CN204065650U - A kind of Portable projection screen - Google Patents
A kind of Portable projection screen Download PDFInfo
- Publication number
- CN204065650U CN204065650U CN201420153555.5U CN201420153555U CN204065650U CN 204065650 U CN204065650 U CN 204065650U CN 201420153555 U CN201420153555 U CN 201420153555U CN 204065650 U CN204065650 U CN 204065650U
- Authority
- CN
- China
- Prior art keywords
- electric
- controlled plate
- curtain
- top cover
- projection screen
- 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
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- Overhead Projectors And Projection Screens (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The purpose of this utility model is to provide a kind of Portable projection screen.The technical solution of the utility model is: a kind of Portable projection screen, comprise box body, support, curtain, described box body is by rolling up groove and top cover is formed, box body arranged outside has power interface, electric-controlled switch and infrared signal receiver, motor, electric-controlled plate and parallel support bar and spool is provided with in volume groove, curtain bottom is fixedly connected with spool, curtain top is fixedly connected with top cover, hinged inside the cantilever tip at the curtain back side and top cover, pedestal lower end is fixedly connected with and is connected sliding tray with electric-controlled plate.Scissor support is more firm to fixing of curtain, and the articulated structure of cantilever tip and top cover is simple, decreases the difficulty that rail structure is processed design of cover.
Description
Technical field
The utility model relates to projection screen technical field, particularly relates to a kind of Portable projection screen.
Background technology
Projection screen is one of product the most often used in projector's peripheral equipment, generally can be divided into mount curtain, screen support frame, folding curtain, draw curtain, framework curtain etc.Ground draw curtain is little, easy to carry because of its volume, is applicable to on-fixed installation site, such as business show, mini-session etc.Existing ground draw curtain adopts the mode of hand rotation spool to stretch curtain usually, and complex operation, wastes time and energy.The mode that the fixing employing wall-hung type of curtain or support are fixed.Support mainly adopts telescopic lever, and what pull bar rotated is arranged on (patent No. ZL 200520059570.4) on box body, needs first to be risen by support, again curtain is pulled out, curtain and pull bar are fixed, this supporting construction fastness is lower, and highly also has requirement to operator again.
Utility model content
The utility model object is to provide a kind of Portable projection screen, has the features such as easy to use, firm supporting.
The technical solution of the utility model is: a kind of Portable projection screen, comprise box body, support, curtain, described box body is by rolling up groove and top cover is formed, described top cover agrees with volume groove, described box body arranged outside has power interface, electric-controlled switch and infrared signal receiver, motor is provided with in described volume groove, electric-controlled plate, described power interface is connected with electric-controlled plate by wire, described electric-controlled switch is communicated with electric-controlled plate, described motor is connected with electric-controlled plate by wire, described electric-controlled plate is in order to control on off state and the sense of rotation of motor, parallel support bar and spool is also provided with in described volume groove, described support bar is fixedly connected with volume bottom land end, described spool one end is connected by gears meshing with motor, described curtain bottom is fixedly connected with spool, described curtain top is fixedly connected with top cover, the described curtain back side is provided with support, hinged inside described cantilever tip and top cover, described pedestal lower end is fixedly connected with sliding tray, described chute and support bar are slidably connected, described sliding tray is connected with electric-controlled plate.
Further, described a kind of Portable projection screen also comprises Digiplex and infrared signal receiver, described infrared signal receiver is arranged in the inner chamber of volume groove, described infrared signal receiver is communicated with electric-controlled plate by wire, is transferred to electric-controlled plate starter motor after described Digiplex wireless signal emission is received by infrared signal receiver.
Further, described box portion outside is provided with carrying handle.
Further, the material of described support is stainless steel, makes supporting construction more firm.
Further, described top cover is arranged several snap closes, top cover and volume groove are linked by snap close.
Further, described electric-controlled switch is provided with third gear, operates electric-controlled plate respectively and carries out releasing, is involved in, stops.
Further, described Digiplex all has three buttons, operates electric-controlled plate respectively and carries out releasing, is involved in, stops.
The beneficial effects of the utility model are: scissor support is more firm to fixing of curtain, and the articulated structure of cantilever tip and top cover is simple, decreases the difficulty that rail structure is processed design of cover.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is box body amplification view of the present utility model.
Wherein: 1, box body 2, support 3, curtain 4, top cover
5, power interface 6, electric-controlled switch 7, infrared signal receiver 8, carrying handle
9, snap close 10, Digiplex 11, motor 12, electric-controlled plate
13, transmission shaft 14, spool 15, volume groove 16, support bar 17, sliding tray
Embodiment
Below in conjunction with accompanying drawing, brief description is made to embodiment of the present utility model.
As Fig. 1, a kind of Portable projection screen shown in Fig. 2, comprise box body 1, support 2, curtain 3, it is characterized in that: described box body 1 is made up of volume groove 15 and top cover 4, described top cover 4 agrees with volume groove 15, described box body 1 arranged outside has power interface 5, electric-controlled switch 6 and infrared signal receiver 7, motor 11 is provided with in described volume groove 15, electric-controlled plate 12, described power interface 5 is connected with electric-controlled plate 12 by wire, described electric-controlled switch 6 is communicated with electric-controlled plate 12, described motor 11 is connected with electric-controlled plate 12 by wire, described electric-controlled plate 12 is in order to control on off state and the sense of rotation of motor 11, parallel support bar 16 and spool 14 is also provided with in described volume groove 15, described support bar 16 is fixedly connected with volume groove 15 bottom, described spool 14 one end is connected by gears meshing with motor 11, described curtain 3 bottom is fixedly connected with spool 14, described curtain 3 top is fixedly connected with top cover 4, described curtain 3 back side is provided with support 2, hinged inside described support 2 top and top cover 4, described support 2 lower end is fixedly connected with sliding tray 17, described chute 15 is slidably connected with support bar 16, described sliding tray 17 is connected with electric-controlled plate 12.
Described a kind of Portable projection screen also comprises Digiplex 10 and infrared signal receiver 7, described infrared signal receiver 7 is arranged in the inner chamber of volume groove 15, described infrared signal receiver 7 is communicated with electric-controlled plate 12 by wire, and described Digiplex 10 wireless signal emission is transferred to electric-controlled plate 12 starter motor 11 after being received by infrared signal receiver 7.
Described box body 1 outer setting has carrying handle 8.
Described support 2 is scissor support, according to the demand of actual curtain size, can increase or reduce amount of articulation.
The material of described support 2 is stainless steel, is that supporting construction is more firm.
Described top cover 4 is arranged several snap closes 9, top cover 4 and volume groove 15 are linked by snap close 9.
Described electric-controlled switch 6 is provided with third gear, operates electric-controlled plate respectively and carries out releasing, is involved in, stops.
Described Digiplex 10 all has three buttons, operates electric-controlled plate respectively and carries out releasing, is involved in, stops.
Working method: when needing to use projection screen, switched on power by power interface 5, stir electric-controlled switch 6.Motor 11 drives transmission shaft 13 to rotate, spool 14 is rotated, curtain 3 stretches out, meanwhile, motor 11 promotes sliding tray 17 by gear structure and moves, and support bar 16 rises, because support bar 16 top is connected with top cover 4, namely be connected with curtain 3 top, the rise of support bar 16 makes curtain 3 slowly rise and keep smooth.When reaching requirement height, close electric-controlled switch 6.After finishing using, stir electric-controlled switch 6 to down position, sliding tray 17 reverse movement, support bar 16 and curtain 3 decline, spool 14 reverses, and is involved in curtain 3, after curtain 3 is spooled completely, top cover 4 covers volume groove 15 just, closes electric-controlled switch 6 afterwards, pulls out power supply.Whole process implementation robotization, simple operation.
Carrying handle 8 on Portable projection screen makes projection screen easy to carry.
Top cover 4 and volume groove 15 can be fixed more firm by the snap close 9 on Portable projection screen top cover.
Portable projection screen is also provided with Digiplex 10 and infrared signal receiver 7, conveniently carries out Long-distance Control by wireless signal to curtain.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (7)
1. a Portable projection screen, it is characterized in that: comprise box body, support, curtain, it is characterized in that: described box body is by rolling up groove and top cover is formed, described top cover agrees with volume groove, described box body arranged outside has power interface, electric-controlled switch and infrared signal receiver, motor is provided with in described volume groove, electric-controlled plate, described power interface is connected with electric-controlled plate by wire, described electric-controlled switch is communicated with electric-controlled plate, described motor is connected with electric-controlled plate by wire, described electric-controlled plate is in order to control on off state and the sense of rotation of motor, parallel support bar and spool is also provided with in described volume groove, described support bar is fixedly connected with volume bottom land end, described spool one end is connected by gears meshing with motor, described curtain bottom is fixedly connected with spool, described curtain top is fixedly connected with top cover, the described curtain back side is provided with support, hinged inside described cantilever tip and top cover, described pedestal lower end is fixedly connected with sliding tray, described chute and support bar are slidably connected, described sliding tray is connected with electric-controlled plate.
2. a kind of Portable projection screen according to claim 1, it is characterized in that: also comprise Digiplex and infrared signal receiver, described infrared signal receiver is arranged in the inner chamber of volume groove, described infrared signal receiver is communicated with electric-controlled plate by wire, is transferred to electric-controlled plate starter motor after described Digiplex wireless signal emission is received by infrared signal receiver.
3. a kind of Portable projection screen according to claim 1, is characterized in that: box portion outside is provided with carrying handle.
4. a kind of Portable projection screen according to claim 1, is characterized in that: top cover is arranged several snap closes, and top cover and volume groove are linked by snap close.
5. a kind of Portable projection screen according to claim 1, is characterized in that: the material of support is stainless steel, makes supporting construction more firm.
6. a kind of Portable projection screen according to claim 1, is characterized in that: described electric-controlled switch is provided with third gear, operates electric-controlled plate respectively and carries out releasing, is involved in, stops.
7. a kind of Portable projection screen according to claim 2, is characterized in that: described Digiplex all has three buttons, operates electric-controlled plate respectively and carries out releasing, is involved in, stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153555.5U CN204065650U (en) | 2014-04-01 | 2014-04-01 | A kind of Portable projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153555.5U CN204065650U (en) | 2014-04-01 | 2014-04-01 | A kind of Portable projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065650U true CN204065650U (en) | 2014-12-31 |
Family
ID=52207123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153555.5U Expired - Fee Related CN204065650U (en) | 2014-04-01 | 2014-04-01 | A kind of Portable projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065650U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467740A (en) * | 2015-12-15 | 2016-04-06 | 重庆触视科技有限公司 | Bottom-up projection screen |
| CN106597796A (en) * | 2017-01-02 | 2017-04-26 | 张钒 | Rolling-type double-side projection curtain |
| CN106940511A (en) * | 2017-04-30 | 2017-07-11 | 广州市创视智能设备有限公司 | A kind of anti-excessive tensile ground type electric up-down projection screen |
| CN107608171A (en) * | 2017-09-08 | 2018-01-19 | 安徽影星银幕有限责任公司 | A kind of Portable self-supporting manual-lifting screen |
| CN112750340A (en) * | 2021-01-07 | 2021-05-04 | 陈卯 | Be used for thinking political affairs education and teaching and use projection equipment |
| WO2021110158A1 (en) * | 2019-12-05 | 2021-06-10 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2022017367A1 (en) * | 2020-07-20 | 2022-01-27 | 青岛海信激光显示股份有限公司 | Laser projection device |
-
2014
- 2014-04-01 CN CN201420153555.5U patent/CN204065650U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467740A (en) * | 2015-12-15 | 2016-04-06 | 重庆触视科技有限公司 | Bottom-up projection screen |
| CN105467740B (en) * | 2015-12-15 | 2018-02-13 | 重庆触视科技有限公司 | Projection screen from bottom to top |
| CN106597796A (en) * | 2017-01-02 | 2017-04-26 | 张钒 | Rolling-type double-side projection curtain |
| CN106940511A (en) * | 2017-04-30 | 2017-07-11 | 广州市创视智能设备有限公司 | A kind of anti-excessive tensile ground type electric up-down projection screen |
| CN107608171A (en) * | 2017-09-08 | 2018-01-19 | 安徽影星银幕有限责任公司 | A kind of Portable self-supporting manual-lifting screen |
| WO2021110158A1 (en) * | 2019-12-05 | 2021-06-10 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2022017367A1 (en) * | 2020-07-20 | 2022-01-27 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN112750340A (en) * | 2021-01-07 | 2021-05-04 | 陈卯 | Be used for thinking political affairs education and teaching and use projection equipment |
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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: 20141231 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |