Optical disk transport device for optical disk playing device

An optical disk transport device for optical disk playing device comprising:

• at least one optical disk guiding device (7) located at the optical disk insertion inlet (5);
• a delivery roll (27) located at the optical disk insertion inlet (5) and located at the position opposite to the optical disk guiding device (7);
• a pair of detection bars (10,11) provided with detection parts (10a,11a) contacting the periphery of the optical disk inserted from the optical disk insertion inlet (5), and the detection bars (10,11) being capable of freely rotating around respective rotary pivots;
• a linkage plate (13) for controlling the pair of detection bars (10,11) to move together;
• at least one elastic part (14), the elastic part (14) making the detection bars (10,11) to rotate according to the direction that makes the detection parts (10a,11a) to contact the periphery of the optical disk;
• and
• an optical disk baffle (15) located in the optical disk playing device at the side away from the optical disk insertion inlet (5), while a small diameter optical disk being held by the delivery roll (27) and the optical disk guiding device (7), along with the rotating of the delivery roll (27), as the center of the small diameter optical disk passing the center of a plummer (12), the optical disk baffle (15) contacting the periphery of the small diameter optical disk to stop the transport of the small diameter optical disk;
• characterized in that the detection parts (10a,11a) of the pair of detection bars (10,11) are located between the delivery roll (27) and the plummer (12),
• wherein the optical disk transport device further comprises a release part (40);
• while playing an optical disk, the release part (40) resists the force of the elastic part (14), so as to release the contact of the detection parts (10a,11a) of the pair of detection bars (10,11) and the periphery of the optical disk,
• wherein the pair of detection bars (10,11) are provided with long arms and short arms of L shape;
• the front end of the long arms are provided with the detection parts (10a,11a) contacting the periphery of the optical disk, and the front end of the short arms are provided with first slotted holes (10b,11b);
• the curved parts of the L shape are provided with rotary pivots (10c,11c);
• at the initial position, the space between the two detection parts (10a,11a) is a little smaller than the diameter of the small diameter optical disk;
• the linkage plate (13) is fixed to the upper base plate (2) of the optical disk playing device;
• the upper base plate (2) is provided with a first guiding hole (2a) and a second guiding hole (2b) to make the linkage plate (13) to move in parallel according to the optical disk transport path;
• the central part of the linkage plate (13) is provided with embedding parts (13b) capable of separately cooperating with the two guiding holes (2a,2b).

An optical disk transport device for optical disk playing device comprising:

• at least one optical disk guiding device (7) located at the optical disk insertion inlet (5);
• a delivery roll (27) located at the optical disk insertion inlet (5) and located at the position opposite to the optical disk guiding device (7);
• a pair of detection bars (10,11) provided with detection parts (10a,11a) contacting the periphery of the optical disk inserted from the optical disk insertion inlet (5), and the detection bars (10,11) being capable of freely rotating around respective rotary pivots;
• a linkage plate (13) for controlling the pair of detection bars (10,11) to move together;
• at least one elastic part (14), the elastic part (14) making the detection bars (10,11) to rotate according to the direction that makes the detection parts (10a,11a) to contact the periphery of the optical disk;
• and
• an optical disk baffle (15) located in the optical disk playing device at the side away from the optical disk insertion inlet (5), while a small diameter optical disk being held by the delivery roll (27) and the optical disk guiding device (7), along with the rotating of the delivery roll (27), as the center of the small diameter optical disk passing the center of a plummer (12), the optical disk baffle (15) contacting the periphery of the small diameter optical disk to stop the transport of the small diameter optical disk;
• characterized in that the detection parts (10a,11a) of the pair of detection bars (10,11) are located between the delivery roll (27) and the plummer (12),
• wherein the optical disk transport device further comprises a release part (40);
• while playing an optical disk, the release part (40) resists the force of the elastic part (14), so as to release the contact of the detection parts (10a,11a) of the pair of detection bars (10,11) and the periphery of the optical disk,
• wherein the release part (40) and the rotary pivots of the pair of detection bars (10,11) are located at different positions;
• the release part (40) is a cam unit for action control, which is capable of rotating freely around its shaft,
• wherein the pair of detection bars (10,11) are provided with long arms and short arms of L shape;
• the front end of the long arms are provided with the detection parts (10a,11a) contacting the periphery of the optical disk, and the front end of the short arms are provided with first slotted holes (10b,11b);
• the curved parts of the L shape are provided with rotary pivots (10c,11c);
• at the initial position, the space between the two detection parts (10a,11a) is a little smaller than the diameter of the small diameter optical disk;
• the linkage plate (13) is fixed to the upper base plate (2) of the optical disk playing device;
• the upper base plate (2) is provided with a first guiding hole (2a) and a second guiding hole (2b) to make the linkage plate (13) to move in parallel according to the optical disk transport path;
• the central part of the linkage plate (13) is provided with embedding parts (13b) capable of separately cooperating with the two guiding holes (2a,2b).