Title:
BULB HOLDER STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2018/058269
Kind Code:
A1
Abstract:
The present invention discloses a bulb holder structure, comprising a bulb holder, and a housing and a thermally conductive member fitting to the bulb holder. A protruding ring formed on an inner surface of the housing fits an annular base on a lower portion of the thermally conductive member. A plurality of protruding portions are peripherally distributed on an inner surface of the ring. An inner diameter defined by the protruding portions is smaller than an outer diameter of the base, that is, the ring forms an interference fit with the base of the thermally conductive member by means of the protruding portions. During an insertion process, because of a small force bearing area on the top of the protruding portions and gaps between the protruding portions, the base presses on the protruding portions to deform the protruding portions such that the gaps between the protruding portions are filled with deformed mold flashes, the ring completely presses the base of the thermally conductive member, forming an easy and secure fit, thereby effectively improving fit stability between the thermally conductive member and the housing, boosting yield, and ensuring excellent heat dissipation of a bulb body. In addition, a heat-conducting plate extends from the base on the lower portion of the thermally conductive member, further improving heat dissipation efficiency of the bulb body.
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| WO/2015/109674 | LED LIGHTING APPARATUS |
| WO/2019/242596 | FILAMENT STRUCTURE AND BULB HAVING THE FILAMENT STRUCTURE |
Inventors:
ZHOU NANQING (CN)
WU RONGKUI (CN)
WU RONGKUI (CN)
Application Number:
PCT/CN2016/100237
Publication Date:
April 05, 2018
Filing Date:
September 27, 2016
Export Citation:
Assignee:
MAINHOUSE XIAMEN ELECT CO LTD (CN)
International Classes:
F21K9/232; F21K9/237; F21V15/01; F21V17/16
Foreign References:
| CN106247195A | 2016-12-21 | |||
| CN206093589U | 2017-04-12 | |||
| CN205480221U | 2016-08-17 | |||
| CN2764040Y | 2006-03-08 | |||
| CN105737116A | 2016-07-06 | |||
| EP2251595A2 | 2010-11-17 |
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCY CO.,LTD. (CN)
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