CN203052773U - Air outlet housing of smoke exhaust ventilator - Google Patents
Air outlet housing of smoke exhaust ventilator Download PDFInfo
- Publication number
- CN203052773U CN203052773U CN 201220565107 CN201220565107U CN203052773U CN 203052773 U CN203052773 U CN 203052773U CN 201220565107 CN201220565107 CN 201220565107 CN 201220565107 U CN201220565107 U CN 201220565107U CN 203052773 U CN203052773 U CN 203052773U
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- Prior art keywords
- air outlet
- valve block
- rotating shaft
- outlet housing
- valve
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- Withdrawn - After Issue
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Abstract
The utility model relates to an air outlet housing of a smoke exhaust ventilator. The gas outlet housing comprises a housing body and a valve plate assembly, wherein the valve plate assembly is arranged on the air outlet of the housing body, and the valve plate assembly comprises a rotating shaft and two symmetrical valve plates; the rotating shaft is arranged along the symmetric axis of the air outlet; the two symmetrical valve plates are articulated with the rotating shaft; and the total area of the two valve plates is matched with the area of the air outlet, and the two valve plates can rotate around the rotating shaft to open or close the air outlet. The air outlet housing is characterized in that a linkage assembly which enables the two valve plates to synchronously link is arranged below the valve plate assembly. The air outlet housing of the smoke exhaust ventilator, which is disclosed by the utility model, can effectively prevent the valve plates from being not completely opened or simultaneously opened due to oil smoke adhesion and ensure that the valve plates positioned on the air outlet housing are simultaneously opened or closed, thereby ensuring the oil smoke suction effect of the smoke exhaust ventilator and reducing the noise of the smoke exhaust ventilator.
Description
Technical field
The utility model relates to a kind of outlet housing of lampblack absorber.
Background technology
Used in the building that now family lives generally all is public flue, the oil smoke that the range hood of every household is discharged is discharged from the dwelling house top after range hood enters public flue, if the range hood air outlet is poorly sealed, will cause the user's of lower floor oil smoke in discharge process, to enter the room of upper strata resident family, perhaps when blowing hard or air pressure when low, oil smoke that upper strata resident family discharges also can occur and enter situation in the house from the exhaust outlet of the range hood of resident family of lower floor, produce between the 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, valve block is set in the outlet housing, valve block opens oil smoke to be expelled to public flue usually when lampblack absorber uses, valve block is also closed when lampblack absorber is closed, and prevents that the oil smoke in the public flue from pouring in down a chimney.Non-return valve block in the common outlet housing is the double valve sheet structure, and valve block can unidirectionally be opened towards the outlet housing outside.
Contain greasy dirt in the oil smoke, lampblack absorber uses long afterwards, and greasy dirt is piled up on the valve block easily, cause adhesion between valve block and the housing, and be piled up in greasy dirt on the valve block what depend on the performance of the grease separation of oil smoke amount that lampblack absorber sucks, lampblack absorber itself, the air-out mode of blower fan system, the shape of exhaust passage, the mounting means of discharge pipe, the temperature humidity of external environment etc.So the greasy dirt that is piled up on each valve block is unequal, this has just directly caused valve block different with the adhesion degree of the housing inner ring of outlet housing, suppose that the bonding degree of valve block A and housing inner ring is 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 the moment before opening is maximum, the suffered air pressure of valve block A and valve block B equates, if the valve block B less with housing inner ring bonding degree opens earlier, then the gas pressure intensity moment in the outlet housing significantly reduces, valve block A then is difficult to open again, this has just directly caused the lampblack absorber air draft not smooth, and noise increases phenomenon and occurs.
As the disclosed a kind of smoke evacuation check (non-return) valve agent structure of Chinese patent publication number CN201412567Y, be provided with valve body and baffle plate, be provided with support ring in the valve body, at the support ring top sideboard is set, be connected with back-moving spring on the baffle plate; When opening lampblack absorber, the row of wind of lampblack absorber provides power, blows two baffle plates open, and when lampblack absorber quit work, the screen resilience of back-moving spring made the baffle plate return on the half-turn support ring.Above-mentioned lampblack absorber is when lampblack absorber is opened, if one of them baffle plate is opened in advance, as above principle is described, because pressure reduction reduces in the valve body, causes the another one baffle plate normally not open, this moment, lampblack absorber reduced owing to air-out area, caused oil suction cigarette deleterious, and noise increases.When lampblack absorber is closed, because external resistance is inhomogeneous, cause one of them baffle plate to be closed in advance, this moment, two baffle plate angles enlarged, spring force reduces, and causes this spring force that another baffle plate is normally closed, and this moment is because poorly sealed, to cause the oil smoke in the flue to seal in the user kitchen, influence kitchen environment.
The Chinese patent publication number is that the prior art of CN102353083A discloses a kind of outlet housing structure, this structure is by having added permanent magnet and magnetisable material at the valve block edge, by with the adhesive of electromagnet, increase the sealing effectiveness under the closed condition, again by with the repulsion of electromagnet, assist valve block to open.But the electromagnet cost is big in this structure, complex structure, calutron damages in oil pollution environment easily, 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 open earlier with the valve block that the case bonding degree is less, then the gas pressure intensity moment in the outlet housing significantly reduces, another valve block also is difficult to open again, though present technique has increased the structure of assisting in opening valve block, but two valve blocks are not synchronous unlatching, then still exist the hidden danger that a slice valve block is not wherein opened.
The utility model content
Technical problem to be solved in the utility model is the lampblack absorber outlet housing that can make two valve blocks keep interlock simultaneously to open and close.
The utility model solves the problems of the technologies described above the technical scheme that adopts: 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 arranges along the symmetry axis of air outlet, and the valve block that is hinged on two symmetries in the rotating shaft, the gross area of described two valve blocks and air outlet are complementary and valve block Unscrew or close described air outlet around the shaft, and it is characterized in that: the below of described valve block assembly is provided with the linkage unit that makes these two valve block synchronous interactions.
Preferably, described linkage unit comprises at least one guide post that the rotating shaft below vertically arranges, the sliding shoe that is arranged on the guide post and can slides up and down along guide post, an end of two connecting rods is hinged on the sliding shoe, and the other end is hinged on respectively on the lower surface of valve block.
Preferably, described guide post is one, arranges straight down in the centre of rotating shaft.
Tighter when this valve block is closed, the bottom of described guide post is provided with magnet, and described sliding shoe has magnetic.
For the oil smoke that leads better, the below of described rotating shaft is provided with the wind guide strip that extends 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, advantage of the present utility model is the outlet housing of this lampblack absorber, can prevent effectively that not only the valve block that the oil smoke adhesion causes from can not open fully or can not open simultaneously, can make the valve block on the outlet housing open simultaneously or close, guaranteed lampblack absorber oil suction cigarette effect, reduced the noise of lampblack absorber, and the use of the sliding shoe of magnet and magnetic can make this valve block close down in off position ground tighter, prevent that the oil smoke in the external world did not pour in down a chimney when lampblack absorber from not working.
Description of drawings
Fig. 1 is the schematic perspective view (valve block closed condition) of the utility model lampblack absorber outlet housing.
Fig. 2 is the part schematic diagram (the valve block closed condition is removed the part cover body) of the utility model lampblack absorber outlet housing.
Fig. 3 is the schematic perspective view (valve block is opened partial status) of the utility model lampblack absorber outlet housing.
Fig. 4 is the part schematic diagram (valve block is opened partial status, removes the part cover body) of the utility model lampblack absorber outlet housing.
Fig. 5 is the cutaway view of the utility model lampblack absorber outlet housing.
Fig. 6 is the cutaway view of the outlet housing of the another kind of embodiment of the utility model.
The specific embodiment
Describe in further detail below in conjunction with the utility model of accompanying drawing embodiment.
Shown in Fig. 1-5, lampblack absorber outlet housing of the present utility model, comprise cover body 1, and the valve block assembly that is arranged on cover body 1 air outlet 11 places, this valve block assembly comprises along the rotating shaft 2 of the symmetry axis horizontally set of air outlet 11, and the gross area and the air outlet 11 that are hinged on 3, two valve blocks 3 of valve block of two symmetries in the rotating shaft 2 be complementary, and these two valve blocks 3 are this air outlet 11 of 2 Unscrews or close this air outlet 11 around the shaft.And the edge of two valve blocks 3 is shelved on the inner ring of cover body 1.
The below of rotating shaft 2 also is provided with the wind guide strip 4 that extends in the same way with rotating shaft 2, is used for the guiding oil smoke and discharges from air outlet 11.The below of valve block assembly, be provided with the linkage unit that makes these valve block 3 synchronous interactions, this linkage unit comprises the guide post 51 that the centre that is positioned at this wind guide strip 4 and rotating shaft 2 is provided with straight down, the sliding shoe 52 that is arranged on this guide post 51 and can moves up and down along this guide post 51, one end of two connecting rods 53 is hinged on the sliding shoe 52, and the other end is hinged on respectively on the lower surface of two valve blocks 3.Therefore, because the wind-force of oil smoke is opened when upwards rotating, because the induced effect of connecting rod 53 and sliding shoe 52, another sheet also can link and open simultaneously, also is that same principle can realize close synchronously when closing when the wherein a slice in two valve blocks 3.Opening and closing when therefore can realize two valve blocks 3 prevent between valve block 3 and the cover body 1 because oil smoke adhesion and valve block can not be opened or the situation generation that can not open simultaneously.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 fully, sliding shoe 52 is positioned at the top of guide post 51, valve block 3 is when closing fully, and sliding shoe 52 does not glide and emerges in the bottom of guide post 51.The user can arrange as required, guarantees that the length of guide post 51 and the link position of connecting rod 53 can make valve block 3 open and close fully.
And, those skilled in the art also can recognize, not necessarily will be as mentioned above, a guide post 51 straight down only is set, can be provided with the many guide posts 51 that arrange at interval below rotating shaft 2, be equipped with sliding shoe 52 and connecting rod 53 on the every guide post 51, connecting rod 53 connects the different parts of valve block 3 simultaneously, apply power can be simultaneously for valve block 3 different positions and drive the opening and closing of valve block 3
As shown in Figure 6, be another embodiment of the utility model outlet housing, among this embodiment, other structures are all same as the previously described embodiments, and different is that sliding shoe 52 ' adopts the magnetic material, guide post 51 ' employing 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 magnet 54 phase adhesives, can keep valve block 3 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 the sliding shoe 52 ' also can be adjusted, make when lampblack absorber uses, as long as there is certain air quantity in the air channel, the pressure of wind can overcome the suction between magnet 54 and the sliding shoe 52 ', so that valve block 3 is opened.Therefore, such outlet housing can guarantee that not only two valve blocks 3 open or close to guarantee the operate as normal of lampblack absorber simultaneously, can prevent that oil smoke from pouring in down a chimney when lampblack absorber is not worked again, guarantees the tight closing of valve block 3.
The outlet housing of this lampblack absorber, can prevent effectively that not only the valve block that the oil smoke adhesion causes from can not open fully or can not open simultaneously, can make the valve block on the outlet housing open simultaneously or close, guaranteed lampblack absorber oil suction cigarette effect, reduced the noise of lampblack absorber, and the use of the sliding shoe of magnet and magnetic can make this valve block close down in off position ground tighter, prevent that the oil smoke in the external world did not pour in down a chimney when lampblack absorber from not working.
Claims (5)
1. the outlet housing of a lampblack absorber, comprise cover body (1), be arranged on the valve block assembly that cover body (1) air outlet (11) is located, described valve block assembly comprises the rotating shaft (2) that arranges along the symmetry axis of air outlet (11), and the valve block (3) that is hinged on two symmetries in the rotating shaft (2), the gross area of described two valve blocks (3) and air outlet (2) are complementary and valve block (3) (2) Unscrew or close described air outlet (11) around the shaft, and it is characterized in that: the below of described valve block assembly is provided with the linkage unit that makes this two valve blocks (3) synchronous interaction.
2. the outlet housing of lampblack absorber as claimed in claim 1, it is characterized in that: described linkage unit comprises at least one guide post (51) that rotating shaft (2) below vertically arranges, the sliding shoe (52) that is arranged on that guide post (51) is gone up and can slides up and down along guide post (51), one end of two connecting rods (53) is hinged on the sliding shoe (52), and the other end is hinged on respectively on the lower surface of valve block (3).
3. the outlet housing of lampblack absorber as claimed in claim 2, it is characterized in that: described guide post (51) is one, arranges straight down in the centre of rotating shaft (2).
4. as the outlet housing of claim 2 or 3 described lampblack absorbers, it is characterized in that: the bottom of described guide post (51) is provided with magnet (54), and described sliding shoe (52) has magnetic.
5. as the outlet housing of each described lampblack absorber of claim 2-3, it is characterized in that: the below of described rotating shaft (2) is provided with the wind guide strip (4) that extends in the same way with rotating shaft (2), and described guide post (51) is arranged on the below of described wind guide strip (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220565107 CN203052773U (en) | 2012-10-30 | 2012-10-30 | Air outlet housing of smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220565107 CN203052773U (en) | 2012-10-30 | 2012-10-30 | Air outlet housing of smoke exhaust ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203052773U true CN203052773U (en) | 2013-07-10 |
Family
ID=48735720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220565107 Withdrawn - After Issue CN203052773U (en) | 2012-10-30 | 2012-10-30 | Air outlet housing of smoke exhaust ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203052773U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927600A (en) * | 2012-10-30 | 2013-02-13 | 宁波方太厨具有限公司 | Air outlet housing of range hood |
| CN105370930A (en) * | 2015-11-09 | 2016-03-02 | 张金荣 | Magnetic reset flue check valve |
| CN106642244A (en) * | 2016-09-30 | 2017-05-10 | 宁波方太厨具有限公司 | Backdraught-resistant air-out shield used for extractor hood |
| CN108662213A (en) * | 2018-06-26 | 2018-10-16 | 珠海格力电器股份有限公司 | Check valve and ventilation equipment thereof |
| CN111434995A (en) * | 2019-01-11 | 2020-07-21 | 宁波方太厨具有限公司 | Oil smoke buffer mechanism for range hood |
-
2012
- 2012-10-30 CN CN 201220565107 patent/CN203052773U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927600A (en) * | 2012-10-30 | 2013-02-13 | 宁波方太厨具有限公司 | Air outlet housing of range hood |
| CN102927600B (en) * | 2012-10-30 | 2015-04-15 | 宁波方太厨具有限公司 | Air outlet housing of range hood |
| CN105370930A (en) * | 2015-11-09 | 2016-03-02 | 张金荣 | Magnetic reset flue check valve |
| CN106642244A (en) * | 2016-09-30 | 2017-05-10 | 宁波方太厨具有限公司 | Backdraught-resistant air-out shield used for extractor hood |
| CN106642244B (en) * | 2016-09-30 | 2019-01-08 | 宁波方太厨具有限公司 | A kind of smoke-backflow-proof outlet housing for range hood |
| CN108662213A (en) * | 2018-06-26 | 2018-10-16 | 珠海格力电器股份有限公司 | Check valve and ventilation equipment thereof |
| CN111434995A (en) * | 2019-01-11 | 2020-07-21 | 宁波方太厨具有限公司 | Oil smoke buffer mechanism for range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |