CN220980669U - Plastic pipe fitting using engineering plastic insert - Google Patents
Plastic pipe fitting using engineering plastic insert Download PDFInfo
- Publication number
- CN220980669U CN220980669U CN202322610542.8U CN202322610542U CN220980669U CN 220980669 U CN220980669 U CN 220980669U CN 202322610542 U CN202322610542 U CN 202322610542U CN 220980669 U CN220980669 U CN 220980669U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- insert
- engineering plastic
- connecting groove
- pipe
- 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.)
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Links
- 229920006351 engineering plastic Polymers 0.000 title claims abstract description 53
- 229920003023 plastic Polymers 0.000 title claims abstract description 22
- 239000004033 plastic Substances 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 8
- 229920001643 poly(ether ketone) Polymers 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000004801 Chlorinated PVC Substances 0.000 claims description 5
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 7
- 239000004952 Polyamide Substances 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001652 poly(etherketoneketone) Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The application discloses a plastic pipe fitting adopting an engineering plastic insert, which comprises a pipe fitting main body and an engineering plastic insert, wherein the engineering plastic insert comprises a first connecting part, an insert convex ring provided with a first connecting groove and a second connecting part; the second connecting part comprises an insert pipe wall, a plurality of inner convex rings and outer convex rings, a second connecting groove is formed between the adjacent inner convex rings, and a third connecting groove is formed between the outer convex rings; the pipe fitting body is injection molding, and the pipe fitting body comprises a pipe fitting inner layer and a pipe fitting outer layer which are embedded with the pipe wall of the insert. The utility model has the following advantages: 1. the engineering plastic has low price, and the engineering plastic inserts reduce the production cost of the product; 2. after the pipe fitting main body is connected with the engineering plastic insert, the pipe fitting main body is provided with a part embedded into the first connecting groove, the second connecting groove and the third connecting groove, and the structure improves the connecting strength and the sealing performance of the first connecting groove, the second connecting groove and the third connecting groove.
Description
Technical Field
The utility model relates to the field of pipe joints or pipe fittings, in particular to a plastic pipe fitting adopting an engineering plastic insert.
Background
The plastic has the advantages of low manufacturing cost, durability, water resistance, light weight, easy molding into different shapes and the like, and at present, various pipe fittings such as water pipes and the like are usually made of plastic materials; in the prior art, a part of the pipe body, such as a fire hose, needs to be provided with a copper insert at the joint to connect the parts such as the spray head. However, the prior art has the following defects: 1. copper is expensive, copper inserts increase the production cost of the product, and copper inserts may contain heavy metals; 2. the connecting surface between the pipe fitting main body and the insert is small, and the connecting strength and the sealing performance of the pipe fitting main body and the insert are still insufficient.
Disclosure of utility model
The utility model aims to provide a plastic pipe fitting adopting an engineering plastic insert, which can reduce the production cost and improve the connection strength and sealing performance between a pipe fitting main body and the insert.
The technical scheme adopted by the utility model is as follows: the plastic pipe fitting comprises a pipe fitting body and an engineering plastic insert, wherein the engineering plastic insert comprises an insert body, a first connecting part and a second connecting part, the first connecting part is used for connecting components, the second connecting part is used for connecting the pipe fitting body, the first connecting part and the second connecting part are arranged on the insert body, and a first connecting groove is formed in one side, facing the second connecting part, of the insert body;
the second connecting part comprises an insert pipe wall, a plurality of inner convex rings and outer convex rings, wherein the inner convex rings and the outer convex rings are arranged on the insert pipe wall, a second connecting groove is formed between the adjacent inner convex rings, and a third connecting groove is formed between the adjacent outer convex rings;
The pipe fitting main body is injection molding, and comprises a pipe fitting main body, a pipe fitting inner layer embedded with the inner side of the pipe wall of the insert, and a pipe fitting outer layer embedded with the outer side of the pipe wall of the insert.
Compared with the prior art, the utility model has the beneficial effects that: 1. the engineering plastic inserts are adopted to replace copper inserts to connect other parts, and the engineering plastic inserts are adopted to reduce the production cost of products due to low price of engineering plastics, and in addition, the engineering plastic inserts do not contain heavy metals; 2. the pipe fitting body is injection molding, after the pipe fitting body and the engineering plastic insert are injection molded into a whole, the inner layer of the pipe fitting is embedded with the inner side of the pipe wall of the insert, the outer layer of the pipe fitting is embedded with the outer side of the pipe wall of the insert, and at the moment, the pipe fitting body is provided with a part embedded into the first connecting groove, the second connecting groove and the third connecting groove.
In a preferred embodiment of the present utility model, the pipe body is a CPVC pipe body.
The beneficial effects are that: in this scheme, the pipe fitting main part that adopts CPVC material thermal expansion coefficient is little, and when temperature change takes place, the expansion or the shrinkage change that the pipe fitting main part self volume took place is little to do benefit to and keep stability and sealing performance that is connected with engineering plastics inserts.
As a preferred embodiment of the utility model, the engineering plastic insert is made of nylon glass fiber or polyether ketone.
The beneficial effects are that: in the scheme, the nylon glass fiber (PA) has the characteristics of high mechanical strength, rigidity, heat resistance, creep resistance and fatigue resistance; the polyether ketone (PEEK) has the characteristics of good mechanical and chemical resistance and can be kept unchanged at high temperature, so that the nylon glass fiber (PA) or the polyether ketone (PEEK) is suitable for being used as a material of engineering plastic inserts.
In a preferred embodiment of the present utility model, sealing rings are provided in the first, second and third connecting grooves.
The beneficial effects are that: in this scheme, set up the sealing washer in first spread groove, second spread groove and third spread groove can further improve the sealing performance between pipe fitting main part and the engineering plastics inserts.
As a preferred embodiment of the utility model, the first connection part comprises an external or internal thread for connection with the component.
The beneficial effects are that: in this scheme, be connected with the part through external screw thread or internal screw thread, this connected mode simple structure, easy and simple to handle, the stability of connection is good.
Drawings
FIG. 1 is a schematic perspective view of an embodiment 1 of a plastic pipe fitting of the present utility model using an engineering plastic insert;
FIG. 2 is a schematic cross-sectional view of an embodiment 1 of a plastic pipe fitting of the present utility model using an engineering plastic insert;
FIG. 3 is a schematic perspective view of embodiment 2 of the plastic pipe fitting of the present utility model using engineering plastic inserts;
fig. 4 is a schematic cross-sectional view of embodiment 2 of the plastic pipe fitting of the present utility model using engineering plastic inserts.
Detailed Description
Exemplary embodiments that embody features and advantages of the present utility model will be set forth in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.
In the description of the present application, the terms "first," "second," "inner," "outer," "end," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the structures referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.
Example 1
Reference numerals in the drawings of the specification include: the engineering plastic insert 1, a first connecting part 101, an external thread 1011, a second connecting part 102, an insert pipe wall 1021, an inner convex ring 1022, an outer convex ring 1023, an insert body 103, a first connecting groove 1031, an internal thread 104, a pipe body 2, a pipe outer layer 201, a pipe inner layer 202 and a sealing ring 3.
The embodiment is substantially as shown in figures 1 and 2: the utility model provides an adopt engineering plastics inserts's plastics pipe fitting, includes pipe fitting main part 2 and engineering plastics inserts 1, and pipe fitting main part 2 adopts injection moulding, specifically should install engineering plastics inserts 1 in injection mold when production, then injection molding machine is with plastics injection mold makes pipe fitting main part 2 shaping to make pipe fitting main part 2 and engineering plastics inserts 1 injection molding integrated into one piece. In addition, the pipe fitting main body 2 is made of CPVC, and the pipe fitting main body 2 made of CPVC has a small thermal expansion coefficient, and when the temperature changes, the expansion or contraction change of the volume of the pipe fitting main body 2 is small, which is beneficial to maintaining the stability and sealing performance of the connection with the engineering plastic insert 1.
In this embodiment, the engineering plastic insert 1 is an engineering plastic insert 1 made of polyetherketone, and Polyetherketone (PEEK) has the characteristics of good mechanical and chemical resistance and being able to be kept unchanged at high temperature, and is suitable as a material of the engineering plastic insert 1, in other embodiments, nylon glass fiber (PA) may be used as a material of the engineering plastic insert 1, and nylon glass fiber (PA) has the characteristics of high mechanical strength, rigidity, heat resistance, creep resistance and fatigue resistance, and in addition, other engineering plastics with high strength, such as Polyamide (PA) and PPS plastic materials, may also be used as a material of the engineering plastic insert 1.
As shown in fig. 1 and 2, the engineering plastic insert 1 includes an insert body 103, a first connection portion 101 for connecting a spray head or other components, and a second connection portion 102 for connecting a pipe body 2, the cross sections of the first connection portion 101 and the second connection portion 102 are all annular, and the first connection portion 101 and the second connection portion 102 are all disposed on the insert body 103, in this embodiment, the first connection portion 101 is a tubular protrusion on the insert body 103, and external threads 1011 for connecting with the components are disposed on the tubular protrusion. Further, the insert body 103 is provided with a first connection groove 1031 at a side facing the second connection portion 102, the second connection portion 102 includes an insert pipe wall 1021, and a plurality of inner convex rings 1022 and outer convex rings 1023 disposed on the insert pipe wall 1021, a second connection groove is formed between adjacent inner convex rings 1022, a third connection groove is formed between adjacent outer convex rings 1023, in this embodiment, a sealing ring 3 is disposed in one of the second connection grooves 1031 and one of the third connection grooves 1032, and the sealing ring 3 can further improve the sealing performance between the pipe body 2 and the engineering plastic insert 1.
In this embodiment, the pipe body 2 includes a pipe body 1, a pipe inner layer 202 embedded with the inner side of the pipe wall 1021, and a pipe outer layer 201 embedded with the outer side of the pipe wall 1021, wherein the pipe inner layer 202 and the pipe outer layer 201 each have annular protrusions embedded in the first, second and third connecting grooves 1031, and the inner diameter of the tubular protrusion is smaller than the inner diameter of the pipe wall 1021, and the inner diameter of the pipe inner layer 202 is larger than or equal to the inner diameter of the tubular protrusion. The larger inner diameter of the insert tube wall 1021 is beneficial to arranging the inner tube layer 202, thereby improving the connection strength and sealing performance of the tube main body 2 and the engineering plastic insert 1.
Detailed description of the preferred embodiments
When the plastic pipe fitting adopting the engineering plastic insert is produced, the engineering plastic insert 1 is formed by an independent injection molding mode. After the engineering plastic insert 1 is formed, the engineering plastic insert 1 is installed in an injection mold for producing the pipe fitting main body 2, the pipe fitting main body 2 can be formed by injecting plastic into the injection mold by an injection molding machine, the pipe fitting main body 2 and the engineering plastic insert 1 are molded integrally, at this time, the pipe fitting inner layer 202 of the pipe fitting main body 2 is embedded with the inner side of the insert pipe wall 1021, the pipe fitting outer layer 201 is embedded with the outer side of the insert pipe wall 1021, and the pipe fitting inner layer 202 and the pipe fitting outer layer 201 are provided with annular protrusions embedded in the first connecting groove 1031, the second connecting groove and the third connecting groove.
Example 2
As shown in fig. 3 and 4, this embodiment is different from embodiment 1 in that: the insert body 103 has a greater thickness and the first connection part is part of the insert body 103, which is provided with an internal thread 104, and the engineering plastic insert 1 is connected to the component by means of the internal thread 104.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (5)
1. A plastic pipe fitting employing an engineering plastic insert, characterized in that: the engineering plastic insert comprises an insert body, a first connecting part and a second connecting part, wherein the first connecting part is used for connecting a part, the second connecting part is used for connecting the pipe body, the first connecting part and the second connecting part are arranged on the insert body, and a first connecting groove is formed in one side, facing the second connecting part, of the insert body;
the second connecting part comprises an insert pipe wall, a plurality of inner convex rings and outer convex rings, wherein the inner convex rings and the outer convex rings are arranged on the insert pipe wall, a second connecting groove is formed between the adjacent inner convex rings, and a third connecting groove is formed between the adjacent outer convex rings;
The pipe fitting main body is injection molding, and comprises a pipe fitting main body, a pipe fitting inner layer embedded with the inner side of the pipe wall of the insert, and a pipe fitting outer layer embedded with the outer side of the pipe wall of the insert.
2. The plastic pipe fitting employing an engineering plastic insert according to claim 1, wherein: the pipe fitting main body is made of CPVC material.
3. The plastic pipe fitting employing an engineering plastic insert according to claim 1, wherein: the engineering plastic insert is made of nylon glass fiber or polyether ketone.
4. The plastic pipe fitting employing an engineering plastic insert according to claim 1, wherein: and sealing rings are arranged in the first connecting groove, the second connecting groove and the third connecting groove.
5. The plastic pipe fitting employing an engineering plastic insert according to claim 1, wherein: the first connection portion includes external or internal threads for connection with a component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322610542.8U CN220980669U (en) | 2023-09-26 | 2023-09-26 | Plastic pipe fitting using engineering plastic insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322610542.8U CN220980669U (en) | 2023-09-26 | 2023-09-26 | Plastic pipe fitting using engineering plastic insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980669U true CN220980669U (en) | 2024-05-17 |
Family
ID=91061293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322610542.8U Active CN220980669U (en) | 2023-09-26 | 2023-09-26 | Plastic pipe fitting using engineering plastic insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980669U (en) |
-
2023
- 2023-09-26 CN CN202322610542.8U patent/CN220980669U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |