KR910005405Y1 - Loading apparatus of disk-typed recording carrier - Google Patents

Abstract

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Description

Disc-type recording medium loading device

1 is a top perspective view of a part of the disc-shaped recording medium loading apparatus according to the present invention;

2 is a top perspective view of the main portion just before the draft loading device pulls the tray.

3 is a cross-sectional view taken along line III-III of FIG.

4 and 5 are a state diagram and a third diagram for explaining the operation of the present invention.

6 is a partially cutaway side view showing a state in which the loading device according to the present proposal pulls out a tray;

7 and 8 are the same state diagrams as the sixth diagram for explaining the operation.

9 is a perspective view of a large tray.

* Explanation of symbols for main parts of the drawings

1: Tray accommodating part 2a: Small disc-type recording medium

2b: large disc-shaped recording medium 3a: small tray

3b: large tray 4: tray body

4a: Aperture 5a: Small recording medium placement recess

5b: Large recording medium wit recess 9: turntable

10: clamper 11: guide body

14: incoming mechanism 27: guide body strong ball

41: drive mechanism 50: release prevention member

52: spring member 53: dissociation member

The present invention allows discs of any size to be placed in a tray (CD: COMPACT DISK… currently available in 12CM and 8CM), so that discs can be transported from the disc inlet to the play position without dropping out of the tray. A recording medium loading apparatus.

The CD drive device is provided with a CD-loading device for placing a CD in a tray and conveying it from the disc introduction portion to the playback operation position.

The CD-loading device guides a desired tray on which a CD of a predetermined size is placed in a recording medium placement recess in the periphery of the opening to a mechanism that pulls the guide tray into the mechanism that pulls the disc into the upper position of the turntable from the disc introduction section. Lowering the sieve to place the CD on the turntable, lowering the guide body again to dissociate the tray from the CD, and subsequently lowering the clamper to squeeze the CD onto the turntable, the retracting mechanism and guide body lowering The mechanism and the clamper are operated by the drive mechanism at a predetermined timing.

However, in the conventional CD rouding device, when using a CD of 12CM plate, the edge of the CD is a U-shaped left and right guide that guides the tray until the tray is inserted from the disc introduction portion to the regeneration operation position, that is, the upper position of the turntable. At the same time, there is no fear that the CD will fall out of the tray. Of course, after being pulled up to the regeneration operation position, the clamper is squeezed to the turntable so that there is no fear of falling off.

However, when using 8CM CDs, the edges of the CDs do not reach the left and right guides, so in particular when using under extreme conditions with high external vibration, the CDs may fall off the trays while the trays are moved from the disc inlet to the play position. there was.

This paper has been devised in view of the above circumstances, and it is a disc type that can reliably prevent the CD from falling out of the tray while the tray is moved from the disc inlet to the playback operation position even when a small CD is used under a severe external vibration condition. It is an object of the present invention to provide a recording medium loading device.

In order to achieve the above object, the disk-type recording medium loading apparatus of the present invention has a plurality of trays different from each other in the recording medium placing recess, and is located above the minimum size recording medium placing recess in the upper portion of the guide body. A spring member for elastically squeezing the release preventing member to prevent the CD from falling off the tray to the guide body; and the spring preventing member installed in the drive mechanism before the tray is released from the CD. It characterized in that it is provided with a dissociation member spaced apart from the guide body against the elastic force of the.

Since the release tray is pulled out from the disk introduction portion to the upper position of the turntable and the CD is mounted on the turntable, the anti-release member is pressed onto the guide body by the elastic force of the spring member. Dropping is prevented.

Further, before the tray is separated from the CD, the release preventing member is separated from the guide body by the dissociation member against the elastic force of the spring member.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a top perspective view of a part of a disc-shaped recording medium (CD) loading device in the present invention, in which 1 is a tray accommodating portion provided in a disc introduction portion, and the tray accommodating portion 1 includes a CD 2a. , The plurality of trays 3a and 3b on which (2b) are placed are stacked in the up-down direction, and the stacks 32a and 3b are movable in the direction of arrows A and B in the drawing in the tray storage section 1. . The tray 3a on one side has a recording medium placing recess 5a for placing a small size, for example, a CD 2a of an 8CM plate, around the opening 4a of the tray 4, as shown in FIG. As for the small-sized and small-sized tray 3b, as shown in FIG. 9, the recording which mounts CD2b of 12CM board, for example around the opening 4a of the tray main body 4 is carried out. Two types of trays 3a and 3b are provided for the large size with the medium placing concave portion 5b and different in the concave portion size.

Two engaging holes 6 of an L-shaped pull mechanism are formed in the front end face of the tray main body 4 of each tray 3a, 3b.

On the front of the tray storage part 1 (drawing direction of each tray 3a, 3b), the movable plate 7 is arrange | positioned up and down in the lamination direction of each tray 3a, 3b. The movable plate 7 is lifted by a lifting mechanism not shown.

As shown in FIG. 3, the movable plate 7 includes a turntable 9 rotated by a motor 8 and CDs 2a and 2b mounted on the turntable 9, respectively. ) Is provided with a clamper 10 for crimping.

The guide body 11 is arrange | positioned in the movable plate 7 in the stacking direction of each tray 3a, 3b. The guide body 11 has tray guides 12 and 13 formed of c-shaped grooves on the left and right sides of the tray guides 12 and 13 of the trays 3a and 3b. Both edges of the tray main body 4 are engaged with slip.

On the movable plate 7, the desired trays 3a and 3b are connected to the tray guides 12 and 13 of the guide body 11 so as to be located above the turntable 9 in the tray storage section 1. The drawer part 14 which draws in is provided. This inlet mechanism 14 has a flat L-shaped tray inlet 15, and the tray main body 4 of each of the trays 3 and 3 is provided at the left end (inner end) of the drawing of the tray inlet 15. FIG. A planar substantially L-shaped handle portion 16 engaged with the inlet engaging hole 6 of is formed.

As for the tray inlet 15, the engaging pins 17 and 18 which protruded in the lower surface are engaged with the guide grooves 19 and 20, respectively. The tray inlet 15 is connected to a drive mechanism 41 described later via the link mechanism 21. The link mechanism 21 is a first link arm 25 which is rotatably supported by the shaft 24 on the upper surface of the plate 23 connected to the movable plate 7 via the support member 22, and the first link arm 25. The second link arm 26 is provided between one end of the link arm 25 and the tray inlet 15.

When the trays 3a and 3b are pulled up to the position above the turntable 9 in the movable plate 7, the guide body 11 is lowered to move the CDs 2a and 2b to the turntable 9. After mounting on the top, the guide body lowering hole 27 which separates each tray 3a, 3b by CD2a, 2b is provided. The guide body lowering hole 27 has moving plates 28 and 29 which are located on both sides of the guide body 11 and move in mutually relative directions, and these moving plates 28 and 29 are movable. It is connected to the board 7 by the connecting arm 31 which is rotatably supported by the shaft 30.

One end of the engaging pin 32 of the connecting arm 31 is rotatably engaged with the engaging hole 33 of the movable plate 28 on one side.

The other end of the connecting arm 31 is divided into two strands, and is rotatably engaged with the engagement hole 35 of the movable plate 29 on the other side of the engagement pin 34 at one end thereof, and the other end thereof. The engagement projections 36 at the ends of the ends are connected to a drive mechanism 41 described later. Guide holes 37 and 38 are formed in the front and rear portions of the moving plates 28 and 29 on both sides, respectively, and the front and rear portions of both sides of the guide body 11 are formed in these guide holes 37 and 38, respectively. Engagement pins 39 and 40 protruding from each other are slipped on each other. The guide body 11 moves up and down as the moving plates 28 and 29 on both sides move in the relative direction.

The movable plate 7 is provided with a drive mechanism 41 for operating the inlet mechanism 14, the guide body lowering hole 27, and the clamper 10 at a predetermined timing. This drive mechanism 41 has a motor 42 which is subjected to forward and reverse rotation and a moving body 43 which is reciprocated in connection with the tray retracting direction by the motor 42. The motor 42 is supported by the lower surface of the plate 23, and the pinion shaft 45 is connected to the rotary shaft 42a via the power transmission mechanism 44. The movable body 43 has a c-shaped cross section formed by extending the horizontal pieces 43b and 43c at the upper and lower ends of the vertical piece 43b, and the upper horizontal surface 43b is the long hole 23a of the plate 23. It is engaged in the inside of a mobile.

The pinion 45a of one end of the pinion shaft 45 engages with the rack 46 provided on the outer surface of the vertical piece 43a of the movable body 43.

In addition, the engaging pins 48 at the other end of the first link arm 25 of the inlet mechanism 14 are slipped in the planar L-shaped engaging grooves 47 provided on the upper surface of the upper horizontal piece 43b of the movable body 43. Are engaged.

The first link arm 25 rotates forward and backward at a predetermined timing with the reciprocation of the movable body 43. Moreover, the engagement hole 49 is provided in the one end side of the lower horizontal piece 43c of the movable body 43. As shown in FIG. The engaging projection 36 at the other end of the connecting arm 31 is in direct slip contact with the side edge portion of the lower horizontal piece 43c of the movable body 43. In connection with the reciprocating motion of the movable body 43, the connecting arm 31 rotates forward and backward at a predetermined timing.

Furthermore, with the reciprocation of the moving body 43, the clamper 10 is made to move up and down at a predetermined timing.

Located above the guide body 12, above the recording medium placement recess 5a of the small-size tray 3a, a release preventing member 50, which is the subject of the present invention, is provided. The release preventing member 5 prevents the CDs 2a and 2b from dissociating in each of the trays 3a and 3b, and has a pair of shells 50a extending in the tray retracting direction. It is made by connecting (50a) at parallel intervals to each other between the connections (50b). The release preventing member 50 is held by the shaft 50c on both arms 51a and 51a of the support member 51 which is rotatably mounted on the upper surface of the plate 23 in a predetermined range up and down. The anti-release member 50 is squeezed to the upper wall of the guide body 11 when rotated to the lower side of the support member 51, the embossed body (50a), 50a is mounted on the upper wall of the guide body 11 ( 11a) and 11a to be directed downward.

The support member 51 is pivoted downward by the elastic force of the spring member 52. The spring member 52 is formed of a rod spring, one end of which is fixed to the upper surface of the plate 23 and the other end of the spring member 52 to be pressed against the upper surface of the support member 51.

The release preventing member 50 is separated from the guide body 11 by the dissociation member 53 against the elastic force of the spring member 52 before the tray is separated from the CD.

The dissociation member 53 is integrally provided at the distal end portion of the upper horizontal surface 43a of the movable body 43 of the drive mechanism 41, and the upper surface thereof is an inclined surface 53a. When the movable body 43 moves in one direction, the inclined surface 53a of the dissociation member 53 engages the lower surface of the hard acid engaging piece 54 of the support member 51, so that the support member 51 is slightly upward. Rotated, and the release prevention member 50 which was supported here is spaced apart from the guide body 11.

Furthermore, a part of the tray guides 12 and 13 of the guide body 11 is provided with the same notches 12a and 13a similar to the conventional ones, and the notches 12a and 13a have a large size. The pinching by the tray guides 12 and 13 of the CD 2a is released.

The following describes the operation of the CD recording apparatus having the above configuration.

Of a plurality of trays 3a and 3b stored in the tray storage section 1, a reproducing operation member (not shown) is operated after operating a selection specifying operation member (not shown) to reproduce a CD placed in a desired tray. Operation, the movable plate 7 is raised to correspond to a predetermined tray selected from among the plurality of trays 3a and 3b accommodated in the tray accommodating part 1, for example, the small size tray 3a. It stops at the position to be made, and the locking part 16 of the tray inlet 15 is inserted below in the inlet engaging hole 6 of the said predetermined tray 3a.

Next, the motor 42 of the drive mechanism 41 is driven to move the movable body 43 in the direction of arrow B during the first time, whereby the engaging groove 47 of the movable body 43 is perpendicular to the moving axis. The first link arm 25 to which the engagement pin 48 engages with 47a rotates in a counterclockwise direction, with the tray inlet 15 being the first through the second link arm 26. It moves in the direction of arrow A in the figure. With this movement, a predetermined tray 3a is drawn in the direction of the arrow A from the tray storage portion 1, and both edges of the tray 3a are placed in the tray guide 12 913 of the guide body 11. It is inserted (see FIG. 6) and the predetermined tray 3a is pulled up to the position above the turntable 9. Until the tray 3a is pulled from the tray storage portion 1 to the upper position of the turntable 9, as shown in FIGS. 3 and 6, the release preventing member 50 is formed of the spring member 52. It is pressed against the upper surface of the guide body 11 via the support member 51 by elastic force, and the relief bodies 50a and 50a are directed downward through the long holes 11a and 11a of the guide body 11. Since it faces the upper surface of the CD 2a mounted on the tray 3a, the CD 2a is not dissociated or dropped from the tray 3a. In this way, when the predetermined tray 3a reaches the upper position of the turntable 9, the engagement pin 48 of the first link arm 25 is soft to the moving direction of the engagement groove 47 of the movable body 43. Engage with the part 47b. For this reason, even if the moving body 43 moves further to the arrow B direction after that, the 1st link arm 25 will stop at that position without rotating, and all the pulling operation | movement of the tray 3a will be complete | finished.

On the other hand, at the same time as the pulling operation of the tray 3a is started, the other moving plate 29 moves integrally with the moving body 43 in the direction of arrow B in FIG. 2, and is connected via the connecting arm 31. One of the moving plates 28 moves relative to each other in the direction of arrow A in FIG. 2. Until the tray 3a reaches the upper position of the turntable 9, both engaging plates 39 and 40 of the guide body 11 are guide holes of the two moving plates 28 and 29, respectively. Since it is located in the horizontal parts 37a and 38a of 37 and 38, the guide body 11 moves horizontally, without displacing in the up-down direction.

After the tray 3a reaches the upper position of the turntable 9, the two engagement pins 39 and 40 of the guide body 11 are guide balls 37 of both moving plates 28 and 29. ) And (38) are engaged in the downward inclined portions 37b and 38b. For this reason, as the movable body 43 moves again in the direction of arrow B, the guide body 11 gradually descends as the two moving pins 28 and 29 move in the relative direction. As shown, the CD 2a is mounted on the turntable 9 together with the tray 3a, and the CD 2a is pressed onto the turntable 9 by the clamper 10. As shown in FIG.

In this case as well, the anti-release member 50 is pressed against the upper surface of the guide body 11 via the support member 51 by the elastic force of the spring member 52 as in the case of FIGS. 3 and 6 above. The sieves 50a and 50a are directed downward through the long holes 11a and 11a of the guide body 11 and face the upper surface of the CD 2a mounted on the tray 3a. 2a) does not leave the tray 3a.

Thereafter, as the movable body 43 moves in the direction of arrow B again, the copper plates 28 and 29 move in the relative direction, so that the tray 3a is lowered together with the guide body 11 so as to move to FIG. As shown in FIG. 8, the tray 3a is separated from the CD 2a.

On the one hand, just before the tray 3a is dissociated from the CD 2a, the dissociation member 53 provided on the movable body 43 engages the inclined engagement piece 54 of the support member 51, thereby supporting the support member ( Since 51 is rotated upward in response to the elastic force of the spring member 52, as shown in FIG. 5 and FIG. 8, the relief body 50a of the anti-release member 50 is located above the guide body 11. It is located in the gap.

In this state, it is driven by the motor 8, the CD 2a is rotated integrally with the turntable 9, and this CD 2a is reproduced.

Therefore, even when a small size CD 2a is used, especially under adverse conditions with a lot of external vibrations, the CD 2a can be safely and reliably conveyed to the reproduction operation position.

Furthermore, even when the large sized CD 2a is played back, the dissociation preventing member 50 can prevent dissociation or dropping out of the tray 3b in the same manner as in the case of the small sized CD 2a. to be.

Furthermore, in the above embodiment, the CDs (2a) and (2b) of the 12CM and 8CM plates have been described, but the present invention is not limited to this, and the disc type uses three or more types of disk-type recording media having different sizes. It can be widely applied to the recording medium loading device.

In addition, although the case where the left and right pair of tray guides 12 and 13 which consist of the same U-shaped groove as the guide body 11 which guides the trays 3a and 3b was provided, was explained, Since the upper wall of the U-shaped groove is omitted by mounting the lateral grooves on the lower walls of the trays 3a and 3b, there is no problem.

As described above, the disc-shaped recording medium loading apparatus of this paper is designed to bring all the disc-regardless of the size of the disc until the disc-shaped recording medium is mounted on the turntable, so that the desired tray is pulled from the trace storing portion to the position above the turntable. The recording medium is held so as not to dissociate from the tray by the release preventing member. Therefore, even when a small size of recording medium is used under adverse conditions with a lot of external vibrations, it is possible to reliably prevent the recording medium from falling out of the tray during transportation.

Claims (1)

A retracting mechanism for connecting a desired tray on which a disc-shaped recording medium of a predetermined size is placed in a recording medium mounting recess portion around an opening to a guide body, and pulling the tray from the disc introduction portion to an upper position of the turntable; When the guide is lowered, the guide body is lowered and the disc-shaped recording medium is placed on the turntable, and the guide body is lowered from the disc-shaped recording medium. A disk-type recording medium loading device, comprising: a clamper for pressing the disk-shaped recording medium to the turntable; a driving mechanism for operating the retracting mechanism, the guide body lowering hole, and the clamper at a predetermined timing; In addition to having a plurality of different types of recording medium placement recesses, A release preventing member positioned above the minimum size of the recording medium mounting recess of the minimum size and preventing release of the recording medium from the tray; a spring member elastically compressing the release preventing member to the guide body; And a dissociation member installed in a drive mechanism to separate the release prevention member from the ride body against the elastic force of the spring member before the tray is separated from the disc recording medium. Rowing device.