Telescopic adjusting handle and vehicle

The utility model provides a telescopic adjusting handle and a vehicle, and relates to the technical field of vehicles. The telescopic adjusting handle comprises a handle assembly and a clamping mechanism. The handle assembly comprises a first adjusting handle and a second adjusting handle; the first adjusting handle is used for being connected with a steering mechanism of a vehicle, the first adjusting handle is inserted into the second adjusting handle, and the second adjusting handle is in sliding connection with the first adjusting handle; the clamping mechanism is arranged between the first adjusting handle and the second adjusting handle, and the clamping mechanism is configured in the mode that after the second adjusting handle and the first adjusting handle slide relatively, the part, connected with the second adjusting handle, of the clamping mechanism rotates along with the second adjusting handle so as to lock the second adjusting handle and the first adjusting handle. According to the telescopic a