Vibration motor of flat form

A flat vibrating motor and vibrating force technology, which is applied in the direction of electric components, casings/covers/supports, and control of mechanical energy, can solve problems such as reducing the service life of vibrating motors, achieve shock absorption, effective manufacturing process, and eliminate electricity. The effect of the interruption of the connection

Inactive Publication Date: 2007-10-10
LG INNOTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Here, the base portion 20 and the stator portion 10 are coupled with an adhesive 30; however, this coupling using the adhesive 30 reduces the life of the vibration motor.

Method used

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  • Vibration motor of flat form
  • Vibration motor of flat form
  • Vibration motor of flat form

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0045] A coupling structure of the base part 300 and the stator part 200 according to the first embodiment of the present invention will now be described with reference to the accompanying drawings.

[0046] 3 is a perspective view showing a coupling structure of a base part and a stator part of a flat vibration motor according to a first embodiment of the present invention; Perspective view of the base part together.

[0047] 3 and 4, the stator part 200 has a fixing bracket 410 on which a plurality of fixing arms 420 and 430 are formed. A fixing boss 450 and a fixing groove 460 are formed on the base part 300 . A fixing bracket 410 protrudes from a side of the lower case 220 to support the bottom of the base part 300 , and fixing arms 420 and 430 are formed on edges of either side of the fixing bracket 410 .

[0048] In the flat vibration motor according to the first embodiment of the present invention, there are four fixing arms 420 and 430; however, the number thereof is...

no. 2 approach

[0060] Hereinafter, a coupling structure of a base part 300 and a stator part 200 of a flat vibration motor according to a second embodiment of the present invention will be described with reference to the accompanying drawings.

[0061] 5 is a perspective view showing a coupling structure of a base portion 300 and a stator portion 200 of a flat vibration motor according to a second embodiment of the present invention; A perspective view of the base part 300 assembled with the parts 200; FIG. 7 is a side view showing the base part 300 assembled with the stator part 200 of the flat vibration motor shown in FIG.

[0062] 5-7, the stator part 200 has a fixing bracket 410 on which a plurality of fixing arms 420' and 430 are formed. A fixing boss 450 and a fixing groove 460 are formed on the base part 300 . The fixing bracket 410 protrudes from the side of the lower case 220 to support the bottom of the base part 300, and has fixing arms 420' and 430 formed on edges of either side...

no. 3 approach

[0073] Hereinafter, a description will be given of a flat vibration motor according to a third embodiment of the present invention with reference to the accompanying drawings.

[0074] 8 is a perspective view of a base portion 300 of a flat vibration motor according to a third embodiment of the present invention; FIG. 9 shows a base connected with a stator portion 200 of a flat vibration motor according to a third embodiment of the present invention Perspective view of portion 300 .

[0075] Referring to FIG. 8, a fixing bracket 560a is formed in the fixing groove 560 obliquely inwardly. Accordingly, as shown in FIG. 9 , the second fixing arm 430 is inserted into the fixing slot 560 , and then its end 422 a is bent at an angle and engaged on the fixing frame 560 a.

[0076] The first fixing arm 420' and the second fixing boss 450 of the third embodiment can be coupled using the same structure as that of the second embodiment.

[0077] If the vibration force from the flat vib...

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PUM

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Abstract

A flat vibration motor with a structure for coupling a stator portion and a base portion thereof is provided. The flat vibration motor includes a rotor portion, a stator portion, a fixing mount, and a base portion. The rotor portion generates vibrating force when rotating. The stator portion houses and couples with the rotor portion to allow the rotor portion to rotate. The fixing mount extends from the stator portion and includes a plurality of fixing arms formed to extend upward therefrom. The base portion includes a terminal for supplying electricity to the stator portion, and a plurality of fixing grooves formed thereon for respectively coupling with the fixing arms. The structure prevents a disruption of an electrical connection between a terminal and a control circuit board caused by a shift or disengagement in a coupling between the base portion and the stator portion.

Description

technical field [0001] The invention relates to a vibration motor, in particular to a flat vibration motor. Background technique [0002] The flat vibrating motor is a miniature motor that can be installed in cellular phones, smart phones, personal digital assistants (PDAs) and similar mobile communication terminals, as well as various other electronic devices. When a signal is received from a call center, the flat vibrating motor notifies the user of an incoming call by vibrating instead of sound. [0003] More specifically, when set in the "polite mode", the mobile communication terminal vibrates through the operation of such a flat vibration motor. [0004] The flat vibration motor is coin-sized and generates a strong vibration force, so it requires a relatively durable coupling structure. However, its terminals are often deformed by a strong vibration force, so that there is a problem in the coupling of the stator part and the base part. [0005] FIG. 1 is a perspecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/22
CPCH02K5/225H02K7/063A47J36/04A47J37/041A47J37/0786
Inventor 安盛焕
Owner LG INNOTEK CO LTD
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