CN211119553U

CN211119553U - Fume exhaust fan

Info

Publication number: CN211119553U
Application number: CN201921080558.XU
Authority: CN
Inventors: 陈浩辉; 徐鑫; 刘剑涛; 蒋郑; 申志贤
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-01-14
Filing date: 2019-07-11
Publication date: 2020-07-28
Anticipated expiration: 2029-07-11
Also published as: CN211372530U; CN210861257U; CN210861274U; CN111006291A; CN211822584U; CN111023221B; CN211625389U; CN210861270U; CN211822556U; CN210861275U; CN211119554U; CN211625390U; CN111006291B; CN212378031U; CN211822557U; CN111435005A; CN210399058U; CN212378029U; CN210662985U; CN211372529U

Abstract

The utility model relates to a range hood, fan system in including the casing and locating this casing, the casing lower part has the smoke inlet chamber of vertical extension, it has the mouth of cigarette that advances that is linked together with this smoke inlet chamber to open on the preceding lateral wall of casing lower part, casing upper portion has the collection smoke chamber that is linked together with smoke inlet chamber, the collection smoke chamber extends forward and forms the installation cavity that is used for installing fan system, fan system's air intake is linked together with collection smoke chamber, fan system's air outlet arranges up. The utility model discloses a range hood casing back wall leans on wall hanging installation, because the vertical extension in smoke inlet chamber of casing lower part for smoke inlet chamber width on the front and back side can be done thinner, can downwardly extending to fully being close to cooking utensils and oil smoke emergence source, thereby make the oil smoke produce and just be inhaled into smoke inlet chamber rapidly and arrange, improved the oil absorption cigarette effect.

Description

Fume exhaust fan

Technical Field

The utility model relates to a for kitchen use household electrical appliances technical field specifically indicates a range hood.

Background

Range hood is the electrical apparatus that is essential in the kitchen at present, and is comparatively common and use more extensively to arrange oily smoke purification system in last.

At present, the upward-exhaust oil fume purification system is mainly divided into two types: a top-suction range hood and a near-suction range hood. The top-suction type range hood is more attractive, but the smoke inlet is higher, and the smoke suction effect is limited; compared with a top-suction range hood, the near-suction range hood has a lower smoke inlet, but is influenced by the appearance structure and the internal air duct structure of the near-suction range hood, and the existing near-suction range hood cannot better approach oil smoke, so that the oil smoke suction effect is limited to a great extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a through making the smoke inlet fully be close the oil smoke source and improve the range hood of oil absorption cigarette effect.

The utility model discloses another technical problem that will solve is the current situation to prior art, thereby provides a range hood through changing into smoke chamber structure and further improve the oil absorption cigarette effect.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes the casing and locates the fan system in this casing, its characterized in that: the improved fan is characterized in that the lower portion of the shell is provided with a vertically extending smoke inlet cavity, a smoke inlet communicated with the smoke inlet cavity is formed in the front side wall of the lower portion of the shell, the upper portion of the shell is provided with a smoke collecting cavity communicated with the smoke inlet cavity, the smoke collecting cavity extends forwards to form a mounting cavity used for mounting a fan system, and an air inlet of the fan system is communicated with the smoke collecting cavity.

As an improvement, the width of at least the upper part of the smoke inlet cavity in the horizontal direction is gradually reduced from bottom to top. By adopting the structure, after the oil smoke enters the smoke inlet cavity from the smoke inlet, the width of the smoke inlet cavity is gradually narrowed, so that the oil smoke is gathered, meanwhile, the upper part of the smoke inlet cavity is directly connected with the smoke inlet of the smoke collecting cavity, the obvious change of the flow direction of the oil smoke in the smoke cavity relative to the rectangular flue under the same condition does not exist, the oil smoke can smoothly and intensively flow into the smoke collecting cavity, and the better oil smoke absorption effect is achieved.

Specifically, be provided with the first swash plate that is close to the first lateral wall of advancing the cigarette chamber and arranges and be close to the second swash plate that the second lateral wall was arranged in advancing the cigarette chamber, first swash plate top-down is to advancing the first lateral wall slope of cigarette chamber gradually, second swash plate top-down is to advancing the second lateral wall slope of cigarette chamber gradually. Oil drops accumulated on the first inclined plate and the second inclined plate can slide along the inclined plane, so that the problem that the oil drops directly drop is solved.

Preferably, the width of the smoke collection cavity in the transverse direction is smaller than that of the smoke inlet cavity in the transverse direction, the upper edge of the first inclined plate is connected with the lower edge of the first side wall of the smoke collection cavity, and the upper edge of the second inclined plate is connected with the lower edge of the second side wall of the smoke collection cavity. By adopting the structure, the longitudinal section of the smoke inlet cavity structure is similar to a trapezoid, and compared with the traditional vertical flue with the same width from top to bottom, the reserved left and right space can be used for carrying other functional equipment, such as noise reduction equipment, a control assembly and the like, so that the whole structure of the range hood is more compact.

Preferably, the side wall of the first inclined plate and/or the second inclined plate, which is located outside the smoke inlet cavity, is provided with first sound absorption cotton, and correspondingly, the first inclined plate and/or the second inclined plate are provided with a plurality of sound absorption holes which are arranged at intervals. Further preferably, all paste on the lateral wall of first swash plate and second swash plate and be equipped with first sound absorption cotton, it is corresponding, a plurality of interval arrangement's bloop has been seted up on first swash plate, the second swash plate respectively. And a second sound-absorbing cotton is arranged on the front side wall of the smoke inlet cavity. Because the utility model discloses an advance the smoke chamber wind channel and narrow down from bottom to top gradually, can know by the venturi effect, the wind speed in advancing the smoke chamber wind channel can follow the wind flow direction grow gradually, leads to the noise also to uprise relatively, places the first sound cotton of inhaling that presses close to with corresponding swash plate respectively in the both sides in wind channel and presses close to the second that advances the preceding lateral wall of smoke chamber and arrange and inhale the sound cotton, not only rational utilization the space of here, also can play fine noise reduction effect.

Compared with the prior art, the utility model has the advantages of: the back wall of the shell of the range hood of the utility model is mounted by wall hanging, because the smoke inlet cavity at the lower part of the shell extends vertically, the width of the smoke inlet cavity in the front and back direction can be made thinner, and the smoke inlet cavity can extend downwards to be sufficiently close to a cooker and a smoke generating source, so that the smoke can be rapidly sucked into the smoke inlet cavity to be discharged as soon as the smoke is generated, and the smoke suction effect is improved; the air inlet cavity structure which gradually narrows along the wind direction of the wind flow is also beneficial to further improving the effect of the range hood.

Drawings

Fig. 1 is a side view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of a smoke inlet chamber portion (hiding a portion of a housing) according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a smoke inlet chamber portion in an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the range hood of the present embodiment includes a housing 1 and a fan system 2 disposed in the housing 1. The lower part of the shell 1 is provided with a vertically extending smoke inlet cavity 11, the front side wall of the lower part of the shell 1 is provided with a smoke inlet 111 communicated with the smoke inlet cavity 11, the upper part of the shell 1 is provided with a smoke collecting cavity 12 communicated with the smoke inlet cavity 11, the smoke collecting cavity 12 extends forwards to form a mounting cavity 13 for mounting the fan system 2, it should be noted that the mounting cavity 13 is used for mounting the fan system 2, but the mounting position of the fan system 2 is not completely limited in the mounting cavity 13, and because the smoke collecting cavity 12 and the mounting cavity 13 are integrated, when the fan system 2 is mounted, the part of the fan system 2 can be positioned in the smoke collecting cavity 12 according to requirements. The air inlet 21 of the fan system 2 may be arranged in advance or in the rear direction, as long as it is communicated with the smoke collecting cavity 12, and the air outlet of the fan system 2 is arranged upward. An oil collecting cup 4 with an upward opening is arranged at the lower edge of the shell 1, and the bottom of the smoke inlet cavity 11 is connected with the oil collecting cup 4. Because the smoke inlet cavity 11 at the lower part of the shell 1 vertically extends, the smoke inlet cavity 11 can be made thinner along the width in the front-back direction and can extend downwards to be sufficiently close to the cooker and a smoke generating source, so that the smoke can be quickly sucked into the smoke inlet cavity to be discharged upwards once being generated, and the smoke suction effect is improved.

The width of the upper part of the smoke inlet cavity 11 of the embodiment in the transverse direction is gradually reduced from bottom to top.

Specifically, the smoke inlet cavity 11 is provided with a first inclined plate 113 disposed close to the first side wall 112 of the smoke inlet cavity 11 and a second inclined plate 115 disposed close to the second side wall 114, the first inclined plate 113 is inclined from top to bottom gradually toward the first side wall 112 of the smoke inlet cavity 11, and the second inclined plate 115 is inclined from top to bottom gradually toward the second side wall 114 of the smoke inlet cavity 11. The width of the smoke collection cavity 12 in the transverse direction is smaller than that of the smoke inlet cavity 11 in the transverse direction, the upper edge of the first inclined plate 113 is connected with the lower edge of the first side wall 121 of the smoke collection cavity 12, and the upper edge of the second inclined plate 115 is connected with the lower edge of the second side wall 122 of the smoke collection cavity 12. By adopting the structure, after the oil smoke enters the smoke inlet cavity 11 from the smoke inlet 111, the oil smoke is gathered because the width of the smoke inlet cavity 11 is gradually narrowed, and meanwhile, because the upper part of the smoke inlet cavity 11 is directly connected with the smoke inlet of the smoke collection cavity 12, the obvious change of the flow direction of the oil smoke in the smoke cavity relative to a rectangular flue under the same condition does not exist, so that the oil smoke can smoothly and intensively flow into the smoke collection cavity, and a better oil smoke absorption effect is achieved; meanwhile, oil drops accumulated on the first inclined plate 113 and the second inclined plate 115 can slide along the inclined plane, so that the problem that the oil drops directly drop is avoided; in addition, the longitudinal section of the smoke inlet cavity structure is similar to a trapezoid, and compared with the traditional vertical flue with the same width from top to bottom, the reserved left and right space can be used for carrying other functional equipment, such as noise reduction equipment, a control assembly and the like, so that the whole structure of the range hood is more compact.

In this embodiment, the outer side walls of the first inclined plate 113 and the second inclined plate 115 are respectively attached with the first sound absorbing cotton 110 arranged in parallel with the corresponding inclined plates, and correspondingly, the first inclined plate 113 and the second inclined plate 115 are respectively provided with a plurality of sound absorbing holes 116 arranged at intervals. The front side wall of the smoke inlet cavity 11 is provided with a second sound absorption cotton 117. Because the wind channel of the smoke inlet cavity 11 of this embodiment narrows from bottom to top gradually, known from the venturi effect, the wind speed in the wind channel of the smoke inlet cavity 11 can become gradually bigger along the wind flow direction, resulting in the noise also becoming high relatively, place the first sound absorption cotton 110 that is close to with corresponding swash plate respectively in both sides of the wind channel, set up the second sound absorption cotton 117 that is close to the smoke inlet cavity 11 in the front side of wind channel, not only the space here has rationally utilized, also can play fine noise reduction effect.

Claims

1. The utility model provides a range hood, includes casing (1) and locates fan system (2) in this casing (1), its characterized in that: casing (1) lower part has vertical extension's smoke inlet chamber (11), it has into mouth (111) that is linked together with this smoke inlet chamber (11) to open on the preceding lateral wall of casing (1) lower part, casing (1) upper portion has collection smoke chamber (12) that are linked together with smoke inlet chamber (11), collection smoke chamber (12) extend forward and form installation cavity (13) that are used for installing fan system (2), air intake (21) and collection smoke chamber (12) of fan system (2) are linked together.

2. The range hood of claim 1, wherein: the width of at least the upper part of the smoke inlet cavity (11) in the horizontal direction is gradually reduced from bottom to top.

3. The range hood of claim 2, wherein: the cigarette feeding device is characterized in that a first inclined plate (113) and a second inclined plate (115) are arranged in the cigarette feeding cavity (11), the first inclined plate (113) is arranged close to a first side wall (112) of the cigarette feeding cavity (11), the second inclined plate (115) is arranged close to a second side wall (114), the first inclined plate (113) is inclined towards the first side wall (112) of the cigarette feeding cavity (11) from top to bottom, and the second inclined plate (115) is inclined towards the second side wall (114) of the cigarette feeding cavity (11) from top to bottom.

4. The range hood of claim 3, wherein: the width of the smoke collection cavity (12) in the transverse direction is smaller than that of the smoke inlet cavity (11), the upper edge of the first inclined plate (113) is connected with the lower edge of the first side wall (112) of the smoke collection cavity (12), and the upper edge of the second inclined plate (115) is connected with the lower edge of the second side wall (114) of the smoke collection cavity (12).

5. The range hood of claim 3 or 4, wherein: the side wall of the first inclined plate (113) and/or the second inclined plate (115) which is positioned outside the smoke inlet cavity (11) is provided with first sound absorption cotton (110), and correspondingly, the first inclined plate (113) and/or the second inclined plate (115) are provided with a plurality of sound attenuation holes (116) which are arranged at intervals.

6. The range hood of claim 5, wherein: all paste on the lateral wall of first swash plate (113) and second swash plate (115) and be equipped with first sound absorption cotton (110), correspondingly, a plurality of interval arrangement's bloop (116) have been seted up on first swash plate (113), second swash plate (115) respectively.

7. The range hood according to any one of claims 1 to 4, wherein: and a second sound-absorbing cotton (117) is arranged on the front side wall of the smoke inlet cavity (11).