CN209654789U - A kind of freely telescopic ground liner pipeline union connectors - Google Patents
A kind of freely telescopic ground liner pipeline union connectors Download PDFInfo
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- CN209654789U CN209654789U CN201920156917.9U CN201920156917U CN209654789U CN 209654789 U CN209654789 U CN 209654789U CN 201920156917 U CN201920156917 U CN 201920156917U CN 209654789 U CN209654789 U CN 209654789U
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- female
- union
- tubing string
- male connector
- liner
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Abstract
The utility model provides a kind of freely telescopic ground liner pipeline union connectors, including male connector, female, union, tubing string, the right output port of the male connector and the left port of tubing string are corresponding, the union left port set hangs over male connector outer wall, the tubing string slidingtype is socketed in inside female, collectively form telescopic sleeve structure, the tubing string outer wall opens up closure gasket groove, mounting O-shaped rings in closure gasket groove, O-ring makes tubing string outer wall and female inner wall form sealing state, the female outer wall opens up female external screw thread, the union inner wall opens up union internal screw thread, the union connects the female external screw thread of female by the union internal screw thread screw thread type of itself.The free extension of ground liner pipeline union connectors can be realized, adaptable, structure is simple, flexible and convenient operation when replacing certain root canal line in female axially inside free extension by tubing string to adapt to the influence generated to length of pipeline of expanding with heat and contract with cold.
Description
Technical field
The utility model relates to petroleum machinery engineering ground liner pipeline union joint technique field, especially one kind can be certainly
By telescopic ground liner pipeline union connectors.
Background technique
The problems such as to solve perforation caused by oil field oil transportation, water filling surface line burn into abrasion and fouling, surface line
Inside is using ultra high molecular polyethylene as liner layer, that is, ground liner pipeline.The connection of ground liner pipeline generallys use union
Jointing.Union connectors are a kind of assembling pipe joints that can facilitate pipeline installing and dismounting, as two pipelines of connection
Device, it is convenient to two pipelines be separate or may be linked, easy access.The ground liner pipeline union connectors applied at present are adopted
With fixed jointing, male connector and the direct grip gasket of female are realized and are sealed under the effect of union screwing force, this connection side
Formula is easy to operate, but when being influenced by the effect of expanding with heat and contract with cold, when with this fixed union connectors connecting pipeline, with regard to nothing
The amount of method compensation pipes rising-heat contracting-cold, easily causing pipeline to generate, stress is excessive to lead to failure damage, while when replacing pipeline, if
Not changing length of pipeline can be to replace certain root canal line.
Application number: a kind of corrosion resistant lining tube Novel joint of oil and gas industry of 201810216181.X, device specifically include that
First screw thread, the second screw thread, left crossover sub, the shoulder that links closely, double female connectors, right crossover sub, third screw thread, the 4th screw thread,
Safe gap, wherein left crossover sub, double female connectors are identical with the material of right crossover sub and are corrosion resistant alloy；Left-hand rotation is changed
Connector and left carbon steel pipe are threadedly coupled integrally by first, are then connect by the second screw thread with double female connector left ends；It turns right
Changing-over head and right carbon steel pipe are threadedly coupled integrally by the 4th, are then connect by third screw thread with double female connector right ends；The
One screw thread and the 4th screw thread also only play connection function, and the shoulder that links closely on the second screw thread, third screw thread and double female connectors is close
Envelope and connection function；The left and right internal lining pipe of protection is played in safe gap, avoids the shoulder crush injury that links closely during button
Left and right internal lining pipe.The present invention is suitable for the defeated and long defeated field of engineering technology of petroleum gas collection.
Application number: 201721422462.8 provide inside lining anti-corrosive surface lines, including steel joint A, steel joint B, company
Cap is connect, the one end steel joint A is connect with steel-pipe welding, and the inside of steel pipe and steel joint A are liner, and the end of liner is liner
Flange, the corresponding liner flange in the inner end of steel joint A have flange, are provided with external screw thread on the outside of the other end；The one end steel joint B with
The inside of steel-pipe welding connection, steel pipe and steel joint B are liner, and the end of liner is liner flange, the middle part of steel joint B
There is boss, is liner flange on the outside of the other end of steel joint B；Attachment cap is located at the outside of steel joint B, attachment cap one end
Internal diameter is less than the internal diameter of boss, and the internal diameter of the attachment cap other end is greater than the internal diameter of boss, and there is spiral shell in corresponding with external screw thread in inside
Line；Advantage are as follows: solve the problems, such as that liner layer collapses and etching problem, enhances the intensity of joint.
Application number: 201620697621.4 propose a kind of anti-corrosion pipeline connection structure, including tube body interconnected,
The both ends of the tube body are equipped with ring flange, and the tube body is equipped with corrosion-proof lining, and the corrosion-proof lining uses polytetrafluoroethylene (PTFE)
Material is made, and the pipeline opening in the flange side surface is set as stepped ladder mouth, and the internal diameter of the ladder mouth is greater than pipe
The internal diameter of ontology, the corrosion-proof lining are extended on ladder mouth by the inner surface of tube body, the corrosion-proof lining at the ladder mouth
Internal diameter be less than the internal diameter of ladder mouth and thickness is higher than the axial depth of ladder mouth, the axial end face of ladder mouth on the ring flange
Shape in curved surface, and close contact is adapted to corrosion-proof lining, the axially external end face of corrosion-proof lining shape in curved surface, tube body phase
When connecting, the corrosion-proof lining is that the curved surface being mutually adapted squeezes contact.The utility model aim is to provide a kind of anti-corrosion
The pipe connecting structure that sealing effect is good, anti-corrosion life is long.
Application number: 201611181572.X discloses a kind of pipe expansion joint, including adjusting set, preceding connecting tube, rear connection
If pipe, preceding clamping cap, rear clamping cap, preceding conical seal ring, rear conical seal ring, threaded joints, two tapered portion, dry seals
Body, several holding tanks, the first threaded portion, the second threaded portion, the first blocking cover and the second blocking cover, in the both ends of the adjusting set
Wall is each formed with tapered portion, and threaded joints are equipped among the inner wall of the adjusting set, are set respectively in the both ends of the adjusting set
There are preceding connecting tube and rear connecting tube, the rear end of the preceding connecting tube and the front end of rear connecting tube are equipped with to match with threaded joints
The external screw thread of conjunction is arranged with the preceding conical seal ring in the tapered portion of adjusting set front end in the preceding connecting tube, after described
It is arranged with the rear conical seal ring in the tapered portion of adjusting set rear end in connecting tube, compared with prior art, can install
And convenient disassembly, and sealing effect is good.
Application number: 201721521510.9 provide a kind of band liner pipe connector of adjustable length, technical solution
Are as follows: mainly by tubing string A1, the internal lining pipe 2 of tubing string A, tubing string A connector 3, box cupling 4, seal washer 5, the first O-ring 6, pin and box sub
7, tubing string B connector 8, the second O-ring 9, tubing string B internal lining pipe 10 and tubing string B11 are constituted；The utility model is the utility model has the advantages that design is closed
Practical, the length of adjustable connector is managed, maneuverability is more convenient for installing and removing, replace, and it is time saving and energy saving, it is strong to reduce labour
Degree, improves productivity effect.
Application number: 201210320682.5 provide the fixed operation for eliminating existing such baffle ring of workability difference and
Being able to suppress generation gap will not get rusty and can reliably carry out the expansion flexible pipe joint of painting treatment.It has: pre-
The connecting piece of measured length；A pair of of rotating sphere, they are slidably embedded in being able to maintain watertightness relatively on tube axial direction
The both ends of the connecting piece, and a part of outer peripheral surface is formed as spherical surface；And a pair of shells, they are to form and these rotating balls
The inner peripheral surface of the identical spherical surface of the outer peripheral surface of body is rotatably embedded in sliding contact these rotating balls with keeping watertightness
The outer peripheral surface of body is integrally formed with anticreep block piece on one end outer peripheral surface on the rotating ball side of connecting piece, outside the other end
Circumferential surface is equipped with pin thread and with block piece flange, and the diameter of the pin thread can insert the pin thread of the diameter of rotating sphere,
This can be loaded and unloaded with block piece flange and the negative thread for being set to inner peripheral surface is threadedly engaged with the pin thread.
Application number: 201620862358.X provides a kind of telescoping joint, belongs to field of mechanical technique.It solves existing
Some connectors do not have the problems such as Expansion loose joint function.This telescoping joint includes intubation in a tubular form, and the right end of intubation has
Interconnecting piece, the left end of intubation are arranged with tubular casing, and the left end of casing is arranged with connector sleeve；The left end outer surface of intubation is set
It is equipped with the card slot recessed to intubation annular, is connected with circlip in card slot；It is provided on the right end inner surface of casing into casing
The shoulder block of protrusion, when on the intubation right side that circlip can be resisted against shoulder block when covering in-pipe；It is set between intubation and casing
Being equipped with sealing ring together makes to form sealing between intubation and casing, is provided on the right end inner surface of casing recessed to casing outer ring
The groove one for entering and being located on the right side of shoulder block is equipped with sealing ring one in groove one.This connector have Expansion loose joint, be conducive to using
The advantages that.
The utility model is different from technology disclosed above.
Utility model content
The purpose of the utility model is to provide a kind of freely telescopic ground liner pipeline union connectors, pass through pipe
Column can be realized in ground in female axially inside free extension with adapting to the influence generated to length of pipeline of expanding with heat and contract with cold
The free extension of bushing pipe line union connectors, adaptable, structure is simple, flexible and convenient operation when replacing certain root canal line.
The purpose of this utility model can be achieved by the following technical measures:
The freely telescopic ground liner pipeline union connectors include male connector, female, union, tubing string, the public affairs
The right output port of head is corresponding with the left port of tubing string, and the union left port set hangs over male connector outer wall, the tubing string slidingtype set
It connects inside female, collectively forms telescopic sleeve structure, the tubing string outer wall opens up closure gasket groove, mounting O-shaped in closure gasket groove
Circle, O-ring make tubing string outer wall and female inner wall form sealing state, and the female outer wall opens up female external screw thread, the union
Inner wall opens up union internal screw thread, and the union connects the female external screw thread of female by the union internal screw thread screw thread type of itself.
The purpose of this utility model can be also achieved by the following technical measures:
The female inner wall opens up the first snap ring platform, the second snap ring platform, and the tubing string outer wall opens up the first dogging shoulder, and described
One snap ring platform left side and the first dogging shoulder right side constitute axial limiting, install gasket seal on the second snap ring platform.
The wild card shaft shoulder is arranged in the male connector outer wall, and undergauge snap ring platform, undergauge snap ring platform is arranged in the union left port inner wall
Right side and wild card shaft shoulder left side constitute axial limiting, and the female left port empty set lives the right output port outer wall of male connector, i.e., public
Head right end is extend into inside female left port, and the two is clearance fit, while the female left side and wild card shaft shoulder right end
Face also constitutes axial limiting.
The male connector inner wall is set with male connector liner, and the pipe string internal wall is set with tubing string liner.
The male connector liner turns up to form male connector liner flange, male connector liner flange and gasket seal outside male connector port
Left side docking.
The tubing string liner turns up to form tubing string liner flange, tubing string liner flange and gasket seal outside tubing string port
Right side docking.
The male connector liner, gasket seal, the internal diameter of tubing string liner three are identical.
The utility model has the advantages that compared with prior art
Install male connector liner, the tubing string liner being interference fitted with it inside male connector and tubing string additional respectively, progress liner flange with
End face seal is formed, gasket seal is installed between male connector liner end face and female；The outer surface design of female has external screw thread, by
The internal screw thread of nonyl and the external screw thread of female connect, and the end face of male connector and female presss from both sides gasket seal under the action of union screwing force
Tightly, the connection sealing of pipeline is realized；Tubing string can stretch along axially free, when being affected by thermal expansion and contraction, by the free extension of tubing string
The stroke that can compensate for pipeline realizes the connection of pipeline.One end design of female inner surface has boss to limit the position of tubing string,
The design of tubing string one end has the shaft shoulder to prevent tubing string to be extracted, while design has axis O-ring slot at the shaft shoulder, thereon mounting O-shaped
Circle realizes sealing, and design has the shaft shoulder to facilitate union to apply sealing force to gasket in male connector.One end of male connector is deep into female
Inside hole, clearance fit is formed, after union internal screw thread and female external screw thread are tightened, male connector presss from both sides gasket seal with female end face
Tightly, sealing is realized.
The utility model, in female axially inside free extension, produces length of pipeline with adapting to expand with heat and contract with cold by tubing string
The free extension of ground liner pipeline union connectors can be realized in raw influence, and adaptable, structure is simple, replaces certain
Flexible and convenient operation when root canal line.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model embodiment in minimum telescopic location；
Fig. 2 is structural schematic diagram of the utility model embodiment in maximal dilation position.
Marked in the figure: 1, male connector, 2, union, 3, female, 4, tubing string, 5, tubing string liner, 6, male connector liner, 7, gasket
Piece, 8, O-ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 2 is please referred to, the utility model provides a kind of technical solution: the freely telescopic ground liner pipeline
Union connectors, including male connector 1, female 3, union 2, tubing string 4, the right output port of the male connector and the left port of tubing string are opposite
It answers, the union left port set hangs over male connector outer wall, and the tubing string slidingtype is socketed in inside female, collectively forms telescopic sleeve
Structure, the tubing string outer wall open up closure gasket groove, and mounting O-shaped rings 8 in closure gasket groove, O-ring makes tubing string outer wall and female inner wall
Sealing state is formed, the female outer wall opens up female external screw thread, and the union inner wall opens up union internal screw thread, and the union is logical
Cross the female external screw thread of the union internal screw thread screw thread type connection female of itself.
It installs male connector liner 6, the tubing string liner 5 being interference fitted with it inside male connector 1 and tubing string 4 additional respectively, carries out liner and turn over
While to form end face seal, 5 end face of male connector liner and female are equipped with gasket seal 7 between 3 end face；The outer surface of female 3 is set
In respect of external screw thread, in male connector 1 design have the shaft shoulder with facilitate union 2 to gasket seal 7 apply sealing force, the internal screw thread of union 2 with
The external screw thread of female 3 connects, and male connector 1 clamps gasket seal 7 with female 3 under screwing force effect, realizes sealing；In female 3
One end design on surface has boss to limit the position of tubing string 4, and the design of 4 one end of tubing string has the shaft shoulder to prevent tubing string 4 to be extracted, together
When at the shaft shoulder design have axis O-ring slot to mounting O-shaped rings 8, realize sealing；It is expanded with heat and contract with cold when influencing, leans on tubing string 4
Free extension can make up the compensation rate that pipeline expands with heat and contract with cold.
The external cylindrical surface design of female 3 has screw thread, the external screw thread formation auxiliary connection of 2 internal screw thread of union and female 3, in union
Male connector 1 and the end face of female 3 clamp gasket seal 7 under the action of 2 screwing forces, realize sealing；Tubing string 4 can be stretched along axially free
When being influenced by temperature change, the expanding with heat and contract with cold of connecting pipeline, while the outer circle of tubing string 4 are compensated by the free extension of tubing string 4 for contracting
Cylinder and 3 inner cylinder face of female are realized by sealing ring to be sealed.One end design of 3 inner surface of female has boss to limit tubing string 4
Position, 4 one end of tubing string design have the shaft shoulder to prevent it to be extracted, while at the shaft shoulder design have axis O-ring slot, pacify thereon
Dress O-ring 8 realizes 3 inner cylinder face of female and keeps a grip on the sealing of 4 external cylindrical surfaces.Tubing string 4 axially inside can freely be stretched in female 2
Contracting to adapt to the influence expanded with heat and contract with cold to length of pipeline variation, while facilitating the replacement of certain root canal line.Design has axis in male connector 1
Shoulder, which forms threaded connection pair by 2 internal screw thread of union and 3 external screw thread of female, clamps gasket 7, realizes sealing.
A kind of specific work process of this freely telescopic ground liner pipeline union connectors is as follows:
Union 2 is installed in male connector 1, O-ring 8 is installed in the O-ring slot of tubing string 4, and female 3 is installed on tubing string 4,
Male connector 1 is connect by butt welding with pipeline with tubing string 4, internal to install male connector liner 6, the tubing string liner 5 being interference fitted with it additional respectively,
Liner flange is formed into end face seal, and gasket seal 7 is installed between both ends of the surface, and one end of male connector 1 is deep into female 3
Hole inside, to form clearance fit, design has the shaft shoulder to facilitate and apply sealing force to gasket seal, in screwing force in male connector 1
Under the action of union 2 internal screw thread and female 3 external screw thread formed auxiliary connection, gasket seal 7 is clamped, realize sealing.
After pipeline is acted upon by temperature changes, tubing string 4 can axially inside moving freely in female 3, realize ground in
Free extension of the bushing pipe spool column 4 in female 3, the expanding with heat and contract with cold of compensation pipes are led to eliminate pipeline and expand with heat and contract with cold
The thermal stress of cause, while being convenient for changing certain root canal line.
In the description of the present invention, it should be understood that temporald eixis or positional relationship are based on the figure
Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of freely telescopic ground liner pipeline union connectors, including male connector, female, union, tubing string, the public affairs
The right output port of head is corresponding with the left port of tubing string, and the union left port set hangs over male connector outer wall, which is characterized in that the pipe
Column slidingtype is socketed in inside female, collectively forms telescopic sleeve structure, and the tubing string outer wall opens up closure gasket groove, closure gasket groove
Interior mounting O-shaped rings, O-ring make tubing string outer wall and female inner wall form sealing state, and the female outer wall opens up female external screw thread,
The union inner wall opens up union internal screw thread, and the union is connected outside the female of female by the union internal screw thread screw thread type of itself
Screw thread.
2. a kind of freely telescopic ground liner pipeline union connectors according to claim 1, which is characterized in that
The female inner wall opens up the first snap ring platform, the second snap ring platform, and the tubing string outer wall opens up the first dogging shoulder, the first snap ring platform
Left side and the first dogging shoulder right side constitute axial limiting, install gasket seal on the second snap ring platform.
3. a kind of freely telescopic ground liner pipeline union connectors according to claim 1 or 2, feature exist
In the wild card shaft shoulder is arranged in the male connector outer wall, and undergauge snap ring platform, undergauge snap ring platform right side is arranged in the union left port inner wall
Axial limiting is constituted with wild card shaft shoulder left side, the female left port empty set lives the right output port outer wall of male connector, i.e. male connector right end
It extend into inside female left port, and the two is clearance fit, while the female left side and wild card shaft shoulder right side also structure
At axial limiting.
4. a kind of freely telescopic ground liner pipeline union connectors according to claim 1 or 2, feature exist
In the male connector inner wall is set with male connector liner, and the pipe string internal wall is set with tubing string liner.
5. a kind of freely telescopic ground liner pipeline union connectors according to claim 4, which is characterized in that
The male connector liner turns up to form male connector liner flange outside male connector port, male connector liner flange and gasket seal left side pair
It connects.
6. a kind of freely telescopic ground liner pipeline union connectors according to claim 5, which is characterized in that
The tubing string liner turns up to form tubing string liner flange outside tubing string port, tubing string liner flange and gasket seal right side pair
It connects.
7. a kind of freely telescopic ground liner pipeline union connectors according to claim 6, which is characterized in that
The male connector liner, gasket seal, the internal diameter of tubing string liner three are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920156917.9U CN209654789U (en) | 2019-01-29 | 2019-01-29 | A kind of freely telescopic ground liner pipeline union connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920156917.9U CN209654789U (en) | 2019-01-29 | 2019-01-29 | A kind of freely telescopic ground liner pipeline union connectors |
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| Publication Number | Publication Date |
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| CN209654789U true CN209654789U (en) | 2019-11-19 |
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ID=68523196
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| CN201920156917.9U Active CN209654789U (en) | 2019-01-29 | 2019-01-29 | A kind of freely telescopic ground liner pipeline union connectors |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824727A (en) * | 2019-11-20 | 2021-05-21 | 宝山钢铁股份有限公司 | Bimetal composite pipe threaded joint and preparation method thereof |
| CN113969752A (en) * | 2020-07-23 | 2022-01-25 | 中国石油天然气股份有限公司 | Underground intelligent injection-production pipe column quick connecting device |
-
2019
- 2019-01-29 CN CN201920156917.9U patent/CN209654789U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824727A (en) * | 2019-11-20 | 2021-05-21 | 宝山钢铁股份有限公司 | Bimetal composite pipe threaded joint and preparation method thereof |
| CN113969752A (en) * | 2020-07-23 | 2022-01-25 | 中国石油天然气股份有限公司 | Underground intelligent injection-production pipe column quick connecting device |
| CN113969752B (en) * | 2020-07-23 | 2023-10-31 | 中国石油天然气股份有限公司 | Underground intelligent injection and production pipe column quick connecting device |
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