Double-layer anti-impact prison room door for prison

The utility model discloses a double-layer anti-impact prison room door of a prison in the field of prison doors. The double-layer anti-impact prison room door of the prison comprises a first handrail, a second handrail and a third handrail, the connecting rods are located at the top ends of the first handrails and used for connecting the first handrails; and the second handrail is positioned on one side of the first handrail. By arranging the limiting mechanism, the motor is started, the motor works to drive the gear to rotate, the gear rotates to give thrust to the rack, so that the connecting rod and the first handrail move under the action of the rack, the rack moves to give pressure to the limiting rod, and the limiting rod moves along the interior of the wall under the action of the slope; the outer wall of the other end of the limiting rod penetrates through the sliding groove matched with the moving track of the second handrail, so that the second handrail cannot move backwards, similarly, when the se