CN106523814A - Sleeve type connection flaring type steel pipe fitting - Google Patents

Sleeve type connection flaring type steel pipe fitting Download PDF

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Publication number
CN106523814A
CN106523814A CN201611200228.0A CN201611200228A CN106523814A CN 106523814 A CN106523814 A CN 106523814A CN 201611200228 A CN201611200228 A CN 201611200228A CN 106523814 A CN106523814 A CN 106523814A
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CN
China
Prior art keywords
pipe fitting
sealing ring
groove
guiding groove
seal groove
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
Application number
CN201611200228.0A
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Chinese (zh)
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CN106523814B (en
Inventor
周剑飞
万海华
张旭东
张丽红
朱振芳
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.)
HAIYAN HAIGUAN PIPE FITTING MANUFACTURING Co Ltd
Original Assignee
HAIYAN HAIGUAN PIPE FITTING MANUFACTURING 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.)
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Publication date
Application filed by HAIYAN HAIGUAN PIPE FITTING MANUFACTURING Co Ltd filed Critical HAIYAN HAIGUAN PIPE FITTING MANUFACTURING Co Ltd
Priority to CN201611200228.0A priority Critical patent/CN106523814B/en
Publication of CN106523814A publication Critical patent/CN106523814A/en
Application granted granted Critical
Publication of CN106523814B publication Critical patent/CN106523814B/en
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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
    • F16L19/025Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
    • F16L19/028Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall

Abstract

The invention discloses a sleeve type connection flaring type steel pipe fitting. The sleeve type connection flaring type steel pipe fitting comprises a sleeve type joint, a hexagonal nut block, a front guiding groove, a front sealing ring, a middle body, a first sealing ring, a first sealing groove, a second sealing ring, a second sealing groove, a flaring type pipe fitting, a rear guiding groove, a pipe fitting limiting sleeve, a fastening nut and a limiting groove. The sleeve type connection flaring type steel pipe fitting can be connected in a sleeve manner, has the beneficial effects of a sleeve type pipe joint and a flaring type pipe joint and is high in matching, reasonable in structure, convenient to install, good in anti-vibration performance, sealing performance and working state and beneficial to application and popularization, and mistaken leakage and other failures are not likely to occur.

Description

A kind of bite type connection enlarging formula steel pipe pipe fitting
【Technical field】
The present invention relates to the technical field of pipe fitting, particularly a kind of technology of bite type connection enlarging formula steel pipe pipe fitting Field.
【Background technology】
Pipe joint is the fastening means between pipeline and pipeline, is the tie point that can be dismounted between element and pipeline. Indispensable key player is act as in pipe fitting, it is one of two main composition parts of conduit under fluid pressure.Pipe joint is used for Instrument isoline connects, and type of attachment has socket weld or threaded connection.It is mainly used in small-bore low-pressure line, for needing Jing normal The position of assembly and disassembly or as being used using the final adjustment of threaded fitting pipeline.Version preferably adopts metal covering contact sealing Structure, the version of gasket seal are generally used for conveying on the general pipeline such as water, oil, air.Pipe joint has various kind Class, conventional pipe joint can be generally divided into two kinds of hard pipe joint and hose coupling.If according to the connection of pipe joint and pipeline Dividing, hard pipe joint has three kinds of flared type, bite type and welded type to mode.Flared fitting Applicable media:Oil, Water, Gas etc. Non-aggressive or Korrosionsmedium pipe joint, the specification requirement of adapted steel pipe are more flexible, after pipeline welding, with connection jail The features such as by, good seal performance, thus it is wide in the systems such as oil refining, chemical industry, light industry, weaving, national defence, metallurgy, aviation, ship General employing;It is also applied for the hydraulic drive pipeline such as various mechanical engineerings, machine tool.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of bite type connection enlarging formula steel pipe Part, can be such that flared type steel pipe pipe fitting connects using bite type, have the advantage of ferrule-type compression joint and flared fitting concurrently, Strong, rational in infrastructure, easy for installation, anti-vibration, good airproof performance with property, are less prone to the failures such as error leakage, and working condition is good, Beneficial to popularization and application.
For achieving the above object, the present invention proposes a kind of bite type connection enlarging formula steel pipe pipe fitting, including bite type connects Head, hex nut block, front guiding groove, front sealing ring, intermediate, the first sealing ring, the first seal groove, the second sealing ring, second Seal groove, flared type pipe fitting, rear guiding groove, pipe fitting stop collar, fastening nut, stopper slot, are arranged on the outside of the collar joint There is hex nut block, the collar joint is internally provided with front guiding groove, and the bottom of the front guiding groove is provided with front sealing Circle, the front portion of the intermediate is provided with the first seal groove, the first sealing ring, the centre is provided with first seal groove The rear portion of body is provided with the second seal groove, is provided with the second sealing ring, before the flared type pipe fitting in second seal groove End is provided with rear guiding groove, is arranged with pipe fitting stop collar, is arranged with rear side of the pipe fitting stop collar on the flared type pipe fitting Fastening nut, is provided with stopper slot on the inside of the fastening nut.
Preferably, the collar joint, intermediate, flared type pipe fitting are sequentially communicated, the collar joint, in Mesosome, the axial line of flared type pipe fitting are located along the same line, and the hex nut block is integral type structure with collar joint.
Preferably, the front guiding groove is shaped as the circular arc that bottom gradually tapers up, the bottom of the front guiding groove Limited step is provided with, front sealing ring is fixedly installed on limited step.
Preferably, the front-end and back-end of the intermediate are the circular arc that outer end is shunk to inner side, described first is close Sealing groove is arranged on the middle part of intermediate front end, and the cross sectional shape of first sealing ring is circle, the first sealing ring outermost Side is located at outside the first seal groove, and second seal groove is arranged on the top of intermediate rear end, the section of second sealing ring Generally circular in shape, the second sealing ring outermost is located at outside the second seal groove, and first sealing ring and the second sealing ring are equal For elastic seal ring.
Preferably, the rear guiding groove is shaped as the circular arc that bottom gradually tapers up, the pipe fitting stop collar is arranged In the outside of rear guiding groove, the stopper slot is set in the outside of pipe fitting stop collar.
Preferably, the right-hand member lateral surface of the collar joint is provided with flank, arrange on the inside of the fastening nut There is flank, the collar joint and fastening nut are fixed together by threaded engagement.
Beneficial effects of the present invention:The present invention by by collar joint, hex nut block, front guiding groove, front sealing ring, Intermediate, the first sealing ring, the first seal groove, the second sealing ring, the second seal groove, flared type pipe fitting, rear guiding groove, pipe fitting limit Position set, fastening nut, stopper slot are combined together, and through optimum experimental, flared type steel pipe pipe fitting can be made to connect using bite type Connect, have the advantage of ferrule-type compression joint and flared fitting concurrently, matching is strong, rational in infrastructure, easy for installation, it is anti-vibration, close Envelope property is good, is less prone to the failures such as error leakage, and working condition is good, beneficial to popularization and application.
The feature and advantage of the present invention will combine accompanying drawing by embodiment and be described in detail.
【Description of the drawings】
Fig. 1 is a kind of structural representation of bite type connection enlarging formula steel pipe pipe fitting of the invention.
In figure:Sealing ring, 5- intermediates, 6- first before guiding groove, 4- before 1- collar joints, 2- hex nut blocks, 3- Guiding groove, 12- pipes after sealing ring, the first seal grooves of 7-, the second sealing rings of 8-, the second seal grooves of 9-, 10- flared type pipe fittings, 11- Part stop collar, 13- fastening nuts, 14- stopper slots.
【Specific embodiment】
Refering to Fig. 1, a kind of bite type connection enlarging formula steel pipe pipe fitting of the invention, including collar joint 1, hex nut block 2nd, front guiding groove 3, front sealing ring 4, intermediate 5, the first sealing ring 6, the first seal groove 7, the second sealing ring 8, the second seal groove 9th, flared type pipe fitting 10, rear guiding groove 11, pipe fitting stop collar 12, fastening nut 13, stopper slot 14, outside the collar joint 1 Side is provided with hex nut block 2, and the collar joint 1 is internally provided with front guiding groove 3, the bottom peace of the front guiding groove 3 Equipped with front sealing ring 4, the front portion of the intermediate 5 is provided with the first seal groove 7, is provided with first in first seal groove 7 Sealing ring 6, the rear portion of the intermediate 5 are provided with the second seal groove 9, are provided with the second sealing ring in second seal groove 9 8, the front end of the flared type pipe fitting 10 is provided with rear guiding groove 11, is arranged with pipe fitting stop collar on the flared type pipe fitting 10 12, the rear side of the pipe fitting stop collar 12 is arranged with fastening nut 13, and stopper slot 14, institute are provided with the inside of the fastening nut 13 State collar joint 1, intermediate 5, flared type pipe fitting 10 to be sequentially communicated, the collar joint 1, intermediate 5, flared type pipe The axial line of part 10 is located along the same line, and the hex nut block 2 and collar joint 1 are integral type structure, the leading Guide groove 3 is shaped as the circular arc that bottom gradually tapers up, and the bottom of the front guiding groove 3 is provided with limited step, front sealing ring 4 It is fixedly installed on limited step, the front-end and back-end of the intermediate 5 are the circular arc that outer end is shunk to inner side, described One seal groove 7 is arranged on the middle part of 5 front end of intermediate, and the cross sectional shape of first sealing ring 6 is circle, first sealing 6 outermosts are enclosed outside the first seal groove 7, second seal groove 9 is arranged on the top of 5 rear end of intermediate, and described second is close The cross sectional shape of seal 8 is circle, and 8 outermost of the second sealing ring is located at outside the second seal groove 9, first sealing ring 6 It is elastic seal ring with the second sealing ring 8, the rear guiding groove 11 is shaped as the circular arc that bottom gradually tapers up, the pipe Part stop collar 12 is set in the outside of rear guiding groove 11, and the stopper slot 14 is set in the outside of pipe fitting stop collar 12, the card The right-hand member lateral surface of shell type joint 1 is provided with flank, and flank is provided with the inside of the fastening nut 13, and the bite type connects 1 and fastening nut 13 be fixed together by threaded engagement.
The course of work of the present invention:
The present invention is by by collar joint 1, hex nut block 2, front guiding groove 3, front sealing ring 4, intermediate 5, first Sealing ring 6, the first seal groove 7, the second sealing ring 8, the second seal groove 9, flared type pipe fitting 10, rear guiding groove 11, pipe fitting are spacing Set 12, fastening nut 13, stopper slot 14 are combined together, and through optimum experimental, flared type steel pipe pipe fitting can be made to adopt cutting ferrule Formula connects, and has the advantage of ferrule-type compression joint and flared fitting concurrently, and matching is strong, rational in infrastructure, easy for installation, antivibration Dynamic, good airproof performance, is less prone to the failures such as error leakage, and working condition is good, beneficial to popularization and application.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after Scheme belong to protection scope of the present invention.

Claims (6)

1. a kind of bite type connection enlarging formula steel pipe pipe fitting, it is characterised in that:Including collar joint (1), hex nut block (2), front guiding groove (3), front sealing ring (4), intermediate (5), the first sealing ring (6), the first seal groove (7), the second sealing ring (8), the second seal groove (9), flared type pipe fitting (10), rear guiding groove (11), pipe fitting stop collar (12), fastening nut (13), limit Position groove (14), is provided with hex nut block (2) on the outside of the collar joint (1), the collar joint (1) is internally provided with Front guiding groove (3), the bottom of the front guiding groove (3) are provided with front sealing ring (4), and the front portion of the intermediate (5) is provided with First sealing ring (6) is installed in the first seal groove (7), first seal groove (7), the rear portion of the intermediate (5) is arranged Have in the second seal groove (9), second seal groove (9) and the second sealing ring (8) is installed, before the flared type pipe fitting (10) End is provided with rear guiding groove (11), and pipe fitting stop collar (12), the pipe fitting stop collar are arranged with the flared type pipe fitting (10) (12) fastening nut (13) is arranged with rear side of, on the inside of the fastening nut (13), stopper slot (14) is provided with.
2. a kind of bite type connection enlarging formula steel pipe pipe fitting as claimed in claim 1, it is characterised in that:The collar joint (1), intermediate (5), flared type pipe fitting (10) are sequentially communicated, the collar joint (1), intermediate (5), flared type pipe fitting (10) axial line is located along the same line, and the hex nut block (2) and collar joint (1) are integral type structure.
3. a kind of bite type connection enlarging formula steel pipe pipe fitting as claimed in claim 1, it is characterised in that:The front guiding groove (3) be shaped as the circular arc that bottom gradually tapers up, the bottom of the front guiding groove (3) is provided with limited step, front sealing ring (4) it is fixedly installed on limited step.
4. a kind of bite type connection enlarging formula steel pipe pipe fitting as claimed in claim 1, it is characterised in that:The intermediate (5) Front-end and back-end be the circular arc that outer end is shunk to inner side, first seal groove (7) is arranged on intermediate (5) front end Middle part, the cross sectional shape of first sealing ring (6) is circle, and the first sealing ring (6) outermost is positioned at the first seal groove (7) outward, second seal groove (9) is arranged on the top of intermediate (5) rear end, the cross sectional shape of second sealing ring (8) For circle, positioned at the second seal groove (9) outward, first sealing ring (6) and second seals the second sealing ring (8) outermost Circle (8) is elastic seal ring.
5. a kind of bite type connection enlarging formula steel pipe pipe fitting as claimed in claim 1, it is characterised in that:The rear guiding groove (11) be shaped as the circular arc that bottom gradually tapers up, the pipe fitting stop collar (12) is set in the outside of rear guiding groove (11), The stopper slot (14) is set in the outside of pipe fitting stop collar (12).
6. a kind of bite type connection enlarging formula steel pipe pipe fitting as claimed in claim 1, it is characterised in that:The collar joint (1) right-hand member lateral surface is provided with flank, is provided with flank, the collar joint on the inside of the fastening nut (13) (1) it is fixed together by threaded engagement with fastening nut (13).
CN201611200228.0A 2016-12-22 2016-12-22 A kind of bite type connection enlarging formula steel pipe pipe fitting Active CN106523814B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611200228.0A CN106523814B (en) 2016-12-22 2016-12-22 A kind of bite type connection enlarging formula steel pipe pipe fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611200228.0A CN106523814B (en) 2016-12-22 2016-12-22 A kind of bite type connection enlarging formula steel pipe pipe fitting

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CN106523814B CN106523814B (en) 2018-11-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019205770A1 (en) * 2018-04-23 2019-10-31 日丰企业(佛山)有限公司 Connecting pipe fitting, pipe assembly and pipe connecting method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2041757U (en) * 1988-12-06 1989-07-26 沈阳工程机械厂 High-pressure tube joint
JP2000161553A (en) * 1998-11-26 2000-06-16 Sekisui Chem Co Ltd Pipe joint
CN103807526A (en) * 2012-11-13 2014-05-21 南车青岛四方机车车辆股份有限公司 Clamping sleeve type metal sealing pipe joint and using method thereof
CN104595599A (en) * 2015-01-07 2015-05-06 董增斌 Novel hydraulic pipe joint
CN205504291U (en) * 2016-04-11 2016-08-24 上海丽诺韵流体连接件有限公司 Flaring connects core
CN206386586U (en) * 2016-12-22 2017-08-08 海盐县海管管件制造有限公司 A kind of bite type connection enlarging formula steel pipe pipe fitting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2041757U (en) * 1988-12-06 1989-07-26 沈阳工程机械厂 High-pressure tube joint
JP2000161553A (en) * 1998-11-26 2000-06-16 Sekisui Chem Co Ltd Pipe joint
CN103807526A (en) * 2012-11-13 2014-05-21 南车青岛四方机车车辆股份有限公司 Clamping sleeve type metal sealing pipe joint and using method thereof
CN104595599A (en) * 2015-01-07 2015-05-06 董增斌 Novel hydraulic pipe joint
CN205504291U (en) * 2016-04-11 2016-08-24 上海丽诺韵流体连接件有限公司 Flaring connects core
CN206386586U (en) * 2016-12-22 2017-08-08 海盐县海管管件制造有限公司 A kind of bite type connection enlarging formula steel pipe pipe fitting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019205770A1 (en) * 2018-04-23 2019-10-31 日丰企业(佛山)有限公司 Connecting pipe fitting, pipe assembly and pipe connecting method

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