JP5579421B2 - Hinge cap with tamper-evident mechanism - Google Patents

Description

  The present invention relates to a hinge cap including a cap base mounted on a container and an upper lid that can be opened and closed by a hinge, and in particular, has a gap on the outer peripheral side of a fitting cylinder part fitted to a mouth tube part of the container. The present invention relates to a hinge cap with a tamper-evident-preventing mechanism provided with a sealing tool that engages with an upper lid to prevent unauthorized tampering at an outer peripheral cylindrical portion that is continuously provided.

  In various containers with a hinge cap that can be freely opened and closed at the mouth of a container containing fluid contents such as liquid or powder, the contents may be illegally extracted or refilled. It is necessary to prevent unauthorized opening so that no harmful substances are mixed into the contents.

  In order to prevent unauthorized opening, a locking projection 5 is provided on the upper surface of the tip of the knob (pressing piece 4) of the upper lid (lid 2), and the locking projection 5 is provided on the cap base (cap body 1). 2. Description of the Related Art A hinge cap provided with a sealing tool having an engaging protrusion 8 to be locked has been conventionally known (see, for example, Patent Document 1).

Utility Model Registration No. 2538371

However, in the hinge cap described in the above-mentioned Patent Document 1, since the upper cover (cover body 2) and the cap base (cap body 1) other than the part covered with the hinge and the sealing tool are exposed, from that part. There was a possibility of being mischievous by inserting something or opening it.
In particular, when the hinge cap can be separated and discarded from the container, a fitting cylinder portion of the cap base that is fitted to the container and an outer peripheral cylinder portion that forms an outer peripheral wall of the cap base and is connected to the hinge are provided. However, there is a gap between the fitting cylinder part and the outer cylinder part, so there is a gap between the fitting cylinder part and the outer cylinder part. When the outer peripheral cylindrical portion is recessed, the lower end surface of the upper lid at the mating portion with the cap base is exposed, and it becomes easy to push up the upper lid and pry it open.

  An object of the present invention is to solve the above-described problem, so that the mating portion of the upper lid and the cap base is covered so that the mating portion other than the portion covered with the hinge or the sealing tool is not opened. An object of the present invention is to provide a hinge cap with an unauthorized opening prevention mechanism.

In order to solve the above problems, the present invention provides a hinge cap including a cap base mounted on a container and an upper lid connected to the cap base and a hinge so as to be opened and closed as a hinge cap with an unauthorized opening prevention mechanism. In the base, an outer peripheral cylindrical portion connected to the hinge is continuously provided with a gap on the outer peripheral side of the fitting cylindrical portion fitted into the container, and the outer peripheral surface of the outer peripheral cylindrical portion is opposite to the hinge. a seal member provided integrally and detachably to the side, and erected the rising wall so as to cover the mating portion across the hinge between the cap body and the upper lid of the non covered portions in sealing member is provided, the A cover part that protrudes outward is provided at the end of the rising wall on the side of the sealing tool so as to reduce the gap with the sealing tool, and an engaging part that can be engaged with the sealing tool is provided on the upper lid. A structure characterized by The adopted.

As an embodiment of the hinge cap of the present invention, the engaging portion provided on the upper lid is a knob that doubles as a finger hook portion that protrudes outwardly from the lower end of the side peripheral wall of the upper lid opposite to the hinge, and is a sealing tool. Adopts a structure characterized in that it comprises a locking plate that is formed integrally with the outer peripheral cylindrical part of the cap base via a separable connecting part and engages with a knob piece fitted on the inner peripheral side. To do.
As another embodiment of the hinge cap of the present invention, the engaging portion provided on the upper lid is a locking convex portion that protrudes outward near the lower end of the finger hanging concave portion formed on the side peripheral wall of the upper lid opposite to the hinge. The sealing tool is formed integrally with the outer peripheral cylindrical part of the cap base via a separable connecting part, and has a notch part that engages with the locking convex part of the upper lid. Adopt the configuration.

As another embodiment of the hinge cap of the present invention, the rising wall is connected to the outer peripheral cylindrical portion of the cap base through the weakened portion and is formed integrally with the cap base, and can be removed when opened. In addition, the upper lid is provided with an arc-shaped wall on the lower surface of the side wall on the opposite side of the hinge, and an arcuate wall that is inserted into the gap between the fitting tube portion and the outer tube portion of the cap base. The configuration is adopted.

In the hinge cap of the present invention, the rising wall is provided on the outer peripheral surface of the cap base so as to cover the mating portion of the cap base and the upper cover other than the portion covered with the hinge and the sealing tool. Covering the mating part, the mating part other than the part covered with the hinge or sealing tool is not exposed and cannot be opened.
Further, in the embodiment in which the rising wall can be removed at the time of opening, when the contents are poured out after opening, the rising wall is not obstructed and does not become dirty.

  In an embodiment in which an arc-shaped wall suspended from the upper lid is inserted into the gap between the fitting tube portion and the outer tube portion of the cap base, the outer tube portion is prevented from swinging and being damaged by the arc-shaped wall filling the gap. Strength can be increased.

It is the front view which made some longitudinal cross-sectional views at the time of lid closing of the hinge cap which is 1st Example of this invention. BRIEF DESCRIPTION OF THE DRAWINGS (a) is a side view at the time of closing of the hinge cap which is 1st Example of this invention, (b) is a longitudinal cross-sectional side view. BRIEF DESCRIPTION OF THE DRAWINGS (a) is a top view at the time of opening the hinge cap which is 1st Example of this invention, (b) is a side view. (A) is AA sectional drawing in figure (a) of FIG. 3, (b) is BB sectional drawing similarly. When the hinge cap according to the second embodiment of the present invention is closed, (a) is a longitudinal sectional side view, (b) is an enlarged view of a main part of FIG. (A), and (c) is a longitudinal sectional view of a part. FIG.

  Next, the hinge cap with an unauthorized opening prevention mechanism of the present invention will be described with reference to the drawings showing examples.

  1-3, A is a container, B is a cap base, C is a hinge, D is an upper lid connected to the cap base B via the hinge C, and E is a sealing tool.

A fitting protrusion 2 is provided on the outer peripheral surface of the mouth tube portion 1 of the container A, the fitting tube portion 3 of the cap base B is fitted, and the cap base B is attached to the container A.
The cap base B includes a fitting cylinder part 3 and a dispensing cylinder 4, and the fitting cylinder part 3 is formed from an annular upper wall 6 provided with an engagement convex part 5 on the periphery, and an inner periphery of the upper wall 6. It consists of a suspended inner cylinder 7 and an outer cylinder 8 suspended from the outer peripheral edge of the upper wall 6.
An engagement protrusion 9 that engages with the fitting protrusion 2 of the container A is provided at the lower end portion of the inner peripheral surface of the outer cylinder 8, and the outer periphery of the outer cylinder 8 is opposite to the hinge C side. A connecting piece 10 is provided at the lower end and a plurality of weakened connecting pieces 11 are provided at the lower end on the hinge C side, and an outer peripheral cylindrical portion 12 that forms the outer peripheral wall of the cap base B is formed continuously with a gap 13. ing.

The lower end of the inner cylinder 7 is connected to the pouring cylinder 4 via an annular bottom wall 14, and a partition wall 15 is provided at a predetermined position on the inner periphery of the pouring cylinder 4, and the outlet is formed by the weakening groove 16. A removing portion 17 to be formed is disposed.
A pull ring 18 is connected to the removal unit 17 via a support column.

A sealing tool E that is engaged with the upper lid D and maintains the closed state until opening is continuously provided on the upper end portion of the outer peripheral cylindrical portion 12 opposite to the hinge C.
A rising wall 19 is erected in the vicinity of the upper end portion of the outer peripheral cylinder portion 12 so as to cover a joint portion between the cap base B and the upper lid D that is not covered by the hinge C and the sealing device E, and from the lower end portion of the upper lid D. Extends to a predetermined height.
The rising wall 19 is formed integrally with the cap base B, and constitutes a tampering prevention mechanism for the hinge cap of the present invention together with the sealing tool E and a locking projection 26 of the upper lid D described later.
In the present embodiment shown in FIGS. 1 to 3, the rising wall 19 and the hinge C, and the rising wall 19 and the sealing tool E have a minute gap due to molding problems, etc. As long as the above means cannot be inserted, there is no problem even if there is a minute gap.

A cover portion 29 that protrudes outward is provided at the end of the rising wall 19 on the sealing device E side so as to reduce the gap with the sealing device E.
In this embodiment, the cover portion 29 is provided on the sealing tool E side, but may be provided on the hinge side in the same manner.
Further, in this embodiment, the rising wall 19 is arranged so as to expand from the outer peripheral surface of the outer peripheral cylindrical portion 12 and touch a side peripheral wall 21 of the upper lid D described later or have a slight gap. A concave portion for accommodating the rising wall 19 may be provided in the side peripheral wall 21 having a predetermined height from the lower end of D so that the rising wall 19 does not protrude from the outer peripheral surface of the outer peripheral cylindrical portion 12 and the side peripheral wall 21.

The upper lid D is attached to a predetermined position upper end of the outer peripheral cylindrical portion 12 of the cap base body B by a hinge C, and includes a top wall 20 and a side peripheral wall 21.
On the lower surface of the top wall 20, a sealing ring 22 that engages with the upper end portion of the dispensing cylinder 4 is suspended, and the inner periphery of the lower end portion of the side peripheral wall 21 is engaged with the engagement convex portion 5 of the cap base B. An engaging concave portion 23 is formed, and an annular convex portion 24 is provided below the engaging concave portion 23.

On the outer periphery of the lower end portion of the side peripheral wall 21, a knob 25 is disposed as a finger-hanging portion that opens and closes the upper lid D and extends outwardly to a certain range on the opposite side of the hinge C.
The knob 25 also serves as an engaging part that engages with the sealing part E. On the upper surface of the peripheral part of the knob 25, an arc-shaped locking projection 26 is provided upright.
On the lower end surface of the side peripheral wall 21, an arcuate wall 27 that is fitted into the gap 13 between the outer cylinder 8 and the outer peripheral cylinder portion 12 of the cap base B is vertically provided over a predetermined range opposite to the hinge C. .
The arc range in which the arc-shaped wall 27 is vertically suspended is preferably about 100 degrees as in the present embodiment, but is sufficient to reinforce the outer peripheral cylindrical portion 12 to which the sealing device E is connected. If it is within a range, it can be determined as appropriate.

As shown in FIGS. 3 and 4, the sealing device E includes a sealing plate 30, a locking plate 31 disposed at the upper end of the central portion of the sealing plate 30, and a portion excluding the locking plate 31 in plan view. The bottom plate 32 is disposed, and the connecting portion 33 is connected to the cap base B so as to be integrated and separable.
The inner peripheral edge of the sealing plate 30 is formed along the outer peripheral edge of the knob 25, and the thickness is reduced upward.

The locking plate 31 protrudes to the inner peripheral side of the sealing plate 30 and projects above the knob 25 so as to engage with the knob 25 at the time of sealing.
A hook piece 35 that engages with the locking projection 26 of the knob 25 is suspended from the inner peripheral side end of the locking plate 31.
The bottom plate 32 is disposed on both sides of the locking plate 31 in a plan view so as to be located on the lower surface of the knob 25 and is continuously provided from the lower end of the sealing plate 30.

  A plurality of connecting portions 33 are disposed between the bottom plate 32 and the outer cylindrical portion 12, and the lower portion thereof is inclined from the bottom plate 32 side and gradually becomes thinner toward the thin portion 36 at the connection portion with the outer peripheral cylindrical portion 12. Thus, the gap with the surface of the outer peripheral cylindrical portion 12 is formed so as to widen downward.

Next, usage modes and operational effects of this embodiment will be described.
After the container A is filled with the contents, the upper lid D is closed, the cap base B and the upper lid D are engaged and sealed by the sealing tool E, and the hinge cap of the present embodiment is plugged, and the container mouth tube portion Attach to 1.

When the upper lid D is closed and sealed, the locking plate 31 is moved outward by the tab 25 of the upper lid D, and the sealing plate 30 and the locking plate 31 rotate around the thin portion 36 of the connecting portion 33. Be made.
When the upper lid D is completely closed, when the locking plate 31 gets over the knob 25, the sealing plate 30 is restored, the locking plate 31 is projected so as to cover the upper side of the knob 25, and the knob 25 is sealed. It is housed in a space formed by the plate 30, the locking plate 31 and the bottom plate 32, and the locking plate 31 is engaged with the knob 25 even if the upper lid is to be opened, and the upper lid D and the cap base B are sealed. It becomes.
At this time, even if the upper lid D and the cap base B are slightly opened, the mating portion of the upper lid D and the cap base B is covered with the sealing portion E, the rising wall 19 and the hinge C, so There is nothing that can be done.
Since the hook piece 35 is provided at the inner peripheral end of the locking plate 31, the hook piece 35 is engaged with the inside of the locking protrusion 26 of the knob 25 at the time of sealing, so that the sealing state is more reliably achieved. Can be maintained.

In the state where the hinge cap of the present embodiment is sealed, the rising wall 19 provided near the upper end of the outer peripheral cylindrical portion 12 of the cap base B extends from the lower end of the upper lid D to a predetermined height, and the cap base B and the upper lid Covers the mating part with D.
Further, the cover 29 that protrudes outward at the end of the rising wall 19 on the side of the sealing tool E cannot insert a means for prying into a slight gap between the sealing tool and the rising wall 19. .
Therefore, the mating portion between the cap base B and the upper lid D is entirely covered by the sealing plate 30 and the hinge C of the sealing tool E and the rising wall 19 so that the mating portion is not opened.
Further, the rising wall 19 is formed integrally with the cap base B. However, if the weakened portion is provided at the connecting portion with the cap base B and separated and removed at the time of opening, the contents are poured out after opening. The rising wall 19 will not get in the way or get dirty

At the time of sealing, the arc-shaped wall 27 at the lower end of the side peripheral wall 21 of the upper lid D is fitted into the gap 13 between the outer cylinder 8 and the outer peripheral cylinder portion 12 of the cap base B.
By inserting the arc-shaped wall 27 into the gap 13, it is possible to prevent the outer peripheral cylindrical portion 12 from moving away and to prevent the thin portion 36 from being damaged even when the sealing plate 30 is pressed from the outside. it can.

In opening, when the locking plate 31 is rotated, the hook piece 35 gets over the locking projection 26 of the knob 25 and opens, and the thin portion 36 of the connecting portion 33 is cut to separate the sealing device E. To do.
Therefore, it can be visually recognized from the outside when the tampering is performed intentionally or accidentally.
In this embodiment, the hook plate 35 is provided on the locking plate 31 to be engaged with the locking protrusion 26 provided on the peripheral edge of the knob 25. However, the locking protrusion 26 and the hook piece 35 are not necessarily required. Instead, if the locking plate projects above the knob 25 and the knob 25 is accommodated in the space formed by the sealing plate 30, the locking plate 31, and the bottom plate 32, the sealed state is maintained.

The hinge cap according to the present embodiment can be separated from the container and discarded after the entire contents in the container are used.
When the hinge cap is opened and the upper lid D is pulled upward, the outer peripheral cylindrical portion 12 of the cap base B is pulled via the hinge C to cut the weakened connecting piece 11, and further when the upper lid D is pulled upward, the connection is established. The fitting cylinder portion 3 is pulled through the piece 10 to be deformed, the fitting with the mouth tube portion 1 of the container A is released, and the hinge cap can be separated from the container A.

Next, a description will be given of a second embodiment in which the structure of the unauthorized opening prevention mechanism is changed in accordance with the change in the structure of the upper lid.
In the following, the same components as those in the first embodiment will be denoted by the suffix “a” and the differences will be mainly described.

In FIG. 5, Aa is a container, Ba is a cap base, Ca is a hinge, Da is an upper lid, and Ea is a sealing tool.
As in the first embodiment, the configuration of the cap base Ba includes a fitting tube portion 3a and a dispensing tube 4a. The fitting tube portion 3a includes an inner tube 7a and an outer tube 8a, and the outer tube 8a. The outer peripheral cylinder portion 12a is continuously connected to the outer periphery of the outer peripheral portion via a connecting piece 10a at the lower end portion opposite to the hinge Ca side and a plurality of weakened connecting pieces 11a at the lower end portion on the hinge Ca side.
Similarly, the rising wall 19a is provided in the vicinity of the upper end portion of the outer peripheral cylindrical portion 12a, and the upper lid Da is covered so as to cover the joint portion between the cap base Ba and the upper lid Da that is not covered with the hinge Ca and the sealing device Ea. It extends from the lower end to a predetermined height.
A cover portion 29a that protrudes outward is provided at the end of the rising wall 19a on the sealing device Ea side so as to reduce the gap with the sealing device Ea.

The upper lid Da is provided with a finger hanging recess 40 in the side peripheral wall 21a opposite to the hinge Ca as a finger hanging portion for opening the lid.
At the lower end of the upper lid Da below the finger-hanging recess 40, a locking projection 41 that engages with a notch 43 of a sealing device Ea described later is formed.

  The sealing device Ea includes a sealing plate 42 provided with a notch 43 that engages with the locking projection 41 of the upper lid Da, and the sealing plate 42 in the vicinity of the upper end of the outer peripheral surface of the outer peripheral cylindrical portion 12a of the cap base Ba In addition, the connecting portion 44 is provided so as to be separable.

Also in this embodiment, after the container Aa is filled with the contents, the upper lid Da is closed, the cap base Ba and the upper lid Da are engaged by the sealing tool Ea, and the sealed hinge cap is plugged. It is attached to the cylinder part 1a.
When the upper lid Da is closed and sealed, the sealing plate 42 is bent outward by the locking convex portion 41 of the upper lid Da, and when the upper lid Da is completely closed, the locking convex portion 41 becomes the notch 43. By inserting and restoring the sealing plate 42, the locking projection 41 and the notch 43 are engaged and sealed.
At the time of opening, the sealing tool Ea pulls the sealing plate 42 forward to bring down the cutout portion 43 from the engagement with the locking convex portion 41 of the upper lid Da, and the connecting portion 44 is broken. Separated and removed from the cap substrate Ba.

  Also in the hinge cap of the present embodiment, the rising wall 19a provided in the vicinity of the upper end portion of the outer peripheral cylindrical portion 12a of the cap base body Ba extends from the lower end portion of the upper lid Da to a predetermined height, includes a cover portion 29a, and includes the cap base body Ba. And the upper lid Da are covered with the sealing plate 42, the hinge Ca, and the rising wall 19a, and the mating portion may be pry open or tampered with. Absent.

  Further, an arcuate wall 27a is provided at the lower end of the side peripheral wall 21a of the upper lid Da, and is fitted into the gap 13a between the outer cylinder 8a and the outer cylinder part 12a of the fitting cylinder part 3a of the cap base Ba, whereby a sealing plate Even if 42 is pressed from the outside, damage to the connecting portion 44 can be prevented.

  The hinge cap with a tamper-evident prevention mechanism according to the present invention can be widely used as a normal hinge cap that can repeatedly open and close the upper lid and pour out the contents even after opening. Suitable for hinge caps of containers for beverages and foods that are required.

A, Aa Container B, Ba Cap base C, Ca Hinge D, Da Upper lid E, Ea Sealing tool 1, 1a Mouth tube part 2 Fitting protrusion 3, 3a Fitting cylinder part 4, 4a Extraction cylinder 5 Engaging convexity Part 6 Upper wall 7, 7a Inner cylinder 8, 8a Outer cylinder 9 Engaging ridge 10, 10a Connection piece 11, 11a Weakening connection piece 12, 12a Outer cylinder part 13, 13a Gap 14 Annular bottom wall 15 Partition 16 Weaking groove 17 Removal portion 18 Pull ring 19, 19a Standing wall 20 Top wall 21, 21a Side peripheral wall 22 Sealing ring 23 Engaging recess 24 Annular projection 25 Picking piece 26 Locking projection (engaging portion)
27, 27a Arc-shaped walls 29, 29a Cover portion 30, 42 Sealing plate 31 Locking plate 32 Bottom plate 33, 44 Connecting portion 35 Hook piece 36 Thin portion 40 Finger hanging concave portion 41 Locking convex portion (engaging portion)
43 Notch

Claims (5)

In a hinge cap comprising a cap base mounted on a container, and an upper lid connected to the cap base so as to be opened and closed by a hinge,
In the cap base, the outer peripheral cylindrical portion connected to the hinge is continuously provided with a gap on the outer peripheral side of the fitting cylindrical portion fitted into the container,
The outer peripheral surface of the outer peripheral cylinder part covers the entire joint part of the cap base and the upper lid other than the sealing part provided integrally and separably on the opposite side of the hinge and the part covered with the hinge and the sealing part. And a rising wall standing upright,
At the end of the rising wall on the side of the sealing tool, a cover part is provided that protrudes outward so as to reduce the gap with the sealing tool.
A hinge cap with a tamper-evident prevention mechanism, wherein the upper lid is provided with an engaging portion engageable with a sealing tool. The engaging portion provided on the upper lid is a knob that also serves as a finger-hanging portion that protrudes outward from the lower end of the side peripheral wall of the upper lid opposite to the hinge.
The sealing device includes a locking plate that is integrally formed with a coupling portion separable from the outer peripheral cylindrical portion of the cap base, and that engages with a knob piece fitted on the inner peripheral side. Item 1. A hinge cap with an unauthorized opening prevention mechanism according to item 1. The engaging portion provided on the upper lid is a locking convex portion that protrudes outward near the lower end of the finger hanging concave portion formed on the side peripheral wall of the upper lid opposite to the hinge,
The sealing device is formed integrally with a peripheral cylindrical portion of the cap base via a separable connecting portion, and has a notch portion with which the locking convex portion of the upper lid engages. The hinge cap with the tamper-evident prevention mechanism described.   The rising wall is connected to the outer peripheral cylindrical portion of the cap base through a weakened portion, is formed integrally with the cap base, and can be removed at the time of opening. The hinge cap with the tamper-evident prevention mechanism described. 5. The arc-shaped wall that is inserted into the gap between the fitting cylinder part and the outer cylinder part of the cap base body is provided vertically on the lower surface of the side peripheral wall opposite to the hinge on the upper lid. A hinge cap with a tamper-evident prevention mechanism according to crab.

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