Cooking equipment

Abstract

The utility model relates to cooking equipment which comprises an inner container provided with a cooking cavity and provided with a steam exhaust hole, and the steam exhaust hole enables the cooking cavity to be communicated with the outside; the steam storage chamber is arranged in the inner container, a steam storage cavity is formed in the steam storage chamber, and the steam storage cavity is provided with a first steam outlet; the nozzle is connected to the steam storage chamber and provided with a spraying hole, and the spraying hole communicates with the first steam outlet and is arranged downwards; the first plugging piece is movably connected to the wall of the first steam outlet; when the first blocking piece moves to the closed position, the first steam outlet is blocked; the steam compression device comprises a transition chamber and a steam compression pump, the transition chamber is provided with an inlet and a first outlet which are communicated with each other, the inlet is communicated with the steam compression pump, and the first outlet is communicated with the steam storage cavity; the steam compression pump can extract high-temperature steam in the cooking cavity, compress the high-temperature steam and then feed the high-temperature steam into the transition chamber through the inlet. The cooking equipment can shorten the time for a user to wait for remarkable reduction of the concentration of high-temperature steam in the cooking equipment.

Description

Technical Field

[0001] The present application relates to the technical field of cooking appliances, and particularly to cooking appliances. Background Art

[0002] Cooking appliances with steaming functions such as steam ovens and steam combination ovens heat and cook food using high-temperature steam. Specifically, a heating plate is provided inside such cooking appliances, and water is contained in the heating plate. When the heating plate operates, the water is heated and vaporized into high-temperature steam. To prevent excessive internal pressure to ensure safe use, exhaust holes are usually provided on such cooking appliances to exhaust the high-temperature steam to the outside, where "exhaust to the outside" means discharging the high-temperature steam to the outside world. However, when cooking is completed, the concentration of high-temperature steam inside the cooking appliance is very high. Users usually wait for the concentration of high-temperature steam inside the cooking appliance to decrease significantly before opening the door to take out the food, so as to prevent being scalded by a large amount of high-temperature steam hitting the face when opening the door. However, the exhaust holes are usually not opened very large, which causes users to wait for a long time for the concentration of high-temperature steam inside the cooking appliance to decrease significantly. Content of the Utility Model

[0003] Based on this, in view of the above problems, it is necessary to provide a cooking appliance that can shorten the time for users to wait for the concentration of high-temperature steam inside the cooking appliance to decrease significantly.

[0004] To solve the above problems, the present application provides the following technical solutions:

[0005] A cooking appliance, comprising: an inner container having a cooking cavity with an opening through which food can enter and exit; an exhaust hole provided on the inner container, the exhaust hole communicating the cooking cavity with the outside;

[0006] A door body movably connected to the inner container to open and close the opening;

[0007] A heating plate provided in the inner container for supplying high-temperature steam to the cooking cavity;

[0008] A steam storage chamber provided in the inner container, the steam storage chamber having a steam storage cavity with a first steam outlet;

[0009] A nozzle connected to the steam storage chamber, the nozzle having a spray hole, the spray hole communicating with the first steam outlet and being arranged downward;

[0010] A first blocking member movably connected to the wall of the first steam outlet. When the first blocking member moves to a closed position, the first blocking member blocks the first steam outlet to prevent the high-temperature steam from flowing into the spray hole through the first steam outlet; and

[0011] The steam compression device includes a transition chamber and a steam compression pump. The transition chamber has an inlet and a first outlet that communicate with each other. The inlet is in communication with the steam compression pump, and the first outlet is in communication with the steam storage chamber. The steam compression pump is capable of extracting the high-temperature steam in the cooking chamber, compressing the high-temperature steam, and sending it into the transition chamber through the inlet.

[0012] The cooking device has at least the following beneficial effects: Before starting to cook food, the first sealing member can be in the closed position, and then the heating plate is turned on to start cooking food. During the cooking process, the steam compression pump is in the off state, and the high-temperature steam in the cooking chamber is only discharged through the exhaust holes. After cooking is completed, the heating plate is turned off and the steam compression pump is turned on. In this way, the high-temperature steam in the cooking chamber is not only discharged through the exhaust holes but also extracted by the steam compression device, compressed, and sent into the steam storage chamber through the first outlet. On the one hand, this can quickly extract the high-temperature steam in the cooking chamber and shorten the time for the user to wait for the concentration of the high-temperature steam in the cooking device to decrease significantly. On the other hand, the high-temperature steam is compressed and sent into the steam storage chamber. After compression, the pressure of the high-temperature steam increases. In this way, the steam storage chamber stores high-pressure high-temperature steam. After the user takes out the cooked food, the first sealing member is moved away from the closed position, and the high-pressure high-temperature steam in the steam storage chamber can flow into the spray holes through the first steam outlet and be sprayed onto the inner liner through the spray holes to clean the inner liner, realizing the recycling of high-temperature steam.

[0013] In one embodiment, the steam compression pump is a rotary vane pump. The steam compression pump includes a rotor and a plurality of vanes, and each vane is slidably disposed on the rotor.

[0014] With this arrangement, during the operation of the steam compression pump, the vanes are pressed against the inner wall of the pump body under the action of centrifugal force, and the rotor, the inner wall of the pump body, and two adjacent vanes enclose a sealed working chamber. When the rotor rotates, the vanes slide in the pump body, the position of the working chamber changes continuously, and the volume of the working chamber also changes continuously. When the working chamber reaches the inlet of the steam compression pump, the high-temperature steam in the cooking chamber enters the working chamber from the inlet of the steam compression pump. As the rotor continues to rotate, the working chamber moves away from the inlet of the steam compression pump and the volume of the working chamber begins to decrease, and the high-temperature steam is gradually compressed. The compression process causes the pressure of the high-temperature steam to increase. When the working chamber reaches the outlet of the steam compression pump, the high-temperature steam in the working chamber enters the transition chamber through the outlet of the steam compression pump.

[0015] In one embodiment, the steam compression pump further includes a plurality of first elastic members, and the first elastic members are provided in one-to-one correspondence with the vanes. Each first elastic member is clamped between the rotor and the corresponding vane along the sliding direction of the corresponding vane.

[0016] Set in this way, the sliding vane is tightly attached to the inner wall of the pump body under the combined action of centrifugal force and the elastic force of the first elastic member, which is beneficial to ensure that the sliding vane is tightly attached to the inner wall of the pump body.

[0017] In one of the embodiments, the transition chamber further has a second outlet, and the second outlet communicates the inlet with the outside; the cooking device further includes a second blocking member rotatably disposed in the transition chamber; the second blocking member has a first state and a second state. In the first state, the second blocking member isolates the first outlet from the inlet; in the second state, the second blocking member isolates the second outlet from the inlet.

[0018] Set in this way, if the user selects to cook continuously multiple times (that is: after completing one cooking, the user does not intend to clean the inner liner but immediately proceeds to the next cooking), after completing the previous cooking, the heating plate can be turned off, the second blocking member can be made to be in the first state, and the steam compression pump can be turned on. In this way, the high-temperature steam in the cooking cavity is not only discharged through the steam discharge holes, but also extracted by the steam compression device, compressed, and then discharged through the second outlet, which can shorten the time for the user to wait for the high-temperature steam concentration in the cooking device to decrease significantly. Before the next cooking, the steam compression pump is turned off. After completing the last cooking, the heating plate is turned off, the second blocking member is made to be in the second state, and the steam compression pump is turned on. In this way, the high-temperature steam in the cooking cavity is not only discharged through the steam discharge holes, but also extracted by the steam compression device, compressed, and then sent into the steam storage cavity through the first outlet. On the one hand, this can quickly extract the high-temperature steam in the cooking cavity and shorten the time for the user to wait for the high-temperature steam concentration in the cooking device to decrease significantly; on the other hand, after the high-temperature steam is compressed and sent into the steam storage cavity, the pressure of the high-temperature steam increases after compression. In this way, the steam storage cavity stores high-pressure high-temperature steam. After the user takes out the cooked food, the first blocking member is made to leave the closed position, and the high-pressure high-temperature steam in the steam storage cavity can flow into the spray holes through the first steam outlet and be sprayed onto the inner liner through the spray holes to clean the inner liner, realizing the recycling of high-temperature steam.

[0019] In one embodiment, the cooking device further includes a sliding member and a second elastic member. The sliding member is slidably and fittingly connected to the steam storage chamber. A steam passage is provided on the sliding member. The steam passage has a steam inlet and a second steam outlet. The steam inlet is communicated with the steam storage cavity. During the process of the air pressure in the steam storage cavity gradually increasing, the air pressure in the steam storage cavity pushes the sliding member to slide from a first position to a second position. When the sliding member is in the first position, the sliding member blocks the steam storage cavity to prevent the high-temperature steam from flowing into the nozzle through the steam storage cavity. When the sliding member is in the second position, the second steam outlet is communicated with the nozzle to allow the high-temperature steam to flow into the nozzle through the steam storage cavity and the steam passage. Along the sliding direction of the sliding member, the second elastic member is clamped between the sliding member and the cavity wall of the steam storage cavity.

[0020] With such a setting, the minimum pressure of the high-temperature steam that can enter the nozzle can be adjusted by adjusting the preset pressure of the second elastic member on the sliding member, so as to adjust the minimum pressure of the high-temperature steam ejected from the nozzle.

[0021] In one embodiment, the cooking device further includes a connecting member. The steam storage chamber, the connecting member and the nozzle are sequentially connected. The connecting member has a transition cavity. The spray hole is communicated with the transition cavity. When the sliding member is in the first position, the second steam outlet is outside the transition cavity. When the sliding member is in the second position, at least a part of the second steam outlet is located in the transition cavity. The nozzle and the connecting member form a spherical pair.

[0022] With such a setting, the orientation of the nozzle can be adjusted to make the nozzle face the stain, so as to efficiently clean the stain.

[0023] In one embodiment, the nozzle penetrates through the top wall of the inner container. The cooking device includes a heating tube, and the heating tube is arranged directly below the nozzle.

[0024] With such a setting, the high-temperature steam ejected from the nozzle is heated by the heating tube when passing through the heating tube, which can increase the temperature of the high-temperature steam and help improve the cleaning effect of the inner container.

[0025] In one embodiment, along the spraying direction of the nozzle, the cross-sectional area of the spray hole gradually decreases.

[0026] With such a setting, the high-temperature steam is accelerated during the process of passing through the nozzle, which is beneficial to the high-temperature steam being ejected from the nozzle at a higher spraying speed. The high-speed high-temperature steam helps improve the cleaning effect of the inner container.

[0027] In one embodiment, the steam storage cavity has a plurality of first steam outlets, and a plurality of nozzles are provided. Each of the steam outlets is connected to at least one of the nozzles, and a plurality of first blocking members are provided and are arranged in one-to-one correspondence with the first steam outlets.

[0028] With such an arrangement, by adjusting the positions of the first blocking members in each of the first steam outlets, the nozzles far from the stains can be isolated from the first steam outlets, and the nozzles close to the stains can be connected to the first steam outlets. In this way, the high-temperature steam only sprays out from the nozzles close to the stains, and the spraying speed increases. These two factors are both beneficial to the efficient cleaning of stains.

[0029] In one embodiment, the nozzles are evenly distributed on the top wall of the inner container.

[0030] With such an arrangement, it is beneficial for the high-temperature steam sprayed out by each nozzle to cover the bottom wall of the inner container, realizing the comprehensive cleaning of the inner container. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is a perspective schematic diagram of a cooking device according to an embodiment of the present application;

[0032] Figure 2 is Figure 1 a perspective schematic diagram of a partial structure in the cooking device shown;

[0033] Figure 3 is Figure 2 a perspective schematic diagram of the structure shown from another perspective;

[0034] Figure 4 is Figure 1 a perspective schematic diagram of a partial structure in the cooking device shown;

[0035] Figure 5 is Figure 4 a perspective schematic diagram of a partial structure in the structure shown;

[0036] Figure 6 is Figure 5 a perspective schematic diagram of the structure shown from another perspective;

[0037] Figure 7 is Figure 5 a front view of the structure shown;

[0038] Figure 8 is Figure 7 a cross-sectional view of the structure shown in the A-A direction;

[0039] Figure 9 is Figure 8 an enlarged schematic diagram at B in ;

[0040] Figure 10 isFigure 5 Schematic perspective view of some structures in the shown structure.

[0041] Reference numerals:

[0042] 1. Inner container; 11. Cooking cavity; 111. Open mouth

[0043] 2. Door body

[0044] 3. Heating plate; 31. Water-containing space

[0045] 4. Steam storage chamber; 41. Steam storage cavity; 411. First steam outlet

[0046] 5. Nozzle; 51. Spray hole

[0047] 6. Steam compression device; 61. Transition chamber; 611. Inlet; 612. Second outlet; 613. First outlet; 614. First space; 615. Second space; 62. Steam compression pump; 621. Rotor; 622. Vane; 623. Pump body; 624. Air inlet; 625. Air outlet; 626. Working chamber

[0048] 7. First sealing member

[0049] 8. Second sealing member

[0050] 9. Sliding member; 91. Steam passage; 911. Steam inlet; 912. Second steam outlet

[0051] 10. Second elastic member

[0052] 20. Connecting member

[0053] 30. Transition cavity

[0054] 40. Heating tube

[0055] 50. First driving motor; 501. First seat body; 502. First output shaft Detailed implementation manners

[0056] To make the above objects, features and advantages of the present application more obvious and understandable, the following detailed description of the specific implementation manners of the present application is provided in conjunction with the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0057] In the description of the present application, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the present application.

[0058] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0059] In the present application, unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0060] In the present application, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0061] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.

[0062] Referring to Figures 1 to 10 , the present application first provides a cooking device, which includes an inner container 1, a door body 2 and a heating plate 3. The inner container 1 has a cooking cavity 11, and the cooking cavity 11 has an opening 111 for food to enter and exit. To prevent the internal pressure of the cooking cavity 11 from being too high, an exhaust hole is provided on the inner container 1, and the exhaust hole communicates the cooking cavity 11 with the outside. The door body 2 is movably connected to the inner container 1 to open and close the opening 111. The heating plate 3 is disposed in the inner container 1, and a water-containing space 31 is formed by the middle part of the heating plate 3 being recessed downward, and the water-containing space 31 communicates with the cooking cavity 11. Water is added to the heating plate 3, and when the heating plate 3 works, the water is heated and vaporized into high-temperature steam to supply high-temperature steam to the cooking cavity 11.

[0063] The cooking device further includes a steam storage chamber 4, a nozzle 5, a first blocking member 7 and a steam compression device 6. The steam storage chamber 4 is disposed in the inner container 1, and a steam storage cavity 41 is provided in the steam storage chamber 4, and the steam storage cavity 41 has a first steam outlet 411. The nozzle 5 is connected to the steam storage chamber 4, the nozzle 5 has a spray hole 51, and the spray hole 51 communicates with the first steam outlet 411 and is arranged downward. The first blocking member 7 is movably connected to the wall of the first steam outlet 411. When the first blocking member 7 moves to the closed position, the first blocking member 7 blocks the first steam outlet 411 to prevent high-temperature steam from flowing into the spray hole 51 through the first steam outlet 411. The steam compression device 6 includes a transition chamber 61 and a steam compression pump 62. The transition chamber 61 has a mutually communicating inlet 611 and a first outlet 613. The inlet 611 is communicated with the steam compression pump 62, and the first outlet 613 is communicated with the steam storage cavity 41. The steam compression pump 62 can extract high-temperature steam in the cooking cavity 11 and compress the high-temperature steam and send it into the transition chamber 61 through the inlet 611.

[0064] Before starting to cook food, the first sealing member 7 can be placed in the closed position, and then the heating plate 3 is turned on to start cooking food. During the cooking process, the steam compression pump 62 is in the closed state, and the high-temperature steam in the cooking cavity 11 is only discharged through the steam discharge holes. After cooking is completed, the heating plate 3 is turned off and the steam compression pump 62 is turned on. In this way, the high-temperature steam in the cooking cavity 11 is not only discharged through the steam discharge holes, but also extracted by the steam compression device 6, compressed, and then sent into the steam storage cavity 41 through the first outlet 613. On the one hand, this can quickly extract the high-temperature steam in the cooking cavity 11, shortening the time for the user to wait for the concentration of the high-temperature steam in the cooking device to decrease significantly; on the other hand, the high-temperature steam is sent into the steam storage cavity 41 after compression, and the pressure of the high-temperature steam increases after compression. In this way, the steam storage cavity 41 stores high-pressure high-temperature steam. After the user takes out the cooked food, the first sealing member 7 is moved away from the closed position, and the high-pressure high-temperature steam in the steam storage cavity 41 can flow into the spray holes 51 through the first steam outlet 411 and be sprayed onto the inner liner 1 through the spray holes 51 to clean the inner liner 1, realizing the recycling of high-temperature steam.

[0065] Exemplarily, the door body 2 is rotatably / slidably connected to the inner liner 1.

[0066] In some embodiments, the cooking device further includes a water supply device. The water supply device includes a water tank, a water pump, and a water pipe. The water tank and the water pump are fixedly arranged outside the inner liner 1, and the water pipe passes through the inner liner 1 and communicates with the cooking cavity 11. When water needs to be added to the heating plate 3, the water pump is turned on, and the water in the water tank flows into the cooking cavity 11 through the water pipe under the action of the water pump and finally flows into the heating plate 3.

[0067] In some embodiments, the heating plate 3 has a relatively large volume, and the user can add a sufficient amount of water to the heating plate 3 before cooking to meet the cooking requirements. In these embodiments, the cooking device may not be provided with a water supply device.

[0068] Refer to Figures 1 to 3 , in some embodiments, the steam storage chamber 4 is arranged outside the inner liner 1. In other embodiments, the steam storage chamber 4 can also be fixedly arranged inside the inner liner 1.

[0069] Refer to Figures 4 to 6, the vapor compression pump 62 is a rotary vane pump. The vapor compression pump 62 includes a rotor 621 and a plurality of vanes 622. Each vane 622 is slidably disposed on the rotor 621. Specifically, the vapor compression pump 62 has an air inlet 624 and an air outlet 625. The air inlet 624 is communicated with the cooking cavity 11, and the air outlet 625 is communicated with the inlet 611. During the operation of the vapor compression pump 62, the vane 622 is closely attached to the inner wall of the pump body 623 under the action of centrifugal force. The rotor 621, the inner wall of the pump body 623 and two adjacent vanes 622 enclose a sealed working cavity 626. The rotor 621 is eccentrically installed relative to the pump body 623. The air inlet 624 is relatively far from the rotor 621, and the air outlet 625 is relatively close to the rotor 621. When the rotor 621 rotates, the vane 622 slides in the pump body 623, and the position of the working cavity 626 constantly changes, and the volume of the working cavity 626 also constantly changes. When the working cavity 626 reaches the air inlet 624, the high-temperature steam in the cooking cavity 11 enters the working cavity 626 from the air inlet 624. As the rotor 621 continues to rotate, the working cavity 626 leaves the inlet 611 and the volume of the working cavity 626 begins to shrink, and the high-temperature steam is gradually compressed. The compression process causes the pressure of the high-temperature steam to increase. When the working cavity 626 reaches the air outlet 625, the high-temperature steam in the working cavity 626 enters the transition chamber 61 through the air outlet 625 and the inlet 611. In some other embodiments, the air outlet 625 and the inlet 611 may be of the same structure.

[0070] In some embodiments, the vapor compression pump 62 further includes a first elastic member. There are a plurality of first elastic members, and the first elastic members are arranged in one-to-one correspondence with the vanes 622. Each first elastic member is clamped between the rotor 621 and the corresponding vane 622 along the sliding direction of the corresponding vane 622. In this way, the vane 622 is closely attached to the inner wall of the pump body 623 under the combined action of centrifugal force and the elastic force of the first elastic member, which is beneficial to ensuring that the vane 622 is closely attached to the inner wall of the pump body 623.

[0071] Exemplarily, the first elastic member is a helical spring or a rubber member.

[0072] In other embodiments, the vapor compression pump 62 may also be a piston pump.

[0073] Refer to Figure 5 and Figure 6, the transition chamber 61 further has a second outlet 612, and the second outlet 612 connects the inlet 611 to the outside; the cooking device further includes a second plugging member 8, and the second plugging member 8 is rotatably arranged in the transition chamber 61. The second plugging member 8 has a first state and a second state. In the first state, the second plugging member 8 isolates the first outlet 613 from the inlet 611, and the second outlet 612 is connected to the inlet 611. In the second state, the second plugging member 8 isolates the second outlet 612 from the inlet 611, and the first outlet 613 is connected to the inlet 611. If the user chooses to cook continuously for multiple times (that is: after completing one cooking, the user does not intend to clean the inner pot but immediately proceeds to the next cooking), after completing the previous cooking, turn off the heating plate 3, make the second plugging member 8 in the first state and turn on the steam compression pump 62. In this way, the high-temperature steam in the cooking cavity 11 not only is discharged through the steam discharge holes, but also is extracted by the steam compression device 6 and discharged through the second outlet 612 after being compressed, which can shorten the time for the user to wait for the concentration of the high-temperature steam in the cooking device to significantly decrease. Before the next cooking, turn off the steam compression pump 62. After completing the last cooking, turn off the heating plate 3, make the second plugging member 8 in the second state and turn on the steam compression pump 62. In this way, the high-temperature steam in the cooking cavity 11 not only is discharged through the steam discharge holes, but also is extracted by the steam compression device 6 and sent into the steam storage cavity 41 through the first outlet 613 after being compressed. On the one hand, this can quickly extract the high-temperature steam in the cooking cavity 11 and shorten the time for the user to wait for the concentration of the high-temperature steam in the cooking device to significantly decrease; on the other hand, the high-temperature steam is sent into the steam storage cavity 41 after being compressed, and the pressure of the high-temperature steam increases after compression. In this way, the steam storage cavity 41 stores high-pressure high-temperature steam. After the user takes out the cooked food, make the first plugging member 7 leave the closed position, and the high-pressure high-temperature steam in the steam storage cavity 41 can flow into the spray holes 51 through the first steam outlet 411 and be sprayed onto the inner pot 1 through the spray holes 51 to clean the inner pot 1, realizing the recycling of the high-temperature steam.

[0074] Refer to Figure 9 , the outer periphery of the first plugging member 7 is conformally adapted to the inner wall of the first steam outlet 411, and the first plugging member 7 is rotatably connected to the wall of the first steam outlet 411. The cooking device further includes a first driving motor 50 for driving the first plugging member 7. The first driving motor 50 includes a first seat body 501 and a first output shaft 502. The first output shaft 502 outputs a rotational motion. The first seat body 501 is fixed outside the steam storage chamber 4. The first output shaft 502 passes through the wall of the first steam outlet 411, and the first plugging member 7 is fixed to the first output shaft 502. In Figure 9In [the situation], the first plugging member 7 is in the closed position. In other embodiments, the area of the first plugging member 7 is greater than or equal to that of the first steam outlet 411, and the first plugging member 7 is slidably connected to the wall of the first steam outlet 411. In these embodiments, the cooking device further includes a driving device for driving the sliding of the first plugging member 7, and the driving device can be a linear motor or an electric push rod.

[0075] Referring to Figure 5 , the inner wall surface of the transition chamber 61 is a cylindrical surface, the rotation axis of the second plugging member 8 coincides with the inner wall of the transition chamber 61, and the second plugging member 8 divides the space in the transition chamber 61 into a first space 614 and a second space 615 that are isolated from each other. As the second plugging member 8 rotates, the positions of the first space 614 and the second space 615 change continuously. In the first state, the first outlet 613 communicates with the first space 614, and both the second outlet 612 and the inlet 611 communicate with the second space 615; in the second state, the second outlet 612 communicates with the first space 614, and both the first outlet 613 and the inlet 611 communicate with the second space 615.

[0076] In some embodiments, the rotation of the second plugging member 8 depends on manual operation by the user. In other embodiments, the cooking device further includes a second driving motor, which includes a second seat body and a second output shaft. The second output shaft outputs a rotational motion. The second seat body is fixedly arranged outside the transition chamber 61, the second output shaft penetrates through the transition chamber 61, and the second plugging member 8 is fixedly arranged on the second output shaft, and the second plugging member 8 can be driven to rotate by the second driving motor.

[0077] Referring to Figure 9 , the cooking device further includes a sliding member 9 and a second elastic member 10. The sliding member 9 is slidably and fittingly connected to the steam storage chamber 4. The sliding member 9 is provided with a steam passage 91, and the steam passage 91 has a steam inlet 911 and a second steam outlet 912. The steam inlet 911 communicates with the steam storage cavity 41; during the process of the pressure in the steam storage cavity 41 gradually increasing, the pressure in the steam storage cavity 41 pushes the sliding member 9 to slide from the first position to the second position. When the sliding member 9 is in the first position, the sliding member 9 plugs the steam storage cavity 41 to prevent high-temperature steam from flowing into the nozzle 5 through the steam storage cavity 41; when the sliding member 9 is in the second position, the second steam outlet 912 communicates with the nozzle 5 to allow high-temperature steam to flow into the nozzle 5 through the steam storage cavity 41 and the steam passage 91; along the sliding direction of the sliding member 9, the second elastic member 10 is clamped between the sliding member 9 and the cavity wall of the steam storage cavity 41. In this way, the minimum pressure of the high-temperature steam that can enter the nozzle 5 can be adjusted by adjusting the preset pressure of the second elastic member 10 on the sliding member 9, so as to adjust the minimum pressure of the high-temperature steam ejected from the nozzle 5.

[0078] Referring to Figure 9, the cooking device further includes a connecting member 20. The steam storage chamber 4, the connecting member 20, and the nozzle 5 are connected in sequence. The connecting member 20 has a transition chamber 30, and the spray hole 51 communicates with the transition chamber 30. When the slider 9 is in the first position, the second steam outlet 912 is outside the transition chamber 30. When the slider 9 is in the second position, the second steam outlet 912 is at least partially located inside the transition chamber 30. The nozzle 5 and the connecting member 20 form a spherical pair. In this way, the orientation of the nozzle 5 can be adjusted so that the nozzle 5 faces the stain, thereby efficiently cleaning the stain. Exemplarily, after a certain cooking is completed, stains (such as grease, seasonings, food residues) are concentrated and adhered to the central area of the bottom wall of the inner pot 1. In order to efficiently clean the stains, all the nozzles 5 can be adjusted to face the central area of the bottom wall of the inner pot 1.

[0079] In some embodiments, the connecting member 20 is integrally formed with the inner pot 1. In other embodiments, the connecting member 20 is welded to the inner pot 1.

[0080] Refer to Figure 3 and Figure 9 , the nozzle 5 passes through the top wall of the inner pot 1, and the cooking device includes a heating tube 40, and the heating tube 40 is arranged directly below the nozzle 5. In this way, the high-temperature steam ejected from the nozzle 5 is heated by the heating tube 40 when passing through the heating tube 40, which can increase the temperature of the high-temperature steam and help improve the cleaning effect of the inner pot 1.

[0081] Refer to Figure 9 , along the spraying direction of the nozzle 5, the cross-sectional area of the spray hole 51 gradually decreases. In this way, the high-temperature steam is accelerated during the process of passing through the nozzle 5, which is beneficial for the high-temperature steam to be ejected from the nozzle 5 at a higher spraying speed, and the high-speed high-temperature steam helps improve the cleaning effect of the inner pot 1.

[0082] Refer to Figure 8 , the steam storage chamber 41 has a plurality of first steam outlets 411, and a plurality of nozzles 5 are provided. Each steam outlet is connected to at least one nozzle 5, and a plurality of first blocking members 7 are provided and are arranged in one-to-one correspondence with the first steam outlets 411. In this way, by adjusting the positions of the first blocking members 7 in each of the first steam outlets 411, the nozzles 5 far from the stain can be isolated from the first steam outlets 411, and the nozzles 5 close to the stain can be connected to the first steam outlets 411. In this way, the high-temperature steam only sprays out from the nozzles 5 close to the stain, and the spraying speed increases. These two factors are both beneficial for efficiently cleaning the stain. Exemplarily, after a certain cooking is completed, stains (such as grease, seasonings, food residues) are concentrated and adhered to the central area of the bottom wall of the inner pot 1. In order to efficiently clean the stains, the first blocking member 7 in the first steam outlet 411 connected to the nozzle 5 directly above the stain is moved away from the closed position, and the other first blocking members 7 are in the closed position.

[0083] Preferably, refer to Figure 3, the nozzles 5 are evenly distributed on the top wall of the inner container 1. In this way, it is beneficial for the high-temperature steam ejected by each nozzle 5 to cover the bottom wall of the inner container 1, realizing the comprehensive cleaning of the inner container 1.

[0084] In other embodiments, only one nozzle 5 may be provided. In these embodiments, the nozzle 5 has a plurality of spray holes 51, and the high-temperature steam ejected from each spray hole 51 of the nozzle 5 can cover the bottom wall of the inner container 1.

[0085] In some embodiments, the nozzle 5 may also be fixedly arranged on the connecting member 20 or rotatably connected to the connecting member 20; in some embodiments, the connecting member 20 may not be provided, and the nozzle 5 is directly fixedly arranged on the steam storage chamber 4 or rotatably arranged on the steam storage chamber 4.

[0086] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0087] The above-described embodiments only represent several implementation manners of the present application, and their descriptions are relatively specific and detailed, but they should not be construed as a limitation on the protection scope of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A cooking device, characterized in that, Comprising: Inner container (1), having a cooking cavity (11), the cooking cavity (11) having an opening (111) through which food enters and exits; an exhaust hole is provided on the inner container (1), and the exhaust hole communicates the cooking cavity (11) with the outside; Door body (2), movably connected to the inner container (1) to open and close the opening (111); Heating plate (3), provided in the inner container (1) for supplying high-temperature steam to the cooking cavity (11); Steam storage chamber (4), provided in the inner container (1), a steam storage cavity (41) is provided in the steam storage chamber (4), and the steam storage cavity (41) has a first steam outlet (411); Nozzle (5), connected to the steam storage chamber (4), the nozzle (5) having a spray hole (51), the spray hole (51) communicating with the first steam outlet (411) and being arranged downward; First plugging member (7), movably connected to the wall of the first steam outlet (411), when the first plugging member (7) moves to the closed position, the first plugging member (7) plugs the first steam outlet (411) to prevent the high-temperature steam from flowing into the spray hole (51) through the first steam outlet (411); and Steam compression device (6), comprising a transition chamber (61) and a steam compression pump (62), the transition chamber (61) having a mutually communicating inlet (611) and a first outlet (613), the inlet (611) communicating with the steam compression pump (62), and the first outlet (613) communicating with the steam storage cavity (41); the steam compression pump (62) is capable of extracting high-temperature steam in the cooking cavity (11) and compressing the high-temperature steam and sending it into the transition chamber (61) through the inlet (611).

2. The cooking device according to claim 1, characterized in that, The steam compression pump (62) is a rotary vane pump, and the steam compression pump (62) includes a rotor (621) and a plurality of vanes (622), each vane (622) being slidably arranged on the rotor (621).

3. The cooking device according to claim 2, wherein, The steam compression pump (62) further includes a plurality of first elastic members, and the first elastic members are provided in one-to-one correspondence with the vanes (622), and each first elastic member is clamped between the rotor (621) and the corresponding vane (622) along the sliding direction of the corresponding vane (622).

4. The cooking device according to claim 1, characterized in that The transition chamber (61) further has a second outlet (612), and the second outlet (612) communicates the inlet (611) with the outside; the cooking device further includes a second plugging member (8), and the second plugging member (8) is rotatably arranged in the transition chamber (61); the second plugging member (8) has a first state and a second state, in the first state, the second plugging member (8) isolates the first outlet (613) from the inlet (611); in the second state, the second plugging member (8) isolates the second outlet (612) from the inlet (611).

5. The cooking device according to claim 1, characterized in that, The cooking device further includes a sliding member (9) and a second elastic member (10). The sliding member (9) is slidably and fittingly connected to the steam storage chamber (4). A steam passage (91) is provided on the sliding member (9). The steam passage (91) has a steam inlet (911) and a second steam outlet (912). The steam inlet (911) communicates with the steam storage cavity (41). During the process of the air pressure in the steam storage cavity (41) gradually increasing, the air pressure in the steam storage cavity (41) pushes the sliding member (9) to slide from the first position to the second position. When the sliding member (9) is in the first position, the sliding member (9) blocks the steam storage cavity (41) to prevent the high-temperature steam from flowing into the nozzle (5) through the steam storage cavity (41). When the sliding member (9) is in the second position, the second steam outlet (912) communicates with the nozzle (5) to allow the high-temperature steam to flow into the nozzle (5) through the steam storage cavity (41) and the steam passage (91). Along the sliding direction of the sliding member (9), the second elastic member (10) is clamped between the sliding member (9) and the wall of the steam storage cavity (41).

6. The cooking device according to claim 5, characterized in that, The cooking device further includes a connecting member (20). The steam storage chamber (4), the connecting member (20) and the nozzle (5) are connected in sequence. The connecting member (20) has a transition cavity (30). The spray holes (51) communicate with the transition cavity (30). When the sliding member (9) is in the first position, the second steam outlet (912) is outside the transition cavity (30). When the sliding member (9) is in the second position, the second steam outlet (912) is at least partially inside the transition cavity (30). The nozzle (5) and the connecting member (20) form a spherical pair.

7. The cooking device according to claim 1, characterized in that, The nozzle (5) penetrates through the top wall of the inner container (1). The cooking device includes a heating pipe (40). The heating pipe (40) is provided directly below the nozzle (5).

8. The cooking device according to claim 1, characterized in that, Along the spraying direction of the nozzle (5), the cross-sectional area of the spray holes (51) gradually decreases.

9. The cooking device according to claim 1, characterized in that, The steam storage cavity (41) has a plurality of first steam outlets (411). A plurality of nozzles (5) are provided. Each steam outlet communicates with at least one of the nozzles (5). A plurality of first blocking members (7) are provided and are arranged in one-to-one correspondence with the first steam outlets (411).

10. The cooking device according to claim 1, characterized in that, The nozzles (5) are evenly distributed on the top wall of the inner container (1).

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