IT WAS HAD ALL CENTER CRISIS UNIT A NOISE ABSORPTION FACULTY

摘要

The present invention relates to a sound absorption function median, and more particularly the shape " of the total "The shape and consisting of a wall portion 12 which is vertically formed at the bottom portion 11 and bottom portion 11, on both sides of the central wall portion 12 formed of a pair of through-holes 121 are left and right wall portions ( 12) on the both sides, the lower part with a plurality of fixing holes 122 is formed, the upper part of the insert groove 123 is formed in a median strip (10), inserted in the fixed median barrier (through-holes 10 of 121) and while the both sides of the communication hole 21 is formed to communicate, the outer circumferential surface of the communication hole 21 projection 22 is formed in communication with body F Alfie materials 20, the protruding portion of the communication part 20 (22) fastened to the inner side so that the fit in the groove 31 is formed on the outer peripheral surface with a plurality of sliding grooves 32 is formed sound-absorbing material 30, a streamlined body (41) and formed on upper and lower sides of the body portion 41 ( 42) On the other hand consisting of, sound-absorbing material (flange portion 421 is fastened to the sliding-fit groove 32 of the 30) are formed on the inside of the body number 41 and the number of the sound-absorbing holes on the outer circumferential surface of the body portion 41 412 is formed, the side 42 has a bolt hole 421 formed in the side of the steel cover 40, a median strip fitting portion is fitted to the insertion groove 123 of the 10, 51 and the bottom The formed, and the left and right fitting portion wingbu 52, characterized in that to reduce the noise of the vehicle to efficiently pass to the structure including the top cover 50 is formed of 51.