JPH0728803B2 - Rice cooker - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a rice cooker, which is used in, for example, a small fully automatic rice cooker in which a series of steps from storage of polished rice to cooking rice is automated in a single box. To be done.

(Prior art) In order to save labor in the rice cooking work that has traditionally required a lot of labor, a series of work processes such as storing, weighing, washing, adjusting the water content, soaking, rice cooking, and steaming of rice in the rice cooking work are automatically processed by a program. As a fully automatic rice cooker
There are techniques such as 58-105723 (conventional example 1), JP-B-58-8848 (conventional example 2), and JP-A-58-67217 (conventional example 3).

(Problem to be Solved by the Invention) In the above-mentioned conventional example 1, the rice washing device and the rice cooker are housed in a box, and the rice cooker is configured to be pulled out to the front of the main body, which facilitates handling. ing.

Further, in the second conventional example, a rice storage is provided in the lower part of the box, and the polished rice is lifted from the rice storage, weighed, washed and supplied to a rice cooker provided in the middle stage of the box.

Further, in the conventional example 3, a rice cooker having a rice washing receiving port is provided in the lower portion of the rice washing tank, and the receiving port can be freely opened and closed by a shutter operated by a solenoid.

In any of the conventional rice cookers 1 and 2 and the other conventional ones, in order to supply washing rice to the rice cooker housed in the box, the box lid is rotated vertically and can be opened and closed. It is released in and closed after washing rice is supplied.

However, since the rice cooker can be opened and closed by rotating the upper lid in the vertical direction in the case, the opening and closing means of the upper lid is complicated and causes a failure. It was very troublesome for housewives, and was a bottleneck for labor saving and automation.

Moreover, since the upper lid is rotated in the vertical direction in the box body, the rice washing means, the rice storing means, which are attached to the rice cooker, are attached to the box body.
When arranging various functional parts such as weighing means, the height of the box becomes extremely high, which is a problem when it is installed as a single unit for home use or as a system kitchen because it is bulky.

The conventional example 3 opens and closes the receiving opening by a shutter that operates in the horizontal direction, and has the merit that the size in the vertical direction can be made smaller than the rotary type, but the driving means (solenoid) for opening and closing the shutter is Since it is in the rice cooker that is the heat source part, it is easy to cause malfunction, and the vicinity of the rice cooker is a part where steam, moisture, etc. are large during cooking, including the steaming process, and malfunction occurs. Of course, there was a risk of inducing premature failure.

It is an object of the present invention to provide a rice cooker capable of solving the problems 1 to 3 of the conventional steam technology.

(Means for Achieving the Object) The first specific means for solving the object of the present invention is
A rice washing tank 9 having a spout 11 and a rice cooker 25 that receives the rice washed from the rice washing tank 9 are arranged in the apparatus body 1, and the rice cooker 25 is located below the spout 11. Entrance
In a rice cooking device comprising an upper lid 28 having 29 and a rice cooker main body 27 that can be opened and closed by the upper lid 28, the rice washing inlet 29 of the upper lid 28 can be closed by ascending from below and descending from the closed position. That is, the lid valve body 35 to be opened is provided.

The second specific means for solving the problems in the present invention is
In addition to the first concrete means, the lid valve body 35 can be raised together with the upper lid 28 from the rice washing inlet closed position.

The third concrete means for solving the problems in the present invention is
In addition to the first or second specific means, a tank valve body 12 that opens and closes the spout 11 is provided on a cylindrical valve rod 24 that vertically penetrates through the rice washing tank 9 and is provided inside the cylindrical valve rod 24. The valve rod 36 having the lower end connected to the lid valve body 35 is vertically inserted.

(Embodiment and Action) Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

In FIG. 2 showing the whole, reference numeral 1 is a main body of the apparatus, which is formed in, for example, a cubic box shape having a top plate 2 which can be opened and closed or which can be detachably mounted, and which has wheels 3 on its lower part. .

Reference numeral 4 denotes a rice storage, the lower part of which is formed in a funnel shape and which is disposed on the upper part of the apparatus main body 1, which opens the top plate 2 to store the replenished rice, and the lower spout 5 Has a quantitative classification means 6.

The fixed-quantity dividing means 6 is a cylinder having both ends of a cylindrical body closed and a notch 6A in a part of its outer circumference. By connecting this cylinder to a motor via a shaft 7, the quantitative division means 6 is rotated about the horizontal axis. In addition, 8 has shown the rice storage amount sensor.

Reference numeral 9 denotes a rice washing tank, the lower part of which has a funnel shape and a chute 10 is provided on the upper part thereof. The chute 10 is arranged at the lower part of the quantitative sorting means 6 so that a predetermined amount of rice washing can be accommodated therein. There is.

The lower part of the rice washing tank 9 is a rice washing spout 11, and the spout 11 is openable and closable by a conical opening / closing valve body (tank valve body) 12 and the circumference of the spout 11 is ring-shaped. It is surrounded by a bottomed drainage jacket 13.

As shown in FIG. 1, a perforated conical cylinder 14 is built in the drainage jacket 13, through which the rice bran produced during rice washing passes, and the drainage pipe 15 discharges it out of the apparatus. It is possible.

Reference numeral 16 is a stirring member, and a cylindrical rod-shaped support rod 17 is provided on the longitudinal axis of the rice-washing tank 9, and the inner surface of the rice-washing tank 9 has a cylindrical shape and extends horizontally in the supporting rod 17. It is composed of a plurality of stirring rods 18 extending downward along the shape, and the upper portion of the support rod 17 is a bearing 20 on a base 19 above the rice washing tank 9.
In addition to being rotatably supported by, the motor 21 and the support rod 17 are rotatably driven in the rice washing tank 9 by interlockingly connecting the transmission member 22 such as a chain or a belt.

The conical outer peripheral surface of the on-off valve body 12 is a seat packing ring 23.
Is attached to the lower end of a tubular rod-shaped valve rod (cylindrical valve rod) 24 which is inserted into the support rod 17 and penetrates in the up-down direction.

25 is a rice cooker, which is arranged below the rice washing tank 9,
It consists of a rice cooker body 27 placed on a drawer type stand 26 and an upper lid 28 etc. that can open and close the rice cooker body 27.
As shown in FIG. 1, there is a rice washing inlet 29 which is located below and opposite to the spout 11.

The rice cooker 25 is equipped with an inner pot 30, an inner pot lid, etc., and is provided with a handle 31, a heat retaining means, etc., and is an automatic rice cooker using gas or electricity, and is placed horizontally on a stand 26. Can be pulled out in any direction, and the main body 27
Is removable from the base 26.

As shown in FIG. 1, the rice washing inlet 29 is formed in a mouthpiece member 32 attached to the upper lid 28, the upper part of which is a downwardly tapered conical surface 33, and the lower part following the conical surface 33 is downwardly expanded. The conical surface 34 of the valve body (cover valve body) 35 is engaged with the conical surface 34 so as to come into contact with and separate from the conical surface 34.

The valve body 35 is screwed to a valve rod 36, and the valve rod 36 is slidably inserted in the cylindrical valve rod 24 and vertically penetrates the rice washing tank 9 as shown in FIG. There is.

Reference numeral 37 denotes an actuator, which in the present embodiment is composed of an electromagnet or the like, which makes the above-mentioned valve bodies 12, 35 freely openable and closable, and is provided on the upper side of the valve rods 24, 36 in FIG. 2 and FIG. Shown fulcrum 3
Interlocking arms 39 and 40 swinging in the vertical direction around 8 are pivotally connected to each other, and the valve body 12 can be opened and closed via the valve rod 24 and the valve body 35 can be opened and closed via the valve rod 36. Has been done.

41 is a bellows cylinder, the inner peripheral surface of which is a smooth surface,
It is connected to the drainage jacket 13 and the mouthpiece member 32 so as to be vertically expandable and contractible, and has a rice washing downflow opening 42 formed therein.The upper lid 28 is pressed downward to the outer periphery of the bellows cylinder 41 by the pressure during cooking A coil spring 43 is provided to prevent the upper lid 28 from opening.

Reference numeral 44 denotes a guide rod, which projects from the mouthpiece member 32 and guides the vertical movement of the upper lid 28 by the guide portion 45 of the drainage jacket 13.

In addition, in FIG. 2, 46 is a water supply means, which is an electromagnetic valve.
It is possible to adjust the amount of water supplied to the rice washing tank 9 at 47 or the like. 48 is a sprinkler shower and 49 is an automatic control box.

Explaining the operation mode in the above first embodiment, the desired rice cooking amount, water addition, dipping time,
After inputting data such as steaming time and cooking time,
After pressing the start button and confirming that the valve body 12 is closed, the quantitative sorting unit 6 rotates to supply a predetermined amount of rice to the rice washing tank 9 through the chute 10.

When the fixed amount is completed, the stirring member 16 rotates, a predetermined amount of water is supplied through the electromagnetic valve 47 and the like, and the rice is washed here.

Washed rice water, bran and the like are discharged to the outside of the apparatus through the perforated conical cylinder 14.

When the rice washing process for a predetermined time is over, watering etc. is temporarily suspended,
The process proceeds to the polishing process in which only the stirring member 16 rotates.

After repeating the washing process and the polishing process a predetermined number of times, the process proceeds to the rinsing process.

In the rinsing step, the water is supplied to a predetermined water level in the rice washing tank 9 to wash away the bran and clarify the water, and the water is adjusted after a plurality of rinsing steps. When 35 is opened as shown in FIG. 4, the washed rice in the rice washing tank 9 flows down as shown by the arrow in FIG. 4 and is supplied to the inner pot 30 of the rice cooker 25 through the receiving port 29.

When the predetermined supply is completed, the rice cooking process is performed after the dipping process. In this rice cooking process, the valve bodies 12, 35 are closed as shown in FIG.

The spring 43 prevents the upper lid 28 from being blown up by the pressure during rice cooking, and when the rice cooking process is completed, the steaming process is started. After steaming for a predetermined time, the valve body 35 as shown in FIG.
The upper lid 28 is lifted when the
A skimmer t is formed between the main body 27 and the inner hook 30 and the like, and the main body 27 is pulled out of the apparatus by the pedestal 26 as shown by the phantom line in FIG.

The valve body 35 closes the rice washing inlet 29 by ascending from below, and opens when descending from the closed position. When the valve body 35 further rises from the closed position, it rises together with the upper lid 28. When the valve body 35 is opened, the washed rice dropped from the rice washing inlet 29 hits the valve body 35 and enters the rice cooker main body 27 while being dispersed around.

FIG. 6 shows a second embodiment of the present invention, in which the pressing spring 43 of the upper lid 28 is wound around the guide rod 44, and the others are common to the first embodiment and common parts are common. It is indicated by a symbol.

7 to 12 show a third embodiment of the present invention, in which the upper lid is
28 is different from the above-described first and second embodiments in that the operation cam lever means presses against the rice cooker body 27 and that the upper lid 28 is opened (lifted) from the rice cooker body 27 by a spring, Since the other points are common to those of the first embodiment, common parts are indicated by common reference numerals, and different points will be described below.

As shown in FIGS. 7 and 8, a fixed female guide cylinder 50 is arranged so as to surround the outer circumference of the drainage jacket 13 and is concentric with the drainage jacket 13, and the guide cylinder 50 has the same structure as shown in FIGS. As shown in the figure, a horizontal slit 51 is formed.

A male guide cylinder 52 is concentrically fixed to the mouthpiece member 32, and the male guide cylinder 52 is vertically slidably fitted on the inner peripheral surface of the female guide cylinder 50 and faces the slit 51. A cam hole 53 having a positioning cam portion 53A is provided (see FIGS. 9 and 10).

A bracket 55 is attached to the outer circumference of the drainage jacket 13, and an operating lever 54 is provided with a pin 56 on the bracket 55 so as to be rotatable in the directions of arrow A and counter arrow A shown in FIGS. 8 and 9. The operating lever 54 includes the cam hole 53 and the slit.
It has been inserted through 51.

The cam portion 53A positions the rod portion of the operating lever 54.

Pulling springs 57 are provided in a radial arrangement across the drainage jacket 13 and the mouthpiece member 32, and the upper lid 28 can be lifted from the rice cooker body 27 via the mouthpiece member 32.

The male guide cylinder 52 has a recess 58 for avoiding the drainage port 15.

Therefore, in this third embodiment, in the above-mentioned rice washing process, rice polishing process, rinsing process and rice cooking process, the operating lever 54 is set to the position shown in FIG.
Against this, the male guide tube 52 is pushed down by the cam lever means, and the upper lid 28 is pressed against the rice cooker main body 27, and in particular, the blowing of the upper lid 28 during rice cooking is prevented. And this state is
The rod portion of the operating lever 54 engages with the cam portion 53A and is maintained in combination with the elastic force of the spring 57.

In this state, as in the first embodiment, as shown in FIG.
The valves 12 and 35 are opened to supply washing rice to the rice cooker main body 27, and the rice cooking process and the steaming process are performed in the same manner as in the first embodiment through a predetermined dipping process. During this time, the upper lid 28 is sealed. .

After the lapse of a predetermined time, when the operating lever 54 is manually or automatically rotated in the direction of arrow A shown in FIGS. 8 and 9 to remove the cooked rice, the cam hole 53 has a vertical length of the upper lid 28.
The spring 57 can be lifted from the rice cooker body 27 to form the clearance t shown in FIG.
By this action, the male guide cylinder 52 is slidably guided to the inner peripheral surface of the female guide cylinder 50, and the upper lid 28 is lifted up there.

Therefore, the rice cooker body 27 can be taken out in the direction of the arrow in FIG. 12 while the upper lid 28 is left inside the apparatus body 1.

When the rice cooker main body 27 is reset, if the operation lever 54 is rotated in the direction of arrow A, the upper lid 28 is pushed down against the spring 57 by the action of the cam lever.

In the present invention, the upper lid 28 may be detachably attached to the main body 27 with seal packing, hook fittings, or the like. Further, the stirring member 16 may have a blade shape. Also, the actuator 37 may be an electric motor, a fluid cylinder, or the like.
The valve bodies 12 and 35 may be provided in accordance with the valve bodies 12 and 35 so as to operate individually.

(Effects of the Invention) The present invention is as described above, and according to the present invention, the lid valve element 35
Can be lowered from the closed position to the lower side of the upper lid 28 to open the rice washing inlet 29, and the space for moving and arranging the lid valve body 35 on the upper side of the upper lid 28 can be omitted.
When it hits 37, it is dispersed around the inside of the rice cooker main body 27 to form a donut shape with a recessed central part, which can prevent the rise of the center valve which causes poor rice cooking due to poor heat distribution and raises the lid valve body 35. When it is in the closed position, the rice washing inlet 29 can be closed on the lower surface side of the upper lid 28, and the upper void of the rice cooker 25 is not enlarged, so the pressure inside the rice cooker 25 can be raised quickly during rice cooking. The pressure can be maintained sufficiently.

Further, the lid 28 can be easily and easily opened and closed with respect to the rice cooker body 27 without providing a separate opening / closing mechanism.

Furthermore, the spout 11 of the rice washing tank 9 and the rice washing inlet 29 of the upper lid 28 can be opened / closed by separate valve bodies 12 and 35, and rice washing and rice cooking can be performed in containers of optimal structures, respectively. Moreover, the valve rods 24 and 26 for supporting and vertically moving them can be arranged compactly, and their drive mechanism can be arranged at a position far away from the rice cooker 25 and not affected by steam, hot air, or the like. .

[Brief description of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a cross-sectional view of an essential part,
FIG. 2 is a schematic elevational view of the whole, FIG. 3 is a plan view of an actuator portion, FIGS. 4 and 5 are sectional views showing an operating state, FIG. 6 is a sectional view of a second embodiment, and FIG. 7 to 12 show a third embodiment, FIG. 7 is a sectional view of a main part, FIG. 8 is a cross-sectional plan view of FIG. 7, and FIGS. 9 and 10 show the operating condition of the operation cam lever means. The side view of the essential part shown in FIG.
FIG. 12 is a sectional view of the rice cooker when opened. 1 ... Device main body, 9 ... Rice washing tank, 25 ... Rice cooker, 28 ...
Upper lid, 29 …… Rice washing inlet, 35 …… Valve disc, 36 …… Valve rod, 37
...... Actieta.

Claims (3)

[Claims] 1. A rice washing tank (9) having a spout (11) and a rice cooker (25) for receiving the rice washed from the rice washing tank (9) are arranged in the apparatus body (1) to cook rice. The cooker (25) is composed of an upper lid (28) having a rice washing inlet (29) located below the spout (11) and a rice cooker body (27) which can be opened and closed by the upper lid (28). In the rice cooker, the lid valve body (3) that closes the rice washing inlet (29) of the upper lid (28) by ascending from below and opens by descending from the closed position.
5) Rice cooker characterized by being provided. 2. The rice cooker according to claim 1, wherein the lid valve body (35) can be lifted up from the closed position of the rice washing receiving port together with the upper lid (28). 3. A tank valve body (12) for opening and closing a pouring port (11) is provided on a cylindrical valve rod (24) vertically penetrating through the rice washing tank (9), and the cylindrical valve body (12) is provided. 24) Inside the lid valve body (3
The rice cooker according to claim 1 or 2, wherein a valve rod (36) connected to 5) is vertically inserted.