Low-noise motor casing structure with crossed flow channel of vacuum cleaner

Abstract

The invention discloses a low-noise motor casing structure with a crossed flow channel of a vacuum cleaner. The low-noise motor casing structure comprises an inner shell and an outer shell, wherein a dust collecting motor is arranged in the inner shell, the outer shell is arranged outside the inner shell at a certain spatial distance, an air inlet of the outer shell is formed in the front end of the outer shell, the crossed flow channel is formed between the outer shell and the inner shell, air outlets of the inner shell are formed in the peripheral wall of the inner shell, and air outlets of the outer shell are formed in the tail end of the outer shell. When the vacuum cleaner is operated, air flow which flows through a motor is exhausted through the two air outlets in the inner shell and propagated through the crossed flow channel, after the air flow reaches a diversion baffle, the air flow is shunted and propagated to the air outlets of the outer shell above and below the diversion baffle through diversion ribs, and finally, the air flow is exhausted. By using such a motor casing structure, the length of the flow channel for exhausting the air flow is increased and maximized within limited space, the purpose of reducing noise is realized by increasing the propagation loss of the noise, and the motor casing structure has the advantages of low cost, simplicity and easiness in realization.

Description

technical field [0001] The invention belongs to the field of electrical equipment for vacuum cleaners, and in particular relates to a low-noise motor casing structure with cross flow passages formed between the outer casing and the inner casing of the motor casing. Background technique [0002] Vacuum suction is a cleaning and sanitary appliance used to remove dust from floors, carpets, walls, furniture, clothing and various gaps. Generally speaking, a vacuum cleaner mainly includes a suction device and a suction pipeline. The suction device mainly formed by a motor and a fan is arranged in the body of the vacuum cleaner. The suction pipeline includes a suction head, a suction pipe and a suction hose. The head has a suction port opening downwards and communicates with the air inlet of the fan inside the vacuum cleaner body through a dust suction pipe and a dust suction hose. [0003] When the vacuum cleaner is running, the motor drives the impeller of the fan to rotate at a...

AI Technical Summary

Problems solved by technology

[0013] The present invention aims to solve the technical problem that the air flow channel in the motor housing is too short in the prior art, and provides a cross-flow air flow in which a cross flow channel is formed between the outer shell and the inner shell of the motor shell. Low-noise motor housing structure

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