JPH07235174A - Flexible disk apparatus - Google Patents

Abstract

PURPOSE:To embody a flexible disk apparatus of reduced thickness by cooperatively opening an upper part of an inserting discharge member and setting a flexible disk(FD). CONSTITUTION:When an FD apparatus is separated and drawn from a stationary unit 13 to a personal computer(PC), a cable 9 for connecting the unit 13 to a movable unit is formed of a flexible cable, and hence the movable unit, can be drawn without applying a mechanical load. The cable 9 is connected to a connector 10 of the unit 13, connected to a circuit board of the PC by a connector 12 of the board 11 to be controlled. As control means, the board is divided to two positions 8, 11. Circuits regarding a spindle motor 4, magnetic heads 5, 6 and a stepping motor 7 are provided on the board 8, and the other circuit is distributed to a mounting space provided at 12, thereby optimizing a mounting design and minimizing signal lines. Thus, a thin portable PC can be formed, and a high performance PC can be reduced in size.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for realizing a thin flexible disk device.

[0002]

2. Description of the Related Art A conventional flexible disk device is limited in its thinness due to a basic structural limitation that requires a large distance between a height position for inserting a flexible disk and a height position for recording / reproducing. Was there.

FIG. 4 is a sectional view of a conventional flexible disk device. Reference numerals 14 and 15 are cases of a portable personal computer (hereinafter abbreviated as PC) which is a main application example of the flexible disk device. Reference numeral 21 is a spindle motor, which is a flexible disk rotating means, and 22, 23.
Is a pair of magnetic heads, 24 is a seek means for moving the magnetic heads, 25 is a circuit board constituting a control means, 26 is a connector for connecting to a circuit board of a PC, and 27a and 2a.
Reference numeral 7b is a bezel which is an opening for inserting and ejecting the flexible disk, and 28 is an upper surface of the case. 1 is a flexible disk, which is the insertion / ejection position, 30
Shows the lower surface of the flexible disk set at the position for recording / reproducing.

[0004]

However, in the above-mentioned conventional flexible disk device, a large distance is required between the insertion / ejection position of the flexible disk and the recording / reproducing position 30, which hinders the reduction in thickness. Was there. An object of the present invention is to eliminate this obstacle and realize a very thin flexible disk drive. Thereby P
It is possible to greatly reduce the thickness of C.

[0005]

In order to solve the above-mentioned problems, the flexible disk device of the present invention has a basic portion P
In the flexible disk device configured to be pulled out from C, the flexible disk device includes a flexible disk rotating means, a magnetic head, a seek means for moving the magnetic head, a control means, and a flexible disk insertion / ejection means. After being separated from the fixed part and moved forward, the upper part of the insertion / ejection member is opened to set a flexible disk, or when a part of the flexible disk device is separated from the fixed part and moved forward, The flexible disk is set by opening the upper portion of the insertion / ejection member in conjunction with each other.

[0006]

According to the above configuration of the present invention, the thickness of the flexible disk device when it is set inside the PC is not limited, and the flexible disk can be inserted and ejected. A thin flexible disk device can be realized.

[0007]

EXAMPLES The present invention will be described below based on examples. FIG. 1 is a cross-sectional view of a flexible disk device according to an embodiment of the present invention, particularly when it is pulled out from a PC.

Reference numeral 1 is a flexible disk, 2 and 3 are upper case constituent members of the flexible disk device, and the front portion 3 is lifted upward by a fulcrum 16 with respect to the rear portion 2 so that 1 can be inserted and ejected. 4 is a spindle motor which is a flexible disk rotating means, 5 and 6 are magnetic heads, and 5 is lifted as 3 is lifted up. Therefore, ensure a sufficient clearance for the insertion / ejection operation of 1. You can When the above 3 is lifted up, a method of manually lifting after moving all the moving parts of the flexible disk device has the structure of claim 1. On the other hand, by adding a coupling means for utilizing the spring force, which stores the force when 3 is closed, by the force when the moving part is pulled out and moves,
It can also be configured so that 3 automatically opens in conjunction with movement. This constitutes the structure of claim 2.

A step motor 7 performs a seek operation,
Reference numeral 8 is a circuit board forming the control means, and 17 is a lower case of the flexible disk device. 1 shows a state in which the flexible disk device is separated from the fixed portion 13 to the PC and pulled out as shown in FIG. 1. However, a cable 9 for connecting the fixed portion and the moving portion of the flexible disk device is a flexible cable. The construction makes it possible to pull out the moving part without giving a mechanical load. A flexible printed cable (FPC) is generally used as the flexible cable.

9 is connected to a fixed portion connector 10,
After that, the connector 12 provided on the circuit board 11 of the fixed portion is connected to the circuit board of the PC for control. As the control means, the circuit board is divided into two parts of 8 and 11, but the circuit part closely related to the spindle motor, the magnetic head and the step motor is installed in 8, and the other circuit part is not. By allocating the actual space to be installed, the actual design can be optimized and the signal line of the flexible cable can be minimized. Specific examples include a spindle motor control drive circuit, a magnetic head read / write circuit, a step motor drive circuit, and a control logic circuit.

FIG. 2 is a cross-sectional view of the embodiment of the present invention in which the moving part of the flexible disk device of FIG. 1 is pulled inside the PC. The flexible disk is set at a position for complete recording / reproduction, is mechanically coupled to the flexible disk rotating means, and the magnetic heads 5 and 6 are in a state of being in close contact with the medium inside the flexible disk. Has a large portion of the thickness of the flexible disk. Further, the flexible cable 9 elastically maintains the coupled state by moving the curved portion rearward.

Therefore, when the flexible disk device is in the state after the insertion, the sectional thickness may be small, and this state can be treated as the thickness of the flexible disk device. Therefore, the thickness of the PC can be greatly reduced.

FIG. 3 is a perspective view showing the embodiment of the present invention in which the flexible disk device of the present invention is incorporated in a PC. Reference numeral 19 is a button for starting the movement of the moving part, and when this button is pressed, a part of the flexible disk device is partially ejected from the case of the PC.
Then you can pull it out by hand. Further, the slits 18 provided on the side surfaces allow the flexible disk device to engage with the case of the PC for movement and holding.

[0014]

As described above, according to the present invention, a very thin portable PC incorporating a flexible disk device.
Can be realized, which greatly contributes to downsizing of high-performance PC. In addition, the problem of a head crash, which has been a major problem in the conventional thin flexible disk device, mechanically destroys the magnetic head when the flexible disk is inserted and ejected. It can be prevented by being able to.

The operability is also improved by the fact that the flexible disk can be set from the upper side, the automatic upper opening mechanism described in claim 2 and the button pull-out mechanism described in claim 3.

Further, in constructing the present invention, the limited narrow space of the flexible disk device can be effectively utilized by the practical method described in claim 4, and each element can be distributed in the thin flexible disk device.

Furthermore, in connecting the moving part and the fixed part, the mechanical load can be reduced and high reliability can be realized by the connecting method according to the fifth aspect.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a flexible disk device according to an embodiment of the present invention, particularly a cross-sectional view of a flexible disk device when it is pulled out from a PC.

FIG. 2 is a cross-sectional view of a flexible disk device according to an embodiment of the present invention, particularly a cross-sectional view when it is drawn inside a PC.

FIG. 3 is a perspective view when the flexible disk device according to the embodiment of the present invention is incorporated in a PC.

FIG. 4 is a cross-sectional view of a conventional flexible disk device.

[Explanation of symbols]

 1 ... Flexible disk 4,21 ... Spindle motor 5,6,22,23 ... Magnetic head 7,24 ... Step motor 8,25 ... Circuit board 9 ... Flexible cable 13. ..Fixed parts 14, 15 ... PC case 19 ... Buttons 27a, 27b ... Bezel

Claims (5)

[Claims] 1. A flexible disk rotating means, a magnetic head, a seek means for moving the magnetic head, a control means,
And a flexible disk device constituted by a flexible disk insertion / ejection means, wherein a part of the flexible disk device is separated from the fixed part and moved forward, and then the upper part of the insertion / ejection member is opened to set the flexible disk. A flexible disk device having the above structure. 2. A flexible disk rotating means, a magnetic head, a seek means for moving the magnetic head, a control means,
And a flexible disk device including a flexible disk insertion / ejection means, when a part of the flexible disk device is separated from the fixed portion and moved forward, by opening the upper part of the insertion / ejection member in conjunction with each other, A flexible disk device characterized by being configured to set a flexible disk. 3. The flexible disk device according to claim 1, further comprising a push button for separating a part of the flexible disk device from a fixed part and moving the push button forward. 4. A part of the flexible disk device which separates from the fixed part and moves forward is at least one of a flexible disk rotating means, a magnetic head and a seek means.
3. The flexible disk device according to claim 1, wherein the flexible disk device is configured to include a control drive circuit for two elements. 5. A control means included in a part of the flexible disk device, which is separated from the fixed part and moves forward,
The flexible disk device according to claim 4, wherein the remaining portion of the control means included in the fixed portion is connected with a flexible cable.