CN1299131A - Magnet attraction type automatically lifting disk positioner - Google Patents
Magnet attraction type automatically lifting disk positioner Download PDFInfo
- Publication number
- CN1299131A CN1299131A CN 99122876 CN99122876A CN1299131A CN 1299131 A CN1299131 A CN 1299131A CN 99122876 CN99122876 CN 99122876 CN 99122876 A CN99122876 A CN 99122876A CN 1299131 A CN1299131 A CN 1299131A
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- magnet
- disc
- tool
- lifting disk
- automatically lifting
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Abstract
An automatically elevating disc plate press with adsorbing magnetic adsorbs the yoke iron of the disc plate with its circular magnet of the motor rotating disc when the main shaft motor moves upwards and adsorbs with the circular magnet of the clamping plate when the main shaft motor moves downwards, and there is no interference between the chuck box and the disc plate press while automatic elevating. Compared with available disc plate press with elastic sheet or lever mechanism, the said one has less required operating space and less parts and is easy to design and less friction among parts.
Description
The present invention relates to a kind of disc and cover tool, particularly relate to a kind of magnet attraction type automatically lifting disk positioner.
In the DVD-RAM specification that the end of the year 1997, DVD alliance delivered, a disc is arranged, it has the disc cartridge, and is similar with modification Optic disc card box (PD) in the past.Because the about 8mm of thickness of disc cartridge occupies sizable space, when disc cartridge turnover CD player, can cover tool with disc and cause interference, so-called interference, being disc, to cover the tool position not high enough, can touch the disc cartridge and cause damage when disc cartridge turnover CD player, disc also can damage to some extent and causes the loss of data what is more.
In CD player on the market, it all comes the lifting disc to cover tool seizing on the plate one group of leverage with elastic force of (chucking plate) design on both sides by the arms.Please refer to Figure 1A and Figure 1B, its illustrate covers tool and mechanism action synoptic diagram thereof for existing disc.Illustrate as Figure 1A, when the tray body in the CD player 10 moved to disc outside the CD player and puts into the position, this structure can begin action at the elastic force leverage 30 of seizing on both sides by the arms on the plate 20.
At first, during touching lever 32 and separate with tray body 10 in elastic force leverage 30, elastic mechanism 38 can be the shaft 36 that whole lever is propped up in the center of circle with fulcrum 34, the last because drive of shaft 36, and it is understood and disc is covered tool 40 props up.So the disc cartridge not can and disc cover between the tool to produce and interfere.
Please refer to Figure 1B, when tray body 10 moves back in the CD player, because tray body 10 touches and touches lever 32, drive via tray body 10, elastic mechanism 38 can be compressed, therefore shaft 36 can be the center of circle and to pressing down with fulcrum 34, because the drive of shaft 36, disc covers tool 40 and promptly can be pressed down, and then cover the last Spindle Motor of disc (not illustrating) and can rise, and disc is held up, and Spindle Motor covered tool with disc and disc can be fixed this moment, and rotated the read-write program that disc carries out disc.
Yet because existing elastic force leverage 30 must use more part, and assembling is difficult, and moving up and down of elastic force leverage 30 can occupy sizable space, and therefore, all problems all can cause CD player mechanism adverse effect in design.
The object of the present invention is to provide a kind of magnet attraction type automatically lifting disk positioner, when utilizing Spindle Motor to rise, ring magnet on the motor rotating disk adsorbs the yoke that disc covers on the tool, and when Spindle Motor descends, change and adsorb by the ring magnet of seizing on both sides by the arms on the plate, reach automatically lifting disk cover tool and not can with the effect of cartridge interference.
The object of the present invention is achieved like this, a kind of magnet attraction type automatically lifting disk positioner promptly is provided, in order to stablize a discs, it comprises: a Spindle Motor, one axial region top of this Spindle Motor has a rotating disc, and the center of this rotating disc is connected to this axial region, in order to drive this rotating disc when this Spindle Motor rotates, and this Spindle Motor rises to an absorption position when this discs is placed into, and makes this rotating disc can hold this discs; One first magnet is fixed on this rotating disc; One fixed head, this fixed head this rotating disc on this Spindle Motor; One second magnet is fixed in this fixed head; And one disc cover tool, this disc covers has a magnetic conduction substance in the tool, wherein this disc covers tool and is adsorbed in this fixed head by this second magnet, and when this Spindle Motor rises to this absorption position, and this disc covers tool by this first magnet absorption and be overlaid on this discs.
The present invention also provides a kind of magnet attraction type automatically lifting disk positioner, comprise in order to stablize a discs: a Spindle Motor, one axial region top of this Spindle Motor has a rotating disc, the center of this rotating disc is connected to this axial region, in order to when this Spindle Motor rotates, to drive this rotating disc, and this Spindle Motor rises to an absorption position when this discs is placed into, and makes this rotating disc can hold this discs; One first magnet is fixed on this rotating disc; One seizes plate on both sides by the arms, and this is seized plate on both sides by the arms and has a depression, this depression this rotating disc on this Spindle Motor; One second magnet is fixed in this depression bottom; And one disc cover tool, this disc covers has a magnetic conduction substance in the tool, wherein this disc covers tool and is adsorbed in this depression bottom by this second magnet, and when this Spindle Motor rises to this absorption position, and this disc covers tool by this first magnet absorption and be overlaid on this discs.
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail, wherein:
Figure 1A and Figure 1B cover tool and mechanism action synoptic diagram thereof for existing disc;
Fig. 2 illustrates figure for magnet attraction type automatically lifting disk positioner part of the present invention;
Fig. 3 covers tool and seizes plate assembling on both sides by the arms and paint view after finishing for disc;
Fig. 4 paints view for the position that disc cartridge disc when inserting process covers tool;
Fig. 5 paints view for the action that disc cartridge disc after inserting covers tool.
Please refer to Fig. 2, its illustrate illustrates figure for magnet attraction type automatically lifting disk positioner part of the present invention.The part of magnet attraction type automatically lifting disk positioner of the present invention includes: Spindle Motor 130, rotating disc 140, two ring magnets 120 and 150, top discs cover tool 162, the bottom disc covers tool 166, yoke 164 and seizes plate 170 on both sides by the arms.
Spindle Motor 130 is the mechanism that drives the discs rotation in the CD player, so the axial region cover of Spindle Motor 130 is connected to the home position of rotating disc 140, makes that Spindle Motor 130 when rotated can driven rotary dish 140 and stably rotate.
Owing to must preventing when rotated that discs and other part from touching mutually, discs makes the discs sustain damage, so after discs is placed into CD player, Spindle Motor 130 just can rise, and by rotating disc 140 discs is held up to absorption position, and definite discs can not touch other parts when rotated.
Ring magnet 150 (first magnet, the magnet that it magnetizes for axial one pole) is embedded in the rotating disc 140, and its purpose is that Spindle Motor 130 can adsorb disc when rising to absorption position and covers tool.
Above Spindle Motor 130, there is a slice to seize plate 170 (fixed head) on both sides by the arms, this seizes on both sides by the arms a depression 172 on the plate 170, the rotating disc 140 of this depression 172 on the Spindle Motor 130, these depression 172 topmost purposes allow disc cover prodigiosin exactly and enough insert in the depression 172, make discs or disc cartridge in inserting process not can and disc cover between the tool to produce and interfere.
Another ring magnet 120 (second magnet, the magnet that it magnetizes for axial one pole) is fixed in depression 172 bottoms, and its purpose covers tool for still being adsorbed on disc before the no show absorption position at Spindle Motor 130.
Follow and introduce disc and cover tool, disc of the present invention covers tool and covers tool 162 by the top disc, the bottom disc covers tool 166 and magnetic conduction substance 164 (according to present embodiment, this magnetic conduction substance is yoke (yoke)) constituted, the top disc covers tool 162 and covers tool 166 mutual sockets with the bottom disc, it can limit disc and cover tool and seizing moving up and down of plate on both sides by the arms, and make disc cover tool can not break away from and seize plate 170 on both sides by the arms, because the top disc covers the socket that tool 162 and bottom disc cover tool 166, magnetic conduction substance 164 also places the top disc to cover tool 162 and bottom disc and covers between the tool 166 and be fixed, please refer to Fig. 3, its illustrate covers tool and seizes plate assembling on both sides by the arms and paint view after finishing for disc.After combination, disc covers tool 160 can be adsorbed in depression 172 bottoms by ring magnet 120.
Please refer to Fig. 4, its illustrate is painted view for the position that disc cartridge disc when inserting process covers tool.Because disc covers in the tool 160 and has magnetic conduction substance, so this disc does not cover tool and is adsorbed in depression 172 bottoms by ring magnet 120 (second magnet) when Spindle Motor 130 rises to absorption position as yet, Fig. 4 illustrates, insert in the process in disc cartridge 190, disc cover tool 160 not can with disc cartridge 190 and discs 200 interferences.
Please refer to Fig. 5, its illustrate is painted view for the action that disc cartridge disc after inserting covers tool.After disc cartridge 190 is placed into, Spindle Motor 130 promptly can rise, and rotating disc 140 holds up discs 200, when Spindle Motor 130 rises to absorption position, at this moment, because ring magnet 150 (first magnet) is nearer apart from magnetic conduction substance 164, so because the relation of magnetic force, disc covers tool 160 and adsorbed by ring magnet (first magnet) and cover on discs.
The plate of seizing on both sides by the arms of the present invention also can be replaced by the shell inner edge of CD player, promptly directly ring magnet 120 (second magnet) is fixed in the shell inner edge of CD player, make disc cover tool 160 is adsorbed on CD player when discs is not inserted as yet shell inner edge, so more can save and make the cost consumption of seizing plate on both sides by the arms.
The advantage of apparatus of the present invention is, when it utilizes Spindle Motor to rise, ring magnet on the motor rotating disk adsorbs the yoke that disc covers on the tool, and when Spindle Motor descends, change and adsorb by the ring magnet of seizing on both sides by the arms on the plate, reach automatically lifting disk cover tool and not can with the effect of cartridge interference; It also can reduce start space and number of parts effectively; And the friction that it more can reduce the difficulty of design and assembling and avoid producing between each element.
In sum; though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to limit the present invention; any person skilled in the art person; without departing from the spirit and scope of the present invention; can be used for a variety of modifications and variations, thus protection scope of the present invention should be considered as enclosing claim defined is as the criterion.
Claims (17)
1. magnet attraction type automatically lifting disk positioner, in order to stablize a discs, it comprises:
One Spindle Motor, one axial region top of this Spindle Motor has a rotating disc, the center of this rotating disc is connected to this axial region, in order to when this Spindle Motor rotates, to drive this rotating disc, and this Spindle Motor rises to an absorption position when this discs is placed into, and makes this rotating disc can hold this discs;
One first magnet is fixed on this rotating disc;
One fixed head, this fixed head this rotating disc on this Spindle Motor;
One second magnet is fixed in this fixed head; And
One disc covers tool, this disc covers has a magnetic conduction substance in the tool, wherein this disc covers tool and is adsorbed in this fixed head by this second magnet, and when this Spindle Motor rises to this absorption position, and this disc covers tool by this first magnet absorption and be overlaid on this discs.
2. magnet attraction type automatically lifting disk positioner as claimed in claim 1, wherein this first magnet is a ring magnet.
3. magnet attraction type automatically lifting disk positioner as claimed in claim 2, wherein this ring magnet is the magnet that an axial one pole magnetizes.
4. magnet attraction type automatically lifting disk positioner as claimed in claim 1, wherein this second magnet is a ring magnet.
5. magnet attraction type automatically lifting disk positioner as claimed in claim 4, wherein this ring magnet is the magnet that an axial one pole magnetizes.
6. magnet attraction type automatically lifting disk positioner as claimed in claim 1, wherein this magnetic conduction substance is a yoke.
7. magnet attraction type automatically lifting disk positioner as claimed in claim 1, wherein this fixed head is to seize plate on both sides by the arms.
8. magnet attraction type automatically lifting disk positioner as claimed in claim 7, wherein this is seized plate on both sides by the arms and has more a depression, this depression this rotating disc on this Spindle Motor, and this first magnet is fixed in this depression bottom.
9. magnet attraction type automatically lifting disk positioner as claimed in claim 7, wherein this disc cover tool by a top disc cover tool, a bottom disc covers tool and this magnetic conduction substance is constituted, this top disc covers tool and this bottom disc and covers tool and cover tool in order to limit this disc, makes this disc cover tool and can not break away from this and seize plate on both sides by the arms.
10. magnet attraction type automatically lifting disk positioner as claimed in claim 1, wherein this fixed head is the shell of a CD player.
11. a magnet attraction type automatically lifting disk positioner comprises in order to stablize a discs:
One Spindle Motor, one axial region top of this Spindle Motor has a rotating disc, the center of this rotating disc is connected to this axial region, in order to when this Spindle Motor rotates, to drive this rotating disc, and this Spindle Motor rises to an absorption position when this discs is placed into, and makes this rotating disc can hold this discs;
One first magnet is fixed on this rotating disc;
One seizes plate on both sides by the arms, and this is seized plate on both sides by the arms and has a depression, this depression this rotating disc on this Spindle Motor;
One second magnet is fixed in this depression bottom; And
One disc covers tool, this disc covers has a magnetic conduction substance in the tool, wherein this disc covers tool and is adsorbed in this depression bottom by this second magnet, and when this Spindle Motor rises to this absorption position, and this disc covers tool by this first magnet absorption and be overlaid on this discs.
12. magnet attraction type automatically lifting disk positioner as claimed in claim 11, wherein this first magnet is a ring magnet.
13. magnet attraction type automatically lifting disk positioner as claimed in claim 12, wherein this ring magnet is the magnet that an axial one pole magnetizes.
14. magnet attraction type automatically lifting disk positioner as claimed in claim 11, wherein this second magnet is a ring magnet.
15. magnet attraction type automatically lifting disk positioner as claimed in claim 14, wherein this ring magnet is the magnet that an axial one pole magnetizes.
16. magnet attraction type automatically lifting disk positioner as claimed in claim 11, wherein this magnetic conduction substance is a yoke.
17. magnet attraction type automatically lifting disk positioner as claimed in claim 11, wherein this disc cover tool by a top disc cover tool, a bottom disc covers tool and this magnetic conduction substance is constituted, this top disc covers tool and this bottom disc and covers tool and cover tool in order to limit this disc, makes this disc cover tool and can not break away from this and seize plate on both sides by the arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991228766A CN1142548C (en) | 1999-12-06 | 1999-12-06 | Magnet attraction type automatically lifting disk positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991228766A CN1142548C (en) | 1999-12-06 | 1999-12-06 | Magnet attraction type automatically lifting disk positioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1299131A true CN1299131A (en) | 2001-06-13 |
| CN1142548C CN1142548C (en) | 2004-03-17 |
Family
ID=5282691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991228766A Expired - Fee Related CN1142548C (en) | 1999-12-06 | 1999-12-06 | Magnet attraction type automatically lifting disk positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1142548C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7467397B2 (en) | 2003-11-13 | 2008-12-16 | Qisda Corporation | Disc player |
| CN112201282A (en) * | 2020-11-10 | 2021-01-08 | 深圳冠兰达电子科技有限公司 | CD machine with CD in-out bin protection function |
-
1999
- 1999-12-06 CN CNB991228766A patent/CN1142548C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7467397B2 (en) | 2003-11-13 | 2008-12-16 | Qisda Corporation | Disc player |
| CN112201282A (en) * | 2020-11-10 | 2021-01-08 | 深圳冠兰达电子科技有限公司 | CD machine with CD in-out bin protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1142548C (en) | 2004-03-17 |
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Granted publication date: 20040317 Termination date: 20151206 |
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| EXPY | Termination of patent right or utility model |