Range hood

Abstract

The application relates to the technical field of range hoods, and discloses a range hood, wherein the range hood comprises a machine shell, a smoke suction device, a steam generation assembly and a water supply assembly. The smoke suction device is connected to the machine shell. The steam generation assembly is connected to the machine shell and is used for heating liquid medium to generate steam to clean the smoke suction device. The water supply assembly comprises a water supply flow path and a water injection opening connected to the water supply flow path, the water supply flow path is communicated with the steam generation assembly, and the water supply assembly is movably arranged on the machine shell to have a working state and a storage state. The technical scheme of the application can realize convenient replenishment and stable delivery of the liquid medium, simultaneously solve the problem that accessories are easy to be lost, simplify the internal layout and stably realize steam cleaning.

Description

Technical Field

[0001] This application relates to the field of range hood technology, and in particular to a range hood. Background Technology

[0002] Range hoods are essential appliances in every kitchen. Over time, their internal smoke extraction mechanisms accumulate grease and grime, affecting smoke extraction efficiency and fostering bacterial growth, requiring regular cleaning. To simplify the cleaning process, most range hoods now feature a steam cleaning function. This function uses a steam generator to produce high-temperature steam that dissolves grease, replacing manual cleaning and improving ease of use.

[0003] However, existing steam cleaning solutions for range hoods have obvious limitations: the process of replenishing the liquid medium required for steam cleaning is cumbersome and inconvenient to operate, requiring complex steps to complete the replenishment, which causes trouble for users in daily use. Summary of the Invention

[0004] This application provides a range hood that enables convenient replenishment and stable delivery of liquid media, solves the problem of easy loss of accessories, simplifies the internal layout, and stably achieves steam cleaning.

[0005] This application provides a range hood, which includes:

[0006] chassis;

[0007] A smoking device, connected to the housing;

[0008] A steam generating assembly, connected to the housing, is used to heat a liquid medium to generate steam for cleaning the smoking device; and

[0009] A water supply assembly includes a water supply path and a water inlet connected to the water supply path. The water supply path is connected to the steam generating assembly. The water supply assembly is movably disposed on the housing to have a working state and a stored state.

[0010] When the water supply component is in the working state, the water inlet is exposed outside the housing;

[0011] When the water supply component is in the retracted state, the water inlet is covered inside the casing.

[0012] In some embodiments, the housing has an installation port communicating with the interior, and the water supply assembly includes:

[0013] A movable component is movably connected to the housing, and the movable component can pass through the mounting port and move relative to the housing.

[0014] A pipeline component, one end of which is connected to the steam generating assembly, and the other end of which is provided with the water inlet;

[0015] When in the retracted state, both the movable component and the piping component are housed within the casing;

[0016] When in the working state, the ends of the movable component and the pipeline component with water inlets both extend outside the housing.

[0017] In some embodiments, the housing includes a housing body and a fixing base. The smoking device and the steam generating assembly are both connected to the housing body. The housing body has the mounting port. The fixing base is fixedly connected to the housing body and is disposed opposite to the mounting port.

[0018] The movable component is slidably connected to the fixed base to switch between the storage state and the working state, and the fixed base is used to accommodate the pipeline component in the storage state.

[0019] In some embodiments, the fixed base is provided with a guide opening that extends through two opposing surfaces. The guide opening is disposed opposite to the mounting opening. The movable member passes through the guide opening and is slidably connected to the fixed base, so that the movable member switches between the storage state and the working state.

[0020] In some embodiments, the movable member includes a sliding part and a snap-fit ​​part connected together, the sliding part passing through the guide opening to slide with the fixed base;

[0021] The snap-fit ​​port is used to snap and fix it to the water injection container.

[0022] In some embodiments, the sliding part includes two sliders and a limiting block. Both sliders are connected to the snap-fit ​​part. The sliders are slidably engaged with the fixed base. The limiting block is connected to the end of the slider away from the snap-fit ​​part. Along the sliding direction of the slider, the cross-sectional area of ​​the limiting block is larger than the cross-sectional area of ​​the guide opening.

[0023] And / or, the snap-fit ​​portion has a snap-fit ​​opening extending in the vertical direction.

[0024] In some embodiments, the piping component includes a flexible pipe and a connecting end cap, one end of the flexible pipe is connected to the steam generating assembly, the other end of the flexible pipe is connected to the connecting end cap, the flexible pipe is provided with the water supply path, and the connecting end cap is provided with the water inlet;

[0025] The connecting end cap is used for detachable connection with the water injection container when the movable component is in the working state.

[0026] In some embodiments, the flexible tube is extendable or retractable along its own length.

[0027] In some embodiments, the fixing seat has a recessed receiving groove along the sliding direction of the movable member, the receiving groove being located below the guide opening, and the receiving groove being used to receive the connecting end cap when the movable member is in the retracted state.

[0028] In some embodiments, the water supply assembly further includes a decorative cover plate connected to the movable member;

[0029] In the retracted state, the surface of the decorative cover facing away from the movable component is coplanar with the outer surface of the housing.

[0030] In some embodiments, the sidewall of the decorative cover is recessed with a snap-fit ​​groove for external force to move the movable member relative to the fixed seat.

[0031] Based on the above embodiments, by movably mounting the water supply component within the casing and enabling switchable working and retracted states, the water inlet is exposed when the component is in operation, facilitating convenient replenishment of the liquid medium and simplifying the water replenishment operation for steam cleaning. When retracted, the water inlet is concealed within the casing, providing effective protection and maintaining the overall neat appearance of the range hood. Furthermore, the elimination of a fixed, integrated water storage structure avoids occupying internal and external space, optimizing the layout of internal components. Combined with the connection structure between the water supply path and the steam generating component, it ensures a stable supply of liquid medium to the steam generating component, guaranteeing the reliable steam cleaning function of the fume extraction device. In addition, the integrated design of the water supply component and the casing, rather than being separate components, effectively avoids the problem of easily lost accessories. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of the water supply component of the range hood in this application in the working state;

[0034] Figure 2 This is a schematic diagram of the water supply component of the range hood in this application in the working state from another perspective;

[0035] Figure 3 This is another structural schematic diagram showing the water supply component of the range hood in operation.

[0036] Figure 4 This is a cross-sectional view of the water supply component of the range hood in this application in a retracted state.

[0037] Figure 5 This is a structural schematic diagram of the water supply components and water injection container of the range hood in this application;

[0038] Figure 6 This is a schematic diagram of the water supply component of the range hood in the present application in a retracted state;

[0039] Figure 7 This is an exploded structural diagram of the water supply component of the range hood in this application;

[0040] Figure 8 This is an exploded structural diagram of the water supply component of the range hood in this application from another perspective.

[0041] Explanation of icon numbers:

[0042] 100. Range hood;

[0043] 10. Housing; 11. Housing body; 111. Mounting port; 12. Mounting base; 121. Guide port; 122. Receiving groove;

[0044] 20. Smoking device; 21. Volute; 22. Impeller;

[0045] 30. Steam generating assembly; 31. Steam generator; 32. Nozzle;

[0046] 50. Water supply component; 52. Moving component; 521. Sliding part; 5211. Slider; 5212. Limiting block; 522. Snap-fit ​​part; 5221. Snap-fit ​​port; 53. Pipeline component; 531. Flexible pipe; 532. Connecting end cap; 5321. Water inlet; 54. Decorative cover plate; 541. Socket;

[0047] 200. Water inlet container; 201. Water outlet.

[0048] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0050] Where the following description relates to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0051] In the description of this application, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Furthermore, in the description of this application, unless otherwise stated, "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship.

[0052] 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 application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0053] Range hoods are essential appliances in every kitchen. However, their internal smoke extraction mechanisms tend to accumulate grease and grime over time, affecting smoke extraction efficiency and fostering bacterial growth, requiring regular cleaning. To simplify the cleaning process, most range hoods now feature a steam cleaning function. This function uses a dedicated water tank to provide a liquid medium, which is heated by a steam generator to produce high-temperature steam that dissolves grease and grime, replacing manual cleaning and improving ease of use.

[0054] However, existing steam cleaning solutions for range hoods have obvious limitations: the process of replenishing the liquid medium required for steam cleaning is cumbersome and inconvenient to operate, requiring complex steps to complete the replenishment, which causes trouble for users in daily use.

[0055] To resolve the above issues, please refer to [link / reference]. Figures 1 to 3 The first aspect of this application discloses a range hood 100, which is installed above the cooking area to absorb and exhaust cooking fumes generated during cooking, thereby maintaining a clean and comfortable kitchen environment. The range hood 100 includes a housing 10, a fume extraction device 20, a steam generating assembly 30, and a water supply assembly 50.

[0056] The housing 10 provides mounting support for all components. The housing 10 forms the smoke collection chamber.

[0057] The fume extraction device 20 is connected to the housing 10. The fume extraction device 20 includes a volute 21 and an impeller 22 rotatably disposed within the volute 21. The volute 21 forms a fume adsorption and exhaust channel, and the rotating impeller 22 generates negative pressure to draw in and exhaust kitchen fumes. When the range hood 100 starts operating, the fume extraction device 20 operates to create negative pressure at the smoke collection chamber. The smoke collection chamber captures and concentrates the fumes generated during cooking, and the fumes are accelerated into the flue and discharged outdoors through the fume extraction device 20.

[0058] The steam generating assembly 30 is connected to the housing 10 and includes a steam generator 31 and a nozzle 32. The steam generator 31 has a steam chamber inside, which heats the liquid medium within the steam chamber, causing it to vaporize and generate high-temperature steam. This high-temperature steam is then precisely sprayed through the nozzle 32 onto the surfaces of components of the fumigation device 20 that are prone to oil accumulation, such as the volute 21 and impeller 22. This allows for cleaning of these oil-prone components when the fumigation device 20 is not in operation, replacing manual cleaning and simplifying user operation. The liquid medium can be water or a cleaning solution.

[0059] Combined with reference Figure 1 and Figure 4 The water supply component 50 includes a water supply path and a water inlet 5321 connected to the water supply path. The water inlet 5321 serves as a liquid medium injection port, forming a through-flow channel with the water supply path to ensure that clean water or cleaning fluid added by the user can flow directly into the water supply path through the water inlet. The water supply path is connected to the steam generating component, specifically, it is connected to the steam generator (internal steam chamber) of the steam generating component. This allows the liquid medium in the water supply path to be stably delivered to the steam chamber of the steam generator, providing a continuous supply of liquid medium for the steam generator to heat and generate high-temperature clean steam.

[0060] The water supply component 50 is movably mounted on the housing 10, allowing for both a working state and a retracted state. When the water supply component 50 is in the working state, the water inlet 5321 is exposed outside the housing 10, facilitating the user to add clean water or cleaning fluid to the water supply path via the water inlet 5321. When the water supply component 50 is in the retracted state, the water inlet 5321 is concealed within the housing 10, maintaining the clean and unified appearance of the range hood while also providing dust protection and protection for the water inlet 5321. Common movable connection methods between the water supply component 50 and the housing 10 can include sliding fit or rotational fit. For example, when the water supply component 50 and the housing 10 are in a sliding fit, the entire water supply component 50 can be pulled and moved along the matching guide rail or slide groove on the housing 10. When pulled out to the front face of the housing 10, it is in the working state, thus exposing the water inlet. When pushed in, it is housed inside the housing 10 for storage. Alternatively, the water supply component 50 can slide to avoid blocking the water inlet 5321, thus exposing the water inlet 5321. When a rotational fit is used, the water supply component 50 can be flipped or rotated around the connection point on the housing 10. When rotated out from inside the housing 10 to the front face, it is in the working state; when rotated back into the housing 10, it is in the stored state. These switching methods do not affect the integrity and unity of the overall appearance of the range hood 100, make full use of the internal space of the housing 10, avoid the water supply component 50 occupying additional external space, and can adapt to the structural design requirements of different products, making it more practical and versatile.

[0061] Based on the above embodiments, by movably mounting the water supply component 50 onto the housing 10 and creating a switchable working and retractable state, the water inlet 5321 is exposed when the water supply component 50 is in the working state, allowing for convenient replenishment of the liquid medium and simplifying the water replenishment operation for steam cleaning. When in the retracted state, the water inlet 5321 is covered by the housing 10, effectively protecting the water inlet 5321 and maintaining the neat overall appearance of the range hood 100. Furthermore, it eliminates the need for a fixed integrated water storage structure, avoiding the occupation of internal and external space within the housing 10 and optimizing the internal component layout. Simultaneously, the connection structure between the water supply path and the steam generating component 30 ensures a stable supply of liquid medium to the steam generating component 30, guaranteeing the reliable implementation of the steam cleaning function of the smoke extraction device 20. In addition, the water supply component 50 is integrated with the housing 10, rather than being an independent and scattered component, effectively avoiding the problem of easily lost accessories.

[0062] Reference Figure 1 as well as Figure 5In some embodiments, the housing 10 has an installation port 111 that connects to the interior. The water supply assembly includes a movable component 52 and a pipe component 53. The movable component 52 is movably connected to the housing 10. The movable component 52 can pass through the installation port and move relative to the housing 10. The installation port 111 provides a passage for the movable component 52 and the pipe component 53 to move relative to the housing 10, realizing the state switching of the water supply assembly inside and outside the housing. The movable component 52, as a movable support component of the water supply assembly, passes through the installation port 111 to achieve movable cooperation with the housing 10, driving the pipe component 53 to move synchronously. One end of the pipe component 53 is connected to the steam generating assembly 30, and the other end has a water inlet. The pipe component 53 has both liquid transportation and water injection functions. One end is connected to the steam generating assembly 30 to ensure a stable supply of liquid medium, and the other end has a water inlet 5321 for adding clean water or cleaning fluid. When in the storage state, both the movable component 52 and the pipe component 53 are housed inside the casing 10, which can completely hide the water supply assembly inside the casing, without occupying external space and maintaining the integrated and beautiful appearance of the range hood. When in the working state, the ends of the movable component 52 and the pipe component 53 with water inlets extend out of the casing 10, greatly expanding the water injection operation space and making it convenient for users to add liquid medium. At the same time, the pipe component 53 is stably connected to the steam generating assembly 30, ensuring smooth steam cleaning water supply. This split structure design takes into account both structural rationality and ease of use.

[0063] Combined with reference Figures 5 to 7 Furthermore, the housing 10 includes a housing body 11 and a fixing seat 12. The fumigation device 20 and the steam generating assembly 30 are both connected inside the housing body 11. The housing body 11 has an installation port 111. The fixing seat 12 is fixedly connected inside the housing body 11 and is arranged opposite to the installation port 111. The housing body 11 provides installation support and external protection for internal components such as the fumigation device 20 and the steam generating assembly 30. The installation port 111 is used to provide passage and clearance space for the movable component 52 and the pipeline component to move and expand. The fixing seat 12 is correspondingly arranged with the installation port 111 and can accommodate the movable component. 52 provides a stable assembly guide base; the movable component 52 is slidably connected to the fixed seat 12 to switch between the storage state and the working state. The sliding connection ensures that the movable component 52 moves smoothly and the state switching operation is more convenient. The fixed seat 12 is used to accommodate the pipeline component in the storage state, which can neatly position the pipeline component and prevent the pipeline component from shaking, shifting or occupying extra space inside the housing 10. This structural design not only optimizes the rationality of the internal layout of the housing 10, but also improves the stability and reliability of the water supply component 50 state switching, making the overall structure more compact and durable.

[0064] Furthermore, the fixed base 12 is provided with a guide opening 121 that penetrates the two opposing surfaces. The guide opening 121 is arranged opposite to the mounting opening 111. The movable member 52 passes through the guide opening 121 and is slidably connected to the fixed base 12. The guide opening 121 is used to guide the movable member 52 to slide relative to the fixed base 12 so that the movable member 52 can switch between the storage state and the working state. The guide port 121 provides a regular and fixed sliding guide path for the movable component 52, effectively limiting radial offset, circumferential rotation and up-and-down swaying of the movable component 52 during sliding, ensuring that the movement trajectory of the movable component 52 is accurate and controllable. On the one hand, it ensures that when the movable component 52 switches to the working state, it can accurately reach the preset position, providing a reliable guarantee for the accurate connection between the water injection container 200 and the pipeline component 53, avoiding problems such as poor connection and liquid medium leakage due to the position deviation of the movable component 52. On the other hand, it also allows the movable component 52 to be smoothly and neatly housed when switching to the storage state, maintaining the compactness of the overall structure of the water supply component 50. At the same time, the sliding fit also makes the state switching operation of the movable component 52 simple and direct, reducing the difficulty of operation for users.

[0065] Furthermore, the movable component 52 includes a sliding part 521 and a snap-fit ​​part 522 connected together. The sliding part 521 passes through the guide opening 121 to slide and engage with the fixed base 12. The snap-fit ​​part 522 is used to snap and fix with the water injection container 200. The sliding part 521 and the snap-fit ​​part 522 can be integrally formed or fixedly connected by welding, screwing, etc. The two have clear division of labor. The sliding part 521, as the cooperating part between the movable component 52 and the fixed base 12, only undertakes the functions of sliding guidance and state switching, ensuring that the movable component 52 moves smoothly between the storage and working states. The snap-fit ​​part 522 is specifically used to realize the detachable connection with the water injection container 200, which can realize the quick disassembly and assembly and stable positioning of the water injection container 200. It should be noted that the water injection container 200 is used to contain liquid media. Its design has high flexibility and adaptability. It can be a specially designed container with a specific structure to adapt to the water supply component 50 of this range hood 100, so as to meet the specific use requirements such as connection stability and sealing reliability. It is also compatible with existing household water bottles of different capacities. Users can flexibly choose suitable containers such as small-capacity portable water bottles or large-capacity drinking water buckets according to the amount of liquid required for a single cleaning, without being limited to the dedicated water tank specially customized for the range hood 100. Various household containers with water storage functions, such as mineral water bottles, purified water jugs, and household water cups, can be used directly without the need to purchase additional dedicated accessories. This not only effectively reduces user costs but also avoids the waste of unused dedicated accessories, significantly improving the product's versatility and ease of use. Users no longer need to prepare special containers for the steam cleaning function, making daily use more worry-free and efficient.

[0066] It should be noted that the connection between the water injection container 200 and the water injection port 5321 can be achieved in two ways: First, the water injection container 200 can be directly connected to the water injection port while it is snapped into the snap-fit ​​part 522, with the container snapping and fluid conduction being achieved simultaneously; Second, the water injection container 200 can be first snapped into the snap-fit ​​part 522 for positioning and fixation, and then connected to the water injection port through subsequent operations, with the snapping and fluid conduction being achieved step by step. The two connection methods can be flexibly selected to adapt to different structural layouts and usage requirements.

[0067] Combined with reference Figure 8 Optionally, the snap-fit ​​part 522 has a snap-fit ​​opening 5221 extending vertically. The snap-fit ​​opening 5221 extends vertically, allowing the water injection container 200 to be directly snapped into the interface vertically without lateral adjustment or complex alignment, making installation simpler and more efficient. Simultaneously, the vertical snap-fit ​​design utilizes the weight of the water injection container 200 itself to further enhance the stability of the snap-fit, preventing the container from loosening or tilting during use. It also ensures that after the water injection container 200 is snapped in, its outlet precisely aligns with the pipe component 53, ensuring smooth flow of the liquid medium and improving the stability of the steam cleaning process.

[0068] Furthermore, the snap-fit ​​part 522 is arc-shaped on the inner wall surface of the snap-fit ​​opening 5221. The arc-shaped structure of the inner wall surface of the snap-fit ​​opening 5221 can be adapted to the outer contour of the common round bottle body and round mouth water container 200 (such as mineral water bottle, water cup, etc.), so as to achieve surface contact between the container and the snap-fit ​​part 522. Compared with the flat inner wall, it can greatly increase the contact area, improve the stability of the snap-fit, effectively prevent the water container 200 from shaking or shifting after snap-fit, and ensure the stability of the connection between the container and the pipeline component 53. Meanwhile, the curved inner wall has no sharp edges, so it will not scratch the outer wall of the container during the process of inserting or removing the water container 200 in the vertical direction, thus avoiding damage to the container. It can also reduce the frictional resistance between the container and the locking part 522, making the locking and disassembly operations smoother. In addition, the curved structure has a wider range of adaptability and can be compatible with round bottles of different thicknesses within a certain size range, further improving the adaptability of the moving part 52 to different water containers 200.

[0069] In addition, the snap-fit ​​part 522 can also be provided with a snap-fit ​​protrusion that can be elastically deformed, and the water injection container 200 is provided with a matching snap-fit ​​groove at the corresponding position. The snap-fit ​​protrusion and the groove are engaged to achieve quick fixation and disassembly. The third is a ring clamp snap-fit, in which the snap-fit ​​part 522 is provided with an adjustable ring clamp, which is fitted and fixed to the neck or bottom of the water injection container 200 to adapt to containers of different diameters. The fourth is a convex-concave fitting snap-fit, in which the snap-fit ​​part 522 is provided with a protruding structure, and the water injection container 200 is provided with a corresponding concave structure. The two fit together to achieve snap-fit ​​positioning.

[0070] Reference Figures 6 to 8 In some embodiments, the sliding part 521 includes two sliders 5211 and a limiting block 5212. Both sliders 5211 are connected to the locking part 522. The sliders 5211 are slidably engaged with the fixed base 12. The limiting block 5212 is connected to the end of the slider 5211 away from the locking part 522. Along the sliding direction of the slider 5211, the cross-sectional area of ​​the limiting block 5212 is larger than the cross-sectional area of ​​the guide opening 121. The sliding part 521 adopts a structure design of two sliders 5211. The two sliders 5211 are symmetrically distributed and firmly connected to the locking part 522. Compared with the structure of a single slider 5211, two sliders 5211 can provide more balanced support force for the movable component 52. During the sliding of the movable component 52 and the carrying of the water injection container 200, it effectively avoids the movable component 52 from tilting or shaking due to unilateral force, ensuring the smoothness of the sliding process of the movable component 52, and improving the support stability of the movable component 52 for the water injection container 200. The limiting block 5212 is connected to the end of the slider 5211 away from the locking part 522, and its cross-sectional area along the sliding direction of the slider 5211 is larger than the cross-sectional area of ​​the guide opening 121, thus forming an effective mechanical limiting structure. When the movable component 52 slides outward to the limit position of the working state, the limiting block 5212 will abut against the wall surface of the guide opening 121 on the fixed seat 12, preventing the slider 5211 from continuing to slide outward. Structurally, this prevents the movable component 52 from detaching from the fixed seat 12 due to excessive pulling, preventing the movable component 52 from falling off or being damaged, and ensuring the safety and structural integrity of the water supply component 50. At the same time, this limiting structure does not require additional limiting accessories. It can achieve the limiting function by relying on the size matching of the component itself. The structure is simple, the processing and assembly difficulty is low, and it can also accurately limit the sliding stroke of the movable component 52, ensuring that the movable component 52 can reach a uniform preset position every time it switches to the working state, further ensuring the accuracy of the docking between the water injection container 200 and the pipeline component 53.

[0071] Reference Figures 6 to 8In some embodiments, the piping component 53 includes a flexible pipe 531 and a connecting end cap 532. One end of the flexible pipe 531 is connected to the steam generating assembly 30, and the other end of the flexible pipe 531 is connected to the connecting end cap 532. The flexible pipe 531 is provided with a water supply path, and the connecting end cap 532 is provided with a water inlet 5321. The water filling container 200 is provided with a water outlet 201, which is connected to the interior of the water filling container 200. The connecting end cap 532 is used to detachably connect to the water filling container 200 when the movable component 52 is in the working state, so as to connect and communicate with the water outlet 201. The flexible tube 531 can be made of silicone tubing. This material has good flexibility, high temperature resistance, and corrosion resistance. It can adapt to the positional changes of the moving component 52 when sliding between the retracted and working states. It can bend and deform freely with the movement of the moving component 52 without pulling or obstructing its sliding. It can also withstand the high temperature environment of the steam generating assembly 30 during operation. It is not prone to aging or cracking after long-term use. At the same time, the food-grade material can avoid contaminating the transported liquid medium and ensure hygiene and safety. The two ends of the flexible tube 531 can be sealed to the steam generating assembly 30 and the connecting end cap 532 respectively by sealing joints, clamps, or heat fusion to prevent leakage of the liquid medium at the pipeline connection. The connecting end cap 532 is mostly made of high temperature resistant engineering plastic or stainless steel. Its inner wall can be provided with internal threads, sealing grooves, or sealing gaskets to form a detachable connection with the water outlet interface 201 of the water injection container 200, such as threaded connection, snap-fit, or interference fit. When the movable component 52 slides to the working state, the connecting end cap 532 quickly connects with the water outlet 201 and achieves a sealed connection. This ensures that the liquid medium flows smoothly from the water injection container 200 into the flexible pipe 531 and then to the steam generating component 30. It also allows for quick disassembly when the water injection container 200 needs to be removed, making operation convenient. The sealing structure design also effectively prevents leakage and seepage at the connection point, ensuring the airtightness of the liquid delivery. The outer wall of the water outlet 201 can be provided with external threads, bosses, and other structures that are compatible with the connecting end cap 532, facilitating precise connection with the connecting end cap 532. At the same time, the size of the water outlet 201 can be adapted to the standard bottle interface specifications, further improving the compatibility of the pipeline component 53 with different water injection containers 200.

[0072] The interface design of the water filling container 200 can flexibly adapt to different usage needs, specifically in two forms: First, the water filling container 200 has only one water outlet 201, which serves as both a water outlet and inlet. That is, when adding liquid media to the water filling container 200, it can be directly injected through this water outlet 201 without the need for a separate water inlet structure on the container. This design simplifies the overall structure of the water filling container 200, reduces manufacturing difficulty and cost, and better adapts to conventional single-necked water bottles (such as ordinary mineral water bottles and purified water containers), further expanding the compatibility range of the water filling container 200; Second, the water filling container 200, in addition to the aforementioned water outlet... In addition to interface 201, a separate water inlet interface can also be provided. The water inlet interface can be equipped with a sealing cap or sealing plug. When adding liquid, the user only needs to open the sealing cap to complete the filling through the water inlet interface. After filling, the sealing cap is closed to achieve a seal, which can prevent leakage caused by container shaking or tipping during the liquid medium transportation process. At the same time, the water outlet interface 201 can focus on realizing the water outlet function of docking with the connecting end cap 532. It can further optimize the sealing structure design of the water outlet interface 201, improve the sealing performance and reliability of the water outlet docking, and adapt to the application scenarios with high requirements for the sealing performance of liquid transportation. The two interface designs can be flexibly selected according to the actual needs of the product, taking into account both ease of use and structural reliability.

[0073] Furthermore, when the water injection container 200 is connected to the movable component 52, the water outlet 201 is positioned downwards. The steam generating assembly 30 has an internal water inlet, which is lower than the water outlet 201. This layout design fully utilizes the principle of gravity flow to transport the liquid medium, eliminating the need for additional power-driven components such as water pumps. This effectively simplifies the overall structure of the steam water supply system and reduces manufacturing costs and the risk of electrical and mechanical failures. The downward-facing water outlet 201, combined with the low-positioned water inlet, allows the liquid medium in the water injection container 200 to automatically and stably flow through the water outlet 201, the connecting end cap 532, and the flexible tube 531 under its own gravity, towards the water inlet of the steam generating assembly 30 and into its internal steam chamber. The water supply process is continuous and smooth, without problems such as water supply interruption or insufficient flow due to insufficient power. Meanwhile, the downward orientation of the water outlet 201 can maximize the drainage of the liquid medium in the water injection container 200, reduce the accumulation of liquid residue inside the container, prevent the liquid medium from deteriorating and breeding bacteria due to long-term accumulation, ensure the hygiene of liquid transportation, and also ensure that the steam generating component 30 receives a sufficient and stable liquid supply, providing a reliable guarantee for the continuous generation of high-temperature steam and improving the effect and stability of steam cleaning.

[0074] Optionally, the flexible tube 531 can extend and retract along its own length. The flexible tube 531's extension and retraction along its own length allows it to better adapt to the positional changes of the movable component 52 as it slides between the retracted and operating states. When the movable component 52 slides outward and switches to the operating state, the flexible tube 531 can stretch synchronously with the displacement of the movable component 52, preventing excessive tension or pulling of the fixed-length pipe due to the outward pulling of the movable component 52. This effectively prevents loosening, detachment, or leakage at the connection points between the flexible tube 531 and the steam generating assembly 30 and the connecting end cap 532 due to tension, ensuring the sealing of the liquid transport. When the movable component 52 retracts inward and switches to the retracted state, the flexible tube 531 can automatically retract and reset, preventing problems such as excessive pipe length, messy stacking inside the housing 10, and excessive bending. This maintains the regularity of the internal structure of the housing 10 and prevents damage or blockage of the flexible tube 531 due to compression or sharp bends, extending the service life of the flexible tube 531. This telescopic design further enhances the adaptability of the pipeline component 53 to the movement of the movable component 52, ensuring that the liquid delivery pipeline remains unobstructed and stable in any state of the movable component 52.

[0075] Reference Figures 5 to 8Optionally, the fixed base 12 is recessed along the sliding direction of the movable member 52 to form a receiving groove 122. The receiving groove 122 is located below the guide opening 121 and is used to receive the connecting end cap 532 when the movable member 52 is in the retracted state. The receiving groove 122 and the fixed base 12 can be manufactured by an integral molding process, which has a strong overall structure and does not require additional assembly parts. This simplifies the processing and assembly process, reduces manufacturing costs, and ensures the connection strength between the receiving groove 122 and the fixed base 12, preventing loosening or detachment after long-term use. The receiving groove 122 is recessed along the sliding direction of the slider 5211 and is located below the guide opening 121. Its groove size is adapted to the shape of the connecting end cap 532, which can provide a precise and regular receiving space for the connecting end cap 532 in the retracted state. The structure employs a step-by-step storage operation: before switching the movable component 52 to the storage state, the connecting end cap 532 is first stored separately and positioned within the receiving slot 122, and then the storage state of the movable component 52 is switched. This prevents the connecting end cap 532 from being exposed or moving around freely inside the housing 10, thus preventing it from colliding or rubbing against other components inside the housing 10 and causing damage. It also prevents the connecting end cap 532 from obstructing the storage of the movable component 52, ensuring that the movable component 52 can be completely and neatly housed within the fixing base 12 and the housing 10, further optimizing the structural compactness of the water supply assembly 50 and maintaining the neatness of the internal layout of the housing 10. In addition, the receiving groove 122 can limit the reception of the connecting end cap 532 and protect the mating surface of the connecting end cap 532 (the mating surface with the water outlet interface 201 of the water injection container 200), preventing the mating surface from being contaminated by dust or oil or accidentally scratched and damaged, ensuring the sealing and accuracy of the subsequent connection between the connecting end cap 532 and the water outlet interface 201, and indirectly improving the stability of liquid medium transportation.

[0076] Reference Figure 4 , Figure 5 as well as Figure 7In some embodiments, the water supply assembly 50 further includes a decorative cover 54, which is connected to the movable component 52. In the retracted state, the surface of the decorative cover 54 facing away from the movable component 52 is coplanar with the outer surface of the housing 10. The decorative cover 54 and the movable component 52 can be fixed by means of snap-fit, screw fastening, heat fusion connection, or traceless adhesive, etc., with reliable connection strength and convenient assembly, disassembly, and maintenance. The decorative cover 54 can be made of engineering plastic, metal sheet, or tempered glass that matches the material of the housing 10, which can ensure the uniformity of appearance texture and color with the body, and has the characteristics of wear resistance, oil stain resistance, and aging resistance, making it suitable for the high temperature and oily smoke environment of the kitchen, and it is not easy to discolor or be damaged after long-term use. In its retracted state, the decorative cover 54, facing away from the movable component 52, remains flush and coplanar with the outer surface of the casing 10. This completely conceals the internal structures, including the movable component 52, the guide opening 121, and the receiving groove 122, preventing any dents, gaps, or protruding structures on the surface of the casing 10. This results in a cleaner and more streamlined appearance for the range hood 100, enhancing its overall aesthetics and integration. Simultaneously, the coplanar design seals any gaps left after the movable component 52 is retracted, effectively preventing kitchen fumes, dust, and moisture from entering the casing 10. This reduces the possibility of internal component contamination and corrosion, and also simplifies daily cleaning. Furthermore, the smooth surface, without protrusions or dead corners, prevents users from bumping into it during use, improving safety.

[0077] Furthermore, the decorative cover plate 54 has a recessed groove 541 on its side wall. The groove 541 is used for external force application to move the movable component 52 relative to the fixed seat 12. The groove 541 is a concave structure, and its groove shape can be set as an arc-shaped groove or a rectangular groove to accommodate finger force application. The depth and width of the groove are ergonomically designed, allowing users to easily insert their fingers and apply stable force. As a dedicated force application structure, this concave groove 541 eliminates the need for users to find additional force application points when switching the state of the movable component 52, and prevents slippage during pushing and pulling, significantly improving the convenience and smoothness of the sliding operation of the movable component 52. Meanwhile, the recessed design of the groove 541 will not form a protruding part on the surface of the decorative cover 54. This will not damage the overall appearance of the decorative cover 54 and the outer surface of the casing 10 when the unit is stored, thus maintaining the simplicity, beauty and integrity of the entire range hood 100. It will also avoid the risk of bumps and knocks caused by protruding handles, and reduce the adhesion and accumulation of oil fumes and dirt on the protruding parts, thus reducing the difficulty of cleaning the overall appearance of the unit.

[0078] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application 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, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0079] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A range hood characterized by, include: chassis; A smoking device, connected to the housing; A steam generating assembly is connected to the housing. The steam generating assembly is used to heat the liquid medium to generate steam for cleaning the smoking device. The steam generating assembly has a water inlet that communicates with the interior. as well as A water supply assembly includes a water supply path and a water inlet connected to the water supply path. The water supply path is connected to the steam generating assembly. The water supply assembly is movably disposed on the housing to have a working state and a stored state. When the water supply assembly is in the working state, the water supply assembly is used to be detachably connected to the water injection container, and the water injection port is exposed outside the housing and used to dock with the water injection container. The water inlet is lower than the height of the docked water injection port in the vertical direction, so that the liquid medium in the water injection container flows directly into the steam generating assembly through the water supply flow path under the action of gravity. When the water supply component is in the retracted state, the water inlet is covered inside the casing.

2. The range hood as described in claim 1, characterized in that, The housing has an installation port communicating with the interior, and the water supply assembly includes: A movable component is movably connected to the housing, and the movable component can pass through the mounting port and move relative to the housing. A pipeline component, one end of which is connected to the steam generating assembly, and the other end of which is provided with the water inlet; When in the retracted state, both the movable component and the piping component are housed within the casing; When in the working state, the ends of the movable component and the pipeline component with water inlets both extend outside the housing.

3. The range hood as described in claim 2, characterized in that, The housing includes a housing body and a fixing base. The smoking device and the steam generating assembly are both connected to the housing body. The housing body has the installation port. The fixing base is fixedly connected to the housing body and is arranged opposite to the installation port. The movable component is slidably connected to the fixed base to switch between the storage state and the working state, and the fixed base is used to accommodate the pipeline component in the storage state.

4. The range hood as described in claim 3, characterized in that, The fixed base is provided with a guide opening that penetrates two opposite surfaces. The guide opening is arranged opposite to the mounting opening. The movable component passes through the guide opening and is slidably connected to the fixed base so that the movable component can switch between the storage state and the working state.

5. The range hood as described in claim 4, characterized in that, The movable component includes a sliding part and a snap-fit ​​part connected to each other. The sliding part passes through the guide opening to slide and engage with the fixed base. The snap-fit ​​part is used to snap and fix it to the water injection container.

6. The range hood as described in claim 5, characterized in that, The sliding part includes two sliders and a limiting block. Both sliders are connected to the snap-fit ​​part. The sliders are slidably engaged with the fixed base. The limiting block is connected to the end of the slider away from the snap-fit ​​part. Along the sliding direction of the slider, the cross-sectional area of ​​the limiting block is larger than the cross-sectional area of ​​the guide opening. And / or, the snap-fit ​​portion has a snap-fit ​​opening extending in the vertical direction.

7. The range hood as described in claim 5, characterized in that, The pipeline component includes a flexible pipe and a connecting end cap. One end of the flexible pipe is connected to the steam generating assembly, and the other end of the flexible pipe is connected to the connecting end cap. The flexible pipe is provided with the water supply path, and the connecting end cap is provided with the water inlet. The connecting end cap is used for detachable connection with the water injection container when the movable component is in the working state.

8. The range hood as described in claim 7, characterized in that, The flexible tube can extend and retract along its own length.

9. The range hood as described in claim 7, characterized in that, The fixed base is recessed along the sliding direction of the movable member to form a receiving groove, which is located below the guide opening. The receiving groove is used to receive the connecting end cap when the movable member is in the stored state.

10. The range hood as described in any one of claims 3 to 9, characterized in that, The water supply assembly also includes a decorative cover plate, which is connected to the movable component; In the retracted state, the surface of the decorative cover facing away from the movable component is coplanar with the outer surface of the housing.

11. The range hood as described in claim 10, characterized in that, The decorative cover plate has a recessed groove on its side wall, which is used to allow external force to be applied to move the movable component relative to the fixed seat.

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