Teaching word filling board
The utility model discloses a teaching word filling board which comprises a display frame, a soft white board arranged on the front face of the display frame and a lifting component used for adjusting the height of the display frame. The lifting part comprises a lifting rod arranged at the bottom of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a teaching word filling board which comprises a display frame, a soft white board arranged on the front face of the display frame and a lifting component used for adjusting the height of the display frame. The lifting part comprises a lifting rod arranged at the bottom of the display frame, a supporting rod connected with the lifting rod, a base arranged at the bottom of the supporting rod, a lifting groove formed in the top of the supporting rod, an L-shaped block arranged on one side of the supporting rod, a through opening formed in one side of the L-shaped block, a pull rod arranged in the through opening, a pull plate arranged at one end of the pull rod and a moving block arranged at the other end of the pull rod. Through the arrangement of the display frame, the soft white board, the lifting rod, the supporting rod, the base and the lifting groove, the problems that when the height of an existing word filling board is adjusted, a limiting bolt column needs to be completely sc |
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