CN102252358B - Air outlet hood for range hood - Google Patents
Air outlet hood for range hood Download PDFInfo
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- CN102252358B CN102252358B CN 201110223049 CN201110223049A CN102252358B CN 102252358 B CN102252358 B CN 102252358B CN 201110223049 CN201110223049 CN 201110223049 CN 201110223049 A CN201110223049 A CN 201110223049A CN 102252358 B CN102252358 B CN 102252358B
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- return
- rotating shaft
- valve block
- outlet housing
- check
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Abstract
The invention discloses an air outlet hood for a range hood. The air outlet hood comprises a hood body and a check valve plate assembly arranged in the hood body. The air outlet hood is characterized in that: the check valve plate assembly comprises an integrally formed circular check valve plate; the middle part of the check valve plate is equipped with axle hole, and the lower surface of the check valve plate is symmetrically provided with connecting grooves relatively with the axle hole which are thinner than the peripheral part; and the periphery of the check valve plate is jointed with the inside wall line plane of the hood body. Moreover, the air outlet hood can be provided with an anti-sticking driving device, so that the air outlet hood can prevent reverse smoke and sticking and ensure normal operation of the range hood.
Description
Technical field
The present invention relates to a kind of outlet housing that is used for lampblack absorber, especially a kind ofly can prevent down cigarette and antiseized lampblack absorber outlet housing.
Background technology
Each kitchen, family mist extractor outlet of building resident all is a discharge flue that is communicated with up/down perforation now, in order to prevent return of smoke and smell, generally all is at the outlet of smoke exhaust check valve to be installed.
At present commonly used have two kinds of check (non-return) valves, a kind of is the monolithic valve board structure, a hinged monolithic valve plate on the seal of valve seat, monolithic valve plate when lampblack absorber is not worked on the seal is closed, thereby stoped converse oil smoke or smell in the common flue, yet, use this monolithic valve board structure to have following shortcoming: when lampblack absorber is worked, valve plate can not be opened fully, and the air draft of lampblack absorber is caused resistance; When flue negative pressure was big, valve plate was closed slowly, fits badly, and influences sealing effectiveness.
Another kind is the bivalve plate structure, by the common shaft of winding in the middle of outlet housing or different rotating shaft rotations, open or close check (non-return) valve, yet use this bivalve plate structure, two middle connecting portions of valve plate can't be accomplished driving fit completely, and there is the slit in the centre, valve plate particularly commonly used at present generally adopts plastics to make, when distortion was big, the slit was bigger, can't prevent down cigarette effectively.
Summary of the invention
Technical problem to be solved by this invention provides a kind of outlet housing that is used for lampblack absorber, can provide reliable sealing to prevent down cigarette.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of outlet housing that is used for lampblack absorber, comprise cover body and be arranged on the interior check (non-return) valve chip module of described cover body, it is characterized in that, described check (non-return) valve chip module comprises the non-return valve block of integrated circle, the centre of described non-return valve block is provided with axis hole, the described relatively axis hole of the lower surface of described non-return valve block is arranged with the connection groove thinner than peripheral position, and the madial wall line face of the periphery of described non-return valve block and described cover body is fitted.
The downward bending of the periphery of described non-return valve block forms the edge, and the corresponding position in the upper edge of described madial wall and described edge is provided with a circle chamfering and fits to realize the line face.Thus, periphery that the check (non-return) valve chip module combines with cover body and centre are all realized seamless, can prevent down cigarette effectively.
Described edge is formed by the downward bending triangular in shape of the periphery of described non-return valve block, and described chamfering is formed on the inner surface at described edge and fits with described leg-of-mutton top line face, makes that contact-making surface is minimum and helps non-return valve block and open thereby do like this.
Fixedly be equipped with fixed axis in the described axis hole, the two ends of described fixed axis are fixed in the installing hole on the described madial wall, and the described relatively axis hole symmetry of described connection groove can realize the stationary positioned of the relative cover body of check (non-return) valve chip module.
In order to make the check (non-return) valve blade very scrape, upset does not influence exhaust when opening, and described non-return valve block is the seamless thin catch that is pasted with rigidity on the check (non-return) valve blade of described connection groove both sides.
The described cover body outside is provided with and is used for antiseized drive unit.Optionally, this drive unit can be electronic, also can be mechanical, in the present invention, selects electronic drive unit for use, opens difficulty to be stained with greasy dirt on the check (non-return) valve blade after avoiding lampblack absorber to use for a long time.
Described drive unit comprises magnetic valve and rotating shaft, the lower end of the energising axle of described magnetic valve is connected on the middle end of rotating shaft sheet away from described non-return valve block of described rotating shaft, also be provided with back-moving spring between described magnetic valve and the described rotating shaft sheet, the both sides of the end that described rotating shaft is adjacent with described non-return valve block are provided with the rotating shaft arm of horizontal expansion, and described rotating shaft arm is positioned at described check (non-return) valve blade below.
Described rotating shaft arm is provided with the contact that raises up, and corresponding position is provided with protuberance on the described catch, can be easily with check (non-return) valve blade jack-up.
Compared with prior art, the invention has the advantages that: non-return valve block can be one-body molded, make simple, seamless between two blades, and periphery and cover body also adopt seamless line face to fit, make that not only the sealing of outlet housing is reliable, can prevent down cigarette effectively, also convenient opening of non-return valve block; Because non-return valve block only needs a fixed axis can be fixed in the cover body, it is convenient more to need two rotating shafts to install for fixing with respect to double valve sheet; Electronic drive unit is set outside cover body, can avoids lampblack absorber to use for a long time and cause being stained with on the check (non-return) valve blade greasy dirt opening difficult hidden danger, guaranteed the operate as normal of lampblack absorber.
Description of drawings
Fig. 1 is the perspective view of outlet housing of the present invention;
Fig. 2 is the decomposition texture schematic diagram of check (non-return) valve chip module of the present invention;
Fig. 3 is the partial enlarged drawing of check (non-return) valve chip module of the present invention and cover body junction;
Fig. 4 is the schematic diagram that check (non-return) valve chip module of the present invention is connected with drive unit.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, a kind of outlet housing that is used for lampblack absorber comprises cover body 1, is located at the check (non-return) valve chip module 2 in the cover body 1 and is located at cover body 1 drive unit 3 outward.
Check (non-return) valve chip module 2 comprises non-return valve block 21 and catch 22, and the circular piece that non-return valve block 21 is formed in one is preferred, adopts rubber to make.The downward bending of the periphery of non-return valve block 21 forms edge 211, covers in the upper edge of the madial wall 11 of cover body 1, with the complete closed air outlet.This edge 211 can be as shown in Figure 3, and preferably downward bending triangular in shape forms.The position that the upper edge of madial wall 11 contacts with non-return valve block 21 forms a circle chamfering 112, can be formed on inner surface, outer surface or the inside and outside surface at edge 211 all has, preferably as shown in Figure 3, chamfering 112 is formed on the inner surface at edge 211, fit with the apex line face at edge 211, thereby both form minimum contact-making surface and are difficult for adhesion, make non-return valve block 21 be easy to open.
The centre of non-return valve block 21 is provided with axis hole 212, in being located in regularly for fixed axis 4.The two ends of fixed axis 4 are located in the installing hole 111 on the madial wall 11 of cover body 1, thus to check (non-return) valve chip module 2 stationary positioned.The relative axis hole 212 of non-return valve block 21 lower surfaces is provided with symmetrically and connects groove 213, and preferred, connecting groove 213 is U-shaped.Connect groove 213 and make this place form the thin-walled thinner, thereby making the semicircular check (non-return) valve blade 214 on non-return valve block 21 both sides make progress herein to overturn opens or reset than peripheral position.Because non-return valve block 21 is one-body molded, seamless in the middle of two check (non-return) valve blades 214, make that sealing is comparatively reliable.Non-return valve block 21 edges and middle sealing state prevent down cigarette and taint of odour effectively.
Because the check (non-return) valve blade 214 that rubber is made does not have rigidity, very not scraping when digging to influence exhaust, then need be stained with a catch 22 respectively on check (non-return) valve blade 214, also still constitute simultaneously seamless state, catch 22 is thin sheet metal, and is preferred, made by iraurite.
Cover body 1 outside is equipped with the drive unit 3 that drives check (non-return) valve chip module 2, and after preventing the long-term use of outlet housing, check (non-return) valve chip module 2 is stained with more greasy dirt and causes and open difficulty, and influence is normally used.Referring to Fig. 4, drive unit 3 comprises magnetic valve 31, is connected to the lower end preferred vertical of the energising axle 311 of magnetic valve 31 on the end of rotating shaft sheet 331 away from non-return valve block 21 of rotating shaft 33 centres, also is provided with back-moving spring 32 between magnetic valve 31 and the rotating shaft sheet 331.The both sides of the end that rotating shaft 33 and non-return valve block 21 are adjacent are provided with the rotating shaft arm 332 of horizontal expansion, be positioned at check (non-return) valve blade 214 belows, in order to make rotating shaft arm 332 jack-up check (non-return) valve blade 214 easily, rotating shaft arm 332 is provided with the contact 333 that raises up, and corresponding position is provided with protuberance 215 on the catch 22.
The principle of the present invention and the course of work are as follows:
When lampblack absorber was worked, check (non-return) valve blade 214 was owing to the inside and outside pressure differential of outlet housing is opened; When lampblack absorber quit work, check (non-return) valve blade 214 relied on deadweight and resets, and working method and existing bivalve plate check (non-return) valve are similar.In order to prevent to exist check (non-return) valve chip module 2 to open the hidden danger of difficulty after long-time the use, also can when working, lampblack absorber make drive unit 3 energisings, the energising axle 311 of magnetic valve 31 down moves, stretching back-moving spring 32 also drives rotating shaft sheet 331 1 ends and moves downward, make the rotating shaft arm 332 of the other end just move upward to opposite direction, contact 333 top protuberance 215 upwards thus with the blade 214 of non-return valve block 21 jack-up upwards, helps blade 214 upsets; When lampblack absorber is closed, magnetic valve 31 power-off restorations, rotating shaft 33 resets under the effect of back-moving spring 32, and blade 214 resets thus, closes outlet housing, prevents down cigarette and taint of odour.
The above is a preferred implementation of the present invention only, should be pointed out that for the ordinary skill in the art, not breaking away under the principle prerequisite of the present invention, can also make various deformation and improvement, and this also should be considered as protection scope of the present invention.
Claims (8)
1. outlet housing that is used for lampblack absorber, comprise cover body (1) and be arranged on the interior check (non-return) valve chip module (2) of described cover body (1), it is characterized in that, described check (non-return) valve chip module (2) comprises the non-return valve block of integrated circle (21), the centre of described non-return valve block (21) is provided with axis hole (212), the described relatively axis hole of the lower surface of described non-return valve block (21) (212) is arranged with the connection groove (213) thinner than peripheral position, and madial wall (11) the line face of the periphery of described non-return valve block (21) and described cover body (1) is fitted.
2. outlet housing as claimed in claim 1, it is characterized in that, the downward bending of the periphery of described non-return valve block (21) forms edge (211), and the corresponding position in the upper edge of described madial wall (11) and described edge (211) is provided with a circle chamfering (112) and fits to realize the line face.
3. outlet housing as claimed in claim 2, it is characterized in that, described edge (211) is formed by the downward bending triangular in shape of the periphery of described non-return valve block (21), and described chamfering (112) is formed on the inner surface at described edge (211) and fits with described leg-of-mutton top line face.
4. outlet housing as claimed in claim 1, it is characterized in that, fixedly be equipped with fixed axis (4) in the described axis hole (212), the two ends of described fixed axis (4) are fixed in the installing hole (111) on the described madial wall (11), the described relatively axis hole of described connection groove (213) (212) symmetry.
5. outlet housing as claimed in claim 1 is characterized in that, described non-return valve block (21) is gone up the seamless thin catch (22) that is pasted with rigidity at the check (non-return) valve blade (214) of described connection groove (213) both sides.
6. as outlet housing as described in each among the claim 1-5, it is characterized in that described cover body (1) outside is provided with and is used for antiseized drive unit (3).
7. outlet housing as claimed in claim 6, it is characterized in that, described drive unit (3) comprises magnetic valve (31) and rotating shaft (33), the lower end of the energising axle (311) of described magnetic valve (31) is connected on the middle end of rotating shaft sheet (331) away from described non-return valve block (21) of described rotating shaft (33), also be provided with back-moving spring (32) between described magnetic valve (31) and the described rotating shaft sheet (331), the both sides of the end that described rotating shaft (33) is adjacent with described non-return valve block (21) are provided with the rotating shaft arm (332) of horizontal expansion, and described rotating shaft arm (332) is positioned at described check (non-return) valve blade (214) below.
8. outlet housing as claimed in claim 7 is characterized in that, described rotating shaft arm (332) is provided with the contact (333) that raises up, and described catch (22) is gone up corresponding position and is provided with protuberance (215).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110223049 CN102252358B (en) | 2011-08-03 | 2011-08-03 | Air outlet hood for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110223049 CN102252358B (en) | 2011-08-03 | 2011-08-03 | Air outlet hood for range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102252358A CN102252358A (en) | 2011-11-23 |
| CN102252358B true CN102252358B (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110223049 Active CN102252358B (en) | 2011-08-03 | 2011-08-03 | Air outlet hood for range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102252358B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734853B (en) * | 2012-05-25 | 2015-11-25 | 李栋 | With the reverse-filling smoke exhaust of ball pressurization |
| CN103574722B (en) * | 2013-11-05 | 2017-02-08 | 广东超人节能厨卫电器有限公司 | Electromagnetic-sucking sealed type smoke-inversion-preventing extractor hood |
| CN113447643B (en) * | 2021-07-06 | 2022-09-23 | 中国科学技术大学 | Cotton fiber storage propeller |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537988A (en) * | 1995-08-21 | 1996-07-23 | Sung-Lin Huang | Grease guiding tray for a kitchen ventilator |
| CN1391066A (en) * | 2002-07-01 | 2003-01-15 | 宁波方太厨具有限公司 | Air discharging cover for oil soot exhauster |
| CN2704709Y (en) * | 2003-09-11 | 2005-06-15 | 夏志生 | Counter arrested air exhausting joints |
| CN201202852Y (en) * | 2008-06-19 | 2009-03-04 | 毛育敏 | Electric check valve for cooking fume exhauster air outlet |
| CN201539910U (en) * | 2009-11-09 | 2010-08-04 | 浙江苏泊尔家电制造有限公司 | Return air preventive air outlet base of range hood |
| 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 |
| CN202209715U (en) * | 2011-08-03 | 2012-05-02 | 宁波方太厨具有限公司 | Air outlet housing for range hood |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3388167B2 (en) * | 1997-12-29 | 2003-03-17 | ヤマハリビングテック株式会社 | Range food |
-
2011
- 2011-08-03 CN CN 201110223049 patent/CN102252358B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537988A (en) * | 1995-08-21 | 1996-07-23 | Sung-Lin Huang | Grease guiding tray for a kitchen ventilator |
| CN1391066A (en) * | 2002-07-01 | 2003-01-15 | 宁波方太厨具有限公司 | Air discharging cover for oil soot exhauster |
| CN2704709Y (en) * | 2003-09-11 | 2005-06-15 | 夏志生 | Counter arrested air exhausting joints |
| CN201202852Y (en) * | 2008-06-19 | 2009-03-04 | 毛育敏 | Electric check valve for cooking fume exhauster air outlet |
| CN201539910U (en) * | 2009-11-09 | 2010-08-04 | 浙江苏泊尔家电制造有限公司 | Return air preventive air outlet base of range hood |
| 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 |
| CN202209715U (en) * | 2011-08-03 | 2012-05-02 | 宁波方太厨具有限公司 | Air outlet housing for range hood |
Non-Patent Citations (1)
| Title |
|---|
| JP特開平11-193947A 1999.07.21 |
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| Publication number | Publication date |
|---|---|
| CN102252358A (en) | 2011-11-23 |
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