CN209794996U - Drawing device for advanced mathematics - Google Patents

Abstract

The utility model discloses a drawing device for advanced mathematics, including Y pole and X pole, the scale mark is installed in the front of Y pole, and the right surface mosaic of Y pole has a slide rail, the X pole is fixed in the right side of deciding the pole, and the inside of X pole is provided with the locating hole. This drawing device for higher mathematics sets up the movable coil and cup joints the outside at the fixed rod, consequently, movable coil and fixed rod between can rotate, and still weld the X pole on the movable coil, consequently, the X pole can be folded under the rotation effect between movable coil and the fixed rod, so that when not using whole device, fold X pole and Y pole to the parallel state each other, thereby make things convenient for daily depositing, set up on the X pole equidistance and seted up twelve locating holes, can place the chalk in the locating hole is inside, make the X pole when rotating, can drive the chalk setting-out on the blackboard, both can be used for drawing general curve, also can be used for drawing the whole circle, make the practicality of whole device strengthen greatly.

Description

drawing device for advanced mathematics

Technical Field

The utility model relates to a teaching aid technical field specifically is a drawing device for higher mathematics.

Background

The higher mathematics is a basic subject formed by micro-integration, deeper algebra, geometry and cross content among the algebra, the geometry and the simple set theory, and is regarded as a basic science, and the higher mathematics has inherent characteristics, namely high abstraction, strict logic and wide applicability, so that teachers are required to help students understand by drawing related graphs.

At present at the teaching in-process of high mathematics, the teacher generally only carries out the drawing of figure with the help of instruments such as set square, however the set square is in the use, be not convenient for fix on the blackboard, it holds the operation always to need the teacher, the burden among the teacher drawing process has been increased, and the unable corresponding coordinate point of accurate positioning of set square, be difficult to draw the variable figure, and current drawing device is difficult to draw the straight line and draw with the curve and combine together, the relatively poor problem of practicality, for this reason, we provide a drawing device for high mathematics.

Disclosure of Invention

An object of the utility model is to provide a drawing device for higher mathematics, in order to solve the teaching in-process at higher mathematics at present that proposes in the above-mentioned background art, the teacher generally only carries out the drawing of figure with the help of instruments such as set square, however the set square is in the use, be not convenient for fix on the blackboard, need teacher hold the operation always, the burden in the teacher drawing process has been increased, and the unable corresponding coordinate point of accurate positioning of set square, be difficult to draw the variable figure, and current drawing device is difficult to draw the straight line and draw the combination with the curve and be in the same place, the relatively poor problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drawing device for higher mathematics, includes Y pole and X pole, the scale mark is installed in the front of Y pole, and the right surface mosaic of Y pole has the slide rail, the lower extreme rear side of Y pole is fixed with first magnetism and inhales the stone, and the upper end rear side of Y pole installs the second magnetism and inhales the stone, the right side of slide rail is connected with the dead lever, the X pole is fixed in the right side of dead lever, and the inside of X pole is provided with the locating hole, the internal connection of slide rail has the slider, and the right-hand member of slider is fixed with the connecting piece, the base is installed to the right-hand member of connecting piece, and the rear side of base is fixed with the third magnetism and inhales the stone, the externally mounted of dead lever has the movable coil, the surface mounting of connecting piece has the external screw thread, and the external.

Preferably, the structure of Y pole is hollow structure, and the even equidistance of scale mark distributes in the surface of Y pole.

Preferably, the first magnetic stone and the second magnetic stone have the same structure, and are vertically symmetrical about the horizontal center line of the Y-shaped rod.

Preferably, the fixed rod penetrates through the moving coil, and the X-rod passes through the fixed rod and the moving coil to form a rotating structure with the base.

Preferably, the number of the positioning holes is 12, and the positioning holes are uniformly and equidistantly distributed in the X rod.

Preferably, the base forms a sliding structure through the sliding rail and the sliding block, the Y rod is connected with the base through the connecting piece in a threaded manner, and the external threads are matched with the internal threads in size.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The drawing device for higher mathematics is characterized in that a Y rod is arranged and is made of a wood material, the interior of the Y rod is hollow, the weight of the Y rod is reduced, the burden of holding by a teacher is reduced, scale marks are arranged on the outer surface of the Y rod, the teacher can conveniently select corresponding drawing sizes according to the scale marks, a first magnetic attraction stone and a second magnetic attraction stone are arranged on the rear surface of the Y rod, the upper end and the lower end of the Y rod are respectively provided with the first magnetic attraction stone and the second magnetic attraction stone, the first magnetic attraction stone and the second magnetic attraction stone can generate a magnetic attraction effect with a blackboard, the whole device is fixed on the blackboard, when the drawing device is used by the teacher, the drawing device does not need to be fixed by one hand, the drawing device can;

2. the movable ring is arranged and sleeved outside the fixed rod, so that the movable ring and the fixed rod can rotate, and the movable ring is welded with the X rod, so that the X rod can be folded under the rotating action between the movable ring and the fixed rod, and the X rod and the Y rod can be folded to be in a parallel state when the whole device is not used, so that daily storage is facilitated;

3. Set up between slide rail and the slider can relative slip to drive the relative X pole of X pole and reciprocate, so that utilize the scale mark on X pole and the X pole to confirm the position of coordinate point, thereby draw variable figure, and base and connecting piece are connected through the screw thread effect between external screw thread and the internal thread, consequently can dismantle between base and the connecting piece, conveniently separately use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the partial structure of the present invention;

Fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. a Y-bar; 2. scale lines; 3. a slide rail; 4. a first magnetically attracted stone; 5. a second magnetically attracted stone; 6. fixing a rod; 7. an X-bar; 8. positioning holes; 9. a slider; 10. a connecting member; 11. a base; 12. a third magnetically attracted stone; 13. moving coils; 14. an external thread; 15. an internal thread; 16. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

referring to fig. 1-3, the present invention provides a technical solution: a drawing device for advanced mathematics comprises a Y rod 1, scale marks 2, a sliding rail 3, a first magnetic stone 4, a second magnetic stone 5, a fixed rod 6, an X rod 7, a positioning hole 8, a sliding block 9, a connecting piece 10, a base 11, a third magnetic stone 12, a moving coil 13, an external thread 14, an internal thread 15 and a bolt 16, wherein the scale marks 2 are installed on the front surface of the Y rod 1, the sliding rail 3 is embedded on the right surface of the Y rod 1, the structure of the Y rod 1 is a hollow structure, the scale marks 2 are uniformly distributed on the outer surface of the Y rod 1 at equal intervals, the Y rod 1 is made of a wood material, the interior of the Y rod is in a hollow state, the weight of the Y rod 1 is reduced, the burden of holding by a teacher is relieved, the scale marks 2 are arranged on the outer surface of the Y rod 1, and the teacher can select corresponding drawing sizes according to the scale;

The rear side of the lower end of the Y rod 1 is fixed with a first magnetic stone 4, the rear side of the upper end of the Y rod 1 is provided with a second magnetic stone 5, the first magnetic stone 4 and the second magnetic stone 5 have the same structure, the first magnetic stone 4 and the second magnetic stone 5 are vertically symmetrical about the horizontal central line of the Y rod 1, the rear surface of the Y rod 1 is arranged, the upper end and the lower end of the Y rod 1 are respectively provided with the first magnetic stone 4 and the second magnetic stone 5, the first magnetic stone 4 and the second magnetic stone 5 can generate magnetic attraction with the blackboard, so that the whole device is fixed on the blackboard, when a teacher uses the device, the teacher does not need to fix a drawing device with one hand, one hand is used for drawing graphs, the burden of the teacher is favorably reduced, the right side of the slide rail 3 is connected with the fixed rod 6, the X rod 7 is fixed on the right side of the fixed rod 6, the positioning holes 8 are arranged inside the X rod 7, and, the positioning holes 8 are uniformly and equidistantly distributed in the X rod 7, twelve positioning holes 8 are equidistantly formed in the X rod 7, and chalks can be placed in the positioning holes 8, so that when the X rod 7 rotates, the chalks can be driven to draw lines on the blackboard, not only can general curves be drawn, but also whole circles can be drawn, and the practicability of the whole device is greatly enhanced;

The slide rail 3 is internally connected with a slide block 9, the right end of the slide block 9 is fixed with a connecting piece 10, the right end of the connecting piece 10 is provided with a base 11, the rear side of the base 11 is fixed with a third magnetic stone 12, the outside of the fixed rod 6 is provided with a moving coil 13, the fixed rod 6 penetrates through the inside of the moving coil 13, the X rod 7 forms a rotating structure with the base 11 through the fixed rod 6 and the moving coil 13, the moving coil 13 is arranged to be sleeved on the outside of the fixed rod 6, so that the moving coil 13 and the fixed rod 6 can rotate, the moving coil 13 is welded with the X rod 7, the X rod 7 can be folded under the rotating action between the moving coil 13 and the fixed rod 6, when the whole device is not used, the X rod 7 and the Y rod 1 are folded to be in a mutually parallel state, so that the daily storage is convenient, the outer surface of the connecting piece 10 is provided with an external thread 14, the external thread 14 is connected with an internal thread 15, the upper, base 11 passes through to constitute sliding construction between slide rail 3 and slider 9 and the Y pole 1, and the connected mode between base 11 and the connecting piece 10 is threaded connection, and the size between external screw thread 14 and the internal thread 15 is identical, it can relative slip to set up between slide rail 3 and the slider 9, thereby it reciprocates to drive the relative X pole 7 of X pole 7, so that utilize scale mark 2 on X pole 7 and the X pole 7 to confirm the position of coordinate point, thereby draw the variable figure, and base 11 and connecting piece 10 are connected through the screw thread effect between external screw thread 14 and the internal thread 15, consequently can dismantle between base 11 and the connecting piece 10, conveniently separately use.

The working principle is as follows: for the drawing device for higher mathematics, firstly, the whole device is placed on a blackboard, so that a first magnetic suction stone 4 and a second magnetic suction stone 5 are in contact with the blackboard surface, the first magnetic suction stone 4 and the second magnetic suction stone 5 have magnetic suction effect with the blackboard, so that the whole device is sucked on the blackboard, then according to coordinate points to be drawn, corresponding vertical coordinate readings are firstly read on a scale mark 2 on a Y rod 1, an X rod 7 is pushed upwards, a sliding block 9 slides upwards in a sliding rail 3 until the X rod 7 reaches the corresponding vertical coordinate position, then corresponding horizontal coordinate readings are read on a scale mark 2 on the X rod 7, and are marked by chalk, so that the position of the coordinate points can be determined, when the whole circle is drawn, the whole device is firstly taken down from the blackboard, then one hand holds the Y rod 1 to be still, the other hand rotates a base 11, make and take place the screw thread effect between external screw thread 14 and the internal thread 15, take place the separation between base 11 and the connecting piece 10, accomplish the dismantlement between Y pole 1 and the X pole 7, then place base 11 and X pole 7 on the blackboard, make third magnetism inhale and take place magnetism between stone 12 and the blackboard and inhale the effect, thereby adsorb base 11 on the blackboard, then a chalk is placed to locating hole 8 inside on X pole 7, make the chalk contact with the blackboard face after passing locating hole 8, unscrew bolt 16, make and can take place to draw between movable coil 13 and the fixed rod 6, promote X pole 7 and rotate 360 around fixed rod 6, the orbit that the chalk leaves on the blackboard is then a whole circle, just so accomplish the use of whole high mathematics with device.

although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. a drawing device for advanced mathematics, including Y pole (1) and X pole (7), its characterized in that: the front of the Y rod (1) is provided with scale marks (2), the right surface of the Y rod (1) is inlaid with a sliding rail (3), the lower end rear side of the Y rod (1) is fixed with a first magnetic stone (4), the upper end rear side of the Y rod (1) is provided with a second magnetic stone (5), the right side of the sliding rail (3) is connected with a fixed rod (6), the X rod (7) is fixed on the right side of the fixed rod (6), a positioning hole (8) is formed in the X rod (7), a sliding block (9) is connected in the sliding rail (3), a connecting piece (10) is fixed at the right end of the sliding block (9), a base (11) is installed at the right end of the connecting piece (10), a third magnetic stone (12) is fixed at the rear side of the base (11), a moving coil (13) is installed outside the fixed rod (6), and external threads (14) are installed on the outer surface of the connecting piece (10), and the outer part of the external thread (14) is connected with an internal thread (15), and the upper end of the fixed rod (6) is connected with a bolt (16).

2. The drawing device for advanced mathematics as claimed in claim 1, wherein: the structure of Y pole (1) is hollow structure, and scale mark (2) even equidistance distribution is in the surface of Y pole (1).

3. The drawing device for advanced mathematics as claimed in claim 1, wherein: the first magnetic stone (4) and the second magnetic stone (5) are the same in structure, and the first magnetic stone (4) and the second magnetic stone (5) are vertically symmetrical about the horizontal center line of the Y rod (1).

4. The drawing device for advanced mathematics as claimed in claim 1, wherein: the fixed rod (6) penetrates through the moving coil (13), and the X rod (7) forms a rotating structure with the base (11) through the fixed rod (6) and the moving coil (13).

5. The drawing device for advanced mathematics as claimed in claim 1, wherein: the number of the positioning holes (8) is 12, and the positioning holes (8) are uniformly distributed in the X rod (7) at equal intervals.

6. The drawing device for advanced mathematics as claimed in claim 1, wherein: the base (11) forms a sliding structure with the Y rod (1) through the sliding rail (3) and the sliding block (9), the base (11) is connected with the connecting piece (10) in a threaded mode, and the external threads (14) are matched with the internal threads (15) in size.