JP2024508082A - Air collection pipe assembly and air conditioner - Google Patents

Abstract

It includes a main air collection pipe (1) and a branch pipe main body (2) connected to one end of the main air collection pipe (1), and the branch pipe main body (2) and the main air collection pipe (1) are integrally molded. , and the inner diameter of the branch pipe body (2) is larger than the inner diameter of the main air collection pipe (1), the air collection pipe assembly and air conditioner. [Selection diagram] Figure 1

Description

Related Applications This application claims priority to a Chinese patent application filed on February 7, 2021, with application number 202120364701.9 and the title of the invention is "Air collection pipe assembly and air conditioning device". , the entire contents of which are incorporated by reference into this application.

TECHNICAL FIELD This application relates to the technical field of refrigeration, and more particularly, to collection pipe assemblies and air conditioners.

The air collection pipe assembly typically includes a main air collection pipe and a branch pipe body connected to one end of the main air collection pipe and capable of diverting a fluid medium within the main air collection pipe. Usually, the main air collection pipe and the branch pipe body are welded, but during the welding process, welding defects or weld leaks are likely to occur, so there is a risk of leakage occurring in the air collection pipe assembly.

In view of this, there is a need to provide an air collection pipe assembly and an air conditioner that solves the problem that there is a risk of leakage in the air collection pipe assembly.

The present application includes a main air collection pipe and a branch pipe body connected to one end of the main air collection pipe, the branch pipe body and the main air collection pipe are integrally molded, and the inner diameter of the branch pipe body is equal to that of the main air collection pipe. providing an air collection tube assembly having an inner diameter greater than the inner diameter of the air collection tube assembly;

In one embodiment of the present application, the main air collection pipe forms the branch pipe body by spinning, and the wall thickness of the branch pipe body is smaller than the wall thickness of the main air collection pipe. Spinning is a mature process and has high processing efficiency, so it can improve the processing efficiency of the entire air collection pipe assembly, and the branch pipe body processed by spinning has higher precision.

In one embodiment of the present application, the main air collection pipe forms the branch pipe body by cold pressing, and the wall thickness of the branch pipe body is equal to the wall thickness of the main air collection pipe. With this configuration, the structure of the branch pipe body becomes more robust, and the branch pipe body is less likely to be deformed even if subjected to impact during the use process of the air collection pipe assembly, thereby improving the service life of the air collection pipe assembly.

In one embodiment of the present application, the branch pipe main body is provided with a plurality of pipe connection ports, and the pipe connection ports and the branch pipe main body are integrally molded. With such a configuration, there is no connection gap between the branch pipe body and the pipe connection port, and the problem of leakage occurring when the fluid medium flows between the branch pipe body and the pipe connection port is eliminated. This greatly improves the tightness of the entire air collection pipe assembly.

In one embodiment of the present application, the pipe connection port includes a first connection port provided at one end of the branch pipe main body remote from the main air collection pipe, and a second connection port provided in a side wall of the branch pipe main body. This allows more freedom in the installation position of the pipe connection port, and since the pipe connection port connects the air collection branch pipe and the branch pipe main body, the installation position of the air collection branch pipe is also freer, and the air collection branch pipe can be installed more freely. In the assembly, it is advantageous to freely provide the relative positions of the main air collection pipe and the air collection branch pipe according to actual needs.

In one embodiment of the present application, the second connection port is formed by opening a hole in the side wall of the branch pipe body and flanging the hole portion. Such a configuration simplifies the processing method for the second connection port, and makes the connection between the second connection port and the branch pipe body more robust.

In one embodiment of the present application, the branch pipe body and the main air collection pipe are connected by a conical transition structure, and the inclination angle of the outer surface of the conical transition structure is 45° or less.

In one embodiment of the present application, the number of first connection ports is plural, and such a configuration is advantageous in connecting more air collection branch pipes to the ends of the branch pipe main body. Alternatively, the number of second connection ports is plural, and such a configuration is advantageous in connecting more air collection branch pipes to the side wall of the branch pipe main body.

In one embodiment of the present application, the air collection pipe assembly further includes a plurality of air collection branch pipes, the plurality of air collection branch pipes are connected to the plurality of pipe connections, and the air collection branch pipe is connected to the first branch. The first branch pipe is inserted into the first connection port, and the inner wall of the first connection port is provided with a first positioning protrusion, and the first branch pipe is abutted against the first positioning protrusion. With this configuration, the insertion depth of the first branch pipe into the first connection port can be limited by the first positioning protrusion point, thereby improving the assembly accuracy of the first branch pipe and the branch pipe main body. .

In one embodiment of the present application, the air collection branch pipe includes a second branch pipe, the second branch pipe is inserted into the second connection port, and the outer wall of the second branch pipe is provided with a second positioning protrusion point. , the second connection port abuts against the second positioning protrusion. With such a configuration, the insertion depth of the second branch pipe into the second connection port can be limited by the second positioning protrusion point, thereby improving the assembly accuracy of the second branch pipe and the branch pipe main body. .

The present application further provides an air conditioner comprising an air collecting pipe assembly as described in any of the above embodiments.

In the air collecting pipe assembly and air conditioner provided by the present application, the branch pipe main body and the main air collecting pipe are integrally molded. This means that the branch pipe main body and the main air collection pipe are not processed separately and then connected. As a result, there is no connection gap between the branch pipe main body and the main air collection pipe, and the problem of leakage occurring when the fluid medium flows between the branch pipe main body and the main air collection pipe is eliminated. As can be seen from the above, the air collection tube assembly provided by the present application solves the problem that there is a risk of leakage in the air collection tube assembly.

FIG. 1 is a schematic configuration diagram of an air collecting pipe assembly according to an embodiment of the present application. FIG. 2 is an enlarged view of A shown in FIG. 1;

1 Main air collection pipe, 2 Branch pipe body, 3 Pipe connection port, 31 First connection port, 32 Second connection port, 4 Air collection branch pipe, 41 First branch pipe, 42 Second branch pipe, 43 Second positioning protrusion .

In the following, technical aspects of embodiments of the present application will be clearly and completely described with reference to drawings in the embodiments of the present application, but the described embodiments are merely some embodiments of the present application. , needless to say, is not applicable to all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in this application without creative efforts fall within the scope of protection of this application.

Note that when an assembly is said to be "incorporated" into another assembly, it may be directly integrated into another assembly, or there may be an intervening assembly. When one assembly is considered to be "attached" to another assembly, it may be directly attached to another assembly, or intervening assemblies may be present at the same time. When one assembly is considered "fixed" to another assembly, it may be directly fixed to the other assembly, or intervening assemblies may be present at the same time.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application applies. The terminology used herein in the specification of the present application is for the purpose of describing specific embodiments only and is not intended to limit the present application. The term "and/or" as used herein includes any and all combinations of the related items one or more.

Referring to FIGS. 1 and 2, the present application includes a main air collection pipe 1, an air collection branch pipe 4, and a branch pipe main body 2 connected to one end of the main air collection pipe 1 and provided with a plurality of pipe connection ports 3. and the plurality of air collection branch pipes 4 are connected to the plurality of pipe connections 3 correspondingly, providing an air collection pipe assembly. Usually, the fluid medium enters the branch pipe main body 2 from the plurality of air collection branch pipes 4 through the pipe connection port 3, and then enters the main air collection pipe 1 from the branch pipe main body 2, so that the fluid medium is collected. Realized. In other cases, the fluid medium can also pass from the main air collection pipe 1 through the branch pipe body 2 into the plurality of air collection branches 4 to realize the division 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 air collection pipe 1. With such a configuration, the attachment area of the branch pipe main body 2 can be increased, and the attachment of the air collection branch pipe 4 to the branch pipe main body 2 becomes advantageous. Further, the branch pipe main body 2 and the main air collection pipe 1 are integrally molded, and integrally molded means that the branch pipe main body 2 and the main air collection pipe 1 are processed and formed at the same time. 2 and the main air collection pipe 1 are not connected after being processed separately. As a result, there is no connection gap between the branch pipe main body 2 and the main air collection pipe 1, and the problem of leakage occurring when the fluid medium flows between the branch pipe main body 2 and the main air collection pipe 1 is eliminated. . As can be seen from the above, the air collection tube assembly provided by the present application solves the problem that there is a risk of leakage in the air collection tube assembly.

In one embodiment, the main air collection pipe 1 forms the branch pipe main body 2 by spinning, and the wall thickness of the branch pipe main body 2 is smaller than the wall thickness of the main air collection pipe 1. Spinning processing involves fixing the main air collection pipe 1 to the mold of a spinning machine and rotating it together with the main shaft of the machine tool, while at the same time pressurizing the main air collection pipe 1 with a roller or spatula to partially split the main air collection pipe 1. plastically deformed. In this embodiment, after the side wall of the main air collection pipe 1 is deformed by spinning, the inner diameter becomes larger and the wall thickness becomes thinner, thereby forming the branch pipe main body 2. Spinning is a mature process and has high processing efficiency, so it can improve the processing efficiency of the entire air collecting pipe assembly, and the branch pipe body 2 processed by spinning has higher precision.

In another embodiment, the main air collection pipe 1 is formed into a branch pipe body 2 by cold pressing, and the wall thickness of the branch pipe body 2 is equal to the wall thickness of the main air collection pipe 1. Cold pressing is a pressure working method in which pressure is applied to the main air collecting pipe 1 on a press machine using a press mold to plastically deform the main air collecting pipe 1 at room temperature. In this embodiment, after the side wall of the main air collecting pipe 1 is deformed by cold pressing, the inner diameter of the main air collecting pipe 1 becomes larger and the overall length becomes shorter, thereby forming the branch pipe main body 2, and the formed branch pipe. The wall thickness of the tube body 2 is equal to the wall thickness of the main air collection pipe 1. With this configuration, the structure of the branch pipe main body 2 becomes more robust, and the branch pipe main body 2 is less likely to deform even if subjected to impact during the use process of the air collection pipe assembly, thereby improving the service life of the air collection pipe assembly. .

In one embodiment, the pipe connection port 3 and the branch pipe body 2 are integrally molded. With such a configuration, there is no connection gap between the branch pipe main body 2 and the pipe connection port 3, and leakage occurs when the fluid medium flows between the branch pipe main body 2 and the pipe connection port 3. The problem disappears. This greatly improves the tightness of the entire air collection pipe assembly.

In one embodiment, as shown in FIGS. 1 and 2, the pipe connection port 3 includes a first connection port 31 provided at one end of the branch pipe main body 2 remote from the main air collection pipe 1, and a side wall of the branch pipe main body 2. and a second connection port 32 provided in the second connection port 32 . This allows more freedom in the installation position of the pipe connection port 3, and since the pipe connection port 3 connects the air collection branch pipe 4 and the branch pipe main body 2, the installation position of the air collection branch pipe 4 is also more flexible. Therefore, in the air collection pipe assembly, it is advantageous to freely set the relative positions of the main air collection pipe 1 and the air collection branch pipe 4 according to actual needs.

In one embodiment, as shown in FIGS. 1 and 2, the second connection port 32 is formed by opening a hole in the side wall of the branch pipe main body 2 and flanging the hole portion. Specifically, it is first necessary to make a hole in the side wall of the branch pipe main body 2, and then the second connection port 32 is formed by flanging the side wall of the branch pipe main body 2 in the hole area outward. do. Such a configuration simplifies the processing method of the second connection port 32 and makes the connection between the second connection port 32 and the branch pipe main body 2 more robust. However, the present invention is not limited thereto, and the second connection port 32 may be formed by flanging the side wall of the branch pipe main body 2 in the open hole region inward.

In one embodiment, as shown in FIGS. 1 and 2, the branch pipe main body 2 and the main air collection pipe 1 are connected by a conical transition structure, and the inclination angle of the outer surface of the conical transition structure is 45° or less. be. This makes the connection between the branch pipe main body 2 and the main air collection pipe 1 smoother.

In one embodiment, as shown in FIGS. 1 and 2, the number of first connection ports 31 is plural. Since the first connection port 31 is provided at one end of the branch pipe main body 2 remote from the main air collection pipe 1, a plurality of first connection ports 31 can be provided at the end of the branch pipe main body 2. It is advantageous to connect more air collection branch pipes 4 to the ends of the pipes.

In one embodiment, the number of second connection ports 32 is plural, as shown in FIGS. 1-2. Since the second connection port 32 is provided on the side wall of the branch pipe main body 2, a plurality of second connection ports 32 can be provided on the side wall of the branch pipe main body 2, and the air collection branch pipe 4 can be provided on the side wall of the branch pipe main body 2. It is advantageous to connect more.

In one embodiment, as shown in FIGS. 1 to 2, the air collection pipe assembly further includes a plurality of air collection branch pipes 4, and the plurality of air collection branch pipes 4 are correspondingly connected to the plurality of pipe connections 3. The air collection branch pipe 4 includes a first branch pipe 41, the first branch pipe 41 is inserted into the first connection port 31, and the inner wall of the first connection port 31 has a first positioning protrusion point (not shown). ), and the first branch pipe 41 abuts against the first positioning projection point. With such a configuration, the insertion depth of the first branch pipe 41 into the first connection port 31 can be limited by the first positioning protrusion point, and thereby the assembly of the first branch pipe 41 and the branch pipe main body 2 can be restricted. Improves accuracy.

In one embodiment, as shown in FIGS. 1 and 2, the air collection branch pipe 4 includes a second branch pipe 42, the second branch pipe 42 is inserted into the second connection port 32, and the second branch pipe 42 A second positioning protrusion is provided on the outer wall of the connector, and the second connection port 32 abuts against the second positioning protrusion. With such a configuration, the insertion depth of the second branch pipe 42 into the second connection port 32 can be limited by the second positioning protrusion point, and thereby the assembly of the second branch pipe 42 and the branch pipe main body 2 can be restricted. Improves accuracy.

The present application further provides an air conditioner comprising an air collecting pipe assembly as described in any of the above embodiments.

Each of the technical features of the embodiments described above can be combined in any manner, and for the sake of brevity, not all possible combinations of the technical features of the embodiments described above have been described. Any combination of features, unless inconsistent, should be considered within the range described herein.

Those skilled in the art will appreciate that the above embodiments are only for illustrative purposes and are not to be used as limitations on the present application, and that the above embodiments may be interpreted within the substantial spirit of the present application. It should be recognized that all reasonable modifications and changes made fall within the scope for which this application seeks protection.

Claims (10)

The main air collection pipe includes a main air collection pipe, and a branch pipe main body connected to one end of the main air collection pipe, the branch pipe main body and the main air collection pipe are integrally formed, and the inner diameter of the branch pipe main body is equal to An air collection tube assembly that is larger than the inner diameter of the trachea. The air collection pipe assembly according to claim 1, wherein the main air collection pipe forms the branch pipe body by spinning, and the wall thickness of the branch pipe body is smaller than the wall thickness of the main air collection pipe. The air collection pipe assembly according to claim 1, wherein the main air collection pipe forms the branch pipe body by cold pressing, and the wall thickness of the branch pipe body is equal to the wall thickness of the main air collection pipe. The air collection pipe assembly according to claim 1, wherein the branch pipe main body is provided with a plurality of pipe connection ports, and the pipe connection ports and the branch pipe main body are integrally molded. 5. The pipe connection port according to claim 4, wherein the pipe connection port includes a first connection port provided at one end of the branch pipe main body remote from the main air collection pipe, and a second connection port provided in a side wall of the branch pipe main body. The air collector assembly described. The air collecting pipe assembly according to claim 5, wherein the second connection port is formed by opening a hole in a side wall of the branch pipe body and flanging the opening site. The air collection pipe assembly according to claim 1, wherein the branch pipe body and the main air collection pipe are connected by a conical transition structure, and the inclination angle of the outer surface of the conical transition structure is 45 degrees or less. The air collection pipe assembly further includes a plurality of air collection branch pipes, the plurality of air collection branch pipes are connected to the plurality of pipe connection ports, and the air collection branch pipe includes a first branch pipe, The first branch pipe is inserted into the first connection port, and an inner wall of the first connection port is provided with a first positioning protrusion, and the first branch pipe abuts against the first positioning protrusion. , an air collection tube assembly according to claim 5. The air collection branch pipe includes a second branch pipe, the second branch pipe is inserted into the second connection port, and an outer wall of the second branch pipe is provided with a second positioning protrusion point, and the second branch pipe is inserted into the second connection port. The air collecting pipe assembly according to claim 8, wherein the connection port abuts the second locating protrusion point. An air conditioner comprising an air collecting pipe assembly according to any one of claims 1 to 9.

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