| 摘要 |
A door impact beam structure is provided to prevent a door from being bent toward interior of a vehicle when shock is transmitted from a side part of the vehicle and to protect a passenger by installing a steel cable at a center of the door impact beam. A door impact beam structure for a vehicle has a door impact beam(2), and at least one strand of steel cable(4). The door impact is a hollow pipe. A plurality of through holes are formed on the door impact beam to circumferential direction and longitudinal direction. The steel cable is installed at a center of the door impact beam along longitudinal direction to improve bending stiffness. Two stands of steel cables are inserted to the through hole of the door impact beam to form a closed loop. The steel cables are crossed each other on a hollow unit of the door impact beam.
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