US Pat. No. 10,711,490

ONE-SIDE ROTATING ARC LOCK

SHENZHEN GLOSHINE TECHNOL...

1. A one-side rotating arc lock, wherein the one-side rotating arc lock comprises an adjusting assembly arranged on a first shell and a strainer arranged on a second shell, the adjusting assembly comprises an arc adjuster rotatably connected with the first shell, and a first knob for adjusting the rotation angle of the arc adjuster, the arc adjuster is provided with multiple protrusions in the circumferential direction, which are used for adjusting the angle between the first shell and the second shell, grooves are provided on the protrusions, the strainer comprises an adjusting rod that cooperates with the groove for locking the first shell and the second shell; the strainer further comprises a fixing seat fixedly connected with the second shell and a handle screwed with the fixing seat; an end of the adjusting rod is provided with a chuck, and another end of the adjusting rod is provided with a second knob;when locking, press the second knob so that the chuck passes through the groove, and the second knob is rotated, so that the chuck and the groove are alternately arranged to lock the arc adjuster, then rotate the handle so that the handle moves outward relative to the fixing seat until the handle is against the second knob to tighten the adjusting rod and lock the arc adjuster; when unlocking, rotate the handle in the opposite direction, so that the handle moves inward relative to the fixing seat until the handle is separated from the second knob to release the adjusting rod, then rotates the second knob so that the chuck is disposed parallel to the groove, and the second knob moves outwards so that the chuck is released from the groove to unlock the arc adjuster.

US Pat. No. 11,071,223

SEALING RING AND LED DISPLAY SCREEN

SHENZHEN GLOSHINE TECHNOL...


1. An LED display screen, comprising: a module, a box and a power box, wherein the module is fixed to a side of the box, the power box is fixed to another opposite side of the box; and further comprising: a plurality of the sealing rings, wherein the sealing ring disposed between the power box and the box is a first sealing ring, and the sealing ring disposed between the box and the module is a second sealing ring;each of the plurality of sealing rings comprising a ring body, wherein the ring body comprises a ring groove formed by a bottom wall and opposite side walls, at least one first convex ring is disposed on each of upper and lower surfaces of the bottom wall of the ring groove, and each of the at least one first convex ring is a closed ring with a same extension direction as the ring groove; the ring body further comprises a flange formed by bending outwards from a top of the side wall of the ring groove opposite to the bottom wall, at least one second convex ring is disposed on each of upper and lower surfaces of the flange, and each of the at least one second convex ring is a closed ring with a same extension direction as the flange; wherein the number of the first convex rings on the upper surface of the bottom wall of the ring groove is less than the number of the first convex rings on the lower surface of the bottom wall of the ring groove; a perpendicular bisector of the connection line of all the first convex rings on the upper surface of the bottom wall of the ring groove coincides with a perpendicular bisector of the connection line of all the first convex rings on the lower surface of the bottom wall of the ring groove.