CN205065855U - Spiral case and have its lampblack absorber - Google Patents
Spiral case and have its lampblack absorber Download PDFInfo
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- CN205065855U CN205065855U CN201520780941.1U CN201520780941U CN205065855U CN 205065855 U CN205065855 U CN 205065855U CN 201520780941 U CN201520780941 U CN 201520780941U CN 205065855 U CN205065855 U CN 205065855U
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- spiral case
- cover body
- end plate
- coaming plate
- lampblack absorber
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Abstract
The utility model provides a spiral case and have its lampblack absorber, wherein, the spiral case includes the spiral case body, the spiral case still includes: the cover body sets up on the spiral case body, forms accommodation space between the cover body and the spiral case body, inhale the sound structure, set up in accommodation space. The technical scheme of the utility model the great problem of noise when having solved the lampblack absorber use among the prior art.
Description
Technical field
The utility model relates to household electrical appliance technical field, in particular to a kind of spiral case and the lampblack absorber with it.
Background technology
Lampblack absorber is conventional household electrical appliance, and lampblack absorber comprises spiral case and is arranged on the blower fan in spiral case.Operationally, the air-flow in volute chamber is rotating boosting under the drive of impeller for lampblack absorber of the prior art, and can send larger noise when air-flow flows fast in spiral case, and then affects the result of use of product.
Utility model content
Main purpose of the present utility model is the lampblack absorber providing a kind of spiral case and have it, to solve the problem that when lampblack absorber of the prior art uses, noise is larger.
To achieve these goals, according to an aspect of the present utility model, provide a kind of spiral case, comprise spiral case body, spiral case also comprises: cover body, is arranged on spiral case body, forms spatial accommodation between cover body and spiral case body; Sound-absorbing structure, is arranged in spatial accommodation.
Further, cover body is positioned at the outside of spiral case body.
Further, cover body is provided with multiple hole or multiple groove.
Further, spiral case body comprises: volute coaming plate; First end plate and the second end plate, volute coaming plate is connected between the first end plate and the second end plate, and wherein, cover body is arranged on volute coaming plate.
Further, volute coaming plate, the first end plate, the second end plate and cover body surround spatial accommodation jointly.
Further, the outline of cover body and the outline of volute coaming plate suitable.
Further, spiral case body also comprises: outlet connections, and the two ends of cover body and the two ends of volute coaming plate are all connected on outlet connections.
Further, volute coaming plate, the first end plate and the second end plate surround blower fan chamber jointly.
Further, the material of sound-absorbing structure is acoustical cotton.
According to another aspect of the present utility model, provide a kind of lampblack absorber, comprise spiral case, spiral case is above-mentioned spiral case.
Application the technical solution of the utility model, spiral case comprises spiral case body and cover body, and wherein, cover body to be arranged on spiral case body and to form spatial accommodation with spiral case body.Spiral case also comprises sound-absorbing structure, and sound-absorbing structure is arranged in spatial accommodation.When lampblack absorber runs, acoustic energy can be converted into heat energy by sound-absorbing structure, and reduces the noise of radiation in wind wheel rotary course, thus reaches the object of noise reduction.Therefore the technical solution of the utility model solves the problem that when lampblack absorber of the prior art uses, noise is larger.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the cross-sectional schematic of the embodiment according to spiral case of the present utility model; And
Fig. 2 shows a left side for spiral case in Fig. 1 and looks schematic diagram.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, spiral case body; 11, volute coaming plate; 12, the first end plate; 13, the second end plate; 14, outlet connections; 20, cover body; 30, spatial accommodation; 40, sound-absorbing structure; 50, blower fan chamber.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Along with the raising of living standards of the people and the quickening of rhythm of life, people more and more focus on the quality of life household, and high quiet kitchen class household electrical appliance are more and more subject to the favor of consumer.In the performance of existing range hood, rank front two be Wind Volume and low noise, reduce the noise of lampblack absorber in start-up course is that opportunity is challenged again for designer and manufacturing enterprise, along with the realization of design and innovative idea, kitchen electric appliances constantly strides forward towards the domestic environment of low noise, high-quality, will become the trend of the household electrical appliance development such as following range hood.For the problems referred to above, this programme proposes a kind of worm frame, by means such as sound absorption, noise elimination, damping isolations, realizes the object reducing lampblack absorber noise.Adopt double-volute structure, between interior outer spiral casing, accompany sponge, utilize it excellent every punching, anti-vibration performance, acoustic energy to be converted into heat energy, reduce the partial noise of radiation in wind wheel rotary course, thus reach the object of noise reduction.The structure of the spiral case of the application is specific as follows:
As shown in Figure 1, the spiral case of the present embodiment comprises spiral case body 10, cover body 20 and sound-absorbing structure 40.Wherein, cover body 20 is arranged on spiral case body 10, and forms spatial accommodation 30 between cover body 20 and spiral case body 10.Sound-absorbing structure 40 is arranged in spatial accommodation 30.
The technical scheme of application the present embodiment, spiral case comprises spiral case body 10 and cover body 20, and wherein, cover body 20 to be arranged on spiral case body 10 and to form spatial accommodation 30 with spiral case body 10.Spiral case also comprises sound-absorbing structure 40, and sound-absorbing structure 40 is arranged in spatial accommodation 30.When lampblack absorber runs, acoustic energy can be converted into heat energy by sound-absorbing structure 40, and reduces the noise of radiation in wind wheel rotary course, thus reaches the object of noise reduction.Therefore the technical scheme of the present embodiment solves the problem that when lampblack absorber of the prior art uses, noise is larger.
Particularly, the sound-absorbing structure in the present embodiment is acoustical cotton filler, and acoustical cotton is embedded in spatial accommodation 30.Wherein, embedded thing is not limited to acoustical cotton, also can the sound-absorbing material such as sponge.
As shown in Figure 1, in the technical scheme of the present embodiment, cover body 20 is positioned at the outside of spiral case body 10, and then is convenient to manufacture processing.Certainly, also cover body 20 can be arranged in spiral case body 10, and and form spatial accommodation between spiral case body 10.
As shown in Figure 2, in the technical scheme of the present embodiment, cover body 20 is provided with multiple hole, and multiple hole is through hole and is evenly distributed on the surface of cover body 20.Multiple hole forms perforated microstructure, and cover body 20 is designed to perforated microstructure, and sound wave easily enters in micropore, and when the gas molecule in pore-throat excites generation vibration by sound wave, due to friction and damping action, a part of acoustic energy is consumed, thus reaches the object of sound absorption.Wherein, the structure that cover body 20 is arranged is not limited to perforated microstructure, and also can be designed as fluting, its mechanism of action is consistent with perforated microstructure with effect, all can reach the object reducing noise.
As depicted in figs. 1 and 2, in the technical scheme of the present embodiment, spiral case body 10 comprises volute coaming plate 11, first end plate 12 and the second end plate 13.Wherein, volute coaming plate 11 is connected between the first end plate 12 and the second end plate 13.Cover body 20 is arranged on volute coaming plate 11, and is positioned at the outside of volute coaming plate 11.Meanwhile, cover body 20 is connected between the first end plate 12 and the second end plate 13.Said structure makes volute coaming plate 11, first end plate 12, second end plate 13 and cover body 20 jointly surround spatial accommodation 30.
As depicted in figs. 1 and 2, in the technical scheme of the present embodiment, the outline of cover body 20 and the outline of volute coaming plate 11 suitable.Also namely in the present embodiment, volute coaming plate 11 is double-decker, is respectively interior volute coaming plate and outer volute coaming plate, forms spatial accommodation 30 between interior volute coaming plate and outer volute coaming plate.Wherein, outer volute coaming plate defines above-mentioned cover body 20.Certainly, as feasible embodiment, also the first end plate 12 or the second end plate 13 also can be arranged to double-decker, or volute coaming plate 11, first end plate 12 and the second end plate 13 are all arranged to double-decker, sound-absorbing structure 40 is arranged in the spatial accommodation 30 between double-decker.
As depicted in figs. 1 and 2, in the technical scheme of the present embodiment, spiral case body 10 also comprises outlet connections 14, and outlet connections 14 forms air outlet.Wherein, the two ends of cover body 20 and the two ends of volute coaming plate 11 are all connected on outlet connections 14.And then the spatial accommodation 30 made forms a closed chamber.
As shown in Figure 1, in the technical scheme of the present embodiment, volute coaming plate 11, first end plate 12 and the second end plate 13 surround blower fan chamber 50 jointly.Meanwhile, the first end plate 12 is provided with the air inlet be communicated with blower fan chamber 50, the second end plate 13 is provided with assembling mouth.
Present invention also provides a kind of lampblack absorber, the embodiment according to the lampblack absorber of the application comprises spiral case, and spiral case is above-mentioned spiral case.Layer worm frame is placed in range hood, vibration isolation sqouynd absorption lowering noise is carried out to lampblack absorber start-up course, concrete operations are placed in spiral case by wind wheel, after motor is installed on wind wheel, and coaxial with wind wheel, electric motor starting wind wheel high speed rotary motion, air-flow in volute chamber is rotating boosting under the drive of impeller, by the perforated microstructure of the sound-absorbing materials such as the sponge that double-volute structure is embedded and outer spiral casing, reduce most of noise of radiation in wind wheel rotary course, to reach noise reduction object.
Based on above-mentioned worm frame, in the process of lampblack absorber running, there is good noise reduction capability, reduce most of noise of wind wheel rotary radiation, for user provides relatively quietly environment for use.Sound-absorbing structure 40 adopts sponge or acoustical cotton.Above-mentioned material has good vibration isolation and sound-absorbing effect, greatly reduces a part of noise.Meanwhile, the good sound-absorbing performance of the perforated microstructure of cover body 20, again can absorption portion noise.The Double-noise-reduction measure of sound-absorbing structure 40 and perforated microstructure strengthens noise reduction, absorbs most of noise at wind wheel place, thus noise is reduced within the acceptable comfort standard of people's ear.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a spiral case, comprise spiral case body (10), it is characterized in that, described spiral case also comprises:
Cover body (20), is arranged on described spiral case body (10), forms spatial accommodation (30) between described cover body (20) and described spiral case body (10);
Sound-absorbing structure (40), is arranged in described spatial accommodation (30).
2. spiral case according to claim 1, is characterized in that, described cover body (20) is positioned at the outside of described spiral case body (10).
3. spiral case according to claim 2, is characterized in that, described cover body (20) is provided with multiple hole or multiple groove.
4. spiral case according to any one of claim 1 to 3, is characterized in that, described spiral case body (10) comprising:
Volute coaming plate (11);
First end plate (12) and the second end plate (13), described volute coaming plate (11) is connected between described first end plate (12) and described second end plate (13),
Wherein, described cover body (20) is arranged on described volute coaming plate (11).
5. spiral case according to claim 4, it is characterized in that, described volute coaming plate (11), described first end plate (12), described second end plate (13) and described cover body (20) surround described spatial accommodation (30) jointly.
6. spiral case according to claim 4, is characterized in that, the outline of described cover body (20) and the outline of described volute coaming plate (11) suitable.
7. spiral case according to claim 6, is characterized in that, described spiral case body (10) also comprises:
Outlet connections (14), the two ends of described cover body (20) and the two ends of described volute coaming plate (11) are all connected on described outlet connections (14).
8. spiral case according to claim 4, is characterized in that, described volute coaming plate (11), described first end plate (12) and described second end plate (13) surround blower fan chamber (50) jointly.
9. spiral case according to claim 1, is characterized in that, the material of described sound-absorbing structure (40) is acoustical cotton.
10. a lampblack absorber, comprises spiral case, it is characterized in that, the spiral case of described spiral case according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520780941.1U CN205065855U (en) | 2015-10-09 | 2015-10-09 | Spiral case and have its lampblack absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520780941.1U CN205065855U (en) | 2015-10-09 | 2015-10-09 | Spiral case and have its lampblack absorber |
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| Publication Number | Publication Date |
|---|---|
| CN205065855U true CN205065855U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520780941.1U Active CN205065855U (en) | 2015-10-09 | 2015-10-09 | Spiral case and have its lampblack absorber |
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| CN (1) | CN205065855U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716135A (en) * | 2016-04-14 | 2016-06-29 | 广东美的厨房电器制造有限公司 | Extractor hood |
| CN107975853A (en) * | 2018-01-11 | 2018-05-01 | 山东小鸭集团小家电有限公司 | A kind of low noise self-cleaning type range hood |
| CN110397631A (en) * | 2019-06-21 | 2019-11-01 | 上海德惠特种风机有限公司 | A kind of inhibition noise structure for blower |
-
2015
- 2015-10-09 CN CN201520780941.1U patent/CN205065855U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716135A (en) * | 2016-04-14 | 2016-06-29 | 广东美的厨房电器制造有限公司 | Extractor hood |
| CN105716135B (en) * | 2016-04-14 | 2018-05-01 | 广东美的厨房电器制造有限公司 | Range hood |
| CN107975853A (en) * | 2018-01-11 | 2018-05-01 | 山东小鸭集团小家电有限公司 | A kind of low noise self-cleaning type range hood |
| CN110397631A (en) * | 2019-06-21 | 2019-11-01 | 上海德惠特种风机有限公司 | A kind of inhibition noise structure for blower |
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