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Magnet fixing device of reciprocating motion type electric machine

A technology of magnet fixation and reciprocating motion, applied in the direction of electromechanical devices, electrical components, magnetic circuit rotating parts, etc., can solve the problems of uneven machining allowance of the installation groove, reduced mold life, crack formation, etc., to reduce material costs, The effect of reducing processing costs and improving formability

Inactive Publication Date: 2003-12-03
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] But above-mentioned existing structure, because magnet support (50) has the installation groove (52) of certain width and thickness, a plurality of magnets (40) are contained in this installation groove (52), so magnet support (50) must It needs to be thicker, and along with the increase of the thickness of the magnet support (50), under the situation of processing with equipment such as punching press, not only need large-scale punching machine, and the life-span of the die required for large-scale punching machine also reduces thereupon, along with magnet As the thickness of the support (50) increases, the weight of the magnet support (50) also increases
Thereby, the loss of driving force increases, because the installation groove (52) of the installation magnet (40) is the final processing, causing the corresponding machining allowance of the installation groove (52) to be uneven, and in the installation groove (52) ) problems such as the formation of cracks at the corners

Method used

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  • Magnet fixing device of reciprocating motion type electric machine
  • Magnet fixing device of reciprocating motion type electric machine
  • Magnet fixing device of reciprocating motion type electric machine

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Embodiment Construction

[0031] In order to further understand the invention content, characteristics and effects of the present invention, the following embodiments are enumerated hereby, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0032] refer to Figure 4 , 5 The magnet fixing device of the reciprocating motor of the present invention is a first fixing part that is formed by lengthening and vertically curling at a set height in the circumferential direction of one end of a hat-shaped cylindrical part (71) with a set thickness and inner diameter. (72); There is a certain distance from the first fixed part (72) on the cylindrical part (71), the second fixed part (73) formed by lengthening and vertically curling with the set height; by the first fixed part ( 72) and the second fixed part (73) form, be located at the magnet support (70) between the outer core (10) and the inner core (20); be fixed on the two fixed parts on the magnet support (70) The magn...

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Abstract

A magnet fixer of reciprocating motor has two fixing parts installed the magnet supporter between internal and external cores, the magnets fixed to said fixing parts, and the cover for covering on multiple magnets and connecting them. One of two fixing parts is positioned at the end of a cap-shaped cylinder, and is formed by curled, so improving rigidity and strength and reducing cost.

Description

technical field [0001] The invention relates to a magnet fixing device for a reciprocating motor, which belongs to the motor. Background technique [0002] Generally speaking, the reciprocating motor changes the three-dimensional magnetic force lines of ordinary motors into planar magnetic force lines, so that the planar mover moves linearly on the plane with the change of the magnetic force lines formed on the plane fixed part. [0003] The structure of the existing reciprocating motor is as follows: figure 1 , figure 2 As shown, the reciprocating motor is a stator (s) composed of a cylindrical outer core (10) and a cylindrical inner core (20) contained in the outer core (10), connected to the outer core ( 10) and the coil (30) in the inner core (20), the mover (k) made of magnets (40) and movingly matched between the outer core (10) and the inner core (20) is formed . Shown in the figure is the structure in which the coil (30) is connected to t...

Claims

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Application Information

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IPC IPC(8): H02K1/27H02K33/18
Inventor 具本哲
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD