CN204331271U - A kind of multimedia overhead projector curtain device - Google Patents
A kind of multimedia overhead projector curtain device Download PDFInfo
- Publication number
- CN204331271U CN204331271U CN201420741357.0U CN201420741357U CN204331271U CN 204331271 U CN204331271 U CN 204331271U CN 201420741357 U CN201420741357 U CN 201420741357U CN 204331271 U CN204331271 U CN 204331271U
- Authority
- CN
- China
- Prior art keywords
- slide rail
- curtain
- slide block
- overhead projector
- described slide
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Projection Apparatus (AREA)
Abstract
The utility model discloses a kind of multimedia overhead projector curtain device, comprise outer cover and the curtain of strip, spool is provided with in described outer cover, one end of described curtain is fixing on said reel, the other end of described curtain is provided with movable axis, one end of described outer cover is provided with slide rail, described slide rail is vertical with described spool, slide block is provided with in described slide rail, described slide rail is also provided with the register pin for limiting described slide position, one end of described movable axis is fixed on described slide block, and the below of described slide rail is provided with roller.The utility model by arranging slide rail, movable axis can be erect by slide block, can be slided along slide rail by slide block, curtain is without the need to just deployable by extraneous hitch point, this apparatus structure good stability, curtain can be rolled very easily and launch, and in the expansion process of curtain, spended time is few, and can move whole device by roller, it is extremely convenient to use, and has higher practical value.
Description
Technical field
The utility model relates to multimedia overhead projector technical field, particularly relates to a kind of mobile and expansion multimedia overhead projector curtain device all very easily.
Background technology
In modern society, the application of multimedia technology is extremely extensive, multimedia overhead projector curtain device is mainly used in the image projecting of projector, existing multimedia overhead projector curtain device moves inconvenience, and the Stability Analysis of Structures performance of portable translucent curtain is poor, the expansion of curtain is inconvenient, in the expansion process of curtain, waste the too much time.
Utility model content
The purpose of this utility model is just to provide a kind of mobile and expansion multimedia overhead projector curtain device all very easily to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of multimedia overhead projector curtain device, comprise outer cover and the curtain of strip, spool is provided with in described outer cover, one end of described curtain is fixing on said reel, the other end of described curtain is provided with movable axis, one end of described outer cover is provided with slide rail, described slide rail is vertical with described spool, slide block is provided with in described slide rail, described slide rail is also provided with the register pin for limiting described slide position, one end of described movable axis is fixed on described slide block, and the below of described slide rail is provided with roller.
By arranging slide rail, movable axis can be erect, can be slided by slide block along slide rail, curtain, can first fixed slider position by register pin after launching without the need to just deployable by extraneous hitch point, and can move whole device by roller.
As preferably, described slide rail is T-shape grooved rail.
As preferably, described slide block is provided with through hole, and the bottom of described slide rail is provided with blind hole, and described register pin is through described through hole and insert in described blind hole.
As preferably, described slide block is square.
As preferably, one end of described spool is provided with scrolling handle.
As preferably, described movable axis is provided with pull handle.
The beneficial effects of the utility model are:
The utility model by arranging slide rail, movable axis can be erect by slide block, can be slided along slide rail by slide block, curtain is without the need to just deployable by extraneous hitch point, this apparatus structure good stability, curtain can be rolled very easily and launch, and in the expansion process of curtain, spended time is few, and can move whole device by roller, it is extremely convenient to use, and has higher practical value.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of multimedia overhead projector curtain device described in the utility model;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the left TV structure schematic diagram of a kind of multimedia overhead projector curtain device described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model comprises outer cover 6 and the curtain 5 of strip, spool 7 is provided with in outer cover 6, one end of curtain 5 is fixed on spool 7, the other end of curtain 5 is provided with movable axis 1, one end of outer cover 6 is provided with slide rail 3, slide rail 3 is vertical with spool 7, slide block 10 is provided with in slide rail 3, slide rail 3 is also provided with the register pin 9 for limiting slide block 10 position, slide block 10 is provided with through hole, the bottom of slide rail 3 is provided with blind hole, register pin 9 passes through hole and inserts in blind hole, one end of movable axis 1 is fixed on slide block 10, the below of slide rail 3 is provided with roller 4.
In the present embodiment, T-shape grooved rail selected by slide rail 3, and slide block 10 is set to square, and slide block 10 can slide preferably in slide rail 3, it should be noted that, should regular apply oil in slide rail, prevent dry friction, cause the damage of slide rail, one end of spool 7 is provided with scrolling handle 8, movable axis 1 is provided with pull handle 2, can launch curtain 5 more easily by pull handle, can be rolled onto on spool 7 by curtain 5 easily by scrolling handle 8.
The utility model by arranging slide rail 3, movable axis 1 can be erect by slide block 10, can be slided along slide rail 3 by slide block 10, curtain 5 is without the need to just deployable by extraneous hitch point, this apparatus structure good stability, curtain 5 can be rolled very easily and launch, and in the expansion process of curtain 5, spended time is few, and can move whole device by roller 4, it is extremely convenient to use, and has higher practical value.
Claims (6)
1. a multimedia overhead projector curtain device, comprise outer cover and the curtain of strip, spool is provided with in described outer cover, one end of described curtain is fixing on said reel, the other end of described curtain is provided with movable axis, it is characterized in that: one end of described outer cover is provided with slide rail, described slide rail is vertical with described spool, slide block is provided with in described slide rail, described slide rail is also provided with the register pin for limiting described slide position, one end of described movable axis is fixed on described slide block, and the below of described slide rail is provided with roller.
2. a kind of multimedia overhead projector curtain device according to claim 1, is characterized in that: described slide rail is T-shape grooved rail.
3. a kind of multimedia overhead projector curtain device according to claim 1, it is characterized in that: described slide block is provided with through hole, the bottom of described slide rail is provided with blind hole, and described register pin passes described through hole and inserts in described blind hole.
4. a kind of multimedia overhead projector curtain device according to claim 1, is characterized in that: described slide block is square.
5. a kind of multimedia overhead projector curtain device according to claim 1, is characterized in that: one end of described spool is provided with scrolling handle.
6. a kind of multimedia overhead projector curtain device according to claim 1, is characterized in that: described movable axis is provided with pull handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741357.0U CN204331271U (en) | 2014-12-01 | 2014-12-01 | A kind of multimedia overhead projector curtain device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741357.0U CN204331271U (en) | 2014-12-01 | 2014-12-01 | A kind of multimedia overhead projector curtain device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204331271U true CN204331271U (en) | 2015-05-13 |
Family
ID=53167613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420741357.0U Withdrawn - After Issue CN204331271U (en) | 2014-12-01 | 2014-12-01 | A kind of multimedia overhead projector curtain device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204331271U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375371B (en) * | 2014-12-01 | 2016-01-20 | 成都艾塔科技有限公司 | A kind of multimedia overhead projector curtain device |
| CN111323998A (en) * | 2020-03-13 | 2020-06-23 | 浙江乐科文化发展有限公司 | Adjustable high-luminosity multimedia delivery platform |
-
2014
- 2014-12-01 CN CN201420741357.0U patent/CN204331271U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375371B (en) * | 2014-12-01 | 2016-01-20 | 成都艾塔科技有限公司 | A kind of multimedia overhead projector curtain device |
| CN111323998A (en) * | 2020-03-13 | 2020-06-23 | 浙江乐科文化发展有限公司 | Adjustable high-luminosity multimedia delivery platform |
| CN111323998B (en) * | 2020-03-13 | 2021-12-03 | 聊城市坚果教育科技有限公司 | Adjustable high-luminosity multimedia delivery platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204331271U (en) | A kind of multimedia overhead projector curtain device | |
| CN104375371B (en) | A kind of multimedia overhead projector curtain device | |
| CN204467273U (en) | The convenient draw-bar box handle regulating height | |
| CN203409669U (en) | Universal transformer arranging slot | |
| CN203739478U (en) | Drawing board device for professional animation drawing | |
| CN203134300U (en) | Poster clamps and roller-type poster display device | |
| CN205038872U (en) | Drawing board for college mathematics teaching | |
| CN204324602U (en) | A kind of take-up reel that automatically can move back line | |
| CN204256360U (en) | A kind of multimedia short focus projection arrangement | |
| CN209542538U (en) | A kind of gas chromatograph attachment device | |
| CN204109584U (en) | A kind of finance seal box with ink paste base | |
| CN203172274U (en) | Modified compasses | |
| CN203442325U (en) | Round pipe clamp sleeve | |
| CN204201418U (en) | A kind of computer media scaffold | |
| CN204845261U (en) | Extension rule is used in teaching | |
| CN204628817U (en) | A kind of office line winder | |
| CN204201419U (en) | A kind of three dimensionality adjustment type projector scaffold | |
| CN203430385U (en) | Venetian blind rope winder | |
| CN205468101U (en) | Portable double -sided blackboard | |
| CN203706208U (en) | Geographic information self-service inquiry unit | |
| CN204265067U (en) | The cloth unfolding device of coiler | |
| CN202290877U (en) | Position guiding device used in discharging copper strip coil | |
| CN206753456U (en) | A kind of attachment structure of rolling screen door reel and supporting plate | |
| CN204109630U (en) | Novel English scriber | |
| CN202528698U (en) | Line drawing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |