JP2020083464A - Pull-out-plug cap - Google Patents

Abstract

To provide a pull-out-plug cap in which a screw cap can be capped on an inner plug without necessity to be screwed and tightened when mounting the screw cap on the inner plug.SOLUTION: The pull-out-plug cap includes an inner plug and a screw cap mounted on the inner plug by screwing, in which the inner plug has: a pouring tube for guiding contents; a plug body connected to an inner peripheral surface of the pouring tube through a thin-wall weakened portion, provided with a first engaging protrusion on an inner periphery, and provided with a cylindrical wall having an external teeth on an outer periphery and being erected; and a first multi-threaded screw portion provided on an outside of the pouring tube, and the screw cap has: an engaging portion hung from a center of a top wall and provided with a second engaging protrusion capable of being engaged with the first engaging protrusion on an outer periphery; a cut tube portion hung from an outside of the engaging portion and provided with an internal teeth capable of being meshed with an external teeth on an inner periphery; and a second multi-threaded screw portion provided on an outside of the cut tube portion capable of being meshed with the first multi-threaded screw portion, and the first multi-threaded screw portion and the second multi-threaded screw portion can be capped when the screw cap is mounted on the inner plug.SELECTED DRAWING: Figure 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stopper cap including an inner stopper having a removable stopper body, and more particularly to a stopper cap that can be opened by rotating a screw cap in a screw-out direction.

As a food container for storing contents such as dressing, the inside of the container body is sealed with an inner stopper that has a stopper that can be removed until opening, and the screw cap that is screwed onto the inner stopper is screwed out. BACKGROUND ART An unplugging cap capable of opening a plug body of an inner plug by rotating is conventionally known (for example, refer to Patent Document 1).

JP, 2005-163525, A

However, the stopper cap described in Patent Document 1 can be easily opened just by rotating the screw cap in the screw unscrew direction as in a normal lid opening operation. When tightening the screw cap by screwing it between the plug body that is connected to the surface via the thin-walled weakening part and the cutting tube part of the screw cap, allow rotation of the cap and unscrew it to open. It is necessary to dispose a ratchet mechanism that engages only when it is performed, and there is a problem that the structure of the opening mechanism becomes complicated.

An object of the present invention is to solve the above-mentioned problems, and a cap that is mounted on a container body and has a removable cap, and a cap with a screw cap that is mounted by screwing on the cap, When attaching the screw cap to the inner stopper, it is not necessary to screw it in and tighten it. After attaching the screw cap to the inner stopper, simply open the screw cap by rotating it in the screw unscrew direction. An object is to provide a cap that can be removed.

MEANS TO SOLVE THE PROBLEM This invention is equipped with the inner stopper attached to the opening part of a container main body, and the screw cap screwed and attached to an inner stopper as an unplugging cap in order to solve the said subject, The inner stopper is a content. A pouring tube that guides an object and a tubular wall that is connected to the inner peripheral surface of the pouring tube through a thin-walled weakened portion, has a first engaging protrusion on the inner circumference, and external teeth on the outer circumference. The screw cap has an upright plug body and a first multi-threaded portion provided on the outer side of the pouring tube, and the screw cap is hung from the center of the top wall and engages with the first engaging protrusion on the outer periphery. Of the engaging tubular portion formed with the engageable second engaging protrusion, the cutting tubular portion having an internal tooth hanging from the outside of the engaging portion and capable of meshing with the external tooth, and the cutting tubular portion. It is provided on the outside and has a second multi-threaded screw part that can be screwed into the first multi-threaded screw part, and the first multi-threaded screw part and the second multi-threaded screw part attach the screw cap to the inner plug. It employs a configuration that allows plugging at times.

As an embodiment of the cap, the plug body is formed such that the external teeth are lower than the height of the cylindrical wall, and the cutting cylinder portion has a sealing cylinder whose outer periphery is in close contact with the inner peripheral surface of the dispensing cylinder. The internal teeth are formed to be lower than the height of the sealing cylinder, and the external teeth are formed in a substantially radial direction, and the first engaging surfaces on both side surfaces that mesh with the internal teeth are adopted. And a guide engagement surface formed on an upper surface orthogonal to the first engagement surface, the inner teeth are formed in a substantially radial direction, and the second teeth on both side surfaces meshing with the first engagement surface of the outer teeth. Adopting a configuration characterized in that it has an engagement surface and a tip engagement surface that is formed on a lower surface orthogonal to the second engagement surface and abuts on the guide engagement surface of the external teeth when set, the external teeth are , Having wide outer teeth with a wide arc angle and narrow outer teeth with a narrower arc angle than the wide outer teeth, and the inner teeth have wider inner teeth with wider arc angles and narrower arc angles than the wider inner teeth A configuration characterized by having narrow inner teeth is adopted.

As a specific embodiment of the stopper cap, the inner stopper is a fitting tubular portion into which the mouth portion of the container body is fitted, and a threaded wall portion which is erected from the fitting tubular portion and in which the first multiple threaded portion is screwed. And a top wall that is continuously connected inward from the upper end of the screw wall portion and has a spout cylinder formed, and the screw cap is hung from the outer peripheral edge of the top wall. The configuration is characterized in that it has an outer peripheral wall that is provided and a threaded tubular portion that is hung from the outside of the cutting tubular portion of the top wall and that has a second multi-threaded threaded portion that is screwed.

By adopting the above configuration, the cap of the present invention can be mounted on the inner cap by tapping when the screw cap is set on the inner cap, so that the ratchet can be installed like a conventional cap. It is possible to complete the set of the screw cap and the inner stopper with one touch without the need for a mechanism, and to rotate the screw cap in the screw release direction like a normal lid opening operation without performing a difficult operation. It can be easily opened just by.

It is a figure which shows the state after setting the cap and the inner stopper in Example 1 of the stopper cap, (a) is a front sectional view, (b) is a sectional arrow view in the XX line of (a). .. It is a figure which shows the state after setting the cap and the inner stopper in Example 1 of the stopper cap, (a) is a principal part enlarged view of FIG. 1(a), (b) is a screw expansion view corresponding to FIG. Is. It is a figure which shows the inside stopper in Example 1 of a stopper cap, (a) is a top view and (b) is a front view. It is a figure which shows the inside plug of Example 1 of a stopper cap, (a) is a front sectional view, (b) is a sectional arrow line view in the YY line of (a). It is a figure which shows the screw cap in Example 1 of a stopper cap, (a) is front sectional drawing, (b) is a bottom view. It is a screw development view showing a female screw of a screw cap and a male screw of an inside plug in Example 1 of an unplugging cap. It is a figure which shows the state just before setting of the screw cap and the inside stopper of Example 1 of an unplugging cap, (a) is a front sectional view, (b) is a screw development figure corresponding to (a). It is a figure which shows the state after setting the cap and the inside stopper in Example 2 of the stopper cap, (a) is a cross-sectional arrow view in the XX stopper of FIG. 1(a), (b) is (a). FIG.

Next, the stopper cap of the present invention will be described with reference to the drawings showing examples.

In FIG. 1, A is a container body, B is an inner plug attached to the container body A, and C is a screw cap that is set by plugging the inner plug B.

As shown in FIG. 1, the mouth portion 1 of the container main body A is provided with a locking ridge 2 which is fitted into the inner stopper B to hold and retain the stopper.
As shown in FIGS. 2 to 4, the inner plug B is composed of an outer cylinder 5 on the outer peripheral side, an inner cylinder 6 on the inner peripheral side, and an upper wall 7 located on the top surface side of the mouth portion 1. The fitting cylindrical portion 4 forming an annular groove to be fitted, the screw wall portion 8 which is provided upright on the upper wall 7, and the screw wall portion 8 which is continuously provided on the upper end of the screw wall portion 8 via the ceiling wall 9. It is composed of a delivery cylinder 10.

The spout cylinder 10 forms a spout for pouring out the contents contained in the container body A, and has a cylindrical base portion 11 and a lip portion 12 that is expanded above the base portion 11 and curved outward. Have.
A plug 15 is integrally connected to the inner peripheral surface of the base 11 of the spout barrel 10 via a thin weakened portion 14 formed over the entire circumference.
A cylindrical wall 16 having a cylindrical shape is provided upright on the upper portion of the plug body 15, and a bottom wall 17 of the lower portion together with the thin-walled weakened portion 14 closes the spout.

Outer teeth 18 are provided on the outer periphery of the tubular wall 16 at six circumferential positions, and first engagement protrusions 19 are annularly provided on the upper portion of the inner periphery of the tubular wall 16.
The outer teeth 18 are formed in a substantially radial direction, and have a first engaging surface 20 on both side surfaces that mesh with inner teeth 51 of the screw cap C described later, and a guide member formed on an upper surface orthogonal to the first engaging surface 20. It has a mating surface 21, and its plan view shape is a substantially fan shape.
In this embodiment, the external teeth 18 are provided at six positions in the circumferential direction, but the number of external teeth 18 is not limited to six, and may be provided at a plurality of appropriate positions according to the shape of the plug 15.

The threaded wall portion 8 is hung from the outer peripheral edge of a top wall 9 that is continuous with the lower portion of the spout cylinder 10 at the inner peripheral edge, and the outer peripheral surface is provided with a male screw 23 that constitutes a first multiple thread portion. ..
As shown in FIG. 2A, the male screw 23 does not have a vertically symmetrical cross-section like an ordinary screw thread, and has an inclined upper surface 23a whose upper surface is steeply inclined and a lower surface which is flat. As shown in FIG. 6, the male screw 23 is composed of a flat lower surface 23b and is formed of a double thread screw whose upper end portion starts at 180° intervals.
In addition, in this embodiment, the male screw 23 is a two-thread screw, but it can be a multi-thread screw having three or more threads depending on the height of the screw wall portion 8.
On the inner peripheral surface of the screw wall portion 8, a plurality of reinforcing ribs 24 are provided, the upper portion of which is continuous with the ceiling wall 9 and which extends in the axial direction.

A step portion 25 depressed toward the outer peripheral side is provided on the peripheral portion of the ceiling wall 9, and two sound emitting protrusions 26 are arranged at 180° intervals on the inner peripheral side of the step portion 25.

The upper wall 7 of the fitting cylinder 4 is connected to the lower part of the screw wall 8 at the inner peripheral edge thereof, and the outer cylinder 5 and the inner cylinder 6 are vertically provided at the lower part of the upper wall 7.
A fitting groove into which the mouth portion 1 of the container body A is fitted is formed between the outer cylinder 5 and the inner cylinder 6, and the inner periphery of the outer cylinder 5 is engaged with the locking projection 2 to form the mouth portion. A locking reduced diameter portion 27 is provided to prevent 1 from coming off.
On the upper surface of the upper wall 7, stoppers 28 are provided at two positions in the circumferential direction, a first contact surface 28a that is substantially vertical is formed in the screwing-out direction, and a first inclined surface 28b is formed in the screwing-in direction. Has been formed.

A notch recess 29 is provided in the outer cylinder 5 in the radial direction from the outer peripheral surface in the circumferential direction, and a lower portion of the notch recess 29 is a separation member for separating the inner stopper B from the container body A for separate disposal. A mechanism 30 is provided.
As shown in FIGS. 3 and 4, the sorting mechanism 30 is provided with a grip portion 32 via a through slit 31 formed in the axial direction over a predetermined arc range of the lower outer peripheral surface of the outer cylinder 5, and the grip portion 32 is It is separated from the outer cylinder 5 by a thin vertical cutting portion 33 and can be expanded outward.

To the right of the vertical cutting portion 33 of the grip portion 32, a hooking concave portion 34 for putting a fingertip on the upper portion and hooking is formed.
As shown in FIG. 4, the through slit 31 extends from the vertical cutting portion 33 to the starting end portion 31a in the opposite direction (leftward direction) to the grip portion 32, and the grip portion 32 is an outer cylinder at the end portion 31b which is the other end portion. It is integrated with 5.
In the present embodiment, the through slit 31 is formed over an arc range of about 120°, and the hatched portion from the intermediate portion 31c adjacent to the hooking recess 34 to the end portion 31b in the through slit 31 is It is thinly connected so that it can be easily broken.

The lower portion including the locking reduced diameter portion 27 of the outer cylinder 5 adjacent to the terminal end portion 31b of the through slit 31 is notched in the radial direction, and a thin rupturable starting portion between the outer cylinder 5 and the grip portion 32 is formed. A break 35 is formed.
In the notched concave portion 29 of the outer cylinder 5, a thin circumferential cutting portion 36 extending in the rear direction from the terminal end 31b of the through slit 31 and rupturable on the inner peripheral side of the outer cylinder 5 up to the vicinity of the starting end 31a. A thick thick connecting portion 37 is formed so that most of the portion between the end portion of the circumferential cutting portion 36 and the terminal end portion 31b faces the grip portion 32.

As shown in FIGS. 1 and 5, the screw cap C includes a disc-shaped top wall 40 provided on the top plate portion and an outer peripheral wall 41 vertically extending from the outer peripheral edge of the top wall 40. On the inner surface of 40, an engagement portion 42 vertically provided near the center, and a cutting cylinder portion 43 and a screw cylinder portion 44 are vertically provided integrally with the top wall 40 in order from the engagement portion 42 to the outside of the concentric circle. Further, between the cutting cylinder portion 43 and the screw cylinder portion 44, sound producing members 45 are concentrically arranged at two positions at 180° intervals.

An annular second engagement protrusion 48 is formed on the outer periphery of the tip of the engagement portion 42 so as to ride over the first engagement protrusion 19 of the inner plug B and tightly fit to the inner peripheral surface of the cylindrical wall 16. ing.

When the lid is closed, the cutting cylinder portion 43 has a sealing cylinder 50 whose outer circumference is in close contact with the inner peripheral surface of the spout cylinder 10 to seal the spout, and an inner tooth 51 which meshes with the outer teeth 18 on the inner circumference of the sealing cylinder 50. The inner teeth 51 are provided at the same number of six positions as the outer teeth 18 in the circumferential direction.

The inner teeth 51 are formed in a substantially radial direction, and are formed on the second engaging surfaces 52 on both side surfaces that mesh with the first engaging surfaces 20 of the outer teeth 18 of the plug body 15, and on the lower surface orthogonal to the second engaging surface 52. And a tip engaging surface 53 that contacts the guide engaging surface 21 of the external tooth 18 when set.

The threaded cylindrical portion 44 is provided on its inner circumference with a female thread 55 that constitutes a second multi-threaded thread portion that is screwed into the male thread 23 of the inner plug B. The female thread 55 is a normal thread as shown in FIG. Like a screw thread, it has a flat upper surface 55a whose cross section is not vertically symmetrical and whose upper surface is flat, and an inclined lower surface 55b whose lower surface is steeply inclined. The internal thread 55 is shown in FIG. As described above, the lower end portion is formed by the double thread starting at 180° intervals.
The female screw 55 may be a multi-start screw having three or more threads, corresponding to the external thread 23, as described above.

Wedge-shaped recesses 56 that engage with the stopper 28 are formed at two positions in the circumferential direction on the lower end surface of the screw cylinder portion 44.
The wedge-shaped recess 56 is formed with a second contact surface 56a that is substantially perpendicular to the screw-out direction, and a second inclined surface 56b is formed in the screw-in direction. The first contact surface 28a of the stopper 28, It has a shape corresponding to the first inclined surface 28b.
When the lower end surface of the screw cylinder portion 44 contacts the upper wall 7 and the second contact surface 56a contacts the first contact surface 28a, the tightening of the screw cap C is completed.
Although the stoppers 28 and the wedge-shaped recesses 56 are provided at two circumferential positions in this embodiment, the stoppers 28 and the wedge-shaped recesses 56 are not limited to this and may be provided at a plurality of appropriate locations.

The sound producing member 45 extends vertically from the lower surface of the top wall 40, and has a rigid rod-shaped base portion 57 and a lower end surface of the base portion 57. The sound producing member 45 has a circumferential thickness that is elastically deformable and formed into a thin wall. It consists of a piece 58.
In the sound producing member 45, the tip of the vibrating piece 58 comes into contact with the sound producing projection 26 of the inner plug B immediately before the tightening of the screw cap C is completed, and the tightening progresses while the vibrating piece 58 is curved and deformed. At the same time, the vibrating piece 58 gets over the sounding projection 26 and tries to be restored, so that the vibrating piece 58 vibrates and a sound is generated.
In the present embodiment, the base 57 is arranged in two concentric circles at 180° intervals, but the base 57 may be continuous in a ring shape.

Next, the mode of use and operational effects of this embodiment will be described.
First, in order to attach the stopper cap of this embodiment to the container body A, the screw cap C is capped from the upper portion of the inner stopper B, the inner stopper B and the screw cap C are set, and then the inner stopper 1 is attached to the mouth 1. The fitting tubular portion 4 of B is applied and the stopper is tapped.

When the screw cap C is capped and set from the upper part of the inner plug B, the positions of the inner plug B and the screw cap C in the circumferential direction are temporarily aligned by a mark or the like not shown, and as shown in FIG. Then, when the screw cap C is placed so as to be aligned with the axial center of the inner plug B, the inner plug B and the screw cap C are not accurately aligned, and thus the internal teeth of the cutting cylinder portion 43 of the screw cap C are not aligned. 51 has a high possibility that the tip engaging surface 53 contacts the guide engaging surface 21 of the external tooth 18 of the plug 15 and is not fitted between the external teeth 18. In this case, the female screw 55 of the screw cap C is used. Is not in contact with the male screw 23 of the inner plug B.
It is preferable that the tip engaging surface 53 and the guide engaging surface 21 each have a rounded shape or an inclined shape at the peripheral edge portion and a flat surface shape at the other portions.
When the screw cap C is capped on the inner plug B, a flat surface shape may be provided on a portion that comes into contact when the screw cap C is placed on the inner plug B.

After that, when the screw cap C is slightly rotated in the left-right direction without applying a load to the screw cap C, the internal teeth 51 of the cutting tubular portion 43 reach the position shown in FIG. 51 is fitted between the outer teeth 18 and is in a state capable of meshing with the outer teeth 18 of the plug body 15.
At this time, as for the positional relationship between the male screw 23 of the inner plug B and the female screw 55 of the screw cap C, as shown in the screw development view of FIG. 7B, the screw phases are the same.

When the screw cap C is pushed into the inner plug B from this state, as shown in FIG. 2( a ), the female screw 55 of the screw cap C moves the male screw 23 while the inclined lower surface 55 b is in sliding contact with the inclined upper surface 23 a of the male screw 23. After getting over, the screw cylinder portion 44 of the screw cap C comes to fit into the screw wall portion 8 of the inner plug B.
At the same time, as shown in FIG. 2( b ), the wedge-shaped recess 56 at the bottom of the screw cylinder portion 44 is fitted into the stopper 28 of the upper wall 7 of the inner plug B, so that the wedge-shaped recess 56 is brought into the second contact. The surface 56a contacts the first contact surface 28a of the stopper 28, and screwing of both screws is completed.

The stopper cap assembled in the set state is put into use by applying the fitting cylindrical portion 4 of the inner stopper B to the mouth portion 1 of the container body A filled with the contents and capping.
As described above, in the stopper cap of the present embodiment, when the screw cap C is set on the inner stopper B, the screw cap C can be attached to the inner stopper B by tapping, so that the stopper cap is the same as a conventional stopper cap. The set of the screw cap C and the inner plug B can be completed with one touch without requiring a ratchet mechanism.

Next, in order to use the container equipped with the stopper cap of the present embodiment, the screw cap C is rotated in the screw-out direction with respect to the inner stopper B.
When the screw cap C is rotated, the inner teeth 51 of the cutting cylinder portion 43 are rotated, and the second engagement surfaces 52 thereof come into contact with the first engagement surfaces 20 of the outer teeth 18 of the plug body 15 of the inner plug B. As a result, the rotational force of the screw cap C is applied to the plug body 15 via both teeth.
In addition, in the present embodiment, the first engagement surface 20 and the second engagement surface 52 are formed flat, but the first engagement surface 20 and the second engagement surface 52 are not flat. However, there is no problem if the outer teeth 18 and the inner teeth 51 can mesh with each other when the screw cap C is rotated.

After that, as the rotation progresses, the tip of the vibrating piece 58 of the sound producing member 45 of the screw cap C contacts the sound producing protrusion 26 of the top wall 9 of the inside plug B, and when the rotation further progresses, the vibrating piece 58 bends. As the vibration piece 58 progresses while being deformed, the tip of the vibrating piece 58 climbs over the sound emitting projection 26, and the vibrating piece 58 that has been curved and deformed is restored and vibrates, and a sound is emitted.

At this time, since the second engagement protrusion 48 of the engaging portion 42 is tightly fitted to the inner peripheral surface of the tubular wall 16 of the plug body 15, the tubular wall 16 is reinforced from the inside and the screw cap is provided. The rotational force of C is easily transmitted to the plug body 15 via the internal teeth 51 and the external teeth 18, and a force for pulling up the plug body 15 is generated as the screws rotate.
As the rotation of the screw cap C progresses, the thinning weakened portion 14 is finally broken by the rotational force and the pulling force applied to the plug body 15 and the spout is opened in the spout barrel 10 and separated from the spout barrel 10. The stopper 15 thus pulled up is pulled up by the engaging portion 42 that engages with the tubular wall 16 and rises together with the screw cap C.

Further, when the female screw 55 is unscrewed from the male screw 23 and the screw cap C is detached from the inner plug B, the contents in the container body A are opened from the opening of the pouring cylinder 10 in which the plug body 15 is removed together with the screw cap C. Can be poured out.

When the screw cap C is screwed into the inner plug B again after the contents have been poured out, the sealing cylinder 50 of the cutting cylinder portion 43 of the screw cap C is brought into close contact with the inner circumference of the pouring cylinder 10 and the container is closed. The inside can be sealed.
Further, when the screwing of both screws is completed, the tip of the vibrating piece 58 of the sound producing member 45 again comes into contact with the sound producing projection 26 and vibrates to produce sound, so that the user of the present invention. Can sense the end of cap closure.

The inner plug B of the stopper cap of the present embodiment can be separated from the container main body A by a simple operation when the container is used and then discarded, and can be separated and discarded.
First, when a finger is applied to the hooking recess 34 near the vertical cutting portion 33 shown in FIGS. 3 and 4 and the grip portion 32 is pulled forward, the vertical cutting portion 33 is broken and the grip portion 32 is expanded outward.
When the grip portion 32 is further pulled while gripping the grip portion 32 with a finger, the hatched thin portion from the intermediate portion 31c to the terminal end portion 31b of the through slit 31 is easily broken, and then the through slit 31 of the through slit 31 is formed. The thin-walled starting portion 35 provided adjacent to the terminal end portion 31b breaks, and the fracture progresses to the circumferential cutting portion 36.

When the circumferential cutting portion 36 is broken, the engagement of the locking reduced diameter portion 27 with the locking projection 2 is released. Therefore, when the fracture progresses to the vicinity of the thick connecting portion 37, the locking reduced diameter is achieved. When the restraint of the mouth portion 1 by the portion 27 is released and the grip portion 32 is pulled up, the inner stopper B can be separated from the container main body A and separately disposed.

In this embodiment, the stopper 28 and the wedge-shaped recess 56 are provided in the inner plug B and the screw cap C in order to stop the rotation after the closing of the lid. However, when the closing of the lid is completed, a sound is generated by the sound producing member 45. Since the user can sensuously know the end of the cap closing, it is not necessary to provide the stopper 28 and the wedge-shaped concave portion 56, and further, the sound output protrusion 26 and the sound output member 45 cause the sound. It is not necessary to provide the delivery mechanism.

Next, a second embodiment in which the configurations of the outer teeth 18 of the plug body 15 and the inner teeth 51 of the cutting cylinder 43 of the first embodiment are changed will be described with reference to FIG.
Hereinafter, the same components as those in the first embodiment will be designated by the same reference numerals, and the changed portions in the plug body 15 and the cutting cylinder portion 43 will be designated by new reference numerals, and the differences will be mainly described.

As shown in FIG. 8( a ), the inside plug B is provided with a pouring tube 10 provided upright on the ceiling wall 9, and the pouring tube 10 forms a pouring outlet for pouring out the contents, A plug 15 is integrally connected to the inner peripheral surface of the cylinder 10 via a thin weakening portion (not shown) formed over the entire circumference.
A cylindrical tubular wall 16 is erected on the top of the plug body 15.
Further, a step portion 25 depressed toward the outer peripheral side is provided on the peripheral edge portion of the ceiling wall 9, and two sound emitting protrusions 26 are disposed at 180° intervals on the inner peripheral side of the step portion 25. There is.

As shown in detail in FIG. 8(b), two wide outer teeth 61 are provided on the outer periphery of the cylindrical wall 16 at two positions at 0° and 180° with respect to the axial center. 62 are provided at four positions at 60°, 120°, 240° and 300° with respect to the axis.
The wide outer tooth 61 has a first wide engaging surface 63 that is formed in a substantially radial direction and has both side surfaces that mesh with the narrow inner tooth 67 of the screw cap C and forms an arc angle α1, and the narrow outer tooth 62 is Both side surfaces formed in a substantially radial direction and meshing with the wide inner teeth 66 and the narrow inner teeth 67 of the screw cap C have a first narrow engaging surface 64 having an arc angle α2.

As shown in FIG. 8( a ), the screw cap C includes an engaging portion 42 vertically provided near the center on an inner surface of a top wall (not shown), and from the engaging portion 42 to a concentric outside. The cutting cylinder portion 43 and the screw cylinder portion 44 are vertically provided integrally with the top wall. Further, between the cutting cylinder portion 43 and the screw cylinder portion 44, two sound producing members 45 are concentrically arranged at 180° intervals. It is installed in.

As shown in detail in FIG. 8( b ), when the lid is closed, the cutting cylinder part 43 has a sealing cylinder 50 whose outer periphery is in close contact with the inner peripheral surface of the spouting cylinder 10 to seal the spout, and an inside of the sealing cylinder 50. Wide inner teeth 66 are provided at two positions on the circumference at positions of 90° and 270° with respect to the axis, and further narrow inner teeth 67 are provided at 30°, 150°, 210° with respect to the axis, There are four protrusions at 330°.
The wide inner teeth 66 are formed in a substantially radial direction and have second wide engaging surfaces 68 whose both side surfaces that mesh with the first narrow engaging surfaces 64 of the narrow outer teeth 62 of the plug 15 form an arc angle β1. However, the narrow inner teeth 67 have a second narrow engaging surface 69 which is formed in a substantially radial direction and whose both side surfaces which mesh with the wide outer teeth 61 and the narrow outer teeth 62 of the plug 15 form an arc angle β2. is doing.

Next, the mode of use and operational effects of this embodiment will be described.
When the screw cap C is capped and set from the upper part of the inner stopper B, the inner stopper B and the screw cap C are temporarily placed by aligning them in the circumferential direction with a mark (not shown) as in the first embodiment. However, in the case of the present embodiment, the screw cap C is placed on the inner plug B without loading the screw cap C without any preliminary positioning in advance. By rotating the cap C by up to 90° in either the left or right direction, the wide inner teeth 66 and the narrow inner teeth 67 of the screw cap C are separated from the wide outer teeth 61 and the narrow outer teeth 62 of the plug body 15. Can be inserted into.
Next, when the screw cap C is pushed into the inner stopper B from this state, the screw cap C can be set on the inner stopper B in the same manner as in the first embodiment.

As described above, in the present embodiment, when the sound producing mechanisms are provided at 180° intervals in the stopper cap, the screw cap C is attached to the inner stopper B without providing positioning marks or the like. It can be accurately aligned and set.
In addition, in this embodiment, since the male screw 23 and the female screw 55 are formed as a double thread, the wide outer teeth 61 and the wide inner teeth 66 are formed at two positions, respectively, but a multi-thread having three or more threads is used. In the case of using a thread, the wide outer teeth 61 and the wide inner teeth 66 can be formed at three or more locations, respectively.

The stopper cap of the present invention is a stopper cap that is attached to a container body and has a removable stopper body, and a screw cap that is screwed and attached to the stopper. Since it is not necessary to screw it in when attaching it to, and after attaching the screw cap to the inner plug, it can be easily opened by rotating the screw cap in the screw unthreading direction, It can be widely used as a container for foods and drinks, seasonings and the like, and is particularly suitable as a container that can be used safely by children and the elderly.

A Container body B Inner plug C Screw cap 1 Mouth 2 Locking ridge 4 Fitting cylinder 5 Outer cylinder 6 Inner cylinder 7 Upper wall 8 Screw wall 9 Top wall 10 Spout 11 Base 12 Lip 14 Weakening of wall thickness Part 15 Plug 16 Cylindrical wall 17 Bottom wall 18 External teeth 19 First engaging projection 20 First engaging surface 21 Guide engaging surface 23 Male screw (first multi-threaded portion)
23a Inclined upper surface 23b Flat lower surface 24 Reinforcing rib 25 Stepped portion 26 Sound producing projection 27 Locking reduced diameter portion 28 Stopper 28a First abutment surface 28b First inclined surface 29 Notched concave portion 30 Sorting mechanism 31 Through slit 31a Starting end portion 31b Terminal part 31c Intermediate part 32 Grasping part 33 Vertical cutting part 34 Hooking concave part 35 Thin wall starting part 36 Circumferential cutting part 37 Thick wall connecting part 40 Top wall 41 Outer peripheral wall 42 Attachment part 43 Cutting cylinder part 44 Screw cylinder part 45 Sound Outlet member 48 Second engaging protrusion 50 Sealing cylinder 51 Inner teeth 52 Second engaging surface 53 Tip engaging surface 55 Female screw (second multi-threaded portion)
55a Flat upper surface 55b Inclined lower surface 56 Wedge-shaped recess 56a Second contact surface 56b Second inclined surface 57 Base 58 Vibrating piece 61 Wide outer tooth 62 Narrow outer tooth 63 First wide engaging surface 64 First narrow engaging surface 66 Wide internal teeth 67 Narrow internal teeth 68 Second wide engaging surface 69 Second narrow engaging surface

Claims (6)

An inner stopper attached to the mouth portion of the container body, and a screw cap attached to the inner stopper by screwing,
The inner plug is connected to a pouring tube that guides the contents with an inner peripheral surface of the pouring tube through a thin-walled weakened portion, and has a first engaging protrusion on the inner circumference and external teeth on the outer circumference. And a first multi-threaded screw portion provided on the outside of the pouring tube,
The screw cap hangs down from the center of the top wall, and has an engaging portion having an outer periphery formed with a second engaging protrusion capable of engaging with the first engaging protrusion, and a screw cap hanging from the outside of the engaging portion. A cutting cylinder part provided with inner teeth capable of meshing with external teeth on the circumference, and a second multi-thread screw part provided outside the cutting cylinder part and capable of screwing with the first multi-thread screw part,
A cap for removing a plug, wherein the first multi-threaded portion and the second multi-threaded portion are cappable when the screw cap is attached to the inner plug. The plug is formed so that the external teeth are lower than the height of the cylindrical wall,
2. The plug according to claim 1, wherein the cutting cylinder portion has a sealing cylinder whose outer periphery is in close contact with the inner peripheral surface of the spouting cylinder, and the inner teeth are formed to be lower than the height of the sealing cylinder. cap. The outer teeth are formed in a substantially radial direction and have first engaging surfaces on both side surfaces that mesh with the inner teeth, and guide engaging surfaces formed on an upper surface orthogonal to the first engaging surfaces,
The inner teeth are formed in a substantially radial direction, and are formed on the second engaging surfaces on both side surfaces that mesh with the first engaging surfaces of the outer teeth and on the lower surface orthogonal to the second engaging surface, and guide the outer teeth during setting. The stopper cap according to claim 1 or 2, further comprising a tip engaging surface that abuts against the engaging surface. The outer teeth have wide outer teeth with a wide arc angle and narrow outer teeth with a narrower arc angle than the wide outer teeth,
The plug according to any one of claims 1 to 3, wherein the inner teeth have wide inner teeth having a wide arc angle and narrow inner teeth having a narrower arc angle than the wide inner teeth. The inner plug includes a fitting tubular portion into which the mouth portion of the container body is fitted, a threaded wall portion that is erected from the fitting tubular portion, and a first multi-threaded screw portion is screwed, and an inner portion from an upper end of the threaded wall portion. 5. The stopper cap according to any one of claims 1 to 4, further comprising: a ceiling wall that is continuously provided in one direction and has a spout cylinder formed therein. The screw cap has an outer peripheral wall that is hung from the outer peripheral edge of the top wall, and a screw cylinder portion that is hung from the outside of the cutting cylinder portion of the top wall and that is screwed with the second multi-thread screw portion. The stopper cap according to claim 5.

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