CN208602164U - Intelligent blackboard - Google Patents
Intelligent blackboard Download PDFInfo
- Publication number
- CN208602164U CN208602164U CN201820978115.1U CN201820978115U CN208602164U CN 208602164 U CN208602164 U CN 208602164U CN 201820978115 U CN201820978115 U CN 201820978115U CN 208602164 U CN208602164 U CN 208602164U
- Authority
- CN
- China
- Prior art keywords
- face
- sliding
- installation case
- hardware installation
- wisdom blackboard
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 74
- 230000008439 repair process Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a wisdom blackboard, including the board body, the board body has towards operator's first face and the second face relative with first face, and the second face sets up the hardware install bin, and the hardware install bin passes through sliding block set spare and second face sliding connection, has the operating position and roll-off to the outside maintenance position of board body that hide in the second face. The hardware installation box of the second face through with the wisdom blackboard sets up to sliding structure, can pull out the hardware installation box to the outside of wisdom blackboard when needs maintenance, can break away from the wisdom blackboard completely even, and the maintenance of being convenient for has promoted maintenance speed.
Description
Technical field
The utility model relates to intelligent electronic device technical field more particularly to a kind of wisdom blackboards.
Background technique
In teaching process, knowledge point would generally be presented in teacher in a manner of writing on the blackboard, in order to carry out to relevant knowledge
Explanation, is also convenient for learner and intuitively carries out memory rational learning.Blackboard is the most common educational aid that writing on the blackboard is presented, at present
In order to which writing on the blackboard is more intelligently presented, a kind of wisdom blackboard is proposed, wisdom blackboard not only includes that can be used for writing writing on the blackboard
Clipboard (blackboard or blank), further includes the electronic plane that electronic document, picture, video can be presented, need during installation by
Electronics usually is arranged in the back side of wisdom blackboard on wall or on support frame in integral installation after electronic plane and clipboard are assembled
Plate hardware installation case.Existing wisdom blackboard has the disadvantage that 1, when wisdom blackboard is hung entirely through the mode of wall hanging
It connects when on the wall hanging beam of wall, if wisdom blackboard breaks down, needing integrally to remove wisdom blackboard could be to hardware
Installs case repairs, and increases maintenance difficulty, reduces maintenance speed.2, when wisdom blackboard is fixed on the support frame, out
In security consideration, generally support frame and wisdom blackboard are integrally moved to close metope, therefore the narrow space of wisdom blackboard back side,
If wisdom blackboard breaks down, wisdom blackboard and support frame can only be moved together to void spaces, it could be to hardware installation case
It repairs, equally exists the maintenance difficulty high problem low with speed is repaired.
Utility model content
The purpose of the utility model embodiment is: providing a kind of wisdom blackboard, the hardware installation case of back side setting can
The outside of wisdom blackboard is slid into, it is easy to repair, maintenance difficulty is reduced, maintenance speed is improved.
For this purpose, the utility model embodiment uses following technical scheme:
A kind of wisdom blackboard, including plate ontology be provided, the plate ontology have oriented manipulation person the first face and with it is described
The second opposite face of first face, second face are arranged hardware installation case, the hardware installation case by slide block assembly with it is described
Second face is slidably connected, the maintenance position for having the operating position being hidden in second face and sliding out to the plate body exterior
It sets.
As a kind of preferred embodiment of wisdom blackboard, the slide block assembly is arranged adjacent to the edge of the plate ontology.
As a kind of preferred embodiment of wisdom blackboard, the slide block assembly includes two and is arranged in parallel and at interval sliding rail,
Along its length through sliding slot is offered on the sliding rail, the opening of two sliding slots is opposite;The hardware installation case phase
Pair both ends be inserted respectively into two sliding slots.
As a kind of preferred embodiment of wisdom blackboard, it is arranged between the hardware installation case and the slot bottom of the sliding slot several
Directive wheel, the directive wheel are connected in the sliding slot or on the hardware installation case by shaft.
As a kind of preferred embodiment of wisdom blackboard, the sliding slot has the sliding slot head end for hardware installation case insertion
The sliding slot end opposite with the sliding slot head end, the sliding slot end are provided with the limit for preventing the hardware installation case from skidding off
Plate.
As a kind of preferred embodiment of wisdom blackboard, the slide block assembly includes sliding rail and sliding block, along it on the sliding rail
Length direction opens up sliding slot, and the sliding block is slidably matched with the sliding slot, and one in both the sliding rail and the sliding block is solid
It is scheduled on second face, another in both the sliding rail and the sliding block is fixed on the hardware installation case.
As a kind of preferred embodiment of wisdom blackboard, it is provided on the hardware installation case convenient for dragging the hardware installation
The handle of case, the handle are fixed on the hardware installation case perpendicular on the side in second face.
As a kind of preferred embodiment of wisdom blackboard, the plate ontology is connect by overturning component with mounting surface, can be opposite
It is overturn in the mounting surface.
As a kind of preferred embodiment of wisdom blackboard, the overturning component includes the wall hanging beam being fixed on the mounting surface
With the hook with wall hanging beam mounting cooperation, the hook is fixed on the plate ontology, and the hook can be relative to described
The rotation of wall hanging beam.
As a kind of preferred embodiment of wisdom blackboard, the top of the plate ontology is spaced the multiple institutes of setting along its length
Hook is stated, the length of the wall hanging beam is horizontally extending, and interval setting is multiple on the wall hanging beam matches with the hook
The wall hanging position of conjunction, each wall hanging position are provided with section wall hanging bar cylindrical.
The utility model embodiment has the beneficial effect that by setting the hardware installation case in the second face of wisdom blackboard to
Hardware installation case can be drawn out to the outside of wisdom blackboard, it might even be possible to completely disengage intelligence by slide construction when needing repairing
Intelligent blackboard, it is easy to repair, improve maintenance speed.
Detailed description of the invention
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is the decomposition diagram of wisdom blackboard described in the utility model embodiment.
Fig. 2 is the structural schematic diagram of wisdom blackboard described in the utility model embodiment.
Fig. 3 is the decomposition diagram of the hardware installation case of wisdom blackboard described in the utility model embodiment.
Fig. 4 is that (hardware installation case is in work to the partial structural diagram of wisdom blackboard described in the utility model embodiment
Make position).
Fig. 5 be the utility model embodiment described in wisdom blackboard partial structural diagram (hardware installation case be in inspection
Repair position).
In figure:
1, plate ontology;11, main screen;12, vice screen;
2, hardware installation case;21, shell;22, it covers;23, power panel;24, mainboard;25, WIFI module;26, it touches and turns
Fishplate bar;27, flange
3, wall hanging beam;4, it links up with;5, support plate;6, sliding rail;7, directive wheel.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
It is practical new to belong to this for those skilled in the art's every other embodiment obtained without creative efforts
The range of type protection.
In the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu
It is fixed " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
As shown in Fig. 1 to 5, the utility model embodiment provides a kind of wisdom blackboard, including plate ontology 1, and plate ontology 1 has
Hardware installation case 2 is arranged in the first face of oriented manipulation person and the second face opposite with the first face, the second face, and hardware installation case 2 is logical
It crosses slide block assembly to be slidably connected with the second face, there is the operating position being hidden in the second face and slides out to outside plate ontology 1
Overhaul position.By setting slide construction for the hardware installation case 2 in the second face of wisdom blackboard, can be incited somebody to action when needing repairing
Hardware installation case 2 is drawn out to the outside of wisdom blackboard, it might even be possible to wisdom blackboard is completely disengaged, it is easy to repair, and improve maintenance
Speed.
In the present invention, the outside (i.e. the outside of plate ontology 1) of wisdom blackboard refers to: along the front of wisdom blackboard
When (i.e. the first face) is watched, the position do not blocked by plate ontology 1.
Plate ontology 1 specifically includes main screen 11 and the vice screen 12 of 11 left and right sides of main screen is arranged in, and main screen 11 is intelligent interaction
Plate, surface use anti-dazzle tempered glass, realization can touch-control write also chalk-writing, vice screen 12 is clipboard, is used
Anti-dazzle tempered glass, main screen 11 and vice screen 12 are spliced into the plate ontology 1 an of entirety by splice.Hardware installation case 2 is logical
The back side that slide block assembly is slidably arranged in one of vice screen 12 is crossed, hardware installation case 2 is connect by connecting line with main screen 11, when
When needing to repair hardware installation case 2, hardware installation case 2 is pulled to maintenance position by operating position, unclamps connecting line,
Hardware installation case 2 can be repaired by removing on plate ontology 1.
Certain plate ontology 1 is not limited to the structure spliced using a main screen 11 and two vice screens 12, and connecting method uses m
The form of a main screen 11 and the splicing of n vice screen 12, wherein m and n is natural integer, and m >=1, n >=1.And connecting method
Being can be to be a variety of, and if main screen 11 is in centre, two vice screens 12 are located at main screen 11 in the left and right sides or two vice screens 12 respectively
The same side.
In a preferred embodiment of the utility model, slide block assembly is arranged adjacent to the edge of plate ontology 1.It will slide
Block easily facilitates hardware installation case 2 and takes out and be inserted into, reduce maintenance difficulty adjacent to the edge of plate ontology 1.
Plate ontology 1 has top side, the bottom side opposite with top side and is connected to top side and bottom
Connection side between side, slide block assembly is adjacent to connection side.
The sliding trace of hardware installation case 2 can be horizontally disposed with, and can also be vertically arranged, can also be along horizontal by a clamp
The direction at angle is arranged.The sliding trace of hardware installation case 2 is preferably horizontally disposed, in this way after hardware installation case 2 is inserted in place,
No longer needing to be arranged additional fixed structure also can make hardware installation case 2 be fixed on the second face, convenient for operation.
In another preferred embodiment of the utility model, slide block assembly includes two and is arranged in parallel and at interval cunning
Rail 6, along its length through sliding slot is offered on sliding rail 6, the opening of two sliding slots is opposite;Hardware installation case 2 it is opposite two
End is inserted respectively into two sliding slots.Hardware installation case 2 directly cooperates with sliding slot, not only may be implemented to slide, can also reduce
The use of part reduces production cost.
In order to keep the sliding of hardware installation case 2 more smooth, several lead is set between hardware installation case 2 and the slot bottom of sliding slot
To wheel 7, directive wheel 7 is connected in sliding slot or on hardware installation case 2 by shaft.
In the present embodiment, one of vice screen 12 being corresponded on the second face and being provided with support plate 5, support plate 5 is far from second
The one side in face is concordant with the jamb surface of plate ontology 1, and support plate 5 is detachably connected by screw and frame, and utilizes double
Face glue is Nian Jie with the second face.Parallel along the vertical direction and two sliding rails 6 of interval setting, the sliding slot of each sliding slot in support plate 5
Head end is provided with the limit plate for preventing hardware installation case 2 from skidding off adjacent to the connection side of plate ontology 1, sliding slot end.
In other embodiments, sliding block can also be additionally set and sliding slot cooperates, specifically, slide block assembly includes sliding rail 6
And sliding block, sliding slot is opened up along its length on sliding rail 6, and sliding block is in sliding fit with the sliding chute, one in both sliding rail 6 and sliding block
It is fixed on the second face, another in both sliding rail 6 and sliding block is fixed on hardware installation case 2.
Hardware installation case 2 is arranged in close to the side in the second face in sliding block, and the sliding slot on sliding rail 6 is dovetail groove, sliding block
Structure and the structure of sliding slot match.
In another preferred embodiment of the utility model, it is provided on hardware installation case 2 convenient for dragging hardware peace
The handle of vanning 2, handle are fixed on hardware installation case 2 perpendicular on the side in the second face.
In other embodiments, convex is equipped with flange 27 on hardware installation case 2, when hardware installation case 2 is located at working position
When setting, flange 27 is connected on the outside of the sliding slot head end of sliding slot.
In another preferred embodiment of the utility model, hardware installation case 2 includes equipped with the shell 21 being open, sets
One of shell 21 far from the second face is arranged in the capping 22 of the hardware being placed in shell 21 and selective shut-off opening, capping 22
Side.
Shell 21 is formed using the welding of sheet metal parts, and structure is rectangular box structure, and connecting line access is provided on shell 21
Mouthful, shell 21 is mainly used for mounting hardware, is in sliding fit with the sliding chute and fixes capping 22, and capping 22 is also made of sheet metal component,
It can be directly connected to using bolt with shell 21, can also be connect with the structure that hinge cooperates with shell 21 using bolt, real
The structure that now capping 22 can be overturn relative to shell 21.Hardware is mainly electronics board, such as power panel 23, mainboard 24, WIFI
Module 25, touch pinboard 26 etc..All hardware is integrated in a shell 21 using hardware installation case 2, may be implemented to collect
Cheng Hua convenient for cabling, reduces other support metal plate brackets, reduces cost.
In another preferred embodiment of the utility model, plate ontology 1 is connect by overturning component with mounting surface, can
It is overturn relative to mounting surface.It, can be in wisdom blackboard integral installation in mounting surface by setting plate ontology 1 to structure may be reversed
When on (such as metope), if wisdom blackboard breaks down, it is only necessary to plate ontology 1 flip an angle, then by the hard of the second face
Part installs case 2 be drawn out to plate ontology 1 outside can to the hardware in hardware installation case 2 carry out inspection and maintenance, do not need by
Wisdom blackboard integral demounting, reduces maintenance difficulty, improves maintenance speed.
In the present embodiment, overturning component includes the wall hanging beam 3 being fixed on mounting surface and cooperates with the mounting of wall hanging beam 3
Hook 4, hook 4 are fixed on plate ontology 1, and hook 4 can be rotated relative to wall hanging beam 3.
The top of plate ontology 1 is spaced the multiple hooks 4 of setting along its length, and the length of wall hanging beam 3 is prolonged in the horizontal direction
It stretches, the multiple wall hanging positions with 4 cooperation of hook of interval setting on wall hanging beam 3, it is cylindrical that each wall hanging position is provided with section
Wall hanging bar.Hook 4 is arranged in the top of plate ontology 1, so that the bottom of plate ontology 1 is in free state, plate ontology 1 can be by
Down toward upper overturning, make the rotary movement of plate ontology 1 more safe and laborsaving in this way.
The reverses direction of plate ontology 1 is not limited to overturn from the bottom to top, can also from top to bottom overturn, from left to right overturning or
Person overturns from right to left, it is only necessary to change position of the overturning component on plate ontology 1.When plate ontology 1 is from top to bottom overturn
When, in order to increase the safety in switching process, connecting rod can be set between plate ontology 1 and mounting surface, and connecting rod is can
Stretching structure, can be with the overturning angle between limiting plate ontology 1 and mounting surface.And when plate ontology 1 from left to right or by it is right extremely
When left overturning, auxiliary support assemblies can be set in opposite one end that plate ontology 1 is equipped with overturning component, auxiliary support assemblies can
It is connect with metope, when needing to overturn, auxiliary support assemblies and plate ontology 1 are detached from, and when needing fixed plate ontology 1, will be assisted
Support component is connect with plate ontology 1, the fixation of stiffening plate ontology 1, reduces the pressure of 1 pair of plate ontology overturning component.
In other embodiments, plate ontology 1 can also be connect by wall hanging board with foot prop, i.e., plate ontology 1 is not turnover
Structure, hardware installation case 2 are slidable structure.
In assembly, first by installations such as each hardware such as power panel 23, mainboard 24, WIFI module 25, touch pinboard 26
Into the shell 21 of hardware installation case 2, capping 22 is fixed, completes the installation of hardware installation case 2;Support plate 5 is installed to again
It in one of vice screen 12 of the plate ontology 1 of wisdom blackboard, then will be installed in support plate 5 equipped with the sliding rail 6 of directive wheel 7, most
Hardware installation case 2 is inserted into afterwards in the sliding slot of sliding rail 6.
When wisdom blackboard needs repairing, the flange 27 on hardware installation case 2 is pulled, hardware installation case 2 is completely disengaged
Sliding slot removes connecting line, hardware installation case 2 can be removed, and hardware installation case 2 is repaired or debugged, such as the institute of Fig. 2 and 5
Show.
In the description of this article, it is to be understood that the orientation or positional relationships such as term " on " are based on the figure
Orientation or positional relationship is merely for convenience of description and simplification operation, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of this specification, the description of reference term " embodiment " etc. means the specific spy in conjunction with the embodiment
Sign, structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, right
The schematic representation of above-mentioned term is not necessarily referring to identical embodiment.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification be only be to understand device, those skilled in the art should
It considers the specification as a whole, the technical solutions in the embodiments can also be appropriately combined, and forming those skilled in the art can
With the other embodiments of understanding.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (10)
1. a kind of wisdom blackboard, including plate ontology, the plate ontology have oriented manipulation person the first face and with first face
Hardware installation case is arranged in the second opposite face, second face, which is characterized in that the hardware installation case by slide block assembly with
Second face is slidably connected, the inspection for having the operating position being hidden in second face and sliding out to the plate body exterior
Repair position.
2. wisdom blackboard according to claim 1, which is characterized in that the slide block assembly is adjacent to the side of the plate ontology
Edge setting.
3. wisdom blackboard according to claim 1, which is characterized in that the slide block assembly includes that two parallel and interval is set
The sliding rail set, along its length through sliding slot is offered on the sliding rail, the opening of two sliding slots is opposite;The hardware
The opposite both ends of installs case are inserted respectively into two sliding slots.
4. wisdom blackboard according to claim 3, which is characterized in that the slot bottom of the hardware installation case and the sliding slot it
Between several directive wheels are set, the directive wheel is connected in the sliding slot or on the hardware installation case by shaft.
5. wisdom blackboard according to claim 3, which is characterized in that the sliding slot has to be inserted into for the hardware installation case
Sliding slot head end and the sliding slot end opposite with the sliding slot head end, the sliding slot end, which is provided with, prevents the hardware installation case
The limit plate skidded off.
6. wisdom blackboard according to claim 1, which is characterized in that the slide block assembly includes sliding rail and sliding block, described
Sliding slot is opened up on sliding rail along its length, the sliding block is slidably matched with the sliding slot, both the sliding rail and the sliding block
In one be fixed on second face, another in both the sliding rail and the sliding block is fixed on the hardware installation case
On.
7. wisdom blackboard according to any one of claims 1 to 6, which is characterized in that be provided on the hardware installation case
Convenient for dragging the handle of the hardware installation case, the handle is fixed on the hardware installation case perpendicular to the side in second face
On face.
8. wisdom blackboard according to any one of claims 1 to 6, which is characterized in that the plate ontology passes through overturning component
It connect, can be overturn relative to the mounting surface with mounting surface.
9. wisdom blackboard according to claim 8, which is characterized in that the overturning component includes being fixed on the mounting surface
On wall hanging beam and hook with wall hanging beam mounting cooperation, the hook is fixed on the plate ontology, and the hook can
It is rotated relative to the wall hanging beam.
10. wisdom blackboard according to claim 9, which is characterized in that the top of the plate ontology along its length between
Every multiple hooks are arranged, the length of the wall hanging beam is horizontally extending, and interval setting is multiple on the wall hanging beam
With the wall hanging position of the hook cooperation, each wall hanging position is provided with section wall hanging bar cylindrical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820978115.1U CN208602164U (en) | 2018-06-22 | 2018-06-22 | Intelligent blackboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820978115.1U CN208602164U (en) | 2018-06-22 | 2018-06-22 | Intelligent blackboard |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208602164U true CN208602164U (en) | 2019-03-15 |
Family
ID=65665758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820978115.1U Active CN208602164U (en) | 2018-06-22 | 2018-06-22 | Intelligent blackboard |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208602164U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111636881A (en) * | 2020-05-22 | 2020-09-08 | 湖北工业大学 | Shield tail clearance monitoring device |
-
2018
- 2018-06-22 CN CN201820978115.1U patent/CN208602164U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111636881A (en) * | 2020-05-22 | 2020-09-08 | 湖北工业大学 | Shield tail clearance monitoring device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202774955U (en) | Multifunctional platform provided with automatic lifting snapshot instrument | |
CN201576411U (en) | Box body and led display module | |
CN206532478U (en) | Accounting Course teaching aid | |
CN202674777U (en) | Preceding-maintenance-type liquid crystal video wall splicing device | |
CN208602164U (en) | Intelligent blackboard | |
CN208689482U (en) | A kind of student's tablet computer of sliding cover type double-sided screen | |
CN108304098A (en) | A kind of module plug-in type electronic blackboard | |
CN102208154A (en) | Display with detachable frame | |
CN106659005B (en) | Cabinet, LED display and LED mosaic screen | |
CN208705847U (en) | A kind of module plug-in type electronic blackboard | |
CN208646421U (en) | Intelligent blackboard | |
CN110750133A (en) | Hidden server front window liquid crystal display mounting structure | |
CN209859313U (en) | Intelligent blackboard with protection mechanism multimedia box | |
CN209199550U (en) | A kind of Multifunction indication board of sci-tech consultation | |
CN1317926C (en) | Inserted hanging door type cabinet | |
CN2821674Y (en) | BTX casing structure | |
CN209267462U (en) | A kind of tangible formula liquid crystal display of energy storage inverter | |
CN207037539U (en) | A kind of take-up of three screens notebook and three screen notebooks | |
CN208646429U (en) | Plate fixing structure and intelligent blackboard comprising same | |
CN207946738U (en) | A kind of Portable hand computer cabinet | |
CN103646616B (en) | Maintained LED display screen before a kind of | |
CN208664703U (en) | Concatenation intelligence writing device | |
CN216635963U (en) | A wisdom blackboard for wisdom teaching | |
CN205249670U (en) | Self -service machine of starting and stopping mechanism improved generation | |
CN209357273U (en) | A kind of Driving Test smart machine cabinet for being easy to overhaul |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |