CN219120629U

CN219120629U - Fume exhaust fan

Info

Publication number: CN219120629U
Application number: CN202223581976.1U
Authority: CN
Inventors: 李成信; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-02
Anticipated expiration: 2032-12-31

Abstract

The utility model provides a range hood. The range hood comprises a fume collecting hood, a fan assembly and a wind scooper. The fume collecting hood is provided with a fume inlet, an air inlet and an air outlet, and the air outlet is arranged at one side of the fume inlet; the fan assembly is arranged in the fume collecting hood and is configured to be a power source for enabling air to flow from the air inlet to the air outlet; the air guide cover is connected with the fume collecting hood and is of a hollow structure with two open ends; when the air guide cover is positioned at the first position, the air guide cover is communicated with the fan assembly, so that an air curtain is formed between the smoke inlet and the air outlet through driving of the fan assembly. The range hood forms an air curtain between the smoke inlet and the air outlet through the air guide cover with the hollow structure, so that the fume enters the smoke inlet along the air guide cover to enhance the smoke collecting effect of the smoke collecting cover, and meanwhile, the air generated by the fan assembly is blown to a user along the air guide cover.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a range hood.

Background

The range hood is one of the requisite electrical appliances in modern kitchens, and a user uses the range hood to suck and exhaust oil smoke in the cooking process. Users often experience very poor sweat and back-down and intolerable when cooking in summer, often because they are too awkward to have had no appetite after cooking.

In order to reduce the temperature during cooking, a fan is usually integrated on the range hood in the prior art, but because the design is unreasonable, the fan usually blows the oil smoke to a user, and the kitchen flow field is disturbed, so that the oil smoke sucking and exhausting effect is reduced.

Disclosure of Invention

The utility model aims to provide a range hood, which forms an air curtain between a smoke inlet and an air outlet through a hollow air guide cover, so that oil smoke enters the smoke inlet along the air guide cover to enhance the smoke collecting effect of the smoke collecting cover, and meanwhile, air generated by a fan assembly is blown to a user along the air guide cover.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the present utility model, a range hood is provided. The range hood comprises a fume collecting hood, a fan assembly and a wind scooper. The fume collecting hood is provided with a fume inlet, an air inlet and an air outlet, and the air outlet is arranged at one side of the fume inlet; the fan assembly is arranged in the fume collecting hood and is configured to be a power source for enabling air to flow from the air inlet to the air outlet; the air guide cover is connected with the fume collecting hood and is of a hollow structure with two open ends; when the air guide cover is positioned at the first position, the air guide cover is communicated with the fan assembly, so that an air curtain is formed between the smoke inlet and the air outlet through driving of the fan assembly.

According to an embodiment of the utility model, the air guiding cover is connected to the bottom of the fume collecting hood in a turnover mode, so that the air guiding cover is suitable for being switched between the first position and the second position.

According to an embodiment of the present utility model, when the wind scooper is in the first position, the fan assembly and the wind scooper are opened, and when the wind scooper is in the second position, the wind scooper is closed, and the fan assembly is opened or closed.

According to one embodiment of the utility model, when the air guide cover is in the first position, the air guide cover extends obliquely downwards and far away from the fume collecting hood, and when the air guide cover is in the second position, the bottom surface of the air guide cover is attached to the bottom of the fume collecting hood.

According to an embodiment of the present utility model, the range hood further includes a driving mechanism configured to turn the power source of the air guide housing so that the air guide housing can be in the first position or the second position.

According to one embodiment of the utility model, one end of the air guide cover is rotatably connected with the fume collecting hood, and one end of the air guide cover, which is far away from the fume collecting hood, is rotatably connected with the movable end of the driving mechanism.

According to one embodiment of the utility model, the fan assembly comprises a fan shell arranged in the fume collecting hood and a cross-flow fan arranged in the fan shell, wherein the fan shell surrounds a fan cavity communicated with the air inlet and the air outlet, and the cross-flow fan is configured to be a power source for air to flow through the fan cavity.

According to one embodiment of the utility model, the number of the fan assemblies is two, and the two fan assemblies are arranged on one side of the fume collecting hood close to the air guiding cover side by side.

According to an embodiment of the utility model, the range hood further comprises an air deflector group arranged at the air outlet, and the air deflector group is configured to adjust the air outlet direction of the air outlet.

According to an embodiment of the present utility model, the range hood further includes a filter screen disposed at the air inlet, and the filter screen is configured to filter dust or impurities in air.

One embodiment of the present utility model has the following advantages or benefits:

according to the range hood, the air curtain is formed between the smoke inlet and the air outlet through the air guide cover with the hollow structure, so that the smoke enters the smoke inlet along the air guide cover to enhance the smoke collecting effect of the smoke collecting cover, and meanwhile, the air generated by the fan assembly is blown to a user along the air guide cover; when a part of wind is blown out by the wind scooper, an coanda wind curtain is generated, so that the pollution of the oil smoke to the wind scooper caused by the contact of the oil smoke and the wind scooper is avoided; when the range hood works, the air guide cover is arranged at a first position to guide oil smoke and wind respectively, and when the range hood is closed, the air guide cover is arranged at a second position to seal the smoke inlet; two fan assemblies which can be controlled respectively are arranged and can correspond to the positions of the users in the left-right direction; the air guide plate group is arranged at the air outlet, so that the air guide plate group can adapt to the heights of different users; a filter screen is arranged at the air inlet to prevent dust or impurities in the air from falling into the fan shell to pollute the cross-flow fan.

Drawings

The above and other features and advantages of the present utility model will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a perspective view of a range hood according to an exemplary embodiment.

Fig. 2 is another perspective view of a range hood according to an exemplary embodiment.

Fig. 3 is a front view of a range hood according to an exemplary embodiment.

Fig. 4 is a cross-sectional view taken along line A-A of fig. 3, according to an exemplary embodiment.

Wherein reference numerals are as follows:

1. a fume collecting hood; 11. a smoke inlet; 12. an air inlet; 13. an air outlet; 14. a smoke collecting cavity; 2. a fan assembly; 21. a blower housing; 211. a fan cavity; 22. a cross flow fan; 3. a wind scooper; 4. an air deflector group; 5. and (5) a filter screen.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.

As shown in fig. 1 to 4, fig. 1 shows a perspective view of a range hood provided by the present utility model. Fig. 2 is another perspective view of a range hood according to the present utility model. Fig. 3 shows a front view of a range hood provided by the present utility model. Fig. 4 shows a cross-sectional view along line A-A in fig. 3 provided by the present utility model.

The range hood provided by the embodiment of the utility model comprises a fume collecting hood 1, a fan assembly 2 and a wind scooper 3. The fume collecting hood 1 is provided with a fume inlet 11, an air inlet 12 and an air outlet 13, and the air outlet 13 is arranged at one side of the fume inlet 11; the fan assembly 2 is arranged in the fume collecting hood 1, and the fan assembly 2 is configured as a power source for air to flow from the air inlet 12 to the air outlet 13; the air guide cover 3 is connected with the fume collecting hood 1, and the air guide cover 3 is of a hollow structure with two open ends; wherein, when the wind scooper 3 is at the first position, the wind scooper 3 is communicated with the fan assembly 2, so as to form an air curtain between the smoke inlet 11 and the air outlet 13 through the driving of the fan assembly 2.

As shown in fig. 1, the fume collecting hood 1 encloses and forms a fume collecting cavity 14, the bottom opening of the fume collecting cavity 14 forms a fume inlet 11, the fume collecting hood 1 is provided with an air inlet 12 towards the top of one side where a user stands, the fume collecting hood 1 is provided with an air outlet 13 towards the side where the user stands, the fan assembly 2 is arranged in the fume collecting cavity 14, the inlet of the fan assembly 2 is communicated with the air inlet 12, the outlet of the fan assembly 2 is communicated with the air outlet 13, the air is enabled to flow from the air inlet 12 to the air outlet 13 through the power action of the fan assembly 2, and is blown to the user, the air inlet 3 corresponds to the fan assembly 2 and is movably connected to the bottom of the fume collecting hood 1, when the position of the air inlet 3 is changed to enable the fume collecting hood 3 to be in a first position, the fume inlet 11 is located at the rear side of the air inlet 3, the air outlet 13 is located at the front side of the air inlet 3, and the hollow air inlet 3 is communicated with the cavity of the fan assembly 2, so that a part of the air inlet 3 is communicated with the cavity of the fan assembly 2, the air inlet 3 is formed between the air inlet 11 and the air outlet 13 through the hollow air inlet 3, the power action of the fan assembly 2 is enabled to flow from the air inlet 12 to the air inlet 13 to the air outlet 13, and the fume can be prevented from flowing to the air inlet 3 along the air inlet 3 and the air inlet 3 to the air inlet of the user, and the fume can be further attached to the air inlet 3, and the fume can be prevented from flowing to the air inlet 3 side of the user.

In a preferred embodiment of the utility model, the hood 3 is coupled to the bottom of the hood 1 in a reversible manner to accommodate the transition of the hood 3 between the first and second positions. When the wind scooper 3 is in the first position, the fan assembly 2 and the wind scooper 3 are opened, and when the wind scooper 3 is in the second position, the wind scooper 3 is closed, and the fan assembly 2 is opened or closed.

As shown in fig. 1, the wind scooper 3 may be connected to the bottom of the fume collecting hood 1 near the user's standing side in a turnover manner, when the ventilator fan of the range hood is turned on, the wind scooper 3 turns to the first position, the wind scooper 3 is in an on state, and the fan assembly 2 is in an on state, so that a part of air is blown to the air outlet 13 by the driving of the fan assembly 2, if the air of the air outlet 13 is not required to be blown and cooled, the wind screen may be further closed by a wind screen or some other means, another part of the air is blown to the inside of the wind scooper 3, when the ventilator fan of the range hood is turned off, the wind scooper 3 turns to the second position, the wind scooper 3 is in an off state and is disconnected from the fan assembly 2, and the fan assembly 2 may also be in an on state, and when the fan assembly 2 is in an on state, only the air is blown to reduce the indoor temperature of the kitchen. The air guide cover 3 may be in a closed state when the air guide cover 3 is in the first position, and the air guide cover 3 may be in an open state when the air guide cover 3 is in the second position, and in this embodiment, the air guide cover 3 is preferably in an open state when the air guide cover 3 is in the first position.

In a preferred embodiment of the utility model, when the air guiding cover 3 is in the first position, the air guiding cover 3 extends obliquely downwards and away from the fume collecting hood 1, and when the air guiding cover 3 is in the second position, the bottom surface of the air guiding cover 3 is attached to the bottom of the fume collecting hood 1.

As shown in fig. 3, when the air guide cover 3 is in the first position, the air guide cover 3 extends obliquely downwards and forwards, so that one end of the air guide cover 3 away from the fume collecting hood 1 faces the standing direction of the user, the rear outer side wall of the air guide cover 3 enlarges the fume collecting range, the fume, which is just opposite to the lower side, of the air guide cover 3 enters the fume inlet 11 under the guiding action of the fume after approaching to the rear outer side wall of the air guide cover 3, the fume collecting effect of the fume collecting hood 1 is improved, and the air sent out by the air outlet 13 can be guided to flow to the standing place of the user. When the air guide cover 3 is in the second position, the air guide cover 3 is folded towards the bottom of the fume collecting hood 1, so that the outer side wall of the rear side of the air guide cover 3 is attached to the bottom of the fume collecting hood 1 originally, and in the embodiment, when the fume inlet 11 is arranged on the front side of the bottom of the fume collecting hood 1, the air guide cover 3 can be used for closing the fume inlet 11 when the range hood is closed.

In a preferred embodiment of the utility model, the range hood further comprises a drive mechanism configured to invert the power source of the hood 3 to enable the hood 3 to be in the first or second position.

As shown in fig. 1 and 2, the driving mechanism may be a servo motor or an air cylinder, the driving mechanism includes a fixed end and a movable end, the fixed end of the driving mechanism is connected to the fume collecting hood 1 or the fume collecting hood 3, and correspondingly, the movable end of the driving mechanism is connected to the fume collecting hood 3 or the fume collecting hood 1, and when the fume collecting hood 1 is kept motionless, the fume collecting hood 3 is driven to move between a first position and a second position by the driving of the movable end of the driving mechanism.

In a preferred embodiment of the utility model, one end of the air guiding cover 3 is rotatably connected with the fume collecting hood 1, and one end of the air guiding cover 3 away from the fume collecting hood 1 is rotatably connected with the movable end of the driving mechanism.

As shown in fig. 1 and 2, the upper end of the wind scooper 3 is rotatably connected to the front side of the bottom of the fume collecting hood 1, and the movable end or the fixed end of the driving mechanism is connected to the lower end of the wind scooper 3, so that the lower end of the wind scooper 3 can be driven to rotate around the upper end of the wind scooper 3 through the movement of the movable end of the driving mechanism, when the lower end of the wind scooper 3 faces the maximum position where the user stands, the wind scooper 3 is in the first position, and when the lower end of the wind scooper 3 rotates to the position where the wind scooper 3 is attached to the bottom of the fume collecting hood 1, namely, is in the second position.

In a preferred embodiment of the present utility model, the blower assembly 2 includes a blower housing 21 disposed within the fume collecting hood 1 and a cross flow blower 22 disposed within the blower housing 21, the blower housing 21 enclosing a blower chamber 211 formed in communication with the air inlet 12 and the air outlet 13, the cross flow blower 22 being configured as a power source for air flowing through the blower chamber 211.

As shown in fig. 1 to 3, the fan housing 21 is disposed on one side of the fume collecting hood 1, which is close to the user's standing, so as to separate the fume collecting cavity 14 into two relatively independent cavity structures, so as to avoid the mixing of the fume and the air entering from the air inlet 12, wherein the fan housing 21 encloses the fan cavity 211, the fan cavity 211 is a cuboid cavity structure, the top opening of the fan housing 21 is communicated with the air inlet 12, the side opening of the fan housing 21 is communicated with the air outlet 13, the cross-flow fan 22 is disposed in the fan housing 21 and along the length direction of the fan housing 21, and the air sequentially flows through the air inlet 12, the fan cavity 211 and the air outlet 13 under the driving of the cross-flow fan 22, so as to blow the fume to the user.

In a preferred embodiment of the present utility model, the number of fan assemblies 2 is two, and the two fan assemblies 2 are arranged side by side on one side of the fume collecting hood 1 near the air guiding hood 3.

As shown in fig. 1, one fan assembly 2 is disposed at the left part of the fume collecting hood 1, the other fan assembly 2 is disposed at the right part of the fume collecting hood 1, and the two fan assemblies 2 can be individually controlled, so that the position where a user stands when using a single oven hole alone can be corresponded when using a kitchen range, that is, the user uses the left fan assembly 2 when using the left oven hole, and the user uses the right fan assembly 2 when using the right oven hole.

In a preferred embodiment of the present utility model, the range hood further comprises an air deflection group 4 arranged at the air outlet 13, the air deflection group 4 being configured to adjust the air outlet direction of the air outlet 13.

As shown in fig. 1, the air deflector group 4 includes a plurality of air deflector bodies which are arranged at equal intervals along the height direction of the fan housing 21, and the air deflector bodies are similar to the louver, and a user can manually or automatically adjust the direction of the air deflector bodies, so that clean air can be blown to any height of the standing direction of the user along the extending direction of the air deflector bodies, so as to adapt to different heights of different users.

In a preferred embodiment of the present utility model, the range hood further comprises a filter screen 5 provided at the air inlet 12, the filter screen 5 being configured to filter dust or impurities in the air.

As shown in fig. 1, the filter screen 5 is arranged at the position corresponding to the air inlet 12 and is detachably fixed with the fume collecting hood 1, so that the fume collecting hood is convenient to clean, and the filter screen 5 is used for filtering dust or impurities in air, so that the dust or impurities are prevented from entering the fan housing 21 to pollute the cross-flow fan 22.

Further, in order to improve the local cooling effect of the cross-flow fan 22, semiconductor cooling sheets may be respectively disposed on the inner side walls of the top and bottom of the fan housing 21, and cool air with a cooling effect may be blown from the air outlet 13 under the effect of the cross-flow fan 22.

Further, a small negative ion generating device may be disposed at the air outlet 13, so that the air blown out from the air outlet 13 has a negative ion effect.

According to the range hood, the air curtain is formed between the smoke inlet 11 and the air outlet 13 through the air guide cover 3 with the hollow structure, so that the smoke enters the smoke inlet 11 along the air guide cover 3 to enhance the smoke collecting effect of the smoke collecting cover 1, and meanwhile, the air generated by the fan assembly 2 is blown to a user along the air guide cover 3; part of air is blown out by the air guide cover 3 to generate an air curtain with walls, so that the oil smoke is prevented from contacting with the air guide cover 3 to pollute the air guide cover 3; when the range hood works, the air guide cover 3 is arranged at a first position to guide oil smoke and wind respectively, and when the range hood is closed, the air guide cover 3 is arranged at a second position to seal the smoke inlet 11; two fan assemblies 2 which can be controlled respectively are arranged and can correspond to the positions of a user in the left-right direction; the air outlet 13 is provided with the air deflector group 4, which can be suitable for the heights of different users; a filter screen 5 is arranged at the air inlet 12 to prevent dust or impurities in the air from falling into the fan shell 21 to pollute the cross-flow fan 22.

In embodiments of the present utility model, the term "plurality" refers to two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present utility model.

In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model and is not intended to limit the embodiment of the present utility model, and various modifications and variations can be made to the embodiment of the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model should be included in the protection scope of the embodiments of the present utility model.

Claims

1. A range hood, comprising:

the smoke collecting hood (1), wherein the smoke collecting hood (1) is provided with a smoke inlet (11), an air inlet (12) and an air outlet (13), and the air outlet (13) is arranged on one side of the smoke inlet (11);

the fan assembly (2) is arranged in the fume collecting hood (1), and the fan assembly (2) is configured to be a power source for air to flow from the air inlet (12) to the air outlet (13); and

the air guide cover (3), the air guide cover (3) is connected to the fume collecting hood (1), and the air guide cover (3) is of a hollow structure with two open ends;

when the air guide cover (3) is positioned at a first position, the air guide cover (3) is communicated with the fan assembly (2) so as to form an air curtain between the smoke inlet (11) and the air outlet (13) through driving of the fan assembly (2).

2. A range hood according to claim 1, wherein the hood (3) is pivotably connected to the bottom of the hood (1) to accommodate switching of the hood (3) between the first and second positions.

3. The range hood according to claim 2, wherein the fan assembly (2) and the air guide cover (3) are opened when the air guide cover (3) is in the first position, the air guide cover (3) is closed when the air guide cover (3) is in the second position, and the fan assembly (2) is opened or closed.

4. The range hood according to claim 2, wherein the air guiding cover (3) extends obliquely downwards and away from the fume collecting hood (1) when the air guiding cover (3) is in the first position, and the bottom surface of the air guiding cover (3) is attached to the bottom of the fume collecting hood (1) when the air guiding cover (3) is in the second position.

5. The range hood according to claim 1, further comprising a drive mechanism configured to turn the power source of the hood (3) to enable the hood (3) to be in the first or second position.

6. The range hood according to claim 5, wherein one end of the air guiding cover (3) is rotatably connected with the fume collecting hood (1), and one end of the air guiding cover (3) away from the fume collecting hood (1) is rotatably connected with the movable end of the driving mechanism.

7. The range hood according to claim 1, wherein the fan assembly (2) comprises a fan housing (21) arranged in the fume collecting hood (1) and a cross flow fan (22) arranged in the fan housing (21), the fan housing (21) is surrounded to form a fan cavity (211) communicated with the air inlet (12) and the air outlet (13), and the cross flow fan (22) is configured as a power source for air to flow through the fan cavity (211).

8. The range hood according to claim 1, wherein the number of the fan assemblies (2) is two, and the two fan assemblies (2) are arranged side by side on one side of the fume collecting hood (1) close to the air guiding cover (3).

9. The range hood according to claim 1, further comprising an air deflector group (4) arranged at the air outlet (13), the air deflector group (4) being configured to adjust the air outlet direction of the air outlet (13).

10. The range hood according to claim 1, further comprising a filter screen (5) provided at the air inlet (12), the filter screen (5) being configured to filter dust or impurities in the air.