CN1941158A

CN1941158A - CD driver

Info

Publication number: CN1941158A
Application number: CN 200510030181
Authority: CN
Inventors: 尹东华
Original assignee: Shanghai LG Electronics Co Ltd
Current assignee: Shanghai LG Electronics Co Ltd
Priority date: 2005-09-29
Filing date: 2005-09-29
Publication date: 2007-04-04

Abstract

A laser disk driver in a notebook includes a tray linked to a guider in the main fan area for disk insertion and ejection, a spring shaft made by spring and roil shaft along the moving direction of the tray, an upward bend at a hatch on the bottom of the main fan area against the spring shaft, which effectively prevents contact of the spring shaft with the hiding part in main fan area but with the main fan area body to release static electricity.

Description

CD drive

Technical field

The present invention is the technology of relevant CD drive, especially about the technology of energized structural between the ejection axle that constitutes CD drive and the host sectors.

Background technology

Usually, CD drive is used as the device of middle record of high capacity optical recording medias (CD) such as CD-R, CD-RW, DVD or regenerated signal.

Above-mentioned CD drive is located at the inside of desktop computer or notebook computer usually, perhaps is connected the outside use of computer.

Light picker and PCB that the pallet that above-mentioned CD drive is used by the placement disk, the rotating disk that rotating disk is used and record or reading disk information are used form.

If to CD drive input static, will bring great influence, when especially in core parts such as light picker, importing static, will cause fatefulue loss to its record or regenerability.

Therefore, need be provided with one and directly not import static, and go to the electrical path of grounding device to core parts such as light pickers from the outside.

Fig. 1 is the decomposing schematic representation of CD drive in the relevant conventional formula technology, the electrical path of the static that thick dotted line representative flows into from the outside.

As shown in the figure, the static that flows into from the outside has the electrical path that passes through light picker 1, spindle motor 2, aluminium matter bottom surface cover 3 successively, ejects axle 4, aluminium matter host sectors 5.

Fig. 2 a is the pallet connection status synoptic diagram of CD drive in the relevant conventional formula technology, and Fig. 2 b is that the part at A position among relevant Fig. 2 a enlarges synoptic diagram.

As shown in the figure, above conventional formula CD drive, be provided with the pallet 8 of placing CD (not shown) in the host sectors 5.

At this moment, above-mentioned host sectors 5 is located at the body interior of notebook computer, and its top also is provided with main printed circuit board 6, light picker accessories such as (not shown).

In addition, above above-mentioned pallet 8, place CD, and be downloaded into or eject at the state that links to each other with host sectors 5.Pallet 8 is being written into or At time of eject, will keep suitable elastic force along moving direction, to finish stable operation.

For this reason, will adopt ejection axle 4.This ejection axle 4 will be located at pallet 8 travel directions, and the one end links to each other with compression spring (not shown) by axle, and is installed in the below of pallet 8, and ejects the be written into direction of the other end of axle 4 along pallet 8, contacts with host sectors 5, and applies spring pressure.

At this, ejecting axle 4 negotiates mutually with main printed circuit board (PCB) 6 and the accessory of forming various device for opening as much as possible, but since for utilize screw connect with host sectors 5 between the contact site hiding device (Burring) 5a need be set, therefore eject an end of spools 4 and have to and hide device 5a and negotiate mutually.

In order to address the above problem, adopt method as shown in Figure 3 in the routine techniques.

Fig. 3 is relevant in routine techniques, is located at the hiding device of host sectors and the part synoptic diagram of the negotiation preventer state between the ejection axle.

As shown in the figure, in routine techniques, will prolong the negotiation preventer 7a that is provided with on the plastic cement material guide support 7 that eject between axle 4 and the host sectors 5, prevent to eject the negotiation problem of axle 4 by being located at.

But above-mentioned anti-negotiation method ejects between axle 4 and the host sectors 5 because of the guide support 7 of plastic cement material makes and is in state of insulation, thereby causes cutting off the problem of electrical path.

Because electrical path is cut off, cause static outwards to flow out, make it be trapped in instrument internal, and be input to main accessory inside such as light picker, finally cause drawbacks such as instrument failure.

Summary of the invention

To the objective of the invention is the problems referred to above of existing in the routine techniques in order solving, effectively to prevent to eject between the hiding device on axle and the host sectors coming in contact, provide one can make a CD drive that ejects the direct electrical path that contacts with host sectors of axle.

To achieve these goals, the CD drive among the present invention has following design feature: promptly, be provided with host sectors in the notebook computer body interior; And on the guide of host sectors, be connected with pallet, above above-mentioned pallet, place CD, to be written into and to eject CD in body interior; When being written into and eject CD, for applying a certain size elastic force to pallet, and, be provided with the ejection axle that links to each other with wind spring by axle in position along the pallet moving direction; In addition, the present invention also will cut the part bottom surface of above-mentioned host sectors, and cut is bent upwards, and be provided with to make an end the ejecting axle axle grounding device along direction of principal axis ground connection.

At this, when the amplitude of supposing above-mentioned axle grounding device is W, should satisfy W 〉=2.6mm.

The bottom surface of supposing above-mentioned host sectors is H to the height between the crooked axle grounding device end, should satisfy 4.4mm≤H≤7mm.

At this, between the axle grounding device and host sectors sidewall of above-mentioned bending, be provided with the negotiation preventer that goes out from the prolongation of guide support, and, prevent that the grounding device from causing the phenomenon of being out of shape because of the direction of principal axis pressure that ejects axle by this negotiation preventer.

Effect of the present invention:

As mentioned above, the axle grounding device that is bent to form with certain altitude in the host sectors bottom surface in the CD drive of the present invention, effectively prevent to eject between the hiding device of axle and host sectors and come in contact, and the ejection axle is directly contacted with host sectors, keep electrical path, effectively to prevent to cause the problem of instrument failure because of static.

For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.

Description of drawings

Fig. 1 is the CD drive decomposing schematic representation in the relevant routine techniques,

Fig. 2 a is the pallet connection status synoptic diagram of the CD drive in the relevant routine techniques,

Fig. 2 b is that the part at A position among relevant Fig. 2 a enlarges synoptic diagram,

Fig. 3 is relevant in routine techniques, is located at the hiding device of host sectors and the part synoptic diagram of the negotiation preventer state between the ejection axle,

Fig. 4 a is the host sectors structural representation of the CD drive among relevant the present invention,

Fig. 4 b is that the part at B position among relevant Fig. 4 a enlarges synoptic diagram,

Fig. 5 is that the part of relevant axis grounding device of the present invention enlarges front view (FV),

Fig. 6 is the active state part synoptic diagram of CD drive among relevant the present invention.

The symbol description of major part in the accompanying drawing:

1: light picker 2: spindle motor

3: bottom surface cover 4: eject axle

5: host sectors 5a: hide device

5b: axle grounding device 6: main printed circuit board

7: guide support 7a: the negotiation preventer

8: pallet

Embodiment

Embodiment to CD drive of the present invention is elaborated below with reference to accompanying drawings.

At this, the part identical with routine techniques will adopt identical graphic symbol.

Fig. 4 a is the host sectors structural representation of the CD drive among relevant the present invention, and Fig. 4 b is that the part at B position among relevant Fig. 4 a enlarges synoptic diagram.

As shown in the figure, the host sectors 5 that constitutes CD drive among the present invention also will be cut the part bottom surface of above-mentioned host sectors, and cut is bent upwards, and be provided with to make an end the ejecting axle grounding device 5b along direction of principal axis ground connection.

At this moment, above-mentioned axle grounding device 5b is positioned at for utilizing screw connection host sectors 5 and main body that the axis the place ahead that hides device 5a is set.

Above-mentioned host sectors 5 should be made by aluminium material.

Fig. 5 is that the part of relevant axis grounding device of the present invention enlarges front view (FV).As shown in the figure, from the bottom surface of host sectors 5 to the position of certain altitude, form the crooked position of axle grounding device 5b.At this moment, the amplitude (W) of axle grounding device should be greater than more than the 2.6mm that ejects axle 4 diameters, considers the setting height(from bottom) that ejects axle 4 from the bottom surface of host sectors 5 to the height (H) the axle grounding device 5b end of bending, should be in the scope of 4.4mm～7mm.

To the effect of apparatus of the present invention with said structure characteristics be elaborated below.

At first, for being written into the pallet 8 of placing CD (not shown), and promote pallet 8 along a direction.

At this moment, above-mentioned pallet 8 bottoms will be in the state that ejects axle 4 that is provided with.As shown in Figure 6, a part that ejects axle 4 is outwards outstanding, and not outstanding remainder links to each other with compression spring (not shown) by axle, and promotes to eject axle 4 along a direction.

Under above-mentioned state, pallet 8 will move on, and, still can move on after axle grounding device 5b links to each other at the end that ejects axle 4, and the effect of the termination instrument of establishing by other be in stationary state.

At this, will continue to apply the pressure of compression spring (not shown) among the above-mentioned axle grounding device 5b, this pressure might cause a grounding device 5b distortion, but shown in Figure 6 as among the present invention, prolong the negotiation preventer of going out owing between axle grounding device 5b and host sectors 5, being provided with, cause the phenomenon of being out of shape because of the direction of principal axis pressure that ejects axle 4 so can prevent a grounding device 5b from guide support 7.

Under above-mentioned state, will be for reading or recording disk information drives light picker and spindle motor, the static that takes place this moment will be by ejecting axle 4, and the grounding device 5b inflow surface by host sectors 5.

In addition, when needs are changed CD, as long as contrary operation is written into process.At first, the operation of releasing termination instrument is connected on the ejection axle 4 so and compressed compression spring will expand, and promotes pallet 8 from axle grounding device 5b, so that it moves along ejection direction.

At this moment, as long as under the state that above-mentioned pallet 8 fully outwards ejects, change CD (not shown).

In the present invention,, form one-piece type axle grounding device 5b, can guarantee electrical path by cutting the bottom surface of host sectors 5.

Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.

Claims

1, a kind of CD drive is characterized in that having following structure:

Be provided with host sectors in the notebook computer body interior;

On the guide of above-mentioned host sectors, be connected with pallet, above above-mentioned pallet, place CD, to be written into and to eject CD in aforementioned body inside;

When being written into and eject CD, for applying a certain size elastic force to pallet, and, be provided with the ejection axle that links to each other with wind spring by axle in position along the pallet moving direction;

Cut the part bottom surface of above-mentioned host sectors, and cut is bent upwards, be provided with and make an end ejecting axle axle grounding device along direction of principal axis ground connection.

2, CD drive as claimed in claim 1 is characterized in that:

The amplitude of above-mentioned axle grounding device is W, should satisfy: W 〉=2.6mm.

3, as claim item 1 described CD drive, it is characterized in that:

The bottom surface of above-mentioned host sectors is H to the height between the crooked axle grounding device end, should satisfy: 4.4mm≤H≤7mm.

4, as claim item 1 described CD drive, it is characterized in that:

Between the axle grounding device and host sectors sidewall of above-mentioned bending, should be provided with the negotiation preventer that goes out from the prolongation of guide support, and, prevent that the grounding device from causing the phenomenon of being out of shape because of the direction of principal axis pressure that ejects axle by this negotiation preventer.