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New energy automobile motor end cover connecting structure

A new energy vehicle, motor end cover technology, applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve the problems of increasing product weight, cost advantage discount, etc., to improve the overall performance, improve the cooling effect, and improve the convenience of installation Effect

Pending Publication Date: 2021-11-30
安徽瑞智驱动科技有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Although these design methods reduce the vibration during the operation of the motor, they greatly increase the weight of the product, which greatly reduces the cost advantage

Method used

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  • New energy automobile motor end cover connecting structure
  • New energy automobile motor end cover connecting structure

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Embodiment Construction

[0020] Below with reference to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape, structure, mutual position and connection relationship between the various parts, the role and working principle of the various parts, etc., will be further described. Detailed instructions:

[0021] as attached figure 1 , attached figure 2 As shown, the present invention is a connection structure of a motor end cover of a new energy vehicle. The connection structure of a motor end cover of a new energy vehicle comprises a motor housing 1 and a motor end cover 2. The motor housing 1 and the motor The end cover 2 is connected by connecting bolts, the joint of the motor housing 1 and the motor end cover 2 is arranged with a gasket 3, the motor housing 1 includes the outer shell 4 and the inner shell 5, the outer shell 4 and the inner shell 5 to form an annular cooling channel 6, the motor end cover 2 is pro...

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Abstract

The invention provides a new energy automobile motor end cover connecting structure applied to the technical field of new energy automobile motors. The new energy automobile motor end cover connecting structure is characterized in thatthe motor shell (1) of the new energy automobile motor end cover connecting structure is connected with a motor end cover (2) through a connecting bolt, a sealing gasket (3) is arranged at the joint of the motor shell (1) and the motor end cover (2), a cooling water channel (6) is formed between the shell outer layer (4) and the shell inner layer (5) of the motor shell (1), and the lower end of the flange inner wall (8) of a flange (7) is provided with an inclined plane part I (9) which is arranged along the flange inner wall (8). The new energy automobile motor end cover connecting structure is simple in structure, and can effectively guarantee that the motor end cover and the motor shell are effectively attached after being assembled, ensure the sealing performance of the cooling water channel, suppress radial vibration in high-speed operation of the motor, avoid water leakage, improve the NVH performance of the motor, and achieve light weight.

Description

technical field [0001] The invention belongs to the technical field of new energy vehicle motors, and more specifically relates to a connection structure of a new energy vehicle motor end cover. Background technique [0002] With the improvement of consumers' requirements for automobile comfort, the NVH performance of the whole vehicle has been paid more and more attention by people. In the field of new energy vehicles, the NVH of the motor directly affects the performance of the vehicle. There are many ways to use sound-proof materials to wrap motors to reduce vibration noise in the market, and improving the NVH performance of products through structural design is the most effective means. In terms of structural design, major manufacturers generally adopt closed waterways, which can effectively avoid motor vibration, but the manufacturing methods are mostly low-pressure casting and friction welding, which have high production costs and low cooling effects. Due to the good...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/04H02K5/10H02K5/20H02K5/24
CPCH02K5/04H02K5/10H02K5/203H02K5/24
Inventor 朱朝辉三浦一夫
Owner 安徽瑞智驱动科技有限公司
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