JP2013081596A - Rice washing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To manufacture a detecting member at a low cost while allowing it to fulfill its function with respect to a rice washing apparatus capable of detecting a receiving container set under a rice washing tank by detecting a swing of the detecting member which is pressed to be swung by the receiving container when the receiving container is set under the rice washing tank by a detecting sensor.SOLUTION: The detecting member 13 is configured by integrally forming with resin an upper pivotably support part 131 pivotably supported by a support frame 9 to support the rice washing tank 4, a lower pressed part 132 pressed by the receiving container A set at a receiving container setting part C, an resiliently deformable arm part 134 located between the upper pivotably support part 131 and the lower pressed part 132, and a sensor abutment part 136 abutting on a terminal 137 of the detecting sensor 129.

Description

  The present invention relates to a rice washing apparatus for washing and discharging rice.

There exists a rice washing apparatus of patent document 1 as a rice washing apparatus which wash | cleans and discharges rice.
This rice washing apparatus is equipped with a rice washing tank for washing rice and discharging it from the lower rice outlet. Below the rice washing tank, there is provided a container arrangement portion for arranging a receiving container for receiving the rice discharged from the rice washing tank.
Further, the rice washing apparatus is provided with a container detection device for detecting a receiving container arranged in the container arrangement part. The container detection device includes a detection member that swings when pressed by a receiving container disposed in the container placement portion, and a detection sensor that includes a contact sensor that detects the swing of the detection member.

The detection member includes a swinging member pivotally supported by a sensor bracket for mounting and fixing the detection sensor, and a detection arm attached to the swinging member.
The detection arm is provided between the U-shaped mounting portion that is attached to the swing member, the L-shaped pressed portion that is pressed against the receiving container disposed in the container placement portion, and the mounting portion and the pressed portion. The formed elastically deformable coil part is formed by bending a single wire.

In the rice washing apparatus having the above-described configuration, when the receiving container is arranged in the receiver arrangement portion, the receiving container contacts the pressed portion of the detection arm and presses the detection arm. When the detection arm is pressed, the swinging member swings together with the detection arm, and the swinging member comes into contact with the contact of the detection sensor, thereby confirming that the receiving container is placed in the receiver placement portion. It is detected by a detection sensor.
In addition, the coil portion is elastically deformed after the swinging member comes into contact with the contact of the detection sensor and the swinging of the detection arm is restricted, and the pressing force applied to the detection arm is released.

JP-A-6-1554079

The detection member of the conventional rice washing apparatus is composed of a swinging member and a detection arm, and has a large number of parts. The detection arm is bent in a single wire, so that it is attached in a U shape. Part, an L-shaped pressed part, and a coil part are formed, and the production of the detection arm is troublesome and time-consuming. Therefore, the conventional detection member has the subject that it is expensive.
Then, in view of the said problem, this invention makes it a subject to provide the rice-washing apparatus provided with the detection member which can be manufactured cheaply, exhibiting the function.

The technical means taken by the present invention to solve the technical problems are characterized by the following points.
In the invention which concerns on Claim 1, the rice washing tank which wash | cleans rice and is discharged | emitted from the rice discharge port of a lower end is provided, The container which arrange | positions the receptacle which receives the rice discharged | emitted from this rice washing tank under this rice washing tank A container detecting device provided with an arrangement portion and detecting a receiving container arranged in the container arrangement portion, the container detecting device being pressed by the receiving container arranged in the container arrangement portion, and a detection member that swings In the rice washing apparatus provided with a detection sensor for detecting the swing of the detection member,
The detection member includes an upper pivot portion that is pivotally supported by a support frame that supports the rice washing tank, a lower pressed portion that is pressed by a receiving container disposed in the container placement portion, and the pivot portion and the pressed portion. An elastically deformable arm portion positioned between and a sensor abutting portion that contacts the contact of the detection sensor are integrally formed of resin.

In the invention according to claim 2, the detection member has a pivotal support portion pivotally supported around the left and right axis so as to detect a receiving container placed from the front in the container placement portion, and the detection member. The pressed portion and the arm portion are formed in a band plate shape, the pressed portion is formed in a loop shape with the band width direction facing forward and backward, and the arm portion is formed with the band width direction facing left and right. It is characterized by.
According to a third aspect of the present invention, the sensor abutting portion is provided at an upper portion of the arm portion, and a bent portion formed in a curved shape that protrudes rearward is provided in an upper and lower middle portion of the arm portion. Is characterized in that it can be elastically deformed so as to extend its curvature.

  In the invention according to claim 4, a sensor bracket for attaching a detection sensor to the support frame is fixedly mounted, a pivotal support portion of a detection member is pivotally supported on the sensor bracket, and detection is performed by a cover member fitted to the sensor bracket. A fixing tool for mounting and fixing the sensor and a pivot for pivotally supporting the pivot support portion are prevented from coming off from the sensor bracket.

The present invention has the following effects.
According to the first aspect of the present invention, the upper pivotally supported portion pivotally supported by the support frame, the lower pressed portion pressed by the receiving container, and elastic deformation between the pivoted portion and the pressed portion are possible. The detection member is formed by integrally forming a simple arm portion and a sensor contact portion that contacts the contact of the detection sensor with resin, and the detection member can be manufactured at low cost while performing its function. Can do.

According to the invention which concerns on Claim 2, the to-be-pressed part which needs intensity | strength, and the arm part which needs an elastic force can be formed easily.
According to the invention which concerns on Claim 3, the twisting of an arm part at the time of a receiving container contact | abutting to the to-be-pressed part of a detection member is suppressed by bending-forming the elastic deformation part of a strip | belt-plate-shaped arm part. Can do.

  According to the invention of claim 4, the cover member fitted to the sensor bracket is used to fix the detection sensor from the sensor bracket of the pivot that pivotally supports the fixture and the pivot that supports the detection sensor. The fixture and the pivot can be reliably prevented from falling off.

It is a perspective view of a rice washing machine. It is a front schematic diagram of a rice washing machine. It is front sectional drawing of a rice washing tank lower part and a drainage box. It is a side view of a container arrangement | positioning part. It is a side view of a detection member arrangement part. It is a disassembled perspective view of the detection member arrangement | positioning part. It is the perspective view seen from the front side of the detection member upper part. It is the perspective view seen from the back side of the detection member upper part. It is the perspective view seen from the front side of the detection member lower part. It is a perspective view of a detection sensor and a mounting plate. It is a perspective view of a sensor bracket. It is a perspective view of a cover member. It is a side view of a detection member upper part. It is a front view of a detection member support part. It is a front view of a detection sensor attachment part.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2, reference numeral 1 denotes an automatic rice washing machine that automatically measures and cleans rice by microcomputer control.
This automatic rice washing machine 1 has upper and lower rice storages 2 and 3 and a rice washing tank 4 provided below the upper rice storage 2.

The upper and lower rice storages 2, 3 are provided with hoppers 7, 8 for storing rice in the rice storage cases 5, 6.
A support frame 9 is provided on the rear surface of the rice storage case 6 of the lower rice storage 3 so as to protrude upward from the rice storage case 6, and the upper rice storage 2 is attached and fixed to the upper part of the support frame 9. ing.
A blower 10 is provided in the rice storage case 6 of the lower rice storage 3, and this blower 10 is connected to the hopper 7 of the upper rice storage 2 by a suction pipe or the like, and the hopper of the upper rice storage 2. 7 and the hopper 8 of the lower rice storage 3 are connected by a rice transport pipe or the like.

The blower 10 sucks the air in the hopper 7 of the upper rice storage 2 through the suction pipe or the like, so that the upper storage through the rice transport pipe or the like from the hopper 8 of the lower rice storage 3. Rice is pneumatically conveyed to the hopper 7 of the rice warehouse 2.
A rice meter 11 is provided below the hopper 7 of the upper rice storage 2 to measure the rice in the hopper 7 and drop it into the rice washing tank 4.

As shown in FIG. 4, an arrangement space S in which a receiving container A such as an inner pot of a rice cooker can be arranged is provided between the rice washing tank 4 and the lower rice storage 3. 3 is used as a mounting surface B on which the receiving container A is mounted (therefore, in the case of this embodiment, the storage case 6 of the lower rice storage 3 is mounted on which the receiving container A is mounted). It is said to be a table).
A container placement portion C is configured by the placement space S in which the receiving container A can be placed and the placement surface B on which the receiving container is placed.

On the rear side of the arrangement space S (container arrangement portion C) of the receiving container A below the rice washing tank 4, there are a regulation bar 12 for restricting rearward movement of the receiving container A and a detection member 13 for detecting the receiving container A. Is provided.
The restriction bar 12 is supported by a pair of left and right support arms 14 attached to the support frame 9. The detection member 13 is attached to and supported by a support member 15 attached to the support frame 9 so as to be swingable back and forth.

The rice washing tank 4 is supported by the support frame 9, and is attached to and fixed to the lower wall of the rice storage case 5 of the upper rice storage 2 and is attached to and detached from the lower end side of the tank mounting portion 16. A tank main body 17 that is freely attached and a drainage jacket 18 that is detachably attached to the lower end side of the tank main body 17 are provided.
The tank mounting portion 16 is provided with a partition wall inside a cylindrical main body. The tank body 17 is formed in a funnel shape having a cylindrical upper portion and a tapered portion as the lower portion goes downward, and has a vertically opened shape. The drainage jacket 18 has a cylindrical main body, is formed in an upper and lower opening shape, and has a rice draining port 22 on the lower end side.

The upper end opening of the tank body 17 communicates with the tank mounting portion 16, and the lower end opening of the tank body 17 communicates with the drainage jacket 18.
A stirring member 19 and a valve rod 20 are provided in the rice washing tank 4.
The stirring member 19 can be driven to rotate about the vertical axis by a stirring motor provided in the rice storage case 5 of the upper rice storage 2.

The valve stem 20 has an axial center in the vertical direction and is arranged in the vertical direction at the center of the rice washing tank 4. As shown in FIG. 3, a rice draining valve 23 that opens and closes a rice draining port 22 on the lower end side of the drainage jacket 18 is provided on the lower end side of the valve rod 20.
The valve stem 20 can be moved up and down by a lifting motor provided in the rice storage case 5 of the upper rice storage 2. The rice draining valve 23 closes the rice draining port 22 by contacting its upper surface with the periphery of the rice draining port 22 from below, and the rice draining port 22 is opened by moving the rice draining valve 23 downward.

As shown in FIG. 3, a drainage box 26 is provided on the side of the drainage jacket 18, and the drainage box 26 and the drainage jacket 18 are connected to each other by drainage pipes 27 that are disposed sideways.
The drainage box 26 may not be disposed directly beside the drainage jacket 18, and the drainage box 26 may be displaced to the front side or the rear side with respect to the drainage jacket 18 (the drainage box 26 may be displaced from the drainage jacket 18. May be arranged on the front oblique side or rear oblique side). Further, the drainage box 26 may be disposed on the rear side of the drainage jacket 18.

The drainage in the drainage box 26 can be drained from the drainage hole 28 to a drainage groove or the like via a drainage hose or the like.
Further, the drainage box 26 is connected to an overflow portion 30 provided in the tank mounting portion 16 of the rice washing tank 4 through a vertical water distribution pipe 29.
A drain valve device 32 having a drain valve 31 for opening and closing the outlet side of the drain pipe 27 is provided in the drain box 26. The drain valve device 32 can be driven by a drain motor provided in the rice storage case 5 of the upper rice storage 2.

In the drainage jacket 18, a separation plate 34 formed in a truncated conical cylinder shape is provided so as to surround a space between the lower end opening of the tank body 17 and the rice draining port 22.
The separation plate 34 is formed with a large number of small holes that allow water to pass but not allow rice to pass from the drainage jacket 18 to the drainage box 26 so that rice soup (rice-washed water) flows with small impurities.

A water supply device for supplying water (tap water) into the rice washing tank 4 is provided in the rice storage case 5 of the upper rice storage 2.
In the automatic rice washing machine 1 configured as described above, rice is supplied to the rice washing tank 4 with the rice drain valve 23 closed, and the supplied rice is supplied to the rice washing tank 4 with the drain valve 31 opened. The rice is washed by rotating the agitating member 19 while driving the water while the drain valve 31 is closed or by rotating the agitating member 19 while supplying water with the drain valve 31 closed, and by overflowing the washing water in the rice washing tank 4 from the overflow portion 30. The

After the rice has been washed, the drain valve 31 is opened and drained, and then the drain valve 31 is closed. Next, after supplying water, the rice drain valve 23 is moved downward to open the rice drain port 22. Then, the rice and hydrated water are dropped and discharged to the receiving container A disposed below the washing tank 4.
As shown in FIGS. 4, 5, and 6, the restriction bar 12 is disposed in the left-right direction on the front side of the support frame 9 and on the lower side of the container arrangement space S, and the support arm 14 that supports the restriction bar 12. Are arranged on the left and right sides of the support frame 9.

The upper portions of the left and right support arms 14 are attached to the side wall 9a of the support frame 9 via a support shaft 126 so as to be rotatable around a horizontal axis.
The left and right ends of the restriction bar 12 are fixedly attached to the front lower end of the support arm 14 on the same side in the left-right direction.
The lower part of each of the left and right support arms 14 is fixedly attached to the support frame 9 by a fixing tool 127 such as a bolt that passes through the support arm 14 and is attached to the side wall 9a of the support frame 9 above the restriction bar 12. Yes.

In this embodiment, the receiving container A is arrange | positioned from the front side to the container arrangement | positioning part C, and is mounted on the rice storage case 6 of the lower rice storage box 3. FIG. At this time, the receiving container A comes into contact with the restriction bar 12 so that the rearward movement of the receiving container A is restricted, and the center side of the receiving container A is positioned substantially directly below the rice discharge port 22 of the rice washing tank 4. Can do.
The support arm 14 is formed with an insertion hole 128 through which the fixture 127 is inserted, and a plurality of the insertion holes 128 are formed at intervals on an arc centered on the support shaft 126 (this book). In the embodiment, five are formed). Therefore, in this embodiment, after the fixing tool 127 is removed from the insertion hole 128 and the support arm 14 is swung, the support arm 14 is fixed again by the fixing tool 127, so that the diameter of the upper end opening of the receiving container A is increased. The position of the front and rear positions of the restriction bar 12 can be changed in accordance with the size.

The detection member 13 is pressed by the receiving container A arranged in the container arrangement part C and swings backward. Then, by detecting the swing of the detection member 13 by the detection sensor 129 made of a contact sensor, the receiving container A is arranged in the container arrangement part C (the receiving container A is arranged below the rice washing tank 4). Is detected).
The detection member 13 and the detection sensor 129 mainly constitute a container detection device 130.

When the container detection device 130 does not detect the receiving container A, the rice is not dropped and discharged from the rice discharge port 22 of the rice washing tank 4.
As shown in FIGS. 4 to 9 and FIGS. 13 to 15, the detection member 13 is disposed on the upper side of the restriction bar 12 and on the left and right sides (right side in the illustrated example) of the support frame 9.
The support member 15 that supports the detection member 13 is provided on the side surface (right side surface) of the support frame 9 on the side where the detection member 13 is disposed. The support member 15 is disposed above the container disposition portion C (above the lower end of the rice washing tank 4).

The detection member 13 is pressed against the upper support portion 131 that is pivotally supported by the support member 15 (supported by the support frame 9 that supports the rice washing tank 4) and the receiving container A that is disposed in the container placement portion C. The lower pressed portion 132, the extended portion 133 extending upward from the pressed portion 132, and the pivot portion 131 and the pressed portion 132 are positioned (the pivot portion 131 and the extended portion are extended). An elastically deformable arm portion 134, which connects the portion 133, rib walls 135 A and 135 B provided on the upper portion of the arm portion 134, and a sensor contact portion that contacts and presses the contact 137 of the detection sensor 129. 136 is integrally formed of resin.

By integrally forming the detection member 13 with resin, the detection member 13 can be manufactured at low cost while exhibiting its function.
The pivotal support 131 is formed in a cylindrical shape having a horizontal axis.
The pressed portion 132 is formed in a band plate shape in which the band width direction faces front and rear (along the front and rear), and is formed in a rectangular loop shape that is long in the left and right direction when viewed from the front. Further, the pressed portion 132 is arranged in an inclined shape that moves forward as it goes downward, and the lower end side is positioned in front of the restriction bar 12 and enters the container arrangement portion C (container arrangement space S). Yes. Therefore, when the receiving container A is arranged in the container arrangement part C, it contacts the pressed part 132 of the detection member 13 before the regulation bar 12.

The extending portion 133 is formed in a band plate shape whose band width direction is directed forward and backward (along the front and rear), and extends upward from the upper end of the right side portion 132a of the pressed portion 132.
The arm part 134 is formed in a band plate shape whose band width direction is directed to the left and right (along the left and right), and an upper part (base part) 138 of the arm part 134 is connected to a lower part of the pivotal part 131. The lower end side (front end side) is connected to the upper end side of the extending portion 133. The middle part of the arm part 134 in the vertical direction is a curved bent part 139 that protrudes rearward. The bent portion 139 can be elastically deformed so that the curve is extended (the curvature is reduced).

  The left end surface of the base portion 138 of the arm portion 134 is flush with the right end surface of the arm portion 134, and the lower portion is positioned inward in the left-right direction with respect to the upper portion, and the lower portion 138 a The width is narrower than the upper portion 138b. From the lower end of the base portion 138 of the arm portion 134 to the tip of the arm portion 134, the width is the same as that of the lower portion 138 a of the base portion 138.

  The rib walls 135A and 135B are provided at both left and right ends of the base portion 138 of the arm portion 134. The left and right rib walls 135A and 135B extend from both left and right ends of the base portion 138 of the arm portion 134 to the front and rear sides, and are formed in a strip shape in which the band width direction faces front and rear. The rib walls 135A and 135B are formed from the upper part 138b to the lower part 138a along the end of the base part 138 of the arm part 134 in the band width direction. Therefore, the left rib wall 135A has a straight shape up and down, and the right rib wall 135B has a bowl shape at the bottom.

The sensor contact portion 136 is disposed on the right side of the lower portion 138a of the base portion 138 of the arm portion 134 and on the lower right side of the upper portion 138b of the base portion 138, and protrudes rightward from the lower rear portion side of the right rib wall 135B. Yes. Therefore, the sensor contact portion 136 is displaced rearward from the base portion 138 of the arm portion 134.
The sensor abutting portion 136 has an upper portion formed along the longitudinal direction of the arm portion 134 and a lower portion formed in an inclined shape that shifts to the rear side as it goes downward in the longitudinal direction of the arm portion 134.

As shown in FIGS. 10 and 13 to 15, the detection sensor 129 is provided with a contact 137 on the front side of the sensor main body 141, and a plunger 142 pressed by the contact 137 on the lower front side of the sensor main body 141. Is protruding.
In this embodiment, the contact 137 has an upper portion fixed to the sensor main body 141 and can be elastically deformed in the front-rear direction, and a roller supported rotatably around the left and right axis at the lower portion of the lever portion 137a. And a contact portion 137b.

The sensor body 141 of the detection sensor 129 is provided with a pair of upper and lower screw insertion holes 143a and 143b that are formed to penetrate in the left-right direction. The upper screw insertion hole 143 a is formed in the front part of the sensor main body 141, and the lower screw insertion hole 143 b is formed in the rear part of the sensor main body 141.
As shown in FIG. 6, the support member 15 includes a sensor bracket 144 to which the detection sensor 129 is attached, and a cover member 145 that is fitted to the sensor bracket 144 from above.

  As shown in FIG. 11 and FIGS. 13 to 15, the sensor bracket 144 has a side wall 146 arranged to face the right side surface of the support frame 9 and an upper end of the side wall 146 toward the right side surface of the support frame 9. An extended upper wall 147, a mounting wall 148 extending downward from the end of the upper wall 147 on the support frame 9 side, and extending from the rear end of the lower end of the side wall 146 toward the right side of the support frame 9 The lower wall 149 is mainly composed.

The end of the lower wall 149 of the sensor bracket 144 on the support frame 9 side is inserted into an engagement hole 150 formed in the right side wall 9a of the support frame 9 to be engaged with the right side wall 9a of the support frame 9. An engaging claw 151 is formed.
A screw insertion hole 152 is formed in the mounting wall 148 of the sensor bracket 144, and this mounting wall 148 is superimposed on the right side surface of the support frame 9 and is inserted into the right side wall 9 a of the support frame 9 through the screw insertion hole 152. It is fixedly attached to the support frame 9 by an attaching screw (fixing tool) 154 that is screwed into the provided screw hole 153.

A mounting hole 155 through which the mounting screw 154 and a tool (driver) can be inserted is formed concentrically with the screw insertion hole 152 in the upper part of the side wall 146 of the sensor bracket 144. Therefore, the sensor bracket 144 can be attached from the outer side in the left-right direction through the attachment hole 155.
A front portion of the sensor bracket 144 protrudes forward from the support frame 9, and a support hole 156 is formed concentrically through the side wall 146 and the mounting wall 148 in a portion protruding from the support frame 9.

Between the front side wall 146 and the mounting wall 148 of the sensor bracket 144, the pivotal support part 131 of the detection member 13 is arranged, and the pivotal axis 157 is inserted through the pivotal support part 131 and both the support holes 156, thereby the detection member 13. Is supported by the sensor bracket 144 so as to be swingable back and forth around the left and right axis.
A pair of upper and lower mounting holes 158A and 158B are formed on the side wall 146 of the sensor bracket 144 on the rear side of the detection member 13. The upper mounting hole 158A is a circular hole, and the lower mounting hole 158B is a long hole that is long in the front-rear direction. The lower mounting hole 158B is formed in an inclined shape that moves upward as it goes rearward.

  The detection sensor 129 is disposed behind the base 138 of the detection member 13 and between the side wall 146 of the sensor bracket 144 and the support frame 9. A mounting plate 159 is disposed on the side surface of the detection sensor 129 on the support frame 9 side. The mounting plate 159 is formed with a pair of upper and lower screw holes 161 that coincide with the screw insertion holes 143 of the detection sensor 129 in the left-right direction.

The detection sensor 129 is inserted into the upper and lower mounting holes 158A and 158B of the sensor bracket 144 and the upper and lower screw insertion holes 143 of the detection sensor 129 and is attached to the upper and lower screw holes 161 of the mounting plate 159 by the mounting screws 162. 144 is fixedly attached.
The contact 137 of the detection sensor 129 is positioned on the rear side of the sensor contact portion 136 of the detection member 13, and the contact portion 137 b of the contact 137 can contact the sensor contact portion 136. Then, when the detection member 13 is pushed backward by being pressed by the receiving container A arranged in the container arrangement part C, the sensor contact part 136 presses the contact 137 of the detection sensor 129 and the contact 137. Is swung rearward, whereby the plunger 142 of the detection sensor 129 is pressed, and it is detected that the receiving container A is arranged in the container arrangement portion C.

Further, by loosening the upper and lower mounting screws 162 to which the detection sensor 129 is attached, the detection sensor 129 can be swung back and forth around the upper mounting screw 162, and the upper and lower mounting screws 162 are swung back and forth. By tightening, the attachment position of the detection sensor 129 can be changed.
This is because the position of the detection sensor 129 can be adjusted correspondingly to the regulation bar 12 being adjustable in the front-rear position. Further, by adjusting the position of the detection sensor 129, the detection member 13 is also swung back and forth, and the pressed portion 132 so that the lower end side of the pressed portion 132 of the detection member 13 is positioned in front of the restriction bar 12. The position of the front and rear can also be adjusted.

  A restricting wall 163 that extends toward the side wall 146 of the sensor bracket 144 and is located below the contact 137 and the plunger 142 of the detection sensor 129 is provided at the lower front portion of the mounting plate 159. The restriction wall 163 is located on the lower rear side of the sensor contact portion 136 of the detection member 13, and when the detection member 13 swings backward and presses the contact 137, The lower part is in contact with the restriction wall 163 so that the swing of the detection member 13 is restricted and the plunger 142 is not excessively pressed.

Further, after the lower part of the sensor abutting part 136 contacts the regulating wall 163, the bent part 139 of the arm part 134 of the detection member 13 is elastically deformed so that the curvature of the bent part 139 becomes small, and the receiving container A reliably contacts the regulation bar 12.
In the detection member 13 of the present embodiment, the arm portion when the receiving container A contacts the pressed portion 132 of the detection member 13 by bending the elastic deformation portion of the belt-like arm portion 134. The twist of 134 can be suppressed, and the malfunction resulting from this twist, for example, poor sensing, can be suppressed.

  As shown in FIGS. 12 and 13 to 15, the cover member 145 includes a side wall 164 that is opposed to the outer side of the side wall 146 of the sensor bracket 144, and an upper end of the side wall 164 to the support frame 9. An upper wall 165 extending toward the upper side of the upper wall 147 of the sensor bracket 144, a front wall 166 positioned on the front side of the sensor bracket 144, and a rear wall 167 positioned on the rear side of the sensor bracket 144 And the other side wall 168 located on the left side of the front part of the sensor bracket 144 and on the front side of the support frame 9.

One side wall 164 and the other side wall 168 of the cover member 145 are positioned in the vicinity of the pivot 157 that pivotally supports the detection member 13, and the one side wall 164 and the other side wall 168 of the cover member 145 support the pivot portion of the pivot 157. The stopper (disengagement prevention) from 131 is achieved.
One side wall 164 of the cover member 145 is positioned in the vicinity of the mounting screw 162 for mounting and fixing the detection sensor 129, and the mounting screw 162 is prevented from coming off by the one side wall 164 of the cover member 145.

A screw insertion hole 170 corresponding to the screw hole 169 formed in the upper wall 147 of the sensor bracket 144 is formed through the upper wall 165 of the cover member 145, and the screw hole 170 is inserted through the screw insertion hole 170 from above. A cover member 145 is attached to the sensor bracket 144 by an attachment screw 171 that is screwed into the sensor 169.
In addition to the automatic rice washing machine 1 having the upper and lower rice storages 2 and 3 described above, the present invention automatically controls the automatic rice washing machine for packed rice, which does not have a rice storage, and the weighing, washing and cooking of rice. Adopted in the rice washing machine of automatic rice cooker.

4 Rice Washing Tank 9 Support Frame 13 Detection Member 22 Rice Draining Port 129 Detection Sensor 130 Container Detection Device 131 Pivot Support Part 132 Pressed Part 134 Arm Part 136 Sensor Contact Part 137 Contact 144 Sensor Bracket 145 Cover Member 157 Axis A Receptacle C Container placement section

Claims (4)

A rice washing tank (4) for washing the rice and discharging it from the lower rice discharge port (22) is provided, and a receptacle for receiving the rice discharged from the rice washing tank (4) below the rice washing tank (4) A container placement section (C) for placing (A) is provided, a container detection device (130) for detecting the receiving container (A) placed in the container placement section (C) is provided, and this container detection device (130). Is a detection member (13) that swings when pressed by the receiving container (A) disposed in the container disposition portion (C), and a detection sensor (129) that detects the swing of the detection member (13). In the rice washing apparatus equipped with
The detection member (13) includes an upper pivot portion (131) pivotally supported by a support frame (9) that supports the rice washing tank (4), and a receiving container (A) disposed in the container arrangement portion (C). Of the lower pressed part (132) pressed against the arm, the elastically deformable arm part (134) located between the pivotal support part (131) and the pressed part (132), and the detection sensor (129) A rice washing apparatus, wherein a sensor abutting portion (136) that contacts the contact (137) is integrally formed of resin.   In the detection member (13), the pivot portion (131) is pivotally supported so as to be rotatable about the left-right axis, and the container placed in the container placement portion (C) can be detected from the front. The pressed portion (132) and the arm portion (134) of (13) are formed in a band plate shape, and the pressed portion (132) is formed in a loop shape with the band width direction facing forward and backward, and the arm portion (134). ) Is formed with the band width direction facing left and right, and the rice washing apparatus according to claim 1.   The sensor abutting portion (136) is provided on the upper portion of the arm portion (134), and a bent portion (139) formed in a curved shape that protrudes rearward is provided in the upper and lower middle portions of the arm portion (134). The rice-washing device according to claim 1 or 2, wherein the bent portion (139) is elastically deformable so that the curve extends.   A sensor bracket (144) for attaching a detection sensor (129) is attached to and fixed to the support frame (9), and a pivot portion (131) of the detection member 13 is pivotally supported on the sensor bracket (144). The cover member (145) fitted to the sensor bracket (145) is used to prevent the fixing tool for mounting and fixing the detection sensor (129) and the pivot (157) pivoting the pivot (131) from the sensor bracket (144). The rice-washing apparatus of any one of Claims 1-3 characterized by the above-mentioned.

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