CN102927600B - Air outlet housing of range hood - Google Patents

Air outlet housing of range hood Download PDF

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Publication number
CN102927600B
CN102927600B CN201210423174.XA CN201210423174A CN102927600B CN 102927600 B CN102927600 B CN 102927600B CN 201210423174 A CN201210423174 A CN 201210423174A CN 102927600 B CN102927600 B CN 102927600B
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China
Prior art keywords
valve block
air outlet
outlet housing
lampblack absorber
guide post
Prior art date
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CN201210423174.XA
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Chinese (zh)
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CN102927600A (en
Inventor
袁柯铭
施旭娜
郑幸
茅忠群
诸永定
王军元
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN201210423174.XA priority Critical patent/CN102927600B/en
Publication of CN102927600A publication Critical patent/CN102927600A/en
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Abstract

The invention discloses an air outlet housing of a range hood. The air outlet housing comprises a housing body and a valve block assembly arranged at an air outlet of the housing body, wherein the valve block assembly comprises a rotary shaft which is arranged along the symmetry axis of the air outlet and two symmetrical valve blocks which are hinged on the rotary shaft; the gross area of the two valve blocks is matched with the area of the air outlet, and the valve blocks can rotate around the rotary shaft to open or close the air outlet; the air outlet housing is characterized in that a linking assembly for synchronously linking the two valve blocks is arranged below the valve block assembly. The air outlet housing of the range hood not only can effectively prevent a problem that the valve blocks cannot be completely opened or simultaneously opened due to oil-flume adhesion, but also can enable the valve blocks on the air outlet housing to simultaneously open or close, thereby ensuring an oil fume suction effect of the range hood and reducing the noise of the range hood.

Description

A kind of outlet housing of lampblack absorber
Technical field
The present invention relates to a kind of outlet housing 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, and valve block can unidirectionally be opened outside outlet housing.
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.
Summary of the invention
Technical problem to be solved by this invention to make two panels valve block keep the lampblack absorber outlet housing opened and closed that simultaneously links.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of outlet housing of 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 of described two panels valve block and air outlet 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 linkage unit making this two panels valve block synchronous interaction.
Preferably, described linkage unit comprises at least one guide post vertically arranged below rotating shaft, arrange on the guide bar and the sliding shoe that can slide up and down along guide post, one end of two connecting rods is hinged on sliding shoe, and the other end is hinged on the lower surface of valve block respectively.
Preferably, described guide post is one, arranges downwards at the center vertical of rotating shaft.
More tight when closing to make this valve block, the bottom of described guide post is provided with magnet, and described sliding shoe has magnetic.
In order to the oil smoke that leads better, the below of described rotating shaft is provided with the wind guide strip extended in the same way with rotating shaft, and described guide post is arranged on the below of described wind guide strip.
Compared with prior art, the invention has the advantages that the outlet housing of this lampblack absorber, the valve block that not only can effectively prevent oil smoke adhesion from causing can not be opened completely or can not open simultaneously, the valve block on outlet housing can be made to open simultaneously or close, ensure that the smoke absorption effect of lampblack absorber, reduce the noise of lampblack absorber, and the use of the sliding shoe of magnet and magnetic can make this valve block close down ground more tightly in off position, when preventing lampblack absorber from not working, the oil smoke in the external world pours in down a chimney.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view (valve block closed condition) of lampblack absorber outlet housing of the present invention.
Fig. 2 is the partial schematic diagram (valve block closed condition, remove portion cover body) of lampblack absorber outlet housing of the present invention.
Fig. 3 is the schematic perspective view (valve block opens partial status) of lampblack absorber outlet housing of the present invention.
Fig. 4 is the partial schematic diagram (valve block opens partial status, remove portion cover body) of lampblack absorber outlet housing of the present invention.
Fig. 5 is the sectional view of lampblack absorber outlet housing of the present invention.
Fig. 6 is the sectional view of the outlet housing 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 outlet housing 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, be provided with the linkage unit making this valve block 3 synchronous interaction, this linkage unit comprise be positioned at this wind guide strip 4 and rotating shaft 2 center vertical to the guide post 51 had, to be arranged on this guide post 51 and the sliding shoe 52 that can move up and down along this guide post 51, one end of two connecting rods 53 is hinged on sliding shoe 52, and the other end is hinged on the lower surface of two panels valve block 3 respectively.Therefore, when the wherein a slice in two panels valve block 3 due to the wind-force of oil smoke open upwards rotate time, due to the induced effect of connecting rod 53 and sliding shoe 52, another sheet also can link and open simultaneously, is also that same principle can realize close synchronously during closedown.Therefore open and close while can realizing two panels valve block 3, to prevent between valve block 3 and cover body 1 situation that valve block can not be opened due to oil smoke adhesion or can not open simultaneously to occur.And those skilled in the art can adjust the length of guide post 51 under above-mentioned principle, and the link position of the other end of connecting rod 53 and valve block 3, make valve block 3 when opening completely, sliding shoe 52 is positioned at the top of guide post 51, valve block 3 is when closing completely, and sliding shoe 52 does not glide and emerges in the bottom of guide post 51.User can be arranged as required, ensures that the length of guide post 51 and the link position of connecting rod 53 can make valve block 3 open and close completely.
And, those skilled in the art also can recognize, not necessarily want as mentioned above, a guide post 51 straight down is only set, can be provided with many spaced guide posts 51 in the below of rotating shaft 2, every root guide post 51 be equipped with sliding shoe 52 and connecting rod 53, connecting rod 53 connects the different parts of valve block 3 simultaneously, apply power and drive the opening and closing of valve block 3 to the different position of valve block 3 simultaneously
As shown in Figure 6, be another embodiment of outlet housing of the present invention, in this embodiment, other structures are all same as the previously described embodiments, unlike, sliding shoe 52 ' adopts magnetic material, and guide post 51 ' adopts diamagnetism material or nonmetallic materials.The bottom of this guide post 51 ' is provided with a magnet 54, when valve block 3 is closed, sliding shoe 52 ' and the adhesive of magnet 54 phase, valve block 3 can be kept to close, prevent that lampblack absorber valve block when not using from opening and the oil smoke that causes pours in down a chimney, and the suction between magnet 54 and sliding shoe 52 ' also can adjust, make when lampblack absorber uses, as long as there is certain air quantity in air channel, the pressure of wind can overcome the suction between magnet 54 and sliding shoe 52 ', opens to make valve block 3.Therefore, such outlet housing not only can ensure that two panels valve block 3 is opened simultaneously or closes the normal work to ensure lampblack absorber, can prevent oil smoke from pouring in down a chimney when lampblack absorber does not work again, ensures the tight closing of valve block 3.
The outlet housing of this lampblack absorber, the valve block that not only can effectively prevent oil smoke adhesion from causing can not be opened completely or can not open simultaneously, the valve block on outlet housing can be made to open simultaneously or close, ensure that the smoke absorption effect of lampblack absorber, reduce the noise of lampblack absorber, and the use of the sliding shoe of magnet and magnetic can make this valve block close down ground more tightly in off position, when preventing lampblack absorber from not working, the oil smoke in the external world pours in down a chimney.

Claims (3)

1. the outlet housing of a 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 linkage unit making this two panels valve block (3) synchronous interaction,
Described linkage unit comprises at least one guide post (51) that rotating shaft (2) below is vertically arranged, be arranged on guide post (51) to go up and the sliding shoe (52) that can slide up and down along guide post (51), one end of two connecting rods (53) is hinged on sliding shoe (52), and the other end is hinged on the lower surface of valve block (3) respectively; The bottom of described guide post (51) is provided with magnet (54), and described sliding shoe (52) has magnetic.
2. the outlet housing of lampblack absorber as claimed in claim 1, is characterized in that: described guide post (51) is one, arranges downwards at the center vertical of rotating shaft (2).
3. the outlet housing of lampblack absorber as claimed in claim 1 or 2, it is characterized in that: the below of described rotating shaft (2) is provided with the wind guide strip (4) extended in the same way with rotating shaft (2), and described guide post (51) is arranged on the below of described wind guide strip (4).
CN201210423174.XA 2012-10-30 2012-10-30 Air outlet housing of range hood Active CN102927600B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210423174.XA CN102927600B (en) 2012-10-30 2012-10-30 Air outlet housing of range hood

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CN102927600B true CN102927600B (en) 2015-04-15

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104990114B (en) * 2015-06-24 2017-10-27 宁波方太厨具有限公司 A kind of outlet housing of lampblack absorber
CN104949165B (en) * 2015-07-16 2018-10-19 珠海格力电器股份有限公司 A kind of anti-backfire gas-cooker
CN111434995B (en) * 2019-01-11 2022-03-18 宁波方太厨具有限公司 Oil smoke buffer mechanism for range hood

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212751A (en) * 1961-09-04 1965-10-19 Kromschroeder Ag G Valve and permanent magnet
GB1076671A (en) * 1965-04-26 1967-07-19 Teddington Aircraft Controls L Improvements in non-return valves
CN2124357U (en) * 1992-05-12 1992-12-09 周德威 Check valve with release function
CN2325692Y (en) * 1998-03-18 1999-06-23 陈晓军 Full sealing type single direction valve for cooking fume remover
CN201090800Y (en) * 2007-10-09 2008-07-23 鲍志平 Induced-draft fan back valve with magnetic force attracting apparatus
CN201190817Y (en) * 2008-04-24 2009-02-04 南京朗诗置业股份有限公司 Magnetic check valve
CN101539215A (en) * 2009-05-05 2009-09-23 海宪华 Novel flue check valve
CN201412567Y (en) * 2009-06-05 2010-02-24 张秀萍 Smoke exhaustion check valve main body structure
CN101881476A (en) * 2010-06-22 2010-11-10 宁波方太厨具有限公司 Air outlet device used for range hood
CN102252359A (en) * 2011-08-04 2011-11-23 宁波方太厨具有限公司 Air discharging cover for range hood
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
CN203052773U (en) * 2012-10-30 2013-07-10 宁波方太厨具有限公司 Air outlet housing of smoke exhaust ventilator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012007687A (en) * 2010-06-25 2012-01-12 Ishizaki Seisakusho:Kk Check valve

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212751A (en) * 1961-09-04 1965-10-19 Kromschroeder Ag G Valve and permanent magnet
GB1076671A (en) * 1965-04-26 1967-07-19 Teddington Aircraft Controls L Improvements in non-return valves
CN2124357U (en) * 1992-05-12 1992-12-09 周德威 Check valve with release function
CN2325692Y (en) * 1998-03-18 1999-06-23 陈晓军 Full sealing type single direction valve for cooking fume remover
CN201090800Y (en) * 2007-10-09 2008-07-23 鲍志平 Induced-draft fan back valve with magnetic force attracting apparatus
CN201190817Y (en) * 2008-04-24 2009-02-04 南京朗诗置业股份有限公司 Magnetic check valve
CN101539215A (en) * 2009-05-05 2009-09-23 海宪华 Novel flue check valve
CN201412567Y (en) * 2009-06-05 2010-02-24 张秀萍 Smoke exhaustion check valve main body structure
CN101881476A (en) * 2010-06-22 2010-11-10 宁波方太厨具有限公司 Air outlet device used for range hood
CN102252359A (en) * 2011-08-04 2011-11-23 宁波方太厨具有限公司 Air discharging cover for range hood
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
CN203052773U (en) * 2012-10-30 2013-07-10 宁波方太厨具有限公司 Air outlet housing of smoke exhaust ventilator

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