CN215705364U

CN215705364U - Mathematics teaching is with multi-functional measuring graphics primitive

Info

Publication number: CN215705364U
Application number: CN202122361719.6U
Authority: CN
Inventors: 王文学
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-01
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a multifunctional measuring and drawing tool for mathematical teaching, which comprises a connecting shaft arranged at the upper end of a bottom plate, wherein a guide rod is fixedly connected to the outer side of the connecting shaft, a magnetic sticker capable of being fixedly attracted is fixedly arranged at the side end of the guide rod, a shifting block is fixedly arranged at the top end of the guide rod, a telescopic movable rod is arranged at the inner end of the guide rod, a jacking block is fixedly arranged at the top end of the movable rod, a sliding groove is formed in the outer side of the guide rod, a knob is arranged at the inner end of the sliding groove, and the output end of the knob is connected with the movable rod through the sliding groove. This multifunctional measurement graphics primitive is used in mathematical education is provided with guide bar and movable rod, uses the connecting axle end to rotate as the centre of a circle through the guide bar for the guide bar forms the benchmark, and the drawing of the line segment of being convenient for, the accessible promotes the removal of knob on the spout simultaneously, makes the movable rod stretch out the guide bar, and extension guide bar length changes the radius of drawing the line segment, adapts to different user demands.

Description

Mathematics teaching is with multi-functional measuring graphics primitive

Technical Field

The utility model relates to the technical field of teaching tools, in particular to a multifunctional measuring and drawing tool for mathematical teaching.

Background

Teachers often draw geometric figures by using drawing tools during teaching in mathematics classroom, wherein the drawing tools are compasses and rulers generally, but the existing drawing tools have certain defects, such as the defects of the existing drawing tools;

the existing drawing tool is mostly a single independent tool, so that a teacher is not convenient to carry about a class, the tool needs to be replaced during drawing, certain inconvenience is caused to a user, the existing drawing tool is poor in clamping stability of chalks, the chalks are easy to break when the tool is used, the user needs to replace the chalks ceaselessly, and drawing efficiency is influenced.

In order to solve the above problems, innovative design based on the original drawing tool is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional measuring and drawing tool for mathematical teaching, which solves the problems that most of the existing drawing tools proposed in the background technology are single independent tools, a teacher cannot conveniently carry the existing drawing tools in class, the tools need to be replaced during drawing, certain inconvenience is brought to a user, the existing drawing tools are poor in clamping stability of chalks, the chalks are easy to break when the tools are used, the user needs to continuously replace the chalks, and the drawing efficiency is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a multifunctional measuring and drawing tool for mathematical teaching mainly comprises a bottom plate, a blocking block and a ruler, wherein the blocking block is arranged on the outer side of the bottom plate, and the ruler is fixedly installed on the outer side of the blocking block;

the method comprises the following steps:

the connecting shaft is arranged at the upper end of the bottom plate, a guide rod is fixedly connected to the outer side of the connecting shaft, a magnetic sticker capable of being fixedly attracted and fixed is fixedly mounted at the side end of the guide rod, a shifting block is fixedly mounted at the top end of the guide rod, a telescopic movable rod is arranged at the inner end of the guide rod, a top block is fixedly mounted at the top end of the movable rod, a sliding groove is formed in the outer side of the guide rod, a knob is arranged at the inner end of the sliding groove, and the output end of the knob is connected with the movable rod through the sliding groove;

the inner that leads to the groove, set up in the kicking block, and the inner that leads to the groove is connected with the connecting block to the top fixed mounting of connecting block has the runner, the inner that leads to the groove is provided with the stopper, and the terminal fixedly connected with dead lever of stopper to the dead lever end is connected with the kicking block inner, the terminal surface of dead lever is provided with the spring, and the top of spring is connected with the kicking block inner, the inner that leads to the groove is provided with the chalk.

Preferably, the bottom plate and the blocking block are of a fixed integrated structure, the blocking block is fixedly connected with the ruler, the bottom plate forms a rotating structure through a connecting shaft and a guide rod, and a reference for drawing an arc line is formed through rotation of the guide rod.

Preferably, the magnetic pastes that can mutual actuation are all installed to the side of guide bar and the side of separation block, and the shifting block that conveniently promotes the body of rod is installed to the outer end symmetry of guide bar to guide bar and movable rod are sliding connection, make the guide bar laminate in the bottom plate upper end through the mutual actuation of magnetic paste.

Preferably, the knob output is sliding connection with the spout, and the knob output is threaded connection with the movable rod to the movable rod is fixed integral structure with the kicking block, makes the movable rod stretch out guide bar inner through the removal of knob, changes the radius of drawing the pitch arc.

Preferably, runner and connecting block are fixed connection, and the connecting block is threaded connection with leading to the groove to the connecting block bottom is slope column structure, makes the connecting block extrude the stopper through the rotation of runner.

Preferably, the top end of the limiting block is attached to the bottom end of the connecting block, the limiting block, the fixed rod and the ejector block form a sliding structure, the fixed rod and the ejector block form an elastic structure through springs, and the chalk is stably clamped through contraction movement of the multiple groups of limiting blocks.

Compared with the prior art, the utility model has the beneficial effects that: the multifunctional measuring and drawing tool for mathematical education;

1. the guide rod and the movable rod are arranged, the guide rod rotates by taking the end of the connecting shaft as the center of a circle through the guide rod, so that the guide rod forms a reference to facilitate drawing of a line segment, meanwhile, the movable rod can extend out of the guide rod by pushing the knob to move on the sliding chute, the length of the guide rod is lengthened to change the radius of the drawn line segment, and different use requirements are met;

2. be provided with kicking block and stopper, through carrying out through connection with the chalk with lead to the groove, rotate the runner and drive the connecting block and follow logical groove downstream for the connecting block bottom end extrudees the stopper, makes the stopper outside laminate the extrusion with the chalk, makes the chalk fixed in the logical groove of kicking block, can be stable carry out the drawing of line segment.

Drawings

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

FIG. 2 is a schematic view of the working structure of the guide bar of the present invention;

FIG. 3 is a side view of the base plate of the present invention;

FIG. 4 is a schematic cross-sectional structural view of the top block of the present invention;

fig. 5 is a schematic top sectional view of the through groove of the present invention.

In the figure: 1. a base plate; 2. a barrier block; 3. a straightedge; 4. a connecting shaft; 5. a guide bar; 6. magnetic pasting; 7. shifting blocks; 8. a movable rod; 9. a top block; 10. a knob; 11. a chute; 12. a through groove; 13. a rotating wheel; 14. connecting blocks; 15. a limiting block; 16. fixing the rod; 17. a spring; 18. and (4) chalk.

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. 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.

Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional measuring and drawing tool for mathematical teaching mainly comprises a bottom plate 1, a blocking block 2 and a ruler 3, wherein the blocking block 2 is arranged on the outer side of the bottom plate 1, and the ruler 3 is fixedly arranged on the outer side of the blocking block 2;

the method comprises the following steps:

the connecting shaft 4 is arranged at the upper end of the bottom plate 1, a guide rod 5 is fixedly connected to the outer side of the connecting shaft 4, a magnetic sticker 6 capable of being fixedly attracted and fixed is fixedly installed at the side end of the guide rod 5, a shifting block 7 is fixedly installed at the top end of the guide rod 5, a telescopic movable rod 8 is arranged at the inner end of the guide rod 5, a top block 9 is fixedly installed at the top end of the movable rod 8, a sliding groove 11 is formed in the outer side of the guide rod 5, a knob 10 is arranged at the inner end of the sliding groove 11, and the output end of the knob 10 is connected with the movable rod 8 through the sliding groove 11;

the inner that leads to the groove 12, set up in kicking block 9, and the inner that leads to the groove 12 is connected with connecting block 14 to the top fixed mounting of connecting block 14 has runner 13, and the inner that leads to the groove 12 is provided with stopper 15, and the terminal fixedly connected with dead lever 16 of stopper 15, and the dead lever 16 end is connected with the inner of kicking block 9, and the terminal surface of dead lever 16 is provided with spring 17, and the top of spring 17 is connected with the inner of kicking block 9, and the inner that leads to the groove 12 is provided with chalk 18.

Bottom plate 1 is fixed integral structure with separation piece 2, and separation piece 2 is fixed connection with ruler 3, and bottom plate 1 constitutes revolution mechanic through connecting axle 4 and guide bar 5, but the magnet of mutual actuation 6 is all installed to the side of guide bar 5 and the side of separation piece 2, and the outer end symmetry of guide bar 5 installs the shifting block 7 that conveniently promotes the body of rod, and guide bar 5 is sliding connection with movable rod 8, knob 10 output is sliding connection with spout 11, and knob 10 output is threaded connection with movable rod 8, and movable rod 8 and kicking block 9 are fixed integral structure.

When the straight line measurement is needed, the straight ruler 3 at the top end of the tool is directly aligned with the straight line, when the arc drawing is needed, the tool can be inverted, the poking block 7 is pinched to enable the guide rod 5 and the connecting shaft 4 to rotate around the shaft end, the magnetic paste 6 at the side end of the guide rod 5 and the side end of the separation block 2 are separated, when the guide rod 5 rotates anticlockwise for 180 degrees, the benchmark of drawing the arc line can be determined, as shown in fig. 2, at this time, the knob 10 can be unscrewed and pushed to slide along the chute 11, the output end of the knob 10 drives the movable rod 8 to extend outwards along the inner end of the guide rod 5, the radius of the drawn arc line is changed to adapt to the use requirements of drawing different arc lines, the knob 10 is screwed down to enable the bottom end to compress the chute 11, the position of the movable rod 8 is fixed, arc drawing can be performed after the chalk 18 is installed, and the retractable structure is convenient for a user to carry.

Runner 13 is fixed connection with connecting block 14, and connecting block 14 is threaded connection with logical groove 12 to connecting block 14 bottom is slope column structure, and stopper 15 top is laminated mutually with connecting block 14 bottom, and stopper 15 and dead lever 16 constitute sliding construction with kicking block 9, and dead lever 16 passes through spring 17 and constitutes elastic construction with kicking block 9.

Carry out through connection with chalk 18 and the logical groove 12 of kicking block 9 inner, chalk 18 top will carry out through connection with runner 13, rotatable runner 13 this moment, make its bottom fixed connection's connecting block 14 move downwards under leading to groove 12 threaded connection effect, because connecting block 14 bottom all is the slope column structure with stopper 15 top, make connecting block 14 will extrude stopper 15 moving the in-process down, make it drive dead lever 16 stretch out from kicking block 9, stopper 15 will closely laminate the extrusion to chalk 18 surface, fix chalk 18 through four group's stoppers 15, make its stable installation in the logical groove 12 of kicking block 9, can not appear breaking when drawing.

The working principle is as follows: when the multifunctional measuring and drawing tool for mathematical education is used, according to the figures 1-5, the device is firstly placed at a position needing to work, so that after the guide rod 5 rotates anticlockwise around the shaft end, a horizontal reference is formed, the knob 10 can be pushed to slide along the sliding groove 11, the movable rod 8 is driven to extend out of the inner end of the guide rod 5, the radius of an arc line needing to be drawn is changed, and the functionality is increased;

carry out through connection with chalk 18 and logical groove 12, rotate runner 13 and drive connecting block 14 and follow logical groove 12 downstream, connecting block 14 bottom and 15 tops of stopper all are the slope column structure, will extrude stopper 15 when connecting block 14 moves down, stopper 15 will closely laminate the extrusion to chalk 18 surface to stabilize fixedly chalk 18, increased holistic practicality.

Those not described in detail in this specification are within the skill of the art.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multifunctional measuring and drawing tool for mathematical teaching mainly comprises a bottom plate (1), a blocking block (2) and a ruler (3), wherein the blocking block (2) is arranged on the outer side of the bottom plate (1), and the ruler (3) is fixedly installed on the outer side of the blocking block (2);

it is characterized by comprising:

the connecting shaft (4) is arranged at the upper end of the bottom plate (1), a guide rod (5) is fixedly connected to the outer side of the connecting shaft (4), a magnetic paste (6) capable of being sucked and fixed is fixedly mounted at the side end of the guide rod (5), a shifting block (7) is fixedly mounted at the top end of the guide rod (5), a telescopic movable rod (8) is arranged at the inner end of the guide rod (5), a top block (9) is fixedly mounted at the top end of the movable rod (8), a sliding groove (11) is formed in the outer side of the guide rod (5), a knob (10) is arranged at the inner end of the sliding groove (11), and the output end of the knob (10) is connected with the movable rod (8) through the sliding groove (11);

lead to groove (12), set up in the inner of kicking block (9), and the inner that leads to groove (12) is connected with connecting block (14) to the top fixed mounting of connecting block (14) has runner (13), the inner that leads to groove (12) is provided with stopper (15), and the terminal fixedly connected with dead lever (16) of stopper (15), and dead lever (16) end is connected with kicking block (9) inner, the terminal surface of dead lever (16) is provided with spring (17), and the top of spring (17) is connected with kicking block (9) inner, the inner that leads to groove (12) is provided with chalk (18).

2. The multifunctional measuring and drawing tool for mathematics teaching as claimed in claim 1, characterized in that said bottom plate (1) and said blocking block (2) are of a fixed integrated structure, and said blocking block (2) and said ruler (3) are of a fixed connection, and said bottom plate (1) and said guide bar (5) form a rotation structure through a connection shaft (4).

3. The multifunctional measuring and drawing tool for mathematics teaching as claimed in claim 1, wherein said side ends of said guide bar (5) and said blocking block (2) are mounted with magnetic stickers (6) which can be attracted to each other, and the outer end of said guide bar (5) is symmetrically mounted with a shifting block (7) which can push the bar body conveniently, and said guide bar (5) and said movable bar (8) are connected in sliding.

4. The multifunctional measuring and drawing tool for mathematics teaching as claimed in claim 1, characterized in that the output end of said knob (10) is connected with the chute (11) in a sliding way, the output end of the knob (10) is connected with the movable rod (8) in a threaded way, and the movable rod (8) and the top block (9) are in a fixed integrated structure.

5. The multifunctional measuring and drawing tool for mathematics teaching as claimed in claim 1, wherein said rotating wheel (13) is fixedly connected with the connecting block (14), the connecting block (14) is in threaded connection with the through groove (12), and the bottom end of the connecting block (14) is in an inclined structure.

6. The multifunctional measuring and drawing tool for mathematics teaching as claimed in claim 1, characterized in that the top end of said limited block (15) is attached to the bottom end of the connecting block (14), and the limited block (15) and the fixed rod (16) form a sliding structure with the top block (9), and the fixed rod (16) forms an elastic structure with the top block (9) through the spring (17).