CN201386864Y - Plastic pipe fitting with internal and external threads - Google Patents
Plastic pipe fitting with internal and external threads Download PDFInfo
- Publication number
- CN201386864Y CN201386864Y CN200920080421U CN200920080421U CN201386864Y CN 201386864 Y CN201386864 Y CN 201386864Y CN 200920080421 U CN200920080421 U CN 200920080421U CN 200920080421 U CN200920080421 U CN 200920080421U CN 201386864 Y CN201386864 Y CN 201386864Y
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- China
- Prior art keywords
- plastic pipe
- pipe fitting
- thread inserts
- plastic
- internal thread
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a plastic pipe fitting, in particular to a plastic pipe fitting with internal and external threads. The pipe fitting is provided with a first plastic pipe fitting unit, a second plastic pipe fitting unit, an internal thread insert and an external thread insert, wherein the internal thread insert is sheathed inside the first plastic pipe fitting unit in a coaxial way and positioned at one end of the first plastic pipe fitting unit; the external thread insert is sheathed inside the second plastic pipe fitting unit in a coaxial way and positioned at one end of the second plastic pipe fitting unit; and the internal thread insert and the external thread insert are matched with each other. The plastic pipe fitting is characterized in that the internal thread insert is a plastic internal thread insert, and the external thread insert is a plastic external thread insert. The plastic pipe fitting can be more simply manufactured, has lower price and longer service life, and can replace metal materials to make the inserts, thus setting up a platform for the application of high-strength plastic composite materials.
Description
Technical field
The utility model relates to a kind of plastic pipe, especially a kind of plastic pipe with internal and external threads.
Background technique
Existing plastic pipe has the first plastic pipe unit, the second plastic pipe unit, internal thread inserts and outside thread inserts, described internal thread inserts is coaxial to be nested with in the first pipe fitting unit and to be positioned at the first pipe fitting unit, one end, described outside thread inserts is coaxial to be nested with in the second pipe fitting unit and to be positioned at the second pipe fitting unit, one end, described internal thread inserts and outside thread inserts cooperatively interact, described internal thread inserts and outside thread inserts are metal insert, being widely used in water system screwed pipe joint or water meter is threaded or the like, its advantage is convenient and fast connection, need not the special welding equipment.But, the processing of existing metal insert will be carried out complicated step, as cutting, polishing treatment and boring etc., and the scrap metal in the production and processing can't recycle utilization immediately, make that the cost of production of metal insert is high, the corresponding cost of production of manufacturing enterprise that makes can't reduce.And the raw material of metal insert is selected also comparatively strict, especially be applied to the metal insert raw material in the drinking water supply system, when the content of beary metal in the chemical composition of copper insert is too high, will work the mischief to drinking water supply system, promptly usually said is poisonous.To be strict with metal purity because of its manufacturing, cause the employed metallic material price of metal insert higher.Metals resources day by day scarcity and metal price expensive gradually now, the especially rise of copper price, also when the river rises the boat goes up to make its alloy price, the brass price increased more than 2 times than 2004, was inevitable burden to manufacturing enterprise.The metal price rise is corresponding to bring minimizing, the prolongation of time of delivery of metal supply and makes the higher price of back product, has had a strong impact on the production and the Time To Market of product, and the follow-up plan of manufacturing enterprise is produced immeasurable influence.Along with progress of science and technology, existing plastic materials can be near hardness, mechanical strength and the rupture strength of common non-ferrous metal (copper, cast iron, aluminum or aluminum alloy).Therefore, be badly in need of providing a kind of make simple, price is lower and the plastic pipe of band internal and external threads that can alternative metals material inserts.
The model utility content
The purpose of this utility model provide a kind of make simple, price is lower and the plastic pipe of band internal and external threads that can alternative metals material inserts.
The plastic pipe of band internal and external threads of the present utility model, have the first plastic pipe unit, the second plastic pipe unit, internal thread inserts and outside thread inserts, described internal thread inserts is coaxial to be nested with in the first pipe fitting unit and to be positioned at the first pipe fitting unit, one end, described outside thread inserts is coaxial to be nested with in the second pipe fitting unit and to be positioned at the second pipe fitting unit, one end, described internal thread inserts and outside thread inserts cooperatively interact, it is characterized in that described internal thread inserts is a plastics internal thread inserts, described outside thread inserts is a plastics outside thread inserts.
The first plastic pipe unit described in the utility model and the second plastic pipe unit all adopt plastic materials that existing product uses to make, as polypropylene (PP), PVC (PVC), polyphenylene sulfide (PPS) or propylene green grass or young crops-butadiene-styrene copolymer compound (ABS) or the like.Internal thread inserts of plastics described in the utility model and plastics outside thread inserts all are to adopt existing commercially available reinforced plastic material to make, the GV-5H section bar material of producing as PPS plastic materials, PA66 glass fiber reinforced materials, Switzerland EMS company and HTV-5H1 section bar material or the like.Wherein existing commercially available 40% glass strengthens the dimensional stability that the PPS material can significantly improve parts, has good heat-resistance and resistance to chemical corrosion, even under harsh condition, this plastic materials can guarantee that still product keeps stable performance; In addition, existing commercially available 60% glass fiber reinforced materials PA66 (polyamide-6,6) has very high cost performance, its mechanical strength can compare favourably with metallic aluminium, rupture strength is near 220Mpa, and is similar to metal or alloy, but also has good resistance to chemical corrosion, toughness and impact strength.Internal thread inserts of plastics described in the utility model and plastics outside thread inserts all can adopt same material to make, can certainly allow one of them adopt a kind of plastic materials to make according to actual use condition, and wherein another adopt other plastic materialss to make.When the internal thread inserts of plastics described in the utility model and plastics outside thread inserts all adopt same material to make, described plastics internal thread inserts just can be the PPS plastics internal thread inserts that is made by the injection moulding of PPS plastic materials, and described plastics outside thread inserts also just can be the PPS plastics outside thread inserts that is made by the injection moulding of PPS plastic materials.Certainly, described plastics internal thread inserts can also be for by PA6, the PA6 that the injection moulding of PA66 plastic materials is made, PA66 plastics internal thread inserts, described plastics outside thread inserts also just can also be for by PA6, the PA6 that the injection moulding of PA66 plastic materials is made, PA66 plastics outside thread inserts.
Plastics inserts described in the utility model can be with having injection machine shot moulding now, can finish the moulding of final product a step, the process injection machine is injected the plastic pipe unit formation once more and is nested with outside the plastics inserts then, substantially do not have waste material to produce in the whole process of production, and then reduced cost of production.And the plastics inserts need not to carry out polishing treatment and can carry out next step Shooting Technique flow process, and the corresponding production process that reduced has also alleviated the influence that the waste disposal expense is used product simultaneously.In addition, compare existing metal insert, because plastics inserts and plastic pipe unit material character are basic identical, conjugation between it is high, and then further strengthened structure stability and mechanical strength, and make plastic product more durable, prolonged the working life of product.Secondly, plastic materials comprises plastic composite, existing plastic composite has belonged to ripe chemical materials, it is quite high that plastic materials is produced the purity in back own, and toxicity is divided quite strict, have only nontoxic plastic materials to use on the pipe part of drinking water supply system, the so-called raising purity that requires could be used when not making pipe part as metallic material.Therefore, the plastic pipe of the utility model band internal and external threads adopts and belongs to safe, pollution-free, long service life and inexpensive plastic materials production, lay a good foundation for product can substitute expensive, and use for highstrenghtpiston's composite material and to have built platform.
The first plastic pipe unit described in the utility model and the second plastic pipe unit all can be made as the threeway of existing pipe fitting, directly or elbow or the like shape, certainly under the prerequisite of using that cooperatively interacts, also can allow the described first plastic pipe unit and the second plastic pipe unit one of them for threeway or directly or elbow, and both another is different with its shape.Diameter, size and volume of the first plastic pipe unit and the second plastic pipe unit or the like also can adjust accordingly with customer demand described in the utility model, promptly are not fixed as to be a kind of shape, diameter or size etc.
The plastic pipe molding product of the utility model band internal and external threads is similar to existing product, has the perforation runner equally in the first plastic pipe unit and internal thread inserts, and the second plastic pipe unit and outside thread inserts also have the perforation runner.
Compared with the aforementioned existing similar products, the plastic pipe of the utility model band internal and external threads is made more simply, price is lower and the life-span is longer, and energy alternative metals material inserts, uses for highstrenghtpiston's composite material and has built platform.
Content of the present utility model further illustrates with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.
Description of drawings
Fig. 1 is the structural representation of the plastic pipe of band internal and external threads among the embodiment 1.
Fig. 2 is the structural representation of the plastic pipe of band internal and external threads among the embodiment 2.
Fig. 3 is the structural representation of the plastic pipe of band internal and external threads among the embodiment 3.
Embodiment
Embodiment 1: as shown in Figure 1, the plastic pipe of the band internal and external threads in the present embodiment has the first plastic pipe unit 1, the second plastic pipe unit 2, internal thread inserts and outside thread inserts, described internal thread inserts is coaxial to be nested with in the first pipe fitting unit 1 and to be positioned at the first pipe fitting unit, one end, described outside thread inserts is coaxial to be nested with in the second pipe fitting unit 2 and to be positioned at the second pipe fitting unit, one end, described internal thread inserts and outside thread inserts cooperatively interact, it is characterized in that described internal thread inserts is a plastics internal thread inserts 3, described outside thread inserts is a plastics outside thread inserts 4.
The PPS plastics internal thread inserts of the internal thread of plastics described in present embodiment inserts 3 for being made by the injection moulding of PPS plastic materials, the PPS plastics outside thread inserts of described plastics outside thread inserts 4 for being made by the injection moulding of PPS plastic materials.
The plastic pipe molding product of present embodiment band internal and external threads is similar to existing product, in the first plastic pipe unit 1 and plastics internal thread inserts 3, have equally and connect runner 5, and the second plastic pipe unit 2 and plastics outside thread inserts 4 also have the runner 5 of perforation.
The first plastic pipe unit 1 described in the present embodiment and the second plastic pipe unit 2 are direct shape.
Embodiment 2: as shown in Figure 2, present embodiment is similar to embodiment 1, different is the PA66 plastics internal thread inserts of the internal thread of plastics described in present embodiment inserts 3 for being made by the injection moulding of PA66 plastic materials, the PA66 plastics outside thread inserts of described plastics outside thread inserts 4 for being made by the injection moulding of PA66 plastic materials.
The first plastic pipe unit 1 described in the present embodiment and the second plastic pipe unit 2 are the elbow shape.
Embodiment 3: as shown in Figure 3, present embodiment is similar to embodiment 1, different is the GV-5H plastics internal thread inserts of the internal thread of plastics described in present embodiment inserts 3 for being made by the injection moulding of GV-5H plastic materials, the GV-5H plastics outside thread inserts of described plastics outside thread inserts 4 for being made by the injection moulding of GV-5H plastic materials.
The first plastic pipe unit 1 described in the present embodiment and the second plastic pipe unit 2 are three-way shape.
Claims (2)
1, a kind of plastic pipe with internal and external threads, have the first plastic pipe unit, the second plastic pipe unit, internal thread inserts and outside thread inserts, described internal thread inserts is coaxial to be nested with in the first pipe fitting unit and to be positioned at the first pipe fitting unit, one end, described outside thread inserts is coaxial to be nested with in the second pipe fitting unit and to be positioned at the second pipe fitting unit, one end, described internal thread inserts and outside thread inserts cooperatively interact, it is characterized in that described internal thread inserts is a plastics internal thread inserts, described outside thread inserts is a plastics outside thread inserts.
2, the plastic pipe of band internal and external threads as claimed in claim 1, it is characterized in that the PPS plastics internal thread inserts of described plastics internal thread inserts, the PPS plastics outside thread inserts of described plastics outside thread inserts for being made by the injection moulding of PPS plastic materials for being made by the injection moulding of PPS plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920080421U CN201386864Y (en) | 2009-04-27 | 2009-04-27 | Plastic pipe fitting with internal and external threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920080421U CN201386864Y (en) | 2009-04-27 | 2009-04-27 | Plastic pipe fitting with internal and external threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201386864Y true CN201386864Y (en) | 2010-01-20 |
Family
ID=41579398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920080421U Expired - Fee Related CN201386864Y (en) | 2009-04-27 | 2009-04-27 | Plastic pipe fitting with internal and external threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201386864Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019060432A (en) * | 2017-09-27 | 2019-04-18 | 積水化学工業株式会社 | Instrument mount member and instrument mounting method |
-
2009
- 2009-04-27 CN CN200920080421U patent/CN201386864Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019060432A (en) * | 2017-09-27 | 2019-04-18 | 積水化学工業株式会社 | Instrument mount member and instrument mounting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20120427 |