| 摘要 |
<p>Disclosed is a toothpaste discharging toothbrush. The toothpaste discharging toothbrush includes a handle having a hollow structure; a piston disposed in the handle; a pumping unit coupled to a rear side of the handle to push the piston forward; an extension part coupled to a front end of the handle, and having a transfer passage therein to be connected to the handle; a bristle mount part coupled to a back end of the extension part, and having a discharge hole connected to the transfer passage; a bristle coupled to the bristle mount part; and a nipple coupled to the discharge hole, wherein the nipple includes: a nipple body formed of a soft material, the nipple body having a hollow structure and opened lower portion; a top plate formed of a soft material, the top plate being disposed on the nipple body to cover an upper portion of the nipple body; and a cutoff part defined in the top plate, and the pumping unit includes a pumping ball formed of a soft material. The pumping ball may have a deformation pressure less than a limitation pressure in which the cutoff part is opened by a pressure of internal toothpaste.</p> |
