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CN-121977143-A - Rotary adjusting assembly and LED display screen

CN121977143ACN 121977143 ACN121977143 ACN 121977143ACN-121977143-A

Abstract

The invention relates to a rotary adjusting assembly and an LED display screen, wherein the rotary adjusting assembly is provided with a handle, gears are arranged at two ends of the handle, a sliding connecting arm is rotationally connected to the handle, the gears are meshed with a fixed connecting arm, a sliding rod is arranged on the sliding connecting arm, a sliding groove is arranged on the fixed connecting arm, the sliding rod is arranged in the sliding groove, the sliding connecting arm can be driven to relatively rotate relative to the fixed connecting arm through the gears, the LED display screen is provided with a rotary connecting plate, the front surface of the rotary connecting plate is fixedly connected with a power box and a side frame, the side frame is connected with the side edge of the rotary connecting plate, and the rotary adjusting assembly drives the two sides of the rotary connecting plate to move, so that the LED display screen can be used as a straight-face display screen, a concave arc screen and a convex arc screen.

Inventors

  • HE QIAN
  • WU JIANGUO
  • PANG MING

Assignees

  • 深圳领焱显示技术有限公司

Dates

Publication Date
20260505
Application Date
20260126

Claims (8)

  1. 1. A rotary adjusting assembly is characterized by comprising a handle (1), wherein two ends of the handle (1) are rotationally connected with sliding connecting arms (2) which are arranged in a mirror symmetry mode, two ends of the handle (1) are fixedly connected with gears (100), the gears (100) are arranged on the outer sides of the sliding connecting arms (2), the upper side and the lower side of the sliding connecting arms (2) are also provided with fixed connecting arms (3) in a mirror symmetry mode, the sliding connecting arms (2) and the fixed connecting arms (3) are coaxial arc-shaped pieces, the front sides of the fixed connecting arms (3) are fixedly connected with arc-shaped first racks (302), the gears (100) are meshed with the first racks (302), the sliding connecting arms (2) at the upper ends are sleeved with first packaging pieces (4) on the fixed connecting arms (3), the sliding connecting arms (2) at the lower ends are sleeved with the fixed connecting arms (3) and are provided with second packaging pieces (5), the first packaging pieces (4) are fixed on the sliding connecting arms (2) at the upper ends and the upper sides of the handle (1), the second packaging pieces (5) are fixed on the sliding connecting arms (2) at the lower ends and the lower sides of the handle (1), the sliding connecting arms (2) are fixedly connected with the inner sides of the handle (200) are arranged on the rotating holes (200), one end that fixed connection arm (3) was kept away from to sliding connection arm (2) is equipped with first engaging lug (201) that are used for fixed mounting, fixedly connected with slide bar (205) on sliding connection arm (2), fixed connection arm (3) are kept away from one end of sliding connection arm (2) and are equipped with second engaging lug (301) that are used for fixed mounting, spout (300) have been seted up to fixed connection arm (3), in spout (300) are arranged in to slide bar (205), limit groove (10) have all been seted up to first encapsulation piece (4) and second encapsulation piece (5), in limit groove (10) are arranged in to sliding connection arm (2) and fixed connection arm (3).
  2. 2. The rotary adjusting assembly according to claim 1, wherein the sliding connecting arm (2) is provided with a guide groove (202), and correspondingly, the fixed connecting arm (3) is provided with a guide block (304), and the guide block (304) is arranged in the guide groove (202) and can slide relative to the guide groove (202).
  3. 3. The rotary adjusting assembly according to claim 1, wherein the fixed connecting arm (3) is further fixedly connected with a second rack (303) which is positioned outside the sliding groove (300), the first packaging part (4) is connected with a locking assembly (6), the locking assembly (6) comprises a wrench (600), a locking part (601) and a first spring (602), one end of the wrench (600) is provided with a rotating shaft (6000) and a pressing convex surface (6001), the pressing convex surface (6001) is positioned below the rotating shaft (6000), the locking part (601) is a hollow part and is provided with a pressing concave surface (6010), a sleeve (6011) and a limiting tooth (6012), the pressing convex surface (6001) corresponds to and is matched with the pressing concave surface (6010), the sleeve (6011) and the limiting tooth (6012) are positioned below the pressing concave surface (6010), the first packaging part (4) is provided with a position avoiding groove (400), the locking part (601) is arranged in the position avoiding groove (400), the limiting tooth (6012) can be meshed with the second rack (303), the sliding arm (205) is meshed with the second rack (6000), the sliding arm (205) is fixedly arranged on the sliding side, the sliding arm (205) is sequentially connected with the sliding rod (6011) through the sliding rod (600) and the sliding rod (6011) through the sliding rod (6011), one end of the first spring (602) is abutted on the wall surface of the sliding connecting arm (2), the other end of the first spring is abutted on the inner wall of the sleeve (6011), and when the wrench (600) rotates downwards along the rotating shaft (6000), the abutting convex surface (6001) presses the side wall of the abutting concave surface (6010) to force the locking piece (601) to displace downwards.
  4. 4. The rotary adjusting assembly according to claim 1, wherein the first packaging piece (4) and the second packaging piece (5) are provided with fan-shaped grooves (11), fan-shaped blocks (12) and second springs (13) are arranged in the fan-shaped grooves (11), one ends of the second springs (13) are abutted to the inner walls of the fan-shaped grooves (11), the other ends of the second springs are abutted to the fan-shaped blocks (12), positioning teeth (120) are arranged on one side, away from the second springs (13), of the fan-shaped blocks (12), and the positioning teeth (120) can be meshed with the gears (100), and cover plates (14) are fixedly connected to the outer sides of the fan-shaped grooves (11).
  5. 5. The rotary adjusting assembly according to claim 1, wherein the front end wall surface of the sliding connecting arm (2) is provided with an indication mark (204), and the front end wall surface of the fixed connecting arm (3) is provided with an angle mark (306).
  6. 6. The rotary adjusting assembly according to claim 1, wherein the sliding connecting arm (2) is fixedly connected with a positioning wave bead (203), the fixed connecting arm (3) is provided with a positioning groove (305), and the positioning wave bead (203) can be placed in the positioning groove (305).
  7. 7. An LED display screen comprises any one of claims 1 to 6, and is characterized by further comprising an integrally formed rotary connecting plate (7), wherein the rotary connecting plate (7) consists of a plurality of sub-boards which are longitudinally arranged in parallel, a gap (700) allowing the sub-boards to be folded back and forth is reserved between every two adjacent sub-boards, a soft board (701) is further connected between every two adjacent sub-boards, a flexible LED lamp panel is fixedly connected to the front surface of the rotary connecting plate (7), a power box (8) is connected to the middle part of the back surface of the rotary connecting plate (7), side frames (9) are symmetrically connected to the left side and the right side of the back surface of the rotary connecting plate (7), lock seats (705) comprise limiting plates (7050), lock holes (7051) are formed in the limiting plates (7050), rotary locking rods (900) are rotatably connected to the side frames (9), limiting blocks (901) are provided with the shape of the limiting plates (7051), the limiting blocks (901) can be inserted into the inner sides of the limiting plates (7050), the side frames are rotatably connected with the side frames (7050) to the side frames (708) through the inner side walls (7050), the side frames are rotatably connected to the first side frames (201) and rotatably connected to the first side adjusting components, the second connecting lug (301) is fixed on the bottom plate of the power supply box (8).
  8. 8. The LED display screen of claim 7, wherein an "i" shaped connecting piece (704) is further disposed between adjacent sub-boards, the "i" shaped connecting piece (704) comprises a movable connecting portion (7040) and a fixed connecting portion (7041), a "T" shaped groove (702) is formed on a side edge of one of the adjacent sub-boards, a fixed groove (703) is formed on an opposite side edge of the other sub-board, the fixed connecting portion (7041) is fixed in the fixed groove (703), and the movable connecting portion (7040) is disposed in the middle of the "T" shaped groove (702).

Description

Rotary adjusting assembly and LED display screen Technical Field The invention relates to the technical field of display screens, in particular to a rotation adjusting assembly and an LED display screen. Background The utility model provides a LED display screen is an advertisement display device, as the new favor of future outdoor display advertising media, the display screen is widely used in all kinds of scenes, like outdoor advertisement, traffic indication, exhibition show etc., in some application scenes, can use the arc screen, and traditional arc screen adopts integral type stereoplasm arc bottom plate basically, fixed connection flexible LED lamp plate on the bottom plate, perhaps the stereoplasm LED lamp plate of follow arc bottom plate concatenation fritter forms the arc display surface, adopt this kind of mode design, the crooked direction of arc screen, bending angle is fixed, unable regulation, form the evagination arc screen of fixed angle or indent arc screen promptly, the display effect is single, use the scene comparatively fixed, adaptability is not strong etc. therefore, we propose a rotatory regulation subassembly and LED display screen, realize that the display screen diversified is adjusted, can make it be straight screen display, evagination arc screen display and indent arc screen display, and when being the arc screen display, the radian is adjustable etc. Disclosure of Invention Based on the above, in order to overcome the defects in the prior art, the invention provides the rotary adjusting component and the LED display screen, and the LED display screen is diversified to be adjusted through the rotary adjusting component, so that the LED display screen can be in a straight screen display, a convex arc screen display and a concave arc screen display, and when the LED display screen is in an arc screen display, the radian can be adjusted, and the LED display screen is flexible to use, and has higher applicability and the like. The technical scheme includes that the rotary adjusting assembly comprises a handle, sliding connecting arms which are arranged in a mirror symmetry mode up and down are rotationally connected to two ends of the handle, gears are fixedly connected to two ends of the handle and located on the outer sides of the sliding connecting arms, fixed connecting arms are arranged on the upper side and the lower side of the sliding connecting arms in a mirror symmetry mode, the sliding connecting arms and the fixed connecting arms are coaxial arc-shaped pieces, an arc-shaped first rack is fixedly connected to the front side of each fixed connecting arm, the gears are meshed with the first rack, a first packaging piece is sleeved on the sliding connecting arm and the fixed connecting arm at the upper end, a second packaging piece is sleeved on the sliding connecting arm and the fixed connecting arm at the lower end, the first packaging piece is fixed on the sliding connecting arms at the upper end and the upper side of the handle, and the second packaging piece is fixed on the sliding connecting arms at the lower end and the lower side of the handle; The sliding connection arm is provided with a rotating connection hole, the rotating connection hole is sleeved on the handle and located on the inner side of the gear, one end of the sliding connection arm, far away from the fixed connection arm, is provided with a first connection lug used for fixed installation, the sliding connection arm is fixedly connected with a sliding rod, one end of the sliding connection arm, far away from the sliding connection arm, is provided with a second connection lug used for fixed installation, the fixed connection arm is provided with a sliding groove, the sliding rod is arranged in the sliding groove, the first packaging piece and the second packaging piece are provided with limiting grooves, and the sliding connection arm and the fixed connection arm are arranged in the limiting grooves. When the connecting device is used, the first connecting lug and the second connecting lug are connected and fixed on two sides of a bendable connecting object, the handle is rotated to drive the gear to rotate, the gear moves along the first rack in a rotating mode, the sliding rod slides in the sliding groove in the moving process, the moving direction of the sliding connecting arm is controlled by controlling the rotating direction of the handle, for example, the first connecting lug and the second connecting lug are in a parallel state and serve as initial states, at the moment, the connecting object is in a straight state, when the handle rotates clockwise, the sliding connecting arm rotates and moves in a direction away from the fixed connecting arm, and therefore, the first connecting lug and the second connecting lug are pushed out relatively to drive two sides of the connecting object to move outwards, and the connecting object is in a concave shape as a whole; when the handle rotates anticlock