JP6649838B2 - Cap unit and beverage container - Google Patents

Description

  The present invention relates to a cap unit and a beverage container.

  BACKGROUND ART Conventionally, there is a cap unit (plug) that is detachably attached to a mouth and neck portion of a container body having an open top (for example, see Patent Documents 1 and 2). A lid that opens and closes the spout or spout is rotatably attached to the upper part of the cap unit via a hinge. Further, the cap unit has a lid lock mechanism for fixing the lid urged in a direction to open the spout or the spout by the urging member provided at the hinge portion at a position where the spout or the spout is closed. Have.

  In the beverage container provided with such a cap unit, by releasing the fixing of the lid by the lid lock mechanism, the lid is rotated by the urging of the urging member, and the spout or the spout is opened. State. Thereby, the beverage in the container body can be drunk.

JP-A-2015-13673 JP 2002-209768 A

  By the way, in the beverage container provided with the cap unit described above, when drinking or pouring the beverage in the container body, the lid rotates together with the inclined container body in a direction to close the spout or the spout by its own weight. There was something to do. In this case, the container body must be tilted with the lid held down, and the usability becomes very poor.

  The present invention has been proposed in view of such conventional circumstances, and provides a cap unit capable of further improving convenience, and a beverage container provided with such a cap unit. With the goal.

In order to achieve the above object, the present invention provides the following means.
[1] A cap unit detachably attached to the mouth and neck of a container body having an open upper part,
While closing the upper opening of the container body, a cap body provided with a liquid passage on the top,
A lid that opens and closes the liquid passage in a state where the lid is rotatably attached to the cap body via a hinge portion,
The hinge portion is provided with a holding member that holds an open state of the lid at a position where the lid opens the liquid passage port ,
The holding member is made of an elastic member, and has a locking projection projected outward from an opening provided in the hinge portion,
The cap unit , wherein the locking projection locks a proximal end of the lid at a position where the lid opens the liquid passage .
[ 2 ] The holding member has a contact surface portion facing outward from an opening provided in the cap body,
In the state where the locking projection locks the proximal end of the lid, the contact surface portion is in contact with the proximal end of the lid. 1 ] The cap unit according to [ 1 ].
[ 3 ] A first urging member that urges the lid body in the rotation direction and a second urging member that urges the lid body in the rotation axis direction are provided on the hinge portion. Is provided,
The cap unit according to [1] or [2] , wherein the holding member is disposed between the first urging member and the second urging member.
[ 4 ] The hinge portion includes a first hinge bearing portion provided on one of the cap body and the lid, and a second hinge bearing portion provided on the other of the cap body and the lid. The first and second hinge bearings are located between the second hinge bearing and the third hinge bearing. A hinge shaft attached so as to penetrate the second and third hinge bearings in the direction of the rotation axis,
The first biasing member is disposed inside the first hinge bearing portion facing the second hinge bearing portion,
Any one of the above [1] to [3], wherein the second biasing member is disposed inside of the first hinge bearing portion that faces the third hinge bearing portions The cap unit according to 1.
[ 5 ] The cap unit according to [ 3 ] or [ 4 ], wherein the first biasing member is a torsion spring.
[ 7 ] The cap unit according to any one of [ 3 ] to [ 5 ], wherein the second biasing member is a coil spring.
[ 7 ] The hinge according to [1], wherein the hinge portion has a click mechanism that gives a click feeling at a position where the lid opens the liquid passage and maintains an open state of the lid. The cap unit according to any one of claims 1 to 6 .
[ 8 ] The click mechanism includes: a slide member slidably disposed inside the first hinge bearing portion in a state where the click member is urged by the second urging member; Among the surfaces facing each other with the hinge bearing portion, the cover has an engagement concave portion provided on one surface and an engagement convex portion provided on the other surface, and the lid serves as the liquid passage port. The above-mentioned [ 7 ], wherein the engagement convex portion is engaged with the engagement concave portion at a position where the lid is opened, so that a click feeling is given and the lid is kept open. Cap unit.
[ 9 ] A lid lock mechanism for fixing the lid to the cap body against the urging of the first urging member at a position where the lid closes the liquid passage. The cap unit according to any one of the above [1] to [ 9 ], which is characterized in that:
[ 10 ] The cap unit according to any one of [1] to [ 9 ],
A beverage container comprising: a container body to which the cap unit is attached.

  As described above, according to the present invention, it is possible to provide a cap unit capable of further improving convenience and a beverage container provided with such a cap unit.

It is a sectional view showing the composition of the container for drinks concerning one embodiment of the present invention. It is sectional drawing which shows the state at the time of closure of a cap unit. It is a sectional perspective view showing the state at the time of closure of a cap unit. It is a perspective view showing the state at the time of opening of a cap unit. It is a top view which shows the state at the time of opening of a cap unit. It is sectional drawing which shows the state at the time of opening of a cap unit. FIG. 3 is an exploded perspective view illustrating a configuration of a cap unit. It is a perspective view showing the composition of a mouth formation member. 3A and 3B illustrate a configuration of a locking member, wherein FIG. 3A is a perspective view as viewed from a front side, and FIG. 3B is a perspective view as viewed from a rear side. FIG. 4 is an exploded perspective view showing a configuration of a hinge unit of the cap unit. FIG. 4 is an exploded perspective view illustrating a configuration of a first hinge bearing. It is a side view which shows the structure of a 2nd hinge bearing part. It is a side view which shows the torsion spring arrange | positioned inside the 1st hinge bearing part. FIG. 4 is a perspective view illustrating a configuration of a slide member. It is a perspective view showing the composition of the 3rd hinge bearing part.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
As an embodiment of the present invention, for example, a beverage container 1 shown in FIG. 1 will be described. FIG. 1 is a cross-sectional view illustrating the configuration of the beverage container 1.

  As shown in FIG. 1, the beverage container 1 includes a container body 2 and a cap unit 3 that is detachably attached to the container body 2. In the beverage container 1, the beverage (contents) stored in the container body 2 can be kept warm or cold by the container body 2 having a vacuum heat insulating structure.

  Specifically, the container body 2 has a bottomed cylindrical outer container 4 and an inner container 5 made of, for example, stainless steel or the like. It is composed of a joined container of double structure. Further, a vacuum heat insulating layer 6 is provided between the outer container 4 and the inner container 5. The vacuum heat insulating layer 6 can be formed, for example, by closing a deaeration hole provided in the center of the bottom surface of the outer container 4 in a chamber that has been depressurized (evacuated) to a high vacuum.

  The container body 2 includes a substantially circular bottom surface portion 2a, a body portion 2b standing upright in a substantially cylindrical shape from the outer periphery of the bottom portion 2a, and a substantially cylindrical mouth and neck portion 2c having a reduced diameter on the upper side of the body portion 2b. And The upper end of the mouth-neck portion 2c is opened in a circular shape as the upper opening 2d of the container body 2. In addition, a ring-shaped step portion 7 is provided inside the mouth and neck portion 2c so as to protrude over the entire circumference.

  Although the beverage container 1 of the present embodiment has a substantially cylindrical external shape as a whole, the external shape of the beverage container 1 is not particularly limited, and may vary in size and design. At the same time, it is possible to make appropriate changes. The outer peripheral surface of the container body 2 may be coated, printed, or the like.

  The configuration of the cap unit 3 will be described with reference to FIGS. In the following description, the side where the lid 9 is attached to the cap body 8 described later via the hinge portion 10 is referred to as the “rear side” of the beverage container 1, and the opposite side is referred to as the “front side” of the beverage container 1. ".

  FIG. 2 is a cross-sectional view showing a state where the cap unit 3 is closed. FIG. 3 is a sectional perspective view showing a state when the cap unit 3 is closed. FIG. 4 is a perspective view showing a state when the cap unit 3 is opened. FIG. 5 is a top view showing a state when the cap unit 3 is opened. FIG. 6 is a cross-sectional view showing a state when the cap unit 3 is opened. FIG. 7 is an exploded perspective view showing the configuration of the cap unit 3. FIG. 8 is a perspective view illustrating a configuration of a mouth forming member 13 described later. 9A and 9B show a configuration of a locking member 18 described later, wherein FIG. 9A is a perspective view seen from the front side, and FIG. 9B is a perspective view seen from the rear side. FIG. 10 is an exploded perspective view showing the configuration of the hinge unit 10 of the cap unit 3. FIG. 11 is an exploded perspective view showing a configuration of a first hinge bearing 45 described later. FIG. 12 is a plan view showing a configuration of a second hinge bearing 46 described later. FIG. 13 is a plan view showing the torsion spring 27 disposed inside a first hinge bearing 45 described later. FIG. 14 is a perspective view showing a configuration of a slide member 52 described later. FIG. 15 is a perspective view showing a configuration of a third hinge bearing portion 47 described later.

  As shown in FIGS. 1 to 7, the cap unit 3 constitutes a plug that closes the upper opening 2 d of the container body 2. Specifically, the cap unit 3 includes a cap body 8 and a lid 9 rotatably attached to the cap body 8 via a hinge 10.

  The cap body 8 is made of a heat-resistant resin such as polypropylene (PP). The cap main body 8 has a peripheral wall 8a formed in a substantially cylindrical shape so as to be continuous with the body 2b of the container main body 2, and an opening 8b having a diameter smaller than that of the peripheral wall 8a is formed above the peripheral wall 8a. And an upper wall portion 8c.

  The cap body 8 is detachably attached to the mouth and neck 2c of the container body 2 by screwing. For this reason, a female screw portion 11 is provided on the inner peripheral surface of the peripheral wall portion 8a. On the other hand, a male screw portion 12 to be screwed with the female screw portion 11 is provided on the outer peripheral surface of the mouth and neck portion 2c.

  As shown in FIGS. 2 to 6, a mouth forming member 13 forming a spout or a spout (in this embodiment, a spout) is detachably attached to the opening 8 b of the cap body 8. The mouth forming member 13 is made of, for example, a heat-resistant resin such as polypropylene (PP).

  The mouth forming member 13 includes a bottom wall 13a in which the liquid passage 14 is formed, a cylindrical peripheral wall 13b that rises upward from the periphery of the bottom wall 13a, and a lower end of an outer peripheral surface of the bottom wall 13a. A lower flange portion 13c protruding in a ring shape from the upper side, a pair of upper flange portions 13d protruding in the left-right direction from the upper end side of the outer peripheral surface of the peripheral wall portion 13b to the opposite side, and a front upper end of the peripheral wall portion 13b The spout 13 e is protruded in an oblique cut shape.

  A mouth attachment / detachment mechanism 15 for detachably attaching the mouth forming member 13 to the opening 8 b of the cap body 8 is provided between the cap body 8 and the mouth forming member 13. As shown in FIGS. 8 and 9A and 9B, the mouth attaching / detaching mechanism 15 includes a first claw portion 16 on the front side of the mouth forming member 13 and a second claw on the rear side of the mouth forming member 13. And a locking member 18 provided with a portion 17.

  The first claw portion 16 is provided so as to protrude forward from the upper end side of the outer peripheral surface of the peripheral wall portion 13b. The locking member 18 has a pair of arm portions 18a arranged in parallel with each other, and a connecting portion 18b that connects the upper ends (tips) of the pair of arm portions 18a. Further, a pair of support shafts 19 are provided on the lower end (base end) side of the pair of arm portions 18a. The pair of support shafts 19 are provided to protrude from positions facing each other inside the pair of arm portions 18a. From the connecting portion 18b, an elastic piece 20 is provided to protrude from between the pair of arm portions 18a in a state of being arranged in parallel with the pair of arm portions 18a. The second claw portion 17 is provided to protrude rearward from the upper end (tip) side of the locking member 18.

  As shown in FIGS. 1 to 6, the locking member 18 is arranged along the outer peripheral surface on the rear side of the mouth forming member 13. The lower end (base end) of the locking member 18 is rotatably supported by a hinge 21 provided on the mouth forming member 13. Further, an operation portion 18c having a concave portion or a convex portion at the upper end (tip) of the locking member 18 to facilitate the turning operation of the locking member 18 with a finger (see FIG. 9A). ) Is provided.

  As shown in FIG. 8, the mouth forming member 13 is provided with a shaft hole 22 into which the pair of support shafts 19 are fitted, and a contacted portion 23 with which the elastic piece 20 contacts. The shaft hole 22 is provided through a rib wall 13g protruding from the upper surface of the intermediate flange portion 13f located above the lower flange portion 13c along the rear outer peripheral surface of the mouth forming member 13 in the left-right direction. ing. The contacted portion 23 is formed by the rib wall 13g located above the shaft hole 22.

  The hinge portion 21 is configured such that a pair of support shafts 19 are fitted into the inside of the shaft hole 22 from both ends of the shaft hole 22, so that the pair of arm portions 18 a sandwich the rib wall 13 g and the lower end of the locking member 18 ( The base portion is rotatably supported.

  Further, when the distal end side of the locking member 18 is rotated forward (one side in the rotation direction), the elastic piece 20 abuts on the abutted portion 23 so that the elastic piece 20 is elastically deformed. While urging the locking member 18 toward the rear (the other side in the rotation direction). In the mouth attachment / detachment mechanism 15, by changing the length or thickness of the elastic piece 20, it is possible to adjust the urging force when the above-described elastic piece 20 is elastically deformed.

  Further, an extension 18d extending from the front side of the arm 18a of the locking member 18 is provided on the lower surface of the step 13h projecting from the rear side of the peripheral wall 13b of the mouth forming member 13 (see FIG. 9A). ) Prevents the locking member 18 from leaning rearward.

  As shown in FIGS. 2 to 6, the mouth attaching / detaching mechanism 15 has a first locked portion 24 on the front side of the cap body 8 and a second locked portion 25 on the rear side of the cap body 8. are doing. The first locked portion 24 and the second locked portion 25 are formed of step portions respectively provided at front and rear positions along the opening 8b of the upper wall portion 8c.

  In the mouth attaching / detaching mechanism 15, the mouth forming member 13 is fitted into the inside of the opening 8 b of the cap body 8 from below with the first claw portion 16 positioned with respect to the first locked portion 24. . At this time, a pair of upper flange portions 13d is in contact with the lower surface of the upper wall portion 8c of the cap body 8. Further, the first claw portion 16 is locked by the first locked portion 24. Further, as the second claw 17 rides over the edge of the opening 8b while the second claw 17 abuts on the edge of the opening 8b of the cap body 8, the leading end side of the locking member 18 moves forward. , The front end side of the locking member 18 returns to the original position behind, and the second claw portion 17 is locked to the second locked portion 25.

  Thereby, the mouth forming member 13 is in a state of being attached to the opening 8 b of the cap body 8. Further, at the same time as the mouth forming member 13 is mounted, the drinking mouth portion 13e projects outward (upward) from the opening 8b of the cap body 8.

  On the other hand, in the mouth attaching / detaching mechanism 15, the locked state of the second claw portion 17 with respect to the second locked portion 25 is released by an operation of rotating the distal end side of the locking member 18 forward. Thereby, the opening forming member 13 can be removed from the lower side of the opening 8b of the cap main body 8 while releasing the locked state of the first claw portion 16 with the first locked portion 24.

  As shown in FIG. 1, the cap body 8 to which the mouth forming member 13 is attached is attached to the mouth and neck 2 c of the container body 2 so that the mouth forming member 13 is fitted inside the upper opening 2 d. Then, the upper opening 2d of the container body 2 is closed.

  As shown in FIGS. 1 to 6, a water stop packing 26 is detachably attached to the lower flange portion 13 c of the mouth forming member 13. The water stop packing 26 is a ring-shaped seal member for sealing between the step portion 7 (container main body 2) and the mouth forming member 13 (cap main body 8). The waterproof packing 26 is made of an elastic member such as a heat-resistant rubber such as silicone rubber or an elastomer. The waterproof packing 26 is fitted on the outer peripheral portion of the lower flange portion 13c.

  When fitted to the inside of the upper opening 2d of the container main body 2, the waterproof packing 26 comes into close contact with the step portion 7 of the container main body 2 over the entire circumference while being elastically deformed. This makes it possible to seal the gap between the step portion 7 and the mouth forming member 13.

  As shown in FIGS. 2 to 7, the lid 9 opens and closes a spout or a spout (liquid inlet 14) formed by the mouth forming member 13, and is, for example, a heat-resistant resin such as polypropylene (PP). Consists of The cover 9 has a peripheral wall 9a formed in a substantially cylindrical shape so as to be continuous with the peripheral wall 8a of the cap body 8, a top wall 9b covering the top surface of the peripheral wall 9a, and penetrated the top wall 9b. It has a substantially cylindrical inner wall portion 9c that falls from the lower surface of the top wall portion 9b in the state.

  The lid 9 is opened by a torsion spring (first biasing member) 27 provided inside the hinge portion 10 described later in a direction in which the liquid passage 14 of the opening forming member 13 is opened (hereinafter, referred to as an opening direction). Is being biased toward.

  Inside the lid 9, a lid packing 28 for closing the liquid passage 14 of the opening forming member 13 is provided. The lid packing 28 is a plug-shaped sealing member for sealing the mouth forming member 13. The lid packing 28 is made of an elastic member, and can be made of the same material as the water-stop packing 26.

  As shown in FIGS. 2 to 6, the lid packing 28 is a bottomed cylindrical seal member detachably attached to the inner wall 9 c of the lid 9. Specifically, the lid packing 28 is detachably attached to the lower end side of the inner wall 9c in a state where the inner wall 9c is fitted into the cavity 28a inside the lid packing 28. The bottom surface 28b of the lid packing 28 is formed in a dome shape. On the other hand, a step 28c is provided on the outer peripheral portion on the upper side of the lid packing 28.

  The lid packing 28 is detachably attached to the lid 9 by tightly fitting the inner wall portion 9c inside the hollow portion 28a. Thereby, in the cap unit 3, even if the inside of the container body 2 becomes a negative pressure and a force in the pulling direction is generated on the lid packing 28, the lid packing 28 comes off from the inner wall 9 c when the lid 9 is opened. It is possible to prevent that. Conversely, even if the inside of the container body 2 becomes positive pressure and a force in the direction of pushing on the lid packing 28 is generated, the step 28c of the lid packing 28 is brought into contact with the base end of the inner wall 9c, so that the lid is closed. It is possible to prevent the inner wall portion 9 c from further entering the inside of the packing 28.

  In the cap unit 3, when the lid 9 closes the upper part of the cap body 8, the lid packing 28 is in a state of being in close contact with the periphery of the liquid passage 14 while being elastically deformed. Thereby, the liquid passage 14 of the mouth forming member 13 can be closed.

  As shown in FIGS. 1 to 7, a cover member 29 that covers the upper end side of the inner wall portion 9c is detachably attached to the upper surface side of the top wall portion 9b. The cover member 29 is made of the same material as the lid 9 and is formed in a substantially disk shape. On the other hand, a concave portion 30 having a shape corresponding to the cover member 29 is provided on the upper surface of the top wall portion 9b.

  A cover attachment / detachment mechanism 31 for detachably attaching the cover member 29 to the recess 30 is provided between the top wall 9 b and the cover member 29. The cover attaching / detaching mechanism 31 has a third claw portion 32 on the front side of the cover member 29 and a stopper 34 provided with a fourth claw portion 33 on the rear side of the cover member 29.

  The third claw portion 32 is located at the lower end portion on the front side of the cover member 29 and is provided so as to protrude forward from the front end of the cover member 29. The stopper 34 is provided to protrude downward from the lower surface on the rear side of the cover member 29. A fourth claw 33 is provided at the tip of the stopper 34 so as to protrude forward.

  The cover attaching / detaching mechanism 31 has a third locked portion 35 on the front side of the concave portion 30 and a fourth locked portion 36 on the rear side of the concave portion 30. The third locked portion 35 and the fourth locked portion 36 are respectively formed with holes provided at front and rear positions on the bottom surface of the concave portion 30. At the base end of the inner wall portion 9c, a locked piece 9d is provided to protrude rearward.

  In the cover attaching / detaching mechanism 31, the cover member 29 is fitted inside the concave portion 30 with the third claw portion 32 inserted into the third locked portion (hole) 35. At this time, the fourth claw 33 is locked to the locked piece 9d with the stopper 34 inserted into the fourth locked portion (hole) 36.

  Thereby, the cover member 29 is in a state of being mounted inside the concave portion 30. At the same time that the cover member 29 is mounted, the cover member 29 covers the upper end side of the inner wall portion 9c.

  On the other hand, in the cover attaching / detaching mechanism 31, the locked state between the fourth claw 33 and the locked piece 9d is released by pushing the fourth claw 33 provided on the stopper 34 upward. . Thereby, it is possible to remove the cover member 29 from the concave portion 30 while releasing the locked state of the third claw portion 32 with respect to the third locked portion 35. In addition, since the cover attaching / detaching mechanism 31 is located outside the inner wall portion 9c, by removing the cover member 29, it is possible to visually recognize that the inner wall portion 9c is vertically penetrated.

  As described above, the cover member 29 has a structure in which the cover member 29 comes off by being pushed outward from the inner surface of the lid 9. Therefore, when the lid 9 of the cap unit 3 is closed, the cover member 29 cannot be removed. Further, since the stopper 34 is disposed outside the inner wall portion 9c, there is no need to remove the lid packing 28 when removing the cover member 29.

  The cover member 29 is not limited to the same material as that of the lid 9, but may be made of a different material or color, or may be made of a transparent material. In this case, it is possible to make the cap unit 3 excellent in design. Further, by arranging or engraving a three-dimensional structure on the upper part of the cover member 29, the cap unit 3 and the beverage container 1 including the cap unit 3 are customized according to the user's preference. It is possible.

  Further, the cap unit 3 is not limited to the configuration in which the cover member 29 is detachably attached to the lid 9, but may be configured such that the fitting amount of the cover member 29 is tightly adjusted, or the cover member 29 may be The cover member 29 may be provided with a handle such as a handle by adopting a configuration in which the cover member 29 is fixed to the lid body 9 using an adhesive or the like.

  The cap unit 3 fixes the lid 9 to the cap main body 8 against the bias of the torsion spring 27 at a position where the lid 9 closes the liquid passage 14 (hereinafter referred to as a closing position). A lid lock mechanism 37 is provided.

  Specifically, as shown in FIGS. 1 to 6, the lid lock mechanism 37 includes a lock member 39 rotatably attached to the cap body 8 via a hinge section 38, and a hinge section 38 attached to the cap body 8. And a ring stopper 40 rotatably mounted via the

  The lock member 39 is supported by a hinge portion 38 provided on the front side of the cap body 8 (peripheral wall portion 8a) so as to be vertically rotatable. The lock member 39 has a first arm portion 39a extending upward from the hinge portion 38, and a second arm portion 39b extending downward from the hinge portion 38.

  At the tip of the first arm 39a (upper end of the lock member 39), a hook 41 is provided to protrude rearward. An elastic member 42 is disposed between the second arm 39b and the peripheral wall 8a. Note that a spring member such as a coil spring may be used instead of the elastic member 42.

  The ring stopper 40 is formed of a ring-shaped member partially open, and both ends thereof are rotatably supported outside the hinge portion 38. Thus, the ring stopper 40 is rotatable up and down.

  On the other hand, the lid lock mechanism 37 has a lock receiving portion 43 in which the hook portion 41 of the lock member 39 is locked, and a stopper receiving portion 44 in which the ring stopper 40 is hooked. The lock receiving portion 43 is formed of a claw protruding forward from a lower end on the front side of the lid 9 (peripheral wall 9a). The stopper receiving portion 44 has a shape corresponding to the inside of the ring stopper 40 and includes a wall portion protruding forward from a position surrounding the periphery of the lock receiving portion (claw portion) 43.

  In the lid lock mechanism 37, when the lid 9 closes the upper part of the cap body 8, the hook part 41 of the lock member 39 is locked by the lock receiving part 43, so that the lid 9 is moved to the upper part of the cap body 8. Is kept closed. From this state, while the elastic member 42 is elastically deformed, the second arm portion 39b side of the lock member 39 is pressed to release the hook portion 41 from the lock receiving portion 43. Thereby, the lid 9 can be rotated in the opening direction by the bias of the torsion spring 27 in the hinge portion 10.

  On the other hand, in the lid lock mechanism 37, when the lid 9 closes the upper part of the cap body 8, the ring stopper 40 is hung on the stopper receiving portion 44, so that the rotation of the lid 9 in the opening direction is prevented. Will be blocked. Thus, the lid lock mechanism 37 can prevent the lid 9 from being opened by unnecessary operation of the lock member 39.

  By the way, the cap unit 3 of the present embodiment has a hinge structure that is compact and excellent in design by consolidating functions in the hinge unit 10. Specifically, as shown in FIGS. 7, 10, 11 and 13, the hinge portion 10 includes a first hinge bearing portion 45 provided on the cap body 8 and a first hinge bearing portion 45 provided on the lid 9. The second hinge bearing portion 46 and the third hinge bearing portion 47, and the first hinge bearing portion 45 is located between the second hinge bearing portion 46 and the third hinge bearing portion 47. A hinge shaft 48 is attached so as to penetrate the first, second and third hinge bearing portions 45, 46, 47 in the direction of the rotation axis.

  As shown in FIGS. 10 and 13, the first hinge bearing portion 45 is formed in a substantially cylindrical shape having a shaft hole 45 a penetrating in the rotation axis direction, and is formed at a rear central portion of the cap body 8. It is provided so as to protrude from. Further, the first hinge bearing portion 45 is provided with a first housing concave portion 45b in which a surface side facing the second hinge bearing portion 46 is substantially cylindrically concave in the rotation axis direction. Further, the first hinge bearing portion 45 is provided with one arm receiving portion 45c in which the surface facing the second hinge bearing portion 46 is recessed corresponding to the shape of one end of the torsion spring 27. I have.

  As shown in FIGS. 7 and 12, the second hinge bearing portion 46 has a shaft hole 46 a penetrating in the rotation axis direction, and has a shape that is continuous with the first hinge bearing portion 45. It is provided so as to protrude from one side across the rear central portion of the body 9. The second hinge bearing portion 46 has a first facing member (the other facing member) 49 that forms a surface facing the first hinge bearing portion 45.

  The first facing member 49 is attached so as to be fitted inside a first fitting concave portion (the other fitting concave portion) 46b provided in the second hinge bearing portion 46. The first facing member 49 has a material different from that of the second hinge bearing portion 46, such as polyacetal (POM), acrylonitrile-butadiene-styrene (ABS), metal, or the like. A material (POM in the present embodiment) having a higher wear resistance than the material can be suitably used.

  In the cap unit 3 of the present embodiment, the durability of the hinge portion 10 is improved by forming the first facing member 49 having excellent wear resistance separately from the second hinge bearing portion 46. Is possible. Note that the second hinge bearing portion 46 is not necessarily limited to the first facing member 49 formed separately, and may be configured such that the first facing member 49 is integrated.

  On a surface (one surface) of the first facing member 49 facing the first hinge bearing portion 45, a plurality of (four in the present embodiment) protrusions slidingly contacting the first hinge bearing portion 45 are provided. 50 are provided. The other surface of the first facing member 49 facing the first hinge bearing portion 45 is provided with another arm receiving portion 49a that is recessed corresponding to the shape of the other end side of the torsion spring 27. .

  The plurality of protrusions 50 are provided so as to protrude in a substantially hemispherical shape in order to reduce frictional resistance when slidingly contacting the first hinge bearing 45. The plurality of projections 50 are provided radially (at equal intervals) around the shaft hole 45 a formed by the first facing member 49. In addition, it is preferable to arrange at least three or more projections 50.

  On the other hand, a surface (the other surface) of the first hinge bearing portion 45 facing the first facing member 49 is in sliding contact with the plurality of protrusions 50 as shown in FIGS. A surface 45d is provided. The sliding contact surface 45d is formed in a substantially annular shape around the first housing recess 45b and the one arm receiving portion 45c.

  The torsion spring 27 is arranged inside the first hinge bearing 45. Specifically, the torsion spring 27 includes a winding portion 27a wound in a coil shape, one arm portion 27b extending from one end of the winding portion 27a, and a winding portion 27a extending from the other end of the winding portion 27a. And the other extended arm portion 27c.

  The torsion spring 27 accommodates the winding portion 27a inside the first accommodation concave portion 45b, engages one arm portion 27b with one arm receiving portion 45c on the first hinge bearing portion 45 side, and engages the other arm portion 27b with the other arm receiving portion 45c. The arm portion 27c is arranged in a state of being engaged with the other arm receiving portion 49a on the second hinge bearing portion 46 side.

  As a result, in the hinge portion 10, the lid 9 is moved from a position where the lid 9 opens the liquid passage 14 (hereinafter, referred to as an open position) to a side opposite to the opening direction (hereinafter, referred to as a closing direction). When the cap body 8 is rotated toward the cap body 8, the torsion spring 27 is elastically deformed in a direction in which the opening angle between the one arm portion 27b and the other arm portion 27c is reduced. 9 can be urged toward the opening direction.

  As shown in FIGS. 7, 10, 11 and 14, the first hinge bearing portion 45 has a surface side facing the third hinge bearing portion 47 recessed in a substantially cylindrical shape in the rotation axis direction. A second housing recess 45e is provided. A coil spring (second urging member) 51 for urging the lid 9 toward the rotation axis direction is disposed inside the second housing recess 45e. Further, a slide member 52 is slidably disposed in the rotation axis direction inside the second housing recess 45 e while being urged by the coil spring 51.

  The slide member 52 is formed in a substantially cylindrical shape with a bottom, and has a shaft hole 52a formed in the center of the bottom wall, and a notch 52b in which a part of the side wall is cut in the rotation axis direction. are doing. On the other hand, a guide projection 45f inserted inside the cutout 52b is provided on the inner peripheral surface of the second accommodation recess 45e so as to extend in the rotation axis direction. The slide member 52 is slidable in the rotation axis direction without rotating around the rotation axis inside the second housing recess 45e by inserting the guide projection 45f inside the notch 52b. Has become.

  The third hinge bearing portion 47 has a shaft hole 47a penetrating in the rotation axis direction and sandwiches the rear central portion of the lid 9 so as to have a shape continuous with the first hinge bearing portion 45. It is provided so as to protrude from the other side. The third hinge bearing portion 47 has a second facing member (one facing member) 53 that forms a surface facing the first hinge bearing portion 45.

  As shown in FIGS. 10 and 15, the second facing member 53 is fitted inside a second fitting concave portion (one fitting concave portion) 47 b provided in the third hinge bearing portion 47. Installed with. The second facing member 53 is made of a material different from that of the third hinge bearing portion 47, for example, polyacetal (POM), acrylonitrile-butadiene-styrene (ABS), metal, or the like. A material (POM in the present embodiment) having a higher wear resistance than the material can be suitably used.

  In the cap unit 3 of the present embodiment, the durability of the hinge portion 10 is improved by forming the second facing member 53 having excellent wear resistance separately from the third hinge bearing portion 47. Is possible. It should be noted that the third hinge bearing portion 47 is not necessarily limited to the second facing member 53 formed separately, but may be configured such that the second facing member 53 is integrated.

  The hinge shaft 48 is inserted into the shaft holes 45a, 46a, 47a of the first, second, and third hinge bearing portions 45, 46, 47, as shown in FIGS. The first, second, and third hinge bearing portions 45, 46, 47 are attached so as to penetrate in the rotation axis direction.

  The hinge section 10 has a click mechanism 54 that gives a click feeling at the open position and maintains the open state of the lid 9. Specifically, the click mechanism 54 includes an engagement recess 55 on a surface (one surface) of the slide member 52 facing the second facing member 53 and a surface of the second facing member 53 facing the slide member 52. (The other surface) has an engaging projection 56.

  As shown in FIGS. 7, 10, 11, 14, and 15, the engagement recess 55 is provided in a concave shape corresponding to a position where the lid 9 on one surface opens the liquid passage port 14. I have. In addition, an inclined surface 57 that guides the engaging protrusion 56 to the engaging recess 55 in the rotation direction is provided on one surface. The inclined surface 57 is a surface that comes into contact with the engaging convex portion 56 and has an upward slope toward the engaging concave portion 55.

  On the other hand, as shown in FIGS. 10 and 15, the engagement projection 56 is provided so as to protrude from the other surface. In addition, the engaging concave portion 55 and the engaging convex portion 56 have surfaces (hereinafter, referred to as engaging surfaces) 55a and 56a that are engaged with each other in the rotation direction inclined at the same angle.

  The slide member 52 is urged by the coil spring 51 compressed in the second housing recess 45e in a direction approaching the third hinge bearing 47. As a result, the engagement projection 56 is pressed against the slide member 52.

  Conversely, the first hinge bearing portion 45 is urged in a direction approaching the second hinge bearing portion 46 by the coil spring 51 compressed in the second housing recess 45e. As a result, the plurality of protrusions 50 are pressed against the sliding contact surface 45d.

  In the hinge portion 10, when the lid 9 is rotated by a predetermined amount in the opening direction from the closed position, the engagement convex portion 56 of the click mechanism 54 is engaged with the engagement concave portion 55. Become. Thereby, a click feeling can be given at the open position, and the open state of the lid 9 can be maintained by the engagement between the engagement convex portion 56 and the engagement concave portion 55. In this case, when drinking the beverage in the container main body 2, the container main body 2 can be tilted while the open state of the lid 9 is maintained. Further, the open state of the lid 9 is stably held without depending on the urging force of the torsion spring 27, as compared with the case where the open state of the lid 9 is maintained by the urging force of the torsion spring 27 as in the related art. can do.

  Further, in the hinge portion 10, when the lid 9 is rotated from the closed position to the open position, the engagement convex portion 56 comes into contact (sliding contact) with the inclined surface 57 that is inclined upward. It is guided to the engagement recess 55. At this time, the pressing force (frictional resistance) on the engaging projection 56 against the inclined surface 57 increases. Thus, the rotation speed of the lid 9 that is rotated in the opening direction by the bias of the torsion spring 27 can be suppressed. As a result, it is possible to prevent the lid 9 from being vigorously rotated by releasing the lid lock mechanism 37 described above.

  In the click mechanism 54, the engagement surfaces 55a and 56a engaged with each other are inclined at the same angle in a state where the engagement protrusion 56 is engaged with the engagement recess 55. In this case, since unnecessary force is not applied between the engaging surfaces 55a and 56a which are engaged with each other, it is possible to suppress wear and damage of the engaging concave portion 55 and the engaging convex portion 56 to a low level. .

  As shown in FIGS. 2 and 7, the hinge portion 10 is provided with a holding member 58 that holds the lid 9 in the open state at the open position. The holding member 58 is made of an elastic member such as a heat-resistant rubber such as silicone rubber or an elastomer. The holding member 58 has a locking projection 58a and a contact surface 58b.

  An opening 45g is provided on the rear side of the first hinge bearing 45 so as to protrude the locking projection 58a outward. The opening 45g is arranged between the torsion spring 27 housed in the first housing recess 45b and the coil spring 51 housed in the second housing recess 45e. An opening 8d is provided on the rear side of the peripheral wall 8a so that the contact surface 58b faces outward. The opening 45g and the opening 8d are provided continuously between the first hinge bearing 45 and the peripheral wall 8a. The holding member 58 is provided with a shaft hole 58c through which the hinge shaft 48 passes.

  In the cap unit 3 of the present embodiment, as shown in FIG. 6, by rotating the lid 9 further in the opening direction from the above-described open position, the proximal end of the lid 9 is engaged with the locking projection. After climbing over 58a, the locking projection 58a locks the proximal end of the lid 9. Further, in a state where the locking projection 58a locks the proximal end of the lid 9, the proximal end of the lid 9 abuts on the contact surface 58b. Furthermore, the end on the base end side of the lid 9 is held in a state of being sandwiched between the locking projection 58a and the contact surface 58b. Thus, the open state of the lid 9 can be stably held. Further, when the lid 9 is further rotated in the opening direction from the open position, the end on the base end side of the lid 9 abuts against the contact surface 58b, so that the impact can be reduced. It is possible.

  As described above, in the cap unit 3 of the present embodiment, it is possible to obtain a hinge structure that is compact and excellent in design by consolidating the functions in the hinge unit 10 described above.

  That is, in the cap unit 3 of the present embodiment, the torsion spring (first biasing member) 27 and the coil spring (second biasing member) 51 having different biasing directions are rotated inside the hinge 10. By arranging the urging members 27 and 51 side by side in the moving axis direction, these urging members 27 and 51 can be collectively arranged in the hinge portion 10.

  Further, in the cap unit 3 of the present embodiment, a mechanism for rotating the lid 9 in the opening direction by the urging of the torsion spring 27 is provided to the hinge portion 10, and a click feeling is provided at the open position and the lid is provided. A mechanism (click mechanism 54) for holding the open state of the pressing member 9 and the engaging projection 56 are pressed against the slide member 52 by the bias of the coil spring 51, and the plurality of protrusions 50 are pressed against the sliding contact surface 45d. Can be arranged collectively.

  Further, in the cap unit 3 of the present embodiment, the plurality of projections 50 on the second hinge bearing portion 46 side are in sliding contact with the sliding contact surface 45d on the first hinge bearing portion 45 side. When the lid 9 is rotated with respect to 8, the frictional resistance generated in the hinge portion 10 can be suppressed lower than in the related art. Thus, the urging force of the torsion spring 27 and the coil spring 51 can be relatively weakened. As a result, wear generated between the first hinge bearing portion 45 and the second hinge bearing portion 46 and between the first hinge bearing portion 47 and the third hinge bearing portion 47 is suppressed, and the durability of the hinge portion 10 is further improved. It is possible.

  Further, in the cap unit 3 of the present embodiment, since the open state of the lid 9 can be stably held by the holding member 58 described above, the cap unit 3 is tilted when drinking or pouring the beverage (content) in the container body 2. It is possible to prevent the lid 9 from rotating in the closing direction due to its own weight together with the container main body 2. Therefore, in the beverage container 1 including the cap unit 3 of the present embodiment, it is possible to further improve convenience.

Note that the present invention is not necessarily limited to the above-described embodiment, and various changes can be made without departing from the spirit of the present invention.
Specifically, in the hinge section 10, the first hinge bearing section 45 is provided on the cap body 8 side, and the second hinge bearing section 46 and the third hinge bearing section 47 are provided on the lid body 9 side. However, the present invention is not limited to such a configuration. The first hinge bearing portion 45 is provided on the lid 9 side, and the second hinge bearing portion 46 and the third hinge bearing portion 47 are provided on the cap body 8 side. May be adopted. Further, in the hinge portion 10, the configuration on the second hinge bearing portion 46 side and the configuration on the third hinge bearing portion 47 side can be replaced with each other.

  Further, the hinge portion 10 has a configuration in which the plurality of protrusions 50 are provided on the surface of the first facing member 49 facing the first hinge bearing portion 45. A configuration in which a plurality of protrusions 50 are provided on the surface facing the first facing member 49 may be adopted.

  In the hinge part 10, an engagement recess 55 is provided on a surface of the slide member 52 facing the second facing member 53, and an engagement projection 56 is provided on a surface of the second facing member 53 facing the slide member 52. The engaging projection 56 is provided on the surface of the slide member 52 facing the second facing member 53, and is engaged with the surface of the second facing member 53 facing the sliding member 52. A configuration in which the concave portion 55 is provided may be adopted.

  The beverage container 1 is not limited to the one having the above-described external shape, and can be appropriately changed in accordance with the size, function, design, and the like.

  In addition, the present invention can be suitably applied to the beverage container 1 having a function of keeping warm and cool by the container body 2 having the above-described vacuum heat insulating structure. However, the present invention uses the container body 2 having the above-described vacuum heat insulating structure. However, the present invention is not necessarily limited to this. That is, the present invention relates to a beverage container in which the cap unit is detachably attached to the mouth and neck of the container body, and a cooking pot having a pot lid detachably attached to a wide opening such as a pot. It can be widely applied.

  DESCRIPTION OF SYMBOLS 1 ... Container for drinks 2 ... Container main body 2c ... Mouth and neck part 2d ... Upper opening part 3 ... Cap unit 8 ... Cap main body 9 ... Lid 9a ... Peripheral wall part 9b ... Top wall part 9c ... Inner wall part 10 ... Hinge part 13 ... Mouth forming member (tap or pouring spout) 14... Liquid passage 15... Mouth attachment / detachment mechanism (detachment / removal mechanism) 16. First claw portion 17 second claw portion 18. Locking member 19. Piece 21 hinge part 22 shaft hole 23 contacted part 24 first locked part 25 second locked part 26 watertight packing (seal member) 27 torsion spring (first) Biasing member) 28: lid packing (seal member) 29: cover member 30: concave portion 31: cover attaching / detaching mechanism 32: third claw portion 33: fourth claw portion 34: stopper 35: third locked portion 36: fourth locked part 37: lid locking machine Structure 38 Hinge 39 Lock member 40 Ring stopper 41 Hook 42 Elastic member 43 Lock receiver 44 Stopper receiver 45 First hinge bearing 46 Second hinge bearing 47 Second 3 hinge bearing portion 48 hinge shaft 49 first facing member (other facing member) 50 projecting portion 51 coil spring (second biasing member) 52 sliding member 53 second facing member (one side) 54 click mechanism 55 engagement recess 56 engagement protrusion 57 inclined surface 58 holding member 58a locking projection 58b contact surface

Claims (10)

A cap unit detachably attached to the mouth and neck of the container body with an open top,
While closing the upper opening of the container body, a cap body provided with a liquid passage on the top,
A lid that opens and closes the liquid passage in a state where the lid is rotatably attached to the cap body via a hinge portion,
The hinge portion is provided with a holding member that holds an open state of the lid at a position where the lid opens the liquid passage port ,
The holding member is made of an elastic member, and has a locking projection projected outward from an opening provided in the hinge portion,
The cap unit , wherein the locking projection locks a proximal end of the lid at a position where the lid opens the liquid passage . The holding member has a contact surface facing outward from an opening provided in the cap body,
The said contact surface part is contact | abutted with the base-side edge part of the said lid | cover, in the state which the said latching protrusion part latched the proximal-side end part of the said lid | cover. 2. The cap unit according to 1 . The hinge portion includes a first urging member for urging the lid body in a rotation direction and a second urging member for urging the lid body in a rotation axis direction. And
The holding member, the cap unit according to claim 1 or 2, characterized in that it is disposed between the first biasing member and the second biasing member. The hinge portion includes a first hinge bearing portion provided on one of the cap body and the lid, and a second hinge bearing provided on the other of the cap body and the lid. And a third hinge bearing portion, and the first, second and third hinge bearing portions are located between the second hinge bearing portion and the third hinge bearing portion. A hinge shaft attached in a state where the hinge bearing portion extends through the hinge bearing portion in the rotation axis direction.
The first biasing member is disposed inside the first hinge bearing portion facing the second hinge bearing portion,
The said 2nd biasing member is arrange | positioned inside the said 1st hinge bearing part facing the said 3rd hinge bearing part, The Claims any one of Claims 1-3 characterized by the above-mentioned. Cap unit. It said first biasing member is a cap unit according to claim 3 or 4, characterized in that a torsion spring. The cap unit according to any one of claims 3 to 5 , wherein the second biasing member is a coil spring. The hinge according to any one of claims 1 to 6 , wherein the hinge part has a click mechanism that gives a click feeling at a position where the lid opens the liquid passage and maintains an open state of the lid. The cap unit according to claim 1. The click mechanism includes a slide member slidably disposed inside the first hinge bearing portion while being urged by the second urging member, and the slide member and the third hinge bearing portion. A position where the lid has an engaging concave portion provided on one surface and an engaging convex portion provided on the other surface, and the lid opens the liquid passage. 8. The cap unit according to claim 7 , wherein the engagement concave portion engages the engagement convex portion so as to provide a click feeling and to keep the lid body in an open state. A lid lock mechanism for fixing the lid to the cap body against the bias of the first biasing member at a position where the lid closes the liquid passage is provided. The cap unit according to any one of claims 1 to 8 . A cap unit according to any one of claims 1 to 9 ,
A beverage container comprising: a container body to which the cap unit is attached.

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