Low-noise energy-saving air conditioner

Abstract

The invention 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 opening and a rear air opening are formed in the front portion and the rear portion of the machine body respectively, cellular boards are arranged on the two sides in the machine body, an upper cavity and a lower cavity are formed in the machine body through a partition plate, and an axial flow fan is rotationally installed in the upper cavity; a centrifugal fan is rotatably mounted 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 through pipelines. According to the noise reduction compressor, the honeycomb plate is installed in the machine body and has the sound absorption effect, noise reduction is conducted on the compressor through the multiple buffer mechanisms, and polyurethane rubber pads are arranged between the first motor and the second motor for driving and the machine body and used for damping and noise reduction; and meanwhile, a connecting mechanism, a stabilizing mechanism and the like with a buffering function are further arranged on connection, and buffering is conducted 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 totally 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 hot source equipment, cold and hot medium systems, end 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. 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. An outer shell is arranged on the outer side of the centrifugal fan, 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.

[0006] 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.

[0007] 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.

[0008] 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.

[0009] 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.

[0010] Preferably, an installation plate is arranged on the mounting block close to the installation frame, the installation frame is arranged above the installation plate, the installation plate is connected with the installation frame through screws, and a rubber gasket is arranged between the installation plate and the installation frame.

[0011] Preferably, a plurality of connecting mechanisms are arranged between the mounting block and the installation 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 installation frame, and the second buffer shaft is fixedly connected with the mounting block.

[0012] 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.

[0013] Preferably, the surface of the side pipe is provided with threads, a threaded sleeve is sleeved on the side pipe in a threaded manner, and one end of the second spring is in sliding connection with the threaded sleeve.

[0014] Compared with the prior art, the present application has the following beneficial effects: 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 subjected to noise reduction by a plurality of buffering mechanisms, the first motor and the second motor for driving are provided with polyurethane rubber pads for shock absorption and noise reduction when connected with the body, and connecting mechanisms and stabilizing mechanisms having buffering effects are further provided on the connections, thereby buffering from multiple aspects.

[0015] 2. In the present application, the connecting plate on one side of the centrifugal fan can be buffered and damped in the direction of the elastic mechanism, the connecting plate is connected with the mounting block through the first damper, the first damper can slide relative to the sliding groove through the second damper, the sliding structure can be used to adapt to the shaking, the sliding groove, the first damper and the elastic mechanism are perpendicular to each other in the extension direction, so that the damping and buffering can be performed from all directions when the shaking occurs, thereby achieving the effect of noise reduction. BRIEF DESCRIPTION OF DRAWINGS

[0016] 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. 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. 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. 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. 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. Figure 6 An installation structure schematic view of a centrifugal fan and a second motor according to the present application is shown in the figure. Figure 7 An installation structure schematic view of a buffering mechanism according to the present application is shown in the figure. Figure 8 An installation structure schematic view of a first damper and a second damper according to the present application is shown in the figure. Figure 9 An installation structure schematic view of a connecting plate and an elastic mechanism according to the present application is shown in the figure. Figure 10A structural schematic diagram of the connecting mechanism.

[0017] In the figure: 1, body; 2, centrifugal fan; 3, front air port; 4, rear air port; 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

[0018] 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 part of the embodiments of the present application, rather than all the embodiments of the present application.

[0019] 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 port 3 and a rear air port 4, both sides of the body 1 are provided with a honeycomb plate 5, the honeycomb plate 5 has a sound-absorbing effect, the body 1 is divided into an upper cavity 10 and a lower cavity 11 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; The air conditioner is placed in a room, when the air conditioner is used, the axial flow fan 13 rotates under the drive of a first motor 18, the centrifugal fan 2 rotates under the drive of a second motor 21, the rotating second motor 21 can extract the gas in the body 1 and deliver it in a certain direction, the axial flow fan 13 can realize air supply when it rotates, 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.

[0020] 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, both sides of the mounting frame 20 are connected with the mounting block 17, the mounting block 17 is fixedly connected with the inner wall of the machine body 1, and the polyurethane rubber pad 19 is arranged between the mounting block 17 and the inner wall of the machine body 1; The outer side of the centrifugal fan 2 is provided with the 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 machine body 1 are connected, and the polyurethane rubber pad 19 is also arranged between the stabilizing mechanism and the inner wall of the machine body 1; the polyurethane has very good damping and noise reduction effects; when the polyurethane material is prepared, a large number of fine pores are formed in the polyurethane material, and the polyurethane material has a good effect on processing low-frequency noise.

[0021] 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 machine 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 machine body 1, the first buffering sleeve 44 is filled with oil, one end of the first buffering shaft 28 located in the first buffering sleeve 44 is fixedly provided with the sealing block 24, the first buffering sleeve 44 is provided with the first spring 23, 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.

[0022] When the compressor 12 operates, vibration and noise are generated, so when the compressor 12 is installed and fixed, a plurality of buffering mechanisms 14 are connected, when the compressor 12 vibrates, the first buffering shaft 28 is affected through the fixed frame 16, the first buffering shaft 28 slides relative to the first buffering sleeve 44, the first spring 23 in the first buffering sleeve 44 is deformed under the pressure from the first buffering shaft 28, the first buffering sleeve 44 is filled with oil, which can effectively act as damping to reduce vibration when the first buffering shaft 28 shakes, the first rubber pad 27 is arranged between the bottom plate 25 and the machine body 1, and the first rubber pad 27 is used to connect the bottom plate 25 and the machine body 1, when the compressor 12 shakes and generates pressure, the first spring 23 can relieve the pressure by deformation, the first spring 23 consumes the transmitted pressure through internal energy when it deforms, the temperature of the oil inside changes in the process of repeated shaking, and the energy can also be consumed through the temperature change, thereby achieving the effect of buffering and noise reduction, and the first rubber pad 27 on the bottom pad can reduce the noise when the rigid fixed connection shakes.

[0023] 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, the hole is provided with an elastic mechanism, the connecting plate 33 and the shell 15 are located in the same vertical plane at the connecting position, and the elastic mechanism has the effect of reducing vibration and noise.

[0024] 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 arranged in the third buffer sleeve 34, the third buffer shaft 38 is provided with a third spring 36, and the third buffer shaft 38 is also filled with oil, the third buffer 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, one end of the third buffer shaft 38, away from the third buffer sleeve 34, is abutted against the inner wall of the groove near the shell 15, and the shell 15 is provided with a rotating centrifugal fan 2, the rotating centrifugal fan 2 can affect the shell 15, when the shell 15 shakes, the elastic mechanism can have a buffering effect, the third buffer shaft 38 can move relative to the third buffer sleeve 34, and the third spring 36 and the oil in the third buffer shaft 38 can buffer and reduce vibration, and the second rubber pad 35 arranged at the connecting position of the connecting plate 33 and the machine body 1 can slow down rigid connection and soft contact in the shaking process, and can have a noise reduction effect.

[0025] A plurality of first dampers 29 are arranged on one side of the connecting plate 33, one end of each of the 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 slide grooves 30 are fixedly connected with the U-shaped plate 32 at positions above and below the U-shaped plate 32 on the adjacent mounting blocks 17, the second dampers 31 are slidingly arranged on the slide grooves 30, one end of each of the second dampers 31 is slidingly connected with the slide grooves 30, and the other end of each of the second dampers 31 is fixedly connected with the side edge of the U-shaped plate 32, the direction in which the connecting plate 33 shakes is uncertain, the first dampers 29 can provide vibration reduction in one direction, the second dampers 31 can provide vibration reduction in another direction, and the second dampers 31 can slidingly move on the slide grooves 30 adaptively.

[0026] The mounting block 17 is provided with a mounting plate 22 near 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 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 arranged on the mounting frame 20, and the rubber pads arranged at the connecting position can have the effects of reducing vibration and noise.

[0027] A plurality of connecting mechanisms are arranged between the mounting block 17 and the mounting frame 20, the connecting mechanisms comprising a second buffer sleeve 37 and a second buffer shaft 43 inserted in the second buffer sleeve 37, the second buffer sleeve 37 being filled with oil, the second buffer sleeve 37 being fixedly connected with the mounting frame 20, the second buffer shaft 43 being fixedly connected with the mounting block 17, the mounting frame 20 being directly connected with the motor, the mounting frame 20 being connected with the mounting block 17 through the connecting mechanisms, the connecting mechanisms having a buffering and damping effect, the oil being capable of limiting the shaking of the mounting frame 20, thereby reducing the vibration, and the oil being relatively rigid, which can reduce the shaking vibration.

[0028] The second buffer sleeve 37 is connected with a side pipe 39 in communication with the second buffer sleeve 37, the side pipe 39 being sealed with an insertion block 42, and the second buffer sleeve 37 is sleeved with a second spring 41, the two ends of the second spring 41 being fixedly connected with the surface of the side pipe 39 and the end of the insertion block 42, respectively. The side pipe 39 is additionally arranged on the side of the second buffer sleeve 37, which not only ensures the connecting effect of the mounting frame 20 and the mounting block 17, but also provides a buffering and noise reduction effect. When the second buffer shaft 43 moves relative to the second buffer sleeve 37, the insertion block 42 can move relative to the side pipe 39, and under the limiting effect of the second spring 41, the moving direction of the insertion block 42 is perpendicular to the moving direction of the second buffer shaft 43, so that when shaking occurs, the shaking degree of the whole is reduced by changing the shaking direction, thereby achieving a noise reduction effect.

[0029] The surface of the side pipe 39 is provided with threads, the side pipe 39 is threaded with a threaded sleeve 40, and one end of the second spring 41 is slidably connected 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.

[0030] During use of the device, the shaft fan 13, the centrifugal fan 2 and the compressor 12 are in operation, and the equipment will vibrate. When the compressor 12 vibrates, the surface of the compressor 12 is connected with a plurality of buffering mechanisms 14 through the fixing frame 16, the buffering mechanisms 14 having a damping and noise reduction effect, the first buffer shaft 28 directly connected with the fixing frame 16 is inserted in the first buffer sleeve 44, the first buffer sleeve 44 is provided with oil and the first spring 23, and when the first buffer shaft 28 moves up and down relative to the first buffer sleeve 44, the first spring 23 and the oil jointly act to reduce the vibration, thereby reducing the vibration and the rate of vibration, achieving a damping and noise reduction effect, and the first buffer sleeve 44 is filled with oil, which ensures a basic stable connecting effect during damping.

[0031] The rotation of the axial fan 13 is driven by the first motor 18, and the rotation of the centrifugal fan 2 is driven by the second motor 21. The second motor 21 and the first motor 18 vibrate when they are running. The mounting block 17 is connected to the outer surface of the second motor 21 and the first motor 18 through the mounting frame 20. A plurality of connecting mechanisms are installed between the mounting frame 20 and the mounting block 17. The second buffer shaft 43 and the second buffer sleeve 37 in the connecting mechanism move. The inside is filled with oil for buffering. An movable plug 42 is arranged on one side of the second buffer sleeve 37. The plug 42 moves relative to the side pipe 39. When the second buffer shaft 43 moves relative to the second buffer sleeve 37, the oil inside will be squeezed into the side pipe 39, thereby causing pressure to the plug 42. The movement of the plug 42 is limited by the second spring 41. The moving direction of the plug 42 and the second buffer shaft 43 is different. The pressure caused by the vibration is decomposed, and the direction of the vibration is changed, so as to achieve the effect of shock absorption and noise reduction.

[0032] The outer surface of the centrifugal fan 2 is provided with the shell 15. The shell 15 is fixedly connected to 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 and drives the shell 15 to shake, the connecting plate 33 will cause pressure to the third buffer shaft 38. The third buffer shaft 38 will move into the third buffer sleeve 34. The third spring 36 with elasticity and the oil inside can play a buffering role.

[0033] The connecting plate 33 can be buffered and damped in the direction of the elastic mechanism. The connecting plate 33 is connected to the mounting block 17 through the first damper 29. The first damper 29 can slide relative to the sliding groove 30 through the second damper 31. The sliding structure can be used to adapt to the shaking. The sliding direction of the sliding groove 30, the first damper 29 and the elastic mechanism is perpendicular to each other, so that the damping and buffering can be carried out from all directions when shaking.

[0034] The above is only the preferred embodiment 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. 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 provides a kind of air conditioner, 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), the upper cavity (10) is rotatably installed with axial fan (13), the lower cavity (11) is rotatably installed with centrifugal fan (2), the upper cavity (10) is provided with evaporator (6), the lower cavity (11) is provided with condenser (7), compressor (12), and the 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) through a fixed frame (16), the axial 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 an outer shell (15), the outer shell (15) is symmetrically provided with a stabilizing mechanism on both sides, and the stabilizing mechanism, the mounting block (17) and the inner wall of the body (1) are connected.

2. The low noise energy efficient air conditioner as claimed in claim 1, wherein, The buffering mechanism (14) includes 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 inner bottom wall of the body (1) by bolts (26), a 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, 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).

3. The low noise energy efficient air conditioner as claimed in claim 1 wherein, The stabilizing mechanism includes a connecting plate (33) fixedly connected with the outer shell (15), the connecting plate (33) is provided with a groove, the groove is symmetrically provided with a hole, an elastic mechanism is inserted into the hole, and the connecting portion of the connecting plate (33) and the outer shell (15) is in the same vertical plane with the hole.

4. The low noise energy efficient air conditioner as claimed in claim 3, wherein, The elastic mechanism comprises a third buffer shaft (38) and a third buffer sleeve (34), the third buffer sleeve (34) is arranged through a hole, the third buffer shaft (38) is sealingly and slidingly inserted into the third buffer sleeve (34), the third buffer shaft (38) is internally provided with a third spring (36), and the third buffer shaft (38) is also filled with oil liquid; 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 machine body (1), and one end of the third buffer shaft (38) away from the third buffer sleeve (34) abuts against the inner wall of the groove near one side of the shell (15).

5. The low noise energy efficient air conditioner as claimed in claim 4, wherein, 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), and the adjacent mounting block (17) is fixedly connected with a sliding groove (30) at positions above and below the U-shaped plate (32); a 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), and the other end of the second damper (31) is fixedly connected with the side edge of the U-shaped plate (32).

6. 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 gasket is arranged between the mounting plate (22) and the mounting frame (20).

7. 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 liquid, 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).

8. The low noise energy efficient air conditioner as claimed in claim 7, wherein, One side of the second buffer sleeve (37) is connected with a side pipe (39), the side pipe (39) is communicated with the second buffer sleeve (37), a plug block (42) is sealingly inserted into 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.

9. The low noise energy efficient air conditioner as claimed in claim 8, wherein, The surface of the side pipe (39) is provided with threads, a threaded sleeve (40) is threadedly sleeved on the side pipe (39), and one end of the second spring (41) is slidingly connected with the threaded sleeve (40).

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