Oil fume integrated machine with self-cleaning function

CN224787196UActive Publication Date: 2026-09-22JIANGXI RUIGE KITCHENWARE CO LTD
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Patent Information

Application Number
CN202522146741.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-11
Publication Date
2026-09-22
Estimated Expiration
2035-10-11

AI Technical Summary

Technical Problem

[0002]目前市场上多数家用吸油烟机虽能有效吸排油烟,但其滤油网长期使用后极易被厚重油垢堵塞,导致吸力下降、能耗增加与噪音变大,传统清洁方式要求用户频繁手动拆洗滤网,过程繁琐且油污难以彻底清除,使用强腐蚀性清洁剂还可能损伤设备表面,而部分具备自清洁功能的高端机型多采用高温蒸汽或水冲洗方式,其结构复杂、成本高昂且清洁后产生的油污水若处理不当易造成内部电路短路或二次污染,无法在常规机型上普及应用,消费者亟需一种结构简单可靠、成本适中且能高效完成滤网清洁的自动化解决方案

Benefits of technology

[0011]通过采用上述技术方案,与现有技术相比,本实用新型具有以下优点:

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Abstract

The utility model relates to the field of kitchen utensils, especially to an oil fume integrated machine with self-cleaning function, which comprises an extractor hood, an oil filter is installed at the front of the extractor hood, a guide groove is arranged on the inner side of the oil filter, a material collecting frame is slidably arranged at the bottom of the extractor hood, the material collecting frame is located below the guide groove, a cleaning mechanism is arranged on the extractor hood, the cleaning mechanism is used for quickly cleaning the oil filter, and a mounting plate is arranged on the lower side of the extractor hood. The utility model automatically reciprocatingly scrapes and brushes the surface of the oil filter through electric driving, completely removes stubborn oil stains, the cleaning piece connected with the spring can self-adapt to the unevenness of the filter screen surface, ensures that there is no dead angle in cleaning, the design of the guide groove and the material collecting frame realizes directional collection of dirty oil, avoids dripping during the cleaning process, and greatly reduces the manual cleaning burden of the user.
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Description

Technical Field

[0001] This utility model relates to the field of kitchen utensils, and in particular to a range hood with a self-cleaning function. Background Technology

[0002] While most household range hoods on the market can effectively extract cooking fumes, their filters are easily clogged with thick grease after long-term use, leading to decreased suction power, increased energy consumption, and increased noise. Traditional cleaning methods require users to frequently and manually disassemble and wash the filters, a cumbersome process that is difficult to completely remove grease. Using strong corrosive cleaning agents may also damage the surface of the equipment. Some high-end models with self-cleaning functions use high-temperature steam or water rinsing, which are complex in structure, expensive, and the resulting oily wastewater can easily cause short circuits or secondary pollution if not properly handled. These methods cannot be widely used in conventional models. Consumers urgently need an automated solution that is simple, reliable, cost-effective, and can efficiently clean the filters.

[0003] Therefore, in response to the above problems, a range hood with self-cleaning function is now being developed. Utility Model Content

[0004] In order to overcome the shortcomings of existing devices during use, this utility model provides an integrated range hood with self-cleaning function.

[0005] The technical solution of this utility model is: an integrated range hood with self-cleaning function, including a range hood, an oil filter installed at the front of the range hood, a guide groove provided on the inner side of the oil filter, a material collection frame slidably provided at the bottom of the range hood, the material collection frame being located below the guide groove, a cleaning mechanism provided on the range hood, the cleaning mechanism being used to quickly clean the oil filter, and an installation plate provided on the lower side of the range hood.

[0006] In a preferred embodiment of this utility model, the cleaning mechanism includes a drive assembly, which is installed on the upper left side of the range hood. A lead screw is mounted on the drive assembly and is rotatably connected to the mounting plate. A guide rod is provided on the right side of the mounting plate, and a connecting assembly is slidably connected to the guide rod. The left side of the connecting assembly is threadedly connected to the lead screw. A mounting component is slidably provided on the connecting assembly, and a spring is provided between the mounting component and the connecting assembly. A cleaning component is provided on the rear side of the mounting component, and the cleaning component is used to quickly clean the surface of the oil filter.

[0007] In a preferred embodiment of the present invention, a protective plate is further included. The protective plate is disposed between the mounting plate and the range hood, and the protective plate is used to protect the lead screw and guide rod on the drive assembly.

[0008] In a preferred embodiment of the present invention, the oil filter is provided with a handle on top.

[0009] In a preferred embodiment of this utility model, the oil filter and the range hood are detachably connected.

[0010] In a preferred embodiment of this utility model, a locking member is rotatably provided on the lower right side of the range hood, and the locking member is used to block the material collection frame.

[0011] By adopting the above technical solution, compared with the prior art, this utility model has the following advantages:

[0012] 1. This utility model uses electric drive to automatically scrape the surface of the oil filter repeatedly to thoroughly remove stubborn oil stains. Its spring-connected cleaning component can adapt to the unevenness of the filter screen surface to ensure that there are no dead corners in the cleaning. At the same time, the design of the guide groove and the collection frame realizes the directional collection of dirty oil, avoids leakage during the cleaning process, and greatly reduces the manual cleaning burden of users.

[0013] 2. This utility model effectively isolates the power components from the oil fume environment by adding a protective plate, significantly improving the anti-fouling ability and working reliability of the screw drive mechanism. The detachable design of the oil filter and the sliding cleaning of the collection frame further enhance the convenience of maintenance. The overall structure is compact and reasonable, and the manufacturing cost is controllable, providing an efficient and practical self-cleaning function extension for ordinary range hoods. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a partial cross-sectional three-dimensional structural diagram of the present invention.

[0016] Figure 3 This is a partial cross-sectional structural diagram of the present invention.

[0017] Figure 4 This is a three-dimensional structural diagram of the cleaning mechanism of this utility model.

[0018] Figure 5 This is a partial cross-sectional three-dimensional structural diagram of the cleaning mechanism of this utility model.

[0019] The components in the attached diagram are labeled as follows: 1. Range hood, 2. Oil filter, 3. Collection frame, 4. Cleaning mechanism, 41. Drive assembly, 42. Guide rod, 43. Connecting assembly, 44. Mounting component, 45. Spring, 46. Cleaning component, 5. Mounting plate, 6. Protective plate. Detailed Implementation

[0020] Although this invention may be described with respect to a particular application or industry, those skilled in the art will recognize its broader applicability. Those skilled in the art will understand that terms such as "above," "below," "upward," "downward," etc., are used to describe the drawings and not to indicate a limitation on the scope of the invention as defined by the appended claims. Any numerical designations such as "first" or "second" are merely illustrative and not intended to limit the scope of the invention in any way.

[0021] A range hood with self-cleaning function, such as Figures 1-5 As shown, the system includes a range hood 1, an oil filter 2 installed at the front of the range hood 1, a guide groove on the inner side of the oil filter 2, a handle on the top of the oil filter 2, and a detachable connection between the oil filter 2 and the range hood 1. A slidable collection frame 3 is installed at the bottom of the range hood 1, located below the guide groove. A locking element is rotatably installed on the lower right side of the range hood 1 to block the collection frame 3. A cleaning mechanism 4 is installed on the range hood 1 for quick cleaning of the oil filter 2. A mounting plate 5 is installed on the lower side of the range hood 1, and a protective plate 6 is installed between the mounting plate 5 and the range hood 1 to protect the filter. The cleaning mechanism 4 includes a drive assembly 41, a lead screw and a guide rod 42 on the drive assembly 41, and a guide rod 42 on the right side of the range hood 1. The drive assembly 41 is mounted on the upper left side of the range hood 1, and a lead screw is mounted on the drive assembly 41. The lead screw is rotatably connected to the mounting plate 5. A guide rod 42 is provided on the right side of the mounting plate 5, and a connecting assembly 43 is slidably connected to the guide rod 42. The left side of the connecting assembly 43 is threadedly connected to the lead screw. A mounting part 44 is slidably provided on the connecting assembly 43, and a spring 45 is provided between the mounting part 44 and the connecting assembly 43. A cleaning part 46 is provided on the rear side of the mounting part 44. The cleaning part 46 is used to quickly clean the surface of the oil filter 2.

[0022] It should be noted that the range hood 1, as the main body, has an oil filter 2 installed at its front, which is responsible for the initial filtration of grease particles in the fumes. The guide groove on the inner side of the oil filter 2 is used to guide the captured oil to a specific path. The handle on the top of the oil filter 2 makes it easy for users to disassemble, clean, or replace it. The sliding collection frame 3 at the bottom of the range hood 1 is located below the guide groove and is used to collect the grease flowing down from the guide groove and the mixture of grease generated during the cleaning process. The rotating locking part on the lower right side of the range hood 1 can effectively prevent the collection frame 3 from accidentally sliding out when it is turned to the locked position, ensuring safe use. When cleaning is required, the locking part can be rotated to open and the collection frame 3 can be pulled out. When the cleaning mechanism 4 is working, the user starts the drive assembly 41 (small motor) installed on the upper left side of the range hood 1. The drive assembly 41 drives the lead screw connected to it to rotate. Since the lead screw is rotatably connected to the mounting plate 5 fixed to the lower side of the range hood 1, the rotational motion is converted into linear motion. The connecting assembly 43, which is threadedly connected to the lead screw, moves horizontally under the drive of the rotating lead screw. At the same time, the connecting assembly 43 is slidably sleeved on the guide rod 42 fixed on the right side of the mounting plate 5. The guide rod 42 plays a key role in guiding and preventing the connecting assembly 43 from rotating with the lead screw, ensuring that the connecting assembly 43 can only move steadily. The connecting assembly 43 is slidably mounted with a mounting part 44 via a spring 45. A cleaning part 46 for cleaning the surface of the oil filter 2 is mounted on the rear side of the mounting part 44. The preload of the spring 45 ensures that the mounting part 44 and the cleaning part 46 remain in contact with the surface of the oil filter 2. Even if the surface of the oil filter 2 is uneven or the accumulated oil sludge is of varying thickness, the cleaning part 46 can adaptively maintain appropriate contact pressure under the action of the spring 45, thus ensuring a uniform and comprehensive cleaning effect. When the connecting assembly 43 is driven to move by the lead screw, it drives the cleaning part 46 to scrape or brush the entire surface of the oil filter 2, removing the residue adhering to it. Stubborn grease is forcibly removed, and the scraped grease falls along the surface of the oil filter 2 under the action of gravity. In addition, the protective plate 6 set between the mounting plate 5 and the range hood 1 isolates the precision moving parts such as the drive assembly 41, lead screw and guide rod 42 from the high humidity, high temperature and oily environment inside the range hood 1, effectively preventing grease from adhering to the lead screw thread or the surface of the guide rod 42 and causing movement jamming. This significantly improves the reliability and service life of the cleaning mechanism 4. The whole self-cleaning process is efficient and automated. Users only need to start the drive assembly 41 periodically and clean the collection frame 3 afterwards to keep the oil filter 2 unobstructed and clean, which greatly reduces the burden of daily maintenance.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that variations may be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A range hood with self-cleaning function, characterized in that, The range hood includes a range hood (1), an oil filter (2) is installed at the front of the range hood (1), a guide groove is provided inside the oil filter (2), a material collection frame (3) is slidably provided at the bottom of the range hood (1), the material collection frame (3) is located below the guide groove, a cleaning mechanism (4) is provided on the range hood (1), the cleaning mechanism (4) is used to quickly clean the oil filter (2), and an installation plate (5) is provided on the lower side of the range hood (1).

2. A range hood with self-cleaning function according to claim 1, characterized in that, The cleaning mechanism (4) includes a drive assembly (41). The drive assembly (41) is installed on the upper left side of the range hood (1). A lead screw is installed on the drive assembly (41). The lead screw is rotatably connected to the mounting plate (5). A guide rod (42) is provided on the right side of the mounting plate (5). A connecting assembly (43) is slidably connected to the guide rod (42). The left side of the connecting assembly (43) is threadedly connected to the lead screw. An installation part (44) is slidably provided on the connecting assembly (43). A spring (45) is provided between the installation part (44) and the connecting assembly (43). A cleaning part (46) is provided on the rear side of the installation part (44). The cleaning part (46) is used to quickly clean the surface of the oil filter (2).

3. A range hood with self-cleaning function according to claim 2, characterized in that, It also includes a protective plate (6), which is provided between the mounting plate (5) and the range hood (1). The protective plate (6) is used to protect the lead screw and guide rod (42) on the drive assembly (41).

4. A range hood with self-cleaning function according to claim 1, characterized in that, The oil filter (2) is provided with a handle on top.

5. A range hood with self-cleaning function according to claim 1, characterized in that, The oil filter (2) and the range hood (1) are detachable.

6. A range hood with self-cleaning function according to claim 1, characterized in that, The range hood (1) is provided with a locking device on the lower right side, which is used to block the material collection frame (3).