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Volute tongue, draught fan and range hood

A volute tongue and fan technology, applied in the direction of oil fume removal, machines/engines, mechanical equipment, etc., can solve the problems of complex structure, loud noise, etc., and achieve the effect of simplified structure and simple structure

Active Publication Date: 2019-02-26
WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cleaning method of the related technology has defects such as loud noise and complicated structure

Method used

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  • Volute tongue, draught fan and range hood
  • Volute tongue, draught fan and range hood
  • Volute tongue, draught fan and range hood

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] combine Figure 1 to Figure 4 , according to the volute tongue 22 of the embodiment of the present invention, the volute tongue 22 extends along the front-rear direction, and a fluid channel 207 is formed on the volute tongue 22 . Forming the fluid channel 207 on the volute tongue 22 can simplify the structure of the volute tongue 22 and does not require a separate fluid channel 207 .

[0036] The fluid channel 207 has an inlet 2072 and a spray hole 2071 , and external fluid can enter the fluid channel 207 through the inl...

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PUM

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Abstract

The invention discloses a volute tongue, a draught fan and a range hood. The volute tongue extends in a front-rear direction, a fluid passage is formed in the volute tongue, the fluid passage is provided with an inlet and an injection hole, the fluid passage is suitable for introducing a fluid from the inlet and ejecting the fluid from the injection hole, the injection hole is formed in the outersurface of the volute tongue, the injection hole is configured to be suitable for ejecting the fluid toward inner space of a volute, the width of the injection hole is in the range of 0.1-10 mm. The volute tongue has a simple structure and a cleaning function, and can simplify the structure of the volute, range hood and other structure which are provided with the volute tongue.

Description

technical field [0001] The invention relates to the technical field of airflow driving equipment, in particular to a volute tongue, a fan with the volute tongue and a range hood with the fan. Background technique [0002] After the hood works for a long time, there will be more and more oil stains inside the hood, which will lead to a decrease in the performance of the hood (increased noise, reduced air volume, and increased power consumption). It needs to be cleaned for a period of time; currently on the market, hot water cleaning, steam cleaning, etc. are mainly used to clean the inside of the hood. The basic principle of steam cleaning is to generate steam by a steam generator, and then deliver the steam to the nozzle hole at the end of the nozzle pipe, and the steam is quickly ejected from the nozzle hole to wash the impeller and the volute for cleaning. The cleaning method of the related art has defects such as high noise and complex structure. Contents of the invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/42F04D29/70F24C15/20
CPCF04D29/422F04D29/4233F04D29/703F24C15/2057
Inventor 秦兴元方云超杨星星季俊生
Owner WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD