CN209369249U - A kind of anti-return building ventilation flue - Google Patents
A kind of anti-return building ventilation flue Download PDFInfo
- Publication number
- CN209369249U CN209369249U CN201920009278.3U CN201920009278U CN209369249U CN 209369249 U CN209369249 U CN 209369249U CN 201920009278 U CN201920009278 U CN 201920009278U CN 209369249 U CN209369249 U CN 209369249U
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- CN
- China
- Prior art keywords
- plate
- flue
- adverse current
- bolted
- oil smoke
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of anti-return building ventilation flues, including flue, oil smoke inlet pipe, diversion pipe, the side of the flue is provided with the oil smoke inlet pipe, the flue is bolted with the oil smoke inlet pipe, the diversion pipe is provided on the inside of the flue, the upper surface of described diversion pipe is provided with installation protective plate, the installation protective plate is bolted with the flue, the upper surface of described installation protective plate is provided with flow-stopping plate, the installation protective plate is bolted with the flow-stopping plate, the side of the flow-stopping plate is provided with the second adverse current plate, the upper surface of described second adverse current plate is provided with the second reinforcing rib, the side of the second adverse current plate is provided with mounting ring, the second adverse current plate and the mounting ring are integrally formed.Beneficial effect is: being both provided with diversion pipe beside each oil smoke inlet pipe in the flue, the first adverse current plate and the second adverse current plate are provided with above diversion pipe, oil smoke can be effectively prevent to reversely flow back towards interior, pollute room air.
Description
Technical field
The utility model belongs to building flue field, more particularly, to a kind of anti-return building ventilation flue.
Background technique
Flue is the tube of exhaust gas and smog emission, and residence chimney neck refers to useless for excluding kitchen flue gas or toilet
The vertical duct product of gas, also referred to as exhausting duct, ventilating duct, house exhaust passage, when air inlet flue gas is discharged into flue, meeting and under
The flue gas that layer is up arranged meets, and two strands of air-flows meet and will form vortex and air curtain, and the vortex and air block curtain can be to lower layers
Flue gas uplink generates obstruction, and flue gas, will be to indoor smoke blowing because uplink has obstruction.
General home-use smoke exhaust ventilator can all be equipped with reflux valve, and the flue gas to flow back in flue will not pass through smoke exhaust ventilator
Interior can be flowed into, but can be attached on smoke machine after adulterating a large amount of greasy dirt cooling inside flue gas drops smoke machine smoking effect
Low, because being not provided with flue gas in existing cell flue prevents the device of adverse current, such case is frequent occurrence.
Utility model content
The purpose of this utility model is to provide a kind of anti-return building ventilation flues, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of anti-return building ventilation flue, including flue, oil smoke inlet pipe, diversion pipe, the side of the flue are provided with
The oil smoke inlet pipe, the flue are bolted with the oil smoke inlet pipe, and the water conservancy diversion is provided on the inside of the flue
Pipe, the upper surface of described diversion pipe are provided with installation protective plate, and the installation protective plate is bolted with the flue, described
The upper surface of installation protective plate is provided with flow-stopping plate, and the installation protective plate is bolted with the flow-stopping plate, the baffle
The side of plate is provided with the second adverse current plate, and the upper surface of described second adverse current plate is provided with the second reinforcing rib, the second adverse current plate
Side be provided with mounting ring, the second adverse current plate and the mounting ring are integrally formed, and are provided on the inside of the mounting ring
Shaft, the shaft and the mounting ring are provided with the first adverse current plate, the shaft on the outside of the shaft by being rotatablely connected
With the first adverse current plate by rotation connection, the upper surface of described first adverse current plate is provided with the first reinforcing rib, and described first is inverse
Flowing plate and first reinforcing rib are integrally formed, and the upper surface of described oil smoke inlet pipe is provided with the upper surface of mounting base, the mounting base
It is provided with mounting rack, the mounting base is bolted with the mounting rack, and the upper surface of described mounting rack is provided with protective plate.
It is preferred: baffle to be provided with below the protective plate, the baffle is bolted with the flue.
It is connected firmly so set, being bolted and facilitating the baffle with the flue.
Preferred: the diversion pipe is bolted with the installation protective plate.
It is connected firmly so set, being bolted and facilitating the diversion pipe with the installation protective plate.
Preferred: the second adverse current plate and second reinforcing rib are integrally formed.
So set, integrated molding facilitates the second adverse current plate and second reinforcing rib is easy to process.
Preferred: the shaft is connected by screw to the installation protective plate.
So set, screw connection facilitates the shaft and is connected firmly with the installation protective plate.
Preferred: the mounting base is bolted with the flue.
It is connected firmly so set, being bolted and facilitating the mounting base with the flue.
Preferred: the protective plate is bolted with the mounting rack.
It is connected firmly so set, being bolted and facilitating the protective plate with the mounting rack.
Compared with prior art, the utility model has the beneficial effects that
1, it is both provided with diversion pipe beside each oil smoke inlet pipe in the flue, the first adverse current plate is provided with above diversion pipe
With the second adverse current plate, oil smoke can be effectively prevent to reversely flow back towards interior, pollute room air；
2, the flue structure is simple, and backflow device design rationally, will not influence following storey smoke evacuation, and adverse current effect is good.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of anti-return building ventilation flue described in the utility model；
Fig. 2 is a kind of top cross-sectional view of anti-return building ventilation flue described in the utility model；
Fig. 3 is a kind of the second adverse current plate three-dimensional structure diagram of anti-return building ventilation flue described in the utility model.
In appended drawing reference: 1, flue；2, oil smoke inlet pipe；3, diversion pipe；4, flow-stopping plate；5, protective plate is installed；6, first is inverse
Flowing plate；7, the second adverse current plate；8, shaft；9, mounting ring；10, protective plate；11, mounting base；12, mounting rack；13, baffle；14,
First reinforcing rib；15, the second reinforcing rib.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Please refer to Fig. 1-Fig. 3, a kind of anti-return building ventilation flue, including flue 1, oil smoke inlet pipe 2, diversion pipe 3, flue
1 side is provided with oil smoke inlet pipe 2, and oil smoke inlet pipe 2 is used to connect the pipeline of smoke exhaust ventilator, and flue 1 and oil smoke inlet pipe 2 pass through spiral shell
It tethers and connects, the inside of flue 1 is provided with diversion pipe 3, and the inner wall of diversion pipe 3 is smooth oil smoke can be allowed attached quickly through reducing
, the upper surface of diversion pipe 3 is provided with installation protective plate 5, and installation protective plate 5 is for stopping oil smoke, installation protective plate 5 and flue 1
It is bolted, the upper surface of installation protective plate 5 is provided with flow-stopping plate 4, pollution when flow-stopping plate 4 is for stopping lower layer's oil smoke to rise
It being attached on the first adverse current plate 6 and the second adverse current plate 7, installation protective plate 5 is bolted with flow-stopping plate 4, and the one of flow-stopping plate 4
Side is provided with the second adverse current plate 7, and the second adverse current plate 7 is automatically opened using the lift that hot oil cigarette rises, and gravity is utilized when no oil smoke
Automatic fall is closed, and the upper surface of second adverse current plate 7 is provided with the second reinforcing rib 15, and the second reinforcing rib 15 is for protecting the second adverse current
Plate 7, the side of the second adverse current plate 7 are provided with mounting ring 9, and mounting ring 9 is used to the second adverse current plate 7 be mounted on shaft 8, and second
Adverse current plate 7 and mounting ring 9 are integrally formed, and the inside of mounting ring 9 is provided with shaft 8, and shaft 8 is for allowing the first adverse current plate 6 and the
The rotation of two adverse current plates 7, shaft 8 and mounting ring 9 are by rotation connection, and the outside of shaft 8 is provided with the first adverse current plate 6, and first is inverse
Flowing plate 6 is automatically opened using the lift that hot oil cigarette rises, and is fallen automatically closing when no oil smoke using gravity, shaft 8 and first inverse
Flowing plate 6 is provided with the first reinforcing rib 14 by rotation connection, the upper surface of first adverse current plate 6, and the first reinforcing rib 14 is for protecting the
One adverse current plate 6, the first adverse current plate 6 and the first reinforcing rib 14 are integrally formed, and the upper surface of oil smoke inlet pipe 2 is provided with mounting base 11, are pacified
Dress seat 11 is provided with mounting rack 12 for installing mounting rack 12, the upper surface of mounting base 11, and mounting rack 12 is used to install protective plate 10,
Mounting base 11 is bolted with mounting rack 12, and the upper surface of mounting rack 12 is provided with protective plate 10, and protective plate 10 is for preventing
Rainwater sundries enters in flue 1.
Embodiment 2
On the basis of the above embodiments:
Baffle 13 is provided with below protective plate 10, baffle 13 is for guiding oil smoke to be discharged, baffle 13 and flue 1
It is bolted, being bolted facilitates baffle 13 is connected firmly with flue 1.
Working principle: being connected to household smoke exhaust ventilator on oil smoke inlet pipe 2, when smoke exhaust ventilator work, hot oil smoke warp
Oil smoke inlet pipe 2 enters in diversion pipe 3, and the lift of hot oil cigarette makes the first adverse current plate 6 and the second adverse current plate 7 open discharge oil smoke, leads
The inner wall of flow tube 3 be arc surface and it is very smooth oil smoke can be guided to rise well, flow-stopping plate 4 can prevent lower layer rise oil
The first adverse current of smoke pollution plate 6 and the second adverse current plate 7, when oil smoke discharge finishes, the first adverse current plate 6 and the second adverse current plate 7 are utilized
Gravity, which voluntarily falls, closes diversion pipe 3, prevents oil smoke from reentering reflux in oil smoke inlet pipe 2.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of anti-return building ventilation flue, it is characterised in that: including flue (1), oil smoke inlet pipe (2), diversion pipe (3), institute
The side for stating flue (1) is provided with the oil smoke inlet pipe (2), the flue (1) and the oil smoke inlet pipe (2) and is connected by bolt
It connects, is provided with the diversion pipe (3) on the inside of the flue (1), the upper surface of described diversion pipe (3) is provided with installation protective plate
(5), the installation protective plate (5) is bolted with the flue (1), and the upper surface of described installation protective plate (5) is provided with
Flow-stopping plate (4), the installation protective plate (5) are bolted with the flow-stopping plate (4), and the side of the flow-stopping plate (4) is set
It is equipped with the second adverse current plate (7), the upper surface of described second adverse current plate (7) is provided with the second reinforcing rib (15), the second adverse current plate
(7) side is provided with mounting ring (9), and the second adverse current plate (7) and the mounting ring (9) are integrally formed, the mounting ring
(9) it is provided on the inside of shaft (8), the shaft (8) and the mounting ring (9) are by being rotatablely connected, outside the shaft (8)
Side is provided with the first adverse current plate (6), the shaft (8) and the first adverse current plate (6) and passes through rotation connection, first adverse current
The upper surface of plate (6) is provided with the first reinforcing rib (14), the first adverse current plate (6) and first reinforcing rib (14) one at
Type, the upper surface of described oil smoke inlet pipe (2) are provided with mounting base (11), and the upper surface of described mounting base (11) is provided with mounting rack
(12), the mounting base (11) is bolted with the mounting rack (12), and the upper surface of described mounting rack (12) is provided with anti-
Backplate (10).
2. a kind of anti-return building ventilation flue according to claim 1, it is characterised in that: under the protective plate (10)
Face is provided with baffle (13), and the baffle (13) is bolted with the flue (1).
3. a kind of anti-return building ventilation flue according to claim 2, it is characterised in that: the diversion pipe (3) and institute
Installation protective plate (5) is stated to be bolted.
4. a kind of anti-return building ventilation flue according to claim 3, it is characterised in that: the second adverse current plate (7)
It is integrally formed with second reinforcing rib (15).
5. a kind of anti-return building ventilation flue according to claim 4, it is characterised in that: the shaft (8) with it is described
Installation protective plate (5) is connected by screw to.
6. a kind of anti-return building ventilation flue according to claim 5, it is characterised in that: the mounting base (11) and institute
Flue (1) is stated to be bolted.
7. a kind of anti-return building ventilation flue according to claim 6, it is characterised in that: the protective plate (10) and institute
Mounting rack (12) is stated to be bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009278.3U CN209369249U (en) | 2019-01-04 | 2019-01-04 | A kind of anti-return building ventilation flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009278.3U CN209369249U (en) | 2019-01-04 | 2019-01-04 | A kind of anti-return building ventilation flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369249U true CN209369249U (en) | 2019-09-10 |
Family
ID=67829140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920009278.3U Expired - Fee Related CN209369249U (en) | 2019-01-04 | 2019-01-04 | A kind of anti-return building ventilation flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306112A (en) * | 2020-02-28 | 2020-06-19 | 武汉市研华智造环保科技有限公司 | Anti-backflow smoke exhaust fan channel |
-
2019
- 2019-01-04 CN CN201920009278.3U patent/CN209369249U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306112A (en) * | 2020-02-28 | 2020-06-19 | 武汉市研华智造环保科技有限公司 | Anti-backflow smoke exhaust fan channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20210104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |