JP2022153811A5 - - Google Patents

Claims (10)

a cushion material having a groove having a through hole penetrating to the back side formed on the front side;
a skin material covering the surface side of the cushion material and having a hanging portion provided on the back surface;
a locking portion provided inside the groove of the cushion material for locking the hanging portion;
a fluid cell that is provided in the cushion material and expands when fluid flows in;
a tube inserted through the through-hole and supplying a fluid to the fluid cell;
The vehicle seat, wherein the engaging portion provided inside the groove is provided apart from the through hole. In the vehicle seat according to claim 1,
comprising a plurality of fluid cells and a plurality of tubes that individually supply fluid to each of the plurality of fluid cells,
The groove has a plurality of through holes through which the plurality of tubes are individually inserted and a plurality of locking portions,
The vehicle seat, wherein the through holes and the engaging portions are alternately arranged in the groove. The vehicle seat according to claim 1 or 2,
The vehicle seat, wherein a diameter of the through hole is set smaller than a dimension of the engaging portion in a groove width direction. In the vehicle seat according to any one of claims 1 to 3,
The vehicle seat, wherein the through hole is provided so as to be biased toward the fluid cell with respect to the center of the groove in the groove width direction. In the vehicle seat according to any one of claims 1 to 4,
A vehicle seat, wherein a diameter of the tube is set larger than a dimension in a groove width direction of a locked portion of the hanging portion that is locked by the locking portion. In the vehicle seat according to any one of claims 1 to 5,
A cushion airbag for suppressing a submarine phenomenon at the time of vehicle collision is further provided on the back side of the cushion material,
The vehicle seat, wherein the engaging portion is provided in a region of the groove outside a region in which the cushion airbag is provided. In the vehicle seat according to any one of claims 1 to 6,
a sheet-like heater disposed between the cushion material and the skin material so as to cover the upper surfaces of the cushion material and the fluid cells, and having a heating portion provided on a base fabric;
The heater is
a first heating region provided with the heating unit and disposed above the fluid cell;
a second heating region provided with the heating unit and disposed on the cushioning material;
A base fabric region provided in a boundary region between the first heating region and the second heating region, and a surplus length portion that can be extended according to expansion of the fluid cell. vehicle seat. In the vehicle seat according to any one of claims 1 to 7,
a control unit that controls the fluid supply to the fluid cell and controls the fluid supply for correcting the posture of a seated occupant;
A vehicle seat, further comprising: a manual stop operation unit provided in the vehicle seat for manually stopping the fluid supply control. In the vehicle seat according to claim 8,
The vehicle seat includes a seat cushion that supports the buttocks of the occupant and a seat back that supports the waist and back of the occupant,
The vehicle seat, wherein the manual stop operation portion is provided on at least one of left and right sides of the seat back. arranging a fluid cell that swells with a fluid on a seat cushion material having a hanging groove in which a hanging locking member and a through hole are spaced apart from each other;
a step of inserting a tube for supplying fluid to the fluid cell through the through-hole and routing it on the rear surface side of the seat cushion material;
a step of covering the seat cushion material with a skin material having a hanging part provided on the back side thereof, and engaging the hanging part with the hanging locking member provided on the seat cushion material; A method for manufacturing a vehicle seat, comprising: