CN102734853A - Ball pressure sealed anti-backflow oil smoke exhauster - Google Patents
Ball pressure sealed anti-backflow oil smoke exhauster Download PDFInfo
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- CN102734853A CN102734853A CN2012101731950A CN201210173195A CN102734853A CN 102734853 A CN102734853 A CN 102734853A CN 2012101731950 A CN2012101731950 A CN 2012101731950A CN 201210173195 A CN201210173195 A CN 201210173195A CN 102734853 A CN102734853 A CN 102734853A
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- Prior art keywords
- seal cover
- rotating shaft
- air outlet
- chimney
- pours
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Abstract
The invention discloses a ball pressure sealed anti-backflow oil smoke exhauster which comprises an air outlet pedestal, two symmetrically installed semicircular seal covers and a limit structure used for controlling open angles of the seal covers, wherein the seal covers are hinged with the air outlet pedestal through a rotating shaft. The oil smoke exhauster is characterized in that the oil smoke exhauster further comprises a plurality of balls, the middle parts of the seal covers are provided with containers for holding the balls, and when the seal covers are sealed, the bottoms of the containers tilt and the bottoms are close to the rotating shaft and at the highest position. There is at least one container which is in the shape of cuboid and is arranged to be perpendicular to the seal covers, and the plurality of balls are arranged in each container. A convex ring is arranged at a place where the seal covers contact with a sealing surface of the air outlet pedestal, and sealing is realized through contact between the bottom surface of the convex ring and the sealing surface of the air outlet pedestal. The ball pressure sealed anti-backflow oil smoke exhauster provided in the invention has the beneficial effects of a good sealing effect, a simple structure, low cost and energy conservation.
Description
Technical field
The present invention relates to a kind ofly anti-pour in down a chimney smoke exhaust, relate in particular to a kind of anti-smoke exhaust that pours in down a chimney with the weight pressurization.
Background technology
Existing house is made higher and higher, big city especially, other shared flue of many families; Other shared flue of tens many families, the anti-problem of pouring in down a chimney of smoke exhaust becomes increasingly conspicuous, and has had a strong impact on people's quality of life; Even harm people's health, why smoke exhaust can pour in down a chimney, and mainly is that seal cover is poorly sealed; Symmetrical two semicircle compositions are stamped in modal sealing in the existing structure, and the rotating shaft at the semicircle diameter of seal cover two ends inserts and is arranged on the air outlet pedestal and the supporting hole of axle, and is hinged through both; Seal cover is opened under wind action, under the effect of deadweight, closed, the angle that seal cover is opened is controlled by position limiting structure; Producing the poorly sealed reason of seal cover has: in order to alleviate own wt, reduce the loss of wind energy, so that seal cover is opened to big as far as possible angle; Usually select the thin flat board of plastic injection-moulded one-tenth for use, we know thin dull and stereotyped easy deformation, and deformation reason can be that processing causes; Time has been grown under the influence of oil smoke high temperature distortion, and the oil smoke thickness causes and is uneven etc.These factors might make that all seal cover is poorly sealed; Iff improves the sealing property of seal cover through gaining in weight; Then can influence seal cover and open and maximum opening angle, will lose the weight that a part of wind energy is offset seal cover at least, reduce the efficient of mist extractor.
In order to reach the performance that improves sealing, like publication number CN101403508B, a kind of gas back flow-proof smoke exhaust ventilator is disclosed in the prior art; New solution through reducing motor, relay, contact switch control; Though effect is pretty good, structure is complicated, and cost increases a lot.
Summary of the invention
The invention provides a kind of anti-smoke exhaust that pours in down a chimney with the ball pressurization; The weight that increases the seal cover sealing state makes sealing property improve; Opening when seal cover under the state of an angle, the characteristic of utilizing ball to roll reduces the unlatching torque of seal cover; Can reduce the loss of wind energy effectively, increase the performance of sealing simultaneously through the change of structure.
Technical scheme of the present invention is:
A kind of anti-smoke exhaust that pours in down a chimney with the ball pressurization comprises the air outlet pedestal, two semicircular seal covers that symmetry is installed; Control the position limiting structure of said seal cover opening angle, described seal cover is hinged through rotating shaft and described air outlet pedestal, it is characterized in that: also comprise plurality of balls; Described seal cover middle part is provided with the container of the said ball of splendid attire; When said seal cover sealed, said container bottom tilted, and the bottom of this container of approaching said rotating shaft is in the extreme higher position.
Increased the container of splendid attire plurality of balls; The bottom of container from the direction of rotating shaft by height to the low purpose that is provided with is simultaneously; When seal cover was in sealing state, the ball in the seal cover was rolled into low position away from rotating shaft in order to increase the weight of seal cover sealing the margin by height, makes sealing property improve; According to the power of fan of smoke exhaust, make and to open by seal cover when selecting suitable weight can guarantee smoke exhaust work.
As preferably, described angle of inclination is that 3 degree are to 15 degree.
As preferably, described container has one at least, is cuboid, and it is provided with described plurality of balls perpendicular to the rotating shaft setting of said seal cover in each container.
Optional 1,2,3 or more of this container selects can laterally arrange when a plurality of more, and making seal cover, stressed evenly the positional alignment of ball is comparatively stable, and the interference between mutually is few, can select for use the less ball of diameter to reduce the thickness of seal cover simultaneously.
Described container is arranged on the end face and/or the bottom surface of said seal cover.As long as the seal cover that can make two symmetry installations is when angle is opened to maximum, being independent of each other gets final product.
Described seal cover middle part is protruded up and/or court is sunken into.Through this structure, the conventional integral planar plate structure of sealing surface has become local slab construction, can improve the ability of resistance to deformation effectively.
In order to make full use of the space, to be convenient to simultaneously install and fix, described container is arranged in said protrusion and/or the recessed formed space.
In order further to improve the ability of resistance to deformation, the contacted position of sealing surface of described seal cover and said air outlet pedestal is provided with bulge loop, the sealing that contacts with the sealing surface of said air outlet pedestal of the bottom surface through described bulge loop.
Through this structure, can further reduce the dull and stereotyped area of sealing surface, when this bulge loop is designed to when thin because the vertical reinforcing rib structure that formed with this flat board; Be not easy to produce distortion; Simultaneously, thin face contacts with the sealing surface of air outlet pedestal and can make original face contact change the line contact into, when oil smoke produces viscosity; Can viscosity be dropped to minimum degree, can avoid because of the too strong seal cover of not opening of viscosity.
As preferably, the flexible or flexible rings of described bulge loop peripheral hardware, described elasticity or flexible rings height be greater than the height of said bulge loop, the sealing that contacts with the sealing surface of said air outlet pedestal of the bottom surface through said elasticity or flexible rings.Generally, all be the contact-making surface on hard plane through one of them elasticity or flexible rings contact-making surface than two, sealing property is better.
Also comprise: be arranged on the air outlet pedestal and the supporting hole of said rotating shaft; The bottom in said hole is provided with guiding gutter; Top is provided with open slot, and described guiding gutter, open slot width are less than the diameter of said axle, and described seal cover is hinged through rotating shaft and said hole.
The design of prior art does not have guiding gutter, and waste oil can accumulate in the hole; Through for a long time high temperature and the dust influence very thickness that can become, can have influence on the flexibility of seal cover, the top is provided with open slot and can reduces and gather waste oil; Also can install easily; Utilize the elasticity of plastics, directly rotating shaft is pressed in this hole, avoided to pass through in the prior art in the distortion ability patchhole of seal cover.
A kind of anti-smoke exhaust that pours in down a chimney with the ball pressurization of the present invention has good sealing effect, simple in structure, and cost is low, energy-conservation beneficial effect.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention.
Fig. 2 is a side-looking structural representation of the present invention.
Fig. 3 is a kind of seal cover side-looking of the present invention structural representation.
Fig. 4 is the schematic top plan view of the position limiting structure of seal cover of the present invention.
Fig. 5 is the rotating shaft and the hinged side-looking structural representation of air outlet pedestal of seal cover of the present invention.
The specific embodiment
Combine accompanying drawing that the present invention is further described at present:
As shown in Figure 1, a kind of anti-smoke exhaust that pours in down a chimney with the ball pressurization comprises air outlet pedestal 3; Two semicircular seal covers 2 that symmetry is installed; Plurality of balls 11, seal cover 2 middle parts are provided with the container 1 of splendid attire ball 11, during seal cover 2 sealings (seal cover on the right among the figure); Because container 1 bottom angled; Bottom near this container 1 of rotating shaft 24 (see figure 5)s is in the extreme higher position, so ball 11 is in the end away from the container 1 of rotating shaft 24, the container 1 on each seal cover 2 of present embodiment is got three.When seal cover 2 is arrived certain angle by wind (seal cover on the left side among the figure), ball 11 is rolled to one side of rotating shaft 24, and ball 11 centers of gravity are transferred near above the rotating shaft 24, greatly reduce the resistance to wind.
As shown in Figure 2, air outlet pedestal 3, seal cover 2, ball 11, container 1, the seal cover 2 in left side is in sealing state among the figure, and the middle part of seal cover 2 is towards being sunken into, and container 1 is arranged in the recessed formed space.The angle of container 1 bottom angled is 5 degree-15 degree, and the seal cover on right side is near maximum enable possition among the figure.
As another embodiment, the bottom of container 1 can be omitted, and directly with the bottom as container 1, the bottom of seal cover 2, but must satisfy seal cover 2 bottom angled.
For fear of the influence that oil smoke has viscosity, container 1 preferably seals, to guarantee that ball rolls flexibly.
As shown in Figure 3, as a kind of embodiment, seal cover 2, ball 11, container 1, seal cover 2 is provided with bulge loop 22, the flexible or flexible rings 21 of bulge loop 22 peripheral hardwares with the contacted position of sealing surface of air outlet pedestal.
As shown in Figure 4; Air outlet pedestal 3, seal cover 2, air outlet pedestal 3 are provided with the hole seat 31 of hinged rotating shaft; Seal cover 2 is provided with breach 23 near the hole seat; Hole seat 31, the breach 23 common position limiting structures of forming control seal cover 2 opening angles, when seal cover 2 was opened to certain angle, breach 23 touched mutually with the outer wall of hole seat 31 and reaches position-limiting action.
As shown in Figure 5; Air outlet pedestal 3 is provided with the hole seat 31 of hinged rotating shaft 24; The hole 311 supporting with rotating shaft 24 is set on the hole seat 31, and the bottom in hole is provided with guiding gutter 313, and top is provided with open slot 312; Guiding gutter 313, open slot 312 width are less than the diameter of rotating shaft 24, and seal cover is hinged through rotating shaft 24 and hole 311.
As one of embodiment, several containers 1 can be made into one, and also available plastic uptake material is simple, and cost is low, ball 11 select used ball on the also available bearing for use, weight is heavier, effect is better, and is cheap and draw materials conveniently.
Though be the present invention to be described further here through the mode of illustrating and give an example; But should be realized that the present invention is not limited to the above-described embodiment and examples, it is illustrative that the description of preamble only is considered to; And it is nonrestrictive; Those skilled in the art can make multiple conversion or modification, and short of scope and the spirit of leaving in the accompanying claims to be established all is regarded as within protection scope of the present invention.
Claims (10)
1. the anti-smoke exhaust that pours in down a chimney with the ball pressurization comprises the air outlet pedestal, two semicircular seal covers that symmetry is installed; Control the position limiting structure of said seal cover opening angle, described seal cover is hinged through rotating shaft and described air outlet pedestal, it is characterized in that: also comprise plurality of balls; Described seal cover middle part is provided with the container of the said ball of splendid attire; When said seal cover sealed, said container bottom tilted, and the bottom of this container of approaching said rotating shaft is in the extreme higher position.
2. the anti-smoke exhaust that pours in down a chimney with the ball pressurization as claimed in claim 1 is characterized in that: described angle of inclination is that 3 degree are to 15 degree.
3. according to claim 1 or claim 2 the anti-smoke exhaust that pours in down a chimney with the ball pressurization, it is characterized in that: described container has one at least, is cuboid, and it is provided with described plurality of balls perpendicular to the rotating shaft setting of said seal cover in each container.
4. the anti-smoke exhaust that pours in down a chimney with the ball pressurization as claimed in claim 3, it is characterized in that: described container is arranged on the end face and/or the bottom surface of said seal cover.
5. the anti-smoke exhaust that pours in down a chimney with the ball pressurization as claimed in claim 4 is characterized in that: described seal cover middle part is protruded up and/or court is sunken into.
6. the anti-smoke exhaust that pours in down a chimney with the ball pressurization as claimed in claim 5 is characterized in that: described container is arranged in said protrusion and/or the recessed formed space.
7. the anti-smoke exhaust that pours in down a chimney with the ball pressurization as claimed in claim 6; It is characterized in that: the contacted position of sealing surface of described seal cover and said air outlet pedestal is provided with bulge loop, the sealing that contacts with the sealing surface of said air outlet pedestal of the bottom surface through described bulge loop.
8. the anti-smoke exhaust that pours in down a chimney with the ball pressurization as claimed in claim 7; It is characterized in that: the flexible or flexible rings of described bulge loop peripheral hardware; Described elasticity or flexible rings height be greater than the height of said bulge loop, the sealing that contacts with the sealing surface of said air outlet pedestal of the bottom surface through described elasticity or flexible rings.
9. the anti-smoke exhaust that pours in down a chimney with the ball pressurization as claimed in claim 8; It is characterized in that; Also comprise: be arranged on the air outlet pedestal and the supporting hole of said rotating shaft, the bottom in described hole is provided with guiding gutter, and top is provided with open slot; Described guiding gutter, open slot width are less than the diameter of said rotating shaft, and described seal cover is hinged through rotating shaft and said hole.
10. according to claim 1 or claim 2 the anti-smoke exhaust that pours in down a chimney with the ball pressurization; It is characterized in that; Also comprise: be arranged on the air outlet pedestal and the supporting hole of said rotating shaft, the bottom in said hole is provided with guiding gutter, and top is provided with open slot; Described guiding gutter, open slot width are less than the diameter of said rotating shaft, and described seal cover is hinged through rotating shaft and said hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210173195.0A CN102734853B (en) | 2012-05-25 | 2012-05-25 | With the reverse-filling smoke exhaust of ball pressurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210173195.0A CN102734853B (en) | 2012-05-25 | 2012-05-25 | With the reverse-filling smoke exhaust of ball pressurization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102734853A true CN102734853A (en) | 2012-10-17 |
| CN102734853B CN102734853B (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210173195.0A Active CN102734853B (en) | 2012-05-25 | 2012-05-25 | With the reverse-filling smoke exhaust of ball pressurization |
Country Status (1)
| Country | Link |
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| CN (1) | CN102734853B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016410A (en) * | 2016-07-30 | 2016-10-12 | 董超超 | Anti-backflow range hood |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2622585Y (en) * | 2003-06-12 | 2004-06-30 | 许朝义 | Reverse flow preventing device for cooking fume exhauster capable of preventing fume back flow from support horizontal beam |
| DE102007061982A1 (en) * | 2007-12-21 | 2009-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Fume extraction device for extracting e.g. cooking steam, has housing comprising inlet side, and two filtering devices assigned to set of filtering devices of different design, where filtering devices have sealing element |
| CN201731541U (en) * | 2010-06-07 | 2011-02-02 | 宁波舜韵电子有限公司 | Nonreturn fan cover of range hood |
| CN102252358A (en) * | 2011-08-03 | 2011-11-23 | 宁波方太厨具有限公司 | Air outlet hood for range hood |
| CN203940054U (en) * | 2014-06-16 | 2014-11-12 | 杭州西蒙电器设备有限公司 | A kind of double leaf common flue check valve |
-
2012
- 2012-05-25 CN CN201210173195.0A patent/CN102734853B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2622585Y (en) * | 2003-06-12 | 2004-06-30 | 许朝义 | Reverse flow preventing device for cooking fume exhauster capable of preventing fume back flow from support horizontal beam |
| DE102007061982A1 (en) * | 2007-12-21 | 2009-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Fume extraction device for extracting e.g. cooking steam, has housing comprising inlet side, and two filtering devices assigned to set of filtering devices of different design, where filtering devices have sealing element |
| CN201731541U (en) * | 2010-06-07 | 2011-02-02 | 宁波舜韵电子有限公司 | Nonreturn fan cover of range hood |
| CN102252358A (en) * | 2011-08-03 | 2011-11-23 | 宁波方太厨具有限公司 | Air outlet hood for range hood |
| CN203940054U (en) * | 2014-06-16 | 2014-11-12 | 杭州西蒙电器设备有限公司 | A kind of double leaf common flue check valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016410A (en) * | 2016-07-30 | 2016-10-12 | 董超超 | Anti-backflow range hood |
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| Publication number | Publication date |
|---|---|
| CN102734853B (en) | 2015-11-25 |
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Effective date of registration: 20150930 Address after: Yueqing City, Zhejiang province 325600 Le Cheng Zhen Shi Ma Bei Cun Applicant after: Li Dong Address before: 310012 Xihu District, Zhejiang, Wensanlu Road, pearl apartment, No. 486, 8-2-301, Applicant before: Fu Jianzhong |
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Effective date of registration: 20160713 Address after: Jianggan District Jian Qiao Zhen Heng Tang Hangzhou city in Zhejiang province 310021 two District No. 116 Patentee after: HANGZHOU XINYI KITCHEN EQUIPMENT CO., LTD. Address before: Yueqing City, Zhejiang province 325600 Le Cheng Zhen Shi Ma Bei Cun Patentee before: Li Dong |