CN207296945U - A kind of casing head being convenient for changing - Google Patents
A kind of casing head being convenient for changing Download PDFInfo
- Publication number
- CN207296945U CN207296945U CN201720927550.7U CN201720927550U CN207296945U CN 207296945 U CN207296945 U CN 207296945U CN 201720927550 U CN201720927550 U CN 201720927550U CN 207296945 U CN207296945 U CN 207296945U
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- CN
- China
- Prior art keywords
- casing
- sleeve pipe
- described sleeve
- head
- convenient
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Abstract
It the utility model is related to casing head technical field,And disclose a kind of casing head being convenient for changing,Including casing coupling,Casing head gland is both provided with the top and bottom of described sleeve pipe box cupling,The inside of described sleeve pipe head gland is installed with casing joint,The inner wall of described sleeve pipe connector is installed with two opposite limited blocks,Both ends of the opposite side of two limited blocks respectively with T-shaped supporting rod are fixedly connected,The side of described sleeve pipe head gland is arranged with rubber seal,The casing head being convenient for changing,By way of bolt positioning and internal leakproof,Can effectively it change at the scene of progress,It is simple to operate,Effectively raise packaging efficiency,Each interface internal is provided with leak-proof device,Reduce the outflow of liquid,All parts are processed using special equipment,It ensure that all parts dimensionally stable,Standardization is installed for product and creates condition,It is greatly lowered replacement cost.
Description
Technical field
Casing head technical field is the utility model is related to, is specially a kind of casing head being convenient for changing.
Background technology
Casing head is generally made of high-quality alloy steel, and casing hanger is also set up in casing head, to hang corresponding rule
Most of the casing string of lattice, casing head are used for the well head of fixed drilling well, connect wellhead casing pipe column, to support protective casing and
The gravity of production string, and annular clearance is sealed, the annular space between each layer pipe is sealed, for installation preventer, tubing head, is recovered the oil
Tree provides transition connection.
Casing head currently on the market is inconvenient to replace, so a kind of casing head being convenient for changing is proposed to solve above-mentioned institute
The problem of mentioning.
Utility model content
（One）The technical problem of solution
In view of the deficiencies of the prior art, the utility model provides a kind of casing head being convenient for changing, and possessing has conveniently more
The advantages of changing, solves the problems, such as that casing head currently on the market is inconvenient to replace.
（Two）Technical solution
To realize purpose that above-mentioned casing head is convenient for changing, the utility model provides following technical solution：One kind is convenient more
The casing head changed, including casing coupling, are both provided with casing head gland, described sleeve pipe head at the top and bottom of described sleeve pipe box cupling
The inside of gland is installed with casing joint, and the inner wall of described sleeve pipe connector is installed with two opposite limited blocks, institute
State both ends of two opposite sides of limited block respectively with T-shaped supporting rod to be fixedly connected, inside described sleeve pipe connector and be located at
Limited block is provided with filter screen close to the side of casing coupling, and the perforative filter screen in one end in the middle part of the T-shaped supporting rod simultaneously prolongs
Casing coupling is stretched to, restraining position ring block is fixedly mounted close to one end of casing coupling in the T-shaped supporting rod, and the spacing ring is close to set
The side of pipe box cupling is arranged with taper and blocks up block, and spring, the side set of described sleeve pipe head gland are arranged with the T-shaped supporting rod
Equipped with rubber seal, described sleeve pipe head gland is installed with circular orientation block, described sleeve pipe close to the side of casing coupling
Box cupling offers annular positioning groove corresponding with circular orientation block close to the side of casing head gland, at the top of described sleeve pipe box cupling and
Bottom is both provided with rubber sheet gasketing, and the screw thread using casing joint as symmetry axis is offered at the top of described sleeve pipe head gland
Hole, the screw top of described sleeve pipe head gland are connected with the bolt through threaded hole, and the top and bottom of described sleeve pipe box cupling are equal
Offer and offer casing coupling hole, described sleeve pipe box cupling with the corresponding thread groove of threaded hole, the inside of described sleeve pipe box cupling
It is installed with two or so relative positioning blocks in the middle part of the inner wall of hole, the inside in described sleeve pipe box cupling hole and positioned at locating piece
Top and bottom are both provided with filter screen, and two opposite sides of the locating piece are fixedly connected with the connecting rod, described in two
The opposite one end of connecting rod, which is installed with, pushes pin.
Preferably, the one end of described sleeve pipe connector away from casing coupling is run through and extends casing head gland.
Preferably, two described sleeve pipe head glands are symmetrical as symmetry axis using the horizontal median axis of casing coupling.
Preferably, the spring one end is fixedly mounted on T-shaped supporting rod, and the spring other end is fixedly mounted on taper
Block up on the top of block.
Preferably, the shape of the limited block, locating piece and rubber sheet gasketing is in annular shape.
Preferably, described sleeve pipe head gland connects by bolt-through threaded hole and with the thread groove screw thread on casing coupling
Connect.
Preferably, it is described to push pin through filter screen and extend casing coupling mouth.
Preferably, the rubber sheet gasketing diameter is less than the diameter of annular positioning groove.
（Three）Beneficial effect
Compared with prior art, the utility model provides a kind of casing head being convenient for changing, and possesses following beneficial effect：
1st, the casing head being convenient for changing, by way of bolt positioning and internal leakproof, is convenient for changing all parts,
Can effectively it change at the scene of progress, it is simple to operate, effectively raise packaging efficiency.
2nd, casing head being convenient for changing, by way of bolt positioning and internal leakproof, when replacing, in each interface
Portion is provided with leak-proof device, reduces the outflow of liquid, effectively raises the efficiency of replacement, all parts are using special
Equipment is processed, and ensure that all parts dimensionally stable, and installing standardization for product creates condition, replacement cost is greatly dropped
It is low.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is A schematic enlarged-scale views in the utility model Fig. 1；
Fig. 3 is the utility model structure top view.
In figure：1 casing head gland, 2 casing joints, 3 limited blocks, 4 bolts, 5 threaded holes, 6 thread grooves, 7 casing couplings, 8
Rubber seal, 9 springs, 10 connecting rods, 11 locating pieces, 12 T-shaped supporting rods, 13 tapers are blocked up block, 14 circular orientation blocks, 15
Annular positioning groove, 16 rubber sheet gasketings, 17 filter screens, 18 casing coupling holes, 19 push pin, 20 spacing rings.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-3, a kind of casing head being convenient for changing, including casing coupling 7, the top and bottom of casing coupling 7
Casing head gland 1 is both provided with, the inside of casing head gland 1 is installed with casing joint 2, and casing joint 2 connects away from casing
One end of hoop 7 is run through and extends casing head gland 1, and the inner wall of casing joint 2 is installed with two opposite limited blocks 3,
Both ends of the opposite side of two limited blocks 3 respectively with T-shaped supporting rod 12 are fixedly connected, inside casing joint 2 and positioned at limit
Position block 3 is provided with filter screen 17 close to the side of casing coupling 7, and the perforative filter screen 17 in one end at the middle part of T-shaped supporting rod 12 is simultaneously
Casing coupling 7 is extended to, restraining position ring block 20 is fixedly mounted close to one end of casing coupling 7 in T-shaped supporting rod 12, and spacing ring 20 is close
The side of casing coupling 7 is arranged with taper and blocks up block 13, and spring 9 is arranged with T-shaped supporting rod 12, and 9 one end of spring is fixedly mounted
On T-shaped supporting rod 12,9 other end of spring be fixedly mounted on taper block up block 13 top on, the side of casing head gland 1 set
Equipped with rubber seal 8, casing head gland 1 is installed with circular orientation block 14, casing coupling close to the side of casing coupling 7
7 offer annular positioning groove 15 corresponding with circular orientation block 14 close to the side of casing head gland 1, the top of casing coupling 7 and
Bottom is both provided with rubber sheet gasketing 16, and 16 diameter of rubber sheet gasketing is less than the diameter of annular positioning groove 15, casing head pressure
The top of lid 1 offers the threaded hole 5 for symmetry axis, the screw top of casing head gland 1 with casing joint 2 and is connected with through spiral shell
The bolt 4 of pit 5, the top and bottom of casing coupling 7 offer thread groove 6 corresponding with threaded hole 5, casing head gland
1 is threadedly coupled through threaded hole 5 and with the thread groove 6 on casing coupling 7 by bolt 4, and the inside of casing coupling 7 offers set
Pipe box cupling hole 18, two casing head glands 1 are symmetrical as symmetry axis using the horizontal median axis of casing coupling 7, casing coupling hole
It is installed with two or so relative positioning blocks 11 in the middle part of 18 inner walls, the inside in casing coupling hole 18 and is located at locating piece 11
Top and bottom be both provided with filter screen 17, the opposite side of two locating pieces 11 is fixedly connected with connecting rod 10, two
The opposite one end of connecting rod 10, which is installed with, pushes pin 19, pushes pin 19 through filter screen 17 and extends 7 mouthfuls of casing coupling, limits
The shape of position block 3, locating piece 11 and rubber sheet gasketing 16 is in annular shape.
Operation principle：When in use, the top and bottom of casing coupling 7 extend into spiral shell by bolt 4 through threaded hole 5
6 sets of groove is threadedly coupled with tube head gland 1, and when casing coupling 7 is subject to casing head gland 1 to extrude, 19 promotion tapers of pushing pin are blocked up
Buccal mass 13 moves casing head perforation to filter screen 17.
In conclusion the top and bottom of casing coupling 7 are both provided with casing head gland 1, the inside of casing head gland 1 is consolidated
Dingan County is equipped with casing joint 2, and the inner wall of casing joint 2 is installed with two opposite limited blocks 3, and two limited blocks 3 are opposite
Both ends of the side respectively with T-shaped supporting rod 12 be fixedly connected, the inside of casing joint 2 and connect positioned at limited block 3 close to casing
The side of hoop 7 is provided with filter screen 17, and restraining position ring block 20 is fixedly mounted close to one end of casing coupling 7 in T-shaped supporting rod 12, spacing
Ring 20 is arranged with taper close to the side of casing coupling 7 and blocks up block 13, and spring 9, casing head gland are arranged with T-shaped supporting rod 12
1 side is arranged with rubber seal 8, when casing head is replaced, pushes pin 19 in not stressing, and taper block 13 of blocking up is subject to bullet
The elastic force of spring 9 blocks rapidly outlet, has reached more convenient during replacement casing head, and liquid will not be spilt, the set being convenient for changing
Tube head, by way of bolt positioning and internal leakproof, is convenient for changing all parts, can effectively change at the scene of progress,
It is simple to operate, packaging efficiency is effectively raised, when replacing, each interface internal is provided with leak-proof device, reduces
The outflow of liquid, effectively raises the efficiency of replacement, and all parts are processed using special equipment, ensure that all parts
Dimensionally stable, installs standardization for product and creates condition, be greatly lowered replacement cost.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of casing head being convenient for changing, including casing coupling（7）, it is characterised in that：Described sleeve pipe box cupling（7）Top and
Bottom is both provided with casing head gland（1）, described sleeve pipe head gland（1）Inside be installed with casing joint（2）, the set
Pipe fitting（2）Inner wall be installed with two opposite limited blocks（3）, two limited blocks（3）Opposite side respectively with T-shaped
Supporting rod（12）Both ends be fixedly connected, described sleeve pipe connector（2）It is internal and be located at limited block（3）Close to casing coupling（7）
Side be provided with filter screen（17）, the T-shaped supporting rod（12）The perforative filter screen in one end at middle part（17）And extend to cover
Pipe box cupling（7）, the T-shaped supporting rod（12）Close to casing coupling（7）One end be fixedly mounted restraining position ring block（20）, it is described spacing
Ring（20）Close to casing coupling（7）Side be arranged with taper and block up block（13）, the T-shaped supporting rod（12）On be arranged with spring
（9）, described sleeve pipe head gland（1）Side be arranged with rubber seal（8）, described sleeve pipe head gland（1）Close to casing coupling
（7）Side be installed with circular orientation block（14）, described sleeve pipe box cupling（7）Close to casing head gland（1）Side open up
Have and circular orientation block（14）Corresponding annular positioning groove（15）, described sleeve pipe box cupling（7）Top and bottom are both provided with rubber
Gasket seal（16）, described sleeve pipe head gland（1）Top offer with casing joint（2）For the threaded hole of symmetry axis（5）, institute
State casing head gland（1）Screw top be connected with through threaded hole（5）Bolt（4）, described sleeve pipe box cupling（7）Top and
Bottom offers and threaded hole（5）Corresponding thread groove（6）, described sleeve pipe box cupling（7）Inside offer casing coupling
Hole（18）, described sleeve pipe box cupling hole（18）Two or so relative positioning blocks are installed with the middle part of inner wall（11）, described sleeve pipe
Box cupling hole（18）Inside and be located at locating piece（11）Top and bottom be both provided with filter screen（17）, two positioning
Block（11）Opposite side is and connecting rod（10）It is fixedly connected, two connecting rods（10）Opposite one end is fixedly mounted
Push pin（19）.
A kind of 2. casing head being convenient for changing according to claim 1, it is characterised in that：Described sleeve pipe connector（2）It is remote
Casing coupling（7）One end run through and extend casing head gland（1）.
A kind of 3. casing head being convenient for changing according to claim 1, it is characterised in that：Two described sleeve pipe head glands
（1）With casing coupling（7）Horizontal median axis for symmetry axis it is symmetrical.
A kind of 4. casing head being convenient for changing according to claim 1, it is characterised in that the spring（9）One end and T
Shape supporting rod（12）It is fixedly connected, spring（9）The other end and taper block up block（13）It is fixedly connected.
A kind of 5. casing head being convenient for changing according to claim 1, it is characterised in that：The limited block（3）, locating piece
（11）And rubber sheet gasketing（16）Shape in annular shape.
A kind of 6. casing head being convenient for changing according to claim 1, it is characterised in that：Described sleeve pipe head gland（1）It is logical
Cross bolt（4）Through threaded hole（5）And and casing coupling（7）On thread groove（6）It is threadedly coupled.
A kind of 7. casing head being convenient for changing according to claim 1, it is characterised in that：The rubber sheet gasketing（16）
Diameter is less than annular positioning groove（15）Diameter.
A kind of 8. casing head being convenient for changing according to claim 1, it is characterised in that：It is described to push pin（19）Through filtering
Net（17）And extend casing coupling（7）Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720927550.7U CN207296945U (en) | 2017-07-28 | 2017-07-28 | A kind of casing head being convenient for changing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720927550.7U CN207296945U (en) | 2017-07-28 | 2017-07-28 | A kind of casing head being convenient for changing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207296945U true CN207296945U (en) | 2018-05-01 |
Family
ID=62447833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720927550.7U Expired - Fee Related CN207296945U (en) | 2017-07-28 | 2017-07-28 | A kind of casing head being convenient for changing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207296945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852375A (en) * | 2020-07-17 | 2020-10-30 | 席小平 | Well head and sealing protection device |
-
2017
- 2017-07-28 CN CN201720927550.7U patent/CN207296945U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852375A (en) * | 2020-07-17 | 2020-10-30 | 席小平 | Well head and sealing protection device |
| CN111852375B (en) * | 2020-07-17 | 2021-05-11 | 大庆市晟威机械制造有限公司 | Well head and sealing protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180501 Termination date: 20190728 |