CN103791210A - Positioning device based on projection support - Google Patents

Positioning device based on projection support Download PDF

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Publication number
CN103791210A
CN103791210A CN201410050483.6A CN201410050483A CN103791210A CN 103791210 A CN103791210 A CN 103791210A CN 201410050483 A CN201410050483 A CN 201410050483A CN 103791210 A CN103791210 A CN 103791210A
Authority
CN
China
Prior art keywords
handle
positioning device
device based
limiting board
projection bracket
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
Application number
CN201410050483.6A
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Chinese (zh)
Inventor
姜国梁
沈瑜
沈姣
陶春燕
姜茂德
陈浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Redleaf Audio and Visual Equipment Co Ltd
Original Assignee
Jiangsu Redleaf Audio and Visual Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Redleaf Audio and Visual Equipment Co Ltd filed Critical Jiangsu Redleaf Audio and Visual Equipment Co Ltd
Priority to CN201410050483.6A priority Critical patent/CN103791210A/en
Publication of CN103791210A publication Critical patent/CN103791210A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a positioning device based on a projection support. The projection support comprises a foot support, a rod body fixedly installed on the foot support and a hanging rod located on the top of the rod body. A plurality of positioning device bodies are arranged on the rod body, and each positioning device body comprises a handle, a handle mounting base where the handle is fixedly installed, a limiting plate movably installed on the handle and the handle mounting base, and a compression spring arranged on the limiting plate. The positioning device is simple in structure, convenient to manufacture, install and detach and good in positioning effect.

Description

A kind of positioning device based on projection bracket
Technical field
The present invention relates to shadow casting technique field, relate in particular to a kind of positioning device based on projection bracket.
Background technique
Projector is a kind of conventional office equipment in office space, the video display during for meeting or teaching.Conventional projector is mostly used the curtain device of single side; illumination condition under Environmental Conditions is had relatively high expectations; conventionally in the brighter situation of environment lighting, needing can be suitable for projection image with the relatively dark dark curtain of color presents; and in the situation that environment lighting is darker the relatively shallow curtain of applicable color, or adopt white bright type curtain more suitable.
General projection screen device, particularly field relocatable projection screen device is all made up of support and curtain volume two-part conventionally, some support lifting regulates height, also some frame bottom is provided with roller, to hang on the structural type that support eminence pulls out curtain downwards and locates and roll up some as curtain, some is the structural type that is fixed on support stage casing and upwards pulls out and hang location, certainly also has the structural types such as layback location.All this kind all only has relatively single application structure, has caused the multiplex limitation of projection screen device, uses projector to bring trouble to user under different illumination conditions.
In view of this,, for above-mentioned technical problem, be necessary to provide a kind of new positioning device based on projection bracket.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide a kind of positioning device based on projection bracket exactly, and it is simple in structure, easy to use.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of positioning device based on projection bracket, described projection bracket comprises foot support, with the hard-wired body of rod of foot support and be positioned at the peg at body of rod top, the described body of rod is provided with some positioning devices, described positioning device comprise handle, with the hard-wired handle fitting seat of handle, be movably installed in the limiting board on handle and handle fitting seat and be located at the stage clip on limiting board.
As a further improvement on the present invention, on described handle, handle fitting seat and limiting board, be respectively equipped with penetration hole, the described body of rod runs through to be located in described penetration hole.
As a further improvement on the present invention, the penetration hole on described limiting board is greater than the penetration hole on handle and handle fitting seat.
As a further improvement on the present invention, the penetration hole on described limiting board is provided with abutting part being positioned at handle fitting seat one side.
As a further improvement on the present invention, the button being fixedly connected with limiting board is installed on described handle, described button promotes limiting board and moves on axis.
As a further improvement on the present invention, described handle mounting part is provided with blocked part, and described limiting board is provided with the limited part corresponding with blocked part.
As a further improvement on the present invention, described handle mounting part is provided with hard-wired link.
As a further improvement on the present invention, described link comprise be located at handle mounting part outside overcoat and spanner, be located at the packing ring of handle mounting part inner side, described overcoat, spanner and packing ring are mutually fixedly set.
As a further improvement on the present invention, described foot support comprise the foot support assembly department that is installed on the body of rod, be fixedly installed in upper rack posts on foot support assembly department, be fixedly installed in the lower end cap of body of rod bottom and be fixedly installed in lower end cap and upper rack posts on lower fulcrum bar.
The invention has the beneficial effects as follows, the positioning device structure based on projection bracket of the present invention is simple, manufacture, installation and convenient disassembly, good positioning effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of projection bracket in the present invention's one specific embodiment.
Fig. 2 is the exploded perspective view of positioning device in the present invention's one specific embodiment.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
The invention discloses a kind of positioning device based on projection bracket, projection bracket comprises foot support, with the hard-wired body of rod of foot support and be positioned at the peg at body of rod top, the body of rod is provided with some positioning devices, positioning device comprise handle, with the hard-wired handle fitting seat of handle, be movably installed in the limiting board on handle and handle fitting seat and be located at the stage clip on limiting board.
Fig. 1 is the structural representation of projection bracket in the present invention's one specific embodiment.
In the present embodiment projection bracket comprise foot support, with the hard-wired body of rod of foot support and be positioned at the peg at body of rod top.
Foot support comprises foot support assembly department 11, be fixedly installed in upper rack posts 12 on foot support assembly department, be fixedly installed in the lower end cap 13 of body of rod bottom and be fixedly installed in lower end cap and upper rack posts on lower fulcrum bar 14.In the present embodiment, the quantity correspondence of upper rack posts 12 and lower fulcrum bar 14 is set to 3, can meet fixing effect, certainly also can be set in other embodiments more than 3.Lower fulcrum bar can further be strengthened fixing to upper rack posts, guarantee the stability of foot support.
The body of rod comprises the outer bar 21 being connected with foot support and the interior bar 22 being connected with outer bar, the mutual sheathed connection of outer bar and interior bar.Wherein, be arranged with outside positioning device 31 on bar, positioning device 31 can carry out up-down adjustment according to different demands.
Shown in ginseng Fig. 2, in the present embodiment positioning device comprise handle 311, with the hard-wired handle fitting seat 312 of handle 311, be movably installed on handle 311 and handle fitting seat 312 limiting board 313 and be located at the stage clip 314 on limiting board, further, on handle 311, be also provided with button 315, button 315 is fixedly connected with limiting board 313.
On handle 311, handle fitting seat 312 and limiting board 313, be respectively equipped with the first penetration hole 3111, the second penetration hole 3121 and the 3rd penetration hole 3131, the first penetration hole 3111, the second penetration hole 3121 and the 3rd penetration hole 3131 corresponding setting respectively, the body of rod runs through to be located in each penetration hole.
The setting corresponding to the shape of the body of rod of the shape of penetration hole, as in the present embodiment, the body of rod is shaped as square, the shape of penetration hole also correspondence is set to square, wherein, the size of the 3rd penetration hole 3131 is slightly larger than the size of the first penetration hole 3111 and the second penetration hole 3121, and the body of rod can be movable within the specific limits in the 3rd penetration hole 3131.
The 3rd penetration hole 3131 on limiting board 313 is provided with abutting part 3133 being positioned at handle fitting seat one side, and in the time that stage clip 314 resets, abutting part 3133 is connected to body of rod surface, can position.
Handle mounting part 312 is provided with blocked part 3122, and limiting board 313 is provided with the limited part corresponding with blocked part 3,122 3132, and blocked part 3122 can be carried out by limited part 3132 spacing to limiting board 312, prevent that limiting board from coming off.
Handle mounting part 312 is provided with hard-wired link, link comprise be located at handle mounting part outside overcoat 3162 and spanner 3161, be located at the packing ring 3163 of handle mounting part inner side and be located at the extension spring 3164 in spanner 3161, overcoat, spanner and packing ring are mutually fixedly set.The effect of link is the lower end of fixing projection screen, by adjusting the height of positioning device, the height of controlling projection curtain effectively.
In the present embodiment, the installation and removal process of positioning device is as follows:
When installation, first by the handle in positioning device, handle mounting part and limiting board fixed installation, press the button, limiting board is pushed away to one end distance, then the body of rod is inserted in the penetration hole of handle, handle mounting part and limiting board, Panasonic's button, limiting board resets under stage clip effect, abutting part on limiting board is connected on the body of rod, reaches the effect of location.
When dismounting, press the button, make abutting part depart from the body of rod, then positioning device moved on the body of rod or dismantle, can reach object mobile or dismounting.
Can be found out by above mode of execution, the positioning device structure based on projection bracket of the present invention is simple, manufacture, installation and convenient disassembly, good positioning effect.
Take above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to claim scope.

Claims (9)

1. the positioning device based on projection bracket, described projection bracket comprises foot support, with the hard-wired body of rod of foot support and be positioned at the peg at body of rod top, the described body of rod is provided with some positioning devices, it is characterized in that, described positioning device comprise handle, with the hard-wired handle fitting seat of handle, be movably installed in the limiting board on handle and handle fitting seat and be located at the stage clip on limiting board.
2. the positioning device based on projection bracket according to claim 1, is characterized in that, on described handle, handle fitting seat and limiting board, is respectively equipped with penetration hole, and the described body of rod runs through to be located in described penetration hole.
3. the positioning device based on projection bracket according to claim 2, is characterized in that, the penetration hole on described limiting board is greater than the penetration hole on handle and handle fitting seat.
4. the positioning device based on projection bracket according to claim 3, is characterized in that, the penetration hole on described limiting board is provided with abutting part being positioned at handle fitting seat one side.
5. the positioning device based on projection bracket according to claim 1, is characterized in that, the button being fixedly connected with limiting board is installed on described handle, and described button promotes limiting board and moves on axis.
6. the positioning device based on projection bracket according to claim 1, is characterized in that, described handle mounting part is provided with blocked part, and described limiting board is provided with the limited part corresponding with blocked part.
7. the positioning device based on projection bracket according to claim 1, is characterized in that, described handle mounting part is provided with hard-wired link.
8. the positioning device based on projection bracket according to claim 7, it is characterized in that, described link comprise be located at handle mounting part outside overcoat and spanner, be located at the packing ring of handle mounting part inner side, described overcoat, spanner and packing ring are mutually fixedly set.
9. the positioning device based on projection bracket according to claim 1, it is characterized in that, described foot support comprises the foot support assembly department that is installed on the body of rod, be fixedly installed in upper rack posts on foot support assembly department, be fixedly installed in the lower end cap of body of rod bottom and be fixedly installed in lower end cap and upper rack posts on lower fulcrum bar.
CN201410050483.6A 2014-02-13 2014-02-13 Positioning device based on projection support Pending CN103791210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410050483.6A CN103791210A (en) 2014-02-13 2014-02-13 Positioning device based on projection support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410050483.6A CN103791210A (en) 2014-02-13 2014-02-13 Positioning device based on projection support

Publications (1)

Publication Number Publication Date
CN103791210A true CN103791210A (en) 2014-05-14

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CN201410050483.6A Pending CN103791210A (en) 2014-02-13 2014-02-13 Positioning device based on projection support

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201236866Y (en) * 2008-07-18 2009-05-13 深圳市白雪投影银幕有限公司 Locking mechanism of expansion member
CN201438255U (en) * 2009-09-08 2010-04-14 东莞市澳星视听器材有限公司 Screen structure with foldable support bracket
US20110031357A1 (en) * 2009-08-05 2011-02-10 Marcin Gawelek Articulating Mount
CN201853058U (en) * 2010-11-09 2011-06-01 东莞市澳星视听器材有限公司 Portable support projection screen
CN201853059U (en) * 2010-11-11 2011-06-01 东莞市澳星视听器材有限公司 Projection screen with horizontal-opening bracket
CN202937982U (en) * 2012-10-26 2013-05-15 张家港市欣达丰机电制造有限公司 Bracket

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201236866Y (en) * 2008-07-18 2009-05-13 深圳市白雪投影银幕有限公司 Locking mechanism of expansion member
US20110031357A1 (en) * 2009-08-05 2011-02-10 Marcin Gawelek Articulating Mount
CN201438255U (en) * 2009-09-08 2010-04-14 东莞市澳星视听器材有限公司 Screen structure with foldable support bracket
CN201853058U (en) * 2010-11-09 2011-06-01 东莞市澳星视听器材有限公司 Portable support projection screen
CN201853059U (en) * 2010-11-11 2011-06-01 东莞市澳星视听器材有限公司 Projection screen with horizontal-opening bracket
CN202937982U (en) * 2012-10-26 2013-05-15 张家港市欣达丰机电制造有限公司 Bracket

Cited By (1)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20140514