CN213717757U

CN213717757U - Motor vibration/noise reduction structure

Info

Publication number: CN213717757U
Application number: CN202022168548.0U
Authority: CN
Inventors: 罗家胜; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-16
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a motor vibration/noise reduction structure for the fan, including motor, fixed bolster, damper, the fixed bolster with wind cabinet subassembly in the fan is connected, the motor sets up on the fixed bolster, damper is located between motor and the fixed bolster for carry out the shock attenuation and fall the processing of making an uproar to the motor. The damping assembly is arranged between the fixed support and the motor, so that in the process of transportation or work, the vibration of the motor can be effectively prevented from being transmitted to the fixed support and the air cabinet assembly, the noise of the motor during work is reduced, and the quality and the user experience of a product applying the motor damping and noise reducing structure are improved; furthermore, the utility model discloses simple structure, cost of manufacture are low, application range is wide, are worth wideling popularize the use.

Description

Motor vibration/noise reduction structure

Technical Field

The utility model belongs to the technical field of range hood, concretely relates to motor vibration/noise reduction structure.

Background

The fixed knot of motor constructs among current range hood generally all sets up in wind cabinet subassembly hypoplastron department, comprises four supports or three supports, adopts above-mentioned structure fixed motor after, when range hood in the in-process of transportation or work, the motor often has vibrations and the big phenomenon of noise.

In order to prevent the vibrations of range hood motor and reduce the motor noise, adopt some shock mitigation systems among the prior art to solve motor vibrations and the big problem of noise, but this kind of shock mitigation system's vibration/noise reduction effect is very unsatisfactory to the vibrations that the motor brought the motor fixed bolster are big, and in addition, motor vibrations can transmit on the wind cabinet subassembly, make the phenomenon that takes place abnormal sound and noise increase.

SUMMERY OF THE UTILITY MODEL

In view of this, the main object of the present invention is to provide a vibration/noise reduction structure for a motor, which solves the problem of vibration and noise of the motor easily occurring during the operation or transportation process in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this: the utility model provides a motor vibration/noise reduction structure for the fan, includes motor, fixed bolster, damper, the fixed bolster with wind cabinet subassembly in the fan is connected, the motor sets up on the fixed bolster, damper is located between motor and the fixed bolster for carry out the shock attenuation and fall the processing of making an uproar to the motor.

Preferably, damper assembly includes one-level shock attenuation unit, second grade shock attenuation unit, one-level shock attenuation unit, second grade shock attenuation unit pile up and set up between motor and fixed bolster, just one-level shock attenuation unit is close to the motor setting.

Preferably, the primary damping unit is a first rubber pad with Shore A hardness of 45-55 degrees; the secondary damping unit is a second rubber pad with Shore A hardness of 55-60 degrees.

Preferably, the motor is provided with a U-shaped groove, and the first rubber pad is positioned in the U-shaped groove.

Preferably, the U-shaped groove sets up two at least, the number that sets up of first rubber pad and the number that sets up of second rubber pad all with the number phase-match that sets up of U-shaped groove.

Preferably, the first rubber pad is dumbbell-shaped, and the inner wall of the U-shaped groove extends horizontally inwards to be provided with a convex part, and the convex part is positioned at a concave part on the first rubber pad.

Preferably, the shock absorption assembly further comprises a superelastic alloy bracket, and the superelastic alloy bracket is located between the first rubber pad and the second rubber pad.

Preferably, the superelastic alloy support is annular.

Preferably, the superelastic alloy stent is made of a memory alloy material.

Preferably, the motor vibration/noise reduction structure further comprises a limiting fixing assembly, the number of the limiting fixing assembly is matched with the number of the U-shaped grooves, and the first rubber pad, the superelastic alloy support and the second rubber pad are fixed on the fixing support sequentially through the limiting fixing assembly.

Preferably, spacing fixed subassembly is spacing set screw, spacing set screw includes the nut, the screw rod of being connected with the nut, set gradually the first spacing section that is used for restricting first rubber pad on the screw rod, be used for restricting the spacing section of second of super elastic alloy support, be used for restricting spacing section of third and the screw thread section of second rubber pad, the screw thread section is located one side of keeping away from the nut on the screw rod.

The second technical scheme of the utility model is realized like this: a fan is used for a range hood and comprises the motor damping and noise reducing structure.

The third technical scheme of the utility model is realized like this: a range hood comprises a range hood body and the fan, wherein the fan is arranged in the range hood body.

Compared with the prior art, the damping assembly is arranged between the fixed support and the motor, so that in the process of transportation or work, the vibration of the motor can be effectively prevented from being transmitted to the fixed support and the air cabinet assembly, the noise of the motor during work is reduced, and the quality and the user experience of a product applying the motor damping and noise reducing structure are improved; furthermore, the utility model discloses simple structure, cost of manufacture are low, application range is wide, are worth wideling popularize the use.

Drawings

Fig. 1 is a schematic perspective view of a shock absorbing and noise reducing structure of a motor provided in embodiment 1 of the present invention;

fig. 2 is an exploded view of a shock absorbing and noise reducing structure of a motor provided in embodiment 1 of the present invention;

fig. 3 is a cross-sectional view of a shock absorbing and noise reducing structure of a motor provided in embodiment 1 of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural view of a U-shaped groove in a shock-absorbing noise-reducing structure of a motor according to embodiment 1 of the present invention;

fig. 6 is a schematic structural diagram of a first rubber pad in a shock-absorbing and noise-reducing structure of a motor provided in embodiment 1 of the present invention;

fig. 7 is a schematic structural diagram of a limiting fixing screw in a shock absorbing and noise reducing structure of a motor provided in embodiment 1 of the present invention.

In the figure, 1, a motor, 11, a U-shaped groove, 111, a boss, 2, a fixed bracket, 3, a damping component, 31, a first rubber pad, 32, a second rubber pad, 33, a superelastic alloy bracket, 4, a wind cabinet component, 5, a limiting fixing screw, 511, a first limiting section, 512, a second limiting section, 513, a third limiting section, 514, a thread section,

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be clear that the terms "vertical", "horizontal", "longitudinal", "front", "rear", "left", "right", "up", "down", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or element referred to must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The embodiment 1 of the utility model provides a motor vibration/noise reduction structure for the fan, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, including motor 1, fixed bolster 2, damper 3, fixed bolster 2 is connected with wind cabinet subassembly 4 in the fan, and motor 1 sets up on fixed bolster 2, damper 3 is located between motor 1 and the fixed bolster 2 for carry out the shock attenuation and fall the processing of making an uproar to motor 1.

After adopting above-mentioned scheme, through set up damper 3 between fixed bolster 2 and motor 1 for in-process in transportation or work, not only can effectually avoid on motor vibrations transmit fixed bolster 2 and wind cabinet subassembly 4, also reduced the noise of motor during operation moreover, also improved the quality and the user experience sense of the product of using this motor vibration/noise reduction structure simultaneously.

Further, as shown in fig. 4, the damping component 3 includes a first-level damping unit and a second-level damping unit, the first-level damping unit and the second-level damping unit are stacked between the motor 1 and the fixing bracket 2, and the first-level damping unit is disposed near the motor 1.

Through setting gradually one-level shock attenuation unit and second grade shock attenuation unit between motor 1 and fixed bolster 2 for in-process in transportation or work, when motor 1 takes place vibrations, can realize adopting one-level shock attenuation unit earlier to alleviate motor vibrations, adopt second grade shock attenuation unit further to alleviate motor vibrations again, avoid motor 1 vibrations to transmit on fixed bolster 2 and wind cabinet subassembly 4, thereby thorough effect that reaches vibration/noise reduction.

Further, the primary damping unit is a first rubber pad 31 with Shore A hardness of 45-55 degrees; the secondary damping unit is a second rubber pad 32 with Shore A hardness of 55-60 degrees.

Through adopting shorea A hardness to be 45 ~ 55 degrees (preferably 50 degrees) first rubber pad 31 and shorea A hardness to be 55 ~ 65 degrees (preferably 60 degrees) second rubber pad 32, make motor 1 at the in-process of transportation or work, because the hardness of first rubber pad 31 is little than the hardness of second rubber pad 32, first rubber pad 31 is compression deformation at first, second rubber pad 32 takes place deformation again, this moment, the transportation or fall the impact force significantly reduced that receives, the deflection of second rubber pad 32 also significantly reduces, thereby avoid fixed bolster 2 and wind cabinet to take place the problem of serious deformation in shaking to fall.

Further, as shown in fig. 5, the motor 1 is provided with a U-shaped groove 11, and the first rubber pad 31 is located in the U-shaped groove 11.

Further, U-shaped groove 11 sets up two at least, and the number that sets up of first rubber pad 31 and the number that sets up of second rubber pad 32 all matches with the number that sets up of U-shaped groove 11.

Further, as shown in fig. 6, the first rubber pad 31 is dumbbell-shaped, a protrusion 111 is horizontally and inwardly arranged on the inner wall of the U-shaped groove 11, and the protrusion 111 is located at a recess (i.e. marked as a in the drawing) on the first rubber pad 31; this enables the first rubber pad 31 to be more stably disposed in the U-shaped groove 11, thereby better mitigating the motor vibration.

Further, as shown in fig. 2, the second rubber pad 32 is a cylindrical rubber pad,

the first rubber pad 31 and the second rubber pad 32 may be rubber pads of other shapes, and are not limited to the two shapes, and the specific shapes are determined according to actual conditions.

Further, as shown in fig. 2 and 4, the damping assembly 3 further includes a superelastic alloy bracket 33, and the superelastic alloy bracket 33 is located between the first rubber pad 31 and the second rubber pad 32, wherein the superelastic alloy bracket is annular.

Further, the superelastic alloy support 32 is made of a memory alloy material.

By arranging the superelastic alloy bracket 33 made of a memory alloy material between the first rubber pad 31 and the second rubber pad 32, the superelastic alloy bracket 32 slightly deforms in the working or transporting process of the motor, and the original shape is restored after the vibration falls, so that the problem of noise increase is avoided; the memory alloy can be an alloy consisting of Fe-34Mn-13.5Al-3Cr-7.5Ni, and the alloy has stress dependence with unchanged temperature between 10 and 400K, so that the mechanical property of the superelastic alloy support 32 is prevented from being influenced by the temperature rise of the motor, and the stability of the shock absorption and noise reduction structure is ensured.

Further, as shown in fig. 1 and 3, the motor vibration/noise reduction structure further includes limiting and fixing assemblies, the number of the limiting and fixing assemblies is matched with the number of the U-shaped grooves 1, and the first rubber pad 31, the superelastic alloy support 33, and the second rubber pad 32 are fixed on the fixing support 2 sequentially through the limiting and fixing assemblies.

Further, as shown in fig. 7, the limiting fixing component is a limiting fixing screw 5, the limiting fixing screw 5 includes a nut 51 and a screw 52 connected to the nut 51, a first limiting section 521 for limiting the first rubber pad 31, a second limiting section 522 for limiting the superelastic alloy support 33, a third limiting section 523 for limiting the second rubber pad 32, and a threaded section 524 are sequentially disposed on the screw 52, and the threaded section 524 is located on one side of the screw 52 far from the nut 51.

Example 2

The embodiment 2 of the utility model provides a fan for range hood, including embodiment 1 in motor vibration/noise reduction structure.

Through using the motor vibration/noise reduction structure in embodiment 1 in the existing fan body, the fan can effectively avoid the vibration of the motor 1 from being transmitted to the fixed support 2 and the fan cabinet component 4 in the working or transporting process, and effectively reduce the noise of the fan during operation, thereby improving the quality and the user experience of the fan using the motor vibration/noise reduction structure.

Example 3

The embodiment 3 of the utility model provides a range hood, including range hood body and embodiment 2 the fan, the fan setting is in range hood body.

By applying the fan in the embodiment 2 in the range hood body, the noise generated during the operation of oil smoke suction is effectively reduced, the cost performance and the stability of the whole range hood are improved, and the experience of a user is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a motor vibration/noise reduction structure for fan, its characterized in that includes motor (1), fixed bolster (2), damper (3), wind cabinet subassembly (4) in fixed bolster (2) and the fan are connected, motor (1) sets up on fixed bolster (2), damper (3) are located between motor (1) and fixed bolster (2) for carry out the shock attenuation and fall the processing of making an uproar to motor (1).

2. The motor shock absorption and noise reduction structure according to claim 1, wherein the shock absorption assembly (3) comprises a primary shock absorption unit and a secondary shock absorption unit, the primary shock absorption unit and the secondary shock absorption unit are stacked between the motor (1) and the fixed bracket (2), and the primary shock absorption unit is arranged close to the motor (1).

3. The motor shock absorption and noise reduction structure according to claim 2, wherein the primary shock absorption unit is a first rubber pad (31) with a Shore A hardness of 45-55 degrees; the secondary damping unit is a second rubber pad (32) with Shore A hardness of 55-60 degrees.

4. A shock-absorbing noise-reducing structure for motor according to claim 3, wherein said motor (1) is provided with a U-shaped groove (11), and said first rubber pad (31) is located in the U-shaped groove (11).

5. The motor shock absorption and noise reduction structure according to claim 4, wherein at least two U-shaped grooves (11) are provided, and the number of the first rubber pads (31) and the number of the second rubber pads (32) are matched with the number of the U-shaped grooves (11).

6. A shock-absorbing and noise-reducing structure for motor according to claim 5, wherein said first rubber pad (31) is dumbbell-shaped, and said U-shaped groove (11) has a protrusion (111) horizontally and inwardly arranged on the inner wall thereof, and said protrusion (111) is located in the recess of the first rubber pad (31).

7. A shock-absorbing and noise-reducing structure for electric motor according to any one of claims 3-6, characterized in that said shock-absorbing assembly (3) further comprises a superelastic alloy support (33), said superelastic alloy support (33) being located between the first rubber pad (31) and the second rubber pad (32).

8. The motor shock-absorbing and noise-reducing structure according to claim 7, wherein the superelastic alloy support (33) is made of a memory alloy material.

9. The motor shock absorption and noise reduction structure according to claim 8, further comprising limiting and fixing assemblies, wherein the number of the limiting and fixing assemblies is matched with the number of the U-shaped grooves (11), and the first rubber pad (31), the superelastic alloy support (33) and the second rubber pad (32) are fixed on the fixing support (2) sequentially through the limiting and fixing assemblies.

10. The motor shock-absorbing noise-reducing structure according to claim 9, wherein the limiting fixing component is a limiting fixing screw (5), the limiting fixing screw (5) comprises a nut (51) and a screw (52) connected with the nut (51), a first limiting section (521) for limiting the first rubber pad (31), a second limiting section (522) for limiting the superelastic alloy support (33), a third limiting section (523) for limiting the second rubber pad (32) and a threaded section (524) are sequentially arranged on the screw (52), and the threaded section (524) is located on one side of the screw (52) far away from the nut (51).