[0036] The present invention will be described in detail below with reference to the drawings and embodiments:
[0037] The fully automatic rice cooker in this embodiment includes a rice washing device 100 and an electric rice cooker body 200. The rice washing device 100 includes a stirrer, a cylindrical rice washing bin 101, and a device that controls the vertical movement of the rice washing bin 101. A first lifting mechanism. The first lifting mechanism includes a first screw rod 300 vertically arranged, a first nut 301 threadedly fitted with the first screw rod 300, and a cantilever 302 fixedly connected to the first nut 301 , The screw mechanism composed of the first screw 300 and the first nut 301 is used to control the lifting of the rice scouring bin, which has the advantages of simple structure, stable movement and convenient control. In this embodiment, the first screw 300 The rotation is controlled by the motor 600; the lifting mechanism further includes a first spring 303 for buffering the descending speed of the cantilever 302. Preferably, the first spring 303 is arranged between the rice silo and the cantilever 302, specifically, The outer side of the rice washing bin 101 is fixedly provided with a column 101a, the top of the column 101a is provided with an outwardly extending protrusion 101b, the end of the cantilever 302 is sleeved on the column 101a, and the protrusion 101b on the column 101a The end of the cantilever 302 is clamped so that the cantilever 302 can only move downward relative to the column 101a. The first spring 303 is sleeved on the column below the end of the cantilever 302 to buffer the descending speed of the cantilever 302; preferably, To make the up and down movement of the rice cleaning silo 100 more stable, a plurality of balance arms 100a extend outward from the outer circumference of the rice cleaning silo 100, and a vertical guide column 100b is arranged at the end of each balance arm 100a, so The end of the balance arm 100a is sleeved on the guide post 100b and can slide up and down along the guide post 100b; the rice cleaning bin 101 is provided with a water adding pipe 102 and a rice feeding pipe 103, and the bottom of the rice cleaning bin 101 A rice discharge port 104 is provided, and a drain pipe 105 is provided at the rice discharge port 104. In this embodiment, the rice pipe 103 is connected to a quantitative water dispenser, and the drain pipe 105 is connected to a pump; The top of the rice pot body 200 is provided with a pot cover 201, and a rice addition port 202 is provided on the pot cover 201. The first lifting mechanism controls the lowering of the rice cleaning bin 101 so that the rice discharging port 104 on the rice cleaning bin 101 can pass through. The rice addition port 202 is inserted into the inner bottom of the rice cooker body 200, and the inner side wall of the rice washing bin 101 and the inner bottom of the rice cooker body 200 jointly form a rice washing chamber. In the fully automatic rice cooker of the present invention, there is no complicated rice discharging structure on the rice washing device, and the rice discharging port at the bottom of the rice washing bin does not need to be specially sealed with a lid, which eliminates the need for a mechanism to control the opening and closing of the lid, thereby not only The manufacturing cost is reduced, and at the same time, the effect of cleaning the rice is achieved.
[0038] As a further improvement of the above technical solution, the agitator includes a rotating shaft 106 arranged vertically and a stirring paddle 107 arranged on the rotating shaft 106, and the drain pipe penetrates the rotating shaft 106 from top to bottom and is inserted near the rice discharge port. At the position of the lower end surface of 104, when the end surface of the rice discharge port 104 is in close contact with the bottom of the inner pot of the rice cooker, a drainage channel that only allows rice wash water to pass through is formed between the nozzle of the drain pipe and the bottom of the pot. The advantage is that there is no need to store the nozzle of the drainage pipe in the inner wall of the rice cleaning bin, so the drainage structure is greatly simplified. In addition, the drain pipe penetrates the rotating shaft 106 from top to bottom, and the agitator can rotate around the drain pipe 105. The advantage is that the rigidity of the drain pipe provides a good fixed support for the rotating shaft and the stirring paddle 107. , So that the rotation of the shaft is more stable, and can save complicated bearings and other supporting parts.
[0039] As a further improvement of the above technical solution, the pot cover 201 is provided with a warehouse door 203 for sealing the rice addition port 202, and the warehouse door 203 can be passively opened under downward pressure. Preferably, the warehouse door is a double-opening warehouse door composed of two baffles 203a, one end of the baffle 203a is hinged with the pot cover, and a torsion spring may be provided at the hinge to make the baffle 203a natural In the closed state, when the baffle 203a is subjected to a downward external force, the baffle 203a will rotate downward around the hinge joint to open the rice addition port 202.
[0040] As a further improvement of the above technical solution, a cleaning nozzle 108 is provided on the top of the rice washing chamber, and the water adding pipe is communicated with the inside of the cleaning nozzle 108. By setting the cleaning nozzle 108, the rice grains on the inner wall of the rice rinsing bin can be cleaned, so that the rice is discharged more cleanly, and bacteria can be effectively avoided in the rice rinsing bin due to improper washing.
[0041] As a further improvement of the above technical solution, it also includes a rice transport device, which includes a rice bin 404 and a screw pump 400 arranged at the bottom of the rice bin 404; the rice transport device also includes a transfer bin 401 and a drive transfer bin 401 A second lifting mechanism that moves up and down. The second lifting mechanism includes a guide plate 402, a second screw rod 403, and a second nut 405 threaded with the second screw rod 403. The transfer bin 401 is fixed to the second nut 405 Connected, the transfer bin 401 has a feed inlet and a discharge port, one side of the guide plate 402 always blocks the outlet of the transfer bin 401, and the other side of the guide plate 402 blocks the nozzle of the rice pipe 103, The discharge port of the transfer bin 401 and the nozzle of the rice feeding tube 103 can slide along the two sides of the guide plate 402 respectively. The top of the guide plate 402 is provided with through holes 406 connecting the left and right sides of the guide plate 402. The screw pump 400 Set at the bottom of the rice bin, the lower transfer bin 401 can make the discharge port of the screw pump 400 be connected to the feed inlet of the transfer bin 401, and the rise transfer bin 401 can make the nozzle of the rice feeding tube 103 pass through the passage on the guide plate 402 The hole 406 is opposite to the discharge port of the transfer bin 401. Preferably, a sliding plate 407 that can move up and down to block the discharge opening of the screw pump 400 is also provided near the discharge port of the screw pump 400. The bottom of the sliding plate 407 is provided with a second spring 408. The movement can force the sliding plate 407 to move up and down to open or block the discharge port of the screw pump 400. By setting the transfer bin, the distance between the rice bin and the main body of the rice cooker can be opened to prevent the steam generated by the main body of the rice cooker from affecting the storage of rice in the rice bin.
[0042] As a further improvement of the above technical solution, it also includes a box 500 for accommodating the rice cooker body 200 and the rice washing device 100. The motor 600, the quantitative water dispenser and the water pump are arranged in the box. The body 500 is also provided with a master controller 700 for automatically controlling the working status of the motor 600, the quantitative water dispenser, and the water pump. In addition, in order to further simplify the structure of the present invention, the first screw 300 and the second screw 403 in the present invention are driven by only one motor 600, specifically, the first screw 300 and the second screw 403 An electromagnetic clutch 601 and a driven wheel 602 connected to the electromagnetic clutch 601 are respectively arranged below. Each driven wheel 602 is drivingly connected to the motor 600, and each electromagnetic clutch 601 is controlled by the master controller 700. In addition, there is a drawer 501 under the box 500, and the rice cooker body 200 is arranged in the drawer 501. After the cooking is completed, the drawer can be drawn out to take the rice cooker body out.
[0043] The working steps of the fully automatic rice cooker of the present invention are as follows:
[0044] 1) The master controller 700 controls the motor 600 to work, and controls the electromagnetic clutch 601 under the second screw rod 403 to work, so that the motor 600 is connected to the second screw rod 403 in transmission, and the feed port 401a of the transfer bin 401 moves downwards and first contacts The top of the slide plate 407 and press the slide plate 407 to move downward to open the discharge port 400a of the screw pump 400 until the discharge port 400a of the screw pump 400 and the feed port 401a of the transfer bin 401 are opposed to each other through the through hole 406 at the bottom of the guide plate 402 Then, the master controller 700 then controls the screw pump 400 to work, and controls the number of meters that the screw pump 400 adds to the transfer bin 401 by controlling the working time of the screw pump 400;
[0045] 2) After the transfer bin 401 adds rice, the main controller 700 controls the electromagnetic clutch 601 under the first screw 300 to work, so that the rice outlet on the rice cleaning bin is lowered to the bottom of the inner side of the rice cooker body, and the main controller 700 The electromagnetic clutch 601 under the second screw rod 403 is controlled to work, so that the transfer bin 401 rises through the through hole 406 on the top of the guide plate 402 and is connected to the rice feeding pipe 103. Because the transfer bin 401 is tilted, the rice in the transfer bin 401 is naturally Fall into the rice-washing warehouse.
[0046] 3) The total controller 700 controls the quantitative water dispenser to add water to the rice rinsing bin through the water pipe, and at the same time controls the rotation of the agitator to perform the rice rinsing program. After the rice is washed, it controls the pump to pump the rinsing water clean, and then controls the first wire The rod 300 rotates to drive the rice rinsing bin to rise, and at the same time, the water pipe is added to clean the inner wall of the rice rinsing bin while completing the work of adding water to the rice cooker body, and finally the rice cooker body automatically enters the cooking state.
[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be implemented Modifications or equivalent replacements without departing from the purpose and scope of the technical solution of the present invention should be covered by the scope of the claims of the present invention.
