Municipal advertising board
The utility model relates to the technical field of advertising boards, and discloses a municipal advertising board which comprises a base, a supporting groove is fixedly connected to the top face of the base, a fixing mechanism is arranged above the supporting groove, and a lifting mechanism is arr...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to the technical field of advertising boards, and discloses a municipal advertising board which comprises a base, a supporting groove is fixedly connected to the top face of the base, a fixing mechanism is arranged above the supporting groove, and a lifting mechanism is arranged in the supporting groove. The fixing mechanism comprises a power part and a fixing part, the power part is located above the supporting groove, and the fixing part is located above the power part; the lifting mechanism comprises a connecting part and a lifting part, the connecting part is located on the right side of the supporting groove, and the lifting part is located above the connecting part. A motor is started to drive a first gear to rotate, two rack rods are driven by the first gear to move, and two supporting plates are driven by the two rack rods to move, so that the distance between the two supporting plates can be adjusted according to the size of the advertising board, and a movable column is pul |
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