End cover structure for air conditioner motor

By introducing heat dissipation components and stable components into the end cover for air conditioning motors, the heat dissipation and pressure discharge problems are solved, the heat dissipation performance and safety of the end cover are improved, and the stability and sealing of the motor are enhanced.

CN223093596UActive Publication Date: 2025-07-11CHANGZHOU LEFEI ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202421856041.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-07-11
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

The end cap structure for existing air conditioning motors has poor heat dissipation effect, cannot effectively discharge heat and pressure, and is of low strength, which poses safety hazards.

Method used

An end cap structure including a heat dissipation assembly and a stable assembly is designed to enhance heat dissipation and explosion-proof performance through a circulating cooling system of a water tank, a water pump, a copper pipe and a cooler, combined with the pressure release mechanism of the exhaust pipe and a exhaust valve, and enhance the heat dissipation and explosion-proof performance, and improve the strength of the end cap through bearing seats and bolted connections.

Benefits of technology

It achieves effective heat dissipation and pressure release, enhances the heat dissipation performance and safety of the motor, and improves the stability and sealing of the end cap, reducing safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an end cover structure for an air conditioner motor, and relates to the technical field of motor parts. The device comprises a mounting ring, a cover body is arranged on the front surface of the mounting ring, and a bearing seat is arranged on the front surface of the cover body; a heat dissipation assembly is arranged in an inner cavity of the cover body and comprises a water tank, the water tank is fixedly connected to the top of the inner cavity of the cover body, the bottom of one side of the water tank communicates with a water pump through a water pipe, the output end of the water pump communicates with a copper pipe, and the front face of the water tank is fixedly connected with a cooler. Water in the water tank is cooled through the cooler, the cooled water circulates in the cover body through the water pump and the copper pipe, heat generated by the motor can be effectively dissipated through the heat dissipation holes in the inner cavity of the cover body, the pressure relief valve is communicated with the air outlet end of the motor, and the heat dissipation efficiency is improved. Therefore, the pressure in the motor can be discharged regularly, and the explosion-proof performance of the motor is enhanced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of motor parts, and particularly relates to an end cover structure for an air conditioner motor. Background Technique

[0002] The end cover structure for an air conditioner motor is an important part of the motor. It is usually installed at one end of the air conditioner motor. It mainly plays the role of connecting the rotor and the machine base, and supports and fixes the rotating shaft of the air conditioner motor. The design of the end cover needs to cooperate with different forms of bearings to ensure the gap and relative position between the rotor and the stator.

[0003] In the existing end cover structure for an air conditioner motor, it is necessary to seal the motor housing, resulting in the heat generated by the motor during operation not being able to dissipate, weakening the heat dissipation effect, affecting its overall performance and safety. Moreover, the pressure generated by the motor during operation cannot be discharged, which will increase the pressure inside the motor and may cause an explosion or other serious safety accidents. At the same time, the existing motor end cover has low strength, and the sealing performance between the end cover and the motor housing is poor, making it easy for liquids or solids to enter the motor interior, which easily affects the stability of the motor operation.

[0004] Therefore, we provide an end cover structure for an air conditioner motor to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an end cover structure for an air conditioner motor. Through the cooperation of a heat dissipation component and a stabilizing component, it solves the problems that the existing end cover structure of the air conditioner motor cannot effectively discharge the heat and pressure generated by the motor, and has low strength.

[0006] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0007] The utility model is an end cover structure for an air conditioner motor, including an installation ring. A cover body is arranged on the front surface of the installation ring, and a bearing seat is arranged on the front surface of the cover body. A heat dissipation component is arranged in the inner cavity of the cover body. The heat dissipation component includes a water tank, the water tank is fixedly connected to the top of the inner cavity of the cover body, one side bottom of the water tank is communicated with a water pump through a water pipe, the output end of the water pump is communicated with a copper pipe, a cooler is fixedly connected to the front surface of the water tank, and the refrigerating end of the cooler extends into the water tank. A stabilizing component is arranged in the inner cavity of the bearing seat. The stabilizing component includes a connecting cylinder, the connecting cylinder is fixedly connected to the front surface of the installation ring, the surface of the connecting cylinder is slidably connected with the inner cavity of the cover body, a roller bearing is arranged in the inner cavity of the bearing seat, a retaining cover is arranged on the front surface of the bearing seat, and a sealing ring is fixedly connected to the inner cavity of the retaining cover.

[0008] The present utility model is further configured such that one side of the inner cavity of the cover body is communicated with an air release pipe, both ends of the air release pipe respectively extend to the outside of the mounting ring and the cover body, and an air release valve is sleeved on one side of the surface of the air release pipe.

[0009] The present utility model is further configured such that a threaded hole is provided on one side of the inner cavity of the cover body, the inner cavity of the threaded hole extends to the outside of the mounting ring, and the number of the threaded holes is eight.

[0010] The present utility model is further configured such that mounting holes are provided around the inner cavity of the cover body, mounting bolts are threadedly connected around the inner cavity of the bearing seat, and the surface of the mounting bolt is threadedly connected with the inner cavity of the mounting hole.

[0011] The present utility model is further configured such that positioning holes are provided around the inner cavity of the cover body, positioning bolts are threadedly connected around the inner cavity of the retaining cover, and the surface of the positioning bolt is threadedly connected with the inner cavity of the positioning hole.

[0012] The present utility model is further configured such that a water inlet is provided on one side of the top of the inner cavity of the water tank, the inner cavity of the water inlet extends to the outside of the cover body, and a leak-proof cover is threadedly connected to one side of the surface of the water inlet.

[0013] The present utility model is further configured such that heat dissipation holes are provided in the inner cavity of the cover body, and both ends of the inner cavity of the heat dissipation holes respectively extend to the outside of the cover body and the mounting ring.

[0014] The present utility model is further configured such that the front surface of the roller bearing is attached to the rear end of the retaining cover, and the back surface of the roller bearing is attached to the front end of the connecting cylinder.

[0015] The present utility model has the following beneficial effects:

[0016] 1. The present utility model cools the water inside the water tank through a cooler, circulates the cooled water inside the cover body through a water pump and a copper pipe, and utilizes the heat dissipation holes in the inner cavity of the cover body to effectively dissipate the heat generated by the motor. The air release valve is communicated with the air outlet end of the motor, so as to regularly discharge the pressure inside the motor and enhance the explosion-proof performance of the motor.

[0017] 2. The present utility model can install the end cover at one end of the motor housing through the threaded holes in the mounting ring and the inner cavity of the cover body. The rear end of the roller bearing can be installed in the inner cavity of the cover body through the bearing seat, and the front surface of the roller bearing can be limited in the inner cavity of the bearing seat by fixing the retaining cover to the front surface of the bearing seat, so that the roller bearing is more stable when connected to the motor output end and the strength of the end cover is enhanced.

[0018] Of course, it is not necessary for any product implementing the present utility model to simultaneously achieve all the above-mentioned advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for describing the embodiments will be briefly introduced below.

[0020] Figure 1 It is a three-dimensional structure diagram of an end cover structure for an air-conditioning motor;

[0021] Figure 2 It is an exploded view of the surface structure of the cover body in an end cover structure for an air-conditioning motor;

[0022] Figure 3 It is a cross-sectional view of the cover body in an end cover structure for an air-conditioning motor;

[0023] Figure 4 It is an exploded view of the internal structure of the cover body in an end cover structure for an air-conditioning motor;

[0024] Figure 5 It is an exploded view of the bearing seat and the retaining cover in an end cover structure for an air-conditioning motor.

[0025] In the accompanying drawings: 1, mounting ring; 2, cover body; 3, bearing seat; 4, water tank; 5, water pump; 6, copper pipe; 7, cooler; 8, connecting cylinder; 9, roller bearing; 10, retaining cover; 11, sealing ring; 12, air vent pipe; 13, air vent valve; 14, mounting bolt; 15, positioning bolt; 16, water inlet; 17, leak-proof cover; 18, heat dissipation hole. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be described in conjunction with the accompanying drawings in the embodiments of the present utility model. The described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0027] Specific Embodiment 1, please refer to Figures 1-5 , the present utility model is an end cover structure for an air-conditioning motor, including a mounting ring 1. A cover body 2 is arranged on the front surface of the mounting ring 1, and a bearing seat 3 is arranged on the front surface of the cover body 2; a heat dissipation component is arranged in the inner cavity of the cover body 2. The heat dissipation component includes a water tank 4, and the water tank 4 is fixedly connected to the top of the inner cavity of the cover body 2. One side bottom of the water tank 4 is communicated with a water pump 5 through a water pipe, the output end of the water pump 5 is communicated with a copper pipe 6, a cooler 7 is fixedly connected to the front surface of the water tank 4, and the refrigeration end of the cooler 7 extends into the water tank 4; a stabilizing component is arranged in the inner cavity of the bearing seat 3. The stabilizing component includes a connecting cylinder 8, and the connecting cylinder 8 is fixedly connected to the front surface of the mounting ring 1. The surface of the connecting cylinder 8 is slidably connected to the inner cavity of the cover body 2. A roller bearing 9 is arranged in the inner cavity of the bearing seat 3, a retaining cover 10 is arranged on the front surface of the bearing seat 3, and a sealing ring 11 is fixedly connected to the inner cavity of the retaining cover 10.

[0028] Specifically: Eight threaded holes are provided in the inner cavities of the mounting ring 1 and the cover body 2 to facilitate the fixation of the mounting ring 1 and the cover body 2. The mounting ring 1 and the cover body 2 are installed at one end of the motor housing through the threaded holes. The back of the water tank 4 is fixed to the rear end of the top of the inner cavity of the cover body 2. The inner cavity of the copper tube 6 is hollow to facilitate the circulation of the water cooled inside the water tank 4 and generate cold air to dissipate heat from the motor. The copper tube 6 is characterized by high strength and good thermal conductivity. The surface of the connecting cylinder 8 extends into the inner cavity of the cover body 2, and the front is in contact with the back of the outer ring of the roller bearing 9. The retaining cover 10 can limit the position of the roller bearing 9. The sealing ring 11 can seal the surface of the motor output shaft and the end cover to prevent dust and moisture from entering. One end of the copper tube 6 communicates with the bottom of one side of the inner cavity of the water tank 4, and the other end communicates with the output end of the water pump 5.

[0029] Specific Embodiment 2. Please refer to Figures 1-5 , on the basis of Specific Embodiment 1, an air release pipe 12 is communicated with one side of the inner cavity of the cover body 2. Both ends of the air release pipe 12 extend to the outside of the mounting ring 1 and the cover body 2 respectively. An air release valve 13 is sleeved on one side of the surface of the air release pipe 12. A threaded hole is provided in one side of the inner cavity of the cover body 2, and the inner cavity of the threaded hole extends to the outside of the mounting ring 1. The number of threaded holes is eight. Mounting holes are provided around the inner cavity of the cover body 2. Mounting bolts 14 are threadedly connected to the periphery of the inner cavity of the bearing seat 3, and the surface of the mounting bolts 14 is threadedly connected to the inner cavity of the mounting holes. Positioning holes are provided around the inner cavity of the cover body 2. Positioning bolts 15 are threadedly connected to the periphery of the inner cavity of the retaining cover 10, and the surface of the positioning bolts 15 is threadedly connected to the inner cavity of the positioning holes. A water inlet 16 is provided on one side of the top of the inner cavity of the water tank 4, and the inner cavity of the water inlet 16 extends to the outside of the cover body 2. A leak-proof cover 17 is threadedly connected to one side of the surface of the water inlet 16. A heat dissipation hole 18 is provided in the inner cavity of the cover body 2, and both ends of the inner cavity extend to the outside of the cover body 2 and the mounting ring 1. The front of the roller bearing 9 is in contact with the rear end of the retaining cover 10, and the back of the roller bearing 9 is in contact with the front end of the connecting cylinder 8.

[0030] Specifically: One end of the air release pipe 12 extends to the outside of the cover body 2 and is sleeved with an air release valve 13 on the surface, and the other end extends to the outside of the mounting ring 1 and communicates with the air outlet chamber of the motor to facilitate the regular release of the pressure generated by the motor without affecting the sealing performance;

[0031] The bearing seat 3 can be installed on the surface of the cover body 2 through the mounting holes and the mounting bolts 14. The cover body 2 can be installed on the surface of the bearing seat 3 through the positioning holes and the positioning threads. The top end of the water inlet 16 extends to the outside of the cover body 2, and the leak-proof cover 17 threadedly connected to the surface can facilitate the addition of water to the water tank 4 and prevent the water inside the water tank 4 from leaking. The heat dissipation hole 18 is provided in the inner cavity of the cover body 2, and the inner cavity communicates with one side of the surface of the installed motor housing and does not contact the motor output end, without affecting the sealing. The roller bearing 9 can work in the inner cavities of the bearing seat 3 and the cover body 2 through the limitation of the retaining cover 10 and the connecting cylinder 8, making it more stable.

[0032] The working principle of the present utility model is as follows: When it is necessary to install the air-conditioning motor end cover at one end of the motor housing, first, the mounting ring 1 and the cover body 2 are installed through the threaded holes and external bolts. Then, it is installed at the installation position of the bolt and the motor housing. Next, the adapted roller bearing 9 is installed in the inner cavity of the cover body 2, and the rear end of the roller bearing 9 is in contact with the front surface of the connecting cylinder 8. Then, the bearing seat 3 is installed on the front surface of the cover body 2 through the mounting holes and the mounting bolts 14, and the inner ring of the bearing seat 3 is in contact with the outer ring of the roller bearing 9. Finally, the retaining cover 10 is installed on the front surface of the bearing seat 3 through the positioning holes and the positioning bolts 15, so that the surface of the motor output shaft is in contact with the inner cavity of the sealing ring 11, achieving the effect of sealing and firmness;

[0033] When the motor is working, the cooler 7 is turned on. The cooler 7 cools the water inside the water tank 4. Then, the water pump 5 is turned on to pump the water inside the water tank 4 into the copper pipe 6 and send it back to the water tank 4 through one end of the copper pipe 6, so that the cooling water circulates. Since the heat on the surface of the motor housing will be transferred to the inner cavity of the cover body 2 through the heat dissipation holes 18, the heat generated by the motor housing is dissipated by the cooling water in the copper pipe 6. When installing the end cover, one end of the air release pipe 12 is communicated with the motor air outlet chamber. During the operation of the motor, the air release valve 13 is regularly opened to release the pressure inside the motor, so as to prevent the explosion caused by excessive pressure inside the motor.

[0034] The standard parts used in the present utility model can all be purchased from the market, and can also be customized according to the records of the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. The control method is automatically controlled by a control unit. The control circuit of the control unit can be realized by simple programming by those skilled in the art, which belongs to the common general knowledge in the art. Therefore, the control method and the circuit connection are not explained in detail in the present utility model.

[0035] The above-disclosed preferred embodiments of the present utility model are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. The present specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model.

Claims

1. An end cover structure for an air conditioner motor, comprising a mounting ring (1), characterized in that: A cover body (2) is arranged on the front surface of the mounting ring (1), and a bearing seat (3) is arranged on the front surface of the cover body (2); A heat dissipation component is arranged in the inner cavity of the cover body (2). The heat dissipation component includes a water tank (4). The water tank (4) is fixedly connected to the top of the inner cavity of the cover body (2). One side of the bottom of the water tank (4) is communicated with a water pump (5) through a water pipe. The output end of the water pump (5) is communicated with a copper pipe (6). A cooler (7) is fixedly connected to the front surface of the water tank (4), and the refrigerating end of the cooler (7) extends into the water tank (4); A stabilizing component is arranged in the inner cavity of the bearing seat (3). The stabilizing component includes a connecting cylinder (8). The connecting cylinder (8) is fixedly connected to the front surface of the mounting ring (1). The surface of the connecting cylinder (8) is slidably connected with the inner cavity of the cover body (2). A roller bearing (9) is arranged in the inner cavity of the bearing seat (3). A retaining cover (10) is arranged on the front surface of the bearing seat (3), and a sealing ring (11) is fixedly connected to the inner cavity of the retaining cover (10).

2. The end cover structure for an air conditioner motor according to claim 1, wherein: One side of the inner cavity of the cover body (2) is communicated with an air vent pipe (12). Both ends of the air vent pipe (12) respectively extend to the outside of the mounting ring (1) and the cover body (2), and an air release valve (13) is sleeved on one side of the surface of the air vent pipe (12).

3. The end cover structure for an air conditioner motor according to claim 1, characterized in that: One side of the inner cavity of the cover body (2) is provided with a threaded hole, and the inner cavity of the threaded hole extends to the outside of the mounting ring (1). The number of the threaded holes is eight.

4. The end cover structure for an air conditioner motor according to claim 1, characterized in that: Mounting holes are respectively arranged around the inner cavity of the cover body (2). Mounting bolts (14) are respectively threadedly connected to the periphery of the inner cavity of the bearing seat (3), and the surface of the mounting bolts (14) is threadedly connected with the inner cavity of the mounting holes.

5. The end cover structure for an air conditioner motor according to claim 1, characterized in that: Positioning holes are respectively arranged around the inner cavity of the cover body (2). Positioning bolts (15) are respectively threadedly connected to the periphery of the inner cavity of the retaining cover (10), and the surface of the positioning bolts (15) is threadedly connected with the inner cavity of the positioning holes.

6. The end cover structure for an air conditioner motor according to claim 1, characterized in that: One side of the top of the inner cavity of the water tank (4) is provided with a water inlet (16). The inner cavity of the water inlet (16) extends to the outside of the cover body (2), and a leak-proof cover (17) is threadedly connected to one side of the surface of the water inlet (16).

7. The end cover structure for an air conditioner motor according to claim 1, characterized in that: Heat dissipation holes (18) are arranged in the inner cavity of the cover body (2), and both ends of the inner cavity of the heat dissipation holes (18) respectively extend to the outside of the cover body (2) and the mounting ring (1).

8. The end cover structure for an air conditioner motor according to claim 1, characterized in that: The front surface of the roller bearing (9) is attached to the rear end of the retaining cover (10), and the back surface of the roller bearing (9) is attached to the front end of the connecting cylinder (8).