CN219318508U

CN219318508U - Active noise reduction device of smoke exhaust ventilator

Info

Publication number: CN219318508U
Application number: CN202320065680.XU
Authority: CN
Inventors: 王敏
Original assignee: Guangdong Pomegranate King Network Technology Co ltd
Current assignee: Guangdong Pomegranate King Network Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-07-07
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses an active noise reduction device of a range hood, which relates to the technical field of range hoods and comprises a range hood main body groove, wherein two symmetrical baffle grooves are slidably connected to the inner wall of the range hood main body groove, inner baffles are slidably connected to the inner walls of the two baffle grooves, two symmetrical rotating plates are rotatably connected to the bottom surface of the range hood main body groove, an upper treatment bin is fixedly communicated with the upper surface of the range hood main body groove, an exhaust mechanism is arranged in the upper treatment bin, and the exhaust mechanism comprises a motor groove. The baffle groove that it can set up and the cooperation between the interior baffle can improve the suction efficiency of exhaust mechanism to the oil smoke to can use the lower motor body of working power, just can the noise reduction, through the buffer gear who sets up, can cushion the vibrations that the motor body produced at the during operation, reduce the motor body and strike the noise that produces the device when having reduced the during operation, make the holistic noise reduction effect of device stable and ideal.

Description

Active noise reduction device of smoke exhaust ventilator

Technical Field

The utility model relates to the technical field of smoke exhaust ventilator, in particular to an active noise reduction device of a smoke exhaust ventilator.

Background

In recent years, due to the high-speed development of economy and gradual improvement of living standard, people's enthusiasm for cooking is increased, and due to the continuous expansion of town planning range, the requirements of urban households on range hoods are also expanded, but the noise of the range hoods is always a problem of headache in the field of household appliances, and the main noise source is the noise generated by vibration and device impact when a motor rotates at high speed.

At present, the common smoke exhaust ventilator in the market usually uses noise reduction equipment to assist in noise reduction of noise reduction waves emitted by the smoke exhaust ventilator, but the noise reduction mode has a plurality of defects, for example, the noise reduction system cannot recognize sound-emitting change noise reduction waves of a motor in the range hood in real time, and compared with noise reduction by using a physical structure, the noise reduction system cannot provide stable noise reduction effect and has certain defects; to this end, we provide an active noise reduction device for a range hood that solves the above problems.

Disclosure of Invention

The utility model aims to make up the defects of the prior art and provides an active noise reduction device of a smoke exhaust ventilator.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an initiative noise reduction device of smoke ventilator, includes the lampblack absorber main part groove, the inner wall sliding connection of lampblack absorber main part groove has two symmetrical baffle grooves, two the equal sliding connection of inner wall in baffle groove has the internal baffle, the bottom surface in lampblack absorber main part groove rotates and is connected with the rotating plate of two symmetries, the last fixed surface intercommunication in lampblack absorber main part groove has the processing storehouse, the inside of processing the storehouse is equipped with exhaust mechanism, exhaust mechanism includes the motor groove, the inside in motor groove is equipped with three buffer gear, three buffer gear all includes the attenuator, the inner wall in lampblack absorber main part groove is equipped with the blocking mechanism of two symmetries.

Further, the upper surface of the upper treatment bin is fixedly communicated with an exhaust cylinder, the filter plate is installed on the inner top wall of the main body groove of the range hood, the oil storage groove is fixedly connected with the inner wall of the filter plate, and two groups of illuminating lamps are installed on the inner wall of the main body groove of the range hood.

Further, the surface of motor groove and the inner wall fixed connection of last processing storehouse, the inside of motor groove is equipped with the motor body, the output fixedly connected with convulsions page or leaf of motor body, the surface of convulsions page or leaf rotates with the inner wall in motor groove and is connected.

Further, the upper surface fixedly connected with of attenuator stretches into the board, the upper surface that stretches into the board and the bottom surface fixed connection of motor body.

Further, the outer surface sliding connection of extension board and attenuator has a buffer tube, the bottom surface fixedly connected with first spring of attenuator, the bottom of first spring and the interior bottom wall fixed connection of buffer tube.

Further, the bottom surface fixedly connected with rubber pad of buffer tube, the bottom surface of rubber pad and the interior bottom wall fixed connection of motor groove.

Further, the two blocking mechanisms comprise blocking plates, the outer surfaces of the blocking plates are in sliding connection with the inner wall of the main body groove of the range hood, four extending shafts which are arranged at equal intervals are fixedly connected to the bottom surface of the blocking plates, and the outer surfaces of the extending shafts are in sliding connection with the inner wall of the main body groove of the range hood.

Further, the outer surface of each extending shaft is wound with a second spring, and the upper end and the lower end of the second spring are fixedly connected with the bottom surface of the blocking plate and the inner bottom wall of the main body groove of the range hood respectively.

Compared with the prior art, the active noise reduction device of the smoke exhaust ventilator has the following beneficial effects:

1. according to the utility model, through the matching between the baffle groove and the inner baffle, the oil fume sucking efficiency of the air suction mechanism can be improved, so that the motor body with lower working power can be used, the noise can be reduced, and through the buffer mechanism, the vibration generated by the motor body during working can be buffered, the noise generated by the impact of the motor body on the device during working is reduced, and the overall noise reduction effect of the device is stable and ideal.

2. According to the utility model, the baffle plate groove and the inner baffle plate can move downwards under the action of gravity through the rotating plate which is arranged in a rotating way in a direction away from the inner baffle plate, the baffle plate groove can strike the baffle plate, and the gravity falling down from the baffle plate groove can be buffered by the left and right elasticity of the second spring, so that the baffle plate groove can be prevented from directly crashing the inner wall of the main body groove of the range hood, and the practicability of the device is further enhanced.

Drawings

FIG. 1 is a schematic perspective elevation view of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of the present utility model;

FIG. 3 is a schematic diagram of an explosion structure of the air extraction mechanism of the present utility model;

FIG. 4 is a schematic diagram of an exploded view of the buffer mechanism of the present utility model;

fig. 5 is a schematic perspective view of a main body groove and a blocking mechanism of the range hood according to the present utility model;

fig. 6 is a schematic perspective view of a blocking mechanism according to the present utility model.

In the figure: 1. a main body groove of the range hood; 2. a baffle plate groove; 3. an inner baffle; 4. a rotating plate; 5. a treatment bin is arranged; 6. an air exhausting mechanism; 601. a motor slot; 602. a motor body; 603. exhausting the air page; 7. a buffer mechanism; 701. extending into the plate; 702. a damper; 703. a first spring; 704. a buffer tube; 705. a rubber pad; 8. an exhaust duct; 9. a blocking mechanism; 901. a blocking plate; 902. a shaft extending into the shaft; 903. a second spring; 10. an oil storage tank; 11. a filter plate; 12. an illuminating lamp.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The embodiment provides an initiative noise reduction device of smoke ventilator, the device is used for initiatively making an uproar to the smoke ventilator at smoke ventilator during operation, cooperation between baffle groove 2 and the interior baffle 3 through setting up can improve exhaust mechanism 6 to the absorption efficiency of oil smoke to can use motor body 602 that working power is lower, just can reduce noise, through buffer gear 7 that sets up, can cushion motor body 602 vibrations that produce at the during operation, noise that the reduction motor body 602 carried out the striking to the device and produced, make the holistic noise reduction effect of device stable and ideal.

Referring to fig. 1 to 6, an active noise reduction device of a range hood comprises a range hood body groove 1, wherein two symmetrical baffle grooves 2 are slidably connected to the inner wall of the range hood body groove 1, and inner baffles 3 are slidably connected to the inner walls of the two baffle grooves 2.

The cooperation between baffle plate groove 2 and inner baffle plate 3 that use set up can avoid the oil smoke to be blown away in the low department to can make motor body 602 just can realize with lower power the effect of extracting the oil smoke the same with not setting up baffle plate groove 2 and inner baffle plate 3.

The bottom surface rotation of lampblack absorber main part groove 1 is connected with two symmetrical revolving plates 4, and the upper surface fixed intercommunication of lampblack absorber main part groove 1 has last processing storehouse 5, and the inside of going up processing storehouse 5 is equipped with air extraction mechanism 6, and air extraction mechanism 6 includes motor tank 601, and the inside of motor tank 601 is equipped with three buffer mechanism 7, and three buffer mechanism 7 all includes attenuator 702, and the inner wall of lampblack absorber main part groove 1 is equipped with two symmetrical blocking mechanism 9.

The blocking mechanism 9 can only be released from the projection above the baffle slot 2, and has the main function of buffering downward impact when the baffle slot 2 is unfolded.

The upper surface of the upper treatment bin 5 is fixedly communicated with an exhaust cylinder 8, a filter plate 11 is installed on the inner top wall of the range hood main body groove 1, an oil storage groove 10 is fixedly connected to the inner wall of the filter plate 11, and two groups of illuminating lamps 12 are installed on the inner wall of the range hood main body groove 1.

The use of a plurality of illumination lamps 12 can improve the comfort of the device.

The surface of motor tank 601 and the inner wall fixed connection of last processing storehouse 5, the inside of motor tank 601 is equipped with motor body 602, and motor body 602's output fixedly connected with convulsions page or leaf 603, the surface of convulsions page or leaf 603 and the inner wall rotation connection of motor tank 601.

The outer surface of the motor tank 601 is provided with a group of annular square blocks, and gaps among the square blocks can ensure the ventilation efficiency of the device.

The upper surface fixedly connected with of attenuator 702 stretches into board 701, stretches into the upper surface of board 701 and the bottom surface fixed connection of motor body 602, stretches into the surface sliding connection of board 701 and attenuator 702 and has a buffer tube 704, the bottom surface fixed connection of attenuator 702 has a spring 703, the bottom of first spring 703 and the interior bottom wall fixed connection of buffer tube 704.

The buffer tube 704, the damper 702 and the outer surface of the extending plate 701 are provided with larger friction force, so that vibration generated by the motor body 602 can be effectively buffered.

The bottom surface fixedly connected with rubber pad 705 of buffer tube 704, the bottom surface of rubber pad 705 and the interior bottom wall fixed connection of motor groove 601.

The vibration generated by the motor body 602 can be directly buffered at a physical level by using the rubber pad 705.

The two blocking mechanisms 9 comprise blocking plates 901, the outer surfaces of the blocking plates 901 are in sliding connection with the inner wall of the main body groove 1 of the range hood, four extending shafts 902 which are arranged at equal intervals are fixedly connected to the bottom surface of the blocking plates 901, and the outer surfaces of the extending shafts 902 are in sliding connection with the inner wall of the main body groove 1 of the range hood.

The inside of the arranged main body groove 1 of the range hood is provided with a slot matched with the extending shaft 902, and the arranged extending shaft 902 can extend into the inner wall of the main body groove 1 of the range hood.

The outer surface of each extending shaft 902 is wound with a second spring 903, and the upper end and the lower end of the second spring 903 are fixedly connected with the bottom surface of the blocking plate 901 and the inner bottom wall of the range hood main body groove 1 respectively.

The provided baffle 901 should use the softer plastics of material, can avoid baffle groove 2 to be broken when baffle groove 2 down strikes like this.

Working principle: when the baffle groove 2 and the inner baffle 3 are required to be folded, the baffle groove 2 and the inner baffle 3 are directly pushed, so that the baffle groove 2 and the inner baffle 3 can be placed into the main body groove 1 of the range hood, and the baffle groove 2 and the inner baffle 3 can be limited through the rotating plate 4 which is rotated in the direction close to the inner baffle 3. When baffle groove 2 and interior baffle 3 need be expanded, only need rotate the revolving plate 4 that sets up to the direction of keeping away from interior baffle 3, baffle groove 2 and interior baffle 3 just can move down under the effect of gravity, baffle groove 2 that sets up can strike the barrier 901 that sets up, about the elasticity of second spring 903 down, can cushion the gravity that baffle groove 2 was saged, thereby can avoid baffle groove 2 to directly bump out the inner wall of lampblack absorber main part groove 1, baffle groove 2 and interior baffle 3 that set up, can prevent the oil smoke of kitchen and scatter outward, thereby can effectually reduce the required rotation power of motor body 602 when the extraction oil smoke, and then can reduce smoke ventilator holistic noise. When the motor body 602 works, vibration can be generated, the vibration can drive the three extending plates 701 to move up and down, the vibration can be buffered under the self action of the damper 702, the elastic action of the first spring 703 and the action of the rubber pad 705, so that the effect of reducing noise generated by the vibration of the motor body 602 and impacting the motor groove 601 can be achieved, and the comfort of a resident during cooking can be improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a initiative noise reduction device of smoke ventilator, includes lampblack absorber main part groove (1), its characterized in that: the inner wall sliding connection of lampblack absorber main part groove (1) has two symmetrical baffle grooves (2), two equal sliding connection of inner wall in baffle groove (2) has inner baffle (3), the bottom surface rotation in lampblack absorber main part groove (1) is connected with two symmetrical revolving plates (4), the last fixed surface intercommunication in lampblack absorber main part groove (1) has last treatment storehouse (5), the inside of going up treatment storehouse (5) is equipped with exhaust mechanism (6), exhaust mechanism (6) include motor groove (601), the inside in motor groove (601) is equipped with three buffer gear (7), and three buffer gear (7) all include attenuator (702), the inner wall in lampblack absorber main part groove (1) is equipped with two symmetrical blocking mechanism (9).

2. An active noise reduction device for a range hood according to claim 1, wherein: the upper surface of the upper treatment bin (5) is fixedly communicated with an exhaust cylinder (8), a filter plate (11) is installed on the inner top wall of the range hood main body groove (1), an oil storage groove (10) is fixedly connected to the inner wall of the filter plate (11), and two groups of illuminating lamps (12) are installed on the inner wall of the range hood main body groove (1).

3. An active noise reduction device for a range hood according to claim 1, wherein: the outer surface of motor groove (601) and the inner wall fixed connection of last processing storehouse (5), the inside of motor groove (601) is equipped with motor body (602), the output fixedly connected with convulsions page or leaf (603) of motor body (602), the surface of convulsions page or leaf (603) rotates with the inner wall of motor groove (601) to be connected.

4. An active noise reduction device for a range hood according to claim 1, wherein: the upper surface of the damper (702) is fixedly connected with an extending plate (701), and the upper surface of the extending plate (701) is fixedly connected with the bottom surface of the motor body (602).

5. The active noise reduction device of a range hood according to claim 4, wherein: the outer surface sliding connection who stretches into board (701) and attenuator (702) has a buffer tube (704), the bottom surface fixedly connected with first spring (703) of attenuator (702), the bottom of first spring (703) is fixedly connected with the interior bottom wall of buffer tube (704).

6. The active noise reduction device of a range hood according to claim 5, wherein: the bottom surface fixedly connected with rubber pad (705) of buffer cylinder (704), the bottom surface of rubber pad (705) and the interior bottom wall fixed connection of motor groove (601).

7. An active noise reduction device for a range hood according to claim 1, wherein: the two blocking mechanisms (9) comprise blocking plates (901), the outer surfaces of the blocking plates (901) are in sliding connection with the inner wall of the main body groove (1) of the range hood, four equally-spaced extending shafts (902) are fixedly connected to the bottom surface of each blocking plate (901), and the outer surfaces of the extending shafts (902) are in sliding connection with the inner wall of the main body groove (1) of the range hood.

8. The active noise reduction device of a range hood of claim 7, wherein: the outer surface of each extending shaft (902) is wound with a second spring (903), and the upper end and the lower end of the second spring (903) are fixedly connected with the bottom surface of the blocking plate (901) and the inner bottom wall of the main body groove (1) of the range hood respectively.