CN103149776A - Photoflood lamp light changing device - Google Patents
Photoflood lamp light changing device Download PDFInfo
- Publication number
- CN103149776A CN103149776A CN2013100219207A CN201310021920A CN103149776A CN 103149776 A CN103149776 A CN 103149776A CN 2013100219207 A CN2013100219207 A CN 2013100219207A CN 201310021920 A CN201310021920 A CN 201310021920A CN 103149776 A CN103149776 A CN 103149776A
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- support bar
- auxiliary support
- changing light
- photography luminaire
- luminaire device
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Abstract
The invention provides a photoflood lamp light changing device. The photoflood lamp light changing device comprises a base seat, a plurality of supporting rods and light reflection covers. The plurality of the supporting rods are connected with the upper surface of the base seat. The number of the supporting rods is more that 3. The upper surfaces of the supporting rods are covered by the light reflection covers. The light reflection covers between the two supporting rods are in a ladder shape when the light reflection covers are spreaded. The upper bottoms of the ladder-shaped reflection covers are close to the base seat end. The plurality of the supporting rods are movably connected with the base seat. Each supporting rod corresponds to a folded auxiliary supporting rod. The folded auxiliary supporting rod plays a supporting role to the supporting rods when the whole device in an unfolded state. The folded auxiliary supporting rod is composed of a first auxiliary supporting rod connected with the base seat and a second auxiliary supporting rod connected with the supporting rods. The photoflood lamp light changing device is convenient to strut or contract. Size can be reduced. The photoflood lamp light changing device is convenient to carry.
Description
Technical field
The present invention relates to a kind of photography luminaire device for changing light of the use of photographing.
Background technology
The photography luminaire device for changing light is photography change optical tool commonly used, has the functions such as the light source of expansion area, the soft light of construction.The comparatively common product of existing photography luminaire device for changing light has soft box, it comprises a base that is used for the fixed support bar, many support bars are located on base, and by many they sup-port and the reflection shield of opening at one end, are provided with sheen cloth over against bottom light source at the reflection shield opening part.After its many support bars of the photography luminaire device for changing light of said structure supported reflection shield, volume was large, carries very inconvenient.In order to solve photography luminaire device for changing light technical matters easy to carry, industry has adopted is arranged to detachable block with many support bars, base, reflection shield, sheen cloth, during use, all parts is installed together, when not using, all parts is disassembled, can with photography luminaire device for changing light volume-diminished, be convenient for carrying.But because the photography luminaire device for changing light is installed, the operation easier of dismounting is large, cause the process installing, dismantle consuming time very long, complicated operation.
Summary of the invention
For the technical matters that prior art exists, the technical problem to be solved in the present invention is to provide a kind of convenience with the photography luminaire device for changing light of volume-diminished.
In order to solve the problems of the technologies described above, the present invention is realized by following technical scheme.
a kind of photography luminaire device for changing light, comprise base, many support bars and reflection shield, connect many support bars above base, the number of support bar is more than 3, the they sup-port reflection shield, reflection shield between two support bars is trapezoidal shape when strutting, and the upper base of this trapezoidal reflection shield is near base, many support bars are movably connected on base, wherein, the corresponding folding auxiliary support bar of described every support bar, folding auxiliary support bar is played a supporting role to support bar when whole device softened state, folding auxiliary support bar plays contraction to support bar when whole device contraction state, should be formed with the second auxiliary support bar that is connected with support bar by the first auxiliary support bar that is connected with base by folding auxiliary support bar.Auxiliary support bar all is connected with base with support bar, if base is circular, auxiliary support bar is positioned at more close circle centre position, distance size both is associated with whole photography luminaire device for changing light, wherein when the length of support bar is 1 meter, both on base the distance of junction take less than 10 centimetres as good, wherein 5 centimetres of left and right are exactly a good selection.
Further improvement as above-mentioned photography luminaire device for changing light, described photography luminaire device for changing light also comprises a sheen cloth, this sheen cloth is used for hiding the position of wide mouth at the photography luminaire device for changing light, light sends through penetrating after sheen cloth in the photography luminaire device for changing light, is undertaken bonding by VELCRO between the reflection shield of sheen cloth and position of wide mouth.
As the further improvement of above-mentioned photography luminaire device for changing light, be connected by the rotating shaft part between the first auxiliary support bar of described folding auxiliary support bar and the second auxiliary support bar or by being hinged and connected.
As the further improvement of above-mentioned photography luminaire device for changing light, between described support bar and base, between folding auxiliary support bar and base and be all to be connected by the rotating shaft part between folding auxiliary support bar and support bar.
As the further improvement of above-mentioned photography luminaire device for changing light, described rotating shaft part is for being comprised of movable plate in the middle of two intermediate plates, two intermediate plates and a axle that the movable plate of two intermediate plates and its centre is coupled together.
As the further improvement of above-mentioned photography luminaire device for changing light, described folding auxiliary support bar has a projection near the first auxiliary support bar and the second auxiliary support bar junction.This projection is convenient, and External Force Acting is on folding auxiliary support bar when propping up or shrink whole device for changing light, and folding supplemental support pole pair support bar plays supporting function, and support bar supports reflection shield.
As the further improvement of above-mentioned photography luminaire device for changing light, described projection is positioned on the second auxiliary support bar, and is that sheet is semicircle or cylindrical.
As the further improvement of above-mentioned photography luminaire device for changing light, described support bar and coupled folding auxiliary support bar are in same plane, and the folding movement of folding auxiliary support bar is also carried out in this plane.Can be laborsaving in same plane, also can make the longer service life of connecting portion simultaneously.
Further improvement as above-mentioned photography luminaire device for changing light, described folding auxiliary support bar is when the support bar to its connection is in complete status of support, the angle towards support bar that the first auxiliary support bar and the second auxiliary support bar form, its angle is more than or equal to 180 degree, less than or equal to 210 degree.during contraction state this angle is less than 180 degree, also may be less than 90 degree, and when this angle is that 180 folding auxiliary support bars when spending become a straight-bar, just can reach the reasonable support effect of support bar this moment, during contraction state, described angle is less than 180 degree, when this angle is spent greater than 180, at reflection shield, make the strength that enlarges this angle trend larger under the effect of the tension force of support bar, the position limiting structure of the first auxiliary support bar of the folding auxiliary support bar of requirement this moment and the junction of the second auxiliary support bar can sustain these external force, if shrink this device for changing light, need to have under enough large opposite power effect and just can realize, the opposing force that needs reaches 180 these theoretic critical points of degree in above-mentioned angle, make the power of whole device self generation contraction just become increase tendency after less than 180 degree, so when this angle is spent greater than 180, the supporting construction of whole device is more stable.
Further improvement as above-mentioned photography luminaire device for changing light, be connected by the rotating shaft part between the first auxiliary support bar on described folding auxiliary support bar and the second auxiliary support bar, width between two intermediate plates of this rotating shaft part is more than or equal to the width of support bar, and the front end of two intermediate plates has one section extension near a side of support bar, and this extension can be included support bar in this expanded range in when folding auxiliary support bar is in the complete status of support of support bar.Not adopting this structure has been also extraordinary supporting construction, if adopt such supporting construction may be more stable, is difficult under the effect of external force and makes whole supporting construction distortion; If the angle towards support bar that this moment, the first auxiliary support bar and the second auxiliary support bar formed is spent greater than 180, its support effect is better.
beneficial effect of the present invention is, many support bars are movably connected on base, every support bar is also to there being a dimeric folding auxiliary support bar, the characteristics of folding auxiliary support bar are to fold, folding or support by folding auxiliary support bar, support bar can reach folding to its reflection shield that covers above or support, the reflection shield that many support bars can be reached by many they sup-port when folding draws in together, the volume of such photography luminaire device for changing light dwindles greatly, be convenient for carrying, during use, to fold auxiliary support bar and be in holding state, support bar to its connection becomes status of support, reflection shield by many they sup-port when the folding auxiliary support bar of many calcaneus branches strut all is in status of support struts, support or the shrinkage operation of whole like this device are simple, and whole device takes up room little when packing up.
Description of drawings
Fig. 1 is the structural representation of the complete softened state of the present invention
Fig. 2 is the structural representation of part contraction state of the present invention
Fig. 3 is the structural representation that the present invention shrinks complete state
Fig. 4 is the structural representation that the present invention shrinks bundle status
Fig. 5 is that the present invention struts the structural representation that hides sheen cloth state fully
Fig. 6 is the structure enlarged diagram at Figure 1A place
Fig. 7 is the cross-sectional view of Fig. 2
Fig. 8 is the structural representation that Fig. 4 removes reflection shield
Wherein: 1 base; 2 support bars; 3 reflection shields; 4 first auxiliary support bars; 5 second auxiliary support bars; 6 sheen cloth; 10 projections; 11 movable plates; 12 intermediate plates; 13 axles.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present invention in a schematic way, so it only shows the basic comprising relevant with the present invention.
as Fig. 1 to a kind of photography luminaire device for changing light shown in Figure 8, comprise base 1, many support bars 2 and reflection shield 3, connect many support bars 2 above base 1, the number of support bar 2 is four, be covered with reflection shield 3 above many support bars 2, reflection shield 3 between two support bars 2 is trapezoidal shape when strutting, and the upper base of this trapezoidal reflection shield 3 is near base 1, four support bars 2 are connected on base 1 by the rotating shaft part, wherein, every corresponding folding auxiliary support bar of support bar 2, should be formed by collapsible the linking together of rotating shaft part with the second auxiliary support bar 5 that is connected with support bar 2 by the first auxiliary support bar 4 that is connected with base 1 by folding auxiliary support bar.As shown in Figure 5, the position of wide mouth of photography luminaire device for changing light can also block a sheen cloth 6 when complete softened state, light sends through penetrating after sheen cloth 6 in the photography luminaire device for changing light, undertaken bondingly between the reflection shield 3 of sheen cloth and position of wide mouth by VELCRO, Fig. 5 is the constitutional diagram that adds sheen cloth.Folding auxiliary support bar has a projection 10 near the first auxiliary support bar 4 and the second auxiliary support bar 5 junctions, be specially sheet half-circle projection 10 and be positioned on the second auxiliary support bar 5.Support bar 2 and coupled folding auxiliary support bar are in same plane, and the folding movement of folding auxiliary support bar also carries out in this plane, in Fig. 1 to Fig. 4, have embodied four kinds of states during the present invention uses, the complete softened state of Fig. 1; Fig. 2 part contraction state; Fig. 3 shrinks complete state; The state that Fig. 4 bundlees.Above-mentioned four kinds of states can embody the softened state procedure chart, also can embody the contraction state procedure chart.
Fig. 6 is the enlarged drawing at A place in Fig. 1, Fig. 7 is the cross-sectional view of Fig. 2, can find out between support bar 2 and base 1 from Fig. 6, Fig. 7, be flexibly connected by the rotating shaft part being connected all between support bar 2 and folding auxiliary support bar, between folding auxiliary support bar and base 1 and between the first auxiliary support bar 4 in folding auxiliary support bar and the second auxiliary support bar 5.The basic structure of each rotating shaft part is for being comprised of movable plate 11 in the middle of two intermediate plates 12, two intermediate plates 12 and a axle 13 that two intermediate plates 12 and movable plate 11 in the middle of it are coupled together.Width between two intermediate plates 12 of rotating shaft part is more than or equal to the width of support bar 2, the first auxiliary support bar 4 in folding auxiliary support bar and the front end of two intermediate plate 12 of connection rotating shaft spare between the second auxiliary support bar 5 have one section extension 14, and this extension 14 can be included support bar in this expanded range in when folding auxiliary support bar is in the complete holding state of support bar.It can also be seen that from Fig. 6, folding auxiliary support bar is when the support bar 2 to its connection is in complete holding state, and the first auxiliary support bar 4 and the second auxiliary support bar 5 form the angle towards support bar 2, and its angle is greater than 180 degree.Fig. 8 is the structural representation that Fig. 4 removes reflection shield.
These are only better case study on implementation of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. photography luminaire device for changing light, comprise base, many support bars and reflection shield, connect many support bars above base, the number of support bar is more than 3, the they sup-port reflection shield, reflection shield between two support bars is trapezoidal shape when strutting, and the upper base of this trapezoidal reflection shield is near base, many support bars are movably connected on base, wherein, the corresponding folding auxiliary support bar of described every support bar, folding auxiliary support bar is played a supporting role to support bar when whole device softened state, folding auxiliary support bar plays contraction to support bar when whole device contraction state, should be formed with the second auxiliary support bar that is connected with support bar by the first auxiliary support bar that is connected with base by folding auxiliary support bar.
2. photography luminaire device for changing light according to claim 1, it is characterized in that: described photography luminaire device for changing light also comprises a sheen cloth, this sheen cloth is used for hiding the position of wide mouth at the photography luminaire device for changing light, light sends through penetrating after sheen cloth in the photography luminaire device for changing light, is undertaken bonding by VELCRO between the reflection shield of sheen cloth and position of wide mouth.
3. photography luminaire device for changing light according to claim 1 is characterized in that: be connected by the rotating shaft part between the first auxiliary support bar of described folding auxiliary support bar and the second auxiliary support bar or by being hinged and connected.
4. photography luminaire device for changing light according to claim 1 is characterized in that: between described support bar and base, between folding auxiliary support bar and base and be all to be connected by the rotating shaft part between folding auxiliary support bar and support bar.
5. according to claim 3 or 4 described photography luminaire device for changing light is characterized in that: described rotating shaft part is for being comprised of movable plate in the middle of two intermediate plates, two intermediate plates and a axle that the movable plate of two intermediate plates and its centre is coupled together.
6. according to claim 1,2,3 or 4 described photography luminaire device for changing light, it is characterized in that: described folding auxiliary support bar has a projection near the first auxiliary support bar and the second auxiliary support bar junction.
7. photography luminaire device for changing light according to claim 6, it is characterized in that: described projection is positioned on the second auxiliary support bar, and is that sheet is semicircle or cylindrical.
8. according to claim 1,2,3 or 4 described photography luminaire device for changing light, it is characterized in that: described support bar and coupled folding auxiliary support bar are in same plane, and the folding movement of folding auxiliary support bar is also carried out in this plane.
9. photography luminaire device for changing light according to claim 8, it is characterized in that: described folding auxiliary support bar is when the support bar to its connection is in complete status of support, the angle towards support bar that the first auxiliary support bar and the second auxiliary support bar form, its angle is more than or equal to 180 degree, less than or equal to 210 degree.
10. photography luminaire device for changing light according to claim 5, it is characterized in that: be connected by the rotating shaft part between the first auxiliary support bar on described folding auxiliary support bar and the second auxiliary support bar, width between two intermediate plates of this rotating shaft part is more than or equal to the width of support bar, and the front end of two intermediate plates has one section extension near a side of support bar, and this extension can be included support bar in this expanded range in when folding auxiliary support bar is in the complete status of support of support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100219207A CN103149776A (en) | 2013-01-21 | 2013-01-21 | Photoflood lamp light changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100219207A CN103149776A (en) | 2013-01-21 | 2013-01-21 | Photoflood lamp light changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103149776A true CN103149776A (en) | 2013-06-12 |
Family
ID=48547943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100219207A Pending CN103149776A (en) | 2013-01-21 | 2013-01-21 | Photoflood lamp light changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103149776A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3129705B1 (en) * | 2014-04-07 | 2018-06-13 | Sumolight GmbH | Light-shaping device and arrangement |
| CN113703254A (en) * | 2021-08-04 | 2021-11-26 | 曹玉粉 | Automatic soft cloth opening and closing device for rectangular soft box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0947877A1 (en) * | 1998-03-31 | 1999-10-06 | Lastolite Limited | Collapsible structure |
| CN201936106U (en) * | 2011-01-26 | 2011-08-17 | 深圳市神牛摄影器材有限公司 | Rectangular soft light box supported by irregular umbrella skeleton |
| CN202275250U (en) * | 2011-09-27 | 2012-06-13 | 深圳市元科摄影器材有限公司 | Soft box |
-
2013
- 2013-01-21 CN CN2013100219207A patent/CN103149776A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0947877A1 (en) * | 1998-03-31 | 1999-10-06 | Lastolite Limited | Collapsible structure |
| CN201936106U (en) * | 2011-01-26 | 2011-08-17 | 深圳市神牛摄影器材有限公司 | Rectangular soft light box supported by irregular umbrella skeleton |
| CN202275250U (en) * | 2011-09-27 | 2012-06-13 | 深圳市元科摄影器材有限公司 | Soft box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3129705B1 (en) * | 2014-04-07 | 2018-06-13 | Sumolight GmbH | Light-shaping device and arrangement |
| CN113703254A (en) * | 2021-08-04 | 2021-11-26 | 曹玉粉 | Automatic soft cloth opening and closing device for rectangular soft box |
| CN113703254B (en) * | 2021-08-04 | 2023-06-27 | 与光同尘(杭州)文化科技有限公司 | Automatic device that opens and shuts of soft cloth for rectangle soft box |
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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: 20130612 |