CN201327713Y - Compact disk data read-write cassette mechanism - Google Patents
Compact disk data read-write cassette mechanism Download PDFInfo
- Publication number
- CN201327713Y CN201327713Y CNU2008201890481U CN200820189048U CN201327713Y CN 201327713 Y CN201327713 Y CN 201327713Y CN U2008201890481 U CNU2008201890481 U CN U2008201890481U CN 200820189048 U CN200820189048 U CN 200820189048U CN 201327713 Y CN201327713 Y CN 201327713Y
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- CN
- China
- Prior art keywords
- guide rod
- rod
- secondary guide
- assembly
- leading
- 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
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Abstract
The utility model relates to a compact disk data read-write cassette mechanism which comprises a machine base assembly. A main shaft motor assembly, an optical head assembly, an optical head feeding mechanism, a main guide rod and a sub guide rod are arranged on the machine base assembly, wherein the main shaft motor assembly drives a compact disk to rotate; the optical head feeding mechanism drives the optical head assembly to move; the main guide rod and the sub guide rod guide the optical head assembly to move; regulating assemblies used for regulating the positions of the main guide rod and the sub guide rod are arranged at both ends of the main guide rod and the sub guide rod; the regulating assemblies are arranged on a machine base, and comprise elastic elements and regulating elements; and the main guide rod and the sub guide rod are arranged between the elastic elements and the regulating elements. The utility model obtains high precision of the distance between the compact disk support surface and the optical head assembly through creatively regulating the positions of the two guide rods during the assembly of the cassette mechanism, therefore satisfying the precision requirements of the cassette mechanism on reading and writing blue-ray compact disks and data compact disks with shorter wave length than blue laser.
Description
Technical field
The utility model relates to a kind of data of optical disk reading machine cored structure.
Background technology
Blue light (Blu-ray) or the blue laser that claims Blu-ray disc (Blu-ray Disc is abbreviated as BD) to utilize wavelength to lack (405nm) read and write data, and therefore gain the name.Read or write data and traditional DVD needs shaven head to send red laser (wavelength is 650nm), as a rule the short more laser of wavelength can write down or read more information on unit area.Therefore, the blue light the earth has improved the memory capacity of CD, and for the optical storage product, blue light provides the chance of a leapfrogging growth.
So far, blue light is state-of-the-art huge capacity compact discs form, the huge advance made of BD laser technology, the document files of storage 25GB on a single dish.5 times of this (single dish) DVDs that is existing.On speed, blue light allows 1 to 2 times of writing speed of per second 4.5 to 9,000,000 in other words.
Technically, the more existing CD read and write system accuracy requirement of blue light CD writer Play System is higher, and particularly at core section, head position precision in the movement and kinematic accuracy require higher, and traditional CD read and write system is difficult to satisfy its high-precision requirement.
The utility model content
The technical matters that utility model will solve provides a kind of blue light even shorter laser and/write cassette mechanism structure of wavelength ratio blue light of being suitable for.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of data of optical disk read-write heads cored structure, comprise machine dish holder assembly, leading rod and secondary guide rod that bare headed feed mechanism that the Spindle Motor assembly, head assemblies, the driving head assemblies that drive the CD rotation move and guiding head assemblies move are installed on machine dish holder assembly, are provided with the adjustment assembly of adjusting two guide rod positions at leading rod, secondary guide rod two ends.This adjustment assembly is positioned on the machine dish seat, comprises elastic component and adjustment part, and leading rod, secondary guide rod are installed between elastic component and the adjustment part.
As the improvement to such scheme, above-mentioned adjustment assembly is positioned on the machine dish seat, comprises elastic component and adjustment part, and leading rod, secondary guide rod are installed between elastic component and the adjustment part.This adjustment part can be the adjustment screw, adjusts screw and is supported in leading rod, secondary guide rod below, and this elastic component is arranged at leading rod, secondary guide rod top for pressing down shell fragment.Perhaps, this adjustment part can be and presses down screw, and this elastic component can be a compression spring, and compression spring is supported in leading rod, below, secondary guide rod end, presses down screw and is bolted on the machine dish seat, and the nut of screw is pressed on leading rod, secondary guide rod top.
As the improvement to such scheme, above-mentioned head assemblies is striden and is located between leading rod, the secondary guide rod, and head assemblies is provided with unthreaded hole and the draw-in groove that is respectively applied for interspersed leading rod, secondary guide rod.
As further improvement of these options, above-mentioned bare headed feed mechanism comprises a motor and the screw rod that rotates synchronously with motor, the parallel leading rod of screw rod, secondary guide rod.And head assemblies be provided with bare headed feed mechanism in the helical teeth of screw engages.
The utility model is innovatively by adjusting two guide rod positions when movement is assembled, make the distance between CD supporting surface and the head assemblies reach high precision, thereby satisfy the accuracy requirement of movement read-write Blu-ray Disc and the optical data disk shorter than blue laser wavelength.
Description of drawings
Accompanying drawing 1 is the utility model embodiment one-piece construction synoptic diagram;
Accompanying drawing 2 is present embodiment Spindle Motor assembly and machine dish holder assembly decomposing state structural representation;
Embodiment
For the ease of those skilled in the art will recognize that the utility model is described in further detail below in conjunction with embodiment and accompanying drawing:
Shown in accompanying drawing 1,2, present embodiment provides a kind of high-precision cassette mechanism structure, can be suitable for reading Blu-ray Disc and the optical data disk shorter than blue laser wavelength.
This cassette mechanism structure is installed on CD player inside, comprises machine dish holder assembly 1, and machine dish holder assembly 1 comprises machine dish seat 11.Spindle Motor assembly 2, head assemblies 3, bare headed feed mechanism 4 and leading rod 5, secondary guide rod 6 also are installed on machine dish seat 11.Wherein, Spindle Motor assembly 2 is used for carrying disc and drives optical disk high-speed rotation, comprises the Spindle Motor 21 of vertical machine dish seat 11 installations and is installed on main shaft base station 22 in Spindle Motor 21 rotating shafts, and CD directly is installed on the main shaft base station 22.
Leading rod 5 is parallel two polished rods that are installed on the machine dish seat 11 with secondary guide rod 6, wherein leading rod 5 is near bare headed feed mechanism 4, head assemblies 3 is slidedly arranged on leading rod 5 and the secondary guide rod 6, so the depth of parallelism of head assemblies 3 relative main shaft base stations 22 and highly all need adjusting by leading rod 5 and secondary guide rod 6.This adjustment for convenience, between leading rod 5 and secondary guide rod 6 ends and machine dish seat 11, be provided with and adjust assembly 7, this assembly can be finished the height control at leading rod 5, secondary guide rod 6 two ends, thus change plane that two guide rods form with respect to the depth of parallelism of main shaft base station 22, highly.In this programme, this adjustment assembly 7 comprises the compression spring 73 that is supported in leading rod 5 and secondary guide rod 6 ends below, and 73 pairs of guide rods of compression spring apply power upwards, is equipped with by screw thread on machine dish seat 11 and presses down screw 74.Press down screw 74 and be positioned at by the end of leading rod 5 and secondary guide rod 6, the nut that presses down screw 74 is blocked in leading rod 5 and secondary guide rod 6 tops, and leading rod 5 and secondary guide rod 6 are applied downward power.Press down the height of screw 74 by adjusting, can reach the purpose of regulating leading rod 5 and secondary guide rod 6 positions.
Shaven head feed mechanism 4 is to drive the driving mechanism that head assemblies 3 moves along two guide rods, and this mechanism is installed on the machine dish seat 11 of leading rod 5 sides, comprise motor 41 and with the motor 41 coaxial screw rods that are connected 42, screw rod 42 and leading rod 5, secondary guide rod 6 are parallel.Head assemblies 3 mainly is made up of the shaven head seat 32 of shaven head 31 and fixing shaven head 31, shaven head seat 32 directly is connected with bare headed feed mechanism 4, stride and be located between leading rod 5, the secondary guide rod 6, assembly is provided with unthreaded hole 33 and the draw-in groove 34 that is respectively applied for interspersed leading rod 5, secondary guide rod 6.Be provided with helical teeth with screw rod 42 screw-threaded engagement at shaven head seat 32, during screw rod 42 rotations, cooperate the realization transmission of power by screw thread and helical teeth.Certainly, said mechanism also can adopt gear mechanism to realize, is not described in detail in this.
In addition, adjustment assembly 7 of the present utility model also can be other structures, can reach the purpose of adjusting leading rod 5 and secondary guide rod 6 equally.Adjustment assembly 7 under this form comprises the adjustment screw that is supported in leading rod 5, secondary guide rod 6 belows, adjusts screw and is installed on the machine dish seat 11 by screw thread, presses down shell fragment and be provided with above leading rod 5, secondary guide rod 6.Adjust screw and press down shell fragment respectively from opposite direction to leading rod 5, secondary guide rod 6 application of forces, during adjustment, can reach the purpose of adjusting by the adjustment screw of rotation leading rod 5 and secondary guide rod 6 ends.
The foregoing description is the preferable implementation of the utility model; in addition; the utility model can also have other implementations, need to prove, any conspicuous replacement is all within the utility model protection domain under the prerequisite that does not break away from the utility model design.
Claims (8)
1. data of optical disk read-write heads cored structure, comprise machine dish holder assembly (1), the Spindle Motor assembly (2), the head assemblies (3) that drive the CD rotation is installed on machine dish holder assembly, drives leading rod (5) and secondary guide rod (6) that bare headed feed mechanism (4) that head assemblies moves and guiding head assemblies move, it is characterized in that: the adjustment assembly (7) that is provided with adjustment two guide rod positions at leading rod, secondary guide rod two ends.
2. data of optical disk read-write heads cored structure according to claim 1 is characterized in that: described adjustment component count is 4, is positioned at leading rod, secondary guide rod two ends.
3. data of optical disk read-write heads cored structure according to claim 2 is characterized in that: described adjustment assembly is positioned on the machine dish seat, comprises elastic component and adjustment part, and leading rod, secondary guide rod are installed between elastic component and the adjustment part.
4. data of optical disk read-write heads cored structure according to claim 3 is characterized in that: described adjustment part is adjusted screw and is supported in leading rod, secondary guide rod below for adjusting screw, and described elastic component is arranged at leading rod, secondary guide rod top for pressing down shell fragment.
5. data of optical disk read-write heads cored structure according to claim 3, it is characterized in that: described adjustment part is for pressing down screw (74), elastic component is a compression spring (73), compression spring is supported in leading rod, below, secondary guide rod end, press down screw and be bolted on the machine dish seat, the nut of screw is pressed on leading rod, secondary guide rod top.
6. according to claim 4 or 5 described data of optical disk read-write heads cored structures, it is characterized in that: described head assemblies is striden and is located between leading rod, the secondary guide rod, and head assemblies is provided with unthreaded hole (33) and the draw-in groove (34) that is respectively applied for interspersed leading rod, secondary guide rod.
7. data of optical disk read-write heads cored structure according to claim 6 is characterized in that: described bare headed feed mechanism comprises a motor (41) and the screw rod (42) that rotates synchronously with motor, the parallel leading rod of screw rod, secondary guide rod.
8. data of optical disk read-write heads cored structure according to claim 7 is characterized in that: head assemblies be provided with bare headed feed mechanism in the helical teeth of screw engages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201890481U CN201327713Y (en) | 2008-08-21 | 2008-08-21 | Compact disk data read-write cassette mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201890481U CN201327713Y (en) | 2008-08-21 | 2008-08-21 | Compact disk data read-write cassette mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201327713Y true CN201327713Y (en) | 2009-10-14 |
Family
ID=41179679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201890481U Expired - Fee Related CN201327713Y (en) | 2008-08-21 | 2008-08-21 | Compact disk data read-write cassette mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201327713Y (en) |
-
2008
- 2008-08-21 CN CNU2008201890481U patent/CN201327713Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20130821 |