CN206073185U - Side-suction type range hood denoising device - Google Patents
Side-suction type range hood denoising device Download PDFInfo
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- CN206073185U CN206073185U CN201621013772.XU CN201621013772U CN206073185U CN 206073185 U CN206073185 U CN 206073185U CN 201621013772 U CN201621013772 U CN 201621013772U CN 206073185 U CN206073185 U CN 206073185U
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Abstract
This utility model is related to kitchen utensils field, it is therefore an objective to provide a kind of side-suction type range hood denoising device.A kind of side-suction type range hood denoising device, including：It is provided with the exhaust fume collecting hood of air inlet；Described side-suction type range hood denoising device also includes：The choke circle being connected located at air inlet import and with exhaust fume collecting hood, noise reduction air deflection assemblies；Noise reduction air deflection assemblies include：It is provided with the air-ducting ring that noise reduction aperture group and rear end are detachably connected with choke circle, absorbing sound and lowering noise circle, the transparent wind deflector pushed down absorbing sound and lowering noise circle and be connected with air-ducting ring.The side-suction type range hood denoising device noise reduction is preferable.
Description
Technical field
This utility model is related to kitchen utensils field, especially a kind of side-suction type range hood denoising device.
Background technology
Side extraction cooking fume extractor aspirates oil smoke from behind and above can improve operating environment, and reduce the requirement for height to kitchen；
A kind of smoke exhaust ventilator denoising device of the disclosure of the invention of Chinese Patent Application No. CN CN201310647938.8, including smoke exhaust pipe,
Sponge and reclaimed rubber, the denoising device are made up of the sponge and reclaimed rubber arranged successively, are wrapped in outside smoke exhaust pipe, device
Adsorption frequency is larger, and smoke pipe can be vibrated the middle low frequency noise basic absorption for producing, smoke exhaust ventilator noise is substantially reduced.The oil pumping
There is the poor deficiency of noise reduction for side extraction cooking fume extractor in cigarette machine denoising device, therefore, design a kind of noise reduction compared with
Good side-suction type range hood denoising device, becomes problem demanding prompt solution.
Utility model content
The purpose of this utility model is to overcome current smoke exhaust ventilator denoising device to deposit for side extraction cooking fume extractor
In the deficiency that noise reduction is poor, there is provided a kind of preferable side-suction type range hood denoising device of noise reduction.
Concrete technical scheme of the present utility model is：
A kind of side-suction type range hood denoising device, including：It is provided with the exhaust fume collecting hood of air inlet；Described side-suction type range hood drop
Device of making an uproar also includes：The choke circle being connected located at air inlet import and with exhaust fume collecting hood, noise reduction air deflection assemblies；Noise reduction wind deflector group
Part includes：The air-ducting ring that noise reduction aperture group and rear end are detachably connected with choke circle is provided with, absorbing sound and lowering noise circle pushes down absorbing sound and lowering noise
Circle and the transparent wind deflector being connected with air-ducting ring.The side-suction type range hood denoising device noise reduction is preferable；Located at air inlet
Choke circle and noise reduction air deflection assemblies are coordinated in air inlet formation negative pressure with choke circle, are conducive to happy property, the reduction of air intake
Turbulent flow reduces noise；The spout for replacing the gross area constant with many little spouts, when air-flow is through aperture, the frequency of jet noise
Compose and can shift to high frequency or hyperfrequency, the audible sound composition i.e. noise in frequency spectrum is substantially reduced；It is little with noise reduction using acoustical cotton
Hole combines, and noise reduction is more preferable.
Preferably, described air-ducting ring is provided with and blocking in absorbing sound and lowering noise circle the inner shield ring of gusset and blocking absorbing sound and lowering noise circle
The outer back-up ring of outer gusset；Noise reduction aperture group is made up of the wind-guiding noise reduction aperture that some circles are coaxially disposed；The two of wind-guiding noise reduction aperture
End respectively with air-ducting ring rear end and holding ring groove bottom insertion.Inner shield ring and outer back-up ring improve air-ducting ring rigidity and prevent from vibrating and make
Absorbing sound and lowering noise circle is easy for installation firm；The two ends of wind-guiding noise reduction aperture respectively with air-ducting ring rear end and holding ring groove bottom insertion energy
Improve noise reduction.
Preferably, described choke circle is provided with the annular endoporus and be filled in annular endoporus that shape of cross section is rectangle
Absorbing sound and lowering noise ring；Choke circle is provided with the choke that some circles are located at choke circle front end and interior gusset respectively and are connected with annular endoporus
Noise reduction aperture.Noise is reduced in air inlet to be conducive to absorbing vibrating noise and wind noise.
Preferably, the material of described absorbing sound and lowering noise circle is acoustical cotton；The material of absorbing sound and lowering noise ring is acoustical cotton.Cost
It is low and absorbing sound and lowering noise effect is good.
Preferably, being provided with absorbing sound and lowering noise pad between described choke circle rear end and exhaust fume collecting hood；The material of absorbing sound and lowering noise pad
For acoustical cotton.Absorbing sound and lowering noise pad can reduce vibration and the noise of choke circle and exhaust fume collecting hood.
Preferably, described air-ducting ring rear end is provided with magnetic block and superposed at least one extension positioned at bottom
Ring；Choke circle upper front end is provided with number and is linked up with link number identical；Hook is corresponded with link and hooks link；Magnetic
Suction block holds choke circle front end.
Described air-ducting ring rear end is provided with several magnetic blocks and at least one link positioned at upper rear end；Before choke circle
End top is provided with that number is identical with link number and hook that match with link；Hook is corresponded and hooks extension with link 16
Ring；Magnetic block holds choke circle front end.Hook link, magnetic block holds choke circle front end, make noise reduction air deflection assemblies with
Air-ducting ring stable connection and it is convenient to mount and dismount quick, and does not produce vibration and noise.
Compared with prior art, the beneficial effects of the utility model are：The side-suction type range hood denoising device noise reduction
Preferably；Coordinate with choke circle located at the choke circle and noise reduction air deflection assemblies of air inlet and negative pressure is formed in air inlet, be conducive to
The happy property of air intake, reduction turbulent flow reduce noise；The spout for replacing the gross area constant with many little spouts, when air-flow is through little
Kong Shi, the frequency spectrum of jet noise will shift to high frequency or hyperfrequency, the audible sound composition i.e. noise in frequency spectrum is substantially reduced；Profit
Combined with noise reduction aperture with acoustical cotton, noise reduction is more preferable.Inner shield ring and outer back-up ring improve air-ducting ring rigidity and prevent from vibrating and make
Absorbing sound and lowering noise circle is easy for installation firm；The two ends of wind-guiding noise reduction aperture respectively with air-ducting ring rear end and holding ring groove bottom insertion energy
Improve noise reduction.Choke circle is provided with annular endoporus and the absorbing sound and lowering noise ring being filled in annular endoporus, and choke circle is provided with some
Circle is located at choke circle front end and interior gusset and the choke noise reduction aperture connected with annular endoporus respectively, reduces noise in air inlet
Be conducive to absorbing vibrating noise and wind noise.Absorbing sound and lowering noise pad can reduce vibration and the noise of choke circle and exhaust fume collecting hood.Hook hook
Firmly link, magnetic block hold choke circle front end, make noise reduction air deflection assemblies and air-ducting ring stable connection and are convenient to mount and dismount fast, and
Do not produce vibration and noise.The material of absorbing sound and lowering noise circle, absorbing sound and lowering noise ring and absorbing sound and lowering noise pad is acoustical cotton, low cost and suction
Sound excellent noise reduction effect.
Description of the drawings
Fig. 1 is a kind of structural representation of the present utility model；
Fig. 2 is the configuration schematic diagram of noise reduction air deflection assemblies；
Fig. 3 is the enlarged drawing in Fig. 1 at A；
Fig. 4 is outline drawing of the present utility model.
In figure：Air inlet 1, exhaust fume collecting hood 2, choke circle 3, noise reduction air deflection assemblies 4, noise reduction aperture group 5, air-ducting ring 6, sound-absorbing
Noise reduction circle 7, transparent wind deflector 8, inner shield ring 9, wind-guiding noise reduction aperture 10, annular endoporus 11, absorbing sound and lowering noise ring 12, choke noise reduction are little
Hole 13, absorbing sound and lowering noise pad 14, magnetic block 15, link 16, outer back-up ring 17, hook 18.
Specific embodiment
It is shown below in conjunction with the accompanying drawings that this utility model is described further.
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4：A kind of side-suction type range hood denoising device, including：It is provided with air intake
Mouthful 1 exhaust fume collecting hood 2, the choke circle 3 located at 1 import of air inlet and with 2 mode connects for screw of exhaust fume collecting hood, noise reduction air deflection assemblies 4；Noise reduction
Air deflection assemblies 4 include：It is provided with the air-ducting ring 6 that noise reduction aperture group 5 and rear end are detachably connected with choke circle 3, absorbing sound and lowering noise circle
7, push down absorbing sound and lowering noise circle 7 and the transparent wind deflector 8 with 6 mode connects for screw of air-ducting ring.
Described air-ducting ring 6 is provided with to be blocked the inner shield ring 9 of gusset in absorbing sound and lowering noise circle 7 and blocks on the outside of absorbing sound and lowering noise circle 7
The outer back-up ring 17 for enclosing；Noise reduction aperture group 5 is made up of the wind-guiding noise reduction aperture 10 that six circles are coaxially disposed；The two of wind-guiding noise reduction aperture 10
End respectively with 6 rear end of air-ducting ring and holding ring groove bottom insertion.
Described choke circle 3 is provided with the annular endoporus 11 and the suction being filled in annular endoporus 11 that shape of cross section is rectangle
Sound noise reduction ring 12；Choke circle 3 is provided with four circles and is located at 3 front end of choke circle and interior gusset and the choke connected with annular endoporus 11 respectively
Noise reduction aperture 13；One circle choke noise reduction aperture 13 is located at 3 front end of choke circle；Three circle choke noise reduction apertures 13 are located in choke circle 3
Gusset and along in tandem.
Absorbing sound and lowering noise pad 14 is provided between described 3 rear end of choke circle and exhaust fume collecting hood 2.
In the present embodiment, described 6 rear end of air-ducting ring is provided with magnetic block 15 and superposed two extensions positioned at bottom
Ring 16；3 upper front end of choke circle is provided with number with 16 number identical of link hook 18；Hook 18 with link 16 correspond and
Hook link 16；Magnetic block 15 holds 3 front end of choke circle.
The material of described absorbing sound and lowering noise circle 7 is acoustical cotton；The material of absorbing sound and lowering noise ring 12 is acoustical cotton；Absorbing sound and lowering noise pad
14 material is acoustical cotton；The material of transparent wind deflector 8 is glass；Magnetic block 15 is magnet steel.
The beneficial effects of the utility model are：The side-suction type range hood denoising device noise reduction is preferable；Located at air inlet
Choke circle and noise reduction air deflection assemblies and choke circle coordinate and form negative pressure in air inlet, be conducive to the happy property of air intake, subtract
Few turbulent flow reduces noise；The spout that replaces the gross area constant with many little spouts, when air-flow is through aperture, jet noise
Frequency spectrum will shift to high frequency or hyperfrequency, the audible sound composition i.e. noise in frequency spectrum is substantially reduced；Using acoustical cotton and noise reduction
Aperture is combined, and noise reduction is more preferable.Inner shield ring and outer back-up ring improve air-ducting ring rigidity and prevent from vibrating and install absorbing sound and lowering noise circle
It is convenient firm；Noise reduction can be improved with air-ducting ring rear end and the insertion of holding ring groove bottom respectively in the two ends of wind-guiding noise reduction aperture.
Choke circle is provided with annular endoporus and the absorbing sound and lowering noise ring being filled in annular endoporus, and choke circle is provided with some circles and is located at choke respectively
Front end and interior gusset and the choke noise reduction aperture connected with annular endoporus are enclosed, and noise are reduced in air inlet and are conducive to absorbing vibration
Noise and wind noise.Absorbing sound and lowering noise pad can reduce vibration and the noise of choke circle and exhaust fume collecting hood.Hook 18 hooks link, magnetic block
Hold choke circle front end, make noise reduction air deflection assemblies and air-ducting ring stable connection and be convenient to mount and dismount it is quick, and do not produce vibration with
Noise.The material of absorbing sound and lowering noise circle, absorbing sound and lowering noise ring and absorbing sound and lowering noise pad is acoustical cotton, low cost and absorbing sound and lowering noise effect
It is good.
It is apparent to one skilled in the art that this utility model can change into various ways, and such change is not
Think to depart from scope of the present utility model.All such technical staff to the field obviously change, and will include
Within the scope of present claims.
Claims (5)
1. a kind of side-suction type range hood denoising device, including：It is provided with the exhaust fume collecting hood of air inlet；It is characterized in that：Described side-suction type
Lampblack absorber denoising device also includes：The choke circle being connected located at air inlet import and with exhaust fume collecting hood, noise reduction air deflection assemblies；Noise reduction
Air deflection assemblies include：The air-ducting ring that noise reduction aperture group and rear end are detachably connected with choke circle is provided with, absorbing sound and lowering noise circle is pushed down
Absorbing sound and lowering noise circle and the transparent wind deflector being connected with air-ducting ring.
2. side-suction type range hood denoising device according to claim 1, is characterized in that：Described air-ducting ring is provided with blocks suction
The inner shield ring of gusset and the outer back-up ring for blocking the outer gusset of absorbing sound and lowering noise circle in sound noise reduction circle；Noise reduction aperture group is coaxially set by some circles
The wind-guiding noise reduction aperture put is constituted；The two ends of wind-guiding noise reduction aperture respectively with air-ducting ring rear end and holding ring groove bottom insertion.
3. side-suction type range hood denoising device according to claim 1, is characterized in that：Described choke circle is provided with cross section
The annular endoporus for being shaped as rectangle and the absorbing sound and lowering noise ring being filled in annular endoporus；Choke circle is provided with some circles and is located at resistance respectively
Solar or lunar halo front end and interior gusset and the choke noise reduction aperture connected with annular endoporus.
4. the side-suction type range hood denoising device according to claim 1 or 2 or 3, is characterized in that：Described choke circle rear end
Absorbing sound and lowering noise pad is provided between exhaust fume collecting hood.
5. the side-suction type range hood denoising device according to claim 1 or 2 or 3, is characterized in that：Described air-ducting ring rear end
It is provided with the magnetic block and superposed at least one link positioned at bottom；Choke circle upper front end is provided with number and link number
Identical is linked up with；Hook is corresponded with link and hooks link；Magnetic block holds choke circle front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013772.XU CN206073185U (en) | 2016-08-31 | 2016-08-31 | Side-suction type range hood denoising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013772.XU CN206073185U (en) | 2016-08-31 | 2016-08-31 | Side-suction type range hood denoising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206073185U true CN206073185U (en) | 2017-04-05 |
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ID=58435155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621013772.XU Active CN206073185U (en) | 2016-08-31 | 2016-08-31 | Side-suction type range hood denoising device |
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| CN (1) | CN206073185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439961A (en) * | 2016-08-31 | 2017-02-22 | 杭州老板电器股份有限公司 | Side suction type extractor hood noise reduction device |
-
2016
- 2016-08-31 CN CN201621013772.XU patent/CN206073185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439961A (en) * | 2016-08-31 | 2017-02-22 | 杭州老板电器股份有限公司 | Side suction type extractor hood noise reduction device |
| CN106439961B (en) * | 2016-08-31 | 2018-06-12 | 杭州老板电器股份有限公司 | Side extraction cooking fume extractor denoising device |
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