CN2650293Y - Optical disc machine with optical-disc bearing structure capable of preventing optical disc from shocking - Google Patents
Optical disc machine with optical-disc bearing structure capable of preventing optical disc from shocking Download PDFInfo
- Publication number
- CN2650293Y CN2650293Y CN 200320100949 CN200320100949U CN2650293Y CN 2650293 Y CN2650293 Y CN 2650293Y CN 200320100949 CN200320100949 CN 200320100949 CN 200320100949 U CN200320100949 U CN 200320100949U CN 2650293 Y CN2650293 Y CN 2650293Y
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- CN
- China
- Prior art keywords
- steel ball
- groove
- optical disk
- player
- disk supporter
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Abstract
The utility model discloses a CD driver with an anti-shock CD bearing structure, which comprises a motor base, a mandrel rotary rod, a rotor and a CD bearing structure. The mandrel rotary rod is located rotatable on the motor base, the rotor is arranged on the mandrel rotary rod and ensures that the mandrel rotary rod part extruded out of the roof of rotor. The CD bearing structure comprises a bearing part, a positioning part and a steel ball, the bearing part is arranged on the top end of the mandrel rotary rod to carry the CD. The positioning part is arranged on the bearing part to fasten with a central positioning hole of CD. The side of the positioning part has a recess, the steel ball can be flexibly located in the recess, and pulled or suctioned by the inner pull force. When the CD bearing structure rotates, exposure part of the steel ball is located outside the opening of the recess to holddown the CD.
Description
Technical field
The utility model relates to a kind of CD player, relates in particular to a kind of CD player with the Optical disk supporter structure that can prevent the CD vibrations.
Background technology
In the epoch of crescent strange land development of current Science and Technology Day,, make the CD that possesses high storage capacity become important software carrier in modern's daily life along with the application popularization of picture, music, film and computer software.CD can be divided into CD and DVD, but it has that capacity is big, volume is little and the characteristic of safe storage data, thereby enjoys masses to like and adopt.In addition, therefore the CD player that can read CD and DVD also becomes one of basic configuration of PC.
CD player comprises an optical read head (pickup head) and a Spindle Motor (spindlemotor) at least, and Spindle Motor is in order to carrying disc and high-speed rotation CD, and optical read head is in order to read the data of CD.Part-structure as for traditional CD player is as follows with accompanying drawings.
Please be simultaneously with reference to Figure 1A and Figure 1B, Figure 1A be the part vertical view of conventional optical disc machine, Figure 1B is the sectional view of the CD player dissectd along Figure 1A section line 1B-1B '.In Figure 1A and Figure 1B, CD player 11 comprises one at least in order to carry and to rotate the Spindle Motor 10 of a CD 19, and Spindle Motor 10 comprises a motor base (base) 12, a rotor (rotor) 14, a main shaft bull stick (shaft) 16 and a rotating disk (turntable) 18 at least.Main shaft bull stick 16 rotatably is arranged on the motor base 12, and rotor 14 has a rotor end face 14a, rotor 14 so that the mode of the outstanding rotor end face 14a of main shaft bull stick 16 parts be arranged on the main shaft bull stick 16.Rotating disk 18 is arranged on the top of main shaft bull stick 16, in order to carrying disc 19.Rotating disk 18 comprises a supporting part 18a and a location division 18b, and supporting part 18a is connected with main shaft bull stick 16, in order to carrying disc 19.Location division 18b is arranged on the supporting part 18a, in order to the center positioning hole snapping of CD 19, make CD 19 be fixed on the rotating disk 18.
When rotating disk 18 and CD 19 rotates synchronously, if the structure defectiveness of CD 19 itself produces loosening phenomenon when being seated on the rotating disk 18 as CD 19, perhaps CD player 11 all will cause CD 19 to produce vibrations in rotating process because of carelessness by external force collision.Thus, the optical read head in the CD player 11 can't read the data of CD 19, cause CD player 11 to produce the serious sheet problem of choosing.
The utility model content
Given this, task of the present utility model provides a kind of CD player with the Optical disk supporter structure that can prevent the CD vibrations.Its steel ball can be pushed down CD when the Optical disk supporter structure is rotated, thereby can prevent that CD from producing seismism when rotating, and avoids producing the phenomenon that the data of CD can't be read, and in addition, also can reduce the degree that CD player is chosen sheet.
According to the utility model, the Optical disk supporter structural arrangements of the prevented CD vibrations that proposed is at the top of a Spindle Motor.Described Optical disk supporter structure comprises a supporting part, a location division and a steel ball, and supporting part is in order to carrying disc.The location division is arranged on the supporting part, in order to the center positioning hole snapping of CD.The side of location division has at least one groove, and steel ball is arranged in the groove in mobilizable mode, and is established pulling force in one and hold or hold.When the Optical disk supporter structure is rotated, steel ball because of centrifugal force greater than the interior pulling force exposed portions serve structure of establishing outside the opening of groove, following press polish dish; When the Optical disk supporter structure stops operating, steel ball because of in establish pulling force and be incorporated in the groove.
According to a purpose more of the present utility model, a kind of CD player with the Optical disk supporter structure that can prevent the CD vibrations that is proposed comprises a motor base, a main shaft bull stick, a rotor and an Optical disk supporter structure.The main shaft bull stick rotatably is arranged on the motor base, and rotor has a rotor end face, rotor so that the mode of the partly outstanding rotor end face of main shaft bull stick be arranged on the main shaft bull stick.The Optical disk supporter structure comprises a supporting part, a location division and a steel ball, and supporting part is disposed on the top of main shaft bull stick, in order to carrying disc.The location division is arranged on the supporting part, in order to the center positioning hole snapping of CD.The side of location division has at least one groove, and steel ball is arranged in the groove in mobilizable mode, and is established pulling force in one and hold or hold.When the Optical disk supporter structure is rotated, steel ball because of centrifugal force greater than the interior pulling force exposed portions serve structure of establishing outside the opening of groove, following press polish dish; When the Optical disk supporter structure stops operating, steel ball because of in establish pulling force and be incorporated in the groove.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, preferred implementation cited below particularly also elaborates in conjunction with the accompanying drawings.In the accompanying drawing:
Figure 1A is the part vertical view of traditional CD player;
Figure 1B is the sectional view of the CD player dissectd along Figure 1A section line 1B-1B ';
Fig. 2 A is for preventing the part vertical view of the CD player of the Optical disk supporter structure that CD shakes according to having of embodiment one of the present utility model;
Fig. 2 B is the sectional view of the CD player dissectd along Fig. 2 A section line 2B-2B ';
Fig. 3 A is the vertical view of the state when Spindle Motor and CD rotate among Fig. 2 A;
The sectional view of the state when Fig. 3 B rotates for the Spindle Motor that dissects along Fig. 3 A section line 3B-3B ' and CD;
Fig. 4 is for preventing the fragmentary cross-sectional view of the CD player of the Optical disk supporter structure that CD shakes according to having of embodiment two of the present utility model;
Fig. 5 is the sectional view of the Spindle Motor of Fig. 4 and the CD state when rotating.
The drawing reference numeral explanation
10,20,40 Spindle Motors
11,21,41 CD player
12,22 motor bases
14,24 rotors
14a, 24a rotor end face
6,26 main shaft bull sticks
18 rotating disks
18a, 28a, 48a supporting part
18b, 28b, 48b location division
19,29,49 CDs
28,48 Optical disk supporter structures
32 magnet
34a, 34b, 44a, 44b groove
36a, 36b, 46a, 46b steel ball
47a, 47b elastic body
Embodiment
Embodiment one
Please be simultaneously with reference to Fig. 2 A to Fig. 2 B, Fig. 2 A is the part vertical view of the CD player of the Optical disk supporter structure that can prevent the CD vibrations according to having of embodiment one of the present utility model, the sectional view of the CD player that Fig. 2 B dissects for the profile line 2B-2B ' along Fig. 2 A.In Fig. 2 A and Fig. 2 B, CD player 21 comprises a Spindle Motor 20 in order to carrying and rotating disc 29 at least, and Spindle Motor 20 comprises a motor base (base) 22, a rotor (rotor) 24, a main shaft bull stick (shaft) 26 and an Optical disk supporter structure 28.Main shaft bull stick 26 rotatably is arranged on the motor base 22, and rotor 24 has a rotor end face 24a, rotor 24 so that the mode of the outstanding rotor end face 24a of main shaft bull stick 26 parts be arranged on the main shaft bull stick 26.Optical disk supporter structure 28 is configured on the top of main shaft bull stick 26, in order to carrying disc 29.
The Optical disk supporter structure 28 that is arranged on Spindle Motor 20 tops comprises a supporting part 28a, a location division 28b, a magnet 32 and at least one steel ball, as steel ball 36a and 36b.Supporting part 28a is in order to carrying disc 29, and location division 28b is arranged on the supporting part 28a, in order to the center positioning hole snapping of CD 29.The side of location division 28b has at least one groove, as groove 34a and 34b.Wherein, the number of groove is corresponding with the number of steel ball.Steel ball 36a and 36b are arranged among groove 34a and the 34b in mobilizable mode, be embedded in the magnet 32 among the 28b of location division, and between steel ball 36a and 36b.The magnetic force of magnet 32 will be as establishing pulling force in the Optical disk supporter structure 28, to hold steel ball 36a and 36b.The volume that it should be noted that groove must be greater than the volume of steel ball, and groove can hold steel ball down, and steel ball can be movable in groove.In addition, the aperture area of groove should can avoid steel ball to detach groove less than the maximum secting area of steel ball.
When CD 29 is placed on the Optical disk supporter structure 28 or when Optical disk supporter structure 28 was taken out, steel ball 36a and 36b were incorporated in respectively among groove 34a and the 34b because of the magnetic force of magnet 32.When Optical disk supporter structure 28 and CD 29 rotation synchronously, steel ball 36a and 36b move outward because of the magnetic force of centrifugal force greater than magnet 32, and the exposed portions serve structure is outside the opening of groove 34a and 34b respectively, and following press polish dish 29 is shown in Fig. 3 A and Fig. 3 B.It should be noted that the minimum point of opening of groove 34a and 34b and the thickness that the distance between supporting part 28a and the end face should be slightly less than CD 29, make the outer part-structure of the opening that is exposed to groove 34a and 34b respectively of steel ball 36a and 36b can be pressed onto CD 29.
The rotating speed of Optical disk supporter structure 28 is high more, the suffered centrifugal force of steel ball 36a and 36b is big more, the part-structure that the opening that is exposed to groove 34a and 34b respectively of steel ball 36a and 36b is outer and the contact area of CD 29 are big more, the strength that steel ball 36a and 36b press down CD 29 is big more, thereby can guarantee to prevent that CD 29 from producing vibrations when rotating.When Optical disk supporter structure 28 and CD 29 stopped operating, steel ball 36a and 36b were incorporated in respectively among groove 34a and the 34b because of the magnetic force of magnet 32, and for example shown in Fig. 2 A and Fig. 2 B.
Embodiment two
Please refer to Fig. 4, this figure is the fragmentary cross-sectional view that can prevent the CD player of the Optical disk supporter structure that CD shakes according to having of embodiment two of the present utility model.In Fig. 4, CD player 41 comprises one at least in order to carry and to rotate the Spindle Motor 40 of a CD 49.Wherein, the Spindle Motor 40 of present embodiment is the Optical disk supporter structure Design with Spindle Motor 20 differences of embodiment one, as for other identical structures, does not repeat them here.The Optical disk supporter structure 48 that is arranged at the top of Spindle Motor 40 comprises a supporting part 48a, a location division 48b, at least one elastic body and at least one steel ball, as elastic body 47a and 47b and steel ball 46a and 46b.Supporting part 48a is arranged on the top of main shaft bull stick 26, and in order to carrying disc 49, location division 48b is arranged on the supporting part 48a, in order to the center positioning hole snapping of CD 49, the side of location division 48b has at least one groove, as groove 44a and 44b.Wherein, the number of groove is corresponding with the number of steel ball.Steel ball 46a and 46b are arranged among groove 44a and the 44b in mobilizable mode, and elastic body 47a and 47b are arranged at respectively among groove 44a and the 44b, in order to the bottom land that connects steel ball 46a and groove 44a respectively and the bottom land of steel ball 46b and groove 44b.Establish pulling force in the elastic force conduct of elastic body 47a and 47b, to hold steel ball 46a and 46b respectively.The volume that it should be noted that groove must be greater than the volume of steel ball, and groove can hold steel ball down, and steel ball can be movable in groove.In addition, the aperture area of groove should can avoid steel ball to detach groove less than the maximum secting area of steel ball.
When CD 49 is placed on the Optical disk supporter structure 48 or when Optical disk supporter structure 48 was taken off, steel ball 46a and 46b were incorporated among groove 44a and the 44b because of the elastic force of elastic body 47a and 47b respectively.As shown in Figure 5, when Optical disk supporter structure 48 and CD 49 rotation synchronously, steel ball 46a and 46b move outward greater than the elastic force of elastic body 47a and 47b respectively because of centrifugal force, and distinguish the exposed portions serve structure outside the opening of groove 44a and 44b, following press polish dish 49.It should be noted that the minimum point of opening of groove 44a and 44b and the thickness that the distance between supporting part 48a and the end face should be slightly less than CD 49, make the outer part-structure of the opening that is exposed to groove 44a and 44b respectively of steel ball 46a and 46b can be pressed onto CD 49.
The rotating speed of Optical disk supporter structure 48 is high more, the suffered centrifugal force of steel ball 46a and 46b is big more, the part-structure that the opening that is exposed to groove 44a and 44b respectively of steel ball 46a and 46b is outer and the contact area of CD 49 are big more, the strength that steel ball 46a and 46b press down CD 49 is big more, thereby can guarantee to prevent that CD 49 from producing vibrations when rotating.When Optical disk supporter structure 48 and CD 49 stopped operating, steel ball 46a and 46b are incorporated among groove 44a and the 44b because of the elastic force of elastic body 47a and 47b respectively, and be and for example shown in Figure 4.
The CD player that the above-mentioned embodiment of the utility model is disclosed with the Optical disk supporter structure that can prevent the CD vibrations, its steel ball can be pushed down CD when the Optical disk supporter structure is rotated, thereby can prevent that CD from producing vibrations when rotating, thereby the phenomenon that the data that can avoid producing CD can't be read, and can reduce the degree that CD player is chosen sheet.
In sum; though the utility model discloses as above with preferred implementation; yet described embodiment is not to be to qualification of the present utility model; any those skilled in the art is under the prerequisite that does not exceed design of the present utility model and protection domain; can make various changes and retouching; therefore, protection domain of the present utility model should be as the criterion with appending claims scope required for protection.
Claims (6)
1. CD player with the Optical disk supporter structure that can prevent CD vibrations comprises:
One motor base;
One main shaft bull stick, it rotatably is arranged on the described motor base;
One rotor, this rotor have a rotor end face, and so that the mode of partly outstanding this rotor end face of described main shaft bull stick be arranged on the described main shaft bull stick; And
One Optical disk supporter structure is characterized in that: this bearing structure comprises:
One is arranged on the top of described main shaft bull stick the supporting part in order to carrying disc;
One be arranged on the described supporting part in order to the location division of the center positioning hole snapping of described CD, the side of this location division has at least one groove; And
One is arranged in the described groove in movable mode, and establishes the steel ball that pulling force is held or held in one;
When this Optical disk supporter structure is rotated, described steel ball because of centrifugal force greater than the interior pulling force exposed portions serve structure of establishing outside the opening of described groove, to press down described CD;
When this Optical disk supporter structure stops operating, described steel ball because of in establish pulling force and be incorporated in the described groove.
2. CD player as claimed in claim 1 is characterized in that: described Optical disk supporter structure also comprises:
Be embedded in the magnet in the described location division in one, the magnetic force of this magnet is to establish pulling force in described, to hold described steel ball.
3. CD player as claimed in claim 1 is characterized in that: described Optical disk supporter structure also comprises:
One be arranged in the above-mentioned groove, in order to the elastic body of the bottom land that connects described steel ball and described groove, this elastomeric elastic force is to establish pulling force in described, to hold described steel ball.
4. CD player as claimed in claim 1 is characterized in that: the aperture area of described groove is less than the maximum secting area of described steel ball.
5. CD player as claimed in claim 1 is characterized in that: the distance between the minimum point of the opening of described groove and the end face of described supporting part is less than the thickness of described CD.
6. CD player as claimed in claim 1 is characterized in that: the volume of described groove is greater than the volume of described steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320100949 CN2650293Y (en) | 2003-10-17 | 2003-10-17 | Optical disc machine with optical-disc bearing structure capable of preventing optical disc from shocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320100949 CN2650293Y (en) | 2003-10-17 | 2003-10-17 | Optical disc machine with optical-disc bearing structure capable of preventing optical disc from shocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2650293Y true CN2650293Y (en) | 2004-10-20 |
Family
ID=34339469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320100949 Expired - Fee Related CN2650293Y (en) | 2003-10-17 | 2003-10-17 | Optical disc machine with optical-disc bearing structure capable of preventing optical disc from shocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2650293Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446105C (en) * | 2005-12-30 | 2008-12-24 | 上海乐金广电电子有限公司 | CD damage preventing device of suction type CD player |
-
2003
- 2003-10-17 CN CN 200320100949 patent/CN2650293Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446105C (en) * | 2005-12-30 | 2008-12-24 | 上海乐金广电电子有限公司 | CD damage preventing device of suction type CD player |
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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 |