Air return pipe component of compressor

Abstract

The utility model discloses a compressor air return pipe component which comprises an air return pipe, a U-shaped pipe, a T-shaped tee joint, an L-shaped pipe and a low-pressure valve connecting pipe, one end of the U-shaped pipe is connected with the air return pipe, one end of the T-shaped tee joint is connected with the other end of the U-shaped pipe, and the L-shaped pipe and the low-pressure valve connecting pipe are respectively connected with the other two ends of the T-shaped tee joint. The air return pipe, the U-shaped pipe and the L-shaped pipe are arranged, so that the bending frequency of a single air return pipe can be reduced, and the machining difficulty of the air return pipe is greatly reduced; meanwhile, through the U-shaped pipe and the L-shaped pipe, repeated buffering of airflow can be achieved, and therefore impact of the airflow on the inner wall of each pipe is reduced, and vibration is reduced; and by arranging the T-shaped tee joint, connection with a low-pressure valve connecting pipe is facilitated, so that connection with an external corresponding low-pressure valve through the low-pressure valve connecting pipe is facilitated, and different use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioner evaporator field especially, it is a kind of compressor return pipe parts. BACKGROUND

[0002] Compressor piping is the main part of air conditioner, mainly including the exhaust pipe connected with compressor main tank and the return pipe connected with compressor liquid tank, wherein, the pressure borne by exhaust pipe is very big, and the amplitude of return pipe is very big.In the prior art, in order to reduce the vibration of compressor return pipe, at least one U-shaped pipe is usually designed for compressor return pipe, and the compressor return pipe is arranged close to air conditioner compressor. For example, the compressor return pipe and air conditioner outdoor unit disclosed in application No.201621093886.X, wherein the compressor return pipe is bent to form a plurality of U-shaped bending parts, and the U-shaped bending parts are used for buffering, such as the first return pipe section, the second return pipe section and the connecting section. When the compressor return pipe is processed, it needs to be bent multiple times on one pipe, which has great processing difficulty, and at the same time, the length of a single compressor return pipe is very large, which increases the vibration and instability of the entire return pipe to some extent. SUMMARY

[0003] The utility model aims at providing a kind of compressor return pipe parts that can solve at least one of the above problems.

[0004] According to one aspect of the utility model, a kind of compressor return pipe parts is provided, including return pipe, U-shaped pipe, T-shaped tee, L-shaped pipe and low pressure valve connecting pipe, one end of U-shaped pipe is connected with return pipe, one end of T-shaped tee is connected with the other end of U-shaped pipe, L-shaped pipe and low pressure valve connecting pipe are connected with the remaining two ends of T-shaped tee respectively.

[0005] The utility model has the advantages that: by being provided with return pipe, U-shaped pipe and L-shaped pipe, the bending frequency of single pipe of return pipe can be reduced, so that the processing difficulty of return pipe is greatly reduced;At the same time, through U-shaped pipe and L-shaped pipe, multiple buffering of airflow can be realized, so as to reduce the impact of airflow on the inner wall of each pipe and reduce vibration;By being provided with T-shaped tee, the connection with low pressure valve connecting pipe is facilitated, so that the low pressure valve connecting pipe is connected with the corresponding low pressure valve outside, different use requirements are met.

[0006] In some embodiments, the inner diameter of the U-shaped pipe is greater than the inner diameter of the return pipe. Thus, when the airflow enters from the small pipe diameter to the large pipe diameter, the air pressure is released to a certain extent, the air pressure is reduced, and the vibration of the pipeline is reduced.

[0007] In some embodiments, the gas return pipe comprises a gas inlet part, a connecting part, an inclined part and a U-shaped part connected in sequence, the gas inlet part is vertically arranged, the connecting part is horizontally arranged, the inclined part is arranged obliquely relative to the connecting part, the two sides of the U-shaped part are vertically arranged, and the included angle between the inclined part and the U-shaped part is greater than 90°. Thus, through the parts of the gas return pipe, multiple buffering of the gas flow can be realized, which is beneficial to reducing the vibration of the pipeline.

[0008] In some embodiments, the inner diameter of the L-shaped pipe is equal to the inner diameter of the U-shaped pipe, and the inner diameter of the low-pressure valve connecting pipe is smaller than the inner diameter of the U-shaped pipe. Thus, through the low-pressure valve connecting pipe with a smaller inner diameter, the outflow of the low-pressure gas flow is facilitated.

[0009] In some embodiments, the compressor gas return pipe component further comprises a heat preservation pipe, and the heat preservation pipe is sleeved at the bending part of the U-shaped pipe. Thus, through the heat preservation pipe, the heat generated by the heating component outside the heat preservation pipe can be conducted to the inside of the U-shaped pipe during installation, thereby playing a heat preservation and insulation role.

[0010] In some embodiments, one end of the U-shaped pipe is provided with a connecting head, the pipe diameter of the connecting head is smaller than the pipe diameter of the U-shaped pipe, and the gas return pipe is connected to the U-shaped pipe through the connecting head. Thus, through the connecting head, the gas return pipe with a smaller inner diameter is connected to the U-shaped pipe.

[0011] In some embodiments, the outer wall of the connecting head is provided with a concave point, the concave point is concave to one side of the inner wall of the connecting head, the gas return pipe abuts against the concave point, and the connecting head is an integral molding structure with the U-shaped pipe. Thus, through the concave point, the gas return pipe is conveniently installed in position, and the gas return pipe can be quickly inserted into the connecting head to a corresponding length.

[0012] In some embodiments, the inner wall of one end of the T-shaped tee joint connected to the low-pressure valve connecting pipe is provided with a limiting point, and the limiting point abuts against the low-pressure valve connecting pipe. Thus, through the limiting point, the low-pressure valve connecting pipe is conveniently installed in position. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a structure schematic view of the compressor gas return pipe component of the utility model;

[0014] Fig. 2 is a structure schematic view of the compressor gas return pipe component of the utility model from another perspective;

[0015] Fig. 3 is a structure schematic view of the U-shaped pipe in the compressor gas return pipe component of the utility model.

[0016] Fig. 4 is a structure schematic view of the T-shaped tee joint in the compressor gas return pipe component of the utility model. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail below in combination with the drawings.

[0018] Refer to Figs. 1-4 Compressor return air pipe parts, including return air pipe 1, U type pipe 2, T type tee 3, L type pipe 4 and low pressure valve connecting pipe 5, one end of U type pipe 2 is connected with return air pipe 1, one end of T type tee 3 is connected with the other end of U type pipe 2, L type pipe 4 and low pressure valve connecting pipe 5 are connected with the remaining two ends of T type tee 3 respectively.

[0019] In use, gas enters through return air pipe 1, carries out buffering to air flow through return air pipe 1, then enters into U type pipe 2, carries out buffering again through U type pipe 2, then flows out through L type pipe 4, through the buffering of air flow for many times, it is beneficial to reduce the vibration of the whole pipeline, simultaneously, the processing difficulty of single pipeline is reduced. Low pressure valve connecting pipe 5 is connected through T type tee 3, which is convenient for connecting with valve structure outside through low pressure valve connecting pipe 5.

[0020] The inner diameter of U type pipe 2 is greater than the inner diameter of return air pipe 1. Since the inner diameter of U type pipe 2 is greater than the inner diameter of return air pipe 1, when gas enters into U type pipe 2 from return air pipe 1, the air pressure is further reduced; when gas passes through the bending part of U type pipe 2, the air flow is buffered, the impact force of air flow is reduced, thereby reducing the vibration of U type pipe 2.

[0021] Return air pipe 1 includes air inlet part 11, connecting part 12, inclined part 13 and U type part 14 connected in sequence, air inlet part 11 is vertically arranged, connecting part 12 is horizontally arranged, inclined part 13 is arranged obliquely relative to connecting part 12, both sides of U type part 14 are vertically arranged, and the included angle at the connecting part of inclined part 13 and U type part 14 is greater than 90°. Among them, return air pipe 1 is an integral molding structure, when gas flows into connecting part 12 through vertical air inlet part 11, the gas realizes preliminary buffering at the turning part, then flows into U type part 14 through inclined part 13, and is further buffered at U type part 14, which is beneficial to the rapid decline of air flow impact force.

[0022] The inner diameter of L type pipe 4 is equal to the inner diameter of U type pipe 2, and the inner diameter of low pressure valve connecting pipe 5 is less than the inner diameter of U type pipe 2.

[0023] The compressor return air pipe part of the utility model further includes heat preservation pipe 6, and the heat preservation pipe 6 is sleeved at the bending part of the U type pipe 2. By being provided with the heat preservation pipe 6, when the corresponding part of the U type pipe 2 is attached to the outside of other heating elements of the air conditioning equipment, the heat of the external heating structure can be prevented from being conducted to the U type pipe 2 through the contact part through the heat preservation pipe 6, and the gas in the U type pipe 2 is prevented from being heated and expanded.

[0024] One end of the U type pipe 2 is provided with a connecting head 21, the pipe diameter of the connecting head 21 is less than the pipe diameter of the U type pipe 2, and the return air pipe 1 is connected with the U type pipe 2 through the connecting head 21.

[0025] The outer wall of the connecting head 21 is provided with a concave point 22, which is concave to the inner wall side of the connecting head 21, and the return air pipe 1 abuts against the concave point 22, and the connecting head 21 and the U-shaped pipe 2 are integrally formed. The inner diameter of the connecting head 21 is consistent with the outer diameter of the return air pipe 1. Therefore, when the return air pipe 1 is matched with the U-shaped pipe 2, when the return air pipe 1 is inserted into the connecting head 21, when it is inserted to the position of the concave point 22, the return air pipe 1 can be limited by the inwardly concave concave point 22, and the insertion is in place.

[0026] The inner wall of one end of the T-shaped tee joint 3 connected with the low-pressure valve connecting pipe 5 is provided with a limiting point 31, and the limiting point 31 abuts against the low-pressure valve connecting pipe 5. The limiting point 31 is formed by inwardly concave corresponding end of the T-shaped tee joint 3, and when the low-pressure valve connecting pipe 5 is inwardly inserted into the corresponding end of the T-shaped tee joint 3, the low-pressure valve connecting pipe 5 can be limited by the limiting point 31, and the low-pressure valve connecting pipe 5 can be quickly positioned, and the installation is fast and convenient.

[0027] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the inventive concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A compressor return pipe component, characterized in that, It includes a return air pipe (1), a U-shaped pipe (2), a T-shaped tee (3), an L-shaped pipe (4), and a low-pressure valve connecting pipe (5). One end of the U-shaped pipe (2) is connected to the return air pipe (1), one end of the T-shaped tee (3) is connected to the other end of the U-shaped pipe (2), and the L-shaped pipe (4) and the low-pressure valve connecting pipe (5) are respectively connected to the other two ends of the T-shaped tee (3).

2. The compressor return pipe component according to claim 1, characterized in that, The inner diameter of the U-shaped tube (2) is larger than the inner diameter of the return air tube (1).

3. The compressor return pipe component according to claim 2, characterized in that, The return air pipe (1) includes an air intake section (11), a connecting section (12), an inclined section (13), and a U-shaped section (14) connected in sequence. The air intake section (11) is vertically arranged, the connecting section (12) is horizontally arranged, the inclined section (13) is inclined relative to the connecting section (12), and the two sides of the U-shaped section (14) are vertically arranged. The included angle between the inclined section (13) and the U-shaped section (14) is greater than 90°.

4. The compressor return pipe component according to claim 3, characterized in that, The inner diameter of the L-shaped tube (4) is equal to the inner diameter of the U-shaped tube (2), and the inner diameter of the low-pressure valve connecting tube (5) is smaller than the inner diameter of the U-shaped tube (2).

5. The compressor return pipe component according to claim 4, characterized in that, It also includes a heat insulation pipe (6), which is fitted onto the bend of the U-shaped pipe (2).

6. The compressor return pipe component according to any one of claims 1 to 5, characterized in that, One end of the U-shaped tube (2) is provided with a connector (21), the diameter of the connector (21) is smaller than the diameter of the U-shaped tube (2), and the return air pipe (1) is connected to the U-shaped tube (2) through the connector (21).

7. The compressor return pipe component according to claim 6, characterized in that, The outer wall of the connector (21) is provided with a recess (22), which is recessed towards the inner wall of the connector (21). The return air pipe (1) abuts against the recess (22). The connector (21) and the U-shaped pipe (2) are integrally formed.

8. The compressor return pipe component according to claim 4, characterized in that, The inner wall of the end of the T-shaped tee (3) connected to the low-pressure valve connecting pipe (5) is provided with a limiting point (31), and the limiting point (31) abuts against the low-pressure valve connecting pipe (5).

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