CN101221790B - Disk unit - Google Patents

Abstract

To provide a disk unit of a slot-in system exclusive for a 12 cm disk, which is prevented from getting out of order by blocking penetration of a 8 cm disk into the disk unit. At a state that a disk support arm 17 is on standby for the carry-in of the 12 cm disk D, when the 8 cm disk Ds is inserted and the penetration into the unit can not be blocked by a holder 18 of the disk support arm 17, the penetration of the 8 cm disk Ds into the unit is blocked by the abutment of a front rim of the 8 cm disk Ds against an abutting part 19a of a stopper 19 mounted at the distal end of the disk support arm 17.

Description

Optical disc apparatus

The present invention be the Chinese invention patent application (application number: 200510051963.5, the applying date: on February 23rd, 2005, denomination of invention: dividing an application optical disc apparatus).

Technical field

The present invention relates to a kind ofly drive optical disc apparatus as the CD (for example CD-R/RW, DVD-R/-RW/RAM/+R/+RW etc.) of the recording medium of record mass data at data machines such as various computer systems, particularly a kind of in order to prevent the mispluging of CD that diameter is different into mechanism.

Background technology

Be located at the optical disc apparatus of personal computer etc. in general, possess the optical disc tray of filling CD, make this optical disc tray forward-reverse.And at the CD that optical disc tray loaded, in the body of optical disc apparatus, be driven, and record or played data.

On the other hand,, the tendency of the optical disc apparatus of the so-called sucked type of normal employing (slot-in) is arranged, be fit to slimming, the miniaturization of personal computer about not using the mode of optical disc tray.The optical disc apparatus of this sucked type is not because of using optical disc tray in loading (the moving into)/unloading (taking out of) to the CD of device body, and after the operator inserted more than half insertions of CD mouthful, the loader mechanism of device body promptly moved, and loads automatically.

Figure 17 and Figure 18 are illustrated in the structure and the action form of loader mechanism of the optical disc apparatus of sucked type in the past.Structure at institute's icon, after the operator inserts CD D, CD D the pin 100a of the front end that utilizes first pendular body 100 with about guide body 101,102 and till arriving position shown in Figure 17 under its short transverse of pin 103a control of the front end that utilizes second pendular body 103 in the way and the position, the left and right sides.

At this moment, first pendular body 100 utilizes CD D to push away the pin 100a of front end and rotates towards arrow 100A direction, and again, second pendular body 103 also utilizes CD D to push away the pin 103a of front end and rotates towards arrow 103A direction.Then, the end buck switch bar 104 of second pendular body 103 and rotating towards arrow 104A direction, detecting is with switch 105 actions.

When this detecting is moved with switch 105, drive unit 106 startings, first sliding component 107 begins to move to arrow 107A direction.This first sliding component 107 and second sliding component, the 108 usefulness member 109 that is slidingly connected is connected each front end, originally be slidingly connected member 109 because of with 110 Zhi Chengke of pin swing, second sliding component 108 and first sliding component 107 retreat synchronous advancing to arrow 108A direction.

After this manner, first sliding component 107 begins to retreat, guided from untie-sell 100b because of the cam path 107a at first sliding component 107 by first pendular body 100 that this first sliding component 107 is supported with cantilever position, pendular body 100 is that middle mind-set arrow 100B direction is rotated with fulcrum 100c.Thereby the pin 100a of the front end of first pendular body 100 is carried to CD D till pin 111a, the 111b of butt CD align member 111 to arrow 107A direction.

At this moment, because of the pin 103a of second pendular body 103 rotates to arrow 103A direction, the pin 103a of second pendular body 103 is supporting under the CD D and synchronous the moving to arrow 103A direction of pin 100a of the front end of first pendular body 100.And, behind pin 111a, the 111b of CD D butt CD align member 111, go to till the position of leaving CD D a little.

More than be action form, but become the action form opposite with above-mentioned action to the outside loader mechanism of taking out of the situation of CD D of device to the loader mechanism of the inner situation of moving into CD D of device.That is, CD D is in device inside when being positioned at allocation, and drive unit 106 is during according to the indication back-to-back starting of unloading, and first sliding component 107 begins to advance towards arrow 107B direction.Along with, what second sliding component 108 that is connected with the member 109 that is slidingly connected was synchronous begins to retreat towards arrow 108B direction.Thereby, because of first pendular body 100 rotates towards arrow 100A direction second pendular body 103 towards arrow 103B direction, utilize pin 100a, the 103a of front end separately to support taking out of of CD to the device outside.

At the optical disc apparatus that is constituted after this manner, make to clamp the CD D that is moved into device inside at the moving up and down chuck 112 of allocation.This chuck 112 is integrated with the rotary table 113 of the driving shaft that is fixed in Spindle Motor 114.In addition, this Spindle Motor 114 is equipped on rack component 115, utilizes elevating mechanism to make this rack component 115 moving (for example patent documentation 1) up and down.

[patent documentation 1] spy opens the 2002-117604 communique

After this manner the purpose of the optical disc apparatus that is constituted be with the CD of diameter 12cm correct be loaded into optical disc apparatus inside.Promptly, the loader mechanism that CD is loaded into optical disc apparatus inside is an object with the 12cm CD, as Figure 17 and shown in Figure 180, dispose first pendular body 100 front end pin 100a with about guide body 101102 and the pin 103a of the front end of second pendular body 103, make the short transverse and the position, the left and right sides of control 12cm CD.Again, also dispose pin 111a, the 111b of CD align member 111, make the 12cm CD is located.Therefore, at the optical disc apparatus of the sucked type of this structure, only with the CD of diameter 12cm as utilizing object, the CD that will have diameter in addition is made as and utilizes outside the object.

, at CDs such as CD or DVD, except diameter specifications changes into the 12cm CD of 12cm, exist diameter specifications to change into the 8cm CD (path CD) of 8cm.Especially carry with e-machine at video camera etc. and widely adopt the 8cm CD.When waiting the path CD that for example inserts slip of the tongue insertion diameter 8cm certainly because of the operator is careless, according to situation, the path CD is partly clamped by the mechanism of the loader mechanism of optical disc apparatus, or each mechanism is partially damaged.Again, the path CD is whole to enter the optical disc apparatus private side from inserting mouth, and the operator can't take out the path CD.So,, have and the mispluging of CD that the size stipulated is different into the problem that becomes the reason that makes the optical disc apparatus fault at the optical disc apparatus of in the past sucked type.

Summary of the invention

The problem that the present invention has in view of above-mentioned prior art, its purpose is to provide a kind of optical disc apparatus, inserts slip of the tongue certainly and inserts the little CD of diameter dimension, can prevent that also optical disc apparatus is inner can't to be taken out because of this CD is contained in.

The present invention utilizes each following mode and solves above-mentioned problem.That is, the invention provides a kind of optical disc apparatus, comprising: insert mouth, insert disk-like recording medium; First guidance part is used for guiding the side from this insertion mouthful disk-like recording medium that inserts; The CD supporting arm has: second guidance part is used for guiding the opposite side from this insertion mouthful disk-like recording medium that inserts; And the CD abutting part, be connected to from this insertion mouthful disk-like recording medium that inserts; Carry disk-like recording medium by the mode of support and swing disk-like recording medium; And

Record/broadcast portion is for disk-like recording medium record and/or the played data of utilizing this CD supporting arm towards the inner carrying of device; Diameter specifications changes into first disk-like recording medium that is of a size of dA and diameter specifications and changes into the size dB littler than size dA (among two kinds of different disk-like recording mediums of second disk-like recording medium of dB＜dA), make this CD supporting arm swing, make its load/unload first disk-like recording medium; Wherein: this CD supporting arm is arranged such that: at the state of waiting for from this insertion mouthful insertion disk-like recording medium, no matter insert under the situation of this second disk-like recording medium any position in this insertion certainly mouthful, should insert certainly mouthful second disk-like recording medium is whole insert in this device before, all make this CD abutting part be connected to this second disk-like recording medium.Optical disc apparatus by previous constructions prevents that second disk-like recording medium is accommodated in device inside.

Again, characteristics of the present invention are, the first area is defined as: at the state of removing this CD abutting part, under the situation that makes second disk-like recording medium and this first guidance part slip, the direction of insertion rearward end of second disk-like recording medium is inserted into till this insertion is mouthful consistent the time, the zone that second disk-like recording medium is passed through; Second area is defined as: at the state of removing this CD abutting part, under the situation that makes second disk-like recording medium and this second guidance part slip, the direction of insertion rearward end of second disk-like recording medium is inserted into till this insertion is mouthful consistent the time, the zone that second disk-like recording medium is passed through; Under aforementioned regulation, this CD supporting arm is arranged such that: at the state of waiting for from this insertion mouthful insertion disk-like recording medium, make this CD abutting part be positioned at the scope of this first area and second area repetition.Under this state, wait for that disk-like recording medium is by inserting a mouthful insertion.

Again, the invention provides a kind of optical disc apparatus, the moving into or taking out of of the CD of the external diameter of stipulating by driving the CD supporting arm, it is characterized by: possess CD and enter holdout device, wait for the state of moving into of CD at this CD supporting arm, make its prevent from CD insert mouthful will than the external diameter of regulation more the CD of path be inserted into outside the supported scope of CD supporting arm.

Again, it is a retainer that this CD enters holdout device, and this retainer has the CD abutting part that periphery contacts before approach axis with path; This retainer is installed in this CD supporting arm.

Again, the retainer of being installed at this CD supporting arm has elasticity, when the preceding periphery of the CD of path pushes the abutting part of this retainer, utilizes elastic force that this pushing produces that the CD of this path is pushed back towards taking out of direction.

Again, remove the state of supporting arm, make the abutting part and the inner inwall of device of the retainer installed at supporting arm slip, produce anti-vibration functions for this supporting arm to the support of this CD the moving into of CD of the external diameter of finishing regulation.

The effect of invention

If according to the present invention, the operator inserts the little disk-like recording medium of diameter dimension from inserting slip of the tongue, and this disk-like recording medium of the certain butt of CD abutting part of CD supporting arm prevents from this disk-like recording medium integral body is contained in device inside really.

Description of drawings

Fig. 1 is the stereographic map of outward appearance of the optical disc apparatus of embodiments of the invention one;

Fig. 2 is the in-built planimetric map of the optical disc apparatus of Fig. 1;

Fig. 3 is the in-built stereographic map of the optical disc apparatus of Fig. 1;

Fig. 4 is the organ figure that inside disposed at the optical disc apparatus of Fig. 1;

Fig. 5 is the exploded perspective view of the structure of CD supporting arm;

Fig. 6 is the first step figure of the action of CD supporting arm;

Fig. 7 is second block diagram of the action of CD supporting arm;

Fig. 8 is the third step figure of the action of CD supporting arm;

Fig. 9 is the 4th block diagram of the action of CD supporting arm;

Figure 10 is the 5th block diagram of the action of CD supporting arm;

Figure 11 is the 6th block diagram of the action of CD supporting arm;

Figure 12 is the movement state diagram when discharging in order to explanation CD supporting arm;

Figure 13 loads initial state figure automatically;

Figure 14 is the functional configuration figure of CD abutting part of the present invention;

Figure 15 is the active state figure of CD abutting part of the present invention;

Figure 16 is the active state figure of CD abutting part of the present invention;

Figure 17 is the structural map of optical disc apparatus in the past;

Figure 18 is the structural map of optical disc apparatus in the past;

Figure 19 is the in-built planimetric map of the optical disc apparatus of the embodiment of the invention two;

Figure 20 is the stereographic map of the structure of the support of explanation CD supporting arm and retainer;

Figure 21 is the stereographic map in the outward appearance of the situation of Fig. 1 optical disc apparatus insertion 8cm CD;

Figure 22 is at the in-built planimetric map of Fig. 1 optical disc apparatus by the situation of the insertion 8cm CD of the right-hand member of device;

Figure 23 is for inserting the in-built planimetric map of the situation of 8cm CD with the state that retainer is not installed at Fig. 1 optical disc apparatus;

Figure 24 becomes the in-built planimetric map of the state that can drive rotation for CD after inserting the 12cm CD at Fig. 1 optical disc apparatus.

The component symbol explanation

1 optical disc apparatus

2 casings

The 2a opening

The 2b protuberance

3 protecgulums

3a inserts mouth

4 buttons

5 indicators

6 base plates

The 6a slit

6b guides the slit

The 6c end

7 chucks

The 7a jaw

8 rack components

9 bufferings are supported structure

10 rotary tables

11 Spindle Motors

12 optical read/write heads

13 carrier blocks

14,15 guidance axis

16 slide uses motor

17 CD supporting arms

A 17a axle backing pin

17b is by fastener

The 17c perforation

18 supports

18a socket end portion

18b keeps groove

18c supporting arm installing port

19 retainers

The 19a abutting part

The 19b elastic

The 19c fastener

19d card claw stop

20 lever arms

21 guid arms

21a CD support sector

22 fixed parts

23 fixed parts

27,29 guide members

30 loading motors

32 loading sliders

32a, 32b, 32c guide channel

33 CD abutting parts

34,56,57 from untie-sell

37 lever arms

The 37a hole

37b, 37c, 37d axle backing pin

38 pitman arms

The 38a notch part

39 second connecting rod arms

39a, 39b slit

The 39c notch part

The hole of 39d second connecting rod arm

The 39e recess

Locking bar on 40

40a card not-go-end

The 40b hole

The 40c recess

The 40d rearward end

42 riveting pins

44 stretch coil springs

45 twist coil springs

47 limit switches

48 starting pins

50 lever arms

52 from untie-sell

54 sliding components

59 link components

100 first pendular bodies

100A, 100B arrow

The pin of 100a front end

100b is from untie-sell

The 100c fulcrum

101, about 102 guide body

103 second pendular bodies

103A, 103B arrow

The pin of 103a front end

104 close bar

The 104A arrow

105 detecting switches

106 drive units

107 first sliding components

107A, 107B arrow

The 107a cam path

108 second sliding components

108A, 108B arrow

109 members that are slidingly connected

111 CD align members

The pin of 111a, 111b CD align member

112 chucks

113 rotary tables

114 Spindle Motors

115 rack components

A record/broadcast portion

The B head unit

The C loader mechanism

C1, C2 arm driving mechanism

C3 rack component driving mechanism

The CD of D diameter 12cm

The CD of Ds diameter 8cm

Embodiment

Below, describe embodiments of the invention in detail according to figure.Represent embodiments of the invention one from Fig. 1 to Figure 16, represent embodiments of the invention two from Figure 19 to Figure 24.After investing identical symbol, illustrate at the common structure of each embodiment.

Embodiment one

Fig. 1 represents to implement the outside drawing of the optical disc apparatus 1 of sucked type of the present invention, forms opening 2a in the central authorities of the top board of the casing 2 that constitutes isolation, and also the opening circumference at this opening 2a forms to the outstanding protuberance 2b in inside.At the fixing protecgulum 3 of the front end of casing 2, possess at this protecgulum 3 and to insert a mouthful 3a, have the CD D (first disk-like recording medium) of the outside dimension (particularly diameter 12cm) of regulation in order to insertion; Button 4 is taken out of at inner CD D and the indicator 5 of accommodating of device, in order to show the operating state of optical disc apparatus 1 to the outside in order to indication.

Fig. 2 is the planimetric map of state of top plate portion of casing 2 of optical disc apparatus 1 of dismantling, and Fig. 3 is its stereographic map.In casing 2, set base plate 6, so that the record/A of broadcast portion to CD D record and/or played data to be set from the past tiltedly configuration status in the place ahead of its central authorities.At this record/A of broadcast portion, the rack component 8 of chuck 7 that fixes to clamp the center pit Da of CD D utilizes known buffering support structure 9, and (is three positions at present embodiment) is connected with base plate 6 in a plurality of positions.And this rack component 8 is in order to utilize chuck 7 clampings or to unclamp CD D, and adopting the device rear portion side is the cantilever support structure that rotation axis can move up and down to insert mouthful 3a side.

This chuck 7 and rotary table 10 constitute one, are fixed in the driving shaft at the Spindle Motor 11 that is disposed just down.And, utilize this Spindle Motor 11 to drive and rotate, record/played data by chuck 7 a clamping backs CD D who is held on the rotary table 10.

Secondly, symbol B is the head unit of being supported by rack component 8, makes to the optical read/write head 12 of CD D irradiating laser and supports that by the guidance axis (omitting diagram) that its two ends are fixed in rack component 8 utilizing slip is to move back and forth with motor 16 and gear.

Symbol 17 is CD D of supporting diameter 12cm in the direction of insertion front and administers to the device guided inside and to the CD supporting arm of the outside action of releasing of device.The end of swing fulcrum that becomes CD supporting arm 17 utilizes the axle backing pin at the back side of being fixed in base plate 6 to support into rotatable via extending to the rear side of base plate 6 at base plate 6 formed slit 6a.Thereby CD supporting arm 17 is swung in the scope of slit 6a.

At the fixing CD abutting part 33 of the front end of CD supporting arm 17, when inserting the CD D (first disk-like recording medium) of diameter 12cm, the direction of insertion front end of butt CD D, support CD D, and when inserting the CD Ds (second disk-like recording medium) of diameter 8cm, the direction of insertion front end of butt CD D prevents from CD Ds is contained in device inside.

Symbol 21 is to support the direction of insertion rearward end and administering to device is inner of the CD D of diameter 12cm to push and to the guid arm of the action of device external guidance.Guid arm 21 possesses the 21a of CD support sector, and it is rotatable to utilize the axle backing pin 22 that is fixed in casing 2 that an end is supported into, at other end butt CD D.

Symbol 27 is guiding guide members (first guidance part) from the left surface of the CD D that inserts mouth 3a insertion, and symbol 29 is guiding guide members (second guidance part) from the right flank of the CD D that inserts mouth 3a insertion.Under the side that the insertion mouthful CD D that 3a inserted is utilizing guide member 27,29 to guide about it, be subjected to the carrying that CD supporting arm 17 and guid arm 21 are supported.

Secondly, the loader mechanism C that makes CD supporting arm 17 and guid arm 21 swing and make rack component 8 move up and down is described.Fig. 4 is the base plate 6 back planimetric maps of representing the flat state that loader mechanism C constitute of dismantling.Loader mechanism C is made of following member, loads with motor 30, as drive unit; Loading with slider 32, is to be connected with motor 30 with loading via the gear that does not show on the figure, utilizes the driving force of loading with motor 30 to move in the X1-X2 direction; And arm driving mechanism C1, C2 and rack component driving mechanism C3, be connected with slider 32 with loading.Arm driving mechanism C1 makes 17 swings of CD supporting arm, and arm driving mechanism C2 makes guid arm 21 swings, and rack component driving mechanism C3 makes rack component 8 moving up and down.

Arm driving mechanism C1 roughly by load with formed guide channel 32a above the slider 32, lever arm 37, first connecting rod arm 38, second connecting rod arm 39 and on locking bar 40.Fig. 5 is the exploded perspective view in order to explanation arm driving mechanism C1.The first connecting rod arm 38 that directly drives CD supporting arm 17 utilizes axle backing pin 17a to be connected with CD supporting arm 17.And, form slit 39a, 39b at second changeover module 29, from this slit 39a, 39b insert wear riveting pin 42 after, be fixed in first connecting rod arm 38 by front end with riveting pin 42, the group of first connecting rod arm 38 and second connecting rod arm 39 is three-dimensional integrated and become scalable in the scope of slit 39a, 39b.In addition, notch part 38a, the 39c of the card not-go-end 40a effect of locking bar 40 in first connecting rod arm 38 and 39 formation of second connecting rod arm.

Symbol 44 is stretch coil springs, and an end is limited to the back side of base plate 6, and the other end is limited to first connecting rod arm 38.Utilize the elastic force of this stretch coil spring 44, with first connecting rod arm 38 to A1 direction bias voltage.

The axle backing pin 37b (with reference to Fig. 6) that the hole 37a that becomes support of lever arm 37 is subjected to being fixed in the back side of base plate 6 supports and turns, and stationary shaft backing pin 37c at one end is at other end stationary shaft backing pin 37d.Axle backing pin 37c embeds the guide channel 32a that loads with slider 32, and axle backing pin 37d inserts the hole 39d of second connecting rod arm 39 and goes up the hole 40b of locking bar 40.

And between second connecting rod arm 39 and last locking bar 40, dispose twist coil spring 45, and one end 45a is limited to the recess 39e of second connecting rod arm 39, and other end 45b is limited to the recess 40c of locking bar 40.Thereby, with the direction bias voltage of the notch part 39c engaging of the notch part 38a of the card not-go-end 40a court of last locking bar 40 and first connecting rod arm 38 and second connecting rod arm 39.

In addition, set limit switch 47 (with reference to Fig. 6) at the back side of base plate 6, when first connecting rod arm 38 arrives set position, move; And starting pin 48 (with reference to Fig. 6), when arriving set position, second connecting rod arm 39 goes up the rearward end 40d of locking bar 40 in order to drive pushing.

Secondly, the action form of arm driving mechanism C1 and CD supporting arm 17 is described.In order to the arm driving mechanism C1 that drives CD supporting arm 17 is that the upright organ shown in Figure 5 of group forms, but the forward-reverse that loads with slider 32 is followed in its action.That is, at Fig. 6, load with slider 32 formed guide channel 32a be mounted on lever arm 37 the end from untie-sell 37c, make that being subjected to this guide channel 32a guides.State representation operator shown in Figure 6 is after the insertion mouth 3a of protecgulum 3 inserts CD D, and its front end is connected to the state of the set CD abutting part 33 of the front end of CD supporting arm 17.Carve at this moment, loading stops with motor 30, loads and is parked in the position of moving to the X2 direction with slider 32.Because of the rearward end 40d of last locking bar 40 is subjected to starting pin 48 pushings, its card not-go-end 40a leaves the notch part 38a39c of first, second pitman arm 38,39, becomes the state that first connecting rod arm 38 is free to slide with respect to second connecting rod arm 39.Then, become elastic force that first connecting rod arm 38 utilizes stretch coil spring 44 with respect to second connecting rod arm 39 at the A1 direction state that the CD supporting arm 17 that is connected with first connecting rod arm 38 swings to the X2 direction that slides.

The expression operator of Fig. 7 and Fig. 8 stage is with the CD D state of pushing in device inside again, push away CD abutting part 33 by CD, CD supporting arm 17 is to the swing of device rear, the first connecting rod arm 38 that traction uses the base end part of axle backing pin 17a and this CD supporting arm 17 to be connected.At this moment, because of lever arm 37 is connected with slider 32 with static loading, connected second connecting rod arm 39 becomes the state that keeps allocation.Therefore, first connecting rod arm 38 slides in the A2 direction with respect to second connecting rod arm 39, and the group solid of first, second pitman arm 38,39 becomes the state of elongation.And in the moment of the state that arrives Fig. 7, limit switch 47 moves because of CD supporting arm 17.

The loading that Fig. 8 represents loader mechanism C according to begin action from the signal because of the above-mentioned limit switch that moves 47, loads the state that is retreating with the just past X1 direction of slider 32 with motor 30.Lever arm 37 utilization loadings advance in the slip of A2 direction as second connecting rod arm 39 as tracking first connecting rod arm 38 with the guide channel 32a swing of slider 32, and the group solid of first, second pitman arm 38,39 becomes the state of shortening.Then, the last locking bar 40 that the pushing of self-starting pin 48 is unclamped utilizes the elastic force of twist coil spring 45 to rotate toward the clockwise direction, and its card not-go-end 40a invades notch part 38a, the 39c of first, second pitman arm 38,39.Thereby first, second pitman arm 38,39 becomes the all-in-one-piece state of locking.In addition, in process from Fig. 7 to Fig. 8, arm driving mechanism C2 action described later, guid arm 21 startings keep the CD abutting part 33 of CD supporting arm 17 and the 21a of CD support sector and the CD D of guid arm 21.

Fig. 9 represents to load and retreats to the X1 direction with slider 32 again, and CD supporting arm 17 is rearward swung, consistent state on the center pit Da of CD D and the chuck 7.In addition, till this moment, keep CD D, the swing that CD supporting arm 17 and guid arm 21 are synchronous with the CD abutting part 33 of CD supporting arm 17 and the 21a of CD support sector of guid arm 21.Then, in process from Fig. 9 to Figure 10, rack component driving mechanism C3 action described later, chuck 7 rises, and clamps the center pit Da of CD D.

After Figure 11 represents that chuck 7 clamps the center pit Da of CD D, load the state that retreats to the X1 direction a little with slider 32, swing a little at the terminal part lever arm 37 that loads the guide channel 32a that uses slider 32, as shown in figure 11, because of CD supporting arm 17 is swung a little, remove the maintenance of CD D.In addition, because of guid arm 21 at this moment also towards the direction swing of leaving CD D, thereby, can utilize rotary table 10 to drive CD D.

More than be the action form of arm driving mechanism C1 and CD supporting arm 17 when moving into CD D, still, when taking out of CD D, along the path opposite with it, the constituent components of each one carries out opposite action.Promptly, the loading of reverse drive loader mechanism C advances towards the X2 direction with slider 32 by loading with motor 30, and CD supporting arm 17 is forwards swung till the state of Fig. 8 from the state of Figure 11, then, end 40d butt starting pin 48 after the locking bar 40 to the state shown in Figure 12.Then, when loading readvances with slider 32, with starting pin 48 this rearward end of pushing 40d, thereby, as at Figure 12 with shown in the dotted line, last locking bar 40 swings, card not-go-end 40a breaks away from notch part 38a, the 39c of first connecting rod arm 38 and second connecting rod arm 39, removes first connecting rod arm 38 and second connecting rod arm 39 incorporate locking states.Simultaneously, the partial pressure of stretch coil spring 44, CD supporting arm 17 is rocked to till the position shown in Figure 6, ejects CD D in the last moment of the process of taking out of from inserting mouthful 3a, finishes and takes out of.

So, when CD is moved into do action beginning, first, second pitman arm 38,39 is removed the state of locking of going up locking bar 40, along with inserting CD D, the group solid of first, second pitman arm 38,39 is once after the direction displacement of elongation, towards the direction displacement of shortening, locking bar 40 is locked to the state utilization of Fig. 8.And, when taking out of of CD D moved beginning, locking bar 40 was locked first, second pitman arm 38,39 and incorporate state in the utilization, thereby, first, second pitman arm 38,39 can be when not moving into as from elongation to the direction displacement of shortening, remove to the state of Figure 12 and to go up locking of locking bar 40.So, when taking out of CD D, take out of the biasing force that step can not used stretch coil spring 44 almost whole, because made from loader mechanism C controlling and driving, it is always constant to take out of action, and CD D exposes from the insertion mouth 3a of protecgulum 3 when being over taking out of, and always is fixed as static state.

Secondly, structure and the action form of arm driving mechanism C2 are described.This arm driving mechanism C2 is made of following member, and guide channel 32b is loading with formation above the slider 32; Guiding slit 6b, the base plate 6 in the position that overlaps with guide channel 32b forms; Lever arm 50, one ends are guided the center section of arm 21 and support into rotatable; And, be fixed in the other end and the guide channel 32b of lever arm 50 and guide slit 6b both sides chimeric from untie-sell 52.And loader mechanism C begins action, loads with slider 32 when the X1-X2 direction moves, and moves from untie-sell 52 by guide channel 32b and guiding slit 6b guiding, and lever arm 50 displacements make guid arm 21 swings.

Secondly, structure and the action form of rack component driving mechanism C3 are described.This rack component driving mechanism C3 is made of following member, and guide channel 32c is loading with formation above the slider 32; Cam path (omitting diagram) forms in the side of loading with slider 32; Sliding component 54 has cam path (omitting diagram) in the side; From untie-sell 56,57, be fixed in rack component 8, be subjected to loading with the formed cam path guiding in the side of slider 32 and sliding component 54; And link component 59, supported by base plate 6 to be divided into the center with the bight of sending out the V word and freely to rotate, end embedding guide channel 32c, the other end is connected with sliding component 54.And loader mechanism C begins action, loads with slider 32 when the X1-X2 direction moves, and link component 59 is guided groove 32c and drives and rotate, and makes sliding component 54 slide.Then, guide from untie-sell 56,57 by loading with the cam path of slider 32 and sliding component 54 at this moment, rack component 8 rises or descends.

Secondly, the action form of the situation of the CD D that illustrates at optical disc apparatus 1 loading diameter 12cm.Fig. 2 represents to wait for the optical disc apparatus of insertion waiting status of the insertion of CD D, and Fig. 6 represents CD the supporting arm 17 and state of arm driving mechanism C2 this moment.At this moment, by first connecting rod arm 38 slidably with respect to second connecting rod arm 39, CD supporting arm 17 becomes the irrelevant swing of action that can use slider 32 with loading, but the clockwise direction bias voltage of the biasing force that utilizes stretch coil spring 44 in the figure, slit 6a butt X2 direction side end 6c waits at holding fix.Again, the location pending that guid arm 21 rotates in counter-clockwise direction in figure is at the location pending of rack component 8 declines.At this state, after the operator inserts mouthful 3a insertion CD D certainly, the CD abutting part 33 of the direction of insertion front end butt CD supporting arm 17 of CD D.

When device inside pushed CD D, by CD D pushing CD abutting part 33, CD supporting arm 17 arrived Fig. 7 and loading start position shown in Figure 13 to the swing of CD direction of insertion to the operator again.During this state of arrival, limit switch 47 utilizes 17 actions of CD supporting arm.

After making limit switch 47 actions, drive and load with motor 30, loader mechanism C begins action.So, load and move in the X1 direction with slider 32, arm driving mechanism C1 action, first connecting rod arm 38 and second connecting rod arm 39 utilize the effect of going up locking bar 40 to become integrated, again, arm driving mechanism C2 action, guid arm 21 is swung toward the clockwise direction, is used in the set CD abutting part 33 of the front end of CD supporting arm 17 and clamps CD D at the set 21a of CD support sector of the front end of guid arm 21.Then, move by arm driving mechanism C1, C2,21 swings of CD supporting arm 17 and guid arm are being loaded direction carrying CD D till the consistent location to the center pit Da of CD D and the chuck 7 again.In addition, till this moment, the swing that CD supporting arm 17 and guid arm 21 are synchronous is clamped CD D with CD abutting part 33 and the 21a of CD support sector, the state that keeps.

Then, move in the X1 direction with slider 32 by loading, rack component driving mechanism C3 action makes rack component 8 rise again.So in, be pressed under the protuberance 2b of casing 2 at open end at the jaw 7a of the chuck 7 that is disposed on the rack component 8 central authorities of CD D, cross the edge of the center pit Da of CD D, CD D is limited on the rotary table 10.Thereby CD D and rotary table 10 are integrated.

Then, load the state that retreats to the X1 direction a little with slider 32, by arm driving mechanism C1, C2 action, as Fig. 4 and shown in Figure 11, CD supporting arm 17, guid arm 21 are swung a little, remove CD abutting part 33, the 21a of CD support sector clamping CD D.Again, simultaneously, by rack component driving mechanism C3 action, rack component 8 descends, and CD D leaves the top board of casing 2.Thereby, become the state that can drive CD D rotation, clamp action and be over.

More than be the action form of optical disc apparatus 1 when moving into the CD D of diameter 12cm, still, when discharging CD D, along the path opposite with it, the composed component of each one carries out opposite action.Promptly, move towards the X2 direction with slider 32 by loading, rack component driving mechanism C3 makes rack component 8 descend, remove the clamping of 7 couples of CD D of chuck, and arm driving mechanism C1, C2 make 21 swings of CD supporting arm 17, guid arm, utilizes CD abutting part 33, the 21a of CD support sector to clamp CD D.Then, move towards the X2 direction again with slider 32 by loading, after arm driving mechanism C1, C2 make CD supporting arm 17, guid arm 21 be rocked to till the position shown in Figure 2, insert certainly mouthful pact of 3a discharge CD D half, finish and take out of.

Secondly, illustrate from inserting mouthful action of the situation of the CD Ds of 3a insertion diameter 8cm with reference to Figure 14 to Figure 16.In the present invention, inserted the situation of the CD Ds of diameter 8cm at the state of the insertion of waiting for CD D, configuration CD supporting arm 17, the position that makes CD Ds insert is any position of inserting mouthful 3a, also whole before inserting in mouthful 3a insertion device 1 at CD Ds, CD abutting part 33 butt CD Ds prevent from CD Ds is contained in device 1 inside.Particularly, make the CD Ds side that keeps left at the state of the CD abutting part 33 of dismantling, military order and guide member 27 slip the direction of insertion rearward end of CD Ds down be inserted into insert mouthful 3a consistent till the time the mobile route (zone of representing with the oblique line that falls towards the bottom right among Figure 14) of CD Ds be made as the first area, state at the CD abutting part 33 of dismantling makes 8cm CD Ds on the right side, military order and guide member 29 slip the direction of insertion rearward end of CD Ds down be inserted into insert mouthful 3a consistent till the time the mobile route (zone) of CD Ds when being made as second area to represent among Figure 14 towards the oblique line of upper right liter, wait in the scope of first area and second area repetition by making CD abutting part 33, CD Ds also makes at CD Ds whole from the preceding CD abutting part 33 butt CD Ds that insert in mouthful 3a insertion device 1 from the situation of arbitrary position insertion of inserting mouthful 3a.

At present embodiment, at the state (position that is represented by dotted lines among Figure 15) of the insertion of waiting for CD D, the set CD abutting part 33 of CD supporting arm 17 with the about 7.8cm of spacing distance dD of the about 4.1cm of spacing distance dC of guide member 27 and guide member 29 and and the location pending of the about 5.1cm of spacing distance dE of insertion mouth 3a.(, these spacing distances dC, dD, dE are made as diameter d B than the CD Ds of the path condition that necessitates for a short time in the present invention.)

Figure 15 represents that the operator makes the CD Ds of diameter 8cm by inserting the left side of mouthful 3a, the state when inserting in the device 1 under order and guide member 27 slip.As at Figure 15 with shown in the dotted line, the insertion of CD Ds midway the direction of insertion leading section of CD Ds be connected to the set CD abutting part 33 of front end of CD supporting arm 17.When the operator pushes CD Ds again, push away CD abutting part 33 by CD Ds, CD supporting arm 17 is to the swing of device rear.; shift the limit to the direction of insertion rearward end of CD Ds and CD onto and insert the situation of mouthful 3a till consistent; CD supporting arm 17 also only is rocked to till Figure 15 is with the position shown in the solid line; because of not arriving automatic loading start position (representing with some chain lines among Figure 15), loader mechanism C can not begin action.Then, when operator's hand left CD Ds, CD supporting arm 17 utilized the elastic force of stretch coil spring 44 to the swing of device the place ahead, gets back to and inserts holding fix (being represented by dotted lines among Figure 15).Therefore, utilize CD supporting arm 17 to push back CD Ds, prevent from really to take out CD Ds to discharging direction.

In addition, optical disc apparatus 1 at present embodiment, because of make CD supporting arm 17 be positioned at automatic loading start position state CD abutting part 33 and to insert the spacing distance dF of mouthful 3a bigger than the diameter d B of CD Ds (second disk-like recording medium), can prevent really that loader mechanism C begins action when inserting CD Ds.

Figure 16 represents that the operator makes the CD Ds of diameter 8cm by inserting the right side of mouthful 3a, the state when inserting in the device 1 under order and guide member 29 slip.At the insertion of the CD Ds CD abutting part 33 of the front end of the direction of insertion leading section butt CD supporting arm 17 of CD Ds midway.When the operator thought to push CD Ds again, because of CD Ds pushes away CD abutting part 33, the masterpiece of arrow P direction was used for CD supporting arm 17.At this, if CD supporting arm 17 rotates towards the P direction, the spacing distance of CD abutting part 33 and guide member 29 becomes diameter d B than CD Ds when big, and CD Ds is with regard in the complete access to plant 1 and can't take out.; if according to the optical disc apparatus 1 of present embodiment, CD supporting arm 17 is connected to the end 6c of base plate 6 formed slit 6a at state shown in Figure 16; because of forbidding that the spacing distance of CD abutting part 33 and guide member 29 can not become bigger than the diameter d B of CD Ds towards the swing of arrow P direction.Therefore, CD Ds can't move towards the X1 direction from state shown in Figure 16, jumps out the outer state of device because of being parked in rearward end, prevents from really to take out CD Ds.

In addition, at the optical disc apparatus 1 of present embodiment, the operator is with the situation of CD Ds from the centre position insertion optical disc apparatus 1 that inserts mouthful 3a, and the direction of insertion leading section of CD Ds is also at the set CD abutting part 33 of the front end of butt CD supporting arm 17.And the situation that is used for CD supporting arm 17 at the masterpiece of arrow P direction becomes the state of Figure 16, stops the further insertion operation of CD Ds.Again, the situation that is used for CD supporting arm 17 at counterclockwise masterpiece, roughly the same with situation shown in Figure 15, made the CD supporting arm of once swinging 17 get back to the insertion holding fix by the elastic force that utilizes stretch coil spring 44 towards counter-clockwise direction, push back CD Ds to discharging direction.Thereby, prevent from really to take out CD Ds.

The mobile route of CD abutting part 33 when in addition, the zone of representing with the oblique line of transverse direction among Figure 16 is 17 swings of CD supporting arm.If optical disc apparatus 1 according to present embodiment, by textural, make from above when seeing optical disc apparatus 1 mobile route of CD abutting part 33 and spinning worktable 10 allocation position of outstanding chuck 7 is not overlapping upward, suppress the slippage of chuck 7, realize the slimming of optical disc apparatus 1.

Embodiment two

Then, embodiments of the invention 2 below are described.Figure 19 is the dismantle planimetric map of state of top plate portion of casing 2 of optical disc apparatus 1.At Figure 19, symbol 17 is to administer to the device guided inside and to the CD supporting arm of the action of the outside CD D that releases diameter 12cm of device, at its front end retainer 19 is installed, mispluging into the path CD beyond the 12cm CD, particularly the situation of the CD Ds of diameter 8cm in order to prevention misplug into and stop access to plant inside.In addition, because of identical, omit its explanation in order to the driving mechanism that makes CD supporting arm 17 swing with the arm driving mechanism C that is adopted at embodiment one.

This retainer 19 as shown in figure 20, the abutting part 19a that contacts with the preceding periphery of 8cm CD Ds is contained in the front end of CD supporting arm 17 via elastic 19b.Be described in more detail it, the fastener 19c of retainer 19 and the front end of CD supporting arm 17 set by after the fastener 17b engaging, be inserted in the set perforation 17c of front end of CD supporting arm 17 by the card claw stop 19d of retainer 19, retainer 19 be contained in the front end of CD supporting arm 17.At present embodiment, will be elastomeric leaf spring as retainer 19, be contained in the front end of CD supporting arm 17.About the detailed action of the situation that misplugs inlet 8cm CD Ds with aftermentioned.

At the also fixing support 18 of supporting the end of CD D of the front end of CD supporting arm 17.This support 18 forms the socket end 18a of portion at front end as shown in figure 20, forms at sidepiece to keep groove 18b.Again, support 18 is fixed with screw from rear side by order after the front end 17a of CD supporting arm 17 inserts supporting arm installing port 18c, is fixed in CD supporting arm 17.By this support 18 is fixed in CD supporting arm 17, prevent that retainer 19 breaks away from CD supporting arm 17.In addition, this support 18 forms integral body with the high material of friction factor, perhaps silica gel etc. is sticked at this 18a of socket end portion and keeps groove 18b, makes frictional resistance act on CD D and also can.If do after this manner, remove the clamping of the CD D that is driven rotation and during with CD supporting arm 17 support CD D, can utilize support 18 to stop the rotation of CD D fast.

Then, the action form that inserts the situation optical disc apparatus 1 of 12cm CD D the operator is described.At structure shown in Figure 19, after the operator inserts CD D, utilize the support 18 of CD supporting arm 17 and guid arm 21 to device guided inside CD D.In addition, at Figure 19, the state representation operator of the CD supporting arm of representing with solid line 17 is after inserting mouthful 3a and inserting CD D, and its front end is positioned at the 18a of socket end portion of support 18 of front end of CD supporting arm 17 and the initial state of the state supported.

After device inside pushed CD D, rearward swung, and arrives automatic loading start position by CD supporting arm 17 from this initial state for the operator, utilizes CD supporting arm 17 to make limit switch 47 actions.

After these limit switch 47 actions, drive and load with motor 30, carrying mechanism begins to drive.So loading begins to retreat with slider 32, by retreating traction lever arm 50 along with loading, guid arm 21 swings with slider 32.And, utilize guid arm 21 and CD supporting arm 17 to clamp CD D.

Load and to retreat with slider 32 again, CD supporting arm 17 and guid arm 21 are rearward swung, and move into CD D, the center pit Da of CD D be positioned at chuck 7 on consistent location.In addition, till this moment, keep the swing that CD supporting arm 17 and guid arm 21 are synchronous after clamping CD D with support 18 and guid arm 21.

Then, by be used in load with slider 32 and with load with the sliding component 54 formed cam paths of the synchronous forward-reverse of slider 32 guide be fixed in rack component 8 from untie-sell 56,57, the elevating mechanism of rack component 8 moves.That is, load and to retreat again, be subjected to the rake guiding of cam path and rise from untie-sell 56,57, along with rack component 8 and chuck 7 begin rising with slider 32.

Then, the open end of the center pit Da of the jaw 7a butt CD D of chuck 7.Chuck 7 rises again, and its jaw 7a upwards pushes away CD D, the open end of its center pit Da is pressed in the protuberance 2b of casing 2.So chuck 7 embeds the center pit Da of CD D, its jaw 7a is limited to the open end of CD D.That is, CD D is fixed on the rotary table 10 and clamps.

After chuck 7 clamped the center pit Da of CD D, when loading retreated a little with slider 32, CD supporting arm 17 is swing a little also, removes the clamping of 18 couples of CD D of support.The clamping of CD D is removed in the also synchronous swing a little of guid arm 21 this moment.Again,, in cam path, descend a little, become the state that can drive CD D rotation from untie-sell 56,57 at the elevating mechanism of rack component 8.That is, clamping action is over.

More than be the operation form of optical disc apparatus 1 when moving into the CD D of diameter 12cm, still, when taking out of CD D, along the path opposite with it, the constituent components of each one carries out opposite action.That is, the reverse drive carrying mechanism, order is loaded and is advanced with slider 32, and CD supporting arm 17 is forwards swung.Then,, be rocked to till the position with the CD supporting arm 17 shown in the solid line at Figure 19, insert certainly mouthful 3a discharge CD D pact half, finish and take out of.

Secondly, illustrate as above-mentioned optical disc apparatus 1, the 8cm path CD Ds that diameter diameter group 12cm CD D is little as shown in figure 21 is from inserting the action of mouthful 3a by the situation of the right-hand member insertion of optical disc apparatus 1.

Insert 8cm CD Ds and feasible situation about being positioned at the operator from inserting mouthful 3a by the right-hand member of optical disc apparatus 1, as shown in figure 22, before the whole access to plant inside fully of 8cm CD Ds, the preceding periphery of CD Ds just is connected to the abutting part 19a of the retainer 19 that the front end of CD supporting arm 17 installs.Therefore, prevent the insertion of 8cm CD Ds, stop access to plant inside.

At the state of this Figure 22, when the operator pushes CD Ds again to device inside, utilize the abutting part 19a of the preceding periphery pushing retainer 19 of CD Ds., in the present embodiment, using at retainer 19 is elastomeric leaf spring, and abutting part 19a is fixed in CD supporting arm 17 via the elastic 19b of leaf spring.Thereby the abutting part 19a of the retainer 19 of the preceding periphery of contact CD Ds is urged and is pushed into, and also the elastic force by the elastic 19b that utilizes this pushing to produce pushes back abutting part 19a.Along with, CD Ds is pushed back operator's side.That is, insert mouthful 3a certainly and push back CD Ds as jumping out to operator's side such as moment.Therefore,, can make the operator notice that the driving of optical disc apparatus 1 and 8cm CD Ds is not corresponding, can prevent and insert 8cm CD Ds by pushing back CD Ds towards taking out of direction.

Again, as shown in figure 22, insert 8cm CD Ds, the position of CD supporting arm 17 is CDs of waiting for the external diameter of regulation during the abutting part 19a of the preceding periphery contact retainer 19 of CD Ds, and particularly the 12cm CD moves into the position.That is, CD supporting arm 17 is rocked to the position of forefront.In this position, as pushing CD supporting arm 17 as the swing toward the clockwise direction act on CD supporting arm 17 energetically the time, CD supporting arm 17 may damage.,, push CD Ds again, also absorb pushing force by the elastic 19b distortion of the retainer 19 that contacts with the preceding periphery of CD Ds from the position of Figure 22 if according to present embodiment.Therefore, but act on CD supporting arm 17 energetically shown in above-mentioned, can prevent that CD supporting arm 17 from damaging.

So, the operator misplugs into 8cm CD Ds from inserting a mouthful 3a, also before the whole access to plant inside fully of 8cm CD Ds, prevent the operator misplug into, because of adopting the structure that returns 8cm CD Ds to operator's thruster, can prevent that the operator from can't take out the fault of the bad or optical disc apparatus 1 of 8cm CD Ds from device inside.

Be illustrated at Figure 23 and do not install in order to stoping the optical disc apparatus 1 of the retainer 19 that 8cm CD Ds enters, the operator makes the state by the situation of the insertion 8cm CD Ds of optical disc apparatus 1 right-hand member of being positioned at from inserting mouthful 3a.At Figure 23, because of the CD supporting arm 17 of optical disc apparatus 1 being configured to be configured to swinging than chuck 7 left sides not by on the chuck 7.In addition, guid arm 21 is configured to wait for moving into of 12cm CD D at the right-hand member of device.Textural at these optical disc apparatus 1, but between CD supporting arm 17 and guid arm 21, there is 8cm CD Ds access to plant volume inside.In order to make this space can not become the access path of 8cm CD Ds, as noted above at present embodiment, at CD supporting arm 17 retainer 19 is installed, block the access path of 8cm CD Ds., in the situation that optical disc apparatus 1 is not installed retainer 19, this space becomes access path, and 8cm CD Ds integral body just enters optical disc apparatus 1 inside, and the operator can't take out CD Ds, and this can understand it from Figure 23.

As noted above, textural at optical disc apparatus 1 exists 8cm CD Ds to installing the space of inner access path in the right-hand member side of device.Thereby, at the optical disc apparatus 1 of present embodiment, retainer 19 is installed at the front end of CD supporting arm 17, make as be positioned at the access path that can not become 8cm CD Ds by this space of situation of inserting 8cm CD Ds as the right-hand member of optical disc apparatus 1.And, contact the abutting part 19a of this retainer 19 by the preceding periphery of 8cm CD Ds, prevent the insertion of 8cm CD Ds, make to stop 8cm CD Ds access to plant inside.

In addition, optical disc apparatus 1 at present embodiment, the operator is positioned at the situation of the insertion of the position beyond the right-hand member of optical disc apparatus 1 from inserting mouthful 3a as making 8cm CD Ds, the front end of 8cm CD Ds be connected to the forefront wait for 12cm CD D the CD supporting arm of moving into 17 front end support 18 and supported., with CD Ds pushing in device inside again, also till making limit switch 47 actions, can't make 17 swings of CD supporting arm.That is, because of 8cm CD Ds is a path, the support 18 of the front end of the front end butt CD supporting arm 17 of CD Ds and supported that also do not drive carrying mechanism, CD supporting arm 17 is got back to the holding fix of forefront.Therefore, utilize CD supporting arm 17 that 8cm CD Ds is pushed back operator's side, stop 8cm CD Ds access to plant inside really.

Represent it is the optical disc apparatus 1 that the CD D of diameter 12cm of CD of external diameter of regulation inserts present embodiment at Figure 24, after clamping action and being over, become and to drive the state that CD D rotates.At Figure 24, after chuck 7 clamps the center pit Da of CD D, when having removed the state of clamping of 18 couples of CD D of support of CD supporting arm 17, the fixed part 23 of the inwall that the abutting part 19a of the retainer of installing at the front end of CD supporting arm 17 19 and device are inner slips.That is, for the clamping of 18 couples of CD D of support of removing CD supporting arm 17, when CD supporting arm 17 was rearward swung a little, the abutting part 19a and the fixed part 23 of retainer 19 slipped, fixedly the position of CD supporting arm 17.Therefore, utilize Spindle Motor 11 to drive the CD D that chucks 7 are clamped and rotate, in the operation of recording of data and in the playback action, suppress the vibration of CD supporting arm 17 fiercenesses or rock.Thereby, prevent the vibration of CD supporting arm 17 or rock caused noise or the damage of each mechanism part.In addition, at present embodiment, using on retainer 19 is elastomeric leaf spring, because of CD supporting arm 17 is fixed in fixed part 23 via the elastic 19b of leaf spring, can prevents the vibration of CD supporting arm 17 really or rocks.

Embodiments of the invention more than have been described, but the present invention is not defined as the embodiment shown in the drawing, can carries out various changes according to technical conception of the present invention.

For example, be not defined as the position of the above embodiments 1 in the position of the CD abutting part 33 of the insertion state of waiting for CD D, if prevent from CD Ds integral body is contained in the position of device inside behind the direction of insertion leading section of the CD Ds of butt path, also change that can be suitable.

Again, for example,, on retainer 19, use leaf spring, be contained in CD supporting arm 17, if but the abutting part that contacts with the preceding periphery of 8cm CD Ds is contained in the structure of CD supporting arm 17, also change that can be suitable via elastic at embodiments of the invention two.

Claims (2)

1. optical disc apparatus, the moving into or taking out of of the CD of the external diameter of stipulating by driving the CD supporting arm,

It is characterized by: possess CD and enter holdout device, wait for the state of moving into of CD at this CD supporting arm, make its prevent from CD insert mouthful will than the external diameter of regulation more the CD of path be inserted into outside the supported scope of CD supporting arm,

Wherein: it is a retainer that this CD enters holdout device, and this retainer has the abutting part that contacts at the preceding periphery of approach axis with the CD of path;

This retainer is installed in the front end of this CD supporting arm;

The retainer of being installed at this CD supporting arm has elasticity, when periphery pushes the abutting part of this retainer before the CD of path, the elastic force that only utilizes this pushing and produced, and absorption makes the pushing force of this CD supporting arm swing, so this pushing force can not act on this supporting arm, therefore the CD with this path pushes back towards taking out of direction.

2. optical disc apparatus as claimed in claim 1, wherein, remove the state of supporting arm the moving into of CD of the external diameter of finishing regulation, make the abutting part and the inner inwall of device of the retainer installed at supporting arm slip, produce anti-vibration functions for this supporting arm to the support of this CD.

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