Steam supply device for rice steaming machine and rice steaming machine

Abstract

The utility model relates to a steam supply device for a rice steaming machine and the rice steaming machine. Wherein the steam supply device comprises a steam generator and a steam pipeline used for connecting the steam generator and the rice steaming bin, the steam pipeline comprises a main pipe connected with the steam generator and a branch pipe used for connecting the lower portion of the rice steaming bin, and the main pipe is connected with the branch pipe at the height position of the upper portion of the rice steaming bin; the steam generator is further provided with a check valve which can only convey air into the steam generator. According to the utility model, in a dual-protection form, rice paste in the rice steaming bin cannot flow back into the steam generator when water is added into the steam generator, so that the influence on the service life of the steam generator and the rice steaming efficiency is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rice steaming machine technical field, concretely is steam supply device and rice steaming machine for rice steaming machine. BACKGROUND

[0002] The rice steaming machine refers to the kitchen baking equipment that uses electricity, gas heating, steaming rice.

[0003] Current rice steaming machine, in order to make the taste of steamed rice, taste, will adopt steam generator continuous steam supply.Steam generator's structure is usually composed of water tank, water inlet pipe, liquid level meter and heater, when running, liquid level meter according to liquid level control external water inlet, heater real-time opening heating water tank water to provide continuous steam for rice steaming machine.

[0004] But when the liquid level meter detects that the water in the water tank is insufficient, water needs to be added, and after the external cold water enters the water tank, the temperature in the water tank will drop sharply (because there is little water left in the water tank and the amount of cold water is large), at this time, if the rice steaming machine is in the steaming state, the water vapor in the pipeline connecting the steam generator and the rice steaming machine will condense when it is cold, which will easily form negative pressure in the pipeline, and then the water in the rice steaming machine will be sucked into the steam generator.

[0005] Because the steam generator needs to be in working state for a long time, and the water vapor condenses in the rice steaming machine, it will carry the components in the rice, also known as rice paste or rice soup. When such water is sucked into the steam generator due to negative pressure, the rice components are easily adhered to the inner wall of the water tank due to the long-time boiling of the steam generator, which seriously affects the working efficiency of the steam generator, reduces the steaming efficiency, and even damages the steam generator, which affects the service life of the steam generator.

[0006] Therefore, in order to ensure the service life of the rice steaming machine and the stability of the steaming efficiency of the rice steaming machine, the present application provides a steam supply device for rice steaming machine, which can prevent the water in the rice steaming machine from flowing back to the steam generator when the steam generator is added water. CONTENT OF THE UTILITY MODEL

[0007] In view of the deficiencies of the prior art, the utility model provides a steam supply device for rice steaming machine, which solves the problem that the water in the rice steaming machine easily flows back to the steam generator when the steam generator is added water.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a steam supply device for rice steaming machine, comprising a steam generator and a steam pipeline for connecting the steam generator and a rice steaming bin, the steam pipeline comprises a main pipe connected to the steam generator and a branch pipe for connecting the lower part of the rice steaming bin, the main pipe is connected to the branch pipe at a height position above the rice steaming bin; and,

[0009] The steam generator is further provided with a check valve for delivering air to the inside of the steam generator only.

[0010] Preferably, the steam generator is connected with a water inlet pipe, and the steam generator is further provided with a liquid level sensor.

[0011] Preferably, the branch pipes are symmetrically arranged on the two radial sides of the rice steaming bin.

[0012] Preferably, the branch pipes are connected with a plurality of output pipes for connecting the rice steaming bin.

[0013] To achieve the above object, the utility model provides the following technical scheme: a rice steaming machine, comprising the above steam supply device for the rice steaming machine, further comprising a cabinet and a rice steaming bin rotatably connected to the cabinet, and the cabinet is further provided with a motor for driving the rice steaming bin to rotate.

[0014] Preferably, the cabinet is further provided with a steam cover for covering the rice steaming bin and making it in a closed space, and the rice steaming bin is in the form of a cylinder and is rotatably connected to the steam cover through bearings at both ends of the shaft.

[0015] Preferably, the branch pipes penetrate the lower part of the steam cover, and the outlets of the branch pipes are located in the steam cover.

[0016] Preferably, the rice steaming bin comprises a cabin body, a cabin cover for closing the opening of the cabin body, and a perforated plate arranged between the cabin body and the cabin cover, and the cabin cover is provided with a plurality of air holes with sizes adaptable to the outlets of the branch pipes.

[0017] Preferably, the bottom of the steam cover is provided with a drain groove, and the steam cover is connected with a water outlet pipe in alignment with the drain groove.

[0018] Compared with the prior art, the utility model provides the steam supply device for the rice steaming machine, which has the following beneficial effects:

[0019] The steam supply device for the rice steaming machine ensures that the rice paste in the rice steaming bin will not flow back into the steam generator when the steam generator is filled with water, thereby preventing the service life of the steam generator and the rice steaming efficiency from being affected. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the rice steaming machine;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the steam supply device for the rice steaming machine;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the steam supply device for the rice steaming machine, mainly showing the steam pipeline and the steam generator;

[0023] Figure 4 Figure is the schematic diagram of explosion structure of rice steaming bin in the steam supply device for rice steaming machine.

[0024] In the figure:

[0025] 1, steam generator; 11, check valve; 12, liquid level sensor; 13, water tank; 14, water inlet pipe;

[0026] 2, rice steaming bin; 21, cabin body; 22, cabin cover; 23, perforated plate; 24, air hole;

[0027] 3, steam pipeline; 31, main pipe; 32, branch pipe; 33, output pipe;

[0028] 4, cabinet; 41, steam cover; 411, drain groove; 42, water outlet pipe;

[0029] 5, motor. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Embodiment 1:

[0032] Please refer to Figures 1-3 The present application provides the following technical solutions: a steam supply device for a rice steaming machine, comprising a steam generator 1 and a steam pipeline 3 for connecting the steam generator 1 and a rice steaming bin 2, the steam generator 1 is connected with a water inlet pipe 14, and the steam generator 1 is further provided with a liquid level sensor 12, the steam pipeline 3 comprises a main pipe 31 connected with the steam generator 1 and a branch pipe 32 for connecting the lower part of the rice steaming bin 2, the main pipe 31 is connected with the branch pipe 32 at a height position above the rice steaming bin 2; the steam generator 1 is further provided with a check valve 11 which can only deliver air to the inside of the steam generator 1.

[0033] As optional implementation of the utility model, when steaming rice, the heater in the steam generator 1 opens the water in the water tank 13 in real time to continuously generate water vapor, and supplies the water vapor to the rice steaming bin 2 through the main pipe 31 and the branch pipe 32 to steam the rice; when the liquid level sensor 12 in the steam generator 1 controls the external water source to enter water according to the liquid level, after the cold water enters the steam generator 1, the temperature in the steam generator 1 rapidly decreases, negative pressure is generated in the steam pipeline 3, at this time, on the one hand, the highest point of the main pipe 31 is in the upper part of the rice steaming bin 2, which makes the water in the rice steaming bin 2 not immediately flow back to the steam generator 1 through the highest point of the main pipe 31, and on the other hand, the check valve 11 on the steam generator 1 allows the external air to enter the steam generator 1 in one direction due to the negative pressure in the steam generator 1, so that the air pressure in the steam pipeline 3 and the steam generator 1 is balanced, the water in the rice steaming bin 2 is prevented from flowing into the steam generator 1, the phenomenon that the rice soup or rice paste is adhered due to long-time heating in the steam generator 1 is avoided, the situation that the rice steaming efficiency is greatly reduced and the steam generator 1 is damaged is prevented, and the service life of the steam generator 1 is improved.

[0034] Through the above structure, in the form of double protection, it is ensured that the rice paste in the rice steaming bin 2 does not flow back into the steam generator 1 when the steam generator 1 is filled with water, and the service life of the steam generator 1 and the rice steaming efficiency are prevented from being affected.

[0035] As shown in Figures 1-3 The branch pipe 32 is symmetrically arranged on the radial two sides of the rice steaming bin 2, and a plurality of output pipes 33 for connecting the rice steaming bin 2 are connected through the branch pipe 32.

[0036] As optional implementation of the utility model, the steam can be uniformly input into the rice steaming bin 2, the rice steaming effect is improved, and the taste and flavor of the rice are improved.

[0037] Example 2:

[0038] As shown in Figures 1-4 The utility model provides the following technical scheme: a rice steaming machine, which comprises the steam supply device for the rice steaming machine in example 1, further comprises a cabinet 4 and a rice steaming bin 2 rotatably connected to the cabinet 4, and the cabinet 4 is further provided with a motor 5 for driving the rice steaming bin 2 to rotate.

[0039] As optional implementation of the utility model, the motor 5 can drive the rice steaming bin 2 to rotate to different directions, so as to facilitate the work of adding rice, washing rice, cooking rice and taking out the steamed rice.

[0040] As shown in Figures 1-3As shown, the cabinet 4 is further provided with a steam cover 41 for covering the rice steaming bin 2 and making it in a closed space, and the rice steaming bin 2 is in a cylindrical shape and is rotatably connected to the steam cover 41 through bearings at two axial ends.

[0041] As an optional embodiment of the utility model, the steam cover 41 ensures that the rice steaming bin 2 is in a sealed state for rice steaming work, and avoids the temperature loss caused by steam loss to affect the rice steaming efficiency.

[0042] As shown in the figure, Figures 3-4 The branch pipe 32 penetrates the lower part of the steam cover 41, and the outlet of the branch pipe 32 is located in the steam cover 41.

[0043] As an optional embodiment of the utility model, the rice steaming principle of ensuring that the steam enters the rice steaming bin 2 from the bottom of the rice can be guaranteed.

[0044] As shown in the figure, Figure 4 The rice steaming bin 2 includes a cabin body 21, a cabin cover 22 for closing the opening of the cabin body 21, and a perforated plate 23 arranged between the cabin body 21 and the cabin cover 22, and the cabin cover 22 is provided with a plurality of air holes 24 which can be adapted to the outlet of the branch pipe 32.

[0045] As an optional embodiment of the utility model, the cabin cover 22 is opened to facilitate the work of adding rice, adding water and taking out rice; the perforated plate 23 makes the steam more uniformly contact the rice at different positions during rice steaming, and the air hole 24 makes the steam enter the rice steaming bin 2, and the rice does not enter the branch pipe 32 to cause blockage during rice steaming.

[0046] As shown in the figure, Figure 4 The bottom of the steam cover 41 is provided with a drain groove 411, and the steam cover 41 is connected with a water outlet pipe 42 which is aligned with the drain groove 411.

[0047] As an optional embodiment of the utility model, the rice soup and the water after cooking rice can be collected in the drain groove 411 and discharged to the outside through the water outlet pipe 42.

[0048] The working principle and use process of the utility model are as follows: when steaming rice, the heater in the steam generator 1 continuously generates water vapor by heating the water in the water tank 13 in real time, and supplies the water vapor to the rice steaming bin 2 through the main pipe 31 and the branch pipe 32 to steam the rice; when the liquid level sensor 12 in the steam generator 1 controls the external water source to enter water according to the liquid level, after the cold water enters the steam generator 1, the temperature in the steam generator 1 rapidly decreases, negative pressure is generated in the steam pipeline 3, at this time, on the one hand, the highest point of the main pipe 31 is in the upper part of the rice steaming bin 2, which makes the water in the rice steaming bin 2 not immediately flow back to the steam generator 1 through the main pipe 31 due to hydraulic pressure, on the other hand, the check valve 11 on the steam generator 1 can make the external air unidirectionally enter the steam generator 1 due to the negative pressure in the steam generator 1, so that the air pressure in the steam pipeline 3 and the steam generator 1 is balanced, and it is ensured that the water in the rice steaming bin 2 cannot flow into the steam generator 1.

[0049] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A steam supply device for a rice steamer, comprising a steam generator and a steam pipe for connecting the steam generator and the rice steaming chamber, characterized in that, The steam pipe includes a main pipe connected to the steam generator and a branch pipe for connecting to the lower part of the rice steaming chamber. The main pipe is connected to the branch pipe at a height above the rice steaming chamber. The steam generator is also equipped with a check valve that can only supply air into the steam generator.

2. The steam supply device for a rice steamer according to claim 1, characterized in that, The steam generator is connected to a water inlet pipe, and a liquid level sensor is also installed inside the steam generator.

3. The steam supply device for a rice steamer according to claim 1, characterized in that, The branch pipes are symmetrically arranged on both radial sides of the rice steaming chamber.

4. The steam supply device for a rice steamer according to claim 3, characterized in that, Several output pipes for connecting to the rice steaming chamber are connected through the branch pipe.

5. A rice steamer, comprising the steam supply device for a rice steamer as described in any one of claims 1-4, further comprising a cabinet and a rice steaming chamber rotatably connected to the cabinet, characterized in that, The cabinet is also equipped with a motor for driving the rice steaming chamber to rotate.

6. The rice steamer according to claim 5, characterized in that, The cabinet is also equipped with a steam cover for enclosing the rice steaming chamber and placing it in a closed space. The rice steaming chamber is cylindrical and is rotatably connected to the steam cover through bearings at both ends of the axial direction.

7. The rice steamer according to claim 6, characterized in that, The branch pipe penetrates the lower part of the steam hood, and the outlet of the branch pipe is located inside the steam hood.

8. The rice steamer according to claim 6, characterized in that, The rice steaming chamber includes a chamber body, a cover for sealing the opening of the chamber body, and a perforated plate located between the chamber body and the cover. The cover has several air holes of a size that can be adapted to the outlet of the branch pipe.

9. The rice steamer according to claim 6, characterized in that, The bottom of the steam hood is provided with a drainage groove, and a water outlet pipe that is aligned with the drainage groove is connected through the steam hood.

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