CN2836168Y

CN2836168Y - Suction-type optical drive structure

Info

Publication number: CN2836168Y
Application number: CN 200520129290
Authority: CN
Inventors: 彭立仲
Original assignee: TAIRUI SCIENCE-TECHNOLOGY Co Ltd
Current assignee: TAIRUI SCIENCE-TECHNOLOGY Co Ltd
Priority date: 2005-10-14
Filing date: 2005-10-14
Publication date: 2006-11-08
Anticipated expiration: 2015-10-14

Abstract

The utility model discloses a suction-type optical drive structure which comprises a carrying device arranged on a base, a drive device, a read-write device and a pressing device, wherein the drive device drives the carrying device to do reciprocating movement in the range of the base, the carrying device comprises a carrying disk provided with an opening, the opening is provided with a clamper, and both sides of the base are provided with anti-thrust elements. A disk is clamped by the clamper arranged on the opening of the carrying disk after inserted from a slot of the base, and then the carrying disk is conveyed to the position of a disk accessing device by the drive device. Then the anti-thrust elements block the advance of the disk, and the carrying disk move continuously to disengage from the disk. The pressing device presses the disk and drives the disk to rotate, and the read-write device carries out read-write operation to the disk.

Description

The absorbing optical drive structure

Technical field

The utility model relates to a kind of CD-ROM structure, particularly a kind of disc is sucked the CD-ROM structure that internal body carries out reading and writing data.

Background technology

The type of CD-ROM drive has two kinds at present: a kind of is the tray formula, and another kind is a suction-type.

Tray formula CD-ROM drive is provided with an Optical disk supporter dish in base interior, the Optical disk supporter dish can skid off outside the pedestal after operating, after the user is positioned over disc on the carrier, by button control or directly promote carrier, carrier is slipped in the pedestal, drag disc the rotation of away from carrier and driving disk by the pressure setting of being located in the pedestal again, then by read-write equipment with writing data on disk or from the disc reading of data.The mechanism of this kind tray formula CD-ROM drive is comparatively simple, and manufacturing cost is lower, and price is also more cheap; But form a cantilever position behind the pedestal because carrier skids off, its holding capacity a little less than, the user will be easy to cause the carrier fracture if strike carrier because of carelessness, this is its shortcoming.

Absorbing optical drive then is a kind of design that does not have carrier, its primary structure is in base interior complex mechanical construction to be set, with with disc after the slot of pedestal is inserted, sense disc and start complicated linkage assembly and pick up disc via the location aware device, and disc is transported to anchor point in the pedestal, by pressure setting disc is suppressed then, again by read-write equipment with writing data on disk, or from the disc reading of data.Though this kind do not have the problem that the absorbing optical drive of tray does not have the carrier fracture, its shortcoming is that structure is very complicated, and manufacturing cost is very high, and price is also more expensive.

Summary of the invention

The purpose of this utility model provides a kind of manufacturing cost and traditional tray formula CD-ROM drive is approaching, and having a CD-ROM structure of absorbing optical drive advantage, it can overcome disc bearing dish that above-mentioned pellet type CD-ROM drive exposes and be subjected to external force collision easily and rupture and known absorbing optical drive complex structure, defect of high cost.

For achieving the above object, the utility model discloses a kind of absorbing optical drive structure, it includes the bogey that is located on the pedestal, drive unit, read-write equipment and pressure setting, described drive unit drives this bogey and moves back and forth in the disc slot direction of this pedestal, this bogey is driven to the place, location in this pedestal, described disc pressure setting is with compacting location, the disc center on the bogey, and driving disk rotation, described read-write equipment then reads and writes data to disc, wherein this bogey has a carrier, this carrier is provided with an opening towards an end of described disc slot, be provided with the disc clamper in this opening, be provided with the thrust member that stops disc to move toward the pedestal inner end in the pedestal both sides, the scope that described bogey moves back and forth on this pedestal does not exceed this base interior.

According to technical conceive of the present utility model, described drive unit includes a motor, one gear set, one tooth bar and that is engaged in this carrier is located at the location aware device on this pedestal, this location aware device is electrically connected with described motor, described gear set comprises that one has the follower gear of teat, this follower gear is engaged in described tooth bar, this location aware device is when sensing described teat for the first time, make motor operations and order about the follower gear rotation, thereby move via this carrier of rack drives, this location aware device then makes motor quit work when sensing described teat for the second time.

According to technical conceive of the present utility model, described drive unit includes a motor, one gear set, one tooth bar and that is engaged in this carrier is located at the location aware device on this pedestal, this location aware device is electrically connected with described motor, described gear set includes a follower gear, this follower gear is engaged in described tooth bar, described carrier is provided with two teats, this location aware device is when sensing first teat, make motor operations and order about the follower gear rotation, thereby move via this carrier of rack drives, this location aware device then makes motor quit work when second teat of sensing.

According to technical conceive of the present utility model, the end of this tooth bar is provided with a prominent bar, and one first projection and one second projection be set on described follower gear, with when this follower gear does not rotate with the tooth bar engagement, promote and to make described carrier enter the position location by prominent bar by this first projection, make described carrier shift out the position location and promote prominent bar by this second projection.

According to technical conceive of the present utility model, described tooth bar has flexibility properties, and this pedestal is provided with in order to guide the crooked guide groove of this flexible tooth bar.

According to technical conceive of the present utility model, described drive unit includes a motor, one gear set and one is located at the location aware device on this pedestal, this location aware device is electrically connected with described motor, described gear set comprises that one engages the follower gear that rope sheave and teat are arranged, this rope sheave is wound with rope, one end of this rope is fixed in this carrier, be connected with extension spring between carrier and the pedestal, this location aware device is when sensing described teat for the first time, make motor operations and order about the follower gear rotation, move thereby spur this carrier via rope, this location aware device then makes motor quit work when sensing described teat for the second time.

According to technical conceive of the present utility model, described disc clamper is provided with lock slide member at the open interior end face of this carrier, and the bottom of this lock slide member and opening forms clamping action to disc jointly.

According to technical conceive of the present utility model, described disc clamper is provided with elastic body at the open interior end face of this carrier, and the bottom of this elastic body and opening forms clamping action to disc jointly.

According to technical conceive of the present utility model, described disc clamper is provided with recess at the open interior end face of this carrier, is provided with flexible member and steel ball in this recess in regular turn, and the bottom of this steel ball and opening forms clamping action to disc jointly.

Principal feature of the present utility model is the carrier length of traditional tray formula CD-ROM drive is shortened, and makes carrier not expose pedestal when being in Support tray sheet state; Yet, in order to make the carrier energy support disc that does not expose, the utility model is provided with clamper on carrier, the back gives clamping by this clamper in the pedestal so that disc inserts, and the strength by hand push makes carrier move a slight distance to touch the location aware device, drive unit is delivered into carrier in the pedestal in company with disc, stop disc by thrust member subsequently, carrier continues to move by the drive unit conveying and toward the pedestal inner end,, disc is suppressed with after disc separates up to carrier by pressure setting, and the driving disk rotation, make the read-write equipment that is located in the pedestal read data on the disc, or with writing data on disk.

Another characteristics of the present utility model are at carrier one opening to be set, and described clamper is located at the end face in this opening, when being inserted into this opening at disc, utilize this clamper to cooperate the bottom of opening with the disc clamping.

The drive unit that the utility model provides by motor driving gear group running, drives the flexible tooth bar that is incorporated into carrier by the follower gear in the gear set again, makes carrier be moved back and forth; In addition, described follower gear or carrier bottom surface can be provided with teat, and the location aware device is set on pedestal, this location aware device is when sensing described teat for the first time, make motor operations and order about the follower gear rotation, thereby move via this carrier of rack drives, this location aware device then makes motor quit work when sensing described teat for the second time.

After disc being transported to the anchor point of pressure setting at carrier, make clamper break away from disc so that follow-up compacting action, the utility model also is provided with first projection and second projection on described follower gear, and one prominent bar is set at the tooth bar end, with when follower gear does not rotate with the tooth bar engagement, promote and to make described carrier enter the position location by prominent bar by this first projection, promote prominent bar by this second projection and make described carrier shift out the position location.

In order in limited CD-ROM drive, to hold aforesaid structure in the space, the utility model can adopt flexible material to make described tooth bar, and crooked guide groove is set at pedestal, with when carrier moves toward disk slot direction, tooth bar is moved and crooked along crooked guide groove.

The utility model is used for the clamper of clamping disc, can be a kind of material with suitable friction factor, or a kind of elastic body, or a kind of steel ball in conjunction with spring.

Another kind of embodiment for drive unit of the present utility model, can on described follower gear, rope sheave be set, this rope sheave is wound with rope, one end of this rope is fixed in this carrier, be connected with the stretching spring between carrier and the pedestal, when making rope sheave coiling rope when the motor driven gear set, rope pulling carrier is moved toward disc slot direction, and spur this extension spring simultaneously, and motor is toward reverse direction when rotation, and then the elastic force pulling carrier by extension spring moves toward the inner end of pedestal.

Advantage of the present utility model and beneficial effect are, because carrier is when moving back and forth, the extreme position at its two ends does not all exceed the pedestal scope, and carrier is provided with clamper, thereby after inserting CD-ROM drive, disc can be held the device clamping, and be delivered to the pedestal inner end to read and write data by carrier, thereby make CD-ROM structure of the present utility model have the result of use of known absorbing optical drive, and because CD-ROM structure of the present utility model improved by the structure of traditional tray formula CD-ROM drive, thereby the known absorbing optical drive of texture ratio is simply a lot, manufacturing cost also significantly reduces, and has more the market competitiveness.

Description of drawings

Figure 1A is the schematic top plan view of CD-ROM structure of the present utility model.

Figure 1B is the side view cutaway drawing of Figure 1A.

Fig. 2 A is that disc inserts in the opening of carrier of the present utility model and the schematic top plan view of the state when being held the device clamping.

Fig. 2 B is that disc is inserted in the opening of carrier of the present utility model and the side view cutaway drawing of the state when being held the device clamping fully.

Fig. 3 A is that drive unit is in the schematic top plan view that carrier and disc is transported to the state of read-write equipment position.

Fig. 3 B is the side view cutaway drawing of Fig. 3 A.

Fig. 4 A is that drive unit is in continuation carrier is delivered to the inner end of pedestal, the schematic top plan view of the state that separates with carrier but disc is stopped by thrust member.

Fig. 4 B is the side view cutaway drawing of Fig. 4 A.

Fig. 5 suppresses disc, make read-write equipment reading and writing data to the side-looking of disc can be analysed and observe action diagram for pressure setting of the present utility model.

Fig. 6 is the partial plan view of second embodiment of clamper of the present utility model.

Fig. 7 is the partial plan view of the 3rd embodiment of clamper of the present utility model.

Fig. 8 is the top plan view of another example structure of CD-ROM drive of the present utility model.

Fig. 9 is a plane working state figure embodiment illustrated in fig. 8.

Wherein, description of reference numerals is as follows:

1 pedestal, 10 slots, 11 thrust member

12 guide grooves, 2 bogeys, 21 carriers

211 openings, 212 lock slide member, 213 elastic bodys

214 flexible members, 215 steel balls, 22 tooth bars

221 prominent bar 3 drive units 31 motors

32 gear sets, 33 follower gears, 331 first projections

332 second projections, 333 teats, 34 location aware devices

35 rope sheaves, 36 ropes, 37 extension springs

4 read-write equipments, 5 pressure settings, 51 disc rotating disks

6 discs

Embodiment

The Reference numeral of following conjunction with figs. and element is done more detailed description to embodiment of the present utility model, so that those skilled in the art can implement the technical solution of the utility model according to this instructions.

At first see also Figure 1A and Figure 1B, absorbing optical drive structure provided by the utility model includes the bogey 2, drive unit 3, the read-write equipment 4 and pressure setting 5 that are located on the pedestal 1.

Described bogey 2 has a carrier 21, and this carrier 21 is provided with an opening 211 towards an end of disc slot 10, is provided with the disc clamper in this opening 211, is provided with the thrust member 11 that stops disc to move toward the pedestal inner end in the appropriate location of pedestal 1 both sides.Described clamper can have various embodiments, shown in Figure 1A and Figure 1B is the sheet lock slide member 212 of the end face in a kind of opening that directly sticks in carrier 21 211 for example; Or as shown in Figure 6, at the set outstanding elastic body of opening in 211 213 of end face; Or as shown in Figure 7, the end face in opening 211 is provided with the recess of appropriate depth, sets gradually flexible member 214 and steel ball 215 at this recess again, acts on the inside top surface that steel ball 215 makes steel ball 215 outstanding carriers 21 by flexible member 214.

The better embodiment of described drive unit 3, include the motor 31 that is located on the pedestal 1, tooth bar 22 and that a gear set 32, is incorporated into these carrier 21 1 sides is located at the location aware device 34 on this pedestal 1, this location aware device 34 is electrically connected with motor 31; Described gear set 32 include below be provided with the follower gear 33 of teat 333; In the process of follower gear 33 rotations, this location aware device 34 is when for the first time sensing described teat 333, make motor 31 work and order about follower gear 33 rotations, thereby drive carrier 21 motions by tooth bar 22, this location aware device 34 then makes motor 31 quit work when sensing teat 333 for the second time.In order to hold aforementioned each device in limited pedestal space, the utility model is preferably in the guide groove 12 that pedestal 1 interior side is provided with a bending, and make described tooth bar 22 with flexible material, again tooth bar 22 is matched with this bending guide groove 12, therefore, during motor 31 work, can drive tooth bar 22 by follower gear 33 carrier 21 is moved, tooth bar 22 is toward slot 10 directions when moving, and the guiding of guide groove 12 that then can be by bending is accommodated in the guide groove 12.Described teat 34 also can be arranged on two following diverse location (not shown)s of carrier 21, for the described location aware device 34 successively usefulness of sensings, controls motor 31 work or stops.

The diverse location of the utility model in pedestal 1 inside is respectively equipped with pressure setting 5 and read-write equipment 4; Described pressure setting 5 has the disc rotating disk 51 of a carrying disc; When disc 6 is transported to the position of pressure setting 5 by carrier 21, pressure setting 5 can be pressed into disc rotating disk 51 with disc 6, and, read data on the disc 6 by optical read-write device then, or with on the writing data on disk by the rotation of disc rotating disk 51 driving disks 6.After making disc 6 be transported to the position of pressure setting 5, can break away from carrier 21, the utility model further diverse location on follower gear 33 is provided with one first projection 331 and one second projection 332 respectively, and the end at tooth bar 22 is provided with a prominent bar 221, with when follower gear 33 does not rotate with tooth bar 22 engagements, can promote prominent bar 221 by first projection 331 and make carrier 21 enter the position location of pressure setting 5, can make carrier 21 shift out the position location and promote prominent bar 221 by second projection 332.

The utility model drives carrier 21 to-and-fro movement in the scope of pedestal 1 by drive unit 3, thereby makes carrier 21 not expose outside pedestal.Mode of operation of the present utility model is after disc 6 is inserted from the slot 10 in pedestal 1 the place ahead, further make disc 6 insert the opening 211 of carriers 21, again by described lock slide member 212 or elastic body 213 or steel ball 214 cooperate openings 211 below with disc 6 clampings (shown in Fig. 2 A and Fig. 2 B); Then by pressing button or when pushing disc 6 in the slot, promote follower gear 33 or carrier 21, sense teat 333 below follower gear 33 or the carrier 21 by location aware device 34, thereby make motor 31 work, driving tooth bar 22 by gear set 32 and follower gear 33 makes carrier 21 move to the position (shown in Fig. 3 A and Fig. 3 B) of pressure setting 5 toward pedestal 1 inner end, this moment, disc 6 both sides were subjected to that thrust member 11 stops and the position that is positioned at

pressure setting

5,33 of follower gears continue rotation, thereby promote prominent bar 221 and make tooth bar 22 break away from engagement with follower gear 33 by first projection 331, and make carrier 21 continue to move toward pedestal 1 inner end, make carrier 21 and disc 6 break away from (shown in Fig. 4 A and Fig. 4 B); 5 pairs of discs 6 of pressure setting are suppressed and driving disk rotation (as shown in Figure 5) subsequently, and read data on the disc 6 by read-write equipment 4, or with on the writing data on disk.When needs withdraw from disc 6, then control the motor counter-rotating by pressing button, drive follower gear 33 counter-rotatings by gear set, and then make second projection 332 promote prominent bar 221, make tooth bar 22 mesh with follower gear 33 again, drive tooth bars by follower gear 33 then and make carrier 21 move to the position of pressure setting 5, make disc 6 insert the opening of carriers 21 and by lock slide member 212 with disc 6 clampings, so that disc is sent outside the slot.

Fig. 8 is for showing another embodiment of the present utility model, and it is the different of drive unit with the difference of previous embodiment; In the embodiment shown in fig. 8, aforesaid motor and gear set can be located at the diverse location on the pedestal 1, and omit tooth bar; One rope sheave 35 is set on the follower gear 33 of gear set, rope sheave 35 is wound with rope 36, one end of rope 36 then is fixed in carrier 21, be connected extension spring 37 between the rear end of carrier 21 and pedestal 1 inner end, with when motor 31 drives rope sheave 35 rotations by gear set 32, can spur rope 36 and make carrier 21 move (as shown in Figure 9) toward slot 10 directions, extension spring 37 was elongated and had elastic force this moment; When reverse operating, then carrier 21 is retracted original position by extension spring 37.Remaining structure is identical with aforementioned first embodiment with working method, so do not repeat them here.

The above is only in order to explain preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; so all any modification relevant of the present utility model or changes of being done under spirit of the present utility model all should be included in the protection domain of the present utility model.

Claims

1, a kind of absorbing optical drive structure, include the bogey, drive unit, read-write equipment and the pressure setting that are located on the pedestal, described drive unit drives the disc slot direction to-and-fro movement of this bogey along this pedestal, under the state at the place, location of this bogey in being driven to this pedestal, disc center on this bogey of described disc pressure setting compacting location, and drive this disc rotation, described read-write equipment reads and writes data to this disc, it is characterized in that:

This bogey has a carrier, this carrier is provided with an opening towards an end of described disc slot, be provided with the disc clamper in this opening, be provided with the thrust member that stops disc to move toward this pedestal inner end in the pedestal both sides, described bogey is in this base interior to-and-fro movement.

2, absorbing optical drive structure as claimed in claim 1, it is characterized in that, described drive unit includes a motor, one gear set, one tooth bar and that is incorporated into this carrier is located at the location aware device on this pedestal, this location aware device and described motor are electrically connected, described gear set comprises that one has the follower gear of teat, this follower gear is engaged in described tooth bar, this location aware device is when sensing described teat for the first time, motor operations is also ordered about this follower gear rotation, this carrier of this rack drives moves, this location aware device is when sensing described teat for the second time, and this motor quits work.

3, absorbing optical drive structure as claimed in claim 1, it is characterized in that, described drive unit includes a motor, one gear set, one tooth bar and that is incorporated into this carrier is located at the location aware device on this pedestal, this location aware device and described motor are electrically connected, described gear set includes a follower gear, this follower gear is engaged in described tooth bar, described carrier is provided with two teats, this location aware device is when sensing first teat, motor operations and order about the rotation of this follower gear, thereby move by this carrier of this rack drives, this location aware device is when second teat of sensing, and this motor quits work.

4, as claim 2 or 3 described absorbing optical drive structures, it is characterized in that, the end of this tooth bar is provided with a prominent bar, one first projection and one second projection are set on the described follower gear, this follower gear is not when rotating with this tooth bar engagement, this first projection can promote this prominent bar makes described carrier enter this position location, makes described carrier shift out this position location and this second projection can promote this prominent bar.

5, absorbing optical drive structure as claimed in claim 4 is characterized in that, described tooth bar is the tooth bar with flexibility properties, and this pedestal is provided with the crooked guide groove of this tooth bar of guiding.

6, absorbing optical drive structure as claimed in claim 1, it is characterized in that, described drive unit includes a motor, one gear set and one is arranged on the location aware device on this pedestal, this location aware device and described motor are electrically connected, described gear set comprises that one is combined with rope sheave and has the follower gear of teat, this rope sheave is wound with rope, one end of this rope is fixed in this carrier, be connected with extension spring between this carrier and this pedestal, this location aware device is when sensing described teat for the first time, motor operations and drive follower gear rotation, and this rope spurs this carrier motion, this location aware device is when sensing described teat for the second time, and motor quits work.

7, as claim 1 or 6 described absorbing optical drive structures, it is characterized in that described disc clamper is provided with lock slide member at the end face of this carrier open interior, the following common described disc of clamping of this lock slide member and opening.

8, as claim 1 or 6 described absorbing optical drive structures, it is characterized in that described disc clamper is provided with elastic body at the end face of this carrier open interior, the following common described disc of clamping of this elastic body and this opening.

9, as claim 1 or 6 described absorbing optical drive structures, it is characterized in that, described disc clamper is provided with recess at the end face of this carrier open interior, is provided with flexible member and steel ball in this recess successively, the following common described disc of clamping of described steel ball and opening.