Locking device and LED display screen

[0021] In an embodiment of the present invention, a locking device is provided, which can be used to hoist and lock two objects together.

[0022] Such as figure 1 As shown, the locking device includes a first lock body and a second lock body, the first lock body includes a handle 1, a runner 2, a connecting piece 3, a lock bar 4 and a fixing seat 5, and the second lock body includes a lock female piece 6 , where there is one handle 1, two runners 2, connectors 3, lock levers 4, fixing seats 5 and lock nuts 6, and runners 2, connectors 3, lock levers at both ends of the handle 1 4 and fixed seat 5. The handle 1 drives the two lock rods 4 to be locked on the two lock mother pieces 6 at the same time.

[0023] Preferably, the handle 1 is bow-shaped, and the handle 1 includes a handle portion 11 and a rotating shaft 12. The handle portion 11 is arc-shaped, and there are two rotating shafts 12. The two rotating shafts 12 are respectively fixed at both ends of the handle portion 11,

[0034] like image 3 and Figure 4 As shown, an LED display screen is provided in this embodiment, and the LED display screen includes an upper LED unit box 10 and a lower LED unit box 20, and also includes the locking device 30 of the above-mentioned embodiment, the first of the locking device 30 The lock body is installed on the upper end of the lower LED unit box body 20, the second lock body is installed on the lower end of the upper LED unit box body 10, and the locking device is used for hoisting and locking of the LED display screen.

[0035] In order to improve the stability of the handle 1, the lower LED unit box 20 is provided with a rotating shaft mounting seat, and the rotating shaft mounting seat and the lower LED unit box 20 are of an integrated structure. There are two rotating shaft mounting seats, and the rotating shaft mounting seat is provided with In the mounting hole, the rotating shaft 12 of the locking device is rotatably installed on the rotating shaft mo