CN110242806A - Prevent the pipe joint fastener to expand with heat and contract with cold - Google Patents
Prevent the pipe joint fastener to expand with heat and contract with cold Download PDFInfo
- Publication number
- CN110242806A CN110242806A CN201910615672.6A CN201910615672A CN110242806A CN 110242806 A CN110242806 A CN 110242806A CN 201910615672 A CN201910615672 A CN 201910615672A CN 110242806 A CN110242806 A CN 110242806A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- connector
- contract
- positioning ring
- cold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0206—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0237—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention provides the pipe joint fastener for preventing from expanding with heat and contract with cold, and is related to pipe joint technical field.This prevents the pipe joint fastener to expand with heat and contract with cold, including connector, the internal slide of the connector is connected with positioning ring, the two sides of the positioning ring are fixedly connected with spring, the center of the positioning ring offers circular hole, the side of the positioning ring towards connector left and right ends opens up fluted, and the two sides up and down of the positioning ring inner groovy offer oil pipe and lower oil pipe respectively.This prevents the pipe joint fastener to expand with heat and contract with cold, when pipeline deforms because expanding with heat and contract with cold, the sealing effect being able to maintain inside and outside for pipeline, and it will not shift between pipeline and connector, the problem of declining so as to avoid the loosening of connector and leakproofness, the deformation quantity that pipeline can occur simultaneously is intuitively observed, and is conducive to analyze the influence because of pipeline deformation butt joint, is provided foundation for maintenance in the future.
Description
Technical field
The present invention relates to pipe joint technical fields, specially prevent the pipe joint fastener to expand with heat and contract with cold.
Background technique
With the continuous improvement of social progress and living standard, it is convenient that the application of various pipelines brings for people's lives
Property, but also pipeline becomes essential product in Modern Live, and then pipe fitting is also more more and more universal, in various fields
Conjunction is widely used, wherein pipe joint as an important building block in pipe fitting, can by between pipe main body that
This is securely joined together, therefore people also increasingly pay close attention to the performance and practicability of pipe joint.
And the greatest problem that existing pipe joint is faced is exactly expanding with heat and contract with cold for pipeline, and after pipeline is heated, pipeline
The phenomenon that will appear stretching and expansion, therefore be easy to will appear between connector to pull, and the phenomenon that squeezed joint, therefore be easy
There is the phenomenon that joint looseness and damage, and when pipeline is by cold events, it will increase the gap with connector, influence sealing effect,
It is easy to appear leakage, and traditional connector, expanding with heat and contract with cold for pipeline is not detected, it can not for the degree expanded with heat and contract with cold
It is observed, the influence expanded with heat and contract with cold for pipeline can not be analyzed.
To solve the above problems, inventor provides the pipe joint fastener for preventing from expanding with heat and contract with cold, in pipeline because of heat expansion
Shrinkage and when deforming, the sealing effect being able to maintain inside and outside for pipeline, and will not occurring between pipeline and connector
Offset the problem of decline so as to avoid the loosening of connector and leakproofness, while can carry out the deformation quantity that pipeline occurs straight
The observation of sight is conducive to analyze the influence because of pipeline deformation butt joint, provides foundation for maintenance in the future.
Summary of the invention
In order to achieve the above object, the present invention is achieved by the following technical programs: preventing the pipe joint expanded with heat and contract with cold
Fastener, including connector, positioning ring, spring, circular hole, groove, upper oil pipe, lower oil pipe, rubber sleeve, petroleum pipeline, creosoted pole, bolt
Plug, wire casing, mark, external screw thread, fixing seat, extrusion ring, pipeline.
Wherein:
The internal slide of the connector is connected with positioning ring, the quantity of the positioning ring altogether there are two, and be symmetrically distributed in
The inside of connector, the two sides of the positioning ring are fixedly connected with spring, and the center of the positioning ring offers circular hole, the positioning
The side of ring towards connector left and right ends opens up fluted, and the two sides up and down of the positioning ring inner groovy offer oil pipe respectively
With lower oil pipe, the upper oil pipe is fixedly connected with rubber sleeve, the upper oil pipe and lower oil pipe close to one end of groove with lower oil pipe
Junction be communicated with petroleum pipeline, the top of the positioning ring is fixedly installed with creosoted pole, and the internal whorl of the creosoted pole connects
It is connected to bolt plug, the periphery of creosoted pole offers wire casing at the top of the connector, and mark has been portrayed in the side of the wire casing, described to connect
The periphery at head both ends offers external screw thread, and the externally threaded outer periphery threads are connected with fixing seat, and the inside of the fixing seat is solid
Dingan County is equipped with extrusion ring, is arranged with pipeline in the connector.
Preferably, the opening of the groove is towards the both ends of connector, and bottom end inner wall is tilted towards opening, when pipeline is stretched
When entering in groove, be conducive to being bonded for pipeline and groove inner wall.
Preferably, the upper oil pipe and lower oil pipe around the inside for being connected to positioning ring, and opening is towards groove,
And it is symmetrical about groove, the inside of the upper oil pipe and lower oil pipe is perfused with hydraulic oil, therefore, when in upper oil pipe and lower oil pipe
When portion's oil pressure increases, rubber sleeve can be made to expand, and then carry out extruding sealing to pipeline.
Preferably, the petroleum pipeline is connected with upper oil pipe and lower oil pipe simultaneously, and runs through creosoted pole, and the creosoted pole is sliding
The dynamic inside for being connected to wire casing can carry out oiling to the inside of upper oil pipe and lower oil pipe by creosoted pole and petroleum pipeline.
Preferably, the bolt plug is made of knob, threaded rod and piston, and piston is slidably connected at the interior of creosoted pole
Therefore portion can be such that piston moves up and down by turning knob, to change the oil pressure inside upper oil pipe and lower oil pipe.
Preferably, the extrusion ring be it is round table-like, and install when, the extrusion ring between pipeline and connector, thus
When screwing extrusion ring, extruding fixation can be carried out to pipeline.
The present invention provides the pipe joint fasteners for preventing from expanding with heat and contract with cold.Have it is following the utility model has the advantages that
1, this prevents the pipe joint fastener to expand with heat and contract with cold, by connecing in head localization ring and positioning ring inner groovy or more
The design of oil pipe and lower oil pipe on two sides, when pipeline deforms because expanding with heat and contract with cold, positioning ring can be in the inside of connector
The sliding controlled, and the oil pressure in upper oil pipe and lower oil pipe is kept constant, and is able to maintain close inside and outside for pipeline
Effect is sealed, so as to avoid pullling between pipeline and connector, and is expanded with heat and contract with cold for the extruding of connector and leakproofness decline
The problem of.
2, this prevents the pipe joint fastener to expand with heat and contract with cold, the design marked by wire casing side, when positioning ring drives
When creosoted pole is slided in wire casing, the deformation quantity that pipeline occurs can intuitively be observed according to mark, to have
It is analyzed conducive to the influence because of pipeline deformation butt joint, provides foundation for maintenance in the future.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of positioning ring of the present invention；
Fig. 3 is the enlarged drawing of structure at A in Fig. 2 of the present invention；
Fig. 4 is the schematic diagram of structure at A-A in Fig. 1 of the present invention.
In figure: 1 connector, 2 positioning rings, 3 springs, 4 circular holes, 5 grooves, oil pipe on 6,7 lower oil pipes, 8 rubber sleeves, 9 petroleum pipelines,
10 creosoted poles, 11 bolt plugs, 12 wire casings, 13 marks, 14 external screw threads, 15 fixing seats, 16 extrusion rings, 17 pipelines.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
This prevents the embodiment of the pipe joint fastener to expand with heat and contract with cold as follows:
Fig. 1-4 is please referred to, the pipe joint fastener to expand with heat and contract with cold, including connector 1, positioning ring 2, spring 3, circular hole are prevented
4, groove 5, upper oil pipe 6, lower oil pipe 7, rubber sleeve 8, petroleum pipeline 9, creosoted pole 10, bolt plug 11, wire casing 12, mark 13, outer spiral shell
Line 14, fixing seat 15, extrusion ring 16, pipeline 17.
Wherein:
The internal slide of connector 1 is connected with positioning ring 2, the quantity of positioning ring 2 altogether there are two, and be symmetrically distributed in connector 1
Inside, the two sides of positioning ring 2 are fixedly connected with spring 3, and the center of positioning ring 2 offers circular hole 4, and positioning ring 2 is towards connector 1
The side of left and right ends opens up fluted 5, and the opening of groove 5 is towards the both ends of connector 1, and bottom end inner wall inclines towards opening
Tiltedly, when pipeline 17 protrudes into groove 5, be conducive to being bonded for pipeline 17 and 5 inner wall of groove, up and down the two of 2 inner groovy 5 of positioning ring
Side offers oil pipe 6 and lower oil pipe 7, the circular inside for being connected to positioning ring 2 of upper oil pipe 6 and lower oil pipe 7 respectively, and is open
Locate towards groove 5, and symmetrical about groove 5, the inside of upper oil pipe 6 and lower oil pipe 7 is perfused with hydraulic oil, therefore, when upper
When oil pipe 6 and lower 7 internal oil pressure of oil pipe increase, rubber sleeve 8 can be made to expand, and then carry out extruding sealing to pipeline 17,
Upper oil pipe 6 is fixedly connected with rubber sleeve 8 close to one end of groove 5 with lower oil pipe 7, and upper oil pipe 6 is connected to the junction of lower oil pipe 7
There is petroleum pipeline 9, petroleum pipeline 9 is connected with upper oil pipe 6 and lower oil pipe 7 simultaneously, and runs through creosoted pole 10, and creosoted pole 10 is slidably connected
In the inside of wire casing 12, oiling, positioning can be carried out to the inside of upper oil pipe 6 and lower oil pipe 7 by creosoted pole 10 and petroleum pipeline 9
The top of ring 2 is fixedly installed with creosoted pole 10, and the internal whorl of creosoted pole 10 is connected with bolt plug 11, bolt plug 11 by knob,
Threaded rod and piston composition, and piston is slidably connected at the inside of creosoted pole 10, therefore, can be made on piston by turning knob
Lower movement passes through 2 inner groovy of positioning ring 2 in connector 1 and positioning ring to change the oil pressure inside upper oil pipe 6 and lower oil pipe 7
The design of oil pipe 6 and lower oil pipe 7 on about 5 two sides, when pipeline 17 deforms because expanding with heat and contract with cold, positioning ring 2 can be
The sliding that the inside of connector 1 is controlled, and the oil pressure in upper oil pipe 6 and lower oil pipe 7 is kept constant, and is able to maintain for pipeline
Sealing effect inside and outside 17 so as to avoid pullling between pipeline 17 and connector 1, and expands with heat and contract with cold for connector 1
Extruding and leakproofness decline the problem of.
The periphery of 1 top creosoted pole 10 of connector offers wire casing 12, and mark 13 has been portrayed in the side of wire casing 12, and 1 liang of connector
The periphery at end offers external screw thread 14, and the outer periphery threads of external screw thread 14 are connected with fixing seat 15, the fixed peace in the inside of fixing seat 15
Equipped with extrusion ring 16, extrusion ring 16 is round table-like, and when installation, extrusion ring 16 is between pipeline 17 and connector 1, thus revolving
When tight extrusion ring 16, extruding fixation can be carried out to pipeline 17, pipeline 17 is arranged in connector 1, marked by 12 side of wire casing
13 design can occur when positioning ring 2 drives creosoted pole 10 to be slided in wire casing 12 according to 13 pairs of pipelines 17 of mark
Deformation quantity intuitively observed, to be conducive to analyze the influence because of 17 deformation butt joint 1 of pipeline, in the future
Maintenance provides foundation.
When in use, the pipeline 17 of two sides is protruded into connector 1, and is inserted into nozzle in the groove 5 of positioning ring 2, it will
Positioning ring 2 is pushed to center, so that nozzle is in contact with the inner wall of groove 5, is then discharged pipeline 17, is made positioning ring 2 in spring 3
Under the action of be moved to centered position, then pass through perfusion liquid in creosoted pole 10 and the upward oil pipe 6 of petroleum pipeline 9 and lower oil pipe 7
Pressure oil, and pressurizeed by rotating bolt plug 11 to it, so that upper oil pipe 6 and the rubber sleeve 8 of lower 7 one end of oil pipe expand
And squeezed with 17 phase of pipeline, so that then fixing seat 15 is threadedly coupled to the effect for playing sealing inside and outside pipeline 17
In the two sides of connector 1, position-limiting action further is carried out to pipeline 17, and when 17 expanded by heating of pipeline, it is able to drive positioning ring 2
It is slided to center, and the hydraulic oil in oil pipe 6 can be compressed and entered in lower oil pipe 7, by the stabilization of oil pressure, still protected
It holds for the sealing inside and outside pipeline 17, when 17 heat shrinkable of pipeline, is able to drive positioning ring 2 and is moved to two sides, and meeting
The hydraulic oil compressed in lower oil pipe 7 enters in oil pipe 6, so that rubber sleeve 8 is still able to maintain the sealing for pipeline 17,
So as to avoid pullling between pipeline 17 and connector 1, and expands with heat and contract with cold and asked for what the extruding of connector 1 and leakproofness declined
Topic, and when positioning ring 2 shifts, it can be observed and be received by the distance of 13 pairs of mark offsets of 12 side of wire casing
Collection.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. preventing the pipe joint fastener to expand with heat and contract with cold, including connector (1), it is characterised in that: the inside of the connector (1) is sliding
Dynamic to be connected with positioning ring (2), the two sides of the positioning ring (2) are fixedly connected with spring (3), and the center of the positioning ring (2) is opened
Equipped with circular hole (4), the side of the positioning ring (2) towards connector (1) left and right ends is opened up fluted (5), the positioning ring (2)
The two sides up and down of inner groovy (5) offer oil pipe (6) and lower oil pipe (7) respectively, and the upper oil pipe (6) and lower oil pipe (7) lean on
One end of nearly groove (5) is fixedly connected rubber sleeve (8), and the junction of the upper oil pipe (6) and lower oil pipe (7) is communicated with oil transportation
It manages (9), the top of the positioning ring (2) is fixedly installed with creosoted pole (10), and the internal whorl of the creosoted pole (10) is connected with
The periphery of bolt plug (11), connector (1) the top creosoted pole (10) offers wire casing (12), and the side of the wire casing (12) is carved
It is decorated with mark (13), the periphery at connector (1) both ends offers external screw thread (14), and the outer periphery threads of the external screw thread (14) connect
It is connected to fixing seat (15), the inside of the fixing seat (15) is fixedly installed with extrusion ring (16), is arranged with pipe in the connector (1)
Road (17).
2. the pipe joint fastener according to claim 1 for preventing from expanding with heat and contract with cold, it is characterised in that: the positioning ring
(2) there are two quantity is total, and it is symmetrically distributed in the inside of connector (1).
3. the pipe joint fastener according to claim 1 for preventing from expanding with heat and contract with cold, it is characterised in that: the groove (5)
Opening towards connector (1) both ends, and bottom end inner wall towards opening tilt.
4. the pipe joint fastener according to claim 1 for preventing from expanding with heat and contract with cold, it is characterised in that: the upper oil pipe
(6) and lower oil pipe (7) around being connected to the inside of positioning ring (2), and opening is towards groove (5), and about groove (5)
Symmetrical, the inside of the upper oil pipe (6) and lower oil pipe (7) is perfused with hydraulic oil.
5. the pipe joint fastener according to claim 1 for preventing from expanding with heat and contract with cold, it is characterised in that: the petroleum pipeline
(9) it is connected simultaneously with upper oil pipe (6) and lower oil pipe (7), and runs through creosoted pole (10), the creosoted pole (10) is slidably connected at
The inside of wire casing (12).
6. the pipe joint fastener according to claim 1 for preventing from expanding with heat and contract with cold, it is characterised in that: the bolt plug
(11) it is made of knob, threaded rod and piston, and piston is slidably connected at the inside of creosoted pole (10).
7. the pipe joint fastener according to claim 1 for preventing from expanding with heat and contract with cold, it is characterised in that: the extrusion ring
It (16) is round table-like, and when installation, the extrusion ring (16) is located between pipeline (17) and connector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615672.6A CN110242806B (en) | 2019-07-09 | 2019-07-09 | Pipeline joint fastener capable of preventing expansion with heat and contraction with cold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615672.6A CN110242806B (en) | 2019-07-09 | 2019-07-09 | Pipeline joint fastener capable of preventing expansion with heat and contraction with cold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242806A true CN110242806A (en) | 2019-09-17 |
| CN110242806B CN110242806B (en) | 2020-12-04 |
Family
ID=67891485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910615672.6A Active CN110242806B (en) | 2019-07-09 | 2019-07-09 | Pipeline joint fastener capable of preventing expansion with heat and contraction with cold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110242806B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962808A (en) * | 2022-08-01 | 2022-08-30 | 河北元丰管道工程有限公司 | Steel bushing steel steam insulating pipe connecting device with two-way sealing function |
| CN115750939A (en) * | 2022-11-28 | 2023-03-07 | 广东福斯特流体技术有限公司 | Drum-shaped joint for aluminum alloy pipe and mounting method of joint |
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|---|---|---|---|---|
| GB857583A (en) * | 1956-03-12 | 1961-01-04 | Bo Nilsson Hoffstrom | Improvements in or relating to plug-and-socket couplings, for example for fluid lines |
| US3601361A (en) * | 1968-08-09 | 1971-08-24 | Wolf Geraete Gmbh | Plug-in coupling for garden and other hoses |
| US4090524A (en) * | 1974-02-11 | 1978-05-23 | Aeroquip Corporation | Frangible valved fitting |
| CN2937743Y (en) * | 2006-08-13 | 2007-08-22 | 徐波 | Quick joint of pipe |
| KR20130086908A (en) * | 2012-01-26 | 2013-08-05 | 박강훈 | A pipe connector |
| CN104455831A (en) * | 2014-11-14 | 2015-03-25 | 无锡伊佩克科技有限公司 | Self-expansion oil pipe connector and using method thereof |
| CN105257925A (en) * | 2015-11-27 | 2016-01-20 | 江苏省绿岛管阀件有限公司 | Seal pipe joint for PP pipes |
| CN108533856A (en) * | 2018-07-06 | 2018-09-14 | 合肥中安机械电器有限公司 | A kind of compressor cooling pipe fitting of ease of assembly |
| CN208431479U (en) * | 2018-05-27 | 2019-01-25 | 西南石油大学 | A kind of oil development pipe connecting structure |
| CN208900886U (en) * | 2018-07-20 | 2019-05-24 | 温州正鑫管业有限公司 | Hermetical connecting structure device in a kind of pipe |
-
2019
- 2019-07-09 CN CN201910615672.6A patent/CN110242806B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB857583A (en) * | 1956-03-12 | 1961-01-04 | Bo Nilsson Hoffstrom | Improvements in or relating to plug-and-socket couplings, for example for fluid lines |
| US3601361A (en) * | 1968-08-09 | 1971-08-24 | Wolf Geraete Gmbh | Plug-in coupling for garden and other hoses |
| US4090524A (en) * | 1974-02-11 | 1978-05-23 | Aeroquip Corporation | Frangible valved fitting |
| CN2937743Y (en) * | 2006-08-13 | 2007-08-22 | 徐波 | Quick joint of pipe |
| KR20130086908A (en) * | 2012-01-26 | 2013-08-05 | 박강훈 | A pipe connector |
| CN104455831A (en) * | 2014-11-14 | 2015-03-25 | 无锡伊佩克科技有限公司 | Self-expansion oil pipe connector and using method thereof |
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| CN208431479U (en) * | 2018-05-27 | 2019-01-25 | 西南石油大学 | A kind of oil development pipe connecting structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962808A (en) * | 2022-08-01 | 2022-08-30 | 河北元丰管道工程有限公司 | Steel bushing steel steam insulating pipe connecting device with two-way sealing function |
| CN114962808B (en) * | 2022-08-01 | 2022-11-01 | 河北元丰管道工程有限公司 | Steel bushing steel steam insulating pipe connecting device with two-way sealing function |
| CN115750939A (en) * | 2022-11-28 | 2023-03-07 | 广东福斯特流体技术有限公司 | Drum-shaped joint for aluminum alloy pipe and mounting method of joint |
| CN115750939B (en) * | 2022-11-28 | 2023-06-30 | 广东福斯特流体技术有限公司 | Drum-shaped joint for aluminum alloy pipe and installation method of joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110242806B (en) | 2020-12-04 |
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