JPH0535801Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a cartridge-type, rod-shaped cosmetic dispensing container.

``Prior art'' The so-called cartridge-type rod-shaped device uses a decorated and expensive outer tube (cosmetic tube) as a non-replaceable component, and an inner tube (elevating tube) that supports the consumable rod-shaped cosmetic product as a replaceable component. For example, there is a container for dispensing cosmetics as shown in Fig. 3 (Utility Application No. 158887/1987 (No. 6898 No. 5-689) filed by the present applicant).
etc.).

This consists of a non-replaceable member A and a replaceable member B housed in the non-replaceable member A, and the non-replaceable member A has at least a decorative tube 1 with an open top end and an upper outer surface of the decorative tube 1. The replacement member B is formed by a cap 3 into which the lower part of the peripheral wall 2 is fitted, and the replacement member B is formed by fitting the lower half of the first cylindrical wall 4 into the decorative cylinder 1 so as to allow relative rotation. a guide tube 5 in which the upper half of the cylinder wall 4 projects upward from the decorative tube 1;
An elevating tube 8 has a lower part of a bar-shaped cosmetic 7 fitted into the upper part of the second tube wall 6 which is unrotatably fitted into the lower half of the first tube wall 4, and An engaging cylinder part 10 with an open lower end surface is provided vertically from the lower end of the shaft part 9 screwed onto the inner surface of the lower half, and the engaging cylinder part 10 is rotatable to the lower end of the guide cylinder 5. Center shafts 11 each unrotatably linked to the lower end of the cosmetic tube 1
It is formed by

To explain in more detail, the decorative tube 1 includes a decorated metal tube 12 with a bottom, and a decorated metal tube 12 with a bottom.
A bottomed synthetic resin auxiliary cylinder 13 fitted inside;
The metal tube 12 is divided into a metal middle member 14 connected to the upper end thereof. The above auxiliary tube 13
has an engaging protrusion 15 circumferentially provided on its lower inner surface, and a spline groove 17 formed on the outer surface of a shaft portion 16 that stands up from the center of the bottom wall.

The cap 3 has a bar-shaped cosmetic 7 inside its upper part.
A cylindrical sealing member 18 made of synthetic resin is fitted to prevent drying.

The guide tube 5 has the first tube wall 4 divided into a lower tube wall 19 made of synthetic resin and an upper tube wall 20 made of metal connected to the upper end of the lower tube wall 19. The inner surface of the lower cylinder wall 19 is spline engaged 21 with the outer surface of the second cylinder wall 6 of the elevating cylinder 8, which is also made of synthetic resin. Furthermore, an engagement groove 22 is provided around the lower inner surface of the lower cylindrical wall 19 .

The center shaft 11 is molded from a synthetic resin material, and an engagement protrusion 23 is provided around the upper outer surface of the engagement cylinder portion 10.
is loosely fitted into the engagement groove 22 of the guide tube 5, and the engagement protrusion 15 of the cosmetic tube 1 (auxiliary tube 13) is loosely fitted into the engagement groove 24 provided around the outer surface of the lower part. Further, a spline groove 25 is bored in the inner surface of the engagement cylinder part 10, and the spline groove 25 is connected to the decorative cylinder 1.
It engages with the spline groove 17 of the (auxiliary cylinder 13).

Therefore, when the decorative tube 1 is rotated in a predetermined direction with respect to the guide tube 5 after the cap 3 is removed, the inner shaft 11, which rotates together with the decorative tube 1, is rotated to be screwed into the inner shaft 11 and the above-mentioned The lifting tube 8 whose rotation is prevented by the guide tube 5 is screwed up and the bar-shaped cosmetic 7 is raised.
is rolled out.

On the other hand, when the bar-shaped cosmetic 7 is worn out and the replacement member B is replaced, by pulling the guide tube 5 upward against the cosmetic tube 1, the center shaft 11 that engages with the guide tube 5 in the vertical direction is also pulled up. , thereby causing the engaging protrusion 1
5 is disengaged from the engagement groove 24, and the replacement member B consisting of the guide tube 5 and the like is pulled out from the non-replaceable member A consisting of the decorative tube 1 and the like.

"Problems to be Solved by the Invention" In the above-mentioned conventional cartridge-type cosmetic bar dispensing container, the engagement groove 24 on the replaceable member B side is forced upward into the engagement protrusion 15 on the non-replaceable member A side. Since the upper cylinder wall 2 of the guide cylinder 5 of the sealing member 18 in the cap 3 was engaged so that it could be crossed over,
If the prevention of drying of the bar-shaped cosmetic product 7 is further strengthened by increasing the sealing performance (degree of press-fitting) against 0, the replacement member B will be pulled by the cap 3 each time the cap is removed for makeup, and the non-replaceable member will be pulled. There was a problem that it could be pulled out from inside A (cosmetic tube 1).

Therefore, the present invention is a cartridge-type cosmetic bar that has a structure that firmly prevents the center shaft from being removed from the cosmetic tube, but also allows for easy release of the locking state, thereby improving the sealing performance of the cap against the guide tube. The purpose is to provide a dispensing container.

"Means for Solving the Problems" In order to achieve the above object, the cartridge-type bar-shaped cosmetic dispensing container according to the present invention has a non-replaceable member A.
and a replaceable member B housed in the non-replaceable member, and the non-replaceable member A includes at least a decorative tube 1 having an open upper end surface, and a cap in which a lower part of the peripheral wall 2 is fitted onto the upper outer surface of the decorative tube. 3, and the replacement member B fits the lower half of the first cylinder wall 4 into the decorative cylinder so as to be relatively rotatable.
A guide cylinder 5 whose upper half of the cylinder wall projects upwardly from the cosmetic cylinder, and a rod-shaped cosmetic inside the upper part of the second cylinder wall 6 which is unrotatably fitted into the lower half of the first cylinder wall. 7
An engaging cylindrical portion 10 having an opening on the lower end is provided vertically from the lower end of the shaft portion 9 screwed onto the inner surface of the lower half of the second cylindrical wall. A central shaft 1 in which a joint tube portion is rotatably linked to the lower end of the guide tube.
In the cartridge-type rod-shaped cosmetic dispensing container formed with 1, the lower end surface of the cosmetic tube 1 is opened, and elasticity that hangs down from the outer surface of the engaging tube portion 10 at intervals in the circumferential direction via the outward flange-shaped portion 28 The engaging piece 29 is engaged with the lower surface of the engaging protrusion 15 provided around the inner surface of the lower part of the decorative cylinder, and the rod part 31 that stands up from the center of the base plate 30 on the inner surface of the engaging cylinder part is attached.
Also, there is a base plate 3 on the inner surface of the decorative tube below the engagement protrusion.
The wedge-shaped part 35, which stands up in a cylindrical shape from the outer periphery of the base plate, of the push button 34, whose outer periphery parts are spline-engaged with each other, is placed so that its upper end faces into the gap between the elastic engagement piece and the decorative tube. By pushing the push button up against the center shaft and the decorative tube, the wedge-shaped portion 35 elastically deforms the elastic engagement piece 29 inward, so that the engagement with the engagement protrusion can be released. do.

"Operation" For example, in the state shown in FIG.
It is firmly secured against the This results in
Even if the sealing performance between the cap 3 and the guide tube 5 (see Fig. 3) is improved, when the cap is removed for makeup, the replacement member B is pulled by the cap 3 and the non-replaceable member A (cosmetic tube 1) It cannot be pulled out from within.

On the other hand, at the time of replacement, if the push button 34 is pushed up against the center shaft 11 and the decorative tube 1 and the engagement of the elastic engagement piece 29 with the engagement protrusion 15 is released by the wedge action described above, the replacement can be completed as shown in FIG. The member B becomes free with respect to the non-replaceable member A, and by pulling the guide tube 5 upward, the replaceable member B is easily pulled out from inside the decorative tube 1.

``Example'' An example of the present invention will be described below based on the accompanying drawings.

In Figures 1 and 2, 1 is a non-replaceable member A.
, 5 is a guide tube for replacement member B, 8 and 11 are
Similarly, the elevating tube and center shaft of the replacement member B are the same as those shown in FIG. 3.

The lower end surfaces of the metal tube 12 and the auxiliary tube 13 that constitute the decorative tube 1 are opened, and a spline groove 26 is bored in the lower inner surface of the auxiliary tube 13, located below the engagement protrusion 15. Further, an inward flange-shaped portion 27 is provided around the lower end of the spline groove 26 in connection with the lower end thereof.

A flange-shaped portion 28 facing outward from the outer surface of the intermediate portion of the engaging cylinder portion 10 attached to the lower end portion of the shaft 9 of the center shaft 11
The elastic engagement pieces 29 are suspended in the circumferential direction intermittently through the elastic engagement pieces 29, and the hook portions 29a of these elastic engagement pieces 29 engage with the lower surface of the engagement protrusion 15 on the inner surface of the auxiliary cylinder 13, making it impossible to climb over the upper part. are doing.

In this embodiment, a spline groove 32 is formed in the spline groove 25 on the inner surface of the engaging cylinder part 10 on the outer surface of the rod part 31 that stands up from the center of the base plate 30, and a spline groove 32 is formed in the spline groove 26 on the inner surface of the auxiliary cylinder 13. Board 3
0 are provided with push buttons 34 that are respectively engaged with spline grooves 33 formed on the outer periphery. Then, the upper end of the wedge-shaped portion 35 that stands up in a cylindrical shape from the outer peripheral edge of the base plate 30 faces into the gap between the elastic engagement piece 29 and the decorative tube 1, and the push button 34 is connected to the center shaft 11 and the decorative tube 1. By pushing up against the engagement strip 15, the wedge-shaped portion 35 elastically deforms the elastic engagement piece 29 inward so that it can be disengaged from the engagement projection 15.

Since the other configurations are the same as those shown in FIG. 3, detailed explanation will be omitted here with reference to FIG.

``Effects of the invention'' As explained above, according to the invention, the center shaft is firmly prevented from being removed from the decorative tube, and this state of being prevented from being removed is easily released via the push button, making it easy to replace. It is possible to improve the sealing performance of the cap to the guide tube without impairing the properties of the cap, thereby further strengthening the prevention of drying of the bar-shaped cosmetic.

[Brief explanation of the drawing]

FIG. 1 is a half-sectional view of a main part showing an embodiment of the present invention, FIG. 2 is a diagram of its operating state, and FIG. 3 is a half-sectional view of a conventional example. A... Non-replaceable member, B... Replaceable member, 1... Decorative tube, 3... Cap, 5... Guide tube, 8... Lifting tube, 11... Center shaft, 34... Push button.

Claims (1)

[Scope of utility model registration request] It consists of a non-replaceable member A and a replaceable member B housed in the non-replaceable member. The replacement member B is formed by fitting the lower half of the first cylindrical wall 4 into the decorative cylinder such that it can freely rotate relative to the lower half of the first cylindrical wall 4, and the upper half of the first cylindrical wall The lower part of the rod-shaped cosmetic 7 is fitted into the upper part of the guide cylinder 5 whose part projects upward from the cosmetic cylinder and the second cylinder wall 6 which is unrotatably fitted into the lower half of the first cylinder wall. The elevator tube 8 that was attached,
An engaging cylindrical portion 10 with an opening on the lower end surface is vertically disposed from the lower end of the shaft portion 9 screwed onto the inner surface of the lower half of the second cylindrical wall,
In the cartridge-type rod-shaped cosmetic dispensing container in which the engaging cylinder portion is formed with a center shaft 11 rotatably linked to the lower end portion of the guide cylinder, the cosmetic cylinder 1
An engaging protrusion is provided around the inner surface of the lower part of the decorative tube with elastic engaging pieces 29 that open the lower end surface of the cosmetic tube and hang down from the outer surface of the engaging tube section 10 at intervals in the circumferential direction via the outward flange-like portions 28. 15, and a rod portion 31 rising from the center of the base plate 30 is connected to the inner surface of the engagement cylinder portion, and an outer circumferential portion of the base plate 30 is connected to the inner surface of the decorative cylinder below the engagement ridge by splines. The upper end of the wedge-shaped portion 35 that stands up in a cylindrical shape from the outer periphery of the base plate of the fitted push button 34 faces into the gap between the elastic engagement piece and the decorative tube, and the push button is placed against the center shaft and the decorative tube. A cartridge-type rod-shaped cosmetic dispensing container characterized in that the wedge-shaped portion 35 elastically deforms the elastic engagement piece 29 inwardly by pushing it up, so that the engagement with the engagement protrusion can be released.