CN101373603A

CN101373603A - CD player

Info

Publication number: CN101373603A
Application number: CNA2007101420749A
Authority: CN
Inventors: 邓鸿吉
Original assignee: FUYAN ELECTRONICS Co Ltd
Current assignee: FUYAN ELECTRONICS Co Ltd
Priority date: 2007-08-22
Filing date: 2007-08-22
Publication date: 2009-02-25

Abstract

The invention discloses a CD driver, which is mainly characterized in that a compression mechanism is arranged on a disc clamper of a compact disc, so that the disc clamper can firmly hold the compact disc; and a transmission mechanism and a compensation mechanism can accurately transmit power of a motor to a laser reading head without loosening of the transmission mechanism, poor signal reading and distortion. Furthermore, a horizontal adjustment mechanism is used for adjusting the angle of the compact disc on a spindle motor relevant to the laser reading head. The CD driver has the advantages of simple and fast operation and suitability for industrialization.

Description

CD-ROM device

Technical field

The present invention relates to a kind of CD-ROM device, relate in particular to a kind of CD-ROM device that is easy to assemble adjustment and mechanism stable.

Background technology

Present CD-ROM device mainly utilizes Spindle Motor to drive the rotation of CD-RW discsCD-RW, and utilizes a motor and a gear train to come moving of driving laser read head, and to read the signal of CD-RW discsCD-RW smoothly, aforesaid CD-ROM device then has following point:

1, in the conventional drives, its screw rod and the gapped generation of tooth row meeting cause interlock not good, cause the consume of gear train, and have the noise generation in the mechanical action, and the gear train interlock is not good, even can influence the quality that CD-RW discsCD-RW reads.

2, because the laser beam desired angle that CD-RW discsCD-RW and laser read head send is 90 °, its acceptable error range about 10 ' about, and since CD-ROM device when production and assembly, because structure problem, can't allow the angle of laser read head and CD-RW discsCD-RW maintain in the aforementioned acceptable scope, thereby the angle of laser read head must be done suitable adjustment, but because of laser read head is the mechanism of sliding on a pair of slide rail, so it is general all to adjust the level angle of slide rail, its adjusting mechanism spare part is more and to adjust the spent time also longer relatively, also improves relatively for time to volume and cost.

3, commonly use the film clamping machine of CD-ROM device, because the mechanism design problem, after processing procedure and assembling, be easy to become flexible, cause the CD-RW discsCD-RW clamping unstable and eccentricity issues is arranged, cause laser read head when reading CD-RW discsCD-RW, bad.

Summary of the invention

Fundamental purpose of the present invention is to provide a kind of CD-ROM device with drive unit of transmission and compensation mechanism, makes the CD-ROM device laser read head not have the loose problem of power drive mechanism in moving.

A time purpose of the present invention is to provide a kind of CD-ROM device with film clamping machine of packing mechanism, makes the clamping accurate positioning of CD-RW discsCD-RW.

And another purpose of the present invention provides a kind of CD-ROM device with Spindle Motor horizontal adjusting mechanism, by this mechanism, makes that the horizontal adjustment of CD-RW discsCD-RW and laser read head is simple and easy and saves time.

For achieving the above object, the invention provides a kind of CD-ROM device, consist predominantly of:

One laser read head, accept the driving of a drive unit and be located at slidably on the slide rail, this drive unit has a CD-ROM drive motor and connects the transmission and the compensation mechanism of motor and laser read head, and this transmission and compensation mechanism have a screw rod and a tooth row mechanism, wherein, this screw is located on the motor and is subjected to motor driven and rotates, tooth row mechanism is fixedly arranged on a side of laser read head, it has a tooth row seat, one is radially corresponding tooth row frame with respect to screw rod and with screw rod, be horizontally set with on the tooth row frame one with the axial tooth row of screw engages, tooth row frame and tooth row are integrally formed by the rubber-like material;

One in order to the Spindle Motor as the power source that drives CD-RW discsCD-RW, and it has a fixed head;

One substrate, aforesaid laser read head, Spindle Motor are installed thereon, and this substrate is installed on the rocking arm;

One horizontal adjusting mechanism is located between aforesaid base plate and fixed head, with the angle of the CD-RW discsCD-RW on the adjustment Spindle Motor to laser read head;

One pallet apparatus comprises bearing motor and one group of gear train that is connected pallet and bearing motor that a pallet, a driving tray move, and this pallet is accepted the driving of motor and can be moved the inside and outside of a load carrier;

One film clamping machine, corresponding to Spindle Motor is arranged on the film clamping machine seat, it utilizes a film clamping machine seat to be fixed in load carrier, film clamping machine comprises one first clamping part, one second clamping part, a packing mechanism and at least one magnet, first clamping part has a plate body, and this plate body has one first and one second, has a groove toward first direction protrusion in these plate body central authorities, the opening of groove is towards second direction, and this plate body has a plurality of long arc-shaped holes of being led to second by first face; Second clamping part has a plate body, and this plate body has one first and one second, and second of this plate body then is provided with annular convex; This packing mechanism comprises gradually an inclined plane part and a packing coupler body, this gradually inclined plane part be located in the long arc-shaped holes of first clamping part, this packing coupler body is located at the outside of the annular convex of second clamping part, it highly is higher than the height of annular convex; This magnet is located at the groove of first clamping part; The groove that aforementioned first clamping part protrudes passes the perforate of film clamping machine seat and is placed in the annular convex of second clamping part, the packing coupler body of packing mechanism is placed in the long arc-shaped holes of first clamping part, and revolve an angle along inclined plane part gradually, the packing coupler body is urgent on inclined plane part gradually, and the film clamping machine seat firmly and closely is clamped between the plate body of first clamping part and second clamping part;

Described load carrier, aforesaid assembly installing thereon.

Aforesaid CD-ROM device, wherein, this horizontal adjusting mechanism includes:

One first column is located on the substrate, and this first column has inner bolt hole;

One second column is located on the substrate, and this second column has inner bolt hole;

One the 3rd column is located on the substrate, and this second column has inner bolt hole;

The 3rd column is higher than the height of first, second column, and the post that this first, second and third column is triangular shape stands on the substrate;

One standing screw, described fixed head is locked on the 3rd column by standing screw;

One first adjusts screw rod, and its spiral shell after passing fixed head is located at first column, places one first spring between the fixed head and first column;

One second adjusts screw rod, and its spiral shell after passing fixed head is located at second column, places one second spring between the fixed head and second column.

Aforesaid CD-ROM device wherein, has the restriction protuberance at the end of the long arc-shaped holes of this first clamping part.

Compared to habit skill is arranged, CD-ROM device of the present invention have gear train closely, the horizontal adjustment of clamping accurate positioning, CD-RW discsCD-RW and the laser read head of CD-RW discsCD-RW is simple and easy, characteristics fast, therefore that the signal of laser disc is read quality is good for CD-ROM device of the present invention, and is suitable for volume production.

For in detail the present invention being described in detail more, enumerate preferred embodiment and description of drawings as back:

Description of drawings

The stereographic map of Fig. 1 CD-ROM device preferred embodiment of the present invention.

The part exploded view of Fig. 2 CD-ROM device preferred embodiment of the present invention.

Laser read head, Spindle Motor, transmission and compensation mechanism are combined in the stereographic map on the substrate in Fig. 3 CD-ROM device of the present invention.

The stereographic map of relevant tooth row seat in Fig. 4 CD-ROM device preferred embodiment of the present invention.

The exploded view of the relevant Spindle Motor of Fig. 5 the present invention, horizontal adjusting mechanism and substrate.

The right side view of Fig. 6 Fig. 3.

In Fig. 7 CD-ROM device preferred embodiment of the present invention about the combination of side view between laser read head, Spindle Motor, film clamping machine and CD-RW discsCD-RW.

In Fig. 8 CD-ROM device of the present invention about the exploded view of film clamping machine and magnet.

The three-dimensional combination figure of relevant film clamping machine in Fig. 9 CD-ROM device of the present invention.

Relevant film clamping machine is in conjunction with preceding top view in Figure 10 CD-ROM device of the present invention.

Relevant film clamping machine is in conjunction with the back top view in Figure 11 CD-ROM device of the present invention.

Figure 12 is corresponding to the part sectional schematic diagram of Figure 10.

Figure 13 is corresponding to the part sectional schematic diagram of Figure 11.

Figure 14 Figure 11 A-A cut-open view.

Embodiment

See also shown in Fig. 1～2, in the middle of preferred embodiment of the present invention, a kind of CD-ROM device, it consists predominantly of a laser read head 11, one Spindle Motors 21, one substrates 31, one horizontal adjusting mechanisms 41, one pallet apparatus 51, one film clamping machines 61, one load carriers 71.

See also shown in Fig. 3～4, laser read head 11 of the present invention is subjected to the driving of a drive unit 12 and is slidably disposed on one group of

slide rail

13,12 of this drive units have a CD-ROM drive motor 14 and connect the transmission and the compensation mechanism 15 of motor 14 and laser read head 11, this transmission and compensation mechanism 15 then have a screw rod 151 and a tooth row mechanism 152, and this screw rod 151 mainly is installed in the output of motor 14 and driven by motor 14 and rotate, tooth row mechanism 152 then is fixedly arranged on a side of laser read head 11, it has a tooth row seat 153, one is radially corresponding tooth row frame 154 with respect to screw rod 151 and with screw rod 151, then be horizontally set with on this tooth row frame 154 one with the axial tooth row 1 of screw rod 151 engagements

55, and this tooth row frame 154 and tooth row 155 be by the flexible material of tool, and institute is one-body molded as plastic material, and then is provided with a spring 156 at

tooth row seat

153 and 155 of tooth rows.

See also shown in Fig. 2～3, Spindle Motor 21 of the present invention is mainly as the power source that drives CD-RW discsCD-RW, and 21 of this Spindle Motors have a fixed head 22, utilize fixed head 22 that Spindle Motor 21 is fixed on the substrate 31.

See also shown in Fig. 2～3, the aforesaid laser read head 11 of substrate 31 main installings of the present invention, Spindle Motor 21 and device thereof, and this substrate 31 is installed on the rocking arm 32.

See also shown in Fig. 3,5～7, horizontal adjusting mechanism 41 of the present invention is arranged at 22 of aforesaid substrate 31 and fixed heads, to adjust the angle of the 81 pairs of laser read heads 11 of CD-RW discsCD-RW on the Spindle Motor 21.41 of this horizontal adjusting mechanisms include one first column, 42, one second columns 43, the 3rd column 44, one first and adjust screw rod 45, one second adjustment screw rod 46 and standing screws 47.42,43,44 posts that are triangular shape of this first, second and third column stand on the substrate 31, and each have inner bolt hole 421,431,441, and wherein the height of the 3rd column 44 is higher than the height of first,

second column

42,43; Aforementionedly then fixed head 22 is locked on the 3rd column 44 by standing screw 47, first adjusts screw rod 45 then is located at first column 42 passing fixed head 22 back spiral shells, and placed one first spring 48 at fixed

head

22 and 42 on first column, second adjusts screw rod 46 then is located at second column 43 passing fixed head 22 back spiral shells, and has placed one second spring 49 at fixed

head

22 and 43 on second column.

See also shown in Fig. 1～2, pallet apparatus 51 of the present invention includes a pallet 52 as habit has CD-ROM device, the bearing motor 53 that one driving tray 52 moves, and one group of gear train 54 that connects pallet 52 and bearing motor 53, this pallet 52 is subjected to the driving of motor 53 and can moves the inside and outside of load carrier 71.In addition, the present invention also includes an interlinked mechanism 55, to connect rocking arm 32, moves by the inside and outside of pallet 52, and with the upper and lower swing of control rocking arm 32, substrate 31 grades then can upper and lower therefrom swing.

See also shown in Fig. 1～2,7～14, film clamping machine 61 of the present invention mainly corresponds to Spindle Motor 21 and is arranged on the film clamping machine seat 62, and utilizes film clamping machine seat 62 to be fixed in load carrier 71.61 of this film clamping machines include one first clamping part 63, one second clamping part 64, a packing mechanism 65 and at least one group of magnet 66.This first clamping part 63 has a plate body 631, this plate body 631 has one first 632, and one second 633, has a groove 634 toward first 632 direction protrusion in these plate body 631 central authorities, then towards second 633 direction, this plate body 631 has the plural long arc-shaped holes 635 of leading to second 633 by first 632 to the opening of this groove 634; 64 of this second clamping parts have a

plate body

641, and 641 of this plate bodys have one first 642, and one second 643,641 second 643 of this plate bodys then are provided with annular convex 644; This packing mechanism 65 includes gradually an inclined plane part 645 and a packing coupler body 646, this gradually 645 of inclined plane parts be located in the long arc-shaped holes 635 of first clamping part 63, this packing coupler body 646 then is located at the outside of the annular convex 644 of second clamping part 64, and its height is greater than the height of annular convex 644; This magnet 66 then is installed in the groove 634 of first clamping part 63; 634 of the grooves that aforementioned first clamping part 63 protrudes pass the perforate 621 of film clamping machine seat 62 and are placed in the annular convex 644 of second clamping part 64, the packing coupler body 646 of packing mechanism 65 then is placed in the long arc-shaped holes 635 of first clamping part 63, and revolve an angle along inclined plane part 645 gradually, packing coupler body 646 is then urgent on inclined plane part 645 gradually, and 62 of film clamping machine seats firmly and closely are clamped between the plate body of first clamping part 63 and second clamping part 64.

In addition, then be provided with a plurality of limited parts 636 in the

aforementioned recess

634,66 of magnet are fixed in the groove 634 by limited part 636.

Moreover, then have restriction protuberance 637 in the end of long arc-shaped holes 635, with restriction and fixing packing coupler body 646.

See also shown in Fig. 1～2 the aforesaid all component of load carrier 71 installing the present invention of the present invention.

According to design of the present invention, in an embodiment, the present invention utilizes a packing mechanism 65 with first clamping

part

63 and 64 packings of second clamping part of film clamping machine 61 and combine closely on film clamping machine seat 62, so, film clamping machine 61 is very firm when clamping CD-RW discsCD-RW 81, and the present invention utilizes a transmission and compensation mechanism 15 can be exactly the power of motor to be sent to laser read head 11, there is not gear train to produce signal and read bad and problem of dtmf distortion DTMF because of loosening, in addition, the present invention utilizes a horizontal adjusting mechanism 41 to adjust the angle of the 81 pairs of laser read heads 11 of CD-RW discsCD-RW on the Spindle Motor 22, have simple quick and easy-operating advantage, be suitable for volume production simultaneously.

In sum, only be preferable exemplifying embodiment of the present invention, be not in order to limit the present invention; All other do not break away from equivalence of the present invention to be modified or displacement, all should be contained in the scope of the invention.

Claims

1. CD-ROM device is characterized in that it comprises:

One horizontal adjusting mechanism is located between aforesaid base plate and fixed head;

One pallet apparatus comprises bearing motor and one group of gear train that is connected pallet and bearing motor that a pallet, a driving tray move, and this pallet is accepted the driving of motor;

One film clamping machine, corresponding to Spindle Motor is arranged on the film clamping machine seat, it utilizes a film clamping machine seat to be fixed in a load carrier, film clamping machine comprises one first clamping part, one second clamping part, a packing mechanism and at least one magnet, first clamping part has a plate body, this plate body has one first and one second, has a groove toward first direction protrusion in these plate body central authorities, the opening of groove is towards second direction, and this plate body has a plurality of long arc-shaped holes of being led to second by first face; Second clamping part has a plate body, and this plate body has one first and one second, and second of this plate body then is provided with annular convex; This packing mechanism comprises gradually an inclined plane part and a packing coupler body, this gradually inclined plane part be located in the long arc-shaped holes of first clamping part, this packing coupler body is located at the outside of the annular convex of second clamping part, it highly is higher than the height of annular convex; This magnet is located at the groove of first clamping part; The groove that aforementioned first clamping part protrudes passes the perforate of film clamping machine seat and is placed in the annular convex of second clamping part, the packing coupler body of packing mechanism is placed in the long arc-shaped holes of first clamping part, the packing coupler body is urgent on inclined plane part gradually, and the film clamping machine seat firmly and closely is clamped between the plate body of first clamping part and second clamping part;

Described load carrier, aforesaid assembly installing thereon.

2. CD-ROM device as claimed in claim 1 is characterized in that, wherein, this horizontal adjusting mechanism comprises:

3. CD-ROM device as claimed in claim 1 is characterized in that, wherein, has the restriction protuberance at the end of the long arc-shaped holes of this first clamping part.