CN214148044U - Suction adjustable mechanism of energy-saving range hood with constant power - Google Patents

Abstract

The utility model discloses an energy-conserving range hood's when power is unchangeable suction adjustable mechanism installs in the range hood body, and this suction adjustable mechanism includes closure plate and drive arrangement, and the closure plate is equipped with the closure plate pivot, and drive arrangement connects the closure plate pivot, and drive arrangement drive closure plate rotates around the closure plate pivot, makes the closure plate whole or the part open and close air inlet department to according to actual need control adjusts the suction size of two top of a kitchen range hood bodies, and two top of a kitchen range suction allot each other. The utility model provides a power is energy-conserving range hood's when unchangeable suction adjustable mechanism, moreover, the steam generator is simple in structure, this suction adjustable mechanism provides multiple structural scheme, applicable in the range hood of multiple style, be particularly suitable for integrated kitchen, use single top of a kitchen range, or when two top of a kitchen range use simultaneously, when hoping that the suction of one of them top of a kitchen range is big some, another top of a kitchen range suction is little, can be under the unchangeable condition of power, increase suction nearly one time, energy-conservation nearly 50%, and can the noise reduction.

Description

Suction adjustable mechanism of energy-saving range hood with constant power

Technical Field

The utility model relates to a kitchen domestic appliance technical field, concretely relates to energy-conserving range hood's suction adjustable mechanism when power is unchangeable.

Background

In the practical use of the range hood, at least more than half of the time is only used by a single cooking bench, and the other cooking bench may not be used or does not necessarily need to have the same suction force with the other cooking bench. The side-suction type range hood does not have a movable side smoke collecting plate, and the smoke collecting effect of the range hood is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a simple structure, the convenient power of dismouting is unchangeable time energy-saving range hood's suction adjustable mechanism realizes that whole or part are opened and are closed air inlet department, and multiplicable suction, noise reduction improve and hold together the cigarette effect.

According to the utility model discloses an aspect provides an energy-conserving range hood's adjustable mechanism of suction when power is unchangeable, installs in the range hood body, and the adjustable machine of suction of this unchangeable energy-conserving range hood of power includes closure plate and drive arrangement, and the range hood body has air inlet department, and the closure plate is equipped with the closure plate pivot, and drive arrangement connects the closure plate pivot, and drive arrangement drive closure plate rotates around the closure plate pivot, makes the closure plate whole or the part open and close air inlet department. Therefore, the air inlet part can be partially opened or completely opened through the shutoff plate, so that the suction force of the range hood body above the two cooking benches can be controlled and adjusted according to actual needs, and the suction forces above the two cooking benches are mutually allocated. When a single cooking bench is used or two cooking benches are used simultaneously, the suction force above one cooking bench is expected to be larger, the suction force can be doubled nearly under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

In some embodiments, the driving device includes a motor, a motor connecting rod, and a roller, the shutoff plate rotating shaft is rotatably mounted on the range hood body, the shutoff plate rotating shaft is fixedly connected with a connecting sheet, the roller is an H-shaped roller with a groove, the connecting sheet is provided with a notch matched with the groove, the roller is mounted at one end of the motor connecting rod, and the other end of the motor connecting rod is connected with the rotating shaft of the motor. From this, the notch of connection piece conveniently inserts in the recess of H type gyro wheel, and the person's of facilitating the use later stage dismouting is washd, and the motor starts, drives the gyro wheel through the motor connecting rod and produces the displacement, and the connection piece also rotates around the closure plate pivot along with the removal of gyro wheel, realizes that the closure plate opens or closes air inlet department.

In some embodiments, the range hood body is provided with a grid, the intercepting plate is of an outward opening structure, the intercepting plate is provided with a plurality of pieces which are distributed up and down, and the connecting piece connected with the plurality of pieces of intercepting plate is movably hinged through the intercepting plate connecting rod. Therefore, the width of each intercepting plate can adopt a structure with a wide upper part and a narrow lower part, and a good smoke collecting effect can be achieved.

In some embodiments, the side closure plates are disposed on both sides of the closure plate, and the connecting pieces are integrally formed with the side closure plates. Therefore, the side intercepting plates are additionally arranged on the two sides of the intercepting plate, the intercepting plate and the side intercepting plates are integrated into a whole forming mechanism, the connecting plate does not need to be reused, the notches of the connecting plate can be directly opened on the intercepting plate, the side intercepting plates are additionally arranged, the two sides of the intercepting plate are shielded, oil smoke is not easy to diffuse to the two sides, and the smoke collecting effect of the range hood is improved.

In some embodiments, the air inlet portion of the range hood body facing the cooking bench is divided into a left intercepting plate and a right intercepting plate, and the left intercepting plate and the right intercepting plate are respectively divided into a left structure and a right structure, and the left intercepting plate and the right intercepting plate are respectively provided with a driving device. Therefore, the suction force of the air inlet part can be controlled by opening and closing the shutoff plates on the two sides and the angle, so that the suction force above the two cooking benches can be mutually adjusted, and the noise can be reduced.

In some embodiments, the shutoff plate is an inward opening structure, the shutoff plate is provided with a left shutoff plate and a right shutoff plate, the left shutoff plate and the right shutoff plate are respectively provided with a driving device, the shutoff plate rotating shafts of the left shutoff plate and the right shutoff plate are connected through a rotating shaft seat, and the rotating shaft seat is fixed on the range hood body. Therefore, the suction of the range hood body above the two cooking benches is controlled and adjusted according to actual needs, and the suction above the two cooking benches is mutually adjusted. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

In some embodiments, the driving device includes a motor and a steel wire rope, the intercepting plate rotating shaft is rotatably mounted on the extractor hood body through the shaft seat, the steel wire rope is wound on the rotating shaft of the motor and the intercepting plate rotating shaft, the steel wire rope is fixedly connected with the rotating shaft of the motor and the intercepting plate rotating shaft through the fixing member, and the motor can drive the intercepting plate to realize the turnover of 0 degree to 180 degrees through the steel wire rope. The range hood body is provided with a limiting belt for controlling the shutoff plate to turn over within the range of 180 degrees. From this, the closure plate pivot is installed inside the inlet air duct of integrated kitchen through the axle bed, and the motor starts, and the pivot of motor rotates, drives the closure plate pivot through wire rope and rotates, realizes the upset of closure plate to according to actual need control adjusts the suction size of range hood body above two stoves, and suction above two stoves allots is each other. When a single cooking bench is used or two cooking benches are used simultaneously, the suction force above one cooking bench is expected to be larger, the suction force can be doubled under the condition of unchanged power, the energy is saved by 50%, and the noise can be reduced.

In some embodiments, the intercepting plate adopts a left-right structure, the intercepting plate on the left side and the right side is separately provided with a driving device, the driving device comprises a motor, a motor connecting rod and a roller, the roller is arranged on the intercepting plate, the roller is an H-shaped roller with a groove, the motor connecting rod is provided with a notch matched with the groove, the motor connecting rod is fixedly connected with the motor, the range hood body is provided with a guide rail, the two sides of the intercepting plate are limited by the guide rail, and the intercepting plate can ascend and descend. From this, drive arrangement individual control, the motor starts, drives the gyro wheel through the motor connecting rod, drives the closure plate and reciprocates along the guide rail, realizes opening or closes the air inlet department. The intercepting plate adopts a left and right design. Therefore, the suction force of the range hood body above the two cooking benches is controlled and adjusted according to actual needs, and the suction force above the two cooking benches is mutually allocated. When a single cooking bench is used or two cooking benches are used simultaneously, the suction force above one cooking bench is expected to be larger, the suction force can be doubled nearly under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

In some embodiments, the suction force adjustable mechanism of the energy-saving range hood with constant power further comprises an inner plate, an outer plate and a sealing strip, wherein the inner plate is provided with an accommodating cavity which is concave inwards and provided with a cover, a groove is formed in the peripheral edge of the inner plate for accommodating the sealing strip, and the outer plate is mounted on the inner plate through a magnet and a positioning column. From this, through adding in the both sides of range hood body and establishing interior plate and outer panel for accomodate drive arrangement's such as motor parts, make things convenient for the outer panel location through the reference column, utilize the magnet to adsorb installation outer panel, easy dismounting.

In some embodiments, the range hood body is provided with a grid and an oil screen, a smoke collection chamber is formed between the grid and the oil screen, a pit is formed in the inner side of the lower edge of the smoke collection chamber, the lower end of the rotating shaft of the intercepting plate is installed in the pit through the rotating shaft base, and the upper end of the rotating shaft of the intercepting plate is connected with the driving device. Therefore, the driving device, namely the motor, drives the cut-off plate rotating shaft, when the cut-off plate rotates a certain angle, and when the cut-off plate is positioned at the middle position of the smoke collection chamber, the suction force above the two cooking benches is equal. The suction of the range hood body above the two cooking benches is controlled and adjusted by a user according to actual needs, and the suction above the two cooking benches is mutually allocated. When a single cooking bench is used or two cooking benches are used simultaneously, the suction force above one cooking bench is expected to be larger, the suction force can be doubled under the condition of unchanged power, the energy is saved by 50%, and the noise can be reduced.

The utility model provides a power is energy-conserving range hood's suction adjustable mechanism when unchangeable, simple structure, dismouting are convenient, and low in manufacturing cost is honest and clean. The suction adjustable mechanism provides various structural schemes, is applicable to range hoods of various styles, is particularly suitable for integrated stoves, and realizes the opening and closing of the air inlet part wholly or partially. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 and an embodiment 2 of a suction force adjustable mechanism of an energy-saving range hood with constant power according to the present invention;

FIG. 2 is a schematic structural view of embodiment 3;

FIG. 3 is a schematic structural view of example 4;

FIG. 4 is a schematic configuration diagram of a driving apparatus in embodiment 4;

FIG. 5 is a schematic view showing the construction of the rotating shafts of the cut-off plates of the left and right cut-off plates in embodiment 4;

FIG. 6 is a schematic structural view of a suction force adjusting mechanism of the range hood when the rotation shaft of the intercepting plate is located at the center line of the side edge of the accommodating cavity;

FIG. 7 is a schematic structural view of example 5;

FIG. 8 is a schematic view showing a constitution in which a rotating shaft of an intercepting plate is directly driven by a motor in embodiment 5;

FIG. 9 is a schematic structural view of example 6;

FIG. 10 is a schematic structural view of example 7;

FIG. 11 is a schematic view showing a structure in which the cut-off plate of embodiment 7 is mounted on a grid;

FIG. 12 is a schematic view of the closure spindle and spindle base;

FIG. 13 is a schematic view of the configuration of the range hood in which embodiment 7 is installed;

fig. 14 is a structural schematic view of the range hood of fig. 6 with the suction adjustable mechanism mounted on the integrated stove.

Detailed Description

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

As shown in fig. 1, the utility model provides an energy-conserving range hood's when power is unchangeable suction adjustable mechanism installs in range hood body 1, and this energy-conserving range hood's of unchangeable power suction adjustable mechanism includes closure plate 2 and drive arrangement 3. The range hood body 1 is provided with an air inlet 11, the cut-off plate 2 is provided with a cut-off plate rotating shaft 21, the driving device 3 is connected with the cut-off plate rotating shaft 21, and the driving device 3 drives the cut-off plate 2 to rotate around the cut-off plate rotating shaft 21 so that the cut-off plate 2 can completely or partially open and close the air inlet 11. The air inlet part 11 can be partially opened or completely opened through the shutoff plate 2, so that the suction force of the range hood body above the two cooking benches can be controlled and adjusted according to actual needs, and the suction forces above the two cooking benches are mutually allocated. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

Example 1

As shown in fig. 1, in the present embodiment, the suction force adjustable mechanism of the range hood can be used in a side-draft range hood. The suction adjustable mechanism of the energy-saving range hood with the unchanged power is arranged on a range hood body 1 and comprises a shutoff plate 2 and a driving device 3. The driving device 3 comprises a motor 31, a motor connecting rod 32 and a roller 33, wherein the center of the roller 33 is connected with a rotating shaft of the motor 31 through the motor connecting rod 32. The cut-off plate rotating shafts 21 at the two ends of the cut-off plate 2 penetrate through the frames at the two sides of the panel of the range hood and are rotatably arranged. Roller 33 is an H-shaped roller with a groove 331 (shown in fig. 4). The cut-off plate rotating shaft 21 is fixedly connected with a connecting piece 4, and the connecting piece 4 is provided with a notch 41 matched with the groove 331. The connecting piece 4 with the notch 41 and the groove 331 of the roller 33 are installed in a plug-in manner, so that the user can conveniently disassemble, assemble and clean at the later stage, the motor 31 is started, the roller 33 is driven to displace through the motor connecting rod 32, and the connecting piece 4 also rotates around the rotary shaft 21 of the cut-off plate along with the movement of the roller 33, so that the cut-off plate 2 is opened or closed at the air inlet 11.

In this embodiment, a grid 12 is installed at an air inlet 11 of the range hood body 1, the air inlet 11 is located on the grid 12, and the shutoff plate 2 is an outward opening structure. The intercepting plate 2 adopts a multi-piece structure and is distributed up and down, and a connecting piece 4 connected with a plurality of the intercepting plates 2 is movably hinged through an intercepting plate connecting rod 22. The range hood can adopt the intercepting plate 2 in an outward opening and closing mode, and a plurality of intercepting plates 2 are arranged up and down. The width of each intercepting plate 2 can adopt a structure with a wide upper part and a narrow lower part, and a good cigarette gathering effect can be achieved. The number of the intercepting plates 2 may be 2 to 4, or more, like a louver type.

The suction adjustable mechanism of the energy-saving range hood with constant power further comprises an inner side plate 16, an outer side plate 17 and a sealing strip 53, wherein the inner side plate 16 is provided with an inward concave accommodating cavity (not shown), the accommodating cavity is provided with a cover (not shown), a groove (not shown) is arranged at the peripheral edge of the inner side plate 16 to place the sealing strip 53, and the outer side plate 17 is mounted on the inner side plate 16 through a magnet 51 and a positioning column 52. Sealing belts 53 are arranged between the inner side plate 16 and the outer side plate 17 on two sides of the range hood body 1 and between the inner side plate 16 and the outer side plate 17. The positioning columns 52 facilitate positioning of the outer side plate 17, and the magnets 51 are used for adsorbing and mounting the outer side plate 17, so that the assembly and disassembly are convenient.

Example 2

The main difference between the present embodiment 2 and embodiment 1 is that the length design of the intercepting plate 2 is different, and the intercepting plate can be used for a side-draft range hood.

As shown in fig. 1, in this embodiment, the air inlet 11 of the range hood body 1 facing the cooking bench is divided into left and right sides, so that the shutoff plate 2 is divided into left and right two parts. The intercepting plates 2 on the left and right sides are provided with driving devices 3 separately. Therefore, the suction force of the range hood body above the two cooking benches is controlled and adjusted according to actual needs, and the suction force above the two cooking benches is mutually allocated. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

Example 3

The main difference between the present embodiment 3 and embodiment 1 is that the intercepting plate 2 has a different side structure, and can be used in a side-draft range hood.

As shown in fig. 2, in the present embodiment, each of the closure plates 2 has side closure plates 20 at both sides thereof, and the connecting pieces 4 are integrally formed with the side closure plates 20. The side closure plates 20 are additionally provided on both sides of the closure plate 2, so that the closure plate 2 and the side closure plates 20 are integrally formed. Therefore, the notch 41 of the connecting piece 4 can be directly opened on the side intercepting plate 20, so that two sides of the intercepting plate 2 are shielded, oil smoke is not easy to diffuse to two sides, and the smoke collecting effect of the range hood is improved.

Example 4

The main difference between the present embodiment 4 and the present embodiment 1 is that the intercepting plate 2 is an inward opening structure, and is particularly suitable for a down-draft range hood.

As shown in fig. 3 and 4, the cutoff plate 2 is provided with two left and right cutoff plates, and the driving device 3 is provided separately for the two left and right cutoff plates 2. Two ends of the left and right intercepting plates 2 are both provided with intercepting plate rotating shafts 21, the intercepting plate rotating shafts 21 at the two ends can be rotatably installed on the inner side wall of the range hood body 1, the intercepting plate rotating shafts 21 adjacent to the two intercepting plates 2 are connected through a rotating shaft seat 23 (shown in figure 5), and the rotating shaft seat 23 is fixed on the range hood body 1. For the range hood without the grid 12, the intercepting plate 2 in an inward opening and closing mode can be adopted, and thus, the intercepting plate 2 can be designed into a left block and a right block. Therefore, the suction force of the range hood body above the two cooking benches is controlled and adjusted according to actual needs, and the suction force above the two cooking benches is mutually allocated. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

In practice, the closure plate shaft 21 may be positioned intermediate the ends of the closure plate 2, as shown in fig. 6 and 14. The two intercepting plates 2 are arranged on the left and right, the intercepting plate rotating shafts 21 at the two ends can be rotatably arranged on the inner side wall of the range hood body 1, the intercepting plate rotating shafts 21 adjacent to the two intercepting plates 2 are connected through the rotating shaft seat 23, and the rotating shaft seat 23 is fixed on the range hood body 1.

Example 5

As shown in fig. 7, in the present embodiment, the suction force adjustable mechanism of the range hood can be used in a range hood of an integrated stove, and some range hoods of the integrated stove are provided with an air intake 11 on a vertical plane.

The suction adjustable mechanism of the energy-saving range hood with the unchanged power is arranged on a range hood body 1 and comprises a shutoff plate 2 and a driving device 3. The drive means 3 comprises a motor 31 and a wire rope 34. One end of the cut-off plate 2 is provided with a cut-off plate rotating shaft 21, the cut-off plate rotating shaft 21 is of a hollow structure, a pin shaft (not shown) is arranged on the shaft seat 24, the cut-off plate rotating shaft 21 is sleeved on the pin shaft passing through the shaft seat 24, and the shaft seat 24 is arranged on the range hood body 1. The wire rope 34 is wound around the rotating shaft of the motor 31 and the rotating shaft 21 of the cut-off plate, and the wire rope 34 is fixedly connected with the rotating shaft of the motor 31 and the rotating shaft 21 of the cut-off plate through a fixing member 35. The motor 31 can drive the cigarette cutting plate to realize the turnover of 0-180 degrees through the steel wire rope 34. The intercepting plate 2 is arranged inside the air inlet channel of the integrated stove, so that the appearance is not influenced. The motor 31 is started, the rotating shaft of the motor 31 rotates, and the cut-off plate rotating shaft 21 is driven to rotate through the steel wire rope 34, so that the cut-off plate 2 is turned over. Therefore, the suction of the range hood body 1 above the two cooking benches is controlled and adjusted according to actual needs, and the suction above the two cooking benches is mutually adjusted. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

A limit belt 36 is arranged on the inner side wall of the range hood body 1 to control the shutoff plate 2 to rotate in 180 degrees.

As shown in fig. 8, the driving device 3 can be simplified by directly connecting the cut-off plate rotating shaft 21 to the inner wall of the air intake duct of the integrated range without looseness through the rotating shaft of the motor 31. The cut-off plate rotating shaft 21 is driven to rotate by the rotating shaft of the motor 31, so that the cut-off plate 2 is turned over.

Example 6

The main difference between this embodiment 6 and embodiment 1 is that the shutoff plate 2 is different in the manner of opening or closing the air inlet 11.

As shown in fig. 9, the suction force adjustable mechanism of the energy-saving range hood with constant power is installed on the range hood body 1, and the suction force adjustable mechanism of the energy-saving range hood with constant power comprises a shutoff plate 2 and a driving device 3. The driving device 3 includes a motor 31, a motor link 32, and a roller 33. The roller 33 is mounted on the intercepting plate 2, the roller 33 is an H-shaped roller with a groove 331 (as shown in fig. 4), the motor link 32 is provided with a notch 321 matched with the groove 331, the motor link 32 is fixedly connected with the motor 31, the range hood body 1 is provided with a guide rail 37, two sides of the intercepting plate 2 are limited by the guide rail 37, and the intercepting plate 2 can be lifted up and down. The intercepting plate 2 is tightly attached to the front side panel of the range hood body 1. The motor 31 is started, the roller 33 is driven by the motor connecting rod 32, the cut-off plate 2 is driven to move up and down along the guide rail 37, and the air inlet area of the air inlet part 11 is opened or closed. The two sides of the range hood used in this embodiment are also provided with the containing cavities 9 for installing the motor 31 and other components. The intercepting plate 2 adopts a left and right structure, and the intercepting plates 2 on the left and right sides are separately connected with the driving device 3. Therefore, the suction of the range hood body 1 above the two cooking benches is controlled and adjusted according to actual needs, and the suction above the two cooking benches is mutually adjusted. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

Example 7

As shown in fig. 10 to 13, the suction force adjustable mechanism of the energy-saving range hood with constant power is installed on a range hood body 1, and includes a shutoff plate 2 and a driving device 3. The range hood body 1 is provided with a smoke collecting plate 15 which can be opened and closed, the range hood body 1 is provided with a grid 12 and an oil screen 18, a smoke collecting chamber 13 is arranged between the grid 12 and the oil screen 18, a pit (not shown) is arranged on the inner side of the lower edge of the smoke collecting chamber 13, the lower end of a rotating shaft 21 of a shutoff plate is installed in the pit through a rotating shaft base 14, and the upper end of the rotating shaft 21 of the shutoff plate is connected with a driving device 3. The lower end of the closure plate rotating shaft 21 is conical, the rotating shaft base 14 at the lower end is of a blind hole structure, and the closure plate rotating shaft 21 is loosely matched with the rotating shaft base 14 at the lower end. In this embodiment, the driving device 3 is a motor 31, the motor 31 starts to drive the rotation shaft 21 of the cut-off plate, when the cut-off plate 2 rotates a certain angle, and when the cut-off plate is at the middle position of the smoke collection chamber, the suction forces above the two cooking ranges are equal. The suction of the range hood body above the two cooking benches is controlled and adjusted by a user according to actual needs, and the suction above the two cooking benches is mutually allocated. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

The utility model provides a power is energy-conserving range hood's when unchangeable suction adjustable mechanism provides multiple structural scheme, and applicable range hood in multiple style is particularly suitable for integrated kitchen, and simple structure, dismouting are convenient, low in manufacturing cost is favorable to using widely. The air inlet part is completely or partially opened and closed through the shutoff plate, so that the suction force of the range hood body above the two cooking benches is controlled and adjusted according to actual needs, and the suction forces above the two cooking benches are mutually allocated. When a single cooking bench is used or two cooking benches are used simultaneously, and when the suction force above one cooking bench is expected to be larger and the suction force above the other cooking bench is expected to be smaller, the suction force can be increased by nearly one time under the condition of unchanged power, the energy is saved by nearly 50%, and the noise can be reduced.

It should be noted that although various embodiments have been described, these embodiments are merely illustrative of some technical solutions of the present invention, which are not intended to limit the present invention, and that those skilled in the art and any person skilled in the art may make equivalent changes, modifications or substitutions on functions, methods or structures according to the embodiments without departing from the spirit and scope of the technical solutions described in the embodiments of the present invention.

Claims (9)

1. A suction adjustable mechanism of an energy-saving range hood with constant power is arranged on a range hood body (1) and is characterized in that the suction adjustable mechanism of the energy-saving range hood with constant power comprises a shutoff plate (2) and a driving device (3), wherein the range hood body (1) is provided with an air inlet part (11), the shutoff plate (2) is provided with a shutoff plate rotating shaft (21), the driving device (3) is connected with the shutoff plate rotating shaft (21), and the driving device (3) drives the shutoff plate (2) to rotate around the shutoff plate rotating shaft (21) so that the shutoff plate (2) completely or partially opens and closes the air inlet part (11);

drive arrangement (3) include motor (31), motor connecting rod (32), gyro wheel (33), closure plate pivot (21) rotatable the installing in range hood body (1), closure plate pivot (21) fixedly connected with connection piece (4), H type gyro wheel of gyro wheel (33) for having recess (331), connection piece (4) are equipped with notch (41) with recess (331) matched with, the one end in motor connecting rod (32) is installed in gyro wheel (33), and motor (31) is connected to the other end of motor connecting rod (32).

2. The suction force adjustable mechanism of the energy-saving range hood with constant power according to claim 1, wherein the range hood body (1) is provided with a grid (12), the intercepting plate (2) is of an outward opening structure, the intercepting plate (2) is provided with a plurality of pieces which are distributed up and down, and the connecting piece (4) connected with the intercepting plates is movably hinged through an intercepting plate connecting rod (22).

3. The suction force adjustable mechanism of the energy-saving range hood with constant power according to claim 2, wherein side intercepting plates (20) are arranged on two sides of the intercepting plate (2), and the connecting piece (4) and the side intercepting plates (20) are of an integrated structure.

4. The suction force adjustable mechanism of the energy-saving range hood with constant power according to claim 2, wherein the air inlet (11) is divided into left and right sides, the intercepting plate (2) is correspondingly divided into left and right structures, and the intercepting plates (2) on the left and right sides are separately provided with the driving devices (3).

5. The suction force adjustable mechanism of the energy-saving range hood with constant power according to claim 1, wherein the intercepting plate (2) is of an inward opening structure, the intercepting plate (2) is provided with a left intercepting plate and a right intercepting plate, the left intercepting plate and the right intercepting plate (2) are separately provided with the driving device (3), the intercepting plate rotating shafts (21) of the left intercepting plate and the right intercepting plate (2) are connected through a rotating shaft seat (23), and the rotating shaft seat (23) is fixed on the range hood body (1).

6. A suction adjustable mechanism of an energy-saving range hood with constant power is arranged on a range hood body (1) and is characterized in that the suction adjustable mechanism of the energy-saving range hood with constant power comprises a shutoff plate (2) and a driving device (3), wherein the range hood body (1) is provided with an air inlet part (11), the shutoff plate (2) is provided with a shutoff plate rotating shaft (21), the driving device (3) is connected with the shutoff plate rotating shaft (21), and the driving device (3) drives the shutoff plate (2) to rotate around the shutoff plate rotating shaft (21) so that the shutoff plate (2) completely or partially opens and closes the air inlet part (11);

drive arrangement (3) include motor (31) and wire rope (34), closure plate pivot (21) are installed in range hood body (1) through axle bed (24) is rotatable, wire rope (34) twine in the pivot and closure plate pivot (21) of motor (31), wire rope (34) are through pivot, closure plate pivot (21) fixed connection of mounting (35) and motor (31), motor (31) can drive through wire rope (34) and cut the cigarette board and realize 0 degree to 180 degrees upsets, spacing area (36) are installed in range hood body (1).

7. The suction force adjustable mechanism of the energy-saving range hood with constant power according to any one of claims 1 to 6, further comprising an inner plate (16), an outer plate (17) and a sealing strip (53), wherein the inner plate (16) is provided with an inwardly concave accommodating cavity, the accommodating cavity is provided with a cover, a groove is formed at the peripheral edge of the inner plate (16) for accommodating the sealing strip (53), and the outer plate (17) is mounted on the inner plate (16) through a magnet (51) and a positioning column (52).

8. A suction adjustable mechanism of an energy-saving range hood with constant power is arranged on a range hood body (1) and is characterized in that the suction adjustable mechanism of the energy-saving range hood with constant power comprises a shutoff plate (2) and a driving device (3), wherein the range hood body (1) is provided with an air inlet part (11), the shutoff plate (2) is provided with a shutoff plate rotating shaft (21), the driving device (3) is connected with the shutoff plate rotating shaft (21), and the driving device (3) drives the shutoff plate (2) to rotate around the shutoff plate rotating shaft (21) so that the shutoff plate (2) completely or partially opens and closes the air inlet part (11);

the intercepting plate (2) adopts the left and right sides structure, the left and right sides the intercepting plate (2) is equipped with drive arrangement (3) alone, drive arrangement (3) include motor (31), motor connecting rod (32), gyro wheel (33), install in intercepting plate (2) of gyro wheel (33), gyro wheel (33) are for the H type gyro wheel that has recess (331), motor connecting rod (32) are equipped with the notch with recess (331) matched with, motor connecting rod (32) fixed connection motor (31), guide rail (37) are installed in range hood body (1), the both sides of intercepting plate (2) are passed through guide rail (37) spacing, intercepting plate (2) ability oscilaltion.

9. A suction adjustable mechanism of an energy-saving range hood with constant power is arranged on a range hood body (1) and is characterized in that the suction adjustable mechanism of the energy-saving range hood with constant power comprises a shutoff plate (2) and a driving device (3), wherein the range hood body (1) is provided with an air inlet part (11), the shutoff plate (2) is provided with a shutoff plate rotating shaft (21), the driving device (3) is connected with the shutoff plate rotating shaft (21), and the driving device (3) drives the shutoff plate (2) to rotate around the shutoff plate rotating shaft (21) so that the shutoff plate (2) completely or partially opens and closes the air inlet part (11);

the range hood body (1) is provided with a grid (12) and an oil screen (18), a smoke collection chamber (13) is formed between the grid (12) and the oil screen (18), a pit is formed in the inner side of the lower edge of the smoke collection chamber (13), the lower end of a cut-off plate rotating shaft (21) is installed in the pit through a rotating shaft base (14), and the upper end of the cut-off plate rotating shaft (21) is connected with a driving device (3).

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