JPH0231403Y2 - - Google Patents

Description

[Detailed description of the invention] <<Industrial application>> The present invention relates to a cap structure that produces sound, and more specifically, the present invention relates to a cap structure that produces sound. This concerns the cap structure that occurs.

《Prior art》 Conventionally, a device was developed that generated a sound when a cap was screwed onto a container.
No. 48-26150 is publicly known. In this known container, the cap is a double cap, inside and outside, and a pair of flexible locking pieces are suspended from between the side walls of both caps, and a pair of engagement grooves are provided on the upper surface of the shoulder of the container body. While the cap is being tightened to the container body, the lower end of the locking piece is curved in contact with the upper surface of the shoulder of the container body, and when tightening is complete, the lower end of the locking piece fits into the engagement groove of the shoulder. It is designed to generate sound.

[Problem to be solved by the invention] However, in such conventional caps, noise is generated when the lower end of the curved locking piece slides into the inside of the engagement groove from one end. The noise generated by this is small, and especially when the cap is slowly tightened, the lower end of the locking piece gradually enters the engagement groove, so the noise generated is extremely small. In addition, the part where this locking piece fits into the locking groove of the container body is not a closed space but an open space, so the above sound will not be reflected and amplified. do not have.

This invention solves the above-mentioned problems, and its purpose is to cause the flexible piece to return elastically and generate a loud noise when the cap is tightened or untightened, as if it had been flipped in a closed space. To provide a cap structure.

<Means for Solving the Problems> According to the cap structure that produces sound according to the invention of the present application, there is an inner cap that is screwed onto a thread formed on the outer periphery of the open end of the container, and an outer cap that is connected to the outer surface of the inner cap. It consists of an outer cap that is loosely fitted. A relatively wide space is formed between the ceiling of the inner cap and the ceiling of the outer cap, and one of the two ceilings is provided with a flexible arm extending radially from its center position, and the other ceiling is provided with a flexible arm extending radially from the center position. A protrusion is formed on the portion of the flexible arm to which the tip of the flexible arm slides, and the flexible arm is formed to generate a sound when the flexible arm slides over the protrusion. a first engaging portion in which the outer cap engages with the inner cap after the flexible arm slides through the protrusion in the tightening direction when tightening the inner cap and the outer cap to the threaded portion; A second engaging portion is formed in which the outer cap engages with the inner cap after the flexible arm slides past the protrusion in the direction of loosening it when the screw is released.

《Operation》 When closing the cap now, first rotate the outer cap. Then, the lower end side of the protrusion provided on the outer cap comes into contact with the tip side of the flexible arm of the inner cap, and the inner cap and outer cap rotate in this state and are glued to the container. .

When the inner cap rotates to a certain extent, the rotation of the inner cap is restricted, but at this time, the outer cap continues to rotate, and when the flexible arm is bent by the protrusion, the protrusion then climbs over the flexible arm and attaches. The flexible arm elastically returns to its original state as it moves to the side. At this time, a ``pop'' sound is heard, and the sound reverberates within the wide space defined by the ceilings of the inner and outer caps, producing a loud sound.

Next, when loosening the cap from the above state, since the inner cap and the opening of the container are sealed with great resistance, the outer cap rotates relative to the inner cap and the other end of the flexible arm The side part of the protrusion rides over the protrusion while being bent from the other side of the protrusion. At this time, similar to the previous case, the sound is reflected between the ceiling parts and a loud sound is generated. Thereafter, since the outer cap and the inner cap are engaged at the second engaging portion, they can be rotated together and removed from the container body.

<<Example>> Reference numeral 1 indicates a container main body, and a thread 3 is integrally formed on the outer periphery of the neck 2 of this container main body, and an inner plug 5 is connected to the upper end of the container via an elastic O-ring 4. It is movable up and down and is fixed in place so that it cannot be removed.

The cap 6 of the present invention consists of an inner cap 7 and an outer cap 8, and the inner cap 7 has a thread 3 on the neck 2.
The outer cap 8 has a spiral groove 9 which is screwed into the inner cap 7, and the outer cap 8 is sufficiently higher than the inner cap 7 and is loosely fitted to the outside of the inner cap. That is, the inner cap 7 has an annular groove 10 on its lower outer periphery.
An annular projection 11 formed on the lower inner periphery of the outer cap 8 is rotatably fitted therein, so that the inner and outer caps 7 and 8 are inseparably connected. In addition, a spherical protrusion 13 is formed at the center of the lower surface of the ceiling part 12 of the inner cap 7, and an annular wall surface 14 is formed on the outer periphery of the protrusion 13. The protrusion 13 is in close contact with the central opening of the inner plug 5, and the annular wall surface 14
is pressed against the upper circumferential surface of the inner plug 5 to compress the elastic O-ring 4 and lower the inner plug 5 slightly. Further, a recess 15 is formed along the circumferential direction at the inner peripheral portion of the lower end of the inner cap 7, while the neck portion 2
A stopper piece 16 is integrally formed at the base of the cap, and in the final step of tightening the cap 6 against the neck 2, the stopper piece 16 enters the recess 15, and the stopper piece 16 comes into contact with the side wall of the recess 15. Thus, the cap 6 is positioned at a predetermined position relative to the container body 1.

According to the present invention, the ceiling portion 12 of the inner cap 7
is provided with a flexible arm 17 whose inner end is fixed to the center of the ceiling 12 and extends radially from there, and an extension of the arm 17 is provided on the upper peripheral wall of the inner cap 6. A groove 18 is formed at the center and extending relatively widely along the circumferential direction. Both side wall portions of this groove 18 serve as first and second engaging portions. Further, a projection 20 is provided on the lower surface of the ceiling portion 19 of the outer cap 7 corresponding to the arm body 17.
A convex portion 21 is formed on the inner circumferential surface of the outer cap 8 in correspondence with the concave groove 18, and protrudes into the concave groove 18. The protrusion 20 is configured such that its lower end side can come into contact with the tip side of the arm body 17.

Now, when the cap 6 is started to be screwed onto the neck 2 of the container body 1, as shown in FIG. It comes into contact with the side of the tip, and the inner cap and outer cap continue to be screwed together in this state. When the spherical protrusion 13 and the annular wall surface 14 formed on the lower surface of the ceiling 12 of the inner cap 7 come into contact with the inner plug 5, the O-ring 4 is compressed and the elastic force of the O-ring 4 compresses the inner cap. A resistance to the lowering of the cap 7 is created. If the cap 5 is further tightened at this point, the resistance to the lowering of the inner cap 7 will increase, the outer cap 8 will begin to rotate relative to the inner cap 7, and the outer cap 8 will begin to rotate.
When the protrusion 20 bends the flexible arm 17 of the inner cap 7 and slides over its tip, the flexible arm 17
swings greatly as if being bounced by the protrusion 20, then elastically returns to the position shown in FIG. At this time,
As shown in FIG. 2, the flexible arm 17 has a protrusion 20
After being bent by the arrow, it suddenly assumes the position indicated by the solid line, which causes a relatively loud "pop" sound.

After that, the convex part 21 on the side wall of the outer cap 8 comes into contact with the rotational direction side wall part (first engagement part) of the groove 18 of the inner cap 7, so when the cap 6 is further tightened to the container body 1, The spherical protrusion 13 and annular wall surface 14 of the inner cap 7 compress the O-ring 4 and press against the center opening and upper surface of the inner plug 5, completely sealing the opening of the container body. At the final position of rotation of the cap 6, the stopper piece 1 provided at the base of the neck 2 of the container body 1
The side wall of a recess 16 formed at the lower end of the cap 6 comes into contact with the cap 6, thereby preventing rotation of the cap and aligning the cap at a predetermined position.

Next, when loosening the cap 6, the inner plug 5
Since the close engagement between the inner cap 7 and the inner cap 7 is relatively strong,
First, the outer cap 8 starts rotating with respect to the inner cap 7, and the protrusion 20 of the outer cap 8 moves the flexible arm 17 of the inner cap 7 in the opposite direction to that shown in FIG. 2, as shown in FIG. When the flexible arm body 17 passes through sliding contact with the tip of the flexible arm body 17, it swings greatly as if being bounced by the protrusion 20, and then returns elastically, producing a relatively loud "pop" sound similar to the above. be. After that, the convex portion 21 on the side wall of the outer cap 8 comes into contact with the wall portion (second engaging portion) on the side opposite to FIG. 2 of the groove 18 of the inner cap 7, so that the outer cap 8 and the inner cap The neck part 2 of the container body 1 rotates integrally with the neck part 2 of the container body 1.
This makes it possible to remove the cap 6 from there.

It should be noted that the present invention can be modified in various ways other than the above-mentioned embodiment, and FIG. 4 shows a second embodiment of the present invention, in which the ceiling part 12 of the inner cap 7 is
A columnar projection 22 is formed at the center of the upper surface of the projection 2.
The inner end of a metal elastic plate 17a is wound around the metal elastic plate 17a, and the metal plate 17a serves as a flexible arm that performs the same function as in the first embodiment. In this embodiment, unlike the case where the flexible arms are made of synthetic resin in the first embodiment, metal plates 1
7a, so a metallic sound will be generated.

In addition, in the above embodiment of the present invention, the flexible arms are formed or attached to the inner cap, and the corresponding protrusions are formed on the outer cap, but it will be explained in detail that these positional relationships can be reversed. Not even.

<<Effects>> As described above, in the cap structure of the present invention, the flexible arms are bent to protrude within the relatively wide space formed between the upper surface of the ceiling of the inner cap and the ceiling of the outer cap. Since the flexible arm swings a lot and returns elastically, it not only generates a relatively loud sound, but also causes the sound to reverberate in a nearly closed space, making it louder. , it is possible to clearly inform the user of the end and start of tightening the cap.

In particular, by appropriately changing the radius of this flexible arm, it is possible to produce a sound of a desired volume.

In addition, since the flexible arms are arranged in the radial direction, even if the flexible arms are set long to increase the volume of sound generated, there will be a gap between the ceiling of the inner cap and the outer cap. The distance from the ceiling is
It is only necessary to make the cap one size larger than the width of the flexible arm, and the volume ratio occupied by the cap to the entire container can be kept low, increasing the efficiency of filling the contents into the container and making effective use of the container. be able to.

[Brief explanation of the drawing]

Fig. 1 shows the state in which the cap according to the present invention is fastened to the container body, and Fig. 1A is a longitudinal sectional view thereof;
Figure 1B is a cross-sectional view of the upper part of the cap, Figure 1C is a partial view showing the engagement positional relationship between the flexible protrusion and the protrusion, and Figure 2 is a partial view of the cap from the state shown in Figure 1 to the container body. Figure 3 is a cross-sectional view of the upper part of the cap showing the state in which it is tightened against the cap, Figure 3 is a cross-sectional view of the upper part of the cap showing the state in which the cap has been rotated in the direction of loosening it from the state shown in Figure 2, and Figure 4 is a cross-sectional view of the upper part of the cap showing the state in which the cap is tightened. FIG. 2 is a partially cutaway sectional view showing a cap structure according to an embodiment. 1... Container body, 2... Neck, 5... Inner stopper, 6
...Cap, 7...Inner cap, 8...Outer cap, 12, 19...Ceiling, 17, 17a...
Flexible arm body, 18... Concave groove, 20... Protrusion, 21
...Protrusion.

Claims (1)

[Claims for Utility Model Registration] (1) An inner cap that is comprised of an inner cap that is screwed onto a thread formed on the outer periphery of the open end of the container, and an outer cap that is loosely fitted on the outside of the inner cap; A relatively wide space is formed between the ceiling of the outer cap and the ceiling of the outer cap, one of the two ceilings is provided with a flexible arm extending radially from the center position, and the other ceiling is provided with a flexible arm extending radially from the center thereof. A protrusion is formed on which the tip of the flexible arm slides, and a sound is generated when the flexible arm slides over the protrusion, and the inner cap and the outer cap are connected to each other. After the flexible arm slides through the protrusion in the tightening direction when tightening the screw, the outer cap engages with the inner cap and the first engaging portion releases the screw engagement. the outer cap is provided with a second engaging portion that engages the inner cap after the flexible projecting piece slides past the protrusion in the direction of loosening the protrusion; Cap structure. (2) A relatively wide groove is formed along the circumferential direction on the circumferential surface of one of the inner cap and the outer cap, and a relatively narrow groove is formed on the circumferential surface of the other cap and extends into the groove. Utility model registration claim (1) characterized in that a convex portion is formed, and both side wall surfaces of the groove constitute the first and second engaging portions.
Cap structure that produces sound as described in section.