JP3380445B2 - Container lid structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric pot, a heat-retaining pot, and a lid structure of a container such as a rice cooker and a cooking pot.

[0002]

2. Description of the Related Art Conventionally, a lid of an electric appliance of this kind is rotatably attached to, for example, a container having an upper opening, and a closed state of the container is provided at an end opposite to the attaching position. A locking mechanism is provided for holding. Examples of the lock mechanism include a lever system in which one of the operation members attached rotatably is lifted to release the engagement between the lid and the container, and an operation member. Various structures have been provided, such as a push button system in which the locking of the locking portion between the lid and the container is released only by pushing.

[0003]

However, although the lid structure of the container has no problem in use, there is a risk that a child or the like may inadvertently touch the operation member. . For example, in the case of an electric pot having a lever-type lock mechanism, when a child tries to lift the electric pot by holding the operating member, not only the lid is opened, but also the container body collapses and the hot water in the container falls. There is a risk of spillage, and if the boiling water hits a child, it could cause burns. Therefore, an object of the present invention is to prevent a child or the like from operating the operating member of the lock mechanism even if the child carelessly touches it.

[0004]

In order to solve the above-mentioned problems, the lid structure of the first container of the present invention is releasably attached to an upper end opening of a container for containing hot contents, and In the lid structure of the container, which has a lock mechanism for holding the attached state of the container, and the upper end opening of the container is opened from the closed state by operating the operation member of the lock mechanism, the operation member is operated. Is provided with a cover for disabling, the operating member of the lock mechanism,
It is a lever system in which one is rotatably mounted in a recess provided in the upper part of the lid, and the cover is slidably mounted so as to close the remaining space not covered by the operation member in the recess. It is a thing.

Specifically, in the lid structure of the first container, it is preferable that one end of the cover engages with the operating member when the recess is closed.

Further, in the second container lid structure of the present invention, there is provided a lock mechanism which is releasably attached to the upper end opening of the container for containing the high temperature contents and holds the attached state with the container. In the container lid structure in which the upper end opening of the container is opened from the closed state by operating the operating member of the lock mechanism, a cover is provided for disabling the operation of the operating member. The operating member of the lock mechanism is a lever system in which one is rotatably attached to a recess provided in the upper portion of the lid, and the cover is
It is rotatably attached so as to close the remaining space not covered by the operating member in the recess.

According to the lid structure of the container, since the space of the recess for operating the operating member is covered with the cover, the operating member can be operated even if a child or the like touches the operating member carelessly. I can't. Therefore, the locked state of the lid and the container is released, the container falls, and the hot water remaining in the container flows out, so that it is possible to reliably eliminate the possibility of splashing on the child. Further, since the concave portion is a portion where dust or the like is likely to collect and is difficult to clean, the cover can improve cleanliness and improve careability.

Further, in the lid structure of the container, it is preferable that the cover is attached so as to be operated in a direction opposite to the operation direction of the operation member.

Further, it is preferable that the cover is flush with the upper plate of the lid when the operating member cannot be operated by the cover. By doing so, a product to which this lid is attached can be formed with a beautiful design with a sense of unity.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an electric pot 1 to which the container lid structure of the present invention is applied. This electric pot 1 is provided with a container 2 for containing hot water, which is a high-temperature content, and a lid body 3 which is releasably attached to an upper end opening of the container 2.

A shoulder body 5 is integrally attached to the upper portion of the container 2, and a hinge portion 6 for attaching the lid body 3 to the shoulder body 5 in a detachable and rotatable manner is provided. Further, a lock hole 7 into which a lock member 23 of a lock mechanism 17 of the lid 3 described later is engaged is provided on the inner peripheral surface of the opening portion on the side opposite to the hinge portion 6.

The lid 3 is, as shown in FIG.
0, a lower plate 11 combined with the upper plate 10 and having a hinge pin 6a attached to the hinge portion 6, an aluminum sheet 12 provided along the inner surface of the upper plate 10 and serving as a heat insulating plate, A heat insulating mat 13 provided between the aluminum sheet 12 and the lower plate 11, and an inner lid 14 attached to the lower plate 11 to close the upper end opening of the container 2.
And a packing 15 attached to the outer peripheral edge of the inner pot 14,
A steam flow path R from a steam inlet 14a formed in the inner lid 14 to a steam outlet 10b formed in the upper plate 10.
And a ball-shaped fall prevention valve 1 inserted in the steam flow path R
It consists of 6. Further, the lid 3 is provided with a lock mechanism 17 and a cover (so-called safety cover) 18 for disabling the operation member 22 of the lock mechanism 17.

The lock mechanism 17 generally has the upper plate 1
Through hole 20, case 21, and operating member 22
And a lock member 23.

The through hole 20 is provided near the end of the upper plate 10 on the side opposite to the hinge pin 6a.

The case 21 is attached to a lower portion of the through hole 20 and is a recess 25 for operating the operation member 22.
And has a length in the front-rear direction smaller than that of the through hole 20. Further, a frame portion 26 having a slide groove 26a of the cover 18, which will be described later, is provided on both sides of the case 21 so as to project. The case 21 is screwed and fixed to the lower plate 11 so that the rear end of the case 21 coincides with the rear side edge of the through hole 20 and the rear parts of the case 21 are positioned with a predetermined gap. The gap between the rear end of the case 21 and the rear edge of the through hole 20 serves as a slide hole 27 of the cover 18, which will be described later.

The operating member 22 is of a lever type which is rotatably attached to the upper plate 10, and has an operating portion 30 conforming to the shape of the front portion of the through hole 20, and a tip of the operating portion 30. An operating piece 31 protruding downward from the center of the portion and a shaft portion 32 protruding from both sides of the front portion of the operating portion 30, the shaft portion 32 being rotatably attached to the lower portion of the through hole 20. .

The lock member 23 is the operation member 22.
The operating portion 31 is engaged with the receiving portion 34, and the lock hole 7 of the shoulder body 5 is engaged with the lock claw 35 which is engaged with the lock hole 7 so as to be movable back and forth. The lock member 23 is located below the operating member 22 on the lower plate 11 and is housed in a housing 37 provided at a position facing the lock hole 7 of the shoulder body 5 in a forward direction via a spring 38. It is installed in a biased state. The housing portion 37 is provided with an insertion hole 37a through which the lock claw 35 is slidably inserted.

The cover 18 is shown in FIGS. 3 (A), (B),
As shown in (C), the remaining space S that is not covered by the operating member 22 in the recess 25 (FIG. 4B).
The upper plate portion 40 and the upper plate portion 4
It has a substantially H-shape with side plate portions 41 projecting downward from both sides of 0 and four projecting shafts 42 for sliding that are circular in cross section and project outward from the front and rear of these side plate portions 41.
The upper plate portion 40 is provided with a projecting portion 43 for upwardly projecting at the center of the tip end portion thereof, and a tilted plate portion 44 bent downward is provided at the rear end portion thereof. The cover 18 and the case 2 are operated so that the cover 18 is operated in the direction opposite to the operation direction of the operation member 22.
1 is slidably mounted between the upper plate 10 and the lower plate 11 and is biased upward by a biasing spring 45 mounted on the lower plate 11.
It is also flush with the operating member 22.

In the electric pot 1 having the lid 3, when water is added to the inside of the container 2, first, the protruding portion 43 is grasped with a finger in a closed state of the recess 25 shown in FIG. Press to slide. As a result, the cover 18 moves from the state shown in FIG.
4 abuts on the rear end edge of the through hole 20, and the urging spring 45
While advancing against the spring force of the upper plate 10, it enters the lower side of the upper plate 10 along the inclination of the inclined plate portion 44, and the state shown in FIG.

Then, as shown in FIG. 4 (C), when the protruding portion 43 of the cover 18 is slid until it is located at the rear end edge of the through hole 20, the operating member 2 in the recess 25 is slid.
The parts other than the part covered by 2 are open.

In the above state, the user inserts his / her finger into the recess 25, puts his / her finger on the lower surface of the operating member 22, and rotates the shaft 32 about the fulcrum, thereby operating the operating piece 31. By pressing the receiving portion 34 of the lock member 23 inward and moving the lock member 23 against the biasing force of the spring 38, the lock claw 35 of the lock member 23 and the lock hole 7 of the shoulder body 5 are separated from each other. You can unlock it. Then, by lifting the lid body 3, the upper end opening of the container 2 can be opened by rotating the lid body 3 with the hinge pin 6a of the shoulder body 5 as a fulcrum.

When the container 2 is closed after water is added to the inside of the container, the lid 3 is rotated in the opposite direction to the hinge pin 6a as a fulcrum so that the lid 3 opens at the upper end of the container 2. To cover. Then, by pressing the lid 3 downward, the entire lock member 23 is moved against the biasing force of the spring 38 together with the lock claw 35 protruding from the insertion hole 37a.

Next, with the upper end opening of the container 2 completely closed by the lid body 3, the lock claw 35 of the lock member 23 and the lock hole 7 of the shoulder body 5 are engaged with each other, and the lid body 3 is closed. The locked state of the container 2 is maintained.

Then, the protrusion 43 of the cover 18 is
The recess 25 is slid toward the front side, which is the closing direction. Thereby, contrary to the above, when the cover 18 moves to the space S of the recess 25 and the rear end of the upper plate 40 of the cover 18 passes the rear edge of the through hole 20, The cover 18 is lifted upward by the spring force of the biasing spring 45, and the upper plate portion 40 is flush with the upper plate 10 of the lid 3 and the operating portion 30 of the operating member 22.

In this state, since the space S of the recess 25 for operating the operating portion 30 of the operating member 22 is covered by the cover 18, even if a child or the like carelessly touches the operating member 22, Can not be operated. Therefore, the locked state of the lid body 3 and the container 2 is released, the container 2 is tilted, and the hot water remaining in the container 2 flows out, so that there is no possibility of getting on a child.
The closed state of the space S is not easily released because the cover 18 is biased upward by the biasing spring 45. However, this biasing spring 45
It does not necessarily have to be provided.

Further, in the lid 3 of this embodiment, the cover 18 closes the space S of the recess 25 so as to be flush with other members such as the operating member 22. The product can be formed with a beautiful design. Furthermore, since the recess 25 is located at the outermost position that comes into contact with the outside air, it has conventionally been a site where heat is dissipated during heat retention. However, in the lid 3 of the present embodiment, the cover 25 serves to remove the recess 25. Since it can be covered and shielded, the heat insulation efficiency can be improved by the formed air layer, and as a result, energy saving can be achieved. In the conventional electric pot, the concave portion 25 is a portion where dust and the like are easily collected and is difficult to clean, but in the present embodiment, the concave portion 25 is formed by the cover 18.
Since it is covered, it is possible to improve cleanliness and maintainability.

FIGS. 5A and 5B show an electric pot lid 3 to which the container lid structure of the second embodiment is applied. The lid 3 is provided with a stepped engagement portion 50 at the tip of the cover 18 and an engagement receiving portion 51 at the operation portion 30 of the operation member 22 to close the space S of the recess 25. Then, the closed state is maintained by engaging the engagement portion 50 and the engagement receiving portion 51. Further, in the present embodiment, the engaging portion 50 is provided with a convex portion that protrudes in a substantially hemispherical shape, and the engaging receiving portion 5 is provided.
1 is provided with concave portions, and these are adapted to be fitted in concave and convex.

In the electric pot provided with the lid body 3, FIG.
From the state shown in (A), as in the case of the lid body 3 of the first embodiment, by pressing the cover 18 so as to slide rearward, the engagement portion 50 of the cover 18 and the operation member 22 are engaged. The engagement with the receiving portion 51 is released, and the cover 18 is advanced to the lower side of the upper plate 10 so that the space S of the recess 25 is
Can be opened.

On the other hand, in this open state, the cover 18 is slid forward to close the space S of the recess 25 and engage with the engaging portion 50, as shown in FIG. 5 (A). By engaging with the receiving portion 51, the state in which the space S of the recess 25 is closed by the cover 18 can be reliably retained.

According to the structure of the lid body 3 of the second embodiment, the space S is closed by the cover 18, so that the engagement portion 50 of the cover 18 is engaged with the engagement receiving portion 51 of the operation member 22. Thus, the closed state of the space S can be surely maintained.

The lid 3 of the second embodiment is not provided with the biasing spring 45 shown in the first embodiment, but is provided with the biasing spring 45 as in the first embodiment. It goes without saying that you can do it.

FIGS. 6A and 6B show a lid 3 of an electric pot to which the container lid structure of the third embodiment is applied. The lid 3 differs from the lids 3 of the first and second embodiments in that the cover 55 is slidably attached, whereas the lid 55 is rotatably attached.

Specifically, the through hole 20 is formed in the upper plate 10.
A projecting piece 10a is provided at the center of the rear edge of the projecting piece 1.
0a bearing parts 54 with slits on both sides
Is provided. Further, at the rear end portion of the operation portion 30 of the operation member 22, an engagement receiving portion 51 similar to that of the second embodiment is provided.
Is provided. The case 21 is not provided with the frame portion 26 having the slide groove 26a described in each of the above embodiments.

The cover 55 has an upper plate portion 56 having a shape that substantially closes the space S of the recess 25, a projecting portion 57 for projecting from the center of the tip of the upper plate portion 56, and the upper plate portion. The notch 58 is provided at the center of the rear end of the notch 56, into which the projecting piece 10a is fitted, and the shaft portions 59, which are provided on both sides of the notch 58, are axially attached to the bearing portions 54. The rear end of the cover 55 has a concave shape due to the notch 58. Further, an engaging portion 60 that engages with the engaging receiving portion 51 and is similar to that of the second embodiment is provided at the tip portion of the upper plate portion 55. In addition, in the third embodiment,
The engagement receiving portion 51 and the engagement portion 60 may be provided so as to be located on both sides of the through hole 20.

The electric pot equipped with the lid 3 is shown in FIG.
From the closed state of the space S of the concave portion 25 shown in (A), the projection 57 of the cover 55 is gripped to fix the cover 55 to the shaft portion 59.
By rotating with the fulcrum as the fulcrum, as shown in FIG. 6B, the space S of the recess 25 can be opened.

On the other hand, in this open state, the cover 55 is rotated in the opposite direction with the shaft 59 as a fulcrum,
The space S of the concave portion 25 is closed, and the engagement portion 60 of the cover 55 is engaged with the engagement receiving portion 51 of the operation member 22 to maintain the closed state of the space S as shown in FIG. 6 (A). can do.

According to the structure of the lid 3 of the third embodiment, since the cover 55 is operated by the rotating method, the structure is simple as compared with the slide method described in each of the above embodiments. Further, it is possible to prohibit the operation of the operation member 22 as in the above embodiments.

FIGS. 7A and 7B show an electric pot lid 3 to which the container lid structure of the fourth embodiment is applied. This lid 3 is the same as the lid 3 of the lid 3 of the third embodiment.
While the space S of the concave portion 25 can be opened by rotating the shaft outward (upward), in the fourth embodiment, the space S is rotated inward (downward). This is different from the embodiment.

In the lid 3 of the fourth embodiment, the cover 5
In order to stop the upward movement of No. 5, as shown in FIG. 7 (C), the engagement receiving portions 63 are provided on both sides of the through hole 10 of the upper plate 10.
And engaging portions 62 are provided on both sides of the upper plate portion 56 of the cover 55. Further, the cover 55 is not provided with the protrusions 43 and 57 provided in each of the embodiments. Furthermore, in the fourth embodiment, as shown in FIG.
As shown in (A) and (B), the case 21 is provided with a mounting cylinder portion 65 for the spring 64, and the spring 64 urges the cover 55 upward.

In the electric pot provided with the lid 3 of the fourth embodiment, the upper plate portion 56 of the cover 55 is pressed downward from the closed state of the space S of the recess 25 shown in FIG. 7 (A), By rotating the shaft portion 59 as a fulcrum against the urging force of the spring 64, as shown in FIG.
The space S of the recess 25 can be opened.

Subsequently, the operator moves the finger pressing the cover 55 to the operation portion 30 side of the operation member 22 and lifts the operation portion 30 to lift the lid member as in the first embodiment. The opening operation of 3 can be performed.

On the other hand, when the operator moves the finger pressing the cover 55 to the operating portion 30 and opens the lid 3, the cover 55 released from the pressing causes the spring 64 to urge the spring 64. By the above, the space S side of the recess 25 is closed by the engagement receiving portion 63 and the engagement portion 62 engaging with each other.

When the operator operates the operation unit 30 to open the lid 3 from the container and removes his / her finger from the operation unit 30, the spring 3 urging the lock member 23.
By the biasing force of 8, the operating member 22 returns to the original position shown in FIG. 7 (A).

According to the structure of the lid body 3 of the fourth embodiment, as described above, the opening operation of the cover 55 and the opening operation of the lid body 3 by operating the operating member 22 are a series of operations. Therefore, it is possible to improve the open workability.

The lid structure of the container of the present invention is not limited to the above structure.

For example, in the above embodiment, the operating member 22
Although the operating portion 30 is rotated counterclockwise to unlock, the operating member 22 is rotatably attached to the rear side of the recess 25, and the operating portion 30 is rotated clockwise. The lock may be released, and even for the lock mechanism having such a configuration, the covers 18 and 5 are also provided in the same manner as described above.
5 can be attached.

Further, although the lid structure is applied to the electric pot in each of the above embodiments, it is needless to say that the lid structure can be applied to a similar heat retaining pot. Further, the invention can be applied to a rice cooker and a cooking pot, and can be applied to various products such as electric products which are releasably attached to a container.

[0048]

As is apparent from the above description, in the lid structure of the container of the present invention, the cover for disabling the operation of the operation member for opening the lid is provided. Even if the child inadvertently operates the operation member in a household with the like, the lid does not open to the container. Therefore, the product is
Even if it contains hot contents inside the container,
It is possible to reliably prevent a situation in which the container falls due to the recoil when the lid is opened and the child is burned by the hot water. Also, by making the cover flush with the operation member, etc., a beautiful design with a sense of unity,
A product can be formed to which this lid is attached. Further, the recess is a portion where dust or the like is likely to collect and is difficult to clean, but in the present invention, since the recess is covered by the cover, it is possible to improve cleanliness and maintainability.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an electric pot to which a container lid structure according to a first embodiment of the present invention is applied.

FIG. 2 is an exploded perspective view of the lid body of FIG.

3A and 3B are views showing a cover, FIG. 3A is a plan view, FIG. 3B is a front view, and FIG.

4A, 4B, and 4C are sectional views showing the opening operation of the cover of the first embodiment.

5A and 5B show a lid of an electric pot to which the container lid structure of the second embodiment is applied, wherein FIG. 5A is a sectional view showing a closed state, and FIG. 5B is a sectional view showing an open state.

6A and 6B show a lid of an electric pot to which the container lid structure of the third embodiment is applied, FIG. 6A being a sectional view showing a closed state, and FIG. 6B being a sectional view showing an open state.

7A and 7B show a lid of an electric pot to which the container lid structure of the fourth embodiment is applied, where FIG. 7A is a sectional view showing a closed state, FIG. 7B is a sectional view showing an open state, and FIG. FIG. 3A is a sectional view of a main part of FIG.

[Explanation of symbols]

1 ... Electric pot, 2 ... Container, 3 ... Lid body, 5 ... Shoulder body, 6 ...
Hinge part, 7 ... Lock hole, 10 ... Upper plate, 11 ... Lower plate, 1
2 ... Aluminum sheet, 13 ... Insulation mat, 14 ... Inner lid, 1
5 ... packing, 16 ... fall prevention valve, 17 ... locking mechanism,
18 ... Cover, 20 ... Through hole, 21 ... Case, 22 ... Operation member, 23 ... Lock member, 25 ... Recess, 45 ... Energizing spring, S ... Space.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Japanese Patent Laid-Open No. 7-23855 (JP, A) Jikkoku 1-333001 (JP, Y2) (58) Fields investigated (Int.Cl. ⁷ , DB name) A47J 27/21 101 A47J 27/00 103

Claims (5)

(57) [Claims] 1. A lock mechanism that is releasably attached to an upper end opening of a container that stores high-temperature contents and that holds a state of being attached to the container. The lock mechanism is operated by operating an operating member of the lock mechanism. In a container lid structure in which an upper end opening of the container is opened from a closed state, a cover for disabling the operation of the operation member is provided, and the operation member of the lock mechanism is an upper part of the lid. A lever system in which one is rotatably mounted in a recess provided in the cover, and the cover is slidably mounted so as to close the remaining space of the recess not covered by the operating member. The lid structure of the container. 2. The container lid structure according to claim 1, wherein one end of the cover is engaged with the operation member when the recess is closed. 3. A lock mechanism, which is releasably attached to an upper end opening of a container for containing high-temperature contents and holds an attachment state with the container, and is operated by operating an operating member of the lock mechanism. In a container lid structure in which an upper end opening of the container is opened from a closed state, a cover for disabling the operation of the operation member is provided, and the operation member of the lock mechanism is an upper part of the lid. Is a lever system in which one is rotatably attached to a recess provided in the cover, and the cover is rotatably attached so as to close the remaining space of the recess not covered by the operation member. And the lid structure of the container. 4. The lid structure for a container according to claim 1, wherein the cover is attached so as to be operated in a direction opposite to an operation direction of the operation member. . 5. The cover according to claim 1, wherein the cover is flush with the upper plate of the lid when the operating member cannot be operated by the cover. The lid structure of the container according to.