JP5312542B2 - Beverage container closure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow operation of separating and disassembling a stopper body to be performed simply and reliably, and to improve visibility and an operational feeling. <P>SOLUTION: The stopper body includes a stopper body 4 detachably attached to a container mouth part 3 of a container body 2, and a lid body 10 provided to the stopper body 4 by a lid opening/closing hinge shaft 11 in an openable/closable manner. The stopper body 4 includes an outer stopper part 18 mounted to the container mouth part 3 of the container body 2 and having an upper opening, and an inner stopper part 19 detachably attached to the upper opening of the outer stopper part 18 from the lower side and having a liquid through hole 23. On an outer circumferential surface of the inner stopper part 19, an engaging part 27 is provided which is engaged with an inward flange 29 of the upper opening 20 of the outer stopper part 18, an elastic locking member 35 is provided on a hinge side, and a locking receiving part 30 is provided to the outer stopper part 18. Since the locking member 35 of the inner stopper part 19 is detachably locked to the outer stopper part 18, the stopper body 4 can be cleaned throughout it by removing the inner stopper part 19, and thus the stopper body is excellent in assemblability and economical efficiency. <P>COPYRIGHT: (C)2013,JPO&amp;INPIT

Description

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

  A cylindrical drinking mouth part that is detachably attached to the mouth part of the container body as a stopper for a beverage container, and a lid that is coupled to the drinking mouth member via a hinge shaft to open and close the upper opening of the drinking mouth 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) And Japanese Patent Application No. 2011-72757), the bottom side of the plug body is detachable from below (Patent Documents 5 and 6), the top part of the plug is detached from the top side (Patent Documents 7 to 10), and the plug cover On the other hand, there are known ones in which the inner plug part is attached and detached from above (Patent Documents 11 and 12).

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. Further, in the above Japanese Patent Application No. 2011-72757, when there is only one engaging member, there is a possibility that the engagement is disengaged by a force from above because there is only one engaging portion. When there are a plurality of members, only one member may be fitted, and it is necessary to operate with both hands.

  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. The difference in appearance between the separated and separated states can be clearly recognized, preventing operational mistakes such as inadequate installation or forgetting to attach, while maintaining the attachment state securely, preventing slippage and falling off, and reducing the number of parts This is to improve the economy.

Plug beverage container according to claim 1, comprising a plug body removably attached to the mouth portion of the container body, a lid member provided to be freely opened and closed by a hinge to the plug body, the plug body, the container An outer plug portion that is attached to the mouth portion of the main body and has an upper opening, and is detachably inserted into the upper opening of the outer plug portion from below and is protruded from the upper opening and disposed inside the outer plug portion. is, and includes an inner plug portion having a liquid hole, the outer peripheral surface of the inner plug portion is provided with engagement portions to be engaged with the engagement receiving portion provided in the upper opening of the outer plug portion, the inner to the hinge side of the plug portion, provided with a biased outwardly by the locking member, the latch receiving portion is provided in the outer plug portion, said locking member in said plug unit of the outer plug portion engaging It is characterized in that it is detachably locked to the receiving part .

Plug beverage container according to claim 2, in claim 1, the locking member in said plug unit is provided to be retractable inwardly of the inner plug portion, the engaging member of the inner plug portion said plug by applying a force inward the locking member in said plug unit is exposed upwardly removably to lock the latch receiving portion, the lid is in the open time of the outer plug portion The locking state of the locking member of the portion and the locking receiving portion of the outer plug portion are released, and the inner plug portion can be disassembled from the outer plug portion .

According to a third aspect of the present invention, there is provided the beverage container plug according to the first or second aspect, wherein the locking member of the inner plug portion is rotatably coupled to the inner plug portion by a pivot .

The stopper of the beverage container according to claim 4 is the plug body according to any one of claims 1 to 3, wherein the upper surface of the operation portion of the locking member of the inner stopper portion is not horizontal but increases from the outside toward the inside. It is characterized by being inclined like this.

Plug beverage container according to claim 5, in claim 4, that the lid is provided with a fault section to prevent forward and backward movement of the front Symbol in plug portion of the locking member Te closing odor to the lid It is characterized by.

The stopper of the beverage container according to claim 6 is the position according to any one of claims 1 to 5, wherein the engaging portion of the inner plug portion faces the locking member on the outer peripheral surface of the inner plug portion. characterized in that provided one position.

  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. Further, the locking member of the inner plug portion is detachably locked to the outer plug portion, and the single locking member is excellent in assemblability and economy.

  According to the invention of claim 2, since the locking member of the inner plug portion is configured to be able to advance and retreat inward while being exposed above the outer plug portion, the attachment / detachment state of the locking member can be easily visually confirmed. It is possible to avoid problems such as insufficient installation or leakage due to forgetting to install.

According to the invention of claim 3, the locking member of the inner plug portion is rotatably coupled by the pivot and is provided with the operation portion above, and the operation portion is exposed above the outer plug portion, and the locking member Can be operated by pushing from above, and the operability is excellent.

According to the invention of claim 4, when the operation portion of the locking member of the inner plug portion is horizontal, only the pushing operation from above is performed, and when it is vertical, only the pulling operation is performed inward, but from the outside to the inside. It can correspond to the operation from both directions be inclined so as to be higher Te.

  According to the invention of claim 5, by providing the barrier portion on the lid, it is possible to prevent the locking member of the inner plug portion from falling inward when the lid is in a closed state and releasing the locking. Therefore, it is possible to prevent the lock from being released due to the drop / vibration of the product and the inner plug portion from being displaced or dropped and leaking.

According to the sixth aspect of the present invention, since the engaging portion of the inner plug portion is provided at one place on the outer peripheral surface of the inner plug portion, it is easy to perform alignment during assembly.

It is a whole sectional view showing Example 1 of the present invention. It is an exploded perspective view of a container main part, an outer stopper part, and an inner stopper part seen from diagonally upward same as the above. It is a perspective view of the plug body seen from diagonally upward same as the above. It is sectional drawing of the state decomposed | disassembled same as the above. It is a perspective view of an inner stopper part same as the above. It is a perspective view of the inner stopper part seen from the same as the above. It is a cross-sectional explanatory drawing of an outer stopper part and an inner stopper part same as the above. It is whole sectional drawing which shows Example 2 of this invention. It is whole sectional drawing which shows Example 3 of this invention. It is an expanded sectional view of a locking member and a locking receiving part same as the above. It is whole sectional drawing which shows Example 4 of this invention. It is an expanded sectional view of a locking member and a locking receiving part same as the above.

  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. And an inner plug portion 19 that 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 has a substantially bottomed cylindrical shape that is inserted into the outer plug portion 18 from below the upper opening 20 and protrudes from the upper opening 20, and allows liquid to pass through the front portion of the bottom surface 22 of the inner plug portion 19. The hole 23 and the rear part have air holes 24 that communicate with each other in the vertical direction, and a peripheral wall 25 that integrally forms a drinking mouth 16 from the front part, the left and right side parts, and the rear part of the bottom surface 22. Launch. The peripheral wall 25 is formed so that the stopper member 12 side, that is, the front side, is higher than the lid opening / closing hinge shaft 11 side, that is, the rear side, and the drinking mouth 16 is formed at the uppermost position on the front portion of the peripheral wall 25. In addition, the height of the peripheral wall 25 is formed so as to gradually decrease 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 portion 3 is provided on the outer periphery of the lower portion of the inner plug portion 19.

  In order to prevent the inner plug portion 19 from falling off the outer plug portion 18, a protruding engagement portion 27 is provided on the outer periphery of the front portion of the peripheral wall 25 of the inner plug portion 19, and the upper opening 20 of the outer plug portion 18 is provided. An engagement receiving portion 28 that can lock the engagement portion 27 is provided at the front portion.

  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 substantially the entire circumference. A portion 30 is formed so that the peripheral wall 25 can be inserted into the inward flange 29 from below.

  Further, a concave portion 31 is formed inside the engagement receiving portion 28. The concave portion 31 is recessed on the outer peripheral side from the inner edge portion 29F of the inward flange 29, and the engagement receiver 28 is formed on the inward flange 29. The outer stepped portion 28A, the left and right stepped portions 28B and 28B, and the inner edge portion 28C are formed. The inner edge portion 28C is located outside the inner edge portion 29F. The left-right width of the recess 31 substantially corresponds to the left-right width of the engagement portion 27, and the engagement portion 27 can pass through the recess 31 from the vertical direction.

  Left and right outward flanges 32, 32 are provided at the middle part in the vertical direction on the outer periphery of the inner plug portion 19 except for the front and rear. The outer periphery of these left and right outward flanges 32, 32 is circular in plan view with the central axis 17 as the center. Located on the top. Corresponding to the left and right outward flanges 32, 32, a concave surface 29A is formed on the lower surface of the inward flange 29 of the outer plug portion 18, and this concave surface 29A is recessed upward, and the concave surface 29A The upper surfaces of the outward flanges 32 and 32 abut. Further, left and right engagement recesses 33, 33 are formed in the left and right sides of the left and right outward flanges 32, 32, and left and right engagement projections 34, which engage with the left and right engagement recesses 33, 33, 34 is formed on the concave surface 29A of the inwardly facing flange 29. Then, when the outer plug portion 18 and the inner plug portion 19 are fitted, the left and right engagement protrusions 34 and 34 are engaged with the left and right engagement recesses 33 and 33 so that both are aligned. Further, the engaging portion 27 has a protruding shape protruding forward from the peripheral wall 25 of the inner plug portion, and the width of the engaging portion 27 corresponds to the width of the concave portion 31 and the engagement receiving portion 28.

  The locking member 35 provided outside the rear portion of the inner plug portion 19 is detachably locked to the locking receiving portion 30 of the outer plug portion 18, and the vertical portion 35A of the locking member 35 has a lower portion in the left-right direction. A pivot portion 36 is rotatably connected to the inner plug portion 19, and has a locking portion 37 that is locked to the locking receiving portion 38 at the upper portion of the vertical portion 35 A of the locking member 35. The stopper 37 is constituted by a substantially horizontal surface. A projecting mounting portion 38 is provided inside the center of the longitudinal portion 35A of the locking member 35, and a biasing means 39 is detachably fixed to the mounting portion 38. The biasing means 39 includes a cylindrical portion 39A and a bottom portion 39B. The attachment portion 38 is press-fitted and fixed to the cylindrical portion 39A, and the bottom portion 39B contacts the contact surface 40 on the outer periphery of the inner plug portion 19.

  Further, leg portions 41, 41 that are divided into right and left bifurcated portions are provided at the lower portion of the vertically oriented portion 35A of the locking member 35, and these leg portions 41, 41 project substantially horizontally from the pivot 36 position toward the inside. Provided on the outer periphery of the inner plug portion 19 is a downward upper contact receiving portion 42 in which the upper surfaces of the leg portions 41 and 41 abut and an upward lower contact receiving portion in which the lower surfaces of the leg portions 41 and 41 are in contact. 43 is provided, and the lower contact receiving portion 43 is constituted by an upper surface of a downward-facing flange 44 provided at the lower portion of the inner plug portion 19. The upper and lower contact receiving portions 42 and 43 sandwich the leg portion 41 so that the rotation range of the locking member 35 is restricted, and the leg portion 41 receives the upper contact receiving portion due to the elasticity of the biasing means 39. The position in contact with the portion 42 is the initial position of the locking member 35, and the position where the leg 41 is in contact with the lower contact receiving portion 43 or in the vicinity thereof, the locking receiving portion 30 of the locking portion 37 Can be unlocked.

  In addition, the inner plug portion 19 is provided with a mounting rod 45 for mounting the packing 26 on the lower portion of the downward facing flange 44, and the packing 26 is detachably mounted on the mounting rod 45, and the upper surface of the packing 26 is the lower surface of the packing 26. The seal portion 26A of the packing 26 is brought into pressure contact with the inside of the container mouth portion 3 and is sealed.

  A recess 46 is formed inside the latch receiving portion 30, and the recess 46 is recessed on the outer peripheral side from the inner edge 29 </ b> F of the inward flange 29, and the latch receiver 30 is an upper surface of the inward flange 29. The outer stepped portion 30A, the left and right stepped portions 30B and 30B, and the inner edge portion 30C are formed, and the inner edge portion 30C is located outside the inner edge portion 29F. Further, a chamfered curved portion 30D is formed at the lower corner portion of the inner edge portion 30C. The width of the locking portion 37 of the locking member 35 corresponds to the width of the recess 46 and the locking receiving portion 30.

  The lid body 10 includes a lid portion 47 that covers the upper opening 20 of the plug body 4, and a lid lower portion 48 that is integrated into the lower portion of the lid portion 47, and the lid lower portion 48 is provided with a seal member 49. Yes. The seal member 49 includes an inflow side seal portion 51 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 50 that contacts the bottom surface 22 of the inner plug portion 19. 52 is integrally formed.

  An operation portion 53 is integrally provided on the upper portion of the vertical portion 35A of the locking member 35, and the upper surface of the operation portion 53 is not horizontal but is inclined upward, and specifically, it is higher from the outside toward the inside. It is inclined to become. Further, the lower upper surface 53A below the operation portion 53 is formed in a convex curve. On the other hand, a downward locking portion 37 is provided on the upper portion of the vertical portion 35A. When the lid body 10 is opened with the inner plug portion 19 attached to the outer plug portion 18, the operation portion 53 is moved to the outer plug portion 18. The upper opening 20 is exposed and is in an operable position. Further, in a situation where the locking member 35 is locked to the locking receiving portion 30, the upper end of the operation portion 53 is located inside the pivot 36 position, and the lower upper surface 53A is located outside the pivot 36 position.

  Then, when fitting the inner plug portion 19 from the lower side to the outer plug portion 18, after engaging the engagement portion 27 into the engagement receiving portion 28 on the front side, the inner plug portion 19 with the engagement portion 27 as a fulcrum When the rear side is lifted upward, the lower upper surface 53A of the operation portion 53 abuts on the curved portion 30D of the latch receiving portion 30 on the rear side, and when the rear side of the inner plug portion 19 is further lifted upward from here, Guided by the lower upper surface 53A and the curved portion 30D, the engaging portion 37 moves inward and the urging means 39 is compressed. When the engaging portion 37 passes the inner edge portion 30C, the elasticity of the urging means 39 is increased. The locking portion 37 is locked to the locking receiving portion 30 by the restoring force.

  On the other hand, the front upper end 25A in the front part of the peripheral wall 25 is located above the upper end in the rear part of the peripheral wall 25, and the distance C between the front upper end 25A and the rear end of the operation part 53 of the locking member 35 is engaged. The distance C is larger than the distance D between the inner edge portions 28C and 30C of the receiving portion 28 and the locking receiving portion 30 and also at the inner position of the locking member 35 where the leg portion 41 is in contact with the lower contact receiving portion 43. Wider. Therefore, after the locking portion 37 is first applied to the locking receiving portion 30 or the lower upper surface 53A of the operation portion 53 is applied to the curved portion 30D of the locking receiving portion 30, the front side of the inner plug portion 19 is set upward. Even if it tries to pass through the opening 20, as shown in FIG. 7, the upper end 25A of the peripheral wall 25 abuts the inner surface of the outer plug portion 18 below the upper opening 20, and engages the engagement portion 27 with the engagement receiving portion 28. It is configured not to be able to.

  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, in the rear portion, the vertical portion 35 </ b> A of the locking member 35 is urged by the urging means 39 so as to rotate outward about the pivot 36. The locking portion 37 is locked to the locking receiving portion 30, the engaging portion 27 is locked to the engaging receiving portion 28 in the front portion, and the left and right outward flanges 32, 32 are further attached to the concave surface 29A. , The inner plug part 19 is restricted in the vertical direction and is prevented from coming off. Further, the engaging portion 37 is engaged with the engaging receiving portion 30, the left and right engaging projections 34 are engaged with the left and right engaging concave portions 33, 33, and the engaging portion 27 is engaged with the engaging receiving portion. By engaging with 28, the inner plug portion 19 is prevented from rotating about the central axis 17.

  Further, the lid 10 is released by the elastic force of the elastic ring 11A 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. By opening the lid and tilting the beverage container 1 with the lid 10 opened, the stored beverage is discharged through the liquid passage 60 extending from the liquid passage hole 23 to the drinking mouth 16 and the drinking mouth 16 You can drink more. 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.

  Then, in order to disassemble the stopper 4 removed from the container body 2 for cleaning into the inner stopper part 19 and the outer stopper part 18, an operation of projecting upward at the rear part of the stopper body 4 in the open state is performed. After visually observing the portion 53, the operation portion 53 is pushed with a finger, and the upper portion of the vertically oriented portion 35A of the locking member 35 is moved inwardly against the biasing means 39. In this case, the vertical portion 35A of the locking member 35 rotates about the lower pivot 36, the operation portion 53 is formed obliquely, and a portion that protrudes obliquely inward and upward from the upper end of the vertical portion 35A is formed. Therefore, by pressing the upper side of the operation portion 53 or pressing the operation portion 53 inward, the engagement portion 37 is released from the engagement receiving portion 30, and the engagement state is released. On the front side, by disengaging the engagement portion 27 from the engagement receiving portion 28, the inner plug portion 19 can be pulled out from the outer plug portion 18 and disassembled. The inner plug portion 19 and the outer plug portion 18 that have been disassembled in this way are each washed.

  When assembling the washed inner plug portion 19 and outer plug portion 18, after aligning the engagement portion 27 on the engagement receiving portion 28, the rear side of the inner plug portion 19 is directed upward with the engagement portion 27 as a fulcrum. When lifted, the lower upper surface 53A of the operation portion 53 comes into contact with the inner edge portion 30C of the latch receiving portion 30, and when the rear side of the inner plug portion 19 is further lifted upward from here, it is guided to the inclined lower upper surface 53A. Then, when the locking portion 37 moves inward and passes through the inner edge portion 30C, the vertical portion 35A rotates outwardly about the pivot 36 by the elastic restoring force of the biasing means 39, and the locking receiving portion 30 The locking part 37 is locked. At the same time, the engagement portion 27 is locked to the engagement receiving portion 28, and the left and right outward flanges 32, 32 are in contact with the recess surface 29A. , 34 is engaged.

  In this way, the engaging portion 37 is engaged with the engaging receiving portion 30, and the left and right engaging protrusions 34 are engaged with the left and right engaging recesses 33, 33 so that the inner plug with respect to the outer plug portion 18 is engaged. The part 19 can be prevented from rotating. At the same time, in the rear portion, the locking portion 37 is locked to the locking receiving portion 30, and in the front portion, the engaging portion 27 is locked to the engaging receiving portion 28, whereby the inner plug portion 19 with respect to the outer plug portion 18 is locked. It can be secured. Further, the left and right outward flanges 32, 32 abut on the concave surface 29A, so that the inner plug portion 19 can be prevented from penetrating the outer plug portion 18.

  Further, in a state where the locking member 35 of the inner plug portion 19 is locked to the locking receiving portion 30 of the outer plug portion 18, the locking member 35 of the inner plug portion 19 is exposed above the outer plug portion 18. Since it is provided so as to be able to advance and retract inward, the attachment / detachment state of the locking member 35 can be easily visually confirmed.

  Further, when the inner plug portion 19 is assembled to the outer plug portion 18, the engagement portion 27 of the inner plug portion 19 is engaged with the inward flange 29 of the upper opening 20 of the outer plug portion 18 before the rear side. Otherwise, the locking member 35 on the lid opening / closing hinge shaft 11 side cannot be fitted into the locking receiving portion 30 of the inward flange 29 of the outer plug portion 18, so that only the locking member 35 is fitted, etc. As a result, the assembly can be carried out in the correct procedure without inadequate engagement.

As described above, in this embodiment, the plug body 4 that is detachably attached to the container mouth portion 3 of the container body 2 and the lid body 10 that is provided on the plug body 4 by the lid opening / closing hinge shaft 11 can be opened and closed. The stopper body 4 is mounted on the container mouth 3 of the container body 2 and has an outer stopper portion 18 having an upper opening 20, and the upper opening 20 of the outer stopper portion 18 is detachably inserted from below into the upper opening 20 is arranged inside the outer plug portion 18 while being protruded from 20, and includes an inner plug portion 19 having a fluid passage hole 23, the outer peripheral surface of the inner stopper portion 19, the upper opening 20 of the outer plug portion 18 the engaging portion 27 to be engaged with the engagement receiving portion 28 provided provided on the hinge side of the inner stopper portion 19, provided with a locking member 35 which is biased outwardly, receiving engaging the outer plug portion 18 Since the locking member 35 of the inner plug portion 19 is detachably locked to the locking receiving portion 28 of the outer plug portion 18, the plug body 4 is washed to every corner by removing the inner plug portion 19. This Can be, also, the locking member 35 of the inner plug portion 19 is detachably engaged with the outer plug portion 18, and the locking member 35 becomes excellent in one assembly, economics.

Further, a locking member 35 of the inner plug portion 19 is provided so as to be able to advance and retreat inward of the inner plug portion 19, and the locking member 35 of the inner plug portion 19 is exposed above the outer plug portion 18. The locking member 35 and the outer plug of the inner plug portion 19 are detachably locked to the locking receiving portion 30 and an inward force is applied to the locking member 35 of the inner plug portion 19 when the lid 10 is opened. is locked state of the latch receiving portion 30 is released parts 18, since the internal stopper portion 19 is configured to decompose available-from the outer stopper portion 18, easily detachable state visually check of the locking member 35, Problems such as inadequate installation or leakage due to forgotten installation can be avoided.

Furthermore, since the locking member 35 of the inner plug portion 19 is provided on the inner plug portion 19 so as to be rotatable about the pivot 36 , the locking member 35 of the inner plug portion 19 is rotatable about the pivot 36. When the cover 10 is opened and the lid 10 is opened, the operation part 53 is exposed above the outer plug part 18 and the locking member 35 can be pushed and operated from the top. It will be excellent.

Moreover, since the upper surface of the operation portion 53 of the locking member 35 of the inner plug portion 19 is not horizontal and is inclined so as to increase from the outside toward the inside, the operation portion of the locking member 35 of the inner plug portion 19 In the case of horizontal, only the pushing operation from above is performed, and in the case of vertical, only the inward pulling operation is performed. However, by tilting from the outside toward the inside, the operation from both directions can be supported.

Further, the engaging portion 27 of the inner plug portion 19 is provided at one position at a position facing the locking member 35 on the outer peripheral surface of the drinking mouth 16, and the engaging portion 27 is at a position facing the locking member 35, The engaging portion 27 is locked on the engaging receiving portion 28, and thus the engaging portion 27 of the inner plug portion 19 is provided at one place on the outer peripheral surface of the drinking mouth, so that it is easy to align during assembly. Become.

Further, after the engagement portion 27 on the anti-hinge side of the inner plug portion 19 is engaged with the engagement receiving portion 28 of the inward flange 29 of the upper opening 20 of the outer plug portion 18, the locking member 35 of the inner plug portion 19 is is latched to the latch receiving portion 30 of the outer plug portion 18, only after the engaging portion 27 and the outer plug portion 18 of the upper opening of the engagement receiving portion 28 of the inner plug portion 19 is engaged, the hinge side engagement of Since the stop member 35 can be fitted, it is possible to avoid inadequate engagement such as fitting only the locking member 35 and misassembly.

  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. 8 shows a second embodiment. The lid body 10 is provided with a barrier portion 61 on the rear upper side of the lid lower portion 48, and the barrier portion 61 has an outer peripheral surface formed by bulging the outer periphery of the lid lower portion 48 outward. When the lid is closed, the barrier portion 61 can be opposed to be close to or in contact with the inner side of the upper end of the operation portion 53, whereby the operation portion 53 moves forward and backward. This prevents the locking member 35 from coming off the locking receiving portion 30. When the barrier portion 61 is provided close to the inside of the upper end of the operation portion 53, the locking member 35 does not come off the locking receiving portion 30 even if the operation portion 53 moves and hits the barrier portion 61.

  As described above, in the present embodiment, when the lid 10 is closed, the lid 10 is provided with the obstacle portion 61 that prevents the locking member 35 of the inner plug portion 19 from moving forward and backward. In this case, it is possible to prevent the locking member 35 of the inner plug part 19 from falling inward and releasing the locking, so that the locking is released due to falling or vibration of the product and the inner plug part 19 is displaced. It can be prevented from falling off and leaking.

  FIGS. 9 and 10 show the third embodiment. In the first and second embodiments, the locking member 35 is rotatably provided on the inner plug portion 19 by the pivot 36 and the operation portion 53 is provided. Without providing 36, the lower portion of the vertical portion 35A of the locking member 35 is integrally connected to the inner plug portion 19 by the connecting portion 71, and the mounting portion 38, the biasing means 39, the leg portion 41, and the operation portion 53 are connected. Is not provided.

  The locking member 35 is provided with a cylindrical portion 72 on the upper outer side of the vertical portion 35 </ b> A. The cylindrical portion 72 protrudes laterally outward, the outer end is open, and the cylindrical portion 72 has a separate locking portion. A projection 73 is provided so as to be able to advance and retreat, and an urging means 74 for urging the locking projection 73 outward is provided in the cylindrical portion 72. The urging means 74 is provided from a coil spring provided on the base end of the locking projection 73. The locking projection 73 is prevented from coming off from the cylindrical portion 72 by a stopper (not shown) that engages with the cylindrical portion 72, and the locking projection 73 is locked to the locking receiving portion 76 by the tip of the locking projection 73. A stop 75 is formed. The latch receiving portion 76 includes a latch groove 77 to which the latch portion 75 can be engaged and disengaged, and the latch groove 77 is provided at the rear portion of the inward flange 29 of the outer plug portion 18. In addition, the locking portion 75 of the locking projection 73 has an upper inclined portion 75A and a lower inclined portion 75B connected to each other by a curved portion 75C at the tip in the longitudinal section. Similarly, the locking groove 77 has a longitudinal section. The upper inclined portion 77A and the lower inclined portion 77B are connected to each other by a curved portion 77C at the tip. Further, in the latch receiving portion 76, a curved lower edge 76A is provided at the lower part of the latching groove 77, and a vertical upper edge 76B is provided at the upper part, and the curved lower edge 76A is located outside the vertical upper edge 76B. To do.

  When the rear side of the inner plug portion 19 is pulled down with a predetermined force, the locking projection 73 is retracted by the lower inclined portions 75B and 77B and the urging means 74 is compressed to release the locking. On the other hand, when the inner plug portion 19 is fitted to the outer plug portion 18, the engagement portion 27 is engaged on the engagement receiving portion 28, and this engagement point is a fulcrum. When the rear side of the inner plug portion 19 is pushed upward, the upper inclined portion 73A of the locking projection 73 hits the curved lower edge 76A of the locking receiving portion 76 and is guided by the upper inclined portion 73A, so that the locking projection 73 is When the locking projection 73 moves backward and passes through the curved lower edge 76A, the locking portion 75 is locked in the locking groove 77. The vertical upper edge 76B is formed in a straight line in the vertical direction, and restricts the upward movement of the locking portion 81.

  As described above, in this embodiment, the engagement portion 27 that is engaged with the inward flange 29 of the upper opening 20 of the outer plug portion 18 is provided on the outer peripheral surface of the inner plug portion 19, and the hinge side has elasticity. Since the locking member 35 and the outer plug portion 18 are provided with a locking receiving portion 76, and the locking member 35 of the inner plug portion 19 is detachably locked to the outer plug portion 18, the plug can be removed by removing the inner plug portion 19. The body 4 can be washed to every corner, and the locking member 35 of the inner plug portion 19 is detachably locked to the outer plug portion 18, and the single locking member 35 is easy to assemble and economical. Will also be excellent.

  The fourth embodiment shown in FIGS. 11 and 12 shows a modification of the operation unit 53. The operation unit 53 of this example has an upper part 80 whose upper end faces upward, and the outer surface of the upper part 80 is formed substantially vertically. The upper part 80 is configured to be movable inward and backward with the upper part 80 exposed upward. Further, a locking portion 81 is provided on the outer side of the vertical portion 35A of the locking member 35, and this locking portion 81 is constituted by a protruding portion 82. The protruding portion 82 has an upper inclined portion 82A at the upper portion. The lower inclined portion 82B is formed in a lower portion, and the upper and lower inclined portions 82A and 82B are connected to each other by a curved portion 82C. In addition, a locking receiving portion 83 that is locked by the locking portion 81 is provided in the upper opening 20 of the outer plug portion 18, and the locking receiving portion 83 is arranged with a space in the vertical direction, a lower receiving portion 84, 85 and a recess 86 provided between the upper and lower receiving portions 84, 85, and the inner edge portion 85A of the lower receiving portion 85 is formed in a curved shape. Further, a contact portion 87 is projected inwardly above the engagement receiving portion 28 at a distance from the engagement receiving portion 28, and the engagement portion 27 is provided on the engagement receiving portion 28. In the engaged state, the contact portion 87 contacts the outer surface of the peripheral wall 25 above the engagement portion 27. Further, the upper portion 80 is positioned directly above or outside the position of the pivot 36.

  Then, the operation portion 53 is pushed inward with a finger, the upper portion of the vertical portion 35A of the locking member 35 is moved inwardly against the biasing means 39, and the concave portion 86 and the protruding portion 82 are locked. The inner plug portion 19 can be removed from the outer plug portion 18 by lowering the rear side of the inner plug portion 19 while the inner receptacle portion 19 is assembled to the outer plug portion 18. After the engaging portion 27 is aligned on the upper side, when the rear side of the inner plug portion 19 is lifted upward with the engaging portion 27 as a fulcrum, the upper inclined portion 82A comes into contact with the curved inner edge portion 85A. When the rear side of the inner plug portion 19 is lifted upward, it is guided by the upper inclined portion 82A and the inner edge portion 85A, and the locking portion 81 moves inward, and when it passes through the inner edge portion 85A, the elastic restoring of the biasing means 39 is performed. The vertical portion 35 </ b> A rotates outwardly about the pivot 36 due to the force, and the locking portion 81 is locked to the locking receiving portion 83. At the same time, the engagement portion 27 is locked to the engagement receiving portion 28, and the left and right outward flanges 32, 32 are in contact with the recess surface 29A. , 34 is engaged.

  As described above, in this embodiment, the locking member 35 of the inner plug portion 19 is provided in the rear portion of the inner plug portion 19 so as to be able to advance and retract inward, and the locking member 35 of the inner plug portion 19 is the outer plug portion. 18 can be disassembled by applying an inward force to the locking member 35 of the inner plug portion 19 when the lid body 10 is open. Since the stop member 35 is configured to be able to advance and retract inward while being exposed above the outer plug portion 18, the attachment / detachment state of the locking member 35 can be easily visually confirmed, leakage due to insufficient attachment or forgetting to attach, etc. The problem can be avoided.

  Furthermore, since the locking member 35 of the inner plug portion 19 is provided on the inner plug portion 19 so as to be rotatable about the pivot 36, the locking member 35 of the inner plug portion 19 is coupled at the axial center. When the operation part 53 is provided above and the lid 10 is opened, the operation part 53 is exposed above the outer plug part 18 and the locking member 35 can be pushed and operated from the outside to the inside. It will be.

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

2 Container body 3 Container mouth 4 Plug body
10 Lid
11 Hinge shaft for lid opening / closing
16 drinking mouth
18 External plug
19 Inner plug
20 Top opening
27 Engagement part
28 Engagement receiver
29 Inward 鍔 (top opening 鍔)
30 Locking receiver
35 Locking member
36 Axis
53 Control panel
61 Barrier part
62 Outer surface
76 Locking receiver
80 Top
83 Locking receiver

Claims (6)

A stopper body detachably attached to the mouth of the container body;
The plug body is provided with a lid that can be opened and closed by a hinge.
An outer plug portion having an upper opening with the plug body is mounted on the mouth portion of the container body,
An inner plug portion that is detachably inserted from below into the upper opening of the outer plug portion and is provided so as to protrude from the upper opening and is disposed inside the outer plug portion, and has a liquid passage hole,
On the outer peripheral surface of the inner plug portion, an engagement portion that is engaged with an engagement receiving portion provided in the upper opening of the outer plug portion is provided .
To the hinge side of the inner plug portion, provided with a biased outwardly by the locking member, the latch receiving portion is provided in the outer plug portion, said locking member in said plug unit of the outer plug portion A stopper for a beverage container, wherein the stopper is detachably locked to a locking receiving portion . The locking member in said plug unit is provided to be retractable inwardly of the inner plug portion, the engaging member of the inner plug portion removably attached to the latch receiving portion is exposed above the outer plug portion freely and locking, engagement of the engaging portions of the outer plug portion and the engaging member of the inner plug portion by applying a force inward the engaging member of the inner plug part and the lid in the open time of 2. The stopper for a beverage container according to claim 1 , wherein the stopper is released and the inner stopper can be disassembled from the outer stopper . The stopper for a beverage container according to claim 1 or 2, wherein a locking member of the inner stopper is pivotally coupled to the inner stopper by a pivot . The upper surface of the operation part of the locking member of the inner plug part is not horizontal, but is inclined so as to increase from the outside toward the inside . plug body of the beverage container. Stopper of beverage container according to claim 2 wherein, characterized in that the lid is provided with a fault section to prevent forward and backward movement of the front Symbol in plug portion of the locking member Te closing odor to the lid . The engagement portion of the inner plug portion is provided at one position at a position facing the locking member on the outer peripheral surface of the inner plug portion . plug body of the beverage container.

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