CN101850747A

CN101850747A - Anti-shock mechanism for suspended vehicle-mounted hard disk

Info

Publication number: CN101850747A
Application number: CN201010114097A
Authority: CN
Inventors: 周蓉
Original assignee: Wuxi Electronics & Instruments Industry Co Ltd
Current assignee: Wuxi Electronics & Instruments Industry Co Ltd
Priority date: 2010-02-25
Filing date: 2010-02-25
Publication date: 2010-10-06
Anticipated expiration: 2030-02-25
Also published as: CN101850747B

Abstract

The invention relates to an anti-shock mechanism for a suspended vehicle-mounted hard disk, which comprises a bottom supporting frame and a top supporting frame, the hard disk is fixed on the top supporting frame, oil buffer units are arranged around the hard disk-fixing position of the top supporting frame, round-headed propping pins are arranged at positions on the bottom supporting frame, which correspond to the oil buffer units of the top supporting frame, the round-headed propping pins are inserted into the oil buffer units to connect the bottom supporting frame with the top supporting frame, and moreover, the top supporting frame is also connected with the bottom supporting frame through tension springs. Since the hard disk is mounted in suspension and isolated from the shock source, the impact on the hard disk, which comes form each direction, can be effectively buffered.

Description

The anti-shock mechanism of suspended vehicle-mounted hard disk

Technical field

The present invention relates to a kind of anti-shock mechanism of electronic product, particularly a kind of anti-shock mechanism of suspended vehicle-mounted hard disk.

Background technology

Vehicle electronic device of today is more and more higher to storage capacity requirement, so many media players all use hard disk as memory device, and hard disk requirement for antidetonation under vehicle-mounted condition is very high, present existing anti-shock mechanism all is hard disk to be installed in have on the elastomeric support, again support is installed on the body skin, this kind structure just is a kind of antidetonation situation of direction, the antidetonation situation of other direction is uncontrollable or earthquake resistant control strength is not enough, hard disk in this anti-shock mechanism and vibroseis are not real isolation, can not alleviate from the impulsive force of all directions to hard disk, the impulsive force for moment does not have enough protection especially.。

Summary of the invention

For solving the problems of the technologies described above, the invention provides the anti-shock mechanism of the unsettled installation of a kind of hard disk, this anti-shock mechanism is effectively isolated hard disk and vibroseis, and the influence of avoiding hard disk directly to be given a shock makes the hard disk working environment more stable.

The present invention is achieved in that the present invention contains a lower supporter, ceiling hold, hard disk is fixed on the ceiling hold, be provided with the oleo cushion unit around the hard disk fixed position of described ceiling hold, on the described lower supporter, the oleo cushion cell position of corresponding ceiling hold, be provided with the round end thimble, the round end thimble inserts the oleo cushion unit, lower supporter is formed with ceiling hold be connected; And, between ceiling hold and the lower supporter, also connect by extension spring.

Described oleo cushion unit is made of oil pressure elastic component, stage clip, and the oil pressure elastic component is a hollow circular cylinder, end face sealing, and another end face has circular hole, and silica gel oil is arranged in the middle cavity.Stage clip is fixed on the end face that has circular hole.Preferred fixing means is: outside the oil pressure elastic component, and a fixedly sleeved anti-vibration sleeve, the anti-vibration sleeve inwall is provided with grab, and stage clip is pressed into described anti-vibration sleeve bottom grab internal fixation.

Preferred scheme: the oleo cushion unit is symmetrical arranged totally 4 at hard disk corner location place.Described extension spring, four jiaos of ceiling holds, symmetry is established 4, is connected to four jiaos of lower supporters.

Further preferred: described lower supporter, fold by zincing steel sheet and to form, be the U font, the thimble of anti-skidding round end is arranged at four tops of riveted joint on the baseplane, and its side upright portion front and back end is provided with hook hole; Described ceiling hold, for can be installed on the hard disk both sides about two, every is folded by zincing steel sheet and to form, be the L font, the hole of keeping away that anti-vibration sleeve and thimble are arranged before and after the plane, top, and the hook hole in two corners, there is the screw hole of Fixed disk its side upright portion front and back; Described anti-vibration sleeve, plastic injection-moulded forming is one cylindric, and its internal diameter is corresponding to the external diameter of oil pressure elastic component and stage clip, and last plane has installs anti-rotation boss, and there is the fixedly planar portions of usefulness of screw last planar housings body both sides, and the grab that blocks stage clip is arranged below; Described stage clip is for being the support spring of back taper.

Described extension spring is the extension spring that two ends all have crotch.Form miter angle between extension spring and the lower supporter.

Adopt such scheme, hard disk and vibroseis are effectively isolated, and wherein buffer cell has four, is the quadrangle rectangular distribution, makes the vibrations uniformization.The buffer cell lower supporter of packing into can be effectively revert to the buffer cell center-point with the vibrations displacement of horizontal direction, and vibration energy is absorbed, and also has the oil pressure elastic component and after thimble cooperates, adds compression spring, can play protective action to the vibrations of vertical direction.Four extension springs all become miter angle with level with the vertical vibration direction in the space, so just further protective action are played in the vibrations of all directions, hard disk have been had the protection of the second layer.This anti-shock mechanism can effectively protect hard disk under automobile scenarios, plays the effect that anti-vibration is impacted.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the anti-shock mechanism of suspended vehicle-mounted hard disk of the present invention; Fig. 2 is the three-dimensional combination figure of the anti-shock mechanism of suspended vehicle-mounted hard disk of the present invention; Fig. 3 is the outside drawing of buffer cell in the anti-shock mechanism of suspended vehicle-mounted hard disk of the present invention; Fig. 4 is the structural representation of buffer cell in the anti-shock mechanism of suspended vehicle-mounted hard disk of the present invention; Fig. 5 is the cutaway view of oil pressure elastic component in the anti-shock mechanism of suspended vehicle-mounted hard disk of the present invention for outside drawing Fig. 6 of oil pressure elastic component in the anti-shock mechanism of suspended vehicle-mounted hard disk of the present invention; Fig. 7 is the front elevation of the anti-shock mechanism of suspended vehicle-mounted hard disk of the present invention for birds-eye view Fig. 8 of the anti-shock mechanism of suspended vehicle-mounted hard disk of the present invention.

In the accompanying drawing, 1---hard disk, 2---ceiling hold, 3---buffer cell, 31---the oil pressure elastic component, 32---anti-vibration sleeve, 33---stage clip, 4---lower supporter, 5---extension spring.

The specific embodiment

The present invention is described in further detail below in conjunction with the drawings and specific embodiments: as Fig. 1, Fig. 2, Fig. 7, shown in Figure 8, the present invention is by hard disk 1, ceiling hold 2, and oil pressure elastic component 31, anti-vibration sleeve 32, stage clip 33, lower supporter 4, extension spring 5 is formed.

As Fig. 3,4, during wherein oil pressure elastic component 31 was packed the interior ring on anti-vibration sleeve 32 tops into, concave-convex surface and center were provided with the end portion of the circular hole of placing thimble and install down, pack into the bottom of anti-vibration sleeve 32 of the top 33a of stage clip 33, and snap among the grab 32a, to form buffer cell 3.

Fig. 5, Fig. 6 are the structure embodiment of oil pressure elastic component.This oil pressure elastic component 31 is a hollow circular cylinder, and end face sealing has circular hole 34, oil pressure elastic component 31 inner filling gel oil on another end face.

Hard disk 1 is inserted between two ceiling holds 2, by position, hole 2d two ceiling holds 2 are fixed in hard disk about 1 two sides with four common machine tooth screws.Through hole 32b by anti-vibration sleeve 32 directly attacks among the circular hole 2b of ceiling hold 2 with trigonocephalia machine tooth screw, buffer cell 3 is fixing with ceiling hold 2, boss 32c on the anti-vibration sleeve 32 will insert keeping away among the hole 2c of ceiling hold 2 simultaneously, installs with convenient, avoids installing when screwing rotary shifted.In like manner, other three buffer cells 3 also use the same method it are fixed on the relevant position of ceiling hold 2.Above-mentioned structure of installing is packed on the lower supporter 4, and wherein the anti-skidding round end of the round end thimble 4b on the lower supporter 4 will head in the lower end circular hole of oil pressure elastic component 31 by stage clip 33 by four relevant positions.Crotch by four extension spring 5 two respectively links together the hook 2a of ceiling hold 2 and the hook 4a of lower supporter 4 at last.

Buffer cell 3 of the present invention spreads out as the antidetonation bridge with extension spring 5 and connects, and makes the unsettled device of hard disk, and hard disk 1 and vibroseis are effectively isolated, and wherein buffer cell 3 has four, is the quadrangle rectangular distribution, makes the vibrations uniformization.Buffer cell 3 and thimble 4b cooperate, and are given a shock back buffer cell 3 around thimble 4b swing, can effectively the vibrations displacement of horizontal direction be revert to the center-point of buffer cell 3, and vibration energy is absorbed.The circular hole of oil pressure elastic component 31 lower ends can prevent that with after the anti-skidding round end of thimble 4b cooperates buffer cell 3 upwards breaks away from lower supporter 4, and stage clip 33 can support the downward vibrations of buffer cell 3, and protective action is played in the vibrations of vertical direction.As shown in Figure 5, four extension springs 5 all become miter angle with level with the vertical vibration direction in the space, so just further protective action are played in the vibrations of all directions, hard disk 1 have been had the protection of the second layer.

Fig. 7, Fig. 8 are the birds-eye view and the front elevations of complete structure of the present invention, are running conditions of the present invention, and hard disk 1 can keep horizontal equilibrium as much as possible.

Anti-shock mechanism of the present invention is by the two-fold protection of buffer cell and extension spring; make the unsettled device of hard disk, hard disk and vibroseis are isolated, not only can effectively protect hard disk under automobile scenarios; cushion the effect of all directions jerk, and carry out the actv. protection for the impulsive force of moment.

Claims

1. the anti-shock mechanism of suspended vehicle-mounted hard disk, it is characterized in that: contain a lower supporter (4), ceiling hold (2), hard disk (1) is fixed on the ceiling hold (2), be provided with oleo cushion unit (3) around the hard disk fixed position of described ceiling hold (2), on the described lower supporter (4), the position, oleo cushion unit (3) of corresponding ceiling hold (2) is provided with round end thimble (4b), round end thimble (4b) inserts oleo cushion unit (3), lower supporter (4) is formed with ceiling hold (2) be connected; And, between ceiling hold (2) and the lower supporter (4), also connect by extension spring (5).

2. according to the anti-shock mechanism of the described suspended vehicle-mounted hard disk of claim 1, it is characterized in that: described oleo cushion unit (3) is made of oil pressure elastic component (31), stage clip (33), oil pressure elastic component (31) is a hollow circular cylinder, the sealing of one end face, another end face has circular hole (34), silica gel oil is arranged in the middle cavity, and stage clip (33) is fixed on the end face that has circular hole (34).

3. according to the anti-shock mechanism of the described suspended vehicle-mounted hard disk of claim 2, it is characterized in that: outside oil pressure elastic component (31), a fixedly sleeved anti-vibration sleeve (32), anti-vibration sleeve inwall are provided with grab (32a), and stage clip (33) is pressed into described anti-vibration sleeve (32) bottom grab (32a) internal fixation.

4. according to the anti-shock mechanism of claim 1 or 2 arbitrary described suspended vehicle-mounted hard disks, it is characterized in that: described oleo cushion unit (3) is symmetrical arranged totally 4 at hard disk corner location place.

5. according to the anti-shock mechanism of arbitrary described suspended vehicle-mounted hard disk of claim 1～3, it is characterized in that described extension spring (5), (2) four jiaos of ceiling holds, symmetry is established 4, is connected to (4) four jiaos of lower supporters.

6. according to the anti-shock mechanism of the described suspended vehicle-mounted hard disk of claim 1, it is characterized in that: described lower supporter (4), fold by zincing steel sheet and to form, be the U font, round end thimble (4b) is riveted on the baseplane, and side upright portion front and back end is provided with hook hole (4a).

7. according to the anti-shock mechanism of the described suspended vehicle-mounted hard disk of claim 1, it is characterized in that: described ceiling hold (2), for can be installed on the hard disk both sides about two, every is folded by zincing steel sheet and to form, be the L font, the plane, top has oleo cushion unit (3) to keep away a hole (2e), and the hook hole in two corners (2a), and the screw hole (2d) of Fixed disk is arranged before and after its side upright portion.

8. according to the anti-shock mechanism of claim 1 or 3 described suspended vehicle-mounted hard disks, it is characterized in that described anti-vibration sleeve (32), plastic injection-moulded forming, be one cylindric, its internal diameter is corresponding to the external diameter of oil pressure elastic component (31) and stage clip (33), last plane has installs anti-rotation boss (32c), and there is the fixedly planar portions of usefulness of screw last planar housings body both sides, and the grab (32a) that blocks stage clip (33) is arranged below.

9. according to the anti-shock mechanism of arbitrary described suspended vehicle-mounted hard disk of claim 1～3, it is characterized in that described stage clip (33), for being the support spring of back taper.

10. according to the anti-shock mechanism of claim 1 or 5 described suspended vehicle-mounted hard disks, it is characterized in that described extension spring (5), is the extension spring that two ends all have crotch, forms miter angle between extension spring (5) and the lower supporter (4).