A soymilk machine

Abstract

The present application relates to the technical field of kitchen appliances, and particularly relates to a soybean milk machine. The soybean milk machine comprises a shell, a frame, a grinding device, a boiling device, a circuit control device and a liquid circuit device. The grinding device and the boiling device are connected through pipelines and are connected to the liquid circuit device through the pipelines. The liquid circuit device comprises a water tank and a water level detection module for detecting the water level in the water tank. The water level detection module comprises a water level tube, at least one inductor and at least one floating ball. The lower end of the water level tube is connected to the lower part of the water tank through a pipeline. The circuit control device comprises a control panel. The floating balls are distributed in the water level tube at intervals and move up and down along the water level tube. The inductors are distributed outside the water level tube at intervals. One inductor is arranged corresponding to one floating ball and is used for sensing the position change of the floating ball. The present application provides a soybean milk machine which is convenient to operate, has high automation degree, accurate control, good waterproof effect and is easy to clean.

Description

Technical Field

[0001] This invention relates to the field of kitchen appliance technology, and more particularly to a soymilk maker. Background Technology

[0002] Existing soy milk makers on the market all include a grinding system and a cooking system. Both systems require water to operate, so the detection of the water level in the water tank is relatively important. Current soy milk makers use several water level sensors installed on the water tank. First, the installation of water level sensors can damage the water tank to some extent, and there is a possibility of water leakage. In addition, dirt and grime can easily accumulate at the installation site of the water level sensors. Second, the water level sensors are not very sensitive to pure water, and there is a possibility of detection failure.

[0003] Currently available soy milk makers, especially commercial ones, do not have perfect automatic cleaning functions, often requiring manual cleaning, which increases labor costs. Large commercial soy milk makers typically operate in high-humidity environments; if the outer casing is not properly sealed, it can affect the internal components.

[0004] The fineness of soybean grinding affects the taste of soy milk and the extraction of protein. Modern commercial soy milk makers generally use a combination of moving and stationary grinding heads for grinding. Summary of the Invention

[0005] In view of the problems and defects of the existing technology, the present invention provides a soy milk maker that is easy to operate, highly automated, precisely controlled, waterproof, and easy to clean.

[0006] A soymilk maker includes a casing, a frame, a grinding device, a cooking device, a circuit control device, and a liquid circuit device. The grinding device, cooking device, circuit control device, and liquid circuit device are all mounted on the frame. The casing encloses the soymilk maker. The grinding device and cooking device are electrically connected to the circuit control device. The grinding device and cooking device are connected via pipes and also connected to the liquid circuit device via pipes. The liquid circuit device includes a water tank and a water level detection module for detecting the water level in the water tank. The water level detection module includes a water... The system comprises a level tube, at least one sensor, and at least one float. The lower end of the level tube is connected to the lower part of the water tank via a pipe. The circuit control device includes a control board. Several floats are spaced apart inside the level tube and move up and down along the level tube. Sensors are spaced apart outside the level tube, with one sensor corresponding to each float to sense changes in the float's position. The sensors and the level tube are both mounted on the control board. The sensors are directly electrically connected to the control board, or the level tube is positioned away from the control board, and the sensors are electrically connected to the control board via connecting wires.

[0007] Furthermore, the water level tube is transparent, the control board is equipped with the same number of photoelectric sensors as the floats, the water level tube is fitted with one more block than the number of floats, the floats are placed above the block, and the photoelectric sensors are located outside the water level tube and below the block.

[0008] Furthermore, the water level tube is transparent, the control board is equipped with the same number of photoelectric sensors as the floats, the water level tube is provided with a partial contraction section, the number of the contraction sections is one more than the number of floats, the diameter of the contraction section is smaller than the diameter of the floats, the floats are located above the contraction sections, and the photoelectric sensors are located outside the water level tube and below the contraction sections.

[0009] Furthermore, the float is a magnetically controlled float, the control board is equipped with the same number of magnetically controlled sensors as the float, the water level tube is fitted with one more block than the number of floats, the float is placed above the block, and the magnetically controlled sensors are located outside the water level tube and below the block.

[0010] Furthermore, the baffle is provided with a water inlet.

[0011] Furthermore, the pulping device includes a pulping module and a pulping tank. The pulping module includes a pulping motor and a crushing mechanism. The crushing mechanism is located at the bottom of the pulping tank, and the pulping motor is located below the crushing mechanism. The pulping motor is electrically connected to a circuit control device, and the pulping tank is connected to a liquid circuit device through a pipeline.

[0012] Furthermore, the pulverizing mechanism includes a moving grinding head and a stationary grinding head, and a plurality of grinding teeth are provided on the end face of the lower opening of the grinding tank, which cooperate with the upper end face of the moving grinding head.

[0013] Furthermore, the pulp cooking device includes a pulp cooking tank, a heating module, a pulp discharge module, and a filter screen. The heating module is located outside or at the bottom of the pulp cooking tank, and the filter screen is placed inside the pulp cooking tank. The pulp discharge module includes a pulp nozzle and a pump. The pump is located between the pulping motor and the crushing mechanism. The pulping motor drives the pump to rotate, thereby causing the pulp in the pulping tank to flow to the pulp cooking tank. The pulp nozzle is located inside the filter screen.

[0014] Furthermore, the upper opening of the grinding tank is provided with a grinding tank cover that is rotatably connected to the outer shell. The grinding tank cover is provided with a spraying mechanism, which includes a nozzle and a fixed joint. One end of the fixed joint extends into the inner surface of the grinding tank cover, and the other end is connected to the water tank through a pipe. The nozzle rotates around the fixed joint and is provided with several guide grooves. The upper surface of the outer shell is provided with a limiting protection mechanism on one side of the grinding tank. The grinding tank cover is rotatably connected to the limiting protection mechanism through a rotating shaft.

[0015] Furthermore, the upper opening of the pulp boiling tank is provided with a pulp boiling tank cover that is rotatably connected to the outer shell. The pulp boiling tank cover is provided with a spraying mechanism, which includes a nozzle and a fixed joint. One end of the fixed joint extends into the inner surface of the pulp boiling tank cover, and the other end is connected to the water tank through a pipe. The nozzle rotates around the fixed joint and is provided with several guide grooves. The upper surface of the outer shell is provided with a limiting protection mechanism on one side of the pulp boiling tank. The pulp boiling tank cover is rotatably connected to the limiting protection mechanism through a rotating shaft. The pulp nozzle is fixed to the inner surface of the pulp boiling tank cover.

[0016] Furthermore, the lid of the boiling tank is equipped with an anti-overflow sensor, which is electrically connected to the circuit control device.

[0017] Furthermore, the limiting and protective mechanism includes a fixing member, a cover plate, and a reinforcing member. The reinforcing member is located inside the fixing member and is fixed together with it to the upper surface of the outer shell. A blocking block is provided on the upper surface of the fixing member to limit the maximum angle of rotation. The cover plate is used to cover the fixing member, making the limiting and protective mechanism a closed mechanism.

[0018] Furthermore, the outer shell includes six panels that are spliced ​​together, which are fixed and sealed with waterproof screws and sealing rings. A sealing layer is provided at the splicing point of two outer shells, and folded edges are provided at the openings of some outer shells for water drainage.

[0019] Furthermore, the upper end face of the water tank is open and covered with an upper sealing plate for sealing, and the upper sealing plate can be removed.

[0020] Furthermore, the filter screen is made of a single layer of stainless steel, and filter holes are provided on the side wall and bottom surface of the filter screen. The size of the filter holes ranges from 0.3 to 2.0 mm, and the thickness of the filter screen ranges from 0.2 to 2.0 mm.

[0021] The beneficial effects of this invention are: A soymilk maker includes a shell, a frame, a grinding device, a cooking device, an electrical control device, and a liquid circuit device. The shell serves to protect the entire machine and make it more aesthetically pleasing, while the frame provides support for the entire machine. The grinding device, cooking device, electrical control device, and liquid circuit device are all located on the frame.

[0022] The water level detection module can monitor the water level changes in the water tank in real time. The water in the tank needs to be used by both the grinding device and the boiling device at the same time, so the water level changes rapidly. The water level detection module can also be used with purified water. This type of water level detection module is located outside the water tank and uses the principle of communicating vessels to detect the water level. The detection method using a float ball and photoelectric sensor is more accurate.

[0023] The spraying mechanism is used to clean the inner wall of the grinding tank and the lower surface of the grinding tank cover. Water flows out from the guide channel, and the water flow impacts the nozzle, which in turn drives the nozzle to rotate, forming a uniform spray of water around the perimeter, thus achieving the function of automatic cleaning.

[0024] The grinding device includes a grinding module and a grinding tank. The grinding module includes a grinding motor and a crushing mechanism. Several grinding teeth are provided on the end face of the lower opening of the grinding tank. The grinding teeth and the crushing mechanism work together to grind the material, which can make the grinding finer and the grinding efficiency higher. Attached Figure Description

[0025] The present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Figure 1 This is a schematic diagram of the first structure of a soy milk maker.

[0027] Figure 2 A schematic diagram of the soy milk maker in the open position.

[0028] Figure 3 This is a schematic diagram of the first structure of the water level detection module.

[0029] Figure 4 This is a schematic diagram of the second structure of the water level detection module.

[0030] Figure 5 This is a schematic diagram of the stop block.

[0031] Figure 6 This is a schematic diagram of the pulping device.

[0032] Figure 7 This is a cross-sectional view of the grinding device.

[0033] Figure 8 This is a schematic diagram of the grinding teeth.

[0034] Figure 9 This is a schematic diagram of the second structure of a soy milk maker.

[0035] Figure 10 This is a structural diagram of a soy milk maker without its outer casing.

[0036] Figure 11 This is a schematic diagram of the third structure of a soy milk maker.

[0037] Figure 12 This is a schematic diagram of the fourth structure of a soy milk maker.

[0038] Figure 13 This is a schematic diagram of the water tank.

[0039] Figure 14 This is a schematic diagram of the water tank in the open state.

[0040] Figure 15 This is a schematic diagram of the structure of Example 2 of the soy milk maker.

[0041] Figure 16 This is a schematic diagram of the structure of embodiment 2 of the water level detection module.

[0042] The component numbers are as follows: 1. Outer shell; 11. Waterproof screw; 12. Folded edge; 2. Frame; 3. Pulping device; 31. Pulping module; 311. Pulping motor; 312. Crushing mechanism; 3121. Stationary grinding head; 3122. Moving grinding head; 32. Pulping tank; 321. Grinding teeth; 33. Pulping tank cover; 34. Spraying mechanism; 341. Spray nozzle; 342. Fixed joint; 35. Limiting and protective mechanism; 351. Fixing component; 352. Cover plate; 353. Reinforcing component; 354. Blocking block 36. Rotating shaft; 4. Boiling device; 41. Boiling tank; 42. Heating module; 43. Discharge module; 431. Pulp nozzle; 432. Pump; 44. Filter screen; 45. Boiling tank cover; 451. Overflow sensor; 452. Magnet; 5. Piping; 6. Water tank; 61. Opening; 62. Top sealing plate; 7. Water level detection module; 71. Water level pipe; 72. Float; 73. Baffle; 731. Water outlet; 74. Contraction section; 8. Control board; 81. Photoelectric sensor. Detailed Implementation

[0043] The present invention will be further illustrated below with specific implementation examples. However, these examples are only for illustrative purposes and are not intended to limit the scope of the invention. Example

[0044] A type of soy milk maker, such as Figures 1-14As shown, the machine includes a housing 1, a frame 2, a grinding device 3, a cooking device 4, a circuit control device, and a liquid circuit device. The grinding device 3, the cooking device 4, the circuit control device, and the liquid circuit device are all mounted on the frame 2. The housing 1 is used to enclose the soymilk maker. The grinding device 3 and the cooking device 4 are electrically connected to the circuit control device. The grinding device 3 and the cooking device 4 are connected through pipes 5 and are also connected to the liquid circuit device through pipes 5. The liquid circuit device includes a water tank 6 and a water level detection module 7 for detecting the water level in the water tank 6. The water level detection module 7 includes a water level pipe 71 and four floats 72. The lower end of the water level pipe 71 is connected to the lower part of the water tank 6 through pipe 5. The circuit control device includes a control board 8. The water level pipe 71 is mounted on the control board 8. The four floats are spaced apart inside the water level pipe 71. The control board 8 is equipped with four sensors 81 for sensing changes in the position of the floats 72. The water level detection module 7 can monitor the water level changes in the water tank 6 in real time. The water in the water tank 6 can be used by both the grinding device 3 and the boiling device 4 at the same time, or it can be used by the grinding device 3 alone. Therefore, the water in the water tank 6 changes quickly, and the water level detection module 7 can be used with purified water.

[0045] In this embodiment, the water level tube 71 is transparent, and four floats 72 are installed inside the water level tube 71. The control board 8 is equipped with the same number of photoelectric sensors 81 as the floats 72. Five blocks 73 are installed inside the water level tube 71, with the floats 72 positioned above the blocks 73. The photoelectric sensors are located outside the water level tube 71 and below the blocks 73. The blocks 73 are equipped with water inlets 731. The water level tube 71 is transparent to facilitate more sensitive detection of the positional changes of the floats 72 within the water level tube 71 by the photoelectric sensors 81. The blocks 73 limit the vertical movement distance of the floats 72, and the water inlets 731 allow water to flow up and down within the water level tube 71, thereby ensuring that the water level in the water level tube 71 remains consistent with the water level in the water tank 6. This is essentially the principle of a communicating vessel.

[0046] In this embodiment, the grinding device 3 includes a grinding module 31 and a grinding tank 32. The grinding module 31 includes a grinding motor 311 and a crushing mechanism 312. The crushing mechanism 312 is located at the lower part of the grinding tank 32, and the grinding motor 311 is located below the crushing mechanism 312. The grinding motor 311 is electrically connected to a circuit control device. The grinding tank 32 is connected to a liquid circuit device through a pipeline 5. Soybeans are placed in the grinding tank 32. The grinding motor 311 drives the crushing mechanism 312 to grind the soybeans until the required degree of grinding is achieved, and then the soybeans are further boiled.

[0047] In this embodiment, the pulverizing mechanism 312 includes a moving grinding head 3122 and a stationary grinding head 3121. Three grinding teeth 321 are provided on the end face of the lower opening of the grinding tank 32, which cooperate with the upper end face of the moving grinding head 3122. The grinding teeth 321 allow for finer grinding and higher grinding efficiency.

[0048] In this embodiment, the soy milk cooking device 4 includes a cooking tank 41, a heating module 42, a discharge module 43, and a filter screen 44. The heating module 42 is located at the bottom of the cooking tank 41, and the filter screen 44 is placed inside the cooking tank 41. The discharge module 43 includes a nozzle 431 and a pump 432. The pump 431 is located between the grinding motor 311 and the crushing mechanism 312. The grinding motor 311 drives the pump 431 to rotate, thereby causing the soy milk in the grinding tank 32 to flow to the cooking tank 41. The nozzle 431 is located inside the filter screen 44. The heating module 42 is used to heat the soy milk in the cooking tank 41 to meet drinking standards. The filter screen 44 is used to filter soybean residue, making the soy milk taste better. The filter screen 44 is removable for easy cleaning.

[0049] In this embodiment, the upper opening of the grinding tank 32 is provided with a grinding tank cover 33, which is rotatably connected to the outer shell. The grinding tank cover 33 is provided with a spraying mechanism 34, which includes a nozzle 341 and a fixed joint 342. One end of the fixed joint 342 extends into the inner surface of the grinding tank cover 33, and the other end is connected to the water tank 6 through a pipe 5. The nozzle 341 rotates around the fixed joint 342 and is provided with several guide grooves (not shown in the figure). The upper surface of the outer shell 1 is provided with a limiting protection mechanism 35 on one side of the grinding tank 32. The grinding tank cover 33 is rotatably connected to the limiting protection mechanism 35 through a rotating shaft 36. The spraying mechanism 34 is used to clean the inner wall of the grinding tank 32 and the lower surface of the grinding tank cover 33. Water flows out from the guide grooves, and the water flow impacts the nozzle 341, thereby driving the nozzle 341 to rotate, forming a uniform spray of water around the perimeter.

[0050] In this embodiment, the upper opening of the pulp boiling tank 41 is provided with a pulp boiling tank cover 45, which is rotatably connected to the outer shell 1. The pulp boiling tank cover 45 is provided with a spraying mechanism 34, which includes a nozzle 341 and a fixing joint 342. One end of the fixing joint 342 extends into the inner surface of the pulp boiling tank cover 45, and the other end is connected to the water tank 6 through a pipe 5. A limiting protection mechanism 35 is provided on one side of the upper surface of the outer shell 1 near the pulp boiling tank 41. The pulp boiling tank cover 45 is rotatably connected to the limiting protection mechanism 35 via a rotating shaft 36. The pulp nozzle 431 is fixed to the inner surface of the pulp boiling tank cover 45. The pulp nozzle 431 is used to discharge the pulp into the pulp boiling tank, and the pulp nozzle 431 is tangentially arranged along the inner wall of the filter screen 44 to prevent splashing during pulp discharge. The rotating shaft 36 is a damper rotating shaft, which can be suspended at any angle within its stroke range.

[0051] In this embodiment, an anti-overflow sensor 451 is provided on the lid 45 of the cooking pot and is electrically connected to the circuit control device. During the cooking process, the soy milk may overflow from the cooking pot 41, and the anti-overflow sensor 451 can effectively prevent the soy milk from overflowing.

[0052] In this embodiment, the limiting and protective mechanism 35 includes a fixing member 351, a cover plate 352, and a reinforcing member 353. The reinforcing member 353 is disposed inside the fixing member 351 and is fixed together with it to the upper surface of the outer shell 1. A blocking block 354 is provided on the upper surface of the fixing member 351 to limit the maximum angle of rotation. The cover plate 352 is used to cover the fixing member 351, so that the limiting and protective mechanism 35 becomes a closed mechanism.

[0053] In this embodiment, the outer shell 1 is made of stainless steel, and the upper cover 33 of the grinding tank or the upper cover 45 of the boiling tank is equipped with a magnet 452. When the cover is closed, the magnet 452 and the stainless steel outer shell 1 attract each other. During the grinding and boiling process, there may be vibration or the lid may be open. At this time, the attraction of the magnet 452 can prevent the upper cover 33 of the grinding tank or the upper cover 45 of the boiling tank from opening.

[0054] In this embodiment, the outer shell 1 includes six panels that are spliced ​​together. These panels are fixed and sealed using waterproof screws 11 and sealing rings (not shown in the figure). A sealing layer is provided at the joint between two outer shell panels 1. Folded edges 12 are provided at the openings of some outer shell panels 1 for water drainage. The folded edges 12 can prevent external water from entering the interior of the outer shell, thereby protecting the internal structure and electrical control equipment.

[0055] In this embodiment, the upper end face of the water tank 6 has an opening 61, which is covered by an upper sealing plate 62 for sealing. The upper sealing plate 62 can be removed. The water tank 6 is designed to be openable, which facilitates timely cleaning of the dirt inside the water tank 6 and ensures the hygiene of the soy milk.

[0056] In this embodiment, the filter screen 44 is made of a single layer of stainless steel, and filter holes (not shown in the figure) are provided on the side wall and bottom surface of the filter screen 44. The size of the filter holes ranges from 0.3 to 2.0 mm, and the thickness of the filter screen ranges from 0.2 to 2.0 mm.

[0057] In this invention, the number of floats, baffles, and photoelectric sensors can all be determined based on the size of the water tank or the required precision of water level control; the water level pipe is positioned away from the control board, and the sensors are electrically connected to the control board via connecting wires; the overflow sensor can also be installed on the side wall of the boiling tank. All of these are within the scope of protection of this invention. Example

[0058] In this embodiment, as Figures 15-16As shown, the soymilk maker has a cooking capacity of 30L. The water level pipe 71 is transparent and contains five floats 72. The control board 8 has the same number of photoelectric sensors 81 as the floats 72. The water level pipe 71 has six partial contraction sections 74, the diameter of which is smaller than the diameter of the floats 72. The floats 72 are located above the contraction sections 74. The photoelectric sensors 71 are located outside the water level pipe 71 and below the contraction sections 74. The heating module 42 is located outside the cooking tank 41. In this embodiment, the remaining structure and beneficial effects are the same as in Embodiment 1. Example

[0059] In this embodiment, the float 72 is a magnetically controlled float, and three magnetically controlled floats are installed inside the water level tube 71. The control board 8 is equipped with the same number of magnetically controlled sensors 81 as the floats 72. Four blocks 73 are installed inside the water level tube 71, with the floats positioned above the blocks 73. The magnetically controlled sensors 81 are located outside the water level tube 71 and below the blocks 73. In this embodiment, the remaining structure and beneficial effects are the same as in Embodiment 1.

[0060] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A soymilk maker, comprising a casing, a frame, a grinding device, a cooking device, a circuit control device, and a liquid circuit device, wherein the grinding device, cooking device, circuit control device, and liquid circuit device are all mounted on the frame, the casing is used to enclose the soymilk maker, the grinding device and cooking device are electrically connected to the circuit control device, and the grinding device and cooking device are connected through pipes and respectively connected to the liquid circuit device through pipes, characterized in that... The liquid circuit device includes a water tank and a water level detection module for detecting the water level in the water tank. The water level detection module includes a water level tube, at least one sensor, and at least one float. The lower end of the water level tube is connected to the lower part of the water tank through a pipe. The circuit control device includes a control board. Several floats are spaced apart inside the water level tube and move up and down along the water level tube. Sensors are spaced apart outside the water level tube, with one sensor corresponding to each float, used to sense changes in the position of the float. The sensors and the water level tube are both located on the control board. The sensors are directly electrically connected to the control board, or the water level tube is located away from the control board, and the sensors are electrically connected to the control board through connecting wires.

2. A soymilk maker according to claim 1, characterized in that... The water level tube is transparent. The control board is equipped with photoelectric sensors of the same number as the floats. A baffle is installed inside the water level tube, and the number of baffles is one more than the number of floats. The floats are placed above the baffles. The photoelectric sensors are located outside the water level tube and below the baffles.

3. A soymilk maker according to claim 1, characterized in that... The water level tube is transparent. The control board is equipped with photoelectric sensors of the same number as the floats. The water level tube has local contraction sections, the number of which is the same as the number of floats. The diameter of the contraction section is smaller than the diameter of the floats. The floats are located above the contraction sections. The photoelectric sensors are located outside the water level tube and below the contraction sections.

4. A soymilk maker according to claim 1, characterized in that... The float is a magnetically controlled float. The control board is equipped with the same number of magnetically controlled sensors as the float. The water level tube is fitted with the same number of blocks as the float. The float is placed above the blocks. The magnetically controlled sensors are located outside the water level tube and below the blocks.

5. A soymilk maker according to claim 2 or 4, characterized in that... The baffle is equipped with a water inlet.

6. A soymilk maker according to claim 5, characterized in that... The pulping device includes a pulping module and a pulping tank. The pulping module includes a pulping motor and a crushing mechanism. The crushing mechanism is located at the bottom of the pulping tank, and the pulping motor is located below the crushing mechanism. The pulping motor is electrically connected to a circuit control device, and the pulping tank is connected to a liquid circuit device through a pipeline.

7. A soymilk maker according to claim 6, characterized in that... The pulverizing mechanism includes a moving grinding head and a stationary grinding head. Several grinding teeth are provided on the end face of the lower opening of the grinding tank, which cooperate with the upper end face of the moving grinding head.

8. A soymilk maker according to claim 6, characterized in that... The pulp cooking device includes a pulp cooking tank, a heating module, a pulp discharge module, and a filter screen. The heating module is located outside or at the bottom of the pulp cooking tank, and the filter screen is placed inside the pulp cooking tank. The pulp discharge module includes a pulp nozzle and a pump. The pump is located between the pulping motor and the crushing mechanism. The pulping motor drives the pump to rotate, thereby causing the pulp in the pulping tank to flow to the pulp cooking tank. The pulp nozzle is located inside the filter screen.

9. A soymilk maker according to claim 6, characterized in that... The upper opening of the grinding tank is provided with a grinding tank cover that is rotatably connected to the outer shell. The grinding tank cover is provided with a spraying mechanism, which includes a nozzle and a fixed joint. One end of the fixed joint extends into the inner surface of the grinding tank cover, and the other end is connected to the water tank through a pipe. The nozzle rotates around the fixed joint and is provided with several guide grooves. The upper surface of the outer shell is provided with a limiting protection mechanism on one side of the grinding tank. The grinding tank cover is rotatably connected to the limiting protection mechanism through a rotating shaft.

10. A soymilk maker according to claim 8, characterized in that... The upper opening of the pulp boiling tank is provided with a pulp boiling tank cover that is rotatably connected to the outer shell. The pulp boiling tank cover is provided with a spraying mechanism, which includes a nozzle and a fixed joint. One end of the fixed joint extends into the inner surface of the pulp boiling tank cover, and the other end is connected to the water tank through a pipe. The nozzle rotates around the fixed joint and is provided with several guide grooves. The upper surface of the outer shell is provided with a limiting protection mechanism on one side of the pulp boiling tank. The pulp boiling tank cover is rotatably connected to the limiting protection mechanism through a rotating shaft. The pulp nozzle is fixed to the inner surface of the pulp boiling tank cover.

11. A soymilk maker according to claim 10, characterized in that... An anti-overflow sensor is provided on the lid or side wall of the boiling tank and is electrically connected to the circuit control device.

12. A soymilk maker according to claim 9 or 10, characterized in that... The limiting and protective mechanism includes a fixing component, a cover plate, and a reinforcing component. The reinforcing component is located inside the fixing component and is fixed together with it to the upper surface of the outer shell. A blocking block is provided on the upper surface of the fixing component to limit the maximum angle of rotation. The cover plate is used to cover the fixing component, making the limiting and protective mechanism a closed mechanism.

13. A soymilk maker according to claim 1, characterized in that... The outer shell comprises six panels that are spliced ​​together, which are fixed and sealed with waterproof screws and sealing rings. A sealing layer is provided at the splicing point of two outer shell panels, and folded edges are provided at the openings of some outer shell panels for water drainage.

14. A soymilk maker according to claim 1, characterized in that... The upper end of the water tank is open and covered with a top sealing plate for sealing. The top sealing plate can be removed.

15. A soymilk maker according to claim 8, characterized in that... The filter screen is made of a single layer of stainless steel and has filter holes on the side wall and bottom surface. The size of the filter holes ranges from 0.3 to 2.0 mm, and the thickness of the filter screen ranges from 0.2 to 2.0 mm.

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