CN1306512C - CD driver capable of firmly locking carrior sheet module in machine casing - Google Patents
CD driver capable of firmly locking carrior sheet module in machine casing Download PDFInfo
- Publication number
- CN1306512C CN1306512C CNB2003101163845A CN200310116384A CN1306512C CN 1306512 C CN1306512 C CN 1306512C CN B2003101163845 A CNB2003101163845 A CN B2003101163845A CN 200310116384 A CN200310116384 A CN 200310116384A CN 1306512 C CN1306512 C CN 1306512C
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- connecting rod
- casing
- trip
- solenoid valve
- rom drive
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Abstract
The present invention relates to an optical drive which comprises a casing, a locating pole fixed on the casing and a disk loading module, wherein the disk loading module comprises a tray arranged in the casing by a slidable method, an electromagnetic valve fixed on the tray, a latch arranged one on side of the electromagnetic valve, a connecting rod fixed on the tray by a rotatable method, a trip fixed on the tray by the rotatable method, a torsion spring fixed on a fulcrum of the connecting rod and a compression spring arranged in one side slide rail of the tray. The first end of the connecting rod is connected with the latch, and the second end is provided with a notch. The first end of the trip is used for being combined with the locating pole, and the second end is connected with the connecting rod. One end of the compression spring is fixed in the notch of the connecting rod.
Description
Technical field
The present invention relates to a kind of CD-ROM drive, particularly relate to a kind of can with carrier sheet module firmly padlock in the CD-ROM drive of casing.
Background technology
The ejection and the pinning of general slim optical drive carrier sheet module are to be finished by d.c. motor or the action of drawing in the formula solenoid valve.Usually select the type of drive of d.c. motor for use, gear set and the optical sensor of must arranging in pairs or groups or limit switch comes execution, its mechanism's complexity height can't reduce cost effectively; Draw in formula solenoid valve person and utilize, because of its volume bigger, may be subject to the space and cause and to put or to influence product appearance, and when the formula solenoid valve of drawing in was not switched on, the spring force of depending merely on the solenoid valve was to be not easy to keep carrier sheet module in stable status.The following stated is that the CD-ROM drive that the formula solenoid valve is moved is drawn in use.
See also Fig. 1 to Fig. 5.Fig. 1 is the synoptic diagram of the carrier sheet module 14 of existing CD-ROM drive 10 at locked position.Fig. 2 is the synoptic diagram of the carrier sheet module 14 of CD-ROM drive 10 at complete ejected position.Fig. 3 is the synoptic diagram of the ejecting mechanism of CD-ROM drive 10.Fig. 4 is the synoptic diagram of carrier sheet module 14 locking device when locked position of CD-ROM drive 10.Fig. 5 is the synoptic diagram of carrier sheet module 14 locking device when ejected position.CD-ROM drive 10 comprises a casing 12, one carrier sheet module 14, includes a pallet 16, one ejecting mechanism modules 15, be arranged on the pallet 16, and be the strong point with casing 12 bottoms, be used for carrier sheet module 14 is ejected casing 12; One locking device module 21 is arranged on the pallet 16, is used for carrier sheet module 14 padlocks in casing 12.Ejecting mechanism module 15 includes a pusher 18, slidably is arranged on the pallet 16, and an extension spring 20, one end are fixed on the pallet 16, and the other end is fixed on the pusher 18; Locking device module 21 includes, one solenoid valve 22, be fixed on the pallet 16, one axle 24 is fixed in solenoid valve 22 front ends, one solenoid valve spring 26 is provided with on the axle 24 of solenoid valve 22 front ends a trip 28, be fixed in the front end of solenoid valve 22 by axle 24, and an anchor point 29 is arranged on the pallet 16.
See also Fig. 3 and Fig. 4, when the carrier sheet module 14 of CD-ROM drive 10 was taken in casings 12, compression spring 20 can produce decrements because of pallet 16 moves in the casings 12, and this decrement can make pusher 18 possess the thrust that carrier sheet module 14 is released.Yet carrier sheet module 14 income casings 12 when CD-ROM drive 10, and when solenoid valve 22 is not supplied to power supply, solenoid valve spring 26 can impose trip 28 1 thrusts, so that trip 28 is interlocked with anchor point 29, with the thrust of avoiding pusher 18 to bestow carrier sheet module 14 pallet 16 is released outside the casing 12.
See also Fig. 5, carrier sheet module 14 move back the dish be to reach via the button 27 (being shown in Fig. 1) on CD-ROM drive 10 its panels, in button 27 is pressed, CD-ROM drive 10 is sent one group and is controlled signal to CPU (central processing unit), the notice CPU (central processing unit) sends another group control signal and gives solenoid valve 22 to supply with power supply, when solenoid valve 22 is supplied to power supply, solenoid valve 22 produces magnetic force and changes, and center roller 24 produces a suction, it is greater than the thrust of 26 pairs of trips 28 of solenoid valve spring, so that trip 28 breaks away from anchor point 29.And when trip 28 broke away from anchor point 29, pusher 18 is bestowed the thrust of carrier sheet module 14 promptly can release casing 12 outer 15-25mm with pallet 16.
Yet the formula solenoid valve is drawn in utilization as shown in Figure 1, be the design of stretching pushing-type always, when drawing in formula solenoid valve 22 and not switching on, depend merely on thrust that solenoid valve spring 26 bestows trip 28 with carrier sheet module 14 padlocks in casing 12, the shortcoming of this kind design is to fall and during shockproof test doing when CD-ROM drive, overcome the thrust of the spring on the solenoid valve and the friction force of trip and reference column if be subjected to a side force, promptly be easy to unclamp, in order to overcome this problem, under the situation of not changing this design, then the solenoid valve spring must be strengthened increase to produce bigger push-pull effort, cause the rising of cost and weight.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of CD-ROM drive that can stably carrier sheet module be pinned in casing that has, to address the above problem.
The object of the present invention is achieved like this, promptly a kind of CD-ROM drive, and it includes:
One casing which is provided with at least one wood side-guide;
One reference column is fixed on the casing; And
One carrier sheet module, it comprises:
One pallet is being located in this casing along the mode that this wood side-guide slides;
One solenoid valve is fixed on this pallet, is used to provide magnetic force;
One breech lock is located at a side of this solenoid valve, is used for producing displacement according to the magnetic force change of this solenoid valve;
One connecting rod, adopting with its fulcrum is that the mode that rotate at the center is fixed on this pallet, and first end of this connecting rod is connected on this breech lock, and second end of this connecting rod is provided with a groove;
One trip is fixed on this pallet in rotating mode, and its first end is used for combining with this reference column, and second end is connected in the second end place of this connecting rod;
One torque spring is fixed on the fulcrum of this connecting rod, and the first arm of this torque spring is fixed on this connecting rod, and second arm is used for promoting first end of this trip; And
One compression spring is installed in the pallet, and an end of this compression spring is fixed in the groove of this connecting rod.
Put it briefly, a kind of CD-ROM drive provided by the present invention, it includes a casing, and a reference column is fixed on the casing, and a carrier sheet module.This carrier sheet module comprises a pallet, slidably be located in this casing, one solenoid valve is fixed on this pallet, one breech lock is located at a side of this solenoid valve, one connecting rod is fixed on this pallet in rotating mode, one trip is fixed on this pallet in rotating mode, and a torque spring is fixed on the fulcrum of this connecting rod, and a compression spring is installed in the wood side-guide of this casing.First end of this connecting rod is connected on this breech lock, and second end is provided with a groove.First end of this trip is used for combining with this reference column, and second end is connected in this connecting rod, and an end of this compression spring is fixed in the groove of this connecting rod.
Description of drawings
Fig. 1 is the synoptic diagram of carrier sheet module in the income casing of existing CD-ROM drive;
Fig. 2 is the synoptic diagram of carrier sheet module when ejecting casing fully of Fig. 1 CD-ROM drive;
Fig. 3 is the synoptic diagram of the carrier sheet module of Fig. 1 CD-ROM drive;
Fig. 4 is the synoptic diagram of carrier sheet module in the income casing of Fig. 1 CD-ROM drive;
Fig. 5 is the synoptic diagram of carrier sheet module when ejecting casing of Fig. 1 CD-ROM drive;
Fig. 6 is the synoptic diagram of carrier sheet module in the income casing of CD-ROM drive of the present invention;
Fig. 7 is the synoptic diagram of carrier sheet module when ejecting casing fully of Fig. 6 CD-ROM drive;
Fig. 8 is the location drawing of carrier sheet module each position when ejecting casing fully of Fig. 6 CD-ROM drive;
Fig. 9 is the location drawing of each mechanism of Fig. 6 CD-ROM drive;
Figure 10 is the schematic rear view of the part body of carrier sheet module in the income casing of Fig. 6 CD-ROM drive;
Figure 11 is the front schematic view of the part body of carrier sheet module in the income casing of Fig. 6 CD-ROM drive;
Figure 12 is the solenoid valve of Fig. 6 CD-ROM drive and the synoptic diagram of breech lock;
Figure 13 is the synoptic diagram of the connecting rod of Fig. 6 CD-ROM drive;
Figure 14 for the carrier sheet module of Fig. 6 CD-ROM drive at the schematic rear view that begins to eject casing part body during moment;
Figure 15 for the carrier sheet module of Fig. 6 CD-ROM drive in the front schematic view that begins to eject casing part body during moment;
Figure 16 is the schematic rear view of carrier sheet module part body when ejecting casing fully of Fig. 6 CD-ROM drive;
Part body and front schematic view when Figure 17 ejects casing fully for Fig. 6 CD-ROM drive and carrier sheet module ground;
Figure 18 is the schematic rear view of carrier sheet module part body when being pushed into casing of Fig. 6 CD-ROM drive;
Figure 19 is the front schematic view of carrier sheet module part body when being pushed into casing of Fig. 6 CD-ROM drive;
Figure 20 is the schematic rear view of carrier sheet module part body when manually ejecting casing of Fig. 6 CD-ROM drive;
Part body and front schematic view when Figure 21 is Fig. 6 CD-ROM drive and the manual ejection in carrier sheet module ground casing.
The tool present embodiment
See also Fig. 6 to Figure 13.Fig. 6 is the synoptic diagram of carrier sheet module 38 in income casing 32 of CD-ROM drive 30 of the present invention.Fig. 7 is the synoptic diagram of carrier sheet module 38 when ejecting casing 32 fully of CD-ROM drive 30.Fig. 8 is the location drawing of carrier sheet module 38 each mechanism when ejecting casing 32 fully of Fig. 6 CD-ROM drive 30.Fig. 9 is the location drawing of each mechanism of CD-ROM drive 30.Figure 10 is the schematic rear view of the carrier sheet module 38 of CD-ROM drive 30 at income casing 32 completely restricted extension structures.Figure 11 is the front schematic view of the carrier sheet module 38 of CD-ROM drive 30 at income casing 32 completely restricted extension structures.Figure 12 is the solenoid valve 46 of CD-ROM drive 30 and the synoptic diagram of breech lock 48.Figure 13 is the synoptic diagram of the connecting rod 52 of CD-ROM drive 30.
CD-ROM drive 30 includes a casing 32, and its inner left and right sides side is provided with two wood side-guides, 34,36, one carrier sheet module 38 being located in the casing 32 along the mode that wood side-guide 34,36 slides.Carrier sheet module 38 includes a module for reading and writing 40, is used for data in the writable disc sheet; One pallet 44 is being located in the casing 32 along the mode that wood side-guide 34,36 slides; One reference column 50 is fixed on the casing 32; One connecting rod 52, can fulcrum 51 to be that the center of circle is done the mode that a low-angle rotates and is fixed on the pallet 44, first end system of connecting rod 52 be connected on the breech lock 48, and second end of connecting rod 52 is provided with a groove 53 (being indicated among Figure 12), and second end includes a protruded stigma 61; One trip 54 is fixed on the pallet 44 in rotating mode, and first end is used for being interlockingly connected with reference column 50, and second end has to be worn on the protruded stigma 61 that groove is connected connecting rod 52; One torque spring 56 is fixed on the fulcrum 51 of connecting rod 52, and the first arm 55 of torque spring 56 is fixed on the connecting rod 52, and second arm 57 is used for promoting trip 54; And a compression spring 58, being installed in the wood side-guide 34, an end of compression spring 58 is fixed in the groove 53 of connecting rod 52.
As Fig. 9 and shown in Figure 11, carrier sheet module 38 comprises a solenoid valve 46 in addition, is fixed on the pallet 44, is used to provide magnetic force, and a breech lock 48, is located at a side of solenoid valve 46, is used for producing displacement according to the magnetic force change of solenoid valve 46.Solenoid valve 46 includes a coil 60 and a permanent magnet 62, when the coil 60 of solenoid valve 46 is powered, coil 60 can produce a magnetic force of resisting mutually with the magnetic force of permanent magnet 62, lowering the strength that permanent magnet 62 attracts breech locks 48, so that breech lock 48 can not be subjected to the attraction of permanent magnet 62 and moved by external force; When the coil 60 of solenoid valve 46 was not powered, coil 60 can not produce the magnetic force of resisting mutually with the magnetic force of permanent magnet 62, and permanent magnet 62 can stably hold breech lock 48, and was not moved by external force.
Please consult Figure 10 and Figure 11 again, when the carrier sheet module 38 of CD-ROM drive 30 during at income casing 32, the coil 60 of solenoid valve 46 is not powered, solenoid valve 46 can hold breech lock 48, make first end of connecting rod 52 rely on solenoid valve 46, and second arm 57 of torque spring 56 can push away connecting rod 52 with first end of trip 54, is interlocked the decrement that is had in carrier sheet module 38 income casings 32 time with opposing compression spring 58 and impose the thrust of carrier sheet module 38 with reference column 50.
See also Figure 14 and Figure 15, Figure 14 for the carrier sheet module 38 of CD-ROM drive 30 at the schematic rear view that begins to eject casing part body during 32 moments.Figure 15 for the carrier sheet module 38 of CD-ROM drive 30 in the front schematic view that begins to eject casing part body during 32 moments.Carrier sheet module 38 move back the dish be to reach via the button 39 on CD-ROM drive 30 its panels, when button 39 is pressed, CD-ROM drive 30 transmits one and controls signal to central processing system (CPU), notice central processing system (CPU) needs another control signal of transmission to give solenoid valve 46 with power supply this moment, when the coil 60 of solenoid valve 46 is powered, coil 60 can produce magnetic force and offset the magnetic force that permanent magnet 62 produces, make solenoid valve 46 no longer hold breech lock 48, compression spring 58 can promote connecting rod 52, make its projection 61 promote trip 54, so that first end of trip 54 rotates and leave reference column 50, this moment, compression spring 58 just can begin pallet 44 is pushed away casing 32.
See also Figure 16 and Figure 17.Figure 16 is the schematic rear view of carrier sheet module 38 part body when ejecting casing 32 fully of CD-ROM drive 30.Figure 17 is the front schematic view of carrier sheet module 38 part body when ejecting casing 32 fully of CD-ROM drive 30.Can need because of the design of CD-ROM drive 30 to be changed the conduction time of solenoid valve 46, in this embodiment, the power-on time of solenoid valve 46 is one quite of short duration period, solenoid valve 46 is during being powered, the coil 60 of solenoid valve 46 can produce the magnetic force of magnetic force with payment permanent magnet 62, cause solenoid valve 46 can't hold breech lock 48, and compression spring 58 is bestowed connecting rod 52 1 thrusts, making connecting rod 52 make a low-angle along fulcrum 51 rotates, at this moment, projection 61 meeting interlock trips 54 make first end of trip 54 leave reference column 50 to produce a low-angle rotation, afterwards, compression spring 58 can begin carrier sheet module 38 is pushed away casing 32.When carrier sheet module 38 is pushed the shell 32 a bit of distances of disembarking, and solenoid valve 46 is not powered, and solenoid valve 46 can hold breech lock 48, makes connecting rod 52 fixing and do not rotate, this moment, projection 61 can interlock trip 54, and trip 54 can be promoted by second arm 57 of torque spring 56 and as shown in figure 15 the position of arriving.
Please consult Figure 16 and Figure 17 again.Carrier sheet module 38 is in the moment that begins to eject casing 32, and compression spring 58 is promptly bestowed the outside thrust of carrier sheet module 38 1, and till carrier sheet module 38 ejected casing 32 fully, compression spring then recovered its original spring length during 58 in this gradually.And carrier sheet module 38 is when ejecting casing 32 fully, and 58 of compression springs revert to its length originally.
See also Figure 16 to Figure 19.Figure 18 is the schematic rear view of carrier sheet module 38 part body when being pushed into casing 32 of CD-ROM drive 30.Figure 19 is the front schematic view of carrier sheet module 38 part body when being pushed into casing 32 of CD-ROM drive 30.When carrier sheet module 38 from ejecting casing 32 fully, when being pushed into casing 32 gradually, solenoid valve 46 is not powered, solenoid valve 46 can hold breech lock 48, breech lock 48 does not rotate connecting rod 50, and after carrier sheet module 38 is pushed into casing 32 1 segment distances, first end of trip 54 contact with reference column 50 (being shown in Figure 18 and Figure 19), when carrier sheet module 38 continues to be pushed into casing 32, a low-angle is pushed and rotated to trip 54 post 50 that is positioned open, and when first end of trip 54 surpassed reference column 50 fully, 54 of trips can hook be lived reference column 50, compression spring 58 carrier sheet module 38 push during, continue to be compressed, live reference column 50 until trip 54 hooks, and till carrier sheet module 38 moves in the casing 32 fully, this moment, compression spring 58 had maximum decrement, and continued to impose the outside thrust of carrier sheet module 38 1.
See also Figure 20 and Figure 21.Figure 20 is the schematic rear view of carrier sheet module 38 part body when manually ejecting casing 32 of CD-ROM drive 30.Figure 21 is the front schematic view of carrier sheet module 38 part body when manually ejecting casing 32 of CD-ROM drive 30.The manual ejection of carrier sheet module 38 is reached via the aperture 31 (being shown in Fig. 6) that a spicule thrusts on CD-ROM drive 30 its panels, this moment, solenoid valve 46 was not powered, solenoid valve 46 can hold breech lock 48, breech lock 48 does not rotate connecting rod 50, when spicule promotes trip 54, then can promote trip 54 and rotate a low-angle, making first end of trip 54 leave reference column 50 does not fasten with it, because first end of trip 54 is not interlocked with reference column 50, the thrust that compression spring 58 is bestowed carrier sheet module 38 then can push away carrier sheet module 38 casing 32 about 15-25mm.
Compared with prior art, CD-ROM drive 30 of the present invention uses the characteristic of solenoid valve itself, adding simple mechanism assembly can make the carrier sheet module 38 of CD-ROM drive 30 can stably be in locked position, therefore can solve prior art and carrier sheet module 14 can't be pinned effectively problem in casing 12, and the interdependent degree of each mechanism assembly is low, so the accuracy requirement of each assembly is not high, more can reduce the error that is caused because of assembling, for quality after the CD-ROM drive volume production and cost control significant benefit is arranged, really be that a mechanism is simple, action is stablized and is designed with product CD-ROM drive attractive in appearance.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (5)
1. CD-ROM drive, it includes:
One casing which is provided with at least one wood side-guide;
One reference column is fixed on the casing; And
One carrier sheet module, it comprises:
One pallet is being located in this casing along the mode that this wood side-guide slides;
One solenoid valve is fixed on this pallet, is used to provide magnetic force;
One breech lock is located at a side of this solenoid valve, is used for producing displacement according to the magnetic force change of this solenoid valve;
One connecting rod, adopting with its fulcrum is that the mode that rotate at the center is fixed on this pallet, and first end of this connecting rod is connected on this breech lock, and second end of this connecting rod is provided with a groove;
One trip is fixed on this pallet in rotating mode, and its first end is used for combining with this reference column, and second end is connected in the second end place of this connecting rod;
One torque spring is fixed on the fulcrum of this connecting rod, and the first arm of this torque spring is fixed on this connecting rod, and second arm is used for promoting first end of this trip; And
One compression spring is installed in the pallet, and an end of this compression spring is fixed in the groove of this connecting rod.
2. CD-ROM drive as claimed in claim 1, wherein this solenoid valve comprises a permanent magnet and a coil, and when this coil was not powered, this solenoid valve can hold this breech lock, make first end of this connecting rod rely on this solenoid valve, and second arm of this torque spring can push away first end of this trip this connecting rod; When this coil is powered, this coil can produce magnetic force and offset the magnetic force that this permanent magnet produces, make this solenoid valve no longer hold this breech lock, this compression spring can promote this connecting rod, this connecting rod can make first end of this trip rotate and leave this reference column, so that this compression spring pushes away this casing with this pallet.
3. CD-ROM drive as claimed in claim 1, wherein first end of this connecting rod is connected in this breech lock in the mode that fastens, and second end of this connecting rod is connected in this trip in the mode that fastens.
4. CD-ROM drive as claimed in claim 3, second end of this connecting rod includes a protruded stigma, is connected in this trip in the mode that fastens.
5. CD-ROM drive as claimed in claim 1, wherein this trip is a L type trip, first end of this trip is an outward extending tongue-shaped projection, is used for this reference column of hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101163845A CN1306512C (en) | 2003-11-14 | 2003-11-14 | CD driver capable of firmly locking carrior sheet module in machine casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101163845A CN1306512C (en) | 2003-11-14 | 2003-11-14 | CD driver capable of firmly locking carrior sheet module in machine casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1617245A CN1617245A (en) | 2005-05-18 |
| CN1306512C true CN1306512C (en) | 2007-03-21 |
Family
ID=34760648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101163845A Expired - Fee Related CN1306512C (en) | 2003-11-14 | 2003-11-14 | CD driver capable of firmly locking carrior sheet module in machine casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1306512C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11339354A (en) * | 1998-05-27 | 1999-12-10 | Toshiba Corp | Disk device |
| JP2001344863A (en) * | 2000-06-01 | 2001-12-14 | Matsushita Electric Ind Co Ltd | Ejection locking mechanism for disk device |
| CN1407551A (en) * | 2001-09-04 | 2003-04-02 | 提阿克株式会社 | Optical driving device |
-
2003
- 2003-11-14 CN CNB2003101163845A patent/CN1306512C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11339354A (en) * | 1998-05-27 | 1999-12-10 | Toshiba Corp | Disk device |
| JP2001344863A (en) * | 2000-06-01 | 2001-12-14 | Matsushita Electric Ind Co Ltd | Ejection locking mechanism for disk device |
| CN1407551A (en) * | 2001-09-04 | 2003-04-02 | 提阿克株式会社 | Optical driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1617245A (en) | 2005-05-18 |
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