JP5236768B2 - Beverage container closure - Google Patents

Description

  The present invention relates to a stopper for a beverage container.

  A cylindrical mouthpiece member that is detachably attached to the mouth portion of the container body as a beverage container stopper, and a lid that is coupled to the mouthpiece member via a hinge shaft to open and close the upper opening of the mouthpiece member A stopper for a liquid container provided with a body is known (Patent Document 1). In such a plug body, since the spout member cannot be disassembled integrally, there is a concern that the plug body cannot be cleaned every corner.

  For this reason, it is assumed that the plug body can be disassembled so that the plug body of the beverage container can be easily washed, and a plug body with a drinking mouth or a spout is attached to and detached from the bottom of the plug cover (Patent Documents 2 to 4) ), The lower side of the plug body is attached and detached from below (Patent Documents 5 and 6), the upper part of the plug is attached to and detached from the upper side of the plug body (Patent Documents 7 to 10), and the inner plug part is attached to the plug cover A device that can be attached and detached from above (Patent Documents 11 and 12) is known.

Japanese Patent No. 3620042 Japanese Patent No. 3904899 JP 2009-274731 A JP 2008-239177 A Japanese Patent No. 2735091 Japanese Patent No. 2672258 JP 2003-144338 A Japanese Patent No. 3551081 JP 2006-187532 A JP-A-8-71005 Japanese Patent No. 2611692 Utility Model Registration No. 2568203

  In Patent Documents 2 and 4, the inner and outer plug fitting and attaching / detaching portions have a structure that is prevented by an elastic member such as packing to prevent the inner plug from being displaced or dropped. Moreover, although it is a structure without an elastic member in patent document 3, it slip | deviated reliably and omission cannot be avoided, for example, the stopper lid was closed in the state which fitted the outer stopper in the state removed from the container main body. When it slips out, dropout occurs. On the other hand, Patent Document 2 has a structure that separates and disassembles the stopper lid, and Patent Document 4 is composed of an inner tube and an inner cylinder, which increases the number of parts and makes the attachment / detachment operation complicated, resulting in loss of parts. There are also concerns.

  In Patent Documents 5 and 6, the valve body is attached / detached from below, but since there is no appearance change element exposed to the upper outer surface by the operation, it is difficult to determine the attachment / detachment state and the completion of the attachment / detachment operation from the viewpoint, Insufficient attachment / detachment due to operation mistakes or forgetting to attach may occur, causing leakage. In addition, the structure is such that it does not come off and does not fall off after being securely fitted, but the structure is complicated, and there is a problem that the operability at the time of removal is not simple and clear.

  In Patent Documents 7 to 10, since the upper part of the stopper is attached and detached from above, it is easy to check the attachment / detachment state and the completion of the attachment / detachment operation, but the valve body cannot be separated and remains integrated with the stopper body. The roads are not completely opened, and the cleaning performance is not improved sufficiently by disassembling the parts.

  In Patent Documents 11 and 12, since the inner plug part is attached / detached from above, it is easy to confirm the attachment / detachment state and completion of the attachment / detachment operation, but the valve body cannot be separated and remains integral with the inner plug part. The flow paths are not completely opened, and the cleaning performance is not improved sufficiently by disassembling the parts.

  The problem to be solved is that the plug body is separated and decomposed to improve the cleaning property, and further, the operation of separating and disassembling the plug body can be performed easily and reliably, improving the visibility and operational feeling, and mounting. It is possible to clearly recognize the difference in appearance between the state and the separated state, to prevent operation mistakes such as insufficient attachment or forgetting to attach, and to securely hold the attachment state and prevent displacement and dropout.

  The stopper of the beverage container according to claim 1 comprises a stopper main body that is detachably attached to the mouth of the container main body, and a lid that can be freely opened and closed on the stopper main body. An outer plug portion having an upper opening and an inner plug portion having a liquid passage hole detachably attached to the upper opening of the outer plug portion from below, and a locking member attached to the inner plug portion A locking receiving portion is provided in the upper opening of the outer plug portion, and the locking member of the inner plug portion is exposed above the upper opening of the outer plug portion and is detachably locked. .

  According to a second aspect of the present invention, there is provided a beverage container plug according to the first aspect, wherein the upper opening of the outer plug portion is an inward ridge, and the outer periphery of the inner plug portion is locked to the lower portion of the inward ridge of the outer plug portion. A possible lower outward flange is provided, and an upper outward flange that can be locked to the upper portion of the lock receiving portion of the outer plug portion is provided on the locking member of the inner plug portion.

  According to a third aspect of the present invention, there is provided the plug of the beverage container according to the first or second aspect, wherein the locking member of the inner plug portion is provided so as to be able to advance and retract inward, and the inner plug portion is attached to and detached from the outer plug portion. Further, the locking member is locked or unlocked by advancing and retracting inward with respect to the locking receiving portion.

  The stopper of the beverage container according to claim 4 is any one of claims 1 to 3, and the locking member of the inner stopper can be rotated to a lower position of the lower outwardly facing bag of the inner stopper. An operating portion is provided above the upper outwardly facing flange, and the inner plug portion is locked to the outer plug so that the operating portion is exposed above the upper opening of the outer plug portion. Features.

  The stopper of the beverage container according to claim 5 is the plug container according to claim 4, further comprising an urging means for urging the locking member outward between the inner plug portion and the locking member. Features.

  The stopper of the beverage container according to claim 6 is the alignment according to any one of claims 1 to 5, wherein the inner stopper is fitted relatively to the outer stopper when the inner stopper is attached to the outer stopper. One of the positioning projection and the positioning receiving portion is provided on the inner plug portion, and the other is provided on the outer plug portion.

  The stopper of the beverage container according to claim 7 is the stopper according to any one of claims 1 to 6, wherein the lid has a locking member for the inner stopper in the state where the lid closes the stopper body. The present invention is characterized in that a barrier portion for preventing inward and backward movement is provided.

  The stopper of the beverage container according to claim 8 is the stopper according to any one of claims 1 to 7, wherein a drinking mouth or a spout is provided on the front upper surface of the inner stopper portion, and the end of the drinking mouth or the spout is the end. A recessed portion for accommodating the upper portion of the locking member is provided, the upper portion of the locking member is disposed at a position connected to the drinking port or the spout, and the locking member inwardly protrudes in a direction covering the upper end of the recessed portion. Is provided on the locking member, and the upper end of the recess and the inward hook of the locking member are inclined so as to rise toward the drinking mouth or the spout side.

  The stopper of the beverage container according to claim 9 is the plug member according to any one of claims 1 to 8, wherein the locking member is a pair of hook members provided on opposite sides of the inner stopper portion, A pair of the locking receiving portions are provided opposite to each other on both sides of the plug body so as to face the hook member.

  According to the first aspect of the present invention, the plug body includes an outer plug portion and an inner plug portion that is detachably provided on the outer plug portion, and the plug body is completely removed by removing the inner plug portion. Can be washed. And since the locking member of the inner plug part is exposed above the upper opening of the outer plug part and is detachably locked, it can be visually confirmed that the inner plug part is securely attached to the outer plug part. It is possible to avoid problems such as leakage due to sufficient or forgotten installation.

  According to the invention of claim 2, the inner plug portion is attached to the outer plug portion from below by the lower outward flange portion and the inward flange portion provided in the inner plug portion and the outer plug portion, respectively. It can be pushed and locked to the target position without fail, and when the inner plug part receives upward pressure when the internal pressure of the container body rises, it does not come out of the outer plug part, The mounting state can be securely held, and displacement and dropout can be prevented.

  According to the invention of claim 3, since the locking member of the inner plug portion is provided so as to be able to advance and retract inward in a state exposed above the upper opening of the outer plug portion, the attachment / detachment state of the locking member can be easily performed. Can be confirmed visually, and leakage due to insufficient mounting or forgotten mounting can be avoided.

  According to the invention of claim 4, the locking member of the inner plug portion is pivotally supported at the lower side and provided with the operation portion, and the operation portion is exposed above the upper opening of the outer plug portion. In addition, since it is easy to visually check the operation position, there is no worry that the operation method is not understood.

  According to the invention of claim 5, since the locking member is urged outward by the urging means, the locked state can be more reliably maintained, and the operational feeling due to the urging in the outward direction during mounting. Can be surely given.

  According to the sixth aspect of the present invention, the positioning means is provided between the inner plug portion and the outer plug portion, so that the mounting direction can be surely visually confirmed and the operation can be surely performed at a valid position and direction. it can.

  According to the invention of claim 7, since the outer lid body is provided with the barrier portion, the locking member of the inner plug portion can be prevented from falling inward and being released from being locked. As a result, it is possible to prevent the stopper from being released due to dropping, vibration, or the like of the plug body, so that the inner plug portion is displaced or dropped and leaks.

  According to the invention of claim 8, by pouring the upper end of the concave portion and the locking member inward ridge so as to rise toward the drinking mouth or the spout side, the container body is inclined and the beverage is poured. When drinking, it can be prevented that the liquid level of the discharged beverage exceeds the upper end of the recess and the beverage enters the inside from the boundary.

  According to the invention of claim 9, by disposing the locking member and the locking receiving portion in pairs on both sides, the detaching operation is completed in a state where the inner plug portion is stable with respect to the outer plug portion. can do.

It is a whole perspective view which shows Example 1 of this invention. It is a disassembled perspective view of the container main body and the stopper body seen from the same upper direction. It is the disassembled perspective view of the container main body, the outer stopper part, and the inner stopper part seen from the diagonally downward direction. It is the disassembled perspective view of the container main body, the outer stopper part, and the inner stopper part seen from the diagonally upper direction. It is a bottom view of the plug main body. It is the longitudinal cross-sectional view. It is sectional drawing of the principal part. It is a front view of the principal part.

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention.

  Hereinafter, Example 1 which applied this invention to the stopper of the container for drinks of a metal double heat insulation structure is demonstrated based on FIGS. A beverage container 1 having a size that can be held with one hand is composed of a container body 2 having a heat insulating structure and a plug body 4 that is detachably attached to a container mouth 3 at the top of the container body 2. The container body 2 is formed by integrally joining the upper ends of a metal inner container 5 and an outer container 6 having an upper opening, and has a heat insulating portion 7 having a vacuum heat insulating structure between the inner container 5 and the outer container 6. Yes. A first male screw portion 8 to which the stopper 4 is screwed is formed on the outer periphery of the container mouth portion 3 of the container main body 2.

  The plug body 4 includes a plug body 9 having a circular plane that is detachably attached to the container mouth portion 3, and a lid body 10 that opens and closes the plug body 9. The plug body 9 and the lid body 10 are rear portions thereof. The lid is pivotably connected by a lid opening / closing hinge shaft 11 provided on the lid. Further, the stopper body 9 and the lid body 10 can be locked in a closed state by locking the stopper member 12 provided at the front part thereof so as to be swingable and the stopper receiving portion 13. ing. Furthermore, the U-shaped locking member 14 provided on the stopper member 12 side so as to be rotatable, and the stopper member 12 and the stopper receiving portion 13 which are in the locked state by the lock receiving portion 15 provided on the lid body 10. Can be locked.

  The stopper 4 configured as described above releases the locked state of the lock member 14 and the lock receiving portion 15 and pushes the lower portion of the stopper member 12 inward, so that the stopper member 12 is engaged with the stopper receiving portion 13. The stopper 10 is released, and the lid 10 is pivoted upward by the urging force of the elastic ring 11A, which is an elastic member around the lid opening / closing hinge shaft 11, to open the front side of the plug body 9, that is, the longitudinal direction of the plug body 9. Directly drink the beverage in the container body 2 by tilting the beverage container 1 with a lip attached to the drinking mouth 16 on the opposite side of the hinge shaft 11 for opening and closing the lid about the imaginary central axis 17 in the direction. Can do.

  Further, when the plug body 9 is centered on a central axis 17 provided in the up and down direction, an outer plug portion 18 provided on the outer side and provided with a lid opening / closing hinge shaft 11 and a stopper member 12, and an inner side of the outer plug portion 18. An inner plug portion 19 is detachably disposed. The outer plug portion 18 has a substantially cylindrical shape that is disposed outside the container mouth portion 3 around the central axis 17, and has a planar circular upper opening 20 that passes through the central axis 17. A first female screw portion 21 is provided at the inner peripheral lower portion of the outer peripheral portion of the container, and the first female screw portion 21 is screwed to the first male screw portion 8 formed in the container mouth portion 3, whereby the outer plug portion 18. As a result, the stopper 4 can be attached to the container body 2.

  The inner plug portion 19 is inserted into the outer plug portion 18 from below the upper opening 20 and has a substantially bottomed cylindrical shape protruding from the upper opening 20, and a liquid passage hole 23 is formed at the front portion of the bottom surface 22, and the rear portion is formed. The air holes 24 are penetrated so as to communicate with each other in the vertical direction, and a peripheral wall 25 that integrally forms a drinking mouth 16 is raised from the front part, the left and right side parts, and the rear part of the periphery of the bottom surface 22. The peripheral wall 25 is formed so that the stopper member 12 side, i.e., the front side is higher than the lid opening / closing hinge shaft 11, i.e., the rear side, and the drinking mouth 16 is formed at the uppermost part at the front part of the peripheral wall 25, The height of the peripheral wall 25 is gradually decreased toward the rear on both the left and right sides. In addition, a packing 26 that is in close contact with the inner periphery of the container mouth 3 is provided on the outer periphery of the lower portion of the inner plug portion 19.

  Then, in order to fix the inner plug portion 19 to the outer plug portion 18, an upper outward flange 27 is provided on each of the left and right outer sides of the peripheral wall 25 of the inner plug portion 19, and the upper opening 20 of the outer plug portion 18 is provided. On both the left and right sides, there are provided locking receiving portions 28 to which the upper outward flanges 27 can be locked.

  In addition, the edge of the upper opening 20 of the outer plug portion 18 protrudes slightly inward, and an inward flange 29 is formed on the entire circumference except for the first positioning receiving portion 30 cut out outward of the rear portion. ing. The first diameter A centering on the central axis 17 of the inward flange 29 and the second diameter B centering on the central axis 17 of the outer peripheral wall 25 of the inner plug portion 19 are the same or the second diameter B Is formed so that the peripheral wall 25 can be inserted into the inward flange 29 from below. Furthermore, the latch receiving portion 28 is provided with a latch receiving portion 28 by a stepped portion in which the left and right portions of the upper surface of the inward flange 29 are slightly recessed so that the inside of the latch receiving portion 28 is lowered. The left and right outer step portions 28A and the front and rear step portions 28B and 28C are formed on the lower inner side surface of the latch receiving portion 28 so as to be further away from the central axis 17 toward the lower side. A tapered surface 31 for guiding the orientation rod 27 is formed.

  A lower outward flange 32 having a circular shape in plan view around the central axis 17 is provided at an intermediate portion in the vertical direction on the outer periphery of the inner plug portion 19, and an intermediate portion between the lower outward flange 32 and the packing 26 A mounting groove 34 of a locking member 33 provided with an upper outward flange 27 having an outer opening centered on the central axis 17 is provided.

  The locking members 33 provided on the left and right sides of the inner plug portion 19 are formed of hook members that are locked to left and right portions of the inward flange portion 29, and resist the urging means 39 described later against the inner plug portion 19. The lower lateral portion 35, the vertical portion 36 provided upward at the outer end of the lower lateral portion 35, and the upper outward portion provided on the upper end outer surface of the vertical portion 36.鍔 27 and an operation portion 37 that is provided above the upper outward ridge 27 and that is exposed above the upper opening 20, and an inwardly facing locking member inward 鍔 38 is provided at the upper end of the operation portion 37. Is provided. The locking member 33 is provided so as to be able to swing against the urging means 39 described later with respect to the inner plug portion 19.

  The upper outward flange 27 is formed such that the upper side is larger than the lower side, that is, the upper side radius D is larger than the lower side radius C when the central axis 17 is the center. In addition, the vertical portion 36 and the inner surface continuous to the vertical portion 36 are arranged vertically with a spacing from the left and right portions of the peripheral wall 25, and the locking member inward flange 38 is the upper end surface of the peripheral wall 25. It is provided so as to cover. In the embodiment, a vertical groove-shaped concave portion 40 having a concave surface is formed on the outer surface of each of the left and right portions of the peripheral wall 25 and the lower outward flange 32, and the outer surface of the vertical groove-shaped concave portion 40 is formed outside. On the side surface, a vertically-oriented part 36 and an operation part 37 at the upper part thereof are provided with a first interval E. Further, in the embodiment, a lateral groove-shaped concave portion 41 having a shallow groove side surface is formed so as to open upward at the left and right upper end surfaces of the peripheral wall 25, that is, the end of the drinking mouth 16, and When the locking member inward flange 38 is accommodated at an interval F of 2, the operation portion 37 is slightly moved inward by the lateral groove-shaped recess 41 below the locking member inward flange 38. It can be regulated. The lateral groove-shaped recess 41 is formed to be inclined so that the front side, that is, the drinking mouth 16 side is higher than the rear part. That is, the lateral groove-shaped recess 41 is disposed so as to be inclined toward the mouth 16 side. The front end surface of the locking member inward flange 38 is arranged in the same plane as the inner surface of the peripheral wall 25 in a plan view, and the upper end surface of the locking member inward flange 38 excludes the lateral groove-shaped recess 41. The front wall is inclined so that the front side is higher than the rear side so as to be flush with the upper end surface of the peripheral wall 25.

  Further, a mounting projection 42 is provided on the lower surface of the mounting groove 34 so as to be a rotation support portion of the locking member 33, and further, the locking member 33 is vertically disposed so as to straddle the front and rear of the mounting projection 42. The lower portion of the facing portion 36 is provided in a bifurcated manner, and a swinging hinge shaft 43 provided in the front-rear direction is interposed between the mounting projection 42 and the lower portion of the vertical portion 36 so as to engage with the mounting projection 42. The lower part of the stop member 33 is pivotably connected, and the locking member 33 of the inner plug portion 19 is provided so as to be able to advance and retract inward. Further, a biasing means 39 made of a rubber material is interposed between the vertical portion 36 and the mounting groove 34, and the vertical portion 36 is always outside the swinging hinge shaft 43 by the biasing means 39. It is urged to rotate. The biasing means 39 is formed of an elastic member such as a rubber material or a spring material.

  Further, the lower lateral portion 35 is locked to the upper surface of the mounting groove 34, so that the lower lateral portion 35, and thus the locking member 33, is prevented from rotating outwardly about the swinging hinge shaft 43. ing.

  When the vertical portion 36 is pivoted inward as in the case where the vertical portion 36 is in contact with or close to the vertical groove-shaped recess 40, the peripheral wall 25 is moved to the upper opening 20 from below. In addition to being able to be inserted upward, the operation part 37 can be similarly inserted into the lock receiving part 28, and the upper surface of the lower outward flange 32 is locked to the lower surface of the inward flange 29 so The stopper can be prevented from coming off, and the upper outward flange 27 is locked to the locking receiving portion 28, so that the inner plug portion 19 is prevented from dropping below the outer plug portion 18. Therefore, as shown in FIG. 8, the third vertical gap G from the lower outward flange 32 to the lock receiving portion 28 is obtained by adding the thickness of the lower outward flange 32 and the thickness of the inward flange 29. Further, it is formed in the same manner as that obtained by subtracting the recess thickness H of the latch receiving portion 28.

  When the outer plug portion 18 and the inner plug portion 19 are fitted, a first positioning projection 44 that is engaged with the first positioning receiving portion 30 formed at the rear portion of the inward flange 29 is provided for alignment. It is provided integrally with the rear portion of the peripheral wall 25 and the lower outward flange 32 in the vicinity thereof. In addition, second positioning receiving portions 45 are provided on the left and right sides of the first positioning projection 44 in the lower outward flange 32, and a second positioning projection 46 that can be locked to the second positioning receiving portion 45 is provided. It is formed on the lower surfaces of the left and right sides of the first positioning receiving portion 30 in the inward flange 29. Further, a third positioning receiving portion 47 is provided at the front portion of the lower outward flange 32, and a third positioning projection 48 that can be locked to the third positioning receiving portion 47 is provided at the front portion of the inward flange 29. It is formed on the lower surface.

  The lid body 10 includes a lid portion 49 that covers the upper opening 20 of the plug body 4, and a lid lower portion 51 that is provided below the lid portion 49 via a barrier portion 50 that prevents the locking member 33 from moving back and forth. The lid lower part 51 is provided with a seal member 52. The barrier portion 50 is formed by the left and right side surfaces of the base portion 53 projecting downward on the lower surface of the lid portion 49, and when the lid is closed, the barrier portion 50 is the front end inside the locking member inward flange 38. Can be opposed to each other so as to be close to or in contact with each other. The seal member 52 includes an inflow side seal portion 55 that seals the liquid passage hole 23 from above, and an air hole seal portion that seals the air hole 24 from above, on the seal body 54 that contacts the bottom surface 22 of the inner plug portion 19. 56 is formed integrally.

  Next, the operation of the above configuration will be described. In a state where the inner plug portion 19 is fixed to the outer plug portion 18, the vertical portion 36 is urged by the urging means 39 so as to rotate outward about the swinging hinge shaft 43, and the lower portion outwards. The upper surface of the heel 32 is locked to the lower surface of the inward ridge 29, and the lower surface of the upper outward ridge 27 is locked to the locking receiving portion 28 formed on the upper surface of the inward ridge 29. The plug portion 19 is restricted in the vertical direction and is prevented from coming off. Further, the first positioning projection 44 and the first positioning receiving portion 30, the second positioning projection 46 and the second positioning receiving portion 45, the third positioning projection 48 and the third positioning receiving portion 47 provide a central axis line. The inner stopper portion 19 centering on 17 is prevented from rotating.

  Next, the operation of the fairness will be described. By releasing the locked state between the lock member 14 and the lock receiving portion 15 and operating the stopper member 12 to release the locking with the stopper receiving portion 13, the lid body 10 is opened by the elastic force of the elastic ring 11A. Then, by tilting the beverage container 1 with the lid 10 opened, the stored beverage is discharged through the liquid passage 57 extending from the liquid passage hole 23 to the drinking mouth 16 and is discharged from the drinking mouth 16. You can drink. At this time, even if the drinking mouth 16 is not directly below and the drinking mouth 16 is slightly inclined, the beverage discharged through the liquid passage hole 23 is guided to the peripheral wall 25 arranged also on the left and right of the bottom and spills from the side. It can be led to the mouth 16 side without.

  In order to disassemble the plug 4 removed from the container body 2 for cleaning into the inner plug 19 and the outer plug 18, the cap 4 protrudes above the inward flange 29 on the left and right sides of the plug 4 in the opened state. After visually observing the pair of left and right operation portions 37 provided, the pair of operation portions 37 is picked with a finger, and the pair of operation portions 37 thus picked are pressed inward against the biasing means 39. Due to the inward pressing of the pair of operation portions 37, the locking member inward flange 38 comes into contact with the lateral groove-shaped recess 41, and the rotation stops. By this pressing, the upper outward flange 27 and the vertical portion 36 are rotated inward about the swinging hinge shaft 43 so that the upper outward flange 27 is accommodated in the vertical groove-shaped recess 40 and The orientation rod 27 is released from the locked state with the locking receiving portion 28.

  Next, in a state where the operation portion 37 is pressed inward, the operation portion 37 is further pressed downward to release the engagement between the inward flange 29 and the lower outward flange 32. It can be disassembled by coming out from the outer plug 18 downward. The inner plug portion 19 and the outer plug portion 18 that have been disassembled in this way are each washed.

  When assembling the cleaned inner plug portion 19 and outer plug portion 18, the first positioning projection 44 is provided in the first positioning receiving portion 30, the second positioning receiving portion 45 is provided in the second positioning projection 46, and the third The inner plug portion 19 is disposed below the outer plug portion 18 so that the third positioning receiving portion 47 faces the positioning projection 48. Next, the peripheral wall 25 of the inner plug portion 19 is inserted into the upper opening 20 of the outer plug portion 18. At this time, when the outer surface of the operating portion 37 is slid on the tapered surface 31, and the upper outward flange 27 is further slid on the tapered surface 31, the upper outward flange 27 is pressed inward by the tapered surface 31 and locked. The member 33 rotates inwardly about the swinging hinge shaft 43, and the upper outward flange 27 passes through the latch receiving portion 28 and reaches the upper side. At this time, the urging means 39 is pressed and compressed by the vertical portion 36.

  Thus, the upper outward flange 27 passes through the latch receiving portion 28, and the first positioning receiving portion 30, the first positioning projection 44, the second positioning projection 46, the second positioning receiving portion 45, and the third The positioning protrusion 48 and the third positioning receiving portion 47 are engaged with each other, so that the inner plug portion 19 can be prevented from rotating with respect to the outer plug portion 18. At the same time, the urging means 39 that has been released and compressed by the vertically oriented portion 36 is restored, so that the locking member 33 rotates outward together with the upper outward flange 27, and on the upper surface of the locking receiving portion 28. The lower surface of the upper outward flange 27 is locked to prevent the inner plug portion 19 from coming off the outer plug portion 18. Furthermore, the lower surface of the upper outward flange 27 is locked to the upper surface of the locking receiving portion 28, and at the same time, the upper surface of the lower outward flange 32 is locked to the lower surface of the inward flange 29, and the inner plug portion with respect to the outer plug portion 18 19 penetrations can be prevented.

  When the inner plug portion 19 is accurately attached to the outer plug portion 18 in this manner, the front and rear ends of the inclined upper end surface of the locking member inward flange 38 of the operation portion 37 are in the form of vertical grooves in the peripheral wall 25. Arranged so as to be continuous with the front and rear ends of the recess 40, and the inner front end surface of the locking member inward flange 38 is disposed flush with the inner surface of the peripheral wall 25 and the inner end of the lateral groove-shaped recess 41, The operation unit 37 is visually observed so as to have a sense of unity with the peripheral wall 25.

Accordingly, the front and rear ends of the upper end surface are visually observed so as not to be continuous with the front and rear ends of the vertical groove-shaped recess 40, and the inner front end surface of the locking member inward flange 38 is flush with the inner surface of the peripheral wall 25. When it is not visually observed, the inner plug portion 19 is not properly attached to the outer plug portion 18.
As described above, in the embodiment, the inner plug portion 19 can be inserted and removed from below the outer plug portion 18, and the plug can be washed to every corner by removing the inner plug portion 19 from the outer plug portion 18. Further, in order to fix the inner plug portion 19 to the outer plug portion 18, a locking member 33 is provided in the inner plug portion 19, a locking receiving portion 28 is provided in the upper opening 20 of the outer plug portion 18, and an operation portion 37 of the inner plug portion 19 is provided. Since it is exposed above the upper opening 20 of the outer plug portion 18 and is detachably locked, it can be visually confirmed from the outside of the plug body 9 that the inner plug portion 19 is securely attached to the outer plug portion 18.

  Further, the inner plug portion 19 is connected to the outer plug portion 18 by the lower outward flange 32 provided on substantially the entire circumference of the inner plug portion 19 that is in contact with each other and the inward flange 29 provided on substantially the entire circumference of the outer plug portion 18. When inserting from below, the inner plug portion 19 can be penetrated by positioning the push stopper to a target position. And by locking the upper outward flange 27 on the upper part of the locking receiving portion 28, the inner plug portion 19 is prevented from coming off downward, and the inner plug portion 19 is fixed to the outer plug portion 18. It can be.

  Further, since the operation part 37 of the inner plug part 19 is provided so as to be able to advance and retreat in the inner and outer directions while being exposed above the upper opening 20 of the outer plug part 18, when the operation part 37 is outside, the inner plug part 19 is correctly installed, and when the operation part 37 is on the inside, the inner plug part 19 is not correctly attached. It can be confirmed whether or not the stopper portion 18 is correctly attached.

  In addition, the locking member 33 of the inner plug portion 19 is rotatably provided via a swinging hinge shaft 43 provided below, and an operation portion 37 is provided to rotate the operation portion 37. Thus, the operation can be performed more reliably, and the operation portion 37 is exposed above the upper opening 20 of the outer plug portion 18, so that the operation position can be easily visually confirmed. In addition, since the operation portions 37 provided on the left and right pairs are arranged on the outer peripheral side via the longitudinal groove-shaped recess 40 of the peripheral wall 25, the pair of left and right operation portions 37 are sandwiched between a pair of fingers and biasing means is provided between them. It is easy to operate by narrowing against 39, and the operation part 37 is arranged on the outer peripheral side of the peripheral wall 25, so that it is not obstructed by the peripheral wall 25 and difficult to check visually, and the peripheral wall 25 By forming the inner peripheral surface with a gentle surface, there is no unevenness or the like that hinders the flow of liquid to be discharged as in the conventional case.

  Further, since the upper outward flange 27 is constantly urged outward by the urging means 39, the locked state between the upper outward flange 27 and the latch receiving portion 28 is maintained. Also, the operation part 37 is pressed inward to insert the inner plug part 19 into the outer plug part 18, and the upper outward hook 27 is automatically locked to the lock receiving part 28 just by releasing the finger from the operation part 37. Therefore, the operation for locking can be performed with one touch.

  Further, like the first positioning projection 44 and the first positioning receiving portion 30, the second positioning projection 46 and the second positioning receiving portion 45, the third positioning projection 48 and the third positioning receiving portion 47, By providing the positioning means between the inner plug portion 19 and the outer plug portion 18, the mounting direction can be surely visually confirmed, and rotation around the central axis 17 can be achieved.

  Furthermore, the locking member inward ridge 38 that protrudes in the same plane as the inner periphery of the peripheral wall 25 over the upper end of the peripheral wall 25 on the upper part of the operation unit 37, or the locking member inward when closing the lid. By providing the lid 10 with the barrier portion 50 that is in contact with or close to the inner front end of the bag 38, the operation portion 37 is prevented from turning inward excessively, thereby allowing the beverage container 1, and thus It is possible to prevent the operation portion 37 from inadvertently moving due to the drop of the plug body 4 and the inner plug portion 19 from coming out of the outer plug portion 18, and even when such a barrier portion 50 is provided, The visual confirmation of the locking member is not hindered.

  In addition, the upper end surface of the lateral groove-shaped concave portion 41 and the locking member inward ridge 38 is inclined so that the front side, that is, the drinking mouth 16 side is higher than the rear portion thereof, so that the container body is tilted for drinking. In addition, it is possible to prevent the liquid level of the discharged beverage from exceeding the upper end of the lateral groove-shaped recess 41.

  Moreover, by arranging the locking member 33 and the locking receiving portion 28 to be paired on both sides on the left and right sides, the inner plug portion 19 can be supported on the left and right sides with respect to the outer plug portion 18, The inner plug portion 19 can be attached to the outer plug portion 18 in a stable state.

  In the second embodiment, the peripheral wall forms a spout such as a cylindrical shape instead of the drinking mouth as in the first embodiment, and the inward ridge and the lower outward ridge are not substantially the entire circumference as in the first embodiment. You may make it provide intermittently. Even if it is such, the effect similar to Example 1 can be show | played.

  As described above, the beverage container plug according to the present invention can be applied to various applications.

2 Container body 3 Mouth 4 Plug body 9 Plug body
10 Lid
16 drinking mouth
18 External plug
19 Inner plug
20 Top opening
23 Fluid passage hole
27 Upper outward facing
28 Locking receiver
29 Inward 鍔
32 Bottom outward
33 Locking member
37 Control section
38 Locking member inward flange
39 Energizing means
41 recess
50 Barrier section

Claims (9)

  A plug body that is detachably attached to the mouth of the container body, and a lid body that can be opened and closed on the stopper body. The stopper body is attached to the mouth of the container body and has an upper opening. And an inner plug portion having a liquid passage hole detachably attached to the upper opening of the outer plug portion from below, the inner plug portion being a locking member, and the upper opening of the outer plug portion being locked A stopper for a beverage container, wherein the stopper member of the inner stopper portion is exposed above the upper opening of the outer stopper portion and is detachably locked.   The upper opening of the outer plug portion is an inward ridge, and a lower outward ridge that can be locked to the lower portion of the inward ridge of the outer plug portion is provided on the outer periphery of the inner plug portion, and the inner plug portion is locked. 2. The stopper for a beverage container according to claim 1, wherein the member is provided with an upper outward hook that can be locked to an upper portion of the locking receiving portion of the outer plug portion.   The locking member of the inner plug portion is provided so as to be able to advance and retract inward, and when the inner plug portion is attached to and detached from the outer plug portion, the locking member moves inward and backward with respect to the locking receiving portion. The stopper of the beverage container according to claim 1, wherein the stopper is locked or unlocked.   The locking member of the inner plug portion is pivotally supported at a position below the lower outward flange of the inner plug portion, and an operating portion is provided above the upper outward flange. The stopper of the beverage container according to any one of claims 1 to 3, wherein the inner stopper is locked to the outer stopper so as to be exposed above the upper opening of the stopper.   5. A cap for a beverage container according to claim 4, wherein a biasing means for biasing the locking member outward is provided between the inner plug and the locking member.   When the inner plug portion is mounted on the outer plug portion, the inner plug portion is provided with one of the positioning protrusion and the positioning receiving portion that are aligned by being relatively fitted to each other, and the other is disposed on the outer plug. The stopper for a beverage container according to any one of claims 1 to 5, wherein the stopper is provided in a portion.   7. A barrier portion that prevents the locking member of the inner plug portion from advancing and retracting inward in the state where the lid body closes the stopper main body. The stopper for a beverage container according to any one of the above.   Provided with a drinking mouth or spout on the front upper surface of the inner plug portion, provided with a recess for accommodating the upper portion of the locking member at the end of the drinking mouth or spout, and in a position connected to the drinking mouth or spout The upper portion of the locking member is disposed, and a locking member inward ridge protruding in a direction covering the upper end of the recess is provided on the locking member, and the upper end of the concave portion and the locking member inward ridge are The stopper for a beverage container according to any one of claims 1 to 7, wherein the stopper is disposed so as to rise toward a drinking mouth or a spout side.   The locking member is a pair of hook members provided on both sides of the inner plug portion so as to face each other, and the locking receiving portion faces the hook members on both sides of the plug body. A pair of beverage container stoppers according to any one of claims 1 to 8, wherein a pair is provided.

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