Wiring installation structure for air conditioner and air conditioner indoor unit

Abstract

The utility model provides a wiring installation structure for an air conditioner and an indoor unit of the air conditioner. The wiring installation structure comprises a connecting part, two side supporting parts, at least one middle supporting part and at least one stopping part. The two side supporting parts are connected to the connecting part and located on the same side of the connecting part. And the two side supporting parts are arranged at intervals. The middle supporting part is connected to the connecting part and arranged between the two side supporting parts, so that at least two threading intervals with openings deviating from the connecting part are defined between the two side supporting parts. And each stop part is arranged at one end, far away from the connecting part, of the corresponding middle supporting part, and the two sides of each stop part are located on the two sides of the corresponding middle supporting part so as to shield the opening part of the corresponding threading interval. According to the wiring installation structure, the disassembly and assembly process of the electric wire is simple, the manual disassembly and assembly time is shortened, and then the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to a wiring installation structure for an air conditioner and an indoor unit of the air conditioner. Background Art

[0002] With the improvement of living standards, air conditioners have been widely used in family life. The air conditioner includes an indoor unit installed indoors. In order to ensure indoor cleanliness and electrical safety, the wires of the indoor unit are mostly fixed with wire clips.

[0003] However, the disassembly and assembly process of the air conditioner indoor unit using wire clamps to fix the wires is complicated, and the manual disassembly and assembly time is long, which affects the user experience. Utility Model Content

[0004] In view of the above-mentioned problems, the present utility model is proposed to provide a wiring installation structure for an air conditioner and an air conditioner indoor unit that overcomes the above-mentioned problems or at least partially solves the above-mentioned problems, so as to solve the problems of complicated disassembly and assembly process of wires on the air conditioner and long manual disassembly and assembly time, thereby achieving the purpose of improving user experience.

[0005] Specifically, the utility model provides a wiring installation structure for an air conditioner, comprising a connecting portion, two side supporting portions, at least one middle supporting portion and at least one stopping portion.

[0006] The two side support parts are connected to the connecting part and are located at the same side of the connecting part. The two side support parts are arranged at intervals.

[0007] The middle supporting portion is connected to the connecting portion and is disposed between the two side supporting portions so as to define at least two threading intervals between the two side supporting portions, the openings of which are away from the connecting portion.

[0008] Each of the stop portions is disposed at one end of the intermediate support portion away from the connecting portion, and both sides of each of the stop portions are located at both sides of the corresponding intermediate support portion to cover the corresponding opening portion of the threading interval.

[0009] Optionally, a protrusion extending toward the other side support portion is provided at one end of each side support portion away from the connecting portion to cover a portion of the opening of the corresponding threading interval, and the protrusion is spaced apart from the stop portion adjacent thereto.

[0010] Optionally, the wiring installation structure is formed on a plate by a punching process, or the wiring installation structure is formed by an injection molding process.

[0011] Optionally, both ends of each stopper are provided with chamfers, so that the connecting opening defined for entering the threading interval has a structure that is larger outside and smaller inside.

[0012] Optionally, the connecting portion, the two side supporting portions, at least one middle supporting portion and at least one stopping portion are on the same plate.

[0013] Optionally, the number of the intermediate support portion is one, so that the threading interval is two. Or,

[0014] The number of the intermediate supporting parts is two, so that the threading interval is three.

[0015] The utility model also provides an indoor unit of an air conditioner, comprising a mounting bracket and the above-mentioned wiring installation structure, wherein the wiring installation structure is arranged on the mounting bracket.

[0016] Optionally, the mounting bracket includes a plate-shaped region, and the connecting portion, the two side support portions, the at least one middle support portion and the at least one stop portion are obtained by processing the plate-shaped region.

[0017] The mounting bracket includes a plate-shaped area, the connecting portion and / or the two side supporting portions are connected to the plate-shaped area, and the connecting portion, the two side supporting portions, at least one intermediate supporting portion, at least one stop portion, and the plate-shaped area are on the same plate. Or,

[0018] The mounting bracket includes a plate-shaped area, and the wiring installation structure is a part of the mounting bracket and is located at the plate-shaped area.

[0019] Optionally, the indoor unit of the air conditioner further includes a cross-flow fan, which includes a wind wheel and a motor for driving the wind wheel to rotate, and one end of the wind wheel is connected to an output shaft of the motor.

[0020] The mounting bracket is used to mount the wind wheel and / or the motor. The wiring mounting structure is arranged adjacent to the motor.

[0021] Optionally, the mounting bracket further comprises an end baffle and a peripheral baffle, wherein the peripheral baffle extends from a portion of the edge of the end baffle and is used to define the installation space of the motor from the peripheral side of the motor. The plate-shaped area is connected to an edge of the peripheral baffle, and the opening of the threading space faces the side away from the wind wheel.

[0022] In the wiring installation structure of the utility model, when installing the wire on the wiring installation structure, the wire is installed in one of the threading intervals from one side, and installed in another threading interval around the middle support part, and the wire is pulled from both ends of the wire to make the wire contact with the middle support part, so that there is friction between the wire and the two side support parts and the middle support part, and the wire is fixed on the wiring installation structure by the friction force. In addition, a stopper is also provided on the middle support part, and the stopper is arranged in a direction perpendicular to the middle support part to further prevent the wire from falling off from the opening of the threading interval when the wire is wound around the wiring installation structure.

[0023] When removing the wires, it is only necessary to push the wire portion outside the wiring installation structure toward the direction of the threading interval, so that the length of the wire between the two threading intervals is increased, the contact between the wire and the middle support portion is reduced, and the friction between the wire and the middle support portion is reduced. In addition, the length of the wire between the two threading intervals is increased, and the wire between the two threading intervals can be directly removed from the opening of the threading interval, so that the wire is removed from the wiring installation structure. The wiring installation structure of the utility model simplifies the disassembly and assembly process of the wires, reduces the manual disassembly and assembly time, and thus improves the user experience.

[0024] Based on the detailed description of the specific embodiments of the present invention in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other purposes, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0026] Figure 1 is a schematic structural diagram of a mounting bracket of an indoor unit of an air conditioner according to an embodiment of the utility model;

[0027] Figure 2 yes Figure 1 A schematic enlarged view of the middle A;

[0028] Figure 3 is a schematic structural diagram of a wiring installation structure according to an embodiment of the utility model;

[0029] Figure 4 is a schematic structural diagram of a wiring installation structure according to an embodiment of the utility model;

[0030] Figure 5 is a schematic structural diagram of a wiring installation structure according to an embodiment of the utility model;

[0031] Figure 6 is a schematic structural diagram of a mounting bracket of an indoor unit of an air conditioner according to an embodiment of the utility model;

[0032] Figure 7 It is a schematic structural diagram of an air conditioner indoor unit according to an embodiment of the utility model.

[0033] List of reference numerals: 100, wiring installation structure; 110, connecting part; 120, side support part; 121, protrusion; 130, intermediate support part; 131, stop part; 140, threading interval; 200, mounting bracket; 210, plate-shaped area; 220, end baffle; 230, peripheral baffle; 240, installation space; 300, crossflow fan; 310, wind wheel; 500, electric wire. DETAILED DESCRIPTION

[0034] Refer to the following Figures 1 to 7 To describe the wiring installation structure for air conditioners and air conditioner indoor units of the embodiments of the present utility model. In the description of this embodiment, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features, that is, include one or more of the features. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. When a feature "includes or contains" one or some of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and other features may be further included.

[0035] Unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix", "couple" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. A person of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present utility model according to the specific circumstances.

[0036] In addition, in the description of this embodiment, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. That is, in the description of this embodiment, the first feature being "above", "above", and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below", or "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] In the description of the present embodiment, 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 may be combined in any one or more embodiments or examples in a suitable manner.

[0038] Figure 1 is a schematic structural diagram of a wiring installation structure according to an embodiment of the utility model, such as Figure 1 As shown, and refer to Figures 2 to 7 The embodiment of the utility model provides a wiring installation structure for an air conditioner. The wiring installation structure 100 includes a connecting portion 110, two side support portions 120, at least one intermediate support portion 130 and at least one stop portion 131. The two side support portions 120 are connected to the connecting portion 110 and are located on the same side of the connecting portion 110. The two side support portions 120 are arranged at intervals. The intermediate support portion 130 is connected to the connecting portion 110 and is arranged between the two side support portions 120 to define at least two threading intervals 140 with openings facing away from the connecting portion 110 between the two side support portions 120. Each stop portion 131 is arranged at one end of an intermediate support portion 130 away from the connecting portion 110, and the two sides of each stop portion 131 are located on the two sides of the corresponding intermediate support portion 130 to cover the opening part of the corresponding threading interval 140.

[0039] In this embodiment, the two side supports and the middle support portion 130 are connected to the indoor unit of the air conditioner through the connection portion 110, and are located on the same side of the connection portion 110. The interval between adjacent side supports 120 and middle supports 130 is a threading interval 140, and when there are multiple middle supports 130, the interval between two adjacent middle supports 130 is also a threading interval 140.

[0040] Taking the middle support portion 130 as an example, Figure 3 and Figure 4 As shown, when installing the wire 500 on the wiring installation structure 100, the wire 500 is installed in one of the wire threading intervals 140 from one side, and is installed in another wire threading interval 140 around the middle support portion 130, and the wire 500 is pulled from both ends of the wire 500 to make the wire 500 contact with the middle support portion 130, so that there is friction between the wire 500 and the two side support portions 120 and the middle support portion 130, and the wire 500 is fixed on the wiring installation structure 100 by the friction. At this time, the insertion end and the exit end of the wire 500 are located on the same side of the wiring installation structure 100.

[0041] Furthermore, since the wire 500 on the indoor unit of the air conditioner has a certain hardness, the wire 500 has a tendency to return to the original straight state when it is arranged around the threading interval 140, and the two side support parts 120 and the middle support part 130 will be subjected to the pressure given by the wire 500, further increasing the friction between the wire 500 and the two side support parts 120 and the middle support part 130, thereby making the wire 500 fixed to the wiring installation structure 100 and not easy to fall off. In addition, a stopper 131 is also provided on the middle support part 130, and the stopper 131 is arranged in a direction perpendicular to the middle support part 130, so as to further prevent the wire 500 from falling off from the opening of the threading interval 140 when the wire 500 is arranged around the wiring installation structure 100.

[0042] like Figure 5 As shown, when removing the wire 500, only the part of the wire 500 outside the wiring installation structure 100 needs to be pushed in the direction of inserting into the threading interval 140, so that the length of the wire 500 between the two threading intervals 140 is increased, the contact between the wire 500 and the middle support portion 130 is reduced, and the friction between the wire 500 and the middle support portion 130 is reduced. In addition, the length of the wire 500 between the two threading intervals 140 is increased, and the wire 500 between the two threading intervals 140 can be directly removed from the opening of the threading interval 140, so that the wire 500 is removed from the wiring installation structure 100. The wiring installation structure 100 of the utility model simplifies the disassembly and assembly process of the wire 500, reduces the manual disassembly and assembly time, and thus improves the user experience.

[0043] In some embodiments of the wiring installation structure of the present utility model, such as Figure 6 As shown, one end of each side support portion 120 away from the connecting portion 110 is provided with a protrusion 121 extending toward the other side support portion 120 to cover the opening portion of the corresponding threading spacer 140, and the protrusion 121 is spaced apart from the stopper 131 adjacent thereto.

[0044] In this embodiment, the protrusion 121 is spaced apart from the stopper 131 adjacent thereto to form an opening. The wire 500 is installed in the threading interval 140 from the opening of the threading interval 140 so that the wire 500 is fixed to the wiring installation structure 100. The stopper 131 reduces the possibility of the wire 500 falling off from the opening of the threading interval 140, thereby improving the installation stability of the wire 500.

[0045] In some embodiments of the wiring installation structure of the present invention, the wiring installation structure 100 is formed on a plate by a punching process.

[0046] In this embodiment, the punching process has a high processing speed, which improves the production efficiency of the mounting structure and further reduces the production cost.

[0047] Alternatively, the wiring installation structure 100 is formed by an injection molding process.

[0048] In this embodiment, the injection molding process improves the molding quality of the wiring installation structure 100, so that the surface of the wiring installation structure 100 is smooth, thereby improving the user experience.

[0049] In some embodiments of the wiring installation structure of the present utility model, such as Figure 2 As shown, both ends of each stopper 131 are provided with chamfers, so that the communication port defined to enter the threading space 140 is in a structure of being larger outside and smaller inside.

[0050] In this embodiment, the chamfer is provided on the stopper 131 so that the opening size of the end of the connecting port of the threading space 140 away from the inside of the threading space 140 is larger than the end close to the inside of the threading space 140, so that the connecting port plays a guiding role in the insertion of the wire 500 into the threading space 140, so that the wire 500 is easily inserted into the threading space 140 from the connecting port. In addition, the opening size of the end of the connecting port close to the inside of the threading space 140 is small, which reduces the situation that the wire 500 falls off from the opening of the threading space 140, and improves the installation stability of the wire 500.

[0051] In some embodiments of the wiring installation structure of the present utility model, such as Figure 2 As shown, the connecting portion 110 , two side supporting portions 120 , at least one middle supporting portion 130 and at least one stopping portion 131 are located on the same plate.

[0052] In this embodiment, the connecting portion 110, the two side support portions 120, at least one intermediate support portion 130 and at least one stop portion 131 can be an integrally formed structure and are on the same plane to reduce the manufacturing difficulty and also reduce the space occupied by the wiring installation structure 100 of the air conditioner, providing more sufficient space for other components to simplify the installation of other components.

[0053] In some embodiments of the wiring installation structure of the present invention, the number of the intermediate support portion 130 is one, so that the number of the threading intervals 140 is two.

[0054] In this embodiment, the electric wire 500 is installed in one of the threading intervals 140 from one side, and is installed in the other threading interval 140 around the intermediate support portion 130, and the electric wire 500 is pulled from both ends of the electric wire 500 to make the electric wire 500 contact with the intermediate support portion 130, so that the electric wire 500 is fixed on the wiring installation structure 100. The insertion end and the exit end of the electric wire 500 are located on the same side of the wiring installation structure 100. By having the wiring installation structure 100 with two threading intervals 140, the two ends of the electric wire 500 are located on the same side of the wiring installation structure 100, and the wiring direction of the electric wire 500 can be changed. In addition, only one intermediate support portion 130 is provided to fix the electric wire 500, which simplifies the structure of the wiring installation structure 100 and reduces the production cost of the wiring installation structure 100.

[0055] Alternatively, in some other embodiments of the wiring installation structure 100 of the present invention, the number of the intermediate support parts 130 is two, so that the number of the threading intervals 140 is three.

[0056] In this embodiment, the wire 500 is inserted into one threading space 140, then goes around the middle support portion 130 and is inserted into the adjacent threading space 140, and then goes around another middle support portion 130 and is inserted into the last threading space 140. By having the wiring installation structure 100 with three threading spaces 140, the two ends of the wire 500 are located on both sides of the wiring installation structure 100, and the wiring direction of the wire 500 does not need to be changed.

[0057] Furthermore, the number of threading intervals 140 may be selected according to the structure of a specific air conditioner indoor unit to adapt to the arrangement of the corresponding air conditioner indoor unit.

[0058] The utility model also provides an air conditioner indoor unit. In some embodiments of the air conditioner indoor unit of the utility model, such as Figure 7 As shown, the indoor unit of the air conditioner includes a mounting bracket 200 and a wiring installation structure 100 in any one of the above embodiments, and the wiring installation structure 100 is arranged on the mounting bracket 200 .

[0059] In this embodiment, the wire 500 is installed on the mounting bracket 200 of the indoor unit of the air conditioner through the wiring installation structure 100. When installing the wire 500 on the wiring installation structure 100, the wire 500 is installed in one of the threading intervals 140 from one side, and is installed in another threading interval 140 around the middle support portion 130, and the wire 500 is pulled from both ends of the wire 500 to make the wire 500 contact with the middle support portion 130, so that there is friction between the wire 500 and the two side support portions 120 and the middle support portion 130, and the wire 500 is fixed on the wiring installation structure 100 by the friction.

[0060] When removing the wire 500, it is only necessary to push the wire 500 portion outside the wiring installation structure 100 toward the direction of inserting into the threading interval 140, so that the length of the wire 500 between the two threading intervals 140 is increased, the contact between the wire 500 and the middle support portion 130 is reduced, and the friction between the wire 500 and the middle support portion 130 is reduced. In addition, the length of the wire 500 between the two threading intervals 140 is increased, and the wire 500 between the two threading intervals 140 can be directly removed from the opening of the threading interval 140, so that the wire 500 is removed from the wiring installation structure 100. The wiring installation structure 100 of the utility model simplifies the disassembly and assembly process of the wire 500, reduces the manual disassembly and assembly time, and thus improves the user experience.

[0061] In some embodiments of the air conditioner indoor unit of the utility model, the mounting bracket 200 includes a plate-shaped area 210 , and the connecting portion 110 , two side support portions 120 , at least one middle support portion 130 and at least one stop portion 131 are obtained by processing the plate-shaped area 210 .

[0062] Alternatively, in some alternative embodiments of the air conditioner indoor unit of the utility model, the mounting bracket 200 includes a plate-like area 210, the connecting portion 110 and / or two side supporting portions 120 are connected to the plate-like area 210, and the connecting portion 110, the two side supporting portions 120, at least one intermediate supporting portion 130 and at least one stop portion 131 and the plate-like area 210 are on the same plate.

[0063] Alternatively, in some alternative embodiments of the air conditioner indoor unit of the present invention, the mounting bracket 200 includes a plate-shaped area 210 , and the wiring installation structure 100 is a part of the mounting bracket 200 and is located at the plate-shaped area 210 .

[0064] In some embodiments of the air conditioner indoor unit of the utility model, as Figure 7As shown, the indoor unit of the air conditioner further includes a crossflow fan 300, which includes a wind wheel 310 and a motor for driving the wind wheel 310 to rotate, and one end of the wind wheel 310 is connected to the output shaft of the motor. The mounting bracket 200 is used to mount the wind wheel 310 or the motor. The wiring mounting structure 100 is arranged near the motor.

[0065] Alternatively, the wind wheel 310 and the motor are both mounted on the mounting bracket 200 .

[0066] In this embodiment, the motor rotates through the output shaft to drive the wind wheel 310 to rotate. The wiring installation structure 100 is arranged near the motor, so that the wiring installation structure 100 is close to the wires 500 of the motor, so that the wires 500 of the motor can be installed on the wiring installation structure 100, which improves the neatness of the wiring inside the indoor unit of the air conditioner, thereby improving the user experience.

[0067] In some embodiments of the air conditioner indoor unit of the utility model, as Figure 6 and Figure 7 As shown, the mounting bracket 200 further includes an end baffle 220 and a peripheral baffle 230. The peripheral baffle 230 extends from a portion of the edge of the end baffle 220, and is used to define a mounting space 240 of the motor from the peripheral side of the motor. The plate-shaped area 210 is connected to an edge of the peripheral baffle 230, and the opening of the threading space 140 faces the side away from the wind wheel 310.

[0068] In this embodiment, the opening of the threading space 140 is arranged on a side away from the wind wheel 310, so as to prevent the wire 500 from affecting the rotation of the wind wheel 310, such as winding around the wind wheel 310 and causing the crossflow fan 300 to malfunction. The opening of the threading space 140 faces the outside of the air duct of the indoor unit of the air conditioner, so as to reduce the shielding of the components in the air duct during the installation of the wire 500, facilitate the installation of the wire 500, and improve the installation efficiency.

[0069] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived from the contents disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A wiring installation structure for an air conditioner, characterized in that: It includes a connecting portion, two side support portions, at least one middle support portion and at least one stop portion; The two side support portions are connected to the connecting portion and are located on the same side of the connecting portion; the two side support portions are arranged at intervals; The middle support portion is connected to the connecting portion and is disposed between the two side support portions, so as to define at least two threading intervals between the two side support portions, the openings of which are away from the connecting portion; Each of the stop portions is disposed at one end of the intermediate support portion away from the connecting portion, and both sides of each of the stop portions are located at both sides of the corresponding intermediate support portion to cover the corresponding opening portion of the threading interval.

2. The wiring installation structure according to claim 1, characterized in that: A protrusion extending toward the other side support portion is disposed at one end of each side support portion away from the connecting portion to cover a portion of the opening of the corresponding threading interval, and the protrusion is spaced apart from the stop portion adjacent thereto.

3. The wiring installation structure according to claim 1, characterized in that: The wiring installation structure is formed on a plate by a punching process, or the wiring installation structure is formed by an injection molding process.

4. The wiring installation structure according to claim 1, characterized in that: Both ends of each stopper are provided with chamfers, so that the connecting opening defined for entering the threading interval has a structure of being larger outside and smaller inside.

5. The wiring installation structure according to claim 1, characterized in that: The connecting portion, the two side supporting portions, the at least one middle supporting portion and the at least one stopping portion are located on the same plate.

6. The wiring installation structure according to claim 1, characterized in that: The number of the intermediate support portion is one, so that the threading interval is two; or, The number of the intermediate supporting parts is two, so that the threading interval is three.

7. An indoor unit of an air conditioner, comprising a mounting bracket, characterized in that: It also includes the wiring installation structure according to any one of claims 1 to 6, wherein the wiring installation structure is arranged on the installation bracket.

8. The air conditioner indoor unit according to claim 7, characterized in that: The mounting bracket includes a plate-shaped area, and the connecting portion, the two side support portions, the at least one middle support portion and the at least one stop portion are obtained by processing the plate-shaped area; or, The mounting bracket comprises a plate-shaped area, the connecting portion and / or the two side supporting portions are connected to the plate-shaped area, and the connecting portion, the two side supporting portions, at least one intermediate supporting portion, at least one stop portion and the plate-shaped area are on the same plate; or, The mounting bracket includes a plate-shaped area, and the wiring installation structure is a part of the mounting bracket and is located at the plate-shaped area.

9. The air conditioner indoor unit according to claim 8, characterized in that: It also includes a crossflow fan, the crossflow fan includes a wind wheel and a motor for driving the wind wheel to rotate, one end of the wind wheel is connected to the output shaft of the motor; The mounting bracket is used for mounting the wind wheel and / or the motor; the wiring mounting structure is arranged adjacent to the motor.

10. The air conditioner indoor unit according to claim 9, characterized in that: The mounting bracket further includes an end baffle and a peripheral baffle, wherein the peripheral baffle extends from a portion of an edge of the end baffle and is used to define a mounting space of the motor from a peripheral side of the motor; in The plate-shaped area is connected to an edge of the peripheral baffle, and the opening of the threading spacer faces a side away from the wind wheel.

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