CN216619943U - Fume exhaustor - Google Patents

Abstract

The utility model discloses a range hood, comprising: cigarette machine body, oil net, fan and clean subassembly the oil net is located the cigarette machine is originally internal, the fan includes spiral case and impeller, clean subassembly is including blowing the part and supplying the liquid part, supply the liquid part including the stock solution container that is used for storing the cleaning solution, be used for carrying the transfer line of cleaning solution and installation shell, the installation shell with the cigarette machine body links to each other, the first end of transfer line with the installation shell link to each other and with the stock solution container intercommunication, the second end of transfer line with blow the part intercommunication, blow the first end of part with blow mouthful intercommunication, blow the second end orientation of part the impeller the inner wall of spiral case with at least one among the oil net blows out the air current that contains the cleaning solution. The range hood disclosed by the utility model can be used for automatically cleaning a fan, and the cleaning efficiency is higher.

Description

Fume exhaustor

Technical Field

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

Background

Along with the improvement of the living standard of people, the range hood has entered into the life of people. After the range hood in the current market is used, a large amount of oil dirt is accumulated on the surfaces of an oil screen, the inner wall of a volute and an impeller, the range hood is difficult to clean, the air quantity of the range hood is easy to reduce, the noise is increased, and the service life of the range hood is shortened.

Among the correlation technique, when the greasy dirt on the oil net of user's needs to the lampblack absorber and the fan cleans, need open quick-witted case, dismantle oil net and fan in order to wash it to the user's of not being convenient for use and later maintenance lead to user's use to experience and feel not good enough, and the practicality is relatively poor. In addition, the cleaning device of the range hood in the related art has poor cleaning effect, and when oil stains on an oil screen or a fan are accumulated for a long time, the conventional cleaning device is difficult to completely clean the oil stains, so that the range hood is poor in cleaning effect and low in cleaning efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least in part, one of the technical problems in the related art.

Therefore, the embodiment of the utility model provides the range hood which is convenient to clean oil stains in the range hood and high in cleaning efficiency.

According to the embodiment of the utility model, the range hood comprises: a cigarette machine body; the oil screen is arranged in the range hood body; the fan is arranged in the range hood body and comprises a volute and an impeller, the volute is provided with an air suction port, an air outlet and an air blowing port, the air blowing port is closer to the air outlet than the air suction port, the air suction port is approximately circular, and the impeller is arranged at the position of the air suction port in the volute; the cleaning assembly comprises a blowing component and a liquid supply component, the liquid supply component is communicated with the blowing component and used for conveying cleaning liquid to the blowing component, the first end of the blowing component is communicated with the blowing port, and the second end of the blowing component blows out air flow containing the cleaning liquid towards at least one of the impeller, the inner wall of the volute and the oil net so as to purge oil stains on the at least one.

According to the range hood disclosed by the embodiment of the utility model, the cleaning liquid is stored in the liquid supply part, and the liquid supply part can supply the cleaning liquid to the blowing part, so that the blowing part connected with the blowing port blows out the airflow containing the cleaning liquid towards at least one of the inner wall of the volute, the impeller and the oil net, and therefore, the oil stain on at least one of the inner wall of the volute, the impeller and the oil net is cleaned, the cleaning efficiency of the range hood is higher, and the range hood disclosed by the utility model shares the same fan as a power source in a smoke exhaust mode and a cleaning mode, so that the range hood is compact in structure and small in size. Therefore, the range hood provided by the embodiment of the utility model has the advantages of high cleaning efficiency, good user experience, high practicability and the like.

Optionally, the confession liquid part is including the stock solution container that is used for storing the cleaning solution, the transfer line and the installation shell that are used for carrying the cleaning solution, the installation shell with the cigarette machine body links to each other, stock solution container detachably installs in the installation shell, the first end of transfer line with the installation shell links to each other and with stock solution container intercommunication, the second end of transfer line with the part intercommunication of blowing. According to the range hood disclosed by the embodiment of the utility model, the cleaning liquid is stored in the liquid storage container, the liquid storage container is installed in the installation shell, when the cleaning liquid needs to be added into the liquid storage container, the liquid storage container is detached from the installation shell, then the cleaning liquid is added into the liquid storage container, and after the addition of the cleaning liquid is completed, the liquid storage container is installed into the installation shell.

Optionally, a placing opening is formed in the side wall of the cigarette machine body, an installation cavity is formed in the installation shell, and an opening of the installation cavity is opposite to the placing opening, so that the liquid storage container can be conveniently installed in the installation cavity through the placing opening. According to the range hood, the placing opening is formed, when cleaning liquid needs to be added into the liquid storage container, the liquid storage container is drawn out from the mounting cavity to be separated from the placing opening, so that the cleaning liquid can be added into the liquid storage container through the water injection opening, and the cleaning liquid can be conveniently added.

Optionally, the liquid storage container is clamped in the mounting cavity, so that the liquid storage container is stably mounted in the mounting cavity to prevent the liquid storage container from being separated from the mounting cavity after mounting, and therefore, the running stability and reliability of the range hood are guaranteed, and user experience is better.

Optionally, one of the liquid storage container and the mounting shell is provided with a lock head, the other is provided with a lock catch, and the lock head is clamped in the lock catch. The liquid storage container of the range hood is stably installed in the installation shell under the action of the lock head and the lock catch, so that the operation reliability of the range hood during dirt cleaning is improved, and the user experience is better.

Optionally, the liquid supply part further comprises a locking piece, the locking piece is arranged at a water outlet of the liquid storage container and is movable between a first position and a second position, in the first position, the water outlet is communicated with the infusion tube through the locking piece, and in the second position, the locking piece blocks the water outlet. The water outlet of the liquid storage container of the range hood is automatically controlled through the locking piece, so that the range hood is simple to operate and high in practicability.

Optionally, the locking piece includes removal post and elastic component, remove the post with delivery port sliding connection, it is the butt end to remove the post neighbouring the one end of transfer line, it deviates from to remove the post one end of transfer line is sealed end, the elastic component cover is established on the removal post, the elastic component court sealed end to the direction oppression of butt end the removal post first position, butt end with the installation shell butt, so that sealed end with the delivery port is spaced apart the second position, sealed end shutoff the delivery port. The range hood disclosed by the utility model controls the cleaning liquid in the liquid storage container to flow out through the sealing end and the abutting end, and is simple in structure, convenient to operate and strong in practicability.

Optionally, the locking piece further comprises a first sealing piece, and the first sealing piece is arranged between the sealing end and the water outlet so as to enhance the sealing performance of the water outlet of the range hood.

Optionally, the locking piece further comprises a second sealing piece, in the first position, two ends of the second sealing piece are respectively abutted to the liquid storage container and the mounting shell to form a sealing cavity, the sealing cavity is communicated with the water outlet and the liquid conveying pipe, and the sealing performance of the sealing cavity is enhanced by the second sealing piece, so that cleaning liquid flowing out of the water outlet of the range hood disclosed by the utility model is prevented from flowing into the mounting cavity through the sealing cavity, and the user experience is better.

Optionally, the top of the liquid storage container is provided with a water injection port and an exhaust port, the range hood disclosed by the utility model adds cleaning liquid into the liquid storage container through the water injection port, the operation is simple and convenient, and when the cleaning liquid in the liquid storage container flows out, gas in the liquid storage container is exhausted through the exhaust port, so that the same pressure intensity is kept inside and outside the liquid storage container, and the cleaning liquid in the liquid storage container can smoothly flow out.

Optionally, one of the outer wall of the liquid storage container and the inner wall of the mounting shell is provided with a slide rail, the other is provided with a slide groove, and the slide rail is slidably matched in the slide groove along the axial direction of the placing opening. The liquid storage container and the mounting shell of the range hood are matched with each other through the sliding rail and the sliding groove, so that the liquid storage container and the mounting shell can be quickly matched and mounted.

Optionally, the liquid supply part further comprises an atomizer, the atomizer is arranged on the infusion tube, and the atomizer is used for atomizing the cleaning liquid in the liquid storage container and conveying the cleaning liquid to the blowing part. The cleaning liquid can be atomized and conveyed into the blowing pipe by arranging the atomizer, so that the speed of separating oil stains from the fan is further increased, and the cleaning effect of the range hood is further improved.

Optionally, the blowing component includes an air supercharger and a blowpipe, the air supercharger communicates with the blowhole and is located in front of the fan, a first end of the blowpipe communicates with the air supercharger, and a second end of the blowpipe blows air toward at least one of the inner wall of the scroll casing, the impeller, and the oil mesh. The range hood provided by the utility model has the advantages that the air supercharger is arranged, so that the flow velocity of air flow sprayed by the blowing pipe is higher, the impact force on oil stains is increased, and the oil stain cleaning efficiency of the range hood is further improved.

Optionally, the blowing part further comprises a blower nozzle, the blower nozzle is communicated with the second end of the blowing pipe and extends into the volute, and the blower nozzle is used for blowing air to at least one of the inner wall of the volute and the impeller. The range hood can enlarge the range of the airflow sprayed by the blowpipe by arranging the fan nozzle, and improve the uniformity of the airflow sprayed by the blowpipe, so that the range hood has better cleaning effect.

Optionally, the blowing part further comprises a blowing box, the blowing box is connected with the spiral case, the blowing box is provided with an air inlet communicated with the blowing port and an air outlet connected with the air supercharger, a filter screen is arranged at the air inlet to filter airflow guided from the fan to the air supercharger, and the cleanliness of the cleaned airflow is improved, so that the range hood disclosed by the utility model has a good blowing effect.

Optionally, the blowing part further includes an oil mesh nozzle communicating with the second end of the blow pipe, the oil mesh nozzle having an ejection port opposed to the oil mesh to blow out the air flow containing the cleaning liquid toward the oil mesh. The range hood disclosed by the utility model sprays cleaning solution to the oil net through the spray opening, so that the decontamination efficiency of the oil net is improved.

Drawings

Fig. 1 is a schematic view of a range hood according to an embodiment of the present invention.

Fig. 2 is a partial sectional view of a range hood according to an embodiment of the present invention.

Fig. 3 is a partial schematic view of a range hood according to an embodiment of the present invention.

Fig. 4 is a schematic view of a cleaning assembly of a range hood according to an embodiment of the present invention.

Fig. 5 is a schematic view of a fan of a range hood according to an embodiment of the present invention.

FIG. 6 is a schematic view of a liquid supply part of a range hood according to an embodiment of the present invention.

Fig. 7 is a partially enlarged view of a portion a in fig. 6.

Fig. 8 is a schematic view of a liquid storage container of a range hood according to an embodiment of the present invention.

Fig. 9 is a schematic diagram of the matching of a liquid storage container and a mounting shell of the range hood according to the embodiment of the utility model.

Fig. 10 is a schematic view of a lock head of a range hood in a second position according to an embodiment of the utility model.

Fig. 11 is a schematic view of a lock head of a range hood in a first position according to an embodiment of the present invention.

Fig. 12 is a sectional view of a range hood according to an embodiment of the present invention.

Reference numerals:

1. a cigarette machine body; 11. a placement port; 12. a panel; 13. an oil screen;

2. a fan; 21. a volute; 211. an air outlet; 212. an air blowing port; 213. an air suction opening; 22. an impeller;

3. a cleaning assembly;

31. a liquid supply part;

311. a reservoir; 3111. a lock head; 3112. a water outlet; 3113. a water injection port; 3114. an exhaust port; 3115. a slide rail;

312. a transfusion tube;

313. mounting a shell; 3131. a mounting cavity; 3132. locking; 3133. a chute;

314. a locking member; 3141. moving the column; 31411. sealing the end; 31412. a butting end; 3142. an elastic member; 3143. a first seal member; 3144. a second seal.

315. An atomizer;

32. a blowing part; 321. an air supercharger; 322. a blowpipe; 323. a fan nozzle; 324. a blow box; 3241. a filter screen; 325. an oil screen nozzle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

A range hood according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 5, a range hood according to an embodiment of the present invention includes: the range hood comprises a range hood body 1, an oil screen 13, a fan 2 and a cleaning assembly 3. Oil net 13 is located in cigarette machine body 1, fan 2 includes spiral case 21 and impeller 22, be equipped with inlet scoop 25 on the spiral case 21, air exit 211 and blowing opening 212, blowing opening 212 is compared and is more close to air exit 211 in inlet scoop 25, inlet scoop 25 is circular on the whole, impeller 22 installs inlet scoop 25 position department in spiral case 21, cleaning assembly 3 includes air blowing component 32 and liquid supply component 31, liquid supply component 31 and air blowing component 32 intercommunication are in order to be used for to air blowing component 32 transport cleaning solution, air blowing component 32's first end and blowing opening 212 intercommunication, air blowing component 32's second end is towards impeller 22, at least one of spiral case 21's inner wall and oil net 13 blows out the air current that contains the cleaning solution in order to sweep the greasy dirt on at least one.

According to the range hood disclosed by the embodiment of the utility model, the cleaning liquid is stored in the liquid supply part 31, and the liquid supply part 31 can supply the cleaning liquid to the blowing part 32, so that the blowing part 32 connected with the blowing port 212 blows out the air flow containing the cleaning liquid towards at least one of the inner wall of the volute 21, the impeller 22 and the oil net 13, so that the oil stain on at least one of the inner wall of the volute 21, the impeller 22 and the oil net 13 is cleaned, the cleaning efficiency of the range hood is higher, and the range hood disclosed by the utility model shares the same fan as a power source in a smoke exhaust mode and a cleaning mode, so that the range hood is compact in structure and small in volume.

In addition, the blowing port 212 is closer to the air outlet 211 than the air suction port 25, so that the blowing effect of the blowing port 212 of the fan 2 can be improved, the cleaning efficiency of the range hood is further improved, and the processing and manufacturing of the volute 21 can be facilitated because the blowing port 212 is closer to the air outlet 211. Further, the air suction opening 25 is substantially circular, in other words, the outer peripheral profile of the cross section of the air suction opening 25 is circular, so that the air flow when the fan 2 sucks air can be more uniform, and the blowing and exhausting effects of the fan 2 are better.

As shown in fig. 1 and 6, the liquid supply part 31 comprises a liquid storage container 311 for storing cleaning liquid, a liquid conveying pipe 312 for conveying the cleaning liquid, and a mounting shell 313, the mounting shell 313 is connected with the cigarette making machine body 1, the liquid storage container 311 is detachably mounted in the mounting shell 313, a first end of the liquid conveying pipe 312 is connected with the mounting shell 313 and communicated with the liquid storage container 311, and a second end of the liquid conveying pipe 312 is communicated with the blowing part 32. According to the range hood disclosed by the embodiment of the utility model, the cleaning liquid is stored in the liquid storage container 311, the liquid storage container 311 is installed in the installation shell 313, when the cleaning liquid needs to be added into the liquid storage container 311, the liquid storage container 311 is detached from the installation shell 313, then the cleaning liquid is added into the liquid storage container 311, after the cleaning liquid is added, the liquid storage container 311 is installed into the installation shell 313, and the liquid storage container 311 is detachably installed in the installation shell 313, so that the cleaning liquid is conveniently added into the liquid storage container 311, and the range hood is high in practicability.

It can be understood that, as shown in fig. 4 and 5, the second end of the blowing component 32 may only blow out the airflow containing the cleaning liquid toward the impeller 22 to purge the oil stains on the impeller 22, may also blow out the airflow containing the cleaning liquid toward the inner wall of the volute 21 to purge the oil stains on the inner wall of the volute 21, and may also blow out the airflow containing the cleaning liquid toward the oil screen 13 to purge the oil stains on the oil screen 13. For another example, the second end of the blowing component 32 can simultaneously blow out the airflow containing the cleaning solution toward the impeller 22, the inner wall of the volute 21 opposite to the periphery of the impeller 22, and the oil screen 13, so as to simultaneously remove the oil stains on the inner wall of the volute 21, the impeller 22, and the oil screen 13, so that the range hood according to the embodiment of the utility model has high cleaning efficiency and good user experience.

Therefore, the range hood provided by the embodiment of the utility model has the advantages of high cleaning efficiency, good user experience, high practicability and the like.

For convenience of description, the up-down direction, the left-right direction, and the front-rear direction in fig. 3 are hereinafter referred to as the up-down direction, the left-right direction, and the front-rear direction of the range hood.

As shown in fig. 12, the range hood body 1 includes a panel 12, the panel 12 is disposed at the front of the range hood body 1, an oil screen 13 is installed at the inner side of the panel 12, and the rear surface of the range hood is fixed on the wall of the kitchen. For convenience of description, the impeller 22, the inner wall of the scroll 23, or the oil screen 13 will be collectively referred to as an area to be cleaned hereinafter. The range hood has a smoke evacuation mode and a cleaning mode. When the range hood is in the smoke exhaust mode, the air suction opening 213 is communicated with the air exhaust opening 211 to exhaust the oil smoke in the kitchen. When the range hood is in a cleaning mode, the suction opening 213 is communicated with the blowing opening 212, and the range hood of the embodiment of the utility model utilizes the blowing part 32 to guide the airflow of the blowing opening 212 to the area to be cleaned, so that oil stains in the area to be cleaned are swept, the user experience is good, and the cleaning efficiency is high.

In some embodiments, as shown in fig. 8, a water filling port 3113 and an air exhaust port 3114 are disposed at the top of the liquid storage container 311, and a cleaning liquid is added into the liquid storage container 311 through the water filling port 3113, which is simple and convenient to operate, when the cleaning liquid in the liquid storage container 311 flows out, the air in the liquid storage container 311 is exhausted through the air exhaust port 3114, so that the same pressure is maintained inside and outside the liquid storage container 311, and the cleaning liquid in the liquid storage container 311 can flow out smoothly.

In some embodiments, as shown in figures 1, 2 and 6, the side wall of the cigarette maker body 1 is provided with a placement port 11, a mounting cavity 3131 is provided within the mounting shell 313, and the mounting cavity 3131 is open opposite the placement port 11 such that the reservoir 311 is mounted within the mounting cavity 3131 through the placement port 11. When cleaning liquid needs to be added into the liquid storage container 311, the liquid storage container 311 is drawn out from the mounting cavity 3131 to separate the liquid storage container 311 from the placing port 11, so that the cleaning liquid is added into the liquid storage container 311 through the water filling port 3113; after the cleaning liquid is added to the liquid storage container 311, the liquid storage container 311 is installed in the installation cavity 3131 through the placing port 11, so that the liquid storage container 311 and the installation cavity 3131 are convenient to disassemble and assemble, and the cleaning liquid is convenient to add.

In some embodiments, one of the outer wall of the liquid storage container 311 and the inner wall of the mounting case 313 is provided with a slide rail 3115, and the other is provided with a slide groove 3133, the slide rail 3115 being slidably fitted in the slide groove 3133 in the axial direction of the placing port 11. For example, as shown in fig. 9, a sliding groove 3133 is disposed on an inner wall of the mounting housing 313, and a sliding rail 3115 is disposed on an outer wall of the liquid storage container 311, and the range hood according to the embodiment of the present invention can be installed by quickly fitting the liquid storage container 311 and the mounting housing 313 through the cooperation of the sliding rail 3115 and the sliding groove 3133.

Optionally, the liquid storage container 311 is clamped in the mounting cavity 3131, so that the liquid storage container 311 is stably mounted in the mounting cavity 3131, and the liquid storage container 311 is prevented from being separated from the mounting cavity 3131 after being mounted, thereby ensuring the stability and reliability of the operation of the range hood and ensuring better user experience.

Further, one of the liquid storage container 311 and the mounting case 313 is provided with a lock 3111, the other is provided with a lock 3132, and the lock 3111 is clamped in the lock 3132. That is, as shown in fig. 10 and 11, a lock 3111 may be provided at one end of the liquid storage 311 and a lock 3132 may be provided on the mounting case 313, or the lock 3111 may be provided at one end of the mounting case 313 and the lock 3132 may be provided at one end of the liquid storage 311. The liquid storage container 311 is stably installed in the installation shell 313 under the action of the lock head 3111 and the lock 3132, so that the operation reliability of the range hood of the embodiment of the utility model in the process of cleaning is improved, and the user experience is better.

In some embodiments, as shown in fig. 6 to 11, the liquid supply part 31 further includes a lock member 314, the lock member 314 is disposed at the water outlet 3112 of the liquid storage container 311 and is movable between a first position (as shown in fig. 11), in which the water outlet 3112 is communicated with the liquid conveying tube 312 through the lock member 314, and a second position (as shown in fig. 10), in which the lock member 314 blocks the water outlet 3112.

Therefore, as shown in fig. 7, fig. 8 and fig. 11, when the lock head 3111 is engaged with the latch 3132, the locking member 314 moves from the second position to the first position, the liquid storage container 311 is stably installed in the installation cavity 3131, and the cleaning liquid in the liquid storage container 311 flows into the infusion tube 312 through the water outlet 3112. As shown in fig. 10, when the lock head 3111 is separated from the latch 3132, the locking member 314 moves from the first position to the second position, and the water outlet 3112 of the reservoir 311 is blocked by the locking member 314 to prevent the cleaning liquid in the reservoir 311 from flowing out. The water outlet 3112 of the liquid storage container 311 of the embodiment of the utility model is automatically controlled by the locking member 314, so that the operation is simple and the practicability is strong.

In some embodiments, as shown in fig. 6 to 8, the locking member 314 includes a moving post 3141 and an elastic member 3142, the moving post 3141 is slidably connected to the water outlet 3112, an end of the moving post 3141 adjacent to the infusion tube 312 is an abutting end 31412, an end of the moving post 3141 away from the infusion tube 312 is a sealing end 31411, the elastic member 3142 is sleeved on the moving post 3141, the elastic member 3142 presses the moving post 3141 toward the abutting end 31411 toward the abutting end 31412, in the first position, the abutting end 31412 abuts against the mounting housing 313 to space the sealing end 31411 from the water outlet 3112, and in the second position, the sealing end 31411 blocks the water outlet 3112.

In order to make the technical solution of the present application easier to understand, the technical solution of the present application is further described below by taking as an example that the axial direction of the moving post 3141 coincides with the left-right direction as shown in fig. 6 to 8.

For example, as shown in fig. 8, the moving post 3141 penetrates the water outlet 3112 and can slide left and right, the sealing end 31411 of the moving post 3141 is located on the left side of the water outlet 3112, and the abutting end 31412 of the moving post 3141 is located on the right side of the water outlet 3112. Alternatively, the elastic member 3142 may be a spring, and the elastic member 3142 is located between the right end surface of the water outlet 3112 and the abutting end 31412 and gives the moving post 3141 an elastic force to the right. In the second position, the right end surface of the sealing end 31411 is tightly attached to the left end surface of the water outlet 3122 by the elastic member 3142 to seal the water outlet 3112, so as to prevent the cleaning liquid in the liquid storage container 311 from flowing out. In the first position, the contact end 31412 contacts with the mounting housing 313, the elastic member 3142 is compressed, and the sealing end 31411 is separated from the water outlet 3112, so that the cleaning liquid in the liquid storage container 311 flows into the infusion tube 312 through the water outlet 3112. The range hood disclosed by the embodiment of the utility model controls the cleaning liquid in the liquid storage container 311 to flow out through the sealing end 31411 and the abutting end 31412, and has the advantages of simple structure, convenience in operation and strong practicability.

Further, as shown in fig. 7, the locking member 314 further includes a first sealing member 3143, and the first sealing member 3143 is disposed between the sealing end 31411 and the water outlet 3112. Optionally, the first sealing member 3143 may be made of rubber or silica gel, and in the second position, the first sealing member 3143 is tightly attached to the left end surface of the water outlet 3112, and the first sealing member 3143 is made of rubber or silica gel, so that the sealing performance of the water outlet 3112 is enhanced.

Further, as shown in fig. 7, the locking member 314 further includes a second sealing member 3144, and in the first position, two ends of the second sealing member 3144 abut against the liquid storage container 311 and the mounting shell 313 respectively to form a sealing cavity, and the sealing cavity is communicated with the water outlet 3112 and the infusion tube 312. Optionally, the second sealing member 3144 may be made of rubber or silica gel, and in the first position, the left end surface of the second sealing member 3144 is tightly attached to the liquid storage container 311, the right end surface of the second sealing member 3144 is tightly attached to the mounting shell 313, and the second sealing member 3144 enhances the sealing performance of the sealing cavity to prevent the cleaning liquid flowing out of the water outlet 3112 from flowing into the mounting cavity 3131 through the sealing cavity, so that a user experience is better.

In some embodiments, as shown in fig. 4, the liquid supply unit 31 further includes an atomizer 315, the atomizer 315 is disposed on the liquid conveying tube 312, and the atomizer 315 is used for atomizing and conveying the cleaning liquid in the liquid storage container 311 to the blowing unit 32. The range hood provided by the embodiment of the utility model can atomize the cleaning liquid and convey the cleaning liquid into the blowpipe 322 by arranging the atomizer 315. In other words, one end of the blowpipe 322 communicates with the blowhole 212, and the other end of the blowpipe 322 is directed toward one of the impeller 22, the inner wall of the scroll casing 21, and the oil mesh 13, or the other end of the blowpipe 322 is branched into two lines which are directed toward any two of the impeller 22, the inner wall of the scroll casing 21, and the oil mesh 13, respectively, or the other end of the blowpipe 322 is branched into three lines which are opposed to the impeller 22, the inner wall of the scroll casing 21, and the oil mesh 13, respectively. The range hood provided by the embodiment of the utility model can atomize the cleaning liquid and convey the cleaning liquid into the blowing pipe 322 by arranging the atomizer 315, so that the speed of separating oil stains from the fan 2 is further increased, and the cleaning effect of the range hood is further improved.

Optionally, the atomizer 315 and the liquid storage container 311 are detachably connected, so that when the atomizer 315 and the liquid storage container 311 need to be replaced in the using process, the atomizer 315 and the liquid storage container 311 which have faults can be replaced quickly, and the practicability is high. For example, an infusion tube 312 is provided between the nebulizer 315 and the reservoir 311, the nebulizer 315 is detachably connected to the infusion tube 312, and the reservoir 311 is detachably connected to the infusion tube 312. According to the range hood provided by the embodiment of the utility model, the atomizer 315 and the liquid storage container 311 are detachably connected together, so that the atomizer 315 and the liquid storage container 311 are convenient to disassemble and assemble. When atomizer 315 damages or the cleaning solution in stock solution container 311 exhausts, conveniently change atomizer 315 or stock solution container 311 alone, and then promote user experience.

In some embodiments, the blowing part 32 includes an air supercharger 321 and a blowpipe 322, the air supercharger 321 communicates with the blowport 212 and is located in front of the blower 2, a first end of the blowpipe 322 communicates with the air supercharger 321, and a second end of the blowpipe 322 blows air toward at least one of the inner wall of the scroll casing 21, the impeller 22, and the oil mesh 13. For example, the air supercharger 321 may be an air booster pump or an air compressor. According to the range hood disclosed by the embodiment of the utility model, the air supercharger 321 is arranged, so that the flow velocity of air flow sprayed by the blowpipe 322 is higher, the impact force on oil stains is increased, and the oil stain cleaning efficiency of the range hood is further improved.

Optionally, as shown in fig. 4, the blowing part 32 further includes a blowing box 324, the blowing box 324 is connected to the spiral casing 21, the blowing box 324 has an air inlet communicated with the blowing port 212 and an air outlet connected to the air supercharger 321, and the air inlet is provided with a filter screen 3241 to filter the air flow guided from the fan 2 to the air supercharger 321, so as to improve the cleanliness of the cleaning air flow, and to make the purging effect of the range hood better.

Further, as shown in fig. 4 and 5, the blowing part 32 further includes a fan nozzle 323, the fan nozzle 323 communicates with the second end of the blowing pipe 322 and extends into the scroll casing 21, and the fan nozzle 323 is used for blowing air to at least one of the inner wall of the scroll casing 21 and the impeller 22. Optionally, the number of the blowing pipes 322 is plural, the number of the fan nozzles 323 is plural, the plural fan nozzles 323 correspond to the plural blowing pipes 322 one by one, and the plural fan nozzles 323 are arranged at intervals in the circumferential direction of the air suction opening 213. The range hood provided by the embodiment of the utility model can expand the range of the airflow sprayed by the blowpipe 322 by arranging the plurality of fan nozzles 323, and improve the uniformity of the airflow sprayed by the blowpipe 322, so that the range hood has a better cleaning effect.

Optionally, the fan nozzle 323 is a fan nozzle, and the fan nozzle 323 faces the inner wall of the volute 21, so that the range of the airflow sprayed by the fan nozzle 323 can be further expanded, the cleaning efficiency is further improved, and the user experience is improved.

Further, the blowing part 32 further includes an oil mesh nozzle 325, the oil mesh nozzle 325 communicating with the second end of the blow pipe 322, the oil mesh nozzle 325 having an ejection port opposed to the oil mesh 13 to blow the air flow containing the cleaning liquid toward the oil mesh 13. The range hood provided by the embodiment of the utility model sprays cleaning liquid to the oil net 13 through the spray opening, so that the decontamination efficiency of the oil net 13 is improved.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (16)

1. A range hood, comprising:

a cigarette machine body (1);

the oil screen (13) is arranged in the range hood body (1);

the range hood comprises a fan (2), wherein the fan (2) is arranged in a range hood body (1), the fan (2) comprises a volute (21) and an impeller (22), an air suction opening (213), an air exhaust opening (211) and an air blowing opening (212) are arranged on the volute (21), the air blowing opening (212) is closer to the air exhaust opening (211) than the air suction opening (213), the air suction opening (213) is approximately circular, and the impeller (22) is arranged at the position of the air suction opening (213) in the volute (21);

a cleaning assembly (3), the cleaning assembly (3) comprising a blowing component (32) and a liquid supply component (31), the liquid supply component (31) being in communication with the blowing component (32) for supplying cleaning liquid to the blowing component (32), a first end of the blowing component (32) being in communication with the blowing port (212), a second end of the blowing component (32) blowing a flow of gas containing cleaning liquid towards at least one of the impeller (22), an inner wall of the volute (21) and the oil mesh (13) for purging oil contamination on the at least one.

2. The range hood according to claim 1, characterized in that the liquid supply part (31) comprises a liquid storage container (311) for storing cleaning liquid, a liquid conveying pipe (312) for conveying the cleaning liquid and a mounting shell (313), the mounting shell (313) is connected with the range hood body (1), the liquid storage container (311) is detachably mounted in the mounting shell (313), a first end of the liquid conveying pipe (312) is connected with the mounting shell (313) and communicated with the liquid storage container (311), and a second end of the liquid conveying pipe (312) is communicated with the blowing part (32).

3. A range hood as claimed in claim 2, wherein the side wall of the range hood body (1) is provided with a placing port (11), a mounting cavity (3131) is arranged in the mounting shell (313), and the opening of the mounting cavity (3131) is opposite to the placing port (11), so that the liquid storage container (311) is installed in the mounting cavity (3131) through the placing port (11).

4. A range hood according to claim 3, characterized in that the reservoir (311) is snap-fitted into the mounting cavity (3131).

5. A range hood according to claim 4, characterized in that one of the liquid storage container (311) and the mounting shell (313) is provided with a lock head (3111), the other is provided with a lock catch (3132), and the lock head (3111) is clamped in the lock catch (3132).

6. The range hood according to claim 2, characterized in that the liquid supply part (31) further comprises a locking member (314), the locking member (314) is arranged at a water outlet (3112) of the liquid storage container (311) and is movable between a first position and a second position, in the first position, the water outlet (3112) is communicated with the liquid conveying pipe (312) through the locking member (314), and in the second position, the locking member (314) blocks the water outlet (3112).

7. A range hood according to claim 6, characterized in that the locking piece (314) comprises a moving post (3141) and an elastic piece (3142), the moving column (3141) is connected with the water outlet (3112) in a sliding way, one end of the moving column (3141) adjacent to the infusion tube (312) is an abutting end (31412), one end of the moving column (3141) departing from the infusion tube (312) is a sealing end (31411), the elastic piece (3142) is sleeved on the moving column (3141), the elastic piece (3142) presses the moving column (3141) towards the direction of the abutting end (31412) from the sealing end (31411), in the first position, the abutment end (31412) abuts the mounting shell (313) to space the sealing end (31411) from the water outlet (3112), in the second position, the sealing end (31411) blocks the water outlet (3112).

8. A range hood according to claim 7, characterized in that the locking piece (314) further comprises a first sealing member (3143), the first sealing member (3143) being arranged between the sealing end (31411) and the water outlet (3112).

9. The range hood according to claim 7, characterized in that the locking piece (314) further comprises a second sealing member (3144), and in the first position, two ends of the second sealing member (3144) are respectively abutted with the liquid storage container (311) and the mounting shell (313) to form a sealing cavity which is communicated with the water outlet (3112) and the liquid conveying pipe (312).

10. A range hood according to claim 2, characterized in that the top of the liquid reservoir (311) is provided with a water injection port (3113) and an air exhaust port (3114).

11. A range hood according to claim 3, characterized in that one of the outer wall of the liquid storage container (311) and the inner wall of the mounting case (313) is provided with a slide rail (3115) and the other is provided with a slide groove (3133), the slide rail (3115) being slidably fitted in the slide groove (3133) in the axial direction of the placing port (11).

12. A range hood as set forth in claim 2, wherein the liquid supply part (31) further comprises an atomizer (315), the atomizer (315) is disposed on the liquid transport tube (312), and the atomizer (315) is configured to atomize the cleaning liquid in the liquid storage container (311) and transport the cleaning liquid to the blowing part (32).

13. A range hood according to any of claims 1-12, characterized in that the blowing part (32) comprises an air booster (321) and a blowpipe (322), the air booster (321) being in communication with the blowport (212) and being located in front of the fan (2), a first end of the blowpipe (322) being in communication with the air booster (321), a second end of the blowpipe (322) blowing air towards at least one of the inner wall of the volute (21), the impeller (22) and the oil net (13).

14. A range hood according to claim 13, characterized in that the blowing part (32) further comprises a fan nozzle (323), the fan nozzle (323) communicating with the second end of the blowing pipe (322) and extending into the volute (21), the fan nozzle (323) being adapted to blow air to at least one of the inner wall of the volute (21) and the impeller (22).

15. A range hood as claimed in claim 13, characterized in that the blowing part (32) further comprises a blowing box (324), the blowing box (324) being connected to the volute (21), the blowing box (324) having an air inlet communicating with the blowing opening (212) and an air outlet connected to the air booster (321), the air inlet being provided with a filter screen (3241).

16. A hood according to claim 13, characterized in that said blowing part (32) further comprises an oil net nozzle (325), said oil net nozzle (325) communicating with a second end of said blowing pipe (322), said oil net nozzle (325) having an ejection port opposite to said oil net (13) to blow out an air stream containing the cleaning liquid toward said oil net (13).

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