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Electric driving device

A technology of electric drive and transmission mechanism, which is applied in the direction of electromechanical devices, electric components, electrical components, etc., can solve the problems of cumbersome process, high tolerance requirements, and increased manufacturing cost of electric drive devices, so as to reduce manufacturing costs, achieve good sealing effect, The effect of easy assembly

Inactive Publication Date: 2015-11-25
BOSCH AUTOMOTIVE PROD CHANGSHA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, additional machining of the sealing surface is required to smooth it, deburr it, or even meet higher tolerance requirements; in some cases, it is also necessary to cut a groove into the sealing surface to insert the rubber seal , which makes the process cumbersome and increases the manufacturing cost, equipment cost and labor cost of the electric drive device

Method used

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  • Electric driving device
  • Electric driving device

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Embodiment Construction

[0020] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. In the various figures, the same reference numerals are used to designate the same technical features.

[0021] figure 1 An exploded perspective partial schematic view of an embodiment of the electric drive device according to the present invention is shown. exist figure 1 Among them, reference numeral 10 represents the motor, 11 represents the main body of the motor housing, 12 represents the cover of the motor housing, 13 represents the rotor of the motor, 14 represents the rotor shaft, 15 represents the winding on the motor rotor, and 16 represents the electric motor Brush holder, 17 represents the first sealing surface on the cover, 19 represents the fastener on the main body of the motor housing, 20 represents the transmission mechanism, 21 represents the transmission mechanism housing, 22 represents the worm wheel in the transmission mec...

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PUM

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Abstract

The invention provides an electric driving device. The electric driving device is provided with a motor and a transmission mechanism. The motor shell of the motor is provided with a main body and a cover body which are separated. An electric brush carrier and a rotor shaft which stretch to the main body are arranged on the cover body. Besides, the cover body is integrally formed on the transmission mechanism shell of the transmission mechanism. The main body and the cover body are fixed together via a fastening member, and a layer formed by sealing material is coated between the main body and the cover body. The motor shell of the electric driving device is convenient to assemble and great in sealing effect so that manufacturing cost is effectively reduced; besides, the cover body and the transmission mechanism shell are integrally formed so that the structure is enabled to be more solid.

Description

technical field [0001] The invention relates to the technical field of motor drive transmission; more specifically, the invention relates to an electric drive device. Background technique [0002] As we all know, wipers are installed on the windshield, rear window and even the headlights of some models of cars to remove rain, snow or other foreign objects. In the most common case, turn on the wiper switch, the wiper motor starts to rotate and this motion is converted into reciprocating motion of the wiper on the windshield, so that the wiper scrapes the glass reciprocally to improve visibility while driving. Wipers on the rear window and headlights can be used to improve rear visibility and headlight lighting, respectively. [0003] It can be understood that since the wiper system needs to work in rainwater and other environments, the waterproof and sealing requirements for its motor part are particularly important. [0004] In the prior art, a rubber sealing ring is usual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K7/10H02K5/04H02K5/10
Inventor 贵晔赵又衍
Owner BOSCH AUTOMOTIVE PROD CHANGSHA