JP3473551B2 - Steam discharge mechanism of electric rice cooker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] TECHNICAL FIELD The present invention relates to a steam generator for an electric rice cooker.
Regarding the air discharge mechanism. [0002] 2. Description of the Related Art Conventionally, a steam discharger for an electric rice cooker of this kind.
In the structure, mainly in the rice cooker body when cooking rice
A steam discharge passage for discharging generated steam is formed.
Steam from the rice cooker body
It was to be discharged from the exit passage. [0003] The steam discharge in the electric rice cooker of this conventional structure.
As the exit structure of the exit passage, as shown in FIG.
2. Steam cap 20 for discharging steam to the outside
Removably attached, on this steam cap 20
A configuration in which a steam outlet 27 is formed on a surface is known. [0004] SUMMARY OF THE INVENTION
In the configuration, the upper surface of the steam cap 20 is formed.
Steam outlet 27 is opened upward to the outer peripheral side.
Therefore, steam containing oneva generated during cooking rice is steamed.
Containing this oneva when exhausted from the air outlet 27
Since the steam is discharged upward on the outer peripheral side, the lid 2
Splashes around the four sides of the upper surface and is contained in it along with this vapor
Oneva also has an outer peripheral side inclined downward from the steam outlet 27.
Flow from the top of the steam cap along the slope 20a
The upper surface of the lid 2 and a steam key formed on the upper surface
The fitting recess 2a of the cap 20 is stained with Oneva.
The wiping operation takes time, and this one
If you leave the dirt from the bath as it is,
Was not good. [0005] Particularly, in a configuration in which cooking is performed at a stretch with high power.
Cooked rice, or when the amount of water is larger than the amount of cooked rice
In addition, the scattering of steam containing Oneva increases,
Was more likely to occur. [0006] The present invention has been made in view of the above problems.
This onet is also caused by the generation of steam containing oneva.
Bubble flows out from the outer periphery of the steam cap in all directions
To prevent dirt on the top surface of the lid,
The purpose is to provide sanitary items. [0007] Means for Solving the Problems To achieve the above object,
First, the steam discharge of the electric rice cooker according to the present invention of claim 1
In the mechanism,First,A rice cooker body containing an inner pot inside,
The lid that covers the opening of the rice cooker so that it can be opened and closed freely, and the inner pot
Steam discharge mechanism of electric rice cooker provided with heating means for heating
, A steam discharger for discharging steam to the outside
The steam cap is removably attached to this steam cap.
A steam outlet is formed on the peripheral side of the top of the
Open the exit towards the centerLet meI have. In such a configuration, the steam cap
On the upper surface, a steam outlet is formed on the peripheral side to
With a simple configuration that opens the mouth toward the center,
Oneva containing steam is also included in this steam.
Oneva also leaked toward the center of the steam cap
To flow from the outer periphery of the steam cap in all directions.
This can prevent the dirt on the top surface of the lid by this Oneva
Is easy to clean and hygienic.
You. [0009]In addition to the above,The steam cap
The upper cover on which the steam outlet is formed and the upper cover
And a lower cover that forms a steam discharge passage between the
Removably attach the upper cover to this lower coverKakeI have. In such a configuration, the steam cap
Since the upper cover is detachably attached to the lower cover,
This steam cap is separated by the lower cover and the upper cover.
And the steam passage formed between them is opened,
The steam passage can be cleaned, and the lid
It is easy to clean the steam cap as well as the top.
Be hygienic. [0011]In addition to the above,The steam cap
Form a steam pipe on the bottom cover of the pump to form a steam communication passage
And this steam pipe has a steam intake at the top
Forming and forming oneva pool at bottomdo itI have. In such a configuration, the steam cap
The steam pipe formed on the lower cover is
And a bottom for the oneva pool.
Then, the oneva stored in the oneva pool at the bottom is
Steam from the steam inlet formed above the Neva puddle
Will be prevented from being blown away by air.
To reduce the scattering of many Oneva from the steam outlet.
Can beYou. [0013]In addition to the above,In the inner lid of the inner pot,
A cylindrical lid knob is provided on the upper surface, and this lid knob,PreviousRecord
The steam pipe of the steam cap is insertedReThe lid
Form a steam introduction passage between the knob and the steam pipe
The steam from the steam introduction passage is
That it can be taken in from the steam intake
Features. In such a configuration, the lid knob and the steam
A steam introduction passage was formed between the pipe and the
No need for a member to form the air introduction passage
The existing member, the steam pipe, into the lid knob
It can be formed by putting in, simplifying the number of parts
It can also be used for steam pipe and lid knob
By adjusting the insertion interval with
The degree of pressure regulation can be adjusted easily,
The steam from the air introduction passage is used to remove the steam from the steam pipe.
Can be taken in from the entrance, the shape of the steam introduction passage
It is easy to makeYou. [0015] Further objects and features of the present invention are possible.
To the extent possible, alone or in various combinations
Can be used in combination. [0016] BEST MODE FOR CARRYING OUT THE INVENTION
FIGS. 1 to 1 together with the preferred embodiment.
0 to facilitate understanding of the present invention. However, the present invention is limited to the following embodiments.
However, unless otherwise specified, the scope of the present invention
Is not intended to limit
This is just an example. (Embodiment 1) This embodimentOneElectric rice cooker, as shown in FIG.
A rice cooker body 1 for storing an inner pot 3 for cooking rice in the
A lid 2 for opening and closing the upper opening of the rice cooker body 1
It has. The rice cooker body 1 serves as an outer wall made of synthetic resin.
Bottom wall made of synthetic resin like outer case 5 forming body part
Body 8 forming a bottom portion to be formed, and synthetic resin forming an inner peripheral wall
Inner container 6 and the upper end of the inner container 6 and the outer case 5
A shoulder member 7 made of synthetic resin is used to join the ends.
Has been established. And outer case 5, inner container 6, and shoulder
The space 4 surrounded by the material 7 is formed.
The inner pan 3 is stored so as to be able to be taken out. At the center of the bottom of the inner container 6, the inner pan
Center acting as temperature detecting means for detecting the temperature of 3
A sensor hole 9a for receiving the sensor 9 is formed.
ing. Cook rice so as to surround the sensor hole 9a.
Ring that acts as a heating means at the time of
Electromagnetic induction coil (hereinafter referred to as rice cooker coil) 10
Extends from the bottom surface of the inner container 6 to the side peripheral surface.
It is arranged corresponding to the curved portion between them. This rice cooker
The coil 10 generates an alternating magnetic field.
An induced current in the inner pot 3 due to electromagnetic induction of an alternating magnetic field
Generates eddy current and heats using the resistance heat of this eddy current
It is supposed to. In addition, the inner pot 3 is a work for cooking rice.
Material that can generate eddy current by coil 10
(For example, a magnetic material). The rice cooker coil 10 is
Die 11 fixed to the bottom surface of the container and the inner container
6 and the rice cooker coil 1
Magnetism due to zero affects the underlying equipment
A ferrite core (not shown) is provided to block
Have been killed. On the other hand, the lid 2 is made of a synthetic resin forming the outer surface.
Upper plate 16 made of synthetic resin and lower plate 17 made of synthetic resin constituting the inner surface
Between the upper and lower plates 16 and 17.
8 is provided with a heat insulating material 19. The lid 2 is formed on one side of the shoulder member 7.
Rotation with respect to the rice cooker main body 1 via the hinge mechanism 15
And it is attached detachably. This hinge mechanism 15 is provided after the rice cooker main body 1.
A bearing body 60 provided on the shoulder 7 of the part,
The lid 2 is pivotally connected via the pin 62 so as to be freely rotatable.
It is constituted by a connecting arm 80 to be connected. The lid 2 is connected to the connecting arm 80 and the hinge pin.
Hinge mechanism 15 having a shaft 62 and a bearing body 60, etc.
Is rotatably connected to the rice cooker body 1 through the
It can be removed from the connecting arm 80 of the mechanism 15
So that they are connected. This hinge pin 62 has elasticity
A torsion spring 40 as a member is attached.
One end of the screw 40 is inserted into the connecting arm 80,
Are fixed in the bearing body 60. And this twist
Rotated around hinge pin 62 by the urging force of spring 40
The lid 2 connected to the connecting arm 80 is moved in the opening direction.
Rotate in isolation. On the other hand, the operation provided on the shoulder 7 of the rice cooker main body 1
A lock operation lever 48 is provided above the panel 50.
The locking operation is performed on the locking portion 42 formed at the front end of the lid 2.
The locking claw 43 of the operation lever 48 is locked to maintain the locked state.
So that it can withstand the spring of the lock operation lever 48.
Release the lock by the pivoting movement by the pressing operation and connect
The lid 2 connected to the arm 80 is attached to the torsion spring 40.
Let go with the power. In addition, it is generated at the center of the lid 2 during rice cooking.
Steam discharge passage for discharging the flowing steam to the outside28To
Steam cap 20 is detachably attached
ing. At the lower end of the steam cap 20, a lid 2
Good heat for closing the opening 3a of the inner pot 3 when the tub is closed
An inner lid 12 made of a body (for example, aluminum alloy) is attached.
And a seal packing 45 provided on the peripheral edge of the inner lid 12.
To seal the opening 3a of the inner pan 3
You. The shoulder member 7 is provided with a shoulder heater 31.
When the lid 2 is closed, the inner lid 12
The outer peripheral edge of the inner lid is pressed12Is this shoulder heater 31
They are heated by heat conduction. The shoulder heater 31 has an inner lid12Heat
Heating means 3 acting as a heating means and having an inverted U-shaped cross section
1a, a heating element disposed in the heater ring 31a
31b. [0031] With this configuration, the shoulder is kept warm during the heat insulation.
Heat conducted from the heater 31 and radiated from the inner lid 12
Is radiated to the surface of the rice in the inner pan 3, and at the same time,
The temperature of the dew on the pan 12 is due to the heat conduction from the shoulder heater 31.
It is prevented by rising. In this embodiment, the heating means
Is heated by the IH method.
It is not limited to the hot plate method, high frequency method, etc.
May be heated. Also, instead of the shoulder heater 31, a lid body
2 is provided with a heating means, and the inside of the inner pot 3 is
It may be configured to heat. [0033] Lateral portions in the rice cooker main body 1 (for example,
A code reel is provided in the space 4 in the hinge mechanism 15).
41 are arranged in a state of standing in the vertical direction. this
Then, the space 4 (particularly, the large
Effective use of the hinge mechanism 15 side space where extra space is available)
And the vertical dimension of the rice cooker body 1
There is no need to increase the law. On the other hand, the side opposite to the hinge of the rice cooker main body 1 (ie,
A lock mechanism 48 for locking the lid 2 is provided.
Side)CookingOuter case 5 and inner container 6 of riceware main body 1
And the bottom body 8 have a space 4 for cooking rice and
Through the work coil 10 for heat retention and the shoulder heater 31
Control board 49 in which a control unit for controlling power is incorporated
Are arranged. The space 4 has a space for cooking rice and for storing rice.
A power supply for controlling the energization of the heating work coil 10
Transistor and rectifier diode bridge (not shown)
Cooling fan (not shown) for sending cooling air to
And the bottom body 8 of the rice cooker body 1 is opposed to the blower fan.
Thus, an air inlet 15 is formed. Then, on the opposite side of the hinge (that is, the lid 2 is
On the side where the locking mechanism 48 for locking is provided)
Various switches (for example, a rice cooker switch)
Switch, reservation switch, heat insulation switch, etc.) and liquid crystal display
An operation panel unit 50 having a
Have been. The operation panel section 50 has a rice cooker switch.
H, reservation switch, normal heat insulation and low temperature insulation (hereinafter, glossy
Or heat insulation).
Heat selection switch, cancel switch, whether to perform heat control
Off switch that acts as a setting means
Switch, menu switch, hour switch for time adjustment, hour
A minute switch for engraving and a liquid crystal display 59 are provided.
Have been. In such a configuration, the lid 2 is steamed.
Removably attached steam to discharge air to the outside
The steam cap 20 discharges steam to the peripheral side portion 22b on the upper surface.
The steam outlet 27 is formed in the central portion 22a.
It is open toward. The steam outlet 27 is directed toward the central portion 22a.
With a simple structure that only allows
Oneva contained in this steam is also steam
Out toward the central portion 22a of the
Flow out from the outer side 22b of the arm cap
And the contamination of the upper surface of the lid 2 by this oneva can be prevented.
To make cleaning easy and sanitary as much as possible.
Can be The center of the upper surface of the steam cap 20
The portion 22a has a dome shape with an upward slope from the steam discharge port 27.
Is formed. The formation of the swelling portion 35 enables the
One that has flowed out toward the central portion 22a of the
The bar again travels on the inclined surface from above the bulging portion 35
This oneva is steamed because it is returned to the steam outlet 27.
Flows out from the outer peripheral side 22b of the rubber cap 20 in all directions.
Is further prevented. Note that, as shown in FIG.
Steam outlet 27 in the central portion 22a of the upper surface of the cap 20
A concave portion 35a is formed at a more inner position, and the central portion 22a is formed.
Steam discharged from the steam outlet 27 opened toward
Configuration for storing Oneva contained in air in this recess 35a
It may be. The steam cap 20 is provided with the steam
An upper cover 22 in which a discharge port 27 is formed;
And a lower cover 23 forming a steam discharge passage 28 with the lower cover 23.
Helicopter with upper cover 22 on lower cover 23
It is detachably attached by id coupling. The lower cover 23 of the steam cap 20
The upper cover 22 is detachably attached to the
Team cap 20 on lower cover 23 and upper cover 22
The steam passage formed between them is separated and opened.
To be able to clean this steam passage,
With the care of the upper surface of the lid 2, the steam cap 20 is
Easy to clean and hygienic. Then, the steam cap 20 is
A steam pipe 25 forming a steam communication passage 29 in the cover 23
To form a steam pipe 25 at the upper part 25a.
The steam inlet 26 is formed and the bottom 25b is
A pool 37 is formed. The bottom 25b of the steam pipe 25
Oneva that has accumulated in the Neva pool 37 is
The steam inlet 26 formed in the upper part 25a above the 37
They are prevented from being blown away by the steam.
To reduce the scattering of many Oneva from the steam outlet 27.
I try to control. The steam pipe 25 has a bottom 25b.
A neva return port 30 is formed, and the oneva return port 30 is opened.
Oneva return valve 90, which is opened by its own weight,
Provided. The oneva return valve 90 is made of silicone rubber or the like.
It is made of heat-resistant elastic material and is formed by a disk-shaped flat plate.
The rod-shaped protrusion 90a formed on the upper surface is
Mounting hole 2 formed at the center of bottom 25b of
5c is elastically forcibly fitted, and in this fitted state,
Oneva return port 30 is closed by elasticity. The oneva return valve 90 is connected to the oneva reservoir 3
Oneva accumulated in 7 is the weight of this oneva or in the inner pot 3
Elastic deformation occurs due to the negative pressure of
The return port 30 is opened to allow Oneva to flow down. As a result, the position is higher than the oneva return port 30.
Oneva is prevented from accumulating until
By preventing layers and returning Oneva to inner pot 3 again
Reducing the nutrients and the taste of rice in Oneva
When combined with this, the pressure rises in the inner pot 3
The Neva return valve 90 closes the Oneva return port 30 and
It also prevents blow-off of Oneva accumulated in the reservoir 37
I'm trying. In this configuration, as shown in FIG.
During the cooking process, the rice cooker 10 is energized for 16 seconds.
After that, stop control for 2 seconds is repeatedly performed.
They cook and heat them. The oneva return valve 90 is provided for
The rice cooker 10 is energized for about 16 seconds.
At the time, the internal pressure in the inner pot 3 is increased by heating from the rice cooker 10.
And the pressure rises, and the closed state is maintained
However, when the energization of the rice cooker 10 is stopped (2 seconds)
And the inner pan 3 is in a negative pressure state during that time, producing elastic deformation.
This elastic deformation causes the oneva return port 30 to be opened and
Let Neva flow down. As described above, the rice cooking heater during the rice cooking process
By using ON and OFF by heating control of 10,
When energization of the rice cooker 10 is stopped, oneva accumulates.
Is prevented, and the Oneva is returned to the inner pot 3 again to contain the Oneva.
It can also reduce the nutrients to be eaten and the taste of rice.
When the rice cooker 10 is energized, the oneba return
The mouth 30 is blocked and the oneva pool 37
I try to prevent blowing. The bottom 25b of the steam pipe 25
A leg 39 is formed on the surface, and the ground position of the leg 39
The oneva return valve 90 is provided above. Thus, the steam cap 20 is removed.
Removed and placed on a table, etc.
Oneva return valve 31 provided on the tap 20 comes into contact with the mounting surface
Is prevented and sanitary handling is possible.
You. On the other hand, as shown in FIG.
A cylindrical portion 13 penetrating from the plate 16 to the lower plate 17 is formed.
The cylindrical portion 13 is formed by an upper plate formed at the center of the upper plate 16 of the lid 2.
A vertical lower plate formed at the center of the lower plate 17
By inserting the cylindrical portion 53 through the packing 54,
The lower plate vertical cylindrical portion 53 has an annular
The ridge 55 is formed. The cover 2 is formed at the center of the upper plate 16.
Around the opening edge at the upper end of the upper
A concave portion 2a for accommodating the lower cover 23 of the cap 20 is formed.
Then, in the recess 2a, the outside of the steam cap 20
Put your finger in and remove this steam cap 20
Is formed. A concave portion 57 is formed at the center of the upper surface of the inner lid 12.
Is formed, and a steam hole 58 is formed in the bottom surface of the concave portion 57.
ing. The upper surface of the inner lid 12 so as to surround the outer periphery of the concave portion 57.
A cylindrical lid knob 56 is provided on the outside of the lid knob 56.
Formed on the outer peripheral side of the cylindrical packing 87 fitted on the side
The lower annular vertical cylindrical portion 53 has an inner annular convex
It can be removed freely by fitting the ridge 55 with elasticity
The inner lid 12 is removed from the lid 2 by this locking.
It is attached to be able to. The lid knob 56 is formed at the lower opening edge.
The outer flange 71 forming the base to be fixed is secured to the inner lid 12 of the pin 72.
The lid cap 56 is attached to the steam cap.
20 steam pipes 25 are fitted and this lid knob
Between the steam pipe 25 and the steam pipe 25
The steam from the steam introduction passage 14 is
From the steam inlet 26 of the steam pipe 25
You. The outer peripheral side of the upper end of the steam pipe 25
Is a bent portion 63 bent inward at a lower end portion in a V shape in cross section.
A ring packing 63 having a is provided. This resource
The packing 63 is attached to the lid 2 at its upper end.
Formed on the inner periphery of the upper plate hanging cylindrical portion 52 of the upper plate 16
A locking portion 63b that is fitted into and locked to the inner flange 64 is formed.
The steam cap 20 and the lid are
The body 2 is closed, and in this closed state, the bent portion 63a
Abutting against the upper opening edge 59 of the lid knob 56, and
Steam introduction to steam inlet 26 of team pipe 25
A passage 14 is formed so that the ring
Each function is performed by one member by the locking 63.
I have it. Therefore, the ring packing 63
Of the steam cap by fitting the cylindrical portion 13 of the lid 2
Between the lid 20 and the lid 2 to introduce outside air and
To prevent the air from dissipating, and at the top of the lid knob 56
Vapor removal of the steam cap 20 in contact with the opening edge 59
The steam introduction passage 14 leading to the inlet 26 will also be formed at the same time.
I'm trying. As described above, the lid knob 56 of the inner lid 12 is
Steam between the steam pipe 25 of the team cap 20
Since the introduction passage 14 is formed, the steam introduction passage 14
Existing parts without the need for components to form
Steam pipe25Into the lid knob 56
Can be easily formed, and the number of parts can be reduced.
Abbreviation can be achieved. Further, the steam pipe 25 and the lid knob 56
By adjusting the insertion interval with
The degree of pressure regulation can be adjusted easily,
The steam from the air introduction passage 14
Steam can be taken in through the steam inlet 26
The formation of the introduction passage 14 is also easy. In this configuration, the problem occurs during rice cooking.
The vapor formed on the bottom surface of the recess 57 at the center of the upper surface of the inner lid 12 is formed.
The lid knob 56 of the inner lid 12 and the steam
Through the steam introduction passage 14 formed between the
From the steam inlet 26 of this steam pipe 25
Steam communication passage 29 in steam pipe 25 and its steam communication
The steam formed between the mouth 38 and the upper cover 22 and the lower cover 23
Air discharge passage 28 and steamExhaustionDischarged to the outside via outlet 27
You. As described above, the lid knob 56 of the inner lid 12 is
Formed between the steam cap 25 of the steam cap 20 and the steam pipe 25.
Through the steam introduction passage 14 which has been
The longer the road, the less spillage
Furthermore, the air layer between the inner lid 12 and the lower plate 17 of the lid 2 causes
A heat insulating space 91 is formed, and moisture retention and
The temperature can be improved. The upper cover 2 of the steam cap 20
2, the ball holder 34 on which the closing ball 24 is set
The ball holding body 34 is provided with the lower cover 23.
The connection of the steam communication passage 29 formed in the steam pipe 25
A communication port 38 is formed, and the communication port 38 is connected to the closing ball.
It is closed by its own weight of 24. As described above, the ball holder 34
The closed closing ball 24 is connected to the steam pipe 2 of the lower cover 23.
Blocking the communication port 38 from the steam communication passage 29 in 5
To prevent the intrusion of outside air and heat radiation from inside air,
In addition, the heat retention can be improved. The ball holder 34 has a funnel-shaped inner bottom surface.
Slope and descend radially along this slope.
The number of ribs 65 is formed, and the plurality of radial ribs 65 are formed.
The closing ball 24 is placed on the communication port 38
The ball is intended to move smoothly and
The outer peripheral side of the back surface of the holding body 34 is formed by the steam pipe 25
Along the upwardly inclined surface 92 of the formed opening edge,
-22 when helicoid-bonded to the lower cover 23.
Sometimes it may be close. Further, the steam cap 20 is arranged as shown in FIG.
As shown in the figure, the peripheral side inside the upper cover 22 and the inside of the lower cover 23
Between the outer circumference ofToOutlet 27 of upper cover 22
An outer annular space 66 for the Oneva reservoir is formed more outwardly.
To rotate the cover 2 to open it,
Remains in the steam cap 20
Oneva from flowing out of its steam outlet 27
And stored in the annular annular space 66 of the oneva reservoir.
Therefore, by opening the lid 2,
On lid 2 due to outflow of Oneva from team cap 20
Surface dirt can be prevented. Also, as shown in FIG. 8 and FIG.
In addition, a steam hole 58 formed at the center of the inner lid 12 is
It is formed in a small-diameter opening, and mainly the one-way return valve 90 is opened.
Release the Oneva from the Oneva return port 30 by releasing
Nevah return port, of whichlid12 between the center and outer edge
At a predetermined interval in a ring shape, the diameter is larger than the steam hole 58.
A plurality of steam through holes 58a are formed, and the steam through holes 58a
As the communication holes for steam. And among themlid12 is from the center to the outer periphery
Form a slope with a downward slope toward the edge, and
With a predetermined interval annularly on the edge, from the steam through hole 58a
Oneva return through hole 58b having a small diameter is formed. In this configuration, oneva from the inner pot 3
Is mainly contained in the steam through hole 58a having a large diameter.
Flows between the inner lid 12 and the lower plate 17 of the lid 2 to
Lid toe formed onOnly 56. Communication port 1 formed at the lower end of 6
7b to the steam inlet 2 of the steam cap 20
6 is communicated with the steam introduction passage 14. In this case, the steam hole 58 of the inner pot 3 is formed.
A concave portion 12a is formed at the center of the one-way return valve 90.
Oneva that is opened and flows down from the Oneva return port 30
Once stored in the recess 12a, gradually return to the inner pot 3
I'm trying. Oneva overflowing from the recess 12a
Oneva attached to the upper surface of the inner lid 12 is
Partially flowing from the steam through hole 58 along the down slope
And the other oneva flows along the outer edge and
The inner pot 3 is gradually removed from the oneva return through hole 58b formed.
It is going to be reduced inside. In this configuration, the lower part of the lower plate 17 of the lid 2 is
On the surface, insulation by the air layer between the lower plate 17 and the inner lid 12
An annular hanging down from the space 91 close to the upper surface of the inner lid 12
A lower wall 17a is formed, and this annular hanging wall 17a is
At the lower end of the vapor hole 58 a of the lid 12 and the lid knob 56.
Between the formed communication port 17b and the steam communication hole 58a.
I am trying to position it. With the formation of the annular hanging wall 17a,
9, as shown in FIG.
Including oneva which flowed into the heat insulation space 91 by the air layer
The steam is discharged from the steam through hole 58a as an outlet, and
Oneva sticks between the lower wall 17a and the lower surface of the lower plate 17.
It expands like a balloon due to its nature and eventually bursts. The ruptured Oneva is attached to the annular hanging wall 17a.
Is formed on the outside of the annular hanging wall 17a (anti-steel).
To the side of the cap)
The contained steam flows on the lower end of the annular hanging wall 17a and the inner lid 12.
It flows out of the gap S between the surface. As described above, by forming the annular hanging wall 17a,
Thus, this annular hanging wall 17a is used for vapor-liquid separation of steam and Oneva.
It will act as a wall, and Oneva has a steam cap
To prevent as much as possible from flowing into
To reduce the amount of Oneva released from the steam cap 20
I try to plan. (Embodiment 2) In the second embodiment shown in FIGS.
12 on the inner bottom of the lid knob 56,
A steam communication passage 29 is formed from a steam hole 58 formed in the center.
A steam passage tube 73 is formed, and an upper end of the steam passage tube 73 is formed.
The closing ball 24 is placed on the opening edge, and steam is generated by its own weight.
The air communication passage 29 is closed. Also this lid
From the position slightly protruding from the bottom on the inner bottom of the knob 56
Oneva return hole 89 is formed, and onenet collected in this inner bottom is formed.
The bowl is returned to the inner pan 3. The steam cap 20 has a lower cover 2
3 is provided with a closed ball holding body 34, and the closed ball holding body 34 is provided.
The holding body 34 holds the locking claw 74 formed at the lower end with the lower cover 2.
3 with resin elasticity in a locking hole 75 formed in the bottom surface of
It is engaged in a detachable manner. The lid 2 is made of a synthetic resin constituting the outer surface.
Is detachably attached to the upper plate 16 on the lower surface of the upper plate 16.
And the inner and outer doubles constituting the lower plate with respect to the upper plate 16
And the lower lid 17 made of stainless steel having a vacuum structure
Therefore, it is constituted. The lower plate has a double inner and outer vacuum structure.
A lower lid 17 made of stainless steel is formed at the center.
Upper plate formed in the center of the upper plate 16 in the mounting hole 76
The lower cylindrical portion 52 is fitted, and this mounting hole 76
From the upper plate hanging tube portion 52 with the screw tube 77
By being screwed together, it is pinched between them. This lower lid 1
7 is removed by unscrewing the screw cylinder 77
And can be washed and washed, and a double vacuum structure inside and outside
By having it, the heat retention can be further improved. Then, the steam cap 20 is placed under the steam cap 20.
The bottom of the cover 23 is formed at the center of the upper plate 16.
At the bottom opening edge, it is fitted into the upper plate hanging cylinder 52
The bent portion 6 having a U-shaped cross section of the ring packing 63
3a is brought into contact with the upper opening edge 59 of the lid knob 56
It is placed by that. In this configuration, the problem occurs during rice cooking.
The steam generated at the center of the upper surface of the inner lid 12 is
From the steam communication passage 2 formed on the lid knob 56 of the inner lid 12
9 through the steam passage tube 73,
20 through the bottom opening formed at the bottom of the closing ball 24.
Formed between the upper cover 22 and the lower cover 23 against the weight.
Through the steam outlet 27 through the steam outlet passage 28
Is discharged to the department. As described above, it is not necessary to use a special member.
Steam using the lid knob 56CommunicatingForm passage 29
Can simplify the component configuration,
steamCommunicatingaisle29However, this lid knob 56 and steam cap
Is formed by the two members of the
Washing with residual Oneva is also easy to clean with only these two components.
It becomes easy to be done. In the structure shown in FIG.
A mounting hole 83 is formed, and a lid is
The lower end of the knob 56 is fitted, and the lower end of the fitting is inserted.
Next, the inner peripheral side of the Oneva receiving tray 78 from the back of the inner lid 12 is taken.
It is screwed so that it can be removed freely, pinching the rim of the mounting hole 83,
The lid knob 56 is attached. [0086] The side wall of this oneva tray 78 and the lid knob
56 are provided with communication ports 79, 8 communicating with each other.
1 are formed respectively, and the communication ports 79 and 81 are
The steam communication passage 29 of the knob 56 is connected. As described above, the lid knob 56 is moved from the inner lid 12
Remove the steam formed in the lid knob 56CommunicatingPassage 2
9 can be easily cleaned, clean and sanitary
It will be. In this configuration, the lid knob 56
Not only the removal, but also the steam cap 20
Lower cover 2 against upper cover 22
3, and the ball holder 34 and the closing ball 24
Even steamCommunicatingRemoving all members that form the passage
And make cleaning easier and more hygienic. Other structures and works performed by the structures
The effect is particularly different from the first and second embodiments.
And overlapping illustration and description are omitted. [0090] According to the present invention, a steam discharger for an electric rice cooker is provided.
In the structure, steam is discharged to the top side of the steam cap and to the peripheral side
Form a mouth and open this steam outlet toward the center
Generate steam containing Oneva with a simple configuration
According to the report, Oneva contained in this steam
To the center of the steam cap
It can be prevented from flowing out from all sides,
Minimizing contamination of the top surface of the lid by Oneva to minimize maintenance
Simple and sanitaryYou. Also,,Top cap on the bottom cover of the team cap
Since the bar is attached detachably, this steam key
Cap is separated by the lower cover and the upper cover.
The formed steam passage is opened and this steam passage is cleaned.
Can be cleaned,
Both steam caps are easy to clean and hygienic
Become. Also,,Formed on the lower cover of the team cap
Steam pipes form a steam intake at the top
And the bottom of the oneva pool was formed at the bottom.
Oneva stored in the pool is above this oneba pool
Blown off by steam from the steam intake formed in the
From being exposed to steam
Can control the scattering of many OnevaYou. [0093]In particular,Between the lid knob and the steam pipe
Since the steam introduction passage was formed, a special steam introduction passage was formed.
Existing components without the need for components
Formed by fitting a certain steam pipe to the lid knob
And the number of parts can be simplified.
And the space between the steam pipe and the lid knob
By adjusting the pressure, it is easy to adjust the pressure according to the interval
The steam can be adjusted to
Steam enters through the steam inlet of the steam pipe
And it is easy to form the steam introduction passage.
WhatYou.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view of an electric rice cooker according to Embodiment 1 of the present invention. FIG. 2 is an enlarged sectional view of a steam discharging mechanism of the electric rice cooker in FIG. FIG. 3 is an enlarged sectional view of a steam cap in the steam discharge mechanism of the electric rice cooker in FIG. FIG. 4 is an enlarged sectional view of a state in which a steam discharge mechanism of the electric rice cooker in FIG. 3 is inclined. FIG. 5 is an enlarged sectional view of a steam cap showing another example of the steam discharge mechanism according to Embodiment 1 of the present invention. FIG. 6 is a partially enlarged sectional view of a steam discharge mechanism of the electric rice cooker according to Embodiment 2 of the present invention. FIG. 7 is a partially enlarged cross-sectional view of a steam discharge mechanism of an electric rice cooker showing another example according to Embodiment 2 of the present invention. FIG. 8 is a cross-sectional view of a steam discharge mechanism of an electric rice cooker showing another example according to the embodiment of the present invention. 9 is a partially enlarged cross-sectional view of the steam discharge mechanism in FIG. FIG. 10 is a diagram showing a relationship between opening and closing of the oneva return valve and energization of a heater according to the embodiment of the present invention. FIG. 11 is a partially enlarged sectional view of a steam discharge mechanism of an electric rice cooker showing a conventional example. [Description of Signs] 1 Rice cooker main body 2 Lid 3 Inner pan 5 Outer case 6 Inner container 12 Inner lid 14 Steam introduction passage 16 Upper plate 17 Lower plate 20 Steam cap 22 Upper cover 22a Central part 22b Peripheral part 23 Lower cover 24 closing ball 25 steam pipe 26 steam inlet 27 steam outlet 28 steam discharge passage 29 steam communication passage 30 oneva return port 35 bulge 37 oneva reservoir 38 communication port 39 leg 56 lid knob 90 oneva return valve

Claims (1)

(57) [Claims 1] A rice cooker body containing an inner pot therein, a lid body for opening and closing the opening of the rice cooker body, and a heating means for heating the inner pot. In the steam discharge mechanism of the electric rice cooker provided, a steam cap for discharging steam to the outside is detachably attached to the lid, and a steam discharge port is formed on a peripheral side portion of an upper surface of the steam cap. an outlet toward the center is opened, the steam cap
The upper cover on which the steam outlet is formed and the upper cover
And a lower cover that forms a steam discharge passage between the
The upper cover is detachably attached to this lower cover, and
Steam forming a steam passage on the lower cover of the team cap
Forming a pipe, this steam pipe has steam on top
Forming inlet and oneva pool at bottom
And, on the inner lid of the inner pan, a cylindrical lid knob is provided on the upper surface
The lid cover knob to the steam cap of the steam cap.
Is inserted between the lid knob and the steam pipe.
To form a steam introduction passage, and steam from this steam introduction passage is formed.
Ki is taken in from the steam inlet of the steam pipe
A steam discharge mechanism for an electric rice cooker, characterized in that it can be drained.