KR100569501B1 - Clamfing assembly of a optical disk player - Google Patents

Abstract

The present invention relates to a clamping assembly of an optical disk player capable of slimming a main chassis by improving a clamping method of an optical disk player mounted on a vehicle, and includes a driving unit 100 installed in a main chassis not shown, and a driving unit. The sliding clamp 110 is slidably coupled to one end of the unit 100 in the loading direction of the optical disk, and the stopper cover is coupled to the upper portion of the sliding clamp 110 to move in the vertical direction by the sliding movement of the sliding clamp 110. The clamp 120 is formed at the center of the turntable 141 corresponding to the clamp 120 and the metal clamp 130 seated in the clamp hole 121 formed in the center of the stopper cover 120. 130; magnetically attracting the magnetic permanently; characterized in that it comprises a.

According to the present invention, the clamping operation is much simpler than the conventional clamp plate structure, and the vertical movement range of the clamp can be reduced, thereby reducing the overall thickness of the main chassis.

Description

Clamping Assemblies for Automotive Optical Disc Players {CLAMFING ASSEMBLY OF A OPTICAL DISK PLAYER}

1 is a diagram showing a conventional vehicle optical disc player.

Figure 2 is a plan view of the clamping assembly of the optical disc player for a vehicle according to the present invention.

3 is a side view of FIG. 2;

4 is a plan view showing an unclamping state of the clamping assembly according to the invention.

5 is a side view of FIG. 4.

<Description of Symbols for Main Parts of Drawings>

100; Driving unit 110; Sliding clamp

111; Recess 112; Slot groove

113; Long groove 114; Interference

115; Narrowing section 120; Stopper cover

121; Clamp hole 122; Slot projection

130; Clamp 131; Mount

140; Permanent magnet 141; Turn table

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk player, and more particularly, to a clamping assembly of an optical disk player capable of slimming a main chassis by improving a clamping method of an optical disk player mounted on a vehicle.

In general, an optical disk player scans a laser beam toward an optical data recording medium, i.e., a disk such as a digital audio disk (DAD) or a digital video disk (DVD) for playing music, commonly called a CD. And the pick-up unit (Pick-up Unit) refers to a device that reads information through the beam reflected therefrom.

The optical disc player is provided with a tray conveying apparatus for conveying a tray on which the disk is seated on the upper side for loading / unloading from the outside to the turntable for playing or recording the disk.

In recent years, it has become common for an optical disc player to be mounted in a vehicle, and a vehicle optical disc player is becoming slimmer.

1 shows a conventional optical disc player mounted on a vehicle.

As shown, a conventional optical disc player includes a main chassis 10, a plurality of guide rollers 20, 20 'pairs, a driving unit 30, and a carrier 40. And clamping plate (50) and loading means.

The main chassis 10 has two pairs of 'A' shaped guide grooves 11 having parallel sections 11a and 12a and vertical sections 11b and 12b on both sides thereof with respect to the insertion direction of the optical disk D. 12 is sequentially formed, and the inclined surfaces 13 which are inclined from the upper end to the lower side are formed on both upper sides thereof.

The plurality of guide rollers 20 and 20 'are installed on the front left and right sides of the main chassis 10 in parallel with each other up and down, and serve to guide the optical disk D.

The driving unit 30 is positioned at a position spaced apart from the bottom surface by a predetermined distance on the inner surface of the main chassis 10, and includes a spindle motor (not shown) and a turn table driven to rotate by the spindle motor. Turn table 32).

In addition, the carrier 40 is located on the space between the bottom surface of the main chassis 10 and the driving unit 30, and in particular, both sides of the carrier 40 extend in a state surrounding both sides of the driving unit 30.

The clamping plate 50 is positioned above the driving unit 30, and an inner end thereof is hinged to the inner end of the driving unit 30 to be rotatable. In addition, a clamper 51 for clamping the optical disk D is provided at an outer end of the clamping plate 50, that is, at a position corresponding to the turntable 32 on the driving unit 30.

On the other hand, the loading means is for slidingly conveying the driving unit 30 and the carrier 40 described above at the same time in the inner and outer directions of the main chassis 10, that is, in the insertion direction of the optical disk, and supporting shafts 61 and 61. ') And two pairs of links (62, 62'), connecting rod (63), feed shaft (64) and drive means.

At this time, the support shafts 61 and 61 'are inserted into the guide grooves 11 and 12 of the main chassis 10 so as to be slidable, respectively, and the other ends of the support shafts 61 and 61' are respectively supported by the carrier 40 and the driving unit 30. It penetrates both sides and serves to connect them integrally.

In addition, the two pairs of links 62 and 62 'are arranged side by side on both sides before and after the outer side of the carrier 40, and in particular, the above-described support shafts 61 and 61' are slidably fitted to each side. Long grooves 62a and 62a 'are formed to be inserted. These two pairs of links 62 and 62 'are connected to each other, which are positioned on the side adjacent to each other through the connecting rod 63 described above, and the other link 62 connected by the rotation of one of the links 62. ') Is configured to rotate together.

On the other hand, one side of both sides of the clamp plate 50 provided with the clamper 51 on the lower side of one side is slidingly moved along the inclined surface 13 formed on both sides of the upper side of the main chassis 10 according to the sliding transfer of the driving unit 30. The feed shaft 64 is extended.

The driving means, which is not shown, is a power generating source for slidingly conveying the driving unit 30 and the carrier 40 in the front and rear directions of the main chassis 10 by applying rotational force to the links 62 and 62 '. It serves to drive the rotation of any one link (62).

Meanwhile, in the conventional clamping operation, the feed shaft 64 extending from the clamp plate 50 is lowered along the inclined surface 13 of the main chassis 10 so that the clamp plate 50 itself is centered on the driving unit 30. By rotating downward, the clamp plate 50 is made through the clamper 51.

However, such a conventional clamping structure has a very disadvantageous structure for reducing the overall thickness of the main chassis 10, because the clamp crate 50 should be secured to operate within a certain angle range.

Accordingly, an object of the present invention is to solve such a disadvantage of the conventional art, and to provide a slimming of the main chassis by improving the clamping method of the optical disc player mounted on the vehicle.

In order to achieve the above object, the present invention provides an optical disc player, comprising: a driving unit installed in a main chassis, a sliding clamp slidably coupled to one end of the driving unit in a loading direction of the optical disk, and a sliding movement of the sliding clamp. A stopper cover coupled to the upper part of the sliding clamp so as to move up and down by the upper surface, a metal clamp seated in a clamp hole formed at the center of the stopper cover, and a magnetic clamp that is installed at the center of the turntable corresponding to the clamp. Pulling permanent magnet; characterized in that it comprises a.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

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

2 and 3 are a plan view and a side view showing a clamping assembly of a vehicular optical disc player according to the present invention, and FIGS. 4 and 5 are a plan view and a side view showing an unclamping state of a clamping assembly according to the present invention.

As shown, the clamping assembly of the vehicle optical disk player according to the present invention is a sliding unit slidably coupled in the loading direction of the optical disk to one end of the driving unit 100 and the driving unit 100 installed in the main chassis not shown. The clamp 110, the stopper cover 120 coupled to the upper part of the sliding clamp 110 to move in the vertical direction by the sliding movement of the sliding clamp 110, and the clamp hole 121 formed at the center of the stopper cover 120. And a permanent magnet 140 installed in the center of the clamp 130 and the clamp 130 and the turntable 141 corresponding to the clamp 130 to magnetically attract the clamp 130. It features.

Sliding clamp 110 according to the present invention is a thin plate-shaped press member so as to slide the upper portion of the driving unit 100, the turn table 141 is installed, incised incision so that the top surface of the turn table 141 can be exposed. The recess 111 is provided, and slot grooves 112 having a length in the loading direction are formed on both sides of the recess 111. The side surface of the sliding clamp 110 has a long groove 113 having a phase difference is inserted into the projection 101 of the driving unit 100. The sliding clamp 110 is moved in the longitudinal direction along the long groove 113, and is moved vertically by the phase difference.

The stopper cover 120 according to the present invention is a thin plate-shaped press member in which a clamp hole 121 is formed to support the clamp 130 directly above the turn table 141. An inner circumferential surface of the clamp hole 121 is provided with a mounting portion 131 extending to mount the clamp 130, and the mounting portion 131 is installed before / after the loading direction based on the loading direction and slides when operated. Do not cause interference with the recess 111 of. The bottom surface of the stopper cover 120 is formed with a slot protrusion 122 that can be inserted into the slot groove 112 to limit the longitudinal movement distance of the sliding clamp 110 and to move stably to the stopper cover 120 Allow them to overlap.

According to the present invention, the clamp 130 is made of a metal material having magnetic properties, and the permanent magnet 140 is installed at the center of the turn table 141 to clamp using magnetic properties. In the exemplary drawing, a donut-shaped permanent magnet 140 is illustrated.

As described above, the sliding clamp 110 plays an important role of sliding and overlapping the stopper cover 120 to forcibly lift the clamp 130 from the permanent magnet 140 to maintain an unclamping state. Substantially, the inner side of the recess 111 of the sliding clamp 110 while sliding sliding intentionally interferes with the bottom surface of the clamp 130 to gradually lift up the interference portion narrowed while being inclined ( 114, and the recess 111 inside the interference part 114 includes a narrow portion 115 that is narrower than the diameter of the clamp 130 so as to support the bottom surface of the clamp 130.
Referring to the clamping action of the optical disk player of the present invention configured as described above is as follows.
As shown in FIGS. 4 and 5, the stopper 110 is moved up and down according to the phase difference of the long groove 113 while the sliding clamp 110 moves forward along the long groove 113 from the protrusion 101 of the drive unit 100. The cover 120 is also lifted together. Accordingly, the clamp 130 is mounted on the mounting portion 131 of the stopper cover 120, and the circumferential end of the clamped clamp 130 is forced up by the interference portion 114 of the recess 111. By forcibly lifting, the clamp 130 is separated from the permanent magnet 140 of the turntable 141 is in an unclamping state.
On the contrary, referring to FIGS. 2 and 3, while the sliding clamp 110 slides backward along the long groove 113 from the protrusion 101 of the drive unit 100, the stopper cover (according to the phase difference of the long groove 113) 120 is also moved downwards. Accordingly, the clamp 130 is in close contact with the turntable 141 by the attraction force of the permanent magnet 140 while being released from the narrow portion 115 and the interference portion 114 of the sliding clamp 110 with which the clamp 130 is retracted. The clamping state.

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Such a clamping assembly according to the present invention can not only implement the clamping operation much simpler than the conventional clamp plate structure, but also can reduce the vertical movement range of the clamp to reduce the overall thickness of the main chassis.

As described above, the clamping assembly of the optical disc player according to the present invention can not only implement a clamping operation much simpler than the conventional clamp plate structure, but also reduce the vertical movement range of the clamp, so that the whole of the main chassis can be reduced. There is an effect that can reduce the thickness.

What has been described above is only an embodiment of the clamping assembly of the optical disc player according to the present invention, and the present invention is not limited to the above-described embodiment, and is not limited to the scope of the present invention as claimed in the following claims. Without this, anyone skilled in the art to which the present invention pertains will have the technical spirit of the present invention to the extent that various modifications can be made.

Claims (7)

In an optical disc player, A driving unit installed in the main chassis; A sliding clamp slidably coupled to one end of the driving unit in a loading direction of the optical disc; A stopper cover coupled to the upper part of the sliding clamp to move in the vertical direction by the sliding movement of the sliding clamp; A metal clamp seated in a clamp hole formed at a center of the stopper cover; And And a permanent magnet installed at the center of the turn table corresponding to the clamp and magnetically attracting the clamp. The slot clamp according to claim 1, wherein the sliding clamp is a thin plate-shaped press member, and has a concave portion which is concavely cut so that the upper surface of the turn table can be exposed. And a long groove having a phase difference on a side thereof is formed. The clamping assembly of an optical disc player according to claim 1, wherein the stopper cover is a thin plate-shaped press member in which a clamp hole is formed so as to place the clamp directly above the turn table. 4. The clamping of an optical disc player according to claim 1 or 3, wherein a mounting portion extended to mount the clamp on the inner circumferential surface of the clamp hole is formed, and the mounting portion is installed before and after the loading direction. Assembly. 4. The clamping assembly of an optical disc player according to claim 1 or 3, wherein a slot protrusion which is inserted into the slot groove is formed on a bottom surface of the stopper cover. 2. The clamping assembly of claim 1, wherein the clamp is made of a metal material having magnetic properties. According to claim 1 or 2, wherein the inner surface of the recessed portion of the sliding clamp is provided with an interference portion that is narrow in width while being inclined, the recessed portion inside the interference portion has a narrow portion formed narrower than the diameter of the clamp Clamping assembly of an optical disc player.

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