CN2502363Y - Card-inserting type optical disk - Google Patents

Abstract

A magnetic card disk is provided, which comprises a square protecting shell and a round CD disk. The round disk CD is sealed in the protecting shell, a projecting round ring is provided on the surface of the disk, the centre of the lower surface is a projected surface, the centre of the disk is a small square hole; the outer surface of the side with a round opening of the protecting shell is provided with a rectangle opening, namely the reading window, a thin flake is arranged on the reading window, an opening which has the same size with the reading window is arranged on the thin flake, a groove is arranged the outer wall surrounding the window, the thin flake is stuck to the groove and can move to left and right in the groove, a flexible thin steel wire ring is arranged at the gap at the bottom edges of the protecting shell, the other end clamps the thin flake, the other end is fixed in the gap. The utility model completely isolates the contact between the disk and the outside, which prevents the disk from damage and pollution, and has long service life, convenient operation, convenient carrying, easy to package, the utilizing scope is wider.

Description

The card insert type CD

Technical field: the utility model relates to the card insert type CD that use in a kind of CD, VCD, DVD and Computer optical disc drive field.

Background technology: existing at present CD unprotect shell, accidentally will scratch the dish face, stay cut, easily contaminated, access times are many transparent bottom surface is will hair super, makes player can not correctly read butterfly.And laser disc is circular, and is very thin, and unusual rapid wear is all must careful a beautiful gem in using, carrying, pack, deposit careful, thereby the user is very inconvenient.

Summary of the invention: the purpose of this utility model provides that a kind of protection video disc is injury-free, easy to use, and the life-span is long, the card insert type CD that usable range is wide.

For achieving the above object, the technical solution of the utility model is: a kind of card insert type CD, and it comprises square containment vessel, circular light dish sheet, circular light dish sheet is sealed in the containment vessel, the video disc upper surface has a protruding circular ring, and the lower surface center is a crowning, and there is square aperture at the video disc center; Containment vessel two wall inboards respectively attach one deck flexible fibre paper, at containment vessel one side center circular open is arranged, match with the circular protrusions face of video disc lower surface, be provided with an oblong openings at the outer wall that the circular open one side is arranged, promptly read and write window, this opening is positioned on the bisector of shell minor face, be parallel to long limit, be provided with thin slice above the window in read-write, on thin slice, have one with the similar opening of read-write window size, outer wall surface around window is provided with groove, thin slice is close to groove, and can horizontally slip in groove, at the built-in elasticity finer wire of containment vessel base crack circle, the one end blocks thin slice, and the other end is fixed in the crack; On the containment vessel outer side edges parallel, respectively be provided with a draw-in groove with window; Be provided with a draw-in groove in CD insertion end forward position.

The utility model has thoroughly completely cut off video disc and extraneous contacting owing to adopt said structure and profile, makes video disc avoid damage and pollute.And prolong serviceable life, easy to operate, and carrying convenience is easy to packing, makes range of application more extensive.

Description of drawings: Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the back view of containment vessel.

Fig. 3 is the utility model side cut-away view.

Fig. 4 is the front schematic view of CD video disc.

Embodiment: embodiment of the present utility model is described further: a kind of card insert type CD below in conjunction with accompanying drawing; it comprises square containment vessel 1, circular light dish sheet 2; circular light dish sheet is sealed in the containment vessel; thoroughly completely cut off video disc and extraneous contacting, made the butterfly sheet avoid damage and pollute.Containment vessel is double-deck hollow, and its inside is the circular video disc of record data, and video disc places in it, and high speed rotating therein.Video disc is level and smooth transparent flat, the medium of record data is positioned at the video disc middle layer, video disc 2 upper surfaces have a protruding circular ring 3, play the effect of supporting outer wall, be formed centrally circular protrusions plane 4 in the lower surface, this plane is exposed to outside the containment vessel, and the rotation axis of player puts in and drives the video disc rotation in the square opening; Respectively attach one deck flexible fibre paper 5 in containment vessel two wall inboards, play the effect of protection video disc; At containment vessel one side center circular open 8 is arranged, the protruding inwards annulus 6 along the limit of this opening, the also protruding annulus 7 in another inwall center, opening 8 is the exposed mouth at video disc center, two rings make video disc be in interlayer central authorities, not pushed by two walls.Have an oblong openings 9 in addition on the outer wall that the circular open one side is arranged, this opening is positioned on the bisector of shell minor face, is parallel to long limit, and this opening is " the read-write window " that laser head reads disk data.This window is covered by thin slice at ordinary times, in order to avoid dust falls into or video disc is damaged, have above the thin slice 10 one with read-write window size similar opening 11, when opening 11 slides into when reading and writing window 9 and overlap the place, the read-write window just exposes, and has then been covered on the contrary.Outer wall around window is provided with groove; thin slice is close to groove; and can in groove, horizontally slip; at the built-in elasticity finer wire of containment vessel base crack circle 12; the one end blocks thin slice; the other end is fixed in the crack; make thin slice always cover window at ordinary times; when working in the CD insertion machine, the trace in the machine is pushed thin slice open, exposes the read-write window; thin slice one end turns back and encases the containment vessel base; the edge puts in another sulculus of making on facing the wall and meditating, and thin slice can be slided freely, can not get loose again.On the outer side edges parallel of containment vessel, respectively be provided with a draw-in groove 13, can in player, play fixation with window; Along being provided with a draw-in groove 14, correct in face of the CD insertion end with the assurance direction of insertion, otherwise CD can not be inserted into machine.

Claims (6)

1, a kind of card insert type CD is characterized in that it comprises containment vessel, circular light dish sheet, and circular light dish sheet is sealed in the containment vessel.

2, card insert type CD according to claim 1 is characterized in that the video disc upper surface has a protruding circular ring, and the lower surface center is a crowning, and this circular protrusions is showed outside containment vessel.

3, card insert type CD according to claim 1 is characterized in that respectively attaching one deck flexible fibre paper in containment vessel two wall inboards.

4; card insert type CD according to claim 1; it is characterized in that circular open being arranged at containment vessel one side center; match with the circular protrusions face of video disc lower surface; be provided with an oblong openings at the outer wall that the circular open one side is arranged; promptly read and write window; this opening is positioned on the bisector of shell minor face; be parallel to long limit, be provided with thin slice above the window in read-write, on thin slice, have one with the similar opening of read-write window size; outer wall is provided with groove around window; thin slice is close to groove, and can horizontally slip in groove, at the built-in elasticity finer wire of containment vessel base crack circle; the one end blocks thin slice, and the other end is fixed in the crack.

5, card insert type CD according to claim 1 is characterized in that respectively being provided with a draw-in groove on the containment vessel outer side edges parallel with window.

6, card insert type CD according to claim 1 is characterized in that in face of the CD insertion end along being provided with a draw-in groove.

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