JPH08190756A - Disk loading device of disk player - Google Patents

Abstract

PURPOSE: To facilitate the loading/unloading operation of a disk by providing holding members so as displaceable on a loading displacement member. CONSTITUTION: The loading displacement member 2 is provided so as to be displaceable between the operational position reproducing a signal recorded on the disk D and the loading/unloading position loading or unloading the disk D. The 1st holding member 3 and the 2nd holding member 5 are mounted on a loading hold member 2 so as to be displaceable between the unholding position displaced upward and the holding position displaced downward and always being energized upward, i.e., in the direction of unholding position, by a coil spring 4. Also, a pair of rotary rollers 10, 11 are provided at both tip parts of a disk housing part so as to abut on a peripheral wall part of the disk D at the time of loading or unloading the disk D.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc mounting apparatus used when a disc is mounted inside a casing constituting a disc player.

[0002]

2. Description of the Related Art Disc players, which read signals recorded on a disc by using an optical pickup, have been widely used. It is configured to be performed by a tray that is displaceable between the mounting position and the mounting position.

[0003]

A disc player configured to carry out a disc loading operation by a tray is constructed so that the disc is placed horizontally on the tray. Further, since the area of the mounting portion of the tray on which the disc is mounted is made larger than the area of the signal surface of the disc, there is a problem that the disc take-out operation cannot be easily performed.

The present invention is intended to provide a disk mounting apparatus which can easily carry out a disk mounting / removing operation.

[0005]

DISCLOSURE OF THE INVENTION A disk mounting apparatus of the present invention is provided so as to be displaceable between an operation position where a reproduction operation of a signal recorded on a disk is carried out and a mounting position where a disk is mounted / dismounted. The mounting displacement member is provided with a disc holding means that is displaceable between a holding position for holding the disc surface and a non-holding position for releasing the disc.

[0006]

According to the present invention, the disc surface is held by the mounting displacement member provided so as to be displaceable between the operating position for reproducing the signal recorded on the disc and the mounting / demounting position for mounting / dismounting the disc. The disk holding means is provided and the holding operation of the disk holding means is controlled to control the disk mounting operation.

[0007]

1 is a side view of an essential part showing a state in which a mounting displacement member constituting the present invention is in a mounting / demounting position, and FIG. 2 is a diagram showing the mounting displacement member constituting the present invention between a mounting / demounting position and an operating position. 5 is a side view of a main portion showing a certain state, FIG. 3 is a side view of the main portion showing a state in which the mounting displacement member constituting the present invention is in an operating position, and FIG. 4 is a plan view in the state shown in FIG. 2 is a plan view in the state shown in FIG. 2, FIG. 6 is a plan view in the state shown in FIG. 3, and FIG. 7 is a plan view showing a state in which a disc mounting / removing operation is being performed.

In FIG. 1, reference numeral 1 is a housing constituting a disc player, and 2 is a mounting / removing position shown in FIG. 1 on a fixed substrate (not shown) provided in the housing 1 and FIG. It is a mounting displacement member provided so as to be displaceable from the operating position, and is configured to be driven and displaced by the rotational force of an electric motor (not shown). A first reference numeral 3 is attached to the mounting displacement member 2 so as to be displaceable between a non-holding position displaced upward and a holding position displaced downward.
It is a holding member, and is constantly urged by a spring 4 (FIG. 4) in the upward direction, that is, in the non-holding position direction. 5 is
A second holding member mounted on the mounting displacement member 2 so as to be displaceable between a non-holding position displaced upward and a holding position displaced downward, and a spring 6 (FIG. 4).
Is always urged upward, that is, toward the non-holding position. Coil springs are used as the springs 4 and 6, and the coil springs are inserted into the cylindrical holes formed in the first holding member 3 and the second holding member 5, so that A mechanism for urging the holding member 3 and the second holding member 5 toward the non-holding position can be configured.

In such a configuration, the first holding member 3
As shown in FIG. 4, the second holding member 5 and the disc D
It is arranged at a position for holding both end faces of the rear part, and its upper face is spherical as shown in FIG. The central portions of the lower surfaces of the first holding member 3 and the second holding member 5 are bulged as shown in FIG. 1 and are made of a flexible member such as felt.

Reference numeral 7 is a guide member disposed above the first holding member 3, and the first holding member 3 is provided.
The upper surface of is pressed by the elastic force of the spring 4, and the pressing surface 8 is formed with a first recess 8a and a second recess 8b. In this way, the guide member 7 is arranged above the first holding member 3,
A guide member (not shown) having the same structure is also arranged above the second holding member 5. In such a configuration, the first concave portion 8a is configured such that the upper surface of the first holding member 3 is fitted when the mounting displacement member 2 is in the attachment / detachment position, and the second concave portion 8b is formed in the mounting displacement position. When the member 2 is in the operating position, the upper surface of the first holding member 3 is related to be fitted.

Reference numeral 9 denotes a disk mounting portion formed on the mounting displacement member 2, and its area is smaller than that of the signal surface of the disk D. 10
Reference numerals 11 and 11 denote first and second rotating rollers rotatably provided at both end portions of the disk housing portion constituting the mounting displacement member 2, respectively, which are attached in the directions of arrows A and B by springs (not shown). It is energized. In addition, in such a configuration, the first rotating roller 10 and the second rotating roller 11 are mounted on the disk mounting portion 9 of the disk D and when the disk D is removed from the disk mounting portion 9. Are abutted against the peripheral wall of the.
Then, when the mounting displacement member 2 is at the attachment / detachment position, as shown in FIG. 1, a part of the mounting displacement member 2 is configured to project to the outside of the housing 1.

The disk mounting apparatus of the present invention is constructed as described above. Next, the operation of such a construction will be described. FIG. 1 shows a state in which the mounting displacement member 2 is in the attachment / detachment position. In such a state, the upper surface of the first holding member 3 mounted on the mounting displacement member 2 has the guide member 7 attached thereto. The first recess 8a formed in the
It is in the state of being inserted into. Therefore, in such a state, the first holding member 3 is displaced by the elastic force of the spring 4 to the non-holding position which is the upper position. Similarly, the second holding member 5 is also fitted in the first recess formed in the guide member, and the second holding member 5 is displaced by the elastic force of the spring 6 to the non-holding position which is the upper position. It is in a confused state.

In this state, when the disc D is inserted into the disc mounting portion 9 formed on the mounting displacement member 2, the first wall is attached to the peripheral wall portion of the disc D as shown in FIG.
The rotating roller 10 and the second rotating roller 11 are in contact with each other. Therefore, the first rotating roller 10 and the second rotating roller 11
Are displaced in the directions of arrows B and A, respectively, against the biasing force of the spring. Therefore, by pressing the disc D in the direction of the arrow C, the disc D can be placed on the disc mounting portion 9.

When the disc D is inserted into the disc mounting portion 9 by pressing it in the direction of the arrow C, the state shown in FIGS. 1 and 4 is obtained. In this state, the rear portion of the disc D is not It is inserted into the gap between the first holding member 3 and the second holding member 5 at the holding position and the disc mounting portion 9.

In this state, when a disc mounting switch (not shown) provided on the disc player is operated, the drive mechanism of the mounting displacement member 2 is put into operation, and the mounting displacement member 2 is moved in the direction of arrow C. Is displaced in the direction of the operating position. FIG. 2 shows a state in which the mounting displacement member 2 is between the attachment / detachment position and the operation position,
When in such a state, the upper surface of the first holding member 3 is
The flat portion formed on the guide member 7 is brought into contact with the flat portion. Therefore, in such a state, the first holding member 3 is displaced to the holding position which is the lower position against the elastic force of the spring 4. Similarly, the upper surface of the second holding member 5 is also in contact with the flat portion formed on the guide member.
The holding member 5 is displaced to the holding position which is the lower position against the elastic force of the spring 6.

Therefore, in such a state, as shown in FIG. 2, the lower surface portion formed on the first holding member 3 comes into contact with the flat surface portion of the disk D, and its contact force. Thus, the disk D will be held. Therefore, when the mounting displacement member 2 is displaced in the operation position direction which is the arrow C direction in such a state, the disc D moves while being held by the first holding member 3 and the second holding member 5. Become.

When the mounting displacement member 2 is displaced in the direction of arrow C and moved to the operating position, the state shown in FIG. 3 is obtained.
In such a state, the upper surface of the first holding member 3 attached to the mounting displacement member 2 is fitted into the second recess 8b formed in the guide member 7. Therefore, when in such a state, the first holding member 3 is
The elastic force of the spring 4 causes the spring 4 to be displaced to the non-holding position which is the upper position. Similarly, the second holding member 5 is also fitted into the second recess 8b formed in the guide member, and the second holding member 5 is moved to the upper holding position, which is the non-holding position, by the elastic force of the spring 6. It will be in a displaced state.

When the mounting displacement member 2 is displaced to the operating position, both the first holding member 3 and the second holding member 5 are displaced to the non-holding position as described above. Therefore, if the disc D is configured to be clamped on the turntable (not shown) by activating the clamp mechanism (not shown) of the disc D when it is displaced to such a position, the rotation of the disc D Drive operation can be performed.

As described above, the mounting operation of the disk D in the operating position is performed, but when the disk D is in the mounted position, the switch (not shown) for ejecting the disk is operated. Then, after the releasing operation of the clamp mechanism is performed, the displacement operation of the mounting displacement member 2 from the operation position to the attachment / detachment position is performed. When such an operation is performed, a displacement control operation between the holding position and the non-holding position of the first holding member 3 and the second holding member 5 attached to the mounting displacement member 2 is performed, and FIG. And the state shown in FIG. Therefore, in the state shown in FIG. 1, the disc D can be taken out by pulling it out in the direction of the arrow D.

FIG. 7 shows a state in which the disc D is being taken out from the disc mounting portion 9, and the peripheral wall portion of the disc D contacts the first rotating roller 10 and the second rotating roller 11. Therefore, the first rotating roller 10 and the second rotating roller 11 are displaced in the directions of arrows B and A, respectively, against the biasing force of the spring. Therefore, when the disc D is pulled in the direction of the arrow D from the state shown in FIG. 7, the disc D can be taken out from the disc mounting portion 9.

As described above, the loading and unloading operations of the disk D according to the present invention are performed, but when the loading displacement member 2 is in the loading / unloading position, a part of the loading displacement member 2 is shown in FIGS. Since the disk D is projected to the outside of the housing 1 as shown in FIG. 5, the disk D can be easily taken out and inserted. Further, according to the present invention, a pair of rollers of a first rotating roller 10 and a second rotating roller 11 are provided at both ends of a disk housing portion which constitutes the mounting displacement member 2,
Since the peripheral wall portion of the disc D contacts the first rotating roller 10 and the second rotating roller 11 when the disc D is attached or detached, when the mounting displacement member 2 is displaced to the attaching or detaching position, the disc D It is possible to prevent popping out.

[0022]

According to the disk mounting apparatus of the present invention, the mounting displacement member is provided so as to be displaceable between the operating position for reproducing the signal recorded on the disk and the mounting / dismounting position for mounting / dismounting the disk. Since the disk holding means provided so as to be displaceable between the holding position for holding the surface of the disk and the non-holding position for releasing the disk is provided, it is possible to accurately perform the displacement holding operation of the disk by the mounting displacement member. I can.

Further, according to the present invention, when the mounting displacement member is at the attaching / detaching position, a part of the mounting displacement member is projected to the outside of the housing, so that the disc taking-out operation and the inserting operation are easily performed. You can Further, according to the present invention, a pair of rotating rollers are provided at both ends of the disk housing portion constituting the mounting displacement member, and the peripheral wall portion of the disk comes into contact with the rotating roller when the disk is attached or detached. It is possible to prevent the disc from popping out when the displacement member is displaced to the attachment / detachment position.

[Brief description of drawings]

FIG. 1 is a side view of an essential part showing a state in which a mounting displacement member constituting the present invention is in a mounting / demounting position.

FIG. 2 is a side view of an essential part showing a state in which a mounting displacement member that constitutes the present invention is between an attachment / detachment position and an operation position.

FIG. 3 is a side view of an essential part showing a state in which a mounting displacement member that constitutes the present invention is in an operating position.

FIG. 4 is a plan view showing a main part in the state shown in FIG.

5 is a plan view showing a main part in the state shown in FIG. 2. FIG.

FIG. 6 is a plan view showing a main part in the state shown in FIG.

FIG. 7 is a plan view showing a state in which a disc attaching / detaching operation is being performed.

[Explanation of symbols]

 2 Mounting Displacement Member 3 First Holding Member 5 Second Holding Member 7 Guide Member 9 Disk Placement Part 10 First Rotating Roller 11 Second Rotating Roller

Claims (3)

[Claims] 1. A holding device for holding a disc surface by a mounting displacement member provided so as to be displaceable between an operation position where a signal recorded on the disc is reproduced and an attachment position where the disc is mounted and demounted. A disc mounting device for a disc player, comprising disc holding means provided so as to be displaceable between a position and a non-holding position for releasing the disc. 2. The disk mounting according to claim 1, wherein a pair of rotating rollers that come into contact with the peripheral wall of the disk at the time of mounting and dismounting the disk are provided at both ends of the disk housing portion that constitutes the mounting displacement member. apparatus. 3. An area of a disk mounting portion provided on the mounting displacement member is made smaller than an area of a signal surface of the disk, and when the mounting displacement member is at a mounting / removing position, a part of the mounting displacement member is The disc mounting apparatus according to claim 1, wherein the disc mounting device is configured so as to protrude to the outside of a casing constituting the disc player.