CN212353390U

CN212353390U - Mathematics teaching is with supplementary drawing ware

Info

Publication number: CN212353390U
Application number: CN202020481803.4U
Authority: CN
Inventors: 蒋鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-06
Filing date: 2020-04-06
Publication date: 2021-01-15
Anticipated expiration: 2030-04-06

Abstract

The utility model discloses a mathematics teaching is with supplementary drawing ware, including mainboard, subplate and clipboard, the inside of mainboard is pegged graft and is had the subplate, the bottom set screw hole of subplate, the inside threaded connection of screw hole has the threaded rod, the surperficial swing joint of threaded rod has first gear, one side meshing of first gear has the second gear, the middle part swing joint of second gear has the transfer line, the middle part swing joint of transfer line has the third gear, the bottom meshing of third gear has the fourth gear. This supplementary drawing ware is used in mathematical education through the setting of threaded rod, transfer line and bull stick, rotates the hand pole during the use, and then makes the bull stick drive fourth gear revolve, makes then the second gear drive first gear make the threaded rod rotate to reached the effect that goes up and down the subplate, through the setting of subplate, when the area of writing of mainboard is not enough, raise the subplate, thereby increased and write the area.

Description

Mathematics teaching is with supplementary drawing ware

Technical Field

The utility model relates to a teaching equipment technical field specifically is a mathematics teaching is with supplementary drawing ware.

Background

In the mathematical discipline, there are many categories such as algebra and geometry, and the teacher needs to understand and apply various definitions of geometry and solve problems through drawing of figures in the teaching and learning process of the students.

Most of the existing auxiliary drawing devices have single function, and various different figures need different drawing devices, so that the use is very inconvenient, and great inconvenience is brought to teaching work, therefore, the utility model provides an auxiliary drawing device for mathematical education.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a mathematics teaching is with supplementary drawing ware has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a mathematics teaching is with supplementary drawing ware, includes mainboard, subplate and clipboard, the inside of mainboard is pegged graft there is the subplate, threaded hole is seted up to the bottom of subplate, the inside threaded connection of screw hole has the threaded rod, the surperficial swing joint of threaded rod has first gear, one side meshing of first gear has the second gear, the middle part swing joint of second gear has the transfer line, the middle part swing joint of transfer line has the third gear, the bottom meshing of third gear has the fourth gear, the bottom swing joint of fourth gear has the bull stick, the positive fixedly connected with clipboard of mainboard, one side fixedly connected with geometry grid board of clipboard, the surperficial magnetism of clipboard is inhaled and is connected with the drawing circle device, one side magnetism of mainboard is inhaled and is connected with the drawing rule.

Optionally, one end of the rotating rod is movably connected with a hand-operated rod.

Optionally, both sides of the bottom of the main board are fixedly connected with foot rests.

Optionally, the circle drawing device includes magnet, mobile jib and auxiliary rod, the surface of magnet has the connecting block through pivot swing joint, the positive fixedly connected with of connecting block changes the handle, one side fixedly connected with mobile jib of connecting block, the one end of mobile jib is pegged graft and is had the auxiliary rod, the one end fixedly connected with card pen of auxiliary rod is detained, the surperficial threaded connection of mobile jib has fixing bolt.

Optionally, the surface of the drawing rule is provided with a geometric figure groove, and the edge of the drawing rule is provided with a scale.

Optionally, the two sides of the auxiliary plate are both provided with sliding grooves.

(III) advantageous effects

The utility model provides a mathematics teaching is with supplementary drawing ware possesses following beneficial effect:

1. this supplementary drawing ware is used in mathematical education through the setting of threaded rod, transfer line and bull stick, rotates the hand pole during the use, and then makes the bull stick drive fourth gear revolve, makes then the second gear drive first gear make the threaded rod rotate to reached the effect that goes up and down the subplate, through the setting of subplate, when the area of writing of mainboard is not enough, raise the subplate, thereby increased and write the area.

2. This mathematics teaching is with supplementary drawing ware, through the setting of geometry check board, made things convenient for the teacher to operate, through the setting of drawing rule, also made things convenient for the teacher to paint geometric figure when making things convenient for the measurement, through the setting of drawing circle device, take the auxiliary rod out to suitable length during the use, rotatory fixing bolt is fixed, again with the writing pen card in the joint pen is detained, rotate and change the handle, thereby made things convenient for the teacher to draw out the suitable circular of size, through the setting of foot rest, played the effect that supports the mainboard.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic diagram of the sectional structure of the main board of the present invention;

fig. 3 is an enlarged schematic view of a position a in the first drawing of the present invention.

In the figure: 1. a main board; 2. a sub-board; 3. a writing board; 4. a threaded hole; 5. a threaded rod; 6. a first gear; 7. a second gear; 8. a transmission rod; 9. a third gear; 10. a fourth gear; 11. a rotating rod; 12. a geometric grid plate; 13. a circle drawing device; 1301. a magnet; 1302. a main rod; 1303. an auxiliary rod; 1304. connecting blocks; 1305. turning a handle; 1306. a pen clip; 14. a drawing rule; 15. a hand lever; 16. a foot rest; 17. a geometric figure groove; 18. a chute.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: an auxiliary drawing device for mathematical education comprises a main board 1, an auxiliary board 2 and a writing board 3, wherein the auxiliary board 2 is inserted into the main board 1, a threaded hole 4 is formed in the bottom of the auxiliary board 2, through the arrangement of the auxiliary board 2, when the writing area of the main board 1 is insufficient, the auxiliary board 2 is lifted, so that the writing area is increased, the internal thread of the threaded hole 4 is connected with a threaded rod 5, the surface of the threaded rod 5 is movably connected with a first gear 6, one side of the first gear 6 is meshed with a second gear 7, and the middle part of the second gear 7 is movably connected with a transmission rod 8;

through the arrangement of the threaded rod 5, the transmission rod 8 and the rotating rod 11, the hand-operated rod 15 is rotated when the lifting device is used, so that the rotating rod 11 drives the fourth gear 10 to rotate, and then the second gear 7 drives the first gear 6 to rotate the threaded rod 5, thereby achieving the effect of lifting the auxiliary plate 2;

the middle part of the transmission rod 8 is movably connected with a third gear 9, the bottom of the third gear 9 is meshed with a fourth gear 10, the bottom of the fourth gear 10 is movably connected with a rotating rod 11, the front surface of the main board 1 is fixedly connected with a writing board 3, one side of the writing board 3 is fixedly connected with a geometric grid board 12, the operation of a teacher is facilitated by arranging the geometric grid board 12, the measurement is facilitated and the geometric figure of the teacher is drawn by arranging a drawing ruler 14, the surface magnetic attraction of the writing board 3 is connected with a circle drawing device 13, one side of the main board 1 is magnetically connected with the drawing ruler 14, one end of the rotating rod 11 is movably connected with a hand-operated rod 15, both sides of the bottom of the main board 1 are fixedly connected with foot rests 16, the function of supporting the main board 1 is achieved by arranging the foot rests 16, the circle drawing device 13 comprises a magnet 1301, a main rod 1302 and an auxiliary rod 1303, the surface of the magnet 1301, a rotating handle 1305 is fixedly connected to the front surface of the connecting block 1304, a main rod 1302 is fixedly connected to one side of the connecting block 1304, an auxiliary rod 1303 is inserted into one end of the main rod 1302, and a pen clamping buckle 1306 is fixedly connected to one end of the auxiliary rod 1303;

through the arrangement of the circle drawing device 13, when the circle drawing device is used, the auxiliary rod 1303 is pulled out to a proper length, the fixing bolt is rotated for fixing, the writing pen is clamped in the pen clamping buckle 1306, and the rotating handle 1305 is rotated, so that a teacher can draw a circle with a proper size conveniently;

the surperficial threaded connection of mobile jib 1302 has fixing bolt, and geometric figure groove 17 has been seted up on drawing rule 14's surface, and the graduation apparatus has been seted up at drawing rule 14's edge, and spout 18 has all been seted up to the both sides of subplate 2.

As an optimal technical solution of the utility model: the positive top valley bottom of subplate 2 is connected with the stopper, has prevented that subplate 2 descending distance from crossing excessively.

In conclusion, the auxiliary drawing instrument for mathematical education is used, the hand lever 15 is rotated during use through the arrangement of the threaded rod 5, the transmission rod 8 and the rotating rod 11, the rotating rod 11 drives the fourth gear 10 to rotate, the second gear 7 drives the first gear 6 to rotate the threaded rod 5, the effect of lifting the auxiliary plate 2 is achieved, when the writing area of the main plate 1 is insufficient, the auxiliary plate 2 is lifted through the arrangement of the auxiliary plate 2, the writing area is increased, the operation of a teacher is facilitated through the arrangement of the geometric grid plate 12, the teacher can draw geometric figures conveniently while measuring conveniently through the arrangement of the drawing ruler 14, the auxiliary rod is drawn out to a proper length during use through the arrangement of the circle drawing device 13, the fixing bolt is rotated to fix, the writing pen is clamped in the clamping pen button 1306, the rotating handle 1305 is rotated, and the teacher can draw a circle with a proper size conveniently, the foot rest 16 is arranged to support the main board 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mathematics teaching is with supplementary drawing ware, includes mainboard (1), subplate (2) and clipboard (3), its characterized in that: the writing board comprises a main board (1), an auxiliary board (2) is inserted into the main board (1), a threaded hole (4) is formed in the bottom of the auxiliary board (2), a threaded rod (5) is connected to an internal thread of the threaded hole (4), a first gear (6) is movably connected to the surface of the threaded rod (5), a second gear (7) is meshed to one side of the first gear (6), a transmission rod (8) is movably connected to the middle of the second gear (7), a third gear (9) is movably connected to the middle of the transmission rod (8), a fourth gear (10) is meshed to the bottom of the third gear (9), a rotating rod (11) is movably connected to the bottom of the fourth gear (10), a writing board (3) is fixedly connected to the front of the main board (1), a geometric grid plate (12) is fixedly connected to one side of the writing board (3), and a circle drawing device (13) is magnetically connected to the surface of the writing board (, one side of the main board (1) is magnetically attracted and connected with a drawing rule (14).

2. An auxiliary plotter for mathematical education as set forth in claim 1, characterized in that: one end of the rotating rod (11) is movably connected with a hand-operated rod (15).

3. An auxiliary plotter for mathematical education as set forth in claim 1, characterized in that: and foot rests (16) are fixedly connected to the two sides of the bottom of the main board (1).

4. An auxiliary plotter for mathematical education as set forth in claim 1, characterized in that: circle drawing device (13) include magnet (1301), mobile jib (1302) and auxiliary rod (1303), the surface of magnet (1301) has connecting block (1304) through pivot swing joint, the positive fixedly connected with of connecting block (1304) changes handle (1305), one side fixedly connected with mobile jib (1302) of connecting block (1304), the one end of mobile jib (1302) is pegged graft and is had auxiliary rod (1303), the one end fixedly connected with trip knot (1306) of auxiliary rod (1303), the surperficial threaded connection of mobile jib (1302) has fixing bolt.

5. An auxiliary plotter for mathematical education as set forth in claim 1, characterized in that: the surface of the drawing ruler (14) is provided with a geometric figure groove (17), and the edge of the drawing ruler (14) is provided with a scale.

6. An auxiliary plotter for mathematical education as set forth in claim 1, characterized in that: the two sides of the auxiliary plate (2) are both provided with sliding grooves (18).