High-strength compression-resistant PVC (polyvinyl chloride) pipe

Abstract

The utility model relates to the field of PVC (polyvinyl chloride) pipes, in particular to a high-strength compression-resistant PVC pipe which comprises a PVC pipe main body, and the supporting layer is arranged in the PVC pipe main body. According to the high-strength compression-resistant PVC pipe, through the arrangement of the PVC pipe body, the supporting layer, the reinforcing pipe, the first connecting pipe, the second connecting pipe, the buffering assembly, the annular air bag, the reinforcing ribs and the inner pipe, the strength and compression resistance of the whole PVC pipe body can be improved, and through the supporting layer arranged between the PVC pipe body and the reinforcing pipe and the reinforcing ribs arranged between the second connecting pipe and the inner pipe, the compression resistance of the PVC pipe is improved. The strength and the anti-pressure capability of the PVC pipe main body can be effectively improved, and the phenomenon that the PVC pipe main body is broken due to the fact that the PVC pipe main body is pressed in the transportation, installation and use processes is avoided, and the PVC pipe main body is subjected to external pressure.

Description

Technical Field

[0001] The utility model relates to the field of PVC pipes, in particular to a high-strength pressure-resistant PVC pipe. Background Art

[0002] PVC pipes are made of polyvinyl chloride resin, stabilizers, lubricants, etc., and are extruded by hot pressing. They are the earliest plastic pipes developed and applied. Currently, with the development of science and technology, PVC materials are also widely used in many fields, such as product shell packaging and corresponding dredging pipes and sewers, especially dredging pipes and sewers made of PVC materials.

[0003] After searching, a utility model high-strength pressure-resistant PVC pipe with publication number CN213839877U is found, comprising: an inner pipe; an outer pipe, which is sleeved on the outer side of the inner pipe, and whose axis coincides with the axis of the inner pipe; and an arc-shaped support sheet, at least three groups of which are arranged between the inner pipe and the outer pipe, and the multiple groups of arc-shaped support sheets are arranged in a circular array relative to the axis of the inner pipe, the arc-shaped support sheet is fixedly connected to the inner pipe, and the outer surface of the arc-shaped support sheet is tangent to the outer wall of the inner pipe, and the two ends of the arc-shaped support sheet are in contact with the inner wall of the outer pipe. The ends of the arc-shaped support sheet are in contact end to end. The PVC pipe disclosed in this application has the effects of high strength and strong pressure resistance.

[0004] The existing PVC pipes are still slightly insufficient in their compression resistance and lack reasonable protection. In addition, they are easily deformed and damaged by accidental bumps or external pressure during placement, transportation, and installation. Once the pipe body is damaged, the use of the entire pipe is directly affected, resulting in a lot of waste. The high-strength compression-resistant PVC pipe in the above-mentioned comparative case simply strengthens the compression resistance of the PVC pipe through an arc-shaped support sheet, and its structural strength is low, and the compression resistance effect is not good.

[0005] Therefore, it is necessary to invent a high-strength pressure-resistant PVC pipe to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a high-strength and pressure-resistant PVC pipe. By means of a support layer arranged between the PVC pipe body and the reinforcing pipe and reinforcing ribs between the second connecting pipe and the inner pipe, the strength and pressure resistance of the PVC pipe body can be effectively increased, and the phenomenon of rupture caused by pressure during the transportation, installation and use of the PVC pipe body can be avoided. When the PVC pipe body is subjected to external pressure, a part of the pressure is absorbed by the spring in the lower connecting seat through the telescopic rod, and the internal annular airbag absorbs the vibration generated by the pressure on the buffer component, thereby achieving a buffering and pressure-resistant effect, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength pressure-resistant PVC pipe, comprising a PVC pipe body;

[0008] The supporting layers are arranged inside the PVC pipe body to strengthen the strength of the PVC pipe body. The outer part of the PVC pipe body is covered with a protective cover. A reinforcing pipe is fixedly installed inside the supporting layer. A first connecting pipe is arranged inside the reinforcing pipe. A second connecting pipe is arranged inside the first connecting pipe.

[0009] The buffer components are arranged inside the first connecting pipe and the second connecting pipe, and are used to improve the compressive buffering force of the PVC pipe body. The first connecting pipe and the second connecting pipe are provided with an annular air bag inside;

[0010] The inner tube is arranged inside the second connecting tube. The second connecting tube and the inner tube are both fixedly connected with reinforcing ribs, and the reinforcing ribs are used to strengthen the strength of the PVC tube body.

[0011] Preferably, the buffer assembly includes a connecting seat, a telescopic rod, a connecting block, and a spring. The connecting seat is installed on the outside of the second connecting tube, the connecting seat is movably connected to the inside of the telescopic rod, the lower end of the telescopic rod is fixedly installed with a connecting block, and a spring is arranged below the connecting block and inside the connecting seat.

[0012] Preferably, the telescopic rod is fixedly connected to the connecting block, and the outer dimension of the connecting block matches the inner dimension of the connecting seat.

[0013] Preferably, the reinforcing ribs are fixedly connected to the second connecting tube and the inner tube, and the reinforcing ribs are distributed in a ring array outside the inner tube.

[0014] Preferably, a heat-insulating layer is provided inside the inner tube and the second connecting tube, and the heat-insulating layer is made of sound-proof cotton.

[0015] Preferably, a corrosion-resistant layer is provided inside the inner tube, a high-temperature resistant layer is provided inside the corrosion-resistant layer, the corrosion-resistant layer is made of glass fiber, and the high-temperature resistant layer is made of silicone.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] 1. The strength and pressure resistance of the entire PVC pipe body can be improved by setting the PVC pipe body, the support layer, the reinforcement pipe, the first connecting pipe, the second connecting pipe, the buffer component, the annular airbag, the reinforcement ribs and the inner pipe. The strength and pressure resistance of the PVC pipe body can be effectively increased by setting the support layer between the PVC pipe body and the reinforcement pipe and the reinforcement ribs between the second connecting pipe and the inner pipe, so as to avoid the phenomenon of rupture caused by pressure during the transportation, installation and use of the PVC pipe body. When the PVC pipe body is subjected to external pressure, the telescopic rod is used to transmit the pressure to the spring in the lower connecting seat to absorb part of the pressure, and the internal annular airbag absorbs the vibration caused by the pressure on the buffer component, thereby achieving the effect of buffering and pressure resistance.

[0018] 2. Through the arrangement of the PVC pipe body, inner pipe, thermal insulation layer, corrosion-resistant layer and high-temperature resistant layer, the corrosion resistance and high-temperature resistance of the inner pipe can be enhanced. The corrosion-resistant layer arranged inside the inner pipe can resist corrosion and prevent corrosion caused by long-term conveying of the medium. The high-temperature resistant layer improves the internal high-temperature resistance and avoids softening and damage of the inner pipe due to excessive temperature. At the same time, the thermal insulation layer arranged inside the inner pipe and the second connecting pipe is made of sound insulation cotton, which not only has a thermal insulation effect but also has a certain sound insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the PVC pipe body of the utility model;

[0022] Figure 3 This is a schematic diagram of the support layer structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the buffer component of the utility model;

[0024] Figure 5 This is a schematic diagram of the inner tube structure of the utility model.

[0025] Description of reference numerals:

[0026] 1. PVC pipe body; 2. Protective cover; 3. Support layer; 4. Reinforcement pipe; 5. First connecting pipe; 6. Second connecting pipe; 7. Buffer assembly; 701. Connecting seat; 702. Telescopic rod; 703. Connecting block; 704. Spring; 8. Annular airbag; 9. Reinforcement rib; 10. Inner pipe; 11. Insulation layer; 12. Corrosion-resistant layer; 13. High-temperature-resistant layer. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The utility model provides Figure 1-5 A high-strength, pressure-resistant PVC pipe is shown, comprising a PVC pipe body 1;

[0029] The support layer 3 is arranged inside the PVC pipe body 1 to strengthen the strength of the PVC pipe body 1. The outer part of the PVC pipe body 1 is provided with a protective cover 2. A reinforcing pipe 4 is fixedly installed inside the support layer 3. A first connecting pipe 5 is arranged inside the reinforcing pipe 4. A second connecting pipe 6 is arranged inside the first connecting pipe 5.

[0030] The buffer components 7 are arranged inside the first connecting tube 5 and the second connecting tube 6, and are used to improve the compressive buffering force of the PVC pipe body 1. The first connecting tube 5 and the second connecting tube 6 are provided with an annular air bag 8;

[0031] The inner tube 10 is arranged inside the second connecting tube 6. The second connecting tube 6 and the inner tube 10 are fixedly connected with reinforcing ribs 9. The reinforcing ribs 9 are used to strengthen the strength of the PVC tube body 1. The support layer 3 arranged between the PVC tube body 1 and the reinforcing tube 4 and the reinforcing ribs 9 between the second connecting tube 6 and the inner tube 10 can effectively increase the strength and pressure resistance of the PVC tube body 1, thereby avoiding the phenomenon of rupture caused by pressure during the transportation, installation and use of the PVC tube body 1. When the PVC tube body 1 is subjected to external pressure, the telescopic rod 702 is used to transmit the pressure to the spring 704 in the lower connecting seat 701 to absorb part of the pressure, and the internal annular airbag 8 absorbs the vibration caused by the pressure on the buffer component 7, thereby achieving a buffering and pressure resistance effect.

[0032] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the buffer assembly 7 includes a connecting seat 701, a telescopic rod 702, a connecting block 703, and a spring 704. The connecting seat 701 is installed on the outside of the second connecting pipe 6. The connecting seat 701 is movably connected with the telescopic rod 702. The lower end of the telescopic rod 702 is fixedly installed with a connecting block 703. A spring 704 is arranged below the connecting block 703 and inside the connecting seat 701. When the PVC pipe body 1 is subjected to external pressure, the telescopic rod 702 is extended and retracted in the connecting seat 701, and the internal spring 704 is used to achieve a buffering effect, thereby enhancing the pressure resistance of the entire PVC pipe body 1.

[0033] like Figure 4 As shown, the telescopic rod 702 is fixedly connected to the connecting block 703, the external dimensions of the connecting block 703 match the internal dimensions of the connecting seat 701, and the dimensions of the connecting block 703 just match the internal dimensions of the connecting seat 701, thereby forming a limited rebound telescopic function in the connecting seat 701.

[0034] like Figure 1 , Figure 2 and Figure 5 As shown, the reinforcing ribs 9 are fixedly connected to the second connecting tube 6 and the inner tube 10, and the reinforcing ribs 9 are distributed in a circular array outside the inner tube 10. Multiple groups of reinforcing ribs 9 are inside the second connecting tube 6 and the inner tube 10, thereby strengthening the strength between the inner tube 10 and the PVC tube body 1.

[0035] like Figure 2 and Figure 5 As shown, a thermal insulation layer 11 is arranged inside the inner tube 10 and the second connecting tube 6. The material of the thermal insulation layer 11 is sound insulation cotton. The thermal insulation layer 11 arranged inside the inner tube 10 and the second connecting tube 6 is sound insulation cotton, which not only has a thermal insulation effect but also has a certain sound insulation effect.

[0036] like Figure 1 , Figure 2 and Figure 5 As shown, a corrosion-resistant layer 12 is provided inside the inner tube 10, and a high-temperature resistant layer 13 is provided inside the corrosion-resistant layer 12. The corrosion-resistant layer 12 is made of glass fiber, and the high-temperature resistant layer 13 is made of silicone. The corrosion-resistant layer 12 provided inside the inner tube 10 has an anti-corrosion effect to prevent corrosion caused by long-term transportation of the medium, while the high-temperature resistant layer 13 improves the internal high-temperature resistance to prevent the inner tube 10 from softening and breaking due to excessive temperature.

[0037] Working principle of the utility model: when using the PVC pipe body 1, when the medium is transported inside, the high temperature resistant layer 13 inside the inner pipe 10 can effectively improve the temperature resistance. At the same time, the corrosion resistant layer 12 inside the inner pipe 10 has an anti-corrosion effect to prevent corrosion caused by long-term medium transportation. When transporting the medium, a certain sound will be generated. The insulation layer 11 set between the inner pipe 10 and the second connecting pipe 6 not only has a heat preservation effect but also has a certain sound insulation effect. When the PVC pipe body 1 is used or transported, it is subjected to accidental bumps or external heavy pressure. The insulation layer 11 set between the PVC pipe body 1 and the reinforcing pipe 4 The support layer 3 and the reinforcing ribs 9 between the second connecting tube 6 and the inner tube 10 can effectively increase the strength and pressure resistance of the PVC pipe body 1, and avoid the phenomenon of rupture caused by pressure during the transportation, installation and use of the PVC pipe body 1. When the PVC pipe body 1 is subjected to external pressure, the telescopic rod 702 is used to transmit the pressure to the spring 704 in the lower connecting seat 701 to absorb part of the pressure for buffering, and the internal annular airbag 8 absorbs the vibration generated by the pressure on the buffer component 7, thereby achieving the effect of buffering and pressure resistance. In this way, the use process of the high-strength and pressure-resistant PVC pipe is completed.

[0038] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high-strength, pressure-resistant PVC pipe, characterized in that: It includes a PVC pipe body (1); The support layer (3) is arranged inside the PVC pipe body (1) and is used to strengthen the strength of the PVC pipe body (1); the outside of the PVC pipe body (1) is provided with a protective cover (2); a reinforcement pipe (4) is fixedly installed inside the support layer (3); a first connecting pipe (5) is arranged inside the reinforcement pipe (4); and a second connecting pipe (6) is arranged inside the first connecting pipe (5); The buffer components (7) are arranged inside the first connecting tube (5) and the second connecting tube (6) and are used to improve the compressive buffering force of the PVC tube body (1); the first connecting tube (5) and the second connecting tube (6) are provided with an annular air bag (8); The inner tube (10) is arranged inside the second connecting tube (6), and the second connecting tube (6) and the inner tube (10) are both fixedly connected with reinforcing ribs (9), and the reinforcing ribs (9) are used to strengthen the strength of the PVC tube body (1).

2. The high-strength pressure-resistant PVC pipe according to claim 1, characterized in that: The buffer assembly (7) comprises a connecting seat (701), a telescopic rod (702), a connecting block (703), and a spring (704); the connecting seat (701) is mounted on the outside of the second connecting tube (6); the connecting seat (701) is movably connected to the telescopic rod (702); the lower end of the telescopic rod (702) is fixedly mounted with the connecting block (703); and the spring (704) is arranged below the connecting block (703) and inside the connecting seat (701).

3. The high-strength pressure-resistant PVC pipe according to claim 2, characterized in that: The telescopic rod (702) is fixedly connected to the connecting block (703), and the external dimensions of the connecting block (703) are consistent with the internal dimensions of the connecting seat (701).

4. The high-strength pressure-resistant PVC pipe according to claim 1, characterized in that: The reinforcing ribs (9) are fixedly connected to the second connecting tube (6) and the inner tube (10), and the reinforcing ribs (9) are distributed in a ring array outside the inner tube (10).

5. The high-strength pressure-resistant PVC pipe according to claim 1, characterized in that: A heat-insulating layer (11) is provided inside the inner tube (10) and the second connecting tube (6), and the heat-insulating layer (11) is made of sound-insulating cotton.

6. The high-strength pressure-resistant PVC pipe according to claim 1, characterized in that: The inner tube (10) is provided with a corrosion-resistant layer (12) inside, and the corrosion-resistant layer (12) is provided with a high-temperature resistant layer (13) inside. The corrosion-resistant layer (12) is made of glass fiber, and the high-temperature resistant layer (13) is made of silicone.

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