a billboard device

Abstract

The invention discloses a billboard device, which comprises a base and a billboard frame matched and connected with the base, a fluorescent tube is arranged in the billboard frame, a fixing rod is arranged at the right end of the base, and a fixed rod is fixedly connected to the right side of the fixing rod. The bottom end of the pillar is fixed with a base, the right end of the billboard frame is provided with a connecting arm, and the end face of the connecting arm away from the billboard frame is provided with a chamfered part, and the gap between the chamfered part and the billboard frame The upper end of the connecting arm is provided with a left sliding hole, and the base is provided with an insertion cavity used for cooperating with the connecting arm, and the base at the upper end of the insertion cavity is provided with a lock groove, and the upper end of the lock groove is connected with an internal thread. slot, the lock slot is provided with a left lock pin that enters the insertion cavity, the upper end of the left lock pin is provided with a first pressure spring, and the base on the right side of the insertion cavity is extended downward with a first sliding slot, the first sliding slot There is a slot between the socket and the cavity, and a limit plate is provided at the upper left end of the slot.

Description

technical field [0001] The invention relates to the technical field of billboards, in particular to a billboard device. Background technique [0002] At present, the use of billboards is becoming more and more extensive. Billboard devices for publicity can often be seen above some urban roads. At night, they are usually powered on to illuminate the billboards inside, so as to achieve the effect of night publicity. As a result, the billboard device in the prior art is mainly energized and illuminated by contact, but it is not provided with any locking structure after contact, and its contact effect is not stable. At the same time, because its contact parts often Exposed to the outside world, there is a high risk of electric shock, and there is a great potential safety hazard. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a billboard device that can overcome the above-mentioned problems in the prior art. [000...

AI Technical Summary

Problems solved by technology

[0002] At present, the use of billboards is becoming more and more extensive. Billboard devices for publicity can often be seen above some urban roads. At night, they are usually powered on to illuminate the billboards inside, so as to achieve the effect of night publicity. As a result, the billboard device in the prior art is mainly energized and illuminated by contact, but it is not provided with any locking structure after contact, and its contact effect is not stable. At the same time, because its contact parts often Exposed to the outside world, there is a higher risk of electric shock, and there is a greater potential safety hazard

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