Pressure-resistant polyurethane thermal insulation pipe

By introducing a combination structure of connecting plates, sleeves, and pressure-resistant layers into the polyurethane insulation pipe, the friction at the connection is enhanced, and the water-absorbing plate is used to absorb and evaporate moisture, thus solving the leakage problem caused by the instability of the connection of the polyurethane insulation pipe and improving the assembly stability and insulation effect.

CN224065097UActive Publication Date: 2026-03-31LANGFANG ZHONGYANG THERMAL INSULATION MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-28
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing polyurethane insulation pipes lack stable installation at the joints, resulting in insufficient friction at the joints and making them prone to leakage as the usage time increases.

Method used

The system employs a combination structure of connecting plates, connecting sleeves, pressure-resistant layers, reinforcing ribs, limiting rings, limiting tubes, sliding rods, sliding grooves, and springs to enhance the friction at the joints. It also absorbs and evaporates moisture through the water-absorbing plate and groove structure to prevent moisture from affecting the insulation effect.

Benefits of technology

This improves the assembly stability of the insulation pipe connections, prevents leakage, and maintains the insulation effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat preservation pipes, and discloses a pressure-resistant polyurethane heat preservation pipe which comprises a heat preservation pipe body, a connecting clamping plate is fixedly installed on the outer surface of the heat preservation pipe body, a connecting sleeve plate is arranged on the outer surface of the heat preservation pipe body in a sliding mode, and a pressure-resistant layer is fixedly installed on the outer surface of the connecting sleeve plate. A plurality of reinforcing ribs are fixedly connected between the inner surface of the pressure-resistant layer and the outer surface of the connecting sleeve plate, a limiting ring is rotationally arranged on the outer surface of the heat preservation pipe body, and a limiting pipe is rotationally arranged on the outer surface of the heat preservation pipe body; according to the utility model, through the cooperation of the thermal insulation pipe body, the connecting clamping plate, the connecting sleeve plate, the pressure-resistant layer, the reinforcing ribs, the limiting rings, the limiting pipes, the sliding rods, the sliding grooves and the springs, when a plurality of thermal insulation pipes are spliced and assembled, the friction force at the splicing part of the thermal insulation pipes is increased through the cooperation of the limiting pipes and the limiting rings, so that the assembling stability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of thermal insulation pipe, specifically to a pressure -resistant polyurethane thermal insulation pipe. BACKGROUND

[0002] In the process of using polyurethane thermal insulation pipe, polyurethane thermal insulation pipe is prone to the phenomenon of pipeline damage caused by excessive pressure, poor pressure resistance, easy collision damage, therefore needs pressure -resistant polyurethane thermal insulation pipe, prolongs the service life of polyurethane thermal insulation pipe. With the rapid development of society, the types of polyurethane thermal insulation pipe gradually increase, and its function is constantly improved.

[0003] For pressure -resistant polyurethane thermal insulation pipe, reference patent number: CN222458690U, a pressure -resistant polyurethane thermal insulation pipe is provided with a buffer mechanism that can buffer the pressure of polyurethane thermal insulation pipe, prevent polyurethane thermal insulation pipe from breaking, set up pressure -resistant mechanism can increase the pressure resistance of polyurethane thermal insulation pipe, prevent easy collision damage, set up detachable inner tube and outer tube, the polyurethane thermal insulation pipe is conveniently and quickly disassembled, and the installation and maintenance efficiency is improved.

[0004] But the above polyurethane thermal insulation pipe does not have stable installation function to the connecting part of the thermal insulation pipe when using, since the installation length of the thermal insulation pipe needs to be spliced, the connecting part of the thermal insulation pipe is generally assembled by flange cooperating with bolt and nut, the friction force of this single connection cannot be increased, therefore with the increase of use time, the leakage phenomenon of the connecting part will occur.

[0005] Therefore, we propose a pressure -resistant polyurethane thermal insulation pipe. INVENTION CONTENTS

[0006] (I) technical problems solved

[0007] In view of the defects of the prior art, the utility model provides a pressure -resistant polyurethane thermal insulation pipe, which overcomes the defects of the prior art, solves the problem that the above polyurethane thermal insulation pipe does not have stable installation function to the connecting part of the thermal insulation pipe when using, since the installation length of the thermal insulation pipe needs to be spliced, the connecting part of the thermal insulation pipe is generally assembled by flange cooperating with bolt and nut, the friction force of this single connection cannot be increased, therefore with the increase of use time, the leakage phenomenon of the connecting part will occur.

[0008] (II) technical scheme

[0009] To achieve the above object, the utility model provides the following technical scheme: A pressure -resistant polyurethane heat -preserving tube, including heat -preserving tube body, the outer surface fixed mounting of heat -preserving tube body has the connecting card board, the outer surface sliding of heat -preserving tube body The set -up has the connecting sleeve board, the outer surface fixed mounting of connecting sleeve board has pressure -resistant layer, the inner surface of pressure -resistant layer and the outer surface of connecting sleeve board are fixedly connected with a plurality of reinforcing bars, the outer surface rotation of heat -preserving tube body The set -up has the limit ring, the outer surface rotation of heat -preserving tube body The set -up has the limit tube, the left and right surfaces of limit tube are slidingly provided with a plurality of slide rods, the left and right surfaces of limit tube are provided with a plurality of slide grooves, and the spring is fixedly connected between the one side of the plurality of slide rods close to the center of the limit tube and the inner wall of the slide groove.

[0010] Preferably, the outer surface of the pressure -resistant layer is fixedly laid with a plurality of water absorption plates, a plurality of slot holes are formed in the outer surface of the water absorption plate, and a plurality of mounting grooves are formed in the outer surface of the pressure -resistant layer.

[0011] Preferably, the connecting card board and the connecting sleeve board are slidingly connected in correspondence, the outer surfaces of the front and rear ends of the heat -preserving tube body are provided with first screw grooves, the inner surface of the limit ring is provided with second screw grooves in correspondence with the first screw grooves, and the slide rod and the slide groove are slidingly arranged in correspondence.

[0012] Preferably, the inner surface of the limit tube is provided with third screw grooves in correspondence with the first screw grooves.

[0013] Preferably, the water absorption plate and the mounting groove are arranged in correspondence, and the water absorption plate is made of sponge material.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a pressure -resistant polyurethane heat -preserving tube, has the following beneficial effects:

[0016] 1、The pressure -resistant polyurethane heat -preserving tube, through the cooperation between heat -preserving tube body, connecting card board, connecting sleeve board, pressure -resistant layer, reinforcing bar, limit ring, limit tube, slide rod, slide groove and spring, when a plurality of heat -preserving tubes are assembled, the friction of the heat -preserving tube joint is increased by the cooperation of the limit tube and the limit ring, so that the assembly stability is improved.

[0017] 2、The pressure -resistant polyurethane heat -preserving tube, through the cooperation between water absorption plate, slot hole and mounting groove, can absorb water on the outer surface of the heat -preserving tube, then cooperate with a plurality of slot holes to evaporate water quickly, avoid water adhering to the outside of the heat -preserving tube and affect the heat -preserving effect. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2The utility model discloses a limiting pipe and related structure explosion structure schematic diagram thereof;

[0020] Figure 3 The utility model discloses a limiting ring and related structure explosion structure schematic diagram thereof;

[0021] Figure 4 The utility model discloses a place amplification structure schematic diagram.

[0022] In the drawing: 1, the heat preservation pipe body, 2, the connecting card board, 3, the connecting sleeve board, 4, the pressure resistance layer, 5, the reinforcing rib, 6, the limiting ring, 7, the limiting pipe, 8, the sliding rod, 9, the sliding slot, 10, the spring, 11, the water absorption board, 12, the slot, 13, the installation groove. Specific embodiments

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Embodiment one

[0025] Please refer to Figures 1-4 A pressure-resistant polyurethane heat preservation pipe, including heat preservation pipe body 1, the outer surface of heat preservation pipe body 1 is fixedly installed with connecting card board 2, the outer surface of heat preservation pipe body 1 is slidably provided with connecting sleeve board 3, the outer surface of connecting sleeve board 3 is fixedly installed with pressure resistance layer 4, the inner surface of pressure resistance layer 4 and the outer surface of connecting sleeve board 3 are fixedly connected with several reinforcing ribs 5, the outer surface of heat preservation pipe body 1 is rotatably provided with limiting ring 6, the outer surface of heat preservation pipe body 1 is rotatably provided with limiting pipe 7, the left and right surfaces of limiting pipe 7 are slidably provided with several sliding rods 8, the left and right surfaces of limiting pipe 7 are provided with several sliding slots 9, and the one side of several sliding rods 8 close to the center of limiting pipe 7 and the inner wall of sliding slot 9 are fixedly connected with spring 10.

[0026] Specifically, by the cooperation between heat preservation pipe body 1, connecting card board 2, connecting sleeve board 3, pressure resistance layer 4, reinforcing rib 5, limiting ring 6, limiting pipe 7, sliding rod 8, sliding slot 9 and spring 10, when multiple heat preservation pipes are spliced and assembled, limiting pipe 7 cooperates with limiting ring 6 to increase the friction force at the splicing position of the heat preservation pipe, thereby improving the assembly stability.

[0027] In the embodiment: the connecting clamping plate 2 and the connecting sleeve plate 3 are in corresponding sliding clamping connection, the first threaded groove is arranged on the outer surface of the front and rear ends of the heat preservation pipe body 1, the second threaded groove is arranged on the inner surface of the limiting ring 6 and is in corresponding threaded connection with the first threaded groove, and the sliding rod 8 is in corresponding sliding connection with the sliding groove 9.

[0028] Specifically, the connecting clamping plate 2 is assembled by sliding after being clamped with the connecting sleeve plate 3.

[0029] In the embodiment: the third threaded groove is arranged on the inner surface of the limiting tube 7 and is in corresponding threaded connection with the first threaded groove.

[0030] Specifically, the limiting tube 7 is assembled on the outer surface of the heat preservation pipe body 1 by cooperating with the first threaded groove through the third threaded groove.

[0031] Working principle: when the heat preservation pipe body 1 is used, the connecting clamping plate 2 on the outer side of the heat preservation pipe body 1 and the connecting sleeve plate 3 on the inner side of the pressure-resistant layer 4 are correspondingly connected, and then the heat preservation pipe body 1 is assembled by sliding, the polyurethane heat preservation pipe is subjected to pressure resistance work by the plurality of reinforcing ribs 5 cooperating with the pressure-resistant layer 4, when a plurality of heat preservation pipe bodies 1 need to be spliced, the limiting ring 6 is installed on the surface of the heat preservation pipe body 1 by rotating through the second threaded groove cooperating with the first threaded groove, and then the limiting tube 7 is connected by rotating through the third threaded groove and the first threaded groove, after the two heat preservation pipe bodies 1 connected by the limiting tube 7 on both sides are correspondingly spliced, when the limiting tube 7 approaches the limiting ring 6 on the heat preservation pipe body 1, the force pushes the plurality of sliding rods 8 to extrude the spring 10 cooperating with the sliding groove 9, the spring 10 is pushed between the limiting ring 6 and the limiting tube 7 by the elastic force of the spring 10, thereby increasing the friction between the first threaded groove, the second threaded groove and the third threaded groove, and improving the assembly stability.

[0032] Example two

[0033] Please refer to Figures 1-2 On the basis of example one, the utility model provides a technical scheme:

[0034] In the embodiment: the outer surface of the pressure-resistant layer 4 is fixedly provided with a plurality of water absorption plates 11, a plurality of slot holes 12 are arranged on the outer surface of the water absorption plate 11, and a plurality of mounting grooves 13 are arranged on the outer surface of the pressure-resistant layer 4.

[0035] Specifically, the outer surface of the heat preservation pipe can be water-absorbed by cooperating the water absorption plate 11, the slot hole 12 and the mounting groove 13, and then the water can be quickly volatilized by cooperating a plurality of slot holes 12, so that the water adhered to the outer side of the heat preservation pipe is avoided to affect the heat preservation effect.

[0036] In the embodiment: the water absorption plate 11 and the mounting groove 13 are in corresponding adhesion, and the water absorption plate 11 is made of sponge material.

[0037] Specifically, the sponge material has high water absorption function, which can effectively absorb the moisture outside the thermal insulation pipe.

[0038] Working principle: when the thermal insulation pipe body 1 is used, the water is efficiently absorbed by the water absorption plate 11 through the multiple installation grooves 13 on the pressure-resistant layer 4 outside the thermal insulation pipe, and then the stable volatile water is discharged through the multiple slot holes 12, so that the water is prevented from covering the outside of the thermal insulation pipe and affecting the thermal insulation work.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pressure-resistant polyurethane thermal insulation pipe comprising a thermal insulation pipe body (1), characterized in that: The outer surface of the heat preservation pipe body (1) is fixedly provided with a connecting clamping plate (2), the outer surface of the heat preservation pipe body (1) is slidably provided with a connecting sleeve plate (3), the outer surface of the connecting sleeve plate (3) is fixedly provided with a pressure-resistant layer (4), a plurality of reinforcing ribs (5) are fixedly connected between the inner surface of the pressure-resistant layer (4) and the outer surface of the connecting sleeve plate (3), the outer surface of the heat preservation pipe body (1) is rotatably provided with a limiting ring (6), the outer surface of the heat preservation pipe body (1) is rotatably provided with a limiting pipe (7), the left and right surfaces of the limiting pipe (7) are both slidably provided with a plurality of sliding rods (8), the left and right surfaces of the limiting pipe (7) are both provided with a plurality of sliding grooves (9), and the side of the sliding rod (8) close to the center of the limiting pipe (7) is fixedly connected with a spring (10) between the inner wall of the sliding groove (9).

2. The pressure-resistant polyurethane insulation pipe according to claim 1, characterized in that: The outer surface of the pressure-resistant layer (4) is fixedly provided with a plurality of water absorption plates (11), the outer surface of the water absorption plate (11) is provided with a plurality of slot holes (12), and the outer surface of the pressure-resistant layer (4) is provided with a plurality of mounting grooves (13).

3. The pressure-resistant polyurethane insulation pipe according to claim 1, characterized in that: The connecting clamping plate (2) and the connecting sleeve plate (3) are correspondingly and slidably clamped, the outer surfaces of the front and rear ends of the heat preservation pipe body (1) are both provided with first threaded grooves, and the inner surface of the limiting ring (6) is provided with second threaded grooves which are correspondingly and threadedly connected with the first threaded grooves.

4. The pressure-resistant polyurethane insulation pipe according to claim 1, characterized in that: The sliding rod (8) and the sliding groove (9) are correspondingly and slidably arranged, and the inner surface of the limiting pipe (7) is provided with third threaded grooves which are correspondingly and threadedly connected with the first threaded grooves.

5. The pressure-resistant polyurethane insulation pipe according to claim 2, characterized in that: The water absorption plate (11) is correspondingly and abutted with the mounting groove (13), and the water absorption plate (11) is made of sponge material.

Citation Information

Patent Citations

  • Pressure-resistant polyurethane thermal insulation pipe

    CN222458690U