CN219221595U

CN219221595U - Integral type does not have welding U type branch pipe

Info

Publication number: CN219221595U
Application number: CN202220516292.4U
Authority: CN
Inventors: 黄汀; 卢于兵
Original assignee: Nantong Ranyuan Refrigeration Technology Co ltd
Current assignee: Nantong Ranyuan Refrigeration Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2023-06-20
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses an integrated welding-free U-shaped branch pipe, which comprises a three-way pipe fitting formed by extruding a metal pipe, wherein the three-way pipe fitting comprises a main pipe and a branch pipe connected with the main pipe, the branch pipe comprises a first through pipe and a second through pipe, the main pipe is arranged at the joint of the first through pipe and the second through pipe, the first through pipe and the second through pipe are arranged in a U shape, the end parts of the first through pipe and the second through pipe are provided with reducing through pipes, and the end part of the main pipe is connected with the reducing through pipe. The integrated welding-free U-shaped branch pipe provided by the utility model has the advantages that the structure is simple, one through pipe is extruded and molded, the length and the diameter of the through pipe are selectable, welding is not needed in the extrusion molding process, the whole three-way pipe is free of welding spots, the weight of the three-way pipe is light, the inside of a pipeline is free of welding spots, the flow is good, the pipe diameters of the same pipeline can be different, welding connection is not needed, and leakage points cannot be generated.

Description

Integral type does not have welding U type branch pipe

Technical Field

The utility model relates to the field of air conditioner or refrigerator pipeline connection equipment, in particular to an integrated non-welding U-shaped branch pipe.

Background

The existing three-way Y-shaped (U-shaped branch pipe) pipeline used in the air conditioner or refrigerator industry is usually formed by welding a plurality of pipelines, one pipeline is bent into a U shape, the other pipeline (3 pipelines) is welded on the bent U-shaped pipe, the design has a plurality of welding spots, the process is complex, the weight of the produced three-way Y-shaped pipe (U-shaped branch pipe) is heavy, the accuracy of the three-way Y-shaped pipe (U-shaped branch pipe) is difficult to ensure, the cost of labor is high, the welding leakage is easy to occur, and the welding spots exist in the pipe body to influence the flow in the pipeline; the pipe diameters of the existing three-way pipes are consistent, so that if branch pipes with different pipe diameters are needed, different pipes are needed to be connected, connection points are needed to be added, and the leakage risk is increased; meanwhile, in the butt welding process, the practical problem of two layers of copper pipes occurs, the required copper materials are increased, and the weight and cost of the product are increased.

Disclosure of Invention

The present utility model aims to provide an integrated solderless U-shaped manifold which solves one or more of the above mentioned problems of the prior art.

The integrated non-welding U-shaped branch pipe comprises a three-way pipe fitting (1) formed by extruding a metal pipe, wherein the three-way pipe fitting (1) comprises a main pipe (11) and a branch pipe (12) connected with the main pipe (11), the branch pipe (12) comprises a first through pipe (121) and a second through pipe (122), the main pipe (11) is arranged at the joint of the first through pipe (121) and the second through pipe (122), the first through pipe (121) and the second through pipe (122) are arranged in a U-shaped manner, a reducing through pipe (125) is arranged at the end parts of the first through pipe (121) and the second through pipe (122), and the end part of the main pipe (11) is connected with the first reducing pipe (111) and the second reducing pipe (112).

The integrated welding-free U-shaped branch pipe provided by the utility model has the advantages that the structure is simple, one through pipe is extruded and molded, the length and the diameter of the through pipe are selectable, welding is not needed in the extrusion molding process, the whole three-way pipe is free of welding spots, the weight of the three-way pipe is light, the inside of a pipeline is free of welding spots, the flow is good, the pipe diameters of the same pipeline can be different, connection is not needed, and leakage points cannot be generated.

In some embodiments, the ends of the main pipe and the branch pipe are connected with pipes in an extending way.

In some embodiments, the connection between the first and second ducts is a circular arc transition. The circular arc-shaped connecting part is convenient for the flowing of liquid, and has fast flow speed and good flow.

In some embodiments, the first through pipe and the second through pipe are arranged in parallel, the central axis of the main pipe is parallel to the central axes of the first through pipe and the second through pipe, and the central axis of the main pipe is arranged at the middle position of the central axes of the first extension pipe and the second extension pipe. The three-way pipe has stable structure, is easy to extrude and shape, and is convenient for liquid to flow through; the length of the pipeline can be lengthened, the selectivity is wide, and the application range is wide.

In some embodiments, the first tube and the second tube have the same tube diameter, and the second extension tube has the same tube diameter as the second tube. The liquid can flow through fast, and the flow rate is fast.

In some embodiments, the pipe diameter of the first reducing pipe (111) is larger than the pipe diameter of the main pipe (11), the pipe diameter of the second reducing pipe (112) is larger than the pipe diameter of the first reducing pipe (111), and the pipe diameter of the reducing pipe (125) is larger than the pipe diameters of the first pipe (121) and the second pipe (122). Leakage from different pipe connection points is avoided.

Drawings

Fig. 1 is a schematic structural view of an integrated solderless U-shaped branch pipe according to an embodiment of the utility model.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that, for the azimuth words such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, but it should not be construed as limiting the specific protection scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such features, and in the description of the utility model, "at least" means one or more, unless clearly specifically defined otherwise.

In the present utility model, unless explicitly stated or limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in the figure of the drawings in which the drawing is of a schematic view,

the integrated non-welding U-shaped branch pipe comprises a three-way pipe fitting 1 formed by extruding a metal pipe, wherein the three-way pipe fitting 1 comprises a main pipe 11 and a branch pipe 12 connected with the main pipe 11.

The branch pipe 12 comprises a first through pipe 121 and a second through pipe 122, the first through pipe 121 and the second through pipe 122 are in V or U shape, and the joint between the first through pipe 121 and the second through pipe 122 is in arc transition. Among the above, convex connecting portion makes things convenient for the flow of liquid to flow through, and the velocity of flow is fast, and the flow is good.

In addition, in order to make the flow rate of the liquid in the pipe faster, the connection between the main pipe 11 and the first through pipe 121 is in an arc transition, and the connection between the main pipe 11 and the second through pipe 122 is also in an arc transition. Wherein, all be equipped with the boss in trunk line 11 and lateral conduit 12 junction, first siphunculus 121 and second siphunculus 122 junction for the fixed effect of pipeline for the pipeline is more durable.

In the above, the first through pipe 121 and the second through pipe 122 form an angle α, the range of the angle α is 30 ° to 150 °, the range of the angle may be selected according to the actual requirement, and the available products are diversified; in this embodiment, the first through pipe 121 and the second through pipe 122 have a U-shaped structure.

The main pipe 11 is arranged at the joint of the first through pipe 121 and the second through pipe 122, so that a U-shaped three-way pipeline is formed between the main pipe 11 and the branch pipe 12, the first through pipe 121 is connected with a first extension pipe 123, and the second through pipe 122 is connected with a second extension pipe 124.

The integral welding-free U-shaped branch pipe provided by the utility model has the advantages that the structure is simple, one through pipe is extruded and molded, the length and the diameter of the through pipe are both selectable, welding is not needed in the extrusion molding process, the whole three-way pipe has no welding point, the weight of the three-way pipe is light, the inside of a pipeline has no welding point, and the flow is rapid.

The central axis of the first extension pipe 123 and the central axis of the second extension pipe 124 are arranged in parallel, the central axis of the main pipe 11 is parallel to the central axes of the first extension pipe 123 and the second extension pipe 124, and the central axis of the main pipe 11 is arranged at the middle position of the central axes of the first extension pipe 123 and the second extension pipe 124. The tee pipe fitting 1 has stable structure, is easy to extrude and shape, and is convenient for liquid to flow through; the length of the pipeline can be lengthened, the selectivity is wide, and the application range is wide.

The end portions of the first extension pipe 123 and the second extension pipe 124 are provided with reducing pipes 125, and the end portion of the main pipe 11 is connected with the first reducing pipe 111 and the second reducing pipe 112 in an extending manner.

The pipe diameter of the first reducing pipe 111 is larger than that of the main pipe 11, the pipe diameter of the second reducing pipe 112 is larger than that of the first reducing pipe 111, and the pipe diameter of the reducing pipe 125 is larger than that of the first pipe 121 and the second pipe 122. Leakage from different pipe connection points is avoided.

Of the above, the inner diameter of the first reducing pipe 111 is 16mm, the inner diameter of the second reducing pipe is 19mm, and the pipe diameter of the reducing pipe 125 is 15mm.

In the extrusion forming process, the pipe diameter of the main pipe 11 is the largest, so that the liquid can flow through conveniently, the pipe diameter of the branch pipe 12 can be the same as the main pipe 11, and can be smaller than the pipe diameter of the main pipe 11, so that when the liquid flows through the main pipe 11 and the branch pipe 12, the flow rate is faster than that of a common three-way pipe by more than 20%.

And the main pipeline 11 and the branch pipeline 12 of the three-way pipeline 1 are not welded, so that the flow speed is not influenced, and the weight of the three-way pipe fitting 1 is lighter.

The foregoing is merely a preferred form of the utility model, and it should be noted that several similar variations and modifications could be made by those skilled in the art without departing from the inventive concept, which are also considered to be within the scope of the utility model.

Claims

1. Integral type does not have welding U type branch pipe, a serial communication port, include by a metal pipeline extrusion's tee bend pipe fitting (1), tee bend pipe fitting (1) include trunk line (11) and with branch pipeline (12) that trunk line (11) link to each other, branch pipeline (12) include first siphunculus (121) and second siphunculus (122), trunk line (11) are located junction of first siphunculus (121) with second siphunculus (122), first siphunculus (121) with be "U" shape setting between second siphunculus (122), first siphunculus (121) with the tip of second siphunculus (122) is equipped with reducing siphunculus (125), the end connection of trunk line (11) has first reducing pipeline (111) and second reducing siphunculus (112).

2. The integrated solderless U-shaped branch pipe according to claim 1, wherein the ends of the main pipe (11) and the branch pipe (12) are each connected with a pipe in an extending manner.

3. The integrated solderless U-shaped branch pipe according to claim 1, wherein the junction between the first through pipe (121) and the second through pipe (122) is in an arc transition.

4. The integrated solderless U-shaped branch pipe according to claim 3, wherein the first through pipe (121) and the central axis of the second through pipe (122) are arranged in parallel, the central axis of the main pipe (11) is parallel to the central axes of the first through pipe (121) and the second through pipe (122), and the central axis of the main pipe (11) is arranged at an intermediate position of the central axes of the first extension pipe (123) and the second extension pipe (124).

5. The integrated solderless U-shaped branch pipe of claim 4, wherein the first tube (121) and the second tube (122) have the same tube diameter, and the second extension tube (124) and the second tube (122) have the same tube diameter.

6. The integrated solderless U-shaped branch pipe of claim 5, wherein the pipe diameter of the first reducing pipe (111) is larger than the pipe diameter of the main pipe (11), the pipe diameter of the second reducing pipe (112) is larger than the pipe diameter of the first reducing pipe (111), and the pipe diameter of the reducing pipe (125) is larger than the pipe diameters of the first pipe (121) and the second pipe (122).