CN103791208A - Screen board support - Google Patents
Screen board support Download PDFInfo
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- CN103791208A CN103791208A CN201410049555.5A CN201410049555A CN103791208A CN 103791208 A CN103791208 A CN 103791208A CN 201410049555 A CN201410049555 A CN 201410049555A CN 103791208 A CN103791208 A CN 103791208A
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- Prior art keywords
- vertical rod
- lower vertical
- timbering
- positioning device
- act
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Abstract
The invention provides a screen board support. The screen board support comprises an upper vertical rod and a lower vertical rod, wherein one end of the upper vertical rod is contained in the lower vertical rod and can slide along the lower vertical rod, a positioning device is fixed at one end of the lower vertical rod and comprises a fixed base, a first adjusting spanner, a handle positioning device and a foldable support base, the fixed base is fixed to the end of the lower vertical rod, the first adjusting spanner is connected with the fixed base through a pivot, and when the first adjusting spanner is located at the original position, the upper vertical rod is locked by the first adjusting spanner; the handle positioning device is arranged on the lower vertical rod in a sliding mode; the foldable support base is arranged at the lower end of the lower vertical rod. The screen board can flexibly adjust the height of a project screen and is firm, reliable, wide in use range and convenient to carry and use.
Description
Technical field
The present invention relates to projection equipment field, relate in particular to a kind of for curtain timbering.
Background technique
Projecting apparatus generally comprises projector and projection screen.Wherein, projector claims again projector, is a kind ofly image or video to be projected to the equipment of showing on projection screen, and it is widely used in the numerous areas such as meeting, teaching, advertisement, exhibition.Due to, when projector carries out projection on projection screen, the two has certain projection position relation.Thereby, in the time carrying out projection, often need the position of projection screen to regulate, thereby bring some inconvenience to user.
Therefore, be necessary to propose a kind of for supporting the curtain timbering of above-mentioned projection screen.
Summary of the invention
The object of the present invention is to provide a kind of curtain timbering.
For achieving the above object, a kind of curtain timbering of the present invention, it comprises:
Upper pright stanchion and lower vertical rod, described upper pright stanchion one end is contained in described lower vertical rod, and can slide along described lower vertical rod, one end of described lower vertical rod is fixed with positioning device, described positioning device comprise the fixed base that is fixed on described lower pole tip and with described fixed base pivotally connected first regulate spanner, when described the first adjusting spanner is positioned at initial position, described first regulates spanner to lock described upper pright stanchion;
Handle positioning device, described handle positioning device slides and is arranged in described lower vertical rod, it comprises: positioning shaft, handle, supporting frame and second regulate spanner, described handle comprises grip part and is positioned at the joint at two ends, described grip part, the two ends of support frame as described above are connected with the two ends of described joint respectively, described positioning shaft two ends are placed through in described joint, described the second adjusting spanner and described positioning shaft are pivotally connected, when described the second adjusting spanner is positioned at initial position, described handle positioning device position is fixed;
Folding bearing, it is arranged at the lower end of described lower vertical rod.
As a further improvement on the present invention, the end of described upper pright stanchion is also provided with long peg and upper tip, and described upper tip is contained in described upper pright stanchion at least partly.
As a further improvement on the present invention, on described long peg and upper tip, be provided with suspension groove.
As a further improvement on the present invention, the end of described upper tip is provided with slide block, on the sidewall of described upper pright stanchion and long peg, offers chute, and described slide block can slide along described chute.
As a further improvement on the present invention, described folding bearing comprises upper rack posts and lower fulcrum bar, and the end pivot of described upper rack posts is connected in described lower vertical rod, and the two ends of described lower fulcrum bar are carried out pivotally connected respectively at end and the upper rack posts of described lower vertical rod.
As a further improvement on the present invention, the described upper rack posts the other end is provided with rubber foot.
As a further improvement on the present invention, on described joint, be also provided with the lining that is positioned at described positioning shaft top.
As a further improvement on the present invention, the lower end of described lower vertical rod is also provided with lower end cap.
Compared with prior art, the invention has the beneficial effects as follows: the height that curtain of the present invention timbering can free adjusting projection screen, it is solid and reliable, and field of employment is extensive, portably uses conveniently.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of an embodiment of curtain timbering of the present invention;
Fig. 2 is the decomposition enlarged diagram of positioning device in Fig. 1;
Fig. 3 is the decomposition enlarged diagram of handle positioning device in Fig. 1.
Embodiment
Below in conjunction with each mode of execution shown in the drawings, the present invention is described in detail; but should be noted that; these mode of executions are not limitation of the present invention; those of ordinary skills are according to these mode of execution 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, curtain timbering 100 of the present invention comprises: upper pright stanchion 10 and lower vertical rod 11, described upper pright stanchion 10 one end are contained in described lower vertical rod 11, and can slide along described lower vertical rod 11, one end of described lower vertical rod 11 is fixed with positioning device 12, described positioning device 12 comprises the fixed base 121 being fixed on described lower vertical rod 11 ends, and the first adjusting spanner 122 pivotally connected with described fixed base 121, when described the first adjusting spanner 122 is positioned at initial position, described first regulates spanner 122 to lock described upper pright stanchion 10, and make that its position is fixing cannot slide.In the time that rotation described first regulates spanner 122, the height of adjustable described upper pright stanchion 10.In addition, the lower end of described lower vertical rod 11 is also provided with lower end cap (not label).
Curtain timbering 100 of the present invention also comprises: handle positioning device 13, and described handle positioning device 13 slides and is arranged in described lower vertical rod 11, and it comprises: positioning shaft 131, handle 132, supporting frame 133 and second regulate spanner 134.Wherein, described handle 132 specifically comprises: grip part 1321 and the joint 1322 that is positioned at 1321 two ends, described grip part, the two ends of support frame as described above 133 are connected with the two ends of described joint 1322 respectively, described positioning shaft 131 two ends are placed through in described joint 1322, and on described joint 1322, are also provided with the lining 17 that is positioned at described positioning shaft 131 tops.Further, described second regulates spanner 134 and described positioning shaft 131 pivotally connected, and when described the second adjusting spanner 134 is positioned at initial position, described handle positioning device 13 positions are fixed.Described handle positioning device 13 can fix with projection screen, in the time unclamping above-mentioned the second adjusting spanner 134, holds described grip part 1321 and projection screen can be launched.
Wherein, the end of described upper pright stanchion 10 is also provided with long peg 14 and upper tip 15, and described upper tip 15 is contained in described upper pright stanchion 10 at least partly.In addition, the end of described upper tip 15 is provided with slide block (not shown), on the sidewall of described upper pright stanchion 10 and long peg 14, offers chute (not shown), and described slide block can slide along described chute.Thereby in use, upper tip 15 can be extracted out, and be 90 ° with upper pright stanchion 10, now the upper end of projection screen can be hung thereon.Preferably, on described long peg 14 and upper tip 15, be provided with the groove that hangs use.The lower end of described lower vertical rod 11 is also provided with folding bearing 16.Particularly, this folding bearing 16 comprises upper rack posts 161 and lower fulcrum bar 162, the end pivot of described upper rack posts 161 is connected in described lower vertical rod 11, and the two ends of described lower fulcrum bar 162 are carried out pivotally connected with end and the upper rack posts 161 of described lower vertical rod 11 respectively.In the time using, deployable described folding bearing 16, thus described upper rack posts 161 supports on the ground.In addition, described upper rack posts 161 the other ends are also provided with rubber foot.
In sum, the height that curtain of the present invention timbering can free adjusting projection screen, it is solid and reliable, and field of employment is extensive, portably uses conveniently.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary 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 rather than 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 character in claim should be considered as limiting related claim.
In addition, be to be understood that, although this specification is described according to mode of execution, but be not that each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technological scheme in each embodiment also can, through appropriately combined, form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (8)
1. a curtain timbering, is characterized in that, described curtain timbering comprises:
Upper pright stanchion and lower vertical rod, described upper pright stanchion one end is contained in described lower vertical rod, and can slide along described lower vertical rod, one end of described lower vertical rod is fixed with positioning device, described positioning device comprise the fixed base that is fixed on described lower pole tip and with described fixed base pivotally connected first regulate spanner, when described the first adjusting spanner is positioned at initial position, described first regulates spanner to lock described upper pright stanchion;
Handle positioning device, described handle positioning device slides and is arranged in described lower vertical rod, it comprises: positioning shaft, handle, supporting frame and second regulate spanner, described handle comprises grip part and is positioned at the joint at two ends, described grip part, the two ends of support frame as described above are connected with the two ends of described joint respectively, described positioning shaft two ends are placed through in described joint, described the second adjusting spanner and described positioning shaft are pivotally connected, when described the second adjusting spanner is positioned at initial position, described handle positioning device position is fixed;
Folding bearing, it is arranged at the lower end of described lower vertical rod.
2. according to claim 1 act of timbering, is characterized in that, the end of described upper pright stanchion is also provided with long peg and upper tip, and described upper tip is contained in described upper pright stanchion at least partly.
3. according to claim 2 act of timbering, is characterized in that, on described long peg and upper tip, is provided with suspension groove.
4. according to claim 2 act of timbering, is characterized in that, the end of described upper tip is provided with slide block, on the sidewall of described upper pright stanchion and long peg, offers chute, and described slide block can slide along described chute.
5. according to claim 1 act of timbering, it is characterized in that, described folding bearing comprises upper rack posts and lower fulcrum bar, and the end pivot of described upper rack posts is connected in described lower vertical rod, and the two ends of described lower fulcrum bar are carried out pivotally connected respectively at end and the upper rack posts of described lower vertical rod.
6. according to claim 5 act of timbering, is characterized in that, the described upper rack posts the other end is provided with rubber foot.
7. according to claim 1 act of timbering, is characterized in that, is also provided with the lining that is positioned at described positioning shaft top on described joint.
8. according to claim 1 act of timbering, is characterized in that, the lower end of described lower vertical rod is also provided with lower end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049555.5A CN103791208A (en) | 2014-02-13 | 2014-02-13 | Screen board support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410049555.5A CN103791208A (en) | 2014-02-13 | 2014-02-13 | Screen board support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103791208A true CN103791208A (en) | 2014-05-14 |
Family
ID=50667134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410049555.5A Pending CN103791208A (en) | 2014-02-13 | 2014-02-13 | Screen board support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103791208A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974726A (en) * | 2016-07-04 | 2016-09-28 | 张家港宝视特影视器材有限公司 | F-shaped portable support screen |
| CN105974725A (en) * | 2016-07-04 | 2016-09-28 | 张家港宝视特影视器材有限公司 | F-shaped adjustable support for projection screen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166246Y (en) * | 2008-01-24 | 2008-12-17 | 胡东伟 | Telescopic brace rod |
| CN201196325Y (en) * | 2008-05-20 | 2009-02-18 | 陆伟明 | Fast locking mechanism for tripod head panel |
| CN201246585Y (en) * | 2008-05-19 | 2009-05-27 | 吕信苗 | Sun umbrella support tripod |
| US20100252695A1 (en) * | 2009-04-03 | 2010-10-07 | Lien-Ming Liu | Collapsible lockable support frame assembly and locking mechanism used therein |
| CN201853058U (en) * | 2010-11-09 | 2011-06-01 | 东莞市澳星视听器材有限公司 | A portable bracket projection screen |
| CN202302588U (en) * | 2011-10-28 | 2012-07-04 | 肖红 | Connection structure of tripod head and support feet |
-
2014
- 2014-02-13 CN CN201410049555.5A patent/CN103791208A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166246Y (en) * | 2008-01-24 | 2008-12-17 | 胡东伟 | Telescopic brace rod |
| CN201246585Y (en) * | 2008-05-19 | 2009-05-27 | 吕信苗 | Sun umbrella support tripod |
| CN201196325Y (en) * | 2008-05-20 | 2009-02-18 | 陆伟明 | Fast locking mechanism for tripod head panel |
| US20100252695A1 (en) * | 2009-04-03 | 2010-10-07 | Lien-Ming Liu | Collapsible lockable support frame assembly and locking mechanism used therein |
| CN201853058U (en) * | 2010-11-09 | 2011-06-01 | 东莞市澳星视听器材有限公司 | A portable bracket projection screen |
| CN202302588U (en) * | 2011-10-28 | 2012-07-04 | 肖红 | Connection structure of tripod head and support feet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974726A (en) * | 2016-07-04 | 2016-09-28 | 张家港宝视特影视器材有限公司 | F-shaped portable support screen |
| CN105974725A (en) * | 2016-07-04 | 2016-09-28 | 张家港宝视特影视器材有限公司 | F-shaped adjustable support for projection screen |
| CN105974725B (en) * | 2016-07-04 | 2017-10-13 | 张家港宝视特影视器材有限公司 | Projection screen F type adjustable supports |
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Application publication date: 20140514 |