1. The plotter for mathematical education is characterized by comprising a disc (1), a rotating shaft (2), a straight plate (3), a moving assembly (4) and a fixing assembly (5), wherein the rotating shaft (2) is installed in the center of the outer wall of the top end of the disc (1), the straight plate (3) is rotatably installed on the outer wall of the rotating shaft (2), the moving assembly (4) is arranged on the outer wall of the straight plate (3), and the fixing assembly (5) is arranged on the outer wall of the moving assembly (4);

the moving assembly (4) comprises a moving block (41), a through groove (42), a mounting groove (43), a pressing block (44), a first sleeve (45), a second spring (46), an inserting rod (47), a clamping head (48), a warping plate (49), a stop block (410), a stop strip (411), a through hole (412), an anti-slip strip (413) and an extrusion block (414), wherein the moving block (41) is mounted on the outer wall of the straight plate (3), the through groove (42) is formed in the outer wall of the moving block (41) in a penetrating mode corresponding to the straight plate (3), the straight plate (3) penetrates through the through groove (42), the mounting groove (43) is formed in the outer wall of the top end of the moving block (41), the pressing block (44) is rotatably mounted between the inner walls of two sides of the mounting groove (43), the first sleeve (45) is fixed in the middle of the outer wall of the bottom end of the pressing block (44), the inserting rod (47) is inserted into the first sleeve (45), one end of the insertion rod (47) located in the first sleeve (45) is fixed with a second spring (46), the other end of the second spring (46) is fixed on the inner wall of the first sleeve (45), and the other end of the insertion rod (47) is fixed with a clamping head (48).

2. A plotter for mathematical education as claimed in claim 1, characterized in that the mounting slot (43) is provided with a rocker (49) rotatably mounted on the inner wall below the insertion rod (47), a barrier strip (411) is fixed on the outer wall of the middle part of the top end of the warped plate (49), the outer walls of the warped plate (49) at the two sides of the barrier strip (411) are respectively fixed with a stop block (410), and the clamping head (48) is clamped into a groove formed by the stop block (410) and the stop strip (411), a through hole (412) is arranged on the inner wall of the bottom end of the mounting groove (43) corresponding to the through groove (42), the through hole (412) is communicated with the through groove (42), a squeezing block (414) is fixed on the outer wall of the bottom end of the warping plate (49) corresponding to the through hole (412), the outer wall of the straight plate (3) is fixed with an anti-slip strip (413) corresponding to the extrusion block (414), and the extrusion block (414) passes through the through hole (412) and is jointed with the antislip strip (413).

3. The plotter for mathematical education as claimed in claim 2, wherein the fixing component (5) comprises a second sleeve (51), a rubber block (52), a first arc-shaped clamping plate (53), a threaded hole (54), a screw (55), a second arc-shaped clamping plate (56) and chalk (57), the second sleeve (51) is fixed on one side of the moving block (41), the rubber block (52) is fixed on the inner wall of the second sleeve (51), the first arc-shaped clamping plate (53) is fixed on one side of the rubber block (52), the threaded hole (54) is formed on the outer wall of one side of the second sleeve (51) in a penetrating way, the screw (55) is screwed on the inner part of the threaded hole (54), a rotating wheel is fixed on one end of the screw (55), the second arc-shaped clamping plate (56) is fixed on one end of the screw (55) positioned in the second sleeve (51), and chalk (57) is clamped and fixed on the outer wall between the second arc-shaped clamping plate (56) and the first arc-shaped clamping plate (53).

4. A plotter for mathematical education as claimed in claim 3 wherein the second sleeve (51) has a guide hole through its outer wall below the screw hole (54), and the second arc-shaped clamping plate (56) has a guide rod fixed on its outer wall corresponding to the guide hole and passing through the guide hole.

5. A plotter for mathematical education as claimed in claim 1, characterized in that the top external wall of the disc (1) is provided with angle marks (7), on one side of the straight plate (3) is fixed a pointer (6), and on the external wall of the straight plate (3) is provided with length marks (8).

6. A plotter for mathematical education as claimed in claim 1, characterized in that the disc (1) is fixed with a first suction cup (9) on the outer wall of the bottom end, the straight plate (3) is rotatably mounted with a crank (10) on the outer wall of the top end on the other side, and the straight plate (3) is mounted with a second suction cup (11) on the outer wall of the bottom end on the other side.

7. The plotter for mathematical education as set forth in claim 1, wherein the bottom outer wall of the straight plate (3) is opened with a second sliding groove (14), the bottom inner wall of the through groove (42) is fixed with a second slider (15) corresponding to the second sliding groove (14), and the inner wall of the second sliding groove (14) is attached to the outer wall of the second slider (15).

8. The plotter for mathematical education as set forth in claim 1, wherein the first sleeve (45) has two first sliding grooves (12) formed on an inner wall thereof, the first sliding block (13) is fixed on an outer wall of the insertion rod (47) corresponding to the first sliding grooves (12), and the outer wall of the first sliding block (13) is attached to the inner wall of the first sliding grooves (12).

9. A plotter for mathematical education as claimed in claim 1, characterized in that the first spring (16) is fixed to the inner wall of the mounting groove (43) on the side of the through hole (412), and the other end of the first spring (16) is fixed to the outer wall of the seesaw (49).

Background

The mathematics picture is the necessary skill of the mathematics teacher, the application of the mathematics geometry is very important for the students; the standard figure is not only pleasing to the eye but also is favorable to solving the problem, the teacher of being convenient for imparts knowledge to students, current plotter single structure, during the use, mr one hand is holding the ruler the other hand is holding the chalk, draw, one hand, the fixed ruler that can not be stable, it is very unstable when drawing, also influence the pleasing to the eye of pasting and scribbling, draw like this for a long time, relatively waste time and energy, mr's intensity of labour has been increased, reduce the efficiency of giving lessons, the practicality is lower, therefore, it is very necessary to design a plotter for mathematical education.

Disclosure of Invention

The invention aims to provide a plotter for mathematical education, which is characterized in that a moving assembly is arranged, a moving block can be moved freely on a straight plate and also can be fixed at any position of the straight plate, a circle with any radius can be drawn, bar equipment can be fixed on a blackboard through a first sucking disc and a second sucking disc, when a straight line is drawn, the moving block is moved and drives chalk to move, drawing is carried out, the drawing is stable, the drawing is attractive, the teaching efficiency of teachers is improved, the burden of drawing of teachers can be effectively reduced, and the drawing intensity of the teachers is reduced.

The purpose of the invention can be realized by the following technical scheme:

a plotter for mathematical education comprises a disc, a rotating shaft, a straight plate, a moving assembly and a fixing assembly, wherein the rotating shaft is installed in the center of the outer wall of the top end of the disc;

the movable assembly comprises a movable block, a through groove, a mounting groove, a pressing block, a first sleeve, a second spring, an inserting rod, a clamping head, a warping plate, a stop block, a blocking strip, a through hole, an anti-slip strip and an extrusion block, wherein the movable block is mounted on the outer wall of the straight plate, the through groove is formed in the outer wall of the movable block in a penetrating mode corresponding to the straight plate, the straight plate penetrates through the through groove, the mounting groove is formed in the outer wall of the top end of the movable block, the pressing block is rotatably mounted between the inner walls of the two sides of the mounting groove, the first sleeve is fixed to the outer wall of the bottom end of the pressing block in the middle, the inserting rod is inserted into the first sleeve, the second spring is fixed to one end of the inserting rod, the other end of the second spring is fixed to the inner wall of the first sleeve, and the clamping head is fixed to the other end of the inserting rod.

As a further scheme of the invention: the mounting groove is located and rotates on the inner wall of inserted bar below and installs the wane, be fixed with the blend stop on the top middle part outer wall of wane, the wane all is fixed with the dog on being located the outer wall of blend stop both sides, and the dop card advances in the recess that dog and blend stop formed, it has link up to lead to the groove to correspond on the bottom inner wall of mounting groove and has seted up the through-hole, and through-hole and lead to the groove intercommunication, it is fixed with the extrusion piece to correspond the through-hole on the bottom outer wall of wane, it is fixed with the antislip strip to correspond the extrusion piece on the outer wall of straight board, and the extrusion piece passes through-hole and the laminating of antislip strip.

As a further scheme of the invention: the fixing assembly comprises a second sleeve, a rubber block, a first arc-shaped clamping plate, a threaded hole, a screw rod, a second arc-shaped clamping plate and chalk, the second sleeve is fixed on one side of the moving block, the rubber block is fixed on the inner wall of the second sleeve, the first arc-shaped clamping plate is fixed on one side of the rubber block, the threaded hole is formed in the outer wall of one side of the second sleeve in a penetrating mode, the screw rod is screwed in the threaded hole, a rotating wheel is fixed to one end of the screw rod, the second arc-shaped clamping plate is fixed to one end, located in the second sleeve, of the screw rod, and the chalk is fixed to the outer wall between the second arc-shaped clamping plate and the first arc-shaped clamping plate in a clamping mode.

As a further scheme of the invention: the outer wall of the second sleeve below the threaded hole is provided with a guide hole in a through mode, a guide rod is fixed on the outer wall of the second arc-shaped clamping plate corresponding to the guide hole, and the guide rod penetrates through the guide hole.

As a further scheme of the invention: the angle scale is arranged on the outer wall of the top end of the disc, a pointer is fixed on one side of the straight plate, and a length scale is arranged on the outer wall of the straight plate.

As a further scheme of the invention: the disc type vacuum cleaner is characterized in that a first sucker is fixed on the outer wall of the bottom end of the disc, a crank is rotatably mounted on the outer wall of the top end of the other side of the straight plate, and a second sucker is mounted on the outer wall of the bottom end of the other side of the straight plate.

As a further scheme of the invention: the bottom outer wall of the straight plate is provided with a second sliding groove, a second sliding block is fixed on the bottom inner wall of the through groove corresponding to the second sliding groove, and the inner wall of the second sliding groove is attached to the outer wall of the second sliding block.

As a further scheme of the invention: two first sliding grooves are formed in the inner wall of the first sleeve, first sliding blocks are fixed on the outer wall of the insertion rod corresponding to the first sliding grooves, and the outer wall of each first sliding block is attached to the inner wall of each first sliding groove.

As a further scheme of the invention: the mounting groove is fixed with first spring on being located the inner wall of through-hole one side, and the other end of first spring is fixed in the outer wall of wane.

The invention has the beneficial effects that: the movable block can move freely on the straight plate and can be fixed at any position of the straight plate, chalk can be matched, circles with any radius can be drawn, the operation is simple, the movable block can be fixed on the blackboard through the arranged first sucking disc and the arranged second sucking disc, when straight lines are drawn, the movable block is moved and drives the chalk to move, drawing is carried out, and when drawing is carried out, the drawing is stable, the drawing is attractive, teaching efficiency of teachers is improved, the chalk is convenient to mount and fix, the movable block is perfect and convenient to use, drawing on the blackboard is convenient, burden of the teachers in drawing can be effectively reduced, drawing strength of the teachers is reduced, time and labor are saved, and the movable block is worthy of being widely popularized and applied.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall front perspective structure of the present invention;

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

FIG. 3 is a front cut-away schematic view of the moving assembly of the present invention;

FIG. 4 is a side sectional schematic view of the securing assembly of the present invention;

FIG. 5 is an enlarged view of area A of FIG. 3 according to the present invention;

in the figure: 1. a disc; 2. a rotating shaft; 3. a straight plate; 4. a moving assembly; 5. a fixing assembly; 6. a pointer; 7. an angle scale; 8. a length scale; 9. a first suction cup; 10. a crank; 11. a second suction cup; 12. a first chute; 13. a first slider; 14. a second chute; 15. a second slider; 16. a first spring; 41. a moving block; 42. a through groove; 43. mounting grooves; 44. a pressing block; 45. a first sleeve; 46. a second spring; 47. a plug rod; 48. clamping a head; 49. a seesaw; 410. a stopper; 411. blocking strips; 412. a through hole; 413. anti-slip strips; 414. extruding the block; 51. a second sleeve; 52. a rubber block; 53. a first arc splint; 54. a threaded hole; 55. a screw; 56. a second arc-shaped splint; 57. and (4) chalk.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-5, a plotter for mathematical education comprises a disc 1, a rotating shaft 2, a straight plate 3, a moving component 4 and a fixing component 5, wherein the rotating shaft 2 is installed at the center of the outer wall of the top end of the disc 1, the straight plate 3 is rotatably installed on the outer wall of the rotating shaft 2, the moving component 4 is arranged on the outer wall of the straight plate 3, and the fixing component 5 is arranged on the outer wall of the moving component 4; the outer wall of the bottom end of the straight plate 3 is provided with a second sliding groove 14, the inner wall of the bottom end of the through groove 42 is fixed with a second sliding block 15 corresponding to the second sliding groove 14, and the inner wall of the second sliding groove 14 is attached to the outer wall of the second sliding block 15, so that the moving block 41 moves more stably, and the moving block 41 can be limited, more perfect and more used; an angle mark 7 is arranged on the outer wall of the top end of the disc 1, a pointer 6 is fixed on one side of the straight plate 3, and a length mark 8 is arranged on the outer wall of the straight plate 3, so that the rotating angle of the straight plate 3 or the moving length of the moving block 41 can be conveniently observed, and the observation is relatively perfect; a first sucking disc 9 is fixed on the outer wall of the bottom end of the disc 1, a crank 10 is rotatably installed on the outer wall of the top end of the other side of the straight plate 3, and a second sucking disc 11 is installed on the outer wall of the bottom end of the other side of the straight plate 3, so that the disc 1 and the straight plate 3 can be conveniently fixed on a blackboard, a teacher is saved to hold the disc with hands, and labor is saved;

the moving component 4 comprises a moving block 41, a through groove 42, a mounting groove 43, a pressing block 44, a first sleeve 45, a second spring 46, a plug rod 47, a clamping head 48, a warping plate 49, a stop block 410, a blocking strip 411, a through hole 412, an anti-slip strip 413 and a squeezing block 414, wherein the moving block 41 is mounted on the outer wall of the straight plate 3, the through groove 42 is formed on the outer wall of the moving block 41 corresponding to the straight plate 3, the straight plate 3 penetrates through the through groove 42, the mounting groove 43 is formed on the outer wall of the top end of the moving block 41, the pressing block 44 is rotatably mounted between the inner walls of two sides of the mounting groove 43, the first sleeve 45 is fixed on the middle part of the outer wall of the bottom end of the pressing block 44, the plug rod 47 is plugged in the first sleeve 45, the second spring 46 is fixed on one end of the plug rod 47 in the first sleeve 45, the other end of the second spring 46 is fixed on the inner wall of the first sleeve 45, and the clamping head 48 is fixed on the other end of the plug rod 47, the pressing block 44 is manually controlled, so that the chuck 48 on the plug rod 47 is controlled to press the left side or the right side of the warping plate 49, and the operation is practical and perfect; a warped plate 49 is rotatably mounted on the inner wall of the mounting groove 43 below the insertion rod 47, a barrier 411 is fixed on the outer wall of the middle part of the top end of the warped plate 49, stoppers 410 are fixed on the outer walls of the warped plate 49 on two sides of the barrier 411, and the stoppers 48 are clamped into grooves formed by the stoppers 410 and the barrier 411, so that the stoppers 48 on the insertion rod 47 are limited and fixed, a through hole 412 is formed in the inner wall of the bottom end of the mounting groove 43 and communicated with the through groove 42 correspondingly to the through groove 42, a squeezing block 414 is fixed on the outer wall of the bottom end of the warped plate 49 and communicated with the through hole 412 correspondingly to the through hole 412, a non-slip strip 413 is fixed on the outer wall of the straight plate 3 and corresponds to the squeezing block 414, and the squeezing block 414 on the warped plate 49 is jointed with the non-slip strip 413 so as to limit and fix the moving block 41 by squeezing the non-slip strip 413, which is more perfect and practical; the inner wall of the mounting groove 43 on one side of the through hole 412 is fixed with the first spring 16, and the other end of the first spring 16 is fixed on the outer wall of the seesaw 49, so that the limiting and fixing effects of the moving block 41 are improved, and the mounting groove is relatively used; two first sliding grooves 12 are formed in the inner wall of the first sleeve 45, first sliding blocks 13 are fixed on the outer wall of the insertion rod 47 corresponding to the first sliding grooves 12, and the outer wall of each first sliding block 13 is attached to the inner wall of each first sliding groove 12, so that the insertion rod 47 moves stably;

the fixing component 5 comprises a second sleeve 51, a rubber block 52, a first arc-shaped clamping plate 53, a threaded hole 54, a screw 55, a second arc-shaped clamping plate 56 and chalk 57, the second sleeve 51 is fixed on one side of the moving block 41, the rubber block 52 is fixed on the inner wall of the second sleeve 51, the buffering effect is started, so that the chalk 57 can be stably fixed, the chalk 57 can be effectively prevented from being clamped and broken, the first arc-shaped clamping plate 53 is fixed on one side of the rubber block 52, the threaded hole 54 is formed in the outer wall of one side of the second sleeve 51 in a penetrating mode, the screw 55 is screwed in the threaded hole 54, a rotating wheel is fixed at one end of the screw 55, a second arc-shaped clamping plate 56 is fixed at one end of the screw 55 positioned in the second sleeve 51, and chalk 57 is clamped and fixed on the outer wall between the second arc-shaped clamping plate 56 and the first arc-shaped clamping plate 53; the outer wall of the second sleeve 51 below the threaded hole 54 is provided with a guide hole, a guide rod is fixed on the outer wall of the second arc-shaped clamp plate 56 corresponding to the guide hole, and the guide rod passes through the guide hole, so that the second arc-shaped clamp plate 56 moves more stably and is clamped more firmly.

The working principle of the invention is as follows: when the device is used, chalk 57 is inserted between the first arc-shaped clamping plate 53 and the second arc-shaped clamping plate 56, the threaded hole 54 is manually screwed, the second arc-shaped clamping plate 56 is driven to extrude the chalk 57 through the matching of the threaded hole 54 and the screw 55, the chalk 57 is clamped and fixed, the rubber block 52 has a buffering effect on the chalk 57 during clamping, the chalk 57 is prevented from being clamped and broken, the device is fixed on a blackboard through the first sucking disc 9, the straight plate 3 is rotated, the pointing direction of the pointer 6 on the angle mark 7 is watched, the angle of the straight plate 3 is adjusted, the other end of the straight plate 3 is fixed on the blackboard through the second sucking disc 11, then the moving block 41 is moved, the moving block 41 drives the chalk 57 to move, straight lines with different angles can be drawn on the blackboard, when pressing circles with different radiuses are drawn, the moving block 41 moves to a proper distance, the pressing block 44 is manually pressed, the pressing block 44 drives the first sleeve 45 to incline towards the side of the extruding block 414, through second spring 46, peg 47 and dop 48's cooperation, make dop 48 block advance in the recess that forms between dog 410 and the blend stop 411, extrude the one end of wane 49, wane 49 one end drives the extrusion piece 414 and extrudes antislip strip 413 again, carries out spacing fixed to movable block 41, makes second sucking disc 11 and blackboard break away from at last, drives straight board 3 through crank 10 and rotates around pivot 2, and straight board 3 drives chalk 57 and rotates, draws the circle.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.