CN202942634U - Mechanical multiplying unit - Google Patents
Mechanical multiplying unit Download PDFInfo
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- CN202942634U CN202942634U CN 201220307013 CN201220307013U CN202942634U CN 202942634 U CN202942634 U CN 202942634U CN 201220307013 CN201220307013 CN 201220307013 CN 201220307013 U CN201220307013 U CN 201220307013U CN 202942634 U CN202942634 U CN 202942634U
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Abstract
The utility model discloses a mechanical multiplying unit. Existing multiplying units include card type multiplying units, abacus type multiplying units and electronic multiplying units. The multiplying units are low in cost, but the multiplying units are incapable of changing an ordinary multiplication teaching mode, and are incapable of cultivating interests of children to multiplication. The mechanical multiplying unit comprises a first layer differential gear train, a second layer planetary gear train, a planet carrier, a third plate support ring, a third plate, a second plate, a first plate connecting plate, a first plate, a clamp shaft, a clamp cylinder, a fixed shaft, a shaft, a base, a pointer and a pointer sleeve. The first layer differential gear train comprises a first layer sun gear, a first layer planet gear and a first layer internal gear. The second layer planet gear train comprises a second layer sun gear, a second layer planet gear and a second layer internal gear. The mechanical multiplying unit has the advantages of being simple in mechanical structure, low in cost, simple in operation, easy to use, and capable of arousing interests of the children to the multiplication.
Description
Technical field
The utility model belongs to mechanical intelligence development type toy technical field, relates to a kind of mechanical 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 by external tool by the computing that human brain is completed.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 allow in advance child carry on the back the multiplication table.To last, the child only numeral in the multiplication table of remembeing as 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 by card realizes multiplication.Although this is with low cost, can't change common multiplication teaching pattern, can't cultivate children to the interest of multiplication.
Abacus type multiplication toy is to improve a little to form on the basis of abacus.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 by electronic product (as computer) mounting 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 easily addicted.
Therefore, we need a cost low, and easily left-hand seat, can excite child to the multiplication toy of multiplication interest.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of mechanical multiplier is provided, a kind of multiplier that utilizes frame for movement to realize.
The technical scheme that its technical problem that solves the utility model adopts is as follows:
The utility model 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;
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 second layer sun gear axle center through hole, planet carrier axle center through hole, ground floor sun gear axle center through hole, a dialer terminal pad axis through-hole, screens cylinder axis through-hole, the axis through-hole of 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 by 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 unmoving axle by holding screw; The pointer jacket casing is fixed on pointer on 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 cylindrical shape, and an end is open, an end sealing, and have axis through-hole in the middle of blind end, a dialer terminal pad fixes with a dialer, ground floor sun gear simultaneously;
Screens axle, screens cylinder form positioner jointly, whole positioner is arranged in a dialer terminal pad cylinder, and the screens axle is arranged between a dialer terminal pad and a 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 cylinder, and the centre has through hole, and cylindrical sidewall is fixed with projection, and when the angle that turns over when a dialer surpassed 360 °, the screens axle blocked the projection on the screens cylinder;
Second layer internal gear is fixed on 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 respectively the through hole of three angle ends, and fixes by 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 by 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 by 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 I~IX these nine zones, each regional equal angles is distributed with nine numerals, concrete Digital size is calculated as follows:
a
[ij]=i×j
Wherein, a
[ij]Represent the i piece zone numerical value of j numeral in the counterclockwise 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.
The utility model beneficial effect is as follows:
(1) frame for movement is simple, and cost is low.Frame for movement only has two-layer train, and material is available plastics all, and requirement on machining accuracy is general, and required expense can be higher than other common plastics toys.
(2) simple to operate, upper quick-moving.Operate this multiplier and only need rotate a dialer and three dialers, the numeral of two dialers can be automatically brought under 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 child to the interest of multiplication, and can transfer child to the interest of machinery.Transparent plastic is all adopted in its outside, and the frame for movement of the inside is very clear, and children can by observing the frame for movement of the inside, not only strengthen the perceptual knowledge to multiplication, and also can become interested to the frame for movement of the inside.
Description of drawings
Fig. 1 is the utility model isometric drawing;
Fig. 2 is that the utility model partly cuts open front view;
Fig. 3 is the utility model complete section top view;
Fig. 4 is the utility model left view;
Fig. 5 is the utility model transmission principle schematic diagram;
Fig. 6 is the utility model one dialer array schematic diagram;
Fig. 7 is the utility model two dialer array schematic diagrames;
Fig. 8 is the utility model three dialer array schematic diagrames;
Fig. 9 is that the utility model uses schematic diagram;
Figure 10 is the utility model positioner schematic diagram.
In 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
The utility model is described in further detail below in conjunction with accompanying drawing.
Be illustrated in figure 1 as isometric drawing of the present utility model.
As shown in Figure 2, Figure 3, Figure 4, mechanical 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, 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 by 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 unmoving axle 12 by holding screw; Pointer sleeve 19 is enclosed within the other end of unmoving axle, and pointer is fixed on 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;
Described dialer 9 terminal pads are cylindrical shape, and an end is open, an end sealing, and have axis through-hole in the middle of blind end, a dialer terminal pad 8 fixes with a dialer 9, ground floor sun gear 14 simultaneously;
As shown in figure 10, screens axle 10, the common positioner that forms of screens cylinder 11, whole positioner is arranged in a dialer terminal pad cylinder, and screens axle 10 is arranged between a dialer terminal pad 8 and a dialer 9, one end and a dialer 9 are fixing, and the other end and dialer terminal pad 8 blind ends fix; Screens cylinder 11 is cylinder, and the centre has through hole, and cylindrical sidewall is fixed with projection, and when the angle that turns over when a dialer 9 surpassed 360 °, screens axle 10 blocked the projection on screens cylinder 11;
Second layer internal gear 5 is fixed on 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 respectively the through hole of three angle ends, and fixes by 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 by 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 by 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 I~IX these nine zones, each regional equal angles is distributed with nine numerals, concrete Digital size is calculated as follows:
a
[ij]=i×j
Wherein, a
[ij]Represent the i piece zone numerical value of j numeral in the counterclockwise 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.
The utility model operation principle is as follows:
As shown in Figure 5, in the ground floor differential gear train, 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 second layer planet circular system respectively, 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, whole the utility model is symmetrical about chain-dotted line, and rotate second layer internal gear 5 this moment, and ground floor internal gear 16 is rotated simultaneously, and the direction that second layer internal gear 5 and ground floor internal gear 16 turn over is all identical with angle;
If fruit second layer internal gear 5 is fixing, only have the ground floor differential gear train active in whole the utility model, and planet carrier can not rotate, if rotate ground floor sun gear 14, 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;
As shown in figure 10, described positioner is comprised of screens axle 10 and screens cylinder 11, and the purpose that its exists is in order not allow angle that a dialer 9 turns over over 360 °.
The utility model course of work is as follows:
As shown in Figure 9, at first rotate a dialer 9, the numeral that allows pointer 18 point to want on dialers 9 (this numeral is positive integer, and less than 10);
Then rotate three dialers 6, the numeral that will want is aimed at the sensing (this numeral is positive integer, and less than 10) of pointer 18 simultaneously;
At this moment, the numeral of pointer 18 two dialers 7 pointed is a dialer 9 and three dialer 6 these two products of wanting numeral.
The above-mentioned specific embodiment is used for the utility model of explaining; rather than the utility model is limited; in the protection domain of claim of the present utility model, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (1)
1. mechanical multiplier, comprise 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 second layer sun gear axle center through hole, planet carrier axle center through hole, ground floor sun gear axle center through hole, a dialer terminal pad axis through-hole, screens cylinder axis through-hole, the axis through-hole of 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 by 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 unmoving axle by holding screw; The pointer jacket casing is fixed on pointer on 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 cylindrical shape, and an end is open, an end sealing, and have axis through-hole in the middle of blind end, a dialer terminal pad fixes with a dialer, ground floor sun gear simultaneously;
Screens axle, screens cylinder form positioner jointly, whole positioner is arranged in a dialer terminal pad cylinder, and the screens axle is arranged between a dialer terminal pad and a 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 cylinder, and the centre has through hole, and cylindrical sidewall is fixed with projection, and when the angle that turns over when a dialer surpassed 360 °, the screens axle blocked the projection on the screens cylinder;
Second layer internal gear is fixed on 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 respectively the through hole of three angle ends, and fixes by 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 by 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 by bearing; Ground floor planetary gear, second layer planetary gear are meshed with ground floor internal gear, second layer internal gear respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220307013 CN202942634U (en) | 2012-06-25 | 2012-06-25 | Mechanical multiplying unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220307013 CN202942634U (en) | 2012-06-25 | 2012-06-25 | Mechanical multiplying unit |
Publications (1)
Publication Number | Publication Date |
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CN202942634U true CN202942634U (en) | 2013-05-22 |
Family
ID=48418350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220307013 Withdrawn - After Issue CN202942634U (en) | 2012-06-25 | 2012-06-25 | Mechanical multiplying unit |
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CN (1) | CN202942634U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102698433A (en) * | 2012-06-25 | 2012-10-03 | 杭州电子科技大学 | Differential gear train multiplier |
CN104330013A (en) * | 2014-09-17 | 2015-02-04 | 杭州电子科技大学 | Apparatus for measuring pressure angle of cam by using double rollers to automatically searching for normal line |
-
2012
- 2012-06-25 CN CN 201220307013 patent/CN202942634U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102698433A (en) * | 2012-06-25 | 2012-10-03 | 杭州电子科技大学 | Differential gear train multiplier |
CN102698433B (en) * | 2012-06-25 | 2014-05-28 | 杭州电子科技大学 | Differential gear train multiplier |
CN104330013A (en) * | 2014-09-17 | 2015-02-04 | 杭州电子科技大学 | Apparatus for measuring pressure angle of cam by using double rollers to automatically searching for normal line |
CN104330013B (en) * | 2014-09-17 | 2017-02-15 | 杭州电子科技大学 | Apparatus for measuring pressure angle of cam by using double rollers to automatically searching for normal line |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20140528 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20140528 |
|
RGAV | Abandon patent right to avoid regrant |