CN102698433A - Differential gear train multiplier - Google Patents
Differential gear train multiplier Download PDFInfo
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- CN102698433A CN102698433A CN2012102159850A CN201210215985A CN102698433A CN 102698433 A CN102698433 A CN 102698433A CN 2012102159850 A CN2012102159850 A CN 2012102159850A CN 201210215985 A CN201210215985 A CN 201210215985A CN 102698433 A CN102698433 A CN 102698433A
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Abstract
The invention discloses a differential gear train multiplier. The conventional multipliers include a card type multiplier, an abacus type multiplier and an electronic multiplier. Although the conventional multipliers are low in cost, an ordinary multiplication teaching mode cannot be changed, and the interest of children in multiplication cannot be cultivated. The differential gear train multiplier comprises a first layer differential gear train, a second layer differential gear train, a planet carrier, a No.3 disk support ring, a No.3 disk, a No.2 disk, a No.1 disk connecting disk, a clamping shaft, a clamping cylinder, a fixed shaft, a shaft, a base, an indicating needle and an indicating needle sleeve, wherein the first layer differential gear train comprises a first layer sun wheel, a first layer planetary gear and a first layer inner gear; and the second layer differential gear train comprises a second layer sun wheel, a second layer planetary gear and a second layer inner gear. The differential gear train multiplier has the advantages of simple mechanical structure, low cost, easiness for operating and rapidness for grasping, and is a multiplication tool which can be used for activating the multiplication interest of children.
Description
Technical field
The invention belongs to mechanical intelligence development type toy technical field, relate to a kind of differential gear train multiplier, especially a kind of mechanical multiplier of realizing the multiplication computing with train.
Background technology
Multiplier, as its name suggests, its function is calculated multiplication exactly, being realized through external tool by the computing that human brain is accomplished.Multiplying is the technical ability that the pupil must learn.Now, a lot of heads of a family long to see the son succeed in life, and let child carry on the back the multiplication table in advance.To the end, the child only numeral in the multiplication table of remembeing as the machinery arranges, and lacks the interest to multiplying.The multiplication toy has just well solved this difficult problem.In existing main children's multiplication toy, mainly be divided three classes: card form, abacus type, electronic type.
Card form multiplication toy is that the combination through card realizes multiplication.Though this is with low cost, can't change common multiplication teaching pattern, can't cultivate the interest of children to multiplication.
Abacus type multiplication toy is on the basis of abacus, to improve a little to form.Use this toy must remember some abacus pithy formulas, child is not easy to play left-hand seat.
Electronic type multiplication toy is realized after through electronic product (like computer) install software.This toy cost is high, and is bad to child's eyes facing to the electronics screen for a long time, and how electronic product has used later child habit-forming easily.
Therefore, we need a cost low, and left-hand seat can excite the multiplication toy of child to multiplication interest easily.
Summary of the invention
The objective of the invention is deficiency, a kind of differential gear train multiplier is provided, a kind of multiplier that utilizes frame for movement to realize to prior art.
The technical solution adopted for the present invention to solve the technical problems is following:
The present invention includes ground floor differential gear train, second layer planet circular system, planet carrier, three dialer support rings, three dialers, two dialers, a dialer terminal pad, a dialer, screens axle, screens cylinder, unmoving axle, axle, base, pointer, pointer sleeve;
The ground floor differential gear train comprises ground floor sun gear, ground floor planetary gear, ground floor internal gear; Second layer planet circular system comprises second layer sun gear, second layer planetary gear, second layer internal gear.
One end of unmoving axle is fixed on the base axle center; And the axle center of unmoving axle is vertical with base plane, and the other end of unmoving axle passes the axis through-hole of second layer sun gear axle center through hole, planet carrier axis through-hole, ground floor sun gear axle center through hole, a dialer terminal pad axis through-hole, screens cylinder axis through-hole, a dialer and the through hole of pointer one end successively; Wherein, second layer sun gear is positioned at the 3rd layer of ladder of unmoving axle, fixes with unmoving axle; Planet carrier is positioned at the second layer ladder of unmoving axle, with the unmoving axle matched in clearance; Ground floor sun gear, a dialer terminal pad, screens cylinder, a dialer and pointer all are positioned at the ground floor ladder of unmoving axle; The ground floor sun gear is connected with unmoving axle through bearing; And can rotate along unmoving axle; One dialer terminal pad, a dialer, pointer all with the unmoving axle matched in clearance, the screens cylinder is fixed on the unmoving axle through holding screw; The pointer jacket casing is fixed on pointer on the unmoving axle at the other end of unmoving axle;
Described unmoving axle be four layers stepped, be ground floor ladder, second layer ladder, the 3rd layer of ladder, the 4th layer of ladder from top to bottom, and external diameter increases from top to down successively, be the 4th layer of ladder of unmoving axle with the base axle center fixes;
A described dialer terminal pad is a cylindrical shape, and an end is open, end sealing, and have axis through-hole in the middle of the blind end, a dialer terminal pad fixes with a dialer, ground floor sun gear simultaneously;
Described positioner comprises screens axle, screens cylinder; Whole positioner is arranged in the dialer terminal pad cylinder; And the screens axle is arranged between a dialer terminal pad and the dialer, and an end and a dialer are fixed, and the other end and a dialer terminal pad blind end fix; The screens cylinder is a cylinder, and the centre has through hole, and cylindrical sidewall is fixed with convexity, and when the angle that turns over when a dialer surpassed 360 °, the screens axle blocked the convexity on the screens cylinder;
Second layer internal gear is fixed on the three dialer support rings, and three dialer support rings are fixed on three dialers, and the ground floor internal gear is fixed on two dialers, and two dialers are arranged on ground floor planetary gear upper surface;
The cross section of described planet carrier is equilateral triangle, and the axle center of planet carrier and three angle ends all have through hole, and three axles run through the through hole of three angle ends respectively, and fixes through angle end through hole and planet carrier; The ground floor planetary gear comprises three planetary gears, and these three planetary gears are separately fixed on the axle head of three axles of planet carrier upper surface through bearing; Second layer planetary gear also comprises three planetary gears, and these three planetary gears are separately fixed on the axle head of three axles of planet carrier lower surface through bearing; Ground floor planetary gear, second layer planetary gear are meshed with ground floor internal gear, second layer internal gear respectively;
A described dialer is along circumferential equal angles 1～9 these nine numerals that distribute successively clockwise;
Described two dialers along circumferentially counterclockwise successively equal angles be divided into these nine zones of I～IX, each regional equal angles is distributed with nine numerals, concrete numeral size is calculated as follows:
Wherein,
expression i piece zone is along the numerical value of j numeral of counter clockwise direction; I, j are positive integer, and all less than 10;
Described three dialers are along circumferential equal angles 1～9 these nine numerals that distribute successively counterclockwise.
Beneficial effect of the present invention is following:
(1) frame for movement is simple, and cost is low.Frame for movement has only two-layer train, all available plastics of material, and requirement on machining accuracy is general, and required expense can not be higher than other common plastics toys.
(2) simple to operate, go up quick-moving.Operate this multiplier and only need rotate a dialer and three dialers, the numeral of two dialers can be automatically brought under the pointer, only need demonstrate a little, and child just can understand, and need not to remember any pithy formula.
(3) this multiplier can not only be cultivated the interest of child to multiplication, and can transfer the interest of child to machinery.Transparent plastic is all adopted in its outside, and the frame for movement of the inside comes into plain view, and children can not only strengthen the perceptual knowledge to multiplication, and also can become interested to the frame for movement of the inside through observing the frame for movement of the inside.
Description of drawings
Fig. 1 is an isometric drawing of the present invention;
Fig. 2 partly cuts open front view for the present invention;
Fig. 3 is a complete section vertical view of the present invention;
Fig. 4 is a left view of the present invention;
Fig. 5 is a transmission principle sketch map of the present invention;
Fig. 6 is the present invention's one dialer array sketch map;
Fig. 7 is the present invention's two dialer array sketch mapes;
Fig. 8 is the present invention's three dialer array sketch mapes;
Fig. 9 uses sketch map for the present invention;
Figure 10 is a positioner sketch map of the present invention.
Among the figure, second layer sun gear 1, second layer planetary gear 2, planet carrier 3, three dialer support rings 4, second layer internal gear 5, three dialers 6, two dialers 7, a dialer terminal pad 8, a dialer 9, screens axle 10, screens cylinder 11, unmoving axle 12, axle 13, ground floor sun gear 14, ground floor planetary gear 15, ground floor internal gear 16, base 17, pointer 18, pointer sleeve 19.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Be illustrated in figure 1 as isometric drawing of the present invention.
Like Fig. 2, Fig. 3, shown in Figure 4; The differential gear train multiplier, comprise ground floor differential gear train, second layer planet circular system, planet carrier 3, three dialer support rings 4, three dialers 6, two dialers 7, a dialer terminal pad 8, a dialer 9, screens axle 10, screens cylinder 11, unmoving axle 12, axle 13,, base 17, pointer 18, pointer sleeve 19;
The ground floor differential gear train comprises ground floor sun gear 14, ground floor planetary gear 15, ground floor internal gear 16; Second layer planet circular system comprises second layer sun gear 1, second layer planetary gear 2, second layer internal gear 5.
One end of unmoving axle 12 is fixed on the base axle center; And the axle center of unmoving axle 12 is vertical with base 17 planes, and the other end of unmoving axle passes the axis through-hole of second layer sun gear 1 axis through-hole, planet carrier 3 axis through-holes, ground floor sun gear 14 axis through-holes, a dialer terminal pad 8 axis through-holes, screens cylinder 11 axis through-holes, a dialer 9 and the through hole of pointer 18 1 ends successively; Wherein, second layer sun gear 1 is positioned at the 3rd layer of ladder of unmoving axle, fixes with unmoving axle; Planet carrier 3 is positioned at the second layer ladder of unmoving axle, with unmoving axle 12 matched in clearance; Ground floor sun gear 14, a dialer terminal pad 8, screens cylinder 11, a dialer 9 and pointer 18 all are positioned at the ground floor ladder of unmoving axle 12; Ground floor sun gear 1 is connected with unmoving axle 12 through bearing; And can rotate along unmoving axle 12; One dialer terminal pad 8, a dialer 9, pointer 18 all with unmoving axle 12 matched in clearance, screens cylinder 11 is fixed on the unmoving axle 12 through holding screw; Pointer sleeve 19 is enclosed within the other end of unmoving axle, and pointer is fixed on the unmoving axle 12;
Described unmoving axle 12 be four layers stepped, be ground floor ladder, second layer ladder, the 3rd layer of ladder, the 4th layer of ladder from top to bottom, and external diameter increases from top to down successively, be the 4th layer of ladder of unmoving axle 12 with the base axle center fixes;
A described dialer 9 terminal pads are cylindrical shape, and an end is open, end sealing, and have axis through-hole in the middle of the blind end, and a dialer terminal pad 8 fixes with a dialer 9, ground floor sun gear 14 simultaneously;
Shown in figure 10; Described positioner comprises screens axle 10, screens cylinder 11; Whole positioner is arranged in the dialer terminal pad cylinder; And screens axle 10 is arranged between a dialer terminal pad 8 and the dialer 9, and an end and a dialer 9 are fixing, and the other end and a dialer terminal pad 8 blind ends fix; Screens cylinder 11 is a cylinder, and the centre has through hole, and cylindrical sidewall is fixed with convexity, and when the angle that turns over when a dialer 9 surpassed 360 °, screens axle 10 blocked the convexity on the screens cylinder 11;
Second layer internal gear 5 is fixed on the three dialer support rings, and three dialer support rings 4 are fixed on three dialers 6, and ground floor internal gear 16 is fixed on two dialers 7, and two dialers 7 are arranged on ground floor planetary gear 15 upper surfaces;
The cross section of described planet carrier 3 is equilateral triangle, and the axle center of planet carrier 3 and three angle ends all have through hole, and three axles 13 run through the through hole of three angle ends respectively, and fixes through angle end through hole and planet carrier; Ground floor planetary gear 15 comprises three planetary gears, and these three planetary gears are separately fixed on the axle head of three axles 13 of planet carrier upper surface through bearing; Second layer planetary gear 2 also comprises three planetary gears, and these three planetary gears are separately fixed on the axle head of three axles 13 of planet carrier lower surface through bearing; Ground floor planetary gear 15, second layer planetary gear 2 are meshed with ground floor internal gear 16, second layer internal gear 5 respectively;
As shown in Figure 6, a described dialer 9 is along circumferential equal angles 1～9 these nine numerals that distribute successively clockwise;
As shown in Figure 7, described two dialers 7 along circumferentially counterclockwise successively equal angles be divided into these nine zones of I～IX, each regional equal angles is distributed with nine numerals, concrete numeral size is calculated as follows:
Wherein,
expression i piece zone is along the numerical value of j numeral of counter clockwise direction; I, j are positive integer, and all less than 10;
As shown in Figure 8, described three dialers 6 are along circumferential equal angles 1～9 these nine numerals that distribute successively counterclockwise.
Operation principle of the present invention is following:
As shown in Figure 5; The number of teeth of ground floor sun gear 14, ground floor planetary gear 15, ground floor internal gear 16 is identical with the number of teeth of second layer sun gear 1, second layer planetary gear 2, second layer internal gear 5 in the second layer planet circular system respectively in the ground floor differential gear train, and ground floor sun gear 14 is 1:9 with ground floor internal gear 16 gear ratios;
If ground floor sun gear 14 is fixing, then whole the present invention is about the chain-dotted line symmetry, and rotate second layer internal gear 5 this moment, ground floor internal gear 16 is rotated simultaneously, and second layer internal gear 5 is all identical with angle with the direction that ground floor internal gear 16 turns over;
If fruit second layer internal gear 5 is fixing; Have only the ground floor differential gear train active among then whole the present invention; And planet carrier can not rotate; If rotate ground floor sun gear 14, then ground floor internal gear 16 is understood along counter-rotation, and the angle that ground floor sun gear 14 turns over is 9 times that ground floor internal gear 16 turns over angle;
Shown in figure 10, said positioner is made up of screens axle 10 and screens cylinder 11, and the purpose of its existence is in order not allow angle that a dialer 9 turns over above 360 °.
The course of work of the present invention is following:
As shown in Figure 9, at first rotate a dialer 9, the numeral that lets pointer 18 point to want on the dialer 9 (this numeral is a positive integer, and less than 10);
Then rotate three dialers 6, the sensing of aligning pointer 18 during the digital same that will want (this numeral is a positive integer, and less than 10);
At this moment, the numeral of pointer 18 two dialers 7 pointed is a dialer 9 and three dialers, 6 these two products of wanting numeral.
The above-mentioned specific embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of claim of the present invention, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (2)
1. the differential gear train multiplier comprises ground floor differential gear train, second layer planet circular system, planet carrier, three dialer support rings, three dialers, two dialers, a dialer terminal pad, a dialer, screens axle, screens cylinder, unmoving axle, axle, base, pointer, pointer sleeve; It is characterized in that:
The ground floor differential gear train comprises ground floor sun gear, ground floor planetary gear, ground floor internal gear; Second layer planet circular system comprises second layer sun gear, second layer planetary gear, second layer internal gear;
One end of unmoving axle is fixed on the base axle center; And the axle center of unmoving axle is vertical with base plane, and the other end of unmoving axle passes the axis through-hole of second layer sun gear axle center through hole, planet carrier axis through-hole, ground floor sun gear axle center through hole, a dialer terminal pad axis through-hole, screens cylinder axis through-hole, a dialer and the through hole of pointer one end successively; Wherein, second layer sun gear is positioned at the 3rd layer of ladder of unmoving axle, fixes with unmoving axle; Planet carrier is positioned at the second layer ladder of unmoving axle, with the unmoving axle matched in clearance; Ground floor sun gear, a dialer terminal pad, screens cylinder, a dialer and pointer all are positioned at the ground floor ladder of unmoving axle; The ground floor sun gear is connected with unmoving axle through bearing; And can rotate along unmoving axle; One dialer terminal pad, a dialer, pointer all with the unmoving axle matched in clearance, the screens cylinder is fixed on the unmoving axle through holding screw; The pointer jacket casing is fixed on pointer on the unmoving axle at the other end of unmoving axle;
Described unmoving axle be four layers stepped, be ground floor ladder, second layer ladder, the 3rd layer of ladder, the 4th layer of ladder from top to bottom, and external diameter increases from top to down successively, be the 4th layer of ladder of unmoving axle with the base axle center fixes;
A described dialer terminal pad is a cylindrical shape, and an end is open, end sealing, and have axis through-hole in the middle of the blind end, a dialer terminal pad fixes with a dialer, ground floor sun gear simultaneously;
Described positioner comprises screens axle, screens cylinder; Whole positioner is arranged in the dialer terminal pad cylinder; And the screens axle is arranged between a dialer terminal pad and the dialer, and an end and a dialer are fixed, and the other end and a dialer terminal pad blind end fix; The screens cylinder is a cylinder, and the centre has through hole, and cylindrical sidewall is fixed with convexity, and when the angle that turns over when a dialer surpassed 360 °, the screens axle blocked the convexity on the screens cylinder;
Second layer internal gear is fixed on the three dialer support rings, and three dialer support rings are fixed on three dialers, and the ground floor internal gear is fixed on two dialers, and two dialers are arranged on ground floor planetary gear upper surface;
The cross section of described planet carrier is equilateral triangle, and the axle center of planet carrier and three angle ends all have through hole, and three axles run through the through hole of three angle ends respectively, and fixes through angle end through hole and planet carrier; The ground floor planetary gear comprises three planetary gears, and these three planetary gears are separately fixed on the axle head of three axles of planet carrier upper surface through bearing; Second layer planetary gear also comprises three planetary gears, and these three planetary gears are separately fixed on the axle head of three axles of planet carrier lower surface through bearing; Ground floor planetary gear, second layer planetary gear are meshed with ground floor internal gear, second layer internal gear respectively.
2. differential gear train multiplier according to claim 1 is characterized in that:
A described dialer is along circumferential equal angles 1～9 these nine numerals that distribute successively clockwise;
Described two dialers along circumferentially counterclockwise successively equal angles be divided into these nine zones of I～IX, each regional equal angles is distributed with nine numerals, concrete numeral size is calculated as follows:
Wherein,
expression i piece zone is along the numerical value of j numeral of counter clockwise direction; I, j are positive integer, and all less than 10;
Described three dialers are along circumferential equal angles 1～9 these nine numerals that distribute successively counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215985.0A CN102698433B (en) | 2012-06-25 | 2012-06-25 | Differential gear train multiplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215985.0A CN102698433B (en) | 2012-06-25 | 2012-06-25 | Differential gear train multiplier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102698433A true CN102698433A (en) | 2012-10-03 |
| CN102698433B CN102698433B (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210215985.0A Expired - Fee Related CN102698433B (en) | 2012-06-25 | 2012-06-25 | Differential gear train multiplier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102698433B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445867A (en) * | 1981-10-23 | 1984-05-01 | Jeffrey Fishman | Educational board game |
| CN86206291U (en) * | 1986-08-26 | 1987-09-30 | 潘福度 | Arithmetic toy for helping children's intelligence |
| CN2241367Y (en) * | 1995-06-28 | 1996-11-27 | 金善博 | Multiplication table rotary disc |
| CN202942634U (en) * | 2012-06-25 | 2013-05-22 | 杭州电子科技大学 | Mechanical multiplying unit |
-
2012
- 2012-06-25 CN CN201210215985.0A patent/CN102698433B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445867A (en) * | 1981-10-23 | 1984-05-01 | Jeffrey Fishman | Educational board game |
| CN86206291U (en) * | 1986-08-26 | 1987-09-30 | 潘福度 | Arithmetic toy for helping children's intelligence |
| CN2241367Y (en) * | 1995-06-28 | 1996-11-27 | 金善博 | Multiplication table rotary disc |
| CN202942634U (en) * | 2012-06-25 | 2013-05-22 | 杭州电子科技大学 | Mechanical multiplying unit |
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| Publication number | Publication date |
|---|---|
| CN102698433B (en) | 2014-05-28 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20160625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |