Traffic sign learning device for driving school teaching
The invention aims at solving the problem that an existing device is low in traffic sign memory efficiency, and discloses a traffic sign learning device for driving school learning. The device comprises a fixed ring, a gasbag is fixedly installed on the inner side surface of the fixed ring, a sleeve...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention aims at solving the problem that an existing device is low in traffic sign memory efficiency, and discloses a traffic sign learning device for driving school learning. The device comprises a fixed ring, a gasbag is fixedly installed on the inner side surface of the fixed ring, a sleeve ring is installed at the outer side of the fixed ring, balls are uniformly installed between the sleeve ring and the fixed ring, rotary rods are uniformly installed at the outer sides of the sleeve ring, connecting blocks are installed between the rotary rods and the sleeve ring, fixed frames are fixedly installed at the outer ends of the rotary rods, rotary cylinders are installed inside the fixed frames, screws are installed between the rotary cylinders and the fixed frames, and adjusting blocks are fixedly installed at the outer ends of the screws. The sleeve rings can be rotated through the balls, thus by randomly detecting the traffic sign memory conditions, the efficiency of a memberof memorizing the traffic |
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