Easy-advertisement-replacement advertising lamp box for bus shelter

Abstract

The invention belongs to the technical field of advertising devices and particularly relates to an easy-advertisement-replacement advertising lamp box for a bus shelter. A bobbin is arranged at the top of the inner side of a lamp box body, a push-pull rod is connected to one end of the bobbin and connected with a rotation shaft, and the rotation shaft is sleeved with a self-locking bearing; the other end of the bobbin is connected with a control ring, and a groove is formed in the control ring; a rotation handle is arranged in the control ring and provided with a bump matched with the groove in the control ring; the bobbin is connected with an upper positioning tube through a pull rope, through holes are formed in the two sides of the lamp box body, and positioning pins are arranged at thethrough holes; a limit groove is formed in the bottom of the lamp box body and comprises a slit, a lower positioning rod is arranged in the limit groove, advertising base cloth is fixedly connected between the upper positioning tube and the lower positioning rod, and a groove cover for sealing is arranged on the limit groove. According to the lamp box, the process of replacing a poster is extremely simple, a lamp box cover does not need to be opened during replacement, and the box is safer and more reliable.

Description

technical field [0001] The invention belongs to the technical field of advertising devices, and in particular relates to an advertising light box for bus shelters which is easy for advertising replacement. Background technique [0002] The bus shelter is a simple pavilion installed at the bus station to shelter passengers from the wind and rain. There is usually an advertising light box on the back of the pavilion. The advertising light box is usually used for commercial advertisements or public service advertisements, so that it can be used for the bus shelter. Provide better decorative effect, but also can obtain higher economic benefits for the bus company, which is more conducive to the bus company to provide better services for the citizens. [0003] The replacement of the advertising picture inside the advertising light box of the bus shelter on the market usually needs the light box cover to be opened, then the advertising picture to be replaced is fixed in the light ...

AI Technical Summary

Problems solved by technology

Among them, the advertising light box is usually very huge and heavy. When the light box is opened during the advertising painting process, it is necessary to close the bus station and carry out construction enclosures, which brings troubles to passengers waiting for the bus.

In addition, frequent opening and closing of the cover of the light box will affect the connection firmness of the cover. If the cover falls off, it will cause a huge safety hazard; even if the cover does not fall off, the seal between the cover and the main body of the light box will also change Poor, this will reduce the waterproof and dustproof performance of the light box, and create conditions for small phototactic insects to enter the light box. Insects entering the light box will affect the service life of the light tube or other components in the light box, and reduce the advertising effect

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