Low noise energy-saving air conditioner

Abstract

The application belongs to the technical field of air conditioners, and particularly relates to a low-noise energy-saving air conditioner, which comprises a machine body, a front air outlet and a rear air outlet arranged at the front and rear of the machine body respectively, a honeycomb plate arranged on both sides in the machine body, an upper cavity and a lower cavity formed in the machine body through a partition plate, an axial flow fan rotatably arranged in the upper cavity, a centrifugal fan rotatably arranged in the lower cavity, an evaporator arranged in the upper cavity, a condenser and a compressor arranged in the lower cavity, and the evaporator, the condenser and the compressor connected through pipelines. In the application, the honeycomb plate is arranged on the inside of the machine body, has a sound-absorbing effect, and the compressor is subjected to noise reduction through multiple buffering mechanisms, the first motor and the second motor used for driving are provided with polyurethane rubber pads for damping and noise reduction when connected with the machine body, and connecting mechanisms and stabilizing mechanisms with buffering effects are further arranged on the connection, so that buffering is achieved from multiple aspects.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of air conditioners, and particularly relates to a low-noise energy-saving air conditioner. BACKGROUND

[0002] An air conditioner is a device for partially or wholly adjusting the temperature, humidity, flow rate and cleanliness of air in a closed space, so that the air parameters of a target environment meet the requirements. The air conditioner generally comprises cold and heat source equipment, cold and heat medium systems, terminal devices and other auxiliary equipment, and mainly comprises a water pump, a fan and a pipeline system.

[0003] In the prior art, the fan and the compressor inside the air conditioner operate and generate noise. The existing way of reducing noise of the internal equipment of the air conditioner is to increase a single damping pad for noise reduction. This noise reduction method is single, and the damping pad is easily invalid due to aging and other reasons after long-term use, and has a short service life. SUMMARY

[0004] Based on the problems in the background art, the fan and the compressor inside the air conditioner operate and generate noise. The existing way of reducing noise of the internal equipment of the air conditioner is to increase a single damping pad for noise reduction. This noise reduction method is single, and the damping pad is easily invalid due to aging and other reasons after long-term use, and has a short service life. The application provides a low-noise energy-saving air conditioner.

[0005] A low-noise energy-saving air conditioner comprises a machine body, a front air outlet and a rear air outlet are arranged at the front and rear of the machine body respectively, a honeycomb plate is arranged on each side in the machine body, an upper cavity and a lower cavity are formed in the machine body by a partition plate, an axial flow fan is rotatably installed in the upper cavity, a centrifugal fan is rotatably installed in the lower cavity, an evaporator is arranged in the upper cavity, a condenser and a compressor are arranged in the lower cavity, and the evaporator, the condenser and the compressor are connected by pipelines.

[0006] A plurality of buffering mechanisms are connected to the surface of the compressor through a fixed frame, the axial flow fan is driven by a first motor, the centrifugal fan is driven by a second motor, a mounting frame is fixedly sleeved on the surface of the first motor and the compressor, mounting blocks are connected to the two sides of the mounting frame, the mounting blocks are fixedly connected to the inner wall of the machine body, and a polyurethane rubber pad is arranged between the mounting blocks and the inner wall of the machine body.

[0007] An outer shell is arranged on the outer side of the centrifugal fan, and stabilizing mechanisms are symmetrically arranged on the two sides of the outer shell, and the stabilizing mechanisms, the mounting blocks and the inner wall of the machine body are connected.

[0008] Preferably, the buffer mechanism comprises a first buffer shaft, a first buffer sleeve, a bottom plate, the first buffer shaft is slidingly inserted in the first buffer sleeve, the bottom plate is fixedly connected with the inner wall of the bottom of the body through bolts, the first rubber pad is sleeved on the bolts and arranged between the bottom plate and the body, the first buffer sleeve is filled with oil, a sealing block is fixedly installed on one end of the first buffer shaft in the first buffer sleeve, a first spring is arranged in the first buffer sleeve, and the two ends of the first spring are fixedly connected with the first buffer shaft and the inner wall of the first buffer sleeve respectively, and the first buffer shaft is fixedly connected with the outer surface of the fixed frame.

[0009] Preferably, the stabilizing mechanism comprises a connecting plate fixedly connected with the shell, a groove is arranged on the connecting plate, holes are symmetrically arranged in the groove, an elastic mechanism is inserted in the holes, and the connecting portion of the connecting plate and the shell is located in the same vertical plane as the holes.

[0010] Preferably, the elastic mechanism comprises a third buffer shaft and a third buffer sleeve, the third buffer sleeve is arranged through the hole, the third buffer shaft is sealingly and slidingly inserted in the third buffer sleeve, a third spring is installed in the third buffer shaft, and the third buffer shaft is also filled with oil, a second rubber pad is sleeved on the third buffer sleeve, the second rubber pad is arranged between the connecting plate and the inner wall of the body, and the end of the third buffer shaft away from the third buffer sleeve abuts against the inner wall of the groove close to the shell.

[0011] Preferably, a plurality of first dampers are arranged on one side of the connecting plate, one end of each of the two first dampers is fixedly connected with the connecting plate, a U-shaped plate is fixedly connected between the other ends, a sliding groove is fixedly connected with the mounting block adjacent to the upper and lower positions of the U-shaped plate, a second damper is slidingly installed on the sliding groove, one end of the second damper is slidingly connected with the sliding groove, and the other end of the second damper is fixedly connected with the side edge of the U-shaped plate.

[0012] Preferably, a mounting plate is arranged on the mounting block close to the mounting frame, the mounting frame is arranged above the mounting plate, the mounting plate is connected with the mounting frame through screws, and a rubber gasket is arranged between the mounting plate and the mounting frame.

[0013] Preferably, a plurality of connecting mechanisms are arranged between the mounting block and the mounting frame, the connecting mechanism comprises a second buffer sleeve and a second buffer shaft inserted in the second buffer sleeve, the second buffer sleeve is filled with oil, the second buffer sleeve is fixedly connected with the mounting frame, and the second buffer shaft is fixedly connected with the mounting block.

[0014] Preferably, one side of the second buffer sleeve is connected with a side pipe in communication with the second buffer sleeve, a plug is sealingly inserted in the side pipe, a second spring is sleeved on the side pipe, and two ends of the second spring are fixedly connected with the surface of the side pipe and the end of the plug.

[0015] Preferably, the surface of the side pipe is provided with threads, a threaded sleeve is sleeved on the side pipe, and one end of the second spring is in sliding connection with the threaded sleeve.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. In the present application, a honeycomb plate is installed on the inside of the body, the honeycomb plate has a sound-absorbing effect, the compressor is reduced in noise by a plurality of buffering mechanisms, the first motor and the second motor for driving are provided with polyurethane rubber pads for damping and noise reduction when connected with the body, and connecting mechanisms, stabilizing mechanisms and the like having buffering effects are further provided on the connections, so that buffering is achieved from multiple aspects.

[0018] 2. In the present application, the connecting plate on the side of the centrifugal fan can be buffered and damped in the direction of the elastic mechanism, the first damper is connected with the mounting block, the first damper can slide relative to the second damper in the sliding slot, the sliding structure can be used to adapt to the shaking, the sliding direction of the sliding slot, the first damper and the elastic mechanism are perpendicular to each other, so that damping and buffering can be achieved from all directions when the body is shaken, thereby achieving the effect of noise reduction. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A front structure schematic view of a low-noise energy-saving air conditioner according to the present application is shown in the figure.

[0020] Figure 2 A rear structure schematic view of a low-noise energy-saving air conditioner according to the present application is shown in the figure.

[0021] Figure 3 A front internal structure schematic view of a low-noise energy-saving air conditioner according to the present application is shown in the figure.

[0022] Figure 4 A front partial structure schematic view of a low-noise energy-saving air conditioner according to the present application is shown in the figure.

[0023] Figure 5 A rear internal structure schematic view of a low-noise energy-saving air conditioner according to the present application is shown in the figure.

[0024] Figure 6 A mounting structure schematic view of a centrifugal fan and a second motor is shown in the figure.

[0025] Figure 7 A mounting structure schematic view of a buffering mechanism is shown in the figure.

[0026] Figure 8 Fig. 1 is a schematic view of the mounting structure of the first damper and the second damper;

[0027] Figure 9 Fig. 2 is a schematic view of the mounting structure of the connecting plate and the elastic mechanism;

[0028] Figure 10 Fig. 3 is a schematic view of the structure of the connecting mechanism.

[0029] In the figure: 1, body; 2, centrifugal fan; 3, front air inlet; 4, rear air inlet; 5, honeycomb plate; 6, evaporator; 7, condenser; 8, partition; 9, pipeline; 10, upper cavity; 11, lower cavity; 12, compressor; 13, axial flow fan; 14, buffer mechanism; 15, shell; 16, fixed frame; 17, mounting block; 18, first motor; 19, polyurethane rubber pad; 20, mounting frame; 21, second motor; 22, mounting plate; 23, first spring; 24, sealing block; 25, bottom plate; 26, bolt; 27, first rubber pad; 28, first buffer shaft; 29, first damper; 30, sliding groove; 31, second damper; 32, U-shaped plate; 33, connecting plate; 34, third buffer sleeve; 35, second rubber pad; 36, third spring; 37, second buffer sleeve; 38, third buffer shaft; 39, side pipe; 40, threaded sleeve; 41, second spring; 42, plug; 43, second buffer shaft; 44, first buffer sleeve. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0031] Reference Figures 1-10 A low-noise energy-saving air conditioner, comprising a body 1, the front and rear of the body 1 are respectively provided with a front air inlet 3 and a rear air inlet 4, both sides of the body 1 are provided with a honeycomb plate 5, the honeycomb plate 5 has a sound-absorbing effect, an upper cavity 10 and a lower cavity 11 are formed in the body 1 by a partition 8, an axial flow fan 13 is rotatably installed in the upper cavity 10, a centrifugal fan 2 is rotatably installed in the lower cavity 11, an evaporator 6 is arranged in the upper cavity 10, a condenser 7 and a compressor 12 are arranged in the lower cavity 11, and the evaporator 6, the condenser 7 and the compressor 12 are connected by a pipeline 9;

[0032] The air conditioner is placed in the room, when the air conditioner is used, the axial flow fan 13 rotates under the driving of the first motor 18, the centrifugal fan 2 rotates under the driving of the second motor 21, the rotating second motor 21 can extract the gas in the body 1 and deliver along a certain direction, the axial flow fan 13 can realize air supply when rotating, when the air passes through the upper cavity 10, the liquid in the pipeline 9 evaporates and absorbs heat, which can effectively cool the surrounding air, the cold air is delivered to the room through the axial flow fan 13, thereby realizing the cooling effect of the room.

[0033] The surface of the compressor 12 is connected with a plurality of buffering mechanisms 14 through the fixed frame 16, the axial flow fan 13 is driven by the first motor 18, the centrifugal fan 2 is driven by the second motor 21, the first motor 18 and the surface of the compressor 12 are both fixedly sleeved with the mounting frame 20, the two sides of the mounting frame 20 are both connected with the mounting block 17, the mounting block 17 is fixedly connected with the inner wall of the body 1, and the polyurethane rubber pad 19 is arranged between the mounting block 17 and the inner wall of the body 1;

[0034] The outer side of the centrifugal fan 2 is provided with the shell 15, the two sides of the shell 15 are symmetrically provided with the stabilizing mechanism, the stabilizing mechanism and the mounting block 17 are connected with the inner wall of the body 1, and the polyurethane rubber pad 19 is also arranged between the stabilizing mechanism and the inner wall of the body 1; the polyurethane has very good damping and noise reduction effects, and a large number of fine pores are formed in the polyurethane material during preparation, and the polyurethane material has good effects on processing low-frequency noise.

[0035] The buffering mechanism 14 comprises a first buffering shaft 28, a first buffering sleeve 44 and a bottom plate 25, the first buffering shaft 28 is slidingly inserted into the first buffering sleeve 44, the bottom plate 25 is fixedly connected with the bottom inner wall of the body 1 through the bolt 26, the first rubber pad 27 is sleeved on the bolt 26 and arranged between the bottom plate 25 and the body 1, the first buffering sleeve 44 is filled with oil liquid, a sealing block 24 is fixedly installed on one end of the first buffering shaft 28 in the first buffering sleeve 44, a first spring 23 is arranged in the first buffering sleeve 44, and the two ends of the first spring 23 are fixedly connected with the first buffering shaft 28 and the inner wall of the first buffering sleeve 44 respectively, and the first buffering shaft 28 is fixedly connected with the outer surface of the fixed frame 16.

[0036] When the compressor 12 is in operation, it will vibrate and produce a lot of noise. Therefore, when the compressor 12 is installed and fixed, it is connected through a plurality of buffering mechanisms 14. When the compressor 12 vibrates, it will affect the first buffering shaft 28 through the fixed frame 16. The first buffering shaft 28 will slide relative to the first buffering sleeve 44. The first spring 23 in the first buffering sleeve 44 will deform under the pressure from the first buffering shaft 28. The first buffering sleeve 44 is filled with oil, which can effectively act as a damper to reduce vibration when the first buffering shaft 28 shakes. The first spring 23 can relieve pressure by deforming. The first spring 23 consumes the transmitted pressure through internal energy when it deforms. The internal oil temperature changes during repeated shaking, which can also consume energy to achieve the effect of buffering and noise reduction. The first rubber pad 27 on the bottom pad can also reduce the noise caused by rigidly fixed connection and shaking.

[0037] The stabilizing mechanism includes a connecting plate 33 fixedly connected to the shell 15. The connecting plate 33 is provided with a groove, and a hole is symmetrically formed in the groove. An elastic mechanism is inserted into the hole. The connecting portion of the connecting plate 33 and the shell 15 is in the same vertical plane as the hole. The elastic mechanism reduces vibration and noise. The elastic mechanism and the connecting portion are arranged in the same vertical plane to ensure effective vibration reduction and noise reduction.

[0038] The elastic mechanism includes a third buffering shaft 38 and a third buffering sleeve 34. The third buffering sleeve 34 is arranged through the hole. The third buffering shaft 38 is sealingly and slidably inserted into the third buffering sleeve 34. The third buffering shaft 38 is provided with a third spring 36, and is also filled with oil. The third buffering sleeve 34 is provided with a second rubber pad 35. The second rubber pad 35 is arranged between the connecting plate 33 and the inner wall of the machine body 1. The end of the third buffering shaft 38 away from the third buffering sleeve 34 abuts against the inner wall of the groove near the shell 15. The shell 15 is provided with a rotating centrifugal fan 2. The rotating centrifugal fan 2 will affect the shell 15. When the shell 15 shakes, the elastic mechanism can buffer the vibration. The third buffering shaft 38 will move relative to the third buffering sleeve 34, and the third spring 36 and the internal oil can buffer the vibration. The second rubber pad 35 arranged at the connecting portion of the connecting plate 33 and the machine body 1 can reduce the rigid connection and the soft contact during shaking, thereby achieving the effect of noise reduction.

[0039] The side of the connecting plate 33 is provided with a plurality of first dampers 29, one end of two first dampers 29 is fixedly connected with the connecting plate 33, and the other end is fixedly connected with a U-shaped plate 32, the positions above and below the U-shaped plate 32 on the adjacent mounting block 17 are fixedly connected with a sliding groove 30, the second damper 31 is slidingly installed on the sliding groove 30, one end of the second damper 31 is slidingly connected with the sliding groove 30, the other end of the second damper 31 is fixedly connected with the side of the U-shaped plate 32, the direction of the shaking of the connecting plate 33 is indefinite, the first damper 29 can provide damping in one direction, the second damper 31 can provide damping in another direction, and the second damper 31 can adaptively slide on the sliding groove 30 when shaking.

[0040] The mounting block 17 close to the mounting frame 20 is provided with a mounting plate 22, the mounting frame 20 is arranged above the mounting plate 22, the mounting plate 22 is connected with the mounting frame 20 through screws, and rubber pads are arranged between the mounting plate 22 and the mounting frame 20, the mounting frame 20 supports the second motor 21 or the first motor 18 mounted on the mounting frame 20, and the rubber pads arranged at the connection positions can reduce vibration and noise.

[0041] A plurality of connecting mechanisms are arranged between the mounting block 17 and the mounting frame 20, the connecting mechanism comprises a second buffer sleeve 37 and a second buffer shaft 43 inserted in the second buffer sleeve 37, the second buffer sleeve 37 is filled with oil, the second buffer sleeve 37 is fixedly connected with the mounting frame 20, and the second buffer shaft 43 is fixedly connected with the mounting block 17, the mounting frame 20 is directly connected with the motor, the mounting frame 20 is connected with the mounting block 17 through the connecting mechanism, the connecting mechanism has a buffering and damping effect, the oil can limit the shaking of the mounting frame 20, and the relatively rigid connection of the oil can reduce the shaking vibration.

[0042] A side pipe 39 is connected to one side of the second buffer sleeve 37, the side pipe 39 communicates with the second buffer sleeve 37, a plug block 42 is sealingly inserted in the side pipe 39, a second spring 41 is sleeved on the side pipe 39, and two ends of the second spring 41 are fixedly connected with the surface of the side pipe 39 and the end of the plug block 42, respectively. The side pipe 39 is additionally arranged on the side of the second buffer sleeve 37, which can ensure the connection effect of the mounting frame 20 and the mounting block 17 and provide a buffering and noise reduction effect, when the second buffer shaft 43 moves relative to the second buffer sleeve 37, the plug block 42 can move relative to the side pipe 39, and under the limiting action of the second spring 41, since the moving direction of the plug block 42 is perpendicular to the moving direction of the second buffer shaft 43, when shaking occurs, the shaking degree of the whole is reduced by changing the shaking direction, thereby achieving a noise reduction effect.

[0043] The surface of the side pipe 39 is provided with threads, the threaded sleeve 40 is sleeved on the side pipe 39, and one end of the second spring 41 is in sliding connection with the threaded sleeve 40. By rotating the threaded sleeve 40, the position relative to the side pipe 39 can be adjusted, the degree of stretching of the second spring 41 can be adjusted, and thus the overall noise reduction effect can be changed, thereby achieving an adjustable effect.

[0044] During use of the device, the axial flow fan 13, the centrifugal fan 2 and the compressor 12 are in operation, and the device will vibrate. When the compressor 12 vibrates, the surface of the compressor 12 is connected with a plurality of buffering mechanisms 14 through the fixed frame 16. The buffering mechanisms 14 play a role in shock absorption and noise reduction. The first buffering shaft 28 directly connected with the fixed frame 16 is inserted into the first buffering sleeve 44. The first buffering sleeve 44 is provided with oil and the first spring 23. When the first buffering shaft 28 moves up and down relative to the first buffering sleeve 44, the first spring 23 and the oil jointly act to reduce vibration. By slowing down the vibration and reducing the rate of vibration, the effect of shock absorption and noise reduction is achieved. Moreover, the first buffering sleeve 44 is filled with oil, which ensures a basic stable connection effect during shock absorption.

[0045] The rotation of the axial flow fan 13 relies on the driving of the first motor 18, and the rotation of the centrifugal fan 2 relies on the driving of the second motor 21. The second motor 21 and the first motor 18 will vibrate when they are in operation. The outer surfaces of the second motor 21 and the first motor 18 are both connected with the mounting block 17 through the mounting frame 20. A plurality of connecting mechanisms are mounted between the mounting frame 20 and the mounting block 17. The second buffering shaft 43 in the connecting mechanisms moves relative to the second buffering sleeve 37. The inside is buffered by filling oil. A movable plug 42 is arranged on one side of the second buffering sleeve 37. The plug 42 moves relative to the side pipe 39. When the second buffering shaft 43 moves relative to the second buffering sleeve 37, the oil inside will be squeezed into the side pipe 39, thereby causing pressure on the plug 42. The movement of the plug 42 is limited by the second spring 41. The moving directions of the plug 42 and the second buffering shaft 43 are different. By decomposing the pressure caused by vibration and changing the direction of vibration, the effect of shock absorption and noise reduction is achieved.

[0046] The outer surface of the centrifugal fan 2 for air extraction is provided with the shell 15. The shell 15 is fixedly connected with the inner wall of the machine body 1 through the connecting plate 33. The connecting plate 33 is also provided with an elastic mechanism in the groove. When the centrifugal fan 2 rotates to shake the shell 15, the connecting plate 33 will cause pressure on the third buffering shaft 38, and the third buffering shaft 38 will move into the third buffering sleeve 34. The third spring 36 with elasticity and the oil inside can play a buffering role.

[0047] The connecting plate 33 can be buffered and damped in the elastic mechanism direction, and is connected with the mounting block 17 through the first damper 29, and the first damper 29 can slide relative to the sliding groove 30 through the second damper 31. The sliding structure can be used for adapting to the shaking. The sliding groove 30, the first damper 29 and the elastic mechanism are perpendicular to each other in the extension direction, so that the damping and buffering can be performed in all directions when the shaking occurs.

[0048] The above only describes the preferred embodiments of the present application. It should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A low noise energy saving air conditioner characterized by, The utility model relates to a kind of air conditioners, including body (1), the front and rear of the body (1) are provided with front air port (3), rear air port (4) respectively, both sides in the body (1) are provided with honeycomb board (5), the upper cavity (10) and lower cavity (11) are formed in the body (1) by partition (8), shaft flow fan (13) is rotatably installed in the upper cavity (10), centrifugal fan (2) is rotatably installed in the lower cavity (11), evaporator (6) is provided in the upper cavity (10), condenser (7), compressor (12) are provided in the lower cavity (11), and evaporator (6), condenser (7), compressor (12) are connected by pipeline (9) between them; The surface of the compressor (12) is connected with a plurality of buffering mechanisms (14) by a fixed frame (16), the shaft flow fan (13) is driven by a first motor (18), the centrifugal fan (2) is driven by a second motor (21), the first motor (18) and the surface of the compressor (12) are both fixedly sleeved with a mounting frame (20), the two sides of the mounting frame (20) are both connected with a mounting block (17), the mounting block (17) is fixedly connected with the inner wall of the body (1), and a polyurethane rubber pad (19) is arranged between the mounting block (17) and the inner wall of the body (1); The outer side of the centrifugal fan (2) is provided with a shell (15), the shell (15) is symmetrically provided with a stabilizing mechanism on both sides, the stabilizing mechanism, the mounting block (17) and the inner wall of the body (1) are connected; The stabilizing mechanism comprises a connecting plate (33) fixedly connected with the shell (15), the connecting plate (33) is provided with a groove, the groove is symmetrically provided with a hole, and an elastic mechanism is inserted into the hole; The elastic mechanism comprises a third buffer shaft (38) and a third buffer sleeve (34), the third buffer sleeve (34) is arranged through the hole, the third buffer shaft (38) is sealingly and slidingly inserted into the third buffer sleeve (34), a third spring (36) is installed in the third buffer shaft (38), and the third buffer shaft (38) is also filled with oil, a second rubber pad (35) is sleeved on the third buffer sleeve (34), the second rubber pad (35) is arranged between the connecting plate (33) and the inner wall of the body (1), and the end of the third buffer shaft (38) away from the third buffer sleeve (34) abuts against the inner wall of the groove near the shell (15). One side of the connecting plate (33) is provided with a plurality of first dampers (29), one end of two first dampers (29) is fixedly connected with the connecting plate (33), the other end is fixedly connected with a U-shaped plate (32), the adjacent mounting block (17) is fixedly connected with a sliding groove (30) at the position above and below the U-shaped plate (32), the second damper (31) is slidably installed on the sliding groove (30), one end of the second damper (31) is slidably connected with the sliding groove (30), the other end of the second damper (31) is fixedly connected with the side edge of the U-shaped plate (32).

2. The low noise energy efficient air conditioner as claimed in claim 1, wherein, The buffer mechanism (14) comprises a first buffer shaft (28), a first buffer sleeve (44) and a bottom plate (25), the first buffer shaft (28) is slidably inserted into the first buffer sleeve (44), the bottom plate (25) is fixedly connected with the inner wall of the bottom of the machine body (1) through bolts (26), the first rubber pad (27) is sleeved on the bolt (26), and the first rubber pad (27) is arranged between the bottom plate (25) and the machine body (1), the first buffer sleeve (44) is filled with oil, one end of the first buffer shaft (28) located in the first buffer sleeve (44) is fixedly installed with a sealing block (24), the first buffer sleeve (44) is provided with a first spring (23), and two ends of the first spring (23) are fixedly connected with the first buffer shaft (28) and the inner wall of the first buffer sleeve (44) respectively, and the first buffer shaft (28) is fixedly connected with the outer surface of the fixed frame (16).

3. The low noise energy efficient air conditioner as claimed in claim 1 wherein, The mounting block (17) is provided with a mounting plate (22) close to the mounting frame (20), the mounting frame (20) is arranged above the mounting plate (22), the mounting plate (22) is connected with the mounting frame (20) through screws, and a rubber pad is arranged between the mounting plate (22) and the mounting frame (20).

4. The low noise energy efficient air conditioner as claimed in claim 1, wherein, A plurality of connecting mechanisms are arranged between the mounting block (17) and the mounting frame (20), the connecting mechanism comprises a second buffer sleeve (37) and a second buffer shaft (43) inserted into the second buffer sleeve (37), the second buffer sleeve (37) is filled with oil, the second buffer sleeve (37) is fixedly connected with the mounting frame (20), and the second buffer shaft (43) is fixedly connected with the mounting block (17).

5. The low noise energy efficient air conditioner as claimed in claim 4, wherein, One side of the second buffer sleeve (37) is connected with a side pipe (39), the side pipe (39) communicates with the second buffer sleeve (37), the plug block (42) is sealingly inserted into the side pipe (39), the second spring (41) is sleeved on the side pipe (39), and two ends of the second spring (41) are fixedly connected with the surface of the side pipe (39) and the end of the plug block (42) respectively.

6. The low noise energy efficient air conditioner as claimed in claim 5, wherein, The surface of the side pipe (39) is provided with threads, the threaded sleeve (40) is threadedly sleeved on the side pipe (39), and one end of the second spring (41) is slidably connected with the threaded sleeve (40).

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