Occupy -place formula interlock

The utility model provides an occupy -place formula interlock, including two foot switch that the position is relative, foot switch includes running -board and inside motion arm, running -board and inside motion arm form lever connection through the pivot, two be equipped with a pendulum -type occupy -place mechanism between the foot switch, pendulum -type occupy -place mechanism includes the occupy -place arm, its one end of occupy -place arm is the stiff end, and its other end is can be round stiff end pivoted arc expansion end, one of them inside motion arm can promote when upwards rotating what another inside motion arm was occupied to the arc expansion end upwards rotates the space, obstructs another inside motion arm and upwards rotates. The utility model discloses thoroughly solve and rob electric problem, safe and reliable, can not influence production efficiency and high -frequency heat sealing machine life. 本实用新型提出了种占位式互锁装置，包括两个位置相对的脚踏开关，所述脚踏开关包括脚踏板和内部动作臂，所述脚踏板和内部动作臂通过转轴形成杠杆连接，在两个所述脚踏开关之间设有摆式占位机构，所述