KR960005651B1 - Disc-cartridge loading apparatus for mini-disc player - Google Patents

Abstract

The disc cartridge loading apparatus using a simple mechanism instead of using a loading motor or a motor-driven gear comprises a deck(12) on which the spindle assembly composed of a turntable, a spindle motor, and a spindle shaft is fixed. The deck inserted in the common damping member(14) is mounted on the base plate(10) fixed at the bottom of the housing. A tray(16) is installed afloat on the deck. A disk cartridge loading means(18) setting the tray on the deck is constructed by connecting the tray to the deck with a hinge and a spring. The upper and lower end of the spring moves forward and downward respectively. When the operating force is applied, the disk cartridge loading means rotates and moves vertically. An ejecting means(20) is provided at the front part of the housing to eject the loaded tray.

Description

Disc cartridge loading device for mini disc player

1 is an exploded perspective view of a disc cartridge loading device of a mini disc player according to the present invention.

2 is a perspective view of the coupled state of FIG.

3 is a partial plan view of FIG.

4 is an operational state diagram of the present invention, (a) is a side view showing the internal structure of the initial state, (b) is a side view of the disk cartridge is inserted into the operating piece standing, (c) the tray is loaded on the deck Side view of the state.

* Explanation of symbols for main parts of the drawings

10: base plate 12: deck

16 tray 18 disc cartridge loading means

20: ejection means 24: buffer pad

34: operating piece 36: first spring

38: third spring 42: pressing piece

44: eject pin 46: eject pin guide bracket

48: eject spring

The present invention relates to a disc cartridge loading apparatus of a mini disc player, and more particularly, to exclude loading means consisting of conventional loading motors and electric gears, and to simply load and eject the disc cartridges by a simple mechanical mechanism. It relates to a disc cartridge loading device of a mini disc player.

In general, the front-loading mini disc player is fixedly mounted on the bottom surface of the housing in the lower part of the spindle assembly is rotated by the disc cartridge is seated, the mini disc player inside the disc cartridge is rotated by the action of the spindle assembly The pickup device is installed to read the information recorded on the disk while moving linearly from the bottom of the mini-disc to the radial direction. A tray for loading and unloading the disc cartridge to the turntable constituting the spindle assembly is installed at the upper portion thereof. A base plate coupled to the base plate and a moving plate installed in the guide plate protruding from the left and right sides of the tray to slide the plate forward and backward in the housing by receiving external power, It is installed between one side wall of the base plate and the housing is a loading means for transmitting power to the moving plate and a lowering side of the base plate and a feeding mechanism for transmitting power to the pickup device.

However, in the structure of the conventional mini-disc player, the transfer operation of the tray for loading or unloading the disc cartridge with respect to the turntable is performed by the loading means consisting of a loading motor, an electric gear, and a moving plate transfer gear. In this structure, since the moving plate is inevitably required to be applied, the internal structure of the player main body becomes very complicated, and the weight of the product becomes heavy and bulky, which is a big obstacle in miniaturizing and miniaturizing the recent mini disc player. There was a problem of being a factor.

In addition, there is a problem that the productivity is very poor due to the increase in the number of work in the production line due to the structural complexity.

The present invention is to solve such a conventional problem, a deck on which a spindle assembly consisting of a turntable, a spindle motor and a spindle shaft is mounted on the base plate fixed to the bottom of the housing using a conventional damping member. And, installing the floating tray (floating) above the deck, the upper side is hinged to the tray side on both sides of the tray and the deck, the lower end is fitted to the deck side, the upper front and the lower outer side respectively The disc cartridge loading means for moving the tray to the spindle assembly position on the deck while rotating and vertically moving when the working force is applied in the coalesced state by the spring acting forward and downward, and inward from the front of the housing Separate eject to eject the loaded tray It is an object of the present invention to provide a disc cartridge loading device for a new type of mini disc player in which a disc cartridge loading and ejection operation can be easily performed by a simple mechanical mechanism.

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

As shown in FIGS. 1 to 3, the deck 12 having the spindle assembly composed of a turntable, a spindle motor, and a spindle shaft is fixedly installed above the base plate 10 fixed to the bottom surface of the housing. ) Is installed in the normal damping member 14, and the tray 16 is floated above the deck 12, but the upper end is formed on both sides of the tray 16 and the deck 12. Hinge coupled to the side, the bottom is fitted to the deck (12) side, and the rotary motion and the vertical linear movement when the working force is applied in a state in which the top and the bottom is installed by the spring acting forward and downward respectively The disc cartridge loading means 18 for seating the deck 16 on the deck 12 is provided, and the tray in the state of being loaded in the direction of the disc cartridge loading means 18 on both sides of the deck 12 from the front of the housing ( 16) Installing the ejection means (20) for objects to have the characteristic.

In the present invention as described above, the base plate 10 has a structure in which the stopper 22 is bent upward from the rear end thereof, and the shock absorbing buffer pad 24 is mounted on the inner surface of the upper end of the stopper 22. Have

On the other hand, in the present invention, the disc cartridge loading means 18, the upper end is hinged by the hinge shaft 26 at a predetermined position on the side of the tray 16, the lower end of the guide pin 28 protruding therein Thereby, one end is coupled to the operating piece 34 fitted to the guide slot 32 on the guide piece 30 formed downward at the predetermined position on the deck 12 side, the upper end of the operating piece 34, The other end is coupled to the front side of the deck 12, the first spring 36 for pulling the operating piece 34 forward, one end is coupled to the outside of the lower end of the operating piece 34, the other end The second spring 38 is coupled to the lower end of the guide piece 30 on the side of the deck 12 and pulls the operation piece 34 downward.

In the disk cartridge loading means 18 configured as described above, the elastic force of the first spring 36 is configured to be stronger than that of the second spring 38.

On the other hand, in the present invention, the ejection means 20 is formed in the center of the push button 40 toward the front, the push button 40 integrally with the push piece having the same width as the deck 12 (42), and eject pins protruding from the lower end inner side of the operating piece 34 in a state protruding into both ends of the pressing piece 42 to push up the guide pin 28 fitted into the guide slot 32 ( 44, an eject pin guide bracket 46 into which the eject pin 44 is inserted and guided at both ends of the base plate 10, and the pressing piece 42 and the eject pin guide bracket ( 46) It is composed of the eject spring 48 to be made elastically the pressing operation of the eject pin 44 in the state sandwiched between the front.

In the ejection means 20 formed as described above, the tip of the eject pin 44 is formed to be inclined downward by a predetermined angle.

The operation of the present invention as described above is as follows.

As shown in (a) of FIG. 4, the operating piece 34 constituting the disc cartridge loading means 18 is erected upward of the deck 12 by the pulling action of the first spring 36, and thus the tray 16 When the user pushes the disc cartridge 50 into the tray 16 in the initial state of floating, the first spring 36 as the front end of the disc cartridge 50 is pushed against the rear end of the tray 16 Pulled upwards, as shown in (b) of FIG. 4, the operating piece 34 is vertically rotated upward with its upper end rotated about the hinge axis 26.

As described above, in the state in which the operating piece 34 is vertically placed, as shown in (c) of FIG. 4, the restoring force of the second spring 38 is applied to the lower side of the operating piece 34 to be pulled downward. As the guide pin 28 protrudes downward of the guide hole 32 formed on the guide piece 30 on the side of the deck 12, the deck 16 is inserted from the tray 16 into which the disc 16 is inserted. (12) The loading operation is completed while seated on the upper surface.

At this time, as the tip of the eject pin 44 constituting the ejection means 20 is lowered along the inclined surface, the eject pin 44 and the pressing piece 42 integrated therewith are pushed toward the front of the housing. I will.

When the disc cartridge 50 is to be taken out from such a state, when the user presses the push button 40 from the front of the housing, the eject pin 44 protruding into both ends of the push piece 42 is guided on the side of the deck 42. Push up the guide pin 28 at the lower end of the operating piece 34 fitted on the piece 30 to raise the operating piece 34 as shown in FIG. 4 (b), and the restoring force of the first spring 36 is raised. While operating, the operating piece 34 is rotated forward with respect to the hinge shaft 26, and thus the disc cartridge 50 can be taken out while the tray 16 into which the disc cartridge 50 is inserted is moved forward. It is in a state.

According to the present invention, the loading operation of the disc cartridge is performed by mechanical loading means consisting of the first spring, the second spring, and the actuating piece, and the ejection operation is also performed by the ejection means composed of the mechanical mechanism. There is an effect that the operation is made simple, and the internal structure is simple to achieve the miniaturization and thinning of the product.

Claims (6)

The deck 12 having a spindle assembly composed of a turntable, a spindle motor, and a spindle shaft is fixedly installed on the damping member 14 and installed above the base plate 10 fixed to the bottom surface of the housing. (12) The tray 16 is installed above the float, the upper end is hinged to the side of the tray 16 to both sides of the tray 16 and the deck 12, the lower end is inserted into the deck 12 side Disc cartridge loading means for installing the tray 16 on the deck 12 while the rotary motion and the vertical movement when the working force is applied in the state that the upper and the bottom is installed by the spring acting forward and downward, respectively. (18) and ejecting means (20) for ejecting the tray (16) in a loaded state from the front of the housing to the disc cartridge loading means (18) on both sides of the deck (12) Disc cartridge loading apparatus of the mini disc player, characterized by. According to claim 1, wherein the base plate 10 is formed by bending the stopper 22 integrally upwards from the rear end thereof, the shock absorbing buffer pad 24 for mounting the shock absorber 22 on the inner surface of the stopper 22 Disc cartridge loading device of the mini disc player, characterized in that the. The disc cartridge loading means 18 has an upper end hinged by a hinge shaft 26 at a predetermined position on the side of the tray 16, and the lower end is provided with a guide pin 28 protruding therein. Thereby, one end is coupled to the operation piece 34 fitted in the guide hole 32 on the guide piece 30 formed downward from the predetermined position on the side of the deck 12, and one end is coupled to the upper front of the operation piece 34, The end is coupled to the front side of the deck 12, the first spring 36 for pulling the operating piece 34 forward, one end is coupled to the outside of the lower end of the operating piece 34, the opposite end is Disc disc loading device of the mini-disc player, characterized in that consisting of a second spring (28) coupled to the bottom of the guide piece (30) on the side of the deck (12) to pull the operation piece (34) downward. 4. The disc cartridge loading apparatus of claim 3, wherein the first spring is made stronger than the elastic force of the second spring. According to claim 1, wherein the ejection means 20 is a push button 40 facing the front in the center, and a pressing piece having a width equal to the width of the deck 12 is formed integrally with the push button 40 ( 42), an eject pin 44 protruding into both ends of the pressing piece 42 and pushing up the guide pin 28 protruding into the lower end of the operation piece 34, and the tip end of the base plate 10; The eject pin (44) is inserted into the eject pin (44) guided in the state protruding on both sides, and the eject pin (in the fitted state between the pressing piece 42 and the eject pin guide bracket 46 front) 44. A disk drive loading apparatus for a mini disc player, characterized in that it is made of an eject spring (48) for pressing the elastically. The disc cartridge loading apparatus of claim 5, wherein the tip of the eject pin (44) is formed to be inclined downward by a predetermined angle.