Unlock instant, AI-driven research and patent intelligence for your innovation.

Main shaft motor for CD (Compact Disc) driver

A technology of spindle motor and optical drive, which is applied in optical recording/reproduction, recording of information on disks, instruments, etc., and can solve problems such as bursting of the entire disk

Inactive Publication Date: 2011-03-30
LITE ON IT
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This vibrating force will cause a crack near the central hole 210 of the disc 200, and gradually spread to the entire disc, eventually causing the entire disc to burst

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Main shaft motor for CD (Compact Disc) driver
  • Main shaft motor for CD (Compact Disc) driver
  • Main shaft motor for CD (Compact Disc) driver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] See Figure 4 , which is a schematic diagram of a spindle motor 400 according to an embodiment of the present invention. The spindle motor 400 provided by the embodiment of the present invention includes a motor unit 410 , a disk supporting plate 420 and a non-slip plate 500 . The motor unit 410 has a motor stator 411, a motor rotor 412 and a rotor shaft 413, wherein when the current is supplied to the motor unit 410, the motor rotor 412 and the rotor shaft 413 will be driven to rotate relative to the motor stator 411 . The disk supporting tray 420 has a disk fixing base 422 and a bearing surface 421 , wherein the disk fixing base 422 is provided with a plurality of elastic arms 423 , and the anti-slip sheet 500 is disposed on the bearing surface 421 .

[0016] When a disk 200 is placed on the spindle motor 400, the center hole of the disk 200 is sleeved on the disk holder 422, and the elastic arm 423 on the disk holder 422 will abut against the center hole of the dis...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a main shaft motor for a CD (Compact Disc) driver, comprising a disc bearing tray and a slip stopping plate, wherein the disc bearing tray is provided with a disc fixing seat, and the disc fixing seat has a fixed external seat diameter. The slip stopping plate is arranged on the disc bearing tray and has the slip stopping plate inner diameter, wherein the difference of the fixed external seat diameter and the slip stopping plate inner diameter is not greater than 8mm.

Description

technical field [0001] The invention relates to a spindle motor, in particular to a spindle motor for an optical drive. Background technique [0002] During the development of optical drives, as consumers have higher and higher requirements for the read and write speed of optical drives, the speed of optical drives has also increased. However, under the demand of this high speed, how to make the relevant components or structures inside the optical drive sufficiently withstand the problems caused by the high speed of the optical disc, such as noise, disc vibration, disc cracking, etc. The problem to be solved. [0003] In the current optical drive, a spindle motor is generally provided. Such as figure 1 and figure 2 as shown, figure 1 Shown is a schematic diagram of a spindle motor 100, a disc 200 and a disc clamp 300 of a conventional optical drive; figure 2 Shown is a schematic cross-sectional view of a spindle motor 100 of a conventional optical drive. The spindle...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G11B19/20G11B7/00
CPCG11B17/0282
Inventor 叶斯霖何俊龙
Owner LITE ON IT