KR19980022957U - Car Optical Disc Player - Google Patents

Abstract

The present invention discloses an optical disc player for a vehicle.

The present invention is located on the inner surface of the center of the main chassis and the gear is formed so as to rotate in conjunction with the guiding means on one side, the upper surface of the rotating body formed with a cam groove; A moving plate having a plurality of guide grooves formed on one side of the main chassis, an inclined groove formed on an upper surface thereof, and an extension piece having a locking groove formed on one side thereof; A guide collapse that extends from one front side of the clamp chassis and contacts the top surface of the moving plate; Its center surface is pivotally supported on the main chassis rotatably, the one end is inserted into the cam groove of the rotating body and the other end is a rotary lever that is fixed to the locking groove of the moving plate; Not only does the loading generated in conveying the disk through guided rollers have the advantage that the instability can be reliably eliminated by loading through the tray, but also the optical disk can be stably chucked on the turntable in particular. It works.

Description

Car Optical Disc Player

The present invention relates to an optical disk player, and more particularly to an improved optical disk player for stably transporting an optical disk.

In general, optical disks are relatively high density recording and reproducing and semi-permanent storage, compared to magnetic recording tapes and LPs, and thus optical disk players using them have been widely used in recent years.

Such optical disc players include a laser disk player and a compact disk player. Among such optical disk players, a compact and portable compact disk player (hereinafter referred to as CDP) is known. Abbreviation) is the most common.

That is, the CDP has been proposed as a separate player, ie, portable or combined with an audio system, or in recent years, has been proposed as an automobile CDP in accordance with the trend of high-end automobiles.

Figure 1 shows such a typical automotive compact disc player.

This, the drive motor (M) is located on the inner surface of the main chassis 1, a plurality of gear groups (G) rotated by the drive motor (M) is located on one side of the front. At this time, in particular, one end of the rotary shaft 2 rotatably supported by the main chassis 1 on the side corresponding to the gear g is press-fitted to the center surface of the final gear g. That is, the rotation shaft 2 is rotationally driven by the gear g.

Further, on the outer circumferential surface of the rotary shaft 2, an elongated guide roller 3 which is interlocked and rotated by the rotation of the rotary shaft 2 is inserted.

Meanwhile, the upper surface of the main chassis 1 is in contact with and presses the upper surface of the optical disk D guided by the guide roller 3, thereby guiding the optical disk D together with the guide roller 3. The front top plate 4 for generating the pressing force is provided.

In addition, a chucking plate 5 is positioned above the rear surface of the main chassis 1 to receive the power from the driving motor M and chuck the optical disk D rotated at a predetermined angle and seated on the turn table. .

The optical disk player configured as described above, when the optical disk (D) is inserted from the front of the main chassis (1), the guide is rotated by receiving the power from the drive motor (M) through a plurality of gear groups (G) The optical disk D is guided by the pressing force between the roller 3 and the front top plate 4 to be seated on the turn table and simultaneously chucked by the chucking plate 5 to be driven to rotate together with the turn table, not shown. It is recorded / played back by the Pick-up Unit.

However, in such a vehicle optical disc player, there are many problems listed below.

First, since the material of the guide roller (3) is rubber (Rubber), the wear resistance is poor and smooth loading operation of the optical disk is not made when used for a long time;

Secondly, the design difficulty of precisely controlling the friction coefficient between the rotating shaft 2 and the guide roller 3;

Third, when a slip occurs between the rotating shaft 2 and the long guide roller 3 due to the above-described problem, the loading is not performed.

In order to solve such a problem, the applicant has proposed an improved automotive optical disc player through Patent Application No. 96-? As shown in FIGS. 2 and 3.

That is, the main chassis 10, the tray (Try; 20) located on the inner surface of the main chassis 10 and the tray 20 for sliding conveying along the inside and the outside of the main chassis 10 It is roughly classified as a guiding means.

Clamp chassis 12 having a clamper (clpmper; 11) provided at the center front of the rear side of the main chassis 10 is hinged to be rotatable, and in particular, one side of the main chassis 10 is an optical disk (D). The guide groove 10a is formed in the cutting direction in the traveling direction.

On the other hand, the tray 20 has an optical disk D seated on its upper surface, and has a substantially plate-like shape. Moreover, the groove | channel 20a of predetermined width is formed in the rear center surface of this tray 20 toward the front surface.

The above-mentioned guiding means is located on the inner surface of the main chassis 10, that is, provided on the side opposite to the portion where the guide groove 10a is formed, and the detailed structure of the guiding means guides the main chassis 10. From one side of the tray 20 corresponding to the groove 10a, a guide jaw 21 is slidably inserted into the guide groove 10a.

On the other hand, the drive motor (M) and the plurality of gear groups (G) rotated by the drive is located on the inner surface of the main chassis 10 facing the portion where the guide groove (10a) is formed.

In addition, one side of the main chassis 10 is located along the longitudinal direction, that is, the conveying spring 30 in the sliding conveying direction of the tray 20, one end of the conveying spring 30 is the above-described drive motor ( It is fixed to the final gear (g) of the plurality of gear group (G) that is rotationally driven by M), the other end is rotatable on the guide bracket 13 located on the rear inner surface of the main chassis (10). Combined.

At least one or more guiders 40 and 40 'extend from one side of the tray 20 corresponding to the transfer spring 30, and the guiders 40 and 40' are provided with a transfer spring ( It is inserted to receive the feed force by the rotation of 30). That is, the spiral groove is formed so that the transfer spring 30 is inserted into each of the inner surface.

As described above, the present inventors have applied for a vehicle optical disc player to load and unload the optical disc through the tray 20, so that the stabilization of the optical disc player can be achieved compared to the conventional loading and unloading operation through the roller. There is a problem in that a stable clamping operation cannot be performed because there is no means for lowering the clamp chassis 12 to chuck it when the optical disk is seated on a turn table on a driving unit (not shown).

The present invention was devised to solve the problems of the applicant's prior application for the optical disc player for the vehicle, and of course, the loading and unloading operations of the optical disc can be performed stably, and particularly, the clamping operation can be performed stably. It is an object of the present invention to provide a vehicular optical disc player.

In order to achieve the above object, an optical disc player for a vehicle according to the present invention includes a main chassis in which a clamp chassis is hinged rotatably on an inner rear side thereof and a guide groove is cut in a sliding direction of the optical disc on one side thereof, and An optical disk is mounted on the upper surface, and includes a plate-shaped tray slidably installed along the inside and the outside of the main chassis through a guiding means, and chucking means for rotating the clamp chassis to chuck the optical disk. In the vehicular optical disc player, the chucking means is located on the inner side of the center of the main chassis, the lower surface of the gear is formed so as to rotate in conjunction with the guiding means, the upper surface of the rotating body formed with a cam groove; A moving plate having a plurality of guide grooves formed on one side of the main chassis, an inclined groove formed on an upper surface thereof, and an extension piece having a engaging groove formed on one side thereof; A guide rod extending from one side of the front surface of the clamp chassis and contacting an upper surface of the moving plate; Its center surface is pivotally supported on the main chassis rotatably, one end of which is inserted into the cam groove of the rotating body and the other end of the rotary lever is fixed to the locking groove of the moving plate; do.

1 is a plan view of a conventional vehicle optical disc player.

2 and 3 are a plan view and an excerpt sectional view of a vehicular optical disc player filed by the present applicant.

4 and 5 are a plan view showing an operating state of another vehicle optical disk player in the present invention.

6 is a side view.

Explanation of symbols on the main parts of the drawings

10: main chassis 10a: guide groove

20: tray 60: driving unit

70: rotating body 71: gear

72: cam groove 80: moving plate

81: guide groove 82: inclined groove

83: extension piece 83a: locking groove

84: guide rod 90: rotary lever

Such a characteristic configuration and the effects of the present invention will be more apparent through the detailed description of the invention with reference to the accompanying drawings to be described later.

4 and 5 are plan views of an optical disc player for a vehicle according to the present invention, and FIG. 6 is a side view conceptually showing the optical disc player according to the present invention. The following description will be given with reference to the optical disc player, namely, FIGS. 2 and 3, filed by the present applicant.

First, referring to FIGS. 2 and 3, the rear surface of the main chassis 10 has a hinge defect in which the clamp chassis 12 provided with the clamper 11 is pivotably hinged, especially one of the main chassis 10. Guide grooves 10a are formed in the side in the advancing direction of the optical disk D.

On the other hand, the tray 20 has an optical disk D seated on its upper surface, and has a substantially plate-like shape. Moreover, the groove | channel 20a of predetermined width is formed in the rear center surface of this tray 20 toward the front surface.

As a guiding means for loading / unloading the tray 20 described above, the guide groove 10a of the main chassis 10 can be slid into one side of the tray 20 corresponding to the guide groove 10a of the main chassis 10. Guide jaw 21 is inserted to be inserted is formed to extend.

On the other hand, the drive motor (M) and the plurality of gear groups (G) rotated by the drive is located on the inner surface of the main chassis 10 facing the portion where the guide groove (10a) is formed.

In addition, one side of the main chassis 10 is located along the longitudinal direction, that is, the conveying spring 30 in the sliding conveying direction of the tray 20, one end of the conveying spring 30 is the above-described drive motor ( It is fixed to the final gear (g) of the plurality of gear group (G) that is rotationally driven by M), the other end defects to be idling on the guide bracket 13 located on the rear inner surface of the main chassis (10). do.

At least one or more guiders 40 and 40 'extend from one side of the tray 20 so as to correspond to the transfer spring 30, and the guiders 40 and 40' are formed of a transfer spring ( It is inserted to receive the feed force by the rotation of 30). That is, the spiral groove is formed so that the transfer spring 30 is inserted into each of the inner surface.

On the other hand, at this time, the transfer spring 30 is formed to extend in the longitudinal direction there is a risk of sagging itself. Therefore, in order to prevent this, the U-shaped bracket 50 is installed in the longitudinal direction so as to surround the transfer spring 30 from one side of the main chassis 10 as shown in FIG. 4.

4 and 5, a driving unit 60 is positioned on an inner side surface of the main chassis 10, and although not shown, the optical disk D is seated on the driving unit 60. The turn table is located.

In addition, when the optical disk D is seated on the turn table, the above-described clamp chassis 12 is lowered to provide chucking means for clamping through the clamper 11.

Such a chucking means is substantially having the characteristic elements of the present invention, the central body of the main chassis 10, the rotating body 70 is interlocked by the aforementioned guiding means to rotate the shaft support rotatably The lower surface of the rotating body 70 is formed with the gear G constituting the guiding means and the gear 71 engaged therewith, and particularly, the cam groove 72 is formed on the upper surface with a predetermined shape. .

On the other hand, the moving plate 80 is located on one side of the main chassis 10, a plurality of guide grooves 81 on the side of the moving plate 80 is long relative to the insertion direction of the optical disk (D) The inclined groove 82 is formed at a predetermined curvature on the upper surface thereof. In addition, one side surface of the moving plate 80 is formed with an extension piece 83 having a locking groove 83a formed therein.

At this time, the guide rod 84 extending from one side of the clamp chassis 12 is in contact with the upper surface of the moving plate 80 described above.

On the other hand, as the sliding plate 80 for substantially conveying the inside and outside of the main chassis 10, the rotary lever 90 is pivotally supported on one side of the main chassis 10, the bar One end of the rotary lever 90 is inserted into the cam groove 72 of the above-described rotating body 70, the guide shaft 91 is formed to extend along the guide shaft, the other end opposite to the guide shaft 91 The locking bar 92 is extended to be locked to the locking groove 83a formed in the extension piece 83 of the moving plate 80.

Referring to the operating state of the present invention configured as described above are as follows.

First, the state shown in FIG. 4 is a state in which the optical disc D is not seated on the turn table (not shown) of the driving unit 60, that is, the loading process. At this time, the rotating body 70 continues to rotate through the gear G of the guiding means for loading the optical disk D and the meshed gear 71. On the other hand, one end of the rotary lever 90, that is, the guide shaft 91 is inserted into the cam groove 72 of the rotating body 70, the curvature of the cam groove 72 is formed in the radial direction of the rotary lever 90 Since it is a section with the same radius as, it is not rotated.

In this state, as shown in FIG. 5, when the optical disk D is seated at the turntable of the driving unit 60, the cam groove 72 formed on the upper surface of the rotating body 70 forms an inclined section. Accordingly, the rotary lever 90 is rotated in the clockwise direction. As the rotary lever 90 is rotated in the clockwise direction, the other end of the rotary lever 90 is extended, that is, the engaging rod 92 is inserted. The moving plate 80 having the piece 83 is moved forward in the conveying direction of the optical disk D. FIG.

When the moving plate 80 is moved forward to some extent as described above, the guide rods 84 extending from one side surface of the clamp chassis 12 and contacting the upper surface of the moving plate 80 are moved to the moving plate 80. As it is downward along the inclined groove 82, the clamp chassis 12 is lowered by the elastic force of the spring, which is not shown but elastically supported downwards, thereby gently chucking the optical disk D seated on the turntable. It is to be made.

As described above, according to the vehicular optical disc player according to the present invention, there is an advantage that the loading caused in conveying the disc through the guide roller formed of the conventional rubber can be reliably solved by loading through the tray. Of course, there is an effect that the optical disk can be chucked on the turntable in a particularly stable manner.

Claims (1)

A clamp chassis is hingedly coupled to the inner rear thereof and a guide groove is formed on one side thereof in a sliding direction of the optical disk, and an optical disk is seated on an upper surface of the main chassis. A plate-shaped tray slidably installed along the inner and outer sides, An on-vehicle optical disc player comprising chucking means for rotating the clamp chassis to chuck the optical disc. The chucking means, Located on the inner side of the center of the main chassis 10, the lower surface of one side is formed with a gear 71 to rotate in conjunction with the guiding means, the upper surface of the rotating body 70 is formed with a cam groove 72; A plurality of guide grooves 81 are formed on one side of the main chassis 10, and inclined grooves 82 are formed on an upper surface thereof, and a locking groove 83a is formed on one side thereof. A moving plate 80 having an extension piece 83 formed thereon; A guide rod (84) extending from one side of the front surface of the clamp chassis (12) and contacting an upper surface of the moving plate (80); The center surface thereof is pivotally supported on the main chassis 10 in a rotatable manner, one end of which is inserted into the cam groove 72 of the rotating body 70 and the other end of the locking groove 83a of the moving plate 80. Rotating lever 90 is fixed to the; optical disk player for a vehicle comprising a.