JP3226157U - Beverage container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a beverage container capable of easily opening and closing the mouth portion of the container body without screwing a lid to the mouth portion of the container body. SOLUTION: The container main body 2 has a mouth 2a and a recessed portion 2b in which the inner peripheral surface on the lower side is depressed, and a lid 3 for closing the mouth 2a. The lid 3 is attached to the mouth 2a. An outer lid 10a to be fitted, an inner lid 10b fitted to the outer lid 10a and having an inner tubular portion 16 that fits into the mouth 2a, and an outer lid 10b slidably fitted to the inner tubular portion 16 of the inner lid 10b. A core member 30 having an outer flange portion 34 at its lower end and an elastically deformable packing 40 slidably fitted on the core member 30 are provided. When the lid body 10 is pushed down in a state where the lid body 3 is fitted in the mouth portion 2a and the outer flange portion 34 of the core member 30 is in contact with the lower surface of the recess portion 2b, the packing 40 is lowered with respect to the core member 30. The skirt portion 42 abuts against the outer flange portion 34 and is spread out, and is press-fitted into the recess portion 2b, so that the recess portion 2b is liquid-tightly pressed. [Selection diagram]

Description

  This invention relates to a beverage container such as a portable thermos bottle or a water bottle.

  As a portable beverage container, for example, there is one disclosed in Patent Document 1. As shown in FIGS. 24 (a) and 24 (b), this beverage container is a container body in which a bottomed cylindrical body 62 having a drinking mouth 62a is mounted in a liquid-tight state on a mouth portion 61a through an outer annular packing 63. 61 and a lid 64 in which an inner annular packing 66 is fitted to a projecting portion 65 that can be fitted into the bottomed tubular body 62, and a female screw 64a formed on the lid 64 is attached to the container body 61. By screwing into the male screw 61b formed on the outer peripheral surface of the mouth portion, the inner annular packing 66 comes into liquid-tight contact with the inner peripheral surface of the bottomed tubular body 62, and the drinking port 62a of the bottomed tubular body 62 is closed. It is like this.

Utility model registration No. 3171801

  As described above, the beverage container shown in Patent Document 1 closes the drinking mouth 62a of the bottomed tubular body 62 by screwing the lid body 64 into the mouth portion 61a of the container body 61. In order to completely close the drinking opening 62a of the bottomed tubular body 62, it is usually necessary to rotate the lid body 64 about once, that is, about 360 degrees. It takes time and effort to open and close, and the inner annular packing 66 of the lid 64 slides on the inner peripheral surface of the bottomed tubular body 62 when the lid 64 is opened and closed. However, there is a problem in that

  In addition, the beverage container of the type in which the lid is screwed into the mouth of the container main body has a problem that the lid and the threaded portion of the container main body are liable to accumulate dirt, which makes cleaning time-consuming.

  Therefore, an object of the present invention is to provide a beverage container in which the mouth of the container body can be easily opened and closed with one touch without screwing the lid to the mouth of the container body.

  In order to solve the above problems, a device according to claim 1 is a beverage container including a container body having a mouth portion, and a lid body closing the mouth portion of the container body, wherein the container body comprises: The inner peripheral surface of the lower side of the mouth portion has a recessed portion that is recessed radially outward, and the lid body has a lid body having an inner cylinder portion that enters the mouth portion of the container body, and the lid body. And a core member that is externally or externally fitted to the inner cylindrical portion of the lid main body so as to be vertically movable, and is externally fitted to the core member and vertically movable with respect to the core member, and with respect to the core member. An elastically deformable tubular packing that descends with respect to the core member in conjunction with the lowering operation of the lid body, and holds the lid body in a lowered state with respect to the core member, which can be released. Locking means and the core member is The packing has an outer flange portion that comes into contact with the lower surface of the recessed portion of the body, and the packing has a thin-walled portion whose outer circumferential surface is recessed radially inward over the entire circumference, and spreads downward from the thin-walled portion in a trumpet shape. A skirt portion covering the upper surface of the outer flange portion of the core member, and the packing and the core member are attached to the mouth of the container body until the outer flange portion of the core member abuts the lower surface of the recessed portion of the container body. The lid body and the packing are lowered with respect to the core member by pushing down the lid body with the skirt portion of the packing abutting the outer flange portion of the core member. Is pushed out and the tip thereof is projected radially outward of the outer flange portion of the core member and press-fitted into the recessed portion of the container main body to be crimped in a liquid-tight state in the recessed portion of the container main body. There is provided a beverage container, characterized in that the state is maintained by the locking means.

  The invention according to claim 2 is the beverage container of the invention according to claim 1, wherein the packing has an outer flange portion projecting radially outward in an upper portion, and the outer flange portion of the core member is the container. By pressing down the lid main body with the packing and the core member being inserted into the mouth of the container body until the bottom surface of the recess of the main body is abutted, the lower surface of the outer flange portion of the packing is the mouth of the container main body. It is characterized in that it is adapted to come into pressure contact with the upper end portion of.

  The invention according to claim 3 is the beverage container according to claim 1 or 2, wherein the locking means is a pair of upright pieces formed on the core member and having a locking portion at an upper end, A pair of operating members having insertion holes into which the upright pieces of the core member can be inserted, which are housed in the member housing portion formed in the lid body so as to be pushed inward in the radial direction of the lid body, and the pair of operating members. And a biasing member for biasing each of the operating members to the outside in the radial direction of the lid main body, wherein the pair of operating members is a member to which the locking portion of the core member inserted into the insertion hole is locked. The operating member has a locking portion, and as the lid body lowers with respect to the core member, the operating member moves downward while being pushed radially inward by the locking portion of the core member, and the locked portion of the operating member is Move to the lower side of the locking claw of the core member The operating member is pushed outward in the radial direction by the urging force of the urging member, and the locking claw of the core member is locked by the locked portion of the operating member, and the lid main body with respect to the core member. Is characterized by being held in a lowered state.

  As described above, in the beverage container according to the first aspect of the invention, the packing and the core member are inserted into the mouth of the container body until the outer flange portion of the core member of the lid comes into contact with the lower surface of the recess of the container body. When the lid body is pushed down in this state, the mouth of the container body is closed in a liquid-tight state by the lid body, the state is held by the locking means, and the lid body is closed by simply unlocking the locking means. Since it can be pulled out from the mouth of the main body, the lid main body is different from the screw type beverage container in which the mouth of the container main body cannot be opened and closed unless the lid is rotated about 360 degrees. The opening and closing of the mouth of the container can be done with a single touch, and the opening and closing operation of the lid does not take time, and the packing slides in the recess of the container body in the circumferential direction when opening and closing the mouth of the container body with the lid. Since no packing is hardly worn, sealing performance effect is obtained that it is difficult to decrease.

  Further, since the lid body and the container body do not have a threaded portion, dirt is less likely to collect and cleaning can be done with less effort.

  Further, in the beverage container of the invention according to claim 2, the packing has an outer flange portion that projects outward in the radial direction at an upper portion, and the outer flange portion of the packing is in a state in which the mouth portion of the container body is closed by the lid body. Since the lower surface of the container comes into pressure contact with the upper end of the mouth of the container body, when the mouth of the container body is closed by the lid, the recess below the mouth of the container body and the container body A liquid-tight state is obtained at two places on the upper end of the mouth portion, the sealing performance is improved, and the beverage filled in the container body can be more reliably prevented from leaking out.

  Further, the beverage container of the invention according to claim 3 is automatically held in a state where the lid body is lowered with respect to the core member only by pushing down the lid body, and the pair of operation members are pushed inward in the radial direction. Since the holding state is released only by this, the operability of locking and unlocking by the locking means is excellent.

(A) is a perspective view which shows one Embodiment of the drink container which concerns on this invention, (b) is a perspective view which shows the state which removed the lid of the drink container same as the above. It is a longitudinal cross-sectional view which shows the container main body which comprises the drink container same as the above. 1A is a vertical cross-sectional view taken along line XX of FIG. 1B showing a lid constituting the beverage container of the above, FIG. 3 is a vertical cross-sectional view taken along line YY of FIG. It is an exploded perspective view showing a lid which constitutes the above-mentioned beverage container. 1A is a vertical cross-sectional view of the lid main body that constitutes the lid body of the above, taken at a position corresponding to line XX shown in FIG. 1B, and FIG. 6B is a vertical cross-sectional view taken along the line YY shown in FIG. 6B, and FIG. 7C is a vertical cross-sectional view taken along the line ZZ shown in FIG. (A) is a plan view showing an outer lid constituting the lid main body of the above, (b) is a bottom view showing the outer lid of the same, (c) is a vertical cross section taken along line XX of (a). FIG. 3D is a vertical sectional view taken along line YY of FIG. (A) is a plan view showing an inner lid that constitutes the same lid body, (b) is a side view showing the same inner lid, and (c) is a side view showing the same inner lid from another direction. , (D) is a vertical sectional view taken along line XX of (a), and (e) is a vertical sectional view taken along line YY of (a). (A) is a plan view showing a core member that constitutes the same lid, (b) is a side view showing the same core member, and (c) is a side view of the same core member seen from another direction. , (D) is a vertical sectional view taken along line XX of (a), and (e) is a vertical sectional view taken along line YY of (a). (A) is a plan view showing a packing that constitutes the same lid, (b) is a side view showing the same packing, and (c) is a longitudinal sectional view taken along line XX of (a). is there. (A) is a plan view showing a lock release button and a coil spring, which are components of the lock means constituting the lid body of the above, (b) is a side view showing the lock release button and the coil spring of the same, (c) is (A) is a cross-sectional view taken along the line X-X, and (d) is a plan view showing a state where the lock release button and the coil spring of the same are assembled to the inner lid of the same. FIG. 1A is a partial vertical cross-sectional view of the beverage container with the above lid fitted to the mouth of the container main body, taken along a line corresponding to line XX in FIG. 1B. [Fig. 2] is a partial vertical cross-sectional view of the beverage container in which the lid body is pushed down from the state shown in (a) to close the mouth portion of the container body at a position corresponding to line XX shown in Fig. 1 (b). FIG. 1A is a partial vertical cross-sectional view of the beverage container with the above lid fitted to the mouth of the container body, taken along the line YY in FIG. 1B. [Fig. 2] is a partial vertical cross-sectional view of the beverage container in which the lid body is pushed down from the state shown in (a) to close the mouth portion of the container body at a position corresponding to the line YY shown in Fig. 1 (b). FIG. 6 is a perspective view showing another embodiment of the beverage container according to the present invention. It is a longitudinal cross-sectional view which shows the container main body which comprises the drink container same as the above. It is an exploded perspective view showing a lid which constitutes the above-mentioned beverage container. It is the perspective view which looked at the lid body which constitutes the above-mentioned lid body from the lower side. It is the exploded perspective view which looked at the lid body same as the above from the lower side. 13 (a) is a vertical cross-sectional view of the lid body of the same taken along the line XX shown in FIG. 13, and FIG. 13 (b) is the lid body of the same taken along the line YY shown in FIG. FIG. 13A is a vertical cross-sectional view of the core member forming the lid body, taken along a line corresponding to line XX in FIG. 13, and FIG. 13B is the same core member as line YY in FIG. It is a longitudinal cross-sectional view broken at a position corresponding to. It is a longitudinal cross-sectional view which shows the packing which comprises the lid body same as the above. (A) is a vertical cross-sectional view of the lid body with the above packing attached, broken at a position corresponding to line XX shown in FIG. 13, (b) shows the lid body with the above packing attached. FIG. 14 is a vertical cross-sectional view taken along a line YY shown in FIG. 13A is a vertical cross-sectional view of the same lid body cut at a position corresponding to line XX shown in FIG. 13, and FIG. 9B is the same lid body at a position corresponding to line YY shown in FIG. FIG. (A) is a partial vertical cross-sectional view of the beverage container in which the above lid is fitted to the mouth of the container body, taken at a position corresponding to line XX shown in FIG. 13, (b) is shown in (a). FIG. 14 is a partial vertical cross-sectional view of the beverage container in which the lid body is pushed down from the state shown to close the mouth of the container body, and the beverage container is broken at a position corresponding to line XX shown in FIG. 13. (A) is a partial sectional view showing a state in which a lid of a screw type beverage container is closed, and (b) is a partial sectional view showing a state in which the lid of the same beverage container is opened.

  Hereinafter, embodiments will be described with reference to the drawings. As shown in FIGS. 1 (a) and 1 (b), the beverage container 1 includes a container body 2 having a mouth portion 2 a and a lid body 3 that closes the mouth portion 2 a of the container body 2.

  As shown in FIG. 2, the container body 2 is a metal container having a bottomed cylindrical shape and a vacuum double-wall structure in which an outer wall and an inner wall are held in a substantially vacuum state. The inner peripheral surface on the side has a recessed portion 2b that is recessed radially outward.

  As shown in FIGS. 3A, 3 </ b> B and 4, the lid 3 has an outer lid 10 a fitted to the mouth 2 a of the container body 2 and a container body fitted to the outer lid 10 a. A lid body 10 including an inner lid 10b that fits into the second mouth 2a, a core member 30 supported by the inner lid 10b so as to be vertically movable with respect to the lid body 10, and a vertical direction with respect to the core member 30. An elastically deformable tubular packing 40 made of silicone rubber that is movably supported by the core member 30, and locking means that holds the lid body 10 in a lowered state with respect to the core member 30 and that can release the holding. It has and.

  As shown in FIGS. 4, 5A to 5C, and 6A to 6C, the outer lid 10 a hangs down from a disc-shaped top plate 11 and a peripheral portion of the top plate 11. And a pair of openings 13 extending from the peripheral edge of the top plate 11 to the upper part of the outer cylinder part, and the upper part of the inner peripheral surface of the outer cylinder part 12. Two pairs of locking claws 14 that face each other and a pair of protruding ridges 15 that extend in the up-down direction are formed on the.

  As shown in FIGS. 4, 5 (a) to 5 (c), and 7 (a) to 7 (e), the inner lid 10b has a bottomed inner cylinder portion 16 and an upper end portion of the inner cylinder portion 16. A button that accommodates the lock release button 51 and the coil spring 57 that form the locking means described above, and that is provided with a support portion 19 that is continuously provided and that is fitted into the outer lid 10a. A housing portion BH is formed.

  The peripheral surface portion of the inner cylindrical portion 16 has a pair of flat surface portions and a pair of arc-shaped curved surface portions connected to both flat surface portions. By forming U-shaped slits on the pair of curved surface portions, respectively. A pair of tongue pieces 17 having locking claws 18 at the lower end are formed.

  The support portion 19 rises from the upper surface of the substrate 20 corresponding to both side edges of the opening 13 of the outer lid 10a and the circular substrate 20 protruding outward from the upper end portion of the inner cylindrical portion 16 to form the button housing portion BH. A pair of opposing flat standing plates 21 to be formed and a pair of arc standing plates 22 that are respectively connected to both ends of each standing plate 21 and rise in an arc shape from the outer edge of the substrate 20 are provided. A pair of holes 23 are formed between the upright plates 21 with the inner tubular portion 16 sandwiched therebetween, into which upright pieces 35 of the core member 30 to be described later are inserted.

  On the outer surfaces of the pair of arc-shaped upstanding plates 21, a vertical groove 24 into which the convex strip 15 of the outer lid 10a is fitted is formed in the central portion, and the locking claws 14 of the outer lid 10a are engaged on both sides. A concave portion 25 to be stopped is formed, and when the support portion 19 is fitted into the outer lid 10a while the convex strip 15 of the outer lid 10a is fitted into the vertical groove 24 of the support portion 19, it is shown in FIG. 5 (c). Thus, the locking claw 14 of the outer lid 10a is locked in the recess 25, and the outer lid 10a and the inner lid 10b are held in the assembled state.

  As shown in FIGS. 3A, 3B, 4 and 8A to 8E, the core member 30 is slidably fitted onto the inner cylindrical portion 16 of the inner lid 10b. The bottomed cylindrical portion 31, the peripheral groove 32 having a predetermined width formed in the middle portion of the outer peripheral surface of the bottomed cylindrical portion 31, and the pair of tongue pieces 17 of the inner cylindrical portion 16 of the inner lid 10b in the peripheral groove 32 portion. A pair of opposed holes 33 formed at positions corresponding to the outer flange portion 34, an outer flange portion 34 protruding radially outward from the lower end portion of the bottomed cylindrical portion 31, and a position corresponding to the flat portion of the inner cylindrical portion 16 at the upper end portion. And a pair of opposing upright pieces 35 having locking claws 36 at the upper end, which are continuously provided in the inner lid 10b, and the bottomed cylindrical portion 31 is fitted onto the inner tubular portion 16 of the inner lid 10b. The locking claws 18 of the pair of tongues 17 formed on the tubular portion 16 engage with the pair of holes 33 so as to be movable in the vertical direction, and the inner lid 10 It is movably supported in the vertical direction in the inner cylinder portion 16 of the.

  As shown in FIGS. 3A, 3 </ b> B, 4 and 9 </ b> A to 9 </ b> E, the packing 40 has a thin portion 41 whose outer peripheral surface is recessed radially inward over the entire circumference. A skirt portion 42 that spreads downward in a trumpet shape from the thin portion 41, an inner flange portion 43 whose inner circumferential surface projects radially inward over the entire circumference, and a radially outer portion from the outer circumferential surface of the upper end portion. And an outer flange portion 44 that projects, and when the inner flange portion 43 is externally fitted to the core member 30 so that the inner flange portion 43 enters the peripheral groove 32 of the core member 30, the inner flange portion 43 has an upper end portion of the peripheral groove 32. Between the upper and lower end portions of the circumferential groove 32 so as to be movable between the lower end portion and the lower end portion, and the skirt portion 42 covers the upper surface of the outer flange portion 34 of the core member 30. The core member 30 slidably supports the core member 30.

  In this manner, when the bottomed cylindrical portion 31 of the core member 30 on which the packing 40 is slidably supported is fitted onto the inner cylindrical portion 16 of the inner lid 10b as described above, FIG. As shown in (b), the upper end of the packing 40 abuts on the lower surface of the substrate 20 of the inner lid 10 b, so that the locking claws 18 of the pair of tongues 17 of the inner tubular portion 16 are made into a pair of the core member 30. The inner flange portion 43 is located at the upper end portion of the circumferential groove 32 while being locked at the upper end portion of the hole 33, and the lower end portion of the skirt portion 42 is in contact with the upper peripheral edge portion of the outer flange portion 34 of the core member 30. It becomes a state.

  As shown in FIGS. 3 (a), 3 (b), 4 and 10 (a) to 10 (d), the locking means includes a pair of opposed upright pieces 35 having locking claws 36 at the upper end of the core member 30. And a pair of lock release buttons 51 housed in the button housing portion BH of the lid body 10 so as to be respectively pushed, and the lock housing release button 51 and the pair of lock release buttons 51 housed in the button housing portion BH. And a coil spring 57 that urges the outer side in the radial direction.

  The lock release button 51 includes a push-in operation portion 52 exposed in the opening 13 of the outer lid 10a, a hole 53 into which a pair of standing pieces 35 of the core member 30 can enter, and an end of the hole 53 on the base end side. It has a locked claw 54 formed on the edge, a pair of notches 55 formed on the base end sides of both sides, and a protrusion 56 to which the ends of the coil springs 57 are fitted, respectively. Two pairs of projecting ridges 26, which are formed in the facing surfaces of the pair of facing plates 21 of the inner lid 10b (supporting portion 19) and which face each other and which extend in the vertical direction and are located in the respective cutout portions 55, are respectively provided. The lock release button 51 is prevented from falling out of the opening 13 of the outer lid 10a by being locked at both ends of the cutout portion 55, and the pushing amount of the lock release button 51 is limited. ..

  The pair of facing claws 36 formed on the upper ends of the pair of standing pieces 35 of the core member 30, respectively, have opposite surfaces that are inclined surfaces that are inclined inward toward the inside, and are locked. The locked claw 54 of the release button 51 has an inclined surface capable of making surface contact with the inclined surface of the locking claw 36, and as shown in FIGS. 3 (a) and 3 (b), with respect to the core member 30. When the lid main body 10 is in the highest position, the locking claw 36 of the core member 30 and the locked claw 54 of the lock release button 51 are in surface contact with each other.

  In the beverage container 1 configured as described above, when closing the mouth 2a of the container body 2 with the lid 3, as shown in FIGS. 11 (a) and 12 (a), the outside of the core member 30 is removed. By pushing down the lid body 10 with the packing 40 and the core member 30 inserted into the mouth portion 2a of the container body 2 until the flange portion 34 comes into contact with the lower surface of the recess portion 2b of the container body 2, as shown in FIG. As shown in FIG. 12B, the lid body 10 and the packing 40 descend with respect to the core member 30, and accordingly, the skirt portion 42 of the packing 40 abuts against the outer flange portion 34 of the core member 30 and pushes it. It is expanded and its tip projects radially outward of the outer flange portion 34 of the core member 30 and is press-fitted into the recessed portion 2b of the container body 2, whereby the recessed portion 2b of the container body 2 is crimped in a liquid-tight state. , Lid body The lower surface of the outer flange portion 44 of the packing 40 is depressed is in pressure-contact with a liquid-tight state to the upper end of the mouth portion 2a of the container body 2 by 0.

  In addition, as described above, the lid body in the state in which the packing 40 and the core member 30 are inserted into the mouth portion 2a of the container body 2 until the outer flange portion 34 of the core member 30 contacts the lower surface of the recessed portion 2b of the container body 2. When the lid 10 is pushed down, the lock release button is released by the locking claw 36 of the upright piece 35 of the core member 30 that is in surface contact with the locked claw 54 of the lock release button 51 as the lid body 10 lowers with respect to the core member 30. When the locked claw 54 moves to the lower side of the locking claw 36, the lock release button 51 is pushed radially outward by the urging force of the coil spring 57 and the locking claw 36 moves. 11 (b) and 12 (b), the lid body 10 is pushed down with respect to the core member 30, that is, the opening 2a of the container body 2 is covered by the lid body 3. Blocked It is held in the state.

  In this way, in order to remove the lid 3 that closes the mouth 2a of the container body 2, the pair of lock release buttons 51 are simultaneously pushed inward in the radial direction so that the locking claws 36 with respect to the locked claws 54 are pushed. When the locking is released, the packing 40 is pushed up against the core member 30 by the restoring force of the packing 40 that is elastically deformed in a state where the skirt portion 42 is spread out, so that the lid body 10 is also pushed up. Then, the lid body 10 shown in FIGS. 11A and 12A returns to the state before it is pushed down, so that the lid body 3 can be removed from the container body 2 by pulling it out from the opening 2a of the container body 2. it can.

  As described above, the beverage container 1 includes the packing 40 and the core member 30 in the mouth portion of the container body 2 until the outer flange portion 34 of the core member 30 of the lid 3 comes into contact with the lower surface of the recess 2b of the container body 2. By simply pushing down the lid body 10 in a state where the lid body 10 is inserted in the container 2a, the mouth 2a of the container body 2 is closed in a liquid-tight state by the lid body 3 and the state is held by the locking means, and the pair of lock release buttons 51 By simply pushing inwardly inward in the radial direction, the lock by the locking means is released, and the lid 3 can be pulled out from the opening 2a of the container body 2. Therefore, if the lid is not rotated about 360 degrees, Unlike the screw type beverage container in which the mouth of the main body cannot be opened and closed, the mouth 2a of the container body 2 can be opened and closed by the lid 3 with one touch, and the opening and closing operation by the lid 3 can be performed. It does not take time and the packing 40 does not slide in the recess 2b of the container body 2 in the circumferential direction when the opening 2a of the container body 2 is opened and closed by the lid 3, so that the packing 40 is less likely to wear and the sealing performance is deteriorated. The effect is that it is difficult to do. Further, since the lid body 3 and the container body 2 do not have a threaded portion, it is possible to obtain an effect that dirt is less likely to collect and cleaning is not troublesome.

  Further, in this beverage container 1, the packing 40 has an outer flange portion 44 protruding outward in the radial direction at an upper portion, and the outer flange portion of the packing 40 when the mouth 2a of the container body 2 is closed by the lid 3. Since the lower surface of the portion 44 is pressed against the upper end of the mouth 2a of the container body 2 in a liquid-tight manner, when the lid 3 closes the mouth 2a of the container body 2, A liquid-tight state is established at two places, the depression 2b on the lower side of the mouth 2a and the upper end of the mouth 2a of the container body 2, the sealing performance is improved, and the leakage of the beverage filled in the container body 2 is more reliable. Can be prevented.

  Further, this beverage container 1 is automatically held in a state where the lid body 10 is lowered with respect to the core member 30 by the locking means only by pushing down the lid body 10, and the pair of lock release buttons 51 of the locking means. Since the holding state is released only by pushing in at the same time inward in the radial direction, the operability of locking and unlocking by the locking means is excellent.

  Further, when the core member 30 is pulled downward in the state shown in FIGS. 3A and 3B, the lid 3 of the beverage container 1 has a pair of inner cylinders 16 of the inner lid 10b. As the tongue piece 17 bends inward in the radial direction, the engagement of the locking claw 18 with the pair of opposed holes 33 of the core member 30 is released, so that the core member 30 can be pulled out together with the packing 40 from the lid body 10. Further, when the packing 40 fitted onto the core member 30 is removed from the core member 30, the lid body 10, the core member 30, and the packing 40 can be washed separately, so that the lid body 3 is washed. Good workability.

  13 to 23 show another embodiment. As shown in FIGS. 13 and 14, this beverage container 1A is also a vacuum double wall having a recessed portion 2b whose inner peripheral surface on the lower side of the mouth portion 2a is recessed radially outward, as in the above-described beverage container 1. The container body 2A having a structure and the lid 3A for closing the mouth 2a of the container body 2A are provided. The lid 3A is attached to the lid body 10A and the lid body 10A as shown in FIG. It is composed of a core member 30A and a cylindrical packing 40A made of elastically deformable silicone rubber.

  As shown in FIGS. 16 to 18 (a) and (b), the lid body 10A is inserted into the outer cylinder portion 12A fitted in the mouth portion 2a of the container body 2A and the mouth portion 2a of the container body 2A. By mounting the base member 10c having the tubular portion 16A and the inner tubular portion 16A of the base member 10c, a button housing portion BH housing the unlock button 51 and the coil spring 54 is formed in the base member 10c, and the button housing portion is formed. In order to prevent the lock release button 51 from falling off from the BH, the lock release button 51 and the auxiliary member 10d for holding the coil spring 57 are formed in the button housing portion BH, and the auxiliary member 10d is an inner cylindrical portion of the base member 10c. The lower end portion has an outer flange portion 27A that extends radially outward from the lower end of the inner tubular portion 16A when mounted on the lower end portion 16A.

  As shown in FIGS. 15 and 19 (a) and (b), the core member 30A includes a tubular portion 31A having an outer flange portion 34A at the lower end and an outer periphery of the tubular portion 31A, the upper end of which is closed. It is provided with a peripheral groove 32A having a predetermined width formed in the middle part of the surface, and a pair of opposed upright pieces 35A standing up from the upper end of the tubular portion 31A and having a locking claw 36A at the upper end.

  As shown in FIGS. 15 and 20, the packing 40A has a thin portion 41A whose outer peripheral surface is recessed radially inward over the entire circumference, and a skirt portion 42A which spreads downward from the thin portion 41A in a trumpet shape. An inner flange portion 43A whose inner circumferential surface projects radially inward over the entire circumference, an outer flange portion 44A which projects radially outward from the outer circumferential surface of the upper end, and an inner flange portion 43A on the inner circumferential surface. It has a peripheral groove 45A formed adjacent to the upper side, and as shown in FIGS. 21 (a) and 21 (b), the outer flange portion 27A of the auxiliary member 10d is fitted into the peripheral groove 45A. The upper half portion is externally fitted to the inner cylindrical portion 16A of the base member 10c while being prevented from coming off.

  Therefore, as shown in FIGS. 21A and 21B, when the core member 30A is fitted into the inner cylindrical portion 16A of the base member 10c on which the auxiliary member 10d of the lid body 10A to which the packing 40A is attached is fitted, As shown in FIGS. 22A and 22B, the inner flange portion 43A of the packing 40A enters the circumferential groove 32A of the core member 30A, and the core member 30A moves vertically with respect to the packing 40A (lid body 10). While being supported by the packing 40A as much as possible, the inner flange portion 43A is located at the upper end portion of the circumferential groove 32A, and the lower end portion of the skirt portion 42A is in contact with the upper peripheral edge portion of the outer flange portion 34A of the core member 30A. The lid 3A is obtained.

  In the beverage container 1A configured as described above, in order to close the mouth 2a of the container body 2A with the lid 3A, as shown in FIG. 23 (a), as in the above-described beverage container 1, the core member 30A is used. By pushing down the lid body 10A with the packing 40A and the core member 30A inserted in the mouth 2a of the container body 2A until the outer flange portion 34A of the container abuts the lower surface of the recess 2b of the container body 2A, the same figure (b ), The lid body 10A and the packing 40A are lowered with respect to the core member 30A, and along with that, the skirt portion 42A of the packing 40A abuts against the outer flange portion 34A of the core member 30A and is expanded. The tip projects outwardly in the radial direction of the outer flange portion 34A of the core member 30A and is press-fitted into the recess 2b of the container body 2A, whereby the recess 2b of the container body 2A is inserted. While it is crimped in a tight manner, so as to press in liquid-tight manner to the upper end of the mouth portion 2a of the lower surface is the container body 2A of the outer flange 44A of the packing 40A which is depressed by the lid body 10.

  In addition, a pair of facing upright pieces 35A having locking claws 36A on the upper end of the core member 30A, and a pair of lock release buttons 51 and a coil spring 57 housed and held in the button housing portion BH of the lid body 10A, respectively, as a locking means. The lock operation and the unlock operation thereof are the same as those of the beverage container 1 described above, and thus the description thereof will be omitted.

  In addition, the lid 3A of the beverage container 1A has a circumferential groove formed in the core member 30A by elastically deforming the packing 40A when the core member 30A is pulled downward in the state shown in FIGS. 22 (a) and (b). Since the inner flange portion 43A of the packing 40A falls off from 32A, the core member 30A can be pulled out from the lid main body 10, and further, the packing 40A externally fitted to the inner tubular portion 16A of the lid main body 10A (base member 10c). When the lid body 10A (base member 10c) is removed, the lid body 10A, the core member 30A, and the packing 40A can be washed separately, so that the lid body 3A is washed similarly to the beverage container 1 described above. Good workability.

  Further, in each of the above-described embodiments, the core member 30 externally fitted to the inner tubular portion 16 of the lid body 10 is vertically movable with respect to the lid body 10 and is vertically movable and pushed down by the lid body 10. The beverage container 1 including the lid body 3 in which the packing 40 is fitted onto the core member 30 as possible, and the core member 30A which is fitted inside the inner cylindrical portion 16A of the lid body 10A so as to be vertically movable relative to the lid body 10A. With respect to the lid 3A, the lower half of the packing 40A is externally fitted to the core member 30A so as to be movable in the vertical direction, and the upper half of the packing 40A is externally fitted to the inner cylindrical portion 16A of the lid body 10. Although the beverage container 1A having the above has been described, the form of the lid is not limited to this, and the lid main body can be pushed down with respect to the core member, and the packing is interlocked with the pushing down operation of the lid main body. If the pushed down relative to the core member, it is possible to adopt various forms.

  INDUSTRIAL APPLICABILITY The present invention can be used as a portable beverage container such as a portable thermos bottle or a water bottle.

DESCRIPTION OF SYMBOLS 1, 1A Beverage container 2, 2A Container body 2a Mouth portion 2b Dimple 3, 3A Lid body 10, 10A Lid body 10a Outer lid 10b Inner lid 10c Base member 10d Auxiliary member 11 Top plate 12, 12A Outer tube portion 13 Opening 14 Locking claw 15 Convex ridges 16 and 16A Inner cylinder 17 Tongue piece 18 Locking claw 19 Support 20 Base plate 21 Standing plate 22 Circular arc standing plate 23 Hole 24 Vertical groove 25 Recess 26 Convex ridge 27A Outer flange 30 and 30A Core member 31 Bottomed cylindrical portion 31A Cylindrical portion 32, 32A Circumferential groove 33 Hole 34, 34A Outer flange portion 35, 35A Standing piece 36, 36A Locking claw 40, 40a Packing 41, 41A Thin portion 42, 42A Skirt portion 43, 43A Inner flange part 44, 44A Outer flange part 45A Circumferential groove 51 Lock release button 52 Push-in operation part 53 Hole 54 Locked claw 5 notch 56 protrusion 57 coil spring BH button accommodating portion

Claims (3)

A beverage container comprising a container body having a mouth portion, and a lid for closing the mouth portion of the container body,
The container body has a recessed portion in which the inner peripheral surface on the lower side of the mouth portion is recessed radially outward,
The lid is
A lid body having an inner cylinder portion that enters the mouth portion of the container body;
A core member externally or internally fitted to an inner cylinder portion of the lid body so as to be movable in the vertical direction with respect to the lid body;
An elastically deformable tubular packing that is fitted onto the core member so as to be movable in the vertical direction with respect to the core member, and that descends with respect to the core member in conjunction with the lowering operation of the lid main body with respect to the core member. When,
Holding the lid body in a lowered state with respect to the core member, and a locking means capable of releasing the holding,
The core member has an outer flange portion that abuts the lower surface of the hollow portion of the container body at the lower end portion,
The packing has a thin-walled portion whose outer peripheral surface is recessed radially inward over the entire circumference, and a skirt portion which spreads downward from the thin-walled portion in a trumpet shape and covers the upper surface of the outer flange portion of the core member. Have,
By pressing down the lid main body in a state where the packing and the core member are inserted into the mouth portion of the container main body until the outer flange portion of the core member abuts the lower surface of the recessed portion of the main container body, with respect to the core member. The lid body and the packing are lowered, and accordingly, the skirt portion of the packing abuts against the outer flange portion of the core member and is spread, and the tip end thereof is radially outside the outer flange portion of the core member. A beverage container, wherein the beverage container is bulged out and press-fitted into the recess of the container body to be crimped in a liquid-tight state to the recess of the container body, and the state is held by the locking means. The packing has an outer flange portion that projects outward in the radial direction at the top,
The outer flange portion of the packing is pushed down by pushing down the lid body in a state where the packing and the core member are inserted into the mouth portion of the container body until the outer flange portion of the core member contacts the lower surface of the recessed portion of the container body. The beverage container according to claim 1, wherein the lower surface of the portion is in pressure contact with the upper end portion of the mouth portion of the container body. The locking means is
A pair of upstanding pieces formed on the core member, each having an engaging portion at the upper end,
A pair of operation members having insertion holes into which the upright pieces of the core member can be inserted, which are housed in the member housing portion formed in the lid body so as to be respectively pushed inward in the radial direction of the lid body;
A pair of operating members, and a biasing member for biasing the lid body radially outward of the lid body,
The pair of operating members has a locked portion to which the locking portion of the core member inserted in the insertion hole is locked,
With the lowering of the lid body with respect to the core member, the operating member descends while being pushed inward in the radial direction by the locking portion of the core member, and the locked portion of the operating member is the locking claw of the core member. Moving downward, the operating member is pushed outward in the radial direction by the urging force of the urging member, and the locking claw of the core member is locked by the locked portion of the operating member. The beverage container according to claim 1 or 2, wherein the lid body is held in a lowered state.

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