CN213872823U

CN213872823U - Smoke exhaust volume adjustable range hood

Info

Publication number: CN213872823U
Application number: CN202022868033.1U
Authority: CN
Inventors: 艾穗江; 周骏尧; 刘兵
Original assignee: Guangdong Macro Gas Appliance Co Ltd; Guangdong Wanjiale Kitchen Technology Co Ltd
Current assignee: Guangdong Macro Gas Appliance Co Ltd; Guangdong Wanjiale Kitchen Technology Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-03
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a range hood with adjustable smoke discharge amount, it includes: the smoke collection channel is provided with a smoke suction port and a smoke exhaust port, and the smoke suction port is arranged on the bottom surface of the machine shell; the fan assembly comprises a volute, a motor and a wind wheel, the motor and the wind wheel are mounted on the volute, the volute can be arranged in the smoke collecting channel in a vertically sliding mode, the volute is driven to move downwards to be close to the smoke suction port through the lifting driving assembly, so that an air inlet in the volute is close to the cooker, under the condition that the rotating speed of the motor is unchanged, the distance between the volute generating negative pressure and the cooker is reduced, even if the flow speed of the smoke suction port is increased, the smoke discharging efficiency is improved, and the smoke discharging efficiency during quick frying is improved; when the volute needs to be cleaned, the lifting driving assembly drives the volute to move downwards to extend out of the smoke suction port, so that the volute is moved out of the casing, a user can clean the volute and the wind wheel conveniently, and the fan assembly can be maintained and replaced.

Description

Smoke exhaust volume adjustable range hood

Technical Field

The utility model relates to a kitchen appliance's field, in particular to range hood with adjustable smoke discharge amount.

Background

The range hood is an electric kitchen appliance which discharges harmful gas generated by cooking to the outside. Domestic cooking habits often prefer to stir with strong fire, which can generate extremely large oil smoke instantly. The prior art generally addresses two solutions: firstly, the service life of the motor is shortened, the noise of the whole machine is increased and the use feeling of a user is influenced by a method of increasing the rotating speed of the motor; the second is descended through the smoke suction port, so that the air inlet is close to the cooker, and the air exhaust efficiency is improved. In fact, the distance between the volute and the cooker is unchanged, smoke exhaust efficiency cannot be effectively improved, and a smoke suction port is closer to a fire source to bring fire hidden danger; and when the existing range hood cleans the volute, the range hood needs to be disassembled, so that the cleaning is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a range hood with adjustable exhaust gas volume to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

a range hood with adjustable smoke discharge amount comprises: the smoke collection device comprises a shell, a fan assembly and a lifting driving assembly, wherein a smoke collection channel is arranged in the shell, the smoke collection channel is provided with a smoke suction port and a smoke exhaust port, and the smoke suction port is arranged on the bottom surface of the shell; the fan assembly comprises a volute, and a motor and a wind wheel which are installed on the volute, the volute is arranged in the smoke collecting channel and is provided with an air inlet and an air outlet, the lifting driving assembly is installed on the casing and is provided with a lifting driving end, the lifting driving assembly is in transmission connection with the volute and enables the volute to move up and down relative to the smoke suction port and extend out of the smoke suction port.

The utility model has the advantages that: when the spiral case is used, the spiral case is driven to move downwards to be close to the smoke suction port through the lifting driving assembly, so that the air inlet on the spiral case is close to the cooker, the distance between the spiral case and the cooker generating negative pressure is reduced under the condition that the rotating speed of the motor is not changed, even if the flow speed of the smoke suction port is increased, the smoke discharge efficiency is improved, and the smoke discharge efficiency during quick frying is improved; when the volute needs to be cleaned, the lifting driving assembly drives the volute to move downwards to extend out of the smoke suction port, so that the volute is moved out of the casing, a user can clean the volute and the wind wheel conveniently, and the fan assembly can be maintained and replaced.

As a further improvement of the above technical solution, the lifting driving assembly includes a lifting guide rail extending vertically, and the volute is slidably connected to the casing through the lifting guide rail.

The volute casing is installed in a sliding mode through the lifting guide rail and the machine shell, so that the up-and-down moving stability of the volute casing can be improved, and the firmness of the installation of the volute casing can be improved.

As a further improvement of the above technical solution, the number of the two lifting guide rails is two, and the two lifting guide rails are respectively arranged on the left side and the right side of the volute.

The two lifting guide rails can further improve the stability of the volute during movement and operation, and avoid the generation of shaking and noise.

As a further improvement of the above technical solution, the lifting guide rail includes an upper guide rail fixed on the casing and a lower guide rail fixed on the volute, and the upper guide rail and the lower guide rail are both extended vertically and are slidably connected to each other.

Under the sliding fit of the upper guide rail and the lower guide rail, when the volute moves in the casing, the upper guide rail is still in the casing, and when the volute moves downwards out of the casing, the lower guide rail can stretch out along with the volute, so that the lower guide rail is hidden in the casing when the range hood is in normal use, and the use attractiveness of the range hood is improved.

As a further improvement of the above-described technical solution, a plurality of rail balls are interposed between the upper rail and the lower rail. The upper guide rail and the lower guide rail are matched in a sliding mode through a plurality of guide rail balls, and sliding smoothness is improved.

As a further improvement of the technical scheme, the lifting driving assembly comprises a linear push rod motor fixed on the casing, the linear push rod motor is provided with a telescopic end, and the telescopic end is connected with the volute.

The spiral case is driven to move up and down through the linear push rod motor, and the lifting height of the spiral case is convenient to set.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a front sectional view of an embodiment of a range hood according to the present invention, wherein two arrows respectively represent an upward direction and a downward direction, and wherein two arrows respectively represent a left direction and a right direction;

fig. 2 is a schematic structural diagram of an embodiment of the range hood provided by the present invention;

fig. 3 is a side sectional view of an embodiment of the range hood of the present invention, wherein two arrows respectively represent an upward direction and a downward direction, and wherein two arrows respectively represent a forward direction and a backward direction;

fig. 4 is a schematic structural view of an embodiment of the lifting rail according to the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the range hood of the present invention comprises the following embodiments:

the range hood of this embodiment includes casing 100, fan subassembly and lift drive assembly, and casing 100 is and erects the setting casing 100 is inside to be provided with collection cigarette passageway 110, collection cigarette passageway 110 is provided with smoking mouth 111 and exhaust port 112, smoking mouth 111 sets up in the bottom surface of casing 100, and exhaust port 112 sets up in the top of casing 100, and the fan subassembly includes spiral case 200, installs motor and the wind wheel on spiral case 200, spiral case 200 is provided with air intake 210 and air outlet 220, and air intake 210 mainly communicates with smoking mouth 111, and air outlet 220 mainly communicates with exhaust port 112, spiral case 200 can set up in collection cigarette passageway 110 with sliding from top to bottom, specifically: the volute 200 is slidably connected with the casing 100 through the lifting guide rails 300, so that the up-and-down movement stability of the volute 200 can be improved, the installation firmness of the volute 200 can be improved, further, the number of the lifting guide rails 300 is two, the two lifting guide rails 300 are respectively arranged on the left side and the right side of the volute 200, and the two lifting guide rails 300 can further improve the stability of the volute 200 during moving and working, so that the generation of shaking and noise generation can be avoided.

The lifting driving assembly of the present embodiment is mounted on the casing 100, and the lifting driving assembly is mainly used for moving the scroll casing 200 up and down relative to the smoking opening 111 and extending from the smoking opening 111, specifically: the lifting driving assembly comprises a linear push rod motor 400 fixed on the casing 100, the linear push rod motor 400 is provided with a telescopic end, and the telescopic end is connected with the volute 200.

When the spiral case is used, the linear push rod motor 400 drives the spiral case 200 to move downwards to be close to the smoke suction port 111, so that the air inlet 210 on the spiral case 200 is close to a cooker, under the condition that the rotating speed of the motor is not changed, the distance between the spiral case 200 generating negative pressure and the cooker is reduced, even if the flow speed of the smoke suction port 111 is increased, the smoke discharge efficiency is improved, and the smoke discharge efficiency during quick frying is improved; when the volute 200 needs to be cleaned, the linear push rod motor 400 drives the volute 200 to move downwards to extend out of the smoke suction port 111, so that the volute 200 is moved out of the casing 100, a user can clean the volute 200 and the wind wheel conveniently, and the fan assembly can be maintained and replaced.

And according to different requirements, the lifting height of the volute 200 is controlled by the linear push rod motor 400, so that the smoke discharge amount of the smoke machine is adjusted, and the volute 200 moves within the range of 5-15 cm. Compared with the existing method for increasing the rotating speed of the motor, the method can prolong the service life of the motor and reduce the noise of the cigarette machine during operation.

Further, the lifting guide rail 300 comprises an upper guide rail 310 fixed on the casing 100 and a lower guide rail 320 fixed on the volute casing 200, the upper guide rail 310 and the lower guide rail 320 are both arranged in a vertically extending manner, the upper guide rail 310 is in sliding connection with the lower guide rail 320, under the sliding fit of the upper guide rail 310 and the lower guide rail 320, when the volute casing 200 moves in the casing 100, the lower guide rail 320 is still in the casing 100, and when the volute casing 200 moves downwards out of the casing 100, the lower guide rail 320 can extend out along with the volute casing 200, so that the lower guide rail 320 is hidden in the casing 100 when the cigarette making machine is in normal use, and the use attractiveness of the cigarette making machine is improved.

In order to further improve the smoothness of sliding, a plurality of guide balls 330 are interposed between the upper guide rail 310 and the lower guide rail 320, and the upper guide rail 310 and the lower guide rail 320 are slidably engaged by the plurality of guide balls 330.

In some embodiments, the lifting driving assembly may employ other lifting driving units, such as a cylinder, a gear and rack transmission, and the like.

In some embodiments, the sliding connection between the scroll casing 200 and the housing casing 100 may also adopt other sliding connection structures, such as sliding fit of sliding grooves and sliding blocks.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a range hood of discharge fume adjustable volume which characterized in that: it includes:

the smoke collection device comprises a shell (100), wherein a smoke collection channel (110) is arranged in the shell (100), the smoke collection channel (110) is provided with a smoke suction port (111) and a smoke exhaust port (112), and the smoke suction port (111) is arranged on the bottom surface of the shell (100);

the fan assembly comprises a volute (200), a motor and a wind wheel, wherein the motor and the wind wheel are installed on the volute (200), the volute (200) is arranged in the smoke collection channel (110), and the volute (200) is provided with an air inlet (210) and an air outlet (220);

the lifting driving assembly is arranged on the machine shell (100), and is provided with a lifting driving end which is in transmission connection with the volute (200) and enables the volute (200) to move up and down relative to the smoking port (111) and extend out of the smoking port (111).

2. The range hood of claim 1, wherein the range hood is capable of adjusting the amount of smoke discharged from the range hood, and the range hood is characterized in that:

the lifting driving assembly comprises a lifting guide rail (300) which extends up and down, and the volute (200) is connected with the machine shell (100) in a sliding mode through the lifting guide rail (300).

3. The range hood of claim 2, wherein the range hood is capable of adjusting the amount of smoke discharged from the range hood, and the range hood further comprises:

the number of the lifting guide rails (300) is two, and the two lifting guide rails (300) are respectively arranged on the left side and the right side of the volute (200).

4. The range hood of claim 2, wherein the range hood is capable of adjusting the amount of smoke discharged from the range hood, and the range hood further comprises:

lifting guide (300) including being fixed in upper guideway (310) on casing (100), being fixed in lower guideway (320) on spiral case (200), upper guideway (310) with lower guideway (320) all are the extension setting from top to bottom upper guideway (310) with lower guideway (320) sliding connection.

5. The range hood of claim 4, wherein the range hood is capable of adjusting the amount of smoke discharged from the range hood, and the range hood is characterized in that:

a plurality of guide balls (330) are interposed between the upper guide rail (310) and the lower guide rail (320).

6. The range hood of claim 1, wherein the range hood is capable of adjusting the amount of smoke discharged from the range hood, and the range hood is characterized in that:

the lifting driving assembly comprises a linear push rod motor (400) fixed on the casing (100), the linear push rod motor (400) is provided with a telescopic end, and the telescopic end is connected with the volute (200).