CN101689011A

CN101689011A - A soft box

Info

Publication number: CN101689011A
Application number: CN200880020458A
Authority: CN
Inventors: 邹建良
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-21
Filing date: 2008-06-19
Publication date: 2010-03-31
Anticipated expiration: 2028-06-19
Also published as: CN101689011B; WO2008154877A1

Abstract

A soft box includes an engaging-opening which can engage with a light source, a base which is connected to the engaging-opening and used to fix supporting rods, some flexible supporting rods(7, 19, 24), an umbrella inside-reflecting cover(11, 17, 22, 34) raised by the supporting rods and a soft screen which is provided at the opening of the cover. Wherein, locking devices are set at the corners ofthe cover and can engage with the free ends of the supporting rods(7, 19, 24), the locking devices allow the supporting rods(7, 19, 24) inside the locking devices by tangent movement. The locking devices include heads on the ends of the supporting rods and sleeve sets(1, 15, 20, 30) with one side opened which are provided on the corners of the cover.

Description

A soft box

A kind of soft box of specification

Technical field

[1] the present invention relates to video-photographic equipment, more specifically to a kind of soft box.

Background technology

[2] effect of soft box is that spot light is converted into uniform area source, is used for for a long time by photographer as photographic objects

, human body provide diffusion optical illumination.

[3] at present, the soft box of in the market is typically fabricated as at the shapes such as four rib umbrella shapes, eight rib umbrella shapes, umbrella top having the bayonet socket matched with light source, and the other end of bayonet socket is rotatably attached with a base that can install support bar

, the support bar on base is flexed outward, by interior reflective housing supports into umbrella shape, finally in housing opening portion installation diffuser.

[4] this soft box is in assembling inch, and being installed on base one by one generally first by support bar for example inserts support bar in the corresponding hole of bayonet ring；Then bent support bar one by one again so that the free end of support bar reaches the corner of outer cover, then the free end of support bar is locked in the edge of outer cover, the assembling of whole soft box can be completed by being then loaded on diffuser.

[5] in order to ensure the light efficiency of soft box, what outer cover should be fully tensioned by support bar after finishing assembly, therefore it is required that the elastic force of support bar is very strong, in order to which support bar to be securely locked in the corner of outer cover, generally firmly it is equiped with the edge of outer cover and allows support bar from the sack being inserted radially into, and the radial direction free degree that obtain needed for support bar is inserted into sack is highly difficult.Current method includes：1st, outer cover is pullled energetically； 2

, buckling support bar energetically；3rd, base is allow to be dashed forward at umbrella top to outside outer cover in the part enlarged opening of base in the outer enclosure；₄, fixed in base at support bar rotary structure be set to adjust support bar tension force；5th, the methods such as support bar are tightened up with VELCRO at outer flaring angle.These methods sacrifice the durability of sheen box part, add the complexity of sheen box structure, or even there is potential safety hazard, but still it cannot be guaranteed that outer cover is fully supported by support bar.

The content of the invention

[6] present invention provides a kind of soft box, solves above-mentioned technical problem, allows the support bar of soft box and the corner of outer cover by low physical strength, is safely mounted together, and it is outer to ensure that support bar can be fully tensioned with inch Cover.

[7] present invention provides a kind of soft box, if including a bayonet socket matched with light source, one flexible support bar that the base of support bar, Heavenly Stems and Earthly Branches one end be installed on the base can be installed, by reflective outer cover in the umbrella the they sup-port and the diffuser being installed at the housing opening with the bayonet joint, it is characterized in that, the edge of the free end of the support bar and the outer cover is equiped with locking device, and the locking device allows the support bar by tangentially acting into latched position.

[8] in the soft box that provides of the present invention, the locking device is a tubular sleeve, the pipeline of the tubular sleeve can entangle the support bar and prevent can the support bar pass through；The tubular sleeve in side provided with allowing that the support bar tangentially enters the notch of the pipeline of the tubular sleeve from the side of the tubular sleeve, the notch be at the opening of the pipeline of the tubular sleeve.

[9] in the soft box that the present invention is provided, the aperture of the opening of the notch is less than the diameter of the support bar；And the tubular sleeve has certain elasticity, allow that the support bar is forced through from the notch and entered in the pipeline of the tubular sleeve.

[10] in the soft box that the present invention is provided, length of the notch along tubular sleeve axial direction is slightly less than the support bar and is allowed into the depth capacity of the pipeline of the tubular sleeve；The pipeline not covered by the notch is the annular of closing, can limit the tangential movement of the support bar.

[11] in the soft box that the present invention is provided, the lug extended to outside the pipeline tapping is provided with one end of the pipeline tapping of the tubular sleeve, the thickness of the lug is not more than the pipe thickness of the tubular sleeve, and the lug is parallel with the notch；The lug is set for that can fix the end of the tubular sleeve in the case where not influenceing the support bar to enter the notch.

[12] in the soft box that the present invention is provided, one end of the tubular sleeve is locked in the edge of the outer cover, and the other end is movable, and the notch is towards the outer cover；Rotating the movable end of the tubular sleeve can control the notch to be buckled on the outer cover or think outer opening, and this rotation can make the tubular sleeve entangle the support bar to be tensioned the outer cover with inch.

[13] in the soft box that the present invention is provided, the locking device also includes a head for being fixed on the support bar end, and the head is greater than the diameter of the support bar on the section along support bar axial direction along the width of support bar axial direction；The mouth that is caught in for laterally leading to the notch and the pipeline of the tubular sleeve along the notch is provided with the tubular sleeve, the mouth that is caught in allows that the support bar provided with the head is cut To ground being tangentially caught in the pipeline of the tubular sleeve and the notch along the tubular sleeve；The mouth that is caught in is that opening is less than inside on the opening direction along the notch.Configuration ensures that the head only can be combined or separated in a certain ad-hoc location with the mouth that is caught in above, and safely the support bar can be locked in the tubular sleeve.

[14] in the soft box that the present invention is provided, the tubular sleeve is provided with described in several and is caught in mouth；Mouth is caught in described in each to differ with the tubular sleeve and the distance of the keyed end of the outer cover, therefore the tension force differed is provided to the outer cover.

[15] in the soft box that the present invention is provided, the tubular sleeve is externally provided with the collar that can be slided along tubular sleeve；The boss of the collar is stopped in the openend of the tubular sleeve provided with shelves, and some salient points are provided between the two ends of the tubular sleeve, the salient point can limit the collar by.The collar can prevent the support bar from unexpectedly departing from the tubular sleeve from the notch of the tubular sleeve.

[16] in the soft box that the present invention is provided, some grooves corresponding with the salient point are provided with the inner surface of the collar, therefore only corresponding with the groove in the salient point is that the collar can just pass through the salient point.

[17] soft box that provides of the present invention has the advantages that simple in construction, simple to operate, safe and reliable, and support bar can be made fully to be tensioned the outer cover of soft box, it is ensured that the optical property of soft box.

Brief description of the drawings

[18] below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：

[19] Fig. 1 is the schematic diagram of the first embodiment of soft box of the present invention；

[20] Fig. 2 is the scheme of installation of the first embodiment of soft box of the present invention；

[21] Fig. 3 is the schematic diagram of the second embodiment of soft box of the present invention；

[22] Fig. 4 is the schematic diagram of the 3rd embodiment of soft box of the present invention；

[23] Fig. 5 is the use schematic diagram of the fourth embodiment of soft box of the present invention；

[24] Fig. 6 is the schematic cross-section of the safe collar of soft box of the present invention.

Embodiment

[25] as shown in figure 1, the locking device 1 of the first embodiment of soft box of the present invention is the tubular sleeve 1 of injection molding, it is possible to use the head 2 of tubular sleeve and end lug 3 are fixed on the edge of outer cover；There is the notch 5 parallel with outer cover plane by the pipeline 4 of fixed tubular sleeve, notch 5 is since at pipeline tapping, and notch 5 length is slightly less than the depth of pipeline 4, and opening degree is slightly less than the diameter of support bar 7.Further, the tubular sleeve has certain elasticity, allows support bar₇It is forced through and enters in the pipeline 4 of tubular sleeve from notch.The inch of support bar 7 is being installed, tubular sleeve 1 on the offensive of holding tenses outer cover, support bar 7 is tangentially pressed into the pipeline 4 of tubular sleeve 1 by notch 5 from side again, entangle the end of support bar 7 in the bottom 6 for making the pipeline 4 of tubular sleeve 1 not covered by notch 5 by the tension force of outer cover after letting go, latched position is entered, thus can ensure that support bar 7 is unlikely to unintentionally depart from tubular sleeve 1.It is appreciated that locking device can also be processed with sheet metal.

[26] as shown in Fig. 2 the tubular sleeve 1 of the first embodiment of soft box of the present invention is installed in outer cover edge；The sack 12,13 that the head 2 of tubular sleeve 1 and end lug 3 are sewn on outer cover 11 is entangled, and the opening direction of the notch 5 in tubular sleeve 1 is parallel to the plane of outer cover 11.It is appreciated that the head 2 of tubular sleeve 1 and end lug 3 can also be fixed on outer cover 11 using modes such as rivets.The lug 3 extends in one end of the pipeline tapping of tubular sleeve on the outside of pipeline tapping, and the thickness of lug 3 is not more than the pipe thickness of tubing set, and lug is parallel to each other with notch.

[27] as shown in figure 3, the head of the tubular sleeve 15 of the second embodiment of soft box of the present invention is fixed on the corner end of outer cover 17 by rivet 16, the pipeline tapping end of tubular sleeve 15 is free, and the notch 18 for leading to pipeline is towards outer cover₁₇'s.The inch of support bar 19 is being installed, the free end of tubular sleeve 15 is first rotated away from outer cover 17, then the bottom that the pipeline for the end of support bar 19 being withstood on into tubular sleeve 15 is not covered by notch, then the free end of tubular sleeve 15 is rotated to the direction of outer cover 17 by the strong point of the end of support bar 19, until support bar 19 is completely into the pipeline of tubular sleeve 15；In the same inch of Rotational Coronary external member 15, outer cover 17 will be tensioned.

[28] such as 4 be shown, and the notch 23 that the head of the tubular sleeve 20 of the 3rd embodiment of soft box of the present invention is fixed on by rivet 21 in the corner end of outer cover 22, tubular sleeve 20 is towards outer cover 22；The end of support bar 24 is spherical, and is additionally provided with tubular sleeve 20 from side connecting pipe 26 and notch 23 and is caught in mouth 25, and the shape for being caught in mouth 25 is matched with the shape of the end of support bar 24；Allow that support bar 24 is tangentially caught in the pipeline 26 and notch 23 of tubular sleeve 20 along tubular sleeve 20, and it is that opening is less than inside on the opening direction along notch 23 to be caught in mouth 25.The inch of support bar 24 is being installed, first tubular sleeve 20 is put into support bar 24 into an angle of 90 degrees, by the end of support bar 24 from the inside for being caught in mouth 25 and sticking into tubular sleeve 20, then the free end of tubular sleeve 20 is rotated to outer cover 22 by fulcrum of the end of support bar 24, until support bar 24 Along notch 23 completely into the pipeline 26 of tubular sleeve 20, drawn and be tensioned by rivet 21 with inch outer cover 22；Finally the collar 27 is slided to the opening direction of the pipeline 26 of support bar 24, is rested on by predetermined way by salient point 28 before boss 29, prevents support bar 24 from undesirably falling off tubular sleeve 20.It is appreciated that suitably adjustment is caught in shape and the direction of mouth 25, allows support bar 24 being caught in inch with tubular sleeve 20 into suitable angle, the tensile force suffered by outer cover 22 after soft box is mounted well can be adjusted.

[29] as shown in Figure 5, the fourth embodiment of soft box of the present invention is on the basis of 3rd embodiment, the position parallel with being caught in mouth 31 is additionally provided with second and is caught in mouth 32 in tubular sleeve 30, second to be caught in the application method of mouth 32 identical with the application method for being caught in mouth 31, difference is to work as to be caught in the inch of mouth 32 using second,, can be tight by outer cover Zhang get Geng so being caught in mouth 31 than use because the second distance for being caught in rivet 33 of the mouth 32 with tubular sleeve and outer cover 34 are fixed is distant.It is appreciated that can effectively ensure that the tension force of outer cover after installation is in zone of reasonableness provided with multiple mouths and a variety of angles that are caught in of being caught in tubular sleeve.

[30] as shown in Figure 6, condom ring 35 is cased with outside the tubular sleeve 36 of soft box of the present invention, the inner surface of the safe collar is provided with groove 37, and tubular sleeve 36 is provided with salient point 38, only when the position of salient point 38 inch corresponding with the position of groove 37, the safe collar 35 just same can cross salient point 38.It is appreciated that when the safe collar is manufactured by elastomeric material, the size of salient point 38 is reduced to sufficiently small inch by such as plastics, and the safe collar can also pass through salient point 38 in the case where promoting energetically.

Claims

Claims

1st, a kind of soft box, if including one matched with light source bayonet socket, one the flexible support bar that the base of support bar, Heavenly Stems and Earthly Branches one end are installed on the base can be installed with the bayonet joint

, by reflective outer cover in the umbrella the they sup-port and the diffuser being installed at the housing opening, it is characterized in that, the edge of the outer cover is equiped with the locking device with the free end cooperation of the support bar, and the locking device allows the support bar by tangentially acting into latched position.

2nd, soft box according to claim 1, it is characterised in that the locking device is a tubular sleeve, the pipeline of the tubular sleeve can entangle the support bar and the support bar can be prevented to pass through；The tubular sleeve provided with allowing that the support bar is tangentially entered the notch of the pipeline of the tubular sleeve, the notch be at the opening of the pipeline of the tubular sleeve.

3rd, soft box according to claim 2, it is characterised in that the tubular sleeve is externally provided with the collar that can be slided along tubular sleeve；The boss of the collar is stopped in the openend of the tubular sleeve provided with shelves, and some salient points are provided between the two ends of the tubular sleeve, the salient point can limit the collar by.

4th, soft box according to claim 3, it is characterised in that be provided with some grooves corresponding with the salient point in the inner surface of the collar.

5th, soft box according to claim 2, it is characterised in that the aperture of the opening of the notch is less than the diameter of the support bar；And the tubular sleeve has certain elasticity, allow that the support bar is forced through from the notch and entered in the pipeline of the tubular sleeve.

6th, the soft box according to any one of claim 2-5, it is characterised in that length of the notch along tubular sleeve axial direction is less than the support bar and is allowed into the depth capacity of the pipeline of the tubular sleeve.

7th, the soft box according to any one of claim 2-5, it is characterized in that, the lug extended to outside the pipeline tapping is provided with one end of the pipeline tapping of the tubular sleeve, the thickness of the lug is not more than the pipe thickness of the tubular sleeve, and the lug is parallel with the notch.

8th, the soft box according to any one of claim 2-5, it is characterised in that one end of the tubular sleeve is fixed on the edge of the outer cover, the other end is movable；And the notch be towards The outer cover.

9th, soft box according to claim 8, it is characterized in that, the locking device also includes a head for being fixed on the support bar end, and head width axially vertical with the support bar on the section along support bar axial direction is greater than the diameter of the support bar；The mouth that is caught in along notch described in the lateral communication of the notch and the pipeline of the tubular sleeve is provided with the tubular sleeve, the mouth that is caught in allows the support bar being tangentially caught in the pipeline of the tubular sleeve and the notch along the tubular sleeve provided with the head；The mouth that is caught in is that opening is less than inside on the opening direction along the notch.

10th, soft box according to claim 9, it is characterised in that the tubular sleeve is provided with described in several and is caught in mouth.