CN201436659U

CN201436659U - Wire rope type vibration isolator for computer hard disk

Info

Publication number: CN201436659U
Application number: CN2009200719122U
Authority: CN
Inventors: 孙洪军; 钱网生; 周相荣; 柳瑞锋
Original assignee: 704th Research Institute of CSIC
Current assignee: 704th Research Institute of CSIC
Priority date: 2009-05-08
Filing date: 2009-05-08
Publication date: 2010-04-07
Anticipated expiration: 2019-05-08

Abstract

A wire rope type vibration isolator for a computer hard disk mainly solves technical problem of vibration isolation for the computer hard disk. The technical solution is as follow: an upper clamping plate and a lower clamping plate of the vibration isolator are frame-shaped plate bodies, a group of wire rope is fixedly arranged at periphery of the plate bodies, the distance between the upper surface of the upper clamping plate and the bottom surface of the lower clamping plate is 15-20mm, the diameter of the wire rope is 1-1.6mm, the included angle of the center line of an upper fixing hole and a lower fixing hole connected by the wire rope and the bottom surface is 25-85 degree, so that wire rope type vibration isolator is suitable for vibration damping of computer hard disks with various specification.

Description

Steel wire rope type computer hard disk vibration isolator

Technical field:

The utility model relates to a kind of vibration damper, uses elastic device to suppress the vibration damper of vibration in particularly a kind of system.

Background technology:

Computing machine is widely used in every field, hard disc of computer is a most important external storage device in the computing machine, application program of user, data, document nearly all is stored in the hard disk, the composition of hard disk has magnetic head, main shaft, disc, driving mechanism, motor, chip and interface or the like, disc is fixed on and is high speed rotating on the electric machine main shaft, magnetic head can move radially along disc, the two has minimum gap, hard disk is to be installed in the hard disk support bracket of computing machine with screw, when computing machine suffers bigger vibration or impacts in practical environment, can make hard disk stall and deadlock; Existing computing machine, mostly under friction or vibration circlet border condition, work, its hard disk does not exist and reduces or the problem of separating vibration, but in aircraft, vehicle, naval vessel or other like environment, computing machine may be worked under the condition of strong vibration source, this moment, computing machine commonly used was an industrial computer, the vibration reducing measure of its complete machine is an oscillation damping method of continuing to use instrument, instrument, promptly adopts cushion blocking or shock-absorbing spring, and the damping technology scheme at hard disk is not arranged so far yet.

In antivibration area, the various equipment that need vibration damping, adopt various vibration isolators, make being rigidly connected between equipment and the basis change resiliency supported into, wherein common steel-wire isolator, it has non-linear rigidity, high damping, low frequency, good impact resistant effect, excellent specific properties such as long service life, and oil resistant, sea water resistance, anti-sunshine and high-low temperature resistant, on the naval vessel, space flight, the control panel of aviation and vehicle, widely apply in the vibration isolation of electronic device and the shock resistance field, the characteristics of its structure are that composition includes, lower plate, wire rope and clamp, on, lower plate is strip, include rectangular or billet (bulk), on each vibration isolator, the lower plate both sides are installed with one group of wire rope respectively, but the relevant model specification of existing structure such as Enidine company (U.S.), or the GGT of China, GS, GJ series helix type steel-wire isolator, as divert from one use to another vibration isolator as hard disc of computer, then there is following point:

Load is big---〉=0.5 kilogram of the minimum carrying of an existing specification list vibration isolator, and the quality of hard disc of computer is no more than 200 grams;

Size is big---minimum constructive height 〉=20 of existing specification vibration isolation millimeter, and the hard disk support bracket of computing machine can not provide the space of huge size like this;

Laterally unstability---conventional single steel-wire isolator waves, causes horizontal unstability easily in vibration, shock environment; Normal for this reason many vibration isolators are used in combination, but consequently bearing load is bigger, and size is also bigger, and is also poorer to the applicability of hard disc of computer.

The still unmanned specific (special) requirements at hard disc of computer of comprehensive the problems referred to above, present technique field, the prior art of similar " steel-wire isolator ", the new breakthrough of seeking to solve the hard disc of computer vibration isolation technique are adopted in thinking.

The utility model content:

Technical problem to be solved in the utility model is, a kind of improved steel wire rope type computer hard disk vibration isolator is provided, and it can adapt to the little bearing capacity of hard disc of computer and the demand of minor structure size, and can have good stable and dynamic property.

The technical scheme in the invention for solving the above technical problem is, vibration isolator includes train wheel bridge, wire rope, lower plate and clamp, the face end of wire rope is installed in respectively, lower plate, be characterized in: on the vibration isolator, lower plate is a shaped as frame plate body, all sides of plate body are installed with one group of wire rope, distance between train wheel bridge end face and the lower plate bottom surface is 15 millimeters to 25 millimeters, the diameter of wire rope is 1 millimeter to 1.6 millimeters, and the lower fixed hole line of centres and the angle between end face or the bottom surface of the last fixed orifice of wire rope cross-under and correspondence are 25 ° to 85 °.Train wheel bridge is connected with screw with hard disc of computer during use, and the hard disk support bracket of lower plate and computing machine is connected, thereby forms the splendid resiliency supported of hard disc of computer.

The utility model adopts the steel wire rope type vibration isolator, can give full play to the type vibration isolator advantage, to obtain favorable damping and erosion control effect, on the shaped as frame of its structure, lower plate and the corresponding one group of wire rope that sets firmly can form an all-in-one-piece miniature vibration isolator, not only its bearing capacity can and hard disk quality correspondence, and its monoblock type scheme can be made vibration isolator minimum size, required to adapt to the hard disk mounting condition, its frame monolithic construction and single general steel wire rope type vibration isolator are relatively, its horizontal stability can be guaranteed definitely, at the main structure parameters that the utility model provides, can provide the vibration isolation and the protecting against shock performance of hard disc of computer the best.

Description of drawings:

Fig. 1 is the utility model steel wire rope type computer hard disk vibration isolator front elevational schematic ().

Fig. 2 is the utility model steel wire rope type computer hard disk vibration isolator front elevational schematic (two).

Fig. 3 be among Fig. 1 A to view.

Fig. 4 be among Fig. 2 B to view.

Embodiment:

Include train wheel bridge 1,1 ', wire rope 2 and lower plate 3,3 ' and clamp 4 with reference to Fig. 1,2 steel wire rope type computer hard disk vibration isolators.

Shown in Fig. 1,3 a kind of steel wire rope type computer hard disk vibration isolator of monoblock type rectangle frame, wherein:

Train wheel bridge 1 is to be made by stainless steel, duralumin or other similar materials;

Train wheel bridge 1 is a rectangular shaped as frame upper plate body 11, and each limit structure of its correspondence is similar with the strip plate body of ordinary steel rope formula vibration isolator;

Upper plate body 11 can be two-layer or multilayer, and the gross thickness of upper plate body 11 is at least 2-3 times of wire rope 2 diameters, and structure is similar with existing structure;

The side of upper plate body 11 offers the last fixed orifice 12 that can wear wire rope 2, and the diameter of going up fixed orifice 12 usually is more smaller than the diameter of wire rope 2, is equipped with wire rope 2 and is fixed by clamp 4, and structure is similar with existing structure; The quantity of last fixed orifice 12 is at least 8, and upward fixed orifice 12 shown in Figure 3 is 8;

The correspondence two frame two ends of the shaped as frame upper plate body 11 of train wheel bridge 1 have extended to form convex extension part (as Fig. 3), have 4 convex extension parts 15 on the upper plate body 11 shown in Figure 3, convex extension part 15 is provided with mounting hole 14, wear screw in the mounting hole 14, hard disc of computer can be fixed on the steel wire rope type computer hard disk vibration isolator carriage.

Wire rope 2, be to make by stainless steel wire, the upper and lower

fixed orifice

12,32 of solderless wrapped connection at the upper and lower plate body 11,31 of upper and lower clamping plate 1,3 stretches through respectively, one group of wire rope 2 shown in Figure 3 has 4, and by clamp 4 each wire rope 2 chucking is fixed on the upper and lower plate body 11,31 of upper and lower clamping plate 1,3, thereby form the integral minitype vibration isolator of a distinctive adaptation hard disk vibration isolation at the contiguous place of wire rope;

The diameter of wire rope 2 can be 1.0 millimeters to 1.6 millimeters, and is selected according to the characteristic that the hard disc of computer vibration isolation is required.

Lower plate 3 materials are identical with train wheel bridge 1; Its rectangular shaped as frame lower body 31 structures are identical with upper plate body 11, and its length and width size can be slightly larger than or equal the size of upper plate body 11 correspondences;

Lower fixed hole 32 structures of lower body 31 are identical with last fixed orifice 12 correspondences with quantity;

Usually lower body 31 does not have the portion that stretches through with holes, can be fixed by its rim to realize fixing on the hard disc of computer carriage.

During assembling, to go up, lower plate 1,3 are worn by wire rope 2 respectively and fix with clamp 4, be combined into an all-in-one-piece hard disk for microcomputer vibration isolator, vibration isolator behind the composition, distance (i.e. the height of this vibration isolator) between its train wheel bridge 1 end face 13 and lower plate 3 bottom surfaces 33 can be selected between 15 to 25 millimeters, because the pitch-row between the last fixed orifice 12 of train wheel bridge 1 is less than the pitch-row between the lower fixed hole 32 of the lower plate 3 of correspondence, wire rope 2 after the installation is inclined with respect to end face 13 or bottom surface 33, be last fixed orifice 12 and the line of centres of corresponding lower fixed hole 32 and formation one angle between end face 13 or the bottom surface 33 of wire rope 2 cross-under, θ angle as shown in fig. 1, this θ angle can be selected at 25 ° to 85 °, above-mentioned vibration isolator height, parameters such as θ angle and wirerope diameter can be selected optimum value according to the required isolation characteristics of hard disc of computer.

Shown in Fig. 1,4 steel wire rope type computer hard disk vibration isolator of the circular frame of another kind of monoblock type, wherein:

Equal and the above-mentioned monoblock type rectangle of structure frames such as train wheel bridge 1 ' material, the number of plies, gross thickness are identical;

The last fixed orifice 12 ' of upper plate body 11 ' is distributed in round all sides, structure is also identical with monoblock type rectangle frame, evenly stretch in all sides of train wheel bridge 1 ' shaped as frame upper plate body 11 and to be provided with convex extension part 15 ', convex extension part 15 ' is provided with mounting hole 14 ' function also with above-mentioned identical.

Structures such as the size of wire rope 2, solderless wrapped connection and clamping plate 4 are fixing are also with above-mentioned identical;

The structure of lower plate 3 ' can adopt the structure identical with train wheel bridge 1 ', and at this moment, the line at upper and lower fixed orifice 12 ', 32 ' center is perpendicular to end face 13 ' or bottom surface 33 ', is whippy arcuation (as shown in Figure 2) after wire rope 2 cross-under are fixing.

During assembling, upper and lower clamping plate 1 ', 3 ' are worn by wire rope 2 respectively and fix with clamp 4, be combined into an all-in-one-piece another kind of hard disk for microcomputer vibration isolator equally, all the steel wire rope type computer hard disk vibration isolator with monoblock type rectangle frame is identical with wire rope 2 diameter selectable ranges for the vibration isolator height in its structural parameters.

Claims

1. steel wire rope type computer hard disk vibration isolator, vibration isolator includes train wheel bridge, wire rope, lower plate and clamp, the two ends of wire rope are installed in respectively, lower plate, it is characterized in that: on the vibration isolator, lower plate (1,3) be a shaped as frame plate body (11,31), plate body (11,31) all sides are installed with one group of wire rope (2), distance between train wheel bridge (1) end face (13) and lower plate (3) bottom surface (33) is 15 millimeters to 25 millimeters, the diameter of wire rope (2) is 1 millimeter to 1.6 millimeters, and the last fixed orifice (12) of wire rope (2) cross-under and corresponding lower fixed hole (32) line of centres and the angle between end face (13) or bottom surface (33) are 25 ° to 85 °.

2. steel wire rope type computer hard disk vibration isolator according to claim 1, the shaped as frame shape that it is characterized in that upper and lower clamping plate (1,3) shaped as frame plate bodys (11,31) is rectangle, circle, ellipse or square.

3. steel wire rope type computer hard disk vibration isolator according to claim 1 is characterized in that upper and lower clamping plate (1,3) shaped as frame plate bodys (11,31) are formed with the convex extension part (15) of band mounting hole (14).

4. steel wire rope type computer hard disk vibration isolator according to claim 1 is characterized in that the material of upper and lower clamping plate (1,3) shaped as frame plate bodys (11,31) is stainless steel or duralumin.

5. steel wire rope type computer hard disk vibration isolator according to claim 1, the material that it is characterized in that wire rope is a stainless steel wire.