CN209813545U

CN209813545U - Plane coordinate arc line plotter for mathematical education

Info

Publication number: CN209813545U
Application number: CN201920376107.4U
Authority: CN
Inventors: 李海红; 何端淼
Original assignee: Shaoyang Polytechnic
Current assignee: Shaoyang Polytechnic
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2019-12-20
Anticipated expiration: 2029-03-25

Abstract

The utility model discloses a plane coordinate pitch arc plotter for mathematical education, including fixed plate, handle, stopper and second scale mark, the inside of fixed plate is run through there is the regulation pole, the handle sets up the top at the regulation pole, telescopic outside winding has the haulage rope, the stopper is fixed in the one end of fixed plate, and the other end of fixed plate installs the connecting cylinder, the bottom of connecting cylinder is connected with the movable rod, the backup pad is installed to telescopic bottom, the lower pot head of adjusting the pole is equipped with the cover block, and the inboard of cover block is pasted and is had the non slipping spur, the ruler is installed to the avris of cover block, the second scale mark sets up in the edge of ruler, and the up end of ruler has been seted up and has been put the thing hole. This plane coordinate pitch arc plotter for mathematical education can be according to the quick drawing pitch arc of radius of difference, need not with the help of other appurtenance to can realize the drawing of multiple different figures through same kind of instrument, increase the diversification of plotter function.

Description

Plane coordinate arc line plotter for mathematical education

Technical Field

The utility model relates to a mathematical education technical field specifically is a plane coordinate pitch arc plotter for mathematical education.

Background

Mathematics is a subject of the concepts such as study quantity, structure, change, space and information, need use various different instruments at the teaching in-process of mathematics, draws different figures, and then increases the vividness of teaching, current pitch arc plotter however:

1. different arcs are mostly drawn through compasses, the arcs cannot be drawn quickly according to different radiuses, and other auxiliary tools are needed;

2. and the functional of plotter is comparatively single, can't realize the drawing of multiple different figures through same kind of instrument, causes the practicality relatively poor.

In order to solve the problems, innovative design is urgently needed on the basis of the original arc line plotter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plane coordinate pitch arc plotter for mathematical education to solve above-mentioned background art and propose the pitch arc of drawing that can't be quick according to the radius of difference, need be with the help of other appurtenance, and the functional of plotter is comparatively single, can't realize the problem of the drawing of multiple different figures through same kind of instrument.

In order to achieve the above object, the utility model provides a following technical scheme: a plane coordinate arc plotter for mathematical education comprises a fixed plate, a handle, a limiting block and a second scale mark, wherein an adjusting rod penetrates through the fixed plate, a sucker is arranged at the bottom of the adjusting rod, the handle is arranged at the top of the adjusting rod, a sleeve is sleeved outside the adjusting rod, a traction rope is wound outside the sleeve, a first scale mark is arranged on the traction rope, a lantern ring is connected to the end of the traction rope, the limiting block is fixed at one end of the fixed plate, a connecting cylinder is arranged at the other end of the fixed plate, a movable rod is connected to the bottom of the connecting cylinder, an anti-slip strip is arranged on the side face of the movable rod, a supporting plate is arranged at the bottom of the sleeve, a first limiting hole is reserved at the edge of the supporting plate, a sleeve block is sleeved at the lower end of the adjusting rod, an anti-slip block is pasted on the inner side of the, and a second limiting hole is reserved at the end of the ruler, the second scale marks are arranged at the edge of the ruler, and an object placing hole is formed in the upper end face of the ruler.

Preferably, the adjusting rod penetrates through the fixing plate, the sleeve, the supporting plate and the sleeve block, and the adjusting rod is in threaded connection with the fixing plate and the sleeve block.

Preferably, the sleeve and the fixing plate form a rotating structure, and the sleeve and the supporting plate are welded.

Preferably, the connecting cylinder and the movable rod form a telescopic structure, and the movable rod and the anti-slip strip are thermally bonded.

Preferably, the first limiting holes are distributed in the supporting plate at equal angles, and the supporting plate is of a circular structure.

Preferably, the object placing holes are distributed on the ruler at equal intervals, and the ruler forms a rotating structure through the sleeve block and the adjusting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the plane coordinate arc line plotter for mathematical education can rapidly draw arc lines according to different radiuses without other auxiliary tools, can realize the drawing of various different graphs by the same tool, and increases the diversification of functions of the plotter;

1. by arranging the sleeve, the traction rope, the first scale marks and the lantern ring, arcs with different radiuses can be drawn directly through the first scale marks on the traction rope, and the rotation of the sleeve and the support plate is limited by the arrangement of the connecting cylinder, the movable rod and the anti-slip strip;

2. through setting up cover block, non slipping spur, ruler and putting the thing hole, can directly draw out the circular of different radiuses through the ruler to the movable rod also has the restriction effect to the rotation of ruler, and the distribution of the inboard equal angle of cover block simultaneously has the non slipping spur, can prevent that the ruler from rocking at will in the use.

Drawings

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

FIG. 2 is a schematic view of the bottom structure of the supporting plate of the present invention;

fig. 3 is a schematic view of the structure of the straight ruler of the present invention.

In the figure: 1. a fixing plate; 2. adjusting a rod; 3. a suction cup; 4. a handle; 5. a sleeve; 6. a hauling rope; 7. a first scale mark; 8. a collar; 9. a limiting block; 10. a connecting cylinder; 11. a movable rod; 12. anti-slip strips; 13. a support plate; 14. a first limit hole; 15. sleeving blocks; 16. anti-skid blocks; 17. a straightedge; 18. a second limiting hole; 19. a second scale mark; 20. and (4) placing the object.

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 plane coordinate arc curve plotter for mathematical education comprises a fixing plate 1, an adjusting rod 2, a sucker 3, a handle 4, a sleeve 5, a traction rope 6, a first scale mark 7, a lantern ring 8, a limiting block 9, a connecting cylinder 10, a movable rod 11, an anti-slip strip 12, a supporting plate 13, a first limiting hole 14, a sleeve block 15, an anti-slip block 16, a ruler 17, a second limiting hole 18, a second scale mark 19 and a storage hole 20, wherein the adjusting rod 2 penetrates through the inside of the fixing plate 1, the sucker 3 is installed at the bottom of the adjusting rod 2, the handle 4 is arranged at the top of the adjusting rod 2, the sleeve 5 is sleeved on the outer side of the adjusting rod 2, the traction rope 6 is wound on the outer side of the sleeve 5, the first scale mark 7 is arranged on the traction rope 6, the lantern ring 8 is connected to the end of the traction rope 6, the limiting block 9 is fixed at one end of the fixing plate 1, the bottom of the connecting cylinder 10 is connected with a movable rod 11, an anti-slip strip 12 is arranged on the side face of the movable rod 11, a supporting plate 13 is installed at the bottom of the sleeve 5, a first limiting hole 14 is reserved at the edge of the supporting plate 13, a sleeve block 15 is sleeved at the lower end of the adjusting rod 2, an anti-slip block 16 is pasted on the inner side of the sleeve block 15, a straight ruler 17 is installed on the side of the sleeve block 15, a second limiting hole 18 is reserved at the end of the straight ruler 17, a second scale mark 19 is arranged at the edge of the straight ruler 17, and a storage hole 20 is formed in the upper end face of the straight ruler 17;

the adjusting rod 2 penetrates through the fixing plate 1, the sleeve 5, the supporting plate 13 and the sleeve block 15, the adjusting rod 2 is in threaded connection with the fixing plate 1 and the sleeve 5, the adjusting rod 2 is rotated through the handle 4, the position of the sleeve 5 on the adjusting rod 2 is changed, and operation of a user is facilitated;

the sleeve 5 and the fixing plate 1 form a rotating structure, the sleeve 5 and the supporting plate 13 are welded, the sleeve 5 and the supporting plate 13 can be driven to rotate through the traction rope 6, the length of the traction rope 6 is further changed, and arc lines with different radiuses are drawn;

the connecting cylinder 10 and the movable rod 11 form a telescopic structure, the movable rod 11 and the anti-slip strip 12 are in thermal adhesion, the first limiting holes 14 are distributed at equal angles in the supporting plate 13, the supporting plate 13 is in a circular structure, the movable rod 11 is clamped into the first limiting holes 14 in the supporting plate 13 by stretching the movable rod 11, the rotation of the sleeve 5 and the supporting plate 13 is further limited, and the movable rod 11 can be stretched to any length by arranging the anti-slip strip 12;

put thing hole 20 equidistant distribution on ruler 17, and ruler 17 passes through the collets 15 and adjusts pole 2 constitution revolution mechanic, puts into the chalk different put thing hole 20 in, can drive ruler 17 through collets 15 and rotate on adjusting pole 2 through the chalk, and then draw out different radial circular, increased the diversification of device function.

The working principle is as follows: when the plane coordinate arc curve plotter for mathematical education is used, according to the figures 1-3, firstly, the adjusting rod 2 is rotated through the handle 4, the position of the sleeve 5 on the adjusting rod 2 is changed, then the device is sucked on a blackboard through the sucking disc 3, chalk is placed in the lantern ring 8, the traction rope 6 is pulled according to the first scale mark 7, the sleeve 5 and the supporting plate 13 are driven to rotate through the traction rope 6, the length of the traction rope 6 is further changed, so that arc curves with different radiuses are drawn, then the movable rod 11 is clamped into the first limiting hole 14 on the supporting plate 13 through stretching, so that the rotation of the sleeve 5 and the supporting plate 13 is limited, and the movable rod 11 can stretch to any length due to the fact that the anti-slip strip 12 is arranged on the outer side of the movable rod 11;

then put into the chalk and put into thing hole 20 to drive ruler 17 through the chalk and rotate on adjusting pole 2 through collets 15, can draw different radial circular, the diversification of device function has been increased, be provided with second scale mark 19 on ruler 17, consequently can directly draw the straight line, because collets 15 inboard wait the angle be provided with non slipping spur 16, consequently ruler 17 rocks at will when can avoiding drawing, simultaneously the movable rod 11 also can extend to in the spacing hole 18 of second, restrict the rotation of ruler 17.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a plane coordinate pitch arc plotter for mathematical education, includes fixed plate (1), handle (4), stopper (9) and second scale mark (19), its characterized in that: the novel multifunctional adjustable electric bicycle is characterized in that an adjusting rod (2) penetrates through the inside of a fixing plate (1), a sucker (3) is installed at the bottom of the adjusting rod (2), a handle (4) is arranged at the top of the adjusting rod (2), a sleeve (5) is sleeved on the outer side of the adjusting rod (2), a traction rope (6) is wound on the outer side of the sleeve (5), a first scale mark (7) is arranged on the traction rope (6), a lantern ring (8) is connected to the end of the traction rope (6), a limiting block (9) is fixed at one end of the fixing plate (1), a connecting cylinder (10) is installed at the other end of the fixing plate (1), a movable rod (11) is connected to the bottom of the connecting cylinder (10), an anti-slip strip (12) is arranged on the side face of the movable rod (11), a supporting plate (13) is installed at the bottom of the sleeve (5), and a first limiting hole, the lower pot head of adjusting pole (2) is equipped with collets (15), and the inboard of collets (15) is pasted and is had non slipping spur (16), ruler (17) are installed to the avris of collets (15), and the end department of ruler (17) is reserved has spacing hole of second (18), second scale mark (19) set up the edge in ruler (17), and the up end of ruler (17) has been seted up and has been put thing hole (20).

2. A plane coordinate arc plotter for mathematical education as set forth in claim 1, characterized in that: the adjusting rod (2) penetrates through the fixing plate (1), the sleeve (5), the supporting plate (13) and the sleeve block (15), and the adjusting rod (2) is in threaded connection with the fixing plate (1) and the sleeve (5).

3. A plane coordinate arc plotter for mathematical education as set forth in claim 1, characterized in that: the sleeve (5) and the fixing plate (1) form a rotating structure, and the sleeve (5) and the supporting plate (13) are welded.

4. A plane coordinate arc plotter for mathematical education as set forth in claim 1, characterized in that: the connecting cylinder (10) and the movable rod (11) form a telescopic structure, and the movable rod (11) and the anti-slip strip (12) are thermally bonded.

5. A plane coordinate arc plotter for mathematical education as set forth in claim 1, characterized in that: the first limiting holes (14) are distributed on the supporting plate (13) at equal angles, and the supporting plate (13) is of a circular structure.

6. A plane coordinate arc plotter for mathematical education as set forth in claim 1, characterized in that: the object placing holes (20) are distributed on the ruler (17) at equal intervals, and the ruler (17) forms a rotating structure through the sleeve block (15) and the adjusting rod (2).