Laser-head-telescoping teaching laser rod dynamic change realization method
A technology with dynamic changes and implementation methods, applied in educational utensils, instruments, reading aids, etc., can solve problems such as the inability to store, carry and entertain teachers' data, store data, and interact with users, and achieve good practical value. Effect
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[0019] In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.
[0020] See figure 1 , figure 2 and image 3 , the present embodiment provides a method for realizing the dynamic change of a laser head retractable teaching laser rod, providing a handheld terminal and a teaching laser rod, the teaching aurora rod includes a cylindrical laser rod body 1, and the cylindrical laser rod body is set There is a laser head 2 that can stretch back and forth. The end of the laser head 2 is provided with a sleeve 4, and the sleeve is sleeved on a reciprocating screw rod 5. The reciprocating screw rod 5 is driven by a stepping motor 6. In order to facilitate the reciprocating movement of the sleeve 4 on the reciprocating screw rod; like this, the laser head 2 can be stretched back and forth under the drive of the reciprocating screw r...
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