PPR pipe with good heat resistance

Abstract

The utility model discloses a PPR pipe with good heat resistance. The left side and the right side of the pipe body are both communicated with lantern rings, a lining mechanism is arranged in an inner cavity of the pipe body and comprises a hollow pipe, a spiral wire, a heat insulation coating, an anti-oxidation film, a glass rock wool layer and a rubber layer, the hollow pipe is arranged in the inner cavity of the pipe body, the spiral wire is wound on the surface of the hollow pipe, and the heat insulation coating is arranged in the inner cavity of the pipe body. And heat insulation coatings are arranged on the left side and the right side of the surface of the hollow pipe correspondingly, and an anti-oxidation film is arranged in the inner cavity of the pipe body and located on the outer side of the hollow pipe. Through the arrangement of the lining mechanism, the hollow pipe can be additionally arranged in the pipe body, the strength of the hollow pipe is improved and softening is reduced in cooperation with the spiral wire at high temperature, and heat in the hollow pipe is reserved in the hollow pipe in cooperation with the heat insulation coating; and finally, the heat-resisting effect in the pipe body is improved through cooperation of an anti-oxidation film, a glass rock wool layer and a rubber layer in the pipe body.

Description

Technical Field

[0001] The utility model relates to the technical field of PPR pipes, in particular to a PPR pipe with good heat resistance. Background Art

[0002] PP-R pipe, also known as tripropylene pipe, random copolymer polypropylene pipe or PPR pipe, is a pipe made of random copolymer polypropylene as raw material. In the comparative case, the publication number is CN216479651U. The utility model discloses a pipe lining with good heat resistance, including an external pipe body, a heat-resistant lining pipe is fitted on the inner wall of the external pipe body, a flange joint is arranged on the outer side of the right end of the external pipe body, an annular sealing groove is provided on the right inner wall of the external pipe body, a base ring is inserted in the inner cavity of the annular sealing groove, a limiting groove is provided on the annular array of the surrounding walls on the left side of the inner cavity of the annular sealing groove, the surrounding wall annular array on the left outer periphery of the base ring is fixedly connected to the limiting plug column, and the surrounding wall annular array on the right side of the base ring is provided with a telescopic groove. The pipe lining with good heat resistance can increase the sealing performance when the outer pipe body and the right end of the heat-resistant lining pipe are installed and connected with the end of another pipe through the mutual cooperation of the arranged sealing ring, extrusion column, telescopic groove, telescopic spring, base ring and annular sealing groove, and is easy to install and has high stability.

[0003] However, in the implementation of relevant technologies, it was found that the above-mentioned pipe lining with good heat resistance had the following problems: in the comparative case, the sealing was improved by cooperating multiple mechanical structures such as sealing rings, extrusion columns, expansion grooves, expansion springs, base rings and annular sealing grooves, but the heat resistance effect could not be improved through the structure; most of the existing PPR pipes are made of polyethylene materials, which are prone to softening and deformation at high temperatures, thereby reducing the heat resistance of the PPR pipes.

[0004] Therefore, it is necessary to redesign the PPR pipe to effectively prevent the problem that most PPR pipes are made of polyethylene materials, which are prone to softening and deformation at high temperatures. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a PPR pipe with good heat resistance, which has the advantage of good heat resistance and solves the problem that most PPR pipes are made of polyethylene materials and are prone to softening and deformation at high temperatures.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PPR pipe with good heat resistance, comprising;

[0007] tube body;

[0008] The left and right sides of the tube body are both connected with collars, and the inner cavity of the tube body is provided with a lining mechanism;

[0009] The lining mechanism includes a hollow tube, a spiral wire, a thermal insulation coating, an anti-oxidation film, a glass rock wool layer and a rubber layer. The inner cavity of the tube body is provided with a hollow tube, the surface of the hollow tube is wrapped with a spiral wire, the left and right sides of the surface of the hollow tube are provided with a thermal insulation coating, the inner cavity of the tube body and the outer side of the hollow tube are provided with an anti-oxidation film, the top of the anti-oxidation film is provided with a glass rock wool layer, and the top of the glass rock wool layer is provided with a rubber layer.

[0010] As a preferred embodiment of the present invention, a sealing ring is provided on the inner side of the collar, and the sealing ring is used in conjunction with the collar.

[0011] As a preferred embodiment of the present invention, annular grooves are provided on the left and right sides of the inner cavity of the hollow tube, and the annular grooves are used in conjunction with the hollow tube.

[0012] As a preferred embodiment of the present invention, the spiral wire is made of copper, and the spiral wire is used in conjunction with a hollow tube.

[0013] As a preferred embodiment of the present invention, the number of the thermal insulation coatings is several and they are evenly distributed, and the thermal insulation coatings are used in conjunction with a hollow tube.

[0014] As a preferred embodiment of the present invention, the material of the glass rock wool layer is glass fiber, and the glass rock wool layer is used in conjunction with the pipe body.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model can install a hollow tube inside the pipe body through the setting of the lining mechanism, and cooperate with the spiral wire to increase the strength of the hollow tube and reduce softening at high temperature, and cooperate with the heat insulation coating to keep the heat inside the hollow tube inside the hollow tube, and finally cooperate with the anti-oxidation film, glass rock wool layer and rubber layer inside the pipe body to improve the heat resistance effect inside the pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A three-dimensional diagram of the structure of the middle tube;

[0019] Figure 3 For this utility model Figure 2 A three-dimensional diagram of the hollow core tube structure;

[0020] Figure 4 For this utility model Figure 1 Stereoscopic diagram of the middle rubber layer structure.

[0021] In the figure: 1. pipe body; 2. sleeve ring; 3. lining mechanism; 31. hollow pipe; 32. spiral wire; 33. thermal insulation coating; 34. antioxidant film; 35. glass rock wool layer; 36. rubber layer; 4. sealing ring; 5. annular groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 4 As shown, the utility model provides a PPR pipe with good heat resistance, including:

[0024] tube body 1;

[0025] The left and right sides of the tube body 1 are both connected with a collar 2, and the inner cavity of the tube body 1 is provided with a lining mechanism 3;

[0026] The lining mechanism 3 includes a hollow tube 31, a spiral wire 32, a thermal insulation coating 33, an antioxidant film 34, a glass rock wool layer 35 and a rubber layer 36. The inner cavity of the pipe body 1 is provided with a hollow tube 31, the surface of the hollow tube 31 is wrapped with a spiral wire 32, the left and right sides of the surface of the hollow tube 31 are provided with a thermal insulation coating 33, the inner cavity of the pipe body 1 and the outer side of the hollow tube 31 are provided with an antioxidant film 34, the top of the antioxidant film 34 is provided with a glass rock wool layer 35, and the top of the glass rock wool layer 35 is provided with a rubber layer 36.

[0027] refer to Figure 1 A sealing ring 4 is arranged on the inner side of the collar 2 , and the sealing ring 4 is used in conjunction with the collar 2 .

[0028] As a technical optimization solution of the utility model, the setting of the sealing ring 4 can assist the collar 2 in working and play a sealing role, thereby avoiding leakage at the connection between the tube body 1 and the collar 2.

[0029] refer to Figure 2 Annular grooves 5 are provided on the left and right sides of the inner cavity of the hollow tube 31 , and the annular grooves 5 are used in conjunction with the hollow tube 31 .

[0030] As a technical optimization solution of the utility model, the annular groove 5 is provided to assist the pipe body 1 in working, thereby avoiding leakage caused by a gap between the pipe body 1 and the hollow pipe 31 .

[0031] refer to Figure 2The spiral wire 32 is made of copper and is used in conjunction with the hollow tube 31 .

[0032] As a technical optimization solution of the present invention, the spiral wire 32 can assist the hollow tube 31 in working, thereby preventing the hollow tube 31 from being softened due to high temperature.

[0033] refer to Figure 3 The number of the thermal insulation coatings 33 is several and evenly distributed, and the thermal insulation coatings 33 are used in conjunction with the hollow tube 31 .

[0034] As a technical optimization solution of the utility model, the provision of the heat-insulating coating 33 can assist the hollow tube 31 in working, thereby preventing the rapid dissipation of heat inside the hollow tube 31 from causing high-temperature corrosion to the tube body 1.

[0035] refer to Figure 4 The material of the glass rock wool layer 35 is glass fiber, and the glass rock wool layer 35 is used in conjunction with the pipe body 1 .

[0036] As a technical optimization solution of the present invention, the provision of the glass rock wool layer 35 can increase the strength of the pipe body 1 and avoid deformation of the pipe body 1 under high temperature conditions.

[0037] The working principle and use process of the utility model are as follows: when in use, the pipe body 1 and the sleeve ring 2 are sleeved with each other, and high temperature flows through the hollow tube 31 inside the pipe body 1. The hollow tube 31 is heated and cooperates with the spiral wire 32 to maintain the strength of the hollow tube 31 to reduce the softening effect, and then cooperates with the heat insulation coating 33 to prevent heat from penetrating quickly and causing high-temperature softening of the pipe body 1. Finally, cooperate with the anti-oxidation film 34 inside the pipe body 1 to prevent the polyethylene material from generating harmful substances at high temperatures, and then cooperate with the glass rock wool layer 35 to improve the overall strength of the pipe body 1. Finally, the rubber layer 36 is used to make the pipe body 1 heat-insulating and heat-resistant.

[0038] In summary: the PPR pipe with good heat resistance, through the use of the pipe body 1, the ring 2, the lining mechanism 3, the hollow tube 31, the spiral wire 32, the thermal insulation coating 33, the antioxidant film 34, the glass rock wool layer 35 and the rubber layer 36, solves the problem that most of the existing PPR pipes are made of polyethylene materials and are prone to softening and deformation at high temperatures.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PPR pipe with good heat resistance, characterized in that: include: tube body(1); The left and right sides of the tube body (1) are both connected with a collar (2), and the inner cavity of the tube body (1) is provided with a lining mechanism (3); The lining mechanism (3) comprises a hollow tube (31), a spiral wire (32), a heat-insulating coating (33), an anti-oxidation film (34), a glass rock wool layer (35) and a rubber layer (36); the inner cavity of the tube body (1) is provided with a hollow tube (31); the surface of the hollow tube (31) is wound with a spiral wire (32); the left and right sides of the surface of the hollow tube (31) are provided with a heat-insulating coating (33); the inner cavity of the tube body (1) and the outer side of the hollow tube (31) are provided with an anti-oxidation film (34); a glass rock wool layer (35) is provided on the top of the anti-oxidation film (34); and a rubber layer (36) is provided on the top of the glass rock wool layer (35).

2. The PPR pipe with good heat resistance according to claim 1, characterized in that: A sealing ring (4) is arranged on the inner side of the collar (2), and the sealing ring (4) is used in conjunction with the collar (2).

3. The PPR pipe with good heat resistance according to claim 1, characterized in that: Annular grooves (5) are provided on the left and right sides of the inner cavity of the hollow tube (31), and the annular grooves (5) are used in conjunction with the hollow tube (31).

4. The PPR pipe with good heat resistance according to claim 1, characterized in that: The material of the spiral wire (32) is copper, and the spiral wire (32) is used in conjunction with the hollow tube (31).

5. The PPR pipe with good heat resistance according to claim 1, characterized in that: The number of the heat-insulating coatings (33) is several and evenly distributed, and the heat-insulating coatings (33) are used in conjunction with the hollow tube (31).

6. The PPR pipe with good heat resistance according to claim 1, characterized in that: The material of the glass rock wool layer (35) is glass fiber, and the glass rock wool layer (35) is used in conjunction with the pipe body (1).

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