CN202546053U - Fastening type connecting pipe fitting of electro-magnetic induction welded steel-plastic complex pipe - Google Patents
Fastening type connecting pipe fitting of electro-magnetic induction welded steel-plastic complex pipe Download PDFInfo
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- CN202546053U CN202546053U CN2012201730807U CN201220173080U CN202546053U CN 202546053 U CN202546053 U CN 202546053U CN 2012201730807 U CN2012201730807 U CN 2012201730807U CN 201220173080 U CN201220173080 U CN 201220173080U CN 202546053 U CN202546053 U CN 202546053U
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Abstract
The utility model discloses a fastening type connecting pipe fitting of an electro-magnetic induction welded steel-plastic complex pipe. The pipe fitting comprises a complex pipe, a waterproof fastening component and a pipe-shaped plastic connecting piece, wherein the complex pipe comprises a non-permeability or weak-permeability metal layer and a plastic layer; at least one end of the pipe-shaped plastic connecting piece is provided with a circular supporting opening adaptively plugged with the end part of the complex pipe, a high permeability metal ring is pre-buried in the side wall of the circular supporting opening, and the waterproof fastening component is sleeved on the connecting position of the complex pipe and the pipe-shaped plastic connecting piece. The non-permeability or weak-permeability metal layer is used by the complex pipe of the pipe fitting, the medium and high frequency electromagnetic induction is not responded or is weakly responded, and the possibility of electro-magnetic induction welding connection of the complex pipe of which the enhancement layer is made of non-permeability or weak-permeability metal is provided by pre-burying a small section of high-permeability metal ring in the connecting piece; and at the same time, the inner side and outer side of the pipe wall of the complex pipe are welded with the circular supporting opening simultaneously, and the fastness and the tightness of the connection are greatly improved.
Description
Technical field
The utility model relates to the composite steel-plastic pipe fitting field, particularly a kind of electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting.
Background technique
In the existing technology; Plastic-metal composite pipe for adopting the thermoplastic extrusion moulding installing of pipe fitting, generally adopts mechanical connection and hot melt Placement; In the hot melt Placement; Have a kind of mode to adopt the medium-high frequency induction heating technique of technology maturation, the composite pipe that promptly will contain high magnetic conduction magnetic metal layer earlier inserts the socket end of thermoplastic link, and makes the high magnetic conductive metal layer of composite pipe generate heat through the electromagnetic induction generating means; Thereby fusing is realized the tight weld with pipe fitting by the plastics of induction region.Obviously, if the metal in the composite pipe has been selected 304 stainless steels or aluminium and aluminum alloy for use, it has the characteristics of weak magnetic, does not generally respond or low-response for the induction of medium-high frequency, can't reach desirable welding effect.
The model utility content
The utility model is in order to overcome defective in the above-mentioned existing technology, a kind of saving cost to be provided, be connected firmly, and anti-stress is strong, good airproof performance, and installation efficiency is high, the preparatory electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting that Applicable scope is extensive.
For achieving the above object, according to the utility model a kind of preparatory socket joint induction heating welding plastics fastening type pipe fitting is provided, comprising: composite pipe, waterproof fastener assembly and tubular plastic link, composite pipe comprises: not magnetic conduction or weak magnetic conductive metal layer and plastic layer; The two ends of tubular plastic link offer the ring-type birdsmouth with the adaptive grafting in composite pipe end respectively, and the sidewall of ring-type birdsmouth is pre-buried to be provided with high magnetic conductive metal ring, and the waterproof fastener assembly is sleeved on the joint of composite pipe and tubular plastic link.
In the technique scheme, being arranged as of the not magnetic conduction of composite pipe or weak magnetic conductive metal layer and plastic layer: magnetic conduction or weak magnetic conductive metal layer are for outer, and plastic layer is an internal layer; Perhaps magnetic conduction or weak magnetic conductive metal layer are not internal layer, and plastic layer is outer; Perhaps not magnetic conduction or weak magnetic conductive metal layer between the two layers of plastic layer.
In the technique scheme, the waterproof fastener assembly comprises: waterproof fastening nut, fastening auxiliary, assisted plastic ring and water proof rubber circle; The waterproof fastening nut comprises: with the adaptive straight tube end that is spirally connected of tubular plastic link, and with the conical section of the adaptive grafting of composite pipe; Fastening auxiliary is and the taper of the adaptive suit of conical section inwall that sidewall offers the axially extended breach that compresses relatively; The outside of water proof rubber circle is taper; During assembling, the waterproof fastening nut is screwed on the link, with the direction extruding of fastening auxiliary, assisted plastic ring, water proof rubber circle to link, thereby with the joint of sealed composite pipe and link.
In the technique scheme, also be not provided with bonding PUR between magnetic conduction or weak magnetic conductive metal layer and the plastic layer.
In the technique scheme, magnetic conduction or weak magnetic conductive metal layer are not 304 stainless steels, aluminum or aluminum alloy.
In the technique scheme, high magnetic conductive metal ring comprises: big high magnetic conductive metal ring and little high magnetic conductive metal ring, the pre-buried outer wall inboard that is arranged on the ring-type birdsmouth of big high magnetic conductive metal ring, the pre-buried inner wall that is arranged on the ring-type birdsmouth of little high magnetic conductive metal ring.
In the technique scheme, the material of high magnetic conductive metal ring is a ferrous material.
In the technique scheme, ferrous material is iron hoop, helical iron wire or the steel wire welded mesh with holes of punching.
Compared with prior art; The utlity model has following beneficial effect: the composite pipe of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model is owing to adopt not magnetic conduction or weak magnetic conductive metal layer; Adopt electromagnetic inductive welding technology convenient and swift and that reliability is high that great difficulty is arranged; So outer wall inboard and inner wall at pipe fitting are provided with a ferrous material responsive to Magnetic Induction respectively, can use the electromagnetic induction technology to carry out hot melt easily and connect; Simultaneously, outside while and the welding of ring-type birdsmouth in the tube wall of composite pipe, the soundness and the sealing that connect have been improved greatly; In addition, the anti-stress of this composite pipe fitting is strong, and good airproof performance is easy to use, and is applied widely, and is special in the less composite pipe of internal diameter, and it is fastening especially firmly, sealing is especially good, anti-stress is especially strong.
Description of drawings
Fig. 1 is the three-dimensional decomposition texture schematic representation of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model;
Fig. 2 is the sectional structure schematic representation of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model;
Fig. 3 is the sectional structure schematic representation of waterproof fastening nut of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model;
Fig. 4 is the sectional structure schematic representation of fastening auxiliary of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model;
Fig. 5 is the sectional structure schematic representation of water proof rubber circle of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model;
Fig. 6, Fig. 7 and Fig. 8 are the cross-sectional schematic of three kinds of structures of composite pipe of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model;
Fig. 9 is the assembly structure schematic representation of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model;
Figure 10 is the A portion structure for amplifying schematic representation of Fig. 9;
Figure 11 is the sectional structure schematic representation that composite pipe is handled in the enlarging of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model;
In conjunction with the accompanying drawing following reference character of mark above that:
1-composite pipe, 11-be magnetic conduction or weak magnetic conductive metal layer not, 12-plastic layer, 13-flared tube; The 2-link, 21-thermoplastic body, the big high magnetic conductive metal ring of 22-, the little high magnetic conductive metal ring of 23-; 24-ring-type birdsmouth, 31-waterproof fastening nut, the straight tube end of 311-, 312-conical section; The fastening auxiliary of 32-, 321-compresses breach, 33-assisted plastic ring, 34-water proof rubber circle.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the utility model is described in detail, but the protection domain that is to be understood that the utility model does not receive the restriction of embodiment.
As shown in Figure 1, the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model comprises: composite pipe 1, link 2 and waterproof fastener assembly.Composite pipe 1 comprises: not magnetic conduction or weak magnetic conductive metal layer 11 and plastic layer 12, magnetic conduction or weak magnetic conductive metal layer 11 are not 304 stainless steels, aluminum or aluminum alloy.Wherein, magnetic conduction or weak magnetic conductive metal layer 11 are not outer, and plastic layer 12 is internal layer (as shown in Figure 6); Perhaps magnetic conduction or weak magnetic conductive metal layer 11 are not internal layer, and plastic layer 12 is outer (as shown in Figure 7); Also not magnetic conduction or weak magnetic conductive metal layer 11 (as shown in Figure 8) between two layers of plastic layer 12.The relative position flexible arrangement of magnetic conduction or weak magnetic conductive metal layer 11 and plastic layer 12 not is not limited to not magnetic conduction or weak magnetic conductive metal layer 11 and is positioned at skin, and the material of composite pipe 1 adopts not magnetic conduction or weak magnetic conductive metal such as 304 stainless steels, aluminum or aluminum alloy.
As shown in Figure 2, link 2 comprises: thermoplastic body 21, big high magnetic conductive metal ring 22 and little high magnetic conductive metal ring 23.Wherein, thermoplastic body 21 is a tubulose, and right ends is respectively arranged with fastening outside thread; And offer axially extended ring-type birdsmouth 24 respectively; Ring-type birdsmouth 24 outer wall ends are inboard to be the taper enlarging, and composite pipe 1 and these ring-type birdsmouth 24 adaptive grafting make the two tube chamber be communicated with.The material of big high magnetic conductive metal ring 22 and little high magnetic conductive metal ring 23 is band magnetic metal, the big high magnetic conductive metal ring 22 pre-buried outer wall inboards that are arranged on this ring-type birdsmouth 24, the little high magnetic conductive metal ring 23 pre-buried inner wall that are arranged on this ring-type birdsmouth 24.Its high magnetic conductive metal material that ring is selected for use is a ferrous material, and is generally iron hoop, helical iron wire or the steel wire welded mesh with holes of punching
The waterproof fastener assembly comprises: waterproof fastening nut 31, fastening auxiliary 32, assisted plastic ring 33 and water proof rubber circle 34.Wherein, as shown in Figure 3, the material of waterproof fastening nut 31 is plastics or metal, and concrete structure comprises: with the adaptive straight tube end 311 that is spirally connected in thermoplastic body 21 ends, and with the conical section 312 of composite pipe 1 adaptive grafting.As shown in Figure 4, fastening auxiliary 32 is and the taper of the adaptive suit of conical section 312 inwalls, and sidewall offers the axially extended breach 321 that compresses relatively, and material is plastics or rubber.As shown in Figure 5, the outside of water proof rubber circle 34 is and the adaptive taper of the inboard taper enlarging in ring-type birdsmouth 24 outer wall ends.
As shown in Figure 9; The electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of present embodiment in use; Earlier waterproof fastening nut 31, fastening auxiliary 32, assisted plastic ring 33 and water proof rubber circle 34 plug-in mounting are successively gone into the mouth of pipe of composite pipe 1; Mouth of pipe plug-in mounting with composite pipe 1 advances ring-type birdsmouth 24 again, makes composite pipe 1 between big high magnetic conductive metal ring 22 and little high magnetic conductive metal ring 23, at this moment with electromagnetic inductor probe be arranged on connecting end ring-type birdsmouth 24 near; During medium-high frequency electromagnetic induction welding machine energising work; Encircle the big high magnetic conductive metal ring 22 that the medium-high frequency electromagnetic oscillations wave energy that produces at the electromagnetic inductor of pipe fitting outer wall enough makes link 2 and the tube wall of little high magnetic conductive metal ring 23 controlled heat fused links 2, composite pipe 1 is fixed on the link 2 firmly, be sealedly connected.Shown in figure 10, owing to ring-type birdsmouth 24 weldings of outside while in the tube wall of composite pipe 1, improved the soundness and the sealing that connect greatly with link 2.
Be further fixed connection; The direction of waterproof fastening nut 31 to link 2 compressed; Waterproof fastening nut 31 is screwed on the link 2; With fastening auxiliary 32, assisted plastic ring 33, water proof rubber circle 34 tightly to the direction extruding of link 2, thereby composite pipe 1 and link 2 is firmly fixing, to reach the secondary anti-seepage effect.
When adopting two composite pipes to connect; The composite pipe 1 of an other end also is connected with link 2 according to step recited above; Encircle at the pipe fitting outer wall with the energising of medium-high frequency electromagnetic induction welding machine and with its induction end equally; The high-frequency electromagnetic oscillating wave that produces through the electromagnetic induction generating means makes itself and link 2 mutual weldings, like this, through link 2 two composite pipes is communicated with.
Shown in figure 11; For the less composite pipe 1 of caliber, the flared tube 13 that goes out to be suitable for connecting after can adopting enlarging to handle is no matter the shape of composite pipe how; As long as the ring-type birdsmouth 24 of opening part and link 2 is suitable, just can adopt the application's link that it is communicated with.
The composite pipe of the electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting of the utility model is owing to adopt not magnetic conduction or weak magnetic conductive metal layer; And the high magnetic conductive metal ring of pre-buried segment in link only makes this composite pipe adopt the pipe material by adopting electromagnetic induction heating fusing mode of high efficiency and high reliability to become possibility; Simultaneously, outside while and the welding of ring-type birdsmouth in the tube wall of composite pipe, the soundness and the sealing that connect have been improved greatly; In addition, the anti-stress of this composite pipe fitting is strong, and good airproof performance is easy to use, and is applied widely, and is special in the less composite pipe of internal diameter, and it is fastening especially firmly, sealing is especially good, anti-stress is especially strong.
More than the disclosed several specific embodiments that are merely the utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into the protection domain of the utility model.
Claims (8)
1. an electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting is characterized in that, comprising: composite pipe, waterproof fastener assembly and tubular plastic link, and said composite pipe comprises: not magnetic conduction or weak magnetic conductive metal layer and plastic layer; At least one end of said tubular plastic link offers the ring-type birdsmouth with the adaptive grafting in said composite pipe end; The sidewall of said ring-type birdsmouth is pre-buried to be provided with high magnetic conductive metal ring, and said waterproof fastener assembly is sleeved on the joint of said composite pipe and tubular plastic link.
2. electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting according to claim 1; It is characterized in that; Being arranged as of the not magnetic conduction of said composite pipe or weak magnetic conductive metal layer and plastic layer: magnetic conduction or weak magnetic conductive metal layer be not for outer, and plastic layer is an internal layer; Perhaps magnetic conduction or weak magnetic conductive metal layer are not internal layer, and plastic layer is outer; Perhaps not magnetic conduction or weak magnetic conductive metal layer between the two layers of plastic layer.
3. electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting according to claim 1 is characterized in that, also is provided with bonding PUR between said not magnetic conduction or weak magnetic conductive metal layer and the plastic layer.
4. electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting according to claim 1 is characterized in that said waterproof fastener assembly comprises: waterproof fastening nut, fastening auxiliary, assisted plastic ring and water proof rubber circle; Said waterproof fastening nut comprises: with the adaptive straight tube end that is spirally connected of tubular plastic link, and with the conical section of the adaptive grafting of composite pipe; Said fastening auxiliary is and the taper of the adaptive suit of said conical section inwall that sidewall offers the axially extended breach that compresses relatively; The outside of said water proof rubber circle is taper; During assembling, said waterproof fastening nut is screwed on the link, with the direction extruding to said link of fastening auxiliary, assisted plastic ring, water proof rubber circle, thereby will seal the joint of said composite pipe and link.
5. electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting according to claim 1 is characterized in that said not magnetic conduction or weak magnetic conductive metal layer are 304 stainless steels, aluminum or aluminum alloy.
6. according to each described electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting in the claim 1 to 5; It is characterized in that; Said high magnetic conductive metal ring comprises: big high magnetic conductive metal ring and little high magnetic conductive metal ring; The pre-buried outer wall inboard that is arranged on said ring-type birdsmouth of said big high magnetic conductive metal ring, the pre-buried inner wall that is arranged on said ring-type birdsmouth of said little high magnetic conductive metal ring.
7. electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting according to claim 1 is characterized in that the material of said high magnetic conductive metal ring is a ferrous material.
8. electromagnetic inductive welding steel-plastic composite pipe fastening-type connection pipe fitting according to claim 7 is characterized in that, said ferrous material is iron hoop, helical iron wire or the steel wire welded mesh with holes of punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201730807U CN202546053U (en) | 2012-04-20 | 2012-04-20 | Fastening type connecting pipe fitting of electro-magnetic induction welded steel-plastic complex pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201730807U CN202546053U (en) | 2012-04-20 | 2012-04-20 | Fastening type connecting pipe fitting of electro-magnetic induction welded steel-plastic complex pipe |
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| Publication Number | Publication Date |
|---|---|
| CN202546053U true CN202546053U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201730807U Expired - Fee Related CN202546053U (en) | 2012-04-20 | 2012-04-20 | Fastening type connecting pipe fitting of electro-magnetic induction welded steel-plastic complex pipe |
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| Country | Link |
|---|---|
| CN (1) | CN202546053U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351660A (en) * | 2015-11-02 | 2016-02-24 | 天津军星管业集团有限公司 | Plastic pipeline connecting piece with heating rings and manufacturing method of plastic pipeline connecting piece |
| CN106402524A (en) * | 2016-11-30 | 2017-02-15 | 罗贤想 | Connecting piece for steel-plastic composite pipes |
| CN110296293A (en) * | 2019-07-01 | 2019-10-01 | 江苏云皓塑料管件有限公司 | A kind of pipe connecting structure |
| CN110307429A (en) * | 2019-07-01 | 2019-10-08 | 江苏云皓塑料管件有限公司 | A kind of pipe connecting structure |
-
2012
- 2012-04-20 CN CN2012201730807U patent/CN202546053U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351660A (en) * | 2015-11-02 | 2016-02-24 | 天津军星管业集团有限公司 | Plastic pipeline connecting piece with heating rings and manufacturing method of plastic pipeline connecting piece |
| CN105351660B (en) * | 2015-11-02 | 2017-07-07 | 天津军星管业集团有限公司 | A kind of style plastic pipe connector for being provided with heating ring and preparation method thereof |
| CN106402524A (en) * | 2016-11-30 | 2017-02-15 | 罗贤想 | Connecting piece for steel-plastic composite pipes |
| CN110296293A (en) * | 2019-07-01 | 2019-10-01 | 江苏云皓塑料管件有限公司 | A kind of pipe connecting structure |
| CN110307429A (en) * | 2019-07-01 | 2019-10-08 | 江苏云皓塑料管件有限公司 | A kind of pipe connecting structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20180420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |