JP5482757B2 - Beverage container closure - Google Patents

Description

The present invention relates to a stopper for a beverage container having a lock mechanism.

  As a beverage container plug body, a beverage container main body, a plug body to be attached to the opening of the container main body, a mouth portion provided in the plug body, and a lid hinge portion that is rotatable to the plug body A lid that is pivotally supported by the lid and opens and closes the mouth, and a lock button that is pivotally supported by a lock pivot shaft so as to be rotatable 180 degrees opposite to the lid hinge portion of the plug body and holds the lid in a closed state. A beverage container having a second lock member that is coaxially supported by the lock rotation shaft of the stopper and that holds the lid in a closed state, and the lock button has a first locking portion at an upper portion thereof And a pusher portion at the bottom, and a first shaft hole penetrating laterally is provided in the middle portion so that it can be rotated by the horizontal lock rotation shaft provided in the mounting portion. On the opposite side of the lid hinge portion of the lid, a first locking receiving portion that can lock the first locking portion is provided. In other words, there is known an urging means provided between the back side of the pushing portion and the mounting portion, and the urging means urges the first locking portion in the locked state (Patent Document 1). It has been. In Patent Document 1, not only the appearance of the design is improved, but also the visibility of the place to be pressed is improved. Furthermore, the place is urged by the urging means, and it is rational mechanically.

JP 2010-23854 A

  In Patent Document 1, since the appearance surface (operation surface) of the push portion that is a button operation member is relatively small, only the push portion is not pushed when the lower portion of the lock button is pushed. When the outer surface of the part becomes large, when the lower part of the lock button is pressed, only the push part separate from the lock button is pushed inward, and the first locking part does not come off from the engagement piece of the lid In addition, the lid may not open.

  In view of the above problems, the problem to be solved is that even when the external appearance surface of the button operating member becomes relatively large, only the button operating member is pressed and the lid cannot be opened. This is to increase the certainty of the opening operation.

The stopper of the beverage container according to claim 1 is a stopper body attached to an upper opening of the beverage container main body, hinged on one end of the stopper body, and opens and closes the upper opening of the stopper body. In a beverage container plug body comprising a lid body that freely opens and closes and a lock mechanism that holds the lid body in a closed state at the other end of the plug body, the lock mechanism is attached to a rotating end of the lid body. A button having an engaging piece provided on the other end of the plug main body so as to be able to advance and retreat in and out of the plug main body, and having an engaging portion that engages with the engagement piece of the lid on the upper part; The button includes a button main body member provided with the engagement portion and a button operation member attached to the button main body member, and the engagement portion of the button is connected to the engagement piece of the lid body. Biasing means for biasing in the engaging direction, and the button operating portion of the button operating member is The button body member is forcibly fitted into the through hole, and the back surface of the button operation member is urged by the urging means. By providing one of the introduction guide receiving portions corresponding to the above, the other of the introduction guide portion and the introduction guide receiving portion on the button operating member, and inserting the introduction guide receiving portion into the introduction guide portion The button operation member is aligned with the direction of the button body member, a decoration member is attached to the back surface of the button operation member, and a protruding wall for attaching the decoration member to the back surface of the button operation member is provided . It arrange | positions outside the minimum diameter of the said through-hole of a member, It is characterized by the above-mentioned.

  The stopper of the beverage container according to claim 2 is characterized in that the through hole is substantially circular and the button operation portion is substantially cylindrical.

  According to the first aspect of the present invention, since the button operating member is forcibly fitted not only to the urging means but also to the button main body member, even if only the button operating member is pressed, the button main body member is surely changed to the button operating member. Since it moves with it, the lid can be opened reliably. Further, the button can be operated reliably even when the biasing means is at a position slightly deviated from the button operation member.

  According to the first and second aspects of the present invention, the uneven introduction portions provided on the button main body member and the button operation member can be reliably and easily assembled without any positional deviation or inclination during forced fitting. .

  According to invention of Claim 1, while decorating property is improved by attaching various decorating members to the back surface of the button operation member forcibly fitted by the through-hole of the button main body member, the decorating member Can be protected by the button operation member, so that the decoration member can be prevented from being deteriorated or damaged. Further, when the introduction portion is provided as in claim 2, the decoration member can be positioned, and directional decoration is also possible.

According to the first aspect of the present invention, by providing the protruding wall on the back surface of the button operation member, it is possible to prevent the decorating member from being displaced and to facilitate assembly.

  Moreover, even if a button operation member becomes transparent by arrange | positioning a protrusion wall outside the minimum diameter of the through-hole of a button main body member, a protrusion wall cannot be seen from an external appearance, and design property is good.

It is a whole sectional view showing Example 1 of the present invention. It is an expanded sectional view of a locking mechanism same as the above. It is an exploded perspective view of a lock button same as the above. It is an exploded sectional view of a lock button same as the above. It is a whole front view same as the above. FIG. 2 is an overall cross-sectional view of the lid opened state. It is an expanded sectional view of the lock mechanism which shows Embodiment 2 of the present invention.

  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.

  1 to 6 show a first embodiment. A portable thermos bottle 1 is covered with a metal container body 2 having a size that can be held with one hand, and an opening end 2A that is an upper opening of the container body 2. And a plug 3 made of synthetic resin. The container main body 2 has a heat insulating double structure in which the edges of the open end 2A of the inner cylinder 4 and the outer cylinder 5 are integrally joined, and the space between the inner cylinder 4 and the outer cylinder 5 serves as a vacuum heat insulating layer 6. Thus, a male screw portion 7 for screwing the plug 3 is formed on the outer periphery of the upper portion of the outer cylinder 5.

  In the plug body 3, a female screw portion 9 is formed in a cylindrical portion 8 that surrounds the upper outer periphery of the outer cylinder 5, and the female screw portion 9 is screwed to the male screw portion 7 of the outer cylinder 5 to be connected to the container body 2. The plug main body 10 is mounted on the open end 2A of the plug. A lid 12 is rotatably coupled to a mounting portion 11 provided on one side of the plug body 10 via a lid hinge portion 13, and is attached to an elastic body 14 such as a rubber ring wound around the lid hinge portion 13. The elastic body 14 has one end locked to the mounting receiving portion 15 of the mounting portion 11 of the plug body 10 and the other end locked to the mounting receiving portion 16 of the lid body 12. ing. The elastic body 14 has a force for rotating the lid 12 in the vertical direction by 180 degrees or more from the closed state and holding the lid 12 at that position. In addition, with respect to the lid hinge portion 13 on one side, when the center of the mouth of the container body 2 is used as an axis (not shown), it is at a position of 180 degrees, that is, at a position facing the lid hinge portion 13 in the radial direction. On the other side, a lock mechanism 17 that locks the tip of the lid 12 and holds the lid closed is provided.

  The stopper main body 10 is formed in a reverse bottomed cylindrical shape in which a top plate 18 that covers the open end 2A of the container main body 2 is provided on the upper surface of the cylindrical portion 8. A seesaw type lock button 19 and a U-shaped lock 20 which are constituent members of the lock mechanism 17 are provided. In addition, a drinking mouth 21 projects from the other side of the top board 18.

  The drinking mouth 21 protrudes from the top plate 18 in a substantially cylindrical shape with a thickness suitable for a drinker to include in the mouth, and is covered with the lid body 12, and the inside of the drinking mouth 21 is a beverage spout 21A. As shown in FIG. 6, the upper end surface 21B of the drinking mouth 21 is inclined so that the lid hinge portion 13 side is lower than the line L orthogonal to the central axis of the drinking mouth 21 by an angle θ1. At substantially the same angle as the top plate 18, the lock mechanism 17 side is high and the lid hinge part 13 side is low tapered. The upper part of the drinking mouth 21 can be sealed with a packing 22 attached to the lid 12 when the lid is closed.

  Further, as shown in FIG. 1, a water-stop packing 23 is provided inside the tubular portion 8 of the stopper body 10 to stop water tightly between the opening end 2 </ b> A of the container body 2 and the stopper 3. The water-stop packing 23 is formed of an elastomer, rubber, or elastic synthetic resin, and is detachably attached to the mounting recess 24 of the packing 23 provided on the inner surface of the plug body 10. The mounting recess 24 is provided in an annular shape whose plane is concentric with the plug body 10, and extends along the cylindrical portion 8 between the female screw portion 9 and the top plate 18 in the vertical direction. Open downward. The inner wall 25 provided on the inner side for forming the recess 24 extends downward to a distance approximately equal to the width of the recess 24 and is formed in the plug body 10.

  The water stop packing 23 includes a water stop protrusion 23A which is a packing body interposed between the opening end 2A of the container body 2 and the recess 24, and a downward extension extending downward from the water stop protrusion 23A. It consists of an exit wall 23B and an inwardly extending surface 23C extending inwardly from the lower end of the downwardly extending wall 23B. The water-stop projection 23A is to contact and stop the opening end 2A and the recess 24 of the plug body 10 at the lower surface and the upper surface, respectively, the plane is annular, the vertical cross section is substantially rectangular, and its outer periphery At the center of the surface in the vertical direction, a groove 23D is provided inwardly over the entire circumference, and a water stop protrusion 23A is formed in a substantially U-shaped cross section with the outside opened. The downwardly extending wall 23B is disposed along the outer surface of the inner wall 25, the inwardly extending surface 23C is along the lower end of the inner wall 25, and the lower surface of the inwardly extending surface 23C is pressed when the packing 23 is attached to the recess 24. The inwardly extending surface 23 </ b> C is formed at a margin, and is formed at a gripping margin when the packing 23 is removed.

  The lock mechanism 17 has a double lock structure including the lock button 19 as a button as a first lock member and the U-shaped lock 20 as a second lock member. The lock button 19 includes a button body member 26 made of a non-permeable member made of synthetic resin, and a button operation member 27 made of a member separate from the button body member 26. The button body member 26 has a substantially circular button surface portion 28, and an engaging portion 29 protrudes inwardly on the upper back surface of the button surface portion 28. Wall portions 30, 30 projecting inward, and the lower portions of the left and right wall portions 30, 30 are connected by a substantially arc-shaped lower wall portion 31. The lower wall portion 31 is the back surface of the button surface portion 28. The left and right wall portions 30, 30 are respectively provided with lateral first shaft holes 32. Further, as shown in FIG. 5, a substantially inverted U-shaped support part 33 is provided on the other outer side of the cylindrical part 8 when viewed from the front, and the horizontal lock rotation provided on the support part 33 is provided. The lock button 19 is rotatably supported by the shaft 34, and the engaging portion 29 provided on the upper part moves forward and backward in the plug body 3 by this rotation. An engagement piece 35 that can be engaged with the engagement portion 29 is provided on the rotation end of the lid body 12, that is, on the opposite side of the lid hinge portion 13, by a step portion in the lateral direction. The upper portion of 35 is provided with a substantially inverted U-shaped locking receiving portion 36, and the lower portion of the locking receiving portion 36 is continuous with the upper portion of the support portion 33 when the lid is closed, as shown in FIG. The lock button 19 is surrounded by the latch receiving portion 36 and the support portion 33. In this example, the button surface portion 28 is substantially circular, but the upper and lower portions of the button main body member 26 may be semicircular and may be formed longer in the vertical direction.

  The button operation member 27 is integrally provided with a substantially cylindrical button operation portion 37 and a hook-shaped portion 38 that is provided on the proximal end side of the button operation portion 37 and is larger than the button operation portion 37, and is made of a synthetic resin. It consists of a translucent member. The button surface portion 28 of the button body member 26 is formed with a substantially circular through hole 39 in the center in the left-right direction on the lower side thereof, and the button operating portion 37 is forcibly fitted into the through hole 39. . A convex portion 40 is provided on the inner surface of the through-hole 39 on the base end side, and a concave groove portion 41 into which the convex portion 40 is fitted is provided on the base end side of the button operation portion 37. . Further, an upper edge portion 42 in the horizontal direction is provided on the upper portion of the hook-shaped portion 38 of the button operation member 27, and a recess 43 into which the upper edge portion 42 is engaged is formed on the back surface of the button surface portion 28. . Further, a notch groove 44 serving as an inward / outward introduction receiving portion is provided in the center in the left-right direction at the lower part of the lower wall portion 31 of the button main body member 26, and the notch groove 44 is open at the base end side, The button operating member 27 is provided with a projecting piece 45 which is an introduction guide portion to be inserted from the rear side, and a lower projecting portion 46 projecting downward is provided at the lower end of the hook-shaped portion 38 of the button operating member 27. The projecting piece 45 projects from the lower end of the lower projecting portion 46 toward the base end side. The notch groove 44 is a fitting concave portion, and the protruding piece 45 is a fitting convex portion.

  Then, the button surface portion 28 of the button operation member 27 is press-fitted into the through hole 39 from the rear of the button body member 26, and the convex portion 40 and the concave groove portion 41 are fitted to force the button operation member 27 into the through hole 39. At this time, the button operating member 27 can be integrally incorporated in accordance with the direction of the button main body member 26 by inserting the projecting piece 45 into the notch groove 44.

  Further, as shown in FIG. 2, the button body member 26 and the button operation member 27 have the back surfaces thereof in a state where the engagement portion 29 of the button body member 26 is locked to the engagement piece 35 of the lid body 12. The outer surface of the button surface portion 28 is substantially vertical and the outer surface is inclined so as to be thicker downward. Similarly, the outer surface of the button operation portion 37 is also inclined so that the outer surface of the button surface portion 28 is a button. The outer surface of the button surface portion 28 partially protrudes so as to be positioned slightly outside the outer surface of the main body member 26, so that the button surface portion 28 can be recognized by tactile sensation.

  Protruding walls 47 are provided on the flat rear surface of the flange-shaped portion 38 of the button operating member 27, and the protruding walls 47 are provided on the left and right sides of the periphery of the flange-shaped portion 38. Located on the outside. That is, the protruding wall 47 is disposed outside the through hole 39. The protruding wall 47 is positioned on a virtual circle that is substantially concentric with the button surface portion 28, and a substantially circular decorative member 48 is attached to the back surface of the bowl-shaped portion 38 by bonding or the like. Yes. By attaching the seal-like decorating member 48 between the protruding walls 47 in this way, the assembly workability is excellent. The decorating member 48 is non-translucent, and may be provided with a light reflecting material or the like and provided with a pattern on the surface. Further, a spring 49 as a return elastic body is disposed between the decorating member 48 on the back side of the button operation member 27 and the tubular portion 8 of the plug body 10, and the spring 49 is disposed on the tubular portion 8. A cylindrical attachment portion 50 for attaching the proximal end side is provided, and the engagement portion 29 is always urged in the lock state of the lid by the spring 49. The button operation member 27 is transparent or light transmissive and colored, and the decoration member 48 is visually recognized through the button operation member 27. The decorative member 48 has a larger diameter than the through hole 39. Further, since the protruding wall 47 is located outside the through hole 39, the protruding wall 47 is not visually recognized from the outside even if the transparent button operation member 27 is used.

  The U-shaped lock 20 has a substantially U shape including a pair of left and right arm portions 51, and includes a U-shaped shape. Then, an extension shaft portion 34A having the same diameter to the left and right outer sides of the lock rotation shaft 34 is inserted into the horizontal second shaft holes 52 at both base ends of the arm portion 51. The U-shaped lock 20 is rotatably provided around the extended shaft portion 34A. The inner diameter of the second shaft hole 52 with respect to the outer diameter of the extension shaft portion 34A is formed so as to be slidable in a loosely-fitted state in which a slight gap is formed.

  When the distal end of the U-shaped lock 20 is in the first position upward, the distal end of the U-shaped lock 20 is externally fitted and locked to the engagement receiving portion 36, and the surface of the engagement receiving portion 36 is directed upward. It has an inverted U-shape so as to protrude, and protrudes on the side opposite to the lid hinge portion 13. The latch receiving part 36 is provided above the engaging piece 35 so as to cover the engaging piece 35. The latch receiving part 36 is connected to the engaging piece 35 with respect to the engaging part 29. It is provided so as to be as close as possible with an interval of about the thickness in the vertical direction. That is, the distance from the rotation shaft 34 to the inner side 36A of the latch receiving portion 36 and the distance to the upper end of the engaging portion 29 are formed substantially the same.

  On the other hand, when the tip of the U-shaped lock 20 is in the downward second position, the U-shaped lock 20 is in an unlocked state in which the U-shaped lock 20 is not fitted, that is, a gap 53 is formed that opens downward so that the tip is free. Yes. Also in the second position, the U-shaped lock 20 is disposed so as to fit on the outer periphery of the support portion 33.

  The lock rotation shaft 34 passes through the first shaft hole 32 on the back side of the intermediate portion of the lock button 19, and the extension shaft portion 34 </ b> A of the lock rotation shaft 34 is the second shaft at both base ends of the arm portion 51. Inserted into the hole 52, both the lock button 19 and the U-shaped lock 20 are pivotally supported by a single lock pivot shaft 34.

  Further, a small convex portion 36B is formed upward on the upper surface of the latch receiving portion 36, and the small convex portion 43 is formed in a bulging shape instead of a protruding shape. Then, when the U-shaped lock 20 is turned upward, the inner surface of the distal end of the U-shaped lock 20 is brought into pressure contact with the small protrusion 36B in the latch receiving portion 36, so that the U-shaped lock 20 is The lid 12 is double-locked by being locked and fixed to the locking receiving portion 36.

  Next, the operation of the above configuration will be described. When the lock button 19 of the lock mechanism 17 is assembled, the button operating member 27 can be correctly aligned with the button main body member 26 by aligning the projecting piece 45 with the base end of the notch groove 44. In addition to engaging the projecting piece 45, the button operation portion 37 can be press-fitted into the through hole 39, and the button button operation member 27 can be integrated into the button body member 26. Further, before or after the button operation member 27 is assembled into the button main body member 26, a decorating member 48 is attached to the back surface of the hook-shaped portion 38 of the button operation member 27. As a reference, the decoration member 48 can be easily attached to the back surface of the bowl-shaped portion 38. Further, since the protruding wall 47 is provided at a position where the through hole 39 is removed, the protruding wall 47 is not visually recognized from the outside. Further, the lock button 19 is attached to the plug body 10 by the lock rotation shaft 34, and the button surface portion 28 is urged to the surface side through the decorating member 48 by the tip of the spring 49. Since the decorative member 48 is pressed against the button surface portion 28, the decorative member 48 is not detached from the button surface portion 28. Further, since the tip of the spring 49 does not directly contact the button operation member 27 by the decoration member 48, the button operation member 27 made of synthetic resin or the like can be protected.

  Since the lock button 19 is provided with a relatively large button operation part 37, the operability of the lock button 19 is improved by using the button operation part 37 as a mark, and the button operation member 27 having a permeability is provided. By visually recognizing the decorative member 48 provided on the back surface, an unprecedented excellent design can be obtained, and even if only the button operating portion 37 is pressed, the button operating member 27 is integrated with the button main body member 26. Since it is incorporated, the unlocking operation of the button main body member 26 can be reliably performed.

  Next, when the beverage is stored, the beverage is first stored in the container main body 2 from the opening of the container main body 2 opened in advance, and then the stopper 3 is attached to the opening and closed. At this time, the U-shaped lock 20 is disposed in the second position so as to face downward.

  Thereafter, when the lid 12 is turned around the lid hinge portion 13 as a turning center, the upper inclined surface 29A at the tip of the engaging portion 29 is pushed by the lower inclined surface 35A at the tip of the engaging piece 35, When the lock button 19 tilts so that the engaging portion 29 moves outward, and the lid body 12 is pressed so as to close the lid body 12, the engaging piece 35 gets over the engaging portion 29, and the engaging piece 35 Thus, the lower portion of the engaging portion 29 is locked, and the lid 12 is fixed to the plug body 10.

  Then, in order to fix the lid body 12 to the stopper body 3 and eventually to the container body 2 side, the U-shaped lock 20 is rotated upward with the lock rotation shaft 34 as the rotation center, and the U-shaped lock is secured to the latch receiving portion 36. Lock 20

  On the other hand, in order to release the locked state by the U-shaped lock 20, the U-shaped lock 20 is rotated downward with the lock rotation shaft 34 as the rotation center, and the U-shaped lock 20 is fitted to the support portion 33 in the downward state. Fix together. Further, when the button surface portion 28 of the lock button 19 is pressed and the lock button 19 is rotated against the spring 49, the engagement portion 29 is retracted outward and detached from the engagement piece 35, and the lock is released. As a result, the lid 12 is biased by the elastic body 14 and rotates in the opening direction.

As described above, in this embodiment, the stopper body 10 is attached to the opening end 2A, which is the upper opening of the beverage container body 2, and is hinged by the lid hinge portion 13 at one end of the stopper body 10. In a stopper for a beverage container provided with a lid 12 that opens and closes the open end 2A of the stopper body 10 and a lock mechanism 17 that holds the lid 12 closed at the other end of the stopper body 10 The mechanism 17 is attached to the engagement piece 35 provided at the rotation end of the lid 12 and the other end of the plug body 10 by the lock rotation shaft 34 so as to be able to advance and retreat in and out of the plug body 10. A lock button 19 as a button having an engagement portion 29 that engages with an engagement piece 35 of the lid 12 at the top, the lock button 19 includes a button main body member 26 having the engagement portion 29, and the button main body A button operating member 27 attached to the member 26, and biasing the engaging portion 29 of the lock button 19 in the engaging direction with the engaging piece 35 of the lid 12 Has a biasing means serving spring 49 that, the button operations part 37 of the button operating member 27 is fixedly fitted into the through hole 39 of the button body member 26, and biasing said at spring 49 to the rear surface of the button operating member 27 The button body member 26 is provided with one of a notch groove 44 serving as an introduction guide portion during forced fitting and a projecting piece 45 serving as an introduction guide receiving portion corresponding to the notch groove 44, and the button operation member 27 includes Since the other of the notch groove 44 and the projecting piece 45 is provided, and the button operating member 27 is aligned with the direction of the button main body member 26 by fitting the projecting piece 45 into the notch groove 44, the button operating member 27 is a spring. 49, it is forcibly fitted to the button body member 26, so even if only the button operation member 27 is pressed, the button body member 26 also moves with the button operation member 27. Can be opened. Further, even when the coil spring 49 as the biasing means is at a position slightly shifted from the button operation member 27, the lock button 19 as the button can be operated reliably. Further, the through hole 39 has a substantially circular shape, and the button operation unit 37 has a substantially cylindrical shape.

  In addition, a notch groove 44 serving as one introduction guide portion at the time of forced fitting is provided at one end of the button body member 26, and a projecting piece 45 serving as the other introduction guide portion corresponding to the notch groove 44 is provided at one end of the button operation member 27. Therefore, the uneven introduction portions 44 and 45 provided in the button main body member 26 and the button operating member 27 do not cause positional displacement or inclination during forced fitting, and can be assembled reliably and easily.

  Furthermore, since the decoration member 48 is attached to the back surface of the button operation member 27, various decoration members 48 are attached to the back surface of the button operation member 27 that is forcibly fitted in the through hole 39 of the button body member 26. Thus, the decorating property can be improved and the decorating member 48 can be protected by the button operating member 27, so that the decorating member 48 can be prevented from being deteriorated or damaged. In addition, a certain directionality can be given to the decoration member 48.

  In addition, since the protruding wall 47 for attaching the decorating member 48 to the back surface of the button operation member 27 is disposed outside the minimum diameter of the through hole 39 of the button body member 26, it protrudes from the back surface of the button operation member 27. By providing the wall 47, the decorating member 48 can be prevented from being displaced and the assembly is facilitated.

  Moreover, even if the button operating member 27 becomes transparent by disposing the protruding wall 47 outside the minimum diameter of the through hole 39 of the button main body member 26, the protruding wall 47 cannot be seen from the appearance, and the design is good.

  Further, since the decorating member 48 is non-translucent, the spring 49 on the back side is not visually recognized. Further, since the projecting piece 45 engaged with the notch groove 44 appears in the lower part of the button body member 26, the design of the lock button 19 is improved. Further, the inner surface of the through hole 39 is provided with a convex portion 40 as one retaining portion on the base end side thereof, and the concave groove portion 41 serving as the other retaining portion to which the convex portion 40 is fitted is provided in the button. Since it is provided around the proximal end side of the operation portion 37, the button operation portion 37 can be incorporated in the through hole 39 in a state of being prevented from being detached by fitting the convex portion 40 and the concave groove portion 41. Furthermore, since the protruding wall 47 is provided outside the through hole 39 avoiding the through hole 39, the protruding wall 47 is not visually recognized from the outside, and the protruding walls 47, 47 are provided on the left and right. The decorative member 48 can be easily attached to the flat back surface sandwiched between the two.

  Other embodiments will be described below. In addition, the same code | symbol is attached | subjected to the same part as the said Example 1, and the detailed description is abbreviate | omitted.

  FIG. 7 shows a second embodiment, in which the button operating member 27 is provided with a through hole 61 penetrating inside and outside, and the decorating member 48 on the back surface can be visually recognized through the through hole 61. In this case, the through hole 61 may be closed with a permeable member, and the decorating property by the decorating member 48 can be ensured. Further, since the through hole 61 is smaller in diameter than the button operation unit 37, the outer periphery of the button operation unit 37 and the through hole 61 appear in a double circle shape, and the display effect is excellent. Moreover, the shape of the through-holes 39 and 61 is not limited to a circular shape but can be an irregular shape, and the design can be improved.

  In addition, this invention is not limited to the said Example, A various deformation | transformation implementation is possible. For example, in the embodiment, the button body member is provided with the notch groove serving as a fitting recess, and the button operation member is provided with a protruding piece that is a fitting projection, but the button body member has a fitting recess and a fitting projection. And one of the fitting concave portion and the fitting convex portion may be provided on the button operation member. Further, one of the introduction guide portion and the introduction guide receiving portion may be provided on the button main body member, and the other of the introduction guide portion and the introduction guide receiving portion may be provided on the button operation member.

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

2 Container body 2A Open end (upper opening)
3 plug body
13 Lid hinge
14 Elastic body
17 Locking mechanism
19 Lock button (button)
26 Button body material
27 Button operation parts
28 Button surface
29 Engagement part
35 Engagement piece
37 Button operation section
39 Through hole
40 Convex part (fitting convex part)
41 Groove (fitting recess)
44 Notch groove (introduction guide)
45 Projection (Introduction Guide)
47 Projecting wall
48 Decorative materials
49 Spring (biasing means)

Claims (2)

A stopper body attached to the upper opening of the beverage container body;
A lid that is hinged to one end of the plug body and opens and closes the upper opening of the plug body; and
In the beverage container stopper provided with a lock mechanism for holding the lid closed at the other end of the stopper body,
The locking mechanism is
An engagement piece provided at a rotating end of the lid,
A button having an engagement portion which is attached to the other end of the plug body so as to be able to advance and retreat in and out of the plug body and which engages with the engagement piece of the lid on the upper part;
The button is composed of a button main body member provided with the engaging portion, and a button operation member attached to the button main body member,
Biasing means for biasing the engagement portion of the button in an engagement direction with the engagement piece of the lid;
The button operation part of the button operation member is forcibly fitted in the through hole of the button body member, and the back surface of the button operation member is urged by the urging means,
The button body member is provided with one of an introduction guide portion at the time of forced fitting and an introduction guide receiving portion corresponding to the introduction guide portion, and the button operation member is provided with the other of the introduction guide portion and the introduction guide receiving portion. The button operation member is aligned with the direction of the button main body member by fitting the introduction guide receiving portion into the introduction guide portion,
A decorative member is attached to the back surface of the button operation member ,
A stopper for a beverage container , wherein a protruding wall for attaching the decorative member to the back surface of the button operating member is disposed outside the minimum diameter of the through hole of the button main body member . 2. The stopper for a beverage container according to claim 1, wherein the through hole is substantially circular and the button operation portion is substantially cylindrical.

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