JP7417242B2 - hinge cap - Google Patents

Description

The present invention relates to a hinged cap that is attached to a container.

Conventionally, as shown in FIG. 11, for example, this type of hinged cap includes a cap body 103 that is attached to an opening 102 of a container 101, and a lid body 104 that is attached to the cap body 103.
The cap body 103 has a release member 106 surrounded by a breakable weakened portion 105 . As shown in FIG. 12, a spout 114 is formed in the cap body 103 by breaking the weakened portion 105 and detaching the detachment member 106 from the cap body 103. The detachment member 106 has a cylindrical wall 107, and a plurality of external teeth 108 are provided on the outer periphery of the cylindrical wall 107.

The lid body 104 includes a lower lid 109 and an upper lid 111 rotatably connected to the lower lid 109 via a hinge 110. A cylindrical sealing ring 112 is formed on the upper lid 111, and a plurality of internal teeth 113 are provided on the inner circumference of the sealing ring 112. The cylindrical wall 107 is inserted into the sealing ring 112, and external teeth 108 and internal teeth 113 are arranged alternately in the circumferential direction A.

According to this, in order to open the hinge cap 100, by rotating the lid body 104 in either one of the circumferential directions A, the upper lid 111 and the lower lid 109 rotate with respect to the cap body 103, and the upper lid 111 and The sealing ring 112 rotates together, and the internal teeth 113 engage with the external teeth 108 from the direction of rotation. As a result, the rotational force of the lid body 104 is applied to the cylindrical wall 107 of the detachment member 106 via the internal teeth 113 and the external teeth 108, the weakened portion 105 is broken, and the detachment member 106 is detached from the cap body 103. .

Thereafter, as shown in FIG. 12, by separating the upper lid 111 from the lower lid 109 in the opening direction O centering on the hinge 110, the detachment member 106 is held in the upper lid 111, and the spout 114 of the cap body 103 is opened. be done.

The hinge cap as described above is described in, for example, Patent Document 1 listed below.

Patent No. 6202528

However, in the conventional type described above, force is applied to the hinge 110 when rotating the lid 104 when opening the bottle, so there is a risk that the hinge 110 may be damaged. In order to prevent such damage to the hinge 110, as shown in FIG. By being engaged with each other, the lower lid 109 and the upper lid 111 are made to rotate integrally.

An object of the present invention is to provide a hinge cap that can prevent damage to the hinge.

In order to achieve the above object, the first invention includes a cap body that is attached to a container, and a lid that is attached to the cap body so as to be openable and closable.
The cap body has a release member surrounded by a breakable weakened portion and a pouring nozzle ,
A cap in which a spout is formed inside the spout nozzle by the weakened portion breaking and the detachment member being detached from the cap main body,
The lid has a lid body provided on the cap body via a hinge, and an opening knob rotatably held with respect to the lid body ,
The opening knob has a sealing member that seals the pouring nozzle and a cylindrical member,
The sealing member is provided separately from the cylindrical member, is located radially outward from the cylindrical member, is inserted into the spouting nozzle with the lid closed, and comes into close contact with the inner periphery of the spouting nozzle,
a first engagement portion is formed on the detachment member;
A second engaging portion is formed on the cylindrical member of the opening knob,
When the unsealing knob rotates with respect to the lid body with the lid closed, the second engaging part of the unsealing knob engages the first engaging part of the release member in the rotational direction, and the rotational force of the unsealing knob is It is applied to the detachment member via the first and second engaging portions.

According to this, in order to open an unused hinge cap with a closed lid, the unsealing knob is rotated relative to the lid body, so that the second engaging part of the unsealing knob is moved to the first part of the detachment member in the rotational direction. The cap is engaged with the engaging portion, and the rotational force of the unsealing knob is applied to the detachment member through the first and second engagement portions, the weakened portion is ruptured, and the detachment member is detached from the cap body and held in the cylindrical member. be done.

Thereafter, by separating the lid from the cap body in the opening direction centering on the hinge, the spout of the cap body is opened with the detachment member being held by the opening knob.

In the opening operation as described above, the cap body and the lid body of the lid are connected via a hinge, and the opening knob rotates with respect to the lid body while the lid body is fixed to the cap body in the circumferential direction. Therefore, when rotating the opening knob, almost no force is applied to the hinge. This can prevent damage to the hinge. Further, there is no need to provide an engaging protrusion or an engaging recess for integrally rotating the lower cover and the upper cover as in the conventional case.

In the hinge cap according to the second invention, the detachment member has a cylindrical portion,
The opening knob has a first fitting protrusion fitted into the cylindrical portion of the release member,
The cylindrical part of the release member is inserted into the cylindrical member of the opening knob,
A plurality of first engaging portions are formed in the circumferential direction on the outer periphery of the cylindrical portion of the detachment member,
A plurality of second engaging portions are formed on the inner periphery of the cylindrical member of the opening knob in the circumferential direction.

According to this, when opening the hinge cap, the second engaging portion engages with the first engaging portion in the rotational direction by rotating the opening knob relative to the lid body. At this time, since the first fitting protrusion is fitted into the cylindrical portion of the detachment member, it is possible to prevent the cylindrical portion of the detachment member from deforming inward in the radial direction. Thereby, the second engaging part can reliably engage with the first engaging part, and the loss of rotational force applied to the detachment member via the first and second engaging parts can be reduced.

In the hinge cap according to the third invention, the detachment member has a cylindrical portion,
The opening knob has a first fitting protrusion fitted onto the cylindrical portion of the detachment member;
The cylindrical member of the opening knob is inserted into the cylindrical part of the release member,
A plurality of first engaging portions are formed in the circumferential direction on the inner circumference of the cylindrical portion of the detachment member,
A plurality of second engaging portions are formed in the circumferential direction on the outer periphery of the cylindrical member of the opening knob.

According to this, when opening the hinge cap, the second engaging portion engages with the first engaging portion in the rotational direction by rotating the unsealing knob relative to the lid body. At this time, since the first fitting protrusion is fitted onto the cylindrical portion of the detachment member, it is possible to prevent the cylindrical portion of the detachment member from deforming radially outward. As a result, the second engaging portion reliably engages with the first engaging portion, and the loss of rotational force applied to the detachment member via the first and second engaging portions can be reduced.

In the hinge cap according to the fourth aspect of the present invention, the lid main body has a peripheral wall formed in a cylindrical shape and a third engagement part provided on the peripheral wall,
The opening knob has a second fitting protrusion rotatably fitted into the peripheral wall of the lid main body, and a fourth engaging part provided on the second fitting protrusion,
The opening knob is rotatably held on the lid body by the fourth engaging part engaging the third engaging part from within the peripheral wall in the direction of the rotation axis of the opening knob.

According to this, when opening the hinge cap, by turning the unsealing knob relative to the lid body, the unsealing knob rotates with the fourth engaging part engaged with the third engaging part from within the peripheral wall. , it is possible to prevent the opening knob from coming off from the lid body.

As described above, according to the present invention, damage to the hinge can be prevented.

It is a sectional view of the hinge cap in a 1st embodiment of the present invention, and shows an unopened state. It is a sectional view of the hinge cap of the same, showing a state in which the lid is opened. 2 is a view taken along the line XX in FIG. 1. FIG. It is a sectional view of a cap main body and a lid main body of the hinge cap. 5 is a view taken along the line XX in FIG. 4. FIG. It is a sectional view of the unsealing knob of the hinge cap in the same. 7 is a view taken along the line XX in FIG. 6. FIG. It is a sectional view of the hinge cap in a 2nd embodiment of the present invention, and shows an unopened state. It is a sectional view of the hinge cap in a 3rd embodiment of the present invention, and shows an unopened state. It is a top view of the cap main body and lid main body of the hinge cap in the 4th Embodiment of this invention, and shows the state where the lid main body is opened. It is a sectional view of a conventional hinge cap, showing an unopened state. It is a sectional view of the hinge cap of the same, showing a state in which the lid body is opened. It is a side view of the hinge cap in the same case.

Embodiments of the present invention will be described below with reference to the drawings.

(First embodiment)
As shown in FIGS. 1 and 2, the hinge cap 1 includes a cap body 4 that is attached to the mouth 3 of the container 2, and a lid 5 that is attached to the cap body 4 so as to be openable and closable. Assuming that the axis 7 of the hinge cap 1 is in the vertical direction, the cap body 4 includes a cylindrical body 9, a ceiling plate 10 provided at the upper end of the body 9, and a cap body 4 that is erected upward from the ceiling plate 10. It has a cylindrical pouring nozzle 11 and a detachable member 13 surrounded by a breakable weakened part 12.

The body portion 9 has an inner tube portion 15, an outer tube portion 16, and a groove portion 17 formed between the inner tube portion 15 and the outer tube portion 16 over the entire circumference. The cap body 4 is attached to the container 2 by inserting the mouth portion 3 of the container 2 into the groove portion 17.

A locking recess 19 that is slightly recessed inward in the radial direction is formed on the outer peripheral edge of the ceiling plate 10 over the entire circumference. Further, as shown in FIG. 2, when the weakened portion 12 breaks and the detachment member 13 separates from the cap body 4, a spout 21 is formed inside the spout nozzle 11. Note that the wall thickness of the weakened portion 12 is made thinner than that of the surrounding portion.

The detachment member 13 has a cylindrical portion 23 that is closed at the bottom and open at the top. As shown in FIGS. 4 and 5, a plurality of first engaging portions 25 are formed in the circumferential direction A on the outer periphery of the cylindrical portion 23. As shown in FIGS. Note that the first engaging portion 25 is a mountain-shaped protrusion (rib) that protrudes radially outward from the outer periphery of the cylindrical portion 23 .

As shown in FIGS. 1 to 3, the lid 5 includes a lid body 28 provided on the cap body 4 via a hinge 27, and an opening knob 29 held by the lid body 28 and rotatable in the circumferential direction A. have.

As shown in FIGS. 1, 4, and 5, the lid main body 28 includes a cylindrical peripheral wall 31 and a third engaging portion 32 provided on the peripheral wall 31. The third engaging portion 32 protrudes radially inward from the upper end of the peripheral wall 31 and is provided over the entire circumference.

A locking convex portion 33 that slightly protrudes radially inward is formed on the inner periphery of the lower end of the peripheral wall 31 over the entire circumference. As shown in FIG. 1, when the lid 5 is closed, the locking protrusion 33 of the lid 5 is locked in the locking recess 19 of the cap body 4.

As shown in FIG. 1, FIG. 2, FIG. 6, and FIG. a circular cylindrical member 39 that is fitted onto the cylindrical portion 23 of the detachment member 13; a first fitting protrusion 40 that is fitted inside the tip of the cylindrical portion 23 of the detachment member 13; It has a second fitting protrusion 41 that is rotatably fitted into the peripheral wall 31 of the lid main body 28, and a fourth engaging part 42 provided on the second fitting protrusion 41.

The sealing member 38 is a cylindrical member provided on the top plate portion 36 radially inside the skirt portion 37, and is inserted into the spout nozzle 11 with the lid 5 closed, as shown in FIG. , the tip portion is in close contact with the inner circumference of the spouting nozzle 11 over the entire circumference.

The cylindrical member 39 is provided on the top plate portion 36 on the inner side in the radial direction than the sealing member 38 . A plurality of second engaging portions 45 are formed in the circumferential direction A on the inner circumference of the cylindrical member 39 . The second engaging portion 45 is a mountain-shaped protrusion (rib) that protrudes radially inward from the inner periphery of the cylindrical member 39 .

As shown in FIGS. 1 to 3, the cylindrical portion 23 of the release member 13 is inserted into the cylindrical member 39 of the unsealing knob 29, and in this state, the first engaging portion 25 and the second engaging portion 45 are They are arranged alternately in direction A. The first fitting protrusion 40 is provided in an annular shape on the top plate portion 36 on the radially inner side of the cylindrical member 39 .

The second fitting protrusion 41 is disposed between the skirt portion 37 and the sealing member 38 in the radial direction, and is provided in the top plate portion 36 in an annular shape. The fourth engaging portion 42 protrudes radially outward from the lower end portion of the second fitting protrusion 41 and is provided over the entire circumference.

As shown in FIGS. 1 and 2, the fourth engaging portion 42 engages with the third engaging portion 32 from within the peripheral wall 31 in the rotational axis direction B of the unsealing knob 29, so that the unsealing knob 29 closes the lid. It is rotatably held by the main body 28. The rotational axis of the unsealing knob 29 is the same as the axis 7 of the hinge cap 1.

The operation of the above configuration will be explained below.

In order to open an unused hinge cap 1 with the lid 5 closed, the unsealing knob 29 is rotated relative to the lid body 28, so that the second engaging portion 45 of the unsealing knob 29 releases the release member in the rotational direction C. 13, the rotational force of the unsealing knob 29 is applied to the detachment member 13 via the first and second engagement portions 25, 45, and the weakened portion 12 is broken to separate the detachment member. 13 is detached from the cap body 4 and remains within the cylindrical member 39.

Thereafter, as shown in FIG. 2, by detaching the lid 5 from the cap body 4 in the opening direction O centering on the hinge 27, the cylindrical portion 23 of the detaching member 13 is inserted into the cylindrical member 39 of the opening knob 29. In this state, the spout 21 of the cap body 4 is opened.

As a result, the inside and outside of the container 2 communicate with each other through the spout 21, and the contents of the container 2 are poured out from the spout nozzle 11 through the spout 21.

In the above-mentioned opening operation, the cap body 4 and the lid body 28 are connected via the hinge 27, and the opening knob 29 is in a state where the lid body 28 is fixed to the cap body 4 in the circumferential direction A. Since the opening knob 29 rotates relative to the hinge 28, almost no force is applied to the hinge 27 when the opening knob 29 is rotated. Thereby, damage to the hinge 27 can be prevented. Further, there is no need to provide an engaging protrusion or an engaging recess for integrally rotating the lower cover and the upper cover as in the conventional case.

Further, when the second engaging part 45 engages with the first engaging part 25 in the rotational direction C as described above, the first fitting protrusion 40 engages with the cylindrical part 25 of the detachment member 13, as shown in FIG. Since the cylindrical portion 23 is fitted inside the tip of the cylindrical portion 23, it is possible to prevent the cylindrical portion 23 from deforming inward in the radial direction. Thereby, the second engaging part 45 reliably engages with the first engaging part 25, reducing the loss of rotational force applied to the detachment member 13 via the first and second engaging parts 25, 45. be able to. Furthermore, when the lid 5 is opened from the cap body 4 in the opening direction O, the detachment member 13 can be prevented from falling off from the cylindrical member 39.

Further, when the unsealing knob 29 is turned, the unsealing knob 29 rotates with the fourth engaging part 42 engaged with the third engaging part 32 from within the peripheral wall 31, so the unsealing knob 29 comes off from the lid body 28. It is possible to prevent this from happening.

After opening the unused hinge cap 1 as described above, the lid 5 is moved around the hinge 27 in the closing direction S (see FIG. 2) and closed. As a result, the sealing member 38 is inserted into the spouting nozzle 11, and the tip of the sealing member 38 comes into close contact with the inner circumference of the spouting nozzle 11 over the entire circumference, so that the spouting nozzle 11 is sealed with the lid 5.

Furthermore, when the lid 5 is closed, the locking protrusion 33 of the lid 5 is locked in the locking recess 19 of the cap body 4, as shown in FIG. 1, so that the lid 5 is prevented from opening accidentally. can do.

(Second embodiment)
In the second embodiment, the internal and external positional relationships between the cylindrical portion 23 of the detachment member 13, the cylindrical member 39 of the unsealing knob 29, and the first fitting protrusion 40 in the first embodiment described above are reversed. It is composed of

That is, as shown in FIG. 8, the first fitting protrusion 40 is externally fitted onto the tip of the cylindrical portion 23 of the detachable member 13. As shown in FIG. The cylindrical member 39 of the unsealing knob 29 is inserted into the cylindrical portion 23 of the detachment member 13. The first engaging portion 25 is formed on the inner periphery of the cylindrical portion 23 of the release member 13, and the second engaging portion 45 is formed on the outer periphery of the cylindrical member 39 of the opening knob 29.

The operation of the above configuration will be explained below.

When opening an unused hinge cap 1 with the lid 5 closed, by rotating the unsealing knob 29 with respect to the lid body 28, the second engaging portion 45 is connected to the first engaging portion 25 in the rotation direction C. engage. At this time, since the first fitting protrusion 40 is externally fitted onto the tip of the cylindrical portion 23 of the detachment member 13, it is possible to prevent the cylindrical portion 23 of the detachment member 13 from deforming radially outward. Thereby, the second engaging part 45 reliably engages with the first engaging part 25, reducing the loss of rotational force applied to the detachment member 13 via the first and second engaging parts 25, 45. be able to. Furthermore, when the lid 5 is opened from the cap body 4 in the opening direction O, the detachment member 13 can be prevented from falling off from the cylindrical member 39.

(Third embodiment)
In the third embodiment, as shown in FIG. 9, the first fitting protrusion 40 is not provided on the unsealing knob 29. A plurality of first engaging portions 25 are formed on the outer periphery of the cylindrical portion 23 of the detachment member 13, and one locking portion 51, which is slightly recessed inward in the radial direction, is formed at the upper tip of the first engaging portion 25. It is formed around the circumference.

Further, a plurality of second engaging portions 45 are formed on the inner periphery of the cylindrical member 39 of the unsealing knob 29, and the other locking portion slightly protrudes radially inward at the upper rear end thereof. A portion 52 is formed over the entire circumference.

The cylindrical part 23 of the release member 13 is inserted into the cylindrical member 39 of the unsealing knob 29, and in this state, the first engaging part 25 and the second engaging part 45 are arranged alternately in the circumferential direction A, One locking portion 51 and the other locking portion 52 are locked in the rotation axis direction B.

According to this, when the weakened portion 12 is broken and the detachment member 13 is detached from the cap body 4 and held by the cylindrical member 39, one locking portion 51 and the other locking portion 52 are connected in the direction of the rotation axis. Since it is locked at B, when the lid 5 is opened from the cap body 4 in the opening direction O, the detachment member 13 can be prevented from falling off from the cylindrical member 39.

(Fourth embodiment)
In the fourth embodiment, as shown in FIG. 10, the hinge cap 1 is provided with a rotation prevention mechanism 56 that prevents the lid body 28 from rotating in the circumferential direction A with respect to the cap body 4. The detent mechanism 56 includes a convex portion 57 formed in the lid body 28 and a recessed portion 58 formed in the cap body 4. The convex portion 57 can be freely engaged with and disengaged from the concave portion 58 in the opening/closing direction of the lid 5.

According to this, since the convex portion 57 is engaged with the concave portion 58 when the lid 5 is closed, the lid body 28 is prevented from rotating relative to the cap body 4. Thereby, when the opening knob 29 is rotated relative to the lid body 28 in order to open an unused hinge cap 1, it is possible to reliably prevent the lid body 28 from rotating together with the opening knob 29. The forces acting on the hinge 27 are further reduced. Further, when the lid 5 is opened, the convex portion 57 separates from the concave portion 58.

1 Hinge cap 2 Container 4 Cap body 5 Lid 12 Weakened portion 13 Separation member 21 Spout 23 Cylindrical portion 25 First engaging portion 27 Hinge 28 Lid body 29 Unsealing knob 31 Surrounding wall 32 Third engaging portion 39 Cylindrical member 40 First Fitting protrusion 41 Second fitting protrusion 42 Fourth engaging part 45 Second engaging part A Circumferential direction B Rotation axis direction C Rotation direction

Claims (4)

It has a cap body that is attached to the container, and a lid that is attached to the cap body so that it can be opened and closed,
The cap body has a release member surrounded by a breakable weakened portion and a pouring nozzle ,
A cap in which a spout is formed inside the spout nozzle by the weakened portion breaking and the detachment member being detached from the cap main body,
The lid has a lid body provided on the cap body via a hinge, and an opening knob rotatably held with respect to the lid body ,
The opening knob has a sealing member that seals the pouring nozzle and a cylindrical member,
The sealing member is provided separately from the cylindrical member, is located radially outward from the cylindrical member, is inserted into the spouting nozzle with the lid closed, and comes into close contact with the inner periphery of the spouting nozzle,
a first engagement portion is formed on the detachment member;
A second engaging portion is formed on the cylindrical member of the opening knob,
When the unsealing knob rotates with respect to the lid body with the lid closed, the second engaging part of the unsealing knob engages the first engaging part of the release member in the rotational direction, and the rotational force of the unsealing knob is A hinge cap that is attached to a detachment member through first and second engaging portions. The detachment member has a cylindrical portion;
The opening knob has a first fitting protrusion fitted into the cylindrical portion of the release member,
The cylindrical part of the release member is inserted into the cylindrical member of the opening knob,
A plurality of first engaging portions are formed in the circumferential direction on the outer periphery of the cylindrical portion of the detachment member,
The hinge cap according to claim 1, wherein a plurality of second engaging portions are formed in the circumferential direction on the inner periphery of the cylindrical member of the opening knob. The detachment member has a cylindrical portion;
The opening knob has a first fitting protrusion fitted onto the cylindrical portion of the detachment member;
The cylindrical member of the opening knob is inserted into the cylindrical part of the release member,
A plurality of first engaging portions are formed in the circumferential direction on the inner circumference of the cylindrical portion of the detachment member,
The hinge cap according to claim 1, wherein a plurality of second engaging portions are formed in the circumferential direction on the outer periphery of the cylindrical member of the opening knob. The lid main body has a peripheral wall formed in a cylindrical shape and a third engagement part provided on the peripheral wall,
The opening knob has a second fitting protrusion rotatably fitted into the peripheral wall of the lid main body, and a fourth engaging part provided on the second fitting protrusion,
Claim 1, wherein the unsealing knob is rotatably held on the lid main body by the fourth engaging part engaging the third engaging part from within the peripheral wall in the direction of the rotation axis of the unsealing knob. 4. A hinge cap according to claim 3.

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