JP2550476Y2 - Compact disk player loading module up / down device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading / unloading device for a compact disc player, and more particularly, when loading / unloading a loading module, the loading frictional force is reduced to a minimum and the loading is reduced. The present invention relates to a loading module up / down device for a compact disc player that can be smoothly operated.

[0002]

2. Description of the Related Art Conventionally, a loading module up / down device for a compact disc player has
As shown in FIGS. 3 to 7, a turntable 2 is installed on an upper surface of the pickup module 1, a loading module 3 is installed on an upper surface of the turntable 2, and a loading plate is installed on a lower surface of the loading module 3. 4, the loading plate 4 performs a reciprocating motion and an elevating motion by a power transmission mechanism described later, so that the loading module 3 is reciprocated and moved up and down. The loading module 3 is elastically supported downward on the upper surface of the pickup module 1 by a plurality of tension springs 5, 5 '. Also, the pickup module 1
3 has three guide holes 7 (A1, A2, A in FIG. 3).
3), each of the guide holes 7 is formed with a hole, and an inclined guide plate 6 inclined downward by a predetermined angle at one side of each of the guide holes 7 is formed to be bent integrally with the pickup module 1. Further, a slide guide 9 having each guide surface 8 is screwed to the loading plate 4 by a fixing screw 10 on a lower surface of the loading plate 4 corresponding to the guide hole 7 and the inclined guide plate 6. In the power transmission mechanism, the motor 11, the worm 12 supported by the motor 11, the worm gear 13 engaged with the worm 12, and the connecting gears 14 for transmitting the driving force of the worm gear 13 to the cam gear 16, 15 and a cam groove 18 formed on a lower surface of the cam 19 of the cam gear 16.
And a cam pin 17 fixed to a predetermined portion of the loading plate 4 so as to be engaged with the cam groove 18. In the operation of the conventional compact disk player loading module up / down device configured as described above, when the compact disk player is loaded, the power is supplied to the motor 1.
1, the motor 11 is driven, and the driving force is changed from the worm 12 to the worm gear 13 to the connecting gear 14.1
5 → the cam gear 16 is sequentially transmitted to rotate the cam gear 16 in the direction A shown in FIG. Then, the cam gear 1
The loading module 3 and the loading plate 4 are moved in the direction B shown in FIG. 3 by overcoming the elastic force of the tension springs 5 and 5 'by the cam pins 17 engaged with the cam grooves 18 of the loading plate 6. 4
The slide guide 9 is inserted into the guide hole 7 of the pickup module 1, so that the disc is placed on the turntable 2.

[0003]

However, in the loading / unloading device of the conventional compact disc player configured as described above, when the loading module 3 is moved up / down, the guide surface 8 of the slide guide 9 is not moved. Although the inclined guide plate 6 of the pickup module 1 is combined with the inclined guide plate 6, the frictional contact at the time of the combination is quite intense. There was an inconvenience that the life was shortened.

In order to solve such a problem, the inventors of the present invention have studied and as a result, have attempted to provide a loading module up / down device for a compact disc player as follows.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a loading module for a compact disc player which can perform a smooth up / down operation by minimizing a frictional force when the loading module is up / down. It is intended to provide an up / down device.

An object of the present invention is to provide a plurality of guide holes formed in a pickup module, an inclined guide plate formed on one side of each of the guide holes and inclined downward at a predetermined angle. This is achieved by configuring a loading module up / down device for a compact disc player by means of guide means provided with guide rollers at predetermined locations on the lower side of the loading plate corresponding to the guide holes and the inclined guide plate.

[0007]

When the loading module is moved up / down, the guide roller of the loading plate guiding means is rolled on the inclined guide plate of the pickup module, and is moved up / down in the guide hole.
Therefore, the friction force generated when the loading module is moved up / down is extremely reduced.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1 (A), 1 (B) and 1 (C), in the loading module up / down device for a compact disc player according to the present invention, a turntable 2 is installed on an upper surface of a pickup module 1. A loading module 3 is provided on the upper surface of the turntable 2.
Is downwardly elastically supported on the upper surface of the pickup module 1 by a plurality of tension springs 5, 5 ', and the loading plate 4 is adhered to the lower surface of the loading module 3, and the loading plate 4 is reciprocated by the power transmission mechanism. The loading module 3 is also reciprocated and raised and lowered together by performing the lifting and lowering movement. The power transmission mechanism includes a motor 11, a worm 12, a worm gear 13, a cam gear 16, connecting gears 14, 15, and a
And a cam pin 17 engaged with the cam groove and fixed to the loading plate 4. A plurality of guide holes 7 are respectively formed in predetermined portions of the pickup module 1, and an inclined guide plate 6 inclined downward by a predetermined angle on one side of each of the guide holes 7 is integrated with the pickup module 1. It is bent. Further, a plurality of guide means 20 are respectively installed on the lower surface of the loading plate 4 corresponding to the guide holes 7 and the inclined guide plate 6, and the guide means 20 are loaded on the inclined guide plate to load the loading module 3. Up / down operation is performed. The guide means 20 includes a support plate 22 fixed to each part of the loading plate 4 corresponding to each guide hole 7 of the pickup module 1, and a shaft pin fixed to a predetermined part of the support plate 22. 23, and a guide roller 21 that is rotatably supported by the shaft pin 23 and is rolled on the inclined guide plate 6 of the pickup module 1. Here, the support plate 22 may be formed by bending the loading plate 4 vertically, or may be used by fixing separate support plates to the loading plate 4, respectively. At the other end of the shaft pin 23, a hooking step 23a is formed to prevent the guide roller 21 from coming off. In the drawing, the same components as those in the related art are described using the same reference numerals.

The operation of the loading module up / down device for a compact disc player according to the present invention will now be described. First, when power is supplied to the loading motor 11,
The loading motor 11 is driven, and the driving force is sequentially transmitted to the worm 12 → worm gear 13 → connection gears 14, 15 → cam gear 16 of the power transmission mechanism. Next, the rotation of the cam gear 16 causes the cam groove 18 of the cam 19 to rotate.
The cam pin 17 engaged with the cam pin 17 swings,
The loading module 3 and the loading plate 4 are reciprocated by means of
After being moved by overcoming the elastic force of 5 ', the guide means 20 of the loading plate 4 is rolled on the inclined guide plate 6 of the pickup module 1 and moved into and out of the guide hole 7 to perform up / down loading. The action takes place. That is, in the present invention, the guide roller 21 of the guide means 20 of the loading plate 4 is rolled on the inclined guide plate 6 of the pickup module 1 and is moved up and down in the guide hole 7, so that the loading module is loaded. The frictional force generated at the time of up / down is extremely reduced as compared with the conventional case.

On the other hand, as another embodiment according to the present invention, as shown in FIG. 2, two support plates 22 and 22 'are fixed to both sides of the guide means 20, and both side support plates 2 are fixed.
The guide means 20 may be formed by providing a shaft pin 23 between the pins 2 and 22 'and rotatably supporting the guide roller 21 on the shaft pin 23. That is, in the guide means 20 of such another embodiment, since the guide roller 21 is supported by the shaft pin 23 penetrating through the both-side support plates 22, 22 ', the loading module is moved up / down. In this case, the balance of the forces is better maintained and the frictional forces are further reduced.

[0011]

As described above, in the loading module up / down device of the compact disc player according to the present invention, when the loading module is up / down, the guide roller of the loading plate is attached to the inclined guide plate of the pickup module. Since the up / down operation is performed while rolling, the frictional force generated at the time of up / down operation is extremely reduced as compared with the related art, and there is an effect that the up / down operation can be performed smoothly.

[Brief description of the drawings]

FIG. 1 shows a loading module according to the present invention.
FIG. 1 (A) is a front view showing the guide means, FIG. 1 (B) is a partial side view showing a state where the apparatus is loaded up, and FIG. () Is a partial side view showing a state where the apparatus is loaded down.

FIG. 2 is a front view showing another embodiment of the guide means according to the present invention.

FIG. 3 is a plan view illustrating a loading module up / down device of a conventional compact disc player.

FIG. 4 is a side view showing a loading-up state of a conventional loading module up / down device.

FIG. 5 is a partial side view showing a loading-down state of a conventional loading module up / down device.

FIG. 6 is a cross-sectional view showing a state where a conventional slide guide is screwed into a loading plate.

FIG. 7 is an explanatory diagram of an operation of a guide surface of a conventional slide guide and an inclined guide plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Pickup module 2 ... Turntable 3 ... Loading module 4 ... Loading plate 5, 5 '... Tension spring 6 ... Inclination guide plate 7 ... Guide hole 8 ... Guide surface 9 ... Slide guide 10 ... Fixing screw 11 ... Motor 12 ... Warm DESCRIPTION OF SYMBOLS 13 ... Worm gear 14, 15 ... Connection gear 16 ... Cam gear 17 ... Cam pin 18 ... Cam groove 19 ... Cam 20 ... Guide means 21 ... Guide rollers 22, 22 '... Support plate 23 ... Shaft pin 23a ... Hanging step

Claims (5)

(57) [Scope of request for utility model registration] 1. A pickup module (1), a loading module (3) installed on an upper surface of the pickup module (1), and a loading plate (4) adhered to a lower surface of the loading module (3). A power transmission mechanism for reciprocating and raising and lowering the loading plate (4); a plurality of guide holes (7) formed at predetermined positions of the pickup module (1); and one of the guide holes (7) An inclined guide plate (6) formed on a side of the loading module.
(3) is the inclined guide plate of the pickup module (1)
Compact disc that is up / down through (6)
Up / down loading module for loading player
A location, said inclined guide plate of the pickup module (1) (6)
The loading module so that it comes into rolling contact with
(3) below the loading plate (4)
Equipped with guide means (20) having guide rollers (21)
To load / load the loading module (3).
Guide means (20) on each of the inclined guide plates (6).
Guide roller (21) is in rolling contact and is loaded
Compact data
Disc player loading module up / dow
Device. 2. The guide means (20) includes a support plate (22) fixed to a lower surface of the loading plate (4) corresponding to the guide hole (7), and the support plate (22).
The pivot pin (23) fixed to a predetermined portion and comprising a front
A guide roller (21) is rotatably supported by the shaft pin (23) and comes into rolling contact with the inclined guide plate (6) .
2. The loading module up / down device for a compact disc player according to claim 1, wherein 3. The loading module of a compact disc player according to claim 2, wherein said support plate is formed by bending said loading plate vertically at a predetermined portion of said loading plate. / Down device. Wherein said shaft pins (23), Kaketomedan (23a) is formed at the other end of the shaft pin (23), and adapted to prevent separation of the guide rollers (21) 3. The loading module up / down device for a compact disc player according to claim 2, wherein: 5. The guide means (20) includes a pair of support plates (2) fixed to predetermined portions below the loading plate (4) corresponding to the respective guide holes (7) of the pickup module (1). 22) (22 '),
Each shaft pin (23) penetrated between the support plates (22) and (22 '), and rotatably supported by the shaft pin (23) to be rolled on the inclined guide plate (6). 2. The loading module up / down device for a compact disc player according to claim 1, wherein said loading module comprises a guide roller.