JP5943545B2 - Hinge cap - Google Patents

Description

  The present invention has an outer peripheral cylindrical portion continuously provided with a gap on the outer peripheral side of a fitting cylindrical portion fitted to a mouth portion of a container, and the outer peripheral cylindrical portion forms an outer peripheral surface of a cap. The present invention relates to a cylinder type hinge cap.

  In order to facilitate separation and collection of the hinge cap, the outer peripheral wall of the cap body (1) is continuously provided on the outer side of the outer cylinder (5) and the outer cylinder (5) fitted to the container mouth part (31), A hinge cap comprising a ring body (3) coupled to a lid body (2) via a hinge (4), wherein the two are connected by a coupling piece (7) and a weakened portion (8) with a gap therebetween Is conventionally known (see, for example, Patent Document 1).

  Further, in a hinge cap composed of a cap body 1 and a lid body 2 connected to the cap body 1 by a hinge 3 and provided with a pressing piece 4 on the opposite side of the hinge 3, the upper end of the pressing piece 4 is locked to the upper surface. Unauthorized opening provided with the engagement piece 7 provided with the protrusion 5 which is provided with the protrusion 5 and is provided on the cap body at the position facing the pressing piece 4 and over the engagement protrusion 5 from the outside to be locked inside. Providing a prevention mechanism is conventionally known (see, for example, Patent Document 2).

JP 2003-246338 A Utility Model Registration No. 2538371

However, in the hinge cap described in Patent Document 1, there is a gap between the ring body (3) and the outer cylinder (5) when an external force is applied to the ring body (3). The product may be distorted or deformed, resulting in a poor appearance as a product.
Further, when the tamper-evident prevention mechanism described in Patent Document 2 is provided in a double cylinder type hinge cap as described in Patent Document 1, the engagement piece 7 is provided in the ring body (3). Since the ring body (3) is deformed by an external force, it is easy to insert a finger or a jig, and there is a problem that the tampering prevention mechanism is released and the tampering is opened.

  An object of the present invention is to solve the above-described problem, and a double cylinder type hinge cap having an outer peripheral cylindrical portion continuously provided with a gap around an outer periphery of a fitting cylindrical portion fitted to a mouth portion of a container. In the present invention, the outer peripheral cylindrical portion is not distorted or deformed by an external force, the appearance as a product is good, and the hinge cap that prevents the unauthorized opening prevention mechanism from being released is provided. .

In order to solve the above-described problems, the present invention provides a hinge cap including a cap base attached to a container body and an upper lid connected to the cap base via a hinge so as to be openable and closable as a hinge cap. A fitting tube portion that fits into the mouth portion of the container main body, and an outer periphery tube portion is connected to the outer periphery of the fitting tube portion via a gap, and a lower end portion of the upper lid is connected to the gap. A configuration is adopted in which the protruding ridges to be inserted are formed on the entire circumference and slits are formed in the vertical direction over a predetermined range on the hinge side.

As another embodiment of the hinge cap of the present invention, the gap between the outer cylinder part and the fitting cylinder part is an annular gap over the entire circumference, and the outer cylinder part is a top cover by a hinge. Are connected to the fitting tube portion by a connecting piece on the side opposite to the hinge, and connected to the fitting tube portion by a weakened connecting piece that can be separated at a plurality of locations other than the portion provided by the connecting piece. The structure characterized by being provided is adopted.
As yet another embodiment, the outer peripheral surface of the outer peripheral cylindrical portion opposite to the hinge is provided with a sealing tool integrally formed via a detachable connecting portion, and the upper lid is engageable with the sealing tool. configuration wherein the engaging portion is provided, also, the height of the convex portion of the arcuate range in which slits are formed, a lower than the height of the convex portion of the arcuate range slits are not formed Adopt a featured configuration.

The hinge cap of the present invention is distorted or deformed even if an external force is applied to the outer peripheral cylindrical portion because the convex portion provided at the lower end portion of the upper lid is inserted into the gap between the fitting cylindrical portion and the outer peripheral cylindrical portion. Without losing the appearance of the product.
In addition, as a tamper-evident prevention mechanism, when a sealing tool that engages with the upper lid is provided on the outer peripheral cylinder portion, it does not deform even when an external force is applied to the outer peripheral cylinder portion. The mechanism is released and it will not be opened illegally.

It is a section front view in the state where the hinge cap which is the 1st example of the present invention was closed. It is a section side view in the state where the hinge cap which is the 1st example of the present invention was closed. It is a figure which shows the state which opened the hinge cap which is 1st Example of this invention, (a) is a top view, (b) is XX sectional drawing of figure (a), (c) is a figure ( It is an enlarged view of the principal part (b) in a). It is a figure which expands and shows the principal part (A) in FIG. It is a figure which shows the state which opened the hinge cap which is 2nd Example of this invention, (a) is a top view, (b) is YY sectional drawing of Fig. (A).

  Next, the hinge cap 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.

As shown in FIGS. 1-3, the fitting protrusion 2 is provided in the outer peripheral surface of the opening part 1 of the container A, the fitting cylinder part 3 of the cap base B is fitted, and the cap base B is attached to the container A. Is installed.
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 engaging ridge 9 that engages with the fitting ridge 2 of the container A is provided at the lower end of the inner peripheral surface of the outer cylinder 8, and the outer periphery of the outer cylinder 8 is on the side opposite to the hinge C side. A connecting piece 10 is provided at a lower end on the front side, and a plurality of weakened connecting pieces 11 are provided at a lower end on the hinge C side from the connecting piece 10, and the outer peripheral cylindrical portion 12 that forms the outer peripheral wall of the cap base B is a gap. 13 are formed continuously.
A sealing tool E that is engaged with the upper lid D and maintains the closed state until opening is continuously provided at the upper end on the front side of the outer peripheral cylindrical portion 12.

The upper end of the inner cylinder 7 is connected to the pouring cylinder 4, and a partition wall 15 is provided at a predetermined position on the inner periphery of the pouring cylinder 4, and a removal portion 17 that forms a spout by the weakening groove 16 is arranged. It is installed.
A pull ring 18 is connected to the removal unit 17 via a support column.

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 that protrudes outwardly and extends in a certain range on the front side is disposed as a finger-hanging portion that opens and closes the upper lid D.
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 of the upper lid B, a projecting ridge portion 27 that is inserted into the gap 13 between the outer cylinder 8 and the outer peripheral cylinder portion 12 of the cap base B is suspended.
The protrusions 27 need not be visible from the outside when the lid is closed, and may be provided on the inner peripheral side of the lower end surface of the side peripheral wall 21 as shown in FIG. 4 (a), or as shown in FIG. You may provide from the center of the lower end surface of the side surrounding wall 21. FIG.
Further, in order to prevent deformation of the outer peripheral cylindrical portion 12, it is preferable that the protruding strip portion 27 is in a state of being fitted to the full width of the gap 13 and in contact with the fitting cylindrical portion 3 and the outer peripheral cylindrical portion 12. In order to reduce the resistance at the time of closing the lid and absorb the manufacturing error, as shown by an imaginary line (a two-dot chain line) in FIG. , It may be in contact with either one.

In order to prevent deformation of the outer cylindrical portion 12, it is preferable that the range of the circular arc in which the protruding portion 27 is suspended is as long as possible around the entire circumference, but it is difficult to fit the protruding portion 27 near the hinge C. In the embodiment, the arc range of the ridge portion 27 has a circumferential angle α of about 300 ° with the front side as the center.
The circumferential angle α of the ridge 27 is preferably about 240 ° or more. In particular, not only the front side provided with the sealing device E but also the front side provided with the sealing device E is induced. In order to prevent the deformation on the side surface side (around 180 ° of the circumferential angle centered on the front surface), it is preferable that the ridges 27 are provided over both side surfaces.
The ridges 27 do not necessarily have to be continuous over the arc range, and may be provided at intervals.
Further, as shown in FIG. 3B, tapered portions 28 are provided at both ends of the ridge portion 27 in order to facilitate insertion into the gap 13.
As a device for facilitating the insertion into the gap 13, as shown by imaginary lines (two-dot chain lines) in FIGS. 3B and 3C, both ends of the ridge 27 are tapered 28. Instead of this, R may be provided or the wall thickness may be reduced.

As shown in FIGS. 2 and 3, the sealing device E includes a sealing plate 30, a locking plate 31 disposed at the upper end of the center of the sealing plate 30, and a portion excluding the locking plate 31 in plan view. And a connecting portion 33 that is integrally and separably connected to the cap base B.
The inner peripheral edge of the sealing plate 30 is formed along the outer peripheral edge of the knob 25.

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.

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 are rotated about the connecting portion 33.
When the upper lid D is completely closed, the locking plate 31 gets over the knob 25 and the sealing plate 30 is restored. The locking plate 31 projects 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.

In this embodiment, since the hook piece 35 is provided at the inner peripheral side 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. However, the hook pieces 35 and the locking projections 26 are not necessarily provided.
In addition, the hinge cap of the present embodiment includes an unauthorized opening prevention mechanism E in which the locking plate 31 protruding to the inner peripheral side of the sealing plate 30 and the knob 25 of the upper lid D are engaged. It is not limited to such an unauthorized opening prevention mechanism, and it is not always necessary to provide an unauthorized opening prevention mechanism.

By closing the upper lid D, the protruding strip portion 27 at the lower end of the side peripheral wall 21 is fitted into the gap 13 between the outer tube 8 and the outer tube portion 12 of the cap base B.
At that time, the ridge 27 is a circular arc range in which the circumferential angle α around the front side is about 300 °, and is not provided in the vicinity of the hinge C where it is difficult to fit into the gap 13. There is little resistance when closing the top lid D.
Moreover, since the taper part is provided in the both ends of the protruding item | line part 27, the impact when the protruding item | line part 27 fits in the clearance gap 13 can be decreased, and the upper cover D can be closed smoothly.

By inserting the protruding portion 27 into the gap 13, it is possible to prevent the outer peripheral cylindrical portion 12 from being distorted or deformed by an external force and maintain an aesthetic appearance.
Further, when the sealing member E that engages with the upper lid D is provided on the outer peripheral cylindrical portion 12, even if an external force is applied to the outer peripheral cylindrical portion 12, the outer peripheral cylindrical portion 12 is formed by the protruding strip portion 27 fitted in the gap 13. Since it is not deformed, the finger or jig is inserted and the unauthorized opening prevention mechanism is released, so that it is not opened illegally.

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 connecting portion 33 is cut to separate the sealing device E, and the container is removed. Can be opened.
The hinge cap of the present embodiment can be separated from the container and discarded after the 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 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 configuration of the ridges provided at the lower end of the upper lid is changed.
Since the present embodiment is the same as the first embodiment except for the configuration of the ridges, the same components as those in the first embodiment other than the ridges will be denoted by the same reference numerals and the differences will be mainly described. explain.

As shown in FIG. 5, the protrusion 27a of the present embodiment is provided over the entire periphery of the lower end of the side peripheral wall 21 of the upper lid D, and the protrusion 27a extends vertically over a predetermined range on the hinge C side. A slit 29 is formed.
Since the protrusion 27a is provided with a slit 29 in the vicinity of the hinge C that is difficult to fit into the gap 13, it becomes easy to bend when fitted into the gap 13, so that the resistance at the time of closing is reduced and the gap 13 By inserting the protruding strip portion 27a over the entire circumference, the outer peripheral cylindrical portion 12 can be further prevented from being distorted or deformed.

In this embodiment, the range in which the slit 29 is formed in the ridge portion 27a is set to an arc range in which the circumferential angle β around the hinge C is about 150 °, but this range is the height of the ridge portion 27a. Depending on the thickness of the material of the hinge cap and the like, it may be determined in an appropriate range on the hinge C side.
Similarly, the number of slits may be determined as appropriate.
Further, as shown by an imaginary line (two-dot chain line) in FIG. 5B, if the height of the protruding portion 27a in the range where the slit 29 is formed is made lower than other portions, the resistance when closing the lid is further increased. Can be reduced.

According to the present invention, a protrusion provided on the lower end portion of the upper lid is inserted into the gap between the fitting tube portion and the outer tube portion of the cap base of the hinge cap, thereby preventing the outer tube portion from being distorted or deformed. Therefore, such a double cylinder type hinge cap can be widely used.
In particular, when a tamper-evident preventive tool is provided in the outer peripheral cylindrical portion, the outer peripheral cylindrical portion is not deformed, so that the tamper-evident prevention function can be more reliably exhibited, and a double cylinder type hinge having a tamper-evident prevention mechanism. It is suitable for application to a cap.

A Container B Cap base C Hinge D Upper lid E Sealing tool 1 Mouth part 2 Mating ridge 3 Mating cylinder 4 Extracting cylinder 5 Engaging convex part 6 Upper wall 7 Inner cylinder 8 Outer cylinder 9 Engaging ridge 10 Connection Piece 11 Weakened connecting piece 12 Peripheral tube portion 13 Gap 15 Partition 16 Weakened groove 17 Removed portion 18 Pull ring 20 Top wall 21 Side circumferential wall 22 Sealing ring 23 Engagement recess 24 Annular projection 25 Picking piece 26 Locking projection 27, 27a Projection Part 28 taper part 29 slit 30 sealing plate 31 locking plate 32 bottom plate 33 connecting part 35 hook piece

Claims (5)

In a hinge cap comprising a cap base mounted on a container body, and an upper lid connected to the cap base via a hinge so as to be opened and closed,
The cap base has a fitting tube portion that fits into the mouth of the container body,
On the outer periphery of the fitting tube portion, the outer tube portion is connected via a gap,
A hinge cap characterized in that, at the lower end portion of the upper lid, a ridge that fits into the gap is formed on the entire circumference , and a slit is formed in the vertical direction over a predetermined range on the hinge side.   The hinge cap according to claim 1, wherein the gap between the outer peripheral cylinder part and the fitting cylinder part is an annular gap over the entire circumference.   The outer peripheral cylinder part is connected to the upper lid by a hinge, and is connected to the fitting cylinder part by a connecting piece on the side opposite to the hinge, and is weakly connected that can be separated at a plurality of locations other than the part connected by the connecting piece. The hinge cap according to claim 2, wherein the hinge cap is connected to the fitting cylinder portion by a piece. On the outer peripheral surface opposite to the hinge of the outer peripheral cylindrical portion, a sealing tool formed integrally with a separable connecting portion is provided,
The hinge cap according to any one of claims 1 to 3, wherein the upper lid is provided with an engaging portion that can be engaged with the sealing tool.   5. The hinge cap according to claim 1, wherein the height of the ridge portion in the arc range in which the slit is formed is lower than the height of the ridge portion in the arc range in which the slit is not formed. .

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