KR0158843B1 - An unit for holding and flowing assembly of car-cd - Google Patents

Abstract

The present invention is to hold and float the chassis assembly of the car CD to be able to simultaneously operate the moving plate on both sides to float the chassis assembly when playing the car CD and holding the chassis assembly when ejecting The purpose of the present invention is to provide a device for loading a disc of a car CD without using a loading roller, and by using a gear to operate a guide member for holding and floating a chassis assembly while simultaneously loading a disc using a tray. The present invention provides a car CD drive with a tray which can reliably prevent mechanical malfunction due to unspeaking operation of the guide member. The configuration is to hold and float the car CD's chassis assembly. In the device for, the lower end of the front end is bent inwardly perpendicular to a predetermined section Along the two-way with the moving plate having a gear portion being integrally formed teeth; A plate shape having a predetermined shape, which has an idle gear for operating the moving plate in engagement with the gear portion on one side of a predetermined position, and is equipped with a drive transmission gear rotatably axially supported so as to be rotatable at a predetermined position on the upper surface of the main chassis. A drive gear plate which is axially supported and whose one end is fitted to the actuator end of the solenoid; And a power transmission gear having a spur gear portion and a worm gear portion integrally rotatably supported at a predetermined position on the upper surface of the main chassis so as to be engaged with the worm of the driving transmission gear and the loading motor at the same time to drive the driving transmission gear. It features.

Description

Device for holding and floating the car CD's chassis assembly

1 is a plan view showing an installation state of a conventional operation member.

2 (a) and (b) are perspective views showing a conventional guide member.

3 is a plan view showing the structure of the holding and floating apparatus of the present invention.

4 is a side view showing an operating state of the holding and floating device of the present invention.

* Explanation of symbols for main parts of the drawings

10: main chassis 11: moving plate

12: Loading Motor 13: Solenoid

14: power transmission gear 15: drive gear plate

16: drive transmission gear 17: idle gear

The present invention relates to a device for holding and following a car CD's chassis assembly, in particular operating a moving plate on both sides which floats the chassis assembly when playing the car CD and holds the chassis assembly when ejecting. A device for holding and floating a car CD's chassis assembly that can be operated simultaneously without

As shown in Figs. 1 to 2 (b), the conventional CD drive of a car CD has roughly both first and second pivotal members i, j and respectively on both sides of the main chassis d. Side parts (g, h) fixedly mounted to the first and second guide plates (e, f) and the first and second guide members (34) which are assembled to be movable back and forth on the inner surfaces of the side parts (g, h). e, f) a first and a second operating member (a, b) for operating, a cam gear (c) for operating the first and second operating member (a, b), and the cam gear ( c) a solenoid (not shown) for controlling the operation of the c), a loading motor (not shown) for driving the cam gear (c), and a plurality of oil dampers (not shown) for cushioning the chassis assembly. Consists of.

Referring to the operation of the components of the conventional CD drive of the car CD more specifically, the cam gear (c) is a threaded portion formed in a portion of the outer surface, the guide rail having a snail shape in a predetermined position on the lower surface (c1) is integrally formed and is rotatably provided by the fixed shaft c2.

The cam gear c, the solenoid and the first and second operating members a and b are installed at the front end of the main chassis d, and the first operating member a has a predetermined width. As the metal plate of the shape, the actuating protrusions a2 and a3 protrude upwardly at predetermined positions on both upper end surfaces thereof, and the guide protrusion a1 protrudes at the predetermined position at the end side at which the actuating protrusion a3 protrudes. The shaft is coupled to the bottom surface of the front end side of the main chassis d by a hinge shaft a4 at a predetermined position in the middle portion, and the guide protrusion a1 is a guide rail c1 of the cam gear c. The solenoid is installed so as to control the interlocking of the cam gear c and the first operating member a according to a predetermined control system.

The second operating member (b) is a metal plate having a zigzag shape, and at one end thereof, a working hole (b1) rotatably assembled with the operating protrusion (a2) of the first operating member (a) is formed therethrough. An actuating protrusion b2 is formed at a predetermined position on the upper end surface, and the intermediate portion is pivotally coupled to a predetermined position on the front end side of the main chassis d by a hinge shaft b3.

The first and second guide members (e, f) is a metal plate having a predetermined size and has a plurality of guide holes (e1, e2, e3, e4, e5; f1, f2, f3, f4, f5, f6), respectively. It is installed so as to be movable back and forth inside the inner side surfaces of the side parts g and h, and the lower side of the front end part has integrally operated pieces e6 and f8 having actuation holes e7 and f8, respectively. The actuating holes e7 and f8 of the first and second guide members e and f protrude from one end of the first and second actuating members a and b, respectively. It is assembled with the front and rear operation while holding and floating the chassis assembly, the loading motor is installed at a predetermined position of the bottom end of the main chassis (d) to drive the cam gear (c).

In the conventional CD-drive disc drive device having the above configuration, the loading motor is driven at the time of loading and unloading of the disc to rotate the cam gear c to rotate the cam gear c. When the first actuating member (a-1) is operated up to a predetermined period by the actuating protrusion (a-1) slidably assembled with the guide rail (c1) of the guide rail (c1), the solenoid protrudes so that the first actuating member (a) As the next section is operated, the second actuating member b is interlocked with each other to operate the first and second guide members e and f in a holding state or a floating state.

However, a conventional CD drive of a car CD has a structure in which the first and second guide members e and f are operated by the first and second operating members a and b, but the connection assembly between the members is not precise. Because the first and second guide members (e, f) are not operated at the same time due to the mutual deviation, the unbalanced operation of the first and second guide members (e, f) There was a problem that mechanical malfunction frequently occurs when loading or unloading a CD.

In view of the above problems, the present invention uses a gear to operate a guide member for holding and flowing a chassis assembly while simultaneously loading a disc using a tray without using a loading roller. It is an object of the present invention to provide a car CD drive apparatus having a tray capable of reliably preventing mechanical malfunction due to unspeaking operation of the guide member.

In order to achieve the above object, the present invention provides a device for holding and floating a chassis assembly of a car CD, wherein a gear part is formed to be bent in a right angle inwardly at a predetermined section of a front end of the front end to form a tooth along a longitudinal direction. Moving plate having; As a plate shape having a predetermined shape, a drive transmission gear rotatably axially supported and having an idle gear for operating the moving plate in engagement with the gear part on one side of a predetermined position is rotatably mounted at a predetermined position on the upper surface of the main chassis. A drive gear plate which is axially supported and whose one end is fitted to the actuator end of the solenoid; And a power transmission gear having a spur gear portion and a worm gear portion integrally rotatably supported at a predetermined position on the upper surface of the main chassis so as to be engaged with the worm of the driving transmission gear and the loading motor at the same time to drive the driving transmission gear. It features.

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

3 and 4, reference numeral 10 denotes a car CD's main chassis.

The main chassis 10 is provided with a moving plate 11 in both front and rear sides of the inner side wall, and a loading motor 12, a solenoid 13, and a power transmission gear 14 at predetermined positions of the upper front end portion. ) And a drive gear plate 15 are provided.

The moving plate 11 is integrally formed with a gear part 11a having a tooth formed along a longitudinal direction at an end thereof by forming a lower end of a front end at a predetermined section at a right angle.

The drive gear plate 15 is a metal plate having a predetermined size and shape, and a central portion thereof is axially supported on the main chassis 10 so as to be rotatable, and the drive transmission gear 16 is rotatable at a predetermined position on one side of the upper surface. It is axially supported, one end is fitted to the actuator (13a) of the solenoid 13 is installed so as to rotate in conjunction with the solaid (13).

The drive transmission gear 16 is provided with an idle gear 17, the idle gear 17 and the gear portion (11a) of the moving flake 11 according to the rotation state of the drive gear plate 15 Engaged or spaced at predetermined intervals, it rotates in engagement with the drive transmission gear (16).

The power transmission gear 14 has a spur gear portion and a worm gear portion integrally, and a predetermined position on the upper surface of the main chassis 10 to be engaged between the worm 12a of the loading motor 12 and the drive transmission gear 16. Is supported on the shaft.

Reference numeral 18 denotes the chassis assembly.

The chassis assembly 18 has a plurality of support shafts 18a and 18b protruding laterally at predetermined positions on both sides thereof and are fitted into guide holes 11b and 11c of the moving plate 11, and the main chassis ( 10, a rear end portion is hinged to the rear surface of the main chassis 10 so that the clamper plate 19 is elastically supported by the spring member 20 and is rotatable upward and downward. The support shaft 19a having a length is integrally formed, and the support shaft 19a is mounted on the upper end of the moving plate 11.

In FIG. 2 of the accompanying drawings, reference numeral 21 denotes a roller member.

Hereinafter, the operation and effects of the present invention according to the above configuration will be described in detail.

4 and 5, if a user wants to load and play a compact disc in the CD, the roller member 21 is first pushed into the front part of the CD to be pinched by the roller member 21. Is rotated to load the compact disc, centered on a turntable (not shown) and fully seated.

In the above state, since the loading motor 12 is continuously driven, the power transmission gear 14, the drive transmission gear 16, and the idle gear 17 are continuously rotated.

As described above, when the compact disc is completely seated on the turntable, the actuator 13a is contracted while the solenoid 13 is energized, and the drive gear plate 15 is half-loaded according to the contraction of the actuator 13a. Since the idle gear 17 is rotated in a clockwise direction to rotate in engagement with the gear portion 11a of the moving plate 11, the moving plate 11 gradually moves forward to support the shaft of the chassis assembly 18. Since the fixed state by the guide holes 11b and 11c of the moving plate 11 is released 18a and 18b, the chassis assembler 18 is switched to the floating state.

When the chassis assembler 18 is completely switched to the floating state, the rotation of the power transmission gear 14, the drive transmission gear 16, and the idle gear 17 is stopped because the loading motor 12 is stopped. do.

In addition, the support shaft 19a of the clamper plate 19 rotates downwardly along the upper end of the moving plate 11 as the moving plate 11 moves to reliably grip the compact disc mounted on the turntable. Thus, the preparation for regeneration is completed, and the moving plate 11 is no longer moved because the support shaft 19a of the clamper plate 19 is pressed downward of the upper end of the moving plate 11.

If the user manipulates the CD to unload the compact disc in the floating state as described above, the loading motor 12 is driven in the opposite direction as when the floating is switched. Since the transmission gear 16 and the idle gear 17 are respectively rotated in the reverse direction, the moving plate 11 is moved backward to fix the support shafts 18a and 18b of the chassis assembly 18 so that the chassis assembly ( 18) to the holding state, the support shaft (19a) of the clamper plate 19 is moved upwardly as the moving plate 11 is moved to the rear to rotate the clamper plate 19 upwards Therefore, the holding state of the compact disk held on the turntable is released, so that the roller member 21 rotates in reverse to bite the front end of the compact disk. It is capable of guiding.

As evident from the above, the present invention simultaneously moves the moving plate back and forth without mechanical malfunction, without mechanical linkage, by moving a plurality of gears and racks so as to be able to operate back and forth on both side walls of the main chassis 10 without using a link. The chassis assembler 19 can be accurately floated and held.

Accordingly, the present invention is a very excellent invention which makes it possible to ensure the floating and holding switching of the chassis assembly 19 by operating the moving plate 11 back and forth by a gear.

Claims (1)

An apparatus for holding and floating a car CD's chassis assembly, comprising: a moving plate having integrally a gear portion (11a) which is bent inwardly at a predetermined section of a front end of the front end to form a tooth along a longitudinal direction; (11); A drive transmission gear 16 rotatably axially supported and having an idle gear 17 for operating the moving plate 11 in engagement with the gear portion 11a on an upper surface of one predetermined position as a plate shape having a predetermined shape. A driving gear plate 15 mounted on the upper surface of the main chassis 10 so as to be pivotally rotatable, and one end of which is fitted to the end of the actuator 13a of the solenoid 13; The spur gear part and the worm gear part are integrally rotatably supported at a predetermined position on the upper surface of the main chassis 10 so as to be engaged with the worm 12a of the drive transmission gear 16 and the loading motor 12 simultaneously. Apparatus for holding and floating a chassis assembly of a car CD, characterized in that it consists of a power transmission gear for driving a drive transmission gear (16).