JP3151165B2 - Rice cooker lid - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice cooker lid.

[0002]

2. Description of the Related Art Generally, a lid of a conventional rice cooker is fixed to a lower surface of a lid member with a radiator plate large enough to cover an inner pot opening of a rice cooker body, and a heater is mounted on an upper surface of the radiator plate. At the same time, a basic structure is provided in which packing is attached to the outer peripheral edge of the heat radiating plate so as to be in close contact with the peripheral edge of the opening of the inner pot, and a hook for engaging a hook lever of the rice cooker main body is provided on the lid member.

[0003]

In the rice cooker as described above, in order to remove the dirt adhered to the inner surface of the lid, the packing conventionally mounted on the outer peripheral edge of the heat sink can be removed and cleaned. A rice cooker in which packing is prevented from being forgotten is conventionally known (Japanese Unexamined Patent Publication No. Hei 8-
140838, JP-A-7-27512).

[0004] However, the above-mentioned radiator plate needs to be cleaned because dirt adheres to the cooked rice. Conventionally, since the heater is mounted on the upper surface of the radiator plate, it is not possible to remove and clean the radiator plate. could not.

[0005] Therefore, an object of the present invention is to remove the above-mentioned heat sink and packing from the lid member so that they can be cleaned.

[0006]

In order to achieve the above object, the present invention provides an inner pot on a rice cooker main body side on a lower surface of a lid member.
A radiator plate large enough to cover the opening is provided.
A heater is attached between the
Packing on the outer periphery of the inner pot
Attach and engage the hook lever of the rice cooker body with the lid member
The lid of a rice cooker provided with a hook
The heater on the top of the heater cover fixed to the lid.
And place the heat sink under the heater cover.
And the engaging member provided on the heat sink is connected to the hook
And detachably engage the hook with the outside of the lid member.
Attach slidably so that it protrudes from the circumference
The elastic member is engaged to urge inward, and the engaging member is
Engage with the hook to oppose the biasing force of the elastic body
A configuration in which the tip of the hook is projected outside the lid member.
It was done .

[0007] According to the above configuration, since the heater is mounted on the heater cover, there is no problem in removing the radiator plate, and the radiator plate and the packing mounted on the radiator plate can be removed if necessary. Can be cleaned.

[0008] If the radiator plate and the packing attached to the radiator plate are forgotten to be attached after the cleaning is completed, the leading end of the hook remains immersed inward and does not engage with the hook lever of the rice cooker main body. For this reason, the lid is not securely closed, and the lid is opened by the spring force of the hinge spring, so that the user can be aware of forgetting to attach.

In the above configuration, the above-mentioned heat radiating plate may be provided with a steam guide tube penetrating in the up-down direction, and the tip of the steam tube may face below the steam hole of the lid member.

Further, the heat radiation plate may be formed in a circular shape, the engagement member may be formed in an annular shape concentric with the heat radiation plate, and the steam guide tube may be provided at a concentric position. In this case, since there is no directionality of mounting the heat sink, mounting becomes easy.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, the lid 1 of the first embodiment shown in FIGS. 1 to 7 can be opened and closed by a hinge pin 3 on a rice cooker main body 2, and a biasing force in a normally open direction is applied by a hinge spring 4. The tip 5 of the hook 5 of the lid 1 is engaged with the hook lever 6 of the rice cooker body 2 and is closed. An inner pot 7 is housed inside the rice cooker main body 2. When the hook lever 6 is operated, the engagement with the hook 5 is released, and the lid 1 is opened (see a two-dot chain line in FIG. 1).

FIG. 2 shows the details of the lid 1 described above. The lid member 8 constituting the lid 1 is composed of a lid upper surface member 9 and a lid ring 11 fitted and integrated on the lower surface member. A hinge portion 10 is provided at the rear end of the lid upper surface member 9, and a steam hole 54 is provided on the hinge portion 10, offset.

A heater cover 12 is mounted on the lower surface of the lid ring 11 at a predetermined interval, and a heater 13 is mounted on the upper surface of the heater cover 12.

A seal flange 14 is formed on the periphery of the heater cover 12 so as to be doubled by folding, and the seal flange 14 is pressed against the packing 16 mounted on the groove 15 on the lower surface of the lid ring 11 to apply the seal. I'm trying. A portion bent upward from the portion of the seal collar 14 is engaged with the lid ring 11.

A disk-shaped heat radiating plate 17 is arranged on the lower surface of the heater cover 12 in close proximity thereto. A rim 18 is formed on the periphery of the heat radiating plate 17 by folding, and is bent upward from the rim 18 to form an annular ridge 19. The bent lower end portion is brought closer to the brim 18 (FIG. 4).
(B)).

A hook-side engaging member 21 and a hinge-side engaging member 22 are attached to two symmetrical points of the ridge 19, that is, a position near the hook 5 and a position near the hinge pin 3, respectively.

The hook side engaging member 21 is
Is partially cut out, and as shown in FIG. 3 and FIG.

The hinge-side engaging member 22 is housed inside the protruding ridge 19, and an engaging protruding portion 24 provided on a part thereof protrudes outward from the protruding ridge 19 (FIGS. 2 and 4) . (A) ).

An inner peripheral edge 26 of a packing 25 is fitted to the flange edge 18 of the heat radiating plate 17, and the inner peripheral edge 26 is sandwiched between the collar edge 18 and the lower end of the ridge 19 (FIG. 4).
(B)). The packing 25 elastically adheres to the periphery of the opening of the inner pan 7 when the lid 1 is closed (see FIG. 1).

On the other hand, as shown in FIG. 5, a window hole 27 is formed in the peripheral wall of the lid ring 11, and a part of the hook support member 28 is fitted inside the window hole 27.

The hook support member 28 is shown in FIGS.
(B) As shown in FIG.
1, 31 '. The hook support member 28 is provided with a positioning circumferential groove 3 formed along the outer periphery of the lid ring 11.
2 (see FIGS. 3 and 5), the hook slide support 3
3 is fixed to the hook slide support portion 33 by a screw 34, and the concave portion 29 smoothly continues to the circumferential groove 32.

The side portion 3 fitted in the window hole 27
1, a hook hole 35 is formed, and a slide hole 36 is formed on the other side 31 'opposite to the hook hole 35.

The hook 5 has a front end 37 which is fitted into the hook hole 35 and protrudes and retracts, a rear end 38 which is fitted and guided in the slide hole 36, a front end 37 and a rear end. And an intermediate portion 39 formed between the hook portion 41 and the hook portion 41 (FIG. 6 ( a)
) Is formed. Also, a spring mounting part 4 is provided at the rear end.
2 are formed.

One end of the coil spring 43 inserted into the spring mounting portion 42 is received by a part of the lid ring 11 (see FIG. 2), and applies an inward biasing force to the hook 5.

As shown in FIG. 2, a steam hole case 44 is attached to the heat radiating plate 17 at a position offset toward the hinge 10 side. A steam guide cylinder 45 is provided in the steam hole case 44.
Are provided integrally upward. A plurality of small holes 46 are provided in the steam hole case 44, and the small holes 46 in the central portion thereof are
The small hole 46 in the outer peripheral portion is covered by a check valve 47 formed of a flexible material, and faces a pool 48 around the steam guide tube 45 inside the steam hole case 44. The upper end of the steam guide tube 45 faces the steam passage 49 of the lid upper surface member 9, and the lower end of the steam passage 49 and the steam guide tube 45.
The packing 51 is attached to the outer peripheral surface of. The outlet of the steam passage 49 is a steam hole 54.

The above-described steam hole case 44, steam guide cylinder 4
5. The steam hole set 50 is constituted by the check valve 47,
The heat sink set 52 is constituted by the steam hole set 50, the packing 25, the hook-side engaging member 21, and the hinge-side engaging member 22.

The lid 1 of the first embodiment is as described above. The projection 19 of the heat sink set 52 is fitted into the circumferential groove 32 (see FIG. 3) of the lid ring 11 and the hook-side engaging member is provided. 21 is engaged with the hook 5, and a hinge-side engaging member 22 is
Is engaged with the engaging projection 53 of the lid ring 11 (see FIGS. 2 and 3).

As shown in FIG. 1, the hinge 1 of the lid 1 assembled as described above is attached to the rice cooker main body 2 by the hinge pin 3 and urged in the opening direction by the hinge spring 4. When the lid 1 is closed, the hook 5 is engaged with the hook lever 6.

When the above-mentioned engagement is released by operating the hook lever 6, the lid 1 is opened by the spring force of the hinge spring 4. When removing the heat sink set 52, the user grips the tip of the hook 5 with the lid 1 opened and pulls the hook 5 outward against the spring force of the coil spring 43.

Then, the engagement between the hook-side engaging member 21 and the hook 5 is released (see FIG. 7), and at the same time, the engagement of the hinge-side engaging member 22 with the engaging convex portion 53 of the lid ring 11 is released. The heat sink set 52 comes off the lid 1. When the user releases his / her hand from the hook 5, the hook 5 is pushed inward by the spring force of the coil spring 43. Heat sink set 5
Even if the heater 2 is removed, the heater 13 is covered by the heater cover 12, so that there is no danger of the heater 13 coming into contact with water or the like.

After cleaning the radiator plate set 52, the radiator plate set 52 is mounted in the original state in the reverse procedure. At this time, even if the heat sink 17 is forgotten to be attached and the lid 1 is closed, since the hook 5 is pushed inward and does not engage with the hook lever 6, the lid 1 is opened by the spring force of the hinge spring 4. You. This allows
This allows the user to notice that the user has forgotten to attach the heat sink set 52.

Even if the user cooks rice while forgetting to attach the heat sink set 52, the heater 13
Is sealed by the heater cover 12, so that steam can be prevented from touching the heater 13.

Next, in the lid 1 according to the second embodiment shown in FIGS. 8A and 8B, a steam hole set 50 is provided at the center of the heat radiating plate 17, and the steam hole set 50 on the lid member 8 side is adjusted accordingly. The passage 49 and the packing 51 are also provided concentrically with the steam hole set 50.

A ridge 19 'having an inverted L-shaped cross section is formed on the flange edge 18 of the heat radiating plate 17 in place of the curved ridge 19, and an annular ring is formed on the outer periphery of the ridge 19'. Engaging member 5
5 are integrally attached, and the inner peripheral edge 26 of the packing 25 is sandwiched between the engaging member 55 and the brim edge 18. The engaging member 55 is formed with a U-shaped engaging groove 56 that is opened outward, and the engaging groove 56 is formed with an engaging protrusion 53 on the hook portion 41 of the hook 5 and the hinge portion 10 of the lid ring 11. Is removably engaged with. Other configurations are similar to those of the lid 1 of the first embodiment described above.
Is the same as

According to the second embodiment, since the heat sink set 52 has no directionality in the circumferential direction, the heat sink set 52 can be mounted in any direction in the circumferential direction.

[0036]

According to the present invention as described above, the heat sink and the packing attached to the heat sink can be removed from the lid without affecting the heater.
These cleaning can be carried out, and since when there is a mounting forgotten will remain retracted hook inward, Ru can be aware of the mounting forget the user.

Further, when an engaging member provided on the heat radiating plate to be engaged with the lid member is formed in an annular shape concentric with the heat radiating plate, and the steam guide tube is also provided at a concentric position, the peripheral surface of the heat radiating plate can be formed. Since the directionality is lost, there is an advantage that the mounting operation is facilitated.

[Brief description of the drawings]

FIG. 1 is a partially omitted cross-sectional view of a first embodiment.

FIG. 2 is an enlarged sectional view of the above.

FIG. 3 is an exploded perspective view of the same as viewed from the bottom side.

FIG. 4A is a partially cutaway perspective view of the heat sink set according to the first embodiment; FIG.

FIG. 5 is a partially exploded perspective view of the same.

FIG. 6A is a partially exploded perspective view of the same, and FIG.

FIG. 7 is a perspective view when the heat sink set is removed.

8A is a cross-sectional view of the second embodiment, and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lid 2 Rice cooker main body 3 Hinge pin 4 Hinge spring 5 Hook 6 Hook lever 7 Inner pot 8 Lid member 9 Lid upper surface member 10 Hinge part 11 Lid ring 12 Heater cover 13 Heater 14 Seal brim 15 Groove 16 Packing 17 Radiator plate 18 Collar 19 , 19 ′ ridge 21 hook side engaging member 22 hinge side engaging member 23 engaging concave portion 24 engaging convex portion 25 packing 26 inner peripheral edge 27 window hole 28 hook supporting member 29 concave portion 31, 31 ′ side portion 32 peripheral groove 33 Hook slide support part 34 Screw 35 Hook hole 36 Slide hole 37 Tip part 38 Rear end part 39 Intermediate part 41 Hook part 42 Spring mounting part 43 Coil spring 44 Steam hole case 45 Steam guide cylinder 46 Small hole 47 Check valve 48 Pool 49 Steam passage 50 Steam hole set 51 Packing 52 Heat sink set 53 engaging projection 54 steam hole 55 engaging member 56 engaging groove

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A47J 27/00, 36/06

Claims (3)

(57) [Claims] The lower surface of the 1. A lid member, the size of the heat sink to cover the inner bowl opening of the cooker main body side provided with attaching the heater between the radiator plate and the cover member, the heat radiating plate In the lid of the rice cooker, which is provided with a packing which is attached to the outer peripheral edge and closely adheres to the peripheral edge of the opening of the inner pot and the lid member is provided with a hook which engages with a hook lever of the rice cooker body, the heater is attached to the lid member Attached to the upper surface of the fixed heater cover, the heat sink is arranged on the lower surface of the heater cover, and the engaging member provided on the heat sink is detachably engaged with the hook, and the hook is attached to the lid member. Slidably mounted so as to protrude and retract from the outer periphery of the hook, engage the elastic body with the hook to urge inward, and engage the engaging member with the hook to oppose the urging force of the elastic body. The tip of the hook Cooker lid, characterized in that protrudes outward of the members. 2. The heat radiation plate according to claim 1, wherein a steam guide tube penetrating in a vertical direction is provided on the heat radiating plate, and a distal end of the steam tube faces below a steam hole of the lid member. Rice cooker lid. 3. The heat radiating plate is formed in a circular shape, the engaging member is formed in an annular shape concentric with the heat radiating plate, and the steam guide tube is provided at a concentric position. Item 3. A rice cooker lid according to item 2.