LU101878B1 - Hard disk fixing device with shock-absorbing function - Google Patents
Hard disk fixing device with shock-absorbing function Download PDFInfo
- Publication number
- LU101878B1 LU101878B1 LU101878A LU101878A LU101878B1 LU 101878 B1 LU101878 B1 LU 101878B1 LU 101878 A LU101878 A LU 101878A LU 101878 A LU101878 A LU 101878A LU 101878 B1 LU101878 B1 LU 101878B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- side panel
- hook
- frame strip
- hanging ring
- hard disk
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/187—Mounting of fixed and removable disk drives
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention discloses a hard disk fixing device with shock-absorbing function, comprising: a box body, a horizontally placed hard disk disposed inside the box body, and a horizontally placed rectangular fixing frame fitted on the hard disk. The hard disk is directly fixed on the fixing frame, and the fixing frame is elastically connected to the side panels via a plurality of extension springs, thereby reducing the impact of shocks on the hard disk.
Description
lu101878 1 Description HARD DISK FIXING DEVICE WITH SHOCK-ABSORBING FUNCTION Technical field The invention relates to a hard disk fixing device with shock-absorbing function.
Technical background The hard disk is one of the main storage media of the computer and composed of one or more aluminum or glass discs, wherein the discs are covered with ferromagnetic materials.
In order to ensure the reliable operation of the hard disk, it is necessary to avoid or reduce the impact of shocks on the hard disk.
Summary of the invention it is an object of the inventionto provide a hard disk fixing device with shock-absorbing function, which can fix a hard disk and has a shock-absorbing function, thereby reducing the impact of shocks on the hard disk.
In order to achieve the above object, the technical solution of the present invention is to design a hard disk fixing device with shock-absorbing function, comprising a box body, a horizontally placed hard disk disposed inside the box body and a horizontally placed rectangular fixing frame fitted on the hard disk;
lu101878 2wherein the box body comprises a horizontally placed rectangular bottom plate, a vertical side panel extending upward from the edge of the bottom plate and a horizontally placed top cover,
| wherein the side panel comprises a first side panel, a second side panel, a third side panel and a fourth side panel which extend respectively upwards from the edges of the bottom plate; the first side panel, the second side panel, the third side panel and the fourth side panel are sequentially arranged along the circumferential direction of the bottom plate; the first side panel and the third side panel are parallel and symmetrically arranged with each other; the second side panel and the fourth side panel are parallel and symmetrically arranged with each other; the first side panel and the second side panel are perpendicular to each other; wherein the fixing frame comprises four frame strips, and the four frame strips comprise the first frame strip, the second frame strip, the third frame strip and the fourth frame strip which are sequentially arranged along the circumferential direction of the fixing frame; the first frame strip and the third frame strip are parallel and symmetrically arranged with each other; the second frame strip and the fourth frame strip are parallel and symmetrically arranged with each other; the first frame strip and the second frame strip are perpendicular to each other; wherein the first frame strip is parallel to the first side panel; the first frame strip is located between the first side panel and the third frame strip, and the third frame strip is located between the first frame strip and the third side panel; wherein a first strut is provided at the center of the inner wall of the first side panel, the first strut is perpendicular to the first side panel, and the first strut is provided with a first threaded hole on its end facing away from the first side panel, the axis of the first threaded hole is perpendicular to the first side panel; a first screw is locked into the first threaded hole, the first screw is provided with a first hook on its end facing awaylu101878 3 from the first side panel, a first hanging ring is provided in the middle of the first frame | strip, one end of a first extension spring is connected to the first hook, and the other end of the first extension spring is connected to the first hanging ring; wherein a third strut is provided at the center of the inner wall of the third side panel, the third strut is perpendicular to the third side panel, and the third strut is provided with a third threaded hole on its end facing away from the third side panel, the axis of the third threaded hole is perpendicular to the third side panel; a third screw is locked into the third threaded hole, the third screw is provided with a third hook on its end facing away from the third side panel, a third hanging ring is provided in the middle of the third frame strip, one end of a third extension spring is connected to the third hook, and the other end of the third extension spring is connected to the third hanging ring; wherein the second frame strip is parallel to the second side panel; the second frame strip is located between the second side panel and the fourth frame strip, and the fourth frame strip is located between the second frame strip and the fourth side panel; wherein a second strut is provided at the center of the inner wall of the second side panel, the second strut is perpendicular to the second side panel, and the second strut is provided with a second threaded hole on its end facing away from the second side panel, the axis of the second threaded hole is perpendicular to the second side panel; a second screw is locked into the second threaded hole, the second screw is provided with a second hook on its end facing away from the second side panel, a second hanging ring is provided in the middle of the second frame strip, one end of a second tension spring is connected to the second hook, and the other end of the second extension spring is connected to the second hanging ring; wherein a fourth strut is provided at the center of the inner wall of the fourth side panel, the fourth strut is perpendicular to the fourth side panel and the fourth strut is provided with a fourth threaded hole on its end facing away from the fourth side panel, the axislu101878
4 of the fourth threaded hole is perpendicular to the fourth side panel; a fourth screw is locked into the fourth threaded hole, the fourth screw is provided with a fourth hook on its end facing away from the fourth side panel, a fourth hanging ring is provided in the middle of the fourth frame strip, one end of a fourth extension spring is connected to the fourth hook, and the other end of the fourth extension spring is connected to the fourth hanging ring; wherein the first hook, the second hook, the third hook and the fourth hook are located at the same height; wherein the first hanging ring, the second hanging ring, the third hanging ring and the fourth hanging ring are located at the same height.
Preferably, the first hook and the first hanging ring are located at the same height.
Preferably, two ends of the first tension spring are respectively provided with a first ring-shaped end for hooking with the first hook, and a first hook-shaped end for hooking with the first hanging ring.
Preferably, two ends of the second tension spring are respectively provided with a second ring-shaped end for hooking with the second hook and a second hook-shaped end for hooking with the second hanging ring.
Preferably, two ends of the third tension spring are respectively provided with a third ring-shaped end for hooking with the third hook and a third hook-shaped end for hooking with the third hanging ring.
Preferably, two ends of the fourth tension spring are respectively provided with a fourth ring-shaped end for hooking with the fourth hook and a fourth hook-shaped end for hooking with the fourth hanging ring.
Preferably, a plurality of first heat dissipation holes are evenly distributed on the first side panel.
lu101878
| Preferably, a plurality of second heat dissipation holes are evenly distributed on the second side panel.
Preferably, a plurality of third heat dissipation holes are evenly distributed on the third side panel.
Preferably, a plurality of fourth heat dissipation holes are evenly distributed on the fourth side panel.
The advantages and beneficial effects of the present invention are to provide a hard disk fixing device with shock-absorbing function, which can fix a hard disk and has a shock-absorbing function, thereby reducing the impact of shocks on the hard disk.
The hard disk is directly fixed on the fixing frame, and the fixing frame is elastically connected to the side panel via a plurality of extension springs, thereby reducing the impact of shocks on the hard disk.
Each screw is thread-connected to the corresponding strut on the side panel, and the length of the tension spring can be adjusted by adjusting the depth of the screw locked into the threaded hole of the strut, thereby adjusting the tension of the tension spring on the fixing frame, and then adjusting the shock absorption effect.
Brief description of the drawings Fig. 1 is a schematic diagram of the present invention.
Detailed description of the embodiments The specific implementation of the present invention will be further described below in conjunction with the drawings and the examples.
The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, andlu101878 6 cannot be used to limit the protection scope of the present invention. The technical solutions of the specific implementation of the present invention are: As shown in Fig. 1, a fixing device for a hard disk 1 with shock-absorbing function comprises a box body, a horizontally placed hard disk 1 disposed inside the box body and a horizontally placed rectangular fixing frame 20 fitted on the hard disk 1, the box body comprises a horizontally placed rectangular bottom plate, a vertical side panel 30 extending upward from the edge of the bottom plate, and a horizontally placed top cover; the side panel 30 comprises a first side panel 31, a second side panel 32, a third side panel 33 and a fourth side panel 34 which extend respectively upwards from the edges of the bottom plate; the first side panel 31, the second side panel 32, the third side panel 33 and the fourth side panel 34 are sequentially arranged along the circumferential direction of the bottom plate; the first side panel 31 and the third side panel 33 are parallel and symmetrically arranged with each other; the second side panel 32 and the fourth side panel 34 are parallel and symmetrically arranged with each other; the first side panel 31 and the second side panel 32 are perpendicular to each other; the fixing frame 20 comprises four frame strips, and the four frame strips comprise the first frame strip 21, the second frame strip 22, the third frame strip 23 and the fourth frame strip 24 which are sequentially arranged along the circumferential direction of the fixing frame 20; the first frame strip 21 and the third frame strip 23 are parallel and symmetrically arranged with each other; the second frame strip 22 and the fourth frame strip 24 are parallel and symmetrically arranged with each other; the first frame strip 21 and the second frame strip 22 are perpendicular to each other;
EEElu101878 7 the first frame strip 21 is parallel to the first side panel 31; the first frame strip 21 is located between the first side panel 31 and the third frame strip 23, and the third frame strip 23 is located between the first frame strip 21 and the third side panel 33; a first strut 41 is provided at the center of the inner wall of the first side panel 31, the first strut 41 is perpendicular to the first side panel 31, and the first strut 41 is provided with a first threaded hole on its end facing away from the first side panel 31, the axis of the first threaded hole is perpendicular to the first side panel 31; a first screw 51 is locked into the first threaded hole, the first screw 51 is provided with a first hook 61 on its end facing away from the first side panel 31, a first hanging ring 71 is provided in the middle of the first frame strip 21, one end of a first extension spring 81 is connected to the first hook 61, and the other end of the first extension spring 81 is connected to the first hanging ring 71, a third strut 43 is provided at the center of the inner wall of the third side panel 33, the third strut 43 is perpendicular to the third side panel 33, and the third strut 43 is provided with a third threaded hole on its end facing away from the third side panel 33, the axis of the third threaded hole is perpendicular to the third side panel 33; a third screw 53 is locked into the third threaded hole, the third screw 53 is provided with a third hook 63 on its end facing away from the third side panel 33, a third hanging ring 73 is provided in the middle of the third frame strip 23, one end of a third extension spring 83 is connected to the third hook 63, and the other end of the third extension spring 83 is connected to the third hanging ring 73; the second frame strip 22 is parallel to the second side panel 32; the second frame strip 22 is located between the second side panel 32 and the fourth frame strip 24, and the fourth frame strip 24 is located between the second frame strip 22 and the fourth side panel 34; 777lu101878 8 a second strut 42 is provided at the center of the inner wall of the second side panel 32, the second strut 42 is perpendicular to the second side panel 32, and the second strut 42 is provided with a second threaded hole on its end facing away from the i second side panel 32, the axis of the second threaded hole is perpendicular to the second side panel 32; a second screw 52 is locked into the second threaded hole, the second screw 52 is provided with a second hook 62 on its end facing away from the second side panel 32, a second hanging ring 72 is provided in the middle of the second frame strip 22, one end of a second extension spring 82 is connected to the second hook, and the other end of the second extension spring 82 is connected to the second hanging ring 72; a fourth strut 44 is provided at the center of the inner wall of the fourth side panel 34, the fourth strut 44 is perpendicular to the fourth side panel 34, and the fourth strut 44 is provided with a fourth threaded hole on its end facing away from the fourth side panel 34, the axis of the fourth threaded hole is perpendicular to the fourth side panel 34; a fourth screw 54 is locked into the fourth threaded hole, the fourth screw 54 is provided with a fourth hook 64 on its end facing away from the fourth side panel 34, a fourth hanging ring 74 is provided in the middle of the fourth frame strip 24, one end of a fourth extension spring 84 is connected to the fourth hook 64, and the other end of the fourth extension spring 84 is connected to the fourth hanging ring 74; the first hook 61, the second hook 62, the third hook 63 and the fourth hook 64 are located at the same height; the first hanging ring 71, the second hanging ring 72, the third hanging ring 73 and the fourth hanging ring 74 are located at the same height.
The first hook 61 and the first hanging ring 71 are located at the same height. 17lu101878 9 Two ends of the first tension spring 81 are respectively provided with a first ring-shaped end (not shown in the figure) for hooking with the first hook 61, and a first hook-shaped end (not shown in the figure) for hooking with the first hanging ring 71. Two ends of the second tension spring 82 are respectively provided with a second ring-shaped end (not shown in the figure) for hooking with the second hook and a second hook-shaped end (not shown in the figure) for hooking with the second hanging ring 72. Two ends of the third tension spring 83 are respectively provided with a third ring-shaped end (not shown in the figure) for hooking with the third hook 63 and a third hook-shaped end (not shown in the figure) for hooking with the third hanging ring
73. Two ends of the fourth tension spring 84 are respectively provided with a fourth ring-shaped end (not shown in the figure) for hooking with the fourth hook 64 and a fourth hook-shaped end for hooking (not shown in the figure) with the fourth hanging ring 74. A plurality of first heat dissipation holes (not shown in the figure) are evenly distributed on the first side panel 31. A plurality of second heat dissipation holes (not shown in the figure) are evenly distributed on the second side panel 32. A plurality of third heat dissipation holes (not shown in the figure) are evenly distributed on the third side panel 33. A number of fourth heat dissipation holes (not shown in the figure) are evenly distributed on the fourth side panel 34.
EEElu101878
The hard disk 1 is directly fixed on the fixing frame 20, and the fixing frame 20 is elastically connected to the side panel 30 via a plurality of extension springs, thereby reducing the impact of shocks on the hard disk 1. Each screw is thread-connected to the corresponding strut on the side panel 30, and the length of the tension spring can be adjusted by adjusting the depth of the screw locked into the threaded hole of the strut, thereby adjusting the tension of the tension spring on the fixing frame 20, and then adjusting the shock absorption effect.
The above are merely preferred embodiments of the present invention.
It should be noted that for those skills in the art, improvements or modifications may be performed without departing from the technical principles of the present invention.
These improvements and modifications should also be regarded within the scope of protection of the present invention.
Claims (10)
1. A hard disk fixing device with shock-absorbing function, characterized in that the hard disk fixing device comprises a box body, a horizontally placed hard disk disposed inside the box body and a horizontally placed rectangular fixing frame fitted on the hard disk; wherein the box body comprises a horizontally placed rectangular bottom plate, a vertical side panel extending upward from the edge of the bottom plate and a horizontally placed top cover; wherein the side panel comprises a first side panel, a second side panel, a third side panel and a fourth side panel which extend respectively upwards from the edges of the bottom plate; the first side panel, the second side panel, the third side panel and the fourth side panel are sequentially arranged along the circumferential direction of the bottom plate; the first side panel and the third side panel are parallel and symmetrically arranged with each other; the second side panel and the fourth side panel are parallel and symmetrically arranged with each other; the first side panel and the second side panel are perpendicular to each other; wherein the fixing frame comprises four frame strips, and the four frame strips comprise the first frame strip, the second frame strip, the third frame strip and the fourth frame strip which are sequentially arranged along the circumferential direction of the fixing frame; the first frame strip and the third frame strip are parallel and symmetrically arranged with each other; the second frame strip and the fourth frame strip are parallel and symmetrically arranged with each other; the first frame strip and the second frame strip are perpendicular to each other; wherein the first frame strip is parallel to the first side panel; the first frame strip is located between the first side panel and the third frame strip, and the third frame strip is located between the first frame strip and the third side panel; wherein a first strut is provided at the center of the inner wall of the first side panel, the first strut is perpendicular to the first side panel, and the first strut is provided with a first threaded hole on its end facing away from the first side panel, the axis of the firstlu101878
12 threaded hole is perpendicular to the first side panel; a first screw is locked into the first threaded hole, the first screw is provided with a first hook on its end facing away from the first side panel, a first hanging ring is provided in the middle of the first frame strip, one end of a first extension spring is connected to the first hook, and the other end of the first extension spring is connected to the first hanging ring; wherein a third strut is provided at the center of the inner wall of the third side panel, the third strut is perpendicular to the third side panel, and the third strut is provided with a third threaded hole on its end facing away from the third side panel, the axis of the third threaded hole is perpendicular to the third side panel; a third screw is locked into the third threaded hole, the third screw is provided with a third hook on its end facing away from the third side panel, a third hanging ring is provided in the middle of the third frame strip, one end of a third extension spring is connected to the third hook, and the other end of the third extension spring is connected to the third hanging ring; wherein the second frame strip is parallel to the second side panel; the second frame strip is located between the second side panel and the fourth frame strip, and the fourth frame strip is located between the second frame strip and the fourth side panel; wherein a second strut is provided at the center of the inner wall of the second side panel, the second strut is perpendicular to the second side panel, and the second strut is provided with a second threaded hole on its end facing away from the second side panel, the axis of the second threaded hole is perpendicular to the second side panel; a second screw is locked into the second threaded hole, the second screw is provided with a second hook on its end facing away from the second side panel, a second hanging ring is provided in the middle of the second frame strip, one end of a second tension spring is connected to the second hook, and the other end of the second extension spring is connected to the second hanging ring; wherein a fourth strut is provided at the center of the inner wall of the fourth side panel, the fourth strut is perpendicular to the fourth side panel and the fourth strut is provided with a fourth threaded hole on its end facing away from the fourth side panel, the axis of the fourth threaded hole is perpendicular to the fourth side panel; a fourth screw is locked into the fourth threaded hole, the fourth screw is provided with a fourth hook onlu101878 13 its end facing away from the fourth side panel, a fourth hanging ring is provided in the | middie of the fourth frame strip, one end of a fourth extension spring is connected to the fourth hook, and the other end of the fourth extension spring is connected to the fourth hanging ring; wherein the first hook, the second hook, the third hook and the fourth hook are located at the same height; wherein the first hanging ring, the second hanging ring, the third hanging ring and the fourth hanging ring are located at the same height.
2. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that the first hook and the first hanging ring are located at the same height.
3. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that two ends of the first tension spring are respectively provided with a first ring-shaped end for hooking with the first hook, and a first hook-shaped end for hooking with the first hanging ring.
4. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that two ends of the second tension spring are respectively provided with a second ring-shaped end for hooking with the second hook and a second hook-shaped end for hooking with the second hanging ring.
5. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that two ends of the third tension spring are respectively provided with a third ring-shaped end for hooking with the third hook and a third hook-shaped end for hooking with the third hanging ring.
lu101878 14
6. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that two ends of the fourth tension spring are respectively provided with a fourth ring-shaped end for hooking with the fourth hook and a fourth hook-shaped end for hooking with the fourth hanging ring.
7. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that a plurality of first heat dissipation holes are evenly distributed on the first side panel.
8. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that a plurality of second heat dissipation holes are evenly distributed on the second side panel.
9. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that a plurality of third heat dissipation holes are evenly distributed on the third side panel.
10. The hard disk fixing device with shock-absorbing function according to claim 1, characterized in that a plurality of fourth heat dissipation holes are evenly distributed on the fourth side panel.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247595.5A CN109343671A (en) | 2018-10-25 | 2018-10-25 | Device for fixing hard disk with shock-absorbing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| LU101878A1 LU101878A1 (en) | 2020-06-30 |
| LU101878B1 true LU101878B1 (en) | 2020-07-13 |
Family
ID=65311579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU101878A LU101878B1 (en) | 2018-10-25 | 2018-11-07 | Hard disk fixing device with shock-absorbing function |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109343671A (en) |
| LU (1) | LU101878B1 (en) |
| WO (1) | WO2020082421A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8914865B2 (en) * | 2006-05-27 | 2014-12-16 | Loughton Technology, L.L.C. | Data storage and access facilitating techniques |
| CN102063928A (en) * | 2011-01-24 | 2011-05-18 | 深圳市威康普科技有限公司 | Vehicle-mounted high-definition DVR (Digital Video Recorder) hard disk with shock damping and safety protection device |
| CN202976844U (en) * | 2012-11-05 | 2013-06-05 | 成都阿普奇自动化技术有限公司 | Hard disk vibration-absorbing device |
| CN103722457B (en) * | 2013-12-31 | 2017-01-11 | 重庆工具厂有限责任公司 | Tooth shape grinding clamp |
| CN205354655U (en) * | 2016-02-26 | 2016-06-29 | 山东大宇网络科技有限公司 | Multi -functional heat dissipation hard disk cartridge that takes precautions against earthquakes |
| CN107742525A (en) * | 2017-10-25 | 2018-02-27 | 南宁恒腾科技有限公司 | A kind of computer disk bracket |
| CN207623872U (en) * | 2017-11-17 | 2018-07-17 | 樊庆存 | A kind of Computer hard drive bracket |
| CN207946752U (en) * | 2018-03-01 | 2018-10-09 | 中山市蓝鱼电子有限公司 | A kind of device for fixing hard disk |
-
2018
- 2018-10-25 CN CN201811247595.5A patent/CN109343671A/en active Pending
- 2018-11-07 LU LU101878A patent/LU101878B1/en active IP Right Grant
- 2018-11-07 WO PCT/CN2018/114263 patent/WO2020082421A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020082421A1 (en) | 2020-04-30 |
| LU101878A1 (en) | 2020-06-30 |
| CN109343671A (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205028658U (en) | Memory device | |
| US9195083B2 (en) | Impact resistant construction of an interactive device | |
| CN107967045B (en) | Computer hard disk fast-assembling shock attenuation bracket | |
| LU101878B1 (en) | Hard disk fixing device with shock-absorbing function | |
| TW201337919A (en) | Fastening device for hard disk drive | |
| CN204256626U (en) | A kind of computer cabinet | |
| CN203870976U (en) | Hard disc mounting support | |
| CN204496916U (en) | Shock absorption buffering mechanism installed by a kind of hard disk | |
| CN206541623U (en) | A kind of New-type computer hard disk | |
| CN208027266U (en) | A kind of hard disc of computer damping device | |
| CN209843253U (en) | Computer hard disk protection device that takes precautions against earthquakes | |
| CN209843256U (en) | Computer hard disk bracket takes precautions against earthquakes | |
| CN209992909U (en) | Computer case with turnover hard disk frame and shock absorption case | |
| CN209746497U (en) | Cloud computing server safety storage disc protection device | |
| CN207882817U (en) | A kind of hard disc of computer anti-resonance fixing device | |
| WO2021012532A1 (en) | Protection device for use in rail transit display | |
| CN204406989U (en) | A kind of hard disk rack of damping of dispelling the heat | |
| CN212135344U (en) | Computer hard disk protection device that takes precautions against earthquakes | |
| CN220752978U (en) | Display backboard | |
| CN207900769U (en) | A kind of vertical machining centre with buffer structure | |
| CN201804560U (en) | Rubber body shock-absorbing mechanism for hard disc | |
| CN205278681U (en) | Distance learning bothway trunk line amplifier accessory | |
| CN219780214U (en) | Anti-falling law enforcement recorder | |
| CN211376199U (en) | Computer hard disk antidetonation device | |
| CN210467327U (en) | Multi-hard-disk damping support structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Effective date: 20200713 |