CN112848762A - Mathematical function teaching aid - Google Patents
Mathematical function teaching aid Download PDFInfo
- Publication number
- CN112848762A CN112848762A CN202110004262.5A CN202110004262A CN112848762A CN 112848762 A CN112848762 A CN 112848762A CN 202110004262 A CN202110004262 A CN 202110004262A CN 112848762 A CN112848762 A CN 112848762A
- Authority
- CN
- China
- Prior art keywords
- coordinate
- fixedly connected
- teaching aid
- mathematical function
- pedestal
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
Abstract
The invention relates to the technical field of teaching aids and discloses a mathematical function teaching aid which comprises a pedestal, wherein supporting rods are symmetrically and fixedly connected in the pedestal, the upper ends of the two supporting rods are jointly and fixedly connected with a blackboard, side plates are symmetrically and fixedly connected to the vertical side wall of the blackboard, a plurality of coordinate plates are arranged between the two side plates, a coordinate graph is bonded to the vertical side wall of each coordinate plate, an X shaft rod and a Y shaft rod are fixedly connected to the coordinate graph, the X shaft rod and the Y shaft rod are arranged in a crossed and orthogonal mode, a plurality of sliding grooves are formed in the opposite side walls of the two side plates, and sliding blocks are symmetrically and fixedly connected to the two sides of each coordinate plate. This mathematical function teaching aid can once only demonstrate a plurality of function graphs, can carry out the contrast show of function graph, does benefit to student's understanding, need not the teaching time and draws the function graph, has saved the classroom time and has improved the quality of teaching.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a mathematical function teaching aid.
Background
Mathematics is one of the basic teaching subjects in high school teaching, and the teaching of mathematics involves the contents of more functions, such as trigonometric functions, power functions, and the like. The function is also an important branch of the mathematical discipline and is also the basis of higher mathematics calculus ideas in the future, the function teaching is often required to be matched with coordinate function images for teaching at the initial stage, the academic conference function images are also a necessary method and skills for function learning, and teachers need to draw function graphs by using mathematical function teaching aids when teaching function knowledge, so that the function teaching is facilitated. But current function teaching aid can not once only show a plurality of function graphs, can not carry out the contrast show of function graph, and the function graph is drawn to the teaching time, not only wastes classroom time, has still reduced the quality of teaching.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a mathematical function teaching aid which has the advantages of being capable of displaying a plurality of function graphs at one time, being capable of performing contrast display on the function graphs, being beneficial to students to understand and the like, and solves the problems that the function graphs are drawn in the course time, the classroom time is wasted, and the teaching quality is reduced.
(II) technical scheme
In order to realize the purposes that a plurality of function graphs can be displayed at one time, the function graphs can be displayed in a contrast way, and students can understand the function graphs conveniently, the invention provides the following technical scheme: a mathematical function teaching aid comprises a pedestal, wherein supporting rods are symmetrically and fixedly connected in the pedestal, a blackboard is fixedly connected at the upper ends of the two supporting rods together, side plates are symmetrically and fixedly connected on the vertical side wall of the blackboard, a plurality of coordinate plates are arranged between the two side plates, a coordinate graph is bonded on the vertical side wall of each coordinate plate, an X shaft rod and a Y shaft rod are fixedly connected on the coordinate graph, the X shaft rod and the Y shaft rod are arranged in a crossed and orthogonal mode, a plurality of sliding grooves are formed in the opposite side walls of the two side plates, sliding blocks are symmetrically and fixedly connected on the two sides of each coordinate plate, a plurality of sliding grooves are formed in the opposite side walls of the two side plates, two sliding blocks on the same coordinate plate are connected in the corresponding sliding grooves in a sliding mode, a winding roller is installed on the coordinate plates, and pull wires are wound on, the utility model discloses a fixed pole, including coordinate board, fixed link, fixed hole, fixed link top, fixed link bottom, fixed link top pass corresponding fixed orifices and fixed cylinder nozzle and extend to fixed cylinder.
Preferably, pedestal bottom symmetry fixedly connected with telescopic adjusting rod, threaded connection has adjusting bolt on the telescopic adjusting rod, telescopic adjusting rod's bottom fixedly connected with base.
Preferably, the lateral wall of coordinate board is gone up fixedly connected with handle, every handle position on the coordinate board sets up in a staggered way.
Preferably, the inner side wall of the pedestal is provided with a funnel groove, the bottom of the funnel groove is communicated with a drain pipe, and the pipe wall of the drain pipe is provided with a pipe valve.
Preferably, the section of the upper end of the fixing rod is isosceles trapezoid, and the coordinate plate is made of a metal material.
Preferably, a ball groove is formed in one end, close to the bottom of the sliding groove, of the sliding block, a ball is connected in the ball groove in a rolling mode, and one end, far away from the bottom of the ball groove, of the ball penetrates through a groove opening of the ball groove and extends outwards and is connected with the bottom of the sliding groove in a rolling mode.
Preferably, the universal wheels are installed at four corners of the bottom of the base, and brake pads are installed on the universal wheels.
(III) advantageous effects
Compared with the prior art, the invention provides a mathematical function teaching aid, which has the following beneficial effects:
the mathematical function teaching aid comprises a pedestal, a support rod, a blackboard, a side plate, a coordinate graph, a chute, a slide block, a winding roller, a pull wire, an elastic sleeve, a loop bar, a magnetic block, a fixed cylinder, a fixed hole, a fixed rod, a pull plate and a spring, before the teaching is started, the pulling plate is pulled downwards, so that the coordinate plates are not fixed and limited any more, when a plurality of coincident coordinate plates are pulled out for display, so that each coordinate plate is spread out, the fixing rod is inserted into the fixing cylinder again to fix the position of each coordinate plate, function graph is made on every coordinate graph, a plurality of function graphs can be once only shown, the contrast show of function graph can be carried out, the understanding of students is benefited, the function graph is drawn without teaching time, the classroom time is saved, the teaching quality is improved, after the coordinate plates are piled up again, a calculation formula can be written on the blackboard, and the use of teachers is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a mathematical function teaching aid according to the present invention;
FIG. 2 is a front view of a coordinate board of a mathematical function teaching aid according to the present invention;
FIG. 3 is a top view of a side plate of a mathematical function teaching aid according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 1.
In the figure: the universal wheel comprises a pedestal 1, a support rod 2, a blackboard 3, side plates 4, a coordinate plate 5, a coordinate diagram 6, a shaft rod 7X, a shaft rod 8Y, a sliding chute 9, a sliding block 10, a winding roller 11, a pull wire 12, an elastic sleeve 13, a loop bar 14, a magnetic block 15, a fixed cylinder 16, a fixed hole 17, a fixed rod 18, a pull plate 19, a spring 20, a telescopic adjusting rod 21, a base 22, a handle 23, a funnel groove 24, a drain pipe 25, a ball groove 26, balls 27 and a universal wheel 28.
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. 1-4, a mathematical function teaching aid comprises a pedestal 1, support rods 2 are symmetrically and fixedly connected in the pedestal 1, a blackboard 3 is fixedly connected at the upper ends of the two support rods 2, side plates 4 are symmetrically and fixedly connected on the vertical side wall of the blackboard 3, a plurality of coordinate plates 5 are arranged between the two side plates 4, a coordinate graph 6 is bonded on the vertical side wall of the coordinate plate 5, an X-axis rod 7 and a Y-axis rod 8 are fixedly connected on the coordinate graph 6, the X-axis rod 7 and the Y-axis rod 8 are arranged in a crossed and orthogonal manner, a plurality of sliding grooves 9 are respectively arranged on the opposite side walls of the two side plates 4, sliding blocks 10 are symmetrically and fixedly connected on the two sides of the coordinate plate 5, a plurality of sliding grooves 9 are respectively arranged on the opposite side walls of the two side plates 4, two sliding blocks 10 on the same coordinate plate 5 are slidably connected in the, a pull wire 12 is wound on the winding roller 11, an elastic sleeve 13 is fixedly connected to the other end of the pull wire 12, a T-shaped loop bar 14 is fixedly connected to the coordinate plate 5, the elastic sleeve 13 is sleeved on the loop bar 14, a plurality of magnetic blocks 15 are adsorbed on the coordinate plate 5, a fixed cylinder 16 is fixedly connected to the bottom of the coordinate plate 5, a fixed hole 17 is formed in the bottom of each sliding groove 9 on one side plate 4, a fixed rod 18 is slidably connected in the fixed hole 17, a pull plate 19 is fixedly connected to the bottom end of the fixed rod 18, a spring 20 is fixedly connected to the upper end of the pull plate 19 in a symmetrical mode relative to the fixed rod 18, the other end of the spring 20 is fixedly connected to the bottom of the corresponding side plate 4, the upper end of the fixed rod 18 penetrates through the corresponding fixed hole 17 and the cylinder 16 and extends into the fixed cylinder 16, before teaching is started, a function diagram is made on a first coordinate diagram 6, the stay wire 12 is released from the winding roller 11, the stay wire 12 is bent to form a curve, different positions of the coordinate plates 5 adsorbed by the magnetic blocks 15 are changed, the stay wire 12 is limited, the coordinate plate 6 is drawn out to form a function graph, when a plurality of coincident coordinate plates 5 need to be drawn out for display, the stay plate 19 is pulled downwards to drive the spring 20 to be stretched, the upper end of the fixed rod 18 is separated from the fixed cylinder 16, the coordinate plates 5 can be pulled to move, each coordinate plate 5 is spread out, the fixed rod 18 is inserted into the fixed cylinder 16 again to fix the position of each coordinate plate 5, then the function graphs are manufactured on the rest coordinate plates 6, the function graphs can be displayed at one time, the function graphs can be displayed in a contrasting manner, the understanding of students is facilitated, the function graphs do not need of teaching time drawing, the classroom time is saved, the teaching quality is improved, the coordinate plates 5 are re-stacked, the blackboard 3 can be written with a calculation formula, which is convenient for teachers to use.
The telescopic adjusting rods 21 are symmetrically and fixedly connected to the bottom of the pedestal 1, adjusting bolts are connected to the telescopic adjusting rods 21 through threads, the bases 22 are fixedly connected to the bottoms of the telescopic adjusting rods 21, and the lengths of the telescopic adjusting rods 21 can be adjusted, so that the height of the blackboard 3 can be adjusted, and teachers who adapt to different heights can write on the blackboard 3 conveniently.
Fixedly connected with handle 23 on the lateral wall of coordinate board 5, the crisscross setting in handle 23 position on every coordinate board 5, through handle 23, the motion of pulling coordinate board 5, easily whole coordinate board 5 stand out.
The funnel groove 24 has been seted up on the 1 inside wall of pedestal, and 24 tank bottoms intercommunication of funnel groove have blow off pipe 25, install the pipe valve on the blow off pipe 25 pipe wall, write with the chalk on the blackboard 3 for the chalk dust falls into pedestal 1, and when needing to clear up pedestal 1 inside, pours the clear water and erodees the chalk dust, and discharges sewage from blow off pipe 25.
The upper end section of the fixing rod 18 is isosceles trapezoid, so that the fixing rod 18 can be easily inserted into the fixing cylinder 16, and the coordinate plate 5 is made of a metal material.
The slider 10 has seted up ball groove 26 near the one end of spout 9 tank bottom, and the roll is connected with ball 27 in the ball groove 26, and ball 27 is kept away from the one end of ball groove 26 tank bottom and is passed the notch in ball groove 26 and outwards extend, and with spout 9 tank bottom roll connection, can reduce the frictional force between slider 10 and the spout 9, easily push and pull coordinate board 5.
In conclusion, the mathematical function teaching aid can make a function graph on a first coordinate graph 6 before a teaching session begins, take down the elastic sleeve 13 from the loop bar 14, release the pull wire 12 from the winding drum 11, bend the pull wire 12 into a curve, change the positions of the magnetic blocks 15 adsorbing the coordinate plates 5 to limit the pull wire 12, draw the function graph on the coordinate graph 6, pull the pull plate 19 downwards when a plurality of superposed coordinate plates 5 need to be drawn out for display, drive the spring 20 to be stretched, separate the upper end of the fixing rod 18 from the fixing cylinder 16, pull the coordinate plates 5 to move, spread out each coordinate plate 5, insert the fixing rod 18 into the fixing cylinder 16 again to fix the position of each coordinate plate 5, make a function graph on the rest coordinate graph 6, once display a plurality of function graphs, and compare and display the function graphs, the coordinate plate 5 is overlapped again, and then a calculation formula can be written on the blackboard 3, so that the use of a teacher is facilitated.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a mathematical function teaching aid, includes pedestal (1), its characterized in that: the blackboard comprises a pedestal (1), supporting rods (2) symmetrically and fixedly connected with the pedestal (1), a blackboard (3) fixedly connected with the upper ends of the two supporting rods (2) together, side plates (4) symmetrically and fixedly connected with the vertical side wall of the blackboard (3), a plurality of coordinate plates (5) arranged between the two side plates (4), a coordinate graph (6) adhered on the vertical side wall of each coordinate plate (5), an X shaft rod (7) and a Y shaft rod (8) fixedly connected with the coordinate graph (6), the X shaft rod (7) and the Y shaft rod (8) are arranged in a crossed and orthogonal manner, a plurality of sliding grooves (9) are respectively arranged on the opposite side walls of the two side plates (4), sliding blocks (10) on the two same coordinate plate (5) are respectively and symmetrically and fixedly connected with sliding blocks (10) on the two sides of the coordinate plate (5), a plurality of sliding grooves (9) are respectively arranged on the opposite side walls of the two side plates (4), and the two sliding blocks (10, install wire winding drum (11) on coordinate board (5), the winding has act as go-between (12) on wire winding drum (11), the other end fixedly connected with elastic sleeve (13) of act as go-between (12), the loop bar (14) of fixedly connected with T type on coordinate board (5), elastic sleeve (13) cover is established on loop bar (14), adsorb on coordinate board (5) a plurality of magnetic path (15), coordinate board (5) bottom fixedly connected with fixed cylinder (16), the tank bottom of every spout (9) on one of them curb plate (4) has all been seted up fixed orifices (17), sliding connection has dead lever (18) in fixed orifices (17), the bottom fixedly connected with arm-tie (19) of dead lever (18), arm-tie (19) upper end is about dead lever (18) symmetry fixedly connected with spring (20), the other end fixed connection of spring (20) is in corresponding curb plate (4) bottom, the upper end of the fixed rod (18) passes through the corresponding fixed hole (17) and the opening of the fixed cylinder (16) and extends into the fixed cylinder (16).
2. A mathematical function teaching aid as claimed in claim 1, wherein: pedestal (1) bottom symmetry fixedly connected with telescopic adjusting rod (21), threaded connection has adjusting bolt on telescopic adjusting rod (21), the bottom fixedly connected with base (22) of telescopic adjusting rod (21).
3. A mathematical function teaching aid as claimed in claim 1, wherein: fixedly connected with handle (23) on the lateral wall of coordinate board (5), every handle (23) position on coordinate board (5) crisscross setting.
4. A mathematical function teaching aid as claimed in claim 1, wherein: the novel sewage treatment device is characterized in that a funnel groove (24) is formed in the inner side wall of the pedestal (1), a sewage discharge pipe (25) is communicated with the bottom of the funnel groove (24), and a pipe valve is installed on the pipe wall of the sewage discharge pipe (25).
5. A mathematical function teaching aid as claimed in claim 1, wherein: the cross section of the upper end of the fixing rod (18) is isosceles trapezoid, and the coordinate plate (5) is made of a metal material.
6. A mathematical function teaching aid as claimed in claim 1, wherein: the ball groove (26) have been seted up to slider (10) one end that is close to spout (9) tank bottom, roll in ball groove (26) and be connected with ball (27), ball (27) are kept away from the notch and the outside extension of ball groove (26) to the one end of ball groove (26) tank bottom, and with spout (9) tank bottom roll connection.
7. A mathematical function teaching aid as claimed in claim 2, wherein: all install universal wheel (28) in the four corners department of base (22) bottom, all install the brake block on universal wheel (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004262.5A CN112848762A (en) | 2021-01-04 | 2021-01-04 | Mathematical function teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110004262.5A CN112848762A (en) | 2021-01-04 | 2021-01-04 | Mathematical function teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112848762A true CN112848762A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110004262.5A Pending CN112848762A (en) | 2021-01-04 | 2021-01-04 | Mathematical function teaching aid |
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| CN (1) | CN112848762A (en) |
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| US20070188475A1 (en) * | 2003-10-10 | 2007-08-16 | Nec Viewtechnology, Ltd. | Projector and projector accessory |
| CN204066511U (en) * | 2014-11-12 | 2014-12-31 | 邢方平 | A kind of mathematics teaching aid |
| CN107742444A (en) * | 2017-10-27 | 2018-02-27 | 赵顺豪 | A kind of teaching Multifunctional demonstrator |
| CN208253281U (en) * | 2018-02-01 | 2018-12-18 | 深圳市立捷装饰设计工程有限公司 | A kind of building decoration lamps and lanterns |
| CN208247811U (en) * | 2017-11-10 | 2018-12-18 | 湖南汽车工程职业学院 | A kind of blackboard for education for higher mathematics |
| CN209135744U (en) * | 2018-10-23 | 2019-07-23 | 天津恒庆都供应链有限公司 | A kind of supply chain management data storage device |
| CN209149622U (en) * | 2018-09-21 | 2019-07-23 | 亳州职业技术学院 | A kind of Mathematics and Applied Mathematics teaching aid |
| CN209610603U (en) * | 2018-11-30 | 2019-11-12 | 王振华 | A kind of pharmacy is with being protected from light shelf |
| CN209738612U (en) * | 2018-12-04 | 2019-12-06 | 李晓华 | Multifunctional mathematics teaching board |
-
2021
- 2021-01-04 CN CN202110004262.5A patent/CN112848762A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070188475A1 (en) * | 2003-10-10 | 2007-08-16 | Nec Viewtechnology, Ltd. | Projector and projector accessory |
| CN204066511U (en) * | 2014-11-12 | 2014-12-31 | 邢方平 | A kind of mathematics teaching aid |
| CN107742444A (en) * | 2017-10-27 | 2018-02-27 | 赵顺豪 | A kind of teaching Multifunctional demonstrator |
| CN208247811U (en) * | 2017-11-10 | 2018-12-18 | 湖南汽车工程职业学院 | A kind of blackboard for education for higher mathematics |
| CN208253281U (en) * | 2018-02-01 | 2018-12-18 | 深圳市立捷装饰设计工程有限公司 | A kind of building decoration lamps and lanterns |
| CN209149622U (en) * | 2018-09-21 | 2019-07-23 | 亳州职业技术学院 | A kind of Mathematics and Applied Mathematics teaching aid |
| CN209135744U (en) * | 2018-10-23 | 2019-07-23 | 天津恒庆都供应链有限公司 | A kind of supply chain management data storage device |
| CN209610603U (en) * | 2018-11-30 | 2019-11-12 | 王振华 | A kind of pharmacy is with being protected from light shelf |
| CN209738612U (en) * | 2018-12-04 | 2019-12-06 | 李晓华 | Multifunctional mathematics teaching board |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Qiqun Inventor after: Wu Mei Inventor before: Wu Mei Inventor before: Yang Qiqun |
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Application publication date: 20210528 |