Back plate assembly and range hood with same

By setting up the display area and lighting component on the backboard of the hood machine, the problem of insufficient brightness when the existing hood was cooked, and a better cooking environment was achieved.

CN222417659UActive Publication Date: 2025-01-28GUANGDONG CHENGYI TECH CO LTD
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Patent Information

Application Number
CN202421232329.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-01-28
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

The existing hoods are too large when cooking, resulting in insufficient lighting and brightness, which affects the user's cooking conditions.

Method used

Design a backboard component containing the backplane and light emitting components. The backboard is equipped with a light -emitting display area. The light emitting component is located on the back side of the back plate. Realize the light from the display area of ​​light, enhance the brightness of the cooking area.

Benefits of technology

By opening the light component, light can fully illuminate the display area, enhance the brightness of the cooking area, avoid the problem of insufficient brightness when the oil fume is too large, and improve the cooking environment of users.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of kitchen utensils, in particular to a back plate assembly and a range hood with the back plate assembly. The back plate assembly is used for the range hood and comprises a back plate and a light-emitting assembly, a light-emitting display area is arranged on the back plate, the width of the light-emitting display area in the left-right direction of the back plate is a1, and the height of the light-emitting display area in the up-down direction of the back plate is b1; the light-emitting assembly is arranged on the rear side of the back plate and is aligned with the light-emitting display area, the width of a light-emitting area of the light-emitting assembly in the left-right direction of the back plate is a2, a2 is larger than or equal to a1, the height of the light-emitting area of the light-emitting assembly in the up-down direction of the back plate is b2, and b2 is larger than or equal to b1; light emitted by the light-emitting area of the light-emitting assembly is emitted out of the light-emitting display area. The utility model aims to solve the problem that the cooking of a user is influenced due to insufficient illumination brightness of the conventional range hood to a cooking bench.
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Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a back panel assembly and a range hood having the same. Background Art

[0002] The range hood, also known as the oil hood, is usually installed above the kitchen stove. Its main function is to quickly extract the waste from stove combustion and the fumes harmful to the human body generated during the cooking process and discharge them to the outside, while condensing and collecting the fumes to reduce damage to the kitchen environment and human health.

[0003] The lighting of the existing range hood is mainly located on the range hood body. When the user is cooking, if there is too much oil smoke in the kitchen, the oil smoke flows upward and blocks the light from the lighting equipment, making the brightness of the stove insufficient, thus affecting the user's cooking. Utility Model Content

[0004] The utility model provides a back panel assembly and a range hood having the same, so as to solve the problem that the existing range hood has insufficient brightness for illuminating a stove top, thus affecting the cooking of users.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a back plate assembly for a range hood, comprising:

[0006] A back plate, on which a light-emitting display area is provided, wherein the light-emitting display area has a width a1 along the left-right direction of the back plate and a height b1 along the up-down direction of the back plate;

[0007] A light-emitting component is arranged on the rear side of the back panel and aligned with the light-emitting display area. The width of the light-emitting area of ​​the light-emitting component along the left-right direction of the back panel is a2, a2≥a1, and the height of the light-emitting area of ​​the light-emitting component along the up-down direction of the back panel is b2, b2≥b1; the light emitted by the light-emitting area of ​​the light-emitting component shines out from the light-emitting display area.

[0008] According to one embodiment of the utility model, the light-emitting component includes a fixing tape, a light-emitting light strip and a light guide, the light-emitting light strip is placed on the upper edge of the light guide, and the fixing tape connects the light-emitting light strip and the light guide together.

[0009] According to one embodiment of the utility model, the fixing tape is adhered to the rear side of the light guide, and its upper end extends upward to the upper edge of the light strip, then bends downward over the upper edge of the light strip and extends downward to the front side of the light guide, and the portion between the lower edge of the fixing tape located on the front side of the light guide and the lower edge of the light guide forms the light-emitting area of ​​the light-emitting component.

[0010] According to one embodiment of the utility model, the height of the fixing tape located on the front side of the light guide along the up-down direction of the back plate is smaller than the height of the fixing tape located on the rear side of the light guide along the up-down direction of the back plate.

[0011] According to one embodiment of the utility model, it also includes a back panel bracket, which has a first connecting surface and a second connecting surface. The first connecting surface is parallel to the back panel and is connected to the front side of the back panel above the luminous display area. The second connecting surface is used to connect the range hood.

[0012] According to one embodiment of the utility model, it also includes side panel connecting frames arranged on the left and right sides of the back panel, the side panel connecting frames are provided with forward-facing slots, and the side panel connecting frames on each side have an extension wall extending toward the opposite side on the wall surface facing the opposite side, and the extension wall is perpendicular to the wall surface on the side, and the back panel is located between the side panel connecting frames on both sides, and the edges on both sides are connected to the corresponding surfaces of the side panel connecting frames on the corresponding sides, and the extension wall on each side extends toward the opposite side and is connected to the front side of the back panel.

[0013] According to an embodiment of the present invention, the distance between the outer edges of the extension walls on both sides is a3, and a2≥a1≥a3.

[0014] The utility model also discloses a range hood, which adopts the back panel assembly described in any of the above items, including a range hood main body, the second connecting surface of the back panel bracket is connected to the rear side of the top panel of the range hood main body, the second connecting surface of the back panel bracket is horizontally arranged, and a first clip is provided on it, and a first slot is provided on the top panel of the range hood main body, the first clip is plugged into the first slot to connect the back panel assembly to the range hood main body.

[0015] According to one embodiment of the utility model, it also includes a side baffle assembly arranged on the left and right sides of the range hood body, the side baffle assembly includes a side baffle and a side baffle bracket, the side baffle bracket is connected to the upper inner side surface of the side baffle, and is provided with a second clip, a second slot is provided on the top plate of the range hood body, the left and right sides of the back plate are connected to side plate connecting frames, the side plate connecting frame is provided with a forward-facing slot, the second clip is plugged into the second slot, and the rear side of the side baffle is inserted into the slot to connect the side baffle assembly to the range hood body.

[0016] According to one embodiment of the utility model, it also includes an oil cup, and an oil drain hole is provided on the top plate of the range hood body. The oil cup is connected to the bottom of the top plate of the range hood body and aligned with the oil drain hole. After the oil cup is connected in place below the top plate of the range hood body, the distance from the bottom of the oil cup to the top plate of the range hood body is b3, the distance from the upper edge of the light-emitting area of ​​the light-emitting component to the top plate of the range hood body is b4, the distance from the upper edge of the light-emitting display area to the top plate of the range hood body is b5, and b4≤b3≤b5, b1≤b2.

[0017] Compared with the prior art, the back panel assembly and the range hood having the same of the utility model have at least the following advantages:

[0018] The utility model provides a back panel component, by arranging a luminous display area and a luminous component on the back panel, when the user uses the range hood, the user turns on the luminous component, and the light of the luminous component can completely illuminate the luminous display area, so that the light emitted by the luminous component is emitted from the display area of ​​the back panel, thereby realizing the enhancement of the brightness of the cooking area when the user uses the range hood, avoiding the occurrence of excessive oil smoke and insufficient brightness when the user is cooking.

[0019] A range hood of the utility model, through the arrangement of the range hood main body and the back panel assembly, a first clip is arranged on the back panel bracket, and a first slot is arranged on the range hood main body. During the installation process, the user inserts the first clip into the first slot, so that the back panel assembly can be more fixedly installed on the range hood main body, which is convenient for the user to install. At the same time, when the user uses the range hood, the fixation of the range hood main body to the back panel assembly is strengthened to prevent the back panel assembly from falling off the range hood main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation of the utility model, the following will briefly introduce the drawings required for use in the specific implementation. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0021] Figure 1 This is a structural explosion diagram of a back panel assembly of the utility model.

[0022] Figure 2 This is an exploded view of the light-emitting component structure in a back panel component of the utility model.

[0023] Figure 3 It is a cross-sectional view of a range hood of the utility model.

[0024] Figure 4 for Figure 3 A partial enlarged view of point B in the middle.

[0025] Figure 5 The utility model is a structural explosion diagram of a range hood.

[0026] Figure 6 It is a side sectional view of a range hood of the utility model.

[0027] Figure 7 for Figure 6 A partial enlarged view of point A in the middle.

[0028] Figure numerals: back panel assembly 1, back panel 11, luminous display area 111, luminous assembly 12, fixing tape 121, luminous light strip 122, light guide plate 123, back panel bracket 13, first buckle 131, side panel connecting frame 14, slot 141, extension wall 142, range hood body 2, oil drain hole 21, side baffle assembly 3, side baffle 31, side baffle bracket 32, second buckle 321, oil cup 4. DETAILED DESCRIPTION

[0029] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0032] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings:

[0033] See also Figures 1 to 7The utility model provides a back panel assembly for a range hood, comprising a back panel 11 and a light emitting assembly 12.

[0034] Among them, a light-emitting display area 111 is provided on the back plate 11, and the width of the light-emitting display area 111 along the left-right direction of the back plate 11 is a1, and the height along the up-down direction of the back plate 11 is b1. Among them, the back plate 11 is made of glass. In this embodiment, if a1 is 680 mm and the height b1 is 120 mm, the width a1 of the left-right direction of the back plate 11 and the height b1 along the up-down direction of the back plate 11 can also be customized according to the actual needs of the customer. By setting the light-emitting display area 111 with a width of a1 and a height of b1 on the back plate 11, the light-emitting component 12 emits light and is displayed through the light-emitting display area 111.

[0035] Specifically, the light-emitting component 12 is disposed on the rear side of the back plate 11 and is aligned with the light-emitting display area 111. The width of the light-emitting area of ​​the light-emitting component 12 along the left-right direction of the back plate 11 is a2, a2≥a1, and the height of the light-emitting area of ​​the light-emitting component 12 along the up-down direction of the back plate 11 is b2, b2≥b1; the light emitted by the light-emitting area of ​​the light-emitting component 12 is illuminated from the light-emitting display area 111. In this embodiment, if a2 is 690 mm and the height b2 is 130 mm, similarly, a2 can be set to 680 mm and the height b2 is 120 mm. Among them, if a2 and b2 meet the above conditions, the width a2 of the light-emitting area of ​​the light-emitting component 12 along the left-right direction of the back plate 11 and the height b2 of the light-emitting area of ​​the light-emitting component 12 along the up-down direction of the back plate 11 can also be customized according to the actual needs of customers. In this embodiment, the light emitting component 12 is installed on the rear side of the back plate 11 facing the user and aligned with the light emitting display area 111, so that light is emitted from the display area of ​​the back plate 11 in the forward direction. At the same time, the width of the light emitting area of ​​the light emitting component 12 along the left-right direction of the back plate 11 is not less than the width of the light emitting display area 111 along the left-right direction of the back plate 11, and the height of the light emitting area of ​​the light emitting component 12 along the up-down direction of the back plate 11 is not less than the height of the light emitting display area 111 along the up-down direction of the back plate 11, so that the light can fully illuminate the entire light emitting area, avoiding uneven brightness of the light emitted from the light emitting display area 111.

[0036] When the user of the utility model uses the range hood, he turns on the light-emitting component 12, and the light of the light-emitting component 12 can completely illuminate the light-emitting display area 111, so that the light emitted by the light-emitting component 12 is emitted from the display area of ​​the back panel 11, thereby enhancing the brightness of the cooking area for the user when using the range hood, and avoiding the occurrence of excessive oil smoke and insufficient brightness when cooking, which makes it inconvenient for the user to cook.

[0037] Based on the above examples, please refer to Figure 2 , Figure 6 and Figure 7 In other embodiments, the light emitting assembly 12 includes a fixing tape 121, a light strip 122 and a light guide 123. The light strip 122 is placed on the upper edge of the light guide 123, and the fixing tape 121 connects the light strip 122 and the light guide 123. In this embodiment, after the fixing tape 121 connects the light strip 122 and the light guide 123, the light strip 122 is installed on the rear side of the back panel 11 facing the user. After the light strip 122 emits light, the light of the light strip 122 shines on the light guide 123. After the light guide 123 guides the light out, the light is emitted from the display area of ​​the back panel 11, thereby enhancing the brightness when the user uses the range hood.

[0038] Based on the above examples, please refer to Figure 2 , Figure 6 and Figure 7 In other embodiments, the fixing tape 121 is adhered to the rear side of the light guide 123, and its upper end extends upward to the upper edge of the light strip 122, then passes over the upper edge of the light strip 122, bends downward and extends downward to the front side of the light guide 123, and the portion between the lower edge of the portion of the fixing tape 121 located on the front side of the light guide 123 and the lower edge of the light guide 123 forms the light-emitting area of ​​the light-emitting component 12. In this embodiment, the upper edge of the light strip 122 is connected to the range hood body through a portion of the fixing tape 121, and the portion of the fixing tape 121 extending downward from the upper edge of the light strip 122 and located between the back plate 11 and the light guide 123 adheres the light strip 122 and the light guide 123 to the back plate 11. At the same time, the upper edge of the light strip 122 extends downward and the fixing tape 121 located at the portion of the light guide plate 123 facing away from the back plate 11 bonds the light strip 122 and the light guide plate 123 together again, thereby achieving rapid bonding of the light emitting component 12 .

[0039] Based on the above examples, please refer to Figure 2 , Figure 6 and Figure 7In other embodiments, the height of the portion of the fixing tape 121 located at the front side of the light guide 123 along the vertical direction of the back plate 11 is smaller than the height of the portion of the fixing tape 121 located at the rear side of the light guide 123 along the vertical direction of the back plate 11. The height of the portion of the fixing tape 121 located at the front side of the light guide 123 along the vertical direction of the back plate 11 is smaller than the height of the portion of the fixing tape 121 located at the rear side of the light guide 123 along the vertical direction of the back plate 11. The light strip 122 and the light guide 123 are bonded to the back plate 11 by the fixing tape 121 to prevent the fixing tape 121 from blocking the light display area 111. At the same time, the fixing tape 121 also blocks the rear side of the light guide 123 to reduce the light from the rear side of the light guide 123.

[0040] Based on the above examples, please refer to Figure 6 and Figure 7 In some other embodiments, the utility model further includes a back panel bracket 13, the back panel bracket 13 having a first connection surface and a second connection surface, the first connection surface is parallel to the back panel 11, and is connected to the front side of the back panel 11 above the light-emitting display area 111, and the second connection surface is used to connect the range hood. Specifically, the back panel bracket 13 can be made of glass. Through the provision of the back panel bracket 13, the back panel 11 is reinforced and fixed to the range hood through the back panel bracket 13, and the light-emitting component 12 can also be supported by the back panel 11 to prevent the light-emitting component 12 and the back panel 11 from falling off the range hood.

[0041] Based on the above examples, please refer to Figure 1 , Figure 3 and Figure 4 In some other embodiments, the utility model further includes a side panel connecting frame 14 disposed on the left and right sides of the back panel 11, the side panel connecting frame 14 is provided with a slot 141 facing forward, and an extension wall 142 is extended toward the opposite side on the wall surface facing the opposite side on each side of the side panel connecting frame 14, and the extension wall 142 is perpendicular to the wall surface on the side, and the back panel 11 is located between the side panel connecting frames 14 on both sides, and the edges on both sides thereof are connected to the corresponding surfaces of the side panel connecting frames 14 on the corresponding sides, and the extension wall 142 on each side extends toward the opposite side and is connected to the front side of the back panel 11. Among them, the side panel connecting frame 14 can be made of aluminum. Through the provision of the side panel connecting frame 14 and the extension wall 142, when the user installs the range hood, the two sides of the back panel 11 are placed on the extension wall 142, and the back panel 11 is supported by the side panel connecting frame 14, thereby achieving the fixation of the back panel 11.

[0042] Based on the above examples, please refer to Figure 1 , Figure 3 and Figure 4In other embodiments, the distance between the outer edges of the extension walls 142 on both sides is a3, a2≥a1≥a3. For example, a3 is 680 mm or 670 mm. The distance between the outer edges of the extension walls 142 on both sides is set to be smaller than the width of the light-emitting display area 111 along the left-right direction of the back plate 11, and the two sides of the back plate 11 can be placed on the extension walls 142, so that the user can quickly install the range hood.

[0043] See also Figures 1 to 7 The utility model also provides a range hood, comprising a range hood body 2 and a back panel assembly 1 of any of the above embodiments, wherein the second connection surface of the back panel bracket 13 is connected to the rear side of the top panel of the range hood body 2, the second connection surface of the back panel bracket 13 is horizontally arranged, and a first clip 131 is arranged thereon, a first clip slot is arranged on the top panel of the range hood body 2, and the first clip 131 is plugged into the first clip slot to connect the back panel assembly 1 to the range hood body 2. By arranging the first clip 131 on the back panel bracket 13, arranging the first clip slot on the range hood body 2, and plugging the first clip 131 into the first clip slot, the back panel assembly 1 can be more fixedly installed on the range hood body 2, which is convenient for the user to install. At the same time, when the user uses the range hood, the fixation of the range hood body 2 to the back panel assembly 1 is strengthened to prevent the back panel assembly 1 from falling off from the range hood body 2.

[0044] Based on the above examples, please refer to Figures 5 to 7 In other embodiments, the utility model also includes a side baffle assembly 3 arranged on the left and right sides of the range hood body 2, the side baffle assembly 3 includes a side baffle 31 and a side baffle bracket 32, the side baffle bracket 32 ​​is connected to the upper inner side surface of the side baffle 31, and is provided with a second buckle 321, a second card slot is provided on the top plate of the range hood body 2, the left and right sides of the back plate 11 are connected to the side plate connecting frame 14, the side plate connecting frame 14 is provided with a forward-facing slot 141, the second buckle 321 is plugged into the second card slot, and the rear side of the side baffle 31 is inserted into the slot 141, so that the side baffle assembly 3 is connected to the range hood body 2. By arranging the side baffle assembly 3 on the left and right sides of the range hood body 2, when installing the range hood, the second buckle 321 is inserted into the second card slot to realize the installation of the side plate connecting frame 14 of the side baffle assembly 3 on the back plate 11, and then the rear side of the side baffle 31 of the side baffle assembly 3 is inserted into the slot 141 of the side plate connecting frame 14 to realize the installation of the side baffle 31 on the side plate connecting frame 14, thereby realizing the quick and convenient installation of the side baffle assembly 3 on the range hood body 2. When the user uses the range hood, the side baffles 31 on the left and right sides of the back plate 11 block the oil smoke on the stove, prevent the oil smoke on the stove from escaping from the bottom of the range hood, prevent the oil smoke from overflowing during cooking, and thereby reduce the oil smoke in the kitchen.

[0045] Based on the above examples, please refer to Figures 4 to 7 In other embodiments, the utility model further comprises an oil cup 4, an oil discharge hole 21 is provided on the top plate of the range hood body 2, the oil cup 4 is connected to the bottom of the top plate of the range hood body 2 and aligned with the oil discharge hole 21, after the oil cup 4 is connected in place below the top plate of the range hood body 2, the distance from the bottom of the oil cup 4 to the top plate of the range hood body 2 is b3, the distance from the upper edge of the light-emitting area of ​​the light-emitting component 12 to the top plate of the range hood body 2 is b4, the distance from the upper edge of the light-emitting display area 111 to the top plate of the range hood body 2 is b5, and b4≤b3≤b5, b1≤b2 are met. When the user uses the range hood, the oil flows from the oil discharge hole 21 provided on the top plate of the range hood body 2 into the oil cup 4 for collection. At the same time, by setting the distance from the bottom of the oil cup 4 to the top plate of the range hood body 2 to be no greater than the distance from the upper edge of the luminous display area 111 to the top plate of the range hood body 2, it is achieved that the oil cup 4 will not block the luminous display area 111; the distance from the upper edge of the luminous area of ​​the light-emitting component 12 to the top plate of the range hood body 2 is set to be no greater than the distance from the upper edge of the luminous display area 111 to the top plate of the range hood body 2, so that the fixing tape 121 will not block the luminous area; the distance from the upper edge of the luminous area of ​​the light-emitting component 12 to the top plate of the range hood body 2 is set to be no greater than the distance from the bottom of the oil cup 4 to the top plate of the range hood body 2, so that the light can be seen starting from the bottom of the oil cup 4.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A back plate assembly (1) for a range hood, characterized in that: include: A back plate (11) having a light-emitting display area (111) disposed thereon, wherein the light-emitting display area (111) has a width a1 along the left-right direction of the back plate (11) and a height b1 along the top-bottom direction of the back plate (11); A light-emitting component (12) is arranged on the rear side of the back plate (11) and aligned with the light-emitting display area (111); the width of the light-emitting area of ​​the light-emitting component (12) along the left-right direction of the back plate (11) is a2, a2≥a1; the height of the light-emitting area of ​​the light-emitting component (12) along the up-down direction of the back plate (11) is b2, b2≥b1; and the light emitted by the light-emitting area of ​​the light-emitting component (12) is emitted from the light-emitting display area (111).

2. The back plate assembly (1) according to claim 1, characterized in that: The light-emitting component (12) comprises a fixing tape (121), a light-emitting light strip (122) and a light guide plate (123); the light-emitting light strip (122) is placed on the upper edge of the light guide plate (123); and the fixing tape (121) connects the light-emitting light strip (122) and the light guide plate (123) together.

3. The back plate assembly (1) according to claim 2, characterized in that: The fixing tape (121) is adhered to the rear side of the light guide (123), and its upper end extends upward to the upper edge of the light strip (122), then passes over the upper edge of the light strip (122), bends downward, and extends downward to the front side of the light guide (123). The portion between the lower edge of the portion of the fixing tape (121) located on the front side of the light guide (123) and the lower edge of the light guide (123) forms a light-emitting area of ​​the light-emitting component (12).

4. The back plate assembly (1) according to claim 3, characterized in that: The height of the portion of the fixing tape (121) located on the front side of the light guide plate (123) along the up-down direction of the back plate (11) is smaller than the height of the portion of the fixing tape (121) located on the rear side of the light guide plate (123) along the up-down direction of the back plate (11).

5. The back plate assembly (1) according to claim 1, characterized in that: It also includes a back panel bracket (13), the back panel bracket (13) having a first connecting surface and a second connecting surface, the first connecting surface is parallel to the back panel (11), and is connected to a portion of the front side of the back panel (11) located above the luminous display area (111), and the second connecting surface is used for connecting to the range hood.

6. The back plate assembly (1) according to claim 1, characterized in that: It also includes side panel connecting frames (14) arranged on the left and right sides of the back panel (11), the side panel connecting frames (14) are provided with a forward-facing slot (141), and the side panel connecting frames (14) on each side have an extension wall (142) extending toward the opposite side on the wall surface facing the opposite side, and the extension wall (142) is perpendicular to the wall surface on the side, and the back panel (11) is located between the side panel connecting frames (14) on both sides, and the edges on both sides are connected to the corresponding surfaces of the side panel connecting frames (14) on the corresponding side, and the extension wall (142) on each side extends toward the opposite side and is connected to the front side of the back panel (11).

7. The back plate assembly (1) according to claim 6, characterized in that: The distance between the outer edges of the extension walls (142) on both sides is a3, and a2≥a1≥a3.

8. A range hood, using the back plate assembly (1) according to any one of claims 1 to 7, characterized in that: The invention comprises a range hood body (2), wherein the second connection surface of the back panel bracket (13) is connected to the rear side of the top panel of the range hood body (2), the second connection surface of the back panel bracket (13) is arranged horizontally, and a first clip (131) is arranged on it, and a first clip groove is arranged on the top panel of the range hood body (2), and the first clip (131) is plugged into the first clip groove to connect the back panel assembly (1) to the range hood body (2).

9. The range hood according to claim 8, characterized in that: The invention also comprises a side baffle assembly (3) arranged on the left and right sides of the range hood body (2), the side baffle assembly (3) comprising a side baffle (31) and a side baffle bracket (32), the side baffle bracket (32) being connected to the upper inner side surface of the side baffle (31) and being provided with a second clip (321), a second clip slot being provided on the top plate of the range hood body (2), a side plate connecting frame (14) being connected to the left and right sides of the back plate (11), a forward-facing slot (141) being provided on the side plate connecting frame (14), the second clip (321) being plugged into the second slot, and the rear side of the side baffle (31) being inserted into the slot (141) so that the side baffle assembly (3) is connected to the range hood body (2).

10. The range hood according to claim 8, characterized in that: It also includes an oil cup (4), the top plate of the range hood body (2) is provided with an oil discharge hole (21), the oil cup (4) is connected to the bottom of the top plate of the range hood body (2) and is aligned with the oil discharge hole (21), after the oil cup (4) is connected in place below the top plate of the range hood body (2), the distance from the bottom of the oil cup (4) to the top plate of the range hood body (2) is b3, the distance from the upper edge of the light-emitting area of ​​the light-emitting component (12) to the top plate of the range hood body (2) is b4, the distance from the upper edge of the light-emitting display area (111) to the top plate of the range hood body (2) is b5, and b4≤b3≤b5, b1≤b2.