CN2552109Y - Addition and subtraction exerciser for infant - Google Patents
Addition and subtraction exerciser for infant Download PDFInfo
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- CN2552109Y CN2552109Y CN 02238651 CN02238651U CN2552109Y CN 2552109 Y CN2552109 Y CN 2552109Y CN 02238651 CN02238651 CN 02238651 CN 02238651 U CN02238651 U CN 02238651U CN 2552109 Y CN2552109 Y CN 2552109Y
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- dish
- numerical reference
- garden
- pull bar
- tooth bar
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Abstract
An addition and subtraction exerciser for an infant belongs to the teaching tool of mathematics for the infant, or can be an intelligence toy. The exerciser consists of a panel, a lining plate, a calculating button, a number marking disc and a ratchet pull rod. When the calculating button is pulled or pushed, the panel displays the correct addition and subtraction formula within 10, so as to help the infant memory the formula of addition and subtraction.
Description
The utility model relates to a kind of child's plus-minus method formula exercising machine, belongs to elementary teaching aid field.
The plus-minus method pithy formula is the basic content of infant mathematics formative education, has only the many white silks of many thoughts just can learn off and learns off.Only read and do not see, influence results of learning, mouthful eye combination just can enhance memory.
The purpose of this utility model provides a kind of child's plus-minus method formula exercising machine.Fenestra and computing knob are arranged on the exercising machine panel, inside is provided with three marks that can rotate the 10 garden dishes with interior numeral, push-and-pull computing knob, three gardens dish is rotated by the rule of setting, numeral of mark just can occur in the panel fenestra successively on it, with on the panel+,-,=symbol arrangement becomes correct one by one formula.The contrast formula can be grasped the signed magnitude arithmetic(al) pithy formula quickly.
The utility model is achieved in that
In the exercising machine panel back, a liner plate that be arranged in parallel with panel is arranged, and liner plate can slide up and down in the liner plate chute of back side of panel, and the liner plate upper edge has two liner plate springs to withstand the exercising machine shell, force liner plate to be in the normal position, the liner plate top has a pulling knob to pass the exercising machine shell.There are three minor axises vertical with the liner plate in-plane at the liner plate middle part, and the garden dish of a reference numbers is set respectively on the minor axis, and three numerical reference dishes can rotate on minor axis, but not overslaugh mutually is not overlapping yet.Mark has the arabic numeral of 0-10 around the numerical reference dish front.The numerical reference position that is positioned at three numerical reference dish topmosts on the liner plate respectively has a fenestra, this fenestra overlaps with the panel window hole site, see through fenestra, can see a numeral that is marked on the numerical reference dish from the front, when the numerical reference dish rotates, the numeral that is marked can occur according to the order of setting, be arranged on panel on sign of operation+or-,=mutual group becomes formula.Movable shutter is arranged behind the panel fenestra, and the wherein a slice shutter of leaving behind can cover a numeral in the formula, makes formula become incomplete equation, with the calculation ability of training child.For sake of convenience, see over from the exercising machine front, three numerical reference dishes are called A dish, B dish, C dish from left to right successively.When this exercising machine was done additive operation, the A dish was summand numerical reference dish, and the B dish is addend numerical reference dish, and the C dish is two addend sum numerical reference dishes.Wherein the numeral of A dish, the positive mark of B dish is 1,2,3,4,5,6,7,8,9, and labeling position is, around the ascending in the direction of the clock equidistant successively front that is arranged in the numerical reference dish, numeral 1 is aimed at mark dish datum line; The reference numbers of C dish is 2,3,4,5,6,7,8,9,10, and labeling position is ascending in the direction of the clock equidistant successively being arranged in around the numerical reference dish front, numeral 2 aligning mark dish datum lines.Among second embodiment of the present utility model, during the exercising machine subtraction, the A dish is minuend numerical reference dish, reference numbers is 10,9,8,7,6,5,4,3,2,1, labeling position is, descending in the direction of the clock equidistant successively being arranged in around the numerical reference dish front, numeral 10 is aimed at mark dish datum line; The B dish is subtrahend numerical reference dish, and reference numbers is 1,2,3,4,5,6,7,8,9,10, and labeling position is ascending in the direction of the clock equidistant successively being labeled in around the numerical reference dish front, numeral 1 aligning mark dish datum line; The C dish is the difference sign notes dish of two numbers, and reference numbers is 9,8,7,6,5,4,3,2,1,0, and labeling position is descending in the direction of the clock equidistant successively being labeled in around the numerical reference dish front, numeral 9 aligning mark dish datum lines.The numeral that marks on above-mentioned each numerical reference dish, suffix is towards numerical reference disk center.The periphery of each numerical reference dish all has several slope shape locating notches, and the digital number that is marked on the quantity of breach and this numerical reference dish equates that its position is corresponding with digit position.At the exercising machine back side of panel, near the foot position of numerical reference dish periphery, a place kick and retainer spring are set, rely on the thrust of retainer spring, place kick contacts with numerical reference dish locating notch with a suitable pressure.Like this, can know that with feel whether the rotation of numerical reference dish puts in place, can prevent the reversing of numerical reference dish again.At the numerical reference dish back side, helical teeth garden ring is arranged, this helical teeth garden ring is concentric and be connected to one with the numerical reference dish, and the digital number, the position that are marked on helical teeth quantity that the helical teeth garden is encircled and position and the numerical reference dish are corresponding.In ring outside, helical teeth garden, a garden of suit shape ring gear, ring gear internal diameter are slightly larger than ring garden, helical teeth peak place, helical teeth garden diameter.At the ring gear inner ring a microscler breach is arranged, the embedded snap clasp of breach, when ring gear rotated, the helical teeth that snap clasp can hook helical teeth garden ring drove the rotation of numerical reference dish.According to exercising machine back of the body apparent direction, the setting rotation direction of numerical reference dish is for clockwise rotating direction.When the ring gear reverse resetted, snap clasp slipped over helical teeth, simultaneously because the braking action of place kick makes the numerical reference dish keep original position motionless.In ring the inside, helical teeth garden, a web-like spring leaf is arranged, the two ends of spring leaf are separately fixed on helical teeth garden ring and the liner plate minor axis, and when the numerical reference dish rotated, spring leaf was drawn the volume energy storage gradually.The structure and the rotation formula of above-mentioned each numerical reference dish are identical.At A, B, C three dish ragged edges a spacing preiection is arranged along the datum line place, when the numeral on the C dish 10 (numeral 0 of C dish during subtraction) when going to the panel window hole site, spacing preiection contacts with limited block on the liner plate, and prevention numerical reference dish is rotated further.The first holding position of the setting of three numerical reference dishes of this exercising machine, datum line all makes progress, and like this, when doing additive operation, the initial formula that occurs on the panel is 1+1=2, and during subtraction, the initial formula that occurs on the panel is 10-1=9.Below three numerical reference dishes, the position tangent with ring gear has three tooth bar pull bars to mesh with three ring gears respectively.For sake of convenience, see over, be followed successively by A tooth bar pull bar, B tooth bar pull bar, C tooth bar pull bar from right to left from the exercising machine back side.Ring gear engagement on A tooth bar pull bar and the A dish, ring gear engagement on B tooth bar pull bar and the B dish, ring gear engagement on C tooth bar pull bar and the C dish, three tooth bar pull bars can both horizontally slip in the pull bar chute of back side of panel setting, wherein, C tooth bar pull bar right-hand member connects with pull bar garden axle is movable with B tooth bar pull bar left end, and the garden circle part of tension spring is enclosed within on the axle of pull bar garden, rely on the upwards tension force of tension spring, make the teeth and the engagement of the ring gear teeth on the B dish of B tooth bar pull bar; The right-hand member of B tooth bar pull bar is an inclined downward, and the inclined-plane is upper left a upright part; The left end of A tooth bar pull bar has a rotating Propelling wheel, and under the computing initial state of setting, Propelling wheel is positioned at below, B tooth bar pull bar right-hand member inclined-plane; C tooth bar pull bar and B tooth bar pull bar use a shared computing knob, and A tooth bar pull bar uses another operation independent knob separately, and two computing knobs pass from the panel slotted hole respectively, are convenient to operation.Like this, when shared computing knob when (panel back of the body apparent direction) is mobile left, B, C two tooth bar pull bars move to left, affect B, C two dishes to make clockwise direction and rotate simultaneously, when A tooth bar pull bar when (panel back of the body apparent direction) is mobile, its left end Propelling wheel contact B tooth bar pull bar right-hand member inclined-plane, force B tooth bar pull bar downward-sloping and make teeth break away from B dish ring gear left, then promote C tooth bar pull bar and move to left, A dish and C dish change an equal angular simultaneously and the maintenance of B dish is static.Respectively there is a back-moving spring at two ends, the left and right sides at C, A two tooth bar pull bars, reset to help pull bar.
Owing to take above-mentioned design,, make the exercise of plus-minus method pithy formula, enhance memory effect to cooperate the child as long as this exercising machine of simple operations just can occur 10 one by one with interior all correct formula.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1, child's plus-minus method formula exercising machine front schematic view (formula is the initial formula of assembling).
Fig. 2, child's plus-minus method formula exercising machine inner structure rear view.
Fig. 3, child's plus-minus method formula exercising machine inner structure sectional side view.
Fig. 4, A dish numerical reference position front view (FV).
Fig. 5, B dish numerical reference position front view (FV).
Fig. 6, C dish numerical reference position front view (FV).
When Fig. 7, second embodiment subtraction of the present utility model, A dish numerical reference position front view (FV).
When Fig. 8, second embodiment subtraction of the present utility model, B dish numerical reference position front view (FV).
When Fig. 9, second embodiment subtraction of the present utility model, C dish numerical reference position front view (FV).
When Figure 10, second embodiment subtraction of the present utility model, panel front figure.(formula is the initial formula of assembling.)
Among the figure, 1. exercising machine shell, 2. panel, 3. liner plate, 4. liner plate chute, 5. liner plate spring, 6. pulling knob, 7. liner plate minor axis, 8. liner plate fenestra, 9. panel fenestra, 10. shutter, 11.A dish, 12.B dish, 13.C dish, 14. datum lines, 15. locating notches, 16. place kick, 17. retainer springs, 18. helical teeth gardens ring, 19. garden shape ring gears, 20. microscler breach, 21. snap clasps, 22. web-like spring leafs, 23. spacing preiections, 24. limited block, 25.A tooth bar pull bar, 26.B tooth bar pull bar, 27.C the tooth bar pull bar, 28. pull bar chutes, 29. pull bar garden axles, 30. tension spring, 31. inclined-planes, 32. Propelling wheels, 33. shared computing knob, 34. operation independent knobs, 35. back-moving springs.
Among Fig. 1, the initial set holding position of the utility model A dish (11), B dish (12), C dish (13), datum line (14) all upwards, that is: when doing additive operation, numeral 1 on A dish (11), the B dish (12) and the numeral 2 on the C dish (13) are all in mark dish the top, numeral 1,1,2 appears at liner plate fenestra (8) and panel fenestra (9) the inside, form formula 1+1=2 together with sign of operation, the spacing preiection (23) on A, B, C dish (11), (12), (13) leans against the right side of limited block among Fig. 2 (24) at this moment.Positive apparent direction by panel (2) spurs shared computing knob (33) to the right, B dish (12) and C dish (13) are simultaneously by counterclockwise rotating a helical teeth angle, stop when place kick (16) moves to next locating notch (15) relatively, formula 1+2=3 appears in window.Repeat above action, formula 1+3=4 appears in fenestra, and up to 1+9=10, spacing preiection this moment (23) touches limited block (24) opposite side, and this unitary operation stops, and spring leaf (22) is fully drawn volume to store reverse potential energy.Mention liner plate pulling knob (6), liner plate (3) moves on all together with A dish (11), B dish (12), C dish (13), locating notch (15) leaves place kick (16), garden shape ring gear (19) is thrown off with three tooth bar pull bars (25), (26), (27), B, C two dishes are reset to initial state rapidly, and the fenestra formula reverts to 1+1=2.Because reset speed is very fast, the formula of mistake can not appear in the fenestra.Pulling operation independent knob (34) carries out another and takes turns computing, and the fenestra formula is followed successively by 2+1=3,3+1=4, and until 9+1=10, computing stops resetting.Shared computing knob (33) and operation independent (34) can replace pull operation, and arbitrarily two addends of conversion all correct formula can occur in the fenestra.
In Fig. 7, Fig. 8, Fig. 9, second embodiment of the utility model shown in Figure 10 during subtraction, sign of operation is labeled as-,=, the initial set holding position datum line of exercising machine A dish, B dish, C dish all makes progress, the numeral that occurs in the fenestra is 10,1,9, initial formula is 10-1=9, and its arithmetic operation and reseting procedure are identical with additive operation.When the number of equaling the right numeral was 0 in the formula, the spacing preiection (23) on the C dish (13) touched limited block (24), and computing stops, resets, and carries out the next round computing again.In the signed magnitude arithmetic(al) process, any shutter of can leaving behind covers certain numeral in the formula, to strengthen child's arithmetic capability.
Claims (3)
1, a kind of child's plus-minus method formula exercising machine is characterized in that:
A. exercising machine panel upper lateral has three fenestras, see through fenestra and can see the numeral that marks on the exercising machine internal digital mark dish, the sign of operation that is provided with on this numeral and the panel is formed formula, and when exercising machine was in the initial state of setting, the formula that is presented was 1+1=2;
B. the numeral that marked of summand numerical reference dish and addend numerical reference dish front is 1,2,3,4,5,6,7,8,9, and is ascending in the direction of the clock, equidistant successively being labeled in around the numerical reference dish, digital 1 alignment fiducials line;
C. the numeral of the positive mark of two addend sum numerical reference dishes is 2,3,4,5,6,7,8,9,10, ascending in the direction of the clock equidistant successively being labeled in around the numerical reference dish, digital 2 alignment fiducials lines;
D. three numerical reference dishes has the slope shape locating notch on every side, and the quantity of locating notch is identical with the digital number that the mark dish is marked, and its position is corresponding with the digit position that is marked;
E. there is helical teeth garden ring at the numerical reference dish back side, and helical teeth garden ring is concentric and be fixed as one with the numerical reference dish, and the digital number that marks on the numerical reference dish at the number of helical teeth and place is identical, and the position is corresponding with digit position;
F. the garden shape ring gear that one of the movable set in outside can rotate is encircled in the helical teeth garden, the ring gear inner ring has a microscler breach, and the embedded snap clasp of breach is when ring gear rotates, snap clasp hooks the helical teeth of helical teeth garden ring, makes helical teeth garden ring do to rotate in the same way together with numerical reference dish and ring gear;
G. an end of web-like spring leaf is fixed on the ring inner ring of helical teeth garden, and the other end is fixed on the liner plate minor axis;
H. the edge of three numerical reference dishes, press close to the datum line place, a spacing preiection is respectively arranged;
I.A tooth bar pull bar, B tooth bar pull bar, C tooth bar pull bar can in the pull bar chute, horizontally slip and respectively with A dish, B dish, C dish on ring gear mesh;
J.C tooth bar pull bar right-hand member connects with the garden axle is movable with B tooth bar pull bar left end, and the circle position, garden of tension spring is enclosed within on the axle of garden, and the tension direction of spring upwards;
The right-hand member of k.B tooth bar pull bar is an inclined downward, and the inclined-plane is upper left a upright part;
L. Propelling wheel that can rotate of the left end removable mounting of A tooth bar pull bar, under the initial state of setting, Propelling wheel is positioned at B tooth bar pull bar inclined-plane lowest part;
M. place kick is contacted with locating notch by the thrust of retainer spring;
N. three numerical reference dishes are arranged on the liner plate, and liner plate can move up and down in the liner plate chute.
2, child's plus-minus method formula exercising machine according to claim 1 is characterized in that:
A. during subtraction, the formula that the initial state panel of its setting manifests is 10-1=9;
B. during subtraction, the reference numerals on the A dish is 10,9,8,7,6,5,4,3,2,1, descending in the direction of the clock equidistant successively being labeled in around the numerical reference dish front, digital 10 alignment fiducials lines;
C. during subtraction, the reference numbers on the B dish is 1,2,3,4,5,6,7,8,9,10, ascending in the direction of the clock equidistant successively being labeled in around the numerical reference dish front, digital 1 alignment fiducials line;
D. during subtraction, the reference numbers on the C dish is 9,8,7,6,5,4,3,2,1,0, descending in the direction of the clock equidistant successively being labeled in around the numerical reference dish front, digital 9 alignment fiducials lines.
3, child's plus-minus method formula exercising machine according to claim 1 is characterized in that: movable shutter is arranged behind the panel fenestra.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238651 CN2552109Y (en) | 2002-06-12 | 2002-06-12 | Addition and subtraction exerciser for infant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238651 CN2552109Y (en) | 2002-06-12 | 2002-06-12 | Addition and subtraction exerciser for infant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2552109Y true CN2552109Y (en) | 2003-05-21 |
Family
ID=33712284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02238651 Expired - Fee Related CN2552109Y (en) | 2002-06-12 | 2002-06-12 | Addition and subtraction exerciser for infant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2552109Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390361A (en) * | 2012-05-09 | 2013-11-13 | 南京博创工业产品设计有限公司 | Interaction arithmetic panel |
| CN108854046A (en) * | 2018-07-12 | 2018-11-23 | 湘潭大学 | A kind of adder based on series connection ratchet mechanism |
| CN113487941A (en) * | 2021-08-12 | 2021-10-08 | 陈红梅 | Preschool education display teaching aid and operation method |
-
2002
- 2002-06-12 CN CN 02238651 patent/CN2552109Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390361A (en) * | 2012-05-09 | 2013-11-13 | 南京博创工业产品设计有限公司 | Interaction arithmetic panel |
| CN103390361B (en) * | 2012-05-09 | 2016-02-17 | 南京博创工业产品设计有限公司 | Interaction arithmetic panel |
| CN108854046A (en) * | 2018-07-12 | 2018-11-23 | 湘潭大学 | A kind of adder based on series connection ratchet mechanism |
| CN113487941A (en) * | 2021-08-12 | 2021-10-08 | 陈红梅 | Preschool education display teaching aid and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |