CN115419935A - Smoke guide structure and range hood - Google Patents

Abstract

The invention relates to the technical field of intelligent household appliances, and particularly provides a smoke guide structure and a range hood, wherein the smoke guide structure comprises: the smoke collecting cover is provided with a plurality of smoke inlet openings which are respectively and correspondingly arranged with the smoke guide plates, one end of each smoke guide plate is rotatably connected to the smoke collecting cover, and the other end of each smoke guide plate reciprocates along the direction close to and far away from the smoke collecting cover, so that the smoke inlet openings are opened and closed; the smoke guide plates are symmetrically arranged on two opposite side surfaces of the smoke collecting hood and are longitudinally arranged in layers on the two side surfaces of the smoke collecting hood. According to the scheme of the invention, a large amount of generated oil smoke can be discharged from a plurality of positions of the smoke collecting hood, the escaped oil smoke can be sucked again, the problem of oil smoke escape caused by single air inlet position is solved, the smoking effect is good, and the problem that the cooking environment is polluted due to oil smoke escape is solved.

Description

Smoke guide structure and range hood

Technical Field

The invention relates to the technical field of household appliances, in particular to a smoke guide structure and a range hood.

Background

At present, a middle island range hood is generally provided with a mounting and fixing structure at the top of the range hood, and the side surfaces of the periphery of the range hood are open areas. The user can cook on the four sides of the Zhongdao cigarette machine. In the working process of the Zhongdao cigarette machine, the conditions of poor cigarette gathering effect and oil smoke escape are easy to occur. When the Zhongdao cigarette machine is stopped, the operation of the user on the periphery of the Zhongdao cigarette machine can be influenced due to the fact that the Zhongdao cigarette machine has a large appearance size.

In the prior art, the middle-island range hood is generally provided with the openable smoke collecting plates on two sides of the lower end of the smoke collecting hood, the two smoke collecting plates and the baffle on the side wall of the smoke collecting hood form a smoke collecting area for collecting smoke, and after the smoke is collected, the smoke collecting plates recover to the original state to form a smoke inlet with a normal angle with the baffle. According to the scheme, when large oil smoke is generated in a cooking scene, a large amount of oil smoke cannot be discharged in time, and part of oil smoke easily escapes along the edge of the smoke collecting plate, so that the smoking effect is poor, and the escaped oil smoke can pollute the environment.

Disclosure of Invention

The invention aims to solve the technical problems that in the prior art, an island type range hood cannot discharge a large amount of oil smoke in time, part of oil smoke is easy to escape along the edge of a smoke collecting plate, the smoking effect is poor, and the escaped oil smoke can pollute the environment, and provides a smoke guide structure and a range hood.

To achieve the above object, the present invention provides a smoke guiding structure, comprising: the smoke collection device comprises a shell, a fan assembly arranged in the shell, a smoke collection cover connected with the shell, and a plurality of smoke guide plates arranged on the smoke collection cover, wherein the smoke collection cover is provided with a plurality of smoke inlet ports respectively corresponding to the smoke guide plates, one end of each smoke guide plate is connected to the smoke collection cover, and the other end of each smoke guide plate reciprocates in the direction close to and far away from the smoke collection cover so as to open and close the smoke inlet ports;

the smoke guide plates are symmetrically arranged on two opposite side surfaces of the smoke collecting hood and are longitudinally arranged in layers on the two side surfaces of the smoke collecting hood.

According to one aspect of the invention, the smoke guide plate comprises a first smoke guide plate arranged at one end of the smoke collecting hood far away from the outer shell and a second smoke guide plate arranged at one end of the smoke collecting hood close to the outer shell.

According to one aspect of the invention, the projection of the second smoke guide plate in the direction of the first smoke guide plate covers the first smoke guide plate.

According to one aspect of the invention, the opening and closing angle of the second smoke guide plate is larger than that of the first smoke guide plate.

According to one aspect of the invention, the shell is provided with a connecting groove connected with the smoke collecting hood near the end part of the smoke collecting hood.

According to one aspect of the invention, the connecting groove is a trapezoidal groove.

According to one aspect of the invention, the fume collecting hood includes a first fume collecting portion connected to the connecting groove and a second fume collecting portion communicated with the first fume collecting portion;

first collection cigarette portion with all set up into cigarette opening on the second collection cigarette portion.

According to one aspect of the invention, the first smoke collecting part is a structure matched with the connecting groove.

According to an aspect of the present invention, the first smoke collecting portion includes a connecting portion embedded and fixed in the connecting groove, and a smoke sucking portion located outside the connecting groove, the smoke sucking portion is provided with the smoke inlet and the second smoke guide plate for opening and closing the smoke inlet, and the connecting portion is provided with the smoke inlet.

According to one aspect of the invention, the end part of the outer shell close to the smoke collecting hood is also provided with an auxiliary smoke inlet.

According to one aspect of the invention, the smoking parts are positioned at two ends of the connecting part, and the auxiliary smoke inlet is positioned between the two smoking parts.

According to an aspect of the present invention, the second smoke collecting portion is arranged symmetrically to the first smoke collecting portion.

According to one aspect of the invention, the second smoke collection part is provided with the smoke inlet and the first smoke guide plate for opening and closing the smoke inlet, and the end part of the first smoke guide plate is hinged at the joint of the second smoke collection part and the first smoke collection part.

According to one aspect of the invention, the first smoke guide plate arranged on the second smoke collection part has a plurality of opening and closing angles.

According to an aspect of the present invention, when the first smoke guide plate provided on the second smoke collection portion is located at the maximum opening and closing angle, the slope of the first smoke guide plate is the same as the slope of the outer wall of the first smoke collection portion.

According to an aspect of the present invention, the second smoke guide provided at the smoking part has a plurality of opening and closing angles.

According to an aspect of the present invention, a plurality of the smoke inlet ports are respectively provided on a plurality of surfaces of the smoke collecting cover.

According to one aspect of the invention, the cigarette guiding plate device further comprises a driving mechanism for driving the cigarette guiding plate to act, wherein the driving mechanism comprises a driving motor, a driving rod connected with the driving motor, and a supporting frame connected with the driving rod and the cigarette guiding plate.

According to one aspect of the present invention, a range hood includes: the shell, the fan subassembly of setting in the shell, with the end connection's of shell collection petticoat pipe, vertically install a plurality of smoke deflector on the collection petticoat pipe hierarchically, be equipped with on the collection petticoat pipe a plurality ofly and each smoke deflector correspond the smoke inlet that sets up respectively, smoke deflector's one end is rotated and is connected on collection petticoat pipe, smoke deflector's the other end along being close to and keeping away from the direction reciprocating motion of collection petticoat pipe to the switch advances the smoke inlet. So set up, can be so that the collection petticoat pipe from the top down have a plurality of smoke inlets, simultaneously through the opening and shutting of the smoke guide plate that corresponds the setting with smoke inlet can realize that collection petticoat pipe many places smoking is discharged fume. Moreover, through the upper and lower layering arrangement of smoke guide plate, can also realize when the lower extreme smoking of collection petticoat pipe, even if produced the oil smoke that escapes, the oil smoke that escapes also can be held together cigarette and smoking through arranging the smoke guide plate and the mouth of advancing in the top of collection petticoat pipe after rising, can guarantee like this to cook and can not produce the loss oil smoke in the scene, guarantees good smoking effect, guarantees clean pollution-free of environment.

According to one aspect of the invention, the smoke guide plates are symmetrically arranged on two opposite side surfaces of the smoke collecting hood and are longitudinally arranged in layers on the two side surfaces of the smoke collecting hood. So set up, can make chinese island range hood can realize two sides big discharge capacity smoke abatement when the smoking, increase a plurality of positions smoking of a plurality of angles, guarantee the smoking effect, guarantee that the oil smoke can not take place the loss.

According to one aspect of the invention, the smoke guide plate comprises a first smoke guide plate arranged at one end of the smoke collecting hood far away from the shell and a second smoke guide plate arranged at one end of the smoke collecting hood close to the shell. Wherein, the opening and closing angle of the second smoke guide plate is larger than that of the first smoke guide plate. So set up, can so that lead the oil smoke of loss from first smoke deflector can be sheltered from by the second smoke deflector of its top and hold together the cigarette, then inhale through the inlet flue that leads the cigarette board with the second and correspond, can guarantee like this to cook and can not have the oil smoke of thorough loss to the environment in the scene, guarantee smoking effect.

According to one scheme of the invention, the end part of the shell close to the smoke collecting hood is provided with a connecting groove for connecting the smoke collecting hood. So set up, can make the collection petticoat pipe be connected with the shell through the mode of embedding the cell body, can effectively improve the area of contact who connects like this, improve joint strength, improve overall structure rigidity, moreover, can also effectively reduce range hood's whole volume, practice thrift installation space in the kitchen.

According to one aspect of the present invention, the fume collecting hood includes a first fume collecting portion connected to the connecting groove and a second fume collecting portion connected to the first fume collecting portion. All set up into the mouth on first collection cigarette portion and the second collection cigarette portion. Wherein, the first smoke collecting part is a trapezoidal structure matched with the trapezoidal groove in a shape. So set up, when can be so that collection petticoat pipe and shell are connected, area of connection between them further strengthens for joint strength is bigger, and the structure is more stable. Moreover, so set up, can also make the area of advancing the mouth of cigarette that sets up on the collection petticoat pipe more the smoke inlet area on the collection petticoat pipe of ordinary shape bigger, can make the smoking effect better like this under limited design space condition.

According to one scheme of the invention, the end part of the outer shell close to the smoke collecting hood is also provided with an auxiliary smoke inlet close to the connecting groove. The auxiliary smoke inlet is communicated with a smoke inlet arranged on the connecting part. So set up, can be so that the oil smoke from collection petticoat pipe below loss suction through advancing the mouth and supplementary mouth of cigarette simultaneously, guarantee suction area and suction dynamics, guarantee the smoking effect.

According to one aspect of the present invention, the second fume collecting portion has an inverted trapezoidal structure, and is arranged symmetrically with respect to the first fume collecting portion. So set up for the collection petticoat pipe is whole to be the rhombus shape, can increase the area that sets up of inlet flue like this effectively, guarantees the smoking effect. Moreover, the rhombus structure can also be used for avoiding colliding in the culinary art in-process, guarantees the head safety in the culinary art in-process.

According to one aspect of the present invention, the first smoke guide plate provided on the second smoke collection portion has a plurality of opening and closing angles. Preferably, when the first smoke guide plate arranged on the second smoke collection part is positioned at the maximum opening and closing angle, the slope of the first smoke guide plate is the same as that of the outer wall of the first smoke collection part. So set up, can make first smoke deflector open when the biggest angle and first collection cigarette portion form a plane, when second collection cigarette portion department produced the oil smoke of loss like this, the oil smoke can form the guide direction of no obstruction to the oil smoke through first smoke deflector and rather than the outer wall that forms a planar first collection cigarette portion, can make the oil smoke of loss more smoothly be inhaled by the mouth that advances of first collection cigarette portion department and remove like this, guarantees smoking effect.

According to an aspect of the present invention, the second smoke guide provided at the smoking part also has a plurality of opening and closing angles. Moreover, the opening and closing angle of the second smoke guide plate arranged at the smoke suction part is larger than the opening and closing angle of the first smoke guide plate arranged on the second smoke collection part, so that the oil smoke dissipated from the first smoke guide plate can be further sucked and removed by the second smoke guide plate cage in a matching way. Therefore, the best smoking effect can be ensured, and the oil smoke dissipated from the first smoke guide plate can not be further dissipated from the second smoke guide plate.

According to one scheme of the invention, the smoke guide plate can be in surface contact with one edge of the supporting frame in the movement process through the arrangement of the supporting frame, so that the movement of the smoke guide plate is more stable in the movement process, the supporting stress is more balanced and uniform, the structural strength can be ensured, the stress concentration is reduced, and the service life is prolonged.

According to the scheme of the invention, the island type range hood has higher structural strength and smaller occupied space, the fume collecting hood is not easy to collide with the head of a user, and most importantly, through the arrangement, a large amount of generated oil fume can be discharged from multiple positions of the fume collecting hood, the escaped oil fume can be sucked again, the problem that the oil fume escapes due to single air inlet position in the prior art is solved, the smoking effect is good, and the problem that the cooking environment is polluted due to the oil fume escape is solved.

Drawings

FIG. 1 schematically illustrates a perspective view of a smoke guide structure according to an embodiment of the present invention;

FIG. 2 schematically illustrates a side cross-sectional view of a smoke guide structure according to an embodiment of the present invention;

FIG. 3 schematically illustrates a first smoke guide plate in a deployed configuration in accordance with one embodiment of the present invention;

fig. 4 schematically shows a construction of the second smoke guide plate when it is deployed according to an embodiment of the present invention.

Detailed Description

The content of the invention will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are only for the purpose of enabling a person of ordinary skill in the art to better understand and thus implement the contents of the present invention, and do not imply any limitation on the scope of the present invention.

As used herein, the term "include" and its variants are to be read as open-ended terms meaning "including, but not limited to. The term "based on" is to be read as "based, at least in part, on". The terms "one embodiment" and "an embodiment" are to be read as "at least one embodiment".

Fig. 1 schematically shows a perspective view of a smoke guide structure according to an embodiment of the present invention. Figure 2 schematically shows a side cross-sectional view of a smoke guide structure according to an embodiment of the invention. As shown in fig. 1 and 2, in the present embodiment, the range hood of the present invention includes: the shell 1, set up fan subassembly 2 in shell 1, the collection petticoat pipe 3 of being connected with shell 1 (lower extreme in figure 1), arrange a plurality of smoke deflector 4 on collection petticoat pipe 3, be equipped with a plurality ofly on collection petticoat pipe 3 and lead the cigarette mouth that cigarette deflector 4 corresponds the setting respectively with each, the one end of smoke deflector 4 is connected on collection petticoat pipe 3, the other end of smoke deflector 4 along the direction reciprocating motion that is close to and keeps away from collection petticoat pipe 4 to the switch advances the cigarette mouth. So set up, can be so that from the top down have a plurality of smoke inlets on the collection petticoat pipe, 3 many places smoking of collection petticoat pipe are discharged fume can be realized to opening and shutting through the smoke deflector 4 that correspond the setting with smoke inlet simultaneously. Moreover, through the upper and lower layering arrangement of smoke deflector 4, can also realize when the lower extreme smoking of collection petticoat pipe 3, even if produced the oil smoke of escape, the oil smoke of escape also can be gathered together cigarette and smoking through smoke deflector 4 and the inlet flue of arranging in the top of collection petticoat pipe 3 after rising, can guarantee like this to cook and can not produce the loss oil smoke in the scene, guarantees good smoking effect, guarantees clean and pollution-free environment.

Further, in the present embodiment, the smoke guide plates 4 are symmetrically provided on opposite two side surfaces (i.e., front and rear two side surfaces in fig. 1) of the smoke collecting hood 3, and are arranged in layers longitudinally on the two side surfaces of the smoke collecting hood 3. So set up, can make chinampa range hood can realize two sides big discharge capacity smoke abatement when the smoking, increase a plurality of positions smoking of a plurality of angles, guarantee the smoking effect, guarantee that the loss can not take place for the oil smoke.

As shown in fig. 1 and 2 in conjunction, in the present embodiment, the smoke guide plate 4 includes a first smoke guide plate 401 disposed at an end of the smoke collecting hood 4 away from the outer case 1 (i.e., a lower end in fig. 1 and 2) and a second smoke guide plate 402 disposed at an end of the smoke collecting hood 4 close to the outer case 1 (i.e., an upper end in fig. 1 and 2). The opening and closing angle of the second smoke guide plate 402 is larger than that of the first smoke guide plate 401. So set up, can so that can shelter from by the second smoke deflector 402 of its top from the oil smoke of first smoke deflector 401 loss and hold together the cigarette, then inhale through the inlet flue that corresponds with second smoke deflector 402, can guarantee like this to have the oil smoke of thorough loss to the environment in the culinary art scene, guarantee smoking effect.

Of course, in the present invention, besides the arrangement of the first smoke guide plate 401 and the second smoke guide plate 402, the projection of the second smoke guide plate 402 to the direction of the first smoke guide plate 401 may also cover the first smoke guide plate 401. So set up, can be so that no matter in what kind of oil smoke scene, the loss oil smoke of crossing first smoke deflector 401 still is in the cage within range of second smoke deflector 402 for the oil smoke of loss can be effectively held together the cigarette by second smoke deflector 402, then inhales through the mouth that advances that corresponds and removes. The scheme can be suitable for the smoke collecting hood 4 with any shape, and the first smoke guide plate 401 and the second smoke guide plate 402 can be simultaneously positioned on the same plane or respectively positioned on different planes.

Further, as shown in fig. 1, in the present embodiment, the end of the housing 1 near the smoke collecting hood 3 is provided with a coupling groove 101 to which the smoke collecting hood 3 is coupled. So set up, can be so that collection petticoat pipe 3 can be connected with shell 1 through the mode of embedding the cell body, can effectively improve the area of contact who connects like this, improve joint strength, improve overall structure rigidity, moreover, can also effectively reduce range hood's whole volume, practice thrift installation space in the kitchen. As shown in fig. 1, in the present embodiment, the coupling groove 101 is a trapezoidal groove.

Further, as shown in fig. 1 and 2, in the present embodiment, the smoke collecting hood 3 includes a first smoke collecting portion 301 connected to the connecting groove 101 and a second smoke collecting portion 302 connected to the first smoke collecting portion 301. Smoke inlets 6 are provided on both the first smoke collecting part 301 and the second smoke collecting part 302. Wherein, the first smoke collecting part 301 is a trapezoidal structure matched with the trapezoidal groove. So set up, when can be so that collection petticoat pipe 3 is connected with shell 1, area of connection between them further strengthens for joint strength is bigger, and the structure is more stable. Moreover, so set up, can also make the area of the smoke inlet of setting on collection petticoat pipe 3 go up the cigarette inlet area bigger than the collection petticoat pipe of ordinary shape, can make the smoking effect better like this under limited design space condition. Of course, in the present invention, the connecting groove 101 may also be a groove with any other shape, and the first smoke collecting portion 301 may be a protruding structure with any other shape, as long as the connecting groove 101 and the first smoke collecting portion 301 can be stably connected, so as to ensure the overall connection strength.

Further, as shown in fig. 1, in the present embodiment, the first smoke collecting portion 301 includes a connecting portion (not shown) fitted and fixed in the trapezoidal groove, and a smoke sucking portion 3011 located outside the trapezoidal groove, the smoke sucking portion 3011 is provided with a smoke inlet and a second smoke guide 402 for opening and closing the smoke inlet, and the connecting portion is provided with a smoke inlet. So set up, can suck the oil smoke of loss through the smoking portion 3011 of stable installation on the collection petticoat pipe 3 on shell 1 and rather than complex second smoke deflector 402, guarantee that the oil smoke can not lose to the family environment in.

Further, as shown in fig. 1, in the present embodiment, the end of the outer shell 1 near the smoke collecting hood 3 is also provided with an auxiliary smoke inlet 7 next to the connecting groove 101. The auxiliary smoke inlet 7 is communicated with a smoke inlet port arranged on the connecting part. So set up, can be so that the oil smoke of 3 below ease of collection petticoat pipe can be simultaneously through smoking portion 3011 and supplementary inlet flue 7 suction, guarantee suction area and suction dynamics, guarantee the smoking effect.

As shown in fig. 1, in the present embodiment, the smoking sections 3011 are located at both ends of the connection section, and the auxiliary smoke inlet 7 is located between the two smoking sections 3011. So set up, can be so that the cigarette inlet that smoking portion 3011 department set up and supplementary cigarette inlet 7 aspirate the oil smoke of below loss simultaneously, guarantee to carry out the suction of coverability to the oil smoke of loss, the oil smoke of loss can not escape once more.

Further, as shown in fig. 1, in the present embodiment, the second smoke collecting portion 302 has an inverted trapezoidal structure, and is arranged symmetrically to the first smoke collecting portion 301. So set up for the collection petticoat pipe is whole to be the rhombus shape, can increase the area that sets up of inlet flue like this effectively, guarantees the smoking effect. Moreover, the rhombus structure can also be used for avoiding colliding in the culinary art in-process, guarantees the head safety in the culinary art in-process.

Further, as shown in fig. 1 and 2, in the present embodiment, the second smoke collecting portion 302 is provided with a smoke inlet and a first smoke guide plate 401 for opening and closing the smoke inlet, and an end of the first smoke guide plate 401 provided on the second smoke collecting portion 302 is hinged to a connection portion of the second smoke collecting portion 302 and the first smoke collecting portion 301. So set up, can guarantee that the setting of the biggest area goes up second collection cigarette portion 302 advances the mouth for smoking area is bigger, and smoking effect is better.

In the present embodiment, the first smoke guide plate 401 provided in the second smoke collecting portion 302 has a plurality of opening/closing angles. Preferably, when the first smoke guide plate 401 disposed on the second smoke collecting portion 302 is located at the maximum opening and closing angle, the slope of the first smoke guide plate 401 is the same as the slope of the outer wall of the first smoke collecting portion 301. So set up, can make first fume deflector 401 form a plane with first collection cigarette portion 301 when opening the maximum angle, like this when second collection cigarette portion 302 department produces the oil smoke of loss, the oil smoke can form the guide direction of nothing obstruction to the oil smoke through first fume deflector 401 and rather than the outer wall that forms a planar first collection cigarette portion 301, can make the oil smoke of loss more smoothly be removed by the smoking mouth absorption of first collection cigarette portion 301 department like this, guarantee smoking effect.

Of course, in the present embodiment, the second smoke guide 402 provided at the smoking section 3011 also has a plurality of opening/closing angles. In the present embodiment, the opening and closing angle of the second smoke guide 402 provided in the smoking unit 3011 is larger than the opening and closing angle of the first smoke guide 401 provided in the second smoke collecting unit 302, so that the smoke emitted from the first smoke guide 401 can be further sucked and removed by being covered by the second smoke guide 402 in accordance with the smoke inlet. This ensures the best smoking effect and that the oil smoke emitted from the first smoke guide plate 401 will not further escape from the second smoke guide plate 402.

Moreover, in the present invention, the opening and closing angles of the first smoke guiding plate 401 and the second smoke guiding plate 402 are controllable, and are controlled according to the size of the oil smoke in the scene, when the oil smoke in the scene is small, only the first smoke guiding plate 401 may be selected to be opened, or the first smoke guiding plate 401 with a small angle may be selected to be opened, and when the oil smoke in the scene is large, the first smoke guiding plate 401 with a large angle may be selected to be opened while the second smoke guiding plate 402 is opened, and of course, the opening angle of the second smoke guiding plate 402 may also be adjusted and controlled according to the size of the actual oil smoke.

In addition, in the present invention, multiple layers of smoke guide plates and corresponding smoke inlets may also be provided, that is, an upper layer and a lower layer are limited to be provided, the multiple layers may be arranged on the side wall of the smoke collecting hood 3 from top to bottom, the bottommost layer is located at the bottommost end of the smoke collecting hood 3, the uppermost layer is the second smoke guide plate 402, and multiple layers of smoke guide plates may be arranged between the bottommost layer and the uppermost layer.

In addition to the above arrangement, according to other embodiments of the present invention, the smoke collecting hood 3 may be arranged in other different shapes, and for the smoke collecting hoods 3 with different shapes, the plurality of smoke inlets 6 arranged on the smoke collecting hood 3 may be arranged on different surfaces of the smoke collecting hood 3, so that, for example, when the surface where the smoke inlet 6 located above the smoke collecting hood 3 is located is more protruded than the surface where the smoke inlet 6 located below the smoke collecting hood 3 is located, the smoke escaping from the smoke inlet 6 below and the corresponding smoke guide plate 4 can be smoothly collected and exhausted through the smoke inlet 6 above and the smoke guide plate 4, so that the smoke escaping from below cannot completely escape into the home environment, and the smoking effect is ensured. Based on this, the smoke guide plate 4 corresponding to each smoke inlet 6 can be adaptively set according to the position of each smoke inlet 6, for example, the smoke guide plate 4 can be opened at the same angle, or the opening angle from bottom to top of the smoke guide plate 4 is gradually increased, so long as the smoke generated by cooking and the smoke dissipated from the bottom to the top can be completely removed by the matching arrangement of the smoke inlets 6 and the corresponding smoke guide plates 4.

Fig. 3 and 4 are schematic views showing the configuration of the first smoke guide and the second smoke guide when they are unfolded, respectively, according to an embodiment of the present invention. As shown in fig. 3 and 4, in this embodiment, the range hood according to the present invention further includes: the driving mechanism 5, the driving mechanism 5 includes a driving motor 501, a driving rod 502 connected to the driving motor 501, and a supporting frame 503 connected to the driving rod 502 and the smoke guide plate 4. Specifically, as shown in fig. 3 and fig. 4, the driving mechanisms 5 are arranged in two groups, wherein one group of driving mechanisms 5 in fig. 3 is used for driving the first smoke guide plate 401, and one group of driving mechanisms 5 in fig. 4 is used for driving the second smoke guide plate 402, and in this embodiment, the two groups of driving mechanisms may be arranged inside the smoke collecting hood 3 at the same time, as long as the specific installation position does not affect the operation and smoking effect of the range hood.

Moreover, in the present embodiment, the supporting frame 503 is configured to be a triangular structure, so that the smoke guide plate 4 can be in surface contact with one edge of the supporting frame 503 during the movement process by the configuration of the supporting frame 503, and thus, during the movement process, the movement of the smoke guide plate 4 is more stable, the supporting stress is more balanced and uniform, the structural strength can be ensured, the stress concentration is reduced, and the service life is prolonged.

Of course, in the present invention, the supporting frame 503 may be provided in any shape or any structure, as long as it can drive the smoke guide plate 4 to reciprocate under the driving of the driving rod 502.

In order to achieve the purpose, the invention also provides a range hood comprising the smoke guide structure arranged in the structure.

According to the arrangement of the invention, the oil smoke can be gathered by the smoke guide plate 4 and then sucked through the smoke inlet 6 and the auxiliary smoke inlet 7, when the structures of the smoke guide plates 4 at the two sides and the smoke inlet are arranged, the oil smoke escaped from the lower side can be extruded and escaped through the outer edge and the inner connecting gap of the smoke guide plate 4 at the lower side, at the moment, the oil smoke escaped from the outer edge can be gathered by the smoke guide plate 4 at the upper side and sucked and exhausted through the smoke inlet 6 and the auxiliary smoke inlet 7 at the upper side, and the oil smoke escaped from the gap at the connecting part of the smoke guide plate 4 can be gathered by the smoke guide plate 4 at the upper side and sucked and exhausted by the smoke inlet more easily.

According to the arrangement, the island type range hood has higher structural strength and smaller occupied space, the smoke collecting hood is not easy to collide with the head of a user, most importantly, a large amount of generated oil smoke can be discharged from a plurality of positions of the smoke collecting hood through the arrangement, the escaped oil smoke can be sucked again, the problem that the oil smoke escapes due to the fact that the air inlet position is single in the prior art is solved, the smoking effect is good, and the problem that the cooking environment is polluted due to the escape of the oil smoke is solved.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, while the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (19)

1. Lead cigarette structure, its characterized in that includes: the smoke collection device comprises a shell (1), a fan component (2) arranged in the shell (1), a smoke collection cover (3) connected with the shell (1), and a plurality of smoke guide plates (4) arranged on the smoke collection cover (3), wherein the smoke collection cover (3) is provided with a plurality of smoke inlet openings respectively corresponding to the smoke guide plates (4), one end of each smoke guide plate (4) is connected to the smoke collection cover (3), and the other end of each smoke guide plate (4) moves in a reciprocating mode along a direction close to and far away from the smoke collection cover (3) so as to open and close the smoke inlet openings;

the smoke guide plates (4) are symmetrically arranged on two opposite side surfaces of the smoke collecting hood (3) and are longitudinally arranged on the two side surfaces of the smoke collecting hood (3) in layers.

2. The smoke guide structure according to claim 1, wherein said smoke guide plate (4) comprises a first smoke guide plate (401) arranged at an end of said smoke collecting hood (4) far from said outer shell (1) and a second smoke guide plate (402) arranged at an end of said smoke collecting hood (4) near said outer shell (1).

3. A smoke guide structure according to claim 2, wherein a projection of said second smoke guide plate (402) towards the direction of said first smoke guide plate (401) covers said first smoke guide plate (401).

4. The smoke guide structure of claim 2, wherein the opening and closing angle of said second smoke guide plate (402) is larger than the opening and closing angle of said first smoke guide plate (401).

5. The smoke guide structure according to claim 4, wherein said outer case (1) is provided with a coupling groove (101) coupling said smoke collecting hood (3) near an end of said smoke collecting hood (3).

6. A smoke guiding structure according to claim 5, wherein said connecting groove (101) is a trapezoidal groove.

7. The smoke guide structure according to claim 5, wherein said smoke collecting hood (3) comprises a first smoke collecting portion (301) connected with said connecting groove (101) and a second smoke collecting portion (302) communicated with said first smoke collecting portion (301);

the first smoke collection part (301) and the second smoke collection part (302) are provided with the smoke inlet.

8. The smoke guide structure of claim 7, wherein said first smoke collecting part (301) is a structure matched with the connecting groove (101).

9. The smoke guide structure according to claim 7, wherein said first smoke collection part (301) comprises a connection part embedded and fixed in said connection groove (101), and a smoke suction part (3011) located outside said connection groove (101), said smoke suction part (3011) is provided with said smoke inlet and said second smoke guide plate (402) for opening and closing said smoke inlet, and said connection part is provided with a smoke inlet.

10. A smoke guiding structure according to claim 9, characterized in that the end of the outer shell (1) close to the smoke collecting hood (3) is also provided with an auxiliary smoke inlet.

11. The smoke guide structure of claim 10, wherein said smoking parts (3011) are located at two ends of said connecting part, and said auxiliary smoke inlet is located between two smoking parts (3011).

12. The smoke guiding structure of claim 7, wherein said second smoke collecting portion (302) is arranged symmetrically to said first smoke collecting portion (301).

13. The smoke guide structure according to claim 7, wherein said second smoke collection portion (302) is provided with said smoke inlet and said first smoke guide plate (401) for opening and closing said smoke inlet, and an end of said first smoke guide plate (401) is hinged at a connection position of said second smoke collection portion (302) and said first smoke collection portion (301).

14. The smoke guide structure of claim 7, wherein said first smoke guide plate (401) provided on said second smoke collection portion (302) has a plurality of opening and closing angles.

15. The smoke guide structure according to claim 7, wherein when said first smoke guide plate (401) provided on said second smoke collection portion (302) is located at a maximum opening and closing angle, the slope of said first smoke guide plate (401) is the same as the slope of the outer wall of said first smoke collection portion (301).

16. The smoke guide structure of claim 9, wherein said second smoke guide plate (402) provided at said smoking part (3011) has a plurality of open and close angles.

17. A smoke guiding structure according to claim 1, wherein a plurality of said smoke inlet openings are provided on a plurality of surfaces of said smoke collecting cover (3), respectively.

18. The smoke guide structure according to any one of claims 1-17, further comprising a driving mechanism (5) for driving the smoke guide plate (4) to act, wherein the driving mechanism (5) comprises a driving motor (501), a driving rod (502) connected with the driving motor (501), and a supporting frame (503) connected with the driving rod (502) and the smoke guide plate (4).

19. A range hood, comprising the smoke guide structure of any one of claims 1-18.

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