Low-noise air conditioner outdoor unit

Abstract

The utility model relates to air conditioning technical field discloses a low noise's air conditioning outdoor unit, including the outer casing and compressor, the outer casing is provided with the bottom plate, and is provided with fixed damping mechanism between the bottom plate and compressor, and fixed damping mechanism includes damping column and bolt, and the compressor includes the outer wall of lower part, and the outer wall is fixedly provided with the mounting panel, and the mounting panel fixed connection is in the upper portion of damping column, and the bottom of damping column abuts on the upside of bottom plate, and the fixed connection through bolt between damping column and mounting panel, and the embedding nut is inlayed to be provided with in damping column, and the bolt is connected with embedding nut threadedly. The utility model sets up the damping column, and the damping column with elasticity is used for damping the compressor, and the annular inclined surface on the damping column can abut on the compressor, further improves the damping effect to the compressor, thereby reduces the noise, and at the same time plays a certain positioning effect to the compressor, reduces the vibration amplitude of compressor, and runs more stably.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning technology, and more specifically, to a low-noise outdoor air conditioning unit. Background Technology

[0002] With the continuous advancement of home appliance technology, people's quality of life is improving day by day. However, at the same time, the noise pollution caused by home appliances is becoming increasingly unacceptable to people. Among them, the usage rate of "standard" home appliances, such as air conditioners, is getting higher and higher. How to reduce air conditioner noise has become a focus of attention for industry professionals and air conditioner manufacturers.

[0003] Currently, the outdoor unit casing of most air conditioners is made of iron plates to directly encapsulate components such as the compressor. When the compressor is running, it is easy to generate a lot of noise, which will affect residents' rest. Some existing compressors use bolts to fix their noise reduction structure, such as noise reduction blocks. After a period of use, the bolts will loosen due to vibration, and the noise reduction blocks will not be able to fit the compressor well, resulting in a significant reduction in noise reduction effect and a poor user experience. Utility Model Content

[0004] To address at least one of the aforementioned problems, this utility model provides a low-noise outdoor air conditioning unit, comprising an outdoor unit housing and a compressor. The outdoor unit housing has a base plate, and a fixed vibration damping mechanism is provided between the base plate and the compressor. The fixed vibration damping mechanism includes a vibration damping column and bolts. The compressor includes a lower outer wall, on which a mounting plate is fixedly mounted. The mounting plate is fixedly connected to the upper part of the vibration damping column, and the bottom of the vibration damping column abuts against the upper side of the base plate. The vibration damping column and the mounting plate are fixedly connected by bolts. The vibration damping column is embedded with... An insert nut is provided, and the bolt is threadedly connected to the insert nut. An arc-shaped surface is provided annularly between the bottom of the compressor and the outer wall. An annular inclined surface is provided on the shock-absorbing column for abutting against the arc-shaped surface. The shock-absorbing column is made of elastic material. This utility model is a low-noise air conditioning outdoor unit equipped with a shock-absorbing column. The elastic shock-absorbing column dampens the compressor. The annular inclined surface on the shock-absorbing column can abut against the compressor, further improving the damping effect on the compressor, thereby reducing noise. At the same time, it plays a certain positioning role for the compressor, reducing the vibration amplitude of the compressor and making the operation more stable.

[0005] Optionally, the shock-absorbing column includes an integrally formed first column and a second column, the first column and the second column are coaxially arranged, the first column is located below the second column, the diameter of the first column is larger than the diameter of the second column, the annular inclined surface is arranged between the first column and the second column, and the second column is connected to the mounting plate.

[0006] Optionally, the mounting plate includes a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are vertically connected, the first connecting plate is fixedly connected to the outer wall, and the second connecting plate is snapped into the shock-absorbing column by injection molding. The shock-absorbing column has a slot for snapping into the mounting plate.

[0007] Optionally, the first connecting plate is fixed to the outer wall by spot welding, and a weld groove is formed on the first connecting plate.

[0008] Optionally, the second column is provided with an outward protrusion in an annular shape, and the lower side of the second connecting plate abuts against the upper end of the outward protrusion.

[0009] Optionally, the inclination angle of the annular inclined plane is 40°-50°.

[0010] Optionally, the inclination angle of the annular inclined plane is 45°.

[0011] Optionally, the upper end of the shock-absorbing column is provided with a thickened part that protrudes upward, and the thickened part is located directly above the insert nut.

[0012] Optionally, the outer wall of the insert nut is provided with herringbone knurled grooves, and multiple shock-absorbing columns are provided, which are distributed in a ring at equal intervals around the axis of the compressor.

[0013] Optionally, the shock-absorbing column is made of rubber or silicone, and the insert nut is embedded in the shock-absorbing column by a metal insert process; the bolt is provided with a bolt head, the bolt head is placed on the underside of the base plate, and an anti-loosening washer is provided between the bolt head and the base plate.

[0014] Compared to existing technologies, the low-noise outdoor unit of this invention features a shock-absorbing column. This elastic column dampens the compressor's vibrations, and its annular inclined surface abuts against the compressor, further enhancing the damping effect and reducing noise. Simultaneously, it positions the compressor, reducing its vibration amplitude and ensuring more stable operation. The compressor's vibration is absorbed by the column, reducing the vibration transmitted to the outdoor unit casing. Furthermore, the annular inclined surface provides horizontal and vertical support, limiting the compressor's vibration amplitude and improving its operational stability. With limited compressor vibration, the vibration energy transmitted to the outdoor unit casing and piping is reduced, directly decreasing the "humming" sound and metallic resonance noise during air conditioning operation. The second column has an annular protrusion, and the lower side of the second connecting plate abuts against the upper end of this protrusion. This protrusion increases the contact area with the second connecting plate, making the contact more stable and improving damping performance. Attached Figure Description

[0015] Figure 1 This is a perspective view of the low-noise outdoor unit of the air conditioner according to this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the outdoor unit casing of the low-noise air conditioner outdoor unit of this utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the low-noise outdoor unit fixing shock absorption mechanism of the present invention;

[0018] Figure 4 This is a cross-sectional view of the low-noise outdoor unit of the air conditioner according to this utility model;

[0019] Figure 5 for Figure 4 Enlarged view of section B;

[0020] Figure 6 This is a schematic diagram of the structure of the compressor of the low-noise outdoor unit of the air conditioner according to this utility model;

[0021] Figure 7 This is a schematic diagram of the low-noise air conditioner outdoor unit insert nut of this utility model.

[0022] The component names corresponding to the various labels in the figure are as follows: 1 is the outer casing, 11 is the base plate, 2 is the compressor, 21 is the outer wall, 22 is the arc-shaped surface, 3 is the shock-absorbing column, 31 is the first column, 32 is the second column, 321 is the outward protrusion, 301 is the annular inclined surface, 302 is the slot, 303 is the thickened part, 4 is the mounting plate, 41 is the first connecting plate, 411 is the welding groove, 401 is the engaging part, 42 is the second connecting plate, 5 is the bolt, 51 is the bolt head, 52 is the anti-loosening washer, 6 is the insert nut, 61 is the herringbone knurled groove, and A is the included angle. Detailed Implementation

[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] In the description of this utility model, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship when the product is in normal use.

[0025] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature.

[0026] See Figures 1-7This utility model provides a low-noise outdoor air conditioning unit, including an outdoor unit housing 1 and a compressor 2. The outdoor unit housing 1 is provided with a base plate 11, and a fixed shock-absorbing mechanism is provided between the base plate 11 and the compressor 2. The fixed shock-absorbing mechanism includes a shock-absorbing column 3 and bolts 5. The compressor 2 includes a lower outer wall 21, and a mounting plate 4 is fixedly provided on the outer wall 21. The mounting plate 4 is fixedly connected to the upper part of the shock-absorbing column 3. The bottom of the shock-absorbing column 3 abuts against the upper side of the base plate 11. The shock-absorbing column 3 and the mounting plate 4 are fixedly connected by bolts 5. An insert nut 6 is embedded in the shock-absorbing column 3. Bolt 5 is threadedly connected to insert nut 6. An arc-shaped surface 22 is provided annularly between the bottom of compressor 2 and outer wall 21. An annular inclined surface 301 is provided on the shock-absorbing column 3 to abut against the arc-shaped surface 22. The shock-absorbing column 3 is made of elastic material. The low-noise outdoor unit of this utility model is equipped with a shock-absorbing column. The compressor is damped by the elastic shock-absorbing column. The annular inclined surface on the shock-absorbing column can abut against the compressor, further improving the damping effect of the compressor, thereby reducing noise. At the same time, it plays a certain positioning role for the compressor, reducing the vibration amplitude of the compressor and making the operation more stable.

[0027] Specifically, the vibration of compressor 2 during operation can be decomposed into horizontal and vertical vibrations. The vertical vibration force can be transmitted to the damping column 3 by the mounting plate 4 for damping. The horizontal vibration force can be damped by the annular inclined surface 301. Since the annular inclined surface 301 is inclined, it can also provide elastic support force in the vertical direction for compressor 2 to a certain extent, further improving the damping effect and reducing the generated noise. The vibration force of compressor 2 during operation is absorbed by the damping column 3, thereby reducing the vibration force transmitted to the outdoor unit casing 1. In addition, since the annular inclined surface 301 can provide support force in both the horizontal and vertical directions for compressor 2, it limits the vibration amplitude of compressor 2, thereby improving the stability of compressor 2 during operation. After the vibration amplitude of the compressor is limited, the vibration energy transmitted to the outdoor unit casing 1 and pipelines is reduced, directly reducing the "humming" sound and metallic resonance noise during air conditioner operation. The connection method of embedded nuts in the damping column achieves "elastic damping + rigid fixing". The combination of these components serves to reduce vibration of the outdoor unit of the air conditioner and prevent bolts from loosening. The insert nuts are embedded in the shock-absorbing column 3 and are not easily rusted or corroded, resulting in a long service life. In the past, fixing methods using bolts and ordinary nuts were prone to loosening, and the nuts were also prone to rust and corrosion.

[0028] See Figure 4 and Figure 5The shock-absorbing column 3 includes an integrally formed first column 31 and second column 32, which are coaxially arranged. The first column 31 is located below the second column 32, and the diameter of the first column 31 is larger than that of the second column 32. An annular inclined surface 301 is disposed between the first column 31 and the second column 32. The second column 32 is connected to the mounting plate 4. The larger diameter of the first column 31 results in a larger contact area between its bottom surface and the base plate 11, making the first column 31 less prone to shaking after installation, thus making the structure more stable and increasing the contact area with the base plate 11. This disperses the weight pressure of the compressor and prevents local deformation. In addition, the second column 32 is connected to the mounting plate 4. The second column 32 absorbs the vibration energy of the mounting plate 4 and vibrates at high frequency. Since the diameter of the first column 31 is larger, it is not easy for it to vibrate at high frequency (compared to the small diameter), thus achieving the effect of high-frequency vibration isolation (using the diameter difference to form vibration isolation). It should be noted that in actual use, vibration isolation cannot be completely achieved. The high-frequency vibration will be converted into the low-frequency vibration of the first column 31. This part of the low-frequency vibration is ultimately transmitted to the base plate 11, thereby playing the role of shock absorption and noise reduction.

[0029] See Figures 3-6 The mounting plate 4 includes a first connecting plate 41 and a second connecting plate 42, which are vertically connected. The first connecting plate 41 is fixedly connected to the outer wall 21, and the second connecting plate 42 is snapped into the shock absorber column 3 by injection molding. The shock absorber column 3 has a slot 302 for snapping into the mounting plate 4, and the mounting plate 4 is provided with a snap-fit ​​part 401 that snaps into the slot 302. The structure is reasonably designed. The mounting plate 4 is made of metal and has high structural strength. The shock absorber column 3 can be connected to the insert nut 6 and the mounting plate 4 simultaneously by injection molding in one step, without the need for manual assembly, resulting in high production efficiency.

[0030] See Figure 3 and Figure 6 The first connecting plate 41 is fixed to the outer wall 21 by spot welding. A weld groove 411 is formed on the first connecting plate 41. The quality and efficiency of spot welding are improved by locally thinning the metal thickness. In this embodiment, the weld groove 411 is a round hole groove, and two are provided.

[0031] See Figure 4 and Figure 5The second column 32 has an outwardly protruding part 321 arranged in a ring. The lower side of the second connecting plate 42 abuts against the upper end of the outwardly protruding part 321. The outwardly protruding part 321 increases the contact area with the second connecting plate 42, making the contact more stable and improving the shock absorption performance. The inclination angle of the annular inclined surface 301 is 40°-50°. The inclination angle of the annular inclined surface 301 is 45°. The inclination angle is the size of the included angle A. The inclination angle of the annular inclined surface 301 is set appropriately. If the inclination angle of the annular inclined surface 301 is set too large, it will reduce the vertical support effect of the annular inclined surface on the compressor 2. If the inclination angle of the annular inclined surface 301 is set too small, it will reduce the horizontal support effect of the annular inclined surface on the compressor 2. The upper end of the shock-absorbing column 3 has a thickened part 303 protruding upward. The thickened part 303 is located directly above the insert nut 6, so that the top of the insert nut 6 is not easy to break through the upper part of the shock-absorbing column 3. The thickened part 303 extends the service life.

[0032] See Figure 5 and Figure 7 The outer wall of the insert nut 6 is provided with a herringbone knurled groove 61. The herringbone pattern consists of two rows of opposite oblique teeth. Regardless of whether the nut is subjected to clockwise or counterclockwise torque, the oblique teeth can engage with the base of the shock absorber column 3 to prevent loosening. Multiple shock absorber columns 3 are provided, and the multiple shock absorber columns 3 are distributed in a ring at equal intervals around the axis of the compressor 2. In this embodiment, three shock absorber columns 3 are provided. The shock absorber columns 3 are made of rubber or silicone. The insert nut 6 is embedded in the shock absorber column 3 through a metal insert process. The bolt 5 is provided with a bolt head 51, which is placed on the underside of the base plate 11. An anti-loosening washer 52 is provided between the bolt head 51 and the base plate 11 to further prevent the bolt 5 from loosening and ensure stable installation.

[0033] The low-noise outdoor unit of this utility model is equipped with a shock-absorbing column. The elastic shock-absorbing column dampens the compressor. The annular inclined surface on the shock-absorbing column can abut against the compressor, further improving the damping effect on the compressor and thus reducing noise. At the same time, it plays a certain positioning role for the compressor, reducing the vibration amplitude of the compressor and making the operation more stable.

[0034] In the description of this disclosure, it should be understood that the terms "upper", "lower", "bottom", "inner", "outer", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure.

[0035] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0036] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0037] In this disclosure, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first feature or in indirect contact with the first feature through an intermediate medium.

[0038] It should be noted that when a component is described as being "set on" another component, it can be directly on the other component or there may be an intervening component. When a component is described as "connected to another component," it can be directly connected to the other component or there may be an intervening component. Furthermore, when a component is described as being "fixedly connected" to another component, the connection can be detachable or non-detachable, such as through socketing, snap-fitting, integral molding, welding, etc., which are achievable in conventional technologies and will not be elaborated upon here.

[0039] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. A low-noise outdoor air conditioning unit, characterized in that, The unit includes an outdoor unit housing (1) and a compressor (2). The outdoor unit housing (1) is provided with a base plate (11). A fixed shock-absorbing mechanism is provided between the base plate (11) and the compressor (2). The fixed shock-absorbing mechanism includes a shock-absorbing column (3) and bolts (5). The compressor (2) includes a lower outer wall (21). A mounting plate (4) is fixedly provided on the outer wall (21). The mounting plate (4) is fixedly connected to the upper part of the shock-absorbing column (3). The bottom of the shock-absorbing column (3) abuts against the upper part of the compressor (2). On the upper side of the base plate (11), the shock-absorbing column (3) and the mounting plate (4) are fixedly connected by bolts (5). The shock-absorbing column (3) is embedded with an insert nut (6). The bolt (5) and the insert nut (6) are threadedly connected. An arc-shaped surface (22) is provided between the bottom of the compressor (2) and the outer wall (21). An annular inclined surface (301) is provided on the shock-absorbing column (3) for abutting against the arc-shaped surface (22). The shock-absorbing column (3) is made of elastic material.

2. The low-noise outdoor unit of the air conditioner according to claim 1, characterized in that, The shock-absorbing column (3) includes an integrally formed first column (31) and second column (32). The first column (31) and the second column (32) are coaxially arranged. The first column (31) is located below the second column (32). The diameter of the first column (31) is larger than the diameter of the second column (32). The annular inclined surface (301) is arranged between the first column (31) and the second column (32). The second column (32) is connected to the mounting plate (4).

3. The low-noise outdoor unit of the air conditioner according to claim 2, characterized in that, The mounting plate (4) includes a first connecting plate (41) and a second connecting plate (42). The first connecting plate (41) and the second connecting plate (42) are vertically connected. The first connecting plate (41) is fixedly connected to the outer wall (21). The second connecting plate (42) is snapped into the shock absorber column (3) by injection molding. The shock absorber column (3) has a slot (302) for snapping into the mounting plate (4).

4. The low-noise outdoor unit of the air conditioner according to claim 3, characterized in that, The first connecting plate (41) is fixed to the outer wall (21) by spot welding, and a weld groove (411) is formed on the first connecting plate (41).

5. The low-noise outdoor unit of the air conditioner according to claim 3, characterized in that, The second column (32) is provided with an outward protrusion (321) in an annular shape, and the lower side of the second connecting plate (42) abuts against the upper end of the outward protrusion (321).

6. The low-noise outdoor unit of the air conditioner according to claim 1, characterized in that, The inclination angle of the annular inclined plane (301) is 40°-50°.

7. The low-noise outdoor unit of the air conditioner according to claim 3, characterized in that, The inclination angle of the annular inclined plane (301) is 45°.

8. The low-noise outdoor unit of the air conditioner according to claim 1, characterized in that, The upper end of the shock-absorbing column (3) is provided with a thickened part (303) that protrudes upwards, and the thickened part (303) is located directly above the insert nut (6).

9. The low-noise outdoor unit of an air conditioner according to claim 1, characterized in that, The insert nut (6) has a herringbone knurled groove (61) on its outer side wall. Multiple shock absorber columns (3) are provided, and the multiple shock absorber columns (3) are distributed in a ring at equal intervals around the axis of the compressor (2).

10. The low-noise outdoor unit of an air conditioner according to any one of claims 1-9, characterized in that, The shock-absorbing column (3) is made of rubber or silicone. The insert nut (6) is embedded in the shock-absorbing column (3) by means of a metal insert process. The bolt (5) is provided with a bolt head (51). The bolt head (51) is placed on the underside of the base plate (11). An anti-loosening washer (52) is provided between the bolt head (51) and the base plate (11).

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