JP5122206B2 - Hinge cap - Google Patents

Description

  The present invention relates to a hinge cap, in particular, a hinge cap that prevents the upper lid from being opened by heating the air in the upper lid of the cap by the heat-sterilized content liquid filled in the container and increasing the internal pressure. It is.

In a hinge cap that is filled with heated content liquid for sterilization, after filling the content liquid and plugging the hinge cap, the inside of the container is sterilized, and then washed and cooled with a hot water shower from the outside of the container. Has been done more.
Further, in order to prevent the upper lid from opening due to an increase in air pressure in the cap due to the heat treatment for sterilization, the main protrusion is formed on the protrusion of the upper lid that engages with the protrusion for engagement of the cap body. It is also conventionally known to provide an auxiliary protrusion and to double the locking mechanism to prevent the upper lid from being opened (see, for example, Patent Document 1).
JP-A-11-35061

  However, since the conventional hinge cap described in Patent Document 1 prevents the upper lid from further rising and prevents the upper lid from being opened by engaging the auxiliary protrusion, the user opens and closes the upper lid. In order to do this, the auxiliary protrusion has to get over the protrusion for engagement of the cap body, and there is a problem that a large force is required for opening the lid.

  An object of the present invention is to solve the above-described problems, and the upper lid of the hinge cap is not opened due to an increase in the pressure of air in the cap due to heating, and the user does not need a strong force. An object is to provide a hinge cap capable of opening and closing an upper lid.

In order to solve the above-described problems, the present invention provides a hinge cap that is attached to a mouth tube portion of a container as a hinge cap, and includes a cap body and an upper lid. The cap body includes a dispensing tube and a container mouth tube portion. It has an engaging cylinder part to be fitted and an outer peripheral cylinder part that is provided with a hinge on the outer periphery of the upper end. The engaging cylinder part is provided with a lid engaging part that engages with the upper lid. A lid engaging piece is provided on the outer peripheral upper end on the opposite side of the hinge via a weakened portion, the upper cover includes a top wall and an outer cylindrical wall, and the inner peripheral lower end of the outer cylindrical wall is expanded in diameter, An engaging portion that engages with the lid engaging portion of the engaging cylinder portion of the cap body is provided. A hinge is provided continuously at a predetermined position on the lower end of the outer periphery, and a knob is provided on the opposite side of the hinge. The center part of the knob part and the upper part of the lid engaging piece are engaged.

  As an example of the knob portion, an engagement recess is formed in the center of the lower surface of the knob portion of the upper lid, and the engagement recess fits with an engagement portion provided on the upper portion of the lid engagement piece of the cap body. The structure characterized by this is adopted.

  As another embodiment of the knob portion, an engagement hole is formed in the center of the knob portion of the upper lid, and the lid engagement piece of the cap body is fitted into the engagement hole, and the upper edge of the engagement hole is inserted. The configuration is characterized in that the upper part of the lid engaging piece of the cap body is hooked.

A lid engaging portion is provided on the upper surface of the engaging cylinder portion of the cap body, a lid engaging piece is provided on the upper end of the outer peripheral cylindrical portion, and an engaging portion is provided on the lower end of the outer cylindrical wall of the upper lid. Since the knob recess provided in the lower end is provided with an engagement recess into which the lid engaging piece is fitted, the cap main body and the upper lid are connected to the lid engaging part and the engaging part, and the lid engaging piece and the knob part. Mated by two places.
Accordingly, the fitting force between the cap body and the upper lid is strengthened to prevent the lid from being opened due to an increase in pressure in the upper lid, and the fitting force is dispersed, so that the user can remove the upper lid more easily.

  Next, examples of the hinge cap of the present invention will be described with reference to the drawings.

  1 and 2, A is a cap body that is plugged into the container body, and B is an upper lid that is integrally formed with the cap body A via a hinge C.

  The cap body A includes a bottom wall 1, a pouring cylinder 2 provided continuously around the periphery of the bottom wall 1, and an engaging cylinder portion provided continuously from the outer periphery of the lower end of the pouring cylinder 2 via the ring-shaped bottom wall 3. 4 and an outer peripheral cylindrical portion 5 that is connected to the outer periphery of the engagement cylindrical portion 4 at a constant interval and has a hinge C connected to the outer periphery of the upper end.

  The bottom wall 1 is provided with a removal portion 7 defined by a thin weakened portion 6 that opens the spout, and a pull ring 8 is provided on the upper surface of the removal portion 7 to pull up the removal portion when opened. Yes.

The engaging cylinder portion 4 is provided on the ring-shaped upper wall 9, the inner cylinder 10 that is suspended from the inner peripheral edge of the upper wall 9 and connected to the outer peripheral edge of the ring-shaped bottom wall 3 on the inner periphery, and the outer peripheral edge of the upper wall 9. The outer cylinder 11 is provided on the top of the upper wall 9 and the lid engaging portion 12 is engaged with the upper lid B.
Engagement ridges 13 that engage with the outer periphery of the mouth tube portion of the container main body are provided on the inner periphery of the outer tube 11. The cap body A is attached to the mouth tube portion of the container body by sandwiching the mouth tube portion of the container body by the inner periphery.

  The outer periphery of the lower end of the outer cylinder 11 and the inner periphery of the lower end of the outer cylinder part 5 are connected pieces 14 provided on the opposite side of the hinge C of the outer cylinder part 5 and a plurality of breakable weakening pieces arranged at intervals. 15 are connected to each other.

  On the outer periphery of the lid engaging portion 12, a reduced diameter portion 16 that is reduced in diameter from the outer periphery of the outer cylinder 11 and a bulging portion 17 that is expanded in diameter from the reduced diameter portion 16 are formed at the upper end portion.

A lid engaging piece 19 is connected to the outer peripheral upper end of the outer peripheral cylindrical portion 5 on the side opposite to the hinge C via a weakened portion 18.
At the upper end portion of the lid engaging piece 19, an engaging portion 19a whose upper portion bulges is provided.

  The upper lid B is composed of a top wall 20 and an outer cylindrical wall 21 suspended from the periphery of the top wall 20, and is sealed on the lower surface of the top wall 20 to be inserted into the inner periphery of the pouring cylinder 2 of the cap body A. A ring 22 is suspended.

  The inner peripheral lower end of the outer cylinder wall 21 is enlarged in diameter, and an engaging portion 23 that engages with the outer periphery of the lid engaging portion 12 of the engaging cylindrical portion 4 of the cap body A is provided. Is provided with a hinge C, and on the opposite side of the hinge C, a knob 24 is provided.

When the cap is closed, the engaging portion 23 comes into contact with and engages with the upper surface of the lid engaging portion 12 of the cap main body A, and the side inner surface 23b engaged with the outer periphery of the lid engaging portion 12. Is formed.
An engagement protrusion 25 that engages with the bulging portion 17 of the lid engagement portion 12 of the cap body A is provided at the lower end of the side inner surface 23b.

  At the center of the bottom surface of the knob portion 24, an engagement recess 27 is provided with a fitting portion 26 for fitting with the engagement portion 19a of the lid engagement piece 19 of the cap body A.

Next, the effect of the hinge cap of a present Example is demonstrated.
When closing the hinge cap, the engaging portion 23 of the upper lid B and the lid engaging portion 12 of the cap body A are engaged, and the cap body A is inserted into the engaging recess 27 of the knob 24 of the upper wall B. The lid engaging piece 19 is fitted, and the upper lid B is closed to the cap body A.
The container body is filled with the heated content liquid, and a closed hinge cap is plugged into the mouth tube portion of the container body from above.

The hinge cap of the present embodiment adds a fitting force of the upper lid B to the cap body A by engaging the engaging recess 27 of the knob 24 of the upper wall B with the lid engaging piece 19 of the cap body A. Therefore, even if the fitting force between the engaging portion 23 of the upper lid B and the lid engaging portion 12 of the cap main body A is not so strong, the lid can be prevented from opening.
The fitting force between the cap body A and the upper lid B immediately after heating and filling may be 6 to 13 Newtons, and the distribution between the fitting force by the lid engaging portion 12 and the fitting force by the lid engaging piece 19 can be appropriately selected.

When the upper lid B is opened, when a finger or the like is put on the knob 24 of the upper lid B and the upper lid B is rotated about the hinge C as a fulcrum, as shown in FIG. And the weakened portion 18 connecting the outer peripheral cylindrical portion 5 is cut, and the upper lid B is opened while the lid engaging piece 19 remains in the engaging concave portion 27 of the knob portion 24.
If necessary, the lid engaging piece 19 may be removed from the engaging recess 27 of the knob 24 after the lid is opened.

  In the hinge cap of the present invention, the engaging recess 27 of the knob 24 of the upper wall B and the lid engaging piece 19 of the cap body A are engaged, and a fitting force of the upper lid B to the cap body A is added. By doing so, the fitting force between the engaging portion 23 of the upper lid B and the lid engaging portion 12 of the cap body A can be set weakly. Therefore, when the lid is opened, the lid engaging piece 19 and the knob portion By removing the fitting between the upper lid B and the cap body A by 24, the user can more easily open and close the upper lid.

When discarding the container, the hinge cap of the present invention first opens the upper lid B and pulls the upper lid B up to raise the outer peripheral cylindrical portion 5 of the cap main body A via the hinge C, and the outer peripheral cylindrical portion. The weakening piece 15 between 5 and the engagement cylinder part 4 is cut | disconnected.
Next, with the connecting piece 14 between the outer peripheral cylindrical portion 5 and the engaging cylindrical portion 4 as a fulcrum, when the hinge C side of the outer peripheral cylindrical portion 5 rises and the upper lid B is pulled, the connecting piece 14 of the outer peripheral cylindrical portion 5 is pulled. The side is also raised.

  Finally, since only the connecting portion side of the outer cylinder 11 of the engaging cylinder portion 4 is pulled via the connecting piece 14, the outer cylinder 11 of the engaging cylinder portion 4 is deformed, and the cap body A and the container body opening The engagement with the cylindrical portion is released, and the hinge cap can be easily removed from the container main body, and can be separated and discarded.

Next, a description will be given of a second embodiment in which the configurations of the knob portion on the upper wall of the hinge cap of the first embodiment and the lid engaging piece of the cap body are changed.
The same components as in the first embodiment of the present embodiment are denoted by the same reference numerals, detailed description is omitted, and differences will be mainly described.

    In FIG. 4, Aa is a cap body that is plugged into the container body, and Ba is an upper lid that is integrally formed with the cap body A via a hinge C.

  A lid engaging piece 31 is provided on the outer peripheral upper end of the outer peripheral cylindrical portion 5 of the cap main body Aa on the opposite side of the hinge C via a weakening portion 30. The upper and inner upper ends of the lid engaging piece 31 are slightly The diameter has been expanded.

In the center of the knob 24 of the upper lid Ba, an engagement hole 32 into which the lid engagement piece 31 of the cap main body Aa is fitted is formed.
The upper end edge of the engagement hole 32 is configured such that the enlarged diameter portion of the upper end of the lid engagement piece 31 is hooked when the lid engagement piece 31 of the cap body Aa is inserted.

Next, the effect of the hinge cap of a present Example is demonstrated.
The engaging portion 23 of the upper lid Ba is engaged with the lid engaging portion 12 of the cap main body Aa, and the lid engaging piece 31 of the cap main body A is fitted into the engaging hole 32 of the knob portion 24 of the upper wall Ba. The upper lid Ba is closed to the cap main body Aa.

When the upper lid Ba is opened, when a finger or the like is put on the knob 24 of the upper lid Ba and the upper lid Ba is rotated with the hinge C as a fulcrum, as shown in FIG. 5, the lid engaging piece 31 of the cap body Aa. The weakened portion 30 that connects the outer peripheral cylindrical portion 5 is cut, and the upper lid Ba is opened while the lid engaging piece 31 remains in the engaging hole 32 of the knob 24.
Other functions and effects are the same as those of the first embodiment.

  In the hinge cap, the contents of the container or the air in the hinge cap is heated by a hot water shower, and even if the internal pressure rises, the upper lid of the hinge cap can be prevented from opening. It can be widely used as a hinge cap for a container of the liquid to be heated and filled.

It is explanatory drawing of the hinge cap of 1st Example of this invention, (a) is sectional elevation, (b) is a principal part enlarged view. It is an upper side figure at the time of lid opening of a hinge cap. It is principal part expansion explanatory drawing at the time of lid opening of a hinge cap. It is explanatory drawing of the hinge cap of 2nd Example of this invention, (a) is a sectional elevational view, (b) is a principal part enlarged view. It is principal part expansion explanatory drawing at the time of lid opening of a hinge cap.

Explanation of symbols

A, Aa Cap body B, Ba Top lid C Hinge 1 Bottom wall 2 Extraction cylinder 3 Ring-shaped bottom wall 4 Engagement cylinder part 5 Outer cylinder part 6, 18, 30 Weakening part 7 Removal part 8 Pull ring 9 Upper wall 10 Inner cylinder DESCRIPTION OF SYMBOLS 11 Outer cylinder 12 Lid engagement part 13 Engagement protrusion 14 Connection piece 15 Weakening piece 16 Reduced diameter part 17 Expansion part 19, 31 Lid engagement piece 19a Engagement part 20 Top wall 21 Outer cylinder wall 22 Sealing ring 23 Engagement Joint portion 23a Upper inner surface 23b Side inner surface 24 Knob portion 25 Engagement protrusion 26 Fitting portion 27 Engagement recess 32 Engagement hole

Claims (3)

In the hinge cap attached to the mouth tube portion of the container and consisting of a cap body and an upper lid,
The cap body includes an extraction cylinder, an engagement cylinder part fitted to the container mouth cylinder part, and an outer peripheral cylinder part continuously connecting a hinge to the outer periphery of the upper end.
The engaging tube portion is provided with a lid engaging portion that engages with the upper lid,
The outer peripheral cylinder part is provided with a lid engaging piece via a weakened part at the outer peripheral upper end on the opposite side of the hinge,
The upper lid has a top wall and an outer cylinder wall,
The inner cylindrical lower end of the outer cylindrical wall is enlarged in diameter, and an engaging portion that engages with the lid engaging portion of the engaging cylindrical portion of the cap body is provided, and a hinge is continuously provided at a predetermined position of the outer peripheral lower end. On the opposite side of the hinge, a knob is provided,
A hinge cap characterized in that a center portion of a knob portion is engaged with an upper portion of a lid engaging piece.
At the center of the lower surface of the knob portion of the upper lid, an engagement recess is provided,
2. The hinge cap according to claim 1, wherein the engaging recess fits with an engaging portion provided on an upper portion of the lid engaging piece of the cap body. An engagement hole is drilled in the center of the knob of the upper lid,
The lid engaging piece of the cap body is inserted into the engaging hole,
The hinge cap according to claim 1, wherein an upper portion of a lid engaging piece of the cap body is hooked on an upper end edge of the engaging hole.

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