Automatically toothpaste feeding type toothbrush

Abstract

The invention discloses an automatically toothpaste feeding type toothbrush. The toothbrush comprises a brush head and a brush handle; the brush head is connected to the head of the brush handle; a toothpaste bottle, a toothpaste squeezing device, a motor and a circuit board are arranged in the brush handle; the motor is electrically connected to the circuit board; a toothpaste discharging pipe isarranged on the brush head; the brush head can communicate with the toothpaste bottle by virtue of the toothpaste discharging pipe; the toothpaste squeezing device comprises a top rod and a top sleeve; an outer screw thread is arranged on the top rod; an inner screw thread, which is matched with the outer screw thread, is arranged in the top sleeve; the top end of the top rod can abut against thetoothpaste bottle; the top sleeve can be connected to an output shaft of the motor; the top sleeve can be driven to rotate by virtue of the motor; and the top rod can do reciprocating moving along anaxial direction of the top sleeve. According to the toothbrush provided by the invention, the top sleeve is driven to rotate by virtue of the motor, so that the top rod can do reciprocating moving along the axial direction of the top sleeve, and subsequently, toothpaste in the toothpaste bottle can be squeezed out. In addition, rotating speed and working duration of the motor can be controlled byvirtue of the circuit board; and therefore, the toothpaste, which is used in each time, can be squeezed out by a fixed quantity.

Description

technical field [0001] The invention relates to the technical field of daily necessities, in particular to an automatic paste-feeding toothbrush. Background technique [0002] Toothbrush is a kind of brush that is used to clean teeth, generally all can add toothpaste to clean teeth on toothbrush when brushing teeth, is the necessity article of people's daily life. However, during a business trip or travel, if the toothbrush and toothpaste are carried separately, on the one hand, the storage volume is too large and takes up a large space. On the other hand, toothpaste is easily squeezed and broken, which is very inconvenient, so a portable toothbrush emerges at the historic moment. A portable toothbrush generally consists of a brush head and a handle with a toothpaste holding chamber inside, wherein the tail of the handle is provided with a toothpaste extruding device that can extend into the toothpaste holding chamber. The toothpaste in the toothpaste containing cavity can...

AI Technical Summary

Problems solved by technology

However, the toothpaste extruding device in the prior art cannot quantitatively extrude toothpaste, and it is easy to accidentally squeeze out too much toothpaste during use, thereby causing waste of toothpaste and accelerating the consumption of toothpaste, and it is inconvenient to replenish toothpaste when going out, so In a portable toothbrush, an automatic paste-feeding toothbrush is needed to control the amount of toothpaste extruded

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