JP2017190156A - Cap unit and beverage container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap unit which enables further improvement of convenience.SOLUTION: A cap unit 3 is detachably attached to a neck part of a container body opening at its upper part and includes: a cap body 8 which closes an upper opening of the container body and in which a liquid passing port 14 is provided at an upper part; and a lid body 9 which opens or closes the liquid passing port 14 while being rotatably attached to the cap body 8 through a hinge part 10. A holding member 58 which holds an opening state of the lid body 9 at a position where the lid body 9 opens the liquid passing port 14 is provided at the hinge part 10.SELECTED DRAWING: Figure 6

Description

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

  Conventionally, there is a cap unit (plug body) that is detachably attached to a mouth and neck portion of a container body having an open top (see, for example, Patent Documents 1 and 2). On the top of the cap unit, a lid body that opens and closes a drinking mouth or a spout is rotatably attached via a hinge portion. Further, the cap unit has a lid lock mechanism for fixing the lid body biased in the direction of opening the drinking mouth or the spout by the biasing member provided in the hinge portion at a position where the drinking mouth or the spout is closed. I have.

  In a beverage container having such a cap unit, the lid or pour spout is opened while the lid is rotated by the urging force of the urging member by releasing the fixation of the lid by the lid locking mechanism. It becomes a state. Thereby, the drink in a container main body can be drunk.

JP2015-13673 A JP 2002-209664 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 body rotates together with the tilted container body in a direction to close the drinking mouth 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 is 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 that is detachably attached to the mouth and neck of a container body having an open top,
A cap body having a liquid passage opening provided at the top thereof, and closing the upper opening of the container body;
A lid that opens and closes the liquid passage opening in a state of being rotatably attached to the cap body via a hinge portion;
The cap unit, wherein the hinge part is provided with a holding member that holds the lid in an opened state at a position where the lid opens the liquid passage port.
[2] The holding member is made of an elastic member, and has a locking projection protruding outward from an opening provided in the hinge portion,
The cap unit according to [1], wherein the locking protrusion locks an end portion on a proximal end side of the lid body at a position where the lid body opens the liquid passage port.
[3] The holding member has a contact surface portion facing outward from an opening provided in the cap body,
The contact surface portion is in contact with the end portion on the base end side of the lid body in a state where the locking protrusion locks the base end side end portion of the lid body. 2].
[4] The hinge portion includes 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. And
The cap according to any one of [1] to [3], wherein the holding member is disposed between the first urging member and the second urging member. unit.
[5] The hinge portion is a first hinge bearing portion provided on one of the cap body and the lid, and a second provided on the other of the cap body and the lid. In the state where the first hinge bearing portion is positioned between the hinge bearing portion and the third hinge bearing portion, and the second hinge bearing portion and the third hinge bearing portion. A hinge shaft attached in a state of penetrating the second and third hinge bearing portions in the direction of the rotation axis,
The first urging member is disposed inside the first hinge bearing portion facing the second hinge bearing portion;
Any one of the items [1] to [4], wherein the second urging member is disposed inside the first hinge bearing portion facing the third hinge bearing portion. Cap unit as described in.
[6] The cap unit according to [4] or [5], wherein the first urging member is a torsion spring.
[7] The cap unit according to any one of [4] to [6], wherein the second urging member is a coil spring.
[8] The hinge unit includes a click mechanism that provides a click feeling at a position where the lid opens the liquid passage opening and holds the lid open. -The cap unit as described in any one of [7].
[9] The click mechanism includes a slide member that is slidably disposed inside the first hinge bearing portion while being urged by the second urging member, the slide member, and the third Of the surfaces opposed to each other with the hinge bearing portion, the lid has an engagement recess provided on one surface and an engagement projection provided on the other surface, and the lid has the liquid passage opening. The engagement convex portion is engaged with the engagement concave portion at a position to be opened, thereby providing a click feeling and maintaining the open state of the lid body. Cap unit.
[10] A lid lock mechanism for fixing the lid body to the cap body against the urging force of the first urging member at a position where the lid body closes the liquid passage port. The cap unit according to any one of [1] to [9], which is characterized.
[11] The cap unit according to any one of [1] to [10],
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 sectional drawing which shows the structure of the container for drinks concerning one Embodiment of this invention. It is sectional drawing which shows the state at the time of closure of a cap unit. It is a section perspective view showing the state at the time of closure of a cap unit. It is a perspective view which shows the state at the time of open | release of a cap unit. It is a top view which shows the state at the time of open | release of a cap unit. It is sectional drawing which shows the state at the time of open | release of a cap unit. It is a disassembled perspective view which shows the structure of a cap unit. It is a perspective view which shows the structure of a mouth formation member. The structure of a locking member is shown, (a) is the perspective view seen from the front side, (b) is the perspective view seen from the back side. It is a disassembled perspective view which shows the structure of the hinge part of a cap unit. It is a disassembled perspective view which shows the structure of a 1st hinge bearing part. 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. It is a perspective view which shows the structure of a slide member. It is a perspective view which shows the structure of a 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 showing 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. The beverage container 1 can retain or cool the beverage (contents) contained in the container body 2 by the container body 2 having a vacuum heat insulating structure.

  Specifically, the container body 2 includes a bottomed cylindrical outer container 4 and an inner container 5 made of, for example, stainless steel, and the mouth portions of the container body 2 are disposed in a state where the inner container 5 is accommodated inside the outer container 4. It consists of a double-structured container that is joined. 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 at the center of the bottom surface of the outer container 4 in a chamber that is depressurized (evacuated) to a high vacuum.

  The container body 2 includes a substantially circular bottom surface portion 2a, a body portion 2b that rises in a substantially cylindrical shape from the outer periphery of the bottom surface portion 2a, and a substantially cylindrical mouth and neck portion 2c that is reduced in diameter on the upper side of the body portion 2b. And have. Further, the upper end portion of the mouth-and-neck portion 2 c opens in a circular shape as the upper opening portion 2 d of the container body 2. Further, a ring-shaped stepped portion 7 is provided on the inner side of the mouth-and-neck portion 2c so as to protrude over the entire circumference.

  In addition, although the container 1 for drinks of this embodiment has the substantially cylindrical external appearance shape as a whole, about the external appearance shape of the drink container 1, it is not specifically limited, For size, a design, etc. In addition, it is possible to make appropriate changes. The outer peripheral surface of the container body 2 may be painted or printed.

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

  FIG. 2 is a cross-sectional view showing a state when the cap unit 3 is closed. FIG. 3 is a cross-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 showing a configuration of the mouth forming member 13 described later. 9A and 9B show a configuration of a locking member 18 to be described later. 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 portion 10 of the cap unit 3. FIG. 11 is an exploded perspective view showing a configuration of a first hinge bearing portion 45 described later. FIG. 12 is a plan view showing a configuration of a second hinge bearing portion 46 to be described later. FIG. 13 is a plan view showing a torsion spring 27 disposed inside a first hinge bearing portion 45 to be 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 to be 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 body 9 that is rotatably attached to the cap body 8 via a hinge portion 10.

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

  The cap body 8 is detachably attached to the mouth neck portion 2c of the container body 2 by screwing. For this reason, the internal thread part 11 is provided in the internal peripheral surface of the surrounding wall part 8a. On the other hand, a male screw portion 12 that is 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 that forms a drinking mouth or a spout (a drinking mouth in the present embodiment) is detachably attached to the opening 8 b of the cap body 8. The mouth forming member 13 is made of a heat resistant resin such as polypropylene (PP).

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

  Between the cap body 8 and the mouth forming member 13, a mouth detaching mechanism 15 for detachably attaching the mouth forming member 13 to the opening 8 b of the cap body 8 is provided. As shown in FIGS. 8 and 9A and 9B, the mouth 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 1st nail | claw part 16 protrudes ahead from the upper end side of the outer peripheral surface of the surrounding wall part 13b, and is provided. The locking member 18 includes a pair of arm portions 18a arranged in parallel to each other and a connecting portion 18b that connects the upper ends (tips) of the pair of arm portions 18a. A pair of support shafts 19 is provided on the lower end (base end) side of the pair of arm portions 18a. The pair of support shafts 19 are provided so as to protrude from positions facing each other inside the pair of arm portions 18a. From the connecting portion 18b, the elastic piece 20 is provided so as to protrude from between the pair of arm portions 18a 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 disposed along the outer peripheral surface on the rear side of the mouth forming member 13. The lower end (base end) portion of the locking member 18 is rotatably supported by a hinge portion 21 provided in the mouth forming member 13. In addition, the upper end (tip) portion of the locking member 18 has an operation portion 18c (see FIG. 9A) having a concave portion or a convex portion for facilitating the rotation operation of the locking member 18 with a finger. ) 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 is in contact. The shaft hole 22 is provided through the rib wall 13g protruding from the upper surface of the intermediate flange portion 13f positioned above the lower flange portion 13c along the outer peripheral surface on the rear side of the mouth forming member 13 in the left-right direction. ing. The abutted portion 23 is formed by a rib wall 13 g located above the shaft hole 22.

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

  Further, when the distal end side of the locking member 18 is rotated toward the front side (one in the rotation direction), the elastic piece 20 comes into contact with the contacted portion 23, whereby the elastic piece 20 is elastically deformed. However, the locking member 18 is urged toward the rear side (the other side in the rotation direction). In the mouth detaching mechanism 15, it is possible to adjust the urging force when the elastic piece 20 is elastically deformed by changing the length and thickness of the elastic piece 20.

  Also, see an extension 18d (see FIG. 9A) extending from the front side of the arm portion 18a of the locking member 18 on the lower surface of the step portion 13h protruding from the rear side of the peripheral wall portion 13b of the mouth forming member 13. ) Prevents the locking member 18 from tilting backward.

  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. doing. The 1st to-be-latched part 24 and the 2nd to-be-latched part 25 consist of the level | step-difference part each provided in the front-back position along the opening part 8b of the upper wall part 8c.

  In the mouth detaching mechanism 15, the mouth forming member 13 is fitted from the lower side into the opening 8 b of the cap body 8 with the first claw portion 16 positioned with respect to the first locked portion 24. . At this time, the pair of upper flange portions 13d are 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 to the first locked portion 24. Furthermore, as the second claw portion 17 rides over the edge of the opening portion 8b while the second claw portion 17 contacts the edge of the opening portion 8b of the cap body 8, the front end side of the locking member 18 moves forward. The second claw portion 17 is locked to the second locked portion 25 at the same time as the distal end side of the locking member 18 returns to the original position at the rear.

  Accordingly, the mouth forming member 13 is attached to the opening 8b of the cap body 8. In addition, at the same time that the mouth forming member 13 is mounted, the drinking mouth part 13e protrudes outward (upward) from the opening 8b of the cap body 8.

  On the other hand, in the mouth attaching / detaching mechanism 15, the second claw portion 17 is unlocked from the second locked portion 25 by an operation of rotating the front end side of the locking member 18 forward. Thereby, it is possible to remove the mouth forming member 13 from the lower side of the opening 8b of the cap body 8 while releasing the locked state of the first claw portion 16 with respect to 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 portion 2 c of the container body 2, so that the mouth forming member 13 is fitted inside the upper opening 2 d. Thus, 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 body 2) and the mouth forming member 13 (cap body 8). The water-stop packing 26 is made of an elastic member such as rubber or elastomer having heat resistance such as silicone rubber. The water stop packing 26 is fitted on the outer peripheral portion of the lower flange portion 13c.

  When the water-stopping packing 26 is fitted inside the upper opening 2d of the container main body 2, it is in a state of being in close contact with the stepped portion 7 of the container main body 2 over the entire circumference while being elastically deformed. Thereby, it is possible to seal between the stepped portion 7 and the mouth forming member 13.

  2 to 7, the lid 9 opens and closes a drinking mouth or a spout (liquid passing port 14) formed by the mouth forming member 13, and is, for example, a heat resistant resin such as polypropylene (PP). Consists of. The lid 9 penetrates through the peripheral wall 9a formed in a substantially cylindrical shape so as to be continuous with the peripheral wall 8a of the cap body 8, the ceiling wall 9b covering the top surface of the peripheral wall 9a, and the ceiling wall 9b. And a substantially cylindrical inner wall portion 9c that falls from the lower surface of the top wall portion 9b.

  The lid body 9 is a direction (hereinafter referred to as an opening direction) in which the liquid inlet 14 of the mouth forming member 13 is opened by a torsion spring (first urging member) 27 provided on the inner side of the hinge 10 described later. It is urged toward.

  On the inner side of the lid body 9, a lid packing 28 that closes the liquid passage port 14 of the mouth forming member 13 is provided. The lid packing 28 is a plug-like seal 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 that is detachably attached to the inner wall portion 9 c of the lid body 9. Specifically, the lid packing 28 is detachably attached to the lower end side of the inner wall portion 9c in a state where the inner wall portion 9c is fitted into the inner cavity portion 28a. The bottom surface 28b of the lid packing 28 is formed in a dome shape. On the other hand, a stepped portion 28 c 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 body 9 by tightly fitting the inner wall portion 9c inside the cavity portion 28a. Thereby, in the cap unit 3, even if the inside of the container main body 2 becomes a negative pressure and a force in a pulling direction is generated on the lid packing 28, the lid packing 28 is detached from the inner wall portion 9c when the lid body 9 is opened. It is possible to prevent this. Conversely, even if a positive pressure is generated in the container main body 2 and a pressing force is generated on the lid packing 28, the stepped portion 28 c of the lid packing 28 is brought into contact with the proximal end portion of the inner wall portion 9 c, so that the lid It is possible to prevent the inner wall portion 9 c from entering further inside 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 close contact with the periphery of the liquid inlet 14 while being elastically deformed. Thereby, the liquid passing port 14 of the mouth forming member 13 can be closed.

  As shown in FIGS. 1 to 7, a cover member 29 covering 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 formed in a substantially disc shape using the same material as the lid body 9. On the other hand, a concave portion 30 having a shape corresponding to the cover member 29 is provided on the top surface of the top wall portion 9b.

  A cover detaching mechanism 31 for detachably attaching the cover member 29 to the recess 30 is provided between the top wall portion 9b and the cover member 29. The cover 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 protrudes 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 detaching mechanism 31 has a third locked portion 35 on the front side of the recess 30 and a fourth locked portion 36 on the rear side of the recess 30. The third locked portion 35 and the fourth locked portion 36 are formed by holes respectively provided at the front and rear positions of the bottom surface of the recess 30. A locked piece 9d protrudes rearward from the proximal end portion of the inner wall portion 9c.

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

  As a result, the cover member 29 is mounted inside the recess 30. Further, at the same time when 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, the cover detaching mechanism 31 releases the locked state between the fourth claw 33 and the locked piece 9d by pushing the fourth claw 33 provided on the stopper 34 upward. . Thereby, it is possible to remove the cover member 29 from the recess 30 while releasing the locked state of the third claw portion 32 with respect to the third locked portion 35. Further, since the cover detachment mechanism 31 is located outside the inner wall portion 9c, it can be visually recognized that the inner wall portion 9c penetrates in the vertical direction by removing the cover member 29.

  As described above, the cover member 29 has a structure that is detached by pushing outward from the inner surface of the lid body 9. Therefore, the cover member 29 cannot be removed when the lid 9 of the cap unit 3 is closed. Moreover, since the stopper 34 is arrange | positioned on the outer side of the inner wall part 9c, when removing the cover member 29, it is not necessary to remove the lid packing 28. FIG.

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

  Further, the cap unit 3 is not limited to the configuration in which the cover member 29 described above is detachable from the lid body 9, and the cap unit 3 has a configuration in which the fitting amount of the cover member 29 is adjusted tightly, It is also possible to provide a handle such as a handle on the cover member 29 by adopting a configuration in which the cover 9 is fixed using an adhesive or the like.

  The cap unit 3 is fixed to the cap body 8 against the urging force of the torsion spring 27 at a position where the lid 9 closes the liquid passage port 14 (hereinafter referred to as a closed 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 part 38, and a hinge part 38 on the cap body 8. And a ring stopper 40 mounted so as to be freely rotatable.

  The lock member 39 is rotatably supported in the vertical direction by a hinge portion 38 provided on the front side of the cap body 8 (the peripheral wall portion 8a). The lock member 39 includes a first arm portion 39 a that extends upward from the hinge portion 38 and a second arm portion 39 b that extends downward from the hinge portion 38.

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

  The ring stopper 40 is formed of a ring-shaped member that is partially opened, and both ends of the ring stopper 40 are rotatably supported on the outside of the hinge portion 38. Thereby, the ring stopper 40 can be rotated in the vertical direction.

  On the other hand, the lid lock mechanism 37 has a lock receiving portion 43 to which the hook portion 41 of the lock member 39 is locked, and a stopper receiving portion 44 to which the ring stopper 40 is latched. The lock receiving portion 43 includes a claw portion that protrudes forward from the lower end portion on the front side of the lid body 9 (the peripheral wall portion 9a). The stopper receiving portion 44 has a shape corresponding to the inner side 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 portion of the cap body 8, the hook portion 41 of the lock member 39 is engaged with the lock receiving portion 43, so that the lid 9 is the upper portion of the cap body 8. The state of closing is maintained. From this state, by pressing the second arm portion 39b side of the lock member 39 while elastically deforming the elastic member 42, the locked state of the hook portion 41 with respect to the lock receiving portion 43 is released. Thereby, the lid body 9 can be rotated in the opening direction by the urging of the torsion spring 27 in the hinge portion 10.

  On the other hand, in the lid lock mechanism 37, when the lid body 9 closes the upper portion of the cap body 8, the ring stopper 40 is hooked on the stopper receiving portion 44, so that the lid body 9 is rotated in the opening direction. Be blocked. Accordingly, the lid lock mechanism 37 can prevent the lid body 9 from being opened by an unnecessary operation of the lock member 39.

  By the way, the cap unit 3 of this embodiment has a hinge structure which is compact and excellent in design by consolidating functions in the hinge portion 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 portion 45 provided on the lid body 9. In the state where the first hinge bearing portion 45 is located between the second hinge bearing portion 46 and the third hinge bearing portion 47, and between the second hinge bearing portion 46 and the third hinge bearing portion 47. And a hinge shaft 48 attached in a state of penetrating 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 has a shaft hole 45 a penetrating in the rotation axis direction and is formed in a substantially cylindrical shape, and the rear central portion of the cap body 8. It protrudes from. Further, the first hinge bearing portion 45 is provided with a first receiving recess 45b in which a surface facing the second hinge bearing portion 46 is recessed in a substantially cylindrical shape in the rotation axis direction. In addition, 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 side of the torsion spring 27. Yes.

  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 continuous with the first hinge bearing portion 45. The body 9 is provided so as to protrude from one side with the rear center portion interposed therebetween. The second hinge bearing portion 46 includes 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 in a state of being fitted inside a first fitting recess (the other fitting recess) 46 b provided in the second hinge bearing portion 46. The first facing member 49 is made of 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 having better wear resistance than that (POM in this embodiment) can be preferably used.

  In the cap unit 3 of the present embodiment, the first facing member 49 excellent in wear resistance is configured separately from the second hinge bearing portion 46, thereby improving the durability of the hinge portion 10. Is possible. In addition, about the 2nd hinge bearing part 46, it is not necessarily the thing which comprised the 1st facing member 49 separately, The structure with which the 1st facing member 49 was integrated may be sufficient.

  Plural (four in this embodiment) protrusions that are in sliding contact with the first hinge bearing portion 45 on the surface (one surface) facing the first hinge bearing portion 45 of the first facing member 49. 50 is provided. Further, the other arm receiving portion 49 a that is recessed corresponding to the shape of the other end side of the torsion spring 27 is provided on the surface of the first facing member 49 that faces the first hinge bearing portion 45. .

  The plurality of protrusions 50 are provided so as to protrude in a substantially hemispherical shape in order to reduce the frictional resistance when being in sliding contact with the first hinge bearing portion 45. Further, the plurality of protrusions 50 are provided radially (equally spaced) around the shaft hole 45 a formed by the first facing member 49. In addition, about the number of the protrusion parts 50, it is preferable to arrange | position at least 3 or more.

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

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

  The torsion spring 27 accommodates the winding portion 27a inside the first accommodation recess 45b, engages one arm portion 27b with one arm receiving portion 45c on the first hinge bearing portion 45 side, 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.

  Thereby, in the hinge part 10, from the position (henceforth an open position) which the cover body 9 opens the liquid-flow port 14, this cover body 9 is on the opposite side to an opening direction (henceforth a closing direction). When it is rotated toward the cap body 8, it is elastically deformed in a direction in which the opening angle between the one arm portion 27 b and the other arm portion 27 c of the torsion spring 27 is narrowed. It is possible to bias 9 toward the opening direction.

  As shown in FIGS. 7, 10, 11, and 14, the first hinge bearing portion 45 has a surface that faces the third hinge bearing portion 47 recessed in a substantially cylindrical shape in the rotation axis direction. A second accommodating recess 45e is provided. A coil spring (second urging member) 51 that urges the lid body 9 in the direction of the rotational axis is disposed inside the second housing recess 45e. In addition, a slide member 52 is slidably arranged in the direction of the rotation axis while being urged by the coil spring 51 inside the second housing recess 45e.

  The slide member 52 is formed in a substantially bottomed cylindrical shape, and has a shaft hole 52a formed in the center portion of the bottom wall, and a cutout portion 52b in which a part of the side wall is cut out in the rotation axis direction. doing. On the other hand, a guide convex portion 45f to be inserted inside the notch portion 52b is provided on the inner peripheral surface of the second accommodating concave portion 45e so as to extend in the rotational axis direction. The slide member 52 can be slid in the rotation axis direction without rotating around the rotation axis inside the second housing recess 45e by inserting the guide protrusion 45f inside the notch 52b. It has become.

  The third hinge bearing portion 47 sandwiches the rear center portion of the lid body 9 so as to have a shaft hole 47a penetrating in the rotation axis direction and to have a shape continuous with the first hinge bearing portion 45. It protrudes from the other side. The third hinge bearing portion 47 includes a second facing member (one facing member) 53 that constitutes 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 recess (one fitting recess) 47 b provided in the third hinge bearing portion 47. It is attached with. The second facing member 53 includes a third hinge bearing portion 47 made of a material different from that of the third hinge bearing portion 47, such as polyacetal (POM), acrylonitrile / butadiene / styrene (ABS), metal, or the like. A material having better wear resistance than that (POM in this embodiment) can be preferably used.

  In the cap unit 3 of this embodiment, the durability of the hinge portion 10 is improved by configuring the second facing member 53 having excellent wear resistance separately from the third hinge bearing portion 47. Is possible. In addition, about the 3rd hinge bearing part 47, it is not necessarily the thing which comprised the 2nd facing member 53 separately, The structure with which the 2nd facing member 53 was integrated may be sufficient.

  As shown in FIGS. 7, 10 and 11, 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, The first, second, and third hinge bearing portions 45, 46, and 47 are attached in a state of penetrating in the rotation axis direction.

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

  As shown in FIGS. 7, 10, 11, 14, and 15, the engagement recess 55 is provided in a concave shape corresponding to the position where the lid 9 on one surface opens the liquid passage port 14. Yes. One surface is provided with an inclined surface 57 that guides the engaging convex portion 56 to the engaging concave portion 55 in the rotation direction. The inclined surface 57 is a surface that contacts the engaging convex portion 56 and has an upward inclination toward the engaging concave portion 55.

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

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

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

  In the hinge portion 10, when the lid body 9 is rotated by a predetermined amount from the closed position in the opening direction, the engagement convex portion 56 constituting the click mechanism 54 is engaged with the engagement concave portion 55. Become. Thus, a click feeling can be given at the open position, and the open state of the lid body 9 can be maintained by the engagement of 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 lid 9 is kept open. Further, as compared with the conventional case where the open state of the lid body 9 is maintained by the biasing force of the torsion spring 27, the open state of the lid body 9 is stably held without depending on the biasing force of the torsion spring 27. can do.

  Moreover, in the hinge part 10, when the cover body 9 is rotated toward the open position from the closed position described above, the engaging convex part 56 comes into contact (sliding contact) with the inclined surface 57 that is inclined upward, Guided to the engaging recess 55. At this time, the pressing force (friction resistance) is increased on the engaging convex portion 56 with respect to the inclined surface 57. Thereby, the rotational speed of the lid body 9 rotated in the opening direction by the urging of the torsion spring 27 can be suppressed. As a result, it is possible to prevent the lid body 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 that are 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 described above. In this case, since unnecessary force is not applied between the engaging surfaces 55a and 56a that 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. .

  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 rubber or elastomer having heat resistance such as silicone rubber. The holding member 58 has a locking projection 58a and a contact surface portion 58b.

  On the rear side of the first hinge bearing portion 45, an opening 45g for projecting the locking projection 58a outward is provided. The opening 45g is disposed 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 portion 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, the lid body 9 is further rotated in the opening direction from the above-described open position, whereby the base end side end portion of the lid body 9 is a locking projection. After climbing over 58a, the locking projection 58a locks the proximal end of the lid body 9. In addition, in a state where the locking protrusion 58a locks the proximal end of the lid 9, the proximal end of the lid 9 is brought into contact with the contact surface 58b. Furthermore, the end portion on the proximal end side of the lid body 9 is held in a state of being sandwiched between the locking projection 58a and the contact surface portion 58b. Thereby, the open state of the lid 9 can be stably held. Further, when the lid body 9 is further rotated in the opening direction from the open position, the impact on the base end side of the lid body 9 is brought into contact with the contact surface portion 58b, thereby reducing the impact. 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 urging member) 27 and the coil spring (second urging member) 51 having different urging directions are rotated inside the hinge portion 10. By arranging them side by side in the direction of the moving axis, these urging members 27 and 51 can be concentrated and arranged in the hinge portion 10.

  Further, in the cap unit 3 of the present embodiment, the hinge unit 10 is provided with a mechanism for rotating the lid body 9 in the opening direction by the urging of the torsion spring 27 and a click feeling at the open position. 9 (a click mechanism 54) for holding the open state of 9 and the biasing force of the coil spring 51 presses the engaging convex portion 56 against the slide member 52, and presses the plurality of protruding portions 50 against the sliding contact surface 45d. It is possible to collect and arrange the mechanisms for the above.

  Further, in the cap unit 3 of the present embodiment, the plurality of protrusions 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 body 9 is rotated with respect to 8, the frictional resistance generated in the hinge portion 10 can be suppressed to be lower than the conventional one. Thereby, about the torsion spring 27 and the coil spring 51, the urging | biasing force can be weakened relatively. As a result, the wear generated between the first hinge bearing portion 45, the second hinge bearing portion 46, and the third hinge bearing portion 47 is kept low, and the durability of the hinge portion 10 is further improved. It is possible.

  Moreover, in the cap unit 3 of this embodiment, since the open state of the lid body 9 can be stably held by the holding member 58 described above, the cap unit 3 is inclined when drinking or pouring the beverage (contents) in the container body 2. Together with the container body 2, the lid body 9 can be prevented from rotating in the closing direction by its own weight. Therefore, in the beverage container 1 including the cap unit 3 of this embodiment, it is possible to further improve convenience.

In addition, this invention is not necessarily limited to the thing of the said embodiment, A various change can be added in the range which does not deviate from the meaning of this invention.
Specifically, in the hinge part 10, the first hinge bearing part 45 is provided on the cap body 8 side described above, and the second hinge bearing part 46 and the third hinge bearing part 47 are provided on the lid body 9 side. However, the present invention is not limited to such a configuration, and the first hinge bearing portion 45 is provided on the lid body 9 side, and the second hinge bearing portion 46 and the third hinge bearing portion 47 are provided on the cap body 8 side. It is good also as a structure. Moreover, in the said hinge part 10, it is also possible to replace the structure by the side of the 2nd hinge bearing part 46, and the structure by the side of the 3rd hinge bearing part 47 mutually.

  Moreover, in the said hinge part 10, although it has the structure which provided the some protrusion part 50 in the surface side facing the 1st hinge bearing part 45 of the 1st facing member 49, the 1st hinge bearing part 45 is set. It is good also as a structure which provided the some projection part 50 in the surface side facing the 1st facing member 49 of this.

  Further, in the hinge portion 10, the engagement concave portion 55 is provided on the surface of the slide member 52 facing the second facing member 53, and the engagement convex portion 56 is formed on the surface of the second facing member 53 facing the slide member 52. However, the engagement convex portion 56 is provided on the surface of the slide member 52 facing the second facing member 53 and the surface of the second facing member 53 facing the slide member 52 is engaged. It is good also as a structure which provided the recessed part 55. FIG.

  In addition, about the said container 1 for drinks, it is not limited to what has the external shape mentioned above, According to the size, a function, a design, etc., it can change suitably.

  In addition, the present invention can be suitably applied to the beverage container 1 having a heat insulation / cooling function by the container body 2 having the above-described vacuum heat insulation structure, but the container body 2 having the above-described vacuum heat insulation structure is used. It is not necessarily limited to. That is, the present invention relates to a beverage container in which the cap unit is detachably attached to the mouth / neck portion of the container body, and a cooking pan having a pan lid that is detachably attached to a wide opening such as a pan. Can be applied widely.

  DESCRIPTION OF SYMBOLS 1 ... Beverage container 2 ... Container main body 2c ... Mouth neck part 2d ... Upper opening part 3 ... Cap unit 8 ... Cap main body 9 ... Cover body 9a ... Peripheral wall part 9b ... Top wall part 9c ... Inner wall part 10 ... Hinge part 13 ... Mouth forming member (drink mouth or spout) 14 ... liquid inlet 15 ... mouth desorption mechanism (desorption mechanism) 16 ... first claw part 17 ... second claw part 18 ... locking member 19 ... spindle 20 ... elasticity Piece 21 ... Hinge part 22 ... Shaft hole 23 ... Abutted part 24 ... First locked part 25 ... Second locked part 26 ... Waterproof packing (sealing member) 27 ... Torsion spring (first (Biasing member) 28 ... lid packing (seal member) 29 ... cover member 30 ... recess 31 ... cover detachment mechanism 32 ... third claw portion 33 ... fourth claw portion 34 ... stopper 35 ... third locked portion 36 ... Fourth locked portion 37 ... Lid lock machine Structure 38 ... Hinge part 39 ... Lock member 40 ... Ring stopper 41 ... Hook part 42 ... Elastic member 43 ... Lock receiving part 44 ... Stopper receiving part 45 ... First hinge bearing part 46 ... Second hinge bearing part 47 ... First 3 hinge bearing part 48 ... hinge shaft 49 ... first facing member (other facing member) 50 ... projection 51 ... coil spring (second urging member) 52 ... slide member 53 ... second facing member (one side) 54 ... Click mechanism 55 ... Engaging recess 56 ... Engaging projection 57 ... Inclined surface 58 ... Holding member 58a ... Locking projection 58b ... Contact surface portion

Claims (11)

A cap unit that is detachably attached to the mouth and neck of the container body having an open top,
A cap body having a liquid passage opening provided at the top thereof, and closing the upper opening of the container body;
A lid that opens and closes the liquid passage opening in a state of being rotatably attached to the cap body via a hinge portion;
The cap unit, wherein the hinge part is provided with a holding member that holds the lid in an opened state at a position where the lid opens the liquid passage port. The holding member is made of an elastic member, and has a locking protrusion protruding outward from an opening provided in the hinge part,
2. The cap unit according to claim 1, wherein the locking projection locks an end portion on a proximal end side of the lid body at a position where the lid body opens the liquid passage port. The holding member has a contact surface portion facing outward from an opening provided in the cap body,
The said contact surface part is contact | abutted with the edge part of the base end side of the said cover body in the state which the said latching protrusion locked the edge part of the base end side of the said cover body. 2. The cap unit according to 2. The hinge portion is provided with a first biasing member that biases the lid body in the rotation direction and a second biasing member that biases the lid body in the rotation axis direction. And
The cap unit according to claim 1, wherein the holding member is disposed between the first urging member and the second urging 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 the third hinge bearing portion, and the first hinge bearing portion is positioned between the second hinge bearing portion and the third hinge bearing portion. A hinge shaft attached in a state of penetrating the hinge bearing portion of 3 in the direction of the rotation axis,
The first urging 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 Claim 1 characterized by the above-mentioned. Cap unit.   The cap unit according to claim 4, wherein the first urging member is a torsion spring.   The cap unit according to claim 4, wherein the second urging member is a coil spring.   The said hinge part has a click mechanism which provides the click feeling in the position which the said cover body opens the said liquid flow opening, and hold | maintains the open state of the said cover body. The cap unit according to claim 1.   The click mechanism is 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. Of the surfaces facing each other, and an engagement recess provided on one surface and an engagement projection provided on the other surface, and the lid opens the liquid passage opening. The cap unit according to claim 8, wherein the engagement convex portion is engaged with the engagement concave portion to provide a click feeling and hold the lid 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 port. The cap unit as described in any one of Claims 1-9. The cap unit according to any one of claims 1 to 10,
A beverage container comprising a container body to which the cap unit is attached.

Images