CN112762493A

CN112762493A - Integrated mute direct-exhausting type bellows

Info

Publication number: CN112762493A
Application number: CN202110118115.0A
Authority: CN
Inventors: 顾正东; 黄卫斌; 黄安奎; 李晓珠; 黄安勇; 郭祥明
Original assignee: Marssenger Kitchenware Co Ltd
Current assignee: Marssenger Kitchenware Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-05-07

Abstract

The invention discloses an integrated silent direct-discharging type air box which comprises an impeller, a cover plate, a silencing cover plate, a volute and a sound absorbing material, wherein the silencing cover plate is arranged at the lower end of the cover plate, the impeller is arranged at the lower side of the silencing cover plate, a volute right enclosing plate is arranged at one side of the impeller, a volute left enclosing plate is arranged at one side of the impeller, which is far away from the volute right enclosing plate, an air box enclosing plate is arranged at one side of the volute left enclosing plate, which is far away from the impeller, an air outlet seat is arranged at one side of the volute enclosing plate, an air inlet ring is arranged at the front side of the impeller, a volute front plate is arranged at the outer side of the air inlet ring, an. Has the advantages that: the space is optimized, the integrated design is adopted, the sucked oil smoke is discharged in a direct exhaust mode, the sharp turning of 90 degrees in the smoke exhaust process is avoided, and the noise reduction effect on the volute is good.

Description

Integrated mute direct-exhausting type bellows

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to an integrated mute direct-discharging type air box.

Background

At present, the demand of consumers for low-noise integrated cookers is higher and higher, and the generation of noise during smoke exhaust of the integrated cookers is also a difficult problem troubling kitchen electric manufacturers. In an integrated cooker, the noise generated by the smoke exhaust system is the main contribution part of the whole noise, and the largest part of the noise comes from a centrifugal fan set (a volute set) and an exhaust box, and all manufacturers aim to improve the noise.

The problem of classifying the noise pain points of the traditional integrated cooker is as follows:

1. in a smoke exhaust system, a centrifugal fan (volute casing group) arranged in an air inlet box is generally vertically arranged, and a sharp turn of 90 degrees is required in the smoke exhaust process, so that the phenomena of turbulent flow and opposite air flow impact of gas entering an exhaust box are caused, and the noise is increased in the working process

2. In order to ensure the smoking effect, the size of a centrifugal fan (volute casing group) inside the existing integrated cooker is maximized, so that the space is limited, and sufficient installation conditions or space for placing noise reduction materials are not provided, so that the noise can not be effectively reduced.

3. The centrifugal fan (volute casing group) is large in size, can be cleaned and maintained only after being taken out, and the secondary installation can destroy the solidified balance parameters when leaving a factory, so that the noise is increased.

Disclosure of Invention

It is an object of the present invention to provide an integrally silent inline type bellows for solving the above-mentioned problems.

The invention realizes the purpose through the following technical scheme:

an organic whole silence direct vent bellows, including impeller, apron, amortization apron, spiral case, sound absorbing material, the apron lower extreme is provided with the amortization apron, amortization apron downside is provided with the impeller, impeller one side is provided with spiral case right side bounding wall, the impeller is kept away from spiral case right side bounding wall one side is provided with spiral case left side bounding wall, spiral case left side bounding wall keeps away from impeller one side is provided with the bellows bounding wall, the bellows bounding wall is kept away from spiral case left side bounding wall one side is provided with out the wind seat, the impeller front side is provided with into the wind circle, the air inlet circle outside is provided with the spiral case front bezel, it is provided with the bellows front bezel to advance the wind circle front side, the impeller outside is provided with the spiral case, the spiral case outside is.

In the structure, oil smoke gas generated by cooking is acted by the centrifugal force of the impeller, the oil smoke is directly discharged along the inner wall of the volute casing surrounding plate through the air outlet seat, when wind noise passes through the silencing cover plate, the volute right surrounding plate and the inner wall of the volute left surrounding plate, the sound absorption area formed by a plurality of through holes is arranged on the periphery of the inner wall of the volute casing left surrounding plate, the wind noise enters the sound absorption material through the through holes, partial noise is eliminated under the micropore slow reflection effect, and the air inlet ring, the silencing cover plate and the cover plate can be independently disassembled during maintenance and cleaning, so that the centrifugal fan is prevented from being integrally taken out.

Preferably, the cover plate and the silencing cover plate are connected together through screws, and the sound-absorbing material is bonded with the volute.

Preferably, the volute is riveted into a whole by the bellows back plate, the volute front plate, the volute right enclosing plate, the volute left enclosing plate and the volute left enclosing plate.

Preferably, the material of the sound attenuation cover plate is porous and has a density lower than 20% (any material such as metal foam, foaming material, polyurethane and the like).

Has the advantages that: the space is optimized, the integrated design is adopted, the sucked oil smoke is discharged in a direct exhaust mode, the sharp turning of 90 degrees in the smoke exhaust process is avoided, and the noise reduction effect on the volute is good.

Drawings

FIG. 1 is an exploded view of an integral silent inline bellows according to the present invention;

FIG. 2 is a rear view of the integral silent inline bellows of the present invention.

The reference numerals are explained below:

1. a silencing cover plate; 2. an impeller; 3. a volute; 4. an air outlet seat; 5. a sound absorbing material; 6. a bellows back plate; 7. a cover plate; 8. an air box coaming; 9. a volute right coaming; 10. a volute left coaming; 11. an air inlet ring; 12. a volute front plate; 13. a front plate of the air box.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-2, an integral silent direct-discharging type bellows comprises an impeller 2, a cover plate 7, a silencing cover plate 7, a volute 3 and a sound-absorbing material 5, wherein the silencing cover plate 7 is arranged at the lower end of the cover plate 7, the silencing cover plate 7 is used for reducing noise generated in the working process of the bellows, the impeller 2 is arranged at the lower side of the silencing cover plate 7, the impeller 2 is used for discharging oil smoke through the action of centrifugal force, a volute right coaming 9 is arranged at one side of the impeller 2, a volute left coaming 10 is arranged at one side of the impeller 2, which is far away from the volute right coaming 9, a bellows coaming 8 is arranged at one side of the volute left coaming 10, an air outlet seat 4 is arranged at one side of the bellows coaming 8, the air outlet seat 4 is used for discharging oil smoke, an air inlet ring 11 is arranged at the front side of the impeller 2, the air inlet ring, the outer side of the impeller 2 is provided with a volute 3, the outer side of the volute 3 is provided with a sound-absorbing material 5, the sound-absorbing material 5 is used for reducing noise generated in the working process of the air box, and the outer side of the sound-absorbing material 5 is provided with an air box rear plate 6.

In the above-mentioned structure, the oil smoke gas that the culinary art produced is through the centrifugal force effect of impeller 2, the oil smoke is along 3 bounding wall inner walls of spiral case, directly discharge through air-out seat 4, wind makes an uproar when passing through amortization apron 7, spiral case right flank 9, spiral case left flank 10 inner walls, be equipped with the sound absorption region that is formed by a plurality of perforation through the border, wind makes an uproar and sees through perforation entering sound absorbing material 5, the micropore is the partial noise of elimination under the slow reflex effect, when maintenance and washing, air inlet ring 11, amortization apron 7, apron 7 can be dismantled alone, avoid centrifugal fan to take out wholly.

Preferably, the cover plate 7 is connected with the silencing cover plate 7 through screws, the sound-absorbing material 5 is bonded with the volute 3, the volute 3 is formed by riveting a rear bellows plate 6, a front volute plate 12, a right volute enclosing plate 9, a left volute enclosing plate 10 and a left volute enclosing plate 10 into a whole, and the silencing cover plate 7 is made of porous materials with the density lower than 20% and can be made of metal foam, foaming materials, polyurethane and the like.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Integrative silence inline bellows, its characterized in that: comprises an impeller (2), an apron (7), a silencing apron (1), a volute (3) and a sound absorbing material (5), wherein the silencing apron (1) is arranged at the lower end of the apron (7), the impeller (2) is arranged at the lower side of the silencing apron (1), a volute right enclosing plate (9) is arranged at one side of the impeller (2), a volute left enclosing plate (10) is arranged at one side of the volute right enclosing plate (9) far away from the impeller (2), a bellows enclosing plate (8) is arranged at one side of the bellows enclosing plate (8) far away from the volute left enclosing plate (10), an air outlet seat (4) is arranged at one side of the volute left enclosing plate (10), an air inlet ring (11) is arranged at the front side of the impeller (2), a volute front plate (12) is arranged at the outer side of the air inlet ring (11), and an air bellows front plate (13) is arranged at the, impeller (2) outside is provided with spiral case (3), the spiral case (3) outside is provided with sound absorbing material (5), sound absorbing material (5) outside is provided with bellows back plate (6).

2. The integrally silent inline bellows according to claim 1, wherein: the cover plate (7) is connected with the silencing cover plate (1) through screws, and the sound absorbing material (5) is bonded with the volute (3).

3. The integrally silent inline bellows according to claim 1, wherein: the volute (3) is formed by riveting the bellows rear plate (6), the volute front plate (12), the volute right enclosing plate (9), the volute left enclosing plate (10) and the volute left enclosing plate (10) into a whole.

4. The integrally silent inline bellows according to claim 1, wherein: the material of the silencing cover plate (1) is composed of a porous material with the density lower than 20%.