CN213777852U - Smoke exhaust ventilator - Google Patents
Smoke exhaust ventilator Download PDFInfo
- Publication number
- CN213777852U CN213777852U CN202022945053.4U CN202022945053U CN213777852U CN 213777852 U CN213777852 U CN 213777852U CN 202022945053 U CN202022945053 U CN 202022945053U CN 213777852 U CN213777852 U CN 213777852U
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- China
- Prior art keywords
- cover plate
- range hood
- protrusion
- wind cabinet
- soundproof cotton
- Prior art date
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- 239000000779 smoke Substances 0.000 title description 2
- 229920000742 Cotton Polymers 0.000 claims abstract description 24
- 230000009467 reduction Effects 0.000 claims description 28
- 238000012360 testing method Methods 0.000 description 4
- 206010066054 Dysmorphism Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The utility model relates to a kitchen electrical equipment technical field, concretely relates to range hood, include: a cabinet frame; the volute is arranged in the air cabinet frame and provided with an air inlet end; the cover plate assembly is arranged on the surface of the wind cabinet frame body opposite to the air inlet end, the inner side surface of the cover plate assembly is obliquely arranged and gradually inclines to one side close to the air inlet end from bottom to top; soundproof cotton provided on an inner side surface of the cover plate assembly. Through the inboard surface slope setting that makes the apron subassembly, soundproof cotton also sets up for the slope after installing the inboard surface of apron subassembly, and soundproof cotton adopts conventional cuboid shape can realize from supreme one side slope to being close to the air inlet end gradually down, can lead to the air current, avoids the air current to strike the roof of wind cabinet framework, also can reduce soundproof cotton's cost to reduce this range hood's cost.
Description
Technical Field
The utility model relates to a kitchen electrical equipment technical field, concretely relates to range hood.
Background
The range hood has the function of exhausting oil fume generated in the cooking process in a kitchen to the outside, and the centrifugal effect of the range hood can retain most of oil in the oil fume in the range hood, so that the pollution to air is reduced. At present, range hood has become the electrical home appliances that are essential in every family, and along with the development of science and technology and the improvement of people's standard of living, people also are more and more high to range hood's requirement, and not only range hood's performance reliability requires to improve, and the user experience who brings outward appearance and noise feels requires also to improve. At present, mainstream T type cigarette machine in the market comprises wind cabinet frame body subassembly, collection petticoat pipe subassembly, decorative board etc. and T type cigarette machine is because the noise that the wind wheel is rotatory or the air current flows the striking and produce at the wind cabinet class factor very puzzlement in work, can cause user's experience to feel relatively poor like this.
In order to solve the noise problem that the inside striking arouses on the wind cabinet because the air current flows among the prior art, set up soundproof cotton on the wind cabinet apron, soundproof cotton is that the lower extreme is thinner, and the thicker dysmorphism structure in upper end for in making the smooth leading-in spiral case of air current, avoid the air current to strike the wind cabinet roof and arouse the noise, and the cost of this kind of dysmorphism structure is higher.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the higher defect of soundproof cotton cost on the wind cabinet apron among the prior art to a range hood that can the noise abatement, again can reduce cost is provided.
In order to solve the technical problem, the utility model provides a pair of range hood, include:
a cabinet frame;
the volute is arranged in the air cabinet frame and provided with an air inlet end;
the cover plate assembly is arranged on the surface of the wind cabinet frame body opposite to the air inlet end, the inner side surface of the cover plate assembly is obliquely arranged and gradually inclines to one side close to the air inlet end from bottom to top;
soundproof cotton provided on an inner side surface of the cover plate assembly.
Optionally, the cover plate assembly comprises a wind cabinet cover plate and a noise reduction cover plate arranged on the inner side of the wind cabinet cover plate, and the noise reduction cover plate is obliquely arranged.
Optionally, at least a first protrusion is disposed between the noise reduction cover plate and the wind cabinet cover plate, and the first protrusion is disposed at a position close to the top end of the cover plate assembly.
Optionally, a second protruding portion is further disposed between the noise reduction cover plate and the wind cabinet cover plate, the second protruding portion is disposed below the first protruding portion, and a protruding height of the second protruding portion is smaller than a protruding height of the first protruding portion.
Optionally, the first protruding portion and the second protruding portion are both disposed on the outer side surface of the noise reduction cover plate.
Optionally, an included angle between the noise reduction cover plate and the air cabinet cover plate is A, and A is more than or equal to 1.5 degrees and less than or equal to 3 degrees.
Alternatively, a is 2.1 °.
Optionally, the protruding height of the first protruding part is h, and h is greater than or equal to 5.5mm and less than or equal to 6.5 mm.
Optionally, h is 6 mm.
Optionally, the soundproof cotton is rectangular parallelepiped in shape.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a range hood sets up through the inboard surface slope that makes the apron subassembly, and soundproof cotton installs the inboard surface back of apron subassembly, also sets up for the slope, and soundproof cotton adopts conventional cuboid shape can realize from supreme gradually to the lopsidedness that is close to the air inlet end down, can lead to the air current, avoids the air current to strike the roof of wind cabinet framework, also can reduce soundproof cotton's cost to reduce this range hood's cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a cross-sectional view of an acoustic wool used in the prior art;
fig. 2 is a schematic structural view of a range hood provided in embodiment 1 of the present invention;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a partial cross-sectional view of FIG. 2;
FIG. 5 is a partial enlarged view at C of FIG. 4;
fig. 6 is a cross-sectional view of soundproof cotton in the range hood provided in embodiment 1 of the present invention;
FIG. 7 is a graph of noise test curves at different tilt angles for a noise reduction cover plate;
fig. 8 is a noise test curve diagram when the included angle between the noise reduction cover plate and the wind cabinet cover plate is 2.1 degrees and the protruding heights of the first protruding parts are different.
Description of reference numerals:
1-a cabinet frame; 2-soundproof cotton; 3-noise reduction cover plate; 4-a hood cover plate; 5-a first projection; 6-second projection.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
In order to solve the problem of noise caused by airflow flowing and impacting on the air cabinet in the prior art, soundproof cotton is arranged on a cover plate of the air cabinet, and is of a special-shaped structure with a thinner lower end and a thicker upper end as shown in figure 1, so that the airflow is smoothly guided into a volute, the noise caused by the airflow impacting a top plate of the air cabinet is avoided, and the cost of the special-shaped structure is higher.
Therefore, the range hood provided by the embodiment can reduce noise and cost. In one embodiment, as shown in fig. 2 to 5, comprises a wind cabinet frame 1, a volute, a cover plate assembly, and soundproof cotton 2.
The volute is arranged in the air cabinet frame body 1 and provided with an air inlet end and an air outlet end, and the fan is arranged in the volute; the cover plate assembly is arranged on the surface of the wind cabinet frame body 1 opposite to the air inlet end, the inner side surface of the cover plate assembly is obliquely arranged and gradually inclines to one side close to the air inlet end from bottom to top; soundproof cotton 2 is provided on the inner side surface of the cover plate assembly. The inner surface refers to a surface facing the inside of the cabinet frame 1.
The range hood that this embodiment provided, through the inboard surface slope setting that makes the apron subassembly, soundproof cotton 2 installs behind the inboard surface of apron subassembly, also sets up for the slope, soundproof cotton 2 adopts conventional cuboid shape can realize from supreme one side slope to being close to the air inlet end gradually down, can lead to the air current, avoid the air current to strike the roof of wind cabinet framework 1, also can reduce soundproof cotton 2's cost, thereby reduce this range hood's cost.
In addition to the above embodiments, in a preferred embodiment, the cover plate assembly includes a wind cabinet cover plate 4 and a noise reduction cover plate 3 disposed inside the wind cabinet cover plate 4, and the noise reduction cover plate 3 is disposed in an inclined manner. In this implementation, can not change the structural shape of wind cabinet apron 4 among the prior art, only need to fall make an uproar apron 3 change can, the cost is lower.
On the basis of the above embodiments, in one embodiment, at least a first protrusion 5 is provided between the noise reduction cover plate 3 and the wind cabinet cover plate 4, and the first protrusion 5 is provided at a position close to the top end of the cover plate assembly. Through set up first bulge 5 between apron 3 and the wind cabinet apron 4 of making an uproar falls, can realize falling the apron 3 slope setting 4 of the relative wind cabinet apron of falling of noise, simple structure, convenient processing. In an alternative embodiment, a wedge-shaped structure with a thick upper end and a thin lower end may be disposed between the noise reduction cover plate 3 and the wind cabinet cover plate 4, and the noise reduction cover plate 3 may be disposed obliquely with respect to the wind cabinet cover plate 4.
On the basis of the above embodiments, in one embodiment, a second protruding portion 6 is further disposed between the noise reduction cover plate 3 and the wind cabinet cover plate 4, the second protruding portion 6 is disposed below the first protruding portion 5, and the protruding height of the second protruding portion 6 is smaller than the protruding height of the first protruding portion 5. Note that the protrusion height refers to the height of the first protrusion 5 and the second protrusion 6 in the lateral direction in fig. 5. Second bulge 6 and the cooperation of first bulge 5 realize making an uproar the apron of falling 3 and incline the setting relative to the wind cabinet apron 4. In an alternative embodiment, the second projection 6 may not be provided, and only the first projection 5 may be provided.
On the basis of the above embodiments, in one embodiment, the first and second projecting portions 5, 6 are provided on the outer side surface of the noise reduction cover plate 3. In this embodiment, since the structural size of the noise reduction cover plate 3 is smaller than that of the wind cabinet cover plate 4, the first protruding portion 5 and the second protruding portion 6 are disposed on the noise reduction cover plate 3, which is more beneficial to processing. In an alternative embodiment, the first and second protrusions 5 and 6 may be provided on the inner side surface of the hood cover 4.
On the basis of the above embodiment, in one embodiment, the included angle between the noise reduction cover plate 3 and the wind cabinet cover plate 4 is A, and A is more than or equal to 1.5 degrees and less than or equal to 3 degrees.
In a preferred embodiment, a is 2.1 °. Through tests, as shown in fig. 7, when the included angle between the noise reduction cover plate 3 and the wind cabinet cover plate 4 is 2.1 °, the noise is minimum.
In addition to the above embodiments, in one embodiment, the first projecting portion 5 has a projecting height h of 5.5 mm. ltoreq. h.ltoreq.6.5 mm.
In a preferred embodiment, h is 6mm, in addition to the above embodiments. Through tests, as shown in fig. 8, when the included angle between the noise reduction cover plate 3 and the wind cabinet cover plate 4 is 2.1 °, and the protruding height of the first protruding portion 5 is 6mm, the noise is minimum, and the noise reduction effect is best.
In addition to the above embodiments, in a preferred embodiment, as shown in fig. 6, the soundproof cotton 2 has a rectangular parallelepiped shape. In this embodiment, the soundproof cotton 2 is low in cost.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A range hood, comprising:
a wind cabinet frame body (1);
the volute is arranged in the air cabinet frame body (1) and is provided with an air inlet end;
the cover plate assembly is arranged on the surface of the wind cabinet frame body (1) opposite to the air inlet end, the inner side surface of the cover plate assembly is obliquely arranged and gradually inclines to one side close to the air inlet end from bottom to top;
soundproof cotton (2) provided on an inner side surface of the cover plate assembly.
2. The range hood according to claim 1, wherein the cover plate assembly comprises a wind cabinet cover plate (4) and a noise reduction cover plate (3) arranged at the inner side of the wind cabinet cover plate (4), and the noise reduction cover plate (3) is obliquely arranged.
3. The range hood according to claim 2, wherein at least a first protrusion (5) is disposed between the noise reduction cover plate (3) and the hood cover plate (4), and the first protrusion (5) is disposed at a position close to a top end of the cover plate assembly.
4. The range hood according to claim 3, wherein a second protrusion (6) is further disposed between the noise reduction cover plate (3) and the wind cabinet cover plate (4), the second protrusion (6) is disposed below the first protrusion (5), and a protrusion height of the second protrusion (6) is smaller than a protrusion height of the first protrusion (5).
5. The range hood according to claim 4, wherein the first protrusion (5) and the second protrusion (6) are both disposed on the outer side surface of the noise reduction cover plate (3).
6. The range hood according to claim 4, wherein the included angle between the noise reduction cover plate (3) and the wind cabinet cover plate (4) is A, and A is more than or equal to 1.5 degrees and less than or equal to 3 degrees.
7. The range hood of claim 6, wherein A is 2.1 °.
8. The range hood according to claim 7, wherein the first protrusion (5) has a protrusion height h, wherein h is greater than or equal to 5.5mm and less than or equal to 6.5 mm.
9. The range hood of claim 8, wherein h is 6 mm.
10. The range hood according to any one of claims 1 to 9, wherein the soundproof cotton (2) is rectangular parallelepiped in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945053.4U CN213777852U (en) | 2020-12-07 | 2020-12-07 | Smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945053.4U CN213777852U (en) | 2020-12-07 | 2020-12-07 | Smoke exhaust ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213777852U true CN213777852U (en) | 2021-07-23 |
Family
ID=76898107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022945053.4U Active CN213777852U (en) | 2020-12-07 | 2020-12-07 | Smoke exhaust ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213777852U (en) |
-
2020
- 2020-12-07 CN CN202022945053.4U patent/CN213777852U/en active Active
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