KR0120292B1 - Door mechanism of compact disk player - Google Patents

Abstract

Disclosed is a door apparatus in a compact disk player of top loading type. In the apparatus, a driving means(42) is installed under the disk collection part(24). The driving means(42) includes a motor(36), a reduction gear(38) and a transferring pinion(40). The door(14) installed on body(12) of the player slides as parallel state to the body surface. Thereby, user can change the disk with convenience.

Description

Door unit of compact disc player

1 is an exploded perspective view showing a door apparatus of a compact disc player according to the present invention.

2 is a cross-sectional view of the coupling state of FIG.

3 is a cross-sectional view taken along the line A-A of FIG. 1 for explaining the operating state of the present invention.

* Explanation of symbols for main parts of the drawings

10: door device 14: door

16: guide pin 20: bracket

28: stepped surface 30,30 ': door transfer member

32: guide pin guide 34: door transfer guide

40: feed pinion 56: rack gear

58: guide rib 60: guide rib fitting groove

The present invention relates to a door device of a compact disc player, and more particularly, in a compact disc player employing a top loading method, a door installed on an upper surface of a player main body slides in a front-rear direction in parallel to an upper surface of a main body. The present invention relates to a door device of a compact disc player that can be opened and closed while moving so that a disc replacement work can be made more conveniently.

In general, the door device of the compact disc player of the top loading method is configured such that the front end is opened and closed at a predetermined angle with the rear end as a hinge point at a predetermined position on the upper surface of the player body.

However, in the conventional compact disc player door apparatus, the door is not completely opened at an angle of 90 ° with respect to the upper surface of the player body, but the front end of the door is opened by a constant angle with its rear end as a force point. There is a problem that the operation of mounting a disk on the turntable or the lifting of the burner disk on the turntable is very inconvenient.

The present invention is to solve such a conventional problem, the object of the compact disc player to apply the top loading method is configured so that the door installed on the upper surface of the player body is slid in the front and rear direction parallel to the upper surface. It is to provide a door device of a new type of compact disc player so that the disk replacement can be made more convenient.

In order to achieve the above object, the present invention attaches and installs the guide pins facing outwards and the brackets protruding inwards vertically on both sides of the front end surface of the door installed on the upper surface of the player body, and the predetermined position on the bottom surface. Both side walls of the receiving unit having the spindle assembly and the pick-up device installed thereon and having an open upper surface are formed in a step shape having a stepped surface at a predetermined height, and the stepped surface has a guide pin and a guide protrusion on the bracket attached to the bottom end of the door. While the door transfer member is mounted to slide forward and backward according to the application of the driving force in the state coupled to each other, the guide pin guide hole and the door transfer member guide hole at a predetermined height are fixed on the side wall corresponding to the stepped surface along the door opening and closing direction. Sequentially formed at intervals, the motor, the reduction gear and the feed pin at the rear end of one side of the receiving portion And shows the relationship between the driving means has a characteristic which is rotated in engagement with said one side of the door by installing a transfer member.

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

1 is an exploded perspective view showing a door device of a compact disc player according to the present invention, wherein the door device 10 of the present invention faces outwardly on both sides of the bottom surface of the front end of the door 14 installed on the player body 12. In order to prevent the rotation of the guide pin 16 and the door 14, the bracket 20 protruding inwardly is directed vertically downward by a double-sided adhesive tape or by a conventional method such as a screw fastening method. The spindle assembly 22 and the pick-up device (not shown) are installed at a predetermined position on the bottom surface, and both side walls 26 and 26 'of the receiving portion 24 having the upper surface open at a predetermined height. It is formed in a step shape having a step surface 28, the step surface 28 is coupled to each other with the guide pin 16 and the guide protrusion 18 on the bracket 20 attached to the bottom end surface of the door 14 Sliding forward and backward in accordance with application of driving force The door transfer members 30 and 30 'which open or close the door 14 while being mounted are mounted, while a guide is provided at a predetermined height of the sidewalls 26 and 26' corresponding to the upper side of the step surface 20. The pin guide hole 32 and the door transfer member guide hole 34 are sequentially formed at regular intervals along the door opening and closing direction, and the motor 36 and the reduction gear 38 are located at one rear end of the bottom of the accommodating part 24. And a feed pinion 40, and a driving means 42 engaged with the one side door transfer member 30 and rotated is installed.

In the present invention, the door transfer member 30 is mounted on the step surface 28 and the plate-shaped body 46 of a predetermined length in which a plurality of guide pieces 44 protrude along the longitudinal direction, and the The guide protrusion insertion piece 50 which is integrally protruded from the inner side of the tip end surface of the plate-shaped body 46 and has a constant length guide 48 in the vertical direction at the center thereof is opposed to the guide protrusion insertion piece 50. Is composed of a guide pin insertion piece 54 is coupled to the position by the screw 52 and the guide hole 48 'is formed in the vertical direction in the center, the inner end of the plate body 46 of the one side door transfer member 30 From the vertical portion 46a is bent downward, the outer surface of the vertical portion 46a has a structure in which the rack gear 56 is formed.

On the other hand, in the present invention, the rib ribs 58 having a predetermined length protrude from the longitudinal center line of the step surface 28, and the guide rib fitting groove 60 is formed on the bottom of the plate body 46 corresponding thereto. The formed structure is shown.

On the other hand, in the present invention, the guide pin guide hole 32 is formed to be inclined at a predetermined inclination toward the bottom downward, the door 14 has a rear end of the inclined portion of the tip end of the guide pin guide hole 32 It is formed to be inclined at the same inclination, the rear end of the door installation portion on the player body 12 corresponding to this also shows a structure formed to be inclined at the same inclination.

FIG. 2 is a cross sectional front view of FIG. 1, in which the door 14 is placed on the upper side of the accommodating part 24 of the player body 12, and on both side walls 26 and 26 'of the accommodating part 24. The door transfer member 30 is mounted on the stepped surface 28 formed in the driving means, and the driving means comprising a motor 36, a reduction gear 38 and a feed pinion 40 at one rear of the bottom surface of the receiving portion 24 ( 42 shows a structure in which the guide pins on the bracket 20 are attached to both ends of the bottom surface of the door 14 so that the door 14 can be opened and closed from the top of the player body 12 so as to be opened and closed. (16) is threaded through the guide hole 48 'of the guide pin insertion piece 54 protrudingly coupled to the outer side of the front end of the door transfer member 30, the guide pin guide hole 32 on the side walls 26, 26' And a guide protrusion 18 for preventing the rotation of the door 14 on the bracket 20 at the same time to the guide hole 48 on the guide protrusion insert 50 on the opposite side thereof. Wojyeo shows the bonding structure.

In such a coupled state, the rack gear 56 formed on the outer surface of the vertical portion 46a of the plate-shaped body 46 constituting the door transfer member 30 fits with the feed pinion 40 constituting the driving means 42. The guide piece 44 formed at the outer end of the plate-shaped body 46 is fitted into the door transfer member guide hole 34 on the side walls 26 and 26 ', and the guide rib formed on the step surface 28. The guide rib fitting groove 60 of the plate body 46 is inserted into the 58.

The operation of the present invention configured as described above will be described with reference to FIG.

In the state in which the door 14 is initially closed as shown by the solid line in FIG. 3, when the user presses the door open switch to replace the disk 64 from the turntable 62 constituting the spindle assembly 22, The motor 36 constituting the drive means 42 rotates in a predetermined direction, and the feed pinion 40 engaged with the rack gear 56 constituting the door transfer member 30 is applied to the action of the reduction gear 38. As the plate-shaped body 46 is linearly moved backwards in a state where the plate body 46 is mounted on the step surface 28 while being rotated in place by the decelerated speed, it protrudes outward from the bracket 20 attached to the tip bottom surface of the door 14. (26) The rack gear 56 and the transfer pinion 40 with the guide pin 16 inserted in the lower end of the guide pin guide hole 32 on the (26 ') raised to the upper surface of the player body 12 along the inclined surface. Player's main body (12) To be horizontal with respect to the upper face is moved straight rearward.

When the door 14 is transported for a certain distance in this state, the motor 36 is stopped by contact with a normal limit switch (not shown), and thus the opening operation of the door 14 is completed.

In this way, when the user replaces the disk 64 in the state in which the door 14 is completed, and presses the door closing switch to close the door 14 again, the motor 36 is opposite to when the door 14 is opened. Driven in the direction, the door transfer member 30 advances forward, thereby closing the door 14.

During the opening and closing operation of the door 14, the front and rear sliding movement of the plate-shaped body 46 constituting the door transfer member 30 is such that the guide piece 44 protruding from the outer side thereof is formed on the side walls 26, 26 '. The guide ribs 58 on the step surface 28 are inserted into the guide rib fitting grooves 60 formed on the bottom surface of the plate-shaped body 46 and guided by being inserted into the door transfer member guide holes 34. It is made stable.

Applying the present invention as described above has the effect that the door can be completely opened to replace the disk more conveniently.

Claims (4)

On both sides of the tip bottom surface of the door 14, which is installed on the top of the player body 12, a guide pin 16 facing outward and a guide protrusion 18 facing inward to prevent the door 14 from rotating. 20) is mounted vertically downward, the spindle assembly 22 and the pick-up device are installed at a predetermined position on the bottom surface, and both side walls 26 and 26 'of the receiving portion 24 whose upper surface is opened at a predetermined height. It is formed in a step shape having a stepped surface 28, and the stepped surface 28 is coupled to each other with the guide pin 16 and the guide protrusion 18 on the bracket 20 attached to the bottom end surface of the door 14 While the door transfer members 30 and 30 'are slidably moved according to the application of the driving force in the state, the guide pin guide hole 32 and the door are formed at a predetermined height on the sidewall corresponding to the step surface 20. Transfer member guide hole 34 is sequentially formed at regular intervals along the door opening and closing direction, the receiving portion 24 At one rear end of the bottom surface, the motor 36, the reduction gear 38, and the transfer pinion 40 are formed, and the driving means 42 engaged with the one side door transfer member 30 is rotated. Door unit for compact disc player. The method of claim 1, wherein the door transfer member 30 is mounted on the step surface 28 and the plate-shaped body 46 of a predetermined length in which a plurality of guide pieces 44 protruding along the longitudinal direction, The guide protrusion insertion piece 50 which is integrally protruded from the inner side of the tip end surface of the plate body 46 and has a guide hole 48 of a predetermined size in a vertical direction in the center thereof, is opposed to the guide protrusion insertion piece 50. Composed by a screw 52 in the position is made of a guide pin insertion piece 54 formed with a guide hole 48 'in the vertical direction in the center, the inner side of the plate body 46 of the one side door transfer member 30 The vertical portion (46a) is bent downward from the end and the door device of the compact disc player, characterized in that the rack gear 56 is formed on the outer surface of the vertical portion (46a). The guide pin guide hole 32 is formed such that the tip thereof is inclined downward with a constant inclination downward, and the bottom surface of the door 14 is the same as the inclined portion of the tip of the guide pin guide hole 32. It is formed to be inclined inclined, the rear end of the door installation portion on the player body 12 corresponding to the door device of the compact disc player, characterized in that formed in the same inclined inclined. According to claim 2, wherein the guide rib 58 of a predetermined length protrudes on the longitudinal center line of the step surface 28, the bottom of the plate body 46 corresponding to the guide rib fitting groove 60 is formed Compact disc player door device