CN109493646A - A kind of remote control type displaying master station - Google Patents
A kind of remote control type displaying master station Download PDFInfo
- Publication number
- CN109493646A CN109493646A CN201811588030.3A CN201811588030A CN109493646A CN 109493646 A CN109493646 A CN 109493646A CN 201811588030 A CN201811588030 A CN 201811588030A CN 109493646 A CN109493646 A CN 109493646A
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- gear
- fixedly connected
- bull stick
- master station
- remote control
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- 244000309464 bull Species 0.000 claims abstract description 43
- 238000013016 damping Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010016322 Feeling abnormal Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a kind of remote control types to show master station, including support plate, the quantity of the support plate is two, cabinet body is fixedly connected at the top of the support plate, the two sides of the cabinet body intracavity bottom are fixedly connected to support base, the first bull stick, the second bull stick, third bull stick and the 4th bull stick are connected with by bearing between two support bases, the two sides on first bull stick surface are arranged with first gear, and the two sides on second bull stick surface are arranged with second gear.The present invention is used cooperatively by IR remote controller, infrared remote receiver, single machine piece, driver and electric telescopic rod, remote control cannot be used by solving traditional displaying master station, the problem of person of being not convenient to use at a distance controls displaying master station, the displaying master station, has the advantages that remote control, user is enabled to master station operation is shown, to provide convenience to user at a distance, improve the practicability for showing master station.
Description
Technical field
The present invention relates to master station technical field, specially a kind of remote control type shows master station.
Background technique
Show stand is also known as article showing platform, when it is connected in projector and television set, so that it may by data, handout,
Material object, lantern slide etc. are clearly shown, and are indispensable one of the teaching equipment of multi-media classroom, a common video
Show stand includes three parts: camera, light source and table top, at the show stand back side there are also a series of interfaces, and it is some towards height
The show stand for holding market further includes the attachmentes such as infrared remote controller, computer picture capture adapter, LCD monitor, video exhibition
Show that platform can be applied in each course teaching: literal arts class can impart knowledge to students numerous resources materials to use the various books space of a whole page, directly
It is placed in show stand table top, passes through the application of light, the adjustment of enlarging function, so that it may clearly be shown, chemistry, physics subject
Some experiments can be directly carried out on show stand, allow each student's clear view, and biology, medicine subject can pass through show stand
Camera lens with the image for being used to observe amplification in kind, then with multimedia projector, large screen back projection TV, general television set, liquid
The outputs such as brilliant monitor, video recorder, VCD, DVD player, microphone, input equipment match, and video showing platform is taught in information technology
There is wider purposes in.
Show that master station belongs to one kind of show stand, however traditional displaying master station cannot use remote control, be not easy to
User to master station control is shown, increases trouble to user, reduces the practicability for showing master station at a distance.
Summary of the invention
The purpose of the present invention is to provide a kind of remote control types to show master station, has the advantages that remote control, solves biography
The problem of displaying master station of system cannot use remote control, and the person of being not convenient to use at a distance controls displaying master station.
To achieve the above object, the invention provides the following technical scheme: a kind of remote control type shows master station, including support
Plate, the quantity of the support plate are two, are fixedly connected with cabinet body at the top of the support plate, the two of the cabinet body intracavity bottom
Side is fixedly connected to support base, is connected with the first bull stick, the second bull stick, third by bearing between two support bases
Bull stick and the 4th bull stick.
The two sides on first bull stick surface are arranged with first gear, and the two sides on second bull stick surface are arranged with
Second gear, the two sides on third bull stick surface are arranged with third gear, and the two sides on the 4th bull stick surface are arranged
There is the 4th gear, display screen mounting base is provided at the top of the support base, is fixedly connected at the top of the display screen mounting base
There is display screen, the two sides of the display screen mounting base lower front are fixedly connected to the first arc tooth plate, the display screen peace
The two sides of dress seat bottom rear are fixedly connected to the second arc tooth plate, the third gear and the 4th gear with the first arc
Tooth plate engagement, the first gear and second gear are engaged with the second arc tooth plate, and the front side of the cabinet body intracavity bottom is solid
Surely it is connected with chain rolling-up mechanism, link block, the chain winding are fixedly connected on front side of display screen mounting base bottom
It is provided with chain between mechanism and link block, the surface of second bull stick and the 4th bull stick is arranged with driving gear, described
The bottom of cabinet body is fixedly connected with electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with pushing block, the pushing block
Top be through to the inner cavity of cabinet body and be fixedly connected with push plate, the bottom of the cabinet body offers activity compatible with pushing block
Slot, the front surface and back surface of the push plate are fixedly connected to tooth plate, and the tooth plate is engaged with driving gear.
The cabinet body includes IR remote controller, and the output end of IR remote controller is electrically connected with infrared remote receiver, infrared to connect
The output end for receiving device is electrically connected with single-chip microcontroller, and the output end of single-chip microcontroller is electrically connected with driver, the output end of driver with
Electric telescopic rod is electrically connected.
Preferably, the two sides of the support base intracavity bottom are fixedly connected to damping, the top of the damping
Portion is fixedly connected with cushion, and the top of the cushion is contacted with display screen.
Preferably, it is fixedly connected with connecting plate between two support plates, the connecting plate is adapted with support plate.
Preferably, the side of the support base offers string holes, and the quantity of the string holes is four.
Preferably, the bottom of the tooth plate is fixedly connected with sliding block, and the front side of the cabinet body intracavity bottom and rear side are opened
Equipped with sliding slot compatible with sliding block.
Preferably, the first gear and second gear are adapted with the second arc tooth plate, the third gear and
Four gears are adapted with the first arc tooth plate.
Preferably, the model SMC180 of the electric telescopic rod.
Preferably, the model YL77-IR0501 of the IR remote controller, the model 1838T of infrared remote receiver, monolithic
The model AT89S52 of machine, the model ULN2003 of driver.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention being used cooperatively by IR remote controller, infrared remote receiver, single machine piece, driver and electric telescopic rod solves
The problem of displaying master station for having determined traditional cannot use remote control, and the person of being not convenient to use at a distance controls displaying master station,
The displaying master station, has the advantages that remote control, enables to user at a distance to master station operation is shown, to use
Person provides convenience, and improves the practicability for showing master station.
2, the present invention being used cooperatively by damping and cushion, can to providing protection when display screen is withdrawn,
It avoids display screen and the case where hitting support base occurs, by the setting of connecting plate, two support plates can be limited, be improved
The stability of support plate can be regular to conductive track progress by the setting of string holes, improves and shows the regular of master station
Degree can limit tooth plate by being used cooperatively for sliding block and sliding slot, unstable feelings occur when avoiding tooth plate movement
Condition, by the setting of single-chip microcontroller, low energy consumption and performance is high for AT89S52 single-chip microcontroller, has programmable functions, facilitates the excellent of program
Change change.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the left view of part-structure of the present invention；
Fig. 3 is the left view sectional view of part-structure of the present invention；
Fig. 4 is present system schematic diagram.
In figure: 1, support plate；2, cabinet body；3, support base；4, the first bull stick；5, the second bull stick；6, third bull stick；7, the 4th
Bull stick；8, first gear；9, second gear；10, third gear；11, the 4th gear；12, display screen mounting base；13, display screen；
14, the first arc tooth plate；15, the second arc tooth plate；16, chain rolling-up mechanism；17, link block；18, chain；19, driving tooth
Wheel；20, electric telescopic rod；21, pushing block；22, push plate；23, loose slot；24, tooth plate；25, damping；26, cushion；27,
Connecting plate；28, string holes；29, sliding block；30, sliding slot.
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.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of remote control type displaying master station, including support plate 1,
The quantity of support plate 1 is two, and the top of support plate 1 is fixedly connected with cabinet body 2, and the two sides of 2 intracavity bottom of cabinet body are fixed to be connected
It is connected to support base 3, the first bull stick 4, the second bull stick 5, third bull stick 6 are connected with by bearing between two support bases 3
With the 4th bull stick 7.
The two sides on 4 surface of the first bull stick are arranged with first gear 8, and the two sides on 5 surface of the second bull stick are arranged with second
Gear 9, the two sides on 6 surface of third bull stick are arranged with third gear 10, and the two sides on 7 surface of the 4th bull stick are arranged with the 4th tooth
Wheel 11, the top of support base 3 is provided with display screen mounting base 12, and the top of display screen mounting base 12 is fixedly connected with display screen
13, the two sides of 12 lower front of display screen mounting base are fixedly connected to the first arc tooth plate 14,12 bottom of display screen mounting base
The two sides of rear side are fixedly connected to the second arc tooth plate 15, third gear 10 and the 4th gear 11 with the first arc tooth plate 14
Engagement, first gear 8 and second gear 9 are engaged with the second arc tooth plate 15, are fixedly connected on front side of 2 intracavity bottom of cabinet body
Chain rolling-up mechanism 16, is fixedly connected with link block 17 on front side of 12 bottom of display screen mounting base, chain rolling-up mechanism 16 and even
It connects and is provided with chain 18 between block 17, the surface of the second bull stick 5 and the 4th bull stick 7 is arranged with driving gear 19, the bottom of cabinet body 2
Portion is fixedly connected with electric telescopic rod 20, and the output end of electric telescopic rod 20 is fixedly connected with pushing block 21, and the top of pushing block 21 is passed through
It wears to the inner cavity of cabinet body 2 and is fixedly connected with push plate 22, the bottom of cabinet body 2 offers loose slot 23 compatible with pushing block 21,
The front surface and back surface of push plate 22 are fixedly connected to tooth plate 24, and tooth plate 24 is engaged with driving gear 19.
Cabinet body 2 includes IR remote controller, and the output end of IR remote controller is electrically connected with infrared remote receiver, infrared remote receiver
Output end be electrically connected with single-chip microcontroller, the output end of single-chip microcontroller is electrically connected with driver, the output end of driver with it is electronic
Telescopic rod 20 is electrically connected.
In the present invention: the two sides of 3 intracavity bottom of support base are fixedly connected to damping 25, the top of damping 25
It is fixedly connected with cushion 26, the top of cushion 26 is contacted with display screen 13, passes through matching for damping 25 and cushion 26
It closes and uses, protection can be provided to when display screen 13 is withdrawn, avoid display screen 13 and the case where hitting support base 3 occur.
In the present invention: being fixedly connected with connecting plate 27 between two support plates 1, connecting plate 27 is adapted with support plate 1, is led to
The setting of connecting plate 27 is crossed, two support plates 1 can be limited, improve the stability of support plate 1.
In the present invention: the side of support base 3 offers string holes 28, and the quantity of string holes 28 is four, passes through setting for string holes 28
It sets, can be regular to conductive track progress, improve the regularity for showing master station.
In the present invention: the bottom of tooth plate 24 is fixedly connected with sliding block 29, and the front side of 2 intracavity bottom of cabinet body and rear side open up
There is sliding slot 30 compatible with sliding block 29, by being used cooperatively for sliding block 29 and sliding slot 30, tooth plate 24 can be limited, be kept away
Exempt from unstable situation occur when tooth plate 24 moves.
In the present invention: first gear 8 and second gear 9 are adapted with the second arc tooth plate 15, third gear 10 and
Four gears 11 are adapted with the first arc tooth plate 14.
In the present invention: the model SMC180 of electric telescopic rod 20.
In the present invention: the model YL77-IR0501 of IR remote controller, the model 1838T of infrared remote receiver, single-chip microcontroller
Model AT89S52, the model ULN2003 of driver, by the setting of single-chip microcontroller, AT89S52 single-chip microcontroller low energy consumption and
And performance is high, has programmable functions, the optimization of program is facilitated to change.
Working principle: the present invention in use, user station emits signal with IR remote controller at a distance, receive by infrared remote receiver
To after infrared signal, open signal is exported after single-chip microcontroller decodes to driver, driver control opens electric telescopic rod 20,
The output end of electric telescopic rod 20 drives push plate 22 to drive movement by pushing block 21, and push plate 22 is moved with moving tooth plate 24, tooth plate 24
The second bull stick 5 and the 4th bull stick 7 is driven to rotate, the second bull stick 5 drives second gear 9 to rotate, and the 4th bull stick 7 drives the 4th gear
11 rotations, second gear 9 drive the movement of the second arc tooth plate 15, and the 4th gear 11 drives the first arc tooth plate 14 to rotate, and second
Arc tooth plate 15 is limited by first gear 8, and the first arc tooth plate 14 is limited by third gear 10, that is, be can reach and passed through display
Shield the purpose that mounting base 12 rises display screen 13, display screen mounting base 12 pulls chain 18 by link block 17, when needs will be shown
When display screen 13 is fallen, user station emits signal with IR remote controller at a distance, after infrared remote receiver receives infrared signal, passes through
For output open signal to driver, driver control closes electric telescopic rod 20 after single-chip microcontroller decoding, and electric telescopic rod 20 is shunk,
So that the decline of display screen mounting base 12 is withdrawn, chain 18 is withdrawn by chain rolling-up mechanism 16, display screen mounting base 12 drives
The decline of display screen 13 is withdrawn, that is, can reach the purpose of remote control.
In summary: the remote control type show master station, by IR remote controller, infrared remote receiver, single machine piece, driver and
Electric telescopic rod is used cooperatively, and remote control cannot be used by solving traditional displaying master station, and the person of being not convenient to use is remote
The problem of to master station control is shown, can be received by being used cooperatively for damping 25 and cushion 26 in display screen 13
Protection is provided when returning, display screen 13 is avoided and the case where hitting support base 3 occurs, it, can be to two by the setting of connecting plate 27
A support plate 1 limits, and improves the stability of support plate 1, and the setting of cable-through hole 28 can be regular to conductive track progress, mentions
The high regularity for showing master station can limit tooth plate 24, be avoided by being used cooperatively for sliding block 29 and sliding slot 30
Occur unstable situation when tooth plate 24 moves, by the setting of single-chip microcontroller, low energy consumption and performance is high for AT89S52 single-chip microcontroller,
With programmable functions, the optimization of program is facilitated to change.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of remote control type shows master station, including support plate (1), it is characterised in that: the quantity of the support plate (1) is two
It is a, it is fixedly connected with cabinet body (2) at the top of the support plate (1), the two sides of cabinet body (2) intracavity bottom are fixedly connected to
Support base (3) is connected with the first bull stick (4), the second bull stick (5), third by bearing between two support bases (3) and turns
Bar (6) and the 4th bull stick (7)；
The two sides on the first bull stick (4) surface are arranged with first gear (8), and the two sides on the second bull stick (5) surface are equal
It is arranged with second gear (9), the two sides on third bull stick (6) surface are arranged with third gear (10), the 4th bull stick
(7) two sides on surface are arranged with the 4th gear (11), are provided with display screen mounting base (12) at the top of the support base (3),
It is fixedly connected with display screen (13) at the top of the display screen mounting base (12), display screen mounting base (12) lower front
Two sides are fixedly connected to the first arc tooth plate (14), and the two sides of display screen mounting base (12) bottom rear are fixedly connected with
Have the second arc tooth plate (15), the third gear (10) and the 4th gear (11) are engaged with the first arc tooth plate (14), institute
It states first gear (8) and second gear (9) is engaged with the second arc tooth plate (15), the front side of cabinet body (2) intracavity bottom
It is fixedly connected with chain rolling-up mechanism (16), is fixedly connected with link block on front side of display screen mounting base (12) bottom
(17), it is provided with chain (18) between the chain rolling-up mechanism (16) and link block (17), second bull stick (5) and the 4th
The surface of bull stick (7) is arranged with driving gear (19), and the bottom of the cabinet body (2) is fixedly connected with electric telescopic rod (20),
The output end of the electric telescopic rod (20) is fixedly connected with pushing block (21), is through to cabinet body (2) at the top of the pushing block (21)
Inner cavity and be fixedly connected with push plate (22), the bottom of the cabinet body (2) offer with pushing block (21) compatible loose slot
(23), the front surface and back surface of the push plate (22) are fixedly connected to tooth plate (24), the tooth plate (24) and driving gear
(19) it engages；
The cabinet body (2) includes IR remote controller, and the output end of IR remote controller is electrically connected with infrared remote receiver, infrared receiver
The output end of device is electrically connected with single-chip microcontroller, and the output end of single-chip microcontroller is electrically connected with driver, the output end and electricity of driver
Dynamic telescopic rod (20) are electrically connected.
2. a kind of remote control type according to claim 1 shows master station, it is characterised in that: the interior bottom of chamber of the support base (3)
The two sides in portion are fixedly connected to damping (25), are fixedly connected with cushion (26) at the top of the damping (25),
The top of the cushion (26) is contacted with display screen (13).
3. a kind of remote control type according to claim 1 shows master station, it is characterised in that: solid between two support plates (1)
Surely it is connected with connecting plate (27), the connecting plate (27) is adapted with support plate (1).
4. a kind of remote control type according to claim 1 shows master station, it is characterised in that: the side of the support base (3)
It offers string holes (28), the quantity of the string holes (28) is four.
5. a kind of remote control type according to claim 1 shows master station, it is characterised in that: the bottom of the tooth plate (24) is solid
Surely it is connected with sliding block (29), the front side of cabinet body (2) intracavity bottom and rear side offer and sliding block (29) compatible cunning
Slot (30).
6. a kind of remote control type according to claim 1 shows master station, it is characterised in that: the first gear (8) and the
Two gears (9) are adapted with the second arc tooth plate (15), the third gear (10) and the 4th gear (11) with the first arc
Shape tooth plate (14) is adapted.
7. a kind of remote control type according to claim 1 shows master station, it is characterised in that: the electric telescopic rod (20)
Model SMC180.
8. a kind of remote control type according to claim 1 shows master station, it is characterised in that: the model of IR remote controller
YL77-IR0501, the model 1838T of infrared remote receiver, the model AT89S52 of single-chip microcontroller, the model of driver
ULN2003。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588030.3A CN109493646B (en) | 2018-12-25 | 2018-12-25 | Remote control type display main control desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588030.3A CN109493646B (en) | 2018-12-25 | 2018-12-25 | Remote control type display main control desk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109493646A true CN109493646A (en) | 2019-03-19 |
| CN109493646B CN109493646B (en) | 2024-05-14 |
Family
ID=65711845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811588030.3A Active CN109493646B (en) | 2018-12-25 | 2018-12-25 | Remote control type display main control desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109493646B (en) |
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| CN107123339A (en) * | 2017-06-21 | 2017-09-01 | 淄博职业学院 | A kind of English teaching wireless remote control Mobile Teaching frame |
| CN107146498A (en) * | 2017-06-26 | 2017-09-08 | 胡菊兰 | A kind of bioconversion medium sample exhibiting device |
| CN207473895U (en) * | 2017-08-01 | 2018-06-08 | 重庆工程职业技术学院 | A kind of teaching showing stand of adjustable angle |
| CN208002514U (en) * | 2017-11-08 | 2018-10-26 | 浙江晨峰电力成套设备有限公司 | A kind of digital product markets showing stand |
| CN208208128U (en) * | 2018-01-26 | 2018-12-07 | 闫月昫 | A kind of mathematical education movable stand |
| CN108185735A (en) * | 2018-02-27 | 2018-06-22 | 湖州畅宣通信科技有限公司 | A kind of desktop computer shows device |
| CN108577383A (en) * | 2018-05-08 | 2018-09-28 | 广西劢梦科技有限公司 | A kind of sale case of electronic product |
| CN108784162A (en) * | 2018-06-13 | 2018-11-13 | 袁静 | A kind of teaching show stand easy to remove |
| CN108903491A (en) * | 2018-06-19 | 2018-11-30 | 郑州搜趣信息技术有限公司 | A kind of information technology teaching displaying device |
| CN108843938A (en) * | 2018-07-02 | 2018-11-20 | 安徽泾县宏图信息科技有限公司 | A kind of information technology presentation device of automatic control |
| CN109043988A (en) * | 2018-09-19 | 2018-12-21 | 许昌涉步餐饮管理有限公司 | Show stand is used in a kind of daily necessities sale of adjustable usable floor area |
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