CN109118840A - A kind of multi-functional communications engineering mobile teaching platform - Google Patents
A kind of multi-functional communications engineering mobile teaching platform Download PDFInfo
- Publication number
- CN109118840A CN109118840A CN201811020378.2A CN201811020378A CN109118840A CN 109118840 A CN109118840 A CN 109118840A CN 201811020378 A CN201811020378 A CN 201811020378A CN 109118840 A CN109118840 A CN 109118840A
- Authority
- CN
- China
- Prior art keywords
- shell
- fixed
- screw rod
- bottom end
- education
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
- B43L19/0018—Erasers, rubbers, or erasing devices; Holders therefor with fluids
Abstract
The invention discloses a kind of multi-functional communications engineering mobile teaching platforms, including platform body, the bottom end two sides of platform body are respectively and fixedly provided with riser, the bottom end two sides of riser are equipped with universal wheel, the first shell and second shell of rectangular box formula are respectively equipped on the side side wall that platform body is located remotely from each other, the internal slide of first shell is connected with the board of education being vertically arranged, it is fixed on the bottom end inner wall of first shell that there are two first motors, the output shaft of first motor is connected with the first screw rod being vertically arranged, and first screw rod be rotatably connected on the inside of first shell, the side side wall bottom end of board of education is fixed, and there are two fixed blocks, and fixed block is threaded in respectively on corresponding first screw rod.The configuration of the present invention is simple, design rationally, are skillfully constructed, occupy little space, and realize the mobile teaching in scene, and the projection arrangement and board of education being configured with convenient for storage are suitble to promote so that teaching efficiency is more preferably.
Description
Technical field
The present invention relates to communication engineering instructional technology field more particularly to a kind of multi-functional communications engineering Mobile Teaching are flat
Platform.
Background technique
With the improvement of living standards, attention of the education sector by people, present communication engineering profession is related to more
The courses such as electric circuit electronics technical experiment, experimental facilities often only just have in laboratory, therefore teacher is when carrying out experiment content teaching
It can select to impart knowledge to students under lab, be unfavorable for the efficiency of Experiment Course Teaching, and teaching platform has a single function, be unable to satisfy teaching
Demand, thus it is proposed that a kind of multi-functional communications engineering mobile teaching platform.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of multi-functional communications engineering proposed
Mobile teaching platform.
To achieve the goals above, present invention employs following technical solutions:
A kind of multi-functional communications engineering mobile teaching platform, including platform body, the bottom end two sides of platform body are fixed
There is riser, the bottom end two sides of riser are equipped with universal wheel, are respectively equipped with rectangular box on the side side wall that platform body is located remotely from each other
The first shell and second shell of body formula, the internal slide of first shell are connected with the board of education being vertically arranged, first shell
Fixed there are two first motor on the inner wall of bottom end, the output shaft of first motor is connected with the first screw rod being vertically arranged, and first
Screw rod is rotatably connected on the inside of first shell, and the side side wall bottom end of board of education is fixed, and there are two fixed blocks, and fixed block divides
It is not threaded on corresponding first screw rod, top cover is hinged at the top of the second shell, the bottom end of second shell is fixed
There is the second motor, the output shaft of the second motor is connected with the second screw rod being vertically arranged, and one end of the second screw rod extends into second
The inside of shell, the internal slide of second shell is connected with horizontally disposed movable plate, and movable plate is slidably connected at second shell
The inside of body, the top of movable plate are connected with the connecting rod being vertically arranged, and the other end of connecting rod is fixed with horizontally disposed
One mounting plate, the top of the first mounting plate offer mounting groove, and the inside of mounting groove is equipped with projector, the side of the first mounting plate
Third screw rod is rotatably connected on side wall, the internal slide of mounting groove is connected with L-shaped clamping plate, and one end rotation of third screw rod
It is connected on the side side wall of clamping plate.
Preferably, the board of education includes projection plate and clipboard, projector face projection plate, the top one of first shell
Slideslip is connected with the second mounting plate, and the second mounting plate opens up fluted, sliding in groove on the side side wall of clipboard
Be connected with cleaning brush, and cleaning brush is slidably connected with clipboard, the top of the second mounting plate offer a row it is equally distributed into
The mouth of a river, and water inlet is connected to groove, it is fixed there are two fixed link on cleaning brush, open up that there are two first in the inner bottom wall of groove
Through-hole, fixed link are slidably connected in through-hole, and there are two fastening bolts for the top threaded connection of the second mounting plate, and fasten spiral shell
One end of bolt is contacted with corresponding fixed link respectively.
Preferably, the top of the first shell is opened up there are two " T " shaped first sliding groove, in the inner bottom wall of first sliding groove
It opens up there are two limit hole, the bottom end two sides of the second mounting plate are respectively and fixedly provided with the first sliding block, and the first sliding block is slidably connected at
In first sliding groove, the top of the first sliding block is provided with spacer pin, and a part of spacer pin be slidably connected at respectively it is corresponding
In one limit hole.
Preferably, there are two " T " shaped second sliding blocks for the bottom end fixation of the clamping plate, and the top side of the first mounting plate is opened
If there are two second sliding slots, and the second sliding block is slidably connected at respectively in corresponding second sliding slot.
Preferably, the top of second mounting plate is opened up there are two vertical threaded hole, threaded hole respectively with it is corresponding
First through hole connection, and fastening bolt is threaded in respectively in corresponding threaded hole.
Preferably, the top of the first shell offers rectangular aperture, and board of education is slidably connected in rectangular aperture.
It is in the present invention the utility model has the advantages that
1, the present invention passes through riser, fixed block, universal wheel, first motor, first shell, the first screw rod, board of education, writing
Plate, projection plate, teaching platform ontology, projector, top cover, clamping plate, the first mounting plate, second shell, the second motor, movable plate,
The setting of second screw rod and third screw rod realizes mobile teaching, especially suitable for machine so that the teaching platform is easy to remove
On-the-spot teaching when running, and it is configured with projection arrangement, so that teaching efficiency is more preferably, while will impart knowledge to students when not in use in device
Plate and projector are packed up, and space is on the one hand not take up, and on the other hand can prevent board of education and projection surface from falling ash, and function is more
Sample, practicability are very strong.
2, setting by water inlet, fastening bolt, fixed link, spacer pin, the first sliding block, the second mounting plate and cleaning brush
Set, so that can clean by cleaning brush to clipboard, without manually being cleared up, save manpower, and can by into
Cleaning solution or clear water, which is added, in the mouth of a river soaks cleaning brush, improves cleaning effect, while cleaning brush is easy to disassemble, is convenient for changing clear
It washes.
The configuration of the present invention is simple, design rationally, are skillfully constructed, occupy little space, and realize the mobile teaching in scene, and mating
There are the projection arrangement and board of education convenient for storage, so that teaching efficiency is more preferably, is suitble to promote.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multi-functional communications engineering mobile teaching platform proposed by the present invention；
Fig. 2 is enlarged drawing at a kind of A of multi-functional communications engineering mobile teaching platform proposed by the present invention；
Fig. 3 is that a kind of expansion of multi-functional communications engineering mobile teaching platform proposed by the present invention uses schematic diagram；
Fig. 4 is a kind of top cross-sectional view of multi-functional communications engineering mobile teaching platform proposed by the present invention.
In figure: 1 riser, 2 fixed blocks, 3 universal wheels, 4 first motors, 5 first shells, 6 first screw rods, 7 boards of education, 71 books
Write plate, 71 projection plates, 8 teaching platform ontologies, 9 projectors, 10 top covers, 11 clamping plates, 12 first mounting plates, 13 second shells, 14
Second motor, 15 movable plates, 16 second screw rods, 17 water inlets, 18 fastening bolts, 19 fixed links, 20 spacer pins, 21 first are slided
Block, 22 second mounting plates, 23 cleaning brush, 24 third screw rods.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of multi-functional communications engineering mobile teaching platform, including platform body 8, the bottom of platform body 8
End two sides are respectively and fixedly provided with riser 1, and the bottom end two sides of riser 1 are equipped with universal wheel 3, the side side wall that platform body 8 is located remotely from each other
On be respectively equipped with the first shell 5 and second shell 13 of rectangular box formula, the internal slide of first shell 5, which is connected with, to be vertically arranged
Board of education 7, fixed on the bottom end inner wall of first shell 5 there are two first motors 4, and the output shaft of first motor 4 is connected with perpendicular
The first screw rod 6 being directly arranged, and the first screw rod 6 is rotatably connected on the inside of first shell 5, the side side wall bottom end of board of education 7
Fixed there are two fixed blocks 2, and fixed block 2 is threaded in respectively on corresponding first screw rod 6, the top hinge of second shell 13
It is connected to top cover 10, the bottom end of second shell 13 is fixed with the second motor 14, and the output shaft of the second motor 14, which is connected with, to be vertically arranged
The second screw rod 16, one end of the second screw rod 16 extends into the inside of second shell 13, the internal slide connection of second shell 13
There is horizontally disposed movable plate 15, and movable plate 15 is slidably connected at the inside of second shell 13, the top connection of movable plate 15
There is the connecting rod being vertically arranged, the other end of connecting rod is fixed with horizontally disposed first mounting plate 12, the first mounting plate 12
Top offers mounting groove, and the inside of mounting groove is equipped with projector 9, and the is rotatably connected on the side side wall of the first mounting plate 12
Three screw rods 24, the internal slide of mounting groove is connected with L-shaped clamping plate 11, and one end of third screw rod 24 is rotatably connected on clamping plate 11
Side side wall on, board of education 7 include projection plate 72 and clipboard 71,9 face projection plate 72 of projector, the top of first shell 5
End side slidably connects the second mounting plate 22, the second mounting plate 22 opened up on the side side wall of clipboard 71 it is fluted,
Cleaning brush 23 is slidably connected in groove, and cleaning brush 23 is slidably connected with clipboard 71, the top of the second mounting plate 22 opens up
There is the equally distributed water inlet 17 of a row, and water inlet 17 is connected to groove, fixed on cleaning brush 23 there are two fixed links 19, recessed
It is opened up in the inner bottom wall of slot there are two first through hole, fixed link 19 is slidably connected in through-hole, the top of the second mounting plate 22
Fastening bolt 18 there are two being threadedly coupled, and one end of fastening bolt 18 is contacted with corresponding fixed link 19 respectively, first shell 5
Top open up there are two " T " shaped first sliding groove, open up that there are two limit hole, the second installations in the inner bottom wall of first sliding groove
The bottom end two sides of plate 22 are respectively and fixedly provided with the first sliding block 21, and the first sliding block 21 is slidably connected in first sliding groove, the first sliding block 21
Top be provided with spacer pin 20, and a part of spacer pin 20 is slidably connected at respectively in a corresponding limit hole, folder
The bottom end of plate 11 is fixed there are two " T " shaped second sliding block, and the top side of the first mounting plate 12 is opened up there are two second sliding slot,
And second sliding block be slidably connected in corresponding second sliding slot respectively, the top of the second mounting plate 22 is opened up there are two vertical spiral shell
Pit, threaded hole is connected to corresponding first through hole respectively, and fastening bolt 18 is threaded in respectively in corresponding threaded hole,
The top of first shell 5 offers rectangular aperture, and board of education 7 is slidably connected in rectangular aperture.
Working principle: in the use of the present invention, the first screw rod 6 is driven by first motor 4 first, so that 2 band of fixed block
Dynamic board of education 7 is moved upward to designated position, while driving the second screw rod 16 by the second motor 14, and the second screw rod 16, which drives, lives
Movable plate 15 moves up, so that movable plate 15 drives the first mounting plate 12 to be moved upward to designated position by connecting rod, at this moment
9 face projection plate 71 of projector cooperates clipboard 71 to carry out writing explanation by projection teaching, and cooperates teaching platform mobile
Impart knowledge to students to different machines, teaching efficiency is good, the teaching platform when not in use, board of education 7 and projector 9 are received
It rises, anti-falling stop ash, and projector 9 is easily installed, projector 9 is placed on the top mounting groove of the first mounting plate 12 by when installation
It is interior, and make to push clamping plate 11 that projector 9 is fixed by rotation third screw rod 24, installation is completed, when 71 long-time of clipboard
It is cleaned after use, the second mounting plate 22 is pushed to designated position when cleaning, passes through the limit on the first sliding block 21
Pin 20 is limited, and clear water is added by water inlet 17 or cleaning solution passes through the cleaning brush of wetting when clipboard 71 is packed up
The surface of 23 pairs of clipboards 71 is cleared up, and manpower, and the cleaning easy to disassemble of cleaning brush 23, very convenient, this hair are saved
Bright structure is simple, and design rationally, is skillfully constructed, occupies little space, and realizes the mobile teaching in scene, and be configured with convenient for storage
Projection arrangement and board of education 7 are suitble to promote so that teaching efficiency is more preferably.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of multi-functional communications engineering mobile teaching platform, including platform body (8), which is characterized in that the platform body
(8) bottom end two sides are respectively and fixedly provided with riser (1), and the bottom end two sides of riser (1) are equipped with universal wheel (3), and platform body (8) is mutual
Be respectively equipped with the first shell (5) and second shell (13) of rectangular box formula on separate side side wall, first shell (5) it is interior
Portion slidably connects the board of education (7) being vertically arranged, and is fixed on the bottom end inner wall of first shell (5) there are two first motor (4),
The output shaft of first motor (4) is connected with the first screw rod (6) being vertically arranged, and the first screw rod (6) is rotatably connected on first shell
The inside of body (5), the side side wall bottom end of board of education (7) is fixed, and there are two fixed block (2), and screw thread connects fixed block (2) respectively
It connects on corresponding first screw rod (6), is hinged with top cover (10) at the top of the second shell (13), the bottom of second shell (13)
End is fixed with the second motor (14), and the output shaft of the second motor (14) is connected with the second screw rod (16) being vertically arranged, the second spiral shell
One end of bar (16) extends into the inside of second shell (13), and the internal slide of second shell (13) is connected with horizontally disposed work
Movable plate (15), and movable plate (15) is slidably connected at the inside of second shell (13), the top of movable plate (15) is connected with vertically
The connecting rod of setting, the other end of connecting rod are fixed with horizontally disposed first mounting plate (12), the top of the first mounting plate (12)
End offers mounting groove, and the inside of mounting groove is equipped with projector (9), is rotatably connected on the side side wall of the first mounting plate (12)
Third screw rod (24), the internal slide of mounting groove are connected with L-shaped clamping plate (11), and one end rotation connection of third screw rod (24)
On the side side wall of clamping plate (11).
2. a kind of multi-functional communications engineering mobile teaching platform according to claim 1, which is characterized in that the board of education
It (7) include projection plate (72) and clipboard (71), the top one of projector (9) face projection plate (72), first shell (5) is breakked away
It is dynamic to be connected with the second mounting plate (22), the second mounting plate (22) opened up on the side side wall of clipboard (71) it is fluted, it is recessed
It is slidably connected in slot cleaning brush (23), and cleaning brush (23) is slidably connected with clipboard (71), the top of the second mounting plate (22)
End offers the equally distributed water inlet of a row (17), and water inlet (17) is connected to groove, and cleaning brush is fixed with two on (23)
A fixed link (19) opens up in the inner bottom wall of groove there are two first through hole, and fixed link (19) is slidably connected in through-hole, the
The tops of two mounting plates (22) is threadedly coupled there are two fastening bolt (18), and one end of fastening bolt (18) respectively with it is corresponding
Fixed link (19) contact.
3. a kind of multi-functional communications engineering mobile teaching platform according to claim 2, which is characterized in that the first shell
The top of body (5) is opened up there are two " T " shaped first sliding groove, is opened up in the inner bottom wall of first sliding groove there are two limit hole, the
The bottom end two sides of two mounting plates (22) are respectively and fixedly provided with the first sliding block (21), and the first sliding block (21) is slidably connected at first sliding groove
Interior, the top of the first sliding block (21) is provided with spacer pin (20), and a part of spacer pin (20) is slidably connected at pair respectively
In the limit hole answered.
4. a kind of multi-functional communications engineering mobile teaching platform according to claim 1, which is characterized in that the clamping plate
(11) bottom end is fixed there are two " T " shaped second sliding block, and the top side of the first mounting plate (12) opens up sliding there are two second
Slot, and the second sliding block is slidably connected at respectively in corresponding second sliding slot.
5. a kind of multi-functional communications engineering mobile teaching platform according to claim 2, which is characterized in that second peace
The top of loading board (22) is opened up there are two vertical threaded hole, and threaded hole is connected to corresponding first through hole respectively, and fastens spiral shell
Bolt (18) is threaded in respectively in corresponding threaded hole.
6. a kind of multi-functional communications engineering mobile teaching platform according to claim 1, which is characterized in that the first shell
The top of body (5) offers rectangular aperture, and board of education (7) is slidably connected in rectangular aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020378.2A CN109118840A (en) | 2018-09-03 | 2018-09-03 | A kind of multi-functional communications engineering mobile teaching platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020378.2A CN109118840A (en) | 2018-09-03 | 2018-09-03 | A kind of multi-functional communications engineering mobile teaching platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109118840A true CN109118840A (en) | 2019-01-01 |
Family
ID=64860538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811020378.2A Pending CN109118840A (en) | 2018-09-03 | 2018-09-03 | A kind of multi-functional communications engineering mobile teaching platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109118840A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009937A (en) * | 2021-11-08 | 2022-02-08 | 武汉华信通网络技术有限公司 | Conference auxiliary device based on network technology |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201456755U (en) * | 2009-06-18 | 2010-05-12 | 华军 | Dustless automatic-lift blackboard machine |
| CN201506168U (en) * | 2009-09-27 | 2010-06-16 | 齐海清 | Dust-free blackboard eraser |
| CN202742918U (en) * | 2012-08-03 | 2013-02-20 | 张嘉荻 | Dual-purpose dustproof blackboard eraser device |
| SK50682012U1 (en) * | 2011-10-19 | 2013-04-03 | Gaisler Bohumil | Tabular sliding frame for a projection |
| CN104339951A (en) * | 2013-08-07 | 2015-02-11 | 郑州单点科技软件有限公司 | Blackboard eraser |
| CN204288546U (en) * | 2014-11-26 | 2015-04-22 | 崔蕾 | A kind of blackboard with digital terrain teaching demonstration function |
| CN106154911A (en) * | 2016-07-01 | 2016-11-23 | 芜湖宝瓶智能化服务外包有限公司 | A kind of integrated projection of conference table, acoustic source system |
| CN107191758A (en) * | 2017-06-09 | 2017-09-22 | 庄仁山 | A kind of liftable projecting apparatus rack |
| CN206848680U (en) * | 2017-02-10 | 2018-01-05 | 陕西学前师范学院 | A kind of ideological and political education training projection arrangement for being easy to regulation |
| CN207202476U (en) * | 2017-03-21 | 2018-04-10 | 郑州澍青医学高等专科学校 | A kind of college students'thought Political Teaching multimedia teaching servicing unit |
| CN108209151A (en) * | 2018-01-25 | 2018-06-29 | 周文瀚 | A kind of removable computer lectern for teaching and its application method |
| CN207725098U (en) * | 2017-08-30 | 2018-08-14 | 石旺君 | English teaching board |
-
2018
- 2018-09-03 CN CN201811020378.2A patent/CN109118840A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201456755U (en) * | 2009-06-18 | 2010-05-12 | 华军 | Dustless automatic-lift blackboard machine |
| CN201506168U (en) * | 2009-09-27 | 2010-06-16 | 齐海清 | Dust-free blackboard eraser |
| SK50682012U1 (en) * | 2011-10-19 | 2013-04-03 | Gaisler Bohumil | Tabular sliding frame for a projection |
| CN202742918U (en) * | 2012-08-03 | 2013-02-20 | 张嘉荻 | Dual-purpose dustproof blackboard eraser device |
| CN104339951A (en) * | 2013-08-07 | 2015-02-11 | 郑州单点科技软件有限公司 | Blackboard eraser |
| CN204288546U (en) * | 2014-11-26 | 2015-04-22 | 崔蕾 | A kind of blackboard with digital terrain teaching demonstration function |
| CN106154911A (en) * | 2016-07-01 | 2016-11-23 | 芜湖宝瓶智能化服务外包有限公司 | A kind of integrated projection of conference table, acoustic source system |
| CN206848680U (en) * | 2017-02-10 | 2018-01-05 | 陕西学前师范学院 | A kind of ideological and political education training projection arrangement for being easy to regulation |
| CN207202476U (en) * | 2017-03-21 | 2018-04-10 | 郑州澍青医学高等专科学校 | A kind of college students'thought Political Teaching multimedia teaching servicing unit |
| CN107191758A (en) * | 2017-06-09 | 2017-09-22 | 庄仁山 | A kind of liftable projecting apparatus rack |
| CN207725098U (en) * | 2017-08-30 | 2018-08-14 | 石旺君 | English teaching board |
| CN108209151A (en) * | 2018-01-25 | 2018-06-29 | 周文瀚 | A kind of removable computer lectern for teaching and its application method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009937A (en) * | 2021-11-08 | 2022-02-08 | 武汉华信通网络技术有限公司 | Conference auxiliary device based on network technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109118840A (en) | A kind of multi-functional communications engineering mobile teaching platform | |
| CN206864023U (en) | College English Teaching exhibiting device | |
| CN208530055U (en) | Administration of Public Affairs learns personality card film magazine | |
| CN205625155U (en) | Students special studys table with flexible function | |
| CN210234483U (en) | Higher education is with teaching display device | |
| CN208805974U (en) | A kind of self-assembly biosensor assay case | |
| CN209680154U (en) | Wisdom experimental bench with adjustable camera | |
| CN208228601U (en) | A kind of computer cabinet dust-extraction unit | |
| CN208868534U (en) | A kind of mobile power source storing unit | |
| CN206426899U (en) | A kind of domestic sedan car, which is read, facilitates platform | |
| CN207735042U (en) | A kind of experimental bench with fire-proof function for high school physics | |
| CN203044385U (en) | Dust cleaner of blackboard eraser | |
| CN210052326U (en) | Compound english talent language service ability simulation is real device of instructing | |
| CN208891921U (en) | A kind of taking care of books cabinet convenient for putting in order books | |
| CN210324610U (en) | Teaching device for packaging design | |
| CN211048707U (en) | Multimedia platform for foreign language teaching | |
| CN210836603U (en) | Electrician training teaching equipment | |
| CN208733864U (en) | A kind of plug-in type L-type wall attachment device | |
| CN208781418U (en) | A kind of numerical medium art teaching displaying device | |
| CN203832082U (en) | Multifunctional blackboard | |
| CN208062737U (en) | A kind of intelligent building wiring concentrator | |
| CN215954580U (en) | Chinese teaching device for interactive teaching | |
| CN215679843U (en) | Mechanical principle teaching aid based on assembly of connecting rod and ratchet pawl | |
| CN210075766U (en) | Classroom teaching quality assessment instrument | |
| CN211604484U (en) | Digital multifunctional analog electronic experimental device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190101 |
|
| RJ01 | Rejection of invention patent application after publication |