CN205080358U - Projection frame curtain - Google Patents
Projection frame curtain Download PDFInfo
- Publication number
- CN205080358U CN205080358U CN201520739982.6U CN201520739982U CN205080358U CN 205080358 U CN205080358 U CN 205080358U CN 201520739982 U CN201520739982 U CN 201520739982U CN 205080358 U CN205080358 U CN 205080358U
- Authority
- CN
- China
- Prior art keywords
- curtain
- projection screen
- cradling piece
- projection
- axle
- 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 projection frame curtain, including projection curtain, projection curtain cradling piece, curtain axle, level pipe, rotation driving device, projection curtain upper end embedded the curtain is epaxial, makes it encircle the curtain is epaxial, rotation driving device with the end connection of curtain axle, curtain axle both ends are passed through the bearing and are fixed on the projection curtain cradling piece, level pipe horizontally set up in on the projection curtain cradling piece. Through the spirit level pipe, can easily differentiate with the levelness of rectifying projection curtain cradling piece.
Description
Technical field
The present invention relates to a kind of projector equipment technical field, relate to a kind of projection framework curtain especially.
Background technology
Along with improving constantly of social scientific and technological level, people are also increasing to the amount to obtain of knowledge, in society, existing communication media emerges in an endless stream, as TV, computer monitor etc., and projector because its distinctive performance extensively accept by people and utilize, such as multimedia conferencing room, movie theatre, the places such as classroom all apply projector, projector curtain is as the electrical equipment of arranging in pairs or groups mutually with projector, because of the askew positive situation that projector curtain is installed, the direct image projection quality affecting projector, when existing projection framework curtain is installed, carry out level of corrections by estimating or use external instrument, during range estimation, because projection screen area is large, projection cloth cradling piece is long, be difficult to accomplish real level, use external instrument correction water Pingdu, its Comparision is loaded down with trivial details.
Utility model content
The utility model provides a kind of projection framework curtain, object be in order to solve in prior art because of install projection cloth support be difficult to ensure its level bring the problem of projector image show quality difference.
The utility model provides a kind of projection framework curtain, comprise projection screen, projection screen cradling piece, curtain axle, horizontal tube, rotating driving device, described projection screen upper end is embedded on described curtain axle, make it can be looped around on described curtain axle, described rotating driving device connects with described curtain axle one end, described curtain axle two ends are fixed on described projection screen cradling piece by bearing, being arranged on described projection screen cradling piece of described horizontal tube level.
Further, described rotating driving device comprises motor, hand chain wheel, and described motor connects with described projection screen cloth beam one end, and described hand chain wheel is set in the described projection screen cloth beam other end, described hand chain wheel surface inserting chain rope.
Further, described projection screen cradling piece upper surface offers Judas-hole, and described horizontal tube is air-bubble level pipe, and being embedded on described projection screen cradling piece upper surface inwall of its level, the bubble of described air-bubble level pipe is positioned at described Judas-hole.
The utility model beneficial effect is as follows: adopt this novel projection framework curtain, by level on projection screen cradling piece, a level meter pipe is set, when installing projection screen cradling piece, according to the position of bubble in level meter pipe, the levelness at projection screen cradling piece two ends can be adjusted easily; By arranging drive motor in curtain axle one end, carry out folding and unfolding by controlling motor to projection screen, hand chain wheel is arranged on the curtain axle other end, can carry out folding and unfolding projection screen by manual operation chain rope under powering-off state, and its structure is simple, operates succinctly easy to learn.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of framework curtain that projects of the utility model
In figure, 1-projection screen cradling piece, 2-projection screen, 3-curtain axle, 4-motor, 5-hand chain wheel, 6-chain rope, 7-level meter pipe, 8-Judas-hole.
Embodiment
Below in conjunction with Figure of description, the utility model embodiment is described in further detail.
The utility model provides a kind of projection framework curtain, as shown in Figure 1, comprise projection screen 2, projection screen cradling piece 1, curtain axle 3, horizontal tube 7, rotating driving device, projection screen cradling piece 1 is square-section hollow tubular, curtain axle 3 two ends are arranged in projection screen cradling piece 1 bottom interior wall by bearing, projection screen 2 upper end is embedded on curtain axle 3, make it can be looped around on curtain axle 3, rotating driving device comprises motor 4 hand chain wheel 5, the output shaft of motor 4 connects one end of curtain axle 3, curtain axle 3 other end is arranged with hand chain wheel 5, hand chain wheel 5 is inlaid with chain rope 6 on the surface, level meter pipe 7 level be arranged in projection screen cradling piece 1 top inner wall, in the bubble corresponding position with level meter pipe 7, offer the Judas-hole 8 for observing bubble position, when mounted, according in the level meter pipe 7 installed, the levelness of the position judgment projection screen cradling piece 1 that bubble stops, by controlling motor, curtain axle 3 is driven to rotate, thus make projection screen 2 be wound on curtain axle 3, in addition, when power-off, folding and unfolding projection screen 2 can be carried out by manual slide fastener rope 6.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (3)
1. a projection framework curtain, it is characterized in that, comprise projection screen, projection screen cradling piece, curtain axle, horizontal tube, rotating driving device, described projection screen upper end is embedded on described curtain axle, make it can be looped around on described curtain axle, described rotating driving device connects with described curtain axle one end, and described curtain axle two ends are fixed on described projection screen cradling piece by bearing, being arranged on described projection screen cradling piece of described horizontal tube level.
2. one projection framework curtain according to claim 1, it is characterized in that, described rotating driving device comprises motor, hand chain wheel, described motor connects with described projection screen cloth beam one end, described hand chain wheel is set in the described projection screen cloth beam other end, described hand chain wheel surface inserting chain rope.
3. one projection framework curtain according to claim 1, it is characterized in that, described projection screen cradling piece upper surface offers Judas-hole, described horizontal tube is air-bubble level pipe, being embedded on described projection screen cradling piece upper surface inwall of its level, the bubble of described air-bubble level pipe is positioned at described Judas-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739982.6U CN205080358U (en) | 2015-09-23 | 2015-09-23 | Projection frame curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739982.6U CN205080358U (en) | 2015-09-23 | 2015-09-23 | Projection frame curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080358U true CN205080358U (en) | 2016-03-09 |
Family
ID=55432755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520739982.6U Expired - Fee Related CN205080358U (en) | 2015-09-23 | 2015-09-23 | Projection frame curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205080358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001853A1 (en) * | 2020-06-29 | 2022-01-06 | 海信视像科技股份有限公司 | Display device and screen correction method |
| CN113938725A (en) * | 2020-06-29 | 2022-01-14 | 海信视像科技股份有限公司 | Screen correction method of display device and display device |
-
2015
- 2015-09-23 CN CN201520739982.6U patent/CN205080358U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001853A1 (en) * | 2020-06-29 | 2022-01-06 | 海信视像科技股份有限公司 | Display device and screen correction method |
| CN113938725A (en) * | 2020-06-29 | 2022-01-14 | 海信视像科技股份有限公司 | Screen correction method of display device and display device |
| CN113938729A (en) * | 2020-06-29 | 2022-01-14 | 海信视像科技股份有限公司 | Screen correction method of display device and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205080358U (en) | Projection frame curtain | |
| CN208498061U (en) | A kind of adjustable display device for education | |
| CN207164457U (en) | A kind of economic management teaching uses multimedia projector | |
| CN209100920U (en) | A kind of instructional device based on digital media technology | |
| CN106530846A (en) | Multifunctional teaching board for preschool education | |
| CN104007600B (en) | A kind of projecting apparatus system | |
| CN204440002U (en) | Large scale scrolling curtain | |
| CN203157487U (en) | Blackboard with curtain for Chinese teaching | |
| CN206849325U (en) | A kind of instructional device for architectural design | |
| CN203037985U (en) | Projection curtain device | |
| CN107871406A (en) | A kind of multimedia industrial and commercial administration teaching equipment | |
| CN204270525U (en) | A kind of Multimedia assisted instruction support | |
| CN205910874U (en) | Multi -functional manpower resources instrument for training | |
| CN204432115U (en) | A kind of Multifunctional mathematics teaching showing stand | |
| CN204287721U (en) | Large scale scrolling curtain system | |
| CN205788825U (en) | Lifting panel for ideology and politics teaching | |
| CN203705810U (en) | Movable projector stand | |
| CN206757914U (en) | A kind of teaching of Chinese open air presentation device | |
| CN209625488U (en) | A kind of practice-training teaching apparatus for demonstrating of computer application | |
| CN207486404U (en) | A kind of projecting apparatus expansion bracket | |
| CN208861531U (en) | A kind of shares changing tendency analytic instruction auxiliary device | |
| CN209821583U (en) | English teaching device that projection cloth can hang and contract | |
| CN211293595U (en) | Projection curtain structure for education industry | |
| CN211597442U (en) | Waterproof cloth construction equipment is built in room | |
| CN205657783U (en) | Wall -hanging flat -panel television elevating gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20180923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |