CN105674370A - Smoke exhaust air flue five-prevention variable speed system device - Google Patents
Smoke exhaust air flue five-prevention variable speed system device Download PDFInfo
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- CN105674370A CN105674370A CN201610205667.4A CN201610205667A CN105674370A CN 105674370 A CN105674370 A CN 105674370A CN 201610205667 A CN201610205667 A CN 201610205667A CN 105674370 A CN105674370 A CN 105674370A
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- Prior art keywords
- speed change
- air
- system device
- exhaust gas
- gas flue
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joints Allowing Movement (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a smoke exhaust air flue five-prevention variable speed system device, relates to a smoke exhaust air flue, and is used for solving the problems in a smoke exhaust air flue in the market that turbulence can be generated by converging of air flows, and the air exhaust effect is lowered. The smoke exhaust air flue five-prevention variable speed system device comprises a shell, wherein the shell comprises a speed variable side surface, an air inlet side surface and a movable top cover; the air inlet side surface is provided with an air inlet which is used for being connected with an air exhaust passage; the top of the shell is provided with an air outlet; the inner wall of the shell is provided with an air inducing passage which communicates the air inlet with the air outlet; the air inducing passage is of a spout shape; the diameter of the opening of the air inlet is larger than the diameter of the opening of the air outlet; the lower part of the shell is a cone body; the diameter of the opening of the upper end cross section of the lower part of the shell is larger than the diameter of the opening of the lower end cross section; the bottom of the lower part of the shell is provided with an oil containing groove; the upper part of the shell is a circular truncated cone body; and the diameter of the opening of the upper end cross section of the upper part of the shell is smaller than the diameter of the opening of the lower end cross section. Through the arrangement of a flow guiding structure and a non-return structure, no turbulence is generated during converging of the air flows, and the air exhausting effect is improved.
Description
Technical field
The present invention relates to exit flue, specifically, be the anti-speed change system device of exhaust gas flue five.
Background technology
" the anti-air bleeding valve of pressure swing type five " is installed on kitchen guarding's exhaust duct air inlet, the conversion completing internal fluid dynamic pressure that aerodynamic Bernoulli equation states and static pressure realizes at five anti-air bleeding valve air inlet places, makes out the air inlet under fume exhauster for kitchen or exhaust fan situation form negative pressure or static pressure reduction; Open the air inlet place under fume exhauster for kitchen or exhaust fan situation and produce jet, make in pipeline, to form negative pressure or static pressure reduction. It is effectively increased smoke evacuation tolerance, it is prevented that flue gas pours in down a chimney.
Patent documentation 00222427.5 (applying date: 2000.03.03) discloses a kind of exhaust gas flue, includes fume inlet passage, smoke-outlet flue and the automatic valve being arranged in housing, it is characterised in that: fume inlet passage is provided with flue gas cut-off equipment. This utility model has that simple in construction, low cost of manufacture, easy for installation, temperature tolerance be strong and the advantage such as long service life, it can be effectively prevented the backflow of cooking fume, makes it have the features such as intensity height, light weight, fire prevention, waterproof, crack resistence and anti-aging because adopting five anti-light body wallings.
Patent documentation 201210081247.1 (applying date: 2012.03.26) discloses one and is automatically adjusted exhaust air rate oil-smoke-exhausting fireproof check valve, including valve body, valve body arranges flap, flap is in being sleeved on fixing mandrel turnably, mandrel is set with front spring, rear spring, arranging the flap head part being sleeved on mandrel between front spring and rear spring, flap head part is connected with fixing fuse link; Valve body arranges the cooking fume through hole communicating with fume pipeline, being opened and closed by the movable of flap. Present configuration is reasonable, favorable working performance; When lampblack absorber does not work, flap is in the state closed by valve channel; During lampblack absorber work, cooking fume drives flap rotate and be moved rearwards by, and by cooking fume throughhole portions or fully open, oil smoke plays centrifugal action simultaneously, increases working effect. The aperture of cooking fume through hole is relevant to lampblack absorber power.
In sum, the component for variable-pressure of existing pressure swing type gas flue use and diversion component, its structural design has following defects that component for variable-pressure and diversion component are separately mounted on two of exhausting duct or three tube walls, issuable error is positioned owing to installing, exhaust effect can be affected, be also inconvenient to install; Meanwhile, the air-flow risen in exhausting duct, have and pass through from transformation venturi, also have and pass through from the gap between diversion component, component for variable-pressure and duct wall, the air-flow of multiply different in flow rate collects, produce turbulent flow, also can affect exhaust effect. Most of gas flues are blank pipes in the market, it does not have guiding device, it is easier to form the phenomenons such as gas leakage smoke leaking bunch taste.
Summary of the invention
The present invention seeks to have aimed to provide one transformation, air inducing, non-return, fire prevention are attached together and be integrated, the anti-speed change system device of exhaust gas flue five that exhaust effect is good.
For realizing above-mentioned technical purpose, the technical solution used in the present invention is as follows:
The anti-speed change system device of exhaust gas flue five, including housing, described housing includes speed change side, air intake side, removable top cover, described air intake side is provided with the air inlet for connecting exhausting duct, described case top is provided with air outlet, described inner walls is communicated with the air-inducing passage of air inlet and air outlet, described air-inducing passage is spout shape, its air inlet opening bore is more than air outlet opening bore, described lower housing portion is divided into cone, described lower housing portion divides upper end cross-sectional openings bore more than lower end cross-sectional openings bore, described lower housing portion divides bottom to be provided with oil holding slot, described housing upper is divided into round platform, described housing upper divides upper end cross-sectional openings bore less than lower end cross-sectional openings bore, described housing upper point top is provided with non-return structure.
Limit further, described non-return structure includes a connecting piece for connecting removable top cover, for connecting speed change side second connects sheet, 3rd connects sheet, described 3rd connection sheet is L-shaped, its both sides, top are provided with the first journal stirrup, described first journal stirrup is provided with the first rotating shaft, described 3rd connects sheet bottom connects the second connection sheet by the first bolt is fixing, described 3rd connects sheet top is flexibly connected a connecting piece by the first rotating shaft, and described a connecting piece connects removable top cover by the second bolt.
Utilizing non-return structure to facilitate implementation reverse-filling, anti-taint of odour, anti-smoke blowing, anti-flare returns alters, and flue gas refluxes.
Limiting further, described removable top cover is provided with the U-shaped adjustment hole for inserting the second bolt.
Limiting further, the described 3rd connects sheet is provided with restriction protrusion, and described 3rd connection sheet bending part is the aluminium sheet with telescopic resilience, is cased with spring outside described first rotating shaft, and described spring external part connects restriction protrusion respectively.
Utilize bending part to be easy to regulate the 3rd connection sheet, so control removable top cover open radian, it is to avoid removable top cover hinders air-flow to rise, and meanwhile, in order to avoid bending part ruptures, sets up spring, improves pull strength.
Limiting further, described speed change side includes the first speed change face, is positioned at the second speed change face below the first speed change face.
Preferably, described first speed change face is inclined-plane, and described second speed change face is cambered surface.
Preferably, described first speed change face is inclined-plane, and described second speed change face is inclined-plane.
Limiting further, described housing is provided with for welding described speed change side and the first bonding pad of described air intake side.
Limiting further, described oil holding slot is provided with external screw thread, and described lower housing portion is arranged with female thread, and the lower housing portion that is fixed on that described oil holding slot can be dismantled is divided.
Limiting further, described oil holding slot is built-in with disposable Sheng lubricating cup.
Utilize disposable Sheng lubricating cup to be easy to clean pipeline, process greasy dirt.
Adopt the invention of technique scheme, first, this device is loaded exhausting duct, its air intake side is adjacent to exhausting duct conduit wall, and the air inlet of air-inducing passage connects with the exhaust outlet of exhausting duct and fastens with bolt, its speed change side is big little gas channel under forming one with relative exhausting duct conduit wall, and due to the reason on inclined-plane or cambered surface, this gas channel is the taper hole that bottom-up section is gradually reduced. this device is risen to from the air-flow of air exhaust passage bottom, enter gas channel, air-flow continues to rise, speed is accelerated gradually, up penetrate to air outlet, now fastest, static pressure is only small, even up to negative pressure, at same level and immediately in the vicinity air-inducing passage air outlet in this negative pressuren zone, if the smoke exhaust ventilator in the kitchen in this floor room is closed, not only will not recharge to air-inducing passage from the air-flow of gas channel injection, and it can be produced swabbing action, owing to the first speed change face of speed change side is inclined-plane, first speed change face constitutes airflow hole with relative exhausting duct conduit wall, from gas channel injection air-flow not only will not scattering and also keep pressure steady, air-flow is conducive to continue to rise. second, kitchen exhaust gas enters air-inducing passage, air-inducing passage by spout shape, up discharge from air outlet, owing to the air inlet opening bore of air-inducing passage is more than air outlet opening bore, the flow velocity in air-inducing passage of the air-flow with certain blast that smoke exhaust ventilator is sent into is accelerated gradually, fastest to air outlet place, static pressure is only small, even up to negative pressure, gas channel nearby can be produced swabbing action, the air-flow of same injection not only will not scattering and also keep pressure steady, be conducive to making the air-flow of this burst of injection and driving the air-flow of gas channel together to rise.
The present invention is compared to existing technology, simple in construction, easy for installation, and technically energy-conserving and environment-protective work is brought bigger impetus.
Accompanying drawing explanation
The present invention can be further illustrated by the nonlimiting examples that accompanying drawing provides;
Fig. 1 is the anti-speed change system device axonometric chart of exhaust gas flue five of the present invention;
Fig. 2 is the anti-speed change system device front view of exhaust gas flue five of the present invention;
Fig. 3 is the anti-speed change system device left view of exhaust gas flue five of the present invention;
Fig. 4 is the anti-speed change system device top view of exhaust gas flue five of the present invention;
Fig. 5 is the anti-speed change system device schematic internal view of exhaust gas flue five of the present invention;
Fig. 6 is that the anti-speed change system device of exhaust gas flue five of the present invention assembles schematic diagram;
Fig. 7 is the partial enlarged drawing of A in Fig. 6;
Main element symbol description is as follows:
Speed change side 1, the first speed change face 1a, the second speed change face 1b, air intake side 2, removable top cover 3, exhausting duct 4, air inlet 5, air outlet 6, air-inducing passage 7, oil holding slot 8, non-return structure 9, a connecting piece 10, second connects sheet 11, and the 3rd connects sheet 12, the first journal stirrup 13, first rotating shaft 14, the first bolt 15, the second bolt 16, restriction protrusion 17, the first bonding pad 18, disposable Sheng lubricating cup 19.
Detailed description of the invention
In order to make those skilled in the art can be more fully understood that the present invention, below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated.
Embodiment one,
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 6, shown in Fig. 7, the anti-speed change system device of exhaust gas flue five, including housing, housing includes speed change side 1, air intake side 2, removable top cover 3, air intake side 2 is provided with the air inlet 5 for connecting exhausting duct 4, case top is provided with air outlet 6, inner walls is communicated with the air-inducing passage 7 of air inlet 5 and air outlet 6, air-inducing passage 7 is spout shape, its air inlet 5 opening bore is more than air outlet 6 opening bore, lower housing portion is divided into cone, lower housing portion divides upper end cross-sectional openings bore more than lower end cross-sectional openings bore, lower housing portion divides bottom to be provided with oil holding slot 8, housing upper is divided into round platform, housing upper divides upper end cross-sectional openings bore less than lower end cross-sectional openings bore, housing upper point top is provided with non-return structure 9.
Non-return structure 9 includes a connecting piece 10 for connecting removable top cover 3, for connecting speed change side 1 second connects sheet 11,3rd connects sheet 12,3rd connection sheet 12 is L-shaped, its both sides, top are provided with the first journal stirrup 13, first journal stirrup 13 is provided with the first rotating shaft 14,3rd connects sheet 12 bottom connects the second connection sheet 11 by the first bolt 15 is fixing, 3rd connects sheet 12 top is flexibly connected a connecting piece 10 by the first rotating shaft 14, and a connecting piece 10 connects removable top cover 3 by the second bolt 16.
Removable top cover 3 is provided with the U-shaped adjustment hole (diagram is not drawn into) for inserting the second bolt 16.
3rd connects sheet 12 is provided with restriction protrusion 17, and the 3rd connection sheet 12 bending part is the aluminium sheet with telescopic resilience, is cased with spring (diagram is not drawn into) outside the first rotating shaft 14, and spring external part connects restriction protrusion 17 respectively.
Speed change side 1 includes the first speed change face 1a, is positioned at the second speed change face 1b below the first speed change face 1a.
First speed change face 1a is inclined-plane, and the second speed change face 1b is cambered surface.
It should be noted that can also adopt the first speed change face 1a is inclined-plane, the second speed change face 1b is inclined-plane.
Housing is provided with the first bonding pad 18 for welding speed change side 1 and air intake side 2.
Embodiment two,
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, the anti-speed change system device of exhaust gas flue five, including housing, housing includes speed change side 1, air intake side 2, removable top cover 3, air intake side 2 is provided with the air inlet 5 for connecting exhausting duct 4, case top is provided with air outlet 6, inner walls is communicated with the air-inducing passage 7 of air inlet 5 and air outlet 6, air-inducing passage 7 is spout shape, its air inlet 5 opening bore is more than air outlet 6 opening bore, lower housing portion is divided into cone, lower housing portion divides upper end cross-sectional openings bore more than lower end cross-sectional openings bore, lower housing portion divides bottom to be provided with oil holding slot 8, housing upper is divided into round platform, housing upper divides upper end cross-sectional openings bore less than lower end cross-sectional openings bore, housing upper point top is provided with non-return structure 9.
Non-return structure 9 includes a connecting piece 10 for connecting removable top cover 3, for connecting speed change side 1 second connects sheet 11,3rd connects sheet 12,3rd connection sheet 12 is L-shaped, its both sides, top are provided with the first journal stirrup 13, first journal stirrup 13 is provided with the first rotating shaft 14,3rd connects sheet 12 bottom connects the second connection sheet 11 by the first bolt 15 is fixing, 3rd connects sheet 12 top is flexibly connected a connecting piece 10 by the first rotating shaft 14, and a connecting piece 10 connects removable top cover 3 by the second bolt 16.
Removable top cover 3 is provided with the U-shaped adjustment hole (diagram is not drawn into) for inserting the second bolt 16.
3rd connects sheet 12 is provided with restriction protrusion 17, and the 3rd connection sheet 12 bending part is the aluminium sheet with telescopic resilience, is cased with spring (diagram is not drawn into) outside the first rotating shaft 14, and spring external part connects restriction protrusion 17 respectively.
Speed change side 1 includes the first speed change face 1a, is positioned at the second speed change face 1b below the first speed change face 1a.
First speed change face 1a is inclined-plane, and the second speed change face 1b is cambered surface.
It should be noted that can also adopt the first speed change face 1a is inclined-plane, the second speed change face 1b is inclined-plane.
Housing is provided with the first bonding pad 18 for welding speed change side 1 and air intake side 2.
Oil holding slot 8 is provided with external screw thread, and lower housing portion is arranged with female thread, and the lower housing portion that is fixed on that oil holding slot 8 can be dismantled is divided.
Oil holding slot 8 is built-in with disposable Sheng lubricating cup 19.
Above-described embodiment one and embodiment two are distinctive in that, relative embodiment one, are additionally arranged the oil holding slot 8 that can dismantle in embodiment two, utilize disposable Sheng lubricating cup 19 to be easy to clean pipeline, process greasy dirt.
Above the anti-speed change system device of exhaust gas flue five provided by the invention is described in detail. The explanation of specific embodiment is only intended to help to understand method and the core concept thereof of the present invention. It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (10)
1. the anti-speed change system device of exhaust gas flue five, including housing, it is characterized in that: described housing includes speed change side, air intake side, removable top cover, described air intake side is provided with the air inlet for connecting exhausting duct, described case top is provided with air outlet, described inner walls is communicated with the air-inducing passage of air inlet and air outlet, described air-inducing passage is spout shape, its air inlet opening bore is more than air outlet opening bore, described lower housing portion is divided into cone, described lower housing portion divides upper end cross-sectional openings bore more than lower end cross-sectional openings bore, described lower housing portion divides bottom to be provided with oil holding slot, described housing upper is divided into round platform, described housing upper divides upper end cross-sectional openings bore less than lower end cross-sectional openings bore, described housing upper point top is provided with non-return structure.
2. the anti-speed change system device of exhaust gas flue five according to claim 1, it is characterized in that: described non-return structure includes a connecting piece for connecting removable top cover, for connecting speed change side second connects sheet, 3rd connects sheet, described 3rd connection sheet is L-shaped, its both sides, top are provided with the first journal stirrup, described first journal stirrup is provided with the first rotating shaft, described 3rd connects sheet bottom connects the second connection sheet by the first bolt is fixing, described 3rd connects sheet top is flexibly connected a connecting piece by the first rotating shaft, described a connecting piece connects removable top cover by the second bolt.
3. the anti-speed change system device of exhaust gas flue five according to claim 2, it is characterised in that: described removable top cover is provided with the U-shaped adjustment hole for inserting the second bolt.
4. the anti-speed change system device of exhaust gas flue five according to claim 3, it is characterized in that: the described 3rd connects sheet is provided with restriction protrusion, described 3rd connection sheet bending part is the aluminium sheet with telescopic resilience, being cased with spring outside described first rotating shaft, described spring external part connects restriction protrusion respectively.
5. the anti-speed change system device of exhaust gas flue five according to claim 4, it is characterised in that: described speed change side includes the first speed change face, is positioned at the second speed change face below the first speed change face.
6. the anti-speed change system device of exhaust gas flue five according to claim 5, it is characterised in that: described first speed change face is inclined-plane, and described second speed change face is cambered surface.
7. the anti-speed change system device of exhaust gas flue five according to claim 5, it is characterised in that: described first speed change face is inclined-plane, and described second speed change face is inclined-plane.
8. the anti-speed change system device of exhaust gas flue five according to claim 6 or 7, it is characterised in that: described housing is provided with for welding described speed change side and the first bonding pad of described air intake side.
9. the anti-speed change system device of exhaust gas flue five according to claim 8, it is characterised in that: described oil holding slot is provided with external screw thread, and described lower housing portion is arranged with female thread, and the lower housing portion that is fixed on that described oil holding slot can be dismantled is divided.
10. the anti-speed change system device of exhaust gas flue five according to claim 9, it is characterised in that: described oil holding slot is built-in with disposable Sheng lubricating cup.
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CN201610205667.4A CN105674370B (en) | 2016-04-05 | 2016-04-05 | The anti-speed change system device of exhaust gas flue five |
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CN201610205667.4A CN105674370B (en) | 2016-04-05 | 2016-04-05 | The anti-speed change system device of exhaust gas flue five |
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CN105674370B CN105674370B (en) | 2017-10-13 |
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CN201610205667.4A Expired - Fee Related CN105674370B (en) | 2016-04-05 | 2016-04-05 | The anti-speed change system device of exhaust gas flue five |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1182186A (en) * | 1996-11-11 | 1998-05-20 | 鄂严生 | Cyclonic jet-flow smoke exhauster |
JPH11351587A (en) * | 1998-06-12 | 1999-12-24 | Shinpo Co Ltd | Exhaust gas cleaning device for roaster |
CN2407266Y (en) * | 1999-12-22 | 2000-11-22 | 韩进龙 | Improved cooker hood |
CN2766173Y (en) * | 2004-11-19 | 2006-03-22 | 吴汉木 | Exhaust duct check valve with natural ventilation and speed changing functions |
CN205425110U (en) * | 2016-04-05 | 2016-08-03 | 重庆市九龙坡区千里马建材厂 | Air flue no. 5 of discharging fume fast system device of preapring for an unfavorable turn of events |
-
2016
- 2016-04-05 CN CN201610205667.4A patent/CN105674370B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1182186A (en) * | 1996-11-11 | 1998-05-20 | 鄂严生 | Cyclonic jet-flow smoke exhauster |
JPH11351587A (en) * | 1998-06-12 | 1999-12-24 | Shinpo Co Ltd | Exhaust gas cleaning device for roaster |
CN2407266Y (en) * | 1999-12-22 | 2000-11-22 | 韩进龙 | Improved cooker hood |
CN2766173Y (en) * | 2004-11-19 | 2006-03-22 | 吴汉木 | Exhaust duct check valve with natural ventilation and speed changing functions |
CN205425110U (en) * | 2016-04-05 | 2016-08-03 | 重庆市九龙坡区千里马建材厂 | Air flue no. 5 of discharging fume fast system device of preapring for an unfavorable turn of events |
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