CN106287094B - The abundant hot-melt adhesive paste pipeline of electromagnetic induction internal-expansion type - Google Patents

The abundant hot-melt adhesive paste pipeline of electromagnetic induction internal-expansion type Download PDF

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Publication number
CN106287094B
CN106287094B CN201610821023.8A CN201610821023A CN106287094B CN 106287094 B CN106287094 B CN 106287094B CN 201610821023 A CN201610821023 A CN 201610821023A CN 106287094 B CN106287094 B CN 106287094B
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China
Prior art keywords
plastic pipe
rubber sleeve
oral area
pipe part
composite metal
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Application number
CN201610821023.8A
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Chinese (zh)
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CN106287094A (en
Inventor
王泽宇
屠奔宽
屠洪涛
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Shengzhou Kangyu Steel-Plastic Composite Pipe Factory
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Individual
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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
    • F16L47/02Welded joints; Adhesive joints
    • F16L47/03Welded joints with an electrical resistance incorporated in the joint

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of abundant hot-melt adhesive paste pipelines of electromagnetic induction internal-expansion type, including pure plastic pipe part, composite metal-plastic pipe material, rubber sleeve and ring bush, composite metal-plastic pipe material has interior, outer plastic pipe layer and intermetallic metal tube layer, pure plastic pipe part has at least one internal ring portion, outer portion and annular socket joint chamber, the tubing plants annular socket joint chamber, ring bush has annular storage tank and serves as a contrast oral area positioned at the two of the slot two side ends, rubber sleeve is placed in annular storage tank, ring bush is by serving as a contrast oral area in pipe fitting, extruded rubber sleeve is constrained between internal ring portion and annular storage tank, when tubing is melted with pipe fitting electromagnetism, the internal ring portion of soft state bears circumferential squeeze from rubber sleeve and expands to promote pure plastic pipe part and composite metal-plastic pipe material to form seamless frit seal.Pipeline using the above scheme can form seamless sealing welding, prevent pipe leakage between composite metal-plastic pipe material and the internal ring portion of pure plastic pipe part.

Description

The abundant hot-melt adhesive paste pipeline of electromagnetic induction internal-expansion type
【Technical field】
The present invention relates to a kind of abundant hot-melt adhesive paste pipelines of electromagnetic induction internal-expansion type, belong to pipeline fusion techniques field.
【Background technology】
In the construction of pipeline engineering, the piping network for especially being used to supply water and supply, people use more and more Using steel pipe as the composite metal-plastic pipe material of base tube, by the connection of pure plastic pipe part electromagnetic welding to shape between steel-plastic composite pipe At pipeline, steel-plastic composite pipe integrates high pressure resistant, anti-corrosion and resistance oxygen, which is traditional galvanized pipe, thermoplasticity modeling The upgraded product of expects pipe.
In the prior art, composite metal-plastic pipe material is difficult to really realize forms tightening seal with the internal ring portion of pure plastic pipe part Welding, inevitably there are welding gaps with the internal ring portion of pure plastic pipe part for composite metal-plastic pipe material, to leak Phenomenon, and circle situation is lost when pure plastic pipe part exists, welding gap will become much larger.
How composite metal-plastic pipe material and the internal ring portion of pure plastic pipe part between reliable seamless tightening seal welding is promoted, It is a big technical barrier of pipeline industry in fact, applicant passes through unremitting effort with great concentration, and present application is due to generating.
【Invention content】
Existing deficiency for the above-mentioned prior art, the present invention provide a kind of abundant hot-melt adhesive paste of electromagnetic induction internal-expansion type Pipeline can form the seamless sealing welding of high reliability between composite metal-plastic pipe material and the internal ring portion of pure plastic pipe part, The generation of pipe leakage phenomenon is prevented.
For this purpose, the present invention provides the following technical solution:
The abundant hot-melt adhesive paste pipeline of electromagnetic induction internal-expansion type, including pure plastic pipe part and composite metal-plastic pipe material, metal There is compound plastic pipe inside and outside plastic pipe layer and intermetallic metal tube layer, pure plastic pipe part to have at least one internal ring portion, outer shroud Portion and annular socket joint chamber, composite metal-plastic pipe material are plugged on annular socket joint intracavitary, and improvement is:Further include rubber sleeve and Ring bush, ring bush have annular storage tank and two lining oral areas positioned at the annular storage tank two side ends, rubber sleeve set It is placed in annular storage tank;Ring bush is embedded by the two lining oral areas in pure plastic pipe part, the rubber under being squeezed Set is then constrained between internal ring portion and annular storage tank;It is soft when composite metal-plastic pipe material is melted with pure plastic pipe part electromagnetism The internal ring portion of change state bears circumferential squeeze from rubber sleeve and expands to promote pure plastic pipe part and composite metal-plastic pipe material Form seamless frit seal.
As further supplementing said program and perfect, the invention also includes following technical characteristics:
Before ring bush with annular storage tank is by set body portion, preposition lining oral area, postposition lining oral area and transition connection It sets lining oral area and is formed with the second conical surface portion that first conical surface portion in set body portion and transition connect postposition lining oral area and cover body portion, In, the diameter of preposition lining oral area is more than the diameter in set body portion and less than the diameter of postposition lining oral area, set body portion is isodiametric, ring Shape bushing is frontward installed in preposition lining oral area in pure plastic pipe part, and forward and backward lining oral area of setting is made fully to contradict internal ring portion.
The both sides port of above-mentioned rubber sleeve has horn mouth compatible with the first conical surface portion, the second conical surface portion respectively, rubber The outer surface of gum cover is in the side shape of round platform.
The external surface shape of internal ring portion its wall surface and rubber sleeve that are in contact with the outer surface of rubber sleeve matches.
The invention has the advantages that and advantageous effect:
When ring bush is not embedded on pure plastic pipe part, rubber sleeve is to be in natural form set not by external force constraint completely It is placed on ring bush.
During setting ring bush in pure plastic pipe part, it is squeezed deformation along with rubber sleeve and is constrained to Between the internal ring portion of pure plastic pipe part and the annular storage tank of ring bush.
When having planted composite metal-plastic pipe material together and pure plastic pipe part and having been melted by electromagnetism, soft state it is interior Ring portion bear from rubber sleeve it is circumferential squeeze expansion, the favourable outcome brought be substantially eliminate internal ring portion, outer portion with Socket joint gap between composite metal-plastic pipe material, realized after cooling composite metal-plastic pipe material with pure plastic pipe part is seamless can By sealing, present inventive concept is ingenious, and pipe electromagnetic frit seal significant effect is unique, and welding quality is high, and the fluid in pipeline is close Envelope property is good, has prevented pipe leakage hidden danger.
In addition, the technical program also can overcome the disadvantages that pure plastic pipe part has the slight circle that loses and (for example aoxidized after manufacture, shipping storage The defect Deng caused by) in the case of, avoid the generation in pipeline welding gap.
Variable-diameter structure is designed to the ring bush of unique style:The diameter of preposition lining oral area be more than the diameter in set body portion and Less than the diameter that postposition serves as a contrast oral area, set body portion equal diameter, and the both sides port of rubber sleeve have respectively with ring bush first The compatible horn mouth of the second conical surface portion of conical surface portion, ring bush, the outer surface of rubber sleeve are in the side shape of round platform, match cyclization The unique mounting structure of shape bushing is to be installed in pure plastic pipe part in such a way that preposition lining oral area is facing forward, meets and forward and backward sets lining Oral area fully contradicts internal ring portion, significantly has the advantage that:Due to being planted to pure plastics together with rubber sleeve in ring bush When in pipe fitting, wherein extrusion deformation degree maximum is nearby born in the outer end of rubber sleeve, subsequently when internal ring portion and interior plastic pipe layer are soft When change, then the circumferential extruding dilating effect of this part of rubber sleeve towards corresponding internal ring portion near ports is most strong, this makes Frit seal effect highest at the near ports of its internal ring portion of pure plastic pipe part, it is meant that substantially increase pure plastic pipe part port The leakproofness in (leakage starting source) nearby.
【Description of the drawings】
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the structural schematic diagram of the ring bush of the present invention;
Fig. 3 is the structural schematic diagram of the rubber sleeve of the present invention;
Fig. 4 is that (wherein, emergence goes out annular to the two side ends of rubber sleeve respectively for schematic diagram after rubber sleeve is placed on ring bush The corresponding preposition lining oral area outer rim of bushing, postposition lining oral area outer rim).
【Specific implementation mode】
It please refers to Fig.1, shown in 2,3,4, is presently preferred embodiments of the present invention.
The abundant hot-melt adhesive paste pipeline of electromagnetic induction internal-expansion type, including pure plastic pipe part 2 and composite metal-plastic pipe material 1, gold Belonging to compound plastic pipe 1, there is interior plastic pipe layer 11, outer plastic pipe layer 12 and intermetallic metal tube layer 10, pure plastic pipe part 2 to have (it is two-way pure plastic pipe that pure plastic pipe part 2, which is shown in the figure, at least one internal ring portion 21, outer portion 22 and annular socket joint chamber 20 Part can also be threeway pure plastic pipe part, four-way pure plastic pipe part etc. certainly), composite metal-plastic pipe material 1 is plugged on annular and holds It inserts in chamber 20, improvement is:Further include rubber sleeve 3 and ring bush 4, ring bush 4 has annular storage tank O and is located at Two lining oral areas of the annular storage tank O two side ends, rubber sleeve 3 are placed in annular storage tank O;Ring bush 4 by this two For a lining oral area in pure plastic pipe part 2, the rubber sleeve 3 under being squeezed then is constrained to internal ring portion 21 and annular storage tank Between O;When composite metal-plastic pipe material 1 is melted with 2 electromagnetism of pure plastic pipe part, the internal ring portion 21 of soft state bears to come from rubber The circumferential of set 3 squeezes expansion to promote pure plastic pipe part 2 and composite metal-plastic pipe material 1 to form seamless frit seal, after cooling Eliminate the gap between pure plastic pipe part 2 and composite metal-plastic pipe material 1.
Composite metal-plastic pipe material 1 is by being placed on outer shroud with the alternating magnetic field needed for 2 electromagnetic welding of pure plastic pipe part What the electromagnetic melting band tool 5 with electromagnetic induction coil 51 in portion 22 generated, (apply on January 19th, 2012 referring to applicant Patent No. 201220027193.6, the entitled electromagnetic melting band tool of patent).
Ring bush 4 with annular storage tank O is by set body portion 40, preposition lining oral area 41, postposition lining oral area 42 and mistake It crosses the preposition lining oral area 41 of connection and connect postposition lining oral area 42 and set body portion 40 with the first conical surface portion 43 and transition for covering body portion 40 Second conical surface portion 44 forms, wherein the diameter of preposition lining oral area 41 is more than the diameter in set body portion 40 and serves as a contrast oral area 42 less than postposition Diameter, set body portion 40 is isodiametric, and ring bush 4 is frontward installed in preposition lining oral area 41 in pure plastic pipe part 2, and Lining oral area 41, postposition lining oral area 42 fully contradict internal ring portion 21 before making.
The annular storage tank O that first conical surface portion 43, set body portion 40 and the second conical surface portion 44 collectively constitute is for being set with rubber sleeve 3。
The both sides port of rubber sleeve 3 has horn mouth compatible with the first conical surface portion 43, the second conical surface portion 44 respectively, rubber The outer surface 30 of gum cover 3 is in the side shape of round platform.In the present embodiment, such as Fig. 4 and in conjunction with shown in Fig. 2,3, it is left to be located at rubber sleeve 3 The small side ports g of hand side has similarly is located at 3 right-hand side of rubber sleeve with the first conical surface portion 43, compatible toy trumpet mouth Big side ports G has typhon mouth compatible with the second conical surface portion 44.
Its wall surface being in contact with the outer surface 30 of rubber sleeve 3 of internal ring portion 21 is in the side shape of round platform, the wall surface shape 30 shape of outer surface of shape and rubber sleeve 3 matches.
The wall thickness of rubber sleeve 3 everywhere is unequal, and rubber sleeve 3 abuts the 43 place side of the first conical surface portion of ring bush 4 from it The wall thickness of the 44 place side rubber sleeve 3 of the second conical surface portion of adjacent ring bush 4 is held gradually to increase;Internal ring portion 21 is everywhere Wall thickness is unequal, and internal ring portion 21 is gradually reduced from its bottom to the wall thickness of its port internal ring portion.
Composite metal-plastic pipe material 1 can be plastic stainless-steel composite-tubes material either aluminium alloy compound plastic pipe.
Rubber sleeve 3 uses thermoset rubber.
The installation process of the present invention is as follows:
1, rubber sleeve 3 is placed in the annular storage tank O of ring bush 4, the small side ports g of rubber sleeve 3 is made to be affixed by In first conical surface portion 43 of ring bush 4, and big side ports G is made to be affixed by the second conical surface portion 44.
After set is finished as shown in figure 4, the small side ports g of rubber sleeve 3 is affixed by the first conical surface portion 43 of ring bush 4, rubber The end of set 3 is higher by preposition 41 outer rim of lining oral area;The big side ports G of rubber sleeve 3 is affixed by the second conical surface portion 44 of ring bush 4 Afterwards, the end of rubber sleeve 3 is higher by postposition lining 42 outer rim of oral area, and pure plastics are placed in together with rubber sleeve 3 to meet follow-up ring bush 4 During in pipe fitting 2, rubber sleeve 3 is squeezed lower compressed.
2, then ring bush 4 is placed in together with rubber sleeve 3 in pure plastic pipe part 2, installation requirement is that ring bush 4 will be with The 41 mode intercalation facing forward of preposition lining oral area, intercalation finish then so that in preposition lining oral area 41, the abundant conflict of postposition lining oral area 42 Ring portion 21.
3, composite metal-plastic pipe material 1 is planted in annular socket joint chamber 20.
4, after completing above-mentioned preparation, electromagnetic melting band tool 5 can access alternating current, soon, pure plastic pipe part 2 Frit seal seamless process is realized with composite metal-plastic pipe material 1.

Claims (1)

1. a kind of abundant hot-melt adhesive paste pipeline of electromagnetic induction internal-expansion type, including pure plastic pipe part and composite metal-plastic pipe material, gold Belonging to compound plastic pipe has inside and outside plastic pipe layer and an intermetallic metal tube layer, and pure plastic pipe part has at least one internal ring portion, outer Ring portion and annular socket joint chamber, composite metal-plastic pipe material are plugged on annular socket joint intracavitary, it is characterised in that:Further include rubber sleeve and Ring bush, ring bush have annular storage tank and two lining oral areas positioned at the annular storage tank two side ends, rubber sleeve set It is placed in annular storage tank;Ring bush is embedded by the two lining oral areas in pure plastic pipe part, the rubber under being squeezed Set is then constrained between internal ring portion and annular storage tank, has the ring bush of annular storage tank by set body portion, preposition lining mouth Portion, postposition lining oral area and transition connect preposition lining oral area connect with the first conical surface portion and transition for covering body portion postposition serve as a contrast oral area and Cover the second conical surface portion composition in body portion, wherein the diameter of preposition lining oral area is more than the diameter in set body portion and serves as a contrast oral area less than postposition Diameter, set body portion is isodiametric, and ring bush is frontward installed in preposition lining oral area in pure plastic pipe part, and before making, Postposition lining oral area fully contradicts internal ring portion;The both sides port of rubber sleeve have respectively with the first conical surface portion, the second conical surface portion phase The horn mouth of adaptation, the outer surface of rubber sleeve are in the side shape of round platform, its bottom for being in contact with the outer surface of rubber sleeve of internal ring portion The external surface shape of wall surface and rubber sleeve matches, and when composite metal-plastic pipe material is melted with pure plastic pipe part electromagnetism, softens shape The internal ring portion of state bears circumferential squeeze from rubber sleeve and expands to promote pure plastic pipe part to be formed with composite metal-plastic pipe material Seamless frit seal.
CN201610821023.8A 2016-09-10 2016-09-10 The abundant hot-melt adhesive paste pipeline of electromagnetic induction internal-expansion type Active CN106287094B (en)

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Application Number Priority Date Filing Date Title
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CN106287094B true CN106287094B (en) 2018-08-07

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107379562A (en) * 2017-05-27 2017-11-24 王泽宇 The seamless hot melting and connecting method of the outer expanding of large-diameter steel plastic composite pressure pipe

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* Cited by examiner, † Cited by third party
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CN102829276B (en) * 2012-08-02 2014-08-13 徐焕松 Electromagnetic induction heating type steel-plastic composite pipeline full fusion welding structure
CN202955393U (en) * 2012-12-05 2013-05-29 浙江楠丰管道工业有限公司 Bending-connection steel-plastic composite pipe with external thread insert
TWI571588B (en) * 2015-06-24 2017-02-21 Ian Larsen Combined device for large-diameter submerged water pipe and combined method thereof
CN205226726U (en) * 2015-11-24 2016-05-11 杨蒙 Two hot -melting pipe fitting of electromagnetic induction butt fusion type with outside tension bush
CN206409802U (en) * 2016-09-10 2017-08-15 王泽宇 The abundant hot-melt adhesive paste pipeline of electromagnetic induction internal-expansion type

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Effective date of registration: 20210508

Address after: 312400 macheqiaotou, huangze Town, Shengzhou City, Shaoxing City, Zhejiang Province

Patentee after: Shengzhou Kangyu Steel-Plastic Composite Pipe Factory

Address before: No. 168, Shunfu village, huangze Town, Shengzhou City, Zhejiang Province

Patentee before: Wang Zeyu

Patentee before: Tu Benkuan

Patentee before: Tu Hongtao

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