JP2003077260A - Disk carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk carrying device which makes it possible to provide an operation part operated to start moving a disk tray between a drawn-out position and a storage position to the disk tray and provides an electric detection switch detecting the operation part being operated fixed to a main-body side housing. SOLUTION: A slider 6 is provided in a slidable state to the disk tray 3 and has the operation part 61 which can be operated from the front side of the disk tray 3 on one end side and slides as the operation part 61 is operated. The detection switch 8 is provided fixedly inside the housing 22 and turned on or off through the sliding of the slider 6. A tray driving mechanism 4 provided to the housing 22 drives the disk tray 3 according to the on or off operation of the detection switch 8 so that the disk tray 3 moves between the drawn- out position and storage position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc transfer device having a structure in which a disc is placed and loaded in a disc storage portion of a disc tray.

[0002]

2. Description of the Related Art Conventionally, as a device for recording information on a recording medium such as a video disc and reproducing the information, a device in which a disc is mounted on a disc tray and is loaded in a housing of an apparatus main body has been widely used. There is. As a structure of such a disc tray, a push button for starting the movement of the protrusion base (disc tray) on the front panel, such as the mechanism for moving the protrusion base of the video disc disclosed in Japanese Utility Model Publication No. 1-2478. There is a type in which, without providing an (OPEN / CLOSE button), a movable body provided in front of the protrusion base is pressed to turn on a switch to start the movement of the protrusion base.

FIG. 9 and FIG. 10 show an airframe having such a conventional moving mechanism for a protrusion base, and are perspective views of the whole body.
[Fig. 4] is a cross-sectional view of the front side of the protruding table.

In FIG. 9, a projecting stand 104 for accommodating a magnetic recording medium 103 such as a cassette tape or a disk is provided at an entrance 102 of a body 101 such as an audio device or a video device. The protrusion table 104 is provided by a drive source (not shown) provided inside the machine body 101, and
It is possible to move outward or inward via. A movable body 105 is arranged on the front surface of the protruding table 104.

In FIG. 10, a supporting plate 110 is provided on the front surface of the protruding table 104, and a moving operation start switch 111 for the protruding table 104 is provided on the surface of the supporting plate 110 facing the movable body 105. There is. The movable body 105 has a protrusion 120 for pressing the switch 111.
It is provided at a position corresponding to 1. The movable body 105 can be angularly displaced around the axes of the left and right support shafts 121 (122) provided on the protruding table 104. Movable body 105 and protruding table 1
The left and right springs 123 (124) are interposed between 04, and after the movable body 105 is angularly displaced counterclockwise, the left and right springs 123 (124) can restore the original state. Become.

[0006] In such a conventional machine body 101, when the recording medium 103 is first loaded on the projecting base 104, the movable body 105 is pressed. In this state, the protruding table 104 is retracted into the inlet 102 of the machine body 101, and the movable body 105 has the inlet 102 slightly protruded.
When the movable body 105 is pressed, the movable body 105 moves to the protrusion base 1.
The left and right supporting shafts 121 (122) provided on the shaft 04 are angularly displaced counterclockwise as indicated by an arrow 125.

Therefore, the protrusion 120 presses the switch 111, whereby the protrusion 104 is protruded outward from the inlet 102 by a driving source (not shown) provided inside the machine body. Next, after the recording medium 103 is stored in the protruding table 104, that is, in the state of FIG. 9, the movable body 105 is pressed. As a result, as described above, the switch 111 is turned on again, the power source is rotated in the reverse direction, and the protruding table 104 enters the inlet 102. The above operation is repeated again when the recording medium 103 is ejected.

According to such a conventional moving mechanism of the protrusion base, the movable body 105 provided on the front side of the protrusion base 104 is used as a push button for starting the movement of the protrusion base, and by operating the movable body 105, the protrusion is moved. Since the movement of the platform 104 is started, the operability is high and the user can easily find the push button for starting the movement of the protrusion table as compared with the case where the push button for starting the protrusion table movement is provided on the front panel of the machine body 101.

However, in this case, since an electric switch for detecting the operation of the moving body 105 which is a push button is mounted on the protruding table (disc tray) 104 of the moving body,
A holding member for holding a wire for extending and contracting the electric wire repeatedly by moving the protruding table (disc tray) 104 is required, as well as a wire member for electrically connecting the protruding table 104 and the main board of the main body of the machine body 101. In addition, a countermeasure member for preventing electric leakage due to movement of the electric wire is required, which is extremely disadvantageous in terms of cost, and the reliability of these members must be sufficiently ensured, resulting in an increase in manufacturing cost.

[0010]

In the above-mentioned conventional apparatus, since the electric switch for detecting the operation of the push button is mounted on the disc tray, it is long to electrically connect the disc tray and the body of the machine body. A wire rod made of an electric wire is required, a holding member for holding the electric wire is also required, and a countermeasure member for preventing electric leakage due to movement of the electric wire is required, which increases the manufacturing cost.

According to the present invention, the above-mentioned problems are eliminated, and an operating section for operating the disk tray to start moving between the pull-out position and the storage position is provided on the disk tray, and the operating section is operated. It is an object of the present invention to provide a disk transfer device in which an electrical detection switch for detecting the fact can be fixedly provided in a main body side casing.

[0012]

In order to achieve the above-mentioned object, a disk carrier according to a first aspect of the present invention has a disk accommodating portion for mounting a disk, and an opening provided in a front panel of a casing. A disc tray movably provided between a pull-out position pulled out from the housing and a storage position housed in the housing, and a slidable disk tray provided at one end of the disk tray. A slider is provided that has an operation unit that can be operated from the front side and that is slid by operating this operation unit, and is fixedly provided inside the housing, and is turned on or off by sliding the slider. Based on the detection switch and the on / off operation of the detection switch, the disc tray is moved so as to move the disc tray between the pull-out position and the storage position. A tray drive mechanism for driving the, characterized by comprising a.

According to the structure of claim 1, a slider having an operation portion is slidably provided on the disc tray, and the slider is slidable by a detection switch fixedly provided inside the housing. Since it is turned on or off by means of, the disc tray is provided with an operating portion for operating when the disc tray starts to move between the pull-out position and the storage position, and this operating portion was operated. An electrical detection switch for detecting this can be fixedly provided in the housing on the main body side.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 8 show an embodiment of a disk carrying device according to the present invention. FIG. 1 is a perspective view of an essential part when the disk tray is in a pull-out position, and FIG. 2 is a disk tray storage position. 3 is a perspective view of the entire disk transporting device in the case of FIG. 3, FIG. 3 is a cross-sectional view of an essential part when the disk tray is in the storage position and the pressing portion of the slider is not operated, and FIG. 4 is a perspective view showing the disk tray and tray panel. 5 and 5 are perspective views of the slider and its peripheral portion, FIG. 6 is a cross-sectional view of a main portion when the disc tray is in the storage position and the pressing portion of the slider is operated, and FIG. 7 is the disc tray in the pull-out position. FIG. 8 is a cross-sectional view of the main part when the pressing part of the slider is not operated, and FIG. 8 is a cross-sectional view of the main part when the pressing part of the slider is operated with the disk tray in the pull-out position.

As shown in FIGS. 1 to 3, the disc transfer device 1 includes a disc tray 3, a tray drive mechanism 4, and
The tray panel 5, the slider 6, the detection switch lever 7, and the detection switch 8 are provided.

The disc tray 3 has a disc 10 on one surface.
The housing 2 has a concave dish-shaped disc storage portion 31 on which the
It is provided so as to be movable between a pull-out position pulled out from the housing 22 and a storage position housed in the housing 22 through an opening provided in the front panel 2. In the case of the present embodiment, a magneto-optical digital video disk is used as the disk 10. The disc tray 3 has a tray panel 5 fixedly attached to the front side. Notches 32 and 33 are formed on the left and right sides of the disc tray 3 due to a partially lowered step. Also,
The disc tray 3 is formed with an opening 34 that is long from the center of the disc storage portion 31 toward the rear along the tray center.

The slider 6 is slidably provided on the disc tray 3 and has an operating portion 61 at one end thereof which can be operated from the front side of the disc tray 3.
Slides when is operated.

The detection switch 8 is fixedly provided inside the housing 22, and is turned on or off by sliding the slider 6.

The tray drive mechanism 4 shown in FIG. 3 moves the disc tray 3 so as to move the disc tray 3 between the pull-out position and the storage position based on the ON / OFF operation of the detection switch 8. To drive.

As shown in FIGS. 1 and 3, the tray panel 5 is provided with an opening portion 51 into which the operating portion 61 of the slider 6 is inserted from the rear side.

With such a structure, the slider 6 is
Has one end protruding from the front side of the disc tray 3, and slides inward with respect to the disc tray 3 by pressing the operation portion 61 on one end.

The detection switch 8 is turned on or off by sliding the slider 6 both when the disc tray 3 is in the pull-out position and in the storage position.

As shown in FIGS. 4 and 5, an urging spring 70 is provided between the disc tray 3 and the slider 6, and the urging spring 70 moves the slider 6 to the front side of the disc tray 3. I am biased.

The slider 6 and its peripheral portion will be described in more detail below.

As shown in FIG. 3, the housing 22 is provided with the detection switch lever 7 rotatably around the rotary shaft 73. The detection switch 8 is turned on or off by pressing the pressing portion 81 shown in FIGS. 3 and 5.

As shown in FIGS. 1, 3 and 5, first and second cam shapes 62 and 63 are formed at positions near the one end and the other end of the slider 6, respectively. There is.

When the slider 6 slides backward with the disc tray 3 in the storage position, the sliding portion 71 on one end side of the detection switch lever 7 comes into contact with the first cam shape 62. Sliding and detecting switch lever 7
Rotates counterclockwise around the rotary shaft 73 when viewed from the right side, and the plate-shaped portion 72 on the other end side of the detection switch lever 7 is rotated.
Presses the pressing portion 81 of the detection switch 8.

When the slider 6 slides inward while the disc tray 3 is in the pull-out position, the sliding portion 71 of the detection switch lever 7 shown in FIGS. 3 and 5 becomes the second cam shape 63. When the detection switch lever 7 comes into contact with and slides, the detection switch lever 7 rotates clockwise around the rotary shaft 73 as viewed from the right side, and the plate-shaped portion 72 on the other end side of the detection switch lever 7 presses the detection switch 8. The pressing of the portion 81 is released.

As shown in FIGS. 1 and 2, the exterior of the disc drive device main body 2 in which the disc transporting device 1 is provided is a box-shaped casing 22 having a flat front surface and an opening of the casing 22. The front panel 23 is fitted and fixed to the section. The front panel 23 is formed with a tray inlet / outlet 24 into which the disc tray 3 can be inserted and removed.

The tray inlet / outlet 24 of the front panel 21 is closed by the tray panel 5 with the disc tray 3 inserted in the housing 22.

Next, the structure of the disk carrying device 1 will be described in more detail. As shown in FIG. 3, on the back surface side of the disc tray 3, as in a general disc tray, one side J is engaged with the upper gear 40 of the drive gear 42 of the tray drive mechanism 4 in the front-rear direction. A rack having a shape and a guide groove for guiding the upper gear 40 are formed along the rack, and guide rails (not shown) are formed on both sides in the front-rear direction. The tray drive mechanism 4 is attached to a frame 91 that is built in and fixed in the housing 22.

The frame 91 has a tray drive mechanism 4
In addition, a disk rotation drive mechanism and an optical pickup mechanism (not shown) are provided.

The tray drive mechanism 4 includes a tray drive motor 41 fixed to the front mounting portion 92 of the frame 91, a drive gear 42 rotationally driven in the forward and reverse directions by the tray drive motor 41, and the drive gear 42. A support lever 43 is erected, and a fulcrum shaft 44 erected on the frame 91 in the vicinity of a fixed portion of the tray drive motor 41 is rotatably supported by a gear lever 45. It has a partial gear that meshes with the provided partial gear and is composed of a cam lever and the like (not shown) that moves up and down the disk rotation drive mechanism and the optical pickup mechanism. The drive pulley 46 fixed to the rotary shaft of the tray drive motor 41 is
Via a rubber belt 47, the driven pulley 48 pivotally supported on the fulcrum shaft 44 is connected to be able to transmit power. The rotational force of the driven pulley 48 is transmitted to the drive gear 42 via the intermediate gear 49.

Case 2 of the disk drive device body 2
A detection switch lever 7 is provided on the inner side of 2 near the front panel 23, and a detection switch 8 fixed to the front attachment portion 93 of the frame 91 is provided on the rear side thereof.

The slider 6 is provided on the back surface of the disk tray 3 such that the tip end side is slidable in a direction projecting from the front surface 35 of the disk tray 3 and in a drawing direction.

First and second cam shapes 62 and 63 are formed downward at positions near the one end and the other end of the slider 6, respectively. The first cam shape 62 has a curved surface on the back side. The second cam shape 63 has a curved surface on the front side.

As shown in FIG. 5, a mounting portion 74 to which one end of the biasing spring 70 is mounted is formed on the left side of the middle portion of the slider 71. A mounting portion 36 to which the other end of the biasing spring 70 is mounted is formed closer to the tray panel 5 shown in FIG. 4 than the mounting portion 74 inside the disc tray 3.

The operation of the disk carrying device 1 of such an embodiment will be described below.

First, when the operating portion 61 of the slider 6 is pushed from the state where the disc tray 3 shown in FIG. 3 is in the storage position, the sliding portion 71 of the detection switch lever 7 is moved to the first position.
Of the detection switch lever 7, the detection switch lever 7 rotates counterclockwise (first direction) in the figure, and the plate-shaped portion 72 of the detection switch lever 7 moves as described above. The pressing portion 81 of the detection switch 8 is pressed. This allows
The tray drive motor 41 is activated, the disc tray 3 is moved in the pull-out direction, and the sliding portion 7 of the detection switch lever 7 is moved.
1 moves away from the first cam shape 62, the detection switch lever 7 rotates in the clockwise direction (second direction) in the drawing, and the plate-shaped portion 72 of the detection switch lever 7 is pushed by the pressing portion 81 of the detection switch 8. Get away from. After that, when the disc tray 3 comes close to the pull-out position, the sliding portion 71 on one end side of the detection switch lever 7 comes into contact with the second cam shape 63 and slides, and the detection switch lever 7 moves counterclockwise in the figure. 6, the plate-shaped portion 72 of the detection switch lever 7 pushes the pushing portion 81 of the detection switch 8 as shown in FIG. Disk 1
When the tray drive motor 41 is moved to a position where 0 can be handled, the trayy detection switch is turned on, and the tray drive motor 41
Stops and the disc tray 3 moves to the pull-out position and then stops.

When the disc 10 placed on the disc tray 3 in the pull-out position is taken out, the disc 1 exposed from the notch 32 or 33 of the disc tray 3 shown in FIG.
The outer periphery of 0 and the center hole 11 are taken out by sandwiching them with fingers.

When the disc 10 is placed on the disc tray 3, the disc 10 is also sandwiched by fingers and placed at a predetermined position.

When the operating portion 61 of the slider 6 is pushed from the state where the disc tray 3 shown in FIG. 7 is in the pulled-out position after the handling of the disc 10 is completed, the sliding portion 71 of the detection switch lever 7 is shown. Comes into contact with the second cam shape 63 and slides, the detection switch lever 7 rotates clockwise in the figure, and as shown in FIG.
The plate-shaped part 72 releases the pressing of the pressing part 81 of the detection switch 8. As a result, the tray drive motor 41 rotates in the opposite direction to the above, the disc tray 3 moves to the storage position, the sliding portion 71 of the detection switch lever 7 separates from the second cam shape 63, and the disc tray 3 When the storage of the tray is completed, the tray-in detection switch is turned on and the tray drive motor 41 is stopped.

In these states, the slider 6
Is projected from the opening 51 of the tray panel 5 by the urging force of the urging spring 70 when the operating portion 61 is not pushed.

As described above, according to the present embodiment, the operation portion 61 which is operated when starting the movement of the disc tray 3 between the pull-out position and the storage position.
Is provided on the disc tray 3, and an electrical detection switch 8 for detecting that the operating portion 61 is operated.
Can be fixedly provided in the housing 22 on the main body side, so that it is not necessary to electrically connect the disk tray 3 of the moving body and the main substrate fixed to the main body by an electric wire,
Since the holding member for holding such an electric wire and the countermeasure member for preventing the electric leakage can be deleted, it is very advantageous in terms of cost of the parts, the reliability can be easily ensured, and the manufacturing cost can be reduced.

Further, the existing tray start switch can be used as the detection switch 8 on the fixed side, whereby the development cost of parts can be suppressed.

In the embodiment shown in FIGS. 1 to 8, the detection switch is turned on to move the disc tray from the storage position to the pull-out position, and the detection switch is turned off. Although the disc tray is configured to be moved from the pull-out position to the storage position, the disc tray is moved between the pull-out position and the storage position by only one operation of turning off or turning on the detection switch. It may be configured so as to allow it. 1 to 8 can be applied to various disc media devices for recording and reproducing discs such as a digital video disc reproducing device and a compact disc, and a disc of a personal computer. It may be applied to a disk drive device built in a main body device having other functions such as a drive.

[0048]

According to the present invention, the disc tray is provided with an operating portion for operating when the disc tray starts to move between the pull-out position and the storage position, and the operating portion is operated. Since the electrical detection switch for detecting the fact can be fixedly provided on the main body side casing, it is not necessary to electrically connect the disc tray and the main body by an electric wire, and the manufacturing cost can be reduced. .

[Brief description of drawings]

FIG. 1 is a perspective view of a main part showing an embodiment of a disk carrying device according to the present invention.

FIG. 2 is a perspective view of the entire disc transport device when the disc tray according to the embodiment of FIG. 1 is at a storage position.

FIG. 3 is a cross-sectional view of a main part when the disc tray according to the embodiment of FIG. 1 is in the storage position and the pressing portion of the slider is not operated.

FIG. 4 is a perspective view showing a disc tray and a tray panel of the embodiment of FIG.

5 is a perspective view of the slider and its peripheral portion according to the embodiment of FIG. 1. FIG.

FIG. 6 is a cross-sectional view of a main part when the disc tray according to the embodiment of FIG. 1 is in the storage position and the pressing portion of the slider is operated.

7 is a cross-sectional view of a main part when the disc tray according to the embodiment of FIG. 1 is in a pull-out position and a pressing portion of a slider is not operated.

8 is a cross-sectional view of a main part when the disc tray according to the embodiment of FIG. 1 is in a pull-out position and a pressing portion of a slider is operated.

FIG. 9 is a perspective view of a machine body having a conventional moving mechanism of a protrusion base.

FIG. 10 is a sectional view of a front side of a conventional protruding table.

[Explanation of symbols]

1 Disk carrier 2 Disk drive device body 3 disc tray 4 Tray drive mechanism 5 tray panels 6 slider 7 Detection switch lever 8 detection switch 10 discs 22 housing 23 Front panel 31 Disk storage 61 Operation part

Claims (5)

[Claims] 1. A disk storage portion for mounting a disk, comprising a pull-out position that is pulled out from the housing through an opening provided in a front panel of the housing and a storage position that is stored in the housing. And a disc tray movably provided between the disc tray, and an operation portion that is slidably provided on the disc tray and that can be operated from the front side of the disc tray at one end side, and slides by operating the operation portion. A slider, a detection switch fixedly provided inside the housing, and turned on or off by sliding the slider; and the disc tray, based on an on or off operation of the detection switch. And a tray drive mechanism for driving the disc tray so as to move it between a pull-out position and the storage position. . 2. The detection switch is turned on or off by sliding the slider both when the disc tray is in the pull-out position and in the storage position. The disk transfer device described in 1. 3. The slider according to claim 1, wherein one end of the slider projects from the front side of the disc tray, and the slider slides inward with respect to the disc tray by pressing an operating portion of the one end. The disk transfer device described in 1. 4. A biasing spring is provided between the disc tray and the slider, and the biasing spring biases the slider toward the front side of the disc tray. The disk transfer device described in 1. 5. A detection switch lever is rotatably provided on the housing, and the detection switch is turned on by pressing a pressing portion, and a position near one end of the slider and the other end. First and second cam shapes are formed at the side positions, respectively, and the tray drive mechanism moves to the pull-out position when the detection switch is turned on while the disc tray is in the storage position. To drive the disc tray to drive the disc tray to move to the storage position when the detection switch is turned off in the state where the disc tray is in the pull-out position, When the slider slides in the storage position, one end side of the detection switch lever comes into contact with the first cam shape and slides, When the output switch lever rotates in the first direction, the other end side of the detection switch lever presses the pressing portion of the detection switch, and the slider slides in the state where the disc tray is in the pull-out position, One end side of the detection switch lever comes into contact with and slides on the second cam shape, the detection switch lever rotates in the second direction, and the other end side of the detection switch lever releases the pressing of the pressing portion of the detection switch. The disk transfer device according to any one of claims 1 to 4, wherein: