English letter demonstrating and teaching tool
A technology of letters and teaching aids, applied in the field of English letter demonstration teaching aids, can solve the problems of wasting time, inconvenient adjustment, unclear information, etc., and achieve the effect of convenient use, easy operation and clear demonstration information
Inactive Publication Date: 2017-02-15
HUNAN CITY UNIV
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- Description
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- Application Information
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Problems solved by technology
[0002] The existing English letter demonstration teaching aids are inconvenient to adjust during demonstration, and time is wasted during demonstration, and the information it demonstrates is not clear
Method used
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[0011] In order to make the object, technical solution and advantages of the present invention clearer, the present invention is described below through specific embodiments shown in the accompanying drawings. It should be understood, however, that these descriptions are exemplary only and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0012] Such as figure 1 As shown, this specific embodiment adopts the following technical solutions: it includes a frame 1, a support foot 2, a linear guide rail 3, a demonstration board 4, a screw nut seat 5, a lead screw 6, a rotating handle 7, a mounting block 8, and a magnifying lens 9; The bottom of the frame 1 is equipped with support feet 2 through bolts. The frame 1 is divided into left and right areas, and both ends of the left and right areas are eq...
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The invention discloses an English letter demonstrating and teaching tool, which relates to the technical field of English tools. The bottom part of the frame is provided with support legs through bolts. The frame is divided into a left area and a right area. The two ends of both the left area and the right area are provided with linear guide rails. The bottom of a demonstration board is mounted on the sliding blocks of the two linear guide rails through bolts. The middle part at the back end of the demonstrating board is connected with a leading screw holder through bolts; the leading screw holder is provided therein with a leading screw bar. The two ends of the leading screw bar are mounted at the two ends of the frame through bearing holders. The lower end of the leading screw bar is provided with a rotary handle. Both ends in the middle part of the frame are provided with installation blocks and magnifying lenses are mounted on the installation blocks through bolts. According to the demonstrating and teaching tool of the invention, the demonstrating information is clear; comparing explanations can be realized; and for its convenient use, the tool can be easily operated.
Description
technical field [0001] The invention relates to an English letter demonstration teaching aid, which belongs to the technical field of English appliances. Background technique [0002] The existing English letter demonstration teaching aids are inconvenient to adjust during demonstration, and time is wasted during demonstration, and the information demonstrated is not clear. Contents of the invention [0003] In view of the above problems, the technical problem to be solved by the present invention is to provide an English letter demonstration teaching aid. [0004] A kind of English letter demonstration teaching aid of the present invention, it comprises frame, support foot, linear guide rail, demonstration board, screw nut seat, lead screw, turning handle, mounting block, magnifying glass; It is divided into left and right areas, and both ends of the left and right areas are equipped with linear guide rails. The bottom of the demonstration board is installed on the slide...
Claims
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IPC IPC(8): G09B19/06
CPCG09B19/06
Inventor 姚力之
Owner HUNAN CITY UNIV