Safety warning board
The utility model relates to the technical field of warning boards, and discloses a safety warning board which comprises a support, a mounting frame is fixedly connected to the upper surface of the support, an insertion opening is formed in one side of the mounting frame, a groove is formed in the i...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model relates to the technical field of warning boards, and discloses a safety warning board which comprises a support, a mounting frame is fixedly connected to the upper surface of the support, an insertion opening is formed in one side of the mounting frame, a groove is formed in the inner wall of the mounting frame, the insertion opening is communicated with the groove, and a threaded hole is formed in the upper surface of the mounting frame. According to the safety warning board, when the warning board is replaced, the warning board is inserted into the mounting frame through an insertion opening formed in the mounting frame along a groove formed in the inner wall of the mounting frame, then a kidney-shaped block is rotated, the kidney-shaped block drives a threaded rod to rotate, a threaded rod is in threaded connection with the mounting frame, and the threaded rod drives a pressing plate to move downwards; the warning board is fixed in the mounting frame through extrusion of the pressing pla |
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