CN108087931A - Smoke exhaust ventilator - Google Patents
Smoke exhaust ventilator Download PDFInfo
- Publication number
- CN108087931A CN108087931A CN201711268804.XA CN201711268804A CN108087931A CN 108087931 A CN108087931 A CN 108087931A CN 201711268804 A CN201711268804 A CN 201711268804A CN 108087931 A CN108087931 A CN 108087931A
- Authority
- CN
- China
- Prior art keywords
- babinet
- shaft
- gear set
- strainer
- cam
- 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.)
- Granted
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ventilation (AREA)
Abstract
The present invention relates to household appliance technical fields, and in particular to smoke exhaust ventilator, including rack and babinet, the side wall of the babinet is equipped with inlet scoop, and top is equipped with exhaust outlet, and the center of bottom surface is equipped with discharge outlet；Header tank is additionally provided in babinet；The top of babinet is equipped with motor, is connected with shaft below motor, shaft is also associated with cam, impeller, gear set and rotating disk from top to bottom；Cam is connected with piston cylinder, piston cylinder connection header tank；Impeller is additionally provided with strainer, strainer is fixed on babinet, and strainer covers exhaust outlet in exhaust outlet below impeller；Gear set and rotating disk are in box house；Gear set is planetary gear set, and the sun gear of shaft and gear set connects；Stirring rod is also associated on the planetary gear of gear set, the upper end of stirring rod is equipped with brush board, and lower end is hanging with the bottom of box.Rotating disk is in the lower end of shaft.This programme can clean strainer while purifying oil fume, prevent the blocking of strainer.
Description
Technical field
The present invention relates to household appliance technical fields, and in particular to smoke exhaust ventilator.
Background technology
Each oil and fat product has " smoke point ", that is, starts the temperature substantially smoldered.Most of pure transparent grease
The smoke point of product is usually at 200 degree or so.Temperature often generates between 200-300 DEG C during cooking during cooking
Oil smoke is noxious material and carcinogenic suspicion substance containing methacrylaldehyde, benzene, formaldehyde, crotonaldehyde etc. in oil-producing cigarette.Traditional pumping
Oil smoke can be extracted into outdoor by kitchen ventilator from interior, reduce the harm to human body, but directly oil smoke discharge pollutes the environment.
In order to reduce hazardous emission, pure air, environmental protection.Authorization Notice No. is the middle promulgated by the State Council of CN105485744A
Bright patent provides a kind of smoke exhaust ventilator, it includes casing of cooker hood, and casing of cooker hood lower end is inlet scoop, and upper end is row
Air port；Sink is installed in the position of inlet scoop, sink one end is equipped with discharge outlet, and the other end is equipped with water inlet, in sink
Ultrasonic oscillator is installed, direction of several ultrasonic oscillators along discharge outlet to water inlet in sink is set gradually,
The position of exhaust outlet is equipped with wind turbine, and wind turbine one end is air outlet, and the other end is air inlet, and air outlet passes through smoke discharging pipe and row
Air port connects, and spray header is equipped in the position of air inlet, spray header is connected with water pump, and the water by inlet channel
Pump is arranged in sink, and sputtering spray port is offered below spray header, is provided with strainer above spray header, the patent formula
The droplet for making water fogging subtle using excusing from death ripple cools down smog, and is collided with smoke particle in oil smoke, and the particle in oil smoke is gathered
It is combined, forms jelly, convenient for recycling oil smoke.
But in above-mentioned patent formula, oil smoke polymerize the jelly to be formed with the water after atomization and is easy to filter net jam,
It needs often to disassemble strainer, strainer can be cleared up, it is cumbersome.
The content of the invention
In order to solve the problems, such as filter net jam, smoke exhaust ventilator provided by the invention can clear up strainer, prevent strainer automatically
It blocks.
Smoke exhaust ventilator includes rack and babinet, and the side wall of the babinet is equipped with inlet scoop, and top is equipped with exhaust outlet, bottom surface
Centre be equipped with discharge outlet；Header tank is additionally provided in babinet；The top of the babinet is equipped with motor, and the motor is fixed on machine
On frame, shaft is connected with below the motor, the shaft is also associated with cam, impeller, gear set and rotation from top to bottom
Disk；The one side of the cam is equipped with piston cylinder, and the piston cylinder is fixed in rack, and the piston rod of cam and piston cylinder, which slides, to be connected
It connects, the cylinder body connection header tank of piston cylinder；The cylinder body of piston cylinder is equipped with water pipe, and the water pipe leads at rotating disk；The impeller
In exhaust outlet, strainer is additionally provided with below the impeller, the strainer is fixed on babinet, and strainer covers exhaust outlet；It is described
Gear set and rotating disk are in box house；The gear set is planetary gear set, and the sun gear of shaft and gear set connects；Gear
Stirring rod is also associated on the planetary gear of group, the upper end of the stirring rod is equipped with brush board, and lower end is hanging with the bottom of box, the rotation
Turntable is in the lower end of shaft.
The principle of this programme is：
Start motor, motor drives shaft to rotate, and cam, impeller, gear set and the rotating disk in shaft are with shaft one
It rises and rotates.Impeller forms negative pressure during rotation, can oil smoke be sucked box house from inlet scoop.Lead to during cam rotation
It crosses piston rod and drives piston motion, when piston is away from cylinder body, the water in header tank can be drawn onto cylinder body from the import of piston cylinder
It is interior, when piston is close to cylinder body, water in cylinder body can be discharged from outlet, the in vivo water of cylinder passes through the supercharging of piston cylinder, and flow velocity is very
Soon, water is ejected by water pipe in rotating disk, and a part of water is atomized, and becomes droplet, and another part water flows to the bottom of box,
The speed that water flows into babinet is more than the speed that water is discharged from discharge outlet, and extra water can stay in the bottom of box.
The negative pressure that impeller generates drives droplet to move up, and mixes with the oil smoke for sucking babinet, cools down to oil smoke,
And oil smoke is combined generation jelly with droplet, and heavier jelly is fallen into water downwards due to the influence of gravity；Lighter
Jelly is as air is to exhaust outlet movement, and in the strainer by being covered on babinet, strainer can be by jelly and air
Separation, air are discharged outside smoke exhaust ventilator, and lighter jelly is stayed on strainer.Droplet can be assembled on strainer, will be relatively light
Jelly package, increase the weight of lighter jelly, the jelly for making part lighter drops downwards.
While gear set rotates, by sun gear planetary gear is driven to rotate, planetary gear can be with shaft while rotating
It moves in a circle for the center of circle, the stirring rod with planetary gear connection together with planetary gear with moving.The brush board of stirring rod upper end can
Strainer is cleared up, brush board can move in a circle to fall the jelly on strainer clearly while rotating, and prevent strainer from blocking up
Plug.When clearing up sieve, the droplet being gathered on sieve can clean brush board, keep the cleaning of brush board.The lower end of stirring rod
It is capable of the water of stirred box body bottom, the jelly fallen into water can be rotated with dampening in babinet, and jelly is avoided to be adhered to
In water tank.
Since the bottom of stirring rod and babinet is hanging, directly the water on upper strata is stirred, the centrifugal force of the water on upper strata compared with
Greatly；The water of lower floor is close to bottom, and with the inner wall of babinet there are frictional force, and the rotating speed of the water of lower floor is slow, the centrifugation of lower water
Power is smaller, so as to form pressure slope, and generates the inside ripple along bottom therewith, in the jelly at edge is gathered
Centre, jelly are discharged from the discharge outlet at bottom of box center.
The advantages of this programme, is：
1. smoke exhaust ventilator can clear up strainer automatically, filter net jam is prevented.
2. when clearing up strainer, brush board, while rotating, can obtain filter gauze cleaning more dry while as stirring rod moves
Only.
3. during stirring, water-borne glue shape object is not bound to the inner wall of babinet with dampening movement, ensure that the cleaning of babinet.
4. during stirring, the jelly in water can be moved at discharge outlet, discharged convenient for jelly.
5. by the rotation of motor rotating disk rotation is driven to make water atomization, the use of supersonic generator is omitted, more
It is cost-effective.
Further, smoke exhaust ventilator further includes operation panel, and the operation panel connects in the outside of babinet, operation panel with motor
It connects.
Can the rotating speed of motor be adjusted according to the number of oil smoke, it is more convenient to use；And the difference of motor speed is led to
It is also different from the cam rotation speed that motor connects to cross shaft, and the rotating speed of cam influences the frequency of piston motion, when oil smoke is more
When, the rotating speed of motor is faster, and piston cylinder can suck more water from header tank and carry out purifying oil fume.It ensure that the abundant of oil smoke
Purification.
Further, the sun gear is connected with shaft by flat key.
Sun gear is connected with shaft by flat key, can effectively be transferred the load between shaft and sun gear, and be filled
It tears open conveniently, it is of low cost.
Further, suspended hood is equipped at the inlet scoop on the outside of the babinet.
Suspended hood can collect oil smoke, and the flowing of control pollution oil smoke has prevented oil smoke from being spread to room air.
Further, water-level gauge is additionally provided on the outside of the babinet, the water-level gauge is connected with header tank.
The water level in header tank can be observed by the water-level gauge on the outside of babinet, convenient in time to moisturizing in header tank.
Further, the cam is interference fitted with shaft.
Simple in structure using interference fit, alignment is good, can bear larger torque and dynamic loading.
Description of the drawings
Fig. 1 is the structure diagram of smoke exhaust ventilator in the embodiment of the present invention.
Specific embodiment
Below by the further details of explanation of specific embodiment：
Reference numeral in Figure of description includes：Babinet 1, inlet scoop 102, exhaust outlet 103, discharge outlet 104, motor 2,
Shaft 3, cam 4, piston cylinder 5, impeller 6, sun gear 7, planetary gear 8, rotating disk 9, stirring rod 10, brush board 11, strainer 12, collection
Water tank 13, suspended hood 14, water-level gauge 15, operation panel 16, water pipe 17.
As shown in Figure 1, smoke exhaust ventilator includes rack and babinet 1, the upper end of babinet 1 is provided with exhaust outlet 103, the side of babinet 1
Inlet scoop 102 is provided on wall, is also welded with suspended hood 14 at the inlet scoop 102 in the outside of babinet 1, at the bottom center of babinet 1
Be provided with discharge outlet 104, be also equipped with header tank 13 in babinet 1, header tank 13 is equipped with inlet and outlet, babinet 1 it is outer
Side is equipped with water-level gauge 15, and water-level gauge 15 is connected with header tank 13.The outside of babinet 1 is also equipped with operation panel 16, operation panel
16 are connected with motor 2.
The top of babinet 1 is equipped with motor 2, and motor 2 is bolted in rack, is equipped on the output shaft of motor 2
Shaft coupling, motor 2 are connected with shaft 3 by shaft coupling.Cam 4, impeller 6, gear set are connected in shaft 3 from top to bottom
With rotating disk 9.Shaft 3 stretches into the inside of babinet 1 from exhaust outlet 103.Cam 4 is fixed on shaft 3 in the top of babinet 1, cam 4
On, cam 4 is interference fit with shaft 3.Circumferential sliding slot is also provided on cam 4.Piston cylinder is additionally provided in the one side of cam 4
5, piston cylinder 5 is bolted in rack, is hinged with idler wheel on the piston rod of piston cylinder 5, and the idler wheel on piston rod can
It is rolled in sliding slot on cam 4.The import of piston cylinder 5 is connected by water pipe 17 with the water outlet of water tank.The outlet of piston leads to
It crosses water pipe 17 and leads to rotating disk 9.
Shaft 3 is equipped with external screw thread, and the internal thread with the external screw thread cooperation in shaft 3, leaf are equipped on the inside of the wheel hub of impeller 6
It is connected through a screw thread, is also connected in shaft 3 there are two nut, two nuts can fix impeller 6 between wheel 6 and shaft 3.Leaf
Wheel 6 is in 1 exhaust outlet 103 of babinet.Strainer 12 is additionally provided in the lower section of impeller 6, strainer 12 is bolted on babinet 1,
Strainer 12 can cover exhaust outlet 103.
For gear set inside babinet 1, gear set is planetary gear set, and the gear ring of gear set is fixed in rack, and shaft 3 is logical
The sun gear 7 for crossing flat key and gear set connects, and stirring rod 10, stirring rod 10 and planet are also associated on the planetary gear 8 of gear set
Wheel 8 is interference fit.The upper end of stirring rod 10 is fixed with brush board 11, and brush board 11 is equipped with bristle, and bristle is contacted with strainer 12, stirred
Lower end and the bottom of babinet 1 for mixing bar 10 are hanging.Rotating disk 9 is welded on the lower end of shaft 3.
Motor 2 is started by operation panel 16, motor 2 drives shaft 3 to rotate, cam 4, impeller 6, gear in shaft 3
Group and rotating disk 9 rotate together with shaft 3, and impeller 6 forms negative pressure during rotation, and oil smoke passes through suspended hood 14, from
Enter at inlet scoop 102 inside babinet 1.Cam 4, which rotates, drives piston rod movement, makes piston by import from 13 water outlet of header tank
Then water from outlet by water pipe 17 is sprayed onto in water suction cylinder body in the rotating disk 9 of rotation, atomizes water into little Shui by mouth
Pearl, droplet is moved up to be combined with oil smoke, forms jelly, heavier jelly is fallen into the water of 1 lower section of babinet, lighter
Jelly is moved with air to exhaust outlet 103, and the strainer 12 on babinet 1 separates jelly with air, air discharge oil pumping
Outside smoke machine, lighter jelly is stayed on strainer 12.
When gear set rotates, stirring rod 10 is driven to rotate while moving in a circle along shaft 3,10 upper end of stirring rod
Brush board 11 strainer 12 is cleared up, 10 lower end of stirring rod is stirred water, and the jelly to fall into the water is in whipping process
In from discharge outlet 104 discharge smoke exhaust ventilator.
Claims (6)
1. smoke exhaust ventilator includes rack and babinet, which is characterized in that the side wall of the babinet is equipped with inlet scoop, and top is equipped with row
Air port, the centre of bottom surface are equipped with discharge outlet；Header tank is additionally provided in babinet；The top of the babinet is equipped with motor, the electricity
Machine is fixed in rack, and shaft is connected with below the motor, and the shaft is also associated with cam, impeller, tooth from top to bottom
Wheel group and rotating disk；The one side of the cam is equipped with piston cylinder, and the piston cylinder is fixed in rack, the work of cam and piston cylinder
Stopper rod is slidably connected, the cylinder body connection header tank of piston cylinder；The cylinder body of piston cylinder is equipped with water pipe, and the water pipe leads to rotating disk
Place；The impeller is additionally provided with strainer in exhaust outlet below the impeller, and the strainer is fixed on babinet, and strainer is by air draft
Mouth covering；The gear set and rotating disk are in box house；The gear set is the sun of planetary gear set, shaft and gear set
Wheel connection；Stirring rod is also associated on the planetary gear of gear set, the upper end of the stirring rod is equipped with brush board, lower end and the bottom of box
Vacantly, the rotating disk is in the lower end of shaft.
2. smoke exhaust ventilator according to claim 1, which is characterized in that further include operation panel, the operation panel is in case
The outside of body, operation panel are connected with motor.
3. smoke exhaust ventilator according to claim 2, which is characterized in that the sun gear is connected with shaft by flat key.
4. smoke exhaust ventilator according to claim 3, which is characterized in that air draught is equipped at the inlet scoop on the outside of the babinet
Cover.
5. smoke exhaust ventilator according to claim 4, which is characterized in that water-level gauge is additionally provided on the outside of the babinet, it is described
Water-level gauge is connected with header tank.
6. smoke exhaust ventilator according to claim 5, it is characterised in that：The cam is interference fitted with shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268804.XA CN108087931B (en) | 2017-12-05 | 2017-12-05 | Smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268804.XA CN108087931B (en) | 2017-12-05 | 2017-12-05 | Smoke exhaust ventilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108087931A true CN108087931A (en) | 2018-05-29 |
| CN108087931B CN108087931B (en) | 2019-03-15 |
Family
ID=62173768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711268804.XA Active CN108087931B (en) | 2017-12-05 | 2017-12-05 | Smoke exhaust ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087931B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708133A (en) * | 2019-01-14 | 2019-05-03 | 张树祥 | A kind of multifuctional solar residential building chimney emission purification device |
| CN109896652A (en) * | 2019-03-02 | 2019-06-18 | 林锋忠 | A kind of sewage collection system of upper row's formula smoke exhaust ventilator using water-oil separating air bearing principle |
| CN110479517A (en) * | 2019-08-21 | 2019-11-22 | 王翠霞 | A kind of block-resistant type flush coater with rifle away from regulatory function |
| CN111022335A (en) * | 2019-11-25 | 2020-04-17 | 耒阳金悦科技发展有限公司 | Potassium chlorate solution high pressure delivery pump package |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163333Y (en) * | 1993-06-10 | 1994-04-27 | 徐灯贤 | Fume processing unit |
| AU2004202500A1 (en) * | 2003-06-06 | 2004-12-23 | Mark Creelman | Exhaust cleaning system |
| EP1493905A1 (en) * | 2003-07-01 | 2005-01-05 | CLAAS Selbstfahrende Erntemaschinen GmbH | Cleaning device for cooling air |
| JP2006292248A (en) * | 2005-04-08 | 2006-10-26 | Matsushita Electric Ind Co Ltd | Range hood |
| CN101152611A (en) * | 2006-09-26 | 2008-04-02 | 东元电机股份有限公司 | Automatic renewing device of filter screen |
| TW201003011A (en) * | 2008-07-01 | 2010-01-16 | United Trust Electronic Co Ltd | Ventilator with an automatic cleaner |
| CN203577511U (en) * | 2013-12-12 | 2014-05-07 | 郑州金石环境技术有限公司 | Power source-free smoke filter device |
| CN204678450U (en) * | 2015-06-09 | 2015-09-30 | 南安市腾龙专利应用服务有限公司 | A kind of lampblack filter |
| CN106390629A (en) * | 2016-11-14 | 2017-02-15 | 中国科学院过程工程研究所 | Double-layer coaxial counter-rotating filter screen for grease separation of range hood |
| CN206439875U (en) * | 2016-11-07 | 2017-08-25 | 杭州杰高环保科技有限公司 | A kind of smoke purifier |
| CN107270351A (en) * | 2017-07-27 | 2017-10-20 | 佛山市正略信息科技有限公司 | A kind of movable cooker hood |
| CN107362678A (en) * | 2017-09-05 | 2017-11-21 | 袁旭华 | A kind of integral type oil smoke Flash Gas Compression Skid System |
-
2017
- 2017-12-05 CN CN201711268804.XA patent/CN108087931B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163333Y (en) * | 1993-06-10 | 1994-04-27 | 徐灯贤 | Fume processing unit |
| AU2004202500A1 (en) * | 2003-06-06 | 2004-12-23 | Mark Creelman | Exhaust cleaning system |
| EP1493905A1 (en) * | 2003-07-01 | 2005-01-05 | CLAAS Selbstfahrende Erntemaschinen GmbH | Cleaning device for cooling air |
| JP2006292248A (en) * | 2005-04-08 | 2006-10-26 | Matsushita Electric Ind Co Ltd | Range hood |
| CN101152611A (en) * | 2006-09-26 | 2008-04-02 | 东元电机股份有限公司 | Automatic renewing device of filter screen |
| TW201003011A (en) * | 2008-07-01 | 2010-01-16 | United Trust Electronic Co Ltd | Ventilator with an automatic cleaner |
| CN203577511U (en) * | 2013-12-12 | 2014-05-07 | 郑州金石环境技术有限公司 | Power source-free smoke filter device |
| CN204678450U (en) * | 2015-06-09 | 2015-09-30 | 南安市腾龙专利应用服务有限公司 | A kind of lampblack filter |
| CN206439875U (en) * | 2016-11-07 | 2017-08-25 | 杭州杰高环保科技有限公司 | A kind of smoke purifier |
| CN106390629A (en) * | 2016-11-14 | 2017-02-15 | 中国科学院过程工程研究所 | Double-layer coaxial counter-rotating filter screen for grease separation of range hood |
| CN107270351A (en) * | 2017-07-27 | 2017-10-20 | 佛山市正略信息科技有限公司 | A kind of movable cooker hood |
| CN107362678A (en) * | 2017-09-05 | 2017-11-21 | 袁旭华 | A kind of integral type oil smoke Flash Gas Compression Skid System |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708133A (en) * | 2019-01-14 | 2019-05-03 | 张树祥 | A kind of multifuctional solar residential building chimney emission purification device |
| CN109896652A (en) * | 2019-03-02 | 2019-06-18 | 林锋忠 | A kind of sewage collection system of upper row's formula smoke exhaust ventilator using water-oil separating air bearing principle |
| CN110479517A (en) * | 2019-08-21 | 2019-11-22 | 王翠霞 | A kind of block-resistant type flush coater with rifle away from regulatory function |
| CN111022335A (en) * | 2019-11-25 | 2020-04-17 | 耒阳金悦科技发展有限公司 | Potassium chlorate solution high pressure delivery pump package |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108087931B (en) | 2019-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108087931B (en) | Smoke exhaust ventilator | |
| CN211069512U (en) | Double-stage high-pressure superfine atomization wet type dust removal fan | |
| CN110090524A (en) | A kind of construction device for reducing dust | |
| CN207419345U (en) | A kind of sweeping machine with effluent cycle device for reducing dust | |
| CN208320333U (en) | A kind of easy building dust-extraction unit | |
| CN209285378U (en) | One kind is swept the floor equipment | |
| CN104197389A (en) | Near-suction type range hood with oil smoke filtering function | |
| CN109248528B (en) | Water net centrifugal purifier | |
| CN209564723U (en) | A kind of ultrasonic gas filter device based on wet structure | |
| CN104197388A (en) | Oil smoke filtering device | |
| CN203757808U (en) | Variable speed cyclone oil smoke purifier | |
| CN201735297U (en) | High-efficiency cyclone circular device for purifying and separating oil smoke | |
| CN107715579A (en) | A kind of high-temperature flue gas cyclone dust collectors | |
| CN209558456U (en) | It is centrifuged rinsing type range hood | |
| CN103791535A (en) | Speed-changing cyclone lampblack purifier | |
| CN111425910A (en) | Environment-friendly hydrologic cycle self-cleaning oil extraction cigarette purifies all-in-one | |
| CN208574394U (en) | Dust-extraction unit is used in a kind of production of corrugated paper | |
| CN208693162U (en) | A kind of water scooping machine | |
| CN207299069U (en) | A kind of automatic cleaning kitchen ventilator | |
| CN104197390A (en) | Tower type range hood with oil smoke filtering function | |
| CN204043011U (en) | There is the tower range hood of lampblack filtering function | |
| CN206593181U (en) | A kind of smoke exhaust ventilator with self-cleaning function | |
| CN109529456A (en) | A kind of ultrasonic gas filter device and method based on wet structure | |
| CN205402864U (en) | Be used for rotatory oil fume sucking device of removing of catering trade whirl | |
| CN203068637U (en) | Automatic lifting and sealing type range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |