Teaching projection device and use method thereof
A technology of a projection device and a projector, which is applied in the field of teaching aids, can solve the problems of potential safety hazards, inconvenient installation or maintenance of projectors, etc., and achieve the effects of easy maintenance, improved safety, and clear projection
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Embodiment 1
[0063] Such as figure 1 and figure 2 As shown, this embodiment proposes a projection device for teaching and its use method, including a guide box 1, the tops of both sides of the guide box 1 are provided with fixing parts 2 for fixing the guide box 1 to the top of the room, and the guide box 1 Limiting parts 3 are arranged on both sides of the bottom end, and a storage mechanism 4 is arranged between the two limiting parts 3. The storage mechanism 4 is connected to a projector 5, and the top of the storage mechanism 4 is provided with a connecting mechanism 6. The top is also provided with the first limit mechanism 7 of the limit connection mechanism 6, the second limit mechanism 8 of the limit projector 5 is arranged on the first limit mechanism 7, and the side of the storage mechanism 4 is provided with a heat dissipation mechanism 9, One side of the storage mechanism 4 is also provided with a dust-proof mechanism 10 that cooperates with the heat dissipation mechanism 9. ...
Embodiment 2
[0065] The scheme in embodiment 1 is further introduced below in combination with specific working methods, see the following description for details:
[0066] Such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 11 As shown, as a preferred embodiment, on the basis of the above method, further, the fixing member 2 is a fixing block fixedly installed on the guide box 1, and the fixing block is provided with a perforation, and the external bolts are passed through the perforation and connected to the top of the room. Threaded connection makes the fixed block fixed, and then guide box 1 is fixed, and stopper 3 comprises stop bar 301, and the top of stop bar 301 is fixedly installed in the middle part of guide box 1 bottom both sides, and the bottom of stop bar 301 The end is fixed with a limit plate 302, and the opposite sides of the two limit plates 302 are provided with a first limit groove, and one side of the limit rod 301 is provided with a second limit groove...
Embodiment 3
[0081] The schemes in Embodiment 1 and Embodiment 2 are further introduced below in conjunction with specific working methods, see the following description for details:
[0082]Specifically, when the teaching projection device and its use method are working / using: the guide box 1 can be fixed on the top of the room through the fixing block and the external bolts, and the second connecting rope 1302 can be bypassed and installed on the wall of the room. Several external pulleys are connected with the output shaft of the external stepping motor installed in the corner of the room, the external stepping motor is connected with the external controller, the projector 5 is inserted between the two reeds 405, and the projector 5 is connected to the rubber layer 901 are in contact with each other, under the action of reed 405, projector 5 can be calibrated so that it is placed in the middle of storage box 402, and the positioning rod 803 is rotated through the hinge so that positionin...
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