JPH11263359A - Unplugging mechanism for cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an unplugging mechanism for a cap for unplugging a cap which is in a state that a container opening is plugged wherein the cap can be surely closed for a container and unplugging can be easily done at the time of opening. SOLUTION: The unplugging mechanism of a cap comprises a cap 20 for closing an opening 24 of a container body 22, a closing mechanism 25 for locking the cap 20 to the container body 22 in a closed state, a slope 36 formed in the vicinity of the opening 24 of the container body 22, and a control part 32 integrally formed with the cap 20 in a displaceable structure which is displaced upwardly along the slope 36 by being pressed and which unlocks the closing mechanism 25 according to the upward displacement.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap opening mechanism, and more particularly to a cap opening mechanism for opening a cap with a container opening closed.

[0002]

2. Description of the Related Art For example, a container containing shampoo, hand cream and the like is provided with a cap for closing the opening at the opening. The cap is configured to prevent the contents from deteriorating by closing the container when the cap is closed, and to take out the contents by opening the cap when the cap is used.

[0003] Further, in order to surely protect the contents filled in the container, it is necessary that the cap should not be easily opened by a small external impact or the like. For this reason, this type of cap is usually provided with a capping mechanism for locking the cap to the container in a closed state. FIGS. 4 and 5 show an example of a cap 20 having a conventional closure mechanism. FIG. 4 shows a state in which the cap 1 closes the container 2, and FIG. 5 shows a state in which the cap 1 is unlocked by the closing mechanism 5.

[0004] The container 2 has a storage section 3 for storing therein contents (not shown) such as shampoo and hand cream. The contents can be taken out from an opening 4 formed in the upper part of the container 2. An inner wall 6 and an outer wall 7 are formed near the opening of the container 2, and a recess 9 is formed between the walls 6, 7. In order to enhance the sealing performance,
For example, a packing material 10 made of an elastic material such as rubber is loaded. Further, on the outer wall of the outer wall 7, a first fitting projection 8 constituting the closing mechanism 5 is formed.

[0005] On the other hand, the cap 1 is configured so that it can be opened and closed with respect to the container 2 by a hinge (not shown).
At a position near the outer periphery of the cap 1, an annular flange portion 11 is formed extending downward in the figure, and when the cap 1 is closed by the container 2, the liquid is applied to the packing material 10 provided in the recess 9. It is configured to be in close contact. As described above, the annular flange 11 formed on the cap 1 is in liquid-tight contact with the packing material 10 provided on the container 2, so that the sealing performance can be improved.

The outer peripheral wall 12 of the cap 1 is configured to face the outer wall 7 formed on the container 2 in the closed state. On the inner side of the outer peripheral wall 12, a second fitting projection 13 constituting the plugging mechanism 5 is formed. As shown in FIG. 4, the second fitting projection 13 is provided with the first fitting projection 8 formed on the outer wall 7 of the container 2 with the cap 1 closing the opening 4 of the container 2. (The first and second fitting projections 8, 13).
Is called undercut fitting).

[0007] As described above, the closing mechanism 5 having the above-described structure is used.
, The first and second fitting projections 8, 13
Of the cap 1 to the container 2
Is locked in the closed state, so that it is possible to prevent the cap 1 from being easily opened due to an external impact or the like, and to protect the contents and prevent leakage.

On the other hand, when removing the contents from the container 2, the cap 1 is opened to the container 2. Specifically, the first and second fitting protrusions 8 and 13 by the closing mechanism 5 are provided.
The outer peripheral wall 12 of the cap 1 is displaced outward in order to release the undercut fitting. To facilitate this operation, a knob 15 is formed below the outer peripheral wall 12.
As described above, by displacing the outer peripheral wall 12 outward, the undercut fitting between the first fitting projection 8 and the second fitting projection 13 is released. Thereby, the cap 1 is unlocked by the closing mechanism 5 and the cap 1 can be opened.

[0009]

However, in the conventional cap 1 described above, when the cap 1 is opened, it is necessary to displace the outer peripheral wall 12 to the outside. There was a problem that the operability of the plug operation was poor. That is, in order to prevent the deterioration and leakage of the contents, it is necessary to strongly lock the cap 1 to the opening 4, and the undercut fitting force generated between the first and second fitting projections 8 and 13 is strong. Is set. Therefore, in order to release the lock by the closing mechanism 5 at the time of opening, it is necessary to displace the outer peripheral wall 12 to the outside against this strong undercut fitting force, and this operation requires a strong force. .

In order to improve the operability at the time of opening the cap, the sealing performance and airtightness of the cap 1 with respect to the container 2 are reduced, and the leakage of the contents easily occurs when the container 2 falls down. Would. The present invention has been made in view of the above points, and an object of the present invention is to provide a cap opening mechanism that can reliably close a cap with respect to a container and can easily perform an opening process when the cap is opened. And

[0011]

Means for Solving the Problems In order to solve the above problems, the present invention is characterized by taking the following means. According to the first aspect of the present invention, a cap for closing the opening of the container, a closing mechanism for locking the cap to the container in the closed state, an inclined surface formed near the opening of the container, and a cap displaceable. And an operating unit that is displaced upward along the inclined surface by being pressed, and releases the lock of the closing mechanism with the upward displacement. It is a feature.

In the invention according to claim 2, in the cap opening mechanism according to claim 1, a hinge portion is formed on the cap, and the operating portion is displaced about the hinge portion. It is characterized by the following. According to a third aspect of the present invention, in the cap opening mechanism of the first or second aspect, an undercut fitting is used as the closing mechanism.

Further, according to a fourth aspect of the present invention, in the cap opening mechanism according to any one of the first to third aspects, the cap and the container are integrally formed. . Each of the means described above operates as follows. According to the first aspect of the present invention, by providing the capping mechanism, the cap can be locked to the container in the capping state, so that the deterioration and leakage of the contents can be reliably prevented.

An inclined surface is formed in the vicinity of the opening of the container main body, and when the pressing operation is performed, the operating portion is displaced upwardly along the inclined surface. Since the lock is released, the lock of the closure mechanism can be easily released simply by pressing the operation unit. Further, since the operation unit is formed integrally with the cap, the provision of the operation unit does not complicate the structure of the cap, and can suppress an increase in product cost.

According to the second aspect of the present invention, the hinge portion is formed on the cap, and the operating portion is displaced about the hinge portion, so that the operating portion can be easily displaced, and furthermore, the operation can be performed. The operability of the unit can be improved. In addition, since the operation unit itself is not related to the cap closing process, even if the operation unit is configured to be easily displaced, the cap does not easily open.

According to the third aspect of the present invention, since the undercut fitting is used as the closing mechanism, the cap can be securely closed to the container. Further, the undercut fitting can be released by the upward displacement of the cap accompanying the upward displacement of the operation unit.
Further, according to the fourth aspect of the invention, since the cap and the container are integrally formed, the number of parts can be reduced, the manufacturing process can be simplified, and the cost can be reduced.

[0017]

Next, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 and 2 show a cap opening mechanism 40 according to an embodiment of the present invention.
FIG. 3 is a view showing a container 21 to which the opening mechanism 40 is applied.
FIG. 1 is a view showing a locked state of the closure mechanism 25.
FIG. 2 is a diagram showing the unlocked state of the closure mechanism 25.

In the present embodiment, the container 22 is formed of a resin, and is composed of a cap 20 and a container main body 22 when simplified. The container main body 22 has a storage portion 23 formed therein for storing contents (not shown) such as shampoo and hand cream. This content,
It is configured so that it can be taken out from an opening 24 formed in the upper part of the container body 22.

An inner wall 26 and an outer wall 27 are formed in the vicinity of the opening 24 of the container body 22, and each wall 2
A recess 29 is formed between 6 and 27. In order to enhance the sealing property, a packing material 30 made of an elastic material such as rubber is loaded in the recess 29.
In addition, a first fitting protrusion 28 constituting the closing mechanism 25 is formed on the inner wall of the outer wall 27. Furthermore, the outer wall 2
On the outer wall of 7, an inclined surface 36 constituting the opening / closing mechanism 40 is formed. The position at which the inclined surface 36 is formed is configured to correspond to the position at which the operation section 32 described later is formed.

On the other hand, as shown in FIG. 3, the cap 20 is formed integrally with the container main body 22 by the cap hinge 37 and can be opened and closed with respect to the container main body 22. As described above, since the cap 20 and the container body 22 are integrally formed, the number of parts can be reduced,
The manufacturing process can be simplified and the cost can be reduced.

The cap 20 functions as a plug and covers the opening 24. The cap body 20a, an annular flange 31 formed annularly at a position near the outer periphery thereof, and an outer peripheral portion of the annular flange 31 are formed. An outer peripheral wall 38, an operation section 32 formed as a part of the outer peripheral wall 38 and constituting the opening mechanism 40;
Are formed. The annular collar portion 31 is formed to extend downward in FIGS. 1 and 2 from the cap body 20a. This annular collar 31 is
When the cap 20 is closed by the container main body 22 (the state shown in FIG. 1), the packing 20 comes into liquid-tight contact with the packing material 30 provided in the concave portion 29. in this way,
The annular flange 31 formed on the cap 20 is
The sealing property can be improved by adopting a structure in which the packing material 30 disposed in 2 is brought into contact with the packing material 30 in a liquid-tight manner.

On the outside of the annular flange 31, a second fitting projection 33 constituting the closing mechanism 25 is formed.
As shown in FIG. 1, the second fitting protrusion 33 is formed on the outer wall 27 of the container body 22 with the cap 20 closing the opening 24 of the container body 22. It is configured to engage with the projection 28 (the fitting of the first and second fitting projections 28 and 33 is called undercut fitting).

The outer peripheral wall 38 of the cap 20 is configured to face the outer wall 27 formed on the container body 22 in the closed state. The operation section 32 is formed on a part of the outer peripheral wall 38. This operation unit 32
Is configured to be displaceable in the direction indicated by arrow A in FIG. Specifically, an operating portion hinge portion 35 is formed at an upper inner position of the operating portion 32.
Slits (not shown) are formed on both sides of the. Therefore, the operation unit 32 is configured to be displaceable inward (in the direction indicated by the arrow A in FIG. 2) with respect to the outer peripheral wall 38.

As described above, the operation portion hinge portion 35 and the slit are formed in the cap 20 and the operation portion hinge portion 35 is formed.
With the configuration in which the operation unit 32 is displaced around the center, the operation unit 32 is easily displaced, and the operability of the operation unit 32 can be improved. Also, since the operation unit 32 is formed integrally with the cap 20, the operation unit 3
By providing 2, the structure of the cap 20 does not become unnecessarily complicated, and an increase in product cost can be suppressed.

Since the operation section 32 itself is not related to the capping process of the cap 20, even if the operation section 32 is easily displaced, the cap 30 is easily opened from the container body 22. There is nothing. In addition, by selecting a material having high flexibility as the material of the cap 20, even if the slit is not necessarily formed, the operation unit 3 is not required.
2 displacements can be performed.

On the other hand, when taking out the contents from the container body 22, the operation part 32 is pressed inward. As described above, the inclined surface 36 is formed at a position facing the position where the operation portion 32 of the container body 22 is formed. Therefore, when the operation portion 32 is pressed inward, the lower end portion of the operation portion 32 is displaced upward along the inclined surface 36. When the operating portion 32 is displaced upward as described above, the annular flange portion 31 is accordingly moved.
The entire cap 20 includes the upward displacement, including
As shown in (1), the undercut fitting between the first fitting projection 28 and the second fitting projection 33 is released. Thereby, the lock of the cap 20 by the closing mechanism 25 is released, and the cap 20 is in a state where it can be opened with respect to the container body 22.

As described above, in this embodiment, the operation unit 32
The cap 20 by the closing mechanism 25 is only operated by pressing the
Can be released, so that the lock release processing can be easily performed with good operability.

[0028]

According to the present invention as described above, the following various effects can be realized. According to the first aspect of the present invention, an inclined surface is formed near the opening of the container body, and when the pressing operation is performed, the operation unit is displaced upward along the inclined surface. Since the lock of the closure mechanism is released, the lock of the closure mechanism can be easily released simply by pressing the operation unit.

Further, since the operation section is formed integrally with the cap body, the provision of the operation section does not complicate the structure of the cap, and can suppress an increase in product cost. . According to the second aspect of the present invention, the operation unit is easily displaced, and the operability of the operation unit can be improved.

According to the third aspect of the present invention, the cap can be securely closed with respect to the container by using the undercut fitting as the closing mechanism. Further, according to the fourth aspect of the present invention, since the cap body and the container are integrally formed, the number of parts can be reduced, the manufacturing process can be simplified, and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a view for explaining an opening mechanism of a cap according to an embodiment of the present invention, and is a view showing a locked state of a closing mechanism.

FIG. 2 is a view for explaining a cap opening mechanism according to an embodiment of the present invention, and is a view showing an unlocked state of the capping mechanism.

FIG. 3 is a view showing a container to which a cap opening mechanism according to an embodiment of the present invention is applied.

FIG. 4 is a view for explaining a cap opening mechanism, which is one example of the related art, and is a view showing a locked state of a closing mechanism.

FIG. 5 is a view for explaining a cap opening mechanism as an example of the related art, and is a view showing an unlocked state of the closing mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 20 Cap 21a Cap main body 21 Container 22 Container main body 23 Storage part 24 Opening part 25 Closure mechanism 28 First fitting protrusion 30 Packing material 31 Annular flange part 32 Operation part 33 Second fitting protrusion 35 Hinge part for operation part 36 Inclined surface 37 Hinge for cap 40 Opening mechanism

Claims (4)

[Claims] 1. A cap for closing an opening of a container, a closing mechanism for locking the cap to the container in a closed state, an inclined surface formed near an opening of the container, and a cap displaceable to the cap. And an operating portion that is integrally formed with the configuration, and that is upwardly displaced along the inclined surface by being pressed, and unlocks the closure mechanism with the upwardly displaced displacement. Cap opening mechanism. 2. The cap opening mechanism according to claim 1, wherein a hinge portion is formed on the cap, and the operating portion is displaced about the hinge portion. mechanism. 3. The cap opening mechanism according to claim 1, wherein an undercut fitting is used as the closing mechanism. 4. The cap opening mechanism according to claim 1, wherein the cap and the container are formed integrally.