CN212390434U - Air inlet adjustable range hood - Google Patents

Abstract

The utility model discloses an air inlet adjustable range hood, it includes casing, air ducting and controlling means. The air guide device comprises a support, an air guide sheet and a driving assembly, the support is connected with the shell, the air guide sheet is rotatably connected with the support, so that the air guide sheet can swing left and right relative to the support, the driving assembly is arranged on the support, the driving assembly is connected with the air guide sheet, the air guide sheet can be driven to swing through the driving assembly, the air inlet can be opened and closed when the air guide sheet swings, the control device is arranged on the shell, the two air guide devices are arranged in the left and right direction, and the control device is electrically connected with the driving assemblies in the two air guide devices respectively. When a user uses one burner of the double-head kitchen range, the smoke absorbing capability of the range hood can be improved by adjusting the swing direction and/or angle of the air guide sheets in the two air guide devices, and the smoke absorbing effect is optimized.

Description

Air inlet adjustable range hood

Technical Field

The utility model relates to a kitchen appliance technical field, in particular to range hood.

Background

The range hood is generally installed above a kitchen range, and can suck away oil smoke generated during cooking food through the range hood. In most cases, the range adopts a double-head structure, most of the air inlet of the range hood is fixed, and the air inlet of the range hood cannot be adjusted. In practical use, a user only uses one of the furnace ends at the same time in most of time, the position of the range hood with the strongest smoking capability is generally the area closest to the fan, most of the fan is arranged at the middle position of the range hood, the fan is far away from the two furnace ends, the largest smoking capability is not fully exerted in most of time in the practical use process, and the smoking effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an air inlet adjustable range hood can have better smoking effect when the user uses a furnace end.

According to the utility model discloses an air inlet adjustable range hood, it includes: the air inlet is formed in the front side of the shell; the two air guide devices are arranged at the air inlet and are arranged along the left-right direction, each air guide device comprises a support, an air guide sheet and a driving assembly, the support is connected with the shell, the air guide sheet is rotatably connected with the support so as to swing left and right relative to the support, the driving assembly is arranged on the support, and the driving assembly is connected with the air guide sheet so as to drive the air guide sheet to swing; and the control device is arranged on the shell and is electrically connected with the driving component.

According to the utility model discloses range hood with adjustable air inlet has following beneficial effect at least: through the structure, the control device can control the driving component to work, so that the air guide sheets can swing, when a user uses one burner of the double-head kitchen range, the smoke absorption capability of the range hood can be improved by adjusting the swing direction and/or angle of the air guide sheets in the two air guide devices, and the smoke absorption effect is optimized.

According to some embodiments of the invention, the drive assembly comprises: the motor is fixedly arranged on the bracket; one end of the first push rod is fixedly connected with an output shaft of the motor; one end of the second push rod is rotatably connected with the other end of the first push rod through a pivot piece, and the second push rod is rotatably connected with the air guide sheet; the guide slot is arranged on the bracket, and the pivot piece is inserted in the guide slot and can move along the guide slot.

According to some embodiments of the utility model, be equipped with the detection piece on the support, the detection piece with controlling means electricity is even, pivot spare is followed when the guide slot removes, first push rod the second push rod and at least one of the pivot spare three can with the detection piece triggers.

According to some embodiments of the utility model, the air ducting still includes bearing structure, bearing structure with drive assembly locates separately the both ends of guide vane, bearing structure respectively with the support with the guide vane rotates to be connected.

According to some embodiments of the utility model, the bearing structure includes third push rod and fourth push rod, the one end of third push rod with the support rotates to be connected, the other end of third push rod with the one end of fourth push rod rotates to be connected, just the fourth push rod with the aviation baffle rotates to be connected.

According to some embodiments of the utility model, among the air ducting, the quantity of guide vane sets up to more than two, more than two the guide vane is arranged along left right direction in proper order.

According to some embodiments of the utility model, air intake department is equipped with the grid strip, the grid strip is located the front side of aviation baffle, just the grid strip with casing fixed connection.

According to some embodiments of the present invention, the control device includes a main control module and a signal input module, the signal input module is electrically connected to the main control module.

According to the utility model discloses a few embodiments, controlling means includes host system and flue gas detection module, flue gas detection module with the host system electricity links, the left and right sides of air intake is equipped with respectively flue gas detection module.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a structural diagram of an embodiment of the range hood with adjustable intake air according to the present invention;

FIG. 2 is a sectional view of the range hood shown in FIG. 1 with adjustable intake air;

fig. 3 is a schematic view of the casing and the air guiding device of the range hood with adjustable intake air shown in fig. 1;

fig. 4 is a structural view of the air guide device shown in fig. 3;

FIG. 5 is a circuit block diagram of the range hood with adjustable intake shown in FIG. 1;

FIG. 6 is a diagrammatic view of the adjustable intake range hood of FIG. 1 in an operational state;

FIG. 7 is a schematic view of the range hood with adjustable intake air shown in FIG. 1 in an operating state

Fig. 8 is a schematic view of an operating state of the range hood with adjustable intake air shown in fig. 1.

Reference numerals:

the air guide device comprises a shell 100, an air inlet 110, a grille strip 120, a fan 200, an air guide device 300, a bracket 310, an air guide sheet 320, a motor 331, a first push rod 332, a second push rod 333, a guide groove 334, a pivot 335, a detection piece 336, a third push rod 341, a fourth push rod 342, a control device 400, a main control module 410, a signal input module 420 and a smoke detection module 430

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 reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting 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 there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

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.

As shown in fig. 1 to 5, an adjustable intake range hood according to an embodiment of the present invention includes a housing 100, a fan 200, an air guiding device 300, and a control device 400.

Wherein, the front side of the casing 100 is provided with an air inlet 110, and the fan 200 is arranged in the casing 100. The air guiding device 300 is arranged at the air inlet 110, the air guiding device 300 comprises a support 310, an air guiding sheet 320 and a driving assembly, the support 310 is connected with the shell 100, the air guiding sheet 320 is rotatably connected with the support 310 so that the air guiding sheet 320 can swing left and right relative to the support 310, the driving assembly is arranged on the support 310, the driving assembly is connected with the air guiding sheet 320, the driving assembly can drive the air guiding sheet 320 to swing, and the air inlet 110 can be opened and closed when the air guiding sheet 320 swings. The control device 400 is disposed on the housing 100. The number of the air guide devices 300 is two, the two air guide devices 300 are arranged in the left-right direction, and the control device 400 is electrically connected to the driving components of the two air guide devices 300. The two driving components can be controlled by the control device 400 to work independently, so that the swinging directions of the air guiding sheets 320 in the two air guiding devices 300 can be the same or different; the swing angles of the wind guiding plates 320 may be the same or different.

In each air guiding device 300, the number of the air guiding sheets 320 is set to be two or more, the two or more air guiding sheets 320 are sequentially arranged along the left-right direction, the width of a single air guiding sheet 320 is small, the obstruction to the air flow can be reduced, the rotating range of the air guiding sheet 320 is small, and the installation and the arrangement are convenient.

Two burners on the double-end cooking utensils are left right direction and arrange, and fan 200 generally is the upside that is located the centre of two burners, and range hood can have multiple mode.

For example, taking a left burner as an example, as a first operation mode, when a user uses the left burner, the control device 400 controls the driving component on the right air guide device 300 to operate, so that the air guide sheet 320 on the right air guide device 300 swings, and the right portion of the air inlet 110 is shielded by the air guide sheet 320, so that the right portion of the air inlet 110 is completely closed; the control device 400 can also control the driving component on the left air guiding device 300 to operate, so that the air guiding sheet 320 on the left air guiding device 300 swings, the air guiding sheet 320 can swing to the right side, the state of the air guiding sheet 320 is as shown in fig. 6, and at this time, the left portion of the air inlet 110 can be completely opened. Therefore, the effective air inlet area of the air inlet 110 is reduced, the oil smoke only enters from the left side part of the air inlet 110, larger negative pressure can be formed at the left side part of the air inlet 110, the oil smoke can flow to the fan 200 along the surface of the air guide sheet 320, the range of the range hood on the left side can be enlarged, and the range hood has a better smoking effect.

As a second operation mode, when the user uses the left burner, the right portion of the air inlet 110 is completely closed, the air guiding plate 320 on the left air guiding device 300 can also be kept vertical, and the left portion of the air inlet 110 can be completely opened, so as to quickly suck and remove the oil smoke that escapes to the lower portion of the right portion of the air inlet 110.

As a third working mode, when the user uses the left burner, the air guiding sheet 320 on the right air guiding device 300 swings, the right portion of the air inlet 110 is closed by the air guiding sheet 320, and the right portion of the air inlet 110 is not completely closed; the air guiding sheet 320 on the left air guiding device 300 can also be kept vertical or inclined to the right, and the state of the air guiding sheet 320 is shown in fig. 7. Thus, the air flow rate of the left portion of the air inlet 110 is greater than that of the right portion of the air inlet 110, the effective air inlet area of the air inlet 110 is reduced, and a larger negative pressure can be formed at the air inlet 110.

As a fourth operation mode, when the user uses the burner on the left side, the air guiding sheets 320 on the two air guiding devices 300 are swung to be biased to the right side, and the left side portion and the right side portion of the air inlet 110 can be completely opened. The swing angles of the air guiding sheets 320 on the two air guiding devices 300 may be the same or different.

For example, a user uses the left furnace end and the right furnace end simultaneously, the control device 400 controls the two driving components to work, the air guide sheet 320 in the air guide device 300 on the left side is deviated to the right side, the air guide sheet 320 in the air guide device 300 on the right side is deviated to the left side, the state of the air guide sheet 320 is as shown in fig. 8, oil smoke can flow to the fan 200 along the surface of the air guide sheet 320, and thus, the range hood can absorb the oil smoke in a large range, can facilitate the flow of the oil smoke, can enhance the smoke absorption capacity of the range hood, and has a better smoke absorption.

Referring to fig. 3 and 4, the driving assembly includes a motor 331, a first push rod 332, a second push rod 333, and a guide groove 334 having an arc shape. The motor 331 is fixedly arranged on the bracket 310, one end of the first push rod 332 is fixedly connected with an output shaft of the motor 331, one end of the second push rod 333 is rotatably connected with the other end of the first push rod 332 through a pivot member 335, the second push rod 333 is rotatably connected with the air guide piece 320, the guide groove 334 is arranged on the bracket 310, and the pivot member 335 is inserted in the guide groove 334 and can move along the guide groove 334. The motor 331 drives the first push rod 332 to rotate, drives the pivot member 335 to move along the guide slot 334, and drives the second push rod 333 to move, so as to drive the air guiding plate 320 to swing. Wherein the pivot member 335 is inserted into the first push rod 332 and the second push rod 333. The driving assembly has high stability during operation, and the pivot member 335 is inserted into the guide groove 334 to keep the second push rod 333 stable.

The bracket 310 is provided with a detection piece 336, the detection piece 336 is electrically connected with the control device 400, when the pivot piece 335 moves along the guide groove 334, at least one of the first push rod 332, the second push rod 333 and the pivot piece 335 can trigger the detection piece 336, after the detection piece 336 is triggered, a trigger signal can be sent to the control device 400 to indicate that the air guide piece 320 rotates to a set limit position, and the control device 400 controls the motor 331 to stop operating. The detecting member 336 may be configured as a micro-switch, or a proximity switch, etc.

In some embodiments, the driving assembly may further include an electric push rod, a second push rod 333, and an arc-shaped guide groove 334, where the second push rod 333 is rotatably connected to the wind-guiding plate 320, the guide groove 334 is disposed on the bracket 310, an end of the second push rod 333 is provided with a mounting portion, the mounting portion is inserted into the guide groove 334, one end of the electric push rod is hinged to the bracket 310, and the other end of the electric push rod is hinged to the mounting portion.

The wind guiding device 300 further comprises a supporting structure, the supporting structure and the driving assembly are respectively arranged at two ends of the wind guiding sheet 320, and the supporting structure is respectively connected with the bracket 310 and the wind guiding sheet 320 in a rotating manner, so that the wind guiding sheet 320 can swing stably. For example, the supporting structure includes a third push rod 341 and a fourth push rod 342, one end of the third push rod 341 is rotatably connected to the bracket 310, the other end of the third push rod 341 is rotatably connected to one end of the fourth push rod 342, and the fourth push rod 342 is rotatably connected to the air guiding plate 320.

The air inlet 110 is provided with a grid bar 120, the grid bar 120 is located at the front side of the air guiding sheet 320, and the grid bar 120 is fixedly connected with the casing 100. The grid bars 120 can play a role in supporting and protecting, so as to prevent external foreign matters from directly colliding with the air guiding sheet 320 to damage the air guiding sheet 320.

It will be appreciated that the grill bars 120 may be formed as a unitary structure with the housing 100, or the grill bars 120 may be separately machined and then fixedly mounted to the housing 100.

The control device 400 includes a main control module 410 and a signal input module 420, the motor 331, the detecting element 336 and the fan 200 are all electrically connected to the main control module 410, and the signal input module 420 may be a gesture sensing module, a keyboard, a touch pad, a voice control module, etc. When a user selects one furnace end to use or selects two furnace ends to use simultaneously, the control information can be input to the main control module 410 through the signal input module 420, and the main control module 410 controls the motors 331 in the two air guide devices 300 to rotate, so that the corresponding air guide pieces 320 deflect or stand in the above manner, and oil smoke can be better sucked and removed.

In some embodiments, the control device 400 further includes a smoke detection module 430, the smoke detection module 430 is electrically connected to the main control module 410, and the smoke detection module 430 is disposed on each of the left and right sides of the air inlet 110. The smoke detection module 430 can detect the smoke concentration of the corresponding position, when a user uses a single furnace end or two furnace ends, the smoke detection module 430 of the corresponding position can detect the rise of the smoke concentration, and when the detected smoke concentration exceeds a set threshold value, the main control module 410 can control the motor 331 to operate, so that the air guide piece 320 is driven to swing.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (9)

1. The utility model provides a range hood with adjustable air inlet, which is characterized in that comprises:

the air inlet is formed in the front side of the shell;

the two air guide devices are arranged at the air inlet and are arranged along the left-right direction, each air guide device comprises a support, an air guide sheet and a driving assembly, the support is connected with the shell, the air guide sheet is rotatably connected with the support so as to swing left and right relative to the support, the driving assembly is arranged on the support, and the driving assembly is connected with the air guide sheet so as to drive the air guide sheet to swing;

and the control device is arranged on the shell and is electrically connected with the driving component.

2. The range hood of claim 1, wherein the drive assembly comprises a motor and a motor

The motor is fixedly arranged on the bracket;

one end of the first push rod is fixedly connected with an output shaft of the motor;

one end of the second push rod is rotatably connected with the other end of the first push rod through a pivot piece, and the second push rod is rotatably connected with the air guide sheet;

the guide slot is arranged on the bracket, and the pivot piece is inserted in the guide slot and can move along the guide slot.

3. The range hood with adjustable intake air of claim 2, wherein the bracket is provided with a detecting member, the detecting member is electrically connected to the control device, and when the pivot member moves along the guide groove, at least one of the first push rod, the second push rod and the pivot member can trigger the detecting member.

4. The range hood with adjustable intake air of claim 2, wherein the air guiding device further comprises a supporting structure, the supporting structure and the driving assembly are respectively disposed at two ends of the air guiding sheet, and the supporting structure is respectively rotatably connected with the bracket and the air guiding sheet.

5. The range hood with adjustable intake air of claim 4, wherein the support structure comprises a third push rod and a fourth push rod, one end of the third push rod is rotatably connected with the bracket, the other end of the third push rod is rotatably connected with one end of the fourth push rod, and the fourth push rod is rotatably connected with the air guide sheet.

6. The range hood with adjustable intake air of claim 1, wherein the number of the air guiding plates in the air guiding device is two or more, and the two or more air guiding plates are sequentially arranged along the left-right direction.

7. The range hood with adjustable air intake according to claim 1, wherein a grill is disposed at the air intake, the grill is located at the front side of the air guide plate, and the grill is fixedly connected to the housing.

8. The range hood with adjustable intake air of claim 1, wherein the control device comprises a main control module and a signal input module, and the signal input module is electrically connected with the main control module.

9. The range hood with adjustable air intake according to claim 1, wherein the control device comprises a main control module and a smoke detection module, the smoke detection module is electrically connected with the main control module, and the smoke detection module is respectively disposed on the left side and the right side of the air intake.

Images