Energy-saving drained rice preparation device

Abstract

The utility model discloses an energy-saving drained rice preparation device which comprises a machine frame, a cooking barrel, an inner barrel, a stirring assembly and a heating assembly are installed on the machine frame, the inner barrel is detachably installed in the cooking barrel, the stirring assembly and the heating assembly extend into the inner barrel, through steam circulation holes are formed in the side wall of the inner barrel, and the heating assembly comprises a hot steam generator independent of the cooking barrel. An outlet of the hot steam generator is connected with a steam conveying pipe extending into the cooking barrel; the lower end of the second water tank is connected with the hot steam generator, and the upper end of the second water tank is connected with the interior of the upper end of the cooking barrel; during cooking, the cooking barrel is covered with a cover, the second water tank is filled with cold water, the cold water is heated by hot steam generated during cooking of the drained rice to a certain degree, and then the hot water flows into the hot steam generator to be reheated into the hot steam, so that energy used during cooking of the drained rice is recycled to a certain degree; and a good energy-saving effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen equipment, in particular to an energy-saving drained rice preparation device. Background Art

[0002] Drained rice is a cooking method unique to Hunan, Hubei, Sichuan and other regions. First, the rice is boiled in water until it is half cooked, then scooped out and drained, placed in a steamer, and finally steamed. The resulting rice is also called "Zengzi Rice", which is characterized by dry and plump rice grains, and comes with sweet and delicious rice soup. In addition, drained rice has a low sugar content and is suitable for diabetic patients.

[0003] With the development of technology, people have invented automated rice draining and cooking equipment. For example, a Chinese patent with authorization publication number CN209269348U discloses a rice draining electric cooker with stirring function, including a cooker body, a cooker cover and an inner pot. The cooker body is equipped with a heating plate to heat the inner pot, a rice draining steaming basket is mounted on the inner pot, and the cooker cover is equipped with a driving device, the driving device has a transmission shaft to drive a stirring member to rotate, and the stirring member extends into the rice draining steaming basket; the driving device on the cooker cover drives the stirring member to stir the rice in the cooking process, so that the starch and sugar in the rice are more fully dissolved in the water through stirring to form rice soup, and then the rice is separated from the rice soup and drained and steamed. At this time, the rice contains less sugar and starch, and the rice soup is more rich and delicious.

[0004] For example, a Chinese patent with the authorization publication number CN210582132U discloses a stirring structure, which, compared with the prior art, includes: a stirring base; a rotating shaft mounted on the stirring base; an inner pot body connected to the rotating shaft; a supporting plate mounted on the rotating shaft; stirring teeth mounted on the supporting plate; and a driving component connected to the rotating shaft. The stirring structure provided by this solution is installed in an energy-saving drained rice preparation device, which can realize the cleaning of rice grains in the rice preparation device, and improves the preparation quality and efficiency of drained rice compared to the prior art. This solution also provides a fully automatic energy-saving drained rice preparation device, including the above-mentioned stirring structure, which also has the above-mentioned beneficial effects.

[0005] In the above two solutions, a part of the hot steam generated when steaming rice is used for heating, while the heat carried by the rest of the hot steam will evaporate naturally and be lost, resulting in a certain amount of energy waste.

[0006] Therefore, those skilled in the art are committed to developing a device for preparing drained rice with simple structure and energy saving. Summary of the invention

[0007] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is to provide a device for preparing drained rice with a simple structure and energy saving.

[0008] To achieve the above-mentioned purpose, the utility model provides an energy-saving drained rice preparation device, including a frame, on which is mounted a cooking barrel, an inner barrel detachably mounted in the cooking barrel, and a stirring assembly and a heating assembly extending into the inner barrel, a side wall of the inner barrel being provided with a penetrating steam flow hole, the heating assembly comprising a hot steam generator independent of the cooking barrel, an outlet of the hot steam generator being connected to a steam delivery pipe extending into the cooking barrel; a second water tank is also mounted on the upper end of the frame, the lower end of the second water tank is connected to the hot steam generator, and the upper end is connected to the interior of the upper end of the cooking barrel; during cooking, the cooking barrel is covered with a lid.

[0009] Furthermore, the lower end of the cooking barrel is also connected to a first drain pipe, the outlet of the first drain pipe is provided with a drain solenoid valve, the upper end of the cooking barrel is connected to a first water inlet pipe, the first water inlet pipe is provided with a first water inlet solenoid valve, and the stirring motor, hot steam generator, first water inlet solenoid valve and drain solenoid valve are electrically connected to a central controller.

[0010] Furthermore, the hot steam generator includes an electric hot water tank, the outlet of the electric hot water tank is connected to the inlet of the steam delivery pipe, the electric hot water tank is externally connected to a water inlet pipe, and the water level in the electric hot water tank is lower than the inlet of the steam delivery pipe; a second float valve is installed in the second water tank, the inlet of the second float valve is connected to the outside, the lower end outlet of the second water tank is connected to the electric hot water tank water supply pipe, and the outlet of the electric hot water tank water supply pipe is connected to the electric hot water tank.

[0011] Furthermore, the stirring assembly includes a stirring motor installed at the bottom of the cooking barrel, the rotating shaft of the stirring motor is connected to the stirring shaft extending into the cooking barrel, and stirring ears extending horizontally to both sides are respectively provided on both sides of the stirring shaft, and a plurality of stirring teeth extending obliquely downward are provided on the stirring ears; the stirring shaft is hollow, and a steam circulation cavity is installed at the bottom of the cooking barrel, and the outlet of the steam delivery pipe is connected to one side of the steam circulation cavity; an air pipe is installed in the stirring shaft, the rotating shaft of the stirring motor passes through the bottom of the steam circulation cavity and is fixedly connected to the bottom of the air pipe, the side wall of the air pipe is provided with a penetrating air hole, and a one-way valve located above the air pipe is installed inside the lower end of the stirring shaft.

[0012] Furthermore, the inner side wall of the cooking barrel is provided with a longitudinal guide rail, and the outer side wall of the inner barrel is provided with a bayonet matching the guide rail.

[0013] Furthermore, the inner barrel is provided with at least two stacked up and down, the stirring shaft is composed of at least two stirring shaft tubes and a connecting tube connecting the two stirring shaft tubes, and the air pipe is installed in the stirring shaft tube located at the lower end; the upper end of the stirring shaft tube is connected to the lower end of the connecting tube through a first connecting mechanism, and the lower end of the stirring shaft tube is connected to the upper end of the connecting tube through a second connecting mechanism.

[0014] Furthermore, the first connecting mechanism includes a first clamping groove arranged at the upper end of the stirring shaft tube and extending radially, and the lower end of the connecting tube is provided with a second clamping rod extending radially outward and axially embedded in the first clamping groove.

[0015] Furthermore, the second connection mechanism includes a second clamping groove which is arranged at the upper end of the connection tube and extends radially, and the lower end of the stirring shaft tube is provided with a first clamping rod which extends radially outward and can be axially embedded in the second clamping groove.

[0016] Furthermore, a third clamping groove extending radially upward is provided at the upper end of the air-permeable tube, and the first clamping rod can be axially embedded in the third clamping groove.

[0017] Furthermore, the lower end of the cooking barrel is connected to a third drain pipe, and the outlet of the third drain pipe is provided with a manual valve.

[0018] The beneficial effects of the utility model are as follows: the energy-saving drained rice preparation device of the utility model comprises a frame, on which a cooking barrel, an inner barrel detachably mounted in the cooking barrel, and a stirring assembly and a heating assembly extending into the inner barrel are mounted, a side wall of the inner barrel is provided with a penetrating steam flow hole, the heating assembly comprises a hot steam generator independent of the cooking barrel, an outlet of the hot steam generator is connected with a steam delivery pipe extending into the cooking barrel; a second water tank is also mounted on the upper end of the frame, the lower end of the second water tank is connected to the hot steam generator, and the upper end is connected to the interior of the upper end of the cooking barrel; during cooking, the cooking barrel is covered with a lid, the second water tank is filled with cold water, the cold water is heated to a certain extent by the hot steam generated when cooking the drained rice, and then the hot water flows into the hot steam generator to be reheated into hot steam, so that the energy used in cooking the drained rice is recovered to a certain extent, and a good energy-saving effect is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a top view of the structure of the utility model;

[0021] Figure 3 yes Figure 2Schematic diagram of the structural section at AA in the middle;

[0022] Figure 4 It is a partial structural schematic diagram of the utility model;

[0023] Figure 5 It is a partial structural decomposition schematic diagram of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the connecting pipe of the utility model;

[0025] Figure 7 It is a structural schematic diagram of the stirring shaft tube of the utility model;

[0026] Figure 8 It is a structural schematic diagram of the ventilation tube of the utility model. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific manner, and therefore cannot be understood as a limitation on the present invention. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] like Figures 1 to 8 As shown, an energy-saving drained rice preparation device comprises a frame 1, on which a cooking barrel 2, an inner barrel 9 detachably mounted in the cooking barrel 2, and a stirring assembly and a heating assembly extending into the inner barrel 9 are mounted, a side wall of the inner barrel 9 is provided with a penetrating steam flow hole, the heating assembly comprises a hot steam generator 6 independent of the cooking barrel 2, an outlet of the hot steam generator 6 is connected with a steam delivery pipe 7 extending into the cooking barrel 2; a second water tank 28 is also mounted on the upper end of the frame 1, the lower end of the second water tank 28 is connected to the hot steam generator 6, and the upper end is connected to the upper end of the cooking barrel 2; during cooking, the cooking barrel 2 is covered with a lid 34, the second water tank is filled with cold water, the cold water is heated to a certain extent by the hot steam generated when cooking the drained rice, and then the hot water flows into the hot steam generator to be reheated into hot steam, so that the energy used in cooking the drained rice is recovered to a certain extent, with a good energy-saving effect.

[0029] The lower end of the steaming barrel 2 is also connected to a first drain pipe 26, and the outlet of the first drain pipe 26 is provided with a drain solenoid valve 27. The upper end of the steaming barrel 2 is connected to a first water inlet pipe 35, and the first water inlet pipe 35 is provided with a first water inlet solenoid valve 36. The stirring motor 3, the hot steam generator 6, the first water inlet solenoid valve 36 and the drain solenoid valve 27 are electrically connected to a central controller 8. The structure is simple, and the central controller sets and stores the steaming program. When washing rice, the stirring component is used to stir, and the drain solenoid valve 27 controls the drainage. Then, the independent hot steam generator delivers hot steam for heating. It has high safety, high degree of automation, and saves time and effort. The central controller can set the time and control the start and stop of the hot steam generator 6 and the stirring motor 3. The central controller also includes an alarm, which can alarm and prompt abnormal conditions.

[0030] The hot steam generator 6 includes an electric hot water tank 13, the outlet of the electric hot water tank 13 is connected to the inlet of the steam delivery pipe 7, the electric hot water tank 13 is externally connected to a water inlet pipe 14, and the liquid level of water in the electric hot water tank 13 is lower than the inlet of the steam delivery pipe 7; a second float valve 29 is installed in the second water tank 28, the inlet of the second float valve 29 is connected to the outside, the lower end outlet of the second water tank 28 is connected to an electric hot water tank water supply pipe 30, and the outlet of the electric hot water tank water supply pipe 30 is connected to the electric hot water tank 13. A first float valve 15 is installed in the electric hot water tank 13, and the inlet of the first float valve 15 is connected to the water inlet pipe 14, so that after the external water pipe is connected, water can be automatically replenished due to the control of the first float valve 15.

[0031] The stirring assembly comprises a stirring motor 3 installed at the bottom of the cooking barrel 2, the rotating shaft of the stirring motor (3) is connected to a stirring shaft 4 extending into the cooking barrel 2, and stirring ears 41 extending horizontally to both sides are respectively arranged on both sides of the stirring shaft 4, and a plurality of stirring teeth 5 extending obliquely downward are arranged on the stirring ears 41; the stirring shaft 4 is hollow, a steam circulation cavity 12 is installed at the bottom of the cooking barrel 2, and the outlet of the steam delivery pipe 7 is connected to one side of the steam circulation cavity 12; an air pipe 10 is installed in the stirring shaft 4, the rotating shaft of the stirring motor 3 passes through the bottom of the steam circulation cavity 12 and is fixedly connected to the bottom of the air pipe 10, the side wall of the air pipe 10 is provided with a through air hole, and a one-way valve 11 located above the air pipe 10 is installed inside the lower end of the stirring shaft 4.

[0032] The inner wall of the cooking barrel 2 is provided with a longitudinal guide rail 16, and the outer wall of the inner barrel 9 is provided with a bayonet 17 matching the guide rail 16. The lower end of the cooking barrel 2 is also connected to a third drain pipe 32, and the outlet of the third drain pipe 32 is provided with a manual valve 33, so that the water in the cooking barrel 2 can be manually drained.

[0033] The inner barrel 9 is provided with at least two stacked up and down, the stirring shaft 4 is composed of at least two stirring shaft tubes 18 and a connecting tube 19 connecting the two stirring shaft tubes 18, and the air permeable tube 10 is installed in the stirring shaft tube 18 located at the lower end; the stirring assembly includes a stirring motor 3 installed at the bottom of the cooking barrel 2, the rotating shaft of the stirring motor 3 is connected to the stirring shaft 4 extending into the cooking barrel 2, and the stirring shaft 4 is provided with stirring teeth 5 extending obliquely downward; the stirring teeth 5 are arranged in the middle of the side wall of the stirring shaft tube 18 and extend radially outward, the upper end of the stirring shaft tube 18 is connected to the lower end of the connecting tube 19 through a first connecting mechanism, and the lower end of the stirring shaft tube 18 is connected to the upper end of the connecting tube 19 through a second connecting mechanism.

[0034] The first connecting mechanism includes a first clamping groove 20 which is arranged at the upper end of the stirring shaft tube 18 and extends radially, and the lower end of the connecting tube 19 is provided with a second clamping rod 22 which extends radially outward and can be axially embedded in the first clamping groove 20; the second connecting mechanism includes a second clamping groove 23 which is arranged at the upper end of the connecting tube 19 and extends radially, and the lower end of the stirring shaft tube 18 is provided with a first clamping rod 24 which extends radially outward and can be axially embedded in the second clamping groove 23; the upper end of the air vent tube 10 is provided with a third clamping groove 25 which extends radially upward, and the first clamping rod 24 can be axially embedded in the third clamping groove 25; the structure is simple and easy to disassemble and maintain.

[0035] The working principle of the above energy-saving rice preparation device is:

[0036] The central controller sets and stores the cooking program, puts rice and water into the inner barrel 9, stirs and cleans with the stirring assembly, discharges the rice washing water, and then automatically adds clean water, covers the lid 34, and turns on the hot steam generator 6 to heat the water in the electric water tank 13 into hot steam, and then the rice can be automatically cooked. During the cooking process, the hot steam above the cooking barrel 2 enters the hot steam generator 6 through the electric water tank water supply pipe 30, so that part of the heat is recovered, energy saving and environmental protection are achieved, and energy and water consumption are reduced. After the cooking is completed, the central controller gives an alarm and cuts off the power.

[0037] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. An energy-saving drained rice preparation device, comprising a frame (1), on which a cooking barrel (2) is mounted, an inner barrel (9) detachably mounted in the cooking barrel (2), and a stirring assembly and a heating assembly extending into the inner barrel (9), wherein a penetrating steam flow hole is provided on the side wall of the inner barrel (9), characterized in that: The heating assembly comprises a hot steam generator (6) which is independent of the cooking barrel (2), and the outlet of the hot steam generator (6) is connected to a steam delivery pipe (7) which extends into the cooking barrel (2); a second water tank (28) is also installed at the upper end of the frame (1), the lower end of the second water tank (28) is connected to the hot steam generator (6), and the upper end is connected to the upper end of the cooking barrel (2); when cooking, the cooking barrel (2) is covered with a lid (34).

2. The energy-saving drained rice preparation device according to claim 1, characterized in that: The stirring assembly comprises a stirring motor (3) installed at the bottom of the cooking barrel (2); the rotating shaft of the stirring motor (3) is connected to a stirring shaft (4) extending into the cooking barrel (2); stirring ears (41) extending horizontally to both sides are respectively arranged on both sides of the stirring shaft (4); and a plurality of stirring teeth (5) extending obliquely downward are arranged on the stirring ears (41); the stirring shaft (4) is hollow; a steam circulation cavity (12) is installed at the bottom of the cooking barrel (2); the outlet of the steam delivery pipe (7) is connected to one side of the steam circulation cavity (12); a ventilation pipe (10) is installed in the stirring shaft (4); the rotating shaft of the stirring motor (3) passes through the bottom of the steam circulation cavity (12) and is fixedly connected to the bottom of the ventilation pipe (10); the side wall of the ventilation pipe (10) is provided with a through ventilation hole; and a one-way valve (11) located above the ventilation pipe (10) is installed inside the lower end of the stirring shaft (4).

3. The energy-saving drained rice preparation device according to claim 2, characterized in that: The lower end of the cooking barrel (2) is also connected to a first drain pipe (26), the outlet of the first drain pipe (26) is provided with a drain solenoid valve (27), the upper end of the cooking barrel (2) is connected to a first water inlet pipe (35), the first water inlet pipe (35) is provided with a first water inlet solenoid valve (36), and the stirring motor (3), the hot steam generator (6), the first water inlet solenoid valve (36) and the drain solenoid valve (27) are electrically connected to a central controller (8).

4. The energy-saving drained rice preparation device according to claim 3, characterized in that: The hot steam generator (6) comprises an electric hot water tank (13), the outlet of the electric hot water tank (13) is connected to the inlet of the steam delivery pipe (7), the electric hot water tank (13) is externally connected to a water inlet pipe (14), and the liquid level of water in the electric hot water tank (13) is lower than the inlet of the steam delivery pipe (7); a second float valve (29) is installed in the second water tank (28), the inlet of the second float valve (29) is connected to the outside, the lower end outlet of the second water tank (28) is connected to an electric hot water tank water supply pipe (30), and the outlet of the electric hot water tank water supply pipe (30) is connected to the electric hot water tank (13).

5. The energy-saving drained rice preparation device according to claim 1, characterized in that: The inner side wall of the cooking barrel (2) is provided with a longitudinal guide rail (16), and the outer side wall of the inner barrel (9) is provided with a bayonet (17) matching the guide rail (16).

6. The energy-saving drained rice preparation device according to claim 4, characterized in that: The inner barrel (9) is provided with at least two stirring shafts stacked up and down, the stirring shaft (4) is composed of at least two stirring shaft tubes (18) and a connecting tube (19) connecting the two stirring shaft tubes (18), and the air permeable tube (10) is installed in the stirring shaft tube (18) located at the lower end; the upper end of the stirring shaft tube (18) is connected to the lower end of the connecting tube (19) through a first connecting mechanism, and the lower end of the stirring shaft tube (18) is connected to the upper end of the connecting tube (19) through a second connecting mechanism.

7. The energy-saving drained rice preparation device according to claim 6, characterized in that: The first connection mechanism comprises a first clamping groove (20) which is arranged at the upper end of the stirring shaft tube (18) and extends radially, and the lower end of the connecting tube (19) is provided with a second clamping rod (22) which extends radially outward and can be axially embedded in the first clamping groove (20).

8. The energy-saving drained rice preparation device according to claim 6, characterized in that: The second connection mechanism comprises a second clamping groove (23) which is arranged at the upper end of the connection tube (19) and extends radially, and the lower end of the stirring shaft tube (18) is provided with a first clamping rod (24) which extends radially outward and can be axially embedded in the second clamping groove (23).

9. The energy-saving drained rice preparation device according to claim 8, characterized in that: The upper end of the air vent pipe (10) is provided with a third clamping groove (25) extending radially upward, and the first clamping rod (24) can be axially embedded in the third clamping groove (25).

10. The energy-saving drained rice preparation device according to claim 2, characterized in that: The lower end of the cooking barrel (2) is also connected to a third drainage pipe (32), and the outlet of the third drainage pipe (32) is provided with a manual valve (33).

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