CN214312256U - Vertical calculator - Google Patents
Vertical calculator Download PDFInfo
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- CN214312256U CN214312256U CN202120367328.2U CN202120367328U CN214312256U CN 214312256 U CN214312256 U CN 214312256U CN 202120367328 U CN202120367328 U CN 202120367328U CN 214312256 U CN214312256 U CN 214312256U
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Abstract
The utility model provides a vertical calculator, which comprises a number-removing mark, a first branch line, a second branch line, a box body, a first belt wheel, a second belt wheel, a belt, a first installation shaft and a second installation shaft, wherein the box body is provided with a first panel, a second panel, an installation plate and a fixed plate, the first belt wheel is sleeved on the first installation shaft, the second belt wheel is sleeved on the second installation shaft, the first installation shaft is fixedly connected with the installation plate, the second installation shaft is fixedly connected with the fixed plate, the first panel is provided with a first installation groove, the second panel is provided with a second installation groove, the number-removing mark and the first branch line are arranged on the first panel, the second branch line is arranged on the second panel, the belt is sleeved on the first belt wheel and the second belt wheel, the belt is exposed from the first installation groove and the second installation groove, not only can help teachers demonstrate vertical calculation of addition and subtraction multiplication within four digits, but also can be used as a learning aid for students to learn vertical calculation, the teaching aid can be used for interactive teaching with teachers to arouse the interest of primary school students in learning mathematics.
Description
Technical Field
The utility model relates to a mathematical computation apparatus technical field especially relates to a vertical calculator.
Background
The digital addition, subtraction, multiplication and division is the basic mathematical work of pupils, the conventional primary school teaching is on a blackboard at present, a teacher demonstrates with chalk or PPT, the teacher often draws pictures to help the students to understand problems during lectures, the students practice on a homebook, the teaching mode is relatively boring, the students are easy to be hesitant to learn, meanwhile, in order to be simple and convenient to calculate, vertical calculation is usually listed in the calculation process, in the course of teaching by the teacher, the pupils often find that the pupils cannot concentrate attention, the process of vertical calculation is difficult to understand, the operations of addition, subtraction, multiplication and division cannot be correctly carried out after class, and part of the pupils cannot use the vertical calculation, so the teacher lacks a vertical calculator to assist teaching at present, and the pupils can better understand the courses of the vertical calculation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a vertical calculator.
The utility model discloses a following technical scheme realizes:
the utility model provides a vertical calculator, which comprises a division mark, a first branch, a second branch, a box body, a first belt wheel, a second belt wheel, a belt, a first mounting shaft and a second mounting shaft, the box body is provided with a first panel, a second panel, a mounting plate and a fixing plate, the first belt pulley is sleeved on the first mounting shaft, the second belt wheel is sleeved on the second mounting shaft, the first mounting shaft is fixedly connected with the mounting plate, the second mounting shaft is fixedly connected with the fixing plate, the first panel is provided with a first mounting groove, the second panel is provided with a second mounting groove, the eliminating number mark and the first division line are arranged on the first panel, the second branch line is arranged on the second panel, the belt is sleeved on the first belt wheel and the second belt wheel, and the belt is exposed from the first mounting groove and the second mounting groove.
Further, first band pulley is equipped with first regulating wheel, first installation wheel and first shaft hole, first panel is equipped with first constant head tank, first regulating wheel with first installation wheel fixed connection, first installation axle inserts first shaft hole, first regulating wheel inserts first constant head tank.
Furthermore, the second belt wheel is provided with a second regulating wheel, a second mounting wheel and a second shaft hole, the second panel is provided with a second positioning groove, the second regulating wheel is fixedly connected with the second mounting wheel, the second mounting shaft is inserted into the second shaft hole, and the second regulating wheel is inserted into the second positioning groove.
Furthermore, the mounting plate is provided with a mounting hole, and the first mounting shaft is inserted into the mounting hole, so that the mounting plate is fixedly connected with the first mounting shaft.
Furthermore, the fixing plate is provided with a fixing hole, and the second mounting shaft is inserted into the fixing hole, so that the fixing plate is fixedly connected with the second mounting shaft.
Furthermore, the belt is equipped with display block and number mark, and is a plurality of the display block sets up the surface of belt, the number mark sets up on the display block.
Further, the digital identifier includes: 0. 1, 2, 3, 4, 5, 6, 7, 8, 9, decimal point and blank.
Further, the belt is equipped with the symbol sign, the symbol sign sets up on the display block, the symbol sign includes: +, -, × and blank.
Further, the belt is provided with a limiting groove, the first belt wheel is provided with a first limiting block, the second belt wheel is provided with a second limiting block, the first limiting block is inserted into the limiting groove, and the second limiting block is inserted into the limiting groove.
Furthermore, the vertical calculator is provided with a first hanging block and a second hanging block, the box body is provided with a box frame, the first hanging block is fixedly connected with the upper end of the box frame, and the second hanging block is fixedly connected with the lower end of the box frame.
The utility model has the advantages that:
the vertical calculator provided by the utility model adopts a combined structure of a plurality of groups of first belt wheels, second belt wheels and belts, is arranged in the box body, displays the numbers and symbol marks on the belts through a plurality of first mounting grooves and second mounting grooves, can display the whole process of vertical calculation by manually adjusting the numbers of the first belt wheels and the second belt wheels and matching the symbol marks, can help teachers to intuitively demonstrate and explain the process of vertical calculation in detail, pupils are more interested in exploring and can also concentrate attention, the process of vertical calculation is observed, the vertical calculation is convenient for pupils to understand and master, teachers can explain the vertical calculation of addition and subtraction multiplication within four digits for the pupils through the vertical calculator, the students can effectively help the students to quickly understand key difficulties of related knowledge contents, the vertical calculator can help teachers to demonstrate the vertical calculation of addition and subtraction multiplication within four digits for teaching, the teaching aid can also be used as a learning aid for students to learn vertical calculation and perform interactive teaching with teachers, so that the classroom teaching efficiency is higher, and the teaching aid can also be used as a calculation tool and a device for mathematical games at ordinary times, and is beneficial to exciting the interest of primary school students in learning mathematics.
Drawings
FIG. 1 is a perspective view of a vertical calculator of the present invention;
FIG. 2 is another perspective view of the vertical calculator of the present invention;
FIG. 3 is an exploded view of the vertical calculator of the present invention;
FIG. 4 is a schematic view of a part of the vertical calculator of the present invention;
fig. 5 is a schematic view of the belt structure of the vertical calculator of the present invention.
Detailed Description
In order to more clearly and completely explain the technical scheme of the present invention, the present invention is further explained with reference to the attached drawings.
Referring to fig. 1 to 5, the vertical calculator includes a division mark 10, a first division line 11, a second division line 14, a box body 1, a first pulley 2, a second pulley 3, a belt 4, a first mounting shaft 31 and a second mounting shaft 32, the box body 1 is provided with a first panel 5, a second panel 6, a mounting plate 8 and a fixing plate 9, the first pulley 2 is sleeved on the first mounting shaft 31, the second pulley 3 is sleeved on the second mounting shaft 32, the first mounting shaft 31 is fixedly connected with the mounting plate 8, the second mounting shaft 32 is fixedly connected with the fixing plate 9, the first panel 5 is provided with a first mounting groove 12, the second panel 6 is provided with a second mounting groove 15, the division mark 10 and the first division line 11 are provided on the first panel 5, the second division line 14 is provided on the second panel 6, the belt 4 is sleeved on the first belt wheel 2 and the second belt wheel 3, and the belt 4 is exposed from the first mounting groove 12 and the second mounting groove 15.
In this embodiment, the vertical calculator can calculate the vertical addition and subtraction multipliers within four digits, perform vertical division calculation through the first panel 5, perform vertical addition and subtraction multiplication calculation through the second panel 6, when performing vertical division calculation, fix the box body 1 on a blackboard, the first mounting grooves 12 are arranged below the horizontal line of the divisor identifier 10, and serve as adjustment areas of dividends, the first mounting grooves 12 are arranged above the horizontal line of the divisor identifier 10 and serve as adjustment areas of quotients, the first mounting grooves 12 are arranged on the left side of the divisor identifier 10, and serve as adjustment areas of divisors, the first mounting grooves 12 are arranged below the adjustment areas of dividends, and serve as adjustment areas of remainders, and the adjustment areas of remainders are divided through the first branch lines 11, so that teachers can demonstrate vertical division within four digits for students through the first panel 5 of the vertical calculator The calculation and calculation process can be clearly shown on the vertical calculator, pupils can visually see the vertical calculation process, the vertical calculation process can be helped by the division on the first panel 5, students can better concentrate on attention, teachers can dial the first belt wheel 2, the first belt wheel 2 drives the belt 4 to adjust the numbers on the belt 4 to form the vertical division and can demonstrate the process and obtain the result, if teachers need to explain the vertical calculation of addition and subtraction multiplication, the box body 1 only needs to be turned over up and down, the second panel 6 is turned over to the front, at the moment, the numbers of the belt 4 exposed out of the second mounting groove 15 are still forward, and the vertical addition and subtraction multiplication can be calculated through a plurality of rows of the second mounting groove 15 and a plurality of the numbers exposed out of the belt 4, the teacher can demonstrate the addition, subtraction, multiplication and division vertical calculation within four digits through the vertical calculator, and can also perform interactive teaching with pupils, so that the pupils can operate and adjust by themselves, and the vertical calculation process is better understood.
Further, the first belt pulley 2 is provided with a first adjusting wheel 19, a first mounting wheel 20 and a first shaft hole 22, the first panel 5 is provided with a first positioning groove 13, the first adjusting wheel 19 is fixedly connected with the first mounting wheel 20, the first mounting shaft 31 is inserted into the first shaft hole 22, and the first adjusting wheel 19 is inserted into the first positioning groove 13.
In this embodiment, the first adjusting wheel 19 and the first mounting wheel 20 form the first belt wheel 2, the first mounting shaft 31 is inserted into the first shaft hole 22, so that the first belt wheel 2 can rotate along the first mounting shaft 31, the first adjusting wheel 19 is inserted into the first positioning groove 13, so that the first adjusting wheel 19 can be partially exposed out of the first positioning groove 13, the belt 4 is sleeved on the first mounting wheel 20, and a user can adjust the number on the belt 4 by shifting the first adjusting wheel 19 to rotate the first belt wheel 2.
Further, the second pulley 3 is provided with a second adjustment wheel 23, a second mounting wheel 24 and a second shaft hole 26, the second panel 6 is provided with a second positioning slot 16, the second adjustment wheel 23 is fixedly connected with the second mounting wheel 24, the second mounting shaft 32 is inserted into the second shaft hole 26, and the second adjustment wheel 23 is inserted into the second positioning slot 16.
In this embodiment, the second adjusting wheel 23 and the second mounting wheel 24 form the second belt wheel 3, the second mounting shaft 32 is inserted into the second shaft hole 26, so that the second belt wheel 3 can rotate along the second mounting shaft 32, the second adjusting wheel 23 is inserted into the second positioning groove 16, so that the second adjusting wheel 23 can be partially exposed out of the second positioning groove 16, the belt 4 is sleeved on the second mounting wheel 24, and a user can adjust the number on the belt 4 by rotating the second belt wheel 3 by shifting the second adjusting wheel 23.
Further, the mounting plate 8 is provided with a mounting hole 17, and the first mounting shaft 31 is inserted into the mounting hole 17, so that the mounting plate 8 is fixedly connected with the first mounting shaft 31.
In the present embodiment, the mounting plate 8 is used to mount the first pulley 2, the first mounting shaft 31 is fixedly connected to the mounting plate 8, and the plurality of first pulleys 2 are mounted in the case 1.
Further, the fixing plate 9 is provided with a fixing hole 18, and the second mounting shaft 32 is inserted into the fixing hole 18, so that the fixing plate 9 is fixedly connected with the second mounting shaft 32.
In the present embodiment, the fixing plate 9 is used to mount the second pulley 3, the second mounting shaft 32 is fixedly connected to the fixing plate 9, and the plurality of second pulleys 3 are mounted in the case 1.
Further, the belt 4 is provided with display blocks 28 and digital marks 29, a plurality of the display blocks 28 are arranged on the outer surface of the belt 4, and the digital marks 29 are arranged on the display blocks 28; the digital identifier 29 includes: 0. 1, 2, 3, 4, 5, 6, 7, 8, 9, decimal point and blank.
In this embodiment, the belt 4 is provided with the display block 28, the plurality of display blocks 28 are provided around the outer surface of the belt 4, the display blocks 28 can be completely exposed in the first mounting groove 12 and the second mounting groove 15, the number marks 29 are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, decimal points and blank spaces, and the teacher can adjust the number marks 29 on the plurality of belts 4 according to the numbers in the formula to perform vertical calculation.
Further, the belt 4 is provided with a symbol mark 30, the symbol mark 30 is arranged on the display block 28, and the symbol mark 30 includes: +, -, × and blank.
In the present embodiment, the symbol marks 30 are provided on the display block 28, and the teacher can adjust the symbol marks 30 on the plurality of belts 4 according to the number in the formula to perform vertical calculation.
Further, the belt 4 is provided with a limiting groove 27, the first belt wheel 2 is provided with a first limiting block 21, the second belt wheel 3 is provided with a second limiting block 25, the first limiting block 21 is inserted into the limiting groove 27, and the second limiting block 25 is inserted into the limiting groove 27.
In this embodiment, the first stopper 21 is inserted into the stopper groove 27, and the second stopper 25 is inserted into the stopper groove 27, so that the belt 4 is more stably sleeved on the first belt wheel 2 and the second belt wheel 3 to prevent slipping, and the user can more accurately adjust the number mark 29 and the symbol mark 30 on the belt 4.
Further, the vertical calculator is provided with a first hanging block 33 and a second hanging block 34, the box body 1 is provided with a box frame 7, the first hanging block 33 is fixedly connected with the upper end of the box frame 7, and the second hanging block 34 is fixedly connected with the lower end of the box frame 7.
In this embodiment, the first hanging block 33 is disposed at the upper end of the box frame 7, the second hanging block 34 is disposed at the upper end of the box frame 7, when the first panel 5 is used to perform vertical division calculation, the first hanging block 33 is hung on a blackboard, at this time, the first panel 5 is used as a use board, if the vertical division calculation is performed, the second hanging block 34 is hung on the blackboard to perform vertical division calculation, the symbol marks 30 include +, -, × and are adjusted according to the teaching content requirements.
In this embodiment, the first row of the vertical calculator is a digital display grid, which can display digital: the numbers of the divisor, the dividend and the dividend are more directly known to students.
In this embodiment, the vertical calculator can be designed into a single-wheel structure, and can be set into a vertical shaft structure, and the rotating wheel can rotate transversely to adjust, so that the vertical calculator can also realize the vertical calculation function, and can be selected according to actual requirements.
Of course, the present invention can also have other various embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative work, and all of them belong to the protection scope of the present invention.
Claims (10)
1. A vertical calculator is characterized by comprising a division number mark, a first branch line, a second branch line, a box body, a first belt wheel, a second belt wheel, a belt, a first mounting shaft and a second mounting shaft, the box body is provided with a first panel, a second panel, a mounting plate and a fixing plate, the first belt pulley is sleeved on the first mounting shaft, the second belt wheel is sleeved on the second mounting shaft, the first mounting shaft is fixedly connected with the mounting plate, the second mounting shaft is fixedly connected with the fixing plate, the first panel is provided with a first mounting groove, the second panel is provided with a second mounting groove, the eliminating number mark and the first division line are arranged on the first panel, the second branch line is arranged on the second panel, the belt is sleeved on the first belt wheel and the second belt wheel, and the belt is exposed from the first mounting groove and the second mounting groove.
2. The vertical calculator of claim 1, wherein the first pulley is provided with a first adjustment wheel, a first mounting wheel and a first shaft hole, the first panel is provided with a first positioning groove, the first adjustment wheel is fixedly connected with the first mounting wheel, the first mounting shaft is inserted into the first shaft hole, and the first adjustment wheel is inserted into the first positioning groove.
3. The vertical calculator of claim 2, wherein the second pulley is provided with a second adjustment wheel, a second mounting wheel and a second shaft hole, the second panel is provided with a second positioning slot, the second adjustment wheel and the second mounting wheel are fixedly connected, the second mounting shaft is inserted into the second shaft hole, and the second adjustment wheel is inserted into the second positioning slot.
4. The vertical calculator of claim 1, wherein the mounting plate is provided with a mounting hole, and the first mounting shaft is inserted into the mounting hole to fixedly connect the mounting plate to the first mounting shaft.
5. The vertical calculator of claim 1, wherein the fixing plate is provided with a fixing hole, and the second mounting shaft is inserted into the fixing hole to fixedly connect the fixing plate with the second mounting shaft.
6. The vertical calculator according to claim 1, wherein the belt is provided with a plurality of display blocks provided on an outer surface of the belt and a number mark provided on the display blocks.
7. The vertical calculator of claim 6, wherein the digital identifier comprises: 0. 1, 2, 3, 4, 5, 6, 7, 8, 9, decimal point and blank.
8. The vertical calculator of claim 6, wherein the belt is provided with a symbol mark, the symbol mark being provided on the display block, the symbol mark comprising: +, -, × and blank.
9. The vertical calculator according to claim 1, wherein the belt is provided with a limiting groove, the first pulley is provided with a first limiting block, the second pulley is provided with a second limiting block, the first limiting block is inserted into the limiting groove, and the second limiting block is inserted into the limiting groove.
10. The vertical calculator according to claim 1, wherein the vertical calculator is provided with a first hanging block and a second hanging block, the box body is provided with a box frame, the first hanging block is fixedly connected with the upper end of the box frame, and the second hanging block is fixedly connected with the lower end of the box frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367328.2U CN214312256U (en) | 2021-02-08 | 2021-02-08 | Vertical calculator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367328.2U CN214312256U (en) | 2021-02-08 | 2021-02-08 | Vertical calculator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214312256U true CN214312256U (en) | 2021-09-28 |
Family
ID=77834323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120367328.2U Active CN214312256U (en) | 2021-02-08 | 2021-02-08 | Vertical calculator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214312256U (en) |
-
2021
- 2021-02-08 CN CN202120367328.2U patent/CN214312256U/en active Active
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