Protection structure of PP pipe

Abstract

The utility model relates to the technical field of PP pipes, and discloses a PP pipe protection structure which comprises a PP pipe body, a connecting ring is fixedly connected to the surface of the PP pipe body, a protection ring is welded to the surface of the connecting ring, a first rubber ring is fixedly connected to the surface of the connecting ring, and a second rubber ring is fixedly connected to the surface of the connecting ring. A spring is welded to the surface of the connecting ring, and a protection plate is fixedly connected to the top end of the spring. According to the utility model, by arranging the spring welded on the surface of the connecting ring and the protective plate at the top end, when the protective plate suffers from external impact at different angles, part of force suffered by the surface of the protective plate is buffered by matching with the extension and retraction of the spring, and when the external impact force is relatively large, the length of the spring is shrunk completely; and the residual impact force on the protection plate is buffered by a first rubber ring and a second rubber ring, so that the PP pipe in the equipment is effectively protected, and the damage to the PP pipe in the equipment caused by external impact is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of PP pipes, in particular to a protective structure of a PP pipe. Background Art

[0002] PP pipe is a non-toxic, sanitary, high temperature resistant and recyclable pipe type. It is mainly used in indoor hot and cold water supply systems of buildings and is also widely used in heating systems. The characteristics of PP pipe are no corrosion, wear resistance, no scaling, reduced vibration and noise, anti-freezing and anti-condensation, less heat loss, simple installation and long service life. There are three connection methods: welding, end edge welding and different material pipe connection.

[0003] Compare authorization number 202221533564.8 A PP joint for a cable protection tube, which can effectively fix some large protection tubes through the upper cover plate and the lower cover plate, can effectively reduce the movement of the protection tube, reduce the connection workload, and is easy to connect. The moisture-proof layer can effectively prevent external water vapor from entering the inner side of the cover plate, thereby effectively protecting the connection of the protection tube. The device is provided with an elastic inner layer and a limiting convex, which can effectively limit the corrugated protection tube, and the elastic inner layer can effectively improve the sealing of the cover plate and the protection tube, thereby having The utility model also provides a PP joint with the above-mentioned cable protection tube, comprising an upper cover plate, a lower cover plate is arranged on the lower side of the upper cover plate, and the upper cover plate and the lower cover plate are both composed of a wear-resistant outer layer, a moisture-proof layer and an elastic inner layer, comprising an upper cover plate, a lower cover plate is arranged on the lower side of the upper cover plate, and the upper cover plate and the lower cover plate are both composed of a wear-resistant outer layer, a moisture-proof layer and an elastic inner layer, the wear-resistant outer layer is made of wear-resistant rubber material, and an ultraviolet absorber is arranged inside the wear-resistant rubber to improve the service life of the joint.

[0004] The PP joint of the cable protection tube is configured such that the wear-resistant outer layer is made of a wear-resistant rubber material, and an ultraviolet absorber is arranged inside the wear-resistant rubber, so as to increase the service life of the joint. However, when the entire device is subjected to a large impact, it is only the elastic inner layer of the PP tube that provides protection, which is not convenient for providing good protective performance for the internal PP tube. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a protection structure for a PP pipe.

[0006] The utility model is implemented by the following technical scheme: a protective structure of a PP pipe, comprising a PP pipe body, a connecting ring is fixedly connected to the surface of the PP pipe body, a protective ring is welded to the surface of the connecting ring, a first rubber ring is fixedly connected to the surface of the connecting ring, a second rubber ring is fixedly connected to the surface of the connecting ring, a spring is welded to the surface of the connecting ring, and a protective plate is fixedly connected to the top of the spring.

[0007] Through the above technical solution, the number of protective plates is set to four, and the material of the protective plates is set to steel, which has high strength and toughness, strength stability at high temperatures, and wear resistance and corrosion resistance.

[0008] As a further improvement of the above solution, the first rubber rings are symmetrically distributed with the PP tube body as the center, and the protection rings are symmetrically distributed with the PP tube body as the center.

[0009] Through the above technical solution, the number of the protection ring and the first rubber ring is set to two. The first rubber ring is used to distribute and buffer the impact force suffered by the protective plate from top to bottom, and has good elasticity and deformation ability.

[0010] As a further improvement of the above solution, the springs are symmetrically distributed with the PP tube body as the center, and springs are provided at the front and rear ends of the first rubber ring.

[0011] As a further improvement of the above solution, the shape of the corners of the protective plate is set to be arc-shaped, which reduces the damage to the rubber ring caused by the sharp part of the protective plate when the protective plate cooperates with the spring to shrink.

[0012] As a further improvement of the above solution, a protective plate is provided on the surface of the second rubber ring, a protective plate is provided on the surface of the protection ring, a protective plate is provided on the surface of the first rubber ring, and a protective plate is provided on the surface of the second rubber ring.

[0013] Through the above technical solution, the width of the second rubber ring is greater than that of the first rubber ring, and the bearing and buffering areas are different in size.

[0014] As a further improvement of the above solution, the inner wall of the connecting ring and the surface of the PP pipe body are fixedly connected with a mixture of anti-oxidation coating and fire-retardant coating.

[0015] Through the above technical scheme, the material of the anti-oxidation coating is set to epoxy resin coating: it has excellent adhesion, mechanical strength and heat resistance, can withstand chemical corrosion such as acid, alkali, grease, etc., protects steel, and has good water resistance and durability, which can extend the service life of steel. The material of the fire-retardant coating is set to binder silicate cement, magnesium oxychloride or inorganic high-temperature adhesive and aggregate expanded vermiculite, etc.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model provides a spring welded on the surface of the connecting ring and the protective plate at the top, and when the protective plate is hit at different angles from the outside, a part of the force applied to the surface of the protective plate is buffered by cooperating with the expansion and contraction of the spring; when the impact force from the outside is large and the length of the spring is completely contracted, the remaining impact force on the protective plate is buffered by the first rubber ring and the second rubber ring, thereby effectively protecting the PP tube inside the equipment and reducing damage to the internal PP tube caused by external impact.

[0018] The utility model can prevent the PP tube from cracking due to surface oxidation during long-term use by arranging an anti-oxidation layer between the surface of the PP tube body and the inner wall of the connecting ring, thereby preventing the PP tube from being softened and deformed due to external high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the disassembly structure of the protective plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the anatomical structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the disassembled structure of the PP pipe main body of the utility model.

[0023] Description of main symbols:

[0024] 1. PP pipe body; 2. Connecting ring; 3. Protective ring; 4. First rubber ring; 5. Spring; 6. Protective plate; 7. Second rubber ring. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0026] Example:

[0027] Please combine Figure 1-4A protective structure of a PP pipe of the present embodiment includes a PP pipe body 1, a connecting ring 2 is fixedly connected to the surface of the PP pipe body 1, a protective ring 3 is welded to the surface of the connecting ring 2, a first rubber ring 4 is fixedly connected to the surface of the connecting ring 2, a second rubber ring 7 is fixedly connected to the surface of the connecting ring 2, a spring 5 is welded to the surface of the connecting ring 2, and a protective plate 6 is fixedly connected to the top of the spring 5. By arranging the spring 5 welded on the surface of the connecting ring 2 and the protective plate 6 on the top, when the protective plate 6 is hit at different angles from the outside, a part of the force on the surface of the protective plate 6 is buffered by cooperating with the expansion and contraction of the spring 5. When the impact force from the outside is large and the length of the spring 5 is completely contracted, the remaining impact force on the protective plate 6 is buffered by the first rubber ring 4 and the second rubber ring 7, thereby effectively protecting the PP pipe inside the equipment and reducing the damage to the internal PP pipe caused by external impact.

[0028] The number of the protective plates 6 is set to four, and the material of the protective plates 6 is set to be steel, which has high strength and toughness, stability of strength at high temperatures, and wear resistance and corrosion resistance.

[0029] The first rubber ring 4 is symmetrically distributed with the PP tube body 1 as the center, and the protection ring 3 is symmetrically distributed with the PP tube body 1 as the center.

[0030] The number of the protection ring 3 and the first rubber ring 4 is set to two. The first rubber ring 4 is used to distribute and buffer the impact force suffered by the protection plate 6 from top to bottom, and has good elasticity and deformation ability.

[0031] The springs 5 ​​are symmetrically distributed with the PP tube body 1 as the center, and springs 5 ​​are arranged at the front and rear ends of the first rubber ring 4 .

[0032] The shape of the corners of the protective plate 6 is set to be an arc shape, which reduces the damage caused to the rubber ring by the sharp part of the protective plate 6 when the protective plate 6 cooperates with the contraction of the spring 5.

[0033] A protective plate 6 is provided on the surface of the second rubber ring 7 , a protective plate 6 is provided on the surface of the protection ring 3 , a protective plate 6 is provided on the surface of the first rubber ring 4 , and a protective plate 6 is provided on the surface of the second rubber ring 7 .

[0034] The width of the second rubber ring 7 is greater than that of the first rubber ring 4 , and the bearing and buffering areas are different in size.

[0035] The inner wall of the connecting ring 2 is fixedly connected to the surface of the PP pipe body 1 with a mixture of anti-oxidation coating and fire-retardant coating. By providing the anti-oxidation layer between the surface of the PP pipe body 1 and the inner wall of the connecting ring 2, the surface oxidation of the PP pipe can be prevented from cracking and affecting the use of the PP pipe during long-term use, and the fire-retardant layer can prevent the PP pipe from softening and deforming due to external high temperature.

[0036] The material of the anti-oxidation coating is set to epoxy resin coating: it has excellent adhesion, mechanical strength and heat resistance, can withstand chemical corrosion such as acid, alkali, grease, etc., protects steel, and has good water resistance and durability, which can extend the service life of steel. The material of the fire-retardant coating is set to binder silicate cement, magnesium oxychloride or inorganic high-temperature adhesive and aggregate expanded vermiculite, etc.

[0037] The implementation principle of a protective structure for a PP tube in the embodiment of the present application is as follows: the equipment is placed in a suitable position, and when the spring 5 welded on the surface of the connecting ring 2 and the protective plate 6 at the top are subjected to external impact at different angles, a part of the force on the surface of the protective plate 6 is buffered by cooperating with the expansion and contraction of the spring 5. When the external impact force is large and the length of the spring 5 is completely contracted, the remaining impact force on the protective plate 6 is buffered by the first rubber ring 4 and the second rubber ring 7, thereby effectively protecting the PP tube inside the equipment and reducing the damage to the internal PP tube caused by external impact. By providing an anti-oxidation layer between the surface of the PP tube body 1 and the inner wall of the connecting ring 2, the PP tube can be prevented from surface oxidation and cracking that affects the use of the PP tube during long-term use, and the fireproof layer can prevent the PP tube from softening and deforming due to external high temperature.

[0038] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A protective structure for a PP pipe, characterized in that: The invention comprises a PP pipe body (1), a connecting ring (2) is fixedly connected to the surface of the PP pipe body (1), a protective ring (3) is welded to the surface of the connecting ring (2), a first rubber ring (4) is fixedly connected to the surface of the connecting ring (2), a second rubber ring (7) is fixedly connected to the surface of the connecting ring (2), a spring (5) is welded to the surface of the connecting ring (2), and a protective plate (6) is fixedly connected to the top of the spring (5).

2. A protective structure for a PP pipe as claimed in claim 1, characterized in that: The first rubber ring (4) is symmetrically distributed with the PP tube body (1) as the center, and the protection ring (3) is symmetrically distributed with the PP tube body (1) as the center.

3. A protective structure for a PP pipe as claimed in claim 1, characterized in that: The springs (5) are symmetrically distributed with the PP tube body (1) as the center, and springs (5) are arranged at the front and rear ends of the first rubber ring (4).

4. A protective structure for a PP pipe as claimed in claim 1, characterized in that: The shape of the corners of the protective plate (6) is set to be an arc shape, which reduces the damage caused to the rubber ring by the sharp part of the protective plate when the protective plate cooperates with the contraction of the spring.

5. A protective structure for a PP pipe as claimed in claim 1, characterized in that: The surface of the second rubber ring (7) is provided with a protective plate (6), the surface of the protection ring (3) is provided with a protective plate (6), the surface of the first rubber ring (4) is provided with a protective plate (6), and the surface of the second rubber ring (7) is provided with a protective plate (6).

6. A protective structure for a PP pipe as claimed in claim 1, characterized in that: The inner wall of the connecting ring (2) and the surface of the PP pipe body (1) are fixedly connected with a mixture of an anti-oxidation coating and a fire-retardant coating.

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