Heat supply pipe with heat preservation structure

By designing a heating pipe with an insulation structure and adopting a sliding plug-in protective pipe and a limiting ring structure, the problem of complex replacement and maintenance of the outer sheath of the heating pipe is solved, achieving both insulation effect and convenient maintenance of the heating pipe, and improving the operating efficiency of the heating system.

CN223754996UActive Publication Date: 2026-01-02SHAANXI HENGSHENG RUIZHI CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202520468562.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-02
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

The replacement and maintenance of the outer sheath of existing heating pipes is a complex process that can easily damage the internal structure, wasting time and manpower and affecting the normal operation of the heating system.

Method used

A heating pipe with an insulation structure was designed, which adopts a sliding plug-in protective pipe and a limiting ring structure. The limiting mechanism enables stable connection and convenient disassembly of the protective pipe. The combination of the insulation pipe and the protective pipe provides insulation function, and the limiting ring and limiting mechanism enable stable installation and convenient disassembly and maintenance of the protective pipe.

Benefits of technology

It reduces heat loss, simplifies the disassembly and replacement process of the protective pipe, improves the insulation effect and maintenance efficiency of the heating pipe, and reduces labor costs and time consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat supply pipes, in particular to a heat supply pipe with a heat preservation structure, which comprises a pipe body, a heat preservation pipe is fixedly sleeved on the inner wall of the pipe body, two mutually spliced protective pipes are inserted on the circumferential outer wall of the pipe body in a sliding mode, a plurality of limiting rings are connected on the circumferential outer walls of the two protective pipes in a sliding mode, and the limiting rings are connected with the heat preservation pipe in a sliding mode. Limiting grooves are formed in the circumferential outer wall of the protection pipe, and limiting blocks in sliding connection with the limiting grooves in the outer wall of the protection pipe on the same side are fixed to the circumferential inner wall of the protection pipe. According to the heat supply pipe, the whole heat supply pipe can have a heat preservation function by arranging the heat preservation pipe and the two protection pipes which are spliced with each other, so that heat loss can be reduced, and the two protection pipes can be limited by arranging the multiple limiting rings and the multiple limiting mechanisms; and after the two protection pipes are aged after being used for a long time, the two protection pipes can be conveniently disassembled, maintained or replaced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat supply pipe technical field, concretely is a heat supply pipe with heat preservation structure. BACKGROUND

[0002] In modern society, the heating system plays a vital role in people's life and work environment. As the core component of the heating system, the performance and reliability of the heat supply pipe directly affect the heating effect and energy utilization efficiency.

[0003] However, the existing heat supply pipe has some problems in the process of use, especially in the replacement and maintenance of the outer sheath. The outer sheath of the traditional heat supply pipe is usually fixed with the inner pipe and the heat preservation layer by welding, bonding and other methods. This installation method needs complex disassembly operation when replacing the outer sheath, which is easy to cause damage to the internal structure. This not only needs to consume a lot of time and labor cost, but also may seriously affect the normal operation of the heating system. In view of this, we propose a heat supply pipe with heat preservation structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a heat supply pipe with heat preservation structure to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A heat supply pipe with heat preservation structure, comprising a pipe body, a heat preservation pipe fixedly sleeved on the inner wall of the pipe body, two protection pipes slidably connected on the circumferential outer wall of the pipe body, a plurality of limiting rings slidably connected on the circumferential outer wall of the two protection pipes, a limiting groove provided on the circumferential outer wall of the protection pipe, a limiting block fixed on the circumferential inner wall of the protection pipe and slidably connected with the limiting groove on the outer wall of the same side protection pipe, and two limiting mechanisms symmetrically provided on the circumferential outer wall of the limiting ring, wherein the limiting mechanism comprises a fixed plate fixed on the circumferential outer wall of the same side limiting ring and shaped as a U-shaped plate, a gasket fixed on the surface of the same side of the vertical plate end of the fixed plate close to the pipe body, a spring fixed on the surface of the same side of the gasket close to the pipe body, a limiting disc fixed on the other end of the spring, two moving blocks fixed on the circumferential outer wall of the limiting disc and slidably connected with the two horizontal plate ends of the fixed plate, and a limiting rod fixed on the outer wall of the same side of the limiting disc close to the pipe body for limiting the same side protection pipe.

[0007] As a preferred embodiment, a plurality of insertion grooves are provided on the circumferential outer wall of the pipe body, and a plurality of insertion blocks are fixed on the surface of the same side of the protection pipe close to the pipe body and slidably connected with the same side insertion grooves on the outer wall of the pipe body.

[0008] As a preferred implementation form, the heat preservation tube is made of glass wool or polyurethane material, and the thickness of the heat preservation tube is 1-3 cm.

[0009] As a preferred implementation form, the protective tube is made of high-density polyethylene, polyurethane or glass steel material, an inner lining tube is fixedly sleeved on the inner wall of the circumference of the heat preservation tube, the inner lining tube is made of stainless steel, glass steel or polytetrafluoroethylene material, and the thickness of the inner lining tube is 1-2 cm.

[0010] As a preferred implementation form, the longitudinal section shape of the limiting groove on the outer wall of the protective tube is in the shape of a Chinese character "N", and the shape of the limiting block is in the shape of a Chinese character "N" matched with the shape of the limiting groove on the same side of the outer wall of the protective tube.

[0011] As a preferred implementation form, the outer wall of the limiting ring is provided with two through holes, the outer wall of the limiting block is provided with a through groove matched in size and corresponding in position with the through hole on the same side of the outer wall of the limiting ring, the inner wall of the limiting groove on the outer wall of the protective tube is provided with a plurality of limiting holes matched in size and corresponding in position with the through groove on the outer wall of the limiting block, and the limiting rod is sequentially inserted into the through hole on the outer wall of the limiting ring, the through groove on the outer wall of the limiting block and the limiting hole on the inner wall of the limiting groove on the outer wall of the protective tube.

[0012] As a preferred implementation form, the limiting mechanism further comprises a pull rod fixed on the outer wall of the circumference of the limiting disc, and the length of the pull rod is 7-11 cm.

[0013] As a preferred implementation form, the opposite surfaces of the two transverse plate ends of the fixed plate are provided with guide grooves, and the outer wall of the moving block is fixed with a guide block slidably connected with the guide groove on the same side of the transverse plate end of the fixed plate.

[0014] As a preferred implementation form, the longitudinal section shape of the guide groove on the outer wall of the transverse plate end of the fixed plate is in the shape of an I-beam, and the shape of the guide block is in the shape of an I-beam matched with the shape of the guide groove on the outer wall of the transverse plate end of the fixed plate.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1、The utility model discloses a heat preservation tube and two mutually spliced protective tubes can make the whole heat supply pipe have heat preservation function, thereby can reduce the loss of heat, a plurality of limiting rings and a plurality of limiting mechanisms are arranged, thereby the two protective tubes can be limited, when the two protective tubes are aged after long -time use, and then the two protective tubes are convenient to disassemble, maintain or replace.

[0017] 2、 The opposite sides of the two transverse plate ends of the fixed plate are provided with guide grooves, and the outer wall of the moving block is fixed with a guide block that is slidably connected with the guide groove on the outer wall of the same side transverse plate end of the same side fixed plate, the movement of the moving block can be guided, and the movement of the limiting rod can be indirectly guided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structure schematic view of the utility model;

[0019] Figure 2 It is an enlarged view of A in the utility model;

[0020] Figure 3 It is one of the local exploded views in the utility model;

[0021] Figure 4 It is the second local exploded view in the utility model;

[0022] Figure 5 It is an enlarged view of B in the utility model;

[0023] Figure 6 It is the third local exploded view in the utility model;

[0024] Figure 7 It is an enlarged view of C in the utility model;

[0025] Figure 8 It is an overall structure schematic view of the limiting mechanism in the utility model;

[0026] Figure 9 It is a sectional view of the fixed plate in the utility model;

[0027] Figure 10 It is a local exploded view of the limiting mechanism in the utility model;

[0028] The meanings of various reference numerals in the drawing are as follows:

[0029] 1, pipe body; 2, heat preservation pipe; 3, inner lining pipe; 4, protection pipe; 5, limiting ring; 6, plug block; 7, limiting block; 8, limiting mechanism; 81, fixed plate; 82, gasket; 83, spring; 84, limiting disc; 85, limiting rod; 86, moving block; 87, guide block; 88, pull rod. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0031] Please refer to Figures 1-10 The present application provides a technical scheme: a heat supply pipe with a heat preservation structure, comprising a pipe body 1, a heat preservation pipe 2 fixedly sleeved on the inner wall of the pipe body 1, two protective pipes 4 slidably connected on the circumferential outer wall of the pipe body 1, a plurality of limiting rings 5 slidably connected on the circumferential outer wall of the two protective pipes 4, a limiting groove provided on the circumferential outer wall of the protective pipe 4, a limiting block 7 fixedly connected on the circumferential inner wall of the protective pipe 4 and slidably connected with the limiting groove on the outer wall of the same side protective pipe 4, and two limiting mechanisms 8 symmetrically provided on the circumferential outer wall of the limiting ring 5, wherein the limiting mechanism 8 comprises a fixed plate 81 fixed on the circumferential outer wall of the same side limiting ring 5 and shaped as a U-shaped plate, a gasket 82 fixed on the surface of the same side of the vertical plate end of the fixed plate 81 and close to the pipe body 1, a spring 83 fixed on the surface of the same side of the gasket 82 and close to the pipe body 1, a limiting disc 84 fixed on the other end of the spring 83, two moving blocks 86 fixed on the circumferential outer wall of the limiting disc 84 and slidably connected with the two horizontal plate ends of the fixed plate 81, and a limiting rod 85 fixed on the outer wall of the same side of the limiting disc 84 and close to the pipe body 1, for limiting the same side protective pipe 4. By arranging the heat preservation pipe 2 and the two protective pipes 4 that are spliced with each other, the heat supply pipe can have the heat preservation function, so that the heat loss can be reduced. By arranging the plurality of limiting rings 5 and the plurality of limiting mechanisms 8, the two protective pipes 4 can be limited, and when the two protective pipes 4 are aged after long-term use, the two protective pipes 4 can be conveniently disassembled, maintained or replaced.

[0032] In the embodiment, a plurality of insertion grooves are provided on the circumferential outer wall of the pipe body 1, and a plurality of insertion blocks 6 are fixed on the surface of the same side of the protective pipe 4 and close to the pipe body 1, which can guide the disassembly of the two protective pipes 4.

[0033] In addition, the heat preservation pipe 2 is made of glass wool or polyurethane material, and the thickness of the heat preservation pipe 2 is 1-3 cm, preferably 2 cm, so that the heat preservation effect of the entire heat supply pipe can be better.

[0034] Further, the protective tube 4 is made of high-density polyethylene, polyurethane or glass steel material, the inner wall of the circumference of the heat preservation tube 2 is fixedly provided with the inner lining tube 3, the inner lining tube 3 is made of stainless steel, glass steel or polytetrafluoroethylene material, and the thickness of the inner lining tube 3 is 1-2 cm, in this article, the material of the protective tube 4 is set to high-density polyethylene, the material of the inner lining tube 3 is set to glass steel, and the thickness of the inner lining tube 3 is set to 1.5 cm, so that the heat preservation effect of the whole heat supply pipe can be further improved, and the pipe body 1 can also be protected.

[0035] Further, the longitudinal section shape of the limiting groove on the outer wall of the protective tube 4 is in the shape of a Chinese character "N", and the shape of the limiting block 7 is in the shape of a Chinese character "N" matched with the shape of the limiting groove on the same side of the outer wall of the protective tube 4, so that the connection between the limiting block 7 and the limiting groove on the same side of the outer wall of the protective tube 4 is more closely connected, and the two protective tubes 4 are indirectly more stable after installation.

[0036] Specifically, the outer wall of the limiting ring 5 is provided with two through holes, the outer wall of the limiting block 7 is provided with a through groove corresponding in position and matching in size with the through hole on the same side of the outer wall of the limiting ring 5, the inner wall of the limiting groove on the outer wall of the protective tube 4 is provided with a plurality of limiting holes corresponding in position and matching in size with the through groove on the outer wall of the limiting block 7, and the limiting rod 85 passes through the through hole on the same side of the outer wall of the limiting ring 5, the through groove on the outer wall of the limiting block 7 and the limiting hole on the inner wall of the limiting groove on the same side of the outer wall of the protective tube 4 in sequence and is slidably connected, so that the plurality of limiting rings 5 and the two protective tubes 4 can be limited smoothly, and the two protective tubes 4 are more stable after installation.

[0037] It is worth noting that the limiting mechanism 8 further comprises a pull rod 88 fixed on the outer wall of the limiting disc 84, and the length of the pull rod 88 is 7-11 cm, preferably 8 cm, so that the limiting disc 84 can be driven to move.

[0038] It is worth noting that the opposite surfaces of the two horizontal plate ends of the fixed plate 81 are provided with guide grooves, and the outer wall of the moving block 86 is fixedly provided with a guide block 87 slidably connected with the guide groove on the same side of the horizontal plate end of the fixed plate 81, so that the movement of the moving block 86 can be guided, and the movement of the limiting rod 85 can be indirectly guided.

[0039] It is worth noting that the longitudinal section shape of the guide groove on the outer wall of the horizontal plate end of the fixed plate 81 is in the shape of an "I" character, and the shape of the guide block 87 is in the shape of an "I" character matched with the shape of the guide groove on the outer wall of the horizontal plate end of the fixed plate 81, so that the connection between the guide block 87 and the guide groove on the same side of the outer wall of the horizontal plate end of the fixed plate 81 is more closely connected, and the limiting rod 85 is more stable during movement.

[0040] In the specific use process of the embodiment, when two protective tubes 4 need to be disassembled, maintained or replaced, first pull the pull rod 88 in the two limiting mechanisms 8 on the outer wall of one limiting ring 5, pull the pull rod 88 to make the limiting disc 84 fixed therewith move away from the tube body 1, the limiting disc 84 moves under the guidance of the two same-side moving blocks 86, the two same-side guide blocks 87 and the two guide grooves on the outer wall of the same-side fixed plate 81, the limiting disc 84 moves to drive the spring 83 fixed therewith to be compressed, the limiting disc 84 also moves to drive the limiting rod 85 fixed therewith to move away from the tube body 1, when the limiting rod 85 is separated from the same-side limiting hole on the inner wall of the limiting groove on the outer wall of the protective tube 4, the same-side limiting block 7 on the outer wall and the same-side through hole on the outer wall of the same-side limiting ring 5, stop pulling the two pull rods 88 and keep the two pull rods 88 in a static state, then slide the limiting ring 5, the limiting ring 5 moves under the guidance of the two limiting blocks 7 and the limiting grooves on the outer walls of the two protective tubes 4, until the two limiting blocks 7 are separated from the limiting grooves on the outer walls of the two protective tubes 4, the disassembly of the limiting ring 5 is completed, and the same principle can be used to disassemble other limiting rings 5, then pull the two protective tubes 4 to move away from each other, until the plurality of insertion blocks 6 on the outer wall of the protective tube 4 are separated from the plurality of insertion grooves on the outer wall of the tube body 1, the disassembly of the two protective tubes 4 is completed, and the two protective tubes 4 can be maintained or replaced, and vice versa.

[0041] The basic principle, main characteristics and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heat supply pipe with a heat retaining structure, comprising a pipe body (1), characterized in that, The inner wall of the pipe body (1) is fixedly sleeved with a heat preservation pipe (2), the circumferential outer wall of the pipe body (1) is slidably connected with two mutually spliced protection pipes (4), the circumferential outer wall of the two protection pipes (4) is slidably connected with a plurality of limiting rings (5), the circumferential outer wall of the protection pipe (4) is provided with a limiting groove, the circumferential inner wall of the protection pipe (4) is fixedly connected with a limiting block (7) which is slidably connected with the limiting groove on the outer wall of the same side protection pipe (4), and the circumferential outer wall of the limiting ring (5) is provided with two mutually symmetrical limiting mechanisms (8), the limiting mechanism (8) comprises a fixed plate (81) which is fixed on the circumferential outer wall of the same side limiting ring (5) and is in the shape of U, a gasket (82) which is fixed on the surface of the same side of the fixed plate (81) and is close to the pipe body (1), a spring (83) which is fixed on the surface of the same side of the gasket (82) and is close to the pipe body (1), a limiting disc (84) which is fixed on the other end of the spring (83), two moving blocks (86) which are fixed on the circumferential outer wall of the limiting disc (84) and are slidably connected with the two horizontal plate ends of the fixed plate (81), and a limiting rod (85) which is fixed on the outer wall of the same side of the limiting disc (84) and is close to the pipe body (1).

2. The heat supply pipe with a thermal insulation structure according to claim 1, characterized in that: The circumferential outer wall of the pipe body (1) is provided with a plurality of insertion grooves, and the surface of the same side of the protection pipe (4) close to the pipe body (1) is fixed with a plurality of insertion blocks (6) which are slidably connected with the insertion grooves on the outer wall of the same side of the pipe body (1).

3. The heat supply pipe with a thermal insulation structure according to claim 1, characterized in that: The heat preservation pipe (2) is made of glass wool or polyurethane material, and the thickness of the heat preservation pipe (2) is 1-3cm.

4. The heat supply pipe with a thermal insulation structure according to claim 1, characterized in that: The protection pipe (4) is made of high-density polyethylene, polyurethane or glass steel material, the circumferential inner wall of the heat preservation pipe (2) is fixedly sleeved with an inner lining pipe (3), the inner lining pipe (3) is made of stainless steel, glass steel or polytetrafluoroethylene material, and the thickness of the inner lining pipe (3) is 1-2cm.

5. The heat supply pipe with a thermal insulation structure according to claim 1, characterized in that: The longitudinal section shape of the limiting groove on the outer wall of the protection pipe (4) is in the shape of a convex, and the shape of the limiting block (7) is in the shape of a convex which is matched with the shape of the limiting groove on the outer wall of the same side of the protection pipe (4).

6. The heat supply pipe with a thermal insulation structure according to claim 1, characterized in that: The circumferential outer wall of the limiting ring (5) is provided with two through holes, the outer wall of the limiting block (7) is provided with a through groove which is matched in size and position with the through hole on the outer wall of the same side of the limiting ring (5), the inner wall of the limiting groove on the outer wall of the protection pipe (4) is provided with a plurality of limiting holes which are matched in size and position with the through groove on the outer wall of the same side of the limiting block (7), and the limiting rod (85) passes through the through hole on the outer wall of the same side of the limiting ring (5), the through groove on the outer wall of the same side of the limiting block (7) and is slidably connected with the limiting hole on the inner wall of the limiting groove on the outer wall of the same side of the protection pipe (4) in sequence.

7. The heat supply pipe with a thermal insulation structure according to claim 1, characterized in that: The limiting mechanism (8) further comprises a pull rod (88) which is fixed on the circumferential outer wall of the limiting disc (84), and the length of the pull rod (88) is 7-11cm.

8. The heat supply pipe with a thermal insulation structure according to claim 1, characterized in that: The opposite sides of the two transverse plate ends of the fixed plate (81) are provided with guide grooves, and the outer wall of the moving block (86) is fixed with a guide block (87) which is in sliding connection with the guide groove on the outer wall of the same side transverse plate end of the fixed plate (81).

9. The heat supply pipe with a thermal insulation structure according to claim 8, characterized in that: The longitudinal section shape of the guide groove on the outer wall of the transverse plate end of the fixed plate (81) is in the shape of an I-beam, and the shape of the guide block (87) is in the shape of an I-beam which is matched with the shape of the guide groove on the outer wall of the transverse plate end of the fixed plate (81).