CN103645598A - A positioning device based on a projection support - Google Patents
A positioning device based on a projection support Download PDFInfo
- Publication number
- CN103645598A CN103645598A CN201310594226.4A CN201310594226A CN103645598A CN 103645598 A CN103645598 A CN 103645598A CN 201310594226 A CN201310594226 A CN 201310594226A CN 103645598 A CN103645598 A CN 103645598A
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- Prior art keywords
- locating device
- rod
- inner core
- device based
- overcoat
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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 hang rod arranged on the top portion of the rod body. The rod body is provided with several positioning devices. The positioning devices include an outer cover, a rotary knob arranged outside the outer cover, an inner core, an inner liner block, a push pedal and a screw nut. The inner core, the inner liner block, the push pedal and the screw nut are inside the outer cover. The inner core comprises a first accommodating part accommodating the rod body and a second accommodating part according the inner liner block, the push pedal and the screw nut. Screw holes for installing the rotary knobs are arranged on the screw nuts, the inner core, and the outer cover in a corresponding mode. The positioning device of the invention is simple in structure, convenient in installation and dismounting, good in positioning effect and the positioning device is applicable to projection curtains of different lengths.
Description
Technical field
The present invention relates to shadow casting technique field, relate in particular to a kind of locating device based on projection bracket.
Background technology
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 environment for use is had relatively high expectations; conventionally in the brighter situation of surround lighting, needing can be suitable for projected image with the relatively dark dark curtain of color presents; and in the situation that surround 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 comprised of support and curtain volume two parts conventionally, some support liftable regulates height, also some frame bottom is provided with roller, and roll up some as curtain, be to hang on the version that support eminence is pulled out curtain location downwards, some is to be fixed on the version that location was upwards pulled out and hung in support stage casing, certainly also has the versions 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 matters, be necessary to provide a kind of new locating device based on projection bracket.
Summary of the invention
Technical matters to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide a kind of locating 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 locating device based on projection bracket, described projection bracket comprise foot support, with the hard-wired body of rod of foot support and the peg that is positioned at body of rod top, the described body of rod is provided with some locating devices, described locating device comprises the knob of overcoat, overcoat outside and the inner core, pad, push pedal and the nut that are positioned at overcoat inside, described inner core comprises first resettlement section of accommodating the body of rod and second resettlement section of accommodating interior pad, push pedal and nut, described nut, inner core and put correspondence outward and be provided with the screw that knob is installed.
As a further improvement on the present invention, described interior pad is positioned at the second resettlement section of inner core, and the lateral surface of interior pad is the arc of setting corresponding to the body of rod.
As a further improvement on the present invention, described interior pad comprises some reinforcements.
As a further improvement on the present invention, described inner core sidewall is provided with some reinforcements.
As a further improvement on the present invention, described push pedal comprises diapire and is located at diapire both sides and sidewall that diapire is perpendicular, described diapire is between interior pad and nut, and described sidewall is positioned at pad outside, and described interior pad is positioned at the receiving space that diapire and sidewall are enclosed to form.
As a further improvement on the present invention, the described body of rod comprises the outer bar being connected with foot support and the interior bar being connected with outer bar, the mutual sheathed connection of described outer bar and interior bar, outer bar and the sheathed place of interior bar are provided with the first locating device, and described outer bar is provided with the second locating device.
As a further improvement on the present invention, on described the first locating device, be fixedly connected with connecting pipe below inner core, described connecting pipe is sheathed on outer masthead portion.
As a further improvement on the present invention, described the second locating device also comprises the sleeve of being located at overcoat one side, and described sleeve and knob lay respectively on overcoat two sides.
As a further improvement on the present invention, outer the putting in described the second locating device is provided with sleeve mounting hole, and sleeve top is provided with installation portion, and described installation portion is fixedly installed in overcoat inner side by mounting hole.
As a further improvement on the present invention, described foot support comprise the foot support installation portion that is installed on the body of rod, be fixedly installed in upper rack posts on foot support installation portion, 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, and good positioning effect, goes for the projection screen of different length.
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 the first locating device in the present invention's one specific embodiment.
Fig. 3 is the exploded perspective view of the second locating 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, basic structure of the present invention is only described in a schematic way, so it only show the formation relevant with the present invention.
The invention discloses a kind of locating device based on projection bracket, projection bracket comprise foot support, with the hard-wired body of rod of foot support and the peg that is positioned at body of rod top, the body of rod is provided with some locating devices, locating device comprises the knob of overcoat, overcoat outside and the inner core, pad, push pedal and the nut that are positioned at overcoat inside, inner core comprises first resettlement section of accommodating the body of rod and second resettlement section of accommodating interior pad, push pedal and nut, nut, inner core and put correspondence outward and be provided with the screw that knob is installed.Interior pad is positioned at the second resettlement section of inner core, and the lateral surface of interior pad is the arc of setting corresponding to the body of rod.
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 the peg that is positioned at body of rod top.
Foot support comprises foot support installation portion 11, be fixedly installed in upper rack posts 12 on foot support installation portion, 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 to more than 3 in other embodiments.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, bar and the sheathed place of interior bar are provided with the first locating device 31 outside, and the second locating device 32 is installed on bar outside.Outer bar and interior pole length can regulate as required, then adopt the first locating device to be fixed, thereby can need to regulate the length of the body of rod according to different projections.
Shown in ginseng Fig. 2, the first locating device 31 comprises the knob (not shown) of overcoat 312, overcoat 312 outsides and the inner core 311, pad 313, push pedal 314 and the nut 315 that are positioned at overcoat 312 inside, inner core 311 comprises first resettlement section of accommodating the body of rod and second resettlement section of accommodating interior pad, push pedal and nut, and the first resettlement section one-piece construction is right cylinder.At nut, inner core and put correspondence outward and be provided with the screw that knob is installed.
Further, the lateral surface of interior pad 313 is the arc of setting corresponding to the body of rod, and when inner core 311 is sheathed on the body of rod, lateral surface and the body of rod of interior pad 313 are bonded to each other, keeps enough friction force for location.
Further, be fixedly connected with connecting pipe 316 on the first locating device 31 below inner core 311, connecting pipe 316 is sheathed on outer masthead portion, can better outer bar and interior bar be fixed.
During installation, first interior pad 313, push pedal 314 and nut 315 are installed in inner core 311, and overcoat 312 is sheathed on to inner core 311 outsides, then integral body is sheathed on interior bar and the sheathed place of outer bar, connecting pipe 315 is sheathed on to the outside of outer bar, then nut, inner core and the screw that puts are outward aimed at, knob is installed in screw.
During use, first knob is screwed out, now between interior pad and interior bar, have certain interval, pole length in regulating, then screws knob, and in push pedal promotes, pad inwardly moves, until interior pad and interior bar close contact reach locating effect.
Shown in ginseng Fig. 3, the first locating device 32 comprises the knob (not shown) of overcoat 322, overcoat 322 outsides and the inner core 321, pad 323, push pedal 324 and the nut 325 that are positioned at overcoat 322 inside, inner core 321 comprises first resettlement section of accommodating the body of rod and second resettlement section of accommodating interior pad, push pedal and nut, and the first resettlement section one-piece construction is right cylinder.At nut, inner core and put correspondence outward and be provided with the screw that knob is installed.
Further, the lateral surface of interior pad 323 is the arc of setting corresponding to the body of rod, and when inner core 321 is sheathed on the body of rod, lateral surface and the body of rod of interior pad 323 are bonded to each other, keeps enough friction force for location.
Further, the second locating device 32 also comprises the sleeve 326 of being located at overcoat one side, and sleeve 326 and knob lay respectively on overcoat 322 two sides.Overcoat 322 is provided with sleeve mounting hole, and sleeve top is provided with installation portion, and installation portion is fixedly installed in overcoat inner side by sleeve mounting hole.Sleeve 326 is for the fixing lower end of projection screen.
During installation, first interior pad 323, push pedal 324 and nut 325 are installed in inner core 321, sleeve pipe 326 is set on overcoat 322 simultaneously, overcoat 322 and sleeve pipe 326 are sheathed on to inner core 321 outsides, then integral body is sheathed on outer bar, finally nut, inner core and the screw that puts are outward aimed at, knob is installed in screw.
During use, first knob is screwed out, now between interior pad and interior bar, have certain interval, regulate the height of the second locating device, then screw knob, in push pedal promotes, pad inwardly moves, until interior pad and interior bar close contact reach locating effect.
Preferably, inner core and interior pad side can be set to plane, also can be set to hollow out, only by reinforcement, support, as cross reinforcement etc., easily manufactured and intensity is high.
In the present embodiment, the body of rod only comprises two sections, and locating device comprises two, and in other embodiments, the hop count of the body of rod and the quantity of locating device also can be set to more than two.
By above embodiment, can be found out, the positioning device structure based on projection bracket of the present invention is simple, manufacture, installation and convenient disassembly, and good positioning effect, goes for the projection screen of different length.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within 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 instructions, must determine its technical scope according to claim scope.
Claims (10)
1. the locating device based on projection bracket, described projection bracket comprise foot support, with the hard-wired body of rod of foot support and the peg that is positioned at body of rod top, the described body of rod is provided with some locating devices, it is characterized in that, described locating device comprises the knob of overcoat, overcoat outside and the inner core, pad, push pedal and the nut that are positioned at overcoat inside, described inner core comprises first resettlement section of accommodating the body of rod and second resettlement section of accommodating interior pad, push pedal and nut, described nut, inner core and put correspondence outward and be provided with the screw that knob is installed.
2. the locating device based on projection bracket according to claim 1, is characterized in that, described interior pad is positioned at the second resettlement section of inner core, and the lateral surface of interior pad is the arc of setting corresponding to the body of rod.
3. the locating device based on projection bracket according to claim 2, is characterized in that, described interior pad comprises some reinforcements.
4. the locating device based on projection bracket according to claim 1, is characterized in that, described inner core sidewall is provided with some reinforcements.
5. the locating device based on projection bracket according to claim 1, it is characterized in that, described push pedal comprises diapire and is located at diapire both sides and sidewall that diapire is perpendicular, described diapire is between interior pad and nut, described sidewall is positioned at pad outside, and described interior pad is positioned at the receiving space that diapire and sidewall are enclosed to form.
6. the locating device based on projection bracket according to claim 1, it is characterized in that, the described body of rod comprises the outer bar being connected with foot support and the interior bar being connected with outer bar, the mutual sheathed connection of described outer bar and interior bar, outer bar and the sheathed place of interior bar are provided with the first locating device, and described outer bar is provided with the second locating device.
7. the locating device based on projection bracket according to claim 6, is characterized in that, on described the first locating device, is fixedly connected with connecting pipe below inner core, and described connecting pipe is sheathed on outer masthead portion.
8. the locating device based on projection bracket according to claim 6, is characterized in that, described the second locating device also comprises the sleeve of being located at overcoat one side, and described sleeve and knob lay respectively on overcoat two sides.
9. the locating device based on projection bracket according to claim 8, is characterized in that, outer the putting in described the second locating device is provided with sleeve mounting hole, and sleeve top is provided with installation portion, and described installation portion is fixedly installed in overcoat inner side by mounting hole.
10. the locating device based on projection bracket according to claim 1, it is characterized in that, described foot support comprises the foot support installation portion that is installed on the body of rod, be fixedly installed in upper rack posts on foot support installation portion, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594226.4A CN103645598A (en) | 2013-11-21 | 2013-11-21 | A positioning device based on a projection support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594226.4A CN103645598A (en) | 2013-11-21 | 2013-11-21 | A positioning device based on a projection support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103645598A true CN103645598A (en) | 2014-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310594226.4A Pending CN103645598A (en) | 2013-11-21 | 2013-11-21 | A positioning device based on a projection support |
Country Status (1)
| Country | Link |
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| CN (1) | CN103645598A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270752A (en) * | 2021-04-19 | 2021-08-17 | 深圳市创杰峰控制科技有限公司 | Efficient I/O signal switching module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2076179A (en) * | 1980-05-20 | 1981-11-25 | Mekania Verken Ab | Projection Screen Assembly |
| CN2327827Y (en) * | 1998-02-24 | 1999-07-07 | 杨进来 | Improved joints of rack body |
| CN201714758U (en) * | 2010-07-08 | 2011-01-19 | 童博 | Plug-in rod fixing device |
| CN102927420A (en) * | 2012-10-26 | 2013-02-13 | 张家港市欣达丰机电制造有限公司 | Bracket |
| CN203178664U (en) * | 2013-02-28 | 2013-09-04 | 杭州先锐数码科技有限公司 | Screen frame |
| CN203535373U (en) * | 2013-11-21 | 2014-04-09 | 江苏红叶视听器材股份有限公司 | Positioning device based on projection support |
-
2013
- 2013-11-21 CN CN201310594226.4A patent/CN103645598A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2076179A (en) * | 1980-05-20 | 1981-11-25 | Mekania Verken Ab | Projection Screen Assembly |
| CN2327827Y (en) * | 1998-02-24 | 1999-07-07 | 杨进来 | Improved joints of rack body |
| CN201714758U (en) * | 2010-07-08 | 2011-01-19 | 童博 | Plug-in rod fixing device |
| CN102927420A (en) * | 2012-10-26 | 2013-02-13 | 张家港市欣达丰机电制造有限公司 | Bracket |
| CN203178664U (en) * | 2013-02-28 | 2013-09-04 | 杭州先锐数码科技有限公司 | Screen frame |
| CN203535373U (en) * | 2013-11-21 | 2014-04-09 | 江苏红叶视听器材股份有限公司 | Positioning device based on projection support |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270752A (en) * | 2021-04-19 | 2021-08-17 | 深圳市创杰峰控制科技有限公司 | Efficient I/O signal switching module |
| CN113270752B (en) * | 2021-04-19 | 2022-09-13 | 深圳市创杰峰控制科技有限公司 | I/O signal switching module |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140319 |