CN216210394U - Soft light box - Google Patents

Abstract

The application provides a soft light box which comprises an upper base, a lower base, a pull rod and a plurality of umbrella rib frames, wherein the upper base is provided with a plurality of upper mounting grooves, and the wall of each upper mounting groove is provided with an upper rotating groove; the lower base is provided with a plurality of lower mounting grooves, and the wall of each lower mounting groove is provided with a lower rotating groove; the umbrella rib frame comprises umbrella ribs, a first rotating rib position and a second rotating rib position; a first rotating shaft is arranged on the first rotating rib, a second rotating shaft is arranged on the second rotating rib, the first rotating shaft is rotatably inserted in the upper rotating groove, and the second rotating shaft is rotatably inserted in the lower rotating groove; one end of the pull rod is fixed on the upper base; the length of pull rod is less than the length of rib, works as when pull rod and lower pedestal connection, the crooked lantern-shaped structure that forms of a plurality of ribs, the easy cracked problem in present lantern soft light box rib frame's both ends is mainly solved to this application.

Description

Soft light box

Technical Field

The application belongs to the technical field of soft light boxes, and particularly relates to a soft light box.

Background

The soft light box can soften the light of getting out of the light source, makes the photo look more natural, and its principle is that the stiff perpendicular light passes through high temperature resistant translucent plastic, turns into soft diffuse light, eliminates the annoying high light spot on portrait and other shooting objects, makes your photo beautifully natural like what was shot in the studio.

The lantern soft light box is one of the lantern-shaped huge structures in the field of the lantern soft light box, so that the lantern soft light box needs to be designed in consideration of the requirement that the lantern soft light box is convenient to fold due to the fact that the lantern-shaped huge structures are formed in the work process, and the purposes that products are convenient to package and transport and users are convenient to carry are achieved.

The connection between the umbrella frame and the upper base and the connection between the umbrella frame and the lower base in the existing lantern soft light box are unreliable. Particularly, the outer lane that current lantern soft light case can generally embolia an annular steel wire at last base and lower base, then punch at rib frame's both ends, let arrange the hole site that the steel wire on last base passed rib frame one end, then let the hole site that the steel wire arranged on the base passes the rib frame other end down, this kind is not too reliable as the intensity of pivot structure with the steel wire, cracked problem all appears very easily in rib frame's both ends, seriously influence user's use and experience.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a soft light box, which mainly solves the technical problem that the two ends of an umbrella rib frame in the existing lantern soft light box are easy to break.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a soft light box, which comprises an upper base, a lower base, a plurality of umbrella rib frames and a pull rod; a plurality of upper mounting grooves which are arranged at intervals are formed in the circumferential direction of the edge of the upper base, and an upper rotating groove is formed in the wall of each upper mounting groove; a plurality of lower mounting grooves which are arranged at intervals are formed in the circumferential direction of the edge of the lower base, and a lower rotating groove is formed in the groove wall of each lower mounting groove; the plurality of umbrella rib frames comprise umbrella ribs, a first rotating rib position connected to one end of each umbrella rib and a second rotating rib position connected to the other end of each umbrella rib; a first rotating shaft is arranged on the first rotating rib, a second rotating shaft is arranged on the second rotating rib, the first rotating shaft can be rotatably inserted into the upper rotating groove, and the second rotating shaft can be rotatably inserted into the lower rotating groove; the first end of the pull rod is connected to the upper base, the second end of the pull rod extends towards the lower base, and the length of the pull rod from the first end to the second end is smaller than the extension length of the umbrella ribs; the second end of the pull rod can be clamped with the lower base seat, so that the umbrella ribs are bent back to the pull rod.

In one embodiment, the upper base comprises a first annular disc and a first annular clamping plate, the upper mounting grooves are all arranged at the edge of the first annular disc, a first notch is formed in the side wall of each upper mounting groove of the first annular disc, a plurality of protruding first inserting parts are arranged on the end face, facing the first annular disc, of the first annular clamping plate, and when the first inserting parts are inserted into the first notches, the upper rotating grooves are formed by the first inserting parts and the groove walls of the first notches together.

In one embodiment, the lower base comprises a second annular disc and a second annular clamping plate, the lower mounting grooves are all arranged at the edge of the second annular disc, a second notch is formed in each of the two sides of the lower mounting groove of the second annular disc, a plurality of convex second inserting parts are arranged on the end face, facing the second annular disc, of the second annular clamping plate, and when the second inserting parts are inserted into the second notches, the second inserting parts and the groove walls of the second notches form the lower rotating groove together.

In one embodiment, the outer wall of the first insertion-connection part has a first arc-shaped curved surface, and the first arc-shaped curved surface and the groove wall of the first groove opening together form the upper rotating groove.

In one embodiment, the outer wall of the second insertion part has a second arc-shaped curved surface, and the second arc-shaped curved surface and the groove wall of the second groove opening together form the lower rotating groove.

In one embodiment, the LED lamp further comprises a snap ring used for being connected with an external light source, and the snap ring is fixed on one side, facing away from the lower base, of the upper base.

In one embodiment, the lower base is provided with a hook extending along the radial direction of the lower base, the hook is provided with at least one hook groove, the notch of the hook groove faces away from the upper base, and the second end of the pull rod can be clamped into the hook groove.

In one embodiment, a plurality of hooks extending along the circumferential direction of the lower base are arranged on the lower base, at least one hook groove is formed in each hook, the notch of each hook groove faces away from the upper base, and the second end of the pull rod can be clamped into the hook groove.

In one embodiment, the lower base is provided with an arc-shaped limiting hole formed along the circumferential direction of the lower base, and when the second end of the pull rod is clamped with the lower base, the second end of the pull rod penetrates through the arc-shaped limiting hole.

In one embodiment, the second end of the pull rod is connected with a connecting piece, a convex point protruding towards the upper base is arranged on the connecting piece, a clamping groove is arranged on the lower base, and the convex point on the connecting piece can be clamped into the clamping groove.

Compared with the prior art, the utility model provides a soft light box's beneficial effect lies in:

in order to solve the problem that the two ends of the umbrella rib frame are easy to break, firstly, the rotating bone positions (namely, the first rotating bone position and the second rotating bone position) are arranged at the two ends of each umbrella rib so as to improve the bending bearing strength at the two ends of each umbrella rib, and secondly, a rotating shaft is arranged on each rotating bone position so as to further ensure that each rotating bone position has very high bending bearing strength when being connected with an upper base/a lower base. Particularly, the first rotating shaft on the first rotating bone position is inserted into the upper rotating groove on the upper base to realize the rotating connection between the first rotating bone position and the upper base, and the second rotating shaft on the second rotating bone position is inserted into the lower rotating groove on the lower base to realize the rotating connection between the second rotating bone position and the lower base.

In addition, because the upper rotating groove is arranged on the groove wall of the upper mounting groove, the first rotating shaft on the first rotating bone position can be hidden in the upper rotating groove, so that a user can not see the first rotating shaft on the first rotating bone position; similarly, the lower rotating groove is arranged at one side of the lower mounting groove, so that the second rotating shaft at the second rotating bone position is hidden in the lower mounting groove, and a user cannot see the second rotating shaft at the second rotating bone position; thereby improving the aesthetic degree of the lantern soft light box product;

compared with the prior art, the problem that the two ends of the umbrella rib frame in the lantern soft light box are broken hardly occurs, the lantern soft light box has the advantages of being high in use reliability and attractive in appearance, the service life of the lantern soft light box product is greatly prolonged, and the use experience of a user is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a soft box provided in the present application in a folded state;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic view of the assembly of the upper base and the first rotational bone position in the present application;

FIG. 5 is an exploded view of the upper base and first rotational bone position of the present application;

FIG. 6 is an exploded view of the upper base and first rotational bone position of the present application;

FIG. 7 is an assembled view of the lower base and second rotating bone site of the present application;

FIG. 8 is an exploded view of the lower base and second rotating bone site of the present application;

FIG. 9 is a first schematic structural view of a soft box according to the present application in an unfolded state;

FIG. 10 is an enlarged view of a portion of FIG. 9 at A;

FIG. 11 is a second schematic structural view of a soft box according to the present disclosure in an unfolded state;

FIG. 12 is an enlarged view of a portion of FIG. 11 at A;

FIG. 13 is a schematic view of a soft box according to the present application with soft cloth on the outer surface;

FIG. 14 is a second structural view of the present application with the lower base and the pull rod engaged;

fig. 15 is a third structural schematic diagram of the lower base and the pull rod of the present application being clamped together.

Wherein, in the figures, the respective reference numerals:

1. an upper base; 11. a first annular disc; 111. mounting a mounting groove; 112. a first notch; 113. positioning the jack; 114. a groove; 12. a first annular splint; 121. a first insertion part; 1211. a first curved surface; 122. positioning the projection; 123. a screw hole; 13. an upper rotating groove;

2. a lower base; 21. a second annular disc; 211. a lower mounting groove; 212. a second notch; 213. a hook; 2131. a hook groove; 214. a card slot; 215. an arc-shaped limiting hole; 22. a second annular splint; 221. a second insertion part; 2211. a second curved surface; 23. a lower rotating groove;

3. a snap ring; 4. a pull rod; 41. an external thread;

5. an umbrella frame; 51. umbrella ribs; 52. a first rotational bone position; 521. a first rotating shaft; 522. inserting holes; 53. a second rotational bone position; 531. a second rotating shaft;

6. a connecting nut; 7. adjusting the nut; 8. screwing the screw by hand; 9. a connecting member; 91. salient points; 10. soft light cloth.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and thus should not be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 13 together, a soft light box according to an embodiment of the present application will be described in detail. The soft light box of the present embodiment mainly includes a hollow upper base 1, a hollow lower base 2, a hollow snap ring 3, a pull rod 4, and a plurality of rib frames 5.

Referring to fig. 2, 4-6, the upper base 1 includes a first annular disc 11 and a first annular clamping plate 12, the first annular disc 11 and the first annular clamping plate 12 are of a concave-convex positioning assembly structure, specifically, the first annular disc 11 is provided with a plurality of positioning insertion holes 113, the first annular clamping plate 12 is provided with a plurality of positioning protrusions 122, the positioning protrusions 122 are inserted into the positioning insertion holes 113 and then are locked by screws to realize the fixed connection between the first annular disc 11 and the first annular clamping plate 12, the concave-convex positioning assembly structure is used to facilitate the assembly of the first annular disc 11 and the first annular clamping plate 12, and the relative position accuracy between the first annular disc 11 and the first annular clamping plate 12 can be improved, in addition, the first annular disc 11 is further provided with a plurality of grooves 114, and the grooves 114 can reduce the mass of the first annular disc 11 on one hand, on the other hand, the material consumption of the first annular disc 11 can be reduced, so that the production cost of the product is reduced. Of course, in other embodiments, the positioning protrusion 122 may be disposed on the first annular disc 11, and the positioning insertion hole 113 is disposed on the first annular clamping plate 12.

Referring to fig. 2, in the present embodiment, the snap ring 3 is fixed on the top of the first annular clamp 12 by the hand screw 8, in other embodiments, the snap ring 3 can also be fixed on the first annular disc 11 after the hand screw 8 passes through the first annular clamp 12, therefore, it is within the scope of the present application as long as the snap ring 3 is fixed on the top of the upper base 1. And buckle ring 3's effect lies in being connected to on the light source (like the flash light) of outside, and the fixed mode that adopts hand screw 8 has the advantage of convenient to detach buckle ring 3 to satisfy and connect the user demand of changing different buckle rings 3 according to different light sources, of course, buckle ring 3 and top base 1's connected mode is not limited to the structural design who adopts hand screw 8, for example: the snap ring 3 can also be snap-fitted to the upper base 1.

Referring to fig. 1, 2, 5, 9 and 10, in the present embodiment, the pull rod 4 is fixed at the bottom of the first annular disc 11, but in other embodiments, the pull rod 4 may also be fixed at the first annular clamp 12, so that it is within the scope of the present application as long as the pull rod 4 is fixed at the upper base 1. Specifically, the top end of the pull rod 4 is provided with an external thread 41, the external thread 41 is screwed with the connecting nut 6, the first annular clamp plate 12 is provided with a through screw hole 123, when assembling, the connecting nut 6 is firstly pushed against the bottom of the first annular disc 11, then the screw penetrates through the screw hole 123 and is screwed into the internal thread of the connecting nut 6, and the pull rod 4 can be fixed on the upper base 1. In addition, the external thread 41 at the top end of the pull rod 4 can be sleeved with an adjusting nut 7, the adjusting nut 7 is positioned below the connecting nut 6 to further lock the connecting nut 6 and prevent the connecting nut 6 from loosening, and the adjusting nut 7 also plays a role in adjusting the relative position of the connecting nut 6 at the top end of the pull rod 4 to eliminate the processing error of the pull rod 4 in the length direction, so that the pull rod 4 can be reliably fixed on the upper base 1. The pull rod 4 has a connection state detachably connected with the lower base 2 and a separation state separated from the lower base 2, and when the pull rod 4 is in the connection state, the plurality of umbrella ribs 51 are bent back to the pull rod 4; when the pull rod 4 is in the separated state, the plurality of ribs 51 naturally extend. It should be noted that, the clamping in the present application may be understood that one component is firmly abutted against another component, and may also be specifically understood that one component is clamped into a clamping groove of another component.

Referring to fig. 1-10, each of the umbrella rib frames 5 includes an umbrella rib 51, a first rotating rib 52 and a second rotating rib 53, wherein the first rotating rib 52 and the second rotating rib 53 are both provided with an insertion hole 522, one end of the umbrella rib 51 is inserted into the insertion hole 522 of the first rotating rib 52, and the other end of the umbrella rib 51 is inserted into the insertion hole 522 of the second rotating rib 53. In the present embodiment, the rib 51 and the first rotating rib 52, and the rib 51 and the second rotating rib 53 are adhered together by glue, and when the detachment is required, the rib 51 and the first rotating rib 52/the second rotating rib 53 can be separated by softening the glue with a hot air gun. In addition, one end of the first rotating rib 52 is provided with a first rotating shaft 521 extending towards two sides, one end of the second rotating rib 53 is provided with a second rotating shaft 531 extending towards two sides, and the first rotating shaft 521 and the second rotating shaft 531 are both in solid design.

The following is a specific design concept for each rib frame 5 to be attached to the upper base 1:

referring to fig. 2, 4-6, 9-10, the present application provides a plurality of upper mounting grooves 111 on an outer ring of the first annular disc 11, wherein the upper mounting grooves 111 penetrate the first annular disc 11 along an axial direction of the first annular disc 11, the present application further provides first notches 112 with an opening at one end on both sides of each upper mounting groove 111, the present application provides a plurality of protruding first inserting portions 121 on the outer ring of the bottom of the first annular clamping plate 12, and an outer wall of the first inserting portion 121 has a first arc-shaped curved surface 1211. When the first inserting part 121 of the first annular clamping plate 12 is inserted into the first notch 112 of the first annular disc 11, the first arc-shaped curved surface 1211 and the groove wall of the first notch 112 together form the upper rotating groove 13. During assembly, the first rotating shaft 521 on the first rotating bone 52 is firstly slid into the first notch 112, and then the first inserting portion 121 on the first annular clamping plate 12 is inserted into the first notch 112 on the first annular disc 11, at this time, the first rotating shaft 521 on the first rotating bone 52 is limited in the upper rotating groove 13. That is, the first rotating shaft 521 on the first rotating rib 52 can rotate around the upper rotating groove 13, so as to meet the design requirement that the first rotating rib 52 needs to rotate on the upper base 1 when the umbrella rib 51 bends and deforms. More specifically, just because the upper rotating groove 13 is formed by splicing the first annular disc 11 and the first annular clamping plate 12, the first rotating shaft 521 on the first rotating rib 52 is hidden between the first annular disc 11 and the first annular clamping plate 12, so that the user cannot see the first rotating shaft 521 on the first rotating rib 52, and the aesthetic degree of the lantern soft light box product is further improved. Of course, in other embodiments, the upper mounting groove 111 and the first notch 112 may be designed on the first annular clamping plate 12, and the first inserting portion 121 may be designed on the first annular disc 11, so that it falls within the scope of the present application as long as the first annular disc 11 and the first annular clamping plate 12 are spliced to each other to form the upper rotating groove 13 for limiting the first rotating shaft 521 on the first rotating rib 52.

The following is a specific design concept for each rib frame 5 to be attached to the lower base 2:

referring to fig. 3, 7-9, the present application designs the lower base 2 to be composed of a second annular disc 21 and a second annular clamping plate 22, the present application sets a plurality of lower mounting grooves 211 on the outer ring of the second annular disc 21, the lower mounting grooves 211 penetrate the second annular disc 21 along the axial direction of the second annular disc 21, the present application also sets a second notch 212 with an open end on both sides of each lower mounting groove 211, the present application sets a plurality of convex second inserting parts 221 on the outer ring of the bottom of the second annular clamping plate 22, and the outer wall of the second inserting part 221 has a second arc-shaped curved surface 2211. When the second inserting portion 221 of the second annular clamping plate 22 is inserted into the second notch 212 of the second annular disc 21, the second arc-shaped curved surface 2211 and the groove wall of the second notch 212 together form the lower rotating groove 23. During assembly, the second rotating shaft 531 on the second rotating rib 53 is firstly slid into the second notch 212, and then the second inserting portion 221 on the second annular clamping plate 22 is inserted into the second notch 212 on the second annular disc 21, at this time, the second rotating shaft 531 on the second rotating rib 53 is limited in the lower rotating groove 23, that is, the second rotating shaft 531 on the second rotating rib 53 can rotate around the lower rotating groove 23, so as to meet the design requirement that the second rotating rib 53 needs to rotate on the lower base 2 when the umbrella rib 51 is bent and deformed. More specifically, just as the lower rotating groove 23 is formed by splicing the second annular disc 21 and the second annular clamping plate 22, the second rotating shaft 531 on the second rotating rib 53 is hidden between the second annular disc 21 and the second annular clamping plate 22, so that the user cannot see the second rotating shaft 531 on the second rotating rib 53, and the aesthetic degree of the lantern soft light box product is further improved. Of course, in other embodiments, the lower mounting groove 211 and the second notch 212 may be designed on the second annular clamping plate 22, and the second inserting portion 221 may be designed on the second annular disc 21, so that it is within the scope of the present application as long as the second annular disc 21 and the second annular clamping plate 22 are spliced to each other to form the lower rotating groove 23 for limiting the second rotating shaft 531 on the second rotating rib 53.

More specifically, referring to fig. 7-8 and 12, the lower base 2 is provided with a hook 213 extending along the radial direction of the lower base 2, the hook 213 has at least one hook groove 2131, the notch of the hook groove 2131 faces away from the upper base 1, and the end of the pull rod 4 facing away from the upper base 1 can be snapped into the hook groove 2131. When the number of the hook grooves 2131 is a plurality designed at intervals, a user can snap into different hook grooves 2131 according to the pull rod 4, thereby ensuring that the pull rod 4 and the lower base 2 can be firmly snapped together.

When the framework needs to be unfolded and the soft light box is used, a user needs to firstly sleeve the matched soft light cloth 10 outside the framework, the lower base 2 of the framework is positioned at the bottom of the soft light cloth 10 after the sleeve is completed, and the upper base 1 of the framework is positioned at the top of the soft light cloth 10, and the lower base 2 is taken as a fixed end, when downward pressure is applied to the upper base 1, the umbrella frame 5, which is originally in a freely extending state, will gradually bend outwards (at this time, the first rotating rib 52 on each umbrella frame 5 will rotate around the upper base 1, and the second rotating rib 53 on each umbrella frame 5 will rotate around the lower base 2), when the pull rod 4 is engaged with the hooks 213 of the lower base 2 (as shown in fig. 11 and 12), the umbrella frames 5 will be deformed into a lantern-like structure, thereby completely supporting the soft light cloth 10 to form a lantern-shaped soft light box as shown in fig. 13.

When the framework needs to be folded and carried, the pull rod 4 is only needed to be separated from the lower base 2, at this time, each umbrella rib frame 5 can be restored to the freely extending state shown in fig. 1 from the bending state (the umbrella ribs 51 in the freely extending state can be designed into straight lines, and the umbrella ribs 51 can also be designed into free bending), and finally, the soft light cloth 10 sleeved outside the framework is taken out.

In conclusion, the rotating shaft on each rotating bone position can be made to be solid, so that the rotating bone position has very high bending bearing strength when being connected with the upper base 1/the lower base 2. Therefore, compare with prior art, cracked problem can hardly appear at every rib frame 5's of this application lantern sheen incasement both ends, and it has the advantage that the reliability of use is higher and the outward appearance is pleasing to the eye, has greatly prolonged the life of lantern sheen case product, improves user's use and experiences.

Referring to fig. 14, in another embodiment, the clamping structure between the pull rod 4 and the lower base 2 can be designed as follows: the lower base 2 is provided with a plurality of hooks 213 extending along the circumferential direction of the lower base 2, the hooks 213 are provided with at least one hook groove 2131, the notch of the hook groove 2131 faces away from the upper base 1, and the end of the pull rod 4 facing away from the upper base 1 can be clamped into the hook groove 2131. In the present embodiment, the two hooks 213 are disposed on the second annular disc 21, but in other embodiments, the two hooks 213 may also be disposed on the second annular clamping plate 22. In the present embodiment, the pull rod 4 needs to be pressed and then rotated to be hooked into the hook groove 2131 of the hook 213. When the number of the hook grooves 2131 is a plurality designed at intervals, a user can snap into different hook grooves 2131 according to the pull rod 4, thereby ensuring that the pull rod 4 and the lower base 2 can be firmly snapped together.

Referring to fig. 15, in another embodiment, the engaging structure between the pull rod 4 and the lower base 2 can be further designed as follows: this application has also welded a connecting piece 9 in the bottom of pull rod 4 to set up two bumps 91 at the top of connecting piece 9, correspondingly, this application has set up two draw-in grooves 214 on lower base 2, still is provided with the spacing hole 215 of arc of seting up along lower base 2's circumference on lower base 2, in this embodiment, two draw-in grooves 214 and the spacing hole 215 of arc all arrange on second annular disc 21, of course, in other embodiments, two draw-in grooves 214 also can arrange on second annular splint 22. After the pull rod 4 is pressed downwards and then rotates along the arc-shaped limiting hole 215, the two convex points 91 on the connecting piece 9 can be clamped into the two clamping grooves 214, and at the moment, the fixed connection between the pull rod 4 and the lower base 2 can be realized.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A soft light box, its characterized in that: the method comprises the following steps:

the device comprises an upper base (1), wherein a plurality of upper mounting grooves (111) arranged at intervals are formed in the circumferential direction of the edge of the upper base (1), and an upper rotating groove (13) is formed in the groove wall of each upper mounting groove (111);

the device comprises a lower base (2), wherein a plurality of lower mounting grooves (211) are formed in the circumferential direction of the edge of the lower base (2) at intervals, and lower rotating grooves (23) are formed in the groove walls of the lower mounting grooves (211);

the umbrella frame comprises a plurality of umbrella ribs (5), wherein each umbrella rib (5) comprises an umbrella rib (51), a first rotating rib position (52) connected to one end of each umbrella rib (51) and a second rotating rib position (53) connected to the other end of each umbrella rib (51); a first rotating shaft (521) is arranged on the first rotating rib position (52), a second rotating shaft (531) is arranged on the second rotating rib position (53), the first rotating shaft (521) can be rotatably inserted into the upper rotating groove (13), and the second rotating shaft (531) can be rotatably inserted into the lower rotating groove (23);

the first end of the pull rod (4) is connected to the upper base (1), the second end of the pull rod (4) extends towards the lower base, and the length of the pull rod (4) from the first end to the second end is smaller than the extension length of the umbrella ribs (51); the second end of the pull rod (4) can be clamped with the lower base (2) so that the umbrella ribs (51) bend back to the pull rod (4).

2. The soft box of claim 1, wherein: the upper base (1) comprises a first annular disc (11) and a first annular clamping plate (12), the upper mounting grooves (111) are arranged at the edge of the first annular disc (11), first notches (112) are formed in the side walls of the upper mounting grooves (111) of the first annular disc (11), a plurality of first protruding inserting parts (121) are arranged on the end face, facing the first annular disc (11), of the first annular clamping plate (12), and when the first inserting parts (121) are inserted into the first notches (112), the first inserting parts (121) and the groove walls of the first notches (112) jointly form the upper rotating groove (13).

3. The soft box of claim 1, wherein: lower base (2) include second annular disc (21) and second annular splint (22), and is a plurality of lower mounting groove (211) all set up the border of second annular disc (21), second notch (212) have all been seted up in the both sides of mounting groove (211) under each to second annular disc (21), second annular splint (22) are provided with a plurality of bellied second grafting portions (221) on the terminal surface towards second annular disc (21), second grafting portion (221) peg graft in when second notch (212) is interior, second grafting portion (221) with the cell wall of second notch (212) forms down rotation groove (23) jointly.

4. The soft box of claim 2, wherein: the outer wall of the first inserting part (121) is provided with a first arc-shaped curved surface (1211), and the first arc-shaped curved surface (1211) and the groove wall of the first groove opening (112) jointly form the upper rotating groove (13).

5. The soft box of claim 3, wherein: the outer wall of the second inserting part (221) is provided with a second arc-shaped curved surface (2211), and the second arc-shaped curved surface (2211) and the groove wall of the second groove opening (212) jointly form the lower rotating groove (23).

6. The soft box of claim 1, wherein: the soft light box further comprises a clamping ring (3) connected with an external light source, and the clamping ring (3) is fixed on one side, back to the lower base (2), of the upper base (1).

7. The soft box of any one of claims 1-6, wherein: the lower base (2) is provided with a clamping hook (213) extending along the radial direction of the lower base (2), the clamping hook (213) is provided with at least one hook groove (2131), the notch of the hook groove (2131) faces away from the upper base (1), and the second end of the pull rod (4) can be clamped into the hook groove (2131).

8. The soft box of any one of claims 1-6, wherein: the lower base (2) is provided with a plurality of hooks (213) extending along the circumferential direction of the lower base (2), the hooks (213) are provided with at least one hook groove (2131), the notch of the hook groove (2131) faces away from the upper base (1), and the second end of the pull rod (4) can be clamped into the hook groove (2131).

9. The soft box of any one of claims 1-6, wherein: be provided with on lower base (2) along arc spacing hole (215) that the circumference of lower base (2) was seted up, work as the second end of pull rod (4) with when lower base (2) looks joint, the second end of pull rod (4) passes arc spacing hole (215).

10. The soft box of any one of claims 1-6, wherein: the second end of pull rod (4) is connected with connecting piece (9), be provided with bellied bump (91) of base (1) direction that makes progress on connecting piece (9), be provided with draw-in groove (214) down on base (2), bump (91) on connecting piece (9) can be gone into in draw-in groove (214).

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