CN211138825U - Drawing tool for mathematics teaching - Google Patents

Drawing tool for mathematics teaching Download PDF

Info

Publication number
CN211138825U
CN211138825U CN201921748435.9U CN201921748435U CN211138825U CN 211138825 U CN211138825 U CN 211138825U CN 201921748435 U CN201921748435 U CN 201921748435U CN 211138825 U CN211138825 U CN 211138825U
Authority
CN
China
Prior art keywords
cross
shaped
auxiliary
drawing tool
disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921748435.9U
Other languages
Chinese (zh)
Inventor
郭峰
赵彩霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Vocational College of Applied Technology
Original Assignee
Henan Vocational College of Applied Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Vocational College of Applied Technology filed Critical Henan Vocational College of Applied Technology
Priority to CN201921748435.9U priority Critical patent/CN211138825U/en
Application granted granted Critical
Publication of CN211138825U publication Critical patent/CN211138825U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A drawing tool for mathematics teaching effectively solves the problem that circular and triangular drawing is inconvenient to carry out and comprises a disc which is axially arranged up and down, wherein the upper end of the disc is coaxially and rotatably connected with a main ruler in the left-right direction, a cross-shaped block capable of sliding left and right is arranged on the upper side of the main ruler, a circular groove with an upward opening is formed in the upper side of the cross-shaped block, a supporting rod is coaxially and slidably connected in the circular groove, the lower end of the supporting rod penetrates through the cross-shaped block and is slidably connected with the cross-shaped block, a chalk containing groove is coaxially formed in the lower end face of the supporting rod, an auxiliary ruler in the left-right direction is arranged on the front side of the main ruler, a L-shaped connecting block capable of sliding left and right is arranged on the upper side of the auxiliary ruler, a first auxiliary plate is hinged to the left.

Description

Drawing tool for mathematics teaching
Technical Field
The utility model relates to a teaching auxiliary instrument technical field, especially a mathematical education drawing tool.
Background
The drawing tool is the indispensable learning tool in the mathematics study, all need assist the mapping with the help of the drawing tool when drawing figures such as circle, triangle-shaped, current drawing tool function singleness can not draw multiple figure, and the operation is sensitive enough, and the accuracy is low, and draw the distance that circular needs constantly adjust chalk and blackboard, the operation is very inconvenient, consequently need be convenient for the teacher and conveniently draw the drawing tool of circular and triangle-shaped, the teacher of being convenient for moreover does the demonstration of drawing on the blackboard.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to compensate the deficiency of the prior art, the utility model aims at providing a mathematical education drawing tool, the effectual inconvenient problem of drawing of carrying on circular and triangle-shaped of having solved.
The technical scheme of its solution is, the utility model discloses an upper and lower axial disc, the main scale of direction about the coaxial rotation of disc upper end is connected, but the main scale upside is equipped with horizontal slip's cross-shaped piece, the circular slot that the opening was up seted up to cross-shaped piece upper end, coaxial sliding connection has the bracing piece in the circular slot, the bracing piece lower extreme run through cross-shaped piece and with cross-shaped piece sliding connection, the chalk holding tank has coaxially been seted up on the terminal surface under the bracing piece, the main scale front side is equipped with the assistant chi of direction about, it is equipped with the connecting block that can horizontal slip and L shape to assist the chi upside, it articulates there is first accessory plate to assist the chi left end, the free end of first accessory plate is connected with the connecting block.
Compared with the prior art, the beneficial effects of the utility model are that: through can carrying out circumference pivoted main scale along the disc, be convenient for carry out circular drawing, but set up horizontal slip and have the cross-shaped piece that the chalk held the chamber, can fix the chalk, can be convenient for draw the circular of equidimension not, convenient and fast, but be equipped with wobbling first accessory plate and second accessory plate and connecting block, make the triangle-shaped that can form different forms between the three, can assist the teacher to draw out wanted triangle-shaped fast, the accuracy of drawing is improved, teacher's efficiency of giving lessons has also been improved simultaneously, the understanding teacher's knowledge that makes the student can be more, the teaching aid is simple in structure, high durability and convenient operation, novel conception, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is a ladder sectioning main perspective view diagram of the utility model.
Fig. 3 is a perspective view of the utility model.
Fig. 4 is a bottom perspective view of the present invention.
Fig. 5 is an enlarged view of a in fig. 2 according to the present invention.
Fig. 6 is an enlarged view of B in fig. 3 according to the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
By figure 1 to 6, axial disc 1 about including, disc 1 upper end coaxial rotation connects the main scale 2 of left and right sides direction, 2 upsides of main scale are equipped with the cross-shaped piece 3 that can the horizontal slip, cross-shaped piece 3 upper end has been seted up opening circular slot 4 up, coaxial sliding connection has bracing piece 5 in the circular slot 4, 5 lower extremes of bracing piece run through cross-shaped piece 3 and with cross-shaped piece 3 sliding connection, the coaxial chalk holding tank 6 of having seted up on the terminal surface under the bracing piece 5, main scale 2 front side is equipped with the auxiliary scale 7 of left and right sides direction, auxiliary scale 7 upside is equipped with the connecting block 8 that can the horizontal slip and L shape, auxiliary scale 7 left end articulates there is first accessory plate 9, the free end of first accessory plate 9 is articulated with connecting block 8 through second accessory plate 10.
In order to enable the cross-shaped block 3 to slide left and right, a cross-shaped groove 11 which is in the left-right direction and is penetrated up and down is formed in the upper side of the main ruler 2, and the cross-shaped block 3 is positioned in the cross-shaped groove 11 and is in sliding connection with the cross-shaped groove 11.
In order to enable the chalk drawn figure to be separated from the blackboard, the upper end of the cross-shaped block 3 is provided with an annular cylinder 12 which is coaxial with the circular groove 4 and has a downward opening, the upper end of the support rod 5 penetrates through the annular cylinder 12 and is in sliding connection with the annular cylinder 12, the support rod 5 is coaxially provided with a push plate 13 which is positioned in the circular groove 4, and the support rod 5 is sleeved with a spring 14 which is positioned between the bottom of the circular groove 4 and the push plate 13.
In order to enable the connecting block 8 to slide left and right, the front side of the auxiliary ruler 7 is provided with a L-shaped sliding groove 15 in the left-right direction, the connecting block 8 is positioned in the sliding groove 15 and is in sliding connection with the sliding groove 15, and the upper end of the connecting block 8 penetrates through the auxiliary ruler 7 and is in threaded connection with a push block 16.
In order to fix the device on a blackboard conveniently, a placing groove 17 is coaxially formed in the lower surface of the disc 1, and an adsorption magnet 18 is arranged in the placing groove 17.
In order to facilitate reading the diameter or length of the drawn figure, the rear sides of the main scale 2 and the auxiliary scale 7 are respectively provided with scale marks 19 on the upper surfaces thereof.
In order to measure the angle, a semicircular angle ruler 20 is arranged on the upper surface of the disc 1.
In order to position the cross block 3, a positioning ring 21 is screwed on the outer edge surface of the annular cylinder 12.
When the utility model is used, a teacher needs to draw a figure on the blackboard, so that students can conveniently understand the figure, firstly, the chalk is inserted into the chalk accommodating groove 6 for fixing, then the device is placed on the blackboard, the disc 1 is fixed on the blackboard through the adsorption magnet 18 in the placing groove 17, and the main ruler 2 and the disc 1 are in interference fit, and can be positioned at any position without external force or under self gravity;
when a circle needs to be drawn, the supporting rod 5 is pushed to drive the cross-shaped block 3 to slide rightwards along the cross-shaped groove 11 to a proper distance, after the diameter of the circle to be drawn is read through a scale mark 19 arranged on the main scale 2, the positioning ring 21 is screwed, the positioning ring 21 moves downwards to extrude the upper end face of the main scale 2, the cross-shaped block 3 is fixed at a position corresponding to the scale mark 19, the supporting rod 5 is pressed downwards along with the scale mark, the push plate 13 moves downwards to extrude the spring 14, the supporting rod 5 slides downwards along the circular groove 4 to drive the chalk to contact the blackboard, the main scale 2 is pushed to rotate along the disc 1, the supporting rod 5 stops being pressed after rotating for one circle, the spring 14 needs to restore under the condition that no external force exists, the spring 14 pushes the push plate 13 upwards, the push plate 13 drives the supporting rod 5 to slide upwards along the circular groove 4 to an initial position, completing drawing of a circle;
when a triangle needs to be drawn, the pushing block 16 is pushed to drive the connecting block 8 to slide leftwards along the sliding groove 15, and the connecting block 8 drives the first auxiliary plate 9 to swing forwards, the first auxiliary plate 9 pulls the second auxiliary plate 10 to swing forwards to form a triangle, then the pushing block 16 is screwed to move downwards, the pushing block 16 extrudes the upper end surface of the auxiliary ruler 7, the connecting block 8 is stably fixed in the sliding groove 15, and then the triangle is drawn, and can draw triangles with different sizes according to different positions of the connecting block 8 in the sliding groove 15, and the auxiliary ruler 7 is provided with scale marks 19, the side length of the triangle can be read, the shape is more visual, because the angle measuring ruler arranged on the disc 1 can measure the angle of the drawn graph, so that students can understand the graph conveniently, and after the graph is drawn, the device is taken down from a blackboard, and the operation is completed.
Compared with the prior art, the beneficial effects of the utility model are that: through can carrying out circumference pivoted main scale along the disc, be convenient for carry out circular drawing, but set up horizontal slip and have the cross-shaped piece that the chalk held the chamber, can fix the chalk, can be convenient for draw the circular of equidimension not, convenient and fast, but be equipped with wobbling first accessory plate and second accessory plate and connecting block, make the triangle-shaped that can form different forms between the three, can assist the teacher to draw out wanted triangle-shaped fast, the accuracy of drawing is improved, teacher's efficiency of giving lessons has also been improved simultaneously, the understanding teacher's knowledge that makes the student can be more, the teaching aid is simple in structure, high durability and convenient operation, novel conception, therefore, the clothes hanger is strong in practicability.

Claims (8)

1. The utility model provides a mathematics teaching drawing tool, axial disc (1) about including, a serial communication port, disc (1) upper end coaxial rotation connects main scale (2) of left right direction, main scale (2) upside is equipped with cross-shaped piece (3) that can the horizontal slip, circular recess (4) that the opening upwards was seted up to cross-shaped piece (3) upside, coaxial sliding connection has bracing piece (5) in circular recess (4), bracing piece (5) lower extreme run through cross-shaped piece (3) and with cross-shaped piece (3) sliding connection, chalk holding tank (6) have been seted up to the same axle on bracing piece (5) lower terminal surface, main scale (2) front side is equipped with auxiliary scale (7) of left right direction, auxiliary scale (7) upside is equipped with connecting block (8) that can the horizontal slip and L shape, auxiliary scale (7) left end articulates there is first auxiliary plate (9), the free end of first auxiliary plate (9) is articulated with connecting block (8) through second auxiliary plate (10) and is connected.
2. The drawing tool for mathematics teaching as claimed in claim 1, wherein said main ruler (2) has a cross-shaped groove (11) on the upper side, which is through from top to bottom, and said cross-shaped block (3) is located in said cross-shaped groove (11) and is connected with said cross-shaped groove (11) in a sliding manner.
3. The drawing tool for mathematics teaching as claimed in claim 1, wherein said cross-shaped block (3) has an upper end provided with an annular cylinder (12) coaxial with said circular groove (4) and having a downward opening, said support rod (5) has an upper end passing through said annular cylinder (12) and slidably connected with said annular cylinder (12), said support rod (5) has a push plate (13) coaxially disposed in said circular groove (4), said support rod (5) is sleeved with a spring (14) disposed between the bottom of said circular groove (4) and said push plate (13).
4. The drawing tool for mathematics teaching as claimed in claim 1, wherein said auxiliary ruler (7) is opened with a L-shaped sliding slot (15) at the front side, the connecting block (8) is located in the sliding slot (15) and is connected with the sliding slot (15) in a sliding way, the upper end of the connecting block (8) penetrates through the auxiliary ruler (7) and is connected with the pushing block (16) in a threaded way.
5. The drawing tool for mathematical education as claimed in claim 1 wherein the lower surface of the disc (1) is coaxially provided with a placing groove (17), and the placing groove (17) is internally provided with an adsorption magnet (18).
6. A mathematical education drafting tool as claimed in claim 1 wherein the rear sides of the main scale (2) and the auxiliary scale (7) are provided with graduation marks (19) on their upper surfaces respectively.
7. The drawing tool for mathematics teaching according to claim 1, characterized in that the upper surface of said disc (1) is provided with a semicircular angle ruler (20).
8. A mathematical education drafting tool as claimed in claim 3 wherein the outer peripheral surface of the ring-shaped barrel (12) is screw-coupled with a positioning ring (21).
CN201921748435.9U 2019-10-17 2019-10-17 Drawing tool for mathematics teaching Expired - Fee Related CN211138825U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921748435.9U CN211138825U (en) 2019-10-17 2019-10-17 Drawing tool for mathematics teaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921748435.9U CN211138825U (en) 2019-10-17 2019-10-17 Drawing tool for mathematics teaching

Publications (1)

Publication Number Publication Date
CN211138825U true CN211138825U (en) 2020-07-31

Family

ID=71768176

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921748435.9U Expired - Fee Related CN211138825U (en) 2019-10-17 2019-10-17 Drawing tool for mathematics teaching

Country Status (1)

Country Link
CN (1) CN211138825U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112172387A (en) * 2020-09-27 2021-01-05 安徽理工大学 Mathematical modeling teaching aid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112172387A (en) * 2020-09-27 2021-01-05 安徽理工大学 Mathematical modeling teaching aid

Similar Documents

Publication Publication Date Title
CN211138825U (en) Drawing tool for mathematics teaching
CN202896066U (en) Multifunctional compasses for mathematical education
CN211138831U (en) Multipurpose ruler for mathematics teaching
CN203543442U (en) Teaching board capable of bringing convenience for mathematics teachers
CN211787680U (en) Angle measuring device for mathematical education
CN210132923U (en) Mathematics teaching is with supplementary drawing device
CN108357250B (en) Teaching aid for basic mathematics
CN203681084U (en) Multifunctional ruler
CN205185656U (en) Teaching aid for mathematics
CN208052929U (en) A kind of primary school's multifunctional plotter
CN211730846U (en) Multifunctional drawing tool for teaching of mathematics teacher
CN205185669U (en) Novel ruler
CN210149018U (en) Drawing teaching ruler
CN214727746U (en) Teaching aid convenient for drawing circle
CN211280424U (en) Multipurpose ruler for mathematical teaching
CN209999973U (en) Folding triangular combined teaching aid for high school mathematics
CN213108801U (en) A multi-functional teaching aid for professorship mathematics education
CN203681080U (en) Compass for teaching
CN213734345U (en) Be applied to drawing device of junior middle school's mathematical education
CN214449854U (en) Novel drawing rule of business administration
CN214355204U (en) Combined teaching ruler
CN110641207A (en) Multifunctional teaching ruler
CN207984404U (en) Mathematics drawing tool
CN211390748U (en) Combined mathematics teaching aid
CN214822200U (en) Drawing device for mathematical education

Legal Events

Date Code Title Description
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200731

Termination date: 20211017