speed-regulated gear box motor
By connecting a gearbox to the output shaft of the speed-regulating gearbox motor and coaxially connecting a load fan to the rear end of the motor, and adjusting the speed using a speed control switch, the problem of poor heat dissipation in high-temperature environments is solved, and effective cooling of the motor and gearbox is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI JAKEL ELECTRIC MASCH CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-06-19
AI Technical Summary
Existing speed-regulating gearbox motors mainly rely on the outer casing for heat dissipation, which is ineffective in high-temperature environments and cannot effectively reduce temperature.
A gearbox is connected to the output shaft of the motor, and a load fan is coaxially connected to the rear end of the motor. The speed of the motor and the fan is adjusted by a speed control switch to cool the motor and the gearbox.
It effectively solves the heat dissipation problem of speed-regulating gearbox motors in high-temperature environments, achieving simultaneous cooling of both the motor and the gearbox.
Smart Images

Figure CN224385264U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of this utility model relate to an electric motor, and more particularly to a speed-regulating gearbox motor. Background Technology
[0002] In existing technologies, speed-regulating gearbox motors mainly rely on the outer casing for heat dissipation. However, when the ambient temperature is high, relying solely on the outer casing for heat dissipation is insufficient, and cooling of the speed-regulating gearbox and motor is necessary. Utility Model Content
[0003] The purpose of this invention is to provide a speed-regulating gearbox motor that can cool down the speed-regulating gearbox and the motor.
[0004] To achieve the above objectives, the present invention provides a speed-regulating gearbox motor, comprising:
[0005] Electric motor;
[0006] A gearbox is connected to the output shaft of the motor.
[0007] A load fan is coaxially connected to the rear end of the motor.
[0008] A speed control switch is connected to the motor; the speed control switch adjusts the speed of the motor; the load fan simultaneously cools the motor and the gearbox.
[0009] Furthermore, in the speed-regulating gearbox motor described in this utility model, the motor further includes:
[0010] One end of the motor shaft is fixedly connected to the center of the load fan;
[0011] The upper end cover is movably connected to one end of the motor shaft on one side of the load fan;
[0012] The rotor is fixed on the motor shaft;
[0013] Component C, the rotor passes through the central hole of Component C;
[0014] Component I is fixed below component C by a snap-fit structure;
[0015] A coil assembly, wherein the I assembly is inserted into a hole in the coil assembly;
[0016] The lower end cover is movably connected to the other end of the motor shaft.
[0017] Furthermore, in the speed-regulating gearbox motor described in this utility model, the gearbox further includes:
[0018] The gearbox housing is bolted to the C assembly of the motor;
[0019] A gear shaft assembly, with one end of the gear shaft assembly fixed inside the gearbox housing;
[0020] A gear set, movably connected to the gear shaft set;
[0021] An output gear, which meshes with the output gear on the gear set;
[0022] An output shaft is fixed at the center position of the output gear.
[0023] A first output shaft bushing is fixed in a first bushing hole on the gearbox housing at one end of the output shaft.
[0024] The second output shaft sleeve is fixed on the other end of the output shaft;
[0025] The gearbox cover plate is used to fix the second output shaft bushing in the second bushing hole on the gearbox cover plate.
[0026] Furthermore, in the speed-regulating gearbox motor described in this utility model, a fixing column is provided between the motor and the gearbox.
[0027] Furthermore, in the speed-regulating gearbox motor described in this utility model, the load fan rotates via the motor shaft.
[0028] Furthermore, in the speed-regulating gearbox motor described in this utility model, one side of the load fan is configured as a curved surface.
[0029] Furthermore, in the speed-regulating gearbox motor described in this utility model, the speed-regulating switch is an analog speed-regulating switch.
[0030] Furthermore, in the speed-regulating gearbox motor described in this utility model, the gear set rotates around the gear shaft set.
[0031] Furthermore, in the speed-regulating gearbox motor described in this utility model, the gear set is a reduction gear set.
[0032] Furthermore, in the speed-regulating gearbox motor described in this utility model, the gearbox housing and the gearbox cover plate are fixed together as a single housing by screws.
[0033] Compared with the prior art, the embodiment of this utility model adopts a method of connecting a gearbox to the output shaft of the motor;
[0034] A load fan is coaxially connected to the rear end of the motor; a speed control switch is connected to the motor; the speed control switch adjusts the speed of the motor and the load fan; the load fan simultaneously cools the motor and the gearbox; this achieves the ability to cool the speed-regulating gearbox and the motor, solving the technical problem that in the prior art, the speed-regulating gearbox motor mainly relies on the outer casing for heat dissipation, but when the external ambient temperature is high, heat dissipation by the outer casing alone is no longer sufficient, and cooling of the speed-regulating gearbox and the motor is required. Attached Figure Description
[0035] Figure 1 This is a schematic diagram of the structure of this utility model;
[0036] Figure 2 for Figure 1 A schematic diagram of the explosion structure. Detailed Implementation
[0037] To make the objectives, technical solutions, and advantages of this utility model clearer, the various embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this utility model to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.
[0038] The first embodiment of this utility model relates to a speed-regulating gearbox motor, such as... Figure 1 and Figure 2 As shown, it includes:
[0039] Motor 100 provides power to the high-speed gearbox motor in this embodiment;
[0040] A gearbox 200 is connected to the output shaft of the motor 100; the gearbox 200 mainly serves to reduce speed.
[0041] The load fan 1 is coaxially connected to the rear end of the motor 100; the load fan 1 mainly serves the function of heat dissipation.
[0042] A speed control switch 7 is connected to the motor 100; the speed control switch 7 adjusts the speed of the motor 100; the load fan 1 simultaneously cools both the motor 100 and the gearbox 200. When the speed control switch 7 adjusts the speed of the motor 100, it also changes the speed of the load fan 1; this achieves cooling of both the gearbox 200 and the motor 100, solving the technical problem that in the prior art, the speed-regulating gearbox motor mainly relies on the casing for heat dissipation, but when the external ambient temperature is high, heat dissipation by the casing alone is insufficient, necessitating cooling of both the speed-regulating gearbox and the motor.
[0043] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, motor 100 also includes:
[0044] One end of the motor shaft 4 is fixedly connected to the center of the load fan 1; the motor shaft 4 enables the motor 100 and the load fan 1 to share the same motor shaft 4 for driving.
[0045] On one side of the load fan 1, an upper end cover 3 is movably connected to one end of the motor shaft 4; the upper end cover 3 and the lower end cover 10 form the housing of the motor 100.
[0046] The rotor 5 is fixed on the motor shaft 4; the rotor 5 and the motor shaft 4 constitute a rotating component.
[0047] The rotor 5 passes through the center hole of component C 9; the rotor 5 passes through component C 9 and is energized through coil component 6.
[0048] Component I 8 is fixed below component C 9 by a snap-fit structure;
[0049] Component 8 is inserted into the hole on coil assembly 6;
[0050] The lower end cover 10 is movably connected to the other end of the motor shaft 4.
[0051] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, the gearbox 200 also includes:
[0052] The gearbox housing 11 is fixed to the C assembly 9 of the motor 100 by bolts 2; the gearbox housing 11 and the gearbox cover plate 19 constitute the housing of the gearbox 200.
[0053] One end of the gear shaft assembly 13 is fixed inside the gearbox housing 11;
[0054] Gear set 14 is movably connected to gear shaft set 13; gear shaft set 13 and gear set 14 constitute a speed reduction mechanism.
[0055] The output gear 16 meshes with the gear set 14; the output gear 16 and the output shaft 17 form an output structure to output power.
[0056] The output shaft 17 is fixed at the center position of the output gear 16;
[0057] At one end of the output shaft 17, a first output shaft sleeve 15 is fixed in the first sleeve hole 151 on the gearbox housing 11; the first output shaft sleeve 15 and the second output shaft sleeve 18 are used to support the output shaft 17, and play a role similar to a bearing.
[0058] A second output shaft sleeve 18 is fixed to the other end of the output shaft 17;
[0059] The second output shaft sleeve 18 is fixed in the second sleeve hole 191 on the gearbox cover plate 19.
[0060] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, a fixing post 101 is provided between the motor 100 and the gearbox 200. The fixing post 101 serves as a spacer.
[0061] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, the load fan 1 rotates via the motor shaft 4. This creates a linkage effect and simplifies the structure.
[0062] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, one side of the load fan 1 is curved. This is mainly to reduce the drag coefficient of the load fan 1 and reduce energy consumption.
[0063] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, speed control switch 7 is an analog speed control switch. It can achieve stepless speed regulation of motor 100.
[0064] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, gear set 14 rotates around gear shaft set 13.
[0065] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, gear set 14 is a reduction gear set.
[0066] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, the gearbox housing 11 and the gearbox cover plate 19 are fixed together as a housing by screws 20.
[0067] To address the aforementioned technical issues, the speed-regulating gearbox motor in this embodiment, such as... Figure 1 and Figure 2 As shown, coil assembly 6 and I assembly 8 are mounted together with an interference fit; C assembly 9 and I assembly 8 are mounted together with an interference fit; rotor 5 and motor shaft 4 are mounted together with an interference fit; rotor 5 and C assembly 9 are mounted together with a clearance fit; upper end cover 3, C assembly 9, and lower end cover 10 are fixed by screw group 1 and 2; load fan 1 is fixed to motor shaft 4 with an interference fit; gear shaft group 13 is fixed to gearbox housing 11 with an interference fit; and screw group 2 is used to fix the upper end cover 3, C assembly 9, and lower end cover 10. 12. Fix the lower end cover 10 and the gearbox housing 11. The gear set 14 is installed on the gear shaft set 13 with clearance fit. The output gear 16 and the output shaft 17 are fixed together with interference fit. The output shaft sleeve 15 is installed on the output shaft 17 with clearance fit. The output shaft sleeve 2 is fixed on the gearbox cover plate 19 with interference fit. The output shaft 17 and the output shaft sleeve 2 are installed together with clearance fit. The gearbox cover plate 19 and the gearbox housing 11 are fixed together with screws by the screw set 3. The speed control switch 7 can be connected to the coil assembly 6.
[0068] like Figure 2 As shown, when the motor 100 is energized, it generates rotational force, which is transmitted to the output shaft 17 through the reduction gear set inside the gearbox 200 to achieve the rated torque and speed. The speed control switch 7, connected to the motor 100, allows adjustment of the motor 100's rotational speed, correspondingly adjusting the torque and speed of the gearbox 200's output shaft. When the speed control switch 7 adjusts the speed of the motor 100, it also changes the speed of the load fan 1; thus achieving cooling of both the gearbox 200 and the motor 100.
[0069] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes can be made to them in form and detail without departing from the spirit and scope of the present invention.
Claims
1. A speed-regulating gearbox motor, characterized in that, include: Electric motor; A gearbox is connected to the output shaft of the motor. A load fan is coaxially connected to the rear end of the motor. A speed control switch is connected to the motor; the speed control switch adjusts the speed of the motor; the load fan simultaneously cools the motor and the gearbox.
2. The speed-regulating gearbox motor according to claim 1, characterized in that, The motor also includes: One end of the motor shaft is fixedly connected to the center of the load fan; The upper end cover is movably connected to one end of the motor shaft on one side of the load fan; The rotor is fixed on the motor shaft; Component C, the rotor passes through the central hole of Component C; Component I is fixed below component C by a snap-fit structure; A coil assembly, wherein the I assembly is inserted into a hole in the coil assembly; The lower end cover is movably connected to the other end of the motor shaft.
3. The speed-regulating gearbox motor according to claim 1, characterized in that, The gearbox further includes: The gearbox housing is bolted to the C assembly of the motor; A gear shaft assembly, with one end of the gear shaft assembly fixed inside the gearbox housing; A gear set, movably connected to the gear shaft set; An output gear, which meshes with the output gear on the gear set; An output shaft is fixed at the center position of the output gear. A first output shaft bushing is fixed in a first bushing hole on the gearbox housing at one end of the output shaft. The second output shaft sleeve is fixed on the other end of the output shaft; The gearbox cover plate is used to fix the second output shaft bushing in the second bushing hole on the gearbox cover plate.
4. The speed-regulating gearbox motor according to claim 1, characterized in that, A fixing column is provided between the motor and the gearbox.
5. The speed-regulating gearbox motor according to claim 1, characterized in that, The load fan rotates via a motor shaft.
6. The speed-regulating gearbox motor according to claim 1, characterized in that, One side of the load fan is configured as a curved surface.
7. The speed-regulating gearbox motor according to claim 1, characterized in that, The speed control switch mentioned is an analog speed control switch.
8. The speed-regulating gearbox motor according to claim 3, characterized in that, The gear set rotates around the gear shaft set.
9. The speed-regulating gearbox motor according to claim 8, characterized in that, The gear set mentioned is a reduction gear set.
10. The speed-regulating gearbox motor according to claim 3, characterized in that, The gearbox housing and the gearbox cover are fixed together as a single housing by screws.