CN111583728A

CN111583728A - A mathematics teaching aid for training of mathematics thinking

Info

Publication number: CN111583728A
Application number: CN202010538643.7A
Authority: CN
Inventors: 张超; 杨春志
Original assignee: Huainan Normal University
Current assignee: Huainan Normal University
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2020-08-25

Abstract

The invention belongs to the technical field of educational teaching aids, in particular to a mathematic teaching aid for mathematic thinking training, which comprises a shell, a connecting ring and a guide plate, wherein the connecting ring is arranged on the shell; the guide plate is made of transparent glass material; the cuboid structure of the shell is designed; the connecting ring is in a rectangular annular design and is matched with the shell; the guide plate is fixedly connected with the inner diameter of the connecting ring; the connecting ring is fixedly connected to the upper surface of the shell through a screw; a first cavity is formed between the guide plate and the upper surface of the shell; the guide plate is provided with a sliding groove; the sliding groove penetrates through the first cavity and extends into the shell; the sliding groove is in an I-shaped design, and four corners of the sliding groove are connected with sliding columns in a sliding mode; the invention enhances the game performance and entertainment through interactive game, effectively promotes the attraction to children, and enhances the sensitivity to numbers and the proficiency degree of numerical operation in the game process, thereby achieving the purpose of guiding the learning of the children.

Description

A mathematics teaching aid for training of mathematics thinking

Technical Field

The invention belongs to the technical field of educational teaching aids, and particularly relates to a mathematic teaching aid for mathematic thinking training.

Background

In the prior art, in order to increase the interest of children in mathematical operation, the figures are usually made into exquisite cards or toys and the like to enhance the attraction to the children, but on one hand, tools such as the cards need to be used by adults for assistance and are tempted to achieve the effect of attracting the attention of the children, and meanwhile, the fixed and unchangeable patterns of the toys such as the cards bring weaker fresh feeling to the children along with the lapse of time, the children are easy to have a bored mind.

A mathematical thinking training device issued by Chinese patent, patent number: 2018103753951, including a sealed box and a digital insert block, the left side of the sealed box is provided with a digital jack, the right side of the sealed box is opened, the sealed box is provided with a shell with an open upper end, the bottom of the sealed box is provided with a sliding slot, the bottom of the shell is fixed with a slide block opposite to the sliding slot, one end of the slide block is arranged in the sliding slot, a spring is fixed between the slide block and the sliding slot, the left side of the slide block is provided with a buckle, the left side of the sliding slot is provided with a buckle slot, one end of the buckle is inserted into the buckle slot, the left side of the sealed box is fixedly provided with a press plate through a torsion spring, the lower end of the press plate is fixedly provided with a mandril, the invention has simple structure and convenient use, and can put toys, food and the like in the shell to increase the power of children when playing digital games, but the device in the proposal, and the arrangement of single-person operation is not favorable for attracting the attention of children.

Disclosure of Invention

The invention provides a mathematic teaching aid for training mathematical thinking, which aims to make up the defects of the prior art and solve the problems that most of the existing teaching aids for guiding the mathematical thinking of children are not suitable for the children, the participation degree of most of the existing teaching aids suitable for the children is not strong, so that the teaching aids are weak in attraction to the children and are easy to bord, and meanwhile, the nature of guiding the children to think autonomously is poor.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a mathematic teaching aid for mathematic thinking training, which comprises a shell, a connecting ring and a guide plate, wherein the shell is provided with a connecting ring; the guide plate is made of transparent glass material; the cuboid structure of the shell is designed; the connecting ring is in a rectangular annular design and is matched with the shell; the guide plate is fixedly connected with the inner diameter of the connecting ring; the connecting ring is fixedly connected to the upper surface of the shell through a screw; a first cavity is formed between the guide plate and the upper surface of the shell; the guide plate is provided with a sliding groove; the sliding groove penetrates through the first cavity and extends into the shell; the sliding groove is in an I-shaped design, and four corners of the sliding groove are connected with sliding columns in a sliding mode; one ends of the sliding columns, which are positioned in the sliding grooves and close to the shell, are fixedly connected with contact blocks; the two corresponding contact blocks are clamped; second cavities are formed in the contact blocks; a rotating disc is rotationally connected in the second cavity; the opposite sides of the two corresponding rotating discs are fixedly connected with spiral lugs; the spiral lug is designed around the rotating disc for one circle; the surface of the contact block is provided with a first sliding chute; the first sliding groove is in an L-shaped design, and the first sliding groove is communicated with the second cavity; a threaded column is connected in the first sliding chute in a sliding manner; the number of turns of the thread on the threaded column is ten; one end of the threaded column, which is close to the second cavity, is fixedly connected with an extrusion plate; the side of the extrusion plate, which is close to the rotating disc, is designed in an arc shape; one side of the extrusion plate, which is far away from the rotating disc, is elastically connected with the second cavity through a spring; a second sliding groove is formed in one side, located on the first sliding groove, of the contact block; a third cavity is formed in the contact block; a driving wheel is rotatably connected in the third cavity; the second chute penetrates through the driving wheel, and a rotating tooth is fixedly connected with the hinged part of the driving wheel and the second cavity; the second sliding groove is matched with the threaded column, and the driving wheel is meshed with the threads on the surface of the threaded column through the rotating teeth; a first groove is formed in one side, close to the rotating disc, of the driving wheel; one side of the first groove, which is close to the second chute, is fixedly connected with elastic teeth which are uniformly distributed; a transmission gear is rotatably connected in the first groove through a guide rod; the rotating disc is provided with a second groove corresponding to the first groove; the side wall of the second groove is in uniform tooth-shaped design; the transmission gear extends into the second groove; the driving wheel and the rotating disc are in transmission, and the transmission ratio is 1: 10; a first through groove is formed in the sliding column; the first through groove is communicated with the first cavity; the first through groove is designed to be opened at one side of the sliding column, which is far away from the shell; a digit wheel is rotationally connected in the first through groove; the digit wheel is connected with the rotating wheel through a belt; the number wheel is equally divided into ten parts and marked with numbers; in the initial state, the number '1' on the digit wheel faces the opening of the first through groove;

in the prior art, in order to increase the interest of children in mathematical operation, the figures are usually made into exquisite cards or toys and the like to enhance the attraction to the children, but on one hand, tools such as the cards need to be used by adults for assistance and are tempted to achieve the effect of attracting the attention of the children, and meanwhile, the fixed and unchangeable patterns of the toys such as the cards bring weaker fresh feeling to the children along with the lapse of time, when the device works, two children respectively hold the two sliding columns in hand and respectively and sequentially move the sliding columns to digitally overlap, so that the sliding columns and the contact blocks slide in the sliding grooves and are in contact with one of the two sliding columns of the other child under the guide action of the guide plate, along with the mutual approach of the two sliding columns, because the two contact blocks are symmetrically designed, the spiral rod in the first sliding groove is inserted into the second sliding groove formed in the other contact block and is inserted into the driving wheel along the second sliding groove, because the rotating teeth fixedly connected with the junction of the driving wheel and the second sliding groove are mutually meshed with the threads on the threaded rod, the driving wheel fixedly connected with the rotating teeth rotates along the threads of the threaded rod in the process that the threaded rod is inserted inwards, and the rotating number of turns of the driving wheel is determined according to the distance that the threaded rod is inserted into the second sliding groove, the driving wheel rotates to enable the elastic teeth in the first groove to rotate along with the driving wheel so as to stir the transmission gear, the transmission gear is meshed with the elastic teeth and the side wall of the second groove so as to enable the rotating disc to rotate through transmission, the gear ratio between the driving wheel and the rotating disc is 1:10, namely, the driving wheel rotates for a circle to drive the rotating disc to rotate for one tenth, the spiral lug fixedly connected to the rotating disc rotates along with the rotating disc, the spiral lug extrudes the extrusion plate along with the change of the rotating angle, the extrusion plate and the spiral rod slide in the first sliding groove for different distances, the spiral rod extends for different numbers, and the spiral lug surrounds the rotating disc for a circle to automatically clear 0, the rotating disc rotates the number wheel through a belt when rotating, and the numbers represented on the number wheel change, the numbers on the digit wheel are consistent with the numbers represented by the extending distance of the spiral rod, the numbers on the digit wheel in the hands can be cleared by enabling two children to carry out digital addition and subtraction games in an active mode and a game rule respectively and thinking how to calculate, on one hand, the interest of the children in the teaching aid is promoted by the interaction of the two children, the good psychology of the children is effectively utilized, the children actively think the operations of the numbers, the children are effectively assisted to learn the addition and subtraction operations, the children actively participate in the game effectively through the particularity of the game, the children learn more familiar with the operations in the game, and meanwhile, the logic of the game can effectively exercise the logic thinking ability of the children.

Preferably, the first through groove is fixedly connected with a convex lens at an opening on the upper surface of the sliding column and is used for amplifying the number on the number wheel; the digit wheel rotates, and then makes different figures present, and the during operation, convex lens utilize the optics principle to enlarge the number, and then promote the convenient to use nature of teaching aid effectively, and child to the sensitive degree of digit can be strengthened to the digit of enlargeing simultaneously, and then makes the child of primary school digital knowledge more sensitive to the digit, and then strengthens child to the understanding degree of mathematical knowledge.

Preferably, the opposite sides of the transmission gears in the two correspondingly designed contact blocks are fixedly connected with first magnet blocks; one end of the sliding groove, which is positioned on the shell, is fixedly connected with a second magnet block corresponding to the first magnet block; the like magnetic poles of the first magnet block and the second magnet block correspond to each other; the spring in the first groove is designed to push the transmission gear to slide on the guide rod; because the corresponding screw rods of the two contact blocks are inserted into the corresponding second sliding grooves in the mutual contact process, therefore, the numbers on the two number wheels are operated at the same time, which is not in line with the game rule that the operation can be performed only once at the same time, and when in work, when the sliding block and the contact block are positioned at the end points of the sliding groove, the second magnet block fixedly connected in the sliding groove interacts with the first magnet block in the contact block, so that the transmission gear extrudes the spring and compresses the spring into the first groove, the transmission between the driving wheel and the rotating disc is disconnected, the rotating disc cannot be driven to rotate when the screw rod is inserted into the second chute, so that the digit wheel in the end point of the sliding groove is not changed, and only the digit wheel in the sliding column moved by the operator is changed in operation, thereby effectively enhancing the simplicity of the game and avoiding the difficulty of understanding by the toddlers who learn math knowledge and further generating the retreat psychology of the toddlers due to the excessively complex game process.

Preferably, the elastic teeth are made of elastic metal sheets and have unidirectional transmission capacity; the during operation, the hob inserts and drives the action wheel rotation in the second spout, and then make rolling disc and digital wheel take place to rotate through drive gear's transmission, and then make the digit change, simultaneously when the hob withdraws from outside to the second spout, the action wheel carries out reverse motion under the drive of hob, because the elastic tooth makes for the elastic metal piece, reverse pivoted elastic tooth can't form the driving force to drive gear and carry out reverse pivoted action wheel and can not drive rolling disc and digital wheel and rotate, and then avoid when the slip post returns the journey and resets, lead to rolling disc and digital wheel reversal, lead to the operation rule confusion.

Preferably, two side walls of the shell at the four ends of the sliding groove are provided with third grooves; an extrusion rod is hinged in the third groove; a limiting block is rotatably connected to the third groove at a position close to the hinge point of the extrusion rod; the limiting block is connected with the extrusion rod through a spring; the limiting block is connected with the third groove through a spring; the limiting block is used for limiting the extrusion rod by moving the contact block; the contact block is provided with an extrusion groove corresponding to the third groove; the during operation, slide the post and produce the extrusion to the stopper when contacting the piece and outwards moving, remove, and then make the stopper produce limiting action to the stripper bar, and then make the stripper bar shrink into in the third recess, and when sliding the post and contacting the piece return and resetting, extrude the stopper again, promote, and then make the stopper take place to rotate, make the stopper cancel the limiting action of stripper bar, the stripper bar receives spring force effect to rotate to the extrusion inslot, and form the extrusion force to the extrusion inslot, it is fixed to make to contact the piece, and then avoid the fast interact power of first magnet piece and second magnet to make the contact fast and slide the post production displacement effectively.

Preferably, the first cavity is internally provided with uniformly distributed colored lamps and small sound boxes; the four corners of the connecting ring corresponding to the sliding grooves are fixedly connected with switch columns; the sliding columns are provided with conduction grooves corresponding to the switch columns; a convex rod is fixedly connected to one side of the number wheel, which is close to the conduction groove, and the convex rod is aligned with the central shaft of the conduction groove when the number '0' on the number wheel is upward; during operation, when digit "0" when up on the digit wheel, the nose bar aligns with the conduction groove, and then makes contact piece and slip post return reset in-process to the switch post formation extrusion force, and then the shrink through the switch post, opens the power of color lamp and little stereo set, and then strengthens the interest of recreation, makes the appeal of mathematics teaching aid to the contract stronger.

The invention has the following beneficial effects:

1. the invention relates to a mathematic teaching aid for mathematic thinking training, which is characterized in that sliding columns and digit wheels are arranged, children manually push the sliding columns, so that contact blocks connected below the two sliding columns are contacted, a screw rod in a first sliding chute is inserted into a second sliding chute arranged on the other contact block and is inserted into a driving wheel along the second sliding chute, the driving wheel fixedly connected with rotating teeth rotates along the screw threads of the screw rod in the process that the screw rod is inserted inwards, the rotating number of turns of the driving wheel is determined according to the distance of the screw rod inserted into the second sliding chute, the driving wheel rotates to enable elastic teeth in a first groove to rotate along with the driving wheel to stir a transmission gear, the transmission gear is meshed with the elastic teeth and the side wall of a second groove to enable the rotating disc to rotate through transmission, and digits are automatically superposed, after ten times, the game is automatically subtracted, the attraction to the child is effectively improved through an interactive game mode, the sensitivity to numbers and the proficiency degree of numerical operation are increased in the game process, and therefore the purpose of guiding the child to learn is achieved.

2. According to the mathematical teaching aid for mathematical thinking training, the colored lamps, the small sound, the switch columns, the extrusion rods and the limiting blocks are arranged, so that the precision of digital superposition is effectively improved, the disordered digital superposition is avoided, and meanwhile, the attractive force to children is effectively enhanced by releasing the colored lamps with reward properties and music, and the interest of the children in learning mathematical knowledge is assisted.

Drawings

The invention will be further explained with reference to the drawings.

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

FIG. 2 is a front view of the moving post;

FIG. 3 is an internal construction view of a moving column;

FIG. 4 is a partial cross-sectional view taken at A-A of FIG. 1;

FIG. 5 is a partial cross-sectional view taken at B-B of FIG. 2;

FIG. 6 is an enlarged view of a portion of FIG. 4 at C;

in the figure: the device comprises a shell 1, a connecting ring 2, a guide plate 3, a sliding groove 4, a sliding column 41, a contact block 42, a rotating disc 43, a spiral lug 44, a threaded column 45, a squeezing plate 46, a driving wheel 5, rotating teeth 51, elastic teeth 52, a transmission gear 53, a second groove 54, a digit wheel 55, a first magnet block 56, a second magnet block 57, a convex lens 6, a squeezing rod 7, a limiting block 71 and a switch column 8.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the math teaching aid for math thinking training of the present invention comprises a housing 1, a connecting ring 2 and a guide plate 3; the guide plate 3 is made of transparent glass material; the shell 1 is designed into a cuboid structure; the connecting ring 2 is in a rectangular annular design, and the connecting ring 2 is matched with the shell 1; the guide plate 3 is fixedly connected with the inner diameter of the connecting ring 2; the connecting ring 2 is fixedly connected to the upper surface of the shell 1 through a screw; a first cavity is formed between the guide plate 3 and the upper surface of the shell 1; the guide plate 3 is provided with a sliding groove 4; the sliding groove 4 penetrates through the first cavity and extends into the shell 1; the sliding groove 4 is in an I-shaped design, and four corners of the sliding groove 4 are connected with sliding columns 41 in a sliding mode; one end of the sliding column 41, which is positioned in the sliding groove 4 and close to the inside of the shell 1, is fixedly connected with a contact block 42; the two corresponding contact blocks 42 are clamped; a second cavity is formed in each contact block 42; a rotating disc 43 is rotationally connected in the second cavity; the opposite sides of the two corresponding rotating discs 43 are fixedly connected with spiral lugs 44; the helical projection 44 is designed around the rotating disc 43; the surface of the contact block 42 is provided with a first sliding chute; the first sliding groove is in an L-shaped design, and the first sliding groove is communicated with the second cavity; a threaded column 45 is connected in the first sliding chute in a sliding manner; the number of turns of the thread on the threaded column 45 is ten; one end of the threaded column 45 close to the second cavity is fixedly connected with an extrusion plate 46; the extruding plate 46 is designed into a circular arc shape at one side close to the rotating disc 43; the side of the extrusion plate 46, which is far away from the rotating disc 43, is elastically connected with the second cavity through a spring; a second sliding groove is formed in one side, located on the first sliding groove, of the contact block 42; a third cavity is formed in the contact block 42; a driving wheel 5 is rotationally connected in the third cavity; the second chute penetrates through the driving wheel 5, and a rotating tooth 51 is fixedly connected at the hinged position of the driving wheel 5 and the second cavity; the second sliding groove is matched with the threaded column 45, and the driving wheel 5 is meshed with the surface threads of the threaded column 45 through the rotating teeth 51; a first groove is formed in one side, close to the rotating disc 43, of the driving wheel 5; one side of the first groove, which is close to the second chute, is fixedly connected with elastic teeth 52 which are uniformly distributed; a transmission gear 53 is rotatably connected in the first groove through a guide rod; the rotating disc 43 is provided with a second groove 54 corresponding to the first groove; the side wall of the second groove 54 is in a uniform tooth-shaped design; the transmission gear 53 extends into the second groove 54; the driving wheel 5 and the rotating disc 43 are in transmission, and the transmission ratio is 1: 10; a first through groove is formed in the sliding column 41; the first through groove is communicated with the first cavity; the first through groove is designed to be opened at one side of the sliding column 41 away from the shell 1; a number wheel 55 is rotationally connected in the first through groove; the digit wheel 55 is connected with the rotating wheel through a belt; the number wheel 55 is equally divided into ten parts and marked with numbers; in the initial state, the number "1" on the digit wheel 55 is open to the first through groove;

in the prior art, in order to increase the interest of children in mathematical operation, the figures are usually made into exquisite cards or toys and the like to enhance the attraction to the children, but on one hand, tools such as the cards need to be used by adults for assistance and are tempted to achieve the effect of attracting the attention of the children, and meanwhile, the fixed and unchangeable patterns of the toys such as the cards bring weaker fresh feeling to the children along with the lapse of time, when the children easily feel bored, two children respectively hold the two sliding columns 41 and respectively and sequentially move the sliding columns 41 to digitally overlap, so that the sliding columns 41 and the contact blocks 42 slide in the sliding grooves 4 and are in contact with one of the two sliding columns 41 of the other child under the guiding action of the guide plate 3, along with the mutual approach of the two sliding columns 41, because the two contact blocks 42 are symmetrically designed, the screw rod in the first sliding groove is inserted into the second sliding groove formed in the other contact block 42 and is inserted into the driving wheel 5 along the second sliding groove, because the rotating teeth 51 fixedly connected with the junction of the driving wheel 5 and the second sliding groove are mutually meshed with the threads on the threaded rod, the driving wheel 5 fixedly connected with the rotating teeth 51 rotates along the threads in the process of inserting the threaded rod inwards, and the number of turns of the rotating driving wheel 5 is determined according to the distance of the threaded rod inserted into the second sliding groove, the driving wheel 5 rotates to enable the elastic teeth 52 in the first groove to rotate along with the driving wheel 5 so as to stir the transmission gear 53, the transmission gear 53 is meshed with the elastic teeth 52 and the side wall of the second groove 54 so as to enable the rotating disc 43 to rotate through transmission, the gear ratio between the driving wheel 5 and the rotating disc 43 is 1:10, namely the driving wheel 5 rotates for a circle to drive the rotating disc 43 to rotate for one tenth, the spiral lug 44 fixedly connected to the rotating disc 43 rotates along with the rotating disc 43, the spiral lug 44 extrudes the extrusion plate 46 along with the change of the rotating angle, the extrusion plate 46 and the spiral rod slide for different distances in the first sliding groove, so that the extending distance of the spiral rod represents different numbers, meanwhile, the spiral lug 44 surrounds the rotating disc 43 for a circle to enable the numbers to be automatically cleared by 0, and the number wheel 55 rotates through a belt when the rotating disc 43 rotates, the numbers represented on the digital wheel 55 are changed, the numbers on the digital wheel 55 are consistent with the numbers represented by the extending distance of the screw rod, the numbers on the digital wheel 55 in the hands can be cleared by enabling two children to play digital addition and subtraction games in an active mode and a game rule respectively and thinking how to calculate respectively, on one hand, the two children interact with each other to improve the interest of the children in teaching aids, the winning psychology of the children is effectively utilized, the children actively think about the operations of the numbers, the children are effectively assisted to learn addition and subtraction operations, the children actively participate in the operations effectively through the particularity of the games, the children learn more familiar with the operations in the game, and the logic of the game can effectively exercise the logic thinking ability of the children.

As an embodiment of the present invention, the first through groove is located at an opening of the upper surface of the sliding column 41 and fixedly connected with a convex lens 6 for performing an amplification design on the numbers on the number wheel 55; digit wheel 55 rotates, and then makes different figures present, and during operation, convex lens 6 utilizes the optics principle to enlarge the figure, and then promotes the convenient to use nature of teaching aid effectively, and the sensitive degree of child to the figure can be strengthened to the figure of enlargeing simultaneously, and then makes the child of primary school digital knowledge more sensitive to the figure, and then strengthens child's understanding degree to mathematical knowledge.

As an embodiment of the present invention, the first magnet block 56 is fixedly connected to the opposite sides of the transmission gear 53 in the two correspondingly designed contact blocks 42; the sliding groove 4 is positioned at one end of the shell 1 and fixedly connected with a second magnet block 57 corresponding to the first magnet block 56; the first magnet block 56 and the second magnet block 57 correspond to each other in the same magnetic pole; the spring in the first groove is designed to push the transmission gear 53 to slide on the guide rod; because the corresponding screw rods of the two contact blocks 42 are inserted into the corresponding second sliding grooves in the mutual contact process, the numbers on the two digit wheels 55 are operated simultaneously, which is not in line with the game rule that the operation can be performed only once, when the sliding block and the contact blocks 42 are positioned at the end point of the sliding groove 4 in work, the second magnet block 57 fixedly connected in the sliding groove 4 and the first magnet block 56 in the contact block 42 are interacted, so that the transmission gear 53 extrudes the spring and is compressed into the first groove, the transmission between the driving wheel 5 and the rotating disc 43 is disconnected, the screw rods are inserted into the second sliding grooves and cannot drive the rotating disc 43 to rotate, the digit wheels 55 positioned in the end point of the sliding groove 4 are not changed, and only the digit wheels 55 in the sliding column 41 moved by an operator are changed in operation, thereby effectively enhancing the simplicity of the game, the problem that the game process is too complex, so that the children who learn mathematics knowledge difficultly understand the game process, and the children feel the retreat psychology is avoided.

As an embodiment of the present invention, the elastic teeth 52 are made of elastic metal sheets, and have a unidirectional transmission capability; the during operation, the hob inserts and drives action wheel 5 and rotate in the second spout, and then make rolling disc 43 and digit wheel 55 take place to rotate through drive gear 53's transmission, and then make the digit change, simultaneously when the hob withdraws from outside the second spout, action wheel 5 carries out reverse motion under the drive of hob, because elastic tooth 52 makes for the elastic metal piece, reverse pivoted elastic tooth 52 can't form the driving force to drive gear 53 and make reverse pivoted action wheel 5 can not drive rolling disc 43 and digit wheel 55 and rotate, and then avoid when sliding column 41 returns the journey and resets, lead to rolling disc 43 and digit wheel 55 reversal, lead to the operation rule confusion.

As an embodiment of the present invention, two side walls of the housing 1 at four ends of the sliding groove 4 are both provided with third grooves; an extrusion rod 7 is hinged in the third groove; a limiting block 71 is rotatably connected to the third groove at the hinge point close to the extrusion rod 7; the limiting block 71 is in spring connection with the extrusion rod 7; the limiting block 71 is connected with the third groove through a spring; the limiting block 71 is used for limiting the extrusion rod 7 by moving the contact block 42; the contact block 42 is provided with an extrusion groove corresponding to the third groove; during operation, slide post 41 and contact piece 42 produce the extrusion to stopper 71 during the outside motion, remove, and then make stopper 71 produce limiting action to extrusion stem 7, and then make extrusion stem 7 shrink go into in the third recess, and when slide post 41 and contact piece 42 return reset, extrude stopper 71 again, promote, and then make stopper 71 take place to rotate, make stopper 71 cancel the limiting action of extrusion stem 7, extrusion stem 7 receives spring force effect to rotate to the extrusion inslot, and form the extrusion force to the extrusion inslot, it is fixed to make contact piece 42, and then avoid the fast interact power of first magnet piece 56 and second magnet to make the contact fast and slide post 41 produce the displacement effectively.

As an embodiment of the invention, the first cavity is internally provided with a color lamp and a small sound box which are uniformly distributed; four corners of the connecting ring 2 corresponding to the sliding groove 4 are fixedly connected with switch columns 8; the sliding columns 41 are provided with conduction grooves corresponding to the switch columns 8; a convex rod is fixedly connected to one side, close to the conduction groove, of the digit wheel 55, and the convex rod is aligned with the central shaft of the conduction groove when the digit '0' on the digit wheel 55 faces upwards; during operation, when digit "0" when up on digit wheel 55, the projecting rod aligns with the conduction groove, and then makes contact piece 42 and slip post 41 return and reset the in-process and form the extrusion force to switch post 8, and then through the shrink of switch post 8, opens the power of color lamp and little stereo set, and then strengthens the interest of recreation, makes the appeal of mathematics teaching aid to the contract stronger.

The specific working process is as follows:

when the working, two children respectively hold the two sliding columns 41 by hands and respectively and sequentially move the sliding columns 41 to carry out digital superposition, so that the sliding columns 41 and the contact blocks 42 slide in the sliding grooves 4 and are in contact with one of the two sliding columns 41 of the other child under the guiding action of the guiding plate 3, along with the mutual approaching of the two sliding columns 41, because of the symmetrical design of the two contact blocks 42, the screw rod in the first sliding groove is inserted into the second sliding groove arranged on the other contact block 42 and is inserted into the driving wheel 5 along the second sliding groove, because the rotating teeth 51 fixedly connected with the junction of the driving wheel 5 and the second sliding groove are mutually engaged with the threads on the threaded rod, the driving wheel 5 fixedly connected with the rotating teeth 51 rotates along the threads of the threaded rod in the process that the threaded rod is inserted inwards, and the rotating number of the driving wheel 5 is determined according to the distance that the threaded rod is inserted into the second sliding groove, the driving wheel 5 rotates to enable the elastic teeth 52 in the first groove to rotate along with the driving wheel 5 so as to stir the transmission gear 53, the transmission gear 53 is meshed with the elastic teeth 52 and the side wall of the second groove 54 so as to enable the rotating disc 43 to rotate through transmission, the gear ratio between the driving wheel 5 and the rotating disc 43 is 1:10, namely the driving wheel 5 rotates for a circle to drive the rotating disc 43 to rotate for one tenth, the spiral lug 44 fixedly connected to the rotating disc 43 rotates along with the rotating disc 43, the spiral lug 44 extrudes the extrusion plate 46 along with the change of the rotating angle, the extrusion plate 46 and the spiral rod slide for different distances in the first sliding groove, so that the extending distance of the spiral rod represents different numbers, meanwhile, the spiral lug 44 surrounds the rotating disc 43 for a circle to enable the numbers to be automatically cleared by 0, and the number wheel 55 rotates through a belt when the rotating disc 43 rotates, thereby changing the number represented on the number wheel 55.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mathematics teaching aid for training of mathematics thinking which characterized in that: comprises a shell (1), a connecting ring (2) and a guide plate (3); the guide plate (3) is made of transparent glass material; the shell (1) is designed into a cuboid structure; the connecting ring (2) is designed in a rectangular annular shape, and the connecting ring (2) is matched with the shell (1); the guide plate (3) is fixedly connected with the inner diameter of the connecting ring (2); the connecting ring (2) is fixedly connected to the upper surface of the shell (1) through a screw; a first cavity is formed between the guide plate (3) and the upper surface of the shell (1); the guide plate (3) is provided with a sliding groove (4); the sliding groove (4) penetrates through the first cavity and extends into the shell (1); the sliding groove (4) is in an I-shaped design, and four corners of the sliding groove (4) are connected with sliding columns (41) in a sliding mode; one end of the sliding column (41) which is positioned in the sliding groove (4) and close to the inner side of the shell (1) is fixedly connected with a contact block (42); the two corresponding contact blocks (42) are in clamping design; second cavities are formed in the contact blocks (42); a rotating disc (43) is rotationally connected in the second cavity; the opposite sides of the two corresponding rotating discs (43) are fixedly connected with spiral convex blocks (44); the helical cam (44) is designed around the rotating disc (43); a first sliding groove is formed in the surface of the contact block (42); the first sliding groove is in an L-shaped design, and the first sliding groove is communicated with the second cavity; a threaded column (45) is connected in the first sliding chute in a sliding manner; the number of turns of the thread on the threaded column (45) is ten; one end of the threaded column (45) close to the second cavity is fixedly connected with a squeezing plate (46); the side, close to the rotating disc (43), of the extrusion plate (46) is designed into an arc shape; one side of the extrusion plate (46) far away from the rotating disc (43) is elastically connected with the second cavity through a spring; a second sliding groove is formed in one side, located on the first sliding groove, of the contact block (42); a third cavity is formed in the contact block (42); a driving wheel (5) is rotationally connected in the third cavity; the second chute penetrates through the driving wheel (5), and a rotating tooth (51) is fixedly connected with the hinged part of the driving wheel (5) and the second cavity; the second sliding groove is matched with the threaded column (45), and the driving wheel (5) is meshed with the surface threads of the threaded column (45) through the rotating teeth (51); a first groove is formed in one side, close to the rotating disc (43), of the driving wheel (5); one side of the first groove, which is close to the second sliding chute, is fixedly connected with elastic teeth (52) which are uniformly distributed; a transmission gear (53) is rotatably connected in the first groove through a guide rod; the rotating disc (43) is provided with a second groove (54) corresponding to the first groove; the side wall of the second groove (54) is in a uniform tooth-shaped design; the transmission gear (53) extends into the second groove (54); the driving wheel (5) and the rotating disc (43) are in transmission, and the transmission ratio is 1: 10; a first through groove is formed in the sliding column (41); the first through groove is communicated with the first cavity; the first through groove is designed to be opened at one side, away from the shell (1), of the sliding column (41); a number wheel (55) is rotationally connected in the first through groove; the digit wheel (55) is connected with the rotating wheel through a belt; the number wheel (55) is equally divided into ten parts and marked with numbers; in the initial state, the number '1' on the number wheel (55) is opened towards the first through groove.

2. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: the first through groove is located at an opening of the upper surface of the sliding column (41) and fixedly connected with a convex lens (6) for amplifying the numbers on the number wheel (55).

3. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: correspondingly designed first magnet blocks (56) are fixedly connected to the opposite sides of the transmission gears (53) in the two contact blocks (42); one end of the sliding groove (4) positioned on the shell (1) is fixedly connected with a second magnet block (57) corresponding to the first magnet block (56); the first magnet block (56) and the second magnet block (57) correspond to each other in the same magnetic pole; the spring in the first groove is designed to push the transmission gear (53) to slide on the guide rod.

4. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: the elastic teeth (52) are made of elastic metal sheets and have unidirectional transmission capacity.

5. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: two side walls of the shell (1) at the four ends of the sliding groove (4) are provided with third grooves; an extrusion rod (7) is hinged in the third groove; a limiting block (71) is rotatably connected to the third groove at a hinge point close to the extrusion rod (7); the limiting block (71) is connected with the extrusion rod (7) through a spring; the limiting block (71) is connected with the third groove through a spring; the limiting block (71) is used for limiting the extrusion rod (7) by moving the contact block (42); and the contact block (42) is provided with an extrusion groove corresponding to the third groove.

6. A math teaching aid for mathematical thinking training according to claim 1, which is characterized in that: the first cavity is internally provided with uniformly distributed colored lamps and small sound boxes; four corners of the connecting ring (2) corresponding to the sliding groove (4) are fixedly connected with switch columns (8); the sliding column (41) is provided with a conduction groove corresponding to the switch column (8); and a convex rod is fixedly connected to one side of the digit wheel (55) close to the conduction groove, and the convex rod is aligned with the central shaft of the conduction groove when the digit '0' on the digit wheel (55) faces upwards.