KR100649747B1 - A disk loading device of compact disk player - Google Patents

Abstract

The present invention is characterized in that, among the gear units for transmitting the rotational force of the drive motor to the roller unit and the clamping unit, the common gears to be engaged with the drive motor, and some roller gears and rod gears meshing with the common gear, The reliability of the power transmission and the durability thereof are improved and the driving motor is disposed inside the main body to secure the design freedom in front of the main body to make the overall size of the player slim and to operate according to the size of the disc on the loading frame A separator lever, and a clamper. In addition, when the 80 mm disc is loaded, the disc is inserted in any direction in front of the main body A disk of a compact disc player which can accurately guide the loading operation Thereby providing a loading device.

Compact disc player, disc loading device, loading frame, base frame

Description

[0001] The present invention relates to a disk loading device for a compact disk player,

1 is an assembled perspective view of a compact disc player to which a disc loading apparatus according to an embodiment of the present invention is applied,

FIG. 2 is an exploded perspective view of a disk loading apparatus according to an embodiment of the present invention,

3 is an exploded perspective view of a roller unit of a disc loading apparatus according to an embodiment of the present invention,

4 is an assembled perspective view of a roller unit of a disk loading apparatus according to an embodiment of the present invention,

5 is an exploded perspective view of a guide unit of a disk loading apparatus according to an embodiment of the present invention,

6 is an exploded perspective view of a clamping unit of a disc loading apparatus according to an embodiment of the present invention,

7 is an assembled perspective view of a clamping unit of a disk loading apparatus according to an embodiment of the present invention,

8 is an exploded perspective view of a gear unit of a disc loading apparatus according to an embodiment of the present invention,

9 is an assembled perspective view of a gear unit of a disc loading apparatus according to an embodiment of the present invention,

FIGS. 10 to 14 are operation diagrams of a disc loading apparatus according to an embodiment of the present invention until a 120 mm disc is seated on a turntable, and FIGS.

15 to 17 are operation diagrams of a disk loading apparatus according to an embodiment of the present invention until an 80 mm disk is seated on a turntable.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compact disc player, and more particularly, to a compact disc player capable of loading and driving an 80 mm disc and a 120 mm disc as a single mechanism, And more particularly to a disk loading apparatus of the present invention.

In general, a compact disc player is an apparatus for reproducing information recorded on a disc using an optical system.

The basic structure of such a compact disc player includes a turntable for placing the disc and rotating the disc at a constant speed, a disc loading device for guiding the disc inserted into the player entrance by the user into the player and seating the disc in the turntable, And an optical pick-up device for reproducing information recorded on the disc or recording information while linearly reciprocating along the radial direction of the disc.

The disc loading apparatus includes a roller unit for drawing the disc into the player by frictional force and a roller arm for supporting the roller so that the roller can move up and down, In the case of a compact disc player used in common, a guide unit for guiding a disc drawn by the roller unit to the center so that each disc having a different diameter can be accurately positioned at the center of the turntable, And a gear unit for transmitting a driving force to the roller unit, the guide unit, and the clamping unit by reducing the rotational force of the driving motor to transmit the driving force to the clamp unit.

Korean Patent Registration No. 0427358 (2004.04.02) discloses an 80 mm / 120 mm disk-compatible compact disk player.

The technical feature pursued by the prior art is that the pusher arm 200 is assembled so as to be rotatable in the left and right direction on the left side of the upper surface of the clamp arm 100 which is hinged rearwardly to the player body 1 and is vertically rotatable, A guide arm 300 is assembled to be linearly movable forward and backward in a middle portion of the clamp arm 100 and a rocker arm 400 and a select arm 500 are sequentially stacked on the upper right side of the clamp arm 100, And a stopper 600 for selectively stopping the rotation of the select arm is assembled on the right front side of the bottom surface of the clamp arm 100. The compact disk player is mounted on the front side of the clamp arm 100, It is not necessary to provide a separate player for driving each of the discs, As it has the economic and practical advantages.

However, in spite of the technical features of the conventional patent, the technical problems of the conventional roller unit, the guide unit, the clamping unit, and the gear unit applied to the patented technology are as follows.

First, there is a problem in that the durability is poor because the power transmission structure for transmitting the rotational force of the driving motor between the roller unit and the clamping unit is constituted by a belt and a pulley type. The driving motor is disposed on the front side of the body adjacent to the roller It is disadvantageous in that it is disadvantageous in design freedom in front of the main body.

In addition, the gear unit for transmitting the rotational force of the driving motor to the roller unit and the clamping unit is disposed on the side portion of the main body in the longitudinal direction to increase the overall size of the player. In the case of the frame constituting the main body, A lower frame, a clamp arm disposed between the upper frame and the lower frame, and chassis frames for accommodating the upper arm and the lower arm, the connection structure is complicated and the number of components is increased.

In addition, since the clamper is fixedly installed on one side of the clamp arm on the lower frame, there is a disadvantage that precise operation of the clamp arm is required.

In the case of a guide unit for guiding the 80 mm disk and the 120 mm disk to the center of the main body in which the turntable is located regardless of the size, a guide arm is provided so as to be movable back and forth on the bottom surface of the clamp arm. A rocker arm assembled to the right side of the upper surface of the clamp arm, a select arm assembled to be stacked on the upper surface of the rocker arm, and a stopper installed vertically movably in front of the bottom right of the bottom surface of the clamp arm. In the operation of the 80mm disc, the disc is inserted relatively accurately through the front center portion of the main body, so that the loading of the disc is liable to be performed in a linear direction.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a roller unit and a clamping unit, A plurality of common gears to be engaged with each other and a plurality of roller gears and rod gears meshing with the common gears are disposed parallel to the main body so as to improve reliability and durability of power transmission, And to provide a disk loading device of a compact disc player which can secure a design freedom and at the same time slim the size of the entire player.

It is another object of the present invention to provide a disk loading device for a compact disk player, which comprises a base frame and a loading frame, and a chassis frame for accommodating the base frame and the loading frame, .

It is a further object of the present invention to provide a clamper which is mounted on a loading frame in a floating seated form to ensure the operational reliability of the clamper and has a sensing lever operated on the loading frame in accordance with the size of the disc, And the clamper are installed at the same time so as to simplify the connection of the main components. When the 80 mm disc is loaded, the loading operation can be guided even if the disc is inserted in any direction in front of the main body And a compact disk player.

According to an aspect of the present invention, there is provided a disc loading apparatus for a compact disc player, which comprises a center opening from a center to a rear left corner for installing a turntable and an optical pickup device, A frame linking pin hole is formed in a left side portion thereof, a frame connecting pin groove is formed in a right side portion thereof, and a trigger lever having a fork at one side of the right side portion is slidable in a forward and backward direction A base frame to be mounted;

Frame connection pins are formed on both sides of the base frame so as to be installed through the frame connection pin holes and the frame connection pin grooves and circular arc left and right openings are formed on both sides of the base frame, A linear separator pin guide groove having an inclined groove at the rear end in the front-rear direction is formed between the left and right guide slots, and a clamper is installed at the front center A loading frame in which a clamper mounting hole is formed, and a sensing pin groove is formed in the front right corner portion with a locking protrusion inward;

A roller unit installed in front of the base frame so as to allow the roller to move up and down through a roller arm, the roller arm being connected to the base frame by a roller spring so as to exert a pulling force;

The left and right separator levers are provided on the loading frame so as to hinge symmetrically on both sides with respect to the separator pin guide grooves so as to guide the inserted disc to the center of the turntable, A sensing lever having a selection pin groove is provided in an outer side of the right separator lever so that a selection pin formed on one side of the right side separator lever can be inserted or removed so that the rotation angle of the left and right separator levers The right opening of the loading frame and the opening of the fork of the base frame are provided on the lower side of each of the right separator lever and the sensing lever, Connecting pin and fork locking pin A guide unit configured to be disposed between the forks;

A frame connecting pin hole formed on the left and right sides of the base frame and a loading frame installed through the frame connecting pin in the frame connecting pin groove are raised and lowered to clamp the disk mounted on the turntable with a clamper and the roller is rotated up and down A frame connecting pin cam slot for vertically camming the frame with the frame connecting pin sandwiched therebetween and a shaft guide cam slot for camming in the vertical direction with the shaft guide cams at both ends of the roller shaft interposed therebetween, The left and right link levers are provided on the front upper surface of the base frame to link the left and right cam sliders to link the cam sliders with each other so that the cam sliders can be linked with each other A clamping unit configured, and

Wherein a driving gear is provided on a motor shaft of a driving motor mounted on a lower surface of the base frame and a rack gear is provided on a trigger lever formed on a rear portion of a right side of the base frame, Four roller gears constituting horizontal gears on one side of the lower surface of the base frame and meshing with the common gears and transmitting rotational driving force to the roller shafts on the front right portion of the base frame, And three rack gears having a meshing relationship for transmitting power between the rack gear and the rack gear are horizontally arranged on the rear right side of the base frame so that the rotation of the rollers is driven using the rotational force of the driving motor, The trigger lever is connected to the control pin on one side of the control lever and transmitted to the forward / It includes a gear unit.

The roller unit is plate-shaped and has an assembly pin formed at the right end thereof and rotatably fitted in an engagement groove of the base frame. The assembly pin is also formed at the left end of the roller unit. A roller arm rotatably installed; A pair of roller gears are provided at both ends of the roller arm so as to sandwich both ends of the circular arc groove formed at one side of the coupling grooves of the base frame, A roller shaft constituting a pin-shaped shaft guide cam to be inserted into the shaft guide cam slot of the left and right cam sliders, respectively; A roller of a rubber material which is press-injected and injected in a tapered shape integrally into the roller shaft; And a plurality of roller springs connecting both the lower portions of the roller arms and the front both sides of the base frame at the lower portion of the base frame.

The guide unit is formed with left and right support surfaces protruding in an arc shape between the left open portion and the left guide slot on the loading frame and between the right open portion and the right guide slot, A spring groove is formed on the center side of the separator pin guide groove, and the spring ring is seated on the left and right support surfaces with respect to the separator pin guide groove, and each one side is hinged symmetrically, and a separator slot is formed in each rear side, Right and left guide slots formed at the outer ends of the separator pin guide grooves, respectively; and left and right separator levers formed on the front side thereof with downwardly facing disc engagement pins; A separator spring connecting one side of the left separator lever and one side of the rear spring groove (213) on the loading frame; A fork connection pin extending integrally from a lower end of a disk retaining pin of the right separator lever and disposed between a fork at a lower portion of the base frame through a right opening portion of the loading frame and a fork opening portion of the base frame; A selection pin formed upwardly at a position adjacent to the disk engagement pin on the right separator lever; A left and right separator lever and a clamper holder fastened to the loading frame at an upper portion of the clamper to support the same; A selection pin groove is formed in an inner side of the loading frame so as to allow the selection pin to be inserted therein, and at a front side of the loading frame, A sensing lever having a sensing pin formed downward to be insertable corresponding to a sensing pin groove formed in a front right corner; A fork engaging pin provided on the lower surface adjacent to the sensing slot of the sensing lever and arranged side by side between the fork at the lower portion of the base frame and the fork opening portion of the base frame, ; And a sensing lever spring for interconnecting one side of the sensing lever inner side and one side of the forward spring groove on the loading frame.

Further, the clamping unit is provided at a left side portion of the base frame so as to be slidable in the front-rear direction, a shaft guide cam slot into which the left shaft guide cam is inserted is formed, A left cam slider having a frame connecting pin cam slot formed therein and having a lower end bent inward to form a link connecting slot; A shaft guide cam slot in which the right shaft guide cam is inserted is formed on the front side of the base frame, a frame connecting pin A cam slot is formed at the lower end of the link lever, and a lower end of the link lever is bent inward to form a link connection slot, and a linear control pin slot is formed at the other side of the link connection slot to insert a control pin on the control lever, A right cam slider configured to be interlocked; Right and left link levers connected to the respective link connection slots of the left and right cam sliders through pins on both sides of the base frame on both sides of the base frame, .

Wherein the gear unit includes an eleventh common gear whose upper end is a worm wheel and whose lower end is a spur gear and is engaged with the drive gear through the worm wheel, A second common gear whose lower end is composed of a spur gear having a large diameter and whose large diameter is engaged with a spur gear of the first common gear and a second common gear whose upper end is a large- And a third common gear whose lower end is composed of a small diameter gear and whose large diameter gear is engaged with a small diameter gear of the second common gear, A first roller gear which is formed of a worm wheel of a diameter and whose lower end is formed of a large diameter gear and meshing with a small diameter gear of the third common gear through the large diameter gear; And arranged parallel to the right side A second roller gear which extends from a spur gear provided by a gear bracket and which forms a worm gear at a tip of the spur gear to engage with a worm of a small diameter of the first roller gear, A third roller gear provided on a front right portion of the base frame with a coupled spur gear engaged therewith and a fourth roller gear provided on the tip of the roller shaft in engagement with the third roller gear with a spur gear, The first rod gear is provided on the lower portion of the base frame after the control lever is installed on the lower surface of the base frame so that the control pin is downwardly formed, and the upper end contacting the control lever is formed as a small- A first rod gear which is formed by a spur gear having a large diameter at its lower end and meshing with the small diameter spur gear of the third common gear through the large diameter gear at the other side, A second rod gear having a lower end formed of a small diameter gear and meshing with a small diameter gear of the first load gear through the large diameter gear; And a third rod gear whose lower end is formed of a large-diameter gear and is engaged with a small-diameter gear of the second rod gear via the large-diameter gear, and the third rod gear And a rack gear mounted on the trigger lever so as to engage with a small-diameter spur gear to switch a rotational driving force to a forward / rearward driving force so as to drive a trigger lever configured on the right side of the base frame in the forward and backward directions.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an assembled perspective view of a compact disc player to which a disc loading apparatus according to an embodiment of the present invention is applied, FIG. 2 is an exploded perspective view of a disc loading apparatus according to an embodiment of the present invention, The overall structure of the player will be briefly described. The base frame 1 and the loading frame 3 constituting the main body, and the chassis frame (not shown) for accommodating them are provided.

The base frame 1 forms a central opening portion 5 from the center to the rear left corner, and a fork opening portion 7 is formed on the right side thereof.

A turntable 10 is disposed at the center of the base frame 1 from the lower portion to the upper portion of the central opening portion 5 and is movable along the central opening portion 5 adjacent to the turntable 10 The optical pickup device 20 is slidably mounted on the guide shafts 21 on both sides.

A link opening portion 12 (one side not shown) is formed on both sides of the front side of the base frame 1. Two frame connecting pin grooves 8 are formed on the right side of the base frame 1, And one frame connecting pin hole 9 is formed on the left side thereof.

That is, three frame connecting pins 227 of the loading frame 3 are inserted through the frame connecting pin grooves 8 and the frame connecting pin holes 9 of the base frame 1, Between the base frame 1 and the loading frame 3, when the user inserts the disk D, the center of the turntable 10 is guided to the turntable 10, There is provided a disc loading apparatus according to an embodiment of the present invention.

That is, the disc loading apparatus according to the embodiment of the present invention includes a roller 101 installed on the front entrance side of the base frame 1 to draw the disc D into the player by frictional force, A roller unit 100 including a roller arm 103 for supporting the roller arm 103 so as to allow upward and downward flow so as to be able to move up and down; A guide unit 200 for guiding the disc D drawn by the roller unit 100 to the center of the turntable 10 so that each disc D can be accurately positioned at the center of the turntable 10, A disk D drawn into the player by linking the both sides of the base frame 1 and the loading frame 3 on the base frame 1 is seated on the turntable 10 and operated simultaneously, Lt; RTI ID = 0.0 > A driving motor 30 is mounted on the roller unit 100 and the guide unit 200 and the clamping unit 300. The driving motor 30 is mounted on the base frame 1, And transmits the driving force to the gear unit.

First, the specific structure of the roller unit 100 will be described with reference to FIGS. 3 and 4 attached hereto.

3 to 4, the roller unit 100 moves in contact with the disk D inserted into the entrance of the player to the inside of the turntable 10, A roller 101 for retracting the roller 101 between the base frame 1 and the loading frame 3 and a roller arm 103 for supporting the roller 101 so as to be vertically movable and a roller And a spring 105.

That is, when the base frame 1 and the loading frame 3 are assembled together, an entrance 107 into which the disc D is inserted is formed on the front surface. A sensor (not shown) for sensing an inserted disc and sending an electrical signal is provided in the inlet 107. A sensor signal is sensed on the inner lower side of the base frame 1 as shown in FIG. And the drive motor 30 for generating a drive force is provided.

A driving gear 31, which is a worm gear, is coupled to an end of the motor shaft of the driving motor 30. [

On both sides of the base frame 1, coupling grooves 109 are formed in such a manner that both ends of the roller arm 103 are rotatably coupled to the front portion close to the inlet 107, And a groove 111 is formed on the rear side thereof so that both ends of the roller 101 are rotatably engaged. At this time, the groove (111) has a circular arc shape around the coupling groove (109).

The roller 101 is made of a rubber material so that the roller shaft 113 is integrally press-inserted and injected. Both ends of the roller shaft 113 are coupled to the groove 111 of the base frame 1 and are rotatably supported.

The roller 101 is configured in a tapered shape in which the diameter of the disk 101 is narrowed from the outer portion to the middle portion so that the disk D drawn through the inlet 107 of the base frame 1 is moved to the center of the roller 101 .

The bush 115 is coupled to both ends of the roller shaft 113 and the roller shaft 113 is installed on the assembly piece 117 formed at both ends of the roller arm 103 in a state where the bush 115 is engaged . That is, the right assembly member 117 is provided with an assembly hole 119 at one side thereof, and the left assembly member 117 is provided with an assembly groove 121 at one side thereof to sandwich the both side bushes 115 , So that friction noise is not generated when the roller shaft 113 is rotated.

The outer ends of the roller shafts 113 are engaged with the grooves 111 of the base frame 1 and the right end of the roller shaft 113 is fixed to the outer side of the base frame 1, The fourth roller gear RG4 of the unit 400 is engaged and rotated together.

A pin-shaped shaft guide cam 127 for connecting with the clamping unit 300 is installed at the both ends of the roller shaft 113, respectively.

The roller arm 103 has a plate shape and an assembly pin 123 is formed on the other side of the right end of the roller arm 103 so as to be rotatably fitted in the right coupling groove 109 of the base frame 1, The assembly pin 123 is formed on the other side and is rotatably installed on the left side portion of the base frame 1 through the roller bracket 125 having the engagement groove 109. In this state, .

The roller spring 105 includes a spring ring 129 formed by cutting a portion of both sides of the roller arm 103 and a spring ring 129 formed by partially cutting both sides of the front side of the base frame 1, (Not shown) to the roller arm 103,

Hereinafter, a specific configuration of the guide unit 200 will be described with reference to FIGS. 2 and 5 attached hereto.

The guide unit 200 is installed on the loading frame 3 to guide the 80 mm disc D and the 120 mm disc D to the center of the turntable 10. The loading frame 3 has left and right rear And the left and right guide slots 205 and 207 are symmetrically arranged between the left and right openings 201 and 203 in an arcuate shape .

Right and left support surfaces 209 and 211 protruding in an arcuate shape are provided between the left opening 201 and the left guide slot 205 and between the right opening 203 and the right guide slot 207 on the loading frame 3, And a spring groove 213 is formed on one side of the center between the left and right support surfaces 209 and 211.

Separator pin guide grooves 215 are formed in the loading frame 3 between the left and right guide slots 205 and 207 in a forward and backward direction and the rear end of the separator pin guide grooves 215 is inclined An inclined groove 217 is formed.

A hinge 219 is formed symmetrically on both sides of the separator pin guide groove 215 of the loading frame 3 and a clamper mounting hole 221 is formed at the center of the front end of the loading frame 3, A spring groove 223 is formed on the right front side of the clamper mounting hole 221 and a sensing pin groove 225 is formed on the front right corner of the loading frame 3 together with the latching protrusion 224 inward.

On the right side of the loading frame 3, two frame connecting pins 227 for connecting with the base frame 1 are formed, and on the left side thereof, one frame connecting pin 227 is formed at the center.

The left and right separator levers 229 and 231 are respectively seated on the left and right support surfaces 209 and 211 on the hinge 219 formed on both sides of the separator pin guide groove 215 with respect to the loading frame 3 having the above- The left and right separator levers 229 and 231 are respectively formed with a separator slot 235 which is coupled to the separator pin guide groove 215 through the separator pin 233 at the rear of the left and right separator levers 229 and 231, And a hinge hole 237 coupled to the hinge 219 adjacent to each of the separator slots 235 are formed and connected to the hinge holes 219, respectively.

The left and right separator levers 229 and 231 are inserted into the left and right guide slots 205 and 207 at their outer ends to guide the left and right separator levers 229 and 231 in the rotational direction, And disk engaging pins 241 are respectively formed on the front side thereof and are disposed between the base frame 1 and the loading frame 3 through the left and right openings 201 and 203 on the loading frame 3 do.

The left separator lever 229 is partially cut on one side of the inner side of the separator lever 229 to form a spring ring 243. The spring ring 245 is partially cut on one side of the rear spring groove 213 on the loading frame 3, And is connected to the separator spring 247 so as to provide a pulling force to the left separator lever 229.

A fork connection pin 249 is integrally formed on the disk engaging pin 241 of the right separator lever 231 and extends to the lower end of the disk separating lever 231 so that the right opening 203 of the loading frame 3 and the left opening 203 of the base frame 1 A selection pin 251 is formed upwardly at a position adjacent to the disk engagement pin 241 on the right side separator lever 231 via the fork opening portion 7 .

The left and right separator levers 229 and 231 provided on the loading frame 3 and the clamper 301 mounted on the clamper mounting groove 221 are disposed on the loading frame 3 and fastened to the loading frame 3 And is supported by the clamper holder 253. That is, the clamper holder 253 has a spring plate 255 formed at the center thereof to press the clamper 301 from above, and left and right pressing plates 257 and 259 formed at both sides thereof are formed behind the clamper holder 253 The left and right separator levers 229 and 231 are supported on the left and right support surfaces 209 and 211 from above, respectively.

Here, a fitting piece 261 is formed on both sides of the front side of the clamper holder 253, and a screw (S) is fastened at the rear center thereof while sandwiched between two fitting holes 262 formed on the loading frame 3 .

The left and right separator levers 229 and 231 are provided on the left and right sides of the disc D regardless of the size of the disc D drawn through the inlet 107 formed in front of the base frame 1 and the loading frame 3 Only when it enters the inside by the roller 101 and comes into contact with the both-side disk engagement pins 241 at the same time, the hinge is operated to open to both sides.

That is, when the disc D comes into contact with only one of the left separator lever 229 and the right disc separator lever 231, the separator pin 233 fitted in the separator slot 235 at the rear end Is guided by the inclined surface (CF) on the opposite side of the separator lever (229 or 231) to the rear side inclined groove (217) without being moved forward along the separator pin guide groove (215).

A sensing lever 263 is formed on the outer side of the right separator lever 231. The sensing lever 263 forms a sensing slot 265 on the rear side of the sensing lever 263, And a selection pin groove 267 is formed on the side of the right separator lever 231 so that the selection pin 251 on the right separator lever 231 is inserted.

The right opening 203 of the loading frame 3 and the base frame 242 of the loading frame 3 are formed on the lower surface adjacent to the sensing slot 265 of the sensing lever 263, together with the fork connection pin 249 of the right separator lever 231, A fork engaging pin 269 arranged in parallel with the lower portion of the base frame 1 is formed through the fork opening portion 7 of the sensing lever 261. A sensing pin 271 Corresponding to the sensing pin groove 225 formed at the front right corner of the loading frame 3.

The sensing lever 263 is partially cut on the side facing the right separator lever 231 to form a spring hook 273. The sensing lever 263 is partially cut on one side of the front spring groove 223 on the loading frame 3, And a sensing lever holder 279 is disposed on one side of the upper portion of the sensing lever 279 so as to be coupled to the sensing lever 267. The sensing lever 277 is connected to the sensing lever 267, 3 by a screw (S) so that the sensing lever 263 does not disengage and is supported to operate in the forward and backward directions.

That is, the sensing lever 263 contacts the disk D to the sensing pin 271 only when the 120 mm disk D is drawn in, and opens the sensing lever 263 to the right outside. In this state, D of the right side separator lever 231 does not fit into the selection pin groove 267 on the sensing lever 263 in the process of opening the left and right separator levers 229, On the other hand, when the 80 mm disc D is drawn in, the disc D does not contact the sensing pin 271 but directly enters the left and right separator levers 229 and 231 while moving the left and right separator levers 229 and 231, 251 are fitted in the selection pin grooves 267 on the sensing lever 263 to restrict the angle at which the left and right separator levers 229 and 231 are extended and the 80 mm disc D is positioned at the center of the turntable 10 .

Hereinafter, a specific configuration of the clamping unit 300 will be described with reference to FIGS. 6 and 7 attached hereto.

The clamping unit 300 is mounted on the disc D drawn in by the guide of the roller unit 100 and the guide unit 200 through an inlet 107 between the base frame 1 and the loading frame 3, Is clamped by the clamper (301) to prevent the disc (D) from coming off.

The clamping unit 300 includes two frame connecting pin grooves 8 formed on the right side of the base frame 1 and three frame connecting pins 227 formed on the frame connecting pin holes 9 formed on the left side. Right and left cam sliders 303 and 305 are provided on both sides of the base frame 1 in a state in which the loading frame 3 is seated on the base frame 1, The right and left link levers 307 and 309 are connected to the left and right cam sliders 303 and 305 through the two link openings 12 on the base frame 1, respectively.

The left cam slider 303 is moved forward in the longitudinal direction in the horizontal direction so as to fit the left shaft guide cam 127 of the roller unit 100 in correspondence to the left grooves 111 of the base frame 1 And a left frame connecting pin 227 of the loading frame 3 is connected to a frame connecting pin hole 9 of the base frame 1 at one side of a center portion of the shaft guide cam slot 311, A frame connecting pin cam slot 313 is formed so as to be bent in the vertical direction in the horizontal direction so as to be inserted therethrough.

In the rear of the left cam slider 303, a locking pin 317 of the left locking lever 315 hinged to the left rear surface of the base frame 1 is bent and bent in the vertical direction A locking key pin cam slot 319 is formed between the shaft guide cam slot 311 and the frame connecting pin cam slot 313 and between the frame connecting pin cam slot 313 and the lock king pin cam slot 319 Fixed pin horizontal slots 321 and 323 for receiving two right fixed pins (not shown) fixed to the left side surface of the base frame 1 are formed.

The left cam slider 303 has a lower end bent inward and a link connection slot 327 connected to an end of the left link lever 307 by a pin (not shown) A spring ring 329 is formed on one side of the base frame 1 and a spring ring 331 is partially formed on the left front lower part of the corresponding base frame 1 to be connected to a slider spring 333 So as to provide a forward pulling force to the left cam slider 303.

Similarly to the left cam slider 303, the right cam slider 305 is provided at the front side in the longitudinal direction of the right cam slider 303 so as to correspond to the right grooves 111 of the base frame 1, And two frame connecting pins 227 formed on the right side of the loading frame 3 are formed on the front and rear sides of the shaft guide cam slot 335 Two frame connecting pin cam slots 337 and 339 are formed which are bent in the vertical direction in the horizontal direction so as to be inserted through the frame connecting pin groove 8 of the base frame 1.

A lock pin 343 which is hinged to the rear of the right side of the base frame 1 is fitted to the rear side of the right cam slider 305 so that the lock pin 343 of the lock lever 341, And two right fixing pins 347 fixed to the right side surface of the base frame 1 adjacent to the two frame connecting pin cam slots 337 and 339 are inserted and fixed between the two frame connecting pin cam slots 337 and 339, Pin horizontal slots 349 and 351 are formed.

The fixing pins (one side not shown) 347 on both sides of the base frame 1 pass through the fixing pin horizontal slots 321, 323 and 349, 351 of the left and right cam sliders 303, So as not to fall out.

The right cam slider 305 has a lower end bent inward and has a link connection slot 357 connected to the end of the right link lever 309 by a pin 355, A part of the gear bracket 401 configured to mount the gears on the right front side of the corresponding base frame 1 is cut out The spring hooks 403 are formed and connected to each other by a slider spring 359 to provide a forward pulling force to the right cam slider 305.

The right cam slider 305 has a linear control pin slot 361 formed on the other side of the curved surface 353 of the right cam slider 305. The control pin 405 is coupled to the base frame 1 together with the gear unit 400, And a control lever 407 provided on the lower right side of the control lever 407. The configuration of the control lever 407 will be described in the description of the configuration of the gear unit 400 described later.

The left link lever 307 is installed on the left side of the front upper surface of the base frame 1 so that one side thereof is rotatable with a screw S. The right link lever 309 is rotatably installed on the right side of the front upper surface of the base frame 1 at one side thereof with a screw S.

The left and right link levers 307 and 309 are interconnected by a link pin 365 at the inner end of the left link lever 307 through a curved slot 363 formed at the inner end of the right link lever 309, And is disposed on a link support surface 367 formed on the front side of the frame 1.

The left end of the left link lever 307 is connected to the link connecting slot 327 of the left cam slider 303 through a left link opening portion 12 on the base frame 1 by a pin And the outer end of the right link lever 309 is connected to the pin 355 in the link connection slot 357 of the right cam slider 305 through the right link opening portion 12 on the base frame 1, Lt; / RTI >

When the right cam slider 305 is slidably driven in the front-rear direction by the control pin 405 on the control lever 407 of the clamping unit 300 having such a configuration, the right cam slider 305 and the left and right link levers 305, The left cam slider 303 connected to the left and right cams 307 and 309 is also driven to slide in the forward and backward directions.

While the left and right cam sliders 303 and 305 slide horizontally horizontally by the two side fixing pins (one side not shown) at both sides of the base frame 1 in this manner, the left and right cam sliders And a frame connecting pin 227 is provided in the frame connecting pin cam slot 313 (337, 339) to the shaft guide cam slots (311, 335) The loading frame 3 is operated to contact or separate from the drawn disc D while the loading frame 3 installed through the loading frame 3 ascends and descends with respect to the base frame 1, 301 to clamp the disk D to the turntable 10 or to unclamp it.

Hereinafter, a specific configuration of the gear unit 400 will be described with reference to FIGS. 8 and 9 attached hereto.

The gear unit 400 includes a drive gear 31 mounted on a motor shaft of a drive motor 10 mounted on a lower portion of the base frame 1 by a motor holder 33, three common gears, A trigger lever 413 mounted on the right side rear fixing pin 347 of the base frame 1 and the trigger lever pin 409 via two forward and backward slots 411, And a gear 415 to transmit the rotational force of the driving motor 30 to the roller unit 100, the guide unit 200, and the clamping unit 300 by a rotational driving force or a linear driving force.

The gear unit 400 is rotatably installed on a right side portion of the lower surface of the base frame 1. First of the three common gears, the first common gear CG1 is formed by a worm wheel at its upper end, And is engaged with a driving gear 31 mounted on the motor shaft of the driving motor 30 as a worm gear through the worm wheel.

The spur gear of the first common gear CG1 meshes with the second common gear CG2. The second common gear CG2 is composed of a spur gear having a small diameter at the top and a spur gear having a large diameter at the bottom And the spur gear of the large diameter is engaged with the spur gear of the first common gear CG1.

The small diameter gear of the second common gear CG2 meshes with the third common gear CG3. The third common gear CG3 is a spur gear having a large upper end, And a spur gear having a large diameter is engaged with a spur gear having a small diameter of the second common gear CG2.

Of the four roller gears, the first roller gear RG1 is connected to one side of the small diameter gear of the third common gear CG3. The first roller gear RG1 is a small- And a lower end thereof is formed of a spur gear having a large diameter and engaged with a spur gear having a small diameter of the third common gear CG3 through the spur gear having the large diameter.

The second roller gear RG2 connected to the first roller gear RG1 is disposed parallel to the front right portion of the base frame 1 so that the gear bracket 300, And is rotatably engaged with the third roller gear RG3 by the first roller gear RG3.

The second roller gear RG2 is formed of a spur gear and the worm gear 423 is formed at the tip of the second roller gear RG2 by extending the rotation axis 421. The worm gear 423 is meshed with the worm gear of the small diameter of the first roller gear RG1 And the third roller gear RG3 mounted on the front right portion of the base frame 1 while engaged with the second roller gear RG2 through the gear bracket 401 is also a spur gear.

The third roller gear RG3 is meshed with the fourth roller gear RG4 disposed at the front end of the roller shaft 103 and disposed on the front right side of the base frame 1, So that the rotational driving force is transmitted to the roller 101.

Of the three load gears, the first load gear LG1 is connected to the other side of the small gear of the third common gear CG3 from the other side. The first load gear LG1 is connected to the The control lever 407 is installed on the lower surface of the control lever 407 so that the control lever 407 is downwardly positioned and then the control lever 407 is installed on the lower portion of the control lever 407. The upper end of the control lever 407 is a small- Diameter gear and is meshed with the small-diameter gear of the third common gear (CG3) through the large-diameter gear.

The first rod gear LG1 is connected to the second rod gear LG2. The second rod gear LG2 is formed by a spur gear having a large diameter at the top and a spur gear having a small diameter at the bottom. Diameter gear of the first load gear LG1 through a large-diameter spur gear.

The second rod gear LG2 is connected to the third rod gear LG3. The third rod gear LG3 is formed by a flat gear having a small diameter at the top and a flat gear having a large diameter at the bottom. Diameter gear of the second load gear LG2 through a large-diameter spur gear.

The small diameter spur gear of the third load gear LG3 is inserted into the right rear fixing pin 347 of the base frame 1 and the trigger lever pin 409 through two forward and backward slots 411 The trigger lever 413 is engaged with the rack gear 415 provided in the front-rear direction on the trigger lever 413 to be slidably driven in the front-rear direction.

A control pin slot 425 is formed on the front end of the trigger lever 413 so as to extend through the control pin 405. A curved control pin slot 425 is formed on the curved surface 353 of the right cam slider 305 The control pin 405 is inserted and assembled together with the linear control pin slot 361 formed on the other side.

A fork 419 is formed integrally with the rack gear 415 on the rear side of the trigger lever 413. The fork 419 is formed so that two fork arms 417 face the inside of the base frame 1 A fork connecting pin 249 disposed on a lower portion of the fork opening portion 7 of the right side separator lever 231 extending to the lower portion of the base frame 1 through the fork opening portion 7, Has an operating relationship with the fork locking pin 269 on the lever 263.

That is, the trigger lever 413 is connected to the driving gear 31, the first and second common gears CG1, CG2 and CG3, the first and second load gears LG1 and LG2, LG3 and a rack gear 415 engaged with the spur gear 415. The rack gear 415 is coupled to the control lever 405 via the control pin 405, 407. The power is transmitted to the right cam slider 305 in such a manner that the right cam slider 305 is driven in the forward and backward directions as the control lever 407 rotates.

In FIGS. 3 to 9, 'W' denotes a washer which is inserted through grooves in a rotary shaft so as to prevent each gear from being disengaged from its rotary shaft, and a portion denoted by 'S' And description of the respective washers and screws is omitted.

Therefore, the operation of the disk loading device of the compact disk player having the above-described configuration will be described with reference to FIGS. 10 to 17. FIG.

10 and 11, when the disc D is inserted by the user through the player's inlet, the sensor (not shown) detects the loading operation of the 120 mm disc D and the driving motor 30 .

The roller 101 constituting the lower part of the player entrance side receives the rotational driving force of the driving motor 30 from the gear unit 400 and rotates in contact with the disk D to rotate the disk D And pushes it inward.

At this time, one side of the outer circumferential surface of the 120 mm disc D contacts the sensing pin 271 on the sensing lever 263 first, pushing the sensing lever 263 outward. As shown in the side view of FIG. 11, The frame connecting pin 227 connecting the frame 1 and the loading frame 3 is provided at the rear of the frame connecting pin cam slots 337 and 339 of the right cam slider 305 (the same applies to the left cam slider 303) And is held at the upper portion thereof so that the base frame 1 and the loading frame 3 are kept apart from each other and the front cam slider 305 (also the left cam slider 303 side) The shaft guide cam 127 at the end of the roller shaft 113 fitted to the shaft guide cam slot 335 is also located at the rear or upper portion of the shaft guide cam slot 335 and the fourth roller gear RG4 and the third roller gear RG3 are engaged with each other to maintain power transmission.

12, when the disc D continues to advance into the player, the front side of the outer circumferential surface of the disc D is simultaneously contacted with the disc retaining pin 241 on the left and right separator levers 229 and 231, And the right separator levers 229 and 231 are spread outward. At this time, the selection pin 251 on the right separator lever 231 is not inserted into the selection pin groove 267 on the sensing lever 263 because the sensing lever 263 is already opened to the outside, The disc D is fully opened with the separator lever 229, and the disc D is positioned at the center of the player.

When the left and right separator levers 229 and 231 are fully opened as described above, the fork connection pin 249 on the right separator lever 231 is engaged with the rear fork arm 417 of the fork 419 connected to the trigger lever 413. [ The rack gear 415 on the trigger lever 413 is caught by the small diameter gear of the third rod gear LG3.

When the rack gear 415 on the trigger lever 413 and the third rod gear LG3 are engaged with the third rod gear LG3 while the rotational force of the drive motor 30 is transmitted to the third rod gear LG3, The trigger lever 413 is linearly moved backward together with the rack gear 415 by the rotational force of the third rod gear LG3.

7, the right cam slider 305, which is connected to the trigger lever 413 by the control pin 405 of the control lever 407, And is slid rearward together with the trigger lever 413 as shown in Fig.

The left cam slider 303 connected to the right cam slider 305 and the left and right link levers 307 and 309 is also slid rearward by the link operation of the left and right link levers 307 and 309.

14, the frame connecting pin 227 connecting the base frame 1 and the loading frame 3 is formed in the same manner as the right cam slider 305 (also on the left cam slider 303 side) Of the frame connecting pin cam slots 337 and 339 of the left cam slider 305 and the right cam slider 305 The shaft guide cam 127 at the end of the roller shaft 113 fitted in the shaft guide cam slot 335 of the fourth guide roller 334 is also located at the lower side of the shaft guide cam slot 335, The gear RG4 and the third roller gear RG3 are disengaged from each other and the power transmission is not performed.

The cramper 301 formed on the loading frame 3 together with the loading frame 3 descends to the base frame 1 and moves to the upper side of the disk D centered on the turntable 10, So that a clamping operation is performed.

The drive motor 30 is driven to move the disc D to the center of the player by the roller 101 and then the rack D on the trigger lever 413 The trigger operation of the trigger lever 413 and the left and right cam sliders 303 and 305 and the link operation of the left and right link levers 307 and 309 as well as the loading operation of the loading frame 3) are simultaneously operated.

13, the left and right separator levers 229 and 231 are connected to the fork connecting pin 249 on the right separator lever 231. The left and right separator levers 229 and 231 are connected to the fork connecting pin 249 on the left separator lever 231, Is further pushed rearward by the front fork arm 417 of the fork 419 connected to the trigger lever 413 together with the fork retaining pin 269 on the sensing lever 263, The levers 229 and 231 and the sensing lever 263 are spaced apart from each other.

When the left and right separator levers 229 and 231 and the sensing lever 263 are spaced outward from each other, the disc latching pin 241 on the left and right separator levers 229 and 231 and the sensing lever 263 The sensing pin 271 is brought into contact with the disk D so that the disk D can be rotated by the turntable 10 without interference.

As shown in FIGS. 15 and 16, when the disk D is inserted into the player's mouth by the user and the sensor (not shown) senses the loading operation of the 80 mm disk D, the driving motor 30 Is driven.

Then, the roller 101 formed at the lower portion of the player's mouth receives the rotational driving force of the driving motor from the gear unit 400 and rotates in contact with the disk D to push the disk D into the player 15 and 16, when the sensor detects that the disc D has been inserted into any position of the player's entrance, the disc D is inserted into the disc D, To the center.

15, when the 80-mm disk D is inserted through the right side of the player's mouth, the disk D is caught by the sensing pin 271 of the sensing lever 263 and spreads the sensing lever 263 outward The front side of the outer circumferential surface comes into contact with the disk engaging pin 241 on the right side separator lever 231 first.

At this time, the contact force of the disk D acting on the right separator lever 231 is operated by a force for inserting the separator pin 233 into the inclined groove 217 so that the right separator lever 231 is not opened outward In this state, the disc D is guided in the center direction while continuing to enter by the roller 101.

17, when the disk D is guided in the center direction and both front sides of the outer circumferential surface thereof are simultaneously brought into contact with the respective disk engaging pins 241 on the left and right separator levers 229, 231, the left and right separator levers (229, 231).

At this time, the sensing lever 263 is restored to its original state, and the selection pin 251 on the right separator lever 231 is in a state in which the sensing lever 263 is already restored, Is inserted into the pin groove 267.
That is, while the 80 mm disc D advances to the center while spreading the left and right separator levers 229 and 231 by driving the roller 101, the selection pin 251 is inserted into the selection pin groove 267 The sensing lever 263 is pushed backward.
At this time, the sensing lever 263 is positioned such that the sensing pin 271 is positioned at a position where the left and right separator levers 229 and 231 are spaced apart from the loading frame 3 The sensing pin groove 225 is formed in a state in which it extends over the engagement protrusion 224 formed at one side of the sensing pin groove 225.
That is, in a state where the sensing pin 271 extends over the latching protrusion 224, the sensing lever 263 can not proceed further backward, and the right separator lever 231 is no longer opened. , The right separator levers 229 and 231 are not opened, and the 80 mm disc D is maintained in the center position of the player.
Thereafter, the sensing lever 263 continues to slide the trigger lever 413 so that the front fork arm 417 touches the latching pin 269 on the sensing lever 263 and the sensing pin 271 Is released from the latching jaw 224 and inserted into the sensing pin groove 225.
When the left and right separator levers 229 and 231 are opened so that the 80 mm disc D is positioned at the center, the fork connection pins 249 on the right separator lever 231 are engaged with the fork 419 connected to the trigger lever 413 The rack gear 415 on the trigger lever 413 is caught by the small diameter gear of the third rod gear LG3, The clamping operation is performed as in the case of the 120 mm disc D.

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The clamping operation of the 80 mm disk D is the same as the clamping operation of the 120 mm disk D, and a detailed description thereof will be omitted.

As described above, the present invention has an advantage in that information recorded on the disk D can be easily reproduced and recorded by commonly driving an 80 mm or 120 mm disk (D) having a different diameter through a single compact disk player .

As described above, according to the disc loading apparatus of the compact disc player according to the embodiment of the present invention, among the gear units that transmit the rotational force of the drive motor to the roller unit and the clamping unit, the common gears, Some of the roller gears and the rod gears that are engaged with the common gears are arranged in parallel with the main body so as to improve reliability and durability of power transmission and to provide the driving motor in the interior of the main body, .

At the same time, the overall player's size can be made slim.

In addition, the present invention provides a frame structure comprising a base frame, a loading frame, and a chassis frame that houses the base frame and the loading frame, thereby simplifying the interframe connection structure. So that the operation reliability of the clamper can be ensured.

In the present invention, a sensing lever operated according to the size of a disc on a loading frame, a guide unit composed of left and right separator levers, and the clamper are installed at the same time to simplify connection of main components, There is an advantage in that it is possible to accurately guide the loading operation even if the disc is inserted in any direction in front of the main body.

Claims (17)

A disk loading device for a compact disk player, A center opening portion is formed from the center to the rear left corner so that the turntable and the optical pickup device are installed, a fork opening portion is formed on the right side thereof, a link opening portion is formed on each front side portion, A base frame on which a frame connecting pin groove is formed on a right side portion thereof and a trigger lever having a fork on one side thereof is slidably mounted in a back and forth direction on the rear side of a right side portion thereof; Frame connection pins are formed on both sides of the base frame so as to be installed through the frame connection pin holes and the frame connection pin grooves and circular arc left and right openings are formed on both sides of the base frame, A linear separator pin guide groove having an inclined groove at the rear end in the front-rear direction is formed between the left and right guide slots, and a clamper is installed at the front center A loading frame in which a clamper mounting hole is formed and a sensing pin groove is formed in the front right corner portion thereof with a locking protrusion inward; A roller unit installed in front of the base frame to allow a roller to move up and down through a roller arm, the roller arm being connected to the base frame by a roller spring so as to exert a pulling force; The left and right separator levers are provided on the loading frame so as to hinge symmetrically on both sides with respect to the separator pin guide grooves so as to guide the inserted disc to the center of the turntable, A sensing lever having a selection pin groove is provided in an outer side of the right separator lever so that a selection pin formed on one side of the right side separator lever can be inserted or removed so that the rotation angle of the left and right separator levers The right opening of the loading frame and the opening of the fork of the base frame are provided on the lower side of each of the right separator lever and the sensing lever, Connecting pin and fork locking pin Guide unit configured to be disposed between the fork; A frame connecting pin hole formed on the left and right sides of the base frame and a loading frame installed through the frame connecting pin in the frame connecting pin groove are raised and lowered to clamp the disk mounted on the turntable with a clamper and the roller is rotated up and down A frame connecting pin cam slot for vertically camming the frame with the frame connecting pin sandwiched therebetween and a shaft guide cam slot for camming in the vertical direction with the shaft guide cams at both ends of the roller shaft interposed therebetween, The left and right link levers are provided on the front upper surface of the base frame to link the left and right cam sliders to link the cam sliders with each other so that the cam sliders can be linked with each other A clamping unit configured; Wherein a driving gear is provided on a motor shaft of a driving motor mounted on a lower surface of the base frame and a rack gear is provided on a trigger lever formed on a rear portion of a right side of the base frame, Four roller gears constituting horizontal gears on one side of the lower surface of the base frame and meshing with the common gears and transmitting rotational driving force to the roller shafts on the front right portion of the base frame, And three rack gears having a meshing relationship for transmitting power between the rack gear and the rack gear are horizontally arranged on the rear right side of the base frame so that the rotation of the rollers is driven using the rotational force of the driving motor, The trigger lever is connected to the control pin on one side of the control lever and transmitted to the forward / A disc loading device of a compact disc player comprising a gear unit. The method according to claim 1, The trigger lever has a control pin slot formed in a bent shape so that the control pin is inserted through the front end of the trigger lever. The control lever has a linear control pin slot formed on an inwardly bent surface of the right cam slider, And the disc loading device is mounted on the disc loading device. The method according to claim 1, Wherein the rack gear mounted on the trigger lever is provided on the front and rear sides along the longitudinal direction of the trigger lever and the fork is disposed on the rear end of the rack gear with the same material as the rack gear so as to be disposed below the fork opening portion of the base frame Wherein the disc loading device is formed integrally with the disc loading device. The method according to claim 1, The roller unit is plate-shaped and has an assembly pin formed at the right end thereof and rotatably fitted in an engagement groove of the base frame. The assembly pin is also formed at the left end of the roller unit. A roller arm rotatably installed; A pair of roller gears are provided at both ends of the roller arm so as to sandwich both ends of the circular arc groove formed at one side of the coupling grooves of the base frame, A roller shaft constituting a pin-shaped shaft guide cam to be inserted into the shaft guide cam slot of the left and right cam sliders, respectively; A roller of a rubber material which is press-injected and injected in a tapered shape integrally into the roller shaft; And And a plurality of roller springs connecting both the lower side of the roller arm and the front side of the base frame at a lower portion of the base frame. The method according to claim 1, Wherein the guide unit forms left and right support surfaces protruding in an arc shape between a left opening portion and a left guide slot on the loading frame and between a right opening portion and a right guide slot, A spring groove is further formed on one side, The separator pin guide grooves are disposed on the left and right support surfaces, and are symmetrically hinged on one side of the separator pin guide grooves. A separator slot is formed on each of the rear side of the separator pin guide grooves, Right and left guide levers are formed at the outer ends of the left and right guide slots, respectively. A separator spring for connecting one side of the left separator lever and one side of a rear spring groove on the loading frame; A fork connection pin extending integrally from a lower end of a disk retaining pin of the right separator lever and disposed between a fork at a lower portion of the base frame through a right opening portion of the loading frame and a fork opening portion of the base frame; A selection pin formed upwardly at a position adjacent to the disk engagement pin on the right separator lever; A left and right separator lever and a clamper holder fastened to the loading frame at an upper portion of the clamper to support the same; A selection pin groove is formed in an inner side of the loading frame so as to allow the selection pin to be inserted therein, and at a front side of the loading frame, A sensing lever having a sensing pin formed to be downwardly insertable corresponding to a sensing pin groove formed in a front right corner; A fork engaging pin provided on the lower surface adjacent to the sensing slot of the sensing lever and arranged side by side between the fork at the lower portion of the base frame and the fork opening portion of the base frame, ; And a sensing lever spring for interconnecting one side of the sensing lever inner side and one side of the forward spring groove on the loading frame. 6. The method of claim 5, When the disc D is in contact with only one of the disc engagement pins, the left and right separator levers are arranged such that the separator pins fitted in the separator slots of the respective rear end portions are engaged with the inclined grooves formed in the rear portion of the separator pin guide grooves, Is guided to the opposite side inclined surface (CF) and is not rotated. 6. The method of claim 5, Wherein the fork has two fork arms integrally formed on the front and rear sides thereof. 6. The method of claim 5, The clamper holder has a spring plate for pressurizing the clamper at the center thereof and a left and right pressing plate formed at both sides of the spring plate for supporting the left and right separator levers to the left and right support surfaces, And a fastening part is formed on both sides of the front side of the loading frame so as to be fastened with a screw (S) at the rear center of the fastening part while sandwiching the fastening part on two loading parts formed on the loading frame. Loading device. 6. The method of claim 5, Wherein a sensing lever holder is provided at one side of the loading frame to support the sensing lever so as to be operable in the forward and backward directions without detaching the sensing lever corresponding to one side of the sensing lever. The method according to claim 1, The clamping unit is provided on a left side portion of the base frame so as to be slidable in the front and rear direction. A shaft guide cam slot in which the left shaft guide cam is inserted is formed in front of the clamping unit. A left cam slider in which a frame connecting pin cam slot is formed and a lower end thereof is bent inward to form a link connecting slot; A shaft guide cam slot in which the right shaft guide cam is inserted is formed on the front side of the base frame, a frame connecting pin A cam slot is formed at the lower end of the link lever, and a lower end of the link lever is bent inward to form a link connection slot, and a linear control pin slot is formed at the other side of the link connection slot to insert a control pin on the control lever, A right cam slider configured to be interlocked; Right and left link levers connected to the respective link connection slots of the left and right cam sliders through pins on both sides of the base frame on both sides of the base frame, And a disc loading device for loading the disc into the compact disc player. 11. The method of claim 10, And a locking pin cam slot is formed at a rear portion of the left and right cam sliders so that a locking pin of a locking lever hinged to the rear of the left and right sides of the base frame is inserted. 11. The method of claim 10, Wherein the left and right cam sliders are respectively installed to be slidable in the base frame by a washer W from the outside in a state where the left and right cam sliders are inserted into fixing pins formed in side portions of the base frame, A disk loading device of a compact disk player. 11. The method of claim 10, Wherein the left and right cam sliders are configured such that a slider spring is connected between one side of the left and right cam sliders and one side of the base frame to provide a pulling force toward the front side. 11. The method of claim 10, Wherein the left and right link levers form a curved slot at the inner end of the right link lever and are interconnected with link pins at the inner end of the left link lever through the curved slot. Device. 11. The method of claim 10, The left and right cam sliders include rollers installed on both sides of the shaft guide cam through shaft guide cams while horizontally slidably driving the both sides of the base frame in the forward and backward directions, And the loading frame connected through the pins is configured to move up and down relative to the base frame. The method according to claim 1, Wherein the gear unit is configured such that the drive gear is a worm gear, The three common gears include an eleventh common gear having an upper end formed of a worm wheel and a lower end formed of a spur gear so as to mesh with the drive gear through the worm wheel and a spur gear having an upper end having a small diameter, A second common gear which is constituted by a spur gear and meshed with the spur gear of the large diameter and the spur gear of the first common gear, and a spur gear whose upper end is a large diameter gear and whose lower end is a small- Diameter gear and a third common gear engaged with a small-diameter gear of the second common gear, Wherein the four roller gears are formed by a worm wheel having a small diameter at an upper end thereof and a spur gear having a large diameter at the bottom and engaging with a small diameter gear of the third common gear through the large- A spur gear disposed parallel to a front right portion of the base frame and extending by a spur gear provided by a gear bracket to form a worm gear at a tip of the spur gear to engage with a worm gear of a small diameter of the first roller gear A third roller gear provided on the front right side portion of the base frame with a spur gear engaged with the second roller gear through the gear bracket, And a fourth roller gear provided at the tip of the shaft, The three rod gears are provided on a lower portion of the first rod gear so that the control pin is downwardly disposed on the lower surface of the base frame, and the upper end of the third rod gear is connected to the control lever by a small- A first rod gear which is formed by a spur gear having a large diameter at its lower end and meshing with the small diameter spur gear of the third common gear through the large diameter gear at the other side, A second rod gear having a lower end formed of a small diameter gear and meshing with a small diameter gear of the first rod gear via the large diameter gear; And a third rod gear which is formed by a spur gear having a large diameter at its lower end and meshing with a small-diameter spur gear of the second rod gear via the large-diameter spur gear, Diameter gear of the third rod gear so as to convert the rotational driving force into a forward and reverse driving force so as to drive the trigger lever constituted on the right side of the base frame in the forward and backward directions, And a disc loading device for loading the disc into the compact disc player. 17. The method of claim 16, The trigger lever is connected to the drive gear, the first, second and third gears, the first, second, and third rod gears via a small-diameter flat gear and a rack gear engaged therewith, And the right cam slider connected to the control pin according to the rotation of the control lever also transmits the driving force in the forward and backward directions. To the disc loading device of the compact disc player.

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