Quickly-mounted faucet

The utility model discloses a fast-assembly type faucet, which belongs to the technical field of faucets, solves the problem that an on-table operation bolt cannot smoothly and stably control an under-table clamping jaw, and is characterized by comprising a faucet main body, an on-table assembly base, the under-table clamping jaw and an on-table operation bolt, and is used for assembling the position of an on-table mounting hole, the faucet body is in fastening fit with the on-table assembly base, the under-table clamping jaw is assembled on the on-table operation bolt and at least has an opening state and a closing state, the on-table operation bolt is located on the on-table assembly base and drives the under-table clamping jaw, and the maximum diameter of the under-table clamping jaw in the closing state is smaller than the diameter of an installation hole of a table top. The maximum diameter of the under-table clamping jaw in the open state is larger than the diameter of an installation hole of the table