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CN-224229077-U - Embedded hinge and folding LED display screen advertisement machine

CN224229077UCN 224229077 UCN224229077 UCN 224229077UCN-224229077-U

Abstract

The utility model relates to an embedded hinge and a folding LED display screen advertising machine, wherein the embedded hinge comprises a first fixed seat and a second fixed seat which are arranged in a mirror symmetry manner, and an arched first hinge and an arched second hinge which are assembled in a reverse staggered manner, the first hinge is rotationally connected with the first fixed seat, the second hinge is rotationally connected with the second fixed seat, the first hinge and the second hinge are rotationally connected through a rotary center shaft, guide grooves are formed in the first fixed seat and the second fixed seat, guide shafts are arranged at the end parts of the first hinge and the second hinge, the guide shafts can slide in the guide grooves, so that the hinge can be overturned in a designated track, the embedded hinge ensures the rotation precision of the hinge through the first hinge and the second hinge which are assembled in the reverse staggered manner, the folding LED display screen advertising machine adopts the embedded hinge to realize the overturning folding function, the space utilization rate is improved during transportation, the transportation cost is reduced, and the like.

Inventors

  • HUANG TIANQIANG
  • YAN XIAOPING
  • XIAO ZHONGJUN
  • ZOU BINBIN

Assignees

  • 东莞领灿光电有限公司

Dates

Publication Date
20260512
Application Date
20250624

Claims (7)

  1. 1. The embedded hinge is characterized by comprising a first fixing seat (1), a second fixing seat (2), a first hinge (3) and a second hinge (4), wherein the second hinge (4) is rotationally connected with the second fixing seat (2), the first fixing seat (1) and the second fixing seat (2) are identical in structure and are arranged in a mirror symmetry mode, mounting holes (5) and fixing seat shaft holes (6) are formed in the first fixing seat (1) and the second fixing seat (2), the first hinge (3) and the second hinge (4) are identical in structure and are composed of a plurality of arched hinges, the first hinge (3) and the second hinge (4) are assembled in a staggered mode, an assembly shaft hole (10), a middle shaft hole (12) and a connecting shaft hole (14) are formed in the first hinge (3) and the second hinge (4), the assembly shaft hole (10) in the first hinge (3) corresponds to the fixing seat shaft hole (6) in position and is internally provided with the fixing seat shaft (11), the same assembly shaft hole (10) in the second fixing seat (4) corresponds to the middle shaft hole (6) in the second fixing seat (2) in position and is correspondingly provided with the middle shaft hole (12) in the second hinge (3), the connecting shaft holes (14) on the first hinge (3) and the second hinge (4) are respectively provided with a connecting shaft (15).
  2. 2. The embedded hinge according to claim 1, wherein guide grooves (8) are formed in inner walls of two sides of the first fixing seat (1) and the second fixing seat (2), guide shaft holes (16) are formed in tail ends of the first hinge (3) and the second hinge (4), guide shafts (17) are arranged in the guide shaft holes (16), the guide grooves (8) are formed in two ends of the guide shafts (17), the guide shafts can move up and down relative to the guide grooves (8), and when the first fixing seat (1) and the second fixing seat (2) are folded 180 degrees relative to each other, the guide shafts (17) are abutted against the top end wall surfaces of the guide grooves (8).
  3. 3. The embedded hinge according to claim 1, wherein the hinge positioning grooves (7) are formed in the outer side wall surfaces of the first fixing seat (1) and the second fixing seat (2), positioning protrusions (18) are formed in the inner sides of the end portions of the first hinge (3) and the second hinge (4), and the positioning protrusions (18) can slide up and down in the hinge positioning grooves (7).
  4. 4. The embedded hinge according to claim 1, wherein protruding limiting inclined planes (9) are arranged at the upper ends of the first fixing seat (1) and the second fixing seat (2), and when the first fixing seat (1) and the second fixing seat (2) are folded by 180 degrees relatively, the bottoms of the first hinge (3) and the second hinge (4) are just attached to the limiting inclined planes (9), so that the strokes of the first hinge (3) and the second hinge (4) are limited.
  5. 5. The embedded hinge according to claim 1, wherein the upper ends of the two inner side wall surfaces of the first fixing seat (1) and the second fixing seat (2) are respectively provided with a clearance groove (19), and when the first fixing seat (1) and the second fixing seat (2) are closed, the rotating center shaft (13) protrudes out of the two end parts of the first hinge (3) and the second hinge (4) and is arranged in the clearance grooves (19).
  6. 6. The utility model provides a folding LED display screen advertisement machine, a serial communication port, including first display screen module (20), second display screen module (21) and any in claims 1 to 5 embedded hinge, first display screen module (20) and second display screen module (21) all include box (28) and luminous module (29) of telecommunication connection, embedded mount pad (22) have all been seted up to box (28) tip, locating hole (24), installation screw (25) have all been seted up in mount pad (22), first fixing base (1), second fixing base (2) bottom all are equipped with reference column (23), reference column (23) are pegged graft location cooperation with locating hole (24), mounting hole (5) are corresponding with installation screw (25) upper and lower axial, and it is fixed through bolted connection.
  7. 7. The folding LED display screen advertisement machine according to claim 6, wherein a hook lock (26) is provided in the upper end of the second display screen module (21), and a lock lever is provided in the connection end of the first display screen module (20) and the second display screen module (21), and the hook lock (26) is hooked on the lock lever.

Description

Embedded hinge and folding LED display screen advertisement machine Technical Field The utility model relates to the technical field of display screens, in particular to an embedded hinge and a folding LED display screen advertising machine. Background The traditional LED display screen advertisement machine is excessively large in volume, so that the residual internal packaging space is excessively large, high shipping cost is generated, the module is required to be detached during packaging and transportation, otherwise, the module can be peeled off from the box body due to vibration generated in the transportation process, and the module is damaged. Disclosure of utility model Based on the above, the embedded hinge and the folding LED display screen advertising machine for improving the defects are provided, the advertising machine is divided into two folds, so that the packaging height is reduced, the freight cost is reduced, the luminous surface and the luminous surface are folded in half during folding, a gap for placing damping cotton is reserved through the bending stroke of the hinge design, the damping cotton with corresponding thickness is filled in the gap, and loosening or falling and the like in the module transportation process are prevented. The embedded hinge comprises a first fixed seat, a second fixed seat, a first hinge and a second hinge, wherein the second hinge is in rotary connection with the second fixed seat, the first fixed seat and the second fixed seat are identical in structure and are arranged in a mirror symmetry mode, mounting holes and fixed seat shaft holes are formed in the first fixed seat and the second fixed seat, the first hinge and the second hinge are identical in structure and are formed by a plurality of arched hinges, the first hinge and the second hinge are assembled in a reverse staggered mode, the first hinge and the second hinge are provided with assembly shaft holes, middle shaft holes and connecting shaft holes, the assembly shaft holes on the first hinge correspond to the fixed seat shaft holes on the first fixed seat in position and are internally provided with fixed seat shafts, the assembly shaft holes on the second hinge correspond to the fixed seat shaft holes on the second fixed seat in position and are internally provided with fixed seat shafts, the middle shaft holes on the first hinge and the second hinge correspond to each other in position and are internally provided with rotating middle shafts, and the connecting shafts are respectively arranged on the first hinge and the second hinge. When the hinge is used, the first fixing seat and the second fixing seat are respectively fixed on the opposite end faces of the two connecting pieces to be rotationally connected in an embedded manner through the mounting holes, for example, the two LED display screen modules to be rotationally and folded and connected are arranged, so that the first hinge end part rotates relative to the first fixing seat and the second hinge end part rotates relative to the second fixing seat through the fixing seat shaft, the relative rotation of the first hinge and the second hinge is realized through the rotating center shaft, and therefore the relative rotation of the two connecting pieces is realized. Preferably, the guide way has all been seted up to the both sides inner wall of first fixing base, second fixing base, and the guide shaft hole has all been seted up to first hinge, second hinge end, and all be provided with the guiding axle in the guide shaft hole, the guide way is arranged in at the guiding axle both ends to but relative guide way reciprocates, when 180 folding relatively to first fixing base and second fixing base, the guiding axle supports and holds in guide way top end wall face, and the guiding axle makes the hinge rotatory more steady with the guide way cooperation, and realizes through the guide way that first fixing base and the rotatory 180 of second fixing base are spacing, avoids its transitional rotation. Preferably, hinge positioning grooves are formed in the outer side wall surfaces of the first fixing seat and the second fixing seat, positioning protrusions are arranged on the inner sides of the end parts of the first hinge and the second hinge, the positioning protrusions can slide up and down in the hinge positioning grooves, and the hinge positioning grooves are matched with the reverse staggered stacking assembly mode of the first hinge and the second hinge, so that the hinge is overturned in a designated track, and the rotation precision and the rotation stability of the hinge are further ensured. Preferably, the first fixing seat and the second fixing seat are provided with protruding limiting inclined planes at the upper ends, when the first fixing seat and the second fixing seat are folded by 180 degrees relatively, the bottoms of the first hinge and the second hinge are just attached to the limiting inclined planes, the strokes of th