Vibration absorption motor for clothes treatment equipment and clothes treatment equipment
By employing a combination structure of fixed layer, elastic layer, mass layer and damping layer in the garment processing equipment, combined with an inertia disk, the vibration and noise problem of fixed frequency motors is solved, achieving better vibration absorption and noise reduction effects, and improving equipment stability and user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2026-03-10
AI Technical Summary
Existing fixed-frequency motors generate vibration and noise during operation, especially noticeable low-frequency noise at the second harmonic of the power frequency, which existing vibration absorption devices cannot effectively reduce.
A vibration-absorbing motor is adopted, comprising a combination structure of a fixed layer, an elastic layer, a mass layer and a damping layer. It is connected to the motor by an inclined setting and combined with an inertia disk to absorb and dissipate the vibration energy of the motor, thereby reducing motor vibration and noise.
It effectively reduces the vibration and low-frequency noise of the fixed-frequency motor, improves the stability of the garment processing equipment and the user experience, and provides better vibration absorption and noise reduction effects.
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Figure CN121643340A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the field of household appliances, and particularly relates to a vibration-absorbing motor for a clothes processing device and the clothes processing device. BACKGROUND
[0002] With the development of science and technology, the progress of society, and the entry of more new household appliances into the homes of the people and the promotion of the quality of life, the use of clothes dryers brings convenience to life. The clothes dryer uses electric heating to evaporate and dry the moisture of washed clothes instantly, and can not be affected by the weather, thus bringing a lot of convenience to life.
[0003] However, during use, the motor has a certain noise due to its own vibration. The existing fixed-frequency motor has a vibration-absorbing assembly composed of multiple vibration-absorbing pieces. The vibration of the motor body is transmitted to the vibration-absorbing assembly connected to the motor body, thereby causing the vibration of the vibration-absorbing pieces. The vibration direction of the vibration-absorbing pieces is opposite to the vibration direction of the motor body, so as to offset the vibration of the motor body, thereby realizing the vibration-absorbing effect of the motor body.
[0004] However, the existing fixed-frequency motor has a large vibration at the double frequency of the power frequency, which causes the clothes dryer to have obvious low-frequency noise at this frequency. The existing vibration-absorbing device cannot meet the higher frequency in terms of vibration-absorbing effect.
[0005] Therefore, the present application is proposed. SUMMARY
[0006] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art and provide a vibration-absorbing motor for a clothes processing device and the clothes processing device, which reduces the vibration generated by the operation of the fixed-frequency motor and improves the low-frequency noise of the clothes processing device.
[0007] To solve the above technical problems, the basic idea of the technical solution of the present application is as follows: A vibration-absorbing motor for a clothes processing device, comprising a motor; a vibration-absorbing device connected to the motor; The vibration-absorbing device comprises a fixed layer, at least one elastic layer, at least one mass layer, and at least one damping layer for absorbing vibration energy. The fixed layer is connected to the motor, and the elastic layer, mass layer, and damping layer are distributed in any order from the inside to the outside of the outer periphery of the fixed layer. The damping layer is connected to one or two of the elastic layer and the mass layer.
[0008] Further, the elastic layer is connected between the fixed layer and the mass layer, and the damping layer is connected on the outside of the mass layer, for absorbing and consuming the vibration energy of the mass layer.
[0009] Further, the damping layer is located on the outside of the vibration absorbing motor.
[0010] Further, the vibration absorbing device is obliquely arranged on the motor, and an axis of the vibration absorbing device is arranged at an angle with respect to an axis of a rotating shaft of the motor. Preferably, the axis of the vibration absorbing device is arranged at an angle with respect to any plane in which the axis of the rotating shaft of the motor is located. Further preferably, the angle ranges from 60° to 70°. More preferably, the angle is 65°.
[0011] Further, the motor housing is provided with a mounting table for mounting the vibration absorbing device. Preferably, the mounting table is obliquely arranged on the motor housing. Further preferably, a plane of the mounting table is arranged at an angle with respect to the axis of the vibration absorbing device. More preferably, the angle ranges from 85° to 95°. Further preferably, the angle is 90°.
[0012] Further, the inertia disc is coaxially connected to the motor. Preferably, the inertia disc is arranged at one end of the motor rotating shaft along the axial direction, and the vibration absorbing device is arranged at the other end close to the motor along the axial direction of the rotating shaft. Further preferably, the vibration absorbing device is arranged at one end close to the motor rotating shaft outputting power.
[0013] Further, the vibration absorbing device is obliquely arranged towards the inertia disc.
[0014] Further, the mass of the mass layer is 5% to 35% of the total mass of the motor. Preferably, the mass of the mass layer is 10% to 30% of the total mass of the motor.
[0015] Further, the elastic layer is a material with elasticity, and the elastic hardness is 34HB to 46HB. Preferably, the elastic hardness is 40HB.
[0016] A clothes treatment apparatus includes the vibration absorbing motor according to any one of the above.
[0017] Compared with the prior art, the present application has the following beneficial effects: 1. The vibration absorbing device connected to the motor, the fixed layer of the vibration absorbing device connected to the motor, the vibration absorbing device absorbing the vibration and energy of the motor through the damping layer, reducing the vibration of the fixed frequency motor itself, improving the low frequency noise quality of the clothes treatment apparatus, and improving the user experience.
[0018] 2、The vibration absorbing device is arranged obliquely on the motor, better absorbing the vibration of the motor, improving the stability of the clothes treatment equipment, thereby providing better vibration absorbing and noise reducing effect, and further adjusting the range of the oblique angle to obtain the optimal oblique angle and maximize the absorption of the vibration of the motor.
[0019] 3、The mounting table of the shell is connected with the fixed layer of the vibration absorbing motor, and the plane of the mounting table is adjusted at a certain angle with the axis of the vibration absorbing device, so that the vibration absorbing and noise reducing effect is better achieved.
[0020] 4The inertia disc is coaxially connected on the motor, the inertia disc balances the moment of inertia during the operation of the motor, reduces the vibration of the motor itself, and the vibration absorbing device is further inclined to the direction of the inertia disc, thereby further enhancing the vibration absorbing effect and reducing the vibration and noise of the motor.
[0021] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0022] The drawings are part of the present application and serve to provide a further understanding of the present application, the schematic embodiments of the present application and the description thereof serve to explain the present application, but do not constitute an improper limitation on the present application. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings: Figure 1 is a schematic view of the vibration absorbing motor of the clothes treatment device of the present application; Figure 2 is a schematic view of the vibration absorbing device in the present application; Figure 1 Figure 3 is an exploded schematic view of the vibration absorbing device in the present application; Figure 1 Figure 4 is a schematic view of another vibration absorbing device of the present application; Figure 5 is a sectional view of the vibration absorbing device of the present application. Figure 4
[0023] In the drawings: 1, motor; 11, shell; 12, mounting table; 2, vibration absorbing device; 21, fixed layer; 22, elastic layer; 23, mass layer; 24, damping layer; 3, inertia disc.
[0024] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0026] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention 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. Therefore, they should not be construed as limiting this invention.
[0027] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0028] like Figures 1 to 5 As shown, the present invention provides a vibration-absorbing motor for a garment processing device, comprising a motor 1; a vibration-absorbing device 2 connected to the motor 1; and an inertia disk 3 coaxially connected to the motor 1. The vibration damping device 2 includes: a fixed layer 21, at least one elastic layer 22 and at least one mass layer 23. The fixed layer 21 is connected to the motor 1. The elastic layer 22 and the mass layer 23 are connected. One of the elastic layer 22 and the mass layer 23 is connected to the fixed layer 21.
[0029] Specifically, the fixing layer 21 of the vibration absorbing device 2 is fixedly connected with the motor 1, the elastic layer 22 is connected outside the fixing layer 21, the mass layer 23 is connected outside the elastic layer 22, the inertia disc 3 is fixedly connected with the rotating shaft of the motor 1, the rotating inertia of the motor 1 during operation is balanced, the vibration of the motor 1 itself is reduced, the elastic layer 22 and the mass layer 23 form a vibration absorbing system, the rotation of the motor 1 itself is transmitted to the elastic layer 22 through the fixing layer 21, and then transmitted to the mass layer 23 from the elastic layer 22, so as to cause the vibration of the mass layer 23, so that the elastic layer 22 is compressed or stretched, and then the mass layer 23 is reset through the elastic force of the elastic layer 22, forming the reciprocating vibration of the mass layer 23, so that the vibration energy is consumed, a better vibration reduction effect is achieved, the vibration is absorbed, in this embodiment, the fixing layer 21, the elastic layer 22 and the mass layer 23 are coaxially arranged, and the elastic layer 22 and the mass layer 23 can be provided in plurality and cross arranged, so as to absorb the vibration of the motor 1 and achieve the vibration absorbing effect.
[0030] In further embodiments, the vibration absorbing device 2 comprises a damping layer 24 for absorbing vibration energy, and the damping layer 24 is connected with one or two of the fixing layer 21, the elastic layer 22 and the mass layer 23.
[0031] Specifically, the fixing layer 21 is connected with the motor 1, the elastic layer 22 is connected outside the fixing layer 21, the mass layer 23 is connected outside the elastic layer 22, and the damping layer 24 is connected outside the mass layer 23, in one embodiment, the elastic layer 22, the mass layer 23 and the damping layer 24 can be provided in plurality, in another embodiment, the plurality of elastic layers 22, mass layers 23 and damping layers 24 can be cross arranged, for example, an elastic layer 22 is connected with a mass layer 23 outside, the outside of the mass layer 23 can be connected with an elastic layer 22, the outside of the elastic layer 22 can be connected with a mass layer 23, and the outside of the mass layer 23 can be connected with a damping layer 24, only this example is not the only embodiment, similar embodiments are also within the protection scope of the present application, in another embodiment, the connection order of the elastic layer 22, the mass layer 23 and the damping layer 24 is not fixed, and can be arranged at will, in a preferred embodiment, the elastic layer 22, the mass layer 23 and the damping layer 24 are each provided in one layer, and the installation order is in turn the elastic layer 22, the mass layer 23 and the damping layer 24.
[0032] In further embodiments, the vibration absorbing device 2 is arranged obliquely on the motor 1, and the axis of the vibration absorbing device 2 is arranged at an angle with the rotating shaft axis of the motor 1, so as to better absorb the vibration energy of the motor 1 and reduce the vibration of the motor 1.
[0033] Specifically, the vibration absorbing device 2 is obliquely connected to the motor 1, and the axis of the vibration absorbing device 2 is arranged at an angle with the axis of the rotating shaft of the motor 1, and the angle range of the oblique angle is 60°-70°; in a preferred embodiment, the angle between the axis of the vibration absorbing device 2 and the axis of the rotating shaft of the motor 1 is 65°; in another embodiment, the axis of the vibration absorbing device 2 is arranged at an angle with any plane in which the axis of the rotating shaft of the motor 1 lies; a three-dimensional coordinate system is established with the axis of the motor 1 as the X axis, the Y axis is in the same plane as the X axis and is perpendicular to the X axis, and the Z axis is perpendicular to the plane formed by the Y axis and the X axis; in one embodiment, the axis of the vibration absorbing device 2 lies in the plane formed by the X axis and the Y axis, and the angle between the axis of the vibration absorbing device 2 and the X axis ranges from 60° to 70°, and in a preferred embodiment, the angle is 65°; in another embodiment, the axis of the vibration absorbing device 2 does not lie in any plane in which the axis of the motor 1 lies, the axis of the vibration absorbing device 2 is mapped on the plane formed by the X axis and the Z axis at a certain angle with the X axis, and the axis of the vibration absorbing device 2 is mapped on the plane formed by the X axis and the Y axis at a certain angle with the X axis, so that the vibration absorbing device 2 is obliquely offset in space.
[0034] In a further embodiment, the housing 11 of the motor 1 is provided with a mounting table 12 for mounting the vibration absorbing device 2, and the plane of the mounting table 12 is arranged at an angle with the axis of the vibration absorbing device 2.
[0035] Specifically, the mounting table 12 is fixedly connected to the housing 11, and the plane of the mounting table 12 is obliquely arranged on the housing 11, and the vibration absorbing device 2 is fixedly connected to the mounting table 12, and the fixed layer 21 of the vibration absorbing device 2 is connected to the mounting table 12, and the fixed layer 21 is in a cylindrical shape and is divided into two sections with different diameters, the first diameter section has a diameter of 7.5 mm and a length of 44 mm, and the second diameter section has a diameter of 5.5 mm and a length of 11 mm, and the second diameter section is in a fine thread structure and is fixedly connected to the mounting hole provided in the mounting table 12, and the axis of the fixed layer 21 is the axis of the vibration absorbing device 2, and the axis of the vibration absorbing device 2 is at a certain angle with the plane of the mounting table 12, and the angle range is 85°-95°, and in a preferred embodiment, the angle between the axis of the vibration absorbing device 2 and the plane of the mounting table 12 is fixedly installed at 90°.
[0036] In a further embodiment, the vibration absorbing motor further comprises an inertia disc 3, and the inertia disc 3 is coaxially connected to the motor 1.
[0037] Specifically, the inertia disc 3 is connected to one end of the rotating shaft of the motor 1, and the vibration absorbing device 2 is arranged at the other end of the motor 1 along the rotating shaft, so that the inertia disc 3 and the vibration absorbing device 2 are arranged at or near the two ends of the motor 1, respectively, and the vibration and noise generated by the motor 1 can be reduced more easily by the cooperation of the vibration absorbing device 2 and the inertia disc 3. In a preferred embodiment, the inertia disc 3 is arranged at the end of the motor 1 away from the rotating shaft output power along the axis, and the vibration absorbing device 2 is arranged at the end of the rotating shaft output power, so that the inertia disc 3 can balance the rotational inertia of the motor during operation more easily, and the vibration of the motor itself can be reduced. In another embodiment, the vibration absorbing device 2 is arranged obliquely towards the inertia disc 3, and the vibration and noise generated by the motor 1 can be reduced by the cooperation of the vibration absorbing device 2 and the inertia disc 3.
[0038] In a further embodiment, the mass of the mass layer 23 is 5%-35% of the total mass of the motor 1. Within this mass ratio range, in combination with the structure and mounting structure of the vibration absorbing device 2, the vibration and noise generated by the motor 1 can be reduced more easily. In a preferred embodiment, the mass of the mass layer 23 is 10%-30% of the total mass of the motor 1.
[0039] In a further embodiment, the elastic layer 22 is a material with elasticity, or any structure with elasticity such as a spring. The hardness of the elastic material used is in the range of 34HB-46HB. Within this hardness range, the resonance system formed by the elastic layer 22 and the mass layer 23 can more easily absorb the vibration of the motor, thereby reducing the vibration and noise. In a preferred embodiment, the hardness of the elastic material is 40HB.
[0040] As shown in Figures 2 to 5 In the above embodiments, the fixing layer 21, the elastic layer 22, the mass layer 23 and the damping layer 24 of the vibration absorbing device 2 are not limited to the shape of the structure, and can also be a parallel stacked layer structure, a cantilever beam structure or other similar structures. The installation order of each layer is also not limited to the order of the fixing layer 21, the elastic layer 22, the mass layer 23 and the damping layer 24, and the elastic layer 22, the mass layer 23 and the damping layer 24 can be in other combination orders. The number of layers used for each layer is not limited to one layer, and one or more layers of a certain type can be designed as multiple layers. The vibration absorbing device 2 is not limited to being mounted on the shell 11, but can also be inside the shell 11 or other positions. The vibration absorbing device 2 is not limited to the installation method of screw threads and screw holes, but can also be welded or casted with the motor, or other installation methods. The natural frequency of the vibration absorbing device 2 matches the vibration frequency at which the motor vibrates most.
[0041] Specifically, as shown in Figure 2 and Figure 3As shown, the shape of the fixing layer 21, the elastic layer 22, the mass layer 23 and the damping layer 24 of the vibration absorbing device 2 can be cylindrical and / or circular cylindrical structure, the fixing layer 21 is cylindrical, which is divided into two sections with different diameters, one end is provided with a fine thread structure, and the outer periphery of the other end is sleeved with a circular cylindrical elastic layer 22, the inner diameter of the elastic layer 22 is 7.5mm, the outer diameter is 16mm, and the length is 22mm, which is injection molded with the fixing layer 21 by vulcanization process, a circular cylindrical mass layer 23 is sleeved on the outer periphery of the elastic layer 22, the inner diameter of the mass layer 23 is 40mm, the outer diameter is 44mm, and the length is 38mm, which is injection molded with the elastic layer 22 by vulcanization process, and the material of the mass layer 23 is preferably stainless steel, a circular cylindrical damping layer 24 is sleeved on the outer periphery of the mass layer 23, the inner diameter of the damping layer 24 is 40mm, the outer diameter is 44mm, and the length is 38mm, which is used for absorbing and consuming the vibration energy of the mass layer 23, and the material of the damping layer 24 also has a certain elasticity, such as butyl synthetic rubber and other elastic materials; As Figure 4 and Figure 5 As shown, the mass layer 23 can also be a spherical structure, and the damping layer 24 corresponds to the shape of the mass layer 23, which is circular or spherical, and the above is only an example of the shape of the vibration absorbing device 2, and is not the only embodiment, and other shapes that can meet the requirements are also within the protection scope of the present application.
[0042] The present application also discloses a clothes treatment device, which comprises the vibration absorbing device 2 described in the above embodiments, the motor has a shell 11, a motor shaft and a rotating shaft for transmitting power, the rotating shaft is connected with the shell 11, and the vibration absorbing device 2 is fixedly installed at different positions of the motor, such as the inside of the motor or any position of the shell 11, and meets the setting modes described in the above embodiments.
[0043] The above is only the preferred embodiment of the present application, and does not limit the present application in any form, although the present application has been disclosed as above, however, it is not intended to limit the present application, any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution range of the present application, and equivalent embodiments with equivalent changes are equivalent, the embodiments in the above embodiments can be further combined or replaced, as long as they do not deviate from the technical solution of the present application, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the present application.
Claims
1. A vibration-absorbing motor for a laundry treating apparatus, characterized by: The utility model relates to a vibration absorbing motor, comprising a motor (1); a vibration absorbing device (2) connected with the motor (1); the vibration absorbing device (2) comprises a fixed layer (21), at least one elastic layer (22), at least one mass layer (23) and at least one damping layer (24) for absorbing vibration energy; the fixed layer (21) is connected with the motor (1), and the elastic layer (22), the mass layer (23) and the damping layer (24) are distributed in any order from inside to outside on the outer periphery of the fixed layer (21); the damping layer (24) is connected with one or both of the elastic layer (22) and the mass layer (23).
2. The vibration absorbing motor for a laundry treating apparatus as claimed in claim 1, wherein: the elastic layer (22) is connected between the fixed layer (21) and the mass layer (23), and the damping layer (24) is connected on the outer side of the mass layer (23) for absorbing and consuming the vibration energy of the mass layer (23).
3. The vibration absorbing motor of claim 2, wherein: the damping layer (24) is on the outer side of the vibration absorbing motor (2).
4. The vibration absorbing motor for a laundry treating apparatus as claimed in any one of claims 1 to 3, wherein: the vibration absorbing device (2) is obliquely arranged on the motor (1), and the axis of the vibration absorbing device (2) is arranged at an angle with the axis of the rotating shaft of the motor (1); preferably, the axis of the vibration absorbing device (2) is arranged at an angle with any plane in which the axis of the rotating shaft of the motor (1) lies; more preferably, the angle ranges from 60° to 70°; more preferably, the angle is 65°.
5. The vibration absorbing motor for a laundry treating apparatus as claimed in any one of claims 1 to 4, wherein: an installation table (12) for mounting the vibration absorbing device (2) is arranged on the shell (11) of the motor (1); preferably, the installation table (12) is obliquely arranged on the shell (11) of the motor (1); more preferably, the plane of the installation table (12) is arranged at an angle with the axis of the vibration absorbing device (2); more preferably, the angle ranges from 85° to 95°; more preferably, the angle is 90°.
6. The vibration absorbing motor for a laundry treating apparatus as claimed in any one of claims 1 to 5, wherein: an inertia disc (3) is coaxially connected with the motor (1); preferably, the inertia disc (3) is arranged at one end of the motor (1) along the axial direction, and the vibration absorbing device (2) is arranged at the other end close to the motor (1) along the axial direction of the rotating shaft; more preferably, the vibration absorbing device (2) is arranged at one end close to the motor (1) for outputting power.
7. The vibration absorbing motor of claim 6, wherein: the vibration absorbing device (2) is obliquely arranged towards the inertia disc (3).
8. The vibration absorbing motor for a laundry treating apparatus as claimed in any one of claims 1 to 7, wherein: the mass of the mass layer (23) is 5% to 35% of the total mass of the motor (1); preferably, the mass of the mass layer (23) is 10% to 30% of the total mass of the motor (1).
9. The vibration absorbing motor for a laundry treating apparatus as claimed in any one of claims 1 to 8, wherein: the elastic layer (22) is a material with elasticity, and the elastic hardness is 34HB to 46HB; preferably, the elastic hardness is 40HB. 10.A laundry treating apparatus, characterized by: a vibration absorbing motor comprising any one of the vibration absorbing motors in claims 1 to 9.