JPH0637773Y2 - Cosmetic container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION a. Field of Industrial Application The present invention relates to a makeup device for containing a cosmetic liquid, and more particularly to a cosmetic liquid container for containing a liquid lipstick.

b. Conventional technology A lipstick solution in which a cosmetic solution, for example, a lipstick solution, is placed in a pen-shaped container, a brush is provided at a portion corresponding to the pen portion, and the lipstick solution is exuded from the brush and applied to the lips. Various types of containers have already been proposed.

For example, as shown in Japanese Utility Model Laid-Open No. 59-45022, a piston is arranged in the container, and a rotary knob is provided at the end of the container opposite to the brush, and the male screw rod of the rotary knob is attached to the female screw of the piston. What is screwed to the part is proposed.

c. Problem to be Solved by the Invention However, in this container, when the rotary knob is mistakenly rotated in the opposite direction, the piston moves backward and sucks air into the cosmetic solution. This air gradually flows out through the brush, but at that time, there arises a problem that the cosmetic solution is leached from the brush.

Furthermore, there is a risk that excessive rotation of the rotary knob may cause excess cosmetic liquid to seep out.

The present invention has been made in view of such circumstances, and an object thereof is to provide a cosmetic liquid container capable of solving the above-mentioned problems.

d. Means for Solving the Problems In order to solve the problems of the above-mentioned conventional technology, in the present invention, a cylindrical case having a hollow portion for storing a cosmetic solution and one end of the case are provided. A brush part which is provided and communicates with the hollow part, a piston which slides in the hollow part, a male screw rod which is screwed with a female screw part of the piston, and an end portion of the male screw rod integrally with each other. And a rotary knob that is coupled and inserted into the other end of the case,
A cosmetic container in which the cosmetic solution in the hollow part is pressure-fed and leached from the brush part by rotating the rotary knob to move the piston toward the brush part, and the inner surface of the hollow part of the case A groove extending in the axial direction and a protrusion provided on the outer peripheral surface of the piston, and the protrusion is fitted into the groove to constitute means for allowing the piston to move in the axial direction but preventing the rotation. Then, a plurality of locking grooves are provided on the inner peripheral surface of the end portion of the case at intervals in the circumferential direction. An elastically deformable click is projected, and a taper portion is formed on one side wall of the click, and the taper portion is brought into contact with the gentle slope of the locking groove as the rotary knob rotates in the positive direction. Click the above While pushing down, engage the adjacent engaging groove, and engage the steep surface of the engaging groove with the side wall opposite to the taper part of the click when the rotating knob is rotated in the opposite direction, and thereby the piston is moved. A ratchet mechanism is provided to prevent rotation of the rotary knob in a direction of moving the brush portion to the opposite side.

e. Embodiment Hereinafter, the present invention will be described in detail based on an illustrated embodiment.

1 to 5 show an embodiment of a cosmetic liquid container according to the present invention.

First of all, as shown in FIG. 1, this cosmetic liquid container has a cylindrical case 1, a brush portion 2 attached to one end thereof, and a piston installed in the case 1. 3 and a male screw rod 4 screwed with the female screw portion 3c of the piston 3, and a rotation knob 5 inserted into the other end of the case 1 and a reverse rotation of the male screw rod 4 are prevented. , And a ratchet mechanism 6 for restricting the amount of rotation of the rotary knob 5.

Then, when the rotary knob 5 is rotated in the forward direction (arrow direction in the figure), the male screw rod 4 is rotated, and the piston 3 screwed with this is moved to the brush portion 2 side. The lipstick liquid in the portion 1a is pressure-fed and is leached from the brush 7.

The brush part 2 has a brush 7 provided at its tip, support members 8a and 8b for supporting the brush 7, a hollow part 1a of the case 1 and the brush 7.
And a conduit 9 for communicating with.

As shown in FIG. 2, the piston 3 has a bottomed cylindrical shape, and has a protrusion 3a provided on the outer peripheral surface of the end portion on the opening side and a slit 3b extending in the longitudinal direction from the opening edge. I have it. In addition, a female screw portion 3c is screwed in the vicinity of the population. Reference numeral 10 is a sliding member that is pushed by the piston 3 and slides in the case 1.

A groove 1b extending along the axial direction is provided on the inner surface of the hollow portion 1a, and when the piston 3 is inserted into the case 1, the projection 3a is fitted into the groove 1b. ing. As a result, the piston 3 can move in the hollow portion 1a in the axial direction but is prevented from rotating.

As shown in FIG. 3, the male screw rod 4 has a large diameter portion 4a on one end side, and a spline 4b is formed on the outer peripheral surface thereof. As shown in FIG. 4, the inner peripheral surface of the rotary knob 5 is provided with a spline groove 5a corresponding to the spline 4b. Then, the spline groove 5a is fitted in the spline 4b of the male screw rod 4 so as to be integrally connected.

In the illustrated example, each of the above screws is formed as a left screw. Therefore, turn the rotary knob 5 to the right (the direction of the arrow in the figure).
When the piston 3 is rotated, the rotation of the piston 3 is blocked by the groove 1b, and the piston 3 moves toward the brush portion 2 side while sliding on the inner peripheral surface of the case 1 along the axial direction.

The ratchet mechanism 6 has a plurality of locking grooves 11 provided in the inner circumferential surface of the end portion of the case 1 at intervals in the circumferential direction, and a radially elastic portion projecting from the insertion portion 12 of the rotary knob 5. It is composed of a deformable click 13 and the click 13 is a locking groove.
It is designed to engage with 11. Further, as shown in FIG. 4, the insertion portion 12 of the rotary knob 5 is provided for insertion into the case 1, and has a cylindrical portion 12a and a ring-shaped engagement portion 12b. is doing.

The cylindrical portion 12a is formed with a cutout portion 12c having a substantially U-shaped front face so as to surround the click 13, and when the click 13 is pressed from the outside, the cutout portion 12 is moved toward the axial center of the insertion portion 12. It is supposed to be pushed. A taper portion 13a is formed on one side wall of the click 13, and the taper portion 13a is provided at a position facing the rotation side of the rotary knob 5 in the positive direction.

On the other hand, a peripheral groove 14 is formed on the inner peripheral surface of the end of the case 1, and when the rotary knob 5 is assembled to the case 1, its insertion portion
When the 12 is press-fitted into the case 1, the engaging portion 12b moves into the circumferential groove 14
The rotation knob 5 is rotatably supported by the case 1 and is prevented from coming off.
Further, as shown in FIG. 5 (II), the locking groove 11 with which the click 13 engages is located between the circumferential groove 14 and the end edge of the case 1 and divides the circumference into four equal parts. It is provided in. A gentle slope 11a and a steep slope 11b are formed on the side walls of each locking groove 11. In FIG. 1, reference numeral 15 is a cap that covers the brush portion 2.

Therefore, the male screw rod 4 is completely screwed into the piston 3, the piston 3 is housed in the case 1 together with the sliding member 10, and the rotary knob 5 is fitted into the male screw rod 4.
The rotation knob 5 is press-fitted into the case 1, and the engaging portion 12b is fitted into the circumferential groove 14
The piston 3 and the ratchet mechanism 6 are assembled by fitting to the.

Next, the operation of the cosmetic liquid container of this embodiment will be described. Now
When the rotary knob 5 is turned in the normal direction (to the right), the click 13 has its tapered portion 13a in contact with the gentle slope 11a of the locking groove 11,
Click 13 is pushed inward. Further, when the rotary knob 5 is rotated, the click 12 slides on the inner peripheral surface of the case 1 and enters the engaging groove 11 adjacent to the click 12 to be engaged. At that time, a small sound is heard, the feel is transmitted to the hand, and the rotary knob 5 is rotated by one pitch.

When the rotary knob 5 is rotated by one pitch in this way, the piston 3 is pushed toward the brush portion 2 side by a distance corresponding thereto, and the sliding member 10 also moves by the same distance accordingly, and the inside of the hollow portion 1a is moved. Lipstick liquid seeps into the brush 7 through the conduit 9. Therefore, the cosmetic solution container is used while rotating the rotary knob 5 in desired pits to adjust the amount of the lipstick solution that is leached out.

In addition, if the interval of the locking groove 11 is selected in advance, the amount of the lipstick liquid to be pumped can be adjusted by one-pitch rotation. Further, even if the rotation knob 5 is rotated in the opposite direction, that is, to the left, the click 13 engages with the steep slope 11b of the locking groove, and the rotation thereof is blocked. Therefore, there is no possibility that the piston 3 moves backward due to the erroneous operation of the rotary knob 5 to mix air into the lipstick liquid.

f. Effect of the Invention As described above, the cosmetic liquid container of the present invention is provided with the groove extending in the axial direction on the inner surface of the hollow portion of the case, and the projection on the outer peripheral surface of the piston, and the projection is fitted into the groove. Thus, the means for allowing the axial movement of the piston but preventing the rotation thereof is configured, so that the rotation of the contact piston can be reliably prevented with a simple structure.

Further, the cosmetic liquid container of the present invention is provided with a plurality of locking grooves circumferentially spaced on the inner peripheral surface of the end of the case, and these locking grooves form a gentle slope and a steep slope, while A click that is elastically deformable in the radial direction is provided on the insertion portion, and a taper portion is formed on one side wall of the click, and the taper portion is provided with the locking groove as the rotation knob rotates in the positive direction. Of the engaging groove while pressing the click to engage the adjacent locking groove, and when rotating the rotary knob in the opposite direction, the side wall of the click groove opposite to the taper portion is engaged with the locking groove of the locking groove. A ratchet mechanism is provided that engages with a steep slope to prevent rotation of the rotary knob in a direction that moves the piston to the side opposite to the brush portion, and the ratchet mechanism regulates the rotation direction of the rotary knob. Of the contact rotation knob It is possible to prevent the piston reversing the due operation, a possibility that air in the cosmetic solution in the case mixed disappears completely, cosmetic liquid can be reliably prevented from being leached from the brush in a non-use state.

Furthermore, since this ratchet mechanism gives the hand a feeling that the rotary knob rotates one pitch at a time, the excessive rotation of the rotary knob eliminates the possibility of excess cosmetic liquid leaching from the brush.

Further, since the ratchet mechanism is completed only by pushing the inserting portion of the rotary knob into the end portion of the case, there is an effect that the manufacturing can be efficiently performed.

[Brief description of drawings]

1 to 5 show an embodiment of a cosmetic liquid container according to the present invention. FIG. 1 is a vertical sectional view of the container, FIG. 2 (I),
(II) is a partially cutaway front view and side view of the piston shown in FIG. 1, respectively, and FIGS. 3 (I) and (II) are front view and side view of the male screw rod shown in FIG. 1, respectively. Figure 4 (I),
(II) is the front view and side view of the rotary knob, respectively (II)
(I) is a cross-sectional view taken along the line AA shown in FIG.
Fig. (I) is a partially enlarged view in which a part of the case is cut away, and Figs. (II) and (III) are BB shown in Fig. (I).
It is sectional drawing by the line and CC line. 1 ... Case, 1a ... Hollow part, 1b ... Groove, 2 ... Brush part, 3 ... Piston, 3a ... Protrusion, 3c ... Female screw part, 4 ... Male screw rod, 5 ... Rotation Knob, 6-ratchet mechanism, 7-brush, 8a, 8b-support member, 9-conduit, 11-locking groove, 11a-slope, 11b-steep slope, 12-rotation knob Insertion part, 12b ... Engagement part, 13 ... Click, 13a ... Tapered part, 14 ... Circumferential groove.

Front page continuation (72) Inventor Toshiyuki Kakiki 36-1, Namiki Nishi, Yuki City, Ibaraki Prefecture, Yuki City, Ibaraki Prefecture (56) References Japanese Patent Application No. 57-141192 (Act No. 59-45022) No.) and the description and drawings attached to the application of Microfilm (JP, U) Jpn. Application No. 60-63017 (Jun. Sho. 61-180773) Micro film (JP, U) of the contents of the surface

Claims (1)

[Scope of utility model registration request] 1. A cylindrical case 1 having a hollow portion 1a for accommodating a cosmetic solution, and provided at one end of the case 1,
Further, a brush portion 2 communicating with the hollow portion, a piston 3 sliding in the hollow portion, a male screw rod 4 screwed with a female screw portion 3c of the piston 3, and an end portion of the male screw rod 4. A rotary knob 5 that is integrally connected and is inserted into the other end of the case 1; and by rotating the rotary knob 5 to move the piston 3 to the brush portion 2 side,
A cosmetic liquid container in which the cosmetic liquid in the hollow portion 1a is pressure-fed to be exuded from the brush portion 2 by the case 1
A groove 1b extending in the axial direction is provided on the inner surface of the hollow portion 1a, and a projection 3a is provided on the outer peripheral surface of the piston 3, and the projection 3a
By fitting the above into the groove, a means for allowing the piston to move in the axial direction but preventing the rotation is constituted, and a plurality of locking elements are circumferentially spaced on the inner peripheral surface of the end of the case 1. Grooves 11 are provided, and gentle slanting surfaces 11a and steep slanting surfaces 11b are formed in these locking grooves, while a click 13 which is elastically deformable in the radial direction is projected on the insertion portion of the rotary knob 5, and the click 13
A tapered portion 13a is formed on one side wall of the rotary knob 5
With the rotation in the positive direction, the taper portion 13a is brought into contact with the gently inclined surface 11a of the locking groove to push down the click 13 to engage with the adjacent locking groove 11, and The taper portion 13 of the click 13 when rotating in the opposite direction
A ratchet mechanism 6 that blocks rotation of the rotary knob in a direction in which the piston 3 is moved to the side opposite to the brush portion 2 is provided by engaging a side wall opposite to a with the steep slope 11b of the locking groove. A cosmetic container characterized by being installed.