CN105605353B - A kind of screw thread promotes sliding tight pipe fitting - Google Patents
A kind of screw thread promotes sliding tight pipe fitting Download PDFInfo
- Publication number
- CN105605353B CN105605353B CN201610135762.1A CN201610135762A CN105605353B CN 105605353 B CN105605353 B CN 105605353B CN 201610135762 A CN201610135762 A CN 201610135762A CN 105605353 B CN105605353 B CN 105605353B
- Authority
- CN
- China
- Prior art keywords
- pipe
- cutting ferrule
- inner support
- sliding tight
- screw thread
- 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.)
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Links
- 210000002435 tendon Anatomy 0.000 claims abstract description 29
- 238000011161 development Methods 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/223—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L33/224—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts a clamping ring being arranged between the threaded member and the connecting member
Abstract
The invention is related to a kind of flexible pipe screw thread and promotes sliding tight pipe fitting, include the main pipe body (1) of an at least end pipe inner support (10), pipe inner support (10) fore-end (11) is not more than flexible pipe (4) internal diameter, rear end part (12) is provided with convex tendon (13), and convex tendon (13) is more than flexible pipe (4) internal diameter；Also include sliding tight cutting ferrule (3), sliding tight cutting ferrule (3) is fixed on convex tendon (13) upper end after installing；A male thread portion (14) is provided with pipe inner support (10) rear end；Also include a hexagonal nuts (2) coordinated with male thread portion (14), the extended loop (20) of hexagonal nuts (2) inwall withstands above-mentioned convex tendon (13) maximum outside diameter of sliding tight cutting ferrule (3) compared with flexible pipe (4) internal diameter big 0.3 to 1.5mm.A kind of flexible pipe of the invention, can be achieved with installing without professional tool, is realized and is tightly connected by size interference fit only pipe deformations, do not release, it is safe and reliable, install efficient, and pipe can be moved back, it is supplement and the development that tight type pipe fitting mounting means is slided to prior art.
Description
Technical field
The invention is related to pipeline connection area, and in particular to flexible pipe slides tight type pipe fitting.
Background technology
Flexible pipe refers to PE-X, PE-RT, PB, aluminium-plastic pipe etc., with certain resistance to elevated temperatures, and has a preferable bendability,
Suitable for architecture indoor heating or supply line.Such tubing connecting pipe structure is more, three kinds of main flow point, pincers-pressed type structure, example
Such as CN 2510708Y《A kind of plastic-aluminum combined effective clipper type plastic pipe fitting》Technology disclosed in patent, passes through stainless steel card
Set pincers compressive strain achieves a fixed connection；C-type Spring Clip, such as the U of CN 201715133《Aluminium-plastic tube joint》Structure, passes through gold
Category collar deformation is held tubing tightly and achieved a fixed connection；Compact form connection is also slided, such as patent authorization number ZL 200810163020.5
《Sliding type aluminium plastic composite pipe fittings》.Sliding tight type pipe fitting belongs to emerging pipe interconnection technique, and its is safe and reliable, simple for structure, suitable
Close bright dress secretly to bury and without sealing ring, ageing resistace is good, quickly grown in flexible pipe connection.
The pipe fitting of pincers-pressed type and c-type Spring Clip, is deformed being fastenedly connected by the collar or cutting ferrule that wrap up tubing,
Such pipe fitting construction stress is different, deformation component material and hardness are different, there is the defect of crimp difference, this connects to pipeline
Connect and there is risk, such pipe fitting is generally made up by O-ring in addition, adjust deflection, and there is problem of aging in itself in O-ring,
Bring installation risk.
And the cunning tight type pipe fitting connection of currently available technology, it is necessary to corresponding tube expander to pipe in its installation process
Material carries out reaming, again pipe fitting is carried out sliding to be close to special sliding clamping tool connecing.The construction tool price of specialty is high, and constructing operation
Personnel need professional training, pipe fitting attended operation trouble and specialty, can not realize that move back pipe makes again after pipe fitting is installed in addition
With which has limited the promotion and application of sliding tight type pipe fitting.
The content of the invention
The invention only can be achieved with for the defect that existing sliding tight type pipe fitting is installed there is provided one kind with common spanner
The sliding novel pipe fitting structure tightly installed.Though the pipe fitting weight weight, structure is novel, left-hand seat is simple, is not only suitable for the construction of specialty
Personnel, also are adapted for family DIY connections, and can conveniently move back pipe reinstalling.This infrastructure product has higher market popularization value.
The technical scheme that the invention is used for：
A kind of screw thread promotes sliding tight pipe fitting, includes the main pipe body of an at least end pipe inner support, pipe inner support fore-end
No more than flexible bore, rear end part is provided with least three convex tendons, and convex tendon is more than flexible bore；Also include and pipe inner support
It is supporting can gap coordinate the annular for being inserted in flexible pipe external diameter to slide tight cutting ferrule, the maximum that sliding tight cutting ferrule internal diameter is more than pipe inner support is outer
Footpath, sliding tight cutting ferrule left end inner wall port is provided with chamfering, and sliding tight cutting ferrule is fixed on convex tendon upper end after installing；And withstand on pipe inner support rear end
On the front end face of male thread portion, and wrap whole convex tendons；Also include a hexagonal nuts coordinated with male thread portion, hexagonal
The extended loop of cap inwall withstands sliding tight cutting ferrule.
The technical scheme of the invention can also be：
The tight cutting ferrule inner diameter wall of above-mentioned cunning is provided with pawl groove.
The above-mentioned more flexible bore of convex tendon maximum outside diameter big 0.3 to 1.5mm.
Both sides on the male thread portion of above-mentioned pipe inner support rear end are provided with tangent plane, form external screw thread remainder, and cut
External diameter of the face bottom less than sliding tight cutting ferrule.
The invention will be by being inserted directly into pipe inner support by flexible pipe, and passes through hexagonal nuts and the screw thread of pipe inner support rear end
Coordinate, promote ring-shaped clamping sleeve, realize that cunning is fastened.The tight cutting ferrule of cunning of the pipe fitting is without deformation, by tolerance fit so that only tubing
Deformation realization is tightly connected, and removes the risk that collar cashes difference from；Most importantly, it can only be pacified with common spanner instrument
Dress, and the processes such as expander are removed, install efficient, it is simple to operate, it is safe and reliable.The other fitting structure can have ejector sleeve function,
It is the important supplement of sliding tight type pipe fitting and development.
Brief description of the drawings
Fig. 1 promotes sliding tight pipe fitting complete section schematic diagram for the screw thread of the invention embodiment one；
Fig. 2 promotes sliding tight pipe fitting perspective exploded view for the screw thread of the invention embodiment two；
Fig. 3 promotes sliding tight pipe fitting perspective exploded view for the screw thread of the invention embodiment three.
Embodiment
The invention is further described with embodiment below in conjunction with the accompanying drawings.
It is a tee pipe fitting as shown in figure 1, a kind of screw thread of the invention promotes sliding tight pipe fitting, including pipe fitting master
Three ends are provided with pipe inner support 10 in body 1, main pipe body 1；The fore-end 11 of pipe inner support 10 is not more than the internal diameter of flexible pipe 4, rearward end
Divide 12 provided with three convex tendons 13, and convex tendon 13 is more than the internal diameter of flexible pipe 4, to strengthen drawing and sealing property, convex tendon 13 can be designed
Four or more；This pipe fitting also include with pipe inner support 10 it is supporting can gap coordinate be inserted in the external diameter of flexible pipe 4 annular cunning it is tight
Cutting ferrule 3, the sliding tight internal diameter of cutting ferrule 3 is more than the maximum outside diameter of pipe inner support 10, and the sliding tight left end inner wall port of cutting ferrule 3 is provided with chamfering 30, sliding
Tight cutting ferrule 3 is fixed on the upper end of convex tendon 13 after installing；And withstand on the front end face of pipe inner support (10) rear end male thread portion (14), and
Wrap whole convex tendons (13)；Also include a hexagonal nuts 2 coordinated with male thread portion 14, the extended loop of the inwall of hexagonal nuts 2
20 withstand sliding tight cutting ferrule 3, and certainly, according to specification size or wrench shape, hexagonal nuts 2 can be replaced with octagonal cap or Abnormal cap,
The internal structure such as screw thread and extended loop 20 is constant.
Tubular type is not limited, can be threeway or elbow, directly or screw thread directly etc., at least provided with above-mentioned
The structure of pipe inner support 10.
The hexagonal nuts 2 of the invention props up sliding tight cutting ferrule 3 by extended loop 20, it is to avoid make with the junction of flexible pipe 4
Released with period, this is no, certainly anti-loose to strengthen, the sliding tight internal diameter of cutting ferrule 3 in the cunning tight type pipe fitting of prior art
Wall can further invigoration effect provided with pawl groove 31.
Relative to the cunning tight type pipe fitting of prior art, flexibility is expanded firstly the need of special expanding tool in installation process
The connection mouth of pipe of pipe 4, the structure of the invention cancels the process, and flexible pipe 4 is directly inserted into the bottom of pipe inner support 10
Portion；Comparatively bigger because convex tendon 13 is more than the internal diameter of flexible pipe 4, sliding tight security performance is better, but also causes flexible pipe 4 to be inserted
Enter the increase of the power of pipe inner support 10 or even can not insert.To select the size of convex tendon 13, applicant has done a large amount of tests.
PE-RT flexible pipes are inserted into position, the 1.6mm big compared with pipe orifice size of convex tendon 13, firmly in 475N；Big 1.2mm, firmly exists
340N；Big 0.8mm, firmly 265N；Big 0.5mm, firmly 130N；Big 0.2mm, firmly 35N.
PE-X flexible pipes, the 1.4mm big compared with pipe orifice size of convex tendon 13, firmly in 480N；Big 1.2mm, firmly in 375N；Greatly
0.8mm, firmly 310N；Big 0.5mm, firmly 185N, big 0.3mm, firmly 95N.PB flexible pipes are lifted than PE-X flexible pipes power
About 8%.
Aluminium-plastic pipe, the 1.2mm big compared with pipe orifice size of convex tendon 13, firmly 520N, big 0.8mm, firmly 435N；Big 0.5mm, is used
Power 245N；Big 0.2mm, firmly 120N.
When power is more than 500N, free-hand installation output of exerting oneself has difficulties.In pipeline connecting test, hydraulic pressure
There is about 60% slip in 0.8MPa, the 0.2mm big compared with pipe orifice size of convex tendon 13, pipeline；Size big 0.3mm, PE-X, PE-
RT and PB pipes, 100% by test, and aluminium-plastic pipe percent of pass is 90%；The big 0.5mm of size, flexible pipe passes through test.
The above-mentioned maximum outside diameter of convex tendon 13 is compared with the internal diameter of flexible pipe 4 preferably big 0.3 to 1.5mm.
As shown in Fig. 2 be a bend pipe tools, including main pipe body 1, main pipe body 1 is provided with two pipe inner supports 10；The pipe
The fore-end 11 of inner support 10 is not more than the internal diameter of flexible pipe 4, and rear end part 12 is provided with three convex tendons 13, and convex tendon 13 is more than flexible pipe
4 internal diameters；This pipe fitting also includes one and slides tight cutting ferrule 3, and sliding tight cutting ferrule 3 is fixed on the upper end of convex tendon 13 after installing；In the rear end of pipe inner support 10
Provided with a male thread portion 14；Also include a hexagonal nuts 2 coordinated with male thread portion 14, the extended loop 20 of the inwall of hexagonal nuts 2
Withstand sliding tight cutting ferrule 3.Fore-end 11 is compared with small more than the 0.5mm of endoporus of flexible pipe 4, and the guiding flexible pipe 4 that can be more prone to is inserted,
Fore-end 11 can be set to the tapered cylinder in front end, and overall dimensions are all not more than the internal diameter of flexible pipe 4.Sliding tight cutting ferrule 3 exists
After installing, two ends are contacted with hexagonal nuts 2 and the bottom of pipe inner support 10 respectively.
As shown in figure 3, being jointed tubular workpieces, including main pipe body 1 always, the two ends of main pipe body 1 are provided with pipe inner support 10；In pipe
10 rear ends are supportted provided with a male thread portion 14；This pipe fitting also includes one and slides tight cutting ferrule 3；And one and the six of the cooperation of male thread portion 14
Angle cap 2.Both sides on male thread portion 14 are provided with tangent plane 16, the cut-out male thread portion 14 of tangent plane 16, and tangent plane bottom surface
Less than the external diameter of sliding tight cutting ferrule 3；After pipe fitting is installed, sliding tight cutting ferrule 3 and external screw thread remainder 17 are formed with tangent plane 16
Concave.This structure is advantageous in that, the end face of external screw thread remainder 17 and sliding tight cutting ferrule 3 is propped up by specific purpose tool
31, specific purpose tool is expanded, sliding tight cutting ferrule 3 can be exited.
The tight pipe fitting of cunning of prior art can not exit collar reuse without moving back after pipe function, pipe fitting connection error.The present invention
The fitting structure of creation, by setting the structure of symmetrical tangent plane 16 and external screw thread remainder 17 in male thread portion 14, is being needed
When wanting, convenient propped up by means of power is exited, and pipe fitting can be reused, and the structure has higher novelty and practicality, is existing skill
Art slides the new breakthrough of tight type pipe fitting function.
The screw thread of the invention promotes sliding tight pipe fitting, can be achieved with installing without professional tool, is matched somebody with somebody by size interference
Close only pipe deformations realization to be tightly connected, do not release, it is safe and reliable, and install efficient, it is that tight type pipe fitting peace is slided to prior art
The supplement of dress mode and development.
Claims (5)
1. a kind of screw thread promotes sliding tight pipe fitting, include the main pipe body (1) of an at least end pipe inner support (10), it is characterised in that
Pipe inner support (10) fore-end (11) is not more than flexible pipe (4) internal diameter, and rear end part (12) is provided with least three convex tendons (13), and
Convex tendon (13) is more than flexible pipe (4) internal diameter；Also include with pipe inner support (10) it is supporting can gap coordinate be inserted in flexible pipe (4) external diameter
The tight cutting ferrule of annular cunning (3), sliding tight cutting ferrule (3) internal diameter is more than in the maximum outside diameter of pipe inner support (10), sliding tight cutting ferrule (3) left end
Wall port is provided with chamfering (30), and sliding tight cutting ferrule (3) is fixed on convex tendon (13) upper end after installing；And withstand on outside pipe inner support (10) rear end
On the front end face of threaded portion (14), and wrap whole convex tendons (13)；Also include one and male thread portion (14) cooperation
Hexagonal nuts (2), the extended loop (20) of hexagonal nuts (2) inwall withstands sliding tight cutting ferrule (3).
2. a kind of screw thread as claimed in claim 1 promotes sliding tight pipe fitting, it is characterised in that：Described convex tendon (13) maximum outside diameter
Compared with flexible pipe (4) internal diameter big 0.3 to 1.5mm.
3. a kind of screw thread as claimed in claim 1 or 2 promotes sliding tight pipe fitting, it is characterised in that：In the tight cutting ferrule of described cunning (3)
Footpath wall is provided with pawl groove (31).
4. a kind of screw thread as claimed in claim 1 or 2 promotes sliding tight pipe fitting, it is characterised in that：After described pipe inner support (10)
Both sides on the male thread portion (14) at end are provided with tangent plane (16), form external screw thread remainder (17), and tangent plane (16) bottom
Less than the external diameter of sliding tight cutting ferrule (3).
5. a kind of screw thread as claimed in claim 3 promotes sliding tight pipe fitting, it is characterised in that：Described pipe inner support (10) rear end
Both sides on male thread portion (14) are provided with tangent plane (16), form external screw thread remainder (17), and tangent plane (16) bottom is less than
The external diameter of sliding tight cutting ferrule (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135762.1A CN105605353B (en) | 2016-03-10 | 2016-03-10 | A kind of screw thread promotes sliding tight pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135762.1A CN105605353B (en) | 2016-03-10 | 2016-03-10 | A kind of screw thread promotes sliding tight pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105605353A CN105605353A (en) | 2016-05-25 |
| CN105605353B true CN105605353B (en) | 2017-08-01 |
Family
ID=55985528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610135762.1A Active CN105605353B (en) | 2016-03-10 | 2016-03-10 | A kind of screw thread promotes sliding tight pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105605353B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375845Y (en) * | 1998-11-30 | 2000-04-26 | 李深智 | Pipe joint having clamping tangent plane |
| CN101038057A (en) * | 2006-03-14 | 2007-09-19 | 住化农业资材株式会社 | A joint for non-rigid hose |
| CN203215154U (en) * | 2013-03-25 | 2013-09-25 | 肇庆市腾胜真空技术工程有限公司 | Water channel connector mechanism for coating machine |
| CN103930704A (en) * | 2011-11-11 | 2014-07-16 | 布基有限责任公司 | Connecting device for flexible pipes |
| CN204611172U (en) * | 2015-04-20 | 2015-09-02 | 浙江泰达管业有限公司 | A kind of three-way hose coupling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3508093B2 (en) * | 1999-04-19 | 2004-03-22 | 株式会社三輝 | Hose connection tool |
-
2016
- 2016-03-10 CN CN201610135762.1A patent/CN105605353B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375845Y (en) * | 1998-11-30 | 2000-04-26 | 李深智 | Pipe joint having clamping tangent plane |
| CN101038057A (en) * | 2006-03-14 | 2007-09-19 | 住化农业资材株式会社 | A joint for non-rigid hose |
| CN103930704A (en) * | 2011-11-11 | 2014-07-16 | 布基有限责任公司 | Connecting device for flexible pipes |
| CN203215154U (en) * | 2013-03-25 | 2013-09-25 | 肇庆市腾胜真空技术工程有限公司 | Water channel connector mechanism for coating machine |
| CN204611172U (en) * | 2015-04-20 | 2015-09-02 | 浙江泰达管业有限公司 | A kind of three-way hose coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105605353A (en) | 2016-05-25 |
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Effective date of registration: 20190604 Address after: 232000 High-tech Industrial Park Building 9, Shannan New District, Huainan City, Anhui Province Patentee after: ANHUI AIFULISHE BUILDING TECHNOLOGY Co.,Ltd. Address before: 317600 Dongping Road, new 83, Dongmen, Yuhuan, Taizhou, Zhejiang Patentee before: Huang Dexiu |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Thread pushing sliding tight pipe fitting Effective date of registration: 20211102 Granted publication date: 20170801 Pledgee: Huainan Zhongchuang Technology Industry Financing Guarantee Co.,Ltd. Pledgor: ANHUI AIFULISHE BUILDING TECHNOLOGY Co.,Ltd. Registration number: Y2021980011737 |
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Date of cancellation: 20231026 Granted publication date: 20170801 Pledgee: Huainan Zhongchuang Technology Industry Financing Guarantee Co.,Ltd. Pledgor: ANHUI AIFULISHE BUILDING TECHNOLOGY Co.,Ltd. Registration number: Y2021980011737 |
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