JP2516061Y2 - Disc player - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a digital signal for recording, for example, music or video, or to support a recorded disk on a turntable and to record information on both or one side of the disk. The present invention relates to a disc player for reproducing information. Therefore, the disc player referred to in this specification includes a recording-only disc device.

[0002]

2. Description of the Related Art Conventionally, there has been a technique in which a plurality of trays on which discs are placed are stacked and supported, and each tray is selectively taken out to a turntable position.

[0003]

In the above prior art, when a tray is fixedly supported by using a lock member, a release mechanism such as a solenoid needs to be specially provided, which simplifies the tray support structure and reduces the cost. There was a problem that it could not be easily planned.

[0004]

In order to solve the problems] However the present invention is, disk
A tray case that allows you to store the tray on which you place
Loading and loading the tray in and out
In a disc player equipped with a mechanism,
A spring that presses the spring in the opposite direction and a spring that presses the tray in the direction of the spring
When the lock member to be engaged is provided on the tray case,
When entering or leaving the tray,
Push back against the spring to a position where it disengages from the lock member.
Sliding member, a lock member attached to the sliding member and a tray.
After being disengaged from B, mesh with the rack rack gear of the tray.
And a drive gear to allow the loading mechanism to be provided.
It is characterized in that the lock member can be operated.
The drive gear of the loading mechanism is ejected from the tray.
This action is used to train before engaging with the incoming rack gear.
Move b to unlock the tray case
Locks the tray to the tray case with a simple configuration.
And the timing of lock and release can be obtained accurately.
It is one in which the tray fixed and and out operation may cause properly performed.

[0005]

Embodiments of the present invention will be described in detail below with reference to the drawings. 1 is a plan view of the loading mechanism, FIG. 2 is an overall plan view, FIG. 3 is a front view of the same, and FIG. 4 is a side view of the same. The spindle (2) is attached to the front left side of the rectangular box cabinet (1). The door (3) is openable and closable via the door.

In addition, a gantry (4) is provided inside the door (3).
The tray case (5) is installed through the
A small-diameter compact disc of 6 centimeters (6), a compact disc of 12 centimeters in diameter (7), a small-diameter video disc of 20 centimeters in diameter (8),
Disk mounting surface (10) (11) (12) (13) for mounting video disk (9) 30 cm in diameter
And a left rail body (15) fixed to the left side wall of the tray case (5) and a rear rail body (16) fixed to the rear side wall of the tray case (5). A guide body (18) is provided at the corner on the right side of the front portion of the tray case (5) so as to be horizontally rotatable via a support shaft (17), and each rail body (15) (16) and guide body (18) is provided.
, A plurality of sets are arranged in a plurality of stages vertically, and a leaf spring (19) that protrudes inside the rear rail body (16) and presses against the rear surface of the tray (14), the rail bodies (15) (16) and the guide body ( 18), the tray (14) is supported substantially horizontally, and a plurality of trays (14) are stacked and arranged in multiple stages. The front and right sides of the tray case (5) are opened, and the tray case (5) is opened. ), The tray (14) is slidably moved forward or to the right.

Further, the upper and lower interlocking shafts (20a) (20a) extending in the front and rear direction are rotatably supported on the upper and lower surfaces of the cabinet (1) through brackets (20), and each shaft (19) (19). The front and rear timing belts (22) and (22) are stretched at the front and rear ends of the deck chassis via pulleys (21), and the front and rear sides of the deck chassis (23) are fixedly connected to the belts (22) and (22). The deck chassis (23) is installed substantially horizontally on the right side of the tray case (5), and
An elevating motor (2) for selecting the trays (14).
4) and a screw shaft (25) which is normally and reversely rotated by the motor (24) is disposed on a right rear portion of the cabinet (1) via a mounting stand (26), and is substantially vertically erected. 25) Insert the deck chassis (2) into the screw groove (27).
3) The engagement pin (28) is engaged, and the screw shaft (2) is engaged.
The deck chassis (23) is vertically moved up and down via the respective belts (22) and (22) by the forward / reverse rotation of 5).

A reproduction deck (29) is mounted on the deck chassis (23), and a turntable (31) rotated by a motor (30) and a turntable (31) via a chuck arm (32). ) And a pickup plate (3)
4) attached to the pickup stand (36) which is self-propelled by the motor (35), rails (37) (37) and rack gears (38) which guide the pickup stand (36) to move.
Upper and lower pickup guide chassis (3) provided with (38)
9) The pickup table (36) is rotated by the motor (40) and the pickup table (36) to each guide chassis (39).
A disc (9) provided on the reproduction deck (29) with a turn carriage (41) to be transferred to the turntable (31) by a chuck plate (33);
Is rotated, and information on the disk (9) is read by a pickup (34) that moves the disk (9) up and down.

Further, a loading gear (42) for moving the tray (14) into and out of a standby position inside the tray case (5) or a reproducing position of the turntable (31), and a loading motor for driving the loading gear (42). (43) and the sliding body (44) are provided in the loading mechanism (45), and the loading mechanism (4)
5) is arranged on the front upper surface of the deck chassis (23), and the spindle (46) (46) is attached to the deck chassis (23).
The slide body (44) is slidably attached in the left-right direction via the long holes (47) and (47), and the loading gear (42) is attached via the pinion gear (48) and the rack gear (49).
The sliding body (44) is connected to the loading motor (4)
3) output gear (50) and ring gear (51)
Via the support shaft (52) through the loading gear (4
It is configured such that the sliding body (44) is reciprocally moved by reversing 2).

A drive gear (54) meshed with the rack rack gear (53) on the lower surface of the tray (14),
An input gear (56) constantly connected to the drive gear (54) via an idle gear (55), and a tray (14).
Lower entrance / exit guide surface (57) and entrance / exit guide groove (58)
(59) (59) (6)
0) and are provided on the left side of the sliding body (44),
A tray access gear (61), (62), (63) for connecting the input gear (56) to the loading gear (42) is provided on the deck chassis (23), the sliding body (44) moves leftward, and the input / output rack gear ( 53) and drive gear (5
4) when the meshing is started, the input gear (56) meshes with the tray loading / unloading gear (63), and the loading gear (42) drives the drive gear (54) to move the tray (14).
Is moved from the tray case (5) toward the turntable (31).

Further, a ridge (64) is formed integrally with the guide body (18) which is a lock member for fixing and supporting the tray (14) to the tray case (5).
4) A leaf spring (66) for engaging and supporting the ridge (64) is provided in the front notch (65), and the tray (14) is elastically pressed by the leaf spring (19) from the rear side, and the guide body (1) is pressed.
8) is pressed from the front side by a leaf spring (66), and the tray (1) is engaged by engagement of the ridge (64) and the notch (65).
4) is fixed to the tray case (5).

Further, a slope (67) is formed at the right end of the access guide surface (57), and the sliding member (44), which is a loading member for allowing the tray (14) to enter and exit the tray case (5), is moved to the left. By moving the sliding body (44) toward the tray (14), the leading sliding contact (59) of the sliding body (44) comes into contact with the slope (67), and the sliding body (44) moves to the left. The tray (14) is slid backward by the force against the leaf spring (19), and the guide body (1) is moved.
8) the notch (6) of the tray (14) with respect to the ridge (64).
5) are separated from each other, and the guide body (18) as a lock member and the tray (14) are separated from each other.

Then, as shown in FIG. 5 and FIG. 6, the gears (50) (5
1) Sliding body (44) via (42) (48) (49)
Is moved to the left, the leading sliding contact (59) comes into contact with the slope (67), and the tray (14) is moved to the leaf spring (1).
9), the guide body (18) and the tray (14) are unlocked, and the drive gear (54) meshes with the input / output rack gear (53), and each gear is driven by the loading motor (43). (50) (51)
(42) (61) (62) (63) (56) (55)
The tray (14) is moved to the right through (54) and (53), and the tray (14) at the standby position of the tray case (5) is turned by the guide of the rear rail body (16) and the guide body (18). The table (31) and the chuck plate (33) are taken out to the reproducing position, and the tray (14) at the reproducing position is returned to the standby position by rotating the loading motor (43) in the reverse direction to perform the operation reverse to the above. , Guide body (1
The tray case (5) is fixedly supported again via the above (8).

As shown in FIG. 2, a power transformer (68)
The rear space of the cabinet (1) formed by the depth dimension difference between the tray case (5) and the reproduction deck (29) by arranging an electric circuit (69) including the above on the rear side of the tray case (5). Can be effectively used, and the power transformer (68) and the screw shaft (25), which are heavy objects, are distributed to the left and right to maintain the left-right weight balance, and as shown in FIG. When the deck chassis (23) is lowered to a standby position lower than the position facing the lowermost tray (14), the switch (7) is operated by the chassis (23).
0) is actuated to stop the elevating motor (24), always keep the chassis (23) in the standby position in the power-off state, and stably support the heavy deck chassis (23) in the low position; The power is turned on while the playback deck (29) is always kept at a substantially constant position, and the tray (1) is turned on.
Operations such as selection of 4) and reproduction of the disc (9) can be performed in the shortest time.

[0015]

As is apparent from the above embodiments, the present invention stores the tray (14) on which the disc is placed so that it can be freely inserted and removed.
A tray case (5) for
A loading mechanism (45) for moving in and out (14) is provided.
In a disc player, set the tray (14) in one direction.
Spring (19) for elastically pressing the spring (19) and the elastic pressure direction of the spring (19)
Locking member for elastically engaging the tray (14) in the opposite direction to
(18) and are provided in the tray case (5), and
B When entering or exiting, enter the inside of the tray case (5) and
(14) to the position where the engagement with the lock member (18) is released.
A sliding body (44) that pushes back against a spring (19),
The lock member (18) and the tray attached to the moving body (44)
After disengagement from (14), tray (14) loading / unloading
And a drive gear (54) that meshes with the gear (53)
Is provided in the loading mechanism (45).
Loading without operating the lock member (18)
The drive gear (54) of the mechanism (45) is attached to the tray (14).
This operation before engaging with the rack gear (53)
Use this tray case to move the tray (14)
Since the lock for (5) is released, the tray (14)
Can be locked to the tray case (5) with a simple structure.
In addition, the timing of locking and releasing can be properly obtained, and the tray 14 can be properly fixed and moved in and out.

[Brief description of drawings]

FIG. 1 is a plan view of a loading mechanism.

FIG. 2 is an overall plan view.

FIG. 3 is a front view of the same.

FIG. 4 is a side view of the same.

FIG. 5 is a tray support explanatory diagram.

FIG. 6 is an operation explanatory view of FIG. 1.

[Explanation of symbols]

 (5) Tray case (9) Disc (14) Tray (18) Guide body (lock member) (44) Sliding body (loading member)

Claims (1)

(57) [Scope of utility model registration request] 1. A tray (14) for loading and unloading a disc.
With a tray case (5) that can be stored freely,
Loading mechanism (4) for loading and unloading the tray (14)
In the disc player provided with 5), the tray (1
4) a spring (19) that presses the spring (1) in one direction, and the spring (1)
9) The tray (14) is elastically engaged in the direction opposite to that of (9).
And a lock member (18) for locking the tray case (5)
The tray case (5) when moving in and out.
Insert the tray (14) into engagement with the locking member (18).
To the disengaged position, the sliding body (4
4) and a log member (1) attached to the sliding body (44).
After the disengagement of 8) and the tray (14),
Dry to engage with the rack gear (53) of (14)
A gear (54) is attached to the loading mechanism (45).
Disc player, wherein the digit.