WO2022166855A1

WO2022166855A1 - Gas collecting pipe assembly and air conditioning device

Info

Publication number: WO2022166855A1
Application number: PCT/CN2022/074847
Authority: WO
Inventors: 冯忠波; 廖相志
Original assignee: 浙江盾安人工环境股份有限公司
Priority date: 2021-02-07
Filing date: 2022-01-28
Publication date: 2022-08-11
Also published as: CN215063017U; KR20230119711A; JP2024508082A

Abstract

A gas collecting pipe assembly and an air conditioning device. The gas collecting pipe assembly comprises a main gas collecting pipe (1) and a branch pipe body (2) connected to one end of the main gas collecting pipe (1), wherein the branch pipe body (2) and the main gas collecting pipe (1) are integrally formed, and the inner diameter of the branch pipe body (2) is greater than the inner diameter of the main gas collecting pipe (1).

Description

Collector components and air conditioning equipment

Related applications

This application claims the priority of the Chinese patent application filed on February 7, 2021 with the application number of 202120364701.9 and the invention titled "Gas Collector Assembly and Air Conditioning Equipment", the entire contents of which are incorporated into this application by reference.

technical field

The present application relates to the technical field of refrigeration, and in particular, to a gas collecting pipe assembly and air conditioning equipment.

Background technique

The gas collecting pipe assembly generally includes a main gas collecting pipe and a branch pipe main body connected to one end of the main gas collecting pipe, and the branch pipe body can divide the fluid medium in the main gas collecting pipe. Usually, the main gas collecting pipe and the main body of the branch pipe are welded, but during the welding process, false welding or missing welding is likely to occur, which leads to the risk of leakage of the gas collecting pipe assembly.

SUMMARY OF THE INVENTION

In view of this, it is necessary to provide an air collecting pipe assembly and an air conditioner to solve the problem of leakage risk of the air collecting pipe assembly.

The application provides a gas collecting pipe assembly, the gas collecting pipe assembly comprises a main gas collecting pipe and a branch pipe main body connected to one end of the main gas collecting pipe, the branch pipe body and the main gas collecting pipe are integrally formed; and the inner diameter of the branch pipe body is larger than the inner diameter of the main gas collecting pipe.

In an embodiment of the present application, the main gas collecting pipe is formed by spinning to form the branch pipe main body, and the wall thickness of the branch pipe main body is smaller than the wall thickness of the main gas collecting pipe. The process of spinning is mature and the processing efficiency is high, which can improve the processing efficiency of the entire gas collecting pipe assembly, and the main body of the branch pipe processed by spinning has higher precision.

In an embodiment of the present application, the main gas collecting pipe is formed by cold stamping to form the branch pipe body, and the wall thickness of the branch pipe body is equal to the wall thickness of the main gas collecting pipe. In this way, the structure of the main body of the manifold is firmer, and the main body of the manifold is not easily deformed due to impact during the use of the gas collecting pipe assembly, thereby improving the service life of the gas collecting pipe assembly.

In an embodiment of the present application, the pipe branch body is provided with a plurality of pipe interfaces, and the pipe interfaces and the pipe branch body are integrally formed. In this way, there is no connection gap between the main body and the pipe interface, and there is no leakage problem when the fluid medium flows between the main body and the pipe interface. Therefore, the sealing degree of the entire gas collecting pipe assembly is greatly improved.

In an embodiment of the present application, the pipe interface includes a first interface and a second interface, the first interface is provided on the end of the branch pipe body away from the main gas collecting pipe, and the second interface is provided on the side wall of the branch pipe body. In this way, the setting position of the pipe interface is more flexible, and since the pipe interface connects the gas collecting branch pipe and the main body of the branch pipe, the setting position of the gas collecting branch pipe is also more flexible, which is conducive to the flexible setting of the main gas collecting pipe and the gas collecting pipe of the gas collecting pipe assembly according to the actual needs. The relative position of the branch.

In an embodiment of the present application, the second interface is formed by opening a hole in the side wall of the branch main body and flanging the hole at the opening. With this arrangement, the processing method of the second interface is simple, and the connection between the second interface and the main body of the branch pipe is firmer.

In an embodiment of the present application, the main body of the branch pipe and the main gas collecting pipe are connected by a conical transition structure, and the inclination angle of the outer surface of the conical transition structure is less than or equal to 45°.

In an embodiment of the present application, the number of the first ports is multiple, and the arrangement in this way is favorable for connecting a larger number of gas collecting branch pipes to the end of the branch main body. Alternatively, the number of the second ports is multiple, and this arrangement is beneficial to the side wall of the branch pipe main body being connected to a larger number of gas collecting branch pipes.

In an embodiment of the present application, the gas collecting pipe assembly further includes a plurality of gas collecting branch pipes, and the plurality of gas collecting branch pipes are correspondingly connected to a plurality of pipe interfaces; the gas collecting branch pipe includes a first branch pipe; the first branch pipe is inserted into the first interface, The inner wall of the first interface is provided with a first positioning bump, and the first branch pipe stops at the first positioning bump. With this arrangement, the depth of insertion of the first branch pipe into the first interface can be limited by the first positioning protrusion, thereby improving the assembly accuracy of the first branch pipe and the branch pipe main body.

In an embodiment of the present application, the gas collecting branch pipe includes a second branch pipe, the second branch pipe is inserted into the second port, and the outer wall of the second branch pipe is provided with a second positioning bump, and the second port stops at the second port. Locate bumps. In this way, the depth of inserting the second branch pipe into the second interface can be limited by the second positioning protrusion, thereby improving the assembly accuracy of the second branch pipe and the branch pipe main body.

The present application further provides an air conditioner, the air conditioner includes the air collecting pipe assembly described in any one of the above embodiments.

In the gas collecting pipe assembly and the air-conditioning equipment provided by this application, the branch pipe body and the main gas collecting pipe are integrally formed, and the integral molding refers to the one-time processing and forming of the branch pipe main body and the main gas collecting pipe, that is, the branch pipe main body and the main gas collecting pipe are not processed separately and then connected to each other. together. In this way, there is no connection gap between the main body of the branch pipe and the main gas collecting pipe, and there is no problem of leakage when the fluid medium flows between the main body of the branch pipe and the main gas collecting pipe. It can be seen from the above that the gas collecting pipe assembly provided by the present application solves the problem of leakage risk of the gas collecting pipe assembly.

Description of drawings

FIG. 1 is a schematic structural diagram of a gas collecting pipe assembly according to an embodiment of the present application.

FIG. 2 is an enlarged view of the position A shown in FIG. 1 .

Reference numerals: 1. Main gas collecting pipe; 2. Main body of branch pipe; 3. Pipe interface; 31. First interface; 32. Second interface; 4. Gas collecting branch pipe; 41, First branch pipe; 42, Second branch pipe; 43. The second positioning protrusion.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

It should be noted that when a component is referred to as being "mounted on" another component, it can be directly mounted on the other component or there may also be an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. When a component is said to be "fixed" to another component, it may be directly fixed to the other component or there may also be an intervening component.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the present application are for the purpose of describing particular embodiments only, and are not intended to limit the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 and FIG. 2, the present application provides a gas collecting pipe assembly, the gas collecting pipe assembly includes a main gas collecting pipe 1, a gas collecting branch pipe 4 and a branch pipe main body 2, the branch pipe main body 2 is connected to one end of the main gas collecting pipe 1, and the branch pipe main body 2 2. A plurality of pipe ports 3 are provided, and a plurality of gas collecting branch pipes 4 are correspondingly connected to the plurality of pipe ports 3. Usually, the fluid medium enters the branch pipe main body 2 from the plurality of gas collecting branch pipes 4 through the pipe interface 3, and then the fluid medium enters the main gas collecting pipe 1 from the branch pipe main body 2 to realize the collection of the fluid medium. In other cases, the fluid medium can also enter a plurality of gas collecting branch pipes 4 from the main gas collecting pipe 1 through the branch pipe main body 2 to realize the splitting of the fluid medium. In this embodiment, the inner diameter of the branch pipe main body 2 is larger than the inner diameter of the main gas collecting pipe 1 . This arrangement can enlarge the installation area of the branch pipe main body 2 , which is beneficial to the installation of the gas collecting branch pipe 4 on the branch pipe main body 2 . Moreover, the branch main body 2 and the main gas collecting pipe 1 are integrally formed, and the integral molding refers to the one-time processing and forming of the branch pipe main body 2 and the main gas collecting pipe 1, that is, the branch pipe main body 2 and the main gas collecting pipe 1 are not processed separately and then connected together. In this way, there is no connection gap between the branch pipe main body 2 and the main gas collecting pipe 1 , and there is no leakage problem when the fluid medium flows between the branch pipe main body 2 and the main gas collecting pipe 1 . It can be seen from the above that the gas collecting pipe assembly provided by the present application solves the problem of leakage risk of the gas collecting pipe assembly.

In one embodiment, the main gas collecting pipe 1 is formed by spinning to form the branch pipe main body 2 , and the wall thickness of the branch pipe main body 2 is smaller than the wall thickness of the main gas collecting pipe 1 . Spinning is to fix the main gas collecting pipe 1 on the mold of the spinning machine. When the main gas collecting pipe 1 rotates with the main shaft of the machine, pressurize the main gas collecting pipe 1 with a rotary wheel or a driving rod, so that the main gas collecting pipe 1 produces partial pressure. plastic deformation. In this embodiment, the inner diameter of the side wall of the main gas collecting pipe 1 is enlarged and the wall thickness is reduced after the spinning deformation, thereby forming the branch pipe main body 2 . The spinning process is mature and the processing efficiency is high, which can improve the processing efficiency of the entire gas collecting pipe assembly, and the branch pipe main body 2 processed by spinning has higher precision.

In another embodiment, the main gas collecting pipe 1 is formed by cold stamping to form the branch pipe main body 2 , and the wall thickness of the branch pipe main body 2 is equal to the wall thickness of the main gas collecting pipe 1 . Cold stamping is a press working method in which pressure is applied to the main gas collecting pipe 1 on a press by using a stamping die at normal temperature, so that the main gas collecting pipe 1 is plastically deformed. In this embodiment, after the side wall of the main gas collecting pipe 1 is deformed by cold stamping, the inner diameter of the main gas collecting pipe 1 is enlarged and the total length is shortened to form the branch pipe main body 2, and the wall thickness of the formed branch pipe main body 2 is equal to the main gas collecting pipe 1 wall thickness. In this way, the structure of the branch pipe body 2 is firmer, and the branch pipe body 2 is not easily deformed due to impact during the use of the gas collector pipe assembly, thereby improving the service life of the gas collector pipe assembly.

In one embodiment, the pipe interface 3 and the branch main body 2 are integrally formed. In this way, there is no connection gap between the branch body 2 and the pipe interface 3 , and there is no leakage problem when the fluid medium circulates between the branch body 2 and the pipe interface 3 . Therefore, the sealing degree of the entire gas collecting pipe assembly is greatly improved.

In one embodiment, as shown in Figures 1-2, the pipe interface 3 includes a first interface 31 and a second interface 32, the first interface 31 is provided at one end of the branch main body 2 away from the main gas collecting pipe 1, and the second interface 32 is provided on the side wall of the branch main body 2 . In this way, the setting position of the pipe interface 3 is more flexible, and because the pipe interface 3 connects the gas collecting branch pipe 4 and the branch pipe main body 2, the setting position of the gas collecting branch pipe 4 is also more flexible, which is conducive to the flexible setting of the main gas collecting pipe assembly according to actual needs. The relative position of the gas collecting pipe 1 and the gas collecting branch pipe 4 .

In one embodiment, as shown in FIGS. 1-2 , the second interface 32 is formed by opening a hole in the side wall of the branch main body 2 and flanging the opening. Specifically, a hole needs to be made on the side wall of the branch body 2 first, and then the side wall of the branch body 2 in the opening area is flanged toward the outside to form the second interface 32 . In this way, the processing method of the second interface 32 is simple, and the connection between the second interface 32 and the main body 2 is more firm. However, it is not limited to this, and the side wall of the branch main body 2 in the opening area can also be flanged toward the inside to form the second interface 32 .

In one embodiment, as shown in FIGS. 1-2 , the branch pipe main body 2 and the main gas collecting pipe 1 are connected by a tapered transition structure, and the inclination angle of the outer surface of the tapered transition structure is less than or equal to 45°. In this way, the connection between the branch pipe main body 2 and the main gas collecting pipe 1 is smoother.

In an embodiment, as shown in FIGS. 1-2 , the number of the first interfaces 31 is multiple. Since the first interface 31 is provided at the end of the branch main body 2 away from the main gas header 1 , a plurality of first interfaces 31 can be provided at the end of the branch main body 2 , which is beneficial for the end of the branch main body 2 to be connected to a larger number of collectors. Trachea 4.

In one embodiment, as shown in FIGS. 1-2 , the number of the second interfaces 32 is multiple. Since the second interface 32 is provided on the side wall of the branch main body 2 , a plurality of second interfaces 32 can be set on the side wall of the branch main body 2 , which is beneficial for the side wall of the branch main body 2 to be connected to a larger number of gas collecting branch pipes 4 . .

In one embodiment, as shown in FIGS. 1-2 , the gas collecting pipe assembly further includes a plurality of gas collecting branch pipes 4, the plurality of gas collecting branch pipes 4 are correspondingly connected to a plurality of pipe interfaces 3, and the gas collecting branch pipe 4 includes a first branch pipe 41, The first branch pipe 41 is inserted into the first interface 31 , and the inner wall of the first interface 31 is provided with a first positioning bump (not shown), and the first branch pipe 41 stops at the first positioning bump. In this way, the depth of the insertion of the first branch pipe 41 into the first interface 31 can be limited by the first positioning bump, thereby improving the assembly accuracy of the first branch pipe 41 and the branch pipe main body 2 .

In one embodiment, as shown in FIGS. 1-2 , the gas collecting branch pipe 4 includes a second branch pipe 42 , the second branch pipe 42 is inserted into the second interface 32 , and the outer wall of the second branch pipe 42 is provided with a second positioning protrusion. point, the second interface 32 stops at the second positioning bump. In this way, the depth of inserting the second branch pipe 42 into the second interface 32 can be limited by the second positioning protrusion, thereby improving the assembly accuracy of the second branch pipe 42 and the branch pipe main body 2 .

The technical features of the above-described embodiments can be combined arbitrarily. In order to simplify the description, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

Those of ordinary skill in the art should realize that the above embodiments are only used to illustrate the present application, rather than being used to limit the present application, as long as the above embodiments are appropriately changed within the spirit and scope of the present application and variations all fall within the scope of protection claimed in this application.

Claims

A gas collecting pipe assembly, characterized in that it comprises a main gas collecting pipe and a branch pipe main body connected to one end of the main gas collecting pipe, the branch pipe main body and the main gas collecting pipe are integrally formed; and the inner diameter of the branch pipe main body is larger than the The inner diameter of the main header.
The gas collecting pipe assembly of claim 1, wherein the main gas collecting pipe is formed by spinning to form the branch pipe body, and the wall thickness of the branch pipe body is smaller than that of the main gas collecting pipe.
The manifold assembly of claim 1 , wherein the main manifold body is formed by cold stamping, and the manifold body has a wall thickness equal to that of the main manifold.
The gas collecting pipe assembly according to claim 1, wherein the branch pipe body is provided with a plurality of pipe interfaces, and the pipe interfaces are integrally formed with the branch pipe body.
The gas collecting pipe assembly according to claim 4, wherein the pipe interface comprises a first interface and a second interface, the first interface is provided at an end of the branch pipe body away from the main gas collecting pipe, the second interface The interface is arranged on the side wall of the branch main body.
The gas collecting pipe assembly according to claim 5, wherein the second interface is formed by opening a hole in the side wall of the branch pipe main body and flanging the hole at the opening.
The gas collecting pipe assembly according to claim 1, wherein the branch pipe main body and the main gas collecting pipe are connected by a tapered transition structure, and the inclination angle of the outer surface of the tapered transition structure is less than or equal to 45°.
The gas collecting pipe assembly according to claim 5, wherein the gas collecting pipe assembly further comprises a plurality of gas collecting branch pipes, the plurality of the gas collecting branch pipes are correspondingly connected to the plurality of the pipe interfaces, and the gas collecting branch pipes comprise a first A branch pipe; the first branch pipe is inserted into the first interface, and the inner wall of the first interface is provided with a first positioning convex point, and the first branch pipe stops at the first positioning convex point.
The gas collecting pipe assembly according to claim 8, wherein the gas collecting branch pipe comprises a second branch pipe, the second branch pipe is inserted into the second interface, and an outer wall of the second branch pipe is provided with a second branch pipe A positioning bump, the second interface stops at the second positioning bump.
An air conditioner, characterized in that it comprises the air collecting pipe assembly according to any one of claims 1-9.