Seat headrest and seat

The utility model discloses a seat headrest and seat, the seat headrest includes: rest the head on down, the up end of headrest is equipped with the slide rail down, the slide rail is from the back to preceding downward sloping, the slider, establish the slider slidable in the slide rail, go up the headrest, go up the headrest with the slider links to each other, the touching -type roller button further comprises elastic components, the elastic component elastic connection be in the slider with down between the headrest, pre -fixing spare, pre -fixing spare is connected the slider with between resting the head on down, so that the elastic component keeps elastic state at initial position, and set up into on unblock when resting the head on the rearward movement. The utility model discloses seat headrest, the damage to passenger's neck of can preventing effectively to knock into the back, and simple structure, handling ease, the production of being convenient for. 本实用新型公开了种座椅头枕和座椅，所述座椅头枕包括：下头枕，所述下头枕的上端面设有滑轨，所述