JP2003126712A - Rice washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the rice fed from a rice feed port from being splashed in a rice washing chamber for washing the rice by the stream of the air flowing through a rice feed port into the rice washing chamber with a rice washer which is provided with the rice feed port for feeding the rice into the rice washing chamber on the top surface side of the rice washing chamber, conveys the rice by the stream of the air flowing from the rice feed port into the rice washing chamber by sucking the air in the rice washing chamber and drops and feeds the rice from the rice feed port into the rice washing chamber. SOLUTION: This rice washer is provided with a rice splashing preventive guide 42 which has right and left side walls 43, an inclined bottom wall 44 shifting downwardly toward the front and a back wall 45 and is opened at the front. This rice splashing preventive guide 42 is arranged in proximity to a vertical wall surface 17 so as to cover the rice feed port 40 by the right and left side walls 43, the bottom wall 44 and the back wall 45 such that the rice is dropped and fed from the rice feed port 40 to the rice splashing preventive guide 42.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, an automatic rice washing machine for automatically weighing rice stored in a rice storage, washing the rice, adjusting the amount of water and discharging the rice, or storing the rice in the rice storage. The present invention relates to a rice washing device adopted in an automatic rice cooker or the like that automatically measures the amount of rice that has been washed, adjusts the amount of water, feeds the rice to a rice cooker, and cooks the rice.

[0002]

2. Description of the Related Art Conventionally, a rice storage for storing rice and a rice washing room for washing rice are provided, and the rice in the rice storage is weighed and supplied to the rice washing room. Japanese Patent Laid-Open No. 10-26310 discloses an automatic rice washing device which is used for washing rice, adjusting the amount of water, and dropping and supplying the rice to an inner pot of a rice cooker arranged on the lower side of a rice washing room.
No. 422 is disclosed. This rice washing device is equipped with a blower that sucks air in the rice washing chamber to create a negative pressure in the rice washing chamber, and also has a weighing rice storage chamber that receives and stores rice that has been weighed and discharged from the rice storage, and a rice washing machine. The chamber is communicated with a rice transport pipe or the like, and a negative pressure is applied to the rice washing chamber by the blower, so that the rice in the weighing rice storage chamber is transported to the rice washing chamber by an air flow.

[0003]

In the above-mentioned conventional apparatus, since the rice is carried into the rice washing chamber by the air flow, the carrier air flowing into the rice washing chamber becomes turbulent in the rice washing chamber, whereby Rice is scattered in the washing room. For this reason,
There is a problem in that rice collides violently inside the washing room, causing rice cracking. When rice cracks, it causes crushed rice, which affects how rice is cooked. In addition, when the rice washing device is operated continuously, there is a problem that the rice adheres to and remains on the ceiling surface and the vertical wall surface of the rice washing room due to water droplets attached to the ceiling surface and the vertical wall surface of the rice washing room in the previous operation. is there.

Further, there is also a problem that rice is sucked from an intake port for sucking air in the rice washing chamber, resulting in loss of rice. Therefore, in view of the above problems, the present invention prevents the rice conveyed into the rice washing chamber from being scattered by the air flow flowing into the rice washing chamber by sucking the air in the rice washing chamber. It is an object of the present invention to provide a rice washing device having such a structure.

[0005]

[Means for Solving the Problems] Technical means taken by the present invention to solve the technical problems include a rice washing room for washing rice, and rice supply for supplying rice into the rice washing room. In the rice washing device, which is provided with a mouth and conveys the rice into the rice washing chamber by the air flow flowing into the rice washing chamber from the rice feeding port by sucking the air in the rice washing chamber, The rice supplied from the rice is prevented from scattering in the rice washing chamber by the air flow flowing into the rice washing chamber through the rice supply port, and a rice scattering prevention guide for guiding the rice downward is provided. And

[0006] Another technical means is to provide a rice washing room for washing rice, and a rice supply port for supplying rice into the rice washing room is provided on the upper surface side of the rice washing room to provide air in the rice washing room. In the rice washing device that conveys rice by the air flow flowing from the rice supply port into the rice washing chamber by sucking the rice, and drops the rice into the rice washing chamber from the rice supply port It has an inclined bottom wall that moves downwards and a back wall, and a rice scattering prevention guide whose front is open. This rice scattering prevention guide is used for the left and right side walls, the bottom wall and the back wall. It is placed close to the rice scattering prevention guide so that the front of the rice scattering prevention guide faces the vertical wall of the rice washing room, and the rice is dropped and supplied from the rice scattering prevention guide into the rice scattering prevention guide. It is characterized by doing so.

Further, it is preferable that the lower part of the front side of the rice scattering prevention guide is cut in a slanted shape so as to move downward from the front end toward the back side. Further, it is preferable that the width between the left and right side walls of the rice scattering prevention guide becomes gradually wider toward the front side. Further, the inner surface of the rice scattering prevention guide is preferably covered with a rubber-like elastic body.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. In FIGS. 1 to 3, reference numeral 1 denotes an automatic rice washing machine for automatically measuring the stored rice, washing the rice, adjusting the amount of water, and discharging the rice under microcomputer control. This rice washing machine 1 has a rice storage 2 for storing rice,
Equipped with a weighing machine 3 for weighing the rice in the rice storage 2, a rice washing tank 4 for washing the weighed rice, a rice transporting means for transporting the weighed rice into the rice washing tank 4, and these. The main body frame 6 is provided.

The main body frame 6 is provided with a lower case 10 at the lower part of a pair of left and right hollow columns 9 rising upward from the rear end of the base member 8 and an upper case 11 at the upper part of the left and right columns 9. It is configured. A rice storage 2 is provided in an upper part of the lower case 10, and a weighing device 3 and a weighing rice storage case 12 for storing the rice measured by the weighing device 3 are provided in a lower part of the lower case 10. The blower 13 (or other blower, suction means, etc.) is provided.

The rice storage 2 has a tubular shape with a rectangular upper portion,
The lower part has a downwardly tapered funnel shape, the weighing device 3 is disposed at the lower end, and the weighing rice storage case 12 is disposed below the weighing device 3. An operation panel 31 is provided on the front surface of the upper case 11, and the amount of rice to be washed (to be cooked) can be input by the operation panel 31, and the input amount of rice is stored in the rice storage 2 It is configured to be weighed from inside by the weighing device 3 and discharged to the weighed rice storage chamber in the weighed rice storage case 12.

The upper portion of the rice storage 2 is closed by a lid body 14 which can be opened and closed. This lid body 14 (lower case 10)
Is a mounting table for mounting the inner pot 15 (or a container such as a bucket or a trough) of the rice cooker. A detection means 16 for detecting whether or not the inner pot 15 or the like is at a predetermined position on the lower case 10 is provided in the middle of the left and right columns 9 in the vertical direction. The detection means 16 is composed of a limit switch or the like. The rice washing tank 4 has a cylindrical upper part and a lower part in a funnel shape tapering downward, and is formed in an upper and lower open shape,
The inside is a rice washing room 17 for washing rice.

The rice washing tank 4 has an upper case 1 having an upper opening.
It is detachably attached to the upper case 11 by a fastener so as to be closed by the lower surface of 1. The lower surface of the upper case 11 constitutes the ceiling surface 17a of the rice washing chamber 17, and
The inner surface of which constitutes the vertical wall surface 17b of the rice washing room 17. A drainage jacket 19 is provided in the lower portion of the rice washing tank 4, and a filter body 2 made of a net or punching metal or the like that allows rice bran and water to pass through but does not allow rice to pass through is provided in the drainage jacket 19.
0 is provided.

Further, the drainage jacket 19 has a drainage pipe 2
A drainage box 22 is connected through the drainage box 1, and an opening / closing valve 18 for opening and closing the end opening of the drainage pipe 21 is built in the drainage box 22. Further, a water discharge pipe 23 is connected to the drain box 22, and the water in the rice washing tank 4 (rice washing chamber 17) passes through the filter body 20 and is discharged from the drain jacket 19 to the drain pipe 21, the drain box 22, Water discharge pipe 2
It is possible to drain after going through 3. A rice discharge port 24 is formed in the lower portion of the rice washing tank 4, and the rice discharge port 24 can be opened and closed by a rice discharge valve 25.

The rice discharge valve 25 has a conical shape and is attached to the lower end of a valve shaft 26 vertically arranged at the center of the rice washing tank 4, and the upper end of the valve shaft 26 is separated from the rice washing tank 4. It protrudes into the upper case 11, and is connected to a valve drive unit having a cam, a crank mechanism, a motor, etc. By the operation of this valve drive unit, the valve shaft 26 and the rice discharge valve 25 can be vertically moved up and down, and the rice discharge When the valve 25 is lowered, the rice discharging port 24 is opened, and when the rice discharging valve 25 is raised, the rice discharging port 24 is closed so that rice, water and air do not leak out. The rice washing chamber 17 is provided with a stirring means 27 for stirring rice and a water supply nozzle 28 for supplying water into the rice washing chamber 17.

The stirring means 27 is a ceiling surface 17 of the rice washing room 17.
A (a lower wall of the upper case 11) includes a rotating shaft 29 rotatably supported around a vertical axis, and an agitator 30 attached to the rotating shaft 29. The rotary shaft 29 is formed in a tubular shape, and the valve shaft 26 is inserted into the rotary shaft 29 so as to be vertically slidable and relatively rotatable. Also,
The upper end of the rotary shaft 29 is connected to a stirring drive unit in the upper case 11, and is driven to rotate about the axis by the stirring drive unit.

The stirrer 30 is formed of a solid or hollow rod, and a plurality of stirrers 30 are provided radially with respect to the rotating shaft 29. A plurality of the water supply nozzles 28 are provided on the ceiling surface 17a of the rice washing room 17. In the present embodiment, the water supply nozzles 28 are constituted by shower nozzles and are connected to a pressure water source such as a water supply tank or a water storage tank via a water pipe or a hose. Has been done. The water distribution pipe is provided with an opening / closing valve such as an electromagnetic valve, and the opening / closing valve is controlled by the control device of the rice washing machine 1.

A drain port (overflow port) 32 communicating with the drain box 22 is provided in the upper portion of the vertical wall surface 17b of the rice washing chamber 17 so that the water in the rice washing chamber 17 can be drained from the upper portion. . In this rice washing machine 1, a rice washing step of stirring rice with the stirring means 27 while shower water is supplied to the rice in the rice washing chamber 17 with the opening / closing valve 18 opened, and polishing rice in which the water supply is stopped and only stirring is performed. The process is repeated, and water is supplied with the opening / closing valve 18 closing the end opening of the drain pipe 21 in order to flow the floating dust at the end.
An overflow process is performed in which water is drained from the drainage port 32 in the upper part of the rice washing chamber 17, after which the water supply is stopped and the water is drained from the drain pipe 21, and then the on-off valve 18 is closed to supply water control water and the rice drainage valve 25. Open to remove rice to the inner pot 15 etc.

At this time, the bottom of the rice washing chamber 17 and the agitator 3
Rice is discharged while stirring so that residual rice does not occur on the horizontal bar part of 0, etc. Further, when there is no container such as the inner pot 15 below the rice washing tank 4, the rice is not discharged, and the standby is performed.
When the inner pot 15 and the like are detected by 6, the rice is discharged. If there is no inner pot 15 or the like below the rice washing tank 4, the water is not adjusted, and the open / close valve 18 is kept open and the shower water is supplied from time to time. A rice cooker may be mounted on the lower case 10 instead of the inner pot 15, etc.
In this case, it is possible to configure an automatic rice cooker that automatically measures from measuring rice to washing rice and cooking rice under microcomputer control.

Next, a rice conveying means for conveying the rice measured and discharged from the rice storage 2 to the rice washing chamber 17 will be described. The rice transport means includes the blower 13, a rice supply pipe 34 provided on the ceiling surface 17 a of the rice washing chamber 17, and a suction case 35 arranged on the side of the rice washing tank 4. Rice supply pipe 3
4 is connected to the inside of the weighing rice storage case 12 by the rice transport path 36, and the suction chamber 37 in the suction case 35 is connected to the suction path 38.
Is connected to the suction side of the blower 13 and is connected to the drain port 32 of the rice washing chamber 17 by a hose 39, etc.
The discharge side of the blower is connected to the weighing rice storage case 12.

Then, the blower 13 is operated to operate the suction chamber 3
When the air of No. 7 is sucked, the air in the rice washing chamber 17 is sucked from the drainage port 32 and the rice washing chamber 17 becomes a negative pressure, and the rice transport path 3
The rice in the weighed rice storage case 12 is conveyed to the rice washing chamber 17 by the airflow flowing into the rice washing chamber 17 through the rice 6 and the rice supply pipe 34. In the rice washing machine 1 of the present embodiment, the drainage port 32 also serves as a suction port for sucking the air in the rice washing chamber 17. Further, the air sucked into the blower 13 is exhausted into the weighing rice storage case 12, and is circulated to the blower 13 through the rice washing chamber 17 and the suction chamber 37.

Therefore, outside (installation place such as in the kitchen)
Blower 1 because it does not breathe air with moisture or oil
The air circulation path from the discharge side to the suction side of No. 3 can be prevented from being contaminated or clogged, and insects can be prevented from entering. In addition, since the air dried by the operating heat of the blower 13 circulates, moisture and oil are attached to the wall surface of the path from the weighing rice storage case 12 to the rice washing room 17,
No broken rice, rice grains, bran, etc. will adhere to it.
The rice feeding pipe 34 penetrates the lower wall of the upper case 10 and is arranged and fixed so that the axial direction is along the vertical direction. The lower end portion of the rice feeding pipe 34 is for feeding rice into the rice washing chamber 17. The rice supply port 40 is referred to as a supply port 40, and the rice supply port 40 faces downward (is directed downward).

Further, the rice supply pipe 34 is arranged at a position relatively distant (away from) the drain port 32 in the middle portion between the center of the rice washing chamber 17 and the vertical wall surface 17b. The rice transport path 36 is composed of pipes, hoses, joints, etc.,
From the lower case 11 to the inside of the upper case 10 through one of the left and right columns 9, the upper case 10 is connected to the rice supply pipe 34. In the case where the rice is conveyed into the rice washing chamber 17 by the air flow as described above, conventionally, the carrier air flowing into the rice washing chamber 17 is turbulent in the rice washing chamber 17, whereby the rice is washed. If the rice scatters inside the rice washing room 17 and the rice violently hits the inside surface of the rice washing room 17 and cracks the rice, or if the rice washing machine 1 is continuously operated, the ceiling surface 1 of the rice washing room 17 is
7a and the vertical wall surface 17b cause water droplets to adhere to and remain on the ceiling surface 17a and the upper portion of the vertical wall surface 17b of the rice washing chamber 17, or the rice is sucked from the drain port 32 for sucking air in the rice washing chamber 17. There was a problem that rice loss would occur due to this.

Therefore, in the rice washing machine 1 of the present embodiment, the rice discharged from the rice supply port 40 is prevented from scattering below the rice supply port 40 in the rice washing chamber 17, and
A rice scattering prevention guide 42 for guiding the rice downward is provided. This rice scattering prevention guide 42 is shown in FIGS.
As shown in FIG. 5, a chute type is adopted, which has left and right side walls 43, a bottom wall 44 and a back wall 45, and has an open upper surface and front surface. The bottom wall 44 has an inclined shape that moves downward as it goes to the front,
It is formed in a downward arc shape when viewed from the front side.

The left and right side walls 43 are formed so that the distance between them gradually increases toward the front.
Further, the lower portion of the front side of the rice scattering prevention guide 42 is cut into an inclined shape that moves downward from the front end portion toward the back side. Further, an elastic body such as silicone rubber 46 is attached (covered with an elastic body) to the inner surface (the left and right side walls 43, the bottom wall 44, the back wall 45) of the rice scattering prevention guide 42.

The rice scattering prevention guide 42 is provided in the rice supply port 4
0, and the front is the vertical wall 17b of the washing room 17
And is arranged so that the upper surface thereof is closed by the ceiling surface 17a of the rice washing chamber 17, and is attached to the ceiling surface 17a of the rice washing chamber 17. The rice scattering prevention guide 42 is disposed close to the vertical wall surface 17b of the rice washing chamber 17, and in the present embodiment, the front end of the rice scattering prevention guide 42 and the rice washing chamber 1
The gap L with the vertical wall surface 17b of 7 is 5 mm. Further, the rice scattering prevention guide 42 may be fixed to the ceiling surface 17a of the rice washing chamber 17 by screws, but it can be easily attached and detached by sliding horizontally so that maintenance can be easily performed. Has become.

That is, the attachment pieces 47 are provided on the outer surface upper portions of the left and right side walls 43 and the back wall 45.
7 is formed in an L-shape from an upper wall 47a and a vertical wall 47b, the vertical wall 47b is fixed to the outer surfaces of the left and right side walls 43 and the back wall 45, and the upper wall 47a has an opening-like engagement facing the rear side. A mating groove 48 is formed. On the other hand, the ceiling surface 1 of the rice washing room 17
As shown in FIG. 15, a locking portion 49 having a shaft portion 49a extending downward from the ceiling surface 17a and a head portion 49b provided at the lower end of the shaft portion 49a is provided on the 7a. It is provided.

The shaft portion 49a is insertable into the engaging groove 43, the head portion 49b is formed to have a diameter larger than the groove width of the engaging groove 43, and the shaft portion 49a is inserted into the engaging groove 43. By sliding the rice scattering prevention guide 42 in the horizontal direction, the rice scattering prevention guide 42 can be easily attached. The attachment / detachment of the rice scattering prevention guide 42 is performed with the rice washing tank 4 removed. The rice scattering prevention guide 42 may have an upper wall. In this case, a hole for inserting the rice supply pipe 34 or a hole communicating with the rice supply port 40 is formed in the upper wall. .

The rice conveyed from the metered rice storage case 12 and discharged from the rice supply port 40 is prevented from being scattered by the left and right side walls 43, the bottom wall 44 and the back wall 45 of the rice scattering prevention guide 42. After moving (sliding or rolling) to the front side on the bottom wall 45, the rice fell satisfactorily downward from the cut portion at the lower part of the front side, and the rice was hardly sucked from the drain port 32. In addition, rice scattering prevention guide 42
Since the elastic body 46 is attached to the inner surface of the, the impact force when the rice hits the inner surface of the rice scattering prevention guide 42 is mitigated,
It can prevent rice cracking.

The space inside the rice scattering prevention guide 42 is
Since it spreads toward the front side, the air flow and the flow velocity of rice are slowed down, so that the rice travels along the bottom wall 45 of the rice scattering prevention guide 42 and falls downward. In addition, most of the air discharged from the rice scattering prevention guide 42 from the rice supply port 40 escapes from the cut portion on the lower front side, and a part of the air exits the vertical wall surface 1 of the rice washing chamber 17.
Although it will escape from the gap L with 7b, this rice washing room 1
When the gap L between the vertical wall surface 17b of No. 7 and the longitudinal wall surface 17b is enlarged too much, the experimental result that the rice rides on the air flow and the rice is sucked from the drain 32 is obtained.

A nozzle type shown in FIG. 16 and a mesh type shown in FIG. 17 can be considered as the rice scattering prevention guide. In the nozzle type, a horizontally bent nozzle 51 is attached to the rice supply port 40, and the mouth 51a of the nozzle 51 is directed in a direction that intersects diagonally with the vertical wall surface 17b of the rice washing chamber 17. In the case of the net type, a guide net 52, which is formed into a truncated cone shape with a net or punching metal or the like facing downward, covers a ceiling surface 17a of the rice washing chamber 17 so as to cover the rice supply port 40. And a guide 53 formed by bending the guide net 52 in a mountain shape is provided at the lower end of the guide net 52.

The nozzle type had a high rate of rice cracking and high rice loss. In addition, the net type has a low rate of rice cracking and almost no loss of rice, but when the rice washing machine is continuously operated, the guide net 52 may be clogged with rice grains or bran. found. As shown in FIGS. 1 and 4 to 7, a filter 54 is provided above the suction chamber 37 inside the suction case 35, and a drainage inlet 55 is provided below the suction case 35 (suction chamber 37).
And a drainage outlet 56 are provided.

The drainage outlet 56 is provided at the lower end of the suction case 35, is directed downward, and is connected to the drainage box 22 located below it. Drainage inlet 55
Is located above the drain outlet 56, is directed obliquely upward, and is connected to a connection pipe 57 of the rice washing tank 4 communicating with the drain 32 via a hose 39. Therefore, the drainage overflowing from the drainage port 32 flows into the lower portion of the suction chamber 37 from the drainage inlet 55 through the hose 39, flows out from the drainage outlet 56, and is drained from the discharge pipe 23 of the drainage box 22. .

The bottom of the suction case 35 is formed in a tapered shape (mortar shape) toward the bottom so that the inflowing drainage flows favorably to the drainage outlet 56. As shown in FIG. 9, the on-off valve 1 provided in the drain box 22
Reference numeral 8 has a valve body 59 for opening and closing the connection port 58 of the drainage pipe 21 to the drainage box 22, and a horizontal valve rod 60 having the valve body 59 attached to one end thereof. 22 is supported by a bracket 61 so as to be slidable in the axial direction. A biasing member 62 made of a compression coil spring is fitted over the valve rod 60, and the biasing member 62 is
Is a bracket 63 and a bracket 63 provided on the other end of the valve rod 60.
Compressed between 1 and 1.

As a result, the drain pipe 21 is attached to the valve body 59.
The urging force in the direction to open the is provided. The opening / closing valve 18 is opened / closed by an opening / closing mechanism 64. The opening / closing mechanism 64 is a substantially L-shaped crank body 65 arranged in the drain box 22.
And an operating tool 66 for operating the crank body 65, and a drive unit 67 (see FIG. 1) for driving the operating tool 66. One end of the crank body 65 is the receiving member 6 of the valve rod 60.
3, the middle part is swingably supported by the drainage box 22 via a support shaft 68.

The drive unit 67 is provided in the upper case 11, a connection pipe 69 is provided at the upper end of the suction case 35, and a pipe body 70 reaching the lower surface of the upper case 11 is connected to the connection pipe 69. Has been done. The operation tool 66 is composed of a wire, a thin rod, or the like, passes from the drainage box 22 through the suction chamber 37 and the pipe body 70, and passes through the upper case 11.
Is vertically arranged so as to reach the drive unit 67 through the lower wall of the crank body 65, the lower end of which is connected to the other end of the crank body 65 and the upper end of which is interlocked with the drive unit.
It reciprocates up and down by 7.

The vertical movement of the operating tool 66 causes the crank body 65 to swing, thereby opening and closing the on-off valve 18. Further, in the drain box 22, the valve body 7 for opening and closing the drain outlet 56 of the suction case 35 is opened.
1 is provided. The valve body 71 is made of a light plate material such as a synthetic resin material, is mounted on the crank body 65, and opens and closes the connection port 72 of the drainage box 22 connecting the drainage outlet 56.

The operating element 66 is attached to the valve body 71.
Is pierced vertically, and is vertically moved by using the operation tool 66 as a guide. In this case, when the water is drained from the drain port 32, the valve body 72 is located below the connection port 72, the drain outlet 56 is opened, and the rice is washed in the rice washing room. When transporting to the blower 17, the blower 1 with the drain pipe 21 closed by the open / close valve 18
When 3 is operated to suck the air in the suction chamber 37, the valve body 71 is sucked up and sticks to the upper surface of the drainage box 22, and the drainage outlet 56 (connection port 72) is closed.

On the upper part of the suction case 35, a connection pipe portion 73 for connecting the suction passage 38 is formed in the horizontal direction, and a filter insertion port 74 is formed so as to face the connection pipe portion 73.
Are formed. The suction passage 38 is composed of a pipe, a hose, a joint, etc., passes from the lower case 11 through the other left and right support columns 9 into the upper case 10, is inserted from the upper case 10 to the outside, and is connected to the suction case 35. It is connected to the pipe portion 73. The filter 54 is formed of a mesh or a punching metal into a cylindrical shape with both ends open in the axial direction. The tubular body 75 is fitted to one end in the axial direction and the cap body 76 is fitted to the other end. , Is inserted into the suction chamber 37 from the cylindrical body 75 side through the filter insertion port 74,
By fitting and holding the tubular body 75 in the mouth portion 73a inside the connection pipe portion 73 and fitting and holding the cap body 76 in the filter insertion opening 74, the filter 54 can be easily and removably mounted. It is configured.

In this case, the air in the rice washing chamber 17 flows from the drain port 32 to the suction chamber 37, passes through the eyes of the filter 54, and from the tubular body 75 to the connecting pipe portion 73 and the suction passage 38.
The blower 13 is sucked in through.
In the rice washing machine 1, as described above, the rice scattering prevention guide 42 prevents the rice grains from being sucked from the drain port 32, but the rice grains may be sucked. Further, the rice always contains crushed rice generated during rice polishing or transportation, and the crushed rice may be sucked from the drainage port 32.

The bran may be sucked from the drainage port 32. The passage of these rice grains, broken rice, and bran is blocked by the filter 54, and only air is flown to the blower 13. Further, since the dried air is circulated by the operating heat of the blower 13, the broken rice etc. adhered to the filter 54 during the operation of the blower 13 is separated from the filter 54 and drops downward after the blower 13 is stopped. The broken rice and the like that have dropped downward are discharged from the suction chamber 37 by overflow water.

Therefore, it is not necessary to remove the broken rice or the like blocked by the filter 54, and cleaning of the filter 54 is hardly required. The cap body 76 is
The cap body 7 that is fitted to the filter insertion port 74 in an airtight manner
6a and a fitting portion 76b to which the filter 54 is fitted. A groove in the direction of inserting the filter 54 and a groove in the circumferential direction are formed on the outer peripheral surface of the filter insertion port 74, and a locking claw is provided on the cap body 76, so that the filter 7
When inserting 5 into the filter insertion opening 74, the locking claw of the cap body 76 is fitted into the groove in the insertion direction of the filter insertion opening 74, and after inserting the filter 75, rotate the cap body 76 together with the filter 75. As a result, the locking claw is fitted in the circumferential groove to prevent the filter 54 from coming off.

Further, a protrusion for restricting the return of the locking claw is provided in the circumferential groove of the filter insertion port 74, and when the cap 76 is rotated, the cap 76 is elastically deformed and locked. The cap body 76 is allowed to rotate when the claws pass over the protrusion. The cylinder 75 is shown in FIG.
And as shown in FIG. 8, the mouth portion 73 inside the connecting pipe portion 73
a cylindrical insertion portion 77 that is inserted and fitted in a, and a filter 54
And a cylindrical inlet port 78 that allows the air that has passed through the filter 54 to circulate and communicates with the insertion portion 77.

The intake port 78 is formed to have a diameter smaller than that of the fitting portion 79, is located inside the fitting portion 79, and is connected to the fitting portion 79 over the entire circumference on the axially inner side. Mouth 78
And a fitting portion 79 between the water receiving portion 80 formed of an annular groove.
Are formed. Further, the intake port 78 projects outward in the axial direction from the fitting portion 79. Although the filter 54 is arranged at a high position so that the drainage is not applied, water may adhere to the filter 75, and if the tubular body 75 has a simple tubular shape, the water attached to the filter 54 will not flow to the air flow. Is transmitted along the inner surface of the tubular body 75 by the
If 5, the water attached to the filter 75 is
The water reaches the water receiving portion 80 along the inner wall surface of the tank and does not enter the intake port 78 from here.

The present invention is not limited to the above-mentioned embodiment, and the design can be changed as appropriate.

[0045]

EFFECTS OF THE INVENTION According to the present invention, since the rice conveyed into the rice washing chamber by the air flow is prevented from scattering in the rice washing chamber, the rice may hit the inner surface of the rice washing chamber or the It is prevented that rice adheres and remains on the ceiling surface and the upper part of the vertical wall surface, or that rice is sucked from the suction port for sucking the air in the rice washing chamber to cause loss of rice.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a rice washing machine.

FIG. 2 is a front view of a rice washing machine.

FIG. 3 is a side view of the rice washing machine.

FIG. 4 is a side sectional view of a suction case.

FIG. 5 is a plan view of a suction case.

FIG. 6 is a front view of a suction case.

FIG. 7 is a rear view of the suction case.

FIG. 8 is an enlarged sectional view of a fitting portion of a filter.

FIG. 9 is a sectional view of a drainage box.

FIG. 10 is a side sectional view of a rice scattering prevention guide.

FIG. 11 is a plan view of a rice scattering prevention guide.

FIG. 12 is a side view of a rice scattering prevention guide.

13 is a cross-sectional view taken along the line AA of FIG.

14 is a view showing an arrow B in FIG.

FIG. 15 is a cross-sectional view of a mounting portion of a rice scattering prevention guide.

FIG. 16 is a plan view and a side view showing another example of the rice scattering prevention guide.

FIG. 17 is a plan view and a side view showing another example of the rice scattering prevention guide.

[Explanation of symbols]

17 rice washing room 40 rice supply port 42 Rice scattering prevention guide 43 Side wall 44 bottom wall 45 back wall 46 Elastic body

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Sadao Fukushima             2-2-27 Mizusashi, Higashi-Osaka City, Osaka Prefecture Yamato             Within Seiko Co., Ltd. (72) Inventor Takashi Kawate             2-2-27 Mizusashi, Higashi-Osaka City, Osaka Prefecture Yamato             Within Seiko Co., Ltd. F-term (reference) 4B053 AA01 BA17 BB01 BE13 BL03                       BL20                 4D043 BC15 JE10

Claims (5)

[Claims] 1. A rice washing room for washing rice is provided,
A rice supply port for supplying rice to the rice washing chamber is provided, and by sucking the air in the rice washing chamber, the air flows from the rice supply port into the rice washing chamber to convey the rice into the rice washing chamber. In the rice washing apparatus, the rice supplied from the rice supply port into the rice washing chamber is prevented from scattering in the rice washing chamber by the air flow flowing into the rice washing chamber through the rice supply port, and the rice is moved downward. A rice washing device characterized by being provided with a rice scattering prevention guide. 2. A rice washing chamber for washing rice is provided, and a rice supply port for supplying rice into the rice washing chamber is provided on an upper surface side of the rice washing chamber, and air is sucked into the rice washing chamber to supply rice. In a rice washing device that conveys rice by the air flow flowing from the mouth into the rice washing chamber and drops the rice into the rice washing chamber from the rice supply port, the left and right side walls and the inclined shape that moves downward toward the front Equipped with a bottom wall and a back wall, the front side of which is an open rice scattering prevention guide, and the rice dispersion prevention guide is covered by the left and right side walls, the bottom wall and the back wall. In addition, the rice scattering prevention guide is arranged close to the vertical wall surface of the rice washing room so that the front surface of the rice scattering prevention guide faces the vertical wall surface, and rice is dropped and supplied from the rice supply port into the rice scattering prevention guide. Rice washing equipment. 3. The lower portion of the front side of the rice scattering prevention guide is cut in an inclined shape that moves downward from the front end toward the back side.
Rice washing device described in. 4. The rice washing apparatus according to claim 2, wherein a width between the left and right side walls of the rice scattering prevention guide is gradually increased toward the front side. 5. The rice scattering prevention guide has an inner surface covered with a rubber-like elastic body.
4. The rice washing device according to any one of 4 above.