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A self-cleaning exhaust fan

An exhaust fan and self-cleaning technology, applied in mechanical equipment, machines/engines, liquid fuel engines, etc., can solve the problems of inconvenient cleaning and a lot of dust accumulated in the exhaust fan, so as to achieve sufficient cleaning effect, improved cleaning, avoidance of The effect of adhering dirt

Active Publication Date: 2020-09-22
滨州高新区国有资本投资运营有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the exhaust fan is generally fixedly installed on the top of the room, a lot of dust will accumulate on the exhaust fan after long-term use, which is very inconvenient to clean

Method used

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  • A self-cleaning exhaust fan
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Embodiment approach

[0028] As an embodiment of the present invention, the planetary gear mechanism 6 includes a first gear 61, a second gear 62 and a first ring gear 63; the middle part of the rotating shaft of the motor 2 is fixedly connected to the first gear 61; The shaft is fixed to the second gear 62; the first gear 61 and the second gear 62 are meshed; the inner wall of the housing 1 is fixed to the first ring gear 63; the first ring gear 63 and the second gear 62 Mesh with each other; the first gear 61 rotates to drive the fan blades to rotate eccentrically; cooperate with the brushing module 4 provided on one side to realize the working process of cleaning while exhausting, avoiding dirt from sticking to the mesh cover 3, and no need for manual dust removal clean up.

[0029] As an embodiment of the present invention, the connecting rod mechanism 7 includes a connecting rod 71, a third gear 72 and a second ring gear 73; one end of the connecting rod 71 is fixedly connected to the rotating...

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Abstract

The invention belongs to technical field of suction fans and exhaust fans, and particularly relates to a self-cleaning exhaust fan. The self-cleaning exhaust fan comprises a shell, a motor, fan blades, a net cover, a brushing-removing module and a driving module; one side of a rotating shaft of the motor is provided with the brushing-removing module, the brushing-removing module comprises an upperscraping plate and a lower scarping plate, and the upper scraping plate and the lower scarping plate are used for scraping and removing dirt adhered to the surface of the net cover; the other side ofthe rotating shaft of the motor is provide with the fan blades, and the driving module is used for driving the fan blades to rotate; the driving module can be one of a planetary gear mechanism and aconnecting rod mechanism, autorotation and revolution of the fan blades can be achieved, and the net cover is cleaned while air exhausting is conducted; the planetary gear mechanism comprises a firstgear, a second gear and a first gear ring; and the connecting rod mechanism comprises a connecting rod, a third gear and a second gear ring. According to the self-cleaning exhaust fan, the fan bladesand the brushing-removing module are symmetrically arranged on the two sides of the motor, circulating and alternating exhausting and cleaning are achieved through the driving module, the situation that the dirt adheres to the net cover of the exhaust fan is avoided, and manual clearing is not needed.

Description

technical field [0001] The invention belongs to the technical field of suction and exhaust fans, in particular to a self-cleaning exhaust fan. Background technique [0002] The exhaust fan is a type of air-conditioning appliance that is driven by a motor to rotate the blades to drive the airflow to exchange indoor and outdoor air. Also known as ventilator. The purpose of exhaust is to remove indoor dirty air, adjust temperature, humidity and sensory effects. Exhaust fans are widely used in homes and public places. Since the exhaust fan is generally fixedly installed on the top of the room, a lot of dust will accumulate on the exhaust fan after long-term use, which is very inconvenient to clean. Contents of the invention [0003] In order to make up for the deficiencies of the prior art, a self-cleaning exhaust fan proposed by the present invention uses fan blades and brushing modules to be symmetrically arranged on both sides of the motor; the function of exhausting on ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D25/08F04D29/70F04D29/00
CPCF04D25/08F04D29/002F04D29/701
Inventor 邵瑞张家俊陈鹏
Owner 滨州高新区国有资本投资运营有限公司
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