JP2534421Y2 - Cooking device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing mechanism applied to a lid of a cooker such as a rice cooker.

[0002]

2. Description of the Related Art As a conventional cooker of this type, for example, a cooker as shown in FIG. 6 is known. In the cooker,
A lid 2 is pivotally supported on the container body 1 so as to be openable and closable.
A lock mechanism as shown in FIG. 7 is provided between the free end side of the lid 2 and the container body 1. That is, on the back side of the lid 2, the latch 3 in which the opening 3 _a is bored are swingably supported at the jig 4, the latch 3, the jig 4 at spring 5 Is always elastically biased in the counterclockwise direction. The latch 3 is provided with the opening _3a.
When the open button 6 provided on the lid 2 is pressed downward, the spring 5 is swung clockwise against the elastic force of the spring 5.

[0003] A ring 7 is provided in the container body 1, and a pawl 7 _a provided at an end of the ring 7 is engaged with an opening 3 _{a of the} latch 3, whereby the lid 2 is engaged. Is kept closed. When the open button 6 is depressed, the latch 3 swings clockwise around the jig 4, and the engagement between the opening 3 _{a of the} latch 3 and the claw 7 _{a of the} ring 7 is released. You. Then, on the container body 1 side, the latch 3 is pushed upward by the latch stopper 9 constantly elastically urged upward by the spring 8, and the lid 2 is opened.

[0004] On the other hand, when closing the lid 2 by pushing the free end of the lid 2 downwardly, the tip of the latch 3 is slid down the upper slope of the nail 7 _a of the ring 7, then the latch 3 is swung in the counterclockwise direction, the pawl 7 _a of the aperture 3 _a and the ring 7 of the latch 3 are engaged.
As a result, the closed state of the lid 2 is maintained.
At this time, the latch stopper 9 is pushed down while contacting the tip of the latch 3.

[0005]

However, in a cooking device having the above-described conventional lock mechanism, dust or dirt enters the gap between the lid 2 and the open button 6 and is difficult to clean. Therefore, there is a problem that it is not preferable in food hygiene. Therefore, an object of the present invention is to provide a mechanism capable of opening the above-mentioned opening / closing lid by a very simple operation by eliminating the open button for unlocking the opening / closing lid from the opening / closing lid provided on the cooking device body. Is to provide a cooker.

[0006]

In order to achieve the above object, the main means adopted by the present invention is that the gist of the invention is that an opening / closing lid pivotally supported on the upper part of the cooking device main body and the opening / closing lid A projection provided on the free end side of the lid so as to protrude downward; and an engagement means provided in the cooking device body and capable of engaging with the projection by swinging. In a cooker in which the opening / closing lid is opened / closed with respect to the cooking device main body to swing the engagement means to engage or disengage the projection with the engagement means, the engagement means is raised and lowered. The plunger is supported swingably in accordance with the operation, moves up and down by being pushed by the protruding portion, and is always elastically urged upward. A supporting member for slidingly supporting the A lever having one end swingably engaged with the main body and a hook portion formed at the other end, the hook portion of the lever being fitted therein, and being vertically moved up and down integrally with the plunger; And a guide member for fixing the plunger to a locked position lowered to the support member and an opened position raised by engaging with the hook portion by pushing the plunger in a closing direction. A cooking device characterized by the following.

[0007]

In the cooking device according to the present invention, when the lid is pressed downward with the lid closed, the projection provided on the lid lowers and pushes the plunger. By this operation, the hook portion of the lever, which has been engaged with the guide member at the lock position, moves to the open position. This allows the plunger to rise. The engagement means swings in response to such a rising operation of the plunger, and the engagement with the projection is released, so that the opening / closing lid can be opened upward. When the lid is pushed downward from the opened state, the protrusion provided on the lid pushes the plunger downward. By this operation, the plunger which was at the release position is lowered, and the hook portion of the lever fixed at the release position moves to the lock position. This fixes the plunger in the locked position. The engagement means swings in response to such a downward movement of the plunger, and the engagement with the projection is released, so that the opening / closing lid can be opened upward.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention; It should be noted that the following embodiment is an example that embodies the present invention and does not limit the technical scope of the present invention.

FIG. 1 is a sectional side view of a main part of a cooker according to an embodiment of the present invention, FIG. 2 is a front sectional view of a lock / release mechanism applied to the cooker, and FIG. FIG. 4 is a front view showing a configuration of a guide groove formed on a side of a plunger constituting the lock / release mechanism, and FIG. 5 is a view for explaining the operation of the lock / release mechanism. (A) is a side sectional view showing a state at the time of locking (B) and a state at the time of release. In the cooker according to this embodiment,
As shown in FIG. 1, a lock / release mechanism 10 is provided between the free end side of a lid 2 pivotally supported on the container body 1 and the container body 1.

In the lock / release mechanism 10, as shown in FIGS. 1 to 4, a plunger 13 is slidably inserted in a vertical direction into a container 11 (an example of a supporting member) formed by combining cases 11a and 11b. Have been. The plunger 13 is always elastically urged upward by a spring 17. As shown in FIG. 5, the plunger 13 is provided with a latch 14 which is guided by the container 11 with the plunger 13 in the up and down direction and can swing in the left and right direction.
(An example of the engagement means) is engaged. The above latch 14
The upper end portion are integrally formed by molding folding claws 14 _a.

The claw _14a is a metal fitting 18 protruding downward from the lower surface on the free end side of the lid 2 (an example of a protruding portion).
A opening 18 _a and engageable, the lid 2 is locked by engaging the opening 18 _a, the opening 1
By being disengaged from the 8 _a, the lid 2 is ready open. In this case, the lower end of the metal fitting 18 is in contact with the upper end surface of the plunger 13 to move the plunger 13 downward. Lever 15 toward the interior of the container 11 from the side of the case 11 _b are inserted, the lever 15 is resiliently urged to constantly vessel 11 inner side by a spring 16. The tip (an example of a hook) of the lever 15 has a hook shape as shown in the figure.
The guide groove 19 (an example of a guide member) formed on the side of the plunger 13 is slidable relative to the guide groove 19 and swingable in the left-right direction in FIG. It is inserted in.

The guide groove 19 is, as shown in FIG.
Is formed in an endless shape in a substantially heart-shaped, it has four guide portions 19 _a ~ 19 _d. That is, for the sheet of FIG. 4, the guide portion 19 _b is engraved in deeper step than the guide portion 19 _a, the guide section 19 _c guide portion 19
It is engraved with a step deeper than _b . The guide portion 19 _c is formed on the inclined surface such as to rise to the surface side, the guide portion 19 _d is engraved at deeper level difference than the terminal side of the guide portion 19 _c. Further, the guide portion _19a
It is engraved in deeper step than the guide portion 19 _d.

Accordingly, when the plunger 13 moves in the vertical direction, the tip of the lever 15 moves relatively clockwise only in the guide groove 19 in the guide groove 19. Such a lever 15 and the guide groove 1
9, when the tip of the lever 15 is located at a position indicated by a broken line in the figure, the cover 2 in which the opening 18 _{a of the} metal fitting 18 and the claw 14 _{a of the} latch 14 are engaged.
Corresponds to the locked state. On the other hand, the guide when in the position in which the distal end portion of the lever 15 is shown in a relatively two-dot chain line relative to the groove 19, the opening of the pawl 14 _a and the opening 18 the lid 2 which engage with _a is released Corresponds to the state. The cooker according to the present embodiment is configured as described above.

Next, the operation of the lid 2 in the cooking device will be described. First, when the lid 2 is in the open state, when the lid 2 is to be closed, the lower end of the metal fitting 18 contacts the upper surface of the plunger 13. Then, by pushing the upper surface of the free end side of the lid 2, the plunger 13 is pressed.
Is moved downward against the elastic biasing force of the spring 17, and the latch 14 is swung toward the metal fitting 18 with this movement. Then, the pawl 14 _a of the latch 14 is fitted into the opening 18 _a of the bracket 18, the claw 14 _a and the opening 18 _a
Are engaged, the lid 2 is locked. In this case, the distal end of the lever 15, FIG. 4 moves relative to the guide section 19 _c, the 19 _d of the guide groove 19
At the position indicated by the broken line. In this state,
By engaging the lower end portion of the tip portion and the guide portion 19 _a of the lever 15, the locked state of the cover 2 is held.

From the locked state of the lid 2 as described above, the upper surface of the free end side of the lid 2 is pushed again to
The distal end of the lever 15 is relatively moved along the guide portion 19 _a of the guide groove 19, it reaches the upper end portion of the guide portion 19 _b. As a result, the locked state of the lid 2 is released. Then, the plunger 13 is lifted upward by the elastic biasing force of the spring 17, the distal end of the lever 15 at this time is moved relatively downwardly along the guide portion 19 _b. With the upward movement of the plunger 13, the lid 2 is also lifted upward via the metal fitting 18, and the latch 14 is swung in a direction away from the metal fitting 18. As a result, the claws 14 _{a of the} latch 14
Is engagement releasing the opening 18 _a of the bracket 18 and, the lid 2
In a state where it can be lifted and opened.

As described above, in the cooker according to the present embodiment, the open button for unlocking the lid, which is required in the conventional cooker, can be omitted, and the cooker has an extremely simple external shape. Can be. As a result, the cleanability of the cooking device is improved, which is extremely preferable in food hygiene. In the cooking device according to the present embodiment, as described above, the locked state of the lid 2 can be released and opened by simply pushing the upper surface of the free end side of the lid 2, thereby improving the operability. . In the above embodiment, the case where the technology according to the present invention is applied to a rice cooker has been described as an example. However, it goes without saying that the lock / release mechanism can be applied to other ovens and ranges. Absent.

[0017]

[Effect of the Invention] Since the cooking device according to the present invention is configured as described above, an open button for unlocking the opening / closing lid is eliminated from the opening / closing lid provided on the cooking device main body, and an extremely simple structure is achieved. can do. As a result, the cleanability is improved. Furthermore, in the cooking device according to the present invention, the locked state of the lid can be released only by pushing the upper surface on the free end side of the opening / closing lid, thereby improving the operability.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a main part of a cooking device according to an embodiment of the present invention.

FIG. 2 is a front sectional view of a lock / release mechanism applied to the cooking device.

FIG. 3 is a side view of the lock / release mechanism.

FIG. 4 is a front view showing a configuration of a guide groove formed in a side portion of a plunger constituting the lock / release mechanism.

FIGS. 5A and 5B are side sectional views for explaining the operation of the lock / release mechanism, in which FIG. 5A shows a locked state and FIG.

FIG. 6 is an external perspective view of a conventional cooking device.

FIG. 7 is a sectional side view of a main part of the conventional cooking device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Container main body 2 ... Lid (opening / closing lid) 10 ... Lock / release mechanism 11 ... Container (support member) 13 ... Plunger 14 ... Latch (engaging means) _14a ... Claw 15 ... Lever 16 ... Spring 17 ... Spring 18 ... bracket (protrusion) 18 _a ... opening 19 ... guide groove (guide member) 19 _a ~ 19 _d ... guide portion

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Takashi Tanaka 22-22 Nagaikecho, Abeno-ku, Osaka City Sharp Corporation (72) Inventor Emiko Fukuda 22-22 Nagaikecho, Abeno-ku Osaka City Sharp Corporation (56) References JP-A-3-45217 (JP, A)

Claims (1)

(57) [Scope of request for utility model registration] And 1. A cooker lid which can be opened and closed axially supported by the upper body, provided projecting downward on the free end side of the lid
Provided in the main body of the cooking device, and
An engagement means engageable with the projection;
The above-mentioned engaging means is rocked by the opening / closing operation to the cooker body.
To engage or disengage the projection with the engagement means.
The above-mentioned engaging means is swingably supported in accordance with the elevating operation thereof.
And is moved up and down by being pushed by the protruding part.
A plunger elastically biased toward the cooking device and the plunger fixed to the cooking device body,
A support member slidably supported on the cooking device, one end of the cooking device body is swingably engaged with the cooking device body, and a
A lever having a hook portion formed thereon, and the hook portion of the lever being fitted into the lever.
One that goes up and down together with the plunger and closes the open / close lid
In the direction of the hook to engage with the hook.
The plunger is lowered with respect to the support member.
Guide member that locks the lock position and the raised open position
A cooker comprising: