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Vibration motor

A technology of vibrating motors and bases, which is applied in the manufacture of motor generators, fluids that utilize vibrations, electrical components, etc., and can solve the problems that the vibration of the motor cannot be enhanced, the size of the coil 107 cannot be increased, and the number of magnetic force lines cannot be large enough, etc.

Inactive Publication Date: 2007-07-04
SAMSUNG ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, as shown in FIG. 1, in the conventional coin type vibration motor, since the counterweight 113 is positioned on the upper part of the rotor, the size of the coil 107 cannot be increased, and thus the vibration of the motor cannot be enhanced.
In addition, since the magnet 108 is mounted only on the bracket 109, the number of flux lines passing through the coil 107 cannot be large enough, so that the vibration of the motor cannot be enhanced.

Method used

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Embodiment Construction

[0022] Hereinafter, embodiments of the present invention will be described more specifically with reference to the accompanying drawings. In the description with reference to the drawings, those same or corresponding components are provided with the same reference numerals regardless of the drawing numerals, and repeated explanations are omitted.

[0023] With reference to Fig. 3, the vibrating motor according to the embodiment of the present invention comprises: base 13 and housing 11, and it forms inner space; Shaft 15, is rotatably inserted in base 13 and housing 11; supports and causes vibration; weight 43 , mounted to the lower surface of rotor 37 ; brush 25 , in contact with commutator 27 and positioned on base 13 ; and magnet 31 , facing rotor 37 and fixed to housing 11 . The rotor 37 includes a wound coil 41 and a counterweight 43 which may be fixed to a hard board 47 by a mold 45 .

[0024] In the vibration motor according to this embodiment, the weight 43 is install...

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Abstract

The invention discloses a libration motor comprising a base seat and a shell forming an inner space; an axes rotatablely inserted in the base seat and the shell; a rotor inserted in the axes and comfigured rotatable, and including a plurality of windings and a commutator connected to the windings; a balance weight mounted on a lower surface of the rotor; an electric brush contacted with the commutator and positioned on the base seat; and a magnet faced to the rotor. The libration motor is capable of enhancing libration and reducing electric consumption during operation.

Description

[0001] Related Application Cross Reference [0002] This application claims the benefit of Korean Patent Application No. 2005-0130582 filed with the Korean Intellectual Property Office on December 27, 2005, the entire contents of which are hereby incorporated by reference. technical field [0003] The invention relates to a vibration motor. Background technique [0004] In general, a vibration motor generates vibration when a rotor rotates in an eccentric structure, and such a vibration motor is generally manufactured to have a small size for use in a mobile phone or a pager or the like. [0005] Fig. 1 and Fig. 2 have shown common coin-type vibration motor, and wherein Fig. 1 is the plane view of rotor molding part (mold portion), and this rotor molding part is integrated with the rotor that is arranged on the inner side upper part of vibration motor, and Fig. 2 is a cross-sectional view specifically showing the coin-type vibration motor along the section II' of FIG. 1 . ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K7/065H02K23/00H02K23/04H02K23/26
CPCH02K7/063H02K7/075H02K23/54B06B1/045H02K15/03
Inventor 奇铉胜
Owner SAMSUNG ELECTRO MECHANICS CO LTD
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