Industrial door rapid reaction safety bottom edge

The utility model discloses a rapid reaction safety bottom edge of an industrial door. Including a safety hem, the safety bottom edge comprises a contact induction part and a ground mounting part which are matched with the industrial door, a buffer part is arranged between the contact induction part and the ground mounting part, a plurality of buffer cavities are formed in the buffer part from topto bottom, and the cross section of the previous buffer cavity is smaller than that of the next buffer cavity; the contact sensor comprises an arc-shaped pressed groove matched with the bottom of theindustrial door; wherein the arc-shaped pressed groove is formed in the upper portion of the industrial door, the reset part is arranged below the arc-shaped pressed groove and used for supporting the arc-shaped pressed groove, the induction contact belt is installed on the arc-shaped pressed groove, the induction contact belt enables the stress signal transmission end to be in linkage with the motor control end of the in