CN105605353A - Threaded propelling slide tension pipe fitting - Google Patents
Threaded propelling slide tension pipe fitting Download PDFInfo
- Publication number
- CN105605353A CN105605353A CN201610135762.1A CN201610135762A CN105605353A CN 105605353 A CN105605353 A CN 105605353A CN 201610135762 A CN201610135762 A CN 201610135762A CN 105605353 A CN105605353 A CN 105605353A
- Authority
- CN
- China
- Prior art keywords
- pipe
- pipe fitting
- cutting ferrule
- inner support
- sliding tight
- 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
Links
- 210000002435 tendon Anatomy 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 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
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005728 strengthening Methods 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 relates to a threaded propelling slide tension pipe fitting for flexible pipes. The threaded propelling slide tension pipe fitting comprises a pipe fitting body (1), slide tension clamp sleeves (3) and hexagonal nuts (2). The pipe fitting body (1) is provided with at least one end pipe inner support (10), front end portions (11) of the pipe inner supports (10) are not larger than the inner diameters of the flexible pipes (4), and convex ribs (13) are arranged at rear end portions (12) of the pipe inner supports (10) and are larger than the inner diameters of the flexible pipes (4); the slide tension clamp sleeves (3) are fixed to the upper ends of the convex ribs (13) after being mounted; an external threaded portion (14) is arranged at the rear end of each pipe inner support (10); the hexagonal nuts (2) are matched with the external threaded portions (14), extension rings (20) on the inner walls of the hexagonal nuts (2) are butted to the slide tension clamp sleeves (3), and the largest outer diameters of the convex ribs (13) are larger than the inner diameters of the flexible pipes (4) by 0.3-1.5 mm. The threaded propelling slide tension pipe fitting has the advantages that the threaded propelling slide tension pipe fitting which is a flexible pipe fitting can be mounted without professional tools; hermetical connection can be implemented only by means of dimensional interference fit and deformation of the pipes, and accordingly the threaded propelling slide tension pipe fitting is free of loosening, is safe and reliable and can be efficiently mounted; the pipes can be withdrawn, and slide tension type pipe fitting mounting modes in the prior art can be supplemented and developed.
Description
Technical field
The invention relates to pipeline connection area, is specifically related to the sliding tight type pipe fitting of flexible pipe.
Background technology
Flexible pipe refers to PE-X, PE-RT, PB, aluminium-plastic pipe etc., has certain resistance to elevated temperatures, and has good bendability, is applicable to architecture indoor heating or supply line. Such tubing connecting tube structure is many, and main flow is divided three kinds, pincers-pressed type structure, and " a kind of plastic-aluminum combined effective clipper type plastic pipe fitting " disclosed technology of patent of for example CN2510708Y, achieves a fixed connection by the compressive strain of stainless steel cutting ferrule pincers; C type Spring Clip, as " aluminium-plastic tube joint " structure of CN201715133U, holds tubing tightly by the distortion of metal collar and achieves a fixed connection; Also have sliding compact form to connect, as license ZL200810163020.5 " sliding type aluminium plastic composite pipe fittings ". Sliding tight type pipe fitting belongs to emerging pipe interconnection technique, and its safe and reliable, simple for structure, applicable bright dress secretly buries and without sealing ring, ageing resistace is good, and in flexible pipe connects, development rapidly.
The pipe fitting of pincers-pressed type and C type Spring Clip, being extruded distortion by the parcel collar of tubing or cutting ferrule is fastenedly connected, such pipe fitting construction stress difference, deformation component material and hardness difference, there is the defect of crimp difference, this connects and has risk pipeline, and such pipe fitting makes up by O shape circle conventionally in addition, adjusts deflection, and O type circle itself exists problem of aging, bring installation risk.
And the sliding tight type pipe fitting of currently available technology connects, in its installation process, need to carry out reaming to tubing with corresponding tube expander, again pipe fitting is slided to stressed joint with special sliding clamping tool. The construction tool price of specialty is high, and constructing operation personnel need professional training, pipe fitting attended operation trouble and specialty, and pipe fitting cannot be realized after installing and move back pipe and reuse in addition, and this has limited the promotion and application of sliding tight type pipe fitting.
Summary of the invention
The defect that the invention is installed for existing sliding tight type pipe fitting, provides a kind of and only just can realize sliding tight novel pipe fitting structure of installing with conventional spanner. Though this pipe fitting Heavy Weight, novel structure, left-hand seat is simple, is not only applicable to professional workmen, is also applicable to the DIY of family and connects, and can conveniently move back pipe and reinstall. This infrastructure product has higher market popularization value.
The technical scheme that the invention adopts is:
A kind of screw thread advances sliding tight pipe fitting, comprises that one has the main pipe body of one end pipe inner support at least, and pipe inner support fore-end is not more than flexible pipe internal diameter, and rear end part is provided with at least three convex tendons, and convex tendon is greater than flexible pipe internal diameter; Also comprise the sliding tight cutting ferrule of the annular of can matched in clearance being inserted in flexible pipe external diameter supporting with pipe inner support, 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; Be provided with a male thread portion in pipe inner support rear end; Also comprise a hexagonal nuts coordinating with male thread portion, the extended loop of hexagonal nuts 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.
Above-mentioned convex tendon maximum outside diameter compared with flexible pipe internal diameter large 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 tangent plane bottom is lower than the external diameter of sliding tight cutting ferrule.
The invention will be by by direct flexible pipe Inserting Tube inner support, and by the threaded engagement of hexagonal nuts and pipe inner support rear end, advances ring-shaped clamping sleeve, realizes sliding fastening. The tight cutting ferrule of cunning of this pipe fitting, without distortion, is realized only tubing distortion by tolerance fit and is tightly connected, removes the risk of collar realization difference from; Most importantly, only can install with conventional Wrench, and remove the operations such as expander, install efficient, simple to operate, safe and reliable. This fitting structure can have ejector sleeve function in addition, is important the supplementing and development of sliding tight type pipe fitting.
Brief description of the drawings
Fig. 1 is that the screw thread of the invention embodiment mono-advances sliding tight pipe fitting complete section schematic diagram;
Fig. 2 is that the screw thread of the invention embodiment bis-advances sliding tight pipe fitting perspective exploded view;
Fig. 3 is that the screw thread of the invention embodiment tri-advances sliding tight pipe fitting perspective exploded view.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the invention is further described.
As shown in Figure 1, a kind of screw thread of the invention advances sliding tight pipe fitting, is a tee pipe fitting, comprises main pipe body 1, and in main pipe body 1, three ends are provided with pipe inner support 10; These pipe inner support 10 fore-ends 11 are not more than flexible pipe 4 internal diameters, and rear end part 12 is provided with three convex tendons 13, and convex tendon 13 is greater than flexible pipe 4 internal diameters, are to strengthen drawing and sealing property, and convex tendon 13 can design four or more; This pipe fitting also comprises the annular cunning tight cutting ferrule 3 that can matched in clearance be inserted in flexible pipe 4 external diameters supporting with pipe inner support 10, and sliding tight cutting ferrule 3 left end inner wall ports are provided with chamfering 30, and sliding tight cutting ferrule 3 is fixed on convex tendon 13 upper ends after installing; Be provided with a male thread portion 14 in pipe inner support 10 rear ends; Also comprise a hexagonal nuts 2 coordinating with male thread portion 14, the extended loop 20 of hexagonal nuts 2 inwalls withstands sliding tight cutting ferrule 3, certainly, and according to specification size or spanner shape, hexagonal nuts 2 can replace with octagonal cap or Abnormal cap, and the internal structures such as screw thread and extended loop 20 are constant.
Tubular type is not limit, and can be threeway, can be also elbow, directly or screw thread direct etc., be at least provided with above-mentioned pipe inner support 10 structures.
The hexagonal nuts 2 of the invention props up sliding tight cutting ferrule 3 by extended loop 20, avoid getting loose during use with flexible pipe 4 junctions, this does not have in the sliding tight type pipe fitting of prior art, and certainly anti-loose for strengthening, sliding tight cutting ferrule 3 inner diameter wall are provided with further invigoration effect of pawl groove 31.
With respect to the sliding tight type pipe fitting of prior art, in installation process, first need the connection mouth of pipe of special expanding tool expansion flexible pipe 4, the structure of the invention is cancelled this process, directly flexible pipe 4 is inserted into the bottom of pipe inner support 10; Because convex tendon 13 is greater than flexible pipe 4 internal diameters, larger comparatively speaking, sliding tight security performance is better, even can not insert but also cause flexible pipe 4 Inserting Tube inner support 10 powers to increase. For the size of selected convex tendon 13, applicant has done a large amount of tests.
PE-RT flexible pipe is inserted into position, and convex tendon 13 is compared with the large 1.6mm of pipe orifice size, firmly at 475N; Large 1.2mm, firmly at 340N; Large 0.8mm, firmly 265N; Large 0.5mm, firmly 130N; Large 0.2mm, firmly 35N.
PE-X flexible pipe, convex tendon 13 is compared with the large 1.4mm of pipe orifice size, firmly at 480N; Large 1.2mm, firmly at 375N; Large 0.8mm, firmly 310N; Large 0.5mm, firmly 185N, large 0.3mm, firmly 95N. PB flexible pipe promotes approximately 8% than PE-X flexible pipe power.
Aluminium-plastic pipe, convex tendon 13 is compared with the large 1.2mm of pipe orifice size, firmly 520N, large 0.8mm, firmly 435N; Large 0.5mm, firmly 245N; Large 0.2mm, firmly 120N.
In the time that power is greater than 500N, free-hand installation firmly output has difficulties. In pipeline connecting test, hydraulic pressure 0.8MPa, convex tendon 13 is compared with the large 0.2mm of pipe orifice size, and there is approximately 60% slip in pipeline; The large 0.3mm of size, PE-X, PE-RT and PB pipe, 100% by test, and aluminium-plastic pipe percent of pass is 90%; The large 0.5mm of size, flexible pipe is all by test.
Above-mentioned convex tendon 13 maximum outside diameters compared with flexible pipe 4 internal diameters preferred large 0.3 to 1.5mm.
As shown in Figure 2, be a bend pipe tools, comprise main pipe body 1, main pipe body 1 is provided with two pipe inner supports 10; These pipe inner support 10 fore-ends 11 are not more than flexible pipe 4 internal diameters, and rear end part 12 is provided with three convex tendons 13, and convex tendon 13 is greater than flexible pipe 4 internal diameters; This pipe fitting also comprises a sliding tight cutting ferrule 3, and sliding tight cutting ferrule 3 is fixed on convex tendon 13 upper ends after installing; Be provided with a male thread portion 14 in pipe inner support 10 rear ends; Also comprise a hexagonal nuts 2 coordinating with male thread portion 14, the extended loop 20 of hexagonal nuts 2 inwalls withstands sliding tight cutting ferrule 3. Fore-end 11 is compared with more than the little 0.5mm of flexible pipe 4 endoporus, and the guiding flexible pipe 4 that can be more prone to inserts, and fore-end 11 can be arranged to front end has the cylinder of tapering, overall dimensions to be all not more than flexible pipe 4 internal diameters. Sliding tight cutting ferrule 3 is after installing, and two ends contact with pipe inner support 10 bottoms with hexagonal nuts 2 respectively.
As shown in Figure 3, be jointed tubular workpieces always, comprise main pipe body 1, main pipe body 1 two ends are provided with pipe inner support 10; Be provided with a male thread portion 14 in pipe inner support 10 rear ends; This pipe fitting also comprises a sliding tight cutting ferrule 3; And the hexagonal nuts 2 coordinating with male thread portion 14. Both sides on male thread portion 14 are provided with tangent plane 16, tangent plane 16 cut-out male thread portions 14, and tangent plane bottom surface is lower than the external diameter of sliding tight cutting ferrule 3; After pipe fitting installs, sliding tight cutting ferrule 3 and external screw thread remainder 17 form " recessed " font with tangent plane 16. The benefit of this structure is, props up the end face 31 of external screw thread remainder 17 and sliding tight cutting ferrule 3 by specific purpose tool, and expansion specific purpose tool can exit sliding tight cutting ferrule 3.
The tight pipe fitting of cunning of prior art, without moving back pipe function, cannot exit collar to reuse after pipe fitting connection error. The fitting structure of the invention, by the structure of symmetrical tangent plane 16 and external screw thread remainder 17 is set at male thread portion 14, when needed, the convenient power of borrowing props up and exits, pipe fitting can be reused, this structure has higher novelty and practicality, is the new breakthrough of the sliding tight type pipe fitting function of prior art.
The screw thread of the invention advances sliding tight pipe fitting, just can realize installation without professional tool, by size interference fit only tubing be out of shape realization and be tightly connected, do not get loose, safe and reliable, and install efficiently, be supplementing and development the sliding tight type pipe fitting mounting means of prior art.
Claims (5)
1. a screw thread advances sliding tight pipe fitting, comprise that one has the main pipe body (1) of one end pipe inner support (10) at least, it is characterized in that pipe inner support (10) fore-end (11) is not more than flexible pipe (4) internal diameter, rear end part (12) is provided with at least three convex tendons (13), and convex tendon (13) is greater than flexible pipe (4) internal diameter; Also comprise the annular cunning tight cutting ferrule (3) that can matched in clearance be inserted in flexible pipe (4) external diameter supporting with pipe inner support (10), sliding tight cutting ferrule (3) left end inner wall port is provided with chamfering (30), and sliding tight cutting ferrule (3) is fixed on convex tendon (13) upper end after installing; Be provided with a male thread portion (14) in pipe inner support (10) rear end; Also comprise a hexagonal nuts (2) coordinating with male thread portion (14), 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 advances sliding tight pipe fitting, it is characterized in that: described convex tendon (13) maximum outside diameter compared with flexible pipe (4) internal diameter large 0.3 to 1.5mm.
3. a kind of screw thread as claimed in claim 1 or 2 advances sliding tight pipe fitting, it is characterized in that: the tight cutting ferrule of described cunning (3) inner diameter wall is provided with pawl groove (31).
4. a kind of screw thread as claimed in claim 1 or 2 advances sliding tight pipe fitting, it is characterized in that: the both sides on the male thread portion (14) of described pipe inner support (10) rear end are provided with tangent plane (16), form external screw thread remainder (17), and tangent plane (16) bottom is lower than the external diameter of sliding tight cutting ferrule (3).
5. a kind of screw thread as claimed in claim 3 advances sliding tight pipe fitting, it is characterized in that: the both sides on the male thread portion (14) of described pipe inner support (10) rear end are provided with tangent plane (16), form external screw thread remainder (17), and tangent plane (16) bottom is lower 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 true CN105605353A (en) | 2016-05-25 |
| CN105605353B 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 (6)
| 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 |
| JP2000304180A (en) * | 1999-04-19 | 2000-11-02 | Sanki:Kk | Hose connector |
| 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 |
-
2016
- 2016-03-10 CN CN201610135762.1A patent/CN105605353B/en active Active
Patent Citations (6)
| 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 |
| JP2000304180A (en) * | 1999-04-19 | 2000-11-02 | Sanki:Kk | Hose connector |
| 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 |
|---|---|
| CN105605353B (en) | 2017-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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 |
|
| PE01 | Entry into force of the registration of the contract for pledge 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 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
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 |