CN104696651A - Fast pipe joint insertion structure - Google Patents

Fast pipe joint insertion structure Download PDF

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Publication number
CN104696651A
CN104696651A CN201410718869.XA CN201410718869A CN104696651A CN 104696651 A CN104696651 A CN 104696651A CN 201410718869 A CN201410718869 A CN 201410718869A CN 104696651 A CN104696651 A CN 104696651A
Authority
CN
China
Prior art keywords
plug
hole
buckle
pipe joint
seal ring
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
CN201410718869.XA
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Chinese (zh)
Inventor
项胜华
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.)
ZHEJIANG ULTRA-RUN LUBRICATION COMPONENTS Co Ltd
Original Assignee
ZHEJIANG ULTRA-RUN LUBRICATION COMPONENTS 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 ZHEJIANG ULTRA-RUN LUBRICATION COMPONENTS Co Ltd filed Critical ZHEJIANG ULTRA-RUN LUBRICATION COMPONENTS Co Ltd
Priority to CN201410718869.XA priority Critical patent/CN104696651A/en
Publication of CN104696651A publication Critical patent/CN104696651A/en
Pending legal-status Critical Current

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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
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/091Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention relates to a fast pipe joint insertion structure. According to the fast pipe joint insertion structure, the defect of low efficiency caused by the fact that conventional pipe joint connection adopts a threaded manner and can be completed through assistance and matching of other tools. The fast pipe joint insertion structure comprises a joint body, wherein inner holes allowing a pipe to penetrate through are formed in the joint body and comprise a liquid hole, an access hole, an open type seal ring hole and a plug hole; a plug is arranged in the plug hole; the end part of the plug closes the open type seal ring hole to form a seal ring slot hole; a seal ring is arranged in the seal ring slot hole; a buckle for buckling the pipe is arranged in the plug; the outer wall of the buckle and the inner wall of the plug form a retaining structure. The seal ring, the plug and the buckle are sequentially placed in the inner holes, the pipe penetrates through the buckle, the plug and the seal ring from outside and extends to the end of the access hole, the buckle buckles the outer surface of the pipe, the pipe connection adopts an insertion manner, other auxiliary tools are not required, a wrench for threaded screwing is not required, and the efficiency is high; the seal ring is mounted in the open type seal ring hole, the processing is convenient, and the seal ring is convenient to mount.

Description

The fast inserting structure of pipe joint
Technical field
The present invention relates to a kind of pipe joint connecting structure, especially a kind of fast inserting structure of pipe joint being used in connection lubrication system each element oil inlet and outlet.
Background technique
Pipe joint is the fastening means between pipeline and pipeline, is can the tie point of dismounting between element and pipeline.Act as indispensable key player in the tube, it is one of two main composition parts of hydraulic tubing.
Pipe joint has various kind, and conventional pipe joint generally can be divided into hard pipe joint and hose coupling two kinds.If divided according to the Placement of pipe joint and pipeline, hard pipe joint has flared type, FERRULETYPE and welding type three kinds, hose coupling then mainly fastening-pressing type rubber hose coupling.
The connection of pipeline and pipe joint is mainly connected by the mode of screw thread, and therefore need other tool-aided engagement just can complete connection, the efficiency of connection is lower.
And in order to ensure the sealing connected, generally all need to use seal ring, this just needs to process seal groove and carrys out fitting tight circle.The processing of seal groove, is directly stretch in hole, then cuts out a groove, and the both sides of groove are still former hole size, are equivalent to the first half of concave shape.But this mode, size is not easily grasped, and the severity control of groove is more difficult, and then can affect the sealing effect of seal ring, when fitting tight circle, also there is a larger difficult problem, because the collar extension in hole is also less, cumbersome in groove seal ring being tucked into processing, the way of present compromise is exactly strengthened in the endoporus aperture filling in end, be convenient to seal ring fill in, but this can affect the sealability of seal ring, during high pressure, seal ring has in the gap be squeezed into because strengthening the formation of endoporus aperture.
Summary of the invention
The invention solves existing pipe joint and connect employing engagement thread, need other tool-aided engagement just can complete, there is inefficient defect, there is provided a kind of pipe joint fast inserting structure, directly adopt socket connection, assist without the need to other instruments, connect fast, efficiency is high.
This invention also solves existing pipe joint and connect the sealing of use seal ring, cutter directly stretches in hole and processes seal groove, size is wayward, the easy defect affecting seal ring sealing effect, there is provided a kind of pipe joint fast inserting structure, go out the sealing collar aperture of two sides opening with tool sharpening, convenient processing, does not affect seal ring sealing effect.
This invention also solves existing pipe joint and connect the sealing of use seal ring, seal ring is filled in cumbersome, expand seal ring and fill in aperture, the defect of sealing ring tightness energy can be affected, there is provided a kind of pipe joint fast inserting structure, use the sealing collar aperture of two sides opening, conveniently seal ring is installed, does not affect seal ring sealing effect.
The technical solution adopted for the present invention to solve the technical problems is: the fast inserting structure of a kind of pipe joint, comprise fittings body, fittings body inside is provided with the endoporus wearing pipe, endoporus comprises fluid apertures, port hole, open sealing collar aperture and plug hole, plug is placed with plug in hole, and plugged end is closed open sealing collar aperture and formed seal ring slotted eye, is placed with seal ring in seal ring slotted eye, be provided with the buckle fastening pipe in plug, buckle outer wall and plug inwall form backing stop structure.Seal ring, plug and buckle is placed successively in endoporus, pipe passes buckle, plug and seal ring from outside, and extend to the port hole end, buckle fastens pipe appearance, and pipe connects employing inserting mode, without the need to other assistant tools, more carry out screw thread without spanner to screw, efficiency is high, and overall assembling is fast, and pipe connects quick and convenient; What install seal ring is open sealing collar aperture, easy to process, and install seal ring and also facilitate, plugged end closes open sealing collar aperture, does not affect sealing ring tightness energy again; Between buckle and plug, there is backing stop structure, pipe back leg can be prevented after such buckle fastens tube outer wall, also would not occur seal defect; Backing stop structure can adopt broken ring retaining, fluking type retaining; The fittings body of this fast inserting structure can be oil circuit joint, or the joint on oil path distributor.
Buckle will fasten pipe, and simultaneously buckle can be placed in plug again, and therefore, the varistructure that one end of buckle is enclosed by some claws, leaves gap between claw and claw.The end of buckle is surrounded by claw, is gap between claw, makes the end of buckle resiliently deformable can occur.
After fastening tube outer wall for preventing buckle, slippage occurs, the inwall of the end of claw is provided with edge, and the cross section of edge is wedge angle, and the diameter of a circle at the place, tip of edge is less than claw inwall place diameter of a circle.
Further illustrate backing stop structure: plug inwall is divided into two-part, a part is towards the thin section of open sealing collar aperture, and another part is thick portion, by plane of inclination transition between thin section and thick portion.
The outer wall of one end that buckle is inserted in plug is provided with the retaining limit of matching with plane of inclination, and retaining limit and plane of inclination constitute the backing stop structure of buckle and plug.
Buckle is wanted to be inserted in plug smoothly, buckle prevents buckle from deviating from plug again after fastening pipe, the minimum diameter of plug be greater than buckle free time end capacity compression after limit external diameter, plug minimum diameter to be less than again when buckle fastens pipe limit external diameter after end capacity compression.
As preferably, the endoporus of fittings body inside is shoulder hole, and the diameter of fluid apertures is minimum, and the diameter of port hole takes second place, and the diameter of open sealing collar aperture is greater than port hole diameter, and plug bore dia is maximum, and the diameter of port hole is equal with the external diameter of pipe.The convenient processing of shoulder hole, all parts is installed in convenient inside again simultaneously, and can position all parts.
As preferably, plug Kongzui inner end place is placed with metal washer, and metal washer closes the side openings of open sealing collar aperture and press seal circle, and metal washer is withstood in the end of plug.Carry out closed open sealing collar aperture by metal washer, baffle seal circle, without the need to plug baffle seal circle, thus can reduce the machining accuracy of plug simultaneously, and the precision of metal washer improves fairly simple again.
As preferably, be transition fit between metal washer and plug hole inwall, matching gap is 0.05-0.15mm, and the internal diameter of metal washer designs according to pipe joint withstand voltage properties.
As preferably, the outer surface of plug is ladder appearance, and fittings body is choke in the end in plug hole, and plug extend into the one end in plug hole and plug hole is interference fit, and choke reducing also blocks plug.
The invention has the beneficial effects as follows: in endoporus, place seal ring, plug and buckle successively, pipe passes buckle, plug and seal ring from outside, and extend to the port hole end, buckle fastens pipe appearance, pipe connects employing inserting mode, without the need to other assistant tools, more carry out screw thread without spanner and screw, efficiency is high; What install seal ring is open sealing collar aperture, easy to process, and install seal ring and also facilitate, plugged end closes open sealing collar aperture, does not affect sealing ring tightness energy again.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of a kind of plug of the present invention;
Fig. 3 is the structural representation of a kind of buckle of the present invention;
Fig. 4 is the present invention's one assembling decomposing schematic representation;
In figure: 1, fittings body, 2, endoporus, 3, port hole, 4, open sealing collar aperture, 5, plug hole, 6, seal ring, 7, metal washer, 8, choke, 9, plug, 10, buckle, 11, thin section, 12, plane of inclination, 13, thick portion, 14, flange part, 15, retaining limit, 16, edge, 17, gap, 18, claw.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment: the fast inserting structure of a kind of pipe joint (see accompanying drawing 1), comprises fittings body 1, fittings body inside is provided with the endoporus 2 wearing pipe, and endoporus is stepped.Endoporus comprise distribute successively fluid apertures, port hole 3, open sealing collar aperture 4 and plug hole 5.The diameter of fluid apertures is minimum, and the diameter of port hole takes second place, and the diameter of open sealing collar aperture is greater than port hole diameter, and plug bore dia is maximum, and the diameter of port hole is equal with the external diameter of pipe.Fittings body is choke 8 in one end, plug hole.
Seal ring 6 is placed with in open sealing collar aperture, open sealing collar aperture is Open architecture towards the side in plug hole, position, inner end, plug hole is placed with metal washer 7, the side openings that metal washer closes open sealing collar aperture forms seal ring slotted eye, metal washer press seal circle simultaneously, be transition fit between metal washer and plug hole inwall, matching gap is 0.05-0.15mm, and the internal diameter of metal washer designs according to pipe joint withstand voltage properties.Be placed with plug 9 in plug hole, metal washer is withstood in the end of plug, and choke reducing also blocks plug.The buckle 10 fastening pipe is provided with in plug.
The outer surface of plug is ladder appearance, and plug extend into the one end in plug hole and plug hole is interference fit, blocks ladder appearance during choke reducing.Plug inwall is divided into two-part (see accompanying drawing 2), and a part is towards the thin section 11 of open sealing collar aperture, and another part is thick portion 13, by plane of inclination 12 transition between thin section and thick portion.Buckle one end extend in plug is the outer radius variable structure (see accompanying drawing 3) enclosed by some claws 18, leaves gap 17 between claw and claw, and the other end of buckle is the flange part 14 that diameter is greater than plug internal diameter.The inwall of the end of claw is provided with edge 16, and the cross section of edge is wedge angle, and the diameter of a circle at the place, tip of edge is less than claw inwall place diameter of a circle.The outer wall of one end that buckle is inserted in plug is provided with the retaining limit 15 of matching with plane of inclination, and retaining limit and plane of inclination constitute the backing stop structure of buckle and plug.The minimum diameter of plug be greater than buckle free time end capacity compression after limit external diameter, plug minimum diameter to be less than again when buckle fastens pipe limit external diameter after end capacity compression.
During assembling, seal ring 6 is put into outside to inside from plug hole, seal ring is placed in open sealing collar aperture 4 always, then metal washer 7 is put into, metal washer closes the side openings of open sealing collar aperture, then plug 9 is encased in plug hole, metal washer is withstood in the end of plug, then plug is blocked in the choke reducing of fittings body, finally claw one end of buckle 10 is shunk and be then encased in plug, retaining limit is in the position at the thin section place of plug, and buckle opens after loading under restoring force effect, so far completes assembling.Then pipe directly inserts from the outer end of bayonet socket, and the end of pipe, until the deep of port hole, realizes fast inserting and connects (see accompanying drawing 4).The claw of buckle fastens pipe appearance, if pipe retreats, then buckle also retreats simultaneously, the retaining limit of buckle coordinates with plane of inclination draws claw in, make claw more clamp pipe, under the effect of plane of inclination, buckle stops exiting, and claw fastens pipe and prevents pipe from deviating from.
Embodiment 2: the fast inserting structure of a kind of pipe joint, the inwall of the claw of buckle is leaning structure, the diameter of the inwall of clawed end portions is less than the diameter of the inwall of claw root, the inwall of claw is made to have larger angle of inclination, claw can not cause bite mark to tube outer wall when fastening tube outer wall, in order to increase the anticreep ability of pipe, the inwall of claw can set up stamp, increases the frictional force with tube outer wall.All the other structures are with reference to embodiment 1.
Above-described embodiment is two kinds of preferred version of the present invention, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technological scheme described in claim.

Claims (10)

1. the fast inserting structure of pipe joint, comprise fittings body, fittings body inside is provided with the endoporus wearing pipe, it is characterized in that endoporus comprises fluid apertures, port hole, open sealing collar aperture and plug hole, plug is placed with plug in hole, and plugged end is closed open sealing collar aperture and formed seal ring slotted eye, is placed with seal ring in seal ring slotted eye, be provided with the buckle fastening pipe in plug, buckle outer wall and plug inwall form backing stop structure.
2. the fast inserting structure of pipe joint according to claim 1, is characterized in that the varistructure that one end of buckle is enclosed by some claws leaving gap between claw and claw.
3. the fast inserting structure of pipe joint according to claim 2, is characterized in that the inwall of the end of claw is provided with edge, and the cross section of edge is wedge angle, and the diameter of a circle at the place, tip of edge is less than claw inwall place diameter of a circle.
4. the fast inserting structure of pipe joint according to claim 1 or 2 or 3, is characterized in that plug inwall is divided into two-part, and a part is towards the thin section of open sealing collar aperture, and another part is thick portion, by plane of inclination transition between thin section and thick portion.
5. the fast inserting structure of pipe joint according to claim 4, it is characterized in that the outer wall of one end that buckle is inserted in plug is provided with the retaining limit of matching with plane of inclination, retaining limit and plane of inclination constitute the backing stop structure of buckle and plug.
6. the fast inserting structure of pipe joint according to claim 4, it is characterized in that the minimum diameter of plug be greater than buckle free time end capacity compression after limit external diameter, plug minimum diameter to be less than again when buckle fastens pipe limit external diameter after end capacity compression.
7. the fast inserting structure of pipe joint according to claim 1, it is characterized in that the endoporus of fittings body inside is shoulder hole, the diameter of fluid apertures is minimum, the diameter of port hole takes second place, the diameter of open sealing collar aperture is greater than port hole diameter, plug bore dia is maximum, and the diameter of port hole is equal with the external diameter of pipe.
8. the fast inserting structure of the pipe joint according to claim 1 or 6, is characterized in that plug Kongzui inner end place is placed with metal washer, and metal washer closes the side openings of open sealing collar aperture and press seal circle, and metal washer is withstood in the end of plug.
9. the fast inserting structure of pipe joint according to claim 8, it is characterized in that between metal washer and plug hole inwall being transition fit, matching gap is 0.05-0.15mm, and the internal diameter of metal washer designs according to pipe joint withstand voltage properties.
10. the fast inserting structure of pipe joint according to claim 1 or 2 or 3 or 7, it is characterized in that the outer surface of plug is ladder appearance, fittings body is choke in the end in plug hole, and plug extend into the one end in plug hole and plug hole is interference fit, and choke reducing also blocks plug.
CN201410718869.XA 2014-12-03 2014-12-03 Fast pipe joint insertion structure Pending CN104696651A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201410718869.XA CN104696651A (en) 2014-12-03 2014-12-03 Fast pipe joint insertion structure

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805445A (en) * 2016-04-11 2016-07-27 成都格瑞思文化传播有限公司 Water pipe connector
CN107255200A (en) * 2017-08-16 2017-10-17 深圳市斯普雷博科技有限公司 A kind of interpolation type double-walled electric smelting bend pipe tools
CN107827172A (en) * 2017-11-14 2018-03-23 珠海格力电器股份有限公司 Connection structure and water treatment facilities of integrated water route board and pipeline
CN107950170A (en) * 2016-10-14 2018-04-24 迪尔公司 Toolbox with knife sheath and knife sheath keeper
CN107956944A (en) * 2017-12-12 2018-04-24 上海瀚太钢膜结构建筑有限公司 A kind of feed pipe quick connector and its installation, method for dismounting
CN108662314A (en) * 2018-05-28 2018-10-16 宁波恒元精工管阀科技有限公司 A kind of pipe fitting
WO2020211706A1 (en) * 2019-04-16 2020-10-22 Atlas Copco (Wuxi) Compressor Co., Ltd. Guide device for directing gas through
CN113090835A (en) * 2021-04-26 2021-07-09 宁波利佳青石电气科技有限公司 Pipe joint assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201096247Y (en) * 2007-10-12 2008-08-06 朱辉 Fast connecting pipe adapter
CN101576190A (en) * 2009-06-04 2009-11-11 玉环江林水暖管业有限公司 Quick water-heating connecting structure
GB2466681A (en) * 2009-01-23 2010-07-07 Yuhuan Jianglin Plumbing Hose Quick coupling pipe connector
CN102182889A (en) * 2011-05-13 2011-09-14 房县启扬工贸有限责任公司 Portable pipe joint
CN204387552U (en) * 2014-12-03 2015-06-10 浙江超润润滑元件有限公司 The fast inserting structure of pipe joint

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201096247Y (en) * 2007-10-12 2008-08-06 朱辉 Fast connecting pipe adapter
GB2466681A (en) * 2009-01-23 2010-07-07 Yuhuan Jianglin Plumbing Hose Quick coupling pipe connector
CN101576190A (en) * 2009-06-04 2009-11-11 玉环江林水暖管业有限公司 Quick water-heating connecting structure
CN102182889A (en) * 2011-05-13 2011-09-14 房县启扬工贸有限责任公司 Portable pipe joint
CN204387552U (en) * 2014-12-03 2015-06-10 浙江超润润滑元件有限公司 The fast inserting structure of pipe joint

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805445A (en) * 2016-04-11 2016-07-27 成都格瑞思文化传播有限公司 Water pipe connector
CN107950170A (en) * 2016-10-14 2018-04-24 迪尔公司 Toolbox with knife sheath and knife sheath keeper
CN107950170B (en) * 2016-10-14 2022-07-19 迪尔公司 Tool assembly, method of assembling a tool assembly, knife shield for a tool assembly
CN107255200A (en) * 2017-08-16 2017-10-17 深圳市斯普雷博科技有限公司 A kind of interpolation type double-walled electric smelting bend pipe tools
CN107827172A (en) * 2017-11-14 2018-03-23 珠海格力电器股份有限公司 Connection structure and water treatment facilities of integrated water route board and pipeline
CN107827172B (en) * 2017-11-14 2023-10-24 珠海格力电器股份有限公司 Connection structure of integrated water route board and pipeline and water treatment facilities
CN107956944A (en) * 2017-12-12 2018-04-24 上海瀚太钢膜结构建筑有限公司 A kind of feed pipe quick connector and its installation, method for dismounting
CN107956944B (en) * 2017-12-12 2021-11-30 上海瀚太钢膜结构建筑有限公司 Water supply pipe quick connector and mounting and dismounting method thereof
CN108662314A (en) * 2018-05-28 2018-10-16 宁波恒元精工管阀科技有限公司 A kind of pipe fitting
WO2020211706A1 (en) * 2019-04-16 2020-10-22 Atlas Copco (Wuxi) Compressor Co., Ltd. Guide device for directing gas through
US11761457B2 (en) 2019-04-16 2023-09-19 Atlas Copco (Wuxi) Compressor Co., Ltd. Guide device for directing gas through a gas pressurizing device
CN113090835A (en) * 2021-04-26 2021-07-09 宁波利佳青石电气科技有限公司 Pipe joint assembly

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Application publication date: 20150610

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