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Fan

A fan and angle adjustment technology, which is applied to components of pumping devices for elastic fluids, non-variable pumps, machines/engines, etc., can solve problems such as inability to achieve industrial production and fine adjustment of air supply volume , to achieve the effect of simple adjustment, high accuracy of angle adjustment, and convenient disassembly and assembly

Active Publication Date: 2014-12-17
SUZHOU DFL AIR CONTROL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Normally, the angle between the blades and the air supply direction is fixed, and the air volume can only be changed by changing the speed of the motor, but the span of the motor speed from one gear to another is too large to Realize the fine adjustment of the air supply volume, especially in industrial production, when the air supply volume requirements are relatively fine, it cannot meet the requirements of industrial production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] There are 10 angle adjusters 3, and the angle adjustment teeth 311 of each angle adjuster 3 are 36. When the angle adjustment teeth 311 are in the same position as the blade 1, the positions of the angle adjustment columns 33 are arranged in sequence with an angle gradient of 1 degree . Thus, a full 360-degree angle adjustment with a minimum angle of 1 degree can be realized.

Embodiment 2

[0034] There are 5 angle adjusters 3, and the angle adjustment teeth 311 of each angle adjuster 3 are 72. When the angle adjustment teeth 311 and the blade 1 are in the same position, the positions of the angle adjustment columns 33 are arranged in sequence with an angle gradient of 1 degree . Thus, a full 360-degree angle adjustment with a minimum angle of 1 degree can be realized.

Embodiment 3

[0036] There are 10 angle adjusters 3, and each angle adjuster 3 has 72 angle adjustment teeth 311. When the angle adjustment teeth 311 are in the same position as the blade 1, the positions of the angle adjustment columns 33 are sequentially adjusted with an angle gradient of 0.5 degrees. arrangement. Thus, a full 360-degree angle adjustment with a minimum angle of 0.5 degrees can be realized.

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Abstract

The invention discloses a fan. The fan comprises blades, a mounting base and angle adjusters, wherein the angle adjusters are connected with the end parts of the blades; the end parts of the angle adjusters and the blades are positioned in the mounting base; the angle adjusters are fixedly connected with the mounting base; a plurality of angle adjusting teeth are uniformly arranged at one end of each angle adjuster; the end parts of the blades are provided with tooth sockets which are matched with the angle adjusting teeth. One end of each angle adjuster is provided with the angle adjusting teeth, the other end of each angle adjuster is provided with angle adjusting columns, and a plurality of angle adjusters with the angle adjusting columns at different positions are adopted in a matching way, so that secondary angle adjustment can be performed on the blades of the fan. The fan is easy to adjust, is convenient to disassemble and assemble, and has high angle adjusting accuracy.

Description

technical field [0001] The invention relates to a fan, in particular to a fan with adjustable blade angles. Background technique [0002] A fan in the prior art usually includes a motor, an impeller and a hub. The impeller is fixedly installed outside the hub, and the motor is connected to the hub and drives the hub to rotate. Blades are fixedly arranged around the impeller, and the angle between the blades and the air supply direction is less than 90 degrees. When the angles are different, the air volume of the blades will also be different. Normally, the angle between the blades and the air supply direction is fixed, and the air volume can only be changed by changing the speed of the motor, but the span of the motor speed from one gear to another is too large to Realize the fine adjustment of the air supply volume, especially in industrial production, when the air supply volume requirements are relatively fine, it cannot meet the requirements of industrial production. C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/36
Inventor 林祥
Owner SUZHOU DFL AIR CONTROL TECH CO LTD
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