Noise reduction device of dust cleaner

Abstract

The invention discloses a noise reduction device of a dust cleaner. The noise reduction device comprises a motor, a motor inner cover, a motor inner cover holder, a motor front cover, a motor rear cover and a porous sound absorbing cover, wherein the motor inner cover is arranged outside the front end of the motor in a sleeving manner, and a motor anti-vibration ring is arranged between the motor and the motor inner cover; the motor inner cover holder is arranged outside the rear end of the motor in a sleeving manner, and a motor pressing seat is arranged between the motor and the motor inner cover holder; the motor inner cover is sleeved with the motor front cover, and a front inner cover anti-vibration ring is arranged between the motor inner cover and the motor front cover; the motor inner cover holder is sleeved with the motor rear cover, and a rear inner cover anti-vibration ring is arranged between the motor inner cover holder and the motor rear cover; the motor inner cover holder is sleeved with the porous sound absorbing cover, and the porous sound absorbing cover is arranged in the motor rear cover. The noise reduction device reduces noise of the dust cleaner in a use process while maintaining the performance of the dust cleaner and prolonging the service life of the motor, so that a consumer is not troubled by noise of the dust cleaner, and the comfort level of the consumer is increased.

Description

technical field [0001] The invention relates to the technical field of noise reduction for vacuum cleaners, in particular to a noise reduction device for vacuum cleaners. Background technique [0002] The motor noise reduction method of the vacuum cleaner in the prior art is to wrap a layer of sound-absorbing cotton on the outside of the motor and then cover it with a layer of outer cover, and the air from the motor is directly discharged from the rear side. Wind noise cannot be greatly reduced. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the object of the present invention is to provide a noise reduction device for a vacuum cleaner, which reduces the noise during the use of the vacuum cleaner while maintaining the performance of the vacuum cleaner and prolonging the life of the motor, so that consumers are not affected by the noise. The noise of the vacuum cleaner is bothering, increasing the comfort of the user. [0004] In order to ...

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Problems solved by technology

[0002] The motor noise reduction method of the vacuum cleaner in the prior art is to wrap a layer of sound-absorbing cotton on the outside of the motor and then cover it with a layer of outer cover, and the air from the motor is directly discharged from the rear side. Wind noise is not able to be drastically reduced

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