CN103968164A - Pipeline connecting device - Google Patents

Pipeline connecting device Download PDF

Info

Publication number
CN103968164A
CN103968164A CN201410219465.6A CN201410219465A CN103968164A CN 103968164 A CN103968164 A CN 103968164A CN 201410219465 A CN201410219465 A CN 201410219465A CN 103968164 A CN103968164 A CN 103968164A
Authority
CN
China
Prior art keywords
seal ring
pipeline
gland nut
pipelines
connecting device
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.)
Pending
Application number
CN201410219465.6A
Other languages
Chinese (zh)
Inventor
程鸿林
姚海波
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.)
SUZHOU BOXUN INSTRUMENTS CO Ltd
Original Assignee
SUZHOU BOXUN INSTRUMENTS CO Ltd
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 SUZHOU BOXUN INSTRUMENTS CO Ltd filed Critical SUZHOU BOXUN INSTRUMENTS CO Ltd
Priority to CN201410219465.6A priority Critical patent/CN103968164A/en
Publication of CN103968164A publication Critical patent/CN103968164A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00Joints 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
    • F16L19/02Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0206Pipe 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00Joints 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
    • F16L19/02Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0212Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
    • F16L19/0218Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings

Abstract

The invention discloses a pipeline connecting device. The pipeline connecting device comprises two pipeline bodies. A sealing washer is arranged on the portion where the two pipeline bodies are connected. A seal ring is installed outside the sealing washer. An abutting protruding shoulder is arranged on one pipeline body. Gland nuts are installed on the two end faces of the seal ring. The abutting protruding shoulder is fixedly installed on the pipeline body. One end of the abutting protruding shoulder is in contact with one end face of the corresponding gland nut and provides pretightening force for the corresponding gland nut. A spring gasket is installed between the gland nut far away from the pipeline body on the side of the abutting protruding shoulder and the end face of the seal ring. The pipeline connecting device is simple in structure and reasonable in design. Dual safety guarantees are provided for connection and sealing of pipelines. The optimal sealing effect is guaranteed when the pipelines are at high working pressure. When the gland nuts at the connecting position of the pipelines are tightened, no matter whether the pipelines work under the vacuum negative pressure condition or under the high pressure condition, the excellent sealing effect can be provided.

Description

A kind of assembling pipe joint
Technical field
The invention belongs to pipeline connection area, relate in particular to a kind of assembling pipe joint.
Background technique
Assembling pipe joint is the important device during every profession and trade pipeline connects, and more particularly has the assembling pipe joint of strict demand for sealing, pipeline error compensation etc., and the quality of its structure and performance directly affects the effect of pipeline.What straight tube connection at present generally adopted has flange and pipe jointer, flange plate is that one is rigidly connected, in pressure piping, effect is not as pipe jointer, pipe jointer metal shell is interior with rubber seal, sealing effect and dismounting aspect are all better than flange, but there is also substantial not enough problem, the one, seal ring sealing lip adopts single bead structure, when under low working pressure, sealing effect can ensure, but in the time that pipeline is under negative pressure of vacuum or condition of high voltage, sealing lip lip limit is under the relative external broach effect of pipeline and dig, sealing effect declines, even lose seal action.The 2nd, when the pipe head of docking produces axially dislocation in pipe jointer, easily cause pipeline fail in shear rubber sealant, affect sealing effect.Therefore need to provide a kind of connection set that high pressure pipe line connects that is applicable to.
Summary of the invention
For the technical problem of above-mentioned existence, the object of the invention is: proposed a kind of assembling pipe joint, can effectively overcome the problem of pipeline junction leakage of oil.
Technical solution of the present invention is achieved in that a kind of assembling pipe joint, comprise two segment pipe bodies, the joint of described pipe body is provided with seal ring, at seal ring, seal ring is installed outward, on a segment pipe body, be provided with contact convex shoulder, in the two end faces of seal ring, gland nut be installed.
As the preferred technical solution of the present invention, described contact convex shoulder is fixedly mounted on pipe body, and an end contact of its one end and gland nut, for it provides pretightening force.
As the preferred technical solution of the present invention, described seal ring is " O " RunddichtringO, and seal ring is arranged on the neutral position that pipe body connects sealing place.
As the preferred technical solution of the present invention, between the gland nut of the pipe body away from contact convex shoulder one side and seal ring end face, spring pad is installed.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Assembling pipe joint of the present invention, simple in structure, reasonable in design, for providing dual safety, sealing for tubing joints ensures, ensure the optimal seal effect of pipeline under high workload pressure, in the time tightening the gland nut of pipeline junction, no matter pipeline is operated in negative pressure of vacuum or under condition of high voltage, can both provides good sealing effect.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1 is structural representation of the present invention.
In figure: 1-pipe body; 2-seal ring; 3-seal ring; 4-contact convex shoulder; 5-gland nut; 6-spring pad.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Refer to Fig. 1, Fig. 1 is structural representation of the present invention.
Described a kind of assembling pipe joint, comprise two segment pipe bodies 1, the joint of described pipe body 1 is provided with seal ring 2, seal ring 3 is installed outside seal ring 2, and seal ring 3 adopts metal material to make, and on a segment pipe body 1, is provided with contact convex shoulder 4, in the two end faces of seal ring 3, gland nut 5 is installed, described contact convex shoulder 4 is fixedly mounted on pipe body 1, and an end contact of its one end and gland nut 5, for it provides pretightening force.This device ensures for sealing for tubing joints provides dual safety, ensure the optimal seal effect of pipeline under high workload pressure, in the time tightening the gland nut of pipeline junction, no matter pipeline is operated in negative pressure of vacuum or under condition of high voltage, good sealing effect can both be provided, prevent that it from leaking.
Described seal ring 2 is " O " RunddichtringO, and seal ring 2 is arranged on the neutral position that pipe body 1 connects sealing place.Between the gland nut 5 of the pipe body 1 away from contact convex shoulder 4 one sides and seal ring 3 end faces, spring pad 6 is installed, the pretightening force while effectively regulating spinning, strengthens sealing using effect.
Below be only concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technological scheme of formation, within all dropping on rights protection scope of the present invention.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (4)

1. an assembling pipe joint, comprise two segment pipe bodies (1), it is characterized in that: the joint of described pipe body (1) is provided with seal ring (2), seal ring (3) is installed outside seal ring (2), on a segment pipe body (1), be provided with contact convex shoulder (4), in the two end faces of seal ring (3), gland nut (5) be installed.
2. a kind of assembling pipe joint according to claim 1, is characterized in that: it is upper that described contact convex shoulder (4) is fixedly mounted on pipe body (1), and an end contact of its one end and gland nut (5), for it provides pretightening force.
3. a kind of assembling pipe joint according to claim 1, is characterized in that: described seal ring (2) is " O " RunddichtringO, and seal ring (2) is arranged on the neutral position that pipe body (1) connects sealing place.
4. according to a kind of assembling pipe joint described in claim 1 or 2 or 3, it is characterized in that: between the gland nut (5) of the pipe body away from contact convex shoulder (4) one sides (1) and seal ring (3) end face, spring pad (6) is installed.
CN201410219465.6A 2014-05-23 2014-05-23 Pipeline connecting device Pending CN103968164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410219465.6A CN103968164A (en) 2014-05-23 2014-05-23 Pipeline connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410219465.6A CN103968164A (en) 2014-05-23 2014-05-23 Pipeline connecting device

Publications (1)

Publication Number Publication Date
CN103968164A true CN103968164A (en) 2014-08-06

Family

ID=51238004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410219465.6A Pending CN103968164A (en) 2014-05-23 2014-05-23 Pipeline connecting device

Country Status (1)

Country Link
CN (1) CN103968164A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1085245A1 (en) * 1999-09-20 2001-03-21 Legris S.A. Means for connecting a pipe to a tubular body
CN2447610Y (en) * 2000-09-08 2001-09-12 周国平 Double-seal pipe joint
US20050077728A1 (en) * 2003-10-10 2005-04-14 Legris Sa Device for leaktight coupling of a tube to a threaded tubular nose
CN201715135U (en) * 2010-07-09 2011-01-19 兴化市通科机械有限公司 Pipeline fast-repair thread casing joint
CN201723871U (en) * 2010-01-20 2011-01-26 克拉玛依市弘峰科技有限公司 Pipe joint sealing device
CN203131249U (en) * 2013-03-25 2013-08-14 申国强 Internal-thread movable joint

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1085245A1 (en) * 1999-09-20 2001-03-21 Legris S.A. Means for connecting a pipe to a tubular body
CN2447610Y (en) * 2000-09-08 2001-09-12 周国平 Double-seal pipe joint
US20050077728A1 (en) * 2003-10-10 2005-04-14 Legris Sa Device for leaktight coupling of a tube to a threaded tubular nose
CN201723871U (en) * 2010-01-20 2011-01-26 克拉玛依市弘峰科技有限公司 Pipe joint sealing device
CN201715135U (en) * 2010-07-09 2011-01-19 兴化市通科机械有限公司 Pipeline fast-repair thread casing joint
CN203131249U (en) * 2013-03-25 2013-08-14 申国强 Internal-thread movable joint

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140806