CN210772387U

CN210772387U - Fume exhaust fan

Info

Publication number: CN210772387U
Application number: CN201921785681.1U
Authority: CN
Inventors: 冯展翊; 邓志敏; 王宏; 孔祥凯; 庞宗莉; 冯圆通; 张皓坤; 孔凡阳
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-16
Anticipated expiration: 2029-10-22

Abstract

The utility model provides a range hood, include: a volute having an opening provided thereon; the wind wheel is rotatably arranged inside the volute; the cleaning table is used for connecting a cleaning piece and has a cleaning state which passes through the opening and is close to the wind wheel under the action of power; and a non-cleaning state exiting the volute through the opening. Range hood is behind self-cleaning function, some remaining greasy dirt mixtures on the blade, the clean bench can pass through the opening on the spiral case under the power action, the cleaning member contacts the wind wheel blade, take place rotatoryly when the wind wheel, cleaning member and wind wheel blade relative motion and take place the friction, erase remaining greasy dirt or the mixture of cleaning solution and greasy dirt on the wind wheel blade, the cleaning member carries out effectual supplementary cleanness to the wind wheel, after finishing cleaning, the clean bench leaves the spiral case from the opening part, such setting has overcome or has alleviateed at least among the prior art range hood self-cleaning back greasy dirt remaining defect, make the fan clean effect better.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to range hood.

Background

With the improvement of living standard of people, the range hood becomes an indispensable kitchen ware in a kitchen. The basic functions of the range hood on the market at present meet the daily use requirements of consumers, and low noise, self-cleaning and the like become more important reference indexes for the consumers to choose the range hoods.

In the prior art, the self-cleaning of the range hood is divided into three modes of steam washing, oil stain heating and soaking washing, wherein the steam washing mainly comprises a water pump and a steam engine, water is pumped by the water pump firstly, the steam engine heats water into steam, and the steam is sprayed out from a nozzle and washes the interior of the range hood; the oil stain is thermalized mainly by heating parts such as a volute or a wind wheel to a melting point at which the oil stain can be melted, so that the oil stain is melted and automatically flows out of the interior of a smoke machine to realize self-cleaning; the soaking and washing is realized by immersing a part of the wind wheel in the cleaning solution and then rotating the wind wheel for washing. The cleaning mode through soaking makes the detergent fully contact with the oil stain, soften and clean.

In the above-mentioned technique, for preventing that washing liquid or washing water from splashing, the dynamics of washing and scouring can be controlled, and the heating temperature and the heating time of the mode of thermalizing greasy dirt receive range hood and locate domestic environment's restriction, and like this after automatically cleaning, still can remain some melted oil or the mixture of cleaning fluid and oil on range hood's blade, can be attached to on the blade after the drying.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming or at least lightening the remaining defect of greasy dirt behind the range hood automatically cleaning among the prior art to a range hood is provided.

The utility model provides a range hood, a serial communication port, include: a volute having an opening provided thereon; the wind wheel is rotatably arranged inside the volute;

the cleaning table is used for connecting a cleaning piece and has a cleaning state which passes through the opening and is close to the wind wheel under the action of power; and a non-cleaning state exiting the volute through the opening.

The opening part is provided with the switch baffle which can be opened or closed relative to the opening.

The switch baffle and the inner side wall of the volute are provided with elastic pieces, and the elastic pieces are used for limiting the switch baffle to move to the outer side of the volute.

The switch baffle includes: a first baffle and a second baffle disposed opposite each other.

The inner surfaces of the first and second baffles are disposed continuously with the inner surface of the volute.

The volute is provided with a sliding groove at a position corresponding to the opening, and the switch baffle can slide relative to the sliding groove and open or close the opening.

The wash station includes: the bracket is used for connecting the cleaning piece.

And the driving rod is used for driving the bracket to move close to or away from the wind wheel.

The support includes: the connecting part is barrel-shaped, and one end of the connecting part is fixedly connected with the driving rod;

the clamping part is fixedly connected with the other end of the connecting part, and the clamping part is detachably connected with the cleaning piece and is clamped and fixed.

The clamping part comprises a bottom plate fixedly connected with the connecting part, and two L-shaped limiting parts which are arranged oppositely are arranged at the edge of the bottom plate.

One end of the bottom plate, which is far away from the cleaning piece, is provided with a butting part, and the butting part is suitable for limiting the cleaning piece to be separated from the inside of the clamping part.

The driving rod comprises a fixed part and a movable part, the movable part is connected with the connecting part, and a driving motor for driving the movable part is arranged inside the fixed part.

A fixing frame is connected between the fixing part and the outer side wall of the volute.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a range hood, include: a volute having an opening provided thereon; the wind wheel is rotatably arranged inside the volute; the cleaning table is used for connecting a cleaning piece and has a cleaning state which passes through the opening and is close to the wind wheel under the action of power; and a non-cleaning state exiting the volute through the opening.

After the range hood is self-cleaning, some residual greasy dirt or greasy dirt mixture remains on the blade of range hood, the clean bench can pass through the opening on the spiral case under the power action, the cleaning piece on the clean bench contacts the wind wheel blade, the wind wheel inside the spiral case rotates, the relative motion and the friction of the cleaning piece and the wind wheel blade occur, residual greasy dirt or cleaning solution and greasy dirt mixture on the wind wheel blade is erased, the cleaning piece effectively supplements and cleans the wind wheel of contact, after cleaning is finished, the clean bench leaves the spiral case from the opening, the arrangement overcomes the defect that the greasy dirt remains after the range hood is self-cleaned in the prior art at least, the cleaning effect of the fan is better, and the use effect and the service life of the range hood are improved.

2. The utility model provides a pair of range hood, the opening part be equipped with by switch baffle, switch baffle can be relative the opening is opened or is closed.

The cleaning table does not enter the volute before and after cleaning, the volute is provided with an opening, air outlet or air suction openings can be increased, negative effects are caused on the air speed and the air quantity of the fan when the range hood works, the switch baffle is arranged, the opening is shielded and opened when the cleaning table works, the influences are reduced, and the working requirements of the device are met.

3. The utility model provides a pair of range hood, the switch baffle with the spiral case inside wall is provided with the elastic component, the elastic component is used for the restriction the switch baffle motion extremely the spiral case outside.

The setting of elastic component on the one hand connect switch baffle and spiral case lateral wall, prevent that the switch baffle from breaking away from the spiral case inside wall, and carry out spacingly to the motion of switch baffle, and restriction switch baffle moves to the spiral case outside, and on the other hand, the elastic component can make the automatic opening position that kick-backs of switch baffle after the clean spiral case that finishes of clean platform leaves.

4. The utility model provides a pair of range hood, the internal surface of first baffle and second baffle with the internal surface of spiral case sets up in succession.

The inner side surface of the volute is a curved surface with variable curvature, the inner surface of the switch baffle plate and the inner surface of the volute are continuously arranged, and the inner surface of the volute is the same as the inner surface without the opening, so that the negative influence of increasing the opening of the volute on the wind speed and the wind quantity of the fan when the range hood works is avoided.

5. The utility model provides a pair of range hood, wherein the support includes: the connecting part is barrel-shaped, and one end of the connecting part is fixedly connected with the driving rod; the clamping part is fixedly connected with the other end of the connecting part, and the clamping part is detachably connected with the cleaning piece and is clamped and fixed.

The support is fixed with actuating lever and cleaning member respectively, and cleaning member and impeller contact and wash the impeller, need change after cleaning member multiple operation, can pull down the cleaning member of renewal with cleaning member, and clean effect is better, and the clean platform can use for a long time, has reduced user use cost, extension fixture's life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic structural view of the range hood shown in fig. 1 at another angle;

fig. 3 is a schematic structural view of a cleaning platform and a driving rod in the range hood shown in fig. 1;

FIG. 4 is a schematic structural view of a cleaning platform and a driving rod of the range hood shown in FIG. 3;

FIG. 5 is a schematic structural view of a cleaning member in the range hood shown in FIG. 1;

description of reference numerals:

1-a volute; 2-wind wheel; 3-a cleaning table; 4-cleaning the part; 11-opening; 12-a switch flap; 13-an elastic member; 121-a first baffle; 122-a second baffle; 31-a drive rod; 32-a connecting portion; 33-an engaging portion; 331-a base plate; 34-a limiting part; 35-an abutment portion; 311-a fixed part; 312 — active portion.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 5, the present embodiment provides a range hood, including: a volute 1 provided with an opening 11; the wind wheel 2 is rotatably arranged inside the volute 1; the cleaning table 3 is connected with the cleaning piece 4, and the cleaning table 3 has a cleaning state which passes through the opening 11 and is close to the wind wheel 2 under the action of power; and a non-cleaning state leaving the volute 1 through the opening 11.

In the present embodiment, the opening 11 on the volute 1 is arranged on the lower side of the surrounding plate of the volute 1, and the opening 11 is a square opening 11.

After the range hood is self-cleaned, some residual oil stains or oil stain mixtures remain on the blades of the range hood, the cleaning platform 3 can pass through the opening 11 on the volute 1 under the action of power, the cleaning piece 4 on the cleaning platform 3 contacts with the blades of the wind wheel 2, when the wind wheel 2 inside the volute 1 rotates, the cleaning piece 4 moves relative to the blades of the wind wheel 2 and rubs, the residual oil stains or cleaning liquid and oil stain mixtures on the blades of the wind wheel 2 are erased, the cleaning piece 4 effectively supplements and cleans the contacted wind wheel 2, after cleaning is finished, the cleaning platform 3 leaves the volute 1 from the opening 11, the arrangement at least reduces the residual oil stain defects of the range hood after self-cleaning in the prior art, the cleaning effect of the fan is better, and the use effect and the service life of the range hood are improved.

The opening 11 is provided with a switch baffle 12, and the switch baffle 12 can be opened or closed relative to the opening 11. The cleaning table does not enter the volute 1 before and after cleaning, the volute 1 is provided with an opening, an air outlet opening 11 or an air suction opening 11 can be increased, negative effects are caused on the air speed and the air quantity of the fan when the range hood works, the switch baffle plate 12 is arranged, the opening is shielded and opened when the cleaning table works, the influences are reduced, and the working requirements of the device are met.

The switch baffle 12 and the inner side wall of the volute 1 are provided with an elastic piece 13, and the elastic piece 13 is used for limiting the switch baffle 12 to move to the outer side of the volute 1. The setting of elastic component 13 on the one hand connect

switch baffle

12 and 1 lateral wall of spiral case, prevent that switch baffle 12 from breaking away from 1 inside wall of spiral case, and carry out spacingly to switch baffle 12's motion, and restriction switch baffle 12 moves to the 1 outside of spiral case, and on the other hand, elastic component 13 can make switch baffle 12 kick-back to opening 11 positions automatically after the clean completion of clean platform leaves spiral case 1.

As an alternative embodiment, the elastic member 13 is disposed at a mounting position of the switching damper 12 on the scroll casing 1, such as a sliding groove provided in the scroll casing 1 or a rotational shaft of the switching damper 12. In this embodiment, the elastic member 13 is a spring.

The switch flapper 12 includes: a first barrier 121 and a second barrier 122, the first barrier and the second barrier 122 being disposed opposite to each other.

As a switchable embodiment, the switch baffle 12 may be a single baffle or a plurality of baffles;

as another alternative embodiment, the shutter may be opened by an opening method such as translational opening and closing of the chute.

The inner surfaces of the first and

second baffles

121 and 122 are continuously provided with the inner surface of the scroll casing 1.

The inner side surface of the volute 1 is a curved surface with variable curvature, the inner surface of the switch baffle 12 is continuously arranged with the inner surface of the volute 1, and the inner surface of the volute 1 is the same as the inner surface without the opening 11, so that the negative influence of the increase of the opening 11 of the volute 1 on the wind speed and the wind quantity of the fan when the range hood works is avoided.

A sliding groove is formed in the scroll casing 1 at a position corresponding to the opening 11, and the opening/closing shutter 12 can slide relative to the sliding groove to open or close the opening 11.

As an alternative embodiment, the volute 1 enclosure is provided with a sliding rail adjacent to the opening 11, the opening 11 is provided with a fitting groove, and the switch baffle 12 can slide relative to the sliding rail from the outer side of the volute 1 enclosure to the position of the opening 11 and can be fitted in or separated from the opening 11.

The wash station 3 includes: a bracket for connecting the cleaning piece 4. And the driving rod 31 is used for driving the bracket to move close to or away from the wind wheel 2.

The support includes: a connecting portion 32 having a barrel shape, one end of which is fixedly connected to the driving rod 31; the engaging portion 33 is fixedly connected to the other end of the connecting portion 32, and the engaging portion 33 is detachably connected to the cleaning material 4 and is engaged and fixed thereto. The connecting portion 32 is fixed to the driving rod 31 by screwing. The specific form of the cleaning member 4 is not limited, and in this embodiment, the cleaning member 4 is a sponge, and the connecting surface between the engaging portion 33 and the connecting portion 32 is square, and the area is smaller than the area of the opening 11.

The support is fixed with actuating lever 31 and washing piece 4 respectively, washs 4 and impeller contact and wash the impeller, need change after washing 4 work many times, can pull down the washing 4 of renewal of washing 4, and clean effect is better, and washs 3 and can use for a long time, has reduced user use cost, extension fixture's life.

The engaging portion 33 includes a bottom plate 331 fixedly connected to the connecting portion 32, and two "L" shaped limiting portions 34 are disposed at edges of the bottom plate 331 and opposite to each other. The bottom plate 331 is provided with an abutting portion 35 at an end away from the cleaning element 4, and the abutting portion 35 is suitable for limiting the cleaning element 4 from being separated from the clamping portion 33.

In this embodiment, the cleaning element 4 has an end limited by the engaging portion 33 and the abutting portion 35 at the bottom side, and has a top side with a cleaning surface having the same radian as the outer edge of the wind wheel 2, so that the wind wheel 2 can be uniformly cleaned. As an alternative embodiment, the engaging portion 33 may be an adhesive portion, fixedly connected to the connecting portion 32, and adhesively fixed to the cleaning material 4.

The driving rod 31 includes a fixed portion 311 and a movable portion 312, the movable portion 312 is connected to the connecting portion 32, and a driving motor for driving the movable portion 312 is provided inside the fixed portion 311. The driving rod 31 is an electric push rod in the present embodiment. The fixed portion 311 is an electric push rod sleeve, and the movable portion 312 is a push rod of an electric push rod.

A fixed frame is connected between the fixed part 311 and the outer side wall of the volute 1. As an alternative embodiment, the fixing portion 311 may be fixed by a user holding the hand.

The range hood working process in this embodiment is as follows:

when self-cleaning is finished, under the driving of a motor in the fixing part 311 of the driving rod 31, the movable part 312 drives the support and the cleaning part 4 to move towards the wind wheel 2, the wind wheel 2 starts to rotate, the cleaning part 4 is driven by the movable part 312 to push the switch baffle 12 away, the first baffle 121 and the second baffle 122 rotate and rotate to two sides of the opening 11 in the volute 1, the cleaning part 4 is attached to and interferes with the blades of the wind wheel 2, but when the support is not in contact with the blades, the movable part 312 stops moving, oil stains begin to be removed, and in the cleaning process, the cleaning effect is better, and the wind wheel 2 can rotate reversely.

After the oil stain is wiped off, the movable part 312 drives the bracket and the cleaning part 4 to move in the direction away from the wind wheel 2 under the driving of the motor in the fixing part 311 of the driving rod 31, the switch baffle 12 is retracted to the position of the opening 11 under the driving of the rebounding acting force of the elastic part 13, and the movable part 312 stops moving when the cleaning part 4 moves to the outer side of the volute 1.

After the cleaning member 4 is used for a long time, it is replaced.

In addition, the range hood in this embodiment may be used alone or in combination with other cleaning methods, such as spraying water to the impeller, when the range hood is not self-cleaning.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A range hood, comprising:

a volute (1) provided with an opening (11);

the wind wheel (2) is rotatably arranged inside the volute (1);

the cleaning table (3) is connected with a cleaning piece (4), and the cleaning table (3) has a cleaning state which passes through the opening (11) and is close to the wind wheel (2) under the action of power; and a non-cleaning state leaving the volute (1) through the opening (11).

2. The range hood according to claim 1, wherein a switch baffle (12) is disposed at the opening (11), and the switch baffle (12) can be opened or closed relative to the opening (11).

3. The range hood according to claim 2, wherein the switch baffle (12) and the inner side wall of the volute (1) are provided with elastic members (13), and the elastic members (13) are used for limiting the switch baffle (12) from moving to the outer side of the volute (1).

4. A range hood according to claim 3, characterized in that the switch baffle (12) comprises: a first baffle (121) and a second baffle (122), the first baffle (121) and the second baffle (122) being disposed opposite to each other.

5. The extractor hood according to claim 4, wherein the inner surfaces of the first baffle (121) and the second baffle (122) are continuously arranged with the inner surface of the volute (1).

6. The range hood according to claim 2, wherein a sliding groove is formed in the volute (1) at a position corresponding to the opening (11), and the switch baffle (12) can slide relative to the sliding groove and open or close the opening (11).

7. A range hood according to any one of claims 1 to 6, wherein the wash station (3) comprises:

a bracket for connecting the cleaning piece (4);

and the driving rod (31) is used for driving the bracket to move close to or away from the wind wheel (2).

8. The range hood of claim 7, wherein the bracket comprises:

the connecting part (32) is barrel-shaped, and one end of the connecting part is fixedly connected with the driving rod (31);

the clamping part (33) is fixedly connected with the other end of the connecting part (32), and the clamping part (33) is detachably connected with the cleaning piece (4) and is clamped and fixed.

9. The range hood according to claim 8, wherein the engaging portion (33) comprises a bottom plate (331) fixedly connected to the connecting portion (32), and two L-shaped limiting portions (34) are disposed at an edge of the bottom plate (331) and opposite to each other.

10. The range hood according to claim 9, wherein an abutting portion (35) is disposed at an end of the bottom plate (331) away from the cleaning member (4), and the abutting portion (35) is adapted to limit the cleaning member (4) from being disengaged from the engaging portion (33).

11. The range hood according to claim 8, wherein the driving rod (31) comprises a fixed portion (311) and a movable portion (312), the movable portion (312) is connected to the connecting portion (32), and a driving motor for driving the movable portion (312) is disposed inside the fixed portion (311).

12. The range hood according to claim 11, wherein a fixing frame is connected between the fixing portion (311) and an outer side wall of the volute (1).