Household low-noise range hood

Abstract

The utility model discloses a household low-noise smoke exhaust ventilator which comprises a machine plate, a smoke exhaust area is mounted at the lower end of the machine plate, a plurality of compression rollers are mounted at the lower end of the smoke exhaust area, a cleaning mechanism is mounted at the position, corresponding to the smoke exhaust area, of the lower end of the machine plate, a sound insulation machine cover is mounted at the upper end of the machine plate, a machine body is mounted in the sound insulation machine cover, and a smoke exhaust pipe is mounted at the upper end of the sound insulation machine cover. According to the utility model, the blocked position of the filter screen can be automatically rolled up, meanwhile, a new part of the filter screen is released to the lower end of an oil smoke extraction area to continue filtering work, noise is reduced, the working efficiency of the range hood is improved, and meanwhile, noise energy is consumed through the semicircular blocks and the convex points, so that the noise is reduced. Transmission of noise energy is blocked through the sound insulation plate and the sound insulation cotton, and the noise reduction effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the range hood field, concretely relates to a domestic low noise range hood. BACKGROUND

[0002] The range hood is also called the extractor hood, and it is a kind of kitchen appliance for purifying kitchen environment. It is installed above the kitchen stove, can rapidly draw away the waste of stove combustion and the oil fume harmful to human body generated in the cooking process, and discharge outdoor, simultaneously, the oil fume is condensed and collected, reduces pollution, purifies air, and has the safety guarantee function of preventing poison and explosion.

[0003] After the range hood is used for a period of time, part of oil will adhere to the filter screen, and after long-term accumulation, part of filter screen holes will be blocked. The holes of different sizes can cause air flow to change when passing through the holes, and then form sound noise in the inside of the range hood. In addition, the blocked holes also reduce the working efficiency of the range hood. Therefore, the domestic low noise range hood is provided by the person skilled in the art to solve the problems in the above background. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems, the utility model provides a domestic low noise range hood, which comprises a machine plate, the lower end of the machine plate is provided with an oil smoke extraction area, a plurality of pressing rollers are arranged at the lower end of the oil smoke extraction area, a cleaning mechanism is arranged at the position corresponding to the oil smoke extraction area at the lower end of the machine plate, the cleaning mechanism comprises two storage boxes and a rotating rod, the storage boxes are fixed at the lower end of the machine plate, and the two storage boxes are respectively arranged at the left and right ends of the oil smoke extraction area, a box cover is arranged on the side surface of the storage box, an inlet and outlet are formed in the lower end of the storage box, a rotating block is symmetrically connected in the storage box, a bayonet is formed in the side surface of the rotating block, a threaded groove is formed in the inner wall of the bayonet, a bevel gear one is arranged at the rear end of the rear rotating block, the rotating rod is arranged at the rear side of the oil smoke extraction area, two bevel gears two are arranged on the outer surface of the rotating rod and engaged with the bevel gears one, a motor is arranged at the right end of the rotating rod, a retractable roller is arranged in the storage box, a clamping block is arranged at the two ends of the retractable roller, a fastening bolt is arranged in the clamping block, a filter screen is wound on the outer surface of the retractable roller, a sound insulation machine cover is arranged at the upper end of the machine plate, a machine body is arranged in the sound insulation machine cover, and a smoke exhaust pipe is arranged at the upper end of the sound insulation machine cover.

[0005] Preferably, the sound insulation machine cover is provided with a sound insulation plate, a plurality of semicircular blocks are arranged on the inner wall of the sound insulation plate, a plurality of convex points are arranged on the outer surface of the semicircular blocks, a sound insulation cavity is arranged in the sound insulation machine cover, and sound insulation cotton is arranged in the sound insulation cavity.

[0006] The utility model has the following technical effects and advantages:

[0007] The utility model discloses an oil smoke extractor, which can automatically roll up the position of the filter screen blocked, and the new part of the filter screen is released to the lower end of the oil smoke extraction area to continue the filtering work, reduce the noise generation, improve the working efficiency of the oil smoke extractor, consume the noise energy through the semicircle block and the convex point, block the transmission of the noise energy through the sound insulation board and the sound insulation cotton, and achieve the noise reduction effect. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 is the structural schematic diagram of the utility model;

[0009] Fig. 2 is the structural schematic diagram of the cleaning mechanism of the utility model;

[0010] Fig. 3 is the structural schematic diagram of the storage box of the utility model;

[0011] Fig. 4 is the structural schematic diagram of the sound insulation cover of the utility model;

[0012] In the drawings:

[0013] 1, machine plate; 2, oil smoke extraction area; 3, cleaning mechanism; 4, storage box; 5, box cover; 6, import and export; 7, rotating block; 8, bayonet; 9, screw groove;

[0014] 10, bevel gear one; 11, rotating rod; 12, motor; 13, bevel gear two; 14, take-up roller; 15, clamping block; 16, fastening bolt; 17, filter screen; 18, compression roller; 19, sound insulation cover;

[0015] 20, sound insulation board; 21, semicircle block; 22, convex point; 23, sound insulation cavity; 24, sound insulation cotton. DETAILED DESCRIPTION

[0016] The utility model discloses an oil smoke extractor, which can automatically roll up the position of the filter screen blocked, and the new part of the filter screen is released to the lower end of the oil smoke extraction area to continue the filtering work, reduce the noise generation, improve the working efficiency of the oil smoke extractor, consume the noise energy through the semicircle block and the convex point, block the transmission of the noise energy through the sound insulation board and the sound insulation cotton, and achieve the noise reduction effect.

[0017] Please refer to Figs. 1-4In this embodiment, a household low-noise range hood is provided, comprising a machine plate 1, a smoke extraction area 2 is installed at the lower end of the machine plate 1, a plurality of compression rollers 18 are installed at the lower end of the smoke extraction area 2, a cleaning mechanism 3 is installed at the position corresponding to the smoke extraction area 2 at the lower end of the machine plate 1, the cleaning mechanism 3 comprises two storage boxes 4 and a rotating rod 11, the storage boxes 4 are fixed at the lower end of the machine plate 1, and the two storage boxes 4 are respectively located at the left and right ends of the smoke extraction area 2, a box cover 5 is arranged on the side surface of the storage box 4, an inlet and outlet 6 is formed at the lower end of the storage box 4, a rotating block 7 is symmetrically and rotatably connected inside the storage box 4, a bayonet 8 is formed on the side surface of the rotating block 7, a threaded groove 9 is formed on the inner wall of the bayonet 8, a bevel gear one 10 is installed at the rear end of the rear rotating block 7, the rotating rod 11 is arranged at the rear side of the smoke extraction area 2, two bevel gears two 13 are installed on the outer surface of the rotating rod 11, and the bevel gears two 13 and the bevel gear one 10 are engaged, a motor 12 is installed at the right end of the rotating rod 11, a take-up roller 14 is arranged inside the storage box 4, a clamping block 15 is installed at both ends of the take-up roller 14, a fastening bolt 16 is arranged inside the clamping block 15, a filter screen 17 is wound on the outer surface of the take-up roller 14, a sound insulation hood 19 is installed at the upper end of the machine plate 1, a machine body is installed inside the sound insulation hood 19, a smoke exhaust pipe is installed at the upper end of the sound insulation hood 19, a sound insulation board 20 is installed on the inner wall of the sound insulation hood 19, a plurality of semicircular blocks 21 are installed on the inner wall of the sound insulation board 20, a plurality of convex points 22 are installed on the outer surface of the semicircular blocks 21, a sound insulation cavity 23 is arranged inside the sound insulation hood 19, and sound insulation cotton 24 is installed inside the sound insulation cavity 23.

[0018] The working principle of the utility model is: the take-up roller 14 wound with the filter screen 17 is installed in a storage box 4, the clamping block 15 is inserted into the bayonet 8, the fastening bolt 16 is screwed into the threaded groove 9, the take-up roller 14 is installed in the storage box 4, the take-up roller 14 without the filter screen 17 is installed in another storage box 4, one end of the filter screen 17 is passed through the inlet and outlet 6 and the upper end of the compression roller 18 and wound on the outer surface of the other take-up roller 14, so that the filter screen 17 is located at the lower end of the smoke extraction area 2.

[0019] The oil fume is extracted through the smoke extraction area 2, the oil fume is filtered through the filter screen 17, after the filter screen 17 is blocked by oil, the motor 12 drives the bevel gears two 13 to rotate through the rotating rod 11, the bevel gears two 13 and the bevel gear one 10 are engaged to drive the take-up roller 14 to rotate, the take-up rollers 14 on both sides rotate synchronously and in the same direction, so that the position of the filter screen 17 blocked is wound up, at the same time, the new part of the filter screen 17 is released to the lower end of the smoke extraction area 2 to continue the filtering work, the noise is reduced, and the working efficiency of the range hood is improved.

[0020] When the machine body works to produce noise, the semicircular blocks 21 and the convex points 22 consume noise energy to reduce the transmission of noise energy, so that the noise reduction effect is achieved, at the same time, the sound insulation board 20 and the sound insulation cotton 24 block the transmission of noise energy to achieve the noise reduction effect.

[0021] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A domestic low-noise extractor hood comprising a panel (1), characterized in that, The lower end of the machine plate (1) is provided with an oil fume extraction area (2), and a plurality of pressing rollers (18) are arranged at the lower end of the oil fume extraction area (2). A cleaning mechanism (3) is arranged at the lower end of the machine plate (1) corresponding to the position of the oil fume extraction area (2). The cleaning mechanism (3) comprises two storage boxes (4) and a rotating rod (11). The storage boxes (4) are fixed at the lower end of the machine plate (1), and the two storage boxes (4) are respectively arranged at the left and right ends of the oil fume extraction area (2). A box cover (5) is arranged on the side surface of the storage box (4). An inlet and outlet (6) is formed at the lower end of the storage box (4). A rotating block (7) is symmetrically connected inside the storage box (4). A bayonet (8) is formed on the side surface of the rotating block (7). A threaded groove (9) is formed on the inner wall of the bayonet (8). A bevel gear (10) is arranged at the rear end of the rear rotating block (7). The rotating rod (11) is arranged at the rear side of the oil fume extraction area (2). Two bevel gears (13) are arranged on the outer surface of the rotating rod (11), and the bevel gears (13) and the bevel gear (10) are engaged. A motor (12) is arranged at the right end of the rotating rod (11). A retractable roller (14) is arranged inside the storage box (4). A clamping block (15) is arranged at the two ends of the retractable roller (14). A fastening bolt (16) is arranged inside the clamping block (15). A filter screen (17) is wound on the outer surface of the retractable roller (14). An acoustic machine cover (19) is arranged at the upper end of the machine plate (1). A machine body is arranged inside the acoustic machine cover (19). An exhaust pipe is arranged at the upper end of the acoustic machine cover (19).

2. A domestic low noise extractor hood according to claim 1, characterised in that An acoustic baffle (20) is arranged on the inner wall of the acoustic machine cover (19). A plurality of semicircular blocks (21) are arranged on the inner wall of the acoustic baffle (20). A plurality of convex points (22) are arranged on the outer surface of the semicircular blocks (21). An acoustic cavity (23) is arranged inside the acoustic machine cover (19). Acoustic cotton (24) is arranged inside the acoustic cavity (23).

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