JPH02302213A - Automatic rice cooker - Google Patents

Abstract

PURPOSE:To prevent internal wiring from being interrupted by putting in and out a drawer by providing a shield board in an enclosure in the lower direction of the drawer and connecting the shield board by the internal wiring which is started from the back of the rear surface of the drawer, folded into two forward, positioned on the shield board and arrives at the back of the enclosure. CONSTITUTION:Internal wiring 29 is provided for a switch part 28, display panel 27, controller, steam discharging device 20 at the outside of the drawer, measuring part 3, rice washing device 4, external controller and power source, etc. The internal wiring 29 is started from the back of the bottom surface of a drawer 8, directed forward, folded into two, arrives at the back of an enclosure 2 and connected to a connector 30. A shield board 31, which is provided horizontally in the enclosure 2 in the lower direction of the drawer 8, partitions the drawer 8 and a rice container 1 and on the shield board 31, the internal wiring 29 is positioned. In a turning part 33 of the internal wiring 29, a straining mechanism 32 such as a roller 34, etc., which is energized from a front direction by a spring 35, is provided. The turning part 33 of the internal wiring 29 is moved between an A position and a B position on the shield board 31 together with the roller 34 and operated so that useless force can not be applied to the internal wiring 29. Then the internal wiring 29 can be prevented from being interrupted by tension.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an automatic rice cooker that automatically washes and cooks rice stored in a rice bin.

BACKGROUND OF THE INVENTION Conventional automatic rice cookers of this type have a rice cooking section, a rice pot, a rice measuring device, a rice washing device, a rice transfer device, etc. It was something.

Problems to be Solved by the Invention In the automatic rice cooker with the conventional configuration described above, the rice cooking section inside the drawer, the electromagnet of the rice measuring device, the motor of the rice washing device, etc.
A lot of internal wiring is required to control the operation of each drive part, and especially when connecting the internal wiring inside the drawer to the case, since the drawer is movable, the internal wiring can get caught in the drawer and cause fatigue due to bending. There was a problem that the wire could break due to tensile force.

The present invention solves these conventional problems, and the first
Prevents internal wiring from breaking due to putting in and taking out drawers,
Second, it prevents problems such as wire breakage due to the internal wiring getting caught in the sliding part of the drawer; third, it prevents the internal wiring from becoming bent or bent due to fatigue, breaking or getting caught; and fourth, it prevents the internal wiring from getting caught in the drawer's driving part. The purpose of the present invention is to provide an automatic rice cooker in which internal wiring is isolated from other people and prevented from getting caught in gears, etc.

Means for Solving the Problems In order to achieve the above object, the first aspect of the automatic rice cooker of the present invention is as follows.
The means includes a drawer that incorporates a rice cooker and can be freely put in and taken out of a housing, a drive device for this drawer, a rice bin provided in the housing, a rice washing device for washing rice from the rice bin, and a rice washing device. a conveying device for conveying washed rice to the rice cooking section, a shielding board is provided in the housing below the drawer, and a shielding plate is provided in the housing below the drawer, and a shielding plate is provided between the drawer and the housing, and a shielding plate is provided from the rear of the bottom of the drawer and facing forward. It is connected by internal wiring that is folded and located on the shield plate and reaches the rear of the housing.

The second hand land is located on the shield plate and has internal wiring fixed to the rear of the casing.

The third means is to pull the bent portion of the internal wiring, which is bent in two and located on the shielding plate and extends to the rear of the housing, from the front using a tension mechanism.

A fourth means is to provide guide bodies on the shield plate along the internal wiring on both sides of the internal wiring extending to the rear of the casing.

Effect By using the first means described above, even though the internal wiring tends to be subjected to tensile force, it is possible to always form a long internal wiring with a sufficient length without being subjected to tensile force, and the internal wiring that is taken out from the drawer is not pulled. This can prevent troubles such as wire breakage caused by.

By the second means, the internal wiring located on the shielding board and reaching the rear of the case is fixed on the shielding board, preventing free movement of the internal wiring by the margin, and preventing the internal wiring from sinking into the drawer sliding part. This prevents problems such as wire breakage due to

By the third means, the folded part of the internal wiring is pulled from the front by a tension mechanism to prevent free movement of the internal wiring, and in addition, the bending point is constantly changed as the drawer moves. This prevents fatigue, disconnection, and jamming due to bending and curling.

According to the fourth means, guide bodies are provided on the shielding plate along the internal wiring on both sides of the internal wiring to isolate the internal wiring from the drive portion of the drawer and prevent it from getting caught in gears or the like.

EXAMPLE Hereinafter, an example of the present invention will be described based on the accompanying drawings. In the figure, reference numeral 1 denotes a rice bin that is provided in the lower part of the housing 2 so as to be freely put in and taken out. Reference numeral 3 denotes a measuring section installed at the bottom of the rice jug 1, and this measuring section B3 has an electromagnet, for example, like a conventionally known rice measuring device, and measures a fixed amount of rice every - times. It is something to do. 4 is measuring section 3
A rice washing device installed at the bottom of the housing 2 at the bottom of the
It has a brush and a lath net inside, and is connected to the conveying device 5. The conveying device 5 sucks air from the rice washing device 4, exhausts it to an exhaust pipe, and transfers the rice polished in the rice washing device 4 from an ejector 6 via a transportation pipe 7 to a rice cooking section to be described later. Reference numeral 8 denotes an upper drawer provided in the housing 2 so that it can be taken in and out. This drawer 8 is provided with a rice cooking section and a water tank 9, and the rice cooking section is composed of a rice cooking fA10, a rice cooking Mll, an induction heating coil 12, a rice cooking sensor 13, and the like. 14 is a rice supply cylinder installed in the center of the ill,
The rice supply cylinder 14 is equipped with a valve 15 at the lower end. The water tank 9 is equipped with a water measuring device, and a water pipe equipped with an electromagnetic valve is installed at the top, and a pump 16 installed at the bottom supplies water to the rice cooking pot 10 through a water supply hose 17 and a rice cylinder 14. Supply/Do. 18 is a drive device that lowers the rice blowing vibrator 19 and brings it into contact with the rice supply cylinder 14. Reference numeral 20 denotes a steam exhaust device that exhausts steam generated during rice cooking from the front of the housing 2.

21 is a drive device for the drawer 8 which is a geared motor fixed in the housing 2; 22 is a binion gear attached to the output shaft of the geared motor of the drive bag @ 21; and 23 is a rack gear provided at the bottom of the drawer 8. The binion gear 22 and the rack gear 23 are engaged with each other, and the drawer 8 is automatically pulled out or pushed in by the rotational force of the drive device 21.

Limit switches 24 and 25 position the drawer 8 by coming into contact with a projection 26 provided at the bottom of the drawer 8.

The drive device 21 is configured to reversely rotate and automatically return the drawer 8 to its initial state when a load exceeding a certain value is applied during pulling out or pushing in, so that the protrusion 26 provided at the bottom of the drawer 8 It comes into contact with the limit switch 24 or 25 and stops. Control for this is performed by a separately provided control device (not shown).

27 is a display board arranged on the front side of the drawer 8, which displays the functions and processes of the automatic rice cooker. Reference numeral 28 designates a switch section which can be stored in the front surface of the drawer 8. When the upper end of the switch section 28 is pressed, the switch section 28 is stored within the front surface of the drawer 8 and is fixed by a locking device provided inside. When the upper end is pressed again, the locking device is released and the locking device shown in FIG.
As shown in Figure 2, the operating surface will come out slightly tilted toward you.

29 is a switch section 28 and a display board 27 provided in the drawer 8, a control device (not shown), a steam exhaust device 20 outside the drawer, a measuring section 3, a rice washing device 4, an external control device (not shown), Internal wiring such as a power source comes out from the rear of the bottom of the drawer 8, bends in two toward the front, and reaches the rear of the housing 2, where it is connected to the connector 30.

Reference numeral 31 denotes a shielding plate provided horizontally within the housing 2 below the drawer 8, and isolates the drawer 8 from the rice bin 1. This shield 3
Internal wiring 29 is located on top of 1. Note that at least a half of the length of the shielding plate 31 or less at the rear of the internal wiring 29 may be fixed on the shielding plate 31.

32 is a folded portion 33 of the internal wiring 29 as shown in FIG.
This is a tensioning device consisting of a roller 34 applied to the housing 2 and a flexible body 35 such as a spring that urges the roller 34 forward of the housing 2. Guide bodies 36 are provided on the shielding plate 31 along the internal wiring 29 on both sides of the internal wiring 29 located on the shielding plate 31 and extending to the rear of the housing 2, and prevent the internal wiring 29 from moving in the lateral direction. At the same time, it is isolated from the drive device 21 of the drawer 8. This guide body 36 may be constructed from a rib or a bottle.

Now, 37 is a telecontrol adapter, 38 is a telecontroller, 39 is a bush type telephone, and 40 is a power line outlet. Reference numeral 41 is a touch switch for operating the drive of the drawer 8, and the drive device 2 is activated by one-touch operation.
1 is the one that works.

Next, the operation of the configuration described above will be explained.

First, the user presses the upper end of the switch section 28 to bring out its operating surface, and then instructs the amount of rice to be cooked, the time of rice cooking, the amount of water, etc. This operation can be performed similarly using the telephone set 39. At the set time, the rice blowing vibrator 19 descends and comes into contact with the rice feeding cylinder 14, and at the same time the valve 15 is pushed down and opened (then the fan (not shown) and the brush rotate, and the measuring part 3 The rice weighed into units enters a rice washing device 4, is polished (washed), and is then transferred by an ejector 6 through a transport pipe 7 to a rice cooking pot 10 from a rice blowing vibrator 19.

The rice bran removed from the surface of the rice comes out of the lath net, is sucked in by a fan, and is collected by a cyclone (not shown).

After the set amount of rice has been washed and transferred to the rice cooker 10,
A set amount of water enters the water tank 9 and is sent to the rice cooking pot 10 by the pump 16 through the water supply hose 17 and the rice cylinder 14. Subsequently, after the rice blowing vibrator 19 is raised and the valve 15 is closed, the induction heating coil 12 is energized and the rice cooking process begins.

Detection of the end of rice cooking, etc. is performed by a conventional method.

When the rice cooking is finished, the touch switch 41 is pressed to automatically pull out the drawer 8 in which the rice cooking part is stored from the housing 2 and put it in the rice bowl. Then, when the touch switch 41 is pressed again, the drawer 8 is automatically retracted. Even if the drawer 8 is forcibly stopped when it is pulled out, or a hand or the like is accidentally caught between the housing 2 and the drawer 8 while it is being put away, the drive device 21 is subjected to a load exceeding a certain set value. When the drawer 8 rotates in the opposite direction, the protrusion 30 provided at the bottom of the drawer 8 comes into contact with the limit switch 24 or 25 and is stopped, so the drawer 8 returns to its original state.

FIG. 4 shows the drawn out state and the stored state of this drawer 8. The folded part 33 of the internal wiring 29 is connected to the roller 34.
At the same time, it moves between the A position and the B position on the shielding plate 31, and always moves so that no unnecessary force is applied to the internal wiring 29 itself. This can prevent problems such as wire breakage due to pulling of the internal wiring 29 taken out from the drawer 8. Also, at least the shielding plate 31 behind the internal wiring 29
If 1/2 or less of the length of the internal wiring 29 is fixed on the shielding plate 31 to prevent free movement of the internal wiring 29 when the drawer 8 is stored, wire breakage may occur due to the internal wiring 29 getting caught in the sliding part of the drawer 8. This can prevent problems. Furthermore, internal wiring 2
9, a flexible body 35 such as a spring is attached from the front.
By providing a tension mechanism 32 such as a roller 34 that is biased by the drawer 8, the internal wiring 29 taken out from the drawer 8 when the drawer is stored is prevented from freely moving by the margin.
By constantly changing the position of the folding cable 33 as the wire moves, the internal wiring 29 taken out from the drawer 8 can be prevented from being bent, broken due to fatigue, or jammed. Furthermore, guide bodies 36 are provided on the shielding plate 31 along the internal wiring 29 on both sides of the internal wiring 29, and the drive device 2 of the drawer 8
By isolating the internal wiring 29 from 1, gear etc.
It is possible to prevent the entanglement of

As described above, according to the present invention, in an automatic rice cooker having a drawer incorporating a rice cooking section, by performing more reliable internal wiring processing, it is possible to provide an automatic rice cooker that is less likely to break down (and is easy to use). It is possible.

Effects of the Invention As explained in the above embodiments, according to the present invention, the following effects are obtained.

(1) Internal wiring that tends to be subjected to tensile force can always be formed with a long enough length so that it is not subject to tensile force, and there is no problem such as disconnection due to pulling of the internal wiring when taken out from the drawer. This can be prevented.

■The internal wiring located on the shielding board and reaching the rear of the case is fixed on the shielding board to prevent free movement of the internal wiring that is taken out from the drawer when the drawer is stored, and to prevent the internal wiring from moving freely to the drawer sliding part. This prevents problems such as wire breakage due to jamming.

(■) By providing a tension mechanism at the folded part of the internal wiring, it is possible to prevent the free movement of the internal wiring taken out from the drawer when the drawer is stored, and in addition, the folding point is constantly changed as the drawer moves. This prevents the internal wiring that is taken out from the drawer from bending, becoming bent due to fatigue, and from becoming jammed.

(4) By providing guide bodies on the shielding plate along the internal wiring on both sides of the internal wiring, the internal wiring can be isolated from the driving part of the drawer and can be prevented from getting caught in gears, etc.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional view showing an embodiment of the automatic rice cooker of the present invention, Fig. 2 is an external perspective view of the automatic rice cooker, Fig. 3 is a perspective view of essential parts of the automatic rice cooker, and Fig. 4 is a sectional view for explaining the principle of the automatic rice cooker. 1...Rice bin, 4...Rice washing device, 8...Drawer,
21... Drive device, 29... Internal wiring, 33...
Folding portion, 31...shielding plate, 34... tension device. Name of agent: Patent attorney Shigetaka Awano 1 person 2nd plan - circle wiring 3I - -α Meal 33 - folding vessel 3rd drawing

Claims (4)

[Claims] (1) A drawer that incorporates a rice cooking section and can be moved in and out of the housing, a drive device for this drawer, a rice bin provided in the housing, and a rice washing device that washes rice from the rice bin;
a conveyance device that conveys rice washed by the rice washing device to the rice cooking section, a shielding board is provided in the housing below the drawer, and a shielding plate is provided in the housing below the drawer, and a shielding plate is provided between the drawer and the housing from the rear of the bottom of the drawer and the front. The automatic rice cooker is connected by an internal wiring that is bent in two toward the front, is located on the shielding plate, and reaches the rear of the casing. (2) The automatic rice cooker according to claim 1, wherein the internal wiring located on the shield plate and extending to the rear of the housing is fixed on the shield plate. (3) The automatic rice cooker according to claim 1, wherein the bent portion of the internal wiring that is bent in two and located on the shielding plate and extending to the rear of the housing is pulled from the front by a tension mechanism. (4) The automatic rice cooker according to claim 1, wherein guide bodies are provided on the shielding plate along the internal wiring on both sides of the internal wiring located on the shielding plate and extending to the rear of the housing.