Water tank device and steam cooking utensil

Abstract

The utility model provides a water tank device and a steam cooking utensil, and the water tank device comprises a water tank assembly which comprises a water outlet channel; the mounting shell comprises a water storage tank and a water outlet which are communicated with each other, and the water storage tank corresponds to the water outlet channel and is used for receiving water from the water outlet channel; and the water receiving box is communicated with the water outlet, and water in the water storage tank can be discharged into the water receiving box through the water outlet. According to the structure, the water storage tank is additionally arranged at the position of the water outlet channel, and the problems that water flow output by the water tank assembly is unstable, water flow splashing is easily caused, and the water flow easily overflows out of the water tank assembly can be well solved.

Description

Technical Field

[0001] This application relates to the field of household appliance technology, and more specifically, to a water tank device and a steam cooking appliance. Background Technology

[0002] In related solutions, steam cooking appliances with steam functions, such as ovens, supply water to the cooking cavity through a water tank so that the water can be heated into steam within the cooking cavity. With this solution, when the water tank discharges water by gravity, water can easily overflow if the pressure inside the cooking cavity is high or if the water outlet pipe is blocked.

[0003] Therefore, designing a water tank that is not prone to overflow has become an urgent problem to be solved. Utility Model Content

[0004] The present invention aims to at least solve the problem of water tank overflow in steam cooking appliances in the prior art or related technologies.

[0005] The first objective of this invention is to provide a water tank device.

[0006] Therefore, the first objective of this invention is to provide a steam cooking appliance.

[0007] To achieve the above objectives, an embodiment of the first aspect of this utility model provides a water tank device for a steam cooking appliance. The water tank device includes: a water tank assembly including a water outlet channel; a mounting shell including a water storage tank and a drain outlet that are interconnected, the water storage tank being disposed corresponding to the water outlet channel for receiving water from the water outlet channel; and a water receiving box connected to the drain outlet, wherein water in the water storage tank can be discharged from the drain outlet into the water receiving box.

[0008] The water tank device provided by this utility model can be specifically used in steam cooking appliances such as steam ovens. This water tank device supplies water to a water receiving box, where the water is heated into steam to humidify the food in the cooking cavity. The water tank device specifically includes a water tank assembly, a mounting shell, and a water receiving box. The mounting shell is equipped with a water storage tank. After the water tank assembly is installed, the water outlet channel of the water tank assembly corresponds to the water storage tank. Water discharged from the water outlet channel first enters the water storage tank and then, under gravity, is discharged from the water storage tank into the water receiving box. This design, with a water storage tank for the water tank assembly, creates a large buffer area at the water outlet. When the water flow in the water tank assembly is large or rapid, the water can be stored in the storage chamber to buffer the impact of the falling water, allowing the water to enter the cooking cavity at a more stable flow rate. This avoids water splashing when the water flows into the water receiving box due to a large flow. In addition, the water tank buffers the water flow, preventing water from overflowing into other parts of the product or even overflowing from the front of the water tank assembly when the water path is blocked.

[0009] For example, when adding water directly to the water tank assembly without removing it, the water flow rate is very high. This water flow has a strong impact force, which can easily cause instability in the water flow output from the water tank assembly, leading to splashing. Furthermore, it can also cause water to overflow due to insufficient drainage. This application effectively solves the problems of unstable water flow leading to splashing and overflow by adding an additional water storage tank at the water outlet channel.

[0010] In any of the above technical solutions, optionally, the inner bottom wall of the water storage tank gradually decreases from a position away from the drain outlet to a position close to the drain outlet.

[0011] In this embodiment, after water is added to the water tank assembly, the water in the water tank assembly can enter the water storage tank through the water outlet channel. The inner bottom wall of the water storage tank gradually decreases from other positions to the drain outlet. This allows water to accumulate at the outlet of the water storage tank when there is little water in it, making it easier to drain the water completely and preventing water residue in the water storage tank, thereby reducing the amount of residual water in the water storage tank.

[0012] In any of the above technical solutions, optionally, along the height direction of the steam cooking appliance, the location of the water outlet channel is above the location of the water storage tank, and the location of the water storage tank is above the location of the water receiving box.

[0013] In this embodiment, the water outlet, drain outlet, and water receiving box are positioned at progressively lower heights. This allows water to flow sequentially from the water outlet into the water storage tank under gravity, and then from the drain outlet into the water receiving box. Thus, the water in the water tank assembly flows into the water receiving box purely by gravity. With this structure, water in the water tank assembly flows into the water receiving box under gravity. In other words, there is no power source between the water tank assembly and the water receiving box; the water in the water tank assembly flows into the water receiving box purely by gravity. This allows for water filling solely through a mechanical structure, eliminating the need for a water pump or any electronic control components. This reduces the water tank device's dependence on water pumps and electronic controls, thereby simplifying the product structure and reducing costs.

[0014] Optionally, in any of the above technical solutions, the mounting housing includes a mounting cavity, one end of which is provided with a first mounting port, and the water tank assembly can be installed into the mounting cavity through the first mounting port and detachably fixed in the mounting cavity.

[0015] In these embodiments, the mounting housing supports the water tank assembly. During installation, the mounting housing can be fixed to the body of the steam cooking appliance, and then the water tank assembly is detachably installed inside the mounting housing. This allows the water tank assembly to be removed individually, facilitating its removal from the product for cleaning and refilling. Furthermore, because of the mounting housing, the water tank assembly does not need to be connected to a water collection box, eliminating the need for any connecting pipes during installation and removal. This makes the assembly and disassembly of the water tank assembly very convenient, further facilitating its removal for cleaning or refilling.

[0016] In any of the above technical solutions, optionally, the mounting cavity includes a first inner wall surface and a second inner wall surface, the first inner wall surface being adapted to the shape of the water tank assembly, and the second inner wall surface being recessed in the direction of the outer side of the mounting cavity to form a water storage tank.

[0017] In these embodiments, the water tank assembly is installed inside the mounting housing, and the shape and size of a portion of the inner wall of the mounting cavity are consistent with the outer housing of the water tank assembly. This allows the water tank assembly to be installed precisely inside the mounting housing, ensuring the compatibility between the water tank assembly and the mounting housing. This enables better positioning and installation of the water tank assembly through the mounting housing.

[0018] Simultaneously, the lower inner wall of the rear part of the mounting cavity can be recessed downwards to form the required water storage tank, thereby facilitating the buffering of water output from the water tank assembly. In this structure, the installation area of ​​the water tank assembly and the water storage tank are located together, allowing direct communication between the outlet of the water tank assembly and the water storage tank. This ensures precise alignment between the water tank assembly and the water storage tank, resulting in smoother water flow and preventing misalignment between the water tank assembly and the water storage tank due to improper installation.

[0019] In any of the above technical solutions, optionally, the mounting housing includes a bottom shell and a top cover, the bottom shell and the top cover forming a mounting cavity, and a portion of the bottom shell is bent away from the top cover to form a water storage tank.

[0020] In these embodiments, the mounting housing is formed by a bottom shell and a top cover. A portion of the bottom shell is bent to form a water reservoir; that is, a portion of the bottom shell is sunken to create the water reservoir. This method of forming the water reservoir is relatively simple, making the mounting housing easier to manufacture and thus reducing its manufacturing cost.

[0021] Of course, in other solutions, ribs can be formed inside the mounting shell to form a water storage tank, or the mounting shell can be made thicker overall, and then a water storage tank can be formed by removing part of the wall thickness.

[0022] Optionally, when the water tank assembly is installed in the installation cavity, the outlet of the water outlet channel is located above the water storage tank along the height direction of the steam cooking appliance, so that the water in the water tank assembly can flow into the water storage tank under the action of gravity.

[0023] In these embodiments, the outlet of the water tank assembly is located directly above the water storage tank, so that there is no obstruction at the outlet of the water tank assembly. This ensures that the water in the water tank assembly can enter the water storage tank as quickly as possible under the action of gravity.

[0024] In any of the above embodiments, optionally, the water tank assembly is detachably mounted on the mounting housing. The water tank assembly further includes: a valve assembly mounted at the water outlet channel, movable between a first position and a second position to open or close the water outlet channel; the mounting housing includes a push rod for inserting into the water outlet channel when the water tank assembly is mounted in the mounting cavity, and pushing the valve assembly from the first position to the second position to open the water outlet channel.

[0025] In this embodiment, after the water tank assembly is correctly installed on the mounting housing, the valve assembly can be pushed up by the push rod, thereby opening the water outlet channel. After the water tank assembly is removed, the valve assembly can automatically return to the second position to close the water outlet channel. This makes opening and closing the water tank assembly very convenient. This structure allows the water tank assembly to be opened and closed purely mechanically, without the need for electrical control, thus making the opening and closing structure of the water tank assembly more durable.

[0026] Optionally, in any of the above technical solutions, the water tank device further includes: a first limiting member installed on the mounting housing; a second limiting member disposed on the water tank assembly; when the water tank assembly is located in the mounting cavity, the first limiting member and the second limiting member mutually limit each other to lock the water tank assembly; when the water tank assembly is located in the mounting cavity, pressing the water tank assembly into the mounting cavity can release the limiting between the first limiting member and the second limiting member to unlock the water tank assembly; and an elastic member installed in the water outlet channel, used to push a portion of the water tank assembly out of the mounting housing when the water tank assembly is in the unlocked state, and to move the valve assembly from the second position to the first position to close the water outlet channel.

[0027] In these embodiments, the water tank assembly and the mounting housing can be locked and unlocked by a first limiting member and a second limiting member. After the water tank assembly is unlocked, it can be removed from the mounting housing for adding water, cleaning, or repairing / repairing. The water tank assembly includes a water outlet channel through which water can be discharged. A valve assembly is installed within the water outlet channel, and a push rod is provided on the mounting housing. The water outlet channel can be opened and closed by the valve assembly, the push rod, and the elastic element. Specifically, when the water tank assembly is installed on the cooking appliance and steam generation is required, the water tank assembly can be locked by the first and second limiting members. At this time, the push rod can be inserted into the water outlet channel, thereby pushing the valve assembly along the water outlet channel from a first position to a second position, thus opening the water outlet channel.

[0028] When the water tank assembly needs to be removed from the cooking appliance for water addition, press the water tank assembly first to unlock it. Once unlocked, the force exerted on the valve assembly by the push rod disappears, and the valve assembly returns to its first position under the action of the elastic element. This closes the water outlet channel of the water tank assembly, preventing water from flowing out. Simultaneously, the water tank assembly is pushed out by the elastic element.

[0029] In this structure, the elastic element can push the water tank assembly out and also close the water outlet channel of the valve assembly. In other words, in this structure, the elastic element used for the telescopic installation of the water tank assembly and the elastic element required for the valve assembly are the same part. That is, the push-out structure of the water tank assembly and the opening and closing structure of the water outlet of the water tank assembly share a single elastic element, thereby simplifying the product structure.

[0030] Of course, in other solutions, the elastic components for the telescopic installation of the water tank assembly and the elastic components required for the valve assembly can also be two separate parts.

[0031] In any of the above technical solutions, optionally, when the water tank assembly is in the locked state, the elastic element is in the compressed state. After the water tank assembly is unlocked, the elastic element can extend to push a part of the water tank assembly out of the mounting housing and move the valve assembly from the second position to the first position to close the water outlet channel.

[0032] In these embodiments, when the water tank assembly is in the locked state, the elastic element is in a compressed state. When the water tank assembly is in the unlocked state, the elastic element can extend to push the water tank assembly out of the mounting housing. Simultaneously, after the water tank assembly extends out of the mounting housing, the push rod separates from the water outlet channel, and the valve assembly returns to the second position under the action of the elastic element, thereby closing the water outlet channel.

[0033] Of course, in other solutions, the elastic element can also be set to an extended state when the water tank assembly is in the locked state.

[0034] A second aspect of this utility model provides a steam cooking appliance, including the water tank device provided in any one embodiment of the first aspect.

[0035] Since this type of steam cooking appliance has the water tank device provided in any embodiment of the first aspect, it has all the beneficial effects of the water tank device provided in any embodiment of the first aspect, which will not be repeated here.

[0036] Optionally, in any of the above technical solutions, the steam cooking appliance further includes: a housing, the housing including a cooking cavity and a cooking cavity inlet, the cooking cavity inlet communicating with the cooking cavity, a mounting shell installed on the housing, and a water tank assembly detachably installed on the housing; a door installed on the housing to open or close the cooking cavity inlet; a heating device installed on the housing for heating the food inside the cooking cavity, and a water receiving box including a water receiving trough installed inside the housing, wherein the water in the water receiving trough can be heated into steam by the heating device.

[0037] In this embodiment, the steam cooking appliance includes a housing and a door. A cooking chamber is located inside the housing, and the cooking chamber inlet is connected to the housing. The door is mounted on the housing and is used to open and close the cooking chamber inlet. The water receiving box can specifically be a water trough, which stores water. The water in the trough can be heated into steam by a heating device to humidify and replenish the food in the cooking chamber. With this design, the water trough can be heated directly using the product's existing heating device, eliminating the need for a separate heating structure and simplifying the product's structure. Of course, considering actual heating needs, a separate heating structure can also be provided for the water trough.

[0038] The cabinet and door together form the outer shell of the entire product, creating a cooking cabinet.

[0039] In any of the above technical solutions, optionally, the mounting shell is installed on the cabinet, the cabinet has a second mounting port and a cooking cavity inlet at a first end along the first direction, the door is installed at the first end of the cabinet, and the water tank assembly can be inserted into the cabinet through the second mounting port along the first direction. The water tank assembly includes: a water tank shell, which includes a water-containing cavity and a water inlet communicating with the water-containing cavity, the water inlet being located at one end of the water tank shell along the first direction; a cover, detachably installed on the water tank shell to open or close the water inlet; and a sealing ring, located between the water tank shell and the cover to seal the gap between them.

[0040] In this embodiment, the water tank assembly specifically includes a water tank shell and a cover. The water tank shell is provided with a water inlet, and the cover is detachably mounted on the water inlet of the water tank shell. Meanwhile, to ensure a seal between the water tank shell and the cover, a sealing ring is also provided between them. This sealing ring allows for a sealed connection between the two, thereby preventing water leakage from the water tank assembly.

[0041] In other oven designs, the water tank assembly typically features a water inlet directly on the side wall of the tank's outer shell without a removable cover. This makes it difficult to open the tank and clean its interior. In contrast, this application incorporates a removable cover, allowing for easy cleaning of the tank's interior. This significantly improves cleaning convenience and ensures the tank remains clean. Furthermore, the user can easily inspect the interior by opening the cover, allowing for quicker detection and cleaning of any dirt or debris. This provides users with greater peace of mind when using the water tank assembly.

[0042] The first direction can specifically refer to the front-to-back direction of the tank body. For example, the water tank assembly can be disassembled and installed from the front of the tank body. The cover and outer shell of the water tank assembly are also assembled along the front-to-back direction, which means the water tank assembly is installed horizontally on the tank body, rather than vertically. This structure allows the water tank assembly to be installed horizontally, enabling it to be installed at a relatively high height, thus providing the condition for the water tank assembly to be lowered into the water by gravity.

[0043] Furthermore, the water tank assembly is installed at the top of the inner tank, or at the top of the cooking cavity. This arrangement allows the water tank assembly to be positioned relatively high, making it easier to utilize gravity for water dispensing.

[0044] Furthermore, the end of the mounting housing with the first mounting port is located within the second mounting port. The water tank assembly is axially and pull-mounted into the mounting cavity of the mounting housing through the first mounting port, and the water tank assembly can be detached from the mounting housing.

[0045] Optionally, in any of the above technical solutions, the water tank device further includes: a connector, disposed in the tank body, with the outlet end of the connector corresponding to the water receiving box; a connecting pipe, used to connect the drain outlet and the connector, so that water in the water storage tank can be transported to the water receiving box through the drain outlet, the connecting pipe and the connector; wherein, the outlet end of the connector is located inside the cooking cavity and protrudes from the inner wall of the cooking cavity, and along the height direction of the tank body, the outlet end of the connector is located above the water receiving box.

[0046] In this embodiment, the outlet end of the connector is located inside the cooking cavity and protrudes from the inner wall of the cooking cavity. This guides the water flowing out of the outlet end of the connector away from the inner wall of the cooking cavity and prevents it from flowing along the inner wall. As a result, the water flowing out of the outlet end of the connector can flow into the water collection box. This prevents water from flowing to other parts of the cooking cavity and affecting the cooking of the product when water is supplied to the water collection box. This also ensures that there is no obvious turbulence at the outlet of the connector, thus ensuring the cleanliness of other parts of the cooking cavity and preventing other parts of the cooking cavity from getting wet.

[0047] Furthermore, to ensure that water in the water tank assembly can flow to the connector, a connecting pipe can be installed between the connector and the water tank assembly. This connecting pipe allows for timely delivery of water from the water tank assembly to the receiving box. This structure, with the connecting pipe, allows for more flexible installation of the water tank assembly, thus facilitating the overall layout of the product. Of course, in other solutions, the connecting pipe can be omitted, and the outlet of the water tank assembly can be directly connected to the connector.

[0048] In addition, by connecting the water directly to the water collection box through the connecting pipe, the water can be guided to prevent it from flowing into other places. At the same time, it can also prevent the water from falling directly from a height, thereby reducing water flow noise.

[0049] The connecting pipe can be a separate pipe structure or a channel structure enclosed by the shell structure of the box.

[0050] In any of the above embodiments, optionally, the housing includes a side wall and a top of the bladder that are connected to each other, and a connector is disposed at the connection between the side wall and the top of the bladder.

[0051] In this embodiment, the connector is placed at the connection between the side wall and the top of the inner pot, so that the position of the connector is relatively close to the corner of the box, which can reduce the area occupied by the connector and improve the space utilization rate inside the cooking cavity.

[0052] In any of the above embodiments, optionally, an installation plane is provided at the connection between the side wall and the top of the gallbladder, the installation plane is inclined relative to the height direction of the casing, and the connector is provided on the installation plane.

[0053] In this embodiment, in order to ensure the installation stability of the connector, or to facilitate the processing of the connector, an installation plane can be set at the connection between the side wall and the top of the tank. Then, the required connector can be processed or installed at the installation plane position. This can improve the stability of the connector installation and the stability of the connector when connected to the water tank assembly or connecting pipe.

[0054] In any of the above technical solutions, optionally, the cabinet includes an inner liner that forms a cooking cavity, and the connector includes a water-guiding protrusion disposed on the inner wall of the inner liner and a connecting channel that penetrates the inner liner and the water-guiding protrusion. The inlet end of the connecting channel is connected to the water tank assembly, and the outlet end of the connecting channel is disposed corresponding to the water receiving box. Water from the outlet end of the connecting channel can flow into the water receiving box.

[0055] In this embodiment, the housing includes an inner liner that forms the cooking cavity. To create a flow-guiding structure on the inner wall of the cooking cavity and prevent water from flowing along it, a water-guiding protrusion is provided on the inner side of the inner liner. A connecting channel is then machined into the inner liner, penetrating the inner liner and the water-guiding protrusion. This forms a connector structure. Because the water-guiding protrusion is directly formed on the inner liner, its connection to the inner liner is more reliable, and its position is more stable, thus preventing the water outlet from wobbling.

[0056] In any of the above embodiments, optionally, the connector is a pipe installed on the box body, the pipe body is detachably connected to the box body or integrally connected, the box body includes an inner liner, the inner liner surrounds the cooking cavity, and the outlet end of the pipe is located inside the cooking cavity and protrudes from the inner wall of the inner liner.

[0057] In this embodiment, the connector is an additionally installed pipe, thus eliminating the need to machine a water-guiding protrusion on the inner liner. This simplifies the structure of the inner liner and reduces its manufacturing cost. Simultaneously, to ensure that water discharged from the pipe does not flow along the inner wall of the cooking cavity, the outlet end of the pipe can be positioned on the inner wall of the cooking cavity and extend a certain length relative to it. This allows the water to be accurately guided into the water collection box through the pipe, preventing water from flowing along the cooking cavity to other locations.

[0058] In any of the above embodiments, the pipe fitting may optionally be a metal component.

[0059] In this embodiment, using a metal fitting can improve its high-temperature resistance. Since the fitting is partially inserted into the cooking cavity, where the temperature is high, using a metal fitting allows it to withstand the high temperatures in the cooking cavity for a long time without deformation. This can extend the service life of the fitting and also prevent it from melting and deforming, thus avoiding the release of toxic substances.

[0060] Optionally, the connector can be a straight structure or a curved structure.

[0061] In this embodiment, the shape of the connector can be reasonably set according to the location of the connector and the water receiving box. For example, the connector can be set as a straight line, which can make the water flow more smoothly and minimize the material consumption of the connector. Of course, when the distance between the connector and the water receiving box is far, a bending structure can also be set on the connector to form a curved connector, depending on the actual situation.

[0062] In any of the above embodiments, optionally, the connecting pipe includes a flexible hose, at least a portion of which is mounted on the housing; or the connecting pipe includes a channel structure formed on the housing.

[0063] In this embodiment, the connecting pipe is a flexible hose, making its installation more flexible. Of course, the connecting pipe can also be a channel structure formed by the housing of the box; in this case, there is no need to install additional pipes, thereby reducing the number of parts in the product.

[0064] In any of the above embodiments, the water receiving box may optionally be detachably installed inside the tank.

[0065] In this embodiment, when it is not necessary to add water to the food, the water collection box and water tank assembly can be removed from the body to prevent the water collection box from drying out. Alternatively, the water collection box can be made non-removable; in this case, the water in the water tank assembly can be emptied when it is not necessary to add water to the food.

[0066] In any of the above embodiments, the steam cooking appliance may optionally include: a first bracket installed inside the cooking cavity, and a water collection box installed on the first bracket.

[0067] In this embodiment, a first bracket is installed inside the box, and the first bracket is mounted on the inner wall of the box. For example, the first bracket can be installed on the box by means of screws or clips. The water receiving box is installed on the first bracket, which makes the installation and removal of the water receiving box more convenient.

[0068] In any of the above embodiments, optionally, the steam cooking appliance further includes: two second supports, respectively disposed on two inner side walls of the housing that are disposed opposite to each other in the width direction, for supporting the food carrier; wherein, the first support is installed on the top of one of the second supports.

[0069] In this embodiment, the second bracket can be used to support and install food carriers such as baking pans. The first bracket is installed on top of the second bracket; that is, in this structure, the water collection box and the first bracket are directly installed on the support bracket of the food carrier such as the baking pan. This allows the installation of the water collection box to be achieved using the existing brackets inside the box, thereby simplifying the overall product structure and reducing the overall product cost.

[0070] Furthermore, the second bracket is provided with multiple support parts, which are spaced apart along the height direction of the container. The first and second brackets can install the food carrier at multiple height positions through these support parts. This arrangement allows the installation height of the food carrier to be adjusted, and also enables the two second brackets to support and install multiple food carriers simultaneously.

[0071] In any of the above embodiments, optionally, a flange is provided at the opening of the water receiving box, and the flange extends from the inside to the outside of the opening; the first bracket includes a support strip, and the water receiving box is installed on the support strip through the flange.

[0072] In this embodiment, the flange allows for the positioning and installation of the water receiving box. To ensure the installation of the first bracket with the water receiving box, a support strip is provided on the first bracket. The support strip rests on the bottom of the flange, thus supporting the water receiving box. To ensure the installation stability of the water receiving box, the shape of the support strip can be adapted to the outer wall of the water receiving box, and the length of the support strip can be set with reference to the outer perimeter of the water receiving box.

[0073] For example, when the water receiving box is long and narrow, the support strip can cover three sides of the water receiving box to ensure the stability of the support strip. When the water receiving box is circular or near-circular, the support strip can cover more than a quarter of the circumference of the water receiving box.

[0074] In any of the above embodiments, optionally, the water receiving box has a long strip structure and is arranged along the front-to-back direction of the cabinet. The long strip structure of the water receiving box can reduce the width occupied by the water receiving box, thereby improving the space utilization of the cooking cavity.

[0075] Optionally, the water receiving box has a long, narrow structure, with support bars on three sides. This ensures the stability of the water receiving box during installation.

[0076] In any of the above embodiments, optionally, the water tank assembly is mounted on the tank body. By mounting the water tank assembly on the tank body, the water tank assembly and the tank body can form a single unit, thereby facilitating pipe connection operations between the water tank assembly and the connectors. This also makes the overall unit more compact. Of course, in other solutions, the water tank can also be set up independently of the tank body.

[0077] Furthermore, the water tank assembly is installed on top of the tank body, thereby setting the water tank assembly higher to facilitate gravity-based water release.

[0078] This type of structure allows for the elimination of water tank components when it is not necessary to add water to the food.

[0079] In any of the above embodiments, the steam cooking appliance may optionally include an oven and / or a steamer. Of course, the steam cooking appliance may also be other devices that require a water tank.

[0080] Additional aspects and advantages of this invention will become apparent in the description that follows, or may be learned by practice of this invention. Attached Figure Description

[0081] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0082] Figure 1 This is one of the structural schematic diagrams of the steam cooking appliance in the embodiments of this utility model;

[0083] Figure 2 This is the second structural schematic diagram of the steam cooking appliance in the embodiments of this utility model;

[0084] Figure 3 This is a schematic diagram of the assembly structure of the water tank assembly and the mounting shell in an embodiment of this utility model;

[0085] Figure 4 This is an exploded structural diagram of the water tank device in an embodiment of this utility model;

[0086] Figure 5 This is a schematic diagram of the water receiving box in an embodiment of this utility model;

[0087] Figure 6 This is a schematic diagram of the assembly structure of the water receiving box, the first bracket, and the second bracket in an embodiment of this utility model;

[0088] Figure 7 This is a schematic diagram showing the installation status of the two second brackets and the first bracket in an embodiment of this utility model;

[0089] Figure 8 This is the third structural schematic diagram of the steam cooking appliance in the embodiments of this utility model;

[0090] Figure 9 This is a schematic diagram of the water tank assembly of a steam cooking appliance in an embodiment of this utility model;

[0091] Figure 10 This is a partial structural schematic diagram of the steam cooking appliance in an embodiment of this utility model.

[0092] in, Figures 1 to 10 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0093] 1. Cooking cabinet, 10. Food support, 102. Baking tray, 12. Cabinet body, 122. Cooking cavity inlet, 124. Second mounting port, 126. Inner liner, 1262. Liner side wall, 1264. Liner top, 1266. Mounting surface, 14. Door, 16. Cooking cavity, 2. Heating device, 22. Heating element, 3. Water collection box, 32. Flanged edge, 34. Water trough, 4. Water tank assembly, 40. Water tank outer shell, 402. Second limiting component, 42. Water chamber, 44. Water outlet, 46. Water inlet. 47 Cover, 48 Valve assembly, 49 Sealing ring, 5 First bracket, 52 Support bar, 6 Second bracket, 62 Support part, 7 Connector, 72 Water guide protrusion, 74 Connecting channel, 76 Pipe fitting, 8 Connecting pipe, 82 Hose, 9 Mounting housing, 90 Drain outlet, 92 Mounting cavity, 922 First part inner wall surface, 924 Second part inner wall surface, 94 Water storage tank, 96 Push rod, 982 Bottom shell, 984 Top cover, 99 First limiting element, 11 Elastic element. Detailed Implementation

[0094] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0095] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0096] The following reference Figures 1 to 10 The present application describes the water tank device and steam cooking appliance provided in the embodiments.

[0097] like Figure 3 and Figure 4 As shown, an embodiment of the first aspect of this utility model provides a water tank device for a steam cooking appliance. The water tank device includes a water tank assembly 4, a mounting housing 9, and a water receiving box 3. The water tank assembly 4 includes a water outlet channel 44. The mounting housing 9 includes a water storage tank 94 and a drain outlet 90 that are interconnected. The water storage tank 94 is disposed corresponding to the water outlet channel 44 and is used to receive water from the water outlet channel 44. The water receiving box 3 is connected to the drain outlet 90, and water in the water storage tank 94 can be discharged into the water receiving box 3 through the drain outlet 90.

[0098] The water tank device provided by this utility model can be specifically used in steam cooking appliances such as steam ovens. This water tank device supplies water to the water receiving box 3, and the water in the water receiving box 3 can be heated into steam to humidify the food in the cooking cavity 16. The water tank device specifically includes a water tank assembly 4, a mounting shell 9, and a water receiving box 3. The mounting shell 9 is provided with a water storage tank 94. After the water tank assembly 4 is installed, the water outlet channel 44 of the water tank assembly 4 is aligned with the water storage tank 94. Water discharged from the water outlet channel 44 first enters the water storage tank 94, and then, under the action of gravity, is discharged from the water storage tank 94 into the water receiving box 3. This design incorporates a water storage tank 94 in the water tank assembly 4. This creates a large buffer zone at the water outlet of the water tank assembly 4. When the water flow in the water tank assembly 4 is large or rapid, the water can be stored in the storage chamber to buffer the impact of the falling water. This allows the water to enter the cooking chamber 16 at a more stable flow rate, preventing splashing when the water flows into the water receiving box 3. Furthermore, the water storage tank 94's buffering effect prevents water from overflowing from the water tank assembly 4 and spilling onto other parts of the product, or even overflowing from the front of the water tank assembly 4, if the water flow is obstructed.

[0099] For example, when water is added directly to the water tank assembly 4 without removing it, the water flow rate is very high. This water flow has a strong impact force, which can easily cause instability in the water flow output from the water tank assembly 4, leading to splashing. Furthermore, it can also cause water to overflow due to insufficient drainage. This application effectively solves the problems of unstable water flow, splashing, and overflow caused by adding a water storage tank 94 at the water outlet channel 44.

[0100] In any of the above embodiments, optionally, as Figure 3As shown, the inner bottom wall of the water storage tank 94 gradually decreases from a position far from the drain outlet 90 to a position close to the drain outlet 90.

[0101] In this embodiment, after water is added to the water tank assembly 4, the water in the water tank assembly 4 can enter the water storage tank 94 through the water outlet 44. The inner bottom wall of the water storage tank 94 gradually decreases from other positions to the drain outlet 90. In this way, when there is less water in the water storage tank 94, the water can gather at the water outlet of the water storage tank 94, making it easier to drain the water in the water storage tank 94. This can prevent water from remaining in the water storage tank 94 and reduce the amount of residual water in the water storage tank 94.

[0102] In any of the above embodiments, optionally, as Figure 3 As shown, the mounting housing 9 includes a mounting cavity 92, one end of which is provided with a first mounting port. The water tank assembly 4 can be installed into the mounting cavity 92 through the first mounting port and is detachably fixed in the mounting cavity 92.

[0103] In these embodiments, the mounting housing 9 is used to support the water tank assembly 4. During installation, the mounting housing 9 can be fixed to the housing 12 of the steam cooking appliance, and then the water tank assembly 4 can be detachably installed inside the mounting housing 9. This allows the water tank assembly 4 to be removed individually, making it convenient to remove the water tank assembly 4 from the product for cleaning and adding water. Furthermore, because of the mounting housing 9, the water tank assembly 4 does not need to be connected to the water collection box 3, etc. Therefore, no pipe connections are required during installation and removal of the water tank assembly 4, making it very convenient to assemble and disassemble the water tank assembly 4, thus facilitating its removal for cleaning or adding water.

[0104] In any of the above embodiments, optionally, as Figure 3 As shown, the mounting cavity 92 includes a first inner wall surface 922 and a second inner wall surface 924. The first inner wall surface 922 is adapted to the shape of the water tank assembly 4, and the second inner wall surface 924 is recessed towards the outside of the mounting cavity 92 to form a water storage tank 94.

[0105] In these embodiments, the water tank assembly 4 is installed inside the mounting housing 9, and the shape and size of a portion of the inner wall of the mounting cavity 92 are consistent with the housing of the water tank assembly 4. This allows the water tank assembly 4 to be installed precisely inside the mounting housing 9, ensuring the fit between the water tank assembly 4 and the mounting housing 9. This enables better positioning and installation of the water tank assembly 4 through the mounting housing 9.

[0106] Simultaneously, the lower inner wall of the rear part of the mounting cavity 92 can be recessed downwards to form the required water storage tank 94, thereby facilitating the buffering of water output from the water tank assembly 4. In this structure, the mounting area of ​​the water tank assembly 4 and the water storage tank 94 are set together, allowing the outlet of the water tank assembly 4 and the water storage tank 94 to be directly connected. This ensures the fitting accuracy between the water tank assembly 4 and the water storage tank 94, making the water flow smoother and preventing the water tank assembly 4 from being misaligned due to improper installation.

[0107] In any of the above embodiments, optionally, as Figure 3 and Figure 4 As shown, when the water tank assembly 4 is installed in the mounting cavity 92, the outlet of the water outlet channel 44 is located above the water storage tank 94 along the height direction of the tank body 12, so that the water in the water tank assembly 4 can flow into the water storage tank 94 under the action of gravity.

[0108] In these embodiments, the outlet of the water tank assembly 4 is directly located above the water storage tank 94, so that there is no obstruction at the outlet of the water tank assembly 4. This ensures that the water in the water tank assembly 4 can enter the water storage tank 94 as quickly as possible under the action of gravity.

[0109] In any of the above embodiments, optionally, as Figure 3 and Figure 4 As shown, the mounting housing 9 includes a bottom shell 982 and a top cover 984, which together form a mounting cavity 92. A portion of the structure of the bottom shell 982 is bent away from the top cover 984 to form a water storage tank 94.

[0110] In these embodiments, the mounting housing 9 is formed by a bottom shell 982 and a top cover 984. A portion of the bottom shell 982 is bent to form a water storage tank 94; that is, a portion of the bottom shell 982 is sunken to form the water storage tank 94. This method of forming the water storage tank 94 is relatively simple, making the mounting housing 9 easier to manufacture, thereby reducing the manufacturing cost of the mounting housing 9.

[0111] Of course, in other solutions, ribs can be formed inside the mounting housing 9 to form a water storage tank 94, or the mounting housing 9 can be made thicker overall, and then a portion of the wall thickness can be removed to form the water storage tank 94.

[0112] In any of the above embodiments, optionally, as Figure 4 As shown, along the height direction of the steam cooking appliance, the water outlet channel 44 is located above the location of the water storage tank 94, and the location of the water storage tank 94 is located above the location of the water receiving box 3.

[0113] In this embodiment, the water outlet channel 44, the drain outlet 90, and the water receiving box 3 are positioned at progressively lower heights. This allows water to flow sequentially from the water outlet channel 44 into the water storage tank 94 under gravity, and then from the drain outlet 90 of the water storage tank 94 into the water receiving box 3. Thus, the water in the water tank assembly 4 can flow into the water receiving box 3 purely by gravity. With this structure, the water in the water tank assembly 4 can flow into the water receiving box 3 under gravity. That is, there is no power equipment between the water tank assembly 4 and the water receiving box 3; the water in the water tank assembly 4 flows into the water receiving box 3 purely by gravity. This allows for water filling operations solely through a mechanical structure, eliminating the need for a water pump or any electronic control components. This reduces the water tank device's dependence on water pumps and electronic controls, thereby simplifying the product structure and reducing costs.

[0114] In any of the above embodiments, optionally, as Figure 3 and Figure 9 As shown, the water tank assembly 4 is detachably mounted on the mounting housing 9. Optionally, the water tank assembly 4 further includes: a valve assembly 48, mounted at the water outlet channel 44, movable between a first position and a second position to open or close the water outlet channel 44; the mounting housing 9 includes a push rod 96, which is used to insert into the water outlet channel 44 when the water tank assembly 4 is mounted in the mounting cavity 92, and push the valve assembly 48 from the first position to the second position to open the water outlet channel 44.

[0115] In this embodiment, after the water tank assembly 4 is correctly installed on the mounting housing 9, the valve assembly 48 can be lifted by the push rod 96, thereby opening the water outlet channel 44. After the water tank assembly 4 is removed, the valve assembly 48 can automatically return to the second position to close the water outlet channel 44. This makes opening and closing the water tank assembly 4 very convenient. This structure allows the water tank assembly 4 to be opened and closed purely mechanically, without the need for electrical control, thus making the opening and closing structure of the water tank assembly 4 more durable.

[0116] In any of the above embodiments, optionally, as Figure 4 and Figure 9As shown, the water tank device further includes: a first limiting member 99, installed on the mounting housing 9; a second limiting member 402, disposed on the water tank assembly 4; when the water tank assembly 4 is located in the mounting cavity 92, the first limiting member 99 and the second limiting member 402 mutually limit each other to lock the water tank assembly 4; when the water tank assembly 4 is located in the mounting cavity 92, pressing the water tank assembly 4 into the mounting cavity 92 can release the limitation between the first limiting member 99 and the second limiting member 402 to unlock the water tank assembly 4; an elastic member 11, installed in the water outlet channel 44, is used to push a portion of the water tank assembly 4 out of the mounting housing 9 when the water tank assembly 4 is in the unlocked state, and to move the valve assembly 48 from the second position to the first position to close the water outlet channel 44.

[0117] In these embodiments, the water tank assembly 4 and the mounting housing 9 can be locked and unlocked via a first limiting member 99 and a second limiting member 402. After the water tank assembly 4 is unlocked, it can be removed from the mounting housing 9 for adding water, cleaning, or repair / replacement. The water tank assembly 4 includes a water outlet channel 44 through which water can be discharged. A valve assembly 48 is installed within the water outlet channel 44, and a push rod 96 is provided on the mounting housing 9. The water outlet channel 44 can be opened and closed via the valve assembly 48, the push rod 96, and the elastic member 11. Specifically, when the water tank assembly 4 is installed on the cooking appliance 1 and steam is required, the water tank assembly 4 can be locked using the first limiting member 99 and the second limiting member 402. At this time, the push rod 96 can be inserted into the water outlet channel 44, thereby pushing the valve assembly 48 along the water outlet channel 44 from a first position to a second position, thus opening the water outlet channel 44.

[0118] When it is necessary to remove the water tank assembly 4 from the cooking unit 1 to add water, press the water tank assembly 4 first to unlock it. After the water tank assembly 4 is unlocked, the external force exerted by the push rod 96 on the valve assembly 48 disappears, and the valve assembly 48 returns to the first position under the action of the elastic member 11. This closes the water outlet channel 44 of the water tank assembly 4, preventing water from flowing out of the water outlet channel 44. At the same time, the water tank assembly 4 is pushed out under the action of the elastic member 11.

[0119] In this structure, the elastic element 11 can push out the water tank assembly 4 and also close the water outlet channel 44 of the valve assembly 48. In other words, in this structure, the elastic element 11 used for the telescopic installation of the water tank assembly 4 and the elastic element 11 required for the valve assembly 48 are the same part. That is, the push-out structure of the water tank assembly 4 and the opening and closing structure of the water outlet of the water tank assembly 4 share a single elastic element 11, thereby simplifying the structure of the product.

[0120] Of course, in other solutions, the elastic element 11 for the telescopic installation of the water tank assembly 4 and the elastic element 11 required for the valve assembly 48 can also be two separate parts.

[0121] In any of the above embodiments, optionally, when the water tank assembly 4 is in the locked state, the elastic member 11 is in the compressed state. After the water tank assembly 4 is unlocked, the elastic member 11 can extend to push a part of the water tank assembly 4 out of the mounting housing 9 and move the valve assembly 48 from the second position to the first position to close the water outlet channel 44.

[0122] In these embodiments, when the water tank assembly 4 is in the locked state, the elastic member 11 is in the compressed state. When the water tank assembly 4 is in the unlocked state, the elastic member 11 can extend to push the water tank assembly 4 out of the mounting housing 9. At the same time, after the water tank assembly 4 extends out of the mounting housing 9, the push rod 96 separates from the water outlet channel 44, and the valve assembly 48 returns to the second position under the action of the elastic member 11, thereby closing the water outlet channel 44.

[0123] Of course, in other solutions, when the water tank assembly 4 is in the locked state, the elastic element 11 can also be set to the extended state.

[0124] like Figures 1 to 10 As shown, an embodiment of the second aspect of this utility model provides a steam cooking appliance, including the water tank device provided in any embodiment of the first aspect.

[0125] Since this type of steam cooking appliance has the water tank device provided in any embodiment of the first aspect, it has all the beneficial effects of the water tank device provided in any embodiment of the first aspect, which will not be repeated here.

[0126] In any of the above embodiments, optionally, as Figure 1 , Figure 2 and Figure 8 As shown, the steam cooking appliance also includes: a housing 12, which includes a cooking chamber 16 and a cooking chamber inlet 122, the cooking chamber inlet 122 communicating with the cooking chamber 16; a mounting shell 9 mounted on the housing 12; and a water tank assembly 4 detachably mounted on the housing 12; a door 14 mounted on the housing 12 to open or close the cooking chamber inlet 122; a heating device 2 mounted on the housing 12 for heating the food in the cooking chamber 16; and a water receiving box 3 including a water receiving trough 34 mounted inside the housing 12, the water in the water receiving trough 34 being heated into steam by the heating device 2.

[0127] In this embodiment, the steam cooking appliance includes a housing 12 and a door 14. A cooking chamber 16 is provided inside the housing 12, and the cooking chamber 16 is connected to a cooking chamber inlet 122. The door 14 is installed on the housing 12 and is used to open and close the cooking chamber inlet 122. The water receiving box 3 can specifically be a water receiving trough 34, which stores water. The water in the water receiving trough 34 can be heated into steam by the heating device 2 to humidify and replenish the food in the cooking chamber 16. With this configuration, the water receiving trough 34 can be directly heated using the existing heating device 2 of the product, eliminating the need for a separate heating structure, thus simplifying the product structure. Of course, considering actual heating needs, a separate heating structure can also be provided for the water receiving trough 34.

[0128] The box body 12 and the door body 14 constitute the outer shell structure of the entire product, forming a cooking box 1.

[0129] In any of the above embodiments, optionally, as Figure 1 , Figure 8 and Figure 9 As shown, the mounting housing 9 is mounted on the cabinet 12. The cabinet 12 has a second mounting port 124 and a cooking cavity inlet 122 at its first end along the first direction. The door 14 is mounted at the first end of the cabinet 12. The water tank assembly 4 can be inserted into the cabinet 12 along the first direction through the second mounting port 124. The water tank assembly 4 includes: a water tank housing 40, which includes a water-containing cavity 42 and a water inlet 46 communicating with the water-containing cavity 42. The water inlet 46 is located at one end of the water tank housing 40 along the first direction; a cover 47, which is detachably mounted on the water tank housing 40 to open or close the water inlet 46; and a sealing ring 49, which is located between the water tank housing 40 and the cover 47 to seal the gap between the water tank housing 40 and the cover 47.

[0130] In this embodiment, the water tank assembly 4 specifically includes a water tank shell 40 and a cover 47. The water tank shell 40 is provided with a water inlet 46, and the cover 47 is detachably mounted on the water inlet 46 of the water tank shell 40. Meanwhile, to ensure a seal between the water tank shell 40 and the cover 47, a sealing ring 49 is also provided between them. This sealing ring 49 allows for a sealed connection between the two, thereby preventing water leakage from the water tank assembly 4.

[0131] Furthermore, the end of the mounting housing 9 with the first mounting port is located within the second mounting port 124. The water tank assembly 4 is axially and pull-mounted within the mounting cavity 92 of the mounting housing 9 through the first mounting port, and the water tank assembly 4 can be detached from the mounting housing 9.

[0132] In other oven designs, the water tank assembly typically has a water inlet directly on the side wall of the water tank shell without a removable cover. This makes it difficult to open the water tank and thus inconvenient for cleaning. In this application, a removable cover 47 is provided. This allows for easy cleaning of the water tank assembly 40 by opening the cover 47, improving the convenience of cleaning and ensuring cleanliness. Furthermore, this design allows users to easily inspect the interior of the water tank assembly 40 by opening the cover 47, facilitating timely detection of dirt and grime. This makes it easier for users to clean the water tank assembly 4 promptly and with greater peace of mind.

[0133] Specifically, the first direction can be the front-to-back direction of the tank body 12. For example, the water tank assembly 4 can be disassembled and assembled from the front side of the tank body 12. The cover 47 and the outer shell 40 of the water tank assembly 4 are also assembled along the front-to-back direction, which means that the water tank assembly 4 is installed horizontally on the tank body 12, rather than vertically. This structure allows the water tank assembly 4 to be installed horizontally, thus enabling it to be installed relatively high and facilitating its descent into the water by gravity.

[0134] Furthermore, the water tank assembly 4 is installed on top of the inner liner 126, or on top of the cooking cavity 16. This arrangement allows the water tank assembly 4 to be positioned relatively high, thereby facilitating gravity-fed water flow.

[0135] In any of the above embodiments, optionally, as Figure 4 and Figure 8 As shown, the water tank device also includes: a connector 7, which is disposed on the tank body 12, with the outlet end of the connector 7 corresponding to the water receiving box 3; a connecting pipe 8, which is used to connect the drain outlet 90 and the connector 7 so that the water in the water storage tank 94 can be transported to the water receiving box 3 through the drain outlet 90, the connecting pipe 8 and the connector 7; wherein, the outlet end of the connector 7 is located inside the cooking cavity 16 and protrudes from the inner wall of the cooking cavity 16, and along the height direction of the tank body 12, the outlet end of the connector 7 is located above the water receiving box 3.

[0136] In this embodiment, the outlet end of connector 7 is located inside the cooking cavity 16 and protrudes from the inner wall of the cooking cavity 16. This way, the water flowing out of the outlet end of connector 7 can be guided away from the inner wall of the cooking cavity 16 and will not flow along the inner wall of the cooking cavity 16. As a result, the water flowing out of the outlet end of connector 7 can flow into the water collection box 3. This prevents water from flowing to other parts of the cooking cavity 16 and affecting the cooking of the product when water is supplied to the water collection box 3. This also ensures that there is no obvious turbulence at the outlet of connector 7, thus ensuring the cleanliness of other parts of the cooking cavity 16 and preventing other parts of the cooking cavity 16 from getting wet.

[0137] Furthermore, to ensure that the water in the water tank assembly 4 can flow to the connector 7, it can be done as follows: Figure 1 and Figure 4 As shown, a connecting pipe 8 is installed between the connector 7 and the water tank assembly 4. Water from the water tank assembly 4 can be promptly transported to the water receiving box 3 via the connecting pipe 8. This structure, with the connecting pipe 8, allows for more flexible installation of the water tank assembly 4, thus facilitating the overall layout of the product. Of course, in other solutions, the connecting pipe 8 can be omitted, and the outlet of the water tank assembly 4 can be directly connected to the connector 7.

[0138] In addition, by directly delivering water to the water receiving box 3 through the connecting pipe 8, the water can be guided to prevent it from flowing into other places. At the same time, it can also prevent water from falling directly from a height, thereby reducing water flow noise.

[0139] The connecting pipe 8 can be a separate pipe structure or a channel structure enclosed by the shell structure of the box 12.

[0140] In any of the above embodiments, optionally, as Figure 10 As shown, the housing 12 includes a side wall 1262 and a top 1264 of the bladder that are connected to each other, and the connector 7 is disposed at the connection between the side wall 1262 and the top 1264 of the bladder.

[0141] In this embodiment, the connector 7 is located at the connection between the side wall 1262 and the top 1264 of the inner pot, so that the position of the connector 7 is relatively close to the corner of the box 12. This reduces the area occupied by the connector 7 and improves the space utilization rate inside the cooking cavity 16.

[0142] In any of the above embodiments, optionally, as Figure 10 As shown, a mounting plane 1266 is provided at the connection between the side wall 1262 and the top 1264 of the bladder. The mounting plane 1266 is inclined relative to the height direction of the housing 12, and the connector 7 is provided on the mounting plane 1266.

[0143] In this embodiment, in order to ensure the installation stability of the connector 7, or to facilitate the processing of the connector 7, an installation plane 1266 can be provided at the connection between the side wall 1262 and the top 1264 of the tank. Then, the required connector 7 can be processed or installed at the installation plane 1266. This can improve the stability of the connector 7 and also improve the stability of the connector 7 when connected to the water tank assembly 4 or the connecting pipe 8.

[0144] In any of the above embodiments, optionally, as Figure 10 As shown, the cabinet 12 includes an inner liner 126, which forms a cooking cavity 16. The connector 7 includes a water-guiding protrusion 72 disposed on the inner wall of the inner liner 126 and a connecting channel 74 passing through the inner liner 126 and the water-guiding protrusion 72. The inlet end of the connecting channel 74 is connected to the water tank assembly 4, and the outlet end of the connecting channel 74 is disposed corresponding to the water receiving box 3. Water from the outlet end of the connecting channel 74 can flow into the water receiving box 3.

[0145] In this embodiment, the housing 12 includes an inner liner 126, which forms the cooking cavity 16. To create a flow-guiding structure on the inner wall of the cooking cavity 16 and prevent water from flowing along it, a water-guiding protrusion 72 is provided on the inner side of the inner liner 126. A connecting channel 74 is then machined into the inner liner 126, penetrating the inner liner 126 and the water-guiding protrusion 72. This forms a connector 7 structure. Because the water-guiding protrusion 72 is directly formed on the inner liner 126, its connection to the inner liner 126 is more reliable, and its position is more stable, thus preventing the water outlet from shaking.

[0146] In any of the above embodiments, optionally, as Figure 4 and Figure 8 As shown, connector 7 is a pipe 76 installed on the box 12. The pipe 76 is detachably connected to the box 12 or integrally connected. The box 12 includes an inner liner 126, which forms a cooking cavity 16. The outlet end of the pipe 76 is located inside the cooking cavity 16 and protrudes from the inner wall of the inner liner 126.

[0147] In this embodiment, the connector 7 is an additionally installed pipe 76, thus eliminating the need to machine a water-guiding protrusion 72 on the inner liner 126. This simplifies the structure of the inner liner 126 and reduces its processing cost. Simultaneously, to ensure that the water discharged from the pipe 76 does not flow along the inner wall of the cooking cavity 16, the outlet end of the pipe 76 can be positioned on the inner wall of the cooking cavity 16 and extend a certain length relative to the inner wall. This allows the water to be accurately guided into the water collection box 3 through the pipe 76, preventing water from flowing to other locations along the cooking cavity 16.

[0148] In any of the above embodiments, the fitting 76 may optionally be a metal component.

[0149] In this embodiment, the fitting 76 is made of metal, which can improve the high temperature resistance of the fitting 76. Since the fitting 76 is partially inserted into the cooking cavity 16, and the temperature in the cooking cavity 16 is high, making the fitting 76 of metal allows the fitting 76 to withstand the high temperature in the cooking cavity 16 for a long time without deformation. This can improve the service life of the fitting 76 and also prevent the fitting 76 from melting and deforming and releasing toxic substances.

[0150] Optionally, connector 7 can be a straight structure or a curved structure.

[0151] In this embodiment, the shape of the connector 7 can be reasonably set according to the position of the connector 7 and the position of the water receiving box 3. For example, the connector 7 can be set as a straight line, so that the water flow can be smoother and the material consumption of the connector 7 can be minimized. Of course, when the distance between the connector 7 and the water receiving box 3 is far, a bending structure can also be set on the connector 7 to form a curved connector 7, depending on the actual situation.

[0152] In any of the above embodiments, optionally, the connecting pipe 8 includes a flexible hose 82, at least a portion of which is mounted on the housing 12; or the connecting pipe 8 includes a channel structure formed on the housing 12.

[0153] In this embodiment, the connecting pipe 8 is a flexible hose 82, which makes the installation of the connecting pipe 8 more flexible. Of course, the connecting pipe 8 can also be a channel structure formed by the shell of the housing 12. In this case, there is no need to set up an additional pipe separately, thereby reducing the number of parts in the product.

[0154] In any of the above embodiments, the water receiving box 3 may optionally be detachably installed inside the housing 12.

[0155] In this embodiment, when it is not necessary to add water to the food, the water receiving box 3 and the water tank assembly 4 can be removed from the body 12 to prevent the water receiving box 3 from drying out. The water receiving box 3 can also be set to be non-removable, in which case the water in the water tank assembly 4 can be poured out when it is not necessary to add water to the food.

[0156] Optionally, such as Figure 2 , Figure 6 , Figure 7 and Figure 8 As shown, the steam cooking appliance also includes: a first support 5, installed inside the cooking cavity 16, and a water collection box 3 installed on the first support 5.

[0157] In this embodiment, a first bracket 5 is installed inside the housing 12. The first bracket 5 is mounted on the inner wall of the housing 12. For example, the first bracket 5 can be installed on the housing 12 by means of screws or clips. The water receiving box 3 is mounted on the first bracket 5, which makes the installation and removal of the water receiving box 3 more convenient.

[0158] In any of the above embodiments, optionally, as Figure 2 , Figure 6 , Figure 7 and Figure 8 As shown, the steam cooking appliance also includes: two second supports 6, which are respectively disposed on the two inner side walls of the housing 12 that are opposite each other in the width direction, for supporting the food carrier 10; wherein, the first support 5 is installed on the top of one of the second supports 6.

[0159] In this embodiment, the second bracket 6 can be used to support and install food carriers 10 such as the baking pan 102. The first bracket 5 is installed on top of the second bracket 6. In this structure, the water collection box 3 and the first bracket 5 are directly installed on the support bracket of the food carrier 10 such as the baking pan 102. This allows the installation of the water collection box 3 to be achieved using the existing brackets within the housing 12, thereby simplifying the overall product structure and reducing the overall product cost.

[0160] Furthermore, the second bracket 6 is provided with multiple support parts 62, which are spaced apart along the height direction of the box 12. The first bracket 5 and the second bracket 6 can install the food carrier 10 at multiple height positions through the multiple support parts 62. This arrangement makes the installation height of the food carrier 10 adjustable, and also allows the two second brackets 6 to support and install multiple food carriers 10 at the same time.

[0161] In any of the above embodiments, optionally, as Figure 5 and Figure 6 As shown, a flange 32 is provided at the opening of the water receiving box 3, and the flange 32 extends from the inside to the outside of the opening; the first bracket 5 includes a support bar 52, and the water receiving box 3 is installed on the support bar 52 through the flange 32.

[0162] In this embodiment, the flange 32 enables the positioning and installation of the water receiving box 3. To ensure the installation of the first bracket 5 with the water receiving box 3, a support bar 52 is provided on the first bracket 5. The support bar 52 can be supported at the bottom of the flange 32 to support the water receiving box 3. To ensure the installation stability of the water receiving box 3, the shape of the support bar 52 can be adapted to the outer wall of the water receiving box 3, and the length of the support bar 52 can be set with reference to the outer periphery of the water receiving box 3.

[0163] For example, when the water receiving box 3 is elongated, the support strip 52 can cover three sides of the water receiving box 3 to ensure the stability of the support strip 52 in supporting the water receiving box 3. When the water receiving box 3 is circular or near-circular, the support strip 52 can cover more than a quarter of the circumference of the water receiving box 3.

[0164] In any of the above embodiments, optionally, as Figure 5 , Figure 6 and Figure 8 As shown, the water receiving box 3 has a long and narrow structure and is arranged along the front and rear direction of the cabinet 12. The long and narrow structure of the water receiving box 3 can reduce the width occupied by the water receiving box 3, thereby improving the space utilization of the cooking cavity 16.

[0165] Optionally, the water receiving box 3 has a long strip structure, with support bars 52 supporting it on three sides. This ensures the installation stability of the water receiving box 3.

[0166] In any of the above embodiments, optionally, as Figure 1 As shown, the water tank assembly 4 is mounted on the housing 12. By mounting the water tank assembly 4 on the housing 12, the water tank assembly 4 and the housing 12 can form a single unit, thus facilitating the connection and connection between the water tank assembly 4 and the connector 7. This also makes the entire unit more compact. Of course, in other designs, the water tank can also be installed independently of the housing 12.

[0167] Furthermore, such as Figure 1 As shown, the water tank assembly 4 is installed on the top of the tank body 12, so that the water tank assembly 4 is set higher, making it easier to use gravity to lower the water.

[0168] In this type of structure, water does not need to be filled in the water tank assembly 4 when it is not necessary to add water to the food.

[0169] Optionally, the heating device 2 includes a heating element 22, which is installed on the top of the housing 12.

[0170] In this embodiment, the heating device 2 can be a variety of heating methods, such as infrared heating, thermal radiation heating, or electromagnetic heating. For example, a heating element 22 can be installed on the top of the cooking cavity 16 to heat the food. At this time, the water tank assembly 4 can be installed on the outer top of the housing 12, and the water receiving tank 34 can be positioned close to the top of the cooking cavity 16, so that the heating element 22 can be used to heat the water in the water receiving tank 34 into steam.

[0171] In any of the above embodiments, the steam cooking appliance may optionally include an oven and / or a steamer. Of course, the steam cooking appliance may also be other devices that require a water tank.

[0172] The following section uses a steam oven / steamer as an example to further illustrate the water tank-turning steam cooking appliance in this application.

[0173] Currently, steam ovens / steamers are generally equipped with a water tank assembly to supply water to the machine, using either a water pump or a gravity-fed system without a water pump. The water tank assembly of a typical gravity-fed system is relatively simple, consisting of a water tank, a water tank base, a water box cover, and water pipes. The water tank base is designed with a structure similar to the conventional shape of the water tank, which can easily lead to poor water flow and the risk of subsequent overflow.

[0174] The key feature of this embodiment is the recessed boss on the base of the water tank assembly. Located below the water outlet, this boss acts as a buffer when the water volume is high and the flow rate is too fast, preventing excessive water overflow. The beveled bottom of the boss guides the flow and prevents excessive water residue. A drain outlet at the rear allows water from the tank assembly to be drained into the cavity by gravity. This ensures a stable water supply to the cavity, preventing overflow and excessive water accumulation within the tank.

[0175] The enclosure includes an inner liner and a shell. The inner liner is installed inside the shell, and a space is provided between the outer wall of the inner liner and the inner wall of the shell to accommodate the outer shell and water tank assembly. The front of the shell has a front opening, through which the inner liner forms a cooking cavity. A second mounting port is also provided on the front of the shell for inserting the water tank assembly. The water tank assembly is inserted through this second mounting port between the inner liner and the shell.

[0176] In the description of this specification, the terms "connection," "installation," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0177] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0178] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A water tank device, characterized in that, For steam cooking appliances, the water tank device includes: Water tank assembly, including water outlet channel; The housing includes an interconnected water storage tank and a drain outlet, wherein the water storage tank is configured to receive water from the water outlet channel. A water receiving box is connected to the drain outlet, allowing water in the water storage tank to be discharged from the drain outlet into the water receiving box.

2. The water tank device according to claim 1, characterized in that, The inner bottom wall of the water storage tank gradually slopes down from a position away from the drain outlet to a position closer to the drain outlet.

3. The water tank device according to claim 1, characterized in that, Along the height direction of the steam cooking appliance, the water outlet is located above the water storage tank, and the water storage tank is located above the water receiving box.

4. The water tank device according to claim 1, characterized in that, The mounting housing includes a mounting cavity, one end of which is provided with a first mounting port. The water tank assembly can be installed into the mounting cavity through the first mounting port and is detachably fixed within the mounting cavity.

5. The water tank device according to claim 4, characterized in that, The mounting cavity includes a first inner wall surface and a second inner wall surface. The first inner wall surface is adapted to the shape of the water tank assembly, and the second inner wall surface is recessed in the direction of the outer side of the mounting cavity to form the water storage tank.

6. The water tank device according to claim 5, characterized in that, The mounting housing includes a bottom shell and a top cover, which together form the mounting cavity. A portion of the bottom shell is bent away from the top cover to form the water storage tank.

7. The water tank device according to claim 4, characterized in that, When the water tank assembly is installed in the mounting cavity, the outlet of the water outlet channel is located above the water storage tank along the height direction of the steam cooking appliance, so that the water in the water tank assembly can flow into the water storage tank under the action of gravity.

8. The water tank device according to claim 4, characterized in that, The water tank assembly is detachably mounted on the mounting housing, and the water tank assembly further includes: A valve assembly, installed at the water outlet channel, is movable between a first position and a second position to open or close the water outlet channel; The mounting housing includes a push rod, which is used to insert into the water outlet channel when the water tank assembly is installed in the mounting cavity, and to push the valve assembly from the first position to the second position to open the water outlet channel.

9. The water tank device according to claim 8, characterized in that, Also includes: The first limiting member is installed on the mounting housing; The second limiting component is disposed on the water tank assembly; When the water tank assembly is located in the mounting cavity, the first limiting member and the second limiting member limit each other to lock the water tank assembly. When the water tank assembly is located in the mounting cavity, pressing the water tank assembly into the mounting cavity can release the restriction between the first limiting member and the second limiting member, thereby unlocking the water tank assembly; An elastic element, installed within the water outlet channel, is used to push a portion of the water tank assembly out of the mounting housing when the water tank assembly is in the unlocked state, and to move the valve assembly from the second position to the first position to close the water outlet channel.

10. A steam cooking appliance, characterized in that, Includes the water tank device as described in any one of claims 1 to 9.

11. The steam cooking appliance according to claim 10, characterized in that, Also includes: The housing includes a cooking chamber and a cooking chamber inlet, the cooking chamber inlet communicating with the cooking chamber, the mounting housing being mounted on the housing, and the water tank assembly being detachably mounted on the housing; A door, which is mounted on the housing, to open or close the cooking cavity inlet; A heating device is installed on the housing and is used to heat the food inside the cooking cavity. The water receiving box includes a water receiving trough, which is installed inside the housing. The water in the water receiving trough can be heated into steam by the heating device.

12. The steam cooking appliance according to claim 11, characterized in that, The mounting housing is mounted on the box body. The box body is provided with a second mounting port and the cooking cavity inlet at a first end along the first direction. The door is mounted at the first end of the box body. The water tank assembly can be inserted and mounted onto the box body through the second mounting port along the first direction. The water tank assembly includes: A water tank shell, the water tank shell including a water-containing cavity and a water inlet communicating with the water-containing cavity, the water inlet being disposed at one end of the water tank shell along the first direction; The cover is detachably mounted on the outer shell of the water tank to open or close the water inlet; A sealing ring is disposed between the outer shell of the water tank and the cover to seal the gap between the outer shell of the water tank and the cover.

13. The steam cooking appliance according to claim 11, characterized in that, Also includes: A connector is provided on the housing, and the outlet end of the connector is provided corresponding to the water receiving box; A connecting pipe is used to connect the drain outlet and the connector so that water in the water storage tank can be transported to the water receiving box through the drain outlet, the connecting pipe and the connector; The outlet end of the connector is located inside the cooking cavity and protrudes from the inner wall of the cooking cavity. Along the height direction of the box, the outlet end of the connector is located above the water receiving box.

14. The steam cooking appliance according to claim 13, characterized in that, The housing includes an inner liner that forms the cooking cavity. The connector includes a water-guiding protrusion on the inner wall of the inner liner and a connecting channel penetrating the inner liner and the water-guiding protrusion. The inlet end of the connecting channel is connected to the water tank assembly, and the outlet end of the connecting channel corresponds to the water receiving box, allowing water from the outlet end of the connecting channel to flow into the water receiving box; or The connector is a pipe fitting installed on the box body. The pipe fitting is detachably connected to the box body or integrally connected. The box body includes an inner liner, which forms the cooking cavity. The outlet end of the pipe fitting is located inside the cooking cavity and protrudes from the inner wall of the inner liner.

15. The steam cooking appliance according to any one of claims 11 to 14, characterized in that, The steam cooking appliances include ovens and / or steamers.

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