CN201021971Y - Pull line projection screen - Google Patents
Pull line projection screen Download PDFInfo
- Publication number
- CN201021971Y CN201021971Y CN 200720049296 CN200720049296U CN201021971Y CN 201021971 Y CN201021971 Y CN 201021971Y CN 200720049296 CN200720049296 CN 200720049296 CN 200720049296 U CN200720049296 U CN 200720049296U CN 201021971 Y CN201021971 Y CN 201021971Y
- Authority
- CN
- China
- Prior art keywords
- screen
- curtain
- projection screen
- backguy
- utility
- 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 - Lifetime
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- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
A wire bracing translucent screen of the utility model belongs to the field of translucent screens, margins of a certain width are preserved on the upper and the lower ends of the screen, the upper end of the screen is connected to the rotating tube, and the lower end of the screen is connected to a draw rod, margins of a certain width are preserved on the two side edges of the screen, the two sides of the screen present arch, the middle is concave, and the screen is not proteiform after curved and extended that the screen is assured neat after extended and projection is beneficial. The wire bracing translucent screen of the utility model is neat, the projection effect is good, and the projection picture is clear.
Description
Technical field
The utility model backguy projection screen belongs to the projection screen field.
Prior art
The soft cloth projection screen, the centre of curtain is a projected image, the edge of curtain leaves the empty limit of certain width, one end of curtain is connected on the tube, the curtain other end is connected on the pull bar, pull bar is fixed on an end of curtain, the both sides of the edge of general screen are rectilinear, majority is two ends about vertical and the curtain, the planarization of curtain will produce very big influence to projected image, in order to guarantee the smooth of curtain, be provided with methods such as reticular fibre in the middle of the employing curtain, but curtain can influence the smooth of curtain in curling and stretching process.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part, and provides a kind of curtain smooth, and drop shadow effect is good, and projected image is projection screen clearly.
The purpose of this utility model realizes by following measure, the centre of projection screen is to be used for projected image, leave the empty limit of certain width at the two ends up and down of curtain, the upper end of curtain is connected on the tube, and the lower end of curtain is connected on the pull bar, leave the empty limit of certain width in the both sides of the edge of curtain, dual-side at curtain becomes arcuation, and the centre concaves, and curtain is not easy distortion after curling and stretching, extension, guarantee curtain smooth after stretching, help projection.
Projection screen of the present utility model is provided with more than one web member at the dual-side of curtain, and web member is provided with backguy, and backguy is connected on the projection screen by web member.Projection screen is that the PVC material is formed, and the centre does not have reticular fibre, so performance is soft.
In order to make projection screen of the present utility model more smooth, each side post soft cloth at projection screen.Soft cloth can be attached to projection screen about two upsides, the both sides symmetry is respectively posted a soft cloth.
Projection screen of the present utility model is smooth, and drop shadow effect is good, and projected image is clear.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, projection screen 3 of the present utility model is to be used for projected image, leave the empty limit of certain width at the two ends up and down of curtain, the lower end of curtain is connected on the pull bar 7, the upper end of curtain is connected on the tube 2, tube is installed on the housing 1, the centre of projection screen is to be used for projected image, leave the empty limit of certain width at the two ends up and down of curtain, leave the empty limit of certain width in the both sides of the edge of curtain, become arcuation at the dual-side of curtain, the centre concaves, dual-side at curtain is provided with more than one web member, and web member is provided with backguy 5 and backguy 6, respectively posts a soft cloth 8 and soft cloth 9 in the upper end, the left and right sides of projection screen.A soft cloth 10 and soft cloth 11 are respectively sticked in position in the both sides of tube, to guarantee the smooth of curtain.
Claims (4)
1. a backguy projection screen leaves the sky limit at the two ends up and down of curtain, leaves the sky limit in the both sides of the edge of curtain, it is characterized in that the dual-side of curtain becomes arcuation, and the centre concaves.
2. backguy projection screen according to claim 1 is characterized in that being provided with more than one web member at the dual-side of curtain, and web member is provided with backguy.
3. backguy projection screen according to claim 1 is characterized in that each side posting soft cloth at projection screen.
4. backguy projection screen according to claim 3 is characterized in that two upsides about projection screen, and the both sides symmetry is respectively posted a soft cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720049296 CN201021971Y (en) | 2007-03-12 | 2007-03-12 | Pull line projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720049296 CN201021971Y (en) | 2007-03-12 | 2007-03-12 | Pull line projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201021971Y true CN201021971Y (en) | 2008-02-13 |
Family
ID=39089382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720049296 Expired - Lifetime CN201021971Y (en) | 2007-03-12 | 2007-03-12 | Pull line projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201021971Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974724A (en) * | 2016-07-04 | 2016-09-28 | 张家港宝视特影视器材有限公司 | Projection arc curtain tensioning device |
| CN107765502A (en) * | 2017-12-07 | 2018-03-06 | 合肥惠科金扬科技有限公司 | Projection screen device |
| CN108681201A (en) * | 2018-03-19 | 2018-10-19 | 青岛海信激光显示股份有限公司 | Projection screen and projection display system |
| CN111119923A (en) * | 2019-12-17 | 2020-05-08 | 西安理工大学 | Automatic lifting system for double-track curtain |
-
2007
- 2007-03-12 CN CN 200720049296 patent/CN201021971Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974724A (en) * | 2016-07-04 | 2016-09-28 | 张家港宝视特影视器材有限公司 | Projection arc curtain tensioning device |
| CN105974724B (en) * | 2016-07-04 | 2018-04-06 | 张家港宝视特影视器材有限公司 | Project arc curtain tensioning apparatus |
| CN107765502A (en) * | 2017-12-07 | 2018-03-06 | 合肥惠科金扬科技有限公司 | Projection screen device |
| CN107765502B (en) * | 2017-12-07 | 2023-10-20 | 合肥惠科金扬科技有限公司 | Projection screen device |
| CN108681201A (en) * | 2018-03-19 | 2018-10-19 | 青岛海信激光显示股份有限公司 | Projection screen and projection display system |
| CN108681201B (en) * | 2018-03-19 | 2020-11-10 | 青岛海信激光显示股份有限公司 | Projection screen and projection display system |
| CN111119923A (en) * | 2019-12-17 | 2020-05-08 | 西安理工大学 | Automatic lifting system for double-track curtain |
| CN111119923B (en) * | 2019-12-17 | 2022-03-04 | 西安理工大学 | Automatic lifting system for double-track curtain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080213 |