KR19990032535U - Cover frame of hard disk drive - Google Patents

Abstract

The cover frame of the hard disk driver having high dustproof efficiency is formed by forming a recess in the bottom of the cover frame coupled to the base frame of the hard disk drive, and attaching a damper member for dust prevention, such as stainless steel sheet, using an adhesive to the recess. Is initiated.

Description

Cover frame of hard disk drive

The present invention relates to a hard disk drive used as an auxiliary storage device of a computer, and more particularly, to a cover frame of a hard disk drive with improved dustproof efficiency.

In general, as shown in FIG. 1, a hard disk drive used as an auxiliary memory device of a computer rotates a hard disk 11, which is a recording medium, on an axis of a spindle motor (not shown) installed in the base frame 10. The head stack assembly (not shown) is installed on one side thereof as an actuator for flying the magnetic head to perform the magnetic recording / reproducing operation on the hard disk 11. The hard disk 11 is usually stacked in a multi-layer structure to increase the storage capacity, the cover frame 20 for protecting the hard disk 11 and the head stack and the like coupled to the upper portion of the base frame 10 do. Reference numeral 12 denotes a sealing member interposed between the base frame 10 and the cover frame 20 to seal the hard disk drive.

The cover frame 20 is usually produced by die-casting an aluminum alloy material in a thin thickness, as shown in Figure 2 is formed on the bottom in consideration of the air flow due to the rotational drive of the hard disk 11, etc. It is manufactured to have a plurality of screw (s) fastening holes (h) for coupling with the base frame (10). The cover frame 20 is low in stiffness (stifness) of the dustproof efficiency against noise and vibration generated by the rotational drive of the spindle motor and the hard disk 11 is inferior. Therefore, in the case of the conventional hard disk drive, the resonance occurs inside the base frame 10 and the cover frame 20, which hinders the precise driving of the actuator, thereby degrading the precision of the magnetic recording / reproducing operation of the magnetic head. There is this.

An object of the present invention is to provide a cover frame of an improved hard disk drive in order to improve the problem of the conventional hard disk drive.

1 is a schematic perspective view showing a part of a hard disk drive by cutting off;

Figure 2 is a schematic perspective view showing the bottom of the conventional hard disk drive cover frame,

3 is a schematic perspective view showing a part of a hard disk drive to which a cover frame is applied according to the present invention;

4 is a schematic perspective view showing a bottom surface of a hard disk drive cover frame according to the present invention;

Fig. 5 is a sectional view showing the main parts of the main part of Fig. 4 taken along the line V-V.

<Description of the symbols for the main parts of the drawings>

10 ... base frame

11 hard disk

12.Sealing member

20, 30 ... cover frame

31.Home

40.Damper damping element

41 ... adhesive

In order to achieve the above object, a cover frame of a hard disk drive according to the present invention includes a hard disk rotatably supported by a spindle motor installed in a base frame and a magnetic head for performing magnetic recording / reproducing operations for the hard disk. In the cover frame of the hard disk drive coupled to the base frame to protect the magnetic head actuator for flying, the bottom surface of the cover frame is characterized in that the damping member for dustproof is installed.

Hereinafter, with reference to the accompanying drawings will be described in detail the cover frame of the hard disk drive according to an embodiment of the present invention.

3 to 5, the cover frame 30 of the hard disk drive according to the present invention is manufactured by die casting using a conventional aluminum alloy material, the vibration damper member 40 is installed on the bottom surface There is a characteristic in point. The same reference numerals as the reference numerals in the drawings shown in the drawings indicate the same components.

According to the present invention, the vibration damper member 40 is seated in the groove 31 formed in the bottom surface of the cover frame 30, the adhesive material between the groove 31 and the vibration damper member 40. (41) is interposed.

The anti-vibration damper member 40 is preferably made of, for example, a stainless steel sheet to increase the stiffness of the cover frame 30, and the adhesive material 41 may be formed of a polymer adhesive such as a bond, for example. It is preferable to use.

According to the cover frame of the hard disk drive according to the present invention as described above, after the noise vibration generated by the rotational drive of the spindle motor and the hard disk 11 is primarily dust-proof by the adhesive material 41, the Since the vibration is secondary by the damper member 40, the internal resonance of the base frame 10 and the cover frame 30 may be suppressed to increase the dustproof efficiency.

As described above, the cover frame of the hard disk drive according to the present invention can increase the dust-proof efficiency by serially blocking the noise and vibration by the vibration damping member installed on the bottom surface and the adhesive layer for adhesion thereof.

Claims (3)

Hard disk coupled to the base frame to protect the hard disk rotatably supported by the spindle motor installed in the base frame and the magnetic head actuator for flying the magnetic head to perform the magnetic recording / reproducing operation for the hard disk. In the cover frame of the drive, The cover frame of the hard disk drive, characterized in that the vibration damper member is installed on the bottom surface of the cover frame. The method of claim 1, The anti-vibration damper member is installed to be seated in the groove formed on the bottom of the cover frame cover frame of the hard disk drive. The method of claim 1, The cover frame of the hard disk drive, characterized in that the adhesive material is interposed between the vibration damper member and the cover frame.