CN110500627A - Rotary sieve, net-filter assembly and range hood - Google Patents
Rotary sieve, net-filter assembly and range hood Download PDFInfo
- Publication number
- CN110500627A CN110500627A CN201910729897.4A CN201910729897A CN110500627A CN 110500627 A CN110500627 A CN 110500627A CN 201910729897 A CN201910729897 A CN 201910729897A CN 110500627 A CN110500627 A CN 110500627A
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- Prior art keywords
- rotary sieve
- bearing
- outer filter
- filter
- axle sleeve
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The present invention relates to kitchen utensils field, providing a kind of rotary sieve, net-filter assembly and range hood, the rotary sieve includes: multiple fan blades, and the rotation along the rotary sieve is provided at circumferentially spaced, and multiple fan blades are tilted towards the same side；Multiple strainer ontologies, each strainer ontology are set between two adjacent fan blades；The rotary sieve is in the rotation center inclined back taper from bottom to top by the rotary sieve.Rotary sieve surface area of the invention is big, can match the outer filter for being similarly back taper, compact-sized after assembly, rationally utilizes installation space compact inside range hood；Generate upward suction air by range hood and push the fan blade, to drive the rotary sieve to rotate automatically, can oil droplet constantly in interception oil smoke, improve grease separating degree, and rotary sieve convenient processing and manufacture, cost is relatively low.
Description
Technical field
The present invention relates to kitchen utensils technical fields, more particularly to a kind of rotary sieve, net-filter assembly and range hood.
Background technique
Range hood is called kitchen ventilator, is a kind of kitchen appliance for purifying kitchen environment.Range hood is mounted on kitchen furnace
Above stove, the oil smoke generated in the exhaust gas and cooking process generated that cooking stove can be burnt is taken away rapidly, and discharge is outdoor, reduces dirty
Dye purifies air.
Existing fume exhauster grease separation is filtered and is condensed and separated by metal screen, and metal screen and cold plate are set
It sets in smoke machine air inlet, in order to reduce windage, keeps enough incoming air areas, common metal sieve meshes are larger, lead to oil smoke mistake
Filter efficiency is lower, and most of oil smoke still enters inside kitchen ventilator, and especially into blower fan system, long-time oil and fat accumulation increases
Add, so that there are the following problems: the first, grease is adhered to blower surface, fan performance decline, and resistance increases, and fan noise increases
Greatly, while smoke absorption effect declines, and influences kitchen ventilator service performance；The second, oil and fat accumulation can constantly discharge inside kitchen ventilator
Small molecule harmful substance causes kitchen peculiar smell, endangers human health；Third, grease are adhered to smoke pipe or check-valves on piece, when long
Between non-return valve block due to the big folding of grease viscosity it is difficult, for grease long-term accumulation on smoke pipe, corrosion smoke pipe causes smoke pipe rupture etc.
Problem.In order to solve problem above, kitchen ventilator needs fixed time cleaning, at present cleaning way it is general there are two types of, one is automatic clear
It washes, such as product has the kitchen ventilator of cleaning function on the market, such mode user needs to contain solution, operate more numerous
It is trivial；Another kind is periodically artificial cleaning, needs to carry out kitchen ventilator disassembly, this cleaning way user assumes charge height；Therefore, oil smoke
Machine improves filtering oil smoke efficiency in blower front end, keeps inside smoke machine and rear end cleaning is imperative.
It includes increasing the filter efficiency of filter screen, technology used at present such as mesh that kitchen ventilator, which improves front end isolation technics,
Encryption, labyrinth type strainer filtering, rotating separation filtering, cyclonic filter etc..The small filtering oil smoke of mesh is high-efficient when mesh encrypts, but
Windage is big and mesh is easy blocking, and user needs frequent clean；Labyrinth type strainer filtering oil smoke passes through multiple filtration channel, windage
Greatly, and filter element is difficult to clean；Cyclonic filter is realized by cyclonic separation principle, but since bulk limits, household is oily
Smoke machine uses this mode low efficiency；Rotating separation is isolation technics more appropriate at present, at present there are two types of rotating separation modes,
The first rotating separation net is fixed on wind wheel air inlet, rotates synchronously with wind wheel, but the cleaning of this mode rotating separation net is difficult, by
Need to dismantle kitchen ventilator exhaust fume collecting hood in disassembly rotating separation net, while rotating separation net and impeller synchronous high-speed rotate, and generate howl
It cries, increases noise；Second of rotating separation net is arranged between blower and front end strainer, but such mode is all using independent electricity
Machine drives the rotation of rotating separation net, and due to motor cost height, and motor occupied space size is larger, so products application is more difficult.
Summary of the invention
(1) technical problems to be solved
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
The object of the present invention is to provide a kind of rotary sieve, net-filter assembly and range hoods, to solve existing strainer filtering
Effect is undesirable, and difficulty of processing is big, the problem that occupied space is big, at high cost.
(2) technical solution
In order to solve the above-mentioned technical problem, on the one hand, the embodiment of the present invention provides a kind of rotary sieve, is used for fume-exhausting
Machine, the rotary sieve include:
Multiple fan blades, the rotation along the rotary sieve are provided at circumferentially spaced, and multiple fan blades are towards the same side
Inclination；
Multiple strainer ontologies, each strainer ontology are set between two adjacent fan blades.
In a specific embodiment of the invention, each strainer ontology connects with two adjacent fan blades respectively
It connects；
The rotary sieve is in the rotation center inclined back taper from bottom to top by the rotary sieve.
In a specific embodiment of the invention, the central configuration of the rotary sieve has connector sleeve, the multiple fan blade
And the multiple equal one end of strainer ontology is fixed on the connector sleeve.
In a specific embodiment of the invention, the surface of the rotary sieve is in along the circumferential to updip of the connector sleeve
Oblique back taper.
In a specific embodiment of the invention, the surface of the strainer ontology is with a continuous wave crest and a trough
Corrugated surface；
The surface of the fan blade is inclination cambered surface；
The corrugated surface is connected smoothly with the inclination cambered surface.
In a specific embodiment of the invention, the surface of the fan blade and the angle theta of horizontal plane are 20 °≤θ≤70 °.
In a specific embodiment of the invention, the mesh on the strainer ontology is in regular hexagon, diamond shape, bar shaped or circle
Shape.
On the other hand, the embodiment of the present invention provides a kind of net-filter assembly, including outer filter, further include:
Rotary sieve as described above；
The rotary sieve is rotatably connected to the leeward side of the outer filter, and the rotation by runner assembly
Component and the outer filter detachable connection；
The surface of the outer filter is gradually recessed by four circumferential middle parts, in the surface shape phase with the rotary sieve
The back taper matched.
In a specific embodiment of the invention, the runner assembly includes:
Connecting shaft, the connecting shaft edge are axially arranged with threaded hole, positioning convex platform with outward extension in the connecting shaft；
Bearing, the bearing fixing sleeve are located in the connecting shaft, and the inner ring of the bearing is resisted against the convex
On platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in the axis
Set is outer；
Threaded connector, the threaded connector are used to connect from the windward side of the outer filter and the threaded hole screw thread
It connects.
In another specific embodiment of the invention, the runner assembly includes:
Magnetic axis, it is described magnetism axis on positioning convex platform with outward extension；
Bearing, the bearing fixing sleeve is located on the magnetic axis, and the inner ring of the bearing is resisted against the convex
On platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in the axis
Set is outer；
Magnetic coupling, the magnetic coupling are used for center and the magnetic axis from the outer filter windward side
Lower end is attached together, or, the center of the outer filter is equipped with magnetic platform, the lower end of the magnetism axis and the magnetism are flat
Platform is attached together.
In a specific embodiment of the invention, the center of the outer filter is equipped with mounting platform, the mounting platform
It is equipped with mounting hole, the lower end of the connecting shaft is resisted against on the mounting platform, and the threaded connector passes through the installation
Hole is threadedly coupled with the connecting shaft；To which rotary sieve is mounted on outer filter.
On the other hand, the embodiment of the present invention also provides a kind of range hood, including deflector and is located on the deflector
The fan assembly and at least one net-filter assembly described above of side；
The outer filter is mounted on the air inlet of the deflector；
The rotary sieve is between the outer filter and the fan assembly；
Upward suction air is generated by the fan assembly, and the rotary sieve is driven to rotate automatically.
On the other hand, the embodiment of the present invention also provides a kind of range hood, including deflector, rack and fan assembly, institute
Stating fan assembly includes spiral case, further include:
Rotary sieve, including rotary sieve as described above；
Outer filter is mounted on the air inlet of the deflector；
The rotary sieve is rotatably connected in the rack by runner assembly or the bottom of the spiral case, and with
The outer filter is opposite.
In one specific embodiment, the runner assembly includes:
Connecting shaft, the connecting shaft edge are axially arranged with threaded hole, positioning convex platform with outward extension in the connecting shaft；
Bearing, the bearing fixing sleeve are located in the connecting shaft, and the inner ring of the bearing is resisted against the convex
On platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in the axis
Set is outer；
Threaded connector, the threaded connector are fixed in the rack and extend the rack or be fixed on described
The spiral case is simultaneously extended in the bottom of spiral case, and the elongated end of the threaded connector is threadedly coupled with the threaded hole.
In another specific embodiment, the runner assembly includes:
Magnetic axis, it is described magnetism axis on positioning convex platform with outward extension；
Bearing, the bearing fixing sleeve is located on the magnetic axis, and the inner ring of the bearing is resisted against the convex
On platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in the axis
Set is outer；
Magnetic coupling, the magnetic coupling are fixed in the rack or are fixed on the bottom of the spiral case, with institute
Magnetic axis is stated to be attached together.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of rotary sieve provided in an embodiment of the present invention comprising the rotation along the rotary sieve is provided at circumferentially spaced
Multiple fan blades, multiple fan blades towards the same side tilt；Strainer ontology is equipped between two adjacent fan blades.
Upward suction air is generated by range hood and pushes the fan blade, to drive the rotary sieve to rotate automatically.Oil smoke passes through
Rotating strainer ontology, the rib on strainer ontology between mesh constantly cut oil smoke, the oil droplet in interception oil smoke；
After strainer ontology interception oil smoke, the oil droplet on strainer ontology is thrown away under the centrifugal force effect that rotation generates toward surrounding lower section；
So circulation improves grease separating degree.
The embodiment of the present invention by tilting rotary sieve setting in by the rotation center of the rotary sieve from bottom to top
Back taper, the outer filter for being similarly the range hood of back taper can be matched so that mounting structure is more compact, reasonable benefit
With installation space originally compact inside range hood.
A kind of net-filter assembly provided in an embodiment of the present invention, the rotation filter including outer filter and above outer filter
Net carries out primary filtration to oil smoke by outer filter, and the oil smoke after primary filtration passes through rotating rotary sieve, by revolving
Turn the oil droplet in strainer continuation interception oil smoke；Double filtration is carried out to oil smoke, improves grease separating degree.
The surface of outer filter is gradually recessed by four circumferential middle parts, matches in the surface shape with the rotary sieve
Back taper, rotary sieve is compact-sized after assembling with outer filter, can more reasonably utilize the installation inside range hood
Space.
In addition, rotary sieve and outer filter use detachable connection, convenient for periodically to outer filter and rotary sieve
It is cleaned respectively；Furthermore, it is possible to manufacture is individually produced to rotary sieve and outer filter, and it is easy to process, assemble convenient, cost
It is easily-controllable.
In addition, runner assembly is compact-sized, simple, it can guarantee rotary sieve under existing lampblack absorber wind mechanomotive force certainly
Turn is dynamic, and dismounts quickly, facilitates user to clean and install, improves user experience.
Outer filter is arranged in range hood and is located at outer filter for a kind of range hood provided in an embodiment of the present invention
The rotary sieve of top carries out double filtration to oil smoke by outer filter and rotary sieve；Rotary sieve autorotation, constantly
Oil smoke is cut, the oil droplet in interception oil smoke strengthens filter effect；And it is not necessarily to motor driven, cost is saved, is saved
The inner space of range hood, increases the arrangement space of other component.Front end grease separative efficiency is substantially increased, is reduced
Oil smoke enters inside smoke machine, while not influencing kitchen ventilator basic performance.
In addition, the installation site of rotary sieve is flexible, the type of a variety of range hoods can adapt to, it can be with outer filter
Connection, is dismantled simultaneously with outer filter, easy to clean, and the rack or spiral case that can also be carried with range hood are connect, this installation
Mode does not influence existing outer filter structure, and the processing is simple.
Detailed description of the invention
Fig. 1 is a kind of schematic front view of rotary sieve of the embodiment of the present invention；
Fig. 2 is a kind of assembling schematic diagram of net-filter assembly of the embodiment of the present invention；
Fig. 3 is rotary sieve and the schematic diagram after outer filter fractionation in Fig. 2；
Fig. 4 is stress analysis schematic diagram of the rotary sieve of the embodiment of the present invention at fan blade；
Fig. 5 is the enlarged drawing of C in Fig. 4；
Fig. 6 is the stereoscopic schematic diagram of runner assembly in the embodiment of the present invention；
Fig. 7 is that the whole of net-filter assembly of the embodiment of the present invention splits schematic diagram；
Fig. 8 is the schematic diagram of regular hexagon mesh on rotary sieve of the embodiment of the present invention；
Fig. 9 is the schematic diagram of bar shaped mesh on rotary sieve of the embodiment of the present invention；
Figure 10 is the schematic diagram of diamond-shaped meshes on rotary sieve of the embodiment of the present invention；
Figure 11 is the whole stereoscopic schematic diagram of range hood of the embodiment of the present invention；
Figure 12 is the rack-mounted structural schematic diagram of rotary sieve of range hood of the embodiment of the present invention；
Figure 13 is that the rotary sieve of range hood of the embodiment of the present invention is mounted on the structural schematic diagram on spiral case；
Figure 14 is the schematic diagram that rotary sieve of the embodiment of the present invention is mounted on wind-engaging rotation at spiral case；
Figure 15 is that the outer filter of another kind of embodiment of the present invention shape is mounted on the schematic diagram on range hood.
In figure；100: range hood；10: rack；1: check-valves；2: fan assembly；21: spiral case；3: outer filter；31:
Mounting platform；32: mounting hole；4: rotary sieve；41: connector sleeve；41-1；Position long hole；41-2: notch；42: fan blade；43: filter
Net ontology；43-1: mesh；5: deflector；6: cold plate；7: lubricating cup；8: runner assembly；81: connecting shaft；82: bearing；83: axis
Set；83-1: positioning protrusion.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
It is more than two.
Referring to Figure 1, the embodiment of the invention provides a kind of rotary sieve 4 for range hood, the rotary sieves 4
It can specifically include:
Multiple fan blades 42, the rotation along the rotary sieve 4 are provided at circumferentially spaced, and multiple fan blades 42 are towards same
Side inclination, the Impact direction to ensure multiple fan blades 42 is identical, so as to rotate towards the same direction；
Multiple strainer ontologies 43, each strainer ontology 43 are set between two adjacent fan blades 42, Ke Yili
Solution, several mesh 43-1 are distributed in the surface of strainer ontology 43；
As shown in Figure 1, the rotary sieve 4 is in the rotation center inclined back taper from bottom to top by the rotary sieve 4
Shape.Be arranged it is in an inverted cone may insure rotary sieve 4 in identical installation space, surface area increase, so as to increase filter
The area of net ontology 43, so that the mesh 43-1 quantity of strainer ontology 43 increases i.e. raising percent opening.It is touched to increase with oil smoke
The probability hit, further improves grease separating degree.On the other hand, be arranged it is in an inverted cone, can match be similarly back taper or
The mounting portion of inversed taper platform shape, so that it is compact-sized, save installation space.In addition, setting is in an inverted cone, can to separate
Grease afterwards can voluntarily glide along back taper face, and drop onto the Grease Collection component such as lubricating cup below back taper.It is right
In the size of back draught, specific choice can according to need.
Upward suction air is generated by range hood, part suction air is directly passed through from the mesh 43-1 of strainer ontology 43
Continue to rise, wind is aspirated in the windward side of each fan blade 42 in part, pushes the fan blade 42 for example counterclockwise in the same direction
Or rotated along pointer direction, to drive the entire rotation automatically of rotary sieve 4.It can be changed by the inclined direction of change fan blade 42
Become the direction of rotation of rotary sieve 4.
In the present embodiment, fan blade 42 is suitable for guaranteeing incoming air area and rotation for 4-18 piece similar to fan blade, 42 the piece number of fan blade
It walks around speed.
Further, each strainer ontology 43 is connect with two adjacent fan blades 42 respectively, thus rotating
The rotation of strainer 4 circumferentially forms continuous sealing surface, so that 4 integral strength of rotary sieve is high, is unlikely to deform；And it is capable of increasing
The surface area of strainer ontology 43 enhances filter effect.
In the present embodiment, oil smoke passes through rotating strainer ontology 43, the rib between the mesh 43-1 of strainer ontology 43
Constantly oil smoke is cut, the oil droplet in interception oil smoke；Oil droplet after strainer 43 interception oil smoke of ontology, on strainer ontology 43
Under the centrifugal force effect that rotation generates, thrown away toward surrounding lower section；Reduce and continues in the oil smoke risen through strainer ontology 43
Grease.So circulation, improves grease separating degree.
In a specific embodiment of the invention, as shown in Figure 1, the central configuration of the rotary sieve 4 has connector sleeve 41,
To facilitate rotary sieve 4 to connect with other component, specifically, the multiple fan blade 42 and the multiple strainer ontology 43 are equal
One end is fixed on the connector sleeve 41, and along the circumferentially distributed of connector sleeve 41, forms three-dimensional wire side, surface area is big.
In a specific embodiment of the invention, as shown in Figure 1 and Figure 2, the fan blade 42 is in the strainer ontology 43
It is fan-shaped by the small class become larger outward by the center of the rotary sieve 4, to facilitate fan blade 42 and 43 edge of strainer ontology
The space layout of rotation center circumferential direction.
In one specific embodiment, the surface of the rotary sieve 4 can be in along the circumferential to updip of the connector sleeve 41
Oblique back taper.It can be convenient rotary sieve 4 by connector sleeve 41 to connect with mounting portion, and realize that rotary sieve 4 rotates.
In a specific embodiment of the invention, as depicted in figs. 1 and 2, the surface of the strainer ontology 43 is with even
The corrugated surface of continuous a wave crest and a trough, i.e. peaks and troughs are on the same continuous strainer ontology 43, certainly, " have herein
Have a continuous wave crest and a trough " it does not represent there is complete wavelength, half wavelength, 3/4ths wavelength can be with
With a continuous wave crest and a trough.By setting the corrugated surface with fluctuating for the surface of strainer ontology 43, so as to
The surface area for enough increasing strainer ontology 43, improves percent opening, promotes grease separating degree.
Specifically, the surface of the fan blade 42 is that inclination cambered surface by airflow design can reduce windage, can also be with
Preferably strainer ontology 43 of the matching with corrugated surface.
The corrugated surface is connected smoothly with the inclination cambered surface, to form transition cambered surface in junction, avoids point
The formation at angle, so that 4 uniform force of entire rotary sieve, and windage is small.It is risen so that wave is integrally formed in rotary sieve 4
The three-dimensional wire side of volt, the integral strength and promotion that can enhance rotary sieve 4 are separated by filtration the effect of grease.
It is as shown in Figure 4 and Figure 5, described in order to rotate rotary sieve 4 more effectively in one embodiment of the present of invention
The angle theta of fan blade 42 and horizontal plane can be 20 °≤θ≤70 °, preferably 45 °, with the structure design being optimal and use
Effect.
It should be further noted that the surface i.e. windward side that fan blade 42 is contacted with wind is in the cambered surface of evagination, it can be into one
Step reduces windage.
Specifically, according to the force analysis figure of rotary sieve in Fig. 4, generated when air-flow rises contact rotary sieve 4 to
On power F it is total, power F is always decomposed into power F1 and F2 in the contacting points position of fan blade 42.Power F1 acts on the cambered surface tangent line of fan blade 42
Direction and upper left angular direction along cambered surface, active force gradually dissipates after eventually passing through mesh 43-1.Perpendicular acting is in cambered surface tangent line
Power F2 on direction further decomposes into power F21 and F22, the total cos θ sin θ of F22=F, to directly drive the rotation of rotary sieve 4
Useful effect power makes autorotation while air-flow rises of rotary sieve 4.
In a specific embodiment of the invention, as seen in figs. 8-10, the mesh 43-1 on the strainer ontology can be in
Regular hexagon, diamond shape, bar shaped or circle etc., regular hexagon mesh 43-1 percent opening is big, windage is small, intensity is high, but rejection
There is no bar shaped mesh 43-1 high, it is also easy to clean without bar shaped mesh 43-1；Bar shaped mesh 43-1 rejection is high, grease flowing is imitated
Fruit is good, is convenient for cleaning, but percent opening does not have regular hexagon mesh 43-1 high；Diamond-shaped meshes 43-1 incoming air area is big, circular net
Hole 43-1 is easy to process, but percent opening is less than normal compared with regular hexagon or bar shaped mesh 43-1.It therefore, can be according to practical need
It asks and selects different mesh 43-1 shapes.Certainly, mesh 43-1 shape be not limited to above-mentioned regular hexagon, diamond shape, bar shaped or
Circle is only illustrated as example.It is also within the scope of the present invention for the mesh 43-1 of other shapes.
On the other hand, as shown in Figure 2 to Figure 3, and as shown in connection with fig. 7, the embodiment of the invention provides a kind of net-filter assembly,
Including outer filter 3 and rotary sieve 4 as described above；The rotary sieve 4 is rotatably connected to by runner assembly 8
The leeward side of the outer filter 3.Primary filtration is carried out to oil smoke by outer filter 3, the oil smoke after primary filtration passes through not
The rotary sieve 4 of disconnected rotation continues the oil droplet in interception oil smoke by rotary sieve 4；Double filtration is carried out to oil smoke, improves grease
Separating degree.
It should be noted that leeward side and windward side are opposite concepts, blowing over outer filter 3 from the bottom to top with wind is
Example, the lower section of outer filter 3 are windward side, and the top of outer filter 3 is leeward side.
Specifically, outer filter 3 can be grid, the close net of wire etc..
Further, as shown in figure 3, runner assembly 8 and 3 detachable connection of outer filter, are convenient for periodically filtering outer layer
Net 3 and rotary sieve 4 are cleaned respectively, to remove the greasy dirt in outer filter 3 and 4 surface of rotary sieve especially mesh,
Ensure the filter effect of outer filter 3 and rotary sieve 4.The surface of the outer filter 3 is gradually recessed by four circumferential middle parts, is in
The back taper to match with the surface shape of the rotary sieve 4.Compact-sized, energy after rotary sieve 4 is assembled with outer filter 3
It is enough more reasonably to utilize the installation space inside range hood.
In a specific embodiment of the invention, as shown in Figure 6 and Figure 7, the runner assembly 8 be can specifically include:
Connecting shaft 81, the connecting shaft 81 are axially arranged with threaded hole, with outward extension fixed in the connecting shaft 81
Position boss；
Bearing 82, the fixation of bearing 82 is set in the connecting shaft 81, and the inner ring of the bearing 82 is resisted against institute
It states on positioning convex platform, positioning and supporting role is played to bearing 82 by positioning convex platform, it is ensured that the stability after the installation of bearing 82；
Axle sleeve 83, the fastening of axle sleeve 83 are set in outside the outer ring of the bearing 82, and the lower end of axle sleeve 83 is open, axle sleeve 83
Be successively arranged small one and large one two through-holes being connected upwards axially along opening, form stepped hole, the aperture of open-mouth through-hole
Match with the race diameter of bearing 82, axle sleeve 83 is set in from top to bottom outside the outer ring of bearing 82 from open-mouth, stepped hole
Step is limited at the outer ring of bearing 82, plays positioning action, realizes the immovable fitting of axle sleeve 83 and bearing 82.
Further, the fixation of rotary sieve 4 is set in outside the axle sleeve 83, is specifically as follows, and axle sleeve 83 is circumferential to be set
There is at least one positioning protrusion 83-1, the positioning protrusion 83- preferably is respectively set in the circumferentially opposed two sides of axle sleeve 83
1；Positioning long hole 41-1 is arranged in corresponding position in the connector sleeve 41 of rotary sieve 4, positions the length direction of long hole 41-1 along even
Female connector 41 circumferentially extends, and positioning long hole 41-1 includes the macropore and aperture being connected, and the aperture of macropore is greater than positioning protrusion 83-1
Diameter, the aperture of aperture and the diameter of positioning protrusion 83-1 match.
It is set on axle sleeve 83 for the ease of connector sleeve 41, it can be the circumferential staggered orientation long hole 41-1's of connector sleeve 41
Position is equipped with the vertically arranged notch 41-2 of multiple tracks, and further, notch 41-2 is set to connector sleeve 41 far from fan blade 42 and strainer
One end of ontology 43, consequently facilitating there is certain elasticity when connector sleeve 41 and axle sleeve 83 are socketed, so as to reduce the two
Assembly difficulty.
When assembly, first rotary sieve 4 is set in outside axle sleeve 83 by connector sleeve 41, so that macropore and positioning protrusion 83-1
Position is corresponding, presses down on connector sleeve 41, so that positioning protrusion 83-1 slides into macropore, is then rotatablely connected and covers to aperture direction
41, so that positioning protrusion 83-1 slides into aperture, and it is stuck in aperture, realizes that connector sleeve 41 is fixedly connected with axle sleeve 83；Connection
The length of set 41 can will position long hole 41-1 close to connector sleeve 41 as far as possible and be arranged end setting, " be arranged herein in 10-20mm
End " refers to that connector sleeve 41 toward the one end being arranged in connecting shaft 81, is slides quickly into positioning long hole 41-1's convenient for positioning protrusion 83-1
In macropore.When disassembly is desired, connector sleeve 41 is rotated backward.
It should be noted that as shown in fig. 6, runner assembly 8 uses as a whole under normal conditions, and combine Fig. 6
With shown in Fig. 7, when connecting shaft 81, bearing 82 and axle sleeve 83 are connect with rotary sieve 4 as a whole after the assembly is completed, then
It is connect again with outer filter 3；So as to save assembly time, the assembly and disassembly improved between rotary sieve 4 and outer filter 3 are imitated
Rate.
Certainly, the connection type of connector sleeve 41 and axle sleeve 83 be also possible that axle sleeve 83 be equipped with can elastic telescopic positioning
Raised 83-1, connector sleeve 41 is equipped with the location hole to match with positioning protrusion 83-1, when connector sleeve 41 is set on axle sleeve 83
When, positioning protrusion 83-1 is shunk so that the flush with outer surface of the outer surface of positioning protrusion 83-1 and axle sleeve 83, when connector sleeve 41 after
It is continuous when moving down into location hole and being aligned with positioning protrusion 83-1, positioning protrusion 83-1 pop-up, so that connector sleeve 41 and the locking of axle sleeve 83
Cooperation realizes that the two is fixedly connected.Certain connector sleeve 41 can also use other suitable connection types with axle sleeve 83, herein not
It enumerates.
When rotary sieve 4 rotates, bearing 82 follows rotary sieve 4 to rotate together around connecting shaft 81, can using bearing 82
To reduce resistance when rotary sieve 4 rotates, long service life；By periodically bearing 82 being given to apply lubricating oil, can keep revolving
Turn 4 smooth rotation of strainer, noise is small.
Further, the runner assembly further includes threaded connector such as screw, and the center of the outer filter 3 is equipped with
Mounting hole 32, screw pass through the threaded hole spiral shell of the mounting hole 32 and the connecting shaft 81 from the windward side of the outer filter 3
Line connection, is convenient to mount and dismount, and connects reliably, can be realized the rapid-assembling/disassembling of rotary sieve 4.
When disassembly is desired, only it need to back out screw rotary sieve 4 can be realized and be separated with outer filter 3, can be facilitated pair
Rotary sieve 4 and 3 periodic cleaning of outer filter；It avoids grease from gathering, mesh 43-1 area is caused to become smaller and influence rotary sieve 4
Filter effect.
In another specific embodiment of the invention, rotary sieve 4 can also pass through runner assembly and 3 magnetic of outer filter
It is fixed together；Specifically, the runner assembly includes:
Magnetic axis, it is described magnetism axis on positioning convex platform with outward extension；
Bearing, the bearing fixing sleeve is located on the magnetic axis, and the inner ring of the bearing is resisted against the convex
On platform, positioning and supporting role are played to bearing by positioning convex platform, it is ensured that the stability after bearing installation；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the fixation of rotary sieve 4 is set in the axis
Set is outer, and the structure of the present embodiment axle sleeve is identical as a upper embodiment, and details are not described herein；
Magnetic coupling, the magnetic coupling are used for center and the magnetic axis from 3 windward side of outer filter
Lower end be attached together, it is, of course, also possible to be equipped with magnetic platform, the magnetism axis using the center of the outer filter 3
Lower end is attached together with the magnetic platform, that is to say, that when manufacturing outer filter 3, directly at the center of outer filter 3
Built-in magnetic component forms magnetic platform or magnetic platform is directly made of magnetic material, straight by magnetic axis and magnetic platform
Actuation is connect, the installation of rotary sieve 4 will can be more facilitated.
Herein, it should be noted that magnetic axis referred to is that the object that certain mode is reacted can be made to magnetic field, and should not
Ask its own that can generate magnetic field.Magnetic axis can be prepared using random magnetism material, such as magnet, mild steel etc..Together
Sample, magnetic coupling or magnetic platform can also be prepared using random magnetism material, and concrete form is unlimited, as long as magnetic
Axis and magnetic coupling or magnetic platform can produce magnetic attraction.
When needing to dismantle rotary sieve 4, magnetic attraction directly being overcome, removing magnetic coupling, disassembly is quick, or straight
It connects and removes magnetic axis；During installation, first magnetic axis is consolidated, it is magnetic that magnetic coupling is then pull-in on 3 face of outer filter
The bottom of axis, or magnetic axis is directly pull-in on magnetic platform and completes installation, quickly, user experience is good for installation.
In a specific embodiment of the invention, as Figure 2-3, the surface of the outer filter 3 is by four circumferential middle parts
It is gradually recessed, form similar back taper or inversed taper platform shape；3 integral strength of outer filter can be enhanced, outer layer filter can also be increased
The space for the other component installed above net 3.
As shown in Fig. 2, the back taper that the surface of the rotary sieve 4 is adaptable in the surface with the outer filter 3, two
Person's taper wants roughly equal or both the angle with horizontal plane to want roughly equal；Such as surface and the horizontal plane of rotary sieve 4
Angle is α, and the surface of outer filter 3 and the angle of horizontal plane are β, then α is at or about β；So that after the two installation
Matching degree is high, compact-sized, integrally occupies little space.
As shown in Fig. 3 and Fig. 7, contacted more stablely for the ease of connecting shaft 81 and outer filter 3, the outer filter
3 equipped with mounting platform 31 is set as at the mounting hole 32, and the lower end of the connecting shaft 81 is resisted against on the mounting platform 31,
The threaded connector passes through mounting hole 32 from the windward side of the outer filter 3 and is threadedly coupled with the connecting shaft 81, thus
So that rotary sieve 4 is more stable after being connect by runner assembly 8 with outer filter 3.
In addition, in order to can quickly be positioned when realizing that connecting shaft 81 is placed on mounting platform 31, preferred mounting hole 32
Inward flange extends outwardly a bit of formation protrusion, is located in the protrusion using the screw thread borehole jack of connecting shaft 81, can be convenient for connection
The quick capturing position of axis 81 improves installation speed.
In addition, can be set as outward extending flange by 81 lower end of connecting shaft to optimize the structure of connecting shaft 81, it is convex
The outer diameter of edge is greater than the aperture of mounting hole 32, is greater than installation so as to avoid the need for for the integral diameter of connecting shaft 81 being fabricated to
The diameter in hole 32 reduces the manufacture difficulty of connecting shaft 81 so as to save consumptive material.
In addition, mounting platform 31 can not set mounting hole for the structure that magnetic axis is arranged, it can be in mounting platform 31
Upper and lower two sides are respectively provided with positioning groove, facilitate the positioning of magnetic axis and magnetic coupling, by magnetic coupling from mounting platform 31
Lower section together with magnetic axis magnetic absorption；To which rotary sieve 4 is mounted on outer filter 3.
On the other hand, as shown in Figure 11-Figure 15, the embodiment of the invention also provides a kind of range hoods 100, including water conservancy diversion
Plate 5 and the fan assembly 2 above the deflector 5, specifically, range hood 100 is including exhaust fume collecting hood and is set to exhaust fume collecting hood
The rack of top, deflector 5 are set to the lower part of exhaust fume collecting hood, and fan assembly 2 is set to the inside of rack.
Further, which further includes at least one net-filter assembly described above, that is to say, that oil suction
Smoke machine 100 can be equipped with a net-filter assembly, can also be equipped with multiple net-filter assemblies, when being equipped with multiple net-filter assemblies, preferably
It is arranged side by side, as shown in figure 15, a rotary sieve is matched by each outer filter, such grease separative efficiency is higher；Such as
Shown in Fig. 3, the shape of outer filter 3 can be square, and as shown in figure 15, the shape of outer filter 3 can also be rounded, herein
It is not construed as limiting；Circular outer filter 3 is equally connect by runner assembly 8 with rotary sieve 4, and in the outer end of runner assembly 8
Equipped with outer cover, play the role of fixed rotary sieve and oil-stain-preventing.
The outer filter 3 is mounted on the air inlet of the deflector 5, and specifically, the rear side of outer filter 3, which is equipped with, to be inserted
Foot, front side is equipped with threaded hole, when installation, is first plugged in the rear side pin of outer filter 3 on rear side of the air inlet of deflector 5, so
Afterwards by the front side of outer filter 3 by being connect on front side of screw and the air inlet of deflector 5；In disassembly, before first tearing outer filter 3 open
The screw of side, then the pin of 3 rear side of outer filter is extracted；It assembles and disassembles more convenient.
After outer filter 3 is installed, the installation of net-filter assembly integral position determines that the rotary sieve 4 is located at the outer layer
Between strainer 3 and the fan assembly 2；
Upward suction air is generated by the fan assembly 2, and direction shown in the arrow in Figure 14 from the bottom to top is suction
The flow direction of wind drives the rotation automatically of rotary sieve 4, and direction shown in counterclockwise arrow is the rotation of rotary sieve 4 in Figure 14
Direction.Double filtration is carried out to oil smoke by outer filter 3 and rotary sieve 4；4 autorotation of rotary sieve, constantly to oil smoke
It is cut, the oil droplet in interception oil smoke strengthens filter effect；And it is not necessarily to motor driven, cost is saved, oil suction has been saved
The inner space of smoke machine 100 increases the arrangement space of other component.
Certainly, in order to individually control the rotation of rotary sieve 4, it also can use motor and rotary sieve 4 driven to rotate, it is such
Set-up mode is also within the scope of the present invention.
In a specific embodiment of the invention, such as Figure 11 is simultaneously combined shown in Figure 14, can also include:
Cold plate 6, cold plate 6 are set on the deflector 5, and are located at the underface of the outer filter 3, generation of cooking
Oil smoke rise after contact cold plate 6 condensed, and be successively passed into rotary sieve 4 from the through-hole on outer filter 3, and
Enter in fan assembly 2 from rotary sieve 4, is finally discharged in smoke pipe from the check-valves of frame top 1.Oil smoke passes through dual mistake
Filter, substantially reduces into the oil smoke fat content in fan assembly 2, so as to ensure the critical component example in fan assembly 2
As the performance of impeller promotes user satisfaction to also be able to extend the self-cleaning period of range hood 100.
In addition, range hood 100 further includes lubricating cup 7, lubricating cup 7 is set to the side by wall of the cold plate 6, the lubricating cup
7 rim of a cup is located at the underface that the cold plate 6 leans on wall side, and oil droplet is dropped in cold plate by outer filter 3 and rotary sieve 4
On 6, it is collected by unified import in lubricating cup 7 of cold plate 6, only needs periodically to clear up lubricating cup 7.
In the present embodiment, range hood 100 can may be that machine is inhaled in side for T-type machine, and for T-type machine, outer filter 3 is selected
With surface to recessed back taper bench-type；It is preferably matched in the rotary sieve 4 of back taper at this time, as shown in Figure 2.It can be reasonable
Using installation space, the two matching degree is improved, installation space is saved.
In addition, as shown in Figure 12 and Figure 13, a kind of range hood 100 of the present embodiment includes water conservancy diversion in another embodiment
Plate, rack 10 and fan assembly, the fan assembly include spiral case 21, further include:
Rotary sieve 4 as described above；
Outer filter 3 is mounted on the air inlet of the deflector；
The rotary sieve 4 is rotatably connected in the rack 10 by runner assembly or the bottom of the spiral case 21
Portion, and it is opposite with the outer filter 3, existing 3 structure of outer filter is not influenced, and the processing is simple.
Specifically, the runner assembly may include:
Connecting shaft, the connecting shaft edge are axially arranged with threaded hole, positioning convex platform with outward extension in the connecting shaft；
Bearing, the bearing fixing sleeve are located in the connecting shaft, and the inner ring of the bearing is resisted against the convex
On platform, in the present embodiment, the inner ring lower end surface of bearing is resisted against the upper surface of positioning convex platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in the axis
Set is outer；
Threaded connector, the threaded connector are fixed in the rack 10 and extend the rack 10 or be fixed on
The spiral case 21 is simultaneously extended in the bottom of the spiral case 21, and the elongated end of the threaded connector and the threaded hole screw thread connect
It connects.It is, of course, understood that threaded connector can be screw, screw passes through bottom and the fixation of rack 10 or spiral case 21,
The traversing through end of screw is threadedly coupled with connecting shaft, and the position of rotary sieve 4 is fixed.In order to enable oil smoke passes through outer filter
It is can continue to after 3 by rotary sieve 4, rotary sieve 4 is preferably set to the surface of outer filter 3.Rotary sieve 4 uses this
Kind mounting means is easy for installation, and does not influence the existing structure of outer filter 3.
In another specific embodiment, the runner assembly may include:
Magnetic axis, it is described magnetism axis on positioning convex platform with outward extension；
Bearing, the bearing fixing sleeve is located on the magnetic axis, and the inner ring of the bearing is resisted against the convex
On platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in the axis
Set is outer；
Magnetic coupling, the magnetic coupling are fixed in the rack 10 or are fixed on the bottom of the spiral case 21,
Certainly, magnetic coupling can also be integrally provided in rack 10 or the bottom of spiral case 21, be attached together with the magnetic axis.Together
Sample can fix the position of rotary sieve 4.In order to enable oil smoke is can continue to after outer filter 3 by rotary sieve 4,
It is preferred that rotary sieve 4 to be set to the surface of outer filter 3.Rotary sieve 4 is easy for installation using this mounting means, and not
Influence the existing structure of outer filter 3.
It should be noted that magnetic axis reference is that can make the object that certain mode is reacted to magnetic field, it is not required that its
Itself can generate magnetic field.Magnetic axis can be prepared using random magnetism material, such as magnet, mild steel etc..Likewise,
Magnetic coupling can also be prepared using random magnetism material, and concrete form is unlimited, as long as magnetic axis and magnetic coupling
It can produce magnetic attraction.
It can be seen that the mounting means of rotary sieve 3 of the present invention is flexible, the type of a variety of range hoods can adapt to.
As can be seen from the above embodiments, the embodiment of the present invention is by setting rotary sieve, the pumping generated by range hood
Air draught drives the rotary sieve to rotate automatically, the oil droplet in interception oil smoke, improves grease separating degree；And outer filter and rotation
Turning strainer can individually manufacture, easy to process, and it is convenient to assemble, and cost is easy to control.
Double filtration is carried out to oil smoke by outer filter and rotary sieve；Rotary sieve autorotation, constantly to oil smoke
It is cut, the oil droplet in interception oil smoke strengthens filter effect；And it is not necessarily to motor driven, cost is saved, oil suction has been saved
The inner space of smoke machine.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of rotary sieve, it to be used for range hood, which is characterized in that the rotary sieve includes:
Multiple fan blades, the rotation along the rotary sieve are provided at circumferentially spaced, and multiple fan blades are tilted towards the same side；
Multiple strainer ontologies, each strainer ontology are set between two adjacent fan blades；
The rotary sieve is in the rotation center inclined back taper from bottom to top by the rotary sieve.
2. rotary sieve according to claim 1, which is characterized in that each strainer ontology respectively with adjacent two
The fan blade connection.
3. rotary sieve according to claim 1, which is characterized in that the central configuration of the rotary sieve has connector sleeve,
The multiple fan blade and the multiple equal one end of strainer ontology are fixed on the connector sleeve.
4. rotary sieve according to claim 3, which is characterized in that the surface of the rotary sieve is in along the connector sleeve
The acclivitous back taper of circumferential direction.
5. rotary sieve according to claim 2, which is characterized in that the surface of the strainer ontology is with continuous one
The corrugated surface of wave crest and a trough；
The surface of the fan blade is inclination cambered surface；
The corrugated surface is connected smoothly with the inclination cambered surface.
6. rotary sieve according to claim 1-5, which is characterized in that the surface of the fan blade and horizontal plane
Angle theta is 20 °≤θ≤70 °.
7. rotary sieve according to claim 1-5, which is characterized in that the mesh on the strainer ontology is in just
Hexagon, diamond shape, bar shaped or circle.
8. a kind of net-filter assembly, including outer filter, which is characterized in that further include:
Such as the described in any item rotary sieves of claim 1-7；
The rotary sieve is rotatably connected to the leeward side of the outer filter, and the runner assembly by runner assembly
With the outer filter detachable connection；
The surface of the outer filter is gradually recessed by four circumferential middle parts, matches in the surface shape with the rotary sieve
Back taper.
9. net-filter assembly according to claim 8, which is characterized in that the runner assembly includes:
Connecting shaft, the connecting shaft edge are axially arranged with threaded hole, positioning convex platform with outward extension in the connecting shaft；
Bearing, the bearing fixing sleeve are located in the connecting shaft, and the inner ring of the bearing is resisted against on the positioning convex platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in outside the axle sleeve；
Threaded connector, the threaded connector from the windward side of the outer filter with the threaded hole for being threadedly coupled.
10. net-filter assembly according to claim 8, which is characterized in that the runner assembly includes:
Magnetic axis, it is described magnetism axis on positioning convex platform with outward extension；
Bearing, the bearing fixing sleeve is located on the magnetic axis, and the inner ring of the bearing is resisted against on the positioning convex platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in outside the axle sleeve；
Magnetic coupling, the magnetic coupling are used for the center from the outer filter windward side and the lower end of the magnetic axis
It is attached together,
Or, the center of the outer filter is equipped with magnetic platform, the lower end of the magnetism axis and the magnetic platform are adsorbed on one
It rises.
11. net-filter assembly according to claim 9, which is characterized in that
The center of the outer filter is equipped with mounting platform, and the mounting platform is equipped with mounting hole, the lower end of the connecting shaft
It is resisted against on the mounting platform, the threaded connector passes through the mounting hole and is threadedly coupled with the connecting shaft.
12. a kind of range hood, including deflector and fan assembly, which is characterized in that further include:
At least one is such as the described in any item net-filter assemblies of claim 8-11；
The outer filter is mounted on the air inlet of the deflector；
The rotary sieve is between the outer filter and the fan assembly；
Upward suction air is generated by the fan assembly, and the rotary sieve is driven to rotate automatically.
13. a kind of range hood, including deflector, rack and fan assembly, the fan assembly include spiral case, feature exists
In, further includes:
Such as the described in any item rotary sieves of claim 1-7；
Outer filter is mounted on the air inlet of the deflector；
The rotary sieve is rotatably connected in the rack by runner assembly or the bottom of the spiral case, and with it is described
Outer filter is opposite.
14. range hood according to claim 13, which is characterized in that the runner assembly includes:
Connecting shaft, the connecting shaft edge are axially arranged with threaded hole, positioning convex platform with outward extension in the connecting shaft；
Bearing, the bearing fixing sleeve are located in the connecting shaft, and the inner ring of the bearing is resisted against on the positioning convex platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in outside the axle sleeve；
Threaded connector, the threaded connector are fixed in the rack and extend the rack or be fixed on the spiral case
Bottom and extend the spiral case, the elongated end of the threaded connector is threadedly coupled with the threaded hole.
15. range hood according to claim 13, which is characterized in that the runner assembly includes:
Magnetic axis, it is described magnetism axis on positioning convex platform with outward extension；
Bearing, the bearing fixing sleeve is located on the magnetic axis, and the inner ring of the bearing is resisted against on the positioning convex platform；
Axle sleeve, the axle sleeve fastening are set in outside the outer ring of the bearing, and the rotary sieve fixation is set in outside the axle sleeve；
Magnetic coupling, the magnetic coupling are fixed in the rack or are fixed on the bottom of the spiral case, with the magnetic
Property axis is attached together.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910729897.4A CN110500627B (en) | 2019-08-08 | 2019-08-08 | Rotary filter screen, filter screen assembly and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910729897.4A CN110500627B (en) | 2019-08-08 | 2019-08-08 | Rotary filter screen, filter screen assembly and range hood |
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| CN110500627A true CN110500627A (en) | 2019-11-26 |
| CN110500627B CN110500627B (en) | 2020-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359323A (en) * | 2020-04-28 | 2020-07-03 | 佛山市顺德区美的洗涤电器制造有限公司 | Oil smoke filter equipment and lampblack absorber |
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| KR20050031721A (en) * | 2003-09-30 | 2005-04-06 | (주)비앤이티 | Device for enlarging the air bent of range hood using in kitchen |
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| CN110500627B (en) | 2020-12-22 |
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Effective date of registration: 20230517 Address after: 241012 west side of floor 3, office building 5, new energy and new materials cluster, Fuzhou Road, Jiangbei concentration area, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: No.20 Gangqian Road, industrial park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd. |
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