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CN-121993704-A - Universal connection mechanism capable of realizing curved surface self-adaptive splicing and LED box body

CN121993704ACN 121993704 ACN121993704 ACN 121993704ACN-121993704-A

Abstract

The invention discloses a universal connection mechanism capable of realizing curved surface self-adaptive splicing and an LED box body, and relates to the technical field of LED display screens. The mechanism comprises a curved surface LED screen, a ball bearing part and a sealing strip, wherein the ball bearing part is connected to the center of the back of the screen, universal adjustment is realized through elastic interference fit of a ball rod and a spherical cavity column, the longitudinal position is adjusted through an internal thread column, the sealing strip covers the outer edge of the screen, the stepped section is adopted to ensure the curved surface splicing tightness, a clamping module is arranged on the periphery of the ball bearing part, the triangular clamping block is driven by a rotary bolt to be fast fixed, an inverted U-shaped hanging frame seat with a tooth slot is arranged on the back of an LED box body, and fast hanging positioning and stable locking are realized by matching a hanging rod piece and a locking bolt below.

Inventors

  • ZHANG JIEWEI
  • LI CHAOFENG

Assignees

  • 浙江视界电子科技有限公司

Dates

Publication Date
20260508
Application Date
20260127

Claims (8)

  1. 1. Can realize universal coupling mechanism of curved surface self-adaptation concatenation, its characterized in that includes: Curved surface LED screen (1), bulb bearing spare (2) and sealing strip (3), bulb bearing spare (2) are including spherical cavity post (21), bulb pole (22) and internal thread post (23), internal thread post (23) end connection is in back center department of curved surface LED screen (1), bulb pole (22) threaded connection is in internal thread post (23), spherical cavity post (21) and bulb pole (22) bulb end elasticity interference ground swing joint, spherical cavity post (21) wraps up bulb pole (22) bulb end, sealing strip (3) cladding is in the outer fringe of curved surface LED screen (1), adjacent limit portion cross-section of sealing strip (3) is slant down and oblique ascending step respectively.
  2. 2. The universal connection mechanism capable of realizing curved surface self-adaptive splicing according to claim 1, wherein the periphery of the ball bearing piece (2) is provided with a clamping installation module (4), the clamping installation module (4) comprises an internal threaded rod (41), an external threaded rod (42), bolts (43) and a triangular clamping block (44), the internal threaded rod (41) is annularly distributed at the outer wall of the spherical cavity column (21) and vertically intersected with the axis of the spherical cavity column (21), the internal thread of the internal threaded rod (41) is connected with the external threaded rod (42), the middle section of the outer wall of the external threaded rod (42) is provided with the coaxial bolts (43), and the end part of the external threaded rod (42) is connected with the triangular clamping block (44).
  3. 3. The LED box body comprises the universal connection mechanism capable of realizing curved surface self-adaptive splicing as claimed in claim 2, and is characterized by further comprising a box body (5) and a mounting frame strip (6), wherein the box body (5) is a hollow box body structure with a curved surface open-pore shape on the front surface, the mounting frame strip (6) is inlaid and mounted at the front surface opening of the box body (5) in a grid-shaped structure, and the triangular clamping block (44) can be clamped and abutted to the grid junction on the mounting frame strip (6); The novel hanging rack comprises a hanging rack seat (11) and U-shaped grooves (12), wherein the hanging rack seat (11) is welded and connected to the positions, close to the side edges, of the upper portion and the lower portion of the back of the box body (5), the cross section of the hanging rack seat (11) is in an inverted U shape, the U-shaped grooves (12) distributed in an array are integrally formed in the inner side of the hanging rack seat (11), and the inner side of the hanging rack seat (11) is divided into a plurality of groups of tooth grooves by the U-shaped grooves (12).
  4. 4. An LED box body according to claim 3, wherein the back of the box body (5) is provided with two groups of hanging rod pieces (18) which are horizontally arranged in parallel, two groups of hanging rack seats (11) which are arranged in parallel are lapped on the hanging rod pieces (18), the junction of the back and the top of the box body (5) is integrally provided with a mounting groove (13), the mounting groove (13) is internally connected with a loop bar (14), and a binding belt (15) is hooped between the loop bar (14) and the hanging rod pieces (18).
  5. 5. The LED box body according to claim 4, wherein an access hole is formed in the back of the box body (5), an access door (7) is hinged to the access hole in the back of the box body (5), the access door (7) is arranged between two groups of hanging rod pieces (18) and is movable and noninterference, and a door lock piece (9) capable of being locked with the inner side of the box body (5) in a clamping mode is arranged at a position, close to the inner side of the box body (5), of the access door (7).
  6. 6. An LED housing according to claim 5, wherein the access door (7) is provided with an upper vent (8) and a lower heat dissipation port (10) penetrating the access door (7), the upper vent (8) and the lower heat dissipation port (10) being located above and below the access door (7), respectively, the upper vent (8) and the lower heat dissipation port (10) being adapted to dissipate heat from the interior of the housing (5).
  7. 7. The LED box body according to claim 6, wherein the hanging frame bases (11) extend downwards away from the end face of the box body (5), two groups of hanging frame bases (11) located below the box body (5) are integrally formed on the surface of the hanging frame bases away from the box body (5), penetrating screw holes are formed in an integrated mode, the axis of each screw hole in the hanging frame bases (11) is perpendicular to the back of the box body (5), locking bolts (17) are connected with the inner threads of the screw holes in the hanging frame bases (11), and the end portions of the locking bolts (17) are connected to the back of the box body (5) in a rotating mode.
  8. 8. An LED housing according to claim 7, characterized in that the top of the housing (5) is linked with a spreader lock (16) for hoisting.

Description

Universal connection mechanism capable of realizing curved surface self-adaptive splicing and LED box body Technical Field The invention relates to the technical field of LED display screens, in particular to a universal connection mechanism capable of realizing curved surface self-adaptive splicing and an LED box body. Background With the continuous innovation of the LED display technology, the LED display screen is widely applied to the fields of stage designs, city brightening, large-scale exhibition, outdoor advertising and the like, breaks through the limitation of traditional flat display in order to meet the increasingly diversified creative display requirements, can realize inner arc, outer arc and wavy spliced curved surface LED display screens gradually become market mainstream, in the application, the connecting mechanism is used as a core stress and adjusting part between adjacent LED boxes, the performance of the connecting mechanism directly determines the flatness, gap precision and safety of the integral structure of the spliced curved surface, and therefore, the universal connecting mechanism and the LED boxes which can guarantee stable connection between the boxes, flexibly adapt to different curvature changes and facilitate on-site rapid installation and maintenance are technical problems to be solved in the current industry. According to the prior art, the invention patent CN103398054B discloses an angle-adjustable LED display screen connecting device and an LED display screen, and the scheme is mainly characterized in that the angle adjustment is realized by arranging an adjusting rod, a connecting block, a connecting rod, an arc-shaped sliding block and other components; the working principle is that the sliding block is driven to move in a preset arc chute by utilizing the driving of the adjusting rod, so that the opening and closing angles of the side edges of the adjacent boxes are changed, and the aim of splicing the arc screens is fulfilled; the technical scheme based on the matching of the mechanical connecting rod and the sliding chute represents a typical curved surface splicing implementation mode in the prior art. However, in practical application, the prior art has many defects, firstly, in terms of a connecting structure, the mechanism adopting multistage transmission cooperation such as a chute, a connecting rod and the like is complex in structure, various in components, easy to wear or damage in the frequent disassembly and transportation processes, inconvenient to maintain, poor in adjustability due to reduction of adjusting components for simplifying the structure, difficult to realize fine stepless adjustment, and difficult to install and debug due to high alignment precision requirement when integral splicing is carried out. Secondly, for the LED box, in order to adapt to the complex connecting mechanism, a high-precision mounting position or a reinforcing structure is usually reserved for the box, so that the cost of the box is high, and in the field operation, the box is difficult to mount due to complex operation of the connecting mechanism, so that the construction efficiency is greatly reduced. Disclosure of Invention (One) solving the technical problems Aiming at the defects of complex and easy damage, inconvenient maintenance, poor adjustability, difficult installation and debugging, high cost, difficult installation and the like of an LED box body in the prior art, the invention provides a universal connection mechanism capable of realizing curved surface self-adaptive splicing and the LED box body. The invention realizes flexible self-adaptive splicing of adjacent boxes by optimizing the universal connection structure, has the advantages of simple and reliable structure, wide adjustment range, easy maintenance and the like, effectively reduces the production and installation cost, and remarkably improves the splicing efficiency and the flatness of the LED curved screen. (II) technical scheme In order to achieve the purpose, the invention provides the technical scheme that the universal connecting mechanism capable of realizing curved surface self-adaptive splicing comprises a curved surface LED screen, a ball bearing piece and a sealing strip. The ball bearing part comprises a spherical cavity column, a ball rod and an internal thread column, wherein the end part of the internal thread column is connected to the back center of the curved-surface LED screen, the ball rod is in threaded connection with the internal thread column, the spherical cavity column is elastically and flexibly connected with the ball head end of the ball rod in an interference mode, the ball head end of the ball rod is wrapped by the spherical cavity column, the universal matching of the ball head and the spherical cavity is utilized through the ball bearing structure in threaded connection with the back center, the flexible adjustment of the angle is realized, the fine adjustment of t