CN216790303U

CN216790303U - Fume exhaust fan

Info

Publication number: CN216790303U
Application number: CN202123110938.3U
Authority: CN
Inventors: 董冰哲; 齐微微; 张君; 俞科达
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-06-21
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a range hood, which comprises a shell, wherein an air inlet is formed in the front side of the shell, the range hood also comprises a smoke baffle assembly capable of opening and closing the air inlet, the smoke baffle assembly comprises a first smoke baffle matched with the air inlet, and the range hood is characterized in that: the smoke baffle assembly also comprises a second smoke baffle which is superposed with the first smoke baffle and is linked with the first smoke baffle; when the smoke baffle assembly closes the air inlet, the second smoke baffle is contracted at one side of the first smoke baffle, which faces the shell; when keeping off cigarette board subassembly and opening the air intake, the second keeps off the lower extreme of the first cigarette board of width direction roll-off of cigarette board subassembly along keeping off cigarette board subassembly downwards to increase cigarette board subassembly's width, the width direction of keeping off cigarette board subassembly is for keeping off the cigarette board subassembly and be close to the one end on the air intake edge and the direction between the free end of upset forward.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil fume purification device, in particular to a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The side-draft range hood absorbs most of oil smoke close to a cooking bench in an arc form by using a vortex air pressure principle, so that adverse effects on human health can be reduced, and the suction effect of a power source is basically not reduced because the power source is close to the cooking bench.

Chinese utility model patent of application number 202022717611.1 discloses a range hood, including casing and the panel of setting in the casing front side, seted up the air intake on the panel, range hood still includes lighting device and can overturn and open or close the fender cigarette board of air intake, its characterized in that: the lighting device is connected with the smoke baffle plate so as to be positioned at a first position along with the opening of the smoke baffle plate and at a second position along with the closing of the smoke baffle plate, and when the lighting device is positioned at the first position, the lighting device is positioned at the outer side of the shell, and the irradiation direction of the lighting device faces downwards; in the second position, the lighting device is positioned inside the shell to be hidden.

As shown in the above patent, the air inlet of the existing side-suction range hood is determined by the width of the smoke baffle, the size of the air inlet is limited by the size of the smoke baffle, the width of the smoke baffle is fixed, and the smoke collection range is limited.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a range hood, aiming at the defects existing in the prior art, wherein the width of the smoke baffle plate can be extended and contracted, so that the smoke collection range can be expanded when the range hood is opened, and the smoke suction effect is improved.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a range hood, includes the casing, the front side of casing is formed with the air intake, range hood still includes the cigarette board subassembly that keeps off that can open and close the air intake, keep off the cigarette board subassembly include with the first cigarette board that keeps off of air intake adaptation, its characterized in that: the smoke baffle assembly also comprises a second smoke baffle which is superposed with and linked with the first smoke baffle;

when the smoke baffle assembly closes the air inlet, the second smoke baffle is contracted at one side of the first smoke baffle facing the shell;

when the air inlet is opened to the cigarette board blocking assembly, the second cigarette board blocking assembly slides out of the lower end of the first cigarette board blocking assembly downwards along the width direction of the cigarette board blocking assembly, so that the width of the cigarette board blocking assembly is increased, and the width direction of the cigarette board blocking assembly is the direction between one end, close to the upper edge of the air inlet, of the cigarette board blocking assembly and the free end overturned forwards.

In order to facilitate the linkage of the first smoke baffle and the second smoke baffle of driving, the range hood further comprises a motion mechanism for driving the smoke baffle component to move, the motion mechanism comprises a driving mechanism, a transmission mechanism, a flexible part and a guide mechanism, the transmission mechanism is used for transmitting the output of the driving mechanism to the first smoke baffle, the guide mechanism comprises a first slide rail and a second slide rail which are in sliding fit, the first slide rail is fixed on one side of the first smoke baffle facing the inside of the shell, the second slide rail is fixed on one side of the second smoke baffle facing the outside of the shell, one end of the flexible part is fixed on the opposite shell, and the other end of the flexible part is used for driving the second slide rail.

In order to facilitate the second smoke baffle to be unfolded through the flexible part, the movement mechanism further comprises a lever arranged on one side of the first smoke baffle facing the shell, the lever is provided with a first end and a second end which are opposite in the length direction, a sliding groove is formed in the lever, and the extending direction of the sliding groove is consistent with the length extending direction of the lever; the first cigarette baffle is provided with the fixed column towards one side in the casing, the fixed column is arranged in the spout, can make the lever pass through the relative fixed column of spout slip and rotate from this, the axis of rotation of lever extends along the fore-and-aft direction, the first end and the second sliding rail of lever are connected, the second end and the flexible member of lever are connected, thereby the lever keeps pulling the second sliding rail and drives the second cigarette baffle and reset the trend of shrink one side position in first cigarette baffle orientation casing.

In order to facilitate the contraction and the reset of the second smoke baffle, the moving mechanism further comprises an elastic part, two ends of the elastic part are respectively connected with the first smoke baffle and the lever, and the joint of the elastic part and the lever is located between two positions where the lever is respectively connected with the second slide rail and the fixed column.

Preferably, the flexible member is a pull cord.

Preferably, to facilitate connection of the end of the flexible member, the movement mechanism further comprises a bracket fixed within the housing, one end of the flexible member being fixed relative to the housing by connection with the bracket.

Preferably, the second baffle is smaller in width than the first baffle to avoid the need for a large driving force and to avoid obstructing the view when deployed.

Compared with the prior art, the utility model has the advantages that: the smoke baffle plate assembly which can be expanded and contracted in the width direction meets the requirement of flattening the front side of the air inlet in a closed state, can increase the whole width in an open state, and expands the smoke gathering range, so that the oil smoke absorption effect is improved; through making first fender cigarette board and second fender cigarette board linkage, can reduce actuating mechanism's setting, reduce cost can also simplify the structure.

Drawings

Fig. 1 is a schematic view of a range hood according to an embodiment of the present invention in a closed state;

fig. 2 is a partial structural schematic view of the range hood of fig. 1;

FIG. 3 is an enlarged view of a portion I of FIG. 2;

fig. 4 is a schematic view of an open state of the range hood according to the embodiment of the present invention;

fig. 5 is a partial structural schematic view of the range hood of fig. 4;

FIG. 6 is an enlarged view of portion II of FIG. 5;

fig. 7 is a schematic view of a guide mechanism of a smoke barrier assembly according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships illustrated in the drawings for the purposes of convenience in describing the utility model and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, construction and operation, and that the disclosed embodiments of the utility model are arranged in different orientations, so that the directional terms are exemplary only and are not to be construed as limiting, e.g., "upper," "lower than," and the same, "" lower than, "etc., where the same, and the same than the like in the same than the other than the same than the other than the same in the same than the same in the same than in the same direction of the same, "lower" is not necessarily limited to a direction opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 4 and 7, a side-draft range hood includes a housing 1 and a smoke baffle assembly, an air inlet 11 is formed at the front side of the housing 1, and the smoke baffle assembly can open and close the air inlet 11 and includes a first smoke baffle 21 and a second smoke baffle 22. For convenience of illustration, in fig. 1, only a part of the structure of the range hood is shown, a panel may be generally disposed on the front side of the housing 1, the air inlet 11 is disposed on the panel, and the size of the air inlet 11 is adapted to the first smoke baffle 21. The first smoke baffle 21 and the second smoke baffle 22 are superposed, and in the closed state, the second smoke baffle 22 is positioned on one side of the first smoke baffle 21 facing the inside of the shell 1, and the width of the second smoke baffle 22 is smaller than that of the first smoke baffle 21.

The range hood further comprises a movement mechanism for driving the smoke baffle assembly to move, and in the embodiment, the movement mechanism drives the first smoke baffle 21 and the second smoke baffle 22 to be linked, so that the structure is simplified. The moving mechanism includes a driving mechanism 31, a transmission mechanism 32 for transmitting an output of the driving mechanism 31 to the first smoke barrier 21, an elastic member 33, a flexible member 34, and a lever 35. The first smoke barrier 21 may be directly connected to the moving mechanism, or a smoke barrier support 211 may be disposed on one side facing the inside of the housing 1, and connected to the moving mechanism through the smoke barrier support 211, and the transmission mechanism 32 is connected to the smoke barrier support 211. The driving mechanism 31 and the transmission mechanism 32 can be implemented by the prior art, for example, in the embodiment, the driving mechanism 31 is an electric push rod, and the transmission mechanism 32 is a connecting rod assembly. Thus, the driving mechanism 31 can drive the first smoke barrier 21 to turn over relative to the housing 1 through the transmission mechanism 32.

The lever 35 is disposed on the first smoke barrier 21 on the side facing the inside of the housing 1, such as on the smoke barrier support 211, and the lever 35 has a first end 351 and a second end 352 opposite to each other in the length direction. The cigarette blocking plate support 211 is provided with a fixing column 37, the lever 35 is provided with a sliding chute 353, the extending direction of the sliding chute 353 is consistent with the length extending direction of the lever 35, the fixing column 37 is arranged in the sliding chute 353, therefore, the lever 35 can slide and rotate relative to the fixing column 37 through the sliding chute 353, and the rotating axis of the lever 35 extends along the front-back direction. The length of the chute 353 is smaller than the length of the lever 35.

The moving mechanism further comprises a guiding mechanism, the guiding mechanism comprises a first sliding rail 361 and a second sliding rail 362 which are in sliding fit, wherein the first sliding rail 361 is fixed on one side of the first smoke baffle 21 facing the inside of the casing 1, and the second sliding rail 362 is fixed on one side of the second smoke baffle 22 facing the outside of the casing 1. The two slide rails and the corresponding smoke baffle plates can be fixed in an adhesive mode. The first end 351 of the lever 35 is connected to the second slide 362.

The two ends of the elastic element 33 are respectively connected with the first smoke barrier 21 and the lever 35, one end of the elastic element 33 can be connected with the smoke barrier bracket 211, and the joint of the other end and the lever 35 is located between two positions where the lever 35 is respectively connected with the second slide rail 362 and the fixed column 37. Preferably, the elastic member 33 is a spring.

The flexible element 34 is in this embodiment an elongated linear element, such as a pull cord, one end of the flexible element 34 is connected to the second end 352 of the lever 35, and the other end of the flexible element 34 is directly or indirectly fixed to the housing 1, e.g. in this embodiment the movement mechanism further comprises a bracket 38 fixed inside the housing 1, the flexible element 34 being connected to the bracket 38.

Through set up flexible piece 34 between guiding mechanism and casing 1, can drive second slide rail 362 and make second cigarette board 21 stretch out first cigarette board 21 when first cigarette board 21 is opened by the drive, through setting up elastic component 33, can drive second slide rail 362 and make second cigarette board 21 withdraw first cigarette board 21 rear side in order hiding when first cigarette board 21 is closed by the drive.

Specifically, referring to fig. 4 to 6, when the driving mechanism 31 drives the first smoke barrier 21 to open, the elastic member 33 is compressed, and under the action of the flexible member 34, the lever 35 is pulled to slide and rotate around the fixing post 37, so as to drive the second smoke barrier 22 to slide along the first smoke barrier 21, thereby increasing the total width of the smoke barrier assembly, where the sliding direction is the width direction of the smoke barrier assembly, i.e. the width direction is the direction between one end of the smoke barrier assembly near the upper edge of the air inlet 11 and the free end of the smoke barrier assembly turning forward, as shown by the arrow in fig. 4.

Referring to fig. 1 to 3, when the driving mechanism 31 drives the first smoke barrier 21 to close, the flexible member 34 is gradually tensioned, and under the action of the elastic member 33, the lever 35 is pulled to slide and rotate around the fixed post 37, so as to drive the second smoke barrier 22 to slide along the first smoke barrier 21, and the second smoke barrier 22 is reset to an initial position completely hidden at one side of the first smoke barrier 21 facing the inside of the housing 1.

Therefore, the hiding of the second smoke baffle 22 in the closed state is satisfied, the whole width can be increased in the open state, and the smoke gathering range is expanded.

Claims

1. The utility model provides a range hood, includes casing (1), the front side of casing (1) is formed with air intake (11), range hood is still including opening and closing the cigarette board subassembly that keeps off of air intake (11), keep off the cigarette board subassembly include with first cigarette board (21) that keep off of air intake (11) adaptation, its characterized in that: the smoke baffle assembly also comprises a second smoke baffle (22) which is overlapped and linked with the first smoke baffle (21);

when the smoke baffle assembly closes the air inlet (11), the second smoke baffle (22) is contracted at one side of the first smoke baffle (21) facing the inside of the shell (1);

when the air inlet (11) is opened to the cigarette board blocking assembly, the second cigarette board blocking assembly (22) downwards slides out of the lower end of the first cigarette board blocking assembly (21) along the width direction of the cigarette board blocking assembly, so that the width of the cigarette board blocking assembly is increased, and the width direction of the cigarette board blocking assembly is the direction between one end, close to the upper edge of the air inlet (11), of the cigarette board blocking assembly and the free end overturned forwards.

2. The range hood of claim 1, wherein: range hood still includes the motion that is used for the drive to keep off the motion of cigarette board subassembly, motion includes actuating mechanism (31), is used for transmitting drive mechanism (31) output to drive mechanism (32), flexible piece (34) and the guiding mechanism of first cigarette board (21) that keeps off, guiding mechanism includes sliding fit's first slide rail (361) and second slide rail (362), one side in first cigarette board (21) orientation casing (1) is fixed in first slide rail (361), second slide rail (362) are fixed in second cigarette board (22) one side outside towards casing (1), the relative casing (1) of one end of flexible piece (34) is fixed, the other end of flexible piece (34) is used for driving second slide rail (362).

3. The range hood of claim 2, wherein: the moving mechanism further comprises a lever (35) arranged on one side, facing the inside of the shell (1), of the first smoke baffle (21), the lever (35) is provided with a first end (351) and a second end (352) which are opposite to each other in the length direction, a sliding groove (353) is formed in the lever (35), and the extending direction of the sliding groove (353) is consistent with the length extending direction of the lever (35); one side of the first smoke baffle (21) facing the inside of the shell (1) is provided with a fixed column (37), the fixed column (37) is arranged in a sliding groove (353), so that a lever (35) can slide and rotate relative to the fixed column (37) through the sliding groove (353), the rotation axis of the lever (35) extends along the front-back direction, a first end (351) of the lever (35) is connected with a second sliding rail (362), a second end (352) of the lever (35) is connected with a flexible piece (34), and the lever (35) keeps pulling the second sliding rail (362) to drive the second smoke baffle (22) to return to the trend of contracting at the position of the first smoke baffle (21) facing the inside of the shell (1).

4. The range hood of claim 3, wherein: the movement mechanism further comprises an elastic piece (33), two ends of the elastic piece (33) are respectively connected with the first smoke baffle (21) and the lever (35), and the connection position of the elastic piece (33) and the lever (35) is located between two positions where the lever (35) is respectively connected with the second sliding rail (362) and the fixed column (37).

5. The range hood according to any one of claims 2 to 4, wherein: the flexible member (34) is a pull rope.

6. The range hood according to any one of claims 2 to 4, wherein: the movement mechanism further comprises a support (38) fixed in the shell (1), and one end of the flexible piece (34) is fixed relative to the shell (1) through being connected with the support (38).

7. The range hood according to any one of claims 1 to 4, wherein: the width of the second smoke baffle (22) is smaller than that of the first smoke baffle (21).