Cleaning device for range hood and range hood

Abstract

The utility model relates to a range hood cleaning device and a range hood, the range hood cleaning device comprises two cleaning parts, namely a first cleaning part and a second cleaning part, the first cleaning part and the second cleaning part extend along the length direction of a smoke barrier and can be restrained on the back surface of the smoke barrier in a front-back translation mode, and the first cleaning part and the second cleaning part are arranged on the back surface of the smoke barrier. The first cleaning part is configured to be in contact with the back wall surface of the smoke barrier all the time during translation, and the second cleaning part is configured to be in contact with the wall surface where the oil screen is located in the state that the smoke barrier closes the air inlet; and the driving mechanism is used for driving the first cleaning part and the second cleaning part to translate. The cleaning device has the advantages that the smoke barrier does not need to be disassembled, manual cleaning is not needed, automatic cleaning of the smoke barrier and automatic cleaning of the wall face where the oil screen is located can be achieved, time and labor are saved, and the use experience feeling of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil fume purification technical field especially, relates to a cleaning device for range hood and range hood. BACKGROUND

[0002] At present, the side suction type range hood usually has a smoke baffle with a certain rotation center and can be rotated to open a certain angle, which is used to open the air inlet on one hand and to control the smoke to make the oil fume rise smoothly into the smoke collecting chamber to achieve the purpose of not running smoke, thus bringing better kitchen experience to the user. However, due to the range hood in the prior art, the oil fume collides with the back of the smoke baffle, the oil screen and the wall surface where the oil screen is located when working, causing large-area oil stain residue pollution. At the same time, due to the long length of the smoke baffle and the maximum opening angle of the smoke baffle generally being about 30°, the user is extremely inconvenient when cleaning the oil stains, needs to stretch the arm into the inside of the smoke baffle for wiping, cannot observe whether the oil stains are cleaned completely, and the oil stains near the rotation center of the smoke baffle cannot be wiped due to space limitation.

[0003] To solve this technical problem, the Chinese utility model patent with the patent number ZL202220590733.5 (the authorized announcement number CN216924475U) discloses a range hood smoke baffle convenient to clean, which comprises a plate body arranged on the front side of the range hood, rotating members arranged between the two sides of the top end of the plate body and the range hood, a locking assembly arranged on the top end of the plate body corresponding to the rotating members, and the rotating members are detachably connected with the plate body through the locking assembly.

[0004] Although the plate body can be detached from the range hood by detaching the rotating members in the patent, thus completing the overall cleaning of the plate body, and after the cleaning of the plate body is completed, the rotating members and the plate body are connected, and then the locking assembly is locked; however, the above-mentioned patent has the following use limitations; the cleaning method of the smoke baffle in the patent is not intelligent, needs manual disassembly and manual cleaning, and needs manual rotation of the handle to drive the plate body to rotate on the range hood, thus being time-consuming and laborious, and the cleaning of the oil screen and the like in the range hood cannot be realized. Therefore, the existing technology needs to be further improved. UTILITY MODEL CONTENTS

[0005] The first technical problem to be solved by the utility model is to provide a cleaning device for range hood which can realize automatic cleaning of the smoke baffle and the oil screen and save time and labor for the existing technology.

[0006] The second technical problem to be solved by the utility model is to provide a range hood applying the above-mentioned cleaning device.

[0007] The utility model discloses a technical scheme that the first technical problem is solved, which is a cleaning device for an oil extractor hood, the oil extractor hood comprising a smoke collecting cover with an air inlet on the front side and a smoke baffle arranged in front of the air inlet, the smoke baffle being used to open or close the air inlet, an oil screen being arranged at the air inlet, characterized in that the cleaning device comprises:

[0008] two cleaning parts, namely a first cleaning part and a second cleaning part, both of which extend along the length direction of the smoke baffle and can be constrained on the back of the smoke baffle in a front-rear translation manner, the first cleaning part being configured to always contact the back wall of the smoke baffle during translation, and the second cleaning part being configured to contact the wall surface where the oil screen is located when the smoke baffle closes the air inlet; and

[0009] a driving mechanism for driving the first cleaning part and the second cleaning part to translate.

[0010] In order to realize the synchronous movement of the first cleaning part and the second cleaning part and facilitate the assembly of the first cleaning part and the second cleaning part, the back of the smoke baffle is constrained with a mounting plate, the first cleaning part and the second cleaning part are arranged on two opposite side walls of the mounting plate respectively, and the power output end of the driving mechanism is drivingly connected with the mounting plate for driving the mounting plate to translate and further drive the first cleaning part and the second cleaning part to translate.

[0011] In order to make the mounting plate move smoothly, two guide rails arranged side by side are further arranged on the smoke baffle, each guide rail extending along the front-rear direction of the smoke baffle, and the mounting plate is constrained on the guide rails.

[0012] Preferably, the driving mechanism is a crank slider mechanism, which comprises a crank, a driving member for driving the crank to rotate, and a connecting rod, the connecting rod being rotatably connected with the crank and the mounting plate respectively.

[0013] Preferably, the driving member is a worm gear reducer.

[0014] In order to further clean the smoke baffle, a spraying member is arranged in the smoke collecting cover, the spraying member having a nozzle capable of spraying liquid towards the back of the smoke baffle.

[0015] Preferably, the nozzle is rotatably connected to the spraying member in an angle-adjustable manner.

[0016] Preferably, the spraying member extends along the length direction of the smoke baffle, the nozzle is at least two, and is arranged on the spraying member at intervals.

[0017] In order to realize the automatic control cleaning device, the back surface of the smoke baffle is further provided with a sensor capable of detecting resistance in the translation process of the first cleaning part and the second cleaning part, the sensor, the driving mechanism and the spraying member are further electrically connected with a controller, and the controller is configured to control the driving mechanism and the spraying member to perform corresponding actions according to the detection structure of the sensor.

[0018] The technical scheme adopted by the utility model to solve the above-mentioned second technical problem is: a range hood, characterized in that: the cleaning device described above is applied.

[0019] In order to receive sewage and prevent sewage from flowing onto the table top, the bottom of the smoke collecting hood is provided with an oil cup, the smoke collecting hood is provided with a sewage cup capable of communicating with the oil cup, the front end of the sewage cup is arranged on the front side of the smoke baffle, and the sewage cup further has an inclined portion gradually inclined downward from front to back.

[0020] Compared with the prior art, the utility model has the advantages that: by arranging the first cleaning part and the second cleaning part, the first cleaning part and the second cleaning part are both extended along the length direction of the smoke baffle and are both constrained on the back surface of the smoke baffle in the form of translation, in addition, in the state that the smoke baffle closes the air inlet, the first cleaning part can be in contact with the back wall of the smoke baffle during translation, and the second cleaning part can be in contact with the wall surface where the oil screen is arranged, so that the cleaning device does not need to disassemble the smoke baffle and does not need manual cleaning, can realize automatic cleaning of the smoke baffle and automatic cleaning of the wall surface where the oil screen is arranged, saves time and effort, and improves the use experience of users. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the range hood in the utility model embodiment (omitting the smoke baffle);

[0022] Figure 2 It is a structural schematic view of the range hood in the utility model embodiment (omitting the fan);

[0023] Figure 3 It is a structural schematic view of the range hood in the utility model embodiment (omitting the smoke baffle); Figure 2

[0024] Figure 4 It is a structural schematic view of the cleaning device in the utility model embodiment;

[0025] Figure 5 It is an exploded view of Figure 4 DETAILED DESCRIPTION

[0026] The utility model will be further described in detail in combination with the embodiment of the drawings.

[0027] As Figures 1-3 ​​As shown, the range hood in the embodiment includes a hood 1 with an air inlet 10 at the front side, and a smoke baffle 2 arranged in front of the air inlet 10, the smoke baffle 2 is used to open or close the air inlet 10, and an oil screen 3 is arranged at the air inlet 10, an upper portion of the hood 1 is provided with a fan frame b in fluid communication with the hood 1, and a fan is arranged in the fan frame b, which is a prior art and will not be described here.

[0028] The range hood in the embodiment also includes a cleaning device, which includes two cleaning parts and a driving mechanism 5, the two cleaning parts are a first cleaning part 41 and a second cleaning part 42, both of which extend along the length direction of the smoke baffle 2 and are constrained to the back surface of the smoke baffle 2 in a front-rear translation manner, the first cleaning part 41 is configured to always contact the back wall surface of the smoke baffle 2 when translating, and the second cleaning part 42 is configured to contact the wall surface where the oil screen 3 is located when the smoke baffle 2 closes the air inlet 10; the driving mechanism 5 is used to drive the first cleaning part 41 and the second cleaning part 42 to translate. The first cleaning part 41 and the second cleaning part 42 in the embodiment are cleaning sponges; of course, cleaning parts with flexibility can also be used, such as flexible scrapers, etc.

[0029] As shown, Figure 5 the back surface of the smoke baffle 2 is constrained by a mounting plate 43, the first cleaning part 41 and the second cleaning part 42 are arranged on two opposite side walls of the mounting plate 43 respectively, and the power output end of the driving mechanism 5 is drivingly connected with the mounting plate 43 for driving the mounting plate 43 to translate, thereby driving the first cleaning part 41 and the second cleaning part 42 to translate. As shown, Figure 4 and Figure 5 two guide rails 44 are arranged side by side on the smoke baffle 2, each guide rail 44 extends along the front-rear direction of the smoke baffle 2, and the mounting plate 43 is constrained on the guide rail 44.

[0030] As shown, Figure 4 the driving mechanism 5 in the embodiment is a crank 51 slider mechanism, which includes the crank 51, a driving member 52 for driving the crank 51 to rotate, and a connecting rod 53 rotationally connected with the crank 51 and the mounting plate 43 respectively. The driving member 52 in the embodiment is a worm gear reducer. As shown, Figure 2 the driving member 52 in the embodiment is arranged in the fan frame b, and the driving member 52 is arranged in a housing c, part of the connecting rod 53 is exposed to the outside of the housing c and extends into the hood 1, and a long hole d extending along the guide rail 44 is arranged on the wall surface of the air inlet 10 of the hood 1.

[0031] To further improve the cleaning effect, a spray element 6 is provided inside the smoke hood 1. The spray element 6 has a nozzle 61 that can spray liquid toward the back of the smoke baffle 2. The nozzle 61 is rotatably connected to the spray element 6 in an adjustable manner. In this embodiment, the nozzle 61 can be adjusted in angle under the high pressure generated by the spraying action of the spray element 6. This technology is prior art and will not be described in detail here. Figure 2 , Figure 4 and Figure 5 As shown, the spray element 6 extends along the length of the smoke baffle 2, and there are at least two nozzles 61, which are spaced apart on the spray element 6.

[0032] like Figure 3 As shown, the bottom of the smoke hood 1 is provided with an oil cup 7, and a wastewater cup 8 that can communicate with the oil cup 7 is constrained on the smoke hood 1. The front end of the wastewater cup 8 is located on the front side of the smoke baffle 2, and the wastewater cup 8 also has an inclined part 81 that gradually slopes downward from front to back. The liquid sprayed by the nozzle 61 will leave wastewater after passing through the smoke baffle 2. The wastewater cup 8 can be used to collect the wastewater and automatically flow the wastewater into the oil cup 7 through the inclined part 81, thereby realizing the collection of wastewater.

[0033] Of course, the back of the smoke baffle 2 is also equipped with a sensor that can detect the resistance during the translation process of the first cleaning part 41 and the second cleaning part 42. The sensor, the drive mechanism 5, and the spray element 6 are also electrically connected to a controller, which is configured to control the drive mechanism 5 and the spray element 6 to perform corresponding actions according to the detection structure of the sensor. In this embodiment, the sensor is a torque sensor.

[0034] The working process of the cleaning device in this embodiment is as follows:

[0035] Step 1: When the range hood is not in operation, if there is a lot of grease buildup and cleaning is needed, the user can press the self-cleaning button or activate the cleaning device according to their usage habits. The drive unit 52 rotates, which drives the mounting plate 43 to reciprocate through the connecting rod 53, thereby making the first cleaning part 41 contact the back wall of the smoke baffle 2, while the second cleaning part 42 contacts the wall where the oil filter 3 is located. At the same time, the spray unit 6 is activated, causing the nozzle to spray cleaning liquid towards the back of the smoke baffle.

[0036] Step 2: The nozzle sprays out a fixed amount of cleaning fluid, and the drive unit 52 continues to operate for a first preset time.

[0037] Step 3: After a period of time, the nozzle sprays out a fixed amount of water, and the drive unit 52 continues to operate for a second preset time to achieve the purpose of removing the cleaning fluid;

[0038] Step four: directly or indirectly detecting the resistance F of the first cleaning part and the second cleaning part in the process of translation, and judging whether F is less than or equal to 2 / 3 of the resistance threshold F0, if yes, entering step five, if no, repeating step two, step three and step four;

[0039] Step five: when the first cleaning part and the second cleaning part move to the top of the smoke baffle, the driving part 52 is powered off; standing for a third preset time, waiting for water flow to be clean, starting the fan in the range hood to accelerate the evaporation of the remaining moisture until dry, or inserting a heating device in the range hood, evaporating the remaining moisture by internal heating method, or opening the smoke baffle, applying the smoke stove linkage function in reverse, opening the stove to adjust the small fire, evaporating the moisture in the range hood to dry, so as to achieve the purpose of drying the range hood, avoiding the rust of components caused by long-time water storage in the range hood.

[0040] In the description and claims of the present application, terms used to indicate directions such as "front", "back", "up", "down", "left", "right", "side", "top", "bottom" and the like are used to describe various example structural parts and elements of the present application, but these terms are used only for the purpose of convenient description and are determined based on the example orientation shown in the drawings. Since the embodiments disclosed in the present application can be arranged in different directions, these terms indicating directions are only for illustration and should not be considered as limitation, for example, "up" and "down" are not necessarily limited to the direction opposite or consistent with the direction of gravity.

Claims

1. Cleaning device for a hood, comprising a hood casing (1) having an air inlet (10) on the front side and a baffle (2) arranged in front of the air inlet (10) for opening or closing the air inlet (10), an oil filter (3) being arranged at the air inlet (10), characterized in that The cleaning device comprises: two cleaning parts, namely a first cleaning part (41) and a second cleaning part (42), both extending along the length direction of the smoke baffle (2) and being constrained on the back surface of the smoke baffle (2) in a front-rear translation manner, the first cleaning part (41) being configured to always contact the back wall surface of the smoke baffle (2) during translation, and the second cleaning part (42) being configured to contact the wall surface on which the oil screen (3) is located when the smoke baffle (2) closes the air inlet (10); and a driving mechanism (5) for driving the first cleaning part (41) and the second cleaning part (42) to translate.

2. The cleaning device of claim 1, wherein: The back surface of the smoke baffle (2) is constrained with a mounting plate (43), the first cleaning part (41) and the second cleaning part (42) are respectively arranged on two opposite side walls of the mounting plate (43), and the power output end of the driving mechanism (5) is drivingly connected with the mounting plate (43) for driving the mounting plate (43) to translate and further drive the first cleaning part (41) and the second cleaning part (42) to translate.

3. The cleaning device of claim 2, wherein: The smoke baffle (2) is further provided with two parallelly arranged guide rails (44), each of which extends along the front-rear direction of the smoke baffle (2), and the mounting plate (43) is constrained on the guide rails (44).

4. A cleaning device according to claim 2 or 3, characterised in that: The driving mechanism (5) is a crank (51) slider mechanism, which comprises the crank (51), a driving member (52) for driving the crank (51) to rotate, and a connecting rod (53) rotationally connected with the crank (51) and the mounting plate (43).

5. The cleaning device of claim 4, wherein: The driving member (52) is a worm gear reducer.

6. The cleaning device according to any one of claims 1 to 3, characterized in that: The smoke collecting cover (1) is provided with a spraying member (6), and the spraying member (6) has a nozzle (61) capable of spraying liquid towards the back surface of the smoke baffle (2).

7. The cleaning device of claim 6, wherein: The nozzle (61) is rotationally connected to the spraying member (6) in an angle-adjustable manner.

8. The cleaning device of claim 7, wherein: The spraying member (6) extends along the length direction of the smoke baffle (2), the nozzle (61) is at least two and is arranged on the spraying member (6) in a spaced manner.

9. The cleaning device of claim 6, wherein: The back surface of the smoke baffle (2) is further provided with a sensor capable of detecting the resistance during translation of the first cleaning part (41) and the second cleaning part (42), the sensor, the driving mechanism (5) and the spraying member (6) are further electrically connected with a controller, and the controller is configured to control the driving mechanism (5) and the spraying member (6) to perform corresponding actions according to the detection structure of the sensor.

10. A range hood characterized by: The cleaning device of any one of claims 1-9 is applied.

11. The hood according to claim 10, characterized in that: The bottom of the smoke collecting cover (1) is provided with an oil cup (7), the smoke collecting cover (1) is constrained with a sewage cup (8) capable of communicating with the oil cup (7), the front end of the sewage cup (8) is arranged on the front side of the smoke baffle (2), and the sewage cup (8) further has an inclined portion (81) gradually inclined downward from front to back.

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