CN208901015U - A kind of device that multimedia teaching is mobile with adjustable projection screen - Google Patents
A kind of device that multimedia teaching is mobile with adjustable projection screen Download PDFInfo
- Publication number
- CN208901015U CN208901015U CN201821336857.0U CN201821336857U CN208901015U CN 208901015 U CN208901015 U CN 208901015U CN 201821336857 U CN201821336857 U CN 201821336857U CN 208901015 U CN208901015 U CN 208901015U
- Authority
- CN
- China
- Prior art keywords
- screen
- slot plate
- slot
- screw thread
- internal screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of multimedia teaching devices mobile with adjustable projection screen, including room wall, the first T-slot plate, long bolt, the first internal screw thread ring, folding and unfolding frame, screen, fixed block, the second internal screw thread ring, the second T-slot plate, blackboard, circular magnet, cube bar, stripe board, projector, placing frame, rectangular slot and micro-step motor.The utility model is structurally reasonable, screen and projector are realized simultaneously with the function of moving in the same direction at the same speed, it is needed convenient for teaching teacher according to teaching and ambient light radiation situation carries out effective position adjusting, it solves screen and blocks available blackboard surface and reflective situation, with to the function that screen bottom is fixed, avoids the indoor unexpected high wind through door and window from blowing and start screen and influence the case where teaching uses.
Description
Technical field
The utility model relates to a kind of mobile device of projection screen, the adjustable projection of specifically a kind of multimedia teaching
The mobile device of screen, belongs to multimedia teaching platform applied technical field.
Background technique
Multimedia teaching refers in teaching process, the characteristics of according to instructional objective and teaching object, by Instructional Design,
Reasonably select and use Modern Teaching Medium, and with Traditional teaching means organic assembling, participate in whole course of teaching, jointly with a variety of
Media information acts on student, forms reasonable teaching process structure, the teaching efficiency for being optimal.
In Multimedia Teaching, the screen of projector is mostly to be fixedly mounted on wall, and can block on wall
The blackboard part of the surface of installation, causes teacher's writing surface to become smaller, in the stronger situation of ambient, occur screen it is reflective influence its
His student viewing, once the high wind of indoor unexpected entrance of never closing the doors and windows will blow the screen for starting and lacking fixed bottom,
It will affect multimedia teaching.Therefore, a kind of dress that multimedia teaching is mobile with adjustable projection screen is proposed regarding to the issue above
It sets.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of multimedia teaching adjustable throwing
The mobile device of shadow screen.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of adjustable projection silver of multimedia teaching
The mobile device of curtain, including the first T-slot plate and folding and unfolding frame, the first T-slot plate is transversely mounted at the top of room wall, and room
Wall side wall is horizontally installed with the second T-slot plate, between the first T-slot board ends convex block and the second T-slot board ends convex block
Between be mounted on long bolt, long bolt on the second T-slot plate is threadedly coupled there are two the second internal screw thread ring, described the
Long bolt on one T-slot plate is threaded with a first internal screw thread ring, and two the second internal screw thread rings pass through corresponding T
Type sliding block is slidably connected with the T-type sliding slot on the second T-slot plate, the first internal screw thread ring annular surface bottom by connecting rod with
It is fixedly connected at the top of placing frame, folding and unfolding frame side is symmetrically installed that there are two fixed blocks, and two fixed blocks are pacified respectively
On corresponding second internal screw thread ring, it is rotatably equipped with spool in the folding and unfolding frame, and winding is equipped with screen on spool, institute
It states screen one end is unfolded and stripe board is installed, and stripe board side is symmetrically opened up there are two rectangular slot, in the rectangular slot
One end is rotatably equipped with cube bar one end, and is rotatably equipped with circular magnet in the groove of cube bar one end.
Preferably, described first T-slot plate one end convex block side and second T-slot plate one end convex block side are mounted on together
The micro-step motor of specification, and shaft one end of micro-step motor is mounted on corresponding long bolt one end.
Preferably, blackboard is installed on the room wall in the second T-slot board bottom portion, and it is identical that specification has been mounted in blackboard
Iron plate.
Preferably, the circular magnet is adsorbed on blackboard surface.
Preferably, it is slided and is connected by the T-type sliding slot on T-type sliding block and the first T-slot plate at the top of the first internal screw thread ring
It connects.
Preferably, projector is installed, and the dispensing port of projector is located at screen side in the placing frame.
The beneficial effects of the utility model are:
1. this kind of multimedia teaching is reasonable with the mobile apparatus structure of adjustable projection screen, screen and projector are realized
Simultaneously with the function of moving in the same direction at the same speed, is needed convenient for teaching teacher according to teaching and ambient light radiation situation carries out effectively
Position is adjusted, and is solved screen and is blocked available blackboard surface and reflective situation.
2. this kind of multimedia teaching is reasonable with the mobile apparatus structure of adjustable projection screen, have to screen bottom into
The fixed function of row avoids the indoor unexpected high wind through door and window from blowing and starts screen and influence the case where teaching uses.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model strip plate structure schematic diagram；
Fig. 3 is the second T-slot of the utility model plate structural schematic diagram.
In figure: 1, Fang Bi, the 2, first T-slot plate, 3, long bolt, the 4, first internal screw thread ring, 5, folding and unfolding frame, 6, screen, 7,
Fixed block, the 8, second internal screw thread ring, the 9, second T-slot plate, 10, blackboard, 11, circular magnet, 12, cube bar, 13, stripe board,
14, projector, 15, placing frame, 16, rectangular slot, 17, micro-step motor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-3, a kind of device that multimedia teaching is mobile with adjustable projection screen, including the first T-type
Frid 2 and folding and unfolding frame 5, the first T-slot plate 2 are transversely mounted on the top of room wall 1, and wall 1 side wall in room is horizontally installed with the
Two T-slot plates 9 are mounted on long spiral shell between 9 both ends convex block of the second T-slot plate between first T-slot plate, the 2 both ends convex block
Bar 3, the long bolt 3 on the second T-slot plate 9 are threadedly coupled there are two the second internal screw thread ring 8, on the first T-slot plate 2
Long bolt 3 be threaded with a first internal screw thread ring 4, two the second internal screw thread rings 8 by corresponding T-type sliding block with
T-type sliding slot on second T-slot plate 9 is slidably connected, and the 4 annular surface bottom of the first internal screw thread ring passes through connecting rod and placing frame
15 tops are fixedly connected, and 5 side of folding and unfolding frame is symmetrically installed there are two fixed block 7, and two fixed blocks 7 are installed respectively
On corresponding second internal screw thread ring 8, it is rotatably equipped with spool in the folding and unfolding frame 5, and winding is equipped with screen 6 on spool,
The screen 6 is unfolded one end and is equipped with stripe board 13, and 13 side of stripe board symmetrically opens up that there are two rectangular slot 16, the length
One end is rotatably equipped with 12 one end of cube bar in square groove 16, and is rotatably equipped with circular magnet in the groove of 12 one end of cube bar
11。
First T-slot plate, 2 one end convex block side and 9 one end convex block side of the second T-slot plate are mounted on same specification
Micro-step motor 17, and shaft one end of micro-step motor 17 is mounted on corresponding 3 one end of long bolt, passes through same luck
The micro-step motor 17 of capable same model drives the long bolt 3 of same specification to rotate, and reaches the on the first T-slot plate 2
The effect that the second internal screw thread ring 8 on one internal screw thread ring 4 and the second T-slot plate 9 moves in the same direction at the same speed simultaneously；Second T-type
Blackboard 10 is installed on the room wall 1 of 9 bottom of frid, and has been mounted on the identical iron plate of specification in blackboard 10, is conducive to round magnetic
Iron 11 is adsorbed on blackboard 10；The circular magnet 11 is adsorbed on 10 surface of blackboard, is adsorbed on blackboard by circular magnet 11
On 10, achieve the effect that fixed cube bar 12；By on T-type sliding block and the first T-slot plate 2 at the top of the first internal screw thread ring 4
T-type sliding slot be slidably connected, be conducive to the first internal screw thread ring 4 and be slidably connected with the first T-slot plate 2；Peace in the placing frame 15
Equipped with projector 14, and the dispensing port of projector 14 is located at 6 side of screen, is conducive to launch image in the screen 6 of expansion.
When the utility model is used, when teaching teacher needs the screen 6 before expansion lowering blackboard 10 to the left or to the right
When mobile, teaching teacher starts simultaneously is located at the micro-step motor 17 of the first T-slot plate 2 and on the second T-slot plate 9
Micro-step motor 17, and the specifications and models of two micro-step motors 17 are identical, while two micro-step motors 17 and outer
It connects power supply and built-in controller electrically connects, driven on the first T-slot plate 2 respectively by starting corresponding micro-step motor 17
Long bolt 3 and the second T-slot plate 9 on long bolt 3, since the long bolt 3 on the first T-slot plate 2 is threaded with one
First internal screw thread ring 4 and the first internal screw thread ring 4 are fixedly connected by strut with the placing frame 15 for being equipped with projector 14 and the
Long bolt 3 on two T-slot plates 9 is threadedly coupled there are two the second internal screw thread ring 8 and two the second internal screw thread rings 8 pass through it is corresponding
Fixed block 7 is fixedly connected with the same folding and unfolding frame 5, while by under the interaction of power, so that two the second internal screw thread rings 8
It is moved on corresponding long bolt 3 and a first internal screw thread ring 4 moves on corresponding long bolt 3, to drive expansion
The folding and unfolding frame 5 of screen 6 is installed and the placing frame 15 for being equipped with projector 14 is synchronized simultaneously mobile to side in the same direction, to realize
Screen 6 and projector 14 need convenient for teaching teacher according to teaching and ambient light simultaneously with the function of moving in the same direction at the same speed
Radiation situation carries out effective position adjusting, solves screen 6 and blocks available 10 face of blackboard and reflective situation, by that will be unfolded
Cube bar 12 in the stripe board 13 of 6 bottom of screen is unfolded, so that the circular magnet 11 of 12 one end of cube bar is adsorbed on internal peace
On 10 surface of blackboard equipped with iron plate, effect is fixed to 6 bottom of screen to reach, is avoided indoor surprisingly through door and window
High wind, which is blown, to be started screen 6 and influences the case where teaching uses.
42BYGHW609 micro-step motor that micro-step motor 17 is sold using monopolized store, Ao Song robot and
Its relevant mating power supply and circuit.
It is related to circuit and electronic component and module is the prior art, those skilled in the art may be implemented completely,
Without superfluous words, the content of the utility model protection is not related to the improvement for software and method yet.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by fall in claim containing with important document
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
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 description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of multimedia teaching device mobile with adjustable projection screen, including the first T-slot plate (2) and folding and unfolding frame
(5), it is characterised in that: the first T-slot plate (2) is transversely mounted at the top of room wall (1), and room wall (1) side wall is transversely mounted
There is the second T-slot plate (9), between the convex block of the first T-slot plate (2) both ends between second T-slot plate (9) both ends convex block
It being equipped with long bolt (3), the long bolt (3) on the second T-slot plate (9) is threadedly coupled there are two the second internal screw thread ring (8),
Long bolt (3) on the first T-slot plate (2) is threaded with a first internal screw thread ring (4), spiral shell in two described second
Line ring (8) is slidably connected by corresponding T-type sliding block with the T-type sliding slot on the second T-slot plate (9), the first internal screw thread ring
(4) annular surface bottom at the top of connecting rod and placing frame (15) by being fixedly connected；
Folding and unfolding frame (5) side is symmetrically installed there are two fixed block (7), and two fixed blocks (7) are separately mounted to pair
On the second internal screw thread ring (8) answered, it is rotatably equipped with spool in the folding and unfolding frame (5), and winding is equipped with screen on spool
(6), the screen (6) expansion one end is equipped with stripe board (13), and stripe board (13) side symmetrically opens up that there are two rectangles
Slot (16), the interior one end of the rectangular slot (16) are rotatably equipped with cube bar (12) one end, and the groove of cube bar (12) one end
Inside it is rotatably equipped with circular magnet (11).
2. a kind of multimedia teaching according to claim 1 device mobile with adjustable projection screen, it is characterised in that:
First T-slot plate (2) one end convex block side and second T-slot plate (9) one end convex block side are mounted on the micro- of same specification
Type stepper motor (17), and shaft one end of micro-step motor (17) is mounted on corresponding long bolt (3) one end.
3. a kind of multimedia teaching according to claim 1 device mobile with adjustable projection screen, it is characterised in that:
It is equipped with blackboard (10) on the room wall (1) of second T-slot plate (9) bottom, and it is identical to be mounted on specification in blackboard (10)
Iron plate.
4. a kind of multimedia teaching according to claim 1 device mobile with adjustable projection screen, it is characterised in that:
The circular magnet (11) is adsorbed on blackboard (10) surface.
5. a kind of multimedia teaching according to claim 1 device mobile with adjustable projection screen, it is characterised in that:
It is slidably connected at the top of the first internal screw thread ring (4) by T-type sliding block and the T-type sliding slot on the first T-slot plate (2).
6. a kind of multimedia teaching according to claim 1 device mobile with adjustable projection screen, it is characterised in that:
It is equipped with projector (14) in the placing frame (15), and the dispensing port of projector (14) is located at screen (6) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821336857.0U CN208901015U (en) | 2018-08-20 | 2018-08-20 | A kind of device that multimedia teaching is mobile with adjustable projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821336857.0U CN208901015U (en) | 2018-08-20 | 2018-08-20 | A kind of device that multimedia teaching is mobile with adjustable projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208901015U true CN208901015U (en) | 2019-05-24 |
Family
ID=66569697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821336857.0U Expired - Fee Related CN208901015U (en) | 2018-08-20 | 2018-08-20 | A kind of device that multimedia teaching is mobile with adjustable projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208901015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967913A (en) * | 2019-12-29 | 2020-04-07 | 盐城天锐先锋电子科技有限公司 | Prevent static projection curtain |
-
2018
- 2018-08-20 CN CN201821336857.0U patent/CN208901015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967913A (en) * | 2019-12-29 | 2020-04-07 | 盐城天锐先锋电子科技有限公司 | Prevent static projection curtain |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209560742U (en) | A kind of sin cos functions two-dimensional projection apparatus for demonstrating | |
| CN208041524U (en) | A kind of Digital Media teaching projection arrangement | |
| CN108535991A (en) | A kind of holographic projector | |
| CN208901015U (en) | A kind of device that multimedia teaching is mobile with adjustable projection screen | |
| CN209514892U (en) | A kind of movement declines class production and equipment of remotely giving lessons | |
| CN207995139U (en) | Concealed pick-up head structure and mobile phone | |
| CN110248065A (en) | The control method of camera module, mobile terminal and mobile terminal | |
| CN208973160U (en) | A kind of Art Design multimedium showing device | |
| CN208849879U (en) | Camera mechanism and mobile terminal | |
| CN207165023U (en) | A kind of teaching aid for financial mathematic teaching | |
| CN209591208U (en) | Financial teaching sand table support device | |
| CN209799206U (en) | Ultralow energy consumption building | |
| CN110748765B (en) | Dustproof height-adjustable's projecting apparatus | |
| CN209725771U (en) | A kind of image collecting device | |
| CN209357251U (en) | A kind of environment art design teaching demonstration device | |
| CN209012735U (en) | A kind of transparency LED display screen | |
| CN208781418U (en) | A kind of numerical medium art teaching displaying device | |
| CN207319682U (en) | A kind of intelligent follow-up screen system | |
| CN207794943U (en) | A kind of semi-automatic Rail Door | |
| CN216666963U (en) | Computer software teaching equipment | |
| CN209373827U (en) | A kind of instructional device of electronic information technology | |
| CN220273811U (en) | Remote sound equipment with remote control storage structure | |
| CN217982108U (en) | Sliding mechanism of lens decorative door of projector | |
| CN109493647A (en) | A kind of height and angle facilitate micro- class of adjusting to make and equipment of remotely giving lessons | |
| CN204440859U (en) | There is the advertising lamp box of mobile LED planar light source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |