CN215675368U

CN215675368U - Fume exhaust fan

Info

Publication number: CN215675368U
Application number: CN202122007013.XU
Authority: CN
Inventors: 王泽恩; 王宏; 黄斌; 舒枝龙; 徐成; 梁荣
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-28
Anticipated expiration: 2031-08-24

Abstract

The utility model provides a range hood, which comprises two groups of blocking parts which are oppositely arranged and arranged on the inner wall of a volute, wherein the blocking parts are respectively arranged corresponding to a first air inlet and a second air inlet of the volute, and the blocking parts comprise: a driving part disposed on an inner wall of the scroll casing; the baffle is connected with the driving part and has a first state which is driven by the driving part to act on the first air inlet and the second air inlet. The driving part drives the baffle to move, so that the baffle can respectively realize the blocking action of the first air inlet and the second air inlet of the volute, and the volute can be sealed through the baffle. Then the ultrasonic generating device and the wind wheel are started again, at the moment, due to the action of the baffle, substances such as cleaning agents in the volute can be prevented from overflowing from the volute under the action of the wind wheel and the like, and therefore the stability of the cleaning process is ensured.

Description

Fume exhaust fan

Technical Field

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

Background

The range hood has become the kitchen electrical apparatus that is essential in modern family's culinary art, because can form a large amount of oil smoke in the culinary art process, consequently can lead to range hood after using a period, and wind wheel in the suction and exhaust system, spiral case are inside because the oil smoke contact when using can adsorb a lot of greasy dirt, and the time is longer, and the greasy dirt that forms just is difficult to clear up more, and this just needs to ask professional cleaning personnel periodic disassembling machine to wash comprehensively, spends a large amount of time and money, causes very big inconvenience. If the inner cavity can not be cleaned for a long time, the load in the suction and exhaust system is increased, the performance index is reduced, the suction force is reduced, the noise is increased, and the like, and especially, the oil stain on the wind wheel has great influence on the performance of the range hood if the oil stain is not cleaned in time. Except the performance is reduced, the oil stain is accumulated and bred with bacteria, peculiar smell and other residues, which seriously affect the body health of the user.

In order to solve the above problems, a range hood is provided in the prior art, an ultrasonic generator is arranged on a volute, when the volute and a wind wheel need to be cleaned, water is injected into the volute, the ultrasonic generator is started simultaneously, ultrasonic waves transmit power to cleaning liquid in a mechanical vibration mode, sound waves are reflected after being blocked, and can be superposed with other sound waves to form a sound field, so that oil stains and the like on the volute or the wind wheel are vibrated down, and the cleaning operation is completed.

However, in the above scheme, the cleaning liquid is stored in the accommodating space formed by the volute itself, and after the wind wheel is started, the cleaning liquid in the volute can be driven to vibrate, so that the cleaning liquid is scattered outside the volute, and the cleaning is insufficient due to too low liquid level of the cleaning liquid when the surrounding environment is affected.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problems that the range hood in the prior art is easy to spill cleaning liquid to the outside after being started, bad for the surrounding environment and easy to cause incomplete cleaning.

Therefore, the utility model provides a range hood, which comprises: the air cabinet is internally provided with a volute; a wind wheel disposed in the volute; the ultrasonic generating device acts on the volute; further comprising: the water inlet is arranged on the volute and is suitable for being communicated with a water source; two sets of block portions of relative setting set up on the inner wall of spiral case, block portion respectively with the first air intake and the corresponding setting of second air intake of spiral case, block the portion and include: a driving part disposed on an inner wall of the scroll casing; the baffle is connected with the driving part and has a first state which acts on the first air inlet and the second air inlet under the driving of the driving part and a second state which is away from the first air inlet and the second air inlet.

According to the range hood provided by the utility model, the baffle is arranged corresponding to the first air inlet and the second air inlet in shape, and the baffle is provided with the flexible sealing part.

The range hood provided by the utility model is characterized in that the volute is provided with an accommodating part corresponding to the first air inlet and the second air inlet, and the baffle is suitable for being embedded into the accommodating part.

According to the range hood provided by the utility model, the ultrasonic wave generating device is arranged inside the volute.

The range hood provided by the utility model also comprises: the infrared generating device is arranged on the inner wall of the volute and used for generating infrared rays; and the infrared receiving device is arranged on the inner wall of the volute, is opposite to the infrared generating device and is used for receiving infrared rays.

The technical scheme of the utility model has the following advantages:

1. the utility model provides a range hood, comprising: the air cabinet is internally provided with a volute; a wind wheel disposed in the volute; the ultrasonic generating device acts on the volute; further comprising: the water inlet is arranged on the volute and is suitable for being communicated with a water source; two sets of block portions of relative setting set up on the inner wall of spiral case, block portion respectively with the first air intake and the corresponding setting of second air intake of spiral case, block the portion and include: a driving part disposed on an inner wall of the scroll casing; the baffle is connected with the driving part and has a first state which acts on the first air inlet and the second air inlet under the driving of the driving part and a second state which is away from the first air inlet and the second air inlet.

When the ultrasonic starting action of the volute is required to be started, the driving part drives the baffle to move, so that the baffle respectively realizes the blocking action of the first air inlet and the second air inlet of the volute, and the volute can be sealed through the baffle. Then the ultrasonic generating device and the wind wheel are started again, at the moment, due to the action of the baffle, substances such as cleaning agents in the volute can be prevented from overflowing from the volute under the action of the wind wheel and the like, and therefore the stability of the cleaning process is ensured.

More importantly, the volute is closed by the baffle plate, so that more cleaning agent can be stored in the volute, and the washing operation can be more fully realized.

2. The range hood provided by the utility model is characterized in that the volute is provided with an accommodating part corresponding to the first air inlet and the second air inlet, and the baffle is suitable for being embedded into the accommodating part.

Through set up the portion of holding on the spiral case, correspond on the baffle simultaneously and set up flexible seal portion, can improve the sealing performance of baffle self to the spiral case effectively to ensure the stable of cleaning operation effectively and go on.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a side view of the range hood provided in FIG. 1;

FIG. 3 is a schematic view of an infrared ray generating device and an infrared ray receiving device installed in the range hood according to the present invention;

fig. 4 is a schematic view of a range hood provided by the present invention with a baffle in an open state;

fig. 5 is a schematic view of a baffle plate in a range hood provided by the utility model in a closed state.

Description of reference numerals in the examples:

1. a wind cabinet; 2. a wind wheel; 3. an ultrasonic wave generating device; 4. a first air inlet; 5. a second air inlet; 6. a drive section; 7. a baffle plate; 8. an infrared generating device; 9. an infrared ray receiving device; 10. a water pump; 11. an oil screen; 12. an oil cup; 13. a volute; 131. an air outlet; 14. an oil guide plate; 15. a control panel.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a range hood, as shown in fig. 1 to 5, including:

the air cabinet 1 is internally provided with a volute 13;

specifically, the wind cabinet 1 is arranged at the outer side part of the range hood. As shown in fig. 1, an oil guide plate 14 is disposed below the scroll casing 13, an oil cup 12 and an oil screen 11 are disposed below the oil guide plate 14, and oil stains adsorbed by the oil guide plate 14 flow to the oil cup 12 along the oil guide plate 14 and are collected by the oil cup 12. Meanwhile, the range hood is provided with a control panel 15, and a user can realize different operations such as starting, closing, wind speed adjustment, entering a cleaning mode and the like through the control panel 15.

A wind wheel 2 disposed in the volute 13;

specifically, a first air inlet 4 and a second air inlet 5 are arranged on the volute casing 13, the first air inlet 4 and the second air inlet 5 are arranged oppositely, and as shown in the view angle shown in fig. 1, the first air inlet 4 and the second air inlet 5 are respectively arranged at the left side and the right side of the volute casing 13. Meanwhile, an air outlet 131 is provided on the scroll casing 13, as shown in fig. 1, the air outlet 131 is provided at a top position of the scroll casing 13. After the wind wheel 2 is started, the external air flow enters the volute 13 through the first air inlet 4 and the second air inlet 5, and then is discharged to the outside from the volute 13 through the air outlet 131.

An ultrasonic generating device 3 acting on said volute 13;

in this embodiment, the fixing manner of the ultrasonic wave generator 3 itself is not limited, and it may be set at the inner wall of the volute 13, or may be set on the outer wall of the volute 13, as long as the generated ultrasonic waves can sufficiently act on the water inside the volute 13.

As an embodiment, in the present embodiment, the ultrasonic wave generating device 3 is disposed inside the volute casing 13. Specifically, a threaded hole is formed in the volute casing 13, the ultrasonic generating device 3 and the volute casing 13 are fixed through a screw, and meanwhile, a sealing ring is arranged on the screw, so that the cleaning agent in the volute casing 13 is prevented from overflowing through the threaded hole;

as another embodiment, the ultrasonic generator 3 may be disposed on the outer wall of the volute 13 assembly, and the ultrasonic generator 3 may be fixed by screws and sealing rings. Correspondingly, the ultrasonic wave generated by the ultrasonic wave generating device 3 is transmitted to the cleaning agent inside the volute casing 13 through the outer wall of the volute casing 13, so as to realize the cleaning operation.

The water inlet is arranged on the volute casing 13 and is suitable for being communicated with a water source;

in this embodiment, the water inlet may be disposed at the middle position of the volute casing 13 or at the upper position of the volute casing 13, so as to prevent the injected cleaning agent from overflowing. Meanwhile, a water inlet pipe can be connected between the water inlets, and the water inlet pipe can be a flexible pipe such as a rubber pipe; or may be a water inlet pipe such as a stainless steel pipe, a copper pipe, etc., and a water pump 10 is provided on the water inlet pipe to introduce water into the scroll casing 13. Meanwhile, the sealing structure is arranged at the corresponding part of the water inlet or the water inlet pipe, so that the sealing performance is improved.

Furthermore, the water inlet or the water inlet pipe can be directly connected with tap water, a water tank can be arranged, and the water injection operation can be carried out on the volute casing 13 in a mode of direct water injection by a user.

Two sets of block portions of relative setting set up on the inner wall of spiral case 13, block portion respectively with the first air intake 4 and the corresponding setting of second air intake 5 of spiral case 13, block portion includes:

a drive portion 6 provided on an inner wall of the scroll casing 13;

specifically, in the present embodiment, the driving portion 6 itself adopts a cylinder structure, a fixed end of the cylinder is disposed on an inner wall of the volute 13, and a movable end of the cylinder is disposed to be connected to the baffle 7;

and a baffle 7 connected to the driving portion 6, as shown in fig. 4 and 5, the baffle 7 having a first state acting on the first air inlet 4 and the second air inlet 5 under the driving of the driving portion 6, and a second state away from the first air inlet 4 and the second air inlet 5.

Specifically, the shape of the baffle 7 itself is not limited as long as the blocking operation of the first air inlet 4 and the second air inlet 5 can be achieved, and it may be set to a rectangular shape or the like.

Further, the baffle 7 and the driving portion 6 may be connected by a screw thread or an interference fit.

In the range hood provided by this embodiment, the baffle 7 is shaped to correspond to the first air inlet 4 and the second air inlet 5, and the baffle 7 is provided with a flexible sealing portion.

Specifically, the body of baffle 7 itself can adopt metal material or plastic slab material to make, and flexible sealing sets up on the body of baffle 7, can adopt glue to be connected between the local of flexible sealing and baffle 7, also can adopt the screw to fasten. The flexible sealing part can be made of rubber, latex and the like, and is extruded to seal a gap between the baffle 7 and the volute casing 13 after the flexible sealing part acts on the volute casing 13, so that the cleaning liquid in the volute casing 13 is effectively prevented from leaking.

In order to further improve the sealing effect between the baffle 7 and the volute casing 13, a containing part is arranged on the volute casing 13 corresponding to the first air inlet 4 and the second air inlet 5, and the baffle 7 is suitable for being embedded in the containing part.

In particular, the shape of the housing itself corresponds to the shape of the baffle 7, as in a circular arrangement. Specifically, the accommodating portion itself is recessed on the scroll casing 13, thereby forming a space for accommodating the baffle 7. Meanwhile, the inner diameter of the accommodating portion is slightly larger than the outer diameter of the baffle 7, so that the baffle 7 can sufficiently enter into the accommodating portion.

The range hood that this embodiment provided still includes: an infrared ray generating device 8 disposed on an inner wall of the volute 13 for generating infrared rays; and the infrared receiving device 9 is arranged on the inner wall of the volute 13 and is opposite to the infrared generating device 8 and used for receiving infrared rays.

Specifically, as shown in fig. 3, the infrared ray generating device 8 and the infrared ray receiving device 9 are disposed opposite to each other, and when the inside of the volute 13 is covered with the substance such as oil stain, the infrared ray generated by the infrared ray generating device 8 cannot be absorbed by the infrared ray receiving device 9, and the cleaning operation is continued. The cleaning operation can be stopped until the infrared receiving device 9 receives the infrared signal generated by the infrared generating device 8, which indicates that the oil stain in the volute 13 has been cleaned.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A range hood, comprising:

the air cabinet is internally provided with a volute;

a wind wheel disposed in the volute;

the ultrasonic generating device acts on the volute;

it is characterized by also comprising:

the water inlet is arranged on the volute and is suitable for being communicated with a water source;

two sets of block portions of relative setting set up on the inner wall of spiral case, block portion respectively with the first air intake and the corresponding setting of second air intake of spiral case, block the portion and include:

a driving part disposed on an inner wall of the scroll casing;

the baffle is connected with the driving part and has a first state which acts on the first air inlet and the second air inlet under the driving of the driving part and a second state which is away from the first air inlet and the second air inlet.

2. The range hood of claim 1, wherein the baffle is shaped to correspond to the first air inlet and the second air inlet, and a flexible sealing portion is disposed on the baffle.

3. The range hood of claim 2, wherein the volute has a receiving portion at a location corresponding to the first air inlet and the second air inlet, and the baffle is adapted to be inserted into the receiving portion.

4. A range hood according to any one of claims 1-3 wherein the ultrasonic generating means is disposed within the volute.

5. A range hood according to any one of claims 1-3, further comprising:

the infrared generating device is arranged on the inner wall of the volute and used for generating infrared rays;

and the infrared receiving device is arranged on the inner wall of the volute, is opposite to the infrared generating device and is used for receiving infrared rays.