Knob light leakage prevention structure in airplane control panel

The utility model discloses a knob light leakage prevention structure in an airplane control panel. The knob light leakage prevention structure is composed of a panel body, a knob body, a printed board body, a knob LED, a panel LED, a light guide piece body, a rotary switch and the like. The rotary knob has the advantages that the light guide piece body and the rotary knob body are connected into a whole for use, and the problem of light leakage between the rotary knob and the light guide panel due to lifting and pressing of a rotary switch is solved by means of the design of the panel light blocking part. 本实用新型公开一种飞机控制面板中旋钮防漏光结构。所述旋钮防漏光结构由面板本体、旋钮本体、印制板本体、旋钮LED、面板LED、导光件本体及旋转开关等组成。本实用新型的有益效果在于：将导光件本体和旋钮本体连为一体使用，利用面板挡光部的设计，解决因旋转开关的提拉、按压导致旋钮与导光面板间的漏光问题。