JPH0222862Y2 - - Google Patents

Description

[Detailed description of the invention] [Technical field] The present invention is a tray case for compact disks, which has a locking lid at one end of the front opening of a multi-stage tray case that accommodates a plurality of compact disks to prevent the trays from falling off. This invention relates to a locking lid opening/closing device.

[Prior art]

As shown in FIG. 1, the opening/closing lid of a conventional multi-stage tray case covers the entire surface of the front opening of the tray case 1 in the direction of the arrow by means of lids 2 rotatably attached to both sides of the tray case 1. When the tray case 1 is being carried or stored, the lid 2 is closed to prevent the tray 3 on which a compact disk is placed inside the tray case 1 from falling out of the tray case 1. The lid 2 was opened when it was installed in the set 4. However, according to the above method, the tray case 1 cannot be set 4.
When the tray case 1 is taken out from the tray, if the front opening of the tray case 1 is turned down with the lid 2 open, the entire tray 3 will fall out.

[Purpose of invention]

This invention solves the above-mentioned drawbacks; when a tray case is attached to a set, the locking lid automatically opens, and when the tray case is removed from the set, the locking lid automatically closes and the tray case is removed from the tray case. To provide an automatic locking lid opening/closing device for a tray case which prevents a tray from falling off.

[Summary of the idea]

In order to achieve the above object, in the locking lid opening/closing device for a compact disc tray case according to the present invention, a tray case is placed on one side of the front opening of a multi-stage tray case for storing a compact disc tray. A locking lid that locks the tray from being removed is rotatably mounted, and a spring biased in the direction of closing the front opening of the tray case is interposed in the locking lid. On the bottom side, a lock pin is provided adjacent to the locking lid to release the clock that locks the locking lid. In addition, on the floor of the elevator for loading the tray case, a guide part is provided on the floor to guide the lock pin and release the lock from the locking lid, and on the wall surface of the elevator, a guide part is provided for guiding the lock pin and releasing the lock from the locking lid. A protrusion is formed that presses the force point of the locking lid and rotates the locking lid in the direction of opening. The front opening of the tray case can be automatically opened and closed by the cooperation of the spring-biased locking lid, the lock pin, the guide part on the elevator side, and the protrusion.

[Example of idea]

Preferred embodiments of the present invention will be described below with reference to the drawings.

A compact disc player main body 12, an elevator 13, and a carrier 14 are arranged adjacent to each other on a machine base 11. The elevator 13 has a tray case 1.
5 is mounted so that it can be moved up and down on the machine base 11. The tray case 15 is formed in a multi-stage shape, and accommodates a plurality of trays 16, 16 on which compact disks (not shown) are placed. Front opening 15a of tray case 15
One side is cut out in an L-shape to form a notch 15b, and the elevator 13 is installed in this notch 15b.
Lid support portions 17a and 17b are provided to protrude toward the side wall 13a. An L-shaped locking lid 19 is attached to the bent portion 1 of the lid supporting portions 17a and 17b via a shaft 18.
Front opening 1 of tray case 15 with 9a and 19b
5a is rotatably supported in the direction of opening and closing. A spring 20 is interposed between the lid support parts 17a, 17b and the locking lid 19. This spring 20 is arranged such that the locking lid 19 is attached to the front opening 15a of the tray case 15.
is elastically biased in the direction of closing. Locking lid 1
9 is a force point portion 19c pressed by the elevator 13;
and an action part 19d that rotates in a direction away from the front opening 15a of the tray case 15 via the shaft 18 by the pressed force point part 19c.

A lock mechanism accommodating portion 15c is formed at the bottom of the tray case 15 at a position adjacent to the force point portion 19c of the locking lid 19.
A locking mechanism 21 for locking and unlocking the locking lid 19 is disposed therein. This lock mechanism 21 includes a wedge 22 formed with an inclined surface 22a, a rod 24 connected to one side of this wedge 22 and around which a spring 23 is wound, and a wedge 22.
It consists of a rod 24 and a lock pin 25 coaxially connected on the other side. Then, the lock pin 25 is inserted through the through hole 15d formed on the side of the tray case 15 and inserted into the perforation hole 19e formed at the force point portion 19c of the locking lid 19. rod 2
4 is a drilling hole 15e formed in the tray case 15.
The locking mechanism 21 is inserted into the drilled hole 15.
d and 15d, and is movable in the direction of arrow A-B.

On the other hand, on the elevator 13 side, a guide member 26, a case guide member 13c, and a projection 27 are arranged on the floor 13b. Case guide member 13
c is guided by a guide groove 15f formed on the lower surface of the tray case 15. The guide member 26 has an inclined surface 26a on one side thereof.
6a is the inclined surface 2 of the wedge 22 on the side of the lock mechanism 21
2a and presses the wedge 22 in the direction of arrow A. In addition, the protrusion 27
is protrudingly provided at a position where it can press the force point portion 19c of the locking lid 19. Note that the start portion 26b of the inclined portion of the guide member 26 is set longer than the protrusion length of the protrusion 27.

Next, the operation of the first embodiment of the present invention constructed as described above will be explained. A tray case 15 in which the trays 16, 16 are housed in advance and the front opening 15a is closed with a locking lid 19,
The force point portion 19c of the locking lid 19 is connected to the side wall 1 of the elevator 13.
It is mounted on the elevator 13 in a relationship facing the protrusion 27 of 3b and moved toward the protrusion 27 side. As the tray case 15 moves, the inclined surface 22a of the wedge 22 constituting the locking mechanism 21 moves into the elevator 13.
The guide member 26 contacts the inclined surface 26a of the guide member 26 of the floor portion 13b. When the tray case 15 is moved as it is, the guide member 26 first moves the wedge 22 in the direction of arrow A against the elastic force of the spring 23, and at the same time the lock pin 25 and rod 24 connected to the wedge 22 move in the direction of arrow A. move in the direction. and,
When the lock pin 25 is removed from the drilled hole 19e,
The locking of the locking lid 19 by the locking pin 25 is released. Next, when the tray case 15 is further moved in this state, the protrusion 27 on the side wall 13b of the elevator 13 comes into contact with the force point part 19c of the locking lid 19, and then pushes the force point part 19c against the elastic force of the spring 20. It enters the notch 15b of the tray case 15 while pressing it. The locking lid 19 is closed by pressing the force point 19c.
is rotated around the shaft 18 in the direction of the arrow, and the operating portion 1
Front opening 15a of tray case 15 by 9d
The lock is released, and preparations for transferring the trays 16, 16 to the compact disc player main body 12 are completed.

Next, when the tray case 15 is moved to take it out from the elevator 13, the force point 1 of the locking lid 19
The tray case 15 comes off from the protrusion 27 that has entered between the notch 15b of the tray case 15 and the locking lid 19, and the locking lid 19 is moved to the shaft 18 by the elastic force of the spring 20.
The operating portion 19d locks the front opening 15a of the tray case 15. Then,
When the wedge 22 of the locking mechanism 21 separates from the guide member 26, the lock pin 25 moves in the direction of arrow B due to the elastic force of the spring 23 and is pushed into the perforation hole 19e of the locking lid 19, and the locking pin 25 locks the locking lid. 19 locks are completed.

A second embodiment of the present invention is shown in FIGS. 7 and 8. This embodiment differs from the first embodiment in that the locking and unlocking of the locking lid 19 by the locking pin 25 is performed by a guide pin 29 implanted in the bottom of the holding part 28 that constitutes the locking mechanism 21. The guide groove 30 is formed by being bent near the protrusion 27, and the guide pin 29 is formed in the bent portion 30a.
When the lock pin 25 is guided, the lock pin 25 is moved in the direction of the arrow A-B. At this time, the tip 27a of the projection 27 is closer to the side wall 13b of the elevator 13 than the terminal end 30b of the bent portion 30a. In this embodiment, the guide groove 30 is formed from the front of the elevator 13. Note that other configurations and operations are similar to those of the first embodiment, so the same reference numerals are used and detailed explanations are omitted.

[Effect of idea]

As explained above, when using the compact disk tray case locking lid opening/closing device of the present invention, the tray case locking lid can be automatically opened and closed simply by attaching the tray case to the elevator or removing it from the elevator. can do. Furthermore, since the locking lid is automatically locked when the tray case is taken out, a situation in which the tray falls off from the tray case when the tray case is carried can be avoided.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a conventional multi-stage tray case opening/closing lid device, FIG. 2 is an overall front view of a compact disc player to which the compact disc tray case locking lid opening/closing device of the present invention is applied, and FIG.
The figure is a partial perspective view of the first embodiment of the device of the present invention, FIG. 4 is an enlarged cross-sectional view of the locking mechanism in the first embodiment of the device of the present invention, and FIG. 5 is the first embodiment of the present invention. FIG. 6 is an overall perspective view of the device; FIG. 6 is a plan view of the operating state of the device according to the first embodiment of the present invention; FIG. 7 is an enlarged vertical sectional view of the locking mechanism in the second embodiment of the device; FIG. The figure is a partial plan view of the floor section on the elevator side in the second embodiment of the present invention. 13... Elevator, 15... Tray case, 16
... Tray, 17 ... Lid support section, 18 ... Shaft, 1
9... Locking lid, 19c... Power point part, 20, 23...
...Spring, 21...Lock mechanism, 22...Wedge,
24...rod, 25...lock pin, 26...
Guide member, 27... protrusion, 29... guide pin, 30... guide groove.

Claims (1)

[Scope of utility model registration request] The tray is rotatably pivoted to one side of a front opening of a multi-stage tray case that stores trays for compact disks, and is spring-biased in a direction to close the front opening to engage the tray. a locking lid that locks the tray case; a locking mechanism that is disposed adjacent to the locking lid on the bottom side of the tray case and is removable from the locking lid; a guide portion disposed on the elevator side for guiding the lock mechanism and releasing the lock on the locking lid; and a guide portion provided on the elevator side for pressing the force point portion of the locking lid against the front opening. A locking lid opening/closing device for a tray case for a compact disk, characterized in that the locking lid opening/closing device for a compact disk tray case is comprised of a protrusion that rotates the locking lid in the direction of opening.