JPH08339660A - Optical disk drive unit - Google Patents

Abstract

PURPOSE: To obtain an optical disk drive unit whose operability is excellent and which is small and lightweight by a method wherein the completion of a loading operation is detected by inserting or removing a connector. CONSTITUTION: An optical disk unit 1 is provided with a tray 103 comprising a disk mounting part 105, and it is of a drawer type by which the tray is housed in, or discharged from, a frame 102. A protruding connector 2 which is arranged and installed at the tray 103 is connected and fixed, by solder or the like, to a body circuit board 4 which performs a optical disk control operation. A plurality of terminal parts at the protruding connector 2 are connected at the body circuit board 4 so as to become a grounding voltage or a prescribed voltage, or they are provided with insertion and removal detection terminal parts to which two terminal parts are connected electrically. In addition, a recessed connector 3 which is provided with a plurality of terminal parts so as to face the protruding connector 2 is provided at the inside on the side of the rear part of the frame 102. Then, an external device detects that any of the plurality of terminal parts at the protruding connector 2 is inserted into, or removed from, the recessed connector at the frame 102.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk drive device for mounting an optical disk and picking up stored information. In particular, CD-ROMs (Compact Disc Rea) are attracting attention as external memories of computers.
d Only Memory) drive or the like, and relates to a drawer type optical disk drive device for mounting an optical disk by inserting and removing a tray.

[0002]

2. Description of the Related Art In recent years, as a method for inserting an optical disk into an optical disk drive device, a caddy system in which a disk is stored in a cartridge called a caddy and then inserted into a main body, a pickup together with a tray are slid back and forth from a main frame. A drawer method in which a disc is mounted on the top is used. Among them, recently, optical disc drive devices have been downsized and thinned, and a drawer system has been widely adopted.

A conventional optical disk drive device will be described below with reference to the drawings. FIG. 5 is an exploded perspective view of a main part of a conventional optical disk drive device. Reference numeral 100 denotes an optical disk drive device such as a conventional CD-ROM, 10
1 is a case-shaped upper cover formed in a substantially rectangular shape,
Reference numeral 02 denotes a casing-shaped bottom cover formed in a substantially rectangular shape and covering the upper cover 101, 103 denotes a tray formed in a substantially rectangular flat plate shape, and 104 denotes the bottom cover 10.
2 is a guide rail slidably arranged on the inner wall side of the tray 103 and serves as a guide when the tray 103 is stored and ejected. Reference numeral 105 denotes a disk formed in a substantially circular shape at a substantially central portion of the upper surface of the tray 103. An optical disc mounting portion for placing the optical disc, an optical pickup portion 106 for reading data from the disc,
Reference numeral 107 is a main circuit board, and 108 is a flexible wiring for electrically connecting the main circuit board 107 and an external device. The conductor pattern is formed by chemical etching of a copper clad film or sheet material, and is light and free. It is possible to bend. Reference numeral 109 is a loading completion switch for detecting the completion of storage and ejection of the tray 104, and 110 is a switch pin of the loading completion switch 109. By pressing the switch pin 110 to the rear side surface of the tray 104, the loading completion switch 10
9 is activated, and the completion of loading the tray 104 is detected.

With respect to the conventional optical disk drive device configured as described above, the method of storing and discharging the tray will be described below. First, as a method of ejecting the tray 103, the disc can be taken in and out by pulling the tray 103 by holding the front surface of the tray 103 by the user's hand. At this time, the flexible wiring 108 is in a stretched state. Next, regarding the storage method of the tray 103, by pushing the front surface portion of the tray 103, the tray 103 is stored at a predetermined position, and the loading completion switch 109 is activated to detect the completion of loading. At this time, the flexible wiring 108 is pushed into the rear portion to be in a bent state. After that, reading of data on the disc is performed.

[0005]

However, in the above-mentioned conventional configuration, as the tendency of the product of the optical disk drive device, the mounting from the desktop personal computer to the notebook personal computer is progressing, and it is important to reduce the thickness and weight. Is being watched. However, in the conventional optical disk drive device as described above, the flexible storage method and the flexible storage space for storing the tray, the space for the loading completion switch, and the like are required for the drive to be compact, thin, and easy to assemble. It had a problem that it was complicated and lacked in workability. Further, there is a problem that the flexible wiring lacks durability and reliability.

The present invention solves the above-mentioned problems of the prior art. Completion of loading can be detected by inserting / removing the connector, the assemblability is improved and the space is saved, and the tray can be stored and discharged easily. It is an object of the present invention to provide an optical disk drive device which is excellent in operability and is small and lightweight.

[0007]

In order to achieve this object, an optical disk drive device according to a first aspect of the present invention is a drawer having a substantially flat plate-shaped tray having an optical disk mounting portion for storing and discharging in a frame. Optical disk drive device of the type, a convex connector or a concave connector having a plurality of terminals for electrical connection arranged outside a rear side surface of a tray, and a convex connector or a concave connector facing each other. A concave connector or a convex connector having a plurality of paired terminal portions arranged inside the rear side surface of the frame to be inserted into and removed from each terminal portion of the convex connector or the concave connector. There is.

According to a second aspect of the present invention, in the optical disc drive apparatus according to the first aspect, the concave connector or the convex connector disposed on the rear side surface of the frame is provided with a projecting portion around the outside and A connector guide convex portion whose inner peripheral surface is inclined outward to form a concave portion for insertion / removal between the paired terminal portions of the concave connector or convex connector, and a convex connector or concave connector facing the concave connector or convex connector. And a projection for insertion / removal that is fitted around the recess for insertion / removal.

According to a third aspect of the present invention, in the optical disc drive apparatus according to the first or second aspect, any one of the terminal portion provided on the convex connector or the concave connector provided on the tray side is a frame. It has a configuration including an insertion / removal detection terminal portion that allows an external device to detect insertion / removal from a concave connector or a convex connector disposed on the side.

Here, the convex connector or the concave connector arranged on the tray side is electrically connected and fixed to a main circuit board having a control circuit section for controlling an optical disk.
The terminal portion of the tray-side convex connector or the concave connector is connected to the ground or a predetermined voltage on the main circuit board of the optical disk drive device, or the two terminal portions are electrically connected. This allows an external device such as a host computer to detect that the frame connector is inserted or removed from the concave connector or the convex connector on the frame side. As a result, after that, the power supply and the like can be controlled to the main circuit board of the optical disk drive device.

[0011]

With this configuration, when the tray of the optical disk drive device is stored, the convex and concave connectors on the tray side and the frame side are inserted and fitted to electrically connect the main circuit board and the external device. When the tray is ejected, the convex connector and the concave connector are detached and the electrical connection is cut off. By this,
The mechanism is easy, the device can be made small and thin, mass productivity is excellent, and low cost can be realized. Further, by fitting the connector, the tray can be stably fixed, and the reliability in reading the disk can be improved. In particular, after the tray is ejected, there is no problem even if the power supply and signals for reading the disk are omitted, there is no need to use expensive cables such as flexible wiring, and there is also a space for storing flexible wiring. Without using the connector, you can save space and downsize the device.
The thickness can be reduced. Also, in the concave connector or the convex connector arranged on the rear side surface of the frame,
A protruding portion is provided on the outer side, an inner peripheral surface of the protruding portion is inclined outward, and a connector guide convex portion that forms an insertion / removal concave portion between the paired terminal portions of the concave connector or the convex connector, and a concave connector or convex portion. By providing the insertion / removal projection, which is provided around the projection-shaped connector or the concave-shaped connector facing the pattern connector and is fitted into the insertion / removal recess, it is possible to ensure the reliability even in manual operation. You can insert the tray smoothly,
It is possible to prevent breakage of the terminal portion and the paired terminal portion of the pair of convex connector and the concave connector, and improve operability and reliability. Further, an external device is made to detect that any of the terminal portions of the convex connector or the concave connector arranged on the tray side is inserted or removed from the concave connector or the convex connector arranged on the frame side. By including the insertion / removal detection terminal section, an external device can recognize the storage / ejection of the tray, and automation of software etc. becomes possible, and the conventional loading completion switch etc. are not required,
The size of the device can be reduced, and the power supply can be started and disconnected automatically, so that the power consumption can be reduced and the circuit element can be prevented from being destroyed when the connector is joined, and the reliability can be improved.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An optical disk drive device according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an exploded perspective view showing the internal structure of an optical disk drive device according to an embodiment of the present invention, and FIG. 2A is a convex type used for the optical disk drive device according to the embodiment of the present invention. It is a side sectional view of the connector,
FIG. 2B is a side sectional view of the concave connector used in the optical disk drive device according to the embodiment of the present invention. FIG.
In the figure, reference numeral 1 is an optical disk drive device in one embodiment of the present invention. 101 is an upper cover, 102 is a bottom cover, 103 is a tray, 104 is a guide rail, 105 is an optical disk mounting section, and 106 is an optical pickup section. Since these are the same as those in FIG. 5 of the conventional example, the same reference numerals are given and description thereof is omitted. In the present embodiment, reference numeral 2 denotes a convex connector having a plurality of female terminal portions 5 which will be described later and which protrudes inward, and is provided outside the rear side surface of the tray 103 to control the optical disc drive device 1. It is connected to an optical disc controller (not shown). Reference numeral 3 denotes a concave connector provided with a male-type protruding paired terminal portion 6 described later that fits into and electrically connects with a plurality of terminal portions 5 of the convex connector 2, and is a convex connector arranged on the tray 103. On the other hand, it is disposed on the frame (here, the bottom cover 102) at a position where it can be inserted and removed so as to face the rear part and face it. Reference numeral 4 denotes a main body circuit board to which the convex connector 2 is attached, which is provided with an optical disc control unit (not shown) of the optical disc drive device 1, and which has the convex connector 2 and the concave connector 3
An interface is provided to a host computer (not shown) that performs data control commands for the optical disc and data transfer via the connection. Further, the convex connector 2 arranged on the tray 103 is connected and fixed to a circuit board having a control circuit part for connecting and fixing and controlling an optical disk by soldering or the like, and the terminal part 5 of the convex connector 2 is The circuit board is provided with an insertion / removal detection terminal portion (not shown) that is grounded or connected to have a predetermined voltage, or two terminal portions 5 are electrically connected. This allows an external device (not shown) such as an external host computer to detect that the tray-side convex connector 2 is inserted or removed. In other words, it can serve as the loading completion switch 109 for detecting the completion of storage and the discharge as shown in FIG.

Next, in FIG. 2A, 9 is a tray 1.
The insertion / removal protrusion 9 is provided around the outer periphery of the connector frame 7 having the terminal portion 5 with respect to the protrusion-type connector 2 arranged in No. 03, and is fitted into the insertion / removal recess 11 described later. Moreover, FIG.
In (b), 10 is the bottom cover 10 on the frame side.
2 is a connector guide convex portion which is provided on the outer side of the connector frame 8 having the paired terminal portions 6 with respect to the concave connector 3 arranged in FIG. Reference numeral 11 denotes an insertion / removal concave portion into which the insertion / removal convex portion 7 of the convex connector 2 formed inside by the connector guide convex portion 10 is fitted.

With respect to the optical disk drive device of the present embodiment having the above-mentioned structure, a method of storing and discharging the tray will be described below with reference to the drawings. FIG. 3 shows the tray 103
FIG. 4 is an exploded perspective view of an essential part showing a state in which the tray is stored, and FIG. 4 is an exploded perspective view of an essential part showing a state in which the tray 103 is ejected. First, as a method of ejecting the tray 103, the user can hold the front surface of the tray 103 and pull it out to the front surface to allow the disk to be inserted into and ejected from the disk mounting portion 105. At this time, the convex connector 2 is replaced by the concave connector 3
And then disconnected from the electrical connection. Next, as a method of storing the tray 103, by pushing the front surface of the tray 103, the insertion / removal convex portion 9 of the convex connector 2 is aligned and adjusted by the connector guide convex portion 10 of the concave connector 3, and the tray 103 is accommodated. Is securely and accurately stored in a predetermined position of the frame, the insertion / removal projection 9 of the convex connector 2 is inserted and connected to the insertion / removal recess 11 of the concave connector 3, and the terminal portion 5 is opposed to the terminal portion. 6 is connected and electrical connection is secured. Here, when the tray 103 is stored or ejected, the control unit of an external device or the like can electrically detect easily that the connector to the optical disc drive device 1 has been attached / detached, and the position of the photo interrupter or the like can be detected. A detection element such as a detection sensor or a magnetic sensor is not required, the configuration is simplified, and the device can be made smaller and thinner.

As described above, according to this embodiment, the size of the apparatus can be reduced by using the connectors to electrically connect the trays of the optical disk drive apparatus when the trays are stored and discharged.
The thickness can be reduced. Further, by the insertion / removal convex portion 9 and the connector guide portion 10, when the tray is stored / discharged, the tray is reliably and smoothly put in / out, and operability and reliability can be improved.

[0017]

As described above, according to the present invention, when the tray of the optical disk drive device is stored and ejected, the electrical connection is made by the convex connector and the concave connector. Therefore, it is possible to realize an optical disc drive device which has a simple structure, is easy to assemble, and is low in cost, mass-producible, compact and thin. In addition, in a concave connector or a convex connector, a protrusion is provided on the outside, and the inner peripheral surface of the protrusion is inclined outward to form an insertion / removal recess between the paired terminals of the concave or convex connector. And a projection for insertion / removal that is fitted around the projection / recess on the outside of the concave connector or the concave connector facing the concave connector. As a result, in manual operation, the tray can be surely inserted smoothly, the terminal portions of the pair of convex connector and the concave connector and the pair of terminal portions can be prevented from being broken, and the optical disc drive device is excellent in operability and reliability. Can be realized. Further, an external device is made to detect that any of the terminal portions of the convex connector or the concave connector arranged on the tray side is inserted or removed from the concave connector or the convex connector arranged on the frame side. By including the insertion / removal detection terminal section, the device can be downsized, and the external device can recognize the storage / ejection of the tray and the software etc. can be automated, and the power supply can be started and disconnected automatically. As a result, it is possible to realize a highly reliable optical disk drive device, which has low power consumption and prevents circuit elements from being destroyed during connector joining.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of essential parts showing an internal structure of an optical disk drive device according to an embodiment of the present invention.

FIG. 2A is a side sectional view of a convex connector used in an optical disk drive device according to an embodiment of the present invention. FIG. 2B is a side sectional view of a concave connector used in an optical disk drive device in an embodiment of the present invention.

FIG. 3 is an exploded perspective view of essential parts showing a state where a tray of an optical disk drive device according to an embodiment of the present invention is stored.

FIG. 4 is an exploded perspective view of essential parts showing a state where the tray of the optical disk drive device according to the embodiment of the present invention is ejected.

FIG. 5 is C, which is one of conventional optical disk drive devices.
Main part exploded perspective view showing internal structure of D-ROM device

[Explanation of symbols]

1 Optical disk drive device of one embodiment of the present invention 2 Convex connector 3 Recessed connector 4 Main circuit board 5 Terminal portion 6 Counter terminal portion 7, 8 Connector frame 9 Insertion / removal projection 10 Connector guide projection 11 Insertion / removal recess 100 Conventional optical disk drive device such as CD-ROM 101 Upper cover 102 Bottom cover 103 Tray 104 Guide rail 105 Optical disk mounting section 106 Optical pickup section 107 Main circuit board 108 Flexible wiring 109 Loading completion switch 110 Switch pin

Claims (3)

[Claims] 1. A drawer type optical disk drive device having a substantially flat plate-shaped tray having an optical disk mounting portion for storing and discharging in a frame, wherein an electrical connection is provided outside a rear side surface of the tray. A convex connector or a concave connector having a plurality of terminal portions to be performed, and a rear portion of the frame that faces the convex connector or the concave connector and is inserted into and removed from each of the terminal portions of the convex connector or the concave connector. An optical disk drive device, comprising: a concave connector or a convex connector having a plurality of paired terminal portions arranged inside the side surface. 2. The concave connector or the convex connector arranged on the rear side surface of the frame, wherein a protrusion is provided on the outside and the inner peripheral surface of the protrusion is inclined outward, and the concave connector or A connector guide convex portion that forms an insertion / removal concave portion between a pair of terminal portions of the convex connector, and a convex portion surrounding the concave connector or the convex connector or the concave connector facing the convex connector. The optical disk drive device according to claim 1, further comprising: an insertion / removal convex portion that is provided and is fitted into the insertion / removal concave portion. 3. The convex connector arranged on the tray side or the terminal part arranged on the concave connector is separated from the concave connector or the convex connector arranged on the frame side. The optical disc drive device according to claim 1 or 2, further comprising: an insertion / removal detection terminal portion that allows an external device to detect insertion / removal.