Vehicle seat device

The utility model provides a vehicle seat device, bottom plate, intermediate lamella, upper plate and the buckle of arranging in proper order including from the bottom up, bottom plate and intermediate lamella contain the groove joint through the linear type to be connected, contains the groove relative slip along the linear type, upper plate and buckle fixed connection, buckle have annular scrap (bridge), and the upper plate has first balance ring, the first balance ring of annular scrap (bridge) joint makes the relative upper plate of intermediate lamella rotate, install the translation locking mechanism of the two locking of realization and a hoist mechanism who removes the two locking between bottom plate and intermediate lamella, intermediate lamella and last inter -plate are installed the rotatory locking mechanism who realizes the two locking and are removed the 2nd hoist mechanism of the two locking. Adopt the seat of such structure, need not to slide and rotate like the front and back that needs conc