CN109519987B - Oil filter screen and range hood using same - Google Patents
Oil filter screen and range hood using same Download PDFInfo
- Publication number
- CN109519987B CN109519987B CN201710841242.7A CN201710841242A CN109519987B CN 109519987 B CN109519987 B CN 109519987B CN 201710841242 A CN201710841242 A CN 201710841242A CN 109519987 B CN109519987 B CN 109519987B
- Authority
- CN
- China
- Prior art keywords
- oil
- filter screen
- oil filter
- net
- disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009423 ventilation Methods 0.000 claims abstract description 40
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000003517 fume Substances 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The utility model relates to an oil filter screen and a range hood using the same, which comprises a screen disc, wherein the screen disc is provided with oil filtering holes, and is characterized in that: the net disc is sequentially connected with at least three annular ventilation surfaces along the radial direction to form an oil filtering main body, the inclination directions of the adjacent ventilation surfaces are different, the net disc has a wavy structure with high and low fluctuation along the radial direction, and the oil filtering holes are formed in the ventilation surfaces. The oil filter screen is mainly applied to the air inlet of the fan, and when the fan of the range hood operates, the structure of the high-low fluctuation on the oil filter main body can play a good role in guiding and throwing oil, namely under the action of centrifugal force, the oil fume accumulated at a lower position can flow to a higher position through the ventilation surface which is obliquely arranged and is further centrifugally thrown out, so that the oil fume is prevented from adhering to the oil filter screen, and the oil filter screen and the range hood have good self-cleaning capability.
Description
Technical Field
The utility model relates to the technical field of range hoods, in particular to an oil filter screen and a range hood with the same.
Background
In recent years, the living standard of people is continuously improved, the health and environmental awareness is increasingly enhanced, and people desire to have a healthy, clean and environmental-friendly home kitchen environment. Chinese patent CN200710051289 discloses a centrifugal purifying device for air and smoke dust and a method for manufacturing a rotary filter screen disk thereof, wherein the rotary filter screen disk comprises a screen disk skeleton and radial filter screens uniformly wound and arranged along the circumferential direction. The filter screen disk is formed by winding one filter screen wire, the manufacturing method is complicated, the filter screen wire is easy to corrode and break, the filter screen wires are densely staggered in the middle area of the filter screen disk, so that the oil smoke wind resistance is large, the oil smoke flows smoothly to block the filter screen, the oil smoke separating efficiency is reduced very rapidly, and the service life is shortened seriously.
In order to solve the above problems, the chinese patent application No. CN 204285570U discloses a rotary centrifugal oil-smoke separator (application No. 201420732722.1) which includes a rotary net disk and a wind wheel, wherein the rotary net disk is installed at the wind inlet of the wind wheel, the edge of the rotary net disk is connected with the edge of the wind wheel front ring or the center of the rotary net disk is connected with the center of the wind wheel or the rotary net disk is integrally formed with the wind wheel front ring.
The oil fume purification can be realized to a certain extent by the two structures, but after long-time use, the oil fume is inevitably adhered with intractable grease, so that the filtering performance of the oil fume purification is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an oil filter screen capable of removing oil smoke and keeping clean aiming at the current state of the art.
The utility model aims to solve the technical problem of providing the range hood with the oil filter screen aiming at the current state of the art, and the range hood has a better self-cleaning function.
The technical scheme adopted for solving the technical problems is as follows: an oil filter screen, includes the net dish, has oil strain hole on this net dish, its characterized in that: the net disc is sequentially connected with at least three annular ventilation surfaces along the radial direction to form an oil filtering main body, the inclination directions of the adjacent ventilation surfaces are different, the net disc has a wavy structure with high and low fluctuation along the radial direction, and the oil filtering holes are formed in the ventilation surfaces.
In the above scheme, each annular ventilation surface is a concentric annular ring. Any two adjacent ventilation surfaces in the circular ventilation surfaces are inclined downwards, and the other one is inclined upwards.
In the above scheme, the ventilation surface is an arc surface, and the connection part of the adjacent arc surfaces forms an annular oil slinger. The structure can utilize centrifugal force to throw oil smoke away when the fan operates, and the oil smoke is prevented from adhering to the oil filter screen.
Preferably, the oil slingers are concentrically arranged and positioned on the same horizontal plane. The structure can lead the oil filter screen to have better filtering effect.
Preferably, the ventilation surface is provided with a plurality of oil filtering holes, and the area of the oil filtering holes on the ventilation surface close to the outer ring of the net disk is larger than or equal to the area of the oil filtering holes on the ventilation surface close to the inner ring of the net disk.
In order to be convenient for installation and assembly, the net disk further comprises a panel and a mounting ring, wherein the panel is circular and is positioned at the central part of the net disk, the mounting ring is positioned at the circumferential edge of the net disk, and the oil filtering main body is arranged between the panel and the mounting ring and is integrally formed with the panel and the mounting ring.
As an improvement, the net disk is provided with a cleaning brush which can rotate relative to the net disk so as to scrape oil stains on the net disk. By the arrangement of the structure, the oil filtering main body can be actively cleaned, and the cleaning of the oil filter screen is further maintained.
In the above scheme, the cleaning brush comprises a connecting shaft, a connecting arm and brush heads, wherein the connecting shaft is arranged in the middle of the net disc and is axially arranged along the net disc, the connecting arm is arranged on the outer peripheral surface of the connecting shaft and extends along the radial direction of the net disc, and the brush heads are multiple and are arranged on the connecting arm at intervals.
Preferably, the oil filtering main body is provided with a concave diversion trench at the joint of the adjacent ventilation surfaces, the shape of the brush head is matched with the diversion trench, and the side surfaces of the brush head can be respectively matched with the corresponding ventilation surfaces. By adopting the structure, the cleaning brush has good cleaning effect on the oil filtering main body.
Preferably, the net disk is further provided with a driving member which is connected with the connecting shaft and used for driving the cleaning brush to rotate.
And the mesh plate is further improved, and a clutch mechanism which can enable the cleaning brush to be contacted with or separated from the mesh plate is further arranged on the mesh plate. By the aid of the structure, when the range hood operates, the cleaning brush is separated from the net disc by the aid of the clutch mechanism, so that the effect of the oil filtering main body is better exerted, when the range hood stops operating, the cleaning brush can be contacted with the net disc by the aid of the clutch mechanism, the cleaning brush is driven to rotate by the aid of the driving piece to brush off greasy dirt on the net disc, and even if the brushed greasy dirt still exists on the net disc, the greasy dirt can be thrown off by the aid of centrifugal force when the fan rotates.
Preferably, the driving part is a motor, the connecting shaft is provided with a shaft hole connected with an output shaft of the motor, threads matched with each other are respectively arranged on the inner wall of the shaft hole and the outer wall of the output shaft of the motor, and the threaded matching structure of the connecting shaft and the output shaft of the motor forms the clutch mechanism.
Preferably, a limit protrusion is arranged on the peripheral wall of the motor output shaft, and a step which can be matched with the protrusion to limit the moving position of the cleaning brush is formed at the end part of the connecting shaft correspondingly. With the adoption of the structure, the position of the cleaning brush can be limited when the cleaning brush is separated from the net disc, so that the cleaning brush is prevented from being separated from the net disc.
The utility model provides an use range hood that has above-mentioned oil filter screen, includes shell and fan, in the shell was located to the fan, its characterized in that: the air inlet of the fan is provided with a net disc.
Compared with the prior art, the utility model has the advantages that: the oil filter screen is mainly applied to the air inlet of the fan, and when the fan of the range hood operates, the wavy structure with the height on the oil filter body can play a good role in guiding and throwing oil, namely under the action of centrifugal force, the oil fume accumulated at a lower position can flow to a higher position through the obliquely arranged ventilation surfaces and is further centrifugally thrown out, so that the oil fume is prevented from adhering to the oil filter screen, and the oil filter screen and the range hood have good self-cleaning capability.
Drawings
Fig. 1 is a schematic view showing the structure of an oil filter screen according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is an exploded view of FIG. 2;
fig. 5 is a schematic structural diagram of a range hood according to an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, the oil filter screen of the present embodiment includes a screen plate 1, and the screen plate 1 has oil filtering holes 10. The net disc 1 of this embodiment includes a plurality of annular ventilation surfaces 11, at least three ventilation surfaces 11 are sequentially connected to form an oil filtering main body 100 along a radial direction on the net disc 1, and the adjacent ventilation surfaces 11 have different inclination directions to form a wavy structure with high and low fluctuation along the radial direction, and each ventilation surface 11 is provided with an oil filtering hole 11. Each annular ventilation surface 11 is a concentric ring, and any two adjacent ventilation surfaces 11 in each annular ventilation surface 11 are inclined downwards and the other is inclined upwards. The area of the oil filtering holes 10 on the ventilation surface 11 close to the outer ring of the net disk 1 is larger than or equal to the area of the oil filtering holes 10 on the ventilation surface 11 close to the inner ring of the net disk 1. The ventilation surface 11 of the embodiment is an arc surface, the connection parts of adjacent arc surfaces form annular oil slingers 101 protruding outwards, and the oil slingers 101 are concentrically arranged and positioned on the same horizontal plane; the connection part of the adjacent arc surfaces is also provided with a concave diversion trench 102, and the diversion trench 102 is positioned between the adjacent oil slingers 101. The structure can utilize centrifugal force to throw oil smoke away when the fan operates, and the oil smoke is prevented from adhering to the oil filter screen.
The net tray 1 of the present embodiment further includes a panel 12 and a mounting ring 13, the panel 12 is circular and located at the central portion of the net tray 1, the mounting ring 13 is located at the circumferential edge of the net tray 1, and the oil filtering body 100 is disposed between the panel 12 and the mounting ring 13 and integrally formed with the panel 12 and the mounting ring 13.
In this embodiment, the cleaning brush 2 capable of rotating relative to the net tray 1 to scrape off the oil dirt of the net tray 1 is provided on the net tray 1, so as to actively clean the oil filtering main body 100 and keep the oil filtering net clean. Specifically, the cleaning brush 2 includes a connecting shaft 21, connecting arms 22 and brush heads 23, the connecting shaft 21 is disposed on the panel 12 in the center of the net tray 1, the connecting shaft 21 is disposed along the axial direction of the net tray 1, the connecting arms 22 are disposed on the outer peripheral surface of the connecting shaft 21 and extend along the radial direction of the net tray 1, in this embodiment, the connecting arms 22 are three and are disposed radially on the connecting shaft 21, and the brush heads 23 are plural and disposed on the connecting arms 22 at intervals. The shape of the brush head 23 is matched with the shape of the diversion trench 102, and the side surfaces of the brush head 23 can be respectively matched with the corresponding ventilation surfaces 11, and the brush head 23 of the embodiment is shaped into a triangle. The panel 12 of the net tray 1 is further provided with a driving member 3 connected to the connection shaft 21 for driving the cleaning brush 2 to rotate, and the driving member 3 is provided on the inner surface of the panel 12 through a bracket 30.
The mesh tray 1 of the present embodiment is further provided with a clutch mechanism that enables the cleaning brush 2 to be in contact with or separated from the mesh tray 1. By adopting the structure, when the range hood operates, the cleaning brush 2 is separated from the net disk 1 by the clutch mechanism, so that the effect of the oil filtering main body 100 can be better exerted, and when the range hood stops operating, the cleaning brush 2 can be contacted with the net disk 1 by the clutch mechanism, and the driving piece 3 is used for driving the cleaning brush 2 to rotate to brush off oil stains on the net disk 1, and even if the brushed oil stains still exist on the net disk 1, the brushed oil stains can be thrown off by centrifugal force when the fan rotates. The driving member 3 in this embodiment is a motor, the connecting shaft 21 has a shaft hole 211 connected with the output shaft 31 of the motor, and the inner wall of the shaft hole 211 and the outer wall of the output shaft 31 of the motor are respectively provided with mutually matched threads 200, and the screw matching structure of the connecting shaft 21 and the output shaft 31 of the motor forms the clutch mechanism. A limit projection 311 is provided on the outer peripheral wall of the motor output shaft 31, and correspondingly, a step 212 capable of being engaged with the projection 311 to limit the moving position of the cleaning brush 2 is formed at the end of the connecting shaft 21. With this structure, the position of the cleaning brush 2 can be limited when it is separated from the net tray 1, so as to prevent the cleaning brush 2 from being separated from the net tray 1.
The range hood with the oil filter screen in the embodiment comprises a shell 4, a fan 5 and a screen disc 1, wherein the fan 5 is arranged in the shell 4, and the screen disc 1 is arranged on an air inlet 51 of the fan 5.
The oil filter screen of this embodiment is mainly applied to the air inlet 51 of the fan 5, when the fan of the range hood operates, the structure of the high-low fluctuation on the oil filter main body 100 can play a good role in guiding and throwing oil, that is, under the action of centrifugal force, the oil smoke accumulated at a lower position can flow to a higher position through the ventilation surface which is obliquely arranged, and then is centrifugally thrown out, so that the oil smoke is prevented from adhering to the oil filter screen, and the oil filter screen and the range hood of this embodiment have a good self-cleaning capability.
Claims (12)
1. Oil filter screen, including net dish (1), have oil strain hole (10), its characterized in that on this net dish (1): the net disc (1) is sequentially connected by at least three annular ventilation surfaces (11) along the radial direction to form an oil filtering main body (100), the inclination directions of the adjacent ventilation surfaces (11) are different to form a wavy structure with high and low fluctuation along the radial direction, and the oil filtering holes (10) are formed in each ventilation surface (11);
any two adjacent ventilation surfaces (11) in the circular ventilation surfaces (11) are inclined downwards, and the other one is inclined upwards;
and the area of the oil filtering holes (10) on the ventilation surface (11) close to the outer ring of the net disc (1) is larger than or equal to the area of the oil filtering holes (10) on the ventilation surface (11) close to the inner ring of the net disc (1).
2. The oil filter screen of claim 1, wherein: the annular ventilation surfaces (11) are concentric circles.
3. The oil filter screen of claim 1, wherein: the ventilation surface (11) is an arc surface, and the joint of the adjacent arc surfaces forms an annular oil slinger (101); the oil slingers (101) are concentrically arranged and positioned on the same horizontal plane.
4. The oil filter screen of claim 1, wherein: the oil filter comprises a net disc (1), and is characterized by further comprising a panel (12) and a mounting ring (13), wherein the panel (12) is circular and is positioned at the central part of the net disc (1), the mounting ring (13) is positioned at the circumferential edge of the net disc (1), and the oil filter main body (100) is arranged between the panel (12) and the mounting ring (13) and is integrally formed with the panel (12) and the mounting ring (13).
5. The oil filter screen according to any one of claims 1 to 4, wherein: the cleaning brush (2) which can rotate relative to the net disc (1) to scrape the greasy dirt on the net disc (1) is arranged on the net disc (1).
6. The oil filter screen according to claim 5, wherein: the cleaning brush (2) comprises a connecting shaft (21), connecting arms (22) and brush heads (23), wherein the connecting shaft (21) is arranged in the middle of the net disc (1) and is axially arranged along the net disc (1), the connecting arms (22) are arranged on the outer peripheral surface of the connecting shaft (21) and extend along the radial direction of the net disc (1), and the brush heads (23) are arranged on the connecting arms (22) at intervals.
7. The oil filter screen of claim 6, wherein: the oil filtering main body (100) is provided with concave guide grooves (102) at the connection parts of the adjacent ventilation surfaces (11), the shape of the brush head (23) is matched with the guide grooves (102), and the side surfaces of the brush head (23) can be respectively matched with the corresponding ventilation surfaces (11).
8. The oil filter screen of claim 6, wherein: the net disc (1) is also provided with a driving piece (3) which is connected with the connecting shaft (21) and used for driving the cleaning brush (2) to rotate.
9. The oil filter screen of claim 8, wherein: the mesh disc (1) is also provided with a clutch mechanism which can enable the cleaning brush (2) to be contacted with or separated from the mesh disc (1).
10. The oil filter screen of claim 9, wherein: the driving piece (3) is a motor, the connecting shaft (21) is provided with a shaft hole (211) connected with an output shaft (31) of the motor, threads (200) matched with each other are respectively arranged on the inner wall of the shaft hole (211) and the outer wall of the output shaft (31) of the motor, and the threaded matching structure of the connecting shaft (21) and the output shaft (31) of the motor forms the clutch mechanism.
11. The oil filter screen of claim 10, wherein: a limiting protrusion (311) is arranged on the peripheral wall of the motor output shaft (31), and a step (212) which can be matched with the protrusion (311) to limit the moving position of the cleaning brush (2) is formed at the end part of the connecting shaft (21).
12. A range hood with an oil filter according to any one of claims 1-11, comprising a housing (4) and a fan (5), said fan (5) being arranged in the housing (4), characterized in that: the air conditioner further comprises the net disc (1), and the net disc (1) is arranged on an air inlet (51) of the fan (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841242.7A CN109519987B (en) | 2017-09-18 | 2017-09-18 | Oil filter screen and range hood using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841242.7A CN109519987B (en) | 2017-09-18 | 2017-09-18 | Oil filter screen and range hood using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109519987A CN109519987A (en) | 2019-03-26 |
| CN109519987B true CN109519987B (en) | 2024-01-16 |
Family
ID=65768064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710841242.7A Active CN109519987B (en) | 2017-09-18 | 2017-09-18 | Oil filter screen and range hood using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519987B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160108A (en) * | 2019-06-26 | 2019-08-23 | 珠海格力电器股份有限公司 | Air inlet system of range hood and range hood |
| CN110606634B (en) * | 2019-09-26 | 2023-02-28 | 佳净洁环境科技有限公司 | Black hole shielding device of fecal treatment device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293755Y (en) * | 1997-04-15 | 1998-10-07 | 太原恒运厨房设备总厂 | Automatic-cleaning side-extracting cooking fumes exhauster |
| CN201522023U (en) * | 2009-07-20 | 2010-07-07 | 张晓英 | Smoke exhaust ventilator capable of automatically cleaning and straining oil smoke of screen |
| CN204388168U (en) * | 2014-12-18 | 2015-06-10 | 宁波方太厨具有限公司 | A kind of range hood with filtering function |
| CN104848279A (en) * | 2015-04-30 | 2015-08-19 | 浙江帅康电气股份有限公司 | Extractor hood allowing automatic cleaning |
| CN204987155U (en) * | 2015-08-19 | 2016-01-20 | 宁波方太厨具有限公司 | Cross oil cleaner screen |
| CN107166474A (en) * | 2017-07-25 | 2017-09-15 | 佛山市正略信息科技有限公司 | A kind of side-absorption type smoke exhaust ventilator with auxiliary suction device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8097050B2 (en) * | 2008-02-26 | 2012-01-17 | Cnh America Llc | Rotary vacuum apparatus for air screen |
-
2017
- 2017-09-18 CN CN201710841242.7A patent/CN109519987B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293755Y (en) * | 1997-04-15 | 1998-10-07 | 太原恒运厨房设备总厂 | Automatic-cleaning side-extracting cooking fumes exhauster |
| CN201522023U (en) * | 2009-07-20 | 2010-07-07 | 张晓英 | Smoke exhaust ventilator capable of automatically cleaning and straining oil smoke of screen |
| CN204388168U (en) * | 2014-12-18 | 2015-06-10 | 宁波方太厨具有限公司 | A kind of range hood with filtering function |
| CN104848279A (en) * | 2015-04-30 | 2015-08-19 | 浙江帅康电气股份有限公司 | Extractor hood allowing automatic cleaning |
| CN204987155U (en) * | 2015-08-19 | 2016-01-20 | 宁波方太厨具有限公司 | Cross oil cleaner screen |
| CN107166474A (en) * | 2017-07-25 | 2017-09-15 | 佛山市正略信息科技有限公司 | A kind of side-absorption type smoke exhaust ventilator with auxiliary suction device |
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| Publication number | Publication date |
|---|---|
| CN109519987A (en) | 2019-03-26 |
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