阅读说明：本技术 一种数学教学绘图仪 (Drawing instrument for mathematics teaching ) 是由 杨玮玮 于 2021-01-06 设计创作，主要内容包括：本发明公开了一种数学教学绘图仪,属于教学器材领域,包括设置黑板上下两侧的滑轨,两个所述滑轨均滑动安装有滑块,两个所述滑块共同安装有移动架,所述移动架上下对称安装有两个支撑板,两个所述支撑板共同安装有螺纹杆和滑杆,所述螺纹杆与两个支撑板转动安装,所述滑杆与两个支撑板固定安装,所述螺纹杆的下端安装有第二电机,所述螺纹杆和滑杆共同安装有移动板,所述移动板与螺纹杆螺纹安装,所述移动板与滑杆滑动安装,所述移动板的外侧安装有第一电机。发明的绘图仪具有操作简单便捷,绘图精确度高,电动化操作,无需人员操作,减轻人员负担,同时在闲置时,可移动至黑板的一侧,降低对空间的占用,避免影响黑板的正常使用。(The invention discloses a mathematical teaching plotter, which belongs to the field of teaching equipment and comprises slide rails arranged on the upper side and the lower side of a blackboard, wherein slide blocks are arranged on the two slide rails in a sliding manner, a moving frame is jointly arranged on the two slide blocks, two support plates are symmetrically arranged on the upper side and the lower side of the moving frame, a threaded rod and a slide rod are jointly arranged on the two support plates, the threaded rod and the two support plates are rotatably arranged, the slide rod and the two support plates are fixedly arranged, a second motor is arranged at the lower end of the threaded rod, a moving plate is jointly arranged on the threaded rod and the slide rod, the moving plate and the threaded rod are in threaded arrangement, the moving plate and. The drawing instrument has the advantages of simple and convenient operation, high drawing accuracy, electric operation, no need of personnel operation, reduction of personnel burden, and capability of moving to one side of the blackboard when the drawing instrument is idle, so that the occupation of space is reduced, and the influence on the normal use of the blackboard is avoided.)

1. The utility model provides a mathematics teaching plotter, is including slide rail (2) that sets up both sides about blackboard (1), its characterized in that, two equal slidable mounting of slide rail (2) has slider (3), two slider (3) are installed jointly and are removed frame (4), remove frame (4) longitudinal symmetry and install two backup pads (5), two threaded rod (6) and slide bar (7) are installed jointly to backup pad (5), threaded rod (6) and two backup pad (5) rotate the installation, slide bar (7) and two backup pad (5) fixed mounting, second motor (11) are installed to the lower extreme of threaded rod (6), threaded rod (6) and slide bar (7) install jointly (8), movable plate (8) and threaded rod (6) movable plate thread mounting, movable plate (8) and slide bar (7) slidable mounting, first motor (9) are installed in the outside of movable plate (8), move frame (4) and run through and seted up rectangular channel (10), be equipped with flexible drawing pole (12) between blackboard (1) and the removal frame (4), flexible drawing pole (12) comprise pivot (13) and a plurality of mutual slidable mounting's sleeve pipe (14), pivot (13) are installed with the drive end of first motor (9), are located the outside the tip of sleeve pipe (14) is run through and has been seted up drawing pen jack (15).

2. The plotter for mathematical education as claimed in claim 1, wherein a plurality of magnets (17) are embedded in the sleeves (14), and any two adjacent sleeves (14) are installed by being attracted by the magnets (17).

3. A plotter for mathematical education as claimed in claim 2, characterized in that said magnets (17) are equally spaced.

4. The plotter for mathematical education as claimed in claim 1, characterized in that the plotter pen receptacle (15) is screw-mounted with a locking bolt (16).

5. The plotter for mathematical education as claimed in claim 1, characterized in that said telescopic plotter stick (12) comprises a rotation shaft (13) and four sleeves (14) symmetrically arranged on both sides of the rotation shaft (13), the total length of the two sleeves (14) on the left side of said rotation shaft (13) being the same as the total length of the two sleeves (14) on the right side of the rotation shaft (13).

6. The plotter for mathematical education as claimed in claim 1, characterized in that the diameter of the shaft (13) is the same as the width of the rectangular groove (10), the shaft (13) being in sliding clearance fit with the rectangular groove (10).

7. The drawing instrument for mathematics teaching as claimed in claim 1, characterized in that said moving plate (8) is equipped with a threaded hole matching with threaded rod (6) and a sliding hole matching with sliding rod (7), said moving plate (8) is also equipped with a round hole, the top of said rotating shaft (13) is installed with the driving end of first motor (9) through the through hole of moving plate (8).

8. The plotter for mathematical education as claimed in claim 1, characterized in that the first motor (9) and the second motor (11) are both externally connected with a single-chip microcomputer.

Technical Field

The invention relates to the technical field of teaching equipment, in particular to a mathematical teaching plotter.

Background

Mathematics is a general means for human beings to strictly describe the abstract structure and mode of things, can be applied to any problem in the real world, and all mathematical objects are artificially defined in nature. In this sense, mathematics belongs to formal science, not natural science. Different mathematicians and philosophies have a range of views on the exact scope and definition of mathematics.

In mathematical education, a drawing tool is required to be used for drawing a graph on a blackboard, and through retrieval, the Chinese patent No. CN 104985958B discloses a mathematical education plotter, which relates to a spiral line drawing device. A transverse slideway arranged longitudinally is arranged at the center of the upper surface of the base; the movable frame is vertically arranged on the base, and a convex edge of the movable frame is connected with a rack arranged below the base; the vertical side of the triangular bracket is supported at the rear side of the movable frame; the lower end of the lead screw guide rod is hinged with the right-angle position of the movable frame, and the upper end of the lead screw guide rod is fixed on the arc-shaped through groove through a lead screw adjusting bolt; a slide way which is longitudinally arranged and is communicated with the front and the back is arranged on the helix angle guide rod, and a line drawing pen is matched with the slide way; a slide block is arranged on a tail seat at the rear side of the line drawing pen, a vertical sliding groove is arranged on the vertical side of the triangular support, and the slide block is in sliding fit with the vertical sliding groove; a motor is fixed below the base, a gear is mounted on a rotating shaft of the motor, and the gear is meshed with the rack.

Although a plurality of drawing tools exist in the prior art, the drawing is inconvenient at present when drawing circles, particularly when the circles are large in radius, the accuracy and the simplicity degree of drawing are not ideal, and meanwhile, most of the drawing tools are used for manually drawing and are inconvenient to operate, so that the invention provides the drawing instrument for mathematical education.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a drawing instrument for mathematical teaching.

In order to achieve the purpose, the invention adopts the following technical scheme:

a mathematical education plotter comprises slide rails arranged at the upper side and the lower side of a blackboard, wherein two slide rails are respectively provided with a slide block in a sliding way, two slide blocks are respectively provided with a movable frame, the movable frame is provided with two support plates which are vertically and symmetrically provided with a threaded rod and a slide rod, the threaded rod and the two support plates are arranged in a rotating way, the slide rod and the two support plates are fixedly arranged, the lower end of the threaded rod is provided with a second motor, the threaded rod and the slide rod are provided with a movable plate, the movable plate and the threaded rod are arranged in a threaded way, the movable plate and the slide rods are arranged in a sliding way, the outer side of the movable plate is provided with a first motor, the movable frame is provided with a rectangular groove in a penetrating way, a telescopic plotting rod is arranged between the blackboard and the movable frame and consists of a rotating, and the end part of the sleeve pipe positioned on the outermost side is penetrated and provided with a drawing pen jack.

Further, a plurality of magnets are embedded in the sleeves, and any two adjacent sleeves are installed through magnet adsorption.

Further, the magnets are arranged at equal intervals.

Further, a locking bolt is installed at the position of the drawing pen socket through threads.

Furthermore, flexible drawing pole includes that a pivot and symmetry set up four sleeve pipes in the pivot both sides and constitute, is located the total length of two sleeve pipes on the pivot left side is the same with the total length of two sleeve pipes on the pivot right side.

Further, the diameter of the rotating shaft is the same as the width of the rectangular groove, and the rotating shaft is in sliding clearance fit with the rectangular groove.

Furthermore, the movable plate is provided with a threaded hole matched with the threaded rod and a sliding hole matched with the sliding rod, the movable plate is further provided with a round hole, and the top end of the rotating shaft penetrates through the through hole of the movable plate and is installed with the driving end of the first motor.

Furthermore, the first motor and the second motor are both externally connected with a single chip microcomputer.

Compared with the prior art, the invention has the beneficial effects that:

1. the drawing instrument is arranged on the outer side of the blackboard, and can draw circles with different diameters by drawing circular patterns at any position of the blackboard, and the drawing instrument adopts electric operation during drawing without manual drawing by personnel, so that the drawing accuracy and convenience are improved.

2. The plotter can be moved to one side of the blackboard, so that the occupied space is small, the normal use of the blackboard cannot be influenced, and unnecessary troubles are avoided.

In conclusion, the plotter disclosed by the invention is simple and convenient to operate, high in plotting accuracy, electrically operated, free of personnel operation, capable of reducing the burden of personnel, and capable of moving to one side of the blackboard when not in use, so that the occupied space is reduced, and the influence on the normal use of the blackboard is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic view of the overall structure of a mathematical education plotter according to the present invention;

fig. 2 (a), (b) and (c) are respectively front, right and left views of the moving frame;

fig. 3 (a) and (b) are a front view and a top view, respectively, of the telescopic drawing rod;

FIG. 4 is an enlarged schematic view of the receptacle of the drawing pen at the end of the sleeve according to the present invention;

fig. 5 is an enlarged view of the internal connection between the sleeves of the present invention.

In the figure: the drawing board comprises a blackboard 1, a slide rail 2, a slide block 3, a moving frame 4, a supporting plate 5, a threaded rod 6, a sliding rod 7, a moving plate 8, a first motor 9, a rectangular groove 10, a second motor 11, a telescopic drawing rod 12, a rotating shaft 13, a sleeve 14, a drawing pen jack 15, a locking bolt 16 and a magnet 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, a mathematical education plotter, including setting up the slide rail 2 of blackboard 1 upper and lower both sides, two slide rail 2 all slidable mounting have slider 3, and the slider is restricted in slide rail 2, only can remove along slide rail 2, and can't break away from slide rail 2.

Two sliders 3 are installed jointly and are removed frame 4, it is shown with reference to figure 2 to remove the frame, be the U-shaped frame structure of side stand, remove frame 4 upper and lower symmetry and install two backup pads 5, threaded rod 6 and slide bar 7 are installed jointly to two backup pads 5, threaded rod 6 rotates the installation with two backup pads 5, slide bar 7 and two backup pads 5 fixed mounting, second motor 11 is installed to the lower extreme of threaded rod 6, movable plate 8 is installed jointly to threaded rod 6 and slide bar 7, movable plate 8 and 6 threaded mounting of threaded rod, movable plate 8 and slide bar 7 slidable mounting.

The second motor 11 drives the threaded rod 6 to rotate, and at the same time, the threaded rod 6 is in threaded fit with the moving block 8, so that the moving block 8 is controlled to stably move along the threaded rod 6 and the sliding rod 7.

The first motor 9 is installed on the outer side of the moving plate 8, and when the moving block 8 moves, the first motor 9 moves along with the moving block. The moving frame 4 runs through and has been seted up rectangular channel 10, is equipped with flexible drawing pole 12 between blackboard 1 and the moving frame 4, and flexible drawing pole 12 comprises pivot 13 and a plurality of mutual slidable mounting's sleeve pipe 14, and pivot 13 is installed with the drive end of first motor 9, and the tip that is located the sleeve pipe 14 in the outside runs through and has seted up drawing pen jack 15. The drawing pen is installed in the drawing pen insertion hole 15.

In this embodiment, a plurality of magnets 17 are embedded in the sleeves 14, and any two adjacent sleeves 14 are attached and installed by the magnets 17. The magnets 17 are arranged at equal intervals. The spacing between the magnets 17 is 5 cm in this embodiment.

The sleeve pipes 14 are fixed in a limiting mode after adjustment through the magnets 17, the length adjustment can be achieved by pushing the two sleeve pipes 14 inwards or pulling the two sleeve pipes 14 outwards, and the limiting is achieved through the mutual adsorption effect between the magnets 17.

In this embodiment, a locking bolt 16 is threadedly mounted at the drawing pen insertion hole 15. The locking bolt 16 can fix the drawing pen, so that the drawing pen is stably arranged in the drawing pen insertion hole 15.

In this embodiment, the telescopic drawing rod 12 includes a rotating shaft 13 and four sleeves 14 symmetrically disposed on two sides of the rotating shaft 13, and the total length of the two sleeves 14 located on the left side of the rotating shaft 13 is the same as the total length of the two sleeves 14 located on the right side of the rotating shaft 13.

In this embodiment, the diameter of the rotating shaft 13 is the same as the width of the rectangular groove 10, and the rotating shaft 13 is in sliding clearance fit with the rectangular groove 10. When the first motor 9 moves along with the moving block 8, the rotating shaft 13 slides downwards or upwards in the rectangular groove 10.

In this embodiment, the moving plate 8 is provided with a threaded hole matched with the threaded rod 6 and a sliding hole matched with the sliding rod 7, the moving plate 8 is further provided with a circular hole, and the top end of the rotating shaft 13 penetrates through the through hole of the moving plate 8 to be installed at the driving end of the first motor 9.

In this embodiment, the first motor 9 and the second motor 11 are both externally connected to a single chip. The single chip microcomputer is of a programmable 89S51 type and is used for controlling the first motor 9 and the second motor 11 to operate and controlling the second motor 11 to rotate forwards and backwards.

The working principle and the using process of the invention are as follows:

transversely promote the removal frame 4, can be with the plotter along 1 lateral shifting of blackboard, second motor 11 drive threaded rod 6 rotates to adjust movable block 8, first motor 9 and flexible plotting rod 12 and remove, adjust the length between the sleeve pipe 14 in the flexible plotting rod 12, put into plotting pen jack 15 with the plotting pen and lock through locking bolt 16 and die, first motor 9 drive pivot 13 rotates this moment, thereby drive the plotting pen and rotate, can draw circularly on blackboard 1 this moment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.