CN217584573U

CN217584573U - Fume exhaust fan

Info

Publication number: CN217584573U
Application number: CN202220575365.7U
Authority: CN
Inventors: 卢宇凡; 黄志宏; 吴洪
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-10-14
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to a range hood, which comprises a bod, the spiral case, keep off cigarette board and air inlet net, the collection smoke chamber has in the fuselage, the spiral case sets up in the collection smoke chamber, be provided with first air intake and the first air outlet all with collection smoke chamber intercommunication on the fuselage, it sets up in first air intake department to keep off the cigarette board, the air inlet net sets up in the one side that keeps off the cigarette board and deviates from the spiral case, the spiral case includes the casing, be provided with second air intake and second air outlet on the casing, the side that the casing is provided with the second air intake is the air inlet side, second air outlet and first air outlet intercommunication, it presss from both sides tightly between cigarette board and the air inlet side to keep off has the puigging, the puigging encircles the week portion of second air intake. The utility model discloses a lampblack absorber is through supporting the puigging tightly between the air inlet side of keeping off cigarette board and spiral case, can reduce the spiral case effectively and at the vibration that the during operation produced to reduce the noise that the spiral case produced, puigging itself has certain syllable-dividing effect moreover, can reduce the noise that the spiral case produced effectively.

Description

Fume exhaust fan

Technical Field

The utility model relates to kitchen equipment technical field especially relates to a lampblack absorber.

Background

A range hood is a kitchen appliance for purifying a kitchen environment, and generally employs a worm gear fan to rapidly draw waste burned by a range and oil smoke harmful to a human body generated during a cooking process to an outdoor, thereby purifying indoor air.

The design that the big amount of wind is realized to increase turbofan's power to lampblack absorber usually adopts at present to improve lampblack absorber's convulsions efficiency. However, this design has the following drawbacks: when the range hood works, the turbine fan can generate larger vibration along with the increase of the air quantity, so that larger noise is generated, the comfort of the range hood in use is influenced, and even the health of a user is damaged. Therefore, when a user chooses to purchase a range hood, the user pays more and more attention to the noise parameter of the range hood.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a range hood, it has reduced the noise that the range hood produced at the during operation effectively.

The technical problem is solved by the following technical scheme:

the utility model provides a range hood, includes fuselage, spiral case, keeps off cigarette board and air inlet net, the collection smoke chamber has in the fuselage, the spiral case sets up in collection smoke chamber, be provided with on the fuselage all with first air intake and the first air outlet of collection smoke chamber intercommunication, it sets up to keep off the cigarette board first air intake department, the air inlet net sets up keep off the cigarette board and deviate from one side of spiral case, the spiral case includes the casing, be provided with second air intake and second air outlet on the casing, the casing is provided with the side of second air intake is the air inlet side, the second air outlet with first air outlet intercommunication, keep off the cigarette board with it has the puigging to press from both sides between the air inlet side, the puigging encircles the week portion of second air intake.

Compared with the prior art, the range hood has the beneficial effects that: through setting up the puigging between cigarette board and spiral case to make the puigging with keep off the cigarette board and spiral case support tightly, and the puigging surrounds in the week portion of second air intake, can reduce the spiral case effectively and at the vibration that the during operation produced, thereby reduce the noise that the spiral case produced, puigging itself has certain syllable-dividing effect moreover, can reduce the noise that the spiral case produced by a wide margin.

In one embodiment, the air inlet net, the smoke baffle and the sound insulation layer are connected into a whole.

In one embodiment, the smoke baffle is connected with the air inlet net through a first fastener, and the sound insulation layer is bonded with the smoke baffle.

In one embodiment, the smoke baffle comprises a plate body and an air guide ring, the plate body is provided with a through hole communicated with the second air inlet, and the air guide ring surrounds the periphery of the through hole.

In one embodiment, a surrounding wall is arranged on one side of the board body close to the air inlet net, the surrounding wall is abutted against the air inlet net, and a sound insulation cavity is formed between the board body and the air inlet net.

In one embodiment, the smoke baffle plate is provided with a plurality of first reinforcing ribs at intervals, and the first reinforcing ribs are positioned at the connecting part of the surrounding wall and the plate body.

In one embodiment, the connection between the surrounding wall and the board body is formed by locally recessing the connection from the outside of the sound insulation cavity to the inside of the sound insulation cavity to form the first reinforcing rib.

In one embodiment, a first folded edge is arranged on the surrounding wall, a second folded edge is arranged on the wall of the smoke collection cavity adjacent to the first air inlet, and the first folded edge and the second folded edge are connected through a second fastener.

In one embodiment, the air inlet net is provided with an oil guide groove, and the oil guide groove is formed on the air inlet net in a punching mode.

In one embodiment, the lower end of the air inlet net is provided with a third folded edge, the third folded edge comprises a first plate body and a second plate body which are arranged at an included angle, and the oil guide groove is concavely arranged at the joint of the first plate body and the second plate body.

Drawings

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

fig. 2 is an exploded assembly view of the range hood according to the embodiment of the present invention;

FIG. 3 is a schematic view of the assembly of the smoke barrier and the silencing cotton according to the embodiment of the present invention;

fig. 4 is an assembly schematic view of a smoke baffle and a machine body according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an air inlet net according to an embodiment of the present invention.

Description of reference numerals:

1. a body; 11. a smoke collection cavity; 12. a first air inlet; 13. a first air outlet; 14. a second folded edge; 2. A volute; 21. a housing; 211. a second air inlet; 212. an air inlet side surface; 3. a smoke baffle; 31. a plate body; 311. a through hole; 32. a wind guide ring; 33. a surrounding wall; 34. a first reinforcing rib; 35. a first folded edge; 4. An air inlet net; 41. an oil guide groove; 42. thirdly, folding; 421. a first plate body; 422. a second plate body; 43. a fourth folded edge; 431. a third plate body; 432. a fourth plate body; 44. a second reinforcing rib; 5. a sound insulating layer; 6. a first panel; 7. a second panel; 8. a control element.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "rear", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

The terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 and fig. 2, the range hood of this embodiment includes a body 1, a volute 2, a smoke baffle 3, a partition and a smoke inlet net 4, a smoke collecting cavity 11 is provided in the body 1, the volute 2 is provided in the smoke collecting cavity 11, a first air inlet 12 and a first air outlet 13 both communicated with the smoke collecting cavity 11 are provided on the body 1, the smoke baffle 3 is provided at the first air inlet 12, the smoke inlet net 4 is provided at a side of the smoke baffle 3 departing from the volute 2, the volute 2 includes a casing 21, a second air inlet 211 and a second air outlet (not shown in the figure) are provided on the casing 21, a side of the casing 21 provided with the second air inlet 211 is an air inlet side 212, the second air outlet is communicated with the first air outlet 13, a sound insulation layer 5 is clamped between the smoke baffle 3 and the air inlet side 212, and the sound insulation layer 5 surrounds a peripheral portion of the second air inlet 211. Through setting up puigging 5 between keeping off cigarette board 3 and spiral case 2 to make puigging 5 with keep off cigarette board 3 and spiral case 2 and support tightly, and puigging 5 surrounds in the week portion of second air intake 211, can reduce the vibration that spiral case 2 produced at the during operation effectively, thereby reduce the noise that spiral case 2 produced, puigging 5 is made by sound-proof material moreover, has certain syllable-dividing effect, can reduce the noise that spiral case 2 produced by a wide margin.

Specifically, the soundproof layer 5 is soundproof cotton.

Illustratively, referring to fig. 2 and 3, the air intake screen 4, the smoke barrier 3, and the soundproof layer 5 are integrally connected. This design can make the cooperation of a plurality of spare parts inseparabler, and is difficult not hard up, can also simplify the installation operation, improves the packaging efficiency.

Specifically, keep off the cigarette board 3 and be connected through first fastener with air inlet net 4, puigging 5 bonds with keeping off cigarette board 3. Through bonding puigging 5 and cigarette board 3, need not to be connected through the fastener, can reduce the quantity of spare part and be convenient for install.

Further, referring to fig. 3, the smoke barrier 3 includes a plate body 31 and an air guiding ring 32, the plate body 31 is provided with a through hole 311 communicating with the second air inlet 211, and the air guiding ring 32 surrounds the periphery of the through hole 311. Specifically, the air guide ring 32 and the plate body 31 are integrally press-molded. This design need not to be fixed through the fastener, can reduce the spare part of lampblack absorber, reduce cost, the installation of being convenient for, but also can avoid the lampblack absorber at the during operation, and the fastener between 3 and the wind-guiding circle 32 of keeping off of the environment that is in the air that flows for a long time vibrates and drops, and the cooperation of keeping off cigarette board 3 and wind-guiding circle 32 is inseparabler.

Specifically, referring to fig. 2 and 3, a surrounding wall 33 is provided on one side of the panel body 31 close to the air inlet net 4, the surrounding wall 33 abuts against the air inlet net 4, and a sound insulation cavity is formed between the panel body 31 and the air inlet net 4. When the noise conveys to sound insulation intracavity portion, the noise can be in sound insulation chamber ability multiple reflection and offset partial noise, further reduces the noise of lampblack absorber, and at lampblack absorber during operation, the air that flows has certain impact to keeping off cigarette board 3 moreover, and sound insulation chamber can also improve the structural strength who keeps off cigarette board 3.

Preferably, referring to fig. 2 and 4, the smoke barrier 3 is provided with a plurality of first reinforcing ribs 34 at intervals, and the first reinforcing ribs 34 are located at the connection of the surrounding wall 33 and the plate body 31. Can further improve the structural strength who keeps off cigarette board 3 through setting up first strengthening rib 34, avoid keeping off cigarette board 3 and warp the damage.

Specifically, the junction of the surrounding wall 33 and the plate body 31 is provided with a first reinforcing rib 34 that is locally recessed from the outside of the soundproof chamber toward the inside of the soundproof chamber. The surrounding wall 33 and the plate body 31 are integrally bent and formed, the first reinforcing rib 34 is formed by local punch forming at the joint of the surrounding wall 33 and the plate body 31, and the formed first reinforcing rib 34 is arranged in the sound insulation cavity to play a role in improving the structural strength of the smoke baffle 3.

Further, a first folding edge 35 is arranged on the surrounding wall 33, a second folding edge 14 is arranged on the cavity wall of the smoke collection cavity 11 adjacent to the first air inlet 12, and the first folding edge 35 and the second folding edge 14 are connected through a second fastening piece. Specifically, a plurality of holes are formed in the first folded edge 35 at intervals, a plurality of threaded holes are formed in the second folded edge 14 corresponding to the holes, and screws penetrate through the holes in the first folded edge 35 to be connected with the threaded holes in the second folded edge 14, so that the air inlet net 4, the smoke baffle 3 and the sound insulation layer 5 are connected into a whole and installed at the first air inlet 12, and installation is simple.

For example, referring to fig. 2 and 5, the air inlet net 4 is provided with a plurality of oil guide grooves 41 at intervals, and the oil guide grooves 41 are punched and formed on the air inlet net 4. When oil smoke passes through the air inlet net 4, grease can be attached to the air inlet net 4 to achieve the effect of oil smoke separation. The grease attached to the air inlet net 4 can be guided into the oil collecting assembly by the oil guide groove 41.

Specifically, the lower extreme of air inlet net 4 is provided with third hem 42, and third hem 42 is including being first plate body 421 and the second plate body 422 that the contained angle set up, leads the sunken junction that sets up at first plate body 421 and second plate body 422 of oil groove 41. The oil guide groove 41 of this design not only can guide the flow direction of grease on the air inlet net 4, but also is formed with a convex structure at the position of the oil guide groove 41 at the side close to the smoke baffle 3 at the joint of the first plate body 421 and the second plate body 422, and can also play a role in strengthening the structural strength of the air inlet net 4.

Preferably, the upper end of the air inlet net 4 is provided with a fourth folded edge 43, the fourth folded edge 43 includes a third plate body 431 and a fourth plate body 432 which are arranged at an included angle, a local part of the joint of the third plate body 431 and the fourth plate body 432 is provided with a plurality of second reinforcing ribs 44, and the joint of the third plate body 431 and the fourth plate body 432 is recessed from a surface close to the first air inlet 12 and facing away from the first air inlet 12, so that the structural strength of the air inlet net 4 is further improved.

For example, referring to fig. 1, the first air inlet 12 is provided with a first panel 6 and a second panel 7 along a vertical direction, and the air inlet net 4 is located between the first panel 6 and the second panel 7. Specifically, the first panel 6 is located above the second panel 7, and the first panel 6 and the second panel 7 are used for the area of the first air inlet 12 except the air inlet net 4, so that the appearance of the range hood is attractive.

Further, a control element 8 is disposed on the first panel 6, and the control element 8 includes at least one of a control switch, an illumination spotlight and a circuit control board.

In the detailed description of the above embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the above technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The details of the foregoing embodiments are merely representative of several embodiments of the present invention, which are described in more detail and detail, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a range hood, includes fuselage (1), spiral case (2), keeps off cigarette board (3) and air inlet net (4), collection smoke chamber (11) have in fuselage (1), spiral case (2) set up in collection smoke chamber (11), be provided with on fuselage (1) all with first air intake (12) and first air outlet (13) of collection smoke chamber (11) intercommunication, keep off cigarette board (3) and set up first air intake (12) department, air inlet net (4) set up keep off cigarette board (3) and deviate from one side of spiral case (2), its characterized in that, spiral case (2) are including casing (21), be provided with second air intake (211) and second air outlet on casing (21), casing (21) are provided with the side of second air intake (211) is air inlet side (212), the second air outlet with first air outlet (13) intercommunication, keep off cigarette board (3) with there are tight layer of clamp (5) between air inlet side (212), the air inlet noise insulation layer (211) encircles the second air intake.

2. A range hood as set forth in claim 1, characterized in that said air intake screen (4), said smoke barrier (3) and said soundproof layer (5) are connected as a whole.

3. A range hood as claimed in claim 2, characterized in that the smoke baffle (3) is connected with the air intake net (4) by a first fastener, and the sound-proof layer (5) is bonded with the smoke baffle (3).

4. The range hood according to claim 1, wherein the smoke baffle (3) comprises a plate body (31) and an air guide ring (32), the plate body (31) is provided with a through hole (311) communicated with the second air inlet (211), and the air guide ring (32) surrounds the periphery of the through hole (311).

5. A range hood as claimed in claim 4, characterized in that a surrounding wall (33) is arranged on one side of the plate body (31) close to the air inlet net (4), the surrounding wall (33) is abutted against the air inlet net (4), and a sound insulation cavity is formed between the plate body (31) and the air inlet net (4).

6. A range hood according to claim 5, characterized in that, said smoke baffle (3) is provided with a plurality of first reinforcing ribs (34) at intervals, said first reinforcing ribs (34) are located at the junction of said enclosing wall (33) and said plate body (31).

7. A range hood according to claim 6, characterized in that the junction of the enclosing wall (33) and the plate body (31) is recessed from the outside of the sound-proof chamber towards the inside of the sound-proof chamber to form the first reinforcing rib (34).

8. A range hood as claimed in claim 5, characterized in that the enclosing wall (33) is provided with a first folded edge (35), the wall of the smoke collection chamber (11) is provided with a second folded edge (14) adjacent to the first air inlet (12), and the first folded edge (35) and the second folded edge (14) are connected by a second fastening member.

9. A range hood as claimed in claim 1, characterized in that the air intake net (4) is provided with an oil guide groove (41), the oil guide groove (41) is formed on the air intake net (4) in a punching manner.

10. A range hood as claimed in claim 9, wherein a third folded edge (42) is provided at the lower end of the air inlet net (4), the third folded edge (42) comprises a first plate body (421) and a second plate body (422) arranged at an included angle, and the oil guide groove (41) is concavely provided at the joint of the first plate body (421) and the second plate body (422).