High temperature and ageing resistant pvc industrial hose

Abstract

This utility model provides a high-temperature resistant and anti-aging PVC industrial hose, relating to the field of industrial hose technology, including: a first PVC hose and a docking structure; a second PVC hose is provided at one end of the first PVC hose, and a docking structure is provided at the end of the first PVC hose and the second PVC hose close to each other, characterized in that: the docking structure includes the following components: a first connecting sleeve: fixedly connected to one outer end of the first PVC hose, and a male connector is fixedly connected to the outer side of the first connecting sleeve; a second connecting sleeve: fixedly connected to one outer end of the second PVC hose, and a female connector is fixedly connected to the outer side of the second connecting sleeve; docking holes: formed at both ends of the male connector and the female connector. By setting the docking structure, the traditional glue sealing ring connection method is replaced, completely solving the problem of sealing failure under high temperature environment. At the same time, this docking method is convenient to operate, without waiting for the glue to cure. When disassembling, only the clamping device needs to be released to separate the hose, avoiding pipe material damage caused by glue residue.

Description

Technical Field

[0001] This utility model belongs to the field of industrial hose technology, and more specifically, it relates to high-temperature resistant and anti-aging PVC industrial hoses. Background Technology

[0002] Polyvinyl chloride (PVC) industrial hoses are widely used in fluid and gas transportation in many industrial sectors, including chemical, food, and construction, due to their low cost, good flexibility, and excellent chemical resistance. As industrial production moves towards harsher conditions such as high temperature, high pressure, and complex media, higher demands are placed on the high-temperature resistance, aging resistance, and connection reliability of PVC industrial hoses. Although existing technologies have improved the high-temperature resistance and aging resistance of PVC industrial hoses to some extent through raw material modification and structural optimization, many problems still need to be solved regarding connections.

[0003] Based on the above, existing PVC industrial hoses mostly rely on adhesive bonding and rubber sealing rings for connection. However, high temperatures accelerate adhesive aging and reduce viscosity, while also causing the rubber sealing rings to harden and lose elasticity, resulting in gaps at the connection and causing media leakage. Utility Model Content

[0004] To address the aforementioned technical problems, this disclosure relates to a high-temperature resistant and anti-aging PVC industrial hose. This addresses the issue that existing PVC industrial hoses rely heavily on adhesive bonding and rubber sealing rings for connection, which can lead to adhesive aging and hardening of the sealing rings under high temperatures, resulting in gaps at the connection. By incorporating a butt joint structure between two sets of PVC industrial hoses, the male and female plugs are positioned and assembled through the cooperation of a pin and a limiting ring, replacing the traditional adhesive sealing ring connection method. This completely solves the sealing failure problem under high-temperature conditions. Furthermore, this butt joint method is convenient to operate, requiring no waiting for the adhesive to cure; disassembly simply requires releasing the clamping pins to separate the hoses, avoiding hose damage caused by adhesive residue.

[0005] This utility model of a high-temperature resistant and anti-aging PVC industrial hose is achieved through the following specific technical means:

[0006] The first aspect of this disclosure provides a high-temperature resistant and aging-resistant PVC industrial hose, specifically comprising: a first PVC hose and a mating structure;

[0007] One end of the first PVC hose is provided with a second PVC hose, and a docking structure is provided at the ends of the first PVC hose and the second PVC hose close to each other. The docking structure comprises the following components:

[0008] First connecting sleeve: fixedly connected to one end of the outer side of the first PVC hose, and a male connector is fixedly connected to the outer side of the first connecting sleeve;

[0009] Second connecting sleeve: fixedly connected to one end of the outer side of the second PVC hose, and a female connector is fixedly connected to the outer side of the second connecting sleeve;

[0010] Through holes: These are formed at both ends of the male and female connectors. A locking pin is inserted into the through hole. The locking pin has a movable sliding hole inside. A movable sliding rod is slidably installed inside the movable sliding hole. One end of the movable sliding rod is fixedly connected to a limit block.

[0011] Fastening nut ring: Located at one end of the movable slide bar, the fastening nut ring has three sets of arrayed through slots, and there are retaining slots between the through slots. The limiting arc block is engaged in the retaining slot.

[0012] In at least some embodiments, a compression protrusion ring is fixedly connected to the outer side of the movable slide rod, and a reset cavity is provided inside the locking pin, with the inner sidewall of the reset cavity fitting against the outer sidewall of the compression protrusion ring.

[0013] In at least some embodiments, the reset cavity is provided with a spring.

[0014] In at least some embodiments, the first PVC hose and the second PVC hose have an industrial hose structure inside. The industrial hose structure includes an inner layer and a heat insulation layer. The bottom layer of the first PVC hose and the second PVC hose is the inner layer, which is made of PVC material. The outer side of the inner layer is the heat insulation layer, which is made of ceramic fiber felt.

[0015] In at least some embodiments, the outer side of the heat insulation layer is provided with a reinforcing layer, the inner side of the reinforcing layer is provided with an embedding groove, and a reinforcing wire is embedded in the embedding groove. The reinforcing wire is made of nickel-chromium alloy wire.

[0016] In at least some embodiments, an outer layer is provided on the outside of the reinforcing layer.

[0017] This utility model provides a high-temperature resistant and anti-aging PVC industrial hose, the advantages of which are:

[0018] By setting up a docking structure between two sets of PVC industrial hoses, the male and female plugs are positioned and combined through the cooperation of the pin and the limiting ring, replacing the traditional glue sealing ring connection method. This completely solves the problem of sealing failure under high temperature environment. At the same time, this docking method is easy to operate. There is no need to wait for the glue to cure. When disassembling, the hose can be separated simply by releasing the clamping device, avoiding pipe damage caused by glue residue.

[0019] By adopting a glue-free, purely physical bonding method, the problem of chemical solvent residue in traditional adhesive bonding processes is completely avoided. This eliminates the risk of chemical substances migrating to the transport medium at the source, ensuring that the medium is not contaminated during transmission. It is especially suitable for industrial fields with stringent hygiene and safety requirements, such as food and pharmaceutical industries. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the disassembled docking structure of this utility model.

[0022] Figure 3 This is a schematic diagram of the docking structure components of this utility model.

[0023] Figure 4 This is a schematic diagram of the first cross-sectional structure of the industrial hose structure of this utility model.

[0024] Figure 5 This is a schematic diagram of the second cross-sectional structure of the industrial hose structure of this utility model.

[0025] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0026] 1. First PVC hose;

[0027] 2. Second PVC hose;

[0028] 3. Dock structure;

[0029] 301, First connecting jacket; 3011, Male connector;

[0030] 302. Second connecting sleeve; 3021. Female connector;

[0031] 303. Through hole; 3031. Locking pin; 3032. Movable sliding hole; 3033. Movable sliding rod; 3034. Extrusion protrusion ring; 3035. Reset cavity; 3036. Spring; 3037. Limiting arc block;

[0032] 304, fastening ring; 3041, through groove; 3042, retaining groove;

[0033] 4. Industrial hose structure;

[0034] 401. Inner layer;

[0035] 402. Insulation layer;

[0036] 403, Reinforcing layer; 4031, Embedded groove; 4032, Reinforcing wire;

[0037] 404, outer layer. Detailed Implementation

[0038] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0039] Example 1: As shown in the attached document Figure 1 To be continued Figure 5 As shown:

[0040] This utility model provides a high-temperature resistant and anti-aging PVC industrial hose, comprising: a first PVC hose 1 and a docking structure 3;

[0041] A second PVC hose 2 is provided at one end of a first PVC hose 1, and a docking structure 3 is provided at the end of the first PVC hose 1 and the second PVC hose 2 that are close to each other. The docking structure 3 is characterized in that it includes the following components:

[0042] First connecting sleeve 301: fixedly connected to one end of the outer side of the first PVC hose 1, and a male connector 3011 is fixedly connected to the outer side of the first connecting sleeve 301;

[0043] Second connecting sleeve 302: fixedly connected to one end of the outer side of the second PVC hose 2, and a female connector 3021 is fixedly connected to the outer side of the second connecting sleeve 302;

[0044] Through-hole 303: It is formed at both ends of the male connector 3011 and the female connector 3021. A locking pin 3031 is inserted into the through-hole 303. A movable sliding hole 3032 is formed inside the locking pin 3031. A movable sliding rod 3033 is slidably installed inside the movable sliding hole 3032. One end of the movable sliding rod 3033 is fixedly connected to a limit arc block 3037.

[0045] Fastening ring 304: Located at one end of movable slide bar 3033, the fastening ring 304 has three sets of arrayed through grooves 3041, and there are slots 3042 between the through grooves 3041. The limiting arc block 3037 is locked in the slot 3042.

[0046] The outer side of the movable slide bar 3033 is fixedly connected to a compression protrusion ring 3034, and the locking pin 3031 has a reset cavity 3035 inside, with the inner side wall of the reset cavity 3035 fitting against the outer side wall of the compression protrusion ring 3034.

[0047] A spring 3036 is provided inside the reset cavity 3035.

[0048] By aligning the male connector 3011 with the female connector 3021, and then inserting the locking pin 3031 into the mating hole 303, the fastening ring 304 is then fitted onto the other end of the locking pin 3031. At this point, a Torx screwdriver is inserted into the Torx groove of the movable slide rod 3033, and the movable slide rod 3033 is pushed to move. Then, the movable slide rod 3033 is rotated so that it causes the limiting arc block 3037 to rotate until it aligns with the slot 3042. The movable slide rod 3033 is then released. During the movement of the movable slide rod 3033, the compression ring 3034 compresses the spring 3036 within the reset cavity 3035 until... When the pressure is released, the spring 3036 undergoes elastic deformation, and the spring 3036 releases its elasticity, thereby pushing the compression ring 3034 to move. The compression ring 3034 drives the limiting arc block 3037 to reset and be locked into the slot 3042 via the movable slide rod 3033, thus completing the assembly of the two. When disassembling, simply move the movable slide rod 3033 to drive the limiting arc block 3037 out of the slot 3042, and then rotate the movable slide rod 3033 to rotate the limiting arc block 3037 to align with the through groove 3041, thereby completing the disassembly of the fastening ring 304 and the locking pin 3031.

[0049] Example 2: Based on Example 1, wherein, as Figure 4 and Figure 5 As shown, the first PVC hose 1 and the second PVC hose 2 are provided with an industrial hose structure 4 inside. The industrial hose structure 4 includes an inner layer 401 and a heat insulation layer 402. The bottom layer of the first PVC hose 1 and the second PVC hose 2 is the inner layer 401, which is made of PVC material. The outer side of the inner layer 401 is the heat insulation layer 402, which is made of ceramic fiber felt.

[0050] The outer side of the heat insulation layer 402 is provided with a reinforcing layer 403, the inner side of the reinforcing layer 403 is provided with an embedding groove 4031, and the inner side of the embedding groove 4031 is embedded with a reinforcing wire 4032, which is made of nickel-chromium alloy wire.

[0051] An outer layer 404 is provided on the outside of the reinforcing layer 403.

[0052] The insulation layer 402 effectively blocks external heat from being conducted to the inner PVC material of the hose, slowing down the breakage and degradation of PVC molecular chains caused by high temperatures, and improving the high-temperature resistance of the hose. The reinforcing layer 403 is constructed using three-dimensional braiding technology. The three-dimensional braided reinforcing layer provides more uniform and stable support for the inner PVC layer 401 and outer layer 404. In high-temperature environments, it can effectively inhibit the deformation of PVC material caused by thermal expansion, avoiding material damage and accelerated aging caused by local stress concentration. The reinforcing filament 4032 not only significantly improves the overall strength and pressure resistance of the hose, but also plays a role in heat conduction in high-temperature environments, quickly conducting and dissipating the heat generated locally in the hose, and preventing heat accumulation that leads to aging of the PVC material.

[0053] The specific usage and function of this embodiment are as follows:

[0054] In this invention, the male connector 3011 and the female connector 3021 are aligned, and then the locking pin 3031 is inserted into the mating hole 303. The fastening ring 304 is then fitted onto the other end of the locking pin 3031. A Torx screwdriver is then inserted into the Torx groove of the movable slide rod 3033, and the movable slide rod 3033 is pushed to move. The movable slide rod 3033 is then rotated to cause the limiting arc block 3037 to rotate until it aligns with the slot 3042. The movable slide rod 3033 is then released. As the movable slide rod 3033 moves, the compression ring 3034 compresses the spring 3036 within the reset cavity 3035, causing the spring 3036 to undergo elastic deformation. When the pressure is released, the spring 3036 releases its elasticity, thereby pushing the compression ring. The 3034 moves, and the compression ring 3034 drives the limiting arc block 3037 to reset and be inserted into the slot 3042 via the movable slide rod 3033, thus completing the assembly of the two. When disassembling, simply move the movable slide rod 3033 to drive the limiting arc block 3037 out of the slot 3042, and then rotate the movable slide rod 3033 to rotate the limiting arc block 3037 to align with the through groove 3041, thereby completing the disassembly of the fastening ring 304 and the locking pin 3031. This replaces the traditional glue sealing ring connection method, completely solving the problem of sealing failure under high temperature environment. At the same time, this docking method is convenient to operate, and there is no need to wait for the glue to cure. When disassembling, only the clamping device constraint needs to be released to separate the hose, avoiding pipe damage caused by glue residue.

Claims

1. High-temperature resistant and aging-resistant PVC industrial hoses, including: First PVC hose (1) and docking structure (3); One end of the first PVC hose (1) is provided with a second PVC hose (2), and the ends of the first PVC hose (1) and the second PVC hose (2) close to each other are provided with a docking structure (3), characterized in that: the docking structure (3) includes the following components: First connecting sleeve (301): fixedly connected to one end of the outer side of the first PVC hose (1), and a male connector (3011) is fixedly connected to the outer side of the first connecting sleeve (301). Second connecting sleeve (302): fixedly connected to one end of the outer side of the second PVC hose (2), and a female connector (3021) is fixedly connected to the outer side of the second connecting sleeve (302). Through holes (303): are formed at both ends of the male connector (3011) and the female connector (3021). A locking pin (3031) is inserted inside the through hole (303). A movable sliding hole (3032) is formed inside the locking pin (3031). A movable sliding rod (3033) is slidably installed inside the movable sliding hole (3032). One end of the movable sliding rod (3033) is fixedly connected to a limit arc block (3037). Fastening ring (304): Located at one end of the movable slide bar (3033), the fastening ring (304) has three sets of arrayed through grooves (3041), and there are slots (3042) between the through grooves (3041). The limiting arc block (3037) is fitted into the slot (3042).

2. The high-temperature resistant and anti-aging PVC industrial hose as described in claim 1, characterized in that: The movable slide bar (3033) is fixedly connected to the outer side of the compression protrusion ring (3034), and the locking pin (3031) has a reset cavity (3035) inside, and the inner side wall of the reset cavity (3035) fits against the outer side wall of the compression protrusion ring (3034).

3. The high-temperature resistant and anti-aging PVC industrial hose as described in claim 2, characterized in that: The reset cavity (3035) is equipped with a spring (3036).

4. The high-temperature resistant and anti-aging PVC industrial hose as described in claim 1, characterized in that: The first PVC hose (1) and the second PVC hose (2) are provided with an industrial hose structure (4) inside. The industrial hose structure (4) includes an inner layer (401) and a heat insulation layer (402). The bottom layer of the first PVC hose (1) and the second PVC hose (2) is the inner layer (401), which is made of PVC material. The outer side of the inner layer (401) is the heat insulation layer (402), which is made of ceramic fiber felt.

5. The high-temperature resistant and anti-aging PVC industrial hose as described in claim 4, characterized in that: The heat insulation layer (402) has an outer reinforcement layer (403), and the reinforcement layer (403) has an inner embedding groove (4031). The inner embedding groove (4031) is embedded with a reinforcing wire (4032), which is made of nickel-chromium alloy wire.

6. The high-temperature resistant and anti-aging PVC industrial hose as described in claim 5, characterized in that: An outer layer (404) is provided on the outside of the reinforcing layer (403).

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