Double-layer PVC pipe with protection function

By designing double-layer PVC pipes and using color-developing components to determine the damage to the inner tube, the problems of easy damage, leakage and corrosion of PVC pipes during use are solved, and the protection and timely maintenance of the pipes are achieved.

CN222783180UActive Publication Date: 2025-04-22FUJIAN XIANGLONG PLASTIC CO LTD
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Patent Information

Application Number
CN202421691036.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-04-22
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

During use, PVC pipes are easily damaged and leaked due to collisions, and are easily corroded by daily chemicals, and are more likely to be damaged after long-term use, resulting in the need of a new type of PVC pipe to solve these problems.

Method used

A double-layer PVC pipe is designed, with one layer on the outside to protect the inner layer. If the inner layer is damaged, the outer layer can be observed, and the damage of the inner tube can be judged by the color-developing components (including transparent sheets, sponge blocks, toner powder and through holes).

Benefits of technology

It is realized to prevent leakage at the pipe connection, and to protect the inner layer from bumps and direct sunlight through the outer layer to accelerate aging. At the same time, the damage of the inner tube can be judged in a timely manner through changes in the color development component to ensure timely repair or replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) pipes, in particular to a double-layer PVC pipe with a protection function, which comprises an inner pipe and an outer pipe, the inner pipe is fixedly connected inside the outer pipe, a color developing component is arranged between the inner pipe and the outer pipe and comprises a transparent sheet, a sponge block, color blocking powder and through holes, the outer pipe is provided with two through holes, and the transparent sheet is fixedly connected with the outer pipe through the sponge block. The two transparent pieces are fixedly connected to the interiors of the two through holes respectively, the two sponge blocks are fixedly connected to the inner pipe, the ends of the two sponge blocks are located in the two through holes respectively, and the color blocking powder is located between the two transparent pieces and the two sponge blocks. The pipe can be divided into two layers, the outer layer can protect the inner layer, and if the inner layer is damaged, the damage can be observed from the outer layer.
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Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipes, in particular to a double-layer PVC pipe with a protective function. Background Art

[0002] PVC pipes are common plastic pipes in daily life. Compared with metal pipes, this type of pipe has lower cost and is easier to produce, so it is more common in daily life.

[0003] However, the hardness and strength of PVC pipes are not as good as those of metal pipes. They may be damaged by collisions during use, causing leakage. Some daily chemical products will corrode PVC pipes. PVC pipes are more likely to be damaged after being used for a long time. Therefore, a new type of PVC pipe is needed to solve the problem. Utility Model Content

[0004] In order to solve the above technical problems, the utility model proposes a double-layer PVC pipe with protective function, which can divide the pipe into two layers. The outer layer can protect the inner layer, and if the inner layer is damaged, it can also be observed on the outer layer.

[0005] The technical solution to achieve the purpose of the utility model is: a double-layer PVC pipe with a protective function, comprising an inner tube and an outer tube, the inner tube is fixedly connected to the inside of the outer tube, a color development component is arranged between the inner tube and the outer tube, the color development component comprises a transparent sheet, a sponge block, a color blocking powder and a through hole, two through holes are opened on the outer tube, two transparent sheets are respectively fixedly connected to the inside of the two through holes, two sponge blocks are fixedly connected to the inner tube, and the ends of the two sponge blocks are respectively located in the inside of the two through holes, and the color blocking powder is located between the two transparent sheets and the two sponge blocks.

[0006] Preferably, both ends of the inner tube are fixedly connected with rubber rings, and the two rubber rings are symmetrically distributed.

[0007] Preferably, a groove is formed at one end of the inner tube, and an insertion rod is fixedly connected to the other end of the inner tube, and the insertion rod is adapted to the groove.

[0008] Preferably, three grooves and three insertion rods are provided, and the three grooves and the three insertion rods are distributed at both ends of the inner tube in a circular array.

[0009] Preferably, the two transparent sheets are respectively located at two ends of the outer tube, and the pores on the two sponge blocks are small.

[0010] Preferably, the two sponge blocks are colored, the color blocking powder is white, and the transparent sheet is made of acrylic.

[0011] Compared with the prior art, the utility model has the following significant advantages:

[0012] First: In the utility model, multiple pipes are connected together in sequence, and the insertion rod on one pipe is inserted into the groove on another pipe to connect the two pipes together. When the two pipes are connected together, the two rubber rings on the two pipes will press together, so that the connection between the two pipes will not leak. During the use of the pipes, the outer tube of the outer layer can protect the inner tube of the inner layer to prevent the inner tube from being directly bumped. When the pipes are installed outdoors, the outer tube can also protect the inner tube from direct sunlight, avoiding accelerated aging of the inner tube material due to direct sunlight.

[0013] Second: In the utility model, when the inner tube is damaged due to corrosion or the like, the water in the inner tube will leak into the interlayer between the inner tube and the outer tube, and the sponge block will gradually be soaked. The color-blocking powder is a powder that is easily soluble in water. When the sponge block is soaked, the color-blocking powder will gradually dissolve. At this time, the disappearance of the color-blocking powder can be observed from the transparent sheet, and the color of the sponge block can be observed. At this time, it can be determined that the inner tube is damaged and needs to be repaired or replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the outer tube and the transparent sheet in the utility model;

[0017] Figure 3 It is a cross-sectional view of the internal structure of the utility model;

[0018] Figure 4 This utility model Figure 3 An enlarged view of the structure of part A is shown.

[0019] Description of reference numerals:

[0020] 1. Inner tube; 2. Outer tube; 3. Rubber ring; 4. Groove; 5. Insert rod; 6. Color developing component; 61. Transparent sheet; 62. Sponge block; 63. Color blocking powder; 64. Through hole. DETAILED DESCRIPTION

[0021] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0022] The utility model provides a double-layer PVC pipe with protective function through improvement. The technical solution of the utility model is:

[0023] like Figure 1-Figure 4 As shown, a double-layer PVC pipe with a protective function includes an inner tube 1 and an outer tube 2, the inner tube 1 is fixedly connected to the inside of the outer tube 2, a color developing component 6 is arranged between the inner tube 1 and the outer tube 2, the color developing component 6 includes a transparent sheet 61, a sponge block 62, a color blocking powder 63 and a through hole 64, two through holes 64 are opened on the outer tube 2, two transparent sheets 61 are fixedly connected to the inside of the two through holes 64 respectively, two sponge blocks 62 are fixedly connected to the inner tube 1, and the ends of the two sponge blocks 62 are respectively located in the inside of the two through holes 64, the color blocking powder 63 is located between the two transparent sheets 61 and the two sponge blocks 62, the color blocking powder 63 can be observed from the transparent sheet 61, and when there is water between the inner tube 1 and the outer tube 2, the sponge block 62 will be soaked, and then the color blocking powder 63 will be dissolved in the water, at this time, the color blocking powder 63 cannot be observed at the transparent sheet 61, and at this time, it can be judged that the inner tube 1 is damaged.

[0024] Furthermore, both ends of the inner tube 1 are fixedly connected with rubber rings 3, the two rubber rings 3 are symmetrically distributed, and the rubber rings 3 are made of corrosion-resistant rubber.

[0025] Furthermore, a groove 4 is formed at one end of the inner tube 1 , and an insertion rod 5 is fixedly connected to the other end of the inner tube 1 , and the insertion rod 5 is adapted to the groove 4 .

[0026] Furthermore, three grooves 4 and three insertion rods 5 are provided, and the three grooves 4 and the three insertion rods 5 are respectively distributed in a circular array at both ends of the inner tube 1. The insertion rod 5 is made of metal and has a certain elasticity. Therefore, when connecting two pipes, the insertion rod 5 will first deform to insert into the groove 4. After the insertion rod 5 is inserted into the groove 4, its barb structure will make the insertion rod 5 restore its shape in the groove 4, so that the insertion rod 5 is stuck in the groove 4 to achieve a fixed connection between the two pipes.

[0027] Furthermore, the two transparent sheets 61 are respectively located at the two ends of the outer tube 2, and the pores on the two sponge blocks 62 are small. The pores on the sponge blocks 62 are small enough to ensure that the color blocking powder 63 will not enter the pores of the sponge blocks 62 in large quantities, so that the sponge blocks 62 can fix the color blocking powder 63. However, when the inner tube 1 is damaged and the water in the inner tube 1 seeps out, the sponge blocks 62 will gradually be soaked. At this time, the soaked sponge blocks 62 will transfer water, causing the color blocking powder 63 to gradually dissolve.

[0028] Furthermore, the two sponge blocks 62 are colored, the color blocking powder 63 is white, and the transparent sheet 61 is made of acrylic material.

[0029] The specific working method is: when installing the pipes, connect the multiple pipes together in sequence, insert the insertion rod 5 on one pipe into the groove 4 on another pipe, and then the two pipes can be connected together. When the two pipes are connected together, the two rubber rings 3 on the two pipes will be pressed together, so that the connection between the two pipes will not leak. During the use of the pipes, the outer tube 2 of the outer layer can protect the inner tube 1 of the inner layer, preventing the inner tube 1 from being directly bumped. When the pipes are installed outdoors, the outer tube 2 can also prevent the inner tube 1 from being Direct sunlight can prevent the material of the inner tube 1 from aging faster due to direct sunlight. When the inner tube 1 is damaged due to corrosion or the like, the water in the inner tube 1 will seep into the interlayer between the inner tube 1 and the outer tube 2, and the sponge block 62 will gradually be soaked. The color-blocking powder 63 is a powder that is easily soluble in water. When the sponge block 62 is soaked, the color-blocking powder 63 will gradually dissolve. At this time, the disappearance of the color-blocking powder 63 can be observed from the transparent sheet 61, and the color of the sponge block 62 can be observed. At this time, it can be determined that the inner tube 1 is damaged and needs to be repaired or replaced.

[0030] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A double-layer PVC pipe with protective function, comprising an inner pipe (1) and an outer pipe (2), characterized in that: The inner tube (1) is fixedly connected to the inside of the outer tube (2); a color developing component (6) is arranged between the inner tube (1) and the outer tube (2); the color developing component (6) comprises a transparent sheet (61), a sponge block (62), a color blocking powder (63) and a through hole (64); two through holes (64) are provided on the outer tube (2); the two transparent sheets (61) are respectively fixedly connected to the inside of the two through holes (64); the two sponge blocks (62) are fixedly connected to the inner tube (1); the ends of the two sponge blocks (62) are respectively located inside the two through holes (64); and the color blocking powder (63) is located between the two transparent sheets (61) and the two sponge blocks (62).

2. The double-layer PVC pipe with protective function according to claim 1, characterized in that: Both ends of the inner tube (1) are fixedly connected with rubber rings (3), and the two rubber rings (3) are symmetrically distributed.

3. The double-layer PVC pipe with protective function according to claim 1, characterized in that: One end of the inner tube (1) is provided with a groove (4), and the other end of the inner tube (1) is fixedly connected with an insertion rod (5), and the insertion rod (5) is adapted to the groove (4).

4. The double-layer PVC pipe with protective function according to claim 3, characterized in that: The grooves (4) and the insertion rods (5) are each provided in three numbers, and the three grooves (4) and the three insertion rods (5) are respectively distributed at both ends of the inner tube (1) in a ring array.

5. The double-layer PVC pipe with protective function according to claim 1, characterized in that: The two transparent sheets (61) are respectively located at the two ends of the outer tube (2), and the pores on the two sponge blocks (62) are small.

6. The double-layer PVC pipe with protective function according to claim 1, characterized in that: The two sponge blocks (62) are colorful, the color blocking powder (63) is white, and the transparent sheet (61) is made of acrylic material.