CN210399045U

CN210399045U - Range hood with self-cleaning function

Info

Publication number: CN210399045U
Application number: CN201920626625.7U
Authority: CN
Inventors: 陈龙灿
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-04-24
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to a range hood with self-cleaning function, including casing and filter screen, the casing has the air intake, on this air intake was located to the filter screen, its characterized in that: the filter screen has the louver type structure that can open or close the air intake, be provided with in the casing and carry out the scraping piece of scraping to the internal face of filter screen under the filter screen is with the air intake closed condition, thereby still be provided with the driving piece that can drive this scraping piece reciprocating motion and carry out the scraping to the filter screen internal face in the casing. The utility model adopts the filter screen with the shutter type structure, and the filter screen is opened when the range hood is in the oil smoke absorption state, and the range hood is sucked from the air inlet; when the filter screen needs to be cleaned, the filter screen is closed, oil smoke on the outer side wall of the filter screen can be manually erased, and oil stains on the inner wall surface of the filter screen can be scraped and removed through the scraping piece, so that the filter screen is kept clean.

Description

Range hood with self-cleaning function

Technical Field

The utility model relates to a range hood with self-cleaning function.

Background

The self-cleaning technology of the existing range hood mainly cleans a volute and an impeller of the range hood, for example, in an invention patent with the application number of CN201610790285, ultrasonic vibrators are used for cleaning the impeller, the volute and other parts. However, the impeller volute needs to be soaked, which easily causes short circuit of the motor; meanwhile, the long-term vibration of the ultrasonic vibrator is easy to shake off the paint blocks on the surfaces of the impellers, dynamic balance is affected, assembling gaps among the motor impellers are easily increased, and potential safety hazards exist.

Chinese utility model patent No. CN 204285570U entitled "a rotating centrifugal oil-fume separation device" (application No. 201420732722.1) discloses a structure, which includes a rotating net disk and a wind wheel, the rotating net disk is installed at the wind wheel wind inlet, the edge of the rotating net disk is connected with the edge of the front ring of the wind wheel or the center of the rotating net disk is connected with the center of the wind wheel or the rotating net disk and the front ring of the wind wheel are integrally formed, the structure can realize oil-fume purification to a certain extent, however, in the using process, the grease adhered on the rotating net disk is naturally removed by the centrifugal action, and the grease adhered on the rotating net disk inevitably can be adhered to the rotating centrifugal oil-fume separation device after long-time use, thereby affecting the filtering performance of the rotating net disk. The invention patent with the application number of CN201710090668 adopts a steam spraying mode to clean the filter screen, and an additional cleaning module is added in the scheme, so that the cost is increased, and the reliability is reduced; meanwhile, the power of the additional module is limited, the cleaning force of the scheme is small, and the cleaning is not thorough.

Moreover, the above existing filter screen self-cleaning structure is all cleaned aiming at the filter screen installed at the air inlet of the fan, and cannot be cleaned aiming at the filter screen at the air inlet of the smoke collecting hood, and in practical application, the filter screen at the air inlet of the smoke collecting hood contacts with oil smoke particles first, so that the accumulated dirt is easier, and if the filter screen is not cleaned for a long time, the filter performance of the range hood is easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, thereby provide one kind and can wipe the greasy dirt at the filter screen back and keep the clear range hood that has self-cleaning function of filter screen.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood with self-cleaning function, includes casing and filter screen, the casing has the air intake, the filter screen is located on this air intake, its characterized in that: the filter screen has the louver type structure that can open or close the air intake, be provided with in the casing and carry out the scraping piece of scraping to the internal face of filter screen under the filter screen is with the air intake closed condition, thereby still be provided with the driving piece that can drive this scraping piece reciprocating motion and carry out the scraping to the filter screen internal face in the casing.

Preferably, the scraping piece is a sponge brush extending along the length direction of the filter screen, the driving piece is an electric push rod arranged on the inner wall surface of the shell and arranged on two sides of the filter screen, and the end part of the electric push rod is correspondingly connected with the end part of the sponge brush. The electric push rod can push the scraping piece to move back and forth relative to the filter screen, so that oil stains on the back of the filter screen are wiped off, and the back of the filter screen is kept clean.

As an improvement, the range hood also comprises a water spray pipe arranged above the air inlet and the scraping piece, the end part of the water spray pipe is connected with a water source, and the side wall of the water spray pipe is provided with a plurality of water spray holes arranged towards the scraping piece. The structure can spray the washing liquid to the scraping piece, and the cleaning effect is improved.

Preferably, the inner wall surface of the shell is provided with a water squeezing strip which extends along the length direction of the air inlet and is arranged close to the lower edge of the air inlet, and the scraping piece moves downwards to the position of the water squeezing strip to be squeezed and drained. The outer side wall of the water squeezing strip is formed into a squeezing surface which is gradually inclined downwards from front to back so as to be contacted and squeezed with the scraping piece, and a plurality of draining holes which are arranged at intervals and are communicated are formed in the water squeezing strip. The structure can extrude and discharge the cleaning solution adhered with the oil stains in the scraping piece so as to be used continuously next time.

Preferably, the bottom of the shell is provided with an oil cup which can bear dirt flowing down on the inner wall of the shell, and the oil cup is arranged corresponding to the water squeezing strip. The structure is convenient for discharging the used washing liquid.

Preferably, a partition board capable of dividing the space of the oil cup into a first space and a second space is arranged in the oil cup, the first space is arranged corresponding to the wringing strips, the second space is used for containing washing liquid and is connected with the water spray pipe through a liquid guide pipe, and a water pump for providing power for liquid conveying is arranged on the liquid guide pipe. The inner wall of the shell is provided with a baffle plate which can prevent the washing liquid from flowing into the second space, the baffle plate extends from top to bottom, and the lower end of the baffle plate is arranged corresponding to the separation position of the first space and the second space. The structure is convenient for supplying liquid to the water spray pipe and simplifies the structure of water supply and the oil cup.

In each scheme, the filter screen includes louver board, locating lever, gangbar, slide bar and motor, the louver board is connected respectively on the locating lever for a plurality of and the tip of each louver board, the gangbar can locate the locating lever outside to the locating lever parallel sliding mutually, and the tip of each louver board can rotate respectively through a U-shaped spare and connect on locating lever and gangbar, the one end of slide bar is connected perpendicularly on the gangbar, be connected with the linking arm of seting up the spout on the output shaft of motor, the restraint that the other end of slide bar can slide is in the spout of linking arm. The output shaft of the motor rotates to drive the linkage rod to slide relative to the positioning rod through the connecting arm and the sliding rod, so that the position of the U-shaped piece relative to the positioning rod and the linkage rod is changed, the distance between the louver boards is adjusted, and the filter screen is driven to be opened or closed.

Compared with the prior art, the utility model has the advantages of: the utility model adopts the filter screen with the shutter type structure, and the filter screen is opened when the range hood is in the oil smoke absorption state, and the range hood is sucked from the air inlet; when the filter screen needs to be cleaned, the filter screen is closed, oil smoke on the outer side wall of the filter screen can be manually erased, and oil stains on the inner wall surface of the filter screen can be scraped and removed through the scraping piece, so that the filter screen is kept clean.

Drawings

Fig. 1 is a schematic structural diagram (a closed state of a filter screen) of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the water-extruding strip of FIG. 2;

FIG. 4 is another cross-sectional view of FIG. 1;

fig. 5 is a partial cross-sectional view of an embodiment of the present invention (screen open);

fig. 6 is an exploded view of the screen of fig. 5.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the range hood with the self-cleaning function in the embodiment includes a housing 1 and a filter screen 2, the housing 1 has an air inlet 11, the filter screen 2 is disposed on the air inlet 11, the filter screen 2 has a louver type structure capable of opening or closing the air inlet 11, a scraping member 3 capable of scraping the inner wall surface of the filter screen 2 in a state that the air inlet 11 is closed by the filter screen 2 is disposed in the housing 1, and a driving member 4 capable of driving the scraping member 3 to move back and forth to scrape the inner wall surface of the filter screen 2 is further disposed in the housing 1. The scraping piece 3 of this embodiment is the sponge brush that extends along filter screen 2 length direction, and driving piece 4 is for locating the electric putter on casing 1 internal face and arranging the both sides at filter screen 2, and electric putter's tip and the corresponding connection of tip of sponge brush. The electric push rod can push the scraping piece 3 to move back and forth relative to the filter screen 2, so that oil stains on the back of the filter screen 2 are wiped off, and the back of the filter screen 2 is kept clean.

The filter screen 2 of this embodiment includes a plurality of louver boards 21, a positioning rod 22, a linkage rod 23, a sliding rod 24 and a motor 25, the positioning rod 22 is fixed on the casing 1 along the edge of the side portion of the air inlet 11, the louver boards 21 are multiple, the end portions of the louver boards 21 are respectively connected to the positioning rod 22, the linkage rod 23 is arranged outside the positioning rod 22 in a manner of parallel sliding relative to the positioning rod 22, the end portions of the louver boards 21 are respectively rotatably connected to the positioning rod 22 and the linkage rod 23 through a U-shaped member 26, that is, the middle portion of the U-shaped member 26 is fixedly connected to the inner wall surface of the louver boards 21 near the end portions, the two side edges of the U-shaped member 26 are respectively inserted into the positioning rod 22 and the linkage rod 23 as

pin shafts

261, 262, the positioning rod 22 and the linkage rod 23 are respectively provided with

shaft holes

221, 231 for inserting the

pin shafts

261, 262, respectively, one end of the sliding rod 24 is vertically connected to, the inclined direction of the sliding groove 271 is matched with the angle of the louver board 21 in the rotating and opening state, and the other end of the sliding rod 24 can be slidably constrained in the sliding groove 271 of the connecting arm 27. The specific shutter type structure is the existing mature technology and is not described herein. The output shaft of the motor 25 can rotate to drive the linkage rod 23 to slide relative to the positioning rod 22 through the connecting arm 27 and the sliding rod 24, so that the position of the U-shaped piece 26 relative to the positioning rod 22 and the linkage rod 23 is changed, the distance between the louver plates 21 is further adjusted, and the filter screen 2 is driven to be opened or closed.

In this embodiment, the range hood further includes a water spraying pipe 5 disposed above the air inlet 11 and the scraping member 3, an end of the water spraying pipe 5 is connected to a water source, and a plurality of water spraying holes arranged toward the scraping member 3 are formed on a side wall of the water spraying pipe 5. This configuration can spray the washing liquid to the scraping member 3, improving the cleaning effect. The inner wall surface of the shell 1 is provided with a wringing strip 6 which extends along the length direction of the air inlet 11 and is arranged close to the lower edge of the air inlet 11, and the scraping piece 3 moves downwards to the wringing strip 6 to be squeezed and drained. The outer side wall of the water-squeezing strip 6 is formed as a squeezing surface 61 which is gradually inclined downward from front to back so as to be squeezed in contact with the scraping member 3, and the squeezing surface 61 may be two or three which may be engaged with each other and whose gradient gradually increases from top to bottom. The water squeezing strip 6 is provided with a plurality of draining holes 62 which are arranged at intervals and are communicated. The above structure can squeeze out the washing liquid adhered with the oil stains in the scraping member 3 and discharge the washing liquid downward through the draining holes 62, so as to be used continuously next time.

The bottom of the shell 1 is provided with an oil cup 7 which can receive the sewage flowing down on the inner wall of the shell 1, the oil cup 7 is arranged corresponding to the water squeezing strip 6, and the structure is convenient for discharging the used washing liquid. The oil cup 7 is provided with a partition plate 73 which can divide the space of the oil cup 7 into a first space 71 and a second space 72, the first space 71 is arranged corresponding to the water squeezing strip 6, the second space 72 is used for containing washing liquid and is connected with the water spraying pipe 5 through a liquid guide pipe 8, and the liquid guide pipe 8 is provided with a water pump 81 which provides power for liquid conveying. The inner wall of the casing 1 is provided with a baffle plate 12 capable of preventing the washing liquid from flowing into the second space 72, the baffle plate 12 extends from top to bottom, and the lower end of the baffle plate 12 is arranged corresponding to the separation position of the first space 71 and the second space 72. The structure is convenient for supplying liquid to the spray pipe 5 and simplifies the structure of the water supply and oil cup 7.

In the state of sucking oil smoke, the filter screen 2 is opened, and the range hood sucks oil smoke from the air inlet 11; when the filter screen 2 needs to be cleaned, the filter screen 2 is closed, oil smoke on the outer side wall of the filter screen 2 can be manually erased, and oil stains on the inner wall surface of the filter screen 2 can be scraped and removed through the scraping piece 3, so that the filter screen is kept clean.

Claims

1. The utility model provides a range hood with self-cleaning function, includes casing (1) and filter screen (2), casing (1) has air intake (11), on this air intake (11) was located in filter screen (2), its characterized in that: the utility model discloses a cleaning device, including casing (1), filter screen (2) have can open air intake (11) or the shutter formula structure of closing, be provided with in casing (1) and carry out scraping piece (3) of scraping to the internal face of filter screen (2) under filter screen (2) with air intake (11) closed condition, thereby still be provided with in casing (1) and drive this scraping piece (3) reciprocating motion and carry out driving piece (4) of scraping to filter screen (2) internal face.

2. The range hood with self-cleaning function of claim 1, wherein: scraping piece (3) be the sponge brush that extends along filter screen (2) length direction, driving piece (4) are for locating on casing (1) internal face and arrange the electric putter in filter screen (2) both sides, electric putter's tip and sponge brush's tip are corresponding to be connected.

3. The range hood with self-cleaning function of claim 1, wherein: the cleaning device is characterized by further comprising a water spraying pipe (5) arranged above the air inlet (11) and the scraping piece (3), the end of the water spraying pipe (5) is connected with a water source, and a plurality of water spraying holes arranged towards the scraping piece (3) are formed in the side wall of the water spraying pipe (5).

4. The range hood with self-cleaning function according to claim 3, wherein: the inner wall surface of the shell (1) is provided with a water squeezing strip (6) which extends along the length direction of the air inlet (11) and is arranged close to the lower edge of the air inlet (11), and the scraping piece (3) moves downwards to the position of the water squeezing strip (6) to be squeezed and drained.

5. The range hood with self-cleaning function according to claim 4, wherein: the outer side wall of the water squeezing strip (6) is formed into a squeezing surface (61) which is gradually inclined downwards from front to back so as to be contacted and squeezed with the scraping piece (3), and a plurality of draining holes (62) which are arranged at intervals and are communicated are formed in the water squeezing strip (6).

6. The range hood with self-cleaning function according to claim 5, wherein: an oil cup (7) capable of bearing dirt flowing down on the inner wall of the shell (1) is installed at the bottom of the shell (1), and the oil cup (7) is arranged corresponding to the water squeezing strip (6).

7. The range hood with self-cleaning function of claim 6, wherein: be provided with baffle (73) that can separate the space of oil cup (7) for first space (71), second space (72) in oil cup (7), first space (71) correspond crowded water strip (6) and arrange, second space (72) are used for holding the washing liquid and are connected with spray pipe (5) through catheter (8), be provided with water pump (81) that provide power for liquid transport on catheter (8).

8. The range hood with self-cleaning function according to any one of claims 1 to 7, wherein: filter screen (2) include louver board (21), locating lever (22), gangbar (23), slide bar (24) and motor (25), louver board (21) are a plurality of and the tip of each louver board (21) is connected respectively on locating lever (22), gangbar (23) can locate the locating lever (22) outside to locating lever (22) parallel sliding mutually, and the tip of each louver board (21) can be connected respectively rotatably on locating lever (22) and gangbar (23) through a U-shaped piece (26), the one end of slide bar (24) is connected perpendicularly on gangbar (23), be connected with linking arm (27) of seting up spout (271) on the output shaft of motor (25), the restraint that the other end of slide bar (24) can slide is in spout (271) of linking arm (27).