一种电驱总成壳体

By integrating the drive motor, motor controller, and differential into a single molded electric drive assembly housing, the problems of high failure rate and insufficient space utilization caused by the separate assembly of existing electric drive assembly components are solved, achieving efficient component integration and high performance reliability.

CN224520816UActive Publication Date: 2026-07-17SICHUAN JIANAN IND

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN JIANAN IND
Filing Date
2025-04-08
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing electric drive assemblies suffer from high failure rates and abnormal noises due to the separate assembly of components, and also result in insufficient space utilization.

Method used

The electric drive assembly housing is made of one piece, which integrates the drive motor housing, motor controller housing, differential support cavity and main reducer housing into one piece. It is made of low pressure or gravity casting and uses cast iron or cast steel materials to reduce connection structure and assembly errors.

Benefits of technology

It achieves a high degree of component integration, reduces failure rate and abnormal noise, reduces material and labor costs, improves transmission efficiency and space utilization, and ensures reliable performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

一种电驱总成壳体,包括驱动电机壳体,所述驱动电机壳体上端设置电机控制器壳体,驱动电机壳体的下端设置差速器支撑腔体,驱动电机壳体的右端设置主减速器壳体,所述驱动电机壳体、电机控制器壳体、差速器支撑腔体以及主减速器壳体为一体成型,所述驱动电机壳体与电机控制器壳体的连接处的后端设置进水口,驱动电机壳体与电机控制器壳体的连接处的前端设置出水口,驱动电机壳体与主减速器壳体连接处的前端下部设置电机通气塞孔,驱动电机壳体的左端端面设置水道入口,主减速器壳体的右端上部设置主减通气塞孔,所述差速器支撑腔体的左端设置电驱桥左桥管接口,差速器支撑腔体的右端设置电驱桥右桥管接口。
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Claims

1. An electric drive assembly housing, comprising a drive motor housing (16), wherein a motor controller housing (11) is disposed at the upper end of the drive motor housing (16), a differential support cavity (18) is disposed at the lower end of the drive motor housing (16), and a main reducer housing (8) is disposed at the right end of the drive motor housing (16), characterized in that: The drive motor housing (16), motor controller housing (11), differential support cavity (18), and main reducer housing (8) are integrally formed. A water inlet (10) is provided at the rear end of the connection between the drive motor housing (16) and the motor controller housing (11), and a water outlet (3) is provided at the front end of the connection between the drive motor housing (16) and the motor controller housing (11). A motor passage is provided at the lower front end of the connection between the drive motor housing (16) and the main reducer housing (8). The air plug hole (5) is provided on the left end face of the drive motor housing (16), the main reducer air plug hole (2) is provided on the upper right end of the main reducer housing (8), the left end of the differential support cavity (18) is provided with the electric drive bridge left bridge tube interface (4), the right end of the differential support cavity (18) is provided with the electric drive bridge right bridge tube interface (1), and the centers of the electric drive bridge left bridge tube interface (4), the electric drive bridge right bridge tube interface (1) and the differential support cavity (18) are located on the same axis.

2. The electric drive assembly housing of claim 1, wherein: The circumference of the left bridge tube interface (4) of the electric drive bridge is provided with multiple left bridge tube welding holes (17).

3. The electric drive assembly housing of claim 1, wherein: The circumference of the right bridge tube interface (1) of the electric drive bridge is provided with multiple right bridge tube welding holes (12).

4. The electric drive assembly housing of claim 1, wherein: The upper end of the motor controller housing (11) is provided with a motor controller end cover interface (13) which is connected and fixed to the motor controller end cover.

5. The electric drive assembly housing of claim 1, wherein: The drive motor housing (16) has a drive motor end cover interface (14) on its left side, which is connected and fixed to the drive motor end cover.

6. The electric drive assembly housing of claim 1, wherein: The main reducer housing (8) is provided with a main reducer end cover interface (7) on the right side, which is connected and fixed to the main reducer end cover.

7. The electric drive assembly housing of claim 6, wherein: The outer front end of the main reducer end cover interface (7) is provided with a mid-section housing hanger (9), and multiple housing reinforcing ribs (6) are provided on the outer side of the differential support cavity (18).

8. The electric drive assembly housing of claim 1, wherein: The drive motor housing (16), motor controller housing (11), differential support cavity (18), and main reducer housing (8) are formed by low-pressure casting or gravity casting.

9. The electric drive assembly housing of claim 1, wherein: The housing of the electric drive assembly is made of cast iron or cast steel.