CN213088996U

CN213088996U - Alloy pipe for outdoor anti-freezing fluid transportation

Info

Publication number: CN213088996U
Application number: CN202021760121.3U
Authority: CN
Inventors: 黄宪著
Original assignee: Inner Mongolia Dongjiao Electric Power Equipment Co ltd
Current assignee: Inner Mongolia Dongjiao Electric Power Equipment Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-30
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to the technical field of alloy pipes, in particular to an alloy pipe for conveying outdoor anti-freezing fluid, which comprises an outer pipe body and an inner pipe body, wherein the sections of the outer pipe body and the inner pipe body are both in circular structures, and the inner pipe body is nested in the outer pipe body; first bulges are uniformly arranged on the inner side of the outer tube body, and first recesses are formed between the adjacent first bulges; second bulges are uniformly arranged on the outer side of the inner pipe body, and second recesses are formed between the adjacent second bulges; the first bulges are correspondingly clamped in the second recesses, and the second bulges are correspondingly clamped in the first recesses; the outer tube body is made of an alloy material, and the inner tube body is made of a rubber material; the pipeline provided by the utility model is formed by nesting the alloy material and the rubber material, so that the pipeline has the hardness of the alloy material and has long service life; meanwhile, the deformation capacity of the rubber material is utilized to adapt to volume change caused by cold and heat in the water flow conveying process.

Description

Alloy pipe for outdoor anti-freezing fluid transportation

Technical Field

The utility model relates to an alloy pipe technical field specifically is an outdoor frostproofing fluid is carried and is used alloy pipe.

Background

The alloy pipe is one kind of seamless steel pipe, and is divided into seamless pipe and high pressure heat resisting alloy pipe. The method is mainly different from the production standard and industry of the alloy pipe, and the mechanical property of the alloy pipe is changed by annealing and tempering the alloy pipe to achieve the required processing condition. The performance of the seamless steel pipe is higher than the changeable utilization value of a common seamless steel pipe, the alloy pipe contains more Cr in chemical components, and the seamless steel pipe has the performances of high temperature resistance, low temperature resistance and corrosion resistance.

The alloy pipe has excellent mechanical performance and wide application in liquid conveying industry; when the alloy pipe is used for conveying water, the volume of the water expands after the water is frozen due to the change of the external environment, the deformation capacity of the alloy pipe is poor, and the internal part of the alloy pipe is easy to crack due to the alternate cycle use of cold and heat, so that the service life of the alloy pipe is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor frostproofing fluid is carried and is used alloy pipe to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an alloy pipe for conveying outdoor antifreezing fluid comprises an outer pipe body and an inner pipe body, wherein the sections of the outer pipe body and the inner pipe body are both of circular structures, and the inner pipe body is nested in the outer pipe body; first bulges are uniformly arranged on the inner side of the outer tube body, and first recesses are formed between the adjacent first bulges; second bulges are uniformly arranged on the outer side of the inner pipe body, and second recesses are formed between the adjacent second bulges; the first bulges are correspondingly clamped in the second recesses, and the second bulges are correspondingly clamped in the first recesses; the outer tube body is made of an alloy material, and the inner tube body is made of a corrosion-resistant elastic rubber material.

Preferably, the side surface of the first protrusion is an inclined straight surface, and the two side surfaces are inclined inwards; the top of the first bulge is provided with an arc-shaped surface, the bottom of the first recess is provided with an arc-shaped surface, and the arc-shaped surfaces and the outer tube body are of concentric circle structures; the second protrusion and the second recess are respectively provided with an inclined surface and an arc surface which are matched with the second protrusion and the second recess.

Preferably, the first bulges are not less than 6 groups, and the second bulges are matched with the first bulges.

Preferably, the radian ratio of the first protrusion to the first recess is 1: 1.5-2.5.

Preferably, the second protrusion is provided with a plurality of buffer through holes, the cross section of each buffer through hole is circular, and the buffer through holes are arranged in the second protrusion in a plurality of groups.

Preferably, a reinforcing layer is arranged on the inner side of the inner tube body, and the reinforcing layer is of a net structure formed by weaving metal wires.

Preferably, the outer side of the outer pipe body is coated with an anti-corrosion paint.

Compared with the prior art, the beneficial effects of the utility model are that: the pipeline provided by the utility model is formed by nesting the alloy material and the rubber material, so that the pipeline has the hardness of the alloy material and has long service life; meanwhile, the deformation capacity of the rubber material is utilized to adapt to volume change caused by cold and hot water in the water flow conveying process, and the service life of the alloy pipe is further ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

reference numbers in the figures: 1. an outer tubular body; 11. a first protrusion; 12. a first recess; 2. an inner tube body; 21. a second protrusion; 22. a second recess; 23. a buffer through hole; 3. and a reinforcing layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: an alloy pipe for conveying outdoor antifreezing fluid comprises an outer pipe body 1 and an inner pipe body 2, wherein the sections of the outer pipe body 1 and the inner pipe body 2 are both of circular structures, and the inner pipe body 2 is nested in the outer pipe body 1; the inner side of the outer tube body 1 is uniformly provided with first bulges 11, and first recesses 12 are formed between the adjacent first bulges 11; second bulges 21 are uniformly arranged on the outer side of the inner tube body 2, and second recesses 22 are formed between the adjacent second bulges 21; the first protrusion 11 is correspondingly clamped in the second recess 22, and the second protrusion 21 is correspondingly clamped in the first recess 12; the outer tube 1 is made of an alloy material and the inner tube 2 is made of a corrosion-resistant elastic rubber material.

Further, the side surface of the first protrusion 11 is arranged as an inclined straight surface, and the two side surfaces are inclined inwards; the top of the first bulge 11 is an arc-shaped surface, the bottom of the first recess 12 is an arc-shaped surface, and the arc-shaped surfaces and the outer tube body 1 are of a concentric circle structure; the second protrusion 21 and the second recess 22 are respectively provided with an inclined surface and an arc surface which are matched with the second protrusion.

Furthermore, the first bulges 11 are provided with at least 6 groups, and the second bulges 21 are matched with the first bulges.

Furthermore, the radian ratio of the first protrusion 11 to the first recess 12 is 1: 1.5-2.5.

Further, the second protrusion 21 is provided with a plurality of buffer through holes 23, the cross section of each buffer through hole 23 is circular, and the plurality of groups of buffer through holes 23 are formed in the second protrusion 21.

Further, a reinforcing layer 3 is arranged on the inner side of the inner tube body 2, and the reinforcing layer 3 is a net-shaped structure formed by weaving metal wires.

Further, the outer side of the outer pipe body 1 is coated with anticorrosive paint.

The working principle is as follows: in practical application, water flows on the inner side of the inner pipe body 2; when water flow freezes and expands, the inner pipe body 2 can be extruded preferentially, the inner pipe body 2 is made of corrosion-resistant elastic rubber materials, has certain deformation capacity and can deform to adapt to the expansion condition of water freezing; meanwhile, a hollow buffer through hole 23 is formed in the inner pipe body 2, so that the inner pipe body 2 can deform and expand, a buffer space is further increased, and the alloy pipe is further protected.

The outer tube body 1 and the inner tube body 2 are mutually clamped through the first protrusion 11, the first recess 12, the second recess 22 and the second protrusion 21, the position between the first protrusion and the second recess is guaranteed, and the stability of the structure is avoided. The side of mutual slope makes things convenient for first protruding 11, first sunken 12 and the protruding 21 joint of second sunken 22, second, and the arcwall face of concentric circles is convenient for first protruding 11, first sunken 12 and the protruding 21 laminating each other of second sunken 22, second, reduces the gap of equipment back pipeline. The radian ratio of the first protrusion 11 to the first recess 12 is 1: 1.5-2.5, so that the size of the second protrusion 21 is larger than that of the first protrusion 11, the second protrusion 21 is made of rubber materials, and the first protrusion 11 is made of alloy materials. The plurality of circular buffer through holes 23 facilitates the rubber materials to be pressed against each other. The setting of enhancement layer 3 increases the internal strength of interior body 2, and the anticorrosive paint that coats outside outer body 1 protects outer body 1 and avoids the environmental impact.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an outdoor frostproofing fluid is carried and is used alloy pipe which characterized in that: the pipe joint comprises an outer pipe body (1) and an inner pipe body (2), wherein the sections of the outer pipe body (1) and the inner pipe body (2) are both circular structures, and the inner pipe body (2) is nested in the outer pipe body (1); the inner side of the outer tube body (1) is uniformly provided with first bulges (11), and first recesses (12) are formed between the adjacent first bulges (11); second bulges (21) are uniformly arranged on the outer side of the inner tube body (2), and second recesses (22) are formed between the adjacent second bulges (21); the first bulge (11) is correspondingly clamped in the second recess (22), and the second bulge (21) is correspondingly clamped in the first recess (12); the outer tube body (1) is made of an alloy material, and the inner tube body (2) is made of a corrosion-resistant elastic rubber material.

2. An alloy pipe for outdoor antifreeze fluid transfer according to claim 1, wherein: the side surface of the first bulge (11) is an inclined straight surface, and the two side surfaces are inclined inwards; the top of the first bulge (11) is set to be an arc-shaped surface, the bottom of the first recess (12) is set to be an arc-shaped surface, and the arc-shaped surfaces and the outer tube body (1) are of a concentric circle structure; the second protrusion (21) and the second recess (22) are respectively provided with an inclined surface and an arc surface which are matched with the second protrusion.

3. An alloy pipe for outdoor antifreeze fluid transfer according to claim 1, wherein: the first bulges (11) are not less than 6 groups, and the second bulges (21) are matched with the first bulges.

4. An alloy pipe for outdoor antifreeze fluid transfer according to claim 1, wherein: the radian ratio of the first protrusion (11) to the first recess (12) is 1: 1.5-2.5.

5. An alloy pipe for outdoor antifreeze fluid transfer according to claim 1, wherein: the second bulge (21) is internally provided with a buffer through hole (23), the section of the buffer through hole (23) is circular, and the buffer through holes (23) are provided with a plurality of groups in the second bulge (21).

6. An alloy pipe for outdoor antifreeze fluid transfer according to claim 1, wherein: the inner side of the inner tube body (2) is provided with a reinforcing layer (3), and the reinforcing layer (3) is of a net structure formed by weaving metal wires.

7. An alloy pipe for outdoor antifreeze fluid transfer according to claim 1, wherein: the outer side of the outer pipe body (1) is coated with anticorrosive paint.