Integrated connecting pipe structure

Abstract

The utility model discloses an integrated connecting pipe structure, which belongs to the technical field of pipeline connecting fittings and comprises a connecting pipe main body, the connecting pipe main body consists of a round pipe part and a round seat part, the round pipe part and the round seat part are integrally formed, a pipe inner hole axially penetrates through the inside of the round pipe part, and a round seat inner hole axially penetrates through the inside of the round seat part. An inner hole of the penetrating pipe and an inner hole of the round seat are located on the same axis and are communicated with each other. According to the structure, the connecting pipe body is composed of the round pipe part and the round seat part which are integrally formed, production and machining of the connecting pipe body are facilitated, the problems of leakage risks caused by welding of the connecting pipe body, operation safety accidents of workers and the like can be reduced, meanwhile, the production cost can be reduced, and the production efficiency is improved. In addition, the inner hole of the connecting pipe and the inner hole of the round seat which are coaxial are matched with each other, so that the position of the external connecting pipe can be well limited, the liquid accumulator and the compressor body are more convenient and stable to install, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection accessories, in particular to an integrated connection pipe structure. Background Art

[0002] The compressor is one of the important components in refrigeration and heat exchange equipment such as air conditioners or refrigerators. The compressor is usually equipped with a liquid accumulator, and the liquid accumulator and the compressor body need to be connected to each other through a connecting pipe so that the refrigerant enters the compressor from the liquid accumulator.

[0003] The connecting pipe in the prior art is made of a copper pipe and an iron seat welded together, and the welding cost is high. In addition, since the leakage rate of the compressor is extremely high (usually at the PPM level), the welding quality requirements are also high, and workers may encounter safety accidents during welding operations. In addition, since two different materials are used for welding, breakage problems may occur after long-term use.

[0004] Therefore, further improvement is necessary. Utility Model Content

[0005] The utility model aims to provide an integrated connecting pipe structure to overcome the deficiencies in the prior art.

[0006] An integrated connecting pipe structure designed for this purpose includes a connecting pipe body, which is composed of a circular tube portion and a round seat portion. The circular tube portion and the round seat portion are integrally formed. A tube inner hole axially penetrates the interior of the circular tube portion, and a round seat inner hole axially penetrates the interior of the round seat portion. The tube inner hole and the round seat inner hole are on the same axis, and the two are connected to each other.

[0007] The outer diameter of the circular tube portion is smaller than the outer diameter of the round seat portion, and there is an arc, inclined, or right-angle transition between the two. The inner hole diameter of the tube is larger than or smaller than the inner hole diameter of the round seat, and there is an arc, inclined, or right-angle transition between the two.

[0008] The outer diameter of the round seat portion gradually increases in a direction away from the round tube portion.

[0009] The outer diameter end portion of the round seat portion extends linearly at a position away from the round tube portion.

[0010] A front inner hole of the circular tube is arranged at the front end of the circular tube portion, and the diameter of the front inner hole of the circular tube is larger or smaller than the diameter of the inner hole of the tube.

[0011] The front end of the front inner hole of the circular tube is also provided with a chamfer or an arc angle.

[0012] The front inner hole of the circular tube and the inner hole of the tube are in an arc shape, inclined, or right angle transition.

[0013] A round seat rear inner hole is arranged at the rear end of the round seat portion, and the diameter of the round seat rear inner hole is larger or smaller than the diameter of the round seat inner hole.

[0014] The round seat rear inner hole is provided with at least one, and the round seat rear inner hole and the two are in an arc, inclined, or right-angle transition. Alternatively, the round seat rear inner hole is provided with multiple, and they are arranged in sequence toward the rear end of the round seat portion, and the diameters of the multiple round seat rear inner holes increase in a stepped manner toward the rear end of the round seat portion, and the round seat inner holes and the round seat rear inner holes, as well as the adjacent round seat rear inner holes, are in an arc, inclined, or right-angle transition.

[0015] A rear edge is integrally extended from the rear end of the circular seat, the outer diameter of the rear edge is smaller than or larger than the outer diameter of the circular seat, and there is an arc, inclined, or right-angle transition between the two.

[0016] The utility model improves the above structure and utilizes an integrally formed round tube portion and a round seat portion to form a connecting pipe main body, which is not only convenient for the production and processing of the connecting pipe main body, but also can reduce the risk of leakage of the connecting pipe main body caused by welding, as well as problems such as worker operation safety accidents, while also reducing production costs and improving the structural strength and service life of the connecting pipe main body. In addition, by utilizing the mutual cooperation between the inner hole of the pipe on the same axis and the inner hole of the round seat, the positioning of the external access pipe can be well completed, making the installation between the liquid reservoir and the compressor body more convenient and stable, and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0018] Figure 2 This is a schematic structural diagram from another viewing angle of an embodiment of the utility model.

[0019] Figure 3 It is a schematic diagram of the assembly cross-sectional structure of an embodiment of the utility model. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-Figure 3 The integrated connecting pipe structure includes a connecting pipe body, which is composed of a circular tube portion 1 and a round seat portion 2. The circular tube portion 1 and the round seat portion 2 are integrally formed. A tube inner hole 1.1 axially penetrates the interior of the circular tube portion 1, and a round seat inner hole 2.1 axially penetrates the interior of the round seat portion 2. The tube inner hole 1.1 and the round seat inner hole 2.1 are on the same axis, and the two are connected to each other.

[0023] This embodiment utilizes an integrally formed circular tube portion 1 and a round seat portion 2 to form a connecting pipe body, which is not only convenient for the production and processing of the connecting pipe body, but also can reduce the risk of leakage of the connecting pipe body due to welding, as well as problems such as worker operation safety accidents, while also reducing production costs and improving the structural strength and service life of the connecting pipe body. In addition, by utilizing the mutual cooperation between the inner hole 1.1 of the tube and the inner hole 2.1 of the round seat on the same axis, the positioning of the external access pipe can be well accomplished, making the installation between the liquid reservoir and the compressor body more convenient and stable, and having strong practicality.

[0024] As a preferred solution of this embodiment, it may also have the following additional technical features:

[0025] The outer diameter of the circular tube part 1 is smaller than that of the round seat part 2, and there is an arc, inclined, or right-angle transition between the two. The diameter of the inner hole 1.1 of the tube is larger or smaller than that of the inner hole 2.1 of the round seat, and there is an arc, inclined, or right-angle transition between the two.

[0026] The outer diameter of the round seat portion 2 gradually increases in a direction away from the round tube portion 1 .

[0027] The outer diameter end of the round seat portion 2 extends linearly at a position away from the circular tube portion 1 .

[0028] In this embodiment, there is an arc-shaped transition between the periphery of the circular tube portion 1 and the periphery of the round seat portion 2. The outer diameter of the round seat portion 2 gradually increases in the direction away from the circular tube portion 1 and forms a trumpet shape, and extends in a straight line near the tail end, thereby improving the structural strength of the connecting pipe body.

[0029] At the same time, the diameter of the tube inner hole 1.1 is smaller than the diameter of the round seat inner hole 2.1, and there is a right angle transition between the two, so that when the tube inner hole 1.1 and the round seat inner hole 2.1 are respectively connected to the external access pipe, the inner wall of the external access pipe, the inner wall of the tube inner hole 1.1 and the inner wall of the round seat inner hole 2.1 are on the same end face.

[0030] A front inner hole 1.2 is provided at the front end of the circular tube portion 1, and the diameter of the front inner hole 1.2 is larger or smaller than the diameter of the inner hole 1.1.

[0031] The front end of the front inner hole 1.2 of the round tube is also provided with a chamfer or an arc angle.

[0032] The front inner hole 1.2 of the circular tube and the inner hole 1.1 of the tube are in an arc shape, inclined shape or a right angle transition.

[0033] In this embodiment, the diameter of the front inner hole 1.2 of the circular tube is larger than the diameter of the inner hole 1.1 of the tube, and a chamfer is provided at the front end of the front inner hole 1.2 of the circular tube. At the same time, there is a right-angle transition between the front inner hole 1.2 of the circular tube and the inner hole 1.1 of the tube, so as to facilitate the external access tube to be inserted into the front inner hole 1.2 of the circular tube and positioned between the front inner hole 1.2 of the circular tube and the inner hole 1.1 of the tube.

[0034] A round seat rear inner hole 2.2 is arranged at the rear end of the round seat portion 2, and the diameter of the round seat rear inner hole 2.2 is larger or smaller than the diameter of the round seat inner hole 2.1.

[0035] There is at least one round seat rear inner hole 2.2, which is in an arc, inclined, or right-angle transition with the round seat inner hole 2.1, or there are multiple round seat rear inner holes 2.2, which are arranged in sequence toward the rear end of the round seat portion 2, and the diameters of the multiple round seat rear inner holes 2.2 increase in a step-like manner toward the rear end of the round seat portion 2, and there is an arc, inclined, or right-angle transition between the round seat inner holes 2.1 and the round seat rear inner holes 2.2, and between adjacent round seat rear inner holes 2.2.

[0036] In the present embodiment, two round seat rear inner holes 2.2 are provided, and the diameters of the two round seat rear inner holes 2.2 increase in a stepped manner toward the rear end of the round seat portion 2. The diameter of the round seat rear inner hole 2.2 located behind the round seat inner hole 2.1 is larger than the diameter of the round seat inner hole 2.1. There is a right-angle transition between the round seat inner hole 2.1 and the round seat rear inner hole 2.2, and between adjacent round seat rear inner holes 2.2. Since the diameters of the two round seat rear inner holes 2.2 and the round seat inner hole 2.1 are different, it is suitable for the insertion of external access tubes of different diameters. At the same time, after insertion, the external access tube can be stably positioned between the round seat inner hole 2.1 and the round seat rear inner hole 2.2, or between adjacent round seat rear inner holes 2.2.

[0037] A rear edge 3 is integrally extended from the rear end of the round seat 2. The outer diameter of the rear edge 3 is smaller or larger than the outer diameter of the round seat 2, and there is an arc, inclined, or right-angle transition between the two.

[0038] In this embodiment, the outer diameter of the rear surrounding edge 3 is smaller than the outer diameter of the round seat portion 2, and there is a right-angle transition between the two, which not only further improves the structural strength of the connecting pipe body, but also protects the external access pipe.

[0039] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An integrated connecting pipe structure, comprising a connecting pipe body, characterized in that: The connecting pipe body is composed of a circular tube portion (1) and a circular seat portion (2); the circular tube portion (1) and the circular seat portion (2) are integrally formed; a tube inner hole (1.1) axially penetrates the interior of the circular tube portion (1); a circular seat inner hole (2.1) axially penetrates the interior of the circular seat portion (2); the tube inner hole (1.1) and the circular seat inner hole (2.1) are located on the same axis and are interconnected; a circular tube front inner hole (1.2) is provided at the front end of the circular tube portion (1); the diameter of the circular tube front inner hole (1.2) is greater than or smaller than the diameter of the tube inner hole (1.1).

2. The integrated connecting pipe structure according to claim 1, characterized in that: The outer diameter of the circular tube portion (1) is smaller than the outer diameter of the round seat portion (2), and there is an arc, an inclination, or a right angle transition between the two. The diameter of the inner hole (1.1) of the tube is larger than or smaller than the diameter of the inner hole (2.1) of the round seat, and there is an arc, an inclination, or a right angle transition between the two.

3. The integrated connecting pipe structure according to claim 1, characterized in that: The outer diameter of the round seat portion (2) gradually increases in a direction away from the round tube portion (1).

4. The integrated connecting pipe structure according to claim 3, characterized in that: The outer diameter end of the circular seat portion (2) extends linearly at a position away from the circular tube portion (1).

5. The integrated connecting pipe structure according to claim 1, characterized in that: The front end of the circular tube front inner hole (1.2) is also provided with a chamfer or an arc corner.

6. The integrated connecting pipe structure according to claim 1, characterized in that: The front inner hole (1.2) of the circular tube and the inner hole (1.1) of the tube are in an arc shape, inclined, or at a right angle.

7. The integrated connecting pipe structure according to claim 1, characterized in that: A round seat rear inner hole (2.2) is provided at the rear end of the round seat portion (2), and the diameter of the round seat rear inner hole (2.2) is greater than or smaller than the diameter of the round seat inner hole (2.1).

8. The integrated connecting pipe structure according to claim 7, characterized in that: The round seat rear inner hole (2.2) is provided with at least one, and the round seat rear inner hole (2.1) is in an arc, inclined, or right-angle transition. Alternatively, the round seat rear inner hole (2.2) is provided with a plurality of, and is arranged in sequence toward the rear end of the round seat portion (2). The diameters of the plurality of round seat rear inner holes (2.2) increase in a step-like manner toward the rear end of the round seat portion (2). The round seat inner hole (2.1) and the round seat rear inner hole (2.2), as well as the adjacent round seat rear inner holes (2.2), are in an arc, inclined, or right-angle transition.

9. The integrated connecting pipe structure according to claim 1, characterized in that: A rear edge (3) is integrally extended from the rear end of the circular seat portion (2); the outer diameter of the rear edge (3) is smaller than or larger than the outer diameter of the circular seat portion (2), and there is an arc, inclined, or right-angle transition between the two.

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