Replaceable packaging bag and device using same

Abstract

The invention provides a device using a closed replaceable packaging bag. The device comprises a base and a container housing, wherein a bracket used for fixing the packaging bag is arranged on the base; the container housing is detachably assembled on the base and defines an inner cavity used for accommodating the packaging bag; the bracket is constructed for clamping the upper end part of the packaging bag and enabling the package bag to be basically and vertically accommodated in the inner cavity of the container housing, and is provided with a through hole part for allowing an air cylinder pipe of a liquid pump to be inserted into the vertical packaging bag in a puncturing manner from above while the packaging bag is clamped; the through hole part forms a through hole for the passing of the air cylinder pipe. The invention further provides the closed replaceable packaging bag suitable for the device. By the device and the replaceable packaging bag, the leakage of the packaging bag during replacement and use can be effectively prevented and the operation convenience of a user is guaranteed.

Description

technical field [0001] The invention relates to the field of containers and packaging bags, in particular to a closed refill packaging bag and a device for using the same. Background technique [0002] There are generally two types of bags currently on the market for liquid containers with pumps. One is supplementary, that is, after the liquid product in the container is used up, the container is opened, the packaging bag is torn or opened in other ways, and the liquid product in the packaging bag is added to the container with a pump for continued use. The disadvantage of this packaging method is that the consumer needs to open the packaging bag and pour the liquid product into a container with a pump. The operation is cumbersome, and it is easy to spill out of the container during the transfer of the product, causing inconvenience to consumers. [0003] The other is the replacement type, that is, after the liquid product in the container is used up, the container shell wi...

AI Technical Summary

Problems solved by technology

Although this packaging method is easier to operate than the first method, its disadvantage is that when the cylinder tube of the liquid pump penetrates the packaging bag, it is easy to leak due to the increase in the internal pressure of the packaging bag, and the cylinder The part where the tube is inserted into the packaging bag will also be easily loosened from the packaging bag due to factors such as movement and vibration.

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