Columnar multifunctional counter

Abstract

The utility model relates to the technical field of teaching aids, in particular to a cylindrical multifunctional counter which comprises an outer cylindrical shell, N long-strip-shaped holes are formed in the outer wall of the outer cylindrical shell at equal intervals, a core column is rotationally connected to the interior of the outer cylindrical shell, N digit rings are rotationally connected to the outer wall of the core column at equal intervals in a sleeving mode, ten square grooves are engraved in the positions, corresponding to the long-strip-shaped holes, of the outer wall of the digital ring, the space between every two adjacent square grooves is coated with different colors, the digital ring is rotationally connected to the outer wall of the core column, and then the square grooves with the different colors are engraved in the digital ring. According to the utility model, counting of different digits is carried out by shifting the digit ring according to the actual number of square grooves in the long-strip hole, compared with a traditional plate type counter, the counter is of a columnar structure, a student can conveniently place the counter in a pocket of a schoolbag to carry the counter, so that the counter is more convenient to carry, and meanwhile, no collision noise is generated by rotating the digit ring; and the influence of collision noise on lecture listening of students in class is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching aids, in particular to a columnar multifunctional counter. Background Art

[0002] Counter teaching aids are counters used in teaching, usually designed to help students understand numbers, counting and mathematical concepts. They allow students to better understand digital concepts and improve counting and mathematical abilities through practical operations.

[0003] Currently, the most common counter is a plate-type structure, consisting of a bottom plate and a vertical back plate. An inverted U-shaped rod is placed in order from right to left, and 10 beads are slidably connected to the U-shaped rod. The number of beads on different digits is used for counting. However, such a plate-type counter is not convenient for students to carry in their school bags during daily commuting to and from school, and is easily squeezed and damaged. At the same time, during use, the beads fall and collide, causing noise, which interferes with students' listening in class, and the overall function is single. Utility Model Content

[0004] The purpose of the utility model is to provide a columnar multifunctional counter to solve the problems that the existing plate-type counter is inconvenient to carry in the schoolbag during the students' daily commuting to and from school and is easily squeezed and damaged, and that during use, the beads fall and collide, causing noise, which interferes with students' listening in class and the overall function is single.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A cylindrical multifunctional counter comprises an outer cylindrical shell, wherein the outer wall of the outer cylindrical shell is provided with N long holes at equal intervals, the inner part of the outer cylindrical shell is rotatably connected with a core column, the outer wall of the core column is rotatably sleeved with N digital rings at equal intervals, the outer wall of the digital ring is engraved with ten square grooves corresponding to the positions of the long holes, and different colors are coated between two adjacent square grooves, the digital ring is rotatably connected to the outer wall of the core column, and then square grooves of different colors are engraved on the digital ring, so that students can count different digits by turning the digital ring during use using the number of square grooves on the long holes. Compared with the traditional plate-type counter, the counter has a cylindrical structure, which is convenient for students to carry in the pocket of their schoolbags, so it is more convenient to carry, and no collision noise is generated when the digital ring is rotated, thereby reducing the impact of the collision noise on students' listening in class.

[0007] As a further solution of the utility model: the N outer column shells are located at one end of the long hole and are engraved with digits such as ones, tens, hundreds, thousands, and tens of thousands from top to bottom in sequence, so that students can distinguish them according to their needs.

[0008] As a further solution of the utility model: a square hole is provided on the outer wall of the elongated hole just below the digit, and ten digits 1-9 and 0 are engraved on the outer wall of the digit ring at the position corresponding to the square hole, and the distance between the top of 1 and the square groove at the first position differs by the width of two square grooves, and the distance between the tail of the elongated hole in the horizontal direction and the top of the square hole in the horizontal direction differs by the width of one square groove. In this way, when the corresponding number is displayed on the elongated hole, the corresponding digit is displayed on the corresponding square hole, which is convenient for students to read intuitively. Of course, the Arabic numerals can also be directly replaced with Chinese characters to facilitate copying and writing.

[0009] As a further solution of the utility model: the core column includes an inner column shell rotatably connected to the inner top of the outer column shell, the outer wall of the inner column shell is rotatably connected to the inner wall of the digit ring, the inner bottom of the inner column shell is fixedly connected to an external threaded ring, and the outer wall of the external threaded ring is screwed connected to a bottom cover. By setting the core column as a cylindrical shell with a cover, some daily teaching sticks and other tools of students can be placed in it to avoid loss.

[0010] As a further solution of the utility model: the inner bottom surface of the bottom cover is provided with a receiving groove, and a hard plastic sheet is embedded and fixed on the inner wall of the receiving groove, and a permanent magnet is embedded and fixed on the inner bottom of the receiving groove, so that plate-shaped teaching aids such as tangram puzzles can be stored.

[0011] As a further solution of the utility model: the top surface of the outer cylindrical shell is provided with a plus and minus table, and the top surface of the outer cylindrical shell is rotatably connected to a circular plate, the plus and minus table includes an inner rotating disk and an outer fixed disk, the outer fixed disk is adhered and fixed to the top surface of the outer cylindrical shell, and the top surface of the circular plate is adhered and fixed to the inner rotating disk, so that fast calculations can be conveniently performed by rotating the inner rotating disk.

[0012] As a further solution of the utility model: the outer fixed disk is divided into 20 parts at equal intervals, and integers 1-20 are printed inside the separated areas in a clockwise order; the surface of the inner rotating disk is divided into 20 parts at equal intervals, and arrows and integers 1-19 are printed inside the separated areas in a clockwise order.

[0013] Beneficial effects of the utility model:

[0014] 1. N long holes are opened at equal intervals on the outer wall of the outer column shell, and the inner part of the outer column shell is connected to the core column by rotation, and then N digital rings are sleeved on the outer wall of the core column by rotation at equal intervals, and ten square grooves are printed on the outer wall of the digital ring corresponding to the position of the long holes, and different colors are coated between two adjacent square grooves. The digital ring is connected by rotation on the outer wall of the core column, and then square grooves of different colors are printed on the digital ring. In this way, students can count different digits by turning the digital ring and using the number of square grooves on the long holes. Compared with the traditional plate counter, the counter has a columnar structure, which is convenient for students to put in the pocket of the schoolbag for carrying, which is more convenient to carry. At the same time, there is no collision noise when the digital ring is rotated, which reduces the impact of the collision noise on students' listening in class;

[0015] A square hole is opened on the outer wall of the long hole just below the digit, and then ten numbers 1-9 and 0 are printed on the outer wall of the digit ring at the positions corresponding to the square holes, and the distance between the top of 1 and the square groove at the first position is the width of two square grooves, and the distance between the tail of the long hole in the horizontal direction and the top of the square hole in the horizontal direction is the width of one square groove. In this way, when the corresponding number is displayed on the long hole, the corresponding number is displayed on the corresponding square hole, which is convenient for students to read intuitively, and convenient for students to correct errors in time during practice, thereby improving cognitive efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the columnar multifunctional counter of the utility model;

[0018] Figure 2 It is a schematic diagram of the top structure of the first placement tray in the utility model;

[0019] Figure 3 It is an exploded view of the columnar multifunctional counter in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the outer column shell in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the digital ring of the utility model;

[0022] Figure 6 It is a plan view of the addition and subtraction table in the utility model;

[0023] Figure 7 It is a plan view of the inner rotating disk in the utility model;

[0024] Figure 8 It is a plan view of the internal and external fixed disks of the utility model.

[0025] In the figure: 100, outer cylindrical shell; 110, long hole; 120, square hole; 200, core column; 210, bottom cover; 211, receiving groove; 220, inner cylindrical shell; 221, external threaded ring; 300, digital ring; 310, square groove; 400, addition and subtraction table; 410, inner rotating disk; 420, outer fixed disk. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] For example, see Figure 1-4 As shown, a cylindrical multifunctional counter comprises an outer cylindrical shell 100, the outer wall of the outer cylindrical shell 100 is provided with N long holes 110 at equal intervals, the inner part of the outer cylindrical shell 100 is rotatably connected with a core column 200, the outer wall of the core column 200 is rotatably sleeved with N digital rings 300 at equal intervals, and the outer wall of the digital ring 300 is engraved with ten square grooves 310 at the positions corresponding to the long holes 110, and the space between two adjacent square grooves 310 is coated with different colors;

[0028] The N outer cylindrical shells 100 are located at one end of the long hole 110 and are engraved with digits from top to bottom in sequence. A square hole 120 is opened on the outer wall of the long hole 110 immediately below the digits. The outer wall of the digit ring 300 is engraved with ten digits 1-9 and 0 at the position corresponding to the square hole 120, and the distance between the top of 1 and the square groove 310 at the first position is two square grooves 310 widths, and the distance between the tail of the long hole 110 in the horizontal direction and the top of the square hole 120 in the horizontal direction is one square groove 310 widths;

[0029] Specifically, when performing counting operations, students rotate the digit ring 300 at the corresponding position according to the quantity requirements of each digit of ones, tens, hundreds, thousands and millions, so that the corresponding number of square slots 310 are displayed on the long hole 110. After the students have completed the dialing, they can directly read the corresponding number on the square hole 120 to verify whether their dialing is correct. At the same time, they can also randomly dial different square slots 310 at different digits, and then write, and then read the results from left to right according to the displayed number.

[0030] For example 2, please refer to Figure 2 , 8As shown, the core column 200 includes an inner column shell 220 rotatably connected to the inner top of the outer column shell 100, the outer wall of the inner column shell 220 is rotatably connected to the inner wall of the digital ring 300, the inner bottom of the inner column shell 220 is fixedly connected with an external threaded ring 221, the outer wall of the external threaded ring 221 is screwed and connected with the bottom cover 210, the inner bottom surface of the bottom cover 210 is provided with a receiving groove 211, and the inner wall of the receiving groove 211 is embedded and fixed with a hard plastic sheet, and the inner bottom of the receiving groove 211 is embedded and fixed with a permanent magnet.

[0031] Specifically, when students use it in daily life, they can place some teaching tools such as small sticks in the inner column shell 220, and some magnetic metal pieces such as triangular blocks, rectangular blocks, circles, etc. in the receiving groove 211 for storage.

[0032] For example 3, please refer to Figure 5 , 6 As shown in Figures 7 and 8, a plus-minus scale 400 is provided on the top surface of the outer cylindrical shell 100, and a circular plate is rotatably connected to the top surface of the outer cylindrical shell 100. The plus-minus scale 400 includes an inner rotating disk 410 and an outer fixed disk 420. The outer fixed disk 420 is adhered and fixed to the top surface of the outer cylindrical shell 100, and the inner rotating disk 410 is adhered and fixed to the top surface of the circular plate. The outer fixed disk 420 is equally divided into 20 parts, and integers of 1-20 are engraved inside the separated areas in a clockwise order. The surface of the inner rotating disk 410 is equally divided into 20 parts, and arrows and integers of 1-19 are engraved inside the separated areas in a clockwise order.

[0033] Specifically, when performing addition and subtraction operations within 20, when adding, align the arrow of the inner rotating disk 410 with the addend. The number on the inner rotating disk 410 is the second addend, and the number on the outer fixed disk 420 corresponding to the second addend is the sum of the numbers aligned with the arrow (Note: when the number on the outer fixed disk 420 exceeds 20, the result is wrong and cannot be used as a reference);

[0034] During subtraction, the number pointed by the arrow is the subtrahend. At this time, the number on the outer fixed disk 420 is the minuend, and the corresponding number on the inner rotating disk 410 is the difference. Similarly, the difference between the minuend on the outer fixed disk 420 and the minuend on its corresponding position is the number pointed by the arrow.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above contents are merely examples and explanations of the present utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the present utility model.

Claims

1. Columnar multifunctional counter, characterized in that: The invention comprises an outer column shell (100), wherein the outer wall of the outer column shell (100) is provided with N long holes (110) at equal intervals, the inner part of the outer column shell (100) is rotatably connected with a core column (200), the outer wall of the core column (200) is rotatably sleeved with N digital rings (300) at equal intervals, and the outer wall of the digital ring (300) is engraved with ten square grooves (310) at the positions corresponding to the long holes (110), and different colors are coated between two adjacent square grooves (310).

2. The columnar multifunctional counter according to claim 1, characterized in that: The N outer column shells (100) are located at one end of the long hole (110) and are engraved with numbers in sequence from top to bottom.

3. The columnar multifunctional counter according to claim 2, characterized in that: A square hole (120) is provided on the outer wall of the long hole (110) immediately below the digit, and the outer wall of the digit ring (300) is engraved with ten digits 1-9 and 0 at the position corresponding to the square hole (120), and the distance between the top of 1 and the square groove (310) at the first position is two square groove (310) widths away, and the distance between the tail of the long hole (110) in the horizontal direction and the top of the square hole (120) in the horizontal direction is one square groove (310) width away.

4. The columnar multifunctional counter according to claim 3, characterized in that: The core column (200) includes an inner column shell (220) rotatably connected to the inner top of the outer column shell (100); the outer wall of the inner column shell (220) is rotatably connected to the inner wall of the digital ring (300); the inner bottom of the inner column shell (220) is fixedly connected to an external threaded ring (221); the outer wall of the external threaded ring (221) is screwed together with a bottom cover (210).

5. The columnar multifunctional counter according to claim 4, characterized in that: The inner bottom surface of the bottom cover (210) is provided with a receiving groove (211), and a hard plastic sheet is embedded and fixed on the inner wall of the receiving groove (211), and a permanent magnet is embedded and fixed on the inner bottom of the receiving groove (211).

6. The columnar multifunctional counter according to claim 1, characterized in that: The top surface of the outer cylindrical shell (100) is provided with a plus-minus scale (400), and the top surface of the outer cylindrical shell (100) is rotatably connected to a circular plate. The plus-minus scale (400) comprises an inner rotating disk (410) and an outer fixed disk (420), and the outer fixed disk (420) is adhered and fixed to the top surface of the outer cylindrical shell (100), and the top surface of the circular plate is adhered and fixed to the inner rotating disk (410).

7. The columnar multifunctional counter according to claim 6, characterized in that: The outer fixed disk (420) is divided into 20 equal parts, and integers 1-20 are engraved in a clockwise order inside the separated areas. The surface of the inner rotating disk (410) is divided into 20 equal parts, and arrows and integers 1-19 are engraved in a clockwise order inside the separated areas.

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