JP3288864B2 - Stick-shaped cosmetic dispensing container - Google Patents

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 dispensing container.

[0002]

[Prior art]

As shown in Japanese Utility Model Application Laid-Open No. 4-80416, a stick-shaped cosmetic dispensing container such as a lipstick has a guide cylinder having a vertically-slit groove except for an upper cylinder except a normal base cylinder. A main cylinder, a female screw cylinder rotatably fitted to the outer surface of the guide cylinder by engaging the upper end surface with a lower surface of an engaging ridge provided on an outer surface of an upper end of the guide cylinder, and into the guide cylinder. A rod-shaped cosmetic product mounting cylinder in which the engagement pin is projected from the outer surface of the short cylinder portion slidably fitted into the vertical groove, and the pin tip is engaged in the thread groove of the female screw cylinder. It is formed with.

[0003]

Generally, in a stick-shaped cosmetic dispensing container, a stick-shaped cosmetic is dispensed by rotating a base cylinder portion of a main cylinder in a forward direction. There was a so-called thrush phenomenon that fell. The dullness phenomenon is originally caused by rattling of the stick cosmetic with respect to the mounting cylinder, rattling of the mounting cylinder with respect to the female screw cylinder due to the difference in diameter between the screw groove and the engaging pin, and rattling of the female screw cylinder with respect to the guide cylinder. However, the first two cases have been almost completely solved recently, and have recently been mostly due to backlash of the female screw tube with respect to the guide tube portion.

[0004] In order to prevent the occurrence of thuds, the above-mentioned prior art container has an upward step formed by making the outer diameter of the base cylinder larger than the outer diameter of the guide cylinder, and a projection provided on the upward step and a guide cylinder are provided. The female screw cylinder is sandwiched by the lower surface of the engaging ridge provided on the outer surface of the upper end of the female screw cylinder, and a projection is provided on the inner surface of the female screw cylinder to contact the outer surface of the guide cylinder portion. Because of the dimensional error, looseness is likely to occur due to dimensional error, and in the latter case, the allowable range of the radial dimensional error is small. There was an easy defect.

[0005] Claim 1 is the invention shown is a mating projection of width narrow in either one tubular portion of each upper portion of the guide tube portion and the female screw tube, the other tube portion width narrower grooves, respectively Around
By fitting the fitting ridge into the groove, it is provided so that the dimensional error between the fitting ridge and the groove can be reduced and the vertical play of the female screw cylinder with respect to the guide cylinder portion can be removed, According to a second aspect of the present invention, in addition to the configuration of the first aspect of the present invention, the outer diameter of the main cylinder base cylinder portion below the guide cylinder portion is reduced, and a plurality of elastic members are inclined downward and outward from the lower end of the guide cylinder portion. By projecting the piece, the lower inner surface of the metal decorative tube integrally fitted and fixed to the outer surface of the female screw cylinder is elastically pressed against the outer surface of the lower end portion of the elastic piece, and the diameter of the lower portion of the female screw tube with respect to the lower portion of the guide cylinder portion It is provided so that the backlash in the direction can be eliminated at the same time. In addition, if the female screw cylinder upper part is provided with a play in the radial direction relative to the upper part of the guide cylinder part, the main cylinder is made of synthetic resin, and one of the vertically split grooves formed on the left and right sides of the guide cylinder part is opened to the upper end surface of the cylinder part. Due to the different shrinkage conditions during cooling, etc.
Since the upper portion of the guide cylindrical portion having the letter-shaped shape has a slightly larger diameter than the lower portion of the circular cross section, it is not necessary to consider that the upper portion of the female screw cylinder has a play in the radial direction.

[0006]

Means for Solving the Problems Except for the base tube portion 2 formed by the lower tube portion, the tube portion above the base tube portion has vertically split grooves 4, 4 on both left and right portions and one vertically split portion. The upper end of the groove is a main cylinder 1 made of synthetic resin, which is a guide cylinder portion 3 that is open to the upper end surface of the cylinder portion, and a female screw cylinder 10 rotatably fitted to the outer surface of the guide cylinder portion.
And a short cylindrical portion 16 slidably fitted in the guide cylindrical portion.
Insert from the outer surface into the vertical split grooves 4 and 4
17 and 17 and project the pin tip into the thread groove 1 of the female screw cylinder 10.
In the rod-like cosmetic feed container formed by a rod cosmetic mounting tube 15 which is engaged into the 2 and 12, the fitting of Habasema to any one of the cylindrical portion of each top of the guide tube portion 3 and the female screw cylinder 10 The ridge 6 is provided with a narrow groove 11 around the other cylindrical portion, and the fitting ridge 6 is fitted into the groove 11 so as to be rotatable and vertically movable.

In addition to the above structure, the base cylinder portion 2 is formed as a small outer diameter cylinder that hangs down from the lower end of the guide cylinder portion 3 through the inward flange-like wall 7, and the outer circumference of the lower end of the guide cylinder portion 3 is obliquely moved downward. A plurality of elastic pieces 8 are protruded in the direction, and a metal decorative cylinder 13 is integrally fitted and fixed to the outer surface of the female screw cylinder 10 so that the lower end outer surface of each elastic piece is elastically attached to the inner wall surface at the lower end of the decorative cylinder. It was pressed.

[0008]

[Function] A fitting ridge 6 is provided on the outer surface of the upper part of the guide cylinder 3.
Is fitted into the groove 11 provided on the upper inner surface of the female screw cylinder 10 so as to be rotatable and immovable up and down to prevent rattling of the female screw 10 in the vertical direction. The outer surfaces of the lower end portions of the plurality of elastic pieces 8 projecting outward are provided with female screw cylinders 10.
The lower end portion of the female screw tube is prevented from being loosely attached to the lower portion of the guide tube portion by elastically pressing against the inner surface of the lower end portion of the metal decorative tube 13 integrally fitted and fixed to the outer surface.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 denotes a main cylinder integrally formed of a synthetic resin material. Except for a base cylinder 2 formed by a lower portion of the main cylinder, an upper cylinder is a guide cylinder 3. Vertically dividing grooves 4 and 4 are formed in both the left and right portions of the guide cylinder, while the vertically dividing grooves are opened to the upper end surface of the cylindrical portion as shown in FIG. Engagement ridges 5 and 5 are provided on the outer surface of the upper end portion and the outer surface of the lower end portion of the guide tube portion, respectively. A narrow fitting ridge 6 is provided around the outer surface of the guide cylinder. The base tube 2 is formed of a small outer diameter tube that hangs from the lower end of the guide tube 3 via an inward flanged wall 7. A plurality of elastic pieces 8 project obliquely downward and outward from the outer periphery of the lower end of the guide cylinder 3, and ridges 9 are laterally provided on outer surfaces of lower ends of the elastic pieces.

A female screw cylinder 10 is fitted on the outer surface of the main cylinder 1 by being positioned between the above-mentioned upper and lower engaging projections 5 and 5. A narrow groove for fitting the above-mentioned fitting ridge 6 on the upper inner surface of the female screw cylinder.
The female screw cylinder 10 is fitted to the guide cylinder part 3 so as to be rotatable and vertically immovable. A metal decorative tube 13 is integrally fitted and fixed to the outer surface of the female screw tube, and the decorative tube hangs down to below the lower end of the female screw tube, and the above-described elastic pieces 8 The outer surface of the lower end is elastically pressed.

Reference numeral 15 denotes a rod-shaped cosmetic mounting tube fitted in the guide tube portion 3 described above. The short tube portion 16 is slidably fitted in the guide tube portion and is inserted into the vertically split grooves 4. The engaging pins 17, 17 are protruded by being inserted, and the tips of the pins are screwed into the thread grooves of the female screw cylinder 10.
Engage into 12,12. A vertical rib 18 and a protrusion 19 for securely holding the bar-shaped cosmetic are provided on the inner surface of the short cylindrical portion 16.

Numeral 25 denotes a knob tube which is fixed to the base tube portion 2 and which raises the peripheral wall 27 from the peripheral edge of the bottom wall 26. The lower portion of the decorative tube 13 is rotatably fitted into the peripheral wall 27. In the illustrated example, a fitting cylinder 29 having an engaging ridge 28 extending from the bottom wall 26 to the outer surface of the upper end is provided.
And the lower surface of the engagement ridge 28 is engaged with the upper surface of the engagement ridge 2a on the inner surface of the lower portion of the base cylinder portion, and the rib vertically provided on the inner surface of the lower portion of the peripheral wall.
30 is non-rotatably engaged between the non-slip protrusions 2b on the outer surface of the base cylinder portion. By providing the knob cylinder, even if the length of the base cylinder portion is shortened, the feeding-out operation does not become inconvenient. Therefore, by shortening the base cylinder portion and providing the guide tube long, it is possible to enter the guide cylinder. The length of the stored bar-shaped cosmetics can be increased.

Reference numeral 31 denotes a cap having a lower portion of the peripheral wall 32 fitted to the outer surface of the small outer diameter portion above the knob 25. Of the above-described members, all members other than the decorative cylinder 13 are made of synthetic resin.

In the illustrated example, the fitting projection 6 is provided on the guide cylinder side and the groove 11 is provided on the female screw cylinder side. However, the fitting projection may be provided on any of them, and the groove may be provided on the other.

[0015]

Effects of the Invention The present invention has the above configuration, one of the cylindrical portion of each upper portion of the female screw cylinder 10 to be fitted to 3 and the cylindrical outer face guide tube portion in the case of claim 1 the invention A narrow fitting ridge 6 and a narrow groove 11 in the other cylindrical portion are circumferentially provided, and the fitting ridge 6 is fitted into the groove so as to be rotatable and immovable up and down. Since the female screw cylinder 10 cannot be moved up and down with respect to the guide cylinder part 3 by the fitting of the narrow fitting ridge and the groove, the upper end face of the female screw cylinder and the lower end face thereof are lowered as in the conventional example described above. Unlike the case where the end face is to be clamped between the lower surface of the engaging ridge above the guide cylinder and the projection attached to the lower upward step, even if a dimensional error occurs, the difference is extremely small. This can prevent rattling of the female screw cylinder. Also, the fitting ridge 6 and the groove 11 are connected to the guide cylinder 3 and
By providing it on each upper part of the female screw cylinder 10,
By using the vertical split groove 4 of the open end groove, the upper part of the guide cylinder is
Since it is possible to pursue against elasticity and reduce the outer diameter,
The work of fitting the strip 6 into the groove 11 can be easily performed.
You.

In the case of the second aspect of the present invention, in addition to having the structure and effect of the first aspect of the present invention, a plurality of elastic pieces 8 are projected from the outer periphery of the lower end of the guide tube portion 3 obliquely outward to the female screw. The lower end outer surface of each of the elastic pieces is elastically pressed against the lower end inner wall surface of the metal decorative tube 13 integrally fitted and fixed to the outer surface of the tube 10. This has the effect that it can be reliably prevented.

[Brief description of the drawings]

FIG. 1 is a half sectional view of the container of the present invention.

FIG. 2 is a perspective view of a main member used in the container of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Main cylinder 3 ... Guide cylinder part 6 ... Fitting ridge 8 ... Elastic piece 11 ... Groove 13 ... Makeup cylinder

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A45D 40/12 A45D 40/06

Claims (2)

(57) [Claims] 1. Except for a base cylinder part 2 formed by a lower cylinder part,
A main cylinder made of a synthetic resin, wherein a cylinder portion above the base cylinder portion is a guide cylinder portion 3 having vertically split grooves 4 and 4 on both left and right portions and an upper end of the vertically split groove being opened to an upper end surface of the cylinder portion. 1, a female screw tube 10 rotatably fitted to the outer surface of the guide tube portion, and a short tube portion 16 slidably fitted into the guide tube portion. Through, and project the engagement pins 17, 17
In the rod-shaped cosmetic dispensing container formed by the rod-shaped cosmetic loading tube 15 having the pin tip engaged with the threaded grooves 12 of the female screw cylinder 10, the upper part of the guide cylinder part 3 and the female screw cylinder 10
A narrow fitting ridge 6 is provided on one of the cylindrical portions, and a narrow groove 11 is provided on the other cylindrical portion, and the fitting ridge 6 is rotatable into the groove 11, A stick-shaped cosmetic dispensing container characterized in that it is fitted so as not to move up and down. 2. The base cylinder part 2 is formed as a small outer diameter cylinder that hangs down from the lower end of the guide cylinder part 3 via an inward flange-like wall 7, and a plurality of diagonally downward from the outer periphery of the lower end of the guide cylinder part 3. An elastic piece 8 is protruded, and a metal decorative cylinder 13 is integrally fitted and fixed to the outer surface of the female screw cylinder 10, and the outer surface of the lower end of each elastic piece is elastically pressed against the inner wall surface of the lower end of the decorative cylinder. The stick-shaped cosmetic dispensing container according to claim 1, characterized in that: