CN102927601B - Air outlet device for range hoods - Google Patents
Air outlet device for range hoods Download PDFInfo
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- CN102927601B CN102927601B CN201210423184.3A CN201210423184A CN102927601B CN 102927601 B CN102927601 B CN 102927601B CN 201210423184 A CN201210423184 A CN 201210423184A CN 102927601 B CN102927601 B CN 102927601B
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- gear
- valve block
- guide post
- air outlet
- drive link
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Abstract
The invention discloses an air outlet device for range hoods. The air outlet device comprises a cover body and a valve block component which is arranged at an air outlet of the cover body, wherein the valve block component comprises a rotation shaft which is arranged along the symmetry axis of the air outlet and two symmetric valve blocks which are hinged on the rotation shaft; the total area of the two valve blocks is matched with the air outlet; and the valve blocks are capable of rotating around the rotation shaft to open or close the air outlet. The air outlet device for range hoods is characterized in that a control device which is used for controlling the two valve blocks to be automatically opened and closed is arranged below the valve block component. The air outlet device is not only capable of automatically controlling the opening and the closing of the valve clocks to ensure the smooth opening and the tight closing of the valve blocks, ensure the unobstructed air exhaust during the use of the range hoods and prevent the backflow of lampblack when the range hoods are closed, but also capable of ensuring the synchronous opening and closing of the two valve blocks to ensure the unobstructed air exhaust of the range hoods and reduce the noise of the range hoods.
Description
Technical field
The present invention relates to a kind of exhaust apparatus of lampblack absorber.
Background technology
In the building of household resident now used general be all common flue, the oil smoke that the range hood of every household is discharged is discharged after range hood enters common flue above house, if air outlet for kitchen ventilator is poorly sealed, will cause the oil smoke of underlying User in discharge process, enter the room of upper strata resident family, or when blowing hard or air pressure is low, also there will be the oil smoke that upper strata resident family discharges and enter situation in house from the exhaust outlet of the range hood of resident family of lower floor, produce between air flue collaborate mutually, the phenomenon of smoke blowing.So general lampblack absorber all sets out fan housing at the air outlet place of lampblack absorber, in outlet housing, valve block is set, when lampblack absorber uses, valve block opens that oil smoke is expelled to common flue usually, when lampblack absorber is closed, valve block is also closed, and prevents the oil smoke in common flue from pouring in down a chimney.Non-return valve block in common outlet housing is double valve sheet structure.
Containing greasy dirt in oil smoke, lampblack absorber uses greasy dirt to be long afterwards easily piled up on valve block, cause adhesion between valve block and housing, and be piled up in the greasy dirt on valve block number depend on oil smoke amount that lampblack absorber sucks, performance, the air-out mode of blower fan system, the shape of exhaust passage, the mounting means of discharge pipe, the temperature humidity etc. of external environment that the grease of lampblack absorber itself is separated.So the greasy dirt be piled up on each valve block is unequal, it is different from the adhesion degree of the housing inner ring of outlet housing that this just directly results in valve block, suppose that valve block A and the bonding degree of housing inner ring are greater than the bonding degree of valve block B and housing inner ring, after lampblack absorber starts, static pressure in valve block its outlet housing of moment is before opening maximum, valve block A is equal with the air pressure suffered by valve block B, if first opened with the housing inner ring less valve block B of degree that bonds, gas pressure intensity moment then in outlet housing significantly reduces, valve block A is then difficult to open again, it is not smooth that this just directly results in lampblack absorber air draft, noise increases phenomenon and occurs.
A kind of smoke exhaustion check valve main body structure disclosed in China Patent Publication No. CN201412567Y, is provided with valve body and baffle plate, is provided with support ring in valve body, arranges sideboard, baffle plate is connected with back-moving spring at support ring top; When opening lampblack absorber, the row of wind of lampblack absorber provides power, blows two panels baffle plate open, and when lampblack absorber quits work, the screen resilience of back-moving spring makes baffle plate return on half-turn support ring.Above-mentioned lampblack absorber, when lampblack absorber is opened, if one of them baffle plate is opened in advance, will, as above described in principle, because pressure reduction in valve body reduces, another one baffle plate be caused normally not open, now lampblack absorber reduces due to air-out area, causes smoke absorption effect to be deteriorated, and noise increases.When lampblack absorber is closed, uneven due to external resistance, one of them baffle plate is caused to be closed in advance, now two baffle plate angles expand, spring force reduces, and causes this spring force another baffle plate can not be made normally to close, now due to poorly sealed, by causing the oil smoke in flue to seal in user kitchen, affect kitchen environment.
China Patent Publication No. be CN102353083A prior art discloses a kind of outlet housing structure, this structure is by with the addition of permanent magnet and magnetisable material at valve block edge, by the adhesive with electromagnet, increase the sealing effectiveness under closed condition, again by the repulsion with electromagnet, carry out auxiliary valve block and open.But electromagnet cost is large in this structure, complex structure, calutron easily damages in oil pollution environment, the process that valve block is opened is that two electromagnet act on two valve blocks respectively, the unlatching of auxiliary two valve blocks respectively, if the valve block less with case bonding degree is first opened, gas pressure intensity moment then in outlet housing significantly reduces, another valve block is also difficult to open again, although this technology adds the structure of assisting in opening valve block, but two panels valve block is not synchronous unlatching, then still there is the hidden danger that wherein a slice valve block is not opened.And in this outlet housing, the opening and closing of valve block also need the effect relying on wind-force in outlet housing, make uncontrollable factor increase, cannot the opening and closing of manual control outlet housing well.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of can automatically control makes two panels valve block keep the exhaust apparatus for lampblack absorber of interlock opening and closing simultaneously.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of exhaust apparatus for lampblack absorber, comprise cover body, be arranged on the valve block assembly at cover body air outlet place, described valve block assembly comprises the rotating shaft that the symmetry axis along air outlet is arranged, and be hinged on the valve block of the two panels symmetry in rotating shaft, the gross area and the air outlet of described two panels valve block match, and valve block can Unscrew or close described air outlet around the shaft, it is characterized in that: the below of described valve block assembly is provided with the control device controlling this two panels valve block and automatically open and close.
Preferably, the drive unit that described control device comprises at least one guide post being positioned at below described rotating shaft and vertically extending and drives this guide post to rotate around himself axle, described guide post is a screw rod, it overlaps the nut having to move up and down along its length, one end of two connecting rods is hinged on nut, and the other end is hinged on the lower surface of two panels valve block respectively.
Preferably, described drive unit is by guide post described in an actuator drives.
Preferably, described transmission device comprises a drive link and is positioned at the below of rotating shaft and rotating shaft extends in the same way, one end of described drive link is connected to the described drive unit of the axle rotation making described drive link around himself, described drive link is connected with this drive link synchronous axial system and first gear coaxial with drive link, described first gears meshing one second gear, the axis of this second gear and the axial vertical of the first gear, described second gear connect described guide post and with described guide post synchronous axial system.
Preferably, described drive link extends to the center of described rotating shaft in the below of rotating shaft, and described guide post is a below being vertically positioned at the center of rotating shaft.
Preferably, described first gear is connected with described drive link by a clutch shaft bearing, and described second gear is connected with described guide post by one second bearing.
In order to the pollution protecting gear to be subject to greasy dirt, the outside of described first gear and the second gear is provided with a shell, and described drive link and guide post are all connected with the first gear and the second gear through this shell.
In order to protect gear and guide post better; increase the serviceability of exhaust apparatus; the outside of described first gear, the second gear, guide post and nut is provided with a shell; described drive link is connected with the first gear through this shell, and the both sides of described shell are respectively equipped with the opening that two vertical confession connecting rods stretch out and move up and down.
Compared with prior art, the invention has the advantages that this exhaust apparatus, not only can the opening and closing of autocontrol valve sheet, ensure that the unlatching of valve block is smooth and close tight, unobstructed and when preventing lampblack absorber from closing the oil smoke of air draft when lampblack absorber is used pours in down a chimney, and the synchronous opening and closing of two panels valve block can be ensured, make the air draft of lampblack absorber unobstructed and reduce the noise of lampblack absorber.The protection of shell also can make control device not pollute by greasy dirt and cause the inconvenience of use, improve the service life of exhaust apparatus.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view (valve block closed condition) of lampblack absorber exhaust apparatus of the present invention.
Fig. 2 is the partial schematic diagram (valve block closed condition, remove portion cover body) of lampblack absorber exhaust apparatus of the present invention.
Fig. 3 is the schematic perspective view (valve block opens partial status) of lampblack absorber exhaust apparatus of the present invention.
Fig. 4 is the partial schematic diagram (valve block opens partial status, remove portion cover body) of lampblack absorber exhaust apparatus of the present invention.
Fig. 5 is the partial schematic diagram of lampblack absorber exhaust apparatus of the present invention.
Fig. 6 is the partial schematic diagram of the exhaust apparatus of the another kind of embodiment of the present invention.
Fig. 7 is the partial schematic diagram (valve block open mode, remove portion cover body) of the exhaust apparatus 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 Figure 1-5, lampblack absorber exhaust apparatus of the present invention, comprise cover body 1, and be arranged on the valve block assembly at cover body 1 air outlet 11 place, this valve block assembly comprises the rotating shaft 2 of the symmetry axis horizontally set along air outlet 11, and being hinged on the valve block 3 of the two panels symmetry in rotating shaft 2, the gross area and the air outlet 11 of two panels valve block 3 match, and this two panels valve block 3 can this air outlet 11 of 2 Unscrews or close this air outlet 11 around the shaft.And the edge of two panels valve block 3 is shelved on the inner ring of cover body 1.
The below of rotating shaft 2 is also provided with the wind guide strip 4 extended in the same way with rotating shaft 2, discharges from air outlet 11 for guiding oil smoke.The below of valve block assembly, is provided with the control device that this two panels valve block 3 of a control opens and closes automatically.This control device comprises the motor 51 that is positioned at cover body 1 side, this motor 51 connects a drive link 52, this drive link 52 extends to the central lower of rotating shaft 2 in the same way in the below of rotating shaft 2 and rotating shaft 2, one end of drive link 52 is connected with motor 51, the other end is for be connected with one first gear 71 by a clutch shaft bearing 61, the axis of this first gear 71 is the length direction of drive link 52, this first gear 71 is engaged with the second gear 72, the axis of this second gear 72 and the axial vertical of the first gear 71, and this second gear 72 is connected to one end of a guide post 53 by one second bearing 62, guide post 53 is perpendicular and vertically arrange downwards with drive link 52, namely the below that this guide post 53 is positioned at described rotating shaft 2 extends straight down.Therefore this motor 51 can drive drive link 52 and the first gear 71 on it to rotate, the rotation of this first gear 71 can convert the rotation of the second gear 72 to, second gear 72 can drive this guide post 53 around the axle synchronous axial system of himself, and namely this motor 51 rotates around the axle of himself by drive link 52, first gear, this guide post 53 of the second gear drive.This guide post 53 is a screw rod, and the one end it overlapping nut 54, two connecting rods 55 having to move up and down along its length is hinged on nut 54, and the other end is hinged on the lower surface of two panels valve block 3 respectively.Therefore along with the rotation of guide post 53, nut 54 can move up and down on guide post 53, and then drives upwards opening of valve block 3 by connecting rod 55 and close downwards.Therefore by the control of this control device, can by controlling the motion of motor 51, namely rotating and reverse of motor 51 is controlled, and then control the counterclockwise of guide post 53 or turn clockwise, and then control moving up and down of nut 54, namely control the opening and closing of this valve block 3, realize the automatic control that valve block 3 moves.And synchronous interaction during the opening and closing of this valve block 3, can prevent the situation can not opened due to oil smoke adhesion or can not open simultaneously between valve block and cover body from occurring.In this structure, also can be provided with a shell 8 outside the first gear 71 and clutch shaft bearing 61 and the second gear 72 and the second bearing 62, drive link 52 and guide post 53 are all connected with the first gear and the second gear through this shell 8.This control device so both can be made to have the outward appearance of an overall appearance, also can prevent oil smoke from entering the first gear, the second gear, prevent gear from cannot rotate because oil smoke causes adhesion, or rotate not smooth.This exhaust apparatus also can prevent valve block 3 from being blown open because of the effect of external force, and oil smoke when preventing lampblack absorber from not using pours in down a chimney.This motor also can be replaced by other drive unit, as long as this guide post 53 can be driven to rotate around the axle of himself.
And, those skilled in the art also can recognize, not necessarily to adopt the setting of above-mentioned motor, gear, bearing and drive link, guide post 53 can be driven around the drive unit of the axle rotation of himself as long as this control device comprises one, such as drive unit directly can connect guide post 53 and then drive the rotation of guide post 53.And drive link, gear and bearing be formation one from drive unit to the transmission device of guide post 53, also can omit these transmission devices or adopt other transmission device.And this guide post 53 also vertically can arrange many in the below of rotating shaft 2, drive link 52 extends in the same way in the below of rotating shaft 2 and rotating shaft 2, and be all connected by multiple first gear and the second gear and this many guide posts 53 and drive the rotation of guide post 53 simultaneously, also can arrange many with multiple nut 54 matched with guide post 53, and many connecting rods 55 are connected to the nut 54 on this guide post 53 respectively simultaneously.Preferably, this guide post 53 is one, is vertically positioned at the central lower of rotating shaft 2.
As shown in Figure 6,7, for the another kind of embodiment of this exhaust apparatus, in this embodiment, other are same as the previously described embodiments, unlike, this guide post 53 ' is shorter, and guide post 53 ' and nut 54 are also positioned at shell 8 ', and the both sides of shell 8 ' are respectively equipped with two vertical openings 81 and stretch out for connecting rod 55 and move up and down.This structure not only makes the profile of exhaust apparatus more compact attractive in appearance, and can prevent nut 54 from emerging in this guide post 53 ', more can prevent the upper adhesion greasy dirt of guide post 53 ' and cause the opening and closing of valve block 3 obstructed, improve the service life of this exhaust apparatus.
This exhaust apparatus, not only can the opening and closing of autocontrol valve sheet, ensure that the unlatching of valve block is smooth and close tight, unobstructed and when preventing lampblack absorber from closing the oil smoke of air draft when lampblack absorber is used pours in down a chimney, and the synchronous opening and closing of two panels valve block can be ensured, make the air draft of lampblack absorber unobstructed and reduce the noise of lampblack absorber.And the protection of shell also can make control device not pollute by greasy dirt and cause the inconvenience of use, improve the service life of exhaust apparatus.
Claims (7)
1. the exhaust apparatus for lampblack absorber, comprise cover body (1), be arranged on the valve block assembly at cover body (1) air outlet (11) place, described valve block assembly comprises the rotating shaft (2) that the symmetry axis along air outlet (11) is arranged, and be hinged on the valve block (3) of the two panels symmetry in rotating shaft (2), the gross area of described two panels valve block (3) and air outlet (11) match and valve block (3) can (2) Unscrew or close described air outlet (11) around the shaft, it is characterized in that: the below of described valve block assembly is provided with the control device controlling this two panels valve block (3) and automatically open and close,
Described control device comprises the drive unit being positioned at least one guide post (53) that described rotating shaft (2) below vertically extends and driving this guide post (53) to rotate around himself axle, described guide post (53) is a screw rod, it overlaps the nut (54) having to move up and down along its length, one end of two connecting rods (55) is hinged on nut (54), and the other end is hinged on the lower surface of two panels valve block (3) respectively.
2. exhaust apparatus as claimed in claim 1, is characterized in that: described drive unit is by guide post described in an actuator drives.
3. exhaust apparatus as claimed in claim 2, it is characterized in that: described transmission device comprises a drive link (52) and is positioned at the below of rotating shaft (2) and rotating shaft (2) extends in the same way, one end of described drive link (52) is connected to the described drive unit of the axle rotation making described drive link (52) around himself, described drive link (52) is connected with this drive link (52) synchronous axial system and first gear (71) coaxial with drive link (52), described first gear (71) engagement one second gear (72), the axis of this second gear (72) and the axial vertical of the first gear (71), described second gear (72) connect described guide post and with described guide post synchronous axial system.
4. exhaust apparatus as claimed in claim 3, it is characterized in that: described drive link (52) extends to the center of described rotating shaft (2) in the below of rotating shaft (2), described guide post (53) is a below being vertically positioned at the center of rotating shaft (2).
5. the exhaust apparatus as described in claim 3 or 4, it is characterized in that: described first gear (71) is connected with described drive link (52) by a clutch shaft bearing (61), described second gear (72) is connected with described guide post (53) by one second bearing (62).
6. the exhaust apparatus as described in claim 3 or 4, it is characterized in that: described first gear (71) is provided with a shell (8) with the outside of the second gear (72), and described drive link (52) is all connected with the first gear (71) and the second gear (72) through this shell (8) with guide post (53).
7. the exhaust apparatus as described in claim 3 or 4, it is characterized in that: described first gear (71), the second gear (72), guide post (53 ') are provided with a shell (8 ') with the outside of nut (54), described drive link (52) is connected with the first gear (71) through this shell (8 '), and the both sides of described shell (8 ') are respectively equipped with two vertical openings (81) stretching out for connecting rod (55) and move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423184.3A CN102927601B (en) | 2012-10-30 | 2012-10-30 | Air outlet device for range hoods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423184.3A CN102927601B (en) | 2012-10-30 | 2012-10-30 | Air outlet device for range hoods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102927601A CN102927601A (en) | 2013-02-13 |
| CN102927601B true CN102927601B (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210423184.3A Active CN102927601B (en) | 2012-10-30 | 2012-10-30 | Air outlet device for range hoods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102927601B (en) |
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| CN107049050A (en) * | 2016-12-23 | 2017-08-18 | 宁波方太厨具有限公司 | A kind of baking box with cold storing and fresh-keeping function |
| CN108240660B (en) * | 2017-11-19 | 2023-11-17 | 宁波方太厨具有限公司 | Fume exhauster |
| CN108087595B (en) * | 2018-01-26 | 2024-05-10 | 杭州老板电器股份有限公司 | Check valve and central oil smoke clarification plant |
| CN109442049A (en) * | 2018-11-12 | 2019-03-08 | 江苏中科睿赛污染控制工程有限公司 | A kind of Electric air valve with gear |
| WO2022262157A1 (en) * | 2021-06-14 | 2022-12-22 | 胡德创 | Automatic clamping and plugging device for fuel gas pipeline, fastening device, and environmentally-friendly flue |
| CN113338578B (en) * | 2021-06-14 | 2021-12-10 | 胡德创 | Environment-friendly flue and control method thereof |
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| CN102353083A (en) * | 2011-08-15 | 2012-02-15 | 宁波方太厨具有限公司 | Range hood air outlet pipe capable of preventing smoke from returning |
| CN202885059U (en) * | 2012-10-30 | 2013-04-17 | 宁波方太厨具有限公司 | Air outlet device for smoke exhauster |
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2012
- 2012-10-30 CN CN201210423184.3A patent/CN102927601B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1076671A (en) * | 1965-04-26 | 1967-07-19 | Teddington Aircraft Controls L | Improvements in non-return valves |
| US4628954A (en) * | 1985-03-28 | 1986-12-16 | Rachels Industries, Inc. | Multi-use damper |
| DE10151584A1 (en) * | 2000-10-24 | 2002-06-06 | Kurt Stoetzel | Pressure relief flap has pivot mounted pendulum flap movable from open position by spring action or automatically by the gravity force acting upon it into closed position closing off free cross section of pressure relief duct |
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| CN202885059U (en) * | 2012-10-30 | 2013-04-17 | 宁波方太厨具有限公司 | Air outlet device for smoke exhauster |
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| CN102927601A (en) | 2013-02-13 |
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