JP6053351B2 - Hinge cap - Google Patents

Description

  The present invention relates to a hinge cap in which an upper lid is connected to a cap body attached to a mouth portion of a container via a hinge, and in particular, air in the cap is heated by a heat-sterilized content liquid filled in the container. The present invention relates to a hinge cap that prevents the internal pressure from rising and the upper lid of the cap from opening, and prevents the hot water from being sucked into the cap during cooling by the hot water shower.

  In the hinge cap attached to the container filled with the heated content liquid for sterilization, the content liquid is filled to sterilize the inside of the container, the hinge cap is plugged and attached to the container, and then from the outside of the container Washing and cooling with a hot water shower has been conventionally performed.

JP 2000-272648 A

However, in the container with a hinge cap described in Patent Document 1, when the air pressure in the cap suddenly rises due to heating, the air pressure presses the side wall portion (22) of the upper lid (20) and deforms outward. Thus, the engagement between the side wall portion (22) and the engagement recess (9) of the inner lid (2) may be released, and the upper lid (20) may be opened.
Also, since the air flow passage is formed or closed by the air pressure inside the cap, when the air pressure inside the cap is increased and the air flow passage is formed, cooling with a hot water shower from the outside of the container, There was a problem that the air pressure in the cap suddenly decreased, and the hot air was sucked into the cap together with the air before the air flow passage was closed.

  An object of the present invention is to solve the above-described problems, and prevents the upper lid from opening even when the pressure of air in the cap increases due to heating, and prevents hot water from entering the cap during hot water showering. An object of the present invention is to provide a hinge cap that can be prevented.

In order to solve the above-described problems, the present invention provides a hinge cap comprising a cap body mounted on a mouth tube portion of a container as a hinge cap, and an upper lid connected to the cap body via the hinge. Has a top wall with a lid-engaging tube portion standing on the upper surface of the periphery, an outer tube suspended from the outer periphery of the upper wall and engaging the outer periphery of the mouth tube portion of the container, and a gap formed on the outer periphery of the outer tube The upper cover includes a top wall and a side peripheral wall suspended from the outer edge of the top wall, and a lid engaging tube portion of the cap body is provided at the inner peripheral lower portion of the side peripheral wall. An engagement step portion that engages with the outer peripheral ring is recessed, and the lower end surface of the side peripheral wall is fitted into a gap between the outer ring and the outer cylinder of the cap body, and the outer periphery contacts the upper inner periphery of the outer ring. A ring-shaped cylinder that is in contact with and seals the outer peripheral upper end of the outer cylinder is suspended. Adopted to.

  As an embodiment of the ring-shaped cylinder, a configuration is adopted in which a seal protrusion that protrudes from the inner peripheral lower end of the ring-shaped cylinder to engage with the outer peripheral upper portion of the outer cylinder is provided.

  The hinge cap according to the present invention is configured such that a ring-shaped cylinder suspended from the lower end surface of the side peripheral wall of the upper lid is inserted into a gap between the outer ring of the cap body and the outer cylinder when the lid is closed. Later, the outer periphery of the ring-shaped cylinder of the upper lid is located at the upper part of the inner periphery of the outer ring, even if an attempt is made to deform the side peripheral wall of the upper lid to the outside by increasing the pressure of the heated content liquid or the air in the cap by a hot water shower. It can contact | abut and can prevent that a side peripheral wall spreads outside, and can prevent that an upper cover opens.

  Moreover, since the inner periphery of the ring-shaped cylinder of the upper lid is fitted to the upper outer periphery of the outer cylinder of the cap body, it is possible to prevent the water from the hot water shower from entering the cap.

BRIEF DESCRIPTION OF THE DRAWINGS It is a cross-sectional side view which shows the closed state of the hinge cap of this invention, (a) is a general view, (b) is a principal part enlarged view. It is a figure which shows the cover open state of a hinge cap, (a) is a top view, (b) is a cross-sectional side view.

Next, an embodiment of the hinge cap of the present invention will be described with reference to the drawings.
In FIGS. 1 and 2, A is a cap body attached to the mouth tube portion of the container, and B is an upper lid connected to the cap body A via a hinge C.

  The cap main body A is continuously provided with a gap a formed on the outer periphery of the mounting tube portion 1, the dispensing tube portion 2, and the mounting tube portion 1 mounted on the mouth tube portion of the container. And an outer ring 3 in which a hinge C is continuously provided.

  The mounting cylinder 1 includes an annular upper wall 5 in which a lid engaging cylinder 4 is erected on the peripheral upper surface, an inner cylinder 6 suspended from the inner periphery of the upper wall 5, and an outer periphery of the upper wall 5. The outer cylinder 7 is provided.

  On the outer periphery of the lid engaging cylinder portion 4, an outward protrusion 8 that engages with the upper lid B is provided.

An engaging projection 9 that engages with the outer periphery of the mouth tube portion of the container is provided at the lower inner periphery of the outer tube 7, and is arranged on the opposite side of the outer periphery of the outer tube 7 from the hinge C side. The connected connecting piece 10 and a plurality of breakable weakening pieces 11 arranged with a gap from both sides of the connecting piece 10 to the hinge C side are continuously provided.
The lower end of the inner periphery of the outer ring 3 is connected to the outer edges of the connecting piece 10 and the weakening piece 11 to form a gap a, and the outer ring 3 is connected to the outer cylinder 7.

The extraction cylinder 2 is connected to the lower inner periphery of the inner cylinder 6 of the mounting cylinder 1 and extends upward, and the partition wall 13 provided at a predetermined position on the inner periphery of the extraction cylinder 12. In the partition wall 13, a removal portion 15 that forms a spout by the weakening groove 14 is formed.
A pull ring 16 is erected on the removal unit 15 via a support column.

  The top lid B is suspended from the top wall 20, the outer edge of the top wall 20, a hinge C is continuously provided at a predetermined position on the lower end of the outer periphery, and a side peripheral wall 21 having a knob on the opposite side of the hinge C, An inner cylinder wall 22 is provided so as to be suspended from the lower surface of the wall 20 and the lower end of the outer periphery engages with the inner periphery of the extraction cylinder 12 of the cap body A.

  An engaging step portion 23 that engages with the lid engaging cylinder portion 4 of the cap body A is recessed in the inner peripheral lower portion of the side peripheral wall 21, and the outer peripheral ring 3 of the cap body A is formed on the lower end surface of the side peripheral wall 21. A ring-shaped cylinder 24 that is inserted into a gap a between the outer cylinder 7 and the outer cylinder 7 is suspended.

  The engaging step portion 23 includes a top surface 23a that engages with the upper surface of the lid engaging cylinder portion 4 and an inner peripheral surface 23b that engages with the outer peripheral surface of the lid engaging cylinder portion 4, and a lower portion of the inner peripheral surface 23b. An inwardly extending ridge 25 is provided so that the upper part engages with the lower part of the outwardly extending ridge 8 of the lid engaging cylinder portion 4.

  At the lower end portion of the inner periphery of the ring-shaped tube 24, a projecting protrusion 26 is provided so that the inner side engages with the outer periphery of the outer tube 7.

Next, usage modes and operational effects of the hinge cap of the present invention will be described.
After the container is filled with the heated content liquid, the upper lid B is closed, and the cap body A and the upper lid B are engaged and the hinge cap closed is plugged into the mouth of the container and attached.
Next, it is washed and cooled with a hot water shower from the outside of the container.

  When the upper lid B is closed, the engaging step portion 23 of the side peripheral wall 21 of the upper lid B and the lid engaging tube portion 4 of the cap body A are engaged, and the inward protrusion 25 of the engaging step portion 23 is engaged. And the lower part of the outward protrusion 8 of the lid engaging cylinder part 4 are fitted together to form a first seal part.

  Further, when the cover is closed, the ring-shaped cylinder 24 of the side peripheral wall 21 of the upper cover B is fitted into the gap a between the outer peripheral ring 3 and the outer cylinder 7 of the cap body A, and the seal protrusion 26 of the ring-shaped cylinder 24 is inserted. Is engaged with the outer peripheral upper portion of the outer cylinder 7 to form a second seal portion, and the outer periphery of the ring-shaped cylinder 24 abuts on the inner peripheral upper portion of the outer peripheral ring 3 and is closed.

  In the hinge cap of the present invention, the ring-shaped cylinder 24 of the upper lid B is not limited to the cap body even if the circumferential shape of the outer ring 3 is in the molding or there is a product shape defect such as deformation or distortion caused by the stopper. The outer ring 3 is inserted between the outer ring 3 and the outer cylinder 7, and the outer periphery of the ring-shaped cylinder 24 is engaged with the inner peripheral upper part of the outer ring 3. It can be held in a good-looking shape.

  Further, after the lid is closed, even if the heated content liquid or the air in the cap is heated by a hot water shower, the pressure rises and the side peripheral wall 21 of the upper lid B is deformed outward, the ring shape of the upper lid B It is possible to prevent the outer periphery of the cylinder 24 from engaging with the inner peripheral upper part of the outer peripheral ring 3 and to spread the side peripheral wall 21 outward, and the upper part of the inwardly extending ridge 25 of the engaging step 23 of the side peripheral wall 21 and the cap body. It is possible to prevent the upper lid B from being opened without weakening the fitting force with the lower portion of the outward projection 8 of the A lid engaging cylinder portion 4.

  Furthermore, the second seal portion is formed by fitting the inner peripheral end of the seal protrusion 26 of the ring-shaped cylinder 24 with the outer peripheral upper portion of the outer cylinder 7, and the water of the hot water shower enters the cap, or It is possible to prevent water from being sucked into the cap due to the negative pressure in the cap due to cooling.

The hinge cap of the present invention is disposed of after the consumer uses all the contents.
In that case, when the outer ring 3 of the cap body A is pulled up via the hinge C by first opening the upper cover B and pulling it up, the space between the outer ring 3 and the outer cylinder 7 of the mounting cylinder part 1 is increased. The weakening piece 11 is broken from the hinge C side.
When the upper lid B is further pulled, the hinge C side of the outer ring 3 rises with the connecting piece 10 between the outer ring 3 and the outer cylinder 7 as a fulcrum, and the connecting piece 10 side of the outer ring 3 also rises.
Then, the outer cylinder 7 is deformed by pulling the lower end portion of the outer cylinder 7 through the connecting piece 10, the engagement between the outer cylinder 7 of the cap body A and the mouth cylinder portion of the container is released, and the hinge cap is attached to the container. Can be separated and discarded.

  The hinge cap of the present invention includes a ring-shaped cylinder suspended from the lower surface of the side peripheral wall of the upper lid when the lid is closed, and is inserted into the gap between the outer peripheral ring of the cap body and the outer cylinder. Widely used as a hinge cap for containers filled with various types of heated liquids, as it prevents deformation of the side wall of the top lid due to an increase in internal pressure in the cap due to heating of the liquid, etc. can do.

A Cap body B Upper lid C Hinge a Clearance 1 Attached cylinder part 2 Outlet cylinder part 3 Outer ring 4 Lid engaging cylinder part 5 Upper wall 6 Inner cylinder 7 Outer cylinder 8 Outward protrusion 9 Engaging protrusion 10 Connecting piece 11 Weakened piece 12 Pipe 13 Punch 14 Bulking groove 15 Remover 16 Pull ring 20 Top wall 21 Side peripheral wall 22 Inner cylindrical wall 23 Engagement step part 23a Top surface 23b Inner peripheral surface 24 Ring-shaped cylinder 25 Inward protrusion 26 Seal protrusion Article

Claims (2)

In a hinge cap composed of a cap body mounted on a mouth tube portion of a container and an upper lid connected to the cap body via a hinge,
The cap body has an upper wall with a lid engaging cylinder portion standing on the upper surface of the peripheral edge, an outer cylinder suspended from the outer peripheral edge of the upper wall and engaged with the outer periphery of the mouth tube portion of the container, and a gap between the outer periphery of the outer cylinder An outer peripheral ring that is continuously formed to form,
The upper lid includes a top wall and a side wall suspended from the outer edge of the top wall,
An engaging step portion that engages with the lid engaging cylinder portion of the cap body is recessed in the lower inner peripheral portion of the side peripheral wall, and the lower end surface of the side peripheral wall is provided between the outer ring and the outer cylinder of the cap main body . A hinge cap characterized in that a ring-shaped tube is inserted into the gap , the outer periphery abuts on the inner peripheral upper portion of the outer ring, and the inner peripheral lower end seals the outer peripheral upper portion of the outer tube.   2. A hinge cap according to claim 1, wherein a seal protrusion is provided on the lower end of the inner periphery of the ring-shaped tube so that the inner portion of the ring-shaped tube engages with the outer periphery of the outer tube.

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