Electric toothbrush capable of automatically squeezing toothpaste

An electric toothbrush capable of automatically squeezing toothpaste, comprising a brush handle and a brush barrel, said brush handle is detachably mounted on an upper end of said brush barrel;

• wherein an upper end of said brush handle is provided with bristles on an outside, and said brush handle is hollow inside to form a connecting hole extending to said bristles;
• a first one-way valve is provided near said bristles, with an output end of said first one-way valve facing said bristle;
• said brush barrel is provided with a material chamber where a piston is installed;
• a bottom of said brush barrel is equipped with an exhaust hole communicating with said material chamber;
• one opening end of said material chamber near said brush handle communicates with said connecting hole to form a pathway;
• said brush handle is equipped with a pressing pump inserted in said connecting hole;
• said pressing pump is an internal hollow structure with one end provided with a second one-way valve, and the other end provided with a third one-way valve embedded in said pressing pump;
• an output end of said third one-way valve faces said bristles;
• said pressing pump is provided with a pressing block;
• a surface of said brush handle corresponding to said pressing block is provided with a pressing port to expose said pressing block;
• and
• an inner upper end of said brush barrel is equipped with a fastening port communicating to said material chamber;
• a lower end of said pressing pump is detachably connected to said fastening port so that a lower end of said third one-way valve is communicated with said fastening port;
• said fastening port is provided with an internal thread that fastens an outlet of a toothpaste container when a toothpaste in said toothpaste container is replenished in said material chamber.