CN216079994U

CN216079994U - Fume exhaust fan

Info

Publication number: CN216079994U
Application number: CN202122402075.0U
Authority: CN
Inventors: 项章特; 彭臣西; 唐浩亭
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-18
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a range hood, which comprises a shell and a fan frame arranged above the shell, wherein a fan system is arranged in the fan frame, an air inlet is formed between the shell and the fan frame, a smoke inlet cavity which is sunken from the front side surface to the inner side is formed on the shell, the air inlet, the smoke inlet cavity and the fan system are communicated in a fluid manner, the shell comprises an air inlet plate which is positioned in the smoke inlet cavity and used for guiding oil smoke to the fan system, and the air inlet plate obliquely extends from the lower part of the air inlet to the upper part of the inner side of the shell, and the range hood is characterized in that: the range hood also comprises a cleaning device for cleaning the air inlet plate. Compared with the prior art, the utility model has the advantages that: can clean the air inlet plate.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil fume purification device, in particular to a range hood.

Background

The range hood is used as an essential kitchen appliance for each family, the range hood has the effects that oil smoke is sucked from the air inlet through the impeller rotating at a high speed in the volute, the oil smoke is filtered by the impeller, the filtered oil smoke is discharged from the air outlet, the purification work of kitchen air is completed, the reasonable air inlet is favorable for improving the oil smoke suction effect, the escape of the oil smoke is reduced, and the air quality of the kitchen is improved.

The application number is 202021790417.X discloses a range hood, including host computer and smoking device, and the host computer includes the host computer shell and sets up fan in the host computer shell, smoking device sets up the below of host computer, including advancing the tobacco smoke surface, smoking device still includes oil net and oil guide plate, and the oil net is located inside smoking device, this oil net is located the side top of advancing the tobacco smoke surface, and the oil net is used for filtering the oil smoke that gets into from advancing the tobacco smoke surface, and oil guide plate position oil net's bottom.

The oil guide plate (air inlet plate) of the patent can be used for guiding oil, oil smoke can be guided to an oil net, the oil smoke is taken away by a fan in a host, after the oil guide plate works for a long time, stains are easily accumulated on the oil guide plate (air inlet plate), and the oil guide plate is required to be manually cleaned, so that the oil guide plate is inconvenient.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a range hood capable of automatically cleaning an air inlet plate aiming at the defects in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a range hood, includes the casing and sets up the fan frame in the casing top, be provided with fan system in the fan frame, be formed with the air intake between casing and the fan frame, be formed with on the casing by the sunken smoke inlet chamber in the inboard of front side surface, air intake, smoke inlet chamber and fan system fluid intercommunication, the casing is including being located the air inlet board that is used for with oil smoke direction fan system of smoke inlet chamber, the air inlet board is extended its characterized in that towards the inboard top slope of casing by the lower part department of air intake: the range hood also comprises a cleaning device for cleaning the air inlet plate.

In order to clean the air inlet plate, the cleaning device comprises a brush body which rubs with the surface of the air inlet plate facing to the oil smoke side through swinging so as to clean the air inlet plate.

Preferably, in order to expand the cleaning range, the brush body is provided with two, left and right spaced, longitudinally arranged air inlet plates.

The two brush bodies synchronously swing.

In order to drive the brush body to swing, the cleaning device further comprises a movement mechanism for driving the brush body to move, the movement mechanism comprises a first driving device, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod and two rotating shafts, the rotating shafts penetrate through the air inlet plate and can rotate relative to the air inlet plate, one end of each rotating shaft is fixedly connected with the lower end of the corresponding brush body, the first driving device comprises an output end, one end of each rotating shaft is fixedly connected with the output end of the first driving device, the other end of each rotating shaft is rotatably connected with one end of each second connecting rod, one end of each third connecting rod and one end of each fourth connecting rod, the end of each fourth connecting rod, far away from the second connecting rod, is fixedly connected with one end of the left rotating shaft, far away from the left brush body, one end of the third connecting rod, which is far away from the second connecting rod, is rotatably connected with one end of the fifth connecting rod, and one end of the fifth connecting rod, which is far away from the third connecting rod, is fixedly connected with one end of the rotating shaft on the right side, which is far away from the brush body on the right side.

In order to spray the cleaning liquid, the cleaning device further comprises a spraying mechanism used for spraying the cleaning liquid towards the air inlet plate, the spraying mechanism comprises a liquid storage tank used for storing the cleaning liquid and a nozzle used for spraying the cleaning liquid in the liquid storage tank to the air inlet plate, and the output end of the liquid storage tank is connected with the input end of the nozzle.

In order to play a role in pressurization and enable the spraying range of the nozzle to be wider, the cleaning device further comprises a pump assembly used for increasing the internal pressure of the liquid storage tank, the pump assembly is arranged on the inner side of the shell, and the pump assembly comprises a pump shell, a piston capable of extruding air in the pump shell, a pipeline used for guiding the air in the piston extrusion pump shell to the inside of the liquid storage tank, and a second driving device used for driving the piston to act.

In order to enable the cleaning solution to cover the air inlet plate better, the liquid storage tanks and the corresponding nozzles are respectively provided with two nozzles, respectively arranged at the left side and the right side of the shell, the two liquid storage tanks are respectively arranged at the inner sides of the left side and the right side of the shell, the corresponding nozzles are respectively extended out of the inner sides of the shell to the smoke inlet cavity, and the two nozzles are respectively arranged at the left side and the right side of the air inlet plate.

In order to facilitate the liquid adding operation of the liquid storage tank, the left side and the right side of the shell are respectively provided with an operation opening convenient for the liquid storage tank liquid adding operation, and the operation opening upper cover is provided with a cover plate.

In order to collect the waste liquid on the air inlet plate, the cleaning device further comprises a storage box for collecting the waste liquid on the air inlet plate.

In order to facilitate the collection waste liquid, and be convenient for picking up and empting of receiver, the receiver is connected with casing pull formula, receiver open-top, the below department that lies in the air inlet plate on the casing is formed with the holding chamber that is used for the holding receiver, the holding chamber is formed by the front side of casing towards inboard sunken, the bottom of air inlet plate is formed with the oil extraction groove sunken below along length direction, set up the oil drain hole with receiver fluid intercommunication in the oil extraction groove.

In order to facilitate the extraction of the storage box, the front side of the storage box is provided with a hand grip convenient for the hand to grasp.

Compared with the prior art, the utility model has the advantages that: the cleaning device is arranged at the air inlet plate, so that the air inlet plate can be cleaned; the air inlet plate can be better cleaned through the swinging brush body and the spraying mechanism capable of spraying the cleaning liquid; the spraying range of the nozzle can be improved by arranging the pump assembly; through setting up the receiver to can collect the fluid on the air inlet plate and the waste liquid after the washing.

Drawings

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

FIG. 2 is a cross-sectional view of a range hood in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged view of portion I of FIG. 2;

fig. 4 is a schematic view of a movement mechanism of the range hood according to the embodiment of the present invention;

FIG. 5 is a schematic view of a spraying mechanism of the range hood according to the embodiment of the present invention;

fig. 6 is an exploded view of the accommodating chamber and the accommodating box of the range hood according to the embodiment of the utility model;

fig. 7 is an exploded view of the operation opening and the cover plate of the range hood according to the embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but 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 that the directional terms are used for purposes of illustration and are not to be considered limiting since the disclosed embodiments of the present invention can be oriented in different directions, such as "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 2, a range hood includes a housing 1 and a fan frame 2 disposed above the housing 1. The fan system 3 is arranged in the fan frame 2, an air inlet 11 is formed between the shell 1 and the fan frame 2, a smoke inlet cavity 12 which is concave towards the inner side from the front side surface is formed on the shell 1, the air inlet 11 is positioned above the smoke inlet cavity 12, and the air inlet 11, the smoke inlet cavity 12 and the fan system 3 are in fluid communication.

The housing 1 comprises an air inlet plate 13 positioned in the smoke inlet chamber 12 for guiding the oil smoke to the fan system 3, wherein the air inlet plate 13 extends from the lower part of the smoke inlet chamber 12 towards the upper part of the inner side of the housing 1 in an inclined way.

Referring to fig. 1 to 2 and 4 to 5, the range hood further includes a cleaning device 4 for cleaning the air inlet plate 13. The cleaning device 4 includes a brush body 48 that rubs against the surface of the air inlet plate 13 facing the soot side by swinging, thereby cleaning the air inlet plate 13. In this embodiment, the two brush bodies 48 are longitudinally arranged on the air inlet plate 13 at a left-right interval, and the two brush bodies 48 synchronously swing.

Referring to fig. 4, the cleaning device 4 further includes a moving mechanism for driving the brush body 48 to operate. The movement mechanism includes a first driving device 41, a first link 42, a second link 43, a third link 44, a fourth link 45, a fifth link 46, and two rotation shafts 47. The rotating shaft 47 penetrates through the air inlet plate 13 and can rotate relative to the air inlet plate 13, one end of the rotating shaft 47 is fixedly connected with the lower end of the corresponding brush body 48, the first driving device 41 comprises an output end 411, one end of the first connecting rod 42 is fixedly connected with the output end 411 of the first driving device 41, the other end of the first connecting rod 42 is rotatably connected with one end of the second connecting rod 43, the second connecting rod 43 is far away from one end of the first connecting rod 42, one end of the third link 44 and one end of the fourth link 45 are rotatably connected to each other, one end of the fourth link 45 away from the second link 43 is fixedly connected to one end of the left rotating shaft 47 away from the left brush 48, one end of the third link 44 away from the second link 43 is rotatably connected to one end of the fifth link 46, and one end of the fifth link 46 away from the third link 44 is fixedly connected to one end of the right rotating shaft 47 away from the right brush 48. The first driving device 41, the first connecting rod 42, the second connecting rod 43, the third connecting rod 44, the fourth connecting rod 45 and the fifth connecting rod 46 are arranged on the inner side of the casing 1 and on the side of the air inlet plate 13 facing away from the oil smoke, and the brush body 48 is arranged on the side of the air inlet plate 13 facing towards the oil smoke.

Referring to fig. 5 and 7, the cleaning device 4 further includes a spraying mechanism for spraying the washer fluid toward the air inlet plate 13. The spraying mechanism includes a reservoir 49 for storing the cleaning liquid, a nozzle 50 for spraying the cleaning liquid in the reservoir 49 toward the air inlet plate 13, and a pump assembly 51 for increasing the pressure inside the reservoir 49. The output of the reservoir 49 is connected to the input of the nozzle 50. The pump assembly 51 is disposed inside the housing 1, and the pump assembly 51 includes a pump housing 511, a piston 512 capable of pressing air in the pump housing 511, a pipe 513 for guiding the air pressed by the piston 512 in the pump housing 511 to the inside of the reservoir 49, and a second driving device 514 for driving the piston 512 to operate. In this embodiment, the liquid storage tanks 49 and the corresponding nozzles 50 are two, respectively disposed on the left and right sides of the casing 1, the two liquid storage tanks 49 are respectively disposed on the inner sides of the left and right sides of the casing 1, the corresponding nozzles 50 are extended from the inner side of the casing 1 to the smoke inlet chamber 12, and the two nozzles 50 are respectively disposed on the left and right sides of the air inlet plate 13. The left side and the right side of the shell 1 are respectively provided with an operation port 15 convenient for liquid adding operation of the liquid storage tank 49, and the upper cover of the operation port 15 is provided with a cover plate 16.

Referring to fig. 2 to 3 and 6, the cleaning device 4 further includes a storage case 52 for collecting waste liquid on the air inlet plate 13. The storage box 52 is connected with the housing 1 in a drawing manner, and the top of the storage box 52 is opened. An accommodating cavity 14 for accommodating the accommodating box 52 is formed on the housing 1 below the air inlet plate 13, and the accommodating cavity 14 is formed by the front side of the housing 1 sinking towards the inner side. An oil drain groove 131 recessed downward is formed in the bottom of the air inlet plate 13 along the longitudinal direction, and oil drain holes 1311, which are in fluid communication with the storage case 52, are formed in the oil drain groove 131, and in this embodiment, the number of the oil drain holes 1311 is 7. The front side of the storage case 52 is provided with a hand grip 521 for facilitating gripping by hand.

After the cleaning mode is started, the special cleaning liquid is automatically sprayed out by the nozzle 50 to dissolve oil stains on the air inlet plate 13, the brush body 48 swings the air inlet plate 13 and sweeps the cleaning liquid and the stains into the oil discharge groove 131, the cleaning liquid and the stains flow into the storage box 52 through the oil discharge hole 1311 in the oil discharge groove 131, the process is continuously circulated, the cleaning mode is finished after a period of time, the brush body 48 swings back to the original position, and then waste liquid in the storage box 52 is poured.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims

1. The utility model provides a range hood, includes casing (1) and sets up fan frame (2) in casing (1) top, be provided with fan system (3) in fan frame (2), be formed with air intake (11) between casing (1) and fan frame (2), be formed with on casing (1) by the front side surface to the sunken smoke inlet chamber (12) of inboard, air intake (11), smoke inlet chamber (12) and fan system (3) fluid intercommunication, casing (1) is including being located the air inlet plate (13) that are used for with oil smoke direction fan system (3) of smoke inlet chamber (12), air inlet plate (13) are extended towards the inboard top slope of casing (1) by the lower part department of air intake (11), its characterized in that: the range hood also comprises a cleaning device (4) for cleaning the air inlet plate (13).

2. The range hood of claim 1, wherein: the cleaning device (4) comprises a brush body (48) which rubs with the surface of the side, facing the oil smoke, of the air inlet plate (13) through swinging so as to clean the air inlet plate (13).

3. The range hood of claim 2, wherein: the brush bodies (48) are longitudinally arranged on the air inlet plate (13) in a left-right spaced mode.

4. The range hood of claim 3, wherein: the two brush bodies (48) synchronously swing.

5. The range hood of claim 4, wherein: the cleaning device (4) further comprises a movement mechanism for driving the brush body (48) to move, the movement mechanism comprises a first driving device (41), a first connecting rod (42), a second connecting rod (43), a third connecting rod (44), a fourth connecting rod (45), a fifth connecting rod (46) and two rotating shafts (47), the rotating shafts (47) penetrate through the air inlet plate (13) and can rotate relative to the air inlet plate (13), one end of each rotating shaft (47) is fixedly connected with the lower end of the corresponding brush body (48), the first driving device (41) comprises an output end (411), one end of each first connecting rod (42) is fixedly connected with the output end (411) of the first driving device (41), the other end of each first connecting rod (42) is rotatably connected with one end of each second connecting rod (43), and one end, far away from the first connecting rod (42), of each second connecting rod (43), Wherein one end of the third connecting rod (44) and one end of the fourth connecting rod (45) are rotatably connected with each other, one end of the fourth connecting rod (45) far away from the second connecting rod (43) and one end of the left rotating shaft (47) far away from the left brush body (48) are fixedly connected, one end of the third connecting rod (44) far away from the second connecting rod (43) is rotatably connected with one end of the fifth connecting rod (46), and one end of the fifth connecting rod (46) far away from the third connecting rod (44) and one end of the right rotating shaft (47) far away from the right brush body (48) are fixedly connected.

6. The range hood of claim 1, wherein: cleaning device (4) still include the spraying mechanism who is used for spraying the washing liquid towards air inlet plate (13), spraying mechanism is including liquid reserve tank (49) that is used for storing the washing liquid and being used for spouting nozzle (50) to air inlet plate (13) with the washing liquid in liquid reserve tank (49), the output and the input of nozzle (50) of liquid reserve tank (49) are connected.

7. The range hood of claim 6, wherein: the cleaning device (4) further comprises a pump assembly (51) for increasing the pressure in the liquid storage tank (49), the pump assembly (51) is arranged on the inner side of the shell (1), and the pump assembly (51) comprises a pump shell (511), a piston (512) capable of pressing air in the pump shell (511), a pipeline (513) for guiding the air pressed by the piston (512) in the pump shell (511) to the inside of the liquid storage tank (49), and a second driving device (514) for driving the piston (512) to act.

8. The range hood of claim 6 or 7, wherein: liquid reserve tank (49) and corresponding nozzle (50) all have two, set up respectively in the left and right sides of casing (1), two liquid reserve tanks (49) set up respectively in the inboard of casing (1) left and right sides, corresponding nozzle (50) stretch out to into smoke cavity (12) by the inboard of casing (1), two nozzles (50) are located the left and right sides of air inlet plate (13) respectively.

9. The range hood of claim 8, wherein: the left side and the right side of the shell (1) are respectively provided with an operation opening (15) convenient for liquid adding operation of the liquid storage tank (49), and a cover plate (16) is covered on the operation opening (15).

10. The range hood of claim 6 or 7, wherein: the cleaning device (4) further comprises a storage box (52) used for collecting waste liquid on the air inlet plate (13).

11. The range hood of claim 10, wherein: receiver (52) are connected with casing (1) pull formula, receiver (52) open-top, the below department that lies in air inlet plate (13) on casing (1) is formed with holding chamber (14) that are used for holding receiver (52), holding chamber (14) are formed by the front side of casing (1) towards the inboard sunken, the bottom of air inlet plate (13) is formed with oil extraction groove (131) sunken downwards along length direction, oil extraction hole (1311) with receiver (52) fluid intercommunication is seted up in oil extraction groove (131).

12. The range hood of claim 11, wherein: the front side of the storage box (52) is provided with a gripper (521) which is convenient for gripping by hands.