Blackboard capable of achieving turnover
The invention discloses a blackboard capable of achieving turnover. The blackboard capable of achieving turnover comprises a left frame and a right frame. An extending end is arranged at the right endof the left frame, and a fixed shaft I is fixedly arranged at the extending end. A rotating sleeve I...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a blackboard capable of achieving turnover. The blackboard capable of achieving turnover comprises a left frame and a right frame. An extending end is arranged at the right endof the left frame, and a fixed shaft I is fixedly arranged at the extending end. A rotating sleeve I is fixedly arranged at the left end of the right frame and connected with the fixed shaft I in a rotating mode through a bearing. Two fixing supports are arranged in the left frame, two fixing supports are arranged in the right frame, blackboard bodies are fixedly arranged in the two fixing supports of each frame, and the two blackboard bodies in each frame can rotate. By the adoption of the blackboard capable of achieving turnover, the usable area of the blackboard is increased, and a teacherdoes not need to frequently clean the blackboard advantageously.
本发明公开了种可翻转的黑板,包括左匡架和右框架,且所述左框架的右端设有延伸端,所述延伸端上固定有固定轴Ⅰ,所述右框架的左端固定有转动套Ⅰ,所述转动套Ⅰ通过轴承与所述固定轴Ⅰ转动连接;所述左匡架和右框架内均设有两个固定架,且两个固定架内分别固定有黑板,且两块黑板可旋转。本发明公开的种可翻转的黑板增加了黑板的使用面积,方便 |
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