CN111434998B - Oil smoke buffer mechanism for range hood - Google Patents
Oil smoke buffer mechanism for range hood Download PDFInfo
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- CN111434998B CN111434998B CN201910029984.9A CN201910029984A CN111434998B CN 111434998 B CN111434998 B CN 111434998B CN 201910029984 A CN201910029984 A CN 201910029984A CN 111434998 B CN111434998 B CN 111434998B
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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
Abstract
The invention relates to an oil smoke buffer mechanism for a range hood, which comprises a first check valve and an oil smoke buffer device, wherein the oil smoke buffer device comprises an auxiliary oil smoke channel, a second check valve and a pressure-sensitive actuating element, a third valve plate for opening or closing a second smoke inlet of the auxiliary oil smoke channel and a driving mechanism for driving the third valve plate to move relative to the second smoke inlet are also arranged in the auxiliary oil smoke channel, the power input end of the driving mechanism is connected with the pressure-sensitive actuating element, and the power output end of the driving mechanism is connected with the third valve plate. The invention has the advantages that: when the main oil smoke channel is blocked, the oil smoke can enter the auxiliary oil smoke channel and is temporarily stored in the auxiliary oil smoke channel, and the second valve plate is opened when the oil smoke pressure in the auxiliary oil smoke channel is accumulated to a certain degree, so that the oil smoke is discharged into the public flue, and even if the main oil smoke channel is blocked, the oil smoke can be discharged through the auxiliary oil smoke channel.
Description
Technical Field
The invention relates to the technical field of range hoods, in particular to an oil smoke buffer mechanism for a range hood.
Background
The oil smoke exhaust outlet of each household kitchen of the resident of the existing building is communicated with a smoke exhaust channel which is communicated up and down, and in order to prevent the oil smoke in the smoke exhaust channel from flowing back into the kitchen, a mechanism like a flue check valve is arranged between the air outlet pipe orifice of the smoke exhaust ventilator and a public flue.
The existing flue check valve generally comprises an oil smoke channel formed by a shell, the oil smoke channel is provided with an air inlet and an air outlet which are opposite, the air inlet is connected with an air outlet pipe orifice of the range hood, the air outlet extends into a public flue gas channel, an openable valve plate is arranged at the air outlet of the oil smoke channel, the check valve is a one-way valve, and the normal opening of the valve plate of the existing check valve depends on the pressure of air flow blown out by the range hood.
Once a gap is formed between the valve plate and the valve body, when the pressure in the common flue is higher and the user floor is higher, the oil smoke in the common flue can enter a smoke pipe of an indoor oil smoke machine through the gap, so that the oil smoke in the smoke machine under the non-working state flows backwards, and the oil smoke in a kitchen and the peculiar smell are generated; meanwhile, the range hood is in a normal working state, the oil smoke resistance in the common flue is large, namely under the condition that the oil smoke pressure in the common flue is larger than the pressure in the smoke pipe, at the moment, the exhaust of the range hood is blocked, the situation that the oil smoke flows backwards is very easy to generate, in the using process of the range hood in the peak period, the situation that the exhaust is blocked is more serious, and the exhaust of the range hood and the oil smoke flowing backwards form vortex in the smoke pipe, so that the noise in the smoke pipe is increased, meanwhile, the valve plate can swing unstably easily, the oil smoke exhaust in the peak period is influenced, and the exhaust resistance and the noise are increased.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a lampblack buffer mechanism for a range hood, which can discharge lampblack through an auxiliary lampblack channel even if the main lampblack channel is blocked from discharging lampblack.
The second technical problem to be solved by the present invention is to provide a lampblack buffering mechanism which increases the space for buffering lampblack and can delay the lampblack from entering the room through the range hood even when the lampblack flows backward.
The third technical problem to be solved by the invention is to provide a lampblack buffer mechanism for increasing a lampblack buffer space in oil of an auxiliary lampblack channel.
The fourth technical problem to be solved by the invention is to provide an oil fume buffering mechanism which can clean accumulated oil in time.
The third technical problem to be solved by the present invention is to provide a lampblack buffering mechanism for a range hood, which can automatically control the opening or closing of the smoke inlet of the auxiliary lampblack channel, so as to achieve the purpose of buffering the back-flowing lampblack.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a fume buffering mechanism for fume exhauster is composed of
The first check valve comprises a first valve body and a first valve plate, wherein,
the first valve body is provided with a first smoke exhaust channel, the first smoke exhaust channel is provided with a first air inlet which is used for being in fluid communication with an air outlet of the range hood and a first air outlet which is used for being in fluid communication with a first inlet of the common flue, and the first valve plate is arranged on the first smoke exhaust channel and can rotate relative to the first valve body so as to open or block the first smoke exhaust channel;
the method is characterized in that: also comprises
The oil smoke buffer device is arranged between an air outlet of the range hood and a first air inlet of the first valve body and is provided with a main oil smoke channel, the main oil smoke channel is provided with a first smoke inlet and a first smoke outlet which are communicated, the first smoke inlet is used for being communicated with the air outlet of the range hood in a fluid mode, and the first smoke outlet is communicated with the first air inlet of the first valve body in a fluid mode; a first opening is formed in the side wall of the main oil smoke channel;
the auxiliary oil smoke channel is provided with a second smoke inlet communicated with the first opening of the main oil smoke channel and a second smoke outlet communicated with a second inlet of the public flue in a fluid mode;
the second check valve comprises a second valve body and a second valve plate, the second valve body is provided with a second smoke exhaust channel, and the second smoke exhaust channel is provided with a second air inlet and a second air outlet, wherein the second air inlet is used for being in fluid communication with a second smoke inlet of the auxiliary smoke channel, and the second air outlet is used for being in fluid communication with a second inlet of the common flue;
the auxiliary oil smoke channel is also internally provided with a third valve plate for opening or closing the second smoke inlet and a driving mechanism for driving the third valve plate to move relative to the second smoke inlet;
and the pressure-sensitive actuating element is arranged in the main oil smoke channel and can act when the air pressure in the channel is high to a certain degree, the power input end of the driving mechanism is connected with the pressure-sensitive actuating element, and the power output end of the driving mechanism is connected with the third valve plate.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the pressure-sensitive actuating element is an elastic membrane covering a small hole on the side wall of the main oil smoke channel, and the pressure-sensitive actuating element is one of the adoption modes of the pressure-sensitive actuating element.
The second setting mode of the pressure sensitive actuating piece: the main oil smoke channel is provided with the first smoke inlet and the first smoke outlet in the longitudinal direction, the partial side wall of the main oil smoke channel transversely extends outwards to form an auxiliary cavity, and the pressure-sensitive actuating part is a piston which is transversely arranged in the auxiliary cavity in an inward-outward sliding mode.
In order to automatically control the opening and closing of the auxiliary oil smoke channel according to the oil smoke pressure in the main oil smoke channel, the arrangement forms of the driving mechanism are various, the pressure-sensitive actuating element and the auxiliary oil smoke channel are arranged at the same side, and the driving mechanism comprises
The first end of the connecting rod support is arranged on the inner side wall of the main oil smoke channel, is arranged at the same side as the pressure-sensitive actuating piece and is positioned between the pressure-sensitive actuating piece and the auxiliary oil smoke channel;
the first connecting rod is rotatably connected to the second end of the connecting rod support at a position close to the middle;
a second connecting rod, the first end of which is rotatably connected with the first end of the first connecting rod, and the second connecting rod is fixed relative to the pressure-sensitive actuating piece at a position close to the second end of the second connecting rod;
and the first end of the third connecting rod is rotatably connected with the second end of the first connecting rod, and the second end of the third connecting rod is relatively and fixedly connected with the third valve plate. The work of the auxiliary oil smoke channel can be controlled according to the oil smoke pressure in the main oil smoke channel, and the operation is more reasonable.
In order to increase the driving force when the third valve plate is closed, the lampblack buffering device also comprises an elastic piece which always enables the third valve plate to move towards the second smoke inlet so as to enable the third valve plate to close the second smoke inlet. The third valve plate can return to the second smoke inlet for closing the auxiliary smoke channel by the aid of the elastic piece. In addition, when the pressure-sensitive actuating element adopts an elastic membrane, the main smoke channel is provided with a cover body at the outer side of the elastic membrane, the elastic element is a spring arranged between the elastic membrane and the cover body, the first end of the spring is connected with the inner side wall of the cover body, and the second end of the spring is sleeved on the second end of the second connecting rod exposed outside the elastic membrane; when the pressure-sensitive actuating piece is in a piston form, the elastic piece is a spring arranged between the outer wall of the piston and the inner wall of the auxiliary cavity, the first end of the spring is abutted against the inner wall of the auxiliary cavity, and the second end of the spring is abutted against the outer wall of the piston.
In order to fix the elastic membrane, a second opening is formed in the main lampblack channel, the second opening is the small hole, a cover body is arranged on the outer side of the elastic membrane of the main lampblack channel, the elastic membrane is pressed at the second opening by the cover body, and the peripheral edge of the elastic membrane is in sealing connection with the peripheral wall of the second opening through a sealing element.
The technical scheme adopted by the invention for solving the third technical problem is as follows: the auxiliary oil smoke channel at least comprises a first section channel and a second section channel which are sequentially connected and have gradually increasing calibers, the smoke inlet end of the first section channel is connected with the main oil smoke channel, and the smoke outlet end of the second section channel is in fluid communication with the second inlet of the common flue. The oil smoke entering the auxiliary oil smoke channel is subjected to pressure buffering, and can be stored through the auxiliary oil smoke channel and discharged through the auxiliary oil smoke channel when the main oil smoke channel is blocked in smoke discharge.
The technical scheme adopted by the invention for solving the fourth technical problem is as follows: the main lampblack channel is provided with a detachable oil collecting cover at a position close to the bottom.
Compared with the prior art, the invention has the advantages that: the main oil smoke channel of the oil smoke buffer mechanism for the range hood is provided with an auxiliary oil smoke channel, the auxiliary oil smoke channel is also internally provided with a third valve plate for opening or closing a second smoke inlet of the auxiliary oil smoke channel and a driving mechanism for driving the third valve plate to move relative to the second smoke inlet, when the main oil smoke channel is blocked to exhaust smoke, the oil smoke can enter the auxiliary oil smoke channel and be temporarily stored in the auxiliary oil smoke channel, and when the oil smoke pressure in the auxiliary oil smoke channel is accumulated to a certain degree, the second valve plate of the second check valve is opened, so that the oil smoke is discharged into a common flue, and even if the main oil smoke channel is blocked to exhaust smoke, the oil smoke can be discharged through the auxiliary oil smoke channel; meanwhile, even when the oil smoke flows backwards, the auxiliary oil smoke channel can temporarily store the oil smoke and delay the backward flowing oil smoke from entering the room through the range hood; in addition, the opening and closing of the auxiliary oil smoke channel can be automatically controlled according to the oil smoke pressure in the main oil smoke channel, namely the opening and closing of the auxiliary oil smoke channel are controlled according to the oil smoke pressure in the main oil smoke channel in real time, the reliability is good, and the smoke is conveniently discharged; in addition, the eddy in the main oil smoke channel can be reduced, and the noise is reduced.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
fig. 2 is a partial structural schematic view (the second smoke inlet is in an open state) of the first embodiment of the invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a sectional view of a part of the structure of the embodiment of the present invention (the second smoke inlet is in a closed state);
FIG. 6 is an enlarged view of the portion B of FIG. 5;
FIG. 7 is a schematic view of a portion of the structure of FIG. 2;
FIG. 8 is a schematic perspective exploded view of FIG. 7;
fig. 9 is a sectional view of a part of the structure of the second embodiment of the present invention (the second smoke inlet is in an open state);
FIG. 10 is a schematic view of the structure of the portion C in FIG. 9;
fig. 11 is a sectional view of a part of the structure of the second embodiment of the present invention (the second smoke inlet is in a closed state);
fig. 12 is a schematic structural view of a portion D in fig. 11.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The first embodiment is as follows:
as shown in fig. 1 to 8, a first preferred embodiment of the present invention is shown. The lampblack buffering mechanism for the range hood of the embodiment comprises a first check valve 4, a lampblack buffering device 3, an auxiliary lampblack channel 33, a second check valve 34, a third valve plate 334, a pressure-sensitive actuating piece and an elastic piece 615, wherein,
the first check valve 4 of the embodiment includes a first valve body 41 and a first valve plate 42, the first valve body 41 has a first smoke exhaust passage 411, the first smoke exhaust passage 411 has a first air inlet 4111 for fluid communication with an air outlet of the range hood 1 and a first air outlet 4112 for fluid communication with the first inlet 21 of the common flue 2, and the first valve plate 42 is disposed on the first smoke exhaust passage 411 and can rotate relative to the first valve body 41 to open or block the first smoke exhaust passage 411.
The lampblack buffer device 3 is arranged between an air outlet of the range hood 1 and the first air inlet 4111 of the first valve body 41, and is provided with a main lampblack channel 31, the main lampblack channel 31 is provided with a first smoke inlet 311 and a first smoke outlet 312 which are communicated in the longitudinal direction, the first smoke inlet 311 is used for being in fluid communication with the air outlet of the range hood 1, and the first smoke outlet 312 is in fluid communication with the first air inlet 4111 of the first valve body 41; moreover, a first opening 313 is arranged on the side wall of the main oil smoke channel 31;
the secondary flue gas channel 33 has a second inlet 3311 for communicating with the first opening 313 of the main flue gas channel and a second outlet 3312 for fluidly communicating with the second inlet 22 of the common flue 2; a second check valve 34 is disposed at the second inlet 22 of the common flue, the second check valve 34 includes a second valve body 341 and a second valve piece 342, the second valve body 341 has a second smoke exhaust passage 3411, and the second smoke exhaust passage 3411 has a second air inlet 34111 for fluid communication with the second smoke inlet 3311 of the sub-smoke passage 33 and a second air outlet 34112 for fluid communication with the second inlet 22 of the common flue 2.
The sub-oil smoke channel 33 at least comprises a first section channel 331 and a second section channel 332 which are connected in sequence and have gradually increasing calibers, the smoke inlet end of the first section channel 331 is connected with the first opening 313 of the main oil smoke channel 31 and is communicated with the first opening 313 in a fluid mode, and the smoke outlet end of the second section channel 332 is communicated with the second inlet 22 of the common flue 2 in a fluid mode. In this embodiment, the sub-lampblack channel 33 includes a first section of channel 331, a second section of channel 332 and a third section of channel 333 which are connected in sequence and have gradually increasing calibers; in addition, a third valve plate 334 for opening or closing the second smoke inlet 3311 and a driving mechanism 61 for driving the third valve plate 334 to move relative to the second smoke inlet 3311 are disposed in the sub-range hood 33.
The pressure sensitive actuator is arranged in the main flue gas channel 31 and is capable of acting when the pressure in the main flue gas channel is high to a degree that the pressure in the channel is higher than the pressure in the common flue, which degree is 10% or 20% higher depending on the needs of different consumers or the standards of different regions (countries). The pressure sensitive actuating element of this embodiment is an elastic membrane 32 covering the small hole on the side wall of the main smoke channel 31, the pressure sensitive actuating element is arranged on the same side as the auxiliary smoke channel 33, the pressure sensitive actuating element is connected with the power input end of the driving mechanism 61, the power output end of the driving mechanism 61 is connected with the third valve plate 334, that is, the pressure sensitive actuating element transmits power to the driving mechanism 61, thereby opening or closing the second smoke inlet.
The driving mechanism 61 of this embodiment includes a connecting rod support 611, a first connecting rod 612, a second connecting rod 613 and a third connecting rod 614, wherein the first end of the connecting rod support 611 is disposed on the inner sidewall of the main soot channel 31, is disposed on the same side as the pressure-sensitive actuator, and is located between the pressure-sensitive actuator and the auxiliary soot channel 33; the first link 612 is rotatably connected to the second end of the link support 611 at a position adjacent to the middle; the first end of the second link 613 is rotatably connected to the first end of the first link 612, and the position of the second link 613 near the second end thereof is fixed to the elastic film 32, in this embodiment, two position-limiting pieces 6131 are disposed at the position of the second end of the second link 613, the elastic film 32 is sandwiched between the two position-limiting pieces, and the second end of the second link 613 extends outward in the transverse direction to the outside of the elastic film 32; a first end of the third link 614 is pivotally connected to a second end of the first link 612, and a second end of the third link 614 is fixedly connected to the third flap 334. In addition, the elastic member 615 acts on the driving mechanism and always tends to move the third valve plate 334 toward the second smoke inlet 3311 so that the third valve plate 334 closes the second smoke inlet 3311.
The main oil smoke channel 31 is provided with a cover 37 at the outer side of the elastic membrane 32, specifically, the main oil smoke channel 31 is provided with a second opening 314, the second opening 314 is the above-mentioned small hole, the cover 37 presses the elastic membrane 32 at the second opening 314, and the peripheral edge of the elastic membrane 32 and the peripheral wall of the second opening 314 form a sealing connection through a sealing member 38. The elastic element 615 is a spring disposed between the elastic film 32 and the cover 37, a first end of the spring is connected to an inner sidewall of the cover 37, and a second end of the spring is sleeved on a second end of the second connecting rod 613 exposed outside the elastic film 32 and abuts against the limit tab 6131 exposed outside the elastic film 32. Further, the lid 37 is provided with a relief hole.
In order to conveniently treat the accumulated oil in the buffer device, the detachable oil collecting cover 315 is arranged on the main oil smoke channel 31 at a position close to the bottom of the main oil smoke channel, and when the accumulated oil needs to be cleaned, the accumulated oil on the oil collecting cover only needs to be cleaned.
Example two:
as shown in fig. 9 to 12, a second preferred embodiment of the present invention is shown. This embodiment differs from the first embodiment described above in that: the pressure-sensitive actuating member is different from that of the pressure-sensitive actuating member, specifically, the main smoke passage 31 has a first smoke inlet 311 and a first smoke outlet 312 which are communicated with each other in the longitudinal direction, a partial side wall of the main smoke passage 31 extends transversely outward to form an auxiliary cavity 35, the pressure-sensitive actuating member is a piston 351 which is arranged in the auxiliary cavity 35 in a sliding manner in the transverse direction, and an elastic member 651 is arranged in a chamber enclosed between the outer side wall of the piston 351 and the inner wall of the auxiliary cavity, and the elastic member 651 always has a tendency of moving the third valve plate 334 towards the second smoke inlet 3311 to close the second smoke inlet 3311.
An air pump 36 for inflating or deflating the chamber 300 enclosed by the inner wall of the auxiliary chamber 35 and the outer wall of the piston 351 is disposed on the outer side wall of the auxiliary chamber 35, and a sensor 37 for sensing the pressure in the chamber 300 is disposed on the outer side wall of the auxiliary chamber 35. The pressure in the chamber 300 increases, and the sensor 37 detects the pressure fluctuation in the chamber 300, and then the pressure is fed back to the controller to control the air pump 36 to discharge the air in the chamber 300; piston 351 transversely outwards moves until piston 351's the biggest stroke or the gas pressure that the sensor detected no longer increase, and the volume of main oil smoke passageway increases this moment to carry out pressure buffering to the oil smoke, realize the purpose of step-down and fall the noise. In order to discharge the air in the cavity, a pressure relief hole can be formed in the side wall of the auxiliary cavity 35, the air pump is replaced by the pressure relief hole, and the auxiliary cavity can be arranged in various modes as long as the purpose of discharging the air is achieved.
Claims (8)
1. A fume buffering mechanism for fume exhauster is composed of
A first non return valve (4) comprising a first valve body (41) and a first valve plate (42), wherein,
the first valve body (41) is provided with a first smoke exhaust channel (411), the first smoke exhaust channel (411) is provided with a first air inlet (4111) used for being in fluid communication with an air outlet of the range hood (1) and a first air outlet (4112) used for being in fluid communication with a first inlet (21) of the common flue (2), and the first valve plate (42) is arranged on the first smoke exhaust channel (411) and can rotate relative to the first valve body (41) so as to open or block the first smoke exhaust channel (411);
the method is characterized in that: also comprises
The oil smoke buffering device (3) is arranged between an air outlet of the range hood (1) and a first air inlet (4111) of the first valve body (41), and is provided with a main oil smoke channel (31), the main oil smoke channel (31) is provided with a first smoke inlet (311) and a first smoke outlet (312) which are communicated, the first smoke inlet (311) is used for being in fluid communication with the air outlet of the range hood (1), and the first smoke outlet (312) is in fluid communication with the first air inlet (4111) of the first valve body (41); a first opening (313) is formed in the side wall of the main oil smoke channel (31);
a secondary cooking fume passage (33) having a second fume inlet (3311) for communicating with the first opening (313) of the primary cooking fume passage and a second fume outlet (3312) for fluid communication with the second inlet (22) of the common flue (2);
a second check valve (34) comprising a second valve body (341) and a second valve plate (342), wherein the second valve body (341) is provided with a second smoke exhaust channel (3411), and the second smoke exhaust channel (3411) is provided with a second air inlet (34111) used for being in fluid communication with a second smoke inlet (3311) of the secondary smoke exhaust channel (33) and a second air outlet (34112) used for being in fluid communication with a second inlet (22) of the common flue (2);
the auxiliary oil smoke channel (33) is also internally provided with a third valve plate (334) for opening or closing the second smoke inlet (3311) and a driving mechanism (61) for driving the third valve plate (334) to move relative to the second smoke inlet (3311);
and the pressure-sensitive actuating element is arranged in the main oil smoke channel (31) and can generate action when the air pressure in the channel is high to a certain degree, the power input end of the driving mechanism (61) is connected with the pressure-sensitive actuating element, and the power output end of the driving mechanism (61) is connected with the third valve plate (334).
2. The lampblack absorber mechanism for a range hood according to claim 1, characterized in that: the pressure-sensitive actuating element is an elastic membrane (32) which covers the small hole on the side wall of the main oil smoke channel (31).
3. The lampblack absorber mechanism for a range hood according to claim 1, characterized in that: the main oil smoke channel (31) is provided with the first smoke inlet (311) and the first smoke outlet (312) in the longitudinal direction, partial side walls of the main oil smoke channel (31) extend outwards transversely to form an auxiliary cavity (35), and the pressure-sensitive actuating member is a piston (351) which is arranged in the auxiliary cavity (35) in a sliding mode along the inner side and the outer side in the transverse direction.
4. The lampblack absorber mechanism for a range hood according to any one of claims 1 to 3, wherein: the pressure-sensitive actuating piece and the auxiliary oil smoke channel (33) are arranged at the same side, and the driving mechanism (61) comprises
A connecting rod support (611) with a first end arranged on the inner side wall of the main oil smoke channel (31), arranged at the same side of the pressure sensitive actuating piece and positioned between the pressure sensitive actuating piece and the auxiliary oil smoke channel (33);
a first link (612) pivotally connected to a second end of the link support (611) adjacent an intermediate location;
a second link (613) having a first end pivotally connected to the first end of the first link (612), the second link (613) being fixed relative to the pressure sensitive actuator at a position adjacent to the second end thereof;
and a first end of the third connecting rod (614) is rotatably connected with a second end of the first connecting rod (612), and a second end of the third connecting rod is relatively fixedly connected with the third valve plate (334).
5. The lampblack absorber mechanism for a range hood according to claim 4, characterized in that: the oil smoke buffering device also comprises an elastic part (615) which always enables the third valve plate (334) to move towards the second smoke inlet (3311) so as to enable the third valve plate (334) to close the second smoke inlet (3311).
6. The lampblack absorber mechanism for a range hood according to claim 2, characterized in that: the main lampblack channel (31) is provided with a second opening (314), the second opening (314) is the small hole, the main lampblack channel (31) is provided with a cover body (37) on the outer side of the elastic membrane (32), the cover body (37) presses the elastic membrane (32) at the second opening (314), and the peripheral edge of the elastic membrane (32) is in sealing connection with the peripheral wall of the second opening (314) through a sealing piece (38).
7. The lampblack absorber mechanism for a range hood according to claim 1, characterized in that: the auxiliary oil smoke channel (33) at least comprises a first section channel (331) and a second section channel (332) which are sequentially connected and have gradually increasing calibers, the smoke inlet end of the first section channel (331) is connected with the main oil smoke channel (31), and the smoke outlet end of the second section channel (332) is in fluid communication with the second inlet (22) of the common flue (2).
8. The lampblack absorber mechanism for a range hood according to claim 1, characterized in that: the main oil smoke channel (31) is provided with a detachable oil collecting cover (315) at a position close to the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029984.9A CN111434998B (en) | 2019-01-11 | 2019-01-11 | Oil smoke buffer mechanism for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029984.9A CN111434998B (en) | 2019-01-11 | 2019-01-11 | Oil smoke buffer mechanism for range hood |
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| Publication Number | Publication Date |
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| CN111434998A CN111434998A (en) | 2020-07-21 |
| CN111434998B true CN111434998B (en) | 2022-05-17 |
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| CN201910029984.9A Active CN111434998B (en) | 2019-01-11 | 2019-01-11 | Oil smoke buffer mechanism for range hood |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH690376A5 (en) * | 1996-03-22 | 2000-08-15 | Ricardo Dr Bernasconi | Extractor device for cookers. |
| CN201014920Y (en) * | 2006-12-28 | 2008-01-30 | 中国铝业股份有限公司 | Rotary kiln negative pressure safety interlocking control system |
| CN101603607A (en) * | 2009-07-06 | 2009-12-16 | 宁波方太厨具有限公司 | A kind of external flue check valve |
| CN201680468U (en) * | 2010-01-20 | 2010-12-22 | 王运宏 | Environmental protection range hood |
| CN203582684U (en) * | 2013-11-29 | 2014-05-07 | 河北华通创新科技有限公司 | Glass kiln waste heat power generation flue gas and air system |
| CN107559907B (en) * | 2016-06-30 | 2020-01-17 | 博西华电器（江苏）有限公司 | Smoke exhaust ventilator |
| KR20180008060A (en) * | 2016-07-15 | 2018-01-24 | (주) 제이앤디테크 | Hood for exhaust gas purification |
| CN108266774A (en) * | 2018-04-11 | 2018-07-10 | 王祖军 | A kind of seperating cooker hood |
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