CN220706633U - Pressure-resistant PVC pipe - Google Patents
Pressure-resistant PVC pipe Download PDFInfo
- Publication number
- CN220706633U CN220706633U CN202322253411.9U CN202322253411U CN220706633U CN 220706633 U CN220706633 U CN 220706633U CN 202322253411 U CN202322253411 U CN 202322253411U CN 220706633 U CN220706633 U CN 220706633U
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- Prior art keywords
- pressure
- resistant
- sheet
- layer
- pvc pipe
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- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 65
- 229920000915 polyvinyl chloride Polymers 0.000 description 65
- 239000004800 polyvinyl chloride Substances 0.000 description 65
- 239000000047 product Substances 0.000 description 13
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 9
- 239000004033 plastic Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000010425 asbestos Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to the technical field of PVC pipes, in particular to a pressure-resistant PVC pipe, which comprises a pipe body, wherein the pipe body comprises a pressure-resistant layer, the pressure-resistant layer comprises a pressure-resistant sheet body, the section of the pressure-resistant sheet body is in arc arrangement, the positive and negative of the bending curvature of the pressure-resistant sheet body and the positive and negative of the bending curvature of the pipe body are opposite, a plurality of groups of pressure-resistant sheet bodies are arranged on the outer side of the outer annular wall of the pipe body in a surrounding manner to form a ring sheet assembly, and a plurality of groups of ring sheet assemblies are sequentially arranged along the axial direction of the pipe body.
Description
Technical Field
The utility model relates to the technical field of PVC pipes, in particular to a pressure-resistant PVC pipe.
Background
PVC pipe is a tubular material made of polyvinyl chloride resin, PVC is a common synthetic plastic, and is widely applied to electric wire pipelines, tap water pipelines, drainage pipelines and the like because of being easy to process and mold in the manufacturing process and relatively low cost;
when the PVC pipe is used, certain pressure can be born, if the pressure value is larger than the pressure-resistant upper limit value of the pipe, the pipe is broken, so that the PVC pipe needs to have certain pressure-resistant performance in application to better resist the influence of external pressure, the PVC pipe can be continuously and normally used, the pressure-resistant PVC pipe in the prior art is single in structure type and poor in pressure-resistant performance, the pressure-resistant PVC pipe which can be selected by a user is few in structure type, and the requirements of the user are difficult to meet;
therefore, innovations are required for pressure-resistant structures of PVC pipes to meet the needs of users.
Disclosure of Invention
The utility model aims to provide a pressure-resistant PVC pipe designed for solving at least one technical problem in the background technology.
In order to achieve the above purpose, the present utility model adopts the following scheme: the utility model provides a withstand voltage formula PVC tubular product, includes the pipe body, the pipe body includes the withstand voltage layer, the withstand voltage layer includes the withstand voltage lamellar body, the horizontal cross-section of withstand voltage lamellar body is the arc setting, the protruding end orientation of withstand voltage lamellar body the axis setting of pipe body, multiunit the withstand voltage lamellar body is encircled and is located the outside of the outer rampart of pipe body forms the ring piece subassembly, multiunit ring piece subassembly is followed the axis direction of pipe body sets gradually.
The pressure-resistant layer comprises a connecting sheet, the shape of the connecting sheet is a strip, and the connecting sheet is connected with the ring sheet assembly and the ring sheet assembly.
The pressure-resistant layer comprises a supporting body, the ring sheet assemblies are embedded in the supporting body, and the ring sheet assemblies are connected with the supporting body and the supporting body.
The pressure-resistant sheet body is provided with a through hole, and the through hole penetrates through the side wall of the pressure-resistant sheet body inwards.
Wherein the side wall of the pressure-resistant sheet body is directly connected with the side wall of the pressure-resistant sheet body to form the ring sheet assembly.
Wherein, the pressure-resistant sheet body of multiunit is passed through the connection piece interval and is linked together and form the ring piece subassembly.
The pipe body comprises a first waterproof layer, and the outer side wall of the first waterproof layer is connected with the inner side wall of the pressure-resistant layer.
The pipe body comprises a drying layer, and the inner side wall of the drying layer is connected with the outer side wall of the pressure-resistant layer.
The pipe body comprises a second waterproof layer, and the inner side wall of the second waterproof layer is connected with the outer side wall of the drying layer.
Wherein, the pressure-resistant sheet body is provided with one or more groups of through holes, and when the groups are arranged, the through holes are uniformly arranged on the side wall of the pressure-resistant sheet body.
When the outer side of the PVC pipe is subjected to the action of pressure, the arc-shaped compression-resistant sheet body provides compression resistance opposite to the direction of the pressure, the compression resistance of the ring sheet assembly to the pressure is gradually increased along with the increment of the pressure, and the annular structure integrally formed by the ring sheet assembly is gradually increased to resist deformation, so that the received pressure is resisted, and the deformation of the PVC pipe is reduced; the pressure-resistant sheet body provides the main pressure resistance of the deformation resistance for the local pressure of the PVC pipe, and the annular sheet component provides the main pressure resistance for the integral deformation of the PVC pipe.
Meanwhile, a structure opposite to the curvature of the pressure-resistant sheet body is formed between the pressure-resistant sheet body of the ring sheet assembly and the inner side wall of the pressure-resistant sheet body, when the inner side of the PVC pipe is pressed, the structure between the pressure-resistant sheet body and the pressure-resistant sheet body provides pressure resistance, the annular structure integrally formed by the ring sheet assembly provides pressure resistance along with the increase of the inner side pressure, the structure between the pressure-resistant sheet bodies provides main pressure resistance for the local pressure of the PVC pipe, and the deformation resistance of the ring sheet assembly provides main pressure resistance for the pressure received by the PVC pipe.
Through the arrangement, when the inner side of the PVC pipe is stressed, the ring piece assembly can play a role in resisting the inner side pressure of the PVC pipe, when the outer side of the PVC pipe is stressed, the arc-shaped structure of the pressure-resistant sheet body or the arc-shaped structure of the ring piece assembly can resist the pressure applied to the outer side of the PVC pipe, so that the ring piece assembly formed by connecting a plurality of groups of pressure-resistant sheet bodies can simultaneously resist the pressure applied to the PVC pipe, the pressure-resistant and anti-cracking effect is achieved on the PVC pipe, the pressure resistance of the PVC pipe is improved, the service life of the PVC pipe is prolonged, the use safety of the PVC pipe is improved, the types of the pressure-resistant PVC pipe are enriched, the selectable product types of plastic pipe users are enriched, and the market competitiveness of plastic pipe enterprises is improved.
Drawings
FIG. 1 is a perspective view of embodiment 1 of the present utility model;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a schematic structural view of embodiment 1 of the present utility model;
FIG. 4 is an enlarged view of region B of FIG. 3;
fig. 5 is a perspective view of embodiment 2 of the present utility model;
FIG. 6 is an enlarged view of region C of FIG. 5;
FIG. 7 is a perspective view of a set of ring segments of embodiment 1 of the present utility model;
fig. 8 is a perspective view showing a tube cut-off state according to embodiment 1 of the present utility model.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so as to provide an intuitive and visual understanding of each technical feature and overall solution of the present utility model, but are not to be construed as limiting the scope of the present utility model.
In the description of the present utility model, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.
In the description of the present utility model, if "a number" is referred to, it means one or more, if "a number" is referred to, it means two or more, if "greater than", "less than", "exceeding" is referred to, it is to be understood that the number is not included, and if "above", "below", "within" is referred to, it is understood that the number is included. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Furthermore, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Examples: as shown in fig. 1-8, a pressure-resistant PVC pipe comprises a pipe body, the pipe body comprises a pressure-resistant layer 11, the pressure-resistant layer 11 comprises a pressure-resistant sheet 112, the horizontal section of the pressure-resistant sheet 112 is in an arc-shaped arrangement, the protruding end of the pressure-resistant sheet 112 faces the axis of the pipe body, a plurality of groups of pressure-resistant sheets 112 are annularly arranged on the outer side of the outer annular wall of the pipe body to form an annular sheet assembly 113, and a plurality of groups of annular sheet assemblies 113 are sequentially arranged along the axis direction of the pipe body.
When the outer side of the PVC pipe is subjected to the action of pressure, the arc-shaped compression-resistant sheet body provides compression resistance opposite to the direction of the pressure, the compression resistance is provided by the action force of the arc-shaped compression-resistant sheet body against deformation, the compression resistance of the ring-shaped sheet assembly against the pressure is gradually increased along with the increment of the pressure, and the annular structure integrally formed by the ring-shaped sheet assembly is gradually increased against the compression resistance of the deformation, so that the compression resistance is resisted, and the deformation of the PVC pipe is reduced; the pressure-resistant sheet body provides the main pressure resistance of the deformation resistance for the local pressure of the PVC pipe, and the annular sheet component provides the main pressure resistance for the integral deformation of the PVC pipe.
Meanwhile, a structure opposite to the curvature of the pressure-resistant sheet body is formed between the pressure-resistant sheet body of the ring sheet assembly and the inner side wall of the pressure-resistant sheet body, when the inner side of the PVC pipe is pressed, the structure between the pressure-resistant sheet body and the pressure-resistant sheet body provides pressure resistance, the annular structure integrally formed by the ring sheet assembly provides pressure resistance along with the increase of the inner side pressure, the structure between the pressure-resistant sheet bodies provides main pressure resistance for the local pressure of the PVC pipe, and the deformation resistance of the ring sheet assembly provides main pressure resistance for the pressure received by the PVC pipe.
Through the arrangement, when the inner side of the PVC pipe is stressed, the ring piece assembly can play a role in resisting the inner side pressure of the PVC pipe, when the outer side of the PVC pipe is stressed, the arc-shaped structure of the pressure-resistant sheet body or the arc-shaped structure of the ring piece assembly can resist the outer side of the PVC pipe, so that the pressure-resistant sheet body and the ring piece assembly can simultaneously resist the pressure applied to the PVC pipe, the pressure-resistant and anti-cracking effect is achieved on the PVC pipe, the pressure resistance of the PVC pipe is improved, the service life of the PVC pipe is prolonged, the use safety of the PVC pipe is improved, the types of the pressure-resistant PVC pipe are enriched, the selectable product types of plastic pipe users are enriched, and the market competitiveness of plastic pipe enterprises is improved.
The pressure-resistant layer 11 comprises a connecting sheet 114, the connecting sheet 114 is arranged in a strip shape, the connecting sheet 114 is connected with the ring sheet assembly 113 and the ring sheet assembly 113, a plurality of groups of ring sheet assemblies are connected through the connecting sheet, stability of relative positions among the ring sheet assemblies is improved, stability of positions of the ring sheet assemblies in the pressure-resistant layer is improved, accordingly stability of pressure resistance of the PVC pipe is improved, service life of the PVC pipe is prolonged, and use safety of the PVC pipe is further improved.
The pressure-resistant layer 11 comprises a supporting body 115, the ring sheet assemblies 113 are embedded in the supporting body 115, the ring sheet assemblies 113 are connected to the supporting body 115 and the supporting body 115, the supporting body is used for supporting and fixing the ring sheet assemblies, the ring sheet assemblies are embedded in the supporting body, stability of relative positions among the ring sheet assemblies is improved, stability of the ring sheet assemblies in the pressure-resistant layer is improved, and stability of the pressure-resistant layer in the PVC pipe is improved.
Wherein, the pressure-resistant sheet 112 is equipped with the through-hole 116, the through-hole 116 is followed pressure-resistant sheet 112's lateral wall runs through the setting inwards, at the production manufacturing process of PVC tubular product, when moulding plastics the ring piece subassembly, the through-hole is favorable to the discharge of bubble, reduce the production of bubble, the through-hole plays the effect that promotes abundant moulding plastics, improve the stability of withstand voltage layer, injection molding material also can fill in the through-hole simultaneously for the supporter and the supporter of pressure-resistant sheet both sides are connected through the injection molding material of through-hole, thereby further improve the position stability of ring piece subassembly in withstand voltage layer, improve the stability of PVC tubular product.
The side wall of the pressure-resistant sheet 112 is directly connected with the side wall of the pressure-resistant sheet 112 to form the ring sheet assembly 113, and the side wall of the pressure-resistant sheet is directly connected with the side wall of the pressure-resistant sheet, so that the stability of the connection between the pressure-resistant sheet and the pressure-resistant sheet is improved, the compressive strength of the ring sheet assembly is improved, the compressive strength of the pressure-resistant layer is improved, and the pressure resistance of the PVC pipe is further improved.
Wherein, the pressure-resistant sheet 112 is provided with one or more groups of through holes 116, when the groups are arranged, the groups of through holes 116 are uniformly arranged on the side wall of the pressure-resistant sheet 112, and by arranging the groups of through holes, the generation of bubbles during injection molding of the pressure-resistant layer is further reduced, the stability of the pressure-resistant layer is further improved, the supporting bodies on two sides of the pressure-resistant sheet are connected through the groups of through holes, and the position stability between the pressure-resistant sheet and the supporting bodies is improved.
Wherein the pressure sheet 112 is made of a material including steel.
Wherein, the pipe body includes first waterproof layer 117, the lateral wall of first waterproof layer 117 with the inside wall of withstand voltage layer 11 is connected, through connecting first waterproof layer in the inboard on withstand voltage layer, when the inboard of PVC tubular product wets, first waterproof layer plays the effect of dampproofing to withstand voltage layer, reduces the likelihood that withstand voltage lamellar body wets, improves withstand voltage layer's stability, improves the life of PVC tubular product.
Wherein, the pipe body includes the dry layer 118, the inside wall of dry layer 118 with the lateral wall of withstand voltage layer 11 is connected, and the dry layer can play fire-retardant effect to the pipeline, avoids exposing to the sun in the open air and influencing the quality of PVC tubular product, carries out thermal-insulated heat preservation to the pipeline inboard simultaneously, reduces the inboard temperature of pipeline, can play the absorption moisture and reach damp-proofing effect.
It should be further noted that the drying layer 118 is formed by compounding an asbestos screen layer and a synthetic resin emulsion, and at least two or more asbestos screen layers are immersed in the synthetic resin emulsion type dampproof and mildewproof paint to be compounded to form the drying layer, so that asbestos has high fire resistance, electrical insulation and heat insulation, can play a role in flame retardance and heat insulation for pipelines, and can play a role in absorbing moisture to achieve dampproof effect.
Wherein, the pipe body includes second waterproof layer 119, the inside wall of second waterproof layer 119 with the lateral wall of dry layer 118 is connected, connects the second waterproof layer in the outside of dry layer, and when the outside of PVC tubular product was wet, the second waterproof layer played waterproof effect, reduced the possibility that the water liquid oozes the withstand voltage layer, improved the stability of PVC tubular product, improved the life of PVC tubular product.
It should be further noted that the first waterproof layer 117 and the second waterproof layer 119 include an acrylic waterproof paint.
Wherein, the pipe body includes wear-resisting outer layer 120, wear-resisting outer layer 120's inside wall with the lateral wall of second waterproof layer 119 is connected, through at the outer wear-resisting outer layer of connecting of PVC tubular product, improves the outer wear resistance of PVC tubular product to promote the stability of withstand voltage layer.
The abrasion-resistant outer layer 120 includes a quartz sand rubber composite layer, and is formed by mixing 10-18% of quartz sand into abrasion-resistant rubber.
Wherein, an ethylene copolymer adhesive layer is arranged among the pressure-resistant layer 11, the first waterproof layer 117, the drying layer 118, the second waterproof layer 119 and the wear-resistant outer layer 120.
Example 2: the difference between this embodiment 2 and embodiment 1 is that, the plurality of sets of pressure-resistant sheets 112 are connected at intervals by the connecting sheets 114 to form the ring sheet assembly 113, and under the condition that the radius of the pressure-resistant layer is fixed, the plurality of sets of pressure-resistant sheets are connected by the connecting sheets, so that the number of pressure-resistant sheets in the pressure-resistant layer is reduced, and the manufacturing cost of the pressure-resistant layer is saved, thereby saving the manufacturing cost of PVC pipes, and further saving the cost of plastic pipe manufacturing enterprises and plastic pipe users.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a withstand voltage formula PVC tubular product, includes the pipe body, the pipe body includes withstand voltage layer, its characterized in that, withstand voltage layer includes the withstand voltage lamellar body, the horizontal cross-section of withstand voltage lamellar body is the arc setting, the protruding end of withstand voltage lamellar body orientation the axis setting of pipe body, multiunit the withstand voltage lamellar body is encircled and is located the outside of the outer rampart of pipe body forms the ring piece subassembly, multiunit the ring piece subassembly is followed the axis direction of pipe body sets gradually.
2. The pressure-resistant PVC pipe according to claim 1, wherein the pressure-resistant layer comprises a connecting sheet, the shape of the connecting sheet is a strip, and the connecting sheet is connected with the ring sheet assembly and the ring sheet assembly.
3. The pressure-resistant PVC pipe according to claim 1, wherein the pressure-resistant layer comprises a support body, the ring sheet assemblies are embedded in the support body, and the ring sheet assemblies are connected with the support body and the support body.
4. A pressure resistant PVC pipe according to claim 3, wherein the pressure resistant sheet is provided with through holes extending inwardly from the side walls of the sheet.
5. A pressure resistant PVC pipe as in claim 1, wherein the pressure resistant sheet body has a side wall directly connected to the side wall of the pressure resistant sheet body to form the ring assembly.
6. A pressure resistant PVC pipe according to claim 2, wherein a plurality of sets of the pressure resistant sheets are connected at intervals by the connecting sheets to form the ring assembly.
7. A pressure resistant PVC pipe as in claim 3, wherein the pipe body includes a first waterproof layer, an outer sidewall of the first waterproof layer being connected to an inner sidewall of the pressure resistant layer.
8. A pressure resistant PVC pipe as in claim 3, wherein the pipe body includes a dry layer, the inner side wall of the dry layer being connected to the outer side wall of the pressure resistant layer.
9. The pressure resistant PVC pipe of claim 8, wherein the pipe body includes a second waterproof layer, the inner side wall of the second waterproof layer being connected to the outer side wall of the dry layer.
10. The pressure-resistant PVC pipe according to claim 4, wherein the pressure-resistant sheet body is provided with one or more groups of through holes, and when the groups are arranged, the groups of through holes are uniformly arranged on the side wall of the pressure-resistant sheet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322253411.9U CN220706633U (en) | 2023-08-22 | 2023-08-22 | Pressure-resistant PVC pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322253411.9U CN220706633U (en) | 2023-08-22 | 2023-08-22 | Pressure-resistant PVC pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706633U true CN220706633U (en) | 2024-04-02 |
Family
ID=90448656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322253411.9U Active CN220706633U (en) | 2023-08-22 | 2023-08-22 | Pressure-resistant PVC pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706633U (en) |
-
2023
- 2023-08-22 CN CN202322253411.9U patent/CN220706633U/en active Active
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