JPH0657465U - Liquid applicator with ball - Google Patents

Abstract

(57) [Summary] [Purpose] A highly volatile, low-viscosity content liquid such as cosmetic liquid is completely sealed, and there is no coating unevenness during application and the application amount can be controlled appropriately. A liquid applicator with a ball is provided. In a liquid applicator with a ball in which a ball is rotatably supported between an annular upper support and an annular lower support at a container mouth, an annular elastic valve-like object 40 is provided.
It is formed integrally with the lower support 24 so as to abut the ball 30. Alternatively, the lower support itself may be an annular elastic lower support.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a liquid applicator with a ball for applying a liquid, particularly a highly volatile, low-viscosity content liquid such as cosmetic liquid.

[0002]

[Prior art]

 A conventional liquid applicator with a ball according to the present invention has a ring-shaped upper support and a ring-shaped support so that a ball 30 for a coating member protrudes from the coating opening at the container mouth. It is rotatably supported between the lower supports. As shown in FIG. 8, such a structure is of a type in which an inner stopper 20 is fitted in a container body, and an annular upper support 23 and an annular lower support 24 are integrally formed on the inner stopper 20. Some of them are of a type in which an annular upper support 23a and an annular lower support 24a are integrally formed directly on the container body as illustrated in FIG.

Even in the conventional type illustrated in FIGS. 8 and 9, when the content liquid such as cosmetic liquid is sealed, the threaded cap of the container body and the threaded thread of the cap (FIG. 8 and FIG. (Not shown in FIG. 9) was fitted to press the ball, and the ball was brought into close contact with the annular lower support body to seal the content liquid.

However, even in this state, the fitting part of the cap by the screw does not have a sufficient sealing property, and moreover, due to the variation in each dimension of the mouth part constituting member, the contact part between the ball and the lower support is locally affected. However, since the lower support and the balls are rigid even if they are made of resin, they are not easily elastically deformed, and these slight gaps are not absorbed even by the pressing force of the balls. In some cases, the ball and the lower support may not be in complete contact with each other, and if the content liquid is a highly volatile liquid, liquid leakage due to volatilization was likely to occur.

In addition, when using the coating, after removing the cap, the container body is turned upside down, and the ball is lightly pressed against the surface to be coated with the coating opening facing downward. At this time, the content liquid flows into the space formed by the ball and the upper support and the lower support, and when the ball is lightly pressed against the surface to be coated, the ball is pressed very slightly into the coating opening, and the ball is As a result of the close contact with the lower support, there is a very small gap between the ball and the peripheral edge of the upper support at the coating opening, so that the content liquid travels on the surface of the ball from this gap and the coating opening opens. It is discharged from the ball, adheres to the exposed surface of the ball, and is continuously transferred and applied to the surface to be coated as the ball rotates. At that time, the force of pressing the ball and the method of rotating the ball are artificially adjusted to control an appropriate coating amount.

However, due to variations in the dimensions of the mouth portion constituting members, a very small gap between the ball and the peripheral portion of the upper support body may locally become large, and an annular lower support body may be formed. In addition, since the ball is a rigid body even if it is made of resin, it is hard to be elastically deformed, and it is difficult to adjust the size of this gap even by manipulating the force of pressing the ball. It was easy to get uneven coating. Particularly when the content liquid has a low viscosity, the occurrence is remarkable, and it is difficult to appropriately control the coating amount.

[0007]

[Problems to be solved by the device]

 Therefore, the present invention completely seals the highly volatile content liquid, and even with a low-viscosity content liquid, there is no coating unevenness and it is possible to appropriately control the coating amount. It is intended to provide the ingredients.

[0008]

[Means for Solving the Problems]

 The present invention applies a ball rotatably supported between an annular upper support and an annular lower support so that a part of the ball protrudes from the application opening at the container mouth. The liquid applicator with a ball as a member is configured as follows. That is, according to the present invention, the annular elastic valve-like object 40 is integrally formed with the lower support so as to contact the ball 30, and separately from this, the lower support itself is provided with the annular elastic body. What is good.

[0009]

[Action]

 When the cap is attached and the content liquid is to be sealed, the cap pushes the ball 30 downward and slightly into the coating opening. At this time, as shown in FIG. 3 and FIG. 5, the annular elastic valve-like material 40 integrally formed with the lower support is slightly elastically deformed along the curved surface of the lower portion of the ball 30, and Since a small local gap generated between the lower support and the lower support is absorbed, the ball 30 and the valve body 40 of the elastic body are completely in close contact with each other to seal the content liquid.

When using the coating, after removing the cap, the container body is inverted and the coating opening is directed downward, the content liquid is formed by the balls 30 and the upper support and the lower support. When the ball 30 is lightly pressed against the surface to be coated, the ball 30 is very slightly pushed into the coating opening, and the ball 30 is an annular elastic valve-like member integrally formed with the lower support. Since the elastic valve-like object 40 is slightly elastically deformed along the curved surface of the lower portion of the ball 30 and has a restoring force that presses the ball 30 toward the coating opening, Enables a very slight vertical movement corresponding to the amount of force pressing the ball, and the size of the slight gap between the ball 30 and the peripheral portion of the upper support can be artificially adjusted. The content liquid is transmitted from the gap to the surface of the ball 30 and discharged from the coating opening, adheres to the upper surface of the ball 30, and is continuously transferred and coated on the surface to be coated as the ball 30 rotates.

In addition, when the lower support body itself is changed from a conventional rigid body to a ring-shaped elastic body, it is the same as the elastic body valve-shaped material 40 described above both when the cap is densely opened and when coating is used. Exhibits similar effects.

[0012]

【Example】

 Next, the present invention will be described in detail based on the illustrated embodiment. (Embodiment 1) A first embodiment of the present invention is a type in which a concave portion 11 of a container body 10 and a convex portion 22 of an inner plug 20 are fitted to each other as shown in FIG. 1 showing a mouth structure. Shown is the state diagram with the cap removed. In FIG. 1, a part of the ball 30 protrudes from the coating opening 21 between an annular upper support 23 and an annular lower support 24 integrally formed with the synthetic resin inner plug 20. In addition, the ball 30 is rotatably supported. An annular elastic valve-like object 40 is provided on the lower side of the tip side portion 25 of the lower support 24 so that the valve tip 41 of the elastic valve-like object 40 contacts the lower portion of the ball 30. On the other hand, it is integrally formed horizontally. An enlarged view of this portion is shown in FIG.

Further, FIG. 2 shows a configuration diagram in a state where the cap 50 is sealed in the configuration of FIG. The cap 50 is hermetically closed by fitting the thread 12 formed on the container body 10 and the thread 52 formed on the inner surface of the cap 50. At this time, the ball 30 is pressed downward by the convex surface 51 in the top wall of the cap 50, and is slightly pushed into the coating opening 21. Further, the elastic valve material 40 slightly elastically deforms along the curved surface of the lower portion of the ball 30 toward the bottom of the container body. In this state, the position of the ball 30 and the valve tip 41 of the elastic valve-like object 40 is in pressure contact with the ball 30 and the elastic valve-like object 40 as shown by the chain double-dashed line in FIG. Because of the close contact, the content liquid does not leak from here.

Next, even when the coating is used, when the ball is lightly pressed against the surface W to be coated, the ball 30 is extremely slightly pushed into the opening 21 of the coating surface, and as shown in FIG. The object 40 elastically deforms in the direction of the bottom of the container main body along the curved surface of the ball 30 and has a restoring force that presses the ball 30 toward the coating opening 21. The size of the slight gap D 1 between the peripheral portions of the body 23 can be artificially adjusted by adjusting the pressing force of the ball, and the discharge amount of the content liquid discharged from the gap D can be controlled. .

Second Embodiment In a second embodiment of the present invention, an annular elastic body valve body 40 of an elastic body is provided on the upper surface of the tip of the lower support 24, and a valve tip portion of the elastic body valve body 40. It is integrally formed perpendicularly to the ball 30 so that 41 is in contact with the lower portion of the ball 30. An enlarged view of this part is shown in FIG. The elastic valve material 40 and the lower support 24 of this embodiment have the same structure as that of the first embodiment except for the front end portion.

The elastic valve material 40 in the present embodiment is similar to that in the first embodiment, and when the ball 30 is pressed downward due to the sealing of the cap 50, the elastic valve material 40 follows the curved surface of the ball 30. Slightly elastically deforms toward the peripheral wall of the inner plug 20. In this state, the position of the ball 30 and the valve tip 41 of the elastic valve-like object 40 is in pressure contact with the ball 30 and the elastic valve-like object 40 as shown by the two-dot chain line in FIG. Since it does, the content liquid does not leak from here.

Even when the coating is used, when the ball 30 is pressed against the surface to be coated in the same manner as in Example 1, the elastic valve material 40 is slightly moved along the curved surface of the lower portion of the ball 30 toward the peripheral wall of the inner plug 20. Since it is elastically deformed and has a restoring force that presses the ball 30 toward the coating opening 21, the size of the slight gap between the ball 30 and the peripheral portion of the upper support 23 generated at this time is It can be adjusted artificially by controlling the pressing force, and the discharge amount of the content liquid discharged from this gap can be controlled.

Further, as an application example of the second embodiment, as shown in FIG. 6, even in a type in which an annular upper support 23a and an annular lower support 24a are integrally formed directly on the container body, the lower support is also formed. An annular elastic valve member 40 may be integrally formed on the body 24a vertically to the ball 30 so that the valve tip 41 of the elastic valve member 40 contacts the lower portion of the ball 30. it can.

(Third Embodiment) A third embodiment of the present invention relates to a device in which an annular lower support body itself is an annular elastic body, and as shown in FIG. Since the body 24b is thinned toward its tip and has a cross section with a small section modulus, it is not a rigid body like a conventional lower support body, but an elastic body having some elastic force. Since the annular lower support 24b is installed horizontally with respect to the ball 30 so as to contact the lower portion of the ball 30, the elastic valve integrally formed with the lower support 24 shown in the first embodiment. It exhibits the same action as the object 40.

[0020]

【effect】

 In the present invention, the elastic valve-like material 40 integrally formed with the lower support or the annular elastic lower support 24b is elastically deformed along the curved surface of the ball 30 when the cap is closed, and the ball does not have a gap. Since it completely adheres to 30, it is possible to completely seal the content liquid even if the sealing property of the fitting part of the cap is insufficient, especially when the content liquid is a highly volatile liquid. It is possible to completely prevent liquid leakage due to the above. When using the coating, it has a restoring force that presses the ball 30 toward the coating opening. Since it is possible to adjust the size of the small gap between the body and the peripheral edge, even if the content liquid is a low-viscosity liquid, a large amount of the content liquid is discharged at one time. Apply by Was prevented, it is shall be able to appropriately control the coating amount.

[Brief description of drawings]

FIG. 1 is a partial longitudinal sectional view showing a first embodiment of the present invention.

FIG. 2 is a partial vertical cross-sectional view similar to FIG. 1 showing a state in which a cap is sealed in the first embodiment.

FIG. 3 is a partial vertical cross-sectional view showing an enlarged part common to FIGS. 1 and 2;

FIG. 4 is a partial vertical cross-sectional view showing the coating use state of FIG.

FIG. 5 is a partial longitudinal sectional view showing a portion corresponding to FIG. 3 of the second embodiment of the present invention.

FIG. 6 is a partial vertical cross-sectional view showing an application example of the second embodiment.

FIG. 7 is a partial longitudinal sectional view showing a third embodiment of the present invention.

FIG. 8 is a partial vertical sectional view showing a conventional example.

FIG. 9 is a partial vertical sectional view showing another conventional example.

[Explanation of symbols]

 10 Container Main Body 11 Recess 12 Screw Thread 20 Inner Plug 21 Application Opening 22 Convex 23, 23a Upper Support 24, 24a Lower Support 24b Elastic Lower Support 25 Tip Top Side 26 Tip Top 30 Ball 40 Elastic Valve Object 41 Valve tip part 50 Cap 51 Top wall inward convex surface 52 Screw thread W Applied surface D Gap

Claims (2)

[Scope of utility model registration request] 1. A ball which is rotatably supported between a ring-shaped upper support and a ring-shaped lower support so that a part of the ball protrudes from the coating opening at the container mouth. A liquid applicator with a ball as a member, wherein an annular elastic valve-like material is integrally formed on the lower support so as to abut the ball. 2. A ball which is rotatably supported between an annular upper support and an annular lower support so that a part of the ball protrudes from the application opening at the container mouth. A liquid applicator with a ball as a member, wherein the lower annular support is an annular elastic body.