JP3068433B2 - Makeup tool with brush - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic tool with a brush, and more particularly to a cosmetic tool having a mechanism for adjusting the amount of cosmetics such as mascara.

[0002]

2. Description of the Related Art Conventional mascara makeup tools generally include a cap, a shaft extending longitudinally from the inside of the cap,
The brush comprises a brush provided at the tip of the shaft, and a body for accommodating the brush and storing the mascara.
Although they vary in color, size and shape, they are generally preferred to be compact for convenience in carrying.

In use, the user first moves the cap left, right, back and forth with the brush housed inside the main body in order to sufficiently attach the mascara to the brush inside the main body. The user then pulls the cap out of the body in the length direction. At this time, most of the mascara attached to the brush is scraped off by an ironing member provided inside the main body. Finally, the user applies mascara attached to the brush to his or her eyelashes. The user
By repeating the above operation several times, makeup according to preference can be performed.

[0004] However, this conventional method is very time-consuming and troublesome for the user, and has a problem in that the durability of the joint portion between the cap and the main body is reduced by repeatedly inserting and removing the cap. . In addition, when an attempt is made to provide a mechanism for adjusting the amount of cosmetics in a conventional cosmetic tool, an undesired result of changing the design and increasing the cost due to the complicated internal mechanism has been led.

[0005]

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a brush-equipped cosmetic tool with a simple mechanism for adjusting the amount.

Another object of the present invention is to provide a brush-equipped cosmetic tool with an amount adjusting mechanism which is low in manufacturing cost.

Another object of the present invention is to provide a brush-equipped cosmetic tool provided with a quantity adjusting mechanism without changing the design.

[0008]

In order to achieve the above object, a cosmetic tool according to the present invention has the following means.

A cosmetic tool according to the present invention is a brush-equipped cosmetic tool comprising an outer cap, a shaft extending from the outer cap having a brush fixed to a tip, and a main body for accommodating the brush-equipped shaft. A cylindrical screw member extending from the opening end of the main body, having a male screw formed on the outside and a female screw formed on the inside; and a screw member formed on the inside of the screw member. A shaft cylinder having a male screw formed on the outside and a guide hole having a polygonal cross section on the inside.

Further, the shaft of the makeup tool according to the present invention has a portion having a polygonal cross section in at least one place, and the polygonal portion fits inside the shaft cylinder.

Further, the makeup tool according to the present invention has a squeeze inside the main body, and an ironing portion of the squeeze is engaged with one end of the shaft cylinder.

[0012] More preferably, the mouth screw member of the cosmetic tool according to the present invention has a polygonal guide hole inside near the opening end.

Still further, the makeup tool according to the present invention is a cylindrical lock shaft mounted coaxially with the shaft, and a cross-sectional shape near an open end of the lock shaft fits inside the mouth screw member. It may also include a lock axis where the outside is polygonal and the inside is circular.

Further, the cosmetic device according to the present invention may include a knob connected to the shaft for rotating the shaft.

[0015] More preferably, the exterior cap of the cosmetic tool according to the present invention has a protruding portion inside near the opening end thereof, and the protruding portion is screwed with a thread groove of an external thread portion outside the mouth screw member. By doing so, the exterior cap can be fixed to the main body.

Preferably, the body and the outer cap portion of the cosmetic tool according to the present invention are made of metal or resin.

[0017]

In operation, the user rotates the knob at the tip of the cap to adjust the amount of mascara in advance, then pulls out the brush and attaches it to eyelashes or the like. If the user changes the rotation angle of the knob according to his preference, the rubbing resistance changes and the amount of mascara attached to the brush can be changed.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a sectional view of a preferred embodiment of a brush-equipped cosmetic tool according to the present invention. FIG. 1A is a longitudinal sectional view of the preferred embodiment. As shown in FIG. 1 (A), a cosmetic tool 1 according to the present invention comprises an outer cap 2, a shaft 11 extending in the longitudinal direction from the inside of the cap rotatably mounted at one end inside the cap, Brush provided at the tip of the shaft
And a main body 12 for accommodating the brush and storing mascara.

The shaft 11 has a rear portion 28 inside the outer cap,
It comprises a central portion 27 near the coupling portion between the cap and the main body, and a tip portion 26 coupled to the brush 13. The vicinity of the tip of the shaft 11 is made of a flexible resin or the like, and serves to flexibly move the brush 13 connected to the tip. The shape of the tip is preferably cylindrical, but may be thin or prismatic. The shaft center portion 27 has a tapered prism shape with a polygonal cross section. The shape is preferably a regular octagonal prism, but any prism other than a cylinder may be used. The rear part 28 of the shaft has a cylindrical shape, and has an O-ring 1
Sealed by 5.

In the vicinity of the opening of the main body 12, there is provided a cylindrical mouth screw member 7 which extends outward from the main body in the length direction. FIG. 1C shows an end view and a longitudinal sectional view of the mouth screw member 7. The mouth screw member includes a holding body 22 and a cylindrical body 24. A guide hole with a polygonal cross section inside the open end of the gripper 22
Form 21. A female screw 23 is threaded from the guide hole 21 to the inside to the entrance of the cylindrical body 24. On the outside of the gripping body 22, a male screw 25 is threaded up to the vicinity of the cylindrical body. Tube 24
Has a cylindrical shape with a circular cross section, and its side wall 29 is
Inscribe with. An annular peripheral edge 30 is formed in the vicinity of the joint between the side wall 29 and the gripping body 22, and the mouth screw member 7 is provided inside the main body 12 so that the surface thereof coincides with the opening end surface of the main body 12. You.

Inside the cylindrical body 24 of the mouth screw member 7, a sword 9 made of an elastic material such as rubber is provided. Preferably, the squeeze packing 10 is fitted and fixed between the main body 12 and the cylindrical body 24 near the other end of the cylindrical body 24. The squeeze 9 and the squeeze packing 10 may be an integral type, or may be the squeeze 9 alone.

A slide shaft cylinder 8 is provided inside the mouth screw member 7.
Are screwed and provided internally. FIG. 1B shows the slide shaft cylinder 8.
It shows an end view and a longitudinal section. The slide shaft cylinder 8 is a gripper 18
And a cylindrical body 19. The inside of the gripper 18 has a guide hole 17 having a polygonal cross section and a taper so as to fit with the central portion 27 of the shaft 11.
To form On the outside of the gripping body 18, a male screw 20 is threaded to the vicinity of the cylindrical body 19 so as to be screwed with the mouth screw member 7. On the other hand, the cylindrical body 19 is a cylinder having a circular cross section, and the other end is engaged with the squeeze piece of the squeeze 9. An annular inclined surface 31 is formed inside the vicinity of the joint between the gripping body 18 and the cylindrical body 19 so as to engage with the tapered inclined surface of the central portion 27 of the shaft 11.

As shown in FIG. 1A, a cylindrical lock shaft 6 is mounted outside the shaft rear portion 28. The lock shaft 6 is sealed to the inner plug 3 by an O-ring 4. One end of the lock shaft 6 is fixed to the outer cap 2, and the other end is the mouth screw member 7.
Fits. The vicinity 32 of the opening end of the lock shaft 6 forms a cylindrical body having a polygonal outer section and a circular inner side so as to fit with the guide hole 21 of the mouth screw member 7. The packing 5 is attached so as to surround the lock shaft and engage with the open end of the mouth screw member 7.

A knob 14 is provided at the tip of the exterior cap 2. The knob 14 is connected to the rear end of the shaft 11,
By turning 14, the shaft 11 rotates. A projection 16 is formed near the opening of the exterior cap 2, and the projection 16 is screwed with the male screw 25 of the mouth screw member 7 as the cap rotates.

As can be seen from FIG. 1A, according to the cosmetic tool 1 of the present invention, the amount of mascara adhering to the brush can be adjusted very easily. First, when the knob 14 is rotated, the shaft 11 rotates by the rotation angle of the knob. At this time, the lock shaft 6 also tries to rotate together with the shaft 11 due to frictional force. However, since the vicinity 32 of the open end of the lock shaft 6 is fitted with the guide hole 21 of the mouth screw member 7, the rotation is suppressed, and As a result, the entire outer cap 2 does not rotate. On the other hand, the slide shaft cylinder 8 rotates by the same rotation angle in the same direction as the rotation of the shaft 11 to fit with the shaft center portion 27 as described above. Since the slide shaft cylinder 8 is also screwed with the mouth screw 7 as described above, the slide shaft cylinder 8 slowly starts moving parallel to the brush direction while rotating. Due to the movement of the slide shaft tube 8, the squeeze portion of the squeeze 9 is pressed, and the squeeze radius increases. As a result, the squeezing resistance is reduced, and the mascara attached to the brush does not have to be scraped off too much. On the other hand, if the knob is rotated in the reverse direction, the amount of mascara adhering to the brush is reduced due to the reverse operation. FIG. 2 shows these states.

FIG. 2 is an enlarged cross-sectional view of the amount adjusting mechanism of the makeup device according to the present invention, and shows how the squeezing resistance changes according to the rotation angle of the knob. The same reference numerals as those used for each member in FIG. 1 are used for the corresponding members in FIG. FIG. 2A shows an initial state before the knob is rotated. Fig. 2 (B) shows the knob 180
9 shows the shape of the squeeze part and the squeeze radius when rotated. FIG. 2C shows the squeeze portion shape and the squeeze radius when the knob is rotated up to 360 °. As is clear from the figure, (A) to (B), (B) to (C)
As the rotation angle of the knob increases, the squeeze radius increases, and as a result, the squeeze resistance decreases.

As described above, according to the present invention, there is provided a novel brushed cosmetic tool having a mascara amount adjusting mechanism. According to the present invention, a mechanism capable of finely adjusting the ironing resistance by simply turning the knob has been successfully provided. Further, the cosmetic tool according to the present invention has a simple operation and a compact mechanism, and therefore does not involve a change in design as compared with the conventional product. Furthermore, the cosmetic tool according to the present invention can be manufactured from various materials such as metal or resin, and can be processed without any particular limitation on the material. Furthermore, the simplicity of the cosmetic tool according to the invention does not result in increased costs.

[Brief description of the drawings]

1A is a cross-sectional view of a preferred embodiment of a cosmetic tool according to the present invention, FIG. 1B is a longitudinal sectional view and an end view of a slide shaft tube part of the preferred embodiment, and FIG. It is a longitudinal section and an end view of a mouth screw member of an example.

FIG. 2A is a partial longitudinal sectional view and a transverse sectional view of a preferred embodiment of the present invention showing a state of an ironing portion at a fixed position, and FIG. 2B is a book when a knob is rotated by 180 °. It is a partial longitudinal section and a transverse section of a preferred embodiment of the present invention, and (C) is a partial longitudinal section and a transverse section of the preferred embodiment of the present invention when the knob is rotated 360 °.

Claims (6)

(57) [Claims] 1. A cosmetic tool with an amount adjusting mechanism comprising an outer cap, a brush-equipped shaft extending from the outer cap having a brush fixed to a tip, and a main body accommodating the brush-equipped shaft from an open end. In the body body, a) a screw member having a female screw formed inside; b) a tapered shape toward the inside; A squeeze for pressing the brush, having a hole with a radius, wherein the inside of the mouth screw member has a male screw externally screwed with a female screw of the mouth screw member, and a cross section on the inside. A slide shaft cylinder having a polygonal guide hole and through which the brush-equipped shaft can pass is disposed, and the brush-equipped shaft passes through the slide shaft cylinder and engages with the hole of the squeeze portion. After that, with the guide hole of the polygonal cross section A fitting portion having a polygonal cross section to be fitted is provided on the shaft with a brush, and the shaft with the brush passes through the slide shaft cylinder to fit the guide hole with the polygonal cross section and the fitting portion. Then, when the brushed shaft is relatively rotated with respect to the main body, the slide shaft barrel fitted to the brushed shaft rotates and moves within the mouth screw member and comes into contact with the shigoki. The cosmetic tool with an amount adjusting mechanism according to the above, wherein the squid radius of the squid hole changes. 2. The cosmetic tool with an amount adjusting mechanism according to claim 1, wherein the brushed shaft is rotatably provided in the outer cap, and is provided at a rear end of the brushed shaft. A cosmetic tool with an amount adjusting mechanism, wherein a knob protrudes from a rear end of the exterior cap, and the knob can rotate the brushed shaft. 3. The cosmetic tool with an amount adjusting mechanism according to claim 2, wherein a part of the inside of the mouth screw member has a polygonal cross section, and a part of the shaft with the brush is rotatably housed. Is provided inside the exterior cap, the tip of the lock shaft, which is opposite to the rear end of the exterior cap, has the same cross-sectional polygon as the cross-sectional polygon of the mouth screw member, When the exterior cap is attached to the main body, the fitting portion of the shaft with the brush fits into the guide hole of the slide shaft, and the polygonal section at the tip of the lock shaft is the mouth screw member. Wherein the lock shaft and the mouth screw member are integrated with each other so as to be fitted into the polygonal cross-section. 4. The cosmetic tool with an amount adjusting mechanism according to claim 3, wherein an O-ring is arranged between the lock shaft and the shaft with a brush. 5. The cosmetic tool with an amount adjusting mechanism according to claim 4, wherein a part of the mouth screw portion extends from the opening end of the main body, and a male screw is formed outside the opening. On the inner side of the front end of the exterior cap, there is a projection that is screwed with the male screw of the mouth screw portion, and an O-ring is arranged between the lock shaft and the exterior cap. When the external cap and the main body are rotated relative to each other by being screwed with a male screw portion outside the mouth screw member, the external cap is attached to the main body. 6. The cosmetic tool with an amount adjusting mechanism according to claim 1, wherein the exterior cap and the main body are made of metal or resin.