JPH0238670Y2 - - Google Patents

Description

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

[Conventional technology]

BACKGROUND ART Conventionally, as a cartridge-type rod-shaped cosmetic dispensing container, one described in Japanese Utility Model Application Publication No. 104405/1983 is known. In this structure, as shown in FIG. 7, a cartridge 1 is detachably attached to a container body 11.First, the cartridge 1 will be explained.As shown in FIG. A core chuck 6 is slidably provided, and the base end of a rod-shaped cosmetic material 7 is supported at the tip of the core chuck 6, and the core chuck 6 is biased toward the base end of the cartridge body 2 by a spring 19. , and a tail plug 20 is fitted to the base end of the cartridge body 2 so as not to jump out from inside the cartridge body 2. A through hole 31 is bored in this tail plug 20.

This cartridge 1 is screwed into a container body 11.
The structure of this container body 11 is as follows. That is, a spiral cylinder 14 having a spiral groove 15 formed on its inner surface is fitted and fixed in the outer cylinder 12, and a rotary cylinder 32 containing the cartridge 1 at the tip of the outer cylinder 12 is attached to the outer cylinder 12. This rotary cylinder 32 is rotatably attached to the
A grooved pipe 33 that is locked to and rotates together with the rotary cylinder 32 is passed through the rotary cylinder 32 and the spiral cylinder 14, and a push rod 34 is slidably inserted into the grooved pipe 33. The end protrudes from the groove of the grooved pipe 33 and has a spiral groove 1 on the inner surface of the spiral tube 14.
A protrusion 8 that engages with 5 is provided protrudingly, and further,
A spring 35 is wound around the base end of the grooved pipe 33 to bias the rotary cylinder 32 and the grooved pipe 33 from separating from the outer cylinder 12.

When the rotary cylinder 32 is rotated by holding the outer cylinder 12, the grooved pipe 33 rotates within the spiral cylinder 14, and the protrusion 8 of the push rod 34 slides within the spiral groove 15, causing the push rod to rotate.
4 advances toward the cartridge 1 side, pushes the base end of the core chuck 6 through the through hole 31 of the tail plug 20, and pushes out the bar-shaped cosmetic 7 against the biasing force of the spring 19.

[Problem that the invention attempts to solve]

However, in such a structure, the cartridge 1 except for the rod-shaped cosmetic 7 is the cartridge main body 2,
It requires four parts: a core chuck 6, a spring 19, and a tail plug 20, and the container body 11 is made up of an outer cylinder 12,
Spiral tube 14, rotating tube 32, grooved pipe 33,
Six parts are required: the push rod 34 and the spring 35, and a total of 10 parts are required. Therefore, due to the large number of parts, assembly is troublesome and expensive.

Further, the attachment and detachment of the cartridge 1 is also troublesome because it requires screwing.

The present invention was devised in view of these points, and the technical problem is to reduce the number of parts in a cartridge-type cosmetic stick dispensing container to reduce the cost, and also to make it easier to attach and detach the cartridge. .

[Means for solving problems]

In order to solve the above-mentioned technical problem, the present invention takes the following technical measures in a cartridge-type rod-shaped cosmetic dispensing container in which a cartridge 1 is detachably attached to a container body 11.

That is, the cartridge 1 has a core chuck 6 slidably provided in a cylindrical cartridge main body 2,
A base portion of a rod-shaped cosmetic material 7 is supported at the tip of the core chuck 6, a flange 3 is provided at the base end of the cartridge body 2, and a guide groove 4 is formed from the base end portion to the intermediate portion. A guide protrusion 8 protruding outward from the groove 4 is provided at the base end of the core chuck 6, and by narrowing the width of the guide groove 4, the holding protrusions 5, 5 that temporarily hold the guide protrusion 8 are guided. A pair of protrusions are provided on at least one side of the base end portion of the groove 4.

Further, the container body 11 has an outer cylinder 12, and a cartridge 1 is inserted into the outer cylinder 12 from its proximal opening.
is removably inserted, and at this time, the distal end of the cartridge 1 protrudes from the distal opening of the outer cylinder 12.
Inside this outer cylinder 12, a spiral cylinder 14 is provided which has a spiral groove 15 formed on its inner surface in which the guide protrusion 8 of the core chuck 6 engages, and is slidable in the axial direction of the outer cylinder 12. It cannot be rotated in the circumferential direction. Further, the helical tube 14 is urged toward the proximal end of the outer tube 12 by a spring 19, and the proximal end of the helical tube 14 is in contact with the flange 3 of the cartridge body 2. Further, a tail plug 20 is fitted into the proximal opening of the outer cylinder 12 to prevent the cartridge 1 from coming off.

[Effect]

In this way, the cartridge 1 has two parts excluding the bar-shaped cosmetic 7: the cartridge body 2 and the core chuck 6, and the number of parts of the container body 11 is as follows:
There are four parts: the outer cylinder 12, the spiral cylinder 14, the spring 19, and the tail plug 20, reducing the total to six parts.

Further, the cartridge 1 can be attached and detached by simply removing the tail plug 20 and inserting and removing it from the proximal opening of the outer cylinder 12.

When the outer tube 12 is rotated by holding the tip of the cartridge 1, the spiral tube 14 also rotates together with the outer tube 12, and the guide protrusion 8 of the core chuck 6 slides within the spiral groove 15, causing the core chuck 6 to rotate. is slid, and the bar-shaped cosmetic 7 held at the tip thereof is made to protrude from the tip of the cartridge 1.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 5.

First, the cartridge 1 will be explained. A cylindrical cartridge main body 2 with openings at the distal end and the proximal end is formed, and a flange 3 is formed at the proximal end of the cartridge main body 2, and the flange 3 is formed in the axial direction from the proximal end portion to the intermediate portion of the cartridge main body 2. A guide groove 4 is formed in the guide groove 4, and two pairs of holding protrusions 5, 5 for narrowing the width of the guide groove 4 are formed on both sides of the base end portion of the guide groove 4.

In addition, there is a core chuck 6 inside the cartridge body 2.
is slidably provided, and this core chuck 6
The base of the rod-shaped cosmetic 7 is supported at the tip.
The guide groove 4 is provided at the base end of the core chuck 6.
A guide protrusion 8 is provided to protrude outward from the guide groove 4, and the guide protrusion 8 is slidable within the guide groove 4. At the base end of the guide groove 4, the two pairs of holding protrusions 5, 5 and is temporarily held.

Next, the container body 11 will be explained. This container body 11 has an outer cylinder 12, and the cartridge 1 is inserted into and removed from the proximal opening of the outer cylinder 12, and the distal end of the cartridge 1 protrudes from the distal opening. be. A connecting tube 13 is fitted to the tip of the outer tube 12, and a spiral tube 14 is provided inside the outer tube 12 so as to be slidable in the axial direction of the outer tube 12. The guide protrusion 8 of the core chuck 6 is formed on the inner surface of the spiral tube 14.
A spiral groove 15 is formed that engages with.

Further, as shown in FIG. 4, a cut groove 16 is formed at one end of the joint tube 13, and hook portions 17 are formed on both sides of the entrance and exit of the cut groove 16. A T-shaped locking portion 18 provided at the tip of the spiral tube 14 is inserted from the entrance and exit, and both sides of the locking portion 18 are formed so as to be hooked on hook portions 17 on both sides of the entrance and exit of the cut groove 16. There is. This makes the helical tube 14 unable to rotate in the circumferential direction of the outer tube 12, and prevents it from falling out of the proximal opening of the outer tube 12.

Further, a coil spring 19 is stretched between the helical tube 14 and the connecting tube 13, and the helical tube 14 is urged toward the proximal end of the outer tube 12 by the coil spring 19. is brought into contact with the flange 3 of the cartridge body 2.

Further, a tail plug 20 is fitted into the proximal opening of the outer cylinder 12 to prevent the cartridge 1 from coming off.
This tail plug 20 has a fitting tube 21 that fits inside the outer tube 12.
a shaft portion 2 that can be inserted into the cartridge body 2;
2 is installed protrudingly.

Next, an example of the operation of this embodiment will be explained.
First, when the cartridge 1 is installed in the container body 11 and the tail plug 20 is fitted into the proximal opening of the outer cylinder 12, the cartridge 1 is pushed by the tail plug 20 as shown in FIG. The helical tube 14 is in a state in which it is slightly slid toward the distal end side of the outer tube 12 by the flange 3 of the outer tube 12 against the coil spring 19. At this time, the guide protrusion 8 protruding from the core chuck 6 of the cartridge 1 still has two pairs of holding protrusions 5,
5 and is not engaged with the spiral groove 15 of the spiral tube 14. Therefore, when the container body 11 is rotated by holding the tip end of the cartridge 1, the guide protrusion 8 engages with the starting end of the spiral groove 15, and the guide protrusion 8
is detached from the holding protrusions 5, 5 and becomes free in the guide groove 4, so the helical tube 14 pushes the flange 3 portion of the cartridge 1 toward the tail plug 20 due to the biasing force of the coil spring 19, and the shaft portion of the tail plug 20 is inserted into the cartridge 1.

When the outer cylinder 12 is further rotated, the core chuck 6 slides inside the cartridge main body 2 by the guide protrusion 8 sliding in the spiral groove 15, and the rod-shaped cosmetic material 7 held at its tip is moved to the tip of the cartridge 1. protrude from

As described above, in this embodiment, the number of parts of the cartridge 1 excluding the bar-shaped cosmetic material 7 is two parts: the cartridge body 2 and the core chuck 6, and the number of parts of the container body 11 is as follows: the outer cylinder 12, the spiral cylinder 14. ,
There are 5 parts: the spring 19, the tail plug 20, and the joint tube 13, reducing the total to 7 parts.

Note that the connecting tube 13 is required to have a coil spring 19 stretched between it and the helical tube 14, and also to provide a locking means to prevent the helical tube 14 from rotating and coming off from the outer tube 12. It was established. To tension the coil spring 19, an annular projection can be integrally provided on the inner surface of the tip of the outer cylinder 12, and
The rotation of the helical tube 14 can be prevented by providing an uneven strip along the sliding direction of the helical tube 14 on the outer surface of the helical tube 14 and the inner surface of the outer tube 12 instead. The tail plug 2 prevents it from coming off from 12.
0 can be used for both purposes, and when the tail plug 20 is removed, the spiral tube 14
The joint tube 13 is not necessarily required if care is taken to prevent it from coming off.

Further, as shown in FIG. 6, it is sufficient to provide a pair of holding protrusions 5, 5 on one side of the guide groove 4.

[Effect of idea]

According to the present invention, the number of parts of the cartridge 1 is 2.
The number of parts and container body 11 is 4 parts, a total of 6 parts, and the number of parts is small, so the number of assembly steps is small and the cost can be reduced. Moreover, since the cartridge 1 has only two parts, it is advantageous to be able to reduce the cost when selling the cartridge 1 as a replacement.

Furthermore, the cartridge 1 can be replaced simply by removing the tail plug 20 and inserting and removing it into the outer cylinder 12, which is extremely easy.

[Brief explanation of drawings]

Fig. 1 is a half-sectional view showing an embodiment of the present invention, Fig. 2 is a sectional view of the cartridge, Fig. 3 is a plan view of the cartridge, and Fig. 4 shows the engagement relationship between the joint tube and the spiral tube. Figure 5 is a half-sectional view when the cartridge is installed, Figure 6 is a diagram showing a modification of the holding protrusion,
FIG. 7 is a cross-sectional view showing a conventional cartridge-type cosmetic stick dispensing container, and FIG. 8 is a cross-sectional view of the cartridge. DESCRIPTION OF SYMBOLS 1... Cartridge, 2... Cartridge body, 3... Flange, 4... Guide groove, 5... Holding protrusion, 6... Core chuck, 7... Bar-shaped cosmetic,
8... Guide protrusion, 11... Container body, 12...
Outer tube, 14... spiral tube, 15... spiral groove, 19...
...Spring, 20...tail plug.

Claims (1)

[Scope of Claim for Utility Model Registration] In a cartridge-type stick-shaped cosmetic dispensing container in which a cartridge 1 is detachably attached to a container body 11, the cartridge 1 has a core chuck 6 slidably inside a cylindrical cartridge body 2. A base portion of a rod-shaped cosmetic material 7 is supported at the tip of the core chuck 6, a flange 3 is provided at the base end of the cartridge body 2, and a guide groove 4 is formed from the base end portion to the intermediate portion, and A guide protrusion 8 protruding outward from the guide groove 4 is provided at the base end of the core chuck 6, and holding protrusions 5, 5 temporarily hold the guide protrusion 8 by narrowing the width of the guide groove 4. are protruding from at least one side of the proximal end portion of the guide groove 4. The container body 11 has an outer cylinder 12, and the cartridge 1 is inserted through the proximal opening of the outer cylinder 12. Insert cartridge 1 removably from the opening at the tip.
The outer cylinder 12 has a spiral groove 15 on its inner surface that engages with the guide protrusion 8.
A helical tube 14 is provided so as to be slidable in the axial direction of the outer tube 12, but not rotatable in the circumferential direction of the outer tube 12, and further, the helical tube 14 is fixed to the proximal end side of the outer tube 12 by a spring 19. The base end of the spiral tube 14 is brought into contact with the flange 3 of the cartridge main body 2, and the tail plug 20 is fitted into the base end opening of the outer tube 12 to prevent the cartridge 1 from coming off. This is a cartridge-type, rod-shaped cosmetic dispensing container.