JPH05184455A - Device for cleaning automatic rice cooker - Google Patents

Abstract

PURPOSE:To maintain always cleanly the interior of an automatic rice cooker without needing any special complicated devices. CONSTITUTION:A rice washing machine 4 is provided in a rice washing cylinder 23 with a rice washing screw 26. A drain through 34 is connected to a drain pipe 32 provided opposedly to a centrifugal dehydrating section 24 of the rice washing machine 4. A rice cooking chamber 44 is connected to the drain trough 34 through a hot air path 54 to send hot air from the rice cooking chamber 44 to the drain trough 34.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic rice cooker that automatically performs a series of steps from weighing of polished rice as raw material, washing rice, adjusting water and cooking rice, and more particularly to a cleaning device for an automatic rice cooker.

[0002]

2. Description of the Related Art Conventionally, in this type of automatic rice cooker,
Wash the measured raw rice with a rice washing machine and put it in the rice cooker,
Although rice is cooked by adding an appropriate amount of water to this raw rice, as long as it is washed with water by any rice washing machine, it will be removed from the surface of the rice grain by washing rice in the drained water after washing. The resulting starch and the like are contained at a high concentration, which causes molds in the rice washing machine, the rice discharging channel, the drain channel, and the like, and also causes a bad odor due to the propagation of various bacteria. In addition, since water for washing and cooking rice is supplied to the supply path and discharge path (= rice cooker input path) of the rice washing machine, rice grains are likely to adhere, and further, water scattered around the rice washing machine and rice cooking rice Condensation water of steam from the pot remained in the automatic rice cooker and was unsanitary.

[0003]

Therefore, after washing the rice, the rice washer (container) is again supplied with water to wash it, and an automatic rice cooker (automatic rice cooker equipped with a dryer for drying the rice washer and the washing water drainage passage) is provided. Rice preparation equipment) is provided in Japanese Patent Publication No. 2-49092.

However, the drying device in Japanese Examined Patent Publication No. 2-49092 is an electric heater and a blower (no other drying device can be found). In this case, the number of parts, mounting space and cost are increased accordingly. Further, a drive source for the heater and the blower was also required.

In view of the above problems, it is a technical object of the present invention to provide a cleaning device for an automatic rice cooker, which does not require a special heat source or the like and can always keep the inside of the automatic rice cooker clean. ..

[0006]

To solve the above problems, the present invention provides: At the bottom of the main body case, a weight detector and a screw conveyor for discharging are provided, and a pullable rice storage tank is provided. B. In the upper stage of the main body case, a rice feeding path connected to the screw conveyor via a rice lifting machine is provided at one end and a rice discharging path is provided at the other end, and a rice washing tube that connects this rice feeding path and the rice discharging path is provided. Horizontally installed, a rice washing screw is provided in the rice washing cylinder,
A rice washing room equipped with a rice washing machine having a centrifugal dehydration unit is provided on the rice discharging passage side of the rice washing cylinder. C. Further, the middle case of the main body case is not a rice cooker, and the rice cooker is provided with an opening / closing door (door), a rice cooker which can be put in and out by the opening / closing door, and a heating means of the rice cooker. The input port of the (lid) and the rice discharge path of the rice washing machine are connected via a leveling device. In the automatic rice cooker consisting of a to c above, d. A rice washing water nozzle is provided in the rice feeding passage for supplying washing water for washing rice and washing water for washing the rice feeding passage, the washing cylinder and the washing screw after washing rice. E. The rice discharge channel is provided with a rice cooking water nozzle for supplying the cooking water to the rice cooker while washing the rice discharge channel after washing the rice. F. A drainage channel is provided extending from the drainage port opposite to the centrifugal dehydration unit of the rice washing machine to the outside of the main body case. G. The hot air outlet opening to the rice cooking chamber and the drainage path are connected by the hot air path. That is the technical means.

Further, in the automatic rice cooker consisting of the above items A to C, A rice washing water nozzle for supplying the washing water to the rice feeding passage at the time of washing rice, and a washing water nozzle provided above the washing water nozzle for supplying washing water for washing the rice feeding passage, the washing pipe and the washing screw after washing the rice. And. Re. A rice cooking water nozzle for supplying rice cooking water to the rice cooker while washing the leveling device after washing the rice in the rice discharging passage, and a washing water nozzle for cleaning the rice discharging passage before supplying water to the rice cooking water nozzle. Is provided above the cooking water nozzle. You can also take the technical means of.

After the completion of washing the rice, it is advisable to drive the rice washing screw and the centrifugal dewatering unit when supplying water for washing the inside of the rice feeding passage.

Further, there is provided a cleaning device for an automatic rice cooker consisting of the above items a to c and c and r, wherein A drain gutter will be installed directly below the drain port opposite the centrifugal dehydration unit of the rice washing machine. Le. A water pipe with an open upper end is erected outside the case. Wo. A connecting pipe having an upper end opened and a lower end connected to the drain pipe is provided on the floor surface of the rice washing room. Wa. The upper end opening of the connecting rod and the lower end of the drain gutter are connected in a non-contact manner. F. The end portion of the steam exhaust passage for exhausting steam in the steam rice cooking chamber is made to face directly above the upper end opening of the water distribution pipe. It is more effective if you take the following technical measures.

[0010]

[Function] The polished rice that is measured and discharged from the rice storage tank is
Rice is washed while being continuously supplied into the rice washing cylinder from the rice feeding passage of the rice washing machine together with water for washing rice, and conveyed by the rice washing screw. When the milled rice and water reach the centrifugal dehydration unit, the water on the surface of the rice grain is forcibly removed by centrifugal force, and falls into the rice cooker through the leveling device from the rice discharge channel, and the water after washing is drained. Drains from mouth through drainage channel. When the washing of rice is completed in this way, rice cooking water corresponding to the amount of rice cooked is supplied from the rice cooking water nozzle into the rice cooker while washing off the rice grains adhering to the rice discharging passage. On the other hand, the water supplied from the rice washing water nozzle cleans the inside of the rice feeding passage and the rice washing cylinder and the washing screw, and is drained from the centrifugal dehydrator through the drain port into the drain passage. In the rice cooker, when the water for cooking rice is supplied, the heater heats it to cook rice, but part of the hot air in the heated rice cooking chamber is supplied from the hot air outlet through the hot air passage to the rice discharge passage and drained. It flows through the mouth into the rice washing cylinder, and further into the rice supply channel and drainage channel to dry them.

After washing the rice, by supplying water from the washing water nozzle provided above the washing water nozzle, all the rice grains adhering above the washing water nozzle can be washed away, while the rice in the rice discharging route is cooked. After the drainage rice passage is washed by supplying water from the wash water nozzle provided above the water nozzle, water for cooking rice is supplied from the rice cooking water nozzle, and at this time, rice grains attached to the leveling device are also washed away.

By driving the rice washing screw and the centrifugal dehydration unit while the washing water is supplied to the rice feeding passage, the washing can be performed more effectively.

[0013] Furthermore, the waste water after washing rice and the washing water fall from the drain into the drain gutter and then into the water distribution pipe through the connecting pipe, but from the end of the steam exhaust passage facing the upper end opening of the water distribution pipe. In addition to the condensed water falling, the water spilled on the floor of the rice washing room falls from the upper end of the connecting pipe and flows into the drain pipe.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 and 2, an automatic rice cooker 1 is formed by a vertically long box-shaped main body case 2, and a rice storage tank 3 for storing raw white rice is provided in a lower stage and a rice washing machine 4 is provided in an upper stage.
And the rice cooker 5 in the middle.

The rice storage tank 3 includes a pair of load cells 7, 7 in a drawer frame 6 which can be taken in and out of the body case 2.
The hopper-shaped lower end of the rice storage tank 3 is provided with a discharge port 8 which is relatively large open, and the upper end is provided with a stretch port 9 which is almost entirely opened. The drawer frame 6 is
The pair of rails 10, 10 provided at the bottom of the main body case 2 makes it possible to freely take in and out, and the front wall 6a has a handle 11
And a limit switch 12 for the rice storage tank is provided along with the rail 10, and a tongue piece 13 is provided to strike the lever 12a of the limit switch 12 when the drawer frame 6 is completely housed in the case 2. .. Further, a locking recess 67 is provided on the bottom of the drawer frame 6, and a locking claw 68 that engages in the locking recess 67 is provided by a solenoid 71 so that it can be engaged / disengaged.

Further, a screw conveyor 14 and a conveyor case 15 are provided horizontally by connecting to a discharge port 8 which is relatively large opened in the bottom hopper of the rice storage tank 3, and a screw conveyor motor 16 is installed in the screw conveyor 14.
It is connected to one end of. The screw conveyor 14, the conveyor case 15, and the screw conveyor motor 16 are provided integrally with the rice storage tank 3 and are supported by the load cells 7, 7. Also,
The load cells 7, 7, the motor 16, the limit switch 12, and the solenoid 71 are communicated to the control unit 91 (see FIG. 3), and the solenoid 71 operates to engage the locking claw 68 and the locking recess 67 after the operation is started. Combined and drawer frame 6
Is locked so as not to be pulled out from the main body case 2, and the screw conveyor motor 16 is formed so as to be reversed for a few seconds after the measurement is completed.

On the other hand, the rice washing machine 4 is mounted on the rice washing machine base 17 provided in the rice washing chamber 95 on the upper stage of the main body case 2. The rice washing machine 4 is a so-called continuous type rice washing machine, and has a rice feeding port 20 and a rice feeding port 20 at one end of a horizontally arranged tubular housing 19.
The rice supply channel 18 including the rice supply gutter 20a connected to the above is formed, and the discharge gutter 21 is provided at the other end to form the rice discharge channel 22 so that the rice supply port 20 and the discharge channel 22 are communicated with each other. A rotating rice washing cylinder 23 is provided. The rotating rice washing cylinder 23 has a porous wall 24 on the discharge gutter 21 side that does not allow rice grains to leak out.
It is rotatably installed in the housing 19 via bearings 25, 25. Further, a rice washing screw 26 is rotatably provided in the rotary rice washing cylinder 23, and the rice washing screw 26 is mounted on the rice feed port 20 side of the screw 26 by a pulley 2
8 and one pulley of the rice-washing machine motor 27 are connected to each other by a belt (not shown) to rotate.
On the other hand, the belt groove 29 provided on the peripheral surface of the rotary rice washing cylinder 23 and the other pulley 30 of the rice washing machine motor 27 are interlocked and connected by a belt 31.

A drainage port 32 is provided at the bottom of the housing 19 corresponding to the porous wall 24 of the rotary rice washing cylinder 23. Below this drainage port 32, a substantially sealed drainage connected to a drain pipe 33 attached to the outside is provided. A gutter 34 is provided to form a drainage channel.
The rice supply gutter 20a is connected to the rice discharging portion at the lower end of the cyclone 35, and the inlet of the cyclone 35 is a thrower pipe 36.
Further, it is connected to the lower hopper 38 through the lower 37 and the discharge port 39 of the conveyor case 15 is exposed slightly above the lower hopper 38 in a non-contact manner. The slouch 37
The lower blade 40 and the lower blade 40
Is provided with a thrower motor 41 for rotating. As described above, the rice storage tank 3 is communicated with the rice discharging passage 22 of the rice washing machine 4.

The middle part of the main body case 2 has a rice cooking chamber 44 formed by a heat insulating wall using a heat insulating material 42 except the bottom surface, and the front wall 43 has a shaft 4 provided under the front wall 43.
A door 46 that rotates 90 ° forward about 5 is provided.
6 has a handle 47. Further, rails 49 having a large number of rollers are horizontally installed in both side walls 48 of the rice cooking chamber 44, and the brim 50 of the rice cooker 5 is attached to the pair of rails 49.
The rice cooker 5 is put in and taken out while a part of it is placed. At this time, the rice cooker 5 is provided on the back wall 51 side of the rice cooking chamber 44.
The position of the rice cooker 5 at the time of storage is determined by the partition plate 52 having an arc portion that abuts on the peripheral surface of the rice cooker. A heater 53 for cooking rice is provided slightly below the bottom of the rice cooker 5,
A hot air outlet 54a is opened in the rear wall 51 at a position lower than the partition plate 52, and a hot air passage 54 that connects the outlet 54a and the drain gutter 34 is formed. The hot air passage 54 is connected to the upper wall of the drain gutter 34 from above the drain gutter 34 in order to prevent the inflow of drainage. Further, directly below the discharged rice gutter 21, an upper surface wall 55 of the rice cooking chamber 44 is opened in a circular shape and an insertion opening 56 is formed.
Is provided, an annular steam exhaust chamber 57 is formed around the charging opening 56, and a steam exhaust passage 58 that communicates the steam exhaust chamber 57 with the outside is provided in the upper surface wall 55. A temperature sensor 59 for controlling rice cooking is provided in 58.

A shutter base 60 having a circular opening 61 smaller than the input opening 56 is concentrically mounted on the input opening 56, and a shutter 62 for opening and closing the opening 61 is mounted on the shutter base 60. The shutter 62 is provided (see FIG. 4), and the rack 63 provided on one side of the shutter 62 and the pinion 65 axially attached to the shutter motor 64 are engaged with each other to form the shutter base 6.
It is formed so as to reciprocate above zero. On the other hand, the other side of the shutter 62 is projected to form the switch actuating portion 75, and chamfered portions 73 and 74 are provided at both ends of the shutter 62.
When 2 is fully closed, one chamfer 74 turns off, and when the shutter 62 is fully opened, the other chamfer 7 is closed.
The shutter limit switch 72 is fixed to the position where it is turned off by 3. Further, a scattering prevention cylinder 66 is provided on the shutter base 60 through a gap through which the shutter 62 passes, and an opening slightly larger than the discharge gutter 21 of the rice washing machine 4 is provided in the scattering prevention cylinder 66, for example, an acrylic plate. It is good to wear a shatterproof plate consisting of. Further, in the opening 61 of the shutter base 60, a leveling throwing device including a guide cylinder 69 and a dispersion plate 70 is arranged. The guide tube 6
9, the upper half is formed in a funnel shape, and the lower half is formed in a divergent shape, and the dispersion plate 70 is located in the divergent area.
The upper half is formed to have a gentle slope and the lower half is formed to have a gentle slope.

The rice cooker 5 provided in the rice cooking chamber 44 is provided with a handle 78 for taking out, and an input port 79 is provided at the center.
There is a shuttle lid 80 having the above, and the lower end opening of the guide cylinder 69 is made to face directly above this inlet 79. Also, the rice cooking room 44
A connecting tube 82 that moves up and down in the steam exhaust chamber 57 is provided along the charging opening 56 provided in the upper surface wall 55.
The lower end of the lower part descends around the opening 79 of the lid 80 of the rice cooker 5.
By contacting, the rice cooker 5 and the charging opening 56 are connected, and further, by closing the shutter 62, the rice cooker 5 is almost sealed and ready for rice cooking. The vertical movement of the connecting cylinder 82 is linked to the opening and closing of the door 46 so that the door 46
And the connecting tube 82 are connected by a wire 84 via a pulley 83 or the like.

Nozzles 90A, 9 are used for washing and cooking water.
Supplied by 0B. That is, a water supply pipe 85 that is connected to a water source and equipped with a water meter (flow meter) 88 is branched, and one of them is communicated with a nozzle 90A facing the upper part inside the cyclone 35 through a solenoid valve 86 and a flow rate controller 87. , And the other through a solenoid valve 89 to communicate with a nozzle 90B arranged near the upper end of the discharge gutter 21. The nozzles 90 of these branch pipes may be shower nozzles, and one or both of the nozzles 90A and 90B may be provided in plural. Furthermore,
The nozzle 90A facing the inside of the cyclone 35 may be mounted tangentially to the cyclone 35.

A control unit 91 is provided on the front surface of the main body case 2.
The operation unit 92 connected to the
Various display devices are provided on the second panel, and an exhaust fan 93 is provided on the upper rear surface of the main body case 2.

Next, a specific operation in the above structure will be described. After pulling out the drawer frame 6 from the main body case 2 with the handle 11 and sticking the raw white rice into the rice storage tank 3, the drawer frame 6 is completely stored. As a result, the limit switch 12 is turned on to enable the subsequent operation. Next, the operation unit 92 is operated to select a desired amount of cooked rice, and the cooked rice completion time is set in advance or the operation start switch is operated. The amount of cooked rice is set as weight (kg) or capacity (for example, 1 to 5 squares), but in the case of capacity input, it is formed so that a weight value pre-converted for each capacity is input.

When the operation start switch is turned on (at the time of operation start in the case of reserved rice cooking), the initial states of the motors and sensors are checked, and after confirming that they are normal, The shutter motor 64 is driven to open the shutter 62. When the shutter 62 moves to the right in FIG. 4, the limit switch 72 is turned from OFF to ON by the chamfer 74 and the switch actuator 75, and turned OFF again by the chamfer 73 (the OFF and ON may be reversed). When the open state of the shutter 62 is confirmed by the OFF signal of the chamfered portion 73, the screw conveyor motor 16 starts to rotate in the normal direction, and the solenoid 71 is operated to lock the drawer frame 6 by the locking claw 68.

The rice grains in the rice storage tank 3 drop from the discharge port 8 through the discharge port 39 of the conveyor case 15 into the lower hopper 38 by the screw conveyor 14, and the weight of rice in the rice storage tank 3 is the load cell 7. , 7 (actually, the weight also includes the screw conveyor 14 and the like), the motor 16 is stopped at the time when the desired rice cooking amount is detected by a so-called discharge reduction system, and the weighing / discharging operation is completed. .. At this time, the reverse rotation timer is turned on and the forward / reverse rotation relay is operated to reversely rotate the motor 16, so that the rice grains in the vicinity of the discharge port 39 are retracted, and the reverse rotation timer is timed up in a few seconds. At the same time, the motor 16 stops. This prevents the rice grains from spilling from the discharge port 39 when the drawer frame 6 is drawn out or stored next time.

The rice grains flowing into the thrower hopper 38 are passed through the thrower pipe 36 by the thrower 37 to the cyclone 3.
Fried to 5. When the rice grains are accumulated in the cyclone 35 to some extent, the rice washing machine motor 27 is activated (the activation time is detected by a timer (not shown) or an appropriate limit switch), and the solenoid valve 86 is operated to supply water for washing rice. (Before this, the presence or absence of water supply (water pressure) is detected by the water meter 88). The water for washing rice is set by the flow rate controller 87 so as to be about 0.9 to 1.5 times (weight) the flow rate of rice supplied, and the rice and water are fed from the rice supply port 20 into the rotating rice washing cylinder 23. Flow into. At this time, dust and rice bran are poured together with the rice by the washing water flowing down while turning the inner wall surface of the cyclone 35, so that the dust and the like are not discharged from the cyclone 35 and the rice grains can be smoothly supplied. The rotating washing rice cylinder 23 spins the rice grains at the porous wall 24 by centrifugal dewatering, for example, 1600 rpm, and the screw 26 rotates in the same direction as the rotating rice washing cylinder 23 at a slightly high speed, for example, 1700 rpm, so that the rice grains are rotated. Up to the porous wall 24, the rice grains are soaked in water and subjected to the soaking (flowing) and flow / stirring action, so that the bran remaining on the surface of the rice grains is peeled off or softened to a state of being easily peeled off. When passing through the porous wall 24, centrifugal force is forcibly subjected to a dehydrating action, and the softened bran is also blown away and removed.

The rice washing screw 26 can be rotated in the direction opposite to the conveying direction of the rice washing screw 26 and at a slightly lower speed than the rotating rice washing cylinder 23. In this case, the water for washing rice is rapidly discharged. The tendency to be
Can fully soak and flow rice. Also, the washing rice screw 2
In some cases, the stirring member may be provided in No. 6.

The rice grains which have been continuously washed and drained in a short time in this manner are sequentially discharged from the rice discharge channel 22,
The dehydrated water is discharged as waste water from the drain port 32, the drain gutter 34, and the drain pipe 33. By the way, rice gutter 21
Since the rice grains falling from the lower end of the same are discharged so as to be ejected from the rotating rice washing cylinder 23, the discharge direction is not constant, and it is advisable to provide a straightening plate 94 or the like to guide the rice grains to drop as directly below as possible.

The rice grains having a substantially constant flow rate, which are led from the discharged rice gutter 21 to the straightening plate 94 and dropped, are given various directions by coming into contact with the dispersion plate 70 through the funnel-shaped portion of the guide cylinder 69, and cooked rice. It is put into the pot 5 almost evenly.

When the rice washing machine motor 27 and the electromagnetic valve 86 are stopped and the rice washing is completed and the rice is put into the rice cooker 5, the electromagnetic valve 89 is operated to discharge a predetermined amount of cooking water to the rice discharging passage 22.
Will be supplied via. The amount of water is adjusted by accumulating an accurate amount of water, which is obtained by multiplying the weight measured by the load cells 7, 7 by a preset count, by the water meter 88, and by this water supply, the discharged rice lane 22 and the above-mentioned leveling input. It also has the effect of cleaning the device. At this time, the electromagnetic valve 86 for washing water is operated for a certain period of time, and the cyclone 3
5. Water is supplied while the rotating rice washing cylinder 23 and the rice washing screw 26 are stopped or the motor 27 for the rice washing machine is driven. As a result, the insides of the cyclone 35, the rice supply gutter 20a, the rotating rice washing cylinder 23, the rice washing screw 26, and the drain gutter 34 are washed. Rotating rice washing cylinder 23 and rice washing screw 2
Washing while rotating 6 is more effective.

When the rice cooking water supply is completed, the shutter motor 64 is activated and the shutter 62 is closed. The confirmation of the closing operation of the shutter 62 is performed by the shutter limit switch 72 and the chamfering portion 74 (see FIG. 4). After soaking in the rice cooker 5 for a predetermined time, the heater 53 is turned on to start cooking rice. The rice cooking is performed based on the rice cooking menu selected by the operation unit 92, for example, rice cooking pattern control preset for each of “white rice” and “sushi rice”. The steam generated during cooking rice flows from the steam exhaust chamber 57 to the steam discharge path 58.
The temperature of the vapor is detected by the temperature sensor 59, and the amount of heat generated by the heater 53 is adjusted based on this temperature information to perform control. At that time, a part of the hot air is discharged through the hot air passage 54 so that a large amount of hot air in the rice cooking chamber 44 flows into the steam discharge passage 58 and the detected temperature does not become abnormal. The hot air rising in the hot air passage 54 is discharged from the drain gutter 34.
Through the drainage port 32 into the rotary rice-washing cylinder 23, a part of the rice reaches the cyclone 35 from the rice-supplying port 20 through the rice-supplying trough 20a, and is exhausted from the outlet, and a part of the rice discharging route. Two
The air flows down through the inside of 1 and is exhausted from the lower end, and the other part flows out through the water pipe 33. Then, with this hot air, the rotating rice washing cylinder 23 and the rice washing screw 2 previously washed
6, the cyclone 35, the rice supply gutter 20a, the discharged rice gutter 21, the drainage gutter 34, and the water distribution pipe 33 are dried. The back wall 51
The partition plate 52 provided on the upper part of the hot air flow path 5
Work to guide to 4.

When the inside of the rice cooker 5 is so-called dried up and the temperature sensor 59 detects a predetermined temperature, the heater 53 is turned on.
After being set to FF, the rice cooking is completed after a predetermined time stripping process. Completion of rice cooking is notified by a buzzer 76, a lamp or a liquid crystal process display panel 77. And the door 46
When the opening is opened, the connecting cylinder 82 is raised by the wire 84, so that the rice cooker 5 is pulled out along the rails 49, 49 by the handle 78 and is taken out to the outside by utilizing the back surface of the opened door 46.

Another embodiment will be described below with reference to FIG. However, the same members as those in the previous embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. In the horizontally installed conveyor case 15 connected to the discharge port 8 at the lower end of the rice storage tank 3, a cover 96 is provided on the upper surface near the discharge port 39, and a scattering prevention plate 97 is provided in the lower hopper 38.
As a result, when the screw conveyor 14 is reversed, rice grains in the vicinity of the discharge port 39 do not rise and are smoothly returned to the discharge port 8 side. On the other hand, since a cover is not provided near the conveyance start end of the conveyor case 15 (on the side of the motor 16), excess rice grains are raised and the rice grains are not clogged in the conveyor case 15. Further, by the scattering prevention plate 97,
The rice grains do not scatter around the sloe blade 40.

In the water supply pipe 85, which is provided in the rice washing chamber 95 at the upper stage of the main body case 2, the water amount meter 88 is connected to the main solenoid valve 98.
And the water supply pipe 85 is branched into four, and a cyclone cleaning nozzle 100, a rice washing nozzle 101, a rice discharge route cleaning nozzle 102, and a rice cooking water nozzle 103 are respectively provided at the ends of the branch pipes. Nozzles 100-103
Each of the solenoid valves 99A to 99D for water supply is installed. That is, by providing the cyclone cleaning nozzle 100 above the rice washing nozzle 101 facing the cyclone 35, the rice grains attached to the upper portion of the cyclone 35 without being washed away by the water supplied from the rice washing nozzle 101 are washed nozzles. It can be washed with water supply from 100. As described above, since the cleaning nozzle 100 is provided above the cyclone 35, the cyclone 35
The lower pipe 36 connected to is preferably formed with a high-level portion obliquely upward from the connecting portion so that water does not flow backward from the connecting portion. Further, the filter 104 is placed on the air discharge port of the cyclone 35 so that foreign matter does not fall into the cyclone 35 and the bran powder or the like is not scattered from the cyclone 35 to the surroundings. On the other hand, by providing a rice cooking water nozzle 103 facing the disperser 70 at the lower end portion of the rice discharging gutter 21 of the rice washing machine 4, after washing rice, first, water is supplied from the rice discharging passage cleaning nozzle 102 for several seconds. The inside of the passage 22 is washed, and then water necessary for cooking rice is supplied from the nozzle 103 for cooking water to the inside of the rice cooker 5, and at this time, rice grains attached to the rice discharge passage 22 and the dispersion plate 70 are introduced into the rice cooker 5. Rinse and wash these.

The lower end of the discharged rice gutter 21 is vertically installed with a slight gap with the shutter 62, and a connecting ring is slidably attached to the lower end of the discharged rice gutter 21 by its own weight so that rice grains and water do not spill from the gap. 105 is externally fitted. The opening 61 of the shutter base 60 is concentrically provided with an insertion opening 56, and the connection opening 10 is connected to the insertion opening 56.
6 is installed vertically. Further, in the connecting cylinder 106, a divergent guide cylinder 107 having a dispersion plate 70 inside is provided, and a connecting lid 108 is provided so as to be vertically movable along the outer peripheral surface of the connecting cylinder 106.

The connecting lid 108 has a cylindrical connecting portion 109 and a supporting portion 11 extending symmetrically around the connecting portion 109.
0 and 110 (see FIG. 6), the connecting portion 109 is provided concentrically with the inlet 79 of the shuttle lid 80, and each supporting portion 11
The push-up plates 112, 112 that engage with the engaging portions 111, 111 provided at the zero end portion are provided by being inserted into the guides 113 attached to the side walls 48, 48. The lower end of each push-up plate 112 is pivotally attached to the connecting plate 114, and the lower end of the connecting plate 114 is rotatably connected to one end of a link plate 116 pivotally supported by a fulcrum 115. The other end of the link plate 116 has the lever 11
It is connected to the lower part of the door 46 via 7. As a result, when the door 46 is opened, the lever 117 pivots the link plate 116 in the vertical direction, the push-up plate 112 is pushed upward, the connection lid 108 moves away from the pot lid 80, and moves upward. 5 can be taken out. When the door 46 is closed, the link plate 116 pushes up the lift plate 11.
2 is pulled down, the connecting lid 108 descends and the hook lid 80
When the shutter 62 is placed on the top and the shutter 62 is closed, the insertion port 79 of the shuttle lid 80 is closed by the shutter 62, the connecting cylinder 106, and the connecting lid 108. With the above structure, the connecting ring 105 is pushed upward to push the shutter base 60, the shutter 62, the guide cylinder 107, and the connecting cylinder 10.
8 can be easily removed, and cleaning and maintenance are easy. Other lifting means for the connecting lid 108 include:
For example, a pinion of a motor that is driven in conjunction with the door 46,
It is also possible to engage with the rack provided on the connection lid 108. Further, the rice cooking chamber 4 is provided on the back wall 51 of the rice cooking chamber 44.
An exhaust heat path 54 is formed to discharge the excess heat inside the unit 4 to the outside of the machine.

On the other hand, a drain gutter 34 for receiving drainage from the drain port 32 is provided immediately below the drain port 32 of the rice washing machine 4, and the drain pipe 11 protruding downward from the bottom of the drain gutter 34.
The lower end of 8 faces the inside of a connecting pipe 119 that connects the floor surface 121 of the rice washing chamber 95 and the upper portion of the drain pipe 33. Furthermore, the drain pipe 33
Immediately above the opening 120 at the upper end, there is provided an outlet 58a protruding from the end of the steam exhaust passage 58 to the outside of the machine. As a result, the wastewater discharged from the drainage port 32 of the rice washing machine 4 is discharged to the drain gutter 3
4, drainage pipe 3 through wastewater pipe 118 and connecting pipe 119
3 is discharged into the drainage pipe 33, and water that has condensed near the end of the steam exhaust passage 58 falls into the drainage pipe 33 from the outlet 121.
Further, the water scattered on the floor surface 121 of the rice washing chamber 95 flows from the opening of the connecting rod 119 and flows into the drain pipe 33.
Further, by opening the upper end of the drainage pipe 33, even if the drainage pipe 33 is clogged, it will not overflow from the upper end opening and will not flow back into the machine.

[0039]

As described above, according to the cleaning device of the rice washing machine of the automatic rice cooker of the present invention, the hot air generated in the rice cooking chamber equipped with the rice rice heater is passed through the hot air passage to the drain gutter of the rice washing machine. Since it is connected to, drainage gutter, rice washing cylinder, rice washing screw, hot air spreads to the rice supply passage and rice discharge passage, and can be dried,
No special drying equipment is required. In addition, by supplying washing water from above each of the washing water nozzle and the rice cooking water nozzle, the adhered rice in the rice feeding passage and the rice discharging passage is completely washed away, and the rice cooking water nozzle evenly throws in the lower portion of the rice discharging passage. The equipment can be cleaned.

When supplying water for cleaning the inside of the rice supply passage, it is preferable to drive the rice cleaning screw and the centrifugal dehydration unit.

Further, the washed and washed water, the water spilled on the floor of the washing room and the dew condensation water in the steam exhaust passage can be drained by one water pipe, and the upper end of this water pipe is opened. Thus, even if water is clogged in the pipe, it will not overflow from the opening and will not flow back into the rice washing chamber.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an embodiment of the present invention.

FIG. 2 is a partially cutaway front view of the above.

FIG. 3 is a control block diagram of the present embodiment.

FIG. 4 is a vertical cross-sectional view showing another embodiment.

FIG. 5 is a plan view of a shutter.

FIG. 6 is a perspective view of a connecting lid in FIG.

[Explanation of symbols]

 1 Automatic Rice Cooker 2 Body Case 3 Rice Storage Tank 4 Rice Washer 5 Rice Cooker 6 Drawer Frame 6a Front Wall 7 Load Cell 8 Discharge Port 9 Strain Port 10 Rail 11 Handle 12 Limit Switch for Rice Storage Tank 12a Lever 13 Tongue Piece 14 Screw Conveyor 15 Conveyor case 16 Screw conveyor motor 17 Rice washing machine base 18 Rice feeding route 19 Housing 20 Rice feeding port 20a Rice feeding gutter 21 Rice discharging gutter 22 Rice discharging route 23 Rotating rice washing cylinder 24 Porous wall 25 Bearing 26 Rice washing screw 27 Rice washing machine Motor 28 Pulley 29 Belt groove 30 Pulley 31 Belt 32 Drainage port 33 Drainage pipe 34 Drain gutter 35 Cyclone 36 Slower pipe 37 Slower 38 Slower hopper 39 Discharge port 40 Slower blade 41 Slower motor 42 Heat insulating material 43 Front wall 44 Cooking room Axis 46 Door 47 Handle 48 Side wall 49 Rail 50 Collar 51 Rear wall 52 Partition plate 53 Heater 54 Hot air passage 55 Top wall 56 Input opening 57 Steam exhaust chamber 58 Steam exhaust passage 59 Temperature sensor 60 Shutter base 61 Opening 62 Shutter 63 Rack 64 Motor for shutter 65 Pinion 66 Scattering prevention cylinder 67 Locking recess 68 Locking claw 69 Guide cylinder 70 Dispersing disk 71 Sirenoid 72 Shutter limit switch 73 Chamfering part 74 Chamfering part 75 Switch operating part 76 Buzzer 77 Process display panel 78 Handle 79 Input Port 80 Kettle lid 81 Lower end opening 82 Connecting cylinder 83 Pulley 84 Wire 85 Water pipe 86 Solenoid valve 87 Flow controller 88 Water meter 89 Solenoid valve 90 Nozzle 91 Control unit 92 Operating unit 93 Exhaust fan 94 Rectifying plate 95 Rice washing room 96 Cover -97 Anti-scattering plate 98 Source solenoid valve 99 Solenoid valve 100 Cyclone cleaning nozzle 101 Rice washing nozzle 102 Rice discharge channel cleaning nozzle 103 Rice cooking water nozzle 104 Filter 105 Connection ring 106 Connection tube 107 Guide tube 108 Connection lid 109 Connection part 110 Supporting part 111 Engaging part 112 Push-up plate 113 Guide 114 Connecting plate 115 Support point 116 Link plate 117 Lever 118 Drain pipe 119 Connecting pipe 120 Opening 121 Floor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroaki Shimizu 2-38 Saijo Nishihonmachi, Higashihiroshima City, Hiroshima Prefecture Satake Manufacturing Co., Ltd.

Claims (4)

[Claims] 1. A weight detector and a screw conveyor for discharging are provided in a lower stage of the main body case, and a withdrawable rice storage tank is provided, and the upper stage of the main body case is connected to the screw conveyor via a rice lifting machine. The rice feeding passage is provided at one end and the rice discharging passage is provided at the other end, and a rice washing cylinder that connects the rice feeding passage and the rice discharging passage is provided side by side. A rice washing room equipped with a rice washing machine that forms a centrifugal dehydration unit on the side of the rice discharge path of the cylinder is provided, and the middle case of the main body case is not a rice cooking room, and the rice opening and closing door can be opened and closed by the opening and closing door A rice cooker and heating means for the rice cooker,
In an automatic rice cooker in which an input port of a lid of the rice cooker and a rice discharging passage of the rice washing machine are connected via a leveling feeding device, the rice feeding passage has rice washing water at the time of washing rice and after rice washing. While providing a rice washing water nozzle for supplying washing water for washing the rice feeding passage, the washing pipe and the washing screw, the rice discharging passage is used for supplying rice cooking water to the rice cooker while washing the rice discharging passage after washing rice. A rice cooking water nozzle is provided, and a drainage channel is provided extending from the drainage port opposite to the centrifugal dehydration section of the rice washing machine to the outside of the main body case, and the hot air outlet opening in the rice cooking chamber and the drainage channel are hot air ducts. A cleaning device for an automatic rice cooker characterized by being connected by. 2. A weight detector and a screw conveyor for discharging are provided in the lower stage of the main body case, and a withdrawable rice storage tank is provided, and the upper stage of the main body case is connected to the screw conveyor via a rice lifting machine. The rice feeding passage is provided at one end and the rice discharging passage is provided at the other end, and a rice washing cylinder that connects the rice feeding passage and the rice discharging passage is provided side by side. A rice washing room equipped with a rice washing machine that forms a centrifugal dehydration unit on the side of the rice discharge path of the cylinder is provided, and the middle case of the main body case is not a rice cooking room, and the rice opening and closing door can be opened and closed by the opening and closing door A rice cooker and heating means for the rice cooker,
An automatic rice cooker in which an input port of a lid of the rice cooker and a rice discharge passage of the rice washing machine are connected through a leveling device, wherein rice washing water is supplied to the rice feeding passage when washing rice. A nozzle and a rice supply passage above the rice washing water nozzle, after washing rice,
A washing water nozzle for supplying washing water for washing a rice washing cylinder and a washing screw is provided, and a rice cooking water nozzle for supplying cooking water into a rice cooker while washing the leveling device after washing rice in the rice discharging passage. And a cleaning water nozzle for cleaning the inside of the rice discharge passage prior to supplying water to the rice cooking water nozzle, the cleaning device for an automatic rice cooker being provided above the rice cooking water nozzle. 3. The cleaning device for an automatic rice cooker according to claim 1, wherein the rice washing screw and the centrifugal dewatering unit are driven when water is supplied to wash the inside of the rice feeding passage after washing the rice. 4. The cleaning device for an automatic rice cooker according to claim 2, wherein a drain gutter is provided directly below a drain port opposite to the centrifugal dehydration section of the rice washing machine, while a water pipe having an upper end opened outside the main body case. Standing, providing a connecting pipe having an upper end opened on the floor surface of the rice washing room and a lower end connected to the water distribution pipe, and connecting the upper end opening of the connecting pipe and the lower end of the drain gutter in a non-contact manner,
Furthermore, the cleaning device for the automatic rice cooker, wherein the end of the steam exhaust path for exhausting steam in the rice cooker is located directly above the upper end opening of the drain pipe.