CN220817835U - Fume exhaust fan - Google Patents

Abstract

The utility model relates to the technical field of household appliances, and provides a range hood. The range hood according to the embodiment of the utility model comprises: the body is internally provided with an oil smoke cavity and an electric appliance installation cavity; a fan assembly adapted to create an airflow between the air inlet and the air outlet; the cleaning assembly is suitable for cleaning the oil smoke cavity and the fan assembly; the electric appliance installation cavity is positioned at the bottom of the upper oil smoke cavity, a first guide plate is arranged at the opening side of the electric appliance installation cavity, and a guide surface inclined towards the lower oil smoke cavity is arranged on the first guide plate; a water baffle is arranged on the side wall of the upper oil smoke cavity and corresponds to the upper part of the electric appliance installation cavity, and is suitable for guiding the cleaning wastewater flowing through the side wall to the first guide plate; and the waste water box is suitable for collecting the cleaning waste water. According to the range hood provided by the embodiment of the utility model, the water baffle and the first guide plate are arranged, and the guide surface is used for guiding the cleaning wastewater, so that time and labor consuming disassembly cleaning work is greatly reduced, the disassembly cleaning times are reduced, and the service life of a product can be effectively prolonged.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of household appliances, in particular to a range hood.

Background

The kitchen ventilator is a household appliance for removing and filtering waste oil smoke, oil is always stored in the kitchen ventilator, oxide or macromolecular compound can be generated after the waste oil is oxidized, the viscosity is very high, and the kitchen ventilator is difficult to clean by using common cleaning solvents, so the cleaning of the kitchen ventilator is a difficult problem in the industry all the time. At present, the general method for cleaning the range hood is to manually detach all parts in the range hood, then wash the parts one by one, the workload is large, the labor intensity is high, the time and the labor are wasted, and the equipment is easy to damage due to repeated disassembly and assembly.

Disclosure of utility model

The present utility model is directed to solving at least one of the technical problems existing in the related art. Therefore, the utility model provides the range hood, which effectively avoids the defect that the range hood needs to be repeatedly disassembled and assembled, ensures the sealing performance of products and the health state of hardware, prolongs the service life of the products and continues the user experience.

According to an embodiment of the utility model, a range hood comprises:

The device comprises a body, wherein a lampblack cavity and an electric appliance installation cavity are formed in the body, the lampblack cavity comprises an upper lampblack cavity and a lower lampblack cavity which are mutually communicated, the electric appliance installation cavity is communicated with the upper lampblack cavity, the body is provided with an air inlet and an air outlet, the air inlet is communicated with the lower lampblack cavity, and the air outlet is communicated with the upper lampblack cavity;

The fan assembly is arranged in the upper oil smoke cavity and is suitable for forming air flow between the air inlet and the air outlet;

the cleaning assembly is suitable for cleaning the oil smoke cavity and the fan assembly;

The electric appliance installation cavity is positioned at the bottom of the upper oil smoke cavity, a first guide plate is arranged at the opening side of the electric appliance installation cavity, and a guide surface inclined towards the lower oil smoke cavity is arranged on the first guide plate;

A water baffle is arranged on the side wall of the upper oil smoke cavity and corresponds to the upper part of the electric appliance installation cavity, and the water baffle is suitable for guiding the cleaning wastewater flowing through the side wall to the first guide plate;

The waste water box is arranged at the bottom of the body and is suitable for collecting cleaning waste water.

According to the range hood provided by the embodiment of the utility model, the cleaning component can clean the oil smoke cavity and the fan component, the cleaning of the whole air duct of the range hood is more thorough, the problem of unsmooth air duct caused by oil smoke deposition is effectively reduced, the smoke exhaust efficiency of the range hood is further ensured, in addition, through the arrangement of the water baffle, the cleaning wastewater for cleaning the side wall of the oil smoke cavity can be guided to the first guide plate, then the cleaning wastewater is guided through the guide plate, and finally the cleaning wastewater is collected through the wastewater box, so that the time and labor consuming disassembly cleaning work is greatly reduced, the times of disassembly cleaning are reduced, and the service life of a product can be effectively prolonged.

According to one embodiment of the utility model, a plurality of grating plates are arranged at the opening of the electric appliance installation cavity, and the grating plates incline towards the lower oil smoke cavity.

According to one embodiment of the utility model, the electric appliance mounting cavity at least comprises a first cavity positioned at the front side of the range hood.

According to one embodiment of the utility model, the fan assembly comprises a fan housing and a fan main body, wherein the fan housing is connected to the body, the fan main body is connected to the fan housing, a drain outlet is arranged at the bottom of the fan housing, and the drain outlet is suitable for discharging cleaning wastewater in the fan assembly to the lower oil smoke cavity or the first guide plate.

According to one embodiment of the utility model, the outer surface of the bottom of the fan assembly is provided with an arcuate drainage surface adapted to drain cleaning liquid to the bottom of the fan assembly.

According to one embodiment of the utility model, the arc-shaped diversion surface is provided with at least one of diversion ribs and diversion trenches.

According to one embodiment of the utility model, the cleaning assembly comprises a water box, a cleaning agent box and a spray arm, wherein the spray arm is communicated with the water box and the cleaning agent box, and the water box and the cleaning agent box are both installed at the bottom of the body;

The bottom of lower oil smoke chamber is provided with the second guide plate, the second guide plate cover is located the water box the detergent box with the top of waste water box, the second guide plate is suitable for with flowing through all washings waste water in lower oil smoke chamber water conservancy diversion extremely in the waste water box.

According to one embodiment of the utility model, the top of the waste water box is provided with a waste water interface, and a diversion trench is arranged above the waste water interface and is suitable for guiding the cleaning waste water flowing through the second diversion plate to the waste water interface.

According to one embodiment of the utility model, the spray arm comprises:

The first upper spray arm is arranged in the upper oil smoke cavity and is suitable for cleaning the cavity wall of the upper oil smoke cavity;

the second upper spray arm is arranged in the upper oil smoke cavity and is suitable for cleaning an impeller of the fan assembly;

the lower spray arm is arranged in the lower oil smoke cavity and is suitable for cleaning the cavity wall of the lower oil smoke cavity.

According to one embodiment of the present utility model, the cleaning assembly includes a water pipe and a cleaner pipe, the spray arm is provided with a cleaner nozzle and a water nozzle, the water pipe communicates the water cartridge with the water nozzle, and the cleaner pipe communicates the cleaner cartridge with the cleaner nozzle.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a range hood according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a range hood provided by an embodiment of the invention;

Fig. 3 is a schematic diagram of a structure of the range hood provided by the embodiment of the invention, in which a part of a main body of an upper oil smoke cavity is removed;

fig. 4 is a schematic structural view of the range hood provided by the embodiment of the invention, with the lower fume chamber part body and the second guide plate removed;

Fig. 5 is a schematic structural diagram of a range hood according to an embodiment of the present invention, in which a rotary seat is shown;

fig. 6 is a schematic structural diagram of another view angle of the range hood according to the embodiment of the present invention.

Reference numerals:

100. A body; 110. a fume chamber; 111. a cooking fume cavity is arranged; 112. a lower oil smoke cavity; 120. an electrical installation cavity; 121. a first cavity; 130. an air inlet; 140. an exhaust port; 150. a grating plate; 160. a first deflector; 170. a water baffle; 180. a second deflector;

200. A fan assembly; 210. a fan main body; 211. an impeller; 220. a fan housing; 221. a sewage outlet; 222. an arc-shaped drainage surface; 230. an air inlet side; 231. an air inlet cavity;

300. A cleaning assembly; 310. a spray arm; 311. an upper spray arm; 3111. a first upper spray arm; 3112. a second upper spray arm; 312. a lower spray arm; 320. a water pipe; 330. a cleaner tube; 340. a water nozzle; 350. a cleaning agent nozzle; 360. a steam generator; 370. a water box; 380. a detergent box; 390. a pump;

400. a waste water box; 410. a waste water interface; 420. a waste water tank;

500. a rotating seat; 510. a first mounting hole;

600. A mounting base; 610. and a second mounting hole.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Referring to fig. 1 to 3, a range hood according to an embodiment of the present utility model includes a body 100, a blower assembly 200, a cleaning assembly 300, and a waste water box 400. The body 100 is internally provided with a lampblack cavity 110 and an electric appliance installation cavity 120, the lampblack cavity 110 comprises an upper lampblack cavity 111 and a lower lampblack cavity 112 which are mutually communicated, the electric appliance installation cavity 120 is communicated with the upper lampblack cavity 111, the body 100 is provided with an air inlet 130 and an air outlet 140, the air inlet 130 is communicated with the lower lampblack cavity 112, and the air outlet 140 is communicated with the upper lampblack cavity 111. A fan assembly 200 is disposed in the upper plenum 111, the fan assembly 200 being adapted to create an air flow between the air inlet 130 and the air outlet 140. The cleaning assembly 300 is adapted to clean the cooking fume chamber 110 and the blower assembly 200. The electric installation cavity 120 is located at the bottom of the upper oil smoke cavity 111, and the opening side of the electric installation cavity 120 is provided with a first deflector 160, and the first deflector 160 is provided with a deflector surface inclined toward the lower oil smoke cavity 112. A water baffle 170 is disposed on the sidewall of the upper oil soot chamber 111 corresponding to the upper side of the electric appliance installation chamber 120, and the water baffle 170 is adapted to guide the cleaning wastewater flowing through the sidewall to the first deflector 160. The waste water box 400 is installed at the bottom of the body 100 and adapted to collect washing waste water.

According to the range hood provided by the embodiment of the utility model, the cleaning assembly can clean the oil smoke cavity 110 and the fan assembly 200, the cleaning of the whole air duct of the range hood is more thorough, the problem of unsmooth air duct caused by oil smoke deposition is effectively reduced, the smoke exhaust efficiency of the range hood is further ensured, in addition, the cleaning wastewater for cleaning the side wall of the oil smoke cavity 110 can be guided to the first guide plate 160 by arranging the water baffle 170, then the cleaning wastewater is guided by the guide plate, finally the cleaning wastewater is collected by the wastewater box 400, the time and labor consuming disassembly cleaning work is greatly reduced, the disassembly cleaning times are reduced, and the service life of products can be effectively prolonged.

It will be appreciated that the appliance mounting cavity 120 may be used to house electrical components, wherein the electrical components may be lighting fixtures. The electrical installation cavity 120 is located at the bottom of the upper oil smoke cavity 111, and a first deflector 160 is disposed at the opening side of the electrical installation cavity 120, and the water deflector 170 and the first deflector 160 deflect the cleaning wastewater for cleaning the oil smoke cavity 110 and the fan assembly 200, so that the cleaning wastewater can flow along the deflecting surface towards the lower oil smoke cavity 112, and the cleaning wastewater is effectively prevented from entering the electrical installation cavity 120.

It is understood that the flow guiding surface may be a plane or a curved surface, which is not particularly limited by the present utility model.

It should be noted that, the electrical installation cavity 120 is communicated with the upper oil smoke cavity 111, on one hand, the fan assembly 200 can dissipate heat of electrical components disposed in the electrical installation cavity 120 when air flow is formed between the air inlet 130 and the air outlet 140, and on the other hand, an auxiliary air inlet 130 communicated with the outside can be formed in the electrical installation cavity 120. In one embodiment, the electric appliance installation cavity 120 is provided with an auxiliary air inlet 130 communicated with the outside, the auxiliary air inlet 130 is suitable for increasing the air inlet efficiency of the range hood, when a user needs to increase the exhaust efficiency of the range hood, the auxiliary air inlet 130 can be controlled to be opened, and the range hood can be provided with two air inlets to increase the air inlet efficiency.

According to an embodiment of the present utility model, referring to fig. 2, a plurality of grating plates 150 are provided at the opening of the appliance installation cavity 120, and the grating plates 150 are inclined toward the lower smoke chamber 112. It will be appreciated that the water baffle 170 is inclined towards the lower fume chamber 112, when the cleaning assembly of the fume extractor cleans the chamber wall of the fume chamber 110, the cleaning wastewater flowing through the side wall can flow through the opening side of the electric appliance installation chamber 120 via the water baffle 170, and the grid plate 150 can ensure that the wastewater cannot enter the electric appliance installation chamber 120, and meanwhile, the electric appliance installation chamber 120 and the upper fume chamber 111 can be communicated.

Wherein, the grid plates 150 may be disposed parallel to each other, and the ventilation and heat dissipation performance of the electric appliance installation cavity 120 are good, and when the grid plates 150 are arranged in parallel, the stability of the washing wastewater flowing through the grid plates 150 may be ensured. In addition, the grating plates 150 are arranged in parallel, so that the guiding air flow is more stable, the air flow direction between the electric appliance installation cavity 120 and the upper oil cavity can be well controlled, and the noise can be effectively reduced. Of course, the grating plates 150 may also be disposed at an angle, and the present utility model is not particularly limited to the embodiments herein.

According to one embodiment of the present utility model, the appliance mounting cavity 120 includes at least a first cavity 121 located on the front side of the range hood. It will be appreciated that the appliance mounting cavity 120 may further include a second cavity and a third cavity (not labeled in the drawings) located on the left and right sides of the range hood, and the first cavity 121 located on the front side may facilitate the installation of the lighting tube, thereby facilitating the use of the range hood.

Referring to fig. 2 to 4, according to an embodiment of the present utility model, the blower assembly 200 includes a blower housing 220 and a blower main body 210, the blower housing 220 is connected to the body 100, the blower main body 210 is connected to the blower housing 220, a drain 221 is provided at the bottom of the blower housing 220, and the drain 221 is adapted to drain the cleaning wastewater inside the blower assembly 200 to the lower oil smoke chamber 112 or the first baffle 160. It will be appreciated that the blower body 210 includes an impeller 211 and a motor driving the impeller 211, wherein the motor is adapted to provide a rotational force to the impeller 211, and the impeller 211 is mounted on a rotational shaft of the motor, and generates an air flow or wind by rotating. The fan housing 220 can effectively isolate the rotating parts and the electric parts, prevent foreign objects, dust, water drops and the like from entering the fan main body 210, and is helpful for reducing abrasion, corrosion and faults of the fan main body 210, prolonging the service life of the fan and improving the use safety. When the impeller 211 of the fan main body 210 is cleaned by the cleaning assembly, the impeller 211 rotates to easily splash with the oily cleaning wastewater, the fan housing 220 can play a role in preventing the cleaning wastewater from splashing, so that the defect that the cleaning wastewater splashes due to the rotation of the impeller 211 is avoided, and the repeated cleaning times are reduced.

In one embodiment, the blower housing 220 is internally provided with a downwardly concave arcuate surface that can direct the cleaning wastewater to the arcuate surface top, and the drain 221 is disposed at the arcuate surface top. It will be appreciated that the arcuate surface design effectively directs the cleaning wastewater to the arcuate surface top and out through the drain 221, thereby preventing the cleaning wastewater from stagnating inside the blower housing 220, reducing corrosion caused by wastewater accumulation and risk of contaminating the fan blades and other components of the blower.

Referring to fig. 2 and 3, according to one embodiment of the present utility model, an outer surface of the bottom of the blower assembly 200 is provided with an arcuate drainage surface 222, the arcuate drainage surface 222 being adapted to drain cleaning liquid to the bottom of the blower assembly 200. It can be appreciated that the bottom of the fan assembly 200 is easy to accumulate oil stains, and the bottom of the fan assembly 200 is difficult to clean, and the traditional range hood only cleans the impeller 211, so that cleaning of the bottom of the fan assembly 200 is neglected, but the accumulated oil fume in the oil fume cavity 110 can cause unsmooth air duct of the range hood, so that the use noise of the range hood is high, and the use experience of a user is poor. The arcuate flow surface 222 may direct cleaning fluid from the top or side of the fan assembly 200 to the bottom, ensuring that the cleaning fluid is able to adequately cover and rinse the various locations of the fan assembly 200 during the cleaning process for a more thorough and complete cleaning. Moreover, the arcuate design of the arcuate flow surfaces 222 may prevent cleaning liquid from accumulating on the top or sides of the blower assembly 200, avoid water accumulation, and prevent contamination or corrosion of the blower assembly 200, thereby preserving the performance and life of the blower.

According to one embodiment of the present utility model, the arc-shaped diversion surface 222 is provided with at least one of a diversion rib and a diversion trench to further optimize the diversion effect of the arc-shaped diversion surface 222. It will be appreciated that the ribs are a convex structure located on the arcuate flow surface 222 to redirect the flow of cleaning liquid more easily along the flow surface toward the bottom of the fan assembly 200. The existence of the guide ribs can increase the guiding capability of the guide surface, help the cleaning liquid to flow more effectively, and reduce turbulence and liquid drop splashing generated in the guide process. The flow-guiding groove is a concave structure, which is located on the arc-shaped flow-guiding surface 222 and can collect and guide the cleaning liquid. The provision of the channels may create a region for containing cleaning liquid that is able to flow along the drainage surface to the bottom of the fan assembly 200, thereby more effectively guiding and collecting the cleaning liquid for subsequent discharge and disposal.

It should be noted that the guide rib and the guide groove can complement each other, so as to further improve the effect of the guide surface. Such a design can optimize the flow and guidance of the cleaning liquid, keep the bottom of the blower assembly 200 dry and clean, improve the reliability and service life of the blower, and increase the safety and convenience of the cleaning process.

According to one embodiment of the present utility model, the cleaning assembly 300 includes a water cartridge 370, a cleaner cartridge 380, and a spray arm 310, the spray arm 310 communicating the water cartridge 370 and the cleaner cartridge 380, the water cartridge 370 and the cleaner cartridge 380 being mounted to the bottom of the body 100; the bottom of the lower oil smoke chamber 112 is provided with a second deflector 180, the second deflector 180 is covered above the water box 370, the cleaning agent box 380 and the waste water box 400, and the second deflector 180 is suitable for guiding all cleaning waste water flowing through the lower oil smoke chamber 112 into the waste water box 400.

It will be appreciated that the water cartridge 370 is for storing clean water and the detergent cartridge 380 is for storing detergent. The water and detergent boxes 370 and 380 are detachably mounted to the bottom of the body 100, so that a user can easily replace the water and detergent boxes 370 and 380. The water box 370 and the cleaner box 380 are relatively easy to detach and clean, and other parts of the range hood cannot be affected when the water box 370 and the cleaner box 380 are detached, so that the range hood is convenient to maintain. The water box 370 and the cleaner box 380 are arranged at the bottom of the body 100, so that the water box and the cleaner box can be prevented from occupying the air channel space of the range hood, and the range hood is more compact in structure.

The second kuppe sets up in the top of water box 370, cleaner box 380 and waste water box 400, and the design of second guide plate 180 can guide all wash waste water to flow along the guide plate surface, gathers to waste water box 400 in from lower oil smoke chamber 112, prevents that the wash waste water from flowing through the surface of water box 370, cleaner box 380 and waste water box 400, and all wash waste water is concentrated water effectively, has reduced the possibility that wash waste water detained. Through with wash waste water conservancy diversion to waste water box 400 in, be convenient for follow-up with wash waste water through discharge port or drain pipe 320 ways discharge and handle, the maintainer of convenience carries out waste water's treatment and clearance.

Referring to fig. 6, according to an embodiment of the present utility model, a waste water port 410 is provided at the top of the waste water box 400, and a waste water tank 420 is provided above the waste water port 410, the waste water tank 420 being adapted to guide the cleaning waste water flowing through the second baffle 180 to the waste water port 410.

It will be appreciated that by the design of the waste water tank 420, the cleaning waste water flowing through the second deflector 180 can be guided and concentrated, and flows along the path of the waste water tank 420 to the waste water interface 410, so that the cleaning waste water is not dispersed, but is orderly guided into the waste water interface 410, thereby facilitating subsequent treatment and discharge, being helpful for improving cleaning efficiency and making the cleaning process more efficient.

In one embodiment, referring to fig. 4, the waste water box 400 is detachably mounted to the bottom of the body 100. It can be appreciated that the waste water box 400 is detachably mounted at the bottom of the body 100, so that the waste water box 400 is convenient for a user to detach and clean, and other parts of the range hood cannot be affected when the waste water box 400 is detached, and the maintenance is convenient.

According to one embodiment of the present utility model, the spray arm 310 includes an upper spray arm 311 and a lower spray arm 312, wherein the upper spray arm 311 includes a first upper spray arm 3111 and a second upper spray arm 3112. The first upper spray arm 3111 is disposed in the upper oil smoke chamber 111, and is adapted to clean a chamber wall of the upper oil smoke chamber 111; the second upper spray arm 3112 is disposed in the upper oil smoke chamber 111 and is adapted to clean the impeller 211 of the fan assembly 200; the lower spray arm 312 is disposed in the lower oil smoke chamber 112 and is adapted to clean the wall of the lower oil smoke chamber 112.

It can be appreciated that the first upper spray arm 3111 is disposed in the upper oil smoke chamber 111 and is adapted to clean a chamber wall of the upper oil smoke chamber 111; the second upper spray arm 3112 is disposed in the upper oil smoke chamber 111, and is suitable for cleaning the impeller 211 of the fan assembly 200, the first upper spray arm 3111 and the second upper spray arm 3112 are independent, and a user can control the first upper spray arm 3111 and the second upper spray arm 3112 according to different cleaning requirements through on-off control.

The lower spray arm 312 is disposed in the lower oil smoke chamber 112 and is adapted to clean the wall of the lower oil smoke chamber 112. The lower oil smoke cavity 112 is cleaned by the lower spray arm 312, and the lower oil smoke cavity 112 can be effectively cleaned, so that the smoke discharging efficiency of the range hood is ensured, and the using noise of the range hood is reduced.

According to one embodiment of the present utility model, the cleaning assembly 300 includes a water pipe 320 and a cleaner pipe 330, the spray arm 310 is provided with a cleaner nozzle 350 and a water nozzle 340, the water pipe 320 communicates the water cartridge 370 with the cleaner nozzle 350, and the cleaner pipe 330 communicates the cleaner cartridge 380 with the cleaner nozzle 350.

It can be appreciated that the water and the cleaning agent are respectively conveyed to the cleaning part (the cavity wall of the oil smoke cavity 110 or the impeller 211) through the independent pipelines, the range hood is cleaned through the mutually independent water pipe 320 and the mutually independent cleaning agent pipe 330, and the proportion of the water and the cleaning agent can be controlled by a user, so that the concentration of the cleaning agent can be adjusted according to the requirement, different cleaning requirements can be met, and greater flexibility and accuracy are provided for cleaning the range hood. For example, for certain surfaces or stains of the impeller 211, a high concentration of cleaning agent may be used, while for other cases, a lower concentration of cleaning agent may be required.

According to one embodiment of the present invention, the detergent nozzle 350 and the water nozzle 340 are spaced apart. It will be appreciated that some surface soils may be more sensitive to water sprays, while others require stronger cleaning agents for effective removal. By arranging the detergent nozzle 350 and the water nozzle 340 at intervals, the user can use a proper cleaning mode according to different cleaning positions, thereby optimizing the cleaning effect and reducing the number of repeated cleaning. In addition, the spacing of the detergent nozzles 350 and the water nozzles 340 may control their separate supply. The spray time, intensity and frequency of the cleaning agent and water can be controlled individually as needed to accommodate different cleaning tasks. For example, a cleaning task may be set to: at the beginning of cleaning, the water nozzle 340 is controlled to be opened and the cleaning agent nozzle 350 is controlled to be closed, the oil smoke cavity 110 is cleaned by water, the cavity wall of the oil smoke cavity 110 and the impeller 211 of the fan assembly 200 are wetted, some shallow stains are taken away, then the water nozzle 340 is controlled to be closed and the cleaning agent nozzle 350 is controlled to be opened, the stubborn stains are treated by the cleaning agent, and after a period of time, the water nozzle 340 is controlled to be opened to wash the stubborn stains. It should be noted that the cleaning task is only taken as an example, and the range hood of the present invention is not particularly limited.

Referring to fig. 4 and 5, the lower cooking fume chamber 112 is provided with a rotary seat 500, the rotary seat 500 is provided with a first mounting hole 510, and a first end of the lower spray arm 312 is inserted through and rotatably connected to the first mounting hole 510. It can be appreciated that the lower spray arm 312 is connected with the rotating base 500 through the first mounting hole 510, so that the lower spray arm 312 is ensured not to loosen or shake during use, the rotating base 500 allows the lower spray arm 312 to rotate and adjust, and a user can flexibly adjust the spray angle and direction of the lower spray arm 312 according to actual needs so as to adapt to different cleaning targets. The rotatable connection of the lower spray arm 312 through the first mounting hole 510 and the rotation seat 500 is a relatively simple mounting manner, and the mounting process of the lower spray arm 312 is more convenient and efficient without requiring complicated operations and mounting tools.

Referring to fig. 4 and 5, according to an embodiment of the present utility model, the body 100 is provided with a mounting seat 600, the mounting seat 600 is provided with a second mounting hole 610, the second mounting hole 610 is disposed corresponding to the first mounting hole 510, the second mounting hole 610 is adapted to support the second end of the lower spray arm 312, and the second mounting hole 610 is rotatably connected with the second end of the lower spray arm 312. It will be appreciated that the mounting 600 and the swivel 500 support the lower spray arm 312, wherein the first mounting aperture 510 is adapted to support a first end of the lower spray arm 312 and the second mounting aperture 610 is adapted to support a second end of the lower spray arm 312.

According to one embodiment of the present utility model, the range hood includes a steam generator 360, and the steam generator 360 is disposed on a path of the water pipe 320, and is adapted to form high temperature steam.

It will be appreciated that the steam generated by the steam generator 360 has a relatively high temperature and humidity, and can quickly penetrate and dissolve the oil stains, and thoroughly remove the stubborn oil stains in a relatively short time. And steam can penetrate into the fine gaps and holes of the range hood, so that stains are radically removed, the service life of the range hood can be prolonged by deep cleaning, and the range hood can be kept to operate efficiently. In addition, the steam generator 360 is disposed on the path of the water pipe 320, and the user can select whether to start the steam generator 360 according to the requirement, and when the oil stain is required to be quickly dissolved, the steam generator 360 is started to convert water into steam to be sprayed out of the spray arm 310. When it is desired to quickly flush the dissolved oil, the steam generator 360 is stopped and the strong water flow is allowed to flush the cavity walls or impellers 211 of the range hood.

In one implementation, the top of the body 100 is provided with a pump 390, the pump 390 being disposed in the path of the water pipe 320 and the cleaner pipe 330 for increasing the power to the first upper spray arm 3111 and the second upper spray arm 3112, thereby increasing the water outlet intensity of the first upper spray arm 3111 and the second upper spray arm 3112.

Referring to fig. 2 to 3, the fan assembly 200 has an air inlet side 230, an air inlet chamber 231 is formed between the air inlet side 230 and a chamber wall of the upper oil smoke chamber 111, a first upper spray arm 3111 and a second upper spray arm 3112 are mounted on top of the air inlet chamber 231, a liquid outlet of the first upper spray arm 3111 faces the chamber wall of the air inlet chamber 231, and a liquid outlet of the second upper spray arm 3112 faces the impeller 211. The first upper spray arm 3111 and the second upper spray arm 3112 are disposed on top of the air intake chamber 231, and the liquid for cleaning the chamber wall of the air intake chamber 231 or the air blower assembly 200 may flow down along the chamber wall or the air blower assembly 200.

Finally, it should be noted that the above-mentioned embodiments are merely illustrative of the utility model, and not limiting. While the utility model has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, or equivalent substitutions can be made to the technical solutions of the present utility model without departing from the spirit and scope of the technical solutions of the present utility model, and it is intended to be covered by the scope of the claims of the present utility model.

Claims (10)

1. A range hood, comprising:

The device comprises a body (100), wherein a lampblack cavity (110) and an electrical installation cavity (120) are formed in the body, the lampblack cavity (110) comprises an upper lampblack cavity (111) and a lower lampblack cavity (112) which are communicated with each other, the electrical installation cavity (120) is communicated with the upper lampblack cavity (111), the body (100) is provided with an air inlet (130) and an air outlet (140), the air inlet (130) is communicated with the lower lampblack cavity (112), and the air outlet (140) is communicated with the upper lampblack cavity (111);

A fan assembly (200) disposed in the upper fume chamber (111), the fan assembly (200) being adapted to create an air flow between the air inlet (130) and the air outlet (140);

-a cleaning assembly (300) adapted to clean the fume chamber (110) and the fan assembly (200);

The electric appliance installation cavity (120) is positioned at the bottom of the upper oil smoke cavity (111), a first guide plate (160) is arranged at the opening side of the electric appliance installation cavity (120), and the first guide plate (160) is provided with a guide surface inclined towards the lower oil smoke cavity (112);

A water baffle (170) is arranged on the side wall of the upper oil smoke cavity (111) corresponding to the upper part of the electric appliance installation cavity (120), and the water baffle (170) is suitable for guiding the cleaning wastewater flowing through the side wall to the first guide plate (160);

And a waste water box (400) installed at the bottom of the body (100) and adapted to collect washing waste water.

2. The range hood according to claim 1, characterized in that a number of grating plates (150) are provided at the opening of the electrical installation cavity (120), the grating plates (150) being inclined towards the lower fume cavity (112).

3. The range hood according to claim 1, characterized in that the appliance mounting cavity (120) comprises at least a first cavity (121) at the front side of the range hood.

4. The range hood according to claim 1, wherein the fan assembly (200) comprises a fan housing (220) and a fan main body (210), the fan housing (220) is connected to the body (100), the fan main body (210) is connected to the fan housing (220), a drain outlet (221) is provided at the bottom of the fan housing (220), and the drain outlet (221) is adapted to drain the cleaning wastewater inside the fan assembly (200) to the lower oil fume chamber (112) or the first deflector (160).

5. The range hood according to claim 1, characterized in that the outer surface of the bottom of the fan assembly (200) is provided with an arc-shaped drainage surface (222), the arc-shaped drainage surface (222) being adapted to drain cleaning liquid to the bottom of the fan assembly (200).

6. The range hood according to claim 5, wherein the arcuate flow guiding surface (222) is provided with at least one of a flow guiding rib and a flow guiding groove.

7. The range hood according to any one of claims 1 to 6, wherein the cleaning assembly (300) comprises a water box (370), a cleaner box (380) and a spray arm (310), the spray arm (310) communicating the water box (370) and the cleaner box (380), the water box (370) and the cleaner box (380) being mounted at the bottom of the body (100);

The bottom of lower oil smoke chamber (112) is provided with second guide plate (180), second guide plate (180) cover is located water box (370), detergent box (380) with the top of waste water box (400), second guide plate (180) are suitable for with flowing through all wash waste water in lower oil smoke chamber (112) water conservancy diversion extremely in waste water box (400).

8. The range hood according to claim 7, characterized in that a waste water interface (410) is provided at the top of the waste water box (400), a waste water tank (420) is provided above the waste water interface (410), and the waste water tank (420) is adapted to guide the cleaning waste water flowing through the second deflector (180) to the waste water interface (410).

9. The range hood according to claim 7, wherein the spray arm (310) comprises:

A first upper spray arm (3111) arranged in the upper oil smoke chamber (111) and adapted to clean a chamber wall of the upper oil smoke chamber (111);

a second upper spray arm (3112) disposed in the upper oil-fume chamber (111) and adapted to clean an impeller (211) of the fan assembly (200);

the lower spray arm (312) is arranged in the lower oil smoke cavity (112) and is suitable for cleaning the cavity wall of the lower oil smoke cavity (112).

10. The range hood according to claim 7, wherein the cleaning assembly (300) comprises a water pipe (320) and a cleaner pipe (330), the spray arm (310) is provided with a cleaner nozzle (350) and a water nozzle (340), the water pipe (320) communicates the water box (370) with the water nozzle (340), and the cleaner pipe (330) communicates the cleaner box (380) with the cleaner nozzle (350).