CN219389847U - Fume exhauster - Google Patents

Abstract

The utility model relates to a range hood, which comprises a main case and a smoke collecting cavity shell arranged at the bottom of the main case, wherein the internal space of the smoke collecting cavity shell is a smoke collecting cavity which is communicated with the main case; the front side of the smoke collecting cavity shell is opened, and the top of the opening is rotationally connected with an opening and closing panel; the bottom of the smoke collecting cavity shell is provided with an oil collecting cup; a push rod mechanism is arranged in the main case, a main connecting rod is arranged between the push rod mechanism and the opening and closing panel, the front end of the main connecting rod is connected with the opening and closing panel, and the rear end of the main connecting rod is connected with the push rod mechanism; the lowest position department of main connecting rod is provided with the oil guide subassembly, and oil guide subassembly extends to the oil collection cup top. According to the utility model, the main connecting rod and the oil guide component are arranged, so that the oil stain attached to the surface of the push rod mechanism flows along the main connecting rod and the oil guide component and is collected into the oil collecting cup at most. Therefore, the condition that oil dirt drops to a kitchen range surface in the working process of the range hood can be effectively avoided while the functions of opening and closing the opening and closing panel are maintained, and the user experience is optimized.

Description

Fume exhauster

Technical Field

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

Background

With the continuous development of technology, the aesthetic point of view of the user group is improved, and the appearance of the range hood presents more and more forms, such as a top side double-suction product, such as a wall suction product. With the appearance of new forms of range hood products, more and more products adopt an opening and closing panel structure, so that the beautifying appearance is realized, and the service performance of the products is not affected. However, in all places where the oil smoke passes, the problem of oil stain recovery is considered.

Because the inside of the range hood is required to be provided with a driving structure such as a push rod mechanism and the like, the overturning or sliding of the panel is controlled to realize the opening and closing functions of the panel, the more complex the appearance of the driving structure is, the more easily the oil stains are accumulated on the outer surface of the driving structure, so that the problem that the oil stains attached on the surface of the driving structure are easy to drop to a kitchen range surface in the working process of the range hood is caused, the use experience of a user is poor, and the range hood needs to be improved.

Disclosure of Invention

In view of the above, the present utility model provides a range hood for solving the problem that the outer surface of the driving structure of the range hood in the related art is easy to adhere to and accumulate oil stains, thereby causing the oil stains to drop to the kitchen range surface.

In order to achieve one or a part or all of the above or other objects, the present utility model provides a range hood, comprising a main case and a smoke collecting cavity shell arranged at the bottom of the main case, wherein the internal space of the smoke collecting cavity shell is a smoke collecting cavity, and the smoke collecting cavity is communicated with the main case;

the front side of the smoke collecting cavity shell is opened, and the top of the opening is rotationally connected with an opening and closing panel;

the bottom of the smoke collecting cavity shell is provided with an oil collecting cup;

a push rod mechanism is arranged in the main case, a main connecting rod is arranged between the push rod mechanism and the opening and closing panel, the front end of the main connecting rod is connected with the opening and closing panel, and the rear end of the main connecting rod is connected with the push rod mechanism;

an oil guide assembly is arranged at the lowest position of the main connecting rod and extends to the upper side of the oil collecting cup.

In an alternative embodiment, the oil guide assembly includes a driven link and a guide rail;

the guide rail is fixedly arranged in the smoke collecting cavity and guides the greasy dirt to the oil collecting cup;

the bottom of the main connecting rod is a connecting cantilever formed by downward extension, the front end of the driven connecting rod is rotationally connected with the bottom end of the connecting cantilever, the rear end of the driven connecting rod is slidably connected with the guide rail, and the front end of the driven connecting rod is higher than the rear end of the driven connecting rod.

In an alternative embodiment, the main connecting rod is provided with a guide rib, and the guide rib extends from the connecting cantilever towards the main connecting rod and the opening and closing panel.

In an alternative embodiment, the driven link is provided with a guide groove leading from the connecting boom direction to the guide rail direction.

In an alternative embodiment, the section of the oil guiding groove is V-shaped or U-shaped.

In an alternative embodiment, the main case comprises a case body and a fan assembly, the fan assembly is arranged in the case body, the bottom of the main case is connected with the smoke collecting cavity shell, and the inside of the main case is communicated with the smoke collecting cavity.

In an alternative embodiment, the push rod mechanism comprises a push rod motor and a telescopic arm, wherein the push rod motor is connected with and controls the telescopic arm to perform telescopic movement;

a fixed seat is arranged in the main case, and the push rod motor is rotationally connected to the fixed seat;

and one end of the telescopic arm, which is far away from the push rod motor, is rotationally connected with the main connecting rod.

In an alternative embodiment, a fixing bracket is fixedly arranged on the end face of the rear side of the opening and closing panel, and the fixing bracket is fixedly connected with the front end of the main connecting rod.

In an alternative embodiment, an oil net assembly is enclosed inside the smoke collecting cavity shell, and an avoidance groove is formed in the oil net assembly so that the main connecting rod and the driven connecting rod can pass through.

In an alternative embodiment, the top and bottom of the guide rail are provided with limiting pieces for abutting against the rear end of the driven connecting rod to limit.

The implementation of the embodiment of the utility model has the following beneficial effects:

according to the utility model, the main connecting rod and the oil guide component are arranged, so that the oil stain attached to the surface of the push rod mechanism flows along the main connecting rod and the oil guide component and is collected into the oil collecting cup at most. Therefore, the condition that oil dirt drops to a kitchen range surface in the working process of the range hood can be effectively avoided while the functions of opening and closing the opening and closing panel are maintained, and the user experience is optimized.

Solves the problems that the outer surface of the driving structure of the range hood in the related art is easy to be attached with oil stains, and the oil stains are dropped on the kitchen range surface.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Wherein:

fig. 1 is a perspective view of a range hood according to an alternative embodiment of the present utility model;

fig. 2 is a cross-sectional view of a range hood according to an alternative embodiment of the present utility model;

fig. 3 is a perspective view showing a partial structure of a range hood according to an alternative embodiment of the present utility model;

fig. 4 is a cross-sectional view of an alternative embodiment of a range hood according to the present utility model.

The reference numerals are explained as follows: 1-a main chassis; 11-a box body; 111-fixing seats; 112-smoke inlet throat; 12-a fan assembly; 2-a smoke collecting cavity main body; 21-a smoke collecting cavity shell; 22-opening and closing panel; 221-fixing a bracket; 23-an oil screen assembly; 231-front screen; 232-side screen plate; 24-avoiding grooves; 3-a push rod mechanism; 31-a push rod motor; 32-telescoping arms; 4-a main connecting rod; 41-connecting a cantilever; 42-guiding ribs; 5-an oil guiding assembly; 51-a driven link; 511-oil guide grooves; 52-a guide rail; 521-limiting pieces; 6-an oil collecting cup; 01-smoke collecting cavity.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Because the driving structure is arranged in the range hood, the turning or sliding of the panel is controlled to realize the opening and closing functions of the panel, the more complicated the appearance of the driving structure is, the more easily the greasy dirt is attached to the outer surface of the driving structure, so that the problem that the greasy dirt attached to the surface of the driving structure is easy to drop to a kitchen range surface in the working process of the range hood is caused, and the use experience of a user is poor.

Referring to fig. 2 and 3 in combination, a range hood according to an embodiment of the present utility model includes a main housing 1 and a smoke collecting chamber body 2 disposed at the bottom of the main housing 1, wherein the smoke collecting chamber body 2 includes a smoke collecting chamber housing 21 and an opening and closing panel 22.

The smoke collecting cavity shell 21 is arranged at the bottom of the main case 1, the internal space of the smoke collecting cavity shell 21 is a smoke collecting cavity 01, and the smoke collecting cavity 01 is communicated to the main case 1.

The main case 1 is used for providing suction force, sucking the oil smoke into the smoke collecting cavity 01, and exhausting the oil smoke after the oil smoke is sucked into the main case 1.

The front side of the smoke collecting cavity shell 21 is open, and the open top is rotatably connected with an opening and closing panel 22. The bottom of the smoke collecting cavity shell 21 is provided with an oil collecting cup 6. The main box 1 is internally provided with a push rod mechanism 3, a main connecting rod 4 is arranged between the push rod mechanism 3 and the opening and closing panel 22, the front end of the main connecting rod 4 is connected with the opening and closing panel 22, and the rear end of the main connecting rod 4 is connected with the push rod mechanism 3.

An oil guide assembly 5 is arranged at the lowest position of the main connecting rod 4, and the oil guide assembly 5 extends to the position above the oil collecting cup 6.

The push rod mechanism 3 is used for pushing the main connecting rod 4 to move, so as to drive the opening and closing panel 22 to turn over.

The main body 2 of the smoke collecting cavity has two states of opening and closing, and in the closing state, the opening and closing panel 22 covers the front side opening of the shell 21 of the smoke collecting cavity; in the open state, the opening and closing panel 22 is turned up to expose the front side opening of the smoke collecting chamber housing 21.

In the embodiment, the main connecting rod 4 and the oil guide assembly 5 are arranged, so that the oil stain attached to the surface of the push rod mechanism 3 flows along the main connecting rod 4 and is guided by the oil guide assembly 5, and finally is collected into the oil collecting cup. In this way, the oil dirt can be effectively prevented from dripping on the kitchen range surface in the working process of the range hood while the functions of opening and closing the opening and closing panel 22 are maintained, and the user experience is optimized. Solves the problems that the outer surface of the driving structure of the range hood in the related art is easy to be attached with oil stains, and the oil stains are dropped on the kitchen range surface.

As shown in fig. 1-3, in an alternative embodiment, the oil guide assembly 5 includes a follower link 51 and a guide rail 52. The guide rail 52 is fixedly arranged in the smoke collecting cavity 01, and the guide rail 52 guides oil stains to the oil collecting cup 6. The bottom of the main connecting rod 4 is a connecting cantilever 41 formed by extending downwards, the front end of the driven connecting rod 51 is rotationally connected with the bottom end of the connecting cantilever 41, the rear end of the driven connecting rod 51 is slidably connected with the guide rail 52, and the front end of the driven connecting rod 51 is higher than the rear end of the driven connecting rod 51. The oil attached to the outer surface of the push rod mechanism 3 passes through the main link 4, the driven link 51 and the guide rail 52 in order, and then drops into the oil collecting cup 6. The main link 4 is, for example, in the shape of an arc.

The main connecting rod 4 is provided with a guide rib 42, and the guide rib 42 extends from the connecting cantilever 41 towards the main connecting rod 4 and the opening and closing panel 22. The arrangement of the guide ribs 42 can facilitate the attachment and the further diversion of the greasy dirt, part of the greasy dirt on the opening and closing panel 22 can flow to the connecting cantilever 41 along the guide ribs 42, and the greasy dirt attached to the surface of the push rod mechanism 3 can also flow to the connecting cantilever 41 along the guide ribs 42, so that the diversion effect is optimized.

The rear end of the driven link 51 is slidably connected to the guide rail 52 via a mounting shaft, and slides up and down along the guide rail 52. The guide rail 52 may be disposed vertically.

Alternatively, the length of the connecting cantilever 41 is H, which satisfies 8 mm.ltoreq.H.ltoreq.20mm.

As shown in FIG. 2, after the opening and closing panel 22 is fully opened, the follower link 51 forms an angle θ with the horizontal plane, satisfying 11+.θ+.ltoreq.20°.

As shown in fig. 3, the follower link 51 is provided with a guide groove 511, and the guide groove 511 leads from the direction of the connecting arm 41 to the direction of the guide rail 52. The cross section of the oil guiding groove 511 is V-shaped or U-shaped, for example.

As shown in fig. 4, in an alternative embodiment, the main chassis 1 includes a case 11 and a fan assembly 12, the fan assembly 12 is disposed in the case 11, the bottom of the main chassis 1 is connected to the smoke collecting chamber housing 21, and the inside of the main chassis 1 is communicated with the smoke collecting chamber 01. The fan assembly 12 is used for providing suction force, and the oil smoke is sequentially pumped into the smoke collecting cavity 01, the inside of the box body 11 and discharged to the outside after the fan assembly 12.

The bottom of the main case 1 is provided with a smoke inlet throat 112 which is communicated with the smoke collecting cavity 01.

The oil net assembly 23 is arranged inside the smoke collecting cavity shell 21 in a surrounding mode, and the oil net assembly 23 is provided with an avoidance groove 24 for the main connecting rod 4 and the driven connecting rod 51 to pass through, so that interference of the oil net assembly 23 to the main connecting rod 4 and the driven connecting rod 51 is prevented.

The oil screen assembly 23 is enclosed with the fume collecting cavity shell 21, and the oil screen assembly 23 is used for condensing fume. The oil screen assembly 23 may be a mesh enclosure formed by enclosing a plurality of mesh panels, and the mesh enclosure is configured to cover the front end of the throat 112 when the oil screen assembly 23 is connected to the smoke collecting chamber housing 21. As an example, the oil screen assembly 23 includes a front screen 231 and side screens 232 vertically disposed at both sides of the front screen 231, and the front screen 231, the two side screens 232, and the inner wall of the outer casing 21 of the smoke collecting chamber are enclosed.

The front screen 231 and the side screen 232 may be straight plates, or curved plates, or may be a combination of straight plates and curved plates, in this example, the front screen 231 is a curved plate, the left side screen 232 is a side screen 232, and the front screen and the right side screen 232 are each provided with a plurality of ventilation holes. The oil screen assembly 23 structure is better able to fully contact and condense the oil soot.

The push rod mechanism 3 comprises a push rod motor 31 and a telescopic arm 32, wherein the push rod motor 31 is connected with and controls the telescopic arm 32 to perform telescopic movement; a fixed seat 111 is arranged in the main case 1, and the push rod motor 31 is rotatably connected to the fixed seat 111; one end of the telescopic arm 32 far away from the push rod motor 31 is rotatably connected with the main connecting rod 4.

The back end surface of the opening and closing panel 22 is fixedly provided with a fixing bracket 221, and the fixing bracket 221 is fixedly connected with the front end of the main connecting rod 4.

When the smoke collecting cavity main body 2 needs to be opened, the push rod motor 31 drives the telescopic arm 32 to extend, and the main connecting rod 4 is pushed to move so as to drive the opening and closing panel 22 to turn over, so that the opening is realized. When the main body 2 of the smoke collecting cavity needs to be closed, the push rod motor 31 drives the telescopic arm 32 to be shortened, and the main connecting rod 4 is pulled to move so as to drive the opening and closing panel 22 to turn over, so that the closing is realized.

Optionally, a limiting member 521 is disposed on the top and bottom of the guide rail 52, and is configured to abut against the rear end of the driven link 51 to perform limiting.

After the opening and closing panel 22 is opened to a certain angle, the telescopic arm 32 cannot be stretched again due to the existence of the limiting piece 521 to form locked rotation, so that the main control unit of the range hood can determine that the telescopic arm 32 is opened and closed in place by judging the locked rotation current of the push rod motor 31, the opening and closing structure is simplified, the shaking of the opening and closing panel 22 can be effectively limited, and the user experience is improved.

As an example, the limiting member 521 may be a screw, which may be used to abut against the rear end of the driven link 51 to limit the position, and may be used as a fastener to fixedly lock the guide rail 52 in the smoke collecting chamber housing 21.

In summary, according to the utility model, the main connecting rod 4 and the oil guide assembly 5 are arranged, so that the oil stain attached to the surface of the push rod mechanism 3 flows along the main connecting rod 4 and is guided by the oil guide assembly 5, and finally is collected in the oil collecting cup. In this way, the oil dirt can be effectively prevented from dripping on the kitchen range surface in the working process of the range hood while the functions of opening and closing the opening and closing panel 22 are maintained, and the user experience is optimized. Solves the problems that the outer surface of the driving structure of the range hood in the related art is easy to be attached with oil stains, and the oil stains are dropped on the kitchen range surface.

The foregoing description is only a preferred embodiment of the present application, and is not intended to limit the utility model to the particular embodiment disclosed, but is not intended to limit the utility model to the particular embodiment disclosed, as any and all modifications, equivalent to the above-described embodiment, may be made by one skilled in the art without departing from the scope of the utility model.

Claims (10)

1. A range hood, characterized in that: the smoke collecting device comprises a main case (1) and a smoke collecting cavity shell (21) arranged at the bottom of the main case (1), wherein the internal space of the smoke collecting cavity shell (21) is a smoke collecting cavity (01), and the smoke collecting cavity (01) is communicated to the main case (1);

the front side of the smoke collecting cavity shell (21) is open, and the top of the opening is rotatably connected with an opening and closing panel (22);

an oil collecting cup (6) is arranged at the bottom of the smoke collecting cavity shell (21);

a push rod mechanism (3) is arranged in the main box (1), a main connecting rod (4) is arranged between the push rod mechanism (3) and the opening and closing panel (22), the front end of the main connecting rod (4) is connected with the opening and closing panel (22), and the rear end of the main connecting rod (4) is connected with the push rod mechanism (3);

an oil guide assembly (5) is arranged at the lowest position of the main connecting rod (4), and the oil guide assembly (5) extends to the position above the oil collecting cup (6).

2. The range hood of claim 1, wherein: the oil guide assembly (5) comprises a driven connecting rod (51) and a guide rail (52);

the guide rail (52) is fixedly arranged in the smoke collecting cavity (01), and the guide rail (52) guides oil stains to the oil collecting cup (6);

the bottom of the main connecting rod (4) is a connecting cantilever (41) formed by downward extension, the front end of the driven connecting rod (51) is rotationally connected with the bottom end of the connecting cantilever (41), the rear end of the driven connecting rod (51) is slidably connected with the guide rail (52), and the front end of the driven connecting rod (51) is higher than the rear end of the driven connecting rod (51).

3. The range hood of claim 2, wherein: the main connecting rod (4) is provided with a guide rib (42), and the guide rib (42) extends from the connecting cantilever (41) towards the main connecting rod (4) and the opening and closing panel (22).

4. The range hood of claim 2, wherein: the driven connecting rod (51) is provided with an oil guiding groove (511), and the oil guiding groove (511) leads to the direction of the guide rail (52) from the direction of the connecting cantilever (41).

5. The range hood of claim 4, wherein: the section of the oil guide groove (511) is V-shaped or U-shaped.

6. The range hood of claim 1, wherein: the main case (1) comprises a case body (11) and a fan assembly (12), the fan assembly (12) is arranged in the case body (11), the bottom of the main case (1) is connected with the smoke collecting cavity shell (21), and the inside of the main case (1) is communicated with the smoke collecting cavity (01).

7. The range hood of claim 6, wherein: the push rod mechanism (3) comprises a push rod motor (31) and a telescopic arm (32), and the push rod motor (31) is connected with and controls the telescopic arm (32) to perform telescopic movement;

a fixed seat (111) is arranged in the main case (1), and the push rod motor (31) is rotationally connected to the fixed seat (111);

one end of the telescopic arm (32) far away from the push rod motor (31) is rotationally connected with the main connecting rod (4).

8. The range hood of claim 2, wherein: the front end face of the opening and closing panel (22) is fixedly provided with a fixing support (221), and the fixing support (221) is fixedly connected with the front end of the main connecting rod (4).

9. The range hood of claim 2, wherein: an oil net assembly (23) is arranged inside the smoke collecting cavity shell (21), and an avoidance groove (24) is formed in the oil net assembly (23) so that the main connecting rod (4) and the driven connecting rod (51) can pass through.

10. The range hood of claim 2, wherein: and limiting pieces (521) are arranged at the top and the bottom of the guide rail (52) and are used for abutting against the rear end of the driven connecting rod (51) so as to limit.