CN103838070A - Projection screen board - Google Patents
Projection screen board Download PDFInfo
- Publication number
- CN103838070A CN103838070A CN201410049485.3A CN201410049485A CN103838070A CN 103838070 A CN103838070 A CN 103838070A CN 201410049485 A CN201410049485 A CN 201410049485A CN 103838070 A CN103838070 A CN 103838070A
- Authority
- CN
- China
- Prior art keywords
- credit
- strut
- support bar
- short support
- core barrel
- 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.)
- Pending
Links
Images
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Abstract
The invention provides a projection screen board which comprises a left outer shell and a right outer shell, a foldable supporting rod, a left screen center pipe, a right screen center pipe, a screen face and a lock catch. The left outer shell and the right outer shell are oppositely arranged, the bottom end of the left outer shell and the bottom end of the right outer shell are provided with bases respectively, foldable supporting feet are arranged on the bases on the two sides, the foldable supporting rod comprises a first short supporting rod, a second short supporting rod, a first long supporting rod and a second long supporting rod, the left screen center pipe and the second screen center pipe are contained in the left outer shell and the right outer shell respectively, the two ends of the screen face are wound on the left screen center pipe and the right screen center pipe respectively, the lock catch comprises a left lock base and a right lock base, and the left lock base and the right lock base can be matched with each other and are arranged on the left outer shell and the right outer shell respectively. The projection screen board can be folded and is accordingly convenient to carry, and when being not used, the projection screen board can be folded to be stored without occupying extra space.
Description
Technical field
The present invention relates to projector equipment field, relate in particular to a kind of for projection screen plate.
Background technology
Projection arrangement generally comprises projector and blank.Wherein, projector claims again projector, is a kind ofly image or video to be projected to the equipment of showing on blank, and it is widely used in the numerous areas such as meeting, teaching, advertisement, exhibition.At present, some blanks are suspension type, and in the time not using, it can be packed up and not take up room.But this underslung blank position is comparatively fixing, cannot carry.
Therefore, be necessary to propose a kind of portable projection screen plate.
Summary of the invention
The object of the present invention is to provide a kind of projection screen plate.
For achieving the above object, a kind of projection screen plate of the present invention, it comprises:
The left outside shell and the right casing that are oppositely arranged, the bottom of described left outside shell and right casing is separately installed with base, on described two wing bases, is provided with folded supporting foot;
Folding type supporting bar, it comprises the first short support bar, the second short support bar, first strut and second strut of drawing money on credit of drawing money on credit,
Described the first short support bar and the second short supports parallel setting, described first strut and second strut of drawing money on credit of drawing money on credit be arranged in parallel, one end of described the first short support bar is movably connected on described left outside shell, the other end is flexibly connected with described the first end of drawing money on credit strut, described first other end of drawing money on credit strut is flexibly connected with the middle part of described the second short support bar, described second short support bar one end is movably connected on described right casing, the other end is flexibly connected with described the second end of drawing money on credit strut, described second other end of drawing money on credit strut is flexibly connected with the middle part of described the first short support bar,
Left curtain core barrel, right curtain core barrel and curtain face, described left curtain core barrel and right curtain core barrel are contained in respectively in described left outside shell and right casing, and the two ends of described curtain face are wound in respectively on described left curtain core barrel and right curtain core barrel;
Snap close, described snap close comprises left lock and the right lock that can cooperatively interact, the two is arranged at respectively on described left outside shell and right casing.
As a further improvement on the present invention, the top of described left outside shell and right casing is respectively arranged with left end cap and right end cap.
As a further improvement on the present invention, on described left outside shell, be provided with left support abutment, on described left support abutment, be flexibly connected with a left connection end, the other end of described left connection end is flexibly connected with described the first short support bar.
As a further improvement on the present invention, on described right casing, be provided with right support abutment, on described right support abutment, be flexibly connected with a right connection end, the other end of described right connection end is flexibly connected with described the second short support bar.
As a further improvement on the present invention, on described right casing, the opposite side relative with described right support abutment is also provided with two relative carrying handle buttons, and described carrying handle is buckled carrying handle is installed.
As a further improvement on the present invention, in described left curtain core barrel and right curtain core barrel, be respectively arranged with torsion spring, two sections of described torsion spring are respectively arranged with torsional-spring supported seat.
As a further improvement on the present invention, described left curtain core barrel two ends are respectively arranged with left pipe plug, and described right curtain core barrel two ends are respectively arranged with right pipe plug.
For achieving the above object, another kind of projection screen plate of the present invention, it comprises:
The left outside shell and the right casing that are oppositely arranged, the bottom of described left outside shell and right casing is separately installed with base, on described two wing bases, is provided with folded supporting foot;
Folding type supporting bar, it comprises the first short support bar, the second short support bar, first strut and second strut of drawing money on credit of drawing money on credit,
One end of described the first short support bar and the second short support bar is pivotally connected to a side of described right casing,
Described first draw money on credit one end of strut and the other end of described the first short support bar pivotally connected, described first draw money on credit the other end of strut and the upper end of described left outside shell pivotally connected, described second draw money on credit one end of strut and the other end of described the second short support bar pivotally connected, described second draw money on credit the other end of strut and the lower end of described left outside shell pivotally connected, described first strut and second strut of drawing money on credit of drawing money on credit is arranged in a crossed manner;
Left curtain core barrel, right curtain core barrel and curtain face, described left curtain core barrel and right curtain core barrel are contained in respectively in described left outside shell and right casing, and the two ends of described curtain face are wound in respectively on described left curtain core barrel and right curtain core barrel;
Snap close, described snap close comprises left lock and the right lock that can cooperatively interact, the two is arranged at respectively described left outside shell has on right casing.
As a further improvement on the present invention, between described the first short support bar and the second short support bar and described right casing, be respectively arranged with extension spring.
As a further improvement on the present invention, described the first short support bar and described first is drawn money on credit pivotally connected by the first hinge component between strut, and described the second short support bar and described second is drawn money on credit pivotally connected by the second hinge component between strut.
Compared with prior art, the invention has the beneficial effects as follows: projection screen plate of the present invention can fold, thereby is convenient for carrying, in the time not using, can folding get up to deposit, and do not take additional space.
Brief description of the drawings
Fig. 1 is the schematic perspective view of an embodiment of projection screen plate of the present invention;
Fig. 2 is the decomposition enlarged diagram of dotted line A part in Fig. 1;
Fig. 3 is the decomposition enlarged diagram of dotted line B part in Fig. 1;
Fig. 4 is the perspective exploded view of the part-structure of projection screen plate of the present invention;
Fig. 5 is the schematic perspective view of an embodiment of another technical scheme of projection screen plate of the present invention;
Fig. 6 is the decomposition enlarged diagram of dotted line A part in Fig. 5.
Embodiment
Below in conjunction with each embodiment shown in the drawings, the present invention is described in detail; but should be noted that; these embodiments are not limitation of the present invention; those of ordinary skill in the art are according to these embodiment institute work energy, method or structural equivalent transformation or alternative, within all belonging to protection scope of the present invention.
As shown in Figure 1, projection screen plate 100 of the present invention comprises: the left outside shell 10 being oppositely arranged and right casing 11, the bottom of described left outside shell 10 and right casing 11 is separately installed with base 12, on described two wing bases 12, is provided with folded supporting foot 24.Wherein, above-mentioned feet 24, in the time not using, can be folded in base 12.The top of described left outside shell 10 and right casing 11 is also respectively arranged with left end cap 19 and right end cap 20, and described left end cap 19 and right end cap 20 seal left outside shell 10 and right casing 11.
Further, above-mentioned projection screen plate 100 comprises folding type supporting bar 13, and it comprises the first short support bar 131, the second short support bar 132, first strut 133 and second strut 134 of drawing money on credit of drawing money on credit.Wherein, described the first short support bar 131 and the second short support 132 be arranged in parallel, and described first strut 133 and second strut 134 of drawing money on credit of drawing money on credit be arranged in parallel.Particularly, one end of described the first short support bar 131 is movably connected on described left outside shell 10, the other end is flexibly connected with described the first end of drawing money on credit strut 133, described first other end of drawing money on credit strut 133 is flexibly connected with the middle part of described the second short support bar 131, described second short support bar 132 one end are movably connected on described right casing 11, the other end is flexibly connected with described the second end of drawing money on credit strut 134, and described second other end of drawing money on credit strut 134 is flexibly connected with the middle part of described the first short support bar 132.Thereby in the time that above-mentioned left outside shell 10 is drawn close mutually with right casing 11, above-mentioned folding type supporting bar 13 can get up in folding, thereby is easy to carry.
As shown in Figure 2, in addition, described the first short support bar 131 is realized and being flexibly connected in the following way with described left outside shell 10: on above-mentioned left outside shell 10, be provided with left support abutment 101, on described left support abutment 101, be flexibly connected with a left connection end 102, the other end of described left connection end 102 is flexibly connected with described the first short support bar 131.Similar ground, is provided with right support abutment 111 on described right casing 11, on described right support abutment 111, is flexibly connected with a right connection end 112, and the other end of described right connection end 112 is flexibly connected with described the second short support bar 132.
In the time of folding described folding type supporting bar 13, in order to prevent that it from trailing again, on described left outside shell 10 and right casing 11, be respectively arranged with left lock 17 and right lock 18, the two can cooperatively interact, and is fixed together.Wherein, on left lock 17, be provided with plug pin portion, right lock 18 relative position places are provided with slot, in the time that plug pin portion is plugged in slot, can realize being fixedly connected with of left lock 17 and right lock 18.
In the time that projection template 100 foldings of the present invention are got up, for the ease of carrying, on described right casing 11, the opposite side relative with described right support abutment 111 is also provided with two relative carrying handle buttons 23, on described carrying handle button 22, carrying handle 25 is installed.
Based on identical inventive concept, the present invention also provides a kind of projection screen plate 300, it comprises: the left outside shell 30 being oppositely arranged and right casing 31, the bottom of described left outside shell 30 and right casing 31 is separately installed with base 32, on described two wing bases 32, is provided with folded supporting foot 33.
Further, described projection screen plate 300 comprises folding type supporting bar 34, and it comprises the first short support bar 341, the second short support bar 342, first strut 343 and second strut 344 of drawing money on credit of drawing money on credit.Wherein, one end of described the first short support bar 341 and the second short support bar 342 is pivotally connected to a side of described right casing 31, described first draw money on credit one end of strut 343 and the other end of described the first short support bar 341 pivotally connected, described first draw money on credit the other end of strut 343 and the lower end of described left outside shell 30 pivotally connected, described second draw money on credit one end of strut 344 and the other end of described the second short support bar 342 pivotally connected, described second draw money on credit the other end of strut 344 and the upper end of described left outside shell 30 pivotally connected, described first strut 343 and second strut 344 of drawing money on credit of drawing money on credit is arranged in a crossed manner.Thereby in the time that above-mentioned left outside shell 30 is drawn close mutually with right casing 31, above-mentioned folding type supporting bar 13 can get up in folding, thereby is easy to carry.
In addition, between described the first short support bar 341 and the second short support bar 342 and described right casing 31, be respectively arranged with extension spring 35.This extension spring 35 can folding assisted formula support bar 34 folding.Described the first short support bar 341 and described first is drawn money on credit and between strut 343, is undertaken pivotally connectedly by the first hinge component 35, and described the second short support bar 342 and described second is drawn money on credit and undertaken pivotally connected by the second hinge component (not shown) between strut 344.
Described projection screen plate 300 also comprises: left curtain core barrel, right curtain core barrel and curtain face, and described left curtain core barrel and right curtain core barrel are contained in respectively in described left outside shell and right casing, and the two ends of described curtain face are wound in respectively in described left curtain core barrel and right curtain core barrel.
Described projection screen plate 300 also comprises: snap close, and described snap close comprises left lock and the right lock that can cooperatively interact, the two is arranged at respectively described left outside shell has on right casing.
In sum, projection screen plate of the present invention can fold, thereby is convenient for carrying, and in the time not using, can folding get up to deposit, and does not take additional space.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the present invention.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this instructions is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. a projection screen plate, is characterized in that, described projection screen plate comprises:
The left outside shell and the right casing that are oppositely arranged, the bottom of described left outside shell and right casing is separately installed with base, on described two wing bases, is provided with folded supporting foot;
Folding type supporting bar, it comprises the first short support bar, the second short support bar, first strut and second strut of drawing money on credit of drawing money on credit,
Described the first short support bar and the second short supports parallel setting, described first strut and second strut of drawing money on credit of drawing money on credit be arranged in parallel, one end of described the first short support bar is movably connected on described left outside shell, the other end is flexibly connected with described the first end of drawing money on credit strut, described first other end of drawing money on credit strut is flexibly connected with the middle part of described the second short support bar, described second short support bar one end is movably connected on described right casing, the other end is flexibly connected with described the second end of drawing money on credit strut, described second other end of drawing money on credit strut is flexibly connected with the middle part of described the first short support bar,
Left curtain core barrel, right curtain core barrel and curtain face, described left curtain core barrel and right curtain core barrel are contained in respectively in described left outside shell and right casing, and the two ends of described curtain face are wound in respectively on described left curtain core barrel and right curtain core barrel;
Snap close, described snap close comprises left lock and the right lock that can cooperatively interact, the two is arranged at respectively on described left outside shell and right casing.
2. projection screen plate according to claim 1, is characterized in that, the top of described left outside shell and right casing is respectively arranged with left end cap and right end cap.
3. projection screen plate according to claim 1, is characterized in that, on described left outside shell, is provided with left support abutment, on described left support abutment, is flexibly connected with a left connection end, and the other end of described left connection end is flexibly connected with described the first short support bar.
4. projection screen plate according to claim 1, is characterized in that, on described right casing, is provided with right support abutment, on described right support abutment, is flexibly connected with a right connection end, and the other end of described right connection end is flexibly connected with described the second short support bar.
5. projection screen plate according to claim 4, is characterized in that, on described right casing, the opposite side relative with described right support abutment is also provided with two relative carrying handle buttons, and described carrying handle is buckled carrying handle is installed.
6. projection screen plate according to claim 1, is characterized in that, in described left curtain core barrel and right curtain core barrel, is respectively arranged with torsion spring, and two sections of described torsion spring are respectively arranged with torsional-spring supported seat.
7. projection screen plate according to claim 1, is characterized in that, described left curtain core barrel two ends are respectively arranged with left pipe plug, and described right curtain core barrel two ends are respectively arranged with right pipe plug.
8. a projection screen plate, is characterized in that, described projection screen plate comprises:
The left outside shell and the right casing that are oppositely arranged, the bottom of described left outside shell and right casing is separately installed with base, on described two wing bases, is provided with folded supporting foot;
Folding type supporting bar, it comprises the first short support bar, the second short support bar, first strut and second strut of drawing money on credit of drawing money on credit,
One end of described the first short support bar and the second short support bar is pivotally connected to a side of described right casing,
Described first draw money on credit one end of strut and the other end of described the first short support bar pivotally connected, described first draw money on credit the other end of strut and the upper end of described left outside shell pivotally connected, described second draw money on credit one end of strut and the other end of described the second short support bar pivotally connected, described second draw money on credit the other end of strut and the lower end of described left outside shell pivotally connected, described first strut and second strut of drawing money on credit of drawing money on credit is arranged in a crossed manner;
Left curtain core barrel, right curtain core barrel and curtain face, described left curtain core barrel and right curtain core barrel are contained in respectively in described left outside shell and right casing, and the two ends of described curtain face are wound in respectively on described left curtain core barrel and right curtain core barrel;
Snap close, described snap close comprises left lock and the right lock that can cooperatively interact, the two is arranged at respectively described left outside shell has on right casing.
9. projection template according to claim 8, is characterized in that, between described the first short support bar and the second short support bar and described right casing, is respectively arranged with extension spring.
10. projection template according to claim 8, it is characterized in that, described the first short support bar and described first is drawn money on credit pivotally connected by the first hinge component between strut, and described the second short support bar and described second is drawn money on credit pivotally connected by the second hinge component between strut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049485.3A CN103838070A (en) | 2014-02-13 | 2014-02-13 | Projection screen board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049485.3A CN103838070A (en) | 2014-02-13 | 2014-02-13 | Projection screen board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103838070A true CN103838070A (en) | 2014-06-04 |
Family
ID=50801732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410049485.3A Pending CN103838070A (en) | 2014-02-13 | 2014-02-13 | Projection screen board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103838070A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842975A (en) * | 2016-06-02 | 2016-08-10 | 潘爱松 | Vertical type projection screen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6249377B1 (en) * | 1997-09-05 | 2001-06-19 | Izumi-Cosmo Co., Ltd. | Portable screen assembly |
| CN2722294Y (en) * | 2004-07-06 | 2005-08-31 | 东莞福新文教用品厂有限公司 | horizontal screen |
| CN101048698A (en) * | 2004-09-17 | 2007-10-03 | 保罗·柯乐比 | Screen assembly |
| CN101419389A (en) * | 2008-11-28 | 2009-04-29 | 广州美视晶莹银幕有限公司 | Portable self-supporting manual-lifting screen |
| CN101885438A (en) * | 2009-05-14 | 2010-11-17 | 宏炬德企业股份有限公司 | retracting device |
| CN202221513U (en) * | 2011-09-26 | 2012-05-16 | 深圳市幕工坊科技有限公司 | Portable business projection screen assembly |
-
2014
- 2014-02-13 CN CN201410049485.3A patent/CN103838070A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6249377B1 (en) * | 1997-09-05 | 2001-06-19 | Izumi-Cosmo Co., Ltd. | Portable screen assembly |
| CN2722294Y (en) * | 2004-07-06 | 2005-08-31 | 东莞福新文教用品厂有限公司 | horizontal screen |
| CN101048698A (en) * | 2004-09-17 | 2007-10-03 | 保罗·柯乐比 | Screen assembly |
| CN101419389A (en) * | 2008-11-28 | 2009-04-29 | 广州美视晶莹银幕有限公司 | Portable self-supporting manual-lifting screen |
| CN101885438A (en) * | 2009-05-14 | 2010-11-17 | 宏炬德企业股份有限公司 | retracting device |
| CN202221513U (en) * | 2011-09-26 | 2012-05-16 | 深圳市幕工坊科技有限公司 | Portable business projection screen assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842975A (en) * | 2016-06-02 | 2016-08-10 | 潘爱松 | Vertical type projection screen |
| CN105842975B (en) * | 2016-06-02 | 2017-12-08 | 潘爱松 | A kind of vertical projection screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8031400B2 (en) | Retractable frame of projection screen | |
| US8469045B2 (en) | Collapsible tent frame | |
| WO2011035270A3 (en) | Foldable stand | |
| US20150359339A1 (en) | Folding chair | |
| US20150225005A1 (en) | Foldable Trolley | |
| US20160000226A1 (en) | Transportable folder-chair | |
| US20150305295A1 (en) | Foldable frame | |
| CN203129700U (en) | Top structure of tent frame | |
| KR20150054374A (en) | Sliding Type Extensible Table | |
| CN103932531A (en) | Foldable sofa bed | |
| CN103838070A (en) | Projection screen board | |
| CN102551568B (en) | Foldable shower room | |
| CN204071261U (en) | Distortion campstool | |
| US7604212B2 (en) | Collapsible frame having a base mechanism | |
| CN204378316U (en) | A kind of portable desk drawing formula in and fold | |
| US9546500B2 (en) | Tent frame | |
| JP2015059400A (en) | Folding-type built-up booth and booth installation method | |
| CN204040514U (en) | A kind of Collapsible rack | |
| CN104665248A (en) | Collapsable folding portable table | |
| CN105971491B (en) | Fold dormitory ladder | |
| KR102473307B1 (en) | Top folding desk | |
| CN205963344U (en) | Long square table of three foldings | |
| CN104622069B (en) | A kind of portable and collapsible Multifunctional bench | |
| US10894629B2 (en) | Collapsible basket set | |
| CN103271540A (en) | Folding table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140604 |