Air shell assembly, air heating device and milk adjusting device

Abstract

The utility model discloses a kind of wind shell assemblies, warm air device and milk adjusting equipment.The wind shell assembly includes shell, cavity, shielding member and bearing member.The shell is provided with ventilation cavity.Cavity is inserted into the ventilation cavity, and is fixedly connected with shell.Cavity is provided with containing cavity and the first air port of being arranged on the side wall of containing cavity.The opening of containing cavity is arranged at the outside of ventilation cavity, and the first air port is communicated with ventilation cavity.Shielding member is movably connected with cavity, and has the opening state of opening first air port and the closing state of closing first air port.Bearing member is arranged at the bottom of containing cavity, bearing member is slidably connected with cavity, and is drivingly connected with shielding member, to have the bearing state of making shielding member be in opening state and the non-bearing state of making shielding member be in closing state.The wind shell assembly can open air port using the gravity of article, warm air device generates heat-insulating gas into containing cavity, and it is simple to operate, and it is beneficial to improve the use convenience of milk adjusting equipment.

Description

Technical Field

[0001] This disclosure relates to the field of home appliance technology, and in particular to a fan housing assembly, a heating device, and a milk preparation equipment. Background Technology

[0002] As living standards improve, people have higher and higher demands for maternal and infant products. To meet the growing childcare needs, a variety of smart home appliances have emerged on the market. Among them, multi-functional formula maker integrates functions such as formula preparation, warming, sterilization, drying, and storage, allowing users to perform these operations without needing multiple devices, providing great convenience and making it very popular.

[0003] In related technologies, most formula preparation equipment achieves its heat preservation function through water heating devices. However, using water heating devices to keep containers such as bottles warm or heated is inconvenient to operate, which is detrimental to improving the ease of use of formula preparation equipment. Utility Model Content

[0004] This disclosure provides a fan housing assembly, a heating device, and a formula preparation device. The fan housing assembly can open the air vent using the gravity of the item requiring heat preservation, and introduce the heat-preserving gas generated by the heating device into the receiving cavity. It is simple to operate and improves the ease of use of the formula preparation device.

[0005] The technical solution is as follows:

[0006] According to a first aspect of the present disclosure, a fan housing assembly is provided, including a housing, a cavity, a shielding member, and a load-bearing member. The housing has a ventilation cavity. The cavity is inserted into the ventilation cavity and fixedly connected to the housing. The cavity has a receiving cavity and a first air vent disposed on the side wall of the receiving cavity. The opening of the receiving cavity is disposed outside the ventilation cavity, and the first air vent communicates with the ventilation cavity. The shielding member is movably connected to at least one of the housing and the cavity, and has an open state with the first air vent open and a closed state with the first air vent closed. The load-bearing member is disposed at the bottom of the receiving cavity, is slidably connected to at least one of the housing and the cavity, and is drively connected to the shielding member, so as to have a load-bearing state in which the shielding member is in an open state and a non-load-bearing state in which the shielding member is in a closed state. The shielding member and / or the load-bearing member can be reset to return the shielding member to a closed state.

[0007] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects:

[0008] When this fan housing assembly is used in formula preparation equipment, the warm air generating component is connected to the ventilation chamber. When the formula preparation equipment's heat preservation function is needed, a container such as a bottle containing liquid is placed into the receiving chamber and pressed against the load-bearing component. This causes the load-bearing component to move from a non-load-bearing state to a load-bearing state, and pulls the shielding component to open the first air vent. This allows the warm air generated by the warm air generating component to be delivered into the receiving chamber through the first air vent to insulate and / or heat the container. In this way, the fan housing assembly can utilize the gravity of the item requiring heat preservation to open the air vent and guide the heat-preserving gas into the receiving chamber, making it simple and convenient to operate.

[0009] The technical solution of this disclosure will be further explained below:

[0010] In one embodiment, the shielding member and / or the load-bearing member can be reset to return the shielding member to the closed state.

[0011] In one embodiment, the wind housing assembly further includes a locking unit disposed on the housing, the locking unit having a locked state that locks the shield in an open state and an unlocked state that releases the shield. When the locking unit is in the unlocked state, the shield and / or load-bearing member can be reset to return the shield to a closed state.

[0012] In one embodiment, the wind housing assembly further includes a first reset member disposed between the load-bearing member and the outer shell or cavity, so as to reset the load-bearing member to a non-load-bearing state and drive the shielding member to reset to a closed state.

[0013] And / or, the wind housing assembly further includes a second reset member disposed between the shield and the housing or cavity to reset the shield to a closed state.

[0014] In one embodiment, the load-bearing member and the shielding member are fixedly connected, and the bottom of the receiving cavity is provided with a clearance hole. The load-bearing member is slidably disposed between the clearance hole and the bottom of the ventilation cavity.

[0015] When the load-bearing component is in a non-load-bearing state, the load-bearing component closes the clearance hole, and the shielding component closes the first air vent. When the load-bearing component is in a load-bearing state, the clearance hole is spaced apart from the load-bearing component, and the first air vent is opened so that the receiving cavity can communicate with the ventilation cavity through the first air vent.

[0016] In one embodiment, the load-bearing component and the shielding component are integrally formed.

[0017] And / or, the outer wall of the cavity and the inner wall of the ventilation cavity are spaced apart to form an annular flow channel, and the first air outlet is connected to the annular flow channel.

[0018] In one embodiment, the first air vent includes multiple vents, which are spaced apart along the annular airflow channel; the shielding member corresponds to each of the first air vents.

[0019] In one embodiment, the shielding member includes a first baffle corresponding to a first air vent, and two adjacent first baffles are spaced apart to form a second air vent. When the load-bearing member is in a non-load-bearing state, the load-bearing member closes the clearance hole, the first baffle closes the first air vent, and the side wall of the cavity closes the second air vent. When the load-bearing member is in a load-bearing state, the clearance hole is spaced apart from the load-bearing member, and the first and second air vents are opened so that the receiving cavity communicates with the ventilation cavity through the first and second air vents.

[0020] In one embodiment, multiple second air vents are provided and spaced apart along an annular flow channel. The cavity is equipped with a second baffle corresponding to each second air vent. When the load-bearing component is in a non-load-bearing state, the second baffle closes the second air vent. When the load-bearing component is in a load-bearing state, the second baffle opens the second air vent.

[0021] In one embodiment, two adjacent second baffles are spaced apart to form a first air vent.

[0022] And / or, the second baffle is provided with a guide rail, and the guide rails of two adjacent second baffles are spaced apart to form a sliding groove, at least a portion of the first baffle is embedded in the sliding groove and is guided and cooperated with the guide rail.

[0023] In one embodiment, the shielding element is slidably connected to the cavity.

[0024] In one embodiment, the bottom of the receiving cavity is provided with a connecting hole, and the load-bearing member is provided with a guide member slidably connected to the connecting hole and a trigger portion fixed to the end of the guide member. The guide member is drively connected to the shielding member. When the load-bearing member is in a non-load-bearing state, at least a portion of the guide member extends into the receiving cavity, so that the trigger portion protrudes from the receiving cavity. When the load-bearing member is in a load-bearing state, the trigger portion is disposed near or against the bottom of the receiving cavity.

[0025] In one embodiment, the first air vent is located at the bottom of the receiving cavity, the shielding member is rotatably disposed in the cavity, the shielding member is fan-shaped and has a gear structure, and the guide member has a first rack structure that is in transmission cooperation with the gear structure.

[0026] Alternatively, the wind housing assembly may also include a transmission unit, through which the guides drive the shielding components to move.

[0027] In one embodiment, the shielding member is rotatably disposed on the outer shell, the guide member is provided with a second rack structure, and the transmission unit includes a transmission rope, a gear that drives and engages with the second rack structure, and a rotating shaft that drives and connects with the gear. The gear and the rotating shaft are rotatably disposed in the cavity, one end of the transmission rope is wound around the rotating shaft, and the other end is fixed to the shielding member.

[0028] Alternatively, the shielding component can be rotatably disposed in the cavity, and the transmission unit includes a screw fixedly connected to the guide component, a nut with screw thread transmission engagement, and a transmission component connecting the nut and the shielding component, wherein the nut and the shielding component rotate coaxially.

[0029] Alternatively, the shielding component is slidably connected to the cavity, and the transmission unit includes a connecting rod, one end of which is rotatably connected to the guide component, and the other end of which is rotatably connected to the shielding component.

[0030] Alternatively, the shielding member is slidably connected to the cavity, and the sliding direction of the shielding member is the same as the sliding direction of the guide member. The transmission unit includes a connecting member, and the guide member is fixedly connected to the shielding member through the connecting member.

[0031] In one embodiment, the housing further includes an expansion cavity disposed above the cavity and communicating with the receiving cavity.

[0032] In one embodiment, the housing is further provided with a first air duct communicating with the ventilation cavity and the expansion cavity. The air housing assembly also includes a first switching valve disposed in the first air duct, the first switching valve being used to open or close the first air duct.

[0033] In one embodiment, the cavity further includes a limiting ring disposed at the opening of the receiving cavity, the limiting ring and the load-bearing member being spaced apart along the depth direction of the receiving cavity.

[0034] According to a second aspect of the present disclosure, a heating device is also provided, including a heating air generating component and a fan housing component as described in any of the above embodiments, wherein the air outlet of the heating air generating component is connected to a ventilation cavity.

[0035] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects:

[0036] When applied to formula preparation equipment, this warm air generating component is connected to the ventilation chamber. When the formula preparation equipment's heat preservation function is needed, a container such as a bottle containing liquid is placed into the receiving chamber and pressed against the load-bearing component. This causes the load-bearing component to move from a non-load-bearing state to a load-bearing state, opening the first air vent. This allows the warm air generated by the warm air generating component to be delivered into the receiving chamber through the first air vent, insulating and / or heating the container. After insulating and / or heating is complete, the container is removed from the receiving chamber, and the cover and / or load-bearing component return to their original positions, preventing leakage of the heat-preserving gas. During this process, the container is easy to place and remove, and the use of heat-preserving gas to heat the container ensures no liquid residue remains on the outer wall, eliminating the need for wiping. Thus, this warm air device provides heat preservation for formula preparation equipment and is simple and convenient to operate.

[0037] According to a third aspect of the present disclosure, a formula preparation device is also provided, including a housing assembly and the warm air device described in the above embodiments, wherein the warm air device is disposed on the housing assembly.

[0038] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects:

[0039] When the warming function of the formula warming equipment is needed, place the container, such as a bottle containing liquid, into the receiving chamber and press it against the load-bearing component. This moves the load-bearing component from a non-load-bearing state to a load-bearing state, causing the shielding component to open the first air vent. This allows warm air generated by the warm air generating component to be delivered into the receiving chamber through the first air vent to warm and / or heat the container. After warming and / or heating are complete, the container can be removed from the receiving chamber. This makes it convenient to place and remove containers when using the formula warming equipment for warming and / or heating. Furthermore, using insulating gas to heat the container ensures that no liquid residue remains on the outer wall of the container, eliminating the need for wiping and effectively improving the ease of use of the formula warming equipment.

[0040] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0041] The accompanying drawings, which form part of this disclosure, are used to provide a further understanding of this disclosure. The illustrative embodiments of this disclosure and their descriptions are used to explain this disclosure and do not constitute an undue limitation of this disclosure.

[0042] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0043] Figure 1 This is a top view schematic diagram of a formula preparation device shown in one embodiment.

[0044] Figure 2 for Figure 1 The diagram shows a half-section of AA (the load-bearing component is in a non-load-bearing state).

[0045] Figure 3 for Figure 2 The diagram shows the load-bearing components of the formula preparation equipment under load.

[0046] Figure 4 for Figure 2 The diagram shows the structure of the heating device.

[0047] Figure 5 for Figure 3 The diagram shows the structure of the heating device.

[0048] Figure 6 for Figure 4 The diagram shows a partial cross-sectional view of the formula preparation equipment in the depth direction of the receiving cavity.

[0049] Figure 7 for Figure 4 The diagram shows a partial cross-sectional view of the formula preparation equipment along the area of ​​the receiving cavity.

[0050] Figure 8 This is a partial cross-sectional schematic diagram of a heating device shown in another embodiment.

[0051] Figure 9 This is a half-sectional schematic diagram of the heating device shown in another embodiment.

[0052] Figure 10 This is a half-sectional schematic diagram of the heating device shown in another embodiment (the load-bearing component is in a non-load-bearing state).

[0053] Figure 11 for Figure 10 The diagram shows the load-bearing component of the heating device under load.

[0054] Figure 12 This is a half-sectional schematic diagram of the heating device shown in another embodiment.

[0055] Figure 13 This is a half-sectional schematic diagram of the heating device shown in another embodiment.

[0056] Figure 14 for Figure 4 The diagram shows the structure of the formula preparation equipment.

[0057] Figure 15 for Figure 14 The diagram shows a top view of the formula preparation equipment.

[0058] Figure 16 for Figure 15 The diagram shown is a half-section of BB (the load-bearing component is under load).

[0059] Figure 17 for Figure 16 The diagram shows the second air duct of the formula mixing equipment in the open state.

[0060] Figure 18 This is a side view schematic diagram of a heating device shown in one embodiment.

[0061] Figure 19 for Figure 18 The diagram shows a half-section of CC.

[0062] Explanation of reference numerals in the attached figures:

[0063] 10. Milk preparation equipment; 100. Shell assembly; 110. Sterilization chamber; 120. Second air duct; 130. Second switch valve; 200. Heating device; 210. Heating air generating assembly; 211. Fan; 212. Heating element; 220. Air casing assembly; 201. Annular guide channel; 221. Shell; 2211. Ventilation chamber; 2201. Air inlet; 2212. Expansion chamber; 2213. First air duct; 222. Cavity; 2221. Receiving cavity; 2001. Opening; 2002. Clearance hole; 2005. Connection hole; 2222. First air outlet; 2223. Second... 2003. Baffle; 2004. Guide rail; 2224. Slide groove; 2225. Limiting ring; 226. Shielding component; 2237. First baffle; 2238. Second air vent; 2239. Gear structure; 22002. Load-bearing component; 2241. Guide component; 20002. First rack structure; 2007. Second rack structure; 2242. Triggering part; 225. First reset component; 226. First switch valve; 227. Transmission assembly; 2271. Transmission rope; 2272. Gear; 2273. Rotating shaft; 2274. Screw; 2275. Nut; 2276. Connecting rod; 2277. Connecting component. Detailed Implementation

[0064] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative and do not limit the scope of protection of this disclosure.

[0065] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure.

[0066] With the improvement of living standards, people's demands for maternal and infant products are also increasing. To meet the growing childcare needs, a variety of smart home appliances have emerged on the market. Among them, multi-functional formula makers integrate functions such as formula preparation, warming, sterilization, drying, and storage, allowing users to perform these operations without needing multiple devices, providing great convenience and gaining popularity. However, with a wide variety of formula makers and brands available, consumers have many choices. How to win consumer favor and enhance product competitiveness has become an increasingly important issue for formula maker manufacturers.

[0067] In related technologies, most formula preparation equipment uses water heating devices to maintain the temperature. However, when using water heating devices to protect or heat containers such as bottles, additional water needs to be added to the container. Furthermore, when removing the container from the container, liquid residue remains on the outer wall, requiring wiping, which is inconvenient. This detracts from the ease of use of formula preparation equipment.

[0068] Therefore, it is necessary to provide a fan housing assembly. This fan housing assembly can open the air vent using the gravity of the item that needs to be kept warm, and introduce the warming gas generated by the heating device into the receiving cavity. It is simple to operate and helps to improve the ease of use of the milk preparation equipment.

[0069] To better understand the air casing assembly of this disclosure, a milk preparation device using the air casing assembly and a warm air device is described.

[0070] like Figures 1 to 3 As shown, in some embodiments of this disclosure, a formula preparation device 10 is provided, including a housing assembly 100 and a heating device 200, the heating device 200 being disposed on the housing assembly 100. Thus, the heating device 200 can provide insulating gas to the formula preparation device 10, achieving a heat preservation function. Compared with traditional water-based heat preservation methods, after the container is removed from the heating device 200, no liquid residue remains on the outer wall of the container, eliminating the need for wiping and making operation more convenient.

[0071] Among them, such as Figure 2 as well as Figure 3 As shown, the heating device 200 includes a heating air generating assembly 210 and a fan housing assembly 220. The fan housing assembly 220 includes a housing 221, a cavity 222, a shielding member 223, and a load-bearing member 224. The housing 221 has a ventilation cavity 2211. The cavity 222 is inserted into the ventilation cavity 2211 and fixedly connected to the housing 221. The cavity 222 has a receiving cavity 2221 and a first air outlet 2222 disposed on the side wall of the receiving cavity 2221. The opening 2001 of the receiving cavity 2221 is located outside the ventilation cavity 2211, and the first air outlet 2222 communicates with the ventilation cavity 2211. The shielding member 223 is movably connected to at least one of the housing 221 and the cavity 222, and has an open state with the first air outlet 2222 open and a closed state with the first air outlet 2222 closed. The load-bearing member 224 is disposed at the bottom of the receiving cavity 2221. The load-bearing member 224 is slidably connected to at least one of the outer shell 221 and the cavity 222, and is drivenly connected to the shielding member 223, so as to have a load-bearing state in which the shielding member 223 is in an open state and a non-load-bearing state in which the shielding member 223 is in a closed state.

[0072] When the warming function of the formula preparation device 10 is needed, a container such as a bottle containing liquid is placed into the receiving cavity 2221 and pressed against the load-bearing member 224. This causes the load-bearing member 224 to move from a non-load-bearing state to a load-bearing state, and drives the shielding member 223 to open the first air vent 2222. This facilitates the delivery of warm air generated by the warm air generating component 210 into the receiving cavity 2221 through the first air vent 2222 to keep the container warm and / or heat it. Thus, when using the formula preparation device 10 for warming and / or heating, the container is easy to place and remove, and the operation is simple. Furthermore, using insulating gas to heat the container ensures that no liquid remains on the outer wall of the container, eliminating the need for wiping and effectively improving the ease of use of the formula preparation device 10.

[0073] Understandably, the ventilation cavity facilitates connection with the warm air generating component, enabling modular assembly of the air casing and the warm air generating component, thus improving the assembly efficiency of the milk preparation equipment. Simultaneously, the ventilation cavity also buffers the airflow delivered by the warm air generating component, helping to reduce wind noise.

[0074] It should be noted that the outer shell can be implemented in various ways, as long as it forms the structure described above. For example, it can be constructed by splicing together multiple shells. Another example is that it can be assembled from a shell and a cover plate.

[0075] Similarly, there are various ways to implement the housing assembly, as long as it forms the structure described above. For example, it can be constructed by splicing together multiple housings. Another example is by assembling a housing with a cover plate. Yet another example is by setting up a single housing and using partitions to separate the housing assembly into different spaces.

[0076] In addition, the design of the housing facilitates the modular assembly of the heating unit onto the housing components.

[0077] It should be noted that "the shielding member is movably connected to at least one of the housing and the cavity" includes either a rotatable connection or a sliding connection, as long as it can switch between the first state and the second state. For example, the shielding member is slidably connected to the housing or the cavity. Another example is that the shielding member is rotatably connected to the housing or the cavity.

[0078] In some embodiments, the shielding member 223 and / or the load-bearing member 224 can be reset to a closed state. The air outlet of the warm air generating assembly 210 is connected to the ventilation chamber 2211. Thus, after insulation and / or heating are completed, when the container is removed from the receiving chamber 2221, the shielding member 223 and / or the load-bearing member 224 can be reset to a closed state, preventing leakage of insulation gas and improving the ease of use of the milk preparation equipment.

[0079] It should be noted that there are various ways to achieve "the shielding part and / or load-bearing part can be reset", including electric reset, repositioning, magnetic reset, magnetic repulsion reset, elastic reset, etc.

[0080] Understandably, the shielding component and the load-bearing component are connected by a transmission mechanism. Therefore, if at least one of the shielding component and the load-bearing component can be reset, the shielding component can be reset to the closed state, and the load-bearing component can be reset to the non-load-bearing state.

[0081] like Figure 2 as well as Figure 3 As shown, in some embodiments, the fan housing assembly 220 further includes a first reset member 225, which is disposed between the load-bearing member 224 and the outer shell 221 or cavity 222, so that the load-bearing member 224 is reset to a non-load-bearing state, and the shielding member 223 is reset to a closed state. Thus, when the milk preparation equipment 10 needs to use the heat preservation function, a container such as a bottle is placed in the receiving cavity 2221, and the weight of the container acts on the load-bearing member 224. At this time, the first reset member 225 generates a reset force less than the weight of the container. When the milk preparation equipment 10 does not need to use the heat preservation function, the container is removed from the load-bearing member 224, allowing the load-bearing member 224 to be reset to a non-load-bearing state by the reset force generated by the first reset member 225, and the shielding member 223 is reset to close the first air vent 2222.

[0082] It should be noted that the first reset component 225 includes a magnetically attracted reset component, a magnetically repelled reset component, and an elastic reset component, etc. For example... Figure 2 as well as Figure 3 As shown, in this embodiment, the first reset member 225 is a compression spring, and the elastic reset member is disposed between the bottom of the ventilation cavity 2211 and the load-bearing member 224 so that the load-bearing member 224 can be reset to a non-load-bearing state.

[0083] Optionally, in some embodiments, the fan housing assembly further includes a second reset member (not shown), which is disposed between the shielding member and the outer shell or cavity to reset the shielding member to a closed state. Thus, when the formula preparation equipment needs to use the heat preservation function, containers such as bottles are placed into the receiving cavity, and the weight of the containers acts on the load-bearing member. At this time, the second reset member generates a reset force less than the weight of the containers. When the formula preparation equipment does not need to use the heat preservation function, the containers are removed from the load-bearing member, allowing the shielding member to reset to a closed state through the reset force generated by the second reset member, thereby closing the first air vent. During this process, the load-bearing member also resets to a non-load-bearing state.

[0084] It should be noted that the second reset element includes magnetically attracted reset elements, magnetically repelled reset elements, and elastic reset elements. When the shielding element is rotatably connected to the cavity and / or the outer shell, the second reset element includes a torsion spring. When the shielding element is slidably connected to the cavity and / or the outer shell, the second reset element includes a compression spring or a tension spring.

[0085] In some embodiments, the air casing assembly further includes a locking unit (not shown) disposed on the outer casing. The locking unit has a locked state that locks the shield in an open state and an unlocked state that releases the shield. When the locking unit is in the unlocked state, the shield and / or load-bearing member can be reset to return the shield to a closed state. Thus, the locking unit can be switched from the locked state to the unlocked state, and the shield can be reset to the closed state, by means of electronic control or manual operation, preventing the leakage of insulating gas.

[0086] It should be noted that the locking unit can be implemented in various ways. For example, the locking unit includes a latch movably mounted on the housing and an operating component that is driven by the latch. The operating component can switch the latch between locked and unlocked states.

[0087] The operating components include a paddle.

[0088] It should be noted that there are several ways to achieve the transmission connection between the shielding component and the load-bearing component, including direct fixed transmission connection or transmission connection through other transmission structures. When the two are directly fixed, the connection can be detachable or non-detachable, as long as power transmission can be achieved. Methods such as sleeve, snap-fit, integral molding, and welding are feasible in traditional technologies and will not be elaborated here.

[0089] Combination Figure 4 as well as Figure 5 As shown, in some embodiments, the load-bearing member 224 is fixedly connected to the shielding member 223, and the bottom of the receiving cavity 2221 is provided with a clearance hole 2002. The load-bearing member 224 is slidably disposed between the clearance hole 2002 and the bottom of the ventilation cavity 2211. This allows the load-bearing member 224 to easily extend and retract along the direction of gravity, causing the shielding member 223 to switch between an open state and a closed state. When the load-bearing member 224 is in a non-load-bearing state, the load-bearing member 224 closes the clearance hole 2002, and the shielding member 223 closes the first air vent 2222. This prevents the insulation gas in the ventilation cavity 2211 from leaking from the clearance hole 2002 and / or the first air vent 2222. When the load-bearing member 224 is in a load-bearing state, the clearance hole 2002 and the load-bearing member 224 are spaced apart, and the first air vent 2222 is opened, so that the receiving cavity 2221 communicates with the ventilation cavity 2211 through the first air vent 2222. That is, when the load-bearing component 224 presses against the container, the container can pass through the clearance hole 2002 to continue pressing against the load-bearing component 224, so that the load-bearing component 224 switches to the load-bearing state. The transmission connection between the load-bearing component 224 and the shielding component 223 is achieved by fixing the load-bearing component 224 and the shielding component 223, so that the two structures fit together more tightly and occupy less space.

[0090] Specifically, such as Figure 3 as well as Figure 5As shown, when the formula preparation device 10 needs to use the heat preservation function, the baby bottle or other container is placed into the receiving cavity 2221, and the weight of the container acts on the load-bearing member 224. The container can pass through the clearance hole 2002 and continue to press against the load-bearing member 224 downwards, causing the shielding member 223 to open the first air vent 2222. At this time, the ventilation cavity 2211 is connected to the receiving cavity 2221 through the first air vent 2222, which facilitates the heating of the container in the receiving cavity 2221 by the heat preservation gas in the ventilation cavity 2211 through the first air vent 2222. Figure 2 as well as Figure 4 As shown, when the milk preparation equipment 10 does not need to use the heat preservation function, the container is removed from the load-bearing member 224, so that the load-bearing member 224 can be reset to the non-load-bearing state, the clearance hole 2002 is closed, and the shielding member 223 is driven to close the first air vent 2222.

[0091] Optionally, such as Figure 6 As shown, in some embodiments, the load-bearing member 224 and the shielding member 223 are integrally formed. This reduces assembly steps.

[0092] Optionally, such as Figure 7 As shown, in some embodiments, the shielding member 223 is slidably connected to the cavity 222. This facilitates the sliding connection between the load-bearing member 224 and the cavity 222 via the shielding member 223, which helps to reduce the connection structure, simplify the structure of the fan housing assembly 220, and reduce manufacturing difficulty and assembly complexity.

[0093] In combination with any of the foregoing embodiments, such as Figure 2 , Figure 3 , Figure 6 as well as Figure 7 As shown, in some embodiments, an annular flow channel 201 is formed between the outer wall of the cavity 222 and the inner wall of the ventilation cavity 2211, and the first air outlet 2222 is connected to the annular flow channel 201. Thus, the annular flow channel 201 formed within the ventilation cavity 2211 effectively reduces turbulence and energy loss of the warm air, thereby helping to reduce the energy consumption of the milk preparation equipment 10.

[0094] Furthermore, such as Figure 6 as well as Figure 7 As shown, in some embodiments, the first air vent 2222 includes multiple vents, which are spaced apart along the annular guide channel 201. In this way, the multiple first air vents 2222 spaced apart along the annular guide channel 201 can improve the uniformity of the circumferential airflow along the receiving cavity 2221, so that the container is heated evenly within the receiving cavity 2221.

[0095] It should be noted that the shielding component can be implemented in various ways, including but not limited to being cylindrical, partially cylindrical, arc-shaped baffles, or composed of multiple baffles, etc. For example, the shielding component is cylindrical and fits onto the outside of the cavity, enabling the closure or opening of multiple first air vents. As another example, the shielding component is an arc-shaped baffle, fitted onto the outside of the cavity, enabling the closure or opening of multiple first air vents.

[0096] like Figures 5 to 7 As shown, in some embodiments, the shielding member 223 includes a first baffle 2231 corresponding to the first air vent 2222, and two adjacent first baffles 2231 are spaced apart to form a second air vent 2232. When the load-bearing member 224 is in a non-load-bearing state, the load-bearing member 224 closes the clearance hole 2002, the first baffle 2231 closes the first air vent 2222, and the side wall of the cavity 222 closes the second air vent 2232. When the load-bearing member 224 is in a load-bearing state, the clearance hole 2002 is spaced apart from the load-bearing member 224, and the first air vent 2222 and the second air vent 2232 are opened, so that the receiving cavity 2221 communicates with the ventilation cavity 2211 through the first air vent 2222 and the second air vent 2232. Thus, when the milk preparation equipment 10 needs to use the heat preservation function, the milk bottle or other container is placed into the receiving cavity 2221, and the weight of the container acts on the load-bearing member 224, causing the load-bearing member 224 to move downward, opening the clearance hole 2002, and driving the first baffle 2231 to open the first air vent 2222, so that the ventilation cavity 2211 is connected to the receiving cavity 2221 through the first air vent 2222. At this time, the second air vent 2232 is offset from the cavity 222 as the load-bearing member 224 moves downward, so that the second air vent 2232 is opened. At this time, the ventilation cavity 2211 is also connected to the receiving cavity 2221 through the second air vent 2232 and the clearance hole 2002, so that the heat preservation gas in the annular guide channel 201 is delivered to the receiving cavity 2221 through the first air vent 2222 and the second air vent 2232. The first air vent 2222 and the second air vent 2232 are spaced apart along the depth direction of the receiving cavity 2221, thereby improving the uniformity of heating of the container in the height direction. When the milk preparation equipment 10 does not need to use the heat preservation function, the container is removed from the load-bearing member 224, so that the load-bearing member 224 can be reset to the non-load-bearing state, the clearance hole 2002 is closed, and the first baffle 2231 is driven to close the first air vent 2222, while the second air vent 2232 is blocked by the cavity 222.

[0097] like Figures 5 to 7As shown, in some embodiments, multiple second air vents 2232 are provided and spaced apart along the annular guide channel 201. The cavity 222 is provided with second baffles 2223 corresponding to each second air vent 2232. When the load-bearing member 224 is in a non-load-bearing state, the second baffles 2223 close the second air vents 2232. When the load-bearing member 224 is in a load-bearing state, the second baffles 2223 open the second air vents 2232. Thus, the multiple second air vents 2232 spaced apart along the annular guide channel 201 can improve the uniformity of circumferential airflow along the receiving cavity 2221, ensuring uniform heating of the container within the receiving cavity 2221. Simultaneously, by providing second baffles 2223 on the cavity 222 to open or close the second air vents 2232, the fit between the cavity 222, the shielding member 223, and the load-bearing member 224 is more compact, which helps to reduce the volume of the fan housing assembly 220.

[0098] Optionally, combined Figure 4 as well as Figure 7 As shown, in some embodiments, two adjacent second baffles 2223 are spaced apart to form a first air vent 2222. This reduces the manufacturing difficulty of the cavity 222 and allows the second baffles 2223 and the first air vents 2222 to be alternately arranged along the annular guide channel 201, further improving the uniformity of the circumferential airflow from the receiving cavity 2221 and ensuring that the container is heated evenly within the receiving cavity 2221.

[0099] Furthermore, such as Figure 7 As shown, in some embodiments, the second baffle 2223 is provided with a guide rail 2003, and the guide rails 2003 of two adjacent second baffles 2223 are spaced apart to form a sliding groove 2004. At least a portion of the first baffle 2231 is embedded in the sliding groove 2004 and is guided and engaged with the guide rail 2003. In this way, the shielding member 223 and the second baffle 2223 are slidably engaged, and the contact area between the shielding member 223 and the second baffle 2223 is increased, forming a circuitous sealing structure. This can improve the sealing performance of the first air vent 2222 and the second air vent 2232 in the closed state, and avoid or reduce the leakage of heat-insulating gas.

[0100] In combination with any of the above embodiments, in combination with Figures 4 to 6 As shown, in some embodiments, the cavity 222 further includes a limiting ring 2224 disposed at the opening 2001 of the receiving cavity 2221, and the limiting ring 2224 and the load-bearing member 224 are spaced apart along the depth direction of the receiving cavity 2221. In this way, the limiting ring 2224 can restrict the movement space of the container in the receiving cavity 2221, reduce or avoid container shaking, and improve the quietness of the milk preparation equipment 10.

[0101] Optionally, the limiting ring 2224 includes an elastic ring, a retaining ring, etc. When the limiting ring 2224 is in contact with the elastic ring, the container and the elastic ring are elastically compressed together, so that the container can be fixed in the receiving cavity 2221.

[0102] Reference Figures 8 to 13 In other embodiments, the bottom of the receiving cavity 2221 is provided with a connecting hole 2005. The load-bearing member 224 is provided with a guide member 2241 slidably connected to the connecting hole 2005 and a trigger part 2242 fixed to the end of the guide member 2241. The guide member 2241 is kinetically connected to the shielding member 223. When the load-bearing member 224 is in a non-load-bearing state, at least a portion of the guide member 2241 extends into the receiving cavity 2221, so that the trigger part 2242 protrudes from the receiving cavity 2221. When the load-bearing member 224 is in a load-bearing state, the trigger part 2242 is positioned close to or against the bottom of the receiving cavity 2221. Thus, through the cooperation of the guide member 2241 and the trigger part 2242, the load-bearing member 224 can be used as a gravity trigger, and the guide member 2241 drives the shielding member 223 to switch between an open state and a closed state.

[0103] Specifically, when the formula preparation equipment 10 needs to use the heat preservation function, the container, such as a bottle, is placed into the receiving cavity 2221, and the weight of the container acts on the trigger part 2242, causing the trigger part 2242 to drive the guide member 2241 downward, and causing the shielding member 223 to open the first air vent 2222. At this time, the ventilation cavity 2211 is connected to the receiving cavity 2221 through the first air vent 2222, facilitating the delivery of heat preservation gas from the ventilation cavity 2211 to the receiving cavity 2221 through the first air vent 2222. When the formula preparation equipment 10 does not need to use the heat preservation function, the container is removed from the trigger part 2242, allowing the load-bearing member 224 to return to the non-load-bearing state, and the guide member 2241 drives the shielding member 223 to close the first air vent 2222.

[0104] like Figure 8 As shown, in some embodiments, the first air vent 2222 is disposed at the bottom of the receiving cavity 2221, and the shielding member 223 is rotatably disposed in the cavity 222. The shielding member 223 is fan-shaped and is provided with a gear structure 2233. The guide member 2241 is provided with a first rack structure 2006 that is in transmission cooperation with the gear structure 2233. In this way, through the first rack structure 2006 and the gear structure 2233, the force generated by the extension and retraction movement of the guide member 2241 can be converted into a driving force to drive the shielding member 223 to rotate, which facilitates the switching of the shielding member 223 between the open and closed states.

[0105] Understandably, the shielding member 223 has a fan-shaped structure. When the first rack structure 2006 moves downward under gravity, it drives the gear structure 2233 to rotate, which in turn drives the shielding member 223 to rotate. When the shielding member 223 is misaligned with the first air vent 2222, the shielding member 223 opens the first air vent 2222. When the shielding member 223 returns to its original position, it rotates in the opposite direction to shield the first air vent 2222.

[0106] Reference Figures 9 to 13 As shown, in some embodiments, the fan housing assembly 220 further includes a transmission unit, through which the guide member 2241 drives the shielding member 223 to move. Thus, the guide member 2241 drives the shielding member 223 to switch between an open and closed state via the transmission unit, allowing the position between the shielding member 223 and the guide member 2241 to be flexibly set.

[0107] It should be noted that there are multiple ways to implement the transmission unit. For example, such as... Figure 9 As shown, in some embodiments, the shielding member 223 is rotatably disposed on the outer shell 221, the guide member 2241 is provided with a second rack structure 2007, and the transmission unit includes a transmission rope 2271, a gear 2272 that is driven and engaged with the second rack structure 2007, and a rotating shaft 2273 that is driven and connected to the gear 2272. The gear 2272 and the rotating shaft 2273 are rotatably disposed in the cavity 222. One end of the transmission rope 2271 is wound around the rotating shaft 2273, and the other end is fixed to the shielding member 223. Thus, when the milk preparation equipment 10 needs to use the heat preservation function, the milk bottle or other container is placed into the receiving cavity 2221, and the weight of the container acts on the trigger part 2242, causing the trigger part 2242 to drive the guide member 2241 to move downwards. This, in turn, drives the gear 2272 and the rotating shaft 2273 to rotate via the second rack structure 2007. The rotating shaft 2273 then winds up the transmission rope 2271, which in turn drives the shielding member 223 to open the first air vent 2222. At this time, the ventilation cavity 2211 is connected to the receiving cavity 2221 through the first air vent 2222, facilitating the delivery of the heat-preserving gas in the ventilation cavity 2211 to the receiving cavity 2221 through the first air vent 2222. When the milk preparation equipment 10 does not need to use the heat preservation function, the container is removed from the trigger part 2242, so that the load-bearing part 224 can be reset to the non-load-bearing state. The second rack structure 2007 on the guide part 2241 drives the gear 2272 to rotate in the opposite direction. The transmission rope 2271 is unwound through the rotating shaft 2273, so that the shielding part 223 is reset to the closed state.

[0108] For example, such as Figure 10 as well as Figure 11As shown, in some embodiments, the shielding member 223 is rotatably disposed in the cavity 222. The transmission unit includes a screw 2274 fixedly connected to the guide member 2241, a nut 2275 threadedly engaged with the screw 2274, and a transmission member connecting the nut 2275 and the shielding member 223. The nut 2275 and the shielding member 223 rotate coaxially. Thus, when the milk preparation equipment 10 needs to use the heat preservation function, a container such as a milk bottle is placed in the receiving cavity 2221, and the weight of the container acts on the trigger part 2242, causing the trigger part 2242 to drive the guide member 2241 to move downward, and the screw 2274 drives the nut 2275 to rotate, which in turn drives the shielding member 223 to rotate, opening the first air vent 2222. At this time, the ventilation chamber 2211 is connected to the receiving chamber 2221 through the first air vent 2222, which facilitates the delivery of the heat-insulating gas in the ventilation chamber 2211 to the receiving chamber 2221 through the first air vent 2222. When the milk preparation equipment 10 does not need to use the heat preservation function, the container is removed from the trigger part 2242, so that the load-bearing part 224 can be reset to the non-load-bearing state, and the screw 2274 drives the nut 2275 to rotate in the opposite direction, so that the shielding part 223 is reset to the closed state.

[0109] For example, such as Figure 12 As shown, in some embodiments, the shielding member 223 is slidably connected to the cavity 222, and the transmission unit includes a connecting rod 2276. One end of the connecting rod 2276 is rotatably connected to the guide member 2241, and the other end is rotatably connected to the shielding member 223. Thus, when the milk preparation device 10 needs to use the heat preservation function, a bottle or other container is placed into the receiving cavity 2221, and the weight of the container acts on the trigger part 2242, causing the trigger part 2242 to drive the guide member 2241 downwards, and through the connecting rod 2276, drive the shielding member 223 to move, opening the first air vent 2222. At this time, the ventilation cavity 2211 is connected to the receiving cavity 2221 through the first air vent 2222, facilitating the delivery of heat-preserving gas from the ventilation cavity 2211 to the receiving cavity 2221 through the first air vent 2222. When the milk preparation equipment 10 does not need to use the heat preservation function, the container is removed from the trigger part 2242, so that the load-bearing part 224 can be reset to the non-load-bearing state, and the shielding part 223 is driven to be reset to the closed state through the connecting rod 2276.

[0110] For example, such as Figure 13As shown, in some embodiments, the shielding member 223 is slidably connected to the cavity 222, and the sliding direction of the shielding member 223 is in the same direction as the sliding direction of the guide member 2241. The transmission unit includes a connecting member 2277, and the guide member 2241 is fixedly connected to the shielding member 223 through the connecting member 2277. Thus, when the milk preparation equipment 10 needs to use the heat preservation function, a container such as a milk bottle is placed in the receiving cavity 2221, and the weight of the container acts on the trigger part 2242, causing the trigger part 2242 to drive the guide member 2241 to move downward, and drive the shielding member 223 to move through the connecting member 2277, and open the first air vent 2222. At this time, the ventilation cavity 2211 is connected to the receiving cavity 2221 through the first air vent 2222, which facilitates the delivery of the heat preservation gas in the ventilation cavity 2211 to the receiving cavity 2221 through the first air vent 2222. When the milk preparation equipment 10 does not need to use the heat preservation function, the container is removed from the trigger part 2242, so that the load-bearing part 224 can be reset to the non-load-bearing state, and the shielding part 223 is driven to be reset to the closed state through the connector 2277.

[0111] like Figure 2 as well as Figure 3 ,or Figures 9 to 13 As shown, in some embodiments, the outer casing 221 further includes an expansion cavity 2212, which is disposed above the cavity 222 and communicates with the receiving cavity 2221. Thus, the expansion cavity 2212 can increase the depth of the receiving cavity 2221.

[0112] Reference Figure 9 And see you back Figure 2 as well as Figure 3 As shown, in some embodiments, the outer casing 221 is further provided with a first air duct 2213 communicating with the ventilation cavity 2211 and the expansion cavity 2212. The air casing assembly 220 also includes a first switching valve 226 disposed in the first air duct 2213, which is used to open or close the first air duct 2213. In this way, the ventilation cavity 2211 and the expansion cavity 2212 are connected by the first air duct 2213, which facilitates the delivery of the heat-insulating gas in the ventilation cavity 2211 to the receiving cavity 2221 through the first air duct 2213. When both the first air duct 2213 and the first air outlet 2222 are open, the container placed in the receiving cavity 2221 is heated uniformly in the height direction.

[0113] Specifically, when the warming function of the formula warming equipment is needed, a container such as a bottle containing liquid is placed into the receiving cavity and pressed against the load-bearing component, causing the load-bearing component to move from a non-load-bearing state to a load-bearing state, and causing the shielding component to open the first air vent. If the liquid level in the container is high, the first air duct can be opened through the first switch valve, allowing the warming gas to be transported to the area above the first air vent, so that the container is heated evenly in the vertical direction.

[0114] It should be noted that there are various ways to implement the first switching valve, including but not limited to at least one of the following: a manual valve, a gravity-operated first switching valve, and an electric valve, as long as the above-mentioned on / off control can be achieved.

[0115] In combination with any of the above embodiments, such as Figures 14 to 17 As shown, in some embodiments, the housing assembly 100 includes a sterilization chamber 110, a second air duct 120 communicating with the sterilization chamber 110 and the ventilation chamber 2211, and a second switching valve 130 for opening or closing the second air duct 120. Thus, when the formula preparation device 10 needs to use the heat preservation function, the first air vent 2222 is opened, the first switching valve 226 opens the first air duct 2213, and the second switching valve 130 closes the second air duct 120. This facilitates the supply of heat-preserving gas to the receiving chamber 2221 using the warm air generating assembly 210, thereby enabling the receiving chamber 2221 to keep or heat containers such as bottles. When the formula preparation device 10 needs to use the drying function, the first air vent 2222 is closed, the first switching valve 226 closes the first air duct 2213, and the second switching valve 130 opens the second air duct 120. This facilitates the supply of drying gas to the sterilization chamber 110 using the warm air generating assembly 210, enabling the rapid drying of containers such as bottles using the drying gas, thus improving the efficiency of bottle sterilization. Thus, the milk preparation equipment 10 has drying and heat preservation functions, and does not require water heating components, making the structure of the milk preparation equipment 10 more compact and facilitating its miniaturization.

[0116] It should be noted that the second switching valve 130 can be implemented in various ways, including but not limited to at least one of a manual valve, a gravity first switching valve 226, and an electric valve, as long as it can achieve the above-mentioned on / off control.

[0117] like Figure 16 as well as Figure 17 As shown, in some embodiments, the first switching valve 226 and the second switching valve 130 cooperate to form a three-way valve.

[0118] In other embodiments, both the first and second switching valves are two-way valves. Thus, when the formula preparation equipment needs to use both the heat preservation and drying functions simultaneously, the first air vent is opened, the first switching valve opens the first air duct, and the second switching valve opens the second air duct, connecting the ventilation chamber to both the heat preservation chamber and the sterilization chamber. This allows warm air generated by the warm air generating component to be sent into the heat preservation chamber through the ventilation chamber for heat preservation or heating, and also allows warm air to be sent into the sterilization chamber to dry bottles and other items.

[0119] like Figure 18 as well as Figure 19As shown, in some embodiments, the fan housing assembly 220 includes an air inlet 2201 for connecting to the warm air generating assembly 210. One end of the annular guide channel 201 is connected to the air inlet 2201, and the other end is connected to the first air duct 2213 and the second air duct 120. Thus, the warm air generated by the warm air generating assembly 210 enters the annular guide channel 201 through the air inlet 2201 and is guided to the first air duct 2213 and / or the second air duct 120 through the annular guide channel 201, so that at least part of the warm air can surround the cavity 222, and part of the sidewall of the cavity 222 can be surrounded by the warm air, which is beneficial to improving the heat uniformity of the insulation cavity.

[0120] It should be noted that the temperature of the "warm air" can be flexibly set according to the desired milk-warming temperature required by the warming chamber. For example, 37℃~50℃, 37℃~40℃, 38℃~42℃, etc.

[0121] It should be noted that the warm air generating component 210 can be implemented in various ways, as long as it can generate warm air suitable for warming milk. For example, it can be a fan heater 211, a blower, etc.

[0122] like Figure 19 As shown, in some embodiments, the warm air generating component 210 includes a fan 211 and a heating element 212, with the heating element 212 disposed between the outlet of the fan 211 and the air inlet 2201.

[0123] It should be noted that the "heating element" can be any existing heating device that can achieve the above functions, such as a heating tube, a PTC (Positive Temperature Coefficient) heating element, etc.

[0124] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0125] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0126] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0127] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0128] It should be noted that when a component is referred to as "fixed to," "set on," "fixed to," or "mounted on" another component, it can be directly on the other component or there may be an intervening component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intervening component.

[0129] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0130] The above embodiments are merely illustrative of several implementation methods of this disclosure, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of this disclosure, and these modifications and improvements all fall within the protection scope of this disclosure.

Claims

1. A wind housing assembly, characterized in that, include: The outer casing (221) is provided with a ventilation cavity (2211); A cavity (222) is inserted into the ventilation cavity (2211) and fixedly connected to the outer shell (221). The cavity (222) is provided with a receiving cavity (2221) and a first air vent (2222) disposed on the side wall of the receiving cavity (2221). The opening (2001) of the receiving cavity (2221) is disposed outside the ventilation cavity (2211), and the first air vent (2222) communicates with the ventilation cavity (2211). The shielding member (223) is movably connected to at least one of the outer shell (221) and the cavity (222), and has an open state of opening the first air vent (2222) and a closed state of closing the first air vent (2222); as well as A load-bearing member (224) is disposed at the bottom of the receiving cavity (2221). The load-bearing member (224) is slidably connected to at least one of the outer shell (221) and the cavity (222), and is kinetically connected to the shielding member (223) to have a load-bearing state that puts the shielding member (223) in the open state and a non-load-bearing state that puts the shielding member (223) in the closed state.

2. The wind housing assembly according to claim 1, characterized in that, The shielding member (223) and / or the load-bearing member (224) can be reset so that the shielding member (223) is reset to the closed state.

3. The wind housing assembly according to claim 2, characterized in that, The wind housing assembly also includes a locking unit disposed on the housing (221), the locking unit having a locked state that locks the shield (223) in an open state and an unlocked state that releases the shield (223); When the locking unit is in the unlocked state, the shielding member (223) and / or the load-bearing member (224) can be reset so that the shielding member (223) is reset to the closed state.

4. The wind housing assembly according to claim 2, characterized in that, The wind shell assembly further includes a first reset member (225), which is disposed between the load-bearing member (224) and the outer shell (221) or the cavity (222) to reset the load-bearing member (224) to the non-load-bearing state and drive the shielding member (223) to reset to the closed state. And / or, the wind housing assembly further includes a second reset member disposed between the shield (223) and the outer shell (221) or the cavity (222) to reset the shield (223) to the closed state.

5. The wind housing assembly according to claim 1, characterized in that, The load-bearing component (224) is fixedly connected to the shielding component (223), and the bottom of the receiving cavity (2221) is provided with a clearance hole (2002). The load-bearing component (224) is slidably disposed between the clearance hole (2002) and the bottom of the ventilation cavity (2211). When the load-bearing component (224) is in a non-load-bearing state, the load-bearing component (224) closes the clearance hole (2002), and the shielding component (223) closes the first air vent (2222); when the load-bearing component (224) is in the load-bearing state, the clearance hole (2002) is spaced apart from the load-bearing component (224), and the first air vent (2222) is opened so that the receiving cavity (2221) communicates with the ventilation cavity (2211) through the first air vent (2222).

6. The wind housing assembly according to claim 5, characterized in that, The load-bearing component (224) and the shielding component (223) are integrally formed; And / or, the outer wall of the cavity (222) and the inner wall of the ventilation cavity (2211) are spaced apart to form an annular flow channel (201), and the first air outlet (2222) is connected to the annular flow channel (201).

7. The wind housing assembly according to claim 6, characterized in that, The first air outlet (2222) includes multiple outlets and is spaced apart along the annular guide channel (201).

8. The wind housing assembly according to claim 7, characterized in that, The shielding member (223) includes a first baffle (2231) corresponding one-to-one with the first air vent (2222), and two adjacent first baffles (2231) are spaced apart to form a second air vent (2232); when the load-bearing member (224) is in a non-load-bearing state, the load-bearing member (224) closes the clearance hole (2002), the first baffle (2231) closes the first air vent (2222), and the side wall of the cavity (222) closes the second air vent (2232); when the load-bearing member (224) is in the load-bearing state, the clearance hole (2002) is spaced apart from the load-bearing member (224), and the first air vent (2222) and the second air vent (2232) are opened so that the receiving cavity (2221) communicates with the ventilation cavity (2211) through the first air vent (2222) and the second air vent (2232).

9. The wind housing assembly according to claim 8, characterized in that, The second air vent (2232) includes multiple vents and is spaced apart along the annular guide channel (201); the cavity (222) is provided with a second baffle (2223) corresponding to each of the second air vents (2232); when the load-bearing component (224) is in a non-load-bearing state, the second baffle (2223) closes the second air vent (2232); when the load-bearing component (224) is in the load-bearing state, the second baffle (2223) opens the second air vent (2232).

10. The wind housing assembly according to claim 9, characterized in that, The first air vent (2222) is formed by two adjacent second baffles (2223) spaced apart; And / or, the second baffle (2223) is provided with a guide rail (2003), and the guide rails (2003) of two adjacent second baffles (2223) are spaced apart to form a groove (2004), and at least a portion of the first baffle (2231) is embedded in the groove (2004) and is guided and cooperated with the guide rail (2003).

11. The wind housing assembly according to claim 5, characterized in that, The shielding element (223) is slidably connected to the cavity (222).

12. The wind housing assembly according to claim 1, characterized in that, The bottom of the receiving cavity (2221) is provided with a connecting hole (2005), the load-bearing member (224) is provided with a guide member (2241) that is slidably connected to the connecting hole (2005) and a trigger part (2242) fixed to the end of the guide member (2241), the guide member (2241) is connected to the shielding member in a transmission manner; When the load-bearing member (224) is in a non-load-bearing state, at least a portion of the guide member (2241) extends into the receiving cavity (2221) so that the trigger part (2242) protrudes from the receiving cavity (2221); When the load-bearing component (224) is under load, the trigger part (2242) is positioned close to or against the bottom of the receiving cavity (2221).

13. The wind housing assembly according to claim 12, characterized in that, The first air vent (2222) is located at the bottom of the receiving cavity (2221), the shielding member (223) is rotatably disposed in the cavity (222), the shielding member (223) is fan-shaped and is provided with a gear structure (2233), and the guide member (2241) is provided with a first rack structure (2006) that is in transmission cooperation with the gear structure (2233); Alternatively, the wind housing assembly may further include a transmission unit, through which the guide (2241) drives the shield (223) to move.

14. The wind housing assembly according to claim 13, characterized in that, The shielding member (223) is rotatably disposed on the outer shell (221), the guide member (2241) is provided with a second rack structure (2007), the transmission unit includes a transmission rope (2271), a gear (2272) that is driven and engaged with the second rack structure (2007), and a rotating shaft (2273) that is driven and connected to the gear (2272). The gear (2272) and the rotating shaft (2273) are rotatably disposed in the cavity (222), one end of the transmission rope (2271) is wound around the rotating shaft (2273), and the other end is fixed to the shielding member (223); Alternatively, the shielding member (223) can be rotatably disposed in the cavity (222), and the transmission unit includes a screw (2274) fixedly connected to the guide member (2241), a nut (2275) threadedly engaged with the screw (2274), and a transmission member connecting the nut (2275) and the shielding member (223), wherein the nut (2275) and the shielding member (223) rotate coaxially; Alternatively, the shielding member (223) is slidably connected to the cavity (222), and the transmission unit includes a connecting rod (2276), one end of which is rotatably connected to the guide member (2241), and the other end is rotatably connected to the shielding member (223); Alternatively, the shielding member (223) is slidably connected to the cavity (222), and the sliding direction of the shielding member (223) is set in the same direction as the sliding direction of the guide member (2241); the transmission unit includes a connecting member (2277), and the guide member (2241) is fixedly connected to the shielding member (223) through the connecting member (2277).

15. The wind housing assembly according to claim 1, characterized in that, The outer shell (221) also includes an expansion cavity (2212), which is disposed above the cavity (222) and communicates with the receiving cavity (2221).

16. The wind housing assembly according to claim 15, characterized in that, The outer casing (221) is also provided with a first air duct (2213) communicating with the ventilation cavity (2211) and the expansion cavity (2212). The air casing assembly also includes a first switching valve (226) disposed in the first air duct (2213). The first switching valve (226) is used to open or close the first air duct (2213).

17. The wind housing assembly according to any one of claims 1 to 16, characterized in that, The cavity (222) further includes a limiting ring (2224) disposed at the opening (2001) of the receiving cavity (2221), and the limiting ring (2224) and the load-bearing member (224) are spaced apart along the depth direction of the receiving cavity (2221).

18. A heating device, characterized in that, It includes a warm air generating component (210) and a fan housing assembly as described in any one of claims 1 to 17, wherein the air outlet of the warm air generating component (210) is connected to the ventilation cavity (2211).

19. A formula preparation device, characterized in that, It includes a housing assembly (100) and a heating device (200) as described in claim 18, the heating device (200) being disposed on the housing assembly (100).

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