TWI605986B - Beverage container and its cap structure - Google Patents

Description

Beverage container and cap structure thereof

The present invention provides a container for a beverage and a cap structure thereof.

According to the conventional beverage container, a detachable bottle cap structure (or a plug body) is attached to the container body, such as Japanese Patent Laid-Open No. 2015-13673 (hereinafter referred to as the first case) and Japanese Special Open 2002. -209764 (hereinafter referred to as the previous case 2). The cap structure comprises a cover body and a cap body, wherein the cap body can pass through a hinge portion to rotate relative to the cap body to control opening and closing of the drinking port or the water outlet. Moreover, the cover body further has a cover locking mechanism, and the cover locking mechanism can fix the cover body at a position to close the drinking port or the water outlet by using a biasing member.

In the beverage container having such a cap structure, after the lid locking mechanism releases the fixing of the lid body, the lid body can be rotated by the elastic pressure of the elastic member to open the drinking opening or the water outlet. . Thereby, the user can drink the beverage in the body of the body.

However, in the above-described beverage container having a cap structure, when the user wants to drink or inject the beverage in the container body, if the user excessively tilts the container body, the cover body is easily inclined to the drinking port due to its own weight. Or the water outlet turns in the closing direction and becomes very difficult to use.

The present invention has been made in view of the aforementioned conventional problems, and its object is to provide A bottle cap structure which can improve the convenience of the bottle cap structure and has a cap structure.

An object of the present invention is to provide a cap structure that is movably mounted to an upper opening of a container body of a beverage container, the cap structure comprising a cap body and a cap body, the cap body can be closed An opening portion of the container body, and a liquid circulation hole is disposed on the bottle body; the cover system is movably mounted on the bottle body through a hinge portion, and the cover body can be opened when the cover body is in an open state a liquid circulation hole, and conversely, when the cover body is in a closed state, the liquid circulation hole can be closed; the hinge portion is provided with a holding member capable of maintaining and fixing the cover body when the cover body is in an open state The position of the cover.

Another object of the present invention is to provide a first opening portion on the rear side of the hinge portion, the holding member is formed by an elastic member, and a locking protrusion is disposed on the locking portion, and the locking protrusion is formed by the first The opening protrudes outward, and the cover can be engaged with the locking protrusion after the cover is rotated and passes over the locking protrusion.

In still another object of the present invention, the holding member is provided with an abutting surface portion, and the abutting surface portion can abut against the lid body in a state in which the locking protrusion portion is engaged with the lid body.

For your convenience, the review committee can have a better understanding and understanding of the structural features, usage methods and effects of the present invention. The embodiments are described in conjunction with the drawings, which are described in detail as follows:

[study]

no

〔this invention〕

1‧‧‧Beverage container

2‧‧‧ container body

2a‧‧‧ bottom part

2b‧‧‧ Body Department

2c‧‧‧ neck

2d‧‧‧Upper opening

3‧‧‧Cap structure

4‧‧‧ outer container

5‧‧‧Contents

6‧‧‧vacuum insulation

7, 28c‧‧ ‧ step department

8‧‧‧Cap body

8a, 9a, 13b‧‧‧Walls

8b‧‧‧ openings

8c‧‧‧Upper wall

8d‧‧‧second opening

9‧‧‧ cover

9b‧‧‧Top wall

9c‧‧‧Inside wall

9d‧‧‧ card stop

10, 21, 38‧‧‧

11‧‧‧Threaded Department

12‧‧‧ External thread

13‧‧‧Drinking mouth forming member

13a‧‧‧ bottom wall

13c‧‧‧Bottom flange

13d‧‧‧Upper flange

13e‧‧ Drinking mouth

13f‧‧‧Intermediate flange

13g‧‧‧ rib wall

13h‧‧‧ Stage Department

14‧‧‧Liquid circulation hole

15‧‧‧Drinking port loading and unloading mechanism

16‧‧‧First claw

17‧‧‧second claw

18‧‧‧Clocking members

18a‧‧‧arm

18b‧‧‧Connecting Department

18c‧‧‧Operation Department

18d‧‧‧Extension

19‧‧‧ fulcrum

20‧‧‧Elastic film

22, 45a, 46a, 47a, 52a, 58c‧‧‧ shaft holes

23‧‧‧Departed Department

24‧‧‧First card stop

25‧‧‧Second card

26‧‧‧Water stop gasket

27‧‧‧Torque spring

27a‧‧‧Winding Department

27b, 45c‧‧‧arms

27c, 49a‧‧‧Another arm receiving department

28‧‧‧Cover gasket

28a‧‧‧Center hole

28b‧‧‧ bottom

29‧‧‧Cover components

30‧‧‧ recess

31‧‧‧Cap loading and unloading mechanism

32‧‧‧ third claw

33‧‧‧Fourth claw

34‧‧‧Departure

35‧‧‧ Third card stop

36‧‧‧Fourth stop

37‧‧‧cover locking mechanism

39‧‧‧Locking members

39a‧‧‧First arm

39b‧‧‧ second arm

40‧‧‧Circular stop

41‧‧‧ hook

42‧‧‧Flexible components

43‧‧‧Locking Department

44‧‧‧ Stopping Department

45‧‧‧First Hub Bearings

45b‧‧‧First storage recess

45d‧‧‧Sliding contact surface

45e‧‧‧Second storage recess

45f‧‧‧Guided convex

45g‧‧‧first opening

46‧‧‧Second hub bearing

46b‧‧‧First fitting recess

47‧‧‧ Third Hub Bearings

47b‧‧‧Second fitting recess

48‧‧‧ pivot axis

49‧‧‧First relative component

50‧‧‧Protruding

51‧‧‧Helical spring

52‧‧‧Sliding members

52b‧‧‧Gap section

53‧‧‧second relative component

54‧‧‧ clip mechanism

55‧‧‧ joint recess

56‧‧‧Joint projection

57‧‧‧Sloping surface

58‧‧‧Retaining components

58a‧‧‧Clocks

58b‧‧‧Resist face

1 is a cross-sectional view showing a configuration of a beverage container according to an embodiment of the present invention; FIG. 2 is a cross-sectional view showing a cap structure of the present invention in a closed state; and FIG. 3 is a closed state of the cap structure of the present invention; 3 is a perspective view of the bottle cap structure of the present invention in an open state; 5 is a plan view showing the cap structure of the present invention in an open state; FIG. 6 is a cross-sectional view showing the cap structure of the present invention in an open state; and FIG. 7 is an exploded perspective view showing the structure of the cap structure of the present invention; Figure 9 is a perspective view showing the configuration of the drinking opening forming member of the present invention; Figure 9a is a perspective view of the locking member of the present invention viewed from the front side; and Figure 9b is a perspective view of the locking member of the present invention viewed from the rear side; 10 is an exploded perspective view showing a configuration of a hinge portion of a cap structure of the present invention; FIG. 11 is an exploded perspective view showing a configuration of a first hinge bearing portion of the present invention; and FIG. 12 is a configuration of a second hinge bearing portion of the present invention. FIG. 13 is a side view of a torsion spring disposed inside the first hinge bearing portion; FIG. 14 is a perspective view showing a configuration of the sliding member of the present invention; and FIG. 15 is a third hinge bearing portion of the present invention A perspective view of the composition.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Referring to Fig. 1, there is shown an embodiment of a beverage container of the present invention, and Fig. 1 is a cross-sectional view showing the beverage container 1.

The beverage container 1 includes a container body 2 and a cap structure 3, and the cap structure 3 is movably mounted on the container body 2. The beverage container 1 has a container body 2 of a vacuum heat insulating structure, and can hold or store the beverage stored in the container body 2.

Specifically, the container body 2 has an outer container 4 and an inner container 5, the inner side of which is joined to the open end of the inner container 5 to form a double-layered container, the outer container 4 and The inner container 5 is made of a material such as stainless steel and has a bottomed cylindrical shape. also, 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 by clogging a vent hole provided in a central portion of the bottom surface of the outer container 4 in a vacuum negative pressure environment.

The container body 2 includes a bottom surface portion 2a, a body portion 2b and a neck portion 2c. The bottom surface portion 2a has a substantially circular shape. The body portion 2b is substantially cylindrically rising from the outer circumference of the bottom surface portion 2a. The neck portion 2c is disposed on the upper side of the body portion 2b, and has a cylindrical shape and a diameter smaller than a diameter of the body portion 2b. Moreover, the upper end portion of the neck portion 2c is a circular opening as the upper opening portion 2d of the container body 2. Further, an annular step portion 7 is provided inside the neck portion 2c, and the step portion 7 is protruded over the entire circumferences.

Further, the appearance of the beverage container 1 of the present embodiment is substantially cylindrical, but the appearance of the beverage container 1 is not a limitation of the present invention, and the size or design can be changed as needed, or the outer peripheral surface of the container body 2 can be used. Painting or printing, etc.

Referring to FIGS. 1-15, the structure of the cap structure 3 includes a cap body 8 and a cap 9. In the following description, the side of the cap body 8 and the lid 9 adjacent to the hinge portion 10 serves as the "rear side" of the beverage container 1, and the opposite side thereof serves as the "front side" of the beverage container 1. Description.

In addition, Fig. 2 is a schematic view showing the cap structure 3 in a "closed state". 3 is a cross-sectional perspective view of the bottle cap structure in a closed state, and FIG. 4 is a schematic view of the cap structure 3 in an "open state"; FIG. 5 is a plan view of the cap structure 3 in an open state; Figure 6 is a cross-sectional view of the cap structure 3 in an open state; Figure 7 is an exploded perspective view of the cap structure 3; Figure 8 is a drinking port forming member of the cap structure 3 (structure will Fig. 9(a) and 9(b) are schematic views of a locking member 18; Fig. 10 is an exploded perspective view of the hinge portion of the cap structure 3; A hinge bearing portion 45 FIG. 12 is a schematic plan view of the second hinge bearing portion 46; FIG. 13 is a schematic view of the torsion spring 27 disposed on the first pivot bearing portion 45; FIG. 14 is a perspective view of the sliding member 52; The figure is a perspective view of the third hinge bearing portion 47.

As shown in Figs. 1 to 7, the cap structure 3 is constituted by a plug which can close the opening 2d of the container body 2. Specifically, the cap structure 3 includes a cap body 8 and a cap 9 , and the cap 9 can be movably mounted 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), and the cap body 8 includes a peripheral wall portion 8a, an opening portion 8b, and an upper wall portion 8c. The peripheral wall portion 8a is formed into a substantially cylindrical shape. The upper body portion 8c is formed above the peripheral wall portion 8a, and the upper wall portion 8c is provided with the opening portion 8b. The opening portion 8b is reduced in diameter to the peripheral wall. Part 8a is still small.

The cap body 8 can be movably attached to the neck portion 2c of the container body 2 to close the upper opening portion 2d. Therefore, the inner peripheral surface of the peripheral wall portion 8a is provided with the female screw portion 11. On the other hand, the outer peripheral surface of the neck portion 2c is provided with a male screw portion 12 screwed to the female screw portion 11, and the cap body 8 is provided with a liquid flow hole 14.

Referring to FIGS. 2 to 6, the opening portion 8b of the cap body 8 is movably mounted with a drinking port forming member 13 which forms a drinking opening or a water outlet (in the present embodiment, drinking) mouth). The drinking opening forming member 13 is made of, for example, a heat resistant resin (PP) such as polypropylene.

The drinking opening forming member 13 includes a bottom wall portion 13a, a peripheral wall portion 13b, a lower side flange portion 13c, a pair of upper side flange portions 13d, and a drinking opening portion 13e which is formed by the liquid circulation hole 14 Formed; the peripheral wall portion 13b rises upward from the periphery of the bottom wall portion 13a The lower flange portion 13c protrudes annularly from the lower end side of the outer peripheral surface of the bottom wall portion 13a, and the upper flange portions 13d are formed from the upper end side to the opposite side of the outer peripheral surface of the peripheral wall portion 13b. The drinking opening 13e protrudes from the upper end of the front end of the peripheral wall portion 13b in a slanting shape.

A drinking port attaching and detaching mechanism 15 is provided between the cap body 8 and the drinking port forming member 13, and the drinking port attaching and detaching mechanism 15 is movably attached to the opening portion 8b of the cap body 8. As shown in Figures 5-8 and 9a, 9b, the drinking port handling mechanism 15 includes a first claw portion 16 and a locking member 18, and the first claw portion 16 is disposed on the front side of the drinking opening forming member 13. The locking member 18 can form a second claw portion 17 on the rear side of the drinking opening forming member 13.

The first claw portion 16 protrudes 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 and a connecting portion 18b, and the arm portions 18a are arranged in parallel with each other. The connecting portion 18b is connectable to the upper end (front end) side of each of the arm portions 18a. Further, a pair of support shafts 19 are provided on the lower end (base end) side of the arm portions 18a, and each of the support shafts 19 is protruded from the inner side of each of the arm portions 18a in a direction facing each other. A flat elastic piece 20 is provided on the connecting portion 18b at a position corresponding to the arm portions 18a. The second claw portion 17 projects rearward from the upper end (front end) of the locking member 18.

Referring to FIGS. 1 to 6, the locking member 18 is disposed along the outer peripheral surface of the rear side of the drinking opening forming member 13. Further, the lower end (base end) portion of the locking member 18 is rotatably supported by the hinge portion 21, and the hinge portion 21 is provided to the drinking opening forming member 13. Further, an operation portion 18c (see FIG. 9a) is provided at an upper end (front end) of the locking member 18, and the operation portion 18c has a concave portion or a convex portion for easily locking the locking member 18 with a finger.

Referring to FIG. 8, the drinking port forming member 13 is provided with a shaft hole 22 And a contact portion 23, the shaft hole 22 is fitted into the support shaft 19; the abutted portion 23 abuts against the elastic piece 20. The shaft hole 22 has a rib wall 13g penetratingly disposed in the left-right direction, and the rib wall 13g is formed from the upper surface of the lower side flange portion 13c and the intermediate flange portion 13f along the drinking port forming member 13. The outer peripheral surface of the side protrudes, and the abutted portion 23 is formed by extending the rib wall 13g above the shaft hole 22.

The hinge portion 21 is inserted into the shaft hole 22 from the both ends of the shaft hole 22, and the rib wall 13g is rotatably held by the arm portion 18a. The lower end (base end) portion of the locking member 18 is supported.

Further, when the distal end side of the locking member 18 is rotated toward the front side (the one in the rotational direction), the elastic piece 20 can abut against the abutted portion 23, and the elastic piece 20 is elastically deformed while being locked. The member 18 is biased toward the rear (the other side in the rotational direction). Further, in the drinking port loading and unloading mechanism 15, by changing the length or thickness of the elastic piece 20, the elastic pressure at the time of elastic deformation of the elastic piece 20 can be adjusted.

Further, a step portion 13h is protruded from the rear side of the peripheral wall portion 13b of the drinking port forming member 13, and the lower portion of the step portion 13h can be in surface contact with the extending portion 18d (see Fig. 9a) to prevent the locking. The member 18 is inclined rearward, and the extended portion 18d extends from the front side of the arm portion 18a of the locking member 18.

As shown in FIGS. 2-6, the drinking port loading and unloading mechanism 15 further has a first locking portion 24 and a second locking portion 25, and the first locking portion 24 is attached to the front side of the cap body 8; The second locking portion 25 is provided on the rear side of the cap body 8. The first to-be-locked portion 24 and the second to-be-locked portion 25 are constituted by a step portion which is provided at a position before and after the opening portion 8b of the upper wall portion 8c.

The drinking port loading and unloading mechanism 15 can be inserted into the inner side of the opening portion 8b of the cap body 8, so that the first locking portion 24 abuts against the first claw portion 16, and at this time, the upper wall of the cap body 8 The lower surface of the portion 8c is in contact with the pair of upper flange portions 13d. Further, the first claw portion 16 can be engaged with the first locking portion 24. Then, the second claw portion 17 can abut against the edge of the opening portion 8b of the cap body 8, and at the same time, as the second claw portion 17 passes over the edge of the opening portion 8b, the front end side of the locking member 18 is made After the front rotation, the front end side of the locking member 18 returns to the home original position, and the second claw portion 17 is locked to the second locking portion 25.

Accordingly, the drinking opening forming member 13 can be attached to the opening portion 8b of the cap body 8, and after the drinking port forming member 13 is completely mounted, the opening portion 8b of the cap body 8 can enable the drinking port portion. 13e is in a state of protruding outward (upper).

On the other hand, in the drinking port attaching and detaching mechanism 15, the locking state of the second claw portion 17 with respect to the second locking portion 25 is released by the operation of rotating the distal end side of the locking member 18 forward. Thereby, the drinking port forming member 13 can be removed 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 locking portion 24.

Referring to Fig. 1, the cap body 8 to which the drinking port forming member 13 is attached is attached to the neck portion 2c of the container body 2, and the drinking port forming member 13 is fitted inside the upper opening portion 2d. The upper opening portion 2d of the container body 2 is closed.

Referring to FIGS. 1 to 6, a water stop gasket 26 is movably attached to the lower flange portion 13c of the drinking port forming member 13. The water stop gasket 26 is an annular seal member for sealing between the step portion 7 (container body 2) and the drinking port forming member 13 (cap body 8). The water stop gasket 26 is composed of an elastic member such as rubber or an elastomer having heat resistance such as silicone rubber. The water stop gasket 26 is fitted to the outer peripheral portion of the lower flange portion 13c.

The water stop gasket 26 can be elastically deformed when being fitted inside the upper opening portion 2d of the container body 2 so as to seal the step portion 7 of the container body 2 over the entire circumference. Thereby, it can seal between the step part 7 and the drinking opening forming member 13.

Referring to FIGS. 2-7, when the cover 9 is in the open state, the drinking opening or the water outlet formed by the drinking opening forming member 13 (ie, the liquid circulation hole 14) can be opened, and vice versa. When the body 9 is in the closed state, the liquid circulation hole 14 can be closed; the cover 9 can be made of a heat resistant resin such as polypropylene (PP). The lid body 9 has a peripheral wall portion 9a, a top wall portion 9b, and an inner wall portion 9c which is formed in a substantially cylindrical shape so as to be coupled to the peripheral wall portion 8a of the cap body 8; the top wall portion 9b covers the top surface of the peripheral wall portion 9a, and the inner wall portion 9c can penetrate the top wall portion 9b and is recessed from the lower surface of the top wall portion 9b into a substantially cylindrical shape.

The cover body 9 is rotated by a torsion spring 27 (first elastic member) on the inner side of a hinge portion 10 (which will be described in detail later), and the torsion spring can bias the cover body 9 in the rotational direction of the open state. The liquid circulation hole 14 of the drinking opening forming member 13 is opened.

A cover gasket 28 is provided on the inner side of the lid body 9, and the lid gasket 28 is used to close the liquid circulation hole 14 of the drinking port forming member 13. The cover gasket 28 is configured as a plug-like sealing member. The lid spacer 28 is composed of an elastic member, and the same material as the above-described water stop gasket 26 can be used.

Referring to FIGS. 2 to 6, the cover spacer 28 is a bottomed cylindrical sealing member that is detachably attached to the inner wall portion 9c of the lid 9. Specifically, the lid spacer 28 is detachably attached to the lower end side of the inner wall portion 9c in a state in which the inner wall portion 9c is fitted into the center hole 28a on the inner side. Further, the bottom surface 28b of the lid spacer 28 is formed in a dome shape. On the other hand, a step portion 28c is provided on the outer peripheral portion of the upper side of the lid spacer 28.

The lid spacer 28 is detachably attached to the lid body 9 by firmly fitting the inner wall portion 9c to the inner side of the center hole 28a. Thereby, in the cap structure 3, when the inside of the container main body 2 is under a negative pressure, even if the lid shim 28 is stretched, it does not fall off from the inner wall portion 9c when the lid body 9 is opened. On the other hand, when the inside of the container main body 2 is positively pressed, even if the lid portion spacer 28 is pressed downward, the step portion 28c of the lid portion spacer 28 abuts against the base end portion of the inner wall portion 9c. Therefore, the inner wall portion 9c can be prevented from being more embedded in the inner side of the lid spacer 28.

In the cap structure 3, when the cap body 9 closes the upper portion of the cap body 8, the cap spacer 28 is elastically deformed, and the periphery of the liquid flow hole 14 is in a close state. Thereby, the liquid circulation hole 14 of the drinking port forming member 13 can be closed.

Referring to the first to seventh embodiments, the lid 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 lid member 29 is formed in a substantially disk shape using the same material as that of the lid body 9. On the other hand, a concave portion 30 corresponding to the shape of the lid member 29 is provided on the upper surface of the top wall portion 9b.

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

The third claw portion 32 is located at a lower end portion of the front side of the cover member 29, and protrudes forward from the front end of the cover member 29. The stopper portion 34 is provided to protrude downward from the lower surface of the rear side of the lid member 29. At the front end of the stopper portion 34, the fourth claw portion 33 is protruded from the front.

The cover attaching and detaching mechanism 31 has a third locking portion 35 attached to the front end of the recess 30 and a fourth locking portion 36 attached to the rear side of the recess 30. Third locking portion 35 The fourth locking portion 36 is formed by a hole portion which is provided at a front and rear position of the bottom surface of the recess portion 30, respectively. Further, a proximal end portion of the inner wall portion 9c is provided with a locking piece 9d protruding rearward.

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

Thereby, the lid member 29 can be attached to the inner side of the recess 30. Further, while the lid member 29 is attached, the lid member 29 can cover the upper end side of the inner wall portion 9c.

On the other hand, in the lid attachment/detachment mechanism 31, the locking state between the fourth claw portion 33 and the locking piece 9d is released by pressing the fourth claw portion 33 provided on the stopper portion 34 upward. . Thereby, the lid member 29 can be removed from the recess 30 while the third claw portion 32 is released from the locked state of the third locking portion 35. Further, in the lid portion detaching mechanism 31, since the lid member 29 is located outside the inner wall portion 9c, the inner wall portion 9c can be visually observed to penetrate the vertical direction after the lid member 29.

As described above, the lid member 29 is pressed outward from the inner surface of the lid body 9 to be removed. Therefore, when the lid body 9 of the bottle cap structure 3 is in the closed state, the lid portion cannot be removed. Member 29. Further, since the stopper portion 34 is disposed outside the inner wall portion 9c, it is not necessary to first remove the lid spacer 28 when the lid member 29 is removed.

Further, the lid member 29 is not limited to the same material as the lid body 9, and may be made of a different material or color, or may be made of a transparent material. In this case, a cap structure 3 excellent in design can be used. Further, by arranging or engraving the three-dimensional structure on the upper portion of the lid member 29, the cap structure 3 and the beverage container 1 including the cap structure 3 can be customized with the user's preference.

Further, in the cap structure 3, the attachment and detachment between the lid member 29 and the lid 9 is not limited, and the fitting amount of the lid member 29 can be adjusted according to design requirements (eg, more The lid member 29 may be fixed to the lid body 9 by using an adhesive, or the lid member 29 may be provided with a handle or a handle.

The cap structure 3 further includes a cap locking mechanism 37, and the cap locking mechanism 37 is disposed on the cap body 8 at a position corresponding to closing the liquid circulation hole 14 (hereinafter referred to as a blocking position) to resist The spring force of the torsion spring 27 is used to fix the cover 9 to the cap body 8.

Specifically, as shown in FIGS. 1 to 6 , the cover locking mechanism 37 has a locking member 39 and an annular stopping portion 40 , and the locking member 39 is movably mounted via the hinge portion 38 . The cap body 8 is movably mounted to the cap body 8 via a hinge portion 38.

The lock member 39 is rotatably supported by the hinge portion 38, which is provided on the front side of the cap body 8 (peripheral wall portion 8a). The locking 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.

The front end of the first arm portion 39a (the upper end of the lock member 39) is provided with a hook portion 41 projecting rearward, and an elastic member 42 is disposed between the second arm portion 39b and the peripheral wall portion 8a. Further, the elastic member 42 may be replaced with a spring member such as a coil spring.

An annular stop 40 is formed by a partially open annular member, and its both ends are rotatably supported by the hinge portion 38. Thereby, the annular stopper 40 is rotatable in the up and down direction.

On the other hand, the cover locking mechanism 37 has a locking receiving portion 43 and a stop bearing The connecting portion 44 is engageable with the hook portion 41 of the locking member 39; the stopping receiving portion 44 hooks the annular stopping portion 40. The lock receiving portion 43 is constituted by a claw portion that protrudes forward from the lower end portion of the front side of the lid body 9 (the peripheral wall portion 9a). The stopper receiving portion 44 is constituted by a wall portion that protrudes forward from a position surrounding the periphery of the locking receiving portion (claw portion) 43 in a shape corresponding to the inner side of the annular stopper portion 40.

In the lid locking mechanism 37, when the lid body 9 closes the upper portion of the cap body 8, the hook portion 41 of the locking member 39 is locked to the locking receiving portion 43, so that the lid body 9 is kept closed. The state of the upper portion of the body 8. In this state, the elastic member 42 is elastically deformable, and at this time, the second arm portion 39b side of the lock member 39 is pressed to release the locked state of the hook portion 41 with respect to the lock receiving portion 43. Thereby, the lid body 9 can be rotated in the opening direction by the elastic pressure of the torsion spring 27 in the hinge portion 10.

On the other hand, in the lid locking mechanism 37, when the lid body 9 closes the upper portion of the cap body 8, the annular stopper portion 40 is hooked to the stopper receiving portion 44, so that the lid body 9 is stopped toward Turn in the opening direction. Thereby, in the lid lock mechanism 37, the accidental opening of the lid body 9 can be prevented by the lock member 39.

A major feature of the cap structure 3 of the present embodiment is the construction of the hub portion 10 which is lightweight and excellent in design. Specifically, as shown in Figures 7, 10, 11 and 13, the hinge portion 10 has a first hinge bearing portion 45, a second hinge bearing portion 46, a third hinge bearing portion 47 and a pivot shaft. 48. The first pivot bearing portion 45 is disposed on the cap body 8; the second pivot bearing portion 46 and the third pivot bearing portion 47 are disposed on the cover body 9; the first pivot bearing portion 45 is located at the first pivot bearing portion 45. In a state between the second hinge bearing portion 46 and the third hinge bearing portion 47, the pivot shaft 48 can penetrate the first hinge bearing portion 45, the second hinge bearing portion 46, and the first axial direction of the hinge portion 10 Three hub Bearing portion 47.

Referring to FIGS. 10-13, the first pivot bearing portion 45 is protruded from the central portion of the rear side of the cap body 8, and a shaft hole 45a is formed in the axial direction so as to be substantially cylindrical. shape. Further, a first housing recess 45b is provided in the first hinge bearing portion 45, and the first housing recess 45b faces the second hinge bearing portion 46 and is recessed in a cylindrical shape in the axial direction. Further, the first pivot bearing portion 45 is provided with another arm receiving portion 45c which is a downwardly recessed recess and whose configuration matches the shape of one end side of the torsion spring 27. .

Referring to FIGS. 7-12, the second hinge bearing portion 46 can protrude toward one side of the central portion of the rear side of the cover body 9 to be connected to the first hinge bearing portion 45 and axially. A shaft hole 46a is provided through. A first opposing member (an opposing member) 49 is disposed on the second hinge bearing portion 46 at a portion of the first hinge bearing portion 45.

The second hinge receiving portion 46 is provided with the first fitting recess 46b, and the first opposing member 49 is fitted inside the first fitting recess (the other fitting recess) 46b. The material of the first opposing member 49 is different from the material of the second hinge bearing portion 46, for example, polyacetal (POM), acrylonitrile butadiene styrene (ABS), metal, etc., and optional The second hinge bearing portion 46 also has a material having excellent wear resistance (in the present embodiment, POM).

In the cap structure 3 of the present embodiment, the first opposing member 49 and the second pivot bearing portion 46 having excellent wear resistance are separately configured, whereby the durability of the hinge portion 10 can be achieved. Further, the second hinge receiving portion 46 is not limited to be formed separately from the first opposing member, and may be integrally formed with the first opposing member 49.

A plurality of (four in this embodiment) protrusions 50 are provided in a surface (the other surface) of the first opposing member 49 opposite to the first hinge receiving portion 45, and the protrusions 50 are It can be in sliding contact with the first pivot bearing portion 45. Moreover, another arm receiving portion 49a is disposed on a portion of the first opposing member 49 facing the first hinge bearing portion 45, and the other arm receiving portion 49a is recessed, and the configuration corresponds to the torsion spring. The other end of 27.

Since the projections 50 are substantially hemispherical in shape, when the projections 50 are in sliding contact with the first hinge bearing portion 45, the frictional resistance thereof is lowered. Further, the projections 50 are arranged in a radial shape (equally spaced) around the shaft hole 45a of the first opposing member 49. Further, it is preferable that at least three or more of the number of the protrusions 50 are arranged.

On the other hand, as shown in FIGS. 10 to 13, the first pivot bearing portion 45 is provided with sliding contact with the projections 50 on the surface (the other surface) of the first opposing member 49. Sliding contact surface 45d. The sliding contact surface 45d is formed in a substantially annular shape around the first housing recess 45b and the other arm receiving portion 45c.

The torsion spring 27 is disposed inside the first hinge bearing portion 45 (ie, on one side of the first hinge bearing portion 45 with respect to one of the second hinge bearing portions 46). Specifically, the torsion spring 27 has a winding portion 27a, an arm receiving portion 27b, and another arm receiving portion 27c. The winding portion 27a is wound in a coil shape; the arm receiving portion 27b is wound from the winding portion. One end side of the portion 27a extends; the other arm receiving portion 27c extends from the other end of the winding portion 27a.

When the torsion spring 27 is attached, the winding portion 27a is housed inside the first housing recess 45b, and the arm receiving portion 27b is engaged with one arm of the first hinge bearing portion 45 side. The other arm receiving portion 27c is fitted to the other arm receiving portion 49a on the side of the second hinge bearing portion 46.

Thereby, in the hinge portion 10, the position of the lid body 9 from the open liquid flow hole 14 (hereinafter referred to as an open position) is opposite to the direction in which the lid body 9 is opened (hereinafter referred to as off). When the vehicle is rotated in the closing direction, the opening angle of the one arm receiving portion 27b of the torsion spring 27 and the other arm receiving portion 27c is elastically deformed in the narrow direction, whereby the rebounding force can be used to bring the lid body 9 toward the opening direction. The cover body 8 is biased.

Referring to Figures 7, 10, 11 and 14, a second receiving recess 45e is provided on the first pivot bearing portion 45 with respect to the other side of the third pivot bearing portion 47. The second receiving recess 45e is provided. The portion of the third hinge bearing portion 47 is recessed inwardly to have a substantially cylindrical configuration. A coil spring (second biasing member) 51 is disposed inside the second housing recess 45e, and the coil spring 51 can be biased in the axial direction of the hinge portion 10. Further, a sliding member 52 is disposed in the inner side of the second housing recess 45e, and the sliding member 52 can be slidably biased by the coil spring 51 to be slidably disposed in the first hinge bearing portion 45 and the third hinge bearing. 47 departments.

The sliding member 52 is formed in a substantially bottomed cylindrical shape, and has a shaft hole 52a formed in a central portion of the bottom wall and a notch portion 52b. The notch portion 52b is a part of the side wall facing the rotation axis. The gap in direction. On the other hand, a guide convex portion 45f is formed to extend on the inner circumferential surface of the second housing recess 45e, and the guide convex portion 45f can be inserted inside the cutout portion 52b. The sliding member 52 is inserted into the inside of the notch portion 52b by the guide convex portion 45f so that the inside of the second housing recess portion 45e does not rotate together with the rotation of the lid body 9, and only slides in the axial direction.

The third hinge bearing portion 47 is provided to protrude from the other side of the rear center portion of the lid body 9 so as to be connectable to the first hinge bearing portion 45, and to provide a shaft hole 47a in the axial direction. A second opposing member (another opposing member) 53 is attached to a portion of the third hinge bearing portion 47 to the first hinge bearing portion 45 (or the sliding member 52).

Referring to FIGS. 10 and 15, the third hinge bearing portion 47 is provided with a second fitting recess 47b, and the second opposing member 53 can be fitted into the second fitting recess (a fitting recess). The inside of 47b. The material of the second opposing member 53 is different from the material of the third hinge bearing portion 47, such as polyacetal (POM), acrylonitrile butadiene styrene (ABS), metal, etc., and is optional A material (in the present embodiment, POM) having excellent wear resistance compared to the third hinge bearing portion 47.

In the cap structure 3 of the present embodiment, the second opposing member 53 and the third hinge bearing portion 47 having excellent wear resistance are separately configured, whereby the durability of the hinge portion 10 can be achieved. Further, the third hinge receiving portion 47 is not limited to being formed separately from the second opposing member 53 or may be integrally formed with the second opposing member 53.

Referring to Figures 7, 10 and 11, the pivot shaft 48 is completed by the shaft holes 45a, 46a, 47a extending through the first pivot bearing portion 45, the second pivot bearing portion 46, and the third pivot bearing portion 47. installation.

When the cover body 9 is in the open state, the hinge portion 10 can provide a buckle grip feeling through a clip mechanism 54, and the clip mechanism 54 can maintain the cover body 9 in an open state. Specifically, the clip mechanism 54 has an engaging recess 55 and an engaging protrusion 56, and the engaging recess 55 is disposed on the sliding member 52 to the third joint bearing portion 47 (or the second opposing direction) a side surface of the member 53); the engaging convex portion 56 is disposed on the side of the sliding member 52 on the third pivot bearing portion 47 (or the second opposing member 53), and the cover 9 is opened In the state of the state, the engaging convex portion 56 can be engaged with the engaging concave portion 54 to maintain the open state of the lid body 9.

Referring to Figures 7, 10, 11, 14, and 15, when the cover 9 is in the open state, the corresponding portion of one side of the engaging recess 55 is concave. On the other hand, the sliding member 52 is provided with an inclined surface 57 along the rotating direction of the cover body 9, and the inclined surface 57 is a surface of the sliding member 52 that contacts the engaging convex portion 56 to enable the joint. The convex portion 56 is guided to the engaging recess 55, and the inclined surface 57 is inclined toward the direction in which the concave portion 55 is engaged.

On the other hand, as shown in Figs. 10 and 15, the engaging convex portion 56 is protruded from the third hinge bearing portion 47. Further, the surfaces in which the engagement concave portion 55 and the engagement convex portion 56 are joined to each other in the rotational direction (hereinafter referred to as joint surfaces) 55a and 56a are inclined at the same angle.

The sliding member 52 approaches the third hinge bearing portion 47 by the compressive elastic force of the coil spring 51 in the second housing recess 45e. Thereby, the engaging convex portion 56 is in a state of pressing the sliding member 52.

On the other hand, the first hinge bearing portion 45 is biased toward the second hinge bearing portion 46 by the coil spring 51 compressed in the second housing recess 45e. Thereby, the plurality of protrusions 50 are in a state of pressing the sliding contact surface 45d.

In the hinge portion 10, when the lid body 9 is quantitatively rotated from the closed position toward the opening direction, the engaging convex portion 56 constituting the clip mechanism 54 is engaged with the engaging recess portion 55. Thereby, the grip feeling is provided in the open state, and the engagement of the engaging projection 56 with the engaging recess 55 maintains the lid 9 in the open state. In this case, the user can tilt the container body 2 to drink the beverage in the drinking container body 2. Further, in the case where the spring pressure of the torsion spring 27 is used to maintain the open state of the lid body 9, it is not necessary to rely on the spring pressure of the torsion spring 27, and the open state of the lid body 9 can be stably maintained.

Further, in the hinge portion 10, when the lid body 9 is rotated from the closed position toward the open position, the engaging convex portion 56 is brought into contact (sliding contact) with the inclined surface 57 which is inclined upward, and is guided to the joint. Concave 55. At this time, the pressing force (frictional resistance) to the engaging convex portion 56 of the inclined surface 57 is increased. Thereby, the rotational speed of the lid body 9 can be suppressed by the elastic pressure of the torsion spring 27. Accordingly, after the lid lock mechanism 37 is released, the lid body 9 can be prevented from being excessively rotated.

Further, in the clip mechanism 54, in a state in which the engaging convex portion 56 is joined to the engaging concave portion 55, the engaging surfaces 55a and 56a that are engaged with each other are inclined at the same angle. In this case, since no unnecessary force is applied between the engaging faces 55a and 56a which are joined to each other, the frictional engagement or the like of the engaging recessed portion 55 and the engaging convex portion 56 can be reduced.

Referring to Figures 2 and 7, a retaining member 58 is provided on the hinge portion 10, and the retaining member 58 can maintain and secure the position of the cover 9 when the cover 9 is in the open state. The holding member 58 can be constructed of an elastic member (for example, a rubber or an elastomer having heat resistance such as silicone). The holding member 58 is provided with a locking projection 58a and an abutting surface 58b.

A rear side of the hinge portion 10 (the first hinge bearing portion 45) is provided with a first opening portion 45g, and the locking projection portion 58a protrudes outward from the first opening portion 45g. The first opening 45g is disposed between the torsion spring 27 and the coil spring 51. The torsion spring 27 is housed in the first housing recess 45b, and the coil spring 51 is housed in the second housing recess 45e.

Further, a second opening portion 8d is formed on the rear side of the peripheral wall portion 8a of the cap body 8, and the abutting surface portion 58b can be exposed by the second opening portion 8d. The first opening portion 45g and the second opening portion 8d are in contact with each other to be continuously provided between the first hinge bearing portion 45 and the peripheral wall portion 8a. Further, the holding member 58 is provided with a shaft hole 58c through which the hinge shaft 48 is inserted.

As shown in Fig. 6, in the cap structure 3 of the present embodiment, when the cap 9 is in the open position and further rotated to the bottom, the end of the cap 9 will be able to pass over the latching projection 58a. Thereafter, it engages with the locking projection 58a. Further, when the locking projection 58a locks the end of the lid 9, the end of the lid 9 abuts against the abutting surface portion 58b. Then, the end portion of the lid body 9 can be maintained in a state of being engaged and fixed by the locking projection portion 58a and the contact surface portion 58b. Thereby, the open state of the lid body 9 can be stably maintained. Moreover, since the cover 9 is further removed from the open position After the rotation, the end portion of the lid body 9 is brought into contact with the abutting surface portion 58b, so that the impact generated during the rotation can be alleviated.

As described above, in the cap structure 3 of the present embodiment, by functioning on the hinge portion 10, a lightweight and excellent design of the hinge portion structure can be obtained.

In other words, in the cap structure 3 of the present embodiment, the torsion spring (first elastic member) 27 and the coil spring (second elastic member) 51 which are different in the direction of mutual force application are provided on the inner side of the hinge portion 10. The axially juxtaposed arrangement is used to arrange the elastic members 27 and 51 together in the hinge portion 10.

Further, in the bottle cap structure 3 of the present embodiment, a mechanism for rotating the lid body 9 in the opening direction by the elastic pressure of the torsion spring 27 is disposed in the hinge portion 10, and the buckle is applied to the opening position. And the mechanism (the clip mechanism 54) for maintaining the lid body 9 in an open state; and the elastic force of the coil spring 51 to press the joint convex portion 56 against the sliding member 52, and the plurality of protrusion portions 50 are pressed against the sliding contact surface 45d agency.

Further, in the cap structure 3 of the present embodiment, since the plurality of projections 50 on the second hinge bearing portion 46 side are in sliding contact with the sliding contact surface 45d of the first hinge bearing portion 46, the cover is When the body 9 is rotated relative to the cap body 8, the frictional resistance generated by the hinge portion 10 can be reduced and suppressed as compared with the prior art. Thereby, the elastic pressure of the torsion spring 27 and the coil spring 51 is relatively reduced. As a result, the wear occurring between the first hinge bearing portion 45, the second hinge bearing portion 46, and the third hinge bearing portion 47 is reduced, and the durability of the hinge portion 10 is further improved.

Further, in the cap structure 3 of the present embodiment, the holding member 58 can stably maintain the open state of the lid body 9, and therefore, drinking in or injecting into the container body 2 When the material (content) is used, it is possible to prevent the lid body 9 from rotating in the closing direction due to its own weight after the container body 2 is tilted. Therefore, in the beverage container 1 including the cap structure 3 of the present embodiment, the convenience of the lift can be further improved.

The present invention is not limited to the above-described embodiments, and various omissions, substitutions, and changes may be made without departing from the scope of the invention. Specifically, in the above-described hinge portion 10, the first hinge bearing portion 45 is provided on the bottle body 8, and the second hinge bearing portion 46 and the third hinge bearing portion 47 are provided on the cover body 9, but The first hinge bearing portion 45 is not limited to such a configuration, and the first hinge bearing portion 45 may be provided on the lid body 9, and the second hinge bearing portion 46 and the third hinge bearing portion 47 may be provided on the cap body 8. That is, the first hinge bearing portion 45 can be disposed on the cap body 8 or the cover body 9, and the second hinge bearing portion 46 and the third hinge bearing portion 47 can be disposed relative to the first One of the cover body 9 of the hinge bearing portion 45 or the cap body 8. Further, in the above-described hinge portion 10, the configuration of the second hinge bearing portion 46 side and the configuration of the third hinge bearing portion 47 side may be alternately arranged.

Further, in the hinge portion 10, the projections 50 are provided on the first opposing member 49 at a portion of the first hinge bearing portion 45, but the projections 50 may be provided at the first portion. The portion of the pivot bearing portion 45 above the first opposing member 49.

Further, in the hinge portion 10, the engaging recess portion 55 is provided on a portion of the sliding member 52 facing the second opposing member 53, and the engaging convex portion 56 is disposed on the second opposing member 53. The portion of the sliding member 52, but in other embodiments of the present invention, the engaging convex portion 56 may be provided on the portion of the sliding member 52 opposite to the second opposing member 53, and the engaging recess portion 55 is disposed on the second opposing member 53 at a portion of the sliding groove member 52.

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

Moreover, the present invention is applicable to the beverage container 1 having the temperature and cold retention function by the container body 2 having the above-described vacuum heat insulating structure. However, the present invention is not limited to the container body 2 having the vacuum heat insulating structure. That is, the present invention can be widely applied to a beverage container in which the cap structure is detachably attached to the neck of the container body, and a conditioning pot which is detachably attached to a lid having a wide opening such as a pan.

3‧‧‧Cap structure

8‧‧‧Cap body

9‧‧‧ cover

9c‧‧‧Inside wall

10‧‧‧Bridge Department

13‧‧‧Drinking mouth forming member

14‧‧‧Liquid circulation hole

15‧‧‧Drinking port loading and unloading mechanism

18‧‧‧Clocking members

26‧‧‧Water stop gasket

28‧‧‧Cover gasket

29‧‧‧Cover components

37‧‧‧cover locking mechanism

39‧‧‧Locking members

40‧‧‧Circular stop

44‧‧‧ Stopping Department

45‧‧‧First Hub Bearings

58‧‧‧Retaining components

58a‧‧‧Clocks

58b‧‧‧Resist face

Claims (10)

A cap structure is movably mounted on an upper opening of a container body of a beverage container, the cap structure comprising: a cap body capable of closing an opening portion of the container body, and the cap body is a liquid circulation hole is provided; and a cover body is movably mounted on the bottle cover body through a hinge portion, and when the cover body is in an open state, the liquid circulation hole can be opened, and when the cover body is in the In the closed state, the liquid circulation hole can be closed; the hinge portion is provided with a holding member, and the rear side is provided with a first opening portion, and the holding member is composed of an elastic member, and a locking protrusion is arranged thereon. The locking protrusion protrudes outward from the first opening, and after the cover is rotated and passes over the locking protrusion, the cover can be engaged with the locking protrusion to enable the cover When the body is in the open state, the position of the cover is maintained and fixed. The cap structure according to claim 1, wherein the holding member is provided with an abutting surface, and the abutting surface can abut the state in which the locking protrusion is engaged with the cap body. Cover. The bottle cap structure according to claim 1 or 2, wherein the hinge portion is provided with a first elastic member and a second elastic member, and the first elastic member can bias the cover toward the rotating state of the open state. The second elastic member can be biased along the axial direction of the hinge portion, and the holding member is located between the first elastic member and the second elastic member. The bottle cap structure of claim 3, wherein the hinge portion further comprises: a first hinge bearing portion disposed on the cap body or the cover; a second hinge bearing portion and a third hub The bearing portion is disposed on the cover body or the cap body relative to the first hinge bearing portion, and the first hinge bearing portion is located between the second hinge bearing portion and the third hinge bearing portion; a pivoting shaft is disposed through the first pivot bearing portion, the second pivot bearing portion, and the third pivot bearing portion; the first resilient member is disposed on the first pivot bearing portion relative to the second pivot bearing portion a side surface; and the second elastic member is disposed on the first hinge bearing portion opposite to the other side of the third hinge bearing portion. The cap structure of claim 4, wherein the first biasing member is a torsion spring. The cap structure of claim 5, wherein the second biasing member is a coil spring. The bottle cap structure of claim 6, wherein the hinge portion has a clip mechanism capable of providing a clasp feel when the cover body opens the liquid flow hole, and maintaining the cover body Open state. The cap structure according to claim 7, wherein the clip mechanism comprises: a sliding member that can be pushed by the second elastic member to be slidably disposed in the first hinge bearing portion and the third Between the hub bearing portions; an engaging recess portion disposed on a side of the sliding member to the third pivot bearing portion; and an engaging convex portion disposed on the third pivot bearing portion to the sliding member a side surface; in a case where the cover body is in an open state, the engaging convex portion can be engaged with the engaging concave portion to maintain an open state of the cover body. The bottle cap structure of claim 8, wherein the cap structure further comprises a cap locking mechanism, the cap locking mechanism is disposed on the container body to resist the elastic pressure of the first elastic member, The cover is fixed to the cap body. A container for a beverage, comprising: the cap structure according to any one of claims 1 to 9; A container body for mounting the cap structure.