CN101315791B - Suction type CD device and its driving member - Google Patents
Suction type CD device and its driving member Download PDFInfo
- Publication number
- CN101315791B CN101315791B CN2007101081059A CN200710108105A CN101315791B CN 101315791 B CN101315791 B CN 101315791B CN 2007101081059 A CN2007101081059 A CN 2007101081059A CN 200710108105 A CN200710108105 A CN 200710108105A CN 101315791 B CN101315791 B CN 101315791B
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- Prior art keywords
- optical drive
- suction
- type optical
- guide groove
- actuator
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Abstract
The invention discloses a suction optical drive and a driving part thereof. A rack is arranged at the front end of the driving part corresponding to the position of a stopping point of the driving part in the suction optical drive; the rack scrapes half teeth of a plurality of continuous gear teeth to form hobbing teeth; the rear end of the driving part is provided with a guide slot, a retaining wall protrudes from the side end of the bottom edge of the guide slot, and the retaining wall protrudes for a length compared with the bottom edge of the guide slot; a guide pin protrudes from a piece withdrawing unit, is embedded in the guide slot and interlinked with a piece withdrawing pole, so as to cause the retaining wall to be positioned on a final path through which the guide pin returns to an initial position; when the suction optical drive is positioned at the initial position, the guide pin pushes against the retaining wall; the piece withdrawing pole protracts to form a splicing end which can maintain a smaller protracting angle by the interlinking of the piece withdrawing unit, so as to prevent the piece from being blocked.
Description
Technical field
The present invention relates to a kind of suction-type optical drive, particularly relate in a kind of suction-type optical drive, in order to drive the actuator of discs advance and retreat sheet.
Background technology
Guide rod is organized in the suction-type optical drive utilization more, via the connecting rod interaction relation, brings or release discs into CD player automatically, and is more easy than the use of pellet type CD player, thereby becomes the emerging main product of CD player gradually.
Fig. 1 shows existing suction-type optical drive 10 inner structures, when initial, guide groove 12 on the actuator 11, what allow the link gear 14 that moves back sheet bar 13 leads the tip 15, be contacted with the root edge of guide groove 12, make be located at suction-type optical drive 10 rear sides move back sheet bar 13, keep the angle A of protracting, about 45 degree are to meet the discs D of insertion.When discs D inserts by close suction-type optical drive 10 gateways are central, but sheet bar 13 is moved back in pusher and rotation.Suction-type optical drive 10 1 sensor light disc D stretch into appropriate depth, promptly start a gearing (figure does not show) and promote actuator 11 to front slide, drive sheet bar 16 and move back 13 rotations of sheet bar, make be located at the gateway side advance sheet bar 16 by discs D front periphery, discs D is dialled in suction-type optical drive 10, cooperate the backstay 17 of being located at suction-type optical drive 10 rear ends by moving back sheet bar 13 simultaneously, accept discs D rear end periphery respectively, and direct light disc D is to the location, actuator 11 drives movement 18 again and rises, make the Spindle Motor 19 folder pincers discs D on it, and rotating disc sheet D plays.
Yet originally suction-type optical drive 10 only develops 12 centimeters large scale discs of application diameter, for enlarging the scope of application, attaches mechanisms such as distinguishing the size dimension discs, so that be suitable for 8 centimeters small size discs D.But D is less for the small size discs, inserts the suction-type optical drive 10 of 12 centimeters large scale discs of former use, and it is bigger to insert the space relatively, and therefore the path of inserting can't strictly be limited.When small size discs D inserts suction-type optical drive 10 with position shown in Figure 1, that advances sheet bar 16 and the A angle of protracting moves back sheet bar 13, the power that acts on discs D periphery is respectively F1 and F2, and directed force F 1 and F2 are positioned at opposite side and direction is almost opposite, cause sheet bar 16 into to dial in the acting force of discs D, moved back sheet bar 13 and withstand and offset, caused discs D card and fault, reduced the fiduciary level of suction-type optical drive 10.Therefore, existing suction-type optical drive is advancing on the fiduciary level of sheet, still has problem to need to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of suction-type optical drive and actuator thereof, by actuator barricade is set, the initial angle of protracting of sheet bar is moved back in restriction, avoids the discs card, to improve the fiduciary level of suction-type optical drive.
Another purpose of the present invention is to provide a kind of actuator of suction-type optical drive, and with the relative part gear teeth of halt on the actuator tooth bar, half tooth of pruning blocks preventing.
In order to reach the purpose of aforementioned invention, suction-type optical drive of the present invention and actuator thereof, be that an actuator front end is provided with tooth bar, the position of relative actuator halt in suction-type optical drive, tooth bar is with continuous a plurality of gear teeth half tooth of pruning, tooth is cut in formation, the rear end is provided with guide groove, guide groove root edge side protrudes a barricade, barricade protrudes a height than the root edge of guide groove, and one moves back blade unit protrusion one leads in the tip embedding guide groove, and interlock one moves back the sheet bar, barricade is positioned at lead the tip and is back on the final path of reference position, when suction-type optical drive during, lead the tip and peak on the barricade, via moving back the blade unit interlock in reference position, make and move back the tab end that the sheet bar protracts, keep the less angle of protracting.
Description of drawings
Fig. 1 is the cut-away view of existing suction-type optical drive;
Fig. 2 is the structural drawing of suction-type optical drive associated components of the present invention;
Fig. 3 takes off the action synoptic diagram of tooth for tooth bar;
Fig. 4 finishes the into structural drawing of sheet for suction-type optical drive of the present invention.
The main element symbol description
10 existing suction-type optical drives
11 actuators
12 guide grooves
13 move back the sheet bar
14 link gears
15 lead the tip
16 advance the sheet bar
17 backstays
18 movements
19 Spindle Motors
100 suction-type optical drives of the present invention
110 casings
111 gateways
112 movements
113 Spindle Motors
120 gear units
121 drive motors
122 gear sets
123 worm gears
124 first gears
125 second gears
126 the 3rd gears
130 actuators
131 tooth bars
Cut tooth before 132
Cut tooth after 133
134 guide grooves
135 barricades
140 advance blade unit
141 slide plates
142 traces
143 advance the sheet bar
144 chutes
145 actuation slots
150 move back blade unit
151 first connecting rods
152 second connecting rods
153 move back the sheet bar
154 first connection shafts
155 lead the tip
156 second connection shafts
157 fulcrums
158 tab end
The D discs
Embodiment
Relevant the present invention is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof are lifted preferred embodiment now, and conjunction with figs. is illustrated as follows.
Please refer to Fig. 2, be the relevant inner structure of suction-type optical drive of the present invention 100.Suction-type optical drive 100 mainly comprises casing 110, gear unit 120, actuator 130, advances blade unit 140 and moves back blade unit 150.Gear unit 120 is set in the casing 110 supplies with power, drive actuator 130 front and back and slidably reciprocate, by the advancing blade unit 140 and move back blade unit 150 of actuator 130 interlocks and its binding, with the sheet of advancing and retreat.
Wherein, casing 110 inside are hollow, and front end is gateway 111, include movement 112, movement 112 1 ends are hubbed at the inner side edge of casing 110 near gateway 111, and movement 112 can be rotated, and be located at the Spindle Motor 113 of movement 112 other ends, can rise or descend.Gear unit 120 is located at the gateway 111 of nearly casing 110, comprises drive motor 121 and gear set 122.The power source of drive motor 121 for rotating, gear set 122 is made of worm gear 123, first gear 124, second gear 125 and the 3rd gear 126, worm gear 123 is attached in the rotating shaft of drive motor 121, first gear 124 meshes with second gear 125, the 3rd gear 126 after meshing with worm gear 123 more in regular turn.When drive motor 121 was rotated, power can rotate the 3rd gear 126 in regular turn via worm gear 123, first gear 124, second gear 125 of gear set 122.
In addition, advance the side that blade unit 140 is located at actuator 130, comprise slide plate 141, trace 142 and advance sheet bar 143.The side of slide plate 141 1 sides and actuator 130 is connected, and can slidably reciprocate with actuator 130, and slide plate 141 is provided with several chutes 144, and casing 110, one ends are fixed in rotationally along chute 144 slips in trace 142 centers, rotate to drive the other end.Advance the side that sheet bar 143 1 ends are rotatably mounted to CD player 100, advance and establish actuation slot 145 in the sheet bar 143, rotate end for trace 142 and slide within it, allow actuator 130 drive traces 142, rotate and dial in discs D to drive sheet bar 143 via slide plate 141.
Move back blade unit 150 and be located at the rear side of casing 110, comprise first connecting rod 151, second connecting rod 152 and move back sheet bar 153.First connecting rod 151 1 ends are rotatably mounted on the casing 110 of actuator 130 rear end sides, the other end have one first connection shaft 154 and protrude lead the tip 155, lead the tip 155 and embed in the guide grooves 134, slide along guide groove 134.One end of second connecting rod 152 and connection shaft 154 link, and the other end forms one second connection shaft 156, the horizontal opposite side that stretches to casing 100.Move back opposite side that sheet bar 153 1 ends are rotatably mounted to casing 110 with fulcrum 157 by the rear end, move back sheet bar 153 and form with second connection shaft 156 near fulcrum 157 ends and link, the other end then tiltedly protracts and forms tab end 158 to gateway 111.Therefore, actuator 130 can pass through guide groove 134, moves and leads the tip 155, makes to lead the tip 155 rotation first connecting rods 151, and then promotes second connecting rod 152, second connecting rod 152 is driven move back sheet bar 153, allows and moves back sheet bar 153 with fulcrum 157 rotations, and rotate tab end 158.
Therefore, after suction-type optical drive 100 is finished the advance and retreat sheet, gear unit 120 moves to reference position shown in Figure 2 with actuator 130, and stop drive motor 121 and rotate, the guide groove 134 of actuator 130 drives leads the tip 155, retreat to guide groove 134 root edge sides, because the barricade 135 that the root edge side of guide groove 134 protrudes, be positioned at and lead the tip 155 and be back on the final path of reference position, make and lead the tip 155 and only can rely on the barricade 135, thereby protrude a barricade 135 height, make the reference position of first connecting rod 151 move forward an angle than the root edge of guide groove 134, via second connecting rod 152, also promote to move back sheet bar 153 and rotate, tab end 158 is inwardly rotated, form a less angle B of protracting around fulcrum 157, with about 15 degree of the horizontal line angle of cut, reach initial position.Even discs D path as shown in Figure 2, abnormal oblique cutting is gone into gateway 111, because the tab end 158 of moving back sheet bar 153 is moved after, sheet bar 143 acts on the directed force F 3 of discs D and moves back the directed force F 4 that sheet bar 153 acts on discs D with making into, not on same line, and can dial in discs D, avoid card.
Simultaneously; move to reference position at actuator 130, lead the tip 155 when relying on barricade 135, though stop drive motor 121; but the rotator inertia of drive motor 121 and gear set 122; regular meeting produces the situation of taking off tooth as shown in Figure 3, and also, the gear teeth of the 3rd gear 126 are because of rotator inertia; the gear teeth that cause tip layering 131; and be resisted against on the gear teeth of tooth bar 131, form not engagement, shown in dotted line.After taking off tooth, when drive motor starts once again, during the turning gear wheels, because the 3rd gear 126 quick rotation, tooth bar 131 as have little time reinstatement will form idle running, influence the transmission accuracy of the sheet of advancing and retreat, and cause blocking.Especially for alleviating the CD player overall weight, make actuator, cause actuator intensity to reduce the easier tooth that takes off with plastic cement material.Please join Fig. 2 again, therefore, the present invention cuts tooth with tooth bar 131 at the continuous part gear teeth that actuator 130 opens relative the 3rd gear of halt 126 positions of beginning, cut tooth 132 before the formation, present embodiment is with main two gear teeth of tooth bar 131 pressurizeds half tooth of pruning approximately, reduce tooth bar 131 is subjected to gear set 122 inertia when actuator 130 stops the roof pressure of pushing, reduce and hinder gear set 122 inertia, allow gear set 122 pass through fast, the retaining part engagement, to treat that transmission motor 121 starts once again, keep correct advance and retreat sheet transmission.
Fig. 4 shows that suction-type optical drive 100 of the present invention finishes the into state of sheet.Suction-type optical drive 100 in like manner need stop actuator 130 when finishing into sheet, the rotator inertia of drive motor 121 and gear set 122, the also normal situation of taking off tooth that produces.The present invention also cuts tooth with tooth bar 131 at the part gear teeth that actuator 130 enters relative the 3rd gear of halt 126 positions that sheet finishes, cut tooth 133 after the formation, when stopping, actuator 130 is subjected to roof pressure to reduce tooth bar 131, and the retaining part engagement, to keep the transmission of normal advance and retreat sheet.
Via suction-type optical drive of the present invention and actuator thereof, at actuator barricade is set, the initial angle of protracting of sheet bar is moved back in restriction, make the angle of protracting less than the former angle of protracting, avoid into the acting force of sheet bar to be moved back the payment of sheet bar, and can prevent the discs card, to improve the fiduciary level of product.In addition, with the part gear teeth of relative halt on the actuator tooth bar, half tooth of pruning reduces tooth bar and be subjected to roof pressure when actuator stops, and the retaining part engagement, to keep normal advance and retreat sheet, prevents card in addition in the present invention.
The above person, only in order to convenient explanation preferred embodiment of the present invention, scope of the present invention is not limited to these preferred embodiments, and is all according to any change that the present invention did, and not breaking away under the spirit of the present invention, all belongs to claim of the present invention.
Claims (4)
1. suction-type optical drive comprises:
One actuator, the rear end is provided with guide groove, and the root edge side of guide groove is projecting inward to guide groove, forms a barricade; And
One moves back blade unit, protrude one and lead in the tip embedding guide groove, and interlock one moves back the sheet bar;
Wherein,, lead the tip and peak on the barricade, protrude a wall height, move back the sheet bar and keep the angle of protracting via moving back the blade unit interlock, making than the root edge of guide groove when suction-type optical drive during in reference position.
2. according to the described suction-type optical drive of claim 1, wherein this moves back the sheet bar end that protracts and forms a tab end, and tab end and horizontal line form about 15 degree of the angle of protracting.
3. according to the described suction-type optical drive of claim 1, wherein this barricade is positioned at and leads the tip and be back on the final path of reference position.
4. according to the described suction-type optical drive of claim 3, wherein this barricade protrudes a height than the root edge of guide groove, and making into, the reference position of sheet bar moves an angle backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101081059A CN101315791B (en) | 2007-05-30 | 2007-05-30 | Suction type CD device and its driving member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101081059A CN101315791B (en) | 2007-05-30 | 2007-05-30 | Suction type CD device and its driving member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101315791A CN101315791A (en) | 2008-12-03 |
| CN101315791B true CN101315791B (en) | 2011-02-09 |
Family
ID=40106761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101081059A Expired - Fee Related CN101315791B (en) | 2007-05-30 | 2007-05-30 | Suction type CD device and its driving member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101315791B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958131B (en) * | 2009-07-17 | 2013-03-20 | 广明光电股份有限公司 | Anti-locking device for suction type optical disc drive |
| CN101958132B (en) * | 2009-07-17 | 2012-03-07 | 广明光电股份有限公司 | Suction type optical disc drive |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1481484A (en) * | 2001-10-24 | 2004-03-10 | 三菱电机株式会社 | Rack-and pinion gear mechanism |
| CN2746487Y (en) * | 2004-09-07 | 2005-12-14 | 宇极科技股份有限公司 | Suction optical drive structure |
| CN1835105A (en) * | 2005-03-17 | 2006-09-20 | 明基电通信息技术有限公司 | Rack and disc player with the same |
| CN1949381A (en) * | 2005-10-11 | 2007-04-18 | 广明光电股份有限公司 | Method and apparatus for identifying disk |
| CN1959825A (en) * | 2005-11-04 | 2007-05-09 | 杨东佐 | Suction type core of disk sheets device |
| CN1967693A (en) * | 2005-11-14 | 2007-05-23 | 蒂雅克股份有限公司 | Disk unit |
-
2007
- 2007-05-30 CN CN2007101081059A patent/CN101315791B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1481484A (en) * | 2001-10-24 | 2004-03-10 | 三菱电机株式会社 | Rack-and pinion gear mechanism |
| CN2746487Y (en) * | 2004-09-07 | 2005-12-14 | 宇极科技股份有限公司 | Suction optical drive structure |
| CN1835105A (en) * | 2005-03-17 | 2006-09-20 | 明基电通信息技术有限公司 | Rack and disc player with the same |
| CN1949381A (en) * | 2005-10-11 | 2007-04-18 | 广明光电股份有限公司 | Method and apparatus for identifying disk |
| CN1959825A (en) * | 2005-11-04 | 2007-05-09 | 杨东佐 | Suction type core of disk sheets device |
| CN1967693A (en) * | 2005-11-14 | 2007-05-23 | 蒂雅克股份有限公司 | Disk unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101315791A (en) | 2008-12-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20110209 Termination date: 20130530 |