WO2020045725A1

WO2020045725A1 - Foldable speed ring for soft box

Info

Publication number: WO2020045725A1
Application number: PCT/KR2018/010977
Authority: WO
Inventors: 고영국
Original assignee: 고영국
Priority date: 2018-08-29
Filing date: 2018-09-18
Publication date: 2020-03-05
Also published as: KR101981896B1

Abstract

The present invention relates to a foldable speed ring for a soft box. More specifically, the present invention relates to a foldable speed ring for a soft box, the foldable speed ring comprising a body portion, a connector portion, a cover portion, a short link portion, and a long link portion. The body portion has a ring structure such that a lighting device is coupled to the center thereof. The body portion has a folding groove provided along the edge thereof radially when seen from the front. The connector portion has a rod structure such that same is contained in the folding groove. The front end of the connector portion is coupled to an outer sheath spoke of the soft box, and the rear end thereof is coupled to the inside of the folding groove, thereby configuring a first hinge. The cover portion is structured to cover the rear surface of the folding groove. The short link portion has a link structure such that same is seated on the cover portion. One end of the short link portion is coupled to the cover portion, thereby configuring a second hinge. The long link portion has a link structure such that same is longer than the short link portion. One end of the long link portion is coupled to the connector portion protruding from the folding groove, thereby configuring a third hinge, and the other end thereof is coupled to the other end of the short link portion, thereby configuring a fourth hinge. The first hinge is positioned inside the ring structure with regard to a reference line of a straight line connecting the second hinge and the third hinge. The fourth hinge is positioned outside the reference line when the connector portion is folded forwards, and is moved to the inside of the reference line when the connector portion is unfolded. Accordingly, the unfolded connector portion is not folded as long as the fourth hinge is positioned inside the reference line.

Description

Foldable Speed Ring for Softbox

The present invention relates to a foldable speed ring for a soft box, comprising a main body portion, a connecting portion, a cover portion, a short link portion and a long link portion. The upper groove has a folding groove, and the connecting part is a rod structure that is received in the folding groove. The leading end is coupled to the outer shell of the soft box, and the rear end forms a first hinge coupled to the inside of the folding groove. The short link part is a link structure seated on the cover part, and one end forms a second hinge coupled to the cover part, and the long link part is a long link structure than the short link part, and one end protrudes from the folding groove. A third hinge coupled to the other end, the other end of which constitutes a fourth hinge coupled to the other end of the short link portion, wherein the first hinge of the ring structure passes through the second hinge and the third hinge. The fourth hinge is located outside the reference line when the connecting rod is folded forward. When the connecting rod is unfolded, the fourth hinge is moved to the inside of the reference line so that the expanded connecting rod is not folded while the fourth hinge is located inside the reference line. Relates to a folding speed ring.

In general, the softbox is used to spread light from the lighting device to spread the light evenly to a large area in order to prevent very rough tones and dark shadows that occur when the light emitter is narrow and the high-density lighting device directly irradiates the subject. It is a device that makes it reach.

And, as shown in Figure 1, the soft box is composed of a speed ring of the ring structure in which the lighting device is inserted and coupled to the center, the outer shell coupled along the edge of the speed ring, and the outer shell coupled to the outer shell Can be, according to the number of shells coupled to the speed ring to form a square, octagonal, hexagonal on the front to emit light, and forms a wide trapezoidal shape toward the front side.

The speed ring used in the soft box is changed in shape and structure according to the ease of use and the structure of the soft box, for example, in the Republic of Korea Patent No. 1794448 of the present inventors, the main body of the ring structure, and the main frame edge It includes a plurality of rod connecting portion coupled to, and the folding operation portion coupled to the back of the main body, the rod connecting portion, the rear side is hinged to the main body edge so that the front side is folded forward, the outer shell is fitted to the front side respectively It is connected to the rear part of the connecting part and the rear part of the extended connecting part, and is fixed to the main body part so that it is separated by the operation. It includes elastic means to be in close contact with most of the rear side, the folding operation portion, a plurality of fixed bundle portion in a ring structure Including the operation ring part which is detached from the rear side of the rear end of the extended connection part when the rotary operation is connected to the rotation operation, the one-touch for soft box that can fold all the connection parts fixed and expanded by the rotation operation of the operation ring part. "Folding Speeding" is published.

In addition, the Republic of Korea Patent Publication No. 2018-20595 of the inventors of the main body and the back plate portion of the ring structure, and a plurality of connecting portions and fixed bundle portion coupled to the front and back plate edge of the main body, the connecting portion, the outer shell Cylindrical structure in which the rod is fitted to the front side, hinged so that the front side is folded forward, and the fixed bundle portion is a structure that is moved forward and backward from the back of the connecting rod in the storage space of the main body rear plate, It includes a fixed portion in close contact with the rear side, an elastic means for advancing the fixed bundle portion, and an operation button for penetrating the operating flow groove of the main body back plate portion and retracting the fixed bundle portion by operation to release from the connecting rod, and to expand the folded connection portion. At the time, the fixed bundle portion is moved forward and close by the elastic means to be fixed in an unfolded state, and when the operation button is operated around the ring, the fixed bundle portion is separated. In addition, "Folding Speed Ring for Softbox" has been posted, which is released.

However, in the case of the inventors of the Korean Patent Registration No. 1794448, "One-touch folding speed ring for soft box" and "Folding speed ring for soft box" of Korean Patent Publication No. 2018-20595 and similar conventional folding speed ring for soft box, The spigot connection or connecting pod to which the outer shell is coupled is formed in the folding bone formed of the speed ring and folded forward and fixed. The spool connection or connecting portion is fixed and folded by means of the speed ring. There was a problem in that it was not easy to add, remove, or replace the rod connecting portion or the connecting rod in the ring.

In addition, by using the spring in the means for extending or fixing the rod connecting portion or the connecting portion in the speed ring, there may be a problem of malfunction due to the spring's elasticity deterioration, it was also not easy to replace the spring with such elastic deterioration .

Accordingly, there is a need for the development of a folding speed ring that is simple and easy to manage, while the structure of the means for folding and unfolding the connecting stand is easy to add, remove and replace the connecting stand to which the outer shell is coupled.

Therefore, the present invention is to solve the above-mentioned problems, the ring structure is coupled to the illumination device to the center, the main body portion is folded radially in front radially along the rim; A rod structure accommodated in the folding groove, the length of which is longer than the depth of the folding groove, the rear end of which is coupled to the inside of the folding groove to form a first hinge that rotates forward and backward, the connecting portion coupled to the outer shell of the soft box; A plate structure covering the folding groove, the cover portion coupled to the back portion of the main body hinged coupling; A link structure seated on the cover part, one end of which is coupled to the cover part by a short link part that forms a second hinge that rotates forward and backward; The link structure is longer than the short link portion, one end of which is hinged to the connecting portion protruding from the folding groove to form a third hinge that rotates forward and backward, and the other end is hinged to the other end of the short link portion and the fourth hinge rotates forward and backward. The first hinge is positioned inside the ring structure at a straight reference line passing through the second hinge and the third hinge, and the fourth hinge is positioned outside the reference line when the connecting rod is folded forward. However, when the connecting rod is unfolded, by moving inside the reference line, the unfolding connecting rod is not folded while the fourth hinge is located inside the reference line.

And the fourth hinge or around the fourth hinge is protruding the locking jaw protruding to both sides of the width is wider than the width of the folding groove, so that when the connecting rod is folded forward, the locking jaw is caught in the opening of the folding groove, When unfolding, apply the thumb of the hand holding the connecting portion to the locking jaw, and push the locking jaw with the thumb while lifting the connecting portion, so that the fourth hinge can be easily rotated backwards so that the fourth hinge is located inside the reference line. In addition, when folding and unfolding the fixed connection portion, the finger is placed on the locking jaw, and the short link portion can be rotated forward so that the fourth hinge is located outside the reference line.

In addition, the cover portion has a second hinge plate protrudes to the rear, the short link portion is hinged to one end of the second hinge plate, the fixing jaw contacting the inner end of the second hinge plate protrudes from the short link portion seated on the rear cover portion By doing so, the fixing property of the unfolded connecting base is improved.

As described above, the present invention includes a first hinge in which the inside of the folding groove and the rear end of the connecting hinge are hinged, a second hinge hinged to one end of the cover portion and the short link portion, and a third hinged to one end of the connecting portion leading side and the long link portion. The hinge is folded forward by the fourth hinge where the other end of the short link part and the other end of the long link part are hinged, and when the connection part is unfolded, it is out of the reference line at the baseline of the straight line passing through the second hinge and the third hinge. The fourth hinge positioned at moves to the inside of the reference line, and while the fourth hinge is positioned inside the reference line, the spreading connection unit is not folded even when a force is applied to the connecting unit.

In other words, after the two facing joints in the speed ring combined with the outer shell and the outer shell are unfolded, all the unrolled joints are extended and the rotating force toward the front is continuously acted by the stretched jacket. It is transmitted to the link part and acts on the short link part. The force is acted as a rotational force toward the rear in the short link part by the fourth hinge located inside the reference line passing through the second hinge and the third hinge, so that the fourth hinge While located inside the reference line there is an effect that the unfolded connecting portion is not folded.

When the connecting hinge is extended or folded by the protruding locking jaw, the short link portion is easy to be caught or fastened to the finger, so that the short link portion can be easily rotated and the connecting rod is folded forward. The locking jaw is caught in the folding groove inlet, there is an effect to prevent the connecting portion is excessively folded, or the other side of the short link portion is fitted into the folding groove.

In addition, when the short link portion is seated on the back of the cover part, the fixing jaw protruding from the short link part is in contact with the inner end of the second hinge plate protruding from the back of the cover part, thereby improving the fixability of the unfolded connecting part. When the connecting part is unfolded in the speed ring combined with the outer skin, the short link part is applied to the outer side of the ring structure by the outer skin which is stretched and pulled, so that the fixing jaw is closer to the inner end of the second hinge plate. By doing so, there is an effect of improving the fixing of the unfolded connecting base.

1 is a perspective view of a soft box of the Republic of Korea Patent No. 1215717.

Figure 2 is a perspective view of the unfolded speed ring in accordance with an example of the present invention.

3 is a perspective view of the folded speed ring in accordance with an example of the present invention.

4 is a rear view of a speed ring according to an example of the present invention;

5 is an exploded perspective view of FIG. 4A;

6 is a side cross-sectional view folded in FIG. 4A.

FIG. 7 is a partial cross-sectional side view of FIG. 4A.

8 is a side cross-sectional view of FIG. 4A.

9 is a rear view of a speed ring according to another example of the present invention.

10 is a partial side cross-sectional view of a speed ring according to another example of the present invention.

The present invention is composed of the main body portion, the connecting portion and the cover portion and the short link portion and the long link portion, which will be described in sequence as follows.

First, the main body 110 has a large ring structure, as shown in Figure 2, the lighting device is coupled to the center of the ring, the lighting device is coupled to the direction of the light shining front (left, in Figures 2, 3, 5, 6, 7, 8, and 10 in the downward direction), the illumination hole 111 is coupled to the lighting device is formed in the center on the front face, a plurality of folding grooves 112 along the rim radially in front It opens.

And the first hinge groove 113 is formed on both sides of the width inside each of the folding grooves 112, the first hinge groove 113 is the rear surface ((Fig. 2, 3 in the center of the body portion 110) Right, up in FIGS. 5, 6, 7, 8, 10)).

In addition, the main body 110, as shown in Figure 3, it is preferable that 16 folding grooves 112 are formed at a predetermined angle, 8, 12, 24, etc. according to the needs of users and manufacturers It may be formed in number.

And the main body 110 has a screw hole 114 for coupling with the cover 130 is formed on both sides of the width of the folding groove 112 is formed on the back, the inside of the cover 130 (inside of the ring structure) The inner supporting jaw 115 protruding to contact the end, and both side supporting jaws 116 protruding to contact the both sides of the width of the cover 130 is formed.

At this time, the inner support jaw 115 is preferably protruded in the circle of the same center point and the center point of the main body portion 110 on the back.

Next, as shown in FIG. 5, the connecting rod 120 has a short rod structure, and a connecting hole 121 coupled to the outer shell 200 of the soft box is formed at the top thereof, and the rear portion protrudes on both sides of the width. The first hinge protrusion 122 is formed.

Here, the first hinge protrusion 122 is hinged with the first hinge groove 113 inside the folding groove 112 of the main body 110 to form a first hinge 101 that rotates forward and backward. The first hinge protrusion 122 and the first hinge groove 113 are coupled to each other by fitting into the first hinge groove 113 opened at the rear surface thereof.

And, as shown in Figure 2, as shown in Figure 2, the length is longer than the depth of the folding groove 112, the connecting portion 120 unfolded in the main body 110 is the rear end is received in the folding groove 112 , The leading side protrudes from the folding groove (112).

At this time, even if unfolded, the first side of the connecting portion 120 protruding from the folding groove 112 has two third hinge plate 123 protrudes in the width interval of the long link portion 150 on the back of the unfolded state, the third Third hinge holes 124 are formed in the hinge plates 123, respectively.

And as shown in Figure 4, the connecting portion 120 is composed of a total of eight folding grooves 112 are configured every 45 degrees in the main body portion 110 formed with 16 folding grooves 112, or Figure 9 As shown in B, it is composed of a total of four folding grooves 112 are configured every 90 °, or as shown in C of Figure 9, is composed of a total of 16 folding grooves 112 are configured every 22.5 ° May be

Next, as shown in FIG. 5, the cover part 130 has a cover plate structure, and is formed to have a size covering the rear surface of the individual folding grooves 112, and the main body part 110 in which the connecting part 120 is hinged. It is coupled to the back side.

In addition, the cover part 130 has two second hinge plates 131 protruding from each other at the width interval of the short link part 140 on the rear thereof, and a second hinge hole 132 is formed for each of the second hinge plates 131. .

At this time, the second hinge plate 131 protrudes from the outer end of the cover portion 130 (outside of the ring structure) to a length shorter than the length of the short link portion 140, and the second hinge hole 132. ) Is formed on the outer end of the second hinge plate 131, as shown in Figure 8, located on the side cross-section, outside the first hinge 101, the cover portion 130 in the second hinge plate 131 The inner end surface of the side is formed with an arc of the same center point as the second hinge hole 132 on the side.

And the cover portion 130 is formed on both sides of the width of the screw hole 133 corresponding to the screw hole 114 of the main body portion 110 is formed is coupled to the back of the main body portion 110 by the screw 106, the cover The inner end of the unit 130 and the width of both ends of the cover 130 is coupled with the screw 106 in a state fitted to the inner support jaw 115 and both side support jaws 116 of the main body portion 110 protruding. do.

In addition, a concave play groove 134 is formed at a position corresponding to the connecting portion 120 at the front of the cover portion 130 so as not to be in contact with the folded or expanded connecting portion 120, and the two second hinge plates 131. The outer end back surface between the) is formed as an inclined surface 135, as shown in Figure 6, so as not to contact the short link portion 140 rotated forward.

Next, as shown in FIG. 5, the short link unit 140 is a short L (“L”) block-type link structure, and is seated between two second hinge plates 131 of the cover unit 130. The second hinge hole 141 is formed at one end thereof, and forms a second hinge 102 that is rotated back and forth by hinge coupling of the second hinge hole 132 of the cover part 130 and the hinge pin 105. .

In addition, two fourth hinge plates 142 protrude from the other side of the back surface at a width interval of the long link unit 150 based on the short link unit 140 seated on the rear surface of the cover unit 130 to form an EL on the side cross section. Each fourth hinge plate 142 is provided with a fourth hinge hole 143.

In addition, the locking jaw 144 protrudes on both sides of the width of each of the fourth hinge plates 142, and the widths up to both ends of the two protruding locking jaws 144 protrude to be wider than the width of the folding groove 112.

At this time, the locking jaw 144 is preferably protruded in a circular arc shape along the edge of the fourth hinge plate 142 on the side, in particular, as shown in FIG. When the jaw 144 is exposed to the outside, it is preferable that one side of the circular arc on the side is formed longer than the other side so as to easily push the locking jaw 144 with the thumb of the hand holding the connecting portion 120. As shown in the connecting portion 120 is extended, the locking jaw 144 in the short link portion 140 seated on the back of the lower cover portion 130, the finger hanging from the inside of the back of the speed ring 100 to the outside More preferably, the other side is more open than one side to facilitate.

In addition, the fixing jaw 145 in close contact with the inner end of the second hinge plate 131 of the cover portion 130 protrudes from both sides of the width in the short link portion 140 seated on the rear surface of the cover portion 130. One side of the jaw 145 is formed of a circular arc of the same center point and the same diameter as the inner end surface of the second hinge plate 131, the second hinge plate when the short link portion 140 is seated on the back of the cover portion 130 (131) While the inner end and one side of the fixing jaw 145 are in close contact with the same arc, the short link portion 140 is not caught by the second hinge plate 131 when the second hinge hole 132 is rotated back and forth. Do not try to.

Next, as shown in FIG. 5, the long link unit 150 has an arc-shaped link plate structure, which is longer than the short link unit 140, and has a third hinge hole 151 formed at one end thereof and formed at the other end thereof. Four hinge holes 152 are formed.

Here, as shown in FIG. 8, the long link unit 150 has an arc shape that is rounded outward so as not to contact the short link unit 120 in the unfolded state of the connecting unit 120. Likewise, the connection unit 120 is not in contact with the main body 110 even in a folded state.

The third hinge hole 151 of the long link unit 150 forms a third hinge 103 that is rotated back and forth by hinge coupling of the third hinge hole 124 of the connecting portion 120 and the hinge pin 105. The long link unit 150 and the fourth hinge hole 152 form a fourth hinge 104 that is rotated back and forth by hinge coupling of the fourth hinge hole 143 of the short link unit 140 and the hinge pin 105. .

Folding box for the speed box 100 configured in this way is connected to the corresponding folding groove 112 in accordance with the number of the connecting portion 120 to be used by the user in the body portion 110 formed with 16 folding grooves 112 Insert 120 and the coupling portion 120, the cover portion 130, the short link portion 140 and the long link portion 150 is combined for each portion inserted, eight connections as shown in FIG. Speed ring 100 is configured with a large portion 120, the speed ring 100 is configured with four connecting portions 120 as shown in B of FIG. 9, 16 connecting rods (as shown in C of FIG. The connection unit 120 may be coupled to the number desired by the user, such as the speed ring 100 configured as 120.

In addition, as shown in FIG. 10, the thickness of the back side of the portion of the body portion 110 to which the cover portion 130 is coupled is reduced, so that the cover portion 130 and the short link portion ( 140 may not protrude much.

And the speed ring 100 of the present invention is coupled to the outer shell 200 of the soft box to the connecting rod 120, the outer shell is coupled to the outer shell 200 is shown in Figures 2 and 3, and Figures 6 to 8 As described above, the connecting portion 120 is folded forward and spread outwards, the first hinge 101 is the inner side of the straight reference line (L) passing through the second hinge 102 and the third hinge 103 The fourth hinge 104 is located outside the reference line L when the connecting portion 120 is folded forward. When the connecting portion 120 is unfolded, the fourth hinge 104 moves to the inside of the reference line L. While the four hinges 104 are located inside the reference line L, the unfolded connecting portion 120 is not folded.

That is, when the fourth hinge 104 is located outside the reference line L, as the connecting rod portion 120 rotates forward, the short link portion 140 also rotates forward, so that the connecting portion 120 naturally moves forward. When the fourth hinge 104 is moved to the inside of the reference line L, even if a force is applied to rotate the connecting portion 120 forward, the short link portion 140 is rearward with respect to the second hinge 102. As a rotation force is applied, the short link portion 140 seated on the cover portion 130 does not rotate so that the connecting portion 120 does not fold forward.

In addition, since both the connecting rod 120 facing the outer shell 200 and the connecting ring 120 facing each other in the outer ring combined with the outer shell is extended to the front by the outer sheath is stretched and pulled tightly. The rotational force is continuously acting, and this force is transmitted to the long link portion 150 to act on the short link portion 140, which is a reference line passing through the second hinge 102 and the third hinge 103 ( L) by the fourth hinge 104 located inside the short link portion 140 acts as a rotating force toward the rear.

In addition, when the connecting portion 120 is unfolded, the short link portion 140 seated on the cover portion 130 has a fixing hinge 145 of the short link portion 140 is the second hinge plate of the cover portion 130 ( 131) By contacting the inner end, the fixedness of the expanded connecting portion 120 is improved, which is expanded and stretched when the connecting portion 120 is unfolded in the speed ring 100 coupled with the outer shell 200 and the outer shell. The short link portion 140 is applied to the outer side of the ring structure from the cover portion 130 by the outer shell being pulled so that the fixing jaw 145 is in close contact with the inner end of the second hinge plate 131, thereby expanding the connecting rod portion. Fixability of the 120 is improved.

And when unfolding the connecting unit 120, the thumb of the hand holding the connecting unit 120 to the locking jaw 144 of the short link unit 140, while holding the connecting unit 120, the locking jaw (144) When pushing), the connecting rod 120 can be easily extended even in the front rotational force due to the unfolded outer shell, and when folding the extended connecting rod 120 forward, without applying force to the connecting rod 120, it protrudes to the rear side. The short link unit 140 may be rotated forward. At this time, it is convenient to rotate the short link unit 140 by putting a finger on the locking jaw 144 of the short link unit 140.

In addition, the connecting portion 120 folded forward prevents the locking jaw 144 is caught by the inlet of the folding groove 112 to prevent the short link portion 140 from entering into the opening of the folding groove 112.

As such, the present invention hinges the first hinge 101, the cover 130 and the one end of the short link portion 140, the hinge hinge coupled to the inside of the folding groove 112 and the rear end of the connecting portion 120. (102), the third hinge 103 hinged to one end of the connecting portion 120 and the one end of the long link portion 150, the other end of the short link portion 140 and the other end of the long link portion 150 is hinged The hinge portion 120 is folded and unfolded forward by the four hinges 104, and when the connector portion 120 is unfolded, at a reference line L of a straight line passing through the second hinge 102 and the third hinge 103. The fourth hinge 104 located outside the reference line L moves to the inside of the reference line L, and the fourth hinge 104 is extended even when a force is applied to the connecting portion 120 while the fourth hinge 104 is located inside the reference line L. There is a feature that the connecting portion 120 is not folded.

And the other end of the short link portion 140 is easy to catch the short link portion 140 or to hang on the finger when the connecting rod 120 is extended or folded by the protruding locking jaw 144, the short link portion 140 When the connection unit 120 is folded forward, the locking jaw 144 is caught in the opening of the folding groove 112, the connection unit 120 is excessively folded, or the other side of the short link unit 140 is folded. There is a feature to prevent the groove 112 is fitted.

In addition, when the short link unit 140 is seated on the back of the cover unit 130, the second hinge plate 131 protruding from the cover 130 is fixed jaw 145 protruding from the short link unit 140. By contacting the inner end, there is a feature that the fixing property of the extended connecting portion 120 is improved.

Claims

A ring structure in which a lighting device is coupled to a center, the main body portion of which a folding groove is opened radially in front along an edge;

A rod structure accommodated in the folding groove, the length of which is longer than the depth of the folding groove, the rear end of which is coupled to the inside of the folding groove to form a first hinge that rotates forward and backward, the connecting portion coupled to the outer shell of the soft box;

A plate structure covering the folding groove, the cover portion coupled to the back portion of the main body hinged coupling;

A link structure seated on the cover part, one end of which is coupled to the cover part by a short link part that forms a second hinge that rotates forward and backward;

The link structure is longer than the short link portion, one end of which is hinged to the connecting portion protruding from the folding groove to form a third hinge that rotates forward and backward, and the other end is hinged to the other end of the short link portion and the fourth hinge rotates forward and backward. Including a long link portion;

The first hinge is located inward from the reference line of the straight line passing through the second hinge and the third hinge,

The fourth hinge is located outside the reference line when the connecting rod is folded forward. When the connecting rod is unfolded, the fourth hinge moves to the inside of the reference line,

The folding speed ring for the soft box, characterized in that the expanded connecting portion does not fold while the fourth hinge is located inside the reference line.
The method of claim 1,

The first hinge is formed with a groove formed on both sides of the width inside the folding groove, the first hinge groove opened on the back, and the first hinge protrusion protruding on both sides of the width on the rear end of the connecting portion,

The second hinge is composed of a second hinge hole formed in each of the two second hinge plates protruding at the width of the short link portion from the back of the cover portion, a second hinge hole formed at one end of the short link portion, and a hinge pin.

The third hinge is composed of a third hinge hole formed in each of the two third hinge plates protruding at the width of the long link portion from the back of the connecting portion, a third hinge hole formed at one end of the long link portion, and a hinge pin.

The fourth hinge consists of a fourth hinge hole formed in each of the two fourth hinge plates protruding at the width of the long link portion from the other side of the short link portion, a fourth hinge hole formed at the other end of the long link portion, and a hinge pin.

Folding speed ring for soft box, characterized in that the connecting portion is folded forward and fixed.
The method of claim 1,

As the fourth hinge or around the fourth hinge, the locking projection protruding from both sides of the width is wider than the width of the folding groove,

When you open or fold the connecting part, you can put your finger on the locking jaw and rotate the short link part.

Folding speed ring for soft box, characterized in that the locking jaw is caught in the opening of the folding groove when the connecting portion is folded forward.
According to claim 1,

The cover portion has a second hinge plate protrudes to the rear,

One end of the short link portion is hinged to the second hinge plate, and the fixing jaw that comes into close contact with the inner end of the second hinge plate protrudes from the short link portion seated on the back of the cover part,

Folding speed ring for soft box, characterized in that the fixedness of the expanded connection unit is improved.
The method according to any one of claims 1 to 4,

By forming the inner back projection protruding to contact the inner end of the cover portion and the rear side protruding projections to contact both sides of the width of the cover portion,

Folding speed ring for soft box, characterized in that to prevent the flow of the cover portion coupled to the back of the main body.