CN221040292U - Rotating wheel arithmetic unit - Google Patents
Rotating wheel arithmetic unit Download PDFInfo
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- CN221040292U CN221040292U CN202322775961.7U CN202322775961U CN221040292U CN 221040292 U CN221040292 U CN 221040292U CN 202322775961 U CN202322775961 U CN 202322775961U CN 221040292 U CN221040292 U CN 221040292U
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- 238000004364 calculation method Methods 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000013011 mating Effects 0.000 description 4
- 241000092161 Pithys Species 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a runner arithmetic unit, and relates to the technical field of calculation tools. The inner rotary wheel is rotationally connected with an inner rotary wheel, an outer ring number shaft and an inner ring number shaft are arranged on the outer rotary wheel, a plurality of marks are arranged on the outer ring number shaft, a plurality of marks are also arranged on the inner ring number shaft, the marks on the outer ring number shaft correspond to the marks on the inner ring number shaft, a number ring is arranged on the inner rotary wheel, a plurality of marks are arranged on the number ring, and after the inner rotary wheel rotates, the marks on the number ring correspond to the marks on the outer ring number shaft and the marks on the inner ring number shaft. The beneficial effects are that: through the design of the inner and outer rotating wheels, the operation is convenient, only the inner rotating wheel is required to be rotated, and the visual representation of rational number operation is realized through the mutual cooperation of the marks, so that students are in play, and the learning interest of the students is increased; the gears, springs and clamping pieces with the same number of teeth as the number of the number ring marks are arranged in the device, so that collision sounds are generated after each mark corresponds, and the use feeling is improved.
Description
Technical Field
The utility model relates to the technical field of computing tools, in particular to a runner arithmetic unit.
Background
When a student enters first school to learn mathematics, firstly, a rational number operation is touched, compared with a primary school positive number operation, a negative number operation is added in the rational number operation, the final result is not positive number, and for the student, the concept of the negative number or the negative number is not well understood, so that difficulty is generated in understanding the rational number operation, in order to enable the student to better accept the rational number and the rational number operation, a teacher usually teaches a student algorithm or an algorithm pithy formula and carries out a great deal of exercise with the student, but the algorithm or the pithy formula is not visual and is relatively boring, part of the students still cannot be comprehended, and because the memory burden of the student is increased, the memory rule or pithy formula is possibly disordered, so that the learning of the rational number operation is more unfavorable.
At present, an arithmetic unit which is suitable for students or teachers to carry out teaching is not available, the students cannot intuitively see the arithmetic of rational numbers, and the interestingness cannot be reflected in the teaching process, so that the interest of the students in mathematical learning is maintained or increased.
Based on this, the applicant proposes a wheel operator to solve the above technical problems.
Disclosure of utility model
The utility model provides a runner arithmetic unit aiming at the defects in the prior art so as to solve the technical problems.
The utility model is solved by the following technical scheme:
the utility model provides a runner arithmetic unit, includes outer runner, rotate on the outer runner and be connected with the inward turning wheel, be provided with outer ring number axle and inner ring number axle on the outer runner, be provided with a plurality of sign on the outer ring number axle, also be provided with a plurality of sign on the inner ring number axle, the sign on the outer ring number axle with the sign on the inner ring number axle corresponds, be provided with the number ring on the inner ring, be provided with a plurality of sign on the number ring, after the inner ring rotates, the sign on the number ring with the sign on the outer ring number axle and the sign on the inner ring number axle corresponds each other.
Preferably, the outer rotating wheel is provided with a matching groove, a shaft hole is arranged in the matching groove, and the inner rotating wheel is installed in the matching groove through a rotating shaft.
Preferably, a connecting seat is arranged on the inner rotating wheel, and the rotating shaft is fixedly arranged on the connecting seat.
Preferably, a gear is further arranged on the outer side of the connecting seat, and a mounting groove is formed in the matching groove and used for accommodating the gear.
Preferably, the side wall of the mounting groove is provided with a mounting hole, a clamping piece is movably mounted in the mounting hole, the clamping piece is connected with the mounting hole through a spring, and the clamping piece is connected with the gear in a matched mode.
Preferably, the number of teeth of the gear is the same as the number of marks on the ring.
Preferably, a boundary line is arranged on the outer rotating wheel, a crossing boundary line and a directional arrow are arranged on the inner rotating wheel, and the crossing boundary line is opposite to the directional arrow.
Preferably, the marks on the outer ring number shaft, the marks on the inner ring number shaft and the marks on the number ring are arranged at equal intervals.
Preferably, the inner rotating wheel is also provided with an operation mark.
Preferably, the inner rotor comprises an inner rotor A mounted on one side of the outer rotor, and the counter ring comprises a counter ring A arranged on the inner rotor A.
Preferably, the inner rotor further comprises an inner rotor B mounted on the other side of the outer rotor, and the counter ring further comprises a counter ring B arranged on the inner rotor B.
The utility model has the beneficial effects that: through the design of the inner and outer rotating wheels, the operation is convenient, only the inner rotating wheel is required to be rotated, and the visual representation of rational number operation is realized through the mutual coordination of the boundary line, the dividing line and the directional arrow, so that students are in play, and the learning interest of the students is increased; the gears, springs and clamping pieces with the same number of teeth as the number of the number ring marks are arranged in the device, so that collision sounds are generated after each mark corresponds, and the use feeling is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following discussion will discuss the embodiments or the drawings required in the description of the prior art, and it is obvious that the technical solutions described in connection with the drawings are only some embodiments of the present utility model, and that other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the addition surface of the present utility model.
Fig. 2 is a schematic perspective view of a subtracting face of the present utility model.
Fig. 3 is an exploded view of a three-dimensional structure of the present utility model.
Fig. 4 is a perspective view of the present utility model.
Fig. 5 is a perspective view in half section of the present utility model.
Fig. 6 is an enlarged schematic view of a portion of fig. 5 at a.
Fig. 7 is a schematic view of the use state of embodiment 2 of the present utility model.
Fig. 8 is a schematic view of the use state of embodiment 3 of the present utility model.
Fig. 9 is a schematic view of the use state of embodiment 4 of the present utility model.
Fig. 10 is a schematic view of the use state of embodiment 5 of the present utility model.
In the figure: 1. the outer rotating wheel, 11, the dividing line, 12, the outer ring number shaft, 13, the inner ring number shaft, 14, the matching groove, 15, the mounting groove, 16, the shaft hole, 17, the mounting hole, 2, the inner rotating wheel A,21, the number ring A,3, the inner rotating wheel B,31, the number ring B,4, the rotating shaft, 5, the gear, 6, the clamping piece, 7, the spring, 8, the connecting seat, 9, the pointing arrow, 10 and the cross-boundary line.
Detailed Description
The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person of ordinary skill in the art without the need for inventive faculty, are within the scope of the utility model, based on the embodiments described in the present utility model.
Example 1
As shown in fig. 1 to 6, a rotary wheel arithmetic unit of the present utility model comprises an outer rotary wheel 1, an inner rotary wheel is rotatably connected to the outer rotary wheel 1, a mating groove 14 is provided on the outer rotary wheel 1, a shaft hole 16 is provided in the mating groove 14, the inner rotary wheel is mounted in the mating groove 14 through a rotary shaft 4, a connecting seat 8 is provided on the inner rotary wheel, the rotary shaft 4 is fixedly mounted on the connecting seat 8, a gear 5 is further provided outside the connecting seat 8, a mounting groove 15 is provided in the mating groove 14, the mounting groove 15 is used for accommodating the gear 5, a mounting hole 17 is provided on a side wall of the mounting groove 15, a clip 6 is movably mounted in the mounting hole 17, the clip 6 is connected with the mounting hole 17 through a spring 7, the clip 6 is cooperatively connected with the gear 5, the number of teeth of the gear 5 is the same as the number of marks on the ring, so that after each mark corresponds, the clamping piece 6 just collides and abuts against between two teeth of the gear 5, and simultaneously, the outer rotating wheel 1 is provided with an outer ring number shaft 12 and an inner ring number shaft 13, the outer ring number shaft 12 is provided with a plurality of marks, the inner ring number shaft 13 is also provided with a plurality of marks, the marks on the outer ring number shaft 12 correspond to the marks on the inner ring number shaft 13, the inner rotating wheel is provided with a number ring, the number ring is provided with a plurality of marks, after the inner rotating wheel rotates, the marks on the number ring correspond to the marks on the outer ring number shaft 12 and the marks on the inner ring number shaft 13, the marks on the outer ring number shaft 12, the marks on the inner ring number shaft 13 and the marks on the number ring are equally spaced, the inner rotating wheel is also provided with operation marks, the inner rotating wheel comprises an inner rotating wheel A2 arranged on one side of the outer rotating wheel 1, the number ring comprises a number ring A21 arranged on the inner rotating wheel A2, the inner rotating wheel further comprises an inner rotating wheel B3 arranged on the other side of the outer rotating wheel 1, the number ring further comprises a number ring B31 arranged on the inner rotating wheel B3, a dividing line 11 is arranged on the outer rotating wheel 1, a crossing boundary line 10 and a pointing arrow 9 are arranged on the inner rotating wheel, and the crossing boundary line 10 and the pointing arrow 9 are arranged oppositely.
In the above embodiment, each of the above identifications may be set according to actual needs.
Example 2
As shown in fig. 7, the present embodiment provides an example of calculation after the inner race rotates counterclockwise (within 180 deg.) from the initial position of fig. 1 under the addition operation,
In the digital marks of the outer rotating wheel 1 rotated across the boundary line 10, the sum of the numbers on the inner ring number axis 13 and the corresponding numbers on the number ring is equal to the digital mark on the outer ring number axis 12 pointed by the directional arrow 9, and the sum of the numbers on the outer ring number axis 12 and the corresponding numbers on the number ring is equal to the digital mark on the inner ring number axis 13 pointed by the directional arrow 9:
（-7）+（-6）=-13；12+（-7）=5；
Within 180 ° of anticlockwise, in the numerical identifiers of the outer wheel 1 not rotated across the boundary line 10, the sum of the number on the inner ring number axis 13 and the corresponding number on the number ring is equal to the numerical identifier on the inner ring number axis 13 indicated by the pointing arrow 9, and the number on the outer ring number axis 12 does not participate in the operation:
（-2）+7=5；
Within 180 ° clockwise, the sum of the number on the inner ring number axis 13 and the number corresponding to the number ring is equal to the number identification on the inner ring number axis 13 indicated by the pointing arrow 9, and the sum of the number on the outer ring number axis 12 and the number corresponding to the number ring is equal to the number identification on the outer ring number axis 12 indicated by the pointing arrow 9:
8+（-3）=5；（-12）+（-1）=-13；
Example 3
As shown in fig. 8, the present embodiment provides an example of calculation of the inner race (within 180 deg.) after clockwise rotation from the initial position of fig. 1 under addition operation,
In the digital marks of the outer rotating wheel 1 rotated across the boundary line 10, the sum of the numbers on the inner ring number axis 13 and the corresponding numbers on the number ring is equal to the digital mark on the outer ring number axis 12 pointed by the directional arrow 9, and the sum of the numbers on the outer ring number axis 12 and the corresponding numbers on the number ring is equal to the digital mark on the inner ring number axis 13 pointed by the directional arrow 9:
8+9=16；（-10）+8=-2；
In the range of 180 ° clockwise, among the numerical identifiers of the outer wheel 1 which are not rotated across the boundary line 10, the sum of the numbers on the inner ring number axis 13 and the corresponding numbers on the number ring is equal to the numerical identifier on the inner ring number axis 13 indicated by the pointing arrow 9, and the numbers on the outer ring number axis 12 do not participate in the operation:
4+（-6）=-2；
Within 180 ° of anticlockwise, the sum of the number on the inner ring number axis 13 and the number corresponding to the number ring is equal to the number identifier on the inner ring number axis 13 indicated by the pointing arrow 9, and the sum of the number on the outer ring number axis 12 and the number corresponding to the number ring is equal to the number identifier on the outer ring number axis 12 indicated by the pointing arrow 9:
（-3）+1=-2；13+3=16；
Example 4
As shown in fig. 9, the present embodiment provides an example of calculation after the inner race rotates counterclockwise (within 180 deg.) from the initial position of fig. 1 under subtraction,
In the numerical identifiers of the outer wheel 1 rotated across the boundary line 10, the difference between the number on the inner ring number axis 13 and the corresponding number on the number ring is equal to the numerical identifier on the outer ring number axis 12 indicated by the directional arrow 9, and the difference between the number on the outer ring number axis 12 and the corresponding number on the number ring is equal to the numerical identifier on the inner ring number axis 13 indicated by the directional arrow 9:
（-8）-8=-16；10-8=2；
Within 180 ° of anticlockwise, in the numerical identifiers of the outer wheel 1 not rotated across the boundary line 10, the difference between the number on the inner ring number axis 13 minus the corresponding number on the number ring is equal to the numerical identifier on the inner ring number axis 13 indicated by the pointing arrow 9, and the number on the outer ring number axis 12 does not participate in the operation:
（-5）-（-7）=2；
Within 180 ° clockwise, the difference between the number on the inner ring number axis 13 minus the corresponding number on the number ring is equal to the number on the inner ring number axis 13 indicated by the pointing arrow 9, and the difference between the number on the outer ring number axis 12 minus the corresponding number on the number ring is equal to the number on the outer ring number axis 12 indicated by the pointing arrow 9:
6-4=2；（-14）-2=-16；
Example 5
As shown in fig. 10, the present embodiment provides an example of calculation of the inner race after clockwise rotation (within 180 deg.) from the initial position of fig. 1 under subtraction,
In the numerical identifiers of the outer wheel 1 rotated across the boundary line 10, the difference between the number on the inner ring number axis 13 and the corresponding number on the number ring is equal to the numerical identifier on the outer ring number axis 12 indicated by the directional arrow 9, and the difference between the number on the outer ring number axis 12 and the corresponding number on the number ring is equal to the numerical identifier on the inner ring number axis 13 indicated by the directional arrow 9:
7-（-6）=13；（-13）-（-8）=-5；
In the range of 180 ° clockwise, in the number marks of the outer wheel 1 which are not rotated across the boundary line 10, the difference of the number on the inner ring number axis 13 minus the corresponding number on the number ring is equal to the number mark on the inner ring number axis 13 indicated by the pointing arrow 9, and the number on the outer ring number axis 12 does not participate in the operation:
1-6=-5；
Within 180 ° of anticlockwise, the difference between the number on the inner ring number axis 13 minus the corresponding number on the number ring is equal to the number on the inner ring number axis 13 indicated by the pointing arrow 9, and the difference between the number on the outer ring number axis 12 minus the corresponding number on the number ring is equal to the number on the outer ring number axis 12 indicated by the pointing arrow 9:
（-7）-（-2）=-5；14-1=13；
it will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the utility model is indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A wheel arithmetic unit, characterized in that: including outer runner (1), rotate on outer runner (1) and be connected with the inward turning wheel, be provided with outer ring counter shaft (12) and interior ring counter shaft (13) on outer runner (1), be provided with a plurality of sign on outer ring counter shaft (12), also be provided with a plurality of sign on interior ring counter shaft (13), the sign on outer ring counter shaft (12) with the sign on interior ring counter shaft (13) corresponds, be provided with the counter ring on the interior runner, be provided with a plurality of sign on the counter ring, after the interior runner rotates, the sign on the counter ring with the sign on outer ring counter shaft (12) and the sign on interior ring counter shaft (13) corresponds each other.
2. A wheel arithmetic unit as claimed in claim 1, wherein: the outer rotating wheel (1) is provided with a matching groove (14), a shaft hole (16) is formed in the matching groove (14), and the inner rotating wheel is installed in the matching groove (14) through a rotating shaft (4).
3. A wheel arithmetic unit as claimed in claim 2, characterized in that: the inner rotating wheel is provided with a connecting seat (8), and the rotating shaft (4) is fixedly arranged on the connecting seat (8).
4. A wheel operator according to claim 3, characterized in that: the connecting seat (8) is characterized in that a gear (5) is further arranged on the outer side of the connecting seat, a mounting groove (15) is formed in the matching groove (14), and the mounting groove (15) is used for accommodating the gear (5).
5. The wheel operator of claim 4, wherein: the mounting groove (15) is characterized in that a mounting hole (17) is formed in the side wall of the mounting groove (15), a clamping piece (6) is movably mounted in the mounting hole (17), the clamping piece (6) is connected with the mounting hole (17) through a spring (7), and the clamping piece (6) is connected with the gear (5) in a matched mode.
6. The wheel operator of claim 4, wherein: the number of teeth of the gear (5) is the same as the number of marks on the number ring.
7. A wheel arithmetic unit as claimed in claim 1, wherein: the outer rotating wheel (1) is provided with a dividing line (11), the inner rotating wheel is provided with a crossing boundary line (10) and a directional arrow (9), and the crossing boundary line (10) is opposite to the directional arrow (9).
8. A wheel arithmetic unit as claimed in claim 1, wherein: the marks on the outer ring number shaft (12), the marks on the inner ring number shaft (13) and the marks on the number rings are arranged at equal intervals.
9. A wheel arithmetic unit as claimed in claim 1, wherein: the inner rotating wheel comprises an inner rotating wheel A (2) arranged on one side of the outer rotating wheel (1), and the number ring comprises a number ring A (21) arranged on the inner rotating wheel A (2).
10. The wheel operator of claim 9, wherein: the inner rotating wheel also comprises an inner rotating wheel B (3) arranged on the other side of the outer rotating wheel (1), and the number ring also comprises a number ring B (31) arranged on the inner rotating wheel B (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322775961.7U CN221040292U (en) | 2023-10-17 | 2023-10-17 | Rotating wheel arithmetic unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322775961.7U CN221040292U (en) | 2023-10-17 | 2023-10-17 | Rotating wheel arithmetic unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221040292U true CN221040292U (en) | 2024-05-28 |
Family
ID=91172264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322775961.7U Active CN221040292U (en) | 2023-10-17 | 2023-10-17 | Rotating wheel arithmetic unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221040292U (en) |
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2023
- 2023-10-17 CN CN202322775961.7U patent/CN221040292U/en active Active
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