CN104061397A - Back fabric wire electric smelting saddle type bypass - Google Patents

Back fabric wire electric smelting saddle type bypass Download PDF

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Publication number
CN104061397A
CN104061397A CN201410190547.2A CN201410190547A CN104061397A CN 104061397 A CN104061397 A CN 104061397A CN 201410190547 A CN201410190547 A CN 201410190547A CN 104061397 A CN104061397 A CN 104061397A
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CN
China
Prior art keywords
saddle type
bypass
electric smelting
resistance wire
drilling tool
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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
CN201410190547.2A
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Chinese (zh)
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CN104061397B (en
Inventor
钱国庆
陈贤朋
高裕斌
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 QINGFA PIPE TECHNOLOGY Co Ltd
Original Assignee
ZHEJIANG QINGFA PIPE TECHNOLOGY Co Ltd
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Publication date
Application filed by ZHEJIANG QINGFA PIPE TECHNOLOGY Co Ltd filed Critical ZHEJIANG QINGFA PIPE TECHNOLOGY Co Ltd
Priority to CN201410190547.2A priority Critical patent/CN104061397B/en
Publication of CN104061397A publication Critical patent/CN104061397A/en
Application granted granted Critical
Publication of CN104061397B publication Critical patent/CN104061397B/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
    • F16L47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/26Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics for branching pipes; for joining pipes to walls; Adaptors therefor
    • F16L47/32Branch units, e.g. made in one piece, welded, riveted
    • 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
    • F16L47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/02Welded joints; Adhesive joints
    • F16L47/03Welded joints with an electrical resistance incorporated in the joint

Abstract

The invention relates to the technical field of pipeline manufacturing, particularly to a back fabric wire electric smelting saddle type bypass, and aims to solve the problems that the conventional PE electric smelting saddle type bypass is simple in structure and unscientific in resistance wire distribution, welding strength is insufficient, air leakage of the welding surface is easy, the leakproofness is poor, air has high possibility of leakage in hole drilling and the use process, and drilling scraps can enter a pipeline to cause bad consequences. The back fabric wire electric smelting saddle type bypass comprises a saddle type bypass body, a bypass block shot, a seal pressing ring, an O-shaped seal ring and a hole drilling cutter mounted in the bypass body, and is characterized in that a fabric wire cutter head embeds a resistance wire on a saddle type arc-shaped welding surface on the bypass body in a spiral distribution manner; the cutter head part of the hole drilling cutter adopts a sawtooth structure; material collecting grooves are uniformly distributed in the circumference of the hole drilling cutter. The welding strength is optimized, the sealing effect is improved, and the cutting scraps can avoid entering the pipeline.

Description

A kind of rear cloth silk electric smelting saddle type bypass
Technical field
The present invention relates to pipeline manufacturing technology field, relate in particular to a kind of rear cloth silk electric smelting saddle type bypass.
Background technique
The plastic pipes such as polyethylene, due to comprehensive advantages such as anticorrosion, the environmental protection of its excellence, easy construction, reliable performances, are widely applied in fluid-transporting tubing fields such as plumbing, combustion gas.Because urbanization progress advances fast, and the energy, environmental requirement are improved constantly, and pipeline designs has inconsiderate part, on more and more pipelines that have been in operation, need newly-increased branch road, in order not affect the normal operation of original pipeline, need to adopt the special PE pipe fittings such as electric smelting saddle type bypass.And existing PE electric smelting saddle type by-pass structure is simple in the market, resistance wire irrational distribution, exist weld strength not enough, face of weld easily leaks gas, sealing is poor, the easy problem such as gas leakage in boring and using process, security incident is frequently existing in actual applications to make saddle type bypass series products, has a strong impact on its application.If patent announcement number is CN203395476U bypass, integral type electric smelting saddle type is straight-through, comprise straight-through main body and electric heating wire, straight-through bottom part body side is provided with bypass body, the bottom of straight-through main body is provided with the semicircle saddle perpendicular with bypass body, is provided with the boring cutter that boring direction is not orthogonal to connection pipe fitting central axis in bypass body.The feature of this structure is mainly the central axis of the direction out of plumb tubing of boring cutter boring, and during boring, edge of a knife contact tubing area is little, is applicable to be with gas and the operation of non-band gas occasion.And for example the applicant is CN202302509U in the notification number of application on October 24th, 2011, a kind of Novel saddle bypass for pressure pipeline, comprise bypass main body, bypass block, sealing clamping ring and drilling tool, mainly by lid, emit O type circle, drilling tool O type circle, sealing clamping ring O type circle and saddle type body to press from both sides,, sealing clamping ring unique texture, realize sealability good in press and open holes process.
Summary of the invention
The object of the invention is in order to solve existing PE electric smelting saddle type by-pass structure dull, the resistance wire not science that distributes, exist weld strength not enough, face of weld easily leaks gas, sealing is poor, easily gas leakage in boring and using process, and drilling bits foreign material enter pipeline and cause the problems such as adverse consequences, a kind of reasonable in design is provided, avoids existing product to deposit the rear cloth silk electric smelting saddle type bypass of deficiency completely.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of rear cloth silk electric smelting saddle type bypass, comprise and be saddle type bypass main body, bypass block, sealing clamping ring, O RunddichtringO and be arranged on the drilling tool in bypass main body, it is characterized in that with wiring cutter head, resistance wire being imbedded on the saddle type circular arc face of weld in bypass main body in the mode of Spiral distribution; The tool bit part of described drilling tool is saw tooth structure, and along uniform material collecting tank on drilling tool circumference.The technical program is utilized the existing essential structure that is saddle type bypass main body, carries out defect processing one by one.First be that resistance wire is arranged, can adopt numerical control machining center to carry out fine finishing to pipe fitting circular arc face of weld, then with wiring cutter head, resistance wire is imbedded on saddle type circular arc face of weld in the mode of Spiral distribution, the wrapping wire number of turns, bury a degree of depth and wrapping wire overall width all can accurately be located, broken through traditional PE electric melting pipe fittings can only be after circle tube inner wall the limitation of cloth silk, guaranteed more excellent weld strength.Next is dual or multiple-sealed setting, guarantees this device work fusion thorough seal between each parts afterwards.The 3rd is uniform material collecting tank on drilling tool circumference, makes the material under boring consider automatic storage to be worth doing in material collecting tank, and can not fall in pipeline.
As preferably, the mode of described resistance wire Spiral distribution is: in bypass main body centered by the corresponding through hole of drilling tool, resistance wire is screw arrangement from outside to inside first, a little returns, then press oppositely from inside to outside screw arrangement to turning back.Adopt a resistance wire to be rationally wound around, guarantee continuity, the integrity of technique, thereby make hot melt even, guarantee weld strength.
As preferably, described resistance wire Spiral distribution has: from outside to inside the resistance wire of screw arrangement with from parallel being evenly arranged of resistance wire of screw arrangement from inside to outside.
As preferably, the position that described wiring cutter head turns back is a little apart from the distance >=3mm at the corresponding through hole of drilling tool edge.Resistance wire arranges that take the corresponding through hole center line of drilling tool carries out arranged in concentric circles as the center of circle, apart from the corresponding through hole of drilling tool edge, keeps rational distance, makes the welding edge in melting process keep smooth without stream knurl phenomenon.
As preferably, the resistance wire that respectively encloses of described Spiral distribution buries a deep equality, and the formed resistance wire of the wrapping wire number of turns arranges that overall width is 2/3~4/5 of saddle type circular arc face of weld width.Best face of weld is the basic guarantee that the technical program melting object reaches best welding effect, burying uniformly the proportional spacing that a degree of depth respectively encloses resistance wire is the guaranteed conditions of whole face of weld soaking, only when whole face of weld thermally equivalent melting, just can make face of weld reach comparatively ideal effect.
As preferably, described drilling tool is provided with handle, and on this, handle and transition trim ring endoporus transition fit, be provided with Double seal ring in the fitting surface of upper handle and transition trim ring, and one of them seal ring is positioned at handle top section, and another seal ring is positioned at handle intermediate portion.Upper handle pilot hole when transition trim ring endoporus is drilling tool perforate work, all needs to seal completely during this pilot hole work and after work, and Double seal ring has guaranteed this requirement.
As preferably, described transition trim ring coordinates by multidiameter shaft and thread forms with bypass main body endoporus, at multidiameter shaft and screw-thread fit position, is respectively equipped with transition trim ring seal ring.Multidiameter shaft is to consist of two different-diameter sections, is not only applicable to guiding and installs, and by screw thread press seal circle, be conducive to respectively contact the sealing of arc surface.
As preferably, the saw tooth structure of described drilling tool tool bit part is strip, and the guiding afterbody of every cutter head, to center introversion, forms material collecting tank between every cutter head.Strip sawtooth has two effects, and the one, form material collecting tank, the 2nd, form the effectively cutter head of cutting.When the guiding afterbody of introversion makes to hole, cutting swarf enters material collecting tank smoothly.
As preferably, the tool bit part of described drilling tool saw tooth structure inner side is provided with worm structure, and described worm structure is fine thread.The design of inner side fine thread structure, the bulk PE pipeline material piece while guaranteeing to hole under saw is fixed on cutter inside, and does not fall into the normal conveying that affects liquid medium in pipeline.
The invention has the beneficial effects as follows: the resistance wire that Spiral distribution mode is imbedded, optimized weld strength; Multiple-sealed setting, has guaranteed the sealing effect between each parts in whole device working procedure, prevents that the sealing configuration on drilling tool or transition trim ring surprisingly lost efficacy, and medium is leaked; According to plastic pipe product cutting feature, automatically collect the bits material of boring procedure, avoid entering because of foreign material the normal conveying that pipeline affects medium.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the other direction structural representation of Fig. 1 of the present invention.
Fig. 3 is the right TV structure schematic diagram of Fig. 2 of the present invention.
Fig. 4 is the local structure for amplifying schematic diagram of Fig. 1 of the present invention.
Fig. 5 is a kind of drilling tool structure schematic diagram of the present invention.
Fig. 6 is a kind of wiring cutter head structure schematic diagram of the present invention.
In figure: 1. bypass is blocked a shot, 2. cap sealed circle, 3. transition trim ring seal ring, 4. cutter seal ring, 5. bypass main body, 51. saddle type circular arc face of weld, 6. transition trim ring, 7. drilling tools, 71. cutter heads, 72. fine threads, 8. resistance wire, 9. wiring cutter head.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
A kind of rear cloth silk electric smelting saddle type bypass of the present embodiment, main housing is the bypass main body 5 that is saddle type, as shown in Figure 1 and Figure 2, bypass main body 5 is provided with two orthogonal nipples, one of them nipple is external pipe, and another nipple, as becoming hole drill tool seat, becomes in hole drill tool seat drilling tool 7 is housed, coaxially be provided with saddle type seat with drilling tool 7, i.e. saddle type circular arc face of weld 51 in bypass main body 5.
Drilling tool 7 is assemblied in the one-tenth hole drill tool seat of bypass main body 5, drilling tool 7 is provided with handle, as shown in Figure 5, the endoporus transition fit of handle and transition trim ring 6 on this, between upper handle and transition trim ring 6 endoporus, establish two place's cutter seal rings 4, one of them cutter seal ring 4 is positioned at handle top, and another cutter seal ring 4 is positioned at handle intermediate portion.
The lower end tool bit part hollow of drilling tool 7, the cutter head being evenly arranged for one week is strip saw tooth structure, the guiding afterbody of every cutter head 71 is to hollow centre introversion 15 degree angles, by forming a plurality of material collecting tanks along uniform on drilling tool circumference between every cutter head 71, the tool bit part inner side of drilling tool 7 is provided with fine thread 72.
Drilling tool 7 length are provided with external thread section to intermediate portion, screw-internal thread fit in this external thread section and bypass main body 5 endoporus, at external thread section position, form a guiding annular groove with upper handle hypomere, the lower tubular section Spielpassung that described guiding annular groove and transition trim ring 6 are provided with, as shown in Figure 4.The epimere of transition trim ring 6 is provided with the external thread part identical with drilling tool 7 external thread sections, and a shaft shoulder is established in the upper end of external thread part, between the top of external thread part, upper shaft shoulders and bypass main body 5, is provided with two O type transition trim ring seal rings 3 that diameter is different.In bypass main body 5, be top-loaded with bypass block 1, the top end of bypass main body 5 and bypass are blocked a shot O type cap sealed circle 2 are housed between 1 fitting surface.
With wiring cutter head 9 as shown in Figure 6, resistance wire 8 is imbedded on the saddle type circular arc face of weld 51 in bypass main body, as shown in Figure 3 in the mode of Spiral distribution.The mode of resistance wire Spiral distribution is: in bypass main body 5 centered by the corresponding through hole of drilling tool 7, the first screw arrangement from outside to inside of resistance wire 8, to turning back, a little return, press oppositely more from inside to outside parallel even, spiral layout, a position of turning back of wiring cutter head 9 is 3mm apart from the corresponding through hole of drilling tool 7 edge distance.The wrapping wire number of turns of this process, bury a degree of depth and wrapping wire overall width is all accurately located by numerical control program.
During installation, first cleaning need to increase the main line position of branch road newly, it is welding part, saddle type circular arc face of weld 51, over against welding part, is switched on power, fusion weld, then utilize drilling tool 7 to get through main line position, cutting swarf is hidden by material collecting tank, fine thread 72, returns drilling tool 7 to original position, completes bypass operation.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any structure after simple transformation of the present invention, technique is all belonged to protection scope of the present invention.

Claims (9)

1. cloth silk electric smelting saddle type bypass after a kind, comprise and be saddle type bypass main body (5), bypass block (1), sealing clamping ring (6), O RunddichtringO and be arranged on the drilling tool (7) in bypass main body, it is characterized in that with wiring cutter head (9), resistance wire (8) being imbedded on the saddle type circular arc face of weld (51) in bypass main body in the mode of Spiral distribution; The tool bit part of described drilling tool is saw tooth structure, and along uniform material collecting tank on drilling tool circumference.
2. a kind of rear cloth silk electric smelting saddle type bypass according to claim 1, the mode that it is characterized in that described resistance wire Spiral distribution is: in bypass main body (5) centered by the corresponding through hole of drilling tool (7), the first screw arrangement from outside to inside of resistance wire (8), to turning back, a little return, then by reverse screw arrangement from inside to outside.
3. a kind of rear cloth silk electric smelting saddle type bypass according to claim 2, is characterized in that described resistance wire Spiral distribution has: from outside to inside the resistance wire of screw arrangement with from parallel being evenly arranged of resistance wire of screw arrangement from inside to outside.
4. according to a kind of rear cloth silk electric smelting saddle type bypass described in claim 2 or 3, the position that the wiring cutter head (9) described in it is characterized in that turns back is a little apart from the distance >=3mm at the corresponding through hole of drilling tool (7) edge.
5. according to a kind of rear cloth silk electric smelting saddle type bypass described in claim 1 or 2 or 3, the resistance wire (8) that respectively encloses that it is characterized in that Spiral distribution buries a deep equality, and the formed resistance wire of the wrapping wire number of turns arranges that overall width is 2/3~4/5 of saddle type circular arc face of weld (51) width.
6. a kind of rear cloth silk electric smelting saddle type bypass according to claim 1, it is characterized in that described drilling tool (7) is provided with handle, handle and transition trim ring (6) endoporus transition fit on this, in the fitting surface of upper handle and transition trim ring, be provided with Double seal ring, one of them seal ring is positioned at handle top section, and another seal ring is positioned at handle intermediate portion.
7. according to a kind of rear cloth silk electric smelting saddle type bypass described in claim 1 or 2 or 3 or 6, it is characterized in that described transition trim ring (6) coordinates by multidiameter shaft and thread forms with bypass main body (5) endoporus, is respectively equipped with transition trim ring seal ring (3) at multidiameter shaft and screw-thread fit position.
8. according to a kind of rear cloth silk electric smelting saddle type bypass described in claim 1 or 2 or 3 or 6, the saw tooth structure that it is characterized in that described drilling tool (7) tool bit part is strip, the guiding afterbody of every cutter head, to center introversion, forms material collecting tank between every cutter head.
9. according to a kind of rear cloth silk electric smelting saddle type bypass described in claim 1 or 2 or 3 or 6, it is characterized in that the tool bit part inner side of described drilling tool (7) saw tooth structure is provided with worm structure, described worm structure is fine thread (72).
CN201410190547.2A 2014-05-08 2014-05-08 Cloth silk electric smelting saddle type bypass after one Active CN104061397B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018179299A (en) * 2017-04-20 2018-11-15 ゲオルク フィッシャー ヴァーフィン アクチエンゲゼルシャフトGeorg Fischer Wavin AG Geometric heating element used in tapping saddle
CN109538843A (en) * 2019-01-08 2019-03-29 邹凯 It is a kind of can branch natural gas line
CN110052843A (en) * 2019-05-31 2019-07-26 海力士五金机电(昆山)有限公司 A kind of numerically-controlled machine tool self routing device
CN112628512A (en) * 2020-12-01 2021-04-09 宁波市宇华电器有限公司 Electric smelting bypass saddle pipe fitting of self-adaptive control welding heat altered shape
CN112628511A (en) * 2020-12-01 2021-04-09 宁波市宇华电器有限公司 Electric smelting bypass saddle pipe fitting capable of recovering drilling tool under pressure without stopping gas
CN112622287A (en) * 2020-12-01 2021-04-09 宁波市宇华电器有限公司 Method for regulating and controlling welding thermal deformation of electric smelting bypass saddle-shaped pipe fitting

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933037A (en) * 1984-11-13 1990-06-12 Riesselmann & Sohn Method of producing a molded connection piece, in particular a boring saddle
US6907896B1 (en) * 2000-11-29 2005-06-21 Uponor Innovation Ab Tapping fitting
CN201803032U (en) * 2010-08-27 2011-04-20 广东联塑科技实业有限公司 Electrofusion saddle tee device for pipe connection
CN202176864U (en) * 2011-07-26 2012-03-28 广东联塑科技实业有限公司 Electric smelting saddle type with worm-like spiral heating filament
CN202302509U (en) * 2011-10-24 2012-07-04 余姚市河姆渡庆发实业有限公司 Novel saddle bypass for pressure pipeline
CN203395476U (en) * 2013-07-19 2014-01-15 广东联塑科技实业有限公司 Bypass-integrated electric-melting saddle type direct connection
CN203927216U (en) * 2014-05-08 2014-11-05 浙江庆发管业科技有限公司 A kind of rear cloth silk electric smelting saddle type bypass

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933037A (en) * 1984-11-13 1990-06-12 Riesselmann & Sohn Method of producing a molded connection piece, in particular a boring saddle
US6907896B1 (en) * 2000-11-29 2005-06-21 Uponor Innovation Ab Tapping fitting
CN201803032U (en) * 2010-08-27 2011-04-20 广东联塑科技实业有限公司 Electrofusion saddle tee device for pipe connection
CN202176864U (en) * 2011-07-26 2012-03-28 广东联塑科技实业有限公司 Electric smelting saddle type with worm-like spiral heating filament
CN202302509U (en) * 2011-10-24 2012-07-04 余姚市河姆渡庆发实业有限公司 Novel saddle bypass for pressure pipeline
CN203395476U (en) * 2013-07-19 2014-01-15 广东联塑科技实业有限公司 Bypass-integrated electric-melting saddle type direct connection
CN203927216U (en) * 2014-05-08 2014-11-05 浙江庆发管业科技有限公司 A kind of rear cloth silk electric smelting saddle type bypass

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018179299A (en) * 2017-04-20 2018-11-15 ゲオルク フィッシャー ヴァーフィン アクチエンゲゼルシャフトGeorg Fischer Wavin AG Geometric heating element used in tapping saddle
JP7073181B2 (en) 2017-04-20 2022-05-23 ゲオルク フィッシャー ヴァーフィン アクチエンゲゼルシャフト Geometric heating element for use in tapping saddles
CN109538843A (en) * 2019-01-08 2019-03-29 邹凯 It is a kind of can branch natural gas line
CN110052843A (en) * 2019-05-31 2019-07-26 海力士五金机电(昆山)有限公司 A kind of numerically-controlled machine tool self routing device
CN112628512A (en) * 2020-12-01 2021-04-09 宁波市宇华电器有限公司 Electric smelting bypass saddle pipe fitting of self-adaptive control welding heat altered shape
CN112628511A (en) * 2020-12-01 2021-04-09 宁波市宇华电器有限公司 Electric smelting bypass saddle pipe fitting capable of recovering drilling tool under pressure without stopping gas
CN112622287A (en) * 2020-12-01 2021-04-09 宁波市宇华电器有限公司 Method for regulating and controlling welding thermal deformation of electric smelting bypass saddle-shaped pipe fitting
CN112628512B (en) * 2020-12-01 2022-11-18 宁波宇华实业股份有限公司 Electric smelting bypass saddle pipe fitting of self-adaptive control welding heat altered shape

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Application publication date: 20140924

Assignee: YUYAO HONGYUAN PIPE MANUFACTURING CO.,LTD.

Assignor: ZHEJIANG QINGFA PIPE TECHNOLOGY Co.,Ltd.

Contract record no.: X2021330000760

Denomination of invention: A saddle type bypass valve for rear cloth wire Electrofusion

Granted publication date: 20160608

License type: Common License

Record date: 20211117