JP3536912B2 - Disk unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk drive in which a pickup mechanism does not interfere with electric components on a substrate when the pickup mechanism moves a slide tray provided on a lower surface in parallel.

[0002]

2. Description of the Related Art In a conventional disk drive, as shown in FIG. 2, a pickup tray 102 provided on a lower surface of a slide tray 101 is lowered and a slide tray 1 is moved downward.
When the 01 is moved in the direction of the arrow, there is a problem that the pickup mechanism 102 may hit the electric component 104 provided on the upper surface of the substrate 103.

[0003] Japanese Patent Application Laid-Open No. 6-103675 describes a drive mechanism of a disk changer device. As shown in FIGS. 3A, 3B, 3C, and 3D, a disk reproducing mechanism 207 for reproducing a selected one of a plurality of disks placed on the rotary tray 203 and a rotary tray A drive gear 227 rotated by a drive motor 222; and a drive gear 2 coaxial with the drive gear 227.
27, a swing lever 229 swinging about the axis of the drive gear 227, a selection drive gear 228 supported by the swing lever 229 and meshing with the drive gear 227, and one end of the disc reproducing mechanism 207 are engaged. Groove 2 in which a pin 232 projecting from the cam end 217 and the swing lever 229 is engaged.
37 and a gear portion 235 meshed with the selection drive gear 228
And a cam member 216 having the same.

However, in this case, the lifting and lowering of the disk reproducing mechanism 207 is performed at the time of reproducing the disk, and is not performed when the rotary tray 203 is pulled out.
There is a problem that the disk reproducing mechanism 207 sometimes hits an electric component on a substrate disposed below when the player pulls out the disk 3.

[0005]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and can raise a pickup mechanism provided on a slide tray when the slide tray is pulled out or withdrawn. Provided is a disk device capable of safely performing a pull-out / pull-out operation of a slide tray without causing a pick-up mechanism to hit an electric component on a substrate and interfering with the electric component on the substrate, and further increasing a space for placing the electric component on the substrate. It is an object.

[0006]

Means for Solving the Problems The present invention has been proposed to solve the above-mentioned problems, and the invention according to claim 1 is provided above a substrate provided with a plurality of electric components on an upper surface. When the pickup mechanism translates the slide tray provided on the lower surface, so that the pickup mechanism does not interfere with each electric component on the substrate,
The pickup mechanism is configured to be lifted by a lifting operation mechanism so as to be horizontally oriented, and the lifting operation mechanism includes a support member that pivotally supports the pickup mechanism vertically on the lower surface side of the slide tray. A rack provided on the side surface of the pickup mechanism in an up-down direction, a drive motor provided on the slide tray, meshing with the rack, a shaft portion provided in a horizontal direction, and rotated forward and reverse by the drive motor. When the slide tray is moved in parallel, the pinion is rotated by the rotation of the drive motor, and the rack meshing with the pinion is moved up and down to be pivotally supported by the support member. By rotating the pickup mechanism, the downwardly protruding portion of the pickup mechanism is raised and horizontally moved. As, the pickup mechanism is characterized by being configured so as not to interfere with the respective electrical components on the substrate.

[0007] By providing a rack which is generally provided in a horizontal direction in the vertical direction, and by providing a shaft portion of a pinion which is generally provided in a vertical direction in a horizontal direction,
The downwardly protruding portion of the pickup mechanism pivotally supported by the support member can be raised to be horizontally oriented, and thus the configuration of the rack and the pinion can simplify the lifting operation mechanism.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a disk drive according to the present invention will be described below with reference to the drawings. FIG.
Indicates a main part of the disk device of the embodiment of the present invention,
FIG. 3A is a partial front view showing a state before a pickup mechanism provided on a slide tray is raised, and FIG. 3B is a partial front view showing a state where the pickup mechanism is raised when the slide tray is pulled out.

FIG. 1A shows a disk device according to this embodiment.
As shown in (b), a slide tray 4 having a pickup mechanism 3 provided on a lower surface is disposed below a substrate 2 provided with a plurality of electric components 1 on the upper surface, and the slide tray 4 is moved in parallel. When you pick up, 3
The pickup mechanism 3 is configured to be raised by a lifting operation mechanism 5 so that the pickup mechanism 3 is horizontally oriented so that the pickup mechanism 3 does not interfere with the electric components 1 on the substrate 2. The lifting operation mechanism 5 includes a support member 51 for pivotally supporting the pickup mechanism 3 on the lower surface side of the slide tray 4 so as to be vertically rotatable, and a rack 5 provided on a side surface of the pickup mechanism 3.
2, a drive motor 53 provided on the slide tray 4, and a pinion 54 provided on the rotation shaft of the drive motor 53 and meshing with the rack 52 and rotated forward and reverse by the drive motor 53.
It is composed of

When the slide tray 4 is moved in parallel, the drive motor 53 is rotated in the state shown in FIG. 1A, and the pinion 54 is rotated by the rotation of the drive motor 53. Interlocking rack 5
1B by moving the pickup mechanism 3 up and down to rotate the pickup mechanism 3 pivotally supported by the support member 51. FIG.
As shown in FIG.
The pickup mechanism 3 is raised so as to be oriented horizontally so that the pickup mechanism 3 does not interfere with the electric components 1 on the substrate 2.

According to the disk device of the present embodiment, as described above, when the slide tray 4 is translated,
The downwardly protruding portion 31 of the pickup mechanism 3 is moved upward by a raising operation mechanism 5 including a support member 51, a rack 52, a drive motor 53, and a pinion 54 so that the pickup mechanism 3 is horizontally oriented. Since it does not interfere with the component 1, the pickup mechanism 3 provided on the slide tray 4 can be raised when the slide tray 4 is pulled out or withdrawn. Therefore, the slide tray 4 can be safely pulled out and pulled in without interfering without hitting each of the electrical components 1. In addition, the space for placing the electric component 2 on the substrate 1 can be widened.

The lifting mechanism 5 rotates the pick-up mechanism 3 supported by the support member 51 by rotating a drive motor 53 to rotate a pinion 54 provided on the rotation shaft of the drive motor 53. The rack 52 on the side of the pickup mechanism 3 is moved up and down to rotate the pickup mechanism 3 so that the downwardly protruding portion 31 of the pickup mechanism 3 is raised to be horizontal, so that the structure is simple and the pickup mechanism is simple. 3 can be reliably oriented horizontally.

[0013]

As described above, according to the first aspect of the present invention, a pickup tray is disposed above a substrate provided with a plurality of electric components on the upper surface, and a pickup mechanism is moved in parallel on a slide tray provided on the lower surface. In order to prevent the pickup mechanism from interfering with each of the electric components on the substrate, the pickup mechanism is configured to be raised by the lifting operation mechanism so as to be horizontally oriented, so that the slide tray is moved in parallel. When the slide tray is pulled out or pulled in by the lifting operation mechanism, the pickup mechanism provided on the slide tray can be raised, and the pickup mechanism does not hit each electric component on the board. The slide tray can be safely pulled out and pulled in without interference, and An effect that can widen the space for the electrical components.

According to a second aspect of the present invention, the lifting operation mechanism comprises: a support member for pivotally supporting the pickup mechanism on the lower surface side of the slide tray so as to be vertically rotatable; a rack provided on a side surface of the pickup mechanism; And a pinion that meshes with the rack and is rotated forward and reverse by the drive motor. When the slide tray is moved in parallel, the rotation of the drive motor rotates the pinion, and the rack meshes with the pinion. Is moved up and down to rotate the pickup mechanism pivotally supported by the support member, so that the downwardly protruding portion of the pickup mechanism is moved upward to be horizontal and the pickup mechanism does not interfere with each electric component on the substrate. The structure is simple, and the pickup mechanism is oriented horizontally. It can be.

[Brief description of the drawings]

FIGS. 1A and 1B show a main part of a disk device according to an embodiment of the present invention, wherein FIG. 1A is a partial front view showing a state before a pickup mechanism provided on a slide tray is raised, and FIG. It is a partial front view showing the state where the pickup mechanism was raised at the time.

FIG. 2 is a partial front view showing a conventional disk device.

3A and 3B show a drive mechanism of a conventional disk changer device, wherein FIG. 3A is a plan view thereof, FIG. 3B is a partial sectional side view thereof, and FIG. 3C is a plan view seen from the X direction of FIG. Figure,
(D) is a plan view showing a state where the drive motor in (c) is rotated in the direction of arrow A.

[Explanation of symbols]

1 Electric parts 2 substrate 3 Pickup mechanism 4 slide tray 5 Ascent mechanism 51 Supporting member 52 racks 53 drive motor 54 Pinion

Claims (1)

(57) [Claims] 1. A pickup mechanism arranged above a substrate provided with a plurality of electric components on an upper surface thereof, wherein when the pickup mechanism moves in parallel a slide tray provided on the lower surface, the pickup mechanism is provided with each electric component on the substrate. In order not to interfere with the pickup mechanism, the pickup mechanism is configured to be raised by a lifting operation mechanism so as to be horizontally oriented, and the lifting operation mechanism moves a portion near an end of the pickup mechanism on a lower surface side of the slide tray. a support member for vertically rotatably pivoted, the support member in the pickup mechanism
Up and down on the side of the end near the pivoted point
A rack provided Te, a drive motor provided in the slide tray, it has if chewing on the rack, provided on the shaft portion horizontally oriented
And a pinion that is rotated forward and reverse by the drive motor. When the slide tray is moved in parallel, the drive motor rotates to rotate the pinion, and the rack that meshes with the pinion moves up and down. Then, by rotating the pickup mechanism pivotally supported by the support member, the downwardly protruding portion of the pickup mechanism is moved upward to be oriented horizontally so that the pickup mechanism does not interfere with each electric component on the substrate. A disk device characterized by having a configuration as described above.