CN219639791U

CN219639791U - Thermal insulation pipe

Info

Publication number: CN219639791U
Application number: CN202321350532.9U
Authority: CN
Inventors: 魏强; 郭安军; 党兆伍
Original assignee: Shandong Taiheng Pipe Industry Co ltd
Current assignee: Shandong Taiheng Pipe Industry Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-09-05
Anticipated expiration: 2033-05-31

Abstract

The utility model relates to a heat-insulating pipe, which comprises a heat-insulating pipe, wherein a peripheral layer is arranged on the outer side of the heat-insulating pipe, an inner heat-insulating layer, a telescopic heat-insulating layer, an extension heat-insulating layer and a built-in pipeline are sequentially wrapped on the inner side of the peripheral layer, a groove I is formed in the outer surface of the telescopic heat-insulating layer in an annular array, a trapezoid groove is formed in the inner side of the telescopic heat-insulating layer in an annular array, trapezoid protrusions are arranged on the outer surface of the extension heat-insulating layer in an annular array, the trapezoid protrusions are clamped into the trapezoid groove, and a groove II is formed in the inner side of the extension heat-insulating layer in an annular array. The utility model solves the problems of the existing heat preservation pipe that the heat preservation effect is not ideal and the ductility of the heat preservation pipe is poor.

Description

Thermal insulation pipe

Technical Field

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

Background

The heat insulating pipe is used for conveying liquid, gas and other mediums, is suitable for conveying various mediums within the range of-50 ℃ to 150 ℃ in heat insulating engineering of pipelines such as petroleum, chemical industry, aerospace, central heating, central air conditioning, municipal administration and the like, and is widely applied to heat insulating and cold insulating engineering of industries such as central heating, cold supply and hot oil conveying, heating rooms, cold houses, coal mines, petroleum, chemical industry and the like.

But present thermal insulation pipe has certain problem, and heat preservation effect and ductility are relatively poor (expend with heat and contract with cold), in order to solve this kind of problem, chinese patent CN214037374U, a thermal insulation pipe, the backup pad has strengthened the stability of bracing piece, and backup pad and bracing piece link together and form a closed loop simultaneously, have thermal insulation effect, increased the thermal insulation performance of thermal insulation pipe, this kind of mode is although can play the heat preservation effect, but its heat preservation effect is not ideal, and too fixed lead to the pipeline unable to extend that expands with heat and contract with cold promptly, this easy damage problem that makes the pipeline be liable to expand with heat and contract with cold causes the pipeline.

Thus, according to the above, the existing insulating pipe has the following problems:

1. the heat preservation effect of the existing heat preservation pipe is not ideal, and the ductility of the heat preservation pipe is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the heat-insulating pipe, and solves the problems of unsatisfactory heat-insulating effect and poor ductility of the existing heat-insulating pipe.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermal insulation pipe, includes the thermal insulation pipe, and the thermal insulation pipe outward flange is provided with the peripheral layer, and peripheral layer inboard parcel has built-in heat preservation, flexible heat preservation, extension heat preservation, built-in pipeline in proper order, flexible heat preservation outward flange is annular array and has seted up groove one, and annular array has been seted up to its flexible heat preservation inboard, extension heat preservation outward flange is annular array and is equipped with trapezoidal arch, and blocks into the dovetail groove, and its extension heat preservation medial surface is annular array and has seted up groove two.

Through the technical scheme, further, the inner side surface of the extension heat preservation layer is wrapped with the built-in pipeline.

Further, a heat preservation cavity is formed between the telescopic heat preservation layer and the extension heat preservation layer.

As a preferable technical scheme, the telescopic heat-insulating layer is inserted into the built-in heat-insulating layer, and the inner side of the telescopic heat-insulating layer is inserted with the extension heat-insulating layer.

Compared with the prior art, the utility model provides the heat preservation pipe, which has the following beneficial effects:

1. referring to fig. 1-3, it can be seen that by providing a telescopic insulation layer and an extension insulation layer, the outer surface of the telescopic insulation layer is provided with a groove one in an annular array, the inner side of the telescopic insulation layer is provided with a trapezoid groove in an annular array, the outer surface of the extension insulation layer is provided with a trapezoid protrusion in an annular array and is clamped into the trapezoid groove, the inner side of the extension insulation layer is provided with a groove two in an annular array, according to the attached drawing, a group of cavities are formed between the telescopic insulation layer and the extension insulation layer, the cavities can play a good role in heat preservation, and secondly, due to slotting, the telescopic insulation layer and the extension insulation layer can be well extended under the change of temperature, so that the damage problem of a pipeline caused by thermal expansion and contraction is prevented, and through the description, the insulation pipe can simultaneously have the insulation effect and the extension effect, and meanwhile, the defect problem of the insulation pipe in chinese patent CN214037374U is solved.

Drawings

FIG. 1 is a schematic view of a heat preservation pipe structure according to the present utility model;

FIG. 2 is an enlarged schematic view of a portion of the insulating tube of FIG. 2;

fig. 3 is a schematic structural diagram of a telescopic insulation layer and an extensible insulation layer of an insulation pipe according to the present utility model.

In the figure: 1. a peripheral layer; 2. a heat preservation layer is arranged in the inner part; 3. a telescopic heat preservation layer; 4. extending the heat preservation layer; 5. and a pipeline is arranged in the pipeline.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a thermal insulation pipe, includes the thermal insulation pipe, the thermal insulation pipe outward face is provided with peripheral layer 1, the inboard parcel of peripheral layer 1 has built-in heat preservation 2, flexible heat preservation 3, extension heat preservation 4, built-in pipeline 5 in proper order, groove one has been seted up to flexible heat preservation 3 outward appearance annular array, the trapezoidal groove has been seted up to flexible heat preservation 3 inboard in annular array, extension heat preservation 4 outward appearance annular array is equipped with trapezoidal arch, and block into the trapezoidal inslot, groove two has been seted up to the annular array of its extension heat preservation 4 inward side.

In this embodiment, the specific working principle is as follows: in order to improve the heat preservation effect and the extension effect of the existing heat preservation pipe, see fig. 1-3, the trapezoid-shaped groove is formed in the inner side of the telescopic heat preservation layer 3 and the inner side of the extension heat preservation layer 4 through the annular array of the telescopic heat preservation layer 3 after installation, the annular array of the outer surface of the extension heat preservation layer 4 is provided with the trapezoid-shaped protrusions, a cavity structure can be formed, the heat preservation effect can be achieved through the cavity structure, the trapezoid-shaped groove is formed in the annular array of the inner side of the cavity structure and the inner side of the heat preservation layer 3, the annular array of the outer surface of the extension heat preservation layer 4 is provided with the trapezoid-shaped protrusions, the ductility of the telescopic heat preservation layer 3 and the extension heat preservation layer 4 is improved, the extension effect can be achieved under the condition of temperature change, and accordingly the heat preservation pipe solves the problem that the heat preservation effect of the existing heat preservation pipe is not ideal, and the ductility of the heat preservation pipe is poor.

Referring to fig. 1, the inner side surface of the extended heat insulation layer 4 is wrapped with a built-in pipeline 5, and the built-in pipeline 5 is used for transporting water, petroleum and the like.

Referring to fig. 1 and 3, a heat-insulating cavity is formed between the telescopic heat-insulating layer 3 and the extension heat-insulating layer 4, and the heat-insulating cavity plays a role in insulating the built-in pipeline 5.

Referring to fig. 1, a telescopic thermal insulation layer 3 is inserted into a built-in thermal insulation layer 2, and an extension thermal insulation layer 4 is inserted into the inner side of the telescopic thermal insulation layer 3.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a thermal insulation pipe, includes the thermal insulation pipe, and the thermal insulation pipe outward flange is provided with peripheral layer (1), and its peripheral layer (1) inboard parcel has built-in heat preservation (2), flexible heat preservation (3), extension heat preservation (4), built-in pipeline (5) in proper order, its characterized in that:

the outer surface of the telescopic heat preservation layer (3) is provided with a groove I in an annular array, the inner side of the telescopic heat preservation layer (3) is provided with a trapezoid groove in an annular array, the outer surface of the extension heat preservation layer (4) is provided with a trapezoid bulge in an annular array and is clamped into the trapezoid groove, and the inner side of the extension heat preservation layer (4) is provided with a groove II in an annular array.

2. A thermal insulation pipe according to claim 1, wherein: the inner side of the extension heat preservation layer (4) is wrapped with a built-in pipeline (5).

3. A thermal insulation pipe according to claim 1, wherein: and a heat insulation cavity is formed between the telescopic heat insulation layer (3) and the extension heat insulation layer (4).

4. A thermal insulation pipe according to claim 1, wherein: the telescopic heat preservation layer (3) is inserted into the built-in heat preservation layer (2), and the inner side of the telescopic heat preservation layer (3) is inserted with the extension heat preservation layer (4).