CN213656860U

CN213656860U - Fume exhaust fan

Info

Publication number: CN213656860U
Application number: CN202021839871.XU
Authority: CN
Inventors: 韩君庆; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-07-09
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a range hood, including the collection smoke chamber, the collection smoke chamber has air intake and air outlet department is provided with and is used for the switch the check valve of air outlet still includes switching device, cleaning device and controller, wherein switching device cleaning device the check valve respectively with controller electric connection, switching device sets up the air intake is in the department is used for the switching the air intake, cleaning device sets up in the collection smoke chamber with right the grease in the collection smoke chamber cleans. The range hood has simple structure, can have the automatic cleaning function, and further enlarges the cleaning area.

Description

Fume exhaust fan

Technical Field

The utility model relates to a kitchen electricity technical field especially relates to a range hood.

Background

The range hood is one of the necessary domestic appliances in modern family kitchen, and range hood uses for a long time, and surface and inner chamber can be full of the greasy dirt, influences its normal smoke exhaust effect even, so regularly wash the lampblack absorber and be the prerequisite of guarantee lampblack absorber normal work.

In the related art, most of range hoods are used to be disassembled and cleaned, which wastes time and easily damages parts, so that the range hoods capable of being cleaned automatically are produced. In addition, most of the existing automatic cleaning structures only clean the impeller of the range hood, the cleaning range is small, and the cleaning function cannot be realized for other positions of the volute and the box body.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a range hood, its simple structure can make range hood have the self-cleaning function to further enlarged the washing region.

The above purpose is realized by the following technical scheme:

the utility model provides a range hood, includes the collection smoke chamber, the collection smoke chamber has air intake and air outlet department is provided with and is used for the switch the check valve of air outlet still includes switching device, cleaning device and controller, wherein switching device cleaning device the check valve respectively with controller electric connection, switching device sets up the air intake is in the switching is used for the switching the air intake, cleaning device sets up in the collection smoke chamber with right the grease in the collection smoke chamber cleans.

In some embodiments, the switching device includes a guide member disposed at a rim of the air outlet and a switching flap slidably coupled with the guide member to open or close the air inlet.

In some embodiments, the switch device further includes a driving mechanism, an output end of the driving mechanism is connected to the switch baffle, and the driving mechanism is electrically connected to the controller to drive the switch baffle to move along the guide assembly.

In some embodiments, a gear is disposed at an output end of the driving mechanism and is located on one side or both sides of the air inlet, a plurality of bayonets engaged with the gear are disposed on the switch baffle, and the gear is driven to rotate by the driving mechanism to drive the switch baffle to move.

In some embodiments, the guide assembly includes a first guide portion and a second guide portion connected in sequence, where the first guide portion is disposed on an edge of the air inlet, the second guide portion extends in a direction away from the air inlet and along a vertical direction, and the first guide portion and the second guide portion are in smooth transition connection.

In some embodiments, the guide assembly has two guide rails spaced apart from each other to define a sliding slot, and the sliding slot is coupled to the switching flap to allow the switching flap to move along the sliding slot.

In some embodiments, the cleaning device includes a water supply unit and a heating unit, wherein the water supply unit is disposed on the smoke collection cavity, the heating unit is connected to the water supply unit, and the heating unit is configured to heat cold water supplied by the water supply unit to generate high-temperature steam and output the generated high-temperature steam to the smoke collection cavity to clean grease in the smoke collection cavity.

In some embodiments, the smoke collection device further comprises a fan assembly disposed in the smoke collection cavity and electrically connected to the controller.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model discloses range hood, its simple structure can make range hood have the self-cleaning function to further enlarge the washing region.

2. The range hood cleaning device is reasonable in design, and can effectively improve the cleaning effect of the range hood.

Drawings

Fig. 1 is a schematic view of a first structure of a range hood according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of the range hood according to the embodiment of the present invention;

fig. 3 is a bottom view of the range hood in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of the range hood according to the embodiment of the present invention when the air inlet is opened;

fig. 5 is a schematic structural diagram of a switching device according to an embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the scope of the claimed technical solution of the present invention.

As shown in fig. 1 to 5, the present embodiment provides a range hood, including collection smoke chamber 1, collection smoke chamber 1 has air intake 11 and air outlet 12, is provided with check valve 2 that is used for opening and closing air outlet 12 in air outlet 12 department, still includes switching device 3, cleaning device and controller, wherein switching device 3, cleaning device, check valve 2 respectively with controller electric connection, switching device 3 sets up in air intake 11 department in order to be used for switching on and off air intake 11, cleaning device sets up in collection smoke chamber 1 in order to clean the grease in collection smoke chamber 1.

In this embodiment, the smoke collection chamber 1 has an air inlet 11 and an air outlet 12 that are communicated with each other, external oil smoke is introduced into the smoke collection chamber 1 through the air inlet 11, the oil smoke entering the smoke collection chamber 1 is discharged outside through the air outlet 12, in the oil smoke suction process of the range hood, the controller control switch device 3 opens the air inlet 11 and controls the check valve 2 to open the air outlet 12, similarly, in the self-cleaning process of the range hood, the controller control switch device 3 closes the air inlet 11 and controls the check valve 2 to close the air outlet 12, so that the smoke collection chamber 1 forms a closed space, and then the grease in the smoke collection chamber 1 is cleaned through the cleaning device.

Further, the switch device 3 comprises a guide assembly 4 and a switch baffle plate 5, wherein the guide assembly 4 is arranged at the edge of the air outlet 12, and the switch baffle plate 5 is connected with the guide assembly 4 in a sliding manner so as to open or close the air inlet 11.

Preferably, the switch device 3 further includes a driving mechanism 6, an output end of the driving mechanism 6 is connected to the switch baffle 5, the driving mechanism 6 is electrically connected to the controller to drive the switch baffle 5 to move along the guide assembly 4, and the switch device is simple in structure and can effectively perform automatic opening and closing actions of the air inlet 11.

Specifically, be provided with gear 7 on actuating mechanism 6's output and gear 7 is located one side or the left and right sides of air intake 11 on, set up a plurality of bayonets 51 with gear 7 meshing on switch baffle 5, drive gear 7 through actuating mechanism 6 and rotate in order to drive switch baffle 5 motion, its reasonable in design can effectively improve the stability of switch baffle 5 motion.

Preferably, the guiding assembly 4 includes a first guiding portion 41 and a second guiding portion 42 connected in sequence, wherein the first guiding portion 41 is disposed on the edge of the air inlet 11, the second guiding portion 42 extends along the vertical direction and toward the direction away from the air inlet 11, and the first guiding portion 41 and the second guiding portion 42 are connected in a smooth transition manner.

Further, the guide assembly 4 has two guide rails which are arranged at intervals, a sliding groove is defined by the two guide rails together, the sliding groove is connected with the switch baffle 5 in a matched mode so that the switch baffle 5 moves along the sliding groove, the structure is simple, and the movement of the switch baffle 5 can be limited conveniently.

In this embodiment, the first guiding portions 41 are disposed at two side edges inside the air inlet 11, the first guiding portions 41 extend along two side edges of the air inlet 11, the second guiding portions 42 extend upward after one end of the first guiding portions 41 is bent, that is, the second guiding portions 42 extend in a direction away from the air inlet 11 and in a vertical direction, the first guiding portions 41 and the second guiding portions 42 are connected in a smooth transition manner, so that the first guiding portions 41 and the second guiding portions 42 are connected together to form an L-shaped structure, the guiding assembly 4 has two opposite guide rails spaced apart from each other, a sliding slot is defined between the two guide rails by the two guide rails, two sides of the switch baffle 5 are connected with the sliding slot in a matching manner to enable the switch baffle 5 to freely slide in the sliding slot, a gear 7 is disposed at an output end of the driving mechanism 6, the gear 7 is disposed on two side edges or on any one side edge of the left side edge and the right side edge of the air inlet 11, the switch baffle 5 is provided with a plurality of bayonets 51 engaged with the gear 7, the plurality of bayonets 51 are arranged along the left and right sides of the air inlet 11 at intervals, the driving mechanism 6 drives the gear 7 to rotate, the gear 7 is engaged with the bayonets 51 to drive the switch baffle 5 to advance through the gear 7, a first movement limit position and a second movement limit position are respectively formed at two ends of the plurality of bayonets 51, in the movement process of driving the switch baffle 5 by the driving mechanism 6, if the gear 7 moves to the first movement limit positions of the plurality of bayonets 51, the driving mechanism 6 stops working, so that the opening action of the air inlet 11 is completed, if the gear 7 rotates reversely to move to the second movement limit positions of the plurality of bayonets 51, the driving mechanism 6 stops working, so that the closing action of the air inlet 11 is completed, in this embodiment, the driving mechanism 6 is preferably made of a motor, but not limited to, an electric motor, and other more suitable driving devices can be selected according to actual requirements.

Further, cleaning device includes water supply unit and heating unit, wherein the water supply unit sets up on collection smoke chamber 1, heating unit is connected with the water supply unit, heating unit is used for heating the cold water of water supply unit supply in order to produce high temperature steam and export produced high temperature steam to collection smoke chamber 1 in order to clean the grease in collection smoke chamber 1, its reasonable in design, ingenious, can do benefit to and clean the grease in collection smoke chamber 1, and then effectively improve the clear effect of collection smoke chamber 1 grease.

Particularly, still include fan subassembly 8, fan subassembly 8 sets up in collection smoke chamber 1 and with controller electric connection, its simple structure can further improve the clear effect of collection smoke chamber 1 grease.

In this embodiment, the water supply unit is detachably disposed on the range hood or directly connected to an external water supply, the heating unit is used to heat the cold water supplied by the water supply unit to generate high temperature steam, if a user starts a cleaning function of the range hood or detects that grease in the smoke collection chamber 1 needs to be cleaned by a smoke detection device of the range hood, the controller controls the driving mechanism 6 to move so as to make the switch baffle 5 block the air inlet 11 and control the check valve 2 to close the air outlet 12, so that the smoke collection chamber 1 forms a closed space, then controls the heating unit to heat to generate high temperature steam, and outputs the generated high temperature steam to the smoke collection chamber 1 so that the smoke collection chamber 1 is filled with high temperature steam, and after the high temperature steam softens the wall surface inside the smoke collection chamber 1, the fan of the fan assembly 8 is controlled to rotate at certain intervals to realize air flow in the closed space inside the smoke collection chamber 1, thereby make the greasy dirt of fan department get rid of, and then the greasy dirt of collection smoke chamber 1 inner wall also can flow with higher speed along with the flow of high temperature steam, can get rid of the greasy dirt more fast like this, so both can realize the comprehensive cleanness of collection smoke chamber 1 inside, can show the clean effect that improves the range hood grease simultaneously to enlarged current range hood's clean area, further improved user experience degree and promoted the competitiveness of company's product.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a range hood, includes collection smoke chamber (1), collection smoke chamber (1) has air intake (11) and air outlet (12) department is provided with and is used for the switch check valve (2) of air outlet (12), its characterized in that still includes switching device (3), cleaning device and controller, wherein switching device (3) cleaning device check valve (2) respectively with controller electric connection, switching device (3) set up air intake (11) are used for the switching air intake (11), cleaning device sets up in collection smoke chamber (1) with right grease in collection smoke chamber (1) cleans.

2. A range hood according to claim 1, wherein the switch device (3) comprises a guide assembly (4) and a switch baffle (5), wherein the guide assembly (4) is disposed at the edge of the air outlet (12), and the switch baffle (5) is slidably connected with the guide assembly (4) to open or close the air inlet (11).

3. The range hood according to claim 2, wherein the switch device (3) further comprises a driving mechanism (6), an output end of the driving mechanism (6) is connected with the switch baffle (5), and the driving mechanism (6) is electrically connected with the controller to drive the switch baffle (5) to move along the guide assembly (4).

4. The range hood according to claim 3, wherein a gear (7) is disposed at an output end of the driving mechanism (6), the gear (7) is disposed on one side or both left and right sides of the air inlet (11), a plurality of bayonets (51) engaged with the gear (7) are disposed on the switch baffle (5), and the gear (7) is driven to rotate by the driving mechanism (6) to drive the switch baffle (5) to move.

5. The range hood according to claim 3, wherein the guide assembly (4) comprises a first guide portion (41) and a second guide portion (42) connected in sequence, wherein the first guide portion (41) is disposed on an edge of the air inlet (11), the second guide portion (42) extends in a direction away from the air inlet (11) and in a vertical direction, and the first guide portion (41) and the second guide portion (42) are in smooth transition connection.

6. A range hood according to claim 3, wherein the guiding assembly (4) has two guide rails arranged at an interval, and a sliding groove is defined by the two guide rails, and the sliding groove is connected with the switch baffle (5) in a matching manner so that the switch baffle (5) moves along the sliding groove.

7. The range hood according to any one of claims 1 to 6, wherein the cleaning device comprises a water supply unit and a heating unit, wherein the water supply unit is disposed on the smoke collection chamber (1), the heating unit is connected to the water supply unit, and the heating unit is configured to heat cold water supplied by the water supply unit to generate high-temperature steam and output the generated high-temperature steam into the smoke collection chamber (1) to clean grease in the smoke collection chamber (1).

8. The range hood according to any one of claims 1 to 6, further comprising a fan assembly (8), wherein the fan assembly (8) is disposed in the smoke collection chamber (1) and electrically connected to the controller.