Cosmetic packaging bottle with automatic liquid pumping function and liquid pumping method thereof

Abstract

The invention discloses a cosmetic packaging bottle for automatic liquid extraction, which comprises a bottle body, a bottle mouth, a bottle shoulder, a shoulder sleeve, a bottle cap, a dropper and a button. The top of the dropper is fixed on the bottle cap, and the bottom of the dropper extends into the bottle. Inside the body, the bottle cap includes an inner cap, a middle cap and an outer cap. The inner cap is threadedly connected to the bottle mouth. The middle cap includes an inner ring of the middle cap, an outer ring of the middle cap and a connecting ring. The button is connected with a piston structure, and the dropper is connected to the piston. At the bottom of the structure, the piston structure is slidably connected in the inner ring of the middle cover. A return spring is fixed on the connecting ring. Pull the button ring, the connecting ring is provided with a through hole, and the bottom of the outer ring of the middle cover is lower than the bottom of the inner cover. When the bottle cap is opened, the return spring drives the button and the piston moves upwards to cooperate with the dropper to automatically extract the original solution from the bottle body, without taking out the dropper and then manually extracting the original solution, which is convenient and hygienic to use, and has a good appearance.

Description

technical field [0001] The invention relates to a packing bottle, in particular to a cosmetic packing bottle for automatically pumping liquid and a liquid pumping method thereof. Background technique [0002] There are many kinds of cosmetics, and the structure of the packaging bottle for packaging cosmetics is also various. Osman-30ml whitening essence liquid needs to be packaged in a special dropper packaging bottle. After the dropper is taken out from the bottle, squeeze the elastic suction head on the top of the dropper to draw the stock solution in the bottle into the dropper, which is inconvenient to use, and the stock solution cannot be guaranteed to be hygienic after the dropper is taken out. Contents of the invention [0003] In order to solve the defects and deficiencies in the above-mentioned prior art, the present invention provides a method that when the product cover is opened, the return spring drives the button and the piston to move up and cooperate with t...

AI Technical Summary

Problems solved by technology

[0002] There are many kinds of cosmetics, and the structure of the packaging bottle for packaging cosmetics is also various. Osman-30ml whitening essence liquid needs to be packaged in a special dropper packaging bottle. After the dropper is taken out from the bottle body, squeeze the elastic pumping head on the top of the dropper to draw the original liquid in the bottle into the dropper, which is inconvenient to use, and the original liquid cannot be guaranteed to be hygienic after the dropper is taken out

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