CN102913974B - Locking device of air inlet of range hood - Google Patents
Locking device of air inlet of range hood Download PDFInfo
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- CN102913974B CN102913974B CN201210447233.7A CN201210447233A CN102913974B CN 102913974 B CN102913974 B CN 102913974B CN 201210447233 A CN201210447233 A CN 201210447233A CN 102913974 B CN102913974 B CN 102913974B
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- drive unit
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- air inlet
- output shaft
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Abstract
A locking device of an air inlet of a range hood comprises a drive device which is arranged on the inside of a panel of the range hood and an armature which is located at the lower end of a smoke blocking plate which is hinged with the air inlet of the panel. The locking device is characterized in that a fixing member is connected to the lower portion of the drive device, a permanent magnet is fixed on one side of the fixing member, which is close to the air inlet, the drive device is used for driving the fixing member to move, the fixing member and the armature are attached or loosened, and the smoke blocking plate is locked or opened. The locking device is simple in structure, easy to produce and assemble and capable of achieving the automatic locking and opening operation of the smoke blocking plate, preventing fume from flowing backwards caused by the fact that the smoke blocking plate is not closed tightly, cleaning the kitchen environment, preventing the smoke blocking plate from being opened under the condition of damage or failure of the drive device and guaranteeing the service life of the locking device and the range hood.
Description
Technical field
The present invention relates to a kind of lampblack absorber, particularly relate to a kind of locking device of fume exhauster air inlet.
Background technology
Existing close-suction range hood, generally include shell, setting blower fan system in the enclosure, the side plate that shell comprises both sides and the panel be positioned at towards the kitchen range top and user side, panel is provided with air inlet, after connecting the power supply of blower fan system, air inlet is discharged to common flue after oil smoke is sucked blower fan system.Most of close-suction range hoods now, as the side suction cooking fume exhauster air disclosed in Chinese patent Authorization Notice No. CN201177306Y, its air inlet cannot be closed, therefore have many dusts or small worm etc. and enter into lampblack absorber inside, and the peculiar smell of lampblack absorber inside also can be come out by air inlet, oil smoke even in common flue pours in down a chimney, for kitchen environment brings very bad impact.
Therefore also there is the lampblack absorber that many air inlets can close and open, " a kind of lampblack absorber with movable fume guide mechanism " disclosed in Chinese patent CN201866823U, comprise housing, intelligent control unit, motor and air inlet, air inlet is provided with collection cigarette panel, and housing is located in the end activity of this collection cigarette panel.Connecting rod; for movable rod that can be tortuous; collection cigarette panel is located in one end of this connecting rod; the other end is connected with a variable transmission mechanism; although such lampblack absorber can prevent return air taint of odour; protect kitchen environment; and make that collection cigarette panel is closed makes lampblack absorber more attractive in appearance and convenient cleaning; but such collection cigarette panel controls to rotate by motor and movable rod; complex structure; higher to requirement on machining accuracy, if precision is inadequate, may causes collecting cigarette panel and cannot close or open not enough situation completely.
Or " a kind of lid fume exhaust fan " disclosed in Chinese patent CN201599859U comprises exhaust fume collecting hood and air inlet, air inlet is provided with and renovates, renovate and be provided with clockwise torsion mechanism and drawing and releasing mechanism between exhaust fume collecting hood, drawing and releasing mechanism comprises draw-bar seat, motor cabinet, motor, pull bar and drag-line, draw-bar seat is arranged on to be renovated, motor cabinet is arranged on exhaust fume collecting hood, motor is arranged on motor cabinet, motor is provided with moving runner, drag-line and moving runner hinged, one end of pull bar is fixedly connected with draw-bar seat, the other end of pull bar is fixedly connected with drag-line, this invention is that one is provided with and renovates, and turning-lid opening-closing is more convenient, there is the lid fume exhaust fan that cigarette effect is better attractive in appearance again, but this switch renovated controls by motor and drag-line and pull bar, may cause renovating cannot close completely once motor goes wrong or between pull bar and drag-line, assembly precision is not high, therefore, still there is the hidden danger that oil smoke pours in down a chimney.
Therefore, also occurred that some utilize magnechuck and armature to lock the lampblack absorber of smoke barrier, the adhesive of armature and magnechuck is leaned on to ensure the closed condition of smoke barrier in these structures, the contact area of armature and magnechuck directly decides the reliability of both adhesives, if contact area is less, adhesive reliability is poorer.Said structure is used for other position or other household appliances are no problem, but when this structure is in the air inlet of lampblack absorber, greasy dirt oil stain can be bonded on magnechuck and armature by lampblack absorber in the process of long-term fume-exhausting, then when both close time, it is very firm that the greasy dirt that viscosity is larger can make armature and magnechuck glue, when lampblack absorber starts again time, there is the situation appearance that smoke barrier cannot be dug.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of can tight closing and be easy to the locking device of the fume exhauster air inlet opened.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of locking device of fume exhauster air inlet, comprise the drive unit inside the panel being arranged at lampblack absorber, and be positioned at the armature of lower end of the smoke barrier on the air inlet being hinged on described panel, it is characterized in that: the below of described drive unit connects a fixture, described fixture is fixed with a permanent magnet near the side of described air inlet, and this drive unit drives this kinematic mount make described fixture with the adhesive of described armature phase or unclamp to lock or open described smoke barrier.
Preferably, described drive unit has the output shaft that about stretches out retraction, and the bottom of described output shaft connects described fixture.
As an embodiment of the present invention, described fixture is relative to the output shaft horizontally set of described drive unit, a connecting rod extended in the same way with the output shaft of described drive unit is provided with below described drive unit, one end of described fixture connects one of them in the output shaft of described drive unit and described connecting rod, the middle part of described fixture connect in the output shaft of described drive unit and described connecting rod another, the connecting portion of described fixture around itself and connecting rod under the driving of the output shaft of described drive unit rotates, the other end of described fixture connects described permanent magnet.
Preferably, described connecting rod connects the middle part of described fixture, and the output shaft of described drive unit connects one end of described fixture, and the bottom of described connecting rod is provided with pin, and the middle part of described fixture is provided with a chute, and described pin is positioned at described chute.
Alternatively, described drive unit is an electric pushrod or a magnetic valve.
Compared with prior art, the invention has the advantages that the locking device of fume exhauster air inlet of the present invention, not only structure simple, produce easy to assembly, and automatically locking and opening operation of smoke barrier can be realized, smoke barrier can be prevented because the caused oil smoke that is not closed completely pours in down a chimney, more cleaning of kitchen environment, and it also avoid the situation that smoke barrier in the situations such as the malfunctioning or damage of drive unit cannot open, ensure that the service life of this locking device and the service life of lampblack absorber.
Accompanying drawing explanation
Fig. 1 is the side sectional view of lampblack absorber of the present invention.
Fig. 2 is the schematic diagram (panel closed condition) of kitchen ventilator panel part of the present invention.
Fig. 3 is the magnified partial view (lock-out state) in Fig. 2.
Fig. 4 is the enlarged drawing (open mode) of magnetic valve in Fig. 2.
Fig. 5 is the schematic diagram (panel opening state) of kitchen ventilator panel part of the present invention.
Fig. 6 is the schematic diagram of the kitchen ventilator panel of the another kind of embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1, this lampblack absorber comprises a housing 1, and is positioned at the blower fan system 13 of housing 1 inside, and is positioned at housing 1 top is upwards communicated to common flue outlet housing 12 by discharge pipe 14.The front side of this housing 1 is also provided with the panel 11 towards the kitchen range top and user.
This panel 11 is provided with an air inlet 2, described air inlet 2 be provided with match with air inlet size, upper end thereof can overturn the smoke barrier 3 of opening or closing relative to air inlet 2 on air inlet 2.When smoke barrier 3 is opened, blower fan system 13 aspirate air in kitchen and by air-out mouth mask 12 by oil smoke discharge to common flue or outdoor, and simultaneously smoke barrier 3 can stop portions from the oil smoke of dissipation before panel, carrying out guiding to oil smoke makes more heavy wool cigarette enter air inlet 2, reduce user and suck oil smoke, make smoke pumping efficiency 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 locked mutually by the lower end of a locking device with air inlet 2 or opened.The actuator driving this smoke barrier 3 to rotate around hinge 31 is also installed inside this panel 11.
As shown in Figure 2-5, this locking device comprises one and is fixed on magnetic valve 4 inside panel 11, the below of this magnetic valve 4 is connected with the fixture 5 that is positioned at this air inlet 2 lower end, the bottom of this fixture 5 has a permanent magnet 51, one is fixed on the armature 32 on inside smoke barrier 3, magnetic valve 4 promotes the motion of this fixture 5 to be made the mutual adhesive of this armature 32 and the permanent magnet 51 on fixture 5 or mutually unclamps, so that the lower end of smoke barrier 3 with air inlet 2 is mutually locked or to be unclamped.Those skilled in the art can recognize, the drive unit that this magnetic valve 4 drives fixture 5 to move as, also can substitute, as electric pushrod etc., as long as this drive unit has the output shaft that can stretch out indentation up and down with other drive unit.
Preferably, as shown in Figure 3,4, this fixture 5 is relative to output 41 horizontally set of magnetic valve 4, and the lower end of this magnetic valve 4 is stretched out downwards and is fixed with a connecting rod 42 extended in the same way with the output shaft 41 of magnetic valve 4, and this connecting rod 42 is between the output shaft 41 and smoke barrier 3 of magnetic valve 4.One end away from air inlet 2 of fixture 5 is hinged on the output shaft 41 of magnetic valve 4, and the other end of fixture 5 is a permanent magnet 51, and the middle part of fixture 5 has a chute 52, and the bottom of connecting rod 42 has a pin 421 and is arranged in this chute 52.When this magnetic valve 4 drives one end of this fixture 5 to move up and down, this pin 421 can move in the chute 52 at the middle part of fixture 5, and the permanent magnet 51 of this fixture 5 other end is moved up and down, and then unclamps with armature 32 adhesive or with this armature 32.As shown in Figure 3, when when this fixture 5 and armature 32 phase adhesive, this smoke barrier 3 is closed, the output shaft 41 of this magnetic valve 4 is parallel with smoke barrier 3, output shaft 41 and the same length of connecting rod 42 of this magnetic valve 4, namely this fixture 5 is vertical with smoke barrier 3, when smoke barrier 3 needs to open, magnetic valve 4 is energized and its output shaft 41 is protruding, namely one end of this fixture 5 moves downward along with output shaft 41, permanent magnet 51 on the other end of fixture 5 rotates up, and then permanent magnet 51 and armature 32 are unclamped, this smoke barrier 3 can be opened, as shown in Figure 5, then this magnetic valve 4 resets, this output shaft 41 is retractable into and the position of connecting rod 42 with length, for the closedown of this smoke barrier 3 is prepared.In the on-state, as long as rotate this smoke barrier 3, make armature 32 and the adhesive of permanent magnet 51 phase, this smoke barrier 3 can be closed.The closedown that this locking device can realize smoke barrier 3 and the automatic control of opening, with drive the actuator that rotates of smoke barrier 3 to cooperatively interact to realize this smoke barrier 3 unblank open and lock closedown.And those skilled in the art also can recognize, position between this connecting rod 42 and output shaft 41 of this magnetic valve 4 also can exchange, namely the output shaft of this magnetic valve 4 is between connecting rod 42 and smoke barrier 3, one end and the connecting rod 42 of fixture 5 are hinged, the output shaft 41 of magnetic valve 4 is provided with pin, and this pin is positioned at the chute 52 in the middle of this fixture 5.Now the stretching out and retract of energising output shaft 41 of magnetic valve 4, also can make the permanent magnet 51 of fixture 5 other end move up and down, make permanent magnet 51 with armature 32 phase adhesive or unclamp.And those skilled in the art also can recognize, this magnetic valve 4 also can be replaced by other drive units, as electric pushrod etc., as long as this drive unit has the output shaft stretching out and retract, and can promote fixture 5 and moves.
And, this locking device open the energising work needing magnetic valve 4, even if but at magnetic valve 4 no power, when magnetic valve 4 fault cannot use in other words, as long as firmly pull this smoke barrier 3, because armature time smoke barrier is closed 32 and permanent magnet 51 are all arranged with panel 11 parallel oblique, when pulling smoke barrier 3, armature 32 is not directly throw off from the front forward of permanent magnet 51, but this armature 32 is relative to permanent magnet 51 oblique movement, the bonding between armature 32 and permanent magnet 51 can be made to tear, be easy to open, as long as and close smoke barrier 3 and also promote this smoke barrier 3 and make armature 32 and permanent magnet 51 adhesive.The locking device of this kind of lampblack absorber, not only tightly can lock smoke barrier, and is easy to open, even if when drive unit lost efficacy, still can operate the folding of smoke barrier, increases the service life of lampblack absorber.And magnetic valve 4 parallels setting with panel 11 in the present embodiment, also can not be arranged in parallel with panel 11 by magnetic valve 4.
Those skilled in the art also can recognize, not necessarily to adopt above-mentioned sliding groove structure, as long as one end of this fixture and middle part are connected the output shaft 41 of connecting rod 42 and magnetic valve respectively, fixture can be rotated around the connecting portion of fixture and connecting rod 42 under the driving of the output shaft of magnetic valve, the oblique movement of armature 32 relative to permanent magnet 51 can be realized.Can be the middle part of connecting rod connection fixture, one end of the output shaft connection fixture of magnetic valve, or the one end that also can be connecting rod connection fixture, the middle part of the output shaft connection fixture of magnetic valve.
As shown in Figure 6, for another embodiment of the present invention, there is in this embodiment armature 32 equally that be fixed on smoke barrier 3 lower end, be electric pushrod 6 unlike drive unit, this electric pushrod 6 is fixed on the inner side of panel 11, the output shaft 61 of this electric pushrod 6 is fixed with fixture 5 ', and described fixture 5 ' is relative to output shaft 61 horizontally set of described electric pushrod 6, and one end near this air inlet 2 of fixture 5 ' is a permanent magnet 51 '.
During locking, this permanent magnet 51 ' and the adhesive mutually of this armature 32, when electric pushrod 6 is energized and shrinks or extend, this permanent magnet 51 ' along with output shaft 61 upwards or move downward, and then to throw off with armature 32, now can open this smoke barrier 3; Then this electric pushrod 6 resets, and output shaft 61 runs to original position downward or upward, when closing smoke barrier 3, rotates smoke barrier 3 and makes armature 32 and permanent magnet 51 ' adhesive mutually, can close this smoke barrier 3 of locking.Those skilled in the art can recognize, in this embodiment, this electric pushrod also can be replaced by magnetic valve, also can replace with other drive units with the output shaft that can stretch.
The locking device of fume exhauster air inlet of the present invention, not only structure simple, produce easy to assembly, and automatically locking and opening operation of smoke barrier can be realized, smoke barrier can be prevented because the caused oil smoke that is not closed completely pours in down a chimney, more cleaning of kitchen environment, and it also avoid the situation that smoke barrier in the situations such as the malfunctioning or damage of drive unit cannot open, ensure that the service life of this locking device and the service life of lampblack absorber.
Claims (3)
1. the locking device of a fume exhauster air inlet, comprise the drive unit inside the panel being arranged at lampblack absorber, and be positioned at the armature of lower end of the smoke barrier on the air inlet being hinged on described panel, it is characterized in that: the below of described drive unit connects a fixture, described fixture is fixed with a permanent magnet near the side of described air inlet, and this drive unit drives this kinematic mount make described fixture with the adhesive of described armature phase or unclamp to lock or open described smoke barrier;
Described drive unit has the output shaft that about stretches out retraction, and the bottom of described output shaft connects described fixture;
Described fixture is relative to the output shaft horizontally set of described drive unit, a connecting rod extended in the same way with the output shaft of described drive unit is provided with below described drive unit, one end of described fixture connects one of them in the output shaft of described drive unit and described connecting rod, the middle part of described fixture connect in the output shaft of described drive unit and described connecting rod another, the connecting portion of described fixture around itself and connecting rod under the driving of the output shaft of described drive unit rotates, and the other end of described fixture connects described permanent magnet.
2. the locking device of fume exhauster air inlet as claimed in claim 1, it is characterized in that: described connecting rod connects the middle part of described fixture, the output shaft of described drive unit connects one end of described fixture, the bottom of described connecting rod is provided with pin, the middle part of described fixture is provided with a chute, and described pin is positioned at described chute.
3. the locking device of fume exhauster air inlet as claimed in claim 1 or 2, is characterized in that: described drive unit is an electric pushrod or a magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210447233.7A CN102913974B (en) | 2012-11-09 | 2012-11-09 | Locking device of air inlet of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210447233.7A CN102913974B (en) | 2012-11-09 | 2012-11-09 | Locking device of air inlet of range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102913974A CN102913974A (en) | 2013-02-06 |
| CN102913974B true CN102913974B (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210447233.7A Active CN102913974B (en) | 2012-11-09 | 2012-11-09 | Locking device of air inlet of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102913974B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240886B (en) * | 2014-07-09 | 2017-09-19 | 樱花卫厨（中国）股份有限公司 | Take out and turn over formula range hood |
| CN106152219B (en) * | 2016-08-19 | 2018-08-31 | 宁波方太厨具有限公司 | A kind of oil smoke leading type range hood |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2096713U (en) * | 1991-07-02 | 1992-02-19 | 吴敏炜 | Smoke diversion plate for oil-smoke draining machine |
| CN1099859A (en) * | 1994-03-17 | 1995-03-08 | 尚庆英 | Automatic electromagetic valve for preventing smoke back-flow of exhauster |
| WO1996027768A1 (en) * | 1995-03-08 | 1996-09-12 | Yoshihiro Yamada | Exhaust system for kitchens |
| CN202133013U (en) * | 2011-07-04 | 2012-02-01 | 王春法 | Opening-closing structure of smoke-collecting chamber cover plate of range hood |
| CN203099942U (en) * | 2012-11-09 | 2013-07-31 | 宁波方太厨具有限公司 | Locking device of air inlet of range hood |
-
2012
- 2012-11-09 CN CN201210447233.7A patent/CN102913974B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2096713U (en) * | 1991-07-02 | 1992-02-19 | 吴敏炜 | Smoke diversion plate for oil-smoke draining machine |
| CN1099859A (en) * | 1994-03-17 | 1995-03-08 | 尚庆英 | Automatic electromagetic valve for preventing smoke back-flow of exhauster |
| WO1996027768A1 (en) * | 1995-03-08 | 1996-09-12 | Yoshihiro Yamada | Exhaust system for kitchens |
| CN202133013U (en) * | 2011-07-04 | 2012-02-01 | 王春法 | Opening-closing structure of smoke-collecting chamber cover plate of range hood |
| CN203099942U (en) * | 2012-11-09 | 2013-07-31 | 宁波方太厨具有限公司 | Locking device of air inlet of range hood |
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| Publication number | Publication date |
|---|---|
| CN102913974A (en) | 2013-02-06 |
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