Filtering device for exhaust inlet of range hood

Abstract

The utility model belongs to the technical field of kitchen appliances, and particularly relates to a filter device of an exhaust inlet of a range hood, which comprises a casing and a dustproof groove, the dustproof groove is fixedly mounted on the front surface of the casing, a dustproof plate is slidably mounted in the dustproof groove, an air inlet is fixedly mounted on the front surface of the casing, and a filter screen is mounted in the air inlet. A filter plate is fixedly mounted on the back face of the air inlet, a sliding groove is fixedly formed in the lower portion of the filter plate, a sliding block is slidably mounted at the top of the sliding groove, and a cleaning rod is mounted at the top of the sliding block. According to the filtering device of the exhaust inlet of the range hood, after the dustproof plate slides in the dustproof groove to be opened, oil fume enters from the air inlet and is filtered after making contact with the filtering plate, the sliding block moves in the sliding groove so as to drive the cleaning rod to clean the surface of the filtering plate, the follow-up cleaning difficulty is lowered, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen appliance technical field, concretely is a kind of filter device of range hood suction port. BACKGROUND

[0002] Early family kitchen exhaust work is all completed by exhaust fan. Although exhaust fan can remove most of the oil smoke in the kitchen, it is powerless to solve the pollution of the entire kitchen by the oil smoke generated during cooking. The oil smoke generated during cooking contains many substances harmful to human body. If people work in a room full of oil smoke for a long time, many diseases will occur. According to a WHO research report, of the 4.3 million people who died worldwide due to kitchen air pollution in 2012, 34% had strokes, 22% had chronic obstructive pulmonary disease and 26% had ischemic heart disease, and about 6% died of lung cancer. The oil smoke in Chinese kitchen is very large, which makes the kitchen environment greasy and difficult to clean. Therefore, the range hood has become an essential machine to change the kitchen environment. It changes the kitchen environment and reduces the harm of oil smoke to the kitchen environment and human health.

[0003] However, most of the oil smoke is not filtered and purified during use, polluting the atmospheric environment.

[0004] In the patent document with publication number CN206648112U, an oil smoke extractor with a filter device at the air inlet is disclosed. The glass fiber mesh structure added at the air inlet can fully intercept oil smoke, has good oil filtering effect, purifies oil smoke, ensures the quality of air discharged by the oil smoke extractor, and reduces the pollution of cooking oil smoke to the atmospheric environment.

[0005] However, in the use of the oil smoke extractor with a filter device at the air inlet, the filtered oil cannot be discharged, which makes subsequent cleaning complicated and affects the service life of the equipment. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a filter device for the air inlet of an oil smoke extractor to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a filter device for the air inlet of an oil smoke extractor, comprising a casing and a dustproof groove, the dustproof groove is slidingly installed on the front surface of the casing, a dustproof plate is slidingly installed inside the dustproof groove, and an air inlet filtering and cleaning mechanism is arranged on the back surface of the dustproof plate.

[0008] The air inlet filtering and cleaning mechanism comprises an air inlet, a filter plate, a sliding groove, a cleaning rod and a sliding block, the air inlet is fixedly installed on the front surface of the shell, the filter plate is fixedly installed on the back surface of the air inlet, the sliding groove is fixedly installed below the filter plate, the sliding block is slidingly installed in the sliding groove, and the cleaning rod is installed on the top of the sliding block.

[0009] Preferably, the cleaning rod is installed on the top of the sliding block through buckling, the cleaning rod can be disassembled, cleaned and replaced through buckling connection, the cleaning end of the cleaning rod is connected with the filter plate, and the cleaning rod is parked at the leftmost side of the sliding groove when the equipment is not running, so that the remaining filtered oil can flow into the oil tank without influence.

[0010] Preferably, the front surface of the inner wall of the shell is fixedly installed with an air inlet cover, the rear end of the air inlet cover is fixedly installed with an air inlet pipe, and the inside of the air inlet pipe is provided with an oil fume suction mechanism.

[0011] The oil fume suction mechanism comprises a check valve, a filter screen, a support rod, a fan, a motor and a motor rod, the check valve is fixedly installed in the inside of the air inlet pipe, the fan is fixedly installed on the top left side of the inner wall of the air inlet pipe, the filter screen is fixedly installed on the front end of the fan, the support rod is fixedly installed on the inner wall of the fan, the motor is fixedly installed on the rear end of the inner wall of the fan, and the motor rod is fixedly installed on the output end of the motor.

[0012] Preferably, the output end of the motor rod is fixedly installed with a rotating shaft, and the top of the rotating shaft is fixedly installed with a fan blade.

[0013] Preferably, the bottom rear end of the fan is fixedly installed with an oil discharge pipe, the oil fume is discharged into the oil tank through the oil discharge pipe after being filtered by the fan, and the check valve only allows the oil fume to be discharged outward, preventing the oil fume from flowing back.

[0014] Preferably, the fan, the air inlet pipe and the shell are respectively provided with a through groove for placing the oil discharge pipe.

[0015] Preferably, the bottom of the shell is slidingly installed with an oil tank, the oil tank can be moved on the shell through buckling installation, so that the oil tank can be conveniently cleaned, and the front surface of the shell is fixedly installed with a touchpad.

[0016] Compared with the prior art, the oil fume suction air inlet filtering device has the advantages that:

[0017] 1. The oil fume suction air inlet filtering device, through the dustproof plate slidingly opening in the dustproof groove, the oil fume enters from the air inlet, contacts the filter plate and filters the oil fume, the sliding block moves in the sliding groove to drive the cleaning rod to clean the surface of the filter screen, the subsequent cleaning difficulty is reduced, and the service life of the equipment is increased.

[0018] 2. The filter device of the range hood air inlet, through the filter plate after the air inlet and the filter screen at the fan, can fully intercept and purify the oil fume, ensure the air quality of the range hood exhaust, and reduce the pollution to the atmospheric environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a front view structure schematic view of the utility model;

[0021] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0022] Figure 4 It is an enlarged view of the filter plate of the utility model;

[0023] Figure 5 It is an enlarged view of the one-way valve of the utility model;

[0024] Figure 6 It is an enlarged view of the filter screen of the utility model;

[0025] Figure 7 It is an enlarged view of the fan of the utility model;

[0026] Figure 8 It is an enlarged view of the motor of the utility model;

[0027] Figure 9 It is a rear view structure schematic view of the utility model;

[0028] Figure 10 It is Figure 9 The enlarged view of B in the middle.

[0029] In the drawing: 1, the casing; 101, the dustproof plate; 102, the touch plate; 103, the air inlet; 104, the dustproof groove; 2, the oil groove; 3, the air inlet pipe; 301, the air inlet cover; 302, the oil discharge pipe; 303, the one-way valve; 304, the filter screen; 305, the rotating shaft; 306, the fan blade; 307, the support rod; 308, the fan; 309, the motor; 310, the motor rod; 4, the filter plate; 401, the sliding groove; 402, the cleaning rod; 403, the sliding block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0031] Please refer to Figures 1-10 The present utility model provides a technical scheme:

[0032] Embodiment one: a filtering device of a smoke exhaust hood air inlet, including a casing 1 and a dustproof groove 104, characterized in that: the dustproof groove 104 is slidingly installed on the front surface of the casing 1, the dustproof plate 101 is slidingly installed inside the dustproof groove 104, and the back surface of the dustproof plate 101 is provided with an air inlet filtering and cleaning mechanism.

[0033] The air inlet filtering and cleaning mechanism includes: an air inlet 103, a filter plate 4, a sliding groove 401, a cleaning rod 402 and a sliding block 403, the air inlet 103 is fixedly installed on the front surface of the casing 1, the filter plate 4 is fixedly installed on the back surface of the air inlet 103, the sliding groove 401 is fixedly installed below the filter plate 4, the sliding block 403 is slidingly installed inside the sliding groove 401, and the cleaning rod 402 is installed on the top of the sliding block 403.

[0034] The cleaning rod 402 is installed on the top of the sliding block 403 through buckling, the cleaning rod 402 can be disassembled, cleaned and replaced through buckling connection, the cleaning end of the cleaning rod 402 is connected with the filter plate 4, and the cleaning rod 402 is parked at the leftmost side of the sliding groove 401 when the equipment is not running, so that the remaining filtered oil can flow into the oil groove 2 without being affected.

[0035] Embodiment two: on the basis of embodiment one, the front surface of the inner wall of the casing 1 is fixedly installed with an air inlet cover 301, the rear end of the air inlet cover 301 is fixedly installed with an air inlet pipe 3, and the inside of the air inlet pipe 3 is provided with a smoke suction mechanism.

[0036] The smoke suction mechanism includes: a one-way valve 303, a filter screen 304, a supporting rod 307, a fan 308, a motor 309 and a motor rod 310, the one-way valve 303 is fixedly installed inside the air inlet pipe 3, the fan 308 is fixedly installed on the top left side of the inner wall of the air inlet pipe 3, the filter screen 304 is fixedly installed on the front end of the fan 308, the supporting rod 307 is fixedly installed on the inner wall of the fan 308, the motor 309 is fixedly installed on the rear end of the inner wall of the fan 308, and the motor rod 310 is fixedly installed on the output end of the motor 309.

[0037] The output end of the motor rod 310 is fixedly installed with a rotating shaft 305, and the top of the rotating shaft 305 is fixedly installed with a fan blade 306. The motor rotation drives the motor rod to rotate, so that the rotating shaft drives the fan blade to start rotating.

[0038] In the third embodiment, the bottom rear end of the fan 308 is fixedly installed with an oil discharge pipe 302. The fan 308, the air inlet pipe 3 and the casing 1 are respectively provided with through grooves for placing the oil discharge pipe 302. The bottom of the casing 1 is slidably installed with an oil groove 2. The one-way valve 303 only allows the oil fume to be discharged outward, preventing the oil fume from flowing back. The fan 308, the air inlet pipe 3 and the casing 1 are respectively provided with through grooves for placing the oil discharge pipe 302. The bottom of the casing 1 is slidably installed with an oil groove 2. The oil groove 2 can be moved on the casing 1 through buckle installation, facilitating the cleaning of the oil groove 2. The front surface of the casing 1 is fixedly installed with a touch panel.

[0039] Working principle: when the filter device of the oil fume exhaust hood air inlet is used, the motor 309 rotates to drive the motor rod 310 to rotate, so that the rotating shaft 305 drives the fan blade 306 to start rotating, and the oil fume is sucked into the air inlet pipe 3. After the oil fume passes through the air inlet 103, it contacts the filter plate 4 for the first time. The sliding block 403 moves in the sliding groove 401 to drive the cleaning rod 402 to clean the surface of the filter plate 4, reducing the subsequent cleaning difficulty. After the oil fume is filtered for the first time, it enters the fan 308 through the one-way valve 303 for the second time. The filtered oil flows into the oil groove 2 through the oil discharge pipe 302. The oil groove 2 is removed for cleaning through the buckle connection between the oil groove 2 and the casing 1.

[0040] It should be noted that, in the present text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

Claims

1. A filtering device for the suction opening of an extractor hood, comprising a casing (1) and a dust trap (104), characterized in that: The dustproof groove (104) is slidingly installed on the front surface of the shell (1), and the dustproof plate (101) is slidingly installed in the dustproof groove (104). The air inlet filtering and cleaning mechanism comprises an air inlet (103), a filter plate (4), a sliding groove (401), a cleaning rod (402) and a sliding block (403), the air inlet (103) is fixedly installed on the front surface of the shell (1), the filter plate (4) is fixedly installed on the back surface of the air inlet (103), the sliding groove (401) is fixedly installed below the filter plate (4), the sliding block (403) is slidingly installed in the sliding groove (401), and the cleaning rod (402) is installed on the top of the sliding block (403).

2. A filtering device for the air inlet of an extractor hood according to claim 1, characterized in that: The cleaning rod (402) is installed on the top of the sliding block (403) by buckling.

3. A filtering device for the air inlet of an extractor hood according to claim 1, characterized in that: The front surface of the inner wall of the shell (1) is fixedly installed with an air inlet cover (301), the rear end of the air inlet cover (301) is fixedly installed with an air inlet pipe (3), and the inside of the air inlet pipe (3) is provided with an oil fume suction mechanism. The oil fume suction mechanism comprises a one-way valve (303), a filter screen (304), a support rod (307), a fan (308), a motor (309) and a motor rod (310), the one-way valve (303) is fixedly installed in the air inlet pipe (3), the fan (308) is fixedly installed on the top left side of the inner wall of the air inlet pipe (3), the filter screen (304) is fixedly installed on the front end of the fan (308), the support rod (307) is fixedly installed on the inner wall of the fan (308), the motor (309) is fixedly installed on the rear end of the inner wall of the fan (308), and the motor rod (310) is fixedly installed on the output end of the motor (309).

4. A filtering device for the air inlet of an extractor hood according to claim 3, characterized in that: The output end of the motor rod (310) is fixedly installed with a rotating shaft (305), and the top of the rotating shaft (305) is fixedly installed with a fan blade (306).

5. A filtering device for the air inlet of an extractor hood according to claim 3, characterized in that: The bottom rear end of the fan (308) is fixedly installed with an oil discharge pipe (302).

6. A filtering device for the air inlet of an extractor hood according to claim 3, characterized in that: The fan (308), the air inlet pipe (3) and the shell (1) are respectively provided with a through groove for placing the oil discharge pipe (302).

7. A filtering device for the air inlet of an extractor hood according to claim 1, characterized in that: The bottom of the shell (1) is slidingly installed with an oil groove (2), and the bottom of the front surface of the shell (1) is fixedly installed with a touchpad (102).

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