CN111811006A - Oil collecting structure and range hood applying same - Google Patents
Oil collecting structure and range hood applying same Download PDFInfo
- Publication number
- CN111811006A CN111811006A CN202010599337.4A CN202010599337A CN111811006A CN 111811006 A CN111811006 A CN 111811006A CN 202010599337 A CN202010599337 A CN 202010599337A CN 111811006 A CN111811006 A CN 111811006A
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- oil
- oil collecting
- base
- connector
- side groove
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- 239000002699 waste material Substances 0.000 claims abstract description 58
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 210000000078 claw Anatomy 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000004519 grease Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding 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
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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 invention discloses an oil collecting structure, which comprises an oil collecting body with an opening at the upper end and an oil discharging device, and is characterized in that: the oil discharge device is including installing at the inside flexible pipe of collection oil body, both ends open-ended cavity form about flexible pipe is, oil discharge device still including can with the upper end pull down of flexible pipe and compress so that with the internal waste oil exhaust connector of collection oil, the mounting hole that supplies the connector to pass is seted up to the bottom of collection oil body. Also discloses a range hood applying the oil collecting structure. Compared with the prior art, the invention has the advantages that: can warp through the setting under the pulling force effect to change this internal height of collection oil to the switching of oil storage or oil extraction state, convenient easy operation.
Description
Technical Field
The invention relates to an oil collecting device, in particular to an oil collecting structure and a range hood applying the oil collecting structure
Background
The range hood has become one of indispensable kitchen appliances in modern families, utilizes the fluid dynamics principle to work, inhales and exhausts oil smoke through a centrifugal fan arranged in the range hood, and uses a filter screen to filter partial grease particles. The centrifugal fan comprises a volute, an impeller arranged in the volute and a motor driving the impeller to rotate. When the impeller rotates, negative pressure suction is generated in the center of the fan, oil smoke below the range hood is sucked into the fan, accelerated by the fan and then collected and guided by the volute to be discharged out of a room.
In the process of exhausting the oil fume flow, most of grease can be separated out, so that an oil cup is often installed at the bottom of a fume collecting hood of the range hood to collect the separated grease, and the grease is disposed when a certain amount of grease is reached. The oil cup is used as a key part for collecting and storing grease, the oil cup needs to be disassembled when waste oil is cleaned, and the oil cup is easily spilled out of the oil cup due to the fact that the oil cup which is commonly used at present is in a long groove shape and is careless in the disassembling process, and oil stains can be stained on a table top, the skin of a user and clothes.
Therefore, the range hood that need not to clear up waste oil through dismantling the oil cup has appeared, chinese utility model patent as application number 201920236773.8 discloses a range hood with oil cup, have the open-ended oil cup including the top, the oil cup is rectangular form, and this oil cup level sets up the below at the range hood body corresponding position, the oil cup has at least one end to set up on the range hood body through lift adjustment mechanism relatively range hood body oscilaltion, and the oil cup has seted up the oil leak hole on the position of neighbouring or keeping away from this liftable end to be equipped with the blocking piece that can open or close this oil leak hole.
This range hood is when the waste oil of clearance oil cup, though need not to dismantle the oil cup, nevertheless when needs clearance waste oil, need adjust lift adjustment mechanism, makes the oil cup be in the tilt state, treats waste oil clearance completion back, still need adjust the oil cup back to the horizontality through lift adjustment mechanism again, and whole clearance process is comparatively loaded down with trivial details inconvenient.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide an oil collecting structure, which is convenient for cleaning waste oil without disassembly, in view of the above-mentioned disadvantages of the prior art.
The second technical problem to be solved by the invention is to provide a range hood with the oil collecting structure.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides an oil collecting structure, includes the open collection oil body in upper end and oil extraction device, its characterized in that: the oil discharge device is including installing at the inside flexible pipe of collection oil body, both ends open-ended cavity form about flexible pipe is, oil discharge device still including can with the upper end pull down of flexible pipe and compress so that with the internal waste oil exhaust connector of collection oil, the mounting hole that supplies the connector to pass is seted up to the bottom of collection oil body.
Preferably, in order to facilitate the pulling down of the upper end of the telescopic pipe, the lower end of the telescopic pipe is fixed with the bottom of the oil collecting structure, and the upper end of the telescopic pipe is connected with the connector.
Preferably, in order to facilitate the connector to pull the telescopic pipe, the connector extends into the telescopic pipe from the outer side of the bottom of the oil collecting cup body, and the upper end of the connector is connected with the upper end of the telescopic pipe.
Preferably, for the relative collection oil body location and motion of connector, the oil extraction device is still including setting up the base in collection oil body bottom outside, both ends open-ended cavity form about the base is, the connector is including all being upper and lower extreme open-ended hollow connecting seat and setting up the connector on the connecting seat, the connecting seat is located the base and can be relative the base rotation and go up and down, the connector then is located the expansion pipe, the upper end and the upper end of expansion pipe of connector are connected.
Preferably, in order to be connected with the waste oil collecting container conveniently, the inner side wall of the connecting base is provided with an inner thread matched with the waste oil collecting container for collecting the waste oil in the oil collecting body.
Preferably, the peripheral wall of the base is provided with a first side groove, the first side groove penetrates through the inner side and the outer side of the peripheral wall of the base, and the first side groove extends for a certain distance along the circumferential direction of the base; the peripheral wall of the base is also provided with a second side groove, the second side groove penetrates through the inner side and the outer side of the peripheral wall of the base and also penetrates through the bottom surface of the base, the second side groove extends for a certain distance along the circumferential direction of the base, and the size of the second side groove in the circumferential direction is smaller than that of the first side groove; the connector is characterized in that a convex claw is arranged on the outer side of the peripheral wall of the connecting seat of the connector, the convex claw is inserted into the first side groove from the inner side of the base outwards, the height of the convex claw is not larger than that of the first side groove, and the size of the convex claw in the circumferential direction is not larger than that of the second side groove, so that the convex claw can rotate in the first side groove and can pass through the second side groove to lift.
In order to empty waste oil in the oil collecting body as much as possible, a step part is formed on the periphery of the mounting hole of the oil collecting body in a downward concave mode, and the lower end of the telescopic pipe is connected with the step part.
The first technical solution adopted by the present invention to solve the second technical problem is: the utility model provides an applied range hood as above oil collecting structure, includes the casing, its characterized in that: the oil collecting body is an oil cup arranged on the outer side of the bottom of the shell.
The second technical solution adopted by the present invention to solve the second technical problem is: the utility model provides an applied range hood as above oil collecting structure, includes the casing, its characterized in that: the oil collecting body is an oil collecting groove formed by downwards sinking the inner side of the bottom of the shell.
Compared with the prior art, the invention has the advantages that: the oil collecting body can deform under the action of tension, so that the height in the oil collecting body is changed, the switching of oil storage or oil discharge states is facilitated, and the operation is convenient and easy; in the process of collecting the waste oil, a user does not need to wait all the time, after the waste oil is collected, the waste oil collecting container is separated from the oil discharging device, and the waste oil collecting container filled with the waste oil can be screwed on a bottle cap and placed at a recyclable garbage place or a waste oil recycling place; an oil collecting groove which is concave downwards and used for collecting waste oil is formed at the bottom of the inner side of the shell, so that the waste oil is not required to be collected by using an oil cup, and the inconvenience caused by dumping the waste oil by disassembling the oil cup is avoided while the manufacturing cost is reduced.
Drawings
FIG. 1 is a schematic view of a range hood according to a first embodiment of the present invention;
fig. 2 is a schematic view of an oil collecting structure of the range hood according to the first embodiment of the present invention;
fig. 3 is an exploded schematic view of an oil collecting structure of the range hood according to the first embodiment of the present invention;
fig. 4 is a sectional view of an oil collecting structure of the first embodiment of the range hood of the present invention;
fig. 5 is a sectional view of an oil cup of an oil collecting structure of the first embodiment of the extractor hood of the present invention;
fig. 6 is a schematic view of an oil discharge device of an oil collecting structure according to a first embodiment of the range hood of the present invention;
fig. 7 is a schematic view of an oil discharge state of the range hood according to the first embodiment of the present invention;
fig. 8 is a schematic view of an oil collecting structure of the range hood according to the first embodiment of the present invention;
fig. 9 is a schematic view of a connection state between an oil discharge device and a waste oil collecting container of an oil collecting structure of a first embodiment of the extractor hood of the present invention;
FIG. 10 is a cross-sectional view of FIG. 9;
fig. 11 is a schematic view of a range hood according to a second embodiment of the present invention;
fig. 12 is a sectional view of a range hood according to a second embodiment of the present invention;
FIG. 13 is an enlarged view of a portion I of FIG. 12;
fig. 14 is a schematic view of an oil discharge state of the range hood according to the second embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and that the directional terms are used for purposes of illustration and are not to be construed as limiting, for example, because the disclosed embodiments of the present invention may be oriented in different directions, "lower" is not necessarily limited to a direction opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Example one
Referring to fig. 1 and 2, a range hood includes a housing 1 and an oil collecting structure disposed at the bottom of the housing 1.
Referring to fig. 2 to 6, in the present embodiment, the oil collecting structure includes an oil cup 21 and an oil discharging device 22, the oil cup 21 is disposed outside the bottom of the housing 1, the oil cup 21 is in a shape of an open top, a mounting hole 211 is opened at the bottom of the oil cup 21, the mounting hole 211 is preferably circular and opened in the middle of the oil cup 21, and a step portion 212 is formed by recessing the periphery of the mounting hole 211 downward. The oil drain 22 is provided at the mounting hole 211.
The oil discharging device 22 comprises a base 221, a telescopic pipe 222 and a connector 223, wherein the base 221 is in a hollow cylindrical shape with openings at the upper end and the lower end, the base 221 can be connected to the outer side of the bottom of the oil cup 21 in a welding or gluing mode, and the base 221 is arranged on the outer periphery of the step part 212. Extension tube 222 is shaped to have both open upper and lower ends, and is disposed inside oil cup 21, and the lower end thereof is connected to step portion 212 of oil cup 21 by means of an adhesive or the like. Connector 223 extends through base 221 and bellows 222 from below to above, and the upper end of connector 223 is connected to the upper end of bellows 222 by means of glue or the like.
The connector 223 includes a hollow connecting seat 2231 and a connecting body 2232 disposed on the connecting seat 2231, wherein the connecting seat 2231 is located in the base 221, and the connecting body 2232 is located in the extension tube 222. The inner side wall of the connecting seat 2231 is provided with an internal thread 2233, and the bottom thereof may be flush with the bottom of the base 221. The upper end of connecting body 2232 is connected to the upper end of bellows 222.
The base 221 has a first side groove 2211 formed in a circumferential wall thereof, the first side groove 2211 penetrates through the inner side and the outer side of the circumferential wall of the base 221, and the first side groove 2211 extends for a certain distance along the circumferential direction of the base 221. The circumferential wall of the base 221 is further formed with a second side groove 2212, and the second side groove 2212 penetrates through the inner side and the outer side of the circumferential wall of the base 221 and also penetrates through the bottom surface of the base 221. The second side groove 2212 extends a distance along the circumferential direction of the base 221, and has a smaller size in the circumferential direction than the first side groove 2211. In the present embodiment, the first side groove 2211 and the second side groove 2212 respectively have two symmetrical in the circumferential direction.
The coupling seat 2231 of the connector 223 is provided with a protrusion 2234 at an outer side of a peripheral wall thereof, and the protrusion 2234 is inserted into the first side groove 2211 from an inner side of the base 221 to an outer side. The height of the prongs 2234 is not greater than the first side groove 2211 and the circumferential dimension is not greater than the second side groove 2212, so that the prongs 2234 can rotate within the first side groove 2211 when the connector 223 is rotated relative to the base 221 (the direction of rotation is horizontal) and can be disengaged from the base 221 by pulling the connector 223 downward through the second side groove 2212 when rotated to a position corresponding to the second side groove 2212.
When the oil collecting structure is in the oil collecting state, the extension tube 222 is located in the oil cup 21, is higher than the bottom surface of the oil cup 21, is normally higher than the liquid level of the oil cup 21, and is in the stretching state. Connector 223 can be made of magnetic material, so that the bottom of connector 223 can be kept flush with the bottom of base 221 under the action of magnetic force, and connector 223 can support extension tube 222, so that waste oil in oil cup 21 can be prevented from flowing out through extension tube 222. A level detection device may be provided in oil cup 21 to alert the user to clean in time when a warning line is exceeded (which is no higher than bellows 222).
Referring to fig. 7 to 10, when the oil in the oil cup 21 needs to be cleaned, the oil is collected by a waste oil collecting container 100 (which may be a common discarded beverage bottle or mineral water bottle, etc., with a screw pitch of 3mm, and an outer diameter of a common bottle mouth of about 25mm, 28mm, and 36 mm). The mouth of the waste oil collection container 100 has external threads 101 and, in use, the mouth of the waste oil collection container 100 is aligned with the connector 223 and the internal threads 2233 of the connector 223 mate with the external threads 101 of the mouth. When the waste oil collecting container 100 is screwed in, the upper surfaces of the convex claws 2234 of the connector 223 are in contact with the upper surfaces of the first side grooves 2211 of the base 221, so that the first side grooves 2211 of the base 221 limit the convex claws 2234 of the connector 223, and the connector 223 cannot always rotate along with the waste oil collecting container 100 in the screwing-in process, so that the waste oil collecting container 100 can be smoothly screwed in the connector 223. After the waste oil collecting container 100 is screwed in, the connector 223 is driven to rotate together in the opposite direction, the convex claw 2234 of the connector 223 rotates in the opposite direction to be aligned with the second side groove 2212 of the base 221, the connector 223 moves out of the base 221 in the downward direction, the connector 223 drives the upper end of the extension tube 222 to deform and move downward together, when the upper end of the extension tube 222 is compressed below the liquid level of the waste oil in the downward direction, the upper end of the connector 223 also moves below the liquid level of the waste oil, the waste oil flows into the waste oil collecting container 100 along the connector 223, the height of the extension tube 222 can be reduced below the inner bottom surface of the oil cup 21 (the position of the step part 212), and the extension tube 222 is in a compressed. After the waste oil in the oil cup 21 is collected, the claws 2234 of the connector 223 are aligned with the second side grooves 2212 of the base 221, the waste oil collection container 100 moves upwards to drive the connector 223, the connector 223 drives the upper end of the extension tube 222, after the connector 223 contacts the upper surface of the first side grooves 2211 of the base 221, the waste oil collection container 100 rotates along the unscrewing direction, after the waste oil collection container 100 is completely unscrewed, the connector 223 can be clamped in the first side grooves 2211 of the base 221, and the extension tube 222 obtains a certain height again, so that the waste oil cannot flow out of the oil cup. The waste oil collecting container 100 with the collected waste oil is screwed on a bottle cap and can be placed at a position capable of recycling garbage or waste oil, so that the waste oil of the range hood can be recycled.
With the oil collecting structure, the user only needs to screw the waste oil collecting container 100 into the connector 223 when discharging oil, and does not need to wait all the time, and the user can do other things during the period and can take down the waste oil after discharging the oil. In the oil extraction process, the waste oil in the waste oil collecting container 100 is increased, the downward pulling force generated on the oil cup 21 is increased, the downward bending degree in the middle of the oil cup 21 is increased due to the increase of the pulling force, the waste oil is concentrated in the middle of the oil cup 21, and the waste oil is discharged and drained. The oil discharge device 22 is designed to be convenient and quick to collect oil by the waste oil collecting container 100, and is inconvenient or even difficult to operate when other vessels are used for collecting oil, so that the design is favorable for people to change the habit of dumping waste oil before, and the habit of recovering waste oil is favorable for people.
Example two
Referring to fig. 11 to 14, in the present embodiment, the difference from the first embodiment is that the oil collecting body for collecting oil in the oil collecting structure is not a separate oil cup, but an oil collecting groove 21 ' formed by recessing the bottom of the inner side of the housing 1 downward, the oil collecting groove 21 ' also has a mounting hole 211 and a step 212 thereon, and the oil discharging device 22 is matched with the oil collecting groove 21 '.
The oil collecting groove 21' which is concave downwards and used for collecting waste oil is formed at the bottom of the inner side of the shell 1, so that the waste oil does not need to be collected by using the oil cup 21, the manufacturing cost is reduced, and the inconvenience caused by disassembling the oil cup 21 to pour the waste oil is avoided.
Claims (9)
1. The utility model provides an oil collecting structure, includes the open collection oil body in upper end and oil extraction device (22), its characterized in that: the oil discharge device (22) comprises an extension tube (222) arranged inside the oil collection body, the extension tube (222) is hollow, openings are formed in the upper end and the lower end of the extension tube (222), the oil discharge device (22) further comprises a connector (223) capable of pulling down the upper end of the extension tube (222) and compressing the extension tube so as to discharge waste oil in the oil collection body, and a mounting hole (211) for the connector (223) to penetrate through is formed in the bottom of the oil collection body.
2. An oil collecting structure according to claim 1, characterized in that: the lower end of the telescopic pipe (222) is fixed with the bottom of the oil collecting structure, and the upper end of the telescopic pipe is connected with the connector (223).
3. The oil collecting structure according to claim 1 or 2, characterized in that: the connector (223) extends into the telescopic pipe (222) from the outer side of the bottom of the oil collecting cup body, and the upper end of the connector (223) is connected with the upper end of the telescopic pipe (222).
4. An oil collecting structure according to claim 3, characterized in that: the oil discharge device (22) is characterized by further comprising a base (221) arranged on the outer side of the bottom of the oil collecting body, wherein the base (221) is hollow, the upper end and the lower end of the base are open, the connector (223) comprises a hollow connecting seat (2231) and a connecting body (2232), the hollow connecting seat (2231) is provided with an upper end and a lower end, the connecting body (2232) is arranged on the connecting seat (2231), the connecting seat (2231) is located in the base (221) and can rotate and lift relative to the base (221), the connecting body (2232) is located in the telescopic pipe (222), and the upper end of the connecting body (2232) is connected with the upper end of the telescopic.
5. An oil collecting structure according to claim 4, characterized in that: the inner side wall of the connecting seat (2231) is provided with an internal thread (2233) which can be matched with a waste oil collecting container (100) used for collecting waste oil in the oil collecting body.
6. An oil collecting structure according to claim 4, characterized in that: a first side groove (2211) is formed in the peripheral wall of the base (221), the first side groove (2211) penetrates through the inner side and the outer side of the peripheral wall of the base (221), and the first side groove (2211) extends for a certain distance along the circumferential direction of the base (221); a second side groove (2212) is further formed in the peripheral wall of the base (221), the second side groove (2212) penetrates through the inner side and the outer side of the peripheral wall of the base (221) and also penetrates through the bottom surface of the base (221), the second side groove (2212) extends for a certain distance along the circumferential direction of the base (221), and the size of the second side groove (2212) in the circumferential direction is smaller than that of the first side groove (2211); the connector (223) is characterized in that a convex claw (2234) is arranged on the outer side of the peripheral wall of a connecting seat (2231) of the connector (223), the convex claw (2234) is inserted into a first side groove (2211) from the inner side of a base (221) to the outside, the height of the convex claw (2234) is not larger than that of the first side groove (2211), and the size in the circumferential direction is not larger than that of a second side groove (2212), so that the convex claw (2234) can rotate in the first side groove (2211) and can pass through the second side groove (2212) to ascend and descend.
7. The oil collecting structure according to claim 1 or 2, characterized in that: the oil collecting body is provided with a step part (212) which is formed by downwards recessing the periphery of the mounting hole (211), and the lower end of the extension tube (222) is connected with the step part (212).
8. A range hood applying the oil collecting structure of any one of claims 1 to 7, comprising a shell (1), and characterized in that: the oil collecting body is an oil cup (21) arranged on the outer side of the bottom of the shell (1).
9. A range hood applying the oil collecting structure of any one of claims 1 to 7, comprising a shell (1), and characterized in that: the oil collecting body is an oil collecting groove (21') formed by downwards sinking the inner side of the bottom of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599337.4A CN111811006B (en) | 2020-06-28 | 2020-06-28 | Oil collecting structure and range hood with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599337.4A CN111811006B (en) | 2020-06-28 | 2020-06-28 | Oil collecting structure and range hood with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111811006A true CN111811006A (en) | 2020-10-23 |
| CN111811006B CN111811006B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010599337.4A Active CN111811006B (en) | 2020-06-28 | 2020-06-28 | Oil collecting structure and range hood with same |
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| Country | Link |
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| CN (1) | CN111811006B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11294818A (en) * | 1998-04-09 | 1999-10-29 | Mitsubishi Electric Corp | Partial scavenging ventilator |
| CN101709895A (en) * | 2009-12-05 | 2010-05-19 | 张英华 | Near-suction type oil smoke suction machine and matched oil smoke expelling device |
| CN204717790U (en) * | 2015-04-08 | 2015-10-21 | 王金海 | A kind of oil-collecting formula energy-conserving and environment-protective smoke exhaust ventilator |
| CN108435610A (en) * | 2018-03-28 | 2018-08-24 | 湖南文理学院 | A kind of automatic cleaning apparatus of range hood |
| CN208703989U (en) * | 2018-08-06 | 2019-04-05 | 沭阳县商业肉联厂 | Every the telescopic smoke pumping gas furnace of cover |
| CN111425900A (en) * | 2020-04-07 | 2020-07-17 | 宁波方太厨具有限公司 | Oil collecting structure and range hood applying same |
-
2020
- 2020-06-28 CN CN202010599337.4A patent/CN111811006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11294818A (en) * | 1998-04-09 | 1999-10-29 | Mitsubishi Electric Corp | Partial scavenging ventilator |
| CN101709895A (en) * | 2009-12-05 | 2010-05-19 | 张英华 | Near-suction type oil smoke suction machine and matched oil smoke expelling device |
| CN204717790U (en) * | 2015-04-08 | 2015-10-21 | 王金海 | A kind of oil-collecting formula energy-conserving and environment-protective smoke exhaust ventilator |
| CN108435610A (en) * | 2018-03-28 | 2018-08-24 | 湖南文理学院 | A kind of automatic cleaning apparatus of range hood |
| CN208703989U (en) * | 2018-08-06 | 2019-04-05 | 沭阳县商业肉联厂 | Every the telescopic smoke pumping gas furnace of cover |
| CN111425900A (en) * | 2020-04-07 | 2020-07-17 | 宁波方太厨具有限公司 | Oil collecting structure and range hood applying same |
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| Publication number | Publication date |
|---|---|
| CN111811006B (en) | 2024-05-14 |
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