CN208922495U - A kind of micro- class recording projection writing device - Google Patents
A kind of micro- class recording projection writing device Download PDFInfo
- Publication number
- CN208922495U CN208922495U CN201820428860.9U CN201820428860U CN208922495U CN 208922495 U CN208922495 U CN 208922495U CN 201820428860 U CN201820428860 U CN 201820428860U CN 208922495 U CN208922495 U CN 208922495U
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- CN
- China
- Prior art keywords
- curtain
- framework
- clipboard
- writing
- micro
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of micro- class recording projection writing devices, it includes framework, projection screen and clipboard, the middle position of framework upper side is provided with curtain via hole, projection screen is located at the inside of framework, and the upper end of projection screen passes through curtain via hole and is connected to curtain control device, curtain control device left and right ends respectively connect a Gyro Wheel Controlling Device, the lower end connection of each Gyro Wheel Controlling Device is all connected with two electric rollers, clipboard is equipped with two pieces, and is respectively positioned on the front side inside framework.The beneficial effects of the utility model have: mainly comprising curtain and and clipboard, curtain is for showing computer interface, and clipboard is for writing writing on the blackboard, and the two, which combines, can reach effect of preferably giving lessons；The position of curtain and clipboard can lateral adjustments, curtain can be moved left and right by electric roller, and clipboard can slide in framework, and using flexible greatly improves；The slot that curtain passes through at the top of expanded letter enters framework central location, so that entire projection writing device good integrity, aesthetics are good.
Description
Technical field
The utility model relates to a kind of micro- class recording projection writing devices, belong to Web-based instruction technical field.
Background technique
Micro- class refers to information technology according to cognitive law, and fragmentation learning Content, process and extension material is presented
Structured digital resource.The core component content of micro- class is classroom instruction video (class example segment), while also including and the teaching
The complementary teaching such as the relevant Instructional Design of theme, material courseware, Reflective Teaching, practice test and Students ' Feedback, teacher's comment
Resource, they have built semi-structured, subject-type a resource unit with certain membership credentials and presentation mode jointly and have answered
Use subenvironment.Micro- class is mainly given lessons by multimedia equipment, and computer interface is projected to curtain by projection arrangement
On explained, but depend multimedia equipment alone during giving lessons and can not obtain good effect, need bound fraction writing on the blackboard, this
Sample can be only achieved effect of preferably giving lessons.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of micro- class recording projection writing device, the projection
Writing device mainly include curtain and and clipboard, curtain is for showing computer interface, and clipboard is for writing writing on the blackboard, the two
Preferably give lessons effect in conjunction with can reach, and the position of curtain and clipboard can lateral adjustments, using flexible greatly improves.
The utility model is realized by following proposal: a kind of micro- class recording projection writing device comprising framework, projection
Curtain and clipboard, the middle position of the framework upper side are provided with curtain via hole, and the projection screen is located at the framework
Inside, and the upper end of the projection screen passes through the curtain via hole and is connected to curtain control device, the curtain control device
For bar shaped, left and right ends respectively connect a Gyro Wheel Controlling Device, and the lower end connection of each Gyro Wheel Controlling Device is all connected with
Two electric rollers, the left and right ends of the upper side of the framework are respectively provided with two electric roller slots, the Gyro Wheel Controlling Device
It controls the electric roller to horizontally slip on the electric roller slot, and then drives the curtain control device and the throwing
Shadow curtain horizontally slips, and the clipboard is equipped with two pieces, and is respectively positioned on the front side inside the framework, the Gyro Wheel Controlling Device
External control device is each coupled electrically to the curtain control device.
The lower end of the framework upper side and the upper end of downside are provided with writing board slot, the upper end position of the clipboard
In in the writing board slot of the framework upper side, the lower end of the clipboard is located in the writing board slot of the framework downside.
The clipboard can horizontally slip in the writing board slot.
The length of two pieces of clipboards and less than the length for writing board slot.
The length of the curtain via hole is longer than the length of the projection screen.
The left and right ends of the curtain via hole are located between two electric roller slots of the right and left.
The utility model has the following beneficial effects:
1, a kind of micro- class of the utility model record with projection writing device include curtain and and clipboard, curtain is for showing
Computer interface, and clipboard can reach effect of preferably giving lessons for writing writing on the blackboard, the two combination；
2, the position of a kind of curtain of micro- class recording projection writing device of the utility model and clipboard can lateral adjustments,
Curtain can be moved left and right by electric roller, and clipboard can slide in framework, and using flexible greatly improves；
3, a kind of micro- class recording of the utility model enters frame with the slot that the curtain of projection writing device passes through at the top of expanded letter
Body central location, so that entire projection writing device good integrity, aesthetics are good.
Detailed description of the invention
Fig. 1 is that a kind of micro- class of the utility model records the positive structure diagram for using projection writing device.
Fig. 2 is that a kind of micro- class of the utility model records the overlooking structure diagram for using projection writing device.
Fig. 3 is that a kind of clipboard of micro- class recording projection writing device of the utility model connects top view cross section knot with framework
Structure schematic diagram.
In figure: 1 is framework, and 2 be projection screen, and 3 be clipboard, and 4 be curtain via hole, and 5 be curtain control device, and 6 be rolling
Control device is taken turns, 7 be electric roller, and 8 be electric roller slot, and 9 be writing board slot.
Specific embodiment
Below with reference to Fig. 1-3, the present invention will be further described, but scope of protection of the utility model is not limited in described
Hold.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to court
To or far from geometric center of specific component direction, and attached drawing is all made of very simplified form and uses non-accurate ratio
Rate, only to convenient, lucidly aid illustration the utility model embodiment purpose.
For clarity, not describing whole features of practical embodiments, in the following description, it is not described in detail well known function
And structure, because they can make the utility model chaotic due to unnecessary details, it will be understood that in any practical embodiments
Exploitation in, it is necessary to make a large amount of implementation details to realize the specific objective of developer, such as according to related system or related quotient
The limitation of industry changes into another embodiment by one embodiment, additionally, it should think this development may be it is complicated and
It is time-consuming, but to those skilled in the art it is only routine work.
A kind of micro- class recording projection writing device comprising framework 1, projection screen 2 and clipboard 3,1 upper side of framework
Middle position be provided with curtain via hole 4, projection screen 2 is located at the inside of framework 1, and the upper end of projection screen 2 passes through curtain mistake
Hole 4 is connected to curtain control device 5, and curtain control device 5 is bar shaped, and left and right ends respectively connect a Gyro Wheel Controlling Device 6,
The lower end connection of each Gyro Wheel Controlling Device 6 is all connected with two electric rollers 7, and the left and right ends of the upper side of framework 1 are respectively provided with
Two electric roller slots 8, Gyro Wheel Controlling Device 6 control electric roller 7 and horizontally slip on electric roller slot 8, and then drive curtain
Cloth control device 5 and projection screen 2 horizontally slip, and clipboard 3 is equipped with two pieces, and is respectively positioned on the front side inside framework 1, idler wheel
Control device 6 and curtain control device 5 are each coupled electrically to external control device, and external control device is to Gyro Wheel Controlling Device
6 and the control of curtain control device 5, Gyro Wheel Controlling Device 6 control of electric roller 7 and 5 pairs of curtain control device are projected
The control of curtain 2 belongs to existing well-known technique, external control device, Gyro Wheel Controlling Device 6 and curtain control device 5 it is interior
Details are not described herein for portion's structure, working principle and the course of work.
The lower end of 1 upper side of framework and the upper end of downside, which are provided with, writes board slot 9, and the upper end of clipboard 3 is located at frame
In the writing board slot 9 of 1 upper side of body, the lower end of clipboard 3 is located in the writing board slot 9 of 1 downside of framework.
Clipboard 3 can horizontally slip writing in board slot 9.
The length of two pieces of clipboards 3 and less than the length for writing board slot 9.
The length of curtain via hole 4 is longer than the length of projection screen 2.
The left and right ends of curtain via hole 4 are located between two electric roller slots 8 of the right and left.
In use, external control device controls the expansion or winding of projection screen 2 by curtain control device 5, outside
The control device in portion controls electric roller 7 by Gyro Wheel Controlling Device 6 and moves left and right on electric roller slot 8, and then adjusts and throw
Position of the shadow curtain 2 in framework 1, clipboard 3 can horizontally slip writing in board slot 9, can be write by manually adjusting
Position of the plate 3 in framework 1.
Although having done more detailed elaboration to the technical solution of the utility model and having enumerated, it should be understood that for
For those skilled in the art, modifications to the embodiments described above may be made or uses equivalent alternative solution, this skill to this field
Be for art personnel it is clear that on the basis of without departing from the spirit of the present invention these modifications or improvements, belong to
In the range of the requires of the utility model protection.
Claims (6)
1. a kind of micro- class, which is recorded, uses projection writing device, it is characterised in that: it includes framework (1), projection screen (2) and clipboard
(3), the middle position of framework (1) upper side is provided with curtain via hole (4), and the projection screen (2) is located at the framework (1)
Inside, and the upper end of the projection screen (2) pass through the curtain via hole (4) be connected to curtain control device (5), the curtain
Cloth control device (5) is bar shaped, and left and right ends respectively connect a Gyro Wheel Controlling Device (6), each Gyro Wheel Controlling Device
(6) lower end connection is all connected with two electric rollers (7), and the left and right ends of the upper side of the framework (1) are respectively provided with two electricity
Dynamic roller groove (8), the Gyro Wheel Controlling Device (6) control the electric roller (7) left and right on the electric roller slot (8) and slide
It is dynamic, and then the curtain control device (5) and the projection screen (2) is driven to horizontally slip, the clipboard (3) is equipped with two
Block, and it is respectively positioned on the internal front side of the framework (1), the Gyro Wheel Controlling Device (6) and the curtain control device (5) electricity
It is connected to external control device.
2. a kind of micro- class according to claim 1, which is recorded, uses projection writing device, it is characterised in that: on the framework (1)
The lower end of side and the upper end of downside, which are provided with, writes board slot (9), and the upper end of the clipboard (3) is located at the framework
(1) in the writing board slot (9) of upper side, the lower end of the clipboard (3) is located at the writing board slot of the framework (1) downside
(9) in.
3. a kind of micro- class according to claim 2, which is recorded, uses projection writing device, it is characterised in that: the clipboard (3)
It can horizontally slip in the writing board slot (9).
4. a kind of micro- class according to claim 2, which is recorded, uses projection writing device, it is characterised in that: two pieces of clipboards
(3) length and the length less than writing board slot (9).
5. a kind of micro- class according to claim 1, which is recorded, uses projection writing device, it is characterised in that: the curtain via hole
(4) length is longer than the length of the projection screen (2).
6. a kind of micro- class according to claim 1, which is recorded, uses projection writing device, it is characterised in that: the curtain via hole
(4) left and right ends are located between two electric roller slots (8) of the right and left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820428860.9U CN208922495U (en) | 2018-03-28 | 2018-03-28 | A kind of micro- class recording projection writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820428860.9U CN208922495U (en) | 2018-03-28 | 2018-03-28 | A kind of micro- class recording projection writing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208922495U true CN208922495U (en) | 2019-05-31 |
Family
ID=66691614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820428860.9U Expired - Fee Related CN208922495U (en) | 2018-03-28 | 2018-03-28 | A kind of micro- class recording projection writing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208922495U (en) |
-
2018
- 2018-03-28 CN CN201820428860.9U patent/CN208922495U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20200328 |