CN2591709Y - Suspension device and optical media storing device containing the same device - Google Patents
Suspension device and optical media storing device containing the same device Download PDFInfo
- Publication number
- CN2591709Y CN2591709Y CN 02284706 CN02284706U CN2591709Y CN 2591709 Y CN2591709 Y CN 2591709Y CN 02284706 CN02284706 CN 02284706 CN 02284706 U CN02284706 U CN 02284706U CN 2591709 Y CN2591709 Y CN 2591709Y
- Authority
- CN
- China
- Prior art keywords
- movement
- counterweight end
- optical media
- storage device
- weight
- 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
Images
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
The utility model provides a suspending device, which is suitable for an optical medium storing device with a main axle motor. The suspending device comprises a machine body, a movement and a weighting block. The movement is arranged on the machine body and is provided with a first counterweight end part. The position of the gravity center of the movement is positioned on the first counterweight end part and the main axle motor is arranged on the first counterweight end part. The weighting block is arranged on the movement and is provided with a second counterweight end part. The position of the gravity center of the weighting block is positioned on the second counterweight end part which is positioned on the first counterweight end part. Thus the configuration of the gravity and the configuration of the vibration isolating and the vibration absorbing rubber of the suspending device of the utility model are used to enable the vibration of the optical medium storing device to be greatly reduced.
Description
Technical field
The utility model relates to a kind of suspension apparatus of optical media storage device, particularly a kind of when the optical media storage device in when running, can effectively reduce a kind of suspension apparatus of vibration values and contain the optical media storage device of this device.
Background technology
General optical media storage device, for example CD-ROM drive, CD player, the structure that roughly all has a fuselage (Loader), a movement (Traverse) and a weight (Dynamic Mass), and all Spindle Motor (Spindle Motor) is arranged on the movement.The setting of weight is mainly used to balance and offsets the vibration that is produced when Spindle Motor turns round, and between movement and fuselage, be provided with the vibration isolation rubber (Isolator) of buffering vibration isolation and the absorber rubber (Damper) etc. that between movement and weight, is provided with the buffering absorbing.Yet, the configuration of the center of gravity of known weight and movement, and vibration isolation rubber and absorber rubber all non-optimization in position is set.Fig. 1 is the configuration schematic diagram that shows the suspension apparatus 1 of a known CD-ROM drive, be provided with the absorber rubber 14 of buffering absorbing between weight 11 and the movement 12, be provided with the vibration isolation rubber 15 of buffering vibration isolation between movement 12 and the fuselage 13, weight 11 all is positioned near central spot with the centre of gravity place of movement 12, being configured in via learning behind the vibration-testing that its vibration values is quite big in the decreased extent difference of different directions of this suspension apparatus.
See also Fig. 2, Fig. 2 is the configuration schematic diagram that shows the suspension apparatus 2 of another known CD-ROM drive.Weight 21 is between movement 22 and fuselage 23, and absorber rubber 24 and vibration isolation rubber 25 are to be provided with in as shown in the figure mode.Yet because this configuration only is the set-up mode that changes absorber rubber 24 and vibration isolation rubber 25, and the centre of gravity place of movement 22 still is positioned near on the center, so still quite big in the decreased extent difference of different directions.
The utility model content
The purpose of this utility model is, a kind of optical media storage device that can effectively reduce the suspension apparatus of vibration values and contain this device is provided, by the centre of gravity place of adjusting weight and movement simultaneously, reach the position of adjusting absorber rubber, vibration isolation rubber and reach the vibration of reduction optical media storage device when running.
Above-mentioned purpose of the present utility model is achieved in that the suspension apparatus that the utility model provides, and is applicable to the optical media storage device with a Spindle Motor, and it comprises a fuselage; One movement, be arranged at this fuselage on, this movement has one first counterweight end, wherein, the centre of gravity place of this movement is positioned on this first counterweight end, this first counterweight end is used for being provided with the Spindle Motor of optical media storage device; An and weight, be arranged on this movement, this weight has one second counterweight end, wherein, the centre of gravity place of this weight is positioned on this second counterweight end, and this second counterweight end is positioned on this first counterweight end, therefore, when this Spindle Motor running, the vibration values of this suspension apparatus can significantly reduce.
Suspension apparatus described in the utility model, wherein this optical media storage device is a CD-ROM drive.
Suspension apparatus described in the utility model, wherein this movement is to be arranged on this fuselage by most vibration isolation rubbers, and this vibration isolation rubber is arranged at the corner location near this movement.
Suspension apparatus described in the utility model, wherein this weight is to be arranged on this movement by most absorber rubbers, and this absorber rubber is arranged at the position that is provided with near this vibration isolation rubber.
The utility model also provides a kind of optical media storage device, and it comprises: a Spindle Motor, and an optical read/write head and a CD-ROM drive motor wherein also include, aforesaid suspension apparatus, and described Spindle Motor is arranged on the first counterweight end of this movement; Described CD-ROM drive motor is arranged on this movement.
Optical media storage device described in the utility model, it also comprises two parallel sliding tracks, an end of this slide rail is fixed on the first counterweight end of this movement, and the other end is fixed on the opposed end of this first counterweight end.
Optical media storage device described in the utility model, wherein, this optical read/write head is slidingly connected on this two parallel sliding track.
Optical media storage device described in the utility model, it also comprises a drive gear set, connects this optical read/write head and this CD-ROM drive motor, this CD-ROM drive motor is to drive this optical read/write head by this drive gear set to be slidingly connected on this two parallel sliding track.
Optical media storage device described in the utility model, wherein, this CD-ROM drive motor is a direct current servo motor.
Optical media storage device described in the utility model, wherein, this CD-ROM drive motor is a step motor.
Below in conjunction with specific embodiment and accompanying drawing thereof, technical characterictic of the present utility model and technology contents are described in further detail, yet, shown in accompanying drawing only for reference with the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Fig. 1 is the configuration schematic diagram that shows the suspension apparatus 1 of a known CD-ROM drive;
Fig. 2 is the configuration schematic diagram that shows the suspension apparatus 2 of another known CD-ROM drive;
Fig. 3 is the three-dimensional exploded view of the utility model suspension apparatus 100;
Fig. 4 is the plan view from above that contains the CD-ROM drive of the utility model suspension apparatus 100;
Fig. 5 is the cross section view of being done along the A-A line of Fig. 4;
Fig. 6 has shown the diagrammatic cross-section according to Fig. 5;
Fig. 7 is the vibration values curve that shows center of gravity measured the place ahead when diverse location of weight.
Fig. 8 is the vibration values curve that shows center of gravity measured rear when diverse location of weight
Embodiment
Following conjunction with figs. illustrates preferred embodiment of the present utility model.
See also Fig. 3 and Fig. 4, suspension apparatus 100 of the present utility model is made of a fuselage 110, a movement 120 and a weight 130.Movement 120 is arranged on the fuselage 110 by 4 vibration isolation rubbers 122 (Isolator), and weight 130 is arranged on the movement 120 by 4 absorber rubbers 132 (Damper).On movement 120, also be provided with a Spindle Motor 124.
Please consult Fig. 4, Fig. 5 and Fig. 6 simultaneously, movement 120 has one first counterweight end 121.The weight of movement 120 is not to be distributed in equably on the whole movement 120, but on the first counterweight end 121, has bigger weight, the other end with respect to the first counterweight end 121 then has lighter weight, therefore, the centre of gravity place of movement 120 is positioned on the first counterweight end 121, also Spindle Motor 124 is arranged on the first counterweight end 121 simultaneously.Similarly, weight 130 has one second counterweight end 131.The weight of weight 130 is not to be distributed in equably on the whole weight 130, but on the second counterweight end 131, has bigger weight, the other end with respect to the second counterweight end 131 then has lighter weight, therefore, the centre of gravity place of weight 130 is to be positioned on the second counterweight end 131.In addition, the second counterweight end 131 is to be positioned on the first counterweight end 121.
See also shown in Figure 4ly, Fig. 4 is the plan view from above that contains the CD-ROM drive of suspension apparatus 100 of the present utility model.It is provided with two parallel sliding tracks 126, an optical read/write head 128 and a direct current servo motor 129 on movement 120, this dc servomotor 129 is in order to driving this optical read/write head, and this dc servomotor also can be a step motor.One end of this parallel sliding track 126 is fixed on the first counterweight end of this movement, and the other end is fixed on the opposed end of this first counterweight end.This optical read/write head 128 is slidingly connected on this two parallel sliding track 126.It also comprises, a drive gear set connects this optical read/write head 128 and this dc servomotor 129, and this dc servomotor 129 is to drive this optical read/write head by this drive gear set to be slidingly connected on this two parallel sliding track 126.
For a strong proof data is provided, the vibration when the configuration design that is used to prove the utility model suspension apparatus 100 can reduce the running of optical media storage device really, the existing test vibration value that is produced when a Spindle Motor is turned round is listed in Fig. 7, among Fig. 8.Fig. 7, Fig. 8 have shown that absorber rubber hardness is 40 degree, under the eccentric video disc 0.6g/cm condition, and the center of weight measured oscillating curve when diverse location.Wherein X-axis is represented the rotating speed of this Spindle Motor, and unit is rpm, and Y-axis is represented the vibration acceleration of this suspension apparatus, and unit is G.Fig. 7, curve A is represented the vibration acceleration of centre of gravity place away from place, counterweight end (being called the rear) time of weight among Fig. 8, vibration acceleration when the vibration acceleration of the centre of gravity place that curve B is represented weight when place, centre (in the middle of being called), curve C represent that the centre of gravity place of weight is positioned at place, counterweight end (being called the place ahead).
Therefore, by the test data of Fig. 7 as can be known, when the rotating speed of Spindle Motor when 7000rpm is following, if the centre of gravity place of weight is got over convergence counterweight end (the place ahead), promptly shown in curve C, then the vibration values of suspension apparatus will be low more.
As mentioned above, suspension apparatus 100 of the present utility model is that the employing centre of gravity place is positioned at the weight 130 on the second counterweight end 131 (the place ahead), so according to the configuration of aforesaid suspension apparatus 100, the vibration that is produced in the time of can effectively reducing or offset Spindle Motor 124 runnings really.
Though the utility model is exposed in preferred embodiment; so it is not to be used for limiting the utility model, and any personnel that are familiar with this technology are not in breaking away from spirit and scope of the present utility model; change of being made and decoration, all letter covers in the claimed claim scope of the utility model.
Claims (10)
1, a kind of suspension apparatus that is applicable to optical media storage device with a Spindle Motor, it comprises:
One fuselage; One movement, this movement are arranged on this fuselage, a weight, and this weight is arranged on this movement, it is characterized in that,
Described movement has one first counterweight end, and wherein, the centre of gravity place of this movement is positioned on this first counterweight end, and this Spindle Motor is arranged on this first counterweight end; And
Described weight has one second counterweight end, and wherein, the centre of gravity place of this weight is positioned on this second counterweight end, and this second counterweight end is positioned on this first counterweight end.
2, suspension apparatus as claimed in claim 1 is characterized in that, described optical media storage device is a CD-ROM drive.
3, suspension apparatus as claimed in claim 1 is characterized in that, this movement is to be arranged on this fuselage by most vibration isolation rubbers, and this vibration isolation rubber is arranged at the corner location near this movement.
4, suspension apparatus as claimed in claim 1 is characterized in that, this weight is to be arranged on this movement by most absorber rubbers, and this absorber rubber is arranged at the position that is provided with near this vibration isolation rubber.
5. optical media storage device, it comprises: a Spindle Motor, an optical read/write head and a CD-ROM drive motor is characterized in that,
Also include, as claim 1, claim 2, claim 3 or the described suspension apparatus of claim 4, and
Described Spindle Motor is arranged on the first counterweight end of this movement;
Described CD-ROM drive motor is arranged on this movement.
6, optical media storage device as claimed in claim 5 is characterized in that, also comprises two parallel sliding tracks, and an end of this slide rail is fixed on the first counterweight end of this movement, and the other end is fixed on the opposed end of this first counterweight end.
7, optical media storage device as claimed in claim 6 is characterized in that, this optical read/write head is slidingly connected on this two parallel sliding track.
8, optical media storage device as claimed in claim 5, it is characterized in that, also comprise a drive gear set, connect this optical read/write head and this CD-ROM drive motor, this CD-ROM drive motor is to drive this optical read/write head by this drive gear set to be slidingly connected on this two parallel sliding track.
9, optical media storage device as claimed in claim 5 is characterized in that, this CD-ROM drive motor is a direct current servo motor.
10, optical media storage device as claimed in claim 5 is characterized in that, this CD-ROM drive motor is a step motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02284706 CN2591709Y (en) | 2002-10-24 | 2002-10-24 | Suspension device and optical media storing device containing the same device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02284706 CN2591709Y (en) | 2002-10-24 | 2002-10-24 | Suspension device and optical media storing device containing the same device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591709Y true CN2591709Y (en) | 2003-12-10 |
Family
ID=33745945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02284706 Expired - Fee Related CN2591709Y (en) | 2002-10-24 | 2002-10-24 | Suspension device and optical media storing device containing the same device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2591709Y (en) |
-
2002
- 2002-10-24 CN CN 02284706 patent/CN2591709Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0341957A2 (en) | Vibration absorbing structure of a disc apparatus | |
| JPS6316479A (en) | File storage device | |
| CN1160265A (en) | Rotary message recording and reproducing apparatus | |
| CN1135546C (en) | Changer apparatus for information discs | |
| US6064547A (en) | Damped disk separator | |
| CN2591709Y (en) | Suspension device and optical media storing device containing the same device | |
| US6785217B1 (en) | Method and device for reducing vibration of a high speed disk drive | |
| US5953303A (en) | Recording and/or reproducing apparatus with elastic supporting mechanism for arranging a housing at an angle of inclination between a horizontal position and a vertical position | |
| CN1451158A (en) | Bynamically symmetric actuator | |
| CN1335994A (en) | Inertia ring for improved rotational vibration performance | |
| CN1684146A (en) | High density magnetic recording float block | |
| US7298592B2 (en) | Actuator with dynamic characteristic and a four section VCM coil and disk drive having the same | |
| CN1767044A (en) | Disk drive device | |
| CN1467738A (en) | Disk drive adopting vibration absorber | |
| CN1469374A (en) | Information head support arm assembly and disk driving device utilziing the same information head support arm assembly | |
| US20030193879A1 (en) | Suspension device | |
| CN100343912C (en) | Structure for preventing gear slippage in optical disk drive | |
| CN1240075C (en) | Magnetic disc device | |
| CN2927255Y (en) | Device for decreasing disk shock | |
| CN2485759Y (en) | Resonance eliminator | |
| CN2499947Y (en) | Automatic balance device for optical drive | |
| JPH03263659A (en) | Magnetic disk device | |
| CN2604760Y (en) | CD drive | |
| US6961209B2 (en) | Disc stabilization system | |
| CN2724148Y (en) | Top cover device for optical disc driver |
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 |