Foldable LED display screen

Abstract

The utility model discloses a foldable LED display screen, and relates to the technical field of display screens. Comprising a bottom box, the upper surface of the bottom box is of an opening structure, first partition plates are fixedly installed at the positions, close to the rear side, of the left inner wall and the right inner wall of the bottom box, a lifting mechanism is arranged between the rear side face of each first partition plate and the inner wall of the rear side of the bottom box, and the lower right end of each lifting mechanism is fixedly connected with a first guide mechanism; the driving mechanism is in transmission connection with the lower right end of the lifting mechanism, a top box is mounted on the upper surface of the lifting mechanism, the lower surface of the top box is of an opening structure, and second partition plates are fixedly mounted at the positions, corresponding to the first partition plates, of the left inner wall and the right inner wall of the top box. A plurality of display screen main bodies can be folded conveniently, the size is smaller, follow-up transportation is facilitated, meanwhile, the disassembly and assembly procedure is omitted, the display screen main bodies can be stored, the display screen main bodies cannot be collided in the transportation process, transportation is safer, and use is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field, concretely is a kind of foldable LED display screen. BACKGROUND

[0002] LED is the abbreviation of light emitting diode. It is a kind of display mode by controlling semiconductor light emitting diode, gallium (Ga) and arsenic (As), phosphorus (P), nitrogen (N), indium (In) compound diode, when electron and hole complex can radiate visible light, so it can be used to make light emitting diode, LED display screen is a kind of flat panel display, by a small LED module panel, to display text, image, video, video signal and various information equipment such as recording signal.

[0003] In prior art, conventional LED display screen is made larger and larger for display effect, or multiple LED display screens are spliced together, leading to large LED display screen, inconvenient transportation, or consuming a lot of time for disassembly and assembly, time-consuming and laborious, and lacking protection function during LED display screen transportation, easy to be damaged by knocking, inconvenient to use. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of foldable LED display screen to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of foldable LED display screen, including bottom box, the upper surface of the bottom box is open structure, the left and right inner walls of the bottom box are fixedly installed with first baffle near rear side position, the rear side of the first baffle and the inner wall of bottom box rear side are provided with lifting mechanism, the lower right side end of the lifting mechanism and first guide mechanism are fixedly connected, the lower side inner wall of the bottom box is fixedly installed with drive mechanism, and drive mechanism and the lower right side end of lifting mechanism are drivingly connected, the upper surface of the lifting mechanism is installed with top box, and the lower surface of the top box is open structure, the left and right inner walls of the top box are fixedly installed with second baffle in corresponding position with the first baffle, and the upper right side end of lifting mechanism is movably connected with top box and second baffle by second guide mechanism, the lower side inner wall of the bottom box and the upper side inner wall of the top box are all installed with rubber plate by pivot, and display screen mechanism is arranged between upper and lower rubber plate.

[0006] Further, the lifting mechanism comprises two lower X-shaped support arms, a first fixed pin shaft, a first movable pin shaft, a connecting pin shaft, an upper X-shaped support arm, a second fixed pin shaft and a second movable pin shaft, the two lower X-shaped support arms are arranged on the front and back of the lifting mechanism, the first fixed pin shaft is movably arranged between the lower left end of the two lower X-shaped support arms, the first fixed pin shaft is fixedly arranged between the rear side of the first partition plate and the rear inner wall of the bottom box, the first movable pin shaft is movably arranged between the lower right end of the two lower X-shaped support arms, the first movable pin shaft is arranged on the front and back first guide mechanism, the upper X-shaped support arm is arranged on the upper end of the two lower X-shaped support arms through the connecting pin shaft, the second fixed pin shaft is movably arranged between the upper left end of the upper X-shaped support arm, the second fixed pin shaft is fixedly arranged between the rear side of the second partition plate and the rear inner wall of the top box, and the second movable pin shaft is movably arranged between the upper right end of the upper X-shaped support arm.

[0007] Further, the first guide mechanism comprises a sliding block and a sliding groove, the sliding block is fixedly arranged on the front and back side of the first movable pin shaft, the sliding groove is arranged on the rear side of the first partition plate and the rear inner wall of the bottom box, the sliding block is movably arranged in the sliding groove, and the second guide mechanism is the same as the first guide mechanism.

[0008] Further, the driving mechanism comprises a motor, a lead screw and a ball nut, the motor is fixedly arranged on the lower inner wall of the bottom box, the output shaft of the motor is fixedly arranged with the lead screw, the lead screw is movably arranged in the first fixed pin shaft and the first movable pin shaft, two ball nuts are arranged on the lead screw, and the left and right ball nuts are movably attached to the left and right sides of the first movable pin shaft, the outer surface of the ball nut is in a rectangular structure, and the lower surface of the ball nut is movably attached to the lower inner wall of the bottom box.

[0009] Further, the display screen mechanism comprises a display screen body and a hinge assembly, five display screen bodies are arranged on the upper and lower sides of the display screen mechanism, and the hinge assembly is movably connected between the left and right sides of the upper and lower rubber plates of adjacent display screen bodies.

[0010] Further, the bottom box and the top box are the same in length and width on the side facing each other.

[0011] Compared with the prior art, the present application provides a foldable LED display screen, which has the following advantages:

[0012] The foldable LED display screen is provided with the folding function through the plurality of display screen bodies between the display screen mechanisms, the top box is driven to move up and down through the lifting mechanism, the plurality of display screen bodies are folded, the volume is smaller, subsequent transportation is facilitated, the disassembling procedure is saved, the display screen mechanism is stored in the bottom box and the top box, the display screen mechanism is not subjected to bumping and vibration during transportation, transportation is safer, and the display screen mechanism is beneficial to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a right view of the utility model;

[0015] Figure 3 It is a right view of the utility model;

[0016] Figure 4 It is a structural schematic view of the lifting mechanism of the utility model.

[0017] In the figure: 1, bottom box; 2, first partition; 3, lifting mechanism; 301, lower X-shaped support arm; 302, first fixed pin shaft; 303, first movable pin shaft; 304, connecting pin shaft; 305, upper X-shaped support arm; 306, second fixed pin shaft; 307, second movable pin shaft; 4, first guide mechanism; 401, sliding block; 402, sliding groove; 5, driving mechanism; 501, motor; 502, screw rod; 503, ball nut; 6, top box; 7, second partition; 8, second guide mechanism; 9, rotating shaft; 10, rubber plate; 11, display screen mechanism; 111, display screen body; 112, hinged assembly. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figures 1-4The utility model discloses a kind of foldable LED display screens, including bottom box 1, the upper surface of bottom box 1 is open structure, first baffle 2 is fixedly installed in the left and right inner wall of bottom box 1 close to rear side position, lifting mechanism 3 is arranged between the rear side of first baffle 2 and the inner wall of rear side of bottom box 1, the lower right side end of lifting mechanism 3 is fixedly connected with first guide mechanism 4, driving mechanism 5 is fixedly installed on the inner wall of downside of bottom box 1, and driving mechanism 5 is drivingly connected with the lower right side end of lifting mechanism 3, the upper surface of lifting mechanism 3 is installed with top box 6, and the lower surface of top box 6 is open structure, second baffle 7 is fixedly installed in the left and right inner wall of top box 6 with the corresponding position of first baffle 2, and the upper right side end of lifting mechanism 3 is movably connected with top box 6 and second baffle 7 by second guide mechanism 8, rubber plate 10 is installed on the inner wall of downside of bottom box 1 and the inner wall of upside of top box 6 by pivot 9, and display screen mechanism 11 is arranged between upper and lower rubber plate 10.

[0020] Specifically, the lifting mechanism 3 includes a lower X-shaped support arm 301, a first fixed pin shaft 302, a first movable pin shaft 303, a connecting pin shaft 304, an upper X-shaped support arm 305, a second fixed pin shaft 306, and a second movable pin shaft 307. Two lower X-shaped support arms 301 are arranged in front and back, and a first fixed pin shaft 302 is movably inserted between the lower left side ends of the lower X-shaped support arms 301. The first fixed pin shaft 302 is fixedly installed between the rear side of the first baffle 2 and the inner wall of the rear side of the bottom box 1. A first movable pin shaft 303 is movably inserted between the lower right side ends of the lower X-shaped support arms 301. The first movable pin shaft 303 is installed between the front and back first guide mechanisms 4. The upper side ends of the lower X-shaped support arms 301 are each installed with an upper X-shaped support arm 305 through a connecting pin shaft 304. A second fixed pin shaft 306 is movably inserted between the upper left side ends of the upper X-shaped support arms 305. The second fixed pin shaft 306 is fixedly installed between the rear side of the second baffle 7 and the inner wall of the rear side of the top box 6. A second movable pin shaft 307 is movably inserted between the upper right side ends of the upper X-shaped support arms 305. The second movable pin shaft 307 is installed between the front and back second guide mechanisms 8.

[0021] In this embodiment, the first movable pin shaft 303 drives the right lower side ends of the lower X-shaped support arms 301 to move left and right along the first guide mechanism 4, which drives the lower side ends of the upper X-shaped support arms 305 to move left and right through the connecting pin shaft 304, and drives the right upper side ends of the upper X-shaped support arms 305 to move left and right along the second guide mechanism 8, achieving the effect of adjusting the height of the top box 6.

[0022] Specifically, the first guide mechanism 4 comprises a sliding block 401 and a sliding groove 402, the sliding block 401 is fixedly installed on the front and rear sides of the first movable pin shaft 303, the sliding groove 402 is formed on the rear side of the corresponding first partition plate 2 and the rear inner wall of the bottom box 1, the sliding block 401 is movably buckled in the sliding groove 402, and the second guide mechanism 8 is the same in structure as the first guide mechanism 4.

[0023] In the embodiment, the sliding block 401 moves left and right in the sliding groove 402 along with the first movable pin shaft 303, guides and limits the left and right movement of the first movable pin shaft 303, and is more stable to use.

[0024] Specifically, the driving mechanism 5 comprises a motor 501, a lead screw 502 and a ball nut 503, the motor 501 is fixedly installed on the lower inner wall of the bottom box 1, the output shaft of the motor 501 is fixedly installed with the lead screw 502 on the right side, the lead screw 502 is movably inserted into the first fixed pin shaft 302 and the first movable pin shaft 303, two ball nuts 503 are arranged on the lead screw 502, and the left and right ball nuts 503 are movably attached to the left and right sides of the first movable pin shaft 303, the outer surface of the ball nut 503 is in a rectangular structure, and the lower surface of the ball nut 503 is movably attached to the lower inner wall of the bottom box 1.

[0025] In the embodiment, the output shaft of the motor 501 drives the lead screw 502 to rotate, the rotation of the lead screw 502 makes the left and right ball nuts 503 move left and right, the left and right ball nuts 503 can drive the first movable pin shaft 303 to move left and right, and the first movable pin shaft 303 drives the right lower end of the X-shaped support arm 301 to move left and right.

[0026] Specifically, the display screen mechanism 11 comprises a display screen body 111 and a hinged component 112, five display screen bodies 111 are arranged above and below, and the hinged component 112 is movably connected between the left and right sides of the adjacent display screen bodies 111 above and below and the upper and lower rubber plates 10.

[0027] In the embodiment, the hinged component 112 can fold the adjacent display screen bodies 111 above and below and the upper and lower rubber plates 10 together, and the hinged component 112 is composed of two fixed pins, a connecting plate and a sliding groove hole formed in the connecting plate.

[0028] Specifically, the side of the bottom box 1 facing the top box 6 is the same in length and width.

[0029] In the embodiment, the bottom box 1 and the top box 6 can be attached together to form a closed box.

[0030] In use, the bottom box 1 is placed in a suitable position, the motor 501 output shaft in the drive mechanism 5 drives the screw rod 502 to rotate, the screw rod 502 rotates to make the left and right two ball nuts 503 move left and right, the left and right two ball nuts 503 can drive the first movable pin shaft 303 in the lifting mechanism 3 to move left and right, the first movable pin shaft 303 drives the right lower end of the lower X-shaped support arm 301 to move left and right along the first guide mechanism 4, the lower X-shaped support arm 301 drives the lower end of the upper X-shaped support arm 305 to move left and right through the connecting pin shaft 304, the upper X-shaped support arm 305 drives the top box 6 to move up and down, and the height of the top box 6 is adjusted, when the top box 6 moves upwards, the display screen body 111 in the display screen mechanism 11 is unfolded in sequence through the hinge assembly 112 by the upper rubber plate 10, forming a vertical display screen mechanism 11, after use, the drive mechanism 5 drives the lifting mechanism 3 to drive the top box 6 to move downward and reset, at this time, the hinge assembly 112 between the display screen mechanisms 11 can fold the adjacent display screen bodies 111 and the upper and lower rubber plates 10 together, so that the multiple display screen bodies 111 are folded, the volume is smaller, and subsequent transportation is facilitated, and the disassembly and assembly procedures are saved, the display screen mechanism 11 can be stored in the bottom box 1 and the top box 6, and the upper and lower rubber plates 10 have the buffering and damping function, the upper and lower display screen bodies 111 are protected, the display screen mechanism 11 is not subjected to bumps and vibrations during transportation, transportation is safer, and use is facilitated.

[0031] In summary, the foldable LED display screen facilitates folding of the multiple display screen bodies 111, the volume is smaller, subsequent transportation is facilitated, the disassembly and assembly procedures are saved, the display screen mechanism 11 can be stored, bumps are not subjected to during transportation, transportation is safer, and use is facilitated.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A foldable LED display screen comprising a bottom box (1), characterized in that: The upper surface of the bottom box (1) is an open structure, first partitions (2) are fixedly installed on the left and right inner walls of the bottom box (1) close to the rear side, a lifting mechanism (3) is arranged between the rear side of the first partition (2) and the rear inner wall of the bottom box (1), the lower right end of the lifting mechanism (3) is fixedly connected with a first guide mechanism (4), a driving mechanism (5) is fixedly installed on the lower inner wall of the bottom box (1) and is in transmission connection with the lower right end of the lifting mechanism (3), a top box (6) is installed on the upper surface of the lifting mechanism (3), the lower surface of the top box (6) is an open structure, second partitions (7) are fixedly installed on the left and right inner walls of the top box (6) in a position corresponding to the first partitions (2), and the upper right end of the lifting mechanism (3) is movably connected with the top box (6) and the second partitions (7) through a second guide mechanism (8); rubber plates (10) are installed on the lower inner wall of the bottom box (1) and the upper inner wall of the top box (6) through pivots (9), and a display screen mechanism (11) is arranged between the upper and lower rubber plates (10). The first guide mechanism (4) comprises sliding blocks (401) and sliding grooves (402), the sliding blocks (401) are fixedly installed on the front and rear sides of a first movable pin shaft (303), the rear side of the corresponding first partition (2) and the rear inner wall of the bottom box (1) are each provided with a sliding groove (402), and the sliding block (401) is movably clamped in the sliding groove (402); and the second guide mechanism (8) is the same in structure as the first guide mechanism (4).

2. The foldable LED display screen according to claim 1, wherein: The lifting mechanism (3) comprises lower X-shaped support arms (301), first fixed pin shafts (302), first movable pin shafts (303), connecting pin shafts (304), upper X-shaped support arms (305), second fixed pin shafts (306) and second movable pin shafts (307), two of the lower X-shaped support arms (301) are arranged in front of and behind each other, first fixed pin shafts (302) are movably inserted between the lower left end of the lower X-shaped support arms (301), the first fixed pin shafts (302) are fixedly installed between the rear side of the first partition (2) and the rear inner wall of the bottom box (1), first movable pin shafts (303) are movably inserted between the lower right end of the lower X-shaped support arms (301), the first movable pin shafts (303) are installed on the front and rear first guide mechanisms (4), the upper X-shaped support arms (305) are installed on the upper end of the lower X-shaped support arms (301) through the connecting pin shafts (304), second fixed pin shafts (306) are movably inserted between the upper left end of the upper X-shaped support arms (305), the second fixed pin shafts (306) are fixedly installed between the rear side of the second partition (7) and the rear inner wall of the top box (6), second movable pin shafts (307) are movably inserted between the upper right end of the upper X-shaped support arms (305), and the second movable pin shafts (307) are installed between the front and rear second guide mechanisms (8).

3. The foldable LED display screen of claim 1, wherein: The driving mechanism (5) comprises a motor (501), a screw rod (502) and a ball nut (503), the motor (501) is fixedly installed on the lower inner wall of the bottom box (1), the output shaft right side surface of the motor (501) is fixedly installed with the screw rod (502), and the screw rod (502) is movably inserted into the first fixed pin shaft (302) and the first movable pin shaft (303), two ball nuts (503) are arranged on the screw rod (502), and the left and right ball nuts (503) are movably attached to the left and right side surfaces of the first movable pin shaft (303), the outer surface of the ball nut (503) is of a rectangular structure, and the lower surface of the ball nut (503) is movably attached to the lower inner wall of the bottom box (1).

4. The foldable LED display screen of claim 1, wherein: The display screen mechanism (11) comprises display screen bodies (111) and hinging components (112), five display screen bodies (111) are arranged on the display screen mechanism (11) in an up-down mode, and the left and right side surfaces between the display screen bodies (111) and the upper and lower rubber plates (10) are movably connected through the hinging components (112).

5. The foldable LED display screen of claim 1, wherein: The bottom box (1) and the top box (6) are the same in length and width on the side surface facing each other.

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