CN2415430Y

CN2415430Y - Optical disk case

Info

Publication number: CN2415430Y
Application number: CN 00204553
Authority: CN
Inventors: 林仓亿
Original assignee: ZHIHAO CO Ltd
Current assignee: ZHIHAO CO Ltd
Priority date: 2000-02-03
Filing date: 2000-02-03
Publication date: 2001-01-17
Anticipated expiration: 2010-02-03

Abstract

The utility model relates to an optical disk case which is used for fixing optical disk sheets and is particularly used for fixing DVD optical disks (digital video disc). The utility model is provided with an improved structure, and the optical disc sheets can be firmly fixed in the case. The optical disk sheets can be easily taken off by simple operations. The utility model is characterized in that the optical disk case comprises a conical and discoid base, two extension arms and two dumbbell-shaped top plates. When the optical disk sheets are taken off, the dumbbell-shaped top plates can be easily rotated from the fixed position to a release position by the structure of the optical disk case, and the optical disk sheets can be taken out.

Description

A kind of optical disk cartridge

The utility model is the improved structure of relevant a kind of discs conserving case, this the structure in known techniques in different in order to the employed member of fixed light disc, especially refer to the fixed light disc that this member can be firm, and be easy to take off, the utility model is the non-assembly structure that is one of the forming simultaneously, has the simple advantage of production run.

In recent years because the prosperity of digital audio-video equipment, develop and different types of digital audio-video form, and at present the most the recipient of market institute be the form of DVD (Digital Video Disc) CD.Its packing box is roughly long rectangle, but not is similar to square as the CD discs.In addition, different with the packing box of CD, the material of DVD optical disk cartridge generally is with the preferable material of toughness, such as acrylic resin, makes in the mode of integrally formed model.

Yet in known techniques, the DVD optical disk cartridge is normally constituted with the shell bottom plate that connects as the hinge leaf by two, on a shell bottom plate wherein, two extension arms that have annular protrusions and be positioned at middle body have a shoulder on this annular protrusions, and this extension arm have groove.The groove acting in conjunction of two extension arms of the shoulder of this annular protrusions and this middle body and the DVD discs is fixed.But in known techniques, two extension arms that this DVD optical disk cartridge is had are that the hinging manner with the plastics loose-leaf is connected on the shell bottom plate.Therefore when taking off the DVD discs, must apply sizable suppressing action power, the beginning is taken off this DVD discs.Simultaneously; because this extension arm only is connected to this shell bottom plate with simple loose-leaf structure; so when depressing these two extension arms when taking out this DVD discs; the required mobile distance of this extension arm is longer; cause these two extension arms can't discharge this DVD discs simultaneously through regular meeting; must impose suppressing action power to the extension arm of not decontroling once more, cause user's inconvenience.

A purpose of the present utility model is in order to a kind of novel DVD optical disk cartridge to be provided, it is characterized in that having on the shell of this DVD optical disk cartridge the middle body of improvement, in order to blocking this DVD discs, its structure makes that the user is able to take off by depressing this DVD discs that action will be stuck in this DVD optical disk cartridge easily.

This DVD optical disk cartridge of the present utility model comprises two with a hinged sheath top plate of loose-leaf and a shell bottom plate, have two clips on wherein on this sheath top plate, in order to clamp the appended supporting paper of this DVD discs (such as advertisement, the story of a play or opera, pattern etc.), the non-technical characterictic of the present utility model of this part, has annular protrusions on this shell bottom plate, it has a shoulder, and discoid middle body, it is characterized in that, this central authorities' fixed part has discoid pedestal, it has circular periphery and top, this circular periphery is connected on the shell bottom plate of this DVD box, and project upwards with the shape of truncated cone, on this truncated cone surface, have two pairs of grooves, lay respectively at horizontal direction and rotate on about 45 ° direction along this horizontal direction clockwise, and respectively at two base arm that define the rotor rotation between these two pairs of grooves, on the edge of two formed two base arm of about angle of 45 ° between the two pairs of grooves on this truncated cone, extend two braces with stairstepping, and with same plane, the top of this disk pedestal, extend two circular-arc extension arms by the stair-stepping vertical part of this brace, the thickness of this extension arm, locate to be thinned to gradually end face by what be connected with this brace, and on this end face, connect the top board of a dumbbell shaped, this dumbbell shaped top board has two expand partly circular haply, be connected with a linking arm, it has homogeneous thickness substantially, and it is big to be positioned at the cardinal extremity circular portion of extension arm near the size of the terminal circular portion of centre on this dumbbell shaped top board, and the cardinal extremity of this dumbbell shaped top board is circular partly protruding by the circular arc of this extension arm, form a protruding lip, the distance between this protruding lip and this base plate top equals the thickness of DVD discs haply.

In this structure, when the user desires to take off the DVD discs, only need the slight middle body of depressing this dumbbell shaped top board, this DVD discs is ejected easily, do not need the big acting force and the action of repetition in this DVD discs of taking-up.

For further specifying structure of the present utility model and characteristics, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:

Fig. 1 is the perspective view of DVD optical disk cartridge of the present utility model.

Fig. 2 is the top view of the central fixed part of DVD optical disk cartridge of the present utility model.

Fig. 3 is the side view of the central fixed part of DVD optical disk cartridge of the present utility model.

Fig. 4 is the cross section view of the central fixed part of DVD optical disk cartridge of the present utility model along the profile line A-A of Fig. 2.

With reference to figure 1, show the skeleton view of DVD optical disk cartridge 10 of the present utility model, this DVD optical disk cartridge is by being constituted with hinged sheath top plate 11 and shell bottom plate 12 basically.Wherein have two loose-leaf binders 15 on this sheath top plate 11, in order to clamp the appended file of this DVD optical disk cartridge.Have annular protrusions 25 on this shell bottom plate 12 and be positioned at central authorities to live the fixing of DVD discs in order to embedding and be called fixed part 27 again with mechanism.Have 4 on this annular protrusions 25 and be the about 90 ° recess 81 in vertical mutually also interval, and shoulder 83 is in order to put this DVD discs so that this DVD discs with fingerhold.

This fixed part 27 of DVD box of the present utility model is different with general known techniques person substantially, and please refer to Fig. 2 should have a discoid pedestal 29, two extension arms 51 by middle fixed part 27 basically.The top board 61 of two dumbbell shapeds.Haply, this center fixed part 27 has the external form that the central center of circle is presented symmetry.

Please in conjunction with reference to figure 3 and Fig. 4, the central fixed part 27 on this DVD optical disk cartridge shell bottom plate 12 has discoid pedestal 29, and it has circular periphery 31 and top 33, and this circular periphery 31 is connected on the shell bottom plate 12 of this DVD box.And project upwards with the shape of truncated cone.On this truncated cone surface, have two couples of

groove

35a, 35b, 36a, 36b, lay respectively at horizontal direction and rotate on about 45 ° direction along this horizontal direction clockwise, and respectively at two base arm 37 that define the rotor rotation between these two couples of

groove

35a, 35b and 36a, the 36b.The structure that this kind has two couples of

groove

35a, 35b, 36a, a 36b not only helps fixing and takes off DVD discs (will in hereinafter explanation), and bigger anti-mechanical fatigue degree also is provided.On the edge of two formed two base arm 37 of about angle of 45 ° between two couples of

groove

35a, 35b on this truncated cone and 36a, 36b, extend two braces 41 with stairstepping, this stair-stepping horizontal component can be in order to carrying this DVD discs, and with the 33 same planes, top of this disk pedestal 29.Extend two circular-arc extension arms 51 by the stair-stepping vertical part of this brace 41.The thickness of this extension arm 51 is located to be thinned to gradually end face by what be connected with this brace 41, and connect the top board 61 of a dumbbell shaped on this end face.

This dumbbell shaped top board 61 has two

circular parts

62,63 of expanding haply, is connected with a linking arm 64, and it has homogeneous thickness substantially.And it is big to be positioned at circular portion (also claiming the cardinal extremity circular portion) 63 of extension arm 51 near circular portion (also claiming terminal circular portion) 62 the size of centre on this dumbbell shaped top board 61.And the circular part 63 of the cardinal extremity of this dumbbell shaped top board 61 that is connected with extension arm 51, its circular arc outer rim by this extension arm 51 is stretched out, form a protruding lip 65, distance between this protruding lip 65 and this base plate top 33 equals the thickness of DVD discs haply, can be in order to fix this DVD discs.With reference to icon, the position at these dumbbell shaped top board 61 places is not subjected to any acting force, and this position is called the normal position, and when the DVD discs embedded wherein, this dumbbell shaped top board 61 also roughly was positioned at this normal position.Again, the base plate top 33 of this discoid pedestal 29 is in the same plane with the shoulder 83 of these shell bottom plate 12 upper process 25.

When desire is accommodated in the DVD discs in this box, need the hollow hole of centre of DVD discs is placed on the dumbbell shaped top board 61 of the fixed part 27 on the DVD optical disk cartridge shell bottom plate 12, apply suppressing action power to this DVD discs this moment again, just because being axle, the part that this suppressing action power makes this dumbbell shaped top board 61 be connected with this extension arm 51 produces the pivot rotation, when this dumbbell shaped top board 61 rotates to open site (not with icon), this DVD discs just embeds in this fixed part 27, and this dumbbell shaped top board 61 roughly returns back to original normal position and then inlay card is lived this DVD discs simultaneously.So when the DVD discs is embedded in this structure of this box, the peripheral edge of DVD discs can place on the shoulder 83 of this shell upper process, the hollow hole of centre of this DVD discs part can place on the top 33 of disk pedestal 29 of this fixed part 27, and the protruding lip 65 of this dumbbell shaped top board 61 can block the top of the hollow hole of centre part outer rim of this DVD discs, and by this this DVD discs is fixed.

Therefore, according to DVD optical disk cartridge of the present utility model, when collection DVD discs, be by the cardinal extremity of this dumbbell shaped top board 61 circular partly 63 protruding lip 65 and the top 33 of the disk pedestal 29 of this truncated cone and the shoulder of this stepped brace 41, and the fixing DVD discs of shoulder 83 actings in conjunction of annular protrusions 25 on this shell bottom plate 12.

When desiring to take off this DVD discs, be the central authorities of pressing to these two dumbbell shaped top board 61 symmetries with finger, the terminal circular portion 62 to this dumbbell shaped top board 61 produces the acting force that presses down thus.Because the influence of this acting force, the part that this dumbbell shaped top board 61 is connected with this extension arm 51 is an axle, and produces the pivot rotation.Simultaneously, in this extension arm 51 and the part that this dumbbell shaped top board 61 links to each other, also be subjected to the torsion that the rotation of suppressing action power and dumbbell shaped top board 61 pivots is produced.But, because this extension arm 51 is a gradually thin structure, and because the lever principle of this dumbbell shaped top board 61 is amplified the effect of torsion, so when applying suppressing action power and torsion, the downward deflection of this extension arm is more not obvious, and relative can more easily produce torsional deflection.When producing this kind torsional deflection, the protruding lip 65 of the circular portion 63 of this dumbbell shaped top board 61 can be because the pivot turning effort of this dumbbell shaped top board 61, and make this protruding lip 65 by the normal position of blocking the DVD discs, rotate to an off-position (not with icon).When this position, the DVD discs of inlay card just is released originally.

When depressing the symcenter of these two dumbbell shaped top boards 61 with finger, because twisting force, so with minimum suppressing action power, can be easily just the protruding lip 65 of this dumbbell shaped top board 61 rotate to the off-position to head lamp brush guard pivot, be its DVD discs of fixing originally and be released.

Simultaneously, depressing under the acting force effect, because each member on this disk pedestal 29 all is subjected to depressing acting force, and because the structure of two couples of

groove

35a, 35b, 36a, 36b on this disk pedestal 29, make two base arm 37 between these two couples of

groove

35a, 35b, 36a, 36b produce downward rotation, and cause each member that is connected with this two base arm 37 all to bottom offset.And the shoulder 83 of annular protrusions 25 and the top 33 of this disk pedestal 29 are not subjected to the influence of this acting force basically on this shell bottom plate 12.Therefore, the top 33 of this disk pedestal 29 and the shoulder 83 of coplanar this annular protrusions 25 are higher comparatively speaking, and respectively at the hollow hole of centre of this DVD discs and the reacting force upwards of generation on every side of this DVD discs.When the protruding lip 65 of this dumbbell shaped top board 61 rotated to its off-position, this DVD discs can be left this fixed position because of the reacting force that these toroidal projection 25 shoulders 83 on the top 33 of this disk pedestal 29 and this shell bottom plate 12 are applied.Therefore, in this kind structure, can take off this DVD discs with finger more easily.

DVD discs of the present utility model is not limited to pack the DVD discs, also can be in order to packing CD discs.Again, be skillful in this skill person can be easily by modifying the utility model, and be applied to have on the object with the similar profile of discs, and and without prejudice to claim of the present utility model.

Claims

1. optical disk cartridge, constituted by the sheath top plate and the shell bottom plate that connect with the hinge loose-leaf, have two loose-leaf binders on this sheath top plate, has annular protrusions on this shell bottom plate, it has a shoulder, and discoid central fixed part, it is characterized in that, this central authorities' fixed part has discoid pedestal, it has circular periphery and top, this circular periphery is connected on the shell bottom plate of this DVD box, and project upwards with the shape of truncated cone, on this truncated cone surface, have two pairs of grooves, lay respectively at horizontal direction and rotate on about 45 ° direction along this horizontal direction clockwise, and respectively at two base arm that define the rotor rotation between these two pairs of grooves, on the edge of two formed two base arm of about angle of 45 ° between the two pairs of grooves on this truncated cone, extend two braces with stairstepping, and with same plane, the top of this disk pedestal, extend two circular-arc extension arms by the stair-stepping vertical part of this brace, the thickness of this extension arm, locate to be thinned to gradually end face by what be connected with this brace, and on this end face, connect the top board of a dumbbell shaped, this dumbbell shaped top board has two expand partly circular haply, be connected with a linking arm, it has homogeneous thickness substantially, and it is big to be positioned at the cardinal extremity circular portion of extension arm near the size of the terminal circular portion of centre on this dumbbell shaped top board, and the cardinal extremity of this dumbbell shaped top board is circular partly protruding by the circular arc of this extension arm, form a protruding lip, the distance between this protruding lip and this base plate top equals the thickness of DVD discs haply.