Blade-free electric fan

An electric fan and bladeless technology, which is applied to components of pumping devices for elastic fluids, non-variable pumps, pump devices, etc., can solve problems such as potential safety hazards and inconvenience

Inactive Publication Date: 2010-05-26
胡国贤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The source of the wind of various existing electric fans all adopts the direct blowing structure of the blades. The electric fans with the direct blowing structure of the blades all cause various safety hazards during use, especially during the cleaning process. all kinds of inconvenience

Method used

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  • Blade-free electric fan
  • Blade-free electric fan
  • Blade-free electric fan

Examples

Experimental program
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Embodiment Construction

[0009] see figure 1 and figure 2 , The bladeless electric fan of the present invention comprises a base 23, a casing 9, a fan motor 13, a centrifugal blade 8, a blower head 14, and a small motor 22 for shaking the head. The casing 9 is connected with the same body of the blower head 14, the four circles of the blower head 14 are hollow air ducts 12, the following of the casing 9 has an air inlet hole 7, the fan casing 15 is installed in the casing 9, and the blower motor 13 is installed on the machine. Inside the casing 9, inside the fan casing 15 is the centrifugal blade 8, the centrifugal blade 8 is coaxially connected with the fan motor 13, the shaft head where the fan motor 13 is connected to the centrifugal blade 8 is equipped with a safety nut 10, and the bottom of the casing 9 The center is connected with the housing shaft seat 16, the housing shaft seat 16 is equipped with a bearing 18, and the inner ring of the bearing 18 is connected with the central shaft 19. The...

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PUM

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Abstract

A blade-free electric fan comprises a base, a machine shell, a fan motor, a centrifugal blade, a blowing head and a small oscillating motor. The blowing head is connected with the machine shell, and four rings of the blowing head form a hollow air passage; the fan motor is coaxially connected with the centrifugal blade; a motor shaft and one end of a centrifugal blade connecting head are provided with safety nuts; the outside of the centrifugal blade is provided with the fan shell which is used for increasing the pressure of wind sucked by the centrifugal blade; the blowing head blows out strong wind through the air passage; the lower part of the shell is provided with an air inlet hole, a shell shaft seat is arranged in the center of the lower end of the shell, and the base is provided with a central shaft and a bearing which is connected rotationally with the shell shaft seat; and the oscillating motor is arranged at the bottom of the base, an oscillating pinion is arranged at one end of an oscillating motor shaft through a key pin, an oscillating gearwheel is engaged with the oscillating pinion and is connected with a shaft through the key pin, the other end of the shaft is provided with a bearing, the bearing is arranged above a support which is connected with the base, and the radius center of the oscillating gearwheel is provided with an oscillating arm which is movably connected with the bottom of the machine shell.

Description

technical field [0001] The invention relates to various household electric fans, in particular to a bladeless electric fan. Background technique [0002] The source of the wind of various existing electric fans all adopts the direct blowing structure of the blades. The electric fans with the direct blowing structure of the blades all cause various safety hazards during use, especially during the cleaning process. All kinds of inconvenience. Contents of the invention [0003] Therefore, the technical problem to be solved by the present invention is to provide a bladeless electric fan with beautiful appearance, easy to clean, easy to use and safe. [0004] The bladeless electric fan of the present invention comprises a base, a casing, a fan motor, centrifugal blades, a blower head, and a small motor for shaking the head. The blower head is connected with the casing. The four circles of the blower head are hollow air ducts. The fan motor and the centrifugal fan blade are co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/08F04D29/42
CPCF04D25/08F04F5/16
Inventor 胡国贤周洪祥
Owner 胡国贤
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