电机以及风扇
By incorporating a tail gearbox, shaft, vertical gear, helical gear, and oscillating assembly into the fan design, the problem of high noise from the tail gearbox drive is solved, resulting in a significant reduction in noise and an improved user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GREE ELECTRIC APPLIANCE INC OF ZHUHAI
- Filing Date
- 2025-07-07
- Publication Date
- 2026-07-17
AI Technical Summary
The existing fan's tail gearbox drive is too noisy, affecting the user experience.
The design employs a tail gear box, shaft, vertical gear, helical gear, and oscillating assembly. Through the meshing of the helical gear and the shaft, the vertical gear achieves progressive and smooth transmission, reducing the impact and vibration between the teeth.
It significantly reduces transmission noise and improves the user experience.
Smart Images

Figure CN224520865U_ABST
Abstract
Claims
1. An electric machine characterized in that, The motor includes: End gear box (10); A rotating shaft (20) extending along a first direction (X) is rotatably inserted into the tail gear box (10); A vertical gear (30) passes through the tail gear box (10) along the second direction (Z); the first direction (X) and the second direction (Z) are intersected. A helical gear (40) meshes with the shaft (20) to drive the vertical gear (30) to rotate about its own axis (30a); And the swing assembly (50) is able to rotate with the rotation of the vertical gear (30).
2. The electric machine of claim 1, wherein, The helical gear (40) is coaxially sleeved on the vertical gear (30), and the two are circumferentially fixed; The outer periphery of the helical gear (40) is formed with helical teeth (41), and a section of the shaft (20) passing through the tail gear box (10) is provided with an external thread (21) that is compatible with the helical teeth (41).
3. The electric machine of claim 1, wherein, The vertical gear (30) includes a housing (34), a first section (31), a second section (32), and a third section (33) connected sequentially along the second direction (Z); The first section (31) is at least partially located outside the tail gear box (10); The outer casing (34) is coaxially sleeved outside the second section (32), and the helical gear (40) is coaxially sleeved on the outer casing (34); At least one set of transmission gears (331) are formed on the third section (33) for meshing with the swing assembly (50).
4. The electric machine of claim 3, wherein, The vertical gear (30) includes an elastic element (35) and two retaining balls (36); the elastic element (35) extends laterally through the second section (32), and the two retaining balls (36) are respectively disposed at both ends of the elastic element (35) and abut against the inner wall of the outer shell (34).
5. The electric machine of claim 4, wherein, The inner wall of the outer casing (34) has crisscrossing raised ribs (341).
6. The electric machine of claim 3, wherein, Two sets of spaced transmission gears (331) are formed on the third section (33); the vertical gear (30) has a first position, a second position and a third position distributed sequentially along the second direction (Z) on the tail gear box (10); When the vertical gear (30) is in the first position, all the transmission gears (331) are separated from the swing assembly (50); When the vertical gear (30) is in the second position, one set of the transmission gears (331) meshes with the oscillating assembly (50); When the vertical gear (30) is in the third position, another set of transmission gears (331) meshes with the oscillating assembly (50).
7. The electric machine of claim 3, wherein, The tail gear box (10) has a first rotating groove, and the third section (33) is rotatably embedded in the first rotating groove.
8. The electric machine of any one of claims 1 to 7, characterized in that The helical gear (40) is an alternating axis bevel gear or an alternating axis arc tooth bevel gear.
9. The electric machine of any one of claims 1 to 7, characterized in that The oscillating assembly (50) includes a disc gear (51) and a balance wheel (52). The disc gear (51) is fixed inside the balance wheel (52). The bottom end of the vertical gear (30) along the second direction (Z) meshes with the disc gear (51) to drive the balance wheel (52) to rotate around the axis (30a) of the vertical gear (30).
10. The electric machine of claim 9, wherein, A second rotating groove is formed inside the tail gear box (10), and the disc gear (51) is rotatably embedded in the second rotating groove.
11. A fan, characterized by Includes the motor as described in any one of claims 1 to 10.