JP2015160669A - Drinking device for beverage container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drinking device for a beverage container, capable of preventing reverse flow of a drink in use without losing components when cleaning.SOLUTION: An integrally molded product comprises a lid body part 20 made of a hard synthetic resin material, and a drinking part 30 made of a soft synthetic resin material. A drinking device 10 is used by mounting on a drinking mouth Ba of a PET bottle B by inserting a straw S into the drinking part 30 and attaching the drinking part 30 to the lid body part 20. Drink in the PET bottle B can be drunken by sucking drink by bringing the mouth into contact with a sucking tube 30a with flexibility in a state of opening an opening/closing lid 22 of the lid body part 20. Drink passing a reverse flow preventing valve 30g and going into the sucking tube 30a once does not flow reversibly in the PET bottle B with the reverse flow preventing valve 30g. When removing the drinking part 30 from the lid body part 20 and cleaning after using, there is no fear of losing components owing to that the drinking part 30 is constituted from one member.

Description

  The present invention relates to a drinking device for beverage containers that is used by being attached to a drinking mouth of a beverage container such as a plastic bottle.

  Patent Document 1 discloses a lid 1 for a beverage container that is used by being screwed into a screw-type drinking mouth of a commercially available plastic bottle containing a beverage.

  As shown in FIG. 13, the beverage container lid 1 closes the opening / closing lid 2 to bend the resilient mouthpiece 4 connected to the connecting tube 3 by the projection 5 in the opening / closing lid 2. Store. Moreover, as shown by a one-dot chain line, the opening / closing lid 2 can be opened by a one-touch operation, and a mouth can be attached to the mouthpiece tube 4 that has stood up due to elasticity to suck a plastic bottle beverage.

  Such a beverage container lid 1 that can be easily opened and closed by a one-touch operation has less troublesome opening and closing work when hydrating in sports or the like than a conventional screw-type lid. A drink can be drunk using the mouthpiece tube 4 by simple operation.

  Moreover, even if the infant is difficult to open and close with the existing screw-type lid, the open / close lid 4 can be easily opened and closed. Therefore, the lid 1 for a beverage container can be attached to a plastic bottle such as juice and used for infants.

JP 2000-238821 A

  In this beverage container lid 1, when the opening / closing lid 2 is closed, as shown in FIG. 13, the mouthpiece tube 4 is bent to prevent the beverage from leaking out. There are no restrictions. Therefore, when an infant uses it, it is difficult to suck a drink from the mouthpiece tube 4 like an adult, so the saliva and the beverage contained in the mouth are returned to the mouthpiece pipe 4, and these are the PET bottles. May flow backward.

  It is conceivable that miscellaneous bacteria grow in the beverage in the PET bottle from the saliva or beverage that has flowed back. If the infant drinks the beverage in which the miscellaneous bacteria have grown again, it may cause abdominal pain, diarrhea, and the like. In addition, even if used by adults in the summer, miscellaneous bacteria may be mixed in the PET bottle and proliferate due to a small amount of saliva or the like flowing back through the mouthpiece tube 4. Furthermore, if the plastic bottle is laid sideways with the open / close lid 2 open, the beverage inside may be spilled.

  When an infant uses the beverage container lid 1, the mouthpiece pipe 4 is detached from the connecting pipe 3 because the mouthpiece pipe 4 is bitten, and the mouthpiece pipe 4 may be accidentally swallowed. . Further, since the beverage container lid 1 is reused, there is a problem that the mouthpiece tube 4 and the connecting tube 3 are lost when the mouthpiece tube 4 and the connecting tube 3 are disassembled and cleaned.

  The object of the present invention is to eliminate the above-mentioned problems, integrate the sucking part and mold it, and provide a backflow prevention mechanism in the sucking part. It is in providing the drinking device for drink containers which can prevent the back flow of a drink inside inside a drinking part.

  In order to achieve the above object, a beverage container drinking apparatus according to the present invention comprises a drinking part and a lid part, and is a beverage container drinking apparatus used by being attached to a drinking mouth of a beverage container. The drinking part is attached to the drinking mouth of the beverage container, provided with a suction tube on the upper side and provided with a straw attachment part for attaching a straw on the lower side, and provided with a backflow prevention mechanism for the beverage from the beverage container inside It is a molded product, and the lid part covers the sucking part so as to be freely opened and closed.

  According to the drinking apparatus for beverage containers according to the present invention, there is no possibility of losing parts, and the beverage does not flow out of the beverage container or flow backward into the beverage container.

It is a disassembled perspective view of the drinking apparatus of Example 1. It is a section perspective view of a lid part. It is a cross-sectional perspective view of a drinking part. It is sectional drawing of the state which mounted | worn the drinking apparatus with the PET bottle, and closed the opening-and-closing lid. It is sectional drawing of the state which attached | subjected the drinking apparatus to the PET bottle, and opened the opening-and-closing lid. It is a perspective view of the drinking apparatus of Example 2. It is a perspective view of a drinking part. It is sectional drawing of the state which attached the drinking part to the cover part, and opened the opening-and-closing lid. It is a disassembled perspective view of the drinking apparatus of Example 3. It is a cross-sectional perspective view of a drinking part. It is sectional drawing of the state which mounted | worn the drinking apparatus with the PET bottle, and closed the opening-and-closing lid. It is sectional drawing of the state which attached | subjected the drinking apparatus to the PET bottle, and opened the opening-and-closing lid. It is sectional drawing of the state which closed the opening-and-closing lid of the conventional drink container lid.

  The present invention will be described in detail based on the embodiment shown in FIGS.

  1 is an exploded perspective view of a plastic bottle that is a beverage container and a drinking device that is attached to the plastic bottle, FIG. 2 is a sectional perspective view of a lid portion, and FIG. 3 is a sectional perspective view of a drinking portion. .

  The ingesting device 10 includes a lid 20 for the plastic bottle B, and an inhaler 30 used in combination with the lid 20. The lid portion 20 is made of a hard synthetic resin material, and the drinking portion 30 is an integrally molded product by injection molding of a soft synthetic resin material such as silicon rubber. With the sucking part 30 attached to the lid part 20, the straw S is inserted into the sucking part 30, and the sucking apparatus 10 is further attached to the plastic bottle B for use.

  The lid portion 20 is attached to the main body portion 21, the main body portion 21 for attaching the sucking and drinking portion 30, and attached to the drinking mouth Ba of the plastic bottle B, the open / close lid 22 attached to the main body portion 21 so as to be freely opened and closed. It is comprised from the locking part 23 for locking the opening-and-closing lid 22. The main body 21 has a cylindrical shape whose upper surface is raised stepwise, and has a circular top surface part 21a partially cut out in a straight line for aligning the sucking part 30. An inner screw portion 21 b that is screwed with the screw portion Bb of the plastic bottle B is formed on the inner surface of the cylinder of the main body portion 21.

  The top surface portion 21a of the main body portion 21 has a hole portion 21c through which the suction pipe 30a of the drinking portion 30 is inserted in the center, and a small diameter for adjusting the air pressure in the plastic bottle B disposed in the vicinity of the hole portion 21c. The pressure adjusting hole 21d is formed.

  A pair of shaft portions 21e projecting outward to be connected to the opening / closing lid 22 are provided at the upper end of the cylindrical outer surface on a part of the outer surface of the top surface portion 21a. The opening / closing lid 22 includes a bearing portion 22a that allows the opening / closing lid 22 to be opened and closed with the shaft portion 21e as a center, and a bowl-shaped inner opening / closing lid 22b and an outer opening / closing lid positioned outside the bearing portion 22a. 22c is connected.

  The shaft portion 21e and the bearing portion 22a constitute a hinge mechanism so that the opening / closing lid 22 is held by the main body portion 21 so as to be freely opened and closed. Further, a spring body (not shown) such as a leaf spring or a torsion coil spring is used for the hinge mechanism, and the opening / closing lid 22 is always urged in the opening direction by the spring body.

  A part of the inner wall surface of the inner opening / closing lid 22b is provided with a projecting closing portion 22d for preventing a beverage from leaking from the pressure adjusting hole 21d when the plastic bottle B is tilted. The closing portion 22d is disposed so as to contact the upper portion of the pressure adjustment hole 21d and close the pressure adjustment hole 21d when the opening / closing lid 22 is closed.

  A button fitting portion 22e is disposed on the opposite side of the bearing portion 22a via the inner opening / closing lid 22b, and a latch receiving portion 22f is provided at the end of the button fitting portion 22e. A button receiving portion 21f facing the button fitting portion 22e when closed is provided on a part of the cylindrical outer surface on the opposite side of the shaft portion 21e of the main body portion 21. The button receiving portion 21f includes a wall portion 21g having a substantially U-shaped cross section that is open upward, and a projecting portion 21h that is located in the wall portion 21g and is disposed outward from the outer surface of the cylinder. Yes.

  The lock portion 23 is shaped to be fitted to the wall portion 21g of the button receiving portion 21f, and a gap is provided in the button receiving portion 21f so that the lock portion 23 can be pressed toward the center of the main body portion 21. . On the upper portion of the locking portion 23, a locking collar portion 23a that is locked to the locking receiving portion 22f of the opening / closing lid 22 is provided. A compression spring mechanism is interposed between the protruding portion 23b on the locking portion 23 side and the protruding portion 21h, and the locking portion 23 is always urged outward.

  The sucking and drinking unit 30 is provided with a suction tube 30a, and is provided with a disk portion 30b that supports the suction tube 30a and abuts against the back surface of the top surface portion 21a of the main body portion 21, and is made of a synthetic resin tube. A cylindrical straw attachment portion 30c for inserting and attaching the disposable or dedicated straw S is disposed below the disc portion 30b.

  The disc portion 30b is formed with a circular main body abutting portion 30e having a diameter smaller than that of the disc portion 30b and increasing in a stepped shape at the upper portion, and a part of which is a straight portion 30d. 30e is positioned and attached to the lower part of the top surface part 21a of the main body part 21 by the linear part 30d. Further, in a state where the sucking and drinking unit 30 is attached to a predetermined position of the main body unit 21, a small hole unit 30f communicating with the pressure adjusting hole 21d is formed.

  A backflow prevention valve 30g is provided as a backflow prevention mechanism for beverages between the suction pipe 30a and the straw attachment portion 30c in the drinking portion 30. The backflow prevention valve 30g is formed by inserting a cutter into the thin portion from the suction tube 30a side or the straw attachment portion 30c side and providing a cross-shaped or one-line cut portion 30h. The backflow prevention valve 30g may be integrally molded in a state of being cut in advance, or the backflow prevention valve 30g can be arranged at an appropriate place as long as it is inside or near the suction pipe 30a.

  Note that the backflow prevention valve 30g may have a palm-like shape or a funnel-like shape with the top portion facing the distal end side of the suction tube 30a. By arranging the top portion on the suction tube 30a side, the beverage flows only from the straw attachment portion 30c side to the suction tube 30a side, and backflow is prevented.

  FIG. 4 is a cross-sectional view of the state in which the drinking device 10 is fixed to the plastic bottle B, and the opening / closing lid 22 of the lid body portion 20 is closed. The straw S is inserted into the flexible straw attachment part 30c from below, the drinking part 30 is attached to the main body part 21, and the opening / closing lid 22 is closed by turning the hinge mechanism and pushed into the main body part 21 from above. . As a result, the locking collar portion 23a of the locking portion 23 engages with the locking receiving portion 22f of the opening / closing lid 22, and the opening / closing lid 22 is locked in the closed state. In such a state, the drinking device 10 is mounted by screwing the inner screw portion 21b of the main body portion 21 into the screw portion Bb of the plastic bottle B. At this time, the tip of the straw S has a length that reaches the bottom of the plastic bottle B.

  Thus, when the opening / closing lid 22 is closed, the suction tube 30a is accommodated in the gap in the inner opening / closing lid 22b, so that bacteria, dirt, etc. are not attached to the suction tube 30a from the outside, and the suction tube 30a is Can be kept hygienic.

  In this state, when the plastic bottle B falls down, the beverage in the plastic bottle B spills out of the suction pipe 30a and the pressure adjustment hole 21d by the backflow prevention valve 30g and the closing portion 22d that closes the pressure adjustment hole 21d. There is no.

  In use, the locking portion 23a is released from the locking receiving portion 22f by pressing the locking portion 23 inward with a finger, so that the locked state is released, and the opening / closing lid 22 is biased by the spring of the hinge mechanism. Thus, the open state as shown in FIG. 5 is obtained.

  When the opening / closing lid 22 is opened and the suction tube 30a having flexibility is in contact with the mouth, the beverage in the plastic bottle B can be drunk. By sucking in the beverage, the air pressure in the reduced pressure PET bottle B is balanced with the atmospheric pressure by the outside air flowing in from the pressure adjusting hole 21d and the small hole portion 30f, so that it is not difficult to suck the beverage. .

  Once the beverage passes through the backflow prevention valve 30g and enters the suction pipe 30a, the backflow prevention valve 30g does not flow back into the plastic bottle B even if the inside of the plastic bottle B temporarily becomes negative pressure. Even if the infant's saliva or the like flows into the suction tube 30a, it is blocked by the backflow prevention valve 30g, so that it does not flow into the plastic bottle B. Therefore, the backflow prevention valve 30g can prevent the proliferation of germs contained in saliva and the like in the PET bottle B.

  In addition, after attaching the sucking and drinking unit 30 to the lid 20, the suction tube 30 a is integrated with the disc portion 30 b and the straw mounting portion 30 c even if the suction tube 30 a is bitten and pulled out. It will not come off. Therefore, even if an infant uses it, there is no possibility of accidentally swallowing the suction tube 30a.

  After the use of the sucking device 10, it is preferable that the sucking device 10 is removed from the plastic bottle B, and the sucking unit 30 is further detached and disassembled from the lid 20 to clean the sucking unit 30. At this time, since the sucking and drinking unit 30 is composed of one member, there is no possibility of losing parts. After washing and drying, attach it to another PET bottle and use it in the same way. At this time, a new straw S may be used or may be used continuously.

  FIG. 6 is a perspective view of the drinking device according to the second embodiment, FIG. 7 is a perspective view of the drinking portion, and FIG. 8 is a cross-sectional view of the drinking device with the opening / closing lid opened.

  The ingesting device 40 includes a lid 50 for a plastic bottle and an inhaler 60 used in combination with the lid 50. The lid portion 50 is made of a hard synthetic resin material, and the drinking portion 60 is an integrally molded product obtained by molding a soft synthetic resin material such as silicon rubber.

  The lid 50 includes a substantially cylindrical main body 51 to which the sucking and drinking unit 60 is attached and attached to the drinking mouth Ba, an open / close lid 52 attached to the main body 51 so as to be freely opened and closed, and both sides of the main body 51. It is comprised from a pair of pushbutton part 53 provided in.

  The main body 51 is formed with an inner bottom 51a and an inner screw 51b that is screwed with the screw Bb of the plastic bottle B on the inner side of the substantially cylindrical shape. The suction pipe 60a of the drinking part 60 is formed on the inner bottom 51a. And a small diameter pressure adjusting hole 51d communicating with the small hole portion 60e. A part of the upper peripheral surface of the main body 51 is provided with a pair of shaft portions 51e, and a pair of push button receiving portions 51f made of a gap are provided on both sides of the upper peripheral surface of the main body 51. A push button portion 53 having a locking hook portion 53a is disposed at the inlet portion of the push button receiving portion 51f, and the push button portion 53 is always urged outward through a compression spring mechanism.

  The opening / closing lid 52 includes a bearing portion 52a that allows the opening / closing lid 52 to be freely opened and closed with the shaft portion 51e as the center, and a bowl-shaped inner opening / closing lid 52b and an outer opening / closing lid positioned outside the bearing portion 52a. 52c is connected. The opening / closing lid 52 is held by the main body 51 so as to be freely opened and closed via a shaft portion 51e and a bearing portion 52a. A protruding piece 52d is provided on the inner wall surface of the inner lid portion 52b.

  The sucking part 60 is provided with a suction pipe 60a whose tip is inclined obliquely, and is provided with a disk part 60b that supports the suction pipe 60a and abuts against the back surface of the middle bottom part 51a of the main body part 51. A straw attachment portion 60c for attaching the stub is disposed below the disc portion 60b. At the root of the suction tube 60a, a convex portion 60d for positioning with respect to the main body portion 51 is provided, and a small hole portion 60e is formed in the disc portion 60b. A backflow prevention valve 60f is arranged between the suction pipe 60a and the straw attachment portion 60c in the sucking and drinking unit 60, as in the first embodiment.

  When the opening / closing lid 52 is closed with respect to the main body 51 by the rotation of the hinge mechanism, the locking collar portion 53a of the push button portion 53 engages with the locking edge portion 52e of the opening / closing lid 22, and the opening / closing lid 52 is in the closed state. Locked. At this time, the protruding piece 52d presses the side surface of the flexible suction tube 60a, and bends the suction tube 60a into a "<" shape as in FIG. Further, since the protruding piece 52d has a portion of the suction tube 60a bent when the suction tube 60a is bent, the upper portion of the pressure adjustment hole 51d is in contact with the pressure adjustment hole 51d and the small hole portion 60e. In a state where the opening / closing lid 52 is closed, the beverage does not leak from the suction pipe 60a and the pressure adjustment hole 51d.

  By bending the suction pipe 60a into a "<" shape, it is possible to prevent the beverage from flowing out of the suction pipe 60a even if the PET bottle B is turned upside down in a bottle or the like. Moreover, since the front-end | tip of the protrusion piece 52d contact | abuts to the suction pipe 60a, it is preferable to give antimicrobial treatment to the protrusion piece 52d.

  When opening the opening / closing lid 52, the locking hooks 53a are released from the locking edge 52e by pressing the locking portions 23 on both sides inward with fingers, and the locked state is released and bent. The opening / closing lid 52 is opened by the elastic force restored by the suction pipe 60a.

  In the drinking device 40, the locking lid 52 is locked and unlocked by the locking edge portions 52e and the pair of push button portions 53 on both sides. However, as in the drinking device 10 of the first embodiment, 1 You may employ | adopt the locking mechanism in a location.

  FIG. 9 is an exploded perspective view of the plastic bottle and the drinking device according to the third embodiment, FIG. 10 is a sectional perspective view of the drinking portion, and FIG. 11 is a sectional view of the drinking device mounted on the plastic bottle. The sucking and drinking apparatus 70 includes a lid body portion 80 for the plastic bottle B and a sucking and drinking portion 90 used in combination with the lid body portion 80. Further, the lid body portion 80 includes a lid portion 81 and an annular portion 82.

  The lid portion 81 and the annular portion 82 are made of a hard synthetic resin material, and the drinking portion 90 is an integrally molded product made of a soft synthetic resin material. The lid portion 81 is composed of a bowl-shaped outer lid portion 81a and a pair of bearing portions 81b, and the annular portion 82 is composed of an annular body 82a and a shaft portion 82b.

  The sucking and drinking part 90 is substantially cylindrical, and the suction pipe 90a stands up from the central part of the disk part 90b. Further, a cylindrical straw mounting portion 90c is provided on the lower side of the center of the disc portion 90b, and a small hole portion 90d is drilled in the vicinity of the suction pipe 90a. A backflow prevention valve 90e is disposed between the suction pipe 90a and the straw attachment portion 90c in the sucking and drinking unit 90.

  An annular groove 90g is formed in the upper part of the outer side surface of the side cylinder part 90f continuous with the disk part 90b, and the outer diameter of the screw part Bb of the plastic bottle B is formed on the inner side surface above the side cylinder part 90f. Is provided with a cap holding portion 90h having a diameter substantially coincident with.

  You may manufacture the drinking part 90 by methods other than the injection molding by a single silicon rubber, for example. This is the same in the first and second embodiments. Further, for example, the straw attachment portion 90c of the suction tube 90a may be made of an elastomer, and the disc portion 90b and the side tube portion 90f may be integrally manufactured by two-color molding made of a hard synthetic resin.

  In addition, when the side cylinder part 90f is made of a hard material, instead of the cap holding part 90h, an internal thread part that is screwed with the screw part Bb of the plastic bottle B is formed on the inner side surface below the side cylinder part 90f. It is preferable. Moreover, even if it is the drinking part 90 which consists of a soft synthetic resin material, it may replace with the cap holding | maintenance part 90h, and may form an internal thread part.

  As shown in FIG. 11, a lid portion 81 is attached to the sucking and drinking portion 90 via an annular portion 82, the drinking device 70 is fixed to the plastic bottle B, and the lid portion 81 is closed. Thereby, since the cap holding part 90h made of a soft material such as silicon rubber can be expanded and contracted to some extent, it can be flexibly attached to the plastic bottle B having a different diameter of the drinking mouth Ba.

  By fitting the annular body 82a of the annular part 82, which is connected to the lid part 81 so as to be freely opened and closed by the hinge mechanism by the shaft part 82b and the bearing part 81b, into the annular groove part 90g of the drinking part 90, the annular part 82 is formed. It fixes to the drinking part 90.

  The inner diameter of the side cylinder portion 90f of the sucking and drinking portion 90 and the outer diameter of the disc portion 90b are substantially the same, and when the outer lid portion 81a of the lid portion 81 comes into contact with the outer periphery of the disc portion 90b and is pushed in with a finger. The outer lid portion 81a is fitted to the outside of the disc portion 90b, and the lid body portion 80 is in a closed state, and this closed state is maintained.

  When drinking a beverage, the outer lid portion 81a is pulled upward with a finger, so that the lid portion 80 is opened as shown in FIG. Although no spring body is provided in the hinge mechanism, a spring body may be provided as in the first embodiment. By using the spring body, when the outer lid portion 81a is removed from the disc portion 90b, the lid body portion 80 is automatically opened.

  Further, a structure in which a locking piece is provided on the opposite side of the bearing portion 81b of the outer lid portion 81a and a locking receiving portion is provided on the opposite side of the hinge mechanism of the sucking and drinking portion 90 so that the lid body portion 80 is caught when closed. Good.

  The suction of the beverage in the plastic bottle B is the same as in the previous embodiment, and parts are not lost even after cleaning after use.

10, 40, 70 Sucking device 20, 50, 80 Lid portion 30, 60, 90 Sucking portion 30a, 60a, 90a Suction tube 30c, 60c, 90c Straw attachment portion 30g, 60f, 90e Backflow prevention valve S Straw B PET bottles

Claims (9)

  A drinking container drinking apparatus comprising a drinking part and a lid part and used by being attached to a drinking mouth of a beverage container, wherein the drinking part is attached to a drinking mouth of the beverage container and A suction pipe is provided and a straw attachment part for attaching a straw is provided below, and an integrated molded product having a backflow prevention mechanism for a beverage from the beverage container is provided therein, and the lid part covers the drinking part so as to be opened and closed. A beverage container drinking apparatus characterized by the above.   2. The drinking device for beverage containers according to claim 1, wherein the drinking unit is attached to a drinking mouth of the beverage container through a main body of the lid.   2. The drinking device for beverage containers according to claim 1, wherein the drinking unit is attached to a drinking port of the beverage container by the drinking unit itself.   The drinking device for beverage containers according to any one of claims 1 to 3, wherein the backflow prevention mechanism is provided between the suction pipe and the straw attachment portion.   The drinking device for beverage containers according to any one of claims 1 to 4, wherein the backflow prevention mechanism is formed with a cut in a thin portion.   The drinking apparatus for beverage containers according to any one of claims 1 to 5, wherein the suction tube has flexibility.   The drinking device for beverage containers according to any one of claims 1 to 6, wherein the drinking portion is provided with a pressure adjusting hole for adjusting the air pressure in the beverage container.   The drinking device for beverage containers according to claim 7, wherein the lid portion is provided with a closing portion that closes the hole when closed.   The drinking device for beverage containers according to any one of claims 1 to 8, wherein the straw is a commercially available straw.

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