CN217108703U

CN217108703U - A structure for metal pipe fitting cross connection

Info

Publication number: CN217108703U
Application number: CN202221004754.0U
Authority: CN
Inventors: 杨健
Original assignee: Guangzhou Yingsteng Industrial Equipment Co ltd
Current assignee: Guangzhou Yingsteng Industrial Equipment Co ltd
Priority date: 2022-04-16
Filing date: 2022-04-16
Publication date: 2022-08-02
Anticipated expiration: 2032-04-16

Abstract

The utility model discloses a structure for cross connection of metal pipe fittings, which belongs to the technical field of pipe fittings and comprises a main pipe and an auxiliary pipe, wherein one end of the main pipe is provided with the auxiliary pipe, and the side walls of the main pipe and the auxiliary pipe are provided with a plurality of through grooves which are arranged at equal intervals; a first round pipe is arranged in the auxiliary pipe, and a second round pipe is sleeved at one end of the main pipe, which is far away from the auxiliary pipe; the anti-skidding structure is characterized in that a plurality of anti-skidding lines are formed on the outer wall of the main pipe and the inner wall of the auxiliary pipe, the main pipe and the auxiliary pipe are of an integrally formed structure, and inner anti-corrosion layers are coated on the inner walls of the main pipe and the auxiliary pipe. This a structure for metal pipe fitting cross connection has improved stability, has protected the environment.

Description

A structure for metal pipe fitting cross connection

Technical Field

The utility model belongs to the technical field of the pipe fitting, concretely relates to a structure for metal pipe fitting cross connection.

Background

The pipe fitting is a general name of parts in a pipeline system which play roles in connection, control, direction change, flow distribution, sealing, supporting and the like. The types of the pipe fitting are: 1. pipe fittings for interconnecting pipes, such as flanges, unions, pipe hoops, clamps, ferrules, throat hoops, and the like; 2. pipe fittings for changing the direction of the pipe, such as elbows and bends; 3. pipe fittings for changing the pipe diameter of the pipe, such as reducing pipes, reducing elbows, branch pipe stands, reinforcing pipes and the like. The pipelines made of common metal materials are connected by welding, and smoke generated in the welding process pollutes the environment.

Therefore, in view of the current situation, it is urgently needed to design and produce a structure for cross-connecting metal pipe fittings so as to meet the requirements of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure for metal pipe spare cross connection to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a structure for cross connection of metal pipe fittings comprises a main pipe and auxiliary pipes, wherein one end of the main pipe is provided with the auxiliary pipes, and the side walls of the main pipe and the auxiliary pipes are provided with through grooves which are arranged at equal intervals;

a first round pipe is arranged in the auxiliary pipe, and a second round pipe is sleeved at one end of the main pipe, which is far away from the auxiliary pipe;

the outer wall of the main pipe and the inner wall of the auxiliary pipe are both provided with a plurality of anti-skid grains.

In a further embodiment, the primary tube and the secondary tube are of an integrally formed construction.

In a further embodiment, the inner walls of the primary and secondary pipes are coated with an inner corrosion protection layer.

In a further embodiment, the outer walls of the primary and secondary pipes are coated with an outer corrosion protection layer.

In a further embodiment, the inner anti-corrosion layer is made of novolac epoxy.

In a further embodiment, the outer corrosion protection layer is an epoxy resin composite.

In a further embodiment, the main tube is made of an aluminum alloy material, and the first and second circular tubes are each made of a metal material.

The utility model discloses a technological effect and advantage: according to the structure for the cross connection of the metal pipe fittings, after the first round pipe is inserted into the auxiliary pipe, special expansion and compression equipment is used for being inserted into the first round pipe, the first round pipe is expanded when the equipment works, and the first round pipe at the contact part of the first round pipe and the through groove on the auxiliary pipe is extruded into the through groove after expansion and deformation, so that the first round pipe and the auxiliary pipe are firmly connected, welding procedures are reduced, and the environment is protected;

the anti-slip lines on the inner wall of the auxiliary pipe increase the friction force between the first circular pipe and the auxiliary pipe, and the stability after connection is improved;

the inner anticorrosive layer made of the novolac epoxy material and the outer anticorrosive layer made of the epoxy resin composite material improve the anticorrosive capacity of the main pipe and the auxiliary pipe, prolong the service life, improve the stability and protect the environment due to the structure for cross connection of the metal pipe fittings.

Drawings

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

fig. 2 is a cross-sectional view taken along the direction a-a in fig. 1 according to the present invention.

In the figure: 1. a main pipe; 2. a secondary pipe; 201. an outer corrosion resistant layer; 202. an inner corrosion resistant layer; 3. a first circular tube; 4. a through groove; 5. a second circular tube.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to reduce the pollution of the welding connection to the environment, the structure for the cross connection of the metal pipe fittings shown in fig. 1 and 2 comprises a main pipe 1 and an auxiliary pipe 2, wherein the auxiliary pipe 2 is arranged at one end of the main pipe 1, 4 to 6 through grooves 4 which are arranged at equal intervals are formed in the side walls of the main pipe 1 and the auxiliary pipe 2, a first circular pipe 3 is arranged in the auxiliary pipe 2, a second circular pipe 5 is sleeved at one end of the main pipe 1, which is far away from the auxiliary pipe 2, the main pipe 1 is made of an aluminum alloy material, the first circular pipe 3 and the second circular pipe 5 are both made of a metal material, after the first circular pipe 3 is inserted into the auxiliary pipe 2, special expansion and compression equipment is used for inserting the first circular pipe 3 into the first circular pipe 3, when the equipment works, the first circular pipe 3 expands, and the first circular pipe 3 at the contact position with the through grooves 4 on the auxiliary pipe 2 is extruded into the through grooves 4 after the expansion and the deformation, so that the firm connection of the first circular pipe 3 and the auxiliary pipe 2 is realized, and the welding process is reduced, the environment is protected;

in order to increase the friction force and improve the stability after connection, the outer wall of the main pipe 1 and the inner wall of the auxiliary pipe 2 are both provided with a plurality of anti-skid grains.

The main pipe 1 and the auxiliary pipe 2 are of an integrally formed structure, and the integral strength is guaranteed.

In order to improve the corrosion resistance of the main pipe 1 and the secondary pipe 2, as shown in fig. 2, inner corrosion-resistant layers 202 are coated on the inner walls of the main pipe 1 and the secondary pipe 2, outer corrosion-resistant layers 201 are coated on the outer walls of the main pipe 1 and the secondary pipe 2, the inner corrosion-resistant layers 202 are made of phenolic epoxy, and the outer corrosion-resistant layers 201 are made of epoxy resin composite materials.

According to the working principle, after the first circular tube 3 is inserted into the auxiliary tube 2, special expansion and compression equipment is used for inserting the first circular tube 3, and the first circular tube 3 is expanded when the equipment works;

the first circular tube 3 at the contact part with the through groove 4 on the secondary tube 2 is extruded into the through groove 4 after expansion and deformation, so that the first circular tube 3 and the secondary tube 2 are firmly connected, the welding process is reduced, and the environment is protected;

the inner anticorrosive layer 202 coated on the inner walls of the main pipe 1 and the auxiliary pipe 2 and the outer anticorrosive layer 201 coated on the outer walls of the main pipe 1 and the auxiliary pipe 2 improve the corrosion resistance of the main pipe 1 and the auxiliary pipe 2 and prolong the service life.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A structure for cross-connection of metal pipes comprising a main pipe (1) and an auxiliary pipe (2), characterized in that: an auxiliary pipe (2) is arranged at one end of the main pipe (1), and 4-6 through grooves (4) which are arranged at equal intervals are formed in the side walls of the main pipe (1) and the auxiliary pipe (2);

a first round pipe (3) is arranged in the auxiliary pipe (2), and a second round pipe (5) is sleeved at one end, far away from the auxiliary pipe (2), of the main pipe (1);

the outer wall of the main pipe (1) and the inner wall of the auxiliary pipe (2) are both provided with a plurality of anti-skidding threads.

2. A structure for cross-connecting metal pipes according to claim 1, characterized in that: the main pipe (1) and the auxiliary pipe (2) are of an integrally formed structure.

3. A structure for cross-connecting metal pipes according to claim 1, characterized in that: the inner walls of the main pipe (1) and the auxiliary pipe (2) are coated with inner anticorrosive layers (202).

4. A structure for cross-connecting metal pipes according to claim 3, characterized in that: the outer walls of the main pipe (1) and the auxiliary pipe (2) are coated with outer anticorrosive layers (201).

5. A structure for cross-connecting metal pipes according to claim 3, characterized in that: the inner anti-corrosion layer (202) is made of phenolic epoxy materials.

6. A structure for cross-connecting metal pipes according to claim 4, characterized in that: the outer anticorrosive layer (201) is made of epoxy resin composite material.

7. A structure for cross-connecting metal pipes according to claim 1, characterized in that: the main pipe (1) is made of an aluminum alloy material, and the first round pipe (3) and the second round pipe (5) are made of metal materials.