CN211106598U

CN211106598U - Multifunctional mathematical teaching aid for teaching

Info

Publication number: CN211106598U
Application number: CN201921461703.9U
Authority: CN
Inventors: 史红燕; 高岩; 刘鑫; 王东凯
Original assignee: Longdong University
Current assignee: Longdong University
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-07-28
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to a teaching is with multi-functional mathematics teaching aid, including the ruler base member, be equipped with first scale section along its length direction on the ruler base member, the one end of ruler base member is rotated and is installed the sucking disc, is provided with the slider along its length direction activity on the ruler base member, is equipped with first fastening screw between slider and the ruler base member, is equipped with the first mounting hole of the pen of writing that supplies the pen installation on the slider, fixes being provided with the protractor on the sucking disc, the coincidence of the zero point scale mark of the first scale section on 90 degrees datum lines of protractor and the ruler base member. Adsorb on the clipboard through the sucking disc, can draw straight line and line segment through the ruler base member, will write the pen and install on the slider, can realize drawing different radial circular through adjustment slider position, the protractor sets up with the sucking disc is fixed, can realize drawing the straight line and the line segment of different angles through rotating the ruler base member, above-mentioned teaching aid function is abundant, draws conveniently not need make a round trip to switch the teaching aid, moreover with multiple drawing function integration an organic whole, convenient to carry.

Description

Multifunctional mathematical teaching aid for teaching

Technical Field

The utility model relates to a teaching aid field is used in the teaching, concretely relates to multi-functional mathematics teaching aid is used in teaching.

Background

The mathematics teaching aid is the appurtenance that the mathematics mr used commonly in the teaching to draw various figures on the blackboard and demonstrate and explain the student. The existing mathematical teaching aids are single at present, and have single functions, for example, a compass teaching aid is used for drawing circles; drawing straight lines or line segments and the like by using a ruler; the protractor draws a straight line or line segment having a set angle. And if want to draw the figure of a combination, then need go up when class with all teaching aids all carry on, the teaching aid is a great deal of not portable, and the drawing needs to make a round trip to change the teaching aid on the blackboard in addition, draws inconveniently, leads to wasting time and energy, and draws the effect relatively poor, is not convenient for teaching or demonstrates the effect poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-functional mathematics teaching aid is used in teaching to the teaching aid function singleness among the solution prior art leads to carrying inconvenient and draws inconvenient problem.

In order to achieve the above object, the utility model discloses a multi-functional mathematics teaching aid is used in teaching adopts following technical scheme: the utility model provides a multi-functional mathematical teaching aid is used in teaching, including the ruler base member, be provided with first scale section along its length direction on the ruler base member, the one end of ruler base member is rotated and is installed and be used for adsorbing the sucking disc on the clipboard, be provided with the slider along its length direction activity on the ruler base member, be provided with the first fastening screw that is used for fixed slider between slider and the ruler base member, be provided with the first mounting hole of the pen of writing that supplies the pen installation on the slider, the fixed protractor that is provided with on the sucking disc, the protractor has the angle scale mark that is radial distribution along the benchmark point of reference, the coincidence of the zero point scale mark of the first scale section on 90 degrees datum line.

The slider is provided with a cantilever which extends towards the first scale section and is parallel to the scale mark of the first scale section.

The upside of the one end of ruler base member is provided with first lug, is provided with the first mounting hole of the sucking disc that spanes the confession sucking disc installation of first lug on the ruler base member, is provided with the second lug in datum point department on the protractor, is provided with the sucking disc second mounting hole of the confession sucking disc installation that spanes the second lug in datum point department on the protractor, the central line of the first mounting hole of sucking disc and the coincidence of the central line of sucking disc second mounting hole, and the upper end point of the zero scale mark of first scale section is located the extension line of the central line of the first mounting hole of sucking disc.

The slider has the U-shaped groove of clamping on the ruler base member, is provided with the guide way that length extends along the length direction of ruler base member on the ruler base member, is provided with on the cell wall in U-shaped groove to be used for with the guide way guide removal complex guide post.

The ruler base member is extending structure, and the ruler base member includes first ruler section and second ruler section, and first scale section sets up in first ruler section, is provided with the guiding hole that supplies second ruler section to remove the installation along its length direction on the first ruler section, is provided with the second locking screw that is used for fixing second ruler section on the first ruler section, is provided with the second scale section on the second ruler section, and the tip of second ruler section is provided with the pen second mounting hole that writes that supplies the pen installation of writing.

The end part of the second ruler section is provided with a through hole, an installation barrel is installed in the through hole, and a cavity of the installation barrel forms a second installation hole of the writing pen.

The utility model has the advantages that: adsorb on the clipboard through the sucking disc, can draw straight line and line segment through the ruler base member, will write the pen and install on the slider, can realize drawing different radial circular through adjustment slider position, the protractor sets up with the sucking disc is fixed in addition, can realize drawing the straight line and the line segment of different angles through rotating the ruler base member, above-mentioned teaching aid function is abundant, draws conveniently not need make a round trip to switch the teaching aid, and with multiple drawing function integration an organic whole, convenient to carry moreover.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a multifunctional mathematical teaching aid for teaching according to the present invention;

FIG. 2 is a schematic structural view of the first straight section of FIG. 1;

fig. 3 is a schematic structural view of the protractor of fig. 1;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is a schematic view of the mounting arrangement of the protractor, first straight rule segment and suction cup of FIG. 1;

fig. 6 is a schematic view of the construction of the base of the straightedge of fig. 1;

FIG. 7 is a schematic view of the slider structure of FIG. 1;

fig. 8 is the utility model discloses a structural schematic of slider in embodiment two of multi-functional mathematics teaching aid is used in teaching.

Detailed Description

The utility model discloses a teaching is with embodiment one of multi-functional mathematics teaching aid, as shown in fig. 1-7, including ruler base member 1, ruler base member 1 is extending structure, and ruler base member 1 includes first ruler section 2 and second ruler section 3, is provided with on the first ruler section 2 and supplies second ruler section 3 to remove the guiding hole of installation along its length direction. One end of the first straight section 2 is rotatably provided with a sucker 9 which is adsorbed on the writing board. The first straight ruler section 2 is movably provided with a sliding block 7 along the length direction, a first fastening screw 14 used for fixing the sliding block is arranged between the sliding block 7 and the straight ruler base body, and the sliding block 7 is provided with a first writing pen mounting hole 15 for mounting a writing pen. The first ruler section 2 is provided with two second locking screws for fixing the second ruler section 3, one locking screw 12 is located in the middle of the first ruler section, and the other locking screw 13 is close to the end, far away from the sucker, of the first ruler section. First scale section 4 is provided with on the first scale section 2, is provided with second scale section 5 on the second scale section 3. The tip of second ruler section 3 is provided with the through-hole, installs installation barrel 8 in the through-hole, and the cavity of installation barrel 8 forms the writing pen second mounting hole that supplies the writing pen installation. The slider 7 is provided with a cantilever 24 which extends towards the first scale section and is parallel to the scale mark of the first scale section, the cantilever 24 is opposite to the center of the first mounting hole 15 of the writing pen, the cantilever 24 is provided with a reference line 25, the straight line of the reference line 25 passes through the center line of the first mounting hole 15, and the reference line 25 extends to the first mounting hole 15.

The suction cup 9 is fixedly provided with a protractor 10, the protractor 10 is provided with angle scale marks which are distributed in a radial shape along the reference point, and a 90-degree reference line 11 of the protractor is superposed with a zero scale mark 26 of the first scale section 4 on the first straight scale section 2. The upper side of one end of the first ruler section 2 is provided with a first lug 16, and the first ruler section is provided with a first sucker mounting hole 17 which crosses the first lug 16 and is used for mounting the sucker 9. The protractor 10 is provided with a second lug 18 at a reference point, and a second suction cup mounting hole 19 for mounting a suction cup is arranged on the protractor at the reference point, and the reference point of the protractor is the central point of the scale lines of 0 degree and 180 degrees in the embodiment. The central line of the first mounting hole 17 of the sucker coincides with the central line of the second mounting hole 19 of the sucker, and the upper end point of the zero scale mark 26 of the first scale section is located on the extension line of the central line of the first mounting hole 17 of the sucker. The upper end of the suction cup 9 passes through the suction cup second mounting hole 19, and the suction cup and the protractor are bonded together through the bonding glue 27. The sliding block 7 is provided with a U-shaped groove 20 clamped on the ruler base body, the first ruler section 2 is provided with a guide groove 6 with the length extending along the length direction of the ruler base body, and the wall of the U-shaped groove is provided with a guide post 21 used for being matched with the guide groove in a guiding and moving mode. In this embodiment, the guide grooves 6 are formed on both the upper and lower sides of the first straight rule section 2, the guide post 21 is formed on one side wall of the U-shaped groove, the first locking screw 14 is inserted into the other side wall of the U-shaped groove, and the first locking screw portion in the U-shaped groove forms a guide portion for guiding and movably engaging with the guide groove on the upper side of the first straight rule section. The cantilever 22 is provided with an arc-shaped portion 23 for letting the second locking screw out.

When using, adsorb on the clipboard through the sucking disc, can draw sharp and line segment through the ruler base member, and can increase its suitability through flexible second ruler section, when first ruler section satisfies the drawing circle demand, install the pen of writing on the slider, can realize drawing different radial circular through adjustment slider position, when the length of first ruler section can't satisfy the demand, can be through pulling out second ruler section, will write the pen and pack into in the pen second mounting hole, can realize the great drawing circle of radius. And protractor and the fixed setting of sucking disc can realize drawing the straight line and the line segment of different angles through rotating the ruler base member, and above-mentioned teaching aid function is abundant, and it is convenient not to make a round trip to switch the teaching aid to draw, and it is integrative to integrate multiple drawing functions, convenient to carry moreover.

The utility model discloses a teaching is with embodiment two of multi-functional mathematics teaching aid, as shown in FIG. 8, the difference with embodiment one only lies in the structure difference of slider, and the slider has entity piece part 28 in this embodiment, is provided with the first mounting hole 15 of writing pen on the entity piece part 28, is equipped with on the entity piece part 28 towards first ruler section open-ended U-shaped groove 20.

In other embodiments of the present invention, the ruler base may only include the first ruler section, and at this time, the ruler base is not stretchable and has a fixed size; the number of the second fastening screws can be adjusted according to actual needs, and can be 3 or one; the slider can be provided with no cantilever; when the second locking screw does not affect the movement of the sliding block, the arc-shaped part is not arranged on the cantilever.

Claims

1. The utility model provides a teaching is with multi-functional mathematics teaching aid which characterized in that: including the ruler base member, be provided with first scale section along its length direction on the ruler base member, the one end of ruler base member is rotated and is installed and be used for adsorbing the sucking disc on the clipboard, be provided with the slider along its length direction activity on the ruler base member, be provided with the first fastening screw that is used for fixed slider between slider and the ruler base member, be provided with the first mounting hole of pen that writes that supplies the pen installation on the slider, the fixed protractor that is provided with on the sucking disc, the protractor has the angle scale mark that is radial distribution along the benchmark point of reference, the coincidence of the zero point scale mark of the first scale section on 90 degrees datum line and the ruler base member of protractor.

2. A multi-functional mathematical teaching aid for teaching as claimed in claim 1, wherein: the slider is provided with a cantilever which extends towards the first scale section and is parallel to the scale mark of the first scale section.

3. A multi-functional mathematical teaching aid for teaching as claimed in claim 1, wherein: the upside of the one end of ruler base member is provided with first lug, is provided with the first mounting hole of the sucking disc that spanes the confession sucking disc installation of first lug on the ruler base member, is provided with the second lug in datum point department on the protractor, is provided with the sucking disc second mounting hole of the confession sucking disc installation that spanes the second lug in datum point department on the protractor, the central line of the first mounting hole of sucking disc and the coincidence of the central line of sucking disc second mounting hole, and the upper end point of the zero scale mark of first scale section is located the extension line of the central line of the first mounting hole of sucking disc.

4. A multi-functional mathematical teaching aid for teaching as claimed in claim 1, wherein: the slider has the U-shaped groove of clamping on the ruler base member, is provided with the guide way that length extends along the length direction of ruler base member on the ruler base member, is provided with on the cell wall in U-shaped groove to be used for with the guide way guide removal complex guide post.

5. A multi-functional mathematical teaching aid for teaching according to any of claims 1-4 wherein: the ruler base member is extending structure, and the ruler base member includes first ruler section and second ruler section, and first scale section sets up in first ruler section, is provided with the guiding hole that supplies second ruler section to remove the installation along its length direction on the first ruler section, is provided with the second locking screw that is used for fixing second ruler section on the first ruler section, is provided with the second scale section on the second ruler section, and the tip of second ruler section is provided with the pen second mounting hole that writes that supplies the pen installation of writing.

6. A multi-functional mathematical teaching aid for teaching as claimed in claim 5, wherein: the end part of the second ruler section is provided with a through hole, an installation barrel is installed in the through hole, and a cavity of the installation barrel forms a second installation hole of the writing pen.