Adjustable projection device for teaching
A projection device and adjustable technology, applied in mechanical equipment, educational equipment, optics, etc., can solve the problems of inconvenient movement and transportation, unfavorable learning and adjustment of students, and achieve the effects of reasonable structural design, guaranteed stability, and convenient use
Inactive Publication Date: 2018-06-12
岳池县师范附属小学校
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AI Technical Summary
Problems solved by technology
[0002] With the continuous updating of teaching methods, many times a teaching teacher needs to give lectures to hundreds of people. The traditional projector is not easy to adjust, which brings a lot of convenience to teaching, which is not conducive to teaching and is not conducive to students' learning. Moreover, the traditional projector is too large to be properly adjusted according to the use environment, and there is a lot of inconvenience in moving and handling
Method used
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Embodiment Construction
[0011] Below in conjunction with accompanying drawing and embodiment the technical solution of the present invention is further described:
[0012] like figure 1 As shown, the present invention provides an adjustable projection device for teaching, comprising a rhombus telescopic frame 1, a support frame 2, a projection cloth 3 and an upper support plate 4 and a lower support plate 5 arranged at the upper and lower ends of the rhombus telescopic frame 1, wherein , the lower support plate 5 is provided with universal wheels 6, the support frame 2 is located on the upper support plate 4, the support frame 2 includes a cross bar 21 and a vertical bar 22 located at the two ends of the cross bar 21, the cross bar 21 and the vertical bar 22 A U-shaped structure under the opening is formed, a support bar 23 is provided between the upper support plate 4 and the vertical bar 22, and the two ends of the support bar 23 are respectively fixedly connected with the upper support plate 4 and...
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The invention relates to a projection device, in particular to an adjustable projection device for teaching, comprising a rhombic telescopic frame, a supporting frame, a projection cloth, and an uppersupporting plate and a lower supporting plate arranged on the upper and lower ends of the rhombic telescopic frame. The lower supporting plate is provided with universal wheels, the supporting frameis mounted on the upper supporting plate, the supporting frame includes a cross bar and vertical bars disposed at both ends of the cross bar, the cross bar and the vertical bars form a U-shaped structure with a downward opening, support bars are arranged between the vertical bars and the upper supporting plate, two ends of the support bars are fixedly connected with mounting seats on the upper supporting plate and the vertical bars, and the upper end of the supporting frame is provided with a reel. The adjustable projection device for teaching of the technical scheme is characterized by beingsimple in structure, convenient to install, flexible to move and strong in practicality.
Description
technical field [0001] The invention relates to a projection device, in particular to an adjustable projection device for teaching. Background technique [0002] With the continuous updating of teaching methods, many times a teaching teacher needs to give lectures to hundreds of people. The traditional projector is not easy to adjust, which brings a lot of convenience to teaching, which is not conducive to teaching and is not conducive to students' learning. Moreover, the traditional projector is too large to be properly adjusted according to the use environment, and there is a lot of inconvenience in moving and carrying. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide an adjustable projection device for teaching, which has the characteristics of reasonable structure design, convenient use and convenient operation. [0004] In order to achieve the above object, the present inven...
Claims
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Patent Timeline
Login to View More IPC IPC(8): G03B21/54G09B5/02F16M11/38
CPCG03B21/54F16M11/38G09B5/02
Inventor 江涛
Owner 岳池县师范附属小学校