CN217844012U

CN217844012U - Fume exhaustor

Info

Publication number: CN217844012U
Application number: CN202221359249.8U
Authority: CN
Inventors: 任富佳; 刘硕; 高少华; 郑桐福; 王嘉明; 周海昕; 余国成; 常莹
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-18
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a range hood belongs to household electrical appliances technical field, for solving the poor scheduling problem design of current range hood aesthetic property. The utility model provides a range hood includes: the shell is provided with a through hole, and a smoke exhaust pipeline is arranged in the shell; the smoke collecting hood is communicated with the smoke exhaust pipeline when extending out of the shell and is used for collecting the oil smoke and sending the oil smoke into the smoke exhaust pipeline; the smoke collecting hood can be completely retracted into the shell through the through holes. The utility model provides a lampblack absorber has promoted the wholeness and the aesthetic property in kitchen. When the oil smoke is required to be exhausted, the smoke collecting cover extends out of the shell, communicates with the smoke exhaust pipeline and is close to an oil smoke generation area, the smoke exhaust effect is better, the oil smoke can be prevented from escaping, and the user experience is good.

Description

Fume exhaust fan

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a lampblack absorber.

Background

A range hood is a device for collecting cooking fumes and exhausting the collected cooking fumes to the outside through a duct. The existing range hood mainly comprises a top suction type range hood and a side suction type range hood. The top-suction range hood is more attractive in appearance, but the air inlet of the pipeline is far away from oil smoke, the smoking effect is poor, and the head of a user is easy to collide with the shell of the range hood; the air inlet of the side-draft range hood is close to the oil smoke, the smoking effect is good, but the style is not attractive, and the occupied space is large.

In order to combine the advantages of a top suction type and a side suction type, the existing range hood with a liftable smoke collection cavity is provided. When oil smoke needs to be discharged, the smoke collecting cavity descends, so that the air inlet of the pipeline is close to a smoke generating area as much as possible, and the smoke absorbing effect is better; after the oil smoke is exhausted, the smoke collecting cavity can ascend, and the occupied space is reduced.

The range hood with the liftable smoke collection cavity has the following defects: the smoke collecting cavity is only partially retracted into the smoke machine, and a small part of the structure protrudes out of the bottom surface of the cabinet when the smoke collecting cavity does not work, so that the whole decoration style of a kitchen is still influenced to a certain degree.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lampblack absorber, the oil extraction cigarette is more thorough, can promote the wholeness and the aesthetic property in kitchen.

To achieve the purpose, the utility model adopts the following technical proposal:

a range hood, comprising: the smoke exhaust device comprises a shell, a smoke exhaust pipe and a smoke exhaust pipe, wherein the shell is provided with a through hole; the smoke collecting hood is communicated to the smoke exhaust pipeline when extending out of the shell and is used for collecting the oil smoke and sending the oil smoke into the smoke exhaust pipeline; the smoke collecting cover can be completely retracted into the shell through the through holes.

In a preferred embodiment, the range hood further comprises a motor assembly connected to the smoke collecting hood, and the motor assembly is configured to drive the smoke collecting hood to extend out of or retract into the housing.

In a preferred embodiment, the top edge of the smoke collecting cover is bent outwards to form a limiting convex edge, a supporting part is formed on the outer shell and is located at the periphery of the through hole, and the limiting convex edge abuts against the supporting part when the smoke collecting cover extends out of the outer shell.

In a preferred embodiment, a sealing element is arranged on the limiting convex edge and/or the supporting part, and the sealing element is configured to fill a gap between the limiting convex edge and the supporting part.

In a preferred embodiment, the limiting convex edge is of a groove-shaped structure, and the groove bottom abuts against the supporting part.

In a preferred embodiment, the limit convex edge is connected with the top edge of the fume collecting hood through an elastic connecting part.

In one preferred embodiment, the range hood further comprises a rectifying plate, the rectifying plate is arranged between the smoke collecting hood and the smoke exhaust pipeline, a rectifying air inlet is formed in the rectifying plate, and the rectifying air inlet is connected with the end part of the smoke exhaust pipeline in a sealing mode.

In a preferred embodiment, the rectifying plate is overlapped with the groove wall of the groove-shaped structure close to the side surface of the smoke exhaust pipeline.

In one preferred embodiment, the range hood further comprises a fan assembly, and the fan assembly is arranged in the smoke exhaust pipeline.

The utility model provides a range hood, when not needing the oil extraction cigarette the collection petticoat pipe withdraws the shell completely, has promoted the wholeness and the aesthetic property in kitchen. When the oil smoke is required to be exhausted, the smoke collecting cover extends out of the shell, communicates with the smoke exhaust pipeline and is close to an oil smoke generation area, the smoke exhaust effect is better, the oil smoke can be prevented from escaping, the oil smoke is exhausted more thoroughly, and the user experience is good.

Drawings

Fig. 1 is a schematic structural diagram of a range hood provided by a specific embodiment of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure:

1. a housing; 2. a smoke collecting hood; 3. a motor assembly; 4. a rectifying plate; 11. a support portion; 21. a limiting convex edge; 22. an elastic connection portion; 41. and a rectification air inlet.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The embodiment discloses a range hood for collecting indoor oil smoke generated by cooking and then discharging the collected oil smoke outdoors. As shown in fig. 1 and 2, the range hood includes a housing 1, a smoke collecting hood 2, and a fan assembly (not shown). A smoke exhaust pipeline is arranged in the shell 1, and the fan assembly is arranged in the smoke exhaust pipeline. The through hole has been seted up on the shell 1, and collection petticoat pipe 2 can be through the whole retraction of this through hole in the shell 1. When the fume collecting hood 2 extends out of the shell 1, the fume collecting hood 2 is communicated to the smoke exhaust pipeline and used for collecting the oil fume and sending the oil fume into the smoke exhaust pipeline. The fan assembly can generate airflow in the smoke exhaust pipeline, and the airflow can carry the oil smoke to be exhausted outdoors from the smoke exhaust pipeline.

The fume collecting hood 2 is designed to be a full lifting type, so that the attractiveness is improved under the condition that the normal use is not influenced. Specifically, when the fume exhaust is not needed, the fume collecting cover 2 is completely retracted into the shell 1, and the shell 1 is installed in the kitchen cabinet, so that the whole range hood is hidden in the kitchen cabinet when the fume collecting cover 2 is completely retracted, and the integrity and the attractiveness of the kitchen are improved. When needing the oil smoke extraction, collection petticoat pipe 2 stretches out outside shell 1, and collection petticoat pipe 2 communicates to exhaust pipe and collection petticoat pipe 2 is close to the oil smoke and takes place the region this moment, and the smoking effect is better, can prevent that the oil smoke from escaping, and user experience is good.

The specific way of extending and retracting the smoke collecting hood 2 is not limited, and preferably, the range hood further comprises a motor assembly 3, the motor assembly 3 is connected to the smoke collecting hood 2, and the motor assembly 3 is configured to drive the smoke collecting hood 2 to extend out of or retract into the housing 1. The specific connection structure of the motor component 3 and the fume collecting hood 2 is not limited, and the existing connection modes such as a gear-rack connection structure, a belt wheel connection structure and a pulley connection structure can be adopted. Through 3 drive collection petticoat pipe 2 of motor element, convenient to use, collection petticoat pipe 2's response speed is fast, collection petticoat pipe 2 removes more steadily.

On the basis of the structure, the top edge of the smoke collecting cover 2 is bent outwards to form a limiting convex edge 21, and the shell 1 is provided with a supporting part 11. The supporting portion 11 is located at the periphery of the through hole, and the supporting portion 11 may be one circle around the outside of the through hole or may be several points located at the periphery of the through hole. After the fume collecting hood 2 extends out of the outer shell 1 to reach a certain distance, the limit convex edge 21 is abutted against the supporting part 11. On one hand, the supporting part 11 can limit and support the limiting convex edge 21, so that the fume collecting hood 2 is prevented from being separated from the shell 1; on the other hand, after spacing protruding edge 21 and the 11 looks-ups of supporting part, can block that the oil smoke from the infiltration lampblack absorber between spacing protruding edge 21 and the supporting part 11, avoid leading to spare part to become invalid in the lampblack absorber because the oil smoke infiltration, prolonged the life of lampblack absorber, improved the stability of lampblack absorber work.

In order to further enhance the sealing effect, a sealing element (not shown) is arranged on the limiting convex edge 21 and/or the supporting part 11, and the sealing element is configured to fill the gap between the limiting convex edge 21 and the supporting part 11, so that the oil smoke can only pass through the channel inside the smoke collecting hood 2, and the problem of oil stain permeation on the surface of the smoke collecting hood 2 is solved. The sealing element is preferably made of a flexible material, the flexible material can be, but is not limited to, rubber, sponge and other materials with sealing effects, and the sealing element is convenient to process and low in manufacturing cost.

The specific shape of the position-restricting convex edge 21 is not limited, and the position-restricting convex edge 21 may be brought into close contact with the support portion 11. Preferably, the stop ledge 21 is designed as a groove-like structure, the U-shaped groove-like structure comprising two groove walls (not shown) and a groove bottom (not shown) connected between the two groove walls, the bottom surface of the groove bottom abutting on the support 11. This structure has properly reduced the area of contact of spacing protruding edge 21 with supporting part 11 on the basis that does not influence sealing performance, only needs to process the part that contacts with the tank bottom on tank bottom and the supporting part 11 very smoothly can realize spacing protruding along 21 and supporting part 11's inseparable butt, has reduced the requirement to the machining precision, and machining efficiency is higher, and the processing cost is lower.

On the basis of the structure, the elastic connecting part 22 is formed between the limiting convex edge 21 and the top edge of the fume collecting hood 2. The elastic connection part 22 has a certain degree of elastic deformation capability, when the limit convex edge 21 and the support part 11 are locally and tightly abutted but are not abutted at other positions, under the action of the self gravity of the exhaust fume collecting hood 2 and the driving force of the motor assembly 3, the elastic connection part 22 can be properly deformed to enable the limit convex edge 21 and the support part 11 to be completely and tightly abutted, and the processing difficulty of the limit convex edge 21 and the support part 11 is further reduced.

In order to avoid messy oil smoke channeling in the range hood, the range hood further comprises a rectifying plate 4, the rectifying plate 4 is arranged between the smoke collecting hood 2 and the smoke exhaust pipeline, a rectifying air inlet 41 is formed in the rectifying plate 4, and the rectifying air inlet 41 is connected with the end portion of the smoke exhaust pipeline in a sealing mode. The space in the range hood where the oil smoke can flow only comprises the flue inside the smoke collecting hood 2, the space between the rectifying plate 4 and the back plate of the shell 1 and the smoke exhaust pipeline, the oil smoke flowing speed is improved by strictly limiting the flowing space of the oil smoke, the oil smoke is more efficiently exhausted, the oil smoke can be prevented from being diffused in the range hood in a transition mode, the probability that the oil smoke permeates and even erodes parts in the range hood is reduced, and the service life of the range hood is prolonged.

As shown in fig. 2, two sides of the top edge of the smoke collecting hood 2 are respectively provided with a limiting convex edge 21, and the limiting convex edges 21 on the two sides are both in a U-shaped groove-shaped structure, so that the smoke collecting hood 2 has four groove walls in total, and the rectifying plate 4 preferably coincides with the groove wall closest to the smoke exhaust pipe. The 4 settings of cowling panel are in this position department, can allow the oil smoke to reach the exhaust pipe through collection petticoat pipe 2 in, can avoid the oil smoke to get into the space outside the exhaust pipe again, can also carry out preliminary cooling to the oil smoke, during the oil droplet that condenses out in the oil smoke after the cooling drips the recess of recess column structure along cowling panel 4 drippage, avoid oil droplet to flow everywhere and lead to the clearance difficulty, concentrate the oil droplet of collecting and clear up more easily, use experience better.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A range hood, comprising:

the smoke exhaust device comprises a shell (1), a smoke exhaust pipeline and a smoke exhaust pipeline, wherein a through hole is formed in the shell (1); and the number of the first and second groups,

the smoke collecting hood (2) is communicated to the smoke exhaust pipeline when extending out of the shell (1) and is used for collecting the oil smoke and sending the oil smoke into the smoke exhaust pipeline; the smoke collecting hood (2) can be completely retracted into the shell (1) through the through holes.

2. A range hood according to claim 1, characterized in that the range hood further comprises a motor assembly (3), the motor assembly (3) being connected to the smoke collecting hood (2), the motor assembly (3) being configured to drive the smoke collecting hood (2) to extend out of or retract into the housing (1).

3. A range hood according to claim 1, characterized in that the top edge of the fume collecting hood (2) is bent outwards to form a limit convex edge (21), a support part (11) is formed on the outer shell (1), the support part (11) is positioned at the periphery of the through hole, and the limit convex edge (21) abuts on the support part (11) when the fume collecting hood (2) extends out of the outer shell (1).

4. A kitchen ventilator according to claim 3, characterised in that a sealing element is arranged on the stop flange (21) and/or on the support (11), said sealing element being configured to be able to fill the gap between the stop flange (21) and the support (11).

5. A range hood as claimed in claim 3, characterized in that the limiting ledge (21) is of a groove-like structure, the bottom of the groove abutting against the support (11).

6. A range hood as claimed in claim 5, characterized in that the limit ledge (21) is connected with the top edge of the fume collecting hood (2) through an elastic connecting part (22).

7. A range hood as claimed in claim 5, further comprising a rectifying plate (4), wherein the rectifying plate (4) is arranged between the fume collecting hood (2) and the fume exhaust pipe, a rectifying air inlet (41) is formed in the rectifying plate (4), and the rectifying air inlet (41) is hermetically connected with the end of the fume exhaust pipe.

8. A hood according to claim 7, characterized in that said rectifying plate (4) coincides with the groove wall of the side of the groove-like structure close to the fume duct.

9. A range hood according to any of claims 1 to 8, further comprising a fan assembly arranged in the smoke exhaust duct.