JP4641833B2 - Hinge cap with small lid that can be opened and closed - Google Patents

Description

The present invention relates to a hinge cap that is attached to a container that contains edible oil, liquid or semi-liquid beverages, seasonings, and the like. More specifically, the cap body and the cap body can be freely opened and closed via a hinge. A hinge cap having a connected upper lid, and having a small lid attached to and detached from the cylindrical spout via a hinge in the upper lid, and opening and closing of the small lid attached to and detached from the cylindrical spout The present invention relates to a hinge cap having a small lid that can be freely opened and closed in conjunction with the opening and closing operation of.

A hinge cap that has an upper lid that is attached to the mouth of the container and is connected to the cap body via a hinge, because the upper lid can be opened and closed with one touch, and there is no risk of the upper lid dropping and losing. It is preferably used as a container for housing containers that frequently use container contents such as edible oil and seasonings.
The following are known as general shapes of the hinge cap.

Japanese Patent Publication No. 3-53182 Japanese Patent Publication No. 7-59428 Design Registration No. 724522 Japanese Patent Application No. 2003-86761

As shown in FIG. 9, the hinge cap shown in Patent Document 1 is connected to a cap body d attached to a mouth c of a container b with an upper lid e that opens and closes the cap body d by a hinge f. The top plate is provided with a spout g and a ring wall h for opening and closing the spout g is provided on the top plate of the upper lid e.

What is disclosed in Patent Document 2 is an example of a hinge cap according to the applicant's application, and this hinge cap a1 has a note that extends laterally to the top plate portion of the cap body d as shown in FIG. Since the outlet i is provided, when the container b is pressed after the container b is pressed to push the contents out of the cylindrical outlet i, the contents in the cylindrical outlet i are restored by the restoring force of the container b. Things are containers b
The protrusion j that closes the cylindrical spout i is provided on the upper lid e so that it does not hang around the cylindrical spout i. The protrusion j is in contact with the shaped outlet i so that it can be closed.

Patent Document 3 relates to the design registration of the present applicant. As shown in FIG. 11, this hinge cap a2 is provided with a small lid of a separate piece on the cylindrical spout i described in Patent Document 2. k can be fitted.

Further, Patent Document 4 is a hinge cap a3 according to the applicant's application, and as shown in FIG. 12, the small lid k attached to the cylindrical spout i is opened and closed with the hinge as a fulcrum. Furthermore, since the small lid is closed in conjunction with the closing operation of the upper lid e, the small lid k
The plug is closed with the operation of closing the upper lid without using fingers.

However, the hinge cap a described in Patent Document 1 is suitable for the case where the content in the container b is relatively low in viscosity, but the viscosity is high and the container b is pressed to eject the content from the spout g. In such a case, the liquid in the container b is poorly drained after being pushed out from the spout g, and it may sag around the spout g to contaminate the periphery of the spout g. Even if the top lid e is put on d, the contents are interposed between the spout g and the ring wall h, so that the plug cannot be completely closed, or the spout g and the ring wall h adhere to each other. There is a difficulty in preventing smooth opening.

Moreover, since the hinge cap a1 described in Patent Document 2 only closes the opening by abutting the projection j on the cylindrical spout i, there is a risk that the clogging of the cylindrical spout i gradually becomes insufficient. Patent Document 3
The described hinge cap has a small lid k fitted into the cylindrical spout i, so that there is a risk that the small lid may be dropped or lost during use, which is inconvenient in handling.

Furthermore, although the hinge cap of Patent Document 4 according to the prior invention of the present applicant has the convenience of closing the cylindrical spout in conjunction with the operation of the upper lid, it uses fingers to open the small lid. Need to be done.

Therefore, an object of the present invention is to link all the opening / closing operations of the small lid in the above-mentioned prior invention to the opening / closing operation of the upper lid, so that the small lid of the cylindrical spout is not touched at all with fingers. An object of the present invention is to provide a hinge cap that can be opened and closed.

The present invention has been proposed in order to achieve the above object, and is characterized by having the following configuration.
That is, according to the present invention, a cap body having an upper wall and a side wall to be attached to the mouth of the container, a top wall and a skirt wall, and the skirt wall is connected to the cap body via an outer hinge. A hinge cap composed of an upper lid, and a cylindrical spout extending on the top wall of the cap main body on the opposite side of the outer hinge and obliquely upward and laterally is formed, and the spout is opened and closed at the top end of the spout The small lid is connected via an inner hinge, and the small lid is formed with a flange on the side opposite to the inner hinge, and radially inward on the side opposite to the outer hinge of the upper lid. Folded flap piece is formed, and when opening the upper lid, the flap piece and the lid part of the small lid are engaged to open the small lid, and when closing the upper lid The outer side of the flap piece contacts the outer side of the collar part of the small lid, and the small lid is closed. Hinge cap having an openable small lid, characterized in that the manner is provided.

According to the present invention, there is provided the hinge cap having the openable and closable small lid, wherein the flap piece in the upper lid is formed below the flexible inner protruding piece extending downward from the inner surface of the upper lid top wall. Provided.

In addition, according to the present invention, there is provided a hinge cap having the openable and closable small lid in which the flap piece in the upper lid is formed below the inner surface of the skirt wall of the upper lid.

According to the present invention, there is also provided a hinge cap having the openable / closable small lid, wherein the flap piece is formed over the entire lower periphery of the inner surface of the skirt wall of the upper lid.

In addition, according to the present invention, there is provided a hinge cap having the openable and closable small lid formed at the stepped portion where the upper end of the collar portion of the small lid is engaged with the flap piece of the upper lid.

Further, according to the present invention, the inner surface of the upper lid is formed with a contact portion with a small lid, and the outer surface of the small lid is formed with a convex portion. There is provided a hinge cap having the above-mentioned openable / closable small lid on which is abutted .

Further, according to the present invention, the outer surface of the small lid is formed with a convex portion that comes into contact with the convex portion on the inner side of the upper lid so as to become thicker from the inner hinge direction toward the central portion of the small lid. There is provided a hinge cap having the openable small lid.

The hinge cap of the present invention requires the use of fingers for opening and closing the small lid because the small lid connected to the cylindrical spout in the upper lid is opened and closed in conjunction with the opening and closing operation of the upper lid. Containers that require cleanliness, not only do users not get their hands dirty with the contents, but also keep the spout opening clean because they do not use their fingers. Particularly suitable as a cap. In addition, when the flap piece is formed over the entire lower circumference of the inner surface of the skirt wall of the upper lid, the strength of the flap piece is increased and the flap piece is not reversed by mistake even if the opening and closing operation of the small lid is repeated. The small lid is opened and closed.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a cross-sectional view of a state in which a hinge cap showing an embodiment disclosed in Example 1 of the present invention is attached to the mouth of a container, FIG. 2 is a cross-sectional view of a state in which an upper lid is opened, and FIG. FIG. 4 is a top view of FIG. 2, and FIG. 4 shows the interlocking state of the upper lid and the small lid in the opening process (a), (b), (c), (d).
, (E) is an explanatory diagram following the sequence, and FIG. 5 shows the interlocking state of the upper lid and the small lid in the closing process, on the contrary, (f), (g), (h), (i), (j) It is explanatory drawing which followed the order.
6 is a cross-sectional view of a state in which the hinge cap showing the embodiment disclosed in Example 2 is attached to the mouth of the container, and FIG. 7 shows the hinge cap showing the embodiment disclosed in Example 3. FIG. 8 is a cross-sectional view of a state where the container is mounted on the mouth of the container, and FIG.
<Example 1>

The hinge cap 1 according to the present invention includes a cap body 10 having a top wall 11 and a side wall 12 to be mounted on the mouth 31 of the container 30, and a top wall 2 in both the second and third embodiments described later.
1 and a skirt wall 22, and the skirt wall 22 includes an upper lid 20 connected to the cap body 10 via an outer hinge 13.
A cylindrical spout 14 is formed on the top wall 11 of the cap body 10 on the opposite side of the outer hinge 13 and extends obliquely upward and laterally. A small lid 15 that opens and closes the spout 14 is provided at the top end of the spout 14. Are connected via an inner hinge 16. The inner surface of the small lid 15 is provided with an annular inner wall 15b that fits into the inner periphery of the cylindrical spout 14 and maintains a good plugged state by the inner periphery of the cylindrical spout 14 and the outer periphery of the annular inner wall 15b. Can do.

The container 30 may be any container that can attach the hinge cap 1 to the mouth portion 31, and a squeeze-type container is preferably used. As shown in FIG. 1, the hinge cap is attached to the container mouth portion 31 by moving the container mouth portion 31 upward with the side wall 12 of the cap body 10 of the hinge cap 1 and the annular inner wall 12 a formed inside the side wall 12. In general, it is a form that is inserted by being sandwiched from the outside. In addition, a male thread is formed on the outer periphery of the container mouth, and the side wall 12 of the cap body is formed.
It is also possible to form a female thread corresponding to the male thread on the inner peripheral surface and screw both together (not shown).

Since the small lid 15 is connected to the outlet of the cap body via a hinge cap, it is possible to prevent a situation where the small lid 15 is dropped and lost. Excellent handleability for high business use.
A flange 17 is formed at the tip of the small lid 15 on the side opposite to the inner hinge 16, and a flap piece folded inward in the radial direction is formed on the side opposite to the outer hinge of the upper lid. In this embodiment, a flexible inner protruding piece 18 extending downward from the inner surface of the top cover 20 top surface wall 21 is formed, and a flap piece 19 folded radially inward from the lower portion of the inner protruding piece 18 is formed. Has been.

The flange portion 17 of the small lid 15 is disposed at a position where it engages with the flap piece 19 during the opening operation of the upper lid, and the opening of the small lid is performed as the opening operation of the upper lid proceeds. With the small lid completely opened, the engagement between the flange portion 17 and the flap piece 19 is released. As can be seen from FIGS. 4C and 4D and FIGS. 5H and 5I, the inner projecting piece 18 connected to the flap piece 19 is a skirt wall of the upper lid as the small lid is opened. It is necessary to bend slightly in the 22 direction, and it is preferable to have moderate elasticity. In addition, the size of the flap piece 19 needs to have a width and a length that can at least assist opening and closing operations of the small lid, but the width is at most about the diameter of the small lid. If it is less than that, what is necessary is just to be able to assist opening and closing operation of a small lid.

In the opening process, the opening of the upper lid 20 and the opening of the small lid 15 are interlocked so that the inner part of the flap piece 19 folded from the inner protruding piece 18 in the upper lid 20 is the small lid lid. Part 17
When the upper lid 20 is opened, it must be in a positional relationship such that the collar portion 17 of the small lid 15 is hooked when moving in an arc shape.
Further, in the plugging process, in order to interlock the closing of the upper lid 20 and the closing of the small lid 15, the lower end surface of the inner protruding piece 18 in the upper lid 20 and the outer side of the flap piece 19 are the flange portions 17 of the small lid 15.
The small lid 15 must be in a positional relationship such that the small lid 15 rotates and moves toward the cylindrical spout 14 side with the inner hinge 16 as a fulcrum.

In order for the above opening / closing operation to be performed smoothly, the inner hinge 16 is integrally formed to be connected to the cylindrical spout and the small lid, and the opening / closing of the small lid operates with a snap operation, and the small hinge is opened when the cap is opened. which lid is restricted so as not to open more than 90 degrees to the axis plug, specifically, for example, snap-type or flap that is described in JP-B 63- 17707 discloses or Kokoku 3-53182 Patent Publication A hinge called type is preferably used.

Next, with reference to FIG. 4 and FIG. 5, a state in which the small lid in the hinge cap of the present invention is opened and closed in conjunction with the opening and closing of the upper lid will be described.
FIG. 4 is an explanatory diagram of the plug-opening process, FIG. 5 is an explanatory diagram of the plug-closing process, and the reference numerals in FIG. 4 are the same as those in FIG. In consideration of this, the sign is omitted from the drawing to avoid complications.
4A is a cross-sectional view in which both the upper lid and the small lid are closed, and the flap piece 19 folded inward in the radial direction from the lower part of the inner projecting piece 18 of the upper lid is formed on the flange portion 17 of the small lid. The flap portion 19 is located so that the inner portion of the flap piece 19 is hooked on the collar portion 17 of the small lid when it is lowered and rises in an arc shape with the opening of the upper lid.

(B) shows the opening start state of the upper lid, and when the upper lid is further opened, as shown in (c), the flap piece 19 hooks the collar portion 17 of the small lid and the small lid 15 is opened. Start the plug. When the opening operation of the upper lid is further advanced, the small lid 15 is opened from the inner hinge 16 portion as a fulcrum by the action of the flap piece 19, and is moved from the state (d) to the state (e). The small lid is completely opened, and at the same time, the flap piece 19 is released from the hooked state with the collar portion 17 of the small lid.

Next, with reference to FIG. 5, the closing process of the small lid in the hinge cap of the present invention will be described.
FIG. 5 (f) shows the same state as FIG. 4 (e). When the top lid is closed from this state, the inside of the top lid 20 is placed outside the small lid 15 which is in the open state in the state (g). The inner projecting piece 18 and the flap piece 19 are in contact with each other, and the closing operation of the small lid proceeds as shown in FIG. (I) shows a state in which the small lid is closed, and when the upper lid is completely closed, the flap piece 19 is released from the hooked state with the collar portion 17 of the small lid as shown in (j). .
<Example 2>

Next, an embodiment of Example 2 of the present invention will be described with reference to FIG.
In order to keep the closed state of the small lid completely even after the hooked state of the hook portion 17 and the flap piece 19 of the small lid is released, the inner peripheral surface of the inner protrusion piece 18 of the upper lid is It is preferable that a convex portion 18a that abuts on the outer surface of the small lid in the closed state is formed. Further, on the outer surface of the small lid 15, a convex portion 15a that abuts on the convex portion 18a of the upper lid inner protruding piece 18 It is preferable that it is formed in an inclined shape that becomes thicker from the hinge direction toward the center of the small lid. The embodiment shown in FIG. 6 has the same configuration as that shown in FIGS. 1 to 5 except that the projections 18a and the projections 15a are provided.

Since the convex portion 15a formed on the small lid is formed in an inclined shape that becomes thicker from the inner hinge direction toward the central portion of the small lid, the sliding contact state between the small lid 15 and the flap piece 19 is achieved. It is performed smoothly using this inclination. The inner surface of the small lid 15 is preferably provided with an annular inner wall 15b that can be fitted to and detached from the inner periphery of the cylindrical spout 14 so that the capping of the small lid and the spout can be better maintained.
<Example 3>

FIG. 7 shows an embodiment of the third embodiment of the present invention. The feature of this embodiment is that the flap piece in the upper lid is the same as in the first and second embodiments.
It is not formed below the flexible inner projecting piece extending downward from the inner surface of the top lid top wall, but is formed directly below the inner surface of the skirt wall of the top lid.
In this embodiment, it is preferable that an engaging portion 12 b that can be engaged with the flange portion 22 a formed at the lower end of the upper lid skirt wall 22 is formed above the side wall 12 of the cap body 10.
Also in the third embodiment, the flange portion 17 of the small lid 15 is provided with the flap piece 1 when the upper lid is opened.
9, the small lid is also opened as the opening operation of the upper lid proceeds. With the small lid fully opened, the flange 17 and the flap piece 19 The engagement is released.

In the third embodiment, the size of the flap piece 19 needs to be at least a width and a length that can assist the opening and closing operation of the small lid. It is preferable that it is formed over the circumference in that the small lid can be opened and closed reliably. Further, in order to more reliably engage the flange portion 17 of the small lid 15 with the flap piece, the upper end of the small lid has a stepped portion 17a that engages with the flap piece of the upper lid. It is preferable. As a result, the tip of the flap piece 19 is reliably engaged with the stepped portion 17a formed at the top of the tip of the collar portion 17 of the small lid 15, and the small lid can be reliably opened and closed as the upper lid is opened and closed. Is.
The operation of the other configuration is the same as that of the first embodiment. In the third embodiment, the amount of the resin material used can be reduced because there is no flexible inner protruding piece extending downward from the inner surface of the top lid top wall. There is merit, and when the flap piece is formed over the entire lower part of the inner surface of the skirt wall of the upper lid,
There is an advantage that the strength of the flap piece is increased and the flap piece is not reversed by mistake even if the opening and closing operation of the small lid is repeated, and the opening and closing operation of the small lid is performed stably.

The material of the hinge cap of the present invention is preferably a material having both moderate rigidity and elasticity, and usually polypropylene or the like is preferably used.
The outer hinge 13 connects the cap body 10 and the upper lid 20, and after opening the upper lid 20 from the cap body 10, when the container is tilted to take out the contents, the upper lid 20 pivots in the closing direction and spouts. A known snap hinge or the like having a spring property can be adopted so as to block 14 and prevent the contents from being taken out.

The hinge cap of the present invention has the merit that no operation with fingers is required because the opening and closing of the small lid attached to the content outlet formed in the cap body is performed in conjunction with the opening and closing operation of the upper lid. In addition to being used in ordinary households, it has extremely high utility value in usage forms such as food processors, restaurants and canteens that frequently use contents such as seasonings.

It is an expanded sectional view of the closed state of the hinge cap of Example 1 of the present invention. It is an expanded sectional view of the opening state of the hinge cap of Example 1 of this invention. FIG. 3 is a top view of FIG. 2. It is explanatory drawing which shows the interlocking state of the upper cover and a small cover in the opening process of the hinge cap of Example 1 of this invention. It is explanatory drawing which shows the interlocking state of the upper cover and the small cover in the closing process of the hinge cap of Example 1 of this invention. It is sectional drawing of the closure state of the hinge cap of Example 2 of this invention. It is sectional drawing of the closure state of the hinge cap of Example 3 of this invention. It is an expanded sectional view of the step part of the small lid of FIG. It is sectional drawing which shows the prior art example shown by patent document 1. FIG. It is sectional drawing which shows the prior art example shown by patent document 2. FIG. It is sectional drawing which shows the prior art example shown by patent document 3. FIG. It is sectional drawing which shows the prior art example shown by patent document 4. FIG.

Explanation of symbols

1, a, a1 to a3 ... Hinge cap 10, d ... Cap body 11 ...・ ・ Upper wall 12 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Side wall 12a ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Cap body annular inner wall 12b ・ ・·············································································· Outer hinge ···································· 15・ ・ ・ ・ ・ ・ ・ ・ Small lid convex part 15b ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Annular inner wall 16 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・・ ・ Inner hinge 17 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Little lid 17a ····················································· 18 19 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Flap piece 20, e ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Upper lid 21・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Upper lid top wall 22 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Upper lid skirt wall 22a ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・... upper lid collar 30, b ... container 31, c ... container mouth h・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Ring wall

Claims (7)

A hinge cap comprising a cap body having an upper wall and a side wall to be attached to the mouth of the container, and an upper lid having a top wall and a skirt wall, the skirt wall being connected to the cap body via an outer hinge. A cylindrical spout is formed on the top wall of the cap body so as to extend diagonally upward and laterally opposite to the outer hinge. A small lid for opening and closing the spout is provided at the top end of the spout via the inner hinge. The small lid is formed with a flange on the side opposite to the inner hinge,
A flap piece folded inward in the radial direction is formed on the side opposite to the outer hinge of the upper lid,
During the opening operation of the upper lid, the flap piece and the hook of the small lid are engaged, and the small lid is opened.
When closing the lid, the outside of the flap piece comes into contact with the outside of the collar of the small lid, and the small lid is closed.
Hinge cap having an openable small lid which is characterized in that it has to be. 2. The hinge cap having a small lid that can be opened and closed according to claim 1, wherein the flap piece in the upper lid is formed below a flexible inner protruding piece that extends downward from the inner surface of the top lid top wall. The hinge cap having a small lid that can be freely opened and closed according to claim 1, wherein the flap piece in the upper lid is formed below the inner surface of the skirt wall of the upper lid. The hinge cap having a small lid that can be freely opened and closed according to claim 3, wherein the flap piece is formed over the entire lower periphery of the inner surface of the skirt wall of the upper lid. The hinge cap having an openable / closable small lid according to claim 3, wherein an upper end of the small lid has a stepped portion that engages with a flap piece of the upper lid. A contact portion with a small lid is formed on the inner surface of the upper lid, a convex portion is formed on the outer surface of the small lid, and the contact portion and the convex portion are in contact with each other in a closed state. A hinge cap having a small lid that can be freely opened and closed according to any one of 1 to 5 . 7. The openable and closable opening according to claim 6, wherein a convex portion that abuts on the convex portion on the inner side of the upper lid is formed on the outer surface of the small lid so as to become thicker from the inner hinge direction toward the central portion of the small lid. Hinge cap with a small lid.

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