JPH09192015A - Commercial rice-washing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely clean not only a tank but also the whole agitator, by separably assembling a rice-washing tank composed of the upper and lower tanks and separating the upper and lower tanks to remove the lower tank. SOLUTION: A rice-washing tank 9 composed of the upper tank 13A and the lower tank 13B is separably assembled with a plurality of one-touch clamping metal tools 14 which are provided in the peripheral direction at the connection part of the upper and lower tanks. When an agitator 11 in the rice- washing tank 9 is cleaned, a rice-discharging valve 12 is removed, a collecting box 33 is separated, a clamping metal tool 14 is released, and the lower tank 13B is lowered down. In this way, the most part of the agitator 11 can be exposed. In this time, since the rice cooker is pulled out to the front side, the lower space to put down the lower tank 13B can be sufficiently secured and a cleaning space is formed at the whole peripheral area of the agitator 11. And hence, the cleaning work becomes easy.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a commercial rice washing device.

[0002]

2. Description of the Related Art A rice cooker for business use, which saves labor for rice cookers who have troubled human labor, is disclosed in Japanese Patent Laid-Open No. 61-206411.
No. 6, JP-A-62-26031 and JP-B-7-6
It is well known in Japanese Patent No. 5, etc., and is used in the field of large-scale rice cooking such as restaurants and sushi restaurants.

The rice washing device in this commercial rice cooking device is
An agitator is provided inside to wash the weighed rice, but an inspection window is formed on the body of the rice washing tank in order to check the state of rice washing and perform regular cleaning of the agitator. The technology that allows the lid to be opened and closed freely with a seal attached
It is proposed in Japanese Patent No. 108028.

[0004]

In the rice washing tank equipped with the above-mentioned inspection window device, the inspection window is opened and the agitator is cleaned regularly, for example, about once a month. Since the window is narrow, it was very difficult to clean the entire stirring body. In particular, since the stirring body is rotatable about the center of the vertical axis and has radial branch vanes, cleaning is regarded as difficult.

Therefore, in Japanese Patent Publication No. 7-2135 / 1995, a rice washing tank having a stirring means, a rice cooker arranged below the rice washing tank for receiving rice from the rice washing tank, and horizontally drawn out in a box body are disclosed. It is an automatic rice cooking device that is freely equipped, and the rice washing tank is provided on a pedestal that is horizontally attached to the box body so as to be freely drawn out, and the rice washing tank that is drawn out of the box body through the gantry is A technique has been proposed in which the device is detached from the gantry at the draw-out position and is detachably provided on the gantry so that it can be removed downward while the stirring means is attached to the gantry.

In this technique, stirring means (stirring body)
Although it is possible to clean the entire rice and the inside of the rice washing tank, the rice storage tank must be pulled out together with the rice washing tank (tank), and the pulling operation requires heavy labor. Therefore, there is a problem that a front space for drawing out is required and the arrangement of other kitchen equipment (refrigerator, range, etc.) is also restricted.

Therefore, according to the present invention, most of the stirring body is exposed not by pulling out the rice washing tank (rice washing tank) but by removing it downward at the mounting position, and the entire stirring body is cleaned as well as the tank is cleaned. It is also designed to ensure that cleaning can be performed.

[0008]

According to the present invention, a rice washing tank 9 having a rice discharging port 9A at a lower portion thereof is provided with an agitator 11 which is rotated around a vertical axis, so that the rice discharging port 9A can be freely opened and closed. In order to solve the above-mentioned problems, the following technical measures are taken in the commercial rice washing device provided with the rice discharging valve 12 for

That is, the rice washing tank 9 is constructed by assembling an upper tank 13A and a lower tank 13B so that they can be joined and separated, and the upper and lower tanks 1 in the rice washing tank 9 are separated.
When the lower tank 13B is detached after separating 3A and 13B, most of the stirring body 11 can be exposed. By adopting such a configuration, most of the stirring body 11 is exposed without pulling out the rice washing tank 9 with the stirring body 11 left on the upper tank 13A side, and the stirring body 11 is not only cleaned but also the stirring body 11 is exposed. The cleaning of the whole of the above has become easy (Claim 1).

Further, the rice discharge port 9A is formed in a drainage jacket 27 provided in the lower portion of the rice washing tank 9, and the drainage jacket 27 is provided with a drainage elbow 31, while the rice washing tank 9 has a drainage valve 35. Overflow elbow 3
2, the drainage elbow 31 and the overflow elbow 32 are connected to a collection box 33 having a drainage port 33A, and the drainage jacket 31 in the collection box 33 can be joined and separated. Also, the portion of the overflow elbow 32 or the like to which the scale of rice (water stain) adheres can be easily cleaned (claim 2).

Further, the lower tank 13B is removed in the downward direction, and when the lower tank 13B is removed, a cleaning space is formed on the outer circumference of the agitator 11, so that the agitator 11 can be cleaned easily. It became quick without labor (Claim 3).

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 3 (A) showing the whole of the commercial rice cooker in a side view, FIG. 3 (B) showing the plane of its main part, and FIG. 4 showing the whole of the rice cooker in front view, The rice washing device 2 and the rice cooking device 3 are coaxially arranged in that order in the vertical direction.

The rice storage device 1 has a box-shaped rice storage tank 4 having a funnel shape 4A at the bottom, and the upper opening of the tank 4 serves as a rice inlet (replenishment) port and can be opened and closed. 5, a funnel portion 4A has a lower portion with a weighing portion 7 composed of a hollow drum rotated by a motor 6, and the rice weighed by the weighing portion 7 is supplied to the rice washing device 2 through a chute 8. It is possible.

The rice washing device 2 includes a rice washing tank 9 having a rice discharging port 9A at a lower portion thereof, a stirring body 11 which is rotated about a vertical axis, and a rice discharging valve 12 which can open and close the rice discharging port 9A. Be prepared. The rice washing tank 9 is constructed by assembling an upper tank 13A and a lower tank 13B so as to be joined and separated by a one-touch clamp metal fitting 14, and the upper and lower tanks 13A and 13B in the rice washing tank 9 are separated so that the upper tank 13A is agitated. When the lower tank 13B is removed downward while leaving it with the body 11, most of the stirring body 11 can be exposed.

The rice cooker 3 is directly under the rice washing machine 2 and has a gas or electric rice cooker 16 detachably mounted on a pedestal 15 which is slidable in the front-rear direction. The rice cooker 16 has an inner pot 16A and an outer pot 16B, and in the present embodiment, the inner pot 16A can be opened and closed by a lid 16C that can be raised and lowered via an opening / closing lever 17 and a link lever 18. Is located directly below the rice discharge valve 12 and has a rice inlet 19A opened, and the rice inlet 19A can be opened and closed by a shutter 19 that slides via an arm 19B operated by a motor. .

Referring to FIGS. 1A and 1B, a rice washing device 2
The details are shown. 1 (A) and 1 (B), the upper tank 13A has an upper end flange fixed to the lower surface of the substrate 20, and the lower edge of the upper tank 13A and the upper edge of the lower tank 13B are fitted and inserted therebetween. A seal member 21 such as an O-ring is interposed, and the clamp metal member 14 is tightened to bond the seal member 21 in a watertight manner.

The clamp metal fitting 14 is used for the upper and lower tanks 13.
The metal fitting 14 is provided at a plurality of positions in the circumferential direction at the joining portion of A and 13B, and the metal fitting 14 is composed of a clamp lever 14B pivotally supported by the bracket 14A and a ring-shaped connecting body 14C pivotally attached to the clamp lever 14B. Clamp lever 14B with connecting body 14C engaged with engaging hook 14D
Is rotated in the tightening direction to become a joining posture, and in the opposite direction to become a separating posture. In the figure, the clamp lever 14B is provided in the upper tank 13A.
It may be provided in the lower tank 13B.

A bearing 22 is fixed to the substrate 20 at the longitudinal center of the rice washing tank 9 having a cylindrical shape, and a support shaft 23 of the agitator 11 is rotatably supported by the bearing 22. . A bevel gear transmission 24 connected to a motor is provided on the upper portion of the support shaft 23, and the stirring member 11 having the stirring rods 11A provided in the support shaft 23 in a radial arrangement is rotated about the vertical axis. It is possible to wash and polish rice in the tank 9, the stirring rod 11A extends horizontally, and extends vertically from the extended end thereof to follow the shape of the inner wall of the rice washing tank 9. It enables uniform washing or polishing of rice.

The support shaft 23 is a cylindrical shaft, and a valve rod 25 is slidably pierced therein, and the rice discharge valve 12 is attached to the lower portion of the valve rod 25. By moving 25 up and down by crank arm means 26, etc., the rice discharge valve 1
2 can open and close the rice discharge port 9A. A cylindrical drainage jacket 27 is attached to a lower portion of the rice washing tank 9, the rice discharge port 9A is substantially formed in the drainage jacket 27, and a sealing material 28 is attached around the rice discharge port 9A. The rice discharging valve 12 is used to close the rice discharging port 9A in a watertight manner during the rice washing operation and the rice polishing operation.

The drainage jacket 27 is internally provided with a filter cylinder 29 made of punching metal coaxial with the rice discharge outlet 9A and having a diameter larger than that of the rice discharge port 9A, stainless steel wire mesh, etc., and is connected to a pressure water system such as water supply. During the washing of rice by supplying water from the nozzle 30, foreign matters are discharged to the drain elbow 31, but rice grains are prevented from passing through. An overflow elbow 32 is connected to the upper tank 13A of the rice washing tank 9 through an overflow port 32A.
2 extends downward as a vertical direction and is connected to the collecting box 33 together with the drain elbow 31.

The collecting box 33 is formed as a rectangular box,
The drain valve 35 is fixed to the machine frame 34 and has a drain port 33 </ b> A to which a drain hose is connected at the bottom or side wall thereof, and a drain elbow 31 that can be opened and closed inside.
Is provided. The drain valve 35 is slidably supported by a valve guide 35A, is biased in a valve opening direction by a coil spring 35B, and is pressed against the coil spring 35B by a bell crank-shaped arm 36 to push the drain elbow 31. The arm 36 can be closed, and the arm 36 is connected to the overflow control unit 37 provided on the base 20 by a wire 38.
Are linked by

The collecting box 33 can be joined and separated into a box body 33B having a drainage port 33A and a support portion of an arm 36 and a box body 33C having a drainage valve 35, and the joining and separating edge 33D thereof is the clamp described above. It can be joined by a clamp fitting 14 having the same configuration as the fitting 14, and the box 33B is fixed to the machine frame 34. Further, the drainage jacket 27 is attached to the lower portion of the rice washing tank 9 by the clamp metal fitting 14 having the same structure as the above-mentioned clamp metal fitting 14 so as to be joined and separated.

Referring to FIGS. 2A and 2B, the rice discharge valve 1
2 is a conical shape having a boring portion 12A,
It is removably attached to the lower part of the unit by a one-touch fitting 39. The one-touch metal fitting 39 is a pair of folding plate metal fittings 41, 42 which are internally provided in the boring portion 12A and are urged in directions away from each other by a spring 40 such as a coil spring.
And the overlapping portion 41A of the folding plate metal fittings 41, 42,
42A has keyhole-shaped mounting holes 41B and 42B, and the head 25A of the valve rod 25 can be engaged with and disengaged from the mounting holes 41B and 42B.

That is, when the knobs 41C and 42C of the pair of folding plate metal fittings 41 and 42 are brought closer to each other against the spring 40, the large diameter portions of the mounting holes 41B and 42B are moved to the head 25.
It is possible to pass through A, and in this state the rice discharge valve 12 can be pulled out downward from the valve rod 25, and conversely, the head with the large diameter portions of the mounting holes 41B, 42B aligned. 25A
When the knobs 41C and 42C are separated from each other by the spring 40, the small diameter portions of the mounting holes 41B and 42B are engaged with the head 25A by the spring 40 so that the rice discharge valve 12 can be mounted on the valve rod 25. The valve 12 can be easily attached and detached as compared with the one attached in.

Next, in the above rice cooker, weighing, washing rice,
One form of cooked rice will be outlined and the maintenance of the rice washing device 2 will be referred to. With the rice discharge valve 12 closed (see FIG. 1 (A)), the metering unit 7 of the rice storage device 1 is activated, a predetermined amount of rice is charged into the rice washing tank 9, and water is supplied from the water supply nozzle 30. The rice is washed by continuously driving the stirring body 11.

At this time, the drain valve 35 closes the elbow 31, and the excess water flows from the overflow port 32A to the elbow 3.
2. A drainage port 33A together with the bran through the collecting box 33, etc.
Is released from the aircraft. When the predetermined rice washing process is completed, the water supply nozzle 30 is stopped and the drain valve 35 is opened, so that the water in the rice washing tank 9 is drained all at once through the elbow 31, and at this time, the rice is captured by the filter tube 29, The bran and the like are discharged to the outside of the machine and proceed to the so-called colanding process.

At the time of raising the strainer, it is possible to go through a rice polishing process by slowly rotating the stirring body 11. After completion of the straining of the strainer, the crank arm 26 is operated to lower the valve rod 25. By doing so, the rice discharge valve 12 is opened, and the washed rice is thrown into the inner pot 16B of the rice cooker 3 while being radially diffused by the rice discharge valve 12. Inner pot 16
After pouring rice into B, water is added and subtracted through the water supply nozzle 30, and then the shutter 19 is closed to go through a predetermined soaking process and then a rice cooking process. The lid 16C is lifted by the lever 17 and the rice cooker is pulled out forward.

Next, the maintenance of each part will be explained. When individually cleaning the surroundings of the filter tube 29, the rice discharging valve 12 is released by releasing the one-touch fitting 39 described above.
If it is removed from 5, the maintenance can be performed through the rice discharging port 9A, and the seal 28 can be replaced. For maintenance of the drainage jacket 27, the collection box 33 and the like, the clamp metal fitting 14 can be released to remove it downward from the rice washing tank 9 and the like.

In the cleaning of the stirring body 11 in the rice washing tank 9, the rice discharging valve 12 is removed and the lower tank 13B is lowered with the collecting box 33 separated to expose most of the stirring body 11. Made in. At this time,
By pulling the rice cooking device 3 forward, a sufficient space for lowering the lower tank 13B can be secured,
A cleaning space is formed around the entire circumference of the stirring body 11 to facilitate the cleaning work.

[0030]

As described in detail above, according to the present invention,
By removing the rice washing tank downward, maintenance of the entire stirring body becomes easy.

[Brief description of the drawings]

FIG. 1 shows a rice washing apparatus of the present invention, (A) is a side view,
(B) is a sectional view of a clamp portion.

FIG. 2 shows a rice discharge / drainage section, (A) is a front view of a partial cross section, and (B) is a bottom view of a rice discharge valve.

FIG. 3 shows a rice cooker for business use, (A) is an overall side view,
(B) is a plan view of a shutter portion.

FIG. 4 is an overall front view of a commercial rice cooker.

[Explanation of symbols]

 9 Rice washing tank 11 Stirrer 12 Rice discharging valve 13A Upper tank 13B Lower tank

Claims (3)

[Claims] 1. A stirrer (11) which is rotated about the vertical axis in a rice washing tank (9) having a rice discharge port (9A) at the bottom.
In a commercial rice washing device comprising a rice discharging valve (12) for opening and closing the rice discharging port (9A), the rice washing tank (9) includes an upper tank (13A) and a lower tank (13B). And the upper and lower tanks (13) of the rice washing tank (9).
(A) (13B) is separated, and when the lower tank (13B) is removed, most of the stirring body (11) can be exposed, and a commercial rice-washing apparatus. 2. The rice discharging port (9A) is formed in a drainage jacket (27) provided at the bottom of the rice washing tank (9), and the drainage jacket (27) is provided with a drainage elbow (31).
On the other hand, the rice washing tank (9) is provided with an overflow elbow (32) having a drain valve (35), and the drain elbow (31) and the overflow elbow (32) are connected to the drain port (3).
3A) is connected to a collecting box (33), and the drainage jacket (31) in the collecting box (33) can be joined and separated. . 3. The removal direction of the lower tank (13B) is downward, and when the lower tank (13B) is removed, a cleaning space is formed on the outer periphery of the stirring body (11). Item 3. A commercial rice washing device according to item 1 or 2.