Conveniently-stored auxiliary table for teaching Chinese as foreign language
The utility model discloses a convenient-to-store auxiliary desk for teaching Chinese as foreign language, which comprises a desk board, a support mechanism and an insect prevention mechanism, the support mechanism is composed of a square tube, a positioning hole, a bottom tube, a high-position hole...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
03.12.2021
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a convenient-to-store auxiliary desk for teaching Chinese as foreign language, which comprises a desk board, a support mechanism and an insect prevention mechanism, the support mechanism is composed of a square tube, a positioning hole, a bottom tube, a high-position hole, a low-position hole, a positioning pin and a U-shaped seat, the square tube is fixedly connected inside a rear end board body of the desk board, and the bottom tube is fixedly connected with the positioning hole. A square tube of a supporting mechanism is arranged in the table board, a bottom tube above a U-shaped seat is embedded into the square tube, a positioning hole is transversely communicated with an orifice of a high-position hole, a positioning pin is embedded between the positioning hole and the high-position hole at the moment, the bottom tube can be fixed below the square tube to be fixedly supported, the positioning pin is pulled out, the bottom tube continues to be upwards embedded into the square t |
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Bibliography: | Application Number: CN202121104367U |