Mounting structure of a valve core seat of a pull-out faucet, and a pull-out faucet with a sensing function comprising said mounting structure

Abstract

A mounting structure of a valve core seat of a pull-out faucet in a faucet body which has a main pipe and a branch pipe communicating with each other; a restricting portion is protruded out radially into the branch pipe from an inner diameter of an end of the branch pipe in communication with the main pipe; one side of the valve core seat has a boss; a stepped surface is formed the valve core seat surrounding the boss; the valve core seat is inserted from a lower end of the main pipe and installed at a height corresponding to the branch pipe, and the boss is inserted into the branch pipe through a space enclosed by the restricting portion, and the stepped surface is locked and fixed to the restricting portion. A pull-out faucet having a sensing function that includes the above mounting structure is also disclosed.