CN204459556U - A kind of steel pipe expansion joint - Google Patents

A kind of steel pipe expansion joint Download PDF

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Publication number
CN204459556U
CN204459556U CN201520144273.3U CN201520144273U CN204459556U CN 204459556 U CN204459556 U CN 204459556U CN 201520144273 U CN201520144273 U CN 201520144273U CN 204459556 U CN204459556 U CN 204459556U
Authority
CN
China
Prior art keywords
tubule
extra heavy
pipe
heavy pipe
interior
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.)
Expired - Fee Related
Application number
CN201520144273.3U
Other languages
Chinese (zh)
Inventor
李听霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Holy Dragon Equipment Science And Technology Ltd Of Handan City
Original Assignee
Holy Dragon Equipment Science And Technology Ltd Of Handan City
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Holy Dragon Equipment Science And Technology Ltd Of Handan City filed Critical Holy Dragon Equipment Science And Technology Ltd Of Handan City
Priority to CN201520144273.3U priority Critical patent/CN204459556U/en
Application granted granted Critical
Publication of CN204459556U publication Critical patent/CN204459556U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of steel pipe expansion joint, it comprises inner and outer tubes, interior pipe comprises inner tubule and extra heavy pipe in being connected with inner tubule, the free end of inner tubule is provided with interior pipe flange, on inner tubule, movable sheath is equipped with limited cover, limited cover is provided with interior connecting thread, interior extra heavy pipe radial direction is provided with two or more groove, seal ring is equipped with in groove, the outer tubule that outer tube comprises outer extra heavy pipe and is connected with outer extra heavy pipe, the free end of outer extra heavy pipe is provided with adpting flange, adpting flange is provided with the screw that described connecting screw hole is corresponding, the free end of outer tubule is provided with outer pipe flange, it is inner that inner tubule activity is inserted in outer extra heavy pipe, limited cover and outer extra heavy pipe are connected by the interior connecting thread that mutually mates and outer connecting thread, the external diameter of interior extra heavy pipe is equal with the internal diameter of outer extra heavy pipe, the internal diameter of inner tubule is equal with the internal diameter of outer tubule.The internal diameter of inner tubule is equal with the internal diameter of outer tubule.The utility model it to possess structure simple, telescopic feature.

Description

A kind of steel pipe expansion joint
Technical field
The utility model relates to a kind of steel pipe expansion joint.
Background technique
At present, in building field or petroleum transportation field, pipe coupling is generally permanent joint link, and this just causes the pipeline when earthquake to produce fracture, affects the normal work of water supply line, for life brings impact.
Model utility content
The purpose of this utility model is the defect overcoming prior art, provides a kind of steel pipe expansion joint, and it is simple that it possesses structure, telescopic feature.
To achieve these goals, the technological scheme taked of the utility model is as follows:
A kind of steel pipe expansion joint, it comprises inner and outer tubes, described interior pipe comprises inner tubule and extra heavy pipe in being connected with described inner tubule, the free end of described inner tubule is provided with interior pipe flange, on described inner tubule, movable sheath is equipped with limited cover, described limited cover is provided with interior connecting thread, described interior extra heavy pipe radial direction is provided with two or more groove, seal ring is equipped with in described groove, the outer tubule that described outer tube comprises outer extra heavy pipe and is connected with described outer extra heavy pipe, the free end of described outer extra heavy pipe is provided with adpting flange, described adpting flange is provided with the corresponding screw of described connecting screw hole, the free end of described outer tubule is provided with outer pipe flange, it is inner that described inner tubule activity is inserted in described outer extra heavy pipe, described limited cover and described outer extra heavy pipe are connected by the interior connecting thread that mutually mates and outer connecting thread, the external diameter of described interior extra heavy pipe is equal with the internal diameter of described outer extra heavy pipe, the internal diameter of described inner tubule is equal with the internal diameter of described outer tubule.
Compared with prior art, the beneficial effect acquired by the utility model is as follows:
The utility model inner tubule can free-extension in extra heavy pipe outside, due to the setting of seal ring, ensures that the liquid in pipeline does not outflow.Ensure that pipeline junction adjustability is large, meet the fine setting of docking pipeline, and effectively reduce the damage of pipeline in earthquake, it is simple that the utility model possesses structure, telescopic feature.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
In the accompanying drawings: pipe flange, 21 outer extra heavy pipes, 22 outer tubules, 23 outer pipe flanges, 3 seal rings, 4 limited covers, 41 connecting screw holes in extra heavy pipe, 13 grooves, 14 in 11 inner tubules, 12.
Embodiment
Below in conjunction with accompanying drawing, detailed further describing is carried out to the utility model.
As shown in Figure 1, a kind of it comprises inner and outer tubes, described interior pipe comprises inner tubule 11 and extra heavy pipe 12 in being connected with described inner tubule 11, the free end of described inner tubule 11 is provided with interior pipe flange 14, on described inner tubule 11, movable sheath is equipped with limited cover 4, described limited cover 4 is provided with interior connecting thread, described interior extra heavy pipe 12 radial direction is provided with two or more annular groove 13, seal ring 3 is equipped with in described groove 13, the outer tubule 22 that described outer tube comprises outer extra heavy pipe 21 and is connected with described outer extra heavy pipe 21, the free end of described outer extra heavy pipe 21 is provided with the outer connecting thread mated with described interior connecting thread, the free end of described outer tubule 22 is provided with outer pipe flange 23, it is inner that the activity of described inner tubule 11 is inserted in described outer extra heavy pipe 21, described limited cover 4 and described outer extra heavy pipe 21 are connected by the interior connecting thread that mutually mates and outer connecting thread, the external diameter of described interior extra heavy pipe 12 is equal with the internal diameter of described outer extra heavy pipe 21, the internal diameter of described inner tubule 11 is equal with the internal diameter of described outer tubule 22.
In use, planted to by inner tubule in outer extra heavy pipe, be then connected with outer extra heavy pipe by limited cover with the outer connecting thread of outer extra heavy pipe by the interior connecting thread of limited cover, inner tubule can free-extension in outer extra heavy pipe again, owing to being provided with seal ring, the proper flow of liquid can being ensured and do not leak.Limited cover is limit structure, after interior extra heavy pipe contacts with limited cover, cannot elongate again, avoids interior pipe to deviate from.
The above mode of execution is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the utility model.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the utility model principle and spirit, all should be contemplated as falling with within claims of the present utility model.

Claims (1)

1. a steel pipe expansion joint, it is characterized in that, it comprises inner and outer tubes, the interior extra heavy pipe (12) that described interior pipe comprises inner tubule (11) and is connected with described inner tubule (11), the free end of described inner tubule (11) is provided with interior pipe flange (14), the upper movable sheath of described inner tubule (11) is equipped with limited cover (4), (4) are provided with interior connecting thread to described limited cover, described interior extra heavy pipe (12) radial direction is provided with two or more annular groove (13), seal ring (3) is equipped with in described groove (13), the outer tubule (22) that described outer tube comprises outer extra heavy pipe (21) and is connected with described outer extra heavy pipe (21), the free end of described outer extra heavy pipe (21) is provided with the outer connecting thread mated with described interior connecting thread, the free end of described outer tubule (22) is provided with outer pipe flange (23), it is inner that described inner tubule (11) activity is inserted in described outer extra heavy pipe (21), described limited cover (4) and described outer extra heavy pipe (21) are connected by the interior connecting thread that mutually mates and outer connecting thread, the external diameter of described interior extra heavy pipe (12) is equal with the internal diameter of described outer extra heavy pipe (21), the internal diameter of described inner tubule (11) is equal with the internal diameter of described outer tubule (22).
CN201520144273.3U 2015-03-15 2015-03-15 A kind of steel pipe expansion joint Expired - Fee Related CN204459556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520144273.3U CN204459556U (en) 2015-03-15 2015-03-15 A kind of steel pipe expansion joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520144273.3U CN204459556U (en) 2015-03-15 2015-03-15 A kind of steel pipe expansion joint

Publications (1)

Publication Number Publication Date
CN204459556U true CN204459556U (en) 2015-07-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520144273.3U Expired - Fee Related CN204459556U (en) 2015-03-15 2015-03-15 A kind of steel pipe expansion joint

Country Status (1)

Country Link
CN (1) CN204459556U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179848A (en) * 2015-09-21 2015-12-23 康泰塑胶科技集团有限公司 Connection telescopic pipe fitting for underground pipe network
CN105179862A (en) * 2015-09-17 2015-12-23 山东钢铁股份有限公司 Expansion joint
CN106038110A (en) * 2016-07-12 2016-10-26 天津市鑫成新科贸有限公司 Lifting structure of wheelchair universal wheel
CN106287063A (en) * 2016-11-02 2017-01-04 崔咪笑 A kind of scalable fixing pipe
CN106678469A (en) * 2017-02-28 2017-05-17 曾广新 Extending-and-contracting connection pipe
CN107588258A (en) * 2017-10-30 2018-01-16 曾广新 Telescoping tube and telescoping tube group
CN107940146A (en) * 2017-12-01 2018-04-20 深圳市拓安信计控仪表有限公司 A kind of screwed pipe and flow meter assembly with Telescopic
WO2018157270A1 (en) * 2017-02-28 2018-09-07 曾广新 Telescopic connecting pipe
CN111424552A (en) * 2020-04-08 2020-07-17 山东交通学院 Continuous section corrugated pipe connecting device for continuous T-beam bridge pier top and using method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179862A (en) * 2015-09-17 2015-12-23 山东钢铁股份有限公司 Expansion joint
CN105179848A (en) * 2015-09-21 2015-12-23 康泰塑胶科技集团有限公司 Connection telescopic pipe fitting for underground pipe network
CN106038110A (en) * 2016-07-12 2016-10-26 天津市鑫成新科贸有限公司 Lifting structure of wheelchair universal wheel
CN106287063A (en) * 2016-11-02 2017-01-04 崔咪笑 A kind of scalable fixing pipe
CN106678469A (en) * 2017-02-28 2017-05-17 曾广新 Extending-and-contracting connection pipe
WO2018157270A1 (en) * 2017-02-28 2018-09-07 曾广新 Telescopic connecting pipe
CN107588258A (en) * 2017-10-30 2018-01-16 曾广新 Telescoping tube and telescoping tube group
CN107940146A (en) * 2017-12-01 2018-04-20 深圳市拓安信计控仪表有限公司 A kind of screwed pipe and flow meter assembly with Telescopic
CN111424552A (en) * 2020-04-08 2020-07-17 山东交通学院 Continuous section corrugated pipe connecting device for continuous T-beam bridge pier top and using method
CN111424552B (en) * 2020-04-08 2021-11-23 山东交通学院 Continuous section corrugated pipe connecting device for continuous T-beam bridge pier top and using method

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Date Code Title Description
C14 Grant of patent or utility model
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: 20150708

Termination date: 20160315