CN210662089U - Information display platform for logistics management - Google Patents
Information display platform for logistics management Download PDFInfo
- Publication number
- CN210662089U CN210662089U CN201921591417.4U CN201921591417U CN210662089U CN 210662089 U CN210662089 U CN 210662089U CN 201921591417 U CN201921591417 U CN 201921591417U CN 210662089 U CN210662089 U CN 210662089U
- Authority
- CN
- China
- Prior art keywords
- platform
- bevel gear
- lifting
- display screen
- elevating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003028 elevating effect Effects 0.000 claims abstract description 70
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 12
- 230000001174 ascending effect Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model relates to a logistics management technical field, more specifically say, it relates to an information display platform for logistics management, including base and the brace table of setting on the base, be provided with the elevating platform in the brace table, elevating platform and brace table sliding fit are provided with the display screen on the elevating platform, and fixed being provided with on the base is used for driving the elevating gear of elevating platform lift in the brace table, elevating gear and elevating platform fixed connection. Through fixed elevating gear that is provided with on the base, elevating gear drive elevating platform goes up and down in a supporting bench, makes the height of display screen realize freely adjusting, satisfies different height users to the demand of the co-altitude of display screen, and show platform application range is wide.
Description
Technical Field
The utility model relates to a logistics management technical field, more specifically say, it relates to an information display platform for logistics management.
Background
Logistics is a process of organically combining functions such as transportation, storage, loading, unloading, transportation, packaging, distribution, information processing and the like according to actual needs to meet user requirements in the process of physically flowing articles from a supply place to a receiving place. The show stand is also known as the show stand in kind, and information display platform includes three parts: the back of the display stand is also provided with a series of interfaces, and some display stands facing high-end markets also comprise accessories such as an infrared remote controller, a computer image capturing adapter, a liquid crystal monitor and the like. The information display platform for logistics management clearly displays the states of goods and the service conditions of vehicles in logistics transportation operation in a display platform mode.
Chinese patent with publication number CN206400414U discloses an electronic commerce operation data information display platform, including display terminal and connecting piece, during the use, can be fast convenient fix the connecting piece mutually with fixed frame's the back through the screw, put into the locating hole with the positioning bolt who has connected fixed frame's connecting piece again, use the nut to consolidate, fixed frame can be installed, high durability and convenient installation, the installation is accomplished the back and is shown information through display terminal, and through the operation to the touch-control electronic screen, can carry out convenient inquiry to the information on the display terminal. Although can carry out effectual demonstration and inquiry to information, in the use, display terminal fixed mounting is in fixed frame, and when the user of different heights used to display platform, display terminal's height can not be free regulation, can't satisfy the demand of different height users to display terminal's co-altitude, and display platform application range is little, consequently, needs improve it.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an information display platform for logistics management through the fixed elevating gear that is provided with on the base, and elevating gear drive elevating platform goes up and down in a supporting bench, makes the height of display screen can realize freely adjusting, satisfies the demand of different height users to the co-altitude of display screen, and display platform application range is wide.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an information display platform for logistics management, includes the base and sets up the brace table on the base, be provided with the elevating platform in the brace table, elevating platform and brace table sliding fit, be provided with the display screen on the elevating platform, fixedly on the base being provided with the elevating gear who is used for driving the elevating platform and goes up and down in the brace table, elevating gear and elevating platform fixed connection.
Through the technical scheme, be provided with elevating platform and elevating gear on the base, elevating gear is connected with the elevating platform, and elevating gear during operation drives the elevating platform and carries out the ascending elevating movement in the vertical side from a supporting bench to drive the display screen on the elevating platform and go up and down, make the height of display screen can realize freely adjusting, satisfy the demand of different height users to the co-altitude of display screen, show platform application range is wide.
The utility model discloses further set up to: the lifting device comprises a driving assembly and a lifting assembly, the driving assembly is fixedly arranged on the base, the lifting assembly is arranged on the driving assembly, and the lifting assembly is connected with the driving assembly.
Through above-mentioned technical scheme, be provided with drive assembly on the base, drive assembly is last to be connected with lifting unit, and drive assembly during operation can drive lifting unit and move to can drive the elevating platform motion, realize the motion of elevating platform in a supporting bench, the simple operation.
The utility model discloses further set up to: the driving assembly comprises a driving device, a vertical bevel gear and a horizontal bevel gear, the driving device is fixedly arranged on the base, a first bevel gear is coaxially fixed at the output end of the driving device, a second bevel gear is arranged on the first bevel gear, the first bevel gear and the second bevel gear are meshed, a rotating rod is arranged in the second bevel gear in a penetrating mode, the second bevel gear and the rotating rod are fixedly connected, the vertical bevel gear is sleeved on the rotating rod, the rotating rod is fixedly connected with the vertical bevel gear, the vertical bevel gear is provided with the horizontal bevel gear, the vertical bevel gear is meshed with the horizontal bevel gear, and the horizontal bevel gear is fixedly connected with the lifting assembly.
Through above-mentioned technical scheme, fixedly on the brace table being provided with drive arrangement, when drive arrangement rotated, drive bevel gear one and rotate, drive bevel gear two and rotate, make the dwang rotate, can drive vertical bevel gear simultaneously and rotate, vertical bevel gear drives horizontal bevel gear and rotates to can drive lifting unit moves, make the elevating platform motion, the simple operation.
The utility model discloses further set up to: the lifting assembly comprises a rotating screw and a sliding block, the rotating screw penetrates through the horizontal bevel gear and is fixedly connected with the horizontal bevel gear, the sliding block is sleeved on the rotating screw and is in threaded connection with the rotating screw, and the sliding block is fixedly connected with the lifting platform.
Through above-mentioned technical scheme, rotate in the screw rod wears to locate horizontal bevel gear, when horizontal bevel gear rotates, drive and rotate the screw rod and rotate, make the slider be elevating movement on rotating the screw rod to can be elevating movement by electric lift platform in a supporting bench, thereby satisfy the demand of different heights user to the co-altitude of display screen.
The utility model discloses further set up to: the supporting table is provided with a sliding groove, the lifting platform is arranged in the sliding groove and is in sliding fit with the supporting table through the sliding groove, the sliding groove is provided with a limiting block, and the limiting block is arranged opposite to the sliding block.
Through the technical scheme, the spout has been seted up on a supporting bench, the elevating platform sets up in the spout, drive assembly drive lifting unit moves, it is elevating movement to drive a supporting bench in the spout, thereby drive the display screen on the elevating platform and go up and down, make the height of display screen realize freely adjusting, satisfy the demand of different height users to the co-altitude of display screen, simultaneously through the setting of stopper, when can avoiding the elevating platform to move in the spout, from the roll-off in the spout, make the unable normal work of elevating platform.
The utility model discloses further set up to: the display screen is movably connected with the lifting platform, a hydraulic cylinder is arranged between the display screen and the lifting platform, and two ends of the hydraulic cylinder are respectively hinged with the display screen and the lifting platform.
Through the technical scheme, display screen and elevating platform swing joint are provided with the pneumatic cylinder between display screen and the elevating platform, and the both ends of pneumatic cylinder are articulated with display screen and elevating platform respectively, make the pneumatic cylinder during operation, can drive the display screen and rotate on the elevating platform, make the demonstration angle of display screen can freely adjust to can adjust according to user's self demand, can keep fine posture when the user uses, it is more comfortable to use.
The utility model discloses further set up to: a hinge is arranged between the display screen and the lifting platform, and two ends of the hinge are fixedly connected with the display screen and the lifting platform respectively.
Through above-mentioned technical scheme, be provided with the hinge between display screen and elevating platform, and the both ends of hinge respectively with display screen and elevating platform fixed connection, make pneumatic cylinder during operation, the display screen can rotate relative elevating platform, make the demonstration angle of display screen can realize freely adjusting.
The utility model discloses further set up to: the cover is equipped with the bearing frame on the dwang, dwang and bearing frame inner wall fixed connection, and bearing frame and base fixed connection.
Through above-mentioned technical scheme, the cover is equipped with the bearing frame on the dwang, and bearing frame and base fixed connection make the dwang pass through the bearing frame and support on the base, make the dwang carry out better rotation in the bearing frame simultaneously.
To sum up, the utility model discloses following beneficial effect has:
(1) the lifting device is fixedly arranged on the base and drives the lifting platform to lift in the supporting platform, so that the height of the display screen can be freely adjusted, the requirements of users with different heights on different heights of the display screen are met, and the application range of the display platform is wide;
(2) through being provided with the pneumatic cylinder between display screen and elevating platform, and the both ends of pneumatic cylinder are articulated with display screen and elevating platform respectively, make the pneumatic cylinder during operation, can drive the display screen and rotate on the elevating platform, make the demonstration angle of display screen can freely adjust to can adjust according to user's self demand, can keep fine posture when the user uses, it is more comfortable to use.
Drawings
Fig. 1 is an overall schematic view of the present invention;
fig. 2 is a rear view of the present invention;
fig. 3 is a schematic structural view of the lifting device of the present invention;
fig. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a partially enlarged view of B in fig. 4.
Reference numerals: 1. a base; 2. a support table; 21. a chute; 22. a limiting block; 3. a lifting platform; 4. a display screen; 5. a lifting device; 6. a drive assembly; 61. a drive device; 62. a vertical bevel gear; 63. a horizontal bevel gear; 64. a first bevel gear; 65. a second bevel gear; 66. rotating the rod; 67. a bearing seat; 68. a bearing; 7. a lifting assembly; 71. rotating the screw; 72. a slider; 8. a hydraulic cylinder; 9. and (4) a hinge.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
An information display platform for logistics management is shown in fig. 1 and 2 and comprises a base 1 and a supporting table 2 arranged on the base 1, wherein a lifting table 3 is arranged on the supporting table 2, the lifting table 3 is in sliding fit with the supporting table 2, a display screen 4 is arranged on the lifting table 3, a lifting device 5 used for driving the lifting table 3 to lift in the supporting table 2 is fixedly arranged on the supporting table 2, and the lifting device 5 is fixedly connected with the lifting table 3. Highly adjusting information display platform as needs, when satisfying the user of different heights to the demand of display screen 4 height, start elevating gear 5, make elevating gear 5 drive elevating platform 3 and slide from brace table 2, thereby make elevating platform 3 be the ascending elevating movement of vertical side in brace table 2, make the height of display screen 4 realize freely adjusting, satisfy the demand of different height users to the co-altitude of display screen 4, user's comfort level is higher, information display platform application range is wider simultaneously.
As shown in fig. 4 and 5, a sliding groove 21 has been provided on the supporting table 2, the lifting table 3 is disposed in the sliding groove 21, and the lifting table 3 is in sliding fit with the supporting table 2 through the sliding groove 21, so that the lifting table 3 can slide in the supporting table 2 under the action of the lifting device 5, and meanwhile, the sliding groove 21 is provided with a limiting block 22, and the limiting block 22 is disposed at the uppermost end of the sliding groove 21 in the vertical direction, so that the lifting table 3 can slide out of the sliding groove 21 when moving in the sliding groove 21, and the lifting table 3 can not normally work.
As shown in fig. 3 and 4, the lifting device 5 includes a driving assembly 6 and a lifting assembly 7, the driving assembly 6 is fixedly disposed on the base 1, the lifting assembly 7 is disposed on the driving assembly 6, and the lifting assembly 7 is fixedly connected to the driving assembly 6. When the height of the display screen 4 needs to be adjusted, the driving assembly 6 is started, the driving assembly 6 drives the lifting assembly 7 to work, and the lifting assembly 7 drives the lifting platform 3 to move up and down, so that the height of the display screen 4 can be freely adjusted.
As shown in fig. 3 and 4, the driving assembly 6 includes a driving device 61, a vertical bevel gear 62 and a horizontal bevel gear 63, the driving device 61 is fixedly disposed in the base 1, and the driving device 61 may be directly formed by a motor. A first bevel gear 64 is coaxially fixed on an output shaft of the driving device 61, a second bevel gear 65 is arranged on the first bevel gear 64, and the second bevel gear 65 is meshed with the first bevel gear 64. When the height of the display screen 4 needs to be adjusted, the driving device 61 is started to drive the first bevel gear 64 to rotate, so that the second bevel gear 65 rotates. Wear to be equipped with dwang 66 in two bevel gear 65, two bevel gear 65 and dwang 66 fixed connection, the cover is equipped with bearing frame 67 on the dwang 66, bearing frame 67 inner wall and dwang 66 fixed connection, and bearing frame 67 and base 1 fixed connection, support dwang 66, vertical bevel gear 62 sets up on dwang 66, dwang 66 and vertical bevel gear 62 fixed connection, horizontal bevel gear 63 sets up on vertical bevel gear 62, and vertical bevel gear 62 meshes with horizontal bevel gear 63 mutually. When the second bevel gear 65 rotates, the rotating rod 66 is driven to rotate, and meanwhile, the vertical bevel gear 62 is driven to rotate, so that the horizontal bevel gear 63 is driven to rotate, and the horizontal bevel gear 63 is fixedly connected with the lifting assembly 7, so that the lifting assembly 7 is driven to move.
As shown in fig. 3 and 4, the lifting assembly 7 includes a rotating screw 71 and a sliding block 72, the rotating screw 71 is inserted into the horizontal bevel gear 63, the rotating screw 71 is fixedly connected with the horizontal bevel gear 63, the sliding block 72 is sleeved on the rotating screw 71, the sliding block 72 is in threaded connection with the rotating screw 71, and the sliding block 72 is fixedly connected with the lifting platform 3. When the horizontal bevel gear 63 rotates, the rotating screw 71 is driven to rotate in the horizontal bevel gear 63, the bearing 68 is sleeved on the rotating screw 71, and the outer ring of the bearing 68 is fixedly connected with the base 1 to support the rotating screw 71. When rotating screw rod 71 and rotating, make slider 72 be ascending elevating movement in vertical direction along rotating screw rod 71 to drive elevating platform 3 and be elevating movement in spout 21, freely adjust the height of elevating platform 3, thereby make the height of display screen 4 freely adjust, can satisfy the demand of different height users to the co-altitude of display screen 4, user's comfort in use is higher, and information display platform application range is wider simultaneously. After the height adjustment of the lifting table 3 is completed, the driving device 61 is closed, and the height adjustment work of the lifting table 3 is completed.
As shown in fig. 4 and 6, in order to adjust the display angle of the display screen 4 freely and adjust the display angle according to the requirement of the user, the user can keep a good posture when using the device, and the device is more comfortable to use and is movably connected between the display screen 4 and the lifting platform 3. Be provided with hinge 9 between display screen 4 and the elevating platform 3, hinge 9's both ends are articulated with display screen 4 and elevating platform 3 respectively, and are provided with pneumatic cylinder 8 between display screen 4 and the elevating platform 3, and pneumatic cylinder 8's both ends respectively with display screen 4 and 3 fixed connection of elevating platform. When the display angle of the display screen 4 needs to be adjusted, the hydraulic cylinder 8 is started, the hydraulic cylinder 8 drives the display screen 4 to rotate, the display screen 4 rotates at the lifting platform 3 through the hinge 9, the display angle of the display screen 4 is freely adjusted, and after the display angle required by a user is adjusted, the hydraulic cylinder 8 stops working, and the adjustment of the display screen 4 is completed.
The implementation principle of the embodiment is as follows: when users with different heights use the information display platform and the height of the information display platform needs to be adjusted, in order to meet the requirements of users with different heights on the height of the display screen 4, the driving device 61 is started to drive the first bevel gear 64 to rotate, the second bevel gear 65 is driven to rotate, the rotating rod 66 is driven to rotate, meanwhile, the vertical bevel gear 62 is driven to rotate, the horizontal bevel gear 63 drives the rotating screw 71 to rotate, when the rotating screw 71 rotates, the sliding block 72 is driven to do lifting motion in the vertical direction along the rotating screw 71, the lifting platform 3 is driven to do lifting motion in the sliding groove 21, the height of the lifting platform 3 is freely adjusted, and after the height of the lifting platform 3 is adjusted, the driving device 61 is closed. After the altitude mixture control of elevating platform 3 was accomplished, adjust the demonstration angle of display screen 4, start pneumatic cylinder 8, make pneumatic cylinder 8 drive display screen 4 and rotate, display screen 4 passes through hinge 9 and rotates at elevating platform 3, thereby carry out free regulation to the demonstration angle of display screen 4, after adjusting the required demonstration angle of user, make pneumatic cylinder 8 stop work, accomplish the regulation to display screen 4, thereby can adjust according to user's self demand, the user can keep fine posture when using, it is more comfortable to use.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an information display platform for logistics management, includes base (1) and brace table (2) of setting on base (1), its characterized in that, be provided with elevating platform (3) in brace table (2), elevating platform (3) and brace table (2) sliding fit, be provided with display screen (4) on elevating platform (3), fixed elevating gear (5) that are used for driving elevating platform (3) to go up and down in brace table (2) that are provided with on base (1), elevating gear (5) and elevating platform (3) fixed connection.
2. The information display platform for logistics management according to claim 1, wherein the lifting device (5) comprises a driving component (6) and a lifting component (7), the driving component (6) is fixedly arranged on the base (1), the lifting component (7) is arranged on the driving component (6), and the lifting component (7) is connected with the driving component (6).
3. The information display platform for logistics management according to claim 2, wherein the driving assembly (6) comprises a driving device (61), a vertical bevel gear (62) and a horizontal bevel gear (63), the driving device (61) is fixedly arranged on the base (1), a first bevel gear (64) is coaxially fixed at the output end of the driving device (61), a second bevel gear (65) is arranged on the first bevel gear (64), the first bevel gear (64) is meshed with the second bevel gear (65), a rotating rod (66) penetrates through the second bevel gear (65), the second bevel gear (65) is fixedly connected with the rotating rod (66), the vertical bevel gear (62) is sleeved on the rotating rod (66), the rotating rod (66) is fixedly connected with the vertical bevel gear (62), and the horizontal bevel gear (63) is arranged on the vertical bevel gear (62), and the vertical bevel gear (62) is meshed with the horizontal bevel gear (63), and the horizontal bevel gear (63) is fixedly connected with the lifting component (7).
4. The information display platform for logistics management according to claim 2, wherein the lifting assembly (7) comprises a rotating screw (71) and a sliding block (72), the rotating screw (71) is arranged in the horizontal bevel gear (63) in a penetrating manner, the rotating screw (71) is fixedly connected with the horizontal bevel gear (63), the sliding block (72) is sleeved on the rotating screw (71), the sliding block (72) is in threaded connection with the rotating screw (71), and the sliding block (72) is fixedly connected with the lifting platform (3).
5. The information display platform for logistics management according to claim 4, wherein the supporting platform (2) is provided with a sliding groove (21), the lifting platform (3) is arranged in the sliding groove (21), the lifting platform (3) is in sliding fit with the supporting platform (2) through the sliding groove (21), the sliding groove (21) is provided with a limiting block (22), and the limiting block (22) and the sliding block (72) are arranged oppositely.
6. The information display platform for logistics management according to claim 1, wherein the display screen (4) is movably connected with the lifting platform (3), a hydraulic cylinder (8) is arranged between the display screen (4) and the lifting platform (3), and two ends of the hydraulic cylinder (8) are respectively fixedly connected with the display screen (4) and the lifting platform (3).
7. The information display platform for logistics management according to claim 6, wherein a hinge (9) is arranged between the display screen (4) and the lifting platform (3), and two ends of the hinge (9) are respectively hinged with the display screen (4) and the lifting platform (3).
8. The information display platform for logistics management according to claim 3, wherein a bearing seat (67) is sleeved on the rotating rod (66), the rotating rod (66) is fixedly connected with the inner wall of the bearing seat (67), and the bearing seat (67) is fixedly connected with the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921591417.4U CN210662089U (en) | 2019-09-23 | 2019-09-23 | Information display platform for logistics management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921591417.4U CN210662089U (en) | 2019-09-23 | 2019-09-23 | Information display platform for logistics management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210662089U true CN210662089U (en) | 2020-06-02 |
Family
ID=70815656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921591417.4U Expired - Fee Related CN210662089U (en) | 2019-09-23 | 2019-09-23 | Information display platform for logistics management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210662089U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164343A (en) * | 2020-11-10 | 2021-01-01 | 李云乔 | Visual transmission stop board capable of being displayed in three-dimensional mode |
| CN113864584A (en) * | 2021-09-26 | 2021-12-31 | 浙江悠狗网络科技有限公司 | Global smart travel service platform |
-
2019
- 2019-09-23 CN CN201921591417.4U patent/CN210662089U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164343A (en) * | 2020-11-10 | 2021-01-01 | 李云乔 | Visual transmission stop board capable of being displayed in three-dimensional mode |
| CN113864584A (en) * | 2021-09-26 | 2021-12-31 | 浙江悠狗网络科技有限公司 | Global smart travel service platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210662089U (en) | Information display platform for logistics management | |
| CN104266046A (en) | Conveniently adjusted electronic product support | |
| CN205690024U (en) | A kind of interactive digital stage+module equipment | |
| CN213656137U (en) | Computer display support | |
| CN212156344U (en) | Lifting support frame for splicing display screen | |
| CN201117297Y (en) | Multifunctional mobile computer rack | |
| CN209391367U (en) | A kind of English Language Training device | |
| CN207746891U (en) | A kind of Multifunctional adjustable polissoir | |
| CN213809858U (en) | LED screen fixing device for meeting | |
| CN215215529U (en) | Multimedia touch device integrated with printing function | |
| CN212900655U (en) | Computer display support that facilitates use | |
| CN212139759U (en) | Office table for placing display | |
| CN212004879U (en) | Computer display elevating gear | |
| CN209712007U (en) | A kind of plug-in tablet computer lifting device | |
| CN208875549U (en) | The small-sized liftable computer desk of electrodynamic type | |
| CN112325130A (en) | A show projection equipment for information technology | |
| CN201119204Y (en) | Electrical rotation base and plane display frame with this base | |
| CN112780905B (en) | Equipment for coal mine electromechanical staff training | |
| CN219828407U (en) | Display mounting structure | |
| CN212039590U (en) | Over-and-under type environmental protection dust removal spraying apparatus | |
| CN218863662U (en) | But quadriversal regulation formula computer display | |
| CN219045289U (en) | House building construction platform | |
| CN221097969U (en) | Multifunctional analysis teaching device | |
| CN220727744U (en) | Adjustable double-screen computer display module | |
| CN215764286U (en) | Automatic lifting device for display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |