CN206522115U - A kind of packing box of oil production wellhead sealing device - Google Patents

A kind of packing box of oil production wellhead sealing device Download PDF

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Publication number
CN206522115U
CN206522115U CN201720217618.2U CN201720217618U CN206522115U CN 206522115 U CN206522115 U CN 206522115U CN 201720217618 U CN201720217618 U CN 201720217618U CN 206522115 U CN206522115 U CN 206522115U
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CN
China
Prior art keywords
box body
sealant
sealing
ring flange
oil production
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Application number
CN201720217618.2U
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Chinese (zh)
Inventor
刘书京
靳磊
张延岭
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Beijing Jinghong Petroleum Drilling & Engineering Technology Co Ltd
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Beijing Jinghong Petroleum Drilling & Engineering Technology Co Ltd
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Priority to CN201720217618.2U priority Critical patent/CN206522115U/en
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Publication of CN206522115U publication Critical patent/CN206522115U/en
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Abstract

The utility model discloses a kind of packing box of oil production wellhead sealing device, including box body, the box body is internally provided with support bar, one end of the box body is fixedly connected with ring flange, the side of the ring flange is integrally formed with projection, the projection extends to the inside of box body, the opposite side of the ring flange is fixedly connected with closure, one end of the support bar sequentially passes through ring flange and closure and extends to the outside of box body, the inside of the box body is respectively arranged with the first sealant and the second sealant, first sealant and the second sealant are set in the outer surface of support bar.The utility model between the first sealant and the second sealant by connecting rod by will be connected, sealing gasket in second sealant offers a point pad, can be while packing box sealing be kept, the friction between sealing gasket and box body can be reduced, so as to be convenient for changing packing, the time can be saved, it is possible to increase operating efficiency.

Description

A kind of packing box of oil production wellhead sealing device
Technical field
The utility model is related to technical field of petroleum extraction, specially a kind of packing box of oil production wellhead sealing device.
Background technology
Oil is the buried fluid mineral in underground.Initial people claim oil the oily liquids mineral that nature is produced, Claim natural gas fuel gas, claim pitch the oily mineral of solid combustible.Go deep into to these mineral researchs, it is understood that it Belong to hydrocarbon compound in composition, be mutually related in the origin cause of formation, therefore they are referred to as oil.Oil is to include nature The complex mixture of gaseous state present in boundary, liquid and solid hydrocarbon compound and a small amount of impurity composition.In oil exploitation During, it is necessary to set sealing structure in well head, but the sealing structure sealing effectiveness that general packing box is used is bad, and Be inconvenient to carry out replacing packing, influence operating efficiency.
Utility model content
The purpose of this utility model is to provide a kind of packing box of oil production wellhead sealing device, and work can be improved by possessing The advantage of efficiency, solves inconvenient problem with use in the prior art.
To achieve the above object, the utility model provides following technical scheme:A kind of packing box of oil production wellhead is filled with sealing Put, including box body, the box body is internally provided with support bar, and one end of the box body is fixedly connected with ring flange, the method The side of blue disk is integrally formed with projection, and the projection extends to the inside of box body, and the opposite side of the ring flange is fixedly connected There is closure, one end of the support bar sequentially passes through ring flange and closure and extends to the outside of box body, the box body Inside is respectively arranged with the first sealant and the second sealant, and first sealant and the second sealant are set in support bar Outer surface, be fixedly connected between first sealant and the second sealant by connecting rod.
It is preferred that, one end of the box body is integrally formed with the chimb of outside bending, and the outer surface of the chimb is offered The neck of annular, the lower surface of the ring flange is integrally formed with the fixture block being adapted with neck.
It is preferred that, first sealant includes two the first sealing plates, and is provided with phase between two the first sealing plates Mutually the second sealing gasket and the first sealing gasket staggeredly, the upper side wall connection of second sealing gasket and box body, described first seals Pad is connected with the lower wall of box body.
It is preferred that, second sealant includes two the second sealing plates, and is provided between two the second sealing plates 3rd sealing gasket of even distribution.
It is preferred that, the 3rd sealing gasket include connection sheet, the outside of the connection sheet integrally formed with two diaphragm seals, The upper surface of the connection sheet offers the through hole being adapted with support bar.
It is preferred that, the outer surface of the box body offers spiral helicine groove, and the groove is internally provided with reinforcement.
Compared with prior art, the beneficial effects of the utility model are as follows:
1st, the utility model, being capable of stopping-off piece by setting the first sealant and the second sealant respectively in the inside of box body The sealing effectiveness of root box, more preferably can avoid oil from revealing, and can avoid causing damage, can bring more effects Benefit, and used cooperatively by the first sealant and the second sealant, the time that packing box keeps sealing can be extended, be not required to Packing is often changed, is conducive to extending the service life of packing, cost can be saved.
2nd, the utility model is between the first sealant and the second sealant by connecting rod by will be connected, and first close Sealing gasket in sealing is interlaced, and the sealing gasket in the second sealant offers a point pad, can keep packing box sealing While property, the friction between sealing gasket and box body can be reduced, so as to be convenient for changing packing, the time can be saved, energy Enough improve operating efficiency.
Brief description of the drawings
Fig. 1 is the utility model profile;
Fig. 2 is the utility model the first sealant enlarged drawing;
Fig. 3 is the utility model the second sealant enlarged drawing;
Fig. 4 is the utility model box body side view;
Fig. 5 is the gasket structure schematic diagram of the utility model the 3rd.
In figure:1 box body, 2 fixture blocks, 3 ring flanges, 4 support bars, 5 closures, 6 chimbs, 7 necks, 8 projections, 9 first sealings Layer, 10 connecting rods, 11 second sealants, 12 first sealing plates, 13 first sealing gaskets, 14 second sealing gaskets, 15 grooves, 16 are strengthened Muscle, 17 second sealing plates, 18 the 3rd sealing gaskets, 181 diaphragm seals, 182 connection sheets, 183 through holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-5, a kind of packing box of oil production wellhead sealing device, including box body 1, box body 1 is internally provided with Support bar 4, one end of box body 1 is fixedly connected with ring flange 3, one end of box body 1 integrally formed with outside bending chimb 6, it is convex The outer surface on side 6 offers the neck 7 of annular, the lower surface of ring flange 3 integrally formed with the fixture block 2 being adapted with neck 7, It can make what is connected between ring flange 3 and box body 1 more to stablize and close, packing box can be avoided, which loosening occur, causes oil to be let out The phenomenon of leakage, can strengthen the sealing of packing box, can avoid causing damage, the side of ring flange 3 is integrally formed with projection 8, projection 8 extends to the inside of box body 1, and the opposite side of ring flange 3 is fixedly connected with closure 5, can not only make ring flange 3 with What is connected between box body 1 more stablizes, and conveniently dismantles ring flange 3, can avoid influenceing the dismounting of screw, be conducive to section Save time, one end of support bar 4 sequentially passes through ring flange 3 and closure 5 and the outside for extending to box body 1, the interior part of box body 1 The first sealant 9 and the second sealant 11 are not provided with, by setting the first sealant 9 and second respectively in the inside of box body 1 Sealant 11, can strengthen the sealing effectiveness of packing box, more preferably oil can be avoided to reveal, and can avoid causing to damage Lose, more benefits can be brought, the first sealant 9 includes two the first sealing plates 12, and between two the first sealing plates 12 Interlaced the second sealing gasket 14 and the first sealing gasket 13 is provided with, the second sealing gasket 14 is connected with the upper side wall of box body 1, the One sealing gasket 13 is connected with the lower wall of box body 1, is used cooperatively, can extended by the first sealant 9 and the second sealant 11 Packing box is kept for the time of sealing, it is not necessary to often change packing, is conducive to extending the service life of packing, can be saved into This, the second sealant 11 includes two the second sealing plates 17, and equally distributed the is provided between two the second sealing plates 17 Three sealing gaskets 18, the 3rd sealing gasket 18 include connection sheet 182, the outside of connection sheet 182 integrally formed with two diaphragm seals 181, It can reduce the friction between sealing gasket and box body 1, while packing box sealing is kept so as to be convenient for changing Packing, can save the time, it is possible to increase operating efficiency, and the upper surface of connection sheet 182 offers be adapted with support bar 4 logical Hole 183, the first sealant 9 and the second sealant 11 are set in the outer surface of support bar 4, the first sealant 9 and the second sealing It is fixedly connected between layer 11 by connecting rod 10, the outer surface of box body 1 offers spiral helicine groove 15, and the inside of groove 15 is set Reinforcement 16 is equipped with, the intensity of box body 1 can be strengthened, box body 1 can be avoided to be damaged, it is to avoid the sealing of influence packing box Property, and be conducive to extending the service life of packing box.
In summary:The packing box of oil production wellhead sealing device, by setting the first sealing respectively in the inside of box body 1 The sealant 11 of layer 9 and second, can strengthen the sealing effectiveness of packing box, more preferably oil can be avoided to reveal, can keep away Exempt to cause damage, more benefits can be brought, and used cooperatively by the first sealant 9 and the second sealant 11, can be with Extend the time that packing box keeps sealing, it is not necessary to often change packing, be conducive to extending the service life of packing, Ke Yijie Cost-saving, solves inconvenient problem with use in the prior art.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that Also there is other identical element in the process including the key element, method, article or equipment ", and occur in this article Electric elements electrically connect with extraneous main controller and 220V or 110V civil powers, and main controller can be that computer etc. be played The conventionally known equipment of control.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of packing box of oil production wellhead sealing device, including box body (1), it is characterised in that:The inside of the box body (1) is set Be equipped with support bar (4), one end of the box body (1) is fixedly connected with ring flange (3), the side one of the ring flange (3) into Type has a projection (8), and the projection (8) extends to the inside of box body (1), and the opposite side of the ring flange (3) is fixedly connected with close Cover (5), one end of the support bar (4) sequentially passes through ring flange (3) and closure (5) and the outside for extending to box body (1), The inside of the box body (1) is respectively arranged with the first sealant (9) and the second sealant (11), first sealant (9) and Second sealant (11) is set in the outer surface of support bar (4), between first sealant (9) and the second sealant (11) It is fixedly connected by connecting rod (10).
2. a kind of packing box of oil production wellhead sealing device according to claim 1, it is characterised in that:The box body (1) One end integrally formed with the chimb (6) of outside bending, the outer surface of the chimb (6) offers the neck (7) of annular, institute The lower surface of ring flange (3) is stated integrally formed with the fixture block (2) being adapted with neck (7).
3. a kind of packing box of oil production wellhead sealing device according to claim 1, it is characterised in that:First sealing Layer (9) includes two the first sealing plates (12), and the second interlaced sealing is provided between two the first sealing plates (12) (14) and the first sealing gasket (13) are padded, second sealing gasket (14) is connected with the upper side wall of box body (1), first sealing gasket (13) lower wall with box body (1) is connected.
4. a kind of packing box of oil production wellhead sealing device according to claim 1, it is characterised in that:Second sealing Layer (11) includes two the second sealing plates (17), and is provided with equally distributed 3rd sealing between two the second sealing plates (17) Pad (18).
5. a kind of packing box of oil production wellhead sealing device according to claim 4, it is characterised in that:3rd sealing Padding (18) includes connection sheet (182), and the outside of the connection sheet (182) is integrally formed with two diaphragm seals (181), the connection The upper surface of piece (182) offers the through hole (183) being adapted with support bar (4).
6. a kind of packing box of oil production wellhead sealing device according to claim 1, it is characterised in that:The box body (1) Outer surface offer spiral helicine groove (15), the groove (15) is internally provided with reinforcement (16).
CN201720217618.2U 2017-03-08 2017-03-08 A kind of packing box of oil production wellhead sealing device Active CN206522115U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720217618.2U CN206522115U (en) 2017-03-08 2017-03-08 A kind of packing box of oil production wellhead sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720217618.2U CN206522115U (en) 2017-03-08 2017-03-08 A kind of packing box of oil production wellhead sealing device

Publications (1)

Publication Number Publication Date
CN206522115U true CN206522115U (en) 2017-09-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720217618.2U Active CN206522115U (en) 2017-03-08 2017-03-08 A kind of packing box of oil production wellhead sealing device

Country Status (1)

Country Link
CN (1) CN206522115U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112647884A (en) * 2021-01-07 2021-04-13 中国石油天然气股份有限公司 Christmas tree wellhead sealing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112647884A (en) * 2021-01-07 2021-04-13 中国石油天然气股份有限公司 Christmas tree wellhead sealing device

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