Car bottom bracket and elevator car bottom

The utility model relates to a car platform bracket and an elevator car platform, the car platform bracket comprises a crosspiece and two groups of bracket side baffles, and the crosspiece is arranged between the two groups of bracket side baffles; the bracket side baffle comprises a first side baffle plate and a second side baffle plate, and the end part of the crosspiece is inserted between the first side baffle plate and the second side baffle plate and is respectively propped against the first side baffle plate and the second side baffle plate; wherein the first side baffle is provided with a first connecting plate part, the second side baffle is provided with a second connecting plate part, and the first connecting plate part is attached to the second connecting plate part and is connected with the second connecting plate part. On the basis that the overall structural strength of the bracket is ensured, the overall height of the bracket can be reduced so as to be suitable for being applied to an elevator