LED box body with variable radian

Abstract

The utility model relates to the technical field of LED box bodies, in particular to a radian-variable LED box body which comprises a frame body, the frame body comprises a first supporting body and a second supporting body, and a hinge assembly and an adjusting assembly are arranged between the first supporting body and the second supporting body. The adjusting assembly comprises a guide cylinder with one end capable of being installed on the second supporting body in a swinging mode and a guide rod capable of being movably inserted into the guide cylinder, and one end of the guide rod is installed on the first supporting body in a swinging mode. When the bending degree of the hinge assembly needs to be adjusted, the depth of the guide rod inserted into the guide cylinder can be adjusted, the swinging angles of the guide rod and the guide cylinder are different according to different insertion depths, and when the depth of the guide rod inserted into the guide cylinder is large, the bending degree of the hinge assembly is small; on the contrary, when the guide rod is inserted into the guide cylinder slightly, the bending degree of the hinge assembly is large; the radian of the hinge assembly provided with the flexible screen can be adjusted, and the hinge assembly is suitable for different scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED box body technical field especially relates to a variable arc's LED box body. BACKGROUND

[0002] The internal structure of the current LED power supply assembly is mostly stacked up and down, that is, the power supply assembly is placed on the display module, and the power supply assembly is composed of a HUB card assembly and a power supply assembly, and the power supply assembly is stacked on the HUB card assembly.

[0003] The structure of the LED power supply assembly has the following disadvantages: with the increase of function cards, the thickness of the entire power supply assembly increases, eventually leading to the thickening of the entire box; the up-down stacked structure is difficult to dissipate heat, leading to an increase in heat dissipation problems and affecting the service life of the LED box; when maintaining the power supply, the module needs to be disassembled first, and the maintenance steps are complicated.

[0004] Among them, the utility model discloses a kind of LED box body, including HUB card, LED display module, frame, power supply assembly, the power supply assembly includes plug, the power supply assembly side plug is connected on the HUB card, the LED module is arranged in the frame one side, the power supply assembly and the HUB card are arranged in the other side of the frame.The plug includes gold finger side plug, or large current round pin side plug, or multiple pin copper needle side plug.The utility model distributes and sets up the power supply assembly and HUB card transversely, not the traditional stacked relationship, so that heat dissipation is good;The plug of power supply assembly, i.e. output end supports three forms, and is flexibly selected according to space structure and current size;Power output end uses plug instead of wired connection, which can achieve excellent EMC effect.

[0005] Most of the existing LED box bodies are used for installing flat plane LED screens, with the development of the times, some flexible screens appear, and the existing plane type LED box body cannot meet the installation needs of flexible screens. UTILITY MODEL CONTENTS

[0006] The utility model aims at the deficiency of prior art to provide a variable arc's LED box body.

[0007] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0008] A variable-arc LED box body comprises a frame body, the frame body comprising a first support body and a second support body, a hinge assembly capable of being flexibly bent being arranged between the first support body and the second support body, and an adjusting assembly capable of adjusting the bending degree of the hinge assembly; the adjusting assembly comprising a guide cylinder capable of swinging at one end and mounted on the second support body and a guide rod capable of being flexibly inserted into the guide cylinder, one end of the guide rod being capable of swinging and mounted on the first support body.

[0009] Further, the hinge assembly comprises a plurality of gap-arranged hinge plates, one long side of the hinge plate being formed with a movable groove, and the other long side of the hinge plate being formed with a movable block, the hinge plates being movably connected through the movable grooves and the movable blocks.

[0010] Further, the hinge plate is formed with a plurality of mounting holes for mounting the screen.

[0011] Further, the guide rod is formed with a sawtooth protruding structure along the length direction, and the guide cylinder is formed with a sawtooth groove matched with the sawtooth protruding structure.

[0012] Further, the guide cylinder is formed with a locking cylinder along the way, the locking cylinder movably mounting a locking rod, and the locking rod being capable of being radially inserted into the guide cylinder.

[0013] Further, the locking cylinder is mounted with a swinging rod at the outer end, the swinging rod is formed with a cam block at the inner end, the cam block is connected with the outer end of the locking rod, and the outer end wall of the locking cylinder is formed with an arc-shaped groove for the movable cam block.

[0014] Further, the cam block is formed with an outer connecting hole, the outer end of the locking rod is radially formed with an inner connecting hole coaxially aligned with the outer connecting hole, and a connecting shaft is arranged between the outer connecting hole and the inner connecting hole.

[0015] Further, two or more adjusting assemblies are arranged between the first support body and the second support body, and a connecting strip is connected between the adjacent two guide cylinders.

[0016] Further, the first support body is formed with a first mounting block, the top of the first mounting block is formed with a first connecting protrusion, and one end of the guide rod is formed with a first connecting groove rotatably connected with the first connecting protrusion.

[0017] Further, the second support body is formed with a second mounting block, the top of the second mounting block is formed with a second connecting protrusion, and one end of the guide cylinder is formed with a second connecting groove rotatably connected with the second connecting protrusion.

[0018] The utility model discloses a beneficial effect: when needing to adjust the flexibility of the hinge assembly, the depth of the guide rod inserted into the guide cylinder can be adjusted, the depth of insertion is different, the angle of the guide rod and the guide cylinder swing is different, when the depth of the guide rod inserted into the guide cylinder is larger, the flexibility of the hinge assembly is smaller, on the contrary, when the depth of the guide rod inserted into the guide cylinder is shallower, the flexibility of the hinge assembly is larger, the flexibility of the hinge assembly installed with the flexible screen can be adjusted, and be applicable to different scenes. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structural diagram of LED box.

[0020] Figure 2 It is the structural diagram of hinge assembly.

[0021] Figure 3 It is the structural diagram of frame main body.

[0022] Figure 4 It is the structural diagram of the connection between first support main body and second support main body.

[0023] Figure 5 It is the structural diagram of adjusting assembly.

[0024] The drawing mark includes:

[0025] 1-frame main body,

[0026] 11-first support main body, 12-second support main body, 13-hinge assembly, 14-hinge plate,

[0027] 15-movable slot, 16-movable block, 17-mounting hole, 18-connection strip,

[0028] 2-adjusting assembly,

[0029] 20-guide rod, 21-guide cylinder, 22-first mounting block, 23-first connection protrusion,

[0030] 24-first connection groove, 25-second mounting block, 26-second connection protrusion, 27-second connection groove, 28-sawtooth protrusion structure,

[0031] 3-lock cylinder,

[0032] 31-lock rod, 32-arc slot, 33-cam block, 34-outer connection hole, 35-inner connection hole,

[0033] 36-connection shaft, 37-swinging rod, 38-sawtooth slot. DETAILED DESCRIPTION

[0034] The utility model is described in detail below in connection with the drawings.

[0035] As Figures 1-5 shown, a variable arc LED box, comprising a frame body 1, the frame body 1 comprises a first support body 11 and a second support body 12, a hinge assembly 13 capable of being flexibly bent is arranged between the first support body 11 and the second support body 12, and an adjusting assembly 2 capable of adjusting the bending degree of the hinge assembly 13 is arranged.

[0036] The adjusting assembly 2 comprises a guide cylinder 21 swingably mounted at the second support body 12 and a guide rod 20 movably inserted into the guide cylinder 21, one end of the guide rod 20 is swingably mounted at the first support body 11.

[0037] When the bending degree of the hinge assembly 13 needs to be adjusted, the depth of the guide rod 20 inserted into the guide cylinder 21 can be adjusted, the angle of the guide rod 20 and the guide cylinder 21 swings differently when the depth of the guide rod 20 inserted into the guide cylinder 21 is different, when the depth of the guide rod 20 inserted into the guide cylinder 21 is larger, the bending degree of the hinge assembly 13 is smaller, and vice versa, when the depth of the guide rod 20 inserted into the guide cylinder 21 is shallower, the bending degree of the hinge assembly 13 is larger, the arc of the hinge assembly 13 mounted with the flexible screen can be adjusted, and it is suitable for different scenes.

[0038] The hinge assembly 13 comprises a plurality of hinge plates 14 arranged with gaps, one side long edge of the hinge plate 14 is formed with a movable groove 15, the other side long edge of the hinge plate 14 is formed with a movable block 16, the hinge plate 14 and the hinge plate 14 are movably connected through the movable groove 15 and the movable block 16; when the hinge plate 14 and the hinge plate 14 produce an arc angle, the movable block 16 and the movable groove 15 movably cooperate to realize the adjustment of the angle, and the installation of the flexible screen is facilitated. The leftmost hinge plate 14 is connected with the first support body 11, and the rightmost hinge plate 14 is connected with the second support body 12.

[0039] Further, the hinge plate 14 is formed with a plurality of mounting holes 17 for mounting the screen, and the flexible screen is mounted through the plurality of mounting holes 17 to prevent the screen from falling off the frame body 1.

[0040] The guide rod 20 is formed with a sawtooth protruding structure 28 along the length direction, and the guide cylinder 21 is formed with a sawtooth groove 38 frictionally matched with the sawtooth protruding structure 28. The guide cylinder 21 is formed with a locking cylinder 3 along the way, the locking cylinder 3 movably mounts a locking rod 31, and the locking rod 31 can be radially inserted into the guide cylinder 21. In this embodiment, the sawtooth structure of the guide rod 20 and the sawtooth groove 38 of the guide cylinder 21 are frictionally matched, which can improve the sliding friction force, after the angle is adjusted, the locking rod 31 is inserted into the guide cylinder 21 and frictionally matched with the sawtooth structure of the guide rod 20, at this time, the guide rod 20 will not slide in the guide cylinder 21, the locking of the guide rod 20 is realized, and the angle change of the hinge assembly 13 is prevented.

[0041] The outer end of the locking cylinder 3 is provided with a swing lever 37, and the inner end of the swing lever 37 is formed with a cam block 33, the cam block 33 is connected with the outer end of the locking rod 31, and the outer end wall of the locking cylinder 3 is formed with an arc-shaped slot 32 for the movement of the cam block 33; when the cam block 33 rotates, the position of the axis will change, and the locking rod 31 connected with the cam block 33 will move along the axial direction of the locking cylinder 3, so as to adjust the axial position of the locking rod 31, and approach or move away from the guide cylinder 21.

[0042] Further, the cam block 33 is formed with an outer connecting hole 34 along the axis, the outer end of the locking rod 31 is radially formed with an inner connecting hole 35 coaxially aligned with the outer connecting hole 34, and the connecting shaft 36 is arranged between the outer connecting hole 34 and the inner connecting hole 35; by rotating the cam block 33 by rotating the swing lever 37, the locking rod 31 can be driven to approach or move away from the guide cylinder 21, so as to realize the locking effect of the guide rod 20.

[0043] The first support body 11 and the second support body 12 are arranged with two or more than two adjusting assemblies 2, and the adjacent two guide cylinders 21 are connected with the connecting strip 18. The plurality of adjusting assemblies 2 can improve the stability during angle adjustment.

[0044] The first support body 11 is formed with a first mounting block 22, the top of the first mounting block 22 is formed with a first connecting protrusion 23, one end of the guide rod 20 is formed with a first connecting groove 24 rotatably connected with the first connecting protrusion 23. The guide rod 20 is rotatably connected with the first connecting protrusion 23 through the first connecting groove 24, so as to facilitate the bending degree adjustment of the hinge assembly 13; similarly, the second support body 12 is formed with a second mounting block 25, the top of the second mounting block 25 is formed with a second connecting protrusion 26, and one end of the guide cylinder 21 is formed with a second connecting groove 27 rotatably connected with the second connecting protrusion 26; the guide cylinder 21 is rotatably connected with the second connecting protrusion 26 through the second connecting groove 27, so as to facilitate the bending degree adjustment of the hinge assembly 13.

[0045] As can be seen from the above, the utility model has the excellent characteristics described above, and can improve the performance of the prior art and has practicality, and becomes a product with high practical value.

[0046] The above content is only the preferred embodiment of the utility model, and for the ordinary skilled in the art, according to the idea of the utility model, the specific implementation mode and application range can be changed, and the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A variable arc LED troffer comprising a frame body, characterized by: The frame body comprises a first support body and a second support body, and a hinge assembly capable of being flexibly bent and an adjusting assembly capable of adjusting the bending degree of the hinge assembly are arranged between the first support body and the second support body; The adjusting assembly comprises a guide cylinder swingably mounted on the second support body and a guide rod swingably inserted into the guide cylinder, and one end of the guide rod is swingably mounted on the first support body; The hinge assembly comprises a plurality of gap-arranged hinge plates, one side long edge of each hinge plate is formed with a movable groove, and the other side long edge of each hinge plate is formed with a movable block, and the hinge plates are movably connected with each other through the movable grooves and the movable blocks; The hinge plates are formed with a plurality of mounting holes for mounting the screen; The guide rod is formed with a sawtooth protruding structure along the length direction, and the guide cylinder is formed with a sawtooth groove in frictional fit with the sawtooth protruding structure; The guide cylinder is formed with a locking cylinder along the way, and the locking cylinder is movably mounted with a locking rod, and the locking rod can be radially inserted into the guide cylinder; The outer end of the locking cylinder is mounted with a swing rod, the inner end of the swing rod is formed with a cam block, the cam block is connected with the outer end of the locking rod, and the outer end wall of the locking cylinder is formed with an arc-shaped groove for the movable cam block; The cam block is formed with an outer connecting hole, the outer end of the locking rod is radially formed with an inner connecting hole coaxially aligned with the outer connecting hole, and a connecting shaft is arranged between the outer connecting hole and the inner connecting hole.

2. A variable arc LED fixture as described in claim 1, wherein: Two or more adjusting assemblies are arranged between the first support body and the second support body, and a connecting strip is connected between the adjacent two guide cylinders.

3. The variable arc LED fixture of claim 1, wherein: The first support body is formed with a first mounting block, the top of the first mounting block is formed with a first connecting protrusion, one end of the guide rod is formed with a first connecting groove in rotational connection with the first connecting protrusion.

4. A variable arc LED fixture as defined in claim 3, wherein: The second support body is formed with a second mounting block, the top of the second mounting block is formed with a second connecting protrusion, and one end of the guide cylinder is formed with a second connecting groove in rotational connection with the second connecting protrusion.

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