KR20090021570A - Disk loading apparatus for disk drive - Google Patents

Abstract

The present invention relates to a disk loading apparatus of a disk drive. The present invention is installed so that the front end of the optical pickup base, the drive source 70 is provided with a main chassis (40); A guide means (60) installed on the main chassis (40) so as to be moved while being rotated in a direction perpendicular to the entry and exit direction of the disc, and for guiding the side ends of the disc; A drive lever (80) installed by the drive source (70) so as to be movable in the entry / exit direction of the disc; A guide plate (100) installed in the main chassis (40) to be movable in a direction perpendicular to the entry and exit direction of the disk in association with the movement of the drive lever (80); An ejector arm (140) rotatably installed on the main chassis (40) to guide the front end of the disk and to rotate in conjunction with the movement of the guide plate (100); It is configured to include an insert arm 120 rotatably installed in the main chassis 40 rotatably in conjunction with the movement of the guide plate 100 to push the rear end of the disk. According to the present invention as described above, it is possible to use all the disks of various sizes regardless of the size of the disk.

Description

Disk loading apparatus for disk drive

The present invention relates to a disk drive, and more particularly, to a disk loading apparatus of a disk drive having a structure for stably guiding a movement of a disk to and from the main chassis.

A disk drive is a general term for optical storage media using optical pickup. Types of disk drives include CD-ROMs, CD-RWs, and DVD-RWs. Tray type has been mainly used as a method of inserting a recording medium into a disk drive. The tray type is a type in which a disk drive is mounted on a computer main body, and a stand for receiving a recording medium comes out of the main body.

In the case of a portable computer such as a notebook, a slim design that is directly inserted into a disk drive is mainly used. Recently, with the interest in the products of monitor television integrated and liquid crystal display integrated personal computer, the development of products having such a form has been accelerated.

As described above, in order to maintain a slim design, it is difficult to use a tray type, and thus a slot type is used. That is, a method of inserting a recording medium directly into a disc drive without a tray on which the recording medium is placed. The disk drive described below is a slot type method.

1 is a perspective view showing the internal structure of a disk drive according to the prior art.

As shown in these figures, the entire skeleton of the disc drive is formed by the main chassis 1. On the upper surface of the main chassis 1, the main base 3 and the optical pickup base 5 are sequentially installed. The position corresponding to the upper portion of the main chassis 1 is provided with a configuration such as a PCB required for the disk drive.

One side of the optical pickup base 5 is provided with a spindle motor 7 for rotating the disk. The rotary shaft of the spindle motor 7 is provided with a turntable 9 on which a disk is seated and rotated by the spindle motor 7.

On the optical pickup base 5, the optical pickup 11 is installed to perform a straight reciprocating motion. The optical pickup 11 is a portion for recording a signal by reading light onto a signal recording surface of the disk or reading a recorded signal. The optical pickup 11 is moved on the optical pickup window 12 formed to be opened in the optical pickup base 5. Accordingly, the optical pickup 11 irradiates light on the disk while moving on the optical pickup window 12. The optical pickup 11 is guided by guide shafts (not shown) provided at positions corresponding to both ends of the optical pickup window 12.

The tip of the optical pickup base 5 is provided with a guide pin 13 for guiding the lifting of the optical pickup base 5. The guide pin 13 moves the optical pickup base 5 in association with the rotation of the lifting guide 30 to be described below. On the other hand, the main chassis 1 is provided with a pair of guide frame 15 to protrude to the upper surface of the main chassis (1). The guide frame 15 is formed to be in contact with the outer peripheral surface of the guide pin 13 serves to prevent the departure of the guide pin (13).

At one end of the main base 3, the guide roller 17 is rotatably installed. The guide roller 17 guides the disk while rotating along the side of the disk when the disk is pulled in and out. The main chassis 1 is provided with a guide rail 19 at a position corresponding to the opposite side of the guide roller 17. The guide roller 17 and the guide rail 19 serve to guide the entry and exit of the disc.

The eject arm 21 is rotatably installed at one side of the main chassis 1. The ejector arm 21 is a part for guiding the ejecting and ejecting of the disk, and a guide plate 23 is provided at the tip thereof. The roller 25 is provided on the upper surface of the guide plate 23. The disk is mounted on the upper surface of the guide plate 23, the outer peripheral surface of the roller 25 abuts the side of the disk to guide the movement of the disk. The state shown in FIG. 1 is a state in which the disc is completely inserted so that the roller 25 and the guide plate 23 do not come into contact with the disc when the disc is loaded.

On the other hand, one side of the main base (3) is provided with a drive motor 26 for providing a driving force for loading and unloading the disk. In addition, the driving motor 26 is connected to the lifting gear 27 and components such as gears to transfer the driving force to the lifting gear 27.

On one side of the main base 3, the lifting guide 30 for lifting the optical pickup base 5 is rotatably installed. The lifting guide 30 is connected to the lifting gear 27 to rotate. The lifting guide 30 lowers the tip of the optical pickup base 5 when the disk is unloaded to prevent interference between the turntable 9 and the disk, and the optical pickup base 5 when the disk is loaded. Will raise the leading edge.

The operation of the disk drive according to the prior art having such a configuration will be described.

First, the disc is inserted in the direction of the arrow of FIG. 1 with both ends abutting the guide roller 17 and the guide rail 19. At this time, the tip of the disk is moved in a state seated on the guide plate 23, thereby rotating the eject arm 21 in a counterclockwise direction. As the ejector arm 21 rotates, the ejector arm 21 comes into contact with the switch provided in the main base 3. Then, the driving motor 26 is operated to rotate the lifting gear 27.

In conjunction with the rotation of the lifting gear 27, the lifting guide 30 is rotated in a clockwise direction with reference to FIG. Then, the guide pin 13 is guided by the lifting guide 30 to raise the tip of the optical pickup base (5). When the tip of the optical pick-up base 5 is raised in this manner, the disc is seated on the turntable 9. In this state, the turntable 9 and the disc are rotated together by the drive of the spindle motor 7.

In the above-described disc insertion state, when the eject signal of the disc is transmitted, the driving motor 26 is driven to rotate the lifting gear 27 in the opposite direction as when loading. The lifting guide 30 rotates in the counterclockwise direction with reference to FIG. 1 in conjunction with the rotation of the lifting gear 27. Then, the guide pin 13 is guided by the lifting guide 30 to lower the tip of the optical pickup base (5). At this time, the turntable 9 is lowered and the coupling with the disk is separated. At the same time, the eject arm 21 is rotated, and the disk is guided by the roller 25 and discharged to the outside of the main chassis 1.

However, the prior art as described above has the following problems.

As described above, in the prior art, both sides of the disk are guided by the guide roller 17 and the guide rail 19 when the disk is unloaded. That is, the left side of the disc is guided by the guide rail 19 fixedly mounted to the main chassis 1, and the right side of the disc is guided by the guide roller 17 supported by the elastic force.

In such a disc drive, only discs of a certain size can be played. For example, only a disc having a diameter of 12 cm may be input and output, and a disc having a different size may not be reproduced.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and to provide a disc loading apparatus of a disc drive having a structure for reproducing a disc having various sizes.

According to a feature of the present invention for achieving the above object, the present invention is the optical pickup base is installed so that the tip is elevated, the main chassis provided with a drive source; Guide means installed in the main chassis so as to move in a direction perpendicular to the entry and exit direction of the disc, and for guiding the side ends of the disc; A drive lever installed to be movable in the entry / exit direction of the disc by the drive source; A guide plate mounted to the main chassis so as to be movable in a direction perpendicular to an entry and exit direction of the disc in association with movement of the drive lever; An ejector arm rotatably installed on the main chassis to guide the front end of the disk and rotate in synchronization with the movement of the guide plate; It is installed in the main chassis rotatably in conjunction with the movement of the guide plate, characterized in that it comprises an insert arm for pushing the rear end of the disk.

The main chassis is characterized in that the cover for shielding the part except the optical pickup base.

The cover may include a guide slot in which an eject boss provided in the eject arm is inserted and guided to correspond to a rotational trajectory of the eject arm.

The guide means includes: a first guide member for guiding the side end of the disk and having a guide boss inserted and guided in a guide hole formed in the cover; And a second guide member installed in parallel with the first guide member to guide the side end of the disk.

The first and second guide members may be spaced apart from each other by the diameter of the disk having a relatively small diameter in the initial state of the disk drive.

The guide hole may include: a parallel portion configured to guide the guide boss when a disc having a relatively small diameter is entered and exited in parallel with an entry and exit direction of the disc; It characterized in that it comprises a vertical portion extending in the vertical direction in the parallel portion and guides the guide boss when a disk having a relatively large diameter is taken out.

The guide plate is characterized in that the ejection arm guide hole for guiding the eject boss provided in the ejector arm is formed.

The eject arm guide ball may include: a first ejection arm guide ball to guide the eject boss when a disk having a relatively small diameter is inserted in and out; And a second ejector arm guide hole through which the eject boss is guided when a disk having a relatively large diameter is ejected.

The insert arm may include: a first insert arm rotatably installed in the main chassis, a guide roller for guiding the side end of the disk, rotatably, and having a first insert boss on one side; A second insert arm rotatably installed in the main chassis, having a long hole through which the first insert boss is inserted and guided, and having a second insert boss inserted and guided into a disk guide hole formed in the guide plate; Characterized in that configured to include.

The disc guide hole includes: a first disc guide hole through which the first insert boss is guided when a disc having a relatively small diameter is inputted and received; A second disc guide hole through which the second insert boss is guided when a disc having a relatively large diameter is inputted and received; And a replacement part for communicating between the first disc guide hole and the second disc guide hole.

The first and second disk guide holes, the first and second horizontal portion; First and second driving parts formed to be inclined with respect to a traveling direction of the first and second horizontal parts and to guide the second insert boss when the driving lever is moved by driving of the driving source; And extending from the first and second driving parts, and including the first and second reproducing parts spaced apart from the disc while the second insert boss is guided.

One side of the guide means, the eject arm and the insert arm is characterized in that each provided with an elastic member for providing an elastic force in a direction in close contact with the disk.

The main chassis is provided with a link is rotated in conjunction with the movement of the drive lever, one end of the link is provided with a link boss is inserted into the linkage hole formed in the guide plate.

The guide plate is characterized in that a stopper for preventing interference with the disk during the playback of the disk.

The stopper includes: a first stopper for pushing the guide boss to one side so that the first guide member is spaced apart from the disc when a disc having a relatively small diameter is reproduced; When the disc having a relatively large diameter is reproduced, the guide boss is pushed to one side, characterized in that it comprises a second stopper to be spaced apart from the disc.

The first stopper may include a guide part for guiding the movement of the guide boss; It is formed on one side of the guide portion, characterized in that configured to include a stopper that takes the guide boss.

The main chassis is provided to be moved in conjunction with the movement of the drive lever is characterized in that it is provided with a locking plate to prevent the second guide member from interfering when playing the disk.

In the present invention, the guide member for guiding both sides of the disk, which enters into and out of the disk drive, is moved in a direction perpendicular to the entry and exit direction of the disk. Therefore, the guide member is moved according to the size of the disk to guide both sides of the disk. As a result, according to the disk drive according to the present invention, any disk having various sizes can be used regardless of the size of the disk.

Hereinafter, a preferred embodiment of a disk loading apparatus of a disk drive according to the present invention will be described in detail with reference to the accompanying drawings.

Generally the disc has a diameter of 12 cm. In addition, a smaller diameter than the above-mentioned disk is also used with a diameter of 8 cm. The present invention is a disk drive that can use all the disks of different sizes as described above, for the sake of convenience, a disk having a diameter of 8 cm is called a disk (D1), a disk having a diameter of 12 cm (D2) It will be defined as described. It is a matter of course that the present invention is not limited to the disks of the sizes described above, but can be applied to disks of various sizes.

Figure 2 is a plan view showing the configuration of a preferred embodiment of a disk drive according to the present invention, Figure 3 is a perspective view showing the configuration of a guide plate constituting an embodiment of the present invention.

As shown in these figures, the overall skeleton of the disc drive is formed by a flat plate-shaped main chassis 40. The main chassis 40 is generally formed of a metal material. And, one side of the main chassis 40 is formed so that the inlet and outlet 41, which is a passage through which the disk is input and output. The main chassis 40 is provided with various components necessary for the operation of the disk drive, which will be described in turn below.

The optical pick-up base 42 is installed on the main chassis 40 so that its tip is lifted. This is to prevent the interference between the optical pick-up base 42 and the disk coming into or out of the main chassis 40.

In addition, a spindle motor 44 for rotating the disk is installed at a position adjacent to the tip of the optical pickup base 42. The rotary shaft of the spindle motor 44 is provided with a turntable 46 rotated by the spindle motor 44.

On the other hand, although not specifically shown in the figure, the optical pickup base 42 is provided so that the optical pickup is linear reciprocating motion in the radial direction of the disk seated on the turntable 46. The optical pickup serves to record a signal by reading light onto a signal recording surface of the disk or to read the recorded signal.

Various parts for operating the disk drive are installed in the main chassis 40 except for the optical pickup base 42. A cover 48 is provided on top of the parts to protect these parts. That is, the cover 48 shields a portion of the main chassis 40 except for the optical pickup base 42.

In addition, one side of the cover 48 is formed with a guide hole 50 through which the guide boss 68 of the first guide member 61 to be described below is inserted. The guide hole 50 is formed in a substantially '-' shape when viewed in plan view. The guide hole 50 is provided with a parallel portion 51 formed parallel to the entry and exit direction of the disk. The parallel portion 51 is a portion for guiding the guide boss 68 when the disk D1 is inserted. In addition, a vertical portion 52 extending in a direction substantially perpendicular to the parallel portion 51 is provided. The vertical portion 52 is a portion for guiding the guide boss 68 when the disk D2 is inserted.

And, the guide member 60 is provided on both sides of the main chassis 40, respectively. The guide member 60 is formed long in the disk entry and exit direction so as to guide both ends of the disk. The guide member 60 includes a first guide member 61 for guiding the left end of the disc and a second guide member 62 for guiding the right end of the disc. The first and second guide members 61 are spaced apart from each other by the diameter of the disk having a relatively small diameter in the initial state of the disk drive.

The guide member 60 is installed in the main chassis 40 so as to be movable in a direction perpendicular to the entry and exit direction of the disc. This is to guide disks of various sizes. Each of the guide members 60 is provided with guide rails 64 so that both ends of the disk are inserted and guided. And, one side of the guide member 60 is provided with an elastic member (not shown) for providing an elastic force in the direction in which the guide member 60 is in close contact with the disk. Thus, the guide member 60 is positioned as shown in FIG. 2 before the disc is inserted.

In order for the guide member 60 to be movable in a direction perpendicular to the entry and exit direction of the disk, the guide members 60 are provided with the following configurations, respectively.

First, the first rotation member 66 is rotatably connected to one end of the first guide member 61 near the entrance and exit 41. The first rotating member 66 is rotatably installed in the main chassis 40, one end of which is installed in the main chassis 40, and the other end of which is connected to the first guide member 61.

In addition, a guide boss 68 is provided at one end of the first guide member 61 opposite to the inlet and outlet 41. The guide boss 68 is inserted into the guide hole 50 and guided.

Next, the second rotating member 67 is rotatably connected to both ends of the second guide member 62, respectively. As described above, the second guide member 62 is moved in a direction perpendicular to the direction of entry and exit of the disc by the rotation of the second rotation member 67 to guide both side ends of the disc having different sizes. In addition, one end of the second guide member 62 is provided with a guide pin 65. The guide pin 65 serves as a rotation axis of the second rotating member 67 and the second guide member 62. In addition, the guide pin 65 is caught by the locking surface 154 of the locking plate 150 to be described below.

On the other hand, a drive motor 70 is installed in the main chassis 40. The drive motor 70 provides a driving force for the entry and exit of the disk. The drive motor 70 is operated by a sensor (not shown) provided in the main chassis 40. That is, when the disk is inserted to a certain position, the sensor detects this and transmits an operation signal to the driving motor 70. In addition, a gear shaft 72 is provided on the rotation shaft of the drive motor 70. The gear shaft 72 transmits power to the gear train 74 rotatably installed in the main chassis 40.

The driving lever 80 is installed in the main chassis 40 so as to be movable in the entry / exit direction of the disc. One side of the driving lever 80 is engaged with the gear train 74. Therefore, when the driving motor 70 is driven, the drive lever 80 is moved in the entry / exit direction of the disc by the rotation of the gear train 74. In this embodiment, the drive lever 80 is moved in a direction close to the entrance and exit 41 when the disc is loaded, and moves away from the entrance and exit 41 when the disc is unloaded.

In addition, a lever plate 82 is provided at one end of the driving lever 80, that is, at a side far from the entrance and exit port 41. The lever plate 82 is a portion provided for interworking with the guide plate 100 to be described below. The lever plate 82 is formed with a lever groove 84 into which the link boss 92 of the link 90 to be described below is inserted and guided.

On the other hand, one side of the main chassis 40, the link 90 is rotatably installed around the link axis (90 '). The link 90 is rotated in conjunction with the movement of the drive lever 80, thereby being used as a power transmission means for rotating the guide plate 100 in one direction. Here, the link shaft 90 'is provided in the main chassis 40. The link 90 is in the shape of a substantially '-' plate. The link 90 is provided with a link shaft 90 'at a portion connected to a'-'shape, and link bosses 92 are provided at both ends thereof, respectively, one of which is inserted into the lever groove 84 and the other. One is inserted into the interlocking hole 102 of the guide plate 100 to be described below.

The guide plate 100 is installed in the main chassis 40 so as to be movable in a direction perpendicular to the entry and exit direction of the disc. The configuration of the guide plate 100 is shown well in FIG. The guide plate 100 is installed to move in conjunction with the movement of the drive lever 80. To this end, the guide plate 100 has a linkage hole 102 is formed. The link boss 92 of the link 90 is inserted into the linkage hole 102. Therefore, in FIG. 2, when the driving lever 80 is moved downward, the link 90 is rotated clockwise about the link axis 90 ′, and the guide plate 100 is leftward based on FIG. 2. Will be moved in the direction.

The guide plate 100 has a substantially rectangular plate shape, and is formed long to the left and right. The guide plate 100 is formed with at least one boss hole 104 is inserted into the boss (B) provided in the main chassis 40. The boss hole 104 is for guiding the movement of the guide plate 100, the pair is formed long in the direction perpendicular to the entry and exit direction of the disk.

In addition, the guide plate 100 is formed with at least one disc guide hole 106 into which the second insert boss 132 of the insert arm 120 to be described below is inserted. The disc guide hole 106 is composed of a first disc guide hole 108 and a second disc guide hole 110.

The first disc guide hole 108 serves to guide the second insert boss 132 when the disc D1 enters and exits. The first disc guide hole 108 is divided into three parts to guide the movement of the second insert boss 132. First, the first disc guide hole 108 is provided with a first horizontal portion 108a. The first horizontal portion 108a is formed in a direction perpendicular to the entry and exit direction of the disk. The first horizontal portion 108a is a section in which the second insert boss 132 is moved when the insert arm 120 rotates due to a force for inserting a disk without driving the drive motor 70.

Next, the first disc guide hole 108 is formed with a first driving portion 108b formed to be inclined toward the entrance and exit 41 with respect to the traveling direction of the first horizontal portion 108a. The first driving unit 108b is a section in which the second insert boss 132 is moved when the driving motor 70 is driven. The first regenerator 108c is formed by extending to the first driver 108b. The first playback unit 108c is a section in which the second insert boss 132 is moved to prevent the insert arm 120 from interfering with the disk D1 when the disk D1 is played.

The first horizontal portion 108a of the first disc guide hole 108 is connected to the second disc guide hole 110 through the replacement part 109. The replacement part 109 is a part where the second insert boss 132 is moved when the disc D2 is inserted, and the second insert boss 132 is the first horizontal part when the disc D2 is inserted. The second horizontal portion 110a is moved from 108a).

On the other hand, the second disc guide hole 110 is formed in parallel to the first disc guide hole 108, the second insert boss 132 of the insert arm 120 when the disk (D2) is entered and exited. It serves as a guide. The second disc guide hole 110 is composed of a second horizontal portion 110a, a second driving portion 110b, and a second reproducing portion 110c similarly to the first disc guide hole 108. For a detailed description thereof, please refer to the description of the first disc guide hole 108.

The guide plate 100 is provided with a first stopper 112 for preventing interference with the first guide member 61 when the disc D1 is inserted and played. The first stopper 112 is formed at the lower left portion of the guide plate 100. The first stopper 112 is formed to be inclined guide portion 112a for guiding the movement of the guide boss 68. In addition, the guide boss 68 moved along the guide part 112a is caught by the stopper part 112b so that the first guide member 61 is spaced apart from the disk D1. That is, in the state where the guide boss 68 is caught by the stopper portion 112b, the first guide member 61 is further moved to the left direction with reference to the drawings.

On the other hand, the second stopper 114 is provided at the left end of the guide plate 100. The second stopper 114 serves to prevent interference with the first guide member 61 when the disc D2 is inserted and played. That is, the guide boss 68 allows the first guide member 61 to move in the left direction while being caught by the second stopper 114.

In addition, the guide plate 100 is formed with an eject arm guide hole 116 for guiding the eject boss 144 of the eject arm 140 to be described below. Therefore, when the guide plate 100 is moved, the eject arm 140 rotates in association with the guide plate 100.

The eject arm guide hole 116 guides the eject boss 144 when the disk D1 enters and exits the first eject arm guide hole 118a and the disk D2 when the disk D1 enters and exits. Second ejection arm guide holes 118b are formed, respectively. The second ejection arm guide hole 118b is formed to be located above the first ejection arm guide hole 118a based on FIG. 3.

On the other hand, the ejection arm guide hole 116 is formed with a guide surface 119 for designating the position of the ejector arm 140 in the initial state. The guide surface 119 is a part in which the eject boss 144 is caught in the initial state, which causes the eject arm 140 to no longer move toward the inlet and outlet 41 by the elastic force of the elastic member.

2, an insert arm 120 is rotatably installed in the main chassis 40. The insert arm 120 serves to guide the rear end of the disk when the disk is inserted so that the disk can be stably inserted. In addition, one side of the insert arm 120 is provided with an elastic member (not shown) that provides an elastic force in the direction in which the insert arm 120 is in close contact with the disk.

The insert arm 120 includes a first insert arm 122 rotatably installed on the main chassis 40 about the rotation shaft 122 ′. One end of the first insert arm 122 is rotatably provided with a guide roller 124 for guiding the side end of the disk. The other end of the first insert arm 122 is provided with a first insert boss 126 inserted into the long hole 130 of the second insert arm 128 to be described below.

Next, the insert arm 120 is provided with a second insert arm 128 which rotates in association with the first insert arm 122. The second insert arm 128 is rotatably installed on the main chassis 40 about the rotation shaft 128 '. A long hole 130 into which the first insert boss 126 is inserted is formed at the second insert arm 128. Therefore, as the first insert boss 126 is moved along the long hole 130, the first and second insert arms 122 and 128 rotate with each other. One end of the second insert arm 128 is provided with a second insert boss 132 inserted into and guided into the disc guide hole 106.

The eject arm 140 is rotatably installed around the rotation shaft 140 ′ in the main chassis 40. The eject arm 140 serves to guide the side end at the time of entering and exiting the disk. To this end, a guide roller 142 is rotatably provided at one end of the eject arm 140. In addition, one side of the eject arm 140 is provided with an elastic member (not shown) that provides an elastic force in the direction in which the eject arm 140 is in close contact with the disk. The rotating shaft 140 'and the guide roller 142 are provided at both ends of the eject arm 140, respectively.

In addition, the eject arm 140 is provided with an eject boss 144 that is inserted into the eject arm guide hole 116. The eject boss 144 is caught in the guide surface 119 in the initial state, and the rotation of the eject arm 140 moves along the first and second ejection arm guide holes 118 in the process of ejecting the disk. Make it happen.

On the other hand, one side of the main chassis 40 is provided with a pair of engaging boss 146 protruding. The engaging boss 146 is formed spaced apart from each other by a predetermined distance. In addition, the main chassis 40 is provided with a locking plate 150 which can be moved by the locking boss 146 is moved. The catching plate 150 has a catching channel 152 into which the catching boss 146 is inserted.

Specifically, the locking plate 150 is moved in conjunction with the movement of the drive lever 80. That is, when the driving lever 80 is moved for reproduction in the state where the disc is inserted, the locking plate 150 moves in association with it. The locking plate 150 serves to prevent the disc and the second guide member 62 from interfering with each other when the disc is reproduced through such movement.

To this end, the engaging surface 150 is formed to be inclined to the engaging plate 150, respectively. When the discs D1 and D2 are respectively inserted into the engaging surface 154, the guide pins 65 are caught to move the second guide member 62 to the right.

On the other hand, the main chassis 40 is provided with a separate lifting device (not shown) for elevating the tip of the optical pickup base 42. When the disk is inserted, the lifting device lifts the tip of the optical pickup base 42 in association with the movement of the driving lever 50.

Hereinafter, the operation of the disk loading apparatus of the disk drive according to the present invention having the configuration as described above will be described in detail.

First, the process of inserting the disk D1 will be described. 4A to 4C are plan views illustrating a process of inserting a disk having a relatively small diameter according to a preferred embodiment of the present invention.

As shown in these figures, initially the pair of guide members 60 are positioned to be spaced apart by a distance corresponding to the diameter of the disk D1 by the elastic force to the elastic member provided on one side (see Fig. 2). In addition, the eject arm 140 is positioned with the eject boss 144 caught on the guide surface 119, and the insert arm 120 is positioned on the first horizontal portion 108a.

When the disk D1 is inserted in such an initial state, the guide member 60 is in close contact with both ends of the disk D1 to guide the disk D1. Both ends of the disk D1 are inserted into the main chassis 40 along the guide rail 64 of the guide member 60. At this time, the front and rear ends of the disk D1 are guided by the guide rollers 124 and 142 of the eject arm 140 and the insert arm 120, respectively.

The above process is merely a process by which the user inserts the disk D1. In this process, the first insert arm 122 is slightly rotated by the user's force, and the second insert boss 132 of the second insert arm 128 is linked to the first horizontal portion 108a in conjunction with this. Will move. In addition, the first insert arm 122 is in close contact with the disk D1 by the elastic force of the elastic member provided at one side.

When the disk D1 is inserted to the state shown in FIG. 4A, the driving motor 70 is operated by the sensor operation. By the drive of the drive motor 70, the gear train 74 is rotated by receiving power from the drive shaft 72. In addition, the drive lever 80 engaged with the gear train 74 is moved toward the inlet and outlet 41 in conjunction with the rotation of the gear train 74. The driving lever 80 is moved to move the guide plate 100.

That is, the link 90 is rotated by the link boss 92 inserted into the lever groove 84 while the driving lever 80 is moved. In conjunction with the rotation of the link 90, the guide plate 100 is moved to the left based on FIG. 4A. In addition, the insert arm 120 and the eject arm 140 are rotated in association with the movement of the guide plate 100.

First, the eject arm 140 will be described to be rotated by the guide plate 100. The eject boss 144 of the eject arm 140 is positioned and guided in the eject arm guide hole 116 of the guide plate 100. In other words, the eject boss 144 is guided along the first ejection arm guide hole 118a while the guide plate 100 is moved.

Next, the insert arm 120 looks at the rotation by the guide plate 100. The insert arm 120 is connected to be indirectly interlocked by the driving lever 80 and the guide plate 100. That is, when the driving lever 80 is moved toward the entrance and exit 41, the link 90 rotates in a clockwise direction about the link axis 90 ′ in conjunction with this. As such, when the link 90 is rotated, the guide plate 100 moves to the left direction with reference to FIG. 4A. This is achieved by the link boss 92 inserted into the interlocking hole 102 of the guide plate 100.

As such, when the guide plate 100 is moved, the second insert boss 132 positioned in the first horizontal portion 108a of the first disc guide hole 108 is guided along the first driving portion 108b. In this process, the second insert arm 128 is rotated counterclockwise, and the first insert arm 122 is rotated clockwise. The guide roller 124 of the first insert arm 122 pushes the rear end of the disk D1.

When the disc D1 is inserted to the position shown in Fig. 4B, the guide member 60, the insert arm 120, and the eject arm (guide) which guide the side end of the disc D1 for the reproduction of the disc D1 ( 140 should be spaced apart at the side of the disk D1. The above-described operation is performed by the movement of the driving lever 80 which is moved by receiving the driving force of the driving motor 70.

When the driving lever 80 is moved toward the inlet / outlet 41 at the position shown in FIG. 4B, the guide plate 100 is moved to the left based on FIG. 4B in association with the movement of the driving lever 80. . In this process, the eject arm 140 rotates clockwise to fall from the side end of the disk D1, and the insert arm 120 rotates counterclockwise to fall from the side end of the disk D1.

The guide boss 68 is moved along the guide part 112a of the guide plate 100 and caught by the stopper part 112b. In this state, when the guide plate 100 is continuously moved, the first guide member 61 is moved to the left by the force pushing the guide boss 68 to fall from the side end of the disk D1.

At the same time, the locking plate 150 moves along the locking boss 146 in association with the movement of the driving lever 80. At this time, the guide pin 65 of the second guide member 62 is pushed by the locking surface 154 of the locking plate 150 and moved to the right with reference to the drawing. In addition, the second guide member 62 is moved by the second rotating member 67 to fall off the side end of the disk (D1).

In addition, the tip of the optical pickup base 42 is raised by a separate lifting device in conjunction with the movement of the driving lever 80, and the disk D1 is seated on the turntable 46. Then, when the spindle motor 44 is rotated, the disk D1 is rotated together with the turntable 46, and the light irradiated from the optical pickup is incident on the signal recording surface of the disk D1. This state is well illustrated in FIG. 4C.

Next, the process of inserting the disk D2 will be described. 5A to 5C are plan views illustrating a process of inserting a disk having a relatively large diameter according to a preferred embodiment of the present invention.

As shown in these figures, when the disk D2 having a large size is inserted, unlike when the disk D1 is inserted, the guide member 60 is formed by the force of inserting the disk D2. It is spread in both directions while guiding both ends of D2). At this time, the disk D2 is inserted while overcoming the elastic force of the elastic member provided in the guide member 60 by the force for inserting the disk D2.

At this time, the guide boss 68 is moved along the vertical portion 52 via the parallel portion 51. Accordingly, the first guide member 61 is moved in the left direction when referring to the drawings. The second guide member 62 is moved in the right direction by the rotation of the rotating member 66.

In addition, the first insert arm 122 is rotated counterclockwise by the force for inserting the disk D2, and the second insert arm 128 is rotated clockwise in conjunction with the first insert arm 122. FIG. In the process of rotating the second insert arm 128, the second insert boss 132 is positioned on the second horizontal portion 110a through the replacement portion 109.

When the disc D2 is inserted to the position shown in FIG. 5A, the driving motor 70 is driven. The driving lever 80 is moved toward the inlet and outlet 41 by the driving motor 70, and the link 90 is rotated in the clockwise direction. In addition, the guide plate 100 is moved to the left by the rotation of the link 90. As the guide plate 100 is moved, the eject boss 144 is guided along the second ejection arm guide hole 118b and the ejector arm 140 is rotated in a clockwise direction.

Meanwhile, the second insert boss 132 of the second insert arm 128 moves along the second driving unit 110b in conjunction with the movement of the guide plate 100. In this process, the second insert arm 128 is rotated in a counterclockwise direction, and the first insert arm 122 is rotated in a clockwise direction in association with the second insert arm 128 to push the rear end of the disc D2. The disc D2 is inserted up to the position shown in FIG. 5B.

Then, when the drive lever 80 is moved toward the entrance and exit 41 in the position shown in Figure 5b, in accordance with the movement of the drive lever 80, the guide plate 100 is left on the basis of the drawings Is moved to. In this process, the eject arm 140 rotates clockwise to fall from the side end of the disk D1, and the insert arm 120 rotates counterclockwise to fall from the side end of the disk D1.

Then, the second stopper 114 is caught by the guide boss 68 by the movement of the guide plate 100 to push the guide boss 68 to the left. Then, the first guide member 61 is moved away from the disk D2 while moving in the left direction.

At the same time, the guide pin 65 of the second guide member 62 is pushed by the locking surface 154 of the locking plate 150 in association with the movement of the driving lever 80 and the right side of the drawing. Will be moved to. In addition, the second guide member 62 is moved by the rotating member 66 to be separated from the side end of the disk (D1).

In addition, the tip of the optical pickup base 42 is raised by a separate lifting device in conjunction with the movement of the driving lever 80 and the disk D1 is seated on the turntable 46. Then, when the spindle motor 44 is rotated, the disk D1 is rotated together with the turntable 46, and the light irradiated from the optical pickup is incident on the signal recording surface of the disk D1. This state is well illustrated in FIG. 5C.

On the other hand, the process of ejecting the disk is performed in the reverse order to the above-described process. That is, when the discharge signal of the disc is input, the drive motor 70 rotates the gear shaft 72 in the opposite direction as when the disc is inserted. Then, the drive lever 80 received the power from the drive motor 70 is moved in a direction away from the inlet and outlet 41, the discharge process of the disk is made. At this time, the disk is discharged by the elastic force of the elastic member provided in the guide member 60, the insert arm 120 and the eject arm 140, respectively.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and various changes and modifications can be made by those skilled in the art within the scope of the claims. It is self-evident.

1 is a perspective view showing a configuration of a disk drive according to the prior art.

Figure 2 is a plan view showing the configuration of a preferred embodiment of a disk loading apparatus of a disk drive according to the present invention.

Figure 3 is a perspective view showing the configuration of a guide plate constituting an embodiment of the present invention.

4a to 4c is a plan view showing a process of inserting a disk having a relatively small diameter according to a preferred embodiment of the present invention.

5a to 5c is a plan view showing a process of inserting a disk having a relatively large diameter according to a preferred embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

40: main chassis 42: optical pickup base

44: spindle motor 46: turntable

48: cover 50: guide ball

60: guide member 61: first guide member

62: second guide member 68: guide boss

70: drive motor 80: drive lever

82: lever groove 90: link

92: Link Boss 100: Guide plate

102: interlocking hole 106: disc guide ball

112: first stopper 114: second stopper

120: insert arm 140: eject arm

144: eject boss 150: jam plate

154: hanging surface

Claims (17)

An optical pick-up base is installed so that the tip is lifted up and provided with a driving source; Guide means installed in the main chassis so as to move in a direction perpendicular to the entry and exit direction of the disc, and for guiding the side ends of the disc; A drive lever installed to be movable in the entry / exit direction of the disc by the drive source; A guide plate mounted to the main chassis so as to be movable in a direction perpendicular to an entry and exit direction of the disc in association with movement of the drive lever; An ejector arm rotatably installed on the main chassis to guide the front end of the disk and rotate in synchronization with the movement of the guide plate; And a insert arm mounted on the main chassis rotatably in conjunction with movement of the guide plate and including an insert arm for pushing the rear end of the disk. The method of claim 1, And a cover for shielding a portion of the main chassis except for the optical pickup base. The method of claim 2, And a guide slot in which the eject boss provided in the eject arm is inserted to guide the cover to correspond to the rotational trajectory of the eject arm. The method of claim 3, wherein the guide means, A first guide member for guiding the side end of the disk and having a guide boss inserted into and guided by a guide hole formed in the cover; And a second guide member installed in parallel with the first guide member to guide the side end of the disk. The method of claim 4, wherein And the first and second guide members are spaced apart from each other by a diameter of a disk having a relatively small diameter in an initial state of the disk drive. The method of claim 3, wherein the guide hole, A parallel portion for guiding the guide boss when the disk having a relatively small diameter is entered and formed in parallel to the entry and exit direction of the disk; And a vertical portion extending from the parallel portion in a vertical direction and guiding the guide boss when a disk having a relatively large diameter is ejected. The method of claim 6, And a ejection arm guide hole formed in the guide plate for guiding the eject boss provided in the ejector arm. The method of claim 7, wherein the eject arm guide hole, A first ejection arm guide hole through which the eject boss is guided when a disc having a relatively small diameter is entered; And a second ejection arm guide hole through which the eject boss is guided when a disc having a relatively large diameter is inserted and exited. The method of claim 8, wherein the insert arm, A first insert arm rotatably installed on the main chassis, rotatably provided with a guide roller for guiding the side end of the disk, and having a first insert boss on one side; A second insert arm rotatably installed in the main chassis, having a long hole through which the first insert boss is inserted and guided, and having a second insert boss inserted and guided into a disk guide hole formed in the guide plate; Disk loading device of a disk drive, characterized in that configured to include. The method of claim 9, wherein the disc guide hole, A first disc guide hole through which the first insert boss is guided when a disc having a relatively small diameter is entered and exited; A second disc guide hole through which the second insert boss is guided when a disc having a relatively large diameter is inputted and received; And a replacement part for communicating between the first disc guide hole and the second disc guide hole. The method of claim 10, The first and second disk guide holes, First and second horizontal parts; First and second driving parts formed to be inclined with respect to a traveling direction of the first and second horizontal parts and to guide the second insert boss when the driving lever is moved by driving of the driving source; And a first and second reproducing parts extending from the first and second driving parts and separating the insert arm from the disc while the second insert boss is guided. The method according to any one of claims 3 to 11, One side of the guide means, the eject arm and the insert arm are each provided with an elastic member for providing an elastic force in the direction in close contact with the disk disk drive apparatus of the disk drive. The method of claim 12, The main chassis is provided with a link that is rotated in conjunction with the movement of the drive lever, the end of the link is provided with a link boss is inserted into the linkage hole formed in the guide plate of the disc drive device. The method of claim 13, The guide plate is provided with a stopper for preventing a disc from interfering with the disc during playback of the disc drive. The method of claim 14, wherein the stopper, A first stopper for pushing the guide boss to one side so that the first guide member is spaced apart from the disc when the disc having a relatively small diameter is reproduced; And a second stopper which pushes the guide boss to one side so that the first guide member is spaced apart from the disc when the disc having a relatively large diameter is played back. The method of claim 15, wherein the first stopper, A guide unit for guiding the movement of the guide boss; Disk loading apparatus of the disk drive, characterized in that formed on one side of the guide portion comprises a stopper for the guide boss is caught. The method of claim 16, The main chassis is provided with a locking plate which is installed to move in conjunction with the movement of the drive lever to prevent the second guide member from interfering when the disc is playing, the disc loading apparatus of the disc drive.

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