Air guide ring, fan and range hood
CN224693645UActive Publication Date: 2026-08-28GUANGDONG LIZI TECH CO LTD
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Patent Information
- Application Number
- CN202521945517.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-09
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-09
AI Technical Summary
Technical Problem
[0004]针对现有技术存在的问题，本实用新型的第一目的提供一种导风圈，所要解决的技术问题是：如何实现导风圈导风更顺畅，减少噪音
Benefits of technology
[0026]本实用新型的导风圈，通过斜线段和圆弧段以使导风圈导风更顺畅，避免在蜗壳内产生旋涡，进而减少了噪音；并且，由于风沿着斜线段和圆弧段顺畅流动至蜗壳内，大大减少了风损。
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Figure CN224693645U_ABST
Abstract
The utility model provides a kind of air guide ring, fan and range hood, belong to range hood equipment technical field.The air guide ring is installed in the air inlet of volute in fan, the air guide ring includes annular air guide part and mounting portion, the inside of annular air guide part forms air inlet;The mounting portion is set to the outer edge of annular air guide part;Wherein, the longitudinal section of annular air guide part includes mutually connected oblique line segment and circular arc segment, the oblique line segment is connected with the mounting portion, the circular arc segment extends along the air inlet direction of air inlet;Wind flows along oblique line segment, then smoothly transitions to circular arc segment, and is guided into volute again through circular arc segment, in this way, through oblique line segment and circular arc segment to make air guide ring air guide more smooth, avoid vortex in volute, to reduce noise, greatly improve the use experience of user.
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