Motor convenient for heat dissipation

Abstract

The utility model relates to a motor convenient for heat dissipation in the motor field, which comprises a shell, a stator, a rotor and a rotating shaft, the stator and the rotor are both conductively connected with a junction box, two ends of the shell are provided with heat dissipation ports, a heat dissipation air channel is arranged between the stator and the rotor, and one end of the shell is provided with a heat dissipation fan and a connecting support. The cooling fan is rotatably arranged in the middle of the connecting support, a transmission hole is formed in the middle of the cooling fan, one end of the rotating shaft can be inserted into the transmission hole, a positioning claw hook is arranged at the end, close to the shell, of the connecting support and located on the edge of the connecting support, and a positioning groove is formed in the end, close to the connecting support, of the shell. A positioning groove is formed in the shell, a positioning block and a reset spring are arranged in the positioning groove, an unlocking key is arranged on the side wall of the positioning block and extends to the surface of the shell, the positioning claw hook can be inserted into the positioning groove to be meshed with the positioning block, the connecting support can be taken down from the shell, and the cooling fan is more convenient to clean after the connecting support is taken down.

Description

Technical Field

[0001] This utility model relates to the field of motors, and in particular to a motor that facilitates heat dissipation. Background Technology

[0002] Electric motors, as indispensable power equipment in modern industry, are widely used in various mechanical equipment and systems. Their main function is to convert electrical energy into mechanical energy, providing the required torque and speed for various loads. Electric motors play a crucial role in industrial production, transportation, and household appliances. Especially in applications requiring continuous or high-load operation, the motor's heat dissipation performance directly affects its operational stability and service life.

[0003] An electric motor typically includes core components such as the housing, stator, rotor, and shaft. The housing, acting as a protective enclosure, not only effectively isolates the motor from external environmental influences but also plays a crucial role in heat dissipation. The stator is fixed inside the housing and electrically connected to the junction box, providing the necessary magnetic field to the rotor. The rotor, rotatably mounted on one side of the stator via the shaft, together with the stator, constitutes the electromagnetic component of the motor. Furthermore, to enhance heat dissipation, many motors incorporate ventilation openings on the housing and are equipped with auxiliary cooling devices such as cooling fans to accelerate airflow and remove internal heat.

[0004] Existing motors still have some design flaws in their cooling fans. Particularly in terms of cleaning, because motors typically operate in complex and variable environments, cooling fans easily accumulate dust and debris, thus affecting their heat dissipation and operating efficiency. However, disassembling and cleaning existing motor cooling fans is often cumbersome, requiring specialized tools or a significant amount of time to remove them. Utility Model Content

[0005] In order to overcome the shortcomings of existing technical solutions, this utility model provides a motor that facilitates heat dissipation, which can effectively solve the technical problem of inconvenient cleaning of cooling fans.

[0006] The technical solution adopted by this utility model to solve its technical problem is:

[0007] A heat-dissipating motor includes a housing, a stator, a rotor, and a shaft. The stator is fixedly mounted inside the housing, and the rotor is rotatably mounted on the side of the stator away from the housing via the shaft. The axes of the stator, rotor, and shaft are all coincident. A junction box is provided on the side wall of the housing, and both the stator and rotor are electrically connected to the junction box. Heat dissipation vents are provided at both ends of the housing, and a heat dissipation duct is provided between the stator and rotor. A cooling fan and a connecting bracket are provided at one end of the housing. The cooling fan is rotatably mounted in the middle of the connecting bracket, and a transmission hole is provided in the middle of the cooling fan. Both ends of the shaft extend out of the outer side of the housing. One end of the shaft can be inserted into the transmission hole. The shaft is connected to the transmission hole via a limit key. A positioning claw hook is provided at the end of the connecting bracket near the housing. The positioning claw hook is located at the edge of the connecting bracket. A positioning groove is provided at the end of the housing near the connecting bracket. A sliding positioning block and a return spring are provided in the positioning groove. The two ends of the return spring are in contact with the positioning block and the positioning groove, respectively. An unlocking button is provided on the side wall of the positioning block. The unlocking button extends to the surface of the housing. The positioning claw hook can be inserted into the positioning groove and engage with the positioning block.

[0008] Furthermore, the outer casing consists of a front cover and a housing. The housing has a cavity for mounting the stator, and the opening of the cavity is located at the end of the housing away from the cooling fan. The junction box is located on the surface of the housing. The front cover is connected to the housing by bolts. Both the front cover and the housing have through holes for the shaft to pass through and vent holes for ventilation.

[0009] Furthermore, the housing is provided with a plurality of heat sinks, which are vertically and evenly distributed on the surface of the housing.

[0010] Furthermore, the junction box is provided with heat dissipation holes at both the end near the cooling fan and the end away from the cooling fan, and the two heat dissipation holes are aligned with each other.

[0011] Furthermore, the inner wall of the connecting bracket is provided with a rotating seat, and both ends of the cooling fan are mounted in the rotating seat via bearings.

[0012] Furthermore, the inner wall of the outer casing is provided with guide posts, and the side wall of the stator is provided with positioning grooves, which cooperate with the guide posts.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the cooling fan is installed on the outer shell through a connecting bracket, and the connecting bracket is detachably connected to the outer shell through a positioning claw hook. After pressing the unlock button, the positioning block slides in the positioning groove to avoid being displaced, so that the positioning claw hook can be inserted into the positioning groove. After the positioning claw hook is inserted into the positioning groove, the unlock button is released, and the positioning block and the positioning claw hook are engaged with each other under the action of the return spring, thereby preventing the connecting bracket from detaching from the outer shell. After pressing the unlock button again, the positioning block and the positioning claw hook are disengaged, so that the connecting bracket can be removed from the outer shell. After removing the connecting bracket, it is more convenient to clean the cooling fan. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a cross-sectional view of the present invention;

[0016] Figure 3 This is a schematic diagram of the positioning claw hook, positioning groove, positioning block and return spring in this utility model;

[0017] The following are the labels in the diagram: 1-Rotor, 2-Stator, 3-Shaft, 4-Front cover, 5-Housing, 6-Junction box, 7-Heat vent, 8-Cooling fan, 9-Connecting bracket, 10-Rotating seat, 11-Transmission hole, 12-Limit key, 13-Positioning claw hook, 14-Positioning groove, 15-Positioning block, 16-Reset spring, 17-Unlock button, 18-Heat fin. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0019] The following is combined Figures 1-3 A detailed description of a heat-dissipating motor according to this utility model is provided:

[0020] A heat-dissipating motor includes a housing, a stator 2, a rotor 1, and a shaft 3. The stator 2 is fixedly disposed inside the housing, and the rotor 1 is rotatably disposed on the side of the stator 2 away from the housing via the shaft 3. The axes of the stator 2, rotor 1, and shaft 3 are all coincident. A junction box 6 is provided on the side wall of the housing, and the stator 2 and rotor 1 are electrically connected to the junction box 6. A guide post is provided on the inner wall of the housing, and a positioning groove is provided on the side wall of the stator 2. The positioning groove and the guide post cooperate with each other to fix the stator 2 in the housing.

[0021] The outer casing has heat dissipation vents 7 at both ends, and a heat dissipation duct is provided between the stator 2 and the rotor 1. A cooling fan 8 and a connecting bracket 9 are provided at one end of the outer casing. The cooling fan 8 is rotatably mounted in the middle of the connecting bracket 9. A rotating seat 10 is provided on the inner wall of the connecting bracket 9. Both ends of the cooling fan 8 are mounted in the rotating seat 10 via bearings. A transmission hole 11 is provided in the middle of the cooling fan 8. Both ends of the rotating shaft 3 extend outwards from the outer side of the outer casing. One end of the rotating shaft 3 can be inserted into the transmission hole 11. The rotating shaft 3 is connected to the transmission hole via a limiting key 12. 11. Transmission connection: A positioning claw hook 13 is provided at one end of the connecting bracket 9 near the outer shell. The positioning claw hook 13 is located at the edge of the connecting bracket 9. A positioning groove 14 is provided at one end of the outer shell near the connecting bracket 9. A slidable positioning block 15 and a return spring 16 are provided in the positioning groove 14. The two ends of the return spring 16 are in contact with the positioning block 15 and the positioning groove 14, respectively. An unlocking button 17 is provided on the surface of the positioning block 15. The unlocking button 17 extends to the surface of the outer shell. The positioning claw hook 13 can be inserted into the positioning groove 14 and engage with the positioning block 15.

[0022] The outer casing consists of a front cover 4 and a housing 5. The housing 5 has a cavity for mounting the stator 2. The opening of the cavity is located at the end of the housing 5 away from the cooling fan 8. The junction box 6 is disposed on the surface of the housing 5. The front cover 4 is connected to the housing 5 by bolts. Both the front cover 4 and the housing 5 have through holes for the shaft 3 to pass through and vent holes for ventilation. The housing 5 is provided with a number of heat sinks 18, which are vertically and evenly distributed on the surface of the housing 5. The junction box 6 has heat dissipation holes at both the end near the cooling fan 8 and the end away from the cooling fan 8. The two heat dissipation holes are aligned with each other, and the heat inside the junction box 6 can be discharged from the heat dissipation holes during operation.

[0023] In this embodiment, a heat dissipation-friendly motor cooling fan 8 is mounted to the housing via a connecting bracket 9. The connecting bracket 9 is detachably connected to the housing via a positioning claw hook 13. After pressing the unlock button 17, the positioning block 15 slides within the positioning groove 14 to allow the positioning claw hook 13 to insert into the positioning groove 14. After the positioning claw hook 13 is inserted into the positioning groove 14, releasing the unlock button 17 causes the positioning block 15 to engage with the positioning claw hook 13 under the action of the return spring 16, thereby preventing the connecting bracket 9 from detaching from the housing. Pressing the unlock button 17 again... The rear positioning block 15 disengages from the positioning claw hook 13, allowing the connecting bracket 9 to be removed from the housing. Removing the connecting bracket 9 makes cleaning the cooling fan 8 easier. When the connecting bracket 9 is connected to the housing, the end of the rotating shaft 3 closest to the cooling fan 8 is inserted into the transmission hole 11. The rotating shaft 3 is connected to the transmission hole 11 via the limit key 12. After the motor starts, the rotor 1 rotates and drives the cooling fan 8 to rotate via the rotating shaft 3, causing the cooling fan 8 to draw in the ambient air with a lower temperature into the housing. After the air is drawn into the housing, it passes over the surfaces of the stator 2 and the rotor 1.

[0024] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A heat-dissipating motor, comprising a housing, a stator, a rotor, and a shaft, wherein the stator is fixedly disposed within the housing, and the rotor is rotatably disposed on the side of the stator away from the housing via the shaft, the axes of the stator, rotor, and shaft are all coincident, a junction box is disposed on the side wall of the housing, and the stator and rotor are electrically connected to the junction box, characterized in that: The outer casing has heat dissipation vents at both ends, and a heat dissipation duct is provided between the stator and rotor. One end of the outer casing has a cooling fan and a connecting bracket. The cooling fan is rotatably mounted in the middle of the connecting bracket, and a transmission hole is provided in the middle of the cooling fan. Both ends of the rotating shaft extend out of the outer casing, and one end of the rotating shaft can be inserted into the transmission hole. The rotating shaft is connected to the transmission hole via a limit key. A positioning claw hook is provided at the end of the connecting bracket near the outer casing, and the positioning claw hook is located at the edge of the connecting bracket. A positioning groove is provided at the end of the outer casing near the connecting bracket. A sliding positioning block and a return spring are provided in the positioning groove. The two ends of the return spring contact the positioning block and the positioning groove respectively. An unlocking button is provided on the side wall of the positioning block, and the unlocking button extends to the surface of the outer casing. The positioning claw hook can be inserted into the positioning groove and engage with the positioning block.

2. The heat-dissipating motor according to claim 1, characterized in that: The outer casing consists of a front cover and a housing. The housing has a cavity for mounting the stator. The opening of the cavity is located at the end of the housing away from the cooling fan. The junction box is located on the surface of the housing. The front cover is connected to the housing by bolts. Both the front cover and the housing have through holes for the shaft to pass through and vent holes for ventilation.

3. The heat-dissipating motor according to claim 2, characterized in that: The housing is provided with several heat sinks, which are vertically and evenly distributed on the surface of the housing.

4. The heat-dissipating motor according to claim 1, characterized in that: The junction box has ventilation holes at both the end closest to the cooling fan and the end furthest from the cooling fan, with the two ventilation holes aligned with each other.

5. A heat-dissipating motor according to any one of claims 1-4, characterized in that: The inner wall of the connecting bracket is provided with a rotating seat, and both ends of the cooling fan are mounted in the rotating seat through bearings.

6. A heat-dissipating motor according to any one of claims 1-4, characterized in that: The inner wall of the outer casing is provided with guide posts, and the side wall of the stator is provided with positioning grooves, which cooperate with the guide posts.

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