Lock tongue hole component for electric valve

The utility model provides a lock tongue hole component for electric valve, corresponds the rotation of lock tongue hole department at the back of board and is provided with the baffle including the board that has lock tongue hole, its characterized in that, and the back of baffle is provided with the diaphragm, and the backboard face above the diaphragm is provided with the first switch that has touch bar, and the touch bar end of first switch is leaned on on the diaphragm, and first switch is connected between power and electric actuator. Compared with the prior art, the utility model, have and to prevent reliably under the condition that the gate was not still unblanked, start electric actuator and lead to the advantage that the electric actuator motor damaged. 一种电动闸门用锁舌孔构件，包括带有锁舌孔的板，其特征在于在板的背面对应锁舌孔处转动设置有挡板，挡板的背面设置有横板，横板上面的板背面设置有带有触动杆的第一开关，第一开关的触动杆端头靠在横板上，第一开关连接在电源与电动装置间。本实用新型与已有技术相比，具有能可靠地防止在闸门还没有开锁的情况下，启动电动装置而导致电动装置电机损坏的优点。