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    • 9. 发明专利
    • Light source mounting structure of vehicular lamp
    • 汽车灯的光源安装结构
    • JP2013218974A
    • 2013-10-24
    • JP2012090638
    • 2012-04-12
    • Koito Mfg Co Ltd株式会社小糸製作所
    • KAWAMURA SUNAO
    • F21S8/10F21W101/10F21W101/14F21Y101/00
    • F21S48/00F21S41/162F21S41/194
    • PROBLEM TO BE SOLVED: To provide a light source mounting structure capable of securing a stable pinching state of a bulb without increasing a number of components.SOLUTION: A light source mounting structure consists of a bulb-mounting port 3 fitted to a reflector 1, a socket fixture 4 fixed to the bulb-mounting port 3, and a bulb 2 having a bayonet flange 24 inwardly inserted into the bulb-mounting port 3 and engaged with the socket fixture 4 while being rotated. The socket fixture 4 is integrated with a snap-fitting 45 capable of elastically deforming engaged with the bayonet flange 24. By the elastic deformation of the snap-fitting 45, mounting and dismounting of the bulb 2 is made easy and its dropout can be prevented. The snap-fitting 45 is integral with the socket fixture 4, so that a number of components can be reduced.
    • 要解决的问题:提供能够确保灯泡的稳定夹持状态而不增加部件数量的光源安装结构。解决方案:光源安装结构由安装到反射器1的灯泡安装端口3, 固定到灯泡安装端口3的插座固定件4以及具有卡口凸缘24的灯泡2,该卡口凸缘24向内插入灯泡安装端口3中,并同时与插座固定件4一起旋转。 插座固定件4与能够与卡口凸缘24弹性变形的卡扣配件45一体化。通过卡扣配件45的弹性变形,使灯泡2的安装和拆卸变得容易,并且可以防止其脱落 。 卡扣配件45与插座固定件4成一体,从而可以减少多个部件。