Cushion locking mechanism

The utility model discloses a cushion locking mechanism, by the fixed skeleton assembly, upset cushion assembly, cushion connecting rod assembly, the latch hook support, the latch hook, locking hingeand spring constitute, the latch hook passes through locking hinge and articulates on the latch hook support, the latch hook support is fixed on upset cushion assembly, the spring housing is established on locking hinge, outside power is exerted to the latch hook to the spring, cushion connecting rod assembly fixes on the fixed skeleton assembly, cushion connecting rod assembly has the locking lever, the locking lever is located the below of latch hook, when normally taking, the pretightning force of dependence spring, the latch hook parts with cushion connecting rod assembly's locking lever,makes the latch hook be in non - lock -in positions, the utility model discloses can match to the seat that has the upset function in to make it when meeting accident the situation, like the collision, the inertial force that