CN209880160U - Hard disk vibration damper and mobile storage equipment - Google Patents
Hard disk vibration damper and mobile storage equipment Download PDFInfo
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- CN209880160U CN209880160U CN201921134218.0U CN201921134218U CN209880160U CN 209880160 U CN209880160 U CN 209880160U CN 201921134218 U CN201921134218 U CN 201921134218U CN 209880160 U CN209880160 U CN 209880160U
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Abstract
The utility model relates to a hard disk vibration damper and a mobile storage device, wherein the hard disk vibration damper comprises an elastic vibration damper body and a connecting body, and the connecting body is connected on the outer surface of the elastic vibration damper body; the elastic vibration damping body comprises a first vibration damping part and a second vibration damping part, the first vibration damping part and the second vibration damping part extend towards different directions, and a disk accommodating space is defined by the inner surface of the first vibration damping part and the inner surface of the second vibration damping part. The mobile storage device comprises a shell, a hard disk and the hard disk vibration damper, wherein the hard disk is arranged in a disk accommodating space, and the connecting body is connected with the shell. After the hard disk is arranged in the disk accommodating space, the first vibration reduction part and the second vibration reduction part can reduce vibration of the hard disk in multiple directions, and the vibration reduction effect is good. The connecting body is used as a connecting structure between the hard disk vibration damper and the mobile storage device, the occupied space and the volume are much smaller than those of a hard disk box, and the cost is lower than that of the hard disk box. To sum up, the utility model discloses a hard disk vibration damper is effectual not only the damping, and is with low costs moreover.
Description
Technical Field
The utility model relates to a hard disk vibration damper and mobile storage equipment.
Background
The mobile hard disk is divided into a mechanical hard disk and a solid state hard disk, and the mobile hard disk is widely applied to various mobile storage devices, such as a notebook computer, a vehicle-mounted storage device, a digital device and the like. Vibration and shock can have a great negative impact on the read-write performance and the service life of hard disks, especially mechanical hard disks. Therefore, a vibration damping device is required to be installed on the portable hard disk to prevent external vibration from being transmitted to the portable hard disk.
The vibration damper commonly used at present is rubber damping structure, and rubber damping structure divide into the cushion formula and glues the frame formula:
a rubber cushion type: a rubber pad is arranged between the bottom surface of the mobile hard disk and the placing surface of the equipment. The cushion type is low in cost and convenient to install, but the horizontal direction of the mobile hard disk cannot be limited, the horizontal direction of the mobile hard disk cannot be damped, and in addition, the situation that the mobile hard disk collides with the inner wall of equipment can also occur under some conditions.
A rubber frame type: two sides of the mobile hard disk are wrapped with rubber frames. The rubber frame type can reduce vibration of the mobile hard disk in the horizontal direction and the vertical direction, and the vibration reduction effect of the rubber frame type is superior to that of a rubber pad type. But the rubber frame needs to be arranged in the hard disk box or the hard disk box to carry out integral limit. For equipment without a hard disk box, the rubber frame is difficult to fix on the equipment, and a hard disk box-like structure needs to be additionally arranged, so that the cost is high.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a hard disk vibration damper and mobile storage equipment containing the same, the hard disk vibration damper has low cost and good vibration damping effect.
The technical scheme of the utility model as follows:
a hard disk vibration damper comprises an elastic vibration damper body and a connecting body, wherein the connecting body is connected to the outer surface of the elastic vibration damper body; the elastic vibration damping body comprises a first vibration damping part and a second vibration damping part, the first vibration damping part extends towards a first direction, the second vibration damping part extends towards a second direction, the first direction is different from the second direction, and a disk accommodating space is defined by the inner surface of the first vibration damping part and the inner surface of the second vibration damping part.
Preferably, in the hard disk vibration damping device, the first direction and the second direction are perpendicular to each other.
Preferably, in the hard disk vibration damping device, the elastic vibration damping body and the connecting body are integrally molded.
Preferably, in the hard disk vibration damping device, the connecting body includes an elastic body, the elastic body is connected to an outer surface of the elastic vibration damping body, and the elastic body is a hollow columnar structure.
Preferably, in the hard disk vibration damping device, the connecting body includes an inner clip body and an outer elastic clip body, the inner clip body and the outer elastic clip body are both connected to an outer surface of the elastic body, and the inner clip body and the outer elastic clip body are arranged at an interval in an axial direction of the elastic body.
Preferably, in the hard disk vibration damping device, the number of the second vibration damping portions is two, and the two second vibration damping portions are connected to the first vibration damping portion at an interval.
Preferably, in the hard disk vibration damping device, the first vibration damping portion is provided with a deformation space.
Preferably, in the hard disk vibration damping device, the deformation space is an elliptical through hole having an elliptical end surface shape, and a major axis of the elliptical through hole extends in a longitudinal direction of the first vibration damping portion.
A mobile storage device comprises a shell, a hard disk and the hard disk vibration damper, wherein the hard disk is arranged in the disk accommodating space, and the connecting body is connected with the shell.
Preferably, in the above mobile storage device, the housing includes a support plate supporting the hard disk, and the connecting body is connected to the support plate.
Preferably, in the above mobile storage device, the support plate is provided with an installation through hole, the connector includes an inner clip body and an outer elastic clip body that are connected, the connector is inserted into the installation through hole, and the support plate is clamped between the inner clip body and the outer elastic clip body.
The utility model discloses a hard disk vibration damper's advantage lies in:
after the hard disk is arranged in the disk accommodating space, the first vibration reduction part and the second vibration reduction part can reduce vibration of the hard disk in multiple directions, and the vibration reduction effect is good.
In addition, to the mobile storage equipment that does not have the hard disk cartridge, can be connected with mobile storage equipment through the connector, and then fix hard disk damping device on mobile storage equipment, need not set up the hard disk cartridge in addition and go to spacing hard disk damping device on mobile storage equipment, the connector is as the connection structure between hard disk damping device and the mobile storage equipment, and occupation space and volume can be less than the hard disk cartridge a lot, and the cost is also lower than the hard disk cartridge.
To sum up, the utility model discloses a hard disk vibration damper is effectual not only the damping, and is with low costs moreover.
Drawings
Fig. 1 is a front view of a hard disk vibration damping device according to embodiment 1 of the present invention;
fig. 2 is a left side view of the hard disk vibration damping device according to embodiment 1 of the present invention;
fig. 3 is a top view of the hard disk vibration damping device according to embodiment 1 of the present invention;
fig. 4 is a perspective view of a hard disk vibration damping device according to embodiment 1 of the present invention;
fig. 5 is a perspective view of a part of the structure of a mobile storage device according to embodiment 2 of the present invention;
fig. 6 is an exploded view of a part of the structure of a mobile storage device according to embodiment 2 of the present invention;
fig. 7 is an end view of a part of the structure of a mobile storage device according to embodiment 2 of the present invention.
The component names and designations in the drawings are as follows:
the hard disk vibration damping device 100, the elastic vibration damping body 10, the first vibration damping part 11, the first contact surface 111, the deformation space 112, the second vibration damping part 12, the second contact surface 121, the connecting hole 122, the disk accommodating space 13, the connecting body 20, the elastic body 21, the inner clip 22, the outer elastic clip 23, the hard disk 200, the support plate 300, the mounting through hole 310 and the screw 400.
Detailed Description
Example 1
As shown in fig. 1 to 4, the present embodiment discloses a hard disk vibration damping device 100, the hard disk vibration damping device 100 includes an elastic vibration damping body 10 and a connecting body 20 connected, and the connecting body 20 is connected to an outer surface of the elastic vibration damping body 10. The elastic vibration damping body 10 includes a first vibration damping portion 11 and a second vibration damping portion 12, the first vibration damping portion 11 extends toward a first direction, the second vibration damping portion 12 extends toward a second direction, the first direction and the second direction are different, and a disk accommodating space 13 is defined by an inner surface of the first vibration damping portion 11 and an inner surface of the second vibration damping portion 12. The elastic damping body 10 may be made of a rubber material.
The hard disk vibration damping device 100 of the present embodiment has the advantages that: after the hard disk 200 is placed in the disk accommodating space 13, the first vibration reduction part 11 and the second vibration reduction part 12 can reduce vibration of the hard disk 200 in multiple directions, and the vibration reduction effect is good.
After current gluey frame damping structure parcel is on the hard disk, still need the hard disk cartridge to glue frame damping structure and carry out whole spacing, prevent to glue the sub-assembly of frame damping structure and hard disk and remove in mobile storage equipment's inner chamber, striking mobile storage equipment's inner wall for current gluey frame damping structure can not reach anticipated damping effect. For a mobile storage device without a hard disk cartridge, the embodiment may be connected to the mobile storage device through the connecting body 20, so as to fix the hard disk vibration damping device 100 on the mobile storage device, and there is no need to additionally provide a hard disk cartridge to limit the hard disk vibration damping device 100 on the mobile storage device. In the process of shaking the mobile storage device, since the connecting body 20 is connected to the mobile storage device, the connecting body 20 will not move in the inner cavity of the mobile storage device, and the assembly of the hard disk vibration damping device 100 and the hard disk 200 of the embodiment will not move in the inner cavity of the mobile storage device and will not hit the inner wall of the mobile storage device, so that the hard disk vibration damping device 100 of the embodiment can achieve the expected vibration damping effect.
The connecting body 20 as a connecting structure between the hard disk vibration damper 100 and the mobile storage device occupies much less space and volume than a hard disk cartridge, and has lower cost than the hard disk cartridge. The hard disk vibration damping device 100 of the embodiment has good vibration damping effect and low cost. The hard disk 200 of this embodiment may be a mechanical hard disk or a solid state hard disk.
The first direction and the second direction are perpendicular to each other, i.e., the first vibration damping portion 11 is perpendicular to the extending direction of the second vibration damping portion 12. As shown in fig. 4, the first vibration damping part 11 has a first contact surface 111, and the second vibration damping part 12 has a second contact surface 121. As shown in fig. 5, the first direction is a horizontal direction, the second direction is a vertical direction, and after the hard disk 200 is placed in the disk accommodating space 13, the first contact surface 111 contacts the bottom surface of the hard disk 200, so that the first vibration reduction part 11 can reduce vibration in the vertical direction of the hard disk 200. The second contact surface 121 contacts a side surface of the hard disk 200, and the second vibration reduction portion 12 can reduce vibration in the horizontal direction of the hard disk 200.
As shown in fig. 4, the number of the second vibration attenuating portions 12 is two, and the two second vibration attenuating portions 12 are connected to the first vibration attenuating portion 11 with an interval therebetween. The two second vibration damping portions 12 and the first vibration damping portion 11 enclose a U-shaped disk accommodating space 13.
Two connecting bodies 20 are connected to the surface of the first vibration damping portion 11 departing from the first attachment surface 111, each connecting body 20 includes an elastic body 21, and each elastic body 21 is of a hollow columnar structure. The elastic body 21 is provided perpendicular to the first vibration reduction part 11 so that vibration reduction can be performed in the vertical direction of the hard disk 200. The connecting body 20 also has the function of supporting the hard disk 200, and for the hard disks 200 with different sizes, the elastic bodies 21 with different diameters and wall thicknesses can be selected to optimize the supporting function and the vibration damping function. For example, for a 3.5 inch hard disk 200, the diameter and wall thickness of the elastomeric body 21 may be increased to improve the support function. For a 2.5-inch hard disk 200, the diameter and the wall thickness of the elastic body 21 can be reduced to optimize the vibration reduction function on the basis of ensuring the support function.
The connector 20 further comprises an inner clip body 22 and an outer elastic clip body 23, wherein the inner clip body 22 and the outer elastic clip body 23 are connected to the elastic body 21 at intervals. The inner clip body 22 and the outer elastic clip body 23 may be ring-shaped structures. As shown in fig. 6, a mounting through hole 310 is provided on the housing of the mobile storage device, and the outer elastic clamp body 23 needs to pass through the mounting through hole 310, so that the housing is clamped between the inner clamp body 22 and the outer elastic clamp body 23. The connection of the connector 20 to the housing of the mobile storage device is simple, convenient and detachable. The inner clip body 22 and the outer clip body 23 have a size larger than that of the mounting through-hole 310, and the outer clip body 23 needs to be made of an elastic material so as to pass through the mounting through-hole 310 by elastic deformation.
The inner clip body 22 may be made of an elastic material or a hard material. Preferably, the inner clamp body 22 is made of an elastic material, which has the following advantages: the inner clamp body 22 and the outer elastic clamp body 23 are elastic and can be integrally formed without additional assembly, thereby being beneficial to saving cost. The inner clamping body 22 and the outer elastic clamping body 23 both have elasticity, so that the shell of the mobile storage device can be clamped more conveniently, the effect of fixing the hard disk vibration damping device 100 is better, the fixing effect of the hard disk vibration damping device 100 is good, and the vibration damping effect of the hard disk vibration damping device 100 can be improved.
The advantages of the connector 20 of the present embodiment include: 1. can be connected with the mobile storage device through the inner clip 22 and the outer elastic clip 23, thereby ensuring that the hard disk vibration damping device 100 of the embodiment can normally damp vibration. 2. The hard disk 200 can be supported by the elastic body 21 and the vertical direction of the hard disk 200 can be damped. 3. The elastic body 21 can also provide a certain vibration damping effect in the horizontal direction of the hard disk 200.
The first vibration damping portion 11 is provided with a deformation space 112 to increase the horizontal deformation capability of the first vibration damping portion 11, and the hard disks 200 with different widths can be placed in the disk accommodating space 13 through the horizontal extension capability of the first vibration damping portion 11 within a certain width range.
The deformation space 112 is an elliptical through hole having an elliptical end surface shape, and a major axis of the elliptical through hole extends along the longitudinal direction of the first vibration damping part 11, so that the horizontal extending capability of the first vibration damping part 11 is improved. Manufacturing is also facilitated since the deformation space 112 may be a standard oval through hole.
In another embodiment, the deformation space 112 may also be a groove, for example, the groove may be an elliptical groove having an elliptical end surface shape. The major axis of the elliptical groove extends along the length direction of the first vibration damping part 11.
In another embodiment, the deformation space 112 may be a hole with other shapes, such as a diamond-shaped hole or a circular hole.
Preferably, in another embodiment, the elastic damping body 10 and the connecting body 20 are integrally formed, and are simple to manufacture, do not need to be assembled, and have low cost. The connecting body 20 has elasticity and vibration damping functions, like the elastic vibration damping body 10. The connector 20 having this structure can fix the hard disk vibration damping device 100 to the portable storage device, and can further improve the vibration damping effect of the hard disk vibration damping device 100.
Example 2
As shown in fig. 5 to 7, the present embodiment discloses a mobile storage device, which includes a housing, a hard disk 200 and the hard disk vibration damping device 100 of embodiment 1, wherein the hard disk 200 is disposed in the disk accommodating space 13, and the connecting body 20 is connected to the housing.
Preferably, the housing includes a support plate 300 supporting the hard disk 200, and the connection body 20 is connected to the support plate 300. The support plate 300 is provided with an installation through hole 310, the connector 20 comprises an inner clip 22 and an outer elastic clip 23 which are connected, the connector 20 is arranged in the installation through hole 310 in a penetrating way, and the support plate 300 is clamped between the inner clip 22 and the outer elastic clip 23.
The advantages of the connection body 20 and the support plate 300 are: the hard disk 200 is located closer to the support plate 300 for supporting the hard disk 200, so that the height of the connection body 20 in the vertical direction can be set short, which is advantageous to save the material of the connection body 20.
The hard disk 200 of the present embodiment is damped by 2 hard disk damping devices 100. Two hard disk vibration dampers 100 are distributed at both ends of the hard disk 200. Hard disk 200 may be damped by 3 or 4 hard disk damping devices 100. Preferably, 2 hard disk vibration dampers 100 are selected for vibration damping, so that vibration damping effect is ensured, and installation time is reduced.
The second vibration reduction part 12 is provided with a connecting hole 122, and a screw 400 passes through the connecting hole 122 to detachably connect the second vibration reduction part 12 and the hard disk 200 together, so that the hard disk 200 is prevented from being separated from the hard disk vibration reduction device 100, and the hard disk vibration reduction device 100 is ensured to reliably reduce vibration of the hard disk 200.
In another embodiment, the connection body 20 may be glued to the support plate 300 in case it is inconvenient to provide the mounting through-hole 310 in the support plate 300.
Table one: vibration isolation coefficient test results
| Frequency point | Rubber pad type vibration damping structure | Rubber frame type vibration damping structure | Rubber hard disk vibration damper |
| 10HZ | 1.1 | 1.0 | 0.9 |
| 20HZ | 1.4 | 1.3 | 1.1 |
| 30HZ | 2.0 | 1.4 | 0.8 |
| 40HZ | 2.6 | 1.0 | 0.8 |
| 50HZ | 2.8 | 0.8 | 1.0 |
As shown in table one above: the value of the vibration isolation coefficient here is the amplitude of the hard disk 200 after vibration isolation divided by the amplitude of the support body supporting the hard disk 200. The smaller the value of the vibration isolation coefficient is, the better the vibration isolation effect is, i.e., the better the vibration damping effect is. The vibration isolation coefficient value of the rubber hard disk vibration damping device 100 of the embodiment in the range of 0 to 40HZ is lower than that of the existing cushion type vibration damping structure and rubber frame type vibration damping structure. That is, the vibration damping effect of the hard disk vibration damping device 100 of the present embodiment is significantly better than the vibration damping effects of the existing rubber pad type vibration damping structure and rubber frame type vibration damping structure.
The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, no longer describe here.
The above description is only an example of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (11)
1. A hard disk vibration damping device is characterized by comprising an elastic vibration damping body and a connecting body, wherein the connecting body is connected to the outer surface of the elastic vibration damping body; the elastic vibration damping body comprises a first vibration damping part and a second vibration damping part, the first vibration damping part extends towards a first direction, the second vibration damping part extends towards a second direction, the first direction is different from the second direction, and a disk accommodating space is defined by the inner surface of the first vibration damping part and the inner surface of the second vibration damping part.
2. The hard disk vibration damping device as claimed in claim 1, wherein said first direction and said second direction are perpendicular to each other.
3. The vibration damper for hard disk according to claim 1, wherein said elastic vibration damping body and said connecting body are formed as an integral molding.
4. The vibration damper for hard disk according to claim 1, wherein said connecting body comprises an elastic body, said elastic body is connected to an outer surface of said elastic vibration damper, said elastic body is a hollow cylindrical structure.
5. The vibration damper for hard disk according to claim 4, wherein the connecting body comprises an inner clip body and an outer elastic clip body, the inner clip body and the outer elastic clip body are both connected to the outer surface of the elastic body, and the inner clip body and the outer elastic clip body are arranged at intervals in the axial direction of the elastic body.
6. The vibration damping device for a hard disk according to claim 1, wherein the number of the second vibration damping portions is two, and two of the second vibration damping portions are connected to the first vibration damping portion at an interval.
7. The vibration damping device for a hard disk according to claim 6, wherein the first vibration damping portion is provided with a deformation space.
8. The vibration damping device for a hard disk according to claim 7, wherein said deformation space is an elliptical through hole having an elliptical end surface shape, and a major axis of said elliptical through hole extends in a longitudinal direction of said first vibration damping portion.
9. A portable storage device comprising a housing, a hard disk and the hard disk vibration damping device of claim 1, wherein the hard disk is accommodated in the disk accommodating space, and the connecting body is connected to the housing.
10. The removable storage device of claim 9, wherein the housing includes a support plate that supports the hard disk, and the connector is coupled to the support plate.
11. The mobile storage device as claimed in claim 10, wherein the supporting plate is provided with a mounting through hole, the connecting body comprises an inner clamping body and an outer elastic clamping body which are connected with each other, the connecting body is inserted into the mounting through hole, and the supporting plate is clamped between the inner clamping body and the outer elastic clamping body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921134218.0U CN209880160U (en) | 2019-07-18 | 2019-07-18 | Hard disk vibration damper and mobile storage equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921134218.0U CN209880160U (en) | 2019-07-18 | 2019-07-18 | Hard disk vibration damper and mobile storage equipment |
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| CN209880160U true CN209880160U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823335A (en) * | 2021-09-13 | 2021-12-21 | 杭州海康威视数字技术股份有限公司 | Vibration reduction and heat dissipation device and electronic equipment |
-
2019
- 2019-07-18 CN CN201921134218.0U patent/CN209880160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823335A (en) * | 2021-09-13 | 2021-12-21 | 杭州海康威视数字技术股份有限公司 | Vibration reduction and heat dissipation device and electronic equipment |
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