Scavenger fan

A technology for a ventilating fan and a metal bracket, which is applied in the field of ventilating fans, can solve the problems of deformation of the motor bracket, difficult heat dissipation structure, contact of fan blades 5, etc., and achieves the effect of improving heat dissipation and safety
CN101025164AInactive Publication Date: 2007-08-29PANASONIC ECOLOGY SYSTEMS GUANGDONG CO LTD +1
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
PANASONIC ECOLOGY SYSTEMS GUANGDONG CO LTD
Publication Date
2007-08-29
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention is a ventilator, comprising: framework, snail shell arranged in the framework, motor bracket arranged at the hatch in the snail shell, and motor arranged in the motor bracket, where the framework is of metal material, and it is characterized in that the motor bracket is of metal material. Because of good heat radiation performance and solidity, it has better safety and stability.
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Description

technical field

[0001] The invention relates to a ventilation fan. Background technique

[0002] Ventilation fans are a common type of ventilation device, one type is mounted on the ceiling frame and is used to draw the air in the room from above the ceiling. In consideration of the safe weight of the ceiling, some measures are usually taken to reduce the weight of the ventilation fan.

[0003] As shown in FIG. 1 , a ventilation fan 100 has a frame 1 , a snail shell 2 and a motor 3 installed in the frame. The motor 3 is fixed on the opening in the snail shell 2 through a motor bracket, and the fan blade 5 is mounted on the motor 3 . Negative pressure is formed in the snail shell 2 by the rotation of the fan blade 5 to extract air. Considering overall robustness, the frame 1 is usually made of metal. In order to reduce the weight, the snail shell 2 is made of resin material; the motor bracket 7 is integrally formed with the snail shell and is also made of resin material. ...

Claims

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