CN201522852U - Hard disk damping structure of vehicle-mounted computer - Google Patents
Hard disk damping structure of vehicle-mounted computer Download PDFInfo
- Publication number
- CN201522852U CN201522852U CN2009202063048U CN200920206304U CN201522852U CN 201522852 U CN201522852 U CN 201522852U CN 2009202063048 U CN2009202063048 U CN 2009202063048U CN 200920206304 U CN200920206304 U CN 200920206304U CN 201522852 U CN201522852 U CN 201522852U
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- hard disk
- vehicle
- mounted computer
- cabinet
- spring leaf
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Abstract
The utility model relates to a hard disk damping structure of a vehicle-mounted computer, which comprises a case (3) and a hard disk component (10) installed on the case (3). The hard disk component (10) comprises a spring piece (4) with damping action and a hard disk (6); the case (3) is provided with a bottom plate (31) horizontally arranged on the plane of a vehicle; the spring piece (4) which is vertical to the bottom plate (31) of the case (3) is fixed on the case (3); and the hard disk is fixed on the spring piece (4). In the hard disk damping structure of the vehicle-mounted computer, the hard disk is installed on the spring piece which is arranged by being vertical to the plane of the vehicle, therefore, the plate of the hard disk is parallel to the plane formed by driving direction and the vertical direction of the vehicle, so that the vibration of the vehicle has less damage on the hard disk, furthermore, the hard disk is fixed on the spring piece, and the elasticity of the spring piece is utilized, therefore, the hard disk damping structure can effectively relieve the vibration of the hard disk during the vehicle driving process, achieve the damping effect, and effectively protect the hard disk.
Description
Technical field
The utility model relates to the computer field, more particularly, relates to a kind of hard disk shock-absorbing structure of vehicle-mounted computer.
Background technology
Vehicle-carried computer device is vehicle intellectualized post-PC era IT industry product, it adopts the standard microcomputer architecture to design, it is the collection Computer Multimedia Technology, database technology, the gps satellite location technology, wireless telecommunications, mobile storage and sensing technology are the high-tech product of one, it is integrated comprehensively to have function, hardware platform is stable, characteristics such as environmental adaptation is strong, global design surpasses national industrial controlling machine standard and reaches European standard, adopt highly reliable, the device manufacturing that antijamming capability is strong, novel design is at volume, install, anti-pollution, anti-vibration, careful careful consideration has all been carried out in aspects such as maintenance, started the precedent that automotive automation control and mobile office combine, and these functions can be carried out combination selection according to different car categories and user's request, to satisfy various automobile products and driver's brand-new demand, reserved integrated space for following new development in science and technology simultaneously.
Estimate according to CCID authority marketing expert, under automobile computerization and intelligentized trend, by China's two big mainstay industries (integrated industry of electronic information and auto industry) are merged, form annual 4000 hundred million dollars automotive electronics market, will become new great economy growth point.Vehicle-mounted computer is carrying out industrialization and commercial test at present.Because the exploitation of this system possesses high starting point, high request, believe to be bound to become main product in future.
Yet because the singularity of automotive environment, the vibrations of running car have proposed the requirement higher than common computer for the memory device of vehicle-mounted computer, are very big challenges to the storage security of data.The memory device that generally adopts has magnetic hard disk, CD, electric board and solid state hard disc at present, compares, and electric board memory capacity is little, read or write speed is slow, price is high, seems improper in the multimedia storage; And the single dish finite capacity of CD, read-write inconvenience; Though the stable aspect of solid state hard disc is greatly improved, capacity is little, cost an arm and a leg; Therefore need to use magnetic hard disk, not only capacity is big for magnetic hard disk, read or write speed is fast, and technology is relatively ripe, price is also cheaper, below the principle of work of magnetic hard disk is described in detail:
Put it briefly, the principle of work of magnetic hard disk is to utilize the polarity of specific magnetic particle to come record data.Magnetic head converts the opposed polarity of magnetic particle to different electric impulse signal when reading of data, utilize data converter that these original signals are become the operable data of computer again, and the operation of writing then just in time in contrast.
Hard disk is made up of control circuit board and disk body two large divisions basically, coiled hair assembly (Hard Disk Assembly wherein, HDA) be the core that constitutes the hard disk inner structure, be encapsulated in the purification cavity of hard disk, comprise flying head assembly, magnetic head driving mechanism, disc and main shaft drives mechanism, preposition read-write control circuit etc.
The flying head assembly is made up of read-write head, transmission arm, transmission shaft three parts.Magnetic head is the most important and the key link of seagate, be actually the combination of a plurality of magnetic heads that integrated technique makes, it has adopted contactless head, dish structure, powers up the magnetic disk surface flight of back at high speed rotating, fly high gap and have only 0.1-0.3 μ m, can obtain high data transmission rate.The hard disk of present turn up 7200RPM flies height and all is lower than 0.3 μ m, is beneficial to read bigger high s/n ratio signal, and the reliability of data transmission storage is provided.
The magnetic head driving mechanism is made up of voice coil motor and magnetic head driving trolley, and novel big capacity hard disk also has against shock mechanism efficiently.High-precision light-duty magnetic head driving mechanism can carry out correct driving and location to magnetic head, and accurately navigates in a short period of time on the magnetic track of system directive appointment, guarantees the reliability of reading and writing data.
Disc is the carrier of hard-disc storage data, and present disc mostly adopts the metallic film disk, and this metallic film has higher recording density compared to the discontinuous particulate vector of flexible plastic disc, also has the characteristics of high remanent magnetism and high-coercive force simultaneously.
Main shaft drives mechanism comprises spindle unit such as bearing shell and drive motor etc.Along with the expansion of hard-disk capacity, the speed of spindle motor is also in continuous lifting, and the speed of spindle motor is also in continuous lifting, caused conventional ball bearings motor wearing and tearing aggravations, temperature raises, noise increases disadvantage, and the raising of speed has been brought negative effect.Thereby present hard disk substantially all adopts liquid spindle motor (the Fluid dynamicbearing motors) technology of precision optical machinery industry, the liquid bearing motor uses mucous membrane liquid oil bearing, replace ball can avoid the direct friction of metal covering with oil film, noise and temperature are reduced to minimum.And oil film has the ability of effective absorbing vibration, can improve the shock resistance of spindle unit, and the liquid bearing motor does not have wearing and tearing theoretically, and the life-span endless is the development trend of present hypervelocity hard disk.
The signal of preposition read-write control circuit control head induction, spindle motor speed governing, magnetic head driving and servo positioning etc. because the weak output signal that magnetic head reads is sealed in the interference that can reduce extraneous signal in the cavity with amplifying circuit, improve the accuracy of operational order.
In general, the damage of hard disk is divided into hard damage and soft infringement.Wherein, hard damage comprise that head stack damages, control circuit damages, four kinds of comprehensive damage and sector physical damages (being commonly referred to as the physics bad track): 1, head stack damages: refer to that mainly certain part of head stack is damaged the situation that causes part or all of magnetic head normally to read and write in the hard disk.Mode and possibility that head stack damages are a lot, comprise mainly that magnetic head is dirty, head wear, magnetic head cantilever distortion, magnetic coil undermined displacement etc.2, control circuit damages: be meant a certain part line short in the electronic circuit board of hard disk or open circuit or some electrical equipment or the damage of IC chip etc., cause hard disk disc after energising not run well, perhaps the correct tracking etc. of running back magnetic head.3, comprehensive damage: mainly be because some small variations make the variety of problems of hard disk generation, some is that hard disk in use generates heat or other relations cause segment chip aging; After some hard disk was given a shock, shell, card or motor spindle had produced small variation or displacement; Some hard disk is that this is in design aspect, there is defective on heat radiation, friction or the structure, all reasons cause the instability of disk, frequent obliterated data or logic error occurs, and operating noise is big, read or write speed is slow, sometimes can operate as normal but cisco unity malfunction again sometimes.4, sector physical damage: be meant because collision, magnetic head friction or other reasons cause the physical damage of head surface appearance, for example: scratch, fall magnetic etc.
According to top analysis as can be known, the magnetic head that vibrations produce and improper contact of disc are the main reasons that causes hard disk corruptions, and automobile vibrations in the process of moving are very severe, and be very big to the injury of hard disk.Consult Fig. 1, the utility model will make the hard disk in the vehicle-mounted computer avoid being shaken, and will analyze automobile seismism in the process of moving for this reason, seeks out the vibrations rule in the vehicle traveling process.Shown in Figure 1 is the automobile shock conditions of three directions in the process of moving, and the vibrations on vertical direction (A direction) are mainly derived from jolting of Uneven road, and its vibration amplitude is little, but the vibration frequency height, and destructiveness is the strongest; Vibrations on travel direction (B direction) are mainly derived from the acceleration of automobile, and its vibration amplitude is big, and frequency is taken second place than vertical direction, and destructive power is also less relatively; The centripetal force that produces when the vibrations on horizontal direction (C direction) are mainly derived from turning etc., its vibration amplitude is big, but frequency is less, and acceleration is also little, a little less than the destructive power, when the disc of hard disk with travel and vertical direction is formed parallel plane the time to the injury minimum of hard disk.
Thereby, as shown in Figure 2, China's utility model patent discloses a kind of stationary installation (application number: 200610018471.0) of vehicle-mounted computer hard disk, it is made up of host computer and display screen, wherein display screen is fixed on and drives on the table top, host computer is fixed in the car, and also has a hard-disk cartridge and facing direction to be vertically fixed on by the host computer, and host computer and hard-disk cartridge are fixed on the base plate of boot of automobile or on the backrest of automobile trunk.Consult Fig. 2, the fixed form of main frame 1 and hard disk 2 is that two support 1-1,1-2 are fixing onboard, main frame 1 and hard disk 2 are separately fixed on two support 1-1, the 1-2, what the stationary installation of this vehicle-mounted computer hard disk adopted is the mode of hard disk vertical fixing, can guarantee the plane parallel that hard disk can constitute with vertical direction and travel direction, to lower the harm that the vibrations that constitute in the vehicle traveling process bring to hard disk.Yet this vehicle-mounted computer device for fixing hard disk just is vertically fixed on hard disk on the backrest of automobile boot by support 1-2, and hard disk 2 still can shake together along with support 1-2 in the car steering process, can not play good damping effect.
The utility model content
The technical problems to be solved in the utility model is, stationary installation at above-mentioned existing vehicle-mounted computer hard disk, can not play the shortcoming of good damping effect, a kind of hard disk shock-absorbing structure of vehicle-mounted computer is provided, the vibrations that can avoid producing in the vehicle traveling process have good damping effect to the harm that hard disk brings.
The technical scheme that its technical matters that solves the utility model adopts is: the hard disk shock-absorbing structure that a kind of vehicle-mounted computer is provided, comprise: cabinet and be installed on Hard disc module on the cabinet, described Hard disc module comprises spring leaf and the hard disk with cushioning effect, described cabinet has the base plate that lies against on the automobile plane, the base plate of the vertical cabinet of described spring leaf is fixed on the cabinet, and described hard disk is fixed on the spring leaf.
In the hard disk shock-absorbing structure of vehicle-mounted computer described in the utility model, described spring leaf is provided with the spiral spring plate that is used to reduce the hard disk vibrations, and described spiral spring plate repeatedly is bent to form by the rubber-like sheet metal.
In the hard disk shock-absorbing structure of vehicle-mounted computer described in the utility model, described spiral spring plate comprises interconnective first shell fragment that is used to cushion the vibrations that hard disk is subjected in vertical direction, be used to cushion second shell fragment of the vibrations that hard disk is subjected to and be used to cushion the vibrations that hard disk is subjected in a lateral direction on travel direction the 3rd shell fragment.
In the hard disk shock-absorbing structure of vehicle-mounted computer described in the utility model, the plane parallel that described first shell fragment and vehicle traveling direction and horizontal direction are formed, the plane parallel that second shell fragment and automobile vertical direction and horizontal direction are formed, the plane parallel that the 3rd shell fragment and automobile vertical direction and travel direction are formed.
In the hard disk shock-absorbing structure of vehicle-mounted computer described in the utility model, described hard disk is vertically fixed on the dead ahead of cabinet by spring leaf, with travelling and plane parallel that vertical direction is formed of automobile.
In the hard disk shock-absorbing structure of vehicle-mounted computer described in the utility model, described cabinet is provided with biside plate, and the two ends of described spring leaf are connected on the biside plate.
In the hard disk shock-absorbing structure of vehicle-mounted computer described in the utility model, described biside plate is the L type, has the relative contiguous block that is positioned at the cabinet dead ahead, the two ends of described spring leaf bend respectively and are provided with fixed part, and described spring leaf is connected and fixed between the biside plate with the corresponding of contiguous block by fixed part.
In the hard disk shock-absorbing structure of vehicle-mounted computer described in the utility model, the middle part of described spring leaf is provided with the installation portion that is used for fixing hard disk, and described spiral spring plate is connected between installation portion and the fixed part.
In the hard disk shock-absorbing structure of vehicle-mounted computer described in the utility model, described cabinet is fixed on the position that is positioned at the automobile console, and its base plate is positioned on the plane of automobile console.
The beneficial effect of the hard disk shock-absorbing structure of vehicle-mounted computer of the present utility model: at first, hard disk is installed on the spring leaf, place on the vertical automobile of spring leaf plane, make the travelling and plane parallel that vertical direction is formed of the disc of hard disk and automobile, thereby thump is less to the injury of hard disk; Secondly; because hard disk is fixed on the spring leaf; this spring leaf has special structure; utilize the elastic force of spring leaf; can alleviate effectively in the vehicle traveling process; hard disk is in vertical direction (A direction); the vibrations that are subjected on travel direction (B direction) and the horizontal direction (C direction); utilize the elastic force of spring leaf to reach the effect of damping; avoided the damage of hard disk; thereby effectively protected hard disk; make vehicle-mounted computer can finish all functions that general computer has, overcome that former vehicle-mounted computer adopts that CD or electric board exist can not write or defective and existing vehicle-mounted computer device for fixing hard disk that capacity is little can not effectively solve the shortcoming of bringing vibrations in the vehicle traveling process to hard disk.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
The schematic diagram of the seismism that Fig. 1 is in the vehicle traveling process to be produced;
Fig. 2 is the synoptic diagram of the stationary installation of existing vehicle-mounted computer hard disk;
Fig. 3 is the structural representation of the hard disk shock-absorbing structure of vehicle-mounted computer of the present utility model;
Fig. 4 is the synoptic diagram of Hard disc module shown in Figure 3;
Fig. 5 is the synoptic diagram of spring leaf shown in Figure 4.
Embodiment
As shown in Figure 3, be the structural representation of the hard disk shock-absorbing structure of vehicle-mounted computer of the present utility model; Fig. 4 is the synoptic diagram of Hard disc module shown in Figure 3; The hard disk shock-absorbing structure of vehicle-mounted computer of the present utility model comprises: cabinet 3 and be installed on Hard disc module 10 in the cabinet 3, and described cabinet 3 is the special-purpose cabinets that design for vehicle-mounted computer specially, described Hard disc module 10 comprises spring leaf 4 and hard disk 6.
Consult Fig. 5, shown in Figure 5 is the synoptic diagram of spring leaf.Main improvements of the present utility model are to be provided with the spring leaf 4 with cushioning effect, the middle part of described spring leaf 4 is provided with the installation portion 42 that is used for fixing hard disk 6, its two ends bend respectively and are provided with the fixed part 41 that is used to connect cabinet 3, be connected with spiral spring plate 43 between installation portion 42 and the fixed part 41, described spiral spring plate 43 is bent to form by the rubber-like sheet metal, comprise: interconnective first shell fragment 431 that is used to cushion the vibrations that hard disk 6 is subjected in vertical direction, be used to cushion second shell fragment 432 of the vibrations that hard disk 6 is subjected on travel direction, be used to cushion the 3rd shell fragment 433 of the vibrations that hard disk 6 is subjected in a lateral direction, when the installation portion 42 of spring leaf 4 is installed hard disk 6, after fixed part 41 was fixed in cabinet 3, being provided with of spiral spring plate 43 can effectively reduce in the vehicle traveling process hard disk 6 in vertical direction, travel direction and the vibrations that are subjected in a lateral direction.
Consult Fig. 4, described installation portion 42 is provided with four screws 421, correspondingly on the described hard disk 6 is provided with four screw holes 61, passes the screw hole 421 of spring leaf 4 by screw, and the screw hole 61 on the hard disk 6 is fixed in hard disk 6 on the spring leaf 4.
As shown in Figure 3, be provided with placement space 30 in the described cabinet 3, described Hard disc module 10 places in the placement space 30 of cabinet 3, described cabinet 3 has and lies against (the plane of travelling of automobile, automobile plane, parallel with road in other words plane) base plate 31 on, the biside plate 32 that vertical base plate 31 is provided with, described biside plate 32 is the L type, has the relative contiguous block 321 that is positioned at cabinet 3 dead aheads, described contiguous block 321 is provided with screw 322, be provided with fixed orifice 411 accordingly on the fixed part 41 of described spring leaf 4, by the corresponding screw 322 that connects on the side plate 32 of screw, fixed orifice 411 on the spring leaf 4, the two ends of spring leaf 4 are connected on the biside plate 32, and the base plate 31 of vertical cabinet 3 is fixed on the cabinet 3.
What deserves to be mentioned is, cabinet 3 is positioned at the position of automobile console, its base plate 31 is positioned on the plane of automobile console, and the base plate 31 of spring leaf 4 vertical cabinets 3 is provided with, thereby, the plane parallel that first shell fragment 431 and vehicle traveling direction and horizontal direction are formed is used to cushion the vibrations that hard disk 6 is subjected in vertical direction; The plane parallel that second shell fragment 432 and automobile vertical direction and horizontal direction are formed is used to cushion the vibrations that hard disk 6 is subjected on travel direction; The plane parallel that the 3rd shell fragment 433 and automobile vertical direction and travel direction are formed is used to cushion the vibrations that hard disk 6 is subjected in a lateral direction.Hard disk 6 is fixed on the spring leaf 4, with respect to the arranged outside of spring leaf 4 near cabinet 3, hard disk 6 is positioned on the direction vertical with the automobile plane, the plane parallel that travel and the vertical direction of the disc of hard disk 6 and automobile formed, thump is less to the injury of hard disk 6, and, because the special setting of spiral spring plate 43 can effectively reduce hard disk 6 in the vehicle traveling process in vertical direction, travel direction and the vibrations that are subjected in a lateral direction.
In addition, the mainframe box of vehicle-mounted computer is interior except the hard disk shock-absorbing structure is installed, mainboard (not shown) also is installed, display panel computer components and parts such as (not shown), wherein, computer main board is fixed in the rear of cabinet 3, display panel is fixed on the place ahead of cabinet outside, and whole vehicle-mounted computer system is fixed in automobile console position, realized the perfect adaptation of vehicle-mounted computer and automobile like this, and be convenient to connect up in the car and install, the more important thing is to have kept travelling and plane parallel that vertical direction is formed of hard disk and automobile, and cross the elastic force of giving full play to spring leaf 4 in the journey, reach the purpose that hard disk 6 is carried out damping in garage.
The utility model is installed in hard disk on the spring leaf, place on the vertical automobile of spring leaf plane, make the travelling and plane parallel that vertical direction is formed of the disc of hard disk and automobile, thereby thump is less to the injury of hard disk, and, because hard disk is fixed on the spring leaf, the harm that the vibrations that can avoid constituting in the vehicle traveling process bring to hard disk, make vehicle-mounted computer finish all functions that general computer has, overcome that former vehicle-mounted computer adopts that CD or electric board exist can not write or defective and existing vehicle-mounted computer device for fixing hard disk that capacity is little can not effectively solve the shortcoming of bringing vibrations in the vehicle traveling process to hard disk; And, the all functions of vehicle-mounted computer are integrated in the special-purpose cabinet, be equipped with different mainframe box designs according to different automobile types, really realized perfect adaptation with former car, made full use of the space of automobile, adopt scheme of the present utility model to place vehicle-mounted computer, and the configuration hard disk can be realized the GPS location navigation, multimedia recreation, get online without being tethered to a cable, wireless telecommunications, multinomial functions such as mobile storage and vehicle failure maintenance, and these functions can be carried out combination selection according to different car categories and user's request, to satisfy various automobile products and driver's brand-new demand, make that vehicle-mounted computer system is that integrated space has been reserved in following new development in science and technology.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (9)
1. the hard disk shock-absorbing structure of a vehicle-mounted computer, comprise: cabinet (3) and be installed on Hard disc module (10) on the cabinet (3), it is characterized in that, described Hard disc module (10) comprises spring leaf (4) and the hard disk (6) with cushioning effect, described cabinet (3) has the base plate (31) that lies against on the automobile plane, the base plate (31) of the vertical cabinet (3) of described spring leaf (4) is fixed on the cabinet (3), and described hard disk (6) is fixed on the spring leaf (4).
2. the hard disk shock-absorbing structure of vehicle-mounted computer according to claim 1 is characterized in that, described spring leaf (4) is provided with the spiral spring plate (43) that is used to reduce hard disk (6) vibrations, and described spiral spring plate (43) is bent to form by the rubber-like sheet metal.
3. the hard disk shock-absorbing structure of vehicle-mounted computer according to claim 2, it is characterized in that described spiral spring plate (43) comprises interconnective first shell fragment (431) that is used to cushion the vibrations that hard disk (6) is subjected in vertical direction, be used to cushion second shell fragment (432) of the vibrations that hard disk (6) is subjected to and be used to cushion the vibrations that hard disk (6) is subjected in a lateral direction on travel direction the 3rd shell fragment (433).
4. the hard disk shock-absorbing structure of vehicle-mounted computer according to claim 3, it is characterized in that, the plane parallel that described first shell fragment (431) and vehicle traveling direction and horizontal direction are formed, the plane parallel that second shell fragment (432) and automobile vertical direction and horizontal direction are formed, the plane parallel that the 3rd shell fragment (433) and automobile vertical direction and travel direction are formed.
5. the hard disk shock-absorbing structure of vehicle-mounted computer according to claim 1 is characterized in that, described hard disk (6) is vertically fixed on the dead ahead of cabinet (3) by spring leaf (4), with travelling and plane parallel that vertical direction is formed of automobile.
6. the hard disk shock-absorbing structure of vehicle-mounted computer according to claim 5 is characterized in that, described cabinet (3) is provided with biside plate (32), and the two ends of described spring leaf (4) are connected on the biside plate (32).
7. the hard disk shock-absorbing structure of vehicle-mounted computer according to claim 6, it is characterized in that, described biside plate (32) is the L type, has the relative contiguous block (321) that is positioned at cabinet (3) dead ahead, the two ends of described spring leaf (4) bend respectively and are provided with fixed part (41), and described spring leaf (4) is connected and fixed between the biside plate (32) with the corresponding of contiguous block (321) by fixed part (41).
8. the hard disk shock-absorbing structure of vehicle-mounted computer according to claim 7, it is characterized in that, the middle part of described spring leaf (4) is provided with the installation portion (42) that is used for fixing hard disk (6), and described spiral spring plate (43) is connected between installation portion (42) and the fixed part (41).
9. according to the hard disk shock-absorbing structure of each described vehicle-mounted computer of claim 1～8, it is characterized in that described cabinet (3) is fixed on the position that is positioned at the automobile console, its base plate (31) is positioned on the plane of automobile console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202063048U CN201522852U (en) | 2009-10-22 | 2009-10-22 | Hard disk damping structure of vehicle-mounted computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202063048U CN201522852U (en) | 2009-10-22 | 2009-10-22 | Hard disk damping structure of vehicle-mounted computer |
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| Publication Number | Publication Date |
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| CN201522852U true CN201522852U (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202063048U Expired - Lifetime CN201522852U (en) | 2009-10-22 | 2009-10-22 | Hard disk damping structure of vehicle-mounted computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984491A (en) * | 2010-11-15 | 2011-03-09 | 深圳市合正汽车电子有限公司 | Vehicle-mounted computer hard disk shock absorption mechanism |
-
2009
- 2009-10-22 CN CN2009202063048U patent/CN201522852U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984491A (en) * | 2010-11-15 | 2011-03-09 | 深圳市合正汽车电子有限公司 | Vehicle-mounted computer hard disk shock absorption mechanism |
| CN101984491B (en) * | 2010-11-15 | 2012-08-22 | 深圳市合正汽车电子有限公司 | Vehicle-mounted computer hard disk shock absorption mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100707 Effective date of abandoning: 20091022 |