CN2874712Y

CN2874712Y - Multiple disc optical disk machine

Info

Publication number: CN2874712Y
Application number: CN 200620055771
Authority: CN
Inventors: 杨东佐
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-07
Filing date: 2006-03-07
Publication date: 2007-02-28
Anticipated expiration: 2016-03-07

Abstract

The utility model relates to a multi-CD player comprising a machine shell, a CD cassette providing two or more CD storage positions, a core, a CD read-write mechanism, a vertical core-moving device, signal switches and an IC control module. The core is provided with an internal slide part, on which a holding device is arranged to hold CDs. The slide rails are arranged on the core for internal slide part when loading and unloading CDs. A first CD clamping mechanism is arranged on the CD cassette. A secondary clamping mechanism is arranged on the holding device, in order to change the clamping force on the holding device. The utility model has the advantages of simple structure, low cost, reliable movement and high read-write accuracy.

Description

A kind of DVD multidisc CD player

Technical field

The utility model relates to the CD player on a kind of CD of can be used for, DVD, the CVD etc., particularly relates to a kind of DVD multidisc suction-type optical drive.

Background technology

Existing DVD multidisc CD player, the optical disk cartridge of depositing multiple optical disk is the pellet type structure, and promptly optical disk cartridge comprises the multilayer pallet corresponding with the CD number, and a plurality of disc storage are on the pallet of equivalent layer; The structure that makes laser disc enter movement is the roller type suction structure.When CD player will read to need disc on the layer, movement moves to the position corresponding with this layer disc, the roller inhalation type structure of movement is towards the tray position motion of this layer, movement catches on the pallet on the equivalent layer then, by the roller inhalation type structure on the movement video disc is sent to the position that needs and reads dish; When going out dish, the roller type suction structure is sent to position corresponding on the disc box with disk tray, and the roller inhalation type structure resets then, finishes out the action of dish.The shortcoming of this DVD multidisc CD player is, the corresponding pallet of each CD, and the complex structure of CD player, occupation space is big; Particularly CD enters movement and brings into by pallet, greatly reduces the read-write precision of CD.

Summary of the invention

The purpose of this utility model is to make disc conveniently enter movement and be seated in DVD multidisc CD player on the disc box relevant position by changing holding force size that the clamping disc enters the clamping device of movement.

A kind of DVD multidisc CD player comprises casing, optical disk cartridge, movement, CD read and write mechanism, movement vertical movement mechanism, signaling switch, the IC controll block of two or two above optic disc storage positions is provided; Movement is provided with interior saddle, and interior saddle is provided with the clip device of chucking optical disk; The guide rail that moves for interior saddle when being provided with dish into and going out dish on movement is provided with first clamp system that clamps CD on optical disk cartridge; On clip device, be provided with second clamp system that clip device holding force size is changed.When CD player will be read disc on the required cd layer, movement moves to the position corresponding with this layer disc, interior saddle is towards the direction motion of disc, clip device and interior this layer of saddle clamping disc, saddle changes direction when read and write position moves in the good disc of clamping, the holding force of second clamp system increases to suddenly to be enough to disc is pressed from both sides the placing film magazine, after interior saddle is sent to read and write position with disc, holding force is reduced to original state, clip device unclamps disc, disc is placed on the read-write optical head, and optical head begins to read dish; When going out dish, the holding force that second clamp system produces makes clip device clamping disc, when interior saddle and clip device are clamped to disc on the disc box behind the desired position, the holding force of second clamp system is reduced to original state, interior saddle moves towards read and write position, first clamp system clamps disc and disc is stayed in the disc box, and interior saddle moves to read and write position again, finishes out dish.The change of holding force size is controlled by IC controll block.Owing to adopt clip device, need on every layer of disc box, not design support holder structure, make CD player simple in structure, and improve the read-write precision of disc.

As improvement of the present utility model, clip device comprises left intermediate plate and the right clamping piece that is articulated on the interior saddle; Be provided with second clamp system between left and right intermediate plate and interior saddle, second clamp system comprises electromagnet.Saddle changes direction when read and write position moves in the good disc of clamping, the electromagnet conduction, the holding force of second clamp system is increased to suddenly to be enough to disc is pressed from both sides the placing film magazine, interior saddle is sent to read and write position with disc, the electromagnet outage, and holding force is reduced to original state, clip device unclamps, optical head begins to read dish, and conduction by electromagnet and outage change the size of holding force, make simple in structure, the disc clamping is reliable.

As further improvement of the utility model, first clamp system be every layer of dish box up and down between the permanent magnet inhaled mutually of corresponding magnetic, make simple in structurely, clamping is reliable.

As improvement of the present utility model, the interference between movement and the disc can not take place simultaneously again in the stroke shortening for saddle in making, and is provided with the clearance position of relative disc in the position of interior saddle, and disc empty avoiding space is provided.

Further improve as of the present utility model, the movement vertical movement mechanism comprises screw mandrel that is arranged on the casing and the special-shaped nut that cooperates with screw mandrel that is arranged on the movement, and is simple in structure again.Vertical movement mechanism also can be used synchronous band mechanism, rack-and-pinion connecting gear etc.

As another improvement of the present utility model, CD read and write mechanism is fixed on the casing inner bottom part.

As another improvement of the present utility model, CD read and write mechanism is fixed on the movement, can improve the read-write precision of disc.

The beneficial effects of the utility model be simple in structure, cost is low, motion is reliable, read-write precision height.

Description of drawings

Fig. 1 is a vertical view of the present utility model.

Fig. 2 is the three-dimensional exploded view of the utility model embodiment 1.

Fig. 3 is the utility model embodiment 1 movement cut-open view along the A-A position of Fig. 1 when original state.

Fig. 4 is the utility model embodiment 1 movement when the state of rise along the cut-open view of the A-A position of Fig. 1.

Fig. 5 is the utility model embodiment 1 movement cut-open view along the A-A position of Fig. 1 when saddle stretches out the clamping disc in rising to corresponding position.

Fig. 6 is the utility model embodiment 1 movement cut-open view along the A-A position of Fig. 1 when saddle stretches out the clamping disc in rising to corresponding position.

Embodiment

Embodiment 1

As shown in Figure 1 to Figure 3, a kind of DVD multidisc CD player, comprise casing 1, be installed in optical disk cartridge 2, movement 3, CD read and write mechanism 4, movement vertical movement mechanism, signaling switch (not shown), IC controll block (not shown) that six optic disc storage positions are provided in the casing 1, CD read and write mechanism is fixed on the movement, optical disk cartridge be provided with every layer of dish box up and down between the permanent magnet 17 inhaled mutually of corresponding magnetic.Movement comprises machine core shell 5, has two not at the guide groove 7 and the guide groove 8 of sustained height in the side walls 6 of machine core shell 5, has two not at the guide groove 10 and the guide groove 11 of sustained height at sidewall 9; Saddle 12 in also being provided with in movement, the guide rod on the interior saddle 12 gos deep in guide groove 7, guide groove 8, guide groove 10 and the guide groove 11.On interior saddle 12, be articulated with the left intermediate plate 13 and the right clamping piece 14 of chucking optical disk; Between left intermediate plate 13, right clamping piece 14 and interior saddle 12, be provided with the electromagnet 18 that clip device holding force size is changed, be provided with the clearance position 19 of relative disc in the position of interior saddle, disc empty avoiding space is provided.The movement vertical movement mechanism comprises screw mandrel 15 that is arranged on the casing 1 and the special-shaped nut 16 that cooperates with screw mandrel 15 that is arranged on the movement 3.

The motion state of movement such as Fig. 3 are to shown in Figure 5 when reading dish, when CD player will read to need disc on the layer, movement 3 moves to the position corresponding with this layer disc from the stop place under the effect of screw mandrel 15 and the gear motion of special-shaped nut 16, interior saddle 12 is towards the direction motion of disc box 2, this layer disc stretches into left intermediate plate 13, between right clamping piece 14 and the interior saddle 12, disc stretch into put in place in saddle 12 when changing directions and moving towards the read/write head position, the electromagnet conduction, intermediate plate 13, the holding force that holding force between right clamping piece 14 and the interior saddle 12 increases to the permanent magnet 17 that is enough to overcome disc box 2 is suddenly pressed from both sides placing film magazine 2 with disc, interior saddle 12 is sent to the read/write head position with disc, electromagnet 18 outages, holding force disappears, clip device unclamps disc, and disc is placed on the read-write optical head, and optical head begins to read dish; When going out dish, the electromagnet energising, interior saddle 12 and left intermediate plate 13, right clamping piece 14 are with the disc clamping, and interior saddle and left and right intermediate plate drive the disc motion, until the position of correspondence on the disc box, after this, electromagnet outage, interior saddle 12 are towards the motion of read/write head position, and the permanent magnet 17 of optical disk cartridge 2 clamps disc and disc is stayed in the disc box 2, interior saddle 12 moves to read and write position again, finishes out dish.The control of electromagnet 18 conductions and outage is controlled by IC controll block.

In the time of need reading another layer disc on the disc box 2, core of disk 3 rises or drops to position that should layer video disc, repeats the above-mentioned action of reading dish and going out dish then.

Embodiment 2

As Fig. 1 and shown in Figure 6, as different from Example 1, CD read and write mechanism 4 is fixed on the casing inner bottom part, therefore when CD player need will to read disc on the layer, when only movement 3 motion CD player will read to need disc on the layer, machine 3 moves to the position corresponding with this layer disc from the stop place, CD read and write mechanism 4 is motionless; After movement was finished the action of folder dish, movement dropped to the position read-write dish of CD read and write mechanism 4 again.

Claims

1. DVD multidisc CD player, comprise casing, optical disk cartridge, movement, CD read and write mechanism, movement vertical movement mechanism, signaling switch, the IC controll block of two or two above optic disc storage positions are provided, it is characterized in that: movement is provided with interior saddle, is articulated with the clip device of chucking optical disk on the interior saddle; The guide rail that moves for interior saddle when being provided with dish into and going out dish on movement is provided with first clamp system that clamps CD on described optical disk cartridge; On clip device, be provided with second clamp system that clip device holding force size is changed.

2. a kind of DVD multidisc CD player as claimed in claim 1 is characterized in that: described clip device comprises left intermediate plate and the right clamping piece that is articulated on the interior saddle; Be provided with described second clamp system between left and right intermediate plate and interior saddle, described second clamp system comprises electromagnet.

3. a kind of DVD multidisc CD player as claimed in claim 2 is characterized in that: described first clamp system be every layer of dish box up and down between the permanent magnet inhaled mutually of corresponding magnetic.

4. a kind of DVD multidisc CD player as claimed in claim 3 is characterized in that: be provided with the clearance position that disc empty avoiding space is provided in the position of interior saddle.

5. as the described a kind of DVD multidisc CD player of the arbitrary claim of claim 1 to 3, it is characterized in that: described movement vertical movement mechanism comprises screw mandrel that is arranged on the casing and the special-shaped nut that cooperates with screw mandrel that is arranged on the movement.

6. a kind of DVD multidisc CD player as claimed in claim 4, it is characterized in that: CD read and write mechanism is fixed on the casing inner bottom part.

7. a kind of DVD multidisc CD player as claimed in claim 4, it is characterized in that: CD read and write mechanism is fixed on the movement.