CN203703473U - Plastic tube provided with plastic steel composite reinforcing threaded insert - Google Patents
Plastic tube provided with plastic steel composite reinforcing threaded insert Download PDFInfo
- Publication number
- CN203703473U CN203703473U CN201420033554.7U CN201420033554U CN203703473U CN 203703473 U CN203703473 U CN 203703473U CN 201420033554 U CN201420033554 U CN 201420033554U CN 203703473 U CN203703473 U CN 203703473U
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- inner screw
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Abstract
The utility model belongs to the technical field of plastic tubes, and particularly relates to a plastic tube provided with a plastic steel composite reinforcing threaded insert. The plastic tube comprises an inner threaded sleeve or an outer threaded sleeve, and a plastic outer wrapping reinforcing sleeve is formed outside the inner threaded sleeve to form a composite reinforcing inner threaded insert; or a plastic inner wrapping reinforcing sleeve is formed in the outer threaded sleeve to form a composite reinforcing outer threaded insert, and a tube connection portion is formed on one side of the inner threaded insert or the outer threaded insert in an injection molding mode to form the plastic tube. The plastic tube is long in service life, environmentally friendly, safe, reliable, and capable of lowering production cost.
Description
Technical field:
The utility model belongs to plastic pipe technical field, refers in particular to a kind of plastic pipe with the composite enhanced threaded insert of plastic-steel.
Background technique:
Between plastic tube network, there is different Placements, in order to adapt to the connection occasion of different purposes, different size, distinct interface, a large amount of thread connecting modes of being convenient to mounting or dismounting replacing and maintenance and inspection that adopt.At present, threaded plastic pipe is in order to reach intensity, precision, sealing and the life-span of thread, not that straight forming goes out to mould tooth connecting thread on plastic pipe, but working strength, precision, sealing and the life-span copper material higher than plastics is processed into the inserts with thread, manufacture threaded plastic pipe by insert injection molding form, to meet supporting the use that plastic tube network is threaded.This employing copper material is processed into inserts and need passes through from copper material to forging stock again to machining finally to the manufacture process of electroplating.Its deficiency is:
1, forging stock process (being commonly called as red punching) energy consumption is high, and operating environment temperature is high, labor strength is large, and every single-piece is produced continuously, efficiency is low.
2, machining copper material, can produce cutting dust granules, and human body is had to certain harm, and every single-piece is produced continuously, efficiency is low.
3, the plastic tube network field that water supply both at home and abroad, air feed, heat supply, chemical industry etc. bear pressure and high temperature at present, the overwhelming majority adopts polyolefin (PP(PP-H, PP-B), PP-R, PE (HDPE, PE-RT, PE-X), PB etc.) material manufacture, use in a large number copper inserts pipe fitting.But copper ion is the catalyzer that polyolefin thermally degradable polymer oxidation reaction can be carried out in room temperature, must, through electroplating processes, make to there is separation layer between copper ion and polyolefin macromolecule, to stop its accelerated degradation aging.But electroplating technology energy consumption is high, environmental pollution is serious.
4, linear expansion coefficient, the thermal conductivity of copper material inserts and pipe fitting joint macromolecular material differ greatly, due to variation of ambient temperature reason, the original coated interface of fitting closely there will be lax and gap, cause the fluid leakage in pipeline with pressure and high temperature, although by increasing sealing configuration and Sealing, still there is hidden danger dangerous and that the life-span is short, increased the cost that maintenance is changed simultaneously.
5, adopt copper material as inserts, its ratio of strength to weight is little, and high material consumption does not economize on resources, and cost of material and sorting cost recovery are high.
Summary of the invention:
The purpose of this utility model be to provide a kind of safe and reliable, the life-span is longer, saving is artificial, the plastic pipe of what efficiency was high the have composite enhanced threaded insert of plastic-steel.
The utility model is achieved in that
There is the plastic pipe of the composite enhanced threaded insert of plastic-steel, include inner screw sheath or external thread sleeve, form plastics outer cladding outward at inner screw sheath and strengthen the composite enhanced inner screw thread insert of cover formation; Or in external thread sleeve, forming the coated composite enhanced external screw thread insert of cover formation that strengthens in plastics, a side molding and forming of described inner screw thread insert or external screw thread insert has pipe fitting joint to form plastic pipe.
One end of above-mentioned inner screw sheath is provided with screw thread, be respectively arranged with outward extending flanging at two ends port, flanging embeds plastics outer cladding to be strengthened in cover, one end of described external thread sleeve is provided with screw thread, at two ends, port is respectively arranged with in-flanges, and in-flanges embeds coated enhancing in cover in plastics.
Part between screw thread and the other end of above-mentioned external thread sleeve is circumferentially provided with rotation prevention structure, and rotation prevention structure is projection or groove, and the outer surface of described inner screw sheath is provided with rotation prevention structure.
Above-mentioned rotation prevention structure is: the concavo-convex bar shaped or the prismatic shallow slot structure that circumferentially arrange.
Above-mentioned external screw thread insert is reaming away from the endoporus of one end of screw thread, on the external thread sleeve of external screw thread insert, forms pipe fitting joint away from one end of screw thread and reaming place of interior coated enhancing cover.
Above-mentioned pipe fitting joint is three-way pipe or straight tube or bend pipe; Or be provided with extension tube in the outer end of straight tube or bend pipe, at the another two logical extension tubes that are respectively arranged with of three-way pipe.
The outer surface of above-mentioned inner screw thread insert is provided with anti-rotation groove or anti-rotation projection, forms pipe fitting joint outward at inner screw thread insert.
Above-mentioned pipe fitting joint is three-way pipe or straight tube or bend pipe; Or be provided with extension tube in the outer end of straight tube or bend pipe, at the another two logical extension tubes that are respectively arranged with of three-way pipe.
Above-mentioned inner screw sheath is stainless steel inner screw sheath or aluminium inner screw sheath; Described external thread sleeve is stainless steel external thread sleeve or aluminium external thread sleeve.
The advantage that the utility model is given prominence to is compared to existing technology:
1, the utility model inserts helical thread portion adopts stainless steel, and chromium ion wherein exactly can stop polyolefin macromolecule degraded aging, and its weatherability, corrosion resistance are good, make TPO pipe fitting safe and reliable, the life-span is longer;
2, the utility model adopts stainless steel thin-wall pipe profile as thread bush blank, and directly take the mode of punching press and roll extrusion cold forming, can manufacture respectively dissimilar and interior and external thread sleeve specification, wherein external thread sleeve has circumferential tongue and groove structure, inner screw sheath appearance is worn concavo-convex straight shape or prismatic shallow slot structure, bear the ability of rotating force with reinforced embedded member, while preventing threaded together, occur the skidding between inserts and pipe fitting joint embedding part.External thread sleeve two-port has introvert, and inner screw sheath has flaring structure, has further increased the strength and stiffness of thread bush.Intensity is high and lightweight, has both saved metallic material, has again enough bearing capacitys; Without cutting, stock utilization is high, easily realizes continuous high speed in enormous quantities and produces, and production automation degree is high; Product size error is little, and the connection quality of fit of screw thread is high, good airproof performance;
3, the utility model and thread bush and pipe fitting joint anastomosis part utilize the coated enhancing technology of plastic material, make the indeformable not rotten button of thread of thread bush, and inner screw thread insert is designed the circumferential tongue and groove structure of bearing threaded together rotating force, further strengthen bulk strength and the ring stiffness of screw thread and pipe fitting joint, can significantly improve the ability that pipe network system adapts to high pressure and high temperature occasion;
4, the utility model complex technique is taked the forming method of insert injection moulding, pack in the compound threaded insert injection mould of plastic-steel by the stainless steel thread bush of cold forming, through injection moulding, form the composite enhanced threaded insert of integrated plastic-steel, again composite enhanced integrated plastic-steel threaded insert is packed in plastic pipe joint injection mould, through double injection molding, form the plastic pipe of the overall different purposes with the function of being threaded, different size, distinct interface.As male element, internal thread tube piece, and the threaded plastic pipe that manufactures of application the technology of the present invention system, the boundary dimension that can dwindle pipe fitting joint, has further saved plastic raw material, reduced manufacture cost;
5, the utility model is in process of injection molding, inserts is at mould inner high voltage, under high temperature and curing effect, plastics macromolecule in composite strengthening, form to dissolve each other with pipe fitting joint plastics macromolecule and engage, connection is each other to carry out in the mode of chemical bond, this Placement not only join strength is high, and both linear expansion coefficients, thermal conductivity is very approaching, make the auxiliary equipment being threaded in plastic tube network, not with variation of ambient temperature and service time length impact there is lax and intermittency, do not need Sealing just to possess better sealability, safe and reliable, life-span is long,
6, the utility model, according to specification size, utilizes the composite enhanced threaded insert of Multi-Cavity Injection Molds tool moulding plastic-steel, and a molding cycle can be produced several to tens part finished products, energy consumption is low, simple to operate, saves artificial, efficiency is high, easily meets the wilderness demand that its pipe network is threaded.The cost of material is low, and stock utilization is high, and sorting is reclaimed and reproduced easily, can save a large amount of copper material resources;
7, the composite enhanced threaded insert of the utility model plastic-steel, technical have outstanding feature with significant progressive, is to substitute at present the generally advanced product of the copper inserts of use.The applications being threaded at plastic tube network is extremely extensive.
Accompanying drawing explanation:
Fig. 1 is the plan view of external thread sleeve of the present utility model;
Fig. 2 is the left view of external thread sleeve of the present utility model;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the sectional view of external screw thread insert of the present utility model;
Fig. 5 is the left view of external screw thread insert of the present utility model;
Fig. 6 is the plan view of external screw thread insert of the present utility model;
Fig. 7 is the B-B sectional view of Fig. 6;
Fig. 8 is the sectional view of male element of the present utility model, and wherein pipe fitting joint is straight tube;
Fig. 9 is the left view of male element of the present utility model, and wherein pipe fitting joint is straight tube;
Figure 10 is the plan view of male element of the present utility model, and wherein pipe fitting joint is straight tube;
Figure 11 is the C-C sectional view of Figure 10;
Figure 12 is the sectional view that forms extension tube in male element of the present utility model, and wherein pipe fitting joint is straight tube;
Figure 13 is the plan view that forms extension tube in male element of the present utility model;
Figure 14 is the sectional view of male element of the present utility model, and wherein pipe fitting joint is bend pipe;
Figure 15 is the left view of male element of the present utility model, and wherein pipe fitting joint is bend pipe;
Figure 16 is the plan view of male element of the present utility model, and wherein pipe fitting joint is bend pipe;
Figure 17 is the plan view that forms extension tube in male element of the present utility model, and wherein pipe fitting joint is bend pipe;
Figure 18 is the sectional view that forms extension tube in male element of the present utility model, and wherein pipe fitting joint is bend pipe;
Figure 19 is the plan view that forms extension tube in male element of the present utility model, and wherein pipe fitting joint is bend pipe;
Figure 20 is the sectional view of inner screw sheath of the present utility model;
Figure 21 is the left view of inner screw sheath of the present utility model;
Figure 22 is the plan view of inner screw sheath of the present utility model;
Figure 23 is the sectional view of inner screw thread insert of the present utility model;
Figure 24 is the left view of inner screw thread insert of the present utility model;
Figure 25 is the plan view of inner screw thread insert of the present utility model;
Figure 26 is the D-D sectional view of Figure 25;
Figure 27 is the sectional view of internal thread tube piece of the present utility model, and wherein pipe fitting joint is straight tube;
Figure 28 is the left view of internal thread tube piece of the present utility model, and wherein pipe fitting joint is straight tube;
Figure 29 is the plan view of internal thread tube piece of the present utility model, and wherein pipe fitting joint is straight tube;
Figure 30 is the E-E sectional view of Figure 29;
Figure 31 is the sectional view that forms extension tube on internal thread tube piece of the present utility model, and wherein pipe fitting joint is straight tube;
Figure 32 is the plan view that forms extension tube on internal thread tube piece of the present utility model, and wherein pipe fitting joint is straight tube;
Figure 33 is the sectional view of internal thread tube piece of the present utility model, and wherein pipe fitting joint is three-way pipe;
Figure 34 is the left view of internal thread tube piece of the present utility model, and wherein pipe fitting joint is three-way pipe;
Figure 35 is the plan view of internal thread tube piece of the present utility model, and wherein pipe fitting joint is three-way pipe;
Figure 36 is the sectional view that the two ends of the pipe fitting joint of the present utility model internal thread tube piece that is three-way pipe form extension tube;
Figure 37 is the plan view that the two ends of the pipe fitting joint of the present utility model internal thread tube piece that is three-way pipe form extension tube;
Figure 38 is the sectional view that internal thread tube piece of the present utility model and male element are spirally connected, and wherein the pipe fitting joint of male element is bend pipe;
Figure 39 is the plan view that internal thread tube piece of the present utility model and male element are spirally connected, and wherein the pipe fitting joint of male element is bend pipe;
Figure 40 is the sectional view that internal thread tube piece of the present utility model and male element are spirally connected, and wherein the pipe fitting joint of male element is straight tube;
Figure 41 is the plan view that internal thread tube piece of the present utility model and male element are spirally connected, and wherein the pipe fitting joint of male element is straight tube.
Embodiment:
With specific embodiment, the utility model is further described below, referring to Fig. 1-41:
There is the plastic pipe of the composite enhanced threaded insert of plastic-steel, include inner screw sheath 2 or external thread sleeve 1, outside inner screw sheath 2, form plastics outer cladding and strengthen the composite enhanced inner screw thread insert 3 of cover 5 formation; Or in external thread sleeve 1, forming the coated composite enhanced external screw thread insert 4 of cover 6 formation that strengthens in plastics, a side molding and forming of described inner screw thread insert 3 or external screw thread insert 4 has pipe fitting joint to form plastic pipe.
One end of above-mentioned inner screw sheath 2 is provided with screw thread 7, be respectively arranged with outward extending flanging 8 at two ends port, flanging 8 embeds plastics outer cladding to be strengthened in cover 5, one end of described external thread sleeve 1 is provided with screw thread 9, be respectively arranged with in-flanges 10 at two ends port, in-flanges 10 embeds coated enhancing in cover 6 in plastics.Flanging 8 has further increased the strength and stiffness of inner screw sheath, and in-flanges 10 has further increased the strength and stiffness of external thread sleeve.
Part between screw thread 9 and the other end of above-mentioned external thread sleeve 1 is circumferentially provided with rotation prevention structure 11, and rotation prevention structure 11 is projection or groove, and the outer surface of described inner screw sheath 2 is provided with rotation prevention structure 12.Bear the ability of rotating force with reinforced embedded member, while preventing threaded together, occur the skidding between inserts and pipe fitting joint embedding part, further strengthened bulk strength and ring stiffness, can significantly improve the ability that pipe network system adapts to high pressure and high temperature occasion.
Above-mentioned rotation prevention structure 12 is: the concavo-convex bar shaped or the prismatic shallow slot structure that circumferentially arrange.
Above-mentioned external screw thread insert 4 is reaming 13 away from the endoporus of one end of screw thread 9, on the external thread sleeve 1 of external screw thread insert 4, forms pipe fitting joint formation male element away from one end of screw thread 9 and reaming place of interior coated enhancing cover 6.
Above-mentioned pipe fitting joint is three-way pipe or straight tube 14 or bend pipe 15; Or be provided with extension tube 16 in the outer end of straight tube 14 or bend pipe 15, at the another two logical extension tubes that are respectively arranged with of three-way pipe.Here another two logical refer to that to be provided with two outside external screw thread insert 4 logical.
The outer surface of above-mentioned inner screw thread insert 3 is provided with anti-rotation groove 17 or anti-rotation projection, forms internal thread tube piece at the outer pipe fitting joint that forms of inner screw thread insert 3.
Above-mentioned pipe fitting joint is three-way pipe 18 or straight tube 19 or bend pipe; Or be provided with extension tube 20 in the outer end of straight tube 19 or bend pipe, at the another two logical extension tubes 20 that are respectively arranged with of three-way pipe 18.Here another two logical refer to that to be provided with two outside inner screw thread insert 3 logical.
Above-mentioned inner screw sheath 2 is stainless steel inner screw sheath or aluminium inner screw sheath; Described external thread sleeve 1 is stainless steel external thread sleeve or aluminium external thread sleeve.Stainless steel, chromium ion wherein exactly can stop polyolefin macromolecule degraded aging, its weatherability, corrosion resistance are good, make TPO pipe fitting safe and reliable, the life-span is longer.
In injection molding process, inserts is at mould inner high voltage, under high temperature and curing effect, plastics macromolecule in composite strengthening, form to dissolve each other with pipe fitting joint plastics macromolecule and engage, connection is each other to carry out in the mode of chemical bond, this Placement not only join strength is high, and both linear expansion coefficients, thermal conductivity is very approaching, make the auxiliary equipment being threaded in plastic tube network, not with variation of ambient temperature and service time length impact there is lax and intermittency, do not need Sealing just to possess better sealability, safe and reliable, life-span is long.
The internal thread tube piece that the utility model is made and the helical thread portion of male element can be spirally connected mutually.
Above-described embodiment is only one of preferred embodiment of the present utility model; not limit practical range of the present utility model with this; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, within all should being covered by protection domain of the present utility model.
Claims (9)
1. the plastic pipe with the composite enhanced threaded insert of plastic-steel, is characterized in that: include inner screw sheath or external thread sleeve, form plastics outer cladding outward strengthen the composite enhanced inner screw thread insert of cover formation at inner screw sheath; Or in external thread sleeve, forming the coated composite enhanced external screw thread insert of cover formation that strengthens in plastics, a side molding and forming of described inner screw thread insert or external screw thread insert has pipe fitting joint to form plastic pipe.
2. the plastic pipe with the composite enhanced threaded insert of plastic-steel according to claim 1, it is characterized in that: one end of described inner screw sheath is provided with screw thread, be respectively arranged with outward extending flanging at two ends port, flanging embeds plastics outer cladding to be strengthened in cover, one end of described external thread sleeve is provided with screw thread, at two ends, port is respectively arranged with in-flanges, and in-flanges embeds coated enhancing in cover in plastics.
3. the plastic pipe with the composite enhanced threaded insert of plastic-steel according to claim 2, it is characterized in that: the part between screw thread and the other end of described external thread sleeve is circumferentially provided with rotation prevention structure, rotation prevention structure is projection or groove, and the outer surface of described inner screw sheath is provided with rotation prevention structure.
4. the plastic pipe with the composite enhanced threaded insert of plastic-steel according to claim 3, is characterized in that: described rotation prevention structure is: the concavo-convex bar shaped or the prismatic shallow slot structure that circumferentially arrange.
5. the plastic pipe with the composite enhanced threaded insert of plastic-steel according to claim 1, it is characterized in that: described external screw thread insert is reaming away from the endoporus of one end of screw thread, on the external thread sleeve of external screw thread insert, form pipe fitting joint away from one end of screw thread and reaming place of interior coated enhancing cover.
6. the plastic pipe with the composite enhanced threaded insert of plastic-steel according to claim 5, is characterized in that: described pipe fitting joint is three-way pipe or straight tube or bend pipe; Or be provided with extension tube in the outer end of straight tube or bend pipe, at the another two logical extension tubes that are respectively arranged with of three-way pipe.
7. the plastic pipe with the composite enhanced threaded insert of plastic-steel according to claim 1, is characterized in that: the outer surface of described inner screw thread insert is provided with anti-rotation groove or anti-rotation projection, forms pipe fitting joint outward at inner screw thread insert.
8. the plastic pipe with the composite enhanced threaded insert of plastic-steel according to claim 7, is characterized in that: described pipe fitting joint is three-way pipe or straight tube or bend pipe; Or be provided with extension tube in the outer end of straight tube or bend pipe, at the another two logical extension tubes that are respectively arranged with of three-way pipe.
9. the plastic pipe with the composite enhanced threaded insert of plastic-steel according to claim 1, is characterized in that: described inner screw sheath is stainless steel inner screw sheath or aluminium inner screw sheath; Described external thread sleeve is stainless steel external thread sleeve or aluminium external thread sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033554.7U CN203703473U (en) | 2014-01-20 | 2014-01-20 | Plastic tube provided with plastic steel composite reinforcing threaded insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033554.7U CN203703473U (en) | 2014-01-20 | 2014-01-20 | Plastic tube provided with plastic steel composite reinforcing threaded insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703473U true CN203703473U (en) | 2014-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033554.7U Withdrawn - After Issue CN203703473U (en) | 2014-01-20 | 2014-01-20 | Plastic tube provided with plastic steel composite reinforcing threaded insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703473U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759091A (en) * | 2014-01-20 | 2014-04-30 | 徐胜 | Plastic fitting with plastic-steel composite reinforced thread insert and production process of plastic fitting |
| CN104617420A (en) * | 2014-11-05 | 2015-05-13 | 深圳市格瑞普电池有限公司 | Copper tube plug, turn buckle socket and combined plug |
| CN104948336A (en) * | 2015-05-14 | 2015-09-30 | 东风(十堰)林泓汽车配套件有限公司 | Leakage-proof type engine cylinder head water outlet cover and manufacturing process thereof |
| CN106218384A (en) * | 2016-08-11 | 2016-12-14 | 安徽中鼎减震橡胶技术有限公司 | A kind of mixed electrical automobile motor assembly is plastic suspended and processing method |
| CN107940124A (en) * | 2017-12-25 | 2018-04-20 | 武汉恒毅科技发展有限公司 | A kind of plastic-steel composite three-way pipe fitting and preparation method thereof |
-
2014
- 2014-01-20 CN CN201420033554.7U patent/CN203703473U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759091A (en) * | 2014-01-20 | 2014-04-30 | 徐胜 | Plastic fitting with plastic-steel composite reinforced thread insert and production process of plastic fitting |
| CN103759091B (en) * | 2014-01-20 | 2016-03-02 | 徐胜 | There is plastic pipe and the production technology thereof of the composite enhanced threaded insert of plastic-steel |
| CN104617420A (en) * | 2014-11-05 | 2015-05-13 | 深圳市格瑞普电池有限公司 | Copper tube plug, turn buckle socket and combined plug |
| CN104948336A (en) * | 2015-05-14 | 2015-09-30 | 东风(十堰)林泓汽车配套件有限公司 | Leakage-proof type engine cylinder head water outlet cover and manufacturing process thereof |
| CN106218384A (en) * | 2016-08-11 | 2016-12-14 | 安徽中鼎减震橡胶技术有限公司 | A kind of mixed electrical automobile motor assembly is plastic suspended and processing method |
| CN107940124A (en) * | 2017-12-25 | 2018-04-20 | 武汉恒毅科技发展有限公司 | A kind of plastic-steel composite three-way pipe fitting and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |