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Interchange structure of different motors on the same casing

A technology of casing and transmission mechanism, applied in the manufacture of motor generators, electrical components, electromechanical devices, etc., can solve the problems of increasing costs and prolonging the development cycle, and achieves the goal of saving investment costs, optimizing the air flow direction, and shortening the development cycle. Effect

Active Publication Date: 2017-08-08
上海电动工具研究所(集团)有限公司
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  • Claims
  • Application Information

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Problems solved by technology

Due to the different sizes and air paths of different types of motors, different motors cannot be used in common on one casing, and a new casing that is suitable for the new type of motor needs to be configured, which undoubtedly increases the cost of launching new products and also increases the cost of new products. Extended development cycle

Method used

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  • Interchange structure of different motors on the same casing

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Embodiment Construction

[0016] In order to make the present invention more comprehensible, a preferred embodiment is described in detail below with accompanying drawings.

[0017] figure 1 It is a schematic diagram of the installation structure of the old motor on the casing. The installation structure of the old motor on the casing includes the tool casing 1, the transmission mechanism component 2, the middle cover 3 and the old motor 4, the transmission mechanism component 2, the middle cover 3 and the old motor 4 are located in the tool casing 1, and the transmission mechanism assembly 2 and the old motor 4 are respectively located on both sides of the middle cover 3.

[0018] The middle cover 3 is closely connected with the tool casing 1, and the old motor 4 is fixed on the middle cover 3 by fastening screws 9; The middle cover 3 is connected with the transmission mechanism assembly 2, and the motor 4 drives the transmission mechanism assembly 2 to work through the transmission shaft 4-1. The t...

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Abstract

The invention provides an interchangeable structure of different motors on the same casing, including a tool casing, a transmission mechanism assembly, a middle cover and an old-style motor are all arranged in the tool casing, and the old-style motor is fixed on the middle cover , the transmission shaft of the old motor passes through the middle cover and connects with the transmission mechanism components; the tool casing is provided with an air inlet and an air outlet; the outer diameter of the new motor is smaller than that of the old motor; when the old motor is replaced with a new motor , remove the old motor, and fix the new motor on the middle cover; the new motor is equipped with a windshield outside, and the outer diameter of the windshield is the same as the outer diameter of the old motor; the new motor is near the air inlet. Composite blades. The invention realizes the exchange of different motors on the same casing by changing the outer diameter of the motor assembly and optimizing the flow direction of the air path, and can quickly commercialize electric tools using new motors, shortening the new product development cycle, and saving Project investment cost.

Description

technical field [0001] The invention relates to the installation structure of the motor in the casing of the electric tool, in particular to the installation structure of different motors in the same casing. Background technique [0002] Electric tools are mainly composed of transmission parts, connection parts, motors, casings, wires, switches, etc. Most of the motors used before were series-excited motors or steel pipe motors. With the improvement of motor technology and technology, more and more products began to use integral standard motors or even brushless motors. [0003] Most of the traditional power tool products adopt the form of a casing with a type of appearance and a type of motor. Due to the different sizes and air paths of different types of motors, different motors cannot be used in common on one casing, and a new casing that is suitable for the new type of motor needs to be configured, which undoubtedly increases the cost of launching new products and also ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K7/14H02K15/00
Inventor 王典胡国武罗选强
Owner 上海电动工具研究所(集团)有限公司
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