CN111237826B - Filter device of fan air inlet of range hood - Google Patents
Filter device of fan air inlet of range hood Download PDFInfo
- Publication number
- CN111237826B CN111237826B CN201811429578.3A CN201811429578A CN111237826B CN 111237826 B CN111237826 B CN 111237826B CN 201811429578 A CN201811429578 A CN 201811429578A CN 111237826 B CN111237826 B CN 111237826B
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- Prior art keywords
- filter screen
- motor
- cover
- assembly
- inner ring
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a filter device of a fan air inlet of a range hood, which comprises a filter screen and a cleaning assembly capable of wiping oil stains on the filter screen, wherein the cleaning assembly comprises a scraping strip and a driving piece, the scraping strip extends along the radial direction of the filter screen and can be arranged on the inner surface of the filter screen in a circumferential direction along the filter screen, and the driving piece is arranged at the central part of the outer side of the filter screen and is used for driving the scraping strip to rotate along the circumferential direction of the filter screen. The cleaning assembly capable of cleaning the filter screen is arranged, the scraping strips extend along the radial direction of the filter screen and are arranged on the inner surface of the filter screen in a circumferential rotating mode along the filter screen, the driving piece is arranged at the central position of the outer side of the filter screen and is used for driving the scraping strips to rotate along the circumferential direction of the filter screen, and therefore the scraping strips continuously scrape oil stains on the surface of the filter screen, the filter screen is kept clean for a long time, good filtering effect is achieved all the time, and the filtering effect is improved.
Description
Technical Field
The invention relates to a filter device of a fan air inlet of a range hood.
Background
In recent years, people have increasingly improved living standard and increasingly strengthened awareness of health and environmental protection, and people desire to have a healthy, clean and environment-friendly household kitchen environment. Chinese patent CN200710051289 discloses an air smoke centrifugal purification device and a manufacturing method of a rotary filter screen disc thereof, wherein the rotary filter screen disc is composed of a screen disc framework and radial filter screens uniformly wound and arranged in the edge circumferential direction. The filter screen disc is formed by winding a filter screen wire, the manufacturing method is complex, the filter screen wire is easy to corrode and break, and the filter screen wire is densely staggered in the middle area of the filter screen disc, so that the oil smoke wind resistance is large, the oil smoke flow is not smooth, the filter screen is blocked, the oil smoke separation efficiency is reduced quickly, and the service life is shortened seriously.
In order to solve the above problems, a spinning centrifugal oil-smoke separating device (application No. 201420732722.1), which is a chinese utility model patent with publication No. CN 204285570U, discloses a structure including a rotating net disk and a wind wheel, wherein the rotating net disk is installed at the wind inlet of the wind wheel, 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 oil smoke purification can be realized to a certain extent by the two structures, but the oil smoke purification still inevitably adheres to stubborn grease after long-time use, and then influences the filtering performance of the oil smoke purification.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a filter device of a fan air inlet of a range hood, which can directly remove oil stains on a filter screen in a scraping mode.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a filter equipment of range hood fan air intake, includes the filter screen, its characterized in that: the cleaning assembly can be used for wiping oil stains on the filter screen and comprises
The scraping strip extends along the radial direction of the filter screen and can be arranged on the inner surface of the filter screen in a circumferential rotating manner; and
the driving piece is arranged at the central part of the outer side of the filter screen and used for driving the scraping strip to rotate along the circumferential direction of the filter screen.
For convenience in assembly, an inner ring arranged along the circumferential direction is arranged at a position, close to the center, of the filter screen, the driving piece is a motor arranged on the inner ring, and an output shaft of the motor extends backwards and is connected with the end part of a scraping strip arranged close to the center of the inner ring.
As an improvement, the inner ring is also provided with a tensioning structure which can enable the motor to always keep the trend of moving towards the front side of the filter screen, so that the scraping strip is always attached to the inner surface of the filter screen. By the structure, the scraping strip can be always attached to the filter screen tightly, and the cleaning effect is improved.
Preferably, the tensioning structure comprises an assembly bin and an elastic piece, the assembly bin is arranged on the inner ring and is provided with an inner cavity for mounting the motor, the front end of the rotor of the motor can rotate and is arranged in the assembly bin in a front-and-back moving mode, the rear end of the rotor of the motor is provided with the output shaft extending backwards, and the elastic piece is arranged on the inner end wall of the front side of the assembly bin and is connected with the front end of the rotor of the motor. This structure actually makes the rotor of motor suspend around keeping under normal pivoted prerequisite to adjust the degree of pasting between scraping strip and the filter screen internal surface as required, make the two can paste each other tightly, play good clean effect, avoid scraping the strip again and excessively compress tightly the filter screen and cause the problem that filter screen surface damage, motor energy consumption rise.
Preferably, the rear end wall of the assembly bin is provided with a shaft hole for the output shaft of the motor to extend out, the front end of the assembly bin is arranged in an open manner to form a front port, the front port is buckled with an end cover, the first end of the elastic element is connected with the inner end face of the end cover, and the second end of the elastic element is connected with the front end of the motor rotor through the assembly component. The end cover is detachably arranged on the assembly bin, and the structure is convenient to disassemble, assemble and maintain subsequently.
Preferably, the assembly component comprises an assembly sleeve and a pull cover, the front end of the motor rotor extends forwards to form a connecting shaft, the rear end of the assembly sleeve is provided with an opening for the connecting shaft to extend into, the front end of the connecting shaft can be rotationally constrained in the assembly sleeve, and the pull cover is arranged at the front end of the assembly sleeve and connected with the second end of the elastic element. The pull cover is fixed on the assembly sleeve through a screw, and the structure is convenient to disassemble, assemble and maintain subsequently.
In order to facilitate assembly, the diameter of the opening is smaller than the inner diameter of the assembly sleeve, so that a supporting table is formed, a bearing which can be rotatably sleeved between the inner wall of the assembly sleeve and the outer wall of the connecting shaft is arranged in the assembly sleeve, the rear end of the bearing is abutted against the supporting table, and the front end of the connecting shaft is further provided with a limiting convex ring which can limit the connecting shaft at the front end of the bearing.
Preferably, the inner end wall of the end cover extends backwards to form a guide plate which can be sleeved on the pull cover and the assembling sleeve so as to be in guide fit with the pull cover and the assembling sleeve. The structure restrains the position of the rotor, and prevents the rotor from deflecting to influence the performance of the motor.
Preferably, the main body of the assembly bin is shaped like a cylinder, and the outer surface of the end cover is shaped like an arc-shaped surface which is gradually arched from back to front. The structure can reduce wind resistance and reduce the influence of the driving piece on the air quantity when the driving piece is installed at the central position of the front side of the filter screen.
In order to facilitate installation and improve the scraping effect, the two scraping strips are symmetrically arranged on two sides of the inner ring, the end parts, close to the inner ring, of the two scraping strips are connected through a connecting frame, and the middle of the connecting frame is connected with the motor output shaft.
Compared with the prior art, the invention has the advantages that: the cleaning assembly capable of cleaning the filter screen is arranged, the scraping strips extend along the radial direction of the filter screen and are arranged on the inner surface of the filter screen in a circumferential rotating mode along the filter screen, the driving piece is arranged at the central position of the outer side of the filter screen and is used for driving the scraping strips to rotate along the circumferential direction of the filter screen, and therefore the scraping strips continuously scrape oil stains on the surface of the filter screen, the filter screen is kept clean for a long time, good filtering effect is achieved all the time, and the filtering effect is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1-4, the filter device of the air intake of the extractor hood fan of this embodiment includes the filter screen 1 and the cleaning assembly 2 capable of wiping the oil stain on the filter screen 1, the cleaning assembly 2 includes the scraping strip 21, the driving member 22, the scraping strip 21 is made of flexible materials such as silica gel, rubber and fiber, the scraping strip 21 extends along the radial direction of the filter screen 1 and can be arranged on the inner surface of the filter screen 1 along the circumferential rotation of the filter screen 1, the driving member 22 is arranged at the central part outside the filter screen 1, and is used for driving the scraping strip 21 to rotate along the circumferential rotation of the filter screen 1. For the convenience of assembly, the filter screen 1 is provided with an inner ring 11 arranged along the circumferential direction near the central portion, and the driving member 22 is a motor mounted on the inner ring 11, and an output shaft 220 of the motor extends backwards and is connected with the end portion of the scraping strip 21 arranged near the center of the inner ring 11.
In this embodiment, the inner ring 11 is further provided with a tensioning structure 23 which can enable the motor to always keep the trend of moving towards the front side of the filter screen 1, so that the scraping strip 21 is always attached to the inner surface of the filter screen 1. By adopting the structure, the scraping strip 21 can be always attached to the filter screen 1, and the cleaning effect is improved. The tightening structure 23 includes an assembly chamber 231 and an elastic member 232, the assembly chamber 231 is disposed on the inner ring 11 and has an inner cavity 230 for mounting the motor, the front end of the rotor 221 of the motor is rotatably and movably disposed in the assembly chamber 231 forward and backward, the rear end of the rotor 221 of the motor has an output shaft 220 extending backward, the elastic member 232 is a spring, and the elastic member 232 is disposed on the inner end wall of the front side of the assembly chamber 231 and connected to the front end of the rotor 221 of the motor. This structure makes the rotor 221 of motor can suspend according to concrete regulation condition front and back under the prerequisite of keeping normal pivoted in fact to adjust and scrape the degree of pasting between strip 21 and the filter screen 1 internal surface, make the two can paste each other tightly, play good clean effect, avoid again scraping strip 21 and excessively compress tightly filter screen 1 and cause the problem that filter screen 1 surface damage, motor energy consumption rose.
Specifically, the rear end wall of the assembly compartment 231 is provided with a shaft hole 2311 for extending the motor output shaft 220, the front end of the assembly compartment 231 is arranged in an open manner to form a front port 2312, the front port 2312 is buckled with an end cover 233, and the end cover 233 can be mounted on the assembly compartment 231 through screws or other limiting methods as long as the end cover 233 is ensured not to rotate relative to the assembly compartment 231. A first end of the elastic member 232 is connected to an inner end surface of the cover 233, and a second end of the elastic member 232 is connected to a front end of the motor rotor 221 through a fitting member 234. The end cover 233 is detachably mounted to the assembly chamber 231, and this structure facilitates disassembly and subsequent maintenance. The assembly member 234 includes an assembly sleeve 2341 and a pull cover 2342, the front end of the motor rotor 221 extends forward to form a connecting shaft 2211, the rear end of the assembly sleeve 2341 has an opening 2343 for the connecting shaft 2211 to extend into, the front end of the connecting shaft 2211 is rotatably constrained in the assembly sleeve 2341, and the pull cover 2342 is disposed at the front end of the assembly sleeve 2341 and connected to the second end of the elastic member 232. The pull cover 2342 is fixed on the assembly sleeve 2341 through screws, and the structure is convenient to disassemble and assemble and maintain subsequently.
For the convenience of assembly, the diameter of the opening 2343 is smaller than the inner diameter of the assembly sleeve 2341, so that a supporting platform 2344 is formed, a bearing 2345 is arranged in the assembly sleeve 2341 and can be rotatably sleeved between the inner wall of the assembly sleeve 2341 and the outer wall of the connecting shaft 2211, the rear end of the bearing 2345 abuts against the supporting platform 2344, and the front end of the connecting shaft 2211 is further provided with a limiting convex ring 2212 capable of restraining the connecting shaft 2211 at the front end of the bearing 2345. A guide plate 2331 is formed extending rearwardly from the inner end wall of the end cover 233 and is adapted to be received over the pull tab 2342 and the fitting sleeve 2341 so as to be in guiding engagement with the pull tab 2342 and the fitting sleeve 2341. This configuration constrains the position of the rotor 221, preventing it from deflecting and affecting motor performance.
The main body of the assembly chamber 231 of this embodiment is formed in a cylindrical shape, and the outer surface of the end cover 233 is formed in an arc-shaped surface 2332 which is gradually arched from the rear to the front. This structure can reduce the wind resistance and reduce the influence of the central position of the driving member 22 installed on the front side of the filter screen 1 on the air volume.
In order to facilitate installation and improve the scraping effect, the two scraping strips 21 are symmetrically arranged on two sides of the inner ring 11, the end parts, close to the inner ring 11, of the two scraping strips 21 are connected through a connecting frame 211, and the middle part of the connecting frame 211 is connected with the motor output shaft 220.
This embodiment has set up and has carried out clear clean subassembly 2 to filter screen 1, scrape strip 21 along filter screen 1's radial extension and can follow filter screen 1 circumferential direction locate filter screen 1's internal surface on, the central part in the filter screen 1 outside is located to driving piece 22 and is used for the drive to scrape strip 21 along filter screen 1 circumferential direction, thereby make and scrape strip 21 constantly to scraping the greasy dirt on filter screen 1 surface, make filter screen 1 keep clean for a long time, better filter action has all the time, and then improve the filter effect.
Claims (4)
1. The utility model provides a filter equipment of range hood fan air intake, includes filter screen (1), its characterized in that: the cleaning device also comprises a cleaning component (2) capable of wiping off oil stains on the filter screen (1), wherein the cleaning component (2) comprises
The scraping strip (21) extends along the radial direction of the filter screen (1) and can be arranged on the inner surface of the filter screen (1) in a circumferential rotating manner along the filter screen (1); and
the driving piece (22) is arranged at the central part of the outer side of the filter screen (1) and is used for driving the scraping strip (21) to rotate along the circumferential direction of the filter screen (1);
an inner ring (11) arranged along the circumferential direction is arranged at the position, close to the center, of the filter screen (1), the driving piece (22) is a motor arranged on the inner ring (11), and an output shaft (220) of the motor extends backwards and is connected with the end part of a scraping strip (21) arranged close to the center of the inner ring (11); the inner ring (11) is also provided with a tensioning structure (23) which can enable the motor to always keep the trend of moving towards the front side of the filter screen (1) so as to enable the scraping strip (21) to be always attached to the inner surface of the filter screen (1);
the tensioning structure (23) comprises an assembly bin (231) and an elastic piece (232), the assembly bin (231) is arranged on the inner ring (11) and is provided with an inner cavity (230) for mounting a motor, the front end of a rotor (221) of the motor can be arranged in the assembly bin (231) in a rotating and front-and-back moving manner, the rear end of the rotor (221) of the motor is provided with the output shaft (220) extending backwards, and the elastic piece (232) is arranged on the inner end wall of the front side of the assembly bin (231) and is connected with the front end of the rotor (221) of the motor; the rear end wall of the assembly bin (231) is provided with a shaft hole (2311) for extending the motor output shaft (220), the front end of the assembly bin (231) is arranged in an open mode to form a front port (2312), the front port (2312) is buckled with an end cover (233), the first end of the elastic piece (232) is connected with the inner end face of the end cover (233), and the second end of the elastic piece (232) is connected with the front end of the motor rotor (221) through an assembly component (234);
the assembling component (234) comprises an assembling sleeve (2341) and a pulling cover (2342), the front end of the motor rotor (221) extends forwards to form a connecting shaft (2211), the rear end of the assembling sleeve (2341) is provided with an opening (2343) for the connecting shaft (2211) to extend into, the front end of the connecting shaft (2211) can be rotationally constrained in the assembling sleeve (2341), and the pulling cover (2342) is arranged at the front end of the assembling sleeve (2341) and connected with the second end of the elastic piece (232);
opening (2343) diameter is less than the internal diameter of equipment cover (2341) thus is formed with saddle (2344), be provided with in the equipment cover (2341) can rotationally set up bearing (2345) between equipment cover (2341) inner wall and connecting axle (2211) outer wall, the rear end of this bearing (2345) with saddle (2344) offset, the front end of connecting axle (2211) still has can be with its spacing bulge loop (2212) of restraint at bearing (2345) front end.
2. The filter device for the fan inlet of the range hood according to claim 1, wherein: the inner end wall of the end cover (233) is formed with a guide plate (2331) extending rearward and capable of being sleeved on the pull cover (2342) and the assembling sleeve (2341) so as to be in guiding fit with the pull cover (2342) and the assembling sleeve (2341).
3. The filter device for the fan inlet of the range hood according to claim 1 or 2, wherein: the main body part of the assembly bin (231) is shaped like a cylinder, and the outer surface of the end cover (233) is shaped like an arc surface (2332) which is gradually arched from back to front.
4. The filter device for the fan inlet of the range hood according to claim 1 or 2, wherein: the scraping strips (21) are two and are symmetrically arranged on two sides of the inner ring (11), the end parts, close to the inner ring (11), of the two scraping strips (21) are connected through a connecting frame (211), and the middle part of the connecting frame (211) is connected with the motor output shaft (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429578.3A CN111237826B (en) | 2018-11-28 | 2018-11-28 | Filter device of fan air inlet of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429578.3A CN111237826B (en) | 2018-11-28 | 2018-11-28 | Filter device of fan air inlet of range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111237826A CN111237826A (en) | 2020-06-05 |
| CN111237826B true CN111237826B (en) | 2021-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811429578.3A Active CN111237826B (en) | 2018-11-28 | 2018-11-28 | Filter device of fan air inlet of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111237826B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029784A (en) * | 2021-12-14 | 2022-02-11 | 三明学院 | Servo power knife tower type numerical control machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986250Y (en) * | 2006-12-27 | 2007-12-05 | 张啸飞 | Electrostatic convolve brushing type cooking fume purifying and extracting fan |
| CN201522023U (en) * | 2009-07-20 | 2010-07-07 | 张晓英 | Smoke exhaust ventilator capable of automatically cleaning and straining oil smoke of screen |
| KR20130055277A (en) * | 2011-11-18 | 2013-05-28 | 주식회사 포스코 | Fume collector |
| CN107166468A (en) * | 2017-07-24 | 2017-09-15 | 佛山市正略信息科技有限公司 | A kind of embedded range hood with automatic clearing function |
| CN206965278U (en) * | 2017-07-07 | 2018-02-06 | 西安奥邦科技有限责任公司 | A kind of filter in intermediate frequency furnace cooling water recirculation system |
| CN207137539U (en) * | 2017-07-03 | 2018-03-27 | 宁波方太厨具有限公司 | A kind of automatically cleaning filter screen and application have the draught fan impeller and range hood of the filter screen |
| CN207179766U (en) * | 2017-09-18 | 2018-04-03 | 宁波方太厨具有限公司 | A kind of oil cleaner screen and application have the range hood of the oil cleaner screen |
| CN207584840U (en) * | 2017-09-18 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of wind turbine and application have the range hood of the wind turbine |
-
2018
- 2018-11-28 CN CN201811429578.3A patent/CN111237826B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986250Y (en) * | 2006-12-27 | 2007-12-05 | 张啸飞 | Electrostatic convolve brushing type cooking fume purifying and extracting fan |
| CN201522023U (en) * | 2009-07-20 | 2010-07-07 | 张晓英 | Smoke exhaust ventilator capable of automatically cleaning and straining oil smoke of screen |
| KR20130055277A (en) * | 2011-11-18 | 2013-05-28 | 주식회사 포스코 | Fume collector |
| CN207137539U (en) * | 2017-07-03 | 2018-03-27 | 宁波方太厨具有限公司 | A kind of automatically cleaning filter screen and application have the draught fan impeller and range hood of the filter screen |
| CN206965278U (en) * | 2017-07-07 | 2018-02-06 | 西安奥邦科技有限责任公司 | A kind of filter in intermediate frequency furnace cooling water recirculation system |
| CN107166468A (en) * | 2017-07-24 | 2017-09-15 | 佛山市正略信息科技有限公司 | A kind of embedded range hood with automatic clearing function |
| CN207179766U (en) * | 2017-09-18 | 2018-04-03 | 宁波方太厨具有限公司 | A kind of oil cleaner screen and application have the range hood of the oil cleaner screen |
| CN207584840U (en) * | 2017-09-18 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of wind turbine and application have the range hood of the wind turbine |
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| Publication number | Publication date |
|---|---|
| CN111237826A (en) | 2020-06-05 |
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