一种异步电机
By using slot and plug structure and long bolts for fixing in the asynchronous motor, the accuracy problem during the installation of the end cover and the housing is solved, and the installation steps are simplified and the sealing performance is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU JIU GENERATOR MFG CO LTD
- Filing Date
- 2025-08-26
- Publication Date
- 2026-07-17
AI Technical Summary
The existing asynchronous motors require high precision when installing end covers and housings, which can easily lead to errors, resulting in poor sealing and affecting motor performance.
The design employs a slot and plug structure, combined with long bolts for fixing, which simplifies the installation process and improves the fit accuracy and sealing performance.
It simplifies the installation process, improves the efficiency of motor assembly and maintenance, and ensures the stability and sealing of motor operation.
Smart Images
Figure CN224520822U_ABST
Abstract
Claims
1. An asynchronous motor, comprising a base (1) and a rotating shaft (4), wherein a stator (2) is built into the base (1), and a rotor (3) is provided on the peripheral wall of the rotating shaft (4), wherein windings (31) are embedded on the rotor (3), and the rotor (3) and the stator (2) are mounted inside the base (1), characterized in that: The base (1) has a front end (11) at one end and a rear end (12) at the other end away from the front end (11). The outer peripheral wall of the front end (11) has at least one first slot (13) and the outer peripheral wall of the rear end (12) has at least one second slot (14). The front end (11) has a front end cover (5) on one side and the rear end (12) has a rear end cover (6) on one side. The inner peripheral wall of the front cover (5) is provided with a first insert (51) that matches the first slot (13). The front cover (5) is movably connected to the first slot (13) by inserting the first insert (51) into the first slot (13). The inner peripheral wall of the rear end cover (6) is provided with a second insert (61) that matches the second slot (14). The rear end cover (6) is movably connected to the second end cover (6) by inserting the second insert (61) into the second slot (14).
2. An asynchronous electric machine according to claim 1, characterized in that: The front end cover (5) and the rear end cover (6) are provided with fasteners (7) on their outer peripheral walls. Multiple fasteners (7) are evenly distributed in the circumferential direction. The fasteners (7) are provided with threaded holes (71) and long bolts (72) are threaded into the threaded holes (71).
3. An asynchronous electric machine according to claim 2, characterized in that: A bearing (41) is provided on the outer peripheral wall of the rotating shaft (4), and the bearing (41) is located at the connection between the rotating shaft (4) and the base (1).
4. An asynchronous electric machine according to claim 1, characterized in that: A fan (42) is provided at one end of the rotating shaft (4), and the blades of the fan (42) are designed at an angle. The fan (42) is located on one side of the rear end (12).
5. An asynchronous electric machine according to claim 4, characterized in that: A fan cover (62) is provided on the end face of the rear cover (6), and a ventilation channel is formed between the fan (42) and the fan cover (62).
6. An asynchronous electric machine according to claim 1, characterized in that: The base (1) has multiple heat dissipation fins (15) arranged on its outer peripheral wall. The heat dissipation fins (15) are arranged axially. The base (16) is symmetrically arranged at the bottom of the base (1).
7. An asynchronous electric machine according to claim 1, characterized in that: Both the first slot (13) and the second slot (14) are L-shaped.