CN219014429U

CN219014429U - Fume exhaust fan

Info

Publication number: CN219014429U
Application number: CN202320459505.9U
Authority: CN
Inventors: 任富佳; 李哲宇; 余国成; 陈志涛; 郁明跃; 吕春明; 胡娇
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-05-12
Anticipated expiration: 2033-03-03

Abstract

The utility model provides a range hood, which relates to the technical field of kitchen appliances and comprises a fume collecting hood with an assembly port on the front surface and an oil screen assembly assembled in the assembly port. The oil screen assembly includes: the main oil net and the side oil net which is positioned on the left side and/or the right side of the main oil net and the lower part of which is hinged with the fume collecting hood, and the side oil net can swing in the front-back direction. When the range hood is in an unoperated state, the front wall of the side oil net and the front wall of the main oil net can be flush with the front surface of the fume collecting hood, when the oil fume is large, the side oil net beside the main oil net can be rotated and opened towards the lower side, the side oil net can be closer to a kitchen range, and the fume sucking effect can be improved.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a range hood.

Background

In the operation process of the range hood, due to the limitation of the size of the air inlet of the range hood, the phenomenon of oil smoke escape can occur, especially for the side-draft range hood, the size of the air inlet is matched with the size of the oil net, when the oil smoke is too large, part of the oil smoke can escape to two sides due to the fact that the part of the oil smoke cannot be sucked into the range hood in time, meanwhile, the angle of the air inlet is fixed, the distance between the air inlet and a cooker range cannot be adjusted, and the smoking effect can be influenced.

Disclosure of Invention

The utility model aims to provide a range hood, which aims to solve the technical problem that oil smoke is easy to escape when the existing range hood works.

The utility model provides a range hood, which comprises: a fume collecting hood with an assembling port on the front surface;

the range hood further comprises an oil net assembly assembled in the assembly port; the oil screen assembly includes: the main oil net and the side oil net which is positioned on the left side and/or the right side of the main oil net and the lower part of which is hinged with the fume collecting hood, and the side oil net can swing in the front-back direction.

Further, the side oil screen includes: a front wall having a first advancing throat;

the side oil net comprises two side walls connected to the left side and the right side of the front wall, and at least one side wall is provided with a first side smoke inlet; the side oil net is provided with a first swing state and a second swing state, and in the first swing state, a first side smoke inlet of the side oil net is positioned at the inner side of the smoke collecting cover; in the second swing state, the first side smoke inlet of the side oil net is positioned at the outer side of the smoke collecting cover.

Further, the side oil screen can rotate and slide relative to the fume collecting hood;

the range hood further includes:

the swing driving mechanism is connected between the fume collecting hood and the side oil net; the swing driving mechanism and the side oil net are relatively fixed in the front-back swing direction and can relatively slide in the left-right direction; the swing driving mechanism is used for driving the side oil screen to switch between a first swing state and a second swing state.

Further, the range hood further comprises: the sliding driving mechanism is connected between the fume collecting hood and the side oil net; the sliding driving mechanism and the side oil net are relatively fixed in the left-right direction and can relatively slide in the front-back swinging direction; the sliding driving mechanism is used for driving the side oil net to switch between a first sliding state and a second sliding state, and the main oil net and the side oil net are arranged in the left-right direction in the first sliding state; in the second sliding state, the main oil net and the side oil net are arranged in the front-back direction.

Further, the fume collecting hood includes:

a rotation shaft extending in the left-right direction;

the side oil screen is provided with a shaft hole connected with the rotating shaft so that the side oil screen rotates and slides relative to the rotating shaft.

Further, the swing driving mechanism includes: a connecting rod with a first sliding block at the end part;

the side oil screen is provided with a first chute extending in the left-right direction; the first sliding block is in sliding connection with the first sliding groove along the left-right direction and is relatively fixed in the depth direction of the first sliding groove.

Further, the slide driving mechanism includes:

the driving part is connected with the fume collecting hood;

the push rod is connected with the driving part and can stretch and retract along the left-right direction of the fume collecting hood; the end part of the push rod is provided with a first connecting structure;

the second connecting structure is arranged on the side oil screen and is connected with the first connecting structure; the first connecting structure and the second connecting structure are matched to enable the push rod and the side oil net to generate relative motion in the front-back swinging direction and to be relatively fixed in the left-right direction.

Further, the first connection structure includes:

a second guide rail; a bulge is arranged on one side of the second guide rail, which is away from the main oil net;

a connecting member connecting the protrusion and the push rod;

the side surface of the main oil net is provided with a fixed side plate; the connecting piece and the second guide rail are respectively positioned at two opposite sides of the fixed side plate;

the fixed side plate is provided with a second chute extending along the swinging direction of the main oil net; the bulge is positioned in the second chute and is in sliding connection with the second chute.

Further, the telescopic plate is connected between the push rod and the first connecting structure; the expansion plate can shield part of the assembly opening when the side oil screen is in the second sliding state.

Further, the expansion plate still includes the storage cavity of being connected with collection petticoat pipe, and drive division is connected on the outer wall of storage cavity, and storage cavity has the opening towards one side of main oil net, and expansion plate sliding connection is inside storage cavity to can follow the opening roll-in or roll-off.

Further, through holes penetrating through the front surface and the rear surface of the expansion plate are formed in the expansion plate.

The range hood provided by the utility model comprises: the front surface has the collection petticoat pipe of assembly mouth, and the oil net subassembly of assembly in the assembly mouth. The oil screen assembly includes: the main oil net and the side oil net which is positioned on the left side and/or the right side of the main oil net and the lower part of which is hinged with the fume collecting hood, and the side oil net can swing in the front-back direction. When the range hood is in an unoperated state, the front wall of the side oil net and the front wall of the main oil net can be flush with the front surface of the fume collecting hood, when the oil fume is large, the side oil net beside the main oil net can be rotated and opened towards the lower side, the side oil net can be closer to a kitchen range, and the fume sucking effect can be improved. And the side oil net after being rotated and opened towards the lower side can form a smoke gathering cavity with the main oil net, so that the first side smoke inlet of the side oil net can enlarge the air inlet area and the air inlet position while the smoke gathering effect is achieved, and the smoking effect is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a side oil screen in a range hood in a first swing state and a first sliding state according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a side oil screen in a range hood in a second swing state and a first sliding state according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a side oil screen in a range hood in a second swing state and a second sliding state according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a middle-side oil screen of the range hood according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a swing driving mechanism in a range hood according to an embodiment of the present utility model;

fig. 6 is a schematic diagram of a sliding driving mechanism in a range hood according to an embodiment of the present utility model;

FIG. 7 is an exploded view of FIG. 6;

fig. 8 is a schematic view of another expansion board in the range hood according to the embodiment of the utility model.

Icon: 100-fume collecting hood;

310-main oil screen; 320-side oil screen; 321-a first side smoke inlet; 322-a first top tobacco inlet; 323-a first chute;

520-connecting rod; 521-a first slider;

610—push rod; 620-a second rail; 621-protrusions; 630-a connector; 640-fixing side plates; 641-a second runner; 660-telescoping plates; 611-a through hole; 670-receiving cavity.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the range hood provided by the utility model comprises: the fume collecting hood 100 with the assembly opening on the front surface is a side-draft fume exhauster in this embodiment, the front surface of the fume collecting hood is inclined, and the assembly opening is located in the middle of the front surface.

The range hood further comprises an oil net assembly assembled in the assembly port. The oil screen assembly includes: the main oil screen 310 is positioned in the middle of the assembly port, the main oil screen 310 is fixedly connected with the fume collecting hood 100, and the front surface of the main oil screen 310 is approximately level with the front surface of the fume collecting hood 100.

A side oil screen 320 is provided at the left or right side of the main oil screen 310, or side oil screens 320 are provided at both the left and right sides of the main oil screen 310. The front surfaces of the side oil screen 320 and the main oil screen 310 are provided with smoke inlets, and the smoke can enter the smoke collecting hood 100 from the front surfaces of the side oil screen 320 and the main oil screen 310.

As shown in fig. 2, the lower portion of the side oil screen 320 is hinged with the hood 100, and the side oil screen 320 can swing in the front-rear direction. Specifically, the lower edge of the side oil screen 320 may be provided with a shaft hole, and the fume collecting hood 100 may be provided with a rotation shaft extending in the left-right direction, the rotation shaft being positioned in the shaft hole.

As shown in fig. 1, when the range hood is in an inactive state, the front wall of the side oil screen 320 and the front wall of the main oil screen 310 may be flush with the front surface of the fume collecting hood 100, and when the fume is large, the side oil screen 320 beside the main oil screen 310 may be rotated and opened toward the lower front side, and the side oil screen 320 may be closer to the kitchen range, so as to improve the fume suction effect.

As shown in fig. 2, in one embodiment, side oil screen 320 includes: a front wall having a first forward smoke port, which is the primary smoke port of the side oil screen 320. The side oil screen 320 further includes two side walls connected to the left and right sides of the front wall and having a first side smoke inlet 321. In particular, there is a first side smoke inlet 321 in the side wall of the side screen 320 adjacent to the main screen 310. When the oil smoke sucking requirement is low, the side oil screen 320 is in a first swinging state, the first side smoke inlet 321 of the side oil screen 320 is positioned at the inner side of the smoke collecting hood 100, and the side oil screen 320 only depends on the first front smoke inlet for smoking; when the oil smoke sucking demand is higher, the side oil screen 320 is in the second swing state, the first side smoke inlet 321 of the side oil screen 320 is positioned at the outer side of the smoke collecting hood 100, the first side smoke inlet 321 not only can assist the first smoke inlet to smoke, but also can form a smoke collecting cavity with the main oil screen 310, and when the smoke collecting effect is achieved, the first side smoke inlet 321 of the side oil screen 320 can enlarge the air inlet area and the air inlet position, so that the smoking effect is effectively improved.

Further, the side oil screen 320 has a top wall, and the top wall is provided with a first jacking smoke inlet 322 for absorbing the oil smoke escaping to the top, so that the oil smoke escaping from the top can be reduced, the smoking efficiency is improved, the first jacking smoke inlet 322 and the first side smoke inlet 321 are the same in setting property, and are both used for increasing the smoke inlet area of the opened side oil screen 320, that is, when the oil smoke sucking requirement is high, the side oil screen 320 is in a second swinging state, the first jacking smoke inlet 322 of the side oil screen 320 is positioned at the outer side of the smoke collecting hood 100, the first jacking smoke inlet 322 can enlarge the air inlet area and the air inlet position, and the smoking effect is effectively improved.

As shown in fig. 3, the side oil screen 320 may not only rotate relative to the fume collecting hood 100, but also slide in the left-right direction relative to the fume collecting hood 100, so that the side oil screen 320 moves to the front of the main oil screen 310, so that the side oil screen 320 and the main oil screen 310 overlap in the front-rear direction, and the filtering effect on the fume can be enhanced after the fume passes through the side oil screen 320 and the main oil screen 310 in sequence. For the kitchen range with a single cooking range, when in use, the side oil net 320 and the main oil net 310 are adjusted to be overlapped front and back, and a double-layer oil net is arranged above the cooking range, so that the cooking condition of large oil smoke can be dealt with.

The range hood further comprises a swing driving mechanism connected between the fume collecting hood 100 and the side oil net 320, the swing driving mechanism can be fixedly connected to the fume collecting hood 100, the driving end of the swing driving mechanism is connected with the top of the side oil net 320, the swing driving mechanism and the side oil net 320 are relatively fixed in the front-back swing direction and can relatively slide in the left-right direction, that is, the swing driving mechanism does not limit the lateral movement of the side oil net 320, and the swing driving mechanism drives the side oil net 320 to switch between a first swing state and a second swing state.

As shown in fig. 4-7, the range hood further comprises a sliding driving mechanism connected between the fume collecting hood 100 and the side oil net 320, wherein the sliding driving mechanism can be fixedly connected to the fume collecting hood 100, and the driving end of the sliding driving mechanism is connected with the side wall of the side oil net 320. The sliding drive mechanism and the side oil screen 320 are fixed relatively in the left-right direction and can slide relatively in the back-and-forth swinging direction, that is, the sliding drive mechanism does not affect the movement of the side oil screen 320 in the back-and-forth swinging direction. The sliding driving mechanism drives the side oil screen 320 to switch between a first sliding state and a second sliding state along the left-right direction, and in the first sliding state, the main oil screen 310 and the side oil screen 320 are arranged along the left-right direction; in the second sliding state, the main oil screen 310 and the side oil screen 320 are arranged in the front-rear direction.

The sliding driving mechanism and the swinging driving mechanism can be connected with a main controller of the range hood, and a user adjusts the motion states of the main oil screen 310 and the side oil screen 320 through buttons on the panel of the fume collecting hood 100.

In the initial state, the side oil screen 320 is simultaneously in a first swing state and a first sliding state, then, the side oil screen 320 can swing forward and downward, so that the side oil screen 320 is switched to a second swing state, the first advancing smoke inlet is closer to the kitchen range, then, the side oil screen 320 can slide to the middle to the front side of the main oil screen 310, so that the side oil screen 320 is switched to the second sliding state, a double-layer oil screen structure is formed, and the filtering capability is effectively improved.

Further, the fume collecting hood 100 includes: a rotation shaft extending in the left-right direction; the side oil screen 320 can swing with respect to the rotation shaft and also can slide with respect to the rotation shaft.

In one embodiment, the swing drive mechanism includes: a link 520 having a first slider 521 at an end portion; the side oil screen 320 has a first chute 323 extending in the left-right direction; the first slider 521 is slidably connected to the first chute 323 along the left-right direction, and is relatively fixed in the depth direction of the first chute 323.

As shown in fig. 4, the first sliding groove 323 may be provided on the top wall of the side oil screen 320, and the first sliding groove 323 and the end portion of the connecting rod 520 may have a corresponding shape of a cross section, and may be inverted "T" or dovetail shape, so as to ensure that the end portion of the connecting rod 520 slides only in the left-right direction with respect to the first sliding groove 323, and cannot generate relative movement in other directions. When the slide driving mechanism drives the side oil screen 320 to slide in the left-right direction, the end portion of the link 520 slides with respect to the first chute 323, and the link 520 is always slidably connected to the side oil screen 320.

Further, the slide driving mechanism includes: a driving part connected with the fume collecting hood 100, and a push rod 610 connected with the driving part and capable of extending and contracting along the left-right direction, wherein the end part of the push rod 610 is provided with a first connecting structure. The side oil screen 320 is provided with a second connection structure connected with the first connection structure, and the first connection structure and the second connection structure cooperate to enable the push rod 610 and the side oil screen 320 to generate relative movement in the front-back swing direction and to be relatively fixed in the left-right direction.

The driving part may be a motor, and the motor may be fixedly connected to the inside of the fume collecting hood 100. The motor drives the push rod 610 to perform a telescopic motion in the left-right direction, thereby switching the side oil screen 320 between the first sliding state and the second sliding state. The first connection structure and the second connection structure can slide relatively in the front-rear direction and relatively still in the left-right direction, so that the side oil screen 320 can swing in the front-rear direction and also slide in the left-right direction.

As shown in fig. 6 and 7, the first connection structure includes: a second rail 620; the side of the second guide rail 620 facing away from the main oil screen 310 is provided with a protrusion 621; the first connection structure includes a connection protrusion 621 and a connection piece 630 of the push rod 610; the side of the main oil screen 310 is provided with a fixed side plate 640; the connecting piece 630 and the second guide rail 620 are respectively positioned at two opposite sides of the fixed side plate 640; the fixed side plate 640 is provided with a second sliding groove 641 extending along the swing direction of the main oil screen 310; the boss 621 is located in the second chute 641 and is slidably coupled to the second chute 641.

The second guide rail 620 and the second sliding groove 641 are arc-shaped, and the center of the arc is concentric with the swinging shaft of the side oil screen 320. The second guide rail 620 and the connecting member 630 are located at opposite sides of the fixed side plate 640, and when the push rod 610 moves to one side of the main oil net 310, the connecting member 630 pushes the fixed side plate 640 to move to the middle, whereas when the push rod 610 moves to the side away from the main oil net 310, the second guide rail 620 pulls the fixed side plate 640 to move to both sides.

The range hood further includes a telescopic plate 660 connected between the push rod 610 and the first connection structure; the telescoping plate 660 can block a portion of the fitting opening when the side oil screen 320 is in the second sliding state.

When the side oil screen 320 is positioned in front of the main oil screen 310, i.e., in the second sliding state, the expansion plate 660 is positioned at the assembly opening and shields a part of the assembly opening, thereby making the range hood more beautiful. When the side oil net 320 swings forward and downward to the second swing position, the side oil net 320 can be pushed to the center, and the push rod 610 drives the expansion plate 660, the first connecting structure, the second connecting structure and the side oil net 320 to move toward the main oil net 310 in sequence, at this time, the expansion plate 660 is located outside the fume collecting hood 100.

Further, the expansion plate 660 further comprises a storage cavity 670 connected with the fume collecting hood 100, the driving part is connected to the outer wall of the storage cavity 670, an opening is formed in one side, facing the main oil net 310, of the storage cavity 670, and the expansion plate 660 is slidably connected inside the storage cavity 670 and can slide in or slide out from the opening.

The housing cavity 670 is flat, and the height of the inner space of the cavity is approximately equal to the thickness of the expansion plate 660, so that the expansion plate 660 can be housed on the one hand, and the sliding direction of the expansion plate 660 can be limited on the other hand. The opening of the receiving cavity 670 located at the left side faces the right side, whereas the opening of the receiving cavity 670 located at the right side faces the left side.

As shown in fig. 8, the expansion plate 660 is provided with through holes 611 penetrating the front and rear surfaces thereof, and the through holes 611 can play a role of smoke intake when the side oil screen 320 is in the second sliding state.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A range hood, comprising: a fume collecting hood (100) with an assembling port on the front surface;

the range hood further comprises an oil net assembly assembled in the assembly port; the oil screen assembly includes: a main oil screen (310) and a side oil screen (320) which is positioned on the left side and/or the right side of the main oil screen (310) and the lower part of which is hinged with the fume collecting hood (100), wherein the side oil screen (320) can swing in the front-back direction.

2. The range hood according to claim 1, wherein the side oil screen (320) comprises: a front wall having a first advancing throat;

the side oil screen (320) comprises two side walls connected to the left side and the right side of the front wall, and at least one side wall is provided with a first side smoke inlet (321); the side oil screen (320) has a first swing state and a second swing state, in the first swing state, a first side smoke inlet (321) of the side oil screen (320) is positioned at the inner side of the smoke collecting hood (100); in the second swing state, a first side smoke inlet (321) of the side oil screen (320) is positioned outside the smoke collecting hood (100).

3. A range hood according to claim 2, characterized in that,

the side oil screen (320) is capable of rotating and sliding relative to the fume collection hood (100);

the range hood further includes:

a swing driving mechanism connected between the fume collecting hood (100) and the side oil net (320); the swing driving mechanism and the side oil net (320) are relatively fixed in the front-back swing direction and can relatively slide in the left-right direction; the swing driving mechanism is used for driving the side oil net (320) to switch between a first swing state and a second swing state.

4. A range hood according to claim 3, further comprising: a sliding driving mechanism connected between the fume collecting hood (100) and the side oil net (320); the sliding driving mechanism and the side oil net (320) are relatively fixed in the left-right direction and can relatively slide in the front-back swinging direction; the sliding driving mechanism is used for driving the side oil screen (320) to switch between a first sliding state and a second sliding state, and in the first sliding state, the main oil screen (310) and the side oil screen (320) are arranged in the left-right direction; in the second sliding state, the main oil screen (310) and the side oil screen (320) are arranged in the front-rear direction.

5. A range hood according to any one of claims 2-4, wherein the fume collecting hood (100) comprises:

a rotation shaft extending in the left-right direction;

the side oil screen (320) is provided with a shaft hole connected with the rotating shaft so that the side oil screen (320) rotates and slides relative to the rotating shaft.

6. The range hood of claim 3 or 4, wherein the swing drive mechanism comprises: a connecting rod (520) having a first slider (521) at an end portion thereof;

the side oil screen (320) is provided with a first chute (323) extending in the left-right direction; the first sliding block (521) is connected with the first sliding groove (323) in a sliding manner along the left-right direction, and is relatively fixed in the depth direction of the first sliding groove (323).

7. The range hood of claim 4, wherein the slide drive mechanism comprises:

a driving part connected with the fume collecting hood (100);

a push rod (610) connected to the drive unit and capable of extending and contracting in the left-right direction of the fume collecting hood (100); the end part of the push rod (610) is provided with a first connecting structure;

the second connecting structure is arranged on the side oil net (320) and is connected with the first connecting structure; the first connecting structure and the second connecting structure are matched to enable the push rod (610) and the side oil net (320) to generate relative motion in the back-and-forth swinging direction and to be relatively fixed in the left-right direction.

8. The range hood of claim 7, wherein the first connecting structure comprises:

a second rail (620); a protrusion (621) is arranged on one side of the second guide rail (620) facing away from the main oil net (310);

a connecting member (630) connecting the boss (621) and the push rod (610);

the side surface of the main oil net (310) is provided with a fixed side plate (640); the connecting piece (630) and the second guide rail (620) are respectively positioned at two opposite sides of the fixed side plate (640);

the fixed side plate (640) is provided with a second chute (641) extending along the swinging direction of the main oil net (310); the protrusion (621) is located in the second chute (641) and is slidably connected to the second chute (641).

9. The range hood of claim 8, further comprising a telescoping plate (660) connected between the pushrod (610) and the first connection structure; the expansion plate (660) can shield part of the assembly opening when the side oil screen (320) is in the second sliding state.

10. The range hood according to claim 9, wherein the expansion plate (660) further comprises a housing cavity (670) connected with the fume collecting hood (100), the driving part is connected to the outer wall of the housing cavity (670), an opening is formed on one side of the housing cavity (670) facing the main oil net (310), and the expansion plate (660) is slidably connected inside the housing cavity (670) and can slide in or slide out from the opening.

11. The range hood according to claim 9, wherein the expansion plate (660) is provided with through holes (611) penetrating the front and rear surfaces thereof.