CN207527677U - It is a kind of can noise reduction spiral case system and its kitchen ventilator - Google Patents

It is a kind of can noise reduction spiral case system and its kitchen ventilator Download PDF

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Publication number
CN207527677U
CN207527677U CN201721592862.3U CN201721592862U CN207527677U CN 207527677 U CN207527677 U CN 207527677U CN 201721592862 U CN201721592862 U CN 201721592862U CN 207527677 U CN207527677 U CN 207527677U
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China
Prior art keywords
spiral case
noise reduction
fixed
sound arrester
hole
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CN201721592862.3U
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任富佳
吕立丰
杜文强
卢列存
余国成
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Hangzhou Robam Appliances Co Ltd
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Hangzhou Robam Appliances Co Ltd
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Abstract

The utility model discloses it is a kind of can noise reduction spiral case system, mainly include spiral case ontology, the spiral case ontology is at volute tongue and its underpart is equipped with noise reduction hole, is fixed on spiral case ontology by fixed plate covered with sound arrester, sound arrester outside the noise reduction hole.The utility model reduces the overall noise of range hood, will not increase the volume of noise during range hood air quantity, wind pressure is promoted, and reduces the noise of range hood at work.

Description

It is a kind of can noise reduction spiral case system and its kitchen ventilator
Technical field
The utility model is related to volute structures, and in particular to it is a kind of can noise reduction spiral case system and its kitchen ventilator.
Background technology
Present range hood realizes smoking smoke evacuation using spiral case system mostly, and the design of spiral case system directly embodies fume-exhausting The overall performance of machine.But under normal circumstances, during range hood air quantity, wind pressure is promoted, range hood can be increased Noise, the main source of noise is spiral case system.
Utility model content
In view of the above problems, the utility model proposes it is a kind of can noise reduction spiral case system and its kitchen ventilator, by spiral case The special designing of structure reduces the overall noise of spiral case.
What the technical solution of the utility model was realized in:It is this can noise reduction spiral case system, mainly include spiral case sheet Body, the spiral case ontology is at volute tongue and its underpart is equipped with noise reduction hole, covered with sound arrester, sound-absorbing outside the noise reduction hole Device is fixed on by fixed plate on spiral case ontology.
Further, the spiral case ontology includes spiral case and spiral case plate, and spiral case is mutually permanently connected with spiral case plate, spiral case At volute tongue and the lower surface of spiral case is equipped with noise reduction hole, and the top of spiral case plate is equipped with noise reduction hole.
Further, the sound arrester is rectangular configuration, and four corners of the sound arrester pass through fixed plate It is fixed on spiral case ontology.
Further, the sound arrester on noise reduction hole of the spiral case at volute tongue passes through long fixed plate, short fixation Plate I and short fixed plate II are fixed, and sound arrester is fixed at the volute tongue of spiral case by short fixed plate I and short fixed plate II, far It is fixed from volute tongue by long fixed plate.
Further, the sound arrester on the noise reduction hole of the spiral case lower surface is fixed by outer stationary plates, spiral case plate Noise reduction hole on sound arrester fixed by outer stationary plates.
Further, the outer stationary plates are equipped with noise reduction hole.
Further, the noise reduction hole is uniformly and dense distribution is in spiral case, the whole of spiral case plate and outer stationary plates or portion Divide on surface.
Further, the sound arrester is noise reduction cotton, and noise reduction cotton is covered in the top in noise reduction hole, the size of noise reduction cotton Match with the noise reduction hole area covered.
Further, the noise reduction cotton is directly anchored to by viscose glue on spiral case ontology.
This range hood, including body, in the body equipped with it is described above can noise reduction spiral case system.
The beneficial effects of the utility model:
(1), the utility model is equipped with several place's noise reduction holes on spiral case ontology, and noise reduction hole is outer covered with sound arrester, drops The low overall noise of range hood will not increase the volume of noise during range hood air quantity, wind pressure is promoted, Reduce the noise of range hood at work.
(2), noise reduction hole is equipped on spiral case and spiral case plate, the noise reduction in noise reduction hole is equipped with more than single spiral case It is good.
(3), noise reduction hole is uniformly and dense distribution is on all or part of surface of spiral case, spiral case plate and outer stationary plates, makes an uproar The effect of sound spreads out by noise reduction hole, plays preliminary noise reduction.
(4), the sound arrester of the top covering in noise reduction hole is noise reduction cotton, will be in spiral case system using fluid mechanics principle Noise absorption caused by the disorderly air-flow of divertical motion is needed, and then reduces the overall noise of range hood.
(5), have can noise reduction spiral case system range hood, overall noise is low, and spiral case system structure is simple, production dress The feasible height matched provides facility to manufacture and assembling, and cost is relatively low.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the spiral case system decomposition structure diagram of the utility model.
Fig. 2 is the spiral case system structure diagram of the utility model.
In figure:Spiral case 1, spiral case plate 2, noise reduction cotton 3, long fixed plate 4, short fixed plate I 5, short fixed plate II 6, outer stationary plates 7。
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment 1:It is this can noise reduction spiral case system, mainly include spiral case ontology, the spiral case ontology is at volute tongue And its underpart is equipped with noise reduction hole, and spiral case is fixed on by fixed plate covered with sound arrester, sound arrester outside the noise reduction hole On ontology.By noise absorption caused by the disorderly air-flow that divertical motion is needed in spiral case system, and then reduce range hood Overall noise, and it is simple in structure, and feasibility is high, and facility is provided to manufacture and assembling.
In addition, noise reduction cotton 3 can be directly anchored on spiral case ontology by viscose glue, and fixed without fixed plate.
Embodiment 2:On the basis of embodiment 1, the sound arrester is rectangular configuration, and four corners of sound arrester are equal It is fixed on spiral case ontology by fixed plate.Sound arrester of the spiral case on the noise reduction hole at volute tongue is fixed by long Plate, short fixed plate I and short fixed plate II are fixed, and sound arrester passes through short fixed plate I and short fixed plate at the volute tongue of spiral case II fixes, and is fixed at separate volute tongue by long fixed plate.The spiral case ontology includes spiral case 1 and spiral case plate 2, spiral case 1 and spiral case Plate 2 is mutually permanently connected, and spiral case 1 is equipped with noise reduction hole, sound arrester of the spiral case 1 on the noise reduction hole at volute tongue at volute tongue It is fixed by long fixed plate 4, short fixed plate I 5 and short fixed plate II 6, sound arrester passes through short fixation at the volute tongue of spiral case Plate I 5 and short fixed plate II 6 are fixed, and are fixed at separate volute tongue by long fixed plate 4, long fixed plate 4, short fixed plate I 5, short fixation Plate II 6 is fixed on by welding or viscose glue or screw on spiral case 1 and spiral case plate 2.In addition, sound arrester is rectangular configuration, inhale The fixed form of mixer can two opposite side fix, can also Corner Strapped.
Embodiment 3:On the basis of embodiment 2, the lower surface of the spiral case 1 is equipped with noise reduction hole, and the top of spiral case plate 2 is set There is noise reduction hole.Sound arrester on the noise reduction hole of 1 lower surface of spiral case is fixed by outer stationary plates 7, on the noise reduction hole of spiral case plate 2 Sound arrester is fixed by outer stationary plates 7.The layout area of noise reduction hole and sound arrester is increased, more improves spiral case system Noise reduction effect.
In addition to this, noise reduction hole can also be equipped on outer stationary plates 7, further to promote noise reduction effect.
Embodiment 4:On the basis of embodiment 3, the noise reduction hole is uniformly and dense distribution is in spiral case 1, spiral case plate 2 and outer On all or part of surface of fixed plate 7, that is, spiral case, spiral case plate, outer stationary plates can portion separate noise reduction hole, can also be whole Open noise reduction hole.Sound arrester is noise reduction cotton 3, noise reduction cotton 3 is covered in the top in noise reduction hole, the size of noise reduction cotton 3 and is covered Noise reduction hole area matches.When range hood works, using fluid mechanics principle, divertical motion will be needed in spiral case system Noise absorption caused by disorderly air-flow, and then reduce the overall noise of range hood.The material of noise reduction cotton 3 could alternatively be it His material.
Embodiment 5:This range hood, be equipped with including body, in the body as described in above-described embodiment can noise reduction Spiral case system.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (10)

1. it is a kind of can noise reduction spiral case system, mainly include spiral case ontology, it is characterised in that:The spiral case ontology is at volute tongue And its underpart is equipped with noise reduction hole, and spiral case is fixed on by fixed plate covered with sound arrester, sound arrester outside the noise reduction hole On ontology.
2. it is according to claim 1 can noise reduction spiral case system, it is characterised in that:The spiral case ontology includes spiral case (1) With spiral case plate (2), spiral case (1) is mutually permanently connected with spiral case plate (2), at the close volute tongue of spiral case (1) and the lower surface of spiral case (1) Noise reduction hole is equipped with, the top of spiral case plate (2) is equipped with noise reduction hole.
3. it is according to claim 2 can noise reduction spiral case system, it is characterised in that:The sound arrester is rectangular configuration, Four corners of the sound arrester are fixed on by fixed plate on spiral case ontology.
4. it is according to claim 3 can noise reduction spiral case system, it is characterised in that:Noise reduction of the spiral case at volute tongue Sound arrester on hole is fixed by long fixed plate, short fixed plate I and short fixed plate II, and sound arrester is at the volute tongue of spiral case It is fixed by short fixed plate I and short fixed plate II, is fixed at separate volute tongue by long fixed plate.
5. it is according to claim 2 can noise reduction spiral case system, it is characterised in that:The noise reduction of spiral case (1) lower surface Sound arrester on hole is fixed by outer stationary plates (7), and the sound arrester on the noise reduction hole of spiral case plate (2) passes through outer stationary plates (7) it is fixed.
6. it is according to claim 5 can noise reduction spiral case system, it is characterised in that:The outer stationary plates (7) are equipped with drop It makes an uproar hole.
7. it is according to claim 6 can noise reduction spiral case system, it is characterised in that:The noise reduction hole uniformly and dense distribution On all or part of surface of spiral case (1), spiral case plate (2) and outer stationary plates (7).
8. it is according to claim 7 can noise reduction spiral case system, it is characterised in that:The sound arrester is noise reduction cotton (3), Noise reduction cotton (3) is covered in the top in noise reduction hole, and the size of noise reduction cotton (3) matches with the noise reduction hole area covered.
9. it is according to claim 8 can noise reduction spiral case system, it is characterised in that:The noise reduction cotton (3) is straight by viscose glue It connects and is fixed on spiral case ontology.
10. a kind of range hood, including body, it is characterised in that:It is equipped in the body such as any one of claim 1-9 institutes State can noise reduction spiral case system.
CN201721592862.3U 2017-11-24 2017-11-24 It is a kind of can noise reduction spiral case system and its kitchen ventilator Active CN207527677U (en)

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CN201721592862.3U CN207527677U (en) 2017-11-24 2017-11-24 It is a kind of can noise reduction spiral case system and its kitchen ventilator

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Application Number Priority Date Filing Date Title
CN201721592862.3U CN207527677U (en) 2017-11-24 2017-11-24 It is a kind of can noise reduction spiral case system and its kitchen ventilator

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CN207527677U true CN207527677U (en) 2018-06-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108731065A (en) * 2018-07-14 2018-11-02 佛山市云米电器科技有限公司 A kind of kitchen ventilator with noise filtering function guiding subassembly
CN108731081A (en) * 2018-07-14 2018-11-02 佛山市云米电器科技有限公司 A kind of kitchen ventilator with noise filtering function exhausting component
WO2024124834A1 (en) * 2022-12-16 2024-06-20 广东美的制冷设备有限公司 Volute assembly, fan assembly, and air treatment device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108731065A (en) * 2018-07-14 2018-11-02 佛山市云米电器科技有限公司 A kind of kitchen ventilator with noise filtering function guiding subassembly
CN108731081A (en) * 2018-07-14 2018-11-02 佛山市云米电器科技有限公司 A kind of kitchen ventilator with noise filtering function exhausting component
CN108731081B (en) * 2018-07-14 2024-01-09 佛山市云米电器科技有限公司 Range hood with noise filtering function exhaust component
WO2024124834A1 (en) * 2022-12-16 2024-06-20 广东美的制冷设备有限公司 Volute assembly, fan assembly, and air treatment device

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