CN221629830U - Ceiling bellows and range hood comprising same - Google Patents

Abstract

The application provides a ceiling bellows and a range hood comprising the same, wherein the ceiling bellows comprises a bellows shell and a volute, the bellows shell comprises an air inlet pipe arranged at the bottom of the bellows shell, the volute is positioned in the bellows shell and comprises a forward air inlet hole and a reverse air inlet hole, a first air flow channel is arranged between the air inlet pipe and the forward air inlet hole, the air inlet pipe, the first air flow channel and the forward air inlet hole form a first air exhaust channel, a second air flow channel is arranged between the air inlet pipe and the reverse air inlet hole, and the air inlet pipe, the second air flow channel and the reverse air inlet hole form a second air exhaust channel. In the embodiment of the application, by arranging the first exhaust air duct and the second exhaust air duct, a part of oil smoke flows through the first exhaust air duct to enter the volute to be discharged out of the bellows, and the other part of oil smoke flows through the second exhaust air duct to enter the volute to be discharged out of the bellows, so that the flow field distribution in the bellows is improved, and the oil smoke absorption efficiency of the range hood is improved.

Description

Ceiling bellows and range hood comprising same

Technical Field

The utility model relates to the technical field of kitchen equipment, in particular to a suspended ceiling bellows and a range hood comprising the suspended ceiling bellows.

Background

The range hood is a kitchen appliance for purifying kitchen environment, and in the cooking process of a user, the range hood can extract waste oil smoke harmful to human bodies, which is generated by cooking, and the range hood on the market is mainly divided into a Chinese range hood, a European range hood and a side-draught range hood.

In order to suck out waste cooking fume generated in the cooking process and promote air exchange, a bellows structure is generally arranged in the range hood. One common bellows structure is to arrange a ceiling bellows in the range hood, but the ceiling bellows is limited by the whole structure of the range hood, so that the defects of poor air inlet condition, unbalanced flow field distribution and the like are caused, and the whole working efficiency of the range hood is reduced.

Disclosure of utility model

In order to solve the technical problems, the ceiling bellows and the range hood comprising the same disclosed by the utility model can improve the problems of poor air inlet condition, uneven flow field distribution and the like caused by limited structure in the prior art and improve the range hood efficiency.

In order to achieve the above object, in a first aspect, an embodiment of the present utility model provides a ceiling bellows, including a bellows housing and a volute;

The bellows housing comprises an air inlet pipe arranged at the bottom of the bellows housing;

The volute is positioned in the bellows shell and comprises a positive air inlet and a counter air inlet;

A first air flow channel is arranged between the air inlet pipe and the positive air inlet hole, and the air inlet pipe, the first air flow channel and the positive air inlet hole form a first air exhaust channel;

A second airflow channel is arranged between the air inlet pipe and the opposite air inlet hole, and the air inlet pipe, the second airflow channel and the opposite air inlet hole form a second exhaust air channel.

In one possible embodiment, the air inlet pipe has a circular cross section, and the positive air inlet hole has a circular cross section;

the inner diameter of the air inlet pipe is larger than positive toward the inside diameter of the intake port.

In one possible embodiment, the opposite air inlet holes are circular in cross section, the forward air inlet holes and the opposite air inlet holes are coaxial, and the axis of the forward air inlet holes is parallel to the axis of the air inlet pipe.

In one possible embodiment, the projection of the forward air intake along the air intake axis is located inside the projection of the air intake along the air intake axis.

In one possible embodiment, the volute includes a forward seal plate, a side seal plate, and a counter seal plate, the forward seal plate including a forward inlet aperture, the counter seal plate including a counter inlet aperture;

The two sides of the lateral sealing plate are fixedly connected with a forward sealing plate and a opposite sealing plate respectively;

The contact part of the lateral sealing plate and the forward sealing plate is provided with a first air guide structure;

The contact part of the lateral sealing plate and the opposite sealing plate is provided with a second air guide structure.

In one possible embodiment, the bellows housing includes a side panel provided with an exhaust port;

the volute comprises an air outlet which is communicated with the air outlet;

The spiral case is fixedly connected with the side wall board.

In one possible embodiment, a ceiling bellows includes a motor assembly including a fixedly connected motor and a motor bracket;

The motor is positioned in the opposite air inlet;

The motor bracket is fixedly connected with the side wall board.

In one possible embodiment, the motor bracket comprises a motor support column fixedly connected with the side wall board;

The motor support column is of a quadrangular structure, and the cross section of the quadrangular structure is rectangular;

the length of the long side of the rectangle is longer than that of the wide side of the rectangle, and the long side of the rectangle is perpendicular to the plane of the air outlet.

In one possible embodiment, the bellows housing includes a top sealing plate and an intake bottom plate, the intake bottom plate including an intake pipe;

The sealing top plate is fixedly connected with the side wall board;

the air inlet bottom plate is fixedly connected with the side wall plate.

In a second aspect, the utility model discloses a range hood, which comprises a ceiling bellows, wherein the ceiling bellows is any one of the ceiling bellows, and the ceiling bellows is positioned at the top of the range hood;

The suspended ceiling bellows is fixedly connected with the range hood.

The technical scheme provided by the embodiment of the application has the following technical effects:

The application provides a ceiling bellows and a range hood comprising the same, wherein the ceiling bellows comprises a bellows shell and a volute, the bellows shell comprises an air inlet pipe arranged at the bottom of the bellows shell, the volute is positioned in the bellows shell and comprises a forward air inlet hole and a reverse air inlet hole, a first air flow channel is arranged between the air inlet pipe and the forward air inlet hole, the air inlet pipe, the first air flow channel and the forward air inlet hole form a first air exhaust channel, a second air flow channel is arranged between the air inlet pipe and the reverse air inlet hole, and the air inlet pipe, the second air flow channel and the reverse air inlet hole form a second air exhaust channel. In the embodiment of the application, by arranging the first exhaust air duct and the second exhaust air duct, a part of oil smoke flows through the first exhaust air duct to enter the volute to be discharged out of the bellows, and the other part of oil smoke flows through the second exhaust air duct to enter the volute to be discharged out of the bellows, so that the flow field distribution in the bellows is improved, and the air inlet efficiency of the range hood is improved.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions and advantages of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the application, 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 cross-sectional view of a ceiling bellows provided in an embodiment of the present application;

FIG. 2 is a bottom view of a ceiling bellows provided in accordance with an embodiment of the present application;

FIG. 3 is a schematic view of a volute of a ceiling bellows provided in an embodiment of the present application;

FIG. 4 is a schematic illustration of a ceiling bellows provided in accordance with an embodiment of the present application;

FIG. 5 is a schematic diagram II of a ceiling bellows according to an embodiment of the present application;

FIG. 6 is a schematic diagram III of a ceiling bellows provided in an embodiment of the present application;

FIG. 7 is a schematic diagram of a ceiling bellows according to an embodiment of the present application;

fig. 8 is a schematic diagram of a ceiling bellows according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that reference throughout this specification to "one embodiment" or "an embodiment" of an embodiment of the present application means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. It is to be understood that in the description of embodiments of the present application and in the claims and the above-described drawings, the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. The terms "first," "second," and the like, 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 defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. In addition, in the description of the present embodiment, unless otherwise specified, the meaning of "a plurality" is two or more. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, or article that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or article.

It will be understood that when an apparatus or component is referred to as being "on … …," "adjacent to … …," "connected to" another apparatus or component, it can be directly on, adjacent to, connected to the other apparatus or component, or intervening apparatus or components may be present. In contrast, when a device or component is referred to as being "directly on … …," "directly adjacent to … …," "directly connected to" another device or component, there is no intervening device or component. It will be understood that, although the terms first, second, third, etc. may be used to describe various elements, regions, layers and/or sections, these elements, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, region, layer or section from another element, region, layer or section. Thus, a first element, region, layer or section discussed below could be termed a second element, region, layer or section without departing from the teachings of the present application. When a second element, region, layer or section is discussed, it does not necessarily mean that the first element, region, layer or section is present.

In order to make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the detailed description and specific examples, while indicating the embodiment of the application, are intended for purposes of illustration only and are not intended to limit the scope of the application.

Referring to fig. 1, fig. 1 is a schematic cross-sectional view of a ceiling bellows according to an embodiment of the present application, as shown in fig. 1, the cross-sectional view is a schematic cross-sectional view taken along a line A-A in fig. 2, and the ceiling bellows includes a bellows housing 1 and a volute 2. Wherein the bellows housing 1 comprises an inlet pipe 11 arranged at the bottom of the bellows housing, in an alternative embodiment the volute 2 is located inside the bellows housing 1, the volute 2 comprising a forward inlet hole 211 and an opposite inlet hole 221.

Alternatively, the forward air intake hole 211 is located below the opposite air intake hole 221, the air intake pipe 11 is located below the forward air intake hole 211, and the position of the forward air intake hole 211 corresponds to the position of the air intake pipe 11, specifically, the forward air intake hole 211 is opposite to the air intake pipe 11.

In one possible embodiment, a first air flow channel 212 is between the air inlet pipe 11 and the forward air inlet hole 211, the air inlet pipe 11, the first air flow channel 212 and the forward air inlet hole 211 form a first air exhaust channel, a second air flow channel 222 is between the air inlet pipe 11 and the opposite air inlet hole 221, and the air inlet pipe 11, the second air flow channel 222 and the opposite air inlet hole 221 form a second air exhaust channel. In this embodiment, by providing the first exhaust duct and the second exhaust duct, the oil smoke flowing in from the air inlet pipe 11 is split inside the bellows housing 1, wherein a part of the oil smoke flows through the first airflow passage 212, the forward air inlet 211, enters the inside of the volute 2 and is discharged outside the volute 2, and another part of the oil smoke flows through the second airflow passage 222, the opposite air inlet 221, enters the inside of the volute 2 and is discharged outside the volute 2.

Referring to fig. 2, fig. 2 is a bottom view of a ceiling bellows according to an embodiment of the present application, as shown in fig. 2, in a possible embodiment, a section of an air inlet pipe 11 is circular, the air inlet pipe 11 is a cylindrical or truncated cone-shaped tubular structure, a section of a forward air inlet hole 211 is circular, and the forward air inlet hole 211 is a cylindrical or truncated cone-shaped through hole structure. The inner diameter of the intake pipe 11 is larger than the inner diameter of the forward intake hole 211. Alternatively, the inner diameter of the air inlet pipe 11 is always unchanged, alternatively, the inner diameter of the air inlet pipe 11 is changed at different sections. Alternatively, the inside diameter of the forward air intake hole 211 is constant all the time, alternatively, the inside diameter of the forward air intake hole 211 is changed at different sections. In order to make the forward air inlet hole 211 always face the air inlet pipe 11 so as to improve the fume exhausting effect of the ceiling bellows, the minimum inner diameter of the air inlet pipe 11 is always larger than the maximum inner diameter of the forward air inlet hole 211 under the condition that the inner diameter of the air inlet pipe 11 or the inner diameter of the forward air inlet hole 211 is changed.

Alternatively, the cross section of the opposite air inlet hole 221 is circular, the opposite air inlet hole 221 is a cylindrical or truncated cone-shaped through hole structure, the forward air inlet hole 211 is coaxial with the opposite air inlet hole 221, and the axis of the forward air inlet hole 211 is parallel to the axis of the air inlet pipe 11. In one possible embodiment, the projection of the forward air intake hole 211 along the axis of the air intake pipe 11 is located inside the projection of the air intake pipe 11 along the axis of the air intake pipe 11. Specifically, as shown in fig. 2, in a bottom view of the ceiling bellows, any point of the forward air intake hole 211 is located inside the air intake pipe 11. The design can ensure that the positive air inlet is always opposite to the air inlet pipe 11, ensure the air inflow of the positive air inlet 211 and reduce the vortex in the air duct.

Referring to fig. 3, fig. 3 is a schematic view of a scroll casing of a ceiling bellows according to an embodiment of the present application, as shown in fig. 3, in one possible embodiment, the scroll casing 2 includes a forward sealing plate 21, a counter sealing plate 22, and a lateral sealing plate 23, a forward air inlet 211 is disposed on the forward sealing plate 21, a counter air inlet 221 is disposed on the counter sealing plate 22, two sides of the lateral sealing plate 23 are fixedly connected with the forward sealing plate 21 and the counter sealing plate 22 respectively and form a closed scroll casing, the lateral sealing plate 23 contacts with the forward sealing plate 21, a contact portion between the lateral sealing plate 23 and the forward sealing plate 21 is provided with a first air guiding structure 24, a contact portion between the lateral sealing plate 23 and the counter sealing plate 22 is provided with a second air guiding structure 25. Alternatively, the forward seal plate 21 and the counter seal plate 22 are disposed parallel to the horizontal plane, and the lateral seal plate 23 is disposed perpendicular to the horizontal plane.

Alternatively, the first air guiding structure 24 and the second air guiding structure 25 may have rounded corners, chamfers, and the like. Such an air guiding structure can make the air guiding path more gentle, promote the condition of intaking air to the inlet port 211, reduce the swirl in the wind channel, reduce the noise.

Referring to fig. 4, fig. 4 is a schematic diagram of a ceiling bellows provided in an embodiment of the present application, as shown in fig. 4, the volute 2 may be provided with an air outlet 26, in one possible embodiment, the forward sealing plate 21 is parallel to the opposite sealing plate 22, the plane of the air outlet 26 is perpendicular to the planes of the forward sealing plate 21 and the opposite sealing plate 22, and the oil smoke flowing into the volute 2 flows through the air outlet 26 and is discharged out of the bellows housing 1.

Optionally, the bellows housing 1 includes side panels 12, and the side panels 12 may be provided with vent 121 structures. The exhaust port 121 may be in communication with the air outlet 26. In order to enhance the exhaust effect of the oil smoke, the position of the exhaust port 121 may correspond to the position of the air outlet 26, and in particular, the position and size of the exhaust port 121 may completely coincide with the position and size of the air outlet 26.

The spiral case 2 can be fixedly connected with the side wall plate 12, the side wall plate 12 plays a role in fixedly supporting the spiral case 2, and optionally, the air outlet 26 is fixedly connected with the air outlet 121, and the air outlet 26 and the air outlet 121 can be connected in a welding mode, a bolt fixing mode or the like.

Optionally, the bellows housing includes an air intake bottom plate 11, where the air intake bottom plate 11 is fixedly connected to the side wall plate 12, and the air intake bottom plate 11 may be fixedly connected to the side wall plate 12 by bolting, welding, or the like, and in a possible embodiment, the air intake bottom plate 11 and the side wall plate 12 are integrally formed. The air intake bottom plate 11 includes an air intake pipe 111, specifically, the air intake bottom plate 11 is horizontally placed, the air intake pipe 111 is disposed below the air intake bottom plate 11, the air intake bottom plate 11 is communicated with both the forward air intake hole 211 and the opposite air intake hole 221, specifically, the air intake pipe 111 is communicated with both the forward air intake hole 211 and the opposite air intake hole 221.

Referring to fig. 5, fig. 5 is a schematic diagram of a ceiling bellows according to an embodiment of the present application, in which a top shielding of the ceiling bellows is hidden for convenience of illustration. As shown in fig. 5, the ceiling bellows includes motor assembly 3, motor assembly 3 includes fixed connection's motor 31 and motor support 32, optionally, motor 31 is located the inside of subtend inlet port 221, and motor 31 provides the water conservancy diversion effect to entering bellows shell 1 and not flowing through forward inlet port 211 and discharging the outer oil smoke of bellows, and then for the subtend inlet port 221 provides suction, motor support 32 and side wall board 12 fixed connection, and side wall board 12 can play fixed support effect to motor support 32, can adopt bolted connection, welding, buckle fixed connection etc. connection mode between motor support 32 and the side wall board 12.

In one possible embodiment, the motor support 32 includes a motor support post 321, where the motor support post 321 is fixedly connected to the side wall plate 12, and optionally, the motor support post 321 is a quadrangular prism structure, where a side edge of the quadrangular prism is parallel to the plane of the air outlet 26, and a cross section of the quadrangular prism structure is rectangular, where a length of a long side of the rectangle is greater than a length of a wide side of the rectangle, and a long side of the rectangle is perpendicular to the plane of the air outlet 26. Specifically, when the ceiling bellows operates, unstable acting force exists on the volute 2 by air, and the acting force is influenced by loads such as air quantity or pressure, so that the volute is easy to vibrate. The rectangular long sides are perpendicular to the plane of the air outlet 26, so that vibration can be improved to a certain extent, and structural deformation can be prevented.

Referring to fig. 6, fig. 6 is a schematic diagram of a ceiling bellows provided in an embodiment of the present application, as shown in fig. 6, a bellows housing includes a sealing top plate 13, an air intake bottom plate 11, a side wall plate 12 and the sealing top plate 13 together provide a sealing effect for the ceiling bellows, so that the bellows housing forms a sealed and leak-proof oil smoke discharge cavity, in a possible embodiment, the sealing top plate 13 is fixedly connected with the side wall plate 12, the side wall plate 12 provides a fixing supporting effect for the sealing top plate 13, and fixing modes such as bolting, welding, fastening and fixing can be adopted between the side wall plate 12 and the sealing top plate 13.

In one possible embodiment, the dimensions of the ceiling bellows are determined by the length, width and height of the ceiling bellows, and for convenience of description we will refer to the length of the ceiling bellows as L1, the width of the ceiling bellows as L2 and the height of the ceiling bellows as L3. Optionally, L1 is less than 380mm, L2 is less than 280mm, and L3 is less than 250mm of the suspended ceiling bellows. The bellows is small in size and light in weight, and can well save kitchen space.

Referring to fig. 7, fig. 7 is a schematic diagram of a ceiling bellows according to an embodiment of the present application, as shown in fig. 7, only a volute structure is reserved in fig. 7 for convenience of illustration. In one possible embodiment, the radius L4 of the wind hole at the top of the volute is 89mm, the outer surface of the volute is cylindrical, the radius L5 of the outer surface of the volute is 115mm, and the height L6 of the volute is 155mm.

Referring to fig. 8, fig. 8 is a schematic diagram of a ceiling bellows according to an embodiment of the present application, as shown in fig. 8, for convenience of illustration, only the impeller structure of the volute is reserved in fig. 8. In one possible embodiment, the radius L7 of the impeller is 105mm and the overall height L8 of the impeller is 147mm.

Wherein, mm refers to millimeter.

In a second aspect, the utility model discloses a range hood, which comprises a ceiling bellows, wherein the ceiling bellows is any one of the ceiling bellows, and oil smoke sucked by the range hood is discharged outdoors after flowing through the ceiling bellows.

In the heating process, the density of the high-temperature oil smoke generated by cooking is smaller than that of air, so that the high-temperature oil smoke generated by cooking tends to have ascending movement trend, the high-temperature oil smoke to be discharged out can be accumulated at the top of the range hood generally, in order to improve the working efficiency of the range hood, the ceiling bellows can be arranged at the top of the range hood, and the ceiling bellows and the range hood can be fixedly connected in a welding mode, a bolt mode and the like.

The embodiment of the application is respectively provided with a first exhaust air channel formed by the air inlet pipe, the first airflow channel and the positive air inlet hole, and a second exhaust air channel formed by the air inlet pipe, the second airflow channel and the opposite air inlet hole, so that the oil smoke sucked by the range hood is split after flowing through the air inlet pipe, wherein one part of the oil smoke flows through the first exhaust air channel and enters the volute to be discharged outside the range hood, and the other part of the oil smoke flows through the second exhaust air channel and enters the volute to be discharged outside the range hood, thereby improving the flow field distribution in the bellows and improving the air inlet efficiency of the range hood.

It should be noted that: the sequence of the embodiments of the present application is only for description, and does not represent the advantages and disadvantages of the embodiments. And the foregoing description has been directed to specific embodiments of this specification. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the apparatus embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments in part.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program for instructing relevant hardware, where the program may be stored in a computer readable storage medium, and the storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

The foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the application are intended to be included within the scope of the application.

Claims (10)

1. A ceiling bellows is characterized by comprising a bellows shell and a volute;

The bellows housing comprises an air inlet pipe arranged at the bottom of the bellows housing;

the volute is positioned in the bellows shell and comprises a positive air inlet and a counter air inlet;

a first air flow channel is arranged between the air inlet pipe and the positive air inlet hole, and the air inlet pipe, the first air flow channel and the positive air inlet hole form a first air exhaust channel;

a second airflow channel is arranged between the air inlet pipe and the opposite air inlet hole, and the air inlet pipe, the second airflow channel and the opposite air inlet hole form a second air exhaust channel.

2. The ceiling bellows of claim 1 wherein the inlet tube is circular in cross-section and the forward inlet hole is circular in cross-section;

the inner diameter of the air inlet pipe is larger than that of the positive air inlet hole.

3. A ceiling bellows as claimed in claim 2, wherein the opposed inlet holes are circular in cross-section, the forward inlet holes and the opposed inlet holes being coaxial, the axis of the forward inlet holes being parallel to the axis of the inlet duct.

4. A ceiling bellows according to claim 3, wherein the projection of the forward air inlet aperture along the air inlet duct axis is located inwardly of the projection of the air inlet duct along the air inlet duct axis.

5. The ceiling bellows of claim 1 wherein the volute includes a forward seal plate, a side seal plate, and a counter seal plate, the forward seal plate including the forward air inlet aperture, the counter seal plate including the counter air inlet aperture;

the two sides of the lateral sealing plate are respectively and fixedly connected with the forward sealing plate and the opposite sealing plate;

A first air guide structure is arranged at the contact part of the lateral sealing plate and the forward sealing plate;

And a second air guide structure is arranged at the contact part of the lateral sealing plate and the opposite sealing plate.

6. The ceiling air box of claim 1, wherein the air box housing comprises side panels, the side panels being provided with air vents;

The volute comprises an air outlet, and the air outlet is communicated with the air outlet;

the volute is fixedly connected with the side wall plate.

7. The ceiling bellows of claim 6 wherein the ceiling bellows includes a motor assembly including a fixedly connected motor and motor bracket;

The motor is positioned in the opposite air inlet hole;

the motor support is fixedly connected with the side wall plate.

8. The ceiling bellows of claim 7 wherein said motor bracket includes a motor support post fixedly connected to said side wall;

the motor support column is of a quadrangular structure, and the cross section of the quadrangular structure is rectangular;

The length of the long side of the rectangle is larger than that of the wide side of the rectangle, and the long side of the rectangle is perpendicular to the plane where the air exhaust port is located.

9. The suspended ceiling air box of claim 6, wherein the air box housing comprises a sealed top panel and an air intake floor comprising the air inlet duct;

The sealing top plate is fixedly connected with the side wall plate;

the air inlet bottom plate is fixedly connected with the side wall plate.

10. A range hood comprising a ceiling bellows as claimed in any one of claims 1 to 9, said ceiling bellows being located at the top of said range hood;

The suspended ceiling bellows is fixedly connected with the range hood.