CN211204143U

CN211204143U - Fume exhaust fan

Info

Publication number: CN211204143U
Application number: CN201921632832.XU
Authority: CN
Inventors: 李永波; 李智怀; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-08-07
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a range hood, which comprises a box body and a smoke collecting hood, wherein the smoke collecting hood is provided with two smoke inlets and a smoke outlet, a liftable oil net is arranged at each smoke inlet, the oil net is connected with a driving component, and a guide component is arranged between the oil net and the smoke collecting hood; under the driving of the driving assembly, the oil screen can perform lifting motion along the guide assembly, so that the oil screen is hidden in the smoke collecting hood or extends downwards from the smoke inlet. The range hood of the utility model can independently adjust the lifting stroke of each oil net according to the oil smoke condition generated by the left and right furnace ends of the kitchen range, thereby realizing the adjustment of the air intake of each oil net, effectively avoiding the energy waste and improving the use experience of users; in addition, through add the direction subassembly between collection petticoat pipe and oil net for the elevating movement of oil net is more smooth and easy.

Description

Fume exhaust fan

Technical Field

The utility model relates to a range hood technical field especially relates to a range hood.

Background

In the cooking process of most households, one side of the kitchen range often generates relatively large oil smoke; the other side generates little oil smoke, even no oil smoke. When the existing range hood is used, the range hood is indiscriminate and fixedly sucks the whole range area, so that when one side of the range hood works, the other side of the range hood does not work or the oil smoke amount in the working process is small, half of the exhaust air of the range hood is sucked into clean air, the pumping and exhausting potential of the range hood is seriously wasted, the energy is wasted, the defect of large noise is caused, and the user experience is poor.

In addition, when a large amount of oil smoke is suddenly generated, the high-speed rising oil smoke collides with the smoke collecting hood or the smoke baffle plate and then overflows around. The negative pressure of present range hood mainly concentrates on directly over two kitchen range centers, and two outside position negative pressures in kitchen range top have become very little, under the big oil smoke impact condition, can't get into in the range hood with its suction and spill over from two kitchen range outside limits, and user experience is relatively poor.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a range hood, its oil smoke condition that can produce according to the furnace end about cooking utensils, the lift stroke of independently adjusting every oil net to realize adjusting the intake of every oil net, effectively avoided the energy extravagant, improve user's use and experience.

According to the range hood that provides above-mentioned, it realizes through following technical scheme:

a range hood comprises a box body and a smoke collecting cover, wherein the smoke collecting cover is provided with two smoke inlets which are independent from each other and at least one smoke outlet which is communicated with the box body; under the driving of the driving assembly, the oil screen can perform lifting motion along the guide assembly, so that the oil screen is hidden in the smoke collecting hood or extends downwards from the smoke inlet.

In some embodiments, the oil net is cylindrical with an open top, and the peripheral side wall of the oil net is provided with a plurality of air inlets, and the smoke inlet is circular or rectangular corresponding to the oil net; the guiding component comprises a moving member and a guiding member, the moving member is movably arranged in the smoke collecting cover, and the guiding member is arranged on the oil screen and is in sliding connection with the moving member in a matched mode.

In some embodiments, the guiding assembly further comprises a support, the support is fixed in the smoke collecting hood and located at the edge of the smoke inlet, the side wall of the oil screen is provided with a sliding groove which is recessed inwards from bottom to top to form the guiding member, the moving member is a roller, and the roller is rotatably arranged on the support and is in sliding connection with the sliding groove in a matching manner.

In some embodiments, the driving assembly includes a driver, a gear and a rack, the driver is fixed in the smoke collecting hood or the box body, the gear is fixedly connected with an output shaft of the driver, one end of the rack is connected with the oil net, and the other end of the rack is meshed with the output end of the gear.

In some embodiments, the rack is provided with a plurality of tooth grooves arranged at intervals along the length direction of the rack, and the total length of the plurality of tooth grooves in the vertical direction is larger than the height of the oil net.

In some embodiments, the drive assembly further comprises a fixed mount by which the driver is mounted inside a side wall of the case.

In some embodiments, a fixing frame is arranged inside the oil net, and the fixing frame is fixedly connected with one end, far away from the driver, of the rack.

In some embodiments, the fixing frame is integrally formed by punching and drawing the bottom of the oil screen inwards, and two opposite ends of the fixing frame are cut and separated from the oil screen to form oil leakage holes.

In some embodiments, the oil strainer further comprises an oil receiving box with an open top, wherein the oil receiving box is detachably mounted on the oil screen and is positioned below the oil leakage hole.

In some embodiments, the oil screen is cylindrical, the peripheral side wall of the oil receiving box is in a truncated cone shape with a small lower end and a large upper end, and the maximum diameter of the peripheral side wall of the oil receiving box is respectively larger than the diameters of the oil screen and the smoke inlet.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the range hood of the utility model can independently adjust the lifting stroke of each oil net according to the oil smoke condition generated by the left and right furnace ends of the kitchen range, thereby realizing the adjustment of the air intake of each oil net, effectively avoiding the energy waste and improving the use experience of users;

2. the utility model discloses a range hood is through setting up the direction subassembly between collection petticoat pipe and oil net for the elevating movement of oil net is more smooth and easy.

Drawings

Fig. 1 is a schematic structural diagram of a range hood in an embodiment of the present invention;

fig. 2 is a sectional view of the range hood in the embodiment of the present invention, in which the parts such as the box body and the like are hidden;

FIG. 3 is a schematic structural view of an oil screen in an embodiment of the present invention

Fig. 4 is a schematic structural view of another angle of the oil screen in the embodiment of the present invention;

fig. 5 is a partially enlarged view of a portion a in fig. 2;

fig. 6 is a partially enlarged view of a portion B in fig. 2;

fig. 7 is a schematic structural diagram of the oil receiving box in the embodiment of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

As shown in fig. 1-2, a range hood comprises a box body 1, a fume collecting hood 2, an oil screen 3, a guide assembly 4 and a driving assembly 5. The fume collecting hood 2 is provided with two fume inlets (not shown in the figure) which are arranged side by side at the left and right sides and are independent of each other on one side facing the cooker, and the top of the fume collecting hood 2 is provided with at least one fume outlet 21 communicated with the box body 1. A liftable oil net 3 is arranged at each smoke inlet, the oil net 3 is connected with a driving component 5, and a guide component 4 is arranged between the oil net 3 and the smoke collecting hood 2. Under the drive of the driving assembly 5, the oil screen 3 can perform lifting motion along the guide assembly 4, so that the oil screen 3 is hidden in the smoke collecting hood 2 or extends downwards from the smoke inlet.

The range hood of this embodiment, it is through setting up two smoke inlets independent each other on collection petticoat pipe 2 to enter the oil net 3 that the mouth set up the liftable at every, so that the user can be according to the oil smoke condition that the furnace end produced about cooking utensils, independently adjust every oil net 3's lift stroke, thereby realize adjusting every oil net 3's intake, effectively avoided the energy extravagant, improve user's use and experience. In addition, through add the direction subassembly 4 between collection petticoat pipe 2 and oil net 3 for the elevating movement of oil net 3 is more smooth and easy.

Specifically, an air cabinet system (not shown in the figure) is arranged inside the box body 1, and a smoke exhaust port is arranged at the top of the box body. The collection petticoat pipe 2 of this embodiment, its top is equipped with a outlet flue 21 that supplies the oil smoke pumping to enter into the fume hood system, is equipped with the chimb 22 that extends up at the border of outlet flue 21, and this chimb 22 and collection petticoat pipe 2 integrated into one piece are used for being connected with the inside wall lower extreme interference fit of box 1 to prevent that the oil smoke from overflowing and influencing kitchen air quality from the gap between collection petticoat pipe 2 and the box 1.

As shown in fig. 3-4, the oil screen 3 is a cylinder with an open top, and the peripheral side wall of the oil screen is provided with a plurality of air inlets 31, so as to expand the negative pressure region, increase the smoke collecting range and improve the smoking effect. The smoke inlet is round or rectangular corresponding to the oil screen 3, so that the matching degree of the oil screen 3 and the smoke inlet is improved, and the gap area between the oil screen 3 and the smoke inlet is reduced. Preferably, the oil screen 3 of this embodiment is cylindrical, and two rows of strip-shaped air inlets 31 are arranged on the peripheral side wall of the oil screen 3 side by side up and down, so that on one hand, the total air intake volume of the oil screen 3 is increased, and on the other hand, the oil screen 3 has different air intake areas at different positions of the lifting stroke, thereby being beneficial to adjusting the air intake volume of the area above the cooking range of the cooking range.

More preferably, the total area of all the elongated air inlets 31 is not less than 15000mm²In order to guarantee that oil net 3 has enough big total intake to guarantee to produce a large amount of oil smoke suddenly in culinary art process, range hood can suck the oil smoke high-efficiently, reduces oil smoke escape or excessive, improves user experience.

As shown in fig. 5, further, the guiding assembly 4 includes a moving member 41 and a guiding member 42, the moving member 41 is movably disposed in the smoke collecting hood 2, the guiding member 42 is disposed on the oil net 3 and is in sliding connection with the moving member 41, so that the lifting movement of the oil net 3 is smoother through the cooperation of the moving member 41 and the guiding member 42.

Specifically, the guiding assembly 4 further includes a bracket 43, the bracket 43 is fixed in the smoke collecting hood 2 and located at the edge of the smoke inlet, the side wall of the oil net 3 is provided with a sliding groove 32 which is recessed inwards from bottom to top to form a guiding member 42, and the moving member 41 is a roller which is rotatably arranged on the bracket 43 and is in sliding connection with the sliding groove 32 in a matching manner. Thereby, the moving member 41 is rotatably provided inside the hood 2 by the bracket 43; simultaneously under the gyro wheel and the spout 32 mating reaction, make oil net 3 reciprocate along the length direction of spout 32, not only improved oil net 3 lifting motion's smooth and easy nature, can also prevent that oil net 3 from taking place the skew in the lifting motion in-process position.

In the present embodiment, four sliding grooves 32 (see fig. 3) are symmetrically arranged on the peripheral side wall of the oil screen 3, and the length of each sliding groove 32 is the same as the height of the oil screen 3, so as to ensure that the oil screen 3 can have the maximum lifting stroke. The number of the rollers and the brackets 43 is four, the four brackets 43 are symmetrically arranged around the smoke inlet and correspond to the position of the chute 32, and each bracket 43 is provided with a roller which can rotate and is matched with the chute 32. Therefore, the lifting motion of the oil screen 3 is more stable through the four guide assemblies 4.

More specifically, the bracket 43 includes a fixing plate 431 and two connecting arms 432 arranged in parallel, the fixing plate 431 is fixed to the inner side of the bottom of the smoke collecting hood 2 and close to the smoke inlet by other connecting means such as bonding or screws, the fixed ends of the connecting arms 432 are respectively formed integrally with the fixing plate 431, and the free ends extend toward the upper side of the smoke inlet, so that the moving member is located above the smoke inlet and can be slidably connected with the sliding groove 32 in a matching manner. The moving member 41 is rotatably connected to the free ends of the two connecting arms 432 through a connecting shaft (not shown), and at least a portion of the moving member is accommodated in the sliding groove 32, so as to guide and limit the lifting movement of the sliding groove 32.

As shown in fig. 6, further, the driving assembly 5 includes a driver 51, a gear 52 and a rack 53, the driver 51 is fixed in the fume collecting hood 2 or the housing 1, the gear 52 is fixedly connected with an output shaft of the driver 51, one end of the rack 53 is connected with the oil net 3, and the other end is meshed with an output end of the gear 52. Therefore, the forward and reverse rotation of the driver 51 can drive the oil screen 3 to move up and down through the gear 52 and the rack 53, and the forward and reverse rotation stroke of the driver 51 is controlled to control the lifting stroke of the oil screen 3.

Specifically, the rack 53 is provided with a plurality of tooth grooves 531 arranged at intervals along the length direction thereof, and the total length of the tooth grooves 531 in the vertical direction is greater than the height of the oil screen 3, so that the driver 51 can drive the oil screen 3 to completely extend downwards from the smoke inlet through the gear 52 and the rack 53 in sequence, or be hidden inside the smoke collecting hood 2.

In addition, the driving assembly 5 further includes a fixing bracket 54, the driver 51 is installed inside the sidewall of the case 1 through the fixing bracket 54. in this embodiment, the driver 51 is a motor, the fixing bracket 54 has a shape of "L", one surface of which is fixedly connected with the driver 51, and the other surface of which is fixedly connected with the lower end of the inner sidewall of the case 1, so that the driver 51 and the gear 52 fixedly connected to the driver 51 are stably installed inside the case 1.

More specifically, a fixed frame 33 (see fig. 3) is arranged inside the oil net 3, one end of the rack 53, which is far away from the driver 51, is fixedly connected with the fixed frame 33, and the other end of the rack passes through the smoke outlet 21 of the smoke collecting hood 2 upwards and then is meshed with the gear 52.

As shown in fig. 3, it is preferable that the fixing frame 33 is provided at the bottom inside center of the oil net 3, so that the smoothness of the lifting motion of the oil net 3 can be improved. More preferably, the fixing frame 33 is integrally formed by inwardly stamping and stretching the bottom of the oil screen 3, and the opposite ends of the fixing frame 33 are cut and separated from the oil screen 3 to form the oil leakage holes 34, so that the connecting process between the fixing frame 33 and the oil screen 3 can be omitted, and the assembly efficiency can be improved; meanwhile, the oil leakage holes 34 are provided to prevent oil dirt from being accumulated in the oil net 3.

As shown in fig. 7, the range hood further includes an oil receiving box 6 with an open top, the oil receiving box 6 is detachably mounted on the oil screen 3 and located below the oil leaking holes 34 (see fig. 1), and is used for receiving the oil stains dropping from the oil leaking holes 34 and preventing the oil stains from dropping to the cooking bench to affect the cleanness and sanitation of the cooking bench.

Preferably, the circumferential side wall of the oil receiving box 6 is in a truncated cone shape with a small lower end and a large upper end, and the maximum diameter of the circumferential side wall of the oil receiving box 6 is respectively greater than the diameters of the oil screen 3 and the smoke inlet, so that on one hand, when the oil receiving box 6 rises to the highest point along with the oil screen 3, the edge of the oil receiving box 6 is abutted against the outer side of the bottom of the smoke collecting hood 2 to completely close the smoke inlet; on the other hand, the oil receiving box 6 can completely trap the oil net trapped by the oil net 3. In addition, when the range hood works, the maximum diameter of the side wall of the oil receiving box 6 is larger than the diameter of the oil screen 3, so that negative pressure can be further expanded outwards, the oil smoke around the furnace end of the cooker is reduced to escape, the smoke gathering effect is improved, and the use experience of a user is further improved.

In addition, two hanging pieces 61 which are symmetrically arranged are arranged on the inner side of the bottom of the oil receiving box 6, and the hanging pieces 61 are similar to a Z shape. Two hooks 35 (see fig. 4) suitable for being matched with the hanging piece 61 are fixedly arranged on the outer side of the bottom of the oil screen 3, and the two hooks 34 are symmetrically arranged on two sides of the oil leakage hole 34 and are similar to a Z shape. During installation, the hanging piece 61 of the oil receiving box 6 is aligned to the hook 35 at the bottom of the oil screen 3, and then the hanging piece 61 is pushed into the hook 35 from front to back so that the hanging piece 61 is matched and clamped with the hook 35. From this, cooperate the joint through pendant 61 and couple 35 for connect the bottom at oil net 3 of the installation of 6 detachable of oil box, be convenient for connect the dismouting and the cleanness of oil box 6.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A range hood is characterized by comprising a box body (1) and a smoke collecting hood (2), wherein the smoke collecting hood (2) is provided with two smoke inlets independent of each other and at least one smoke outlet (21) communicated with the box body (1), each smoke inlet is provided with a liftable oil screen (3), each oil screen (3) is connected with a driving assembly (5), and a guide assembly (4) is arranged between each oil screen (3) and the smoke collecting hood (2); driven by the driving assembly (5), the oil screen (3) can perform lifting motion along the guide assembly (4), so that the oil screen (3) is hidden in the smoke collecting hood (2) or extends downwards from the smoke inlet.

2. The range hood according to claim 1, wherein the oil screen (3) is cylindrical with an open top, and the peripheral side wall of the oil screen is provided with a plurality of air inlets (31), and the smoke inlet is circular or rectangular corresponding to the oil screen (3); the guiding assembly (4) comprises a moving member (41) and a guiding member (42), the moving member (41) is movably arranged in the fume collecting hood (2), and the guiding member (42) is arranged on the oil net (3) and is in sliding connection with the moving member (41) in a matching mode.

3. A range hood as claimed in claim 2, wherein the guiding assembly (4) further comprises a bracket (43), the bracket (43) is fixed in the smoke collecting hood (2) and located at the edge of the smoke inlet, the side wall of the oil screen (3) is provided with a sliding groove (32) which is recessed inwards from bottom to top to form the guiding member (42), the moving member (41) is a roller wheel, and the roller wheel is rotatably arranged on the bracket (43) and is in sliding connection with the sliding groove (32).

4. A range hood according to any one of claims 1-3, wherein the driving assembly (5) comprises a driver (51), a gear (52) and a rack (53), the driver (51) is fixed in the fume collecting hood (2) or the box body (1), the gear (52) is fixedly connected with an output shaft of the driver (51), one end of the rack (53) is connected with the oil net (3), and the other end is meshed with an output end of the gear (52).

5. A range hood according to claim 4, characterized in that the rack (53) is provided with a plurality of tooth grooves (531) arranged at intervals along the length direction thereof, and the total length of the plurality of tooth grooves (531) in the vertical direction is larger than the height of the oil screen (3).

6. A range hood according to claim 4, wherein the driving assembly (5) further comprises a fixed support (54), and the driver (51) is mounted inside the side wall of the box body (1) through the fixed support (54).

7. The range hood according to claim 4, wherein a fixed frame (33) is arranged inside the oil net (3), and the fixed frame (33) is fixedly connected with one end of the rack (53) far away from the driver (51).

8. The range hood according to claim 7, wherein the fixing frame (33) is integrally formed by inwardly stamping and stretching the bottom of the oil screen (3), and two opposite ends of the fixing frame (33) are cut and separated from the oil screen (3) to form oil leakage holes (34).

9. A range hood according to claim 8, further comprising an oil receiving box (6) with an open top, wherein the oil receiving box (6) is detachably mounted on the oil screen (3) and is located below the oil leakage hole (34).

10. The range hood according to claim 9, wherein the oil screen (3) is cylindrical, the peripheral side wall of the oil receiving box (6) is truncated cone-shaped with a small lower end and a large upper end, and the maximum diameter of the peripheral side wall of the oil receiving box (6) is respectively larger than the diameters of the oil screen (3) and the smoke inlet.