Steam rice and porridge cooking machine

Abstract

The utility model discloses a steam rice and porridge cooking machine which comprises a machine shell, a steam generating barrel and a cooking barrel, the steam generating barrel and the cooking barrel are communicated and connected through a one-way check valve, the one-way check valve comprises a three-way valve body, the three-way valve body is provided with a steam inlet, a steam outlet and a water outlet, and an air valve seat is arranged at the end of the steam inlet. A through hole is formed in the air valve seat, an air valve block and an air valve blocking piece are arranged in the steam inlet, the through hole is covered with the air valve block, the air valve block is covered with the air valve blocking piece, and the water outlet is communicated with a water outlet pipeline to discharge water in the three-way valve body. The steam rice and porridge cooking machine can be safe and prevent backflow, and the service life is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a steam rice or porridge cooking machine. Background Art

[0002] A rice steamer is a kitchen appliance that uses electricity or gas to generate high-pressure steam to cook rice. It is mostly used in hotels, schools and other places with large canteens. An air nozzle is provided between the steam generator and the cooking chamber of the existing rice steamer, and steam can enter the cooking chamber through the air nozzle. However, during the cooking process, when the steam generator does not generate steam or the steam pressure is insufficient, the water in the cooking chamber will flow back into the steam generator from the air nozzle, causing pollution to the components in the steam generator and shortening its service life. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a steam rice and porridge cooking machine which can safely prevent backflow and effectively prolong the service life.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A steam rice and porridge cooking machine comprises a casing, a steam generating barrel arranged in the casing, and a cooking barrel arranged on the casing, the steam generating barrel and the cooking barrel being connected via a one-way check valve, the one-way check valve comprising a three-way valve body, the three-way valve body being provided with a steam inlet, a steam outlet and a water outlet, an air valve seat being provided at the end of the steam inlet, a through hole being provided on the air valve seat, an air valve sheet and an air valve baffle being provided inside the steam inlet, the air valve sheet being covered on the through hole, the air valve baffle being covered on the air valve sheet, and the water outlet being connected to a water outlet pipeline to discharge water in the three-way valve body.

[0006] As a further improvement of the above technical solution:

[0007] The steam generating barrel comprises a steam barrel body, a heating tube assembly arranged in the steam barrel body, and a steam barrel cover arranged on the steam barrel body. A steam port connector is passed through the steam barrel cover. The input end of the steam port connector is plug-connected with the steam outlet, and the output end is connected with the cooking barrel.

[0008] A crossbeam is arranged in the steam barrel body, and the one-way check valve is fixedly arranged on the crossbeam.

[0009] A sealing ring is arranged between the steam outlet and the steam port connector.

[0010] The cooking barrel comprises a cooking barrel body and a cooking barrel cover arranged on the cooking barrel body. The bottom of the cooking barrel body is provided with a steam hole corresponding to the output end of the steam port connector.

[0011] A first annular abutment seat is arranged on the outer periphery of the output end of the steam port connector, and a second annular abutment seat is arranged on the outer periphery of the lower side of the steam hole, and the second annular abutment seat is in abutment contact with the first annular abutment seat.

[0012] The second annular abutting seat is provided with a limiting step surface, and the first annular abutting seat abuts against the limiting step surface.

[0013] The side wall of the steam barrel body is connected to a water inlet pipeline, the bottom of the steam barrel body is connected to a drainage pipeline, an overflow port is provided on the top of the casing, and an overflow pipeline connected to the overflow port is provided inside the casing.

[0014] The output end of the water outlet pipeline, the output end of the drainage pipeline and the output end of the overflow pipeline are all connected to the four-way pipe joint.

[0015] An upper water level sensor and a lower water level sensor are arranged on the side wall of the steam barrel body.

[0016] Compared with the prior art, the advantages of the utility model are:

[0017] The steam rice and porridge cooking machine of the utility model is connected by arranging a one-way check valve between the steam generating barrel and the cooking barrel, so that the steam can be transported to the cooking barrel through the steam inlet and the steam outlet on the three-way valve body in sequence, so that the rice is heated quickly and efficiently; when the steam generating barrel does not generate steam or the steam pressure is insufficient, the air valve plate and the air valve baffle plate inside the steam inlet will form a closure with the air valve seat, and the water in the cooking barrel will be discharged to the outside through the steam outlet, the water outlet and the water outlet pipeline, so that the water can be safely prevented from flowing back into the steam generating barrel, and the service life is effectively prolonged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of a steam rice or porridge cooking machine.

[0019] Figure 2 This is a schematic diagram of the internal structure of a steam rice or porridge cooking machine.

[0020] Figure 3 This is a schematic diagram of the half-section structure of the steam generating barrel and the cooking barrel.

[0021] Figure 4 This is a schematic diagram of the disassembled state of the steam generating barrel and the cooking barrel.

[0022] Figure 5This is a schematic diagram of the half-section structure of the steam generating barrel and the cooking barrel in the separated state.

[0023] Figure 6 It is a connection diagram of the steam port connector and the one-way check valve.

[0024] Figure 7 It is a schematic diagram of the half-section structure of a one-way check valve.

[0025] Legend:

[0026] 100, water outlet pipe; 200, water inlet pipe; 300, drainage pipe; 400, overflow pipe; 500, four-way pipe joint;

[0027] 1. Casing; 2. Steam generating barrel; 201. Steam barrel body; 202. Heating tube assembly; 203. Steam barrel cover; 204. Steam port connector; 3. Cooking barrel; 301. Cooking barrel body; 302. Cooking barrel cover; 303. Steam hole position; 4. One-way check valve; 401. Three-way valve body; 4011. Steam inlet; 4012. Steam outlet; 4013. Water outlet; 402. Valve seat; 4021. Through hole; 403. Valve plate; 404. Valve baffle; 5. Crossbeam; 6. Sealing ring; 7. First annular abutment seat; 8. Second annular abutment seat; 801. Limiting step surface; 9. Upper water level sensor; 10. Lower water level sensor. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] like Figures 1 to 7As shown, the steam rice and porridge cooking machine of this embodiment includes a casing 1, a steam generating barrel 2 arranged in the casing 1, and a cooking barrel 3 arranged on the casing 1. The steam generating barrel 2 and the cooking barrel 3 are connected via a one-way check valve 4. The one-way check valve 4 includes a three-way valve body 401. The three-way valve body 401 is provided with a steam inlet 4011, a steam outlet 4012 and a water outlet 4013. An air valve seat 402 is provided at the end of the steam inlet 4011. A through hole 4021 is opened on the air valve seat 402. An air valve sheet 403 and an air valve baffle sheet 404 are provided inside the steam inlet 4011. The air valve sheet 403 is covered on the through hole 4021, and the air valve baffle sheet 404 is covered on the air valve sheet 403. The water outlet 4013 is connected to a water outlet pipeline 100 to discharge the water in the three-way valve body 401. The steam rice or porridge cooking machine is connected by arranging a one-way check valve 4 between the steam generating barrel 2 and the cooking barrel 3. The steam can be transported to the cooking barrel 3 through the steam inlet 4011 and the steam outlet 4012 on the three-way valve body 401 in sequence, so as to heat the rice or rice porridge quickly and efficiently. When the steam generating barrel 2 does not generate steam or the steam pressure is insufficient, the air valve plate 403 and the air valve baffle plate 404 inside the steam inlet 4011 will form a closure with the air valve seat 402, and the water in the cooking barrel 3 will be discharged to the outside through the steam outlet 4012, the water outlet 4013 and the water outlet pipeline 100, so as to safely prevent the water from flowing back into the steam generating barrel 2, thereby effectively extending the service life.

[0030] Preferably, the steam generating barrel 2 comprises a steam barrel body 201, a heating pipe assembly 202 disposed in the steam barrel body 201, and a steam barrel cover 203 covered on the steam barrel body 201, a steam port connector 204 is pierced on the steam barrel cover 203, the input end of the steam port connector 204 is plug-connected with the steam outlet 4012, and the output end is connected with the cooking barrel 3. In this embodiment, the number of groups of the heating pipe assembly 202 is set to two groups, so that the steam generating barrel 2 can quickly and efficiently generate high-temperature steam, and the steam is sent into the cooking barrel 3 through the one-way check valve 4 and the steam port connector 204, and rice, buns or other foods can be directly placed in the cooking barrel 3 for cooking, with high heating efficiency and good cooking effect.

[0031] Preferably, a cross beam 5 is provided in the steam barrel body 201 , and the one-way check valve 4 is fixedly arranged on the cross beam 5 , which effectively improves the connection stability of the one-way check valve 4 in the steam barrel body 201 .

[0032] Preferably, a sealing ring 6 is provided between the steam outlet 4012 and the steam port connector 204 , which can effectively improve the air tightness between the one-way check valve 4 and the steam port connector 204 , and ensure the efficiency of conveying steam from the output end of the steam port connector 204 to the cooking barrel 3 .

[0033] Preferably, the cooking barrel 3 comprises a cooking barrel body 301 and a cooking barrel cover 302 arranged on the cooking barrel body 301 , and a steam hole 303 for correspondingly communicating with the output end of the steam port connector 204 is opened at the bottom of the cooking barrel body 301 .

[0034] Preferably, a first annular abutment seat 7 is provided on the periphery of the output end of the steam port connector 204, and a second annular abutment seat 8 is provided on the periphery of the lower side of the steam hole 303, and the second annular abutment seat 8 is in abutment contact with the first annular abutment seat 7. In this embodiment, a first annular abutment seat 7 is provided on the steam port connector 204, and a second annular abutment seat 8 is provided on the lower side of the steam hole 303. When the cooking barrel 3 is placed on the steam generating barrel 2, the second annular abutment seat 8 is in abutment with the first annular abutment seat 7. Specifically, an annular groove is provided on one side of the first annular abutment seat 7 that abuts with the second annular abutment seat 8, and a sealing rubber ring can be provided in the annular groove to improve the air tightness between the cooking barrel 3 and the steam generating barrel 2 and ensure the steam heating efficiency.

[0035] Preferably, a limiting step surface 801 is provided on the second annular abutment seat 8, and the first annular abutment seat 7 abuts against the limiting step surface 801, which can play a positioning role and avoid misalignment between the second annular abutment seat 8 and the first annular abutment seat 7 when the cooking barrel 3 is placed on the steam generating barrel 2.

[0036] Preferably, the side wall of the steam barrel 201 is connected to the water inlet pipeline 200, the bottom of the steam barrel 201 is connected to the drainage pipeline 300, the top of the housing 1 is provided with an overflow port 101, and the housing 1 is provided with an overflow pipeline 400 connected to the overflow port 101. In this embodiment, the input end of the water inlet pipeline 200 is connected to the tap water source, and the output end of the water inlet pipeline 200 is connected to the steam barrel 201, and water can be added to the steam barrel 201 before or during heating; the input end of the drainage pipeline 300 is connected to the steam barrel 201, and the output end of the drainage pipeline 300 is connected to the outside world. When the steaming and cooking is finished, the staff can open the drainage pipeline 300 to discharge the remaining hot water in the steam barrel 201; the input end of the overflow pipeline 400 is connected to the overflow port 101 at the top of the housing 1, and the output end of the overflow pipeline 400 is connected to the outside world, and the kitchen waste liquid at the top of the housing 1 can be discharged through the overflow pipeline 400.

[0037] Preferably, the output end of the water outlet pipeline 100, the output end of the drain pipeline 300 and the output end of the overflow pipeline 400 are all connected to the four-way pipe joint 500. In this embodiment, the output end of the water outlet pipeline 100 is connected to the first port of the four-way pipe joint 500, the output end of the drain pipeline 300 is connected to the second port of the four-way pipe joint 500, the output end of the overflow pipeline 400 is connected to the third port of the four-way pipe joint 500, and the fourth port of the four-way pipe joint 500 is arranged outside the housing 1, so that the liquid in the water outlet pipeline 100, the drain pipeline 300 and the overflow pipeline 400 is discharged from the fourth port, thereby reducing the number of openings on the housing 1.

[0038] Preferably, an upper water level sensor 9 and a lower water level sensor 10 are provided on the side wall of the steam barrel body 201. In this embodiment, the upper water level sensor 9 is used to detect the upper limit of the water level in the steam barrel body 201. When the water level in the steam barrel body 201 reaches the upper limit, the upper water level sensor 9 sends a signal to the control module to control the water inlet pipeline 200 to be closed. The lower water level sensor 10 is used to detect the lower limit of the water level in the steam barrel body 201. When the water level in the steam barrel body 201 drops to the lower limit, the lower water level sensor 10 sends a signal to the control module to control the water inlet pipeline 200 to be opened, so as to prevent the heating pipe assembly (202) from drying out.

[0039] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, improvements and changes obtained without departing from the technical concept of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A steam rice and porridge cooking machine, characterized in that: The invention comprises a casing (1), a steam generating barrel (2) arranged in the casing (1), and a cooking barrel (3) arranged on the casing (1); the steam generating barrel (2) and the cooking barrel (3) are connected via a one-way check valve (4); the one-way check valve (4) comprises a three-way valve body (401); the three-way valve body (401) is provided with a steam inlet (4011), a steam outlet (4012) and a water outlet (4013); the steam inlet (4011) An air valve seat (402) is provided at the end of the three-way valve body (401), a through hole (4021) is provided on the air valve seat (402), an air valve plate (403) and an air valve baffle plate (404) are provided inside the steam inlet (4011), the air valve plate (403) is covered on the through hole (4021), the air valve baffle plate (404) is covered on the air valve plate (403), and the water outlet (4013) is connected to a water outlet pipeline (100) to discharge water in the three-way valve body (401).

2. The steam rice and porridge cooking machine according to claim 1, characterized in that: The steam generating barrel (2) comprises a steam barrel body (201), a heating pipe assembly (202) arranged in the steam barrel body (201), and a steam barrel cover (203) arranged on the steam barrel body (201); a steam port connector (204) is provided on the steam barrel cover (203); an input end of the steam port connector (204) is plug-connected to the steam outlet (4012), and an output end is connected to the steam boiling barrel (3).

3. The steam rice and porridge cooking machine according to claim 2, characterized in that: A crossbeam (5) is provided inside the steam barrel body (201), and the one-way check valve (4) is fixedly arranged on the crossbeam (5).

4. The steam rice and porridge cooking machine according to claim 3, characterized in that: A sealing ring (6) is provided between the steam outlet (4012) and the steam outlet connector (204).

5. The steam rice and porridge cooking machine according to claim 4, characterized in that: The steaming barrel (3) comprises a steaming barrel body (301) and a steaming barrel cover (302) arranged on the steaming barrel body (301); a steam hole (303) for correspondingly communicating with an output end of the steam port connector (204) is provided at the bottom of the steaming barrel body (301).

6. The steam rice and porridge cooking machine according to claim 5, characterized in that: A first annular abutment seat (7) is provided on the outer periphery of the output end of the steam port connector (204), and a second annular abutment seat (8) is provided on the outer periphery of the lower side of the steam hole (303), wherein the second annular abutment seat (8) abuts against the first annular abutment seat (7).

7. The steam rice and porridge cooking machine according to claim 6, characterized in that: The second annular abutment seat (8) is provided with a limiting step surface (801), and the first annular abutment seat (7) abuts against the limiting step surface (801).

8. The steam rice and porridge cooking machine according to claim 7, characterized in that: The side wall of the steam barrel body (201) is connected to a water inlet pipeline (200), the bottom of the steam barrel body (201) is connected to a drainage pipeline (300), an overflow port (101) is provided at the top of the casing (1), and an overflow pipeline (400) connected to the overflow port (101) is provided inside the casing (1).

9. The steam rice and porridge cooking machine according to claim 8, characterized in that: The output end of the water outlet pipeline (100), the output end of the drainage pipeline (300) and the output end of the overflow pipeline (400) are all connected to the four-way pipe joint (500).

10. The steam rice and porridge cooking machine according to claim 9, characterized in that: An upper water level sensor (9) and a lower water level sensor (10) are provided on the side wall of the steam barrel body (201).

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