KR100294185B1 - Adapter for receiving small-sized disk - Google Patents

Abstract

PURPOSE: An adapter for receiving a small-sized disk is provided to be mounted in a cartridge where a 12cm disk is received, to receive disks with different sizes in the one cartridge, and to improve a cartridge compatibility. CONSTITUTION: An adapter(30) coupled with the first semicircular plate(32) has the second semicircular plate(34). The second semicircular plate(34) forms a circular hole for receiving a small-diameter disk(D). One end of the first semicircular plate(32) is coupled with the second semicircular plate(34) at a 180-degree rotation by a hinge pin(36). A hooking end(32a) and a hooking groove(34a) are formed between the first and the second semicircular plates(32, 34). On an outer circumference of the adapter(30), a movement prevention unit is set. The movement prevention unit is a tension projector(38) for closely adhering the adapter(30) to an inner wall of the cartridge. The tension projector(38) is projected on external circumferences of the first and the second semicircular plates(32, 34). Detachment prevention units are upper/lower supports(40, 42) projected on inner circumferences of the first and the second semicircular plates(32, 34) formed with a circular hole.

Description

Adapter for small disk storing

The present invention relates to an adapter for receiving a small disk, and more particularly, an adapter in which a small disk having a diameter of 12 cm or less is accommodated in an adapter manufactured in the same size as a disk having a diameter of 12 cm. It relates to a small disk storage adapter.

In general, by storing a disk (D) divided into a hub area where no information is recorded and a data area capable of recording and reproducing information, to prevent dust, fingerprints, or scratches on the surface of the disk, to obtain desired information without errors. Conventional cartridges for recording and protecting the recorded information, as shown in Figure 1, the upper portion 12 and the lower plate 14, which is molded of synthetic resin, etc. are combined to have a rotation space, the cartridge 10 is configured To the rear side of the cartridge 10, the cover 16 is pivotally hinged to prevent the detachment of the 12 cm disk D mounted into the rotating space.

Openings for recording and / or reproducing information are formed in the upper and lower plates 12 and 14 by exposing a data area including a hub area of the disk to the optical pickup device, and at the rear edge of the lower plate 14. Positioning holes 14a are formed to penetrate the positioning pins provided in the apparatus when the cartridge 10 is inserted into the recording / playback apparatus.

On one side of the positioning hole 14a, a terminal hole (not shown) is formed to insert a switch terminal of a recording / playback apparatus for determining whether or not to record information on a disk, and a shutter opening / closing member on the front side of the cartridge 10. The shutter 18 is mounted to open in one direction by (not shown).

In the conventional cartridge configured as described above, a tray having a diameter of 12 cm is accommodated in a rotation space of the cartridge 10, and then the tray 10 capable of taking out and / or retracting the cartridge 10 forward and inward with respect to the recording / playback apparatus (not shown). When it is seated on the sheet, the sheet is inserted into the recording and reproducing apparatus, and the shutter 18 mounted on the cartridge 10 is brought into contact with one end of the shutter opening and closing member and moved in one direction by the input of the tray. The hub area where no information is recorded is brought into close contact with the rotating means which rotates at a speed capable of recording or reproducing.

Thereafter, the optical pickup device radiated a semiconductor laser beam in the data area while linearly reciprocating in the radial direction of the data area rotated by the rotating means to record or reproduce information in / from the area.

However, in the conventional cartridge configured as described above, since only a disc having a diameter of 12 cm is manufactured to be accommodated, the disc of 8 cm cannot be seated on a tray after being accommodated in the cartridge, as well as a disc of 12 cm and 8 cm. There was a disadvantage that can not be stored in the cartridge for use.

In order to solve the above disadvantages, there is a problem in that the economic cost is increased by providing a separate cartridge for accommodating an 8 cm disc or by changing the structure of the recording and reproducing apparatus.

The present invention is to solve the above problems, an object of the present invention is to accommodate a disc of different sizes in one cartridge by mounting the adapter in which the small disk is accommodated in the cartridge in which the disc of 12cm is accommodated Accordingly, the present invention provides a compact disk housing adapter that can improve cartridge compatibility and reduce economic cost.

1 is a perspective view schematically showing a conventional 12 cm disk and a cartridge for storing the same;

Figure 2 is an exploded perspective view showing a small disk housing adapter according to the present invention,

3 is a plan view showing a state where the small disk is accommodated in the adapter of FIG.

4 is a cross-sectional view A-A of the adapter shown in FIG.

Fig. 5 is a plan view showing a state where a small disk housing adapter according to the present invention is mounted in a cartridge.

Explanation of symbols on the main parts of the drawings

30: adapter 30a: round hole

32, 34: first and second semi-circle 32a: locking jaw

34a: locking groove 36: hinge pin

40,42: upper and lower support

A feature of the present invention for achieving the above object is a small disk accommodating adapter provided for mounting a small disk in a cartridge in which a disk having a diameter of 12 cm is accommodated. An adapter for mounting; A flow preventing portion provided on an outer circumferential surface of the adapter to prevent flow from inside the cartridge; And a detachment preventing portion provided on an inner circumferential surface of the adapter to receive the small disk and prevent detachment.

The adapter according to the present invention is achieved by being composed of a first semi-circle plate for accommodating the small disk and a second semi-circle plate coupled with the first semi-circle plate to form a circular hole.

A flow preventing part according to a preferred embodiment of the present invention is achieved by being a tension protrusion for projecting the outer peripheral surfaces of the first and second semi-circle plates at equal intervals to firmly adhere the adapter to the inner wall surface of the cartridge.

The separation prevention part according to a preferred embodiment of the present invention is achieved by being provided with upper and lower support portions projecting at equal intervals on the inner circumferential surfaces of the first and second semicircular portions.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the compact disk storage adapter according to the present invention will be described in detail with reference to the accompanying drawings.

2 to 4 is a view showing the adapter according to the present invention, in the present invention, the configuration of the cartridge is equipped with a cartridge mounted with a 12 cm disk and the adapter containing the small disk according to the present invention is the same as the conventional configuration Therefore, the same reference numerals are used for convenience of description.

An adapter 30 is provided which is mounted in a cartridge 10 in which a disk D having a diameter of 12 cm is accommodated. The adapter 30 is coupled to the first semi-circle plate 32 to form a small disk, for example 12 cm. It is made of a second semi-circular plate 34 in which a circular hole 30a is formed to accommodate a disk D 'having a diameter below, and is manufactured to have the same diameter as a disk of 12 cm.

One end of the first semi-circle plate 32 is coupled to the hinge pin 36 so as to be rotatable 180 ° with respect to the second semi-circle plate 34, and the engaging jaw ( 32a) and locking grooves 34a are formed, respectively, and an outer circumferential surface of the adapter 30 is provided with a flow preventing portion that is in close contact with the inner wall of the adapter 10 and prevents flow when mounted in the cartridge 10.

An inner circumferential surface of the adapter 30 is provided with a release preventing portion for accommodating the small disk and preventing separation thereof, and the release preventing portion has a gap with respect to the small disk so as to freely rotate the small disk.

The flow preventing part protrudes at equal intervals on the outer circumferential surfaces of the first and second semicircular plates 32 and 34 to form a tension protrusion 38 for firmly adhering the adapter 30 to the inner wall surface of the cartridge 10. The prevention part is provided with upper and lower support parts 40 and 42 protruding at equal intervals on the inner circumferential surfaces of the first and second semicircular plates 32 and 34 on which the circular holes 30a are formed.

The operation of the small disk housing adapter according to the present invention configured as described above will be described in detail with reference to FIG.

When the small disc is accommodated in the cartridge 10 in which the 12 cm disc D is accommodated, the first semicircular plate 32 of the adapter 30 is rotated with respect to the second semicircular plate 34 to form a circular hole 30a. To open. That is, when rotating while leaving the locking jaw (32a) hanging in the locking groove (34a) of the second semi-circular plate 34, the first semi-circular plate 32 is a hinge pin coupled to the second semi-circular plate (34) It is rotated by 180 ° about 36).

Thereafter, when the first semi-circular plate 32 is closed again while a portion of the small disk is accommodated between the upper and lower support portions 40 and 42 protruding from the inner surface of the second semi-circular plate 34, the first semi-circular plate As the other part is accommodated between the upper and lower support portions 40 and 42 protruding from the inner circumferential surface of the 32, it is possible to prevent the adapter 30 from being separated.

Then, when the small disk is accommodated in the circular hole 30a of the adapter 30 and the adapter 30 is mounted in the 12 cm cartridge 10, the first and second semicircular plates 32 and 34 protrude to the outer circumferential surface thereof. As the tension rib 38 is contracted and is returned to the initial state when the mounting is completed, the flow of the adapter 30 including the small disk can be prevented while the cartridge 10 is completed.

In this way, the cartridge 10 with the adapter 30 mounted thereon is placed on the tray and then inserted into the recording / playback apparatus for recording or reproducing information on / from the disc. Is moved in one direction as the spring 20 is tensioned by the shutter opening / closing member to open the openings formed in the upper and lower plates 12 and 14, thereby recording and / or reproducing information to and from the data area of the small disk. It is.

As described above, according to the small-sized disk housing adapter according to the present invention, by mounting the adapter in which the small disk is accommodated in the cartridge in which the disk of 12 cm is accommodated, it is possible to combine the different disks in one cartridge to accommodate the cartridge This improves the compatibility of the system and saves economic costs.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (6)

In the small disk housing adapter provided for mounting a small disk in a cartridge containing a disk having a diameter of 12 cm, An adapter for receiving the small cartridge and mounting the cartridge in the cartridge; A flow preventing portion provided on an outer circumferential surface of the adapter to prevent flow from inside the cartridge; And The small disk housing adapter is provided on the inner circumferential surface of the adapter and includes a departure prevention unit for storing the small disk and at the same time to prevent the departure. The adapter of claim 1, wherein the adapter comprises a first semi-circle plate for accommodating the small disc and a second semi-circle plate coupled to the first semi-circle plate to form a circular hole. According to claim 1, wherein the flow preventing portion protrudes at equal intervals on the outer peripheral surface of the first and second semi-circular plate for a small disk storage, characterized in that the tension projection for firmly adhering the adapter to the inner wall surface of the cartridge adapter. The adapter of claim 1, wherein the separation preventing part comprises upper and lower support parts protruding at equal intervals on inner circumferential surfaces of the first and second semicircular parts. 3. The compact disc accommodating adapter according to claim 1 or 2, wherein the adapter is manufactured to have a diameter equal to that of a 12 cm disc accommodated in the cartridge. According to claim 2, One end of the first semi-circular plate is coupled to the hinge pin so as to be rotatable 180 ° with respect to the second semi-circular plate, The first and second semi-circular plate is provided with a locking jaw and a locking groove, respectively Adapter for small disk storage characterized by the above-mentioned.

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