CN110638344B - Lid unit and container with lid - Google Patents

Abstract

The invention provides a cover unit and a container with a cover, which can increase the rotation range of a locking component and further improve the use convenience. The lid locking mechanism (10) is provided with a locking member (32), wherein the locking member (32) is rotatably mounted on the lid body (9) through a second hinge part (31), and rotates between a locking position at which one locking part (35) arranged at one end side is locked at the other locking part (36) arranged at the lid main body (8) side and a locking release position at which the locking state of the one locking part (35) and the other locking part (36) is released, and the second hinge part (31) is arranged at the inner side of a corner part between a top wall part (9b) and a peripheral wall part (9a) at the opposite side of the first hinge part (24).

Description

Lid unit and container with lid

technical field

The present invention relates to a lid unit and a lidded container.

Background technique

Conventionally, as a container with a lid, there is a beverage container in which a lid unit (stopper) is attached to the mouth and neck portion of the container main body opened at the top (for example, refer to Citation 1 below).

For example, the lid unit described in the following cited document 1 includes a lid body that closes the upper opening of the container body, and that is provided in the upper part with a liquid port serving as a drinking port or a pouring port, and a lid body that rotates via a hinge portion It is freely attached to the lid body, and opens and closes the liquid port in a state where the biasing member provided on the hinge portion is biased in the direction of opening the liquid port; and a lid locking mechanism that overcomes the biasing force of the biasing member, And fix the cover body in the position to close the liquid port.

In the beverage container (container with lid) provided with such a lid unit, the lid body is rotated by the urging force of the urging member by releasing the lid locking mechanism from fixing the lid body, and the liquid port is opened. Thereby, the container main body can be inclined to the side opposite to the hinge portion, and the beverage in the container main body can be drunk or poured through the liquid port.

In addition, the cover locking mechanism described in the following cited document 1 has an operation button on the upper part of the cover body, and after the operation of sliding the operation button in the direction toward the hinge portion, the operation button is pressed in the direction of pressing the operation button. By operating, the locked state of the lid body is released, and the lid body can be rotated in the opening direction by the urging force of the urging member. Thereby, the lid body can be prevented from being opened due to an inadvertent operation, and further improvement in usability can be achieved.

Furthermore, the lid lock mechanism described in the following cited document 1 has a lock member rotatably attached to the lid body via a hinge portion. The locking member is locked at the locking position of the hook portion (one locking portion) provided on the one end side of the locking recessed portion (the other locking portion) provided on the lid body side, and the hook portion and the locking recessed portion are locked Rotate between the unlocked positions where the state is released.

Thereby, when the lock member is in the lock position, the hook portion is located inside the slit provided in the peripheral wall portion of the lid body, and is in a state of being locked with the locking recessed portion. On the other hand, when the lock member is in the unlocking position, the hook portion protrudes outward from between the slits, and the locked state locked with the locking recessed portion is released.

Therefore, in such a cover unit, only when the locked state of the cover body is released, one locking portion protrudes outward from between the slits. Therefore, when the cover body is locked, one locking portion The inside of the slit makes it difficult to apply a force in the direction of releasing the locked state to the locking member.

Patent Document 1: Japanese Patent Laid-Open No. 2017-001741

However, in the cover unit described in the above-mentioned Citation 1, in order to cope with the container body having a relatively large size (capacity), it is required to increase the rotational range of the locking member. That is, in the cover locking mechanism included in such a cover unit, if the locking member can be rotated largely between the locking position and the unlocking position with respect to the operation amount (stroke) of the operation button, it can be applied to larger Containers for beverages (with lids) of size (capacity).

SUMMARY OF THE INVENTION

The present invention has been made in view of such existing circumstances, and an object of the present invention is to provide a lid unit capable of increasing the rotational range of the locking member and further improving usability, and a container with lid including such a lid unit.

In order to achieve the above-mentioned object, the present invention provides the following mechanism.

[1] A cover unit detachably attached to a container body with an upper opening, characterized by comprising:

a lid body, which closes the upper opening of the container body, and is provided with a liquid port on the upper part;

A lid body is rotatably attached to the lid body via a first hinge portion, and opens and closes the communication port in a state where a biasing member provided in the first hinge portion is biased in a direction in which the liquid port is opened. liquid port; and

A cover locking mechanism, which overcomes the force of the force applying member, and fixes the cover body at the position of closing the liquid passage,

The cover body has a top wall portion and a peripheral wall portion formed by descending from the periphery of the top wall portion,

The lid locking mechanism includes a locking member that is rotatably attached to the lid body via a second hinge portion, and that one locking portion provided on one end side is locked to the other locking portion provided on the lid body side. between the locking position of the stopper and the unlocking position at which the locking state of the one locking portion and the other locking portion is released,

The said second hinge part is provided so that it may be located in the inside of the corner part between the said top wall part and the said peripheral wall part on the side opposite to the said 1st hinge part.

[2] The cover unit according to the above [1], wherein

The second hinge portion has: a hinge bearing portion provided on the locking member; and

a hinge shaft which is attached in a state of penetrating the hinge bearing portion in the direction of the rotation axis,

A concave portion corresponding to the hinge bearing portion is provided on the inner side of the corner portion between the top wall portion and the peripheral wall portion.

[3] The cover unit according to the above [2], wherein

It is provided with a stopper member which is mounted on the inside of the cover body and closes the liquid passage port,

The second hinge portion is fitted into a pair of bearing recesses provided at the inner side of a corner portion between the top wall portion and the peripheral wall portion at both end portions of the hinge shaft, and a pair of bearings provided on the closing member abuts against a pair of bearings. The locking member is rotatably supported in a state where the contact portion is in contact with both ends of the hinge shaft.

[4] The cover unit according to any one of the above [1] to [3], wherein, when the lock member is in the lock position, the lock member is positioned at a portion of a slit provided in the peripheral wall portion. On the inner side, when the lock member is in the unlocked position, the lock member protrudes outward from between the slits.

[5] The cover unit according to any one of the above [1] to [4], wherein the cover locking mechanism includes an operation button on the upper portion of the cover body, and when the operation button is directed After the operation of sliding in the direction of the first hinge portion, the operation button is operated in the direction in which it is pressed, thereby releasing the locked state of the cover body, and the cover body can be moved toward the cover body by the urging force of the urging member. Turn on the direction.

[6] The cover unit according to the above [5], wherein

The lid locking mechanism described above has:

a guide hole, which is located on the upper part of the cover body, and guides the operation button to the pressing direction;

an operation member disposed inside the guide hole and guiding the operation button so as to be freely slidable between one end and the other end in the sliding direction;

a first spring member that urges the operation button to the one end side in the sliding direction; and

A second spring member that urges the lock member toward the lock position side in the rotational direction,

After performing the operation of sliding the operation button from the one end side to the other end side against the urging force of the first spring member, the operation button and the operating member together with the urging force of the second spring member are performed. By pressing down toward the inside of the guide hole, the operating member presses the other end side of the locking member and rotates the locking member to the unlocking position against the urging force of the second spring member.

[7] The cover unit according to the above [6], wherein

The said cover locking mechanism has the 3rd spring member which urges the said operation member in the direction which pushes it.

[8] The cover unit according to the above [6] or [7], wherein

The one end in the sliding direction of the operation button is at a position where a part of the operation button overlaps the upper surface of the cover body, and the other end in the sliding direction of the operation button is at the position where the operation button overlaps with the guide hole.

[9] The cover unit according to any one of the above [1] to [8], wherein the cover body is provided with a sealing member for sealing the liquid passage.

[10] The cover unit according to any one of the above [1] to [9], further comprising a port forming member for forming the liquid passage port,

The said port forming member is detachably attached to the said cover main body.

[11] A container with a lid, comprising:

The cover unit of any one of the above [1] to [10]; and

A container body to which the above-mentioned cover unit is attached.

As described above, according to the present invention, it is possible to provide a lid unit capable of increasing the rotational range of the locking member and further improving usability, and a lidded container provided with such a lid unit.

Description of drawings

FIG. 1 is a perspective view showing the appearance of a container with a lid according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a locked state of a lid unit included in the container with lid shown in FIG. 1 .

FIG. 3 is a perspective view showing a unlocked state of a lid unit included in the container with lid shown in FIG. 1 .

4 is a cross-sectional view showing a locked state of a lid unit included in the container with lid shown in FIG. 1 .

FIG. 5 is a cross-sectional view showing a unlocked state of the lid unit included in the container with lid shown in FIG. 1 .

FIG. 6 is a perspective view showing the configuration of the lid lock mechanism provided in the lid unit on the lid body side.

Fig. 7 is an exploded perspective view showing the structure of the lid lock mechanism shown in Fig. 6 on the lid body side.

Fig. 8 is a perspective view showing a portion of the lid lock mechanism shown in Fig. 6 cut away on the lid body side.

Description of reference numerals

1...container with lid; 2...container body; 2c...mouth and neck portion; 2d...upper opening portion; 3...cap unit; 8...cap body; 9...cap body; 9a...peripheral wall portion; 9b...top wall portion; 10 ...cap locking mechanism; 11...bottom member; 12...shoulder member; 13...port forming member; 14...liquid port; 26...cover gasket (sealing member); 27...operation button; 29...guide hole; 30...operation member; 31...second hinge portion; 31a...hinge bearing portion; 31b...hinge shaft; 31d...bearing contact portion; 32...locking member; 33...third coil spring (third spring member); 34...first coil spring (first spring member); 35...hook portion (one locking portion); 36...locking recessed portion (another locking portion); 37...second coil spring (second spring member); 38...recessed portion.

Detailed ways

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

As one Embodiment of this invention, the container with lid|cover 1 shown in FIGS. 1-8 is demonstrated, for example. Moreover, FIG. 1 is a perspective view which shows the external appearance of the container 1 with a lid. FIG. 2 is a perspective view showing a locked state of the lid unit 3 included in the container with lid 1 . FIG. 3 is a perspective view showing a unlocked state of the lid unit 3 included in the container with lid 1 . FIG. 4 is a cross-sectional view showing a locked state of the lid unit 3 included in the container with lid 1 .

FIG. 5 is a cross-sectional view showing a unlocked state of the lid unit 3 included in the container with lid 1 .

FIG. 6 is a perspective view showing the configuration of the lid lock mechanism 10 included in the lid unit on the lid body 9 side.

FIG. 7 is an exploded perspective view showing the structure of the lid lock mechanism 10 on the lid body 9 side. FIG. 8 is a perspective view showing a part of the lid lock mechanism 10 on the lid body 9 side, which is cut away.

As shown in FIG. 1 , the lidded container 1 of the present embodiment includes a container body 2 and a lid unit 3 detachably attached to the container body 2 . The lidded container 1 is a container for beverages that can keep the beverage (internal contents) accommodated in the container main body 2 warm or cold by the container main body 2 having the vacuum insulation structure.

Specifically, as shown in FIGS. 1 , 4 and 5 , the container body 2 is constituted by a container having a dual structure: a bottomed cylindrical outer container 4 and an inner container 5 made of stainless steel, for example, and an outer container 5 . The corners of the mouths are joined to each other in a state where the inner container 5 is accommodated inside the container 4 . In addition, a vacuum insulation 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 the degassing hole provided in the center portion of the bottom surface of the outer container 4 in a chamber depressurized (evacuated) to a high vacuum.

The container main body 2 has a substantially circular bottom portion 2a, a substantially cylindrical body portion 2b rising from the outer periphery of the bottom portion 2a, and a substantially cylindrical mouth-neck portion 2c whose diameter is reduced on the upper portion of the body portion 2b. . Moreover, the upper end part of the mouth-neck part 2c is opened in a circular shape as the upper opening part 2d of the container main body 2. Moreover, the annular extension part 7 is provided in the inside of the mouth-neck part 2c so that it may protrude over the whole circumference.

In addition, although the container with lid 1 of the present embodiment has a substantially cylindrical outer shape as a whole, the outer shape of the container with lid 1 is not particularly limited, and can be appropriately changed according to dimensions, design, and the like. In addition, coating, printing, etc. may be performed on the outer peripheral surface of the container body 2 .

The lid unit 3 of the present embodiment is a member constituting a stopper that closes the upper opening portion 2d of the container body 2 . Specifically, as shown in FIGS. 2 to 5 , the lid unit 3 includes a lid body 8 , a lid body 9 rotatably attached to the lid body 8 , and a lid locking mechanism 10 that fixes the lid body 9 with respect to the lid body 8 .

In addition, in the following description, the side on which the lid body 9 is attached to the lid body 8 via the first hinge portion 24 described later is referred to as the “rear side” of the container with lid 1, and the opposite side is referred to as the side with lid The "front side" of the container 1 will be described.

The cover body 8 is formed of, for example, a heat-resistant resin such as polypropylene. The lid main body 8 has: a peripheral wall part 8a formed in a substantially cylindrical shape so as to be continuous with the body part 2b of the container main body 2; The diameter-reduced opening part 8b.

On the other hand, the bottom member 11 is attached to the bottom part 2a of the container main body 2, and the shoulder member 12 is attached to the mouth-neck part 2c. The bottom member 11 and the shoulder member 12 are formed of, for example, a heat-resistant resin such as polypropylene. The bottom member 11 is formed in a bottomed cylindrical shape as a whole. The bottom member 11 is fitted into the stepped portion 2e between the bottom portion 2a and the trunk portion 2b of the container body 2 , and is attached in a state of covering the bottom portion 2a of the container body 2 .

The shoulder member 12 has a substantially cylindrical shape as a whole. The shoulder member 12 is fitted into the stepped portion 2f between the trunk portion 2b of the container body 2 and the mouth and neck portion 2c, and is attached in a state of covering the mouth and neck portion 2c of the container body 2. As shown in FIG. Moreover, the shoulder member 12 is provided with the handle part 12a. The handle part 12a protrudes from the outer peripheral part of the rear side of the shoulder member 12, and is provided to extend downward.

The lid main body 8 is detachably attached to the shoulder member 12 (container main body 2 ) by screwing. Therefore, the internal thread part 8d is provided in the inner peripheral surface of the peripheral wall part 8a.

On the other hand, the outer peripheral surface of the shoulder member 12 is provided with the male screw portion 12b screwed with the female screw portion 8d.

In addition, the cap body 8 is not limited to the structure detachably attached to the shoulder member 12 described above, and the shoulder member 12 may be omitted, and the structure may be detachably attached to the mouth and neck portion 2c of the container body 2 . In this case, what is necessary is just to set it as the structure which provided the external thread part screwed with the internal thread part 8d on the outer peripheral surface of the mouth-neck part 2c.

A mouth forming member 13 that forms a drinking mouth or a pouring mouth (in this embodiment, a drinking mouth) is detachably attached to the opening 8 b of the lid body 8 . The mouth forming member 13 is formed of, for example, a heat-resistant resin such as polypropylene. The port forming member 13 includes: a bottom wall portion 13a in which the liquid passage port 14 and the vent port 15 are formed; a cylindrical peripheral wall portion 13b rising upward from the periphery of the bottom wall portion 13a; A lower flange portion 13c protruding annularly at the lower end side; a pair of upper flange portions 13d protruding in opposite directions (left-right direction) from the upper end side of the outer peripheral surface of the peripheral wall portion 13b; and an upper end from the peripheral wall portion 13b A drinking mouth portion 13e protruding in a chamfered shape.

Among them, the drinking mouth portion 13e is located on the front side of the mouth forming member 13 . The liquid passage 14 is provided so as to penetrate through the bottom surface of the concave portion 14a formed in the bottom wall portion 13a. The ventilation port 15 is provided so as to penetrate the bottom wall part 13a located in the position higher than the recessed part 14a. In addition, the liquid port 14 is located on the side (front side) of the drinking port 13e rather than the vent port 15, and is larger than the vent port 15 formed with a circular hole in the front-rear direction and has a substantially elliptical opening.

Between the lid main body 8 and the mouth forming member 13 , a detachable mechanism 16 for detachably attaching the mouth forming member 13 to the opening portion 8 b of the lid main body 8 is provided. The attaching and detaching mechanism 16 has a first claw portion 17 on the front side of the mouth forming member 13 , and a shutter 19 provided with a second claw portion 18 on the rear side of the mouth forming member 13 .

The first claw portion 17 is provided so as to protrude forward from the upper end side of the outer peripheral surface of the peripheral wall portion 13b. The shutter 19 is arranged along the outer peripheral surface of the rear side of the mouth forming member 13 . In addition, the lower end (base end) portion of the shutter 19 is rotatably supported by a hinge mechanism 13f provided in the mouth forming member 13 . The second claw portion 18 is provided so as to protrude rearward from the upper end (front end) side of the shutter 19 . A front end portion of the second claw portion 18 forms an inclined surface 18a.

An elastic member 20 formed of, for example, rubber, an elastic body, or the like is arranged between the mouth forming member 13 and the shutter 19 . The elastic member 20 is attached to the surface of the shutter 19 facing the port forming member 13 . When the front end side of the shutter 19 is rotated forward, the elastic member 20 is compressed (elastically deformed) between the shutter 19 and the mouth forming member 13 , thereby urging the shutter 19 toward the rear. In addition, the upper end (front end) portion of the shutter 19 is provided with an operation portion 19a, and the operation portion 19a has a concave portion or a convex portion for easily turning the shutter 19 with a finger.

On the other hand, the attaching and detaching mechanism 16 has a first locked portion 21 on the front side of the cover main body 8 , and has a second locked portion 22 on the rear side of the cover main body 8 . The first locked portion 21 and the second locked portion 22 are stepped portions respectively provided at front and rear positions along the opening portion 8b of the upper wall portion 8c.

In the attaching/detaching mechanism 16 having the above structure, the mouth forming member 13 is fitted into the lid body 8 from the lower side in a state where the first claw portion 17 is positioned with respect to the first locked portion 21 . Inside of the opening 8b. At this time, the pair of upper flange portions 13d is brought into contact with the lower surface of the upper wall portion 8c of the lid main body 8 . In addition, the first claw portion 17 is locked to the first locked portion 21 . Further, the inclined surface 18a of the second claw portion 18 abuts on the edge of the opening portion 8b of the cover body 8, and the front end side of the shutter 19 is turned forward as the second claw portion 18 goes over the edge of the opening portion 8b. At the same time, the front end side of the shutter 19 is returned to its original position rearward, and at the same time, the second claw portion 18 is locked to the second locked portion 22 .

Thereby, the mouth forming member 13 is in a state of being attached to the opening portion 8b of the lid body 8 . In addition, at the same time as the attachment port forming member 13, the drinking port portion 13e is in a state of protruding outward (upward) from the opening portion 8b of the lid main body 8. As shown in FIG.

On the other hand, in the attaching and detaching mechanism 16 , the locked state of the second claw portion 18 with respect to the second locked portion 22 is released by the operation of turning the front end side of the shutter 19 forward. Thereby, the locked state of the first claw portion 17 with respect to the first locked portion 21 can be released, and the opening forming member 13 can be removed from the lower side of the opening portion 8 b of the cover main body 8 .

The lid body 8 to which the mouth forming member 13 is attached is attached to the mouth neck portion 2c of the container body 2, thereby closing the upper opening 2d of the container body 2 with the mouth forming member 13 fitted inside the upper opening 2d.

A water stop gasket 23 is detachably attached to the lower flange portion 13c of the mouth forming member 13 . The water stop gasket 23 is an annular sealing member for sealing between the extension portion 7 (container main body 2 ) and the mouth forming member 13 (cap main body 8 ). The water stop gasket 23 is formed of, for example, a heat-resistant rubber such as silicone rubber, or an elastic member such as an elastic body. The water stop gasket 23 is fitted into the outer peripheral portion of the lower flange portion 13c.

When the water stop gasket 23 is fitted into the inner side of the upper opening portion 2d of the container body 2, it is in a state of being in close contact with the extension portion 7 of the container body 2 over the entire circumference while elastically deforming. Thereby, the space between the extension part 7 and the port forming member 13 can be hermetically sealed.

The lid body 9 is a member that opens and closes the liquid passage port 14 formed by the port forming member 13 , and is formed of, for example, a heat-resistant resin such as polypropylene. The lid body 9 has a peripheral wall portion 9a formed in a substantially cylindrical shape so as to be continuous with the peripheral wall portion 8a of the lid main body 8, and a top wall portion 9b covering the top surface of the peripheral wall portion 9a.

The lid body 9 is rotatably attached to the lid body 8 via the first hinge portion 24 . The lid body 9 is in a state of being biased in the direction (opening direction) in which the liquid passage port 14 is opened by the biasing member 24 a provided in the first hinge portion 24 . In addition, in this embodiment, a torsion coil spring is used as the biasing member 24a. In addition, the biasing member 24a is not limited to a spring member such as a torsion coil spring, and an elastic member such as a rubber or an elastic body can also be used.

Inside the lid body 9, a stopper member 25 for closing the liquid passage port 14 formed by the port forming member 13 is provided. The lid body 9 has a substantially cylindrical inner wall portion 9c which is located inside the peripheral wall portion 9a descending from the periphery of the top wall portion 9b and descends from a substantially central portion on the lower surface side of the top wall portion 9b. The stopper member 25 is attached to the inner side of the inner wall portion 9c by fitting. An accommodation space for accommodating a lid lock mechanism 10 described later is provided inside the stopper member 25 .

The lid body 9 to which the plug closing member 25 is attached closes the liquid passage 14 formed by the port forming member 13 in a state where the plug closing member 25 is fitted into the inside of the port forming member 13 .

A lid packing 26 for sealing the liquid passage 14 is detachably attached to the outer peripheral portion of the stopper member 25 . The lid packing 26 is a plug-shaped sealing member for sealing between the mouth forming member 13 and the plug closing member 25 . In addition, the same material as the water stop gasket 23 is used for the lid gasket 26 . The lid gasket 26 is fitted into the closure member 25 so as to cover the closure member 25 . In addition, the lid gasket 26 is provided with a substantially dome-shaped first plug portion 26 a abutting against the liquid port 14 , and a substantially cylindrical second plug portion 26 b abutting against the vent port 15 .

When the lid gasket 26 is fitted into the inside of the port forming member 13, the liquid port 14 is closed with the first plug portion 26a in close contact with the periphery of the liquid port 14 while elastically deforming, and the second plug portion 26b is closed. The vent 15 is closed in a state of being in close contact with the periphery of the vent 15 . Thereby, the space between the mouth forming member 13 and the stopper member 25 can be hermetically sealed.

The lid locking mechanism 10 overcomes the urging force of the urging member 24 a provided on the first hinge portion 24 to fix the lid body 9 at the position where the lid body 9 closes the liquid port 14 . In addition, the lid locking mechanism 10 has the operation button 27 on the upper part of the lid body 9 , and after the operation of sliding the operation button 27 in the direction toward the first hinge portion 24 is performed, the operation button 27 is pressed in the direction of pressing the operation button 27 . By the operation, the locked state of the lid body 9 is released, and the lid body 9 can be rotated in the opening direction by the urging force of the urging member 24a.

Specifically, the lid locking mechanism 10 has a guide groove 28 that guides the operation button 27 in a direction in which it slides, and a guide hole 29 that guides the operation button 27 in a direction in which it is pressed.

The operation button 27 is formed in a substantially disc shape, and has a guide protrusion 27a and a restriction protrusion (one restriction member) 27b protruding downward from the guide protrusion 27a on the lower surface thereof. Further, an operation portion 27c is provided on the upper surface of the operation button 27, and the operation portion 27c has a concave portion or a convex portion (a concave portion in this embodiment) for facilitating the sliding operation of the operation button 27 with a finger.

The guide groove 28 is formed so that the substantially center part of the upper surface side of the cover body 9 (top wall part 9b) may be notched by the width|variety corresponding to the operation button 27 in the front-back direction. The guide hole 29 is located inside the guide groove 28 , and penetrates the top wall portion 9 b in accordance with the outer shape of the operation button 27 .

In addition, the lid lock mechanism 10 includes an operation member 30 disposed inside the guide hole 29 and a lock member 32 rotatably attached to the lid body 9 via the second hinge portion 31 .

The operation member 30 is formed in a substantially disc shape with the inner shape of the guide hole 29 , and a flange portion (not shown) protruding from the outer peripheral portion of the operation member 30 abuts on the periphery of the guide hole 29 , thereby restricting contact with the guide hole 29 compared to the upward movement. In addition, the operation member 30 is supported by a guide rib (not shown.) provided on the inner side of the inner wall portion 9c by engaging with a guide slit (not shown.) provided in the flange portion to move up and down in the vertical direction. freely.

Further, on the lower surface of the operating member 30, a guide pin 30a is protrudingly provided. On the other hand, a guide cylinder 25 a is protruded from the bottom surface of the inner side of the stopper member 25 . Furthermore, the operation member 30 is supported so as to be movable up and down in the vertical direction by engaging the guide pin 30a on the inner side of the guide cylinder 25a.

A third coil spring (third spring member) 33 is arranged inside the closing member 25 . The third coil spring 33 is held in a state of being erected from the bottom surface of the stopper member 25 by entering the guide cylinder 25a inward. When the operation member 30 is pushed down, the third coil spring 33 is compressed (elastically deformed) between the operation member 30 and the stopper member 25 , thereby biasing the operation member 30 in a direction to push the operation member 30 . In addition, by providing the third coil spring 33, the locked state of the lid body 9 by the lid locking mechanism 10 can be reliably maintained.

The operation member 30 is provided with a guide recess 30b. The guide recess 30b is formed so that the operation member 30 is notched by the length corresponding to the sliding amount of the operation button 27 from the front end toward the rear end of the operation member 30 . The operation member 30 guides (supports) the operation button 27 so as to be slidable in the front-rear direction in a state in which the guide convex portion 27a is engaged with the guide recessed portion 30b.

Moreover, the 1st coil spring (1st spring member) 34 is arrange|positioned inside the guide recessed part 30b. The first coil spring 34 is held between the guide convex portion 27a and the guide concave portion 30b in a state in which the pin 27d protruding from the rear side surface of the restricting convex portion 27b enters the inside.

When the first coil spring 34 slides the operation button 27 from one end side (front side) toward the other end side (rear side) in the sliding direction (front-rear direction), it is held between the operation button 27 (the guide protrusion 27 a ) and the operation member. 30 (guide recessed part 30b) is compressed (elastically deformed), thereby biasing the one end side (front side) of the operation button 27 in the sliding direction (front-rear direction).

Here, one end (front end) of the operation button 27 in the sliding direction (front-rear direction) is at a position where a part of the operation button 27 overlaps the upper surface of the cover 9 (top wall portion 9b ) (hereinafter, referred to as a first position.) . At the first position, a part of the operation button 27 abuts on the upper surface of the lid body 9 (top wall portion 9b ), thereby restricting the pressing operation of the operation button 27 .

In addition, a restriction pin 25b (another restriction member) that faces the restriction convex portion 27b when the operation button 27 is in the first position is provided on the inner bottom surface of the stopper member 25 . In the first position, the restriction protrusion 27 is located above the restriction pin 25b. In this case, even if the operation button 27 sags too much due to deformation of a part or the like, the restriction convex portion 27b abuts the restriction pin 25b to restrict the pressing operation of the operation button 27, and the operation button 27 can be smoothly swipe operation.

On the other hand, the other end (rear end) in the sliding direction (front-rear direction) of the operation button 27 is at a position where the operation button 27 and the guide hole 29 overlap (hereinafter, referred to as a second position). In addition, at the second position, the restraint of the restraint convex portion 27b by the restraint pin 25b is released by deviating from the position of the restraint convex portion 27b to the rear side with respect to the restraint pin 25b. Thereby, in the second position, the pressing operation of the operation button 27 can be performed.

The second hinge portion 31 is provided on the inner side of the corner portion between the peripheral wall portion 9 a and the top wall portion 9 b on the opposite side (front side) to the first hinge portion 24 . The second hinge portion 31 includes a hinge bearing portion 31a provided on the lock member 32, and a hinge shaft 31b attached in a state of penetrating the hinge bearing portion 31a in the rotation axis direction.

The lock member 32 is rotatably supported by the second hinge portion 31 . The lock member 32 has a first arm portion 32a extending from the hinge bearing portion 31a in the direction along the peripheral wall portion 9a, and a second arm portion 32b extending from the hinge bearing portion 31a in the direction along the top wall portion 9b.

A slit 9d is provided on the front side of the lid body 9 (peripheral wall portion 9a) so that the first arm portion 32a faces outward. The slit 9d is notched from the lower end side toward the upper end side of the peripheral wall portion 9a by the width and length corresponding to the first arm portion 32a. On the other hand, the outer surface of the first arm portion 32a facing outward from the slit 9d forms an outer peripheral surface continuous with the peripheral wall portion 9a of the lid body 9 .

A hook portion (one locking portion) 35 is provided at the front end (one end of the locking member 32 ) of the first arm portion 32 a . The front end of the hook portion 35 protrudes rearward, and the lower surface side of the protruding portion is further inclined.

The cover main body 8 is provided with a locking concave portion (another locking portion) 36 to which the hook portion 35 is locked. The locking recessed portion 36 is formed so that the front side of the upper wall portion 8c is notched in a form-fitting manner with the hook portion 35 .

The lock member 32 rotates between a lock position where the hook portion 35 is locked to the locking recessed portion 36 and a lock release position where the locking state of the hook portion 35 and the locking recessed portion 36 is released.

A second coil spring (second spring member) 37 is provided inside the closing member 25 . The second coil spring 37 enters the inside of the second coil spring 37 by entering the pin 25c protruding from the bottom surface of the inner side of the latch member 25 and the pin 32c protruding downward from the front end of the second arm portion 32b (the other end of the locking member 32), respectively. It is held in a state of being erected from the bottom surface of the stopper member 25 . The second coil spring 37 biases the lock member 32 toward the lock position side in the rotational direction in a state of being compressed between the front end of the second arm portion 32b and the stopper member 25 .

In the lid locking mechanism 10 having the above structure, after the operation of sliding the operation button 27 from the first position to the second position against the urging force of the first coil spring 34 is performed, the operation button 27 and the operation button 27 are operated The operation of pressing the member 30 toward the inside of the guide hole 29 against the urging force of the second coil spring 37 and the third coil spring 33 together.

Thereby, the operation member 30 presses the front end (the other end of the lock member 32 ) of the second arm portion 32 b and rotates the lock member 32 to the unlocked position against the urging force of the second coil spring 37 . By operating the operation button 27 as described above, the locked state of the lid body 9 can be released, and the lid body 9 can be rotated in the opening direction by the urging force of the urging member.

Therefore, in the cover unit 3 including the cover locking mechanism 10 of the present embodiment, after the operation of sliding the operation button 27 is performed, the operation of pressing the operation button 27 (so-called two-action operation) is performed, whereby the cover body The locked state of 9 is released. Therefore, it is possible to prevent the lock state of the lid from being released by an inadvertent pressing operation (so-called one-action operation) of the conventional operation button.

In addition, in the cover unit 3 of the present embodiment, since there is no need to provide a conventional safety shutter or the like, it is possible to prevent the cover body 9 from being opened by an inadvertent operation without increasing the number of parts.

In addition, in the cover unit 3 of the present embodiment, the operation of sliding the above-mentioned operation button 27 and the operation of pressing the operation button 27 can be performed by successive operations. This eliminates the need to operate the operation button after removing the cup, or to operate the operation button 27 after releasing the safety shutter, as in the related art, so that the usability can be further improved.

As described above, in the container with lid 1 provided with the lid unit 3 of the present embodiment, the lid body 9 can be prevented from being opened by an inadvertent operation, and the usability can be further improved.

However, in the lid locking mechanism 10 of the present embodiment, as shown in FIGS. 6 to 8 , a hinge bearing portion 31 a corresponding to the hinge bearing portion 31 a is provided on the inner side of the corner portion between the above-described peripheral wall portion 9 a and the top wall portion 9 b Recess 38 .

Accordingly, in the lid lock mechanism 10 of the present embodiment, the second hinge portion 31 (the hinge bearing portion 31 a ) can be positioned on the peripheral wall portion 9 a in a state where the second hinge portion 31 is disposed inside the lid body 9 . The inner side of the corner portion with the top wall portion 9b.

In addition, in the lid locking mechanism 10 of the present embodiment, the second hinge portion 31 includes a pair of bearing recesses 31c provided on the inner side of the corner portion between the peripheral wall portion 9a and the top wall portion 9b, and a stopper member provided in 25 of the pair of bearing abutting portions 31d. The second hinge portion 31 supports the locking member 32 in a state where both ends of the hinge shaft 31b are fitted into the pair of bearing recesses 31c, and the pair of bearing abutting portions 31d are in contact with both ends of the hinge shaft 31b. The support is free to rotate.

Accordingly, in the lid lock mechanism 10 of the present embodiment, the lock member 32 can be rotatably supported with the second hinge portion 31 positioned inside the corner portion between the peripheral wall portion 9a and the top wall portion 9b.

In addition, in the lid lock mechanism 10 of the present embodiment, a pair of bearing contact portions 31d (a part of the stopper member 25 ) can be arranged to be positioned inside the corner portion between the above-mentioned peripheral wall portion 9a and the top wall portion 9b A state in which both ends of the hinge shaft 31b are covered (hidden state).

In the lid unit 3 including the lid locking mechanism 10 of the present embodiment, by positioning the second hinge portion 31 on the inner side of the corner portion between the above-described peripheral wall portion 9a and the top wall portion 9b, the distance from the locking member 32 can be increased. The entire length of the first arm portion 32a extended by the hinge bearing portion 31a. Thereby, when the lock member 32 is rotated to the unlocked position by the pressing operation of the operation button 27, the rotation range of the first arm portion 32a can be increased.

Therefore, in the cover unit 3 of the present embodiment, the locking member 32 can be largely rotated between the locked position and the unlocked position for the amount of operation (stroke) in the direction in which the operation button 27 is pressed, and thus can be applied to Larger size (capacity) beverage containers (containers with lids).

In addition, in the cover unit 3 of the present embodiment, only when the locked state of the cover body 9 is released, the locking member 32 protrudes to the outside (front side) from between the slits 9d. In the locked state, the locking member 32 is located inside the slit 9d, and it is difficult to apply a force in the direction of releasing the locked state to the locking member 32 . In addition, the lock member 32 has a structure that is not easily damaged.

As described above, in the container with lid 1 including the lid unit 3 of the present embodiment, the rotation range of the locking member 32 can be increased, and the usability can be further improved.

In addition, this invention is not necessarily limited to the content of the said embodiment, Various changes are possible in the range which does not deviate from the summary of this invention.

For example, the above-mentioned container 1 with a lid is not limited to a member having the above-mentioned external shape, and can be appropriately changed in accordance with its size, function, design, and the like.

In addition, the present invention is preferably applied to the container with lid 1 having the heat preservation/cold preservation function by the container body 2 having the above-mentioned vacuum heat insulation structure, but it is not necessarily limited to the container body 2 using the container body 2 having the above-mentioned vacuum heat insulation structure. part. That is, the present invention can be widely applied to a container with a lid in which the lid unit is detachably attached to the mouth and neck portion of the container body.

Claims (11)

1. A cover unit detachably attached to a container body having an open upper portion, comprising:

a lid body that closes an upper opening of the container body and has a liquid passage port at an upper portion thereof;

a lid body which is rotatably attached to the lid main body via a first hinge portion and opens and closes the liquid passage port in a state in which the lid body is biased in a direction in which the liquid passage port is opened by a biasing member provided in the first hinge portion; and

a cover locking mechanism for fixing the cover body at a position for closing the liquid passage opening against the urging force of the urging member,

the lid body has a top wall portion and a peripheral wall portion formed by descending from the periphery of the top wall portion,

the lid locking mechanism includes a locking member which is rotatably attached to the lid body via a second hinge portion and which is rotatable between a locking position at which one locking portion provided at one end side is locked to another locking portion provided at the lid body side and a lock release position at which the locking state of the one locking portion and the another locking portion is released,

the second hinge portion is provided inside a corner portion between the top wall portion and the peripheral wall portion on the opposite side to the first hinge portion.

2. The cover unit of claim 1,

the second hinge portion has:

a hinge bearing portion provided to the lock member; and

a hinge shaft installed in a state of penetrating the hinge bearing portion in a rotation axis direction,

a recess corresponding to the hinge bearing portion is provided inside a corner portion between the top wall portion and the peripheral wall portion.

3. The cover unit of claim 2,

a closing member attached to the inner side of the lid body and closing the liquid passage port,

the second hinge portion is fitted into a pair of bearing recesses provided inside a corner portion between the top wall portion and the peripheral wall portion at both end portions of the hinge shaft, and supports the lock member to be rotatable in a state where a pair of bearing contact portions provided to the latch member are in contact with both end portions of the hinge shaft.

4. The cover unit according to any one of claims 1 to 3,

the locking member is located inside a slit provided in the peripheral wall portion when the locking member is in the locking position, and protrudes outward from between the slits when the locking member is in the unlocking position.

5. The cover unit according to any one of claims 1 to 3,

the lid lock mechanism includes an operation button on an upper portion of the lid body, and after an operation of sliding the operation button in a direction toward the first hinge portion is performed, the operation button is operated in a direction of being pushed down, whereby a locked state of the lid body is released, and the lid body can be rotated in an opening direction by an urging force of the urging member.

6. The cover unit of claim 5,

the lid locking mechanism has:

a guide hole which is positioned at an upper portion of the cover body and guides the operation button in a direction in which the operation button is pressed;

an operation member that is disposed inside the guide hole and guides the operation button to be slidable between one end and the other end in a sliding direction;

a first spring member that biases the operation button toward the one end side in the sliding direction; and

a second spring member that biases the lock member toward the lock position in the rotational direction,

after the operation of sliding the operation button from the one end side to the other end side against the urging force of the first spring member is performed, the operation button is pressed toward the inside of the guide hole together with the operation member against the urging force of the second spring member, whereby the operation member presses the other end side of the lock member and rotates the lock member to the lock release position against the urging force of the second spring member.

7. The cover unit of claim 6,

the cover locking mechanism has a third spring member for urging the operating member in a direction to push the operating member.

8. The cover unit of claim 6,

the one end in the sliding direction of the operation button is located at a position where a part of the operation button overlaps with the upper surface of the cover, and the other end in the sliding direction of the operation button is located at a position where the operation button overlaps with the guide hole.

9. The cover unit according to any one of claims 1 to 3, wherein a sealing member that seals the liquid passage is provided to the lid body.

10. The cover unit according to any one of claims 1 to 3,

a port forming member for forming the liquid passage port,

the port forming member is detachably attached to the cover main body.

11. A container with a lid, comprising:

a cover unit as claimed in any one of claims 1 to 10; and

a container body to which the cover unit is mounted.

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