CN102901138A - Range hood with openable and closable air inlet - Google Patents
Range hood with openable and closable air inlet Download PDFInfo
- Publication number
- CN102901138A CN102901138A CN2012103558311A CN201210355831A CN102901138A CN 102901138 A CN102901138 A CN 102901138A CN 2012103558311 A CN2012103558311 A CN 2012103558311A CN 201210355831 A CN201210355831 A CN 201210355831A CN 102901138 A CN102901138 A CN 102901138A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- smoke barrier
- lampblack absorber
- rotating shaft
- air spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Air-Flow Control Members (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a range hood with an openable and closable air inlet. The range hood includes a shell, the front of which is provided with a panel facing a cooking bench and a user. The panel is provided with an air inlet, which is equipped with a smoke baffle plate matching with the air inlet in shape. The upper end of the smoke baffle plate is hinged to the upper end of the air inlet through a hinge shaft, and the smoke baffle plate can rotate around the hinge shaft. An air spring is arranged in the shell and the output end of the air spring is connected to the smoke baffle plate. The lower end of the smoke baffle plate and the lower end of the air inlet are provided with mutually matched locking equipment. The range hood can realize semi-automatic closure and opening of the smoke baffle plate, not only can prevent back flow of oil smoke and overflow of peculiar smell in the range hood, but also can prevent clamping stagnation or hand clamping and other risks caused by automatic opening and closing. Thus, the service life of the range hood is prolonged, and the range hood cost is reduced.
Description
Technical field
The present invention relates to a kind of lampblack absorber, particularly relate to a kind of air inlet lampblack absorber to be opened/closed.
Background technology
Existing close-suction range hood, generally include shell, blower fan system in the enclosure is set, shell comprises the side plate of both sides and is positioned at towards the panel of the kitchen range top and user's one side, panel is provided with air inlet, after connecting the power supply of blower fan system, the inlet scoop is discharged to common flue after oil smoke is sucked blower fan system.Most of close-suction range hoods now, its air inlet can't be closed, therefore having many dusts or small worm etc. enters into smoke exhaust ventilator inside, and the peculiar smell of lampblack absorber inside also can come out by air inlet, even common flue in oil smoke pour in down a chimney, for kitchen environment brings very bad impact.
Therefore, some air inlets lampblack absorber to be opened/closed has appearred, such as Chinese patent CN201757444U disclosed " a kind of smoke exhaust ventilator with movable air inlet ", the both sides of a direction symmetry of the air inlet place frame of this lampblack absorber are provided with some to circular hole, vaned rotating shaft is installed in the circular hole of described symmetry, blade can make along with the rotation of rotating shaft the air inlet sealing or open wide, when the free end of described blade rides over rotating shaft place that is adjacent, air inlet is in closed state, when rotating shaft band moving vane towards air inlet is inboard when rotating, air inlet is in opening-wide state.Such lampblack absorber as the air inlet baffle plate, is opened one group of blade when lampblack absorber is worked, close when not working, and plays to prevent that insect etc. from entering lampblack absorber and stoping the effect of emission of bad smell in the lampblack absorber.But the too simple poor-performing of the air inlet baffle plate of this spline structure, structure uses long afterwards, and blade is easy to incompetence or opens inentirely, and service life is very short.
And for example Chinese patent CN201866823U disclosed " a kind of lampblack absorber with movable fume guide mechanism " comprises housing, intelligent control unit, motor, air inlet, and the air inlet place is provided with collection cigarette panel, and housing is located in the end activity of this collection cigarette panel.Connecting rod; be movable rod that can be tortuous; one end of this connecting rod is located at collection cigarette panel; the other end is connected with a variable transmission mechanism; although such lampblack absorber can prevent the return air taint of odour; protected kitchen environment; and make collection cigarette panel closure make more attractive in appearance and convenient cleaning of lampblack absorber; but such collection cigarette panel is controlled rotation by motor and movable rod, and complex structure is higher to requirement on machining accuracy; if precision is inadequate; may cause collecting the cigarette panel and can't close or open not enough situation fully, driven by motor is so that the closing and open to understand and can't eliminate with certain noise of this collection cigarette panel, and the collection cigarette panel of full-automatic open-close; not only cost is high; the clamping stagnation that causes if there is foreign matter in moving process easily damages, and service life is shorter.
Summary of the invention
Technical problem to be solved by this invention provides a kind of simple in structure, stable performance, can carry out to air inlet the lampblack absorber of semi-automatic opening and closing operations.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of have a lampblack absorber that can open and close air inlet, the housing that comprises lampblack absorber, be positioned at the air-out mouth mask of housing top and the blower fan system that is positioned at housing, the front side of described housing has a panel towards the kitchen range top and user, described panel is provided with air inlet, described air inlet is provided with the smoke barrier that the shape with air inlet is complementary, it is characterized in that: the upper end of described smoke barrier is hinged on the upper end of air inlet by hinge and can rotates around this hinge, one air spring is located in the described housing and the output of described air spring is connected to this smoke barrier, and the lower end of described smoke barrier and the lower end of air inlet are provided with the locking device of mutual coupling.
As an embodiment of this invention, the output of described air spring is connected to an end of a rotating shaft, and the other end of described rotating shaft is connected to this smoke barrier, and this other end is this hinge.
As another embodiment of this invention, the output of described air spring is connected to an end of a rotating shaft, and the other end of described rotating shaft is connected to this smoke barrier, and the centre of this rotating shaft is connected to this panel and is the hinge of this smoke barrier.
In order to make described smoke barrier stressed less not yielding in rotation process, the center of rotation of described air spring and the center of rotation of described rotating shaft, when this smoke barrier is closed and the hinge of this smoke barrier be successively a straight line.
Preferably, the end with respect to output of described air spring is fixed in by a support on the top medial surface of air inlet of described panel.
Preferably, the tie point of described air spring and panel is the center of rotation of this air spring, and the output shaft of described air spring and the tie point of this rotating shaft are the center of rotation of this rotating shaft.
Preferably, described rotating shaft is an arc-shaped part.
Described locking device comprises the armature that is positioned at described smoke barrier lower end and the magnechuck that is positioned on the relevant position, described air inlet lower end.
Preferably, for the ease of user's control, also be provided with the gauge tap of this magnechuck adhesive of control on the described housing.
Compared with prior art, the invention has the advantages that such lampblack absorber opens and support smoke barrier at its open position by air spring control smoke barrier, and the locking device by the smoke barrier lower end locks smoke barrier in its closed position, that can semi-automatically carry out smoke barrier closes and opens work, pouring in down a chimney of oil smoke and overflowing of the interior peculiar smell of lampblack absorber both can have been prevented, also can prevent the danger such as clamping stagnation that automatic open-close causes or tong, improve the cost that has reduced lampblack absorber service life of lampblack absorber.
Description of drawings
Fig. 1 is the side view (air inlet closed condition) of lampblack absorber of the present invention.
Fig. 2 is the side view (air inlet open mode) of lampblack absorber of the present invention.
Fig. 3 is the phantom of the lampblack absorber of the another kind of embodiment of the present invention.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
Lampblack absorber of the present invention as shown in Figure 1, 2, comprises a housing 1, and the blower fan system 13 that is positioned at housing 1 inside, and is positioned at the air-out mouth mask 12 that housing 1 top upwards is communicated to common flue.The front side of this housing 1 also is provided with the panel 11 towards the kitchen range top and user.
This panel 11 is provided with an air inlet 2, and described air inlet 2 is provided with the air inlet size and is complementary, is hinged on the air inlet 2 smoke barrier 3 that can open or close with respect to air inlet 2 upsets.When smoke barrier 3 is opened, air in the blower fan system 13 suction kitchens also arrives common flue or outdoor by air-out mouth mask 12 with oil smoke discharge, and simultaneously smoke barrier 3 can stop portions the oil smoke of dissipation before the panel, oil smoke led make more that the heavy wool cigarette enters air inlet 2, reduce the user and suck oil smoke, make smoke pumping efficient higher, kitchen environment is also better.
The upper end of described smoke barrier 3 is hinged on the upper end of air inlet 2 by a hinge 31, the lower end of described smoke barrier 3 is provided with armature 4, the lower end of described air inlet 2 and this armature 4 corresponding positions are provided with magnechuck 5, described armature 4 matches with magnechuck 5, smoke barrier 3 is around this air inlet 2 of hinge 31 Unscrews of its upper end, perhaps when smoke barrier 3 rotates to air inlet 2, armature 4 and magnechuck 5 mutual adhesives are fixed on the air inlet 2 smoke barrier 3 so that air inlet is closed.The operation principle of magnechuck 5 is: its inside is made of electromagnet and coil, and off-position has suction, and the "on" position coil produces the magnetic field opposite with electromagnet, makes magnechuck 5 without suction.So, magnechuck 5 have when not switching on suction can with armature 4 phase adhesives, state keeps closing the door; Press gauge tap 8 control magnechucks 5 energisings on the lampblack absorber, magnechuck 5 energisings discharge armature 4, open air inlet 2 under the action of gravitation of air spring and smoke barrier 3 self, and lampblack absorber enters duty.And those skilled in the art also can recognize, not necessarily will adopt such as the match locking device of form of armature 4 and magnechuck 5, also the lower end that other forms of locking device locks smoke barrier 3 and air inlet 2 can be set.
And panel 11 medial surfaces above this air inlet 2 are fixed with air spring 6, one end of this air spring 6 is fixed on the panel 11 by a support 61, air spring 6 tie point A point on this end and panel 11 when motion rotates, the other end of air spring 6 is the end that output is hinged to a rotating shaft 7, the other end of rotating shaft 7 is hinged on the hinge 31 of these smoke barrier 3 upper ends, rotating shaft 7 is done the time spent stressed, tie point around itself and air spring 6 is that the B point rotates among Fig. 1, and this hinge 31 is the center of rotation of smoke barrier 3.Air spring 6 is in compressive state when smoke barrier 3 is closed, therefore, when smoke barrier 3 need to be opened, as long as unclamp the locking device of smoke barrier 3 belows, it is above-mentioned magnechuck 5, then smoke barrier 3 can swing to smoke barrier 3 position that needs because the gravity of himself and the thrust of air spring 6 are opened, and air spring 6 can support the position that smoke barrier 3 is being opened.When this smoke barrier 3 is closed, the center of rotation hinge 31 of the center of rotation A point of this air spring 6, the center of rotation B point of rotating shaft 7 and smoke barrier should be positioned on the straight line, moment of torsion is zero like this, and moment of torsion is minimum to be in order to make in closed condition and the closing process smoke barrier not yielding.And actual product is when producing, 3 of possibilities differ and keep surely a straight line, thereby smoke barrier 3 is arranged to close counterclockwise, the more clockwise moment of torsion of moment of torsion destroys less counterclockwise, therefore have a mind to make counterclockwise moment of torsion during design, so that this smoke barrier is all stressed less, not yielding when closing and open, increase its service life.
Preferably, as shown in Figure 1, 2, this rotating shaft 7 is an arc-shaped part, the other end of the two ends hinged hinge 31 of difference and air spring 6, and support 61 is fixed on the medial surface of panel 11.And those skilled in the art also can recognize, this air spring 6 is also not necessarily leaveed no choice but be fixed on the medial surface of panel 11, also can be fixed on other positions of lampblack absorber housing 1, but be fixed on the medial surface of panel 11, so that the operation of air spring 6 is more stable, can supports better smoke barrier 3 and be stuck in all angles.And rotating shaft 7 also not necessarily to leave no choice but be an arc-shaped part as shown in Figure 1, 2, the hinge around its upper end rotates as long as it can drive smoke barrier 3.And in some occasion, the other end of air spring 6 can directly drive smoke barrier 3 when its hinge 31 rotates, and also rotating shaft 7 can be set, the output of air spring 6 is connected directly to smoke barrier 3 also can.
Perhaps as shown in Figure 3, other structures and above-mentioned Fig. 1,2 identical, different is that this rotating shaft 7 ' is that irregularly shaped parts also can, one end of this rotating shaft 7 ' is connected to the output of air spring 6, this end is the center of rotation B point of rotating shaft 7 ', one end of below is connected to smoke barrier 3, and the mid portion of rotating shaft 7 ' is fixed on the hinge 31 that rotates for this smoke barrier 3 on the panel 11, and hinge 31 is not a point with the junction of this rotating shaft 7 ' and smoke barrier 3.And the hinge 31 of the center of rotation B of the center of rotation A of this air spring 6, rotating shaft 7 ' and smoke barrier 3 still is on the straight line when this smoke barrier 3 is closed.
The operation principle of the smoke barrier 3 of this lampblack absorber is as follows: when lampblack absorber smoke barrier 3 needs to open, pressing gauge tap 8 closes magnechuck 5 energisings and suction, this moment, smoke barrier 3 can be opened according to the gravity of himself and the thrust of air spring 6, then smoke barrier 3 is opened to certain position, and open the support of passing through air spring 6 after putting in place, smoke barrier 3 is positioned at open position, as shown in Figure 1.When smoke barrier 3 need to be closed, the user only needed hand rotation smoke barrier 3 to air inlet 2, and armature 4 meetings and magnechuck 5 mutual adhesives of smoke barrier 3 lower ends can be closed air inlet with smoke barrier 3, as shown in Figure 2.
And preferably, the peripheral position in these panel 11 enterprising air ports 2 is provided with a groove, and smoke barrier 3 is just in time filled up the position of this groove in closure, makes whole kitchen ventilator panel 11 more smooth, and outward appearance is more attractive in appearance, is more conducive to the user and uses and clean.
Those skilled in the art also can recognize, the number of air spring 6 and locking device can be set according to the size of smoke barrier 3 and air inlet 2, can above smoke barrier 3, an air spring be set the center, the air spring at a plurality of intervals perhaps is set above smoke barrier 3, also a locking device can be set in the lower end of smoke barrier 3, also a plurality of locking devices can be set, as long as can realize switching and the locking of smoke barrier 3.And such structure also can be applicable to close-suction range hood as shown in the figure, also can be used for the lampblack absorber of the other types such as European-style range hood.
Such lampblack absorber is made smoke barrier at its open position by air spring, and the locking device by the smoke barrier lower end locks smoke barrier in its closed position, that can semi-automatically carry out smoke barrier closes and opens work, pouring in down a chimney of oil smoke and overflowing of the interior peculiar smell of lampblack absorber both can have been prevented, also can prevent the danger such as clamping stagnation that automatic open-close causes or tong, improve the cost that has reduced lampblack absorber service life of lampblack absorber.
Although more than described the preferred embodiments of the present invention in detail, should be expressly understood that, for a person skilled in the art, the present invention can have various modifications and variations.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. one kind has the lampblack absorber that can open and close air inlet, the housing (1) that comprises lampblack absorber, be positioned at the air-out mouth mask (12) of housing (1) top and the blower fan system (13) that is positioned at housing (1), the front side of described housing (1) has a panel towards the kitchen range top and user (11), described panel (11) is provided with air inlet (2), described air inlet (2) is provided with the smoke barrier (3) that the shape with air inlet (2) is complementary, it is characterized in that: the upper end of described smoke barrier (3) is hinged on the upper end of air inlet (2) by hinge (31) and can rotates around this hinge (31), one air spring (6) is located in the described housing (1) and the output of described air spring (6) is connected to this smoke barrier (3), and the lower end of the lower end of described smoke barrier (3) and air inlet (2) is provided with the locking device of mutual coupling.
2. as claimed in claim 1 have a lampblack absorber that can open and close air inlet, it is characterized in that: the output of described air spring (6) is connected to an end of a rotating shaft (7), the other end of described rotating shaft (7) is connected to this smoke barrier (3), and this other end is this hinge (31).
3. as claimed in claim 1 have a lampblack absorber that can open and close air inlet, it is characterized in that: the output of described air spring (6) is connected to an end of a rotating shaft (7 '), the other end of described rotating shaft (7 ') is connected to this smoke barrier (3), and the centre of this rotating shaft (7 ') is connected to this panel (11) and is the hinge (31) of this smoke barrier (3).
4. has as claimed in claim 2 or claim 3 the lampblack absorber that can open and close air inlet, it is characterized in that: the center of rotation (A) of described air spring (6) and the center of rotation (B) of described rotating shaft, this smoke barrier (3) when closing and the hinge (31) of this smoke barrier (3) be successively a straight line.
5. as claimed in claim 4 have a lampblack absorber that can open and close air inlet, it is characterized in that: the end with respect to output of described air spring (6) is fixed in by a support (61) on the top medial surface of air inlet (2) of described panel (11).
6. as claimed in claim 5 have a lampblack absorber that can open and close air inlet, it is characterized in that: described air spring (6) is the center of rotation (A) of this air spring (6) with the tie point of panel (11), and the output shaft of described air spring (6) and the tie point of this rotating shaft are the center of rotation (B) of this rotating shaft.
7. as claimed in claim 2 have a lampblack absorber that can open and close air inlet, and it is characterized in that: described rotating shaft (7) is an arc-shaped part.
8. as claimed in claim 1 have a lampblack absorber that can open and close air inlet, it is characterized in that: described locking device comprises the armature (4) that is positioned at described smoke barrier (3) lower end and is positioned at magnechuck (5) on described air inlet (2) relevant position, lower end.
9. as claimed in claim 8 have a lampblack absorber that can open and close air inlet, it is characterized in that: the gauge tap (8) that also is provided with control this magnechuck (5) adhesive on the described housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210355831.1A CN102901138B (en) | 2012-09-21 | 2012-09-21 | Range hood with openable and closable air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210355831.1A CN102901138B (en) | 2012-09-21 | 2012-09-21 | Range hood with openable and closable air inlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102901138A true CN102901138A (en) | 2013-01-30 |
| CN102901138B CN102901138B (en) | 2015-05-20 |
Family
ID=47573520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210355831.1A Active CN102901138B (en) | 2012-09-21 | 2012-09-21 | Range hood with openable and closable air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102901138B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296218A (en) * | 2014-11-06 | 2015-01-21 | 胡波楹 | Range hood with odor removal device |
| CN106801903A (en) * | 2017-03-22 | 2017-06-06 | 广东美的厨房电器制造有限公司 | side-suction type range hood |
| CN106813283A (en) * | 2017-04-10 | 2017-06-09 | 珠海格力电器股份有限公司 | Opening and closing mechanism and range hood |
| CN108613234A (en) * | 2018-06-21 | 2018-10-02 | 广东万和电气有限公司 | A kind of smoke deflector automatic open-close mechanism and apply its side extraction cooking fume extractor |
| CN108644847A (en) * | 2018-07-19 | 2018-10-12 | 珠海格力电器股份有限公司 | Range hood with openable smoke baffle and control method thereof |
| CN110131773A (en) * | 2019-06-25 | 2019-08-16 | 杭州老板电器股份有限公司 | Driving device and kitchen ventilator |
| CN112161305A (en) * | 2019-09-27 | 2021-01-01 | 宁波方太厨具有限公司 | Fume exhaust fan |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3410749A1 (en) * | 1984-03-23 | 1985-09-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | COOKER HOOD |
| CN201202852Y (en) * | 2008-06-19 | 2009-03-04 | 毛育敏 | Electric check valve for cooking fume exhauster air outlet |
| CN102278781A (en) * | 2010-06-12 | 2011-12-14 | 许夏良 | Range hood with automatically opened and closed air inlet |
| CN102374566A (en) * | 2010-07-16 | 2012-03-14 | 伊莱克斯(杭州)家用电器有限公司 | Panel adjusting structure |
| CN202177151U (en) * | 2011-02-23 | 2012-03-28 | 美的集团有限公司 | Fume exhaust fan |
| CN202813529U (en) * | 2012-09-21 | 2013-03-20 | 宁波方太厨具有限公司 | Lampblack absorber with switchable air inlet |
-
2012
- 2012-09-21 CN CN201210355831.1A patent/CN102901138B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3410749A1 (en) * | 1984-03-23 | 1985-09-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | COOKER HOOD |
| CN201202852Y (en) * | 2008-06-19 | 2009-03-04 | 毛育敏 | Electric check valve for cooking fume exhauster air outlet |
| CN102278781A (en) * | 2010-06-12 | 2011-12-14 | 许夏良 | Range hood with automatically opened and closed air inlet |
| CN102374566A (en) * | 2010-07-16 | 2012-03-14 | 伊莱克斯(杭州)家用电器有限公司 | Panel adjusting structure |
| CN202177151U (en) * | 2011-02-23 | 2012-03-28 | 美的集团有限公司 | Fume exhaust fan |
| CN202813529U (en) * | 2012-09-21 | 2013-03-20 | 宁波方太厨具有限公司 | Lampblack absorber with switchable air inlet |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296218A (en) * | 2014-11-06 | 2015-01-21 | 胡波楹 | Range hood with odor removal device |
| CN106801903A (en) * | 2017-03-22 | 2017-06-06 | 广东美的厨房电器制造有限公司 | side-suction type range hood |
| CN106813283A (en) * | 2017-04-10 | 2017-06-09 | 珠海格力电器股份有限公司 | Opening and closing mechanism and range hood |
| CN108613234A (en) * | 2018-06-21 | 2018-10-02 | 广东万和电气有限公司 | A kind of smoke deflector automatic open-close mechanism and apply its side extraction cooking fume extractor |
| CN108644847A (en) * | 2018-07-19 | 2018-10-12 | 珠海格力电器股份有限公司 | Range hood with openable smoke baffle and control method thereof |
| CN110131773A (en) * | 2019-06-25 | 2019-08-16 | 杭州老板电器股份有限公司 | Driving device and kitchen ventilator |
| CN110131773B (en) * | 2019-06-25 | 2024-05-24 | 杭州老板电器股份有限公司 | Driving device and range hood |
| CN112161305A (en) * | 2019-09-27 | 2021-01-01 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN112161305B (en) * | 2019-09-27 | 2022-01-11 | 宁波方太厨具有限公司 | Fume exhaust fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102901138B (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102901138A (en) | Range hood with openable and closable air inlet | |
| CN202813529U (en) | Lampblack absorber with switchable air inlet | |
| EP3390918B1 (en) | A hood for domestic use | |
| CN107327882A (en) | The side-suction type range hood that a kind of smoke deflector can be closed automatically | |
| CN102944032A (en) | Locking device of smoke barrier at air inlet of range hood | |
| CN209150528U (en) | A kind of electric power dustproof electric cabinet | |
| CN206919103U (en) | side-suction type range hood | |
| CN106765383B (en) | Panel structure of range hood | |
| CN108814324B (en) | Oven with hot gas discharge cooling mechanism | |
| CN203099942U (en) | Locking device of air inlet of range hood | |
| CN201289141Y (en) | Environmental-protecting type hydrocone type cooker hood | |
| CN104329709A (en) | Integrated stove capable of automatically shielding fume suction hole | |
| CN204187666U (en) | The integrated kitchen range that a kind of smoking port can shield | |
| CN202719655U (en) | Louver air suction hood capable of being opened and closed automatically | |
| CN201412899Y (en) | Household range hood | |
| CN102913974B (en) | Locking device of air inlet of range hood | |
| CN112902256A (en) | Air inlet assembly and range hood with same | |
| CN215412040U (en) | Aircraft nose and integrated kitchen of integrated kitchen | |
| CN202002182U (en) | Range hood having multi-channel air regulator | |
| CN211600823U (en) | Air guide assembly of range hood and range hood | |
| CN217876035U (en) | Controllable exhaust range hood | |
| CN109210597A (en) | A kind of smoke exhaust ventilator easily adjusted | |
| CN214581324U (en) | Easily-cleaned oil smoke treatment environment-friendly equipment | |
| CN220689152U (en) | Smoke machine | |
| CN217876012U (en) | Smoke baffle plate movement mechanism and range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |