Self-cleaning range hood

Abstract

The utility model relates to the technical field of range hoods, in particular to a self-cleaning range hood, which comprises a smoke collecting part, an air bellow part and an oil smoke separating and cleaning device, the smoke collecting part comprises a first smoke collecting shell assembly and a second smoke collecting shell assembly, the lower portion of the first smoke collecting shell assembly is connected with the second smoke collecting shell assembly in a turnover mode through a hinge mechanism, and the upper portion of the first smoke collecting shell assembly is detachably connected with the second smoke collecting shell assembly. An adsorption panel is constructed on the front side of the first smoke collecting shell assembly, the oil smoke separating and cleaning device is mounted on the inner side of the adsorption panel and is provided with two filter plate units which are arranged at intervals and correspond to the two outer layer oil filtering areas, and each filter plate unit comprises one or more layers of filter plates; the two cleaning units are at least provided with first scraping parts used for cleaning the air inlet side surface of each layer of filter plate; the driving mechanism is used for driving the two filter plate units to scrape at least the air inlet side surface of each layer of filter plate so as to realize automatic cleaning of oil-smoke separation.

Description

[0001] Citation of Prior Art

[0002] The present application claims priority to Chinese applications with application number 2024217120885, filing date 2024-07-19, and title "Oil fume separation cleaning device, component and range hood", and application number 2024118128836, filing date 2024-12-10, and title "Oil fume separation cleaning device, cleaning unit, filter plate unit cleaning assembly and range hood". TECHNICAL FIELD

[0003] The utility model relates to the technical field of range hood, specifically to a self-cleaning range hood. BACKGROUND

[0004] The oil fume separator is one of the key components of the range hood, which is used for separating cooking oil fume. It usually includes two or more blocking parts to separate the oil fume by multiple blocking. After the oil is separated, it will flow along the blocking part under the action of gravity and collect in the oil collecting mechanism. However, after a certain period of time and under different cooking environments, part of the oil will adhere to the blocking part of the oil fume separator. At this time, the user needs to disassemble and clean the oil fume separator from the range hood.

[0005] The prior patent CN210373595U of the present inventor discloses a cleaning device for oil fume purification system, which includes a cleaning structure installed on the range hood. The cleaning structure is composed of a lower purification combination structure, an upper purification combination structure, and a oil scraping structure. The oil scraping sheet is designed according to the shape of the purification device. When cleaning, the oil scraping sheet is pushed to push the oil to the oil cup to achieve cleaning. Although this cleaning scheme does not need to disassemble the oil fume separator, it is troublesome to manually push the oil scraping sheet. SUMMARY

[0006] The purpose of the present utility model is to overcome the shortcomings of the prior art and develop a self-cleaning range hood that can efficiently clean the oil fume separator, facilitate installation and maintenance, solve the problem of oil adhesion, and optimize the user's experience.

[0007] The technical solution adopted by the present patent is as follows:

[0008] The self-cleaning range hood comprises a smoke collecting part, a wind box part and an oil fume separating and cleaning device. The smoke collecting part comprises a first smoke collecting shell assembly and a second smoke shell assembly. The lower part of the first smoke collecting shell assembly is reversibly connected to the second smoke shell assembly through a hinged mechanism. The upper part of the first smoke collecting shell assembly is detachably connected to the second smoke shell assembly. The front side of the first smoke collecting shell assembly is provided with an adsorption panel. The adsorption panel is provided with two outer oil filtering areas arranged transversely. The wind box part is connected to the second smoke shell assembly and is provided with a fan assembly for generating adsorption airflow. The oil fume separating and cleaning device is installed inside the adsorption panel and comprises two filter plate units corresponding to the two outer oil filtering areas. Each filter plate unit comprises one or more filter plates. At least two cleaning units are provided for cleaning at least one side surface of each filter plate. A driving mechanism is provided for driving the two filter plate units to clean at least one side surface of each filter plate.

[0009] Compared with the prior art, the oil fume separating and cleaning device of the present application can be easily maintained after the upper part of the first smoke collecting shell assembly is detached and reversibly opened. The modular design facilitates installation and maintenance. The design of the two cleaning units can effectively clean the surface of the filter plate. The design of the driving mechanism enables the driver to drive the two cleaning units to work synchronously through the rigid transmission member, thereby achieving automatic scraping and cleaning of at least one side surface of each filter plate.

[0010] Further, the cleaning unit is provided with a second scraping part for cleaning the rear side surface of the outer oil filtering area.

[0011] Further, the control panel of the range hood is arranged on the front side of the upper part of the first smoke collecting shell assembly. The control panel is integrated in the first smoke collecting shell assembly, which simplifies the structure of the second smoke shell assembly and makes it easier to maintain the control panel. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a perspective view of the oil fume separating and cleaning device of the present application

[0013] Figure 2 is a perspective view of the oil fume separating and cleaning device of the present application from another angle

[0014] Figure 3 is Figure 2 is a perspective view along the symmetry axis

[0015] Figure 4 is a partial exploded view of the oil fume separating and cleaning device of the present application

[0016] Figure 5 is a perspective view of the oil fume separating and cleaning device of the present application from another position

[0017] Figure 6is a perspective view of the oil fume separating and cleaning device of the present application assembled in the panel member from another angle

[0018] Figure 7 is a perspective view of the oil fume separating and cleaning device of the present application assembled in the panel member from another angle

[0019] Figure 8 is an exploded view of the oil fume separating and cleaning device of the present application and in the panel member Figure 1

[0020] Figure 9 is an exploded view of the oil fume separating and cleaning device of the present application and in the panel member Figure 2

[0021] Figure 10 is a perspective view of the first fume collecting shell assembly and the oil fume separating and cleaning device

[0022] Figure 11 is a perspective view of the first fume collecting shell assembly and the oil fume separating and cleaning device from another angle

[0023] Figure 12 is a perspective view of the first fume collecting shell assembly and the oil fume separating and cleaning device

[0024] Figure 13 is a perspective view of the driving mechanism

[0025] Figure 14 is an exploded view of the driving mechanism

[0026] Figure 15 is a sectional view of the driving mechanism along the axis of symmetry

[0027] Figure 16 is a perspective view of the filter plate unit and the cleaning unit

[0028] Figure 17 is a perspective view of the filter plate unit and the cleaning unit from another angle

[0029] Figure 18 is a perspective view of the filter plate unit and the cleaning unit along the axis of the first connecting member

[0030] Figure 19 is an exploded view of the filter plate unit

[0031] Figure 20 is an exploded view of the filter plate unit from the rear side angle

[0032] Figure 21 is a perspective view of the cleaning unit

[0033] Figure 22 is a perspective view of the filter plate unit along the axis of the first connecting member

[0034] Figure 23 This is a 3D diagram of the cleaning unit from another angle.

[0035] Figure 24 This is a perspective schematic diagram of one embodiment of the smoke machine of this application.

[0036] Figure 25 This is a perspective view of an embodiment of the range hood of this application without an oil collection box.

[0037] Figure 26 This is a perspective view of the first smoke collection shell assembly of the smoke machine in the open state according to this application.

[0038] Figure 27 This is a three-dimensional schematic diagram of the oil collection box in the exploded state of one embodiment of the range hood of this application. Detailed Implementation

[0039] This application generally relates to an oil fume separation and cleaning device, a filter plate unit, a cleaning unit, a smoke collection part, and a range hood. In this application, "front side" and "rear side" generally refer to the side of the range hood where the airflow from the oil fume separation and cleaning device flows towards the panel, and the back side is the rear side. Of course, in a certain component, front and rear can be defined by specific orientations.

[0040] See Figures 1 to 5 , Figures 16 to 23 One embodiment of the oil fume separation and cleaning device a of this application includes two filter plate units 2, two cleaning units 3, and a drive mechanism 4. The two filter plate units 2 are arranged spaced apart, and each filter plate unit 2 includes a first filter plate 2.1 and a second filter plate 2.2. The two cleaning units 3 extend laterally and are movable to cooperate with the two filter plate units 2. Each cleaning unit 3 is equipped with at least a front scraping part 301 coupled to the air inlet side surface of each filter plate layer. The drive mechanism 4 includes a driver 4.1 and a rigid transmission member 4.2 connecting the two cleaning units 3 and the driver 4.1. The driver 4.1 is at least partially installed between the two filter plate units 2. The driver 4.1 drives the two filter plate units 2 to scrape at least the air inlet side surface of each filter plate layer to achieve automatic cleaning of the oil fume separation device. In other embodiments, the filter plate unit 2 may include only one filter plate or three or more filter plates, and the number of layers can be selected according to the cleaning effect requirements.

[0041] The oil fume separation and cleaning device a of the present application is provided with two filter plate units 2, each of which comprises one or more filter plates, and a driver 4.1 is at least partially mounted between the two filter plate units 2, which optimizes the space utilization and makes the overall structure more compact. The design of the two cleaning units 3 can effectively clean the surface of the filter plate. The design of the driving mechanism 4 enables the driver 4.1 to drive the two cleaning units 3 to work synchronously through the rigid transmission member 4.2, thereby achieving automatic scraping and cleaning of at least the air inlet side surface of each layer of filter plate. The modular design can facilitate the upgrading of the oil fume separation and cleaning device a and realize technical upgrading. The multi-layer design of the filter plate unit 2 can significantly enhance the oil fume separation effect, improve the filtering efficiency, and effectively block and filter particulate matter and oil in the oil fume. The cleaning unit 3 is equipped with a cleaning subunit (3.1, 3.2) corresponding to each layer of filter plate (2.1, 2.2), which can effectively ensure that the filter plate (2.1, 2.2) is fully cleaned.

[0042] Referring to Figures 1 to 4 , Figures 13 to 15 , the driver 4.1 can include a motor 4.11 and a screw nut mechanism 4.12, the nut member 4.121 of the screw nut mechanism 4.12 is connected with the rigid transmission member 4.2, and the screw rod 4.122 of the screw nut mechanism 4.12 is mounted between the two filter plate units 2 along the length direction. Due to the arrangement of the two filter plate units 2 of the present application, a compartment is formed between them, and the arrangement and installation position of the driver 4.1 make the product structure compact and the driving connection more reliable. Specifically, in one embodiment, the nut member 4.121 is fixedly connected with a nut connecting seat 4.121', and the rigid transmission member 4.2 is fixedly connected with the nut connecting seat 4.121', such as through screws or other existing known connecting structures.

[0043] In order to facilitate installation, the rigid transmission member 4.2 can be provided with a movable channel. Specifically, the driving mechanism 4 is provided with a driving base 4.13, the motor 4.11 is mounted on the upper part of the driving base 4.13, the screw rod 4.122 of the screw nut mechanism 4.12 is mounted along the length direction of the driving base 4.13, the driving base 4.13 is at least partially mounted between the two filter plate units 2, and the two ends of the driving base 4.13 are provided with driving mounting portions 4.14. The use of the screw nut mechanism 4.12 for driving integrates the motor 4.11 and the screw nut mechanism 4.12 in the driving base 4.13, which provides a movable space for the rigid transmission member 4.2 to ensure smooth movement therebetween. This design not only simplifies the structure and improves the space utilization, but also ensures the accuracy and reliability of the transmission.

[0044] The transmission between the motor 4.11 and the screw rod 4.122 can be through a worm gear engagement, and of course, other coupling modes can also be used, such as the motor output shaft being fixedly connected with the screw rod 4.122. In addition, other known connection modes can also be used to achieve transmission coupling.

[0045] Referring to Figures 1 to 5 , the rigid transmission member 4.2 is an integral structure, the middle part of which is in transmission coupling with the driver 4.1, and the two ends extend to the two sides of the filter plate unit 2, and the rigid transmission member 4.2 is arranged at the rear side of the two filter plate units 2.

[0046] One embodiment of the rigid transmission member 4.2 is formed by sheet metal processing, such as by bending the two long sides to increase the structural strength. Of course, in other embodiments, the rigid transmission member 4.2 can also be processed by using other existing processes, such as die casting, extrusion molding, etc., and the material can be steel, aluminum alloy, etc.

[0047] Referring to Figures 10 to 13 , the middle part of the rigid transmission member 4.2 is in transmission coupling with the driver 4.1, and the two ends extend to the two sides of the filter plate support 1, and the rigid transmission member 4.2 is arranged at the rear side of the two filter plate units 2, and the rigid transmission member 4.2 is provided with a guide mechanism 4.3 on the two sides of the filter plate support 1, which can be connected as described above. The guide mechanism 4.3 can ensure stable transmission and realize efficient synchronous operation of the two cleaning units 3. Transmission coupling refers to the connection of the middle part of the rigid transmission member 4.2 with the output part of the driver 4.1, so that the driver 4.1 can drive the rigid transmission member 4.2 to move when the driver 4.1 works. For example, when the driver 4.1 adopts a motor and a screw nut mechanism, the rigid transmission member 4.2 is directly or indirectly connected with the nut of the screw nut mechanism; when the driver 4.1 adopts a linear motor or the like, the rigid transmission member 4.2 is connected with the conveying end.

[0048] Referring to Figure 1 , Figure 4 and Figure 9 , the guide mechanism 4.3 includes one or more guide wheels 4.31 mounted at the two ends of the rigid transmission member 4.2, and guide rails 4.32 fixedly arranged on the side parts of the two filter plate units 2.

[0049] Referring to Figures 16 to 23In some embodiments, the filter plate unit 2 comprises a first filter plate 2.1 and a second filter plate 2.2, and a second cleaning subunit 3.2 is configured between the first filter plate 2.1 and the second filter plate 2.2, the second cleaning subunit 3.2 has a second back scraping part 302b to scrape the back side of the first filter plate 2.1, and of course the second cleaning subunit 3.2 can also be configured with a second front scraping part 301b to scrape the front side of the second filter plate 2.2. The front side of the first filter plate 2.1 can be configured with a first cleaning subunit 3.1, the first cleaning subunit 3.1 has a first front scraping part 301a to clean the front side of the first filter plate 2.1, and the first cleaning subunit 3.1 can also be configured with a first back scraping part 302a to clean the outer oil filtering area 6.10' of the cleaning and adsorbing panel 6.1' located in front of the first filter plate 2.1.

[0050] Referring to Figures 10 to 12 , and Figures 16 to 23 In some embodiments, the filter plate unit 2 comprises a first filter plate 2.1 and a second filter plate 2.2, and a second cleaning subunit 3.2 is configured between the first filter plate 2.1 and the second filter plate 2.2, the second cleaning subunit 3.2 has a second back scraping part 302b to scrape the back side of the first filter plate 2.1, and of course the second cleaning subunit 3.2 can also be configured with a second front scraping part 301b to scrape the front side of the second filter plate 2.2. The front side of the first filter plate 2.1 can be configured with a first cleaning subunit 3.1, the first cleaning subunit 3.1 has a first front scraping part 301a to clean the front side of the first filter plate 2.1, and the first cleaning subunit 3.1 can also be configured with a first back scraping part 302a to clean the outer oil filtering area 6.10' of the cleaning and adsorbing panel 6.1' located in front of the first filter plate 2.1.

[0051] In other embodiments of the oil fume separation and cleaning device a, the cleaning subunit (3.1, 3.2) can only clean either the front side or the back side of the filter plate (2.1, 2.2) adjacent to it. For example, the first cleaning subunit 3.1 can be configured to clean only the front side of the first filter plate 2.1 and the outer oil filtering area 6.10', and the second cleaning subunit 3.2 can be configured to clean only the front side of the second filter plate 2.2 and the back side of the first filter plate 2.1.

[0052] Referring to Figures 16 to 23, the filter plate (such as the first filter plate 2.1) between the two cleaning sub-units (the first cleaning sub-unit 3.1 and the second cleaning sub-unit 3.2) is configured with one or more first channels 2.10 avoiding the first connecting piece 3.3, which ensures the structural stability and facilitates the cleaning operation. The cleaning unit 3 is configured with one or more second connecting pieces 3.4 passing through one or more second channels 2.20 of the last side filter plate 2.2, and the rigid transmission member 4.2 is connected with the cleaning unit 3 through the second connecting piece 3.4, so that the rigid transmission member 4.2 can be firmly connected with the cleaning unit, realizing the combination of the transmission and cleaning functions.

[0053] Specifically, referring to Figures 16 to 23 , a specific embodiment of the filter plate unit 2 and the cleaning unit 3 of the present application is shown, the filter plate unit 2 includes two layers of filter plates, i.e. the first filter plate 2.1 and the second filter plate 2.2 arranged along the airflow direction, and each cleaning unit 3 includes the first cleaning sub-unit 3.1 and the second cleaning sub-unit 3.2 arranged at the front side of the first filter plate 2.1 and the second filter plate 2.2. The first cleaning sub-unit 3.1 is configured with the first front wiping part 301a for cleaning the front side of the first filter plate 2.1, and the second cleaning sub-unit 3.2 is configured with the second front wiping part 301b for cleaning the front side of the second filter plate 2.2.

[0054] The first cleaning sub-unit 3.1 and the second cleaning sub-unit 3.2 are connected through one or more first connecting pieces 3.3, and the first filter plate 2.1 between the first cleaning sub-unit 3.1 and the second cleaning sub-unit 3.2 is configured with one or more first channels 2.10 avoiding the first connecting piece 3.3. The cleaning unit 3 is configured with one or more second connecting pieces 3.4 passing through one or more second channels 2.20 of the last side second filter plate 2.2, and the rigid transmission member 4.2 is connected with the cleaning unit 3 through the second connecting piece 3.4.

[0055] Attached Figures 16 to 23 In the embodiment shown, the first cleaning sub-unit 3.1 and the second cleaning sub-unit 3.2 are connected through the first connecting piece 3.3, and the first filter plate 2.1 between the two first cleaning sub-units 3.1 and the second cleaning sub-unit 3.2 is configured with the first channel 2.10 avoiding the first connecting piece 3.3. The second filter plate 2.2 is configured with the second channel 2.20, the second cleaning sub-unit 3.2 is configured with the second connecting piece 3.4 passing through the second channel 2.20, and the rigid transmission member 4.2 is connected with the cleaning unit 3 through the second connecting piece 3.4.

[0056] Attached Figures 16 to 23In the shown embodiment, two groups of first connecting members 3.3 are arranged at intervals, and two first channels 2.10 are arranged correspondingly. The second filter plate 2.2 is configured with two second channels 2.20, and the second cleaning subunit 3.2 is configured with second connecting members 3.4 passing through the two second channels 2.20, and the rigid transmission member 4.2 is connected with the cleaning unit 3 through the second connecting members 3.4.

[0057] In other embodiments, the first connecting members 3.3 can be arranged in three or more groups, and the first channels 2.10 are correspondingly arranged in three or more groups, and the second filter plate 2.2 is configured with three or more second channels 2.20, and the second cleaning subunit 3.2 is configured with second connecting members 3.4 passing through the second channels 2.20. As the first connecting members 3.3 are arranged in three groups at intervals, the first cleaning subunit 3.1 and the second cleaning subunit 3.2 can be installed more stably. Correspondingly, the second channels 2.20 can be arranged in three groups, and the second connecting members 3.4 are correspondingly arranged in three groups.

[0058] As Figures 16 to 23 shown in the embodiment, the first connecting members 3.3 are bolt assemblies, and connecting holes are arranged on the two first cleaning subunits 3.1 and the second cleaning subunit 3.2 correspondingly to the first connecting members 3.3.

[0059] In other embodiments, the first connecting members 3.3 can be screws and nuts, wherein the nuts are installed on the first cleaning subunits 3.1, such as inlaid fixation or injection molding fixation, and corresponding connecting holes are arranged on the second cleaning subunit 3.2, and the screws pass through the second cleaning subunit 3.2 and the first channel 2.10 to be connected with the nuts, so as to connect the first cleaning subunit 3.1, the first filter plate 2.1 and the second cleaning subunit 3.2 into an assembly.

[0060] Of course, in other embodiments, the first connecting members 3.3 can also be double-headed bolts, and the two first cleaning subunits 3.1 and the second cleaning subunit 3.2 are both configured with nuts.

[0061] In order to ensure the cleaning effect, the first front wiping part 301a is in contact with the front side of the first filter plate 2.1, and similarly, the second front wiping part 301b is in contact with the front side of the second filter plate 2.2.

[0062] Referring to Figures 16 to 23 , the front wiping part 301 is flexible, which can ensure the cleaning effect and at the same time not damage the filter plate unit 2. Specifically, the first front wiping part 301a and the second front wiping part 301b are both flexible.

[0063] Referring to Figures 16 to 23The front scraping portion 301 is adapted to the shape of the surface being scraped. As shown in this embodiment, the second filter plate 2.2 is constructed with a plurality of arc-shaped blocking portions 2.21', and filter channels 2.2' of the second filter plate 2.2 are constructed between adjacent blocking portions. The filter channels 2.2' can be spaced out as shown in the attached figure (to increase structural strength) or they can be continuous. The second front scraping portion 301b is constructed with a plurality of arc-shaped protrusions adapted to its shape.

[0064] like Figures 16 to 23 In the embodiment shown, the main body (i.e. the filtration part) of the first filter plate 2.1 is a planar structure, and the filter channel 2.1' of the first filter plate 2.1 is a series of holes arranged at intervals, such as a circle. Of course, in other embodiments, it can also be other shapes, such as square, strip, etc. The side of the filter channel 2.1' is a planar blocking part 2.11'.

[0065] It should be noted that the main body of the first filter plate 2.1 can also be of other shapes, such as the second filter plate 2.2 being designed into an arc-shaped structure; of course, it can also be other existing and known suitable structures.

[0066] The first filter plate 2.1 may have a bent portion 2.11 designed on at least one opposite edge. The bent portion 2.11 is joined to the air inlet side of the second filter plate 2.2. The bent portion 2.11 can improve the structural strength of the first filter plate 2.1 and at the same time maintain a certain distance between the main body (i.e. the filtration part) of the first filter plate 2.1 and the air inlet side of the second filter plate 2.2.

[0067] It should be emphasized that the filter channel 2.1' of the first filter plate 2.1 and the filter channel 2.2' of the second filter plate 2.2 are staggered. That is, the filter channel 2.1' corresponds to the arc-shaped blocking part 2.21' of the second filter plate 2.2, and the blocking part 2.11' corresponds to the filter port 2.2'. This can block the oil fumes multiple times and improve the separation effect.

[0068] The first filter plate 2.1 of this application is preferably made of cold plate, that is, the plate is processed at room temperature, including hole processing, such as laser cutting, which has high precision, low cost and small deformation. Of course, punching can also be used in other embodiments; the bending part 2.11 is processed, such as by bending process.

[0069] In one embodiment, the second filter plate 2.2 is die-cast.

[0070] In other embodiments, the second filter plate 2.2 may also be made of cold plate. For ease of manufacturing, the main body (i.e. the filter part) may be a planar structure.

[0071] See 16 to Figure 22In the shown embodiment, the front side of the first cleaning subunit 3.1 is configured with a first rear wiping part 302a for cleaning the rear side of the at least outer oil filtering area 6.10' of the adsorption panel 6.1', and the front side of the second cleaning subunit 3.2 is configured with a second rear wiping part 302b for cleaning the rear side of the first filter panel 2.1. The rear wiping part 302 is flexible, which can ensure the cleaning effect. The above-mentioned scheme can have a more comprehensive cleaning of the oil accumulation on the rear side surface of the corresponding filter panel.

[0072] The adsorption panel (6.1') is generally the panel that is located on the front side of the filter panel unit 2 and inhales cooking fume, i.e., the panel that is directly observed by the user.

[0073] In other embodiments, the filter panel unit 2 can further include more than three filter panels, and the cleaning unit 3 is configured with more than three cleaning subunits and arranged on the air inlet side of each filter panel, and the adjacent cleaning subunits are connected by one or more first connecting parts 3.3.

[0074] In other embodiments, the filter panel unit 2 only includes one layer, i.e., the filter panel unit 2 cooperates with the outer oil filtering area 6.10' to implement oil fume filtering.

[0075] Referring to Figures 6 to 12 , an embodiment of the oil fume separation and cleaning component is described, which includes two transversely arranged outer oil filtering areas 6.10' and an oil fume separation and cleaning device a, the outer oil filtering area 6.10' is configured in the adsorption panel 6.1', and a partition 6.11' is configured between the two outer oil filtering areas 6.10'; the driver 4.1 of the outer oil filtering area 6.10' is at least partially installed on the rear side of the partition 6.11'; the driver 4.1 drives the two filter panel units 2 to scrape at least one side surface of each filter panel and the outer oil filtering area 6.10' to realize automatic cleaning of the oil fume separation component. The filter channel of the outer oil filtering area 6.10' can be a grid-shaped strip hole as shown in the drawing, or other shapes such as a circular hole, a square hole, etc.

[0076] In the preferred embodiment, the driver 4.1 drives the two filter panel units 2 to scrape at least the air inlet side surface of each filter panel, and at least the rear side surface of the outer oil filtering area 6.10'.

[0077] Specifically in Figures 6 to 12 , Figures 16 to 23In the shown embodiment, the filter plate unit 2 comprises two layers of filter plates, i.e. a first filter plate 2.1 and a second filter plate 2.2, and each cleaning unit 3 comprises a first cleaning subunit 3.1 and a second cleaning subunit 3.2 arranged in front of the first filter plate 2.1 and the second filter plate 2.2; the first cleaning subunit 3.1 is provided with a first front wiping part 301a for cleaning the front side of the first filter plate 2.1, the second cleaning subunit 3.2 is provided with a second front wiping part 301b for cleaning the front side of the second filter plate 2.2, the front side of the first cleaning subunit 3.1 is configured with a first rear wiping part 302a for cleaning the rear side of the outer filter area 6.10' of the suction panel 6.1', and the front side of the second cleaning subunit 3.2 is configured with a second rear wiping part 302b for cleaning the rear side of the first filter plate 2.1. The rear wiping part 302 is flexible, which can ensure the cleaning effect. The above-mentioned scheme can more comprehensively clean the oil accumulation on the rear side surface of the corresponding filter panel.

[0078] Other specific features of the filter plate unit 2 and the cleaning unit 3 can be referred to the specific description of the previous embodiments.

[0079] Referring to Figures 21 to 23 The upper side edge and the lower edge of the front side and the rear side of the first cleaning subunit 3.1 and the second cleaning subunit 3.2 are provided with the rear wiping part 302 and the front wiping part 301, which can make the cleaning unit 3 scrape the oil accumulation when reciprocating.

[0080] Referring to Figures 21 to 23 In an embodiment, the first cleaning subunit 3.1 and the second cleaning subunit 3.2 are made of flexible materials, such as silica gel. Of course, the flexible materials can also use other known materials, including but not limited to polytetrafluoroethylene (PTFE), fluorosilicone rubber, etc.

[0081] In some embodiments, the first cleaning subunit 3.1 and the second cleaning subunit 3.2 are respectively provided with a first retaining strip 3.11 and a second retaining strip 3.21, which can be made of metal strips. The above-mentioned scheme can improve the rigidity of the first cleaning subunit 3.1 and the second cleaning subunit 3.2. The metal strip can be made of steel sheet or other existing materials that meet the rigidity and have a certain flexibility.

[0082] The cleaning subunit 3 can be integrally formed by injection molding, and the retaining strip can be positioned in the mold first and then injection molded. As described in the previous embodiment, the first retaining strip 3.11 and the second retaining strip 3.21 can be respectively installed in the mold of the first cleaning subunit 3.1 and the second cleaning subunit 3.2, and then injection molded.

[0083] Referring to Figures 6 to 12, shows the assembled state diagram of the first smoke collecting shell assembly 6.1 (or part) of the smoke collecting part 6 and the oil fume separating and cleaning device a, the first smoke collecting shell assembly 6.1 includes a panel shell piece 6.11 configured as the front side shell of the first smoke collecting shell assembly 6.1 and a first smoke collecting shell side wall shell piece 6.12 configured at the edge of the panel shell piece 6.11, the adsorption panel 6.1' is formed at the front side of the panel shell piece 6.11, and the first smoke collecting shell assembly 6.1 can be formed by stamping and or bending of hardware. Of course, it can also be manufactured in parts and then connected, such as the panel shell piece 6.11 and the first smoke collecting shell side wall shell piece 6.12 are manufactured separately and then welded together.

[0084] In an embodiment, the adsorption panel 6.1' is preferably processed by cold plate processing, including hole processing such as laser cutting, which has high precision, low cost and small deformation. Of course, in other embodiments, it can also be punched.

[0085] In an embodiment, the panel shell piece 6.11 is formed by stamping of hardware, and the filter channel of the outer oil filtering area 6.10' is processed by laser cutting or stamping.

[0086] In an embodiment, the panel shell piece 6.11 is a thin plate piece, and a separation connecting part 10 is installed on the inner side of the separation part 6.11', which can strengthen the adsorption panel 6.1'.

[0087] In an embodiment, the separation connecting part 10 is a sheet metal bending piece, which can be fixed on the inner side of the adsorption panel 6.1' by welding (such as spot welding), and of course it can also be connected by other known methods such as screws, riveting, etc. The two ends of the driving base 4.13 are installed on the outer side of the separation connecting part 10 through the driving mounting part 4.14, and of course the driving mounting part 4.14 can be connected with the separation connecting part 10, or it can be installed on the panel shell piece 6.11, which can be fixed by connecting pieces such as screws.

[0088] In an embodiment, the lower side of the two outer oil filtering areas 6.10' is provided with a bottom mounting piece 1.1, which can be constructed by welding, connecting pieces, riveting, etc., and the lower side of the filter plate unit 2 is installed on the bottom mounting piece 1.1. Specifically, the lower side of the filter plate unit 2 and the bottom mounting piece 1.1 can be fixed by positioning structure, such as configuring positioning protrusions on the lower side of the filter plate unit 2 and configuring positioning holes on the bottom mounting piece 1.1, and when the filter plate unit 2 is assembled, the positioning protrusions are inserted into the corresponding positioning holes.

[0089] The upper side of the filter plate unit 2 can be fixed by the upper mounting piece 1.3, such as the upper mounting piece 1.3 pressing a part of the upper side of the filter plate unit 2, and the upper mounting piece 1.3 is connected with the panel shell piece 6.11' by connecting pieces such as screws.

[0090] In one embodiment, the outer side of the two outer oil filtering areas 6.10' is configured with a side wall member 1.2, and a filter plate mounting area 100 is formed between the side wall member 1.2 and the partition connecting part 10 for mounting the filter plate unit 2.

[0091] Referring to Figure 8 and Figure 9 In other embodiments, the upper mounting part 1.3 is fixedly mounted with the panel shell part 6.11, such as by welding, connecting parts, riveting, etc. The filter plate unit 2 is configured with a filter plate upper connecting part 1.3' at the upper part, and the filter plate upper connecting part 1.3' is connected with the connecting hole of the upper mounting part 1.3 through connecting parts such as screws. In this way, after the filter plate unit 2 is mounted to the bottom mounting part 1.1, the upper part is directly fixed through connecting parts, which is convenient, fast, efficient in assembly, and convenient for subsequent maintenance.

[0092] On the other hand, the bottom mounting part 1.1, the upper mounting part 1.3, the side wall member 1.2, and the partition connecting part 10 have a reinforcing effect on the panel shell part 6.11, and a thinner panel shell part 6.11 can be used for reinforcement. Specifically, the bottom mounting part 1.1, the upper mounting part 1.3, the side wall member 1.2, and the partition connecting part 10 can be fixedly connected with the panel shell part 6.11 by welding, and of course other known connecting methods can also be used.

[0093] Referring to Figures 1 to 12 It also includes a guide mechanism 4.3, which includes one or more guide wheels 4.31 mounted at both ends of the rigid transmission member 4.2, and guide rails 4.32 fixedly arranged on the sides of the two filter plate units 2.

[0094] Specifically, the guide mechanism 4.3 can include one or more guide wheels 4.31 mounted at both ends of the rigid transmission member 4.2, and guide rails 4.32 configured on both sides of the filter plate bracket 1. The cooperation structure of the guide wheels 4.31 and the guide rails 4.32 is simple and stable, and is not easy to jam, making the cleaning unit 3 move stably and reliably.

[0095] One solution of the guide rail 4.32 is a planar guide rail, and the guide wheel 4.31 cooperates with the planar guide rail.

[0096] One solution of the guide rail 4.32 is a planar guide rail formed on the side wall member 1.2, such as by sheet metal processing. Specifically, the side wall member 1.2 is processed into a U shape, and the bottom of the two side walls is a planar guide rail.

[0097] The guide wheel 4.31 can be connected to both ends of the rigid transmission member 4.2 through a guide wheel bracket 4.321. This structure is convenient to manufacture, install, and maintain.

[0098] In some embodiments, two pairs of guide wheels 4.31 are installed on each guide wheel support 4.321, which can increase the contact points between the rigid transmission member 4.2 and the filter plate support 1, and maintain the stability of the force when the cleaning unit 3 encounters a large amount of oil accumulation.

[0099] Of course, in some embodiments, the guide mechanism 4.3 can be a linear sliding guide rail mechanism, such as a slide rail installed on both sides of the filter plate support 1, and a sliding block installed on the outside of the filter plate unit 2.

[0100] Referring to Figures 21 to 23 In another aspect, the cleaning unit provided by the present application comprises one or more cleaning sub-units 3.1, 3.2, each cleaning sub-unit comprising a holding strip 3.11, 3.12 constructed of a first material, and a front scraping portion 301 fixed opposite to the holding strip 3.11, 3.12 and constructed of a second material, the front scraping portion 301 being used to couple with the air inlet side surface of each layer of filter plate 2.1, 2.2, wherein the hardness of the first material is greater than the hardness of the second material, and the hardness of the second material is less than the hardness of the filter plate 2.1, 2.2.

[0101] The above scheme can improve the rigidity of the cleaning sub-unit 3.1, 3.2, while having a certain flexibility, ensuring the fit of the one or more cleaning sub-units 3.1, 3.2 with the filter plate 2.1, 2.2, and ensuring the cleaning effect.

[0102] Each cleaning sub-unit 3.1, 3.2 further comprises a rear scraping portion 302 fixed opposite to the holding strip 3.11, 3.12 and constructed of a second material, the rear scraping portion 302 being used to couple with the rear side surface of each layer of filter plate 2.1, 2.2. The above scheme can clean both sides of each layer of filter plate 2.1, 2.2 at the same time, improving the cleaning effect.

[0103] The second material covers the holding strip 3.11, 3.12 and is integrally constructed with the front scraping portion 301 and the rear scraping portion 302.

[0104] The second material injection-molds the holding strip 3.11, 3.12. The second material can be, for example, silica gel or include but not limited to polytetrafluoroethylene (PTFE), fluorosilicone rubber, etc., and of course can be other known suitable plastics, resins, etc.

[0105] The holding strip 3.11, 3.12 is a metal sheet, such as a steel sheet, and of course can be other materials that meet the requirements.

[0106] The front scraping portion 301 and the rear scraping portion 302 extend along the length direction of the cleaning sub-unit 3.1, 3.2, which can ensure the continuous fit of the cleaning sub-unit 3.1, 3.2 with the filter plate 2.1, 2.2, and ensure the cleaning effect.

[0107] The front wiping part 301 and the rear wiping part 302 are respectively configured on the upper edge and the lower edge of the same side of the cleaning sub-unit, and when the one or more cleaning sub-units 3.1, 3.2 move to clean, the same part can be wiped twice, further improving the cleaning effect.

[0108] As described in other embodiments of the present application, each cleaning unit 3 includes a first cleaning sub-unit 3.1 and a second cleaning sub-unit 3.2 configured on the front side of the first filter plate 2.1 and the second filter plate 2.2, and the first cleaning sub-unit 3.1 and the second cleaning sub-unit 3.2 are respectively configured with a first retaining strip 3.11 and a second retaining strip 3.21.

[0109] Other features of the cleaning sub-units 3.1 and 3.2 can be referred to other embodiments of the present application.

[0110] Referring to Figures 1 to 27 , another aspect of the present application provides a self-cleaning range hood, comprising: a smoke collecting part 6, an oil fume separating and cleaning device, and an oil collecting box 8; the smoke collecting part 6 is configured with an adsorption panel 6.1', and the adsorption panel 6.1' is configured with two outer oil filtering areas 6.10' arranged transversely. The oil fume separating and cleaning device is installed on the inner side of the adsorption panel 6.1', and two filter plate units 2 are respectively installed on the inner side of the corresponding outer oil filtering area 6.10'; the cleaning unit 3 is configured with a second wiping part 302 configured on the rear side surface of the outer oil filtering area 6.10'. The lower side of the filter plate unit 2 is configured with an oil collecting channel 20, and the lower side of the adsorption panel 6.1' is configured with a discharge channel 6.12' communicating with the oil collecting channel 20. The oil collecting box 8 is detachably assembled on the lower side of the smoke collecting part 6 and communicates with the discharge channel 6.12'. The oil collecting box 8 collects the oil separated and accumulated from the filter plate unit 2, and also collects the oil accumulated by the cleaning unit 3.

[0111] In one embodiment, the bottom of the smoke collecting part 6 is provided with a clamping groove 8.1, and the oil collecting box 8 is correspondingly provided with a clamping block 8.2, and the two are connected by insertion.

[0112] Referring to Figures 24 to 26In another aspect, the self-cleaning range hood provided by the present application comprises: a smoke collecting part 6, a wind box part 7 and an oil fume separation and cleaning device; the smoke collecting part 6 comprises a first smoke collecting shell assembly 6.1 and a second smoke shell assembly 6.2, the lower part of the first smoke collecting shell assembly 6.1 is reversibly connected to the second smoke shell assembly 6.2 through a hinge mechanism h, and the upper part of the first smoke collecting shell assembly 6.1 is detachably connected to the second smoke shell assembly 6.2; the front side of the first smoke collecting shell assembly 6.1 is provided with an adsorption panel 6.1', and the adsorption panel 6.1' is provided with two outer oil filter areas 6.10' arranged transversely; the wind box part 7 is connected to the second smoke shell assembly 6.2 and is provided with a fan assembly for generating an adsorption air flow; the oil fume separation and cleaning device is installed on the inner side of the adsorption panel 6.1', and two filter plate units 2 are respectively installed on the inner side of the corresponding outer oil filter areas 6.10'; a cleaning unit 3 is provided with a rear scraping part 302 for cleaning the rear side surface of the outer oil filter area 6.10'. With the above scheme, the first smoke collecting shell assembly 6.1 can be opened by reversing and detaching the upper part, thereby facilitating the maintenance of the oil fume separation and cleaning device.

[0113] In other embodiments not shown, reference is made to the attached drawings Figures 1 to 27 It is understood that the self-cleaning range hood is characterized in that it comprises: a smoke collecting part 6, a wind box part 7 and an oil fume separation and cleaning device, the smoke collecting part 6 comprises a first smoke collecting shell assembly 6.1 and a second smoke shell assembly 6.2, the lower part of the first smoke collecting shell assembly 6.1 is reversibly connected to the second smoke shell assembly 6.2 through a hinge mechanism h, and the upper part of the first smoke collecting shell assembly 6.1 is detachably connected to the second smoke shell assembly 6.2; the front side of the first smoke collecting shell assembly 6.1 is provided with an adsorption panel 6.1', and the adsorption panel 6.1' is provided with an outer oil filter area 6.10'; the wind box part 7 is connected to the second smoke shell assembly 6.2 and is provided with a fan assembly for generating an adsorption air flow; the oil fume separation and cleaning device is installed on the inner side of the adsorption panel 6.1' and comprises: a filter plate unit 2 corresponding to the outer oil filter area 6.10', the filter plate unit 2 comprises one or more layers of filter plates 2.1, 2.2; a cleaning unit 3 provided with at least a first scraping part 301 for cleaning the air inlet side surface of each layer of filter plates; and a driving mechanism 4 for driving the cleaning unit 3 to scrape at least the air inlet side surface of each layer of filter plates to achieve automatic cleaning of the oil fume separation.

[0114] The hinge mechanism h can be other known hinges in addition to the hinge Figure 26 scheme shown, including but not limited to pin shaft connection.

[0115] The control panel e1 of the range hood is provided on the front side of the upper part of the first smoke collecting shell assembly 6.1. The control panel e1 is integrated in the first smoke collecting shell assembly 6.1, which simplifies the structure of the second smoke shell assembly 6.2 and makes it easier to maintain the control panel e1.

[0116] The wiring port 4.15 of the driver 4.1 is electrically connected with the control circuit (not shown) of the range hood, and the control circuit is configured with a program for controlling the driver 4.1.

[0117] In other embodiments, the cleaning unit 3 is further configured with a cleaning subunit for cleaning the outer surface of the adsorption panel 6.1', and the cleaning subunit is provided with a scraping part for cleaning the outer surface of the adsorption panel 6.1'.

[0118] Of course, the cleaning subunit can be connected with the first cleaning subunit 3.1 through a third connecting piece, and the adsorption panel 6.1' is constructed with a third channel for avoiding the third connecting piece. By using the above scheme, the separation system can be more comprehensively cleaned.

[0119] The control panel e1 of the range hood is constructed on the front side of the upper part of the first smoke collecting shell assembly 6.1. The control panel e1 is integrated in the first smoke collecting shell assembly 6.1, which simplifies the structure of the second smoke shell assembly 6.2 and makes it easier to maintain the control panel e1.

[0120] The wiring port 4.15 of the driver 4.1 is electrically connected with the control circuit (not shown) of the range hood, and the control circuit is configured with a program for controlling the driver 4.1.

[0121] Each of the above-described embodiments can include any of the features, options and possibilities set forth in the present disclosure and can also include any combination of any of the features, options and possibilities set forth in the present disclosure and the accompanying drawings.

[0122] According to the disclosure and teaching of the above description, those skilled in the art of the present application can also make changes and modifications to the above embodiments, and the present application is not limited to the specific embodiments disclosed and described above. Some modifications and changes of the present application should also fall within the protection scope of the claims of the present application.

Claims

1. A self-cleaning range hood characterized in that, It comprises: The smoke collecting part (6) comprises a first smoke collecting shell assembly (6.1) and a second smoke shell assembly (6.2), the lower part of the first smoke collecting shell assembly (6.1) is reversibly connected with the second smoke shell assembly (6.2) through a hinge mechanism, and the upper part of the first smoke collecting shell assembly (6.1) is detachably connected with the second smoke shell assembly (6.2); the front side of the first smoke collecting shell assembly (6.1) is provided with an adsorption panel (6.1'), and the adsorption panel (6.1') is provided with two outer oil filtering areas (6.10') arranged transversely; The wind box part (7) is connected with the second smoke shell assembly (6.2) and is provided with a fan assembly for generating an adsorption air flow; The oil fume separating and cleaning device is installed on the inner side of the adsorption panel (6.1') and comprises two filter plate units (2) corresponding to the two outer oil filtering areas (6.10'), each filter plate unit (2) comprises one or more filter plates (2.1, 2.2); at least two cleaning units (3) are provided, each of which comprises a first scraping part (301) for cleaning at least one side surface of each layer of filter plates; and a driving mechanism (4) for driving the two filter plate units (2) to scrape at least one side surface of each layer of filter plates to realize automatic cleaning of oil fume separation.

2. The self-cleaning range hood according to claim 1, characterized in that, The cleaning unit (3) is provided with a second scraping part (302) for cleaning the rear side surface of the outer oil filtering area (6.10').

3. The self-cleaning range hood according to claim 1, characterized in that, The control panel (e1) of the smoke machine is arranged on the front side of the upper part of the first smoke collecting shell assembly (6.1).

4. The self-cleaning range hood of claim 1, wherein, The lower side of the filter plate unit (2) is provided with an oil collecting channel (20), the lower side of the adsorption panel (6.1') is provided with a discharge channel (6.12') communicating with the oil collecting channel (20); and the oil collecting box (8) is detachably assembled on the lower side of the smoke collecting part (6) and communicates with the discharge channel (6.12').

5. The self-cleaning range hood of claim 1, wherein, It comprises: The driving mechanism (4) comprises a driver (4.1) and a rigid transmission member (4.2) connected with the two cleaning units (3) and the driver (4.1), and the driver (4.1) is at least partially installed between the two outer oil filtering areas (6.10').

6. The self-cleaning range hood of claim 1, wherein, The middle part of the rigid transmission member (4.2) is drivingly coupled with the driver (4.1), and the two ends thereof extend to the two sides of the two filter plate units (2), the rigid transmission member (4.2) is arranged on the rear side of the two filter plate units (2), and the rigid transmission member (4.2) is provided with a guide mechanism (4.3) on the two sides of the two filter plate units (2).

7. The self-cleaning range hood of claim 2, wherein, The guide mechanism (4.3) comprises one or more guide wheels (4.31) installed on the two ends of the rigid transmission member (4.2) and guide rails (4.32) fixedly arranged on the side parts of the two filter plate units (2).

8. The self-cleaning range hood of claim 1, wherein, The driver (4.1) comprises a motor (4.11), a screw nut mechanism (4.12) and a driving base (4.13), the motor (4.11) is installed on the upper part of the driving base (4.13), the screw rod of the screw nut mechanism (4.12) is installed along the length direction of the driving base (4.13), and the nut of the screw nut mechanism (4.12) is connected with the rigid transmission member (4.2).

9. The self-cleaning range hood of claim 1, wherein, Each filter plate unit (2) comprises two or more filter plates (2.1, 2.2), each cleaning unit (3) comprises a cleaning sub-unit (3.1, 3.2) arranged in front of each filter plate (2.1, 2.2), the cleaning sub-units (3.1, 3.2) are connected by one or more first connecting members (3.3), the filter plate (2.1) between the two cleaning sub-units (3.1, 3.2) is configured with one or more first channels (2.10) avoiding the first connecting members (3.3), the cleaning unit (3) is configured with one or more second connecting members (3.4) passing through one or more second channels (2.20) of the last filter plate (2.2), the rigid transmission member (4.2) is connected with the cleaning unit (3) through the second connecting members (3.4).

10. A self-cleaning range hood characterized by, It comprises: A smoke collecting part (6) comprising a first smoke collecting shell assembly (6.1) and a second smoke shell assembly (6.2), the lower part of the first smoke collecting shell assembly (6.1) is reversibly connected with the second smoke shell assembly (6.2) through a hinge mechanism, the upper part of the first smoke collecting shell assembly (6.1) is detachably connected with the second smoke shell assembly (6.2); the front side of the first smoke collecting shell assembly (6.1) is configured with an adsorption panel (6.1'), the adsorption panel (6.1') is configured with an outer oil filtering area (6.10'); A bellows part (7) connected with the second smoke shell assembly (6.2) and configured with a fan assembly for generating an adsorption airflow; An oil fume separation and cleaning device installed inside the adsorption panel (6.1') and comprising: a filter plate unit (2) corresponding to the outer oil filtering area (6.10'), the filter plate unit (2) comprises one or more filter plates (2.1, 2.2); at least one cleaning unit (3) configured with a first scraping part (301) for cleaning at least one side surface of each filter plate; a driving mechanism (4) for driving the cleaning unit (3) to scrape at least one side surface of each filter plate to realize automatic cleaning of oil fume separation.

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