JP3624247B2 - rice cooker - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electric rice cooker used for general household or business use.
[0002]
[Prior art]
FIG. 4 is a sectional view showing a conventional rice cooker. The rice cooker main body 51 made of resin has a pot storage portion 53 for storing the pot 52, and the upper opening portion 54 of the pot storage portion is continuous from the upper end portion of the pot storage portion 53. The outer periphery of the opening upper surface portion 54 of the pot storage portion is supported by the outer peripheral side surface portion 55 that forms the main body side surface portion. The pan 52 is detachably stored in the pan storage portion 53 and has a flange portion 56 which is a pan flange on the outer periphery of the upper surface of the opening. And the heating coil 57 heats the pot 52 by an induction heating system, and performs rice cooking and heat insulation.
[0003]
Reference numeral 58 denotes a control board that controls the operation of the rice cooker. 59 is a bottom sensor that detects the temperature of the pan 52 for cooking and keeping warm, and sends a signal to the control board 58. Reference numeral 60 denotes a magnetic shield, which prevents electromagnetic waves generated from the heating coil 57 from leaking to the outer periphery of the main body 51 during rice cooking or heat retention, and causing other electronic devices to malfunction.
[0004]
Next, 61 is a cover that covers the upper part of the main body, and can rotate about the hinge shaft 62 to cover the main body 51 so as to be freely opened and closed. And the lid | cover 61 has the inner lid | cover 64 which has the steam hole 63 through which the vapor | steam in rice cooking passes.
[0005]
Further, the lid 61 has a cylindrical steam port 65 through which steam during cooking flows out, and the steam port 65 and the inner lid 64 are sealed by a steam port packing 66 so that the steam does not flow into the lid. Yes. The inner lid 63 has an inner lid packing 67 that comes into contact with the flange portion of the pot 52 on the outer periphery, and prevents steam during cooking from leaking outside the steam port 64 to the outside.
[0006]
[Problems to be solved by the invention]
However, in a rice cooker having a conventional configuration, the soup that is generated on the inner lid during rice cooking / warming drops when the lid is opened, or drops on the upper surface of the opening of the pan storage part, or the rice grains fall on the upper surface of the opening If it sticks and sticks, the area around the upper surface of the opening receives heat from the brim of the pot and is at a temperature (about 40 to 70 degrees) at which miscellaneous germs are easy to propagate. It was unsanitary due to soy sauce, mold growing, and sticky rice rotted and gave off a strange odor.
[0007]
In addition, rice cookers are often used around kitchens, and are exposed to oil smoke from cooking using oil, and oil smoke also adheres to the upper surface of the opening. Furthermore, the upper surface of the opening is often a resin that is easily charged, and dust is also likely to adhere. If you do not take care of wiping off both oil and dust, it is easy for bacteria to propagate and it is unsanitary, and you must wipe off the oil smoke with detergent, but the top of the opening is easy to touch food. Since it has to be wiped off so as not to remain, it took time and effort.
[0008]
In addition, since the upper surface of the opening is conventionally made of resin, the resin is yellowed or deteriorated due to soup and heat shrinkage during cooking and heat retention, and the strength of the resin deteriorates. There were also problems such as falling and the original cleanliness of the rice cooker was lost.
[0009]
The present invention solves the above-mentioned problems, and is intended to make the upper edge of the pan storage part hygienic and easy to care for. This also considers the recyclability at the time of disposal.
[0010]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention is a main body of an upper surface opening portion that detachably includes a pan, and a substantially annular opening upper surface has a rising annular ring facing the pan flange and a rear hinge that pivotally supports the lid A first cover that covers a major portion of the upper surface of the opening including an annular ring that covers the upper surface of the main body opening from above, and the hinge rising wall that is covered via the first cover mating portion. Constructed with a second cover that covers the main body opening so that it can be hygienic and easy to clean. In addition, the product has a sense of cleanliness and luxury, enhances its merchantability, and is easy to recycle when discarded. .
[0011]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 is a main body of an upper surface opening portion that detachably includes a pan, and a substantially flat portion opening upper surface has a rising annular ring facing the pan flange, and a rear hinge rising wall that pivotally supports the lid. A first cover that covers most of the upper surface of the opening including an annular ring that covers the upper surface of the main body opening from above , and a rising wall that is disposed at the root of the rear hinge of the first cover. the cooker configured to cover the second cover covering the rear hinge rising wall, since any dirt from the body opening upper surface can be wiped off easily with cloth or the like, it is possible to improve the hygienic bonito care properties. In addition, the product can have a clean and high-class feeling to enhance the merchantability and facilitate recycling when the product is discarded.
[0012]
In addition, by providing the second cover, there is an effect of suppressing floating or the like generated by the deformation of the first cover.
[0013]
According to a second aspect of the present invention, the mating portion of the first and second covers is configured above the outer peripheral surface of the upper surface of the main body opening, so that the soup that adheres to the lid during rice cooking / warming is the first And since it does not penetrate | invade into a main body from the fitting part of a 2nd cover, safety | security can be ensured.
[0014]
According to a third aspect of the present invention, the first cover has a flat front portion and a concave surface on the rear hinge side, so that the soup that is generated on the lid during rice cooking / warming has opened the lid. Sometimes, it can be dripped onto the top of the opening in the pan storage area, or the rice grains can drop and adhere to the top of the opening, and the sticking dirt can be wiped off with a cloth. I can do it. Moreover, since the soup which generate | occur | produced on the lid | cover during rice cooking and heat insulation can be collected and the range of dirt can be suppressed, care property can be improved.
[0015]
In the invention according to claim 4, the first cover is configured to be slightly overlaid from the outer peripheral portion of the main body and the outer peripheral portion of the lid, so that the main body of the upper surface opening portion, Depending on the rice cooking menu, the opposed rising ring may cause the peak temperature to be around 70 degrees due to the radiation of heat from the pan flange, but there is less chance of human fingers touching even during cooking By avoiding the possibility of burns, safety is ensured.
[0016]
【Example】
Embodiments of the present invention will be described below with reference to FIGS.
[0017]
FIG. 1 is a sectional view showing a rice cooker according to a first embodiment of the present invention. The rice cooker main body 1 has a bottomed cylindrical pot storage part 2, and the main body opening upper surface part 3 is continuous from the upper end of the pot storage part 2. The outer periphery of the main body opening upper surface portion 3 is supported by the outer peripheral side surface portion 4. The pan 5 is detachably attached to the main body from above, and is stored in the pan storage portion 2. When the outer peripheral flange portion 6 of the pan 5 is stored in the pan storage portion 2 of the main body 1, positioned.
[0018]
A lid 7 that covers the pan 5 is positioned above the upper surface 3 of the main body opening. Further, the upper surface portion 3 of the main body opening has a rising annular ring portion 8 facing the outer peripheral flange portion 6 of the pan 5 and a rear hinge rising wall 9 for pivotally supporting the lid 7. A first cover 10 is disposed on the upper surface portion 3 of the main body opening including the ring 8.
[0019]
A second cover 11 is disposed on the rear hinge rising wall.
[0020]
Next, the function of the rice cooker will be described. The pot 5 is heated by electromagnetic induction by the bottom coil 12 and can heat the pot 5 to perform rice cooking and heat insulation cooking.
[0021]
Reference numeral 13 denotes a control board that controls the heating operation of the rice cooker. Reference numeral 14 denotes a bottom sensor that detects the temperature in the pan 5 during rice cooking and heat insulation, and sends a signal to the control board 13.
[0022]
Further, the lid 7 is provided with an inner lid 16 having a steam hole 15 through which steam during cooking is cooked. Further, the lid 7 has a cylindrical steam port 17 through which steam during cooking flows out, and the steam port 17 and the inner lid 16 are provided with a steam port packing 18 so that the steam can be removed from the lid 7. Sealed so as not to flow into the interior.
[0023]
In addition, an inner lid packing 19 that is in contact with the outer peripheral flange portion 6 of the pan 5 is disposed on the outer peripheral portion of the inner lid 16, and steam generated during rice cooking and heat insulation leaks outside the steam port 17 to the outside. It prevents it from coming out.
[0024]
Steam generated during rice cooking and heat insulation adheres to the inner lid 16 and is cooled to become soup. In order to reduce the adhesion of soup, the inner lid 16 is heated by electromagnetic induction with the lid coil 20 disposed in the lid. Excessive heating causes the rice surface to dry or yellow. Therefore, electromagnetic induction heating by the lid coil 20 has a limit, and some soup remains on the inner lid 16.
[0025]
Further, since the inner lid packing 19 is not further heated than the inner lid 16, the soup is easily attached. When the lid 7 is opened in such a state, the soup adhered to the inner lid 16 and the inner lid packing 19 drops downward, and eventually drops on the upper surface portion 3 of the main body opening of the main body 1 to cause dirt. .
[0026]
In addition, rice grains fall on and adhere to the upper surface portion 3 of the main body opening, and the rice cooker is often installed around the kitchen and is also exposed to oil smoke generated by cooking with oil. Oil smoke may adhere.
[0027]
Moreover, the annular ring part 8 of the main body opening upper surface part 3 receives radiant heat from the outer peripheral flange part 6 of the pan 5, becomes 60 to 70 ° C. during cooking, and 50 to 60 ° C. during heat retention, so that miscellaneous bacteria can easily propagate. Become temperature. Therefore, the soy sauce, rice grains or oily smoke and the seasoning adhering to the upper surface portion 3 of the main body opening are warmed, so that various germs are easily propagated, and a mold, musty odor, rot odor and the like are generated.
[0028]
However, in the rice cooker of the present invention, a first metal cover is disposed on the main body opening upper surface portion 3 including the annular ring 8, and a second metal is disposed on the rear hinge rising wall 9. Covered with a plastic cover.
[0029]
Therefore, the soy sauce, rice grains or oily smoke dripped from the inner lid 16 and the inner lid packing 19 adheres to the second cover and accumulates in the first cover.
[0030]
Here, since the first and second covers are made of metal, they are difficult to stick and can be easily wiped off with a cloth or the like, so that the main body opening upper surface portion 3 can be kept clean.
[0031]
Moreover, in the metal 1st and 2nd cover, the glossiness which a metal has can make a rice cooker feel a sense of cleanliness and a high-class feeling, and can raise the product power of a rice cooker.
[0032]
Here, the thin stainless steel plate and the thin aluminum plate are easy to process and hardly corrode such as rust, and therefore can be said to be suitable for the materials of the first cover 10 and the second cover 11.
[0033]
In addition, since the second cover 11 is covered and fixed at a portion above the first cover 10, the first cover 10 is affected by the residual stress due to the press working of the first cover 10. Even if the cover is lifted or the like, the second cover is restrained so that the problem of floating does not occur. FIG. 2 shows that the first cover 10 and the second cover 11 are attached to the main body. It is one Example of the fixing method to the opening upper surface part 3. FIG. Reference numeral 30 denotes a claw bent portion disposed on the outer peripheral portion of the first cover, and 3 denotes an upper surface portion of the main body opening.
[0034]
Next, the same number of insertion holes 31 as the claw bent portions 30 provided in the first cover 11 are provided in the outer peripheral portion of the upper surface portion 3 of the main body opening.
[0035]
Here, after inserting the claw bent portion 30 into the insertion hole 31 from above, the claw bent portion 30 can be bent using a jig or the like, and the main body opening upper surface portion 3 can be completely fixed. By adopting such a configuration, if the pawl bent portion 30 is folded back, it can be easily removed from the upper surface portion 3 of the main body opening, so that the recyclability is excellent. Further, it can be said that the claw is bent toward the inner side of the product in consideration of the heat shrinkage of the upper surface portion 3 of the main body opening.
[0036]
In FIG. 2, in the configuration of the outer peripheral portion of the main body opening upper surface portion 3, 32 is an end surface portion of the main body opening upper surface portion 3. Folding process is applied so as not to kill. By adopting such a configuration, there is no occurrence of injury to consumers, and the configuration emphasizes safety.
[0037]
Reference numeral 7 denotes a lid which is disposed above the upper surface portion 3 of the main body opening and can be freely opened and closed. Here, the outer peripheral end portion 32 of the main body opening upper surface portion 3 is configured to be recessed by 1 to 2 mm from the lid 7 and the main body opening upper surface portion 3. By having such a configuration, even if a person's finger 33 tries to touch the outer peripheral end portion 32 of the main body opening upper surface portion 3 during rice cooking, even if it is difficult to touch, Because it is a point contact, there is no risk of burns, and it can be said that the configuration emphasizes safety.
[0038]
FIG. 3 shows an embodiment of a method for fixing the second cover to the rear hinge rising wall 9. Reference numeral 34 denotes a fixing pawl disposed on the second cover, and reference numeral 35 denotes a space for ensuring the bending of the pawl. Here, the second cover 11 is set on the rear hinge rising wall 9 from above and is covered with the first cover. After setting, the fixing claw 34 of the second cover is bent using a jig or the like, and the fixing claw 34 is hooked in the space 35 to fix the second cover. By adopting such a configuration, even if the first cover is lifted due to the influence of residual stress or the like due to the press working of the first cover 10, the vertical movement of the second cover is eliminated. Since it is suppressed by the second cover, there is an effect that problems such as floating do not occur.
[0039]
In FIG. 4, 41 is the soup generated during rice cooking and heat insulation as described above, but when the lid 7 is opened, the upper portion of the upper surface portion 3 of the main body opening is connected to a path like 42. It adheres to the first cover 10 and the second cover 11.
[0040]
Here, the mating portion 43 of the first cover 10 and the second cover 11 is disposed above the flat portion 44 in front of the first cover 10, so that the dripping soup is above the flat portion 44. Therefore, there is no fear that water will enter the main body from the mating portion 43, and safety can be ensured.
[0041]
Moreover, the soup storage part 45 can be arrange | positioned in the base of the back hinge standing wall 9 of the 1st cover 10, and the soup 41 generated by rice cooking and heat insulation can be stored.
[0042]
By adopting such a configuration, the range of dirt due to soup is limited to the range of the soup reservoir 45, and since the range of dirt does not widen, cleaning can be easily performed, so that care is also improved. .
[0043]
In such a configuration, the effect as described above can be obtained even if the mating portion 43 of the first cover 10 and the second cover 11 is eliminated and the integrated configuration is obtained. Recyclability can be improved with improved assembly.
[0044]
Although the embodiment of the present invention has described the structure of a rice cooker for electromagnetic induction heating using a coil as the heating method, the heating method can be configured by a heater type rice cooker, and the configuration of the present invention can be configured by any heating system rice cooker. Can be taken.
[0045]
【The invention's effect】
As described above, according to the first aspect of the present invention, the dirt adhering to the upper surface of the main body opening can be easily wiped off with a cloth, etc., so that hygiene and care can be improved and product disposal can be achieved. It can make it easier to recycle. In addition, the provision of the second cover also has an effect of suppressing floating and the like generated by the deformation of the first cover.
[0046]
According to the invention of claim 2, the soup that has adhered to the lid during rice cooking and heat insulation does not enter the main body from the mating part of the first and second covers. Can be secured.
[0047]
In addition, according to the invention of claim 3, when the lid is opened, the soup that is generated on the lid during rice cooking / warming is dropped on the upper surface of the opening in the pot storage portion, or the rice grains fall on the upper surface of the opening. The dirt that adheres and adheres can be wiped off with a wipe, etc., so that the care can be improved. Moreover, since the soup which generate | occur | produced in the lid | cover during rice cooking and heat insulation can be accumulated and the range of dirt can be suppressed, care property can be improved.
[0048]
Further, according to the invention of claim 4, the rising ring that faces the pan flange is formed on the upper surface of the upper opening portion, and the heat radiation from the pan flange depending on the rice cooking menu. As a result, the peak temperature may be around 70 degrees, but even during cooking, the chance of direct human touch is reduced, avoiding the possibility of burns and ensuring safety.
[Brief description of the drawings]
FIG. 1 is a sectional view of a rice cooker according to an embodiment of the present invention. FIG. 2 is a partial sectional view showing an embodiment of the fixing method. FIG. 3 is a partial sectional view showing an embodiment of the fixing method. [Fig. 4] Partial cross-sectional view of rice cooker [Fig. 5] Cross-sectional view of conventional rice cooker [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 2 Pan storage part 3 Main body opening upper surface part 4 Outer peripheral side surface part 5 Pan 6 Outer peripheral flange part 7 Lid 8 Annular ring part 9 Back hinge rising wall 10 First cover 11 Second cover 12 Bottom coil 13 Control board 14 Bottom Sensor 15 Vapor hole 16 Inner lid 17 Vapor port 18 Vapor port packing 19 Inner lid packing 20 Lid coil 30 Claw folding part 31 Insertion hole 32 Outer peripheral edge 33 Human finger 34 Fixing claw 35 Space 41 Soup 42 Path 43 Matching part 44 flat portion 45 soup reservoir portion 51 rice cooker body 52 pan 53 pan storage portion 54 opening upper portion 55 outer peripheral side surface portion 56 flange portion 57 heating coil 58 control board 59 bottom sensor 60 magnetic shield plate 61 lid 62 hinge shaft 63 steam hole 64 inner lid 65 Steam port 66 Steam port packing 67 Inner lid packing

Claims (4)

A main body of an upper surface opening portion that detachably includes a pan, and a substantially flat portion opening upper surface has a rising annular ring facing the pot flange and a rear hinge rising wall that pivotally supports a lid, and the upper surface of the main body opening A first cover that covers most of the upper surface of the opening including the annular ring that is covered from above, and a rising wall that is disposed at the base of the rear hinge of the first cover. A rice cooker made up of two covers. The rice cooker according to claim 1, wherein the mating portion of the first and second covers is configured above the outer peripheral surface of the upper surface of the main body opening. The rice cooker according to claim 1 or 2, wherein the first cover has a flat front portion and a concave surface on the rear hinge side. The first cover is a rice cooker according to any one of claims 1 to 3, wherein the first cover is configured somewhat overlying the outer periphery of the main body and the outer periphery of the lid.

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