Copper pipe connecting structure for indoor unit and outdoor unit of air conditioner

Abstract

The utility model discloses an air conditioner indoor and outdoor unit copper pipe connecting structure which comprises a pipeline, two external connection ports are arranged on the pipeline, the pipeline comprises a sunken pipe section, the sunken pipe section is in a shape that two ends are high and the middle section is sunken, and the sunken pipe position of the middle section is used for collecting flowing liquid fluid. And the sunken pipe section is lower than one external port or two external ports on the pipeline. The utility model provides an air conditioner indoor and outdoor unit copper pipe connecting structure which can gather and retain oil flowing out of an air conditioner indoor unit at a middle section sunken pipe position, so that the oil is prevented from flowing into an air conditioner outdoor unit, the air conditioner outdoor unit is protected, the service life of the air conditioner outdoor unit is prolonged, meanwhile, an elastic deformation hose is arranged on a pipeline, and the service life of the air conditioner outdoor unit is prolonged. Therefore, vibration transmission of the air conditioner outdoor unit is reduced, pipelines are protected, and the air conditioner outdoor unit can be used for a longer time.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field especially is air conditioner inner and outer machine copper pipe connecting structure. BACKGROUND

[0002] Air conditioner divides into inner machine and outer machine, and the inner machine is installed in the room, and the outer machine is installed in the room, and the inner machine is communicated through the connecting pipe like the disclosure no. CN209639325U between the outer machine, and then the transmission of refrigerant is carried out, and the copper pipe connecting the inner and outer machines is often higher than the end of the outer machine, and the inner and outer ends of the connecting pipe change in height, and the inner machine connection end continuously drops to the inner machine connection end, however, the connecting mode of such continuous drop often leads to that a small amount of oil in the inner machine enters the outer machine along the copper pipe, and in the long running process, the quality problem of the outer machine is caused. SUMMARY

[0003] The utility model discloses air conditioner inner and outer machine copper pipe connecting structure in prior art's deficiency, provide through setting recessed position for gathering oil liquid on the pipeline, and recessed position does not affect gas to pass through, and then the oil liquid is left in recessed position, and not flow into the air conditioner outer machine.

[0004] To solve the above technical problems, the utility model discloses air conditioner inner and outer machine copper pipe connecting structure through the following technical scheme: air conditioner inner and outer machine copper pipe connecting structure, including pipeline, two external ports are arranged on the pipeline, the pipeline includes recessed pipe section, the recessed pipe section is in the form of two ends high and middle section low, and the middle section low pipe position is used to gather the liquid fluid that flows, and the recessed pipe section is lower than one external port or two external ports on the pipeline.

[0005] Its beneficial effect lies in that the oil liquid that flows out from the air conditioner inner machine is gathered and left in the middle section low pipe position, and then the oil liquid is prevented from flowing into the air conditioner outer machine, and then the air conditioner outer machine is protected, and the service life of the air conditioner outer machine is improved.

[0006] In the above scheme, preferably, the axis of the middle section low pipe position is parallel to the horizontal plane.

[0007] Its beneficial effect lies in that the oil liquid that is gathered and left is horizontally dispersed and distributed in the middle section low pipe position, and when the oil amount is more, the oil liquid is prevented from gathering in one place and blocking the pipeline.

[0008] In the above scheme, preferably, the two external ports on the pipeline are respectively upper external ports and lower external ports, and one end of the recessed pipe section is connected with the upper external port.

[0009] In the above scheme, preferably, the pipeline is assembled with a supporting device arranged on the external fixed object and used for supporting the pipeline.

[0010] Preferably, the supporting device is assembled on the outer wall of the other end of the recessed pipe section.

[0011] Preferably, the supporting device is an elastic supporting device, which can reduce the vibration of the pipe in the direction of gravity when the pipe vibrates.

[0012] Preferably, the supporting device comprises a clamp member for clamping the pipe and a fixing member for being arranged on a fixed object in the external environment, a connecting rod is arranged on the clamp member, one end of the connecting rod is arranged in the fixing member, and a spring is arranged between the inner end of the connecting rod and the inner wall of the fixing member.

[0013] Preferably, the two pipe sections connected with the two ends of the middle recessed pipe section are arranged in a perpendicular manner with respect to the middle recessed pipe section, and the other pipe section is arranged in an inclined manner with respect to the middle recessed pipe section, and the angle between the axis of the other pipe section and the middle recessed pipe section is greater than 20 degrees and less than 90 degrees.

[0014] Preferably, the pipe comprises a first connecting pipe and a second connecting pipe, and the first connecting pipe and the second connecting pipe are connected through an elastic deformation displacement-resistant shock-absorbing hose.

[0015] The beneficial effects of the present application are as follows: the elastic deformation displacement-resistant shock-absorbing hose can compensate the vibration of the second connecting pipe and weaken the vibration of the first connecting pipe, thereby improving the stability of the entire pipe and reducing the noise generated by the vibration of the pipe.

[0016] Preferably, the axis of the displacement-resistant shock-absorbing hose is perpendicular to the elastic force direction of the supporting device.

[0017] The air conditioner indoor unit and outdoor unit copper pipe connecting structure provided by the present application can gather the oil liquid flowing out of the air conditioner indoor unit and keep the oil liquid in the middle recessed pipe section, thereby avoiding the oil liquid from flowing into the air conditioner outdoor unit, protecting the air conditioner outdoor unit and prolonging the service life of the air conditioner outdoor unit. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The present application is illustrated by the accompanying drawings. DETAILED DESCRIPTION

[0019] The present application will be further described in detail below in combination with the accompanying drawings and specific embodiments: refer to Figure 1The application discloses a copper pipe connecting structure for air conditioner indoor and outdoor units, which comprises a pipeline 1, wherein the pipeline 1 is divided into a first connecting pipe 15, a second connecting pipe 16 and an anti-displacement shock-resistant hose 17, the first connecting pipe 15 is connected with an upper external port 12 at one end for communication with an air conditioner indoor unit, and the other end is connected with one end of the anti-displacement shock-resistant hose 17, the other end of the anti-displacement shock-resistant hose 17 is connected with one end of the second connecting pipe 16, and the other end of the second connecting pipe 16 is connected with a lower external port 13, wherein the lower external port 13 is in communication with an air conditioner outdoor unit.

[0020] The anti-displacement shock-resistant hose 17 is a hose and can be deformed in the up-down and left-right directions, so that the vibration of the air conditioner outdoor unit is transmitted to the second connecting pipe 16, the vibration transmitted to the first connecting pipe 15 is reduced through the deformation of the anti-displacement shock-resistant hose 17, the vibration displacement of the whole pipeline 1 is reduced, and the service life of the pipeline 1 is prolonged.

[0021] The first connecting pipe 15 comprises a recessed pipe section 11, which is recessed downward along the gravity direction at the middle section, and forms a shape similar to a V or U.

[0022] In the embodiment, one end of the recessed pipe section 11 is connected with the upper external port 12, so that the middle section recessed pipe position 111 is lower than the upper external port 12 in the gravity direction, and the other end of the recessed pipe section 11 is higher than the middle section recessed pipe position 111 in the gravity direction, the axis of the middle section recessed pipe position 111 is parallel to the horizontal plane, the vertical of the pipe section on one side of the middle section recessed pipe position 111 is perpendicular to the middle section recessed pipe position 111, that is, the pipe section connected with the upper external port 12, and the pipe section on the other side is in an upward inclined state and forms an angle greater than 30 degrees and less than 90 degrees with the middle section recessed pipe position 111.

[0023] When the air conditioner indoor unit is running, the gaseous refrigerant and oil enter the recessed pipe section 11 from the upper external port 12, the oil cannot climb up the slope and stay in the middle section recessed pipe position 111 due to the gravity, and the gaseous refrigerant smoothly enters the air conditioner outdoor unit along the pipeline 1 through the slope, so that only the oil stays in the middle section recessed pipe position 111, the oil separation function for the air conditioner outdoor unit is realized, the air conditioner outdoor unit is protected, and the working time of the air conditioner outdoor unit is prolonged.

[0024] And in the pipeline 1 is also provided with a support device 2 for supporting the pipeline 1, the support device comprises a hoop piece 21 and a fixing piece 22, the fixing piece 22 is fixedly arranged on the wall, floor slab or other fixed objects of the house through a screw rod or screw, the hoop piece 21 is provided with a connecting rod 211, the connecting rod 211 is arranged on the fixing piece 22 through upper and lower limiting sliding, and a spring 212 is sleeved on the connecting rod 211, one end of the spring 212 is in contact with the lower bottom surface of the upper limiting piece of the connecting rod 211, and the other end is in contact with the fixing piece 22, so that the hoop piece 21 has an upward elastic force.

[0025] In the embodiment, the hoop piece 21 is locked on the pipeline 1 and located at the turning part of the upper end of the inclined pipe section on the recessed pipe section 11, when the two outer connecting ports of the pipeline 1 are connected to the indoor unit and the outdoor unit of the air conditioner, the hoop piece 21 gives the pipeline 1 a pre-stress in the direction perpendicular to the gravity direction under the action of the spring 212, thereby elastically supporting the pipeline 1, when the first connecting pipe 15 vibrates along the second connecting pipe 16, the spring 212 buffers the first connecting pipe 15 in the direction of gravity, thereby damping, reducing the vibration amplitude at the middle recessed pipe position 111, thereby avoiding the oil liquid remaining at the middle recessed pipe position 111 from flowing into the second connecting pipe 16 due to vibration, and improving the stability of the pipeline 1.

[0026] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A connecting structure of a copper pipe between an indoor unit and an outdoor unit of an air conditioner, comprising a pipe (1), characterized in that: The pipeline (1) comprises a recessed pipe section (11), which is in the shape of two ends being raised and the middle section being recessed, and the middle recessed pipe position (111) is used for collecting liquid flowing therethrough, and the recessed pipe section (11) is lower than one or two outer connection ports on the pipeline (1).

2. The copper pipe connection structure of the indoor and outdoor units of an air conditioner according to claim 1, characterized in that: The axis of the middle recessed pipe position (111) is parallel to the horizontal plane.

3. The copper pipe connection structure of the indoor and outdoor units of an air conditioner according to claim 1 or 2, characterized in that: The two outer connection ports on the pipeline (1) are respectively an upper outer connection port (12) and a lower outer connection port (13), and one end of the recessed pipe section (11) is connected with the upper outer connection port (12).

4. The connecting structure of the copper pipe of the indoor and outdoor units of the air conditioner according to claim 3, characterized in that: The pipeline (1) is provided with a support device (2) arranged on an external fixed object and used for supporting the pipeline (1).

5. The connecting structure of the copper pipe of the indoor and outdoor units of the air conditioner according to claim 4, characterized in that: The support device (2) is arranged on the outer wall of the other end of the recessed pipe section (11). 6.The copper pipe connection structure of an indoor and outdoor unit of an air conditioner according to claim 4, characterized in that: The support device (2) is an elastic support device, which is used for damping the pipeline (1) in the direction of gravity when the pipeline (1) vibrates. 7.The copper pipe connection structure of an indoor and outdoor unit of an air conditioner according to claim 4, characterized in that: The support device (2) comprises a clamp member (21) used for clamping the pipeline (1) and a fixing member (22) used for being arranged on an external fixed object, a connecting rod is arranged on the clamp member (21), one end of the connecting rod is arranged on the fixing member (22), and a spring is arranged between the inner end of the connecting rod and the inner wall of the fixing member (22). 8.The copper pipe connecting structure of an indoor and outdoor unit of an air conditioner according to claim 2, characterized in that: Two pipe sections are connected with the two ends of the middle recessed pipe position (111), one of the two pipe sections is perpendicular to the middle recessed pipe position (111), and the other pipe section is inclined to the middle recessed pipe position (111) by an angle greater than 20 degrees and less than 90 degrees. 9.The copper pipe connection structure of an indoor and outdoor unit of an air conditioner according to claim 3, characterized in that: The pipeline (1) comprises a first connecting pipe (15) and a second connecting pipe (16), and the first connecting pipe (15) and the second connecting pipe (16) are communicated through an elastic deformation displacement-resistant shock-absorbing hose (17). 10.The copper pipe connecting structure of an indoor and outdoor unit of an air conditioner according to claim 9, characterized in that: The axis of the displacement-resistant shock-absorbing hose (17) is perpendicular to the elastic force direction of the support device (2).

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