Range hood free of disassembly and washing and easy to clean

By designing an intermittent switching mechanism and cleaning components, the range hood filter screen can be cleaned without disassembly. The combination of gears and plates and an automatic cleaning system solves the problem of inconvenient filter screen cleaning and improves cleaning efficiency.

CN223726443UActive Publication Date: 2025-12-26SHAOXING ELEO KITCHEN APPLIANCES CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520148190.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-26
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

The existing range hood's oil filter screen needs to be manually disassembled for cleaning, which is inconvenient.

Method used

It employs an intermittent switching mechanism and cleaning components, using a gear and toothed plate combination to achieve filter screen flipping and cleaning, and utilizes a liquid tank, water pump and spray box for automatic cleaning.

Benefits of technology

It achieves filter screen cleaning without disassembly, is simple to operate, has high cleaning efficiency, and reduces manual intervention.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223726443U_ABST
    Figure CN223726443U_ABST
Patent Text Reader

Abstract

The range hood comprises a range hood main body, the inner wall of the range hood main body is rotationally connected with a filter screen through a rotating shaft, the outer wall of the rotating shaft is connected with a gear through a key, and an intermittent switching mechanism is arranged in the range hood main body. Comprising a rotating plate, a first rotating rod, a moving frame, a first toothed plate, a second toothed plate, a third toothed plate, a fluted disc and a toothed column, the rotating plate can be directly stirred to enable a swing head to make contact with a rotating head during use, the toothed plates are driven to rotate intermittently, then the fluted disc is meshed with the first toothed plate, the second toothed plate drives the moving frame to move, the third toothed plate is meshed with the toothed column, and the toothed column is meshed with a gear to drive a filter screen to turn over; and then the interior is cleaned. The filter screen cleaning device can automatically clean the filter screen, meanwhile, the motor, the lead screw, the movable scraping plate and the guide plate are arranged, the motor can be started to drive the lead screw to enable the movable scraping plate to slide when the filter screen cleaning device is used, and sprayed cleaning foam is assisted in cleaning the filter screen.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to range hood technical field especially relates to a kind of easy-to-clean range hood of disassembly-free washing. BACKGROUND

[0002] In daily life, people need to cook food materials in the room, and prepare the nutrients needed by the body, but a large amount of smoke is often generated when cooking in the room, and too much oil fume can affect the human body, so it is necessary to install a range hood in the room.

[0003] According to the search, the patent with the Chinese patent publication number CN212362149U discloses a range hood, which comprises a range hood body, a main gesture recognition module arranged on the range hood body, and a first auxiliary gesture recognition module arranged on the range hood body.

[0004] The above-mentioned range hood realizes intelligent operation, but the filter screen is still of a traditional disassembly structure, and manual disassembly of the filter screen is required before cleaning, which is inconvenient. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a kind of easy-to-clean range hood of disassembly-free washing.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of easy-to-clean range hood of disassembly-free washing, including range hood main body, the filter screen is rotatably connected in the inner wall of range hood main body by pivot, and the outer wall of pivot is connected with gear by key, intermittent switching mechanism is equipped in range hood main body, the intermittent switching mechanism includes turnplate, rod one, moving frame, tooth column, rod two, the turnplate is rotatably connected in the inner wall of range hood main body by rod two, the outer side wall of rod two is sleeved with torsion spring, the torsion spring two ends are respectively contacted with the outer wall of turnplate and the inner wall of range hood main body, the rod one is rotatably connected in the inner wall of range hood main body by one-way bearing, the outer side wall of one end of rod one is rotatably connected with gear disc, the outer side wall of gear disc is rotatably connected with rotating head, the moving frame is slidably connected in the inner side wall of range hood main body, the inner wall of moving frame top and bottom is respectively fixedly installed with gear plate two and gear plate one, the gear plate one, gear plate two are all engaged with gear disc, the outer side wall of moving frame is fixedly installed with gear plate three, the tooth column is rotatably connected in the inner wall of range hood main body, the tooth column is engaged with gear plate three and gear respectively.

[0008] As a further scheme of the utility model: the outside lateral wall of the rotating plate is rotatably connected with a swing head through a hinge, and the rotating head is in contact with the swing head.

[0009] As a further scheme of the utility model: the inside of the range hood body is provided with a cleaning assembly, the cleaning assembly comprises a liquid tank, a collecting box, a water pump and a spraying box, and the water pump and the spraying box are fixedly installed on the inner wall of the range hood body.

[0010] As a further scheme of the utility model: the liquid tank is fixedly installed on the outside lateral wall of the range hood body, and the input end of the water pump is connected with the liquid tank.

[0011] As a further scheme of the utility model: the output end of the water pump is connected with the spraying box, and the collecting box is slidably connected with the inner wall of the range hood body.

[0012] As a further scheme of the utility model: the outside lateral wall of the range hood body is fixedly installed with an operation panel, the inner lateral wall of the range hood body is fixedly installed with a motor, the output end of the motor is connected with a lead screw through a shaft coupling, and the inner lateral wall of the range hood body is fixedly installed with a guide plate.

[0013] As a further scheme of the utility model: the inner lateral wall of the guide plate is slidably connected with a movable scraper, and the movable scraper is connected with the lead screw through a nut.

[0014] As a further scheme of the utility model: the outside lateral wall of the range hood body is fixedly installed with a fixed cylinder, the inner wall of the fixed cylinder is connected with a movable cylinder through threads, and the movable cylinder is in contact with the rotating rod.

[0015] Compared with the prior art, the utility model provides a kind of easy-to-clean range hood without disassembly, with the following beneficial effects:

[0016] 1. The utility model, by the combination of intermittent switching mechanism being set as rotating plate, rotating rod one, moving frame, toothed plate one, toothed plate two, toothed plate three, toothed disc, gear, toothed column, filter screen, when using, movable rotating plate makes swing head contact rotating head, drive toothed plate intermittent rotation, and then toothed disc engages toothed plate one, toothed plate two drives moving frame to move, toothed plate three engages toothed column, toothed column engages gear and drives filter screen to overturn, and then clean inside.

[0017] 2. The utility model, by the combination of cleaning assembly being set as liquid tank, collecting box, water pump and spraying box, when using, open water pump so that cleaning foam in liquid tank is sprayed out through spraying box, and filter screen is flushed, and then collected through collecting box.

[0018] 3. This utility model is equipped with a motor, a lead screw, a movable scraper, and a guide plate. When in use, the motor can be turned on to drive the lead screw to make the movable scraper slide, which helps the sprayed cleaning foam to clean the filter screen.

[0019] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a self-cleaning, non-disassembly-required range hood proposed in this utility model;

[0021] Figure 2 This is a bottom view of the structure of a self-cleaning, non-disassembly-required range hood proposed in this utility model.

[0022] Figure 3 This is a full sectional view of the easy-to-clean, non-disassembly range hood proposed in this utility model.

[0023] Figure 4 This utility model Figure 3 A magnified schematic diagram of the structure at point A;

[0024] Figure 5 This is a cross-sectional view of the fixed cylinder structure of an easy-to-clean, non-disassembly range hood proposed in this utility model;

[0025] Figure 6 This is a schematic diagram of the cleaning component structure of a range hood that is easy to clean without disassembly, as proposed in this utility model.

[0026] In the diagram: 1. Control panel; 2. Liquid tank; 3. Filter screen; 4. Collection box; 5. Main body of the range hood; 6. Rotating plate; 7. Gear plate one; 8. Gear disc; 9. Gear plate two; 10. Rotating rod one; 11. Rotating head; 12. Moving frame; 13. Gear plate three; 14. Gear; 15. Gear column; 16. Rotating rod two; 17. Torsion spring; 18. Swing head; 19. Fixed cylinder; 20. Moving cylinder; 21. Water pump; 22. Spray box; 23. Motor; 24. Moving scraper; 25. Guide plate; 26. Lead screw. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example 1

[0028] A type of easy-to-clean, no-disassembly range hood, such as Figures 1-6As shown, including the range hood main body 5, the inner wall of the range hood main body 5 is rotatably connected with the filter screen 3 through the shaft, and the outer wall of the shaft is connected with the gear 14 through the key, the inside of the range hood main body 5 is provided with intermittent switching mechanism, the intermittent switching mechanism comprises the rotating plate 6, the rotating rod one 10, the moving frame 12, the tooth column 15, the rotating rod two 16, the rotating plate 6 is rotatably connected to the inner wall of the range hood main body 5 through the rotating rod two 16, the outer side wall of the rotating rod two 16 is sleeved with the torsion spring 17, the two ends of the torsion spring 17 respectively abut on the outer wall of the rotating plate 6 and the inner wall of the range hood main body 5, the outer side wall of the rotating plate 6 is rotatably connected with the swing head 18 through the hinge, the rotating rod one 10 is rotatably connected to the inner wall of the range hood main body 5 through the one-way bearing, one end of the outer side wall of the rotating rod one 10 is rotatably connected with the tooth disc 8, the outer side wall of the tooth disc 8 is rotatably connected with the rotating head 11, the rotating head 11 is in contact with the swing head 18, the moving frame 12 is slidably connected to the inner side wall of the range hood main body 5, the top inner wall and the bottom inner wall of the moving frame 12 are respectively welded with the tooth plate two 9 and the tooth plate one 7, the tooth plate one 7 and the tooth plate two 9 are engaged with the tooth disc 8, the outer side wall of the moving frame 12 is welded with the tooth plate three 13, the tooth column 15 is rotatably connected to the inner wall of the range hood main body 5, the tooth column 15 is engaged with the tooth plate three 13 and the gear 14 respectively, the inside of the range hood main body 5 is provided with cleaning assembly.

[0029] In use, the user can make the swing head 18 contact the rotating head 11 to drive the tooth disc 8 to make intermittent rotation by rotating the rotating plate 6, and two rotations are a turnover period, when the tooth disc 8 makes intermittent rotation, the engagement of the tooth plate one 7 and the tooth plate two 9 with the tooth disc 8 makes the moving frame 12 make transverse reciprocating motion, thereby making the tooth plate three 13, the gear 14 and the tooth column 15 engage to drive the filter screen 3 to turn over, and then directly cleaning through the cleaning assembly, without disassembling the filter screen 3.

[0030] The cleaning assembly comprises the liquid tank 2, the collecting box 4, the water pump 21 and the spraying box 22, the water pump 21 and the spraying box 22 are both fixed on the inner wall of the range hood main body 5 through bolts, the liquid tank 2 is fixed on the outer side wall of the range hood main body 5 through bolts, the input end of the water pump 21 is connected with the liquid tank 2, the output end of the water pump 21 is connected with the spraying box 22, and the collecting box 4 is slidably connected to the inner wall of the range hood main body 5.

[0031] In use, cleaning foam is added in the liquid tank 2, and then the water pump 21 is opened to make the cleaning foam sprayed out through the spraying box 22, so that the filter screen 3 is cleaned after turning over.

[0032] The operation panel 1 is fixed to the outer side wall of the range hood body 5 by bolts, the motor 23 is fixed to the inner side wall of the range hood body 5 by bolts, the output end of the motor 23 is connected with the lead screw 26 through a shaft coupling, the guide plate 25 is fixed to the inner side wall of the range hood body 5 by bolts, the moving scraper 24 is slidably connected to the inner side wall of the guide plate 25, and the moving scraper 24 is connected with the lead screw 26 through a nut.

[0033] In use, the moving scraper 24 in the guide plate 25 is driven to slide by the lead screw 26 driven by the motor 23 controlled by the operation panel 1, and the cleaning foam sprayed by the spraying box 22 is used to clean the turned filter screen 3.

[0034] The fixed cylinder 19 is welded to the outer side wall of the range hood body 5, the movable cylinder 20 is threadedly connected to the inner wall of the fixed cylinder 19, and the movable cylinder 20 is in contact with the rotating rod 10.

[0035] When the movable cylinder 20 is rotated to be separated from the rotating rod 10 before the rotating plate 6 is rotated, the rotating rod 10 is also rotated when the rotating plate 6 is rotated to turn the filter screen 3, and the movable cylinder 20 is installed again to press the rotating rod 10 after the adjustment is completed, so that the rotating rod 10 is prevented from being deflected due to external vibration during use of the device.

[0036] Working principle: in use, the swinging head 18 is in contact with the rotating head 11 to drive the toothed disc 8 to intermittently rotate by rotating the rotating plate 6, one turning period is formed by rotating twice, the meshing of the toothed plate 7 and the toothed plate 9 with the toothed disc 8 enables the moving frame 12 to move transversely and reciprocally, so that the toothed plate 3, the gear 14 and the toothed column 15 are meshed to drive the filter screen 3 to turn, the cleaning foam is added into the liquid tank 2, then the water pump 21 is opened to enable the cleaning foam to be sprayed out of the spraying box 22, so that the filter screen 3 is cleaned on different surfaces after turning, the moving scraper 24 in the guide plate 25 is driven to slide by the lead screw 26 driven by the motor 23 controlled by the operation panel 1, and the cleaning foam sprayed by the spraying box 22 is used to clean the turned filter screen 3, and the filter screen 3 does not need to be disassembled.

[0037] The above merely describes a preferred embodiment of the utility model, and the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A self-cleaning and easy-to-clean range hood, comprising a main body (5), characterized in that, The inner wall of the range hood body (5) is rotatably connected to a filter screen (3) via a rotating shaft, and the outer wall of the rotating shaft is connected to a gear (14) via a key. The range hood body (5) is equipped with an intermittent switching mechanism, which includes a rotating plate (6), a rotating rod one (10), a moving frame (12), a gear column (15), and a rotating rod two (16). The rotating plate (6) is rotatably connected to the inner wall of the range hood body (5) via the rotating rod two (16). A torsion spring (17) is sleeved on the outer side wall of the rotating rod two (16). The two ends of the torsion spring (17) respectively abut against the outer wall of the rotating plate (6) and the inner wall of the range hood body (5). The rotating rod one (10) is rotatably connected to the filter screen (3) via a one-way bearing. The inner wall of the range hood body (5) has a toothed disc (8) rotatably connected to the outer side wall of one end of the rotating rod (10), and a rotating head (11) rotatably connected to the outer side wall of the toothed disc (8). The moving frame (12) is slidably connected to the inner side wall of the range hood body (5). The top inner wall and bottom inner wall of the moving frame (12) are respectively fixedly installed with a toothed plate (9) and a toothed plate (7). The toothed plate (7) and the toothed plate (9) are both meshed with the toothed disc (8). The outer side wall of the moving frame (12) is fixedly installed with a toothed plate (3) (13). The toothed column (15) is rotatably connected to the inner wall of the range hood body (5). The toothed column (15) is meshed with the toothed plate (3) (13) and the gear (14) respectively.

2. The easy-to-clean, non-disassembly-resistant range hood according to claim 1, characterized in that, The outer sidewall of the rotating plate (6) is rotatably connected to a swing head (18) via a hinge, and the rotating head (11) is in contact with the swing head (18).

3. The easy-to-clean, non-disassembly-resistant range hood according to claim 2, characterized in that, The main body (5) of the range hood is equipped with a cleaning component, which includes a liquid tank (2), a collection box (4), a water pump (21), and a spray box (22). The water pump (21) and the spray box (22) are both fixedly installed on the inner wall of the main body (5) of the range hood.

4. The easy-to-clean, non-disassembly-resistant range hood according to claim 3, characterized in that, The liquid tank (2) is fixedly installed on the outer side wall of the range hood body (5), and the input end of the water pump (21) is connected to the liquid tank (2).

5. The easy-to-clean, non-disassembly-resistant range hood according to claim 4, characterized in that, The output end of the water pump (21) is connected to the spray box (22), and the collection box (4) is slidably connected to the inner wall of the range hood body (5).

6. The easy-to-clean, non-disassembly-resistant range hood according to claim 1, characterized in that, An operation panel (1) is fixedly installed on the outer side wall of the main body (5) of the range hood, and a motor (23) is fixedly installed on the inner side wall of the main body (5). The output end of the motor (23) is connected to a lead screw (26) through a coupling, and a guide plate (25) is fixedly installed on the inner side wall of the main body (5).

7. The easy-to-clean, non-disassembly-resistant range hood according to claim 6, characterized in that, The guide plate (25) has a movable scraper (24) slidably connected to its inner side wall, and the movable scraper (24) is connected to the lead screw (26) through a lead screw nut.

8. The easy-to-clean, non-disassembly-resistant range hood according to claim 1, characterized in that, A fixed cylinder (19) is fixedly installed on the outer side wall of the main body (5) of the range hood. A movable cylinder (20) is connected to the inner wall of the fixed cylinder (19) by a thread. The movable cylinder (20) is in contact with the rotating rod (10).

Citation Information

Patent Citations

  • Range hood

    CN212362149U