JPH051015Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention is a disk locking structure for a compact disk tray, more specifically, a tray for storing disks in the shape of a plate in a jacket for a compact disk. The structure of the disk locking part has been improved to improve the function of attaching and detaching the disk and its durability.

(Prior Art) As shown in FIG. 1, the jacket for a compact disk currently in use is such that a compact disk 1 is inserted into a disk-shaped tray 2 for storing the disk, and a hole in the disk 1 is inserted into a tray 2 for storing the disk. After inserting the locking member 3 provided at the center of the tray 2 to lock the disk 1, the two covering pieces 5 and 6 connected to the covering piece 4 bonded to the back surface of the tray 2 are successively folded. It has a structure in which both the front and back sides of the tray 2 are wrapped and covered when folded.

As shown in FIGS. 6 and 7, the structure of the locking member 3 in this tray 2 has conventionally been an annular ring that surrounds a circular hole b provided in the center of the tray a and covers the peripheral part from above. A disk support part c is provided,
By carving a plurality of equally spaced grooves d, d... on the inner peripheral edge, a plurality of centripetal sections e, e... are formed, and each section e is bent upward into a hook shape. It is known to have a shape in which the respective tips are joined together to form an annular protrusion f, and then the circular hole b is closed with a covering piece g lining the tray a, and the whole is made of hard synthetic resin. .

When the disc D is attached to this shaped member, the disc is stably held at the inner peripheral edge of its center hole by the small protrusion h provided on the outer surface of the hook-shaped bent portion of each section e. When removing it, put your finger on the edge of the disc and use your other finger to touch the protrusion f.
The purpose is to release the engagement by the small protrusion h by pressing , thereby facilitating removal.

(Problem to be solved by the invention) However, with this locking member, even if the projection f is pressed when the locking member is disengaged, the engagement of the small projection h is not sufficiently released, and Since the disc depends on the force of the fingertip, there is a disadvantage that the disc is bent and damaged, and each section e... constituting the protrusion f is supported only on the inner peripheral edge of the disc support part c, and Since this functions both to hold and release the disk, the shape of the protrusion f tends to deform due to temperature fluctuations and repeated use, and it tends to lose its elasticity, and even becomes brittle and breaks. There was a problem with durability.

The present invention is a disk locking structure for a compact disk tray that stably holds the disk when it is inserted, and also has excellent functionality that allows it to be removed smoothly without damaging the disk when it is removed. The purpose is to provide excellent durability without impairing functionality during use.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a disk-shaped locking member by penetrating a circular hole in the center of the tray and covering the circular hole on the upper surface of the outer periphery. In the compact disk tray provided, the locking structure is such that the locking member elastically supports the pressing body arranged on the axis of the circular hole at the lower part thereof, and each of the locking members is horizontally moved from the peripheral edge of the locking member. a plurality of support pieces disposed in a centripetal manner that protrude from the rear and are bent upward in a hook shape;
A plurality of free pieces are provided between each support piece and are arranged in a centripetal manner, each of which protrudes from the outer lower part of the pressing body and is bent upward in a hook shape, and each of the support pieces and the free piece The gist of the present invention is that the hook-shaped protruding portion constitutes a cylindrical disk locking portion.

(Example) Next, details of the present invention will be explained based on the example shown in FIGS. 2 to 5.

In the figure, 10 is a compact disk tray, which includes compact disk 1 (fourth,
A circular recess 11 is provided for accommodating the recess (see Fig. 5), and the whole has a dish-like shape. Reference numerals 12 and 13 designate recesses provided at appropriate positions around the recess 11 for resting the fingertips on the periphery of the recess when the disk is removed, and the bottom surface thereof has a curved surface.
14 is a circular hole provided through the tray 10 at the center of the recess 11, and 15 is a recess 11 around the circular hole 14.
This is a locking member provided to cover the circular hole 14. A peripheral edge 16 of the locking member 15 is slightly raised from the bottom surface of the recess 11 to form an annular disk support portion. Reference numeral 17 denotes a pressing body provided on the central axis of the circular hole 14, which has a disk shape as shown in the figure.
There are a plurality of supporting pieces 18 disposed centripetally between the peripheral edge 16 and the pressing body 17, and each supporting piece 18 projects horizontally from the peripheral edge 16 and then hooks upward. It is bent by the mold and continues to the outer lower part 19 of the pressing body 17, and elastically supports the pressing body 17. On the other hand, between each of the supporting pieces 18, there is one or more free pieces in a cantilever shape that protrude horizontally from the outer lower part 19 of the pressing body 17 and then bend upward into a hook shape and stop. 20 and are arranged centripetally as a whole. The hook-shaped rising portions 21 and 22 of each of the supporting pieces 18 and the free piece 20 form a disk-like or cylindrical shape as a whole, and constitute a disk-locking portion. Note that a sliding piece 24 may be provided on the outer lower surface of the hook-shaped rising portion 22 of the free piece 20 and the outer surface of the protruding portion 23 thereof in a vertical direction. Moreover, 25 is a covering piece joined to the back surface of the tray 10.

Next, the operation of this embodiment when the compact disk is attached and detached will be explained. When inserting the compact disc 1 into the disc locking part by pushing around the hole 26, the hook-shaped rising part 22 of the free piece 20 temporarily bends inwardly as well, allowing the disc 1 to pass downward, and this part The inner peripheral edge of the hole 26 of the disk 1 is locked between the upper surface of the circumferential portion 16 and the inner peripheral edge of the hole 26 of the disk 1. on the other hand,
Each support piece 18 of the pressing body 17 presses the disk 1 from the inside of its hole 26 due to the restoring force at each hook-shaped rising portion 21.
The disk 1 is stably held by the locking member 15 by these two actions. When the pressing body 17 is pushed downward when removing the disk 1, the hook-shaped rising portion 22 of the free piece 20 is temporarily bent inward again, and the pressing body 1
7 and push it below disk 1. At this time, each of the supporting pieces 18 of the pressing body 17 connects the peripheral edge 16 and the lower part 19 of the pressing body 17, so they are drawn toward each other in the centripetal direction, and their hook-shaped rising portions 21 are tilt it towards you. As a result, the elastic force applied to the disk 1 is suppressed, and the disk 1 becomes free. At this time, the protruding portion 27 of the support piece 18 from the peripheral edge 16 also descends as the pressure is applied, so the moment the support piece 18 is released from the pressing body 17, this portion also rises rapidly and the spring effect As a result, the disk 1 on the free piece 20 is flipped upward.

In this embodiment, when the sliding piece 24 is provided on the hook-shaped rising portion 22 of the free piece 20, the pressing body 1
The pushing operation in step 7 can be performed even more smoothly.

The locking member in the present invention may be molded integrally with the main body of the tray, or may be molded separately and then combined.Also, although the embodiment shows an even number of support pieces, it can also be used with three or more support pieces. Additions and modifications to the above embodiments can be made without departing from the gist of the present invention, such as an odd number if any.

(Effects of the invention) According to the invention, by pressing the pressing body, the elastic force holding the compact disk can be suppressed and the disk can be taken out using the spring effect, making it easy to attach and detach with one hand. can be,
Furthermore, since it is held stably against external vibrations when mounted, it is particularly useful for use in vehicles.

The disk support part consists of a support piece and a free piece that have separate functions, and the support piece that is pressed is integrated with a pressing body, so it will not deform due to repeated use or changes in temperature. It is highly durable and will not break or break.

[Brief explanation of the drawing]

Figures 1 to 5 all relate to embodiments of the present invention; Figure 1 is a perspective view of a jacket for a compact disk to which the present invention is applied; Figure 2 is a plan view of a tray for storing a disk; FIG. 3 is an enlarged plan view of the locking member in FIG. 2, and FIGS. 4 and 5 show the action of the locking member when attaching and detaching the disk on the end face along the -arrow line and the -arrow line in FIG. 3, respectively. This is an explanatory diagram showing
In each case, a indicates the state when the disk is inserted, b indicates the state when the pressing body is pressed to remove the disk, and c indicates the state after releasing the finger from the pressing body. 6 and 7 relate to a conventional example, FIG. 6 a is a plan view of the tray, b is a longitudinal sectional view of a, and FIG. 7 is an explanatory view showing the action of the locking member from an end face, In each case, a indicates the state at the time of insertion, and b indicates the state at the time of removal. In the diagram 1... Compact disk, 2, 10...
Tray, 14... circular hole, 15... locking member, 16
... Peripheral part, 17 ... Pressing body, 18 ... Support piece,
19... Lower part, 20... Free piece, 21, 22...
It is a hook-shaped rising part.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A compact disk tray in which a circular hole is provided in the center of the tray, and a disc-shaped locking member is provided on the upper surface of the outer circumference of the tray, covering the circular hole. The locking member elastically supports the pressing body disposed on the axis of the circular hole at its lower part, each of which projects horizontally from the peripheral edge of the locking member and then bends upward into a hook shape. and a plurality of centripetally arranged free ribs, each protruding from the outer lower part of the pressing body and bent upward in a hook shape between each supporting piece. A disk locking structure for a compact disk tray, characterized in that a cylindrical disk locking portion is constituted by the hook-shaped rising portions of each support piece and the free piece. 2. Utility model registration claim 1, characterized in that each free piece is provided with a sliding piece between the outer surface of its protruding portion and the outer lower surface of the hook-shaped rising portion.
The disk locking structure of the compact disk tray described in .