JPH08187123A - Rod-like cosmetic container - Google Patents

Abstract

PURPOSE: To provide a rod-like cosmetic container which generates a suitable torque so as to exhibit a use feeling during rotation thereof, and which can smoothly pay out a rod-like cosmetic. CONSTITUTION: A rod-like cosmetic container is composed of a pay-out cylinder 2 for holding a rod-like cosmetic 8 which is fitted in a bottomed cylinder 1 so that protrusions 9 projected from the outer peripheral surface of the pay-out cylinder 2 at opposite sides are engaged in longitudinal holes 5a, 5b formed in the peripheral wall of the bottomed cylinder 1 at opposite sides, and an outer cylinder which is fitted on the bottomed cylinder 1 so that the protrusions 9 projected through the longitudinal holes 5a, 5b from the bottomed cylinder 1 are engaged in a spiral groove 11 formed in the inner peripheral surface of the outer cylinder 3. Accordingly, the outer peripheral surface of the peripheral wall of the bottomed cylinder 1 is formed thereon with slidable protrusions 7 adapted to slide along the inner peripheral surface of the outer cylinder 3, and the outer peripheral surface of the pay-out cylinder 2 is formed thereon with slidable protrusions 10 adapted to slide along the inner peripheral surface of the peripheral wall of the bottomed cylinder 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stick-shaped cosmetic container for dispensing stick-shaped cosmetics such as lipsticks, lip balms, and ticks from the container.

[0002]

2. Description of the Related Art Generally, as a container for a stick-shaped cosmetic such as lipstick, a container as shown in FIG. 16 is used. That is, this container has a feeding cylinder 32 having guide projections 31 projecting on both sides, an inner cylinder 34 having vertical holes 33 bored on both sides, and two spiral grooves 36 on the inner peripheral surface. An engraved outer cylinder 35 and a cap 37 attached to the outer cylinder 35 are provided. This container has an inner cylinder 34 that is inserted through the vertical hole 33.
It is assembled by fitting the outer cylinder 35 onto the outer peripheral surface of the inner cylinder 34 while engaging the spiral groove 36 with the guide protrusion 31 protruding from the inner cylinder 34. In the figure, 38 is a delivery cylinder 32.
It is a stick-shaped cosmetic fixed to the. When this container is used, the outer cylinder 35 and the inner cylinder 34 are rotated relative to each other so that the rotation causes the spiral groove 36 of the outer cylinder 35 and the vertical hole 33 of the inner cylinder 34 to move up and down. The guide projection 31 that is engaged with the vertical hole 33 and the spiral groove 36.
Is positioned at the intersection, the feeding cylinder 32 moves up and down following the vertical movement of the intersection. As a result, the stick-shaped cosmetic material 38 is delivered or stored from the upper end opening of the inner cylinder 34.

[0003]

However, in the above container, between the outer peripheral surface of the feeding cylinder 32 and the inner peripheral surface of the inner cylinder 34, and between the outer peripheral surface of the inner cylinder 34 and the inner peripheral surface of the outer cylinder 35. Since there is a clearance (a minute gap) between them, when the outer cylinder 35 is rotated during use, the frictional resistance between the inner cylinder 34 and the outer cylinder 35 is small, and the torque during the rotation operation is too small. Therefore, the weight at the time of rotation is hardly transmitted to the fingers as a feeling, and there is a problem that the feeling of use is bad. Moreover, in this container, when the minute gap is slightly increased, rattling occurs between the inner cylinder 34 and the outer cylinder 35 during rotation, and the inner cylinder 34
There is also a problem that the rod-shaped cosmetic cannot be smoothly fed out because the delivery cylinder 32 is twisted inside. Especially when the dimensional accuracy of each part deteriorates a little, this tendency appears strongly,
There is also a problem that the number of defective products increases.

The present invention has been made in view of the above circumstances, and provides a stick-shaped cosmetic container which has a suitable torque at the time of rotation and has a good feeling of use, and which can smoothly dispense the stick-shaped cosmetic. Is its purpose.

[0005]

In order to achieve the above object, the stick-shaped cosmetic container according to the present invention has a guide projection that is provided on a portion of the outer peripheral surface of the delivery cylinder for holding the stick-shaped cosmetic material, which is provided on the opposite side of the outer circumferential surface. A guide projection that is housed in the bottomed cylindrical body by engaging with a vertical hole that is bored in the peripheral wall portion of the bottomed cylindrical body and that projects from the bottomed cylindrical body through the vertical hole. Is a bar-shaped cosmetic container in which the outer cylinder is externally fitted to the bottomed cylindrical body by engaging a spiral groove provided on the inner peripheral surface of the outer cylinder,
A protrusion is provided on the outer peripheral surface of the peripheral wall portion of the bottomed cylindrical body in sliding contact with the inner peripheral surface of the outer cylinder, and the outer peripheral surface of the feeding cylinder is in sliding contact with the inner peripheral surface of the peripheral wall portion of the bottomed cylindrical body. The protrusion is formed.

[0006]

That is, in the stick-shaped cosmetic container of the present invention, the guide projections projecting from the outer peripheral surface of the delivery cylinder for holding the stick-shaped cosmetic material are provided on the peripheral wall of the bottomed cylindrical body. The feeding cylinder is housed in the bottomed cylindrical body by engaging with the vertical hole that is bored, and the guide protrusion protruding from the bottomed cylindrical body through the vertical hole is provided on the inner peripheral surface of the outer cylinder. This is a stick-shaped cosmetic container in which the outer cylinder is fitted onto the bottomed cylindrical body by engaging with the groove. And, a protrusion that is in sliding contact with the inner peripheral surface of the outer cylinder is provided on the outer peripheral surface of the peripheral wall portion of the bottomed cylindrical body, and the inner peripheral surface of the peripheral wall portion of the bottomed cylindrical body on the outer peripheral surface of the delivery cylinder. A protrusion capable of sliding contact is formed. Therefore, the bottomed cylindrical body slides and rotates with appropriate resistance to the inner peripheral surface of the outer cylinder by the protrusion formed on the outer peripheral surface thereof, while the delivery cylinder is formed on the outer peripheral surface thereof. The protruding portion slides up and down on the inner peripheral surface of the bottomed cylindrical body with appropriate resistance. Therefore, an appropriate torque is generated during the turning operation, the weight at the time of turning is transmitted to the fingers, and the usability is improved. Moreover, in this stick-shaped cosmetic container, even if the minute gaps formed between the respective parts become slightly large, the tips of the protrusions are surely brought into sliding contact with each other, so that the bottomed cylindrical body and the outer cylinder are rotated. It is possible to smoothly feed the stick-shaped cosmetic material without causing rattling between the base material and the base material and without twisting the supply cylinder in the bottomed cylindrical body. Therefore, even if the dimensional accuracy of each component is somewhat poor, the rotating operation can be performed smoothly, and the number of defective products is reduced.

Next, the present invention will be described in detail based on embodiments.

[0008]

1 and 2 show an embodiment of a stick-shaped cosmetic container according to the present invention. This stick-shaped cosmetic container comprises a plastic bottomed cylindrical body 1, a plastic feeding cylinder 2 for holding a stick-shaped cosmetic 8 housed in the bottomed cylindrical body 1, and the bottomed cylindrical body 1. The outer cylinder 3 is fitted over the outer cylinder 3, and the plastic cap 4 is capped on the outer cylinder 3.

More specifically, the bottomed cylindrical body 1 is
As shown in FIGS. 3 to 7, it has an upper small-diameter portion and a lower large-diameter portion. Vertical holes 5a and 5b extending from the bottom to the lower end are formed, and both vertical holes 5a and 5b are formed.
Horizontal holes 6 are formed in the upper and lower ends of a and 5b in the circumferential direction. One of the vertical holes 5a and 5b has a vertical end that is notched at the upper end toward the upper end opening. Further, on the outer peripheral surface of the small-diameter portion, an oval-shaped sliding contact protrusion 7 extending in the vertical direction is provided on both the vertical holes 5a, 5b.
Two portions are formed in each of the space portions, and window portions 13 are formed to face each other at slightly front and rear side portions of the peripheral wall, and an annular protrusion 1a is formed on the outer peripheral edge of the upper end opening portion. There is.
A grip portion 1b is formed on the lower portion of the large-diameter portion, and three engaging projections 12 that engage with the opening edge of the cap 4 are formed on the outer peripheral surface of the upper step portion.

The feeding cylinder 2 is formed in a cylindrical shape and is shown in FIGS.
As shown in FIG. 11, cylindrical guide projections 9 are provided at the front and rear opposite portions of the outer peripheral surface thereof so as to engage with the vertical holes 5a and 5b of the bottomed cylindrical body 1 in a vertically movable manner. The projecting length of both guide projections 9 is such that when the guide projections 9 are housed in the bottomed cylindrical body 1 while being engaged with the vertical holes 5a and 5b,
It is formed to have a length protruding from a and 5b. Further, a partition plate 2a is provided inside the delivery cylinder 2,
Protrusions 14 extending in the vertical direction are formed at four positions in the front, rear, left and right of the inner peripheral surface of the upper portion of the partition plate 2a. The feeding cylinder 2 is formed with a pair of notch grooves 15 extending upward from the lower end edge by a predetermined distance in the left and right relative portions of the peripheral wall thereof.
The portion sandwiched between 5 is formed on the elastic tongue portion 16.
The elastic tongue portion 16 is formed with a sliding contact projection 10 on its outer surface, which is in sliding contact with the inner peripheral surface of the bottomed cylindrical body 1.
A rib 17 is formed on the inner surface of the elastic tongue portion 16 and extends in the up-down direction and has a vertical cross section of an inverted triangular shape. In the figure, 2b is a through hole formed in the partition plate 2a.

As shown in FIGS. 12 and 13, the outer cylinder 3 has a large diameter portion formed at the upper end of its inner peripheral surface so as to be in sliding contact with the protrusion 1a of the bottomed cylindrical body 1. 3a and a small diameter portion on the lower side thereof, and on the inner peripheral surface of the small diameter portion,
A pair of spiral grooves 11 that engage with the pair of guide protrusions 9 in the assembled state are formed.

Such a bar-shaped cosmetic container is assembled as follows. That is, first, the bottomed cylindrical body 1
From the upper end opening, the feeding cylinder 2 is inserted so that the slidable contact projection 10 is slidably contacted with the inner peripheral surface of the bottomed cylindrical body 1 while the elastic tongue portion 16 is slightly bent inward, and the guide projection is inserted into the vertical holes 5a, 5b. 9
And the feeding cylinder 2 is housed in the bottomed cylindrical body 1 so as to be able to move up and down. At this time, the bottomed cylindrical body 1
The elastic tongue portion 16 and the sliding contact protrusion 10 of the feeding cylinder 2 can be observed from the window portion 13 formed in the elastic tongue portion 16 by inserting a thin rod or the like and pushing the elastic tongue portion 16 at its tip. Check the elastic strength of the piece 16, or press the elastic tongue 16 from the inner surface of the elastic tongue piece 16 with a thin L-shaped rod or the like to make the slide contact state between the slide contact projection 10 and the inner peripheral surface of the bottomed cylindrical body 1. You can check it. Then, the outer cylinder 3 is fitted and inserted from the upper end of the bottomed cylindrical body 1 and inserted through the vertical holes 5a and 5b, and the bottomed cylindrical body 1 is inserted.
The guide protrusion 9 protruding from the outer cylinder 3 is engaged with the spiral groove 11 on the inner peripheral surface of the outer cylinder 3 so that the outer surface of the sliding contact protrusion 7 of the bottomed cylindrical body 1 makes sliding contact with the inner peripheral surface of the outer cylinder 3. To fit on. Next, the large-diameter portion 3a at the inner peripheral edge of the opening of the outer cylinder 3 is fitted in the protruding strip 1a at the outer peripheral edge of the opening of the bottomed cylindrical body 1 in a slip-out preventing manner.

In the stick-shaped cosmetic container thus assembled, the outer cylinder 3 is rotatable relative to the bottomed cylindrical body 1, and the outer cylinder 3 is rotated relative to the bottomed cylindrical body 1. As a result, the intersection of the spiral groove 11 of the outer cylinder 3 and the vertical holes 5a, 5b of the bottomed cylindrical body 1 moves up and down with the rotation.
Then, the vertical holes 5a, 5b and the guide protrusion 9 engaging with the spiral groove 11 are inevitably positioned at the intersection, and the feeding cylinder 2 moves up and down following the vertical movement of the intersection. Further, the raised position and the lowered position of the guide protrusion 16 are the upper and lower horizontal holes 6 provided in the vertical holes 5a and 5b.
Be positioned at.

When the bar-shaped cosmetic container thus constructed is not used, the feeding cylinder 2 is lowered and the guide projection 9 thereof is positioned in the lower horizontal hole 6 of the vertical holes 5a, 5b of the bottomed cylindrical body 1. The feeding cylinder 2 is prevented from rising carelessly, and the cap 4 is externally fitted to the outer cylinder 3 in this state. Further, at the time of use, the cap 4 is removed to expose the outer cylinder 3, and the lower end of the bottomed cylindrical body 1 is rotated in one direction relative to the outer cylinder 3. As a result, the feeding cylinder 2 rises along the vertical holes 5a, 5b, and the stick-shaped cosmetic material 8 projects from the upper end opening of the outer cylinder 3 and becomes ready for use. In this way, the stick-shaped cosmetic 8
Makeup is done in.

As described above, in the above-described embodiment, the bottomed cylindrical body 1 has the outer cylinder 3 by the sliding contact projections 7 formed on the outer peripheral surface thereof.
It slides and rotates with a moderate resistance to the inner peripheral surface of
The feeding cylinder 2 slides up and down with an appropriate resistance to the inner peripheral surface of the bottomed cylindrical body 1 by the sliding contact projections 10 formed on the outer peripheral surface thereof. Therefore, an appropriate torque is generated during the turning operation, the weight at the time of turning is transmitted to the fingers, and the usability is improved. Further, in this embodiment, even if the minute gaps formed between the respective parts become a little large, the tips of the sliding contact projections 7 and 10 are surely in sliding contact with each other. The stick-shaped cosmetic material 8 can be smoothly fed out without rattling between the cylindrical body 1 and the outer cylinder 3 or the feeding cylinder 2 being twisted in the bottomed cylindrical body 1, therefore, Even if the dimensional accuracy of each part is somewhat poor, the rotating operation can be performed smoothly, and the number of defective products is reduced.

Further, in the above embodiment, the elastic tongue portion 16 is formed on the feeding cylinder 2, and the sliding contact projection 10 is formed on the outer surface of the elastic tongue portion 16, so that the feeding cylinder 2 is moved up and down. In addition, since the sliding contact projection 10 is pressed against the inner peripheral surface of the bottomed cylindrical body 1 by the elastic force of the elastic tongue portion 16, an appropriate friction resistance is given and the usability is further improved. Further, the window 13 formed in the bottomed cylindrical body 1 allows the elastic tongue portion 16 and the sliding contact projection 10 of the feeding cylinder 2 to be observed. Further, a thin rod or the like can be inserted and the tip of the elastic tongue can be inserted. The elastic strength of the elastic tongue 16 is checked by pushing the piece 16, or the elastic tongue 16 is pushed from the inner surface of the elastic tongue 16 with an L-shaped thin rod or the like so that the sliding protrusion 10 and the inner circumference of the bottomed cylindrical body 1 It is possible to check the sliding contact state with the surface. Further, when the bottomed cylindrical body 1 is manufactured by injection molding, the window portion 13 also functions as an insertion port of a jig for preventing the thin portion from being deformed into a tapered shape at the time of release. To do. By forming the sliding contact projection 7 formed on the bottomed cylindrical body 1 into an oval shape extending in the vertical direction, the strength of the thin portion of the bottomed cylindrical body 1 is improved.

14 and 15 show another embodiment of the present invention. In this bottomed cylindrical body 20, the sliding contact protrusion 7 is provided along the vicinity of the vertical holes 5a and 5b. Thereby, there is an advantage that the strength of the thin portion of the bottomed cylindrical body 1 is further improved. The other parts are the same as those shown in FIG. 1, and the same parts are denoted by the same reference numerals.

[0018]

As described above, according to the stick-shaped cosmetic container of the present invention, the bottomed cylindrical body slides on the inner peripheral surface of the outer cylinder with a proper resistance due to the protrusion formed on the outer peripheral surface thereof. On the other hand, the feeding cylinder slides up and down with appropriate resistance to the inner peripheral surface of the bottomed cylindrical body by the protrusion formed on the outer peripheral surface thereof. Therefore, an appropriate torque is generated during the turning operation, the weight at the time of turning is transmitted to the fingers, and the usability is improved. Furthermore, in the stick-shaped cosmetic container of the present invention, even when the minute gaps formed between the respective parts become slightly larger,
Since the tips of the protrusions make sure sliding contact, there is no rattling between the bottomed cylindrical body and the outer cylinder during rotation, and the delivery cylinder is not twisted inside the bottomed cylindrical body. The cosmetics can be delivered smoothly. Therefore, even if the dimensional accuracy of each component is somewhat poor, the rotating operation can be performed smoothly, and the number of defective products is reduced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a vertical sectional view of the above embodiment.

FIG. 3 is a right side view of a bottomed cylindrical body.

FIG. 4 is a left side view of the bottomed cylindrical body.

FIG. 5 is a plan view of the bottomed cylindrical body.

FIG. 6 is a cross-sectional view of the bottomed cylindrical body.

FIG. 7 is a vertical cross-sectional view of the bottomed cylindrical body.

FIG. 8 is a side view of the delivery cylinder.

FIG. 9 is a plan view of the delivery cylinder.

FIG. 10 is a view of the delivery cylinder viewed from below.

FIG. 11 is a vertical sectional view of the delivery cylinder.

FIG. 12 is a vertical sectional view of an outer cylinder.

FIG. 13 is a view of the outer cylinder as viewed from below.

FIG. 14 is a right side view showing a bottomed cylindrical body of another embodiment.

FIG. 15 is a left side view of the bottomed cylindrical body.

FIG. 16 is an exploded perspective view of a conventional example.

[Explanation of symbols]

 1 Bottomed cylindrical body 2 Delivery cylinder 3 Outer cylinder 5a, 5b Vertical hole 7 Sliding contact projection 8 Bar cosmetic 9 Guide projection 10 Sliding contact projection 11 Spiral groove

Claims (1)

[Claims] 1. A guide projection 9 projecting from a portion of an outer peripheral surface of a delivery cylinder 2 for holding a stick-shaped cosmetic material 8 which is formed on the outer peripheral surface of the delivery cylinder 2 is formed on a peripheral wall portion of a bottomed cylindrical body 1 in a relative manner. Vertical holes 5a, 5
The feeding cylinder 2 is housed in the bottomed cylindrical body 1 by engaging with b.
A guide projection 9 which is inserted through the vertical holes 5a and 5b and projects from the bottomed cylindrical body 1 is engaged with a spiral groove 11 provided on the inner peripheral surface of the outer cylinder 3 to move the outer cylinder 3 into the bottomed cylindrical body. 1 is a rod-shaped cosmetic container fitted onto the outer peripheral surface of the bottomed cylindrical body 1, and a protrusion 7 is provided on the outer peripheral surface of the peripheral wall portion of the bottomed cylindrical body 1 so as to be in sliding contact with the inner peripheral surface of the outer cylinder 3. A bar-shaped cosmetic container, characterized in that a protrusion 10 which can be slidably contacted with the inner peripheral surface of the peripheral wall portion of the bottomed cylindrical body 1 is formed on the surface.