JP3234510B2 - Automatic rice cooker - Google Patents

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 for automatically weighing rice, washing rice, adding water, and cooking rice under the control of a microcomputer.

[0002]

2. Description of the Related Art Conventionally, a weighed rice is put into a rice washing tank, water is supplied to the rice washing tank, and the rice is washed by stirring the rice with a stirring means. By lowering the rice valve to open the rice discharge hole, the microcomputer performs a series of operations of dropping and supplying the hydrated rice to the inner pot of the rice cooker located below the rice washing tank and cooking rice with the rice cooker. There is an automatic rice cooker that automatically performs the control. The inner pot that opens and closes the upper end opening of the inner pot of the rice cooker is formed with an opening that is opened and closed by a shutter. The opening allows the rice and the like discharged from the rice washing tank to pass therethrough. We supply rice washed in the inner pot.

In this automatic rice cooker, an elevating device for elevating and lowering the upper lid of the rice cooker is provided between the rice washing tank and the rice cooker, and after cooking rice, the upper lid is raised by the elevating device. The rice cooker can be pulled out forward and the inner pot can be taken out with the upper lid left on the machine side.

[0004]

In the prior art, when the inner pot is taken out (that is, when the cooked rice is taken out), the upper lid remains on the machine side. Unless after "Murashi" is over,
When the inner pot could not be taken out and the rice was cooked continuously, the next rice cooking operation could not be performed without waiting for "Murashi", which was inconvenient. Therefore, an object of the present invention is to provide an automatic rice cooker that can cook rice continuously without waiting for "Murashi".

[0005]

The technical means taken by the present invention to achieve the above object is a rice washing tank 4 for washing rice.
On the lower side, the cooker 5, taken from below the rice washing tank 4
The rice cooker 5 is provided with an inner pot 5A and the inner pot 5A.
A upper lid 5C for closing the upper end opening of A in an openable and closable manner,
The rice discharged from the rice washing tank 4 is passed through the upper lid 5C.
A rice input port 88 is formed, and the rice input port 88 is opened.
Equipped with a shutter 89 that can be closed and closed, and the rice washing tank 4 and rice cooking
The upper lid 5C was left below the rice washing tank 4 between the container 5 and the container 5.
To take out the rice cooker 5 from below the rice washing tank 4
In addition, an elevating device 90 for supporting the upper lid 5C so as to be able to move up and down is provided.
And the upper lid 5C is detachable from the elevating device 90.
By doing so, the upper lid 5C is left under the rice washing tank 4
A state where the rice cooker 5 can be taken out from a position below the rice washing tank 4;
With the upper end opening of the inner pot 5A covered by the upper lid 5C
The state where the rice cooker 5 can be taken out from the position below the rice washing tank 4
It is characterized by being selectable .

Further, the upper end of the inner hook 5A is opened by the upper lid 5C.
By setting the rice cooker 5 with the mouth covered, it is preferable that the upper lid 5C can be attached to the elevating device 90. Also, opening and closing device 127 for opening and closing the shutter 89
Is preferably attached to the lifting device 90 and the opening / closing device 127 and the shutter 89 are connected so as to be separable. By moving the upper lid 5C backward from the front side, the upper lid 5C is moved.
It is preferable that the lifting device 90 be provided with a regulating member 148 that regulates forward movement from the mounting position of the upper lid 5C.

[0007] Further, it is preferable that lifting of the regulating member 148 makes it possible to release the regulation of forward movement from the mounting position of the upper lid 5C. It is preferable that the interlocking connection between the opening / closing device 127 and the shutter 89 can be released by lifting the regulating member 148.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 and FIG. 2 are schematic general configuration diagrams of a full-automatic rice cooker 1 for business use (or for home use) which automatically performs the steps from rice weighing to rice cooking under microcomputer control. A rice storage 3 is fixed to an upper part of a main frame 2 of the automatic rice cooker 1, and a rice washing tub 4 is attached and fixed to a lower surface of the rice storage 3 and a rice cooker is provided below the rice washing tub 4. A space in which the rice cooker 5 can be arranged is provided, and a rice cooker 5 is placed on the lower end side of the main frame 2 and a placement table 6 which can be pulled out forward is provided.

The main frame 2 has support members 8 erected on the left and right sides at the rear end of a rectangular base member 7 at the lower end in a plan view, and these left and right support members 8 are connected to each other by upper and lower connecting members 9. The main structure is connected. As shown in FIGS. 3 and 4, the rice storage 3 has a box-shaped case 10, and the case 10 has a front surface and an upper surface that can be opened and closed. A hopper 1 for storing rice is provided in an upper part of the case 10.
The upper end opening of the hopper 11 serves as an inlet for charging rice, and has substantially the same size as the upper opening of the case 10. At the lower end of the hopper 11,
A weighing machine 12 for weighing a desired amount of rice in the hopper 11 and discharging the weighed rice downward is provided.

A confirmation window 13A having a rectangular opening closed by a transparent plate is formed on the front surface of the hopper 11, and a confirmation window 13A is formed on the front surface of the case 10 at a position corresponding to the confirmation window 13A. A similar confirmation window 13B is formed so that the remaining amount of rice in the hopper 11 can be confirmed from outside. The rice washing tank 4 has a cylindrical upper part and a funnel-shaped lower part, and is open vertically. The rice washing tank 4 is attached to the lower wall of the case 10 via a tank support 14. The tank support 14 is composed of a cylindrical tubular portion 14a having a vertically open shape penetrating the lower wall of the case 10 of the rice storage 3 and a lid portion 14b for closing the upper end opening of the cylindrical portion 14a. Are fixed to the upper surface of the lower wall of the case 10. Tube part 14a
A flange portion 15 is formed on the outer peripheral surface of the lower portion, and the rice washing tank 4 is externally fitted to the lower portion of the cylindrical portion 14a from below until the flange portion 15 contacts the flange portion 15, and the rice washing tank 4 is fixed to the cylindrical portion 14a by a plurality of fixing tools. By fixing with 16, the rice washing tank 4 is detachably attached to the cylindrical portion 14a below.

In the rice washing tank 4, a stirring member such as a stirring rod 17 for stirring rice in the tank is provided. The stirring rod 17 is fixed to the lid 14b of the tank support 14. The supporting cylinder 18 is rotatably supported around a vertical axis, and is fixed to a cylindrical rotating shaft 19 that is driven to rotate by a motor provided at a lower portion inside the case 10.
As shown in FIG. 5, a drain jacket 20 for draining water from a lower end opening is provided at a lower end portion of the rice washing tank 4. The drainage jacket 20 is formed in a tubular shape, and has an upper and lower opening shape, and is engaged with the lower end side of the rice washing tank 4 from below. A flange plate 21 is fixed to the outer peripheral surface on the lower end side of the rice washing tank 4, and the flange plate 21 closes the gap between the rice washing tank 4 and the upper end opening of the drain jacket 20.

As shown in FIGS. 5 and 6, on the upper surface of the drain jacket 20, the flange plate 21 is sandwiched by the drain jacket 20 and the drain jacket 20 is washed with rice. A semi-circular mounting plate 22 is provided at the lower part of the tank 4 for fixing. This mounting plate 22
One end side of the drainage jacket 20 is
Is fixed to the outer surface of the drain jacket 20 at the other end thereof so as to be rotatable about the vertical axis.
4 is provided with an engaging portion 22a which is detachably engaged.

Accordingly, the drainage jacket 20 can be detached downward by disengaging the fixture 24 from the engaging portion 22a and rotating the mounting plate 22 in the direction A around the mounting bolt 23. ing. The lower end opening of the drainage jacket 20 is a rice discharge port 25, which is closed by a conical rice discharge valve 26, and the rice discharge valve 26 is connected to the rotary shaft 19.
Is attached to the lower end of the valve stem 27 through which the shaft is inserted. Inside the drainage jacket 20, the lower end opening of the rice washing tank 4 and the rice discharge port 2 are provided.
5 is provided so as to surround the space between them, and a truncated conical cylinder-shaped separating plate 28 is provided. The separating plate 28 is formed with a number of small holes through which water can pass but rice cannot pass. The sharpening juice can be drained with small impurities.

A drainage pipe 29 is formed integrally with the drainage jacket 20, and this drainage pipe 29 is connected to a drainage box 30 and drains from here to sewage or the like. The bottom wall 31 of the drain box 30 is separable from the main body of the drain box 30, and the drain pipe 29 is integrally extended upward from the end of the bottom wall 31 to form one side wall of the drain box 30. It is integrally connected to a rising wall 32 constituting a part. An engaging portion 34 is formed on the bottom wall 31 and the rising wall 32 to be engaged with a fixture 33 fixed to the main body of the drain box 30. The bottom wall 31 and the rising wall 32 are It is detachably attached and fixed to the main body of the drain box 30.

Accordingly, the drainage jacket 20 includes a drainage pipe 29, a bottom wall 31 and a rising wall 32 of the drainage box 30.
And can be removed downward. Drain box 3
A vertical drain pipe 35 is connected to the upper surface side of the tank 0, and the vertical drain pipe 35 is connected to an overflow port 36 provided in the cylindrical portion 14 a of the tank support 14. An opening / closing valve 37 for closing the drain port of the drain pipe 29 so as to be able to open and close is provided in the drain box 30. The on-off valve 37 is used for the drain box 3
The valve arm 38 has a valve rod 40 slidably supported by a valve guide 38 fixed at 0 and urged in a valve opening direction by a spring (compression coil spring) 39.
Is rotated around the support shaft 41 </ b> A, whereby the valve rod 40 is pushed against the urging force of the spring 39, whereby the on-off valve 37 closes the drain port of the drain pipe 29. .

The operating arm 41 is provided with a vertical drain pipe 35.
The case 1 is disposed inside the case 10 while passing through the inside.
The opening / closing valve 37 is rotated by a wire 42 pulled by a motor provided in the lower portion of the inside of the cylinder. As shown in FIG. 5 and FIG.
7 is formed, and the rice discharging valve 2 is formed.
A pair of holding pieces 44 are superimposed on the lower surface of 6, and the base 44a side is rotatable about the vertical axis by a mounting bolt 45 that penetrates these holding pieces 44 and is screwed into a screw hole formed in the rice discharge valve 26. It is mounted and supported.

The distal ends of the pair of holding pieces 44 are supported by support bolts 46 which penetrate through the holding pieces 44 and are screwed into screw holes formed in the rice discharge valve 26. The insertion hole 47 is formed in an arc shape centering on the mounting bolt 45. Of each holding piece 44,
The valve stem 27 is provided between the mounting bolt 45 and the support bolt 46.
A semicircular engagement groove 48 that fits into the small-diameter portion 27a is formed, and the holding piece 44 is a spring (torsion coil spring) 4.
9 urges the small diameter portion 27a of the valve stem 27 in the direction of sandwiching it.

Accordingly, the engagement groove 48 is separated from the small-diameter portion 27a of the valve rod 27 by bringing the base portion 44a of the holding piece 44 close to the urging force of the spring 49. Can be removed downward. Then, when removing the rice washing tank 4, first, the rice discharging valve 2
6 is removed and the drain jacket 20, the drain pipe 29, the bottom wall 31 and the rising wall 32 of the drain box 30 are removed, and the rice washing tank 4 can be removed downward. As shown in FIGS. 3 and 8, the upper portion of the valve stem 27 is supported so as to be able to move up and down by an elevating means 50 provided at the lower portion inside the case 10. It is opened and closed.

The elevating means 50 is provided on the lid 14 of the tank support 14.
The lifting arm 53 is supported by a support member 51 erected on a vertical axis via a horizontal support shaft 52 so as to be able to swing up and down, and a motor 54 attached to the support member 51 is shown by an arrow B in FIG. And a cam 55 which is driven in the direction to move the elevating arm 53 up and down. One end of the lifting arm 53 is bent in a curved shape, and a shaft member 56 is provided inside the bent portion. The shaft member 56 is composed of a pressing member 57 bolted to the lifting arm 53 and a lifting arm 5.
3 and is rotatably held by one end of the lifting arm 3 so as to be movable in the longitudinal direction of the elevating arm.

On the other hand, the upper portion of the valve stem 27 is formed to have a small diameter, and is formed so as to project upward through one end of the elevating arm 53, the shaft member 56 and the pressing member 57. A notch 5 above the valve rod 27 that allows movement in the longitudinal direction of the lifting arm is provided in one end of the lifting arm 53 and the pressing member 57.
8, 59 are formed. Further, a screw portion 60 is formed on the upper portion of the valve stem 27, and the screw portion 60 penetrates the holder 61 and is screwed to a pair of nuts 62 held by the holder 61. Further, a spring (compression coil spring) 63 is interposed between the holder 61 and the shaft member 56 in a compressed state.

A spring (tensile coil spring) 64 is provided between the lifting arm 53 and the lid 14b of the tank support 14 to urge the lifting arm 53 to pull down one end thereof. Therefore, when the cam 55 is rotated in the direction B, the other end of the elevating arm 53 is pushed down by the cam 55, so that one end of the elevating arm 53 is gradually raised, and the shaft member 56, the spring 63, and the holder 61 are moved. The valve stem 27 and the rice discharging valve 26 are pulled up via the nut 47 and the rice discharging port 25 is closed. Then, the cam 55 is further rotated in the direction B from the state where the valve stem 27 is pulled up, and when the cam 55 comes off from the other end of the elevating arm 53, one end of the elevating arm 53 is instantly moved by the urging force of the spring 64. The valve stem 27 and the rice discharge valve 26 are pushed down via the shaft member 56, and the rice discharge port 25 is opened.

The elevating means 50 is provided with a restricting member 65 for restricting the other end of the elevating arm 53 from falling even when the valve rod 27 is pushed up from below when the valve rod 27 is pulled down. I have. This is performed with the valve stem 27 lowered when the rice ejection valve 26 is attached and detached. However, when the rice ejection valve 26 is attached, if the valve stem 27 moves upward, the rice ejection valve 26 Because it cannot be mounted. One end of the regulating member 65 is supported below the elevating arm 53 by a support shaft 66 that is rotatably supported by the support member 51 about a horizontal axis. Also, the support shaft 66
The restriction release member 6 located on the side of the lifting arm 53
7 is supported, and at the upper end side of the restriction release member 67, a contact portion 67a that contacts the cam 55 is provided. Further, one end of a spring (tension coil spring) 68 is hooked on the lower end side of the regulation release member 67, and the other end of the spring 68 is hooked on a hook member 69 fixed on the lid 14 b of the tank support 14. It is stopped, and the regulation release member 67 and the regulation member 65 are urged to swing from the position indicated by the solid line in FIG. 8 to the position indicated by the virtual line.

Therefore, when the valve stem 27 is pulled down, the regulation release member 67 and the regulation member 65 are at the positions shown by solid lines in FIG. And the lower end of the lifting arm 53 is restricted. In addition, the valve stem 27
8, the contact 67a of the restriction release member 67 contacts the cam 55 before the lifting arm 53, and the restriction release member 67 is pushed in the direction of arrow C in FIG. Are tilted to allow the lifting arm 53 to swing around the support shaft 52.

Reference numeral 70 denotes a detection member fixed to the lifting arm 53 and engaged with a sensor to detect the position of the rice discharge valve 26. In the cylindrical portion 14 a of the tank support 14, the cylindrical portion 1 is located above the overflow port 36.
A sprinkling plate 71 is provided, which divides 4a up and down and has a large number of water passage holes 71a. A pair of front and rear water passages 72 are provided in the lid portion 14b of the tank support 14, and a water supply pipe 73 connected to a water supply and supplied to the rice washing tank 4 is connected to the water passages 72. I have. Therefore, the water supplied from the water supply pipe 73 through the water supply port 72 temporarily accumulates on the water sprinkling plate 71,
It is configured to be supplied by dropping into the rice washing tank 4 from 1a.

An electromagnetic valve 74 for controlling the supply of water to the rice washing tank 4 is provided upstream of the branch of the water supply pipe 73.
A flow meter 75 for detecting the flow rate of water flowing in the water supply pipe 73 is provided, and a manual water stop valve 76 is provided on the upstream side. The lid 14b of the tank support 14 is connected to the metering machine 12 and the rice washing tank 4 from the sprinkling plate 71 to the lid 14b to supply rice from the metering machine 12 into the rice washing tank 4. Rice passage hole 77 is formed. Rice storage 3
A control device 79 having an operation panel 78 is provided on the front side of the case 3. On the operation panel 78, in addition to a start switch for starting the automatic rice cooker 1, a rice amount input switch for inputting an amount of rice to be cooked, a washing selection switch for selecting a degree (light to careful) of rice washing, A switch for selecting the degree of cooking (soft to hard) and a switch for selecting the type of cooking (normal white rice, brown rice, rice, rice porridge, etc.) are provided. Depending on the conditions input by these switches, The controller 79 automatically operates so that the rice is washed, water-adjusted, and cooked according to the amount of water supplied and the washing method according to the amount of rice.

That is, when the operation is started, first, a selected amount of rice is measured and dropped into the rice washing tank 4, and water is supplied from the water supply pipe 73 into the rice washing tank 4 via the water spray plate 71. While stirring the rice with the stirring rod 14, the rice in the rice washing tank 4 is washed. At this time, turbid water or the like is simultaneously drained from the drain jacket 20 while supplying water, or a predetermined amount of rice washing water is supplied and drainage from the drain jacket 20 is stopped to perform the rice washing operation. After performing the rice washing operation for a predetermined time, the supply of water is stopped, the water is drained, and the rice is stirred by the stirring rod 14 to perform the rice polishing operation. After the rice washing operation and the rice polishing operation are performed several times, Then, the drainage from the drainage jacket 20 is stopped, water is supplied into the rice washing tank 4 with stirring, and turbid water or the like is drained from the overflow port 36. With the above, the rice washing is completed.

When the rice washing is completed, all the water in the rice washing tank 4 is drained once from the drainage jacket 20, and is drained.
Then, after the water is adjusted by the selected amount of rice and the amount of rice to be cooked, the rice discharge valve 26 is lowered, and the rice is put into the inner pot 5A of the rice cooker 5 together with the water addition and reduction from the rice discharge port 25. The rice is dropped and supplied, and the rice cooker 5 is activated by the control device 79 to cook rice. The electromagnetic valve 74 and the flow meter 75 are connected to a control device 79, and the amount of water supplied into the rice washing tank 4 is calculated by a signal from the flow meter 75, and the required amount of water is calculated by the electromagnetic valve 74. Water supply so that water is supplied
Water stoppage is controlled.

The automatic rice cooker 1 according to the present embodiment
On the side of the case 10 of the rice storage 3, there is formed an air intake 80 composed of a large number of small holes, and the case 10 is configured to take in air from the air intake 80 into the case 10 for cooling. A suction blower 81 is provided. Also,
A cover 82 that covers the upper part of the cylindrical portion 14a of the tank support 14 is attached to the lower surface side of the case 10, and the air taken in by the suction blower 81 is filled in the cover 82 on the lower wall of the case 10. A discharge hole 83 for discharging is formed,
The air sent into the cover 82 is exhausted from a gap between the cover 82 and the cylindrical portion 14a, and the exhaust air diffuses water vapor rising from the rice cooker 5, and
The water vapor is configured not to enter the case 10.

Further, the cover 82 has a sensor 85 for detecting the presence or absence of a detection member 84 provided above the rice washing tank 4.
Is provided, and is configured to lock a motor that rotationally drives the rotating shaft 19 so that the stirring bar 17 does not rotate by a signal from the sensor 85 when detecting that the rice washing tank 4 has been removed. I have. As shown in FIGS. 1, 9, and 10, the rice cooker 5 includes the inner pot 5A and the inner pot 5A.
And an upper lid 5C for closing the upper end opening of the inner hook 5A. Note that an electric stove or a gas stove controlled by the control device 79 or a control device provided in the rice cooker 5 is provided below the outer pot 5B.

The upper lid 5C has an inner wall 5A at the radial center of the upper wall.
Of the upper lid 5C is located below the edge 86 of the inner pot 5A, and a middle part of the upper wall of the upper lid 5C is inclined. A pressure release port 87 is formed in the middle of the wall.
The contents (moisture and dissolved rice components) blown out of the upper wall can be stored in the space above the outer peripheral portion of the upper wall. Further, a circular rice inlet 88 through which the washed rice passes is formed at the center of the upper wall of the upper lid 5C.
The rice inlet 88 is provided with a shutter 8 disposed on the upper surface of the upper lid 5C.
9 closes openably and closably.

As shown in FIGS. 1, 2 and 9 to 14, an elevating device 90 is provided between the rice-washing tank 4 and the rice cooker 5 for elevating and lowering the upper lid 5C to open and close. . The elevating device 90 includes a support frame 91 to which the upper lid 5C is attached and which is supported by the main frame 2 so as to be able to move up and down, a stopping means 92 for stopping the elevating of the supporting frame 91, and a releasing means for releasing the stopping means 92. 9
3 and the main configuration. The support frame 91 is formed of a plate material, and a pair of left and right arm portions 94 extending on the left and right sides of the rice input port 88 above the upper lid 5C and extending in the front-back direction;
The main part is composed of a mounting part 95 fixed to the rear part of the arm part 94.

The front portions of the left and right arm portions 94 are bent obliquely upward, the front ends are connected to each other by a grip portion 96 made of a cylindrical bar, and the rear portion is located behind the rice inlet 88. The arms 94 are connected to each other by a connecting portion 97 extending integrally from the lower end. At the front of each of the left and right arms 94, a projection 98 is integrally extended outward from the lower end in the left-right direction, and the front of the projection 98 is provided with a slider 99 provided on the upper lid 5C. The engaging portion 98a is engaged with the slider 99 (i.e., the upper cover 5).
The restricting portion 98b restricts the backward movement of C).

The slider 99 is connected to the rice inlet 8 of the upper lid 5C.
15, a pair of front and rear sides is provided on each of the left and right sides, and as shown in FIG.
A fitting groove (circumferential groove) 100 that fits in the front and rear direction so as to be movable in the front-rear direction is formed. By this, the upper lid 5C is attached to and supported by the support frame 91, and the support frame 91 is raised and lowered, whereby the upper lid 5C is moved up and down. After cooking the rice, the upper lid 5C is moved upward, and the mounting table 6 is pulled out forward, so that the inner pot 5A is cooked.
Can be taken out. When the upper lid 5C is moved forward, the slider 99 is moved to the engagement portion 9 of the overhang portion 98.
8a, the upper lid 5C is detached from the support frame 91.

The mounting portion 95 includes a front wall portion 95a disposed between the rear portions of the left and right arm portions 94, and a side wall portion 95b integrally extending rearward and downward from upper left and right sides of the front wall portion 95a. And upper and lower wall portions 95c and 95d integrally extending rearward from upper and lower ends of the front wall portion 95a. The lower portions of the left and right side wall portions 95b are fixed to the left and right outer surfaces of the arm portion 94. I have. A pair of left and right rail members 102 provided between the upper and lower connecting members 9 of the main frame 2 are disposed on both left and right sides of the mounting portion 95, and the rail members 102 have a U-shaped flat cross section in which the open sides are opposed to each other. Is formed. Also, the left and right side wall portions 9 of the mounting portion 95
5b, a pair of upper and lower rollers 103 is rotatably supported on the outer surface of the rail member 102 so as to be vertically movable in the groove of the rail member 102, and the support frame 91 is supported by the left and right rail members 102 so as to be able to move up and down. ing.

The support plate 1 is mounted on the upper wall 95c of the mounting portion 95.
04 is fixed, and the box 10
5 is fixed. The stopping means 92 mainly includes the left and right rail members 102 as shown in FIGS.
And a pair of left and right brake levers 106 disposed inward in the left-right direction, and a spring (compression coil spring) 107 for pressing each brake lever 106. The brake lever 106 includes an upper wall 106a and left and right side walls 106 integrally extending downward from left and right sides of the upper wall 106a.
b, and a contact wall 106c extending outward in the left-right direction from the outer side wall 106b.

The brake lever 106 is supported between the support pieces 108 extending rearward from the upper portions of the left and right side wall portions 95b of the support frame mounting portion 95.
09 is supported rotatably around the left-right axis, a contact wall 106c is opposed to the rear surface of the rail member 102, and a brake pad 110 is provided on the contact wall 106c opposite the rail member 102. Is fixed. Spring 107
The compression force is interposed between the brake lever upper wall 106a and the spring receiver 111 fixed to the inner surface of the side wall portion 95b of the support frame mounting portion 95 at the front side of the support shaft 109. Thus, the brake pad 110 is pressed against the rear surface of the rail member 102 via the contact wall 106c. Thus, the support frame 91 cannot be moved up and down.

The releasing means 93 includes a pull-down member 112
, A relay lever 113, and a pair of left and right arms 114. The pull-down member 112 is formed of a rod, is fitted inside the spring 107, and penetrates the spring receiver 111 and the brake lever upper wall 106a. A screw portion 115 is formed on an upper portion of the pull-down member 112, and the screw portion 115 penetrates a collar 116 arranged on the brake lever upper wall 106a, and a nut 117 is screwed thereto.

The relay lever 113 is formed of a bell crank, and has a middle portion extending from the middle portion of the left and right side wall portions 95b of the support frame mounting portion 95 so as to protrude forward.
The lower end of the pull-down member 112 is pivotally connected to one end (upper side) of the pull-down member 112. The arm 114 is formed from a plate material,
It is arranged inside the arm part 94 of the support frame 91 in the front-rear direction, and the rear end side is the other end side (lower side) of the relay lever 113.
The shaft is pivotally connected via a shaft 120 so as to be rotatable around a left-right axis. The front sides of the left and right arms 114 are bent obliquely in a slanting manner for removal, and the front ends are connected to each other by a gripping operation unit 121 made of a bar.

When the grip operation section 121 is pulled forward, the relay lever 113 is turned around the support shaft 119 in the direction indicated by the arrow D in FIG. 16 to push the pull-down member 112 against the urging force of the spring 107. And lowered,
The brake lever 106 rotates in the direction of arrow F in FIG.
The support frame 91 is allowed to move up and down away from the rear surface of the support frame 91. In addition, the grip operation unit 12
Numeral 1 is disposed slightly parallel to the grip portion 96 of the support frame 91, and simultaneously holds the grip portion 96 and the grip operation portion 121 so that the grip operation portion 121 approaches the grip portion 96 side. And the stop means 92
Immediately after the release of the support frame 91 (that is, the upper lid 5C)
Can be moved up and down, and when the grip of the grip operation unit 121 is released at an arbitrary position, the support frame 91 is moved to that position.
Can be easily stopped.

Although the stop means 92 is illustrated by friction in the illustrated example, a meshing claw is provided in place of the brake lever, and a projection or a recess is formed on the rear side of the rail member 102 so that the meshing claw is meshed. Alternatively, the supporting frame 91 may be surely stopped, and the engaging claw may be a ratchet mechanism to which the engaging of the supporting frame 91 is automatically released when the supporting frame 91 is lifted. A pair of upper and lower stopper members 122 are provided in the groove of the rail member 102 with which the roller 103 contacts, and the upper and lower limits of the support frame 91 are set so that the upper lid 5C can move up and down from the position where the inner pot 5A is covered. It is decided.

As shown in FIGS. 9, 10 and 17, a shutter 89 for closing the rice slot 88 of the upper lid 5C is vertically centered via a support shaft 123 whose rear left end is fixed to the upper lid 5C. It is rotatably supported around, and the upper lid 5C
Above, on the left side of the shutter 89, the shutter 8
A pair of front and rear stopper members 124 for regulating the rotation of the support shaft 9 around the support shaft 123 to the left is provided. Further, the shutter 89 is fitted over the support shaft 123, one end of the shutter 89 is engaged with the stopper member 124, and the other end is engaged with an engaging portion 125 extending upward from the shutter 89 (torsion coil spring). 126 is urged to the left around the support shaft 123.

The shutter 89 is opened and closed by an opening and closing device 127. The opening / closing device 127 is supported by a support frame 91, and as shown in FIGS. 17 and 18, a pulling member 128 that pulls the shutter 89 backward,
It mainly comprises a motor 129 as a driving means for driving the pulling member 128 and an interlocking mechanism 130 for interlocking and connecting the motor 129 and the pulling member 128. The pulling member 128 is made of a plate material, and is bent in an inclined manner so that the front part moves upward as the front part goes forward, and the engaging hole 13 long in the left-right direction is provided on the rear side of the bent part 128a.
1 is formed, and an engaging pin 132 fixed to the shutter 89 so as to protrude upward is inserted into the engaging hole 131, and the upper surface of the engaging pin 132 is formed in a spherical shape.

The pulling member 128 is formed with a guide groove 133 which is long in the front-rear direction.
The oblong fitting portion 134a of the fixing member 134, which is inserted through the guide groove 133 from above and fixed to the connecting portion 97 of the support frame 91, is fitted.
8 is supported by the support frame 91 so as to be movable back and forth. Further, at the rear of the pulling member 128, the pulling member 1 is provided.
By bending 28, a fitting groove 135 which is long in the left-right direction and has an upper opening shape is formed. The motor 129 is housed in the box 105 provided on the mounting portion 95 of the support frame 91.

The interlocking mechanism 130 has a rotating shaft 137 that is arranged vertically and whose upper end is connected to an output shaft 136 of the motor 129 and that is driven around a vertical axis.
An arm 138 is connected to the lower end of the arm 37, and a roller 139 is attached to the distal end of the arm 138 and fits in the fitting groove 135 of the pulling member 128. Therefore, from the state shown in FIG.
Is operated to rotate the rotation shaft 137, the rotation shaft 13
The arm 138 and the roller 139 rotate in the direction of arrow G in FIG. 17 around 7, and the pulling member 128 is pulled rearward,
The engagement pin 132 is pulled rearward. As a result, the shutter 89 rotates rearward (in the direction indicated by the arrow H in FIG. 17) around the support shaft 123, and opens the rice inlet 88. Further, by inverting the motor 129, the shutter 89 is closed by an operation reverse to the above.

A support shaft 140 is supported on the bottom wall of the box 105 so as to protrude downward so as to be rotatable around a vertical axis. The upper end of the support shaft 140 projects into the box 105 and a cam 141 is formed. One end of a swing arm 142 is fixed to the lower end of the support shaft 140. A vertical pin 143 is fixed to the other end of the swing arm 142, and the swing arm 142 abuts a locking portion 144 extending upward and protruding from the rear end left side of the shutter 89. As described above, is urged by a spring (tension coil spring) 145. Further, a pair of front and rear detectors 147 having a contact 146 that contacts the cam 141 are provided in the box 105.

Then, as shown in FIG.
9 is closed, the cam 141 is connected to the front detector 14.
When the shutter 89 is opened by detecting that the shutter 89 is closed by pressing the contact 146 of FIG. 7, the pin 143 is pressed by the locking portion 144, and the swing arm 142 is moved to the position shown in FIG.
, The cam 141 rotates to release the pressing of the contact 146 of the front detector 147 and to press the contact 146 of the rear detector 147. It is configured to detect that the shutter 89 is open.

In the above configuration, the motor 129
And the detector 147 are housed in the box 105, and the box 105 is provided at a certain interval above the upper lid 5C, so that the motor 129 and the detector 147 etc. Is protected. The lifting device 90 is provided with a regulating member 148 that regulates the forward movement of the upper lid 5C. This regulating member 1
As shown in FIGS. 9, 10, 11, and 19, the reference numeral 48 includes a pair of left and right arm portions 149 disposed on the left and right outer sides of the left and right arm portions 94 of the support frame 91.

As shown in FIG.
Is an arm portion 94 of the support frame 91 formed of a plate material.
The front side is bent upward, and the front ends are mutually connected by a grip 150 made of a bar. At the rear end of the left and right arm portions 149, a rising portion 151 is extended upward.
49 rising portions 151 are connected members 152 made of a plate material
Are interconnected by An engaging hole 153 is formed at the center in the left-right direction of the connecting member 152.
The front of a restriction piece 154 fixed with a screw on the connecting portion 97 of the support frame 91 is inserted into 53, and the restriction member 148 is locked to the support frame 91 so that it cannot move forward and can move upward. ing.

Further, at the front of the left and right arm portions 149,
A restricting portion 155 extends from the lower end in a laterally outwardly projecting shape. The restricting portion 155 contacts the front end of the front slider 99 to restrict the forward movement of the upper lid 5C. The portion is bent in an inclined manner so as to move upward as going forward. In addition, the connecting member 1
52 is a front side of the fixing member 134,
8 so as to cross below. Therefore,
By lifting the grip portion 150 upward, as shown by the phantom line in FIG. 19, the restricting portion 155 is disengaged upward from the slider 99 and the connecting member 152 is
, The engagement hole 131 is disengaged upward from the engagement pin 132, and the upper lid 5C can be pulled out with the shutter 89 attached, so that the upper lid 5C remains on the machine side and together with the inner shuttle 5A. It can be selected to be ready to be taken out.

Thus, the holding portion 1 of the regulating member 148
If the mounting table 6 is pulled forward with the 50 lifted, the rice cooker 5 moves forward with the upper lid 5C attached and the upper lid 5C comes off the support frame 91. Even without consideration (without waiting for "Murashi"), the next rice cooking operation can be performed by replacing with the spare rice cooker 5. Further, when setting the rice cooker 5 with the upper lid 5C attached, the rice cooker 5 is placed on the mounting table 6 pulled out forward and the mounting table 6 is pushed in backward as it is, and the slider 99 is controlled by the regulating member 152. By pressing and contacting the lower surface of the inclined bent portion 155a at the front of the restricting portion 155, the restricting portion 155 is lifted upward to allow the slider 99 to move backward, and the shutter 8
9 is brought into contact with and presses against the lower surface of the inclined bent portion 128a at the front part of the pulling member 128, whereby the pulling member 128 is lifted upward and behind the engaging pin 132. Movement is allowed.

Therefore, when setting the rice cooker 5,
Even when the rice cooker 5 is moved rearward without lifting the grip 150 of the regulating member 148, the upper lid 5C is automatically attached to the support frame 91 as shown in FIG. A spring (tension coil spring) 165 is interposed between the connecting member 9 on the upper side of the main frame 2 and the support shaft 109 of the stopping means 92, and the lifting device 90
May be urged upward. 21 to 2
As shown in FIG. 4, a handle 156 is fixed to a front portion of the mounting table 6, and the mounting table 6 is supported by a base member 7 of the main frame 2 via a support frame 157 so as to be able to be pulled out forward.

On both left and right sides of the upper surface of the base member 7, a rail member 158 having an open U-shaped cross section is opened inward in the left-right direction.
Are provided in the front-rear direction, and the support frame 157 is disposed between the left and right rail members 158. Rail members 1 are provided on the left and right sides of the rear end of the support frame 157.
A roller 159 that is rotatably fitted to the roller 58 is provided rotatably around an axis in the left-right direction. On the other hand, on both left and right sides of the front end of the base member 7, support frames 157 are provided.
A roller 160 that contacts and supports the lower surface of the side frame member 157a on both the left and right sides is rotatably provided around the axis in the left and right direction, and the support frame 157 is connected to the base via the rollers 159 and 160. The member 7 is supported to be movable in the front-rear direction.

A resin block member 161 is attached and fixed to the front end portion and the middle portion of each of the left and right rail members 158 so as to abut against the left and right side frame members 157a of the support frame 157 and to play back. In addition, the roller 159 comes into contact with the block member 161 on the rear side, so that the forward movement of the support frame 157 is restricted. The left and right frame members 157a of the support frame 157 are formed in an open U-shaped cross section inward in the left and right direction.
On the rear end side of the support wall 6a in the front-rear direction fixed to the lower surface of the upper wall, a roller 162 that is rotatably fitted to the left and right frame members 157a of the support frame 157 rotates about the left-right axis. Mounted freely.

At the front end of the support frame 157 in the left and right frame members 157a, a roller 163 which comes into contact with and supports the lower surface of the upper wall of the mounting table 6 is rotatable around the left-right axis. And the rollers 162, 16
The mounting table 6 is supported by the support frame 157 via the base 3 so as to be movable in the front-rear direction. A resin block member 164 that abuts against the support wall 6a of the mounting table 6 to stop the play is fixedly attached to the front end and the middle of the left and right frame members 157a of the support frame 157. The roller 162 comes into contact with the block member 164, and the forward movement of the mounting table 6 with respect to the support frame 157 is restricted.

Each of the rollers 159, 160, 162, 1
63 is constituted by a bearing.

[0056]

According to the present invention, the rice cooker 5 can be taken out with the inner pot 5A covered with the upper lid 5C, so that the upper lid 5C remains on the machine side and the inner pot 5A together with the inner pot 5A. Can be selected and can be taken out together with the inner pot 5A, so that the rice cooking operation can be performed continuously without waiting during the "murashi", and the operation time can be reduced.
Further, by setting the rice cooker 5 with the inner pot 5A covered by the upper lid 5C, the upper lid 5C can be attached to the elevating device 90, which is convenient.

The upper lid 5C is provided with a rice inlet 88 through which the rice discharged from the rice washing tank 4 passes, and a shutter 89 for closing the rice inlet 88 so as to be openable and closable.
An opening / closing device 127 for opening and closing the shutter 89 is attached to and supported by the elevating device 90, and the opening / closing device 127 and the shutter 8
When the upper lid 5C is removed together with the inner pot 5A, the opening / closing device 127 can be left on the machine side by detachably linking the upper cover 9 and the lower cover 9 with each other. In addition, by moving the upper lid 5C backward from the front side, the upper lid 5C can be attached to the elevating device 90, and the elevating device 90 is provided with a regulating member 148 that regulates forward movement from the mounting position of the upper lid 5C. When setting the rice cooker 5 on the main unit, the upper lid 5C can be set by moving the rice cooker 5 backward, which is convenient.

Also, by lifting the regulating member 148, the forward movement regulation from the mounting position of the upper lid 5C can be released, and by lifting the regulating member 148 to move the rice cooker 5 forward, the rice cooker 5 can be moved forward by the upper lid 5C. Inner pot 5A
The rice cooker 5 can be pulled out with the lid covered, and the handling is easy. Further, the interlocking connection between the opening / closing device 127 and the shutter 89 can be released by lifting the restricting member 148, so that the restriction of the upper lid 5 </ b> C is released by the restricting member 148, and the connection between the opening / closing device 127 and the shutter 89 is released. Can be performed simultaneously, and handling becomes easier.

[Brief description of the drawings]

FIG. 1 is an overall front view of an automatic rice cooker.

FIG. 2 is an overall side view of the automatic rice cooker.

FIG. 3 is a front sectional view of a rice storage unit and a rice washing unit.

FIG. 4 is a side sectional view of a rice storage unit and a rice washing unit.

FIG. 5 is a front sectional view showing a lower structure of the rice washing tank.

FIG. 6 is a plan sectional view showing a lower structure of the rice washing tank.

FIG. 7 is a bottom view of the rice discharging valve.

FIG. 8 is a sectional view of an elevating device of the rice discharging valve.

FIG. 9 is a side view of a vertical middle part of the automatic rice cooker.

FIG. 10 is a plan view of an elevating device for the upper lid and the like.

FIG. 11 is a plan view of the elevating / lowering device of the upper lid.

FIG. 12 is a side view of the elevating device for the upper lid.

FIG. 13 is a front view of the elevating device for the upper lid.

FIG. 14 is a rear view showing the elevating / lowering device and the stopping means of the upper lid.

FIG. 15 is a front cross-sectional view showing a mounting support structure of the upper lid.

FIG. 16 is a sectional view taken along line JJ of FIG. 14;

FIG. 17 is a plan view showing an opening and closing structure of a shutter of the upper lid.

FIG. 18 is a side sectional view showing an opening / closing structure of a shutter of the upper lid.

FIG. 19 is a side sectional view showing a mounting structure of the upper lid.

FIG. 20 is a front sectional view of a regulating member.

FIG. 21 is a side view showing a lower structure of the automatic rice cooker.

FIG. 22 is a plan view showing a lower structure of the automatic rice cooker.

FIG. 23 is a side sectional view showing a support structure of the mounting table.

FIG. 24 is a plan sectional view showing a support structure of the mounting table.

[Explanation of symbols]

 1 automatic rice cooker 4 rice washing tank 5 rice cooker 5A inner pot 5C top lid

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Shinji Harada 2-2-227 Mizuhashi, Higashiosaka-shi, Osaka Daiwa Seiko Co., Ltd. (56) References JP-A-8-243022 (JP, A) JP-A-7-313359 (JP, A) JP-A-8-228920 (JP, A) JP-A-7-236568 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47J 27 / 00,27 / 14

Claims (6)

(57) [Claims] 1. A rice washing tank (4) for washing rice ,
Take out the rice cooker (5) from the lower position of the rice washing tank (4)
The rice cooker (5) has an inner pot (5A) and
An upper lid (5) for opening and closing the upper end opening of the shuttle (5A).
C), and the upper lid (5C) is drained from the rice washing tank (4).
A rice input port (88) is formed to allow the rice to pass through.
At the same time, a shutter for opening and closing the rice input port (88) so that it can be opened and closed.
Equipped with a rice cooker (89) and a rice washing tank (4) and a rice cooker (5).
In the meantime, the top lid (5C) was left below the rice washing tank (4).
Take the rice cooker (5) from below the rice washing tank (4)
Lifting device that supports the upper lid (5C) so that it can move up and down
(90), and the upper lid (5C) is attached to the elevating device (9).
0) The upper lid (5C) can be washed
Wash the rice cooker (5) while leaving it below the rice tub (4).
(4) The state where it can be taken out from the lower position and the upper lid (5C)
Rice cooked with the upper opening of the inner pot (5A) covered
A state in which the bowl (5) can be taken out from a position below the rice washing tank (4).
An automatic rice cooker, characterized in that the rice cooker can be freely selected . 2. An inner lid (5A) with an upper lid (5C).
2. The automatic rice cooker according to claim 1, wherein the upper lid (5C) can be attached to the elevating device (90) by setting the rice cooker (5) with the end opening covered. 3. A closing device for opening and closing the sheet Yatta (89) to (127) and mounting support on the lifting device (90), switchgear and that it has separably interlocked with a shutter (89) (127) The automatic rice cooker according to claim 1 or 2, wherein 4. The upper lid (5C) can be attached to the elevating device (90) by moving the upper lid (5C) backward from the front side, and the upper lid (5) is attached to the elevating device (90).
C) A regulating member (1) for regulating the forward movement from the mounting position.
48. The automatic rice cooker according to claim 1, further comprising: 5. The automatic rice cooker according to claim 4, wherein the restriction on forward movement from the mounting position of the upper lid (5C) can be released by lifting the restriction member (148). 6. The automatic rice cooker according to claim 5, wherein the interlocking connection between the opening / closing device (127) and the shutter (89) can be released by lifting the regulating member (148).