Motor box structure and air conditioner indoor unit

By designing the motor box structure, the motor is fixedly connected to the support column, the cover plate is fastened to the box body, and the motor is spaced between the box body, which solves the cumbersome and rust problems of motor replacement, realizes the convenient replacement and anti-rust effect of the motor, and improves the maintenance efficiency and aesthetics of the air conditioner.

CN223246374UActive Publication Date: 2025-08-19QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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Patent Information

Application Number
CN202422407781.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-19
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The entire motor box in the existing air conditioner needs to be removed when replacing the motor box, which leads to a cumbersome replacement process and the motor is prone to rust.

Method used

A motor box structure is designed, the motor is fixedly connected to the support column, and the cover plate is fastened to the box body away from the support column, so that the motor is positioned outside the cover plate, the motor is spaced between the bottom surface of the box body, a waterproof pad and a flange connection groove are provided, and the transmission mechanism is connected to the air guide connecting rod.

Benefits of technology

It simplifies the motor replacement process, improves maintenance efficiency and convenience, avoids motor rust, reduces maintenance costs, and enhances waterproof performance and equipment aesthetics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of air conditioners, particularly provides a motor box structure and an air conditioner indoor unit, and aims to solve the problem that a motor in a motor box of an existing air conditioner needs to be detached when being replaced, so that the process of replacing the motor is tedious. In order to achieve the purpose, the motor box structure comprises a box body, one end of the box body is provided with an opening, and a motor supporting column is arranged in the box body; the motor is connected with the motor supporting column, and the motor and the bottom face of the box body can be arranged in a spaced mode; and the cover plate is buckled on the part, far away from the motor supporting column, of the box body, so that the motor is positioned outside the cover plate. According to the motor box, the motor is fixedly connected with the motor supporting column, and the cover plate is buckled on the part, far away from the motor supporting column, of the box body, so that the motor can be located outside the cover plate, the motor can be taken out or installed without disassembling the whole motor box, and the maintenance efficiency and convenience are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, and specifically provides a motor box structure and an air conditioner indoor unit. Background Art

[0002] Conventional air conditioners consist of a hood, a deflector plate, and a motor box. The hood is typically equipped with an air inlet, and the deflector plate is rotatably mounted to the inlet to adjust the airflow angle. The motor box typically includes a motor box and a motor. The motor box is mounted on the hood, with the opening of the motor box facing away from the hood. The motor is mounted within the motor box, with the motor shaft extending from the bottom plate of the motor box and connected to the rotating shaft of the deflector plate. The motor drives the deflector plate to oscillate.

[0003] In the prior art, the motor shaft of the motor generally passes directly through the bottom plate of the motor box to connect to the rotating shaft of the air guide plate, which may cause the motor to rust. In addition, the motor is installed inside the motor box. When replacing the motor, the entire motor box needs to be disassembled, making the process of replacing the motor more cumbersome.

[0004] Accordingly, this field requires a new technical solution to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the above technical problem, that is, to solve the problem that when replacing the motor in the motor box of the existing air conditioner, the entire motor box needs to be disassembled, resulting in a cumbersome process of replacing the motor.

[0006] The utility model provides a motor box structure, which includes a box body, one end of which is open and a motor support column is arranged inside the box body; a motor, which is connected to the motor support column and is arranged to be spaced apart from the bottom surface of the box body; and a cover plate, which is buckled on the part of the box body away from the motor support column so that the motor is positioned outside the cover plate.

[0007] When adopting the above technical solution, the motor box structure of the utility model securely connects the motor to the motor support column and snaps the cover plate onto the portion of the box body away from the motor support column, allowing the motor to be positioned outside the cover plate. This design greatly simplifies the motor replacement process, allowing the motor to be removed or installed without disassembling the entire motor box, improving maintenance efficiency and convenience and reducing repair costs. Furthermore, the spacing between the motor and the bottom surface of the box body prevents any accumulated water in the box from entering the motor, preventing the motor from rusting.

[0008] In a specific embodiment of the above motor box structure, the distance between the motor and the bottom surface of the box body is 2mm-5mm.

[0009] When the above technical solution is adopted, the distance between the motor and the bottom surface of the box body is set to 2mm-5mm, which not only ensures the stable installation of the motor, but also avoids the vibration generated during the operation of the motor being directly transmitted to the box body, and prevents the motor from rusting.

[0010] In a specific embodiment of the above motor box structure, a waterproof pad is further provided at the bottom of the box body.

[0011] When the above technical solution is adopted, a waterproof pad is provided at the bottom of the box body, which can further prevent water vapor or liquid from entering the interior of the motor box structure, protect the motor and electrical components from moisture damage, and improve the waterproof performance and overall reliability.

[0012] In a specific embodiment of the above-mentioned motor box structure, a flange is provided on the box body at a position corresponding to the motor, and a wiring groove for accommodating wires connected to the motor is provided on the flange.

[0013] When the above technical solution is adopted, the flange and wiring groove design set at the corresponding motor position of the box body facilitates the arrangement and fixation of the wires, avoids the disorder of the wires, and improves the aesthetics and safety of the equipment.

[0014] In a specific embodiment of the above-mentioned motor box structure, the motor is provided with a lug, and the lug is fixedly connected to the motor support column.

[0015] When the above technical solution is adopted, the fixed connection between the lug on the motor and the motor support column makes the connection between the motor and the support column more convenient.

[0016] In a specific embodiment of the above-mentioned motor box structure, a transmission mechanism connected to the motor is further provided between the box body and the cover plate, and the transmission mechanism is configured to be suitable for being connected to an air guide connecting rod of the air conditioner.

[0017] When the above technical solution is adopted, a transmission mechanism connected to the motor is provided between the box body and the cover plate, and is connected to the air guide connecting rod of the air conditioner, thereby realizing the control of the air outlet direction by the motor.

[0018] In a specific embodiment of the above-mentioned motor box structure, the transmission mechanism includes an output gear, a first crank, a second crank and a transmission connecting rod, wherein the output gear is connected to the output shaft of the motor and meshes with the first crank, the two ends of the transmission connecting rod are respectively connected to the first crank and the second crank, and the second crank is suitable for being connected to the air guide connecting rod of the air conditioner.

[0019] When the above technical solution is adopted, the specific transmission mechanism design ensures the effective transmission and conversion of power, so that the rotational motion output by the motor can be smoothly converted into the swing of the air guide plate, thereby improving the transmission efficiency and accuracy of the system.

[0020] In a specific embodiment of the above-mentioned motor box structure, a motor placement groove is provided on the cover plate, and the motor is arranged in the motor placement groove.

[0021] When the above technical solution is adopted, the motor placement groove provided on the cover plate provides a suitable installation position for the motor, which is convenient for disassembling and assembling the motor, and can also shield and protect the parts between the box body and the cover plate.

[0022] The utility model also discloses an air-conditioning indoor unit, which includes an air guide cover and an air guide plate, and a motor box structure of any one of the above items; wherein, the air guide cover is provided with an air guide port; the air guide plate is rotatably connected to the air guide port via a rotating shaft; the motor box structure is fixedly connected to the air guide cover, and the motor box structure is configured to drive the air guide plate to rotate.

[0023] When using this technical solution, the motor is fixedly connected to the motor support column, and the cover is snapped onto the part of the box away from the motor support column, allowing the motor to be located outside the cover. This design greatly simplifies the motor replacement process, allowing it to be removed or installed without disassembling the entire motor box structure, improving maintenance efficiency and convenience while reducing repair costs. Furthermore, the motor is spaced apart from the bottom surface of the box to prevent rust.

[0024] In the specific embodiment of the above-mentioned air-conditioning indoor unit, the air guide port is provided on the side of the air guide cover along the height direction of the air guide cover; and the motor box structure is fixedly connected to the upper end of the air guide cover.

[0025] When adopting the above technical solution, air ducts are provided along the side of the air duct cover along its height. Combined with the fixed connection between the motor box structure and the upper end of the air duct cover, the overall structure of the air conditioner indoor unit is more compact and reasonable, saving installation space and facilitating the installation and maintenance of the motor. This design improves space utilization and meets the dual needs of modern homes for both aesthetics and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of an air-conditioning indoor unit of the present utility model;

[0028] Figure 2This is a schematic diagram of the overall structure of an embodiment of the air conditioner indoor unit of the present utility model from another angle;

[0029] Figure 3 This is a structural diagram of an embodiment of the motor box structure in the indoor unit of an air conditioner of the present utility model;

[0030] Figure 4 It is a schematic diagram of the internal structure of an embodiment of the motor box structure in the indoor unit of an air conditioner of the present utility model.

[0031] List of reference numerals:

[0032] 1-Indoor unit body; 11-Air guide cover; 111-Air guide port; 12-Air guide plate; 2-Motor box structure; 21-Box body; 211-Bottom; 212-Flanged edge; 213-Wiring slot; 214-Motor support column; 22-Cover; 221-Motor placement slot; 23-Motor; 231-Lug; 241-Output gear; 242-First crank; 243-Drive connecting rod; 244-Second crank. DETAILED DESCRIPTION

[0033] The following describes preferred embodiments of the present application with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely intended to explain the technical principles of the present application and are not intended to limit the scope of protection of the present application. Those skilled in the art may adjust these embodiments as needed to suit specific applications. For example, although the refrigeration equipment in this specification is described in conjunction with a dehumidifier, other refrigeration equipment, such as an air conditioner or a refrigerator, can obviously be used in the present application.

[0034] It should be noted that, in the description of this application, unless otherwise expressly specified and limited, the terms "disposed", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or other connection; it can be a direct connection or an indirect connection through an intermediate medium. It should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it should not be understood as a limitation on the present invention.

[0035] To address the cumbersome process of replacing the motor within the motor box of an existing air conditioner, which requires disassembling the entire motor box, the present invention provides a motor box structure 2. The motor box structure 2 comprises a box body 21, one end of which is open and contains a motor support column 214; a motor 23, which is connected to the motor support column 214 and spaced apart from the bottom surface 211 of the box body 21; and a cover plate 22, which snaps onto the portion of the box body 21 away from the motor support column 214 and is configured to position the motor 23 outside the cover plate 22. The motor 23 is fixedly connected to the motor support column 214, and the cover plate 22 snaps onto the portion of the box body 21 away from the motor support column 214, allowing the motor 23 to be positioned outside the cover plate 22. This design greatly simplifies the process of replacing the motor 23, allowing the motor 23 to be removed or installed without disassembling the entire motor box structure, improving maintenance efficiency and convenience while reducing repair costs. At the same time, the motor 23 is spaced apart from the bottom surface 211 of the box body 21 , which can prevent the motor 23 from rusting.

[0036] Figure 1 This is a schematic diagram of the overall structure of an embodiment of an air-conditioning indoor unit of the present utility model;

[0037] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the air conditioner indoor unit of the present utility model from another angle;

[0038] Figure 3 This is a structural diagram of an embodiment of the motor box structure in the indoor unit of an air conditioner of the present utility model; Figure 4 It is a schematic diagram of the internal structure of an embodiment of the motor box structure in the indoor unit of an air conditioner of the present utility model.

[0039] like Figure 1-Figure 4 As shown, in one or more embodiments, the air conditioner indoor unit of the present invention includes an indoor unit body 1 and a motor box structure 2. The indoor unit body 1 includes components such as an air guide cover 11, an air guide plate 12, and an air guide connecting rod. The motor box structure 2 includes components such as a box body 21, a cover plate 22, a motor 23, and a transmission mechanism.

[0040] It should be noted that the indoor unit body 1 also includes an evaporator, a fan and other necessary components of the air conditioning indoor unit. Since they are not related to the innovation of this application, they will not be described here.

[0041] like Figure 1 and Figure 2 As shown, in one or more embodiments, the air-conditioning indoor unit is a vertical air-conditioning indoor unit. Figure 1 and Figure 2The lower end of the air-conditioning indoor unit is set on a supporting surface (such as the ground), and the upper end of the air-conditioning indoor unit is provided with a platform for installing the motor box structure 2. Air is discharged from one side (such as the front side) of the air-conditioning indoor unit. Alternatively, the air-conditioning indoor unit may also be a hanging air-conditioning indoor unit or other forms of air-conditioning indoor unit. Alternatively, the air-conditioning indoor unit may also be set obliquely on the supporting surface, or hung on a wall, etc. Alternatively, the air-conditioning indoor unit may discharge air at a position near the upper end on one side or at a position near the lower end, and the position of the air outlet may be selected according to specific needs.

[0042] like Figure 1 and Figure 2 As shown, in one or more embodiments, the air guide cover 11 is located on one side of the air conditioner indoor unit, and the air guide cover 11 is along the left and right directions of the air conditioner indoor unit (based on Figure 1 and Figure 2 The direction shown, that is, the left and right direction) is set. One side of the air guide cover 11 ( Figure 1 An air guide port 111 is provided at the center (toward the right side of the paper), and the air guide port 111 is provided along the length direction of the air guide cover 11. The air blown out by the fan in the indoor unit of the air conditioner can be discharged through the air guide port 111. Alternatively, the air guide port 111 may also be provided at other suitable positions, for example, the air guide port 111 is located at the upper end of the air guide cover 11; for another example, the air guide port 111 is located at the lower end of the air guide cover 11, etc. The upper end of the air guide cover 11 is provided with a mounting platform extending roughly in a horizontal direction, and the mounting platform is configured to be able to install the motor box structure 2. Alternatively, other suitable mounting structures may also be provided at the upper end of the air guide cover 11, such as a plurality of protrusions for fixing the motor box structure 2, etc., as long as the motor box structure 2 can be fixed.

[0043] In one or more embodiments, there are multiple air deflectors 12, and the multiple air deflectors 12 are evenly spaced. It should be noted that the number of air deflectors 12 can be adjusted as needed, and the spacing between adjacent air deflectors 12 can also be adjusted as needed. The air deflectors 12 are disposed within the air guide port 111 and connected to the air guide port 111 via a rotating shaft. The air deflectors 12 can control the airflow direction by rotating within the air guide port 111.

[0044] In one or more embodiments, an air guide connecting rod (not shown) is disposed within the air guide housing 11 and is connected to one end of the air guide plate 12 located within the air guide opening 111. The air guide connecting rod is movable along the length of the air guide housing 11 under the control of the motor box structure 2, thereby controlling the rotation of the air guide plate 12 within the air guide opening 111. The specific structure of the air guide connecting rod is conventional and will not be further described here.

[0045] like Figure 2-Figure 4As shown, in one or more embodiments, the box body 21 is arranged on the mounting platform at the upper end of the air duct 11. The box body 21 is connected to the upper end of the air duct 11 by screws. Alternatively, the box body 21 and the air duct 11 can be connected in other suitable ways. In one or more embodiments, a waterproof pad is provided at the bottom of the box body 21. That is, a waterproof pad is provided between the box body 21 and the air duct 11. The provision of the waterproof pad can prevent water vapor or liquid from entering the interior of the motor box structure 2, protect the motor 23 and electrical components from moisture damage, and improve the waterproof performance and overall reliability of the equipment. Alternatively, the bottom of the box body 21 may not be provided with a waterproof pad. An opening facing upward is formed on the box body 21. In one or more embodiments, two motor support columns 214 are provided on the box body 21, and the two motor support columns 214 are used to connect the motor 23. Alternatively, the number of motor support columns 214 can be three, four, etc. In one or more embodiments, a flange 212 is provided on the housing 21 near the motor 23. The flange 212 is provided with a wiring slot 213 for accommodating the electrical wires connected to the motor 23. The flange 212 and wiring slot 213 provided on the housing 21 corresponding to the motor 23 facilitate the organization and securement of the electrical wires, avoiding disorganization and improving the aesthetics and safety of the device. Alternatively, the flange 212 may be omitted. Alternatively, the wiring slot 213 may be omitted in addition to the flange 212.

[0046] like Figure 4 As shown, in one or more embodiments, the motor 23 is provided with two lugs 231, and the two lugs 231 are connected to the motor support column 214 by screws, thereby securing the motor 23. Alternatively, the lugs 231 may not be provided and other suitable mounting structures may be used. For example, a snap fastener may be provided on the housing 21, and a snap ring may be provided on the motor 23 to form a snap-fit engagement with the snap fastener. Alternatively, the number of lugs 231 may be set according to the number of motor support columns 214. Of course, the number of lugs 231 may also be less than the number of motor support columns 214, as long as the motor 23 is securely secured. In one or more embodiments, the distance between the lower side of the motor 23 and the bottom surface 211 of the housing 21 is 3.5 mm. Alternatively, the distance between the lower side of the motor 23 and the bottom surface 211 of the housing 21 is 2 mm to 5 mm, for example, 2 mm, 3 mm, 4 mm, etc. The distance between the motor 23 and the bottom surface 211 of the box body 21 is set to 2mm-5mm, which not only ensures the stable installation of the motor 23, but also prevents the vibration generated during the operation of the motor 23 from being directly transmitted to the box body 21, and at the same time prevents the motor 23 from rusting.

[0047] like Figure 4As shown, in one or more embodiments, the transmission mechanism includes an output gear 241, a first crank 242, a second crank 244, and a transmission connecting rod 243. The output gear 241 is connected to the output shaft of the motor 23. The first crank 242 is rotatably disposed on the bottom surface 211 of the housing 21 and meshes with the output gear 241. The second crank 244 is rotatably disposed on the bottom surface 211 of the housing 21 and is connected to the air deflector 12 via an air deflector connecting rod. When the second crank 244 rotates, the air deflector 12 can swing. One end of the transmission connecting rod 243 is rotatably connected to the first crank 242, and the other end of the transmission connecting rod 243 is rotatably connected to the second crank 244. The transmission connecting rod 243 enables the first crank 242 and the second crank 244 to rotate synchronously.

[0048] It should be noted that the above-mentioned transmission mechanism is not the only one, and those skilled in the art can select the specific structure of the transmission mechanism as needed, for example, using gear transmission or pulley transmission.

[0049] like Figure 4 As shown, in one or more embodiments, the cover plate 22 is snapped onto a portion of the box body 21, and a cavity is formed between the cover plate 22 and the box body 21, and the transmission mechanism is located in the cavity. In one or more embodiments, the cover plate 22 and the box body 21 are connected by screws. Alternatively, the cover plate 22 and the box body 21 can also be connected by means of a buckle and a slot. A motor placement groove 221 is provided on the cover plate 22. When the cover plate 22 is snapped onto the box body 21, the motor 23 is located in the motor placement groove 221, so that the motor 23 can be disassembled without removing the cover plate 22, making the maintenance of the motor 23 more convenient. Alternatively, the motor placement groove 221 may not be provided, as long as the motor 23 is located outside the cavity. The motor placement groove 221 set on the cover 22 provides a suitable installation position for the motor 23. At the same time, the cover 22 can shield the box body 21, making it easy to disassemble and assemble the motor 23, and can protect the transmission mechanism between the box body 21 and the cover 22, further improving the operating stability and reliability of the motor 23.

[0050] Those skilled in the art will appreciate that although some embodiments herein include certain features included in other embodiments but not other features, the combination of features from different embodiments is intended to be within the scope of this application and to form different embodiments.

[0051] Thus far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present invention.

Claims

1. A motor box structure, characterized in that: The motor box structure includes The box body is open at one end and contains a motor support column; a motor connected to the motor support column and arranged to be spaced apart from the bottom surface of the box body; and A cover plate is buckled onto a portion of the box body away from the motor support column, so that the motor is positioned outside the cover plate.

2. The motor box structure according to claim 1, characterized in that: The distance between the motor and the bottom surface of the box body is 2mm-5mm.

3. The motor box structure according to claim 1, characterized in that: A waterproof pad is also provided at the bottom of the box body.

4. The motor box structure according to claim 1, characterized in that: A flange is provided at a position of the box body corresponding to the motor, and a wiring groove for accommodating electric wires connected to the motor is provided on the flange.

5. The motor box structure according to claim 1, characterized in that: The motor is provided with a lug, and the lug is fixedly connected to the motor support column.

6. The motor box structure according to claim 1, characterized in that: A transmission mechanism connected to the motor is further provided between the box body and the cover plate, and the transmission mechanism is configured to be suitable for being connected to an air guide connecting rod of the air conditioner.

7. The motor box structure according to claim 6, characterized in that: The transmission mechanism includes an output gear, a first crank, a second crank and a transmission connecting rod, wherein the output gear is connected to the output shaft of the motor and meshes with the first crank, the two ends of the transmission connecting rod are respectively connected to the first crank and the second crank, and the second crank is suitable for being connected to the air guide connecting rod.

8. The motor box structure according to claim 1, characterized in that: A motor placement groove is provided on the cover plate, and the motor is arranged in the motor placement groove.

9. An air conditioner indoor unit, characterized in that: The air conditioner indoor unit includes an air guide cover and an air guide plate, and a motor box structure according to any one of claims 1 to 8; wherein, an air guide port is provided on the air guide cover; the air guide plate is rotatably connected to the air guide port via a rotating shaft; the motor box structure is fixedly connected to the air guide cover, and the motor box structure is configured to drive the air guide plate to rotate.

10. The air conditioner indoor unit according to claim 9, characterized in that: The air guide port is provided on the side of the air guide cover and is arranged along the height direction of the air guide cover; and The motor box structure is fixedly connected to the upper end of the air guide cover.