Compression-resistant thermal insulation pipe

Abstract

The utility model belongs to the technical field of water supply pipes, and particularly relates to a compression-resistant heat preservation pipe which comprises an inner pipe layer, an outer pipe layer and a middle reinforcing layer arranged between the inner pipe layer and the outer pipe layer, the inner pipe layer and the outer pipe layer are high-strength heat preservation composite layers, the middle reinforcing layer is distributed between the inner pipe layer and the outer pipe layer in a spiral shape, and the middle reinforcing layer is arranged between the inner pipe layer and the outer pipe layer. The two ends of the inner pipe layer and the two ends of the outer pipe layer are flush with the two ends of the middle reinforcing layer, sealing treatment is conducted on the ends, and the inner pipe layer and the outer pipe layer are used for preventing water from permeating among the layers. Pressure can be transmitted and dispersed in the spiral direction, the situation that the water supply pipe deforms or cracks due to local pressure concentration is avoided, and the compressive strength and stability of the water supply pipe are improved while heat preservation is conducted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of water supply pipe, specifically relates to a compression type heat preservation pipe. BACKGROUND

[0002] Water supply pipeline has extensive application in water supply system, is often used for indoor and outdoor water supply pipeline, sewage discharge pipeline, vent pipeline etc, and is widely applied in municipal, building, mariculture etc.

[0003] With the development of science and technology, the existing water supply pipeline has certain heat preservation effect, has the performance of coping with severe cold weather in the process of using, and certain strength and rigidity, but the compression resistance is still limited in the long-term use, and the water supply heat preservation pipe can be deformed and damaged due to the pressure from various aspects, therefore, in view of the above problems, the utility model provides a compression type heat preservation pipe. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model aims at providing a compression type heat preservation pipe, which enhances the compression resistance of PVC water supply pipe and reduces deformation and damage caused by pressure from various directions.

[0005] To achieve the above object, the utility model adopts the technical scheme: a compression type heat preservation pipe, which comprises an inner pipe layer, an outer pipe layer and an intermediate reinforcing layer arranged between the inner pipe layer and the outer pipe layer, the inner pipe layer and the outer pipe layer are both high-strength heat preservation composite layers, the intermediate reinforcing layer is spirally distributed between the inner pipe layer and the outer pipe layer, the two ends of the inner pipe layer and the outer pipe layer are flush with the two ends of the intermediate reinforcing layer and are sealed at the end portions to prevent water from penetrating between the layers.

[0006] The utility model has the beneficial effects that: through the heat preservation effect of the inner pipe layer and the outer pipe layer and the arrangement of the intermediate reinforcing layer therebetween, the intermediate reinforcing layer spirally distributed can transmit and disperse the pressure along the spiral direction when subjected to the pressure, avoid the deformation or rupture of the water supply pipe caused by the local pressure concentration, and improve the compression strength and stability of the water supply pipe while preserving heat.

[0007] In order to improve the dispersion effect of the pressure,

[0008] As a further improvement of the above technical scheme: the intermediate reinforcing layer is two layers, and the two intermediate reinforcing layers are tightly and staggeredly arranged in the horizontal direction.

[0009] The improvement has the beneficial effects that: the two staggered intermediate reinforcing layers can better disperse the pressure from various directions, and when the water pipe is subjected to external pressure, the two staggered spiral structures transmit the pressure to different positions, improving the dispersion effect of the pressure.

[0010] In order to improve the compression performance significantly;

[0011] As a further improvement of the above technical solution: the intermediate reinforcing layer is woven from high-strength fiber material.

[0012] The improvement has the beneficial effect that the presence of high-strength fiber material can make the water pipe better withstand the instantaneous impact force and avoid sudden deformation and rupture of the water pipe due to the instantaneous impact force.

[0013] In order to prevent chemical corrosion of the water pipe;

[0014] As a further improvement of the above technical solution: the inner pipe layer includes a high-strength inner layer and an anti-corrosion layer provided on the inner wall of the high-strength inner layer.

[0015] The improvement has the beneficial effect that the anti-corrosion layer can be epoxy paint, polyurethane paint, etc., and the high-strength thermal insulation composite material has certain corrosion resistance, but in some environments, it may still be eroded, and the provision of the anti-corrosion layer can effectively block the direct contact of these corrosive substances with the high-strength inner layer, thereby enhancing the strength of the inner pipe layer and prolonging the service life of the inner pipe layer.

[0016] In order to improve the safety performance;

[0017] As a further improvement of the above technical solution: the outer pipe layer includes a high-strength outer layer, a fire-retardant layer provided on the inner wall of the high-strength outer layer, and a thermal insulation layer provided on the inner wall of the fire-retardant layer.

[0018] The improvement has the beneficial effect that the fire-retardant layer can be made of polyvinyl chloride, glass fiber reinforced plastic, etc., and the thermal insulation layer can be made of polyurethane foam, glass wool, etc., and the provision of the fire-retardant layer in specific application fields such as construction and fire fighting can reduce the risk of fire and provide important protection for personnel and property, and in addition, the thermal insulation layer can make the water pipe in a lower environment to avoid dew formation and improve the anti-freezing performance of the water pipe.

[0019] In order to facilitate installation;

[0020] As a further improvement of the above technical solution: a plurality of anti-slip lines are provided on the outer wall of the outer pipe layer.

[0021] The improvement has the beneficial effect that the provision of the anti-slip lines can facilitate the installation personnel to hold the water pipe, especially in fine operations such as pipe connection and tightening of pipe fittings, which can help the construction personnel to better control the water pipe and reduce the risk of slipping, thereby improving the safety and stability of the operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 It is a front view structural schematic diagram of the utility model;

[0024] Figure 3 It is a cross section structural schematic diagram of the utility model Figure 1 ;

[0025] Figure 4 It is a partial structural schematic diagram of the utility model;

[0026] Figure 5 It is a cross section structural schematic diagram of the utility model Figure 2 .

[0027] In the drawing: 1, inner tube layer; 101, high-strength inner layer; 102, corrosion-resistant layer; 2, outer tube layer; 201, high-strength outer layer; 202, flame-retardant layer; 203, heat-insulating layer; 3, intermediate reinforcing layer; 4, anti-skid pattern. DETAILED DESCRIPTION

[0028] In order to make the skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0029] As shown in Figures 1-5 A compression-resistant heat-insulating pipe, comprising an inner tube layer 1, an outer tube layer 2 and an intermediate reinforcing layer 3 arranged between the inner tube layer 1 and the outer tube layer 2, the three layers can be combined into a whole through an extrusion process, adhesive connection and the like, the inner tube layer 1 and the outer tube layer 2 are both high-strength heat-insulating composite layers, the high-strength heat-insulating composite layers can enhance the function of the water supply pipe, the outer tube layer 2 and the inner tube layer 1 can improve the compression resistance of the water supply pipe in various aspects, improve the safety and stability of use, the intermediate reinforcing layer 3 is arranged in a spiral shape between the inner tube layer 1 and the outer tube layer 2, through the spiral arrangement, the pressure can be transmitted and dispersed along the spiral direction, avoiding the deformation and rupture of the water supply pipe caused by local pressure concentration, and at the same time, the mechanical strength of the water supply pipe can be significantly improved, so that the water supply pipe can maintain good shape and performance in complex environments, such as buried and overhead conditions, the two ends of the inner tube layer 1 and the outer tube layer 2 are flush with the two ends of the intermediate reinforcing layer 3 and are sealed at the end portion, for preventing moisture from penetrating between the layers, the end portion can adopt welding sealing, mechanical sealing and the like to form a complete whole between the inner tube layer 1, the outer tube layer 2 and the intermediate reinforcing layer 3, avoiding the water flow from entering, causing the damage of the intermediate reinforcing layer 3 due to the erosion effect, and damaging the inside of the water pipe;

[0030] Further, the intermediate reinforcing layer 3 is two layers, and the two layers of the intermediate reinforcing layer 3 are closely attached and staggered in the horizontal direction. The two staggered intermediate reinforcing layers 3 can better disperse the pressure from all directions. When the water pipe is subjected to external pressure, the two closely attached and staggered spiral structures transmit the pressure to different parts, improve the pressure dispersion effect, and increase the contact area between the two intermediate reinforcing layers 3, the inner pipe layer 1 and the outer pipe layer 2. Under the action of pressure, the two intermediate reinforcing layers 3 are pressed against each other and are not easy to shift and deform, so that the shape and axial pressure of the water pipe can be better maintained.

[0031] Further, the intermediate reinforcing layer 3 is woven from high-strength fiber material, wherein the intermediate reinforcing layer 3 is made of glass fiber, carbon fiber or the like. The high-strength fiber material has a certain buffering capacity, can make the water pipe better withstand the instantaneous impact force, protect the structure of the water pipe, avoid the sudden deformation and rupture of the water pipe due to the instantaneous impact force, and at the same time, even if the surface of the water pipe appears local damage, the high-strength fiber can limit the expansion of the crack and prolong the service life of the water pipe.

[0032] Further, the inner pipe layer 1 includes a high-strength inner layer 101 and an anti-corrosion layer 102 arranged on the inner wall of the high-strength inner layer 101. The anti-corrosion layer 102 can be epoxy resin paint, polyurethane paint or the like, and has a certain corrosion resistance. The high-strength inner layer 101 can be PVC material, PE material or the like, and has a certain strength, rigidity and temperature resistance. Although the performance of the high-strength inner layer 101 is good, it may still be eroded in some environments. The arrangement of the anti-corrosion layer 102 can effectively block the direct contact of these corrosive substances with the PVC inner layer 101, avoid the direct corrosion of the PVC inner layer 101, enhance the strength of the inner pipe layer 1, and prolong the service life of the inner pipe layer 1.

[0033] Further, the outer pipe layer 2 includes a high-strength outer layer 201, a fire-retardant layer 202 arranged on the inner wall of the high-strength outer layer 201, and a thermal insulation layer 203 arranged on the inner wall of the fire-retardant layer 202. The high-strength outer layer 201 can be PVC material, PE material or the like, and has a certain strength, rigidity and temperature resistance. The arrangement of the fire-retardant layer 202 in specific application fields such as building and fire fighting makes the water pipe meet the relevant safety standards, reduces the risk of fire, and provides important protection for personnel and property. In addition, the thermal insulation layer 203 can make the water pipe in a lower environment to avoid dew formation and improve the thermal insulation performance of the water pipe.

[0034] Further, the outer wall of the outer pipe layer 2 is provided with a plurality of anti-skid lines 4, the anti-skid lines 4 can facilitate the installer to hold the water pipe, especially when connecting pipes, tightening pipe fittings and other delicate operations, which can help the construction personnel to better control the water pipe, reduce the risk of falling, and improve the safety and stability of the operation, wherein the anti-skid lines 4 can be relatively small to prevent being too conspicuous and affecting the connection between the water pipes.

[0035] The working principle and use process of the utility model: when using the device, first, according to the environment of use, the device is installed and used, which can be indoor, outdoor or buried underground, in the process of use, the water flow is discharged through the inner pipe layer 1, and there can be certain corrosive substances in the water, at this time, the corrosion-resistant layer 102 enhances the corrosion resistance of the inner pipe layer 1 while making the water flow smoothly, avoids the corrosion of impurities to the high-strength inner layer 101, and enhances the strength of the high-strength inner layer 101, then the pressure in the external environment can come from all directions, at this time, the pressure acts on the high-strength outer layer 201, then the high-strength outer layer 201 provides a certain pressure resistance, when the pressure is too large, it will act on the middle reinforcing layer 3, and the middle reinforcing layer 3 disperses the pressure to protect the inner pipe layer 1, avoids local pressure concentration and causes damage to the inner pipe layer 1, in addition, when encountering extreme conditions such as fire or cold, the fire-retardant layer 202 can prevent burning, and the heat preservation layer 203 can assist the high-strength outer layer 201 and the high-strength inner layer 101 to enhance the heat preservation effect of the water supply pipe, prolong the service life of the water pipe.

[0036] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device that includes a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article or device.

[0037] The principle and implementation mode of the utility model are described by applying specific examples in this document, and the above examples are only used to help understand the method and core idea of the utility model. The above description is only the preferred implementation mode of the utility model, and it should be pointed out that due to the limited expression, there are infinite specific structures objectively, and for ordinary technical personnel in this technical field, without departing from the principle of the utility model, some improvements, decorations or changes can be made, and the above technical features can be combined in a proper way; these improvements, decorations, changes or combinations, or the invention concept and technical scheme without improvement are directly applied to other occasions, which should be regarded as the protection scope of the utility model.

Claims

1. A pressure-resistant heat-insulating tube, characterized by comprising: The pipe comprises an inner pipe layer (1), an outer pipe layer (2), and a middle reinforcing layer (3) arranged between the inner pipe layer (1) and the outer pipe layer (2), the inner pipe layer (1) and the outer pipe layer (2) are high-strength heat-insulating composite layers, the middle reinforcing layer (3) is spirally arranged between the inner pipe layer (1) and the outer pipe layer (2), the two ends of the inner pipe layer (1) and the outer pipe layer (2) are flush with the two ends of the middle reinforcing layer (3), and the ends are sealed to prevent moisture from penetrating between the layers.

2. The pressure-resistant insulation tube according to claim 1, characterized in that: The middle reinforcing layer (3) is two layers, and the two layers of the middle reinforcing layer (3) are tightly and staggeredly arranged in the horizontal direction.

3. The pressure-resistant insulation tube according to claim 1, characterized in that: The middle reinforcing layer (3) is woven from high-strength fiber material.

4. The pressure-resistant insulation tube according to claim 1, characterized in that: The inner pipe layer (1) comprises a high-strength inner layer (101) and a corrosion-resistant layer (102) arranged on the inner wall of the high-strength inner layer (101).

5. The pressure-resistant insulation tube according to claim 1, wherein: The outer pipe layer (2) comprises a high-strength outer layer (201), a fire-retardant layer (202) arranged on the inner wall of the high-strength outer layer (201), and a heat-insulating layer (203) arranged on the inner wall of the fire-retardant layer (202).

6. The pressure-resistant insulation tube according to claim 1, characterized in that: The outer wall of the outer pipe layer (2) is provided with a plurality of anti-skid lines (4).

Images