Kitchen range hood with self-cleaning equipment

By designing self-cleaning equipment in the kitchen range hood, and using the cooperation of the drive motor and the oil scraper to automatically clean and collect oil stains on the filter, the cumbersome problems of manual cleaning in the existing technology are solved, and the convenience and maintenance efficiency of the equipment are improved.

CN222865026UActive Publication Date: 2025-05-13CHENGDU XINSUYUAN KITCHEN ENG CO LTD
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Patent Information

Application Number
CN202421253375.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-05-13
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

After use, existing kitchen range hoods need to manually clean the oil stains on the air inlet filter, which is cumbersome and can easily lead to erosion of the filter.

Method used

A kitchen range hood with self-cleaning equipment is designed. By driving the motor to drive the rotating shaft, the cleaning wheel, the centrifugal exhaust fan blade and the oil collection assembly are synchronously rotated. The oil scraper plate is used to fit the surface of the air intake cover assembly, and the oil stains are automatically cleaned and collected into the inside of the oil collection assembly.

Benefits of technology

It realizes automatic cleaning of oil stains on the air inlet filter, reducing the trouble of manual cleaning, avoiding the erosion of the filter, and improving the convenience of use and maintenance efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kitchen range hood with self-cleaning equipment, and relates to the technical field of range hoods. The smoke exhaust ventilator comprises a machine shell, a fan shell is fixedly installed on the top face of the machine shell, a connecting smoke pipe is arranged on the surface of the fan shell, a driving motor is fixedly installed on the top face of the fan shell, and a rotating shaft is fixedly installed at the output end of the driving motor. The centrifugal exhaust fan blades rotate in the fan shell so that suction force can be generated, external oil fume can be sucked, and the local inner wall, difficult to clean, in the fan shell can be cleaned through the driving motor; the oil collecting assembly rotates to drive an oil scraping plate on the surface of the oil collecting assembly to rotate along the surface of the air inlet cover assembly, and the oil scraping plate is attached to the surface of the air inlet cover assembly, so that oil stains on the surface of the air inlet cover assembly are cleaned, and the oil stains can be cleaned into the oil collecting assembly; and the cleaned oil stain is collected through the oil collecting assembly.
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Description

Technical Field

[0001] The utility model relates to the technical field of range hoods, in particular to a kitchen range hood with self-cleaning equipment. Background Art

[0002] A kitchen range hood is a device used to remove fumes, smoke and odors generated in the kitchen. It exhausts fumes and odors in the air out of the house by suction and filtering, keeping the kitchen air fresh and reducing the impact of fumes on the indoor environment and human health.

[0003] The Chinese patent with the announcement number CN214949285U discloses a kitchen range hood with a self-cleaning device, including a card cover, a fan and a motor, wherein the fan is welded to the top of the card cover, the motor is installed on the top of the fan by bolts, an air duct is welded to one side of the fan, a water pipe is welded to one side of the card cover, and a cone plate is welded to the inner side of the card cover;

[0004] With respect to the above-mentioned disclosed technology, a large amount of oil stains will stick to the surface of the air inlet filter of the existing range hood when it is in use. After each cooking, the surface needs to be wiped to prevent the filter from being corroded by dust or even oil stains. After cooking, the oil stains on the surface can only be cleaned manually with a rag, which is troublesome to clean.

[0005] For this purpose, a kitchen range hood with a self-cleaning device is proposed. Utility Model Content

[0006] The purpose of the utility model is to solve the problems raised in the above background technology, and provide a kitchen range hood with a self-cleaning device.

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] A kitchen range hood with self-cleaning equipment comprises a casing, a fan casing is fixedly mounted on the top surface of the casing, a smoke pipe is connected to the surface of the fan casing, a driving motor is fixedly mounted on the top surface of the fan casing, a rotating shaft is fixedly mounted on the output end of the driving motor, a cleaning wheel and a centrifugal exhaust fan blade are respectively arranged on the surface of the rotating shaft, an air intake hood assembly is plugged into the interior of the casing, an oil collecting assembly is plugged into the bottom end of the rotating shaft, and two groups of scrapers for cleaning oil stains on the surface of the air intake hood assembly are fixedly mounted on the surface of the oil collecting assembly.

[0009] Furthermore, the casing includes a rectangular cover body, a mounting plate is fixedly installed on the inner wall of the rectangular cover body, a shell is fixedly installed on the top surface of the rectangular cover body, and a smoke exhaust pipe is provided on the top surface of the shell body, a fan casing is fixedly installed on the top of the smoke exhaust pipe, and the cleaning wheel and centrifugal exhaust fan blades are respectively located inside the smoke exhaust pipe and the fan casing.

[0010] Furthermore, the air intake hood assembly includes a frustoconical hood body, a mounting hole is provided on the surface of the mounting plate, and the frustoconical hood body is inserted and installed in the mounting hole, a mesh is provided on the surface of the frustoconical hood body, and an oil drain port is provided on the bottom surface of the frustoconical hood body.

[0011] Furthermore, the oil collecting assembly includes a snap-in sleeve, the bottom end of the rotating shaft is fixedly plugged with the snap-in sleeve, the bottom end of the snap-in sleeve is fixedly installed with an oil collecting box, the left and right side walls of the oil collecting box are fixedly installed with inclined rods, the surface of the inclined rods is provided with an oil drainage groove, the surface of the inclined rods is fixedly installed with an oil scraper plate, and the oil scraper plate is arranged to fit the surface of the frustum-shaped cover body.

[0012] Furthermore, the surface of the driving motor and the inner wall of the smoke exhaust pipe are arranged in a close fit, and the surface of the centrifugal exhaust fan blades and the inner wall of the fan housing are arranged in a close fit.

[0013] Furthermore, the oil collecting box is located below the frustum-shaped cover body, and the oil drain port is located just above the inside of the oil collecting box.

[0014] The beneficial effects of the utility model are as follows:

[0015] The driving motor drives the shaft to rotate, and the rotation of the shaft drives the cleaning wheel, centrifugal exhaust fan blades and the oil collecting assembly to rotate synchronously. The centrifugal exhaust fan blades rotate inside the fan casing to generate suction to absorb external oil smoke. The driving motor can clean the inner wall of the casing that is difficult to clean. The oil collecting assembly rotates to drive the oil scraper on its surface to rotate along the surface of the air intake hood assembly. The oil scraper fits the surface of the air intake hood assembly to clean the oil stains on the surface of the air intake hood assembly, so that the oil stains can be cleaned to the inside of the oil collecting assembly, and the cleaned oil stains are collected by the oil collecting assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 It is a front cross-sectional view of the utility model;

[0019] Figure 4It is a partial structural schematic diagram of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the oil collecting assembly of the utility model;

[0021] Figure numerals: 1, casing; 101, rectangular cover; 102, mounting plate; 103, shell; 104, smoke exhaust pipe; 2, fan casing; 3, connecting smoke pipe; 4, driving motor; 5, rotating shaft; 6, cleaning wheel; 7, centrifugal exhaust fan blades; 8, air intake hood assembly; 801, frustum-shaped cover; 802, mesh; 803, oil drain port; 9, oil collecting assembly; 901, oil collecting box; 902, snap-on sleeve; 903, inclined rod; 904, oil drain trough; 10, oil scraper. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0025] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] like Figures 1 to 5As shown, a kitchen range hood with self-cleaning equipment includes a casing 1, a fan casing 2 is fixedly installed on the top surface of the casing 1, and a connecting smoke duct 3 is arranged on the surface of the fan casing 2, a driving motor 4 is fixedly installed on the top surface of the fan casing 2, and a rotating shaft 5 is fixedly installed on the output end of the driving motor 4, and a cleaning wheel 6 and a centrifugal exhaust fan blade 7 are respectively arranged on the surface of the rotating shaft 5, an air intake hood assembly 8 is plugged into the interior of the casing 1, and an oil collecting assembly 9 is plugged into the bottom end of the rotating shaft 5, and two groups of scrapers 10 for cleaning oil stains on the surface of the air intake hood assembly 8 are fixedly installed on the surface of the oil collecting assembly 9. More specifically, the rotating shaft 5 is driven to rotate by the driving motor 4, and the rotation of the rotating shaft 5 drives the cleaning wheel 6, the centrifugal exhaust fan blades 7 and the oil collecting assembly 9 to rotate synchronously. The centrifugal exhaust fan blades 7 rotate inside the fan casing 2 to generate suction to absorb the external oil smoke. The driving motor 4 can clean the inner wall of the casing 1 that is difficult to clean. The oil collecting assembly 9 rotates to drive the oil scraper 10 on its surface to rotate along the surface of the air intake hood assembly 8. The oil scraper 10 fits the surface of the air intake hood assembly 8, so that the oil stains on the surface of the air intake hood assembly 8 are cleaned, so that the oil stains can be cleaned into the oil collecting assembly 9, and the oil collecting assembly 9 can collect the cleaned oil stains. It should be noted that due to the poor fluidity of the oil stains, the oil stains will not splash when the oil collecting assembly 9 and the oil scraper 10 rotate.

[0027] The housing 1 includes a rectangular cover 101, a mounting plate 102 is fixedly mounted on the inner wall of the rectangular cover 101, a housing 103 is fixedly mounted on the top surface of the rectangular cover 101, and a smoke exhaust pipe 104 is provided on the top surface of the housing 103, a fan housing 2 is fixedly mounted on the top of the smoke exhaust pipe 104, and a cleaning wheel 6 and a centrifugal exhaust fan blade 7 are respectively located inside the smoke exhaust pipe 104 and the fan housing 2. More specifically, the air intake hood assembly 8 is installed through the mounting plate 102 on the inner wall of the rectangular cover 101.

[0028] The air inlet cover assembly 8 includes a frustum-shaped cover body 801, a mounting hole is provided on the surface of the mounting plate 102, and the frustum-shaped cover body 801 is inserted and installed in the mounting hole, a mesh 802 is provided on the surface of the frustum-shaped cover body 801, and an oil discharge port 803 is provided on the bottom surface of the frustum-shaped cover body 801. More specifically, the oil smoke can enter the interior of the housing 1 through the mesh 802 on the surface of the frustum-shaped cover body 801, and the oil stains on the inner wall of the frustum-shaped cover body 801 slide down along the inner wall under the action of gravity, and the oil stains are discharged through the oil discharge port 803.

[0029] The oil collecting assembly 9 includes a snap-in sleeve 902, the bottom end of the rotating shaft 5 is fixedly plugged with the snap-in sleeve 902, the bottom end of the snap-in sleeve 902 is fixedly installed with an oil collecting box 901, the left and right side walls of the oil collecting box 901 are fixedly installed with inclined rods 903, the surface of the inclined rods 903 is provided with an oil drain groove 904, the surface of the inclined rods 903 is fixedly installed with an oil scraper 10, and the oil scraper 10 is arranged in a close fit with the surface of the frustum-shaped cover 801. More specifically, the oil scraper 10 is in contact with the inner wall of the frustum-shaped cover 801, so that the oil stains on the surface of the frustum-shaped cover 801 are cleaned, and the oil stains enter the inside of the oil drain groove 904 along the side of the oil scraper 10, and the oil stains are introduced into the inside of the oil collecting box 901 through the oil drain groove 904, so that the oil stains are collected.

[0030] The surface of the driving motor 4 is fitted with the inner wall of the smoke exhaust pipe 104, and the surface of the centrifugal exhaust fan blade 7 is fitted with the inner wall of the fan housing 2. More specifically, the driving motor 4 is located inside the smoke exhaust pipe 104, so that the oil stains on the inner wall of the smoke exhaust pipe 104 can be cleaned.

[0031] The oil collecting box 901 is located below the frustum-shaped cover 801, and the oil discharge port 803 is located just above the inside of the oil collecting box 901. More specifically, the oil collecting box 901 is located below the oil discharge port 803, so that the oil stains discharged from the oil discharge port 803 can be collected.

[0032] In summary: the rotating shaft 5 is driven to rotate by the driving motor 4, and the rotation of the rotating shaft 5 drives the cleaning wheel 6, the centrifugal exhaust fan blades 7 and the oil collecting assembly 9 to rotate synchronously, and the centrifugal exhaust fan blades 7 rotate inside the fan casing 2 to generate suction to absorb the external oil smoke, and the driving motor 4 can clean the inner wall of the casing 1 that is difficult to clean, and the oil collecting assembly 9 is rotated to drive the oil scraper 10 on its surface to rotate along the surface of the air intake hood assembly 8, and the oil scraper 10 fits the surface of the air intake hood assembly 8 to clean the oil stains on the surface of the air intake hood assembly 8, so that the oil stains can be cleaned to the inside of the oil collecting assembly 9, and the cleaned oil stains are collected by the oil collecting assembly 9. It should be noted that due to the poor fluidity of the oil stains, the oil stains will not splash when the oil collecting assembly 9 and the oil scraper 10 rotate.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A kitchen range hood with a self-cleaning device, characterized in that: The invention comprises a casing (1), a fan casing (2) is fixedly mounted on the top surface of the casing (1), and a connecting smoke pipe (3) is arranged on the surface of the fan casing (2), a driving motor (4) is fixedly mounted on the top surface of the fan casing (2), and a rotating shaft (5) is fixedly mounted on the output end of the driving motor (4), and a cleaning wheel (6) and a centrifugal exhaust fan blade (7) are respectively arranged on the surface of the rotating shaft (5), an air intake hood assembly (8) is plugged into the interior of the casing (1), and an oil collecting assembly (9) is plugged into the bottom end of the rotating shaft (5), and two groups of oil scrapers (10) for cleaning oil stains on the surface of the air intake hood assembly (8) are fixedly mounted on the surface of the oil collecting assembly (9).

2. A kitchen range hood with a self-cleaning device according to claim 1, characterized in that: The casing (1) comprises a rectangular cover body (101), a mounting plate (102) is fixedly mounted on the inner wall of the rectangular cover body (101), a shell (103) is fixedly mounted on the top surface of the rectangular cover body (101), and a smoke exhaust pipe (104) is arranged on the top surface of the shell (103), a fan casing (2) is fixedly mounted on the top of the smoke exhaust pipe (104), and the cleaning wheel (6) and the centrifugal exhaust fan blades (7) are respectively located inside the smoke exhaust pipe (104) and the fan casing (2).

3. A kitchen range hood with a self-cleaning device according to claim 2, characterized in that: The air intake hood assembly (8) comprises a frustoconical hood body (801), a mounting hole is provided on the surface of the mounting plate (102), and the frustoconical hood body (801) is inserted and installed in the mounting hole, a mesh (802) is provided on the surface of the frustoconical hood body (801), and an oil drain port (803) is provided on the bottom surface of the frustoconical hood body (801).

4. A kitchen range hood with a self-cleaning device according to claim 3, characterized in that: The oil collecting assembly (9) comprises a snap-fit ​​sleeve (902), the bottom end of the rotating shaft (5) is fixedly plugged with the snap-fit ​​sleeve (902), the bottom end of the snap-fit ​​sleeve (902) is fixedly mounted with an oil collecting box (901), the left and right side walls of the oil collecting box (901) are fixedly mounted with inclined rods (903), the surface of the inclined rods (903) is provided with oil drain grooves (904), the surface of the inclined rods (903) is fixedly mounted with an oil scraper plate (10), and the oil scraper plate (10) is arranged to fit the surface of the frustum-shaped cover body (801).

5. A kitchen range hood with a self-cleaning device according to claim 2, characterized in that: The surface of the driving motor (4) and the inner wall of the smoke exhaust pipe (104) are arranged in a close fit, and the surface of the centrifugal exhaust fan blade (7) and the inner wall of the fan housing (2) are arranged in a close fit.

6. A kitchen range hood with a self-cleaning device according to claim 4, characterized in that: The oil collecting box (901) is located below the frustum-shaped cover body (801), and the oil discharge port (803) is located directly above the inside of the oil collecting box (901).

Citation Information

Patent Citations

  • Kitchen range hood with self-cleaning device

    CN214949285U