JP2002053165A - Protective cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent any blowout accident of a content caused by an unexpected detachment of a protective cap covering an operation part of a spray vessel or a pump vessel. SOLUTION: A ring 3 formed of a rigid material and having a swollen part 3a at a predetermined position of the inner circumference is turnably mounted on the outside of a cap body 2 formed of a flexible synthetic resin. By turning the ring 3, the swollen part 3a is positioned to the outside of an engaging protruded part 2a of the cap body 2 to regulate the outward deflection of a lower end of the cap body 2 and prevent the engaging protruded part 2a from riding over an engaging protruded edge 4a on a vessel body 4 side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective cap mounted on a body of an aerosol container or a pump container so as to cover the operating portion of the container such that the operating portion cannot be pushed.

[0002]

2. Description of the Related Art FIG. 6 is a longitudinal sectional view showing a state in which a conventional protective cap is attached to a spray container. As shown in the drawing, the protective cap 10 has a substantially cylindrical shape with a cover, and is provided with a plurality of engaging projections 10a on the inner periphery of the lower end thereof.
It is integrally formed of a synthetic resin having flexibility.

The protective cap 10 is put on the container body 14 so as to cover an operation section 15a such as a nozzle 15 provided on the upper part of the container body 14 such as a spray container, and is pressed downward in this state. As a result, the engagement protrusion 10a provided on the inner periphery of the lower end of the container body rides over the engagement protrusion edge 14a formed on the outer periphery of the upper end of the container body 14, and fits under the container. Engage and attach.

In order to remove the protective cap 10, the protective cap 10 is forcibly pulled out of the container body 14 so that the engaging projection 10a and the engaging projection 14a are disengaged. Made by

As described above, when the conventional protective cap 10 is attached to and detached from the container body 14, the lower end thereof is forcibly elastically deformed, and the elastic restoring force at that time causes the engagement and disengagement with the container body 14 to be performed. I was

In FIG. 6, reference numeral 14b is provided so as to protrude above the container main body 14, and has a nozzle 15
Indicates a spout attached.

[0007]

In the above-mentioned conventional protective cap, the lower end of the protective cap is forcibly bent so as to be disengaged from the container main body. When an external force acts on the container, the protective cap may unexpectedly come off the container body. Therefore, for example, if the container covered with this protective cap is carried in a bag or the like, the protective cap is removed from the container body without your knowledge, and the exposed operation unit is pushed to uncover the contents. Leaks out and contaminates the inside of the bag.

An object of the present invention is to solve the problems of the above-mentioned conventional protective cap.

[0009]

In order to solve the above-mentioned problems, the present invention provides a protective cap attached to cover an operation part such as an aerosol container or a pump container at a plurality of locations on the inner periphery of the lower end. A cap body formed of a synthetic resin having a substantially cylindrical shape and having flexibility provided with an engagement projection engaged with an engagement projection of a main body or a shoulder cover, and bulging portions at a plurality of locations on an inner circumference. And a rigid ring rotatably attached to the outer periphery near the lower end of the cap body, and by rotating the ring, the bulging portion engages with the engaging projection via the peripheral wall of the cap body. To prevent deformation of the lower end of the cap main body and prevent the cap main body from being disengaged from the side of the container main body engaged with the cap main body.

According to a second aspect of the present invention, in addition to the configuration of the first aspect of the present invention, a pair of upper and lower projecting ridges for locking the ring so that it cannot be pulled out is provided on the outer periphery near the lower end of the cap body. It is characterized by the following.

[0011] The invention according to claim 3 is the invention according to claim 1 or 2.
In the configuration of the invention described above, a stopper mechanism including a projection or unevenness for regulating or positioning the rotation range of the ring by engaging with the outer periphery of the cap body and the inner periphery or the edge of the ring is provided. It is characterized by the addition of the following configuration.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on illustrated embodiments.

FIG. 1 is a perspective view showing a state in which a protective cap 1 of the present invention is mounted on a container body 4 of a spray container.
Is a longitudinal sectional view of the main part. FIG. 3 shows a cross section taken along line AA of FIG.

As shown, the protective cap 1 of the present invention
Is mounted on the container main body 4 of the spray container so as to cover the operation section 5, and has a configuration in which an annular ring 3 is mounted on the outside of the cap main body 2 having an open lower surface. I have.

The cap body 2 is, like the conventional one,
The cover is formed of a flexible synthetic resin into a substantially cylindrical shape with a cover, and a plurality (three in the illustrated example) of engagement projections 2a are integrally formed on the inner periphery of the lower end thereof to protrude inward. is there. Further, a flange-shaped ridge 2c protruding outward is provided at the lower end of the cap main body 2, and one outer periphery of the cap main body 2 above the ridge 2c is provided in parallel with the ridge 2c. Are provided.

The ring 3 has an inner diameter substantially equal to the outer diameter of the cap body 2 and has a height (length in the vertical direction in FIG. 2) substantially equal to the interval between the ridges 2b and 2c. , Made of hard synthetic resin, metal, or the like, and has rigidity that does not easily deform. In addition, the ring 3 is provided with bulging portions 3a integrally formed at a plurality of locations (three locations in the illustrated example) on the inner circumference. That is,
The ring 3 is formed in a shape in which the portion where the bulging portion 3a is provided is thick and the other portion is thin.

The ring 3 having the above structure is forcibly fitted between the ridges 2b and 2c of the cap body 2 so that
As shown in FIG. 2, it is non-detachably and rotatably attached to the outside of the cap body 2, thus completing the protective cap 1 of the present invention.

The protective cap 1 of the present invention having the above-described structure.
Is put on the container body 4 so as to cover the nozzle 5 attached to the spout 4b provided so as to protrude above the container body 4 and the operation part 5a thereof, and is pressed downward in this state. As a result, the engaging protrusion 2c provided on the inner periphery of the lower end of the cap body 2 is brought into contact with the engaging protrusion 4a formed as a winding edge on the outer periphery of the upper end of the container body 4, whereby the lower end of the cap body 2 Deflection, the engagement protrusion 2c becomes the engagement protrusion 4a
, And fits underneath.
Thus, the protective cap 1 is attached to the container body 4 as shown in FIG.

At this time, the bulging portion 3a provided on the inner periphery of the ring 3 is located outside between the engaging projections 2a of the cap body 2 as shown in FIG. Therefore, a predetermined gap 6 is formed between the ring 3 and the outside of the container body 2 at the location where the engagement protrusion 2a is provided, and the engagement protrusion 2a forms the engagement protrusion 4a. When riding over, the lower end of the cap main body 2 is prevented from bending outward.

After the protective cap 1 has been engaged with the container body 4 in this manner, the ring 3
As shown in FIG. 5, the bulging portion 3a is rotated to a position where the bulging portion 3a faces the engaging protrusion 2a via the peripheral wall of the cap body 2. This closes the gap between the ring 3 and the surface of the container body 2 outside the location where the engaging projection 2a is provided, and prevents this portion from bending outward. Therefore,
The engaging projection 2a cannot get over the engaging projection 4a, and the protective cap 1 is locked so as not to be disengaged from the container body 4.

Therefore, even if the spray container is carried in this state, there is no possibility that the protective cap 1 is accidentally detached. Therefore, the operation portion 5a is pushed against another, and the contents in the container are inadvertently removed. There is no risk of spouting.

In use, the ring 3 may be rotated so that the bulging portion 3a is located between the engaging projections 2a, 2a, which is opposite to the above. Collar 2a
A gap 6 is formed between the outside of the container main body 2 at the location where is provided and the ring 3 so that this portion can be bent outward as shown by a horizontal arrow in FIG. Become.
Therefore, if the cap main body 2 is pulled up, the engagement can be easily released, and the spray container can be used by pushing the operating portion 5a of the nozzle 5 appearing in this manner. Things.

As described above, the protective cap 1 of the present invention
Can be locked so as not to be easily detached from the container body 4 when carrying.

In the above description, a spray container filled with gas has been exemplified as the container body 4 to which the protective cap 1 is attached.
Any container may be used as long as the contents are likely to pop out by pushing of the operation unit 5a, and for example, a container such as a pump container may be used.

In the above, the protective cap 1 is formed by engaging the engaging protrusion 2a of the cap body 2 with the engaging protrusion 4a formed as a winding edge on the outer periphery of the upper end of the container body 4. Although the cap body 2 is attached to the container body 4 as an example, the cap body 2 is an operation unit 5a of the container body 4.
The engaging projection 4a with which the engaging projection 2a engages may be attached to the container body 4 so as to cover the shoulder. It may be provided on a cover (not shown) or the like.

Further, in the illustrated embodiment, the engagement protrusions 2a are provided at three places on the inner periphery of the cap body 2, and the bulges 3a are also provided on the inner periphery of the ring 3 to correspond to the engagement protrusions 2a. Although the one provided at three places is illustrated, the engagement protrusion 2
A and a plurality of bulging portions 3a may be provided so as to correspond to each other. For example, two or four bulging portions 3a may be provided.

Although not shown, the cap body 2
Locking and unlocking can be achieved by providing a stopper mechanism consisting of projections and projections and depressions for restricting or positioning the rotation range of the ring 3 by engaging the outer periphery of the ring and the inner periphery or the edge of the ring 3 with each other. In this case, the rotation operation of the ring 3 is easy to perform, which is convenient.

[0028]

As described above, according to the first aspect of the present invention, the protective cap has a cap body formed of a synthetic resin having flexibility and rigidity attached to the outside thereof. It is composed of a ring and the rotation of the ring prevents the disengagement between the cap body and the container body side, so that the accidental ejection of the contents due to the removal of the protective cap is prevented with a simple operation, This has the effect of making it easier to carry a spray container or the like.

According to the second aspect of the present invention, a pair of upper and lower ridges are provided on the outer periphery near the lower end of the cap body, and the ring is irremovably locked between the ridges. It has the effect of being manufactured and assembled.

According to the third aspect of the present invention, the outer periphery of the cap body and the inner periphery or the edge of the ring are engaged with each other to thereby form a projection or irregularities for regulating or positioning the rotation range of the ring. The provision of the stopper mechanism facilitates the locking and unlocking operations of the protective cap, and has the effect of improving the handleability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a protective cap according to an embodiment of the present invention is attached to a spray container.

FIG. 2 is a longitudinal sectional view of a main part of FIG.

FIG. 3 is a cross-sectional view taken along line AA of FIG.

FIG. 4 is a longitudinal sectional view of a main part showing a locked state of the protective cap according to the present invention.

FIG. 5 is a sectional view taken along line BB in FIG. 4;

FIG. 6 is a longitudinal sectional view of a main part of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Protective cap 2 Cap main body 2a Engagement projection 2b, 2c Ridge 3 Ring 3a Swell

Claims (3)

[Claims] 1. A protective cap attached to cover an operation unit such as an aerosol container or a pump container, wherein the protective cap is provided at a plurality of locations on the inner periphery of a lower end and at an engaging projection of a container body or a shoulder cover. A cap body formed of a synthetic resin having flexibility in a substantially cylindrical shape with a cover provided with an engagement protrusion to be engaged, and a bulging portion provided at a plurality of locations on the inner periphery, and a lower end of the cap body And a rigid ring rotatably attached to the outer periphery of the cap body. By rotating the ring, the bulging portion is moved to a position facing the engaging projection via the peripheral wall of the cap body. The protective cap is characterized in that the lower end of the cap body is prevented from being deformed so that the cap body does not come off from the engaged container body side. 2. The protective cap according to claim 1, wherein a pair of upper and lower ridges are provided on an outer periphery near a lower end of the cap body so as to irremovably lock the ring. 3. A stopper mechanism comprising projections and projections and depressions for regulating or positioning the rotation range of the ring by engaging with the outer periphery of the cap body and the inner periphery or the edge of the ring. The protective cap according to claim 1 or 2, wherein: