JP7433114B2 - hinge cap - Google Patents

Description

The present invention relates to a hinge cap.

Conventionally, as a cap attached to the mouth of a container body, for example, as shown in Patent Document 1 below, a cap that is attached to the mouth of a container body containing contents and a cap for dispensing the contents has been used. A cap body in which an outlet is formed, a lid body that is rotatably connected to the cap body around a hinge and covers the spout so that it can be opened and closed, and a lid body that is connected to the opening edge of the spout via a weakened part and has a spout. A hinge cap is known that includes a plug opening that closes off the plug.
In the hinge cap configured in this manner, the spout can be opened by removing the plug while breaking the weakened portion by pulling up the pull ring provided on the plug.

Patent No. 4560349

However, in the conventional hinge cap described above, it is necessary to pull up the pull ring after removing the lid from the cap body, so there is room for improvement in operability when opening the cap.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a hinge cap that can improve operability when opening the cap.

(1) The hinge cap according to the present invention includes a cap body that is attached to the mouth of a container body in which contents are stored and has a spout for pouring out the contents, and a cap body that is attached to the hinge portion of the cap body. a lid that is rotatably connected and covers the spout in an openable/closable manner; and a closing plate that is connected to the opening edge of the spout via a breakable weakened part to close the spout. , a plug-removal body that integrally connects the lid body and the closure plate, and a cap-removal body that penetrates the top wall of the lid body in the axial direction of the cap, and a cap-removal body that extends in the cap-axial direction. A first insertion hole that is inserted from one side of the cap is formed in the closing plate, and a first insertion hole that passes through the closing plate in the axial direction of the cap and into which the plug removal body is inserted from one side of the cap in the axial direction. 2 insertion holes are formed, and the plug removal body includes a first shaft part fitted inside the first insertion hole, and a second shaft part fitted inside the second insertion hole. , a seal portion is provided between at least one of the first insertion hole and the first shaft portion and between the second insertion hole and the second shaft portion. Features.

According to the hinge cap according to the present invention, since the closing plate that closes the spout and the lid body are integrally connected via the plug removal body, by rotating the lid body around the hinge part, The closing plate can be rotated together with the lid. Thereby, an external force can be applied to the closing plate in conjunction with the opening operation of the lid, and the closing plate can be pulled up and gradually separated from the spout while breaking the weakened portion. Thereby, the spout can be opened at the stage when the opening operation of the lid is completed. In this way, the opening operation of the spout can be performed at the same time as the opening operation of the lid body, so that the operability at the time of opening can be improved.

In particular, the plug removal body has a first shaft part that is fitted inside the first insertion hole and a second shaft part that is fitted inside the second insertion hole, and has a first shaft part that is fitted inside the first insertion hole, and a second shaft part that is fitted inside the second insertion hole. They are fitted separately. Therefore, it is possible to firmly connect the lid and the closure plate by using the two fittings of the plug removal body. Therefore, even if the opening torque of the lid is high, for example, the plug can be attached to the closing plate through the plug without causing any inconvenience such as the plug removing from the first insertion hole and the second insertion hole. external force can be transmitted reliably. Therefore, it is possible to stably open the package.

Further, since the sealing portion is provided, the sealing performance between the inside and the outside of the container body can be improved when the hinge cap is attached to the container body. Thereby, it is possible to prevent outside air, moisture, etc. from entering the container body from the outside.
Furthermore, when manufacturing the hinge cap, the plug removal body can be set by simply inserting it into the first insertion hole and the second insertion hole from one side in the axial direction of the cap. Therefore, the plugging body can be set easily, and the hinge cap can be manufactured efficiently.

(2) The outer circumferential surface of the first shaft portion can be tightly fitted to the inner circumferential surface of the first insertion hole, and serves as a first sealing surface that functions as the seal portion, and The outer circumferential surface of the part may be configured to be able to fit tightly into the inner circumferential surface of the second insertion hole, and serve as a second sealing surface functioning as the sealing part.

In this case, the first sealing surface and the second sealing surface can be used to seal the capper at two locations, upper and lower, thereby further improving the sealing performance between the inside and outside of the container body. I can do it.

(3) The lid body is configured such that it can be locked from below to a first locked portion formed on the plug removal body when the lid body is opened around the hinge portion, and A first locking part that pulls up the body is formed on the plug puller body, and as the plug puller body is pulled upward, a second locking part formed on the closing plate is connected to the plug puller body from below. A second locking portion that can be locked may be formed.

In this case, as the lid is opened, the first locking part can be locked to the first locked part from below, so the plug removal body can be moved upwardly. can be done. As the plug removal body is pulled up, the second locking portion can be locked to the second locked portion from below, so that external force can be reliably transmitted to the closing plate. Therefore, when the lid is opened, the closing plate can be pulled up more stably while breaking the weakened portion, and the operability at the time of opening can be further improved.

(4) The first locking part is arranged below the first locking part with a space between the first locking part and the lid body around the hinge part. When the plug is rotated by a predetermined angle, it is locked from below to the first locked part, and the first locking part is locked to the first locked part of the plug removal body. In some cases, an auxiliary locking portion may be formed to lock the lid from below.

In this case, when the lid is opened and the lid is rotated by a predetermined angle, the first locking portion can be locked to the first locked portion from below. Therefore, it is possible to relatively move the first shaft portion of the plug removal body downward within the first insertion hole until the first locking portion locks with the first locked portion. Therefore, after the first locking part is locked to the first locked part, the first shaft part is kept moving downward in the first insertion hole, and the cap is removed as the lid is further opened. You can pull yourself up. Thereby, the seal can be opened by pulling up the closing plate while breaking the weakened portion.

In particular, after the first locking part locks with the first locked part, the auxiliary locking part locks with the lid from below, so the first shaft part is moved downward within the first insertion hole. can be maintained in a stable condition. Therefore, even if the lid is closed afterwards, the state of the plug removal body relative to the lid, that is, the state in which the first shaft portion is moving downward within the first insertion hole, can be visually confirmed, and it is possible to check whether the lid has been opened. It is possible to understand whether or not it is true. In this way, it is possible to easily and reliably ascertain whether the seal has been opened or not by simply visually checking the positional relationship of the capper with respect to the lid, thereby improving ease of use.

(5) The lid body is formed with an accommodation recess that is recessed downward from the upper surface of the top wall and communicates with the first insertion hole, and the first shaft part is arranged in the accommodation recess. An unsealing plate is arranged in series, and the unsealing plate is arranged so as to be flush with the upper surface of the top wall, and when the lid body is rotated by a predetermined angle around the hinge portion, the opening plate is disposed so as to be flush with the upper surface of the top wall. It may be located below the top surface of the wall.

In this case, when the seal is opened, the opening plate can be moved downward within the accommodation recess as the first shaft portion moves relatively downward within the first insertion hole. Therefore, the unsealing plate can be moved from a state where it is flush with the top surface of the top wall of the lid body to a state where it is one step lower than the top surface of the top wall. Therefore, even if the lid is subsequently closed, the unsealed state can be determined by visually checking the state of the unsealing plate relative to the accommodation recess. In particular, since the visible area of the opening plate can be increased, it is easy to clearly see the state of the opening plate before and after opening, and it is possible to more reliably determine whether the opening has occurred.

(6) The closing plate is provided with an annular sealing piece that seals the opening edge of the spout when the lid body around the hinge portion is closed after the weakened portion is broken. Also good.

In this case, when the lid is closed around the hinge after opening, the lid can be closed while sealing the opening edge of the spout using the seal piece. Therefore, the container body can be stored, etc. with the inside of the container body properly sealed.

(7) The plug removal body may be formed of a harder material than the lid body and the closure plate.

In this case, since the plug removal body is made of a harder material than the lid body and the closing plate, the plug removal body can be made difficult to deform when the lid body is rotated around the hinge portion. Therefore, the lid body and the closure plate can be connected more stably through the plug removal body, and external force can be stably transmitted to the closure plate via the closure body. Therefore, the operability when opening the package can be further improved.

According to the hinge cap according to the present invention, operability when opening the cap can be improved.

1 is a longitudinal cross-sectional view showing a first embodiment of a hinge cap according to the present invention. FIG. 2 is a top view of the occlusion plate taken along line AA shown in FIG. 1; FIG. 2 is a longitudinal cross-sectional view showing a state in which the lid is opened from the state shown in FIG. 1 and then the lid is closed with respect to the cap body. It is a longitudinal cross-sectional view showing a second embodiment of the hinge cap according to the present invention. It is a longitudinal cross-sectional view showing a third embodiment of the hinge cap according to the present invention. FIG. 6 is a longitudinal cross-sectional view showing a state in which the lid body is opened from the state shown in FIG. 5 and the cap removal body is pulled upward. FIG. 7 is a longitudinal cross-sectional view showing a state in which the cap is opened from the state shown in FIG. 6 and the lid body is then closed with respect to the cap body. It is a longitudinal cross-sectional view showing a 4th embodiment of the hinge cap concerning the present invention. FIG. 9 is a longitudinal cross-sectional view showing a state in which the lid body is opened from the state shown in FIG. 8 and the plug removal body is started to be pulled upward. FIG. 10 is a longitudinal cross-sectional view showing a state in which the lid is opened from the state shown in FIG. 9 and then the lid is closed with respect to the cap body.

(First embodiment)
A first embodiment of the hinge cap according to the present invention will be described with reference to the drawings.
As shown in FIG. 1, the hinge cap 1 of this embodiment is attached to the opening 2a of a bottomed cylindrical container body 2 in which the contents are stored, and has a spout 11 formed therein for pouring out the contents. a cylindrical cap body 10, a cap 13 connected to the cap body 10 via a hinge part 12 and covering the spout 11 in an openable/closable manner; It includes a closing plate 15 that closes the spout 11 by being connected through the weakened portion 14, and a plug removal body 16 that connects the lid 13 and the closing plate 15 together.

Note that the cap body 10, the lid body 13, and the closing plate 15 are integrally formed. The plug removal body 16 is formed separately from the cap body 10, the lid 13, and the closure plate 15, and is integrally assembled with the lid 13 and the closure plate 15.

The hinge cap 1 and the container body 2 are arranged such that their respective central axes are located on a common axis. In this embodiment, this common axis is called a cap axis O1, the lid 13 side along the cap axis O1 is called an upper side, and the container body 2 side is called a lower side. Further, in a plan view seen from the direction of the cap axis O1, the direction intersecting the cap axis O1 is called the radial direction, and the direction going around the cap axis O1 is called the circumferential direction.
Further, one of the radial directions that are perpendicular to each other is referred to as a front-rear direction L1, and the other direction is referred to as a left-right direction L2. Further, in the front-rear direction L1, the hinge portion 12 side is defined as the rear, and the opposite side thereof is defined as the front.

A first engaging protrusion 3 is formed on the outer circumferential surface of the mouth portion 2a of the container body 2 and protrudes radially outward. Note that the first engaging protrusions 3 may be formed in an annular shape, or may be formed in plural numbers at intervals in the circumferential direction.
Note that the present invention is not limited to the case where the first engaging protrusion 3 is formed; for example, a male threaded portion may be formed on the outer peripheral surface of the opening 2a of the container body 2 instead of the first engaging protrusion 3. .

The contents accommodated in the container body 2 are not particularly limited, but for example, fluid contents such as liquid foods and liquid seasonings can be suitably used. Furthermore, as the contents, it is also possible to use powdered contents such as salt, powdered food seasoning, and wheat flour, and granular contents such as fertilizers and herbicides.

The cap body 10 includes a capped cylindrical inner plug 20 that closes the inside of the mouth 2a of the container body 2, a seal cylinder 21 that is fitted inside the mouth 2a, and a seal cylinder 21 that closes the inside of the mouth 2a of the container body 2. A mounting tube 22 surrounding the mounting tube 22 is provided.

The inner stopper 20 is connected to the disk-shaped top wall 20a in which the spout 11 is formed and the outer periphery of the top wall 20a, and extends downward from the outer periphery. The peripheral wall portion 20b is formed into a capped cylindrical shape.
In the illustrated example, the inner stopper 20 is arranged above the opening 2a of the container body 2. However, the position of the inner stopper 20 with respect to the mouth 2a of the container body 2 is not limited to this case, and may be located inside the mouth 2a of the container body 2, for example.

An annular flange portion 23 is formed at the lower end of the peripheral wall portion 20b and extends radially outward and is disposed on the upper open end of the mouth portion 2a of the container body 2. The flange portion 23 has an upper end portion of the seal cylinder 21 and an upper end portion of the mounting cylinder 22 integrally formed therein. Thereby, the seal cylinder 21 and the mounting cylinder 22 are integrally connected to the inner plug 20 via the flange portion 23.

Note that the flange portion 23 is formed with an annular support tube 24 that projects upward and supports the lid 13 from below. Furthermore, an annular groove 22a that opens upward is formed at the upper end of the mounting tube 22. However, this annular groove 22a is not essential and may not be provided.
Further, although not shown, a structure may be provided in which the hinge cap 1 can be separated from the mouth portion 2a of the container body 2. In this case, for example, a vertically weakened portion is provided at a position near the hinge portion 12 of the mounting cylinder 22 in the hinge cap 1, and a circumferentially weakened portion is provided from the vertically weakened portion (starting point) along the bottom surface of the annular groove 22a. Formed over approximately 270° (end point). Note that the annular groove 22a is not provided at the end position of the circumferential weakened portion, and is a thick portion that cannot be broken. When sorting in such a structure, the weakened part is broken from the longitudinally weakened part (starting point) to the circumferentially weakened part (end point), and the lid body 13 is pulled up to separate the container body through the unbreakable thick part. The cap body 10 can be removed from the opening 2a of the cap 2, and the entire hinge cap 1 can be removed.

The seal cylinder 21 and the mounting cylinder 22 are fitted and fixed to the opening 2a by fitting the opening 2a into the mounting groove 25 formed between the seal cylinder 21 and the mounting cylinder 22, for example by plugging. has been done. At this time, since the seal tube 21 and the mounting tube 22 sandwich the opening 2a from the inside and outside, they are attached to the opening 2a with strong fitting force. Note that the seal tube 21 is fitted, for example, airtightly inside the mouth portion 2a of the container body 2, and appropriately seals the inside of the container body 2.

In the illustrated example, the mounting cylinder 22 is fitted with an undercut into the opening 2a of the container body 2. Specifically, a second engagement protrusion 26 that engages with a first engagement protrusion 3 formed on the outer circumference of the mouth portion 2a is provided on the inner peripheral surface of the lower end of the mounting tube 22 on the radially inner side. The second engagement protrusion 26 is undercut-fitted to the first engagement protrusion 3 .
Note that the second engagement protrusion 26 may be formed in an annular shape as long as it can be undercut-fitted to the first engagement protrusion 3, or a plurality of second engagement protrusions 26 may be formed at intervals in the circumferential direction. It doesn't matter if you stay there.

However, the method of attaching the mounting tube 22 to the mouth portion 2a of the container body 2 is not limited to undercut fitting using a stopper or the like. For example, as described above, when a male threaded portion is formed on the outer peripheral surface of the mouth portion 2a of the container body 2, a female threaded portion that is screwed into the male threaded portion is formed on the inner peripheral surface of the mounting tube 22. The attachment tube 22 may be attached to the mouth portion 2a of the container body 2 by screwing.

A pouring tube 27 that projects upward is formed at the outer peripheral edge of the top wall portion 20a of the inner stopper 20. The spout cylinder 27 communicates with the inside of the container body 2 through the spout 11. Therefore, it is possible to discharge the contents to the outside through the inside of the spout cylinder 27.
The pouring cylinder 27 is disposed coaxially with the cap axis O1, and is formed so that the inner diameter on the upper end side gradually increases upward. Therefore, it is possible to pour out the contents through the pouring tube 27.

In the illustrated example, the protruding height of the pouring tube 27 is not the same over the entire circumference, but changes along the circumferential direction. Specifically, the pouring tube 27 is formed such that the top portion 27a with the highest protrusion height is located on the front side, and the low position portion 27b with the lowest protrusion height is located on the rear side. Thereby, the pouring tube 27 is formed such that the top portion 27a and the lower portion 27b face each other in the radial direction with the cap axis O1 in between.
Since the pouring tube 27 is formed in this way, the contents can be easily poured out by tilting the container body 2 forward so that the top portion 27a faces downward. .

The lid body 13 is formed in a capped cylinder shape with a peripheral wall 30 and a top wall 31, and covers the entire top wall portion 20a and spout tube 27 of the cap body 10 from above, and also extends around the hinge portion 12. It is possible to open and close the spout 11 by rotating it.

The lower end side of the peripheral wall 30 is removably fitted into the support cylinder 24 of the cap body 10. Thereby, the lid body 13 is supported in a positioned manner by the support tube 24. The hinge portion 12 integrally connects the lower end of the peripheral wall 30 of the lid 13 and the upper end of the mounting tube 22 of the cap body 10.

The hinge portion 12 is formed at the rear portion of the peripheral wall 30 and the mounting tube 22, and is arranged so that its circumferential position is the same as the low position portion 27b of the spouting tube 27. Thereby, it becomes possible to open the lid 13 toward the opposite side in the radial direction from the top portion 27a of the pouring tube 27, that is, toward the rear side.

Note that a knob piece 32 that protrudes radially outward is formed in a front portion of the peripheral wall 30 of the lid body 13 located on the opposite side of the hinge portion 12 across the cap axis O1. By using this knob 32, it is possible to easily open and close the lid 13 around the hinge portion 12.

A closing cylinder 33 is formed on the top wall 31 of the lid 13 so as to protrude downward and to be removably fitted inside the spouting cylinder 27, coaxially with the cap axis O1. By fitting the closing cylinder 33 inside the spouting cylinder 27, it is possible to seal the inside of the spouting cylinder 27.

Further, in a portion of the top wall 31 that is located forward of the cap axis O1, a first insertion tube 34 that projects downward is formed around the cap removal axis O2. The inside of the first insertion tube 34 is a first insertion hole 35 that vertically passes through the top wall 31 .
The first insertion hole 35 is formed in a circular shape in a plan view centered on the plug removal axis O2, and is disposed above the closure plate 15. Moreover, the plug removal body 16 is inserted into the first insertion hole 35 from below.
In a plan view seen from the direction of the uncorking axis O2, the direction intersecting the uncorking axis O2 is referred to as the uncorking radial direction, and the direction rotating around the uncorking axis O2 is referred to as the uncorking circumferential direction.

A locking protrusion (first locking portion according to the present invention) 36 is formed, for example, in an annular shape on the inner circumferential surface of the lower end side of the first insertion tube 34 and projects inward in the radial direction of the plug. Note that the locking projections 36 do not need to be formed in an annular shape, and may be formed in plural numbers at intervals in the circumferential direction of the plug, for example.
The locking protrusion 36 can be locked from below to a later-described annular locking step portion (first locked portion according to the present invention) 53 formed on the plug removal shaft O2.

As shown in FIGS. 1 and 2, the closing plate 15 is disposed inside the spout 11, coaxially with the cap axis O1. The closing plate 15 is connected to the opening edge of the spout 11 via the weakened portion 14, as described above. Further, the closing plate 15 is integrally connected to the lid body 13 via a plug removal body 16, and can be removed from the spout 11 while breaking the weakened portion 14 when the lid body 13 is opened around the hinge portion 12. It is said that

The closing plate 15 is formed into a generally elliptical shape, in which the length along the front-rear direction L1 is longer than the length along the left-right direction L2, when viewed from the top in the direction of the cap axis O1.
Explain in detail.
The portion of the closing plate 15 located on the front side is set as a rupture start end 15a that is first pulled upward when the lid 13 is opened, thereby causing the weakened portion 14 to rupture first. . On the other hand, the portion of the closing plate 15 located on the rear side (hinge portion 12 side) is pulled upwards last when the lid body 13 is opened, thereby preventing the weakened portion 14 from breaking. It is set as the fracture termination end portion 15b to be terminated.

The fracture start end 15a and the fracture end end 15b are arranged along the front-rear direction L1, and are also arranged on opposite sides in the radial direction with the cap axis O1 interposed therebetween. In the illustrated example, the breakage start end 15a is formed in an arc shape that swells out in a convex manner toward the front. Further, the broken end end portion 15b is formed in an arc shape that swells convexly toward the rear. Note that the break end end portion 15b is formed in an arc shape with a larger curvature than the curvature of the break start end portion 15a.

A pair of intermediate portions 15c of the closure plate 15, which are arranged along the left-right direction L2 and located on opposite sides in the radial direction with the cap axis O1 in between, bulge outward in the left-right direction L2. It is formed in an arc shape. Therefore, the length of the closing plate 15 along the left-right direction L2 is the widest in the middle portion in the front-rear direction L1 including the pair of middle portions 15c.
The closure plate 15 has an outer shape that smoothly and continuously connects the above-mentioned breakage start end 15a, breakage end end 15b, and pair of intermediate portions 15c along the circumferential direction.

Further, a second insertion tube 40 that projects upward is formed in a portion of the closure plate 15 that is located forward of the cap axis O1, and is coaxial with the cap removal axis O2. The inside of the second insertion tube 40 is a second insertion hole 41 that vertically passes through the closure plate 15 . The plug removal body 16 is inserted into the second insertion hole 41 from below. That is, the plug removal body 16 can be continuously inserted into the first insertion hole 35 and the second insertion hole 41 from below.
The second insertion hole 41 is formed in a circular shape in plan view centered on the plug removal axis O2, and is formed to have a larger diameter than the first insertion hole 35 formed on the lid 13 side.

An annular frame wall portion 42 is formed on the lower surface of the closing plate 15 in an annular shape along the outer peripheral edge and protrudes downward.
Further, on the lower surface of the closing plate 15, a holding cylinder 43 that protrudes downward is formed coaxially with the plug removal axis O2 so as to surround the opening of the second insertion hole 41. In the illustrated example, the holding tube 43 is formed to have an inner diameter larger than the diameter of the second insertion hole 41 and the same diameter as the outer diameter of the second insertion tube 40 . Note that the front portion of the holding tube 43 functions as a part of the frame wall portion 42.

An annular seal piece 44 is formed at the lower end edge of the frame wall portion 42 so as to protrude downward. The seal piece 44 is formed over the entire circumference of the frame wall portion 42 and is formed to extend radially outward as it goes downward. Therefore, the seal piece 44 is formed to protrude diagonally downward toward the outside in the radial direction. At this time, the lower end portion of the seal piece 44 protrudes beyond the weakened portion 14 to the extent that it enters below the top wall portion 20a of the cap body 10.

The seal piece 44 configured in this manner comes into contact with the opening edge of the spout 11 from above when the lid body 13 is closed around the hinge part 12 after opening, and also contacts the opening edge of the spout 11 from above and with the upper end as a base point. It is possible to seal the opening edge of the spout 11 by elastically deforming it so as to turn it upside down (see FIG. 3).

As shown in FIG. 2, the spout 11 formed in the top wall portion 20a of the cap body 10 is formed to open in accordance with the external shape of the closing plate 15, and also has an opening corresponding to the external shape of the closing plate 15. The opening size is slightly larger than that of the opening size.
Further, the weakened portion 14 is formed in an annular shape corresponding to the outer shape of the closing plate 15, and connects the outer peripheral edge of the closing plate 15 and the opening edge of the spout 11 over the entire circumference. The weakened portion 14 is formed to be thinner than the thickness of the top wall portion 20a and the closure plate 15, so that it can be easily broken, and for example, it extends continuously with a uniform thickness over the entire circumference.

As described above, the plug removal body 16 is formed separately from the cap body 10, the lid body 13, and the closure plate 15, and is inserted downward (in the cap axis O1 direction) into the first insertion hole 35 and the second insertion hole 41. The cover body 13 and the closing plate 15 are integrally assembled by being inserted from one side of the cover body 13 and the closing plate 15.

As shown in FIGS. 1 and 2, the plug removal body 16 is formed into a multi-stage shaft shape whose outer diameter changes in the vertical direction, and is arranged coaxially with the plug removal shaft O2. The plug removal body 16 includes a first shaft portion 50 that is inserted into the first insertion hole 35 and fitted inside the first insertion hole 35, and a first shaft portion 50 that is inserted into the second insertion hole 41 and is fitted inside the first insertion hole 35. The second shaft portion 51 is fitted inside the second shaft portion 41 .

The first shaft portion 50 is formed in a solid cylindrical shape, and has an upper end fitted inside the first insertion hole 35 and a lower end located above the second insertion tube 40 . The outer diameter of the upper end portion of the first shaft portion 50 is formed to have the same diameter as the inner diameter of the first insertion hole 35 . Therefore, the outer circumferential surface of the first shaft portion 50 on the upper end side forms a first sealing surface 50a that can be tightly fitted to the inner circumferential surface of the first insertion hole 35. Therefore, the first sealing surface 50a functions as a sealing portion that seals between the first shaft portion 50 and the first insertion hole 35.

The outer diameter of the portion of the first shaft portion 50 from the portion located inside the locking protrusion 36 to the lower end portion is slightly reduced. As a result, a downwardly directed annular locking step portion 53 is formed in the first shaft portion 50 due to the difference in outer diameter. The locking protrusion 36 formed on the lid 13 side can be locked to the locking step 53 from below.

The second shaft portion 51 has an upper end connected to a lower end of the first shaft portion 50, and a lower end protrudes below the closure plate 15. The outer diameter of the second shaft portion 51 is formed to be the same diameter as the inner diameter of the second insertion hole 41 . Therefore, the outer circumferential surface of the second shaft portion 51 is a second sealing surface 51a that can be tightly fitted to the inner circumferential surface of the second insertion hole 41. Therefore, the second sealing surface 51a functions as a sealing portion that seals between the second shaft portion 51 and the second insertion hole 41.
Further, since the outer diameter of the second shaft portion 51 is formed to be the same diameter as the inner diameter of the second insertion hole 41, the second shaft portion 51 is formed to have a larger diameter than the first shaft portion 50.

An annular locking flange portion (second locking portion according to the present invention) 54 is formed at the lower end of the second shaft portion 51 and projects outward in the radial direction of the plug. The locking flange portion 54 is disposed inside the holding cylinder 43 and can be locked to the lower surface (second locked portion according to the present invention) 55 of the closing plate 15 from below.

Note that the second shaft portion 51 is formed with an opening 56 that opens downward. As a result, the second shaft portion 51 is formed into a cylindrical shape, and has a structure that allows the second sealing surface 51a to be easily pressed strongly against the inner circumferential surface of the second insertion hole 41. Therefore, the plug removal body 16 has a structure that does not easily come out from inside the second insertion hole 41, and it is possible to exhibit high sealing performance between the second shaft portion 51 and the second insertion hole 41. ing.
However, the shape of the second shaft portion 51 is not limited to this case, and may be formed into a solid cylindrical shape, for example.

The plug removal body 16 configured as described above is made of a harder material than the cap body 10, the lid body 13, and the closure plate 15. For example, if the cap body 10, lid body 13, and closure plate 15 are made of low-density polyethylene such as LLDPE or LDPE, the plug body 16 may be made of polyethylene terephthalate (PET), polyacetal (POM), polypropylene (PP), etc. It is possible to form it with resin materials such as. However, the material of the plug removal body 16 is not limited to this case, and other resin materials or the like may be used.

(Effect of hinge cap)
The function of the hinge cap 1 configured as described above will be explained.
When unopened, such as during product transportation or product distribution, as shown in FIG. 1, a closing plate 15 connected to the opening edge of the spout 11 via the weakened portion 14 closes the spout 11. . Further, the space between the first shaft portion 50 and the first insertion hole 35 in the plug removal body 16 is sealed by the first sealing surface 50a, and the space between the second shaft portion 51 and the second insertion hole 41 in the plug removal body 16 is sealed. 2 sealing surface 51a. Thereby, the plug removal body 16 can be sealed at two locations, upper and lower.

From the above, it is possible to seal between the inside and the outside of the container body 2 with a high degree of airtightness, to appropriately prevent leakage of contents to the outside, and to prevent leakage of contents from the outside into the container body 2. Infiltration of outside air, moisture, etc. can be suppressed.

Next, when dispensing the contents, the lid 13 is opened around the hinge portion 12 using the knob 32 or the like. At this time, since the top wall 31 of the lid 13 and the closure plate 15 are integrally connected via the plug removal body 16, the closure plate 15 can be rotated around the hinge portion 12 together with the lid 13.
As a result, an external force can be applied to the closing plate 15 in conjunction with the opening operation of the lid body 13, and the closing plate 15 can be pulled upward while breaking the weakened portion 14, and gradually separated from the spout 11. .

Specifically, when the lid body 13 is opened around the hinge part 12, a breakage start end 15a of the closure plate 15 located on the opposite side of the hinge part 12 in the radial direction across the cap axis O1 is Since the external force can be first transmitted through the opening, the closing plate 15 can be pulled up from the fracture starting end 15a side. Therefore, the weakened portion 14 located on the rupture start end 15a side can be ruptured first, and as the lid body 13 is subsequently opened and the closing plate 15 is pulled up, the weakened portion 14 is directed toward the rupture end end 15b side. This allows the weakened portion 14 to gradually break.
As a result, the spout 11 can be opened when the opening operation of the lid 13 is completed. In this way, the opening operation of the spout 11 can be performed at the same time as the opening operation of the lid body 13, so that the operability at the time of opening can be improved.

In particular, the plug removal body 16 has a first shaft portion 50 that is fitted inside the first insertion hole 35 and a second shaft portion 51 that is fitted inside the second insertion hole 41. They fit into the closing plates 15 separately. Therefore, it is possible to firmly connect the lid body 13 and the closing plate 15 via the plug removal body 16, and even if the opening torque of the lid body 13 is high, the first insertion hole 35 and the second External force can be reliably transmitted to the closing plate 15 through the plug removal body 16 without causing any inconvenience such as the removal of the plug removal body 16 from the inside of the insertion hole 41. Therefore, it is possible to stably open the package.

Furthermore, as the lid body 13 is opened, the locking protrusion 36 can be locked to the locking step 53 from below, so the plug removal body 16 can be moved upward. . As the plug removal body 16 is pulled up, the locking flange portion 54 can be locked from below to the lower surface 55 of the closing plate 15, so that external force can be reliably transmitted to the closing plate 15. can.
Therefore, with the opening operation of the lid body 13, the closing plate 15 can be pulled up stably while breaking the weakened portion 14, and the operability at the time of opening can be further improved.

Note that after opening, the top portion 27a of the spout tube 27 can be directed downward by tilting the container body 2 forward. Thereby, the contents inside the container body 2 can be poured out from the top part 27a of the pouring cylinder 27.

Moreover, by closing the lid body 13 around the hinge portion 12 after pouring out the contents, the pouring tube 27 can be properly sealed using the closing tube 33. In addition, as shown in FIG. 3, the seal piece 44 can be elastically deformed so as to be turned upside down, and the lid body 13 is closed while sealing the opening edge of the spout 11 using the seal piece 44. Can be closed.
As a result, the container body 2 can be stored with the inside of the container body 2 properly sealed, and the top wall 31 of the lid body 13, the closure plate 15 of the cap body 10, the closure tube 33, and the plug removal body 16 can be stored. It is possible to prevent the contents from entering the space surrounded by the space, thereby preventing dirt.

As explained above, according to the hinge cap 1 of this embodiment, the operability at the time of opening can be improved.
Furthermore, since the plug body 16 is made of a harder material than the lid body 13 and the closure plate 15, the plug body 16 is not easily deformed when the lid body 13 is rotated around the hinge portion 12. can. Therefore, the lid body 13 and the closure plate 15 can be connected more stably through the plug removal body 16, and external force can be stably transmitted to the closure plate 15 via the closure body 16. Therefore, the operability when opening the package can be further improved.

Furthermore, when manufacturing the hinge cap 1, the plug removal body 16 can be set by simply inserting it into the first insertion hole 35 and the second insertion hole 41 from below. Therefore, the plug removal body 16 can be set easily, and the hinge cap 1 can be manufactured efficiently.
In particular, since the first shaft portion 50 is formed to have a smaller diameter than the second shaft portion 51, when the plug removal body 16 is inserted into the first insertion hole 35 and the second insertion hole 41 from below, the second shaft portion 50 is The insertion operation can be performed so that the first shaft portion 50 easily passes through the insertion hole 41. Therefore, the ease of setting the plug removal body 16 can be improved.

(Second embodiment)
Next, a second embodiment of the hinge cap according to the present invention will be described with reference to the drawings. In addition, in this 2nd embodiment, the same code|symbol is attached|subjected about the same component as a 1st embodiment, and the description is abbreviate|omitted.
In the first embodiment, the plug removal body 16 was configured to be insertable from below into the first insertion hole 35 and the second insertion hole 41, but in this embodiment, the plug removal body 16 was configured to be insertable into the first insertion hole 35 and the second insertion hole 41. The plug is configured such that the plug can be inserted from above.

As shown in FIG. 4, the hinge cap 60 of this embodiment has a locking recess 61 on the upper surface of the top wall 31 of the lid body 13, which has a circular shape in plan view and has a larger diameter than the first insertion hole 35. It is formed coaxially with O2. Thereby, the locking recess 61 is connected to the first insertion hole 35 . Further, the bottom surface of the locking recess 61 is an annular locking surface (first locking portion according to the present invention) 62 facing upward.

Further, on the inner peripheral surface of the upper end side of the second insertion tube 40, a locking protrusion (second locked portion according to the present invention) 65 that projects inward in the radial direction of the plug is formed, for example, in an annular shape. ing. Note that the locking projections 65 do not need to be formed in an annular shape, and may be formed in plural numbers at intervals in the circumferential direction of the plug, for example.

The plug removal body 66 of this embodiment is formed into a multistage shaft shape whose outer diameter changes in the vertical direction, and is arranged coaxially with the plug removal shaft O2. The plug removal body 66 includes a first shaft portion 70 that is inserted into the first insertion hole 35 and fitted inside the first insertion hole 35, and a first shaft portion 70 that is inserted into the second insertion hole 41 and is fitted inside the first insertion hole 35. 41, and a second shaft portion 71 that is fitted inside the shaft portion 41.

The first shaft portion 70 has an outer diameter equal to the inner diameter of the first insertion hole 35 . Therefore, the outer circumferential surface of the first shaft portion 70 is a first sealing surface 70a that can be tightly fitted to the inner circumferential surface of the first insertion hole 35. Therefore, the first sealing surface 70a functions as a sealing portion that seals between the first shaft portion 70 and the first insertion hole 35.

An annular locking flange portion (first locked portion according to the present invention) 72 is formed at the upper end portion of the first shaft portion 70 and projects outward in the radial direction of the plug. The locking flange portion 72 is disposed within the locking recess 61 and is locked to the locking surface 62 from above. Therefore, the locking surface 62 can be locked to the locking flange portion 72 from below.

Note that the first shaft portion 70 is formed with an opening 73 that opens upward. As a result, the first shaft portion 70 is formed into a cylindrical shape, and has a structure that allows the first sealing surface 70a to be easily pressed strongly against the inner circumferential surface of the first insertion hole 35. Therefore, the plug removal body 66 has a structure that does not easily come out from inside the first insertion hole 35, and it is possible to exhibit high sealing performance between the first shaft portion 70 and the first insertion hole 35. ing.
However, the shape of the first shaft portion 70 is not limited to this case, and may be formed into a solid cylindrical shape, for example.

The second shaft portion 71 is formed in a solid cylindrical shape extending along the plug removal axis O2, the upper end side is connected to the lower end portion of the first shaft portion 70, and the lower end side is inside the second insertion hole 41. is mated to. The outer diameter of the lower end portion of the second shaft portion 71 is formed to have the same diameter as the inner diameter of the second insertion hole 41 . Therefore, the outer circumferential surface of the second shaft portion 71 on the lower end side forms a second sealing surface 71 a that can be tightly fitted to the inner circumferential surface of the second insertion hole 41 . Therefore, the second sealing surface 71a functions as a sealing portion that seals between the second shaft portion 71 and the second insertion hole 41.

The outer diameter of the portion of the second shaft portion 71 from the portion located inside the locking protrusion 65 to the upper end portion is slightly reduced. As a result, the second shaft portion 71 is formed with an annular locking step portion (second locking portion according to the present invention) 75 that faces upward due to the difference in outer diameter. Therefore, the locking step portion 75 can be locked from below to the locking protrusion 65 formed on the lid 13 side.
Note that the outer diameter of the second shaft portion 71 is smaller than that of the first shaft portion 70.

(Effect of hinge cap)
Even with the hinge cap 60 of this embodiment configured as described above, it is possible to achieve the same effects as in the first embodiment.
For example, as the lid body 13 is opened, the locking surface 62 of the locking recess 61 can be locked to the locking flange 72 from below, so the plug removal body 66 can be moved upward. can be done. As the plug removal body 66 is pulled up, the locking step portion 75 can be locked to the locking protrusion 65 from below, so that external force can be reliably transmitted to the closing plate 15.
Therefore, with the opening operation of the lid body 13, the closing plate 15 can be pulled up stably while breaking the weakened portion 14, and the operability at the time of opening can be further improved.

Furthermore, even in the case of this embodiment, by closing the lid body 13 around the hinge portion 12 after pouring out the contents, the sealing of the pouring tube 27 is properly performed using the closing tube 33. In addition, by elastically deforming the sealing piece 44 so as to turn it upside down, the lid 13 can be closed while sealing the opening edge of the spout 11.
As a result, the container body 2 can be stored with the inside of the container body 2 properly sealed, and the top wall 31 of the lid body 13, the closure plate 15 of the cap body 10, the closure tube 33, and the plug removal body 66 can be stored. It is possible to prevent the contents from entering the space surrounded by the space, thereby preventing dirt.

Furthermore, similarly to the first embodiment, when manufacturing the hinge cap 60, the plug removal body 66 can be set by simply inserting it into the first insertion hole 35 and the second insertion hole 41 from above. . Therefore, although the inserting direction of the plug removal body 66 is different from that of the first embodiment, the setting property of the plug removal body 66 is still excellent, and the hinge cap 60 can be manufactured efficiently.
Moreover, since the second shaft portion 71 is formed to have a smaller diameter than the first shaft portion 70, when the plug removal body 66 is inserted into the first insertion hole 35 and the second insertion hole 41 from above, the first The insertion operation can be performed so that the second shaft portion 71 easily passes through the insertion hole 35. Therefore, the ease of setting the plug removal body 66 can be improved.

(Third embodiment)
Next, a third embodiment of the hinge cap according to the present invention will be described with reference to the drawings. In addition, in this 3rd embodiment, the same code|symbol is attached|subjected about the same component as a 1st embodiment, and the description is abbreviate|omitted.
In the first embodiment, when the stopper 16 is set in the first insertion hole 35 and the second insertion hole 41 from below, the locking protrusion 36 on the lid 13 side is connected to the locking step on the stopper 16 side. 53 from below, but in this embodiment, the locking protrusion 36 engages with the locking step when the plug puller 16 is set in the first insertion hole 35 and the second insertion hole 41. 53 and is in a non-locked state with respect to the locking step portion 53.

As shown in FIG. 5, the hinge cap 80 of this embodiment is formed so that the first insertion tube 34 of the lid body 13 extends further downward than that of the first embodiment. As a result, the locking protrusion 36 formed at the lower end of the first insertion tube 34 is arranged below the locking step 53 with a space between the locking projection 36 and the locking step 53 of the plug removal body 16. has been done.
Therefore, as shown in FIG. 6, when the lid body 13 is rotated by a predetermined angle around the hinge portion 12, that is, when the locking protrusion 36 is rotated by an angle corresponding to the above-mentioned interval, the locking step 36 53 from below.

Furthermore, as shown in FIG. 5, the first shaft portion 50 of the plug removal body 16 has an auxiliary locking projection (in accordance with the present invention) that protrudes outward in the plug removal radial direction from a portion located below the locking step portion 53. The auxiliary locking portion) 81 is formed, for example, in an annular shape. Note that the auxiliary locking projections 81 do not need to be formed in an annular shape, and may be formed in plural numbers at intervals in the circumferential direction of the plug, for example.

The auxiliary locking protrusion 81 is located between the locking step 53 and the locking projection 36 when the plug removal body 16 is set, and as shown in FIG. It is formed at a position where it can be locked from below to the locking protrusion 36 when it is locked to the locking protrusion 53 from below.

Furthermore, the plug removal body 16 of this embodiment maintains the sealing performance between the first shaft portion 50 and the first insertion hole 35 and the sealing performance between the second shaft portion 51 and the second insertion hole 41. , are inserted into the first insertion hole 35 and the second insertion hole 41 so as to be relatively movable in the vertical direction.

Furthermore, as shown in FIG. 5, the second insertion tube 40 of the present embodiment extends upwards compared to the first embodiment, and the upper end portion contacts the lower edge of the first insertion tube 34 from below. are doing. As a result, when manufacturing the hinge cap 80, when inserting and setting the plug removal body 16 into the first insertion hole 35 and the second insertion hole 41 from below, the top wall 31 of the lid body 13 and the closing plate 15 are removed. Since they can be positioned relative to each other in the vertical direction, displacement of the top wall 31 and the closing plate 15 in the vertical direction can be suppressed. Therefore, it is possible to set the plug remover 16 while suppressing the load acting on the top wall 31 and the closing plate 15.

Further, a reinforcing rib 82 is integrally formed in a rearward portion of the second insertion tube 40 . The reinforcing rib 82 has a lower end formed integrally with the upper surface of the closing plate 15 . In the illustrated example, the reinforcing rib 82 is formed in a triangular shape in side view, with the rear edge slanting forward from the lower end toward the upper end.

(Effect of hinge cap)
Even with the hinge cap 80 of this embodiment configured as described above, it is possible to achieve the same effects as in the first embodiment.
Particularly in the case of this embodiment, when the lid 13 is opened, the locking protrusion 36 is moved downward relative to the locking step 53 when the lid 13 is rotated by a predetermined angle, as shown in FIG. It can be locked from Therefore, the first shaft portion 50 of the plug removal body 16 can be relatively moved downward within the first insertion hole 35 until the locking projection 36 locks with the locking step portion 53. As a result, the upper end surface of the first shaft portion 50 is moved downward from the upper surface of the top wall 31 of the lid body 13.

After the locking protrusion 36 is locked to the locking step 53, by further opening the lid 13, the state in which the first shaft portion 50 is moved downward within the first insertion hole 35 is maintained. At the same time, the plug removal body 16 can be moved upwardly. Thereby, it is possible to open the seal by pulling up the closing plate 15 while breaking the weakened portion 14.

In particular, since the reinforcing ribs 82 are formed on the second insertion tube 40, the second insertion tube 40 can be made difficult to deform. Therefore, by opening the lid 13, stress can be easily concentrated on the rupture starting end 15a side of the closing plate 15, and the weakened portion 14 located on the rupture starting end 15a side can be reliably ruptured first. becomes possible.

Further, after the locking protrusion 36 is locked to the locking step portion 53, the auxiliary locking protrusion 81 locks to the locking protrusion 36 from below. Thereby, the auxiliary locking protrusion 81 can be locked to the lid 13 from below, and the first shaft portion 50 can be maintained in a state of being moved downward within the first insertion hole 35. Therefore, as shown in FIG. 7, even when the lid 13 is closed, the state of the plug removal body 16 relative to the lid 13, that is, the state in which the first shaft portion 50 is moving downward within the first insertion hole 35, can be visually confirmed. By doing so, it is possible to determine whether or not the package has been opened.
In this way, it is possible to easily and reliably determine whether the seal has been opened or not by simply visually checking the positional relationship of the capper 16 with respect to the lid 13, thereby improving ease of use.

Note that when the lid 13 is closed after opening, the seal piece 44 comes into contact with the opening edge of the spout 11 from above and is elastically deformed so as to be turned upside down and closes against the opening edge of the spout 11. Seal the parts. Therefore, the closing plate 15 is restricted from moving below the spout 11.
On the other hand, as described above, the plug removal body 16 itself is moved downward within the first insertion hole 35 and combined with the lid body 13, so that the position of the closure plate 15 is changed as shown in FIG. After being regulated at the position of the spout 11, the plug removal body 16 can be moved downward within the second insertion hole 41 as the lid body 13 is further closed. Thereby, it becomes possible to appropriately close the lid body 13 with respect to the cap body 10.

Therefore, even in the case of the present embodiment, it is possible to properly seal the spout tube 27 using the closing tube 33, and also seal the opening edge of the spout 11 using the seal piece 44. The lid body 13 can be closed while doing so. As a result, the container body 2 can be stored with the inside of the container body 2 properly sealed, and the top wall 31 of the lid body 13, the closure plate 15 of the cap body 10, the closure tube 33, the first insertion It is possible to prevent the contents from entering the space surrounded by the tube 34 and the second insertion tube 40, thereby preventing the contents from getting dirty.

(Fourth embodiment)
Next, a fourth embodiment of the hinge cap according to the present invention will be described with reference to the drawings. In addition, in this 4th embodiment, the same code|symbol is attached|subjected about the same component as a 2nd embodiment, and the description is abbreviate|omitted.
In the second embodiment, when the plug body 66 is set in the first insertion hole 35 and the second insertion hole 41 from above, the locking surface 62 on the lid body 13 side is connected to the locking flange portion on the plug body 66 side. 72 from below, but in this embodiment, when the plug removal body 66 is set in the first insertion hole 35 and the second insertion hole 41, the locking surface 62 is locked to the locking flange portion. It is located below the locking flange portion 72 and is not locked to the locking flange portion 72 .

As shown in FIG. 8, the hinge cap 90 of this embodiment is formed on the upper surface of the top wall 31 so that an accommodation recess 91 recessed downward from the top wall 31 communicates with the locking recess 61. Therefore, the inside of the accommodation recess 91 communicates with the inside of the first insertion hole 35.
Note that the accommodation recess 91 is formed to extend at least along the front-rear direction L1, and is also formed to have approximately the same depth as the locking recess 61.

In the plug removal body 66 of this embodiment, the first shaft portion 70 is formed in a solid cylindrical shape. Further, at the upper end of the first shaft portion 70, an unsealing plate 92 is integrally formed with the locking flange portion 72. The opening plate 92 is formed to extend along the top wall 31 and is disposed within the accommodation recess 91 . At this time, the locking flange portion 72 and the unsealing plate 92 are arranged flush with the upper surface of the top wall 31 of the lid body 13.

The depths of the accommodating recess 91 and the locking recess 61 are formed such that a gap is secured between the locking flange 72 and the unsealing plate 92. As a result, the locking surface 62 in the locking recess 61 is arranged below the locking flange 72 with a space between the locking surface 62 and the locking flange 72 .
Therefore, as shown in FIG. 9, when the lid body 13 is rotated by a predetermined angle around the hinge portion 12, that is, when it is rotated by an angle corresponding to the above-mentioned interval, the locking surface 62 is attached to the locking flange portion. 72 from below.

Furthermore, as shown in FIG. 8, the first shaft portion 70 of the plug body 66 has an auxiliary locking protrusion (in accordance with the present invention) that protrudes outward in the plug puller radial direction from a portion located below the locking surface 62. The auxiliary locking portion) 93 is formed, for example, in an annular shape.
Note that the auxiliary locking projections 93 do not need to be formed in an annular shape, and may be formed in plural numbers at intervals in the circumferential direction of the plug, for example.

The auxiliary locking protrusion 93 is located below the locking surface 62 when the plug removal body 66 is set, and as shown in FIG. It is formed at a position where it can be locked from below to the lower end edge of the first insertion tube 34 when locked.

Furthermore, the plug removal body 66 of this embodiment maintains the sealing performance between the first shaft portion 70 and the first insertion hole 35 and the sealing performance between the second shaft portion 71 and the second insertion hole 41. , are inserted into the first insertion hole 35 and the second insertion hole 41 so as to be relatively movable in the vertical direction.

(Effect of hinge cap)
Even with the hinge cap 90 of this embodiment configured as described above, it is possible to achieve the same effects as in the second embodiment.
In particular, in the case of this embodiment, when the lid 13 is opened, the locking surface 62 is moved downward relative to the locking flange portion 72 when the lid 13 is rotated by a predetermined angle, as shown in FIG. It can be locked from Therefore, the first shaft portion 70 of the plug removal body 66 can be relatively moved downward within the first insertion hole 35 until the locking surface 62 locks with the locking flange portion 72. , the unsealing plate 92 can be moved relatively downward within the accommodation recess 91. Thereby, the upper surface of the unsealing plate 92 can be shifted to a state lower than the upper surface of the top wall 31 of the lid body 13 by one step.

After the locking surface 62 is locked to the locking flange portion 72, by further opening the lid 13, the plug removal body 66 is moved upward while maintaining the unsealing plate 92 in a lowered state. can be done. Thereby, it is possible to open the seal by pulling up the closing plate 15 while breaking the weakened portion 14.

Furthermore, after the locking surface 62 locks with the locking flange portion 72, the auxiliary locking protrusion 93 locks with the first insertion tube 34 from below. Thereby, the auxiliary locking protrusion 93 can be locked to the lid 13 from below, and the unsealing plate 92 can be maintained in a state of being moved downward within the housing recess 91. Therefore, as shown in FIG. 10, even if the lid 13 is closed, by visually checking the state of the opening plate 92 relative to the accommodation recess 91, it is possible to determine whether or not the opening has been performed. In particular, since the visible area of the unsealing plate 92 can be increased, it is easy to clearly see the state of the unsealing plate 92 before and after opening, and it is possible to easily and reliably determine whether the unsealing plate 92 has been opened or not.

Note that when the lid 13 is closed after opening, the sealing piece 44 seals the opening edge of the spout 11, as in the third embodiment, so that the closing plate 15 is positioned below the spout 11. Movement is regulated. Therefore, after the position of the closing plate 15 is regulated at the position of the spout 11, the plug removal body 66 can be moved downward within the second insertion hole 41 as the lid body 13 is further closed. Thereby, it becomes possible to appropriately close the lid body 13 with respect to the cap body 10.

Therefore, even in the case of the present embodiment, it is possible to properly seal the spout tube 27 using the closing tube 33, and also seal the opening edge of the spout 11 using the seal piece 44. The lid body 13 can be closed while doing so. As a result, the container body 2 can be stored with the inside of the container body 2 properly sealed, and the top wall 31 of the lid body 13, the closure plate 15 of the cap body 10, the closure tube 33, and the plug removal body 66 can be stored. It is possible to prevent the contents from entering the space surrounded by the space, thereby preventing dirt.

In addition, in this embodiment, the lower end part of the 1st insertion cylinder 34 and the upper end part of the 2nd insertion cylinder 40 may be comprised so that it may contact, similarly to 3rd Embodiment. Thereby, when inserting and setting the plug removal body 66 into the first insertion hole 35 and the second insertion hole 41 from above, it is possible to suppress the top wall 31 and the closing plate 15 from displacing in the vertical direction. It is possible to set the plug remover 66 while suppressing the load acting on the top wall 31 and the closing plate 15.

Although the embodiments of the present invention have been described above, these embodiments are presented as examples and are not intended to limit the scope of the invention. The embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the gist of the invention. The embodiments and their modifications include, for example, those that can be easily imagined by those skilled in the art, those that are substantially the same, and those that are equivalent.

For example, in each of the embodiments described above, the cap body includes a spouting tube, but the spouting tube is not essential and may not be provided. Further, in each of the above embodiments, the weakened portion is formed with a uniform thickness over the entire circumference, but the weakened portion is not limited to this case, and for example, the thickness may be varied.

Furthermore, in each of the above embodiments, the structure is such that a seal is formed between the first shaft portion and the first insertion hole, and between the second shaft portion and the second insertion hole, but the structure is not limited to this case. Instead, either one of them may be sealed.
Regarding the seal, although the first seal surface, which is the outer peripheral surface of the first shaft part, and the second seal surface, which is the outer peripheral surface of the second shaft part, function as seal parts, the present invention is not limited to this case. For example, a labyrinth structure or other seal structure may be used.

Further, in the third embodiment, the reinforcing rib 82 is integrally formed on the second insertion tube 40, and the second insertion tube 40 and the closing plate 15 are integrally formed via the reinforcing rib 82, but in the first embodiment Also in the second embodiment and the fourth embodiment, reinforcing ribs may be provided that play the same role as the reinforcing ribs 82. By doing so, in each of these embodiments, stress can be easily concentrated on the fracture starting end 15a side of the closing plate 15, and the weakened portion 14 located on the fracture starting end 15a side is first It becomes possible to break it reliably.

O1... Cap shaft 1, 60, 80, 90... Hinge cap 2... Container main body 2a... Mouth part of container main body 10... Cap main body 11... Spout 12... Hinge part 13... Lid body 14... Weakening part 15... Closure plate 31 ... Top wall of the lid body 35 ... First insertion hole 36 ... Locking projection (first locking part)
41...Second insertion hole 44...Seal piece 50, 70...First shaft part 50a, 70a...First seal surface (seal part)
51, 71...Second shaft part 51a, 71a...Second seal surface (seal part)
53...Locking stepped portion (first locked portion)
55... Lower surface of the closing plate (second locked part)
54...Locking flange part (second locking part)
81, 93...Auxiliary locking protrusion (auxiliary locking part)
91... Accommodating recess 92... Opening plate 62... Locking surface (first locking part)
65...Latching protrusion (second locked part)
72...Locking flange part (first locked part)
75...Locking step part (second locking part)

Claims (7)

a cap body that is attached to the mouth of a container body in which the contents are stored and is formed with a spout for pouring out the contents;
a lid body rotatably connected to the cap body around a hinge portion and covering the spout in an openable and closable manner;
a closing plate that closes the spout by being connected to the opening edge of the spout via a breakable weakened part;
comprising a plug body that integrally connects the lid body and the closure plate,
A first insertion hole is formed in the top wall of the lid, the first insertion hole passing through the top wall in the axial direction of the cap and into which the plug removal body is inserted from one side in the axial direction of the cap;
A second insertion hole is formed in the closure plate, passing through the closure plate in the axial direction of the cap, and into which the plug removal body is inserted from one side in the axial direction of the cap,
The plug removal body includes a first shaft part fitted inside the first insertion hole, and a second shaft part fitted inside the second insertion hole,
A sealing portion is provided between at least one of the first insertion hole and the first shaft portion and between the second insertion hole and the second shaft portion. Hinge cap. The hinge cap according to claim 1,
The outer circumferential surface of the first shaft portion can be tightly fitted to the inner circumferential surface of the first insertion hole, and serves as a first sealing surface that functions as the sealing portion,
In the hinge cap, the outer circumferential surface of the second shaft portion can be tightly fitted to the inner circumferential surface of the second insertion hole, and serves as a second sealing surface that functions as the sealing portion. The hinge cap according to claim 1 or 2,
The lid body is configured such that it can be locked from below to a first locked portion formed on the plug removal body when the lid body is opened around the hinge portion, and the lid removal body can be locked from below to a first locked portion formed on the plug removal body. A first locking portion is formed to pull up the
A second locking portion is formed on the plug removal body, and is capable of locking from below to a second locked portion formed on the closing plate as the plug removal body is pulled upward. A hinged cap characterized by: The hinge cap according to claim 3,
The first locking part is arranged below the first locking part with a space between the first locking part and the first locking part, and the lid body is arranged at a predetermined angle around the hinge part. When rotated, the first locked portion is locked from below;
The plug removal body is formed with an auxiliary locking portion that locks the lid body from below when the first locking portion locks the first locked portion. hinge cap. The hinge cap according to claim 4,
A housing recess is formed in the lid body and is recessed downward from the upper surface of the top wall and communicates with the first insertion hole,
An opening plate disposed in the accommodation recess is connected to the first shaft portion, and
The unsealing plate is arranged to be flush with the upper surface of the top wall, and is arranged below the upper surface of the top wall when the lid rotates at a predetermined angle around the hinge portion. located, hinge cap. The hinge cap according to any one of claims 1 to 5,
The closing plate is provided with an annular sealing piece that seals an opening edge of the spout when the lid around the hinge is closed after the weakened portion is broken. cap. The hinge cap according to any one of claims 1 to 6,
In the hinge cap, the plug removal body is made of a harder material than the lid body and the closure plate.

Images