Leakage-proof device and cooking utensil

Abstract

The present application relates to the technical field of cooking utensils, and discloses a leakage-proof device and a cooking utensil, the leakage-proof device comprising: a leakage-proof piece in a ring structure, the leakage-proof piece being provided with a leakage-proof cavity, an air inlet and an air outlet, the air inlet being a ring-shaped opening provided on the inner ring of the leakage-proof piece, and the air inlet and the air outlet both being in communication with the leakage-proof cavity; the leakage-proof piece being used for being sleeved on the outer periphery of a heat preservation cover plate of the cooking utensil, a sealing area being provided between the heat preservation cover plate and the pot opening of an inner pot of the cooking utensil, and the air inlet being in communication with the sealing area; an adapter being provided with an adapter cavity, a first adapter port and a second adapter port, the first adapter port being in communication with the air outlet and the adapter cavity, and the second adapter port being used for being in communication with the adapter cavity and a steam cavity of the cooking utensil. The leakage-proof device provided by the present application can make the boiling water vapor of the cooking utensil overflow from the sealing area with poor sealing, enter the steam cavity through the leakage-proof cavity and the adapter cavity, and be discharged to the external air of the cooking utensil, and will not overflow through the periphery of the cooking utensil.

Description

Technical Field

[0001] This invention relates to the field of cooking utensil technology, specifically to leak-proof devices and cooking utensils. Background Technology

[0002] When cooking appliances such as rice cookers are heating normally, the water inside the pot boils and produces steam. Typically, the inner pot of these appliances has a sealing ring around its rim to seal the edge, allowing steam to escape through the steam valve and release pressure.

[0003] However, in actual use, if the sealing ring at the pot opening and the inner pot wall are not properly sized, poor sealing may easily occur when they are fitted together. Alternatively, if impurities such as rice grains are stuck to the sealing ring at the pot opening, poor sealing may also occur. When poor sealing occurs, if cooking is carried out using cooking utensils, boiling steam inside the pot will overflow from the perimeter of the cooking utensils, posing a risk of scalding consumers. Summary of the Invention

[0004] In view of this, the present invention provides a leak-proof device and a cooking utensil to solve the problem that when a poor seal occurs, boiling steam from the pot will overflow from the periphery of the cooking utensil when cooking rice, posing a risk of scalding consumers.

[0005] In a first aspect, the present invention provides a leak-proof device, comprising:

[0006] The leak-proof component has a ring-shaped structure and is provided with a leak-proof cavity, an air inlet, and an air outlet. The air inlet is an annular opening located in the inner ring of the leak-proof component, and both the air inlet and the air outlet are connected to the leak-proof cavity. The leak-proof component is used to be fitted around the outer periphery of the heat-insulating cover of the cooking appliance. When the cooking appliance is cooking, a sealing area is provided between the heat-insulating cover and the opening of the inner pot of the cooking appliance, and the air inlet is connected to the sealing area.

[0007] The adapter includes an adapter cavity, a first adapter interface, and a second adapter interface. The first adapter interface connects the air outlet and the adapter cavity, and the second adapter interface connects the adapter cavity and the steam chamber of the cooking appliance.

[0008] Beneficial effects: A sealing area is provided between the heat-insulating cover and the opening of the inner pot of the cooking appliance. A pot opening sealing ring is provided in the sealing area. The leak-proof cavity of the leak-proof component is connected to the sealing area through an annular opening. The leak-proof cavity is connected to the steam cavity through the vent and the transfer cavity. When the cooking appliance is cooking, even if the pot opening sealing ring and the inner pot side wall at the sealing area are not properly sealed due to substandard processing dimensions, or if impurities such as rice grains stick to the pot opening sealing ring during actual use, the boiling water vapor in the inner pot of the cooking appliance will overflow from the poorly sealed area and enter the leak-proof cavity through the annular opening. Then, it will enter the steam cavity through the transfer cavity and be discharged to the outside of the cooking appliance through the steam vent on the steam cavity. It will not overflow around the perimeter of the cooking appliance, eliminating the risk of scalding consumers.

[0009] In one optional embodiment, the leak-proof device further includes a fan, and the leak-proof component also includes an air inlet communicating with the leak-proof cavity, with the air outlet of the fan communicating with the air inlet.

[0010] Beneficial effects: The fan blows air into the leak-proof cavity through the air inlet. Water vapor that overflows from the sealed area into the leak-proof cavity can enter the adapter cavity of the adapter through the air outlet of the leak-proof component under the action of the fan, and then enter the steam chamber through the steam chamber and then be discharged into the outside air. This prevents water vapor from overflowing around the cooking appliance and eliminates the risk of scalding consumers.

[0011] In one optional embodiment, the air inlet and the air outlet are spaced apart, and a partition is provided inside the leak-proof cavity, which divides the leak-proof cavity into a first cavity and a second cavity. The partition is located at the air inlet. The two ends of the first cavity are respectively connected to the air outlet and the air inlet, and the two ends of the second cavity are respectively connected to the air outlet and the air inlet.

[0012] Beneficial effects: The leak-proof chamber is equipped with a partition that divides the air blown in by the fan into two parts at the air inlet. One part enters the first chamber and the other part enters the second chamber, reducing the movement path of the air and reducing air loss. This allows water vapor leaking from the sealed area to be blown into the air outlet along the first and second chambers, and then into the transfer chamber through the air outlet. Finally, it is discharged into the outside air through the transfer chamber and the steam chamber, preventing water vapor from overflowing around the cooking appliance and eliminating the risk of scalding consumers.

[0013] In one alternative embodiment, the air inlet and the air outlet are arranged opposite to each other.

[0014] Beneficial effects: The air inlet and outlet are set opposite each other, and the partition is also set opposite to the air outlet. The first and second cavities separated by the partition are relatively uniform, which can make the airflow of the fan uniform in the first and second cavities, and has a relatively uniform leak-proof effect.

[0015] In one optional embodiment, a fixing position is provided at the air inlet, and the fan is connected to the leak-proof component through the fixing position.

[0016] Beneficial effects: By fixing the fan to the leak-proof component, it is possible to avoid making modifications to other structures on the lid of the cooking appliance, and it also facilitates the installation and removal of the fan.

[0017] In one optional embodiment, in the axial direction, the cavity walls on both sides of the air inlet of the leak-proof component are respectively the first cavity wall and the second cavity wall; the leak-proof device further includes:

[0018] The first sealing element is an annular structure, and the first sealing element is connected between the first cavity wall and the heat insulation cover plate;

[0019] The second sealing element is an annular structure and is connected between the second cavity wall and the opening of the inner pot.

[0020] Beneficial effects: The first sealing element connects between the first cavity wall and the heat-insulating cover, achieving a seal between them and preventing water vapor from overflowing between the leak-proof element and the heat-insulating cover, thus avoiding scalding consumers. The second sealing element connects between the second cavity wall and the opening of the inner pot, ensuring a seal between them during cooking, preventing water vapor from overflowing between the leak-proof element and the inner pot, thus avoiding scalding consumers. The first and second sealing elements ensure a seal between the leak-proof element, the heat-insulating cover, and the inner pot. This guarantees that even if a seal fails, water vapor overflowing from the sealing area can enter the leak-proof cavity through the air inlet, then enter the steam chamber through the air outlet and the transition chamber, and finally be discharged into the outside air through the steam chamber, without overflowing between the leak-proof element and the heat-insulating cover, or between the leak-proof element and the inner pot.

[0021] In one optional embodiment, the outer ring of the first seal is provided with a first mounting groove, and the first seal is connected to the first cavity wall through the first mounting groove.

[0022] Beneficial effects: By setting the first mounting groove, which is an annular groove, it is not only convenient to connect the first sealing element to the first cavity wall, but also to have a good sealing effect, and to fix the first sealing element well, preventing curling or misalignment.

[0023] In one optional embodiment, the outer ring of the second seal is provided with a second mounting groove, and the second seal is connected to the second cavity wall through the second mounting groove.

[0024] Beneficial effects: The second mounting groove facilitates the connection of the second seal to the second cavity wall, provides a good sealing effect, and effectively fixes the second seal, preventing curling or misalignment when the second seal is sealed with the inner pot.

[0025] In one alternative embodiment, the leak-proof device further includes a third seal connected between the first adapter and the vent.

[0026] Beneficial effect: The third seal can achieve a seal between the first adapter and the air outlet, preventing water vapor from escaping between the first adapter and the air outlet.

[0027] In one alternative embodiment, the leak-proof device further includes a fourth seal connected between the second adapter and the steam chamber.

[0028] Beneficial effect: The fourth seal can achieve a seal between the second adapter and the steam chamber, preventing water vapor from escaping between the second adapter and the steam chamber.

[0029] Secondly, the present invention also provides a cooking utensil, comprising:

[0030] The pot lid includes an insulated cover and a steam chamber;

[0031] The pot body includes an inner pot, and a sealing area is provided between the heat-insulating cover and the opening of the inner pot of the cooking appliance;

[0032] The aforementioned leak-proof device is connected to the pot lid.

[0033] Beneficial effects: A sealing area is provided between the heat-insulating cover and the opening of the inner pot of the cooking appliance. A pot opening sealing ring is provided in the sealing area. The leak-proof cavity of the leak-proof component is connected to the sealing area through an annular opening. The leak-proof cavity is connected to the steam cavity through the vent and the transfer cavity. When the cooking appliance is cooking, even if the pot opening sealing ring and the inner pot side wall at the sealing area are not properly sealed due to substandard processing dimensions, or if impurities such as rice grains stick to the pot opening sealing ring during actual use, the boiling water vapor in the inner pot of the cooking appliance will overflow from the poorly sealed area and enter the leak-proof cavity through the annular opening. Then, it will enter the steam cavity through the transfer cavity and be discharged to the outside of the cooking appliance through the steam vent on the steam cavity. It will not overflow around the perimeter of the cooking appliance, eliminating the risk of scalding consumers.

[0034] In one alternative implementation, the cooking appliance is a rice cooker. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of the present invention, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0036] Figure 1 A cross-sectional view of a partial structure of a cooking appliance according to an embodiment of the present invention;

[0037] Figure 2 for Figure 1 A magnified view of part A in the diagram;

[0038] Figure 3 for Figure 1 A magnified view of part B in the diagram;

[0039] Figure 4 A cross-sectional view of a leak-proof component of a cooking appliance according to an embodiment of the present invention;

[0040] Figure 5 for Figure 4 A magnified view of part of C;

[0041] Figure 6 This is a schematic diagram of a partial structure of a cooking utensil according to an embodiment of the present invention;

[0042] Figure 7 for Figure 6 A magnified view of part of D;

[0043] Figure 8 Another cross-sectional view of a partial structure of a cooking appliance according to an embodiment of the present invention;

[0044] Figure 9 for Figure 8 A magnified view of part of E in the diagram;

[0045] Figure 10 for Figure 8 A magnified view of part of F.

[0046] Explanation of reference numerals in the attached figures:

[0047] 1. Leak-proof component; 11. Leak-proof cavity; 12. Air inlet; 13. Air outlet; 14. Air inlet; 15. Fixing position; 16. First cavity wall; 17. Second cavity wall; 18. Second connecting component;

[0048] 2. Adapter; 21. Adapter cavity; 22. First adapter interface; 23. Second adapter interface;

[0049] 3. Fan; 31. Connecting part; 4. Partition plate;

[0050] 5. First seal; 6. Second seal;

[0051] 7. Third seal; 8. Fourth seal;

[0052] 100, Insulated cover plate; 200, Insulated cover plate bracket; 300, Inner pot; 400, Steam chamber; 401, Steam port; 500, Pot opening sealing ring; 600, First connecting piece. Detailed Implementation

[0053] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0054] The following is combined with Figures 1 to 10 The following describes embodiments of the present invention.

[0055] According to an embodiment of the present invention, a leak-proof device is provided, comprising a leak-proof component 1 and an adapter 2; the leak-proof component 1 is annular in shape, and the leak-proof component 1 is provided with a leak-proof cavity 11, an air inlet 12 and an air outlet 13, the air inlet 12 being an annular opening disposed in the inner ring of the leak-proof component 1, and both the air inlet 12 and the air outlet 13 communicating with the leak-proof cavity 11; the leak-proof component 1 is used to be fitted around the outer periphery of the heat-insulating cover 100 of a cooking appliance, and when the cooking appliance is cooking, a sealing area is provided between the heat-insulating cover 100 and the opening of the inner pot 300 of the cooking appliance, and the air inlet 12 communicating with the sealing area; the adapter 2 is provided with an adapter cavity 21, a first adapter interface 22 and a second adapter interface 23, the first adapter interface 22 communicating with the air outlet 13 and the adapter cavity 21, and the second adapter interface 23 communicating with the adapter cavity 21 and the steam chamber 400 of the cooking appliance.

[0056] A sealing area is provided between the heat-insulating cover plate 100 and the opening of the inner pot 300 of the cooking appliance. A pot opening sealing ring 500 is provided in the sealing area. The leak-proof cavity 11 of the leak-proof component 1 is connected to the sealing area through an annular opening. The leak-proof cavity 11 is connected to the steam cavity 400 through the air outlet 13 and the transition cavity 21. When the cooking appliance is cooking, even if the pot opening sealing ring 500 and the side wall of the inner pot 300 at the sealing area are not properly sealed due to substandard processing dimensions, or if the pot opening sealing ring 500 is not properly sealed due to impurities such as rice grains stuck on it during actual use, the boiling water vapor in the inner pot 300 of the cooking appliance will overflow from the poorly sealed area and enter the leak-proof cavity 11 through the annular opening. Then, it will enter the steam cavity 400 through the transition cavity 21 and be discharged to the outside air of the cooking appliance through the steam outlet 401 on the steam cavity 400. It will not overflow around the cooking appliance, eliminating the risk of scalding consumers.

[0057] In a specific implementation, an air outlet grille is provided at the air outlet 13. The air outlet grille can increase the strength of the air outlet 13 and ensure the flow of gas without causing blockage.

[0058] In one embodiment, the leak-proof device further includes a fan 3, and the leak-proof component 1 further includes an air inlet 14 communicating with the leak-proof cavity 11, and the air outlet of the fan 3 is connected to the air inlet 14.

[0059] The blower 3 blows air into the leak-proof cavity 11 through the air inlet 14. The water vapor that overflows from the sealed area into the leak-proof cavity 11 can enter the transfer cavity 21 of the adapter 2 through the air outlet 13 of the leak-proof component 1 under the action of the blower 3, and then enter the steam cavity 400 through the transfer cavity 21, and then be discharged into the outside air through the steam cavity 400, so as to prevent water vapor from overflowing around the cooking appliance and eliminate the risk of scalding consumers.

[0060] In one embodiment, the air inlet 14 and the air outlet 13 are spaced apart, and the leak-proof cavity 11 is provided with a partition 4, which divides the leak-proof cavity 11 into a first cavity and a second cavity. The partition 4 is located at the air inlet 14. The two ends of the first cavity are respectively connected to the air outlet 13 and the air inlet 14, and the two ends of the second cavity are respectively connected to the air outlet 13 and the air inlet 14.

[0061] The leak-proof cavity 11 is equipped with a partition 4, which can divide the air blown in by the fan 3 into two parts at the air inlet 14. One part enters the first cavity and the other part enters the second cavity, reducing the movement path of the air and reducing the loss of the air. As a result, the water vapor leaking from the sealed area is blown into the air outlet 13 along the first cavity and the second cavity respectively, and then enters the transfer cavity 21 through the air outlet 13. Finally, it is discharged into the outside air through the transfer cavity 21 and the steam cavity 400, preventing water vapor from overflowing around the cooking appliance and eliminating the risk of scalding consumers.

[0062] In one specific embodiment, the end of the partition 4 facing away from the fan 3 is connected to the cavity wall of the leak-proof cavity 11.

[0063] In another specific embodiment, there is a ventilation gap between the end of the partition 4 facing away from the fan 3 and the cavity wall of the leak-proof cavity 11.

[0064] In a further embodiment, the baffle 4 divides the flow section at the air inlet 14 into a first flow section and a second flow section. The first flow section is connected to the first cavity, and the second flow section is connected to the second cavity. In the first cavity, the longer the circumferential distance between the baffle 4 and the air outlet 13 (i.e., the longer the gas movement path within the first cavity), the larger the area of ​​the first flow section. Similarly, in the second cavity, the longer the circumferential distance between the baffle 4 and the air outlet 13 (i.e., the longer the gas movement path within the second cavity), the larger the area of ​​the second flow section.

[0065] In a preferred embodiment, the ratio between the area of ​​the first flow section and the area of ​​the second flow section is a first ratio, and the ratio between the length of the gas movement path in the first cavity and the length of the gas movement path in the second cavity is a second ratio, wherein the first ratio and the second ratio are consistent.

[0066] In one embodiment, the air inlet 14 is disposed opposite to the air outlet 13.

[0067] The air inlet 14 and the air outlet 13 are arranged opposite to each other, and the partition 4 and the air outlet 13 are also arranged opposite to each other. The first cavity and the second cavity separated by the partition 4 are relatively uniform, which can make the air force of the fan 3 uniform in the first cavity and the second cavity, and have a relatively uniform leak-proof effect.

[0068] In one embodiment, a fixing position 15 is provided at the air inlet 14, and the fan 3 is connected to the leak-proof component 1 through the fixing position 15.

[0069] By fixing the blower 3 to the leak-proof component 1, it is possible to avoid making any modifications to other structures on the pot lid of the cooking appliance, and it is also convenient to install and remove the blower 3.

[0070] In a further embodiment, the fixing position 15 is provided with a first connecting hole, and the fan 3 is provided with a connecting part 31. The connecting part 31 is provided with a corresponding second connecting hole, and the first connecting hole and the second connecting hole are detachably connected by a fastening structure. The fastening structure includes screws or bolts, etc. Alternatively, the fixing position 15 is provided with a first snap-fit ​​component, and the fan 3 is provided with a second snap-fit ​​component, and the first snap-fit ​​component and the second snap-fit ​​component are detachably snapped together.

[0071] As an alternative implementation, the pot lid may be provided with a mounting part, the fan 3 may be connected to the mounting part and cooperate with the air inlet 14.

[0072] In one embodiment, in the axial direction, the cavity walls of the leak-proof component 1 located on both sides of the air inlet 12 are a first cavity wall 16 and a second cavity wall 17, respectively; the leak-proof device further includes a first sealing component 5 and a second sealing component 6; the first sealing component 5 has an annular structure and is connected between the first cavity wall 16 and the heat preservation cover plate 100; the second sealing component 6 has an annular structure and is connected between the second cavity wall 17 and the pot opening of the inner pot 300.

[0073] The first sealing element 5 is connected between the first cavity wall 16 and the heat-insulating cover plate 100 to achieve a seal between the first cavity wall 16 and the heat-insulating cover plate 100, preventing water vapor from overflowing from between the leak-proof element 1 and the heat-insulating cover plate 100, thus avoiding scalding consumers; the second sealing element 6 is connected between the second cavity wall 17 and the opening of the inner pot 300, which can achieve a seal between the second cavity wall 17 and the opening of the inner pot 300 when the cooking appliance is cooking, preventing water vapor from overflowing from between the leak-proof element 1 and the inner pot 300, thus avoiding scalding consumers. By setting the first sealing element 5 and the second sealing element 6, the leak-proof element 1 is sealed with the heat-insulating cover plate 100 and the inner pot 300. This ensures that when the sealing area is not sealed properly, the water vapor overflowing from the sealing area can enter the leak-proof cavity 11 through the air inlet 12, and then enter the steam cavity 400 through the air outlet 13 and the transfer cavity 21, and then be discharged into the outside air through the steam cavity 400. It will not overflow between the leak-proof element 1 and the heat-insulating cover plate 100, nor between the leak-proof element 1 and the inner pot 300.

[0074] In one specific embodiment, the leak-proof component 1 has an annular groove structure, the air inlet 12 is the groove opening of the leak-proof component 1, and the first cavity wall 16 and the second cavity wall 17 are the two groove walls of the leak-proof component 1, respectively.

[0075] In another specific embodiment, the air inlet 12 is disposed on the inner ring wall of the leak-proof component 1, dividing the inner ring wall into an upper part and a lower part, the upper part being the first cavity wall 16 and the lower part being the second cavity wall 17.

[0076] In a specific embodiment, the heat insulation cover 100 is connected to the heat insulation cover bracket 200, and the first sealing element 5 is connected between the first cavity wall 16 and the heat insulation cover bracket 200.

[0077] In one embodiment, the outer ring of the first seal 5 is provided with a first mounting groove, and the first seal 5 is connected to the first cavity wall 16 through the first mounting groove.

[0078] The first mounting groove is an annular groove, which facilitates the connection of the first sealing element 5 to the first cavity wall 16, provides a good sealing effect, and effectively fixes the first sealing element 5 to prevent curling or misalignment.

[0079] As an alternative implementation, the insulation cover 100 may have a third mounting groove, and the first sealing element 5 may be disposed in the third mounting groove and seal against the first cavity wall 16. Further, the insulation cover 100 may be connected to the insulation cover bracket 200, and the third mounting groove may be disposed on the insulation cover bracket 200.

[0080] In a further embodiment, the first sealing element 5 is an annular sealing structure made of silicone material.

[0081] In one embodiment, the outer ring of the second seal 6 is provided with a second mounting groove, and the second seal 6 is connected to the second cavity wall 17 through the second mounting groove.

[0082] The second mounting groove facilitates the connection of the second sealing element 6 to the second cavity wall 17, provides a good sealing effect, and effectively fixes the second sealing element 6, preventing edge curling or misalignment when the second sealing element 6 seals with the inner pot 300.

[0083] In a further embodiment, the second seal 6 is an annular sealing structure made of silicone material.

[0084] In one embodiment, the leak-proof device further includes a third seal 7 connected between the first adapter 22 and the air outlet 13.

[0085] The third seal 7 can achieve a seal between the first adapter 22 and the air outlet 13, preventing water vapor from overflowing between the first adapter 22 and the air outlet 13.

[0086] In a further embodiment, the third seal 7 is an annular sealing structure made of silicone material.

[0087] In a further embodiment, the first adapter 22 is sleeved on the outer periphery of the air outlet 13, and the third seal 7 is provided with a first annular fitting groove. The third seal 7 is sleeved on the first adapter 22 through the first annular fitting groove, or the third seal 7 is sleeved on the air outlet 13 through the first annular fitting groove.

[0088] As an alternative implementation, the first adapter 22 can be fitted around the outer periphery of the air outlet 13 and press-fitted with the air outlet 13 to achieve a seal between the two.

[0089] In one embodiment, the leak-proof device further includes a fourth seal 8 connected between the second adapter 23 and the steam chamber 400.

[0090] The fourth seal 8 can achieve a seal between the second adapter 23 and the steam chamber 400, preventing water vapor from overflowing between the second adapter 23 and the steam chamber 400.

[0091] In a further embodiment, the fourth sealing element 8 is an annular sealing structure made of silicone material.

[0092] In a further embodiment, the steam chamber 400 has a transition inlet on its side wall, and the second transition interface 23 is inserted into the transition inlet. The fourth seal 8 has a second annular fitting groove, and the fourth seal 8 is fitted onto the second transition interface 23 through the second annular fitting groove.

[0093] As an alternative implementation, the steam chamber 400 may have a transfer inlet on its side wall, and the second adapter 23 may be inserted into the transfer inlet and pressurized with the transfer inlet to seal the second adapter 23 and the transfer inlet.

[0094] According to an embodiment of the present invention, in another aspect, a cooking utensil is also provided, including a lid, a pot body, and the aforementioned leak-proof device. The lid includes a heat-insulating cover plate 100 and a steam chamber 400; the pot body includes an inner pot 300, and a sealing area is provided between the heat-insulating cover plate 100 and the opening of the inner pot 300 of the cooking utensil; a pot opening sealing ring 500 is connected to the heat-insulating cover plate 100, and when the lid and pot body are closed, the pot opening sealing ring 500 seals against the inner pot 300 to achieve a seal. The aforementioned leak-proof device is connected to the lid. The leak-proof device includes a leak-proof component 1 and an adapter 2. The leak-proof component 1 has a ring-shaped structure and is provided with a leak-proof cavity 11, an air inlet 12, and an air outlet 13. The air inlet 12 is an annular opening located in the inner ring of the leak-proof component 1, and both the air inlet 12 and the air outlet 13 are connected to the leak-proof cavity 11. The leak-proof component 1 is used to be fitted around the outer periphery of the heat-insulating cover 100 of the cooking appliance. When the cooking appliance is cooking, a sealing area is provided between the heat-insulating cover 100 and the opening of the inner pot 300 of the cooking appliance, and the air inlet 12 is connected to the sealing area. The adapter 2 is provided with an adapter cavity 21, a first adapter interface 22, and a second adapter interface 23. The first adapter interface 22 connects the air outlet 13 and the adapter cavity 21, and the second adapter interface 23 connects the adapter cavity 21 and the steam chamber 400 of the cooking appliance.

[0095] A sealing area is provided between the heat-insulating cover plate 100 and the opening of the inner pot 300 of the cooking appliance. A pot opening sealing ring 500 is provided in the sealing area. The leak-proof cavity 11 of the leak-proof component 1 is connected to the sealing area through an annular opening. The leak-proof cavity 11 is connected to the steam cavity 400 through the air outlet 13 and the transition cavity 21. When the cooking appliance is cooking, even if the pot opening sealing ring 500 and the side wall of the inner pot 300 at the sealing area are not properly sealed due to substandard processing dimensions, or if the pot opening sealing ring 500 is not properly sealed due to impurities such as rice grains stuck on it during actual use, the boiling water vapor in the inner pot 300 of the cooking appliance will overflow from the poorly sealed area and enter the leak-proof cavity 11 through the annular opening. Then, it will enter the steam cavity 400 through the transition cavity 21 and be discharged to the outside air of the cooking appliance through the steam outlet 401 on the steam cavity 400. It will not overflow around the cooking appliance, eliminating the risk of scalding consumers.

[0096] In a specific embodiment, the pot lid also includes a lid shell, which includes a lid top plate and a lid side wall. The lid side wall is connected to the lid top plate. A first connector 600 is provided at one end of the lid side wall away from the lid top plate. A second connector 18 is provided on the outer periphery of the leak-proof component 1 of the leak-proof device. The leak-proof device is detachably connected to the pot lid through the second connector 18 and the first connector 600.

[0097] Furthermore, the first connector 600 is a first buckle, and the second connector 18 is a second buckle. The first buckle is provided with a first guide surface, and the second buckle is provided with a second guide surface. The first guide surface and the second guide surface can facilitate the engagement of the first buckle and the second buckle.

[0098] In one embodiment, the cooking appliance is a rice cooker.

[0099] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by this application.

Claims

1. A leak-proof device, characterized in that, include: The leak-proof component (1) has a ring-shaped structure. The leak-proof component (1) is provided with a leak-proof cavity (11), an air inlet (12) and an air outlet (13). The air inlet (12) is an annular opening provided in the inner ring of the leak-proof component (1). Both the air inlet (12) and the air outlet (13) are connected to the leak-proof cavity (11). The leak-proof component (1) is used to be fitted around the outer periphery of the heat-insulating cover plate (100) of the cooking appliance. When the cooking appliance is cooking, a sealing area is provided between the heat-insulating cover plate (100) and the pot opening of the inner pot (300) of the cooking appliance. The air inlet (12) is connected to the sealing area. The adapter (2) is provided with an adapter cavity (21), a first adapter interface (22) and a second adapter interface (23). The first adapter interface (22) connects the air outlet (13) and the adapter cavity (21). The second adapter interface (23) is used to connect the adapter cavity (21) and the steam chamber (400) of the cooking appliance.

2. The leak-proof device according to claim 1, characterized in that, The leak-proof device also includes a fan (3), and the leak-proof component (1) also includes an air inlet (14) that communicates with the leak-proof cavity (11). The air outlet of the fan (3) is connected to the air inlet (14).

3. The leak-proof device according to claim 2, characterized in that, The air inlet (14) and the air outlet (13) are spaced apart. The leak-proof cavity (11) is provided with a partition (4). The partition (4) divides the leak-proof cavity (11) into a first cavity and a second cavity. The partition (4) is located at the air inlet (14). The two ends of the first cavity are respectively connected to the air outlet (13) and the air inlet (14). The two ends of the second cavity are respectively connected to the air outlet (13) and the air inlet (14).

4. The leak-proof device according to claim 3, characterized in that, The air inlet (14) is positioned opposite to the air outlet (13).

5. The leak-proof device according to claim 2, characterized in that, The air inlet (14) is provided with a fixing position (15), and the fan (3) is connected to the leak-proof component (1) through the fixing position (15).

6. The leak-proof device according to any one of claims 1 to 5, characterized in that, In the axial direction, the cavity walls of the leak-proof component (1) located on both sides of the air inlet (12) are the first cavity wall (16) and the second cavity wall (17), respectively; the leak-proof device further includes: The first sealing element (5) has an annular structure and is connected between the first cavity wall (16) and the heat insulation cover plate (100). The second sealing element (6) is an annular structure and is connected between the second cavity wall (17) and the pot opening of the inner pot (300).

7. The leak-proof device according to claim 6, characterized in that, The outer ring of the first sealing element (5) is provided with a first mounting groove, and the first sealing element (5) is connected to the first cavity wall (16) through the first mounting groove.

8. The leak-proof device according to claim 6, characterized in that, The second sealing element (6) has a second mounting groove on its outer ring, and the second sealing element (6) is connected to the second cavity wall (17) through the second mounting groove.

9. The leak-proof device according to any one of claims 1 to 5, 7, or 8, characterized in that, The leak-proof device also includes a third seal (7), which is connected between the first adapter (22) and the air outlet (13); And / or, the leak-proof device further includes a fourth seal (8) connected between the second adapter (23) and the steam chamber (400).

10. A cooking utensil, characterized in that, include: The pot lid includes an insulated cover plate (100) and a steam chamber (400). The pot body includes an inner pot (300), and a sealing area is provided between the heat-insulating cover plate (100) and the pot opening of the inner pot (300) of the cooking appliance; The leak-proof device according to any one of claims 1 to 9 is connected to the pot lid.

11. The cooking utensil according to claim 10, characterized in that, The cooking appliance is an electric rice cooker.

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