JPH01176362A - Disk loading device - Google Patents

Abstract

PURPOSE:To cause a loading tray to be compact and thin, to cause intensity up and to reduce the number of parts by providing a cantilever turning member to load a traverse and to be held with being turnable in a disk surface direction and a lifting member to lift this turning member. CONSTITUTION:A loading device is equipped with a cantilever turning member 27 to load a traverse 21 and to be held with being turnable in a disk 13 surface direction and a lifting member 29 to lift this turning member in the disk surface direction around a turning center. Since the cantilever turning member 27 to load the traverse and to be held with being turnable is lifted in the disk surface direction by the lifting member 29, a turn table on the traverse lifts up the disk 13. Further, since the turn table is moved to a position where a clamper 32 can be lifted up, the disk 13 is clamped on a turn table 23. Accordingly, the duplex structure of the loading tray to lift the disk is eliminated. Then, the tray is caused to be compact and thin and the parts can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a disc loading device in which a disc-shaped information recording medium such as a compact disc is placed and housed in the main body of the device, and a performance is read out.

Conventional technology Conventionally, in a disc loading device, when the tray is stored, the disc holder on the tray descends and the disc is placed on the turntable placed at the bottom, and at the same time, a disc clamper descends from above to load the disc. It was called clamping.

A conventional disc loading device will be described below with reference to the drawings.

7 and 8 are front views of a conventional disc loading device, in which FIG. 7 shows a state in which a disc is being loaded, and FIG. 8 shows a state in which a performance is being performed. 1 is the main body of the device. 2 is a loading tray, and 3 is a disc holder on which a disc 4 is placed. After the loading tray 2 is housed in the apparatus main body 1, the disc holder 3 is lowered. 5 is a turntable, 6 is a clamper arm, and 7 is a clamper that presses the disk 4 toward the turntable 5 using a magnet or the like. The clamper arms are rotatably provided in the apparatus main body 1 and are raised and lowered in conjunction with the movement of the loading tray 2 or by a clamper arm raising and lowering motor (not shown). Reference numeral 8 denotes a traverse, which includes an optical pickup (not shown), a turntable 5, etc., and is attached to the main body 1 of the apparatus.

The operation of the disc loading device configured as described above will be explained below.

First, when the disc 4 is placed on the loading tray 2 and is being loaded (FIG. 7), the disc holder 3 on the loading tray 2 is in a raised state, and the clamper arm 6 is also in a raised state. It is. Next, when the loading tray 2 is housed in the apparatus main body 1, the disc holder 3 is lowered in conjunction with the movement of the loading tray 2, and the disc 4 on the disc holder is lowered onto the turntable 5. At the same time, the clamper arm 6 descends toward the turntable and clamps the disk 4, as shown in FIG.

Problems to be Solved by the Invention However, in the above configuration, a mechanism for raising and lowering the disc holder is required in the loading tray, and the loading tray is divided into a tray body and a disc holder, etc. Due to the heavy structure, there were concerns about lack of strength, and to compensate for this, the size of the tray was increased.

It had drawbacks such as thick walls and a large number of components.

In addition, in order to make the clamper arm movable so that it can be raised and lowered, it is necessary to increase the size and thickness of the cantilevered clamper arm in order to increase its strength. There were problems such as vibration chatter of the clamper arm, the complexity of the lifting and lowering mechanism parts, an increase in the number of parts, and increased costs.

In view of the above-mentioned problems, the present invention provides a disk loading device that simplifies the structure of the loading tray and clamper arm, reduces the number of parts, reduces costs, ensures strength, and is made smaller and thinner.

Means for Solving the Problems In order to solve the above-mentioned problems, the disc loading device of the present invention includes a cantilevered rotating member on which a traverse is placed and held rotatably in the direction of the disc surface; It is equipped with an elevating member that moves the movable member up and down in the direction of the disk surface around the center of rotation.

According to the above-described structure, the cantilever rotating member on which the traverse is placed and rotatably held is moved up and down in the direction of the disk surface by the elevating member, so that the turntable on the traverse lifts the disk. The disc is further clamped on the turntable by moving the clamper to a lifting position. Therefore, the double structure of the loading tray for raising and lowering the disk, which was a problem with the conventional method, is no longer required, and the tray can be made smaller and thinner.

In addition to reducing the number of parts, there is no longer a need for a lifting mechanism to raise and lower the clamper arm, which also simplifies and reduces parts, making it smaller and thinner.

This will lead to cost reductions.

Embodiment Hereinafter, a disc loading device according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 2 shows the loading tray ejected state of the disc loading device of the present invention.

In FIG. 2, 11 is the main body of the apparatus, 12 is a loading tray, and 13 is a disk. Is the loading tray 12 the guide piece 14? It is guided by L to 14f and stored in the device main body 11.

15 is a loading motor, 16 is a motor gear,
1 is a reduction gear A, and 18 is a reduction gear B. Reference numeral 19 denotes a drive rack υ, which meshes with the small diameter gear portion of the reduction gear B1B. Drive rack 19 is loading tray 12
A drive gear 20 is provided to slide on the back side. The drive gear 20 meshes with a tray rack 12& formed on the back side of the loading tray 12.

FIG. 1 is a front view showing the state of this apparatus during disk loading, and in FIGS. 1 and 2, 21 indicates traverse. 22 is an optical pickup for reading optical signals, 23 is a turntable, and 24 is a spindle motor for rotating the turntable. The traverse 21 is placed on a cantilevered rotating member 27 about a shaft 26 via a loading rubber 25.

An elevating pin 28 is caulked to the rotating end of the rotating member 27 and is engaged with an elevating member 29 . The rank portion formed on the elevating member 29 is also engaged with the aforementioned drive gear 20, and slides on the device main body 11, and also raises and lowers the rotating member 27 by a slope portion provided at a portion that engages with the elevating pin 28. let Reference numeral 30 denotes a drive control lever, which is biased counterclockwise by a biasing spring 31. Lock part 3C) & and 3o integrally formed on the drive control lever
b are adapted to engage with a rack portion formed on the elevating member 29 and the tray rack 12 &, respectively.

A clamper 32 is rotatably held on a clamper arm 11a on the device main body 11, and clamps the disk 13 on the turntable 23. 33 is a loading tray storage detection switch, and 34 is an ejection detection switch.

The operation of the disc loading device configured as described above will be described below with reference to FIGS. 1 to 6.

First, FIGS. 3 and 4 are plan views of the loading tray housed in the main body of the apparatus, showing internal components. FIG. 3 shows a state before the disk is clamped, that is, the traverse is not raised, and FIG. 4 shows a state in which the traverse is raised and the disk is clamped. 5 is a front view of the state shown in FIG. 4, and FIG. 6 is a side view of the state shown in FIG. 4.

In FIG. 2, the loading tray 12 is pulled out.
When the tray is pulled in with the disk 13 placed thereon, the loading motor 15 rotates and the motor gear 16
The drive rack 19 is then drawn into the apparatus main body 11 via the reduction gear A17 and the reduction gear B1B. At this time,
The drive gear 2o on the drive rack 19 moves toward the apparatus main body while rotating together with the drive rack. Among the tray racks 12a meshed with the drive gear 2Q and the rank portion formed on the elevating member 29, the rack of the elevating member 29 The part does not move because the elevating member 29 is locked by the drive control lever 30 so that it cannot slide. Therefore, as the drive rack 19 moves, the drive gear 20 rotates and the tray rack 12? L is pulled toward the main body of the apparatus, that is, the loading tray 12 is pulled in.

In FIG. 3, first, when the loading tray 12 is pulled into the apparatus main body 11, 1. The drive rack 19 is pulled in to the position shown in the figure, and the center shaft 208 of the drive gear 2o
When L pushes the sloped end portion 30C of the drive control lever 3o, the drive control lever is turned clockwise against the biasing spring 31, and the lock portion 30a formed on the drive control lever 30 and the elevating member 29 are rotated. is released, and the lifting member is unlocked. At the same time, a lock portion 30b formed on the drive control lever 3o engages with the tray rack 122L,
Loading tray 12 is locked. In this state, as shown in the front view of FIG. 1, the traverse 21 is not yet in the disc clamp state. That is, the lifting pin 28 at the rotating end of the rotating member 27 on which the traverse 21 is placed has not reached the lifted position because the lifting member 29 has not yet been driven.

Next, FIG. 4, FIG. 5, and FIG. 6 will be explained. When the loading motor 15 further rotates from the state shown in FIG. 3, the driving rack 19 is driven by the reduction gear B18 and the loading tray 12 is locked, so the elevating member 29 is moved by the driving gear 2Q. Driven.

The elevating member 29 moves to a position where the storage detection switch 33 is pressed and stops. That is, in the side view of FIG. 6, as the elevating member 29 moves, the elevating pin 28 at the rotating end of the rotary member 27, which is engaged with the slope portion 29& provided on the elevating member, moves to the slope portion 29&. be lifted up. Fifth
As shown in the front view, the disk 13 is lifted by the turntable 23 and is separated from the loading tray 12. Further, the disk 13 moves to a position where the clamper 32 is lifted up and is clamped, and the clamper 32 separates from the clamper arm 118 and rotates together with the disk 13.

Although the operations from storage of the disk to clamping have been described above, the operation of ejecting the disk is performed in the completely reverse order of storage.

As described above, according to this embodiment, there is provided a cantilever rotating member on which the traverse is placed and held rotatably in the disk surface direction, and a cantilever rotating member that is rotated around the rotation center 9 in the disk surface direction. By providing a lifting member for raising and lowering the clamper, it becomes unnecessary to make the loading tray a double structure and provide a disk holder for raising and lowering the disk, and also eliminates the need for a lifting mechanism for raising and lowering the clamper arm that holds the clamper. The arm portion can be a fixed member.

In this embodiment, the clamper arm 111& is a cantilevered fixing member that is integrated with the device body 11, but in order to further increase the strength of the clamper arm portion, a double-sided fixing member is attached to both ends of the device body. You can also use it as

Effects of the Invention As described above, the present invention includes a cantilever rotating member on which a traverse is placed and is held so as to be rotatable in the direction of the disk surface, and a rotating member that is moved up and down in the direction of the disk surface around the center of rotation. By providing a lifting member to raise and lower the loading tray, it is no longer necessary to install a disk holder for raising and lowering the disk by making the loading tray a double structure, making the loading tray smaller and thinner, increasing its strength, and reducing the number of parts. This eliminates the need for an elevator groove for raising and lowering the clamper arm for holding the clamper, thereby simplifying parts, reducing thickness, increasing strength, and reducing costs.

[Brief explanation of the drawing]

Fig. 1 is a front view of a disc loading device according to an embodiment of the present invention during disc loading, Fig. 2 is a plan view of the loading tray being ejected, and Fig. 3 is a plan view of the disc loading device in an embodiment of the present invention when the loading tray is being ejected. Fig. 4 is a plan view showing the internal components in the state shown in Fig. 3 when the traverse has been raised to the playing state; Fig. 6 is a front view of Fig. 4; FIG. 4 is a side view, FIG. 7 is a front view of a conventional disk loading device during disk loading, and FIG. 8 is a front view showing a playing state in which the disk is clamped after the disk has been stored. 12...Loading tray, 13...Disc, 21...Traverse, 23...Turntable, 2...Rotating member, 29...
- Lifting member, 32... Clamper. Name of agent: Patent attorney Toshio Nakao and 1 other person23
-11 turntable 2ν 2nd rIA Figure 3 Figure 4 Figure 5

Claims (1)

[Claims] a loading tray on which a disk is placed and stored in the apparatus main body; a traverse constituted by an optical pickup and a turntable; a clamper rotatably held by a fixed member for clamping the disk on the turntable; It is characterized by comprising a cantilevered rotating member on which the traverse is placed and held rotatably in the direction of the disk surface, and an elevating member that raises and lowers the rotating member in the direction of the disk surface around the center of rotation. disc loading device.