JPH0430124Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a liquid spouting stopper, and more particularly to a liquid spouting stopper having a ball inside.

[Conventional technology]

Generally speaking, a spout stopper attached to a container containing a hair styling product such as hair liquid or hair tonic generally has a structure in which only a spout 11 is provided, as shown in FIG.

[Problem that the invention attempts to solve]

However, with this structure, when applying hair styling product to the head by shaking the container, more hair styling product may come out than necessary, or it may not come out as expected. Furthermore, since the container is shaken upside down, there is a risk that liquid may drip from the spout 11.

Therefore, a ball 5 is provided inside the spout stopper so as to be able to swing freely, and the swinging of this ball 5 causes the liquid to flow into the spout 1.
The ball 5 then blocks the spout 11 from the inside to prevent more than a certain amount of liquid from flowing out, allowing for a fixed amount of liquid to be dispensed. It is conceivable to pour out the necessary amount of liquid by repeatedly pouring out the liquid.

By the way, as a structure in which a ball 5 is swingably provided inside the spout tap, there has been a
Those described in Japanese Utility Model Publication No. 129744 and Japanese Utility Model Application Publication No. 59-82402 are known.

In the former case, as shown in FIGS. 4 and 5, a cylindrical valve seat 13 is fitted into the open neck 12 of a tube container containing toothpaste, and the cylindrical valve seat 13 and the spout of the open neck 12 are connected to each other. 11, a ball 14 as a ball valve is swingably provided, and the cylindrical valve seat 13 has a valve hole 15 at the bottom and several horizontal protrusions 16 protruding from the inner peripheral wall. and valve hole 1
5 and the horizontal protrusion 16, a film valve 17 serving as a check valve is inserted so as to be movable up and down. Also, a projection 1 is inserted from the spout 3 into the opening neck 12 and presses the ball 14 toward the cylindrical valve seat 18 side.
8 is screwed onto the open neck 12.

Then, when the cap 19 is closed and the open neck 12 is filled with toothpaste as shown in FIG. 4, when the cap 19 is removed and the tube container is squeezed, as shown in FIG. The toothpaste pushes up the film valve 17 and the ball 5, and the toothpaste is quantitatively poured out from the spout 11 until the ball 14 blocks the spout 11.

However, this dispensing stopper is not designed to dispense liquid quantitatively by shaking the container; instead, by squeezing the tube container, fluids with a certain degree of viscosity, such as toothpaste, can be dispensed by squeezing the tube container. It is intended to be taken out quantitatively, and it is not planned to take out the liquid quantitatively by shaking the container.

In the latter case, as shown in FIG. 6, an air inlet tube 22 is provided in the center of a stopper 21 that is fitted into the mouth of a flexible container, and a foam outlet 23 is provided around the air inlet tube 22. At the same time, a filter chamber 24 is formed inside the foam outlet 23, and this filter chamber 24 communicates with the air inflow tube 22 via a vent hole 25, and also communicates with the liquid flow hole 2.
The air inlet tube 22 communicates with the inside of the container through a tube 6, and is filled with a filter 27 made of a porous breathable material. A ball 30 is swingably provided between the stop protrusion 28 and an air inlet 29 provided at the tip of the air inlet cylinder 22, and when the container is pushed, the ball 30 is pushed by the internal pressure of the container, opening the air inlet. Since the container is closed, the liquid in the container passes through the filter 27 from the liquid passage hole 26, mixes with air from the ventilation hole 25, becomes foam, and is poured out from the foam liquid outlet 23.

However, in this spout tap, it is the air inflow tube 22 that accommodates the ball 30, and the ball 30 is housed in the air inflow tube 22.
0 is not necessary for quantitatively dispensing liquid, and it is unthinkable to apply this to dispensing liquid.

The present invention was developed in consideration of these points, and is a liquid dispensing system that can dispense liquid quantitatively by shaking the container, and that can reliably prevent dripping when the container is turned upside down. The technical challenge is to make it into a stopper.

By the way, shaking the container causes the ball inside the spout to swing, which opens and closes the spout and pours out the liquid because the spout opens and closes every time the ball swings. Compared to a case where the spout is always open, pouring is not easy and is inconvenient when it is desired to continuously pour out the liquid in the container.

The present invention was devised taking these points into consideration, and the technical challenge is to enable continuous dispensing of the liquid in the container using a dispensing stopper with a ball. .

[Means for solving problems]

In order to solve the above technical problem, the present invention takes the following technical measures.

That is, the spout 3 is formed at the tip of the cylindrical body 1 to be attached to the mouth of a container containing liquid. The cylindrical body 1 may be attached to the container opening by fitting, screwing, or other means. A ball 5 having a larger diameter than the spout 3 is housed in the cylinder 1. Further, a plurality of guides 4a are arranged on the inner surface of the cylinder 1 in the pouring direction from the inside of the container to the mouth with gaps between them. Here, the inner diameter formed by the guide 4a is slightly larger than the ball 5, and is constant in the pouring direction.

Furthermore, a locking projection 4b is provided at the inner end of the container of the guide 4a, and the inner diameter formed by the tip of each locking projection 4b is smaller than the diameter of the ball 5. and,
A ball 5 is held between the locking protrusion 4b and the spout so as to be movable in the spouting direction along the guide 4a.

Further, the inner peripheral edge of the spout 3 is formed into a concave curved surface 6 having the same curvature as the ball 5 and a radius of curvature greater than or equal to the radius of the ball 5. The radius of curvature of the concave curved surface 6 may be the same as the radius of the ball, but if it is the same, the ball 5 will fit too tightly within the concave curved surface 6, and the ball 5 will not come out from within the concave curved surface 6. Since it may be difficult to come out, use a concave curved surface 6.
It is preferable to make the radius of curvature of the ball 5 slightly larger than the radius of the ball 5. When the ball 5 comes into contact with the concave curved surface 6, a part of the ball 5 projects outward from the spout 3, forming a liquid spout.

The degree of protrusion of the ball 5 increases as the depth of the spout 3 becomes shallower and as the angle between the tangent to the curved surface of the concave curved surface 6 and the central axis of the spout 3 decreases.

In addition, this liquid dispensing stopper is attached to the mouth of a container containing a liquid such as hair liquid or hair tonic, and since the liquid is poured out by shaking the container, the container is not necessarily flexible. It is not necessary to have hardness, and it may be made of a synthetic resin that is hard to some extent.

[Effect]

When the container is turned upside down, the ball 5 comes into contact with the concave curved surface 6 and closes the spout 3 from the inside, so that the hair liquid or the like inside the container is not poured out. Therefore, when this liquid spouting stopper is brought into contact with the head, which is the application surface of the hair liquid, while the container is upside down, the ball 5 protruding from the spout 3 is pushed inward to the concave curved surface. Since it is separated from 6, an outflow path for hair liquid etc. is formed in between, and it is poured out from there. The liquid inside the container can also be poured out by simply shaking the container upside down. That is,
By shaking the container, the ball 5 linearly reciprocates in the pouring direction, and when the ball 5 is on the locking protrusion 4b side, the liquid passes through the flow path formed by the guide 4a to the ball 5 and the spout. When the ball 5 moves toward the spout 3, the ball 5 acts in the spouting direction, so that the liquid is reliably pushed out from the spout 3. Then, the ball 5 is inserted into the concave curved surface 6 inside the spout 3.
When the spout 3 is closed, the liquid will not come out any more. In other words, the locking protrusion 4b and the spout 3
The amount of liquid obtained by subtracting the volume of the ball 5 from the volume between the two is quantitatively poured out.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

Reference numeral 1 denotes a cylindrical body, and this cylindrical body 1 has a fitting part 2 on the outer periphery of the intermediate part that fits into the mouth of the container, and the base end part fits into the mouth of the container.
Further, it is formed into a conical shape, with the diameter becoming smaller toward the tip, and a spout 3 is formed at the tip.

As shown in the figure, the inner surface of the cylinder has a substantially annular shape from the intermediate part between the fitting part 2 and the spout 3 to the spout 3, and is symmetrical about the central axis of the cylinder 1. A pair of guides 4a are arranged, and the inner diameter formed by the guides 4a is slightly larger than the diameter of the ball 5 and is constant in the pouring direction.

Locking protrusions 4b are protrudingly provided at the inner end of the container of the guide 4a, and the inner diameter formed by the tip of each locking protrusion 4b is smaller than the ball 5.

Here, a ball 5 is housed between the spout 3 and the locking protrusion 4b so that it can freely reciprocate linearly only in the pouring direction along the guide 4a.

Further, the inner peripheral edge of the spout 3 has a ball 5.
The ball 5 has a concave curved surface 6 having the same curvature as the concave curved surface 6, and when the ball 5 fits and abuts on this concave curved surface 6, a part of the ball 5 protrudes from the spout 3 to the outside. There is.

A comparison of the inner diameters and concave curved surfaces 6 formed by the spout 3, the ball 5, and the pair of locking protrusions 4b is as follows.

Spout 3...Diameter 1.80 Ball 5...Radius 1.20 Inner diameter formed by the pair of locking protrusions 4b...Radius 1.10 Concave curved surface 6...Curvature radius 1.25 Then, when the container is turned upside down, the ball 5 becomes the concave curved surface 6. Since they come into contact and close the spout 3 from the inside, the hair liquid, etc. inside the container will not be poured out. At this time, a portion of the ball 5 protrudes from the spout 3 to the outside. So, with the container upside down,
When this liquid spouting stopper is brought into contact with the head, which is the application surface of the hair liquid, the ball 5 protruding from the spout 3 is pushed inward of the container and away from the concave curved surface 6, so that the hair liquid, etc. An outflow path is formed, and liquid is continuously poured out from this outflow path as long as the ball 5 is pushed to form the outflow path.

The liquid inside the container can also be poured out by simply shaking the container upside down. That is, when the container is turned upside down and shaken, the ball 5 linearly reciprocates in the pouring direction between the spout 3 and the locking projection 4b along the guide 4a, and this movement moves toward the locking projection 4b side. When the body rises, the body inside the container flows into the gap between the ball 5 and the spout 3 through the flow path defined by the guide 4a. After that, when the ball 5 falls toward the spout 3 side, the liquid between the ball 5 and the spout 3 is absorbed by the ball 5.
It is acted upon in the pouring direction by the liquid, is reliably pushed toward the spout 3 side, and is poured out from the spout 3. When the liquid comes out, there is a negative pressure inside the container, and since the container is turned upside down and the liquid is blocking the spout 3, it may be difficult for air to enter the container from the spout 3.
The ball 5 swings slightly inside the spout 3, and the flow path formed by the guide 4a guides the inflow of outside air into the container, so that the inside of the container does not become too negative and the liquid does not flow properly. do not have. And ball 5
When the liquid comes into contact with the concave curved surface 6 inside the spout 3, the spout 3 is closed and the liquid does not come out from the spout 3. At this time, by forming the concave curved surface 6 on the inner peripheral edge of the spout 3, the contact area with the ball 5, that is, the sealing area is wide, and the spout 3 can be closed reliably.

In this way, with one vertical movement of the ball 5,
The amount of liquid obtained by subtracting the volume of the ball 5 from the volume between the spout 3 and the locking protrusion 4b is quantitatively poured out. Therefore, by repeating this process, a desired amount of liquid can be taken out.

[Effect of idea]

According to the invention, the movement of the ball 5 and the guide 4
The gap formed by a facilitates the dispensing of the liquid, and since outside air is introduced into the container, the dispensing of the liquid is smooth, and by opening and closing the spout 3 with the ball 5, a constant amount is always maintained. liquid can be dispensed.

In addition, since the ball 5 is formed to protrude from the spout 3, if the ball 5 is used in contact with the liquid application surface, the liquid will be continuously poured as long as the ball 5 is pressed. can,
It's convenient.

Moreover, since a concave curved surface 6 having the same curvature as the ball 5 is formed on the inner peripheral edge of the spout 3, the ball 5
The sealing area is large, the spout 3 can be reliably closed, and accidental dripping can be prevented.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional view showing an embodiment of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, Fig. 3 is a longitudinal sectional view showing a conventional example, and Figs. 4 and 5 are FIG. 6 is a vertical cross-sectional view showing another conventional example of a spout tap having a ball. FIG. 1... Cylindrical body, 3... Spout, 4a... Guide,
4b...locking protrusion, 5...ball, 6...concave curved surface.

Claims (1)

[Scope of utility model registration request] A spout 3 is formed at the tip of a cylindrical body 1 to be attached to the mouth of a container containing liquid, and a ball 5 having a larger diameter than the spout 3 is accommodated in the cylindrical body 1. A plurality of guides 4a are arranged on the surface in the pouring direction from the inside of the container to the mouth,
A gap is provided between adjacent guides to serve as a liquid flow path, and the inner diameter formed by this guide 4a is slightly larger than the ball 5 and constant in the pouring direction, and is further secured to the inner end of the container. A protrusion 4b is provided protrudingly, and the inner diameter formed at the tip of each locking protrusion 4b is smaller than the diameter of the ball 5. The ball 5 is held movably in the exit direction, and the inner peripheral edge of the spout 3 is formed into a concave curved surface 6 having approximately the same curvature as the ball 5 and a radius of curvature greater than or equal to the radius of the ball 5. When the ball 5 comes into contact with the concave curved surface 6, a part of the ball 5 touches the spout 3.
A liquid spouting stopper characterized in that it is formed so as to protrude outward from the top.