is except can be square or triangular bump, can also be cylindrical body, and this cylindrical body has square or a triangular groove away from one end of screw thread, especially with equilateral triangle connected in star for the best.Correspondingly, the aligned portions of key 7 is the projection corresponding with the described groove shapes screwing portion, and this projection can make aligned portions be placed in the portion of screwing.
Can be understood as, the utility model is described by some embodiments, and those skilled in the art, when not departing from spirit and scope of the present utility model, can carry out various change or equivalence replacement to these characteristic sum embodiment.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material to these characteristic sum embodiment and spirit and scope of the present utility model can not be departed from.Therefore, the utility model is not by the restriction of specific embodiment disclosed herein, and the embodiment in the right of all the application of falling into belongs to protection domain of the present utility model.
Claims (10)
1. for an anti-theft device for production tree valve, comprising: interior lock tube (2), exterior lock tube (3) and locking bar (1); It is characterized in that,
Described interior lock tube (2) comprising: central authorities are provided with the interior lock tube base plate (21) of center hole (22), be arranged between valve body (8) and handwheel (9), the valve rod of valve is connected with handwheel (9) through described center hole (22); The side of described interior lock tube base plate (21) has multiple limiting component (23) extended to handwheel (9) direction; Be formed with containing groove (24) between two adjacent described limiting components (23), connect the cross bar of core wheel and outer rim with accommodating handwheel (9); At least one of described multiple limiting component (23) also offers locking hole (25);
Described exterior lock tube (3) comprising: exterior lock tube base plate (31); Described exterior lock tube base plate (31) side has around its periphery and the wall (32) extended to valve body (8) direction; Described exterior lock tube base plate (31) and wall (32) form the containing space (33) that has opening; Described multiple limiting component (23) is placed in containing space (33) by described opening; The outer surface of described wall (32) is arranged in the prominent part of the wheel corresponding with described locking hole (25) position and locks locking part (5), and described wheel in lock locking part (5) has the female first passage of band (51);
Described locking bar (1) outer surface has the outside thread be screwed with described internal thread, one end of described locking bar (1) has one and screws portion, locking hole (25) described in described channel alignment is inserted locking bar (1) and rotates and screws portion, make locking bar (1) through first passage (51) and locking hole (25), described interior lock tube (2) and exterior lock tube (3) can be locked in together, handwheel (9) can not arbitrarily be pulled down.
2. anti-theft device as claimed in claim 1, it is characterized in that, described interior lock tube base plate (21) has the extending part (4) extending to valve body (8) outside, described extending part (4) is arranged in the prominent part of perpendicular block of valve locking part (6), there is in described block of valve locking part (6) the female second channel of band (61); Described locking bar (1) is inserted described second channel (61) and rotates and screw portion, make its one end contact away from the portion of screwing on valve body (8), can prevent the handwheel (9) of valve from rotating.
3. anti-theft device as claimed in claim 1, it is characterized in that, described wall (32) has the extending part (4) extending to valve body (8) outside, described extending part (4) is arranged in the prominent part of perpendicular block of valve locking part (6), there is in described block of valve locking part (6) the female second channel of band (61); Described locking bar (1) is inserted described passage and rotate and screw portion, make its one end contact away from the portion of screwing on valve body (8), can prevent the handwheel (9) of valve from rotating.
4. anti-theft device as claimed in claim 2 or claim 3, it is characterized in that, described locking bar (1) is at least two, to be arranged at described first passage (51) respectively with second channel (61).
5. as claimed any one in claims 1 to 3 anti-theft device, is characterized in that, described in screw portion cross section be equilateral triangle.
6. the anti-theft device according to any one of Claims 2 or 3, is characterized in that, described one end contact away from the portion of screwing when valve body (8) is upper or through after locking hole (25), described in the portion of screwing be arranged in passage.
7. anti-theft device as claimed in claim 1, it is characterized in that, also comprise a key (7) that described locking bar (1) can be driven to rotate, it has: make the holding part that user holds; Aligned portions, described aligned portions is provided with and screws the corresponding groove of portion's shape with described, described in the portion of screwing can be placed in described groove; And connect the joint of institute holding part and aligned portions.
8. anti-theft device as claimed in claim 1, it is characterized in that, described interior lock tube base plate (21) and exterior lock tube base plate (31) are circle.
9. anti-theft device as claimed in claim 8, it is characterized in that, the diameter of described exterior lock tube base plate (31) is greater than the diameter of interior lock tube base plate (21).
10. anti-theft device as claimed in claim 8, is characterized in that, described limiting component (23) is uniform to encircle in column along its edge perpendicular to described interior lock tube base plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092551.5U CN204664593U (en) | 2015-02-09 | 2015-02-09 | A kind of anti-theft device for production tree valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092551.5U CN204664593U (en) | 2015-02-09 | 2015-02-09 | A kind of anti-theft device for production tree valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204664593U true CN204664593U (en) | 2015-09-23 |
Family
ID=54134976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520092551.5U Expired - Fee Related CN204664593U (en) | 2015-02-09 | 2015-02-09 | A kind of anti-theft device for production tree valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204664593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990040A (en) * | 2017-11-30 | 2018-05-04 | 长园共创电力安全技术股份有限公司 | Rising stem valve door lock and intelligent lock control system |
| CN108443573A (en) * | 2018-03-22 | 2018-08-24 | 长园共创电力安全技术股份有限公司 | Valve lockset and valve managing and control system |
-
2015
- 2015-02-09 CN CN201520092551.5U patent/CN204664593U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990040A (en) * | 2017-11-30 | 2018-05-04 | 长园共创电力安全技术股份有限公司 | Rising stem valve door lock and intelligent lock control system |
| CN108443573A (en) * | 2018-03-22 | 2018-08-24 | 长园共创电力安全技术股份有限公司 | Valve lockset and valve managing and control system |
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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 |
Granted publication date: 20150923 Termination date: 20160209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |