CN218864283U

CN218864283U - Cooking fume exhauster

Info

Publication number: CN218864283U
Application number: CN202222873826.1U
Authority: CN
Inventors: 王潭; 唐兴旺
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-14
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a range hood, which comprises a box body, wherein the top wall of the box body is provided with an air outlet; the method is characterized in that: the oil guide plate is obliquely extended towards the inside of the box body from the edge of the air outlet. Under the attaches wall effect of oil smoke, can lead the box inner wall with the greasy dirt that the condensation was on leading the oiled-plate and from the greasy dirt that air outlet border department fell to along the box inner wall oil cup that flows into downwards, avoided the direct dropping of greasy dirt at box roof or air outlet border to the mesa of cupboard, do benefit to the clean and tidy that keeps the cupboard mesa, alleviateed user's cleaning work volume.

Description

Cooking fume exhauster

Technical Field

The utility model relates to an oil smoke purifier, especially a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The range hood works by utilizing the fluid dynamics principle and sucks and exhausts oil smoke through a centrifugal fan arranged in the range hood. The centrifugal fan comprises a volute, an impeller arranged in the volute and a motor driving the impeller to rotate. When the impeller rotates, negative pressure suction is generated in the center of the fan, oil smoke below the range hood is sucked into the fan, and is accelerated by the fan, collected by the volute and guided to be discharged outdoors.

The range hood still can divide into ceiling range hood and traditional range hood under the furred ceiling according to the fan subassembly setting on the furred ceiling, and range hood is including the collection petticoat pipe, and the roof of collection petticoat pipe is equipped with the air outlet, and to the ceiling cigarette machine, the air outlet department of collection petticoat pipe is provided with the connecting pipe of even ventilation blower subassembly, and after range hood long-term use, the oil of condensation on the connecting pipe wall can be along the direct mesa of dropping the cupboard in air outlet border under the action of gravity.

If chinese utility model patent 'a range hood' of bulletin number CN216521865U (application number 202122675881.5) discloses including collection petticoat pipe and fan subassembly, seted up the air intake on the collection petticoat pipe, the fan subassembly includes the fan system, and the fan system is used for installing in the furred ceiling in kitchen, is provided with the connecting tube between fan subassembly and the collection petticoat pipe. The utility model discloses an in, the air intake (also be the air outlet) sets up on the roof of collection petticoat pipe (box), after range hood uses for a long time, the oil that the condensation on the connecting tube pipe wall drips directly along the air outlet border on the mesa of cupboard, has increased user's cleaning load.

For the traditional range hood, the fan assembly comprises a fan frame arranged above the smoke collecting hood and a centrifugal fan arranged in the fan frame, the top wall of the fan frame is provided with an air outlet, a volute of the centrifugal fan is connected to the air outlet of the top wall of the fan frame, after the range hood is used for a long time, the top wall of the fan frame can also form condensed oil, and the condensed oil can also directly drip on a table top of a cabinet from the top wall of the fan frame under the action of gravity.

For example, in chinese utility model patent publication No. CN217002403U (application No. 202220053017.3), a fan frame assembly and a range hood for a range hood, the disclosed fan frame assembly includes an air outlet plate covered on the top of the fan frame and the fan cover, and the air outlet plate is also in a shape of a small front and a large rear and is adapted to the shape of the fan frame and the fan cover. The utility model discloses an in, fan system sets up in fan frame (box), and the air outlet department on the air outlet board (the roof of box) is connected to the spiral case, uses the back for a long time at range hood, and the oil of air outlet board goes up the oil droplet of condensation and can directly drip on the mesa of cupboard, has increased user's cleaning load.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can guide greasy dirt along the range hood of box inner wall downflow is provided.

The utility model provides a technical scheme that technical problem adopted does: a range hood comprises

The top wall of the box body is provided with an air outlet;

the method is characterized in that: also comprises

And the oil guide plate extends from the edge of the air outlet to the inside of the box body in an inclined mode.

For doing benefit to the shaping of leading the oiled-plate, as preferred, it extends to form to incline towards the box by the border of air outlet to lead the oiled-plate, so, leads oiled-plate and box roof and is integrated into one piece spare, and the box roof is the sheet metal component usually, leads the oiled-plate through bending formation, does benefit to the shaping of leading the oiled-plate promptly, also does benefit to the intensity that improves the box roof.

To facilitate the formation of the oil deflector, it is preferable that the oil deflector includes a vertical portion and an inclined portion from top to bottom. The box roof is the sheet metal component usually, and earlier vertical bending is the slope again and is bent and more be favorable to leading the shaping of oiled-plate, and simultaneously, the border and the rake of air outlet are connected to vertical portion, and the greasy dirt inclines downwards again after vertical one section distance that flows downwards earlier, for the greasy dirt slope provides the buffer space downwards, more is favorable to leading the box inner wall with the greasy dirt.

In order to improve the oil guide and simultaneously facilitate the forming of the oil guide plate, the air outlet is rectangular, and the oil guide plate is arranged on the left side edge and/or the right side edge of the air outlet.

Preferably, the case includes:

the lower box body is provided with an air inlet for oil smoke to enter;

the upper box body is arranged above the lower box body and is communicated with the lower box body through fluid and comprises a top plate, and an air outlet is formed in the top plate.

Preferably, it also comprises

The fan system is arranged above the upper box body and is provided with a suction inlet;

the connecting pipeline is communicated with the air outlet of the upper box body and the air inlet of the fan system, so that the range hood is a ceiling range hood.

The setting mode of going up the box has the multiple, as preferred, go up the box and still include the curb plate that sets up along the left and right sides direction interval, connect the back plate of both sides board, the apron relative with the back plate, curb plate, back plate and apron inject the cavity jointly, the roof setting in the cavity and with the interior wall connection of last box corresponding position department, so, go up the box and wholly be squarely, can reduce the degree of depth of going up the box under the condition that the through-flow area equals for the front side of going up the box has more spaces, does benefit to the setting of cupboard, increases storing space.

In order to facilitate the connection of the top plate and the inner wall of the corresponding position of the upper box body, preferably, the front side edge of the top plate extends downwards to form a mounting edge, and the mounting edge is detachably connected with the cover plate; the left side border, the right side border of roof all upwards extend and form the first connection limit with both sides inboard wall connection, the back side border of roof upwards extends and forms the second connection limit with back plate inner wall connection.

In order to facilitate the installation of the connecting pipeline on the upper box body, preferably, an adapter piece for communicating the connecting pipeline and the upper box body is arranged between the connecting pipeline and the upper box body, and the adapter piece is positioned in the cavity and placed on the top plate.

In order to improve the firmness between the adaptor and the upper box body, preferably, the second connecting edge extends forwards to form a turned edge, and a notch with a forward opening is formed in the turned edge; the adapter comprises a base placed on the top plate and a connecting pipe arranged above the base, and reinforcing ribs inserted in the notches are arranged at positions of the base and the connecting pipe corresponding to the flanges at least.

Compared with the prior art, the utility model has the advantages of: the box roof has the air outlet, slope towards the box in from the border of air outlet and extend and have the oil guide plate, under the attaches wall effect of oil smoke, can be with condensation greasy dirt on the oil guide plate and the greasy dirt direction box inner wall that falls down from air outlet border to flow in the oil cup downwards along the box inner wall, avoided the greasy dirt at box roof or air outlet border directly to drip on the mesa of cupboard, do benefit to the clean and tidy of keeping the cupboard mesa, lightened user's cleaning work volume.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is a cross-sectional view of an embodiment of the present invention.

Fig. 4 is an enlarged view of the point i in fig. 3.

Fig. 5 is a schematic structural diagram of an upper box in an embodiment of the present invention.

Fig. 6 is an exploded view of the upper case according to the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an upper box top plate in an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of an adaptor according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Referring to fig. 1 to 8, a preferred embodiment of the present invention is shown, and the range hood includes a box 10, an oil guide plate 3, a fan system 4, a connecting pipe 5 and an adaptor 6.

The casing 10 includes a lower casing 1 and an upper casing 2 disposed above the lower casing 1. The upper box body 2 is in fluid communication with the lower box body 1, and the lower box body 1 is provided with an air inlet 11 for oil smoke to enter. The upper box body 2 comprises a top plate 2d, side plates 2a arranged at intervals along the left-right direction, a rear plate 2b connecting the two side plates 2a and a cover plate 2c opposite to the rear plate 2b, the side plates 2a, the rear plate 2b and the cover plate 2c jointly define a cavity 20, and the top plate 2d is arranged in the cavity 20 and connected with the inner wall of the corresponding position of the upper box body 2. The top plate 2d is provided with a rectangular air outlet 21. The front side edge of the top plate 2d extends downwards to form a mounting edge 2d1, the mounting edge 2d1 is detachably connected with the cover plate 2c, and in this embodiment, the mounting edge 2d1 is connected with the cover plate 2c through a screw. The left side edge and the right side edge of the top plate 2d both extend upwards to form a first connecting edge 2d2 connected with the inner walls of the two side plates 2a, and the rear side edge of the top plate 2d extends upwards to form a second connecting edge 2d3 connected with the inner wall of the rear plate 2 b. The first connecting edge 2d2 and the second connecting edge 2d3 are respectively welded and fixed with the two side plates 2a and the rear plate 2 b. The second connecting edge 2d3 extends forwards to form a flange 2d4, and a notch 2d5 with a forward opening is formed in the flange 2d 4.

The oil guide plate 3 is formed by extending the edge of the air outlet 21 obliquely towards the inside of the box body 1 and comprises a vertical part 31 and an inclined part 32 from top to bottom. The oil guide plates 3 are arranged on the left and right side edges and the front and rear side edges of the air outlet 21.

The fan system 4 is provided above the upper case 2 and has a suction port 41.

The connecting pipe 5 is communicated with the upper box body air outlet 21 and the fan system suction inlet 41.

The adaptor 6 is arranged between the connecting pipe 5 and the upper box 2 and communicated with the connecting pipe 5 and the upper box 2, and the adaptor 6 is positioned in the cavity and rests on the top plate 2 d. The base 61 and the connecting pipe 62 are provided with a reinforcing rib 63 inserted in the notch 2d5 at least at the position corresponding to the flanging 2d 4.

Claims

1. A range hood comprises

A box body (10) with an air outlet (21) on the top wall;

the method is characterized in that: also comprises

The oil guide plate (3) extends towards the interior of the box body (10) from the edge of the air outlet (21) in an inclined mode, the oil guide plate (3) is formed by extending towards the interior of the box body (10) from the edge of the air outlet (21) in an inclined mode, and the oil guide plate comprises a vertical portion (31) and an inclined portion (32) from top to bottom.

2. The range hood of claim 1, wherein: the air outlet (21) is rectangular, and the oil guide plates (3) are arranged on the left side edge and the right side edge and/or the front side edge and the rear side edge of the air outlet (21).

3. The range hood according to any one of claims 1 to 2, wherein: the case (10) includes:

the lower box body (1) is provided with an air inlet (11) for oil smoke to enter;

go up box (2), set up in the top of box (1) down and with box (1) fluid intercommunication down, including roof (2 d), air outlet (21) have been seted up on roof (2 d).

4. The range hood of claim 3, wherein: also comprises

A fan system (4) which is arranged above the upper box body (2) and is provided with a suction inlet (41);

and the connecting pipeline (5) is communicated with the air outlet (21) of the upper box body and a suction inlet (41) of the fan system.

5. The range hood of claim 4, wherein: go up box (2) and still include curb plate (2 a) that set up along left right direction interval, back plate (2 b) of connecting both sides board (2 a), apron (2 c) relative with back plate (2 b), cavity (20) are injectd jointly to curb plate (2 a), back plate (2 b) and apron (2 c), roof (2 d) set up in cavity (20) and with last box (2) correspond the inner wall connection of position department.

6. The range hood of claim 5, wherein: the front side edge of the top plate (2 d) extends downwards to form a mounting edge (2 d 1), and the mounting edge (2 d 1) is detachably connected with the cover plate (2 c); the left side border of roof (2 d), right side border all upwards extend and form first connection limit (2 d 2) with both sides board (2 a) inner wall connection, the back side border of roof (2 d) upwards extends and forms second connection limit (2 d 3) with back plate (2 b) inner wall connection.

7. The range hood of claim 6, wherein: an adapter (6) for communicating the connecting pipeline (5) with the upper box body (2) is arranged between the connecting pipeline (5) and the upper box body (2), and the adapter (6) is located in the cavity (20) and is placed on the top plate (2 d).

8. The range hood of claim 7, wherein: the second connecting edge (2 d 3) extends forwards to form a flanging (2 d 4), and a notch (2 d 5) with a forward opening is formed in the flanging (2 d 4); the adapter (6) comprises a base (61) placed on the top plate (2 d) and a connecting pipe (62) arranged above the base (61), and the base (61) and the connecting pipe (62) are at least provided with a reinforcing rib (63) inserted in the notch (2 d 5) at the position corresponding to the flanging (2 d 4).