CN209724247U - A kind of oil field shaft mouth lining plastic fast and safely attachment device - Google Patents
A kind of oil field shaft mouth lining plastic fast and safely attachment device Download PDFInfo
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- CN209724247U CN209724247U CN201920537558.1U CN201920537558U CN209724247U CN 209724247 U CN209724247 U CN 209724247U CN 201920537558 U CN201920537558 U CN 201920537558U CN 209724247 U CN209724247 U CN 209724247U
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- central tube
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Abstract
The utility model discloses a kind of oil field shaft mouth lining plastic fast and safely attachment devices, including upper part connecting mechanism and lower part connecting mechanism;The upper part connecting mechanism includes thimble connector, clip butt joint, sleeve and hoop sleeve, thimble connector includes the first central tube, liner and clip, clip butt joint is corresponding joints identical with thimble connector structure, and hoop sleeve is split into two halves in the form of orbicule is wrapped in the clip periphery blending bolt fastening of the clip and thimble connector of thimble connector;The lower part connecting mechanism includes thread head and screw thread butt joint, and thread head includes the second central tube, liner and screwed pipe, and screw thread butt joint includes third central tube, liner, stop collar and nut.The utility model does not have in well head site welding, and connection procedure does not generate spark, ensures execute-in-place safety;Using dismountable connection type, quickly, work efficiency is high for connection;Using high-quality liner, favorable anti-corrosion effect eliminates safe hidden trouble.
Description
Technical field
The utility model relates to oil field shaft mouth apparatus fields, and in particular to a kind of oil field shaft mouth lining plastic fast and safely connects dress
It sets.
Background technique
Oil field shaft mouth equipment is the portal of oil well, is played a crucial role to the safety in production of oil well.Petroleum industry
Development constantly the safety of wellhead equipment is put forward higher requirements, especially the connection safety between pipeline be even more weight
In it is weight.In general, the spark generated when directly welding between pipeline directly threatens well head to produce, and it is hidden to there is internal corrosion
Suffer from, working efficiency is relatively low.
Utility model content
To overcome technical problem of the existing technology, the utility model provides a kind of oil field shaft mouth lining plastic and fast and safely connects
Connection device.
Its technical solution is: including upper part connecting mechanism and lower part connecting mechanism;The upper part connecting mechanism includes clip
Connector, clip butt joint, sleeve and hoop sleeve, thimble connector include the first central tube, liner and clip, are affixed on first in liner
The inner wall of central tube simultaneously extends to outer wall after the top flange of the first central tube, and clip is set on the upper of the first central tube periphery
The calyptra of opening, calyptrate bottom center is in the form of hole around the flange liner for being welded in the first center pipe outer wall
Lower end position, the upper surface of calyptrate top and first central tube top flange liner flush, calyptrate side and the
Form annular space between the flange liner of one center pipe outer wall, clip butt joint is set on upper pipeline lower end and thimble connector knot
The identical corresponding joints of structure, sleeve are placed in the annular space of thimble connector and the annular space position of clip butt joint, and hoop sleeve is with spherical
The form of body, which is split into two halves, is wrapped in the clip periphery blending bolt fastening of the clip and thimble connector of thimble connector;The lower part
Bindiny mechanism includes thread head and screw thread butt joint, and thread head includes the second central tube, liner and screwed pipe, and the is affixed in liner
The inner wall of two central tubes and bottom end flange in the second central tube, the upper inside wall of screwed pipe are welded in the lower part of the second central tube
On outer wall, the outer wall of screwed pipe is equipped with several external screw threads, screw thread butt joint be set to the upper end of lower pipelines and with thread head pair
It should connect, screw thread butt joint includes third central tube, liner, stop collar and nut, in third central tube and its liner and second
Heart pipe and its liner are in upper and lower corresponding relationship, and stop collar is surround in the form of its center hole is welded in the outer of third central tube
It encloses, the inner wall of nut is equipped with several internal screw threads matched with screwed pipe external screw thread, and the bottom surface of nut is in the form of center opening
Third central tube is set in stop collar position below;The lower end of first central tube and the upper end of the second central tube are welded
Together, the liner integrated arrangement of the liner of the first central tube and the second central tube.
Above-mentioned technical proposal can advanced optimize are as follows:
Add during installation between the bottom end flange liner of second central tube and the top flange liner of third central tube
Fill gasket.
The sleeve, clip and hoop sleeve use stainless steel material.
The screwed pipe, stop collar and nut use No. 45 steel.
The material of the liner uses ultra-high molecular weight polyethylene.
The screwed pipe is equipped with screw thread protection cap, is equipped with the internal screw thread matched with screwed pipe on the inside of screw thread protection cap.
Compared with prior art, the utility model has following advantageous effects:
1. attachment device makes in advance, do not have in well head site welding, connection procedure does not generate spark, ensures execute-in-place
Safety.
2. using dismountable connection type, quickly, work efficiency is high for connection.
3. using high-quality liner, favorable anti-corrosion effect eliminates safe hidden trouble.
4. structure is simple, reliable performance, easy to maintenance.
Detailed description of the invention
Fig. 1 is the utility model structure and assembling schematic diagram;
In figure: 1- clip, 2- clip butt joint, 3- upper pipeline, 4- liner, 5- sleeve, 6- hoop sleeve, 7- bolt, 8-
Annular space, the first central tube of 9-, the second central tube of 10-, 11- stop collar, 12- third central tube, 13- lower pipelines, 14- sealing
Pad, 15- internal screw thread, 16- nut, 17- external screw thread, 18- screwed pipe.
Specific embodiment
The utility model is described in detail below with reference to examples and drawings.
Embodiment 1
Referring to Fig. 1.A kind of oil field shaft mouth lining plastic fast and safely attachment device, including upper part connecting mechanism and lower part connection machine
Structure.Upper part connecting mechanism includes thimble connector, clip butt joint 2, sleeve 5 and hoop sleeve 6, and thimble connector includes the first central tube
9, liner 4 and clip 1 are affixed on the inner wall of the first central tube 9 in liner 4 and extend to after the top flange of the first central tube 9
Outer wall, clip 1 are set on the calyptra of the upper opening of 9 periphery of the first central tube, and calyptrate bottom center is with the shape of hole
Formula is around the flange liner lower end position for being welded in 9 outer wall of the first central tube, calyptrate top and 9 top of the first central tube
The upper surface of flange liner flushes, and annular space 8, card are formed between the flange liner 4 of 9 outer wall of calyptrate side and the first central tube
Binding round butt joint 2 is the corresponding joints identical with thimble connector structure set on 3 lower end of upper pipeline, and sleeve 5 is placed in clip and connects
The annular space 8 of head and 8 position of annular space of clip butt joint, hoop sleeve 6 is split into two halves in the form of orbicule is wrapped in thimble connector
The peripheral blending bolt 7 of clip 1 of clip 1 and thimble connector fasten.Lower part connecting mechanism includes thread head and screw thread butt joint,
Thread head includes the second central tube 10, liner 4 and screwed pipe 18, is affixed on the inner wall of the second central tube 10 in liner 4 and second
The bottom end flange of central tube 10, the upper inside wall of screwed pipe 18 are welded on the lower part outer wall of the second central tube 10, screwed pipe 18
Outer wall be equipped with several external screw threads 17, screw thread butt joint be set to lower pipelines 13 upper end and be correspondingly connected with with thread head, spiral shell
Line butt joint includes third central tube 12, liner 4, stop collar 11 and nut 16, in third central tube 12 and its liner 4 and second
Heart pipe 10 and its liner 4 are in upper and lower corresponding relationship, and stop collar 11 is surround in the form of its center hole and is welded in third central tube
12 periphery, the inner wall of nut 16 are equipped with several internal screw threads 15 matched with screwed pipe external screw thread 17, the bottom surface of nut 16 with
The form of center opening is set in third central tube in the position below of stop collar 11.In the lower end and second of first central tube 9
The upper end of heart pipe 10 welds together, 4 integrated arrangement of liner of the liner 4 of the first central tube 9 and the second central tube 10.
Embodiment 2
Referring to Fig. 1.A kind of oil field shaft mouth lining plastic fast and safely attachment device, including upper part connecting mechanism and lower part connection machine
Structure.Upper part connecting mechanism includes thimble connector, clip butt joint 2, sleeve 5 and hoop sleeve 6, and thimble connector includes the first central tube
9, liner 4 and clip 1 are affixed on the inner wall of the first central tube 9 in liner 4 and extend to after the top flange of the first central tube 9
Outer wall, clip 1 are set on the calyptra of the upper opening of 9 periphery of the first central tube, and calyptrate bottom center is with the shape of hole
Formula is around the flange liner lower end position for being welded in 9 outer wall of the first central tube, calyptrate top and 9 top of the first central tube
The upper surface of flange liner flushes, and annular space 8, card are formed between the flange liner 4 of 9 outer wall of calyptrate side and the first central tube
Binding round butt joint 2 is the corresponding joints identical with thimble connector structure set on 3 lower end of upper pipeline, and sleeve 5 is placed in clip and connects
The annular space 8 of head and 8 position of annular space of clip butt joint, hoop sleeve 6 is split into two halves in the form of orbicule is wrapped in thimble connector
The peripheral blending bolt 7 of clip 1 of clip 1 and thimble connector fasten.Lower part connecting mechanism includes thread head and screw thread butt joint,
Thread head includes the second central tube 10, liner 4 and screwed pipe 18, is affixed on the inner wall of the second central tube 10 in liner 4 and second
The bottom end flange of central tube 10, the upper inside wall of screwed pipe 18 are welded on the lower part outer wall of the second central tube 10, screwed pipe 18
Outer wall be equipped with several external screw threads 17, screw thread butt joint be set to lower pipelines 13 upper end and be correspondingly connected with with thread head, spiral shell
Line butt joint includes third central tube 12, liner 4, stop collar 11 and nut 16, in third central tube 12 and its liner 4 and second
Heart pipe 10 and its liner 4 are in upper and lower corresponding relationship, and stop collar 11 is surround in the form of its center hole and is welded in third central tube
12 periphery, the inner wall of nut 16 are equipped with several internal screw threads 15 matched with screwed pipe external screw thread 17, the bottom surface of nut 16 with
The form of center opening is set in third central tube in the position below of stop collar 11.In the lower end and second of first central tube 9
The upper end of heart pipe 10 welds together, 4 integrated arrangement of liner of the liner 4 of the first central tube 9 and the second central tube 10.Second
Gasket 14 is installed additional during installation between the bottom end flange liner 4 of central tube 10 and the top flange liner 4 of third central tube 12,
To improve the sealing effect of connection.
Embodiment 3
Referring to Fig. 1.A kind of oil field shaft mouth lining plastic fast and safely attachment device, including upper part connecting mechanism and lower part connection machine
Structure.Upper part connecting mechanism includes thimble connector, clip butt joint 2, sleeve 5 and hoop sleeve 6, and thimble connector includes the first central tube
9, liner 4 and clip 1 are affixed on the inner wall of the first central tube 9 in liner 4 and extend to after the top flange of the first central tube 9
Outer wall, clip 1 are set on the calyptra of the upper opening of 9 periphery of the first central tube, and calyptrate bottom center is with the shape of hole
Formula is around the flange liner lower end position for being welded in 9 outer wall of the first central tube, calyptrate top and 9 top of the first central tube
The upper surface of flange liner flushes, and annular space 8, card are formed between the flange liner 4 of 9 outer wall of calyptrate side and the first central tube
Binding round butt joint 2 is the corresponding joints identical with thimble connector structure set on 3 lower end of upper pipeline, and sleeve 5 is placed in clip and connects
The annular space 8 of head and 8 position of annular space of clip butt joint, hoop sleeve 6 is split into two halves in the form of orbicule is wrapped in thimble connector
The peripheral blending bolt 7 of clip 1 of clip 1 and thimble connector fasten.Lower part connecting mechanism includes thread head and screw thread butt joint,
Thread head includes the second central tube 10, liner 4 and screwed pipe 18, is affixed on the inner wall of the second central tube 10 in liner 4 and second
The bottom end flange of central tube 10, the upper inside wall of screwed pipe 18 are welded on the lower part outer wall of the second central tube 10, screwed pipe 18
Outer wall be equipped with several external screw threads 17, screw thread butt joint be set to lower pipelines 13 upper end and be correspondingly connected with with thread head, spiral shell
Line butt joint includes third central tube 12, liner 4, stop collar 11 and nut 16, in third central tube 12 and its liner 4 and second
Heart pipe 10 and its liner 4 are in upper and lower corresponding relationship, and stop collar 11 is surround in the form of its center hole and is welded in third central tube
12 periphery, the inner wall of nut 16 are equipped with several internal screw threads 15 matched with screwed pipe external screw thread 17, the bottom surface of nut 16 with
The form of center opening is set in third central tube in the position below of stop collar 11.In the lower end and second of first central tube 9
The upper end of heart pipe 10 welds together, 4 integrated arrangement of liner of the liner 4 of the first central tube 9 and the second central tube 10.Second
Gasket 14 is installed additional during installation between the bottom end flange liner 4 of central tube 10 and the top flange liner 4 of third central tube 12,
To improve the sealing effect of connection.Sleeve 5, clip 1 and hoop sleeve 6 use stainless steel material, to enhance its mechanical performance, extend
Service life.
Embodiment 4
Referring to Fig. 1.A kind of oil field shaft mouth lining plastic fast and safely attachment device, including upper part connecting mechanism and lower part connection machine
Structure.Upper part connecting mechanism includes thimble connector, clip butt joint 2, sleeve 5 and hoop sleeve 6, and thimble connector includes the first central tube
9, liner 4 and clip 1 are affixed on the inner wall of the first central tube 9 in liner 4 and extend to after the top flange of the first central tube 9
Outer wall, clip 1 are set on the calyptra of the upper opening of 9 periphery of the first central tube, and calyptrate bottom center is with the shape of hole
Formula is around the flange liner lower end position for being welded in 9 outer wall of the first central tube, calyptrate top and 9 top of the first central tube
The upper surface of flange liner flushes, and annular space 8, card are formed between the flange liner 4 of 9 outer wall of calyptrate side and the first central tube
Binding round butt joint 2 is the corresponding joints identical with thimble connector structure set on 3 lower end of upper pipeline, and sleeve 5 is placed in clip and connects
The annular space 8 of head and 8 position of annular space of clip butt joint, hoop sleeve 6 is split into two halves in the form of orbicule is wrapped in thimble connector
The peripheral blending bolt 7 of clip 1 of clip 1 and thimble connector fasten.Lower part connecting mechanism includes thread head and screw thread butt joint,
Thread head includes the second central tube 10, liner 4 and screwed pipe 18, is affixed on the inner wall of the second central tube 10 in liner 4 and second
The bottom end flange of central tube 10, the upper inside wall of screwed pipe 18 are welded on the lower part outer wall of the second central tube 10, screwed pipe 18
Outer wall be equipped with several external screw threads 17, screw thread butt joint be set to lower pipelines 13 upper end and be correspondingly connected with with thread head, spiral shell
Line butt joint includes third central tube 12, liner 4, stop collar 11 and nut 16, in third central tube 12 and its liner 4 and second
Heart pipe 10 and its liner 4 are in upper and lower corresponding relationship, and stop collar 11 is surround in the form of its center hole and is welded in third central tube
12 periphery, the inner wall of nut 16 are equipped with several internal screw threads 15 matched with screwed pipe external screw thread 17, the bottom surface of nut 16 with
The form of center opening is set in third central tube in the position below of stop collar 11.In the lower end and second of first central tube 9
The upper end of heart pipe 10 welds together, 4 integrated arrangement of liner of the liner 4 of the first central tube 9 and the second central tube 10.Second
Gasket 14 is installed additional during installation between the bottom end flange liner 4 of central tube 10 and the top flange liner 4 of third central tube 12,
To improve the sealing effect of connection.Sleeve 5, clip 1 and hoop sleeve 6 use stainless steel material, to enhance its mechanical performance, extend
Service life.Screwed pipe 18, stop collar 11 and nut 16 use No. 45 steel, because its intensity with higher and preferable cutting add
Work.
Embodiment 5
Referring to Fig. 1.A kind of oil field shaft mouth lining plastic fast and safely attachment device, including upper part connecting mechanism and lower part connection machine
Structure.Upper part connecting mechanism includes thimble connector, clip butt joint 2, sleeve 5 and hoop sleeve 6, and thimble connector includes the first central tube
9, liner 4 and clip 1 are affixed on the inner wall of the first central tube 9 in liner 4 and extend to after the top flange of the first central tube 9
Outer wall, clip 1 are set on the calyptra of the upper opening of 9 periphery of the first central tube, and calyptrate bottom center is with the shape of hole
Formula is around the flange liner lower end position for being welded in 9 outer wall of the first central tube, calyptrate top and 9 top of the first central tube
The upper surface of flange liner flushes, and annular space 8, card are formed between the flange liner 4 of 9 outer wall of calyptrate side and the first central tube
Binding round butt joint 2 is the corresponding joints identical with thimble connector structure set on 3 lower end of upper pipeline, and sleeve 5 is placed in clip and connects
The annular space 8 of head and 8 position of annular space of clip butt joint, hoop sleeve 6 is split into two halves in the form of orbicule is wrapped in thimble connector
The peripheral blending bolt 7 of clip 1 of clip 1 and thimble connector fasten.Lower part connecting mechanism includes thread head and screw thread butt joint,
Thread head includes the second central tube 10, liner 4 and screwed pipe 18, is affixed on the inner wall of the second central tube 10 in liner 4 and second
The bottom end flange of central tube 10, the upper inside wall of screwed pipe 18 are welded on the lower part outer wall of the second central tube 10, screwed pipe 18
Outer wall be equipped with several external screw threads 17, screw thread butt joint be set to lower pipelines 13 upper end and be correspondingly connected with with thread head, spiral shell
Line butt joint includes third central tube 12, liner 4, stop collar 11 and nut 16, in third central tube 12 and its liner 4 and second
Heart pipe 10 and its liner 4 are in upper and lower corresponding relationship, and stop collar 11 is surround in the form of its center hole and is welded in third central tube
12 periphery, the inner wall of nut 16 are equipped with several internal screw threads 15 matched with screwed pipe external screw thread 17, the bottom surface of nut 16 with
The form of center opening is set in third central tube in the position below of stop collar 11.In the lower end and second of first central tube 9
The upper end of heart pipe 10 welds together, 4 integrated arrangement of liner of the liner 4 of the first central tube 9 and the second central tube 10.Second
Gasket 14 is installed additional during installation between the bottom end flange liner 4 of central tube 10 and the top flange liner 4 of third central tube 12,
To improve the sealing effect of connection.Sleeve 5, clip 1 and hoop sleeve 6 use stainless steel material, to enhance its mechanical performance, extend
Service life.Screwed pipe 18, stop collar 11 and nut 16 use No. 45 steel, because its intensity with higher and preferable cutting add
Work.The material of liner 4 uses ultra-high molecular weight polyethylene;Ultra-high molecular weight polyethylene is a kind of high-molecular compound, is had
Superpower wearability, self-lubrication, intensity is relatively high, chemical property is stable, anti-aging property is strong.
Embodiment 6
Referring to Fig. 1.A kind of oil field shaft mouth lining plastic fast and safely attachment device, including upper part connecting mechanism and lower part connection machine
Structure.Upper part connecting mechanism includes thimble connector, clip butt joint 2, sleeve 5 and hoop sleeve 6, and thimble connector includes the first central tube
9, liner 4 and clip 1 are affixed on the inner wall of the first central tube 9 in liner 4 and extend to after the top flange of the first central tube 9
Outer wall, clip 1 are set on the calyptra of the upper opening of 9 periphery of the first central tube, and calyptrate bottom center is with the shape of hole
Formula is around the flange liner lower end position for being welded in 9 outer wall of the first central tube, calyptrate top and 9 top of the first central tube
The upper surface of flange liner flushes, and annular space 8, card are formed between the flange liner 4 of 9 outer wall of calyptrate side and the first central tube
Binding round butt joint 2 is the corresponding joints identical with thimble connector structure set on 3 lower end of upper pipeline, and sleeve 5 is placed in clip and connects
The annular space 8 of head and 8 position of annular space of clip butt joint, hoop sleeve 6 is split into two halves in the form of orbicule is wrapped in thimble connector
The peripheral blending bolt 7 of clip 1 of clip 1 and thimble connector fasten.Lower part connecting mechanism includes thread head and screw thread butt joint,
Thread head includes the second central tube 10, liner 4 and screwed pipe 18, is affixed on the inner wall of the second central tube 10 in liner 4 and second
The bottom end flange of central tube 10, the upper inside wall of screwed pipe 18 are welded on the lower part outer wall of the second central tube 10, screwed pipe 18
Outer wall be equipped with several external screw threads 17, screw thread butt joint be set to lower pipelines 13 upper end and be correspondingly connected with with thread head, spiral shell
Line butt joint includes third central tube 12, liner 4, stop collar 11 and nut 16, in third central tube 12 and its liner 4 and second
Heart pipe 10 and its liner 4 are in upper and lower corresponding relationship, and stop collar 11 is surround in the form of its center hole and is welded in third central tube
12 periphery, the inner wall of nut 16 are equipped with several internal screw threads 15 matched with screwed pipe external screw thread 17, the bottom surface of nut 16 with
The form of center opening is set in third central tube in the position below of stop collar 11.In the lower end and second of first central tube 9
The upper end of heart pipe 10 welds together, 4 integrated arrangement of liner of the liner 4 of the first central tube 9 and the second central tube 10.Second
Gasket 14 is installed additional during installation between the bottom end flange liner 4 of central tube 10 and the top flange liner 4 of third central tube 12,
To improve the sealing effect of connection.Sleeve 5, clip 1 and hoop sleeve 6 use stainless steel material, to enhance its mechanical performance, extend
Service life.Screwed pipe 18, stop collar 11 and nut 16 use No. 45 steel, because its intensity with higher and preferable cutting add
Work.The material of liner 4 uses ultra-high molecular weight polyethylene;Ultra-high molecular weight polyethylene is a kind of high-molecular compound, is had
Superpower wearability, self-lubrication, intensity is relatively high, chemical property is stable, anti-aging property is strong.Screwed pipe 18 is equipped with screw thread and protects
Helmet, screw thread protection cap inside are equipped with the internal screw thread matched with screwed pipe 18;Screw thread protection cap can prevent screwed pipe 18 from existing
It is damaged during transport etc. because of collision.
The basic assemble flow of the utility model is as follows:
First the lower half of sleeve 5 is put in the annular space 8 of thimble connector, it then will be in clip butt joint 2 and thimble connector
Lower alignment, is put into the upper half of sleeve 5 in the annular space 8 of clip butt joint 2, then hoop sleeve 6 is completed to use spiral shell after surrounding clip 1
Bolt 7 fastens.Gasket 14 is put on the top flange liner 4 of third central tube 12, then by the bottom end of the second central tube 10
Flange liner 4 is directed at gasket 14 and compresses, then nut 16 and screwed pipe 18 are tightened.
Claims (6)
1. a kind of oil field shaft mouth lining plastic fast and safely attachment device, it is characterised in that: connected including upper part connecting mechanism and lower part
Mechanism;The upper part connecting mechanism includes thimble connector, clip butt joint, sleeve and hoop sleeve, and thimble connector includes in first
Heart pipe, liner and clip are affixed on the inner wall of the first central tube in liner and extend to after the top flange of the first central tube outer
Wall, clip are the calyptra of the upper opening set on the first central tube periphery, calyptrate bottom center ring in the form of hole
In the flange liner lower end position for being welded in the first center pipe outer wall, calyptrate top and the first central tube top flange
The upper surface of lining flushes, and annular space, clip butt joint are formed between calyptrate side and the flange liner of the first center pipe outer wall
For set on the corresponding joints identical with thimble connector structure of upper pipeline lower end, sleeve is placed in the annular space and card of thimble connector
The annular space position of butt joint is bound round, hoop sleeve is split into two halves in the form of orbicule is wrapped in the clip and thimble connector of thimble connector
Clip periphery blending bolt fastening;The lower part connecting mechanism includes thread head and screw thread butt joint, and thread head includes second
Central tube, liner and screwed pipe are affixed on the inner wall of the second central tube and the bottom end flange in the second central tube, screwed pipe in liner
Upper inside wall be welded on the lower part outer wall of the second central tube, the outer wall of screwed pipe is equipped with several external screw threads, screw thread butt joint
Set on lower pipelines upper end and be correspondingly connected with thread head, screw thread butt joint includes third central tube, liner, stop collar and spiral shell
Cap, third central tube and its liner and the second central tube and its liner are in upper and lower corresponding relationship, and stop collar is with its center hole
Form is equipped with several interior spiral shells matched with screwed pipe external screw thread around the periphery for being welded in third central tube, the inner wall of nut
Line, the bottom surface of nut are set in third central tube in stop collar position below in the form of center opening;First center
The lower end of pipe and the upper end of the second central tube weld together, and the liner of the first central tube is integrated with the liner of the second central tube
Arrangement.
2. a kind of oil field shaft mouth lining plastic according to claim 1 fast and safely attachment device, it is characterised in that: described second
Gasket is installed additional during installation between the bottom end flange liner of central tube and the top flange liner of third central tube.
3. a kind of oil field shaft mouth lining plastic according to claim 2 fast and safely attachment device, it is characterised in that: the set
Cylinder, clip and hoop sleeve use stainless steel material.
4. a kind of oil field shaft mouth lining plastic according to claim 3 fast and safely attachment device, it is characterised in that: the screw thread
Pipe, stop collar and nut use No. 45 steel.
5. a kind of oil field shaft mouth lining plastic according to claim 4 fast and safely attachment device, it is characterised in that: the liner
Material use ultra-high molecular weight polyethylene.
6. a kind of oil field shaft mouth lining plastic according to claim 5 fast and safely attachment device, it is characterised in that: the screw thread
Pipe is equipped with screw thread protection cap, is equipped with the internal screw thread matched with screwed pipe on the inside of screw thread protection cap.
Priority Applications (1)
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CN201920537558.1U CN209724247U (en) | 2019-04-19 | 2019-04-19 | A kind of oil field shaft mouth lining plastic fast and safely attachment device |
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CN201920537558.1U CN209724247U (en) | 2019-04-19 | 2019-04-19 | A kind of oil field shaft mouth lining plastic fast and safely attachment device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113606413A (en) * | 2021-08-03 | 2021-11-05 | 山东东宏管业股份有限公司 | Steel wire fixing and connecting structure and method for steel wire mesh framework polyethylene composite pipe end steel wires |
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2019
- 2019-04-19 CN CN201920537558.1U patent/CN209724247U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113606413A (en) * | 2021-08-03 | 2021-11-05 | 山东东宏管业股份有限公司 | Steel wire fixing and connecting structure and method for steel wire mesh framework polyethylene composite pipe end steel wires |
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