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Disk press assembly of optical disk loading device

A technology of loading device and platen, which is used in recording information storage, instruments, etc., can solve the problems of scratches on the data reading surface, affecting the service life of the disc, scratches on the data reading surface of the disc, etc., and achieves compact mutual position. Effect

Inactive Publication Date: 2009-09-30
CHANGZHOU SHINCO AUTOMOTIVE ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Before the disk 300 is loaded, the magnetic force between the pressure plate 2 and the turntable 200 below it is in a state of attraction, and the disk 300 will slide into the disk loading device between the pressure plate 2 and the turntable 200. During this process , the disc 300 is under the downward pressure of the pressure plate 2, and its data reading surface will be severely scratched by the turntable 200. After repeated use, a large number of scratches will be left on the data reading surface of the disc, which will affect the service life of the disc.

Method used

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  • Disk press assembly of optical disk loading device
  • Disk press assembly of optical disk loading device
  • Disk press assembly of optical disk loading device

Examples

Experimental program
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Embodiment 1

[0024] See Figure 4 , 5 and Figure 6 , This embodiment includes a support plate 1 , a platen iron sheet 21 , a platen base 22 , a magnetic ring 23 , an insulating spacer ring 24 and a center iron sheet 3 .

[0025] See Figure 6 , 9 and Figure 10 , the pressure plate iron sheet 21 is a circular iron piece with a special-shaped hole 21-1; the center iron sheet 3 is an iron piece with a central hole 31 in its center; the pressure plate base 22 is made of disc-shaped plastic The bottom is in the shape of a truncated cone, and the center of the upper part of the pressure plate base 22 is provided with a round platform 22-1. The circumference of the round platform 22-1 is evenly distributed with three fastening hooks 22-2, and the fastening hooks 22-2 can press the iron sheet with the plate. The special-shaped hole 21-1 on the 21 cooperates.

[0026] See Figure 7 and Figure 8 , the magnetic ring 23 is set on the cylindrical surface of the round platform 22-1, and the i...

Embodiment 2

[0028] Compared with Embodiment 1, the difference of this embodiment is that the insulating spacer 24 is integrated with the platen base 22, is thin-walled cylindrical and coaxial with the round platform 22-1, and forms a gap between it and the round platform 22-1. annular groove (see Figure 11 ), the magnetic ring is placed in this annular groove.

[0029] The function of the insulating spacer 24 here is the same as that in Embodiment 1, both of which can prevent the magnetic ring 23 from directly contacting the hole wall of the central hole 31 and ensure the smooth movement of the pressure plate 2 up and down in the central hole 31 .

[0030] The support plate 1 in the above-mentioned embodiments 1 and 2 is all a plastic product, and the center iron sheet 3 is fixedly connected to the pressure plate mounting hole 11 of the support plate 1 by screws. The method of embedding fixes the central iron sheet 3 on the support plate 1, and its effect is exactly the same; in additio...

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Abstract

The invention relates to a disc loading device of a DVD video disc player, and its purpose is to provide a pressure plate assembly of the disc loading device, so that there is a gap between the pressure plate and the turntable below it when the disc loading device is not working. The present invention has a support plate and a pressure plate. The pressure plate has a plate iron plate, a plate base, and a magnetic ring. A center iron plate is fixedly connected to the mounting hole of the pressure plate on the support plate. The center iron plate is provided with a central hole. The iron sheet is located above the central hole, and the platen base passes through the central hole of the central iron plate from below to be connected with the platen iron plate, and the magnetic ring is located between the platen iron plate and the platen base.

Description

technical field [0001] The present invention relates to a disc loading device of a DVD video disc player, in particular to a platen assembly of a disc loading device of a household slot-in DVD video disc player. Background technique [0002] The disc loading device of the current home-use DVD video disc player usually has a base, an upper cover plate, a guide roller assembly, a transmission part, a platen assembly, an optical pickup drive part, etc., wherein the platen assembly consists of a support plate 1, a platen 2 composition. Such as figure 1 , 2 It is a three-dimensional schematic diagram of a pressure plate assembly in the prior art, image 3 It is a schematic diagram of the positional relationship between the platen 2 and the turntable 200 of the optical pickup driving device when the disk 300 is loaded. [0003] Before the disk 300 is loaded, the magnetic force between the pressure plate 2 and the turntable 200 below it is in a state of attraction, and the disk...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B17/02G11B17/028
Inventor 谈捷沈军建
Owner CHANGZHOU SHINCO AUTOMOTIVE ELECTRONICS