阅读说明：本技术 一种大学高等数学专用多功能绘图器 (Special multi-functional plotter of mathematics such as university height ) 是由 王晓燕 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种大学高等数学专用多功能绘图器,涉及绘图设备领域,包括黑板与底座,所述底座的上端侧壁固定连接有电动伸缩杆,所述黑板固定连接在电动伸缩杆的上端侧壁上,所述底座的下端侧壁上固定安装有多个万向轮,所述黑板的上下端侧壁均固定连接有横轨,横轨、纵轨、滑尺、滑套、安装盒、夹套以及多个定位螺栓之间的配合使用,将粉笔插在夹套内,通过在横轨上移动纵轨、在纵轨上移动滑尺以及旋转滑尺,可实现横线、纵线、圆弧以及圆形等多种图形的绘制,并通过相应的刻度线,确定相应的图形绘制比例,使得图形绘制过程方便快捷且较为工整,进而便于使用者更好地演示相应的数学逻辑命题。(The invention discloses a special multifunctional plotter for higher mathematics in university, which relates to the field of plotting equipment and comprises a blackboard and a base, the side wall of the upper end of the base is fixedly connected with an electric telescopic rod, the blackboard is fixedly connected with the side wall of the upper end of the electric telescopic rod, the side walls of the upper end and the lower end of the blackboard are fixedly connected with a transverse rail, the transverse rail, a longitudinal rail, a sliding ruler, a sliding sleeve, a mounting box, a jacket and a plurality of positioning bolts, chalk is inserted into the jacket, and by moving the longitudinal rail on the transverse rail, moving the sliding ruler on the longitudinal rail and rotating the sliding ruler, can realize the drawing of various figures such as horizontal lines, longitudinal lines, circular arcs, circles and the like, and determine the corresponding drawing proportion of the figures through corresponding scale marks, the process of drawing the graph is convenient, rapid and relatively neat, and then a user can demonstrate the corresponding mathematical logic proposition better.)

1. The utility model provides a special multi-functional plotter of mathematics such as university height, includes blackboard (1) and base (23), its characterized in that, the upper end lateral wall fixedly connected with electric telescopic handle (24) of base (23), blackboard (1) fixed connection is on electric telescopic handle's (24) upper end lateral wall, fixed mounting has a plurality of universal wheels on the lower extreme lateral wall of base (23), the equal fixedly connected with horizontal rail (2) of the upper and lower distolateral wall of blackboard (1), two first spout (3) have all been seted up to the relative lateral wall of horizontal rail (2), two equal sliding connection has first slider (4) on the lateral wall of first spout (3), two the common fixedly connected with vertical rail (5) of the relative lateral wall of first slider (4), one of them the lateral wall through thread connection of first slider (4) has first positioning bolt (6), the tail end of the first positioning bolt (6) is tightly abutted to the side wall of the first sliding groove (3), the side wall of the longitudinal rail (5) is provided with a second sliding groove (7) in a penetrating mode, the side wall of one end of the second sliding groove (7) is provided with a third sliding groove (8) in a penetrating mode, the second sliding groove (7) is connected with a second sliding block (9) in a sliding mode, the side wall of the second sliding block (9) is connected with a second positioning bolt (10) in a penetrating mode through threads, one end of the second positioning bolt (10) penetrates through the inside of the third sliding groove (8) and extends outwards, the other end of the second positioning bolt (10) is tightly abutted to the side wall of the second sliding groove (7), the side wall of the second sliding block (9) is fixedly connected with a connecting piece (11), and the side wall of the connecting piece (11) is.

2. The special multifunctional plotter for college advanced mathematics according to claim 1, wherein the plotting mechanism comprises a sliding ruler (12) rotatably connected to the side wall of the connecting member (11), a sliding sleeve (13) is slidably sleeved on the outer side wall of the sliding ruler (12), a third positioning bolt (14) is connected to one side wall of the sliding sleeve (13) in a penetrating and threaded manner, the end of the third positioning bolt (14) abuts against the side wall of the sliding ruler (12), a mounting box (15) is fixedly connected to the other side wall of the sliding sleeve (13), an ash sucking port (16) is formed in one side wall of the mounting box (15) in a penetrating manner, a semispherical sleeve (17) is fixedly connected to the inner side wall of the mounting box (15), a rubber ball (18) is slidably connected to the inner side wall of the semispherical sleeve (17), one side wall of the rubber ball (18) penetrates through the inside of the ash sucking port (16) and abuts against the side wall of the blackboard (1), the outer side wall of the mounting box (15) is fixedly connected with a clamping sleeve (21), the side walls of the upper end and the lower end of the mounting box (15) are provided with sliding openings in a penetrating mode, and the sliding openings are connected with ash collecting boxes (20) in a sliding mode.

3. A multifunctional plotter for college advanced mathematics according to claim 2, characterized in that the inner side wall of the hemisphere cover (17) is provided with a fur layer (19).

4. A multifunctional plotter special for college higher mathematics according to claim 2, characterized in that the inner side wall of the hemisphere cover (17) is tightly attached with a rubber ball (18).

5. A multifunctional plotter for college advanced mathematics according to claim 2, characterized in that the inside of the mounting box (15) is interconnected with the outside of the mounting box (15) through a dust suction opening (16), and the inside of the mounting box (15) is interconnected with the inside of the dust collection box (20) through a sliding opening on the side wall of the mounting box (15).

6. A multifunctional plotter for college advanced mathematics according to claim 2, characterized in that the jacket (21) is made of elastic plastic material.

7. A multifunctional plotter for college advanced mathematics according to claim 2, characterized in that the two ends of the slide rule (12) are provided with baffles (22).

8. A multifunctional plotter for college advanced mathematics according to claim 2, characterized in that the side walls of the cross rail (2) and the slide rule (12) are provided with graduation marks.

Technical Field

The invention relates to the field of drawing equipment, in particular to a special multifunctional plotter for higher mathematics of university.

Background

Higher mathematics is a basic subject formed by micro-integration, algebra, geometry and cross content between them, and is used as a transition between elementary mathematics in the middle and primary schools and higher mathematics in the college stage. The main contents of the system comprise a sequence, a limit, a calculus, a space analytic geometry, a linear algebra, a series and an ordinary differential equation, and the system is also a basic subject of an academic laboratory test of an industrial department, a science and a financial institution;

as a basic science, advanced mathematics has inherent characteristics, namely high abstraction, strict logic and wide applicability, wherein the abstraction and the calculation are the most basic and obvious characteristics of the mathematics, and only by unifying the abstraction and the intuition, the essential rule can be deeply disclosed and can be widely applied, and the strict logic means that in the induction and the arrangement of the mathematical theory, no matter the concept and the expression, or the judgment and the reasoning, the logic rule is applied and the thinking rule is followed;

in the study of higher mathematics, no matter teacher's teaching or student's study, all need draw a large amount of images, express various abstractiveness, the demonstration of computability proposition, traditional drawing mode, the mode that adopts drawing rule or direct hand drawing more draws, the figure regularity that this kind of mode was drawn is often relatively poor, it is great with the logic relation error of mathematics proposition, be unfavorable for the rational expression mathematics proposition relation, and want to draw rationally, the figure of perfection, it takes time very again, we have provided a special multi-functional plotter of higher mathematics of university for this, solve above problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a special multifunctional plotter for high mathematics in universities.

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

the multifunctional plotter special for high-grade mathematics in university comprises a blackboard and a base, wherein an electric telescopic rod is fixedly connected to the upper end side wall of the base, the blackboard is fixedly connected to the upper end side wall of the electric telescopic rod, a plurality of universal wheels are fixedly mounted on the lower end side wall of the base, transverse rails are fixedly connected to the upper end side wall and the lower end side wall of the blackboard, first sliding grooves are formed in opposite side walls of the two transverse rails, first sliding blocks are slidably connected to side walls of the two first sliding grooves, longitudinal rails are fixedly connected to opposite side walls of the two first sliding blocks together, a first positioning bolt is in threaded connection with the side wall of one first sliding block, the tail end of the first positioning bolt is tightly abutted to the side wall of the first sliding groove, a second sliding groove is formed in the side wall of the longitudinal rail in a penetrating manner, and a third sliding groove is formed in one end, the sliding connection has the second slider in the second spout, the lateral wall through thread connection of second slider has second positioning bolt, the inside and the outside extension of third spout are run through to the one end of second positioning bolt, the other end of second positioning bolt offsets tightly with the lateral wall of second spout, the lateral wall fixedly connected with connecting piece of second slider, the lateral wall of connecting piece rotates and is connected with drawing mechanism.

Preferably, the drawing mechanism is including rotating the slide rule of connection on the connecting piece lateral wall, the sliding sleeve has been cup jointed in the slip on the lateral wall of slide rule, the one end lateral wall through thread connection of sliding sleeve has the third positioning bolt, the tip of third positioning bolt offsets tightly with the lateral wall of slide rule, the other end lateral wall fixedly connected with mounting box of sliding sleeve, the one end lateral wall of mounting box runs through and has seted up the ash sucking mouth, fixedly connected with hemisphere cover on the inside wall of mounting box, sliding connection has the rubber ball on the inside wall of hemisphere cover, the one end lateral wall of rubber ball runs through the inside of ash sucking mouth and offsets tightly with the lateral wall of blackboard, fixedly connected with presss from both sides the cover on the lateral wall of mounting box, the last lower extreme lateral wall of mounting box all runs through and has seted up the spout, sliding connection has the ash collecting box in the spout.

Preferably, a fur layer is arranged on the inner side wall of the semispherical sleeve.

Preferably, the inner side wall of the semispherical sleeve is tightly attached to the rubber ball.

Preferably, the inside of the mounting box is communicated with the outside of the mounting box through a dust suction port, and the inside of the mounting box is communicated with the inside of the dust collecting box through a sliding port on the side wall of the mounting box.

Preferably, the jacket is made of elastic plastic materials.

Preferably, both ends of the sliding ruler are provided with baffles.

Preferably, the side walls of the transverse rail and the sliding ruler are provided with scale marks.

The invention has the beneficial effects that: according to the invention, through the matched use of the transverse rail, the longitudinal rail, the sliding scale, the sliding sleeve, the mounting box, the jacket and the plurality of positioning bolts, chalk is inserted into the jacket, through moving the longitudinal rail on the transverse rail, moving the sliding scale on the longitudinal rail and rotating the sliding scale, the drawing of various figures such as transverse lines, longitudinal lines, circular arcs, circles and the like can be realized, and through corresponding scale marks, the corresponding drawing proportion of the figures is determined, so that the drawing process of the figures is convenient, rapid and neat, and further, a user can better demonstrate corresponding mathematical logic propositions;

through the mounting box, the ball cover, the rubber ball, cooperation between the collection ash box is used, fix chalk clamp cover on the mounting box, chalk in using the clamp cover removes when drawing the figure on the blackboard, rubber ball in the mounting box constantly rolls on the blackboard, make its constantly rub and produce the electrostatic charge with the cortex in the ball cover, can inhale the mounting box with the chalk dust that the chalk drawing in-process produced, and concentrate through the collection ash box, realize the function of instant removal chalk dust, avoid the user to inhale a large amount of chalk dust and influence healthily at the drawing in-process.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structural schematic diagram of the present invention.

Fig. 3 is a top view of a portion of the structure of the present invention.

Fig. 4 is an enlarged view of a portion a of the present invention.

Fig. 5 is an enlarged view of part B of the present invention.

Fig. 6 is an enlarged view of the portion C of the present invention.

Reference numbers in the figures: 1 blackboard, 2 horizontal rails, 3 first spout, 4 first sliders, 5 vertical rails, 6 first positioning bolts, 7 second spouts, 8 third spouts, 9 second sliders, 10 second positioning bolts, 11 connecting pieces, 12 sliding rules, 13 sliding sleeves, 14 third positioning bolts, 15 mounting boxes, 16 dust suction ports, 17 hemispherical sleeves, 18 rubber balls, 19 fur layers, 20 dust collection boxes, 21 clamping sleeves, 22 baffles, 23 bases and 24 electric telescopic rods.

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.

Referring to fig. 1-6, a special multifunctional plotter for high mathematics such as university comprises a blackboard 1 and a base 23, wherein the upper side wall of the base 23 is fixedly connected with an electric telescopic rod 24, the blackboard 1 is fixedly connected to the upper side wall of the electric telescopic rod 24, and the lower side wall of the base 23 is fixedly provided with a plurality of universal wheels, so that the blackboard 1 can be conveniently moved and used by controlling the extension and retraction of the electric telescopic rod 24, and the blackboard 1 can be driven to move up and down by controlling the extension and retraction of the electric telescopic rod 24, and further the height position of the blackboard 1 can be freely adjusted, so that the blackboard 1 is convenient for;

the side walls of the upper end and the lower end of the blackboard 1 are fixedly connected with transverse rails 2, the opposite side walls of the two transverse rails 2 are respectively provided with a first sliding chute 3, the side walls of the two first sliding chutes 3 are respectively connected with a first sliding block 4 in a sliding way, the opposite side walls of the two first sliding blocks 4 are jointly and fixedly connected with a longitudinal rail 5, the side wall of one first sliding block 4 is connected with a first positioning bolt 6 in a penetrating and threaded way, the tail end of the first positioning bolt 6 is tightly abutted against the side wall of the first sliding chute 3, the side wall of the longitudinal rail 5 is provided with a second sliding chute 7 in a penetrating way, one end side wall of the second sliding chute 7 is provided with a third sliding chute 8 in a penetrating way, the second sliding chute 7 is connected with a second sliding block 9 in a sliding way, the side wall of the second sliding block 9 is connected with a second positioning bolt 10 in a penetrating and threaded way, one end of the second positioning bolt 10, the side wall of the second sliding block 9 is fixedly connected with a connecting piece 11, the side wall of the connecting piece 11 is rotatably connected with a drawing mechanism, the drawing mechanism comprises a sliding ruler 12 which is rotatably connected to the side wall of the connecting piece 11, scale marks are arranged on the side walls of the transverse rail 2 and the sliding ruler 12, and the scale marks are arranged to accurately draw a graph proportion;

the two end parts of the sliding ruler 12 are respectively provided with a baffle 22, the baffle 22 is arranged to prevent the sliding sleeve 13 from being separated from the sliding ruler, the sliding sleeve 13 is slidably sleeved on the outer side wall of the sliding ruler 12, one end side wall of the sliding sleeve 13 is in threaded connection with a third positioning bolt 14 in a penetrating manner, the end part of the third positioning bolt 14 is abutted against the side wall of the sliding ruler 12, the other end side wall of the sliding sleeve 13 is fixedly connected with a mounting box 15, one end side wall of the mounting box 15 is provided with a dust suction port 16 in a penetrating manner, a semispherical sleeve 17 is fixedly connected on the inner side wall of the mounting box 15, a fur layer 19 is arranged on the inner side wall of the semispherical sleeve 17, a rubber ball 18 is slidably connected on the inner side wall of the semispherical sleeve 17, the inner side wall of the semispherical sleeve 17 is tightly attached to the rubber ball 18, one end side wall of the rubber ball 18 penetrates through the inner part of the dust suction port 16 and, generating static charge, absorbing chalk dust generated in the drawing process, realizing the real-time dust removal effect in the drawing process, and preventing a user from sucking a large amount of chalk dust in the drawing process;

fixedly connected with presss from both sides cover 21 on the lateral wall of mounting box 15, it adopts the elastic plastic material to make to press from both sides cover 21, can break off with the fingers and thumb and place the chalk with pressing from both sides the cover, and under the deformation recovery of pressing from both sides cover 21 self, press from both sides tight fixed to the chalk, the last lower extreme lateral wall of mounting box 15 all runs through and has seted up the spout, sliding connection has collection ash box 20 in the spout, the inside of mounting box 15 is through inhaling the outside intercommunication each other of ash hole 16 and mounting box 15, the inside of mounting box 15 is through the spout on the lateral wall of mounting box 15 and the inside of collection ash box 20 intercommunication each.

The working principle is as follows: when the device is used, mathematical logic demonstration can be performed on the blackboard 1 through chalk, when a figure needs to be drawn, the chalk can be inserted into the jacket 21, firstly, the first positioning bolt 6 is loosened outwards to separate the first positioning bolt 6 from the side wall of the first sliding groove 3, so that the positioning effect on the first sliding block 4 is canceled, a user can slide the longitudinal rail 5 on the transverse rail 2 to drive the chalk in the jacket 21 to draw a transverse line, and the user can draw the figure with a corresponding proportion through the scale marks on the side wall of the transverse rail 2, when the longitudinal line needs to be drawn, the end part of the second positioning bolt 10 is separated from the side wall of the second sliding groove 7 through the second positioning bolt 10 being loosened outwards to separate the end part of the second positioning bolt 10 from the side wall of the second sliding groove 7, so that the second sliding block 9 can freely slide on the side wall of the second sliding groove 7, so that the sliding ruler 12 is driven to longitudinally move on the longitudinal rail 5, the chalk in the jacket 21 is enabled to move longitudinally, drawing of a longitudinal line is achieved, when an arc or a circle needs to be drawn, the third positioning bolt 14 can be loosened, the end portion of the third positioning bolt 14 is separated from the side wall of the sliding ruler 12, the positioning effect on the sliding sleeve 13 is cancelled, the sliding sleeve 13 can freely slide on the side wall of the sliding ruler 12, the sliding sleeve 13 slides to the position of a corresponding scale mark on the side wall of the sliding ruler 12, a corresponding radius is further determined, the third positioning bolt 14 is screwed down, the sliding sleeve 13 is fixed on the side wall of the sliding ruler 12, the second positioning bolt 10 is screwed down, the second sliding block 9 is positioned, the sliding ruler 12 can be rotated at the moment, the chalk in the jacket 21 is driven to draw the arc and the circle, and in conclusion, the drawing process is convenient, rapid and relatively neat;

in addition, when the chalk in the jacket 21 is used for drawing, the mounting box 15 and the jacket 21 move synchronously, so that the rubber ball 18 rolls on the side wall of the blackboard 1 continuously, further the rubber ball 18 and the inner side wall of the hemispherical sleeve 17 rub relatively, because the inner side wall of the rubber ball 18 is provided with the fur layer 19, the rubber ball 18 can generate static charges due to friction, the chalk dust generated in the drawing process is sucked into the mounting box 15 through the dust suction port 16 on the side wall of the mounting box 15 in time and is adsorbed on the side wall of the rubber ball 18, along with the rolling of the rubber ball 18, the dust on the side wall of the rubber ball 18 is scraped off by the side wall of the hemispherical sleeve 17 and falls into the corresponding dust collecting box 20 for collection, so that the timely dust removing effect is realized, and the influence on health caused by the fact that a user sucks a large amount of dust is.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

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.