KR20100007550A - Loading apparatus for disk drive - Google Patents

Abstract

The present invention relates to a loading apparatus of a disc drive. In the present invention, one end of the optical pickup base 42 provided with the guide pin 43 is provided on the main chassis 40 provided with the driving source so as to be liftable. One side of the main chassis 40 is provided with a drive lever 80. The drive lever 80 is provided to be movable in the entry / exit direction of the disc by the drive source. The slider 100 moves in a direction perpendicular to the entry and exit direction of the disc in association with the movement of the driving lever 80. The slider 100 is provided with a lifting cam 120 for guiding the lifting of the guide pin 43. According to the present invention having such a configuration, the lifting cam 120 for elevating the tip of the optical pick-up base 42 is operated by the slider 100 performing linear reciprocating motion, and the disc is operated by the single operation of the slider 100. Since the guide means 70 can be controlled, the configuration for loading the disk is simplified and there is an advantage of reducing the unit cost.

Description

Loading apparatus for disk drive

The present invention relates to a disc drive, and more particularly, to a loading device of a disc drive for guiding movement of a disc coming into and out of a 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.

However, with the recent interest in products of monitor television integrated LCD and LCD integrated personal computer, the development of such products has been accelerated. 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.

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 display described below is a slot type method.

1 shows a perspective view of the internal structure of a disc drive according to the prior art.

As shown in this figure, 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 frames 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 lifting guide 30 has a lifting guide surface (not shown) for guiding the lifting of the guide pin 13.

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 surface 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. In conjunction with the rotation of the lifting gear 27, the lifting guide 30 is rotated counterclockwise with reference to FIG. Then, the guide pin 13 is guided by the lifting guide surface 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 disk drive according to the prior art as described above has the following problems.

In the prior art, a separate lifting guide 30 is provided to lift and lower the optical pickup base 5, thus occupying a lot of internal space of the disk drive, and the configuration for accessing and entering the disk is complicated.

SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the prior art as described above, and an object of the present invention is to provide an apparatus for loading a disc drive, which has a simplified configuration for lifting an optical pickup base.

Another object of the present invention is to provide an apparatus for loading a disc drive that raises and lowers the optical pickup base and guides the entry and exit of the disc in one configuration.

According to a feature of the present invention for achieving the above object, the present invention includes a main chassis provided with a drive source; An optical pickup base rotatably installed at the main chassis or a component fixed to the main chassis, and having one end with a guide pin; A driving lever installed at one side of the main chassis so as to be movable in the entry / exit direction of the disc by the driving source; Guide means for controlling the rotation of the disk guide means for guiding the disk is moved, provided with a lifting cam for guiding the lifting of the guide pin, moving in a direction perpendicular to the disk entry and exit direction in conjunction with the movement of the drive lever It comprises a slider formed with a guide portion.

The control lever is connected to the drive lever to move the slider by being rotated in conjunction with the movement of the drive lever.

One end of the control arm is connected to the slider to form a movement guide part for guiding the movement of the slider.

The control arm is a slider having a body portion having a rotating shaft, a drive lever connecting portion extending to one side of the body portion and connected to the driving lever, and extending to the other side of the body portion, and a driving protrusion guided to the moving guide portion. It is configured to include a connection.

The movement guide part includes an entrance part formed parallel to the moving direction of the slider, and a driving inclination part inclined so as to be close to the driving lever at one end of the entrance part.

The guide means guide part is formed in communication with the guide means moving part for moving the guide protrusion provided in the disk guide means when the disk is inserted and exit, and the disk guide means selectively hangs according to the diameter of the disk. The paper comprises a first path portion and a second path portion.

The elevating cam has a horizontal guide portion parallel to the moving direction of the slider, an elevating guide portion extending inclined to approach the disk at one end of the horizontal guide portion, and the elevating guide portion opposite to the elevating guide portion so as to move away from the disk at one end of the elevating guide portion. It comprises an actuating part extending in the direction.

The slider is provided with at least one movement guide portion extending in parallel with the movement direction of the slider, the main chassis is provided with a projection for guiding the movement direction of the slider.

According to the present invention, the elevating cam for elevating the tip of the optical pick-up base is provided on one side of the slider for linear reciprocating motion, and thus does not require a separate installation space, which is advantageous in securing an installation space for other components.

Further, the tip of the optical pickup base can be raised and lowered by a slider moving in a direction perpendicular to the entry and exit direction of the disc, and at the same time, the disc guide means for guiding the entry and exit of the disc can be controlled. That is, since a single operation of the slider can perform a complex function, the configuration for loading the disk is simplified and the cost of parts can be reduced.

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

2 is a perspective view showing the configuration of a preferred embodiment of a disk drive loading apparatus according to the present invention, Figure 3 is a perspective view of the slider and the optical pickup base in an embodiment of the present invention, Figures 4 to 6 is a perspective view, a plan view, and a perspective view, respectively, of an optical pickup base, a control arm, and a slider constituting an embodiment of the present invention.

As shown in these figures, the entire skeleton of the disc drive is formed by a metal main chassis 40. The main chassis 40 is provided with a driving source (not shown) required for the operation of the disk drive.

In addition, the main chassis 40 is provided with a cover plate 41 formed to open at one side. The cover plate 41 is formed with a guide slit 41 'at a position corresponding to the guide protrusion 75 of the guide arm 74 to be described below. The guide slit 41 'forms a predetermined arc shape around the rotation axis 74' of the guide arm 74. As shown in FIG. The guide slit 41 'guides the movement of the guide protrusion 75 together with the second guide means guide portion 140 to be described below. The cover plate 41 is a part fixed to the main chassis 40.

An optical pick-up base 42 is installed at an open portion of the cover plate 41 in the main chassis 40. The other end of the optical pickup base 42 is rotatably connected to the main chassis 40 or the cover plate 41 so that the tip thereof is lifted with respect to the main chassis 40 and the cover plate 41. do. The optical pickup base 42 is rotatably installed on the main chassis 40 or a part fixed to the main chassis 40. 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.

A guide pin 43 is provided at the tip of the optical pickup base 42 (see FIG. 4). The guide pin 43 is formed to protrude toward the slider 100 to be described below. The guide pin 43 is guided by the lifting cam 120 provided in the slider 100 to serve to elevate the optical pickup base 42.

A spindle motor 44 for rotating the disk is installed at 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. The disk is mounted on the top surface of the turntable 46 to rotate together with the turntable 46.

The optical pickup base 42 is provided with an optical pickup (not shown) to perform a 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.

On the other hand, a guide rail 50 is installed on one side of the main chassis 40. The guide rail 50 is formed long in the direction of entry and exit of the disk to guide the disk. The guide rail 50 is installed to be movable in the direction perpendicular to the entry and exit direction of the disk in the main chassis 40. This is to guide disks of various sizes. And, one side of the guide rail 50 is provided with an elastic member (not shown) for providing an elastic force in the direction in which the guide rail 50 is in close contact with the disk.

On the other side of the main chassis 40, the guide lever 60 is rotatably installed. The guide lever 60 is connected to the insert arm 62 by a pin 60 '. A roller 62 'is rotatably provided at the tip of the insert arm 62. As shown in FIG. The guide lever 60 or the insert arm 62 is provided with an elastic member (not shown) to provide an elastic force in the direction in which the insert arm 62 is in close contact with the disk. The roller 62 'of the insert arm 62 is in close contact with the disc to guide the entry and exit of the disc.

In addition, at least one disc guide means 70 is installed in the main chassis 40. The disk guide means 70 serves to guide the side ends of the disk when the disk is loaded and unloaded. In the present embodiment, the disk guide means 70 includes an eject arm 72 and a guide arm 74.

A rotation shaft 72 ′ is provided at a position away from the rear end of the eject arm 72 by a predetermined distance. One side of the eject arm 72 is provided with an elastic member (not shown) that provides an elastic force in the direction in which the eject arm 72 is in close contact with the disk. The eject arm 72 serves to discharge the disk to the outside of the main chassis 40. The ejector arm 72 may draw out the disk only by the elastic force of the elastic member, but may be rotated by the driving lever 80 to be described below according to design conditions to draw out the disk.

For example, the eject arm 72 may be guided to the side end of the disk by selectively rotating in conjunction with the movement of the drive lever 80. In more detail, the rear end of the ejector arm 72 is selectively connected to the driving lever 80 so that the driving lever 80 is closer to the front end of the main chassis 40, that is, to the inlet and outlet of the disk. When the drive lever 80 is not affected by the movement of the drive lever 80, the drive lever 80 moves closer to the rear end of the main chassis 40, that is, when the drive lever 80 moves away from the inlet and outlet of the disc. The disk is rotated in the direction of withdrawing the disk in conjunction with the movement of the < RTI ID = 0.0 >

In addition, the ejection arm 72 is provided with a guide protrusion 73 moving in the first guide means guide portion 130 to be described below to protrude toward the slider 100. (See FIGS. 7A to 7C. The guide protrusion 73 moves inside the first guide means guide part 130 according to the rotation of the ejector arm 72. The guide protrusion 73 moves to the first path portion 130b or the second path portion 130c which will be described below according to the size of the disc to be inserted. In more detail, when the disk having a diameter of 8 cm is inserted, the guide protrusion 73 moves to the first path portion 130b, and when the disk having a diameter of 12 cm is inserted, the guide protrusion 73 is inserted. The second arm 130c moves to the second path part 130c to set the position of the eject arm 72. When the guide protrusion 73 is located in the first path portion 130b or the second path portion 130c, the eject arm 72 is separated from the disk and does not interfere with the rotation of the disk.

The guide arm 74 serves to guide the side end of the disk together with the eject arm 72. The rear end of the guide arm 74 is provided with a rotating shaft 74 '. The guide arm 74 is rotated about the rotation shaft 74 'when the disk is loaded and unloaded. And, one side of the guide arm 74 is provided with an elastic member (not shown) for providing an elastic force in the direction in which the guide arm 74 is in close contact with the disk.

The guide arm 74 is provided with a guide protrusion 75 moving inside the second guide means guide portion 140 to be described below to protrude toward the slider 100 (see FIGS. 7A to 7C). The guide protrusion 75 sequentially penetrates the guide slit 41 ′ of the cover plate 41 and the second guide means guide part 140.

The guide protrusion 75 moves along the guide slit 41 ′ and the second guide means guide portion 140 formed in the cover plate 41 when the disk is inserted and exited to guide the rotation of the guide arm 74. do. Since the guide protrusion 75 of the guide arm 74 is similar in function to the guide protrusion 73 of the eject arm 72, a detailed description thereof will be omitted.

A drive lever 80 is installed in the main chassis 40 so as to be movable in the disc entry / exit direction (see FIGS. 7A to 7C). One side of the drive lever 80 is engaged with a gear train (not shown). The driving force by the driving source is received.

In this embodiment, the drive lever 80 is moved in a direction approaching the front end of the main chassis 40 when the disk is loaded, the direction is closer to the rear end of the main chassis 40 when the disk is unloaded Is moved to. As described above, the ejection arm 72 may be selectively connected to the rear end of the driving lever 80.

On the other hand, the main chassis 40, as shown in Figure 5, the control arm 90 is provided rotatably. One end of the control arm 90 is connected to the rear end of the driving lever 80, and the other end of the control arm 90 is connected to the slider 100. The body portion 92 of the control arm 90 is provided with a rotation shaft 92 ′ forming a center of rotation of the control arm 90. One end of the control arm 90 is provided with a driving lever connecting portion 94 connected to the rear end of the driving lever 80. The driving lever connecting portion 94 generates a rotational force of the control arm 90 in conjunction with the movement of the driving lever 80.

The other end of the control arm 90 is provided with a slider connecting portion 96 connected to the slider 100. The driving protrusion 98 is formed to protrude toward the slider 100 at the tip of the slider connecting portion 96. The driving protrusion 98 is inserted into the movement guide part 110 to be described below. The driving protrusion 98 moves within the movement guide part 110 by the rotation of the control arm 90 and serves to move the slider 100.

The slider 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. 6 shows the configuration of the slider 100 in detail. The skeleton of the slider 100 is formed by a slider body 102 on a plate. The slider body 102 is formed with a plurality of movement guides (104). The movement guide part 104 is formed long in the direction perpendicular to the entry and exit direction of the disk. The movement guide part 104 is provided with a protrusion 104 'provided in the main chassis 40 or the cover plate 41 to guide the movement of the slider 100. (See FIGS. 7A to 7C). The movement guide part 104 serves to guide the slider 100 to move in a direction perpendicular to the entry and exit direction of the disc.

The slider body 102 is provided with a movement guide portion 110. The driving guide 98 of the control arm 90 is inserted into the movement guide part 110. The driving guide part 110 includes a driving part 110a which is inclined to be close to the driving lever 80 at one end of the entry part 110a and the one end of the entrance part 110a which are formed parallel to the moving direction of the slider 100. 110b is formed. That is, the driving inclination part 110b may extend vertically from the entrance part 110a, but is preferably formed to be inclined closer to the driving lever 80 as it moves away from the entrance part 110a. This is because the driving inclination part 110b is formed to be close to the driving lever 80, so that the moving distance of the slider 100 linked to the rotation of the control arm 90 may be increased.

The entry part 110a does not affect the rotation of the control arm 90 to provide a clearance to the rotation of the control arm 90. However, when the driving protrusion 98 enters the driving inclination part 110b, the driving protrusion 98 moves in close contact with the driving inclination part 110b and moves the slider 100 to the driving lever 80. Push it away from That is, the slider 100 is moved when the driving protrusion 98 moves in close contact with the driving tilting part 110b according to the rotation of the control arm 90.

Then, the lifting cam 120 is provided on one side of the slider body 102 adjacent to the guide pin 43. The guide pin 43 is inserted into the lifting cam 120 to be guided. That is, when the slider 100 moves while the guide pin 43 is inserted into the lifting cam 120, the guide pin 43 is lifted along the path formed on the lifting cam 120. .

The lifting cam 120 includes a horizontal guide part 120a parallel to the moving direction of the slider 100, and a lifting guide part 120b extending inclined to approach the disk at one end of the horizontal guide part 120a. And, it comprises an operating portion (120c) extending in the opposite direction of the elevating guide portion 120b so as to move away from the disk at one end of the elevating guide portion (120b).

Before the disc is inserted, the guide pin 43 is positioned in the horizontal guide portion 120a. The lifting guide part 120b serves to elevate the guide pin 43 as the slider 100 moves. The elevating guide portion 120b extends to a height at which the disk is seated on the turntable 46. The operation unit 120c serves to lower the optical pick-up base 42 that is raised for chucking the disk.

Meanwhile, guide means guide parts 130 and 140 are formed in the slider body 102. In the present embodiment, the guide means guide parts 130 and 140 are the first guide means guide part 130 for controlling the rotation of the eject arm 72 and the second guide means guide for controlling the rotation of the guide arm 74. It is configured to include a portion 140. The guide means guide parts 130 and 140 are configured to control the operations of the eject arm 72 and the guide arm 74, respectively, and thus have similar functions and functions, so that the guide means guide parts related to the eject arm 72 ( 130 only.

The ejector arm 72 receives an elastic force in a direction in which the ejector arm is in close contact with the disc by the elastic member. The guide means guide unit 130 has the ejector arm 72 rotated by the insertion of the disc. Serves to separate them.

The guide protrusion 73 of the eject arm 72 is inserted into the guide means guide portion 130. The guide means guide portion 130 is formed in communication with the guide means moving portion (130a) and the guide means moving portion (130a) to move the guide projection 73 of the eject arm 72 when the disk is ejected and It comprises a first path portion 130b and a second path portion 130c formed at different distances from the lifting cam 120, respectively.

The guide means guide portion 130 is a space in which the guide protrusion 73 of the eject arm 72 moves when the eject arm 72 rotates due to the ejection of the disk. The degree of rotation of the eject arm 72 is different depending on the diameter of the disc to be inserted. When the disc of 8 cm is inserted and rotated, the guide protrusion 73 of the eject arm 72 is formed of the first path part 130b. The guide protrusion 73 of the eject arm 72 is positioned on the extension line of the second path part 130c when the disc of 12 cm is inserted and rotated. In this state, when the slider 100 moves away from the driving lever 80, the guide protrusions 73 are moved to the first path part 130b or the second path part 130c, respectively. The eject arm 72 is to be walked. That is, when the eject arm 72 is walked on the first path part 130b or the second path part 130c as described above, the eject arm 72 maintains a state spaced apart from the disk by a predetermined distance. It does not interfere with the disk at the time of rotation.

When the slider 100 is moved in the opposite direction, the guide protrusion 73 of the eject arm 72 is removed from the first path portion 130b or the second path portion 130c, and the eject arm 72 is removed. ) Rotates in the direction in which the disc is drawn out by the elastic member.

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

7A to 7C, the operation process of the slider in the embodiment of the present invention is shown in a state diagram, and in FIG. 8, the schematic process of guiding the guide pin by the lifting cam is shown in the embodiment of the present invention. .

First, the process of inserting the disc will be described. When the disc is guided by the guide rail 50 and the insert arm 62 and inserted into the main chassis 40, the disc guide means 70, that is, the eject arm 72 and the guide arm 74. ) Will overcome the elastic force and rotate.

In this case, the guide protrusion 73 of the eject arm 72 moves in the guide means moving part 130a to extend the line of the first path part 130b or the second path part 130c according to the size of the disc. It is located in the phase.

On the other hand, as shown in Figure 7a, before the disc is inserted, the slider 100 is located close to the drive lever 80, the drive projection 98 of the control arm 90 is the movement guide portion ( It is located at the entry portion 110a of the 110.

When the disc is inserted in such a state, as shown in FIG. 7B, the driving lever 80 moves in a direction close to the front end of the main chassis 40, and the control arm 90 moves the driving lever. It rotates in conjunction with the movement of 80. At this time, the driving protrusion 98 of the control arm 90 is rotated in a direction away from the driving lever 80 by the rotation of the control arm 90 driving inclination portion 110b of the moving guide portion 110. Will be entered.

In this state, when the driving lever 80 continues to move, the control arm 90 continues to rotate, and the driving protrusion 98 is brought into close contact with the driving inclination part 110b, and thus the entry part 110a. Moving in the direction away from the slider 100 is moved in a direction away from the drive lever (80).

As the slider 100 is moved in a direction perpendicular to the entry and exit direction of the disc, the guide protrusion 73 of the ejector arm 72 moves from the guide means moving part 130a to the first path part 130b or the second. The path portion 130c is moved. For example, when the diameter of the disk is 8 cm, the guide protrusion 73 is moved to the first path part 130b. When the diameter of the disc is 12 cm, the guide protrusion 73 is the second path part. Is moved to 130c. Since the guide arm 74 also operates by the same process as the eject arm 72, the description thereof is omitted.

When the disk is inserted as described above, the eject arm 72 and the guide arm 74 are fixed at a position spaced apart from the disk by the slider 100. This state is well illustrated in FIG. 7C.

As the slider 100 is moved, the guide pin 43 provided in the optical pick-up base 42 moves in the lifting cam 120, as shown in FIG. 8. In more detail, the guide pin 43 is positioned in the lifting guide part 120b in the horizontal guide part 120a of the lifting cam 120 as the slider 100 moves. When the slider 100 continuously moves and the guide pin 43 rises along the lifting guide part 120b, the tip of the optical pickup base 42 also rises at the same time. When the guide pin 43 reaches the top of the elevating guide portion 120b, the disk is seated on the turntable 46, and the guide pin 43 is lowered along the operating portion 120c again.

Next, the process of ejecting the disk will be described. When the disk eject signal is transmitted to the disk drive, the driving lever 80 moves in a direction closer to the rear end of the main chassis 40. The control arm 90 is rotated in conjunction with the movement of the drive lever 80, the driving protrusion 98 of the control arm 90 is moved in the opposite direction as when the disc is inserted to move the slider 100. The driving lever 80 is moved in a direction approaching.

When the slider 100 moves in the opposite direction as the disc is inserted, the guide protrusion 73 of the eject arm 72 moves in the first path portion 130b or the second path portion 130c. The guide means moving unit 130 is located. As such, when the guide protrusion 73 is removed from the first path part 130b or the second path part 130c, the constraint of the eject arm 72 is released, and the elastic part provided in the eject arm 72 is removed. By the elastic force of the member, the eject arm 72 rotates in the direction of pushing the disk. However, when the rear end of the eject arm 72 is selectively connected to the driving lever 80 according to a design condition, the eject arm 72 may rotate in conjunction with the movement of the driving lever 80. In this case, the guide arm 74 provided at a position that cannot be connected to the driving lever 80 rotates only by the elastic force of the elastic member to guide the withdrawal of the disk.

On the other hand, when the slider 100 is moved, the guide pin 43 is also guided in the opposite direction as when the disc is inserted by the lifting cam 120 to lower the optical pickup base 42.

As described above, according to the present invention, the slider 100 raises and lowers the tip of the optical pickup base 42 and controls the movement of the disc guide means 70 to guide the entry and exit of the disc. That is, the present invention has the advantage of simplifying the assembly process and reducing the unit cost compared to installing each of the separate components for performing such a function.

The scope of the present invention is not limited to the embodiments described above, but is 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 the configuration of a disk drive according to the prior art.

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

Figure 3 is a perspective view showing the configuration of the slider and the optical pickup base in an embodiment of the present invention.

4 is a perspective view showing an optical pickup base constituting an embodiment of the present invention.

5 is a plan view showing a control arm constituting an embodiment of the present invention.

6 is a perspective view showing a slider constituting an embodiment of the present invention.

7a to 7c is a state diagram showing the operation of the slider in the embodiment of the present invention.

8 is an explanatory view schematically showing a process in which the guide pin is guided by the lifting cam in the embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

40: main chassis 41: cover plate

42: optical pick-up base 43: guide pin

44: spindle motor 46: turntable

50: guide rail 60: guide lever

62: insert arm 70: disc guide means

72: ejector arm 74: guide arm

80: drive lever 90: control arm

92: body portion 92 ': rotation axis

94: drive lever connection 96: slider connection

98: driving protrusion 100: slider

102: the slider body 104: movement guide

110: moving guide portion 110a: entry portion

110b: driving tilt unit 120: elevating cam

120a: horizontal guide part 120b: elevating guide part

120c: operating unit 130: guide means guide unit

130a: guide means moving unit 130b: first path portion

130c: second path part

Claims (8)

A main chassis provided with a driving source; An optical pickup base rotatably installed at the main chassis or a component fixed to the main chassis, and having one end with a guide pin; A driving lever installed at one side of the main chassis so as to be movable in the entry / exit direction of the disc by the driving source; Guide means for controlling the rotation of the disk guide means for guiding the disk is moved, provided with a lifting cam for guiding the lifting of the guide pin, moving in a direction perpendicular to the disk entry and exit direction in conjunction with the movement of the drive lever And a slider including a guide portion formed therein. The disk drive loading apparatus of claim 1, wherein a control arm for moving the slider is connected to the driving lever by being rotated in association with the movement of the driving lever. The device of claim 2, wherein the slider has a movement guide part connected to one end of the control arm to guide the movement of the slider. The method of claim 3, wherein the control arm, A body having a rotating shaft, A driving lever connection part extending to one side of the body part and connected to the driving lever; And a slider connection part extending to the other side of the body part and having a driving protrusion guided by the moving guide part. The method of claim 4, wherein the moving guide portion, An entrance part formed parallel to the moving direction of the slider, And a driving inclined portion extending inclined to approach the driving lever at one end of the entry portion. The guide means guide unit according to any one of claims 1 to 5, A guide means moving unit for moving the guide protrusion provided in the disc guide means when the disc is input and output; And a first path portion and a second path portion which are formed to communicate with the guide means moving portion, and wherein the disc guide means is selectively walked in accordance with the diameter of the disc. The method of claim 6, wherein the lifting cam, A horizontal guide part parallel to the moving direction of the slider, An elevating guide part extending inclined to approach the disk at one end of the horizontal guide part; And an actuating part extending in an opposite direction to the lifting guide part so as to move away from the disc at one end of the lifting guide part. The disk drive according to claim 7, wherein the slider has at least one moving guide extending in parallel with the moving direction of the slider, and the main chassis has a projection for guiding the moving direction of the slider. Of loading device.

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