KR100281998B1 - Disc Player Loading Structure - Google Patents

Abstract

The present invention is to improve the productivity by reducing the number of parts and the assembly process required for lifting the clamp and roller.

The present invention for this purpose, the loading motor 140, the rotating lever 150, the interlocking lever 160, the clutch lever 170, the moving plate 180, the rotating holder 190, all the drive unit 130 Installed to perform the operation of chucking and withdrawing the disk 120 to the turntable 134, by using only one moving plate 180 and fixing the drive unit 130 by using the rotation holder 190 The productivity can be improved by reducing the number of parts and the assembly process.

Description

Disc Player Loading Structure

The present invention relates to a loading structure of a disc player, and in particular, by installing a loading motor and a moving plate in a drive unit to operate a roller and a clamp, thereby reducing the number of parts and an assembly process required for lifting the clamp and the roller, thereby improving productivity. To a loading structure of a disc player.

Top and side views of a typical disc player are shown schematically in FIGS. 1 and 2.

This disc player is installed in a chassis 10 having a drive unit 30 having a turntable 34 for rotating the disc 20 and an optical pickup actuator 32 for reproducing the disc 20. . The drive unit 30 is supported by the chassis 10 by a plurality of dampers 38, and a plurality of locking shafts 36 protrude toward the chassis 10 on both sides.

In addition, a roller 60 for transferring the disk 20 to the turntable 34 on the upper side of the drive unit 30 is rotatably supported by the chassis 10 so as to be engaged with the second interlocking gear group 64. It is installed in the copper plate 62. The fixed shaft 66 is fixed to the side of the first rotating plate 62 toward the chassis 10.

In addition, a clamp 70 for pressing the disk 20 to the turntable 34 and a second rotating plate 72 on which the clamp 70 is supported are rotatably installed in the drive unit 30. The support shaft 74 protruding toward the chassis 10 is fixed to the second pivot plate 72.

On the other hand, at the bottom of the chassis 10 is a loading motor 40 having a worm gear 42 engaged with the second interlocking gear group 64 and a first interlocking gear group 44 engaged with the worm gear 42. 10) is installed on. In addition, a plate 82 for rotating the driven gear of the first interlocking gear group 44 to one side and a solenoid 80 for rotating the plate 82 are provided.

And the moving plate 50 which has the rack gear 52 meshed with the 1st interlocking gear group 44 by the action of the plate 82 is supported by the inner surface of both chassis 10, respectively. The moving plate 50 includes an inclined groove 54 in a direction of lowering the fixed shaft 66 when the disk 20 is loaded, an inclined surface 56 in a direction of lowering the support shaft 74, and a drive unit. A plurality of fixing grooves 58 for preventing the flow of the locking shaft 36 fixed to the 30 is formed, respectively.

In addition, a locking plate 90 capable of holding the locking shaft 36 together with the moving plate 50 is fixed to the chassis 10.

Hereinafter, the loading operation of the disc player having the above structure will be described.

First, when the disk 20 is inserted into the upper side of the roller 60, the loading motor 40 rotates to rotate the roller 60 through the worm gear 42 and the second interlocking gear group 64, the disk 20 Is moved above the turntable 34.

Accordingly, as the optical pickup actuator 32 detects that the disk 20 is located at the chucking position, the control unit operates the solenoid 80 to rotate the plate 82, thereby racking the second interlocking gear group 64. It meshes with the gear tooth 52. Accordingly, as the moving plate 50 moves horizontally, the inclined groove 54 formed in the chassis 10 lowers the fixed shaft 66 to lower the first pivot plate 62 and the roller 60, and the inclined surface ( 56 lowers the support shaft 74 to lower the second pivoting plate 72 and the clamp 70 to seat the disk 20 on the turntable 34.

At the same time, the fixing groove 58 is disengaged from the locking shaft 36, and the locking plate 90 releases the locking shaft 36 so that the drive unit 30 is movable to the chassis 10 only by the damper 38. Supported. The damper 38 attenuates vibrations transmitted from the outside.

Therefore, the drive unit 30 rotates the turntable 34 to rotate the disk 20, and the optical pickup actuator 32 reproduces the information recorded on the disk 20. FIG.

On the other hand, when withdrawing the disk 20, the loading motor 40 is rotated in the reverse direction to move the moving plate 50 through the first interlocking gear group 44 in the opposite direction as when loading the disk 20. Accordingly, the inclined groove 54 and the inclined surface 56 raise the fixed shaft 66 and the support shaft 74, respectively, to release the clamp 70 from the disk 20, and the roller 60 is the disk 20. To increase.

In addition, the fixing groove 58 of the moving plate 50 is coupled to the locking shaft 36 and the locking plate 90 holds one fixing groove 58 to fix the drive unit 30.

At this time, since the roller 60 is always rotated by the second interlocking gear group 64, the roller 60 is discharged immediately after the disk 20 is raised.

However, in the conventional loading structure, the moving plate 50 is provided on both sides of the chassis 10 to lift and lower the roller 60 and the clamp 70, and the locking plate ( 90) and so on. Therefore, the conventional loading structure has a problem that the productivity is low because the number of parts is excessive and the assembly process is complicated accordingly.

The present invention has been made to solve the above problems, an object of the present invention is to improve the productivity by reducing the number of parts and assembly process required for lifting the clamp and roller.

1 is a schematic top view of a conventional disc player.

FIG. 2 is a side schematic view of the disc player shown in FIG. 1; FIG.

3 is a schematic top view of a disc player according to an embodiment of the present invention;

4 is a side schematic view of the disc player shown in FIG. 3;

5 and 6 are side schematic views showing an operating state of the disc player shown in FIG.

<Explanation of symbols for main parts of drawing>

110: chassis 120: disk

130: drive unit 132: optical pickup actuator

134: turntable 136: first fixed shaft

137: second fixed shaft 138: third fixed shaft

140: loading motor 142: central shaft gear

144: interlocking gear group 150: pivoting lever

152: central axis 154: protrusion

156: long hole 160: interlocking lever

162: protrusion 170: clutch lever

172: first rack gear 174: bending man

176: center hole 180: moving plate

182: second rack gear 184: inclined groove

186: slope 190: rotation holder

192: roller 194: shaft gear

196: transmission gear 197: jamming

198: Jam Jaw 200: Clamp

202: rotating plate 204: support lever

The present invention for achieving the above object is a disc player having a drive unit installed in the chassis having a turntable and an optical pickup actuator, a rotating plate installed in the drive unit and supported by a clamp for pressing the disc to the turntable. In; A rotation lever installed above the drive unit and pivoted in a horizontal direction by insertion of the disk; An interlocking lever installed on one side of the drive unit and pivoted in a vertical direction by the rotation of the pivoting lever; A clutch lever installed horizontally on one side of the drive unit and pivoted by the interlocking lever and having a first rack gear; A moving plate installed horizontally on one side of the drive unit and having a second rack gear, an inclined groove, and an inclined surface in which teeth overlap in some sections with the first rack gear; A support lever formed below the rotation lever and supported on the inclined surface; A loading motor installed in the drive unit; A central shaft gear axially supported by the drive unit and engaged with the loading motor; A second interlocking gear group axially supported by the drive unit and meshed with the central shaft gear and meshed with the first rack gear and the second rack gear; A rotation holder fixed to the center shaft gear to be rotatable and interlocked with the center shaft gear to support the roller for conveying the disk on one side, and having a locking protrusion and a locking jaw coupled to the inclined groove on the other side; And a fixing hole formed at a bottom surface of the chassis to which the locking jaw is coupled.

This loading structure is such that when the disc is inserted into the upper side of the drive unit, the disc rotates the pivoting lever to rotate the interlocking lever, and the interlocking lever is pivoted and the clutch lever rotates so that the first rack gear is engaged with the interlocking gear group. The first rack gear is horizontally transferred and the moving plate is moved so that the second rack gear is engaged with the interlocking gear group. Accordingly, the moving plate is horizontally transferred, and the rotating holder is rotated to the inclined groove to lower the roller, and the clamp is lowered to the inclined surface to seat the disk on the turntable.

As described above, the loading structure of the present invention is to install the loading motor, the rotation lever, the interlock lever, the clutch lever, the moving plate, and the rotation holder to the drive unit to perform the operation of chucking the disc to the turntable. By using it and fixing the drive unit using the rotation holder, it is possible to improve productivity by reducing the number of parts and the assembly process.

Hereinafter, a preferred embodiment according to the present invention will be described to facilitate implementation of the present invention.

3 and 4 show schematic plan and side views of a disc player according to the present invention, respectively.

As shown in this figure, the present embodiment is installed in the chassis 110 and has a drive unit 130 having a turntable 134 and an optical pick-up actuator 132, and a drive unit 130 and a disk 120. ) Is applied to a disc player provided with a rotating plate 202 supported by a clamp 200 for pressing the turntable 134.

The rotation lever 150 which is rotated in the horizontal direction by installing the disk 120 is installed above the drive unit 130. The pivoting lever 150 forms a long hole 156 on the protruding piece 154 in contact with the disk 120, the central axis 152 serving as the rotational center, and the other side of the protruding piece 154.

Then, the interlocking lever 160 which is rotated in the vertical direction by the rotation of the pivoting lever 150 is installed on one side of the drive unit 130. The interlock lever 160 rotates about the third fixed shaft 138 fixed to the drive unit 130, and forms a protrusion 162 coupled to the long hole 156 on the upper side.

In addition, the clutch lever 170, which is rotated by the interlocking lever 160, is installed on one side of the drive unit 130 so as to be horizontally transported. The clutch lever 170 forms a first rack gear 172, and forms a bending hole 174 having vertical and horizontal portions and a central length hole 176 of a horizontal portion in the center of rotation.

Together with the clutch lever 170, the moving plate 180 is installed on one side of the drive unit 130 to be horizontally transported. In the moving plate 180, the second rack gear 182, the inclined groove 184, and the inclined surface 186 overlapping the teeth of the first rack gear 172 and some sections are formed, and the bending hole 174 is formed. And a first fixed shaft 136 and a second fixed shaft 137 coupled to the central long hole 176, respectively.

The support lever 204 supported by the inclined surface 186 is formed below the rotation lever 150.

On the other hand, the loading motor 140 is installed in the drive unit 130, and the central shaft gear 142 meshed with the loading motor 140 is axially supported by the drive unit 130, and the central shaft gear 142 is mounted on the driving unit 130. The second interlocking gear group 144 meshed with the first rack gear 172 and the second rack gear 182 is axially supported by the drive unit 130.

In addition, a rotation holder 190 is rotatably fixed to the central shaft gear 142, and the roller 192 for axially supporting the transmission gear 196 to the rotation holder 190 and conveying the disk 120. Support the shaft. The shaft gear 194 is formed on one side of the roller 192 to be engaged with the transmission gear 196. And on the other side of the rotation holder 190 is formed a locking projection 197 coupled to the inclined groove 184.

A locking jaw 198 is formed at one end of the pivot lever 150 and a fixing hole 112 is formed at the bottom of the chassis 110 to which the locking jaw 198 is coupled.

Hereinafter, the operation of the disc player having the above configuration will be described.

An operation of inserting the disk 120 will be described with reference to FIGS. 3 to 6.

When the disk 120 is inserted above the drive unit 130, the disk 120 pushes the protruding piece 154 and the pivoting lever 150 rotates clockwise with reference to FIG. 3 about the central axis 152. Rotate to Accordingly, the interlock lever 160 rotates counterclockwise with reference to FIG. 4 based on the third fixing shaft 138 by the protrusion 162 coupled to the long hole 156.

Accordingly, one end of the interlocking lever 160 rotates one end of the clutch lever 170 downward so that the first rack gear 172 engages with the interlocking gear group 144, so that the first rack gear 172 ) Rotates clockwise around the second fixed shaft 137 as shown in FIG. 5.

Accordingly, the first rack gear 172 is engaged with the interlocking gear group 144 so that the clutch lever 170 is moved to the left side, and the first fixed shaft 136 is horizontally deviated from the vertical portion of the bending hole 174. Since it is located in the portion, the first fixed shaft 136 and the second fixed shaft 137 slide in the bending hole 174 and the horizontal long hole 156, respectively, so as not to interfere with the movement of the clutch lever 170.

When the clutch lever 170 is moved to some extent in this manner, the right ends of the bending long hole 174 and the horizontal long hole 156 pull the first fixed shaft 136 and the second fixed shaft 137, respectively, to form a moving plate ( 180 is moved to the left to some extent, and then the second rack gear 182 is engaged with the interlocking gear group 144 so that the moving plate 180 continues to move to the left.

At this time, the inclined groove 184 formed in the moving plate 180 pushes up the locking protrusion 197 to rotate the rotation holder 190 counterclockwise with reference to FIG. 6, so that the roller 192 is removed from the disk 120. Let go. At the same time, the locking jaw 198 formed at the end of the rotation holder 190 is lifted out of the fixing hole 112 of the chassis 110, so that the drive unit 130 is free. The drive unit 130 is movably supported by the chassis 110 only by the damper 38 shown in FIG. 1, and the damper 38 attenuates vibrations transmitted from the outside.

In addition, the inclined surface 186 formed on the moving plate 180 moves away from the support lever 204 supported by the rotating plate 202 and lowers the rotating plate 202 so that the clamp 200 presses the disk 120 to turn the turntable. Seated at (134). Accordingly, the drive unit 130 rotates the turntable 134 to rotate the disc 120, and the optical pickup actuator 132 reproduces the information recorded on the disc 120.

On the other hand, when withdrawing the disk 120, the loading motor 140 is rotated in the reverse direction to move the moving plate 180 in the opposite direction when loading the disk 120 through the interlocking gear group 144. . Accordingly, the inclined groove 184 rotates the rotation holder 190 in the clockwise direction, the inclined surface 186 raises the support lever 204 to release the clamp 200 from the disk 120, the roller 192 Raises the disk 120.

In addition, the locking jaw 198 of the rotation holder 190 is coupled to the fixing hole 112 of the chassis 110, thereby preventing the flow of the drive unit 130. In this case, since the roller 192 is always rotated in association with the central shaft gear 142, the transmission gear 196, and the shaft gear 194, the roller 192 is immediately discharged after raising the disk 120.

The present invention made clear by the above embodiment, the driving motor 140, the rotation lever 150, the interlock lever 160, the clutch lever 170, the moving plate 180, the rotation holder 190 all drive It is installed in the unit 130 to perform the operation of chucking and withdrawing the disk 120 to the turntable 134, using only one moving plate 180 and using the rotation holder 190 drive unit ( By fixing 130, productivity can be improved by reducing the number of parts and the assembly process.

Claims (2)

A drive unit 130 installed in the chassis 110 and having a turntable 134 and an optical pickup actuator 132, a clamp installed in the drive unit 130 and pressing the disk 120 to the turntable 134 ( A disc 120 player provided with a rotating plate 202 supported thereon; A rotation lever (150) installed above the drive unit (130) and rotated in a horizontal direction by insertion of the disk (120); An interlock lever 160 installed on one side of the drive unit 130 and rotated in a vertical direction by the rotation of the pivot lever 150; A clutch lever 170 installed horizontally on one side of the drive unit 130 and pivoted by the interlocking lever 160 and having a first rack gear 172; The second rack gear 182, the inclined groove 184, and the inclined surface 186, which are installed on one side of the drive unit 130 so as to be horizontally transported, and whose teeth overlap in some sections with the first rack gear 172. Moving plate 180 having a); A support lever 204 formed below the rotation lever 150 and supported by the inclined surface 186; A loading motor 140 installed in the drive unit 130; A central shaft gear 142 axially supported by the drive unit 130 and engaged with the loading motor 140; A second interlocking gear group 144 axially supported by the drive unit 130 and meshed with the central shaft gear 142 and meshed with the first rack gear 172 and the second rack gear 182; The roller 192, which is rotatably fixed to the central shaft gear 142 and interlocked with the central shaft gear 142 to transfer the disk 120, is axially supported on one side and coupled to the inclined groove 184. A rotation holder 190 having the locking protrusion 197 and the locking jaw 198 formed at the other side; And And a fixing hole (112) formed on a bottom surface of the chassis (110) to which the engaging jaw (198) is coupled. The method of claim 1, wherein the clutch lever 170, A bending hole 174 having vertical and horizontal portions and a central hole 176 of a horizontal portion are formed in the center region of rotation; The moving plate 180, And a first fixed shaft (136) and a second fixed shaft (137) coupled to the bending long hole (174) and the central long hole (176), respectively.