Corrosion-resistant aluminum plastic pipe

Abstract

The utility model relates to the technical field of aluminum-plastic composite pipe design, and discloses a corrosion-resistant aluminum-plastic composite pipe which comprises an aluminum-plastic composite pipe body and a warm-keeping pipe sleeve wrapping the aluminum-plastic composite pipe body, and a long-strip-shaped opening is formed in the side edge of the warm-keeping pipe sleeve. The warm-keeping pipe sleeve comprises three warm-keeping sponge layers wrapping the aluminum-plastic pipe body and an aluminum foil warm-keeping layer bonded to the outer wall of the outermost warm-keeping sponge layer, a plurality of adhesive points evenly distributed in the extending direction of the warm-keeping pipe sleeve at intervals are arranged among the three warm-keeping sponge layers, and an extending part is integrally arranged on the side, located on the long-strip-shaped opening, of the aluminum foil warm-keeping layer. An adhesive layer used for being adhered to the outer wall of the aluminum foil heat preservation layer is arranged on the inner wall of the extending part, and a release film is arranged on the outer wall of the adhesive layer. When the warm-keeping pipe sleeve needs to be disassembled, the warm-keeping pipe sleeve can be disassembled from the aluminum-plastic pipe body along the long-strip-shaped opening only by uncovering the extending part, and finally convenient and fast disassembly and assembly of the warm-keeping pipe sleeve can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminium -plastic pipe design technical field, and particularly relates to a kind of corrosion-resistant aluminium-plastic pipe. BACKGROUND

[0002] Aluminium-plastic pipe is a new type of pipeline by middle longitudinal welded aluminium pipe, inner and outer layer polyethylene plastic and hot melt adhesive co-extrusion composite between layers.

[0003] At present, the Chinese patent with publication number CN222122422U and publication date December 6, 2024 discloses a double-layer heat preservation aluminium-plastic pipe, which comprises an aluminium-plastic pipe body, a heat preservation assembly sleeved on the peripheral side of the aluminium-plastic pipe body, the heat preservation assembly comprises a plurality of mounting rings sleeved on the aluminium-plastic pipe body, a plurality of heat preservation pipes arranged between adjacent two mounting rings, a locking structure arranged in the middle of the mounting ring for pressing on the peripheral side of the aluminium-plastic pipe body, annular embedding pipes provided on both sides of the mounting ring for embedding the end of the heat preservation pipe, and a through groove extending along the length direction of the heat preservation pipe is arranged on the peripheral side of the heat preservation pipe; a plurality of mounting grooves arranged in a circumferential array are arranged on the inner side of the middle of the mounting ring, a plurality of countersunk holes communicating with the mounting grooves are arranged on the peripheral side of the middle of the mounting ring, the locking structure comprises a plurality of arc-shaped pressing pieces embedded in the mounting grooves and fixed by friction, a plurality of locking countersunk bolts threadedly connected at the countersunk holes and abutting against one end of the arc-shaped pressing pieces, and the arc-shaped pressing pieces are used for abutting against the peripheral side of the aluminium-plastic pipe body.

[0004] The double-layer heat preservation aluminium-plastic pipe uses the heat preservation pipe to pass through the aluminium-plastic pipe body, so as to achieve the heat preservation effect of the heat preservation pipe on the aluminium-plastic pipe body, but when the aluminium-plastic pipe body passes into the heat preservation pipe, it is very inconvenient to operate due to the friction; when the heat preservation pipe needs to be replaced, the heat preservation pipe can only be disassembled by damaging the heat preservation pipe because the aluminium-plastic pipe body has been installed in the pipe network, which is not conducive to the convenient replacement of the heat preservation pipe. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a corrosion-resistant aluminium-plastic pipe, which is convenient for the disassembly and assembly of the heat preservation pipe sleeve.

[0006] The utility model discloses a above-mentioned technical purpose is through following technical scheme can be realized: a kind of corrosion-resistant aluminium plastic pipe, including aluminium plastic pipe body and the warm pipe cover of wrapping in the aluminium plastic pipe body outside, the side of the warm pipe cover is equipped with long strip mouth, the warm pipe cover includes three layers of warm sponge layer that wrapping in the aluminium plastic pipe body outside, aluminium foil warm layer that is adhered on the outer wall of outermost warm sponge layer, a plurality of gluey point that are evenly spaced along the extension direction of warm pipe cover are provided between three layers of warm sponge layer, the aluminium foil warm layer is integrally provided with extension on one side of long strip mouth, gluey layer for being adhered on the outer wall of aluminium foil warm layer is provided on the inner wall of extension, release film is provided on the outer wall of gluey layer.

[0007] The utility model further provides that: it further include the electric heat tracing band of adhering on the outer wall of aluminium plastic pipe body.

[0008] The utility model further provides that: three layers of warm sponge layer are all equipped with first long slot for electric heat tracing band to pass through at the position of long strip mouth.

[0009] The utility model further provides that: three layers of warm sponge layer are all equipped with second long slot at the position away from long strip mouth.

[0010] The utility model further provides that: the aluminium plastic pipe body includes the first three polypropylene layer of being located in inner layer, the aluminium pipe layer of being located in middle layer, the second three polypropylene layer of being located in outer layer.

[0011] The utility model further provides that: the outer wall of aluminium plastic pipe body is further coated with epoxy paint layer.

[0012] In conclusion, the utility model has the following beneficial effects:

[0013] 1. utilize the long strip mouth of the side of warm pipe cover, along long strip mouth position can open warm pipe cover, then aluminium plastic pipe body can pass through long strip mouth and enter warm pipe cover, wherein tear release film on gluey layer, then extension can be adhered and wrapped in aluminium foil warm layer outside, at this moment, warm pipe cover can be used to the stable, convenient wrapping of aluminium plastic pipe body, when needing to disassemble warm pipe cover, only need to open extension, and then warm pipe cover can be disassembled along long strip mouth to aluminium plastic pipe body, finally, the convenient disassembly of warm pipe cover can be realized.

[0014] The warm pipe cover includes three layers of warm sponge layer and aluminium foil warm layer, since aluminium foil can reflect internal heat, reduce heat loss, thereby play efficient heat preservation effect, and aluminium foil also has good corrosion resistance, so that the corrosion protection of aluminium plastic pipe body can be carried out.

[0015] Meanwhile, the plurality of evenly spaced adhesive points arranged between the three layers of thermal sponge layers along the extension direction of the thermal sleeve can stably connect the three layers of thermal sponge layers and facilitate the tearing and separation of the three layers of thermal sponge layers, and when the aluminum-plastic pipe body with different pipe diameters is encountered, the number of thermal sponge layers in the aluminum foil thermal layer can be changed to adapt to the aluminum-plastic pipe body with different pipe diameters.

[0016] 2. The electric heating tape attached to the outer wall of the aluminum-plastic pipe body can supply heat to the aluminum-plastic pipe body when electrified, so that the aluminum-plastic pipe body can be prevented from being frozen in extremely cold environments.

[0017] 3. The first long slot is arranged at the position of the long slot of the three layers of thermal sponge layers, and the electric heating tape can pass through the first long slot, so that the position of the electric heating tape is positioned through the first long slot, and the electric heating tape is quickly disassembled after the long slot is opened.

[0018] 4. The second long slot is arranged at the position away from the long slot of the three layers of thermal sponge layers, and the second long slot and the first long slot can simultaneously pass through two electric heating tapes, so as to meet the heating demand of different low-temperature environments.

[0019] 5. The aluminum-plastic pipe body comprises a first three-polypropylene layer in the inner layer, an aluminum pipe layer in the middle layer, and a second three-polypropylene layer in the outer layer, and the three-polypropylene material has good corrosion resistance, so as to improve the corrosion resistance of the aluminum-plastic pipe body.

[0020] 6. The outer wall of the aluminum-plastic pipe body is further coated with an epoxy paint layer, and the epoxy paint layer can further improve the corrosion resistance of the aluminum-plastic pipe body. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 is a structural schematic diagram of the present application;

[0023] Figure 2 is a cross-sectional view of the aluminum-plastic pipe body in the present application;

[0024] Figure 3 is a plan view of the present application;

[0025] Figure 4 is the development view of the warm sponge layer in the utility model.

[0026] In the figure, 1, aluminum plastic pipe body; 11, first three polypropylene layer; 12, aluminum pipe layer; 13, second three polypropylene layer; 2, warm pipe sleeve; 201, long strip opening; 21, warm sponge layer; 211, mucilage point; 22, aluminum foil warm layer; 221, extension; 222, adhesive layer; 223, release film; 3, electric heat tracing band; 4, first long strip groove; 5, second long strip groove; 6, epoxy paint layer. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] A kind of corrosion-resistant aluminum plastic pipe, refer to Figure 1 、 Figure 2 The corrosion-resistant aluminum plastic pipe includes aluminum plastic pipe body 1, warm pipe sleeve 2 and electric heat tracing band 3, wherein the aluminum plastic pipe body 1 includes the first three polypropylene layer 11 in inner layer, the aluminum pipe layer 12 in middle layer, the second three polypropylene layer 13 in outer layer, while epoxy paint layer 6 is coated on the outer wall of aluminum plastic pipe body 1;And warm pipe sleeve 2 is wrapped in aluminum plastic pipe body 1 outer, wherein long strip opening 201 is formed at the side of warm pipe sleeve 2.

[0029] Refer to Figure 1 、 Figure 3 、 Figure 4 The warm pipe sleeve 2 includes three layers of warm sponge layer 21 wrapped outside the aluminum plastic pipe body 1, aluminum foil warm layer 22 bonded on the outer wall of the outermost warm sponge layer 21, wherein a plurality of mucilage points 211 are arranged between the three layers of warm sponge layer 21, and the plurality of mucilage points 211 are uniformly and interval distributed along the extension direction of the warm pipe sleeve 2, the bonding connection between the adjacent two layers of warm sponge layer 21 is realized by the mucilage points 211, while the aluminum foil warm layer 22 is integrally provided with the extension 221 on one side of the long strip opening 201, the adhesive layer 222 for bonding on the outer wall of the aluminum foil warm layer 22 is arranged on the inner wall of the extension 221, and the release film 223 is bonded on the outer wall of the adhesive layer 222.

[0030] Refer to Figure 1 、 Figure 3The electric heat tracing band 3 is attached to the outer wall of the aluminum plastic pipe body 1, wherein the three-layer warm sponge layer 21 at the position of the long slot opening 201 is provided with a first long slot 4 for the electric heat tracing band 3 to pass through, and the three-layer warm sponge layer 21 at the position away from the long slot opening 201 is provided with a second long slot 5.

[0031] Principle: The long slot opening 201 is provided at the side edge of the warm pipe sleeve 2, and the warm pipe sleeve 2 can be opened along the position of the long slot opening 201. Then the aluminum plastic pipe body 1 can pass through the long slot opening 201 and enter the warm pipe sleeve 2. Then the release film 223 on the adhesive layer 222 is torn off, and then the extension part 221 can be bonded and wrapped outside the aluminum foil warm layer 22 through the adhesive layer 222. At this time, the aluminum plastic pipe body 1 can be stably and conveniently wrapped by the warm pipe sleeve 2. When it is necessary to disassemble the warm pipe sleeve 2, only the extension part 221 needs to be removed, and then the warm pipe sleeve 2 and the aluminum plastic pipe body 1 can be disassembled along the long slot opening 201. Finally, the convenient disassembly of the warm pipe sleeve 2 can be realized.

[0032] The warm pipe sleeve 2 includes a three-layer warm sponge layer 21 and an aluminum foil warm layer 22. Since the aluminum foil can reflect internal heat and reduce heat loss, it has high efficient heat preservation effect. At the same time, the aluminum foil also has good corrosion resistance, so it can provide corrosion protection for the aluminum plastic pipe body 1.

[0033] At the same time, the plurality of glue points 211 uniformly and intermittently distributed along the extension direction of the warm pipe sleeve 2 are arranged between the three-layer warm sponge layer 21. The uniformly and intermittently distributed glue points 211 can stably connect the three-layer warm sponge layer 21 while facilitating the tearing and separation of the three-layer warm sponge layer 21. When the aluminum plastic pipe body 1 with different diameters is encountered, the number of warm sponge layers 21 in the aluminum foil warm layer 22 can be changed to adapt to the aluminum plastic pipe body 1 with different diameters.

Claims

1. A corrosion-resistant aluminum-plastic pipe comprising an aluminum-plastic pipe body (1) and a thermal insulation pipe cover (2) wrapped outside the aluminum-plastic pipe body (1), characterized in that: The side edge of the warm pipe sleeve (2) is provided with a long slot (201), the warm pipe sleeve (2) comprises three layers of warm sponge layers (21) wrapped outside the aluminum plastic pipe body (1), an aluminum foil warm layer (22) adhered to the outer wall of the outermost warm sponge layer (21), a plurality of adhesive points (211) evenly distributed along the extension direction of the warm pipe sleeve (2) are arranged between the three layers of warm sponge layers (21), the aluminum foil warm layer (22) is integrally provided with an extension part (221) on one side of the long slot (201), a glue layer (222) for adhering to the outer wall of the aluminum foil warm layer (22) is arranged on the inner wall of the extension part (221), and a release film (223) is arranged on the outer wall of the glue layer (222).

2. The corrosion-resistant aluminum-plastic pipe according to claim 1, characterized in that: An electric heat tracing band (3) is further attached to the outer wall of the aluminum plastic pipe body (1).

3. The corrosion-resistant aluminum-plastic pipe according to claim 2, characterized in that: The three layers of warm sponge layers (21) are each provided with a first long slot (4) for the electric heat tracing band (3) to pass through at the position of the long slot (201).

4. The corrosion-resistant aluminum-plastic pipe according to claim 3, characterized in that: The three layers of warm sponge layers (21) are each provided with a second long slot (5) at a position away from the long slot (201).

5. The corrosion-resistant aluminum-plastic pipe according to claim 1, characterized in that: The aluminum plastic pipe body (1) comprises a first three-polypropylene layer (11) in the inner layer, an aluminum pipe layer (12) in the middle layer, and a second three-polypropylene layer (13) in the outer layer.

6. The corrosion-resistant aluminum-plastic pipe according to claim 1, characterized in that: An epoxy paint layer (6) is further coated on the outer wall of the aluminum plastic pipe body (1).

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