JP2001130618A - Cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap which allows breathing to be made even when being erroneously swallowed down. SOLUTION: For a cap 10 comprising a cap main body 11 which is attachable to and detachable from an opening 13 of a container and a movable part 12 movably arranged in the cap main body 11, a pair of through holes 16 which are arranged at the same circumference and closed with the movable part 12 that moves being pressed by the opening 13 when the cap main body 11 is mounted onto the opening 13 are provided at the cap main body 11 on positions opposite to the opening 13 while a pair of air holes 21 arranged on a concentrical circumference are provided at the movable part 12 on positions not being opposite to the through holes 16, and a spring means 20 which presses the movable part 12 so as to be separated from the through holes 16 are arranged between the cap main body 11 and the movable part 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap for covering and sealing an opening of a container in order to prevent leakage of a fluid contained in the container. The present invention relates to a cap provided with a through-hole capable of performing the following.

[0002]

2. Description of the Related Art A cap is used to seal an opening of a container containing a fluid. With this cap, leakage of the fluid in the container can be prevented.

[0003]

By the way, the conventional cap as described above is very dangerous because, for example, if the infant accidentally swallows it, his or her trachea is obstructed, so that he cannot breathe. Therefore, once such a situation has occurred, there has been a demand for a cap that can breathe before being taken out of the trachea.

[0004]

The present invention adopts the following constitution in order to solve the above points. <Structure 1> A cap according to the first invention of the present application includes a cap body detachably attached to an opening of a container containing a fluid, and at least one cap provided at a position facing the opening of the cap body. A through-hole, arranged in the cap body, when attached to the opening of the cap body,
A moving portion that is pressed by the opening portion and moves, the moving portion closing the through hole, at least one ventilation hole provided in the moving portion, and a spring means for pressing the moving portion in the cap body in a direction to separate from the through hole. It is characterized by having.

<Function 1> In the cap according to the first invention,
When the cap body is attached to the opening of the container, the opening presses and moves the moving unit, and closes the through hole. Thereby, the opening of the container can be securely sealed, and leakage of the fluid can be prevented. On the other hand, when the cap body is removed from the opening, the spring means applies a pressing force to the moving part in a direction to separate the moving part from the through-hole, so that the moving part separates from the through-hole. Thereby, the through hole is opened and the through hole communicates with the ventilation hole, so that breathing can be continued even if the cap is accidentally swallowed.

[0006] Further, at least one groove along the moving direction of the moving portion is provided on the inner peripheral portion of the cap body, and a protrusion for preventing rotation which is engaged in the groove can be provided on the edge of the moving portion. . By engaging the projection in the groove in this way,
Even if the through hole and the ventilation hole are provided on substantially the same circumference, rotation of the moving portion in the cap body is prevented,
It is possible to prevent the fluid from leaking by preventing alignment between the through hole and the ventilation hole.

<Structure 2> A cap according to the second invention of the present application is provided at a position opposite to the opening of the cap body, which is detachably attached to an opening of a container for containing a fluid. At least one through-hole and a film disposed in the cap body, which seals the opening when the cap body is attached to the opening, and which can be broken by human suction.

<Function 2> In the cap according to the second invention,
When the cap body is attached to the opening, the film seals the opening of the container. Thereby, leakage of the fluid in the container can be reliably prevented. On the other hand, when the cap body is removed from the opening, the film can be broken by human inhalation. Thereby, even if the cap is swallowed, the film can be broken and breathable through the through hole.

<Structure 3> A cap according to a third aspect of the present invention includes a cap body detachably attached to an opening of a container for containing a fluid, and a cap protruding from a portion facing the opening of the cap body. When the cap body is attached to the opening, a closing part that closes the opening and a through hole that allows breathing through at least one cap body provided at a position facing the opening of the cap body are provided. It is characterized by.

<Function 3> In the cap according to the third invention,
When the cap body is attached to the opening, the closing part closes the opening of the container. Thereby, the opening can be reliably sealed, and leakage of the fluid in the container can be prevented. Also, when the cap body is removed, the through hole allows breathing through the cap body. This allows breathing even if the cap is swallowed.

Further, the cap according to the first, second and third inventions of the present application may be further provided with at least a pair of through holes at positions facing the peripheral surface of the cap body. Thereby, more reliable breathing can be made possible.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. <Embodiment 1> FIG. 1 is a sectional view showing a cap and an opening of an embodiment according to the first invention of the present application. FIG. 1 (a)
FIG. 1 is a cross-sectional view showing a cap according to the present invention, and FIG.
FIG. 2 is a sectional view showing an opening of the container according to the present invention. FIG. 2 is a plan view showing a cap of a specific example according to the first invention of the present application. That is, FIG. 1A is a cross-sectional view taken along the line II in FIG. The cap 10 according to the present invention includes:
As shown in FIGS. 1 and 2, a cap body 11 having a cylindrical shape and a moving portion 12 made of a plastic material having a disk shape are movably disposed in the cap body 11.

The cap body 11 includes a top wall portion 14 facing the opening 13a of the cylindrical opening portion 13 of the container containing the fluid, and a cylindrical portion 1 screwed to the peripheral surface 13b of the opening portion 13.
5 is provided. The top wall 14 has two circular through holes 1
6 and 16 are provided concentrically, and a projection 17 forming a part of the through hole 16 is provided on the lower surface of the top wall portion 14.

On the inner peripheral surface of the cylindrical portion 15, a screwing portion 18 for screwing with the screw portion 13c of the opening 13 is provided. In addition, two projections 19,
19 are provided. The projecting portion 19 is connected to the moving portion 12.
Is prevented from falling from inside the cap body 11. Thereby, the movement of the moving part 12 is restricted between the top wall part 14 and the protruding part 19.

The moving portion 12 is provided with a spring means 20 and two concentric vent holes 21 and 21.
The spring means 20 is composed of a protrusion integrally formed at the center of the moving part 12 and is elastically deformed by pressing on the top wall part 14. As shown in FIG. 2, the vent hole 21 has a circular shape and is provided at a position that is not opposed to the through hole 16.

Next, the operation of attaching the cap body 11 to the opening 13 will be described. As before, the cap body 1
Turn 1 to screw the screw portion 18 into the screw portion 13c of the opening 13. When the cap body 11 is screwed, the moving section 1
2 moves upward by being pressed by the opening 13 and pressed by the projection 17 to close the through hole 16. At the same time, the spring means 20 is deformed. Thereby, leakage of the fluid from the cap main body 11 can be reliably prevented.

Subsequently, when the attached cap body 11 is removed from the opening 13, the deformed spring means 20 pushes the moving portion 12 in the direction away from the top wall portion 14 until it returns to its original shape. Since the pressure is applied, the moving part 12 moves away from the through-hole 16, whereby the closed through-hole 1 is closed.
6 is released. Therefore, since the ventilation hole 21 and the through hole 16 communicate with each other, even if the cap 10 is accidentally swallowed by an infant, it is possible to breathe through the ventilation hole 21 and the through hole 16.

<Modification 1 of Specific Example 1> When the through-hole and the ventilation hole are provided on concentric circles, the moving part rotates, the through-hole and the ventilation hole are aligned, and there is a possibility that the fluid leaks. is there. FIG.
FIG. 4 is a plan view and a cross-sectional view illustrating a cap of Modification Example 1 of the specific example according to the first invention. FIG. 3A is a cross-sectional view of the cap of the first modification, and FIG. 3B is a plan view of the cap of the first modification. In this modified example 1, a specific example 1
The same parts as those described above are denoted by the same reference numerals and description thereof will be omitted.
As shown in FIG. 3, the cap 30 according to the present invention includes a cap body 31 and a moving unit 32.

A pair of grooves 34, 34 are provided along the moving direction of the moving portion 32 at opposing positions on the inner peripheral portion of the cylindrical portion 33 of the cap body 31. A pair of protrusions 35 are provided at opposing positions on the edge of the moving portion 32. Each projection 35 can be engaged with the groove 34. Further, the through holes 16 and the ventilation holes 21 are formed as shown in FIG.
(B) As shown in FIG.
It is located above and is provided at 90-degree intervals.

When the protrusion 35 of the moving part 32 is engaged with the groove 34, the rotation of the moving part 32 in the cap body 31 can be prevented. Thus, for example, even if both the through hole 16 and the ventilation hole 21 are provided on the same circumference 36 in order to simplify the manufacturing operation, the through hole 16 and the ventilation hole 21 do not align with each other. The moving part 32 can be reliably closed by the moving part 32.

<Modification 2 of Specific Example 1> The following modification is employed to prevent the fluid in the container from entering the space between the top wall of the cap body and the moving portion through the vent hole from the opening. I do. FIG. 4 is a cross-sectional view showing a cap of Modification 2 of the specific example according to the first invention. In this example, like the first modification, the same parts as those in the first example are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIG. 4, the cap 40 according to the present invention includes a cap body 41 and a moving unit 42.

The through-hole 16 and the ventilation hole 21 are provided in the top wall 43 and the moving part 42 of the cap body 41 at the same positions as in the first embodiment, respectively. Further, the moving unit 4
2 has an annular protrusion 44 for closing the through hole 16.
The top wall 43 is provided with an annular protrusion 45 for closing the ventilation hole 21.

When the cap body 41 is attached to the opening 13 (see FIG. 1), the through hole 16 is closed by the protrusion 44 and the vent hole 21 is also closed by the protrusion 45, so that the fluid is capped. It is possible to prevent entry into the space formed between the main body 41 and the moving section 42. Therefore, when the cap 40 is swallowed, there is no problem that the fluid enters the trachea by inhalation.

<Modification 3 of Embodiment 1> FIG. 5 is a sectional view showing a cap of Modification 3 of the embodiment according to the first invention. In this example, the same parts as those in the first example are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIG. 5, the cap 50 according to the present invention includes a cap body 51.
And a moving unit 52.

An annular projection 54 for closing the ventilation hole 21 is provided on the top wall 53 of the cap body 51. A pair of through holes 56 is provided in the cylindrical portion 55 of the cap body 51. This pair of through holes 56,
Reference numeral 56 is located in the vicinity of the top wall 53 so as to face the same.

When the cap body 51 is attached to the opening 13 (see FIG. 1), the moving portion 52 is pressed by the opening 13 to close the through hole 16 and the projecting portion 54 is
1 is closed.

If the cap 16 is swallowed and the through-hole 16 is closed by the wall of the trachea, breathing through the through-hole 16 and the vent 21 becomes impossible.
However, in the example shown in FIG.
6 and 56 are also provided on the cylinder portion 55 side, so that breathing can be continued through these through holes 56 and 56.

FIG. 6 is a sectional view showing a cap according to a second embodiment of the present invention. FIG. 6 (a)
Is a cross-sectional view of a cap of a specific example according to the second invention,
FIG. 6B is a plan cross-sectional view of the cap obtained along the line II-II in FIG. Cap 6 according to the present invention
As shown in FIG. 6, 0 includes a cap body 61 having a cylindrical shape and a film 62 disposed in the cap body.

The cap body 61 is provided at the opening of the container (FIG. 1).
), And a cylindrical portion 64 screwed into the opening. The top wall 63 has a pair of through holes 6.
5, 65 are provided. An annular projection 66 is provided on the inner peripheral surface of the cylindrical portion 64 near the top wall 63. A screwing portion 67 for screwing with the opening is provided below the protrusion 66.

The film 62 is made of a thin film that can be broken by human inhalation force, and is fixed to the upper surface of the projection 66 by, for example, ultrasonic waves. As shown in FIG.
As shown in FIG. 5, a cross-shaped ultra-thin wire portion 68 is formed at the central portion and at the portion facing the through hole 65.

In the example shown in FIG. 6, when the cap body 61 is attached to the opening, the film 62 seals the opening, so that leakage of the fluid in the container can be prevented.
On the other hand, if the infant accidentally swallows the cap 60, the film 62 breaks at the position of the ultrathin line portion 68 due to the suction force, so that breathing can be performed through the through hole 65.

<Modification 1 of Embodiment 2> In the embodiment according to the second invention, since the film is provided directly in the cap body, the fixing work is difficult. FIG. 7 is a cross-sectional view showing a cap of Modification Example 1 of the specific example according to the second invention of the present application. In this example, the same parts as those in the above specific example 2 are denoted by the same reference numerals, and the description thereof will be omitted. The cap 70 according to the present invention, as shown in FIG.
1 and a film 6 disposed in the cap body 71
2 is included.

The cap body 71 includes an upper portion 72 provided with a through hole 65 and a cylindrical lower portion 73 provided with a screw portion 67. The lower end 72a of the upper part 72 is fitted to the upper end 73a of the lower part 73 that opens. The film 62 has an upper end portion 73a of the lower portion 73.
Is fixed via an adhesive 74 to seal the opening of the upper end 73a.

In the example shown in FIG. 7, after the film 62 is fixed on the end face of the upper end 73a of the lower portion 73, the cap body 71 is formed by fitting the upper portion 72 and the lower portion 73. Mounting work becomes easy.

<Modification 2 of Embodiment 2> FIG. 8 is a sectional view showing a cap of Modification 2 of the embodiment according to the second invention of the present application. In this example, the same parts as those in the specific example 2 are denoted by the same reference numerals, and description thereof will be omitted. The cap 80 according to the present invention, as shown in FIG.
1 and a film 6 disposed in the cap body 81
2 is included.

The cap body 81 has an upper part 82 and a lower part 83. The upper portion 82 has a ceiling wall portion 84 provided with a through hole 65 and a tubular portion 85 fitted to the lower portion 83.

The cylindrical portion 85 is further provided with a pair of through holes 86. These through holes 86 are formed by long holes along the peripheral surface. An annular protrusion 87 is provided on the inner peripheral surface of the cylindrical portion 85. The protrusion 87 is located below the through hole 86. Further, a concave portion 88 located below the projecting portion 87 is provided on the inner peripheral surface of the cylindrical portion 85. On the outer peripheral surface of the upper end 83a of the lower portion 83, a projection 89 for fitting into the recess 88 is provided.

In the example shown in FIG. 8, the film 62 is arranged so as to cover the end face of the upper end 83a of the lower portion 83, and when the upper portion 82 is fitted to the upper end 83a, the projection 89 is fitted into the recess 88. I do. In this state, the film 62 is sandwiched and fixed between the upper end portion 83a and the projecting portion 87. Thereby, the film 62 can be attached without using an adhesive or ultrasonic waves.

<Embodiment 3> FIG. 9 is a sectional view showing a cap and an opening of an embodiment according to the third invention of the present application. FIG. 9A is a cross-sectional view of a specific example of the cap according to the present invention, and FIG. 9B is a cross-sectional view of the opening of the specific example according to the present invention. Opening 92 of the container used in this specific example
Has a small-diameter opening 92a located in the center and a threaded portion 92b on the peripheral surface, as shown in FIG. 9B.

FIG. 9A shows a cap 90 according to the present invention.
, A cylindrical cap body 91 is included. The cap body 91 includes a top wall portion 93 and a cylindrical portion 94. The top wall portion 93 is provided at a central position facing the opening 92a, and has a protruding closing portion 95 for closing the opening 92a, and a pair of through holes 9 provided on a pair of concentric circles.
6,96. A screw portion 97 for screwing with the screw portion 92b of the opening 92 is provided on the inner peripheral surface of the cylindrical portion 94.

In the illustrated example, the screw 92b and the screw 97
When the cap main body 91 is attached to the opening 92 by screwing with the above, the closing portion 95 is inserted into the opening 92a to close the opening 92a. Thus, leakage of the fluid contained in the container can be reliably prevented. Further, when the cap body 91 is swallowed, breathing can be enabled through the through-hole 96.

<Modification of Embodiment 3> FIG. 10 is a sectional view showing a modification of the embodiment according to the third invention of the present application. FIG.
0 (a) is a cross-sectional view of a cap according to a modification of the specific example according to the third invention, and FIG. 10 (b) is a cross-sectional view of an opening according to a modification of the specific example according to the third invention. In this example,
The same parts as those in the above specific example 3 are denoted by the same reference numerals, and description thereof is omitted. Opening 102 of container used in this modification
Has a protrusion 103 located at the center and a screw 104 located at the peripheral surface, as shown in FIG. The protrusion 103 forms a small-diameter opening 103a.

FIG. 10 shows a cap 100 according to the present invention.
As shown in (a), a cap body 101 is included. The cap main body 101 includes a top wall portion 105 provided with a pair of through holes 96 and a cylindrical portion 106 provided with a screw portion 97. At the center of the top wall 105,
A closing portion 107 including a protruding portion is provided. The cylindrical portion 106 is further provided with a pair of through holes 108. The pair of through holes 108 are located above the screw portion 97.

When the cap body 101 is mounted on the opening 102, the closing portion 107 abuts so as to cover the projection 103. Thus, the opening 103a is closed, so that leakage of the fluid can be prevented. Also, cap 1
When 00 is swallowed and the through-hole 96 is closed on the wall of the trachea, the pair of through-holes 108 communicate with each other, so that breathing can be continued.

[0045]

According to the present invention, when the cap body is attached to the opening of the container, the opening of the opening can be sealed to prevent leakage of the fluid in the container. In addition, when the infant accidentally swallows the cap, the child can breathe through the through hole.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a cap and an opening of a specific example according to the first invention of the present application.

FIG. 2 is a plan view showing a cap of a specific example according to the first invention of the present application.

FIGS. 3A and 3B are a plan view and a cross-sectional view illustrating a cap of Modification Example 1 of the specific example according to the first invention of the present application.

FIG. 4 is a cross-sectional view showing a cap of Modification 2 of the specific example according to the first invention of the present application.

FIG. 5 is a cross-sectional view showing a cap of Modification 3 of the specific example according to the first invention of the present application.

FIG. 6 is a sectional view showing a cap according to a specific example of the second invention of the present application.

FIG. 7 is a cross-sectional view showing a cap of Modification Example 1 of the specific example according to the second invention of the present application.

FIG. 8 is a cross-sectional view showing a cap of Modification 2 of the specific example according to the second invention of the present application.

FIG. 9 is a sectional view showing a cap and an opening of a specific example according to the third invention of the present application.

FIG. 10 is a sectional view showing a cap and an opening of a modified example of the specific example according to the third invention of the present application.

[Explanation of symbols]

10, 30, 40, 50, 60, 70, 80, 90, 1
00 cap 11, 31, 41, 51, 61, 71, 81, 91, 1
01 Cap body 12, 32, 42, 52 Moving part 13, 92, 102 Opening 16, 65, 96 Through hole 20 Spring means 21 Vent hole 34 Groove 35 Projection 62 Film 95, 107 Closing part 56, 86, 108 Through hole

Claims (5)

[Claims] 1. A cap body detachably attached to an opening of a container for storing a fluid, at least one through hole provided at a position facing the opening of the cap body, and A moving unit that is arranged and is pressed by the opening and moves to close the through hole when the cap body is attached to the opening, at least one ventilation hole provided in the moving unit, and the cap A cap comprising: spring means for pressing the moving portion in a direction away from the through hole in the main body. 2. An inner peripheral surface of the cap main body is provided with at least one groove along a moving direction of the moving unit,
The cap according to claim 1, wherein a protrusion for preventing rotation that engages in the groove is provided at an edge of the moving portion. 3. A cap body removably attached to an opening of a container containing a fluid, at least one through hole provided at a position facing the opening of the cap body, and And a film that is disposed and seals the opening when the cap body is attached to the opening, and that can be broken by human inhalation. 4. A cap body detachably attached to an opening of a container for storing a fluid, and a cap body protruding from a portion of the cap body facing the opening, and being attached to the opening of the cap body. A cap comprising: a closing portion for closing the opening; and at least one through hole provided at a position facing the opening of the cap main body so as to allow breathing through the cap main body. . 5. At a position facing the peripheral surface of the cap body,
The cap according to claim 1, wherein at least one pair of through holes is further provided.