CN216896225U

CN216896225U - Small-caliber aluminum pipe with surface protection function

Info

Publication number: CN216896225U
Application number: CN202220609215.3U
Authority: CN
Inventors: 郑德江; 盛黎明; 冷明冬; 刘文丽; 刘书兰; 阮花珍
Original assignee: Shaoxing Tianchen Aluminum Co ltd
Current assignee: Shaoxing Tianchen Aluminum Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-05
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a small-caliber aluminum pipe with a protected surface, which belongs to the technical field of aluminum pipes and comprises a connecting pipe and two pipelines, wherein a foam layer and a protecting cylinder are arranged on the pipelines, a pressing platform and a threaded cylinder are arranged on the protecting cylinder, fixed cylinders are arranged at two ends of the connecting pipe, and a piston cavity, a piston assembly and an annular air bag are arranged in the fixed cylinders; the pipeline is protected and insulated by the protection cylinder and the foam layer; the connection of the protective cylinder and the fixed cylinder and the connection of the annular air bag and the foam layer can be cancelled by screwing the threaded cylinder outwards, and the operation is simple and convenient.

Description

Small-caliber aluminum pipe with surface protection function

Technical Field

The utility model relates to the technical field of aluminum pipes, in particular to a small-caliber aluminum pipe with a protected surface.

Background

The small-bore aluminum pipe receives outside air temperature influence easily in the use to and collision damage etc. consequently, can set up foam cover isotructure in the outside of aluminum pipe usually, improve effects such as protection and heat preservation for the pipeline surface through the foam cover. But behind the pipeline outside is provided with protective structure such as foam cover, the tip of two pipelines when connecting through connection structure, connect inconveniently, and can not fix the tip of foam cover, lead to carrying out the connection in-process to the pipeline, the foam cover tip appears shifting even damage etc., influences protective effect etc..

Based on the above, the utility model designs a surface-protected small-caliber aluminum pipe to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a surface-protected small-caliber aluminum pipe to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a small-caliber aluminum pipe with surface protection comprises a connecting pipe and pipelines positioned at two sides of the connecting pipe, wherein an annular boss is fixed in the middle of the inner side of the connecting pipe, the inner side ends of the two pipelines are respectively contacted with two ends of the boss, fixing cylinders are symmetrically fixed at two ends of the connecting pipe, the outer side end of each fixing cylinder is in an open shape, the diameter of each fixing cylinder is larger than that of the connecting pipe, an annular piston cavity is arranged on the inner side section of each fixing cylinder, a piston assembly is arranged on each piston cavity, an annular air bag is fixed on the annular side wall, close to the center of each fixing cylinder, of the outer part of each piston cavity, a plurality of communication holes are uniformly formed in the side wall of each piston cavity in the circumferential direction and are communicated with the inner part of the annular air bag through the communication holes;

the outside cover of pipeline has the foam layer, the medial extremity on foam layer and the medial extremity butt of solid fixed cylinder, and medial section lateral wall and annular gasbag contact, the outside slip on foam layer has cup jointed a protection section of thick bamboo, the outside of protection section of thick bamboo has cup jointed a screw thread section of thick bamboo, the medial extremity is fixed with annular pressure platform, it is inboard to press the platform to be located a screw thread section of thick bamboo to correspond with the piston assembly in the solid fixed cylinder and be connected, be equipped with the screw thread on the lateral wall of solid fixed cylinder, and with the threaded connection on the screw thread section of thick bamboo inner wall.

Preferably, the piston assembly comprises an annular piston plate which is connected in the piston cavity in a sliding mode, a plurality of spring rods are uniformly arranged on one side, close to the pressing platform, of the piston plate in the circumferential direction, the outer side ends of the spring rods extend out of the piston cavity and are jointly fixed with the annular spring plate, and a plurality of springs are uniformly connected between the outer side ends of the spring plate and the piston cavity.

Preferably, the two ends of the boss are symmetrically set to be conical surfaces, the inner side surface of the pipeline is correspondingly set to be conical surfaces, and the conical surface of the pipeline is provided with the sealing rings and is contacted with the two ends of the boss through the sealing rings.

Preferably, a gasket is fixed to an inner end surface of the screw cylinder, and is in contact with an outer side surface of the platen and an outer side end of the fixed cylinder via the gasket.

Preferably, the outer side edge of the inner side surface of the pressing table is provided with a chamfer, and the inner side edge of the outer side end of the fixed cylinder is correspondingly provided with a chamfer.

Preferably, the outer side of the connecting pipe is sleeved with an annular foam pad, and a sleeve is fixed on the outer side of the annular foam pad.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the inner side ends of the two pipelines extend into the connecting pipe and are contacted with the two ends of the boss, then the threaded cylinder is screwed, the protective cylinder is connected with the fixed cylinder, the pressing platform acts on the piston assembly, the annular air bag is expanded, and thus the inner side end of the foam layer is extruded and positioned, the position between the foam layer and the pipelines is fixed, the inner side end of the foam layer is sealed, and the position stability, the protective effect and the like of the foam layer are improved; the pipeline is protected and insulated through the protection cylinder and the foam layer; when the fire protection cylinder is connected with the fixed cylinder and the annular air bag is connected with the foam layer, the threaded cylinder is screwed outwards, and the operation is simple and convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic structural view of a fixing cylinder according to the present invention;

FIG. 3 is a schematic view of the structure of the present invention at A.

In the drawings, the components represented by the respective reference numerals are listed below:

1-pipeline, 101-foam layer, 102-protective cylinder, 103-pressing table, 104-threaded cylinder and 105-sealing gasket;

2-connecting pipe, 201-boss, 202-fixed cylinder, 203-piston cavity, 204-communicating hole, 205-annular air bag, 206-piston plate, 207-spring rod, 208-spring plate;

3-sleeve, 301-annular foam pad.

Detailed Description

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

Example one

Referring to the drawings, the present invention provides a technical solution: a surface-protective small-caliber aluminum pipe comprises a connecting pipe 2 and pipelines 1 positioned at two sides of the connecting pipe 2, an annular boss 201 is fixed in the middle of the inner side of the connecting pipe 2, the inner side ends of the two pipelines 1 are respectively contacted with two ends of the boss 201, the position of the inner side end of the pipeline 1 relative to the connecting pipe 2 is limited by the boss 201, which is convenient for subsequent connection and fixation, and the like, the two ends of the connecting pipe 2 are symmetrically fixed with the fixed cylinders 202, the outer side end of the fixed cylinder 202 is arranged in an opening shape, the diameter of the fixed cylinder 202 is larger than that of the connecting pipe 2, an annular piston cavity 203 is arranged on the inner section of the fixed cylinder 202, a piston assembly is arranged on the piston cavity 203, an annular air bag 205 is fixed on the annular side wall of the outer part of the piston cavity 203 close to the center of the fixed cylinder 202, a plurality of communication holes 204 are uniformly formed in the side wall of the piston cavity 203 along the circumferential direction and are communicated with the interior of the annular air bag 205 through the communication holes 204;

the outside cover of pipeline 1 has foam layer 101, the medial extremity of foam layer 101 and the medial extremity butt of solid fixed cylinder 202, and the medial section lateral wall contacts with annular gasbag 205, the outside slip of foam layer 101 is cup jointed protection section of thick bamboo 102, the outside of protection section of thick bamboo 102 is cup jointed threaded cylinder 104, the medial extremity is fixed with annular pressure platform 103, it is inboard that pressure platform 103 is located threaded cylinder 104, and correspond with the piston assembly in solid fixed cylinder 202 and be connected, be equipped with the screw thread on the lateral wall of solid fixed cylinder 202, and with the threaded connection on the threaded cylinder 104 inner wall.

When two pipelines 1 are connected, the inner side ends of the two pipelines 1 extend into a connecting pipe 2 and contact with two ends of a boss 201, then the pipelines 1 are fixed with an external structure to realize the fixed connection of the pipelines 1 and the connecting pipe 2, then a screw cylinder 104 is screwed to enable the screw cylinder 104 to drive a pressing platform 103 and a protection cylinder 102 to move, the protection cylinder 102 is connected with a fixed cylinder 202 through screw threads, the pressing platform 103 acts on a piston assembly to enable an annular air bag 205 to bulge, so that the inner side end of a foam layer 101 is extruded and positioned, the position between the foam layer 101 and the pipelines 1 is fixed, the inner side end of the foam layer 101 is closed, the position stability and the protection effect of the foam layer 101 are improved, meanwhile, the pressing platform 103 on the protection cylinder 102 is fixed between the piston assembly and the screw cylinder 104 through the screw cylinders 104 on two sides, the position of the protection cylinder 102 is limited, and the protection and heat preservation effects and the like are provided for the pipelines 1 through the protection cylinder 102 and the foam layer 101 on the outer side of the pipelines 1, when the connection between the fire protection barrel 102 and the fixed barrel 202 and the connection between the annular air bag 205 and the foam layer 101 need to be taken, the threaded barrel 104 is screwed outwards, and the operation is simple and convenient.

The piston assembly comprises an annular piston plate 206 connected in the piston cavity 203 in a sliding mode, a plurality of spring rods 207 are uniformly arranged on one side, close to the pressing platform 103, of the piston plate 206 in the circumferential direction, the outer side ends of the spring rods 207 extend out of the piston cavity 203 and are jointly fixed with an annular spring plate 208, and a plurality of springs are uniformly connected between the outer side ends of the spring plate 208 and the piston cavity 203.

When the threaded cylinder 104 drives the protective cylinder 102 and the pressing table 103 to move, the pressing table 103 enters the fixed cylinder 202 and contacts with the spring plate 208, when the threaded cylinder 104 continues to rotate, the pressing table 103 moves along with the movement of the pressing table and extrudes the spring plate 208, so that the spring plate 208 compresses the spring, the spring plate 208 and the piston plate 206 are driven to move, gas in the piston cavity 203 enters the annular air bag 205 through the communication hole 204, and the air bag swells towards the foam layer 101 to extrude and position the foam layer 101; when the connection between the two pipes 1 is required, the pressing table 103 moves outwards, the piston plate 206 and the spring plate 208 return, the gas in the annular air bag 205 enters the piston cavity 203, the annular air bag 205 is contracted, the foam layer 101 is released, and the structures such as the pipes 1 and the foam layer 101 can be repaired and replaced.

Wherein, the outer side edge on the inner side of the pressing platform 103 is provided with a chamfer, and the inner side edge of the outer side end of the fixed cylinder 202 is correspondingly provided with a chamfer, so that the pressing platform 103 can smoothly enter the fixed cylinder 202 and is connected with the piston assembly.

Wherein, annular foam pad 301 has been cup jointed in the outside of connecting pipe 2, and annular foam pad 301's the outside is fixed with sleeve 3, provides the guard action for the surface of connecting pipe 2 through annular foam pad 301 and sleeve 3.

Example two

The structure of this embodiment is basically the same as embodiment one, the difference lies in, the both ends symmetry of boss 201 is established to the circular conical surface, and the medial surface of pipeline 1 corresponds and establishes to the circular conical surface, be equipped with the sealing washer on the circular conical surface of pipeline 1, and both ends contact through sealing washer and boss 201, be convenient for make pipeline 1 insert the connecting pipe 2 fast through the circular conical surface, make the both ends in close contact with of two pipeline 1 tip and boss 201 through the exterior structure, produce the squeezing action to the sealing washer through the circular conical surface, make the connection of boss 201 and pipeline 1 tip inseparabler, and improve the leakproofness of junction.

EXAMPLE III

The structure of this embodiment is substantially the same as that of the first embodiment, except that the sealing gasket 105 is fixed on the inner side end surface of the threaded cylinder 104, and the sealing gasket 105 contacts with the outer side surface of the pressing table 103 and the outer side end of the fixed cylinder 202, when the threaded cylinder 104 is screwed in place on the fixed cylinder 202, the outer side surface of the pressing table 103 is flush with the outer side end of the fixed cylinder 202, and the threaded cylinder 104 contacts with the pressing plate and the fixed cylinder 202 through the sealing gasket 105, so that the end of the fixed cylinder 202 is closed, water and the like in the fixed cylinder 202 are avoided, and the protection effect is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a small-bore aluminum pipe of surface protection, includes connecting pipe (2) and pipeline (1) that are located connecting pipe (2) both sides, its characterized in that: an annular boss (201) is fixed in the middle of the inner side of the connecting pipe (2), the inner side ends of the two pipelines (1) are respectively contacted with the two ends of the boss (201), fixed cylinders (202) are symmetrically fixed at the two ends of the connecting pipe (2), the outer side end of each fixed cylinder (202) is open, the diameter of each fixed cylinder (202) is larger than that of the connecting pipe (2), an annular piston cavity (203) is arranged on the inner side section of each fixed cylinder (202), a piston assembly is arranged on each piston cavity (203), an annular air bag (205) is fixed on the annular side wall, close to the center of each fixed cylinder (202), of the outer part of each piston cavity (203), a plurality of communication holes (204) are uniformly formed in the side wall of each piston cavity (203) in the circumferential direction, and the piston cavities are communicated with the inner parts of the annular air bags (205) through the communication holes (204);

the outside cover of pipeline (1) has foam layer (101), and the medial extremity of foam layer (101) and the medial extremity butt of solid fixed cylinder (202), and medial section lateral wall and annular gasbag (205) contact, the outside slip of foam layer (101) has cup jointed protective cylinder (102), and threaded cylinder (104) have been cup jointed in protective cylinder's (102) the outside, and the medial extremity is fixed with annular pressure platform (103), it is inboard that pressure platform (103) are located threaded cylinder (104) to correspond with the piston assembly in solid fixed cylinder (202) and be connected, be equipped with the screw thread on the lateral wall of solid fixed cylinder (202) to with threaded connection on the threaded cylinder (104) inner wall.

2. A surface-protected small-caliber aluminum tube according to claim 1, wherein: the piston assembly comprises an annular piston plate (206) which is connected in a piston cavity (203) in a sliding mode, a plurality of spring rods (207) are uniformly arranged on one side, close to the pressing platform (103), of the piston plate (206) in the circumferential direction, the outer side ends of the spring rods (207) extend out of the piston cavity (203), the annular spring plate (208) is fixed together, and a plurality of springs are uniformly connected between the outer side ends of the spring plate (208) and the piston cavity (203).

3. A surface-protected small-caliber aluminum tube according to claim 1, wherein: the two ends of the boss (201) are symmetrically arranged to be conical surfaces, the inner side surface of the pipeline (1) is correspondingly arranged to be conical surfaces, and the conical surfaces of the pipeline (1) are provided with sealing rings and are in contact with the two ends of the boss (201) through the sealing rings.

4. A surface-protected small-caliber aluminum tube according to claim 1, wherein: and a sealing gasket (105) is fixed on the inner side end surface of the threaded cylinder (104), and is in contact with the outer side surface of the pressing platform (103) and the outer side end of the fixed cylinder (202) through the sealing gasket (105).

5. A surface-protected small-caliber aluminum tube according to claim 1, wherein: and a chamfer is arranged at the outer side edge on the inner side surface of the pressing platform (103), and the inner side edge of the outer side end of the fixed cylinder (202) is correspondingly arranged to be a chamfer.

6. A surface-protected small-caliber aluminum tube according to claim 1, wherein: the outer side of the connecting pipe (2) is sleeved with an annular foam pad (301), and a sleeve (3) is fixed on the outer side of the annular foam pad (301).