The invention discloses a dustproof structure of an elevator switch. The structure comprises a switch body, a main contact piece and an auxiliary contact piece, wherein the switch body comprises a base, the base is provided with a main contact switch and an auxiliary contact switch, a protective cover is arranged above the base, the protective cover is provided with a main contact sliding contact device corresponding to the upper part of the main contact switch, the main touch sliding contact device and the protective cover slide along the vertical direction, the protective cover is provided with an auxiliary touch sliding contact device corresponding to the side surface of the auxiliary touch switch, the auxiliary touch sliding contact device and the protective cover slide along the transverse direction, and the main touch sliding contact device and the auxiliary touch sliding contact device have the same structure. The main contact piece and the auxiliary contact piece are not electrically connected with the switch body, that is, the main contact piece and the auxiliary contact piece only play a driving role, a basic sealing structure is actually achieved in the switch body, no position directly communicated with the outside exists, and meanwhile, foreign matters can be prevented from entering the switch body, and the protection level is greatly improved.
本发明公开了一种电梯开关防尘结构,包括开关本体、主触件和副触件,所述开关本体包括底座,底座上设置有主触开关和副触开关,所述底座上方设置有防护罩,所述防护罩对应主触开关上方设置有主触滑动接触装置,所述主触滑动接触装置与防护罩沿竖直方向滑动,所述防护罩对应副触开关侧面设置有副触滑动接触装置,所述副触滑动接触装置与防护罩沿横向滑动,所述主触滑动接触装置与副触滑动接触装置结构相同,本发明主触件和副触件均与开关本体之间无电连接,即其仅做驱动作用,而开关本体内部实际实现基本密封结构,无直接与外界相通之处,同时可以避免异物进入,大大提高防护等级。
Dustproof structure of elevator switch
电梯开关防尘结构
2021-11-05
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |