Sealed lipstick tube

Abstract

The present application relates to a sealed lipstick tube. The sealed lipstick tube includes a housing base, a housing inner tube, a cartridge, a sealing sleeve, and a housing outer tube. An outer wall of the housing base is formed with an annular engaging groove, an inner wall of the housing inner tube is formed with an annular engaging protrusion, wherein the engaging protrusion is fitted into the engaging groove. The cartridge is mounted on the housing base and is received in an installation space, which is defined by the housing base and the housing inner tube. An inner wall of the sealing sleeve abuts against the outer wall of the housing base. The housing outer tube is sleeved on outer walls of the housing inner tube and the sealing sleeve. The sealed lipstick tube has simple design and good sealing performance.

What is claimed is: 
     
         1 . A sealed lipstick tube comprising:
 a housing base ( 1 ), wherein an outer wall of the housing base ( 1 ) is formed with an annular engaging groove ( 11 ) around an axial line direction of the, housing base ( 1 );   a housing inner tube ( 2 ), wherein an inner wall of the housing inner tube ( 2 ) is formed with an annular engaging protrusion ( 21 ) around the axial line direction of the housing base ( 1 ), the annular engaging protrusion ( 21 ) is fitted into the annular engaging groove ( 11 ), and the housing base ( 1 ) and the housing inner tube ( 2 ) cooperatively define an installation space ( 6 );   a cartridge ( 3 ), wherein the cartridge ( 3 ) is configured for accommodating a lipstick, and further is mounted on the housing base ( 1 ) and received in the installation space ( 6 );   a sealing sleeve ( 4 ), wherein the sealing sleeve ( 4 ) is fixed at an end of the housing inner tube ( 2 ) adjacent to the annular engaging protrusion ( 21 ), and an inner wall of the sealing sleeve ( 4 ) abuts against the, outer wall of the housing base ( 1 ); and   a housing outer tube ( 5 ), sleeved on outer walls of the housing inner tube ( 2 ) and the sealing sleeve ( 4 ).   
     
     
         2 . The sealed lipstick tube according to  claim 1 , wherein the inner wall of the sealing sleeve ( 4 ) is formed with an annular sealing protrusion ( 41 ), and the annular sealing protrusion ( 41 ) abuts against the outer wall of the housing base ( 1 ). 
     
     
         3 . The sealed lipstick tube according to  claim 1 , wherein the sealing sleeve ( 4 ) is formed with an annular fixing groove ( 42 ), and the annular fixing groove ( 42 ) is engaged with the end of the housing inner tube ( 2 ); the housing inner tube ( 2 ) is formed with a plurality of fixing holes ( 22 ) distributed around the axial line direction of the housing base ( 1 ), a plurality of fixing posts ( 43 ) corresponding to the plurality of fixing holes ( 22 ) are disposed in the annular fixing groove ( 42 ), and each of the plurality of fixing posts ( 43 ) penetrates through a corresponding one of the plurality of fixing holes ( 22 ). 
     
     
         4 . The sealed lipstick tube according to  claim 1 , wherein the cartridge comprises:
 a cartridge base ( 31 ), mounted on the housing base ( 1 );   a cartridge sleeve ( 32 ), wherein an end of the cartridge sleeve ( 32 ) is movably connected to an end of the cartridge base ( 31 );   a screwing tray ( 33 ), disposed in the cartridge sleeve ( 32 ); and   a screwing rod ( 34 ), penetrating through a central portion of the housing, base ( 1 ) and an end of the screwing rod ( 34 ) being connected to the screwing tray ( 33 ).   
     
     
         5 . The sealed lipstick tube according to  claim 2 , wherein the sealing sleeve ( 4 ) is foliated with an annular fixing groove ( 42 ), and the annular fixing groove ( 42 ) is engaged with the end of the housing inner tube ( 2 ). 
     
     
         6 . The sealed lipstick tube according to  claim 5 , wherein the housing inner tube ( 2 ) defines a plurality of fixing holes ( 22 ) distributed around the axis of the housing base ( 1 ), a plurality of fixing posts ( 43 ) corresponding to the plurality of fixing holes ( 22 ) are formed in the annular fixing groove ( 42 ), and each of the plurality of fixing posts ( 43 ) penetrates through a corresponding one of the plurality of fixing holes ( 22 ). 
     
     
         7 . The sealed lipstick tube according to  claim 6 , wherein the cartridge comprises:
 a cartridge base ( 31 ), mounted on the housing base ( 1 );   a cartridge sleeve ( 32 ), wherein an end of the cartridge sleeve ( 32 ) is movably connected to an end of the cartridge base ( 31 );   a screwing tray ( 33 ), disposed in the cartridge sleeve ( 32 ); and   a screwing rod ( 34 ), threaded with and penetrating through a central portion of the housing base ( 1 ), an end of the screwing rod ( 34 ) being connected to the screwing tray ( 33 ).   
     
     
         8 . The sealed lipstick tube according to  claim 7 , wherein a columnar lipstick is disposed on the screwing tray ( 33 ), and the screwing tray ( 33 ) comprises a number of fixing elements ( 331 ) inserting into the lipstick. 
     
     
         9 . The sealed lipstick tube according to  claim 7 , wherein the cartridge base ( 31 ) and the housing base ( 1 ) are coaxial. 
     
     
         10 . The sealed lipstick tube according to  claim 1 , wherein the housing base ( 1 ), the housing inner tube ( 2 ), the cartridge ( 3 ), the sealing sleeve ( 4 ), and the housing outer tube ( 5 ) are coaxial.