A servo motor heat dissipation housing with a spiral airflow duct
The servo motor heat dissipation housing, designed with a spiral airflow duct and telescopic bracket, solves the problems of poor heat dissipation and reliance on external brackets for installation of traditional servo motors, achieving efficient heat dissipation and flexible installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG SHUNRUI ELECTRIC CO LTD
- Filing Date
- 2025-08-14
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional servo motor housings have poor heat dissipation, resulting in severe overheating and magnetic degradation after long-term use. Additionally, they require extra supports for installation and fixation.
It adopts a spiral airflow duct design and a telescopic mounting bracket. The airflow flows along the spiral path to extend the heat exchange time and increase the heat dissipation area. The heat dissipation is enhanced by built-in spiral fins and fans. Combined with the telescopic bracket, it can adapt to a variety of installation environments.
Significantly improves heat dissipation efficiency, extends motor lifespan, reduces reliance on external brackets, and adapts to various installation scenarios.
Smart Images

Figure CN224438649U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of servo motor housing technology, and in particular to a servo motor heat dissipation housing with a spiral airflow duct. Background Technology
[0002] An electric motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. Its main function is to generate driving torque, serving as a power source for electrical appliances or various machines. A servo motor, on the other hand, is an engine that controls the operation of mechanical components in a servo system; it is an auxiliary motor with indirect speed control. Servo motors can control speed and position with very high accuracy, converting voltage signals into torque and speed to drive the controlled object. The rotor speed of a servo motor is controlled by the input signal and can respond quickly. In automatic control systems, it is used as an actuator and has characteristics such as a small electromechanical time constant, high linearity, and low starting voltage. It can convert received electrical signals into angular displacement or angular velocity output on the motor shaft. Servo motors can also be divided into two main categories: DC and AC servo motors. Their main characteristics are: no self-rotation when the signal voltage is zero, and the speed decreases uniformly as the torque increases.
[0003] Traditional servo motor housings are typically one-piece designs without a cooling fan, resulting in poor heat dissipation. Furthermore, due to their high power, inadequate heat dissipation leads to severe overheating after prolonged use, and eventually, magnetic degradation. Additionally, existing servo motors are relatively heavy, requiring additional supports for installation and fixation. To address these technical problems, this application proposes a servo motor cooling housing with a spiral airflow duct. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a servo motor heat dissipation housing with a spiral airflow duct. The motor housing adopts a spiral airflow duct design, which allows airflow to flow along a spiral path, effectively extending the heat exchange time and improving heat dissipation efficiency. In addition, the innovative telescopic mounting bracket design further enhances the motor's adaptability to diverse operating environments.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A servo motor heat dissipation housing with a spiral airflow duct includes a mounting shell, a heat dissipation assembly mounted on the rear side of the mounting shell, a fixing shell mounted on the rear side of the heat dissipation assembly, a button on the bottom side of the fixing shell, a bracket assembly on the top side of the button, a bottom shell fixedly connected to the rear side of the fixing shell, a bearing on the inner wall of the mounting shell, a rotating shaft on the inner wall of the bearing, a stator housing mounted on the outer wall of the bearing, spiral fins fixedly connected to the stator housing, a drive module on the rear wall of the stator housing, a connection interface on the top side of the drive module, and a fan on the rear side of the drive module.
[0007] Furthermore, the heat dissipation assembly includes a heat dissipation layer installed on the rear side of the mounting shell. Heat dissipation grooves are provided on the upper and lower outer walls of the heat dissipation layer, heat dissipation grilles are provided on the left and right outer walls of the heat dissipation layer, spiral grooves are provided on the inner wall of the heat dissipation layer, and ventilation channels are provided on the left and right inner walls of the heat dissipation layer.
[0008] Furthermore, the bracket assembly includes a rack one fixedly connected to the top side of the button, a gear meshing with the top side of the rack one, a rack two meshing with the top side of the gear, and fixing brackets two fixedly connected to both sides of the rack one and rack two. A connecting rod is fixedly connected to the outer wall of the top side of each of the two fixing brackets two, and a fixing bracket one is fixedly connected to the top of the connecting rod.
[0009] Furthermore, both the first and second fixing brackets are provided with threaded holes at their ends, and the first and second fixing brackets are slidably connected to both sides of the fixing shell.
[0010] Furthermore, mounting holes are provided on the inner walls of the mounting shell, heat dissipation layer, and fixing shell, and bolts are provided on the outer walls of the mounting holes.
[0011] Furthermore, an air intake grille is fixedly connected to the rear side of the bottom shell, and the fan is mounted on the inner wall of the bottom shell via a bracket.
[0012] Furthermore, the outer wall of the drive module is mounted on the inner wall of the fixed housing via a fixed bracket, and the top of the fixed housing is connected to the connection interface.
[0013] This utility model has the following beneficial effects:
[0014] 1. In this utility model, the motor housing adopts a spiral airflow duct design, which allows the airflow to flow along the spiral path, effectively extending the heat exchange time and improving the heat dissipation efficiency. At the same time, spiral heat dissipation fins are added to the stator housing, which significantly expands the heat dissipation surface area and enhances the air convection effect.
[0015] 2. In this utility model, the motor housing adopts a built-in telescopic mounting bracket design, which reduces the dependence on external brackets. The telescopic mounting bracket can be installed and fixed in most usage scenarios, enabling the motor to cope with a variety of usage environments. Attached Figure Description
[0016] Figure 1 This is a perspective view of a servo motor heat dissipation housing with a spiral airflow duct proposed in this utility model.
[0017] Figure 2 This is a bottom structural diagram of a servo motor heat dissipation housing with a spiral airflow duct proposed in this utility model.
[0018] Figure 3 This is an internal structural diagram of a servo motor heat dissipation housing with a spiral airflow duct proposed in this utility model.
[0019] Figure 4 This utility model provides a fan installation position diagram for a servo motor heat dissipation housing with a spiral airflow duct.
[0020] Figure 5 This is a schematic diagram of a heat dissipation assembly for a servo motor heat dissipation housing with a spiral airflow duct, as proposed in this utility model.
[0021] Figure 6 This is a schematic diagram of a support assembly for a servo motor heat dissipation housing with a spiral airflow duct, as proposed in this utility model.
[0022] Legend:
[0023] 1. Mounting housing; 2. Mounting hole; 3. Heat dissipation layer; 4. Heat dissipation groove; 5. Heat dissipation grille; 6. Fixing housing; 7. Fixing bracket one; 8. Connection interface; 9. Bottom housing; 10. Bearing; 11. Rotating shaft; 12. Button; 13. Air intake grille; 14. Bolt; 15. Stator housing; 16. Spiral fin; 17. Spiral groove; 18. Fan; 19. Ventilation duct; 20. Rack one; 21. Gear; 22. Rack two; 23. Connecting rod; 24. Drive module; 25. Fixing bracket two; 26. Threaded hole. Detailed Implementation
[0024] 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.
[0025] Reference Figures 1-2This utility model provides an embodiment of a servo motor heat dissipation housing with a spiral airflow duct, including a mounting shell 1 for fixing the internal structure of the motor, a heat dissipation assembly mounted on the rear side of the mounting shell 1 for motor heat dissipation, a fixing shell 6 mounted on the rear side of the heat dissipation assembly, a button 12 provided on the bottom side of the fixing shell 6, a bracket assembly provided on the top side of the button 12, and the fixing shell 6 controls the extension and retraction of the bracket assembly through the bottom button 12, thereby facilitating the installation of the motor. A bottom shell 9 is fixedly connected to the rear side of the fixing shell 6 for fixing the internal fan 18, and a bearing 10 is provided on the inner wall of the mounting shell 1. A rotating shaft 11 is provided, which is driven to rotate by the rotor inside the motor. A stator housing 15 is installed on the outer wall of the bearing 10 to fix the stator inside the motor. Spiral fins 16 are fixedly connected to the stator housing 15 to increase the heat dissipation area. A drive module 24 is provided on the rear wall of the stator housing 15. The drive module 24 includes the motor brake and encoder, and is connected to the fan 18 through a line. A connection interface 8 is provided on the top side of the drive module 24. The connection interface 8 is used to connect external devices to power the motor and set data. A fan 18 is provided on the rear side of the drive module 24 to draw in external air.
[0026] Reference Figures 3-4 Mounting holes 2 are provided on the inner walls of the mounting shell 1, heat dissipation layer 3 and fixing shell 6. Bolts 14 are provided on the outer walls of the mounting holes 2. The mounting shell 1, heat dissipation layer 3 and fixing shell 6 can be assembled and fixed by bolts 14. An air intake grille 13 is fixedly connected to the rear side of the bottom shell 9 to block dust and debris and prevent damage to the motor. The fan 18 is mounted on the inner wall of the bottom shell 9 by a bracket. The outer wall of the drive module 24 is mounted on the inner wall of the fixing shell 6 by a fixed bracket. The top of the fixing shell 6 is connected to the connection interface 8.
[0027] Reference Figures 5-6 The heat dissipation assembly includes a heat dissipation layer 3 installed on the rear side of the mounting shell 1. Heat dissipation grooves 4 are provided on the upper and lower outer walls of the heat dissipation layer 3, and heat dissipation grilles 5 are provided on the left and right outer walls of the heat dissipation layer 3. Spiral grooves 17 are provided on the inner wall of the heat dissipation layer 3, and ventilation channels 19 are provided on the left and right inner walls of the heat dissipation layer 3. After the airflow is blown into the motor through the fan 18, it will enter the inner wall of the heat dissipation layer 3. The spiral grooves 17 on the inner wall of the heat dissipation layer 3 will cause the airflow to flow along the spiral path, carrying away the heat of the spiral fins 16, thereby prolonging the heat exchange time and improving the heat dissipation efficiency. Then the hot air flows to both sides of the heat dissipation layer 3 through the ventilation channels 19 and is discharged through the heat dissipation grilles 5. At the same time, the heat dissipation grooves 4 can cool the outer shell of the heat dissipation layer 3.
[0028] The bracket assembly includes a rack 20 fixedly connected to the top of the button 12, a gear 21 meshing with the top of the rack 20, and a rack 22 meshing with the top of the gear 21. Fixing brackets 25 are fixedly connected to both sides of the rack 20 and rack 22. Connecting rods 23 are fixedly connected to the outer top walls of both fixing brackets 25. A fixing bracket 7 is fixedly connected to the top of the connecting rods 23. Threaded holes 26 are provided at the ends of both fixing brackets 7 and 25. Fixing brackets 7 and 25 are slidably connected to both sides of the fixed housing 6. The sliding button 12 moves the rack 20, causing the gear 21 to rotate, which in turn moves the rack 22. The movement of the racks 20 and 22 pushes the fixing bracket 25 out of the inner wall of the fixed housing 6. Simultaneously, the connecting rods 23 push the fixing bracket 7 out of the inner wall of the fixed housing 6. The motor is then installed through the threaded holes 26.
[0029] Working principle: When the motor is in use, the user slides button 12, which moves rack 20, thereby rotating gear 21, which in turn moves rack 22. The movement of racks 20 and 22 pushes the fixing bracket 25 out of the inner wall of the fixing housing 6. Simultaneously, the connecting rod 23 pushes the fixing bracket 7 out of the inner wall of the fixing housing 6. The motor is then installed through threaded hole 26. The data cable is then inserted into connection interface 8 to set the data for drive module 24 and start the motor. After the motor starts, fan 18 rotates. Forced airflow enters through the air intake grille 13, passes through the spiral fins 16 on the outer wall of the stator housing 15, and is blown towards the spiral grooves 17. The spiral fins 16 carry away the heat from the stator and expand the heat dissipation area. Subsequently, the spiral grooves 17 on the inner wall of the heat dissipation layer 3 cause the airflow to flow along the spiral path, thereby prolonging the heat exchange time and improving the heat dissipation efficiency. Then, the hot air flows to both sides of the heat dissipation layer 3 through the ventilation duct 19 and is discharged through the heat dissipation grille 5. At the same time, the heat dissipation grooves 4 can cool the outer shell of the heat dissipation layer 3, so that the motor can work for a long time.
[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A servo motor heat sink housing having a helical duct, characterized by: The system includes a mounting shell (1), a heat dissipation assembly is mounted on the rear side of the mounting shell (1), a fixed shell (6) is mounted on the rear side of the heat dissipation assembly, a button (12) is provided on the bottom side of the fixed shell (6), a bracket assembly is provided on the top side of the button (12), a bottom shell (9) is fixedly connected to the rear side of the fixed shell (6), a bearing (10) is provided on the inner wall of the mounting shell (1), a rotating shaft (11) is provided on the inner wall of the bearing (10), a stator housing (15) is mounted on the outer wall of the bearing (10), a spiral fin (16) is fixedly connected to the stator housing (15), a drive module (24) is provided on the rear wall of the stator housing (15), a connection interface (8) is provided on the top side of the drive module (24), and a fan (18) is provided on the rear side of the drive module (24).
2. The servo motor heat sink housing with helical duct according to claim 1, wherein: The heat dissipation assembly includes a heat dissipation layer (3) installed on the rear side of the mounting shell (1). The heat dissipation layer (3) has heat dissipation grooves (4) on both the upper and lower outer walls, heat dissipation grilles (5) on both the left and right outer walls, spiral grooves (17) on the inner wall, and ventilation channels (19) on both the left and right inner walls.
3. A servo motor heat dissipation housing with a spiral airflow duct according to claim 1, characterized in that: The bracket assembly includes a rack one (20) fixedly connected to the top side of the button (12), a gear (21) meshing with the top side of the rack one (20), a rack two (22) meshing with the top side of the gear (21), a fixing frame two (25) fixedly connected to both sides of the rack one (20) and the rack two (22), a connecting rod (23) fixedly connected to the top outer wall of the two fixing frames two (25), and a fixing frame one (7) fixedly connected to the top of the connecting rod (23).
4. A servo motor heat dissipation housing with a spiral airflow duct according to claim 3, characterized in that: Both the first (7) and the second (25) of the fixing frame are provided with threaded holes (26) at their ends, and the first (7) and the second (25) of the fixing frame are slidably connected to both sides of the fixing shell (6).
5. A servo motor heat dissipation housing with a spiral airflow duct according to claim 1, characterized in that: The mounting shell (1), heat dissipation layer (3) and fixing shell (6) are all provided with mounting holes (2) on their inner walls, and bolts (14) are provided on the outer walls of the mounting holes (2).
6. A servo motor heat dissipation housing with a spiral airflow duct according to claim 1, characterized in that: An air intake grille (13) is fixedly connected to the rear side of the bottom shell (9), and the fan (18) is installed on the inner wall of the bottom shell (9) by a bracket.
7. A servo motor heat dissipation housing with a spiral airflow duct according to claim 1, characterized in that: The outer wall of the drive module (24) is mounted on the inner wall of the fixed shell (6) by a fixed bracket, and the top of the fixed shell (6) is connected to the connection interface (8).