CN110939967A - Range hood with turnover oil screen - Google Patents
Range hood with turnover oil screen Download PDFInfo
- Publication number
- CN110939967A CN110939967A CN201911379469.XA CN201911379469A CN110939967A CN 110939967 A CN110939967 A CN 110939967A CN 201911379469 A CN201911379469 A CN 201911379469A CN 110939967 A CN110939967 A CN 110939967A
- Authority
- CN
- China
- Prior art keywords
- oil screen
- oil
- connecting rod
- guide plate
- range hood
- 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.)
- Pending
Links
- 230000007306 turnover Effects 0.000 title abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 44
- 230000002441 reversible effect Effects 0.000 claims description 10
- 235000019504 cigarettes Nutrition 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010411 cooking Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000000630 rising effect Effects 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- 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
- F24C15/2078—Removing cooking fumes movable
- F24C15/2092—Removing cooking fumes movable extendable or pivotable
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention provides a range hood with a turnover oil screen, which comprises an oil screen, a guide plate, a screw rod motor assembly, a sliding assembly and a range hood body, wherein the upper end of the oil screen is movably connected with the sliding assembly, the lower end of the oil screen is movably connected with the front end of the guide plate, the rear end of the guide plate is movably connected with the rear side of the bottom of the range hood body, the screw rod motor assembly and the sliding assembly are both fixed on the front wall of the range hood body, and the screw rod motor assembly is connected with the upper end of the oil screen; the screw rod motor assembly drives the oil net to turn down along the sliding assembly and drives the guide plate to turn down together. The invention makes the oil screen downwards extend, the negative pressure area below the oil screen downwards moves, the smoke collecting cavity formed by the oil screen and the guide plate is closer to the cooking bench, the oil smoke generated by the cooking bench is sucked away by the range hood at the first time, the diffusion of the oil smoke in the rising process is avoided, and the better smoke collecting effect is achieved.
Description
Technical Field
The invention belongs to the technical field of range hoods, and particularly relates to a range hood with a turnover oil screen.
Background
At present, European style range hoods have become the first choice of users by increasingly replacing Chinese style range hoods, and have a large proportion in the market due to the characteristics that the European style top range hoods have huge smoke collecting cavities and oil smoke is not easy to diffuse. The oil screen is mainly used for preventing large articles from being sucked into the range hood, the flanging structure of the oil screen can effectively guide oil, and the installation position of the oil screen can most directly control the effective smoking area of one range hood. The oil screen in the prior art is higher than the cooking bench, and in the real cooking process, due to the heat generated by heating in the pot, the oil smoke can be quickly diffused in the rising process, and the smoke collecting effect is not ideal.
Disclosure of Invention
In order to solve the problems in the prior art, the invention mainly aims to provide the range hood with the turnover oil screen, so that the oil screen can be downwards extended to be close to a cooking bench, and the smoke collecting effect is enhanced.
In order to achieve the purpose, the invention provides a range hood with a turnover oil screen, which comprises the oil screen, a guide plate, a screw rod motor assembly, a sliding assembly and a range hood body, wherein the upper end of the oil screen is movably connected with the sliding assembly, the lower end of the oil screen is movably connected with the front end of the guide plate, the rear end of the guide plate is movably connected with the rear side of the bottom of the range hood body, the screw rod motor assembly and the sliding assembly are both fixed on the front wall of the range hood body, and the screw rod motor assembly is connected with the upper end of the; the screw rod motor assembly drives the oil screen to turn downwards along the sliding assembly and drives the guide plate to turn downwards together to enable the smoke inlet cavity to move downwards so as to increase the depth of the smoke inlet cavity, or drives the oil screen to turn upwards so as to fold the oil screen into the smoke machine body.
Further, the screw rod motor assembly comprises a screw rod motor, a screw rod sliding head and a cross rod, the screw rod sliding head is movably connected with a screw rod of the screw rod motor and fixedly connected in the middle of the cross rod, two ends of the cross rod are slidably connected with the sliding assembly, and the upper end of the oil screen is connected with two ends of the cross rod.
Further comprises a screw motor bracket fixed on the front wall of the cigarette machine body, a screw motor is arranged in the screw motor bracket,
further, still include first link assembly, first link assembly includes first oil net connecting rod, first guide plate connecting rod and first auxiliary connecting rod, the middle part of first guide plate connecting rod is connected in the middle part of the first side of guide plate, the front end and the sliding component sliding connection of first oil net connecting rod, and be connected with the upper end of oil net simultaneously, the rear end of first oil net connecting rod and the front end of first guide plate connecting rod are connected on first rivet, the lower extreme of oil net is equipped with inserts the tongue, insert the tongue and be connected with the first tongue groove card of inserting of the rear end of first oil net connecting rod, the rear end of first guide plate connecting rod is connected with the front end of first auxiliary connecting rod, the rear end swing joint of first auxiliary connecting rod is on the first lateral wall of cigarette machine body.
Further, still include second link assembly, second link assembly includes the second oil net connecting rod, second guide plate connecting rod and the vice connecting rod of second, the middle part of second guide plate connecting rod is connected in the middle part of the second side edge of guide plate, the front end and the sliding component sliding connection of second oil net connecting rod, and be connected with the upper end of oil net simultaneously, the rear end of second oil net connecting rod and the front end of second guide plate connecting rod are connected on the second rivet, insert the tongue and insert tongue groove joint with the second of the rear end of second oil net connecting rod and be connected, the rear end of second guide plate connecting rod is connected with the front end of the vice connecting rod of second, the rear end swing joint of the vice connecting rod of second is on the second lateral wall of cigarette machine body.
Furthermore, the cross section of the oil screen is arc-shaped, the radius of the arc-shaped is 250-350mm, and a plurality of smoke inlet holes are formed in the oil screen.
And when the oil screen turns downwards, the oil screen side plate, the oil screen and the guide plate form a smoke collection cavity.
Furthermore, the smoke guiding device also comprises a flow guiding groove and a flow guiding ring, wherein the flow guiding groove is arranged at the front end of the flow guiding plate, and the flow guiding ring is arranged around the smoke inlet at the bottom of the smoke machine body.
Further, the range hood further comprises an oil cup, the oil cup is connected with the rear end of the guide plate, the oil cup is cuboid or cylindrical and is fixed behind the bottom of the range hood body, and the oil cup is communicated with the guide groove.
Further, lead screw motor element replaces for gear motor element, and gear motor element includes gear motor, slip horizontal pole and rack, and gear motor fixes on the slip horizontal pole, and the rack is fixed on the antetheca of cigarette machine body, is equipped with the gear on gear motor's the transmission shaft, and gear and rack mesh, slip horizontal pole both ends and slip subassembly sliding connection, and the upper end of oil net is connected with the both ends of slip horizontal pole.
Compared with the prior art, the range hood with the turnable oil screen has the advantages that the screw rod motor assembly drives the oil screen to turn downwards along the sliding assembly, the guide plate is driven to turn downwards together, the oil screen is downwards detected, the negative pressure area below the oil screen moves downwards, the smoke collection cavity formed by the oil screen and the guide plate is closer to a cooking bench, oil smoke generated by the cooking bench is sucked away by the range hood at the first time, the diffusion of the oil smoke in the rising process is avoided, and the smoke collection effect is better than that of a traditional oil screen fixed range hood. Meanwhile, when the range hood does not work, the screw rod motor assembly drives the oil screen and the guide plate to be turned upwards and folded into the range hood body, so that the range hood is more elegant and attractive in whole.
Drawings
FIG. 1 is a schematic structural diagram of a range hood with a reversible oil screen according to an embodiment of the present invention;
FIG. 2 is an external view of a closed state of an oil screen and a baffle according to an embodiment of the present invention;
FIG. 3 is an external view of an open state of an oil screen and a baffle according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an oil screen and a baffle in a closed state according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an open state of an oil screen and a baffle according to an embodiment of the present invention;
FIG. 6 is a first exploded view of a linkage assembly according to an embodiment of the present invention;
FIG. 7 is an exploded view of a lead screw motor assembly according to one embodiment of the present invention;
FIG. 8 is a second exploded view of a linkage assembly in accordance with an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a two-gear motor assembly according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
the invention provides a range hood with a turnover oil screen, which comprises an oil screen 1, a guide plate 2, a screw rod motor assembly 3, a sliding assembly 5 and a range hood body 7, wherein the upper end of the oil screen 1 is movably connected with the sliding assembly 5, the lower end of the oil screen is movably connected with the front end of the guide plate 2, the rear end of the guide plate 2 is movably connected with the rear edge 74 of the bottom of the range hood body 7, the screw rod motor assembly 3 and the sliding assembly 5 are fixed on the front wall 73 of the range hood body 7, and the screw rod motor assembly 3 is connected with the upper end of the oil screen 1.
By adopting the structure, the oil screen 1 is driven to downwards turn along the sliding assembly 5 through the screw rod motor assembly 3, then the guide plate 2 is driven to downwards turn, the oil screen 1 downwards probes, the negative pressure area below the oil screen 1 downwards moves, the smoke collection cavity formed by the oil screen 1 and the guide plate 2 is closer to the cooking bench, the oil smoke generated by the cooking bench is sucked away by the range hood at the first time, the diffusion of the oil smoke in the rising process is avoided, and the smoke collection effect is enhanced. When the range hood does not work, the screw rod motor assembly 3 drives the oil screen 1 and the guide plate 2 to turn upwards and is collected into the range hood body 7, so that the range hood is attractive and tidy in appearance.
As shown in fig. 6 and 7, the lead screw motor assembly 3 includes a lead screw motor 31, a lead screw sliding head 32, a lead screw motor bracket 33 and a cross bar 34, the lead screw motor bracket 33 is fixed on the front wall 73, the lead screw motor 31 is installed in the lead screw motor bracket 33, the lead screw sliding head 32 is movably connected with a lead screw of the lead screw motor 31 and is fixedly connected to the middle of the cross bar 34, two ends of the cross bar 34 are slidably connected with the sliding assembly 5, and the upper end of the oil screen 1 is connected with two ends of the cross bar 34;
thus, the screw rod of the screw rod motor 31 rotates to move the screw rod sliding head 32 on the screw rod, drive the cross rod 34 to slide on the sliding assembly 5, and then turn the oil screen 1 up and down along the sliding assembly 5.
The lead screw motor assembly 3 of this embodiment is high in stability, easy to detach, stable in operation, small in motor load, low in failure rate and long in service life.
The present embodiment further includes a linkage assembly including a first linkage assembly 41 and a second linkage assembly 42, as shown in figures 6-8,
the first link assembly 41 includes a first oil screen connecting rod 411, a first guide plate connecting rod 412 and a first auxiliary connecting rod 413, the middle of the first guide plate connecting rod 412 is connected to the middle of the first side 21 of the guide plate 2, the front end of the first oil screen connecting rod 411 is connected with the sliding assembly in a sliding manner 5 and is connected with the upper end of the oil screen 1 at the same time, the rear end of the first oil screen connecting rod 411 and the front end of the first guide plate connecting rod 412 are connected to a first rivet 43, the lower end of the oil screen 1 is provided with an insertion tongue 14, the insertion tongue 14 is inserted and connected with a first insertion tongue groove 414 at the rear end of the first oil screen connecting rod 411 in a plugging manner, the rear end of the first guide plate connecting rod 412 is connected with the front end of the first auxiliary connecting rod 413, and the rear end of the first auxiliary connecting rod 413 is connected to the.
The second connecting rod assembly 42 comprises a second oil screen connecting rod 421, a second guide plate connecting rod 422 and a second auxiliary connecting rod 423, the middle part of the second guide plate connecting rod 422 is connected to the middle part of the second side edge 22 of the guide plate 2, the front end of the second oil screen connecting rod 421 is connected with the sliding assembly 5 in a sliding manner and is simultaneously connected with the upper end of the oil screen 1, the rear end of the second oil screen connecting rod 421 and the front end of the second guide plate connecting rod 422 are connected onto the second rivet 44, the inserting tongue 14 is connected with a second inserting tongue groove 424 at the rear end of the second oil screen connecting rod 421 in an inserting manner, the rear end of the second guide plate connecting rod 422 is connected with the front end of the second auxiliary connecting rod 423, and the rear end of the second auxiliary connecting rod 423 is connected onto the second side wall 72 of the;
the plug tongue 14 is connected with the first plug tongue groove 414 and the second plug tongue groove 424 in a plugging manner, so that the oil screen 1 can be assembled and disassembled more conveniently and quickly;
like this, lead screw motor element 3 drive first oil net connecting rod 411 and second oil net connecting rod 421 move on sliding assembly, through the linkage of first guide plate connecting rod 412, first vice connecting rod 413 and second guide plate connecting rod 422, second vice connecting rod 423, drive oil net 1 and guide plate 2 and overturn.
The section of the oil screen 1 is arc-shaped, the radius of the arc-shaped is 250-350mm, and the preferred embodiment is 300 mm; a plurality of smoke inlet holes are formed in the oil screen; therefore, the contact area between the oil screen 1 and oil smoke can be increased, and meanwhile, when the oil screen 1 is upright, the grease on the oil screen can better flow down along the circular arc; a plurality of smoke inlet holes are formed in the oil screen to preliminarily filter the oil smoke.
As shown in fig. 1-3, the present embodiment further includes an oil screen side plate 13, a diversion trench 23, a diversion ring 24, and an oil cup 6;
the oil screen side plate 13 is fixed on the side edge of the oil screen 1, when the oil screen 1 turns downwards, the oil screen side plate 13, the oil screen 1 and the guide plate 2 form a smoke collection cavity, the smoke collection cavity is closer to a cooking bench, and oil smoke generated in a pot can be sucked away at the first time.
The guiding gutter 23 sets up the front end at guide plate 2, and when filter screen 1 and guide plate 2 opened, the range hood during operation, the oil of filter screen 1 and guide plate 2 drips in the same direction as sliding to guiding gutter 23, avoids oil to drip into the pot.
The oil cup 6 is connected with the rear end of the guide plate 2, the oil cup 6 is a cuboid or a cylinder, preferably a cuboid in the embodiment and is fixed on the rear side of the bottom of the cigarette machine body 7.
The guide ring 24 is arranged around the smoke inlet at the bottom of the cigarette machine body 7, when the guide plate 2 is closed, the guide ring 24 surrounds the guide plate 2, the guide ring 24 is communicated with the oil cup 6, and oil drops on the oil screen 1 and the guide plate 2 flow into the guide ring 24 and then flow into the oil cup 6 along the guide ring 24.
The oil cup 6 is fixed at the back of the bottom of the range hood body 7, the problem that oil stain is easy to drip into a pot when the oil cup is arranged in the middle is solved, and the oil stain of the oil screen 1 and the guide plate 2 can flow into the oil cup 6 conveniently.
When the range hood works, the oil screen 1 and the guide plate 2 are turned downwards, so that the oil screen 1 is stretched downwards, and the smoke collecting effect is enhanced; when not working, the oil screen 1 and the guide plate 2 are collected inside the cigarette machine body 7, and the appearance is rich in aesthetic feeling and technological feeling.
Example two:
on the basis of the first embodiment, the second embodiment of the invention provides a range hood with a reversible oil screen, as shown in fig. 8, a screw rod motor assembly 3 is replaced by a gear motor assembly 8, the gear motor assembly 8 comprises a gear motor 81, a sliding cross rod 82 and a rack 83, the gear motor 81 is fixed on the sliding cross rod 82, the rack 83 is fixed on the front wall 73 of the range hood body, a transmission shaft of the gear motor 81 is provided with a gear 811, the gear 811 is meshed with the rack 83, two ends of the sliding cross rod 82 are slidably connected with the sliding assembly 5, and the upper end of the oil screen 1 is connected with two ends of the sliding cross rod 52; the rack 83 is vertically arranged and positioned in the middle of the sliding assembly 5, so that the sliding cross rod 82 is stressed uniformly and moves more stably.
The gear motor 81 rotates the gear 811, and generates a driving force by engaging with the rack 83, so that the sliding cross bar 82 moves on the sliding assembly 5, and the oil screen 1 is driven to turn up and down.
The second embodiment of the invention has the technical effects that the gear motor assembly 8 drives the oil screen 1 to turn down along the sliding assembly 5, then the guide plate 2 is driven to turn down together, the oil screen 1 is downwards extended, the negative pressure area below the oil screen 1 moves down, the smoke collection cavity formed by the oil screen 1 and the guide plate 2 is closer to the cooking bench, the oil smoke generated by the cooking bench is sucked away by the range hood at the first time, the oil smoke is prevented from diffusing in the rising process, and the smoke collection effect is enhanced. When the range hood does not work, the gear motor component 8 drives the oil screen 1 and the guide plate 2 to turn upwards and gather into the interior of the range hood body 7, so that the range hood is attractive in appearance and rich in science and technology sense.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A range hood with a reversible oil screen is characterized by comprising the oil screen, a guide plate, a screw rod motor assembly, a sliding assembly and a range hood body, wherein the upper end of the oil screen is movably connected with the sliding assembly, the lower end of the oil screen is movably connected with the front end of the guide plate, the rear end of the guide plate is movably connected with the rear edge of the bottom of the range hood body, the screw rod motor assembly and the sliding assembly are both fixed on the inner front wall of the range hood body, and the screw rod motor assembly is connected with the upper end of the oil screen; the screw rod motor assembly drives the oil screen to downwards turn along the sliding assembly, and drives the guide plate to downwards turn together to enable the smoke inlet cavity to downwards move so as to increase the depth of the smoke collection cavity, or drives the oil screen to upwards turn so as to fold the oil screen into the smoke machine body.
2. The range hood with the reversible oil screen as claimed in claim 1, wherein the screw rod motor assembly comprises a screw rod motor, a screw rod sliding head and a cross rod, the screw rod sliding head is movably connected with a screw rod of the screw rod motor and is fixedly connected to the middle of the cross rod, two ends of the cross rod are slidably connected with the sliding assembly, and the upper end of the oil screen is connected with two ends of the cross rod.
3. The range hood with the reversible oil screen as claimed in claim 2, further comprising a lead screw motor bracket fixed on the front wall of the range hood body, wherein the lead screw motor is installed in the lead screw motor bracket.
4. The range hood of claim 1, further comprising a first link assembly, the first connecting rod component comprises a first oil net connecting rod, a first guide plate connecting rod and a first auxiliary connecting rod, the middle part of the first guide plate connecting rod is connected with the middle part of the first side edge of the guide plate, the front end of the first oil net connecting rod is connected with the sliding component in a sliding way, and is connected with the upper end of the oil screen, the rear end of the first oil screen connecting rod and the front end of the first guide plate connecting rod are connected on a first rivet, the lower end of the oil screen is provided with an inserting tongue which is connected with a first inserting tongue groove at the rear end of the first oil screen connecting rod in an inserting way, the rear end of the first guide plate connecting rod is connected with the front end of the first auxiliary connecting rod, and the rear end of the first auxiliary connecting rod is movably connected to the first side wall of the cigarette machine body.
5. The range hood that oil net can overturn according to claim 4, further comprising a second connecting rod assembly, wherein the second connecting rod assembly comprises a second oil net connecting rod, a second guide plate connecting rod and a second auxiliary connecting rod, the middle of the second guide plate connecting rod is connected to the middle of the second side edge of the guide plate, the front end of the second oil net connecting rod is connected with the sliding assembly in a sliding manner and is simultaneously connected with the upper end of the oil net, the rear end of the second oil net connecting rod and the front end of the second guide plate connecting rod are connected to the second rivet, the insertion tongue is connected with the second insertion tongue groove at the rear end of the second oil net connecting rod in an insertion manner, the rear end of the second guide plate connecting rod is connected with the front end of the second auxiliary connecting rod, and the rear end of the second auxiliary connecting rod is connected to the second side wall of the hood body.
6. The range hood with the reversible oil screen as claimed in claim 1, wherein the cross section of the oil screen is circular arc, the radius of the circular arc is 250-350mm, and the oil screen is provided with a plurality of smoke inlet holes.
7. The range hood with the reversible oil screen as claimed in claim 1, further comprising an oil screen side plate, wherein the oil screen side plate is fixed on the side edge of the oil screen, and when the oil screen turns downwards, the oil screen side plate, the oil screen and the guide plate form a smoke collection cavity.
8. The range hood with the reversible oil screen as claimed in claim 1, further comprising a diversion trench and a diversion ring, wherein the diversion trench is arranged at the front end of the diversion plate, and the diversion ring is arranged around the smoke inlet at the bottom of the range hood body.
9. The range hood with the reversible oil screen as claimed in claim 8, further comprising an oil cup, wherein the oil cup is connected with the rear end of the guide plate, the oil cup is a cuboid or a cylinder and is fixed behind the bottom of the range hood body, and the oil cup is communicated with the guide ring.
10. The range hood with the reversible oil screen as claimed in any one of claims 1 to 9, wherein the screw rod motor assembly is replaced by a gear motor assembly, the gear motor assembly comprises a gear motor, a sliding cross rod and a rack, the gear motor is fixed on the sliding cross rod, the rack is fixed on the front wall of the hood body, a gear is arranged on a transmission shaft of the gear motor, the gear is meshed with the rack, two ends of the sliding cross rod are slidably connected with the sliding assembly, and the upper end of the oil screen is connected with two ends of the sliding cross rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911379469.XA CN110939967A (en) | 2019-12-27 | 2019-12-27 | Range hood with turnover oil screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911379469.XA CN110939967A (en) | 2019-12-27 | 2019-12-27 | Range hood with turnover oil screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110939967A true CN110939967A (en) | 2020-03-31 |
Family
ID=69912607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911379469.XA Pending CN110939967A (en) | 2019-12-27 | 2019-12-27 | Range hood with turnover oil screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110939967A (en) |
-
2019
- 2019-12-27 CN CN201911379469.XA patent/CN110939967A/en active Pending
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