CN203309979U - Novel silencing-denoising smoke exhaust pipe of range hood - Google Patents
Novel silencing-denoising smoke exhaust pipe of range hood Download PDFInfo
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- CN203309979U CN203309979U CN201320349329XU CN201320349329U CN203309979U CN 203309979 U CN203309979 U CN 203309979U CN 201320349329X U CN201320349329X U CN 201320349329XU CN 201320349329 U CN201320349329 U CN 201320349329U CN 203309979 U CN203309979 U CN 203309979U
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- smoke exhaust
- exhaust pipe
- bellows
- noise reduction
- sound absorbing
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Abstract
The utility model discloses a novel silencing-denoising smoke exhaust pipe of a range hood. The silencing-denoising smoke exhaust pipe is characterized by comprising a shaping shell, and pipe seats at two ends of the shell, wherein the two pipe seats are connected by a bellows manufactured by covering a porous silencing material on an annular steel wire bracket, and sound insulation cotton is filled between the bellows and the shell. The steel wire bracket is wound by steel wires and is spiral, and the creased bellows is formed by covering the porous silencing material on the external circle of the steel wire bracket. The novel silencing-denoising smoke exhaust pipe disclosed by the utility model has the beneficial effects that the structure is simple, the production cost is low, and thus the market competitiveness is improved; the porous silencing material and the sound insulation cotton in the smoke exhaust pipe are used for adsorbing wind noise and preventing the wind noise from outward diffusing; the bellows is arranged to be spiral and creased, sound waves and the creased bellows are continuously impacted when smoke passes through the smoke exhaust pipeline so as to effectively disperse the wound waves, and thus noise produced in the work of the range hood is further reduced.
Description
Technical field
The utility model relates to a kind of lampblack absorber accessory, specifically the quiet noise reduction smoke exhaust pipe of a kind of novel kitchen ventilator.
Background technology
Domestic cooking fume remover is for kitchen, and the flue gas produced in the time of can getting rid of the cooking, keep clean in kitchen and health, become the requisite cooking apparatus of Modern Family.But the problem of bringing along with the use of range hood is the strong noise produced by blower fan, long-term housewife and kitchen operation personnel under this noise, can produce headache, agitation, the bad reaction such as nervous, and healthy causing had a strong impact on.
The blower fan of range hood generally includes blower fan and installation blower fan and is provided with the spiral case of gas channel.Described blower fan is driven by motor usually, and motor is connected with impeller by an axle.During use, because rotating, the driven by motor draught fan impeller causes vibrations, and by making itself and being connected of range hood shell housing produce resonance, and the friction of the air flowed in blower fan shock also produces noise.Therefore, the noise of range hood source comprises that mainly two aspects, first aspect are the noise of the noise of blower fan as the vibrations generation itself, and second aspect is the noise that air-flow produces.
The noise reduction technology of current known range hood and method are the one side optimal design, improve the performance of blower fan, the noise and vibration of blower fan self is descended, thereby reach the purpose that total noise of centrifuge descends, be the rigidity that improves the rigidity, particularly sheet metal of outer cover spare of the relevant parts of complete machine on the other hand, suppress the generation of its resonance noise, adopt such scheme, can substantially solve the noise that blower fan itself produces.And, for the noise that air-flow produces, also have no idea at present to solve.
The utility model content
The purpose of this utility model is the shortcoming existed in order to overcome prior art, provides a kind of simple in structure, easy to use, can effectively alleviate the lampblack absorber smoke evacuation and in airduct, produce the quiet noise reduction smoke exhaust pipe of a kind of novel kitchen ventilator of noise.
The utility model purpose realizes with the following methods: the quiet noise reduction smoke exhaust pipe of a kind of novel kitchen ventilator, it is characterized in that: it comprises the typing shell, and be arranged on the base at shell two ends, between described two bases, cover by porous sound absorbing materials the bellows be made on annular wire rack and connect, be filled with Sound-proof material between described bellows and shell.
Described wire rack, by the steel wire coil spirally-wound, forms the bellows of gauffer shape after its outer ring covering porous sound absorbing materials.
Described wire rack is two kinds of circular steel wire rings that diameter is different, and two kinds of wire loops distribute alternately and paste with porous sound absorbing materials, forms the bellows of gauffer shape.
Described porous sound absorbing materials is rock wool.
Described porous sound absorbing materials is glass silk floss.
Described porous sound absorbing materials is nonwoven.
Described porous sound absorbing materials is cotton gauze.
Between described bellows and Sound-proof material, also be provided with the aluminium foil thermal insulation layer.
The beneficial effects of the utility model are: 1) simple in structure, production cost is low, improves the market competitiveness.2) utilize the porous sound absorbing materials, the Sound-proof material that are arranged in smoke exhaust pipe to adsorb wind-dryness, stop wind-dryness outwards to be propagated.3) bellows is arranged to spiral gauffer shape, and during oil smoke process smoke discharging pipe, the bellows of sound wave and gauffer shape constantly clashes into, and can effectively sound wave be disperseed to the noise produced in the time of further reducing lampblack absorber work.
The accompanying drawing explanation
Fig. 1 is the utility model general assembly design sketch.
Fig. 2 is the utility model installation diagram.
Fig. 3 is the utility model structure cutaway view.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is made to concrete further instruction.The quiet noise reduction smoke exhaust pipe of a kind of novel kitchen ventilator, it is characterized in that: it comprises typing shell 1, and be arranged on the base 2 at shell two ends, 2 of described two bases cover by porous sound absorbing materials 3 bellows 5 be made on annular wire rack 4 and connect, and between described bellows and shell, are filled with Sound-proof material 6.Its housing plays the typing supporting role to bellows
Described wire rack 4 is by the steel wire coil spirally-wound, and its outer ring covers the bellows of the rear formation gauffer of porous sound absorbing materials 3 shape.While processing this bellows, according to a constant pitch, deadener is pasted on wire rack, when the pitch of steel wire is dwindled, just between adjacent two wire loops, form gauffer.
Described wire rack 4 is two kinds of circular steel wire rings that diameter is different, and two kinds of wire loops distribute alternately and paste with porous sound absorbing materials 3, forms the bellows of gauffer shape.Utilize the diameter of the different round wire loop diameter of two diameters poor, form the bellows of heaving of the sea dress.
Described porous sound absorbing materials 3 is rock wool.
Described porous sound absorbing materials 3 is glass silk floss.
Described porous sound absorbing materials 3 is nonwoven.
Described porous sound absorbing materials 3 is cotton gauze.
6 of described bellows 5 and Sound-proof materials also are provided with aluminium foil thermal insulation layer 7.Above-mentioned various material all has many Small Holes, produces the suction-operated to sound wave, thereby realizes quiet Noise Reduction.
6 of described bellows 5 and Sound-proof materials also are provided with aluminium foil thermal insulation layer 7, and the heat that thermal insulation layer can effectively completely cut off in flue gas outwards transmits, and avoid causing because shell is overheated smoke exhaust pipe wall on every side, and cabinet etc. are heated and cause its jaundice.
Operation principle: from the flue gas of discharging in lampblack absorber, outwards discharge through smoke exhaust pipe, the noise that lampblack absorber produces is through smoke exhaust pipe the time, and at first sound wave bumps with wavy bellows sidewall, thereby is dispersed, and plays the first heavy Noise Reduction.Then the sound wave disperseed is adsorbed by porous sound absorbing materials 3 and Sound-proof material, plays the effect of the second heavy quiet noise reduction.Therefore through double isolation, reduce and diffuse to the induced-draft fan noise to greatest extent.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, as the structure of bellows, makes the porous sound absorbing materials that bellows uses; the materials of Sound-proof material etc., these changes and improvements all fall in claimed the utility model scope.
Claims (8)
1. quiet noise reduction smoke exhaust pipe of novel kitchen ventilator, it is characterized in that: it comprises typing shell (1), and be arranged on the base (2) at shell two ends, between described two bases (2), cover by porous sound absorbing materials (3) bellows (5) be made on annular wire rack (4) and connect, between described bellows and shell, be filled with Sound-proof material (6).
2. the quiet noise reduction smoke exhaust pipe of novel kitchen ventilator according to claim 1 is characterized in that: described wire rack (4) is by the steel wire coil spirally-wound, and its outer ring covers after porous sound absorbing materials (3) bellows that forms the gauffer shape.
3. the quiet noise reduction smoke exhaust pipe of novel kitchen ventilator according to claim 1, it is characterized in that: described wire rack (4) is two kinds of circular steel wire rings that diameter is different, two kinds of wire loops distribute alternately and paste with porous sound absorbing materials (3), form the bellows of gauffer shape.
4. according to the quiet noise reduction smoke exhaust pipe of the described novel kitchen ventilator of claims 1 to 3 any one, it is characterized in that: described porous sound absorbing materials (3) is rock wool.
5. according to the quiet noise reduction smoke exhaust pipe of the described novel kitchen ventilator of claims 1 to 3 any one, it is characterized in that: described porous sound absorbing materials (3) is glass silk floss.
6. according to the quiet noise reduction smoke exhaust pipe of the described novel kitchen ventilator of claims 1 to 3 any one, it is characterized in that: described porous sound absorbing materials (3) is nonwoven.
7. according to the quiet noise reduction smoke exhaust pipe of the described novel kitchen ventilator of claims 1 to 3 any one, it is characterized in that: described porous sound absorbing materials (3) is cotton gauze.
8. the quiet noise reduction smoke exhaust pipe of novel kitchen ventilator according to claim 1, is characterized in that: also be provided with aluminium foil thermal insulation layer (7) between described bellows (5) and Sound-proof material (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320349329XU CN203309979U (en) | 2013-06-19 | 2013-06-19 | Novel silencing-denoising smoke exhaust pipe of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320349329XU CN203309979U (en) | 2013-06-19 | 2013-06-19 | Novel silencing-denoising smoke exhaust pipe of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203309979U true CN203309979U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320349329XU Expired - Lifetime CN203309979U (en) | 2013-06-19 | 2013-06-19 | Novel silencing-denoising smoke exhaust pipe of range hood |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501261A (en) * | 2015-01-05 | 2015-04-08 | 陈斌 | Range hood with indoor flue duct |
| CN104501262A (en) * | 2015-01-05 | 2015-04-08 | 陈斌 | Indoor flue duct with flue suction device for range hood |
| WO2016061829A1 (en) * | 2014-10-25 | 2016-04-28 | 佛山市顺德区合捷电器实业有限公司 | Noise-reducing silent range hood and smoke discharging tube |
| CN108194951A (en) * | 2017-12-29 | 2018-06-22 | 东莞市天合机电开发有限公司 | A kind of smoke exhaust pipe for being used to connect kitchen ventilator smoke outlet |
| CN108386890A (en) * | 2018-05-31 | 2018-08-10 | 广东美的厨房电器制造有限公司 | Range hood |
| CN109442512A (en) * | 2018-10-31 | 2019-03-08 | 郑浩 | A kind of kitchen ventilator pipe |
| CN110264788A (en) * | 2019-06-23 | 2019-09-20 | 山东交通学院 | A kind of Oral Training device of the Japanese Teaching with error correction |
| CN110375351A (en) * | 2019-06-27 | 2019-10-25 | 宁波方太厨具有限公司 | A kind of smoke exhaust pipe suitable for range hood |
-
2013
- 2013-06-19 CN CN201320349329XU patent/CN203309979U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016061829A1 (en) * | 2014-10-25 | 2016-04-28 | 佛山市顺德区合捷电器实业有限公司 | Noise-reducing silent range hood and smoke discharging tube |
| CN104501261A (en) * | 2015-01-05 | 2015-04-08 | 陈斌 | Range hood with indoor flue duct |
| CN104501262A (en) * | 2015-01-05 | 2015-04-08 | 陈斌 | Indoor flue duct with flue suction device for range hood |
| CN108194951A (en) * | 2017-12-29 | 2018-06-22 | 东莞市天合机电开发有限公司 | A kind of smoke exhaust pipe for being used to connect kitchen ventilator smoke outlet |
| CN108386890A (en) * | 2018-05-31 | 2018-08-10 | 广东美的厨房电器制造有限公司 | Range hood |
| CN109442512A (en) * | 2018-10-31 | 2019-03-08 | 郑浩 | A kind of kitchen ventilator pipe |
| CN110264788A (en) * | 2019-06-23 | 2019-09-20 | 山东交通学院 | A kind of Oral Training device of the Japanese Teaching with error correction |
| CN110375351A (en) * | 2019-06-27 | 2019-10-25 | 宁波方太厨具有限公司 | A kind of smoke exhaust pipe suitable for range hood |
| CN110375351B (en) * | 2019-06-27 | 2021-05-18 | 宁波方太厨具有限公司 | Smoke exhaust pipe suitable for range hood |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |