High-temperature-resistant flame-retardant PVC pipe

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) pipes, and provides a high-temperature-resistant flame-retardant PVC pipe which comprises a main body and a reinforcing pipe, a reinforcing pipe is arranged on the inner wall of the main body, a connecting structure is installed on the outer side of the main body, clamping grooves are evenly formed in the inner wall of the main body, clamping blocks are evenly arranged on the outer wall of the reinforcing pipe, and a protection structure is arranged on the outer wall of the main body. The connecting structure is arranged, the connecting block and the protruding block are arranged on one side of the limiting groove through the groove in the splicing process, the second mounting plate is rotated to enable the protruding block to be arranged in the limiting groove when the connecting block and the protruding block reach the designated position, then a clamping structure is formed to achieve positioning, splicing is convenient, and disengaging is not prone to occurring. And in the dismounting process, a second mounting plate is reversely rotated, so that a connecting block and a convex block are arranged in a groove and are conveniently taken out, and the purpose of conveniently splicing and using the PVC pipe is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipes, in particular to a high-temperature resistant and flame-retardant PVC pipe. Background Art

[0002] With the development of the times, the use of new materials is becoming more and more widespread, and PVC material is favored by users because of its high output, low price and good performance. In the process of using PVC materials, compared with metal pipes, PVC pipes are not easy to rust and are relatively easy to install and maintain, thus meeting the actual needs of users. In order to avoid damage to the pipes during use, high temperature resistant and flame retardant PVC pipes are needed.

[0003] During use, PVC pipes need to be assembled according to actual use requirements, but the assembly of traditional PVC pipes is not convenient and effective during actual use, which makes them have certain limitations in use. Utility Model Content

[0004] The utility model aims to provide a high temperature resistant flame retardant PVC pipe, so as to solve the defect that the existing high temperature resistant flame retardant PVC pipe is inconvenient to assemble.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a high temperature resistant flame retardant PVC pipe, comprising a main body and a reinforcement pipe;

[0006] A reinforcement tube is provided on the inner wall of the main body, and a connection structure is installed on the outer side of the main body;

[0007] The connection structure includes a No. 1 mounting plate, a No. 2 mounting plate, a groove, a limiting groove, a connecting block and a protrusion. The No. 1 mounting plate is installed on the outside of the main body, and the No. 2 mounting plate is installed on the side of the main body away from the No. 1 mounting plate. One side of the No. 1 mounting plate is evenly provided with grooves, and one side of the inner groove of the No. 1 mounting plate is provided with a limiting groove. One side of the No. 2 mounting plate is evenly provided with connecting blocks, and one side of the connecting blocks is provided with a protrusion;

[0008] The inner wall of the main body is evenly provided with clamping grooves, the outer wall of the reinforcement tube is evenly provided with clamping blocks, and the outer wall of the main body is provided with a protective structure.

[0009] Preferably, the grooves are distributed at equal intervals on one side of the No. 1 mounting plate, and the connecting blocks are distributed at equal intervals on one side of the No. 2 mounting plate.

[0010] Preferably, the protrusions are all arranged inside the limiting grooves, and the connecting blocks and the limiting grooves form a snap-fit ​​structure through the protrusions.

[0011] Preferably, the clamping grooves are distributed at equal intervals on the inner wall of the main body, and the clamping blocks are distributed at equal intervals on the outer wall of the reinforcement tube.

[0012] Preferably, the clamping blocks are all arranged inside the clamping grooves, and the reinforcing tube and the clamping groove form a clamping structure through the clamping blocks.

[0013] Preferably, the protective structure includes an insulating layer, a heat-resistant layer, an adhesive layer and a flame-retardant layer, the insulating layer is arranged on the outer wall of the main body, the heat-resistant layer is arranged on the outside of the insulating layer, the adhesive layer is arranged on the outside of the heat-resistant layer, and the flame-retardant layer is arranged on the outside of the adhesive layer.

[0014] Preferably, the adhesive layer is a hot melt adhesive layer, and the flame retardant layer is a polyvinyl chloride layer.

[0015] The high temperature resistant and flame retardant PVC pipe provided by the utility model has the following advantages:

[0016] By providing a connecting structure, during the assembly process, the connecting block and the protrusion are placed on one side of the limiting groove through the groove, and when reaching the specified position, the No. 2 mounting plate is rotated so that the protrusion is placed inside the limiting groove, thereby forming a snap-fit ​​structure to achieve positioning, making it easy to assemble and not prone to falling off. During the disassembly process, the No. 2 mounting plate is rotated in the opposite direction so that the connecting block and the protrusion are placed inside the groove for easy removal, thereby achieving the purpose of facilitating the assembly and use of the PVC pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0019] Figure 3 It is a side view three-dimensional structure schematic diagram of the utility model;

[0020] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0021] Figure 5 It is a side cross-sectional structural schematic diagram of the utility model.

[0022] Explanation of the reference numerals in the figure: 1. Main body; 2. Reinforcement tube; 3. Connection structure; 301. Mounting plate No. 1; 302. Mounting plate No. 2; 303. Groove; 304. Limiting groove; 305. Connection block; 306. Protrusion; 4. Snap-in groove; 5. Snap-in block; 6. Protection structure; 601. Insulation layer; 602. Heat-resistant layer; 603. Adhesive layer; 604. Flame-retardant layer. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 5 The high temperature resistant and flame retardant PVC pipe provided by the utility model comprises a main body 1 and a reinforcing pipe 2.

[0025] Reference Figure 1-Figure 4 As shown, a reinforcing tube 2 is arranged on the inner wall of the main body 1, and a connecting structure 3 is installed on the outer side of the main body 1. The connecting structure 3 includes a No. 1 mounting plate 301, a No. 2 mounting plate 302, a groove 303, a limiting groove 304, a connecting block 305 and a protrusion 306. The No. 1 mounting plate 301 is installed on the outer side of the main body 1, and the No. 2 mounting plate 302 is installed on the side of the main body 1 away from the No. 1 mounting plate 301. The grooves 303 are evenly opened on one side of the No. 1 mounting plate 301. The No. 1 mounting plate 303 is provided on the outer side of the main body 1. A limiting groove 304 is provided on one side of the inner groove 303 of No. 01, a connecting block 305 is evenly arranged on one side of the No. 2 mounting plate 302, a protrusion 306 is arranged on one side of the connecting block 305, the grooves 303 are evenly distributed on one side of the No. 1 mounting plate 301, the connecting blocks 305 are evenly distributed on one side of the No. 2 mounting plate 302, the protrusions 306 are all arranged inside the limiting groove 304, and the connecting blocks 305 and the limiting groove 304 form a locking structure through the protrusions 306.

[0026] PVC pipes play an important role in many fields such as construction, industry, agriculture, electricity and communications. In actual use, it may be necessary to assemble the pipes for use in order to meet the needs. However, traditional PVC pipes are difficult to assemble conveniently, and thus have certain limitations in the process of use. By providing a connecting structure 3, the device is easy to assemble and use by the engaging structure composed of the connecting block 305 and the limiting groove 304 through the protrusion 306, and it is not easy to fall off during use, thereby greatly increasing the functionality of the device.

[0027] Reference Figure 1 , Figure 2 and Figure 5As shown, the inner wall of the main body 1 is evenly provided with snap-in grooves 4, the outer wall of the reinforcing tube 2 is evenly provided with snap-in blocks 5, the outer wall of the main body 1 is provided with a protective structure 6, the snap-in grooves 4 are evenly distributed on the inner wall of the main body 1, the snap-in blocks 5 are evenly distributed on the outer wall of the reinforcing tube 2, the snap-in blocks 5 are all arranged inside the snap-in grooves 4, the reinforcing tube 2 and the snap-in grooves 4 form a snap-in structure through the snap-in blocks 5, so that the reinforcing tube 2 is easy to be positioned and installed through the snap-in structure, so as to facilitate the reinforcement of the PVC tube, so that the device is not easy to be damaged during use.

[0028] The protective structure 6 includes an insulating layer 601, a heat-resistant layer 602, an adhesive layer 603 and a flame-retardant layer 604. The insulating layer 601 is arranged on the outer wall of the main body 1, the heat-resistant layer 602 is arranged on the outside of the insulating layer 601, the adhesive layer 603 is arranged on the outside of the heat-resistant layer 602, and the flame-retardant layer 604 is arranged on the outside of the adhesive layer 603. The adhesive layer 603 is a hot-melt adhesive layer, and the flame-retardant layer 604 is a polyvinyl chloride layer.

[0029] In the process of using PVC pipes, in order to meet the actual use needs, it is necessary to enhance its protective performance, so that it is not easy to be damaged during long-term use, thereby affecting the overall use effect. Therefore, by providing a protective structure 6, the heat-resistant layer 602 and the flame-retardant layer 604 have the effect of heat resistance and flame retardancy for the PVC pipe as a whole, and an insulating layer 601 is provided on the inner side thereof to prevent the normal operation of the equipment inside the pipe, thereby greatly increasing the functionality of the device.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high temperature resistant and flame retardant PVC tube, comprising a main body (1) and a reinforcement tube (2); Features: A reinforcing tube (2) is provided on the inner wall of the main body (1), and a connecting structure (3) is installed on the outer side of the main body (1); The connection structure (3) comprises a first mounting plate (301), a second mounting plate (302), a groove (303), a limiting groove (304), a connection block (305) and a protrusion (306); the first mounting plate (301) is mounted on the outer side of the main body (1); the second mounting plate (302) is mounted on a side of the main body (1) away from the first mounting plate (301); the groove (303) is evenly provided on one side of the first mounting plate (301); the limiting groove (304) is provided on one side of the groove (303) inside the first mounting plate (301); the connection block (305) is evenly provided on one side of the second mounting plate (302); and the protrusion (306) is provided on one side of the connection block (305); The inner wall of the main body (1) is evenly provided with snap-fit ​​grooves (4), the outer wall of the reinforcing tube (2) is evenly provided with snap-fit ​​blocks (5), and the outer wall of the main body (1) is provided with a protective structure (6).

2. The high temperature resistant flame retardant PVC pipe according to claim 1, characterized in that: The grooves (303) are distributed at equal intervals on one side of the first mounting plate (301), and the connection blocks (305) are distributed at equal intervals on one side of the second mounting plate (302).

3. The high temperature resistant flame retardant PVC pipe according to claim 1, characterized in that: The protrusions (306) are all arranged inside the limiting grooves (304), and the connection blocks (305) and the limiting grooves (304) are both connected to form a snap-fit ​​structure through the protrusions (306).

4. The high temperature resistant flame retardant PVC pipe according to claim 1, characterized in that: The clamping grooves (4) are distributed at equal intervals on the inner wall of the main body (1), and the clamping blocks (5) are distributed at equal intervals on the outer wall of the reinforcing tube (2).

5. The high temperature resistant flame retardant PVC pipe according to claim 1, characterized in that: The clamping blocks (5) are all arranged inside the clamping grooves (4), and the reinforcing tube (2) and the clamping grooves (4) form a clamping structure through the clamping blocks (5).

6. The high temperature resistant flame retardant PVC pipe according to claim 1, characterized in that: The protective structure (6) comprises an insulating layer (601), a heat-resistant layer (602), an adhesive layer (603) and a flame-retardant layer (604); the insulating layer (601) is arranged on the outer wall of the main body (1); the heat-resistant layer (602) is arranged on the outer side of the insulating layer (601); the adhesive layer (603) is arranged on the outer side of the heat-resistant layer (602); and the flame-retardant layer (604) is arranged on the outer side of the adhesive layer (603).

7. The high temperature resistant flame retardant PVC pipe according to claim 6, characterized in that: The adhesive layer (603) is a hot melt adhesive layer, and the flame retardant layer (604) is a polyvinyl chloride layer.

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