CN202468870U - Speed control system - Google Patents
Speed control system Download PDFInfo
- Publication number
- CN202468870U CN202468870U CN 201220069409 CN201220069409U CN202468870U CN 202468870 U CN202468870 U CN 202468870U CN 201220069409 CN201220069409 CN 201220069409 CN 201220069409 U CN201220069409 U CN 201220069409U CN 202468870 U CN202468870 U CN 202468870U
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- planet carrier
- driving wheel
- transmission shaft
- central gear
- speed variator
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Abstract
The utility model discloses a speed control system which comprises a driving wheel, a planetary gear mechanism and a transmission shaft, wherein the transmission shaft sequentially penetrates through the driving wheel and a central wheel; and the speed control system also comprises a gear shifting device used for regulating output rotation speed. The driving wheel is driven to rotate by acting force, the driving wheel transmit the acting force to the transmission shaft through the central wheel or a planetary carrier, and the transmission shaft outputs power. The gear shifting device is additionally arranged in the speed control system, so that the transmission mode of the driving wheel, the central wheel, the planetary carrier and the transmission shaft is regulated through the gear shifting device according to different operating needs, the output rotation speed of the transmission shaft is further regulated, more acting force is not needed to be consumed, and the labor capacity is reduced; besides, the speed control system adopts mechanical transmission mode to carry out speed regulation, the structure is simple, the operation is convenient, the stability is better, the service life is longer; and compared with the motor speed regulation, the use cost and the maintenance cost are lower.
Description
Technical field
The utility model relates to a kind of speed variator system, is specifically related to a kind of mechanical variable speed system.
Background technique
Existing bicycle mainly is to make its operation through the people for applying active force, and its speed becomes a cube ratio with the active force that human body applies, therefore; If will regulate the vehicle forward velocity, just need expend more active force, the amount of labour is bigger; And the electric bicycle that occurs on the existing market can carry out real-time speed regulating as required, but it mainly is the operation speed governing that realizes vehicle through the rotational velocity of regulating motor, the damage once motor breaks down; Electric bicycle then is difficult to normal operation; Influence the use of daily life, and the replacing and the maintenance cost of motor are higher.
And most of lathes are like drilling machine, milling machine, lathe etc., mainly be to adopt to change belt pulley and carry out speed change, and this method inconvenient operation that wastes time and energy, working efficiency is lower.
Also have a kind of mechanical variable speed device in the existing technology, be specially the dual-clutch gear-shifting speed governing, but there are serious wearing and tearing in it when gearshift and transmission, energy consumption is serious, and noise is bigger, and working life is lower.
Therefore, a kind of real-time speed regulating of realizing equipment such as vehicle or lathe, simple in structure, easy to operate, reduce the amount of labour, and the lower speed variator system of user cost is demanded occurring urgently.
The model utility content
For solving traditional vehicle mainly is the speed of regulating vehicle operating through artificial acting, and the amount of labour is bigger, and the electric motor car on the existing market adopts motor to carry out speed governing or the speed governing of employing double clutch; Serious wear, fragile, replacing and maintenance cost are all higher; Problems such as most of in addition machine adopted are changed the belt pulley speed change, and working efficiency is lower the utility model discloses a kind of speed variator system; To reach the motion speed of effectively regulating equipment such as vehicle or lathe according to concrete needs; Reduce the amount of labour, easy to operate, the purpose of minimizing user cost.
For achieving the above object, the technological scheme of the utility model is following:
A kind of speed variator system comprises drive unit, arrangements for speed regulation and output unit, and said drive unit is a driving wheel; Said arrangements for speed regulation are planetary gears, and said planetary gears comprises central gear, planet wheel, planet carrier and gear ring, and said gear ring is fixed;
Said output unit is for run through the transmission shaft of said driving wheel and said central gear successively, and said transmission shaft is provided with the link that is in transmission connection with said central gear or said planet carrier;
Said speed variator system also comprises through said driving wheel is connected the gearshift of regulating output speed with said central gear or the switching of said planet carrier.
Preferably, said link is at least one section axle external splines that is arranged on the said transmission shaft.
Preferably, said axle external splines is two sections that are distributed on the said transmission shaft, and the output terminal of said planet carrier and the input end of said central gear are provided with the internal spline that is complementary with said axle external splines, are respectively first internal spline and second internal spline; The input end of said planet carrier and the input end of said central gear are provided with external splines, are respectively first external splines and second external splines, and the output terminal of said driving wheel is provided with the driving wheel internal spline that is complementary with said external splines.
Preferably, said speed variator system also comprises the positioning means with said central gear and said planet carrier longitudinal register.
Preferably, said positioning means comprises the position limit pin that is fixedly set on the said central gear, and is positioned at the inboard inner groovy of said planet carrier input end, and said position limit pin can be along said inner groovy circumferential running.
Preferably, said gearshift comprises the push rod that is used to promote said planet carrier, and the position-limit mechanism that is used to limit said push rod stroke.
Preferably, said gear ring is provided with through hole, and said position-limit mechanism comprises the screens element that is arranged at the limited impression on the said push rod and is positioned at said through hole, and said limited impression is at least 2.
Preferably, said screens element comprises spring and steel ball.
Preferably, the front end of said push rod also is provided with shift fork, and the output terminal arranged outside of said planet carrier has outer groove, and said shift fork stretches in the said outer groove.
Preferably, said shift fork is a sector structure.
The disclosed speed variator system of the utility model comprises driving wheel, planetary gears and the transmission shaft that runs through said driving wheel and central gear successively, and said transmission shaft is provided with link; Speed variator system also comprises the gearshift that is used to regulate output speed.Make driving wheel turn round through applying active force, driving wheel is given transmission shaft through central gear or planet carrier with force transmission, and transmission shaft is exported power.Owing to added gearshift in the speed variator system, according to different operation needs, regulate the kind of drive between driving wheel, central gear, planet carrier and transmission shaft, and then regulate the output speed of transmission shaft through gearshift; Need not to consume more active force, reduced the amount of labour, and the utility model is that mechanical drive mode carries out speed governing; Simple in structure, easy to operate, stability better; Working life is longer, relative motor speed-regulating, and use and maintenance cost are lower.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the disclosed a kind of speed variator system of the utility model;
Fig. 2 is the structural representation of driving wheel in the disclosed a kind of speed variator system of the utility model;
Fig. 3 is the structural representation of central gear in the disclosed a kind of speed variator system of the utility model;
Fig. 4 is the structural representation of planet carrier in the disclosed a kind of speed variator system of the utility model;
Fig. 5 is the structural representation of transmission shaft in the disclosed a kind of speed variator system of the utility model;
Fig. 6 is the structural representation that push rod cooperates with gear ring in the disclosed a kind of speed variator system of the utility model.
The title of the numeral among the figure or the corresponding part of alphabetical representative:
1, driving wheel 2, central gear 3, planet carrier 4, planet wheel 5, gear ring 6, transmission shaft 7, push rod;
11, driving wheel internal spline;
21, second internal spline 22, second external splines 23, position limit pin;
31, first internal spline 32, first external splines 33, inner groovy 34, outer groove;
51, through hole 52, screens element 53, groove;
61, axle first external splines 62, axle second external splines;
71, shift fork 72, limited impression.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of speed variator system,, reduce the amount of labour to reach the motion speed of effectively regulating equipment such as vehicle or lathe according to concrete needs, easy to operate, the purpose of minimizing user cost.
Shown in Fig. 1-6, a kind of speed variator system comprises drive unit, arrangements for speed regulation and output unit, and drive unit is a driving wheel 1; Arrangements for speed regulation are planetary gears, and planetary gears comprises central gear 2, planet wheel 4, planet carrier 3 and gear ring 5, and gear ring 5 is fixed; The input end of planet carrier 3 is provided with the circular hole (not shown), and central gear 2 passes the output terminal of planet carrier 3, make central gear 2 stretch in the circular hole and rotational fixation on planet carrier 3, be meshed with planet wheel 4 on the planet carrier 3.
Output unit is for run through the transmission shaft 6 of driving wheel 1 and central gear 2 successively, and transmission shaft 6 is provided with the link that is in transmission connection with central gear 2 or planet carrier 3;
Speed variator system also comprises through driving wheel is connected the gearshift of regulating output speed with central gear or planet carrier switching.
Make driving wheel 1 running through applying active force, driving wheel 1 is given transmission shaft 6 through central gear 2 or planet carrier 3 with force transmission, and transmission shaft 6 is exported power.Owing to added gearshift in the speed variator system, according to different operation needs, regulate the kind of drive between driving wheel, central gear, planet carrier and transmission shaft, and then regulate the output speed of transmission shaft through gearshift; Need not to consume more active force, reduced the amount of labour, and the utility model is that mechanical drive mode carries out speed governing; Simple in structure, easy to operate, stability better; Working life is longer, relative motor speed-regulating, and use and maintenance cost are lower.
Link is at least one section axle external splines that is arranged on the transmission shaft 6; The axle external splines is two sections that are distributed on the transmission shaft 6; Be respectively axle first external splines 61 that is positioned at driving wheel 1 one sides and axle second external splines 62 that is positioned at planet carrier 3 one sides; The input end of the output terminal of planet carrier 3 and central gear 2 is provided with the internal spline that is complementary with the axle external splines, is respectively first internal spline 31 and second internal spline 21; The input end of the input end of planet carrier 3 and central gear 2 is provided with external splines, is respectively first external splines 32 and second external splines 22, and the output terminal of driving wheel 1 is provided with the driving wheel internal spline 11 that is complementary with external splines.
The one or both ends of transmission shaft are provided with the output spline, are connected with equipment through the output spline, and power is exported.
Speed variator system also comprises the positioning means of central gear 2 with planet carrier 3 longitudinal registers.Positioning means comprises the position limit pin 23 that is fixedly set on the central gear 2, and is positioned at the inboard inner groovy 33 of planet carrier 3 input ends, and position limit pin 23 can be along inner groovy 33 circumferential runnings.Central gear 2 stretches in the circular hole of planet carrier.Through position limit pin and inner groovy mating reaction are set; In the vertical central gear and planet carrier are effectively located on the one hand; Can make central gear with the vertically moving and move of planet carrier, on the other hand, because the rotational velocity of central gear and planet carrier is inconsistent; To guarantee the two normal operation in a circumferential direction, do not produce mutual interference.
In addition, except that on central gear, being provided with position limit pin positions, also can catch be set on central gear and position; Catch can be sector structure; And concentric with inner groovy, to guarantee the normal operation between central gear and planet carrier, the structural type of positioning means does not limit at this.
Gearshift comprises the push rod 7 that is used to promote planet carrier 3, and the position-limit mechanism that is used to limit push rod 7 strokes.Gear ring 5 is provided with through hole 51, and position-limit mechanism comprises limited impression 72 that is arranged on the push rod 7 and the screens element 52 that is positioned at through hole 51, is provided with groove 53 with the through hole corresponding position on the gear ring, and screens element 52 is fixedly set in the groove.Limited impression 72 is at least 2.Through the effect of cooperatively interacting of limited impression and screens element, push rod is carried out the qualification of different strokes, realize that the gearshift of planet carrier and central gear is moved, through being set, the screens element make operator can clearly understand gear, so that operation.Screens element 52 comprises spring and steel ball.Through to the compression of spring and reset and realize the effect of screens gearshift.Wherein also can the convex edge that be complementary with limited impression be set on gear ring directly, the edge of convex edge is an arc, is convenient to the clamping and the disengaging of limited impression, is convenient to gear shift operation.
The front end of push rod 7 also is provided with shift fork 71, and the output terminal arranged outside of planet carrier 3 has outer groove 34, and shift fork 71 stretches in the outer groove 34.Through shift fork being stretched in the outer groove 34; It is fixing to make push rod and planet carrier vertically go up; Planet carrier and central gear can be with the vertically moving and move of push rod, and shift fork is sector structure, and do not have interference on the circumferencial direction of planet carrier; The circumference that can not influence planet carrier rotates, and guarantees the normal operation of planet carrier.
Embodiment 1
The axle external splines is axle second external splines 62 that is arranged at planet carrier one end, and the limited impression 72 on the push rod is 2, and its concrete working principle is following:
One grade: screens element 52 and previous limited impression 72 clampings of push rod; Driving wheel internal spline 11 is meshed with second external splines 22 on the central gear 2, and central gear 2 is vertically gone up relative fixed with planet carrier 3, first internal spline 31 of planet carrier output terminal and 62 engagements of axle second external splines; Applied external force drives driving wheel 1 running; Driving wheel 1 will rotate through central gear 2-planet wheel 4-planet carrier 3 and transmit successively, and planet carrier 3 passes to transmission shaft 6 with rotation at last, and transmission shaft 6 is exported power.
Second gear: push rod 7 promotes planet carrier 3 and moves to the direction of driving wheel 1 with central gear 2; One limited impression 72 clampings behind screens element 52 and the push rod, second external splines 22 breaks away from driving wheel internal spline 11, and first external splines 32 of planet carrier 3 is meshed with driving wheel internal spline 11; Central gear 2 is vertically gone up relative fixed with planet carrier 3; Because axle second external splines 62 long enoughs, after push rod 7 promotion planet carriers moved, first internal spline 31 of planet carrier output terminal still meshed with axle second external splines 62; Applied external force drives driving wheel 1 running; Driving wheel 1 is directly passed to planet carrier 3 with rotation, and last planet carrier 3 passes to transmission shaft 6 with rotation, and transmission shaft 6 is exported power.
This embodiment has realized the replacing of two gears, and the instant speed change when being convenient to vehicle driving or effectively adjust the rotating speed of other equipment such as conversion lathe need not to consume more active force, has reduced the amount of labour.
Embodiment 2
All the other are identical with embodiment 1; Difference is that the axle external splines is two sections that are distributed on the transmission shaft 6, is respectively axle first external splines 61 that is positioned at driving wheel 1 one sides and axle second external splines 62 that is positioned at planet carrier 3 one sides; Limited impression 72 on the push rod 7 is 3, and its concrete working principle is following:
One grade: screens element 52 and previous limited impression 72 clampings of push rod; Driving wheel internal spline 11 is meshed with second external splines 22 on the central gear 2, and central gear 2 is vertically gone up relative fixed with planet carrier 3, first internal spline 31 of planet carrier output terminal and 62 engagements of axle second external splines; Applied external force drives driving wheel 1 running; Driving wheel 1 will rotate through central gear 2-planet wheel 4-planet carrier 3 and transmit successively, and planet carrier 3 passes to transmission shaft 6 with rotation at last, and transmission shaft 6 is exported power.
Second gear: push rod 7 promotes planet carrier 3 and moves to the direction of driving wheel 1 with central gear 2; Screens element 52 breaks away from driving wheel internal spline 11 with middle limited impression 72 clampings of push rod, second external splines 22 on the central gear, and first external splines 32 of planet carrier 3 is meshed with driving wheel internal spline 11; Central gear 2 is vertically gone up relative fixed with planet carrier 3; Because axle second external splines 62 long enoughs, after push rod 7 promotion planet carriers moved, first internal spline 31 of planet carrier output terminal still meshed with axle second external splines 62; Applied external force drives driving wheel 1 running; Driving wheel 1 is directly passed to planet carrier 3 with rotation, and last planet carrier 3 passes to transmission shaft 6 with rotation, and transmission shaft 6 is exported power.
Third gear: push rod 7 promotes planet carrier 3 to be continued to move with the direction of central gear 2 to driving wheel 1; Limited impression 72 clampings behind screens element 52 and the push rod, at this moment, first internal spline 31 of planet carrier breaks away from axle second external splines 62; Second internal spline 21 of central gear is meshed with axle first external splines 61; First external splines 32 of planet carrier is meshed with driving wheel internal spline 11, and central gear 2 is vertically gone up relative fixed with planet carrier 3, and applied external force drives driving wheel 1 running; Driving wheel 1 is directly passed to planet carrier 3 with rotation; Planet carrier passes to planet wheel 31-central gear 2 successively with power, and last central gear 2 passes to transmission shaft 6 with rotation, and transmission shaft 6 is exported power.
This embodiment has realized the replacing of three gears, and the instant speed change when being convenient to vehicle driving or effectively adjust the rotating speed of other equipment such as conversion lathe need not to consume more active force, has reduced the amount of labour.
All there is chamfering in the splined end that above embodiment mentions, and the incision of being convenient to spline connects, and the two ends of transmission shaft all can be exported.
Locate to adopt between transmission shaft, driving wheel, central gear and the planet carrier outside the spline fixed connection, also can adopt gear connection etc., concrete Placement does not limit.
The disclosed speed variator system of the utility model comprises driving wheel, planetary gears and the transmission shaft that runs through said driving wheel and central gear successively, and said transmission shaft is provided with link; Speed variator system also comprises the gearshift that is used to regulate output speed.Make driving wheel turn round through applying active force, driving wheel is given transmission shaft through central gear or planet carrier with force transmission, and transmission shaft is exported power.Owing to added gearshift in the speed variator system, according to different operation needs, regulate the kind of drive between driving wheel, central gear, planet carrier and transmission shaft, and then regulate the output speed of transmission shaft through gearshift; Need not to consume more active force, reduced the amount of labour, and the utility model is that mechanical drive mode carries out speed governing; Simple in structure, easy to operate, stability better; Working life is longer, relative motor speed-regulating, and use and maintenance cost are lower.
More than be description,, make related domain professional and technical personnel can realize or use the utility model through above-mentioned explanation to the disclosed embodiments to the utility model embodiment.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a speed variator system is characterized in that, comprises drive unit, arrangements for speed regulation and output unit, and said drive unit is a driving wheel; Said arrangements for speed regulation are planetary gears, and said planetary gears comprises central gear, planet wheel, planet carrier and gear ring, and said gear ring is fixed;
Said output unit is for run through the transmission shaft of said driving wheel and said central gear successively, and said transmission shaft is provided with the link that is in transmission connection with said central gear or said planet carrier;
Said speed variator system also comprises through said driving wheel is connected the gearshift of regulating output speed with said central gear or the switching of said planet carrier.
2. speed variator system according to claim 1 is characterized in that, said link is at least one section axle external splines that is arranged on the said transmission shaft.
3. speed variator system according to claim 2; It is characterized in that; Said axle external splines is two sections that are distributed on the said transmission shaft; The output terminal of said planet carrier and the input end of said central gear are provided with the internal spline that is complementary with said axle external splines, are respectively first internal spline and second internal spline; The input end of said planet carrier and the input end of said central gear are provided with external splines, are respectively first external splines and second external splines, and the output terminal of said driving wheel is provided with the driving wheel internal spline that is complementary with said external splines.
4. according to each described speed variator system of claim 1-3, it is characterized in that said speed variator system also comprises the positioning means with said central gear and said planet carrier longitudinal register.
5. speed variator system according to claim 4; It is characterized in that; Said positioning means comprises the position limit pin that is fixedly set on the said central gear, and is positioned at the inboard inner groovy of said planet carrier input end, and said position limit pin can be along said inner groovy circumferential running.
6. speed variator system according to claim 5 is characterized in that said gearshift comprises the push rod that is used to promote said planet carrier, and the position-limit mechanism that is used to limit said push rod stroke.
7. speed variator system according to claim 6 is characterized in that said gear ring is provided with through hole, and said position-limit mechanism comprises the screens element that is arranged at the limited impression on the said push rod and is positioned at said through hole, and said limited impression is at least 2.
8. speed variator system according to claim 7 is characterized in that, said screens element comprises spring and steel ball.
9. speed variator system according to claim 8 is characterized in that the front end of said push rod also is provided with shift fork, and the output terminal arranged outside of said planet carrier has outer groove, and said shift fork stretches in the said outer groove.
10. speed variator system according to claim 9 is characterized in that, said shift fork is a sector structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220069409 CN202468870U (en) | 2012-02-29 | 2012-02-29 | Speed control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220069409 CN202468870U (en) | 2012-02-29 | 2012-02-29 | Speed control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468870U true CN202468870U (en) | 2012-10-03 |
Family
ID=46917029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220069409 Withdrawn - After Issue CN202468870U (en) | 2012-02-29 | 2012-02-29 | Speed control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797808A (en) * | 2012-02-29 | 2012-11-28 | 张家港市九鼎机械有限公司 | Speed control system |
-
2012
- 2012-02-29 CN CN 201220069409 patent/CN202468870U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797808A (en) * | 2012-02-29 | 2012-11-28 | 张家港市九鼎机械有限公司 | Speed control system |
| CN102797808B (en) * | 2012-02-29 | 2013-09-11 | 张家港市九鼎机械有限公司 | Speed control system |
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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: 20121003 Effective date of abandoning: 20130911 |
|
| RGAV | Abandon patent right to avoid regrant |