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Multi-direction head-swinging type fan

A fan and fan blade technology, which is applied in the field of electric fans for air conveying, can solve the problems of small wind receiving area and achieve the effect of increasing the wind receiving area

Inactive Publication Date: 2009-04-15
陈国英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the fan only has the function of swinging back and forth, but does not have the function of working with three degrees of freedom at the same time, and the wind receiving area is small

Method used

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  • Multi-direction head-swinging type fan
  • Multi-direction head-swinging type fan
  • Multi-direction head-swinging type fan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The best embodiment of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0014] like figure 1 , figure 2 As shown, a multi-directional oscillating fan includes a base 6, a fan head 2, a fan blade 1 and a driving motor 7; it is characterized in that: the fan head 2 is movably connected to the base 6, and the There is a swing system 3 between. The multi-directional oscillating fan also includes a U-shaped bracket 4, the fan head 2 is connected to the base 6 through the U-shaped bracket 4, the fan head 2 is installed on the bracket 4; the drive motor 7 and the swing system 3 are installed on the fan In the head 2, the fan blade 1 is fixed on the output shaft of the drive motor 7; the shaft hole 41 at the bottom of the bracket 4 and the protruding shaft 61 on the base 6 form a rotating pair; the fan head 2 passes through the protruding shaft 21 Hinged on the bracket 4; the fan head 2 is also equipped with a ...

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Abstract

The invention discloses a multidirectional oscillating type fan which comprises a base (6), a bracket (4), a fan head (2), a driving motor (7), an oscillating system (3), and fan blades (1). A protruding rotating shaft (41) at the lower part of the bracket (4) and a concave shaft hole (61) on the base (6) constitute a revolute pair; the fan head (2) is hinged on the bracket (4) by the protruding rotating shaft (41); the fan head (2) is also provided with a driven gear (34) which rotates under the driving of the driving motor (7); and one end of a connecting sheet (5) is hinged on the end face of a gear (34) and the other end thereof is connected onto the base (6). As the length of the connecting sheet (5) is fixed, when the driven gear (34) rotates, the fan can generate vertical oscillation. Moreover, the bracket (4) also generates horizontal oscillation which takes the rotating shaft (41) as a shaft center. The fan has the function that three degrees of freedom can work simultaneously, and causes the wind area of the fan to be enlarged.

Description

technical field [0001] The present invention relates to a fluid conveying device, in particular to an electric fan for air conveying. Background technique [0002] In the prior art, the swing of the fan head has two degrees of freedom, and the other degree of freedom is adjusted by screws. The fan only has the function of swinging back and forth like this, but does not have the function of working simultaneously with three degrees of freedom, and the wind receiving area is small. Contents of the invention [0003] The object of the present invention is to provide a multi-directional oscillating fan with three degrees of freedom and a large wind-receiving area in order to avoid the above-mentioned shortcomings of the prior art. [0004] The present invention is realized by implementing the following technical solutions: a multi-directional oscillating fan, including a base, a fan head, fan blades and a driving motor; the fan head is movably connected to the base, and a Wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/08F04D25/10F04D29/00
Inventor 陈国英
Owner 陈国英
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