Employment guidance display board for college teaching
The utility model discloses an employment guidance display board for college teaching. Display board comprising a display board body, a shielding plate is arranged above the display board body; two supporting rods are arranged below the display board body. A containing box is arranged on the outer s...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an employment guidance display board for college teaching. Display board comprising a display board body, a shielding plate is arranged above the display board body; two supporting rods are arranged below the display board body. A containing box is arranged on the outer sides of the two supporting rods. A sleeve is arranged on the outer side of each supporting rod and located in the containing box. A limiting block is arranged on the outer side of the lower portion of the sleeve. A limiting groove is formed in the position, corresponding to the limiting block, in the containing box. An internal thread is arranged on the inner side wall of the sleeve; through the arrangement of the placement box, the handle, the driving gear, the limiting block, the limiting groove, the driven gear and other structures, under the mutual cooperation of the structures, the function that the two supporting rods of the display board can ascend and descend at the same time is achieved, then the consisten |
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