Mechanism of lipstick tube

摘要

A lipstick tube cartridge core comprising a ball (1), a fork (2), a spiral (3), and a cartridge (4). The spiral (3) and the cartridge (4) are provided therebetween with a keyway structure (33 and 43) arranged in the axial direction and an engaging ring (31 and 42) and engaging groove (32 and 41) structure arranged in the circumferential direction. As the spiral (3) and the cartridge (4) are provided therebetween with the keyway structure (33) arranged in the axial direction and the engaging ring (31 and 42) and engaging groove (32 and 41) structure arranged in the circumferential direction, retention of the spiral (3) and of the cartridge (4) is implemented without using a glue, thus preventing a scenario in which a cosmetic paste is contaminated by the glue.

主权项

1. A mechanism of a lipstick tube, comprising a cup (1), an innerbody (2), a spiral (3) and an A-shell (4), wherein an axial key slot structure and a circumferential clasp clamping groove structure are provided between the spiral (3) and the A-shell (4), wherein the key slot structure comprises key slots (33) and splines (43), the clasp clamping groove structure comprises a first clasp (31) and a first clamping groove (41), the key slots (33) and the first clasp (31) are provided on an outer wall of the spiral (3), the splines (43) and the clamping grooves (41) are provided on an inner wall of the A-shell (4), the key slot structure is used to implement a circumferential fixation of the spiral (2) and the A-shell (4), and the clasp clamping groove structure is used to implement an axial fixation of the spiral (2) and the A-shell (4).