A teaching board for English teaching
An English teaching and teaching board technology, which is applied in the field of teaching boards, can solve the problems of inconvenient storage of broadcasters, single function, increased burden on English teachers, etc.
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Embodiment 1
[0036] A teaching board for English teaching, such as Figure 1-7 As shown, it includes a bracket 1, a teaching board 2, a storage battery 3, a placement box 4, a lifting device 5, and a four-wire three-grid device 6. There are brackets 1 on the left and right sides of the bottom of the teaching board 2, and the right side of the left side There is a storage battery 3, and a placement box 4 is arranged on the left side wall of the teaching board 2, and a lifting device 5 is arranged in the placement box 4, and a four-line three-grid device 6 is arranged on the lifting device 5.
Embodiment 2
[0038] A teaching board for English teaching, such as Figure 1-7 As shown, it includes a bracket 1, a teaching board 2, a storage battery 3, a placement box 4, a lifting device 5, and a four-wire three-grid device 6. There are brackets 1 on the left and right sides of the bottom of the teaching board 2, and the right side of the left side There is a storage battery 3, and a placement box 4 is arranged on the left side wall of the teaching board 2, and a lifting device 5 is arranged in the placement box 4, and a four-line three-grid device 6 is arranged on the lifting device 5.
[0039] Lifting device 5 comprises electric wheel 51, the first slide rail 52, the first stay cord 53, the first slide block 54 and driven wheel 55, and the right side wall in placing box 4 is provided with electric wheel 51, first in turn from bottom to top. Slide rail 52 and driven wheel 55, first slide rail 52 is provided with first slide block 54, and the top of first slide block 54 is connected wi...
Embodiment 3
[0041] A teaching board for English teaching, such as Figure 1-7 As shown, it includes a bracket 1, a teaching board 2, a storage battery 3, a placement box 4, a lifting device 5, and a four-wire three-grid device 6. There are brackets 1 on the left and right sides of the bottom of the teaching board 2, and the right side of the left side There is a storage battery 3, and a placement box 4 is arranged on the left side wall of the teaching board 2, and a lifting device 5 is arranged in the placement box 4, and a four-line three-grid device 6 is arranged on the lifting device 5.
[0042] Lifting device 5 comprises electric wheel 51, the first slide rail 52, the first stay cord 53, the first slide block 54 and driven wheel 55, and the right side wall in placing box 4 is provided with electric wheel 51, first in turn from bottom to top. Slide rail 52 and driven wheel 55, first slide rail 52 is provided with first slide block 54, and the top of first slide block 54 is connected wi...
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