JP2003000434A - Electric rice cooker with automatic rice wash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric rice cooker with automatic rice washing which does not occupy a place to work on washing, cooking rice and washing the pot, which can save labor for the work and which can easily wash, cook rice and wash the pot. SOLUTION: A pot body 3 is set on a rice cooker box 1 having a tap supply hole and a gas supply hole. In a picking base part 20 located under an operation picking 12, a function axis 22 is equipped. One end of a operating arm 24 is held on the function axis 22 and the other end is linked to a function hooking part 56 equipped with a water supplying pipe 50, so the operating arm 24 is furnished to move up and down. A pressing par 21 is furnished on the picking base part 20, and the operating arm 24 crossing between the function axis 22 and the water supplying pipe 50 interlocks the function hooking part 56 of the water supplying pipe 50. A gas burner 32 is equipped around a pipe under the pot 31 and a drainage vertical pipe 34 is placed at the lower part of the pipe under pot 31. A water supplying pipe nozzle 52 is furnished at the top end of the water supplying pipe 50 and at the lower part of the pipe 50, a seal cylinder 37 is inserted. At near by the lower end of the water supplying pipe 50, the function hooking part 56 is furnished.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic rice-washing rice cooker for use in places where a large amount of rice needs to be cooked, such as restaurants and lunch centers.

[0002]

2. Description of the Related Art In a conventional large-scale rice cooker, when washing rice, the weighed rice is put directly into the rice cooker for washing, or the rice that has been washed in another container or a rice washer is transferred to the rice cooker. Was. For this reason, when washing rice directly in the pot of a rice cooker, a great deal of labor is required for the stirring work for washing rice and the replacement work of washing water, and it is a heavy labor. In case of washing rice, not only the rice washing work place is required separately but also the rice after washing must be transferred to the rice cooker, which is troublesome and labor-intensive. Further, the washing work of the rice cooker after cooking rice is a heavy work because the rice cooker is large, and it takes time and labor.

[0003]

Therefore, in view of the above-mentioned prior art, the present invention requires less space for each work of washing rice and washing rice, requires less labor and labor, and can easily wash rice and cook rice. And an object of the present invention is to provide an automatic rice washing rice cooker that can be washed.

[0004]

In order to achieve the above object, the automatic rice washing rice cooker according to claim 1 of the present invention has a water supply port.
(5), a gas supply port (6), a rice cooker box (1) provided with a power plug (7) is provided with a pot (3) having a lid (2) on the upper surface, and an operation plate provided on the front (8) has a timer switch for washing rice
(9), water quantity timer switch for rice cooking (10), operation knob (12)
Is equipped with a water supply switch (13) and a drain switch (14), respectively, and is operated by the operation of the operation knob (12).
A solenoid (27) having (26) is arranged, and the operation knob (1
The operating shaft (22) is attached to the knob base (20) below 2), the guide cylinder (23) is installed above the operating shaft (22), and the shaft stopper (38) is installed below. It is fixedly supported, and the operating shaft (22) has an operating arm rod (24).
One end of the arm is pivotally supported, and the other end is brought into contact with the actuated lock part (56) of the water supply pipe (50), and the actuating knob (12) moves the actuating arm rod (24) up and down. Attach it as you do, operation knob (12)
Attach the pressing part (21) to the knob base (20) that interlocks with the operating shaft.
(22) and the water supply pipe (50) are mounted on the operating arm rod (24).
It is equipped with a pressing part (21) that is operated by operating the selector switch (28) in conjunction with the operation locking part (56) of the A gas burner (32) for cooking rice, which is provided with (31) and is connected to the gas supply port (6) on the outer periphery of the bottom pipe (31).
The ignition device (33) is arranged in the vicinity of the gas burner (32), the drainage horizontal pipe (34) is connected to the lower end of the bottom pipe (31), and the drainage horizontal pipe (34) is The inner pipe (40), which is connected to the drain main (36) communicating with the receiving part (4) via the drain solenoid valve (34), is equipped with an inner pipe (40) inside the bottom pipe (31). The upper mesh portion (43), the middle mesh portion (64), the lower mesh portion (65) are provided on the wall, and the interior pipe (40) is detachably disposed, and the upper mesh portion (43) and the middle mesh portion ( 64), a water supply pipe nozzle (52) communicating with the lower mesh portion (65) is detachably attached to the upper end of the water supply pipe (50), and a seal tube (3) is provided below the water supply pipe (50).
7) and insert it in the vicinity of the lower end of the water supply pipe (50).
6) is attached, the water supply hose (57) is connected to the lower end of the water supply pipe (50) via the water supply solenoid valve (58), and the lower end of the water supply pipe (66) is connected to the other end of the water supply hose (57). It is configured so that it is always biased downwards. According to this configuration,
Only with the automatic rice-washing rice cooker, it is possible to automatically perform water supply, drainage and rice cooking from rice washing to rice cooking, and it does not occupy a place for each work of washing rice and cooking rice. Can be washed rice, cooked rice and washed.

In the automatic rice washing rice cooker according to claim 2, the interior pipe (40) according to claim 1 comprises an upper interior pipe (41) and a lower interior pipe (42), and the upper interior pipe (41) Is a lower part of the water supply pipe nozzle (52), which is provided with an upper mesh part (43), a middle mesh part (64), and a lower mesh part (65), which are finer than the rice grains, on the outer peripheral walls of the upper part, the middle part and the lower part. A substantially horizontal L-shaped cut (44) is provided at the lower end of the connecting tubular portion (45), and a locking projection (46) is provided on the upper inner peripheral wall of the lower interior pipe (42) so as to project from the cut ( The upper and lower interior pipes (41) and (42) are detachably connected by fittingly locking the locking protrusion (46) and the locking protrusion (46). According to this configuration, since the inner pipe (40) can be divided into upper and lower parts, cleaning after cooking rice can be easily performed, and labor and labor for cleaning rice, cooking rice and cleaning a rice cooker can be reduced.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an automatic rice-washing rice cooker according to the present invention will be described with reference to the drawings. The automatic rice-washing rice cooker according to the present invention, as shown in FIG. 1, has a pot body (3) having a lid (2) arranged at the center of the upper surface of a rice cook box (1), and is provided around the pot body (3). The receiving part (4) is provided, and the water supply port (5), the gas supply port (6), and the power plug (7) are provided on the left side surface of the operation plate (8) in this order from the top. On the front side, the rice washing timer switch (9) is on the upper left side, the rice water flow rate timer switch (10) is on the lower side, and the vertically movable operation knob (12) is on the lower side of the central vertical hole (11). Switch (13) for water supply on the upper right side,
The drainage switches (14) are respectively arranged below them.

The operation knob (12) is, as shown in FIG.
It is attached integrally with the knob base (20), and on the lower right side of the knob base (20), a pressing section (21) interlocking with the changeover switch (28) is attached, and below the knob base (20). The operating shaft (22) is attached, and the operating shaft (22) is attached with a guide tube (23) on the upper side and is fixedly supported by a shaft stopper (38) provided in the rice cooking box (1). ) And the shaft stopper (38), one end of the actuating arm rod (24) is pivotally supported below the actuating shaft (22), and the other end of the actuating arm rod (24) contacts the actuating locking portion (56). When the operating knob (12) moves up and down, the operating arm rod (24) moves up and down in conjunction with the operating shaft (22), and the operating knob (12) moves upwards. A solenoid (27) having an interlocking rod (26) is arranged, and a changeover switch (28) operated by the pressing portion (21) is arranged near the upper part of the guide cylinder (23). is there.

Further, as shown in FIG. 2, a bottom center hole (30) is formed at the center of the bottom of the hook body (3), and a bottom pipe (31) communicating with the bottom center hole (30) is attached to the hook body. (3) A gas burner (32) for rice cooking, which is fixed to the back surface and is connected to the gas supply port (6), is provided around the outer periphery of the center of the kettle lower pipe (31), and near the gas burner (32). The ignition device (33) is arranged, the drainage horizontal pipe (34) is connected to the lower end of the shuttle lower pipe (31), and the other end of the drainage horizontal pipe (34) is connected via the drainage solenoid valve (35).
It is connected to the main drainage pipe (36) communicating with the receiving part (4). Inside the shuttle lower pipe (31), an inner pipe (40) having an upper mesh portion (43), a middle mesh portion (64) and a lower mesh portion (65) on the outer peripheral wall is provided slidably in the vertical direction. Then, the water supply pipe nozzle (52) communicating with the middle mesh portion (64) is detachably arranged in the inner pipe (40), and the lower inner pipe is
The water supply pipe (50) is inserted through the support plate (53) installed in the (42), and a seal tube (37) is installed at the center of the lower end of the shuttle lower pipe (31) to prevent leakage of drainage. ) Through water pipe (50)
Through.

The inner pipe (40) is an upper inner pipe (41) and a lower inner pipe.
Although it may be integrated without being separated into (42), as shown in FIG. 5, the inner pipe (40) has a structure in which it can be separated into an upper inner pipe (41) and a lower inner pipe (42). ) Forms upper mesh part (43), middle mesh part (64), and lower mesh part (65), which are finer than rice grains, on each of the upper, middle, and lower peripheral walls, and is a symmetrical horizontal L-shaped cut. (44)
Is connected to the inner wall of the lower end, and the locking projections (4) are symmetrically arranged on the inner wall of the upper part of the lower interior pipe (42) of the tubular body.
The upper and lower interior pipes (41) and (42) are detachably connected by projecting the projection (6) and engaging and locking the locking projection (46) with the notch (44).

At the upper end of the water supply pipe (50) having water supply ports (51) formed on the left and right, the upper mesh portion (43) and the middle mesh portion of the upper interior pipe (41) are provided.
(64), the support plate (5) that supports the water supply pipe (50) by fitting the water supply pipe nozzle (52) of the connecting cylinder part (45) continuous with the lower mesh part (65)
3) is fixed to the inner wall of the lower interior pipe (42), the upper stopper (54) made of rubber is attached to the upper part of the water supply pipe (50) to prevent drainage leakage at the lower end of the kettle lower pipe (31). Seal tube (37) and lower stopper (5
5) is attached, and an operation locking portion (56) which contacts the operation arm rod (24) is attached to the lower part thereof. Next, an L-shaped water supply hose (57) connected to the lower end (66) of the water supply pipe is connected, and the other end of the water supply hose (57) is connected to a water supply port via a water supply solenoid valve (58).
Coil spring (62) at the lower end of the water supply hose (57)
, And the water supply pipe (50) is arranged so as to be biased in a state where it is always pulled downward.

The water supply pipe nozzle (52) is provided with an insertion portion (63) which is detachably fitted on the upper end of the water supply pipe (50) at a lower portion thereof, and an opening portion (61) on the left and right sides of the water supply pipe nozzle (52). It is a letter-shaped hollow body.

Next, a method of using the automatic rice-washing rice cooker according to the present invention will be described with reference to the drawings. First, the rice washing process will be described. As shown in Fig. 1, rice cooking box (1)
Put a predetermined amount of weighed rice in the pot body (3) and cover with the lid (2), and as shown in FIG. 2, place the operation knob (12) of the operation plate (8) along the vertical hole (11). The operation knob (12) and the solenoid (27) at the base (20).
The rod (26) is pressed to lock the operation knob (12) at that position. At this time, as shown in FIG. 3, by pulling up the operation knob (12), the lower stopper (55) is brought into contact with the lower end of the seal tube (37) and the water supply pipe (50) is prevented from rising more than necessary. is doing. Further, by pulling up the operation knob (12), as shown by the chain double-dashed line in FIG. 2, against the pulling force of the coil spring (62), the water supply which is in contact with the operating arm rod (24). The operation locking part (56) of the pipe (50) rises, the inner pipe (40) rises in the bottom pipe (31) of the pipe, and as shown in FIG. 41) Upper mesh part (43), Middle mesh part (64), Lower mesh part
(65) projects into the hook body (3). Next, according to the amount of rice put in the pot (3), as shown in Fig. 6, turn the water quantity timer switch for cooking rice (10) and the switch for washing rice (9) to set the scale according to the amount of washed rice. Then, the power switch first
(59) and the rice cooking ignition switch (60) are inserted, the timer of the rice washing switch (9) operates with the changeover switch (28), and the drainage solenoid valve (35) and water supply solenoid valve (58) Open to enable drainage and water supply. As a result, the state shown in FIG. 3 is obtained, and the tap water supplied from the water supply port (5) according to FIG. 2 is supplied with the water supply solenoid valve (58), the water supply hose (57), and the water supply pipe.
(50), the water supply pipe nozzle (52), via the middle mesh portion (64) of the interior pipe (40), it is sprayed for a certain time in a shower shape over the entire bottom periphery of the pot body (3) to wash rice. The washing water flows from the middle mesh part (64) of the upper interior pipe (41) into the pot body (3), and the drainage is the upper mesh part (43), the lower mesh part (65) to the pot lower pipe (31), Drainage horizontal pipe (34),
It is discharged to the outside through the drainage solenoid valve (35) and the drainage main (36). At this time, rice is the upper mesh portion (43) of the inner pipe (40),
Since the middle mesh portion (64) and the lower mesh portion (65) are finer than the rice grains, they remain in the pot body (3). In this state, the rice is washed by the water pressure of the washing water and simultaneously drained, as shown in FIG. The rice is washed for a certain period of time set by the rice washing timer switch (9), the dial of the rice washing switch (9) returns to 0, and the drainage solenoid valve (35) is closed. Further, in FIG. 3, the water supply pipe nozzle
Since the (52) is communicated with the middle mesh portion (64) of the interior pipe (40), the water supplied from the water supply pipe nozzle (52) is sprayed from the middle mesh portion (64) without waste and the pot ( 3) In addition to being supplied inside, the washing water flows from the bottom of the pot body (3) along the peripheral wall of the upper surface, washing rice as it flows from bottom to top, and then the upper mesh part (43) and the lower mesh part Since the washing water is discharged from (65), rice can be washed efficiently. When the set time has elapsed, the dial of the rice-washing timer switch (9) has a scale of 0, and at the same time, the water-supply solenoid valve (58) closes and water supply for rice-washing stops, leaving only rice in the pot. , All the water is drained and the washing work is completed.

The rice cooking process will be described. As shown in Fig. 6, the dial scale of the rice washing timer switch (9) becomes 0 points, and when the rice washing work is completed, the drainage solenoid valve (35) closes, and at the same time, the rice cooking preset as described above. The timer switch (10) starts to operate and the water supply solenoid valve (5
8) opens and the water supply solenoid valve (58), water supply hose (57), water supply pipe (5
0), a predetermined amount of water required for cooking rice is supplied to the pot body (3) from the lower mesh portion (65) of the interior pipe (40) via the water supply pipe nozzle (52). Timer switch for cooking rice after a predetermined time
The dial scale of (10) becomes 0, and the water supply solenoid valve (58)
And the water supply for cooking rice stops, and at the same time, as shown in Fig. 4, the protruding rod (26) of the solenoid (27) is retracted, and the rod (26) and the knob base (20) are fitted together. The lock is released, and the tension of the coil spring (62) arranged in the water supply pipe (50) causes the water supply pipe (50) to descend, causing the upper stopper (54) to contact the upper surface of the seal tube (37). And the descent stops. At this time,
Interior pipe (40) connected to water supply pipe (50) through support plate (53)
Is descended from the state protruding from the central portion of the hook body (3) and is installed inside the hook lower pipe (31). As shown in FIGS. 2 and 4, the bottom of the hook body (3) is the inner pipe. The upper surface of (40) is covered and the actuating shaft (22) descends via the actuating arm rod (24) loosely fitted to the actuating locking part (56) attached to the water supply pipe (50). Then, the knob base (20) attached to the upper end of the operating shaft (22) descends,
The operation knob (12) descends from the upper end of the vertical hole (11) of the operation plate (8) and returns to the original position of the lower end. When the operation knob (12) returns to its original position, as shown in FIG. 6, the changeover switch (28) is pressed by the pressing portion (21) provided in series with the operation knob (12), and the water supply switch ( 13) and the drain switch (14) are turned off. Next, when the gas burner (32) is ignited by the ignition device (33), rice cooking is started, and the gas is automatically stopped after a predetermined time set by the dial of the rice cooking timer switch (10) has elapsed, and the rice is cooked. Is in the end state.
In addition, when the dial of the rice washing timer switch (9) is turned, even if the rice water flow rate timer switch (10), water supply switch (13), and drain switch (14) are turned on, the No current will flow until the dial of the rice washing timer switch (9) returns to the 0 point position. Also, even if the dial of the rice-washing timer switch (9) is turned, it will not return to rotation in a stopped state until the knob is raised and current flows.

The step of cleaning the inside of the pot after cooking rice will be described. To remove the cooked rice and wash the empty pot body (3), as shown in Figs. 1 and 2, in the same way as when washing rice, the operation knob (12) of the operation plate (8) is used. ) Is pulled up to the upper end along the vertical hole (11) and the operation knob (12) is pushed in, and the knob base (20) of the operation knob (12) is attached to the contact rod (26) of the solenoid (27).
When it is fitted in, the operation knob (12) is locked at that position, the power is turned on, and the interior pipe (40) projects from the central hole of the hook body (3). Internal pipe (40) protruding into the hook body (3)
Turn slightly to the left, and cut the upper inner pipe (41) into the notch (44) and lower inner pipe.
Release the fitting lock of the locking projection (46) of (42), and
1) and lower interior pipe (42) are separated, upper interior pipe (41) is removed,
At the same time, remove the water supply pipe nozzle (52) from the water supply pipe (50).
The state is shown in. Then, as shown in FIG.
When pressing the water supply switch (13) and drain switch (14) of (8) to open the water supply solenoid valve (58) and drainage solenoid valve (35), the water supply port (51) at the tip of the water supply pipe (50) The water is sprayed laterally from the washing machine to wash off adhered substances such as rice grains adhered to the inner wall of the pot body (3). As shown in FIGS. 2 and 3, the washed-out deposits are transferred to the lower interior pipe (42), the lower pot pipe (31), the drainage horizontal pipe (34), the drainage solenoid valve (35), and the drainage main pipe (36). When the water is drained through and the cleaning is completed, press the water supply switch (13) to
8) is closed and water supply is stopped. After this, while inserting the water supply pipe nozzle (52) in the upper interior pipe (41) into the upper end of the water supply pipe (50), turn the upper interior pipe (41) slightly to the right to remove the upper interior pipe (41). Connect the upper internal pipe (41) to the lower internal pipe (42) by fitting and locking the notch (44) of the connecting tubular part (45) and the locking protrusion (46) of the lower internal pipe (42). After returning to the original state, push the operation knob (12) a little,
Release the fitting lock between the operating knob (12) and the rod (26) of the solenoid (27), lower the operating knob (12) to the original position, and remove the inner pipe (40). It is housed in the lower kettle pipe (31) and brought into the state shown in FIG. When the operation knob (12) returns to the original position, the changeover switch (28) is pressed by the pressing portion (21) provided in series with the operation knob (12), and the water supply switch (13) and the drainage switch. The power of (14) is turned off. At this time, the rice cooker water amount timer switch (10) is returned to the initial position, so that the ignition device (33) is not ignited. The rice cooking ignition switch (60) is the ignition device (33).
If it is fully automatic, in case of fully automatic, put the rice cooker switch (10) with the button of the rice cooker switch (10) pressed when the dial of the rice cooker water quantity timer switch (10) is turned in advance. As described above, the operations of washing rice, cooking rice, and washing are executed by repeating the operation.

In the above-described embodiment, the inner pipe (40) is separated into the upper and lower parts, but in the cleaning process, the water supply pipe
It suffices that the water supply port (51) is exposed at the tip of (50) so that adhered substances such as rice grains can be washed and discharged, and the integrated inner pipe (40) is detachably screwed to the tip of the water supply pipe (50). It may be configured to be possible. In this case, the water supply pipe nozzle (52)
Is required as long as it can be jetted from the middle mesh portion (64) of the interior pipe (40) without the water supply from the water supply port (51) of the water supply pipe (50) being scattered, and its shape and material are not particularly limited. is not. In the embodiment described above, the drain horizontal pipe (34) is connected to the lower right wall of the bottom pipe (31), but the horizontal drain pipe (34) is directly attached to the lower end of the bottom pipe (31). The drainage horizontal pipe (34) may be continuously provided so that the washings do not collect at the lower end of the pot lower pipe (31), and the connection site and shape are not particularly limited. is not.

[0016]

As is clear from the above description, the automatic rice-washing rice cooker according to the present invention has various practical advantages listed below. The automatic rice washing rice cooker according to the present invention is
This unit can automatically supply water, drain water, and cook rice from washing rice to cooking rice, and saves time and effort for washing rice and washing rice. Can be cooked and washed. Further, by making the inner pipe vertically separable, it is possible to easily wash the pot after cooking rice, which has an excellent effect of reducing labor and labor.

[Brief description of drawings]

FIG. 1 is a front view of an automatic rice-washing rice cooker according to an embodiment of the present invention.

FIG. 2 is a side view showing a part of the automatic rice-washing rice cooker with some parts omitted.

FIG. 3 is a partially omitted enlarged cross-sectional explanatory view of the vicinity of a pot body when washing rice in the automatic rice-washing rice cooker.

FIG. 4 is a partially omitted enlarged cross-sectional explanatory view of the vicinity of the pot body when the automatic rice-washing rice cooker cooks rice.

FIG. 5 is a partially omitted enlarged cross-sectional explanatory view of the vicinity of the pot body when the automatic rice-washing rice cooker is washed.

FIG. 6 is a block diagram of an electric circuit of the automatic rice-washing rice cooker.

[Explanation of symbols]

(1) Rice cooking box (2) Lid (3) Hook (4) Receiver (5) Water supply port (6) Gas supply port (7) Power plug (8) Operation board (9) Timer switch for washing rice (10) Water amount timer switch for cooking rice (11) Vertical hole (12) Operation knob (13) Water supply switch (14) Drain switch (20) Pick base (21) Pressing part (22) Working shaft (23) Guide tube (24) Actuating arm rod (26) Toji (27) Solenoid (28) Changeover switch (30) Bottom central hole (31) Kettle lower pipe (32) Gas burner (33) Ignition device (34) Drainage horizontal pipe (35) Drainage solenoid valve (36) Drainage main (37) Seal tube (38) Shaft stop (40) Interior pipe (41) Upper interior tube (42) Lower interior pipe (43) Upper mesh part (44) Notch (45) Connection tube (46) Locking protrusion (50) Water pipe (51) Water inlet (52) Water pipe nozzle (53) Support plate (54) Upper stopper (55) Lower stopper (56) Operation locking part (57) Water supply hose (58) Water supply solenoid valve (59) Power switch (60) Ignition switch for rice cooking (61) Opening (62) Coil spring (63) Insert (64) Middle mesh part (65) Lower mesh part (66) Lower end of water supply pipe

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[Procedure amendment]

[Submission date] July 2, 2001 (2001.7.2)

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

The rice cooking process will be described. As shown in Fig. 6, the dial scale of the rice washing timer switch (9) becomes 0 points, and when the rice washing work is completed, the drainage solenoid valve (35) closes, and at the same time, the rice cooking preset as described above. The timer switch (10) starts to operate and the water supply solenoid valve (5
8) opens and the water supply solenoid valve (58), water supply hose (57), water supply pipe (5
0), through the water supply pipe nozzle (52), the middle mesh of the interior pipe (40)
A predetermined amount of water required for cooking rice is supplied to the pot body (3 ) from the section (64) . Timer switch for cooking rice after a predetermined time
The dial scale of (10) becomes 0, and the water supply solenoid valve (58)
And the water supply for cooking rice stops, and at the same time, as shown in Fig. 4, the protruding rod (26) of the solenoid (27) is retracted, and the rod (26) and the knob base (20) are fitted together. The lock is released, and the tension of the coil spring (62) arranged in the water supply pipe (50) causes the water supply pipe (50) to descend, causing the upper stopper (54) to contact the upper surface of the seal tube (37). And the descent stops. At this time,
Interior pipe (40) connected to water supply pipe (50) through support plate (53)
Is descended from the state protruding from the central portion of the hook body (3) and is installed inside the hook lower pipe (31). As shown in FIGS. 2 and 4, the bottom of the hook body (3) is the inner pipe. The upper surface of (40) is covered and the actuating shaft (22) descends via the actuating arm rod (24) loosely fitted to the actuating locking part (56) attached to the water supply pipe (50). Then, the knob base (20) attached to the upper end of the operating shaft (22) descends,
The operation knob (12) descends from the upper end of the vertical hole (11) of the operation plate (8) and returns to the original position of the lower end. When the operation knob (12) returns to its original position, as shown in FIG. 6, the changeover switch (28) is pressed by the pressing portion (21) provided in series with the operation knob (12), and the water supply switch ( 13) and the drain switch (14) are turned off. Next, when the gas burner (32) is ignited by the ignition device (33), rice cooking is started, and the gas is automatically stopped after a predetermined time set by the dial of the rice cooking timer switch (10) has elapsed, and the rice is cooked. Is in the end state.
In addition, when the dial of the rice washing timer switch (9) is turned, even if the rice water flow rate timer switch (10), water supply switch (13), and drain switch (14) are turned on, the No current will flow until the dial of the rice washing timer switch (9) returns to the 0 point position. Also, even if the dial of the rice-washing timer switch (9) is turned, it will not return to rotation in a stopped state until the knob is raised and current flows.

Claims (2)

[Claims] 1. A pot body (3) having a lid (2) on the upper surface of a rice cooking box (1) provided with a water supply port (5), a gas supply port (6), and a power plug (7). The operation plate (8) is equipped with a rice washing timer switch (9), a rice water amount timer switch (10), an operation knob (12), a water supply switch (13), and a drain switch (14). Then, by operating the operation knob (12), a solenoid (27) having a rod (26) interlocking with the operation knob (12) is provided, and an operating shaft (20) is provided on the knob base (20) below the operation knob (12). 22) is pivotally mounted, and a guide tube (23) is attached above the operating shaft (22), and the lower part is fixedly supported by a shaft stopper (38), and the operating arm rod (24) is attached to the operating shaft (22). ) Is pivotally supported, and the other end is brought into contact with the operation locking part (56) pivotally attached to the water supply pipe (50), and the operation arm rod (24) is vertically moved by operating the operation knob (12). Attach as if to
The pressing arm (21) is attached to the knob base (20) that interlocks with (12), and the operating arm rod (24) mounted on the operating shaft (22) and the water supply pipe (50) is the water supply pipe.
The hook (3) is provided with a pressing part (21) which is interlocked with the operation locking part (56) of (50) and which is operated by the operation of the changeover switch (28).
A bottom cooker pipe (31) is installed in the bottom center hole (30) of the cooker, and the cooker gas burner (3) connected to the gas supply port (6) is provided around the bottom cooker pipe (31).
2) is arranged, the ignition device (33) is arranged in the vicinity of the gas burner (32), the drainage horizontal pipe (34) is connected to the lower end of the furnace lower pipe (31), and the drainage horizontal pipe (34) Is connected to the drain main (36) communicating with the receiving part (4) via the drain solenoid valve (34), and the internal pipe (40) equipped inside the bottom pipe (31) is The upper mesh portion (43), the middle mesh portion (64), the lower mesh portion (65) provided on the outer peripheral wall to dispose the interior pipe (40) detachably, the upper mesh portion (43),
Water pipe nozzle (5) communicating with the middle mesh part (64) and the lower mesh part (65)
2) is detachably attached to the upper end of the water supply pipe (50), and the water supply pipe (5
Insert the seal tube (37) below (0), attach the above-mentioned operation locking part (56) near the lower end of the water supply pipe (50), and connect the water supply solenoid valve (58) to the lower end of the water supply pipe (50). The water supply hose (57) is connected via the water supply hose (57), and the lower end of the water supply pipe (66) is arranged at the other end of the water supply hose (57) so as to always be biased downward. Automatic rice washing rice cooker. 2. The inner pipe (40) is an upper inner pipe (41) and a lower inner pipe.
(42) consists of the upper inner pipe (41), the upper mesh portion (43) finer than the rice grains on the upper, middle and lower outer peripheral walls,
The middle mesh part (64) and the lower mesh part (65) are provided, and the water supply pipe nozzle (52)
The left and right sides of the lower part of the connecting cylinder part (45) are approximately laterally symmetrical.
The lower internal pipe (42) is provided with a symmetrical locking projection (46) on the upper inner peripheral wall of the lower interior pipe (42), and the cut (44) and the locking projection (46) are provided. The upper and lower inner pipes (41) (4
The automatic rice washing rice cooker according to claim 1, wherein 2) is detachably connected.