CN113487941A

CN113487941A - Preschool education display teaching aid and operation method

Info

Publication number: CN113487941A
Application number: CN202110922754.2A
Authority: CN
Inventors: 陈红梅; 闫瑞峰; 苏夜萍
Original assignee: Individual
Current assignee: Jiamusi University
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-10-08
Anticipated expiration: 2041-08-12
Also published as: CN113487941B

Abstract

A preschool education display teaching aid and an operation method thereof comprise a collecting box, an inclined plane, a base, a guide column, a guide hole, a plus hole, an equal-number hole, a blocking hole, a blanking column, a blanking hole, a first hole, a second hole, a third hole, a fourth hole, a fifth hole, a sixth hole, a seventh hole, an eighth hole, a ninth hole, a key board, a zero-number key hole, a first key hole, a second key hole, a third key hole, a fourth key hole, a fifth key hole, a sixth key hole, a seventh key hole, an eighth key hole, a ninth key hole, a key, a button, a number, a push plate, a front baffle plate, a rear baffle plate insert sheet, a key, a plus button, an equal-number button, a rack, a hopper, a spiral bulge, a lower opening, a gear and a glass ball, the inside inclined plane that has of collection box, collection box upper portion fixed connection base, the base left side has the keypad, and the keypad right side has the blanking post, has the blanking hole in the middle of the blanking post.

Description

Preschool education display teaching aid and operation method

Technical Field

The invention relates to the field of teaching aids, in particular to a preschool education display teaching aid and an operation method.

Background

In the preschool children education process, lack a teaching aid that accords with children's thinking characteristics, especially mathematics education because preschool children still do not possess abstract thinking's ability, can not contact and understand to the corresponding relation of digit and matter quantity yet, need a teaching aid to cultivate their this ability.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a preschool education display teaching aid and an operation method.

The purpose of the invention is realized by the following technical scheme:

a preschool education display teaching aid and an operation method thereof comprise a collecting box, an inclined plane, a base, a guide column, a guide hole, a number adding hole, a number waiting hole, a blocking hole, a blanking column, a blanking hole, a first hole, a second hole, a third hole, a fourth hole, a fifth hole, a sixth hole, a seventh hole, an eighth hole, a ninth hole, a key board, a zero key hole, a first key hole, a second key hole, a third key hole, a fourth key hole, a fifth key hole, a sixth key hole, a seventh key hole, an eighth key hole, a ninth key hole, a key, a button, a number, a push plate, a front baffle, a rear baffle inserting sheet, a key, a number adding button, an equal button, a rack, a hopper, a spiral bulge, a lower opening, a gear and a glass ball, wherein the inner part of the collecting box is provided with the inclined plane, the upper part of the collecting box is fixedly connected with the base, the left side of the base is provided with the key board, the blanking column is arranged on the right side of the key board, the blanking column is provided with the blanking column in the middle of the blanking column, the blanking column is provided with a nine-number hole, an eight-number hole, a seven-number hole, a six-number hole, a five-number hole, a four-number hole, a three-number hole, a two-number hole, a one-number hole and a blocking hole in sequence from top to bottom, two sides of the blanking column are respectively provided with 2 symmetrical guide columns, the middle of each guide column is provided with a guide hole, the middle of the key board is provided with a zero-number key hole, a first-number key hole, a third-number key hole, a five-number key hole, a seven-number key hole, a nine-number key hole, an eight-number key hole, a six-number key hole, a fourth-number key hole and a second-number key hole in sequence along the circumferential direction, the lower part of the key board is provided with a plus-number hole and an equal-number hole, the zero-number key hole, the first-number key hole, the second-number key hole, the third-number key hole, the four-number key hole, the five-number key hole, the six-number key hole, the seven-number key hole, the eight-number key hole and the nine-number key hole are respectively provided with corresponding number keys, the 10 keys, the rear end is provided with a push plate, the rear end of each push plate is provided with different sizes, the push plate size has the difference according to the distance size of the inboard edge of baffle before the button is relative, and the structure is the same, and the button front end has the button, has the numeral in the middle of the button.

The button front portion has the number of adding button, wait for the number of buttons, number of adding button sliding connection number of adding hole, number of waiting button sliding connection number of waiting hole, number of adding button sets up the spring in the number of waiting button outside respectively, the spring housing is at the number of adding button, the outside of waiting button, the spring is placed respectively between keypad and number of adding button, between keypad and the number of waiting button, the button rear portion has the connecting rod, the connecting rod rear portion has the horizontal pole, horizontal pole upper portion has the pole setting, pole setting upper portion has the rack, the rack inboard sets up the hopper, the hopper outside has the gear, rack and gear engagement, the spiral is protruding in the middle of the hopper, the hopper lower part has the end opening, the inside blanking post that sets up of end opening, the end opening is rotated and is connected the blanking post, the blanking post rotates in the end opening.

The key slides in the zero key hole, the first key hole, the second key hole, the third key hole, the fourth key hole, the fifth key hole, the sixth key hole, the seventh key hole, the eighth key hole and the ninth key hole respectively, a spring is arranged on the outer side of the key and sleeved on the key and arranged between the key plate and the button, a front baffle is arranged on the right side of the push plate and arranged on two sides of the base, a front baffle square shaft is arranged in the middle of the front baffle and slidably connected with the guide hole, the front baffle square shaft slides in the guide hole, a front baffle spring is arranged on the outer side of the front baffle square shaft and sleeved on the front baffle square shaft, the front baffle spring is arranged between the front baffle and the guide column, a rear baffle is arranged on the right side of the base, the end surface of the rear baffle is provided with 2 rear baffle square holes which are symmetrically arranged, a rear baffle inserting piece is arranged on the inner side of the rear baffle, the front baffle square shaft is fixedly connected with the rear baffle square holes respectively, the back baffle inserting piece is connected with the blocking hole in a sliding mode and slides in the blocking hole.

The numbers correspond to 9, 8, 7, 6, 5, 4, 3, 2, 1 and 0 respectively, each key corresponds to 1 number, and the keys comprise a nine-number key, an eight-number key, a seven-number key, a six-number key, a five-number key, a four-number key, a three-number key, a two-number key, a one-number key and a zero-number key.

The nine keys are slidably connected with the nine key holes, the eight keys are slidably connected with the eight key holes, the seven keys are slidably connected with the seven key holes, the six keys are slidably connected with the six key holes, the five keys are slidably connected with the five key holes, the four keys are slidably connected with the four key holes, the three keys are slidably connected with the three key holes, the two keys are slidably connected with the two key holes, the first keys are slidably connected with the first key holes, and the zero keys are slidably connected with the zero key holes.

Nine inserted sheet sliding connection nine holes of No. nine buttons, eight holes of inserted sheet sliding connection eight of No. eight buttons, seven holes of inserted sheet sliding connection seven of No. seven buttons, six holes of inserted sheet sliding connection six of No. six buttons, five holes of inserted sheet sliding connection five of No. five buttons, four holes of inserted sheet sliding connection four of No. four buttons, three holes of inserted sheet sliding connection three of No. three buttons, two holes of inserted sheet sliding connection two of No. two buttons, one hole of inserted sheet sliding connection one of a button.

An operation method of a preschool education display teaching aid comprises the following steps:

before use, each button is in a reset rotating state, the rear baffle inserting piece is inserted into the blocking hole, the lower outlet of the blanking hole is blocked by the rear baffle inserting piece, and the blanking hole is filled with glass balls from top to bottom;

secondly, when addition operation is carried out, a first addend button, a plus button, a second addend button and a "=" button are pressed in sequence, when the first addend button is pressed, the example of pressing the addend 9 is taken as an example, when a ninth button is pressed, the ninth button moves rightwards, the inserting sheet is gradually inserted into the ninth hole, a front baffle plate on the rear side is pushed rightwards by a push plate, the front baffle plate drives a rear baffle plate to move rightwards, the inserting sheet of the rear baffle plate is gradually separated from the blocking hole, the inserting sheet is inserted into the ninth hole and is separated from the inserting sheet of the rear baffle plate synchronously, in the process of inserting the inserting sheet into the ninth hole, 9 glass balls on the lower portion of the ninth hole are blocked on the lower portion of the inserting sheet, the glass balls on the upper portion of the inserting sheet are held by the inserting sheet, and the 9 glass balls on the lower portion of the inserting sheet are still held by the inserting sheet of the rear baffle plate;

thirdly, when the insert is completely inserted into the No. nine hole, the blocking hole is completely separated from the insert of the rear baffle plate, at the moment, 9 glass balls at the lower part of the insert can sequentially flow out of the blanking hole under the action of gravity, the glass balls at the upper part of the insert cannot fall down, when the No. nine button is released, the key returns under the action of the spring, the insert is separated from the No. nine hole, the front baffle plate returns under the action of the spring of the front baffle plate, the insert of the rear baffle plate is inserted into the blocking hole, and at the moment, the glass balls can fall into the blanking hole again under the action of gravity;

step four, pressing other number keys in a similar way, enabling the glass balls with corresponding number to flow out of the blanking hole, when a zero button is pressed, enabling no action to occur, and enabling no glass balls to flow out;

and fifthly, when a second addend button is pressed, the process is the same as that of the first addend action, when an equal-sign button is pressed, the actual action is the same as that of the addend button, the first addend button, the plus button, the second addend button and the "=" button are pressed, the glass balls in the inclined plane can be counted, and at the moment, 1 addition operation is completed. The invention can simulate the operation of 10 or more internal additions, is visual, corresponds to real objects and numbers, accords with the thinking characteristics of preschool children, and is simple and practical.

Has the advantages that:

the collecting box is internally provided with an inclined plane, the collecting box collects glass beads falling from the upper part, the glass beads falling from the upper part roll down along the inclined plane, and the number of the falling glass beads can be counted. When the button is pressed down, the key moves forwards, the corresponding spring is compressed, the button is released, and the key is reset under the left and right sides of the spring. When the button moved to the right side, the push pedal promoted preceding baffle and moved to the right side, and preceding baffle spring is compressed, and when the preceding baffle was released, preceding baffle reset under preceding baffle spring action. When the front baffle moves rightwards, the rear baffle is driven to move rightwards, and the rear baffle inserting piece is separated from the blocking hole.

The 10 keys are uniformly arranged in the circumferential direction of the key board, the ninth key, the seventh key, the fifth key, the third key and the first key are arranged on the rear half circumference of the key board and correspond to the front baffle on the rear side, the front baffle on the rear side is pushed by pressing the keys, the eighth key, the sixth key, the fourth key, the second key and the zero key are arranged on the front half circumference, the front baffle on the front side is pushed by pressing the keys, and the arrangement ensures that the 10 keys cannot be overlapped or interfered in space, and the front baffle can be pushed independently by pressing each key.

When the push plate pushes the corresponding front baffle, the front baffle pushes the rear baffle, and the rear baffle drives the rear baffle insert to be separated from the blocking hole.

When the plus button or the equal-number button is released, the button is reset to drive the gear to rotate reversely, and the glass ball is driven to rotate under the drive of the spiral protrusion, so that the glass ball moves downwards and moves downwards.

The key penetrates through the blocking hole and slides in the blocking hole, the cross section of the key is square, so that the key is not easy to deviate in the sliding process in the blocking hole, the angle of the key relative to the blocking hole is limited, the key is kept vertical to the blocking hole, the key can be horizontally arranged, the spring is compressed to support the key, the stress of the key is uniform in the circumferential direction, the integral balance of the key is kept, the friction force between the key and the blocking hole is reduced, the key is not easy to shake or deviate, the angle between the push plate and the front baffle is determined, the contact area between the push plate and the front baffle is increased, the stress of the front baffle is stable, and the possibility that the front baffle shakes due to the deviation of the push plate is reduced. Therefore, the influence of the front baffle on the overall movement of the key is reduced, the positioning between the inserting sheet and the blanking column is accurate, the inserting sheet can be accurately inserted into the blanking column, the generation of collision and friction is reduced, and the key cannot be blocked in the sliding process.

The square shafts of the front baffles on the two sides are fixed on the rear baffle, the front baffles on the two sides can synchronously slide relative to the base, the front baffle square shafts slide in the guide holes, so that the angles of the front baffle and the rear baffle are kept unchanged in the sliding process, the front baffle and the rear baffle can synchronously move, collision and blockage between the front baffle square shafts and the guide columns are reduced, meanwhile, the inserting sheets and the inserting sheets of the rear baffle cannot reciprocate due to shaking, excessive falling of glass balls cannot be caused, the number of falling glass balls is accurate, and the calculation result is accurate.

According to the invention, the rack is meshed with the gear through the insections, the rack can assist the hopper to keep balance, so that the axis position of the hopper is kept unchanged, the hopper is accurately positioned and stably rotates, the hopper is not easy to deviate or shake, the occurrence of glass ball blockage is reduced, the glass balls in the blanking column can smoothly fall, and the calculation result is accurate.

Before the glass ball filling machine is used, each button is in a reset state, the rear baffle inserting piece is inserted into the blocking hole at the moment, the lower outlet of the blanking hole is blocked by the rear baffle inserting piece, the glass balls are filled in the blanking hole from top to bottom, when addition is carried out, the first addend button, the plus button, the second addend button and the "=" button are sequentially pressed, when the first addend button is pressed, the pressing 9 is taken as an example, when the ninth button is pressed, the ninth button is moved to the right at the moment, the inserting piece is gradually inserted into the ninth hole, the front baffle on the rear side is pushed to the right by the push plate, the front baffle drives the rear baffle to move to the right, the rear baffle inserting piece is gradually separated from the blocking hole, the inserting piece is inserted into the ninth hole and separated from the rear baffle inserting piece, the inserting piece is synchronously inserted into the ninth hole, the 9 glass balls on the lower part of the ninth hole are blocked on the lower part of the inserting piece, and the glass balls on the upper part are held by the inserting piece, at the moment, 9 glass balls at the lower part of the inserting piece are still supported by the inserting piece of the rear baffle, when the inserting piece is completely inserted into the nine-hole, the blocking hole is completely separated from the inserting piece of the rear baffle, at the moment, the 9 glass balls at the lower part of the inserting piece sequentially flow out of the blanking hole under the action of gravity, the glass balls at the upper part of the inserting piece cannot fall down, when the nine-button is loosened, the key returns under the action of the spring, the inserting piece is separated from the nine-hole, the front baffle returns under the action of the spring of the front baffle, the inserting piece of the rear baffle is inserted into the blocking hole, at the moment, the glass balls fall into the blanking hole again under the action of gravity, and by pressing other number keys, the glass balls with the corresponding number can flow out of the blanking hole, when the zero-button is pressed, no action can occur, no glass balls can flow out, when the plus-button is pressed, the key can move towards the right side, the rack moves towards the right side, and the rack drives the gear to rotate, the spiral protrusion drives the glass ball to move downwards to prevent the glass ball from being clamped at the lower opening and not moving downwards, when the plus button is loosened, the key is reset under the action of the spring, the rack drives the gear to rotate again, the spiral protrusion drives the glass ball to rotate again to ensure that the glass ball can fall down, at the moment, the plus button only plays a symbolic meaning, a user is allowed to know the meaning of addition and the process of addition, the practical function is that the glass ball can fall down from the blanking hole to prevent the glass ball from being clamped, when the second plus button is pressed, the process is the same as that of pressing the first plus button, when the equal-sign button is pressed, the practical action is the same as that of pressing the plus button, the first plus button is pressed, the plus button, the second plus button and the "=" button are pressed, the glass ball in the inclined plane can be counted, and at the operation of 1 addition is finished.

The invention can simulate the operation of 10 or more internal additions, is visual, corresponds to real objects and numbers, accords with the thinking characteristics of preschool children, and is simple and practical.

Drawings

Fig. 1 is a schematic view of the overall structure of the preschool education display teaching aid.

Fig. 2 is a schematic diagram of a key connection structure of the preschool education display teaching aid.

Fig. 3 is a schematic structural view of a connection explosion diagram of a front baffle plate of the preschool education display teaching aid.

Fig. 4 is a schematic diagram of a key connection rear view structure of the preschool education display teaching aid of the invention.

Fig. 5 is a schematic view of the connection structure of the hopper according to the present invention.

Fig. 6 is a schematic structural view of a state of a glass ball during resetting according to the present invention.

Fig. 7 is a schematic view of a glass ball state structure when a key is pressed according to the present invention.

Fig. 8 is a schematic view of the base structure according to the present invention.

Fig. 9 is a schematic structural diagram of a plus button according to the present invention.

Fig. 10 is a schematic view of a button structure according to the present invention.

Fig. 11 is a schematic structural view of a sectional view of a hopper according to the present invention.

Fig. 12 is a schematic view of the hopper structure according to the present invention.

Fig. 13 is a schematic structural view of the collecting box according to the present invention.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples:

a preschool education display teaching aid and an operation method thereof comprise a collecting box 01, an inclined plane 11, a base 02, a guide column 21, a guide hole 22, a number adding hole 23, a number waiting hole 24, a blocking hole 25, a blanking column 03, a blanking hole 30, a first hole 31, a second hole 32, a third hole 33, a fourth hole 34, a fifth hole 35, a sixth hole 36, a seventh hole 37, an eighth hole 38, a ninth hole 39, a key plate 04, a zero key hole 40, a first key hole 41, a second key hole 42, a third key hole 43, a fourth key hole 44, a fifth key hole 45, a sixth key hole 46, a seventh key hole 47, an eighth key hole 48, a ninth key hole 49, a key 05, a button 51, a number 52, a push plate 53, a front baffle plate 06, a rear baffle plate 65, a key 07, a number adding button 72, a rack 71, a hopper 08, a spiral protrusion 81, a lower opening 82, a gear 83 and a glass ball 84, wherein the collecting box is internally provided with the inclined plane 11, the upper part of the collecting box 01 is fixedly connected with a base 02, the left side of the base 02 is provided with a key board 04, the right side of the key board 04 is provided with a blanking column 03, the middle of the blanking column 03 is provided with a blanking hole 30, the blanking column 03 is sequentially provided with a nine hole 39, an eight hole 38, a seven hole 37, a six hole 36, a five hole 35, a four hole 34, a three hole 33, a two hole 32, a first hole 31 and a blocking hole 25 from top to bottom, two sides of the blanking column 03 are respectively provided with 2 symmetrical guide columns 21, the middle of each guide column 21 is provided with a guide hole 22, the middle of the key board 04 is sequentially provided with a zero key hole 40, a first key hole 41, a third key hole 43, a fifth key hole 45, a seven key hole 47, a nine key hole 49, an eight key hole 48, a six key hole 46, a fourth key hole 44 and a second key hole 42 along the circumferential direction, the lower part of the key board 04 is provided with a plus hole 23, an equal hole 24, a zero key hole 40, a first key hole 41, a second key hole 42 and a second key hole 42, No. three keyhole 43, No. four keyhole 44, No. five keyhole 45, No. six keyhole 46, No. seven keyhole 47, No. eight keyhole 48, No. nine keyhole 49 are inside to set up the button 05 corresponding to the figure respectively, the button 05 has 10, the button 05 rear end has push pedal 53, the push pedal 53 rear end has inserted sheet 54, the push pedal 53 size of each button 05 is different, the push pedal 53 size has the difference according to the button 05 relative to the inside edge size of front bezel 06, the structure is the same, the button 05 front end has button 51, there is numeral 52 in the middle of the button 51.

The front part of the key 07 is provided with a plus button 71 and an equal-number button 72, the plus button 71 is connected with a plus hole 23 in a sliding way, the equal-number button 72 is connected with an equal-number hole 24 in a sliding way, the plus button 71 is respectively provided with a spring 55 at the outer side of the equal-number button 72, the spring 55 is sleeved on the plus button 71, the outer part of the equal-number button 72 is provided with a spring 55 which is respectively arranged between a key board 04 and a plus button 71 and between the key board 04 and the equal-number button 72, the rear part of a key 07 is provided with a connecting rod 73, the rear part of the connecting rod 73 is provided with a cross rod 74, the upper part of the cross rod 74 is provided with a vertical rod 75, the upper part of the vertical rod 75 is provided with a rack 76, the inner side of the rack 76 is provided with a hopper 08, the outer side of the hopper 08 is provided with a gear 83, the rack 76 is meshed with the gear 83, a spiral bulge 81 is arranged in the middle of the hopper 08, the lower part of the hopper 08 is provided with a lower opening 82, a blanking column 03 is arranged in the lower opening 82, the lower opening 82 is rotatably connected with the blanking column 03, and the blanking column 03 rotates in the lower opening 82.

The key 05 slides in a zero-number key hole 40, a first-number key hole 41, a second-number key hole 42, a third-number key hole 43, a fourth-number key hole 44, a fifth-number key hole 45, a sixth-number key hole 46, a seventh-number key hole 47, an eighth-number key hole 48 and a ninth-number key hole 49 respectively, a spring 55 is arranged on the outer side of the key 05, the spring 55 is sleeved on the key 05, the spring 55 is arranged between the key plate 04 and the button 51, a front baffle 06 is arranged on the right side of the push plate 53, the front baffle 06 is arranged on two sides of the base 02, a front baffle square shaft 61 is arranged in the middle of the front baffle 06, the front baffle square shaft 61 is slidably connected with the guide hole 22, the front baffle square shaft 61 slides in the guide hole 22, a front baffle spring 62 is arranged on the outer side of the front baffle square shaft 61, the front baffle spring 62 is sleeved on the front baffle square shaft 61, the front baffle spring 62 is arranged between the front baffle 06 and the guide column 21, a rear baffle 63 is arranged on the right side of the base 02, 2 is symmetrically arranged on the end surface of the rear baffle 63, the inner side of the rear baffle 63 is provided with a rear baffle inserting piece 65, the front baffle square shaft 61 is respectively and fixedly connected with a rear baffle square hole 64, the rear baffle inserting piece 65 is in sliding connection with the blocking hole 25, and the rear baffle inserting piece 65 slides in the blocking hole 25.

The numbers 52 correspond to the numbers 9, 8, 7, 6, 5, 4, 3, 2, 1 and 0 respectively, each key 05 corresponds to 1 number, and the keys 05 comprise a nine-number key 05, an eight-number key 05, a seven-number key 05, a six-number key 05, a five-number key 05, a four-number key 05, a three-number key 05, a two-number key 05, a one-number key 05 and a zero-number key 05.

The nine-number key 05 is in sliding connection with a nine-number key hole 49, the eight-number key 05 is in sliding connection with an eight-number key hole 48, the seven-number key 05 is in sliding connection with a seven-number key hole 47, the six-number key 05 is in sliding connection with a six-number key hole 46, the five-number key 05 is in sliding connection with a five-number key hole 45, the four-number key 05 is in sliding connection with a four-number key hole 44, the three-number key 05 is in sliding connection with a three-number key hole 43, the two-number key 05 is in sliding connection with a two-number key hole 42, the one-number key 05 is in sliding connection with a one-number key hole 41, and the zero-number key 05 is in sliding connection with a zero-number key hole 40.

Nine inserted sheet 54 sliding connection No. nine holes 39 of No. nine button 05, No. eight button 05's inserted sheet 54 sliding connection No. eight hole 38, No. seven button 05's inserted sheet 54 sliding connection No. seven hole 37, No. six button 05's inserted sheet 54 sliding connection No. six hole 36, No. five button 05's inserted sheet 54 sliding connection No. five hole 35, No. four button 05's inserted sheet 54 sliding connection No. four hole 34, No. three button 05's inserted sheet 54 sliding connection No. three hole 33, No. two button 05's inserted sheet 54 sliding connection No. two holes 32, No. one button 05's inserted sheet 54 sliding connection No. one hole 31.

The collecting box 01 of the invention is internally provided with an inclined plane 11, the collecting box 01 collects glass beads falling from the upper part, the glass beads falling from the upper part roll down along the inclined plane 11, and the number of the falling glass beads can be counted. When the button 51 is pressed, the key 05 moves forward, the corresponding spring 55 is compressed, the button 51 is released, and the key 05 is reset under the left and right sides of the spring 55. When the button 05 moves to the right side, the push plate 53 pushes the front baffle plate 06 to move to the right side, the front baffle plate spring 62 is compressed, and when the front baffle plate 06 is released, the front baffle plate 06 resets under the action of the front baffle plate spring 62. In the original position, the rear baffle inserting piece 65 is inserted into the blocking hole 25, when the front baffle 06 moves rightwards, the rear baffle 63 is driven to move rightwards, and the rear baffle inserting piece 65 is separated from the blocking hole 25.

According to the invention, 10 keys 05 are uniformly arranged in the circumferential direction of the key board 04, a ninth key 05, a seventh key 05, a fifth key 05, a third key 05 and a first key 05 are arranged on the rear half circumference of the key board 04, and correspond to the front baffle 06 on the rear side, the front baffle 06 on the rear side is pushed when the above keys 05 are pressed, the front baffle 06 on the front side is pushed when the eighth key 05, the sixth key 05, the fourth key 05, the second key 05 and the zero key 05 are arranged on the front half circumference 94, and the front baffle 06 on the front side is pushed when the above keys 05 are pressed, so that the 10 keys 05 cannot be overlapped or interfered in space, and the front baffle 06 can be pushed independently when each key 05 is pressed.

When the push plate 53 pushes the corresponding front baffle 06, the front baffle 06 pushes the rear baffle 63, and the rear baffle 63 drives the rear baffle insertion piece 65 to be separated from the blocking hole 25.

According to the invention, a plus button 71 or an equal-number button 72 is pressed, a key 07 moves rightwards to drive a rack 76 to move rightwards, the rack 76 drives a gear 83 to rotate, the gear 83 drives a hopper 08 to rotate, a spiral protrusion 81 is arranged in the middle of the hopper 08, the spiral protrusion 81 is of a spiral structure and can drive a glass ball 84 therein to rotate, so that the glass ball 84 moves downwards and flows into a blanking hole 30 along a lower opening 82, when the plus button 71 or the equal-number button 72 is loosened, the key 07 resets to drive the gear 83 to rotate reversely, and the glass ball 84 can also rotate under the drive of the spiral protrusion 81, so that the glass ball 84 moves downwards.

According to the invention, the key 05 penetrates through the blocking hole 25 and slides in the blocking hole 25, the cross section of the key 05 is square, so that the key 05 is not easy to deviate in the sliding process in the blocking hole 25, the angle of the key 05 relative to the blocking hole 25 is limited, the key 05 is kept vertical to the blocking hole 25, the key 05 can be kept horizontally, the spring 55 is compressed to support the button 51, the stress of the button 51 in the circumferential direction is uniform, the integral balance of the key 05 is kept, the friction force between the key 05 and the blocking hole 25 is reduced, the key is not easy to shake or deviate, the relative angle of the push plate 53 and the front baffle 06 is determined, the contact area between the push plate 53 and the front baffle 06 is increased, the stress of the front baffle 06 is stable, and the possibility of shaking of the front baffle 06 caused by the deviation of the push plate 53 is reduced. Therefore, the influence of the front baffle 06 on the overall movement of the key 05 is reduced, the positioning between the inserting piece 54 and the blanking column 03 is accurate, the inserting piece 54 can be accurately inserted into the blanking column 03, the generation of collision and friction is reduced, and the key 05 cannot be blocked in the sliding process.

The square shafts 61 of the front baffles on the two sides are fixed on the rear baffle 63, the front baffles 06 on the two sides can synchronously slide relative to the base 02, the front baffle square shafts 61 slide in the guide holes 22, so that the angles of the front baffles 06 and the rear baffle 63 are kept unchanged in the sliding process, the front baffles 06 and the rear baffle 63 can synchronously move, collision and blockage between the front baffle square shafts 61 and the guide columns 21 are reduced, meanwhile, the inserting sheets 54 and the rear baffle inserting sheets 65 cannot reciprocate due to shaking, excessive falling of the glass balls 84 cannot be caused, the number of the falling glass balls 84 is accurate, and the calculation result is accurate.

According to the invention, the rack 76 is meshed with the gear 83 through the insections, so that the rack 76 can assist the hopper 08 to keep balance, the axis position of the hopper 08 is kept unchanged, the hopper 08 is accurately positioned and stably rotates, the hopper 08 is not easy to deviate or shake, the occurrence of the jamming condition of the glass balls 84 is reduced, the glass balls 84 in the blanking column 03 can smoothly fall, and the calculation result is accurate.

Before the invention is used, each button is in a reset state, at the moment, the rear baffle plate inserting sheet 65 is inserted into the blocking hole 25, the lower outlet of the blanking hole 30 is blocked by the rear baffle plate inserting sheet 65, the blanking hole 30 is filled with glass balls 84 from top to bottom, when addition is carried out, the first addend button, the plus button, the second addend button and the (= button are sequentially pressed, when the first addend button is pressed, the 9 is pressed as an example, when the ninth button 51 is pressed, the ninth button 05 moves rightwards, the inserting sheet 54 is gradually inserted into the ninth hole 39, the front baffle plate 06 at the rear side is simultaneously pushed rightwards by the push plate 53, the front baffle plate 06 drives the rear baffle plate 63 to move rightwards, the rear baffle plate inserting sheet 65 is gradually separated from the blocking hole 25, the inserting sheet 54 is synchronously inserted into the ninth hole 39 and the blocking hole 25 is separated from the rear baffle plate inserting sheet 65, when the inserting sheet 54 is inserted into the ninth hole 39, 9 glass balls 84 at the lower part of the ninth hole 39 are blocked at the lower part of the inserting sheet 54, the glass balls 84 on the upper part of the inserting sheet 54 are supported by the inserting sheet 54, at the same time, 9 glass balls 84 on the lower part of the inserting sheet 54 are still supported by the rear baffle inserting sheet 65, when the inserting sheet 54 is completely inserted into the nine-size hole 39, the blocking hole 25 is completely separated from the rear baffle inserting sheet 65, at the same time, the 9 glass balls 84 on the lower part of the inserting sheet 54 can flow out from the blanking hole 30 in sequence under the action of gravity, the glass balls 84 on the upper part of the inserting sheet 54 can not fall off, when the nine-size button 51 is released, the key 05 returns under the action of the spring 55, the inserting sheet 54 is separated from the nine-size hole 39, the front baffle 06 returns under the action of the front baffle spring 62, the rear baffle inserting sheet 65 is inserted into the blocking hole 25, at the same time, the glass balls 84 can fall into the blanking hole 30 again under the action of gravity, other number keys are pressed, a corresponding number of glass balls 84 can flow out from the blanking hole 30, when the zero-size button is pressed, no action can occur, when the plus button 71 is pressed, the key 07 moves towards the right side, the rack 76 drives the gear 83 to rotate, the spiral protrusion 81 drives the glass ball 84 to move downwards to prevent the glass ball 84 from being clamped at the lower opening 82 and not moving downwards, when the plus button 71 is loosened, the key 07 is reset under the action of the spring 55, the rack 76 drives the gear 83 to rotate again, the spiral protrusion 81 drives the glass ball 84 to rotate again to ensure that the glass ball 84 can fall down, at the moment, the plus button 71 only plays a symbolic role, a user knows the adding significance and the adding process, the actual function is that the glass ball 84 can fall down from the blanking hole 30 to prevent the clamping, when the second plus button is pressed, the process is the same as the first adding action, when the equal-number button 72 is pressed, the actual action is the same as the pressing of the plus button 71, after the first add button, the "+" button, the second add button, and the "=" button are pressed, the number of the glass balls 84 in the inclined plane 11 may be counted, and 1 addition operation may be completed.

before use, the buttons are in a reset rotating state, at the moment, the rear baffle inserting piece 65 is inserted into the blocking hole 25, the lower outlet of the blanking hole 30 is blocked by the rear baffle inserting piece 65, and the blanking hole 30 is filled with glass balls 84 from top to bottom;

second, when the addition operation is performed, the first addend button, the "+" button, the second addend button, and the "=" button are pressed in sequence, and when the first addend button is pressed, the case of pressing addend 9 is taken as an example for explanation, when the nine-size button 51 is pressed, the nine-size button 05 moves to the right at the moment, the inserting sheet 54 is gradually inserted into the nine-size hole 39, meanwhile, the front baffle 06 at the rear side is pushed to the right side by the push plate 53, the front baffle 06 drives the rear baffle 63 to move to the right side, the rear baffle inserting piece 65 is gradually separated from the blocking hole 25, the inserting of the inserting piece 54 into the ninth hole 39 and the blocking hole 25 are synchronously separated from the rear baffle inserting piece 65, in the process of inserting the inserting piece 54 into the ninth hole 39, the 9 glass balls 84 at the lower part of the nine-hole 39 are blocked at the lower part of the inserting sheet 54, the glass balls 84 at the upper part of the inserting sheet 54 are supported by the inserting sheet 54, and at the moment, the 9 glass balls 84 at the lower part of the inserting sheet 54 are still supported by the back baffle inserting sheet 65;

thirdly, when the inserting sheet 54 is completely inserted into the nine-hole 39, the blocking hole 25 is completely separated from the rear baffle inserting sheet 65, at the moment, 9 glass balls 84 at the lower part of the inserting sheet 54 sequentially flow out of the blanking hole 30 under the action of gravity, the glass balls 84 at the upper part of the inserting sheet 54 cannot fall down, when the nine-button 51 is loosened, the key 05 returns under the action of the spring 55, the inserting sheet 54 is separated from the nine-hole 39, the front baffle 06 is reset under the action of the front baffle spring 62, the rear baffle inserting sheet 65 is inserted into the blocking hole 25, and at the moment, the glass balls 84 fall into the blanking hole 30 again under the action of gravity;

fourthly, similarly, when other number keys are pressed, the corresponding number of glass balls 84 flow out from the blanking hole 30, and when the zero button is pressed, no action will occur and no glass ball 84 will flow out, when the plus button 71 is pressed, the button 07 moves towards the right side, the rack 76 drives the gear 83 to rotate, the spiral bulge 81 drives the glass ball 84 to move downwards, the glass ball 84 is prevented from being clamped at the lower opening 82 and cannot move downwards, when the plus button 71 is loosened, the key 07 is reset under the action of the spring 55, the rack 76 drives the gear 83 to rotate again, the spiral protrusion 81 drives the glass ball 84 to rotate again, the glass ball 84 is ensured to fall down, at the moment, the plus button 71 only plays a symbolic role, a user knows the meaning of addition and the process of addition, and the practical function is that the glass ball 84 can fall down from the blanking hole 30 to prevent clamping;

in the fifth step, when the second addend button is pressed, the process is the same as that of the first addend action, when the equal sign button 72 is pressed, the actual action is the same as that of the addend button 71, the first addend button, the plus button, the second addend button and the "=" button are pressed, the glass balls 84 in the inclined plane 11 can be counted, and then 1 addition operation is completed. The invention can simulate the operation of 10 or more internal additions, is visual, corresponds to real objects and numbers, accords with the thinking characteristics of preschool children, and is simple and practical.

Claims

1. A preschool education display teaching aid is characterized by comprising a collecting box, an inclined plane, a base, a guide column, a guide hole, a number adding hole, a number waiting hole, a blocking hole, a blanking column, a blanking hole, a first hole, a second hole, a third hole, a fourth hole, a fifth hole, a sixth hole, a seventh hole, an eighth hole, a ninth hole, a key board, a zero key hole, a first key hole, a second key hole, a third key hole, a fourth key hole, a fifth key hole, a sixth key hole, a seventh key hole, an eighth key hole, a ninth key hole, a key, a button, a number, a push plate, a front baffle, a rear baffle inserting piece, a key, a number adding button, an equal button, a rack, a hopper, a spiral bulge, a lower opening, a gear and a glass ball, wherein the inner part of the collecting box is provided with the inclined plane, the upper part of the collecting box is fixedly connected with the base, the left side of the base is provided with the key board, the blanking column is arranged on the right side of the key board, the blanking column is provided with the blanking column in the middle of the blanking column, the blanking column is provided with a nine-number hole, an eight-number hole, a seven-number hole, a six-number hole, a five-number hole, a four-number hole, a three-number hole, a two-number hole, a one-number hole and a blocking hole in sequence from top to bottom, two sides of the blanking column are respectively provided with 2 symmetrical guide columns, the middle of each guide column is provided with a guide hole, the middle of the key board is provided with a zero-number key hole, a first-number key hole, a third-number key hole, a five-number key hole, a seven-number key hole, a nine-number key hole, an eight-number key hole, a six-number key hole, a fourth-number key hole and a second-number key hole in sequence along the circumferential direction, the lower part of the key board is provided with a plus-number hole and an equal-number hole, the zero-number key hole, the first-number key hole, the second-number key hole, the third-number key hole, the four-number key hole, the five-number key hole, the six-number key hole, the seven-number key hole, the eight-number key hole and the nine-number key hole are respectively provided with corresponding number keys, the 10 keys, the rear end is provided with a push plate, the rear end of each push plate is provided with different sizes, the push plate size has the difference according to the distance size of the inboard edge of baffle before the button is relative, and the structure is the same, and the button front end has the button, has the numeral in the middle of the button.

2. The preschool education display teaching aid of claim 1, wherein the key is provided with a plus button and an equal-number button at the front part, the plus button is slidably connected with a plus hole, the equal-number button is slidably connected with an equal-number hole, the plus button is respectively provided with a spring outside the equal-number button, the spring is sleeved outside the plus button and the equal-number button, the spring is respectively placed between the key board and the plus button and between the key board and the equal-number button, the key is provided with a connecting rod at the rear part, the connecting rod is provided with a cross rod at the rear part, the upper part of the cross rod is provided with a vertical rod, the upper part of the vertical rod is provided with a rack, the rack is internally provided with a hopper, the outer side of the hopper is provided with a gear, the rack is meshed with a spiral bulge in the middle of the hopper, a blanking column is arranged inside the lower opening, the lower opening is rotatably connected with the blanking column, and the blanking column rotates in the lower opening.

3. The preschool education display teaching aid of claim 2, wherein the keys slide in the zero-number key hole, the first-number key hole, the second-number key hole, the third-number key hole, the fourth-number key hole, the fifth-number key hole, the sixth-number key hole, the seventh-number key hole, the eighth-number key hole and the ninth-number key hole respectively, the outside of the keys is provided with a spring which is sleeved on the keys, the spring is arranged between the key plate and the keys, the right side of the push plate is provided with a front baffle plate which is arranged at two sides of the base, the middle of the front baffle plate is provided with a front baffle plate square shaft, the front baffle plate square shaft is slidably connected with the guide holes, the front baffle plate square shaft slides in the guide holes, the outside of the front baffle plate square shaft is provided with a front baffle plate spring which is sleeved on the front baffle plate square shaft, the front baffle plate spring is arranged between the front baffle plate and the guide posts, the right side of the base is provided with a rear baffle plate, the end surface of the rear baffle plate is provided with 2 rear baffle plate square holes which are symmetrically arranged, the inner side of the rear baffle is provided with a rear baffle inserting piece, the square shaft of the front baffle is respectively and fixedly connected with the square hole of the rear baffle, the rear baffle inserting piece is in sliding connection with the blocking hole, and the rear baffle inserting piece slides in the blocking hole.

4. The preschool education display teaching aid of claim 3, wherein the numbers correspond to 9, 8, 7, 6, 5, 4, 3, 2, 1 and 0 respectively, each key corresponds to 1 number, and the keys comprise a nine-number key, an eight-number key, a seven-number key, a six-number key, a five-number key, a four-number key, a three-number key, a two-number key, a one-number key and a zero-number key.

5. The preschool education display teaching aid of claim 4, wherein the nine keys are slidably connected with the nine key holes, the eight keys are slidably connected with the eight key holes, the seven keys are slidably connected with the seven key holes, the six keys are slidably connected with the six key holes, the five keys are slidably connected with the five key holes, the four keys are slidably connected with the four key holes, the three keys are slidably connected with the three key holes, the two keys are slidably connected with the two key holes, the one keys are slidably connected with the one key holes, and the zero keys are slidably connected with the zero key holes.

6. The preschool education display teaching aid of claim 5, wherein the inserting sheet of the nine-button is slidably connected with the nine-hole, the inserting sheet of the eight-button is slidably connected with the eight-hole, the inserting sheet of the seven-button is slidably connected with the seven-hole, the inserting sheet of the six-button is slidably connected with the six-hole, the inserting sheet of the five-button is slidably connected with the five-hole, the inserting sheet of the four-button is slidably connected with the four-hole, the inserting sheet of the three-button is slidably connected with the three-hole, the inserting sheet of the two-button is slidably connected with the two-hole, and the inserting sheet of the one-button is slidably connected with the one-hole.

7. A method of operating a pre-school education presentation teaching aid according to claim 6, comprising the steps of:

step four, pressing other number keys in a similar way, enabling a corresponding number of glass balls to flow out of the blanking hole, when a zero button is pressed, enabling no action to occur, and preventing the glass balls from flowing out, when a plus button is pressed, enabling the button to move towards the right side, enabling the rack to drive the gear to rotate, enabling the spiral protrusion to drive the glass balls to move downwards, preventing the glass balls from being clamped at the lower opening and not moving downwards, when the plus button is released, enabling the button to reset under the action of the spring, enabling the rack to drive the gear to rotate again, enabling the spiral protrusion to drive the glass balls to rotate again, and ensuring that the glass balls can fall down;

and fifthly, when a second addend button is pressed, the process is the same as that of the first addend action, when an equal-sign button is pressed, the actual action is the same as that of the addend button, the first addend button, the plus button, the second addend button and the "=" button are pressed, the glass balls in the inclined plane can be counted, and at the moment, 1 addition operation is completed.