Smoke extraction components and range hoods

By combining a main air inlet, an auxiliary air inlet, and a flip plate on the range hood's smoke collection hood, the problem of smoke escape caused by poor installation conditions is solved, achieving efficient smoke extraction and improved user experience while avoiding noise interference.

CN224434512UActive Publication Date: 2026-06-30GUANGDONG MACRO GAS APPLIANCE +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG MACRO GAS APPLIANCE
Filing Date
2025-07-03
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing range hoods, when installed under poor conditions, are prone to poor ventilation, resulting in the escape of cooking fumes. Furthermore, increasing the motor speed and airflow can cause noise that affects the user experience.

Method used

The range hood has a main air inlet and an auxiliary air inlet, which are connected to the smoke collection chamber on the same plane. The main air inlet is located below the auxiliary air inlet. The main oil filter and the auxiliary oil filter are respectively set at their respective air inlets. The flip plate is located between the two. When working, the flip plate opens to separate the oil filter, cover and escape the oil fumes, and the auxiliary air inlet performs secondary extraction.

Benefits of technology

It improves the smoke extraction effect of the range hood, reduces the escape of oil fumes, and enhances the user experience without increasing the motor power or air volume, thus reducing noise interference.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224434512U_ABST
    Figure CN224434512U_ABST
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Abstract

This utility model relates to the technical field of fume extraction equipment, providing a fume extraction component and a range hood. The component includes a main oil filter, a secondary oil filter, and a tilting plate. The fume hood has a main air inlet and an auxiliary air inlet, both located on the same plane and connected to the fume collection chamber, with the main air inlet located below the auxiliary air inlet. The main oil filter is located at the main air inlet; the secondary oil filter is located at the auxiliary air inlet; and the tilting plate is located between the main and secondary oil filters to separate them. The fume extraction component provided by this utility model allows most of the fumes to enter the fume collection chamber through the main oil filter and the main air inlet. A small portion of the escaping fumes is contained by the tilting plate, allowing the fumes to enter the fume collection chamber through the secondary oil filter and the auxiliary air inlet. This significantly improves the fume extraction effect of the range hood without increasing motor power or speed, or increasing airflow, thus enhancing the user experience.
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Description

Technical Field

[0001] This utility model relates to the technical field of fume extraction equipment, specifically to a smoke exhaust component and a fume extractor. Background Technology

[0002] A range hood, also known as a kitchen exhaust hood, is a kitchen appliance that purifies the kitchen environment by exhausting cooking fumes from indoors to outdoors. It typically consists of a smoke collection chamber and a casing assembly. Range hoods are generally installed above the kitchen stove to quickly remove harmful cooking fumes and waste produced during combustion and vent them outdoors.

[0003] Household range hoods are generally small and have poor smoke collection efficiency. If the installation conditions in a user's home are not ideal, it can easily lead to poor ventilation and the escape of cooking fumes. People usually improve the smoke collection efficiency of range hoods by increasing the motor speed and airflow.

[0004] However, some range hood technologies improve smoke extraction by increasing motor speed and airflow, but this often results in significant noise and negatively impacts the user experience. Utility Model Content

[0005] To address the aforementioned deficiencies in the prior art, this utility model provides a smoke extraction component and a range hood to solve at least one of the aforementioned technical deficiencies in the prior art. This allows the range hood to improve its smoke extraction effect without increasing motor power and speed or increasing airflow, thereby enhancing the user experience.

[0006] A second aspect of this utility model also provides a range hood.

[0007] To achieve the objective of this utility model, a smoke extraction assembly is provided, comprising:

[0008] The smoke hood is provided with a main air inlet and an auxiliary air inlet. The main air inlet and the auxiliary air inlet are located on the same plane of the smoke hood and are both connected to the smoke collection chamber. The main air inlet is located below the auxiliary air inlet.

[0009] The main oil filter is located at the main air inlet;

[0010] A secondary oil filter is located at the auxiliary air inlet;

[0011] A flip plate is provided on the smoke collection hood, and the flip plate is located between the main oil mesh and the auxiliary oil mesh to separate the main oil mesh and the auxiliary oil mesh.

[0012] Preferably, the flip-up plate is hinged to the smoke collection hood.

[0013] When the range hood is in operation, the flip plate opens to separate the main oil filter from the auxiliary oil filter.

[0014] Preferably, the area of ​​the main air inlet is larger than the area of ​​the auxiliary air inlet.

[0015] The area of ​​the main oil network is larger than the area of ​​the secondary oil network.

[0016] Preferably, the ratio of the area of ​​the auxiliary air inlet to the area of ​​the main air inlet is 1:7.

[0017] Preferably, the area of ​​the auxiliary air inlet is 5000 mm². 2 The area of ​​the main air inlet is 35000 mm². 2 .

[0018] Preferably, the distance from the upper edge of the main air inlet to the lower edge of the auxiliary air inlet is 45mm to 100mm.

[0019] Preferably, the smoke collection hood includes an upper smoke collection hood and a smoke collection hood body.

[0020] The upper smoke hood is located above the smoke hood body, making the smoke hood form a "7" shape, and the auxiliary oil screen and the auxiliary air inlet are located below the upper smoke hood.

[0021] Preferably, the upper smoke hood is equipped with a lamp assembly.

[0022] Preferably, it also includes a lower plate, which is disposed on the smoke collection hood and located below the main oil mesh.

[0023] The lower plate is a lower glass plate, and the flip plate is a flip glass plate.

[0024] The second aspect of this utility model provides a range hood, including the aforementioned smoke extraction component and range hood body.

[0025] The smoke exhaust component is located on the main body of the range hood.

[0026] The beneficial effects of this utility model are as follows: The smoke extraction component provided by this utility model has a main air inlet and an auxiliary air inlet that are both connected to the smoke collection chamber on the same plane of the smoke collection hood, with the main air inlet located below the auxiliary air inlet; a main oil filter is set at the main air inlet, and a secondary oil filter is set at the auxiliary air inlet; a flip plate is set in the smoke collection hood, located between the main oil filter and the secondary oil filter, which can separate the main oil filter and the secondary oil filter; most of the oil fumes enter the smoke collection chamber from the main oil filter through the main air inlet, and the flip plate can cover the escaped oil fumes, allowing the oil fumes to enter the smoke collection chamber from the secondary oil filter through the auxiliary air inlet; thereby greatly improving the smoke extraction effect of the range hood; and without increasing the motor power and speed, or increasing the air volume, the smoke extraction effect of the range hood can be improved, thereby improving the user experience.

[0027] The range hood provided by this utility model, having included the aforementioned smoke extraction component, inherently possesses all the advantages of that component. Specifically, this range hood allows most of the cooking fumes to enter the smoke collection chamber from the main oil filter through the main air inlet. For the small portion of escaping fumes, the flip-up plate can collect and cover them, allowing the fumes to enter the smoke collection chamber from the secondary oil filter through the auxiliary air inlet. This significantly improves the smoke extraction effect of the range hood. Furthermore, it enhances the smoke collection effect without increasing motor power or speed, or increasing airflow, thereby improving the user experience. Attached Figure Description

[0028] The above and other objects, features, and advantages of this utility model will become clearer through a more detailed description of the preferred embodiments shown in the accompanying drawings. The same reference numerals indicate the same parts throughout the drawings, and the drawings are not intentionally drawn to scale with actual dimensions; the focus is on illustrating the gist of this application.

[0029] Figure 1 This is a schematic diagram of the overall structure of the range hood during operation, provided in an embodiment of the present utility model.

[0030] Figure 2 This is a schematic diagram of the overall structure of the range hood when it is not working, provided in an embodiment of the present utility model.

[0031] Figure 3 for Figure 1 A structural diagram from another perspective.

[0032] 1. Smoke hood; 11. Upper smoke hood; 12. Smoke hood body;

[0033] 100. Main air intake;

[0034] 200. Auxiliary air inlet;

[0035] 300. Main oil network;

[0036] 400, auxiliary oil mesh;

[0037] 500, Flip-over plate;

[0038] 600. Lamp assembly;

[0039] 700, lower plate. Detailed Implementation

[0040] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be given below with reference to the accompanying drawings.

[0041] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to and integrated with the other component, or there may be an intervening component present. The terms "mounted," "one end," "the other end," and similar expressions used in this document are for illustrative purposes only.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this applies. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0043] The following is combined Figures 1 to 3 The embodiments of this utility model will be described below. It should be understood that the following description is merely an illustrative embodiment of this utility model and does not constitute any limitation on this utility model.

[0044] Combination Figures 1 to 3 This utility model provides a smoke exhaust assembly, which is installed on a range hood. The range hood is equipped with a smoke collection hood 1, and the smoke collection hood 1 is provided with a smoke collection chamber. The smoke exhaust assembly includes a main oil filter 300, a secondary oil filter 400, and a flip plate 500.

[0045] The fume hood 1 is equipped with a main air inlet 100 and an auxiliary air inlet 200. The main air inlet 100 and the auxiliary air inlet 200 are located on the same plane of the fume hood 1 and are both connected to the fume collection chamber. The main air inlet 100 is located below the auxiliary air inlet 200. The main air inlet 100 is closer to the point where the oil fume is generated, while the auxiliary air inlet 200 is farther away from the point where the oil fume is generated. The generated oil fume is mainly drawn away by the main air inlet 100.

[0046] The main oil filter 300 is located at the main air inlet 100. Most of the oil fumes can enter the main air inlet 100 through the main oil filter 300, and then enter the smoke collection chamber.

[0047] The auxiliary oil filter 400 is installed at the auxiliary air inlet 200. A small portion of the oil fumes enter the auxiliary air inlet 200 through the auxiliary oil filter 400 and then enter the smoke collection chamber.

[0048] The flip plate 500 is installed in the smoke collection hood 1. The flip plate 500 is located between the main oil filter 300 and the secondary oil filter 400, and can separate the main oil filter 300 and the secondary oil filter 400. The flip plate 500 can play a role in collecting smoke and improve the oil absorption effect.

[0049] Specifically, when the range hood is turned on, the flip plate 500 can be opened simultaneously to separate the main oil filter 300 from the auxiliary oil filter 400. The main motor of the range hood starts to run at high speed, forming a negative pressure zone in the main air inlet 100 and the auxiliary air inlet 200.

[0050] When a user is cooking, oil fumes are generated. The flip plate 500 can cover the oil fumes to prevent them from escaping, and it can also block the air that comes in from above the flip plate 500, thus disrupting the airflow of oil fumes.

[0051] After the fumes pass through the negative pressure zone of the main air inlet 100 and are extracted for the first time, any remaining fumes can be extracted a second time at the auxiliary air inlet 200, which greatly improves the smoke extraction effect of the range hood.

[0052] The layout of the main air inlet 100 and the auxiliary air inlet 200 can ensure that even in poor installation conditions and when the range hood has a high wind resistance coefficient, it can still effectively exhaust oil fumes.

[0053] It is understood that the smoke exhaust assembly provided in the embodiments of this utility model, by setting a main air inlet 100 and an auxiliary air inlet 200, both connected to the smoke collection chamber, on the same plane of the smoke collection hood 1, with the main air inlet 100 located below the auxiliary air inlet 200; a main oil filter 300 is set at the main air inlet 100, and a secondary oil filter 400 is set at the auxiliary air inlet 200; a tilting plate 500 is set at the smoke collection hood 1, located between the main oil filter 300 and the secondary oil filter 400, which can separate... The main oil filter 300 and the auxiliary oil filter 400 are separated. Most of the oil fumes enter the smoke collection chamber through the main air inlet 100 from the main oil filter 300. A small portion of the oil fumes escapes, and the flip plate 500 can cover the escaped oil fumes, allowing them to enter the smoke collection chamber through the auxiliary air inlet 200 from the auxiliary oil filter 400. This greatly improves the smoke extraction effect of the range hood. It also improves the smoke collection effect of the range hood without increasing the motor power and speed or the air volume, thereby enhancing the user experience.

[0054] In addition, combined Figure 1 In some embodiments of this utility model, the flip plate 500 is hinged to the smoke collection hood 1.

[0055] When the range hood is working, the flip plate 500 opens, separating the main oil filter 300 from the secondary oil filter 400. The flip plate 500 covers the oil fumes, preventing them from escaping, and also blocks the airflow that comes in from above the flip plate 500, disrupting the flow of oily air.

[0056] When the range hood stops, the flip plate 500 closes, covering the main oil filter 300 to prevent foreign objects from entering the smoke collection chamber.

[0057] The fumes pass through the negative pressure zone of the main air inlet 100 and undergo the first extraction. Any remaining escaped grease can be extracted a second time through the auxiliary air inlet 200, greatly improving the smoke extraction efficiency of the range hood.

[0058] Combination Figure 1 and Figure 3 In some embodiments of this utility model, the area of ​​the main air inlet 100 is larger than the area of ​​the auxiliary air inlet 200.

[0059] The main oil filter 300 has a larger area than the secondary oil filter 400. This allows most of the oil fumes to enter the smoke collection chamber from the main oil filter 300 through the main air inlet 100, resulting in better smoke extraction.

[0060] Furthermore, the ratio of the area of ​​the auxiliary air inlet 200 to the area of ​​the main air inlet 100 is 1:7.

[0061] For example, the area of ​​the auxiliary air inlet 200 can be 5000 mm². 2 The main air inlet 100 has an area of ​​35000 mm². 2 .

[0062] Of course, combined Figure 1 To improve the smoke extraction effect by making the arrangement between the main air inlet 100 and the auxiliary air inlet 200 more reasonable, in some embodiments of this utility model, the distance from the upper edge of the main air inlet 100 to the lower edge of the auxiliary air inlet 200 is 45mm to 100mm. For example, the distance can be 50mm or 60mm.

[0063] Specifically, in combination Figure 1 In some embodiments of this utility model, the smoke hood 1 includes an upper smoke hood 11 and a smoke hood body 12.

[0064] The upper smoke hood 11 is positioned above the smoke hood body 12, allowing the smoke hood 1 to form a "7" shape. The auxiliary oil filter 400 and the auxiliary air inlet 200 are located below the upper smoke hood 11.

[0065] The upper smoke hood 11 and the flip plate 500 can better collect the smoke that is not discharged by the main air inlet 100 and bring it to the auxiliary air inlet 200, thereby improving the smoke collection effect.

[0066] Combination Figure 2 and Figure 3 In some embodiments of this utility model, the upper fume hood 11 is provided with a lamp assembly 600, which includes a lamp and a lamp glass. The lamp assembly 600 is installed on the upper fume hood 11, the lamp can illuminate the cooking area of ​​the range hood, and the lamp glass can further prevent the oil fumes from spreading upwards, thereby improving the smoke extraction effect.

[0067] Combination Figure 3 In some embodiments of this utility model, the smoke exhaust assembly further includes a lower plate 700, which is disposed on the smoke collection hood 1 and located below the main oil filter 300. The oil collection cup of the range hood is disposed at the lower end of the lower plate 700, allowing oil fumes to flow into the oil collection cup along the lower plate 700, thus preventing oil fumes from contaminating the stovetop.

[0068] The lower plate 700 can be the lower glass plate, and the flip plate 500 can be the flip glass plate; this saves manufacturing costs.

[0069] Combination Figures 1 to 3 In an embodiment of this utility model, a range hood is also provided, which includes the above-mentioned smoke exhaust component and range hood body.

[0070] The range hood body is equipped with a smoke collection hood 1, which forms a smoke collection chamber.

[0071] The smoke extraction component is located on the main body of the range hood.

[0072] It is understandable that the range hood provided by this utility model, since it includes the aforementioned smoke extraction components, inevitably possesses all the advantages of those components. That is, the range hood can also allow most of the cooking fumes to enter the smoke collection chamber from the main oil filter 300 through the main air inlet 100. For the small portion of escaping fumes, the flip plate 500 can cover and trap the escaping fumes, allowing them to enter the smoke collection chamber from the secondary oil filter 400 through the auxiliary air inlet 200; thus greatly improving the smoke extraction effect of the range hood; and without increasing the motor power and speed, or increasing the airflow, the smoke collection effect of the range hood can be improved, thereby enhancing the user experience.

[0073] In this specification, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0074] In the description of this specification, the use of terms such as "preferred embodiment," "another embodiment," "some embodiments," "other embodiments," or "specific example," etc., refers to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0075] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A smoke extraction assembly, disposed in a range hood, the range hood having a smoke collection hood forming a smoke collection chamber, characterized in that, The smoke extraction assembly includes: The smoke hood is provided with a main air inlet and an auxiliary air inlet. The main air inlet and the auxiliary air inlet are located on the same plane of the smoke hood and are both connected to the smoke collection chamber. The main air inlet is located below the auxiliary air inlet. The main oil filter is located at the main air inlet; A secondary oil filter is located at the auxiliary air inlet; A flip plate is provided on the smoke collection hood, and the flip plate is located between the main oil mesh and the auxiliary oil mesh to separate the main oil mesh and the auxiliary oil mesh.

2. The smoke extraction assembly as described in claim 1, characterized in that, The flip-up plate is hinged to the smoke collection hood. When the range hood is in operation, the flip plate opens to separate the main oil filter from the auxiliary oil filter.

3. The smoke extraction assembly as described in claim 1, characterized in that, The area of ​​the main air inlet is larger than the area of ​​the auxiliary air inlet. The area of ​​the main oil network is larger than the area of ​​the secondary oil network.

4. The smoke extraction assembly as described in claim 3, characterized in that, The ratio of the area of ​​the auxiliary air inlet to the area of ​​the main air inlet is 1:

7.

5. The smoke extraction assembly as described in claim 4, characterized in that, The area of the auxiliary air inlet is 5000mm 2 The area of the main air inlet is 35000mm 2 .

6. The smoke extraction assembly as described in claim 1, characterized in that, The distance between the upper edge of the main air inlet and the lower edge of the auxiliary air inlet is 45mm to 100mm.

7. The smoke extraction assembly as described in claim 1, characterized in that, The smoke collection hood includes an upper smoke collection hood and a smoke collection hood body. The upper smoke hood is located above the smoke hood body, making the smoke hood form a "7" shape, and the auxiliary oil screen and the auxiliary air inlet are located below the upper smoke hood.

8. The smoke extraction assembly as described in claim 7, characterized in that, The upper smoke hood is equipped with a lamp assembly.

9. The smoke extraction assembly as described in claim 1, characterized in that, It also includes a lower plate, which is disposed on the smoke collection hood and located below the main oil mesh. The lower plate is a lower glass plate, and the flip plate is a flip glass plate.

10. A range hood, characterized in that, Includes the smoke extraction assembly and the range hood body as described in any one of claims 1 to 9. The smoke exhaust component is located on the main body of the range hood.