An oil screen cleaning assembly and range hood

The oil filter cleaning assembly, consisting of a guide mechanism and a brush body, solves the problem of easy clogging of the range hood's oil filter, achieving efficient cleaning and simplified maintenance.

CN115682070BActive Publication Date: 2026-01-20HANGZHOU ROBAM APPLIANCES CO LTD
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Patent Information

Application Number
CN202211370542.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-03
Publication Date
2026-01-20
Estimated Expiration
2042-11-03

AI Technical Summary

Technical Problem

The existing oil filter cleaning mechanism of the range hood has a complex structure and is easily clogged by oil, resulting in poor cleaning, increased production costs and difficult maintenance.

Method used

The oil screen cleaning assembly consists of a guide mechanism and a brush body. An oil drain groove is set between the sliding part and the guide part. Combined with the drive mechanism and the tensioning mechanism, it ensures that the brush body moves smoothly and automatically cleans the oil screen.

Benefits of technology

It achieves efficient cleaning of the oil filter, reduces production costs, simplifies the maintenance process, and ensures the stable operation of the cleaning components.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention belongs to the field of range hood technology and discloses an oil filter cleaning assembly and a range hood. The oil filter cleaning assembly includes a guiding mechanism and a brush body. The guiding mechanism is installed inside the range hood housing and includes a sliding member and a guide member that are slidably connected. At least one oil drain groove is provided at the sliding connection between the sliding member and the guide member, extending along the sliding direction and penetrating the sliding member. The brush body is connected to the sliding member and can move along the guide member to clean the range hood oil filter. When the brush body and the sliding member move, the oil stains attached to the guide member can be discharged through the oil drain groove, ensuring smooth and unobstructed movement between the sliding member and the guide member and reducing the phenomenon that the brush body cannot move due to oil stains. The range hood includes a range hood housing, a range hood oil filter, and the above-mentioned oil filter cleaning assembly. The range hood has a simple and compact overall structure, and the oil filter cleaning assembly can reliably and stably clean the range hood oil filter, preventing the range hood oil filter from becoming clogged.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of range hood, and particularly relates to an oil screen cleaning assembly and a range hood. BACKGROUND

[0002] The range hood is an essential kitchen electrical equipment in the kitchen, and an oil screen is usually arranged at an air inlet of the range hood to make air suction of the range hood uniform and to play a role of noise reduction and rectification. However, with long-term use of the range hood, the oil screen is easily blocked by oil stains, so a cleaning mechanism is usually assembled below the oil screen to achieve the purpose of cleaning the oil screen by reciprocating brushing. However, the cleaning mechanism is easily adhered and stuck by stubborn oil stains due to long-term stay in the oil fume environment, which leads to poor cleaning operation and is not conducive to improving user experience. Moreover, the existing cleaning mechanism has a complex structure and many fine parts, which increases the risk of oil stain adhesion and production cost, and is difficult to disassemble, clean and maintain. SUMMARY

[0003] The present application relates to the technical field of range hood, and particularly relates to an oil screen cleaning assembly and a range hood.

[0004] To achieve the above purpose, the present application adopts the following technical solutions:

[0005] In one aspect, an oil screen cleaning assembly is provided, comprising:

[0006] A guide mechanism is installed in a range hood shell, and the guide mechanism comprises a sliding member and a guide member in sliding connection; at least one oil discharge groove is arranged at a sliding connection position of the sliding member and the guide member, the oil discharge groove extends along a sliding direction, and penetrates through the sliding member;

[0007] A brush body is connected with the sliding member and can move along the guide member to brush the oil screen of the range hood.

[0008] Optionally, a plurality of oil discharge grooves are arranged, a protrusion is formed between two adjacent oil discharge grooves, and sharp ends are formed at both ends of the protrusion along the sliding direction of the sliding member.

[0009] Optionally, the oil screen cleaning assembly further comprises a driving mechanism, and the driving mechanism can drive the brush body and the sliding member to move along the guide member.

[0010] Optionally, the driving mechanism comprises a power source, a driving wheel, a driven wheel and a transmission belt, the brush body is connected with the transmission belt, an output end of the power source is connected with the driving wheel, and the transmission belt is in transmission connection with the driving wheel and the driven wheel.

[0011] Optionally, the oil screen cleaning assembly further comprises a tensioning mechanism, the tensioning mechanism comprising a support base, a support shaft, an elastic member and a first threaded member; the support base is fixedly connected with the range hood shell; one end of the support shaft passes through the support base, the elastic member and is connected with the first threaded member; the other end of the support shaft is rotatably installed with the driven wheel.

[0012] Optionally, the tensioning mechanism further comprises a positioning member, a first abutting surface is arranged on the support shaft, and one end of the positioning member extends into the support base and abuts against the first abutting surface.

[0013] Optionally, the tensioning mechanism further comprises an adapter and a second threaded member, the driven wheel is rotatably installed on the adapter, and the adapter passes through the support shaft and is connected with the second threaded member.

[0014] Optionally, the brush body comprises a brush head and a brush handle which are detachably connected, the brush handle is connected with the sliding member, and the brush head faces the range hood oil screen.

[0015] Optionally, a mounting groove is formed in the brush handle, the brush head is mounted in the mounting groove and fixedly connected with the brush handle through a connecting member.

[0016] On the other hand, a range hood is provided, comprising a range hood shell, a range hood oil screen and the above-mentioned oil screen cleaning assembly, the range hood oil screen is installed in the range hood shell, and the oil screen cleaning assembly can brush and sweep the range hood oil screen.

[0017] The beneficial effects of the present application are as follows:

[0018] The oil screen cleaning assembly of the present application comprises a guide mechanism and a brush body, the brush body is connected with a sliding member, and an oil discharge groove is arranged at the sliding connection between the sliding member and the guide member; when the brush body and the sliding member move, the oil stains adhered to the guide member can be discharged through the oil discharge groove, ensuring smooth movement between the sliding member and the guide member without stagnation, reducing the phenomenon that the brush body cannot move due to oil stains sticking, the overall structure of the oil screen cleaning assembly is simple, the number of components is small, which is beneficial to reduce production cost and facilitate later maintenance and cleaning.

[0019] The range hood of the present application comprises a range hood shell, a range hood oil screen and the above-mentioned oil screen cleaning assembly, the overall structure of the range hood is simple and compact, the oil screen cleaning assembly can reliably and stably brush and sweep the range hood oil screen, preventing the range hood oil screen from being blocked. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the oil screen cleaning assembly according to an embodiment of the present application;

[0021] Figure 2 is a structural schematic view of the sliding member according to an embodiment of the present application;

[0022] Figure 3 is a structural front view of the sliding member according to an embodiment of the present application;

[0023] Figure 4 is a structural schematic diagram of the driving mechanism according to an embodiment of the present application;

[0024] Figure 5 is a partial enlarged schematic diagram at A in Figure 1

[0025] Figure 6 is a structural schematic diagram of the tensioning mechanism according to an embodiment of the present application;

[0026] Figure 7 is a structural exploded schematic diagram of the tensioning mechanism according to an embodiment of the present application;

[0027] Figure 8 is a structural schematic diagram of the brush body according to an embodiment of the present application;

[0028] Figure 9 is a structural exploded schematic diagram of the brush body according to an embodiment of the present application;

[0029] Figure 10 is a structural schematic diagram of the range hood according to an embodiment of the present application.

[0030] in the figure:

[0031] 1, guiding mechanism; 11, sliding member; 111, oil discharge groove; 112, protrusion; 113, tip; 114, retainer groove; 12, guiding member; 13, retainer;

[0032] 2, brush body; 21, brush head; 22, brush handle; 221, mounting groove; 23, connecting member;

[0033] 3, driving mechanism; 31, power source; 32, driving wheel; 33, driven wheel; 34, transmission belt; 35, pressing plate;

[0034] 4, tensioning mechanism; 41, support seat; 42, support shaft; 421, first abutting surface; 422, second abutting surface; 43, elastic member; 44, first threaded member; 45, positioning member; 46, adapter; 47, second threaded member;

[0035] 100, range hood shell; 101, range hood oil screen. DETAILED DESCRIPTION

[0036] ​Embodiments of the present application are described below by way of example with reference to the accompanying drawings, in which like or similar elements are designated with the same reference numerals, and the embodiments described below are illustrative of the present application and are not to be construed as limiting the present application.

[0037] In the description of the present application, unless specifically defined and limited otherwise, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, but also can be detachable connection, can be mechanical connection, but also can be electrical connection, can be directly connected, but also indirectly connected through the intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the description of the present application, unless specifically defined and limited otherwise, the first feature "on" or "under" the second feature can include that the first feature and the second feature are in direct contact, or the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the present embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only used to distinguish in description and have no special meaning.

[0040] The technical solutions of the present application are further illustrated below by specific embodiments in conjunction with the drawings.

[0041] The present application provides an oil screen cleaning assembly, which comprises a guide mechanism 1 and a brush body 2, as shown in Figure 1 , in combination with Figure 10 . The guide mechanism 1 is installed in the smoke machine shell 100, which comprises a sliding piece 11 and a guide piece 12 connected by sliding, the brush body 2 is connected with the sliding piece 11 and can move along the guide piece 12 to brush the oil screen 101 of the smoke machine. In the present embodiment, at least one oil discharge groove 111 is arranged at the sliding connection between the sliding piece 11 and the guide piece 12, as shown in Figure 2As shown, the oil drain groove 111 extends along the sliding direction and penetrates the sliding member 11. When the sliding member 11 moves along the guide member 12, the oil dirt or oil stain deposited on the guide member 12 for a long time can be drained through the oil drain groove 111, ensuring smooth movement of the sliding member 11 along the guide member 12 without obstruction. The excessive deposition of oil dirt will not cause the sliding member 11 to be locked with the guide member 12, ensuring normal use of the brush body 2.

[0042] It is worth noting that the sliding member 11 in the embodiment is preferably a sliding bearing, and the guide member 12 is preferably a slide post. The sliding bearing is in sliding connection with the slide post, and a plurality of oil drain grooves 111 are formed on the inner wall of the sliding bearing. In addition to the mode shown in the drawings of the embodiment, the sliding member 11 can also be a sliding block, and the guide member 12 corresponds to a slide rail. A plurality of oil drain grooves 111 are formed on the sliding connection surface of the sliding block and the slide rail, which can also play the above-mentioned role. The sliding member 11 and the guide member 12 of any structure fall within the protection scope of the present application, and the specific structure of the sliding member 11 and the guide member 12 will not be enumerated one by one in the embodiment. In addition, in the embodiment, in order to ensure the stable movement of the brush body 2, the sliding member 11 and the guide member 12 are correspondingly provided in two groups. The specific number of the sliding member 11 and the guide member 12 is selected according to the needs, including but not limited to the number shown in the embodiment.

[0043] Optionally, as shown in Figure 2 and Figure 3 , the oil drain groove 111 is provided with a plurality of protrusions 112 formed between adjacent two oil drain grooves 111, and a sharp end 113 is formed at both ends of the protrusion 112 along the sliding direction of the sliding member 11. It can be understood that the sharp end 113 structure is formed by beveling both ends of the protrusion 112 in the embodiment. The oil stain on the surface of the guide member 12 is broken by the sharp end 113 and then drained through the oil drain groove 111, ensuring smooth sliding between the sliding member 11 and the guide member 12, and preventing the sliding member 11 from being stuck by the oil stain deposited on the surface of the guide rail.

[0044] Further, in the embodiment, in order to facilitate the movement of the brush body 2, the oil screen cleaning assembly further comprises a driving mechanism 3, which can drive the brush body 2 to move along the guide member 12. The user does not need to manually push the brush body 2, and the electric control driving is convenient for the user to use.

[0045] Specifically, as shown in Figure 4 and Figure 5As shown, the embodiment preferably adopts a driving mode mainly with a conveying belt to realize automatic cleaning of the oil screen 101 of the range hood, and the driving mechanism 3 specifically comprises a power source 31, a driving wheel 32, a driven wheel 33 and a conveying belt 34, the brush body 2 is connected with the conveying belt 34 through a pressing plate 35, the output end of the power source 31 is connected with the driving wheel 32, and the conveying belt 34 is in transmission connection with the driving wheel 32 and the driven wheel 33. The power source 31 can be specifically a speed reducer, the overall layout of the driving mechanism 3 is compact, occupies less space and has low cost. In addition, the driving mechanism 3 can also be selected as other linear output mechanisms such as a push rod, a hydraulic rod, a gear and a rack, including but not limited to the embodiment.

[0046] Optionally, the oil screen cleaning assembly in the embodiment further comprises a tensioning mechanism 4, which is used to adjust the tensioning force of the conveying belt 34 to prevent the conveying belt 34 from relaxing after long-term use and affecting the transmission effect and transmission stability. Specifically, as shown in Figure 6 and Figure 7 The tensioning mechanism 4 comprises a support seat 41, a support shaft 42, an elastic member 43 and a first threaded member 44, the support seat 41 is fixedly connected with the range hood shell 100, one end of the support shaft 42 passes through the support seat 41 and the elastic member 43 and is connected with the first threaded member 44, the elastic member 43 is extruded between the first threaded member 44 and the support seat 41, and the other end of the support shaft 42 is rotatably installed with the driven wheel 33. By rotating the support shaft 42, the driven wheel 33 is moved to adjust the distance between the driving wheel 32 and the driven wheel 33, so that the tensioning force of the conveying belt 34 is adjusted.

[0047] Optionally, in the embodiment, the guide piece 12 is connected between the two support seats 41 for the convenience of overall assembly and assembly, and in addition, the guide piece 12 can also be connected to the left and right side walls of the range hood shell 100 or other positions, including but not limited to the positions shown in the drawings of the embodiment.

[0048] Specifically, as shown in Figure 7 The tensioning mechanism 4 further comprises an adapter 46 and a second threaded member 47, the adapter 46 is preferably a shoulder screw, the driven wheel 33 is rotatably connected with the adapter 46, the adapter 46 passes through the support shaft 42 and is connected with the second threaded member 47 to assemble the driven wheel 33 on the support shaft 42, and the driven wheel 33 is detachably connected with the support shaft 42 to facilitate replacement and maintenance of the driven wheel 33.

[0049] Preferably, the tensioning mechanism 4 further comprises a positioning member 45, as shown in Figure 7As shown, the support shaft 42 is provided with a first abutting surface 421, one end of the positioning member 45 extends into the support seat 41 and abuts against the first abutting surface 421 after being screwed with the support seat 41, and after the support shaft 42 is adjusted to the position, the abutting of the positioning member 45 and the first abutting surface 421 can effectively prevent the support shaft 42 from rotating due to vibration and other factors, thereby driving the driven wheel 33 to deflect and malfunction. It can be understood that, in order to facilitate the assembly of the driven wheel 33, a second abutting surface 422 is arranged on the support shaft 42, and the first abutting surface 421 and the second abutting surface 422 are arranged at 90°, so that when the positioning member 45 abuts against the first abutting surface 421, the axial direction of the driven wheel 33 is always in the vertical direction.

[0050] Optionally, as shown in Figure 8 and Figure 9 The brush body 2 in the embodiment includes a brush head 21 and a brush handle 22 which are detachably connected. The brush handle 22 is in the shape of a pistol. The brush head 21 and the brush handle 22 are detachably connected, which facilitates the replacement and cleaning of the brush head 21. The brush handle 22 is connected with the sliding member 11. The brush head 21 is provided with brush filaments and faces the oil screen 101 of the range hood. The brush filaments are made of one of polyether sulfone (PPS), flame-retardant polyester (PET) and flame-retardant polyamide fiber (PA). The diameter of the brush filaments is preferably 0.2-0.4 mm, and the length is preferably 8-30 mm, which can ensure the processing cost and the cleaning effect of the brush filaments.

[0051] Optionally, as shown in Figure 9 The brush handle 22 in the embodiment is provided with a mounting groove 221. The brush head 21 is mounted in the mounting groove 221. Threaded holes are formed in the mounting groove 221 and the end of the brush head 21. The brush head 21 and the brush handle 22 are connected and fixed by the connecting member 23. The brush head 21 and the brush handle 22 can be quickly detached by rotating the connecting member 23, which facilitates the replacement and maintenance of the brush head 21.

[0052] Optionally, as shown in Figure 5 The sliding member 11 and the brush handle 22 are detachably connected by the check ring 13. The outer periphery of the sliding member 11 is provided with a check ring groove 114 (as shown in Figure 2 The check ring 13 is provided with two groups and is assembled with the check ring groove 114 to connect the brush handle 22 and the sliding member 11.

[0053] Furthermore, the embodiment also provides a range hood. As shown in Figure 10 The range hood includes a range hood shell 100, an oil screen 101 of the range hood and the above-mentioned oil screen cleaning assembly. The oil screen 101 of the range hood is mounted in the range hood shell 100. Preferably, the oil screen cleaning assembly is mounted on one side of the range hood shell 100 close to the wall hanging plate. The overall structure is simple and compact. The length of the brush body 2 matches the width of the oil screen 101 of the range hood, which can efficiently brush and clean the oil screen 101 of the range hood.

[0054] Optionally, the smoke machine further comprises a control module for controlling the operation of the oil screen cleaning assembly, and the control module is provided with a manual setting cleaning times and a cleaning assembly operation prompt, after the user presses the shutdown key, the control module starts the oil screen cleaning assembly to clean the oil screen 101 of the smoke machine, at this time the operation prompt lamp on the control module flashes, the oil screen cleaning assembly uses the high-temperature water vapor and heat remaining on the oil screen 101 of the smoke machine to clean and scrape the oil screen 101, after the oil screen cleaning assembly is cleaned and scraped to the set number of times, the brush body 2 is reset, the operation prompt lamp on the control module is extinguished, the cleaning of the oil screen 101 of the smoke machine is completed, and the oil screen 101 of the smoke machine is in a clean state when the smoke machine is used next time, thereby effectively reducing the risk of reduced smoke suction effect and fan abnormal sound caused by the blockage of the oil screen 101 of the smoke machine.

[0055] Obviously, the above-mentioned embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. An oil filter cleaning assembly, characterized in that, include: A guide mechanism (1) is installed inside the casing (100) of the range hood. The guide mechanism (1) includes a sliding member (11) and a guide member (12) that are slidably connected. A plurality of oil drain grooves (111) are provided at the sliding connection between the sliding member (11) and the guide member (12). The oil drain grooves (111) extend along the sliding direction and penetrate the sliding member (11). A protrusion (112) is formed between two adjacent oil drain grooves (111). The protrusions (112) have pointed tips (113) at both ends along the sliding direction of the sliding member (11). The brush body (2) is connected to the sliding member (11) and can move along the guide member (12) with the sliding member (11) to brush the oil screen (101) of the range hood.

2. The oil screen cleaning assembly according to claim 1, characterized in that, The oil cleaning assembly also includes a drive mechanism (3), which can drive the brush body (2) and the sliding member (11) to move along the guide member (12).

3. The oil screen cleaning assembly according to claim 2, characterized in that, The drive mechanism (3) includes a power source (31), a drive wheel (32), a driven wheel (33), and a conveyor belt (34). The brush body (2) is connected to the conveyor belt (34). The output end of the power source (31) is connected to the drive wheel (32). The conveyor belt (34) is connected to the drive wheel (32) and the driven wheel (33) in a transmission connection.

4. The oil screen cleaning assembly according to claim 3, characterized in that, The oil screen cleaning assembly also includes a tensioning mechanism (4), which includes a support base (41), a support shaft (42), an elastic element (43), and a first threaded element (44). The support base (41) is fixedly connected to the smoke machine housing (100). One end of the support shaft (42) passes through the support base (41) and the elastic element (43) and is connected to the first threaded element (44). The other end of the support shaft (42) is rotatably mounted with the driven wheel (33).

5. The oil screen cleaning assembly according to claim 4, characterized in that, The tensioning mechanism (4) further includes a positioning element (45), and a first abutting surface (421) is provided on the support shaft (42). One end of the positioning element (45) extends into the support seat (41) and abuts against the first abutting surface (421).

6. The oil screen cleaning assembly according to claim 4, characterized in that, The tensioning mechanism (4) further includes an adapter (46) and a second threaded component (47). The driven wheel (33) is rotatably mounted on the adapter (46), and the adapter (46) passes through the support shaft (42) and is connected to the second threaded component (47).

7. The oil screen cleaning assembly according to any one of claims 1-6, characterized in that, The brush body (2) includes a detachably connected brush head (21) and a brush handle (22), the brush handle (22) being connected to the sliding member (11), and the brush head (21) facing the range hood oil mesh (101).

8. The oil screen cleaning assembly according to claim 7, characterized in that, The brush handle (22) has an installation groove (221), and the brush head (21) is installed in the installation groove (221) and fixedly connected to the brush handle (22) by a connector (23).

9. A range hood, characterized in that, The device includes a range hood housing (100), a range hood oil filter (101), and an oil filter cleaning assembly as described in any one of claims 1-8. The range hood oil filter (101) is installed inside the range hood housing (100), and the oil filter cleaning assembly is capable of brushing the range hood oil filter (101).

Citation Information

Patent Citations

  • Smoke gathering assembly cleaning mechanism, smoke collecting device and range hood

    CN114278970A