JPH09309557A - Pouring cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap which can always pour a nearly specified small quantity of liquid when it is set on a container body and which is constituted of an extremely simple structure and easily handled and manipulated. SOLUTION: This cap fitted to the opening neck of a container body is provided with an external cylinder 2 in which the pouring outlet 9 is bored at the center of the top wall and the rear face of the top wall in the lower end of the pouring outlet 9 is shaped to form a valve seat 10, an internal cylinder 3 with the bottom, double-cylindrically formed in the external cylinder 2, and a spherical valve body 4 vertically movable within the internal cylinder 3. A pierced hole 16 is opened at the bottom wall 13 of the internal cylinder and a connecting aperture 17 is bored at the upper part of the peripheral wall 14 of the internal cylinder respectively. A specified volume of the liquid content is discharged from the pouring outlet 9 through the outer periphery of the internal cylinder and the connecting aperture 17 before the spherical valve body 4 closes the pouring outlet 9 by the compression of the container body assembled with the cap.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a spout.

[0002]

2. Description of the Related Art For example, when a predetermined small amount of a cosmetic solution having a relatively high viscosity is used, a stopper member having a small spout is fitted to the upper end of the mouth and neck of a container body having a squeezable body. However, the squeezing of the body is adjusted. Alternatively, the container body in which a plug member having a small spout is fitted to the mouth and neck is shaken up and down.

[0003]

However, it is difficult to adjust by the method of controlling the squeezing of the body or the method of shaking the container body up and down, and even if the spout is formed small, excess liquid is poured out. In many cases, it takes a long time to pour out a predetermined small amount, and the pouring amount greatly changes each time.

In view of the above points, the present invention is capable of constantly pouring out a substantially predetermined small amount of liquid when it is mounted on a container and used, and its structure is extremely simple and easy to manufacture. Moreover, it proposes an excellent spout that is easy to handle.

[0005]

[Means for Solving the Problems] In order to solve the above-mentioned problems, the spouting plug according to the present invention has a cylindrical shape with a lower end surface opening for fitting an outer surface to the neck and neck of a container body, and a center of the top wall 8. An outer cylinder 2 having a spout 9 formed in a portion thereof, and a back surface of a top wall 8 continuous with a lower end of the spout 9 formed in a valve seat 10, and a double cylinder with a bottom inside the outer cylinder 2. The inner cylinder 3 is provided so that it can move up and down while coming into contact with the upper valve seat 10 from the inner lower end of the inner cylinder 3, and has a size that makes it difficult for the liquid to flow between the outer peripheral edge and the inner surface of the inner cylinder 3. With a ball-shaped valve element 4, a through hole 16 is formed in the center of the inner cylinder bottom wall 13, and a communication window 17 is formed in the upper part of the inner cylinder peripheral wall 14.
The ball-shaped valve body 4 is spouted out 9 by squeezing the body of the mounted container.
It is configured as a pouring plug characterized in that a predetermined amount of liquid is spouted from the spout 9 from the outer periphery of the inner cylinder 3 through the communication window 17 before closing the.

Further, in the pouring plug of the second aspect of the invention, the outer cylinder top wall 8 is a top wall 8 formed in a mountain shape in which the peripheral edge portion is tapered and the diameter is increased, and the inner cylinder 3 is formed. However, the outer peripheral edge of the flange 15 projecting from the central portion of the outer surface of the peripheral wall 14 in the up-and-down direction
The inner wall is fitted in a liquid-tight manner, and the upper end edge of the peripheral wall 14 is brought into liquid-tight contact with the tapered portion of the outer cylinder top wall 8 to be fixedly mounted on the outer cylinder 2, and the auxiliary communication window 18 is attached to the flange 15. It is the inner cylinder 3 formed by punching, and before the ball-shaped valve body 4 closes the spout 9 by the squeezing of the mounted body part of the container, the auxiliary communication window 18 is provided from the outer periphery of the inner cylinder 3.
And a predetermined amount of liquid is discharged from the spout 9 through the communication window 17 and the pouring plug according to claim 1.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. The spout 1 of the present invention includes an outer cylinder 2
And an inner cylinder 3 and a ball-shaped valve body 4. The outer cylinder 2 is
The container body 5 has a cylindrical shape with a lower end surface opening into which the outer peripheral surface is liquid-tightly fitted to the inner surface of the mouth / neck portion 6, and the top wall 8 extends from the upper end edge of the peripheral wall 7 and at the center of the top wall 8. A spout 9 is provided. In addition, the back surface of the top wall 8 that is continuous with the lower end of the spout 9 has a valve seat 10
Is formed.

In this embodiment, the top wall 8 is formed in a mountain shape in which the peripheral portion is tapered and the central portion is flat, and the upper portion of the space in the outer cylinder 2 is tapered. It is configured like this. A flange 11 extending from the outer peripheral upper portion of the cylindrical peripheral wall 7 is attached to the container body 5 by abuttingly engaging the upper surface of the container body neck 6 with the flange 11. Further, a protrusion 12 is provided around the inner surface of the peripheral wall 7 for engaging a flange of the inner cylinder 3 which will be described later. The inner cylinder 3 has a cylindrical shape provided inside the outer cylinder 2 in a bottomed double cylinder shape.

In this embodiment, as shown in FIG. 3, an inner cylinder having a cylindrical peripheral wall 14 standing upright from the peripheral edge of the bottom wall 13 and a flange 15 projecting at a predetermined position in the outer peripheral vertical direction central portion. 3 is prepared, and the upper edge of the peripheral wall 14 of the inner cylinder 3 is attached to the outer cylinder top wall 8
The outer peripheral edge portion of the flange 15 is fluid-tightly fitted to the inner surface of the outer peripheral wall 7, and is provided in the outer cylinder 2 in a double cylinder shape. At this time, the flange 15 is engaged over the upper surface of the locking projection 12 and engaged therewith to prevent slipping out. Further, the inner cylinder 3 is not limited to the case where it is fitted and fixed as described above, and the upper end edge of the peripheral wall of the inner cylinder 3 may be fixed to the back surface of the outer cylinder top wall by an appropriate fixing means such as adhesion or fusion without a flange. good.

The ball-shaped valve element 4 has a spherical shape formed of metal or synthetic resin, and is vertically movable while contacting the valve seat 10 from the lower end of the inner cylinder 3, and the outer peripheral edge and the inner surface of the inner cylinder 3. It is formed in a size that makes it difficult for the liquid to flow between it and. Such a ball-shaped valve element 4 specifically has an outer diameter slightly smaller than the inner diameter of the inner cylindrical peripheral wall 14, and may be, for example, one having a clearance on the order of 1/10 mm or mm.

According to the present invention, when the through hole 16 is formed in the center of the bottom wall 13 of the inner cylinder 3 and the communication window 17 is formed in the upper part of the inner cylinder peripheral wall 14, the body of the attached container is squeezed. Further, there are two routes for introducing the liquid in the container body into the inner cylinder 3 from the through hole 16 and from the outer circumference of the inner cylinder 3 through the communication window 17 into the inner cylinder.

The number of the communication windows 17 may be arbitrarily selected, and may be one or two or more, and the size thereof may be appropriately selected. The shape, the number, etc. may be selected in correlation with the size of the hole 16.

In this embodiment, a circular through hole 16 is formed in the center of the inner cylinder bottom wall 13, and a pair of left and right communication windows 17 having a vertically long rectangular shape in front view are formed at the upper end of the inner cylinder peripheral wall 14. are doing. Further, in this embodiment, since the mounting flange 15 is provided, a pair of left and right auxiliary communication windows 18 that are continuous with the lower end of the same width as each communication window 17 and that cross the flange 15 are formed. There is. Therefore, when the mounted body part of the container is squeezed, the liquid in the container body enters the inner cylinder 3 through the through hole 16 and the outer circumference of the inner cylinder 3 through the auxiliary communication window 18 and the communication window 17. There are two routes each introduced.

When the pouring plug 1 constructed as described above is attached to the container body 5 and inverted to squeeze the body portion, the liquid in the container body is introduced into the inner cylinder 3 through the through hole 16, and Inner cylinder 3
It passes through between the outer cylinder 2 and the outer cylinder 2 toward the spout 9. On this occasion,
The ball-shaped valve element 4 in the inner cylinder 3 descends according to the flow velocity of the liquid introduced into the inner cylinder 3, but the liquid flowing to the spout 9 through the outside of the inner cylinder and through the auxiliary communication window 18 and the communication window 17. The flow velocity is higher, and a small amount of liquid is poured out from the spout 9 before the ball-shaped valve body 4 reaches the valve seat 10 and closes the spout 9. It should be noted that each of the above-mentioned members may be formed of synthetic resin unless otherwise specified.

[0015]

As described above, the spout according to the present invention has a cylindrical shape having a lower end opening for fitting the outer surface to the neck of the container body, and the spout 9 is formed at the center of the top wall 8. Further, an outer cylinder 2 having a valve seat 10 on which the back surface of the top wall 8 which is continuous with the lower end of the spout 9 is formed, an inner cylinder 3 provided in the outer cylinder 2 in the shape of a double cylinder with a bottom, and an inner cylinder. 3 is provided with a ball-shaped valve body 4 which is vertically movable while coming into contact with the upper valve seat 10 from the inner lower end and is formed in a size in which the liquid does not easily flow between the outer peripheral edge and the inner surface of the inner cylinder 3. A through hole 16 is formed in the center of the inner cylinder bottom wall 13, a communication window 17 is formed in the upper part of the inner cylinder peripheral wall 14, and the ball-shaped valve body 4 closes the spout 9 by squeezing the mounted container body. Since a predetermined amount of liquid is poured from the spout 9 from the outer circumference of the inner cylinder 3 through the communication window 17, it is possible to constantly pour a substantially predetermined amount of liquid, and after pouring, , The valve member comes into contact with the valve seat and closes the spout, so there is no risk of pouring out excess liquid.In addition, if the squeezing of the body is released, the original pourable state will be restored, so handling is easy. It is extremely convenient. Further, since its structure is simple, it can be easily manufactured.

Further, in the spout according to the second aspect of the present invention, since it can be formed by fitting the inner cylinder into the outer cylinder, it is easier to manufacture. In addition, since the outer cylinder top wall 8 is formed in a mountain shape in which the peripheral portion is tapered and the diameter is increased, the liquid flow to the spout via the outer circumference of the inner cylinder is unlikely to be stagnant, and a substantially predetermined amount of The liquid can be poured out more smoothly.

[Brief description of drawings]

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

FIG. 2 is a vertical sectional view of the embodiment in a state of being rotated by 90 °.

FIG. 3 is a perspective view showing an inner cylinder of the embodiment before fitting.

FIG. 4 is a vertical sectional view showing a usage state of the embodiment.

[Explanation of symbols]

2 ... Outer cylinder, 3 ... Inner cylinder, 4 ... Ball valve element, 7 ... Outer cylinder peripheral wall, 8
… Outer cylinder top wall, 9… Spout, 10… Valve seat, 13… Inner cylinder bottom wall, 14
… Inner cylinder peripheral wall, 15… Flange, 16… Through hole, 17… Communication window, 18
… Auxiliary communication window

Claims (2)

[Claims] 1. A top wall which has a tubular shape with an opening at the lower end surface for fitting an outer surface into the neck of the container body, has a spout 9 in the center of the top wall 8 and is continuous with the lower end of the spout 9. 8 The back side is the valve seat 10
The outer cylinder 2 formed in the outer cylinder 2, the inner cylinder 3 provided in the outer cylinder 2 in the shape of a double cylinder with a bottom, and the up and down movement while contacting the upper valve seat 10 from the inner lower end of the inner cylinder 3 In addition, a ball-shaped valve element 4 formed to have a size that makes it difficult for the liquid to flow between the outer peripheral edge and the inner surface of the inner cylinder 3, a through hole 16 is formed in the center of the inner cylinder bottom wall 13, and A communication window 17 is formed in the upper part of the cylindrical peripheral wall 14, and before the ball-shaped valve body 4 closes the spout 9 by squeezing the mounted body portion of the container, the spout 9 is opened from the outer circumference of the inner cylinder 3 through the communication window 17. A pouring plug, characterized in that a more predetermined amount of liquid is poured out. 2. The outer cylinder top wall 8 is a top wall 8 formed in a mountain shape in which a peripheral portion thereof is tapered and the diameter thereof is increased, and the inner cylinder 3 is formed from a central portion of an outer surface of a peripheral wall 14 in a vertical direction. Projected flange
15 The outer peripheral edge of the outer peripheral wall 7 is liquid-tightly fitted to the inner surface of the outer peripheral wall 7, and the upper end edge of the peripheral wall 14 is liquid-tightly contacted with the tapered portion of the outer peripheral wall 8 to be fixedly mounted on the outer cylinder 2, It is the inner cylinder 3 formed by punching the auxiliary communication window 18 in the flange 15, and before the ball-shaped valve body 4 closes the spout 9 by the squeezing of the mounted body part of the container, the auxiliary communication window 18 is inserted from the outer periphery of the inner cylinder 3. And the spout 9 through the communication window 17
2. A structure in which a predetermined amount of liquid is poured out.
The spout described.