Back row seat backrest angle adjustment mechanism

The utility model discloses a back row seat backrest angle adjustment mechanism, including mechanism's casing, be equipped with the backrest angle regulating plate in mechanism's casing, it has backrest angle to adjust the guide way to open on the backrest angle regulating plate, be connected through the angle adjustment shaft cover that sets up in backrest angle adjusts the guide way between backrest angle regulating plate and the mechanism casing, be fixed with the fixed locking steel wire of latch hook cooperation with the back lock on the backrest angle regulating plate, open at backrest angle regulating plate top has a plurality of backrest angle constant head tanks, be equipped with in mechanism's casing and be located backrest angle regulating plate top, with backrest angle constant head tank complex angle locking mechanism, angle locking mechanism's power input is connected with adjustment handle. Adopting the unblock of push type handle to construct with the automatic individual malposed tooth of fal