CN210771010U

CN210771010U - Steel pipe that effect is good prevents frostbite

Info

Publication number: CN210771010U
Application number: CN201921534603.4U
Authority: CN
Inventors: 庄文俊; 郭建耇; 姚建兴
Original assignee: Jiangsu Xuansheng Metal Technology Co ltd
Current assignee: Jiangsu Xuansheng Metal Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-16
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses an effectual steel pipe prevents frostbite, including outer tube, inner tube, buffering subassembly and coupling mechanism, the buffering unit mount is on the inner wall of outer tube, and the inner tube setting is in the inside of outer tube, and the inner tube passes through buffering subassembly and outer union coupling, and the outer tube sets up to two, through coupling mechanism fixed connection between two outer tubes. The utility model discloses a set up the buffering subassembly, bolster and spring in the buffering subassembly mutually support, the volume expansion that produces when offsetting water and freezing, thereby avoided the pipeline to be frost crack, prevent frostbite and split the effect relatively good, through setting up the outer tube, the outer tube forms airtight space with the inner tube, through wherein setting up the heat preservation pad, can improve the temperature on body surface, the intensity of body has been strengthened on crack control layer simultaneously, prevent that tubular product from appearing the crackle because of the low temperature, and through setting up coupling mechanism, be convenient for install inner tube and outer tube, traditional bonding fixed mode has been eliminated, bring very big facility for the user.

Description

Steel pipe that effect is good prevents frostbite

Technical Field

The utility model relates to a steel pipe technical field specifically is a steel pipe that prevents frostbite effectually.

Background

The steel tube is mainly used for conveying fluid and powdery solid, exchanging heat energy, manufacturing mechanical parts and containers, wherein the conveying fluid is used in daily life of people, such as the conveying of water in a tap water steel pipe, however, in cold seasons, steel pipes exposed to the air, such as a heat collecting water pipe, a bare water supply pipe and a bare water discharge pipe for intermittent drainage of a flat-plate solar water heater, are usually frozen due to freezing in the sky, and at present, the measure of preventing the steel pipes from freezing is to wrap a heat insulating material outside the pipes, but the construction process is more complex, the fixing mode of adhesion is mostly adopted between the heat-insulating material and the steel pipe, the fixing method is more complicated, and is unfavorable for the change of insulation material, brings very big inconvenience for the user, for this reason we propose a steel pipe that prevents frostbite effectually to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel pipe that prevents frostbite effectually to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a steel pipe with a good anti-freezing effect comprises an outer pipe, an inner pipe, two buffer assemblies and a connecting mechanism, wherein the buffer assemblies are installed on the inner wall of the outer pipe;

the inner pipe comprises a pipe body, an anti-cracking layer and a protective layer, wherein the anti-cracking layer is arranged inside the pipe body, and the protective layer is arranged on the outer surface of the pipe body;

the buffer assembly comprises a buffer shell, the buffer shell is installed on the inner wall of the outer pipe, a spring is installed inside the buffer shell, one end, close to the outer pipe, of the spring is fixedly connected with the spring, a movable block is movably connected inside the buffer shell, one side, far away from the inner pipe, of the movable block is fixedly connected with the spring, and a buffer piece is fixedly connected to one side, far away from the spring, of the movable block;

the connecting mechanism comprises connecting plates, the connecting plates are arranged on the outer surfaces of the outer pipes and fixedly connected through bolts, and the two outer pipes are movably connected through limiting blocks.

Preferably, the bottom of outer tube is installed the protective sheath, the mounting panel is installed to the bottom of protective sheath.

Preferably, the anti-cracking layer is in a net shape and is woven by steel wires.

Preferably, the protective layer is an anticorrosive layer, and the protective layer is sprayed on the outer surface of the inner pipe.

Preferably, a heat insulation pad is arranged between the inner pipe and the outer pipe, and the inner side and the outer side of the heat insulation pad are respectively movably connected with the inner pipe and the outer pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up the buffering subassembly, bolster and spring in the buffering subassembly mutually support, the volume expansion that produces when offsetting water and freezing, thereby avoided the pipeline to be frost crack, prevent frostbite and split the effect relatively good, through setting up the outer tube, the outer tube forms airtight space with the inner tube, through wherein setting up the heat preservation pad, can improve the temperature on body surface, the intensity of body has been strengthened on crack control layer simultaneously, prevent that tubular product from appearing the crackle because of the low temperature, and through setting up coupling mechanism, be convenient for install inner tube and outer tube, traditional bonding fixed mode has been eliminated, bring very big facility for the user.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 according to the present invention;

fig. 3 is a partial enlarged view of B-B in fig. 1 according to the present invention.

In the figure: the heat-insulation pipe comprises an outer pipe 1, an inner pipe 2, a pipe body 21, a crack-prevention layer 22, a protective layer 23, a buffer assembly 3, a buffer shell 31, a spring 32, a movable block 33, a buffer 34, a connecting mechanism 4, a connecting plate 41, a bolt 42, a limiting block 43, a protective sleeve 5, a mounting plate 6 and a heat-insulation pad 7.

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.

Referring to fig. 1-3, a steel pipe with good anti-freezing effect comprises an outer pipe 1, an inner pipe 2, a buffer assembly 3 and a connecting mechanism 4, wherein a protective sleeve 5 is installed at the bottom of the outer pipe 1, a mounting plate 6 is installed at the bottom of the protective sleeve 5, the protective sleeve 5 and the mounting plate 6 are matched with each other to support a pipeline conveniently, the buffer assembly 3 is installed on the inner wall of the outer pipe 1, the inner pipe 2 is arranged inside the outer pipe 1, the inner pipe 2 is connected with the outer pipe 1 through the buffer assembly 3, a heat insulation pad 7 is installed between the inner pipe 2 and the outer pipe 1, the inner side and the outer side of the heat insulation pad 7 are respectively movably connected with the inner pipe 2 and the outer pipe 1, the heat insulation pad 7 is made of an elastic material, the heat insulation pad 7 is in a compressed state, the outer pipe 1 and the inner pipe 2 form a closed space, and the heat insulation, the number of the outer tubes 1 is two, and the two outer tubes 1 are fixedly connected through a connecting mechanism 4.

Inner tube 2 includes body 21, anti cracking layer 22 and protective layer 23, anti cracking layer 22 sets up the inside at body 21, anti cracking layer 22's appearance sets up to netted, anti cracking layer 22 adopts the steel wire to weave and forms, anti cracking layer 22 has strengthened body 21's intensity, prevent that tubular product from appearing the crackle because of the low temperature, protective layer 23 sets up the surface at body 21, protective layer 23 sets up to the anticorrosive coating, protective layer 23 spraying is at the surface of inner tube 2, through setting up the anticorrosive coating, the effect of protecting body 21 has been played, the speed of delaying body 21 corruption.

Buffering subassembly 3 includes buffering shell 31, buffering shell 31 is installed on the inner wall of outer tube 1, the internally mounted of buffering shell 31 has spring 32, spring 32 is close to the one end and its fixed connection of outer tube 1, the inside swing joint of buffering shell 31 has movable block 33, one side and spring 32 fixed connection of inner tube 2 are kept away from to movable block 33, one side fixedly connected with bolster 34 of spring 32 is kept away from to movable block 33, bolster 34 sets up to rubber buffer pad, through setting up buffering subassembly 3, bolster 34 and spring 32 in the buffering subassembly 3 mutually support, the volume inflation that produces when offsetting water freezes, thereby avoided the pipeline by frost crack, frost crack effect is relatively good.

Coupling mechanism 4 includes connecting plate 41, and connecting plate 41 is installed at the surface of outer tube 1, through bolt 42 fixed connection between two connecting plates 41, and bolt 42's surface mounting has the nut, through stopper 43 swing joint between two outer tubes 1, through setting up coupling mechanism 4, is convenient for install inner tube 2 and outer tube 1, has eliminated traditional bonding fixed mode.

The working principle is as follows: the buffer parts 34 and the springs 32 in the buffer assembly 3 are mutually matched to offset the volume expansion generated when water is frozen, thereby avoiding frost crack of the pipeline, the frost crack prevention effect is good, the outer pipe 1 and the inner pipe 2 form a closed space by arranging the outer pipe 1, the temperature of the surface of the pipe body 21 can be improved by arranging the heat insulation pad 7 in the closed space, meanwhile, the strength of the pipe body 21 is enhanced by the crack prevention layer 22, the pipe is prevented from cracking due to low temperature, the inner pipe 2 and the outer pipe 1 are convenient to install by arranging the connecting mechanism 4, the traditional bonding and fixing mode is eliminated, when the disassembly is needed, the outer pipe 1 on the upper right is taken out from the surface of the bolt 42 by the nut, the bolt 42 is taken out from between the two connecting plates 41, the outer pipe 1 on the upper right is taken out from the outer part of the inner pipe 2, the heat insulation pad 7 automatically drops from the outer part of the inner pipe 2, the pipeline can be disassembled, the limiting block 43 connects the two outer pipes 1, and then the connecting plate 41 is fixed through the bolt 42 and the nut, so that the pipeline can be installed, and the disassembly and the assembly are simple and convenient.

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 effectual steel pipe prevents frostbite, includes outer tube (1), inner tube (2), buffering subassembly (3) and coupling mechanism (4), its characterized in that: the buffer assembly (3) is installed on the inner wall of the outer pipe (1), the inner pipe (2) is arranged inside the outer pipe (1), the inner pipe (2) is connected with the outer pipe (1) through the buffer assembly (3), the number of the outer pipes (1) is two, and the two outer pipes (1) are fixedly connected through the connecting mechanism (4);

the inner pipe (2) comprises a pipe body (21), an anti-cracking layer (22) and a protective layer (23), wherein the anti-cracking layer (22) is arranged inside the pipe body (21), and the protective layer (23) is arranged on the outer surface of the pipe body (21);

the buffer assembly (3) comprises a buffer shell (31), the buffer shell (31) is installed on the inner wall of the outer pipe (1), a spring (32) is installed inside the buffer shell (31), one end, close to the outer pipe (1), of the spring (32) is fixedly connected with the outer pipe, a movable block (33) is movably connected inside the buffer shell (31), one side, far away from the inner pipe (2), of the movable block (33) is fixedly connected with the spring (32), and a buffer piece (34) is fixedly connected to one side, far away from the spring (32), of the movable block (33);

the connecting mechanism (4) comprises connecting plates (41), the connecting plates (41) are installed on the outer surfaces of the outer pipes (1), the two connecting plates (41) are fixedly connected through bolts (42), and the two outer pipes (1) are movably connected through limiting blocks (43).

2. The steel pipe with good antifreezing effect as claimed in claim 1, wherein: protective sheath (5) are installed to the bottom of outer tube (1), mounting panel (6) are installed to the bottom of protective sheath (5).

3. The steel pipe with good antifreezing effect as claimed in claim 1, wherein: the anti-cracking layer (22) is net-shaped, and the anti-cracking layer (22) is formed by weaving steel wires.

4. The steel pipe with good antifreezing effect as claimed in claim 1, wherein: the protective layer (23) is arranged as an anticorrosive layer, and the protective layer (23) is sprayed on the outer surface of the inner pipe (2).

5. The steel pipe with good antifreezing effect as claimed in claim 1, wherein: the heat-insulation cushion is characterized in that a heat-insulation cushion (7) is arranged between the inner pipe (2) and the outer pipe (1), and the inner side and the outer side of the heat-insulation cushion (7) are respectively movably connected with the inner pipe (2) and the outer pipe (1).