JP6133381B2 - Beverage container - Google Patents

Description

  The present invention relates to a beverage container used for carrying a beverage.

  Generally, beverage containers are divided into those with a cup and those with a drinking mouth. In the latter beverage container, the drinking mouth is attached to and detached from the shoulder cover having an annular portion. The annular part is attached to and detached from the upper part on the circumferential side of the container body. A lid is attached to the shoulder cover. The drinking mouth communicates with the inside of the container body, and has a mouth pad portion protruding from the annular portion of the shoulder cover, and the user can ingest a beverage with lips attached to the mouth pad portion. The lid opens and closes the drinking mouth.

  In this type of beverage container, it is necessary to prevent the drinking mouth from falling off the shoulder cover when the shoulder cover with the drinking mouth is attached to or detached from the container body. Conventionally, a structure that utilizes the adhesion between the seal surface molded on the inner periphery of the annular portion of the shoulder cover and the packing attached to the outer periphery of the drinking mouth has been employed as the fall-off prevention means (for example, patents) Reference 1).

  A lid according to this type of beverage container has a lid packing that closes the drinking mouth and an attachment portion that fits into the lid packing. Among them, there is one that employs a lid packing that is taken in and out of the mouth by opening and closing the lid. As this kind of lid packing, there is one having an upper tube portion that is in close contact with the mounting portion from the horizontal direction, and a lower tube portion that continues from the upper tube portion to the lower side. The lower cylinder portion closes the drinking mouth while causing a bending deformation that increases the contact area with the inner seal surface of the drinking mouth by an operation of closing the lid (for example, Patent Document 2).

JP 2010-126163 A (particularly FIG. 2) JP 2013-56680 A (particularly FIG. 1, paragraph 0039)

  However, the drop-off prevention means using the packing as in Patent Document 1 has a troublesome work of attaching and detaching the packing to the outer periphery of the drinking mouth. In addition, the number of parts has increased as packing is used.

  In the lid packing as in Patent Document 2, it is preferable to bend the lower cylinder part to some extent in order to improve the adhesion to the inner seal surface of the drinking mouth. The distance from the lower end of the mounting portion was close, and the amount of deflection was limited by the mounting portion.

  In view of the above-described background, a first problem to be solved by the present invention is to prevent a drinking mouth from falling off a shoulder cover of a beverage container without using packing and without increasing the number of parts.

  In view of the above background, the second problem to be solved by the present invention is to increase the adhesion of the lid packing to the inner seal surface of the drinking mouth of the beverage container.

According to a first aspect of the present invention for solving the first problem, a container main body, a shoulder cover attached to and detached from an upper portion on the peripheral side of the container main body, and a beverage dispensing channel communicating with the container main body are integrally formed. In a beverage container comprising a drinking mouth, a locking portion that detachably locks the drinking port to the shoulder cover, and a lid attached to the shoulder cover, the locking portion is an outer surface of the drinking mouth. A first locking piece formed integrally with the shoulder cover, and a second locking piece formed integrally with the inner surface of the shoulder cover and engaging the first locking piece to stop the drinking mouth on the shoulder cover. The structure provided with the locking piece. According to this configuration, since the locking portion is configured by the first locking piece and the second locking piece formed integrally with the drinking mouth and the shoulder cover, no packing is used and the number of parts is increased. Without dropping the drinking mouth with respect to the shoulder cover.

  For example, the shoulder cover and the drinking mouth take a first posture locked by the locking portion and a second posture unlocked, and the first posture and the first When taking the second posture, one or more of the first locking piece and the second locking piece may be bent and deformed. According to this, during the operation of changing the posture between the first posture and the second posture, the first locking piece or the second locking piece is bent and deformed. The mouth can be locked and the lock can be released.

  Further, the first locking piece is disposed on the upper side of the second locking piece, whereby the first locking piece and the second locking piece are engaged with each other so that the drinking mouth is It is preferable to stop on the shoulder cover. According to this, since the drinking mouth is locked from below with respect to the shoulder cover, the drinking mouth does not come off upward with respect to the shoulder cover. As a result, the drinking mouth is not used when the beverage container is used. Abrupt removal from the shoulder cover can be prevented.

  In addition, it is also preferable that a plurality of the first locking pieces and the second locking pieces are arranged at equal positions in the circumferential direction between the shoulder cover and the drinking mouth. According to this, since the latching | locking part is arrange | positioned with sufficient balance, a drinking mouth can be latched stably to a shoulder cover.

  Also, provided with a lid packing provided inside the lid and capable of closing the beverage pouring path, the first posture and the second posture by rotating the drinking mouth relative to the shoulder cover And the lid packing has a rotation restricting portion that abuts against the drinking mouth and restricts the rotation when the lid is closed from the first posture to the second posture. Is preferred. According to this, when the locking of the locking portion is about to be released, the rotation of the drinking mouth is restricted by the rotation restricting portion, so that the drinking mouth falls off the shoulder cover when the lid is closed. This can be prevented.

  That is, when removing the shoulder cover from the container body, the drinking mouth may come into contact with the upper part on the circumferential side of the container body. Then, there is a possibility that the transition from the first posture to the second posture, that is, the engagement between the shoulder cover and the drinking mouth is released by the rotation of the drinking mouth. If this rotation restricting portion is adopted, the rotation of the drinking mouth is restricted, so that the drinking mouth can be prevented from falling off the shoulder cover using the lid packing.

  More preferably, the drinking mouth has a mouth rest portion that extends in a manner that makes the beverage pouring path wide, and the rotation restricting portion abuts against an inner surface of the mouth rest portion. According to this, by providing the rotation restricting portion on the inside of the mouthpiece portion, that is, on the side of the beverage pouring path, it is possible to prevent the lid packing from becoming large and to avoid the enlargement of the lid.

In the present invention, an opening / closing support portion that supports the shoulder cover so that the lid can be opened and closed, and a locking release operation that is provided on a peripheral side portion of the shoulder cover and keeps the lid closed. An operation member and a lock piece movable inside the operation member are provided, and the lock piece is arranged at the first position to allow the release operation to be received, while the lock piece is a second piece. A locking portion that disables acceptance of the release operation by being disposed at a position, wherein the locking portion includes a first groove into which the operation member is fitted, a second groove into which the lock piece is fitted, The shoulder cover has a first opening communicating with the first groove and the second groove, and a second opening communicating with the second groove in a direction opposite to the first opening. , The lock piece includes the first opening and the second opening. It is preferable to slide behind the operating member while being held by said second groove. According to this, since the lock piece is held in the second groove, exposure to the inside of the shoulder cover can be suppressed. For this reason, when the shoulder cover is washed, the lock piece can be prevented from being caught, and the lock piece can be prevented from being damaged. In the conventional product, the shoulder cover is configured by combining at least two parts, that is, an outer member disposed on the outer side and an inner member disposed on the inner side. Therefore, there is no concern that the lock piece is caught when the shoulder cover is washed by sandwiching the lock piece between the two members. In comparison, if the lock pieces are held by the first opening, the second opening, and the second groove of the shoulder cover, the number of parts is reduced, and it is possible to realize cost reduction and weight reduction.

  More preferably, the second locking piece is formed of a flexible wall protruding from one place in the circumferential direction, and the operation member has a guard portion that covers the second locking piece from above. According to this, since the 2nd locking piece is flexible, the above-mentioned positive bending deformation is easily realizable. Moreover, it can prevent with a guard part that the 2nd latching piece which is easy to bend and deform is broken.

  A second invention for solving the second problem includes a container main body, a shoulder cover provided on the upper peripheral side of the container main body, and a drinking mouth formed with a beverage pouring path communicating with the container main body. A lid attached to the shoulder cover, the lid being attached in a manner extending from an inner surface, and attached in a manner covering the attachment portion, and opening and closing the lid, the beverage injection A lid packing that closes the exit path, and the lid packing has an upper cylindrical portion that is in close contact with the mounting portion in the horizontal direction, and a bottomed cylindrical lower cylindrical portion that extends from the upper cylindrical portion to the lower side. And the said lower cylinder part employ | adopted the structure which has the protrusion wall formed toward the internal diameter direction from the inner surface of the said lower cylinder part while arrange | positioning in the extension direction of the said attachment part. Here, the horizontal direction means a direction along the horizontal plane in a state where the beverage container is placed on the horizontal plane at the outer bottom surface of the container body and the lid is closed.

  According to the configuration of the second aspect of the invention, due to the protruding wall of the lower cylinder part, the bending deformation of the lower cylinder part becomes larger than that in which the attachment part enters the cylinder space of the lower cylinder part (for example, Patent Document 2), and the lid The adhesion of the sealing surface by the packing and the mouth part can be increased. Furthermore, the resistance to bending deformation is increased in the vicinity of the protruding wall of the lower cylindrical portion, and the adhesion of the sealing surface can be further increased. Furthermore, since the protruding wall can be pressed from above at the lower end of the mounting portion with the lid closed, the elastic repulsion of the lower tube portion can be effectively acted as an adhesion force. Thus, 2nd invention can raise the adhesive force of the lid packing with respect to the inner side sealing surface of the drinking mouth of a drink container.

  For example, the outer diameter of the lower cylinder part may be smaller than the outer diameter of the upper cylinder part. According to this, since the protruding wall of the lower cylinder part is pushed over the entire circumference by the mounting part and is easily bent toward the inside of the cylinder space, the elastic force can be improved more easily than the reverse case.

  For example, the protruding wall may be located at a boundary between the upper tube portion and the lower tube portion. According to this, since the upper tube portion is in close contact with the attachment portion from the horizontal direction and the protruding wall is in contact with the end portion of the attachment portion, the lid packing can be easily positioned with respect to the attachment portion. Moreover, since the shape of the whole lid packing is maintained by the protruding wall, it is possible to prevent the upper tube portion from being bent inward.

  For example, the attachment portion may be formed in a hollow shape. According to this, when the attachment portion is integrally formed with the lid, sink marks near the upper surface of the lid that corresponds to the back side can be suppressed.

  For example, the attachment portion may have a slit formed in the extending direction, and the upper tube portion may have a ridge wall that fits into the slit. According to this, the fixing property with respect to the attaching part of the lid packing can be improved by the protruding wall and the slit.

  As described above, the first invention can prevent the mouth from falling off the shoulder cover of the beverage container without using packing and without increasing the number of parts.

  As described above, the second invention can enhance the adhesion of the lid packing to the inner seal surface of the drinking mouth of the beverage container.

(A) is a longitudinal cross-sectional view which shows a mode when the shoulder cover of the drink container which concerns on embodiment is removed normally, (b) is a longitudinal cross-sectional view which shows the effect | action of the drop-off prevention means which concerns on embodiment. Partial longitudinal cross-sectional view near the upper part of the beverage container according to the embodiment The perspective view of the lid set of the drink container concerning an embodiment FIG. 3 is an exploded perspective view of the lid set of FIG. The expansion perspective view from another direction of the drinking mouth of FIG. (A) is sectional drawing which shows a mode at the time of latching the latching | locking part which concerns on embodiment, (b) is sectional drawing which shows a mode that the said latching | locking part was latched. (A) is a partially cutaway front view showing the locked state of the lock part according to the embodiment, (b) is a cross-sectional view of the vicinity of the lock part in the same state (A) is a partially cutaway front view showing an unlocked state of the lock portion, and (b) is a cross-sectional view of the vicinity of the lock portion in the same state. (A) is a perspective view of the lid packing according to the embodiment, (b) is a longitudinal sectional view of the lid packing, (c) is a side view of the lid packing, and (d) is a bottom view of the lid packing.

  Hereinafter, a beverage container according to an embodiment will be described with reference to the accompanying drawings. As shown in FIGS. 1 and 2, the beverage container includes a container body 1 and a lid set 2. The container body 1 can stand on a horizontal plane at the outer bottom surface. The container body 1 is a liquid container that has a beverage storage chamber 3 and a container opening 4 opened on the upper surface, and is integrally handled when used by a user. The lid set 2 can seal the container opening 4 in a watertight manner. Hereinafter, the vertical direction perpendicular to the horizontal plane in a state where the container body 1 is erected on the horizontal plane is abbreviated as “vertical direction”. The direction along the horizontal plane is referred to as “horizontal direction”. Moreover, the concept of up and down refers to up and down in the vertical direction. The circumferential direction refers to the direction around the vertical line.

  The container body 1 is composed of a stainless steel thermos. The beverage storage chamber 3 can store a predetermined volume of beverage. The container port 4 is opened upward. The container port 4 communicates with the beverage storage chamber 3 and the outside with the lid set 2 removed from the container body 1. A male screw 5 is formed on the outer periphery of the upper portion on the peripheral side of the container body 1. The container main body 1 does not need to be composed of a single thermos bottle as in the illustrated example, and can be composed of a plurality of members.

  The lid set 2 includes a shoulder cover 6, a drinking mouth 7, a lid 8, a locking portion, and a lock portion.

  As shown in FIGS. 2 to 4, the shoulder cover 6 has an annular portion 9 that is integrally formed. An internal thread 10 is formed on the inner periphery of the annular portion 9. The shoulder cover 6 is attached to and detached from the upper peripheral side of the container body 1 by a screw structure including the male screw 5 and the female screw 10. The axis of this screw structure is set in the vertical direction.

  The drinking mouth 7 is attached to and detached from the shoulder cover 6. The drinking mouth 7 includes a pipe member 11 and a packing 12 provided on the side of the beverage storage chamber 3 of the pipe member 11. The pipe member 11 includes a mouth pad 13 that protrudes upward from the inner periphery of the annular portion 9, and a beverage dispensing passage 14 that communicates with the beverage storage chamber 3 and the outside. The beverage dispensing path 14 is formed integrally with the pipe line member 11 and forms a series of flow paths through the container port 4 to the outside. The mouthpiece 13 extends in such a manner that the beverage pouring path 14 is widened. Since the packing 12 is fitted on the outer periphery of the pipe member 11, the space between the inner periphery of the container port 4 and the drinking port 7 is sealed in a watertight manner.

  The lid 8 is attached to the shoulder cover 6. Specifically, the lid 8 is supported so as to be opened and closed by rotating with respect to the shoulder cover 6.

  The said latching | locking part latches the drinking mouth 7 so that attachment or detachment is possible to the shoulder cover 6, as shown to Fig.1 (a) and FIG. This locking is intended to prevent the drinking mouth 7 from falling off the shoulder cover 6 when the shoulder cover 6 is attached to and detached from the container body 1 with the drinking mouth 7 attached to the shoulder cover 6. What is necessary is just to be able to restrict the downward movement of the drinking mouth 7 relative to the cover 6.

  The illustrated locking portion includes first locking pieces 21 a and 21 b that are integrally formed on the outer side surface of the pipe member 11 and a first shape that is integrally formed on the inner surface of the annular portion 9 of the shoulder cover 6. 2 locking pieces 22a and 22b. FIG. 1A shows a cross section cut along a virtual vertical plane passing through the circumferential center of the first locking pieces 21a and 21b and the second locking pieces 22a and 22b. This virtual vertical plane includes the axis of the screw structure described above.

  The first locking pieces 21 a and 21 b and the second locking pieces 22 a and 22 b are arranged at equal positions in the circumferential direction between the annular portion 9 of the shoulder cover 6 and the pipe line member 11 of the drinking mouth 7. Has been.

  Specifically, the first locking piece 21a and the second locking piece 22a are engaged with each other in the vertical direction at one place in the circumferential direction, and the first locking piece 21a and the second locking piece 22a are located at a position 180 ° opposite to the circumferential direction. The locking piece 21b and the second locking piece 22b are provided so as to be engaged in the vertical direction.

  As shown in FIG. 1A and FIG. 4, the first locking piece 21 a includes a wall portion that protrudes from one place of the pipe member 11 toward the annular portion 9 in the horizontal direction. . The first locking piece 21a has a curved cross section.

  The second locking piece 22a is composed of a flexible wall protruding from one place in the circumferential direction of the annular portion 9. The protruding direction is directed toward the horizontal direction with respect to the drinking mouth 7.

  As shown in FIGS. 1 (a), 4 and 5, the first locking piece 21b is a plate protruding from one place of the pipe member 11 toward the annular portion 9 in the horizontal direction. It consists of a wall part.

  As shown in FIG. 1A and FIG. 4, the second locking piece 22 b is formed of a wall portion that is recessed toward one side of the annular portion 9 in the horizontal direction with respect to the drinking mouth 7.

  As shown in FIGS. 1 and 6, the shoulder cover 6 and the drinking mouth 7 have a first posture locked by the locking portion and a second posture released from the locking. The drinking mouth 7 rotates with respect to the shoulder cover 6 so that the first posture and the second posture are taken.

Specifically, as shown in FIG. 6A, the locking portion is inserted into the annular portion 9 from the lower side of the shoulder cover 6 so that the drinking mouth 7 is indicated by a solid line in FIG. When the mouth 7 is rotated so that the mouth 7 is tilted with respect to the above-described screw axis, as indicated by a two-dot chain line, the first locking piece 21a becomes the second locking piece 22a. The first locking piece 21b is arranged below the second locking piece 22b. If the raising / lowering operation which eliminates the inclination of the drinking mouth 7 from this state is performed, the 1st locking piece 21b will get over the 2nd locking piece 22b from the bottom to the top. During this time, the second locking piece 22a is pushed by the vicinity of the first locking piece 21a, and as a result, bending deformation of an elastic deformation mode in which the second locking piece 22a is warped upward is generated. Therefore, the first locking piece 21b easily gets over the second locking piece 22b. When it gets over, the second locking piece 22a recovers elastically, and the first locking piece 21b is arranged above the second locking piece 22b (first posture). Thus, by arrange | positioning the 1st locking pieces 21a and 21b above the 2nd locking pieces 22a and 22b, the said 1st locking pieces 21a and 21b and the said 2nd locking pieces 22a 22b are engaged to stop the drinking mouth 7 on the shoulder cover 6. In this way, when the drinking mouth 7 is locked to the shoulder cover 6 and the lid 8 is opened, if the turning operation of tilting the drinking mouth 7 toward the first locking piece 21b is performed, the second engagement is also performed. Since the stop piece 22a is pushed by the vicinity of the first locking piece 21a, the first locking piece 21b easily gets over the second locking piece 22b from top to bottom. Next, when the first locking piece 21a is simply removed downward from the second locking piece 22a, the drinking mouth 7 is removed from the shoulder cover 6 (second posture). Thereby, the above-mentioned latching can be cancelled | released completely.

  As described above, the beverage container is formed integrally with the first locking pieces 21 a and 21 b formed integrally with the duct member 11 of the drinking mouth 7 and the annular portion 9 of the shoulder cover 6. The second locking pieces 22a and 22b constitute the locking portion that detachably locks the drinking mouth 7 to the shoulder cover 6, so that no shoulder is used and the number of parts is not increased. It is possible to prevent the mouth 7 from dropping off from the cover 6.

  In addition, since at least the second locking piece 22a is elastically deformed when the posture is changed between the first posture and the second posture, the beverage container can be easily The drinking mouth 7 can be locked or the locking can be released.

  Moreover, since this drink part comprises the said latching | locking part with the minimum required latching piece 21a, 21b, 22a, 22b, the above-mentioned latching etc. can be made especially easy.

  Further, in this beverage container, the locking pieces 21a, 21b, 22a, 22b constituting the locking portion are arranged in a balanced manner in the circumferential direction, so that the drinking mouth 7 is stably locked to the shoulder cover 6. be able to.

  Moreover, since this drink container becomes what the drinking mouth 7 is latched from the downward direction with respect to the shoulder cover 6, the 2nd latching pieces 22a and 22b are the 1st latching pieces 21a and 21b from the bottom. Receive and engage in the vertical direction. For this reason, the drinking mouth 7 does not come off the shoulder cover 6 upward. Therefore, this beverage container can prevent the drinking mouth 7 from being unexpectedly detached from the shoulder cover 6 during use.

  Note that the raising / lowering operation can be performed until the flange 23 provided on the lower side of the second locking piece 22b of the pipe member 11 hits the lower end of the annular portion 9 as shown in FIG. . The flange portion 23 is in contact with the lower end of the annular portion 9. At the time of screwing, the propulsive force of the annular portion 9 is transmitted to the flange portion 23, whereby the drinking mouth 7 is lowered integrally with the annular portion 9 in the vertical direction. Of the annular portion 9 and the pipe member 11, the pipe member 11 is placed on the annular portion 9 at the same height as the first locking pieces 21 a and 22 a and the second locking pieces 21 b and 22 b. A mating surface that is stabilized in a direction other than the tilt direction is formed.

  As shown in FIGS. 2 and 3, the beverage container includes an opening / closing support portion 24 that supports the lid 8 on the shoulder cover 6 so that the lid 8 can be opened and closed. The opening / closing support part 24 includes a hinge shaft and a shaft hole portion through which the hinge shaft is inserted.

  The lid 8 that receives the closing rotation operation is automatically locked and kept in a closed state. The beverage container includes an operation member 25 that receives an unlocking operation for keeping the lid 8 closed.

  The said lock part is provided in the surrounding side part of the shoulder cover 6 as shown in FIGS. 1-4, and is for locking the operation member 25. FIG. The lock portion includes a lock piece 26 that can move inside the operation member 25. The lock piece 26 can be received by the lock piece 26 being disposed at the first position. By disposing at the second position, the release operation cannot be accepted.

  Specifically, as shown in FIGS. 2, 4, and 7, the lock portion includes a first groove 27 for fitting the operation member 25, a second groove 28 for fitting the lock piece 26, and a first groove The first opening 29 that communicates with the groove 27 and the second groove 28 and the second opening 30 that communicates with the second groove 28 in a direction opposite to the first opening 29 are formed on the shoulder cover 6. It has in the annular part 9. The lock piece 26 slides behind the operation member 25 while being held by the first opening 29, the second opening 30, and the second groove 28. The second groove 28 guides the lock piece 26 in the circumferential direction.

  Since the lock piece 26 is held in the second groove 28, exposure to the inside of the shoulder cover 6 can be suppressed. For this reason, in this beverage container, it is possible to avoid the lock piece 26 from being caught by the groove bottom wall of the second groove 28 when washing the shoulder cover 6, and to prevent the lock piece 26 from being damaged. In this beverage container, the portion of the lock piece 26 that enters and exits the first and second openings 29 and 30 is always located outside the inner diameter of the groove bottom wall of the second groove 28. Therefore, it is possible to make it difficult for the lock piece 26 to be hooked.

  The lock piece 26 has a baffle portion 31 that regulates the release operation behind the operation member 25. As shown in FIGS. 7 and 8, the baffle portion 31 is put in and out of the lower side of the operation member 25 through the first opening 29.

  As shown in FIG. 2, the operation member 25 can swing around a shaft 32 supported by the first groove 27. A return spring 33 is interposed between the operation member 25 and the groove bottom surface of the first groove 27.

  The lid 8 has a hook portion 34 that is hooked on the upper end portion of the operation member 25. As shown in FIG. 8, when the baffle portion 31 is not located behind the lower side of the operation member 25 (lock release position), the hook portion 34 is removed from the operation member 25 by pushing the lower side of the operation member 25. Thereby, the locking of the lid 8 is released. As shown in FIG. 7, when the baffle portion 31 is located behind the lower side of the operation member 25 (lock position), the operation member 25 is prevented from being pushed in and the lock release of the operation member 25 is restricted.

  As shown in FIGS. 4, 7, and 8, the lock piece 26 has a click arm portion 35. The click arm portion 35 is put in and out of the upper side of the operation member 25 through the first opening 29. The annular portion 9 has a click resistance portion 36 that protrudes downward with respect to the click arm portion 35. When the lock piece 26 is in the locked position, the upward chevron surface of the click arm portion 35 gets over the click resistance portion 36, so the baffle portion 31 is maintained in the locked position. By the operation of sliding the lock piece 26 toward the second opening 30 in the circumferential direction from the lock position, the upward chevron surface gets over the click resistance portion 36, and the baffle portion 31 reaches the lock release position.

The lock piece 26 is fitted in the second groove 28 while first inserting the baffle portion 31 and the click arm portion 35 into the opening 29 and then slides along the groove 28 toward the second opening 30 side. Are incorporated into the first opening 29, the second opening 30, and the second groove 28. In this way, the beverage container can be attached to the shoulder cover 6 with the annular portion 9 and the separate member while realizing the attachment of the lock piece 26 that hides the baffle portion 31 with the operation member 25. The number can be reduced.

  As shown in FIG. 2, the first groove 27 is located on the virtual vertical plane. As illustrated in FIGS. 2 and 3, the operation member 25 includes a guard portion 37 that covers the second locking piece 22 a from above. The guard part 37 prevents the second locking piece 22a from colliding with another object from above. Further, when the second locking piece 22a is abnormally pushed upward due to abnormal pressing when the drinking mouth 7 is locked, collision from the bottom of another object, etc., the guard portion 37 An abnormal bending deformation is prevented by contacting the locking piece 22a. Therefore, the beverage container can prevent the second locking piece 22a from being broken by the guard portion 37 of the operation member 25.

  The operation member 25 and the hook portion 34 are configured to lock the lid 8 in two stages using a guard portion 37. That is, after the operating member 25 is once removed from the hook portion 34, the guard portion 37 is hooked toward the inward hook of the hook portion 34 to re-lock the lid 8, and the lower side of the operating member 25 is further pushed. Then, the guard part 37 is detached from the hook part 34 and the lid 8 can be opened completely.

  As shown in FIGS. 2 to 4, the lid 8 forms a lid packing 38 that can close the beverage pouring path 14, an attachment portion 39 to which the lid packing 38 is fitted, and an upper surface of the lid 8. And an outer shell member 40. The lid packing 38 is provided inside the outer shell member 40 of the lid 8. The attachment portion 39 is provided in a manner extending from the inner side surface of the outer shell member 40. The lid packing 38 is attached in a manner covering the attachment portion 39. The lid packing 38 is put into and out of the inner space of the mouthpiece 13 of the drinking mouth 7 by opening and closing the lid 8 and opens and closes the beverage dispensing path 14. The outer shell member 40 covers the drinking mouth 7 from above.

  The entire outer shell member 40 is integrally formed of synthetic resin. The attachment part 39 is formed in a hollow shape. The inside of the attachment portion 39 is opened downward from the outer shell member 40. The outer shell member 40 is formed by a mold that is separated into upper and lower parts. The attachment portion 39 is formed integrally with the outer shell member 40. At this time, the attachment portion 39 formed of a surface opened downward does not have a surface portion that becomes an undercut, and can be easily released. Further, in the upper surface portion of the outer shell member 40 located on the back side of the attachment portion 39, sink marks due to molding shrinkage can be suppressed by hollow shaft-shaped meat stealing.

  As shown in FIG. 1A, the drinking mouth 7 communicates with the inside of the beverage storage chamber 3 only through the opening defined by the inner seal surface 44. When the lid 8 is not opened for a long time after putting a hot beverage, the beverage temperature is lowered in the beverage storage chamber 3, and the inside of the beverage storage chamber 3 becomes negative with respect to the atmospheric pressure. The lid 8 will open against negative pressure. The lid 8 can be forcibly opened against negative pressure by utilizing the excellent elastic resilience of the lower cylinder portion 43. It should be noted that this forceful opening also contributes to the elastic repulsion of the illustrated hinge spring. When the lid packing 38 is attached only by fitting the lid packing 38 and the hollow shaft-like attachment portion 39 in this way, even if the air hole is made in the drinking mouth, a portion for closing the air hole cannot be made in the lid packing 38. . Even if the closed portion of the air hole is made, there is no portion to be pressed from above, and it is difficult to form such a wall integrally with the outer shell member 40 due to the problem of sink marks. It must be a member and is not preferred.

  As shown in FIGS. 1A and 4, the attachment portion 39 has a slit 41 formed in the extending direction. The slit 41 includes a wall surface facing in the circumferential direction and a downward wall surface connecting the wall surfaces.

The entire lid packing 38 is integrally formed. The material of the lid packing 38 is, for example,
Silicone rubber.

  The lid packing 38 has an upper tube portion 42 and a lower tube portion 43 as shown in FIGS. 1 (a), 4, and 9. The upper cylinder portion 42 is formed of a portion having an inner surface that is in close contact with the attachment portion 39 from the horizontal direction. The lower cylindrical portion 43 has a bottomed cylindrical shape that continues from the upper cylindrical portion 42 to the lower side.

  The lower cylinder portion 43 closes the drinking mouth 7 while causing bending deformation that increases the contact area with the inner seal surface 44 of the drinking mouth 7 by the operation of closing the lid 8. The inner seal surface 44 is formed on the inner periphery of the pipe line member 11. The state in which the lid 8 is closed refers to a state in which the lid 8 is locked at a position where the drinking mouth 7 can be kept watertight and airtightly closed by the close contact between the inner sealing surface 44 and the lid packing 38.

  The attachment portion 39 exists only at a higher position (base end side) than the lower tube portion 43. Therefore, since this beverage container restricts the attachment portion 39 only at a higher position than the lower cylinder portion 43, the bending deformation of the lower cylinder portion 43 that is in close contact with the inner seal surface 44 is increased, Adhesion can be increased.

  The lower cylinder portion 43 is disposed in the extending direction of the attachment portion 39 and has a projecting wall 45 formed from the inner surface of the lower cylinder portion 43 toward the inner diameter direction. The protruding wall 45 is composed of an annular wall that branches so as to protrude into the cylindrical space of the lower cylindrical portion 43. In the vicinity of the projecting wall 45, the resistance of the peripheral wall is enhanced against the bending deformation in which the peripheral wall of the lower cylindrical portion 43 tends to fall inward. Therefore, this beverage container can increase resistance to bending deformation near the branch of the projecting wall 45 of the lower cylindrical portion 43, and thus can increase the adhesion with the inner seal surface 44. Although it is possible to change to one or a plurality of protruding walls partially protruding in the circumferential direction, it is preferable to increase the resistance over the entire circumference.

  The protruding wall 45 is pushed from above onto the lower end of the mounting portion 39 with the lid 8 closed. Therefore, since this beverage container can hold down the protruding wall 45 from above at the lower end of the mounting portion 39 with the lid 8 closed, the inner sealing surface effectively uses the improved elastic repulsion of the lower cylindrical portion 43 as an adhesion force. 44 can be applied.

  The protruding wall 45 is located at the boundary between the upper tube portion 42 and the lower tube portion 43. When the attachment portion 39 is fitted inside the lid packing 38, the upper tube portion 42 comes into close contact with the attachment portion 39 from the horizontal direction. At this time, the protruding wall 45 comes into contact with the lower end of the mounting portion 39. Therefore, when the lid 8 is closed, the beverage container prevents the upper cylinder portion 42 from being bent inward by the pressing of the lower cylinder portion 43 against the inner seal surface 44 by the contact between the protruding wall 45 and the lower end of the mounting portion 39. Can do.

  The outer diameter of the lower cylinder part 43 is formed smaller than the outer diameter of the upper cylinder part 42. For this reason, the peripheral wall of the lower cylinder part 43 is located under the attachment part 39 over the perimeter and the whole height. Therefore, this beverage container closes the lid 8 so that the peripheral wall of the lower cylindrical portion 43 is pushed from the top over the entire circumference by the mounting portion 39 and is easily bent to the inside of the cylindrical space. It is easy to improve the elastic force.

  The upper tube portion 42 has a ridge wall 46 that fits into the slit 41. The contact area with the attachment portion 39 is increased within a range limited to the upper cylindrical portion 42 by the slit 41 and the protruding wall 46. Further, since the slit 41 and the protruding wall 46 are engaged in the circumferential direction, the twist resistance of the upper tube portion 42 is increased, and rotation prevention is also realized. Therefore, this beverage container can improve the fixing property of the lid packing 38 to the attachment portion 39 by the protruding wall 46 and the slit 41.

  The protruding wall 46 is preferably continuous with the protruding wall 45. The upward deformation of the projecting wall 45 can be prevented by the resistance of the projecting wall 46.

  The upper cylinder part 42 has a rotation restricting part 47. The rotation restricting portion 47 abuts on the drinking mouth 7 when taking the second posture from the first posture with the lid 8 closed, and restricts the rotation of the drinking mouth 7 with respect to the shoulder cover 6. .

  Specifically, the rotation restricting portion 47 includes a solid projecting wall located on a virtual vertical plane passing through the first locking piece 21a and the second locking piece 22a. The rotation restricting portion 47 protrudes toward the pipe member 11 at a position facing the inner wall surface of the pipe member 11 in the horizontal direction.

  As shown to Fig.1 (a), in order to prevent the rotation control part 47 and the drinking mouth 7 from contacting, the clearance gap is set among these. When the lid 8 is opened and closed in a state where the drinking port 7 is locked with respect to the shoulder cover 6 by the locking portion, the rotation restricting portion 47 does not contact the drinking port 7, which obstructs the operation of the lid 8. Don't be.

  As shown in FIG. 1 (b), when the shoulder cover 6 locked with the drinking mouth 7 is removed from the container body 1, the drinking mouth 7 may come into contact with the upper part on the peripheral side of the container body 1. Then, accidentally, the transition from the first posture to the second posture due to the rotation of the drinking mouth 7, that is, the first locking piece 21 a comes off from the upper side of the second locking piece 22 a and is engaged in the vertical direction. There is a possibility that the posture changes such that the engagement between the shoulder cover 6 and the drinking mouth 7 can be released. When such a rotation of the drinking mouth 7 occurs, the rotation restricting portion 47 contacts the inner surface of the mouthpiece 13 before the drinking mouth 7 is dropped. As a result, the rotation of the drinking mouth 7 is suppressed by the resistance of the rotation restricting portion 47, and the first locking piece 21a is held at a position where it cannot be removed from above the second locking piece 22a. Therefore, this beverage container normally causes the unlocking by the user's erroneous removal operation by the rotation restricting portion 47 of the lid packing 38 while preventing the rotation restricting portion 47 from obstructing the closing of the lid 8. Even when the obtained drinking mouth 7 rotates, the drinking mouth 7 can be prevented from falling off the shoulder cover 6. If the packing is removed from the inner periphery of the container main body 1, the posture of the drinking mouth 7 is caused by the elastic repulsion of the rotation restricting portion 47, so that the prevention of the dropping mouth 7 from falling off is maintained in an effective state.

  In addition, as shown in FIG. 1 (b), the beverage container limits the rotation restricting portion 47 to a virtual vertical plane passing through the first and second locking pieces 21a, 22a, 21b, and 22b. Therefore, it is only necessary to form a solid protruding wall on the lid packing 38 in two or less places in the circumferential direction.

  If the material saving of the lid packing 38 is prioritized, the rotation restricting portion 47 is formed only at one place in the circumferential direction closer to the first and second locking pieces 21a and 22a as shown in the illustrated example. That's fine. If the fall prevention is particularly important, the rotation restricting portion 47 may be formed over the entire circumference of the lid packing 38.

  Further, the contact destination when the rotation restricting portion 47 prevents the drinking mouth 7 from falling off is limited to the inner surface of the mouthpiece 13. That is, in this beverage container, the rotation restricting portion 47 is provided on the inner surface of the mouthpiece 13, that is, on the side of the beverage dispensing path 14, thereby preventing the lid packing 38 from becoming large, and consequently the lid 8 being enlarged. Can be avoided. In addition, if the enlargement of the lid packing does not become a problem, for example, the rotation restricting portion may be formed in a hook shape that is hooked from the outside to the flange portion formed at the tip edge of the mouthpiece mouthpiece.

  The technical scope of the present invention is not limited to the above-described embodiment, but includes all modifications within the scope of the technical idea based on the description of the scope of claims.

  For example, in the embodiment, when the first posture and the second posture are taken, the second locking piece causes the bending deformation. However, the first locking piece causes the bending deformation. Alternatively, both the first locking piece and the second locking piece may be bent and deformed.

  Further, when the first locking piece and the second locking piece stop the drinking mouth on the shoulder cover, the second locking piece is arranged on the upper side of the first locking piece. May be.

  Moreover, although the 1st locking piece and the 2nd locking piece shall be arrange | positioned in the circumferentially equal position between the shoulder cover and the drinking mouth, it was not necessary to be equal. Also, the number may not be plural.

  In addition, although the rotation restricting portion is in contact with the inner side surface of the mouthpiece portion of the drinking mouth, it may be in contact with other places such as the outer side surface.

  Moreover, although the operating member has a guard part, the guard part may be omitted.

  Moreover, although the outer diameter of the lower cylinder part shall be shape | molded smaller than the outer diameter of an upper cylinder part, it does not need to be small.

  In addition, although the protruding wall is located at the boundary between the upper cylindrical portion and the lower cylindrical portion, it may not be the boundary.

  Moreover, although the attachment part shall be formed in the hollow shape, it does not need to be hollow.

DESCRIPTION OF SYMBOLS 1 Container main body 6 Shoulder cover 7 Drinking mouth 8 Cover 9 Annular part 11 Pipe line member 13 Mouth part 14 Beverage extraction path 21a, 21b 1st locking piece 22a, 22b 2nd locking piece 25 Operation member 26 Lock piece 27 first groove 28 second groove 29 first opening 30 second opening 31 baffle part 37 guard part 38 lid packing 39 attachment part 40 outer shell member 41 slit 42 upper cylinder part 43 lower cylinder part 44 inner seal surface 45 Projection wall 46 Projection wall 47 Rotation restriction part

Claims (3)

A container main body, a shoulder cover provided on the upper peripheral side of the container main body, a drinking mouth in which a beverage pouring path communicating with the container main body is formed, and a lid attached to the shoulder cover,
The lid has a hollow shaft-shaped attachment portion provided in a manner extending from the inner surface, and a lid packing attached in a manner covering the attachment portion and closing the beverage dispensing path by opening and closing the lid. And
The lid packing has an upper cylindrical portion that is in close contact with the hollow shaft-shaped attachment portion from the horizontal direction, and a bottomed cylindrical lower cylindrical portion that continues from the upper cylindrical portion to the lower side,
The lower tube portion is
While being arranged in the extending direction of the hollow shaft-shaped mounting portion,
Have a projecting wall formed from branched circular wall so as to protrude into the cylindrical space toward the inner diameter direction from the inner surface of the lower tubular portion,
The outer diameter of the lower cylinder part is formed smaller than the outer diameter of the upper cylinder part,
The beverage container , wherein the peripheral wall of the lower cylinder part is pushed over the entire circumference by pushing the protruding wall of the annular wall from above at the lower end of the hollow shaft-shaped attachment part . The beverage container according to claim 1, wherein the protruding wall is located at a boundary between the upper tube portion and the lower tube portion. The beverage container according to claim 1 or 2 , wherein the attachment portion has a slit formed in an extending direction, and the upper tube portion has a protruding wall that fits into the slit.

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