Lightweight high-strength air conditioner motor gland

Abstract

This utility model relates to the technical field of air conditioner motor accessories, specifically, to a lightweight and high-strength air conditioner motor cover, comprising an annular cover body. A central heat sink is integrally formed on the inner annular side of the annular cover body, and an outer annular frame is integrally formed on the outer annular side of the annular cover body. The outer annular frame is detachably connected to the motor housing. A reinforcing support ring is fixedly installed on the outer surface of the central heat sink. Multiple outer reinforcing ribs are fixedly installed between the outer annular frame and the reinforcing support ring. Multiple heat sink fins are fixedly installed between adjacent outer reinforcing ribs. A central bushing is integrally formed at the center of the central heat sink. Multiple inner reinforcing ribs arranged in a ring at equal intervals are fixedly installed between the central bushing and the reinforcing support ring. A rubber seal is provided inside the central bushing for sealing the protruding output shaft. This utility model has the advantages of being lightweight and high-strength, which helps to extend its service life.

Description

Technical Field

[0001] This utility model relates to the technical field of air conditioner motor accessories, specifically to a lightweight and high-strength air conditioner motor cover. Background Technology

[0002] In air conditioning equipment, the motor cover is a key component that protects the internal parts of the motor and fixes the position of the motor rotor and stator. Its performance directly affects the operating stability and service life of the motor. The center of the motor cover is usually provided with a corresponding shaft hole, which allows the output shaft of the motor to pass through normally.

[0003] Utility model patent CN217685421U discloses a motor cover and an air conditioner. The motor cover includes a cover body with a central through hole for the output shaft of a fan motor to pass through; multiple connecting seats evenly spaced along the circumference of the cover body, each connecting seat having a first fixing part for fixing to a motor housing and a second fixing part for fixing to the air duct of the air conditioner; and a wire-locking groove connected to at least one connecting seat for routing the motor wires of the fan motor. By providing the wire-locking groove on the motor cover, the upper section of the fan motor wires can be fixed, ensuring proper wiring and preventing collisions and friction between the motor wires and the internal structure of the air conditioner, thus guaranteeing the normal operation of the air conditioner.

[0004] While this technical solution offers advantages such as standardized wiring, most motor covers installed on motors are made of metal materials, such as cast iron or ordinary steel. This presents certain limitations in lightweight applications. On the one hand, the high density of the material results in a heavier cover, increasing the overall weight of the air conditioning unit. This not only causes inconvenience during transportation and installation but also increases energy consumption during operation. On the other hand, some lightweight cover designs often sacrifice strength, making it difficult to simultaneously meet the dual requirements of lightweight design and high strength, and thus failing to meet the ever-increasing performance demands of modern air conditioning equipment. Utility Model Content

[0005] The purpose of this invention is to provide a lightweight and high-strength air conditioner motor cover to address the deficiencies mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A lightweight, high-strength air conditioner motor cover includes an annular cover body. A central heat sink is integrally formed on the inner annular side of the annular cover body, and an outer annular frame is integrally formed on the outer annular side of the annular cover body. The outer annular frame is detachably connected to the motor housing. A reinforcing support ring is fixedly installed on the outer side of the central heat sink. Multiple outer reinforcing ribs arranged in a ring at equal intervals are fixedly installed between the outer annular frame and the reinforcing support ring. Multiple heat sinks are fixedly installed between two adjacent outer reinforcing ribs. A central bushing is integrally formed at the center of the central heat sink. Multiple inner reinforcing ribs arranged in a ring at equal intervals are fixedly installed between the central bushing and the reinforcing support ring. A rubber seal is provided inside the central bushing for sealing the protruding output shaft.

[0008] Preferably, both the outer reinforcing ribs and the inner reinforcing ribs are radially distributed, and the outer reinforcing ribs and the inner reinforcing ribs are staggered.

[0009] This feature ensures a more robust and stable structure between the outer ring frame, the reinforcing support ring, and the central bushing.

[0010] Preferably, the heat sinks are evenly distributed along the circumference of the annular cover, and the two ends of the heat sinks are located on the inner and outer sides of the annular cover, respectively.

[0011] This feature helps to dissipate heat from the motor in a timely manner, improving heat dissipation.

[0012] Preferably, a sealing ring is embedded on the inner annular side of the outer annular frame, and the sealing ring is attached to the side of the motor housing;

[0013] This feature ensures a good seal between the outer ring frame and the motor housing.

[0014] Preferably, a plurality of external fixing protrusions arranged in a ring at equal intervals are fixedly installed on the annular side of the outer ring frame, and screw fixing sleeves are fixedly installed on the external fixing protrusions;

[0015] The aforementioned screw retainer is used for screw insertion and fixing to the motor housing.

[0016] Preferably, the rubber seal includes a sealing sleeve inserted into the central bushing, and the sealing sleeve has a plurality of thermal expansion and contraction holes on its annular side surface;

[0017] The aforementioned thermal expansion and contraction orifice can protect the sealing sleeve from deformation caused by heat, preventing it from cracking.

[0018] Preferably, an annular groove is provided on the inner wall of the central bushing, and an annular sealing ring is integrally formed on the top of the sealing sleeve. The annular sealing ring is located in the annular groove and engages with the annular groove.

[0019] The aforementioned annular sealing ring, once inserted into the annular groove, can limit the position of the sealing sleeve.

[0020] Preferably, the sealing sleeve is provided with an upper expanding oral cavity and a lower vertical cavity from top to bottom, and the upper expanding oral cavity is in the shape of an inverted frustum;

[0021] The aforementioned upward expansion of the oral cavity facilitates the normal insertion of the motor output shaft.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] 1. This utility model features a ring-shaped cover, a central heat sink, an outer ring frame, a reinforcing support ring, outer reinforcing ribs, and inner reinforcing ribs. The ring-shaped cover is integrally formed or fixedly connected to each component. The outer and inner reinforcing ribs are arranged radially and interlaced, which enhances the overall rigidity and structural stability of the cover. When subjected to external forces such as vibration and torque generated by the motor, it effectively disperses stress and prevents the cover from deforming or cracking. Compared with the traditional cover with its simple structure, it significantly improves strength and ensures the stable operation of the air conditioning motor.

[0024] 2. This utility model significantly increases the heat dissipation area by setting a reinforcing support ring on the outer side of the central heat dissipation plate, and installing heat dissipation fins between the outer and inner reinforcing ribs. The heat dissipation fins are evenly distributed along the circumference and extend out of the annular cover at both ends. At the same time, the central heat dissipation plate and heat dissipation fins can quickly absorb and dissipate the heat generated by the generator operation, prevent the motor from degrading or being damaged due to overheating, extend the service life of the motor, and solve the problem of poor heat dissipation of traditional pressure cover.

[0025] 3. This utility model features a sealing ring embedded in the inner annular side of the outer annular frame to ensure a tight fit with the motor housing, and a rubber seal on the central shaft sleeve. The sealing sleeve is engaged with the annular groove through the annular sealing ring. The interior has an upper expanding chamber, a lower vertical chamber, and a thermal expansion and contraction hole, which effectively prevents dust, moisture, and other impurities from entering the motor. Attached Figure Description

[0026] Figure 1 This is a front view of the present invention;

[0027] Figure 2 This is a rear view of the present invention;

[0028] Figure 3 This is a cross-sectional view of the central bushing and rubber seal of this utility model;

[0029] Figure 4 This is a schematic diagram of the structure of the rubber seal of this utility model;

[0030] The meanings of the labels in the diagram are as follows:

[0031] 1. Annular cover; 10. Outer annular frame; 101. Sealing ring; 11. Central heat sink; 12. Reinforcing support ring; 13. Outer reinforcing rib; 131. Heat sink fin; 14. Inner reinforcing rib; 15. Central bushing; 151. Annular groove; 16. Outer fixing protrusion; 161. Screw fixing sleeve;

[0032] 2. Rubber seal; 20. Sealing sleeve; 21. Annular sealing ring; 22. Upper expanding oral cavity; 23. Lower vertical cavity; 24. Thermal expansion orifice. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Please see Figures 1-4 This utility model provides a technical solution: a lightweight and high-strength air conditioner motor cover, including an annular cover 1, a central heat sink 11 integrally formed on the inner annular side of the annular cover 1, and an outer annular frame 10 integrally formed on the outer annular side of the annular cover 1, so that the cover forms a basic stable frame structure; the outer annular frame 10 is detachably connected to the motor housing, which facilitates installation and disassembly.

[0035] like Figure 1 and Figure 2 As shown, a reinforcing support ring 12 is fixedly installed on the outer side of the central heat sink 11. Multiple outer reinforcing ribs 13 arranged in a ring shape with equal spacing are fixedly installed between the outer annular frame 10 and the reinforcing support ring 12. A central bushing 15 is integrally formed at the center of the central heat sink 11. Multiple inner reinforcing ribs 14 arranged in a ring shape with equal spacing are fixedly installed between the central bushing 15 and the reinforcing support ring 12. Both the outer reinforcing ribs 13 and the inner reinforcing ribs 14 are radially distributed and are staggered to achieve a stable connection between the outer annular frame 10, the reinforcing support ring 12 and the central bushing 15, effectively dispersing the stress generated by the motor operation, making the overall structure of the cover more robust and stable, and improving the strength and deformation resistance of the cover.

[0036] In this embodiment, the annular cover 1, the outer annular frame 10, the reinforcing support ring 12, the inner reinforcing rib 14, and the outer reinforcing rib 13 can all be made of high-strength lightweight alloy materials. The high-strength lightweight alloy materials are composed of elements such as aluminum, magnesium, silicon, and copper, and each element is smelted in a specific ratio. While ensuring high strength, the material density is greatly reduced. Compared with traditional metal materials, the weight can be reduced by 30% to 50%.

[0037] In this embodiment, multiple heat sinks 131 are fixedly installed between two adjacent outer reinforcing ribs 13. The heat sinks 131 are evenly distributed along the circumference of the annular cover 1. The two ends of the heat sinks 131 are located on the inner and outer sides of the annular cover 1, respectively, which greatly increases the heat dissipation area. The heat sinks 131 can quickly absorb the heat generated by the motor operation and dissipate the heat to the outside in a timely manner, accelerate heat conduction and convection, effectively prevent the motor from degrading or being damaged due to overheating, significantly improve the heat dissipation effect of the cover, and ensure the stable operation of the motor.

[0038] like Figure 2 As shown, a sealing ring 101 is embedded on the inner annular side of the outer annular frame 10. The sealing ring 101 fits against the side of the motor housing, forming a sealing barrier. This effectively prevents dust, moisture and other impurities from entering the motor from the connection between the outer annular frame 10 and the motor housing, protecting the internal components of the motor and preventing motor failure caused by impurities. This ensures a good sealing effect between the outer annular frame 10 and the motor housing, and extends the service life of the motor.

[0039] like Figure 1 As shown, multiple external fixing protrusions 16 arranged in a ring at equal intervals are fixedly installed on the annular side of the outer ring frame 10. Screw fixing sleeves 161 are fixedly installed on the external fixing protrusions 16, providing a stable installation position for the screws. During installation, the screws can pass through the screw fixing sleeves 161 and be fixedly connected to the motor housing. Compared with fixing by drilling holes directly on the cover, this enhances the stability of the connection, makes the fixing of the cover and the motor housing more reliable, facilitates installation and disassembly operations, and also improves the stability of the overall structure.

[0040] In this embodiment, a rubber seal 2 for sealing the output shaft is provided inside the central bushing 15. The rubber seal 2 includes a sealing sleeve 20 inserted into the central bushing 15. Multiple thermal expansion and contraction holes 24 are provided on the annular side of the sealing sleeve 20. When the sealing sleeve 20 expands due to the heat generated by the motor operation, the thermal expansion and contraction holes 24 provide space for the deformation of the sealing sleeve 20, relieve internal stress, effectively prevent the sealing sleeve 20 from cracking due to thermal expansion, protect the integrity of the sealing sleeve 20, and ensure that it plays a stable sealing role for a long time.

[0041] like Figure 3 and Figure 4As shown, an annular groove 151 is provided on the inner wall of the central bushing 15, and an annular sealing ring 21 is integrally formed on the top of the sealing sleeve 20. The annular sealing ring 21 is located in the annular groove 151 and is engaged with the annular groove 151. After the annular sealing ring 21 is embedded in the annular groove 151, it restricts the axial and radial movement of the sealing sleeve 20 in the central bushing 15, and plays a precise limiting role for the sealing sleeve 20, ensuring that the sealing sleeve 20 performs its sealing function in the correct position and preventing its displacement from affecting the sealing effect.

[0042] like Figure 3 and Figure 4 As shown, the sealing sleeve 20 has an upper expanding oral cavity 22 and a lower vertical cavity 23 arranged sequentially from top to bottom. The upper expanding oral cavity 22 is in the shape of an inverted frustum. The shape of the upper expanding oral cavity 22 can guide the motor output shaft, making it easier for the output shaft to pass into the sealing sleeve 20, reducing resistance and friction during insertion, and also preventing excessive wear between the output shaft and the edge of the sealing sleeve 20. This ensures the normal insertion and operation of the output shaft and improves the compatibility and practicality of the sealing sleeve 20 and the output shaft.

[0043] When using the lightweight and high-strength air conditioner motor cover of this utility model, the sealing sleeve 20 of the rubber seal 2 is inserted into the central shaft sleeve 15, so that the annular sealing ring 21 at the top of the sealing sleeve 20 is engaged in the annular groove 151, thus completing the limiting and fixing of the sealing sleeve 20. Then, the motor output shaft is passed through the upper expansion chamber 22 and the lower vertical chamber 23 of the sealing sleeve 20. The guiding effect of the upper expansion chamber 22 is used to reduce the resistance of shaft passage, ensuring that the output shaft passes through smoothly and is in a sealed state.

[0044] Next, align the screw fixing sleeve 161 of the outer fixing protrusion 16 on the outer ring frame 10 with the corresponding mounting hole on the motor housing, and tighten the screw through the screw fixing sleeve 161 to make the outer ring frame 10 detachably connected to the motor housing, thus completing the fixing of the cover.

[0045] After installation, start the air conditioner motor. During operation, the central heat sink 11 and heat sink 131 absorb the heat generated by the motor and dissipate it to the outside. The outer reinforcing ribs 13 and inner reinforcing ribs 14 are distributed alternately to disperse the motor running stress and maintain the stability of the cover structure. The sealing ring 101 in the outer annular frame 10 fits against the motor housing. The rubber seal 2 in the central bushing 15 works together to prevent dust and moisture from entering the motor.

[0046] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A lightweight, high-strength air conditioner motor cover, comprising an annular cover (1), characterized in that: A central heat sink (11) is integrally formed on the inner annular side of the annular cover (1), and an outer annular frame (10) is integrally formed on the outer annular side of the annular cover (1). The outer annular frame (10) is detachably connected to the motor housing. A reinforcing support ring (12) is fixedly installed on the outer side of the central heat sink (11). Multiple outer reinforcing ribs (13) arranged in a ring at equal intervals are fixedly installed between the outer annular frame (10) and the reinforcing support ring (12). Multiple heat sinks (131) are fixedly installed between two adjacent outer reinforcing ribs (13). A central bushing (15) is integrally formed at the center of the central heat sink (11). Multiple inner reinforcing ribs (14) arranged in a ring at equal intervals are fixedly installed between the central bushing (15) and the reinforcing support ring (12). A rubber seal (2) for sealing the output shaft is provided inside the central bushing (15).

2. The lightweight, high-strength air conditioner motor cover according to claim 1, characterized in that: The outer reinforcing rib (13) and the inner reinforcing rib (14) are both radially distributed, and the outer reinforcing rib (13) and the inner reinforcing rib (14) are staggered.

3. The lightweight, high-strength air conditioner motor cover according to claim 1, characterized in that: The heat sink (131) is evenly distributed along the circumference of the annular cover (1), and the two ends of the heat sink (131) are located on the inner and outer sides of the annular cover (1), respectively.

4. The lightweight, high-strength air conditioner motor cover according to claim 1, characterized in that: A sealing ring (101) is embedded on the inner annular side of the outer annular frame (10), and the sealing ring (101) is attached to the side of the motor housing.

5. The lightweight, high-strength air conditioner motor cover according to claim 1, characterized in that: Multiple external fixing protrusions (16) arranged in a ring shape at equal intervals are fixedly installed on the annular side of the outer ring frame (10), and screw fixing sleeves (161) are fixedly installed on the external fixing protrusions (16).

6. The lightweight, high-strength air conditioner motor cover according to claim 1, characterized in that: The rubber seal (2) includes a sealing sleeve (20) inserted into the central bushing (15), and the sealing sleeve (20) has a plurality of thermal expansion and contraction holes (24) on its annular side.

7. The lightweight, high-strength air conditioner motor cover according to claim 6, characterized in that: The inner wall of the central bushing (15) is provided with an annular groove (151), and the top of the sealing sleeve (20) is integrally formed with an annular sealing ring (21). The annular sealing ring (21) is located in the annular groove (151) and is engaged with the annular groove (151).

8. The lightweight, high-strength air conditioner motor cover according to claim 7, characterized in that: The sealing sleeve (20) is provided with an upper expanding oral cavity chamber (22) and a lower vertical cavity chamber (23) arranged sequentially from top to bottom. The upper expanding oral cavity chamber (22) is in the shape of an inverted frustum.

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