Fan assembly and air conditioner

Abstract

The utility model relates to a fan assembly and an air conditioner, the fan assembly comprises an assembling state and a carrying state, and the fan assembly comprises a first support, a second support, a motor, a connecting assembly and fan blades. The motor is connected to the motor support in a matched mode and provided with a first motor shaft. The connecting assembly comprises a connecting shaft, a coupler and a first mounting part, the connecting shaft is provided with a first end and a second end which are opposite in the axis direction of the connecting shaft, and the first end is connected with the first motor shaft through the coupler and is coaxial with the first motor shaft. When the fan assembly is in an assembled state, the second end is connected with the first support through the first installation piece. The weight of the connecting shaft, the weight of the motor and the weight of the fan blades are distributed to the first support and the second support through the first installation piece and the motor support respectively, the first support and the second support can completely bear vibration generated during operation of the fan assembly, and therefore abnormal vibration and noise are avoided.

Description

Technical Field

[0001] This application relates to the field of air conditioning technology, and in particular to a fan assembly and an air conditioner. Background Technology

[0002] Currently, judging from the development of the market situation, as living standards improve, people's requirements for indoor air and living environment quality are gradually increasing, and the market demand for air conditioners is also constantly expanding.

[0003] Air conditioners regulate indoor air temperature to meet users' living needs and make them more comfortable. In the structure of existing air conditioners, a fan assembly is typically included, which is used to generate airflow and provide cooling. The fan assembly includes a fan mounting plate, connectors, a motor, a connecting shaft, and fan blades. The fan mounting plate is placed vertically along the direction of gravity, and the connectors protrude horizontally from one side of the fan mounting plate. The motor shaft is connected to the connecting shaft via a coupling, the fan blades are mounted on the connecting shaft, the motor is mounted on the fan mounting plate, and the connectors horizontally connect the fan mounting plate and the connecting shaft.

[0004] In the aforementioned structure, the weight of the motor, connecting shaft, and fan blades is borne by the fan mounting plate. The higher the motor speed, the greater the rotational inertia of the fan blades. Insufficient structural strength of the fan mounting plate can easily cause it to wobble, leading to abnormal vibration and noise. Furthermore, the connector is a cantilever assembly. The end of the connector facing away from the fan mounting plate is connected to the connecting shaft and subjected to the downward vertical force generated by the connecting shaft and fan blades, making it prone to deformation and structural failure. Utility Model Content

[0005] In order to solve the above problems, a fan assembly and an air conditioner are provided.

[0006] A fan assembly, the fan assembly including an assembled state and a transport state, the fan assembly comprising:

[0007] First support;

[0008] The second bracket is cross-connected to the first bracket, and a motor bracket is provided on the second bracket;

[0009] An electric motor is mounted on the motor bracket, and the motor has a first motor shaft;

[0010] A connecting assembly includes a connecting shaft, a coupling, and a first mounting component. The connecting shaft has a first end and a second end opposite to each other along its own axial direction. The first end is connected to the first motor shaft via the coupling and is coaxially arranged with the first motor shaft.

[0011] The fan blades are fitted onto the connecting shaft;

[0012] When the wind turbine assembly is in the assembled state, the second end is connected to the first bracket through the first mounting component.

[0013] In one embodiment, the connection assembly further includes a second mounting member detachably coupled to the second bracket, and the end of the second mounting member facing away from the second bracket is configured as a support portion;

[0014] When the fan assembly is in the transport state, the second end is detachably connected to the lifting part.

[0015] In one embodiment, the second mounting component includes a mounting body, a mounting base, and a magnetic suction component. One end of the mounting body is configured to form the lifting portion, and the other end of the body is connected to the mounting base. The magnetic suction component is coupled to the mounting base and is used to attract the second bracket.

[0016] In one embodiment, the second mounting component further includes a reinforcing member connected between the mounting body and the mounting base, wherein the reinforcing member, the mounting body, and the mounting base together form a triangular structure.

[0017] In one embodiment, the connecting assembly further includes a bearing ring and a connector. The bearing ring is movably fitted onto the connecting shaft between each pair of adjacent fan blades. The connecting shaft is controllably rotatable relative to the bearing ring about its own axis. The connector is connected between the bearing ring and the first bracket.

[0018] In one embodiment, the connector includes a connecting seat, a fastening part, and a connecting body connecting the connecting seat and the fastening part. The fastening part is used to fasten with the bearing ring, and the connecting seat is used to connect with the first bracket.

[0019] In one embodiment, the connecting body has a through-hole near the fastening part at one end, the through-hole being used to avoid obstructing the connecting shaft.

[0020] In one embodiment, the bearing ring has a through mounting hole for the connecting shaft to pass through; one side surface of the bearing ring along the through direction protrudes to form a fastening engagement portion.

[0021] In one embodiment, the motor further includes a second motor shaft on which one of the fan blades is mounted.

[0022] An air conditioner includes the fan assembly described in the foregoing embodiments.

[0023] The aforementioned fan assembly and air conditioner include both an assembled state and a transported state. The fan assembly comprises a first bracket, a second bracket, a motor, a connecting component, and fan blades. The second bracket is cross-connected to the first bracket, and a motor bracket is mounted on the second bracket. The motor is mounted on the motor bracket and has a first motor shaft. The connecting component includes a connecting shaft, a coupling, and a first mounting component. The connecting shaft has a first end and a second end along its own axial direction. The first end is connected to the first motor shaft via the coupling and is coaxially arranged with the first motor shaft. The fan blades are mounted on the connecting shaft. When the fan assembly is in the assembled state, the second end is connected to the first bracket via the first mounting component. The motor is mounted on the second bracket via the motor bracket. The first end of the connecting shaft is connected to the first motor shaft of the motor via the coupling, and the second end of the connecting shaft is connected to the first bracket via the first mounting component. Thus, the weight of the connecting shaft, motor, and fan blades is distributed to the first and second brackets respectively through the first mounting component and the motor bracket. The first and second brackets can fully withstand the vibrations generated during the operation of the fan assembly, thereby avoiding abnormal vibrations and noise. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the wind turbine assembly in this application.

[0025] Figure 2 This is a schematic diagram of the assembly of the second bracket, motor, connecting shaft, second mounting component, and bearing ring in this application.

[0026] Figure 3 for Figure 2 A magnified schematic diagram of a portion of area A in the middle.

[0027] Figure 4 This is a schematic diagram of the structure of the second mounting component in this application.

[0028] Figure 5 This is a schematic diagram of the connector structure in this application.

[0029] Figure 6 This is a schematic diagram of the bearing rubber ring in this application.

[0030] Figure Labels

[0031] Fan assembly 100;

[0032] First support 10; fan blade 11;

[0033] Second bracket 12; motor bracket 121; limiting part 122;

[0034] Motor 13; First motor shaft 131; Second motor shaft 132;

[0035] Connection component 14;

[0036] Connecting shaft 141; Coupling 142; First mounting component 143;

[0037] Second mounting component 144; mounting body 1441; mounting base 1442; magnetic suction component 1443; reinforcing component 1444; lifting part 1445;

[0038] Connector 145; Connector 1451; Fastening part 1452; Connecting body 1453; Alternating hole 1454;

[0039] Bearing rubber ring 146; mounting hole 1461; mating part 1462. Detailed Implementation

[0040] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0041] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms 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 application and simplifying the description, and do not 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 application.

[0042] Furthermore, where the terms "first" and "second" appear, these terms are 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" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0043] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," 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 or an electrical 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 application based on the specific circumstances.

[0044] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0045] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0046] Currently, judging from the development of the market situation, as living standards improve, people's requirements for indoor air and living environment quality are gradually increasing, and the market demand for air conditioners is also constantly expanding.

[0047] Air conditioners regulate indoor air temperature to meet users' living needs and make them more comfortable. In the structure of existing air conditioners, a fan assembly is typically included, which is used to generate airflow and provide cooling. The fan assembly includes a fan mounting plate, connectors, a motor, a connecting shaft, and fan blades. The fan mounting plate is placed vertically along the direction of gravity, and the connectors protrude horizontally from one side of the fan mounting plate. The motor shaft is connected to the connecting shaft via a coupling, the fan blades are mounted on the connecting shaft, the motor is mounted on the fan mounting plate, and the connectors horizontally connect the fan mounting plate and the connecting shaft.

[0048] In the aforementioned structure, the weight of the motor, connecting shaft, and fan blades is borne by the fan mounting plate. The higher the motor speed, the greater the rotational inertia of the fan blades. Insufficient structural strength of the fan mounting plate can easily cause it to wobble, leading to abnormal vibration and noise. Furthermore, the connector is a cantilever assembly. The end of the connector facing away from the fan mounting plate is connected to the connecting shaft and subjected to the downward vertical force generated by the connecting shaft and fan blades, making it prone to deformation and structural failure.

[0049] To address the aforementioned issues, one or more embodiments of this application provide a fan assembly 100 that distributes the weight of the motor 13, connecting shaft 141, and fan blade 11 to the first support 10 and the second support 12 via a connecting component 14, thereby reducing the vibration of the fan assembly 100 and preventing abnormal vibration and noise generation.

[0050] Specifically, please see Figure 1 The fan assembly 100 of this application includes an assembled state and a transported state. The fan assembly 100 includes a first bracket 10, a second bracket 12, a motor 13, a connecting assembly 14, and a fan blade 11. The second bracket 12 is cross-connected to the first bracket 10, and a motor bracket 121 is provided on the second bracket 12. The motor 13 is mounted on the motor bracket 121, and the motor 13 has a first motor shaft 131. The connecting assembly 14 includes a connecting shaft 141, a coupling 142, and a first mounting member 143. The connecting shaft 141 has a first end and a second end opposite to each other along its own axis. The first end is connected to the first motor shaft 131 through the coupling 142 and is coaxially arranged with the first motor shaft 131. The fan blade 11 is mounted on the connecting shaft 141. When the fan assembly 100 is in the assembled state, the second end is connected to the first bracket 10 through the first mounting member 143.

[0051] Understandably, the motor 13 is mounted on the second bracket 12 via the motor bracket 121. The first end of the connecting shaft 141 is connected to the first motor shaft 131 of the motor 13 via the coupling 142, and the second end of the connecting shaft 141 is connected to the first bracket 10 via the first mounting member 143. In this way, the weight of the connecting shaft 141, the motor 13, and the fan blade 11 is distributed to the first bracket 10 and the second bracket 12 respectively via the first mounting member 143 and the motor bracket 121. The first bracket 10 and the second bracket 12 can fully withstand the vibration generated during the operation of the fan assembly 100, thereby avoiding the generation of abnormal vibration and noise.

[0052] It should be noted that the first bracket 10 corresponds to the upper cover plate in the existing air conditioner structure, and the second bracket 12 corresponds to the fan mounting plate in the existing air conditioner structure. The upper cover plate is a sheet metal part with high structural strength in the indoor unit, which can completely spread the vibration generated by the fan assembly 100 during operation.

[0053] In addition, please see in this application. Figure 1 The second bracket 12 is placed vertically along the direction of gravity, and the first bracket 10 covers the second bracket 12 and is connected to it. The first mounting member 143 protrudes from the side of the first bracket 10 near the second bracket 12 along the direction of gravity, and the end of the first mounting member 143 facing away from the first bracket 10 is connected to the second end of the connecting shaft 141. In this way, the first mounting member 143 can bear the weight of the connecting shaft 141, the motor 13, and the fan blade 11 as a whole, and transfer the weight of the connecting shaft 141, the motor 13, and the fan blade 11 to the first bracket 10 to ensure the structural stability of the fan assembly 100.

[0054] It should be further explained that the specific assembly process of the fan assembly 100 can be divided into a first installation stage and a second installation stage. Specifically, the first installation stage includes: firstly, assembling the motor 13 onto the motor bracket 121; then, connecting the first end of the connecting shaft 141 to the first rotating shaft of the motor 13 via the coupling 142; and then assembling the fan blade 11. This completes the assembly of the motor 13, fan blade 11, coupling 142, connecting shaft 141, and second bracket 12, which corresponds to the first installation stage. The second installation stage includes: after completing the first installation stage, connecting the second section of the connecting shaft 141 to the first bracket 10 using the first mounting component 143. This completes the full assembly of the fan assembly 100.

[0055] However, between the first and second installation stages, the connecting shaft 141 lacks support and cannot independently bear the weight of the fan blade 11. After the first installation stage assembly is completed, the second bracket 12 and the components mounted on it, such as the connecting shaft 141, motor 13, and fan blade 11, are inconvenient to move and cannot be further assembled with the first bracket 10 to complete the second installation stage assembly. Based on this, this application utilizes a second mounting piece 144 to detachably connect the second section of the connecting shaft 141 to the second bracket 12. The second mounting piece 144 supports the connecting shaft 141 and the fan blade 11, so that the user can move the second bracket 12 to the first bracket 10 after the first installation stage assembly is completed. Then, the second section of the connecting shaft 141 is connected to the first bracket 10 through the first mounting piece 143. Finally, the second mounting piece 144 is removed, thus achieving the complete assembly of the fan assembly 100.

[0056] It is understood that in this application, the first installation stage corresponds to the transport state of the wind turbine, and the second installation stage corresponds to the assembly state.

[0057] In some embodiments, please refer to Figure 1 and Figure 2The connecting assembly 14 also includes a second mounting member 144, which is detachably coupled to the second bracket 12, and the end of the second mounting member 144 facing away from the second bracket 12 is configured as a lifting part 1445. When the fan assembly 100 is in a transport state, the second end is detachably coupled to the lifting part 1445.

[0058] Understandably, in the specific assembly process of the fan assembly 100, the motor 13 first needs to be assembled onto the motor bracket 121. Then, the first end of the connecting shaft 141 is connected to the first rotating shaft of the motor 13 via the coupling 142, and the fan blade 11 is installed on the fan blade 11. Next, the second mounting piece 144 is assembled onto the second bracket 12, and the second end support part 1445 of the connecting shaft 141 is attached to it. In this way, the motor 13, coupling 142, connecting shaft 141, and fan blade 11 can be stably assembled onto the second bracket 12, so that the user can move the entire assembly to the first bracket 10. After the transportation is completed, the second section of the connecting shaft 141 is connected to the first bracket 10 via the first mounting piece 143, and finally the second mounting piece 144 is removed.

[0059] Thus, the assembly of motor 13, fan blade 11, coupling 142, connecting shaft 141, and second bracket 12 is completed, which corresponds to the first installation stage. The second installation stage specifically includes: after completing the first installation stage, using the first mounting component 143 to connect the second section of connecting shaft 141 to the first bracket 10, thus completing the complete assembly of the fan assembly 100.

[0060] In some embodiments, see Figure 2 and Figure 4 The second mounting component 144 includes a mounting body 1441, a mounting base 1442, and a magnetic component 1443. One end of the mounting body 1441 is configured to form a support portion 1445, and the other end of the body is connected to the mounting base 1442. The magnetic component 1443 is fitted onto the mounting base 1442 and is used to attract the second bracket 12.

[0061] In some embodiments, see Figure 2 and Figure 4 The second mounting component 144 also includes a reinforcing member 1444, which is connected between the mounting body 1441 and the mounting base 1442. The reinforcing member 1444, the mounting body 1441 and the mounting base 1442 together form a triangular structure.

[0062] It is understandable that the connection between the reinforcement 1444, the mounting body 1441 and the mounting base 1442 has strong stability and can enhance the structural strength of the mounting body 1441, so as to better bear the weight of the connecting shaft 141 and the fan blade 11 and ensure the smooth assembly of the fan blade 11 assembly.

[0063] In some embodiments, please refer to Figure 2 and Figure 3 The second bracket 12 has a protruding limiting part 122 on one side of the motor bracket 121. The limiting part 122 abuts against the mounting seat 1442 of the second mounting member 144 to restrict the movement of the second mounting member 144 relative to the second bracket 12. In this way, the stability of the assembly between the second mounting member 144 and the second bracket 12 can be enhanced, so as to avoid the second mounting member 144 from shifting during transportation and causing the fan blade 11 to collide and be damaged.

[0064] In existing air conditioning fan assemblies, the number of fan blades affects the airflow performance. Specifically, generally, dual-blade fan assemblies are sufficient for airflow performance requirements below 5kW, while three or four-blade fan assemblies are required for 7.2kW and above. However, due to the low production efficiency of four-blade fan assemblies, they are bound to be phased out in future development trends. Therefore, this application describes three-blade fan assemblies in its embodiments.

[0065] Specifically, the typical layout of a three-blade fan assembly is as follows: the motor is a dual-shaft motor, one side of the motor's shaft is connected to a connecting shaft via a coupling, and the connecting shaft has two fan blades; the other side of the motor's shaft has one fan blade. Therefore, the connecting shaft needs to have a relatively long structural dimension to ensure the assembly of the fan blades. However, due to the length of the connecting shaft, it will wobble due to inertia during long-distance transportation, causing the fan blades to vibrate relative to the connecting shaft and resulting in fretting wear on the connecting shaft. Consequently, the product is prone to operational failure or malfunctions in the short term after sales. Furthermore, during the operation of the fan assembly, the fan blades will be affected by the wobble of the connecting shaft, resulting in abnormal vibration and noise.

[0066] In view of the above problems, in one or more embodiments of this application, please refer to Figure 1 and Figure 2 The connecting assembly 14 also includes a bearing ring 146 and a connector 145. The bearing ring 146 is movably fitted onto the connecting shaft 141 between each pair of adjacent fan blades 11. The connecting shaft 141 can be controlled to rotate relative to the bearing ring 146 about its own axis. The connector 145 connects the bearing ring 146 and the first bracket 10.

[0067] Understandably, the bearing ring 146 is made of rubber and is fitted onto the connecting shaft 141 to dampen vibrations. The bearing ring 146, together with the connecting piece 145, enhances the structural strength of the connecting shaft 141 and further distributes the weight of the connecting shaft 141 and the fan blade 11, thereby reducing abnormal vibrations and noise generated during the operation of the fan assembly 100.

[0068] In some embodiments, see Figure 1 and Figure 5 The connector 145 includes a connector 1451, a fastening part 1452, and a connector body 1453 connected between the connector 1451 and the fastening part 1452. The fastening part 1452 is used to fasten with the bearing ring 146, and the connector 1451 is used to connect with the first bracket 10.

[0069] In some embodiments, see Figure 1 and Figure 5 The connecting body 1453 has a through-hole 1454 at one end near the fastening part 1452. The through-hole 1454 is used to avoid the connecting shaft 141.

[0070] Understandably, the clearance hole 1454 can prevent the connector 145 from interfering with the connecting shaft 141, so as to ensure that the connecting shaft 141 can rotate normally around its own axis relative to the connector 145, thereby ensuring the normal operation of the fan assembly 100.

[0071] In some embodiments, see Figure 1 and Figure 6 The bearing ring 146 has a through mounting hole 1461 for the connecting shaft 141 to pass through. One side surface of the bearing ring 146 protrudes along the through direction to form a fastening part 1462 that engages with the fastening part 1452.

[0072] In some embodiments, see Figure 1 and Figure 2 The motor 13 also includes a second motor shaft 132, on which a fan blade 11 is mounted.

[0073] 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.

[0074] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A fan assembly, the fan assembly comprising an assembled state and a transported state, characterized in that, The wind turbine assembly includes: First support; The second bracket is cross-connected to the first bracket, and a motor bracket is provided on the second bracket; An electric motor is mounted on the motor bracket, and the motor has a first motor shaft; A connecting assembly includes a connecting shaft, a coupling, and a first mounting component. The connecting shaft has a first end and a second end opposite to each other along its own axial direction. The first end is connected to the first motor shaft via the coupling and is coaxially arranged with the first motor shaft. The fan blades are fitted onto the connecting shaft; When the wind turbine assembly is in the assembled state, the second end is connected to the first bracket through the first mounting component.

2. The wind turbine assembly according to claim 1, characterized in that, The connecting assembly further includes a second mounting member, which is detachably coupled to the second bracket, and the end of the second mounting member facing away from the second bracket is configured as a support portion; When the fan assembly is in the transport state, the second end is detachably connected to the lifting part.

3. The wind turbine assembly according to claim 2, characterized in that, The second mounting component includes a mounting body, a mounting base, and a magnetic component. One end of the mounting body is configured to form the lifting part, and the other end of the body is connected to the mounting base. The magnetic component is fitted onto the mounting base and is used to attract the second bracket.

4. The wind turbine assembly according to claim 3, characterized in that, The second mounting component also includes a reinforcing member, which is connected between the mounting body and the mounting base. The reinforcing member, the mounting body, and the mounting base together form a triangular structure.

5. The wind turbine assembly according to claim 1, characterized in that, The connecting assembly further includes a bearing ring and a connector. The bearing ring is movably fitted onto the connecting shaft between each pair of adjacent fan blades. The connecting shaft can be controlled to rotate relative to the bearing ring around its own axis. The connector is connected between the bearing ring and the first bracket.

6. The wind turbine assembly according to claim 5, characterized in that, The connector includes a connecting seat, a fastening part, and a connecting body connecting the connecting seat and the fastening part. The fastening part is used to fasten with the bearing rubber ring, and the connecting seat is used to connect with the first bracket.

7. The wind turbine assembly according to claim 6, characterized in that, The connecting body has a through-hole at one end near the fastening part, and the through-hole is used to avoid obstructing the connecting shaft.

8. The wind turbine assembly according to claim 6, characterized in that, The bearing ring has a through mounting hole for the connecting shaft to pass through; one side surface of the bearing ring along the through direction protrudes to form a fastening part that engages with the fastening part.

9. The wind turbine assembly according to any one of claims 1 to 8, characterized in that, The motor also includes a second motor shaft, on which one of the fan blades is mounted.

10. An air conditioner, characterized in that, Includes the wind turbine assembly as described in any one of claims 1 to 9.

Images