Exhaust structure and range hood

Abstract

The utility model discloses an exhaust structure. The exhaust structure comprises an air duct cover, a motor shell, a motor main body and a wind wheel, the motor shell is provided with a mounting cavity and a rotating shaft penetrating hole communicating with the mounting cavity, and the motor shell is connected to the air duct cover and is of an integrally-formed structure with the air duct cover. The motor body comprises a stator and a rotor, the stator and the rotor are located in the mounting cavity of the motor shell, the rotor comprises a rotor body and a rotor shaft, and the rotor shaft penetrates through the rotating shaft penetrating hole; the wind wheel is connected with the rotor shaft. During assembly, the stator and the rotor can be directly arranged in the motor shell, the rotor shaft extends out of the motor shell through the rotating shaft penetrating hole, and then the wind wheel is connected with the rotor shaft, so that the assembly process is completed, the motor shell and the air duct cover are made into an integrated piece, and the motor shell and the air duct cover do not need to be assembled, so that one assembly process is reduced, and the assembly efficiency is improved. Therefore, the production cost is reduced and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of exhaust structures, in particular to an exhaust structure and a range hood. Background Art

[0002] The existing range hoods exhaust the smoke inside the range hood to the outside through an exhaust structure. The exhaust structure includes an air duct cover, a motor and a wind wheel. The air duct cover is provided with a mounting slot for accommodating the motor. The motor is composed of a motor housing, a stator and a rotor. The rotor of the motor is connected to the wind wheel. During assembly, the stator and the rotor are first assembled into the motor housing, and then the motor housing is assembled into the accommodating cavity of the air duct cover, and then the wind wheel is connected to the rotor. However, the above technical solution has relatively more assembly steps for assembling the motor housing, the stator and the rotor into the motor, and then assembling the motor into the air duct cover, so the production cost is relatively high and the production efficiency is not high enough. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes an exhaust structure that can reduce assembly procedures, reduce production costs and improve production efficiency.

[0004] The utility model also provides a range hood with the above exhaust structure.

[0005] According to the exhaust structure of the first embodiment of the utility model, it includes an air duct cover, a motor housing, a motor body and a wind wheel. The motor housing is provided with an installation cavity and a rotating shaft through hole connected to the installation cavity, the motor housing is connected to the air duct cover and is an integrally formed structure with the air duct cover; the motor body includes a stator and a rotor, the stator and the rotor are located in the installation cavity of the motor housing, the rotor includes a rotor body and a rotor shaft, the rotor shaft is passed through the rotating shaft through hole; the wind wheel is connected to the rotor shaft.

[0006] According to the exhaust structure of the embodiment of the first aspect of the utility model, at least the following beneficial effects are achieved: during assembly, the stator and the rotor can be directly installed into the motor casing, the rotor shaft extends out of the motor casing through the hole of the rotating shaft, and then the wind wheel is connected to the rotor shaft to complete the assembly process; since the motor casing and the air duct cover are made into an integral part, there is no need to assemble the motor casing with the air duct cover, thereby reducing one assembly process, thereby reducing production costs and improving production efficiency.

[0007] According to some embodiments of the utility model, a back cover is further included, the motor housing is provided with a mounting opening communicated with the mounting cavity, and the back cover is disposed on the motor housing and covers the mounting opening.

[0008] According to some embodiments of the present invention, the back cover is detachably connected to the motor housing.

[0009] According to some embodiments of the present invention, the back cover is provided with a snap-fitting portion, and the motor housing is provided with a snap-fitting portion, and the snap-fitting portion is snap-fitted with the snap-fitting portion.

[0010] According to some embodiments of the utility model, it also includes a cover line, the back cover is located on the outside of the air duct cover, the outside of the air duct cover is provided with an electric control installation groove and a wire groove, the wire groove connects the installation cavity and the electric control installation groove, and the cover line is provided on the air duct cover and covers the notch of the wire groove.

[0011] According to some embodiments of the present invention, the cover line and the back cover are an integrally formed structure.

[0012] According to some embodiments of the present invention, an electric control cover is further included, wherein the electric control cover is used to cover the notch of the electric control installation slot, and the electric control cover presses and fixes one end of the cover line away from the installation cavity.

[0013] According to some embodiments of the present invention, one end of the cover line away from the installation cavity extends beyond the end of the wire groove along the extension direction and extends into the electric control installation groove.

[0014] According to some embodiments of the utility model, the air duct cover is provided with a breathable mesh portion, and the outer periphery of the motor housing is connected to the breathable mesh portion.

[0015] The exhaust structure according to the embodiment of the second aspect of the utility model includes the above-mentioned exhaust structure.

[0016] The exhaust structure according to the embodiment of the second aspect of the utility model has at least the following beneficial effects: due to the adoption of the above-mentioned exhaust structure, the assembly process of the range hood is simplified, the production effect is improved, and the assembly cost is reduced.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 A three-dimensional schematic diagram of the exhaust structure of an embodiment of the utility model;

[0020] Figure 2 It is an exploded schematic diagram of the exhaust mechanism of an embodiment of the utility model;

[0021] Figure 3It is an exploded schematic diagram of the exhaust mechanism of the embodiment of the utility model.

[0022] Reference numerals:

[0023] Air duct cover 100, electric control installation slot 110, wire slot 120, air permeable mesh 130;

[0024] Motor housing 200, mounting cavity 210;

[0025] Motor body 300, stator 310, rotor 320;

[0026] Wind wheel 400;

[0027] Back cover 500;

[0028] Cover line 600;

[0029] Electric control cover 700;

[0030] Electronic control module 800. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0035] The existing range hoods exhaust the smoke inside the range hood to the outside through an exhaust structure. The exhaust structure includes an air duct cover, a motor and a wind wheel. The air duct cover is provided with a mounting slot for accommodating the motor. The motor is composed of a motor housing, a stator and a rotor. The rotor of the motor is connected to the wind wheel. During assembly, the stator and the rotor are first assembled into the motor housing, and then the motor housing is assembled into the accommodating cavity of the air duct cover, and then the wind wheel is connected to the rotor. However, the above technical solution has relatively more assembly steps for assembling the motor housing, the stator and the rotor into the motor, and then assembling the motor into the air duct cover, so the production cost is relatively high and the production efficiency is not high enough.

[0036] There is also a kind of range hood, whose exhaust structure includes an air duct cover, a stator and a rotor, wherein the stator is connected to the air duct cover, the rotor is rotatably connected to the air duct cover, and one end of the rotor is connected to the wind wheel through the rotor shaft. However, in this exhaust structure, there is no motor housing to protect the outside of the stator and the rotor, so that oil smoke and dust are very easy to adhere to the outer surface of the stator and the rotor, which is easy to affect the performance or cause damage.

[0037] Reference Figures 1 to 3 , is an exhaust structure of an embodiment of the utility model, comprising an air duct cover 100, a motor housing 200, a motor body 300 and a wind wheel 400. The motor housing 200 is provided with an installation cavity 210 and a rotating shaft through hole communicating with the installation cavity 210, the motor housing 200 is connected to the air duct cover 100 and is an integrally formed structure with the air duct cover 100; the motor body 300 comprises a stator 310 and a rotor 320, the stator 310 and the rotor 320 are located in the installation cavity 210 of the motor housing 200, the rotor 320 comprises a rotor body and a rotor shaft, the rotor shaft is through the rotating shaft through hole; the wind wheel 400 is connected to the rotor shaft.

[0038] During assembly, the stator 310 and the rotor 320 can be directly installed into the motor housing 200, and the rotor shaft extends out of the motor housing 200 through the shaft through-hole, and then the wind wheel 400 is connected to the rotor shaft, and the assembly process is completed. Since the motor housing 200 and the air duct cover 100 are made into an integral part, there is no need to assemble the motor housing 200 with the air duct cover 100, thereby reducing one assembly process, thereby reducing production costs and improving production efficiency.

[0039] Specifically, the rotor 320 is rotatably connected to the motor housing 200 via a bearing, thereby reducing friction between the rotor 320 and the motor housing 200 .

[0040] In the embodiment, the exhaust structure further includes a back cover 500, and the motor housing 200 is provided with an installation opening communicating with the installation cavity 210, and the back cover 500 is provided on the motor housing 200 and covers the installation opening. After the stator 310 and the rotor 320 are installed into the installation cavity 210 of the motor housing 200 through the installation opening, the rotor body is located in the installation cavity 210 of the motor housing 200, and the rotor shaft extends out of the motor housing 200 from the rotating shaft through hole and is connected to the wind wheel 400. The back cover 500 closes the installation cavity 210, seals and protects the stator 310 and the rotor 320, and prevents external oil smoke and dust from entering between the stator 310 and the rotor 320 to affect the performance of the motor body 300.

[0041] In the embodiment, the back cover 500 is detachably connected to the motor housing 200. When the motor body 300 fails, the stator 310 and the rotor 320 in the motor housing 200 can be replaced and repaired after the back cover 500 is removed. The structure is simple and easy to implement.

[0042] In an embodiment, the back cover 500 is provided with a snap-fitting portion, and the motor housing 200 is provided with a snap-fitting portion, and the snap-fitting portion is snap-fitted with the snap-fitting portion. The assembly connection of the back cover 500 and the motor housing 200 is achieved through snap-fitting, and the assembly efficiency of the two is high, the structure is simple, and it is easy to implement. Specifically, the snap-fitting portion is a slot, and the snap-fitting portion is a hook, and the hook cooperates with the slot to achieve the snap-fitting of the two. It is conceivable that the snap-fitting portion can also be a hook, and the snap-fitting portion can be a slot, so as to achieve the snap-fitting of the back cover 500 and the motor housing 200.

[0043] It is conceivable that the back cover 500 can also be detachably connected to the motor housing 200 through other structures. For example, the back cover 500 is provided with a through hole, the motor housing 200 is provided with a threaded hole, a screw is passed through the through hole, the screw is threadedly connected to the threaded hole, and the two are detachably connected by screw locking; or a threaded hole is directly provided in the motor housing 200, and a stud portion is provided on the back cover 500, and the stud portion is threadedly connected to the threaded hole, so that the back cover 500 is detachably connected to the motor housing 200.

[0044] It is conceivable that the back cover 500 may be fixedly connected to the motor housing 200 by gluing, and those skilled in the art may make specific configurations according to actual needs.

[0045] In the embodiment, a cover line 600 is further included, the back cover 500 is located on the outside of the air duct cover 100, the outside of the air duct cover 100 is provided with an electric control installation slot 110 and a wire groove 120, the wire groove 120 communicates with the installation cavity 210 and the electric control installation slot 110, and the cover line 600 is provided on the air duct cover 100 and covers the notch of the wire groove 120. Since the exhaust structure is provided in the range hood, the motor body 300 and the electric control module 800 are electrically connected through wires, and the exposed wires are easily contaminated with oil, therefore, the wire groove 120 and the cover line 600 are provided, the wire groove 120 can be embedded with the wire, and the cover line 600 can be used to hide the wire, thereby preventing the wire from being contaminated with oil, and when the range hood is repaired, the wire is not easily directly touched and rubbed, reducing the risk of wire damage.

[0046] Specifically, the electric control module 800 is installed in the electric control installation slot 110 . The electric control module 800 may be a structure such as a circuit board, and those skilled in the art may configure it specifically according to actual needs.

[0047] In the embodiment, the cover line 600 and the back cover 500 are integrally formed, so that the cover line 600 can be installed and fixed at the same time when the back cover 500 is installed, further simplifying the installation process of the back cover 500 and the cover line 600. It can be understood that in some embodiments, the cover line 600 can also be a separate part from the back cover 500.

[0048] In the embodiment, an electric control cover 700 is further included, and the electric control cover 700 is used to cover the notch of the electric control installation slot 110, and the electric control cover 700 presses and fixes the end of the cover line 600 away from the installation cavity 210. The electric control cover 700 presses and fixes the end of the cover line 600 away from the installation cavity 210. Since the end of the cover line 600 close to the installation cavity 210 is an integral part with the back cover 500, the electric control cover 700 can prevent the cover line 600 from tilting, so that the cover line 600 covers the wire groove 120 more tightly, reducing the risk of oil smoke entering the wire groove 120.

[0049] In the embodiment, the end of the cover line 600 away from the installation cavity 210 extends beyond the end of the wire groove 120 along the extension direction and extends into the electric control installation groove 110, so that the electric control cover 700 can press and fix the end of the cover line 600 away from the installation cavity 210.

[0050] Specifically, the cross section of the cover line 600 is U-shaped, so that the wires can be positioned when the cover line 600 covers the wire trough 120. When the cover line 600 covers the wire trough 120, the cover line 600 is embedded in the wire trough 120, so that the cover line 600 does not appear to be protruding, so that the appearance of the air duct cover 100 and the back cover 500 is relatively flat when assembled.

[0051] In the embodiment, the air duct cover 100 is provided with an air permeable mesh 130, and the outer periphery of the motor housing 200 is connected to the air permeable mesh 130. The air permeable mesh 130 is provided to facilitate the rotor 320 to drive the wind wheel 400 to rotate, so that the air outside the air duct cover 100 can be drawn into the air duct cover 100 and finally discharged to a designated position. The air permeable mesh 130 has the functions of ventilation and connecting and fixing the motor housing 200.

[0052] Specifically, the air duct cover 100 is made of plastic material, which facilitates the integral molding of the air duct cover 100 and the motor housing 200, and is relatively easy to process. It is conceivable that the air duct cover 100 can also be made of metal material, such as stamping of metal plate, and those skilled in the art can configure it according to actual needs.

[0053] Specifically, the back cover 500 is also made of plastic, which is convenient for processing.

[0054] The utility model also discloses a range hood, which adopts the exhaust structure. The exhaust structure simplifies the assembly process of the range hood, improves the production effect, and reduces the assembly cost.

[0055] Specifically, the wind wheel 400 is a centrifugal wind wheel 400, and the air permeable mesh 130 is opposite to one side of the wind wheel 400. When the wind wheel 400 rotates, air can be sucked into the air duct cover 100 through the air permeable mesh 130, and discharged to a designated position through the wind wheel 400 under pressure.

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0057] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An exhaust structure, characterized in that: include: Air duct cover (100); The motor housing (200) is provided with a mounting cavity (210) and a rotating shaft through hole communicating with the mounting cavity (210); the motor housing (200) is connected to the air duct cover (100) and is an integrally formed structure with the air duct cover (100); A motor body (300) comprises a stator (310) and a rotor (320), wherein the stator (310) and the rotor (320) are located in the mounting cavity (210) of the motor housing (200), and the rotor (320) comprises a rotor body and a rotor shaft, wherein the rotor shaft is passed through the rotating shaft passing hole; A wind wheel (400) is connected to the rotor shaft.

2. The exhaust structure according to claim 1, characterized in that: It also includes a back cover (500), the motor housing (200) is provided with a mounting opening communicating with the mounting cavity (210), and the back cover (500) is arranged on the motor housing (200) and covers the mounting opening.

3. The exhaust structure according to claim 2, characterized in that: The back cover (500) is detachably connected to the motor housing (200).

4. The exhaust structure according to claim 3, characterized in that: The back cover (500) is provided with a snap-fitting portion, and the motor housing (200) is provided with a snap-fitting fitting portion, and the snap-fitting portion is snap-fitted with the snap-fitting fitting portion.

5. The exhaust structure according to claim 2, characterized in that: It also includes a cover line (600), the back cover (500) is located on the outside of the air duct cover (100), the outside of the air duct cover (100) is provided with an electric control installation groove (110) and a wire groove (120), the wire groove (120) connects the installation cavity (210) and the electric control installation groove (110), and the cover line (600) is provided on the air duct cover (100) and covers the notch of the wire groove (120).

6. The exhaust structure according to claim 5, characterized in that: The cover line (600) and the back cover (500) are an integrally formed structure.

7. The exhaust structure according to claim 6, characterized in that: It also includes an electric control cover (700), which is used to cover the notch of the electric control installation slot (110), and the electric control cover (700) presses and fixes one end of the cover line (600) away from the installation cavity (210).

8. The exhaust structure according to claim 7, characterized in that: One end of the cover line (600) away from the installation cavity (210) extends beyond the end of the wire passing groove (120) along the extension direction and extends into the electric control installation groove (110).

9. The exhaust structure according to claim 8, characterized in that: The air duct cover (100) is provided with a breathable mesh portion (130), and the outer periphery of the motor housing (200) is connected to the breathable mesh portion (130).

10. A range hood, characterized in that: It comprises the exhaust structure as described in any one of claims 1 to 9.

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