JPH0232882B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a cartridge-type, rod-shaped cosmetic dispensing container.

Conventionally, many cartridge-type containers for dispensing stick-shaped cosmetics such as eyeshadow, eyeliner, eyebrow lipstick, or foundation, which can be detachably attached to a container body equipped with a dispensing mechanism, have been used. Since the core of most of the cosmetics, such as these, not only lacks viscosity and elasticity, but is also soft, it has been extremely difficult to use the cosmetics to the end without accidents such as breakage.

For this reason, the core of the above-mentioned cosmetics is often placed in a cartridge tube and the core is replaced with the cartridge tube.In this type of cartridge, when replacing the core, the cartridge is inserted into the container body. At the same time as the cylinder is attached and detached, the core chuck that holds the core must be attached and detached from the end of the feeding mechanism of the container body, which has the drawback of making the replacement procedure troublesome and complicating the structure.

The present invention has been made in view of the above-mentioned drawbacks and has been made for the purpose of eliminating these problems, and provides a cartridge-type rod-shaped cosmetic container whose cartridge cylinder is easy to replace, whose structure is simple, and which can be securely fastened. The purpose is to

An embodiment of the present invention will now be described with reference to the drawings. FIGS. 1 to 3 show a first embodiment.

Reference numeral 1 denotes an outer cylinder having a bottomed cylindrical body, and a threaded cylinder 2 having a threaded groove 4 screwed from the open end to the inner periphery of a shaft hole 3 is inserted into the outer cylinder 1, and is press-fitted into the outer cylinder 1. A groove tube 7 that is integrated by fitting or gluing and has one end press-fitted into the shaft hole 6 of the boss portion 5a extending rearward of the joint tube 5.
The shaft portion of the screw tube 2 is rotatably inserted through the shaft hole 3 of the threaded cylinder 2, and a washer 8 is externally inserted into the rear end portion protruding from the rear end of the shaft hole 3 to prevent the washer 8 from coming off. A bulging portion 7a is formed, and a washer 8 is brought into contact with the rear end of the threaded cylinder 2.

Further, the groove tube 7 has a sliding groove 9 on one side of the tube shaft, and an engagement member protruding from one side of the rear end of a slide shaft 10 which is slidably inserted into the groove tube 7. A protrusion 11 is made to protrude from the sliding groove 9, and the protruding end is engaged with the threaded groove 4, and when the sliding shaft 10 is fully retracted, the stop tapered end 12 is attached to the joint cylinder 5.
located at the bottom of the fitting recess 5b (see Figure 1).
When it is fully extended, at least the tapered end portion 12 protrudes from the tip of the tip tube 13 (described later) (see FIG. 3).

The above-mentioned joint tube 5 has a tapered tube portion 1 with a tapered tip.
The rear end of the front tube 13, which becomes 3a, is inserted and press-fitted or glued and integrated, and the claw tube 14 is inserted and held between the tapered tube portion 13a of the front tube 13 and the tip of the joint tube 5,
The outer periphery of the cartridge cylinder 16 of the cartridge part 15 is formed with a small protrusion protruding in the inner diameter direction at the inner end of each elastic claw piece 14a formed on the claw cylinder 14, and can be freely inserted through the end hole 13b of the tapered cylinder part 13a. The cartridge cylinder 16 is held in place by appropriate elastic pressure from the circumferential direction, and the cartridge cylinder 16 whose rear end is inserted into the fitting recess 5b of the joint cylinder 5 is removably supported. The cartridge cylinder 16 has a core opening 1 at its outer end.
7, and the core chuck 18 is slidably inserted into the inner periphery of the core chuck 18, and the rear end of the bar-shaped cosmetic material a is press-fitted into the fitting recess 18a of the core chuck 18, and the rear end of the cartridge cylinder 16 is inserted. The bushing 20 fitted in prevents it from being pulled out toward the rear end.

Further, at the rear end of the core chuck 18, there is a tapered hole 19 that fits into the tapered end 12 of the sliding shaft 10.
is bored, and when the tapered end 12 is inserted into the tapered hole 19, it is connected with appropriate frictional resistance by both tapered surfaces.

With the above configuration, in the cosmetic container, the outer cylinder 1 is rotated with respect to the front cylinder 13 and the sliding shaft 10 is fully retracted, and the joint cylinder 5 is fitted from the core chuck 18 side of the cartridge cylinder 16. It is inserted from the end hole 13b of the front cylinder 13 so as to fit into the mating recess 5b.

By this insertion, the cartridge tube 16 is moved to the claw tube 1.
At the same time, the tapered end 12 of the sliding shaft 10, which has entered through the shaft hole of the bush 20, is pressed against the elasticity of the core chuck 18, and is supported by an appropriate pressing force due to the elasticity of the elastic claw piece 14a. The two are inserted into the hole 19 and connected with appropriate pressure by tapered fitting of the two.

Therefore, when the outer cylinder 1 is rotated in the left-right direction in this state, the core chuck 18, which is integrally formed with the sliding shaft, slides through the shaft hole of the cartridge cylinder 16, and the rod-shaped makeup is removed from the core opening 17 of the cartridge cylinder 16. Charge a leaves.

Next, when the bar-shaped cosmetic material a has been used, the outer cylinder 1 is turned fully to advance the sliding shaft 10 to the full extent.

As a result of this forward movement, the core chuck 18 hits the core opening 17 as shown in FIG.
At the same time, the cartridge cylinder 16 is pushed out against the elasticity of the claw cylinder 14, and the cartridge cylinder 16 is inserted into the end hole 1 of the front cylinder 13.
3a, and can be easily pulled out by holding the protrusion of the cartridge cylinder 16, and the fit between the tapered hole 19 of the core chuck 18 and the tapered end is achieved by this extraction. Missing,
It is something that can be exchanged.

Next, FIGS. 4 to 7 show a second embodiment of the present invention.

Reference numeral 21 denotes an outer cylinder of the cylindrical main body, and a joint cylinder 22 is inserted and fitted into the middle part of the front side of the outer cylinder 21, and a boss portion 22a extending rearward of the joint cylinder 22 is inserted.
One end of a threaded cylinder 24 having a threaded groove 26 screwed into the inner periphery of the shaft hole 25 is rotatably fitted to the rear end of the threaded cylinder 24, and a stepped hole at the rear end of the outer cylinder 21 is inserted into the rear end of the threaded cylinder 24. 21a
A rotary knob 31 is inserted and fixed by protruding substantially the rear half from the rotary knob 31, which is rotatably prevented from being pulled out by the engagement of the annular bulge 31a.

Reference numeral 27 denotes a grooved cylinder which is inserted and fixed at one end into the shaft hole 23 of the joint cylinder 22, and which passes through the shaft hole 25 of the threaded cylinder 24 so as to be rotatable. has a sliding groove 28 in the groove tube 7, and an engaging protrusion 30 protrudes from one side of the rear end of the sliding shaft 29 which is slidably inserted into the groove tube 7, and projects from the sliding groove 9; The protruding end is engaged with the thread groove 26, and when the sliding shaft 29 is fully retracted, the tapered fastening thread end 32 is inserted into the fitting recess 21b of the outer cylinder 21.
(see FIG. 4), and when it is fully fed out, it has a movement amount that is larger than the stroke of the cartridge section 41, which will be described later.

Reference numeral 41 designates a cartridge portion for accommodating the cosmetic material a, and the rear portion 34 of the cartridge tube 33 made of a tapered cylindrical body is inserted into and removed from the fitting recess 21b, and the rear portion A plate spring cylinder 35 having a plurality of cut and raised spring pieces 35a formed in the circumferential direction is attached to the circumferential groove 34a formed in the circumferential groove 34, and the elasticity of the spring pieces 35a in the circumferential direction allows the above-mentioned fitting to occur during insertion. The inner periphery of the recess 21b is pressed to support the cartridge portion 41.

In the shaft hole 36 of the cartridge cylinder 33, a core chuck 38, which has a fitting recess 38a fitted to the rear end of the bar-shaped cosmetic material a that comes out and retreats from a core opening 37 having a slightly smaller diameter than the shaft hole 36, can freely slide. A tapered threaded hole 39 is formed at the rear end of the core chuck 38 to fit with the tapered threaded end 32 of the sliding shaft 29;
A slit notch 39a is formed on the peripheral wall of the tapered screw hole 39.
When the tapered screw end 32 is inserted into the taper screw hole 39, the threads on both tapered surfaces engage and connect with appropriate resistance.

FIG. 8 shows another embodiment of the cartridge section of the above embodiment, in which the cartridge section 41'
The cartridge cylinder 33' has an elastic tongue 35' extending in the axial direction in a recess 34'a formed in a part of the rear end 34'. The inner wall surface of the fitting recess 21b is elastically biased in the outer radial direction to removably support the cartridge portion 41'. Note that 40' is a bush.

In the cosmetic container having the above structure, the cartridge parts 41 and 41' are replaced in the same manner as in the first embodiment, but in the case of these embodiments, the leaf springs provided on the cartridge cylinders 33 and 33' are replaced. At the same time, the core chuck 38 and the sliding shaft 29 are connected by the tapered screw end 32 and the tapered screw hole 39, while being supported in the fitting recess 21a by a radial elastic pressing mechanism such as the tube 35 or the elastic tongue 35'. This is what happens when you do something.

As explained above, in the cartridge-type cosmetic rod-shaped cosmetic dispensing container of the present invention, the cartridge part fits into the fitting recess formed at one end of the main body having the dispensing mechanism.
Since the cartridge is press-fitted and supported via a radial elastic pressing mechanism provided on the cartridge side or the fitting recess side, the cartridge can be inserted and removed smoothly.

In addition, since the end of the feeding mechanism and the core chuck inside the cartridge are mated to and separated from each other at the same time as the cartridge is inserted and removed, replacement work is extremely simple. Since the part comes out of the main body by a certain amount, the cartridge can be replaced smoothly, and the practical effects of the embodiments of the present invention are extremely large.

[Brief explanation of drawings]

The drawings show embodiments of the present invention; FIG. 1 is a front sectional view of a cosmetic dispensing container in a stored state showing the first embodiment; FIG. 2 is a front sectional view of the cartridge portion;
Fig. 3 is a front sectional view of the cartridge when it is removed, Fig. 4 is a front sectional view of the cosmetic dispensing container in the stored state showing the second embodiment, and Fig. 5 is a front sectional view of the main part of the cartridge when it is removed. 6 is a perspective view of the cartridge, FIG. 7 is a perspective view of a leaf spring tube, and FIG. 8 is a perspective view of another embodiment of the cartridge. 1,21~Outer cylinder, 2,24~Threaded cylinder, 5,22
~Joint tube, 7,27~Groove tube, 9,29~Sliding shaft,
12 - Tapered end, 13 - Tip tube, 14 - Claw tube, 1
5, 41, 41'~Cartridge part, 16, 33,
33'~Cartridge tube, 18, 38~Core chuck, 19~Tapered hole, 31~Rotation knob, 32~Tapered screw end, 35~Plate spring tube, 35'~Elastic claw piece, 39~Tapered screw hole, a~ Bar-shaped cosmetics.

Claims (1)

[Scope of Claims] 1 (A) A well-known reciprocating mechanism comprising a fitting recess at the tip, a sliding shaft movable back and forth from the inside of the fitting recess toward the mouth end, and a sliding shaft configured in the cylinder. (B) a main body including an outer cylinder that allows the sliding shaft to move forward and backward within a certain range by an operating mechanism; A rod-shaped cosmetic is fixed to one end of the cartridge cylinder, which is slidably inserted into the shaft hole of the cartridge cylinder and extends and retracts from a core opening having a smaller diameter than the shaft hole at the tip of the cartridge cylinder. A core chuck is removably fitted to the tip of the sliding shaft, and the core chuck is fixed to the rear end of the cartridge cylinder to prevent the core chuck from being pulled out toward the rear end, and has a through hole for the sliding shaft. The position of the sliding shaft when the sliding shaft is advanced and the tip of the core chuck starts to come into contact with the core opening of the cartridge cylinder is the maximum advance of the sliding shaft. A cartridge-type, rod-shaped cosmetic dispensing container characterized in that it is configured to be located inward from the mouth end.