CN212965984U - Hard disk and damping device - Google Patents
Hard disk and damping device Download PDFInfo
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- CN212965984U CN212965984U CN202022017838.5U CN202022017838U CN212965984U CN 212965984 U CN212965984 U CN 212965984U CN 202022017838 U CN202022017838 U CN 202022017838U CN 212965984 U CN212965984 U CN 212965984U
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- limiting plate
- disk
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- shock
- elastic piece
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Abstract
The utility model provides a hard disk and damping device, the hard disk includes: the magnetic disk drive comprises a shell, a magnetic disk, a damping component, a driving shaft for driving the magnetic disk to rotate and a magnetic head for reading information stored in the magnetic disk; the magnetic disc, the damping component, the driving shaft and the magnetic head are all positioned in the shell; the magnetic head is positioned on one side of the magnetic disk facing to the first direction, one end of the magnetic head is connected with the shell, the other end of the magnetic head is contacted with the magnetic disk, the damping device is positioned on one side of the magnetic disk facing to the second direction, and the first direction and the second direction are two opposite directions; the damping device includes: the first limiting plate and the first elastic piece are arranged on the first side wall; the first elastic piece is located on one side, facing the second direction, of the first limiting plate, one end of the first elastic piece is fixedly connected with the shell, the other end of the first elastic piece is fixedly connected with the first limiting plate, and the first limiting plate is in clearance fit with the magnetic disk. The utility model discloses can effectively carry out the shock attenuation to the disk.
Description
Technical Field
The utility model relates to the field of internet technology, especially, relate to a hard disk and damping device.
Background
The hard disk is one of the most important memories in a computer, and most of software required for the computer to normally operate is stored on the hard disk. Unlike memory and optical disks, hard disks are hard spinning disk-based storage devices used on computers.
The existing hard disk does not have the function of damping the magnetic disk in the hard disk, and a device which is used for installing the hard disk and has the function of damping the vibration does not exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a hard disk and damping device can effectually slow down the vibration of magnetic disk in the casing through setting up damper assembly.
In a first aspect, the present invention provides a hard disk, including: the magnetic disk drive comprises a shell, a magnetic disk, a damping component, a driving shaft and a magnetic head, wherein the driving shaft is used for driving the magnetic disk to rotate, and the magnetic head is used for reading information stored in the magnetic disk;
the magnetic disk, the shock absorption assembly, the driving shaft and the magnetic head are all positioned in the shell;
the magnetic head is positioned on one side of the magnetic disc facing a first direction, one end of the magnetic head is connected with the shell, the other end of the magnetic head is in contact with the magnetic disc, the shock absorption assembly is positioned on one side of the magnetic disc facing a second direction, and the first direction and the second direction are opposite;
the shock-absorbing device includes: the first limiting plate and the first elastic piece are arranged on the first side wall;
the first elastic piece is located on one side, facing the second direction, of the first limiting plate, one end of the first elastic piece is fixedly connected with the casing, the other end of the first elastic piece is fixedly connected with the first limiting plate, and the first limiting plate is in clearance fit with the magnetic disc.
Optionally, the first limit plate and the magnetic disk are coaxial, the drive shaft penetrates through the first limit plate and the magnetic disk, the drive shaft is rotatably connected with the first limit plate, and the drive shaft is fixedly connected with the magnetic disk.
Optionally, the damping device further comprises: the second limiting plate and the second elastic piece;
the second limiting plate is located on the periphery of the first limiting plate, the second elastic piece is located on one side, facing the second direction, of the second limiting plate, one end of the second elastic piece is fixedly connected with the casing, the other end of the second elastic piece is fixedly connected with the second limiting plate, and the second limiting plate is in clearance fit with the magnetic disk.
Optionally, the first elastic member and the second elastic member are both compression springs.
In a second aspect, the utility model provides a damping device, damping device is used for being carried out the shock attenuation by the damper, damping device includes: a damper box; a third elastic part is fixedly arranged in the shock absorption box, and the damped part is clamped between the third elastic parts;
the damped part includes: a hard disk as described above.
Optionally, a supporting block is fixedly arranged at one end of the third elastic member facing the damped member.
Optionally, the outer surface of the damper box is provided with a groove.
Optionally, a heat dissipation module is fixedly arranged on the outer side of the damper box.
Optionally, the heat dissipation module includes: the fan comprises a bracket, fan blades and a rotating shaft for driving the fan blades to rotate;
the support is located the both sides of flabellum, the one end of support with damper box fixed connection, the other end of support is fixed and is provided with the shock pad.
Optionally, a mounting frame is fixedly arranged on the outer side of the shock absorption box.
The embodiment of the utility model provides a hard disk and damping device through set up damper in the casing, can receive the in-process of vibrations at the disk, makes first limiting plate reduce the vibration range of disk to play the effect of buffering to the vibration of disk under the effect of first elastic component.
Drawings
FIG. 1 is an internal cross-sectional view of a hard disk according to an embodiment of the present application;
FIG. 2 is a partial cross-sectional view of a hard disk according to an embodiment of the present application;
FIG. 3 is a block diagram of a cushion device according to an embodiment of the present application;
fig. 4 is a partial structural view of a cushion device according to an embodiment of the present application.
Reference numerals
1. Hard disk: 21. a housing; 22. a magnetic disk; 23. a voice coil motor; 24. a permanent magnet; 25. a drive shaft; 26. a magnetic head; 3. a shock absorbing assembly; 31. a first limit plate; 32. a first elastic member; 33. a second limiting plate; 34. a second elastic member; 4. a damper box; 41. a third elastic member; 42. a support block; 43. a groove; 44. A mounting frame; 45. a set screw; 5. a heat dissipation module; 51. a support; 52. a fan blade; 53. a rotating shaft; 54. A shock-absorbing pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In a first aspect, with reference to fig. 1 and fig. 2, the present embodiment provides a hard disk 1, including: the magnetic disk drive comprises a shell 21, a magnetic disk 22, a damping component 3, a voice coil motor 23, a permanent magnet 24, a driving shaft 25 for driving the magnetic disk 22 to rotate and a magnetic head 26 for reading information stored in the magnetic disk 22.
The magnetic disk 22, the damper assembly 3, the voice coil motor 23, the permanent magnet 24, the drive shaft 25, and the magnetic head 26 are located in the housing 21. The magnetic head 26 is located on one side of the magnetic disc 22 facing a first direction, one end of the magnetic head 26 is connected to the casing 21 through a voice coil motor 23, the other end of the magnetic head 26 contacts the magnetic disc 22, the damping component 3 is located on one side of the magnetic disc 22 facing a second direction, and the first direction and the second direction are opposite directions. In this embodiment, the first direction is an upward direction, and the second direction is a downward direction.
The shock-absorbing device includes: a first stopper plate 31 and a first elastic member 32. The first elastic member 32 is located on one side of the first limiting plate 31 facing the second direction, the bottom end of the first elastic member 32 is fixedly connected to the housing 21, the top end of the first elastic member 32 is fixedly connected to the first limiting plate 31, and the first limiting plate 31 is in clearance fit with the magnetic disk 22. In the present embodiment, the size of the gap between the first limit plate 31 and the magnetic disk 22 is not limited, and the size of the gap may meet the actual working requirement; the first elastic member 32 is a compression spring. In the process that the disk 22 receives vibrations, the first limiting plate 31 can reduce the vibration amplitude of the disk 22, and the first elastic member 32 has a buffering effect on the vibration of the disk 22, so that the disk 22 can be effectively prevented from being damaged by the first limiting plate 31 in the collision process with the first limiting plate 31 at high frequency.
The first limiting plate 31 and the magnetic disk 22 are coaxial, the driving shaft 25 penetrates through the first limiting plate 31 and the magnetic disk 22, the driving shaft 25 is rotatably connected with the first limiting plate 31, and the driving shaft 25 is fixedly clamped with the magnetic disk 22. The position of the first stopper plate 31 is defined so that the first stopper plate 31 absorbs the shock of the position of the center of the disk 22. By limiting the position relationship between the first limiting plate 31, the magnetic disk 22 and the driving shaft 25, the magnetic disk 22 can be ensured not to contact with the first limiting plate 31 when not being vibrated, and the quality of reading information by the hard disk 1 is further ensured.
The shock-absorbing device further includes: a second stopper plate 33 and a second elastic member 34. The second limiting plate 33 may be an annular plate adapted to the edge of the disk 22, or may be a plurality of supporting plates arrayed along the edge of the disk 22. In this embodiment, the second limiting plate 33 is four supporting plates arrayed along the edge of the magnetic disk 22; the second elastic member 34 is a compression spring. The second limiting plate 33 is located on the periphery of the first limiting plate 31, the second elastic member 34 is located on one side of the second limiting plate 33 facing the second direction, the bottom end of the second elastic member 34 is fixedly connected with the casing 21, the top end of the second elastic member 34 is fixedly connected with the second limiting plate 33, and the second limiting plate 33 is in clearance fit with the magnetic disk 22. The edge of the magnetic disk 22 can be damped by arranging the second limiting plate 33, the vibration amplitude of the magnetic disk 22 is reduced, and the vibration of the magnetic disk 22 is buffered under the action of the second elastic piece 34.
In a second aspect, with reference to fig. 3 and 4, the present embodiment provides a damping device for damping a damped object. The shock-absorbing device includes: a damper box 4. A third elastic member 41 is fixedly disposed inside the damper box 4, and the damped member is sandwiched between the third elastic members 41. The damped part includes: the hard disk 1 as described above. In this embodiment, the third elastic member 41 is a rubber ring. The third elastic member 41 can absorb shock to the housing 21, so as to prevent the housing 21 from colliding with the damper box 4.
In this embodiment, a supporting block 42 is fixedly disposed at one end of the third elastic member 41 facing the damped member. The supporting block 42 is abutted against the housing 21 by the third elastic member 41, so that the stability of the hard disk 1 in the damper box 4 can be improved.
In this embodiment, the outer surface of the damper box 4 is provided with a groove 43. The grooves 43 can increase the area of the outer surface of the damper box 4, so that the performance of the hard disk 1 is not interfered, and the heat dissipation effect of the damper box 4 is improved.
And a mounting rack 44 is fixedly arranged on the outer side of the shock absorption box 4. In this embodiment, the mounting bracket 44 is a vertically disposed mounting plate, the mounting bracket 44 is located above the damper box 4, the bottom of the mounting bracket 44 is fixedly connected with the damper box 4, the mounting bracket 44 is provided with a fixing screw 45, and the fixing screw 45 horizontally penetrates through the mounting bracket 44 and is in threaded connection with the mounting bracket 44.
And a heat dissipation module 5 is fixedly arranged on the outer side of the shock absorption box 4. The heat dissipation module 5 can cool down the external environment of the damper box 4, so that the heat dissipation effect of the damper box 4 is further improved, and the normal work of the hard disk 1 is prevented from being influenced by overhigh temperature in the damper box 4. In this embodiment, the heat dissipation module 5 is located below the damper box 4, and the heat dissipation module 5 includes: the fan comprises a bracket 51, a plurality of fan blades 52 and a rotating shaft 53 for driving the fan blades 52 to rotate. The one end of pivot 53 with damper box 4 fixed connection, the other end of pivot 53 is vertical downwards, just flabellum 52 is located the week side of the other end of pivot 53 and with pivot 53 fixed connection. Wherein, support 51 is the L template, support 51 is located the both sides of flabellum 52, and the support 51 symmetry and the relative arrangement of both sides, support 51's top with damper box 4 fixed connection, support 51's the other end is fixed and is provided with shock pad 54, just shock pad 54's cross-section is the I shape.
When the damping device with the hard disk 1 mounted thereon is installed in the chassis of the server, the damping device is fixedly connected to the chassis by the fixing screw 45. The bottom of the shock pad 54 abuts against the inner wall of the case.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A hard disk, comprising: the magnetic disk drive comprises a shell, a magnetic disk, a damping component, a driving shaft and a magnetic head, wherein the driving shaft is used for driving the magnetic disk to rotate, and the magnetic head is used for reading information stored in the magnetic disk;
the magnetic disk, the shock absorption assembly, the driving shaft and the magnetic head are all positioned in the shell;
the magnetic head is positioned on one side of the magnetic disc facing a first direction, one end of the magnetic head is connected with the shell, the other end of the magnetic head is in contact with the magnetic disc, the shock absorption assembly is positioned on one side of the magnetic disc facing a second direction, and the first direction and the second direction are opposite;
the shock-absorbing assembly includes: the first limiting plate and the first elastic piece are arranged on the first side wall;
the first elastic piece is located on one side, facing the second direction, of the first limiting plate, one end of the first elastic piece is fixedly connected with the casing, the other end of the first elastic piece is fixedly connected with the first limiting plate, and the first limiting plate is in clearance fit with the magnetic disc.
2. The hard disk of claim 1, wherein the first stopper plate is coaxial with the disk, the drive shaft extends through the first stopper plate and the disk, the drive shaft is rotatably connected to the first stopper plate, and the drive shaft is fixedly connected to the disk.
3. The hard disk of claim 1, wherein the shock assembly further comprises: the second limiting plate and the second elastic piece;
the second limiting plate is located on the periphery of the first limiting plate, the second elastic piece is located on one side, facing the second direction, of the second limiting plate, one end of the second elastic piece is fixedly connected with the casing, the other end of the second elastic piece is fixedly connected with the second limiting plate, and the second limiting plate is in clearance fit with the magnetic disk.
4. The hard disk of claim 3, wherein the first elastic member and the second elastic member are both compression springs.
5. A shock-absorbing device for absorbing shock to a shock-absorbing member, the shock-absorbing device comprising: a damper box; a third elastic part is fixedly arranged in the shock absorption box, and the damped part is clamped between the third elastic parts;
the damped part includes: a hard disk as claimed in any of claims 1 to 3.
6. The shock absorbing device as claimed in claim 5, wherein a support block is fixedly provided at an end of the third elastic member facing the damped member.
7. The cushioning device of claim 5, wherein the outer surface of the cushioning box is grooved.
8. The damping device according to claim 5, characterized in that a heat dissipation module is fixedly arranged on the outer side of the damping box.
9. The shock absorbing device of claim 8, wherein the heat sink module comprises: the fan comprises a bracket, fan blades and a rotating shaft for driving the fan blades to rotate;
the support is located the both sides of flabellum, the one end of support with damper box fixed connection, the other end of support is fixed and is provided with the shock pad.
10. The damping device according to claim 5, characterized in that a mounting frame is fixedly arranged on the outer side of the damping box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022017838.5U CN212965984U (en) | 2020-09-15 | 2020-09-15 | Hard disk and damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022017838.5U CN212965984U (en) | 2020-09-15 | 2020-09-15 | Hard disk and damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212965984U true CN212965984U (en) | 2021-04-13 |
Family
ID=75370293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022017838.5U Active CN212965984U (en) | 2020-09-15 | 2020-09-15 | Hard disk and damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212965984U (en) |
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2020
- 2020-09-15 CN CN202022017838.5U patent/CN212965984U/en active Active
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