Passenger train seat installation mechanism

The utility model relates to a passenger train seat installation mechanism. Include with the inboard leg of seat mutually fixed first guide rail and with seat outside leg fixed second guide rail mutually, first, the second guide rail is all arranged along the length direction of automobile body, first, the second guide rail respectively along its length direction be equipped with first, the 2nd T type groove, the inboard leg of seat fix mutually with a T type groove through a T type bolt, nut and packing ring, seat outside leg fix mutually with the 2nd T type groove through the 2nd T type bolt, nut and packing ring. According to the above technical scheme, the utility model discloses an adjust firstly, the 2nd T type bolt is first, and the position in the second guide rail is the interval of adjustable seat, only need unclamp corresponding nut during the regulation, slip T type bolt can, need not punch again on the floor, the effect of floor in the fixed carriage, plastic flooring and side wall board is also played by this mechanism simultaneously