CN209445436U - A kind of mute range hood - Google Patents
A kind of mute range hood Download PDFInfo
- Publication number
- CN209445436U CN209445436U CN201821605966.8U CN201821605966U CN209445436U CN 209445436 U CN209445436 U CN 209445436U CN 201821605966 U CN201821605966 U CN 201821605966U CN 209445436 U CN209445436 U CN 209445436U
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- China
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- air inlet
- noise reduction
- mounting cup
- fan assembly
- range hood
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Abstract
The utility model relates to a kind of mute range hoods.It solves that existing range hood noise is big and some range hoods reduce air quantity to reduce noise, there are problems that performance decline.Range hood includes cabinet and the smoke deflector component with smoke machine air inlet, fan assembly is installed in cabinet, fan assembly has air inlet, cabinet includes the mounting cup above smoke deflector component, fan assembly is at least partly installed in mounting cup, the silencing cavity being located above smoke machine air inlet is formed between fan assembly and mounting cup, noise reduction component is provided in silencing cavity, noise reduction component is located at the top of the air inlet in the horizontal direction.The utility model reasonable structural arrangement reduces range hood volume.Noise reduction component is set between fan assembly and mounting cup, noise caused by the oil smoke entered is absorbed by noise reduction component, reduces the noise of range hood.
Description
Technical field
The utility model relates to a kind of range hood technical field more particularly to a kind of mute range hoods.
Background technique
Range hood is widely applied kitchen appliance in current people's life.Extractor hood structure includes cabinet and is located at
The intracorporal fan assembly of case, fan assembly include motor-driven blower, and the oil smoke in kitchen ventilator, and wind is sucked out by blower
The noise that the work of mechanical, electrical machine and the flowing of air-flow all can cause range hood very big.Noise is oil suction on the market greatly at present
A big pain spot existing for smoke machine, and noise is reduced by way of reducing air quantity there is also some range hoods on the market, but
This meeting is lost more than gain so that the decline of range hood performance.
Summary of the invention
The utility model mainly solves that existing range hood noise is big and some range hoods reduce air quantity to reduce
There is performance decline in noise, provide a kind of mute range hood.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of mute range hood, including cabinet
And the smoke deflector component with smoke machine air inlet, fan assembly is installed in cabinet, the fan assembly is entered the wind with blower
Mouthful, the cabinet includes the mounting cup above smoke deflector component, and the fan assembly is at least partly installed in mounting cup,
The silencing cavity being located above smoke machine air inlet is formed between the fan assembly and the mounting cup, is arranged in the silencing cavity
There is noise reduction component, the noise reduction component is located at the top of the air inlet in the horizontal direction.The utility model mounting cup position
Above smoke deflector component, fan assembly is partly installed in mounting cup, reasonable structural arrangement, reduces range hood volume, oil
Cigarette is entered between fan assembly and mounting cup by smoke machine air inlet, improves wind pressure, is conducive to improve smoke absorption effect.In blower fan group
Noise reduction component is set between part and mounting cup, noise caused by the oil smoke entered is absorbed by noise reduction component, is reduced
The noise of range hood.Noise reduction component is located in the horizontal direction above air inlet, so that noise reduction component will not be kept off in wind
On machine air inlet, the loss of air inlet power is avoided.
Scheme as a preference of the above scheme, the noise reduction component is located at the mounting cup top corner, and institute
It states antetheca of the lower surface of noise reduction component from fan assembly to mounting cup to tilt down, the noise reduction component is close to the mounting cup
The minimum point of antetheca be not less than the air inlet in the horizontal direction.Noise reduction component lower surface is skewed in this programme,
Realize the guide functions to oil smoke, enable oil smoke it is more smooth enter fan assembly, avoid oil smoke air-flow and mounting cup
It directly hits and causes loud noise, while also improving smoke absorption effect.Noise reduction component close to mounting cup antetheca it is minimum
Point avoids air inlet so that noise reduction component will not be kept off on air inlet not less than the air inlet in the horizontal direction
The loss of power.
Scheme as a preference of the above scheme, the smoke machine air inlet, the antetheca of the mounting cup, the noise reduction group
The lower surface of part and the air inlet form the silencing cavity that longitudinal cross-section is quadrangle.Silencing cavity longitudinal cross-section is four
Side shape, internal structure is simple, and the turning quantity for generating vortex is few, and generation noise is few during oil smoke contacts silencing cavity, moreover it is possible to subtract
Lacking the silencing cavity that oil smoke is formed along the loss of silencing cavity flow process wind pressure, this programme concentrates oil smoke into range hood
Inside avoids oil smoke from overflowing.
Scheme as a preference of the above scheme, the cabinet further include the exhaust fume collecting hood below the mounting cup,
The smoke deflector component is installed on the exhaust fume collecting hood, and the fan assembly runs through mounting cup and exhaust fume collecting hood up and down.In this programme
Fan assembly is installed through in mounting cup and exhaust fume collecting hood, the silencing cavity formed between fan assembly and mounting cup, exhaust fume collecting hood
Both it plays cigarette effect, is convenient for fume exhaust, while also the raw noise of cooking fume miscarriage is absorbed, play noise reduction work
With this programme is reasonable in design, reduces range hood volume.
Scheme as a preference of the above scheme, the fan assembly is obliquely installed in the cabinet, and the wind
Machine air inlet is towards the smoke machine air inlet.Air inlet is towards smoke machine air inlet in this programme, so that oil smoke enters smoke machine
Air inlet can more smoothly be entered after air inlet, changed without larger path, flow path shortens, and avoids oil smoke and cigarette
It is excessively collided inside machine and generates loud noise, while being also beneficial to fan assembly fume-exhausting, improve range hood efficiency.
Scheme as a preference of the above scheme, the noise reduction component include web plate and silencing cotton, the web plate and peace
Installation cavity is formed between dress cover, the silencing cotton is set in the installation cavity, and the width of the web plate is not less than the blower
The diameter of air inlet.The space of installation silencing cotton is formed between web plate and mounting cup, and web plate plays the work to silencing cotton support
With.Web plate width is not less than the diameter of the air inlet, the noise that fan assembly is generated in air inlet
Under the shrouding of entire noise reduction component, the noise of fan assembly generation is effectively reduced.
Scheme as a preference of the above scheme, the web plate have towards the noise reduction face of the smoke machine air inlet, institute
The noise reduction face of stating and the spacing of smoke machine air inlet are gradually expanded from far from air inlet to close to air inlet, the noise reduction face
Angle with smoke machine air inlet is 15 ° -85 °.The silencing cotton of web plate is towards smoke machine air inlet in this programme, so that the oil smoke entered
The noise of generation can more directly reach the noise reduction face of web plate, play good erasure effect.Between noise reduction face and smoke machine air inlet
Away from being gradually expanded from far from air inlet to close to air inlet, is formed to air inlet diffusion shape, oil smoke is risen
Cooking smoke guiding air inlet is played into better smoke absorption effect to guide functions.When the noise reduction face and smoke machine air inlet
Angle less than 15 °, the noise reduction face becomes larger with air inlet angle, thus the noise reduction face with respect to air inlet tilt
Degree becomes smaller, and noise reduction component is deteriorated to cooking fume guiding effect；When the angle of the noise reduction face and smoke machine air inlet is greater than 85 °, institute
The noise reduction face of stating becomes smaller with air inlet angle, and the noise reduction face length increases, and corresponding noise reduction cavity space reduces, and erasure effect becomes
Difference.
Scheme as a preference of the above scheme, several kidney-shaped mesh of laterally arranging on the web plate, each waist
Shape mesh is in longitudinally disposed.Kidney slot is offered on web plate, is capable of increasing sound-absorbing area under the premise of guaranteeing the intensity of web plate,
The area for increasing sound-proof material exposing simultaneously, preferably promotes sound-absorbing effect.
Scheme as a preference of the above scheme, the web plate are equipped with close to the one side edge of the mounting cup and are turned under
First flange of folding, the web plate are equipped with the second flange being folded upward at close to the one side edge of the fan assembly, and web plate is whole
Body is in Z-shaped.Web plate is in zigzag, can play position-limiting action to acoustical cotton thereon for installing simultaneously.
Scheme as a preference of the above scheme, first flange are fixedly connected with the mounting cup, and described second
Flange is vacantly arranged, and shockproof gap is equipped between second flange and the fan assembly.The first flange is used in this programme
It is fixed in mounting cup, the second flange plays position-limiting action to silencing cotton upwards, and the second flange is vacantly arranged so that web plate has
Certain elasticity can carry out deformation with cooking fume stream, avoid web plate and fix and driven by oil smoke air-flow and generate noise.?
Shockproof gap is equipped between two flange fan assemblies, it is therefore prevented that the second flange made a noise due to vibration with fan assembly collision
Problem.
The utility model has the advantages that:
1. between fan assembly and mounting cup be arranged noise reduction component, enable enter oil smoke caused by noise by
Noise reduction component absorbs, and reduces the noise of range hood.
2. noise reduction component is located in the horizontal direction above air inlet, so that noise reduction component will not be kept off in air inlet
On, avoid the loss of air inlet power.
3. noise reduction component lower surface be it is skewed, realize the guide functions to oil smoke, enable oil smoke more smooth into
Enter fan assembly, avoid oil smoke air-flow and mounting cup directly hits and causes loud noise, while also improving fume-exhausting effect
Fruit.
4. noise reduction component includes zigzag web plate, the first flange and mounting cup are installed on web plate, and the second flange is outstanding on web plate
Sky so that web plate have certain elasticity, can with cooking fume stream carry out deformation, avoid web plate fix and by oil smoke air-flow band
Movable property gives birth to noise.
5. fan assembly is installed through in mounting cup and exhaust fume collecting hood, the shape between fan assembly and mounting cup, exhaust fume collecting hood
At silencing cavity both play cigarette effect, improve smoke absorption effect, while also absorbing to cooking fume raw noise of miscarrying, rise
To Noise Reduction, and it is reasonable in design, reduce range hood volume.
6. fan assembly is obliquely installed, air inlet is towards smoke machine air inlet, so that after oil smoke enters smoke machine air inlet
Air inlet can more smoothly be entered, changed without larger path, excessive collision inside oil smoke and smoke machine is avoided and generate
Loud noise, while it being also beneficial to fan assembly fume-exhausting, improve range hood efficiency.
7. forming the noise reduction that longitudinal cross-section is quadrangle between air inlet, noise reduction component, mounting cup, smoke machine air inlet
Chamber enters inside range hood so that oil smoke is concentrated, and the spacing of web plate noise reduction face and smoke machine air inlet is entered the wind from far from blower
Mouth is gradually expanded to close to air inlet, is formed to air inlet diffusion shape, plays guide functions to oil smoke, by oil smoke
It is oriented to air inlet, plays better smoke absorption effect.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-sectional view of kitchen ventilator described in the utility model；
Fig. 2 is a kind of structural schematic diagram of web plate in the utility model.
1- cabinet 2- mounting cup 3- exhaust fume collecting hood 4- smoke machine air inlet 5- silencing cavity 6- fan assembly 7- wind
Machine air inlet 8- web plate 9- silencing cotton the first flange of 10- the second flange of 11- 12- kidney-shaped mesh 13- shockproof
The noise reduction face gap 14- smoke deflector component 15- noise reduction component 16-.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing being further described to the technical solution of the utility model.
Embodiment:
A kind of mute range hood of the present embodiment, as shown in Figure 1, including cabinet 1 and the smoke deflector with smoke machine air inlet 4
Component 14, is equipped with fan assembly 6 in cabinet, and fan assembly has air inlet 7.Cabinet includes being located at smoke deflector component
The mounting cup 2 and the exhaust fume collecting hood 3 below mounting cup of 14 tops.It is formed between fan assembly and mounting cup and is located at smoke machine air inlet
Silencing cavity 5 above mouthful, is provided with noise reduction component 15 in silencing cavity.
Noise reduction component 15 is mounted at mounting cup top corner, is generally entered the oil smoke of cabinet, is turned at the top of mounting cup
Vortex easy to form at angle, vortex will cause air quantity, the loss of wind pressure and the raising of noise, and be enclosure space in cabinet,
It is also easy to form reverberation chamber in box house, causes roar.Between fan assembly and mounting cup, specifically on mounting cup top
Noise reduction component is arranged in corner, portion, eliminates oil smoke vortex caused by cabinet corner of entrance, reduces air whirl
The noise of generation.
And antetheca of the lower surface of noise reduction component from fan assembly to mounting cup tilts down, and plays water conservancy diversion to oil smoke and makees
With, enable oil smoke it is more smooth enter fan assembly, avoid oil smoke air-flow and directly hit with mounting cup and cause larger make an uproar
Sound, while also improving smoke absorption effect.In addition, noise reduction component is not low in the horizontal direction close to the minimum point of the antetheca of mounting cup
In air inlet, so that noise reduction component will not be kept off on air inlet, the loss of air inlet power is avoided.
Specifically, noise reduction component 15 includes web plate 8 and silencing cotton 9, installation cavity, silencing cotton are formed between web plate and mounting cup
It is set in installation cavity, the front surface of silencing cotton and upper surface are fixed with mounting cup antetheca and roof by viscose glue respectively.
Web plate plays a supporting role to silencing cotton.The width of web plate is not less than the diameter of the air inlet.So that fan assembly in
The noise that air inlet generates can effectively reduce making an uproar for fan assembly generation under the shrouding of entire noise reduction component
Sound.
As shown in Fig. 2, web plate 8 has towards the noise reduction face of smoke machine air inlet 16, one side edge of the web plate close to mounting cup 2
Equipped with the first flange 10 bent downward, web plate is equipped with the second flange 11 being folded upward at close to the one side edge of fan assembly 6,
Web plate is integrally in Z-shaped.First flange is fixedly connected with mounting cup, and the second flange is vacantly arranged, and the second flange is together with web plate
Limit is carried out to sound-proof material to fix.The angle of noise reduction face and smoke machine air inlet is 15 ° -85 ° after web plate installation, in the present embodiment
The angle is preferably 50 °.Web plate installation is fixed using the first flange, and the second flange is hanging, so that web plate has certain elasticity,
Deformation can be carried out with cooking fume stream, avoid web plate and fix and driven by oil smoke air-flow and generate noise.And in order to prevent
Two flange make a noise due to vibration with fan assembly collision, and shockproof gap 13 is equipped between the second flange 11 and fan assembly 6.
It laterally arranges on web plate several kidney-shaped mesh 12, each kidney-shaped mesh is in longitudinally disposed.The setting energy of kidney-shaped mesh
Enough increase sound-absorbing area, while increasing the area of sound-proof material exposing, preferably promotes sound-absorbing effect, and sound wave is directly by sound-proof material
Absorption noise reduction is carried out, sound wave is avoided to reflect on web plate.In addition kidney-shaped mesh is additionally provided with inside flange, and flange is promoted
The intensity of web plate, prevent from dividing it is excessive cause oil network to deform and oppress sound-proof material, improve the service life of sound-proof material.
6 bottom of fan assembly is installed on exhaust fume collecting hood, and fan assembly runs through in mounting cup 2 and exhaust fume collecting hood 3 up and down, and
Fan assembly is to be obliquely installed in cabinet 1, and air inlet 7 is towards smoke machine air inlet 4.By fan assembly through mounting cup and
Exhaust fume collecting hood installation, mounting structure is reasonable, reduces the volume of range hood.And fan assembly is obliquely installed, so that blower is entered the wind
Mouth can more smoothly enter air inlet after capable of entering air inlet towards smoke machine air inlet, oil smoke, be not necessarily to larger path
Change, avoids excessive collision inside oil smoke and smoke machine and generate loud noise, while being also beneficial to fan assembly fume-exhausting, mention
High range hood efficiency.
Fan assembly inclination installation, noise reduction component rear surface and fan assembly match and, the table after noise reduction component when being arranged
Face is parallel with plane where air inlet, so that noise reduction face can be made to exist in the case where not reducing noise reduction component silencing cotton
It is more convenient when installation, but also the period that the noise that fan assembly generates below silencing cotton reaches silencing cotton keeps basic one
It causes.
The mounting structure of fan assembly, noise reduction component, so that smoke machine air inlet 4, the antetheca of mounting cup 2, noise reduction component 15
Lower surface and air inlet 7 form longitudinal cross-section be quadrangle above-mentioned silencing cavity, silencing cavity both play cigarette effect
Fruit is convenient for fume exhaust, while also absorbing to the raw noise of cooking fume miscarriage, plays Noise Reduction.And noise reduction group
The noise reduction face of 15 web plate 8 of part and the spacing of smoke machine air inlet 4 are gradually expanded from far from air inlet to close to air inlet,
It is formed to air inlet diffusion shape, guide functions is played to oil smoke, by cooking smoke guiding air inlet, play better suction
Oil smoke effect.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although the terms such as cabinet, mounting cup, exhaust fume collecting hood, smoke machine air inlet, silencing cavity are used more herein, not
It rules out the possibility of using other terms.The use of these items is only for be more convenient to describe and explain sheet of the invention
Matter；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (10)
1. a kind of mute range hood is equipped with wind including cabinet and with the smoke deflector component of smoke machine air inlet in cabinet
Thermomechanical components, the fan assembly have air inlet, it is characterised in that: the cabinet includes being located above smoke deflector component
Mounting cup, the fan assembly are at least partly installed in mounting cup, form position between the fan assembly and the mounting cup
Silencing cavity above smoke machine air inlet is provided with noise reduction component in the silencing cavity, and the noise reduction component is in the horizontal direction
Positioned at the top of the air inlet.
2. a kind of mute range hood according to claim 1, it is characterized in that the noise reduction component is located at the mounting cup
At top corner, and antetheca of the lower surface of the noise reduction component from fan assembly to mounting cup tilts down, the noise reduction group
Part is not less than the air inlet close to the minimum point of the antetheca of the mounting cup in the horizontal direction.
3. a kind of mute range hood according to claim 2, it is characterized in that the smoke machine air inlet, the mounting cup
Antetheca, the lower surface of the noise reduction component and the air inlet form the silencing cavity that longitudinal cross-section is quadrangle.
4. a kind of mute range hood according to claim 1, it is characterized in that the cabinet further includes being located at the installation
Cover the exhaust fume collecting hood of lower section, the smoke deflector component is installed on the exhaust fume collecting hood, the fan assembly run through up and down mounting cup and
Exhaust fume collecting hood.
5. a kind of mute range hood according to claim 4, it is characterized in that the fan assembly is obliquely installed in described
In cabinet, and the air inlet is towards the smoke machine air inlet.
6. a kind of mute range hood according to claim 1-5, it is characterized in that the noise reduction component includes net
Plate and silencing cotton form installation cavity between the web plate and mounting cup, the silencing cotton is set in the installation cavity, the net
The width of plate is not less than the diameter of the air inlet.
7. a kind of mute range hood according to claim 6, it is characterized in that the web plate have towards the smoke machine into
The noise reduction face in air port, the spacing of the noise reduction face and smoke machine air inlet from far from air inlet to close to air inlet gradually
Expand, the angle of the noise reduction face and smoke machine air inlet is 15 ° -85 °.
8. a kind of mute range hood according to claim 6, it is characterized in that several waists of laterally arranging on the web plate
Shape mesh, each kidney-shaped mesh is in longitudinally disposed.
9. a kind of mute range hood according to claim 6, it is characterized in that the web plate is close to the one of the mounting cup
Side edge is equipped with the first flange for bending downward, and the web plate is equipped with close to the one side edge of the fan assembly to be folded upward at
Second flange, web plate are integrally in Z-shaped.
10. a kind of mute range hood according to claim 9, it is characterized in that first flange and the mounting cup are solid
Fixed connection, second flange are vacantly arranged, and shockproof gap is equipped between second flange and the fan assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605966.8U CN209445436U (en) | 2018-09-29 | 2018-09-29 | A kind of mute range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605966.8U CN209445436U (en) | 2018-09-29 | 2018-09-29 | A kind of mute range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209445436U true CN209445436U (en) | 2019-09-27 |
Family
ID=68009389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821605966.8U Active CN209445436U (en) | 2018-09-29 | 2018-09-29 | A kind of mute range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209445436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203111A (en) * | 2021-04-29 | 2021-08-03 | 宁波方太厨具有限公司 | Range hood and noise reduction control method thereof |
-
2018
- 2018-09-29 CN CN201821605966.8U patent/CN209445436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203111A (en) * | 2021-04-29 | 2021-08-03 | 宁波方太厨具有限公司 | Range hood and noise reduction control method thereof |
| CN113203111B (en) * | 2021-04-29 | 2022-10-21 | 宁波方太厨具有限公司 | Range hood and noise reduction control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230506 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |
|
| TR01 | Transfer of patent right |