CN220354843U

CN220354843U - Central heating overhead heat preservation pipe

Info

Publication number: CN220354843U
Application number: CN202322073720.8U
Authority: CN
Inventors: 毕玉谦; 毕玉龙; 李也
Original assignee: Shandong Dacheng Anti Corrosion And Thermal Insulation Installation Engineering Co ltd
Current assignee: Shandong Dacheng Anti Corrosion And Thermal Insulation Installation Engineering Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-16
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a central heating overhead heat-insulating pipe, which comprises a core pipe, wherein the outer surface of the core pipe is fixedly connected with a first limiting ring, the surface of the core pipe is fixedly connected with a second limiting ring, and the outer surface of the core pipe is fixedly connected with a positioning ring; the heat preservation pipe, the heat preservation pipe includes solid fixed ring, through-hole, heat preservation and heat sink, the surface and the solid fixed ring of heat preservation pipe are connected, the inner wall and the heat preservation fixed connection of heat preservation pipe, the inner wall and the heat sink fixed connection of heat preservation pipe. Through the fixed ring that can dismantle and install, can realize fixing and changing the installation of insulating tube easily fast, can add insulation material between insulating tube and the core pipe through the space that the holding ring reserved simultaneously to and the inside resilient means who sets up, both guaranteed the heat preservation effect and avoided expend with heat and contract with cold to damage the pipeline.

Description

Central heating overhead heat preservation pipe

Technical Field

The utility model relates to the technical field of heat preservation pipes, in particular to a central heating overhead heat preservation pipe.

Background

The heat insulating pipe is a short name of heat insulating pipeline, is suitable for conveying various mediums within the range of-50 ℃ to 150 ℃, is widely applied to heat insulating and cold insulating engineering in industries such as central heating, cold supply and hot oil conveying, heating rooms, cold storages, coal mines, petroleum, chemical industry and the like, is an important factor influencing energy saving, and development and application of the heat insulating pipe are increasingly receiving widespread attention from all countries of the world. The central heating overhead heat insulating pipe is one kind of pipeline for conveying gas, liquid or loose solid.

The existing central heating overhead heat-insulating pipe needs to be maintained in the use process, and the heat-insulating pipe outside the core pipe is generally replaced, so that the work efficiency of workers is influenced due to the trouble of disassembling and installing the heat-insulating pipe; in a heating system, a conventional heat-insulating pipe includes a middle working steel pipe, an outer protective pipe and a middle heat-insulating layer, and such heat-insulating effect is poor, and the pipe is easily deformed when thermal expansion and contraction occur.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a central heating overhead heat-insulating pipe, which can be quickly and easily installed, fixed and replaced by a detachable fixing ring, and meanwhile, heat-insulating materials and elastic devices arranged inside can be added between the heat-insulating pipe and a core pipe through a gap reserved by a locating ring, so that the heat-insulating effect is ensured, and the damage to a pipeline due to expansion with heat and contraction with cold is avoided.

The utility model also provides the overhead heat preservation pipe with the central heating, which comprises the following components:

the outer surface of the core tube is fixedly connected with a first limiting ring, the surface of the core tube is fixedly connected with a second limiting ring, and the outer surface of the core tube is fixedly connected with a positioning ring;

the heat preservation pipe comprises a fixed ring, through holes, a heat preservation layer and a heat absorption layer, the outer surface of the heat preservation pipe is connected with the fixed ring, the inner wall of the heat preservation pipe is fixedly connected with the heat preservation layer, the inner wall of the heat preservation pipe is fixedly connected with the heat absorption layer, the outer surface of the heat absorption layer is provided with the through holes, and the number of the through holes is multiple and is in linear array;

the elastic device comprises an upper telescopic rod, a lower telescopic rod and a spring, wherein the outer surface of the upper telescopic rod is in sliding connection with the lower telescopic rod, and the lower surface of the upper telescopic rod is fixedly connected with the spring.

According to the central heating overhead heat preservation pipe, the supporting blocks are arranged on the outer surface of the core pipe, the upper surfaces of the supporting blocks are fixedly connected with the heat absorption layer, the number of the supporting blocks is multiple and is in a linear array, so that the core pipe can be prevented from being severely deformed due to heating, and the heat preservation layer can be supported.

According to the central heating overhead heat-insulating pipe, the right surface of the first limiting ring is fixedly connected with the second limiting ring, the outer surface of the second limiting ring is fixedly connected with the heat-insulating pipe, one end of the heat-insulating pipe is limited, and the heat-insulating pipe is convenient to install.

According to the central heating overhead heat-insulating pipe, the inner wall of the fixing ring is provided with bolts, the outer surfaces of the bolts are in threaded connection with the positioning ring, and the fixing ring is fixedly connected with the positioning ring.

According to the central heating overhead heat-insulating pipe, the upper surface of the upper telescopic rod is fixedly connected with the heat-insulating layer, the lower surface of the lower telescopic rod is fixedly connected with the heat-absorbing layer, and the elastic device is arranged between the heat-insulating layer and the heat-absorbing layer, so that the internal structure of the heat-insulating pipe can be prevented from being damaged by thermal expansion and cold contraction.

According to the central heating overhead heat-insulating pipe, the side surface of the heat-insulating pipe is fixedly connected with the first limiting ring.

According to the central heating overhead heat-insulating pipe, the heat-insulating layer is made of polyurethane foam, and the thickness of the heat-insulating layer is 3 cm-5 cm, so that the heat-insulating layer has an insulating effect.

According to the central heating overhead heat-insulating pipe, the heat-absorbing layer is made of stainless steel, and the filler between the heat-absorbing layer and the core pipe is foaming glue, so that the heat-insulating effect can be improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further illustrated by the following figures and examples;

FIG. 1 is a diagram of the whole structure of a central heating overhead insulating pipe of the utility model;

FIG. 2 is a schematic cross-sectional view of a central heating overhead insulating pipe of the present utility model;

FIG. 3 is an internal structural diagram of a central heating overhead insulating pipe of the present utility model;

fig. 4 is a schematic diagram showing a part of a central heating overhead insulating pipe in an enlarged manner.

Legend description:

1. a core tube; 2. a heat preservation pipe; 3. a first stop collar; 4. a second limiting ring; 5. a fixing ring; 6. a positioning ring; 7. a bolt; 8. a support block; 9. a through hole; 10. an upper telescopic rod; 11. a lower telescopic rod; 12. a spring; 13. a heat preservation layer; 14. and a heat absorbing layer.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, the central heating overhead insulation pipe of the embodiment of the utility model comprises a core pipe 1, wherein a first limiting ring 3 is fixedly connected to the outer surface of the core pipe 1, a second limiting ring 4 is fixedly connected to the surface of the core pipe 1, a positioning ring 6 is fixedly connected to the outer surface of the core pipe 1, support blocks 8 are arranged on the outer surface of the core pipe 1, the upper surfaces of the support blocks 8 are fixedly connected with a heat absorption layer 14, the number of the support blocks 8 is multiple and in a linear array, and the central heating overhead insulation pipe can prevent the core pipe from being severely deformed due to heating and can also support the heat insulation layer.

The insulating tube 2, insulating tube 2 includes solid fixed ring 5, through-hole 9, heat preservation 13 and heat-absorbing layer 14, the surface and the solid fixed ring 5 of insulating tube 2 are connected, the inner wall of solid fixed ring 5 is provided with bolt 7, the surface and the holding ring 6 threaded connection of bolt 7, with solid fixed ring 5 and holding ring 6 fixed connection, the right side surface and the second spacing ring 4 fixed connection of first spacing ring 3, the surface and the insulating tube 2 fixed connection of second spacing ring 4, the side surface and the first spacing ring 3 fixed connection of insulating tube 2 carry out spacingly to the one end of insulating tube 2, the easy to assemble insulating tube, the inner wall and the 13 fixed connection of insulating tube 2, the inner wall and the 14 fixed connection of heat-absorbing layer 14 of insulating tube 2, the surface of heat-absorbing layer 14 is provided with through-hole 9, the quantity of through-hole 9 is a plurality of and linear array, heat-absorbing layer 13 is polyurethane foam material, the thickness of heat-absorbing layer 13 is 3cm ~ 5cm, play insulating heat-preserving effect, heat-absorbing layer 14 is stainless steel, packing between heat-absorbing layer 14 and core tube 1 is foaming glue, can improve the heat preservation effect.

The elastic device comprises an upper telescopic rod 10, a lower telescopic rod 11 and a spring 12, wherein the outer surface of the upper telescopic rod 10 is in sliding connection with the lower telescopic rod 11, the lower surface of the upper telescopic rod 10 is fixedly connected with the spring 12, the upper surface of the upper telescopic rod 10 is fixedly connected with a heat preservation layer 13, the lower surface of the lower telescopic rod 11 is fixedly connected with a heat absorption layer 14, and the elastic device is arranged between the heat preservation layer 13 and the heat absorption layer 14, so that the internal structure of the heat preservation pipe 2 can be prevented from being damaged by thermal expansion and cold contraction.

Working principle: one end of the heat preservation pipe 2 is sleeved along the outer wall of the core pipe 1 until one end of the heat preservation pipe 2 is contacted with the first limiting ring 3, a gap is reserved between the heat preservation pipe 2 and the positioning ring 6, heat preservation materials can be added into a space between the heat absorption layer 14 and the core pipe 1 through the gap, one side of the fixing ring 5 is attached to the other end of the heat preservation pipe 2 after the heat preservation pipe is added, the heat preservation pipe 2 and the core pipe 1 are fixed in a sealing mode through tightening the bolt 7, the bolt 7 is unscrewed when heat preservation is disassembled, and the heat preservation pipe 2 can be disassembled by taking off the fixing ring 5.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A central heating overhead insulating pipe, characterized by comprising:

the device comprises a core tube (1), wherein the outer surface of the core tube (1) is fixedly connected with a first limiting ring (3), the surface of the core tube (1) is fixedly connected with a second limiting ring (4), and the outer surface of the core tube (1) is fixedly connected with a positioning ring (6);

the heat preservation pipe (2), heat preservation pipe (2) include solid fixed ring (5), through-hole (9), heat preservation (13) and heat-absorbing layer (14), the surface and the solid fixed ring (5) of heat preservation pipe (2) are connected, the inner wall and the heat preservation (13) fixed connection of heat preservation pipe (2), the inner wall and the heat-absorbing layer (14) fixed connection of heat preservation pipe (2), the surface of heat-absorbing layer (14) is provided with through-hole (9), the quantity of through-hole (9) is a plurality of and linear array;

the elastic device comprises an upper telescopic rod (10), a lower telescopic rod (11) and a spring (12), wherein the outer surface of the upper telescopic rod (10) is in sliding connection with the lower telescopic rod (11), and the lower surface of the upper telescopic rod (10) is fixedly connected with the spring (12).

2. The central heating overhead heat preservation pipe according to claim 1, characterized in that supporting blocks (8) are arranged on the outer surface of the core pipe (1), the upper surfaces of the supporting blocks (8) are fixedly connected with the heat absorption layer (14), and the number of the supporting blocks (8) is multiple and in a linear array.

3. The central heating overhead heat preservation pipe according to claim 1, wherein the right surface of the first limiting ring (3) is fixedly connected with the second limiting ring (4), and the outer surface of the second limiting ring (4) is fixedly connected with the heat preservation pipe (2).

4. The central heating overhead heat preservation pipe according to claim 1, characterized in that the inner wall of the fixing ring (5) is provided with bolts (7), and the outer surface of the bolts (7) is in threaded connection with the positioning ring (6).

5. A central heating overhead heat insulation pipe according to claim 1, wherein the upper surface of the upper telescopic rod (10) is fixedly connected with the heat insulation layer (13), and the lower surface of the lower telescopic rod (11) is fixedly connected with the heat absorption layer (14).

6. A central heating overhead insulating pipe according to claim 1, characterized in that the side surface of the insulating pipe (2) is fixedly connected with the first stop collar (3).

7. The central heating overhead heat insulation pipe according to claim 1, wherein the heat insulation layer (13) is made of polyurethane foam, and the thickness of the heat insulation layer (13) is 3 cm-5 cm.

8. The central heating overhead heat preservation pipe according to claim 1 is characterized in that the heat absorption layer (14) is made of stainless steel, and the filler between the heat absorption layer (14) and the core pipe (1) is foaming glue.