| 摘要 |
PROBLEM TO BE SOLVED: To provide a reinforcement structure of a vehicle door which achieves improvement of the occupant protection ability while improving acoustic performance of a speaker.SOLUTION: In a reinforcement structure of a vehicle door incorporating a speaker, a first fixing part 11 is fixed to an inner panel to which the speaker is attached. A second fixing part 14 is fixed to an outer panel located at a vehicle outer side of the inner panel. Reinforcement surface parts 12, 13 formed into a planar shape connect the first fixing part 11 to the second fixing part 14 and expand downward.SELECTED DRAWING: Figure 3 |
