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Flat vibration motor

A flat vibration motor and component technology, applied in electric components, magnetic circuit rotating parts, electrical components, etc., can solve problems such as difficulty in implementation, and achieve the effects of convenient operation, strong vibration sense, and wide application range.

Active Publication Date: 2017-03-29
ZHEJIANG DONGYANG CHENGJI ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Heavier volume, faster response and better vibration touch, which is difficult to achieve for traditional flat motors

Method used

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  • Flat vibration motor
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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as figure 1 In the described embodiment, a flat vibrating motor includes a casing assembly, a rotor assembly and a lower bracket assembly, the casing assembly is provided with a magnetic steel 6, and the rotor assembly is provided with a rotating shaft 4, a coil 1, and a weight 2 And the commutator piece 12, the rotating shaft 4, the weight 2 and the commutator piece 12 are injection molded into a rotor, the coil 1 is placed on the outer surface of the rotor and electrically connected with the commutator piece 12, and the lower bracket assembly is provided with a brush 9 and FPC13, the rotor assembly is installed on the lower bracket assembly through the rotating shaft 4, the brush 9 is electrically connected to the FPC13, the brush 9 is in contact with the commutator segment 12, the casing assembly is installed above the lower brac...

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PUM

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Abstract

The invention discloses a flat vibration motor. The flat vibration motor comprises a shell assembly, a rotor assembly and a lower bracket assembly, wherein magnetic steel is arranged in the shell assembly; a rotary shaft, a coil, a heavy hammer and a commutator segment are arranged in the rotor assembly; the rotary shaft, the heavy hammer and the commutator segment are molded into a rotor by injection; the coil is arranged on an outer side face of the rotor, and electrically connected with the commutator segment; an electric brush and an FPC (Flexible Printed Circuit) are arranged in the lower bracket assembly; the rotor assembly is arranged on the lower bracket assembly through the rotary shaft; the electric brush is electrically connected with the FPC; the electric brush is in contact with the commutator segment; the shell assembly is arranged above the lower bracket assembly; the rotor assembly is arranged between the shell assembly and the lower bracket assembly; and the magnetic steel is arranged on the outer side of the coil. The flat vibration motor has the beneficial effects of long service life, high response speed, strong vibration sense, capability of providing a stable magnetic field, simple structure, convenience in operation and wide application range.

Description

technical field [0001] The invention relates to the related technical field of vibration motors, in particular to a flat vibration motor. Background technique [0002] The micro vibrating motor is a DC brushed motor. There is an eccentric wheel on the motor shaft. When the motor rotates, the center point of the eccentric wheel is not on the center of rotation of the motor, so that the motor is constantly out of balance, causing vibration due to inertia. . [0003] As a micro motor, small vibration motors are mainly used in small electronic products such as mobile phones and electric toys, especially smart phones. As the screens of smart phones are getting larger and larger, the weight of mobile phones is also getting heavier. At the same time, mobile phones have higher requirements for vibration touch, especially when playing games on mobile phones, the frequency of using the vibration function is also more. Heavier volume, faster response and better vibration touch, it is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/22H02K3/51
CPCH02K1/22H02K3/51
Inventor 孙安
Owner ZHEJIANG DONGYANG CHENGJI ELECTRO MECHANICS CO LTD