Cooking fume self-cleaning type range hood

By designing an automated self-cleaning range hood, and using a rotating motor to drive the telescopic arm and nozzle to spray cleaning fluid, the problem of manual cleaning of the range hood is solved, and an automated, dead-angle-free cleaning effect is achieved.

CN223388647UActive Publication Date: 2025-09-26XINYANG DATANG ENVIRONMENT-PROTECTION EQUIP TECH CO LTD
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Patent Information

Application Number
CN202422889091.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-09-26
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Existing range hoods require frequent manual cleaning of oil stains during use, which wastes manpower and is not thorough, leaving dead corners.

Method used

A self-cleaning range hood with oil smoke is designed. A rotating motor drives the telescopic arm to drive the cleaning strip and nozzle. The cleaning liquid is sprayed through the cleaning liquid delivery unit. The reciprocating motion of the telescopic arm is used to realize automatic cleaning of the range hood shell. The baffle limiter is combined to prevent liquid overflow.

Benefits of technology

The automatic cleaning of the range hood shell is realized, which saves manpower, has a good cleaning effect without dead angles, and avoids the overflow of cleaning liquid.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of range hoods, in particular to a lampblack self-cleaning type range hood which comprises a range hood shell, an equipment box arranged at the upper end of the range hood, a mounting seat arranged at the lower end of the range hood shell, an oil groove detachably arranged in the mounting seat, and rotating motors arranged at two ends in the equipment box, the rotating motors are connected with telescopic arms respectively, the telescopic arms comprise inner pipes and outer pipes which are arranged in a sleeved mode, cleaning rubber strips are arranged on the side walls of the inner pipes and the outer pipes, first electric telescopic rods connected with the outer pipes are arranged in the inner pipes, spiral pipes are arranged in the telescopic arms, and the inner pipes and the outer pipes are provided with spray heads connected with the spiral pipes. And a cleaning liquid conveying unit connected with the spiral pipe is arranged in the range hood shell. The range hood has the function of cleaning the range hood, and manpower is saved.
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Description

Technical Field

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

[0002] Scientific research shows that the fumes produced by cooking are equivalent to severe air pollution, which not only harms the respiratory tract, but is also likely to cause skin problems, digestive system diseases, and even increase the risk of various cancers. Range hoods can reduce the harm of fumes. As an indispensable household appliance in home kitchens, range hoods have a very high penetration rate in my country. During the use of range hoods, a lot of oil stains will be left on the surface of the range hoods, which need to be cleaned frequently. Therefore, it is particularly necessary to develop a labor-saving self-cleaning range hood. Summary of the Invention

[0003] The purpose of the utility model is to provide a self-cleaning range hood with the advantage of saving manpower.

[0004] The technical solutions adopted are as follows:

[0005] A self-cleaning range hood with oil fume comprises a range hood shell, a device box is provided at the upper end of the range hood, a mounting base is provided at the lower end of the range hood shell, an oil tank is detachably provided in the mounting base, rotating motors are provided at both ends inside the device box, the rotating motors are respectively connected to telescopic arms, the telescopic arms comprise a sleeved inner tube and an outer tube, the side walls of the inner tube and the outer tube are both provided with cleaning strips, a first electric telescopic rod connected to the outer tube is provided inside the inner tube, a spiral tube is provided inside the telescopic arm, the inner tube and the outer tube are both provided with nozzles connected to the spiral tube, and a cleaning liquid delivery unit connected to the spiral tube is provided inside the range hood shell.

[0006] Preferably, the device box is rotatably provided with a door cover, and the door cover and the device box are locked with magnets.

[0007] Preferably, a horizontal moving mechanism is provided between the mounting base and the range hood housing, and the horizontal moving mechanism comprises a plurality of horizontally extending second electric telescopic rods, and two ends of the second electric telescopic rods are respectively connected to the mounting base and the horizontal moving mechanism.

[0008] Preferably, baffles are slidably provided on both sides of the range hood housing, and the lower ends of the baffles are connected to the mounting base.

[0009] Preferably, the outer tube and the inner tube are both provided with two cleaning strips, and the cleaning strips are staggered.

[0010] Compared with the existing technology, the beneficial effects are:

[0011] 1. The utility model utilizes a rotating motor to drive the corresponding telescopic arm to rotate. First, the cleaning liquid is transported to each nozzle through a spiral tube by a cleaning liquid delivery unit to evenly spray the cleaning liquid onto the surface of the hydraulic press housing. Then, the reciprocating swing of the telescopic arm is utilized to clean the range hood housing. The used cleaning liquid flows into the oil tank, thereby realizing automatic cleaning of the front end surface of the range hood housing and saving manpower.

[0012] 2. The telescopic arm of the utility model can completely cover the front end surface of the range hood housing, leaving no blind spots for cleaning and achieving good cleaning effect.

[0013] 3. In the present invention, baffles are slidably provided on both sides of the range hood housing. When cleaning, the baffles are extended to limit the cleaning liquid on the front end of the range hood housing to prevent the cleaning liquid from overflowing from both sides of the range hood housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural diagram of a self-cleaning range hood of oil smoke in the utility model.

[0015] Figure 2 This is a schematic diagram of the internal structure of a self-cleaning range hood of oil smoke in this utility model.

[0016] Figure 3 This is a three-dimensional structural diagram of a telescopic arm of a self-cleaning range hood of oil smoke in the utility model.

[0017] Figure 4 This is a schematic diagram of the internal structure of a telescopic arm of a self-cleaning range hood of oil smoke in the utility model.

[0018] In the figure: 1. Range hood housing; 2. Equipment box; 3. Oil tank; 4. Rotating motor; 5. Inner tube; 6. Outer tube; 7. Cleaning strip; 8. First electric telescopic rod; 9. Spiral tube; 10. Nozzle; 11. Cleaning liquid delivery unit; 12. Door cover; 13. Mounting base; 14. Second electric telescopic rod; 15. Baffle. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to specific embodiments. Figures 1 to 4 As shown:

[0020] Example 1: A self-cleaning range hood for oil fumes comprises a range hood housing 1, a device box 2 is provided at the upper end of the range hood, a mounting base 13 is provided at the lower end of the range hood housing 1, an oil tank 3 is detachably provided in the mounting base 13, the oil tank 3 is used to receive oil condensed from the oil fumes, rotating motors 4 are provided at both ends of the interior of the device box 2, the rotating motors 4 are respectively connected to telescopic arms, and the rotating motors 4 drive the corresponding telescopic arms to rotate back and forth.

[0021] The telescopic arm includes a sleeved inner tube 5 and an outer tube 6. The inner tube 5 is connected to the corresponding rotating motor 4. The side walls of the inner tube 5 and the outer tube 6 are provided with cleaning strips 7. The cleaning strips 7 are both provided on the side close to the range hood housing 1. A first electric telescopic rod 8 connected to the outer tube 6 is provided inside the inner tube 5. The first electric telescopic rod 8 controls the outer tube 6 to slide on the outside of the inner tube 5, thereby controlling the extension and retraction of the telescopic arm. The rotating motor 4 controls the rotation of the telescopic arm, thereby utilizing the cleaning strips 7 to clean the oil stains on the front end surface of the range hood housing 1.

[0022] A spiral tube 9 is provided in the telescopic arm, and both the inner tube 5 and the outer tube 6 are provided with a nozzle 10 connected to the spiral tube 9. A cleaning liquid delivery unit 11 connected to the spiral tube 9 is provided in the range hood housing 1. The cleaning liquid delivery unit 11 delivers the cleaning liquid to each nozzle 10 through the spiral tube 9. As the telescopic arm rotates, the cleaning liquid is evenly sprayed onto the surface of the hydraulic press housing. Then, the rotating telescopic arm is used to clean the front end surface of the range hood housing 1. The nozzles 10 are distributed at intervals. During the extension and retraction of the telescopic arm, the outer tube 6 does not block the nozzle 10 on the inner tube 5.

[0023] During the rotation of the telescopic arm, as the outer side of the telescopic arm approaches the oil tank 3 at the lower end of the range hood housing 1, the first electric telescopic rod 8 controls the telescopic arm to shorten, thereby completely covering the front end surface of the range hood housing 1, leaving no blind spots for cleaning, and achieving a good cleaning effect.

[0024] Example 2: A self-cleaning range hood of oil fume comprises a range hood housing 1, a device box 2 is provided at the upper end of the range hood, a door cover 12 is rotatably provided on the device box 2, the door cover 12 and the device box 2 are magnetically locked to reduce the entry of oil fume into the device box 2, a mounting seat 13 is provided at the lower end of the range hood housing 1, an oil tank 3 is detachably provided in the mounting seat 13, the oil tank 3 is used to receive the oil condensed from the oil fume, a rotating motor 4 is provided at both ends of the interior of the device box 2, the rotating motor 4 is respectively connected to a telescopic arm, and the rotating motor 4 drives the corresponding telescopic arm to rotate back and forth.

[0025] A horizontal moving mechanism is provided between the mounting seat 13 and the range hood housing 1. The horizontal moving mechanism includes a plurality of horizontally extending second electric telescopic rods 14. The two ends of the second electric telescopic rods 14 are respectively connected to the mounting seat 13 and the horizontal moving mechanism. The horizontal moving mechanism controls the movement of the mounting seat 13. When the oil tank 3 needs to be removed, the mounting seat 13 is controlled to move outward to facilitate the removal of the oil tank 3.

[0026] The telescopic arm includes a sleeved inner tube 5 and an outer tube 6. The inner tube 5 is connected to the corresponding rotating motor 4. The side walls of the inner tube 5 and the outer tube 6 are provided with cleaning strips 7. The cleaning strips 7 are both provided on the side close to the range hood housing 1. The outer tube 6 and the inner tube 5 are both provided with two cleaning strips 7, and the cleaning strips 7 are staggered. A first electric telescopic rod 8 connected to the outer tube 6 is provided inside the inner tube 5. The first electric telescopic rod 8 controls the outer tube 6 to slide on the outside of the inner tube 5, thereby controlling the extension and retraction of the telescopic arm. The rotating motor 4 controls the rotation of the telescopic arm, thereby utilizing the cleaning strips 7 to clean the oil stains on the front end surface of the range hood housing 1.

[0027] A spiral tube 9 is provided in the telescopic arm, and both the inner tube 5 and the outer tube 6 are provided with a nozzle 10 connected to the spiral tube 9. A cleaning liquid delivery unit 11 connected to the spiral tube 9 is provided in the range hood housing 1. The cleaning liquid delivery unit 11 delivers the cleaning liquid to each nozzle 10 through the spiral tube 9. As the telescopic arm rotates, the cleaning liquid is evenly sprayed onto the surface of the hydraulic press housing. Then, the rotating telescopic arm is used to clean the front end surface of the range hood housing 1. The nozzles 10 are distributed at intervals. During the extension and retraction of the telescopic arm, the outer tube 6 does not block the nozzle 10 on the inner tube 5.

[0028] During the rotation of the telescopic arm, as the outer side of the telescopic arm approaches the oil tank 3 at the lower end of the range hood housing 1, the first electric telescopic rod 8 controls the telescopic arm to shorten, thereby completely covering the front end surface of the range hood housing 1, leaving no blind spots for cleaning, and achieving good cleaning effect. Baffles 15 are slidingly provided on both sides of the range hood housing 1, and the lower ends of the baffles 15 are connected to the mounting base 13. When cleaning, the baffles 15 are extended to limit the cleaning liquid on the front end surface of the range hood housing 1 to prevent the cleaning liquid from overflowing from both sides of the range hood housing 1.

[0029] The specific working process is as follows: when it is necessary to clean the front end surface of the range hood casing 1, the mounting seat 13 is controlled to move outward, thereby driving the baffle 15 to extend forward, opening the door cover 12, and starting the two rotating motors 4 to swing the corresponding telescopic arms back and forth. During the first swinging of the telescopic arms, the cleaning liquid delivery unit 11 is started to deliver the cleaning liquid to each nozzle 10 through the spiral tube 9 to evenly spray the cleaning liquid onto the surface of the hydraulic press casing, and the telescopic arm is controlled to extend and retract during the swinging process to ensure cleaning without dead angles and without interference with the oil tank 3. In the subsequent swinging of the telescopic arm, the cleaning strip 7 is used to scrape off the oil stains and cleaning liquid at the front end of the range hood casing 1 and flow into the oil tank 3. After cleaning is completed, the telescopic arm is reset, the door cover 12 is closed, the oil tank 3 is removed to dump the waste oil and cleaning liquid, and after installing the oil tank 3, the mounting seat 13 is controlled to retreat and reset.

[0030] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A self-cleaning range hood, characterized by: The range hood comprises a housing (1), a device box (2) is provided at the upper end of the range hood, a mounting seat (13) is provided at the lower end of the range hood housing (1), an oil tank (3) is detachably provided in the mounting seat (13), a rotating motor (4) is provided at both ends of the interior of the device box (2), the rotating motor (4) is respectively connected to a telescopic arm, the telescopic arm comprises a sleeved inner tube (5) and an outer tube (6), the side walls of the inner tube (5) and the outer tube (6) are both provided with a cleaning rubber strip (7), a first electric telescopic rod (8) connected to the outer tube (6) is provided inside the inner tube (5), a spiral tube (9) is provided inside the telescopic arm, the inner tube (5) and the outer tube (6) are both provided with a nozzle (10) connected to the spiral tube (9), and a cleaning liquid delivery unit (11) connected to the spiral tube (9) is provided inside the range hood housing (1).

2. The self-cleaning range hood according to claim 1, characterized in that: The device box (2) is rotatably provided with a door cover (12), and the door cover (12) and the device box (2) are locked by magnetic attraction.

3. The self-cleaning range hood according to claim 1, characterized in that: A horizontal moving mechanism is provided between the mounting seat (13) and the range hood housing (1), and the horizontal moving mechanism comprises a plurality of horizontally extending second electric telescopic rods (14), the two ends of the second electric telescopic rods (14) being connected to the mounting seat (13) and the horizontal moving mechanism respectively.

4. The self-cleaning range hood according to claim 3, characterized in that: Baffles (15) are slidably provided on both sides of the range hood housing (1), and the lower ends of the baffles (15) are connected to the mounting base (13).

5. The self-cleaning range hood according to claim 1, characterized in that: The outer tube (6) and the inner tube (5) are both provided with two cleaning rubber strips (7), and the cleaning rubber strips (7) are arranged in a staggered manner.