CN102913973A - Range hood outlet housing capable of assisting in quickly opening valve plates - Google Patents
Range hood outlet housing capable of assisting in quickly opening valve plates Download PDFInfo
- Publication number
- CN102913973A CN102913973A CN2012104238984A CN201210423898A CN102913973A CN 102913973 A CN102913973 A CN 102913973A CN 2012104238984 A CN2012104238984 A CN 2012104238984A CN 201210423898 A CN201210423898 A CN 201210423898A CN 102913973 A CN102913973 A CN 102913973A
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- valve block
- rotating shaft
- guide post
- outlet housing
- valve plates
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Abstract
A range hood outlet housing capable of assisting in quickly opening valve plates comprises a housing body and a valve plate component arranged at an air outlet of the housing body, wherein the valve plate component a rotating shaft and two valve plates; the rotating shaft is arranged along a symmetry axis of the air outlet; the two symmetrical valve plates are hinged on the rotating shaft; the total area of the two valve plates is matched with that of the air outlet; and the two valve plates can rotate around the rotating shaft to open or close the air outlet. The range hood outlet housing capable of assisting in quickly opening the valve plates is characterized in that an opening device capable of assisting in quickly and synchronously opening or closing the two valve plates is arranged below the valve plate component. The range hood outlet housing capable of assisting in quickly opening the valve plates can interact with the airflow to assist in opening the valve plates, can open or close the two valve plates simultaneously, can quickly open the valve plates and maintain an air flue unblocked and can open the two valve plates simultaneously and guarantee smooth exhausting so as to guarantee the lampblack absorbing effect of the range hood and reduce the noise of the range hood.
Description
Technical field
The present invention relates to a kind of outlet housing of lampblack absorber, particularly relate to a kind of lampblack absorber outlet housing that can assist the valve block fast open to open.
Background technology
Used in the building that now family lives generally all is common flue, the oil smoke that the range hood of every household is discharged is discharged from the dwelling house top after range hood enters common flue, if air outlet for kitchen ventilator 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 that oil smoke is expelled to common flue usually when lampblack absorber uses, valve block is also closed when lampblack absorber is closed, and prevents that the oil smoke in the common flue from pouring in down a chimney.Non-return valve block in the common outlet housing is the double valve sheet structure.
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 from 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 first, 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.So the valve block of lampblack absorber outlet housing now usually can occur owing to the oil smoke adhesion is difficult to open, unlatching is bad and two valve blocks are not the situations of opening simultaneously.
Such as the disclosed a kind of lampblack absorber check (non-return) valve of Chinese patent Granted publication CN202158233U, comprise valve shell and the valve block that is formed by the first valve block and the second valve block, described the first valve block and the second valve block are fixed with the first rotating shaft and the second rotating shaft respectively, described the first rotating shaft is fixedly connected with the first gear and the second gear on the position corresponding with the second rotating shaft, the first gear and the engagement of the second gear can be so that two valve blocks of valve body link to guarantee the normal operation of lampblack absorber.Although increased the structure that can make two valve block interlocks in this structure, two simultaneously opening and closing of valve block, but because the effect of valve block edge oil smoke adhesion, and gear movement needs the cause of larger power, use the resistance of long afterwards two required unlatchings of valve block constantly to increase, thus may cause the outlet housing valve body can't open or open bad.
China Patent Publication No. 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 large 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 respectively two valve blocks, the respectively unlatching of auxiliary two valve blocks, if open first 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, although 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.
Summary of the invention
Technical problem to be solved by this invention is the lampblack absorber outlet housing that can make two valve blocks keep simultaneously interlock to open and close.
The present invention solves the problems of the technologies described above the technical scheme that adopts: the outlet housing of the lampblack absorber that a kind of auxiliary valve block fast open opens, 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 auxiliary these two opening devices that valve block is opened or closed fast and synchronously.
Preferably, the sliding part that described opening device comprises that guide post that the below of rotating shaft arranges straight down is arranged on the guide post and can slide up and down along guide post, one end of two connecting rods is hinged on the sliding part, the other end is hinged on respectively on the lower surface of valve block, and described sliding part can be opened with the auxiliary described valve block of air-flow effect.
Preferably, described guide post is one, arranges straight down at the center of described rotating shaft.
Preferably, open for auxiliary this valve block, described sliding part is a umbrella sliding shoe, and its concave surface arranges downwards.
For anti-skidding spare skids off downwards in this guide post, the bottom of this guide post is provided with the limited block that an anti-skidding spare skids off this guide post downwards.
For better guiding oil smoke, 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.
For the circumferential rotation of anti-skidding spare when guide post moves, the cross section of described guide post is a polygon or irregularly shaped.
Compared with prior art, the invention has the advantages that the outlet housing of the lampblack absorber that this auxiliary valve block fast open opens, its sliding part not only can play the effect that auxiliary valve block is opened with airflow function, and can make two valve blocks open simultaneously or close; Valve block can be opened fast keep the unimpeded of air channel, and can open simultaneously the common of two valve blocks assurance air drafts, guarantee the smoke absorption effect of lampblack absorber, reduce the noise of lampblack absorber.
Description of drawings
Fig. 1 is the schematic perspective view (valve block closed condition) of outlet housing of the present invention.
Fig. 2 is the schematic perspective view (valve block closed condition, remove portion cover body) of outlet housing of the present invention.
Fig. 3 is the schematic perspective view (valve block is opened partial status) of outlet housing of the present invention.
Fig. 4 is the schematic perspective view (valve block is opened partial status, the remove portion cover body) of outlet housing of the present invention.
Fig. 5 is the cutaway view of outlet housing of the present invention.
Fig. 6 is the schematic perspective view (valve block closed condition, remove portion cover body) of the outlet housing of the another kind of embodiment of the present invention.
Fig. 7 is the cutaway view of the outlet housing 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.
Shown in Fig. 1-5, lampblack absorber outlet housing of the present invention, 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 is provided with the opening device of the quick and synchronous opening and closing of auxiliary this valve block 3.This opening device 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 umbrella sliding shoe 52 that is arranged on this guide post 51 and can moves up and down along this guide post 51, the concave surface of this umbrella sliding shoe 52 arranges downwards, one end of two connecting rods 53 is hinged on the umbrella sliding shoe 52, and the other end is hinged on respectively on the lower surface of two valve blocks 3.Therefore, when the wherein a slice in two valve blocks 3 is upwards rotated owing to the wind-force unlatching of oil smoke, because the induced effect of connecting rod 53 and umbrella sliding shoe 52, another sheet also can link and open simultaneously, it also is same principle when closing, and this umbrella sliding shoe 52 can make when having air-flow to pass through in the air flue, airflow function is on the concave surface of umbrella sliding shoe 52, this umbrella sliding shoe 52 is risen along guide post 51 fast, therefore singly be not that the power that acts on the valve block 3 just can make valve block 3 open, this umbrella sliding shoe 52 has played the effect that auxiliary valve block fast open opens.Therefore, opening and closing when this outlet housing can be realized two valve blocks 3, prevent that the situation that can not open or can not open simultaneously owing to the oil smoke adhesion between valve block and the cover body from occuring, and umbrella sliding shoe 52 has played the effect that auxiliary valve block fast open opens.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, so that valve block 3 is when opening fully, umbrella sliding shoe 52 is positioned at the top of guide post 51, valve block 3 is when closing fully, and umbrella 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, can adopt other sliding part to replace this umbrella sliding shoe 52, this sliding part is umbrella sliding shoe 52 not necessarily also, can be the sliding part of other shapes also, as have a recessed prone erose sliding shoe, or one has sliding shoe of a plurality of recessed prone irregular or regular shapes etc., as long as its can with the air-flow effect, play the effect that auxiliary valve block opens and get final product.
And, those skilled in the art also can recognize, this guide post 51 also not necessarily as be arranged on as described in the above-mentioned embodiment rotating shaft 2 in the middle of the below only have one, also can be below rotating shaft 2 many of vertically arranging in interval, on every guide post 51, umbrella sliding shoe 52 is set respectively and connecting rod 53 gets final product.And in order to prevent that umbrella sliding shoe 52 from carrying out circumferential rotation when guide post 51 moves up and down, the cross section of this guide post 51 is a polygon or irregularly shaped.
Shown in Fig. 6,7, be the another kind of preferred embodiment of outlet housing of the present invention, the miscellaneous part among this embodiment is all the same with above-described embodiment, and different is, the bottom of this guide post 51 is provided with a limited block 54, and this limited block can prevent that umbrella sliding shoe 52 from skidding off this guide post 51 downwards.
This can assist the outlet housing of the lampblack absorber that the valve block fast open opens, and its sliding part not only can play the effect that auxiliary valve block is opened with airflow function, and can make two valve blocks open simultaneously or close; Valve block can be opened fast keep the unimpeded of air channel, and can open simultaneously the common of two valve blocks assurance air drafts, guarantee the smoke absorption effect of lampblack absorber, reduce the noise of lampblack absorber.
Claims (7)
1. the outlet housing of the lampblack absorber that opens of an auxiliary valve block fast open, 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 opening device that auxiliary these two valve blocks (3) are opened or closed fast and synchronously.
2. the outlet housing of lampblack absorber as claimed in claim 1, it is characterized in that: described opening device comprises the guide post (51) that the below of rotating shaft (2) arranges straight down, be arranged on the sliding part that guide post (51) is upper and can slide up and down along guide post (51), one end of two connecting rods (53) is hinged on the sliding part, the other end is hinged on respectively on the lower surface of valve block (3), and described sliding part can be opened with the auxiliary described valve block (3) of air-flow effect.
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 at the center of described rotating shaft (2).
4. the outlet housing of lampblack absorber as claimed in claim 2 or claim 3, it is characterized in that: described sliding part is a umbrella sliding shoe (52), and its concave surface arranges downwards.
5. the outlet housing of lampblack absorber as claimed in claim 2 or claim 3, it is characterized in that: the bottom of this guide post (51) is provided with the limited block (54) that an anti-skidding spare skids off this guide post (51) downwards.
6. such as the outlet housing of each described lampblack absorber of claim 1-3, 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).
7. the outlet housing of lampblack absorber as claimed in claim 2 or claim 3, it is characterized in that: the cross section of described guide post (51) is a polygon or irregularly shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423898.4A CN102913973B (en) | 2012-10-30 | 2012-10-30 | Range hood outlet housing capable of assisting in quickly opening valve plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210423898.4A CN102913973B (en) | 2012-10-30 | 2012-10-30 | Range hood outlet housing capable of assisting in quickly opening valve plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102913973A true CN102913973A (en) | 2013-02-06 |
| CN102913973B CN102913973B (en) | 2015-06-03 |
Family
ID=47612457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210423898.4A Active CN102913973B (en) | 2012-10-30 | 2012-10-30 | Range hood outlet housing capable of assisting in quickly opening valve plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102913973B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949165A (en) * | 2015-07-16 | 2015-09-30 | 珠海格力电器股份有限公司 | Anti-backfire gas stove |
| CN110285454A (en) * | 2019-06-04 | 2019-09-27 | 华帝股份有限公司 | Smoke exhaust system of range hood |
| CN113294822A (en) * | 2021-06-04 | 2021-08-24 | 广东万家乐燃气具有限公司 | Method for detecting smoke absorption effect of range hood |
Citations (6)
| 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 |
| CN201190817Y (en) * | 2008-04-24 | 2009-02-04 | 南京朗诗置业股份有限公司 | Magnetic check valve |
| 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 |
| CN202158233U (en) * | 2011-07-12 | 2012-03-07 | 宁波方太厨具有限公司 | Check valve of range hood |
| CN102620014A (en) * | 2012-03-16 | 2012-08-01 | 王启定 | Anti-freezing back valve for smoke pipe of gas water heater |
| CN203082966U (en) * | 2012-10-30 | 2013-07-24 | 宁波方太厨具有限公司 | Range hood air outlet cover capable of assisting in quick opening of valve plates |
-
2012
- 2012-10-30 CN CN201210423898.4A patent/CN102913973B/en active Active
Patent Citations (6)
| 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 |
| CN201190817Y (en) * | 2008-04-24 | 2009-02-04 | 南京朗诗置业股份有限公司 | Magnetic check valve |
| 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 |
| CN202158233U (en) * | 2011-07-12 | 2012-03-07 | 宁波方太厨具有限公司 | Check valve of range hood |
| CN102620014A (en) * | 2012-03-16 | 2012-08-01 | 王启定 | Anti-freezing back valve for smoke pipe of gas water heater |
| CN203082966U (en) * | 2012-10-30 | 2013-07-24 | 宁波方太厨具有限公司 | Range hood air outlet cover capable of assisting in quick opening of valve plates |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949165A (en) * | 2015-07-16 | 2015-09-30 | 珠海格力电器股份有限公司 | Anti-backfire gas stove |
| 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 |
| CN110285454A (en) * | 2019-06-04 | 2019-09-27 | 华帝股份有限公司 | Smoke exhaust system of range hood |
| CN113294822A (en) * | 2021-06-04 | 2021-08-24 | 广东万家乐燃气具有限公司 | Method for detecting smoke absorption effect of range hood |
| CN113294822B (en) * | 2021-06-04 | 2023-12-26 | 广东万家乐燃气具有限公司 | Smoke absorbing effect detection method for range hood |
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| Publication number | Publication date |
|---|---|
| CN102913973B (en) | 2015-06-03 |
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