CN2193582Y - Tracker of optical disc driver - Google Patents
Tracker of optical disc driver Download PDFInfo
- Publication number
- CN2193582Y CN2193582Y CN 93244430 CN93244430U CN2193582Y CN 2193582 Y CN2193582 Y CN 2193582Y CN 93244430 CN93244430 CN 93244430 CN 93244430 U CN93244430 U CN 93244430U CN 2193582 Y CN2193582 Y CN 2193582Y
- Authority
- CN
- China
- Prior art keywords
- guide rod
- district
- mat
- sheet metal
- metal sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000013461 design Methods 0.000 claims description 6
- 210000000515 tooth Anatomy 0.000 description 15
- 230000000694 effects Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Optical Recording Or Reproduction (AREA)
Abstract
The utility model relates to a tracker of an optical disc driver, comprising a transmission unit, a metal plate, a guide rod, a guide rod base, an information collecting frame and an extension spring. A motor is provided with a driving wheel box which drives a belt pulley through a belt in order to drive the motor to rotate. A reduction gear is driven by a spur gear below the belt pulley, and a rack bar is driven by a spur gear above reduction gear. The metal plate which carries an optical reading head is driven by the rack bar, so the optical reading head can move stably according to designed speed, in order to read data and achieve the purpose of reading signals accurately by the reading head.
Description
The utility model relates to a kind of track-tracing device of CD-ROM device, be particularly related to a kind of simple in structure, easy to assembly, make optical read head with the motion of stable speed,, and can reach the track-tracing device of the novel CD-ROM device of the optically read effect of expection and practicality again with reading of data.
Player (LD) is subjected to by mass consumption person's happiness extensively in recent years.Player (LD) provide high image quality image and Intel High Definition Audio, the structure of its decision picture image quality, be optical read head and drive the structure that read head moves, if when translational speed is moved too slowly or is too fast, cause read head to read jitter easily, also cause the distorted signals that reads or beat, therefore the inventor is because habit has optical read head to move the shortcoming that structure is sayed, there is optical read head to move structure to all habits and does its advantage assessment, experience through creator's professional knowledge accumulation for many years, develop through repetitiousness ground, improvement and actual use test, relatively rail structure is sought in all player inside, and successfully designs another kind " CD-ROM device seek trailer structure ".
The purpose of this utility model is for a kind of track-tracing device of CD-ROM device is provided, but its mat one CD-ROM drive motor drives transmission group, and this transmission group of mat and drive tooth bar and move, this tooth bar just drives the optical read head that is connected, the speed motion that makes the stable matching design of optical read head energy down of moving that it is driving, with reading of data, read the normal of signal to reach read head.
Another purpose of the utility model is for a kind of track-tracing device of CD-ROM device is provided, when transmission group in any actuating length, if when having unusual condition to block, then belt tension can skid automatically, or can elongate because of extension spring between gear set and tooth bar, and can skid, prevent locked or other the damage of motor.Dual protectiveness is arranged.
For achieving the above object, the utility model provides a kind of track-tracing device of CD-ROM device, comprise: transmission group, the sheet metal sheet, guide rod, the guide rod seat, information collecting frame and extension spring, this revolution of mat is driven belt pulley by the active roller box on the motor by belt, and by the drive of the spur gear below belt pulley reduction gearing, spur gear by the reduction gearing top drives tooth bar again, sheet metal sheet by the rack drives bearing optical pick-up head, it is characterized in that: a transmission group places on the sheet metal sheet, and this sheet metal sheet leading edge place is provided with a locking plate, this locking plate is provided with a screw, be positioned at locking plate trailing edge leading portion district and be provided with a through hole, accept stage casing district behind this leading portion district in addition, this stage casing district is provided with a perforation and a fixed orifice, and accept a back segment district behind this stage casing district, this back segment district is provided with a screw and a U type breach and back segment area edge and is provided with a projection, uses with the hook extension spring; Guide rod; The guide rod seat is provided with a groove and a positioning block; Information collecting frame is provided with a positioning area and is provided with one group of screw, screw and a projection along the positioning area edge, and other forward and backward fixed bit that is provided with of this information collecting frame is with the location guide seat; Extension spring; Drive transmission group by above-mentioned CD-ROM drive motor, and this transmission group of mat and drive tooth bar and move, this tooth bar just drives the optical read head that is connected, it makes the speed motion of the stable matching design of optical read head energy down in its moving moving, with reading of data, read normal signal to reach read head.
The optical read head of CD-ROM device of the present utility model is the speed motion of matching design stably, reading data, and reaches the normal read number of winning the confidence.
To having clearer after the detailed introduction of the purpose of this utility model, the effect embodiment below having read is to understand.
Fig. 1 is the constitutional diagram of the track-tracing device of the utility model CD-ROM device.
Fig. 2 is the separation graph of the track-tracing device of the utility model CD-ROM device.
Fig. 3 is the planar top view of the track-tracing device of the utility model CD-ROM device.
Fig. 4 is the planar top apparent motion mapping of the track-tracing device of the utility model CD-ROM device.
Fig. 5 is the planar top apparent motion mapping of the track-tracing device of the utility model CD-ROM device.
The figure number explanation:
Information collecting frame 5 extension springs 6
Reduction gearing 15 tooth bars 16
23 back segment districts 24, stage casing district
Screw 241 U type breach 242
Projection 243 grooves 141
Locating piece 42 positioning areas 51
Screw 52,52a screw 53
Read head 33 fixed bits 32
231 fixed orifices 232,232a bore a hole
See also shown in Fig. 1,2, CD-ROM device of the present utility model seek the trailer structure, it includes: transmission group 1, sheet metal sheet 2, guide rod 3, guide rod seat 4, information collecting frame 5 and extension spring 6, wherein,
Information collecting frame 5 is provided with a positioning area 51 and is provided with one group of screw 52,52a, screw 53 and a projection 54 along positioning area 51 edges, and other these information collecting frame 5 forward and backward fixed bits 55 that are provided with are with location guide seat 4;
At first, as shown in Figure 1, 2, the track-tracing device of CD-ROM device of the present utility model, this sheet metal sheet 2 of mat is fixed in the positioning area 51 on the information collecting frame 5, and the mat screw is fixed, link up with projection 54 on projection 243 and information collecting frame 5 edges on 24 edges, back segment district of sheet metal sheet 2 with extension spring 6, pass the perforation in the stage casing district 23 231 on the sheet metal sheet 2 with the rotating shaft 111 of this motor 11 in addition, and mat driving wheel 12 is placed in the rotating shaft 111;
Secondly,, be set with on one group of dowel seat 25,26 of through hole 221,222 tops in the leading portion district 22 of sheet metal sheet 2, make belt pulley 14 and reduction gearing 15 fixing, be placed on driving wheel 12 and the belt pulley 14 with belt 13 with this belt pulley 14 and reduction gearing 15;
In addition, be placed on the fixed bit 55 of information collecting frame 5 front and back, and mat guide rod 3 two ends are placed in the groove 41 on the guide rod seat 4, are locked on the holder 32 of bearing optical pick-up head 33 with tooth bar 16 again with the locating piece 42 of these guide rod seat 4 belows.
Shown in Fig. 3,4,5, CD-ROM device of the present utility model seek the trailer structure, this motor 11 of mat rotates and drives belt pulley 14 by belt 13 by the driving wheel on the motor 11 12, and drive reduction gearing 15 by the spur gear 141 of belt pulley 14 belows, spur gear 151 by reduction gearing 15 tops drives tooth bar 16 again, holder 32 by tooth bar 16 drive bearing optical pick-up heads 33 makes optical read head 33 remove to read signal data.
The track-tracing device of the utility model CD-ROM device, when transmission group 1 be configured with unusual when stuck, but the elastic force of this extension spring 6 of mat flicks the part of engagement, or utilizes belt slip, avoids transmission group stuck or fault, damage etc.
The track-tracing device of CD-ROM device of the present utility model, its characteristic and advantage are as described below:
1. ingenious use extension spring member, making and driving that the read head upper rack cooperates with the transmission group gear is zero backlash, greatly improves quality and reliability.
2. transmission group is in any actuating length, if when having unusual condition to block, then belt tension can skid automatically, or can be because extension spring elongates between gear train and tooth bar, and can skid, and prevents locked or other the damage of motor. Dual protectiveness is arranged.
3. simple structure, modularity design, installation, maintenance and manufacturing are all convenient.
4. because of the tension force effect of extension spring, assembling must not adjusted, and can automatically reach zero backlash function, so can reduce cost, improves production operation.
In sum as can be known, CD-ROM device of the present utility model seek the trailer structure, novel initiative is so the invention of this creation, novelty and practical industry should be subjected to affirm.
Claims (4)
1, a kind of track-tracing device of CD-ROM device, it includes: transmission group, sheet metal sheet, guide rod, guide rod seat, information collecting frame and extension spring, this revolution of mat is driven belt pulley by the active roller box on the motor by belt, and by the drive of the spur gear below belt pulley reduction gearing, spur gear by the reduction gearing top drives tooth bar again, sheet metal sheet by the rack drives bearing optical pick-up head is characterized in that:
One transmission group places on the sheet metal sheet, and this sheet metal sheet leading edge place is provided with a locking plate, this locking plate is provided with a screw, be positioned at locking plate trailing edge leading portion district and be provided with a through hole, accept stage casing district behind this leading portion district in addition, this stage casing district is provided with a perforation and a fixed orifice, and accepts a back segment district behind this stage casing district, this back segment district is provided with a screw and a U type breach and back segment area edge and is provided with a projection, uses with the hook extension spring;
Guide rod;
The guide rod seat is provided with a groove and a positioning block;
Information collecting frame is provided with a positioning area and is provided with one group of screw, screw and a projection along the positioning area edge, and other forward and backward fixed bit that is provided with of this information collecting frame is with the location guide seat;
Extension spring;
Drive transmission group by above-mentioned CD-ROM drive motor, and this transmission group of mat and drive tooth bar and move, this tooth bar just drives the optical read head that is connected, the speed motion that makes the stable matching design of optical read head energy down of moving that it is driving, with reading of data, read the normal of signal to reach read head.
2, the track-tracing device of CD-ROM device as claimed in claim 1, it is characterized in that: this sheet metal sheet of mat is fixed in the positioning area on the information collecting frame, and the mat screw is fixed, link up with projection on projection and information collecting frame edge on the back segment area edge of sheet metal sheet with extension spring, in addition pass on the sheet metal sheet perforation in the district of stage casing with screw closure, and the mat driving wheel is placed in the rotating shaft with the rotating shaft of this motor.
3, the track-tracing device of CD-ROM device as claimed in claim 1, it is characterized in that: this belt pulley of mat and reduction gearing, be set with on one group of dowel seat of the through hole top in the leading portion district of sheet metal sheet, belt pulley and reduction gearing are fixed, be placed on driving wheel and the belt pulley with belt.
4, the track-tracing device of CD-ROM device as claimed in claim 1, it is characterized in that: the locating piece of this guide rod seat below of mat is placed on the fixed bit of information collecting frame front and back, and mat guide rod two ends are placed in the groove on the guide rod seat, are fixed on the sheet metal sheet of bearing optical pick-up head with Teethed bolt lock again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93244430 CN2193582Y (en) | 1993-11-11 | 1993-11-11 | Tracker of optical disc driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93244430 CN2193582Y (en) | 1993-11-11 | 1993-11-11 | Tracker of optical disc driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2193582Y true CN2193582Y (en) | 1995-03-29 |
Family
ID=33817636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93244430 Expired - Fee Related CN2193582Y (en) | 1993-11-11 | 1993-11-11 | Tracker of optical disc driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2193582Y (en) |
-
1993
- 1993-11-11 CN CN 93244430 patent/CN2193582Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |