CN110296293A - A kind of pipe connecting structure - Google Patents
A kind of pipe connecting structure Download PDFInfo
- Publication number
- CN110296293A CN110296293A CN201910584608.6A CN201910584608A CN110296293A CN 110296293 A CN110296293 A CN 110296293A CN 201910584608 A CN201910584608 A CN 201910584608A CN 110296293 A CN110296293 A CN 110296293A
- Authority
- CN
- China
- Prior art keywords
- tube
- pipe
- wall
- plastic tube
- inner sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920003023 plastic Polymers 0.000 claims abstract description 43
- 239000004033 plastic Substances 0.000 claims abstract description 43
- 230000006698 induction Effects 0.000 claims abstract description 8
- 206010037660 Pyrexia Diseases 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 18
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 8
- 230000005674 electromagnetic induction Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
-
- 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
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention relates to a kind of pipe connecting structures, belong to the connection structure technical field of pipeline, it is related to the connection of plastic tube and connecting tube, the connector of connecting tube includes the outer tube and inner sleeve of coaxial arrangement, the outer tube internal perisporium buries mold insert, axially extending annular gap is formed between the inner sleeve pipe outer wall and outer sleeve inner wall, the outer wall for the plastic tube for being inserted into annular gap is contacted with mold insert, and the mold insert is made outer sleeve inner wall and plastic tube outer wall melt binding by induction fever.The inner sleeve inside pipe wall is additionally provided with support core pipe.The application is not only simple in structure, and it is convenient to operate, and applicability is wide, leakproofness is strong.
Description
Technical field
The present invention relates to a kind of pipe connecting structures, belong to the connection structure technical field of pipeline.
Background technique
Pipeline connection, which refers to, is connected with each other two root canal roads, for plastic conduit, at present frequently with electric melting connection pipe fitting.
Electric melting connection pipe fitting be using be embedded in inner surface of pipe fitting heating element be powered after generate high temperature contact surface is fused into it is whole
The connection method of body, heating element herein generally use heating wire.Heating wire skeleton is with plastics identical with pipe material
The manufactured plastic-embedded coil holder with one fixed width inlays the heating wire of forming circuit in the outer surface groove of plastic-embedded coil holder.
Heating wire skeleton after complete heating wire is placed in the inner wall of pipe fitting injection mould port, carrying out pipe fitting injection molding becomes pipe fitting, and adopts
It is powered with power source special to heating wire, due to the electrocaloric effect of electric current, heating wire melts pipe fitting inner wall and outer pipe wall to be formed
Hot melt strip, molten and formation one, forms reliable connect after cooling.
However, the heating wire that existing electric melting connection pipe fitting uses is from the one ends wound of pipe fitting to the other end, with electric heating
Two connected electrodes of silk are separately positioned on the both ends of pipe fitting, and structure is complicated；And after being powered, both ends welding simultaneously, this connection
In structure, the both ends of pipe fitting must welding simultaneously, the heat that the heating wire at both ends generates is uneven, so that both ends welding effect is not
Certain identical, leakproofness is poor.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of pipe connecting structure for the above-mentioned prior art, not only structure
Simply, it is convenient to operate；And leakproofness is strong, applicability is wide.
The present invention solves the above problems used technical solution are as follows: a kind of pipe connecting structure, including connecting tube and plastics
Pipe, the connection tube end have the hot melt type joint to match with plastic tube, and connector is used for connecting tube and the plastics seal of tube
Connection, the connector include the outer tube and inner sleeve of coaxial arrangement, and the outer tube internal perisporium buries mold insert, the inner sleeve
Axially extending annular gap is formed between outer wall and outer sleeve inner wall, is inserted into the outer wall and edge of the plastic tube of annular gap
Part contact, the mold insert are made outer sleeve inner wall and plastic tube outer wall melt binding by induction fever.
The mold insert is the endless metal grid of hollow out, including square hole filter, circular hole filter, diamond shape filter.
The inner sleeve inside pipe wall is additionally provided with support core pipe, for preventing inner sleeve from deforming.
The support core pipe is brass pipe fitting, low compared with mold insert by induction heating temperature.
The annular gap deep constitutes plastic tube inserting end and limits.
In the axial direction, the relatively described outer tube of the inner sleeve is inwardly indented.
Further, the plastic tube is the steel skeleton pipe that tubular body is embedded with tubulose Elements of Space Grid Truss.Incuded in mold insert
During carrying out thermal welding, the tubulose Elements of Space Grid Truss in steel skeleton die portion is generated heat by induction simultaneously, softens connecting tube.
Further, the plastic tube is that tubular body is embedded with the tubulose being interwoven by steel wire of internal layer and cover wire
The steel wire network pipe of Elements of Space Grid Truss.
Compared with the prior art, the advantages of the present invention are as follows: a kind of pipe connecting structure, connection tube end have the connector,
By protruding into plastic tube in the annular gap of the connector, it is molten that heating is carried out to metal grid by electromagnetic induction heating electric circle
Melt, realizes the sealed connection of plastic tube and connecting tube.It is not only simple in structure, it is convenient to operate, and applicability is wide, leakproofness is strong.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of pipe connecting structure of the embodiment of the present invention；
Fig. 2 is the attachment structure schematic diagram of three way type connecting tube and plastic tube；
Fig. 3 is the attachment structure schematic diagram of elbow type connecting tube and plastic tube；
Fig. 4 is the attachment structure schematic diagram of special-shaped formula connecting tube and plastic tube；
Fig. 5 is the attachment structure schematic diagram of flange form connecting tube and plastic tube；
Fig. 6 is the structural schematic diagram of metal grid；
Fig. 7 is the attachment structure schematic diagram of steel skeleton pipe and connecting tube；
Fig. 8 is the attachment structure schematic diagram of steel wire network pipe and connecting tube.
1 connecting tube, 2 connectors, 2.1 outer tubes, 2.2 inner sleeves, 2.3 support core pipes, 3 plastic tubes, 5 metal grid, 6 in figure
Electromagnetic induction heating coil, 7 steel skeleton pipes, 8 steel wire network pipes.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1, one of the present embodiment pipe connecting structure, including through type connecting tube 1 and plastic tube 3, it leads directly to
1 both ends of formula connecting tube are respectively equipped with plastic tube 3, and 1 both ends of connecting tube are respectively provided with the connector 2 to match with plastic tube 3, and two connect
First 2 are tightly connected connecting tube 1 with corresponding plastic tube 3.Its center tap 2 includes the outer tube 2.1 of coaxial arrangement, inner sleeve
2.2 and support core pipe 2.3, inner sleeve 2.2 be set to the inside of outer tube 2.1, and in the axial direction, inner sleeve is along outer tube to inside contracting
Into so that inner sleeve and housing tube end are non-coplanar.
2.1 internal perisporium of outer tube buries metal grid 5, is formed between 2.1 inner wall of 2.2 outer wall of inner sleeve and outer tube axial
Plastic tube 3 is inserted into annular gap and annular gap deep constitutes 3 inserting end of plastic tube and limits by the annular gap of extension.
Metal grid 5 is contacted with 3 outer wall of plastic tube.It is arranged circumferentially electromagnetic induction heating coil 6 on the outside of outer tube 2.1, makes metal grid
Net 5 is induction heated heating, and metal grid 5 makes 2.1 internal perisporium of outer tube and 3 periphery wall of plastic tube contacted part respectively
Bond vitrified completes 3 blow of plastic tube in the annular gap of connector 2 after cooling.The setting support core pipe in inner sleeve 2.2
2.3, support core pipe 2.3 is made using brass pipe fitting, when electromagnetic induction heating coil 6 to and metal grid 5 heat
When, it plays a supportive role to inner sleeve 2.2, prevents 2.2 collapse-deformation of inner sleeve, it is ensured that the official jargon of connector 2 is indeformable.In axial direction
On, inner sleeve 2.2 is inwardly indented along outer tube 2.1, so that inner sleeve 2.2 and 2.1 end of outer tube be not same vertical flat
Face when being induction heated, prevents plastic tube 3 to be bent.
As shown in fig. 6, metal grid 5 be hollow out endless metal grid, including square hole filter, circular hole filter, diamond shape every
Net etc..
Embodiment 2
Above-mentioned plastic tube 3 and the jointing structure of connecting tube 1 are also applied in steel wire mesh frame pipe 7 and connecting tube 1, such as
Shown in Fig. 7, a kind of jointing structure of steel wire mesh frame pipe and connecting tube, including through type connecting tube 1 and steel wire mesh frame
Pipe 7,1 both ends of through type connecting tube are respectively equipped with steel wire mesh frame pipe 7, and 1 both ends of connecting tube are respectively provided with and steel wire mesh frame
Connecting tube 1 is tightly connected by the connector 2 that pipe 7 matches, two connectors 2 with corresponding steel wire mesh frame pipe 7.Its center tap 2 includes
Outer tube 2.1, inner sleeve 2.2 and the support core pipe 2.3 of coaxial arrangement, inner sleeve 2.2 are set to 2.1 inside of outer tube, and in axis
Upwards, inner sleeve is inwardly indented along outer tube, so that inner sleeve and housing tube end are non-coplanar.2.1 internal perisporium of outer tube buries
If metal grid 5, axially extending annular gap is formed between 2.1 inner wall of 2.2 outer wall of inner sleeve and outer tube, by steel wire bone
Frame pipe 7 is inserted into annular gap and annular gap deep constitutes 7 inserting end of steel wire mesh frame pipe and limits.Metal grid 5 and steel
The contact of 7 outer wall of silk screen skeleton pipe.Electromagnetic induction heating coil 6 is arranged circumferentially on the outside of outer tube 2.1, metal grid 5 is incuded
6 heat temperature raising of heating coil distinguishes 2.1 internal perisporium of outer tube contacted with metal grid 5 and 7 periphery wall of steel wire mesh frame pipe
Local bonding completes 7 blow of steel wire mesh frame pipe in the annular gap of connector 2 after cooling.Support is set in inner sleeve 2.2
Core pipe 2.3, support core pipe 2.3 is made using brass pipe fitting, when electromagnetic induction heating coil 6 adds metal grid 5
When hot, support core pipe 2.3 plays a supporting role to inner sleeve 2.2, prevents 2.2 collapse-deformation of inner sleeve, it is ensured that the lumen of connector 2
It is indeformable.In the axial direction, inner sleeve 2.2 is inwardly indented along outer tube 2.1, so that inner sleeve 2.2 and 2.1 end of outer tube are not
It is coplanar, when being induction heated, steel wire mesh frame pipe 7 is prevented to be bent.
In addition, the another kind deformation as the present embodiment, plastic tube 3 can also be steel wire network pipe 8, as shown in figure 8, plastics
Pipe 3 is the steel wire network pipe 8 that tubular body is embedded with the tubulose Elements of Space Grid Truss being interwoven by steel wire of internal layer and cover wire.Internal layer spiral
Steel wire and outer layer spiral wire constitute the Elements of Space Grid Truss of diamond-shaped meshes structure.
Other embodiments
As shown in Fig. 1,2,3,4,5, the structure of above-mentioned connecting tube 1 can for straight pipe type, three way type, flange form, elbow type,
The other structures such as special-shaped formula are respectively provided with above-mentioned connector 2 in 1 end of connecting tube, by electromagnetic induction heating coil 6 to its connector
Internal metal grid is heated, and realizes that connecting tube 1 and plastic tube 3 or steel wire mesh frame pipe 7 are tightly connected, it is convenient to operate.
2 applicability of connector is wide, leakproofness is strong.
In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiments
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (8)
1. a kind of pipe connecting structure, including connecting tube (1) and plastic tube (3), connecting tube (1) end has and plastic tube
(3) the hot melt type joint (2) to match, connector (2) are used to for connecting tube (1) and plastic tube (3) being tightly connected, and feature exists
In: the connector (2) includes the outer tube (2.1) and inner sleeve (2.2) of coaxial arrangement, and outer tube (2.1) internal perisporium buries
If mold insert (5), axially extending annular gap is formed between inner sleeve (2.2) outer wall and outer tube (2.1) inner wall, is inserted into
The outer wall of the plastic tube (3) of annular gap is contacted with mold insert (5), and the mold insert (5) is made outer tube (2.1) by induction fever
Inner wall and plastic tube (3) outer wall melt binding.
2. a kind of pipe connecting structure according to claim 1, it is characterised in that: the mold insert is the endless metal lattice of hollow out
Net, including square hole filter, circular hole filter, diamond shape filter.
3. the jointing structure of plastic tube according to claim 1 and connecting tube, it is characterised in that: the inner sleeve
(2.2) inner wall is additionally provided with support core pipe (2.3).
4. a kind of pipe connecting structure according to claim 3, it is characterised in that: the support core pipe (2.3) is brass tube
Part.
5. a kind of pipe connecting structure according to claim 1, it is characterised in that: the annular gap deep is to plastic tube
(3) inserting end constitutes limit.
6. a kind of pipe connecting structure according to claim 1, it is characterised in that: in the axial direction, the inner sleeve
(2.2) the relatively described outer tube (2.1) is inwardly indented.
7. a kind of pipe connecting structure according to claim 1, it is characterised in that: the plastic tube (3) is tubular body
It is embedded with the steel skeleton pipe of tubulose grid steelframe.
8. a kind of pipe connecting structure according to claim 1, it is characterised in that: the plastic tube (3) is tubular body
It is embedded with the steel wire network pipe for the tubulose Elements of Space Grid Truss being interwoven by steel wire of internal layer and cover wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584608.6A CN110296293A (en) | 2019-07-01 | 2019-07-01 | A kind of pipe connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584608.6A CN110296293A (en) | 2019-07-01 | 2019-07-01 | A kind of pipe connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110296293A true CN110296293A (en) | 2019-10-01 |
Family
ID=68029783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910584608.6A Pending CN110296293A (en) | 2019-07-01 | 2019-07-01 | A kind of pipe connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110296293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215988A (en) * | 2021-11-09 | 2022-03-22 | 浙江新大塑料管件有限公司 | Elbow type steel-plastic conversion pipe fitting joint assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498385A (en) * | 2008-01-30 | 2009-08-05 | 甘国工 | Metal framework reinforced plastic composite pipes and method for manufacturing the same |
| CN202546053U (en) * | 2012-04-20 | 2012-11-21 | 杨蒙 | Fastening type connecting pipe fitting of electro-magnetic induction welded steel-plastic complex pipe |
| CN203686401U (en) * | 2013-11-06 | 2014-07-02 | 北京豪特耐管道设备有限公司 | Novel heat-insulating pipe connector |
| CN208431500U (en) * | 2018-07-16 | 2019-01-25 | 江苏星河集团有限公司 | A kind of electric heating melting pressure resistance bellows component |
| CN210510566U (en) * | 2019-07-01 | 2020-05-12 | 江苏云皓塑料管件有限公司 | Pipe connection structure |
-
2019
- 2019-07-01 CN CN201910584608.6A patent/CN110296293A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498385A (en) * | 2008-01-30 | 2009-08-05 | 甘国工 | Metal framework reinforced plastic composite pipes and method for manufacturing the same |
| CN202546053U (en) * | 2012-04-20 | 2012-11-21 | 杨蒙 | Fastening type connecting pipe fitting of electro-magnetic induction welded steel-plastic complex pipe |
| CN203686401U (en) * | 2013-11-06 | 2014-07-02 | 北京豪特耐管道设备有限公司 | Novel heat-insulating pipe connector |
| CN208431500U (en) * | 2018-07-16 | 2019-01-25 | 江苏星河集团有限公司 | A kind of electric heating melting pressure resistance bellows component |
| CN210510566U (en) * | 2019-07-01 | 2020-05-12 | 江苏云皓塑料管件有限公司 | Pipe connection structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215988A (en) * | 2021-11-09 | 2022-03-22 | 浙江新大塑料管件有限公司 | Elbow type steel-plastic conversion pipe fitting joint assembly |
| CN114215988B (en) * | 2021-11-09 | 2023-11-28 | 浙江新大塑料管件有限公司 | Bent pipe type steel-plastic conversion pipe fitting joint assembly |
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