Leakage-proof device and cooking utensil

Abstract

The invention relates to the technical field of cooking utensils, and discloses a leakage-proof device and a cooking utensil, the leakage-proof device is characterized in that a leakage-proof piece is of an annular structure, a leakage-proof cavity, an air inlet and an air outlet are formed in the leakage-proof piece, the air inlet is an annular opening formed in an inner ring of the leakage-proof piece, and the air inlet and the air outlet are both communicated with the leakage-proof cavity; the leakage-proof piece is used for being arranged on the periphery of a heat preservation cover plate of the cooking utensil in a sleeving mode, a sealing area is arranged between the heat preservation cover plate and a pot opening of an inner pot of the cooking utensil, and the air inlet is communicated with the sealing area. The adapter is provided with an adapter cavity, a first adapter port and a second adapter port, the first adapter port is communicated with the air outlet and the adapter cavity, and the second adapter port is used for communicating the second adapter port and a steam cavity of the cooking utensil. According to the leakage-proof device provided by the invention, boiling water vapor of the cooking utensil can enter the steam cavity through the leakage-proof cavity and the transfer cavity after overflowing from the sealing area with poor sealing, and is discharged into external air of the cooking utensil, and the boiling water vapor cannot overflow from the periphery of the cooking utensil.

Description

Technical Field

[0001] The present invention relates to the technical field of cooking utensils, and in particular to a leakage prevention device and a cooking utensil. Background Art

[0002] When cooking appliances like rice cookers are operating normally, the water in the pot boils and produces steam. Typically, a full-circle pot seal is installed around the edge of the inner pot of the cooking appliance, sealing the edge of the inner pot and allowing the steam inside the cooking appliance to escape through the steam vent of the cooking valve, achieving normal exhaust and pressure relief.

[0003] However, in actual use, the pot mouth sealing ring and the inner pot side wall may not meet the processing requirements, which may lead to poor sealing when they are combined; or in actual use, if impurities such as rice grains stick to the pot mouth sealing ring, poor sealing may also occur; when a poor seal occurs, if the cooking utensil is used for cooking, the boiling steam in the pot will overflow from the circumference of the cooking utensil, 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 the sealing is poor, when the cooking utensil is used to cook rice, the boiling steam in the pot will overflow from the circumference of the cooking utensil, posing a hidden danger of scalding consumers.

[0005] In a first aspect, the present invention provides a leakage prevention device, comprising: The leak-proof member is an annular structure, and is provided with a leak-proof cavity, an air inlet, and an air outlet. The air inlet is an annular opening provided in the inner ring of the leak-proof member, and both the air inlet and the air outlet are connected to the leak-proof cavity. The leak-proof member is used to be sleeved on the outer periphery of the heat-insulating cover of the cooking utensil. When the cooking utensil is used for cooking, a sealing area is provided between the heat-insulating cover and the pot opening of the inner pot of the cooking utensil, and the air inlet is connected to the sealing area. The adapter is provided with an adapter cavity, a first adapter interface and a second adapter interface, wherein the first adapter interface is connected with the air outlet and the adapter cavity, and the second adapter interface is used to connect the second adapter interface and the steam cavity of the cooking utensil.

[0006] Beneficial effect: a sealing area is provided between the heat-insulating cover and the pot mouth of the inner pot of the cooking utensil, a pot mouth sealing ring is provided at the sealing area, the leakage-proof cavity of the leakage-proof part is communicated with the sealing area through the annular opening, and the leakage-proof cavity is communicated with the steam cavity through the air outlet and the transition cavity; when the cooking utensil is used for cooking, even if the pot mouth sealing ring and the inner pot side wall at the sealing area are poorly sealed due to unqualified processing dimensions, or if impurities such as rice grains are adhered to the pot mouth sealing ring during actual use, resulting in poor sealing, the boiling water vapor in the inner pot of the cooking utensil will overflow from the poorly sealed sealing area and enter the leakage-proof cavity through the annular opening, and then enter the steam cavity through the transition cavity, and be discharged to the outside of the cooking utensil through the steam port on the steam cavity, and will not overflow through the circumference of the cooking utensil, thereby eliminating the hidden danger of scalding consumers.

[0007] In an optional embodiment, the leakage prevention device further includes a fan, the leakage prevention component further includes an air inlet connected to the leakage prevention cavity, and the air outlet end of the fan is connected to the air inlet.

[0008] Beneficial effect: The fan blows air into the leak-proof cavity through the air inlet. Water vapor overflowing from the sealed area into the leak-proof cavity can enter the adapter cavity of the adapter from the air outlet of the leak-proof part under the action of the wind force of the fan, and then enter the steam cavity through the adapter cavity, and then be discharged to the outside air through the steam cavity, thereby preventing water vapor from overflowing through the circumference of the cooking utensil and eliminating the hidden danger of scalding consumers.

[0009] In an optional embodiment, the air inlet and the air outlet are spaced apart, and a partition is provided in the leakage-proof cavity, which divides the leakage-proof cavity into a first cavity and a second cavity, and the partition is arranged 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.

[0010] Beneficial effect: A partition is provided in the leak-proof cavity, which can divide the air blown in by the fan into two parts at the air inlet, one part enters the first cavity and the other part enters the second cavity, thereby reducing the movement path of the incoming air and reducing the loss of the incoming air, so that the water vapor leaked from the sealed area is blown into the air outlet along the first cavity and the second cavity respectively, and then enters the transfer cavity through the air outlet, and is then discharged to the outside air through the transfer cavity and the steam cavity, thereby preventing water vapor from overflowing through the circumference of the cooking appliance and eliminating the hidden danger of scalding consumers.

[0011] In an optional embodiment, the air inlet and the air outlet are arranged opposite to each other.

[0012] Beneficial effects: The air inlet and the air outlet are arranged opposite to each other, and the partition and the air outlet are also arranged opposite to each other. The first cavity and the second cavity separated by the partition are relatively uniform, which can make the wind force of the fan in the first cavity and the second cavity uniform, and has a relatively uniform leakage prevention effect.

[0013] In an optional embodiment, a fixing position is provided at the air inlet, and the fan is connected to the leakage prevention component through the fixing position.

[0014] Beneficial effect: By fixing the fan to the leak-proof part, it is possible to avoid making improvements to other structures on the pot cover of the cooking utensil, and it is also convenient to install and remove the fan.

[0015] In an optional embodiment, in the axial direction, the cavity walls of the leakage-proof member located on both sides of the air inlet are respectively the first cavity wall and the second cavity wall; the leakage-proof device further includes: A first sealing member is an annular structure, and the first sealing member is connected between the first cavity wall and the thermal insulation cover plate; The second sealing member is an annular structure, and the second sealing member is connected between the second cavity wall and the pot mouth of the inner pot.

[0016] Beneficial effects: The first sealing member is connected between the first cavity wall and the thermal insulation cover plate to achieve a seal between the first cavity wall and the thermal insulation cover plate, preventing water vapor from escaping from between the leak-proof member and the thermal insulation cover plate, thereby avoiding scalding consumers; the second sealing member is connected between the second cavity wall and the pot mouth of the inner pot, thereby achieving a seal between the second cavity wall and the pot mouth of the inner pot when the cooking appliance is cooking, thereby preventing water vapor from escaping from between the leak-proof member and the inner pot, thereby avoiding scalding consumers. The provision of the first and second sealing members achieves a seal between the leak-proof member, the thermal insulation cover plate, and the inner pot, ensuring that if a sealing defect occurs in the sealed area, water vapor escaping from the sealed area can enter the leak-proof cavity through the air inlet, then enter the steam cavity through the air outlet and the transition cavity, and then be discharged to the outside air through the steam cavity, without escaping from between the leak-proof member and the thermal insulation cover plate, or between the leak-proof member and the inner pot.

[0017] In an optional embodiment, a first mounting groove is provided on the outer ring of the first sealing member, and the first sealing member is connected to the first cavity wall through the first mounting groove.

[0018] Beneficial effect: Through the setting of the first mounting groove, the first mounting groove is an annular groove, which can facilitate the connection of the first sealing member to the first cavity wall, and has a better sealing effect, and can also better fix the first sealing member to prevent curling or dislocation.

[0019] In an optional embodiment, a second mounting groove is provided on the outer ring of the second sealing member, and the second sealing member is connected to the second cavity wall through the second mounting groove.

[0020] Beneficial effect: The setting of the second mounting groove can not only facilitate the connection of the second sealing member to the second cavity wall, but also achieve a better sealing effect, and can also better fix the second sealing member to prevent curling or dislocation when the second sealing member is sealed with the inner pot.

[0021] In an optional embodiment, the leakage prevention device further includes a third sealing member connected between the first adapter and the air outlet.

[0022] Beneficial effect: The third sealing member can achieve sealing between the first adapter and the air outlet, preventing water vapor from overflowing from between the first adapter and the air outlet.

[0023] In an optional embodiment, the leakage prevention device further includes a fourth sealing member connected between the second adapter and the steam chamber.

[0024] Beneficial effect: The fourth sealing member can achieve sealing between the second adapter and the steam chamber, preventing water vapor from overflowing from between the second adapter and the steam chamber.

[0025] In a second aspect, the present invention further provides a cooking utensil, comprising: Pot cover, including heat-insulating cover plate and steam chamber; The pot body includes an inner pot, and a sealing area is provided between the heat-insulating cover plate and the pot mouth of the inner pot of the cooking utensil; The leak-proof device is connected to the pot cover.

[0026] Beneficial effect: a sealing area is provided between the heat-insulating cover and the pot mouth of the inner pot of the cooking utensil, a pot mouth sealing ring is provided at the sealing area, the leakage-proof cavity of the leakage-proof part is communicated with the sealing area through the annular opening, and the leakage-proof cavity is communicated with the steam cavity through the air outlet and the transition cavity; when the cooking utensil is used for cooking, even if the pot mouth sealing ring and the inner pot side wall at the sealing area are poorly sealed due to unqualified processing dimensions, or if impurities such as rice grains are adhered to the pot mouth sealing ring during actual use, resulting in poor sealing, the boiling water vapor in the inner pot of the cooking utensil will overflow from the poorly sealed sealing area and enter the leakage-proof cavity through the annular opening, and then enter the steam cavity through the transition cavity, and be discharged to the outside of the cooking utensil through the steam port on the steam cavity, and will not overflow through the circumference of the cooking utensil, thereby eliminating the hidden danger of scalding consumers.

[0027] In an optional embodiment, the cooking utensil is an electric rice cooker. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in related technologies, the following briefly introduces the drawings required for use in the specific embodiments or related technical descriptions. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 A cross-sectional view of a partial structure of a cooking utensil according to an embodiment of the present invention; Figure 2 for Figure 1 A partial enlarged schematic diagram; Figure 3 for Figure 1 A partial enlarged schematic diagram of B in the middle; Figure 4 A cross-sectional view of a leak-proof component of a cooking utensil according to an embodiment of the present invention; Figure 5 for Figure 4 A partial enlarged schematic diagram of center C; Figure 6 is a schematic diagram of a partial structure of a cooking utensil according to an embodiment of the present invention; Figure 7 for Figure 6 A partial enlarged schematic diagram of D in the middle; Figure 8 Another cross-sectional view of a partial structure of a cooking utensil according to an embodiment of the present invention; Figure 9 for Figure 8 A partial enlarged schematic diagram of E in the middle; Figure 10 for Figure 8 A partial enlarged schematic diagram of F in the middle.

[0030] Description of reference numerals: 1. Leakage-proof component; 11. Leakage-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 piece; 2. Adapter; 21. Adapter cavity; 22. First adapter; 23. Second adapter; 3. Fan; 31. Connecting part; 4. Partition; 5. First sealing member; 6. Second sealing member; 7. Third sealing member; 8. Fourth sealing member; 100, thermal insulation cover; 200, thermal insulation cover bracket; 300, inner pot; 400, steam chamber; 401, steam outlet; 500, pot mouth sealing ring; 600, first connecting piece. DETAILED DESCRIPTION

[0031] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0032] The following combination Figures 1 to 10 , describing embodiments of the present invention.

[0033] According to an embodiment of the present invention, on the one hand, a leakage prevention device is provided, including a leakage prevention part 1 and an adapter 2; the leakage prevention part 1 is an annular structure, and is provided with a leakage prevention cavity 11, an air inlet 12 and an air outlet 13 on the leakage prevention part 1, the air inlet 12 is an annular opening arranged on the inner ring of the leakage prevention part 1, and the air inlet 12 and the air outlet 13 are both connected to the leakage prevention cavity 11; the leakage prevention part 1 is used to be mounted on the outer periphery of the heat-insulating cover 100 of the cooking utensil, and when the cooking utensil is cooking, a sealing area is provided between the heat-insulating cover 100 and the pot mouth of the inner pot 300 of the cooking utensil, and the air inlet 12 is connected to the sealing area; the adapter 2 is provided with an adapter cavity 21, a first adapter port 22 and a second adapter port 23, the first adapter port 22 is connected to the air outlet 13 and the adapter cavity 21, and the second adapter port 23 is used to connect the second adapter port 23 and the steam cavity 400 of the cooking utensil.

[0034] A sealing area is provided between the heat-insulating cover 100 and the pot mouth of the inner pot 300 of the cooking utensil, and a pot mouth sealing ring 500 is provided at the sealing area. The leakage-proof cavity 11 of the leakage-proof part 1 is communicated with the sealing area through an annular opening, and the leakage-proof cavity 11 is communicated with the steam cavity 400 through the air outlet 13 and the transition cavity 21. When the cooking utensil is used for cooking, even if the pot mouth sealing ring 500 and the side wall of the inner pot 300 at the sealing area are poorly sealed due to unqualified processing dimensions, or if impurities such as rice grains are adhered to the pot mouth sealing ring 500 during actual use, resulting in a poor seal, the boiling water vapor in the inner pot 300 of the cooking utensil will overflow from the poorly sealed sealing area and enter the leakage-proof cavity 11 through the annular opening, and then enter the steam cavity 400 through the transition cavity 21, and be discharged to the external air of the cooking utensil through the steam port 401 on the steam cavity 400, and will not overflow through the circumference of the cooking utensil, thereby eliminating the hidden danger of scalding consumers.

[0035] In a specific embodiment, an air outlet grille is provided at the air outlet 13 , which can not only increase the strength of the air outlet 13 , but also ensure the flow of gas without causing blockage.

[0036] In one embodiment, the leakage prevention device further includes a fan 3 , and the leakage prevention component 1 further includes an air inlet 14 connected to the leakage prevention cavity 11 , and an air outlet end of the fan 3 is connected to the air inlet 14 .

[0037] The fan 3 blows air into the leak-proof cavity 11 through the air inlet 14. Water vapor overflowing from the sealed area into the leak-proof cavity 11 can enter the adapter cavity 21 of the adapter 2 from the air outlet 13 of the leak-proof component 1 under the action of the wind force of the fan 3, and then enter the steam cavity 400 through the adapter cavity 21, and then be discharged to the outside air through the steam cavity 400, thereby preventing water vapor from overflowing through the circumference of the cooking utensil and eliminating the hidden danger of scalding consumers.

[0038] In one embodiment, the air inlet 14 is spaced apart from the air outlet 13, and a partition 4 is provided in the anti-leakage cavity 11, and the partition 4 divides the anti-leakage cavity 11 into a first cavity and a second cavity, and the partition 4 is arranged 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.

[0039] A partition 4 is provided in the leak-proof cavity 11, 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, thereby reducing the movement path of the incoming air and reducing the loss of the incoming air, so that the water vapor leaked 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, and is then discharged to the outside air through the transfer cavity 21 and the steam cavity 400, thereby preventing water vapor from overflowing through the circumference of the cooking utensil and eliminating the hidden danger of scalding consumers.

[0040] In a specific embodiment, one end of the partition 4 facing away from the blower 3 is connected to the cavity wall of the leakage-proof cavity 11 .

[0041] Specifically, in another embodiment, a ventilation gap is provided between the end of the partition plate 4 facing away from the blower 3 and the cavity wall of the leakage-proof cavity 11 .

[0042] In a further embodiment, the partition 4 divides the flow section at the air inlet 14 into a first flow section and a second flow section. The first flow section communicates with the first cavity, and the second flow section communicates with the second cavity. In the first cavity, the longer the circumferential distance between the partition 4 and the air outlet 13, that is, the longer the path of gas movement in the first cavity, the larger the area of ​​the first flow section. In the second cavity, the longer the circumferential distance between the partition 4 and the air outlet 13, that is, the longer the path of gas movement in the second cavity, the larger the area of ​​the second flow section.

[0043] In a preferred embodiment, the ratio of the area of ​​the first flow cross-section to the area of ​​the second flow cross-section is a first ratio, the ratio of the length of the movement path of the gas in the first cavity to the length of the movement path of the gas in the second cavity is a second ratio, and the first ratio is consistent with the second ratio.

[0044] In one embodiment, the air inlet 14 is arranged opposite to the air outlet 13 .

[0045] 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 wind force of the fan 3 in the first cavity and the second cavity uniform, and has a relatively uniform leakage prevention effect.

[0046] In one embodiment, a fixing position 15 is provided at the air inlet 14 , and the fan 3 is connected to the leakage prevention component 1 via the fixing position 15 .

[0047] By fixing the fan 3 to the leak-proof member 1 , it is possible to avoid modifications to other structures on the pot cover of the cooking utensil and to facilitate the installation and removal of the fan 3 .

[0048] In a further embodiment, the fixing portion 15 is provided with a first connection hole, the fan 3 is provided with a connection portion 31, and the connection portion 31 is correspondingly provided with a second connection hole. The first connection hole and the second connection hole are detachably connected by a fastening structure. The fastening structure includes screws or bolts. Alternatively, the fixing portion 15 is provided with a first clamping member, and the fan 3 is provided with a second clamping member. The first clamping member and the second clamping member are detachably connected.

[0049] As a convertible embodiment, a mounting portion may be provided on the pot cover, and the fan 3 is connected to the mounting portion and cooperates with the air inlet 14 .

[0050] In one embodiment, in the axial direction, the cavity walls of the leakage-proof component 1 located on both sides of the air inlet 12 are respectively the first cavity wall 16 and the second cavity wall 17; the leakage-proof device also includes a first seal 5 and a second seal 6; the first seal 5 is an annular structure, and the first seal 5 is connected between the first cavity wall 16 and the thermal insulation cover 100; the second seal 6 is an annular structure, and the second seal 6 is connected between the second cavity wall 17 and the pot mouth of the inner pot 300.

[0051] The first sealing member 5 is connected between the first cavity wall 16 and the thermal insulation cover 100 to achieve sealing between the first cavity wall 16 and the thermal insulation cover 100, preventing water vapor from overflowing from between the leakage-proof member 1 and the thermal insulation cover 100, and avoiding scalding consumers; the second sealing member 6 is connected between the second cavity wall 17 and the pot mouth of the inner pot 300, and can achieve sealing between the second cavity wall 17 and the pot mouth of the inner pot 300 when the cooking utensil is cooking, preventing water vapor from overflowing from between the leakage-proof member 1 and the inner pot 300, and avoiding scalding consumers. By setting the first sealing member 5 and the second sealing member 6, the sealing between the leakage-proof member 1 and the thermal insulation cover 100 and the inner pot 300 is achieved, ensuring that when the sealing area is poorly sealed, the water vapor overflowing from the sealing area can enter the leakage-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 to the external air through the steam cavity 400, without overflowing through the gap between the leakage-proof member 1 and the thermal insulation cover 100, and without overflowing through the gap between the leakage-proof member 1 and the inner pot 300.

[0052] Specifically, in one embodiment, the leakage prevention member 1 is an annular groove structure, the air inlet 12 is the groove of the leakage prevention member 1 , and the first cavity wall 16 and the second cavity wall 17 are two groove walls of the leakage prevention member 1 .

[0053] Specifically, in another embodiment, the air inlet 12 is provided on the inner ring wall of the leakage preventing component 1 , dividing the inner ring wall into an upper half and a lower half, the upper half being the first cavity wall 16 and the lower half being the second cavity wall 17 .

[0054] In a specific embodiment, the thermal insulation cover 100 is connected to the thermal insulation cover bracket 200 , and the first sealing member 5 is connected between the first cavity wall 16 and the thermal insulation cover bracket 200 .

[0055] In one embodiment, a first mounting groove is provided on the outer ring of the first sealing member 5 , and the first sealing member 5 is connected to the first cavity wall 16 through the first mounting groove.

[0056] By setting the first mounting groove, the first mounting groove is an annular groove, which can facilitate the connection of the first sealing member 5 to the first cavity wall 16, and can have a better sealing effect, and can also better fix the first sealing member 5 to prevent curling or dislocation.

[0057] As an alternative embodiment, the thermal insulation cover 100 may be provided with a third mounting groove, and the first sealing member 5 may be disposed within the third mounting groove and in sealing contact with the first cavity wall 16. Furthermore, the thermal insulation cover 100 may be connected to the thermal insulation cover bracket 200, and the third mounting groove may be provided on the thermal insulation cover bracket 200.

[0058] In a further embodiment, the first sealing member 5 is an annular sealing structure made of silicone material.

[0059] In one embodiment, a second mounting groove is provided on the outer ring of the second sealing member 6 , and the second sealing member 6 is connected to the second cavity wall 17 through the second mounting groove.

[0060] By setting the second mounting groove, the second sealing member 6 can be easily connected to the second cavity wall 17, and a better sealing effect can be achieved. The second sealing member 6 can also be better fixed to prevent curling or misalignment when the second sealing member 6 is sealed with the inner pot 300.

[0061] In a further embodiment, the second sealing member 6 is an annular sealing structure made of silicone material.

[0062] In one embodiment, the leakage prevention device further includes a third sealing member 7 , which is connected between the first adapter port 22 and the air outlet 13 .

[0063] The third sealing member 7 can achieve sealing between the first adapter port 22 and the air outlet 13 to prevent water vapor from overflowing from between the first adapter port 22 and the air outlet 13 .

[0064] In a further embodiment, the third sealing member 7 is an annular sealing structure made of silicone material.

[0065] In a further embodiment, the first adapter port 22 is sleeved on the outer periphery of the air outlet 13, and a first annular sleeve groove is provided on the third sealing member 7. The third sealing member 7 is sleeved on the first adapter port 22 through the first annular sleeve groove, or the third sealing member 7 is sleeved on the air outlet 13 through the first annular sleeve groove.

[0066] As a convertible implementation, the first adapter 22 may be sleeved on the outer periphery of the air outlet 13 and have an interference fit with the air outlet 13 to achieve sealing between the two.

[0067] In one embodiment, the leakage prevention device further includes a fourth sealing member 8 , which is connected between the second adapter 23 and the steam chamber 400 .

[0068] The fourth sealing member 8 can achieve sealing between the second adapter port 23 and the steam chamber 400 , thereby preventing water vapor from overflowing from between the second adapter port 23 and the steam chamber 400 .

[0069] In a further embodiment, the fourth sealing member 8 is an annular sealing structure made of silicone material.

[0070] In a further embodiment, a transfer inlet is provided on the side wall of the steam chamber 400, and the second transfer port 23 is plugged into the transfer inlet. A second annular sleeve groove is provided on the fourth sealing member 8, and the fourth sealing member 8 is sleeved on the second transfer port 23 through the second annular sleeve groove.

[0071] As a convertible embodiment, a transfer inlet may be provided on the side wall of the steam chamber 400 , and the second transfer port 23 may be plugged into the transfer inlet and interference fit with the transfer inlet to seal the second transfer port 23 and the transfer inlet.

[0072] According to another aspect of an embodiment of the present invention, a cooking utensil is provided, comprising a pot lid, a pot body, and the aforementioned leak-proof device. The pot lid comprises a heat-insulating cover plate 100 and a steam chamber 400. The pot body comprises an inner pot 300. A sealing area is provided between the heat-insulating cover plate 100 and the pot 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. When the pot 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 pot lid. The leakage-proof device includes a leakage-proof part 1 and an adapter 2; the leakage-proof part 1 is an annular structure, and is provided with a leakage-proof cavity 11, an air inlet 12 and an air outlet 13 on the leakage-proof part 1, the air inlet 12 is an annular opening arranged on the inner ring of the leakage-proof part 1, and the air inlet 12 and the air outlet 13 are both connected to the leakage-proof cavity 11; the leakage-proof part 1 is used to be sleeved on the outer periphery of the heat-insulating cover 100 of the cooking utensil, and when the cooking utensil is cooking, a sealing area is provided between the heat-insulating cover 100 and the pot mouth of the inner pot 300 of the cooking utensil, and the air inlet 12 is connected to the sealing area; the adapter 2 is provided with an adapter cavity 21, a first adapter port 22 and a second adapter port 23, the first adapter port 22 is connected to the air outlet 13 and the adapter cavity 21, and the second adapter port 23 is used to connect the second adapter port 23 and the steam cavity 400 of the cooking utensil.

[0073] A sealing area is provided between the heat-insulating cover 100 and the pot mouth of the inner pot 300 of the cooking utensil, and a pot mouth sealing ring 500 is provided at the sealing area. The leakage-proof cavity 11 of the leakage-proof part 1 is communicated with the sealing area through an annular opening, and the leakage-proof cavity 11 is communicated with the steam cavity 400 through the air outlet 13 and the transition cavity 21. When the cooking utensil is used for cooking, even if the pot mouth sealing ring 500 and the side wall of the inner pot 300 at the sealing area are poorly sealed due to unqualified processing dimensions, or if impurities such as rice grains are adhered to the pot mouth sealing ring 500 during actual use, resulting in a poor seal, the boiling water vapor in the inner pot 300 of the cooking utensil will overflow from the poorly sealed sealing area and enter the leakage-proof cavity 11 through the annular opening, and then enter the steam cavity 400 through the transition cavity 21, and be discharged to the external air of the cooking utensil through the steam port 401 on the steam cavity 400, and will not overflow through the circumference of the cooking utensil, thereby eliminating the hidden danger of scalding consumers.

[0074] In a specific embodiment, the pot cover also includes a cover shell, the cover shell includes a cover top plate and a cover side wall, the cover side wall is connected to the cover top plate, and a first connecting member 600 is provided at one end of the cover side wall away from the cover top plate, and a second connecting member 18 is provided on the outer periphery of the leakage-proof member 1 of the leakage-proof device, and the leakage-proof device is detachably connected to the pot cover through the second connecting member 18 and the first connecting member 600.

[0075] Furthermore, the first connecting member 600 is a first buckle, and the second connecting member 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 connection between the first buckle and the second buckle.

[0076] In one embodiment, the cooking appliance is an electric rice cooker.

[0077] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by this application.

Claims

1. A leak-proof device, characterized in that: include: The leak-proof member (1) is an annular 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 provided on the inner ring of the leak-proof member (1), and both the air inlet (12) and the air outlet (13) are communicated with the leak-proof cavity (11). The leak-proof member (1) is used to be sleeved on the outer periphery of the heat-insulating cover (100) of the cooking utensil. When the cooking utensil is used for cooking, a sealing area is provided between the heat-insulating cover (100) and the pot opening of the inner pot (300) of the cooking utensil, and the air inlet (12) is communicated with the sealing area. The adapter (2) is provided with an adapter cavity (21), a first adapter port (22), and a second adapter port (23), wherein the first adapter port (22) is connected to the air outlet (13) and the adapter cavity (21), and the second adapter port (23) is used to connect the second adapter port (23) and the steam cavity (400) of the cooking appliance.

2. The leakage prevention device according to claim 1, characterized in that: The leakage prevention device further comprises a fan (3), and the leakage prevention component (1) further comprises an air inlet (14) connected to the leakage prevention cavity (11), and the air outlet end of the fan (3) is connected to the air inlet (14).

3. The leakage prevention device according to claim 2, characterized in that: The air inlet (14) and the air outlet (13) are spaced apart from each other, a partition (4) is provided in the anti-leakage cavity (11), the partition (4) divides the anti-leakage cavity (11) into a first cavity and a second cavity, and the partition (4) is arranged at the air inlet (14); the two ends of the first cavity are respectively communicated with the air outlet (13) and the air inlet (14), and the two ends of the second cavity are respectively communicated with the air outlet (13) and the air inlet (14).

4. The leakage prevention device according to claim 3, characterized in that: The air inlet (14) and the air outlet (13) are arranged opposite to each other.

5. The leakage prevention device according to claim 2, characterized in that: A fixing position (15) is provided at the air inlet (14), and the fan (3) is connected to the leakage prevention component (1) via the fixing position (15).

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

7. The leakage prevention device according to claim 6, characterized in that: A first mounting groove is provided on the outer ring of the first sealing member (5), and the first sealing member (5) is connected to the first cavity wall (16) via the first mounting groove.

8. The leakage prevention device according to claim 6, characterized in that: A second mounting groove is provided on the outer ring of the second sealing member (6), and the second sealing member (6) is connected to the second cavity wall (17) via the second mounting groove.

9. The leakage prevention device according to any one of claims 1 to 5, 7 or 8, characterized in that: The anti-leakage device further comprises a third sealing member (7), wherein the third sealing member (7) is connected between the first adapter (22) and the air outlet (13); And / or, the leakage prevention device further comprises a fourth sealing member (8), wherein the fourth sealing member (8) is connected between the second adapter (23) and the steam chamber (400).

10. A cooking utensil, characterized in that: include: A pot cover, comprising a heat-insulating cover plate (100) and a steam chamber (400); The pot body comprises 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 utensil; The leakage prevention device according to any one of claims 1 to 9, connected to the pot cover.

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

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